diff options
Diffstat (limited to 'src/imgui/imgui_internal.h')
| -rw-r--r-- | src/imgui/imgui_internal.h | 1448 |
1 files changed, 1034 insertions, 414 deletions
diff --git a/src/imgui/imgui_internal.h b/src/imgui/imgui_internal.h index bac04ae6a..5de13c365 100644 --- a/src/imgui/imgui_internal.h +++ b/src/imgui/imgui_internal.h @@ -1,4 +1,4 @@ -// dear imgui, v1.66 WIP +// dear imgui, v1.75 // (internal structures/api) // You may use this file to debug, understand or extend ImGui features but we don't provide any guarantee of forward compatibility! @@ -6,69 +6,120 @@ // #define IMGUI_DEFINE_MATH_OPERATORS // To implement maths operators for ImVec2 (disabled by default to not collide with using IM_VEC2_CLASS_EXTRA along with your own math types+operators) +/* + +Index of this file: +// Header mess +// Forward declarations +// STB libraries includes +// Context pointer +// Generic helpers +// Misc data structures +// Main imgui context +// Tab bar, tab item +// Internal API + +*/ + #pragma once +#ifndef IMGUI_DISABLE + +//----------------------------------------------------------------------------- +// Header mess +//----------------------------------------------------------------------------- #ifndef IMGUI_VERSION #error Must include imgui.h before imgui_internal.h #endif -#include <stdio.h> // FILE* +#include <stdio.h> // FILE*, sscanf #include <stdlib.h> // NULL, malloc, free, qsort, atoi, atof #include <math.h> // sqrtf, fabsf, fmodf, powf, floorf, ceilf, cosf, sinf #include <limits.h> // INT_MIN, INT_MAX +// Visual Studio warnings #ifdef _MSC_VER #pragma warning (push) #pragma warning (disable: 4251) // class 'xxx' needs to have dll-interface to be used by clients of struct 'xxx' // when IMGUI_API is set to__declspec(dllexport) #endif -#ifdef __clang__ +// Clang/GCC warnings with -Weverything +#if defined(__clang__) #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wunused-function" // for stb_textedit.h #pragma clang diagnostic ignored "-Wmissing-prototypes" // for stb_textedit.h #pragma clang diagnostic ignored "-Wold-style-cast" +#if __has_warning("-Wzero-as-null-pointer-constant") +#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" +#endif +#if __has_warning("-Wdouble-promotion") +#pragma clang diagnostic ignored "-Wdouble-promotion" +#endif +#elif defined(__GNUC__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind +#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead +#endif + +// Legacy defines +#ifdef IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS // Renamed in 1.74 +#error Use IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS +#endif +#ifdef IMGUI_DISABLE_MATH_FUNCTIONS // Renamed in 1.74 +#error Use IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS #endif //----------------------------------------------------------------------------- -// Forward Declarations +// Forward declarations //----------------------------------------------------------------------------- +struct ImBoolVector; // Store 1-bit per value struct ImRect; // An axis-aligned rectangle (2 points) struct ImDrawDataBuilder; // Helper to build a ImDrawData instance struct ImDrawListSharedData; // Data shared between all ImDrawList instances struct ImGuiColorMod; // Stacked color modifier, backup of modified data so we can restore it struct ImGuiColumnData; // Storage data for a single column -struct ImGuiColumnsSet; // Storage data for a columns set -struct ImGuiContext; // Main imgui context +struct ImGuiColumns; // Storage data for a columns set +struct ImGuiContext; // Main Dear ImGui context +struct ImGuiDataTypeInfo; // Type information associated to a ImGuiDataType enum struct ImGuiGroupData; // Stacked storage data for BeginGroup()/EndGroup() struct ImGuiInputTextState; // Internal state of the currently focused/edited text input box struct ImGuiItemHoveredDataBackup; // Backup and restore IsItemHovered() internal data struct ImGuiMenuColumns; // Simple column measurement, currently used for MenuItem() only struct ImGuiNavMoveResult; // Result of a directional navigation move query result -struct ImGuiNextWindowData; // Storage for SetNexWindow** functions -struct ImGuiPopupRef; // Storage for current popup stack +struct ImGuiNextWindowData; // Storage for SetNextWindow** functions +struct ImGuiNextItemData; // Storage for SetNextItem** functions +struct ImGuiPopupData; // Storage for current popup stack struct ImGuiSettingsHandler; // Storage for one type registered in the .ini file struct ImGuiStyleMod; // Stacked style modifier, backup of modified data so we can restore it +struct ImGuiTabBar; // Storage for a tab bar +struct ImGuiTabItem; // Storage for a tab item (within a tab bar) struct ImGuiWindow; // Storage for one window struct ImGuiWindowTempData; // Temporary storage for one window (that's the data which in theory we could ditch at the end of the frame) -struct ImGuiWindowSettings; // Storage for window settings stored in .ini file (we keep one of those even if the actual window wasn't instanced during this session) +struct ImGuiWindowSettings; // Storage for a window .ini settings (we keep one of those even if the actual window wasn't instanced during this session) // Use your programming IDE "Go to definition" facility on the names of the center columns to find the actual flags/enum lists. -typedef int ImGuiLayoutType; // -> enum ImGuiLayoutType_ // Enum: Horizontal or vertical -typedef int ImGuiButtonFlags; // -> enum ImGuiButtonFlags_ // Flags: for ButtonEx(), ButtonBehavior() -typedef int ImGuiItemFlags; // -> enum ImGuiItemFlags_ // Flags: for PushItemFlag() -typedef int ImGuiItemStatusFlags; // -> enum ImGuiItemStatusFlags_ // Flags: for DC.LastItemStatusFlags -typedef int ImGuiNavHighlightFlags; // -> enum ImGuiNavHighlightFlags_ // Flags: for RenderNavHighlight() -typedef int ImGuiNavDirSourceFlags; // -> enum ImGuiNavDirSourceFlags_ // Flags: for GetNavInputAmount2d() -typedef int ImGuiNavMoveFlags; // -> enum ImGuiNavMoveFlags_ // Flags: for navigation requests -typedef int ImGuiSeparatorFlags; // -> enum ImGuiSeparatorFlags_ // Flags: for Separator() - internal -typedef int ImGuiSliderFlags; // -> enum ImGuiSliderFlags_ // Flags: for SliderBehavior() +typedef int ImGuiLayoutType; // -> enum ImGuiLayoutType_ // Enum: Horizontal or vertical +typedef int ImGuiButtonFlags; // -> enum ImGuiButtonFlags_ // Flags: for ButtonEx(), ButtonBehavior() +typedef int ImGuiColumnsFlags; // -> enum ImGuiColumnsFlags_ // Flags: BeginColumns() +typedef int ImGuiDragFlags; // -> enum ImGuiDragFlags_ // Flags: for DragBehavior() +typedef int ImGuiItemFlags; // -> enum ImGuiItemFlags_ // Flags: for PushItemFlag() +typedef int ImGuiItemStatusFlags; // -> enum ImGuiItemStatusFlags_ // Flags: for DC.LastItemStatusFlags +typedef int ImGuiNavHighlightFlags; // -> enum ImGuiNavHighlightFlags_ // Flags: for RenderNavHighlight() +typedef int ImGuiNavDirSourceFlags; // -> enum ImGuiNavDirSourceFlags_ // Flags: for GetNavInputAmount2d() +typedef int ImGuiNavMoveFlags; // -> enum ImGuiNavMoveFlags_ // Flags: for navigation requests +typedef int ImGuiNextItemDataFlags; // -> enum ImGuiNextItemDataFlags_ // Flags: for SetNextItemXXX() functions +typedef int ImGuiNextWindowDataFlags; // -> enum ImGuiNextWindowDataFlags_// Flags: for SetNextWindowXXX() functions +typedef int ImGuiSeparatorFlags; // -> enum ImGuiSeparatorFlags_ // Flags: for SeparatorEx() +typedef int ImGuiSliderFlags; // -> enum ImGuiSliderFlags_ // Flags: for SliderBehavior() +typedef int ImGuiTextFlags; // -> enum ImGuiTextFlags_ // Flags: for TextEx() +typedef int ImGuiTooltipFlags; // -> enum ImGuiTooltipFlags_ // Flags: for BeginTooltipEx() //------------------------------------------------------------------------- -// STB libraries +// STB libraries includes //------------------------------------------------------------------------- -namespace ImGuiStb +namespace ImStb { #undef STB_TEXTEDIT_STRING @@ -76,31 +127,63 @@ namespace ImGuiStb #define STB_TEXTEDIT_STRING ImGuiInputTextState #define STB_TEXTEDIT_CHARTYPE ImWchar #define STB_TEXTEDIT_GETWIDTH_NEWLINE -1.0f +#define STB_TEXTEDIT_UNDOSTATECOUNT 99 +#define STB_TEXTEDIT_UNDOCHARCOUNT 999 #include "imstb_textedit.h" -} // namespace ImGuiStb +} // namespace ImStb //----------------------------------------------------------------------------- -// Context +// Context pointer //----------------------------------------------------------------------------- #ifndef GImGui -extern IMGUI_API ImGuiContext* GImGui; // Current implicit ImGui context pointer +extern IMGUI_API ImGuiContext* GImGui; // Current implicit context pointer #endif //----------------------------------------------------------------------------- -// Helpers +// Macros //----------------------------------------------------------------------------- -#define IM_PI 3.14159265358979323846f +// Debug Logging +#ifndef IMGUI_DEBUG_LOG +#define IMGUI_DEBUG_LOG(_FMT,...) printf("[%05d] " _FMT, GImGui->FrameCount, __VA_ARGS__) +#endif + +// Static Asserts +#if (__cplusplus >= 201100) +#define IM_STATIC_ASSERT(_COND) static_assert(_COND, "") +#else +#define IM_STATIC_ASSERT(_COND) typedef char static_assertion_##__line__[(_COND)?1:-1] +#endif + +// "Paranoid" Debug Asserts are meant to only be enabled during specific debugging/work, otherwise would slow down the code too much. +// We currently don't have many of those so the effect is currently negligible, but onward intent to add more aggressive ones in the code. +//#define IMGUI_DEBUG_PARANOID +#ifdef IMGUI_DEBUG_PARANOID +#define IM_ASSERT_PARANOID(_EXPR) IM_ASSERT(_EXPR) +#else +#define IM_ASSERT_PARANOID(_EXPR) +#endif + +// Error handling +// Down the line in some frameworks/languages we would like to have a way to redirect those to the programmer and recover from more faults. +#ifndef IM_ASSERT_USER_ERROR +#define IM_ASSERT_USER_ERROR(_EXP,_MSG) IM_ASSERT((_EXP) && _MSG) // Recoverable User Error +#endif + +// Misc Macros +#define IM_PI 3.14159265358979323846f #ifdef _WIN32 -#define IM_NEWLINE "\r\n" // Play it nice with Windows users (2018/05 news: Microsoft announced that Notepad will finally display Unix-style carriage returns!) +#define IM_NEWLINE "\r\n" // Play it nice with Windows users (Update: since 2018-05, Notepad finally appears to support Unix-style carriage returns!) #else -#define IM_NEWLINE "\n" +#define IM_NEWLINE "\n" #endif -#define IM_STATIC_ASSERT(_COND) typedef char static_assertion_##__line__[(_COND)?1:-1] +#define IM_TABSIZE (4) #define IM_F32_TO_INT8_UNBOUND(_VAL) ((int)((_VAL) * 255.0f + ((_VAL)>=0 ? 0.5f : -0.5f))) // Unsaturated, for display purpose #define IM_F32_TO_INT8_SAT(_VAL) ((int)(ImSaturate(_VAL) * 255.0f + 0.5f)) // Saturated, always output 0..255 +#define IM_FLOOR(_VAL) ((float)(int)(_VAL)) // ImFloor() is not inlined in MSVC debug builds +#define IM_ROUND(_VAL) ((float)(int)((_VAL) + 0.5f)) // // Enforce cdecl calling convention for functions called by the standard library, in case compilation settings changed the default to e.g. __vectorcall #ifdef _MSC_VER @@ -109,48 +192,64 @@ extern IMGUI_API ImGuiContext* GImGui; // Current implicit ImGui context pointe #define IMGUI_CDECL #endif -// Helpers: UTF-8 <> wchar -IMGUI_API int ImTextStrToUtf8(char* buf, int buf_size, const ImWchar* in_text, const ImWchar* in_text_end); // return output UTF-8 bytes count -IMGUI_API int ImTextCharFromUtf8(unsigned int* out_char, const char* in_text, const char* in_text_end); // read one character. return input UTF-8 bytes count -IMGUI_API int ImTextStrFromUtf8(ImWchar* buf, int buf_size, const char* in_text, const char* in_text_end, const char** in_remaining = NULL); // return input UTF-8 bytes count -IMGUI_API int ImTextCountCharsFromUtf8(const char* in_text, const char* in_text_end); // return number of UTF-8 code-points (NOT bytes count) -IMGUI_API int ImTextCountUtf8BytesFromChar(const char* in_text, const char* in_text_end); // return number of bytes to express one char in UTF-8 -IMGUI_API int ImTextCountUtf8BytesFromStr(const ImWchar* in_text, const ImWchar* in_text_end); // return number of bytes to express string in UTF-8 +//----------------------------------------------------------------------------- +// Generic helpers +// Note that the ImXXX helpers functions are lower-level than ImGui functions. +// ImGui functions or the ImGui context are never called/used from other ImXXX functions. +//----------------------------------------------------------------------------- +// - Helpers: Misc +// - Helpers: Bit manipulation +// - Helpers: String, Formatting +// - Helpers: UTF-8 <> wchar conversions +// - Helpers: ImVec2/ImVec4 operators +// - Helpers: Maths +// - Helpers: Geometry +// - Helper: ImBoolVector +// - Helper: ImPool<> +// - Helper: ImChunkStream<> +//----------------------------------------------------------------------------- // Helpers: Misc -IMGUI_API ImU32 ImHash(const void* data, int data_size, ImU32 seed = 0); // Pass data_size==0 for zero-terminated strings -IMGUI_API void* ImFileLoadToMemory(const char* filename, const char* file_open_mode, size_t* out_file_size = NULL, int padding_bytes = 0); -IMGUI_API FILE* ImFileOpen(const char* filename, const char* file_open_mode); -static inline bool ImCharIsBlankA(char c) { return c == ' ' || c == '\t'; } -static inline bool ImCharIsBlankW(unsigned int c) { return c == ' ' || c == '\t' || c == 0x3000; } -static inline bool ImIsPowerOfTwo(int v) { return v != 0 && (v & (v - 1)) == 0; } -static inline int ImUpperPowerOfTwo(int v) { v--; v |= v >> 1; v |= v >> 2; v |= v >> 4; v |= v >> 8; v |= v >> 16; v++; return v; } #define ImQsort qsort +IMGUI_API ImU32 ImHashData(const void* data, size_t data_size, ImU32 seed = 0); +IMGUI_API ImU32 ImHashStr(const char* data, size_t data_size = 0, ImU32 seed = 0); +#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS +static inline ImU32 ImHash(const void* data, int size, ImU32 seed = 0) { return size ? ImHashData(data, (size_t)size, seed) : ImHashStr((const char*)data, 0, seed); } // [moved to ImHashStr/ImHashData in 1.68] +#endif -// Helpers: Geometry -IMGUI_API ImVec2 ImLineClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& p); -IMGUI_API bool ImTriangleContainsPoint(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p); -IMGUI_API ImVec2 ImTriangleClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p); -IMGUI_API void ImTriangleBarycentricCoords(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p, float& out_u, float& out_v, float& out_w); -IMGUI_API ImGuiDir ImGetDirQuadrantFromDelta(float dx, float dy); +// Helpers: Bit manipulation +static inline bool ImIsPowerOfTwo(int v) { return v != 0 && (v & (v - 1)) == 0; } +static inline int ImUpperPowerOfTwo(int v) { v--; v |= v >> 1; v |= v >> 2; v |= v >> 4; v |= v >> 8; v |= v >> 16; v++; return v; } -// Helpers: String +// Helpers: String, Formatting IMGUI_API int ImStricmp(const char* str1, const char* str2); IMGUI_API int ImStrnicmp(const char* str1, const char* str2, size_t count); IMGUI_API void ImStrncpy(char* dst, const char* src, size_t count); IMGUI_API char* ImStrdup(const char* str); +IMGUI_API char* ImStrdupcpy(char* dst, size_t* p_dst_size, const char* str); IMGUI_API const char* ImStrchrRange(const char* str_begin, const char* str_end, char c); IMGUI_API int ImStrlenW(const ImWchar* str); IMGUI_API const char* ImStreolRange(const char* str, const char* str_end); // End end-of-line IMGUI_API const ImWchar*ImStrbolW(const ImWchar* buf_mid_line, const ImWchar* buf_begin); // Find beginning-of-line IMGUI_API const char* ImStristr(const char* haystack, const char* haystack_end, const char* needle, const char* needle_end); IMGUI_API void ImStrTrimBlanks(char* str); +IMGUI_API const char* ImStrSkipBlank(const char* str); IMGUI_API int ImFormatString(char* buf, size_t buf_size, const char* fmt, ...) IM_FMTARGS(3); IMGUI_API int ImFormatStringV(char* buf, size_t buf_size, const char* fmt, va_list args) IM_FMTLIST(3); IMGUI_API const char* ImParseFormatFindStart(const char* format); IMGUI_API const char* ImParseFormatFindEnd(const char* format); -IMGUI_API const char* ImParseFormatTrimDecorations(const char* format, char* buf, int buf_size); +IMGUI_API const char* ImParseFormatTrimDecorations(const char* format, char* buf, size_t buf_size); IMGUI_API