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|
/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file ghost/intern/GHOST_SystemWin32.cpp
* \ingroup GHOST
*
* \author Maarten Gribnau
*/
#include "GHOST_SystemWin32.h"
#include "GHOST_EventDragnDrop.h"
#ifndef _WIN32_IE
# define _WIN32_IE 0x0501 /* shipped before XP, so doesn't impose additional requirements */
#endif
#include <shlobj.h>
#include <tlhelp32.h>
#include <psapi.h>
#include <windowsx.h>
#include "utfconv.h"
#include "GHOST_DisplayManagerWin32.h"
#include "GHOST_EventButton.h"
#include "GHOST_EventCursor.h"
#include "GHOST_EventKey.h"
#include "GHOST_EventWheel.h"
#include "GHOST_TimerTask.h"
#include "GHOST_TimerManager.h"
#include "GHOST_WindowManager.h"
#include "GHOST_WindowWin32.h"
#ifdef WITH_INPUT_NDOF
#include "GHOST_NDOFManagerWin32.h"
#endif
// Key code values not found in winuser.h
#ifndef VK_MINUS
#define VK_MINUS 0xBD
#endif // VK_MINUS
#ifndef VK_SEMICOLON
#define VK_SEMICOLON 0xBA
#endif // VK_SEMICOLON
#ifndef VK_PERIOD
#define VK_PERIOD 0xBE
#endif // VK_PERIOD
#ifndef VK_COMMA
#define VK_COMMA 0xBC
#endif // VK_COMMA
#ifndef VK_QUOTE
#define VK_QUOTE 0xDE
#endif // VK_QUOTE
#ifndef VK_BACK_QUOTE
#define VK_BACK_QUOTE 0xC0
#endif // VK_BACK_QUOTE
#ifndef VK_SLASH
#define VK_SLASH 0xBF
#endif // VK_SLASH
#ifndef VK_BACK_SLASH
#define VK_BACK_SLASH 0xDC
#endif // VK_BACK_SLASH
#ifndef VK_EQUALS
#define VK_EQUALS 0xBB
#endif // VK_EQUALS
#ifndef VK_OPEN_BRACKET
#define VK_OPEN_BRACKET 0xDB
#endif // VK_OPEN_BRACKET
#ifndef VK_CLOSE_BRACKET
#define VK_CLOSE_BRACKET 0xDD
#endif // VK_CLOSE_BRACKET
#ifndef VK_GR_LESS
#define VK_GR_LESS 0xE2
#endif // VK_GR_LESS
#ifndef VK_MEDIA_NEXT_TRACK
#define VK_MEDIA_NEXT_TRACK 0xB0
#endif // VK_MEDIA_NEXT_TRACK
#ifndef VK_MEDIA_PREV_TRACK
#define VK_MEDIA_PREV_TRACK 0xB1
#endif // VK_MEDIA_PREV_TRACK
#ifndef VK_MEDIA_STOP
#define VK_MEDIA_STOP 0xB2
#endif // VK_MEDIA_STOP
#ifndef VK_MEDIA_PLAY_PAUSE
#define VK_MEDIA_PLAY_PAUSE 0xB3
#endif // VK_MEDIA_PLAY_PAUSE
// Window message newer than Windows 7
#ifndef WM_DPICHANGED
#define WM_DPICHANGED 0x02E0
#endif // WM_DPICHANGED
/* Workaround for some laptop touchpads, some of which seems to
* have driver issues which makes it so window function receives
* the message, but PeekMessage doesn't pick those messages for
* some reason.
*
* We send a dummy WM_USER message to force PeekMessage to receive
* something, making it so blender's window manager sees the new
* messages coming in.
*/
#define BROKEN_PEEK_TOUCHPAD
static void initRawInput()
{
#ifdef WITH_INPUT_NDOF
#define DEVICE_COUNT 2
#else
#define DEVICE_COUNT 1
#endif
RAWINPUTDEVICE devices[DEVICE_COUNT];
memset(devices, 0, DEVICE_COUNT * sizeof(RAWINPUTDEVICE));
// Initiates WM_INPUT messages from keyboard
// That way GHOST can retrieve true keys
devices[0].usUsagePage = 0x01;
devices[0].usUsage = 0x06; /* http://msdn.microsoft.com/en-us/windows/hardware/gg487473.aspx */
#ifdef WITH_INPUT_NDOF
// multi-axis mouse (SpaceNavigator, etc.)
devices[1].usUsagePage = 0x01;
devices[1].usUsage = 0x08;
#endif
if (RegisterRawInputDevices(devices, DEVICE_COUNT, sizeof(RAWINPUTDEVICE)))
; // yay!
else
GHOST_PRINTF("could not register for RawInput: %d\n", (int)GetLastError());
#undef DEVICE_COUNT
}
#ifndef DPI_ENUMS_DECLARED
typedef enum PROCESS_DPI_AWARENESS {
PROCESS_DPI_UNAWARE = 0,
PROCESS_SYSTEM_DPI_AWARE = 1,
PROCESS_PER_MONITOR_DPI_AWARE = 2
} PROCESS_DPI_AWARENESS;
typedef enum MONITOR_DPI_TYPE {
MDT_EFFECTIVE_DPI = 0,
MDT_ANGULAR_DPI = 1,
MDT_RAW_DPI = 2,
MDT_DEFAULT = MDT_EFFECTIVE_DPI
} MONITOR_DPI_TYPE;
#define USER_DEFAULT_SCREEN_DPI 96
#define DPI_ENUMS_DECLARED
#endif
typedef HRESULT(API * GHOST_WIN32_SetProcessDpiAwareness)(PROCESS_DPI_AWARENESS);
typedef BOOL(API * GHOST_WIN32_EnableNonClientDpiScaling)(HWND);
GHOST_SystemWin32::GHOST_SystemWin32()
: m_hasPerformanceCounter(false), m_freq(0), m_start(0)
{
m_displayManager = new GHOST_DisplayManagerWin32();
GHOST_ASSERT(m_displayManager, "GHOST_SystemWin32::GHOST_SystemWin32(): m_displayManager==0\n");
m_displayManager->initialize();
m_consoleStatus = 1;
// Tell Windows we are per monitor DPI aware. This disables the default
// blurry scaling and enables WM_DPICHANGED to allow us to draw at proper DPI.
HMODULE m_shcore = ::LoadLibrary("Shcore.dll");
if (m_shcore) {
GHOST_WIN32_SetProcessDpiAwareness fpSetProcessDpiAwareness =
(GHOST_WIN32_SetProcessDpiAwareness) ::GetProcAddress(m_shcore, "SetProcessDpiAwareness");
if (fpSetProcessDpiAwareness) {
fpSetProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE);
}
}
// Check if current keyboard layout uses AltGr and save keylayout ID for
// specialized handling if keys like VK_OEM_*. I.e. french keylayout
// generates VK_OEM_8 for their exclamation key (key left of right shift)
this->handleKeyboardChange();
// Require COM for GHOST_DropTargetWin32 created in GHOST_WindowWin32.
OleInitialize(0);
#ifdef WITH_INPUT_NDOF
m_ndofManager = new GHOST_NDOFManagerWin32(*this);
#endif
}
GHOST_SystemWin32::~GHOST_SystemWin32()
{
// Shutdown COM
OleUninitialize();
toggleConsole(1);
}
GHOST_TUns64 GHOST_SystemWin32::getMilliSeconds() const
{
// Hardware does not support high resolution timers. We will use GetTickCount instead then.
if (!m_hasPerformanceCounter) {
return ::GetTickCount();
}
// Retrieve current count
__int64 count = 0;
::QueryPerformanceCounter((LARGE_INTEGER *)&count);
// Calculate the time passed since system initialization.
__int64 delta = 1000 * (count - m_start);
GHOST_TUns64 t = (GHOST_TUns64)(delta / m_freq);
return t;
}
GHOST_TUns8 GHOST_SystemWin32::getNumDisplays() const
{
GHOST_ASSERT(m_displayManager, "GHOST_SystemWin32::getNumDisplays(): m_displayManager==0\n");
GHOST_TUns8 numDisplays;
m_displayManager->getNumDisplays(numDisplays);
return numDisplays;
}
void GHOST_SystemWin32::getMainDisplayDimensions(GHOST_TUns32 &width, GHOST_TUns32 &height) const
{
width = ::GetSystemMetrics(SM_CXSCREEN);
height = ::GetSystemMetrics(SM_CYSCREEN);
}
void GHOST_SystemWin32::getAllDisplayDimensions(GHOST_TUns32 &width, GHOST_TUns32 &height) const
{
width = ::GetSystemMetrics(SM_CXVIRTUALSCREEN);
height = ::GetSystemMetrics(SM_CYVIRTUALSCREEN);
}
GHOST_IWindow *GHOST_SystemWin32::createWindow(
const STR_String &title,
GHOST_TInt32 left, GHOST_TInt32 top,
GHOST_TUns32 width, GHOST_TUns32 height,
GHOST_TWindowState state, GHOST_TDrawingContextType type,
GHOST_GLSettings glSettings,
const bool exclusive,
const GHOST_TEmbedderWindowID parentWindow)
{
GHOST_WindowWin32 *window =
new GHOST_WindowWin32(
this,
title,
left,
top,
width,
height,
state,
type,
((glSettings.flags & GHOST_glStereoVisual) != 0),
((glSettings.flags & GHOST_glAlphaBackground) != 0),
glSettings.numOfAASamples,
parentWindow,
((glSettings.flags & GHOST_glDebugContext) != 0));
if (window->getValid()) {
// Store the pointer to the window
m_windowManager->addWindow(window);
m_windowManager->setActiveWindow(window);
}
else {
GHOST_PRINT("GHOST_SystemWin32::createWindow(): window invalid\n");
delete window;
window = NULL;
}
return window;
}
bool GHOST_SystemWin32::processEvents(bool waitForEvent)
{
MSG msg;
bool anyProcessed = false;
do {
GHOST_TimerManager *timerMgr = getTimerManager();
if (waitForEvent && !::PeekMessage(&msg, 0, 0, 0, PM_NOREMOVE)) {
#if 1
::Sleep(1);
#else
GHOST_TUns64 next = timerMgr->nextFireTime();
GHOST_TInt64 maxSleep = next - getMilliSeconds();
if (next == GHOST_kFireTimeNever) {
::WaitMessage();
}
else if (maxSleep >= 0.0) {
::SetTimer(NULL, 0, maxSleep, NULL);
::WaitMessage();
::KillTimer(NULL, 0);
}
#endif
}
if (timerMgr->fireTimers(getMilliSeconds())) {
anyProcessed = true;
}
// Process all the events waiting for us
while (::PeekMessageW(&msg, 0, 0, 0, PM_REMOVE) != 0) {
// TranslateMessage doesn't alter the message, and doesn't change our raw keyboard data.
// Needed for MapVirtualKey or if we ever need to get chars from wm_ime_char or similar.
::TranslateMessage(&msg);
::DispatchMessageW(&msg);
anyProcessed = true;
}
} while (waitForEvent && !anyProcessed);
return anyProcessed;
}
GHOST_TSuccess GHOST_SystemWin32::getCursorPosition(GHOST_TInt32 &x, GHOST_TInt32 &y) const
{
POINT point;
if (::GetCursorPos(&point)) {
x = point.x;
y = point.y;
return GHOST_kSuccess;
}
return GHOST_kFailure;
}
GHOST_TSuccess GHOST_SystemWin32::setCursorPosition(GHOST_TInt32 x, GHOST_TInt32 y)
{
if (!::GetActiveWindow())
return GHOST_kFailure;
return ::SetCursorPos(x, y) == TRUE ? GHOST_kSuccess : GHOST_kFailure;
}
GHOST_TSuccess GHOST_SystemWin32::getModifierKeys(GHOST_ModifierKeys &keys) const
{
bool down = HIBYTE(::GetKeyState(VK_LSHIFT)) != 0;
keys.set(GHOST_kModifierKeyLeftShift, down);
down = HIBYTE(::GetKeyState(VK_RSHIFT)) != 0;
keys.set(GHOST_kModifierKeyRightShift, down);
down = HIBYTE(::GetKeyState(VK_LMENU)) != 0;
keys.set(GHOST_kModifierKeyLeftAlt, down);
down = HIBYTE(::GetKeyState(VK_RMENU)) != 0;
keys.set(GHOST_kModifierKeyRightAlt, down);
down = HIBYTE(::GetKeyState(VK_LCONTROL)) != 0;
keys.set(GHOST_kModifierKeyLeftControl, down);
down = HIBYTE(::GetKeyState(VK_RCONTROL)) != 0;
keys.set(GHOST_kModifierKeyRightControl, down);
bool lwindown = HIBYTE(::GetKeyState(VK_LWIN)) != 0;
bool rwindown = HIBYTE(::GetKeyState(VK_RWIN)) != 0;
if (lwindown || rwindown)
keys.set(GHOST_kModifierKeyOS, true);
else
keys.set(GHOST_kModifierKeyOS, false);
return GHOST_kSuccess;
}
GHOST_TSuccess GHOST_SystemWin32::getButtons(GHOST_Buttons &buttons) const
{
/* Check for swapped buttons (left-handed mouse buttons)
* GetAsyncKeyState() will give back the state of the physical mouse buttons.