int ImParseFormatPrecision(const char* format, int default_value); +static inline bool ImCharIsBlankA(char c) { return c == ' ' || c == '\t'; } +static inline bool ImCharIsBlankW(unsigned int c) { return c == ' ' || c == '\t' || c == 0x3000; } + +// Helpers: UTF-8 <> wchar conversions +IMGUI_API int ImTextStrToUtf8(char* buf, int buf_size, const ImWchar* in_text, const ImWchar* in_text_end); // return output UTF-8 bytes count +IMGUI_API int ImTextCharFromUtf8(unsigned int* out_char, const char* in_text, const char* in_text_end); // read one character. return input UTF-8 bytes count +IMGUI_API int ImTextStrFromUtf8(ImWchar* buf, int buf_size, const char* in_text, const char* in_text_end, const char** in_remaining = NULL); // return input UTF-8 bytes count +IMGUI_API int ImTextCountCharsFromUtf8(const char* in_text, const char* in_text_end); // return number of UTF-8 code-points (NOT bytes count) +IMGUI_API int ImTextCountUtf8BytesFromChar(const char* in_text, const char* in_text_end); // return number of bytes to express one char in UTF-8 +IMGUI_API int ImTextCountUtf8BytesFromStr(const ImWchar* in_text, const ImWchar* in_text_end); // return number of bytes to express string in UTF-8 // Helpers: ImVec2/ImVec4 operators // We are keeping those disabled by default so they don't leak in user space, to allow user enabling implicit cast operators between ImVec2 and their own types (using IM_VEC2_CLASS_EXTRA etc.) @@ -171,29 +270,54 @@ static inline ImVec4 operator-(const ImVec4& lhs, const ImVec4& rhs) static inline ImVec4 operator*(const ImVec4& lhs, const ImVec4& rhs) { return ImVec4(lhs.x*rhs.x, lhs.y*rhs.y, lhs.z*rhs.z, lhs.w*rhs.w); } #endif +// Helpers: File System +#ifdef IMGUI_DISABLE_FILE_FUNCTIONS +#define IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS +typedef void* ImFileHandle; +static inline ImFileHandle ImFileOpen(const char*, const char*) { return NULL; } +static inline bool ImFileClose(ImFileHandle) { return false; } +static inline ImU64 ImFileGetSize(ImFileHandle) { return (ImU64)-1; } +static inline ImU64 ImFileRead(void*, ImU64, ImU64, ImFileHandle) { return 0; } +static inline ImU64 ImFileWrite(const void*, ImU64, ImU64, ImFileHandle) { return 0; } +#endif + +#ifndef IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS +typedef FILE* ImFileHandle; +IMGUI_API ImFileHandle ImFileOpen(const char* filename, const char* mode); +IMGUI_API bool ImFileClose(ImFileHandle file); +IMGUI_API ImU64 ImFileGetSize(ImFileHandle file); +IMGUI_API ImU64 ImFileRead(void* data, ImU64 size, ImU64 count, ImFileHandle file); +IMGUI_API ImU64 ImFileWrite(const void* data, ImU64 size, ImU64 count, ImFileHandle file); +#else +#define IMGUI_DISABLE_TTY_FUNCTIONS // Can't use stdout, fflush if we are not using default file functions +#endif +IMGUI_API void* ImFileLoadToMemory(const char* filename, const char* mode, size_t* out_file_size = NULL, int padding_bytes = 0); + // Helpers: Maths // - Wrapper for standard libs functions. (Note that imgui_demo.cpp does _not_ use them to keep the code easy to copy) -#ifndef IMGUI_DISABLE_MATH_FUNCTIONS -static inline float ImFabs(float x) { return fabsf(x); } -static inline float ImSqrt(float x) { return sqrtf(x); } -static inline float ImPow(float x, float y) { return powf(x, y); } -static inline double ImPow(double x, double y) { return pow(x, y); } -static inline float ImFmod(float x, float y) { return fmodf(x, y); } -static inline double ImFmod(double x, double y) { return fmod(x, y); } -static inline float ImCos(float x) { return cosf(x); } -static inline float ImSin(float x) { return sinf(x); } -static inline float ImAcos(float x) { return acosf(x); } -static inline float ImAtan2(float y, float x) { return atan2f(y, x); } -static inline double ImAtof(const char* s) { return atof(s); } -static inline float ImFloorStd(float x) { return floorf(x); } // we already uses our own ImFloor() { return (float)(int)v } internally so the standard one wrapper is named differently (it's used by stb_truetype) -static inline float ImCeil(float x) { return ceilf(x); } +#ifndef IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS +#define ImFabs(X) fabsf(X) +#define ImSqrt(X) sqrtf(X) +#define ImFmod(X, Y) fmodf((X), (Y)) +#define ImCos(X) cosf(X) +#define ImSin(X) sinf(X) +#define ImAcos(X) acosf(X) +#define ImAtan2(Y, X) atan2f((Y), (X)) +#define ImAtof(STR) atof(STR) +#define ImFloorStd(X) floorf(X) // We already uses our own ImFloor() { return (float)(int)v } internally so the standard one wrapper is named differently (it's used by e.g. stb_truetype) +#define ImCeil(X) ceilf(X) +static inline float ImPow(float x, float y) { return powf(x, y); } // DragBehaviorT/SliderBehaviorT uses ImPow with either float/double and need the precision +static inline double ImPow(double x, double y) { return pow(x, y); } #endif -// - ImMin/ImMax/ImClamp/ImLerp/ImSwap are used by widgets which support for variety of types: signed/unsigned int/long long float/double, using templates here but we could also redefine them 6 times +// - ImMin/ImMax/ImClamp/ImLerp/ImSwap are used by widgets which support variety of types: signed/unsigned int/long long float/double +// (Exceptionally using templates here but we could also redefine them for those types) template<typename T> static inline T ImMin(T lhs, T rhs) { return lhs < rhs ? lhs : rhs; } template<typename T> static inline T ImMax(T lhs, T rhs) { return lhs >= rhs ? lhs : rhs; } template<typename T> static inline T ImClamp(T v, T mn, T mx) { return (v < mn) ? mn : (v > mx) ? mx : v; } template<typename T> static inline T ImLerp(T a, T b, float t) { return (T)(a + (b - a) * t); } template<typename T> static inline void ImSwap(T& a, T& b) { T tmp = a; a = b; b = tmp; } +template<typename T> static inline T ImAddClampOverflow(T a, T b, T mn, T mx) { if (b < 0 && (a < mn - b)) return mn; if (b > 0 && (a > mx - b)) return mx; return a + b; } +template<typename T> static inline T ImSubClampOverflow(T a, T b, T mn, T mx) { if (b > 0 && (a < mn + b)) return mn; if (b < 0 && (a > mx + b)) return mx; return a - b; } // - Misc maths helpers static inline ImVec2 ImMin(const ImVec2& lhs, const ImVec2& rhs) { return ImVec2(lhs.x < rhs.x ? lhs.x : rhs.x, lhs.y < rhs.y ? lhs.y : rhs.y); } static inline ImVec2 ImMax(const ImVec2& lhs, const ImVec2& rhs) { return ImVec2(lhs.x >= rhs.x ? lhs.x : rhs.x, lhs.y >= rhs.y ? lhs.y : rhs.y); } @@ -205,42 +329,117 @@ static inline float ImSaturate(float f) static inline float ImLengthSqr(const ImVec2& lhs) { return lhs.x*lhs.x + lhs.y*lhs.y; } static inline float ImLengthSqr(const ImVec4& lhs) { return lhs.x*lhs.x + lhs.y*lhs.y + lhs.z*lhs.z + lhs.w*lhs.w; } static inline float ImInvLength(const ImVec2& lhs, float fail_value) { float d = lhs.x*lhs.x + lhs.y*lhs.y; if (d > 0.0f) return 1.0f / ImSqrt(d); return fail_value; } -static inline float ImFloor(float f) { return (float)(int)f; } -static inline ImVec2 ImFloor(const ImVec2& v) { return ImVec2((float)(int)v.x, (float)(int)v.y); } +static inline float ImFloor(float f) { return (float)(int)(f); } +static inline ImVec2 ImFloor(const ImVec2& v) { return ImVec2((float)(int)(v.x), (float)(int)(v.y)); } +static inline int ImModPositive(int a, int b) { return (a + b) % b; } static inline float ImDot(const ImVec2& a, const ImVec2& b) { return a.x * b.x + a.y * b.y; } static inline ImVec2 ImRotate(const ImVec2& v, float cos_a, float sin_a) { return ImVec2(v.x * cos_a - v.y * sin_a, v.x * sin_a + v.y * cos_a); } static inline float ImLinearSweep(float current, float target, float speed) { if (current < target) return ImMin(current + speed, target); if (current > target) return ImMax(current - speed, target); return current; } static inline ImVec2 ImMul(const ImVec2& lhs, const ImVec2& rhs) { return ImVec2(lhs.x * rhs.x, lhs.y * rhs.y); } -//----------------------------------------------------------------------------- -// Types -//----------------------------------------------------------------------------- +// Helpers: Geometry +IMGUI_API ImVec2 ImBezierCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, float t); // Cubic Bezier +IMGUI_API ImVec2 ImBezierClosestPoint(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& p, int num_segments); // For curves with explicit number of segments +IMGUI_API ImVec2 ImBezierClosestPointCasteljau(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& p, float tess_tol);// For auto-tessellated curves you can use tess_tol = style.CurveTessellationTol +IMGUI_API ImVec2 ImLineClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& p); +IMGUI_API bool ImTriangleContainsPoint(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p); +IMGUI_API ImVec2 ImTriangleClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p); +IMGUI_API void ImTriangleBarycentricCoords(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p, float& out_u, float& out_v, float& out_w); +inline float ImTriangleArea(const ImVec2& a, const ImVec2& b, const ImVec2& c) { return ImFabs((a.x * (b.y - c.y)) + (b.x * (c.y - a.y)) + (c.x * (a.y - b.y))) * 0.5f; } +IMGUI_API ImGuiDir ImGetDirQuadrantFromDelta(float dx, float dy); + +// Helper: ImBoolVector +// Store 1-bit per value. Note that Resize() currently clears the whole vector. +struct IMGUI_API ImBoolVector +{ + ImVector<int> Storage; + ImBoolVector() { } + void Resize(int sz) { Storage.resize((sz + 31) >> 5); memset(Storage.Data, 0, (size_t)Storage.Size * sizeof(Storage.Data[0])); } + void Clear() { Storage.clear(); } + bool GetBit(int n) const { int off = (n >> 5); int mask = 1 << (n & 31); return (Storage[off] & mask) != 0; } + void SetBit(int n, bool v) { int off = (n >> 5); int mask = 1 << (n & 31); if (v) Storage[off] |= mask; else Storage[off] &= ~mask; } +}; -// 1D vector (this odd construct is used to facilitate the transition between 1D and 2D and maintenance of some patches) -struct ImVec1 +// Helper: ImPool<> +// Basic keyed storage for contiguous instances, slow/amortized insertion, O(1) indexable, O(Log N) queries by ID over a dense/hot buffer, +// Honor constructor/destructor. Add/remove invalidate all pointers. Indexes have the same lifetime as the associated object. +typedef int ImPoolIdx; +template<typename T> +struct IMGUI_API ImPool { - float x; - ImVec1() { x = 0.0f; } - ImVec1(float _x) { x = _x; } + ImVector<T> Buf; // Contiguous data + ImGuiStorage Map; // ID->Index + ImPoolIdx FreeIdx; // Next free idx to use + + ImPool() { FreeIdx = 0; } + ~ImPool() { Clear(); } + T* GetByKey(ImGuiID key) { int idx = Map.GetInt(key, -1); return (idx != -1) ? &Buf[idx] : NULL; } + T* GetByIndex(ImPoolIdx n) { return &Buf[n]; } + ImPoolIdx GetIndex(const T* p) const { IM_ASSERT(p >= Buf.Data && p < Buf.Data + Buf.Size); return (ImPoolIdx)(p - Buf.Data); } + T* GetOrAddByKey(ImGuiID key) { int* p_idx = Map.GetIntRef(key, -1); if (*p_idx != -1) return &Buf[*p_idx]; *p_idx = FreeIdx; return Add(); } + bool Contains(const T* p) const { return (p >= Buf.Data && p < Buf.Data + Buf.Size); } + void Clear() { for (int n = 0; n < Map.Data.Size; n++) { int idx = Map.Data[n].val_i; if (idx != -1) Buf[idx].~T(); } Map.Clear(); Buf.clear(); FreeIdx = 0; } + T* Add() { int idx = FreeIdx; if (idx == Buf.Size) { Buf.resize(Buf.Size + 1); FreeIdx++; } else { FreeIdx = *(int*)&Buf[idx]; } IM_PLACEMENT_NEW(&Buf[idx]) T(); return &Buf[idx]; } + void Remove(ImGuiID key, const T* p) { Remove(key, GetIndex(p)); } + void Remove(ImGuiID key, ImPoolIdx idx) { Buf[idx].~T(); *(int*)&Buf[idx] = FreeIdx; FreeIdx = idx; Map.SetInt(key, -1); } + void Reserve(int capacity) { Buf.reserve(capacity); Map.Data.reserve(capacity); } + int GetSize() const { return Buf.Size; } +}; + +// Helper: ImChunkStream<> +// Build and iterate a contiguous stream of variable-sized structures. +// This is used by Settings to store persistent data while reducing allocation count. +// We store the chunk size first, and align the final size on 4 bytes boundaries (this what the '(X + 3) & ~3' statement is for) +// The tedious/zealous amount of casting is to avoid -Wcast-align warnings. +template<typename T> +struct IMGUI_API ImChunkStream +{ + ImVector<char> Buf; + + void clear() { Buf.clear(); } + bool empty() const { return Buf.Size == 0; } + int size() const { return Buf.Size; } + T* alloc_chunk(size_t sz) { size_t HDR_SZ = 4; sz = ((HDR_SZ + sz) + 3u) & ~3u; int off = Buf.Size; Buf.resize(off + (int)sz); ((int*)(void*)(Buf.Data + off))[0] = (int)sz; return (T*)(void*)(Buf.Data + off + (int)HDR_SZ); } + T* begin() { size_t HDR_SZ = 4; if (!Buf.Data) return NULL; return (T*)(void*)(Buf.Data + HDR_SZ); } + T* next_chunk(T* p) { size_t HDR_SZ = 4; IM_ASSERT(p >= begin() && p < end()); p = (T*)(void*)((char*)(void*)p + chunk_size(p)); if (p == (T*)(void*)((char*)end() + HDR_SZ)) return (T*)0; IM_ASSERT(p < end()); return p; } + int chunk_size(const T* p) { return ((const int*)p)[-1]; } + T* end() { return (T*)(void*)(Buf.Data + Buf.Size); } + int offset_from_ptr(const T* p) { IM_ASSERT(p >= begin() && p < end()); const ptrdiff_t off = (const char*)p - Buf.Data; return (int)off; } + T* ptr_from_offset(int off) { IM_ASSERT(off >= 4 && off < Buf.Size); return (T*)(void*)(Buf.Data + off); } }; +//----------------------------------------------------------------------------- +// Misc data structures +//----------------------------------------------------------------------------- + enum ImGuiButtonFlags_ { ImGuiButtonFlags_None = 0, ImGuiButtonFlags_Repeat = 1 << 0, // hold to repeat - ImGuiButtonFlags_PressedOnClickRelease = 1 << 1, // return true on click + release on same item [DEFAULT if no PressedOn* flag is set] - ImGuiButtonFlags_PressedOnClick = 1 << 2, // return true on click (default requires click+release) - ImGuiButtonFlags_PressedOnRelease = 1 << 3, // return true on release (default requires click+release) - ImGuiButtonFlags_PressedOnDoubleClick = 1 << 4, // return true on double-click (default requires click+release) - ImGuiButtonFlags_FlattenChildren = 1 << 5, // allow interactions even if a child window is overlapping - ImGuiButtonFlags_AllowItemOverlap = 1 << 6, // require previous frame HoveredId to either match id or be null before being usable, use along with SetItemAllowOverlap() - ImGuiButtonFlags_DontClosePopups = 1 << 7, // disable automatically closing parent popup on press // [UNUSED] - ImGuiButtonFlags_Disabled = 1 << 8, // disable interactions - ImGuiButtonFlags_AlignTextBaseLine = 1 << 9, // vertically align button to match text baseline - ButtonEx() only // FIXME: Should be removed and handled by SmallButton(), not possible currently because of DC.CursorPosPrevLine - ImGuiButtonFlags_NoKeyModifiers = 1 << 10, // disable interaction if a key modifier is held - ImGuiButtonFlags_NoHoldingActiveID = 1 << 11, // don't set ActiveId while holding the mouse (ImGuiButtonFlags_PressedOnClick only) - ImGuiButtonFlags_PressedOnDragDropHold = 1 << 12, // press when held into while we are drag and dropping another item (used by e.g. tree nodes, collapsing headers) - ImGuiButtonFlags_NoNavFocus = 1 << 13 // don't override navigation focus when activated + ImGuiButtonFlags_PressedOnClick = 1 << 1, // return true on click (mouse down event) + ImGuiButtonFlags_PressedOnClickRelease = 1 << 2, // [Default] return true on click + release on same item <-- this is what the majority of Button are using + ImGuiButtonFlags_PressedOnClickReleaseAnywhere = 1 << 3, // return true on click + release even if the release event is not done while hovering the item + ImGuiButtonFlags_PressedOnRelease = 1 << 4, // return true on release (default requires click+release) + ImGuiButtonFlags_PressedOnDoubleClick = 1 << 5, // return true on double-click (default requires click+release) + ImGuiButtonFlags_PressedOnDragDropHold = 1 << 6, // return true when held into while we are drag and dropping another item (used by e.g. tree nodes, collapsing headers) + ImGuiButtonFlags_FlattenChildren = 1 << 7, // allow interactions even if a child window is overlapping + ImGuiButtonFlags_AllowItemOverlap = 1 << 8, // require previous frame HoveredId to either match id or be null before being usable, use along with SetItemAllowOverlap() + ImGuiButtonFlags_DontClosePopups = 1 << 9, // disable automatically closing parent popup on press // [UNUSED] + ImGuiButtonFlags_Disabled = 1 << 10, // disable interactions + ImGuiButtonFlags_AlignTextBaseLine = 1 << 11, // vertically align button to match text baseline - ButtonEx() only // FIXME: Should be removed and handled by SmallButton(), not possible currently because of DC.CursorPosPrevLine + ImGuiButtonFlags_NoKeyModifiers = 1 << 12, // disable mouse interaction if a key modifier is held + ImGuiButtonFlags_NoHoldingActiveId = 1 << 13, // don't set ActiveId while holding the mouse (ImGuiButtonFlags_PressedOnClick only) + ImGuiButtonFlags_NoNavFocus = 1 << 14, // don't override navigation focus when activated + ImGuiButtonFlags_NoHoveredOnNav = 1 << 15, // don't report as hovered when navigated on + ImGuiButtonFlags_MouseButtonLeft = 1 << 16, // [Default] react on left mouse button + ImGuiButtonFlags_MouseButtonRight = 1 << 17, // react on right mouse button + ImGuiButtonFlags_MouseButtonMiddle = 1 << 18, // react on center mouse button + + ImGuiButtonFlags_MouseButtonMask_ = ImGuiButtonFlags_MouseButtonLeft | ImGuiButtonFlags_MouseButtonRight | ImGuiButtonFlags_MouseButtonMiddle, + ImGuiButtonFlags_MouseButtonShift_ = 16, + ImGuiButtonFlags_MouseButtonDefault_ = ImGuiButtonFlags_MouseButtonLeft, + ImGuiButtonFlags_PressedOnMask_ = ImGuiButtonFlags_PressedOnClick | ImGuiButtonFlags_PressedOnClickRelease | ImGuiButtonFlags_PressedOnClickReleaseAnywhere | ImGuiButtonFlags_PressedOnRelease | ImGuiButtonFlags_PressedOnDoubleClick | ImGuiButtonFlags_PressedOnDragDropHold, + ImGuiButtonFlags_PressedOnDefault_ = ImGuiButtonFlags_PressedOnClickRelease }; enum ImGuiSliderFlags_ @@ -249,6 +448,12 @@ enum ImGuiSliderFlags_ ImGuiSliderFlags_Vertical = 1 << 0 }; +enum ImGuiDragFlags_ +{ + ImGuiDragFlags_None = 0, + ImGuiDragFlags_Vertical = 1 << 0 +}; + enum ImGuiColumnsFlags_ { // Default: 0 @@ -260,20 +465,45 @@ enum ImGuiColumnsFlags_ ImGuiColumnsFlags_GrowParentContentsSize= 1 << 4 // (WIP) Restore pre-1.51 behavior of extending the parent window contents size but _without affecting the columns width at all_. Will eventually remove. }; +// Extend ImGuiSelectableFlags_ enum ImGuiSelectableFlagsPrivate_ { // NB: need to be in sync with last value of ImGuiSelectableFlags_ - ImGuiSelectableFlags_NoHoldingActiveID = 1 << 10, - ImGuiSelectableFlags_PressedOnClick = 1 << 11, - ImGuiSelectableFlags_PressedOnRelease = 1 << 12, - ImGuiSelectableFlags_DrawFillAvailWidth = 1 << 13 + ImGuiSelectableFlags_NoHoldingActiveID = 1 << 20, + ImGuiSelectableFlags_PressedOnClick = 1 << 21, + ImGuiSelectableFlags_PressedOnRelease = 1 << 22, + ImGuiSelectableFlags_DrawFillAvailWidth = 1 << 23, // FIXME: We may be able to remove this (added in 6251d379 for menus) + ImGuiSelectableFlags_DrawHoveredWhenHeld= 1 << 24, // Always show active when held, even is not hovered. This concept could probably be renamed/formalized somehow. + ImGuiSelectableFlags_SetNavIdOnHover = 1 << 25 +}; + +// Extend ImGuiTreeNodeFlags_ +enum ImGuiTreeNodeFlagsPrivate_ +{ + ImGuiTreeNodeFlags_ClipLabelForTrailingButton = 1 << 20 }; enum ImGuiSeparatorFlags_ { ImGuiSeparatorFlags_None = 0, ImGuiSeparatorFlags_Horizontal = 1 << 0, // Axis default to current layout type, so generally Horizontal unless e.g. in a menu bar - ImGuiSeparatorFlags_Vertical = 1 << 1 + ImGuiSeparatorFlags_Vertical = 1 << 1, + ImGuiSeparatorFlags_SpanAllColumns = 1 << 2 +}; + +// Transient per-window flags, reset at the beginning of the frame. For child window, inherited from parent on first Begin(). +// This is going to be exposed in imgui.h when stabilized enough. +enum ImGuiItemFlags_ +{ + ImGuiItemFlags_None = 0, + ImGuiItemFlags_NoTabStop = 1 << 0, // false + ImGuiItemFlags_ButtonRepeat = 1 << 1, // false // Button() will return true multiple times based on io.KeyRepeatDelay and io.KeyRepeatRate settings. + ImGuiItemFlags_Disabled = 1 << 2, // false // [BETA] Disable interactions but doesn't affect visuals yet. See github.com/ocornut/imgui/issues/211 + ImGuiItemFlags_NoNav = 1 << 3, // false + ImGuiItemFlags_NoNavDefaultFocus = 1 << 4, // false + ImGuiItemFlags_SelectableDontClosePopup = 1 << 5, // false // MenuItem/Selectable() automatically closes current Popup window + ImGuiItemFlags_MixedValue = 1 << 6, // false // [BETA] Represent a mixed/indeterminate value, generally multi-selection where values differ. Currently only supported by Checkbox() (later should support all sorts of widgets) + ImGuiItemFlags_Default_ = 0 }; // Storage for LastItem data @@ -282,16 +512,51 @@ enum ImGuiItemStatusFlags_ ImGuiItemStatusFlags_None = 0, ImGuiItemStatusFlags_HoveredRect = 1 << 0, ImGuiItemStatusFlags_HasDisplayRect = 1 << 1, - ImGuiItemStatusFlags_Edited = 1 << 2 // Value exposed by item was edited in the current frame (should match the bool return value of most widgets) + ImGuiItemStatusFlags_Edited = 1 << 2, // Value exposed by item was edited in the current frame (should match the bool return value of most widgets) + ImGuiItemStatusFlags_ToggledSelection = 1 << 3, // Set when Selectable(), TreeNode() reports toggling a selection. We can't report "Selected" because reporting the change allows us to handle clipping with less issues. + ImGuiItemStatusFlags_ToggledOpen = 1 << 4, // Set when TreeNode() reports toggling their open state. + ImGuiItemStatusFlags_HasDeactivated = 1 << 5, // Set if the widget/group is able to provide data for the ImGuiItemStatusFlags_Deactivated flag. + ImGuiItemStatusFlags_Deactivated = 1 << 6 // Only valid if ImGuiItemStatusFlags_HasDeactivated is set. + +#ifdef IMGUI_ENABLE_TEST_ENGINE + , // [imgui_tests only] + ImGuiItemStatusFlags_Openable = 1 << 10, // + ImGuiItemStatusFlags_Opened = 1 << 11, // + ImGuiItemStatusFlags_Checkable = 1 << 12, // + ImGuiItemStatusFlags_Checked = 1 << 13 // +#endif +}; + +enum ImGuiTextFlags_ +{ + ImGuiTextFlags_None = 0, + ImGuiTextFlags_NoWidthForLargeClippedText = 1 << 0 +}; + +enum ImGuiTooltipFlags_ +{ + ImGuiTooltipFlags_None = 0, + ImGuiTooltipFlags_OverridePreviousTooltip = 1 << 0 // Override will clear/ignore previously submitted tooltip (defaults to append) }; // FIXME: this is in development, not exposed/functional as a generic feature yet. +// Horizontal/Vertical enums are fixed to 0/1 so they may be used to index ImVec2 enum ImGuiLayoutType_ { - ImGuiLayoutType_Vertical, - ImGuiLayoutType_Horizontal + ImGuiLayoutType_Horizontal = 0, + ImGuiLayoutType_Vertical = 1 }; +enum ImGuiLogType +{ + ImGuiLogType_None = 0, + ImGuiLogType_TTY, + ImGuiLogType_File, + ImGuiLogType_Buffer, + ImGuiLogType_Clipboard +}; + +// X/Y enums are fixed to 0/1 so they may be used to index ImVec2 enum ImGuiAxis { ImGuiAxis_None = -1, @@ -331,7 +596,7 @@ enum ImGuiNavHighlightFlags_ ImGuiNavHighlightFlags_None = 0, ImGuiNavHighlightFlags_TypeDefault = 1 << 0, ImGuiNavHighlightFlags_TypeThin = 1 << 1, - ImGuiNavHighlightFlags_AlwaysDraw = 1 << 2, + ImGuiNavHighlightFlags_AlwaysDraw = 1 << 2, // Draw rectangular highlight if (g.NavId == id) _even_ when using the mouse. ImGuiNavHighlightFlags_NoRounding = 1 << 3 }; @@ -351,7 +616,8 @@ enum ImGuiNavMoveFlags_ ImGuiNavMoveFlags_WrapX = 1 << 2, // On failed request, request from opposite side one line down (when NavDir==right) or one line up (when NavDir==left) ImGuiNavMoveFlags_WrapY = 1 << 3, // This is not super useful for provided for completeness ImGuiNavMoveFlags_AllowCurrentNavId = 1 << 4, // Allow scoring and considering the current NavId as a move target candidate. This is used when the move source is offset (e.g. pressing PageDown actually needs to send a Up move request, if we are pressing PageDown from the bottom-most item we need to stay in place) - ImGuiNavMoveFlags_AlsoScoreVisibleSet = 1 << 5 // Store alternate result in NavMoveResultLocalVisibleSet that only comprise elements that are already fully visible. + ImGuiNavMoveFlags_AlsoScoreVisibleSet = 1 << 5, // Store alternate result in NavMoveResultLocalVisibleSet that only comprise elements that are already fully visible. + ImGuiNavMoveFlags_ScrollToEdge = 1 << 6 }; enum ImGuiNavForward @@ -361,12 +627,36 @@ enum ImGuiNavForward ImGuiNavForward_ForwardActive }; +enum ImGuiNavLayer +{ + ImGuiNavLayer_Main = 0, // Main scrolling layer + ImGuiNavLayer_Menu = 1, // Menu layer (access with Alt/ImGuiNavInput_Menu) + ImGuiNavLayer_COUNT +}; + enum ImGuiPopupPositionPolicy { ImGuiPopupPositionPolicy_Default, ImGuiPopupPositionPolicy_ComboBox }; +// 1D vector (this odd construct is used to facilitate the transition between 1D and 2D, and the maintenance of some branches/patches) +struct ImVec1 +{ + float x; + ImVec1() { x = 0.0f; } + ImVec1(float _x) { x = _x; } +}; + +// 2D vector (half-size integer) +struct ImVec2ih +{ + short x, y; + ImVec2ih() { x = y = 0; } + ImVec2ih(short _x, short _y) { x = _x; y = _y; } + explicit ImVec2ih(const ImVec2& rhs) { x = (short)rhs.x; y = (short)rhs.y; } +}; + // 2D axis aligned bounding-box // NB: we can't rely on ImVec2 math operators being available here struct IMGUI_API ImRect @@ -374,7 +664,7 @@ struct IMGUI_API ImRect ImVec2 Min; // Upper-left ImVec2 Max; // Lower-right - ImRect() : Min(FLT_MAX,FLT_MAX), Max(-FLT_MAX,-FLT_MAX) {} + ImRect() : Min(0.0f, 0.0f), Max(0.0f, 0.0f) {} ImRect(const ImVec2& min, const ImVec2& max) : Min(min), Max(max) {} ImRect(const ImVec4& v) : Min(v.x, v.y), Max(v.z, v.w) {} ImRect(float x1, float y1, float x2, float y2) : Min(x1, y1), Max(x2, y2) {} @@ -399,10 +689,18 @@ struct IMGUI_API ImRect void TranslateY(float dy) { Min.y += dy; Max.y += dy; } void ClipWith(const ImRect& r) { Min = ImMax(Min, r.Min); Max = ImMin(Max, r.Max); } // Simple version, may lead to an inverted rectangle, which is fine for Contains/Overlaps test but not for display. void ClipWithFull(const ImRect& r) { Min = ImClamp(Min, r.Min, r.Max); Max = ImClamp(Max, r.Min, r.Max); } // Full version, ensure both points are fully clipped. - void Floor() { Min.x = (float)(int)Min.x; Min.y = (float)(int)Min.y; Max.x = (float)(int)Max.x; Max.y = (float)(int)Max.y; } + void Floor() { Min.x = IM_FLOOR(Min.x); Min.y = IM_FLOOR(Min.y); Max.x = IM_FLOOR(Max.x); Max.y = IM_FLOOR(Max.y); } bool IsInverted() const { return Min.x > Max.x || Min.y > Max.y; } }; +// Type information associated to one ImGuiDataType. Retrieve with DataTypeGetInfo(). +struct ImGuiDataTypeInfo +{ + size_t Size; // Size in byte + const char* PrintFmt; // Default printf format for the type + const char* ScanFmt; // Default scanf format for the type +}; + // Stacked color modifier, backup of modified data so we can restore it struct ImGuiColorMod { @@ -427,73 +725,78 @@ struct ImGuiGroupData ImVec2 BackupCursorMaxPos; ImVec1 BackupIndent; ImVec1 BackupGroupOffset; - ImVec2 BackupCurrentLineSize; - float BackupCurrentLineTextBaseOffset; - float BackupLogLinePosY; + ImVec2 BackupCurrLineSize; + float BackupCurrLineTextBaseOffset; ImGuiID BackupActiveIdIsAlive; bool BackupActiveIdPreviousFrameIsAlive; - bool AdvanceCursor; + bool EmitItem; }; // Simple column measurement, currently used for MenuItem() only.. This is very short-sighted/throw-away code and NOT a generic helper. struct IMGUI_API ImGuiMenuColumns { - int Count; float Spacing; float Width, NextWidth; - float Pos[4], NextWidths[4]; + float Pos[3], NextWidths[3]; ImGuiMenuColumns(); void Update(int count, float spacing, bool clear); float DeclColumns(float w0, float w1, float w2); - float CalcExtraSpace(float avail_w); + float CalcExtraSpace(float avail_w) const; }; // Internal state of the currently focused/edited text input box struct IMGUI_API ImGuiInputTextState { ImGuiID ID; // widget id owning the text state + int CurLenW, CurLenA; // we need to maintain our buffer length in both UTF-8 and wchar format. UTF-8 len is valid even if TextA is not. ImVector<ImWchar> TextW; // edit buffer, we need to persist but can't guarantee the persistence of the user-provided buffer. so we copy into own buffer. - ImVector<char> InitialText; // backup of end-user buffer at the time of focus (in UTF-8, unaltered) - ImVector<char> TempBuffer; // temporary buffer for callback and other other operations. size=capacity. - int CurLenA, CurLenW; // we need to maintain our buffer length in both UTF-8 and wchar format. + ImVector<char> TextA; // temporary UTF8 buffer for callbacks and other operations. this is not updated in every code-path! size=capacity. + ImVector<char> InitialTextA; // backup of end-user buffer at the time of focus (in UTF-8, unaltered) + bool TextAIsValid; // temporary UTF8 buffer is not initially valid before we make the widget active (until then we pull the data from user argument) int BufCapacityA; // end-user buffer capacity - float ScrollX; - ImGuiStb::STB_TexteditState StbState; - float CursorAnim; - bool CursorFollow; - bool SelectedAllMouseLock; - - // Temporarily set when active - ImGuiInputTextFlags UserFlags; - ImGuiInputTextCallback UserCallback; - void* UserCallbackData; - - ImGuiInputTextState() { memset(this, 0, sizeof(*this)); } - void CursorAnimReset() { CursorAnim = -0.30f; } // After a user-input the cursor stays on for a while without blinking - void CursorClamp() { StbState.cursor = ImMin(StbState.cursor, CurLenW); StbState.select_start = ImMin(StbState.select_start, CurLenW); StbState.select_end = ImMin(StbState.select_end, CurLenW); } - bool HasSelection() const { return StbState.select_start != StbState.select_end; } - void ClearSelection() { StbState.select_start = StbState.select_end = StbState.cursor; } - void SelectAll() { StbState.select_start = 0; StbState.cursor = StbState.select_end = CurLenW; StbState.has_preferred_x = false; } - void OnKeyPressed(int key); // Cannot be inline because we call in code in stb_textedit.h implementation + float ScrollX; // horizontal scrolling/offset + ImStb::STB_TexteditState Stb; // state for stb_textedit.h + float CursorAnim; // timer for cursor blink, reset on every user action so the cursor reappears immediately + bool CursorFollow; // set when we want scrolling to follow the current cursor position (not always!) + bool SelectedAllMouseLock; // after a double-click to select all, we ignore further mouse drags to update selection + ImGuiInputTextFlags UserFlags; // Temporarily set while we call user's callback + ImGuiInputTextCallback UserCallback; // " + void* UserCallbackData; // " + + ImGuiInputTextState() { memset(this, 0, sizeof(*this)); } + void ClearText() { CurLenW = CurLenA = 0; TextW[0] = 0; TextA[0] = 0; CursorClamp(); } + void ClearFreeMemory() { TextW.clear(); TextA.clear(); InitialTextA.clear(); } + int GetUndoAvailCount() const { return Stb.undostate.undo_point; } + int GetRedoAvailCount() const { return STB_TEXTEDIT_UNDOSTATECOUNT - Stb.undostate.redo_point; } + void OnKeyPressed(int key); // Cannot be inline because we call in code in stb_textedit.h implementation + + // Cursor & Selection + void CursorAnimReset() { CursorAnim = -0.30f; } // After a user-input the cursor stays on for a while without blinking + void CursorClamp() { Stb.cursor = ImMin(Stb.cursor, CurLenW); Stb.select_start = ImMin(Stb.select_start, CurLenW); Stb.select_end = ImMin(Stb.select_end, CurLenW); } + bool HasSelection() const { return Stb.select_start != Stb.select_end; } + void ClearSelection() { Stb.select_start = Stb.select_end = Stb.cursor; } + void SelectAll() { Stb.select_start = 0; Stb.cursor = Stb.select_end = CurLenW; Stb.has_preferred_x = 0; } }; // Windows data saved in imgui.ini file +// Because we never destroy or rename ImGuiWindowSettings, we can store the names in a separate buffer easily. +// (this is designed to be stored in a ImChunkStream buffer, with the variable-length Name following our structure) struct ImGuiWindowSettings { - char* Name; ImGuiID ID; - ImVec2 Pos; - ImVec2 Size; + ImVec2ih Pos; + ImVec2ih Size; bool Collapsed; - ImGuiWindowSettings() { Name = NULL; ID = 0; Pos = Size = ImVec2(0,0); Collapsed = false; } + ImGuiWindowSettings() { ID = 0; Pos = Size = ImVec2ih(0, 0); Collapsed = false; } + char* GetName() { return (char*)(this + 1); } }; struct ImGuiSettingsHandler { - const char* TypeName; // Short description stored in .ini file. Disallowed characters: '[' ']' - ImGuiID TypeHash; // == ImHash(TypeName, 0, 0) + const char* TypeName; // Short description stored in .ini file. Disallowed characters: '[' ']' + ImGuiID TypeHash; // == ImHashStr(TypeName) void* (*ReadOpenFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, const