*/
bool swapped = ::GetSystemMetrics(SM_SWAPBUTTON) == TRUE;
bool down = HIBYTE(::GetKeyState(VK_LBUTTON)) != 0;
buttons.set(swapped ? GHOST_kButtonMaskRight : GHOST_kButtonMaskLeft, down);
down = HIBYTE(::GetKeyState(VK_MBUTTON)) != 0;
buttons.set(GHOST_kButtonMaskMiddle, down);
down = HIBYTE(::GetKeyState(VK_RBUTTON)) != 0;
buttons.set(swapped ? GHOST_kButtonMaskLeft : GHOST_kButtonMaskRight, down);
return GHOST_kSuccess;
}
GHOST_TSuccess GHOST_SystemWin32::init()
{
GHOST_TSuccess success = GHOST_System::init();
/* Disable scaling on high DPI displays on Vista */
HMODULE
user32 = ::LoadLibraryA("user32.dll");
typedef BOOL (WINAPI * LPFNSETPROCESSDPIAWARE)();
LPFNSETPROCESSDPIAWARE SetProcessDPIAware =
(LPFNSETPROCESSDPIAWARE)GetProcAddress(user32, "SetProcessDPIAware");
if (SetProcessDPIAware)
SetProcessDPIAware();
FreeLibrary(user32);
initRawInput();
// Determine whether this system has a high frequency performance counter. */
m_hasPerformanceCounter = ::QueryPerformanceFrequency((LARGE_INTEGER *)&m_freq) == TRUE;
if (m_hasPerformanceCounter) {
GHOST_PRINT("GHOST_SystemWin32::init: High Frequency Performance Timer available\n");
::QueryPerformanceCounter((LARGE_INTEGER *)&m_start);
}
else {
GHOST_PRINT("GHOST_SystemWin32::init: High Frequency Performance Timer not available\n");
}
if (success) {
WNDCLASSW wc = {0};
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = s_wndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = ::GetModuleHandle(0);
wc.hIcon = ::LoadIcon(wc.hInstance, "APPICON");
if (!wc.hIcon) {
::LoadIcon(NULL, IDI_APPLICATION);
}
wc.hCursor = ::LoadCursor(0, IDC_ARROW);
wc.hbrBackground =
#ifdef INW32_COMPISITING
(HBRUSH)CreateSolidBrush
#endif
(0x00000000);
wc.lpszMenuName = 0;
wc.lpszClassName = L"GHOST_WindowClass";
// Use RegisterClassEx for setting small icon
if (::RegisterClassW(&wc) == 0) {
success = GHOST_kFailure;
}
}
return success;
}
GHOST_TSuccess GHOST_SystemWin32::exit()
{
return GHOST_System::exit();
}
GHOST_TKey GHOST_SystemWin32::hardKey(RAWINPUT const &raw, int *keyDown, char *vk)
{
GHOST_SystemWin32 *system = (GHOST_SystemWin32 *)getSystem();
GHOST_TKey key = GHOST_kKeyUnknown;
GHOST_ModifierKeys modifiers;
system->retrieveModifierKeys(modifiers);
// RI_KEY_BREAK doesn't work for sticky keys release, so we also
// check for the up message
unsigned int msg = raw.data.keyboard.Message;
*keyDown = !(raw.data.keyboard.Flags & RI_KEY_BREAK) && msg != WM_KEYUP && msg != WM_SYSKEYUP;
key = this->convertKey(raw.data.keyboard.VKey, raw.data.keyboard.MakeCode, (raw.data.keyboard.Flags & (RI_KEY_E1 | RI_KEY_E0)));
// extra handling of modifier keys: don't send repeats out from GHOST
if (key >= GHOST_kKeyLeftShift && key <= GHOST_kKeyRightAlt) {
bool changed = false;
GHOST_TModifierKeyMask modifier;
switch (key) {
case GHOST_kKeyLeftShift:
{
changed = (modifiers.get(GHOST_kModifierKeyLeftShift) != (bool)*keyDown);
modifier = GHOST_kModifierKeyLeftShift;
break;
}
case GHOST_kKeyRightShift:
{
changed = (modifiers.get(GHOST_kModifierKeyRightShift) != (bool)*keyDown);
modifier = GHOST_kModifierKeyRightShift;
break;
}
case GHOST_kKeyLeftControl:
{
changed = (modifiers.get(GHOST_kModifierKeyLeftControl) != (bool)*keyDown);
modifier = GHOST_kModifierKeyLeftControl;
break;
}
case GHOST_kKeyRightControl:
{
changed = (modifiers.get(GHOST_kModifierKeyRightControl) != (bool)*keyDown);
modifier = GHOST_kModifierKeyRightControl;
break;
}
case GHOST_kKeyLeftAlt:
{
changed = (modifiers.get(GHOST_kModifierKeyLeftAlt) != (bool)*keyDown);
modifier = GHOST_kModifierKeyLeftAlt;
break;
}
case GHOST_kKeyRightAlt:
{
changed = (modifiers.get(GHOST_kModifierKeyRightAlt) != (bool)*keyDown);
modifier = GHOST_kModifierKeyRightAlt;
break;
}
default:
break;
}
if (changed) {
modifiers.set(modifier, (bool)*keyDown);
system->storeModifierKeys(modifiers);
}
else {
key = GHOST_kKeyUnknown;
}
}
if (vk) *vk = raw.data.keyboard.VKey;
return key;
}
//! note: this function can be extended to include other exotic cases as they arise.
// This function was added in response to bug [#25715]
// This is going to be a long list [T42426]
GHOST_TKey GHOST_SystemWin32::processSpecialKey(short vKey, short scanCode) const
{
GHOST_TKey key = GHOST_kKeyUnknown;
switch (PRIMARYLANGID(m_langId)) {
case LANG_FRENCH:
if (vKey == VK_OEM_8) key = GHOST_kKeyF13; // oem key; used purely for shortcuts .
break;
case LANG_ENGLISH:
if (SUBLANGID(m_langId) == SUBLANG_ENGLISH_UK && vKey == VK_OEM_8) // "`¬"
key = GHOST_kKeyAccentGrave;
break;
}
return key;
}
GHOST_TKey GHOST_SystemWin32::convertKey(short vKey, short scanCode, short extend) const
{
GHOST_TKey key;
if ((vKey >= '0') && (vKey <= '9')) {
// VK_0 thru VK_9 are the same as ASCII '0' thru '9' (0x30 - 0x39)
key = (GHOST_TKey)(vKey - '0' + GHOST_kKey0);
}
else if ((vKey >= 'A') && (vKey <= 'Z')) {
// VK_A thru VK_Z are the same as ASCII 'A' thru 'Z' (0x41 - 0x5A)
key = (GHOST_TKey)(vKey - 'A' + GHOST_kKeyA);
}
else if ((vKey >= VK_F1) && (vKey <= VK_F24)) {
key = (GHOST_TKey)(vKey - VK_F1 + GHOST_kKeyF1);
}
else {
switch (vKey) {
case VK_RETURN:
key = (extend) ? GHOST_kKeyNumpadEnter : GHOST_kKeyEnter; break;
case VK_BACK: key = GHOST_kKeyBackSpace; break;
case VK_TAB: key = GHOST_kKeyTab; break;
case VK_ESCAPE: key = GHOST_kKeyEsc; break;
case VK_SPACE: key = GHOST_kKeySpace; break;
case VK_INSERT:
case VK_NUMPAD0:
key = (extend) ? GHOST_kKeyInsert : GHOST_kKeyNumpad0; break;
case VK_END:
case VK_NUMPAD1:
key = (extend) ? GHOST_kKeyEnd : GHOST_kKeyNumpad1; break;
case VK_DOWN:
case VK_NUMPAD2:
key = (extend) ? GHOST_kKeyDownArrow : GHOST_kKeyNumpad2; break;
case VK_NEXT:
case VK_NUMPAD3:
key = (extend) ? GHOST_kKeyDownPage : GHOST_kKeyNumpad3; break;
case VK_LEFT:
case VK_NUMPAD4:
key = (extend) ? GHOST_kKeyLeftArrow : GHOST_kKeyNumpad4; break;
case VK_CLEAR:
case VK_NUMPAD5:
key = (extend) ? GHOST_kKeyUnknown : GHOST_kKeyNumpad5; break;
case VK_RIGHT:
case VK_NUMPAD6:
key = (extend) ? GHOST_kKeyRightArrow : GHOST_kKeyNumpad6; break;
case VK_HOME:
case VK_NUMPAD7:
key = (extend) ? GHOST_kKeyHome : GHOST_kKeyNumpad7; break;
case VK_UP:
case VK_NUMPAD8:
key = (extend) ? GHOST_kKeyUpArrow : GHOST_kKeyNumpad8; break;
case VK_PRIOR:
case VK_NUMPAD9:
key = (extend) ? GHOST_kKeyUpPage : GHOST_kKeyNumpad9; break;
case VK_DECIMAL:
case VK_DELETE:
key = (extend) ? GHOST_kKeyDelete : GHOST_kKeyNumpadPeriod; break;
case VK_SNAPSHOT: key = GHOST_kKeyPrintScreen; break;
case VK_PAUSE: key = GHOST_kKeyPause; break;
case VK_MULTIPLY: key = GHOST_kKeyNumpadAsterisk; break;
case VK_SUBTRACT: key = GHOST_kKeyNumpadMinus; break;
case VK_DIVIDE: key = GHOST_kKeyNumpadSlash; break;
case VK_ADD: key = GHOST_kKeyNumpadPlus; break;
case VK_SEMICOLON: key = GHOST_kKeySemicolon; break;
case VK_EQUALS: key = GHOST_kKeyEqual; break;
case VK_COMMA: key = GHOST_kKeyComma; break;
case VK_MINUS: key = GHOST_kKeyMinus; break;
case VK_PERIOD: key = GHOST_kKeyPeriod; break;
case VK_SLASH: key = GHOST_kKeySlash; break;
case VK_BACK_QUOTE: key = GHOST_kKeyAccentGrave; break;
case VK_OPEN_BRACKET: key = GHOST_kKeyLeftBracket; break;
case VK_BACK_SLASH: key = GHOST_kKeyBackslash; break;
case VK_CLOSE_BRACKET: key = GHOST_kKeyRightBracket; break;
case VK_QUOTE: key = GHOST_kKeyQuote; break;
case VK_GR_LESS: key = GHOST_kKeyGrLess; break;
case VK_SHIFT:
/* Check single shift presses */
if (scanCode == 0x36) {
key = GHOST_kKeyRightShift;
}
else if (scanCode == 0x2a) {
key = GHOST_kKeyLeftShift;
}
else {
/* Must be a combination SHIFT (Left or Right) + a Key
* Ignore this as the next message will contain
* the desired "Key" */
key = GHOST_kKeyUnknown;
}
break;
case VK_CONTROL:
key = (extend) ? GHOST_kKeyRightControl : GHOST_kKeyLeftControl;
break;
case VK_MENU:
key = (extend) ? GHOST_kKeyRightAlt : GHOST_kKeyLeftAlt;
break;
case VK_LWIN:
case VK_RWIN:
key = GHOST_kKeyOS;
break;
case VK_NUMLOCK: key = GHOST_kKeyNumLock; break;
case VK_SCROLL: key = GHOST_kKeyScrollLock; break;
case VK_CAPITAL: key = GHOST_kKeyCapsLock; break;
case VK_OEM_8:
key = ((GHOST_SystemWin32 *)getSystem())->processSpecialKey(vKey, scanCode);
break;
case VK_MEDIA_PLAY_PAUSE: key = GHOST_kKeyMediaPlay; break;
case VK_MEDIA_STOP: key = GHOST_kKeyMediaStop; break;
case VK_MEDIA_PREV_TRACK: key = GHOST_kKeyMediaFirst; break;
case VK_MEDIA_NEXT_TRACK: key = GHOST_kKeyMediaLast; break;
default:
key = GHOST_kKeyUnknown;
break;
}
}
return key;
}
GHOST_EventButton *GHOST_SystemWin32::processButtonEvent(
GHOST_TEventType type,
GHOST_WindowWin32 *window,
GHOST_TButtonMask mask)
{
return new GHOST_EventButton(getSystem()->getMilliSeconds(), type, window, mask);
}
GHOST_EventCursor *GHOST_SystemWin32::processCursorEvent(GHOST_TEventType type, GHOST_WindowWin32 *window)
{
GHOST_TInt32 x_screen, y_screen;
GHOST_SystemWin32 *system = (GHOST_SystemWin32 *) getSystem();
system->getCursorPosition(x_screen, y_screen);
/* TODO: CHECK IF THIS IS A TABLET EVENT */
bool is_tablet = false;
if (is_tablet == false && window->getCursorGrabModeIsWarp()) {
GHOST_TInt32 x_new = x_screen;
GHOST_TInt32 y_new = y_screen;
GHOST_TInt32 x_accum, y_accum;
GHOST_Rect bounds;
/* fallback to window bounds */
if (window->getCursorGrabBounds(bounds) == GHOST_kFailure) {
window->getClientBounds(bounds);
}
/* could also clamp to screen bounds
* wrap with a window outside the view will fail atm */
bounds.wrapPoint(x_new, y_new, 2); /* offset of one incase blender is at screen bounds */
window->getCursorGrabAccum(x_accum, y_accum);
if (x_new != x_screen || y_new != y_screen) {
/* when wrapping we don't need to add an event because the
* setCursorPosition call will cause a new event after */
system->setCursorPosition(x_new, y_new); /* wrap */
window->setCursorGrabAccum(x_accum + (x_screen - x_new), y_accum + (y_screen - y_new));
}
else {
return new GHOST_EventCursor(system->getMilliSeconds(),
GHOST_kEventCursorMove,
window,
x_screen + x_accum,
y_screen + y_accum
);
}
}
else {
return new GHOST_EventCursor(system->getMilliSeconds(),
GHOST_kEventCursorMove,
window,
x_screen,
y_screen
);
}
return NULL;
}
void GHOST_SystemWin32::processWheelEvent(GHOST_WindowWin32 *window, WPARAM wParam, LPARAM lParam)
{
GHOST_SystemWin32 *system = (GHOST_SystemWin32 *)getSystem();
int acc = system->m_wheelDeltaAccum;
int delta = GET_WHEEL_DELTA_WPARAM(wParam);
if (acc * delta < 0) {
// scroll direction reversed.
acc = 0;
}
acc += delta;
int direction = (acc >= 0) ? 1 : -1;
acc = abs(acc);
while (acc >= WHEEL_DELTA) {
system->pushEvent(new GHOST_EventWheel(system->getMilliSeconds(), window, direction));
acc -= WHEEL_DELTA;
}
system->m_wheelDeltaAccum = acc * direction;
}
GHOST_EventKey *GHOST_SystemWin32::processKeyEvent(GHOST_WindowWin32 *window, RAWINPUT const &raw)
{
int keyDown = 0;
char vk;
GHOST_SystemWin32 *system = (GHOST_SystemWin32 *)getSystem();
GHOST_TKey key = system->hardKey(raw, &keyDown, &vk);
GHOST_EventKey *event;
if (key != GHOST_kKeyUnknown) {
char utf8_char[6] = {0};
char ascii = 0;
wchar_t utf16[3] = {0};
BYTE state[256] = {0};
int r;
GetKeyboardState((PBYTE)state);
// don't call ToUnicodeEx on dead keys as it clears the buffer and so won't allow diacritical composition.
if (MapVirtualKeyW(vk, 2) != 0) {
// todo: ToUnicodeEx can respond with up to 4 utf16 chars (only 2 here). Could be up to 24 utf8 bytes.
if ((r = ToUnicodeEx(vk, raw.data.keyboard.MakeCode, state, utf16, 2, 0, system->m_keylayout))) {
if ((r > 0 && r < 3)) {
utf16[r] = 0;
conv_utf_16_to_8(utf16, utf8_char, 6);
}
else if (r == -1) {
utf8_char[0] = '\0';
}
}
}
if (!keyDown) {
utf8_char[0] = '\0';
ascii = '\0';
}
else {
ascii = utf8_char[0] & 0x80 ? '?' : utf8_char[0];
}
event = new GHOST_EventKey(system->getMilliSeconds(), keyDown ? GHOST_kEventKeyDown : GHOST_kEventKeyUp, window, key, ascii, utf8_char);
// GHOST_PRINTF("%c\n", ascii); // we already get this info via EventPrinter
}
else {
event = NULL;
}
return event;
}
GHOST_Event *GHOST_SystemWin32::processWindowEvent(GHOST_TEventType type, GHOST_WindowWin32 *window)
{
GHOST_SystemWin32 *system = (GHOST_SystemWin32 *)getSystem();
if (type == GHOST_kEventWindowActivate) {
system->getWindowManager()->setActiveWindow(window);
window->bringTabletContextToFront();
}
return new GHOST_Event(system->getMilliSeconds(), type, window);
}
#ifdef WITH_INPUT_IME
GHOST_Event *GHOST_SystemWin32::processImeEvent(GHOST_TEventType type, GHOST_WindowWin32 *window, GHOST_TEventImeData *data)
{
GHOST_SystemWin32 *system = (GHOST_SystemWin32 *)getSystem();
return new GHOST_EventIME(system->getMilliSeconds(), type, window, data);
}
#endif
GHOST_TSuccess GHOST_SystemWin32::pushDragDropEvent(
GHOST_TEventType eventType,
GHOST_TDragnDropTypes draggedObjectType,
GHOST_WindowWin32 *window,
int mouseX, int mouseY,
void *data)
{
GHOST_SystemWin32 *system = (GHOST_SystemWin32 *)getSystem();
return system->pushEvent(new GHOST_EventDragnDrop(system->getMilliSeconds(),
eventType,
draggedObjectType,
window, mouseX, mouseY, data)
);
}
void GHOST_SystemWin32::processMinMaxInfo(MINMAXINFO *minmax)
{
minmax->ptMinTrackSize.x = 320;
minmax->ptMinTrackSize.y = 240;
}
#ifdef WITH_INPUT_NDOF
bool GHOST_SystemWin32::processNDOF(RAWINPUT const &raw)
{
bool eventSent = false;
GHOST_TUns64 now = getMilliSeconds();
static bool firstEvent = true;
if (firstEvent) { // determine exactly which device is plugged in
RID_DEVICE_INFO info;
unsigned infoSize = sizeof(RID_DEVICE_INFO);
info.cbSize = infoSize;
GetRawInputDeviceInfo(raw.header.hDevice, RIDI_DEVICEINFO, &info, &infoSize);
if (info.dwType == RIM_TYPEHID)
m_ndofManager->setDevice(info.hid.dwVendorId, info.hid.dwProductId);
else
GHOST_PRINT("<!> not a HID device... mouse/kb perhaps?\n");
firstEvent = false;
}
// The NDOF manager sends button changes immediately, and *pretends* to
// send motion. Mark as 'sent' so motion will always get dispatched.
eventSent = true;
BYTE const *data = raw.data.hid.bRawData;
BYTE packetType = data[0];
switch (packetType) {
case 1: // translation
{
const short *axis = (short *)(data + 1);
// massage into blender view coords (same goes for rotation)
const int t[3] = {axis[0], -axis[2], axis[1]};
m_ndofManager->updateTranslation(t, now);
if (raw.data.hid.dwSizeHid == 13) {
// this report also includes rotation
const int r[3] = {-axis[3], axis[5], -axis[4]};
m_ndofManager->updateRotation(r, now);
// I've never gotten one of these, has anyone else?
GHOST_PRINT("ndof: combined T + R\n");
}
break;
}
case 2: // rotation
{
const short *axis = (short *)(data + 1);
const int r[3] = {-axis[0], axis[2], -axis[1]};
m_ndofManager->updateRotation(r, now);
break;
}
case 3: // buttons
{
int button_bits;
memcpy(&button_bits, data + 1, sizeof(button_bits));
m_ndofManager->updateButtons(button_bits, now);
break;
}
}
return eventSent;
}
#endif // WITH_INPUT_NDOF
LRESULT WINAPI GHOST_SystemWin32::s_wndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
GHOST_Event *event = NULL;
bool eventHandled = false;
LRESULT lResult = 0;
GHOST_SystemWin32 *system = (GHOST_SystemWin32 *)getSystem();
GHOST_EventManager *eventManager = system->getEventManager();
GHOST_ASSERT(system, "GHOST_SystemWin32::s_wndProc(): system not initialized");
if (hwnd) {
#if 0
// Disabled due to bug in Intel drivers, see T51959
if(msg == WM_NCCREATE) {
// Tell Windows to automatically handle scaling of non-client areas
// such as the caption bar. EnableNonClientDpiScaling was introduced in Windows 10
HMODULE m_user32 = ::LoadLibrary("User32.dll");
if (m_user32) {
GHOST_WIN32_EnableNonClientDpiScaling fpEnableNonClientDpiScaling =
(GHOST_WIN32_EnableNonClientDpiScaling) ::GetProcAddress(m_user32, "EnableNonClientDpiScaling");
if (fpEnableNonClientDpiScaling) {
fpEnableNonClientDpiScaling(hwnd);
}
}
}
#endif
GHOST_WindowWin32 *window = (GHOST_WindowWin32 *)::GetWindowLongPtr(hwnd, GWLP_USERDATA);
if (window) {
switch (msg) {
// we need to check if new key layout has AltGr
case WM_INPUTLANGCHANGE:
{
system->handleKeyboardChange();
#ifdef WITH_INPUT_IME
window->getImeInput()->SetInputLanguage();
#endif
break;
}
////////////////////////////////////////////////////////////////////////
// Keyboard events, processed
////////////////////////////////////////////////////////////////////////
case WM_INPUT:
{
// check WM_INPUT from input sink when ghost window is not in the foreground
if (wParam == RIM_INPUTSINK) {
if (GetFocus() != hwnd) // WM_INPUT message not for this window
return 0;
} //else wParam == RIM_INPUT
RAWINPUT raw;
RAWINPUT *raw_ptr = &raw;
UINT rawSize = sizeof(RAWINPUT);
GetRawInputData((HRAWINPUT)lParam, RID_INPUT, raw_ptr, &rawSize, sizeof(RAWINPUTHEADER));
switch (raw.header.dwType) {
case RIM_TYPEKEYBOARD:
event = processKeyEvent(window, raw);
if (!event) {
GHOST_PRINT("GHOST_SystemWin32::wndProc: key event ");
GHOST_PRINT(msg);
GHOST_PRINT(" key ignored\n");
}
break;
#ifdef WITH_INPUT_NDOF
case RIM_TYPEHID:
if (system->processNDOF(raw))
eventHandled = true;
break;
#endif
}
break;
}
#ifdef WITH_INPUT_IME
////////////////////////////////////////////////////////////////////////
// IME events, processed, read more in GHOST_IME.h
////////////////////////////////////////////////////////////////////////
case WM_IME_SETCONTEXT:
{
GHOST_ImeWin32 *ime = window->getImeInput();
ime->SetInputLanguage();
ime->CreateImeWindow(hwnd);
ime->CleanupComposition(hwnd);
ime->CheckFirst(hwnd);
break;
}
case WM_IME_STARTCOMPOSITION:
{
GHOST_ImeWin32 *ime = window->getImeInput();
eventHandled = true;
/* remove input event before start comp event, avoid redundant input */
eventManager->removeTypeEvents(GHOST_kEventKeyDown, window);
ime->CreateImeWindow(hwnd);
ime->ResetComposition(hwnd);
event = processImeEvent(
GHOST_kEventImeCompositionStart,
window,
&ime->eventImeData);
break;
}
case WM_IME_COMPOSITION:
{
GHOST_ImeWin32 *ime = window->getImeInput();
eventHandled = true;
ime->UpdateImeWindow(hwnd);
ime->UpdateInfo(hwnd);
if (ime->eventImeData.result_len) {
/* remove redundant IME event */
eventManager->removeTypeEvents(GHOST_kEventImeComposition, window);
}
event = processImeEvent(
GHOST_kEventImeComposition,
window,
&ime->eventImeData);
break;
}
case WM_IME_ENDCOMPOSITION:
{
GHOST_ImeWin32 *ime = window->getImeInput();
eventHandled = true;
/* remove input event after end comp event, avoid redundant input */
eventManager->removeTypeEvents(GHOST_kEventKeyDown, window);
ime->ResetComposition(hwnd);
ime->DestroyImeWindow(hwnd);
event = processImeEvent(
GHOST_kEventImeCompositionEnd,
window,
&ime->eventImeData);
break;
}
#endif /* WITH_INPUT_IME */
////////////////////////////////////////////////////////////////////////
// Keyboard events, ignored
////////////////////////////////////////////////////////////////////////
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
case WM_KEYUP:
case WM_SYSKEYUP:
/* These functions were replaced by WM_INPUT*/
case WM_CHAR:
/* The WM_CHAR message is posted to the window with the keyboard focus when
* a WM_KEYDOWN message is translated by the TranslateMessage function. WM_CHAR
* contains the character code of the key that was pressed.