char* name); // Read: Called when entering into a new ini entry e.g. "[Window][Name]" void (*ReadLineFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, void* entry, const char* line); // Read: Called for every line of text within an ini entry void (*WriteAllFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, ImGuiTextBuffer* out_buf); // Write: Output every entries into 'out_buf' @@ -503,15 +806,17 @@ struct ImGuiSettingsHandler }; // Storage for current popup stack -struct ImGuiPopupRef +struct ImGuiPopupData { ImGuiID PopupId; // Set on OpenPopup() ImGuiWindow* Window; // Resolved on BeginPopup() - may stay unresolved if user never calls OpenPopup() - ImGuiWindow* ParentWindow; // Set on OpenPopup() + ImGuiWindow* SourceWindow; // Set on OpenPopup() copy of NavWindow at the time of opening the popup int OpenFrameCount; // Set on OpenPopup() - ImGuiID OpenParentId; // Set on OpenPopup(), we need this to differenciate multiple menu sets from each others (e.g. inside menu bar vs loose menu items) + ImGuiID OpenParentId; // Set on OpenPopup(), we need this to differentiate multiple menu sets from each others (e.g. inside menu bar vs loose menu items) ImVec2 OpenPopupPos; // Set on OpenPopup(), preferred popup position (typically == OpenMousePos when using mouse) ImVec2 OpenMousePos; // Set on OpenPopup(), copy of mouse position at the time of opening popup + + ImGuiPopupData() { PopupId = 0; Window = SourceWindow = NULL; OpenFrameCount = -1; OpenParentId = 0; } }; struct ImGuiColumnData @@ -521,10 +826,10 @@ struct ImGuiColumnData ImGuiColumnsFlags Flags; // Not exposed ImRect ClipRect; - ImGuiColumnData() { OffsetNorm = OffsetNormBeforeResize = 0.0f; Flags = 0; } + ImGuiColumnData() { OffsetNorm = OffsetNormBeforeResize = 0.0f; Flags = ImGuiColumnsFlags_None; } }; -struct ImGuiColumnsSet +struct ImGuiColumns { ImGuiID ID; ImGuiColumnsFlags Flags; @@ -532,43 +837,55 @@ struct ImGuiColumnsSet bool IsBeingResized; int Current; int Count; - float MinX, MaxX; + float OffMinX, OffMaxX; // Offsets from HostWorkRect.Min.x float LineMinY, LineMaxY; - float StartPosY; // Copy of CursorPos - float StartMaxPosX; // Copy of CursorMaxPos + float HostCursorPosY; // Backup of CursorPos at the time of BeginColumns() + float HostCursorMaxPosX; // Backup of CursorMaxPos at the time of BeginColumns() + ImRect HostClipRect; // Backup of ClipRect at the time of BeginColumns() + ImRect HostWorkRect; // Backup of WorkRect at the time of BeginColumns() ImVector<ImGuiColumnData> Columns; + ImDrawListSplitter Splitter; - ImGuiColumnsSet() { Clear(); } + ImGuiColumns() { Clear(); } void Clear() { ID = 0; - Flags = 0; + Flags = ImGuiColumnsFlags_None; IsFirstFrame = false; IsBeingResized = false; Current = 0; Count = 1; - MinX = MaxX = 0.0f; + OffMinX = OffMaxX = 0.0f; LineMinY = LineMaxY = 0.0f; - StartPosY = 0.0f; - StartMaxPosX = 0.0f; + HostCursorPosY = 0.0f; + HostCursorMaxPosX = 0.0f; Columns.clear(); } }; +// Helper function to calculate a circle's segment count given its radius and a "maximum error" value. +#define IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MIN 12 +#define IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX 512 +#define IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(_RAD,_MAXERROR) ImClamp((int)((IM_PI * 2.0f) / ImAcos((_RAD - _MAXERROR) / _RAD)), IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MIN, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX) + // Data shared between all ImDrawList instances +// You may want to create your own instance of this if you want to use ImDrawList completely without ImGui. In that case, watch out for future changes to this structure. struct IMGUI_API ImDrawListSharedData { ImVec2 TexUvWhitePixel; // UV of white pixel in the atlas ImFont* Font; // Current/default font (optional, for simplified AddText overload) float FontSize; // Current/default font size (optional, for simplified AddText overload) - float CurveTessellationTol; + float CurveTessellationTol; // Tessellation tolerance when using PathBezierCurveTo() + float CircleSegmentMaxError; // Number of circle segments to use per pixel of radius for AddCircle() etc ImVec4 ClipRectFullscreen; // Value for PushClipRectFullscreen() + ImDrawListFlags InitialFlags; // Initial flags at the beginning of the frame (it is possible to alter flags on a per-drawlist basis afterwards) - // Const data - // FIXME: Bake rounded corners fill/borders in atlas - ImVec2 CircleVtx12[12]; + // [Internal] Lookup tables + ImVec2 CircleVtx12[12]; // FIXME: Bake rounded corners fill/borders in atlas + ImU8 CircleSegmentCounts[64]; // Precomputed segment count for given radius (array index + 1) before we calculate it dynamically (to avoid calculation overhead) ImDrawListSharedData(); + void SetCircleSegmentMaxError(float max_error); }; struct ImDrawDataBuilder @@ -582,134 +899,182 @@ struct ImDrawDataBuilder struct ImGuiNavMoveResult { - ImGuiID ID; // Best candidate - ImGuiWindow* Window; // Best candidate window - float DistBox; // Best candidate box distance to current NavId - float DistCenter; // Best candidate center distance to current NavId - float DistAxial; - ImRect RectRel; // Best candidate bounding box in window relative space + ImGuiWindow* Window; // Best candidate window + ImGuiID ID; // Best candidate ID + ImGuiID FocusScopeId; // Best candidate focus scope ID + float DistBox; // Best candidate box distance to current NavId + float DistCenter; // Best candidate center distance to current NavId + float DistAxial; + ImRect RectRel; // Best candidate bounding box in window relative space ImGuiNavMoveResult() { Clear(); } - void Clear() { ID = 0; Window = NULL; DistBox = DistCenter = DistAxial = FLT_MAX; RectRel = ImRect(); } + void Clear() { Window = NULL; ID = FocusScopeId = 0; DistBox = DistCenter = DistAxial = FLT_MAX; RectRel = ImRect(); } +}; + +enum ImGuiNextWindowDataFlags_ +{ + ImGuiNextWindowDataFlags_None = 0, + ImGuiNextWindowDataFlags_HasPos = 1 << 0, + ImGuiNextWindowDataFlags_HasSize = 1 << 1, + ImGuiNextWindowDataFlags_HasContentSize = 1 << 2, + ImGuiNextWindowDataFlags_HasCollapsed = 1 << 3, + ImGuiNextWindowDataFlags_HasSizeConstraint = 1 << 4, + ImGuiNextWindowDataFlags_HasFocus = 1 << 5, + ImGuiNextWindowDataFlags_HasBgAlpha = 1 << 6 }; // Storage for SetNexWindow** functions struct ImGuiNextWindowData { - ImGuiCond PosCond; - ImGuiCond SizeCond; - ImGuiCond ContentSizeCond; - ImGuiCond CollapsedCond; - ImGuiCond SizeConstraintCond; - ImGuiCond FocusCond; - ImGuiCond BgAlphaCond; - ImVec2 PosVal; - ImVec2 PosPivotVal; - ImVec2 SizeVal; - ImVec2 ContentSizeVal; - bool CollapsedVal; - ImRect SizeConstraintRect; - ImGuiSizeCallback SizeCallback; - void* SizeCallbackUserData; - float BgAlphaVal; - ImVec2 MenuBarOffsetMinVal; // This is not exposed publicly, so we don't clear it. - - ImGuiNextWindowData() - { - PosCond = SizeCond = ContentSizeCond = CollapsedCond = SizeConstraintCond = FocusCond = BgAlphaCond = 0; - PosVal = PosPivotVal = SizeVal = ImVec2(0.0f, 0.0f); - ContentSizeVal = ImVec2(0.0f, 0.0f); - CollapsedVal = false; - SizeConstraintRect = ImRect(); - SizeCallback = NULL; - SizeCallbackUserData = NULL; - BgAlphaVal = FLT_MAX; - MenuBarOffsetMinVal = ImVec2(0.0f, 0.0f); - } + ImGuiNextWindowDataFlags Flags; + ImGuiCond PosCond; + ImGuiCond SizeCond; + ImGuiCond CollapsedCond; + ImVec2 PosVal; + ImVec2 PosPivotVal; + ImVec2 SizeVal; + ImVec2 ContentSizeVal; + bool CollapsedVal; + ImRect SizeConstraintRect; + ImGuiSizeCallback SizeCallback; + void* SizeCallbackUserData; + float BgAlphaVal; // Override background alpha + ImVec2 MenuBarOffsetMinVal; // *Always on* This is not exposed publicly, so we don't clear it. + + ImGuiNextWindowData() { memset(this, 0, sizeof(*this)); } + inline void ClearFlags() { Flags = ImGuiNextWindowDataFlags_None; } +}; - void Clear() - { - PosCond = SizeCond = ContentSizeCond = CollapsedCond = SizeConstraintCond = FocusCond = BgAlphaCond = 0; - } +enum ImGuiNextItemDataFlags_ +{ + ImGuiNextItemDataFlags_None = 0, + ImGuiNextItemDataFlags_HasWidth = 1 << 0, + ImGuiNextItemDataFlags_HasOpen = 1 << 1 }; -// Main imgui context +struct ImGuiNextItemData +{ + ImGuiNextItemDataFlags Flags; + float Width; // Set by SetNextItemWidth() + ImGuiID FocusScopeId; // Set by SetNextItemMultiSelectData() (!= 0 signify value has been set, so it's an alternate version of HasSelectionData, we don't use Flags for this because they are cleared too early. This is mostly used for debugging) + ImGuiCond OpenCond; + bool OpenVal; // Set by SetNextItemOpen() + + ImGuiNextItemData() { memset(this, 0, sizeof(*this)); } + inline void ClearFlags() { Flags = ImGuiNextItemDataFlags_None; } // Also cleared manually by ItemAdd()! +}; + +//----------------------------------------------------------------------------- +// Tabs +//----------------------------------------------------------------------------- + +struct ImGuiShrinkWidthItem +{ + int Index; + float Width; +}; + +struct ImGuiPtrOrIndex +{ + void* Ptr; // Either field can be set, not both. e.g. Dock node tab bars are loose while BeginTabBar() ones are in a pool. + int Index; // Usually index in a main pool. + + ImGuiPtrOrIndex(void* ptr) { Ptr = ptr; Index = -1; } + ImGuiPtrOrIndex(int index) { Ptr = NULL; Index = index; } +}; + +//----------------------------------------------------------------------------- +// Main Dear ImGui context +//----------------------------------------------------------------------------- + struct ImGuiContext { bool Initialized; - bool FrameScopeActive; // Set by NewFrame(), cleared by EndFrame()/Render() - bool FontAtlasOwnedByContext; // Io.Fonts-> is owned by the ImGuiContext and will be destructed along with it. + bool FontAtlasOwnedByContext; // IO.Fonts-> is owned by the ImGuiContext and will be destructed along with it. ImGuiIO IO; ImGuiStyle Style; ImFont* Font; // (Shortcut) == FontStack.empty() ? IO.Font : FontStack.back() float FontSize; // (Shortcut) == FontBaseSize * g.CurrentWindow->FontWindowScale == window->FontSize(). Text height for current window. float FontBaseSize; // (Shortcut) == IO.FontGlobalScale * Font->Scale * Font->FontSize. Base text height. ImDrawListSharedData DrawListSharedData; - double Time; int FrameCount; int FrameCountEnded; int FrameCountRendered; + bool WithinFrameScope; // Set by NewFrame(), cleared by EndFrame() + bool WithinFrameScopeWithImplicitWindow; // Set by NewFrame(), cleared by EndFrame() when the implicit debug window has been pushed + bool WithinEndChild; // Set within EndChild() + + // Windows state ImVector<ImGuiWindow*> Windows; // Windows, sorted in display order, back to front - ImVector<ImGuiWindow*> WindowsFocusOrder; // Windows, sorted in focus order, back to front - ImVector<ImGuiWindow*> WindowsSortBuffer; + ImVector<ImGuiWindow*> WindowsFocusOrder; // Windows, sorted in focus order, back to front. (FIXME: We could only store root windows here! Need to sort out the Docking equivalent which is RootWindowDockStop and is unfortunately a little more dynamic) + ImVector<ImGuiWindow*> WindowsTempSortBuffer; // Temporary buffer used in EndFrame() to reorder windows so parents are kept before their child ImVector<ImGuiWindow*> CurrentWindowStack; - ImGuiStorage WindowsById; - int WindowsActiveCount; - ImGuiWindow* CurrentWindow; // Being drawn into + ImGuiStorage WindowsById; // Map window's ImGuiID to ImGuiWindow* + int WindowsActiveCount; // Number of unique windows submitted by frame + ImGuiWindow* CurrentWindow; // Window being drawn into ImGuiWindow* HoveredWindow; // Will catch mouse inputs ImGuiWindow* HoveredRootWindow; // Will catch mouse inputs (for focus/move only) + ImGuiWindow* MovingWindow; // Track the window we clicked on (in order to preserve focus). The actually window that is moved is generally MovingWindow->RootWindow. + ImGuiWindow* WheelingWindow; // Track the window we started mouse-wheeling on. Until a timer elapse or mouse has moved, generally keep scrolling the same window even if during the course of scrolling the mouse ends up hovering a child window. + ImVec2 WheelingWindowRefMousePos; + float WheelingWindowTimer; + + // Item/widgets state and tracking information ImGuiID HoveredId; // Hovered widget bool HoveredIdAllowOverlap; ImGuiID HoveredIdPreviousFrame; float HoveredIdTimer; // Measure contiguous hovering time float HoveredIdNotActiveTimer; // Measure contiguous hovering time where the item has not been active ImGuiID ActiveId; // Active widget - ImGuiID ActiveIdPreviousFrame; ImGuiID ActiveIdIsAlive; // Active widget has been seen this frame (we can't use a bool as the ActiveId may change within the frame) float ActiveIdTimer; bool ActiveIdIsJustActivated; // Set at the time of activation for one frame bool ActiveIdAllowOverlap; // Active widget allows another widget to steal active id (generally for overlapping widgets, but not always) - bool ActiveIdHasBeenEdited; // Was the value associated to the widget Edited over the course of the Active state. - bool ActiveIdPreviousFrameIsAlive; - bool ActiveIdPreviousFrameHasBeenEdited; - int ActiveIdAllowNavDirFlags; // Active widget allows using directional navigation (e.g. can activate a button and move away from it) + bool ActiveIdHasBeenPressedBefore; // Track whether the active id led to a press (this is to allow changing between PressOnClick and PressOnRelease without pressing twice). Used by range_select branch. + bool ActiveIdHasBeenEditedBefore; // Was the value associated to the widget Edited over the course of the Active state. + bool ActiveIdHasBeenEditedThisFrame; + ImU32 ActiveIdUsingNavDirMask; // Active widget will want to read those directional navigation requests (e.g. can activate a button and move away from it) + ImU32 ActiveIdUsingNavInputMask; // Active widget will want to read those nav inputs. + ImU64 ActiveIdUsingKeyInputMask; // Active widget will want to read those key inputs. When we grow the ImGuiKey enum we'll need to either to order the enum to make useful keys come first, either redesign this into e.g. a small array. ImVec2 ActiveIdClickOffset; // Clicked offset from upper-left corner, if applicable (currently only set by ButtonBehavior) ImGuiWindow* ActiveIdWindow; - ImGuiWindow* ActiveIdPreviousFrameWindow; ImGuiInputSource ActiveIdSource; // Activating with mouse or nav (gamepad/keyboard) + int ActiveIdMouseButton; + ImGuiID ActiveIdPreviousFrame; + bool ActiveIdPreviousFrameIsAlive; + bool ActiveIdPreviousFrameHasBeenEditedBefore; + ImGuiWindow* ActiveIdPreviousFrameWindow; ImGuiID LastActiveId; // Store the last non-zero ActiveId, useful for animation. float LastActiveIdTimer; // Store the last non-zero ActiveId timer since the beginning of activation, useful for animation. - ImGuiWindow* MovingWindow; // Track the window we clicked on (in order to preserve focus). The actually window that is moved is generally MovingWindow->RootWindow. - ImVector<ImGuiColorMod> ColorModifiers; // Stack for PushStyleColor()/PopStyleColor() + + // Next window/item data + ImGuiNextWindowData NextWindowData; // Storage for SetNextWindow** functions + ImGuiNextItemData NextItemData; // Storage for SetNextItem** functions + + // Shared stacks + ImVector<ImGuiColorMod> ColorModifiers; // Stack for PushStyleColor()/PopStyleColor() ImVector<ImGuiStyleMod> StyleModifiers; // Stack for PushStyleVar()/PopStyleVar() ImVector<ImFont*> FontStack; // Stack for PushFont()/PopFont() - ImVector<ImGuiPopupRef> OpenPopupStack; // Which popups are open (persistent) - ImVector<ImGuiPopupRef> CurrentPopupStack; // Which level of BeginPopup() we are in (reset every frame) - ImGuiNextWindowData NextWindowData; // Storage for SetNextWindow** functions - bool NextTreeNodeOpenVal; // Storage for SetNextTreeNode** functions - ImGuiCond NextTreeNodeOpenCond; + ImVector<ImGuiPopupData>OpenPopupStack; // Which popups are open (persistent) + ImVector<ImGuiPopupData>BeginPopupStack; // Which level of BeginPopup() we are in (reset every frame) - // Navigation data (for gamepad/keyboard) + // Gamepad/keyboard Navigation ImGuiWindow* NavWindow; // Focused window for navigation. Could be called 'FocusWindow' ImGuiID NavId; // Focused item for navigation + ImGuiID NavFocusScopeId; ImGuiID NavActivateId; // ~~ (g.ActiveId == 