*/
case WM_DEADCHAR:
/* The WM_DEADCHAR message is posted to the window with the keyboard focus when a
* WM_KEYUP message is translated by the TranslateMessage function. WM_DEADCHAR
* specifies a character code generated by a dead key. A dead key is a key that
* generates a character, such as the umlaut (double-dot), that is combined with
* another character to form a composite character. For example, the umlaut-O
* character (Ö) is generated by typing the dead key for the umlaut character, and
* then typing the O key.
*/
break;
case WM_SYSDEADCHAR:
/* The WM_SYSDEADCHAR message is sent to the window with the keyboard focus when
* a WM_SYSKEYDOWN message is translated by the TranslateMessage function.
* WM_SYSDEADCHAR specifies the character code of a system dead key - that is,
* a dead key that is pressed while holding down the alt key.
*/
case WM_SYSCHAR:
/* The WM_SYSCHAR message is sent to the window with the keyboard focus when
* a WM_SYSCHAR message is translated by the TranslateMessage function.
* WM_SYSCHAR specifies the character code of a dead key - that is,
* a dead key that is pressed while holding down the alt key.
* To prevent the sound, DefWindowProc must be avoided by return
*/
break;
case WM_SYSCOMMAND:
/* The WM_SYSCHAR message is sent to the window when system commands such as
* maximize, minimize or close the window are triggered. Also it is sent when ALT
* button is press for menu. To prevent this we must return preventing DefWindowProc.
*/
if (wParam == SC_KEYMENU) {
eventHandled = true;
}
break;
////////////////////////////////////////////////////////////////////////
// Tablet events, processed
////////////////////////////////////////////////////////////////////////
case WT_PACKET:
window->processWin32TabletEvent(wParam, lParam);
break;
case WT_CSRCHANGE:
case WT_PROXIMITY:
window->processWin32TabletInitEvent();
break;
////////////////////////////////////////////////////////////////////////
// Mouse events, processed
////////////////////////////////////////////////////////////////////////
case WM_LBUTTONDOWN:
window->registerMouseClickEvent(0);
event = processButtonEvent(GHOST_kEventButtonDown, window, GHOST_kButtonMaskLeft);
break;
case WM_MBUTTONDOWN:
window->registerMouseClickEvent(0);
event = processButtonEvent(GHOST_kEventButtonDown, window, GHOST_kButtonMaskMiddle);
break;
case WM_RBUTTONDOWN:
window->registerMouseClickEvent(0);
event = processButtonEvent(GHOST_kEventButtonDown, window, GHOST_kButtonMaskRight);
break;
case WM_XBUTTONDOWN:
window->registerMouseClickEvent(0);
if ((short) HIWORD(wParam) == XBUTTON1) {
event = processButtonEvent(GHOST_kEventButtonDown, window, GHOST_kButtonMaskButton4);
}
else if ((short) HIWORD(wParam) == XBUTTON2) {
event = processButtonEvent(GHOST_kEventButtonDown, window, GHOST_kButtonMaskButton5);
}
break;
case WM_LBUTTONUP:
window->registerMouseClickEvent(1);
event = processButtonEvent(GHOST_kEventButtonUp, window, GHOST_kButtonMaskLeft);
break;
case WM_MBUTTONUP:
window->registerMouseClickEvent(1);
event = processButtonEvent(GHOST_kEventButtonUp, window, GHOST_kButtonMaskMiddle);
break;
case WM_RBUTTONUP:
window->registerMouseClickEvent(1);
event = processButtonEvent(GHOST_kEventButtonUp, window, GHOST_kButtonMaskRight);
break;
case WM_XBUTTONUP:
window->registerMouseClickEvent(1);
if ((short) HIWORD(wParam) == XBUTTON1) {
event = processButtonEvent(GHOST_kEventButtonUp, window, GHOST_kButtonMaskButton4);
}
else if ((short) HIWORD(wParam) == XBUTTON2) {
event = processButtonEvent(GHOST_kEventButtonUp, window, GHOST_kButtonMaskButton5);
}
break;
case WM_MOUSEMOVE:
event = processCursorEvent(GHOST_kEventCursorMove, window);
break;
case WM_MOUSEWHEEL:
{
/* The WM_MOUSEWHEEL message is sent to the focus window
* when the mouse wheel is rotated. The DefWindowProc
* function propagates the message to the window's parent.
* There should be no internal forwarding of the message,
* since DefWindowProc propagates it up the parent chain
* until it finds a window that processes it.
*/
/* Get the window under the mouse and send event to its queue. */
POINT mouse_pos = {GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)};
HWND mouse_hwnd = ChildWindowFromPoint(HWND_DESKTOP, mouse_pos);
GHOST_WindowWin32 *mouse_window = (GHOST_WindowWin32 *)::GetWindowLongPtr(mouse_hwnd, GWLP_USERDATA);
processWheelEvent(mouse_window ? mouse_window : window , wParam, lParam);
eventHandled = true;
#ifdef BROKEN_PEEK_TOUCHPAD
PostMessage(hwnd, WM_USER, 0, 0);
#endif
break;
}
case WM_SETCURSOR:
/* The WM_SETCURSOR message is sent to a window if the mouse causes the cursor
* to move within a window and mouse input is not captured.
* This means we have to set the cursor shape every time the mouse moves!
* The DefWindowProc function uses this message to set the cursor to an
* arrow if it is not in the client area.
*/
if (LOWORD(lParam) == HTCLIENT) {
// Load the current cursor
window->loadCursor(window->getCursorVisibility(), window->getCursorShape());
// Bypass call to DefWindowProc
return 0;
}
else {
// Outside of client area show standard cursor
window->loadCursor(true, GHOST_kStandardCursorDefault);
}
break;
////////////////////////////////////////////////////////////////////////
// Mouse events, ignored
////////////////////////////////////////////////////////////////////////
case WM_NCMOUSEMOVE:
/* The WM_NCMOUSEMOVE message is posted to a window when the cursor is moved
* within the nonclient area of the window. This message is posted to the window
* that contains the cursor. If a window has captured the mouse, this message is not posted.
*/
case WM_NCHITTEST:
/* The WM_NCHITTEST message is sent to a window when the cursor moves, or
* when a mouse button is pressed or released. If the mouse is not captured,
* the message is sent to the window beneath the cursor. Otherwise, the message
* is sent to the window that has captured the mouse.
*/
break;
////////////////////////////////////////////////////////////////////////
// Window events, processed
////////////////////////////////////////////////////////////////////////
case WM_CLOSE:
/* The WM_CLOSE message is sent as a signal that a window or an application should terminate. */
event = processWindowEvent(GHOST_kEventWindowClose, window);
break;
case WM_ACTIVATE:
/* The WM_ACTIVATE message is sent to both the window being activated and the window being
* deactivated. If the windows use the same input queue, the message is sent synchronously,
* first to the window procedure of the top-level window being deactivated, then to the window
* procedure of the top-level window being activated. If the windows use different input queues,
* the message is sent asynchronously, so the window is activated immediately.
*/
{
GHOST_ModifierKeys modifiers;
modifiers.clear();
system->storeModifierKeys(modifiers);
system->m_wheelDeltaAccum = 0;
event = processWindowEvent(LOWORD(wParam) ? GHOST_kEventWindowActivate : GHOST_kEventWindowDeactivate, window);
/* WARNING: Let DefWindowProc handle WM_ACTIVATE, otherwise WM_MOUSEWHEEL
* will not be dispatched to OUR active window if we minimize one of OUR windows. */
if (LOWORD(wParam) == WA_INACTIVE)
window->lostMouseCapture();
window->processWin32TabletActivateEvent(GET_WM_ACTIVATE_STATE(wParam, lParam));
lResult = ::DefWindowProc(hwnd, msg, wParam, lParam);
break;
}
case WM_ENTERSIZEMOVE:
/* The WM_ENTERSIZEMOVE message is sent one time to a window after it enters the moving
* or sizing modal loop. The window enters the moving or sizing modal loop when the user
* clicks the window's title bar or sizing border, or when the window passes the
* WM_SYSCOMMAND message to the DefWindowProc function and the wParam parameter of the
* message specifies the SC_MOVE or SC_SIZE value. The operation is complete when
* DefWindowProc returns.
*/
window->m_inLiveResize = 1;
break;
case WM_EXITSIZEMOVE:
window->m_inLiveResize = 0;
break;
case WM_PAINT:
/* An application sends the WM_PAINT message when the system or another application
* makes a request to paint a portion of an application's window. The message is sent
* when the UpdateWindow or RedrawWindow function is called, or by the DispatchMessage
* function when the application obtains a WM_PAINT message by using the GetMessage or
* PeekMessage function.
*/
if (!window->m_inLiveResize) {
event = processWindowEvent(GHOST_kEventWindowUpdate, window);
::ValidateRect(hwnd, NULL);
}
else {
eventHandled = true;
}
break;
case WM_GETMINMAXINFO:
/* The WM_GETMINMAXINFO message is sent to a window when the size or
* position of the window is about to change. An application can use
* this message to override the window's default maximized size and
* position, or its default minimum or maximum tracking size.
*/
processMinMaxInfo((MINMAXINFO *) lParam);
/* Let DefWindowProc handle it. */
break;
case WM_SIZING:
case WM_SIZE:
/* The WM_SIZE message is sent to a window after its size has changed.
* The WM_SIZE and WM_MOVE messages are not sent if an application handles the
* WM_WINDOWPOSCHANGED message without calling DefWindowProc. It is more efficient
* to perform any move or size change processing during the WM_WINDOWPOSCHANGED
* message without calling DefWindowProc.
*/
/* we get first WM_SIZE before we fully init. So, do not dispatch before we continiously resizng */
if (window->m_inLiveResize) {
system->pushEvent(processWindowEvent(GHOST_kEventWindowSize, window));
system->dispatchEvents();
}
else {
event = processWindowEvent(GHOST_kEventWindowSize, window);
}
break;
case WM_CAPTURECHANGED:
window->lostMouseCapture();
break;
case WM_MOVING:
/* The WM_MOVING message is sent to a window that the user is moving. By processing
* this message, an application can monitor the size and position of the drag rectangle
* and, if needed, change its size or position.
*/
case WM_MOVE:
/* The WM_SIZE and WM_MOVE messages are not sent if an application handles the
* WM_WINDOWPOSCHANGED message without calling DefWindowProc. It is more efficient
* to perform any move or size change processing during the WM_WINDOWPOSCHANGED
* message without calling DefWindowProc.
*/
/* see WM_SIZE comment*/
if (window->m_inLiveResize) {
system->pushEvent(processWindowEvent(GHOST_kEventWindowMove, window));
system->dispatchEvents();
}
else {
event = processWindowEvent(GHOST_kEventWindowMove, window);
}
break;
case WM_DPICHANGED:
/* The WM_DPICHANGED message is sent when the effective dots per inch (dpi) for a window has changed.
* The DPI is the scale factor for a window. There are multiple events that can cause the DPI to
* change such as when the window is moved to a monitor with a different DPI.
*/
{
WORD newYAxisDPI = HIWORD(wParam);
WORD newXAxisDPI = LOWORD(wParam);
// The suggested new size and position of the window.
RECT* const suggestedWindowRect = (RECT*)lParam;
// Push DPI change event first
system->pushEvent(processWindowEvent(GHOST_kEventWindowDPIHintChanged, window));
system->dispatchEvents();
eventHandled = true;
// Then move and resize window
SetWindowPos(hwnd,
NULL,
suggestedWindowRect->left,
suggestedWindowRect->top,
suggestedWindowRect->right - suggestedWindowRect->left,
suggestedWindowRect->bottom - suggestedWindowRect->top,
SWP_NOZORDER | SWP_NOACTIVATE);
}
break;
////////////////////////////////////////////////////////////////////////
// Window events, ignored
////////////////////////////////////////////////////////////////////////
case WM_WINDOWPOSCHANGED:
/* The WM_WINDOWPOSCHANGED message is sent to a window whose size, position, or place
* in the Z order has changed as a result of a call to the SetWindowPos function or
* another window-management function.
* The WM_SIZE and WM_MOVE messages are not sent if an application handles the
* WM_WINDOWPOSCHANGED message without calling DefWindowProc. It is more efficient
* to perform any move or size change processing during the WM_WINDOWPOSCHANGED
* message without calling DefWindowProc.
*/
case WM_ERASEBKGND:
/* An application sends the WM_ERASEBKGND message when the window background must be
* erased (for example, when a window is resized). The message is sent to prepare an
* invalidated portion of a window for painting.
*/
case WM_NCPAINT:
/* An application sends the WM_NCPAINT message to a window when its frame must be painted. */
case WM_NCACTIVATE:
/* The WM_NCACTIVATE message is sent to a window when its nonclient area needs to be changed
* to indicate an active or inactive state.
*/
case WM_DESTROY:
/* The WM_DESTROY message is sent when a window is being destroyed. It is sent to the window
* procedure of the window being destroyed after the window is removed from the screen.
* This message is sent first to the window being destroyed and then to the child windows
* (if any) as they are destroyed. During the processing of the message, it can be assumed
* that all child windows still exist.
*/
case WM_NCDESTROY:
/* The WM_NCDESTROY message informs a window that its nonclient area is being destroyed. The
* DestroyWindow function sends the WM_NCDESTROY message to the window following the WM_DESTROY
* message. WM_DESTROY is used to free the allocated memory object associated with the window.
*/
break;
case WM_KILLFOCUS:
/* The WM_KILLFOCUS message is sent to a window immediately before it loses the keyboard focus.