0) && IsNavInputPressed(ImGuiNavInput_Activate) ? NavId : 0, also set when calling ActivateItem() ImGuiID NavActivateDownId; // ~~ IsNavInputDown(ImGuiNavInput_Activate) ? NavId : 0 ImGuiID NavActivatePressedId; // ~~ IsNavInputPressed(ImGuiNavInput_Activate) ? NavId : 0 ImGuiID NavInputId; // ~~ IsNavInputPressed(ImGuiNavInput_Input) ? NavId : 0 ImGuiID NavJustTabbedId; // Just tabbed to this id. - ImGuiID NavJustMovedToId; // Just navigated to this id (result of a successfully MoveRequest) - ImGuiID NavNextActivateId; // Set by ActivateItem(), queued until next frame - ImGuiInputSource NavInputSource; // Keyboard or Gamepad mode? + ImGuiID NavJustMovedToId; // Just navigated to this id (result of a successfully MoveRequest). + ImGuiID NavJustMovedToFocusScopeId; // Just navigated to this focus scope id (result of a successfully MoveRequest). + ImGuiID NavNextActivateId; // Set by ActivateItem(), queued until next frame. + ImGuiInputSource NavInputSource; // Keyboard or Gamepad mode? THIS WILL ONLY BE None or NavGamepad or NavKeyboard. ImRect NavScoringRectScreen; // Rectangle used for scoring, in screen space. Based of window->DC.NavRefRectRel[], modified for directional navigation scoring. int NavScoringCount; // Metrics for debugging - ImGuiWindow* NavWindowingTarget; // When selecting a window (holding Menu+FocusPrev/Next, or equivalent of CTRL-TAB) this window is temporarily displayed front-most. - ImGuiWindow* NavWindowingTargetAnim; // Record of last valid NavWindowingTarget until DimBgRatio and NavWindowingHighlightAlpha becomes 0.0f - ImGuiWindow* NavWindowingList; - float NavWindowingTimer; - float NavWindowingHighlightAlpha; - bool NavWindowingToggleLayer; - int NavLayer; // Layer we are navigating on. For now the system is hard-coded for 0=main contents and 1=menu/title bar, may expose layers later. + ImGuiNavLayer NavLayer; // Layer we are navigating on. For now the system is hard-coded for 0=main contents and 1=menu/title bar, may expose layers later. int NavIdTabCounter; // == NavWindow->DC.FocusIdxTabCounter at time of NavId processing bool NavIdIsAlive; // Nav widget has been seen this frame ~~ NavRefRectRel is valid bool NavMousePosDirty; // When set we will update mouse position if (io.ConfigFlags & ImGuiConfigFlags_NavEnableSetMousePos) if set (NB: this not enabled by default) @@ -725,62 +1090,101 @@ struct ImGuiContext ImGuiNavMoveFlags NavMoveRequestFlags; ImGuiNavForward NavMoveRequestForward; // None / ForwardQueued / ForwardActive (this is used to navigate sibling parent menus from a child menu) ImGuiDir NavMoveDir, NavMoveDirLast; // Direction of the move request (left/right/up/down), direction of the previous move request - ImGuiDir NavMoveClipDir; + ImGuiDir NavMoveClipDir; // FIXME-NAV: Describe the purpose of this better. Might want to rename? ImGuiNavMoveResult NavMoveResultLocal; // Best move request candidate within NavWindow ImGuiNavMoveResult NavMoveResultLocalVisibleSet; // Best move request candidate within NavWindow that are mostly visible (when using ImGuiNavMoveFlags_AlsoScoreVisibleSet flag) ImGuiNavMoveResult NavMoveResultOther; // Best move request candidate within NavWindow's flattened hierarchy (when using ImGuiWindowFlags_NavFlattened flag) + // Navigation: Windowing (CTRL+TAB, holding Menu button + directional pads to move/resize) + ImGuiWindow* NavWindowingTarget; // When selecting a window (holding Menu+FocusPrev/Next, or equivalent of CTRL-TAB) this window is temporarily displayed top-most. + ImGuiWindow* NavWindowingTargetAnim; // Record of last valid NavWindowingTarget until DimBgRatio and NavWindowingHighlightAlpha becomes 0.0f + ImGuiWindow* NavWindowingList; + float NavWindowingTimer; + float NavWindowingHighlightAlpha; + bool NavWindowingToggleLayer; + + // Legacy Focus/Tabbing system (older than Nav, active even if Nav is disabled, misnamed. FIXME-NAV: This needs a redesign!) + ImGuiWindow* FocusRequestCurrWindow; // + ImGuiWindow* FocusRequestNextWindow; // + int FocusRequestCurrCounterRegular; // Any item being requested for focus, stored as an index (we on layout to be stable between the frame pressing TAB and the next frame, semi-ouch) + int FocusRequestCurrCounterTabStop; // Tab item being requested for focus, stored as an index + int FocusRequestNextCounterRegular; // Stored for next frame + int FocusRequestNextCounterTabStop; // " + bool FocusTabPressed; // + // Render ImDrawData DrawData; // Main ImDrawData instance to pass render information to the user ImDrawDataBuilder DrawDataBuilder; float DimBgRatio; // 0.0..1.0 animation when fading in a dimming background (for modal window and CTRL+TAB list) - ImDrawList OverlayDrawList; // Optional software render of mouse cursors, if io.MouseDrawCursor is set + a few debug overlays + ImDrawList BackgroundDrawList; // First draw list to be rendered. + ImDrawList ForegroundDrawList; // Last draw list to be rendered. This is where we the render software mouse cursor (if io.MouseDrawCursor is set) and most debug overlays. ImGuiMouseCursor MouseCursor; // Drag and Drop bool DragDropActive; - bool DragDropWithinSourceOrTarget; + bool DragDropWithinSourceOrTarget; // Set when within a BeginDragDropXXX/EndDragDropXXX block. ImGuiDragDropFlags DragDropSourceFlags; int DragDropSourceFrameCount; int DragDropMouseButton; ImGuiPayload DragDropPayload; - ImRect DragDropTargetRect; + ImRect DragDropTargetRect; // Store rectangle of current target candidate (we favor small targets when overlapping) ImGuiID DragDropTargetId; ImGuiDragDropFlags DragDropAcceptFlags; float DragDropAcceptIdCurrRectSurface; // Target item surface (we resolve overlapping targets by prioritizing the smaller surface) ImGuiID DragDropAcceptIdCurr; // Target item id (set at the time of accepting the payload) ImGuiID DragDropAcceptIdPrev; // Target item id from previous frame (we need to store this to allow for overlapping drag and drop targets) int DragDropAcceptFrameCount; // Last time a target expressed a desire to accept the source - ImVector<unsigned char> DragDropPayloadBufHeap; // We don't expose the ImVector<> directly - unsigned char DragDropPayloadBufLocal[8]; // Local buffer for small payloads + ImVector<unsigned char> DragDropPayloadBufHeap; // We don't expose the ImVector<> directly, ImGuiPayload only holds pointer+size + unsigned char DragDropPayloadBufLocal[16]; // Local buffer for small payloads + + // Tab bars + ImGuiTabBar* CurrentTabBar; + ImPool<ImGuiTabBar> TabBars; + ImVector<ImGuiPtrOrIndex> CurrentTabBarStack; + ImVector<ImGuiShrinkWidthItem> ShrinkWidthBuffer; // Widget state + ImVec2 LastValidMousePos; ImGuiInputTextState InputTextState; ImFont InputTextPasswordFont; - ImGuiID ScalarAsInputTextId; // Temporary text input when CTRL+clicking on a slider, etc. + ImGuiID TempInputTextId; // Temporary text input when CTRL+clicking on a slider, etc. ImGuiColorEditFlags ColorEditOptions; // Store user options for color edit widgets - ImVec4 ColorPickerRef; + float ColorEditLastHue; // Backup of last Hue associated to LastColor[3], so we can restore Hue in lossy RGB<>HSV round trips + float ColorEditLastSat; // Backup of last Saturation associated to LastColor[3], so we can restore Saturation in lossy RGB<>HSV round trips + float ColorEditLastColor[3]; + ImVec4 ColorPickerRef; // Initial/reference color at the time of opening the color picker. bool DragCurrentAccumDirty; float DragCurrentAccum; // Accumulator for dragging modification. Always high-precision, not rounded by end-user precision settings float DragSpeedDefaultRatio; // If speed == 0.0f, uses (max-min) * DragSpeedDefaultRatio - ImVec2 ScrollbarClickDeltaToGrabCenter; // Distance between mouse and center of grab box, normalized in parent space. Use storage? + float ScrollbarClickDeltaToGrabCenter; // Distance between mouse and center of grab box, normalized in parent space. Use storage? int TooltipOverrideCount; ImVector<char> PrivateClipboard; // If no custom clipboard handler is defined - ImVec2 PlatformImePos, PlatformImeLastPos; // Cursor position request & last passed to the OS Input Method Editor + + // Platform support + ImVec2 PlatformImePos; // Cursor position request & last passed to the OS Input Method Editor + ImVec2 PlatformImeLastPos; // Settings - bool SettingsLoaded; - float SettingsDirtyTimer; // Save .ini Settings to memory when time reaches zero - ImGuiTextBuffer SettingsIniData; // In memory .ini settings - ImVector<ImGuiSettingsHandler> SettingsHandlers; // List of .ini settings handlers - ImVector<ImGuiWindowSettings> SettingsWindows; // ImGuiWindow .ini settings entries (parsed from the last loaded .ini file and maintained on saving) + bool SettingsLoaded; + float SettingsDirtyTimer; // Save .ini Settings to memory when time reaches zero + ImGuiTextBuffer SettingsIniData; // In memory .ini settings + ImVector<ImGuiSettingsHandler> SettingsHandlers; // List of .ini settings handlers + ImChunkStream<ImGuiWindowSettings> SettingsWindows; // ImGuiWindow .ini settings entries - // Logging + // Capture/Logging bool LogEnabled; - FILE* LogFile; // If != NULL log to stdout/ file - ImGuiTextBuffer LogClipboard; // Accumulation buffer when log to clipboard. This is pointer so our GImGui static constructor doesn't call heap allocators. - int LogStartDepth; - int LogAutoExpandMaxDepth; + ImGuiLogType LogType; + ImFileHandle LogFile; // If != NULL log to stdout/ file + ImGuiTextBuffer LogBuffer; // Accumulation buffer when log to clipboard. This is pointer so our GImGui static constructor doesn't call heap allocators. + float LogLinePosY; + bool LogLineFirstItem; + int LogDepthRef; + int LogDepthToExpand; + int LogDepthToExpandDefault; // Default/stored value for LogDepthMaxExpand if not specified in the LogXXX function call. + + // Debug Tools + bool DebugItemPickerActive; + ImGuiID DebugItemPickerBreakId; // Will call IM_DEBUG_BREAK() when encountering this id // Misc float FramerateSecPerFrame[120]; // Calculate estimate of framerate for user over the last 2 seconds. @@ -791,55 +1195,59 @@ struct ImGuiContext int WantTextInputNextFrame; char TempBuffer[1024*3+1]; // Temporary text buffer - ImGuiContext(ImFontAtlas* shared_font_atlas) : OverlayDrawList(NULL) + ImGuiContext(ImFontAtlas* shared_font_atlas) : BackgroundDrawList(&DrawListSharedData), ForegroundDrawList(&DrawListSharedData) { Initialized = false; - FrameScopeActive = false; Font = NULL; FontSize = FontBaseSize = 0.0f; FontAtlasOwnedByContext = shared_font_atlas ? false : true; IO.Fonts = shared_font_atlas ? shared_font_atlas : IM_NEW(ImFontAtlas)(); - Time = 0.0f; FrameCount = 0; FrameCountEnded = FrameCountRendered = -1; + WithinFrameScope = WithinFrameScopeWithImplicitWindow = WithinEndChild = false; + WindowsActiveCount = 0; CurrentWindow = NULL; HoveredWindow = NULL; HoveredRootWindow = NULL; + MovingWindow = NULL; + WheelingWindow = NULL; + WheelingWindowTimer = 0.0f; + HoveredId = 0; HoveredIdAllowOverlap = false; HoveredIdPreviousFrame = 0; HoveredIdTimer = HoveredIdNotActiveTimer = 0.0f; ActiveId = 0; - ActiveIdPreviousFrame = 0; ActiveIdIsAlive = 0; ActiveIdTimer = 0.0f; ActiveIdIsJustActivated = false; ActiveIdAllowOverlap = false; - ActiveIdHasBeenEdited = false; - ActiveIdPreviousFrameIsAlive = false; - ActiveIdPreviousFrameHasBeenEdited = false; - ActiveIdAllowNavDirFlags = 0; + ActiveIdHasBeenPressedBefore = false; + ActiveIdHasBeenEditedBefore = false; + ActiveIdHasBeenEditedThisFrame = false; + ActiveIdUsingNavDirMask = 0x00; + ActiveIdUsingNavInputMask = 0x00; + ActiveIdUsingKeyInputMask = 0x00; ActiveIdClickOffset = ImVec2(-1,-1); - ActiveIdWindow = ActiveIdPreviousFrameWindow = NULL; + ActiveIdWindow = NULL; ActiveIdSource = ImGuiInputSource_None; + ActiveIdMouseButton = 0; + ActiveIdPreviousFrame = 0; + ActiveIdPreviousFrameIsAlive = false; + ActiveIdPreviousFrameHasBeenEditedBefore = false; + ActiveIdPreviousFrameWindow = NULL; LastActiveId = 0; LastActiveIdTimer = 0.0f; - MovingWindow = NULL; - NextTreeNodeOpenVal = false; - NextTreeNodeOpenCond = 0; NavWindow = NULL; - NavId = NavActivateId = NavActivateDownId = NavActivatePressedId = NavInputId = 0; - NavJustTabbedId = NavJustMovedToId = NavNextActivateId = 0; + NavId = NavFocusScopeId = NavActivateId = NavActivateDownId = NavActivatePressedId = NavInputId = 0; + NavJustTabbedId = NavJustMovedToId = NavJustMovedToFocusScopeId = NavNextActivateId = 0; NavInputSource = ImGuiInputSource_None; NavScoringRectScreen = ImRect(); NavScoringCount = 0; - NavWindowingTarget = NavWindowingTargetAnim = NavWindowingList = NULL; - NavWindowingTimer = NavWindowingHighlightAlpha = 0.0f; - NavWindowingToggleLayer = false; - NavLayer = 0; + NavLayer = ImGuiNavLayer_Main; NavIdTabCounter = INT_MAX; NavIdIsAlive = false; NavMousePosDirty = false; @@ -851,42 +1259,63 @@ struct ImGuiContext NavInitResultId = 0; NavMoveFromClampedRefRect = false; NavMoveRequest = false; - NavMoveRequestFlags = 0; + NavMoveRequestFlags = ImGuiNavMoveFlags_None; NavMoveRequestForward = ImGuiNavForward_None; NavMoveDir = NavMoveDirLast = NavMoveClipDir = ImGuiDir_None; + NavWindowingTarget = NavWindowingTargetAnim = NavWindowingList = NULL; + NavWindowingTimer = NavWindowingHighlightAlpha = 0.0f; + NavWindowingToggleLayer = false; + + FocusRequestCurrWindow = FocusRequestNextWindow = NULL; + FocusRequestCurrCounterRegular = FocusRequestCurrCounterTabStop = INT_MAX; + FocusRequestNextCounterRegular = FocusRequestNextCounterTabStop = INT_MAX; + FocusTabPressed = false; + DimBgRatio = 0.0f; - OverlayDrawList._Data = &DrawListSharedData; - OverlayDrawList._OwnerName = "##Overlay"; // Give it a name for debugging + BackgroundDrawList._OwnerName = "##Background"; // Give it a name for debugging + ForegroundDrawList._OwnerName = "##Foreground"; // Give it a name for debugging MouseCursor = ImGuiMouseCursor_Arrow; DragDropActive = DragDropWithinSourceOrTarget = false; - DragDropSourceFlags = 0; + DragDropSourceFlags = ImGuiDragDropFlags_None; DragDropSourceFrameCount = -1; DragDropMouseButton = -1; DragDropTargetId = 0; - DragDropAcceptFlags = 0; + DragDropAcceptFlags = ImGuiDragDropFlags_None; DragDropAcceptIdCurrRectSurface = 0.0f; DragDropAcceptIdPrev = DragDropAcceptIdCurr = 0; DragDropAcceptFrameCount = -1; memset(DragDropPayloadBufLocal, 0, sizeof(DragDropPayloadBufLocal)); - ScalarAsInputTextId = 0; + CurrentTabBar = NULL; + + LastValidMousePos = ImVec2(0.0f, 0.0f); + TempInputTextId = 0; ColorEditOptions = ImGuiColorEditFlags__OptionsDefault; + ColorEditLastHue = ColorEditLastSat = 0.0f; + ColorEditLastColor[0] = ColorEditLastColor[1] = ColorEditLastColor[2] = FLT_MAX; DragCurrentAccumDirty = false; DragCurrentAccum = 0.0f; DragSpeedDefaultRatio = 1.0f / 100.0f; - ScrollbarClickDeltaToGrabCenter = ImVec2(0.0f, 0.0f); + ScrollbarClickDeltaToGrabCenter = 0.0f; TooltipOverrideCount = 0; + PlatformImePos = PlatformImeLastPos = ImVec2(FLT_MAX, FLT_MAX); SettingsLoaded = false; SettingsDirtyTimer = 0.0f; LogEnabled = false; + LogType = ImGuiLogType_None; LogFile = NULL; - LogStartDepth = 0; - LogAutoExpandMaxDepth = 2; + LogLinePosY = FLT_MAX; + LogLineFirstItem = false; + LogDepthRef = 0; + LogDepthToExpand = LogDepthToExpandDefault = 2; + + DebugItemPickerActive = false; + DebugItemPickerBreakId = 0; memset(FramerateSecPerFrame, 0, sizeof(FramerateSecPerFrame)); FramerateSecPerFrameIdx = 0; @@ -896,51 +1325,57 @@ struct ImGuiContext } }; -// Transient per-window flags, reset at the beginning of the frame. For child window, inherited from parent on first Begin(). -// This is going to be exposed in imgui.h when stabilized enough. -enum ImGuiItemFlags_ -{ - ImGuiItemFlags_NoTabStop = 1 << 0, // false - ImGuiItemFlags_ButtonRepeat = 1 << 1, // false // Button() will return true multiple times based on io.KeyRepeatDelay and io.KeyRepeatRate settings. - ImGuiItemFlags_Disabled = 1 << 2, // false // [BETA] Disable interactions but doesn't affect visuals yet. See github.com/ocornut/imgui/issues/211 - ImGuiItemFlags_NoNav = 1 << 3, // false - ImGuiItemFlags_NoNavDefaultFocus = 1 << 4, // false - ImGuiItemFlags_SelectableDontClosePopup = 1 << 5, // false // MenuItem/Selectable() automatically closes current Popup window - ImGuiItemFlags_Default_ = 0 -}; +//----------------------------------------------------------------------------- +// ImGuiWindow +//----------------------------------------------------------------------------- // Transient per-window data, reset at the beginning of the frame. This used to be called ImGuiDrawContext, hence the DC variable name in ImGuiWindow. // FIXME: That's theory, in practice the delimitation between ImGuiWindow and ImGuiWindowTempData is quite tenuous and could be reconsidered. struct IMGUI_API ImGuiWindowTempData { - ImVec2 CursorPos; + // Layout + ImVec2 CursorPos; // Current emitting position, in absolute coordinates. ImVec2 CursorPosPrevLine; - ImVec2 CursorStartPos; // Initial position in client area with padding - ImVec2 CursorMaxPos; // Used to implicitly calculate the size of our contents, always growing during the frame. Turned into window->SizeContents at the beginning of next frame - ImVec2 CurrentLineSize; - float CurrentLineTextBaseOffset; + ImVec2 CursorStartPos; // Initial position after Begin(), generally ~ window position + WindowPadding. + ImVec2 CursorMaxPos; // Used to implicitly calculate the size of our contents, always growing during the frame. Used to calculate window->ContentSize at the beginning of next frame + ImVec2 CurrLineSize; ImVec2 PrevLineSize; + float CurrLineTextBaseOffset; // Baseline offset (0.0f by default on a new line, generally == style.FramePadding.y when a framed item has been added). float PrevLineTextBaseOffset; - float LogLinePosY; - int TreeDepth; - ImU32 TreeDepthMayJumpToParentOnPop; // Store a copy of !g.NavIdIsAlive for TreeDepth 0..31 - ImGuiID LastItemId; - ImGuiItemStatusFlags LastItemStatusFlags; - ImRect LastItemRect; // Interaction rect - ImRect LastItemDisplayRect; // End-user display rect (only valid if LastItemStatusFlags & ImGuiItemStatusFlags_HasDisplayRect) - bool NavHideHighlightOneFrame; - bool NavHasScroll; // Set when scrolling can be used (ScrollMax > 0.0f) - int NavLayerCurrent; // Current layer, 0..31 (we currently only use 0..1) + ImVec1 Indent; // Indentation / start position from left of window (increased by TreePush/TreePop, etc.) + ImVec1 ColumnsOffset; // Offset to the current column (if ColumnsCurrent > 0). FIXME: This and the above should be a stack to allow use cases like Tree->Column->Tree. Need revamp columns API. + ImVec1 GroupOffset; + + // Last item status + ImGuiID LastItemId; // ID for last item + ImGuiItemStatusFlags LastItemStatusFlags; // Status flags for last item (see ImGuiItemStatusFlags_) + ImRect LastItemRect; // Interaction rect for last item + ImRect LastItemDisplayRect; // End-user display rect for last item (only valid if LastItemStatusFlags & ImGuiItemStatusFlags_HasDisplayRect) + + // Keyboard/Gamepad navigation + ImGuiNavLayer NavLayerCurrent; // Current layer, 0..31 (we currently only use 0..1) int NavLayerCurrentMask; // = (1 << NavLayerCurrent) used by ItemAdd prior to clipping. int NavLayerActiveMask; // Which layer have been written to (result from previous frame) int NavLayerActiveMaskNext; // Which layer have been written to (buffer for current frame) + ImGuiID NavFocusScopeIdCurrent; // Current focus scope ID while appending + bool NavHideHighlightOneFrame; + bool NavHasScroll; // Set when scrolling can be used (ScrollMax > 0.0f) + + // Miscellaneous bool MenuBarAppending; // FIXME: Remove this ImVec2 MenuBarOffset; // MenuBarOffset.x is sort of equivalent of a per-layer CursorPos.x, saved/restored as we switch to the menu bar. The only situation when MenuBarOffset.y is > 0 if when (SafeAreaPadding.y > FramePadding.y), often used on TVs. + ImGuiMenuColumns MenuColumns; // Simplified columns storage for menu items measurement + int TreeDepth; // Current tree depth. + ImU32 TreeJumpToParentOnPopMask; // Store a copy of !g.NavIdIsAlive for TreeDepth 0..31.. Could be turned into a ImU64 if necessary. ImVector<ImGuiWindow*> ChildWindows; - ImGuiStorage* StateStorage; + ImGuiStorage* StateStorage; // Current persistent per-window storage (store e.g. tree node open/close state) + ImGuiColumns* CurrentColumns; // Current columns set ImGuiLayoutType LayoutType; ImGuiLayoutType ParentLayoutType; // Layout type of parent window at the time of Begin() + int FocusCounterRegular; // (Legacy Focus/Tabbing system) Sequential counter, start at -1 and increase as assigned via FocusableItemRegister() (FIXME-NAV: Needs redesign) + int FocusCounterTabStop; // (Legacy Focus/Tabbing system) Same, but only count widgets which you can Tab through. + // Local parameters stacks // We store the current settings outside of the vectors to increase memory locality (reduce cache misses). The vectors are rarely modified. Also it allows us to not heap allocate for short-lived windows which are not using those settings. ImGuiItemFlags ItemFlags; // == ItemFlagsStack.back() [empty == ImGuiItemFlags_Default] float ItemWidth; // == ItemWidthStack.back(). 0.0: default, >0.0: width in pixels, <0.0: align xx pixels to the right of window @@ -949,67 +1384,67 @@ struct IMGUI_API ImGuiWindowTempData ImVector<float> ItemWidthStack; ImVector<float> TextWrapPosStack; ImVector<ImGuiGroupData>GroupStack; - int StackSizesBackup[6]; // Store size of various stacks for asserting - - ImVec1 Indent; // Indentation / start position from left of window (increased by TreePush/TreePop, etc.) - ImVec1 GroupOffset; - ImVec1 ColumnsOffset; // Offset to the current column (if ColumnsCurrent > 0). FIXME: This and the above should be a stack to allow use cases like Tree->Column->Tree. Need revamp columns API. - ImGuiColumnsSet* ColumnsSet; // Current columns set + short StackSizesBackup[6]; // Store size of various stacks for asserting ImGuiWindowTempData() { CursorPos = CursorPosPrevLine = CursorStartPos = CursorMaxPos = ImVec2(0.0f, 0.0f); - CurrentLineSize = PrevLineSize = ImVec2(0.0f, 0.0f); - CurrentLineTextBaseOffset = PrevLineTextBaseOffset = 0.0f; - LogLinePosY = -1.0f; - TreeDepth = 0; - TreeDepthMayJumpToParentOnPop = 0x00; + CurrLineSize = PrevLineSize = ImVec2(0.0f, 0.0f); + CurrLineTextBaseOffset = PrevLineTextBaseOffset = 0.0f; + Indent = ImVec1(0.0f); + ColumnsOffset = ImVec1(0.0f); + GroupOffset = ImVec1(0.0f); + LastItemId = 0; - LastItemStatusFlags = 0; + LastItemStatusFlags = ImGuiItemStatusFlags_None; LastItemRect = LastItemDisplayRect = ImRect(); + + NavLayerActiveMask = NavLayerActiveMaskNext = 0x00; + NavLayerCurrent = ImGuiNavLayer_Main; + NavLayerCurrentMask = (1 << ImGuiNavLayer_Main); + NavFocusScopeIdCurrent = 0; NavHideHighlightOneFrame = false; NavHasScroll = false; - NavLayerActiveMask = NavLayerActiveMaskNext = 0x00; - NavLayerCurrent = 0; - NavLayerCurrentMask = 1 << 0; + MenuBarAppending = false; MenuBarOffset = ImVec2(0.0f, 0.0f); + TreeDepth = 0; + TreeJumpToParentOnPopMask = 0x00; StateStorage = NULL; + CurrentColumns = NULL; LayoutType = ParentLayoutType = ImGuiLayoutType_Vertical; - ItemWidth = 0.0f; + FocusCounterRegular = FocusCounterTabStop = -1; + ItemFlags = ImGuiItemFlags_Default_; + ItemWidth = 0.0f; TextWrapPos = -1.0f; memset(StackSizesBackup, 0, sizeof(StackSizesBackup)); - - Indent = ImVec1(0.0f); - GroupOffset = ImVec1(0.0f); - ColumnsOffset = ImVec1(0.0f); - ColumnsSet = NULL; } }; // Storage for one window struct IMGUI_API ImGuiWindow { - char* Name; - ImGuiID ID; // == ImHash(Name) + char* Name; // Window name, owned by the window. + ImGuiID ID; // == ImHashStr(Name) ImGuiWindowFlags Flags; // See enum ImGuiWindowFlags_ ImVec2 Pos; // Position (always rounded-up to nearest pixel) ImVec2 Size; // Current size (==SizeFull or collapsed title bar size) ImVec2 SizeFull; // Size when non collapsed - ImVec2 SizeFullAtLastBegin; // Copy of SizeFull at the end of Begin. This is the reference value we'll use on the next frame to decide if we need scrollbars. - ImVec2 SizeContents; // Size of contents (== extents reach of the drawing cursor) from previous frame. Include decoration, window title, border, menu, etc. - ImVec2 SizeContentsExplicit; // Size of contents explicitly set by the user via SetNextWindowContentSize() - ImVec2 WindowPadding; // Window padding at the time of begin. - float WindowRounding; // Window rounding at the time of begin. - float WindowBorderSize; // Window border size at the time of begin. + ImVec2 ContentSize; // Size of contents/scrollable client area (calculated from the extents reach of the cursor) from previous frame. Does not include window decoration or window padding. + ImVec2 ContentSizeExplicit; // Size of contents/scrollable client area explicitly request by the user via SetNextWindowContentSize(). + ImVec2 WindowPadding; // Window padding at the time of Begin(). + float WindowRounding; // Window rounding at the time of Begin(). + float WindowBorderSize; // Window border size at the time of Begin(). + int NameBufLen; // Size of buffer storing Name. May be larger than strlen(Name)! ImGuiID MoveId; // == window->GetID("#MOVE") ImGuiID ChildId; // ID of corresponding item in parent window (for navigation to return from child window to parent window) ImVec2 Scroll; + ImVec2 ScrollMax; ImVec2 ScrollTarget; // target scroll position. stored as cursor position with scrolling canceled out, so the highest point is always 0.0f. (FLT_MAX for no change) ImVec2 ScrollTargetCenterRatio; // 0.0f = scroll so that target position is at top, 0.5f = scroll so that target position is centered ImVec2 ScrollbarSizes; // Size taken by scrollbars on each axis - bool ScrollbarX, ScrollbarY; + bool ScrollbarX, ScrollbarY; // Are scrollbars visible? bool Active; // Set to true on Begin(), unless Collapsed bool WasActive; bool WriteAccessed; // Set to true when any widget access the current window @@ -1017,37 +1452,45 @@ struct IMGUI_API ImGuiWindow bool WantCollapseToggle; bool SkipItems; // Set when items can safely be all clipped (e.g. window not visible or collapsed) bool Appearing; // Set during the frame where the window is appearing (or re-appearing) - bool Hidden; // Do not display (== (HiddenFramesForResize > 0) || + bool Hidden; // Do not display (== (HiddenFrames*** > 0)) + bool IsFallbackWindow; // Set on the "Debug##Default" window. bool HasCloseButton; // Set when the window has a close button (p_open != NULL) - int BeginCount; // Number of Begin() during the current frame (generally 0 or 1, 1+ if appending via multiple Begin/End pairs) - int BeginOrderWithinParent; // Order within immediate parent window, if we are a child window. Otherwise 0. - int BeginOrderWithinContext; // Order within entire imgui context. This is mostly used for debugging submission order related issues. + signed char ResizeBorderHeld; // Current border being held for resize (-1: none, otherwise 0-3) + short BeginCount; // Number of Begin() during the current frame (generally 0 or 1, 1+ if appending via multiple Begin/End pairs) + short BeginOrderWithinParent; // Order within immediate parent window, if we are a child window. Otherwise 0. + short BeginOrderWithinContext; // Order within entire imgui context. This is mostly used for debugging submission order related issues. ImGuiID PopupId; // ID in the popup stack when this window is used as a popup/menu (because we use generic Name/ID for recycling) - int AutoFitFramesX, AutoFitFramesY; + ImS8 AutoFitFramesX, AutoFitFramesY; + ImS8 AutoFitChildAxises; bool AutoFitOnlyGrows; - int AutoFitChildAxises; ImGuiDir AutoPosLastDirection; - int HiddenFramesRegular; // Hide the window for N frames - int HiddenFramesForResize; // Hide the window for N frames while allowing items to be submitted so we can measure their size + int HiddenFramesCanSkipItems; // Hide the window for N frames + int HiddenFramesCannotSkipItems; // Hide the window for N frames while allowing items to be submitted so we can measure their size ImGuiCond SetWindowPosAllowFlags; // store acceptable condition flags for SetNextWindowPos() use. ImGuiCond SetWindowSizeAllowFlags; // store acceptable condition flags for SetNextWindowSize() use. ImGuiCond SetWindowCollapsedAllowFlags; // store acceptable condition flags for SetNextWindowCollapsed() use. ImVec2 SetWindowPosVal; // store window position when using a non-zero Pivot (position set needs to be processed when we know the window size) ImVec2 SetWindowPosPivot; // store window pivot for positioning. ImVec2(0,0) when positioning from top-left corner; ImVec2(0.5f,0.5f) for centering; ImVec2(1,1) for bottom right. + ImVector<ImGuiID> IDStack; // ID stack. ID are hashes seeded with the value at the top of the stack. (In theory this should be in the TempData structure) ImGuiWindowTempData DC; // Temporary per-window data, reset at the beginning of the frame. This used to be called ImGuiDrawContext, hence the "DC" variable name. - ImVector<ImGuiID> IDStack; // ID stack. ID are hashes seeded with the value at the top of the stack - ImRect ClipRect; // Current clipping rectangle. = DrawList->clip_rect_stack.back(). Scissoring / clipping rectangle. x1, y1, x2, y2. - ImRect OuterRectClipped; // = WindowRect just after setup in Begin(). == window->Rect() for root window. - ImRect InnerMainRect, InnerClipRect; - ImRect ContentsRegionRect; // FIXME: This is currently confusing/misleading. Maximum visible content position ~~ Pos + (SizeContentsExplicit ? SizeContentsExplicit : Size - ScrollbarSizes) - CursorStartPos, per axis + + // The best way to understand what those rectangles are is to use the 'Metrics -> Tools -> Show windows rectangles' viewer. + // The main 'OuterRect', omitted as a field, is window->Rect(). + ImRect OuterRectClipped; // == Window->Rect() just after setup in Begin(). == window->Rect() for root window. + ImRect InnerRect; // Inner rectangle (omit title bar, menu bar, scroll bar) + ImRect InnerClipRect; // == InnerRect shrunk by WindowPadding*0.5f on each side, clipped within viewport or parent clip rect. + ImRect WorkRect; // Cover the whole scrolling region, shrunk by WindowPadding*1.0f on each side. This is meant to replace ContentRegionRect over time (from 1.71+ onward). + ImRect ClipRect; // Current clipping/scissoring rectangle, evolve as we are using PushClipRect(), etc. == DrawList->clip_rect_stack.back(). + ImRect ContentRegionRect; // FIXME: This is currently confusing/misleading. It is essentially WorkRect but not handling of scrolling. We currently rely on it as right/bottom aligned sizing operation need some size to rely on. + int LastFrameActive; // Last frame number the window was Active. + float LastTimeActive; // Last timestamp the window was Active (using float as we don't need high precision there) float ItemWidthDefault; - ImGuiMenuColumns MenuColumns; // Simplified columns storage for menu items ImGuiStorage StateStorage; - ImVector<ImGuiColumnsSet> ColumnsStorage; - float FontWindowScale; // User scale multiplier per-window - int SettingsIdx; // Index into SettingsWindow[] (indices are always valid as we only grow the array from the back) + ImVector<ImGuiColumns> ColumnsStorage; + float FontWindowScale; // User scale multiplier per-window, via SetWindowFontScale() + int SettingsOffset; // Offset into SettingsWindows[] (offsets are always valid as we only grow the array from the back) ImDrawList* DrawList; // == &DrawListInst (for backward compatibility reason with code using imgui_internal.h we keep this a pointer) ImDrawList DrawListInst; @@ -1057,17 +1500,12 @@ struct IMGUI_API ImGuiWindow ImGuiWindow* RootWindowForNav; // Point to ourself or first ancestor which doesn't have the NavFlattened flag. ImGuiWindow* NavLastChildNavWindow; // When going to the menu bar, we remember the child window we came from. (This could probably be made implicit if we kept g.Windows sorted by last focused including child window.) - ImGuiID NavLastIds[2]; // Last known NavId for this window, per layer (0/1) - ImRect NavRectRel[2]; // Reference rectangle, in window relative space - - // Navigation / Focus - // FIXME-NAV: Merge all this with the new Nav system, at least the request variables should be moved to ImGuiContext - int FocusIdxAllCounter; // Start at -1 and increase as assigned via FocusItemRegister() - int FocusIdxTabCounter; // (same, but only count widgets which you can Tab through) - int FocusIdxAllRequestCurrent; // Item being requested for focus - int FocusIdxTabRequestCurrent; // Tab-able item being requested for focus - int FocusIdxAllRequestNext; // Item being requested for focus, for next update (relies on layout to be stable between the frame pressing TAB and the next frame) - int FocusIdxTabRequestNext; // " + ImGuiID NavLastIds[ImGuiNavLayer_COUNT]; // Last known NavId for this window, per layer (0/1) + ImRect NavRectRel[ImGuiNavLayer_COUNT]; // Reference rectangle, in window relative space + + bool MemoryCompacted; + int MemoryDrawListIdxCapacity; + int MemoryDrawListVtxCapacity; public: ImGuiWindow(ImGuiContext* context, const char* name); @@ -1075,17 +1513,19 @@ public: ImGuiID GetID(const char* str, const char* str_end = NULL); ImGuiID GetID(const void* ptr); + ImGuiID GetID(int n); ImGuiID GetIDNoKeepAlive(const char* str, const char* str_end = NULL); ImGuiID GetIDNoKeepAlive(const void* ptr); + ImGuiID GetIDNoKeepAlive(int n); ImGuiID GetIDFromRectangle(const ImRect& r_abs); // We don't use g.FontSize because the window may be != g.CurrentWidow. - ImRect Rect() const { return ImRect(Pos.x, Pos.y, Pos.x+Size.x, Pos.y+Size.y); } - float CalcFontSize() const { return GImGui->FontBaseSize * FontWindowScale; } - float TitleBarHeight() const { return (Flags & ImGuiWindowFlags_NoTitleBar) ? 0.0f : CalcFontSize() + GImGui->Style.FramePadding.y * 2.0f; } - ImRect TitleBarRect() const { return ImRect(Pos, ImVec2(Pos.x + SizeFull.x, Pos.y + TitleBarHeight())); } - float MenuBarHeight() const { return (Flags & ImGuiWindowFlags_MenuBar) ? DC.MenuBarOffset.y + CalcFontSize() + GImGui->Style.FramePadding.y * 2.0f : 0.0f; } - ImRect MenuBarRect() const { float y1 = Pos.y + TitleBarHeight(); return ImRect(Pos.x, y1, Pos.x + SizeFull.x, y1 + MenuBarHeight()); } + ImRect Rect() const { return ImRect(Pos.x, Pos.y, Pos.x+Size.x, Pos.y+Size.y); } + float CalcFontSize() const { ImGuiContext& g = *GImGui; float scale = g.FontBaseSize * FontWindowScale; if (ParentWindow) scale *= ParentWindow->FontWindowScale; return scale; } + float TitleBarHeight() const { ImGuiContext& g = *GImGui; return (Flags & ImGuiWindowFlags_NoTitleBar) ? 0.0f : CalcFontSize() + g.Style.FramePadding.y * 2.0f; } + ImRect TitleBarRect() const { return ImRect(Pos, ImVec2(Pos.x + SizeFull.x, Pos.y + TitleBarHeight())); } + float MenuBarHeight() const { ImGuiContext& g = *GImGui; return (Flags & ImGuiWindowFlags_MenuBar) ? DC.MenuBarOffset.y + CalcFontSize() + g.Style.FramePadding.y * 2.0f : 0.0f; } + ImRect MenuBarRect() const { float y1 = Pos.y + TitleBarHeight(); return ImRect(Pos.x, y1, Pos.x + SizeFull.x, y1 + MenuBarHeight()); } }; // Backup and restore just enough data to be able to use IsItemHovered() on item A after another B in the same window has overwritten the data. @@ -1102,35 +1542,111 @@ struct ImGuiItemHoveredDataBackup }; //----------------------------------------------------------------------------- +// Tab bar, tab item +//----------------------------------------------------------------------------- + +// Extend ImGuiTabBarFlags_ +enum ImGuiTabBarFlagsPrivate_ +{ + ImGuiTabBarFlags_DockNode = 1 << 20, // Part of a dock node [we don't use this in the master branch but it facilitate branch syncing to keep this around] + ImGuiTabBarFlags_IsFocused = 1 << 21, + ImGuiTabBarFlags_SaveSettings = 1 << 22 // FIXME: Settings are handled by the docking system, this only request the tab bar to mark settings dirty when reordering tabs +}; + +// Extend ImGuiTabItemFlags_ +enum ImGuiTabItemFlagsPrivate_ +{ + ImGuiTabItemFlags_NoCloseButton = 1 << 20 // Track whether p_open was set or not (we'll need this info on the next frame to recompute ContentWidth during layout) +}; + +// Storage for one active tab item (sizeof() 26~32 bytes) +struct ImGuiTabItem +{ + ImGuiID ID; + ImGuiTabItemFlags Flags; + int LastFrameVisible; + int LastFrameSelected; // This allows us to infer an ordered list of the last activated tabs with little maintenance + int NameOffset; // When Window==NULL, offset to name within parent ImGuiTabBar::TabsNames + float Offset; // Position relative to beginning of tab + float Width; // Width currently displayed + float ContentWidth; // Width of actual contents, stored during BeginTabItem() call + + ImGuiTabItem() { ID = 0; Flags = ImGuiTabItemFlags_None; LastFrameVisible = LastFrameSelected = -1; NameOffset = -1; Offset = Width = ContentWidth = 0.0f; } +}; + +// Storage for a tab bar (sizeof() 92~96 bytes) +struct ImGuiTabBar +{ + ImVector<ImGuiTabItem> Tabs; + ImGuiID ID; // Zero for tab-bars used by docking + ImGuiID SelectedTabId; // Selected tab/window + ImGuiID NextSelectedTabId; + ImGuiID VisibleTabId; // Can occasionally be != SelectedTabId (e.g. when previewing contents for CTRL+TAB preview) + int CurrFrameVisible; + int PrevFrameVisible; + ImRect BarRect; + float LastTabContentHeight; // Record the height of contents submitted below the tab bar + float OffsetMax; // Distance from BarRect.Min.x, locked during layout + float OffsetMaxIdeal; // Ideal offset if all tabs were visible and not clipped + float OffsetNextTab; // Distance from BarRect.Min.x, incremented with each BeginTabItem() call, not used if ImGuiTabBarFlags_Reorderable if set. + float ScrollingAnim; + float ScrollingTarget; + float ScrollingTargetDistToVisibility; + float ScrollingSpeed; + ImGuiTabBarFlags Flags; + ImGuiID ReorderRequestTabId; + ImS8 ReorderRequestDir; + bool WantLayout; + bool VisibleTabWasSubmitted; + short LastTabItemIdx; // For BeginTabItem()/EndTabItem() + ImVec2 FramePadding; // style.FramePadding locked at the time of BeginTabBar() + ImGuiTextBuffer TabsNames; // For non-docking tab bar we re-append names in a contiguous buffer. + + ImGuiTabBar(); + int GetTabOrder(const ImGuiTabItem* tab) const { return Tabs.index_from_ptr(tab); } + const char* GetTabName(const ImGuiTabItem* tab) const + { + IM_ASSERT(tab->NameOffset != -1 && tab->NameOffset < TabsNames.Buf.Size); + return TabsNames.Buf.Data + tab->NameOffset; + } +}; + +//----------------------------------------------------------------------------- // Internal API // No guarantee of forward compatibility here. //----------------------------------------------------------------------------- namespace ImGui { + // Windows // We should always have a CurrentWindow in the stack (there is an implicit "Debug" window) // If this ever crash because g.CurrentWindow is NULL it means that either // - ImGui::NewFrame() has never been called, which is illegal. // - You are calling ImGui functions after ImGui::EndFrame()/ImGui::Render() and before the next ImGui::NewFrame(), which is also illegal. inline ImGuiWindow* GetCurrentWindowRead() { ImGuiContext& g = *GImGui; return g.CurrentWindow; } inline ImGuiWindow* GetCurrentWindow() { ImGuiContext& g = *GImGui; g.CurrentWindow->WriteAccessed = true; return g.CurrentWindow; } + IMGUI_API ImGuiWindow* FindWindowByID(ImGuiID id); IMGUI_API ImGuiWindow* FindWindowByName(const char* name); - IMGUI_API void FocusWindow(ImGuiWindow* window); - IMGUI_API void FocusPreviousWindowIgnoringOne(ImGuiWindow* ignore_window); - IMGUI_API void BringWindowToFocusFront(ImGuiWindow* window); - IMGUI_API void BringWindowToDisplayFront(ImGuiWindow* window); - IMGUI_API void BringWindowToDisplayBack(ImGuiWindow* window); IMGUI_API void UpdateWindowParentAndRootLinks(ImGuiWindow* window, ImGuiWindowFlags flags, ImGuiWindow* parent_window); IMGUI_API ImVec2 CalcWindowExpectedSize(ImGuiWindow* window); IMGUI_API bool IsWindowChildOf(ImGuiWindow* window, ImGuiWindow* potential_parent); IMGUI_API bool IsWindowNavFocusable(ImGuiWindow* window); - IMGUI_API void SetWindowScrollX(ImGuiWindow* window, float new_scroll_x); - IMGUI_API void SetWindowScrollY(ImGuiWindow* window, float new_scroll_y); - IMGUI_API float GetWindowScrollMaxX(ImGuiWindow* window); - IMGUI_API float GetWindowScrollMaxY(ImGuiWindow* window); IMGUI_API ImRect GetWindowAllowedExtentRect(ImGuiWindow* window); + IMGUI_API void SetWindowPos(ImGuiWindow* window, const ImVec2& pos, ImGuiCond cond = 0); + IMGUI_API void SetWindowSize(ImGuiWindow* window, const ImVec2& size, ImGuiCond cond = 0); + IMGUI_API void SetWindowCollapsed(ImGuiWindow* window, bool collapsed, ImGuiCond cond = 0); + + // Windows: Display Order and Focus Order + IMGUI_API void FocusWindow(ImGuiWindow* window); + IMGUI_API void FocusTopMostWindowUnderOne(ImGuiWindow* under_this_window, ImGuiWindow* ignore_window); + IMGUI_API void BringWindowToFocusFront(ImGuiWindow* window); + IMGUI_API void BringWindowToDisplayFront(ImGuiWindow* window); + IMGUI_API void BringWindowToDisplayBack(ImGuiWindow* window); + + // Fonts, drawing IMGUI_API void SetCurrentFont(ImFont* font); inline ImFont* GetDefaultFont() { ImGuiContext& g = *GImGui; return g.IO.FontDefault ? g.IO.FontDefault : g.IO.Fonts->Fonts[0]; } + inline ImDrawList* GetForegroundDrawList(ImGuiWindow* window) { IM_UNUSED(window); ImGuiContext& g = *GImGui; return &g.ForegroundDrawList; } // This seemingly unnecessary wrapper simplifies compatibility between the 'master' and 'docking' branches. // Init IMGUI_API void Initialize(ImGuiContext* context); @@ -1139,17 +1655,27 @@ namespace ImGui // NewFrame IMGUI_API void UpdateHoveredWindowAndCaptureFlags(); IMGUI_API void StartMouseMovingWindow(ImGuiWindow* window); - IMGUI_API void UpdateMouseMovingWindow(); + IMGUI_API void UpdateMouseMovingWindowNewFrame(); + IMGUI_API void UpdateMouseMovingWindowEndFrame(); // Settings IMGUI_API void MarkIniSettingsDirty(); IMGUI_API void MarkIniSettingsDirty(ImGuiWindow* window); IMGUI_API ImGuiWindowSettings* CreateNewWindowSettings(const char* name); IMGUI_API ImGuiWindowSettings* FindWindowSettings(ImGuiID id); + IMGUI_API ImGuiWindowSettings* FindOrCreateWindowSettings(const char* name); IMGUI_API ImGuiSettingsHandler* FindSettingsHandler(const char* type_name); + // Scrolling + IMGUI_API void SetScrollX(ImGuiWindow* window, float new_scroll_x); + IMGUI_API void SetScrollY(ImGuiWindow* window, float new_scroll_y); + IMGUI_API void SetScrollFromPosX(ImGuiWindow* window, float local_x, float center_x_ratio = 0.5f); + IMGUI_API void SetScrollFromPosY(ImGuiWindow* window, float local_y, float center_y_ratio = 0.5f); + IMGUI_API ImVec2 ScrollToBringRectIntoView(ImGuiWindow* window, const ImRect& item_rect); + // Basic Accessors inline ImGuiID GetItemID() { ImGuiContext& g = *GImGui; return g.CurrentWindow->DC.LastItemId; } + inline ImGuiItemStatusFlags GetItemStatusFlags() { ImGuiContext& g = *GImGui; return g.CurrentWindow->DC.LastItemStatusFlags; } inline ImGuiID GetActiveID() { ImGuiContext& g = *GImGui; return g.ActiveId; } inline ImGuiID GetFocusID() { ImGuiContext& g = *GImGui; return g.NavId; } IMGUI_API void SetActiveID(ImGuiID id, ImGuiWindow* window); @@ -1158,31 +1684,39 @@ namespace ImGui IMGUI_API ImGuiID GetHoveredID(); IMGUI_API void SetHoveredID(ImGuiID id); IMGUI_API void KeepAliveID(ImGuiID id); - IMGUI_API void MarkItemEdited(ImGuiID id); + IMGUI_API void MarkItemEdited(ImGuiID id); // Mark data associated to given item as "edited", used by IsItemDeactivatedAfterEdit() function. + IMGUI_API void PushOverrideID(ImGuiID id); // Push given value at the top of the ID stack (whereas PushID combines old and new hashes) // Basic Helpers for widget code - IMGUI_API void ItemSize(const ImVec2& size, float text_offset_y = 0.0f); - IMGUI_API void ItemSize(const ImRect& bb, float text_offset_y = 0.0f); + IMGUI_API void ItemSize(const ImVec2& size, float text_baseline_y = -1.0f); + IMGUI_API void ItemSize(const ImRect& bb, float text_baseline_y = -1.0f); IMGUI_API bool ItemAdd(const ImRect& bb, ImGuiID id, const ImRect* nav_bb = NULL); IMGUI_API bool ItemHoverable(const ImRect& bb, ImGuiID id); IMGUI_API bool IsClippedEx(const ImRect& bb, ImGuiID id, bool clip_even_when_logged); - IMGUI_API bool FocusableItemRegister(ImGuiWindow* window, ImGuiID id, bool tab_stop = true); // Return true if focus is requested + IMGUI_API bool FocusableItemRegister(ImGuiWindow* window, ImGuiID id); // Return true if focus is requested IMGUI_API void FocusableItemUnregister(ImGuiWindow* window); - IMGUI_API ImVec2 CalcItemSize(ImVec2 size, float default_x, float default_y); + IMGUI_API ImVec2 CalcItemSize(ImVec2 size, float default_w, float default_h); IMGUI_API float CalcWrapWidthForPos(const ImVec2& pos, float wrap_pos_x); - IMGUI_API void PushMultiItemsWidths(int components, float width_full = 0.0f); + IMGUI_API void PushMultiItemsWidths(int components, float width_full); IMGUI_API void PushItemFlag(ImGuiItemFlags option, bool enabled); IMGUI_API void PopItemFlag(); + IMGUI_API bool IsItemToggledSelection(); // Was the last item selection toggled? (after Selectable(), TreeNode() etc. We only returns toggle _event_ in order to handle clipping correctly) + IMGUI_API ImVec2 GetContentRegionMaxAbs(); + IMGUI_API void ShrinkWidths(ImGuiShrinkWidthItem* items, int count, float width_excess); + + // Logging/Capture + IMGUI_API void LogBegin(ImGuiLogType type, int auto_open_depth); // -> BeginCapture() when we design v2 api, for now stay under the radar by using the old name. + IMGUI_API void LogToBuffer(int auto_open_depth = -1); // Start logging/capturing to internal buffer // Popups, Modals, Tooltips + IMGUI_API bool BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags flags); IMGUI_API void OpenPopupEx(ImGuiID id); - IMGUI_API void ClosePopup(ImGuiID id); - IMGUI_API void ClosePopupToLevel(int remaining); - IMGUI_API void ClosePopupsOverWindow(ImGuiWindow* ref_window); - IMGUI_API bool IsPopupOpen(ImGuiID id); + IMGUI_API void ClosePopupToLevel(int remaining, bool restore_focus_to_window_under_popup); + IMGUI_API void ClosePopupsOverWindow(ImGuiWindow* ref_window, bool restore_focus_to_window_under_popup); + IMGUI_API bool IsPopupOpen(ImGuiID id); // Test for id within current popup stack level (currently begin-ed into); this doesn't scan the whole popup stack! IMGUI_API bool BeginPopupEx(ImGuiID id, ImGuiWindowFlags extra_flags); - IMGUI_API void BeginTooltipEx(ImGuiWindowFlags extra_flags, bool override_previous_tooltip = true); - IMGUI_API ImGuiWindow* GetFrontMostPopupModal(); + IMGUI_API void BeginTooltipEx(ImGuiWindowFlags extra_flags, ImGuiTooltipFlags tooltip_flags); + IMGUI_API ImGuiWindow* GetTopMostPopupModal(); IMGUI_API ImVec2 FindBestWindowPosForPopup(ImGuiWindow* window); IMGUI_API ImVec2 FindBestWindowPosForPopupEx(const ImVec2& ref_pos, const ImVec2& size, ImGuiDir* last_dir, const ImRect& r_outer, const ImRect& r_avoid, ImGuiPopupPositionPolicy policy = ImGuiPopupPositionPolicy_Default); @@ -1194,26 +1728,52 @@ namespace ImGui IMGUI_API void NavMoveRequestTryWrapping(ImGuiWindow* window, ImGuiNavMoveFlags move_flags); IMGUI_API float GetNavInputAmount(ImGuiNavInput n, ImGuiInputReadMode mode); IMGUI_API ImVec2 GetNavInputAmount2d(ImGuiNavDirSourceFlags dir_sources, ImGuiInputReadMode mode, float slow_factor = 0.0f, float fast_factor = 0.0f); - IMGUI_API int CalcTypematicPressedRepeatAmount(float t, float t_prev, float repeat_delay, float repeat_rate); + IMGUI_API int CalcTypematicRepeatAmount(float t0, float t1, float repeat_delay, float repeat_rate); IMGUI_API void ActivateItem(ImGuiID id); // Remotely activate a button, checkbox, tree node etc. given its unique ID. activation is queued and processed on the next frame when the item is encountered again. - IMGUI_API void SetNavID(ImGuiID id, int nav_layer); - IMGUI_API void SetNavIDWithRectRel(ImGuiID id, int nav_layer, const ImRect& rect_rel); + IMGUI_API void SetNavID(ImGuiID id, int nav_layer, ImGuiID focus_scope_id); + IMGUI_API void SetNavIDWithRectRel(ImGuiID id, int nav_layer, ImGuiID focus_scope_id, const ImRect& rect_rel); + + // Focus scope (WIP) + IMGUI_API void PushFocusScope(ImGuiID id); // Note: this is storing in same stack as IDStack, so Push/Pop mismatch will be reported there. + IMGUI_API void PopFocusScope(); + inline ImGuiID GetFocusScopeID() { ImGuiContext& g = *GImGui; return g.NavFocusScopeId; } // Inputs - inline bool IsKeyPressedMap(ImGuiKey key, bool repeat = true) { const int key_index = GImGui->IO.KeyMap[key]; return (key_index >= 0) ? IsKeyPressed(key_index, repeat) : false; } - inline bool IsNavInputDown(ImGuiNavInput n) { return GImGui->IO.NavInputs[n] > 0.0f; } - inline bool IsNavInputPressed(ImGuiNavInput n, ImGuiInputReadMode mode) { return GetNavInputAmount(n, mode) > 0.0f; } - inline bool IsNavInputPressedAnyOfTwo(ImGuiNavInput n1, ImGuiNavInput n2, ImGuiInputReadMode mode) { return (GetNavInputAmount(n1, mode) + GetNavInputAmount(n2, mode)) > 