* We want to prevent this if a window is still active and it loses focus to nowhere*/
if (!wParam && hwnd == ::GetActiveWindow())
::SetFocus(hwnd);
case WM_SHOWWINDOW:
/* The WM_SHOWWINDOW message is sent to a window when the window is about to be hidden or shown. */
case WM_WINDOWPOSCHANGING:
/* The WM_WINDOWPOSCHANGING message is sent to a window whose size, position, or place in
* the Z order is about to change as a result of a call to the SetWindowPos function or
* another window-management function.
*/
case WM_SETFOCUS:
/* The WM_SETFOCUS message is sent to a window after it has gained the keyboard focus. */
break;
////////////////////////////////////////////////////////////////////////
// Other events
////////////////////////////////////////////////////////////////////////
case WM_GETTEXT:
/* An application sends a WM_GETTEXT message to copy the text that
* corresponds to a window into a buffer provided by the caller.
*/
case WM_ACTIVATEAPP:
/* The WM_ACTIVATEAPP message is sent when a window belonging to a
* different application than the active window is about to be activated.
* The message is sent to the application whose window is being activated
* and to the application whose window is being deactivated.
*/
case WM_TIMER:
/* The WIN32 docs say:
* The WM_TIMER message is posted to the installing thread's message queue
* when a timer expires. You can process the message by providing a WM_TIMER
* case in the window procedure. Otherwise, the default window procedure will
* call the TimerProc callback function specified in the call to the SetTimer
* function used to install the timer.
*
* In GHOST, we let DefWindowProc call the timer callback.
*/
break;
}
}
else {
// Event found for a window before the pointer to the class has been set.
GHOST_PRINT("GHOST_SystemWin32::wndProc: GHOST window event before creation\n");
/* These are events we typically miss at this point:
* WM_GETMINMAXINFO 0x24
* WM_NCCREATE 0x81
* WM_NCCALCSIZE 0x83
* WM_CREATE 0x01
* We let DefWindowProc do the work.
*/
}
}
else {
// Events without valid hwnd
GHOST_PRINT("GHOST_SystemWin32::wndProc: event without window\n");
}
if (event) {
system->pushEvent(event);
eventHandled = true;
}
if (!eventHandled)
lResult = ::DefWindowProcW(hwnd, msg, wParam, lParam);
return lResult;
}
GHOST_TUns8 *GHOST_SystemWin32::getClipboard(bool selection) const
{
char *temp_buff;
if (IsClipboardFormatAvailable(CF_UNICODETEXT) && OpenClipboard(NULL) ) {
wchar_t *buffer;
HANDLE hData = GetClipboardData(CF_UNICODETEXT);
if (hData == NULL) {
CloseClipboard();
return NULL;
}
buffer = (wchar_t *)GlobalLock(hData);
if (!buffer) {
CloseClipboard();
return NULL;
}
temp_buff = alloc_utf_8_from_16(buffer, 0);
/* Buffer mustn't be accessed after CloseClipboard
* it would like accessing free-d memory */
GlobalUnlock(hData);
CloseClipboard();
return (GHOST_TUns8 *)temp_buff;
}
else if (IsClipboardFormatAvailable(CF_TEXT) && OpenClipboard(NULL) ) {
char *buffer;
size_t len = 0;
HANDLE hData = GetClipboardData(CF_TEXT);
if (hData == NULL) {
CloseClipboard();
return NULL;
}
buffer = (char *)GlobalLock(hData);
if (!buffer) {
CloseClipboard();
return NULL;
}
len = strlen(buffer);
temp_buff = (char *) malloc(len + 1);
strncpy(temp_buff, buffer, len);
temp_buff[len] = '\0';
/* Buffer mustn't be accessed after CloseClipboard
* it would like accessing free-d memory */
GlobalUnlock(hData);
CloseClipboard();
return (GHOST_TUns8 *)temp_buff;
}
else {
return NULL;
}
}
void GHOST_SystemWin32::putClipboard(GHOST_TInt8 *buffer, bool selection) const
{
if (selection) {return; } // for copying the selection, used on X11
if (OpenClipboard(NULL)) {
HLOCAL clipbuffer;
wchar_t *data;
if (buffer) {
size_t len = count_utf_16_from_8(buffer);
EmptyClipboard();
clipbuffer = LocalAlloc(LMEM_FIXED, sizeof(wchar_t) * len);
data = (wchar_t *)GlobalLock(clipbuffer);
conv_utf_8_to_16(buffer, data, len);
LocalUnlock(clipbuffer);
SetClipboardData(CF_UNICODETEXT, clipbuffer);
}
CloseClipboard();
}
else {
return;
}
}
static DWORD GetParentProcessID(void)
{
HANDLE snapshot;
PROCESSENTRY32 pe32 = {0};
DWORD ppid = 0, pid = GetCurrentProcessId();
snapshot = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, 0 );
if (snapshot == INVALID_HANDLE_VALUE) {
return -1;
}
pe32.dwSize = sizeof( pe32 );
if (!Process32First(snapshot, &pe32)) {
CloseHandle(snapshot);
return -1;
}
do {
if (pe32.th32ProcessID == pid) {
ppid = pe32.th32ParentProcessID;
break;
}
} while (Process32Next(snapshot, &pe32));
CloseHandle(snapshot);
return ppid;
}
static bool getProcessName(int pid, char *buffer, int max_len)
{
bool result = false;
HANDLE handle = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
FALSE, pid);
if (handle) {
GetModuleFileNameEx(handle, 0, buffer, max_len);
result = true;
}
CloseHandle(handle);
return result;
}
static bool isStartedFromCommandPrompt()
{
HWND hwnd = GetConsoleWindow();
if (hwnd) {
DWORD pid = (DWORD)-1;
DWORD ppid = GetParentProcessID();
char parent_name[MAX_PATH];
bool start_from_launcher = false;
GetWindowThreadProcessId(hwnd, &pid);
if (getProcessName(ppid, parent_name, sizeof(parent_name))) {
char *filename = strrchr(parent_name, '\\');
if (filename != NULL) {
start_from_launcher = strstr(filename, "blender.exe") != NULL;
}
}
/* When we're starting from a wrapper we need to compare with parent process ID. */
if (pid == (start_from_launcher ? ppid : GetCurrentProcessId()))
return true;
}
return false;
}
int GHOST_SystemWin32::toggleConsole(int action)
{
switch (action) {
case 3: // startup: hide if not started from command prompt
{
if (isStartedFromCommandPrompt()) {
ShowWindow(GetConsoleWindow(), SW_HIDE);
m_consoleStatus = 0;
}
break;
}
case 0: // hide
ShowWindow(GetConsoleWindow(), SW_HIDE);
m_consoleStatus = 0;
break;
case 1: // show
ShowWindow(GetConsoleWindow(), SW_SHOW);
m_consoleStatus = 1;
break;
case 2: // toggle
ShowWindow(GetConsoleWindow(), m_consoleStatus ? SW_HIDE : SW_SHOW);
m_consoleStatus = !m_consoleStatus;
break;
}
return m_consoleStatus;
}
int GHOST_SystemWin32::confirmQuit(GHOST_IWindow *window) const
{
return (MessageBox(window ? ((GHOST_WindowWin32 *)window)->getHWND() : 0, "Some changes have not been saved.\nDo you really want to quit?",
"Exit Blender", MB_OKCANCEL | MB_ICONWARNING | MB_TOPMOST) == IDOK);
}
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