0.0f; } + // FIXME: Eventually we should aim to move e.g. IsActiveIdUsingKey() into IsKeyXXX functions. + inline bool IsActiveIdUsingNavDir(ImGuiDir dir) { ImGuiContext& g = *GImGui; return (g.ActiveIdUsingNavDirMask & (1 << dir)) != 0; } + inline bool IsActiveIdUsingNavInput(ImGuiNavInput input) { ImGuiContext& g = *GImGui; return (g.ActiveIdUsingNavInputMask & (1 << input)) != 0; } + inline bool IsActiveIdUsingKey(ImGuiKey key) { ImGuiContext& g = *GImGui; IM_ASSERT(key < 64); return (g.ActiveIdUsingKeyInputMask & ((ImU64)1 << key)) != 0; } + IMGUI_API bool IsMouseDragPastThreshold(ImGuiMouseButton button, float lock_threshold = -1.0f); + inline bool IsKeyPressedMap(ImGuiKey key, bool repeat = true) { ImGuiContext& g = *GImGui; const int key_index = g.IO.KeyMap[key]; return (key_index >= 0) ? IsKeyPressed(key_index, repeat) : false; } + inline bool IsNavInputDown(ImGuiNavInput n) { ImGuiContext& g = *GImGui; return g.IO.NavInputs[n] > 0.0f; } + inline bool IsNavInputTest(ImGuiNavInput n, ImGuiInputReadMode rm) { return (GetNavInputAmount(n, rm) > 0.0f); } // Drag and Drop IMGUI_API bool BeginDragDropTargetCustom(const ImRect& bb, ImGuiID id); IMGUI_API void ClearDragDrop(); IMGUI_API bool IsDragDropPayloadBeingAccepted(); - // New Columns API (FIXME-WIP) + // Internal Columns API (this is not exposed because we will encourage transitioning to the Tables api) IMGUI_API void BeginColumns(const char* str_id, int count, ImGuiColumnsFlags flags = 0); // setup number of columns. use an identifier to distinguish multiple column sets. close with EndColumns(). IMGUI_API void EndColumns(); // close columns - IMGUI_API void PushColumnClipRect(int column_index = -1); + IMGUI_API void PushColumnClipRect(int column_index); + IMGUI_API void PushColumnsBackground(); + IMGUI_API void PopColumnsBackground(); + IMGUI_API ImGuiID GetColumnsID(const char* str_id, int count); + IMGUI_API ImGuiColumns* FindOrCreateColumns(ImGuiWindow* window, ImGuiID id); + IMGUI_API float GetColumnOffsetFromNorm(const ImGuiColumns* columns, float offset_norm); + IMGUI_API float GetColumnNormFromOffset(const ImGuiColumns* columns, float offset); + + // Tab Bars + IMGUI_API bool BeginTabBarEx(ImGuiTabBar* tab_bar, const ImRect& bb, ImGuiTabBarFlags flags); + IMGUI_API ImGuiTabItem* TabBarFindTabByID(ImGuiTabBar* tab_bar, ImGuiID tab_id); + IMGUI_API void TabBarRemoveTab(ImGuiTabBar* tab_bar, ImGuiID tab_id); + IMGUI_API void TabBarCloseTab(ImGuiTabBar* tab_bar, ImGuiTabItem* tab); + IMGUI_API void TabBarQueueChangeTabOrder(ImGuiTabBar* tab_bar, const ImGuiTabItem* tab, int dir); + IMGUI_API bool TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open, ImGuiTabItemFlags flags); + IMGUI_API ImVec2 TabItemCalcSize(const char* label, bool has_close_button); + IMGUI_API void TabItemBackground(ImDrawList* draw_list, const ImRect& bb, ImGuiTabItemFlags flags, ImU32 col); + IMGUI_API bool TabItemLabelAndCloseButton(ImDrawList* draw_list, const ImRect& bb, ImGuiTabItemFlags flags, ImVec2 frame_padding, const char* label, ImGuiID tab_id, ImGuiID close_button_id); // Render helpers // AVOID USING OUTSIDE OF IMGUI.CPP! NOT FOR PUBLIC CONSUMPTION. THOSE FUNCTIONS ARE A MESS. THEIR SIGNATURE AND BEHAVIOR WILL CHANGE, THEY NEED TO BE REFACTORED INTO SOMETHING DECENT. @@ -1221,49 +1781,68 @@ namespace ImGui IMGUI_API void RenderText(ImVec2 pos, const char* text, const char* text_end = NULL, bool hide_text_after_hash = true); IMGUI_API void RenderTextWrapped(ImVec2 pos, const char* text, const char* text_end, float wrap_width); IMGUI_API void RenderTextClipped(const ImVec2& pos_min, const ImVec2& pos_max, const char* text, const char* text_end, const ImVec2* text_size_if_known, const ImVec2& align = ImVec2(0,0), const ImRect* clip_rect = NULL); + IMGUI_API void RenderTextClippedEx(ImDrawList* draw_list, const ImVec2& pos_min, const ImVec2& pos_max, const char* text, const char* text_end, const ImVec2* text_size_if_known, const ImVec2& align = ImVec2(0, 0), const ImRect* clip_rect = NULL); + IMGUI_API void RenderTextEllipsis(ImDrawList* draw_list, const ImVec2& pos_min, const ImVec2& pos_max, float clip_max_x, float ellipsis_max_x, const char* text, const char* text_end, const ImVec2* text_size_if_known); IMGUI_API void RenderFrame(ImVec2 p_min, ImVec2 p_max, ImU32 fill_col, bool border = true, float rounding = 0.0f); IMGUI_API void RenderFrameBorder(ImVec2 p_min, ImVec2 p_max, float rounding = 0.0f); IMGUI_API void RenderColorRectWithAlphaCheckerboard(ImVec2 p_min, ImVec2 p_max, ImU32 fill_col, float grid_step, ImVec2 grid_off, float rounding = 0.0f, int rounding_corners_flags = ~0); - IMGUI_API void RenderArrow(ImVec2 pos, ImGuiDir dir, float scale = 1.0f); - IMGUI_API void RenderBullet(ImVec2 pos); IMGUI_API void RenderCheckMark(ImVec2 pos, ImU32 col, float sz); IMGUI_API void RenderNavHighlight(const ImRect& bb, ImGuiID id, ImGuiNavHighlightFlags flags = ImGuiNavHighlightFlags_TypeDefault); // Navigation highlight IMGUI_API const char* FindRenderedTextEnd(const char* text, const char* text_end = NULL); // Find the optional ## from which we stop displaying text. IMGUI_API void LogRenderedText(const ImVec2* ref_pos, const char* text, const char* text_end = NULL); // Render helpers (those functions don't access any ImGui state!) - IMGUI_API void RenderMouseCursor(ImDrawList* draw_list, ImVec2 pos, float scale, ImGuiMouseCursor mouse_cursor = ImGuiMouseCursor_Arrow); + IMGUI_API void RenderArrow(ImDrawList* draw_list, ImVec2 pos, ImU32 col, ImGuiDir dir, float scale = 1.0f); + IMGUI_API void RenderBullet(ImDrawList* draw_list, ImVec2 pos, ImU32 col); + IMGUI_API void RenderMouseCursor(ImDrawList* draw_list, ImVec2 pos, float scale, ImGuiMouseCursor mouse_cursor, ImU32 col_fill, ImU32 col_border, ImU32 col_shadow); IMGUI_API void RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col); IMGUI_API void RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding); +#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS + // [1.71: 2019/06/07: Updating prototypes of some of the internal functions. Leaving those for reference for a short while] + inline void RenderArrow(ImVec2 pos, ImGuiDir dir, float scale=1.0f) { ImGuiWindow* window = GetCurrentWindow(); RenderArrow(window->DrawList, pos, GetColorU32(ImGuiCol_Text), dir, scale); } + inline void RenderBullet(ImVec2 pos) { ImGuiWindow* window = GetCurrentWindow(); RenderBullet(window->DrawList, pos, GetColorU32(ImGuiCol_Text)); } +#endif + // Widgets + IMGUI_API void TextEx(const char* text, const char* text_end = NULL, ImGuiTextFlags flags = 0); IMGUI_API bool ButtonEx(const char* label, const ImVec2& size_arg = ImVec2(0,0), ImGuiButtonFlags flags = 0); - IMGUI_API bool CloseButton(ImGuiID id, const ImVec2& pos, float radius); + IMGUI_API bool CloseButton(ImGuiID id, const ImVec2& pos); IMGUI_API bool CollapseButton(ImGuiID id, const ImVec2& pos); - IMGUI_API bool ArrowButtonEx(const char* str_id, ImGuiDir dir, ImVec2 size_arg, ImGuiButtonFlags flags); - IMGUI_API void Scrollbar(ImGuiLayoutType direction); - IMGUI_API void VerticalSeparator(); // Vertical separator, for menu bars (use current line height). Not exposed because it is misleading and it doesn't have an effect on regular layout. + IMGUI_API bool ArrowButtonEx(const char* str_id, ImGuiDir dir, ImVec2 size_arg, ImGuiButtonFlags flags = 0); + IMGUI_API void Scrollbar(ImGuiAxis axis); + IMGUI_API bool ScrollbarEx(const ImRect& bb, ImGuiID id, ImGuiAxis axis, float* p_scroll_v, float avail_v, float contents_v, ImDrawCornerFlags rounding_corners); + IMGUI_API ImGuiID GetWindowScrollbarID(ImGuiWindow* window, ImGuiAxis axis); + IMGUI_API ImGuiID GetWindowResizeID(ImGuiWindow* window, int n); // 0..3: corners, 4..7: borders + IMGUI_API void SeparatorEx(ImGuiSeparatorFlags flags); // Widgets low-level behaviors IMGUI_API bool ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool* out_held, ImGuiButtonFlags flags = 0); - IMGUI_API bool DragBehavior(ImGuiID id, ImGuiDataType data_type, void* v, float v_speed, const void* v_min, const void* v_max, const char* format, float power); - IMGUI_API bool SliderBehavior(const ImRect& bb, ImGuiID id, ImGuiDataType data_type, void* v, const void* v_min, const void* v_max, const char* format, float power, ImGuiSliderFlags flags, ImRect* out_grab_bb); + IMGUI_API bool DragBehavior(ImGuiID id, ImGuiDataType data_type, void* p_v, float v_speed, const void* p_min, const void* p_max, const char* format, float power, ImGuiDragFlags flags); + IMGUI_API bool SliderBehavior(const ImRect& bb, ImGuiID id, ImGuiDataType data_type, void* p_v, const void* p_min, const void* p_max, const char* format, float power, ImGuiSliderFlags flags, ImRect* out_grab_bb); IMGUI_API bool SplitterBehavior(const ImRect& bb, ImGuiID id, ImGuiAxis axis, float* size1, float* size2, float min_size1, float min_size2, float hover_extend = 0.0f, float hover_visibility_delay = 0.0f); IMGUI_API bool TreeNodeBehavior(ImGuiID id, ImGuiTreeNodeFlags flags, const char* label, const char* label_end = NULL); - IMGUI_API bool TreeNodeBehaviorIsOpen(ImGuiID id, ImGuiTreeNodeFlags flags = 0); // Consume previous SetNextTreeNodeOpened() data, if any. May return true when logging - IMGUI_API void TreePushRawID(ImGuiID id); + IMGUI_API bool TreeNodeBehaviorIsOpen(ImGuiID id, ImGuiTreeNodeFlags flags = 0); // Consume previous SetNextItemOpen() data, if any. May return true when logging + IMGUI_API void TreePushOverrideID(ImGuiID id); - // Template functions are instantiated in imgui_widgets.cpp for a finite number of types. + // Template functions are instantiated in imgui_widgets.cpp for a finite number of types. // To use them externally (for custom widget) you may need an "extern template" statement in your code in order to link to existing instances and silence Clang warnings (see #2036). // e.g. " extern template IMGUI_API float RoundScalarWithFormatT<float, float>(const char* format, ImGuiDataType data_type, float v); " - template<typename T, typename SIGNED_T, typename FLOAT_T> IMGUI_API bool DragBehaviorT(ImGuiDataType data_type, T* v, float v_speed, const T v_min, const T v_max, const char* format, float power); - template<typename T, typename SIGNED_T, typename FLOAT_T> IMGUI_API bool SliderBehaviorT(const ImRect& bb, ImGuiID id, ImGuiDataType data_type, T* v, const T v_min, const T v_max, const char* format, float power, ImGuiSliderFlags flags, ImRect* out_grab_bb); + template<typename T, typename SIGNED_T, typename FLOAT_T> IMGUI_API bool DragBehaviorT(ImGuiDataType data_type, T* v, float v_speed, T v_min, T v_max, const char* format, float power, ImGuiDragFlags flags); + template<typename T, typename SIGNED_T, typename FLOAT_T> IMGUI_API bool SliderBehaviorT(const ImRect& bb, ImGuiID id, ImGuiDataType data_type, T* v, T v_min, T v_max, const char* format, float power, ImGuiSliderFlags flags, ImRect* out_grab_bb); template<typename T, typename FLOAT_T> IMGUI_API float SliderCalcRatioFromValueT(ImGuiDataType data_type, T v, T v_min, T v_max, float power, float linear_zero_pos); template<typename T, typename SIGNED_T> IMGUI_API T RoundScalarWithFormatT(const char* format, ImGuiDataType data_type, T v); + // Data type helpers + IMGUI_API const ImGuiDataTypeInfo* DataTypeGetInfo(ImGuiDataType data_type); + IMGUI_API int DataTypeFormatString(char* buf, int buf_size, ImGuiDataType data_type, const void* p_data, const char* format); + IMGUI_API void DataTypeApplyOp(ImGuiDataType data_type, int op, void* output, void* arg_1, const void* arg_2); + IMGUI_API bool DataTypeApplyOpFromText(const char* buf, const char* initial_value_buf, ImGuiDataType data_type, void* p_data, const char* format); + // InputText - IMGUI_API bool InputTextEx(const char* label, char* buf, int buf_size, const ImVec2& size_arg, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback = NULL, void* user_data = NULL); - IMGUI_API bool InputScalarAsWidgetReplacement(const ImRect& bb, ImGuiID id, const char* label, ImGuiDataType data_type, void* data_ptr, const char* format); + IMGUI_API bool InputTextEx(const char* label, const char* hint, char* buf, int buf_size, const ImVec2& size_arg, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback = NULL, void* user_data = NULL); + IMGUI_API bool TempInputTextScalar(const ImRect& bb, ImGuiID id, const char* label, ImGuiDataType data_type, void* p_data, const char* format); + inline bool TempInputTextIsActive(ImGuiID id) { ImGuiContext& g = *GImGui; return (g.ActiveId == id && g.TempInputTextId == id); } // Color IMGUI_API void ColorTooltip(const char* text, const float* col, ImGuiColorEditFlags flags); @@ -1271,27 +1850,68 @@ namespace ImGui IMGUI_API void ColorPickerOptionsPopup(const float* ref_col, ImGuiColorEditFlags flags); // Plot - IMGUI_API void PlotEx(ImGuiPlotType plot_type, const char* label, float (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 graph_size); + IMGUI_API void PlotEx(ImGuiPlotType plot_type, const char* label, float (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 frame_size); // Shade functions (write over already created vertices) IMGUI_API void ShadeVertsLinearColorGradientKeepAlpha(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1); IMGUI_API void ShadeVertsLinearUV(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp); + // Garbage collection + IMGUI_API void GcCompactTransientWindowBuffers(ImGuiWindow* window); + IMGUI_API void GcAwakeTransientWindowBuffers(ImGuiWindow* window); + + // Debug Tools + inline void DebugDrawItemRect(ImU32 col = IM_COL32(255,0,0,255)) { ImGuiContext& g = *GImGui; ImGuiWindow* window = g.CurrentWindow; GetForegroundDrawList(window)->AddRect(window->DC.LastItemRect.Min, window->DC.LastItemRect.Max, col); } + inline void DebugStartItemPicker() { ImGuiContext& g = *GImGui; g.DebugItemPickerActive = true; } + } // namespace ImGui // ImFontAtlas internals IMGUI_API bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas); IMGUI_API void ImFontAtlasBuildRegisterDefaultCustomRects(ImFontAtlas* atlas); IMGUI_API void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent); -IMGUI_API void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* spc); +IMGUI_API void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opaque); IMGUI_API void ImFontAtlasBuildFinish(ImFontAtlas* atlas); IMGUI_API void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_multiply_factor); IMGUI_API void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride); -#ifdef __clang__ +// Debug Tools +// Use 'Metrics->Tools->Item Picker' to break into the call-stack of a specific item. +#ifndef IM_DEBUG_BREAK +#if defined(__clang__) +#define IM_DEBUG_BREAK() __builtin_debugtrap() +#elif defined (_MSC_VER) +#define IM_DEBUG_BREAK() __debugbreak() +#else +#define IM_DEBUG_BREAK() IM_ASSERT(0) // It is expected that you define IM_DEBUG_BREAK() into something that will break nicely in a debugger! +#endif +#endif // #ifndef IM_DEBUG_BREAK + +// Test Engine Hooks (imgui_tests) +//#define IMGUI_ENABLE_TEST_ENGINE +#ifdef IMGUI_ENABLE_TEST_ENGINE +extern void ImGuiTestEngineHook_PreNewFrame(ImGuiContext* ctx); +extern void ImGuiTestEngineHook_PostNewFrame(ImGuiContext* ctx); +extern void ImGuiTestEngineHook_ItemAdd(ImGuiContext* ctx, const ImRect& bb, ImGuiID id); +extern void ImGuiTestEngineHook_ItemInfo(ImGuiContext* ctx, ImGuiID id, const char* label, ImGuiItemStatusFlags flags); +extern void ImGuiTestEngineHook_Log(ImGuiContext* ctx, const char* fmt, ...); +#define IMGUI_TEST_ENGINE_ITEM_ADD(_BB, _ID) ImGuiTestEngineHook_ItemAdd(&g, _BB, _ID) // Register item bounding box +#define IMGUI_TEST_ENGINE_ITEM_INFO(_ID, _LABEL, _FLAGS) ImGuiTestEngineHook_ItemInfo(&g, _ID, _LABEL, _FLAGS) // Register item label and status flags (optional) +#define IMGUI_TEST_ENGINE_LOG(_FMT, ...) ImGuiTestEngineHook_Log(&g, _FMT, __VA_ARGS__) // Custom log entry from user land into test log +#else +#define IMGUI_TEST_ENGINE_ITEM_ADD(_BB, _ID) do { } while (0) +#define IMGUI_TEST_ENGINE_ITEM_INFO(_ID, _LABEL, _FLAGS) do { } while (0) +#define IMGUI_TEST_ENGINE_LOG(_FMT, ...) do { } while (0) +#endif + +#if defined(__clang__) #pragma clang diagnostic pop +#elif defined(__GNUC__) +#pragma GCC diagnostic pop #endif #ifdef _MSC_VER #pragma warning (pop) #endif + +#endif // #ifndef IMGUI_DISABLE |