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|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup GHOST
*/
#include "GHOST_WindowWayland.h"
#include "GHOST_SystemWayland.h"
#include "GHOST_WaylandUtils.h"
#include "GHOST_WindowManager.h"
#include "GHOST_Event.h"
#include "GHOST_ContextEGL.h"
#include "GHOST_ContextNone.h"
#include <wayland-client-protocol.h>
#include <wayland-egl.h>
#include <algorithm> /* For `std::find`. */
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
# include <libdecor.h>
#endif
static constexpr size_t base_dpi = 96;
static GHOST_WindowManager *window_manager = nullptr;
struct window_t {
GHOST_WindowWayland *w = nullptr;
struct wl_surface *wl_surface = nullptr;
/**
* Outputs on which the window is currently shown on.
*
* This is an ordered set (whoever adds to this is responsible for keeping members unique).
* In practice this is rarely manipulated and is limited by the number of physical displays.
*/
std::vector<output_t *> outputs;
/** The scale value written to #wl_surface_set_buffer_scale. */
int scale = 0;
/**
* The DPI, either:
* - `scale * base_dpi`
* - `wl_fixed_to_int(scale_fractional * base_dpi)`
* When fractional scaling is available.
*/
uint32_t dpi = 0;
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
struct libdecor_frame *decor_frame = nullptr;
bool decor_configured = false;
#else
struct xdg_surface *xdg_surface = nullptr;
struct zxdg_toplevel_decoration_v1 *xdg_toplevel_decoration = nullptr;
struct xdg_toplevel *xdg_toplevel = nullptr;
enum zxdg_toplevel_decoration_v1_mode decoration_mode = (enum zxdg_toplevel_decoration_v1_mode)0;
#endif
wl_egl_window *egl_window = nullptr;
bool is_maximised = false;
bool is_fullscreen = false;
bool is_active = false;
bool is_dialog = false;
int32_t size[2] = {0, 0};
int32_t size_pending[2] = {0, 0};
};
/* -------------------------------------------------------------------- */
/** \name Internal Utilities
* \{ */
/**
* Return -1 if `output_a` has a scale smaller than `output_b`, 0 when there equal, otherwise 1.
*/
static int output_scale_cmp(const output_t *output_a, const output_t *output_b)
{
if (output_a->scale < output_b->scale) {
return -1;
}
if (output_a->scale > output_b->scale) {
return 1;
}
if (output_a->has_scale_fractional || output_b->has_scale_fractional) {
const wl_fixed_t scale_fractional_a = output_a->has_scale_fractional ?
output_a->scale_fractional :
wl_fixed_from_int(output_a->scale);
const wl_fixed_t scale_fractional_b = output_b->has_scale_fractional ?
output_b->scale_fractional :
wl_fixed_from_int(output_b->scale);
if (scale_fractional_a < scale_fractional_b) {
return -1;
}
if (scale_fractional_a > scale_fractional_b) {
return 1;
}
}
return 0;
}
static int outputs_max_scale_or_default(const std::vector<output_t *> &outputs,
const int32_t scale_default,
uint32_t *r_dpi)
{
const output_t *output_max = nullptr;
for (const output_t *reg_output : outputs) {
if (!output_max || (output_scale_cmp(output_max, reg_output) == -1)) {
output_max = reg_output;
}
}
if (output_max) {
if (r_dpi) {
*r_dpi = output_max->has_scale_fractional ?
/* Fractional DPI. */
wl_fixed_to_int(output_max->scale_fractional * base_dpi) :
/* Simple non-fractional DPI. */
(output_max->scale * base_dpi);
}
return output_max->scale;
}
if (r_dpi) {
*r_dpi = scale_default * base_dpi;
}
return scale_default;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Listener (XDG Top Level), #xdg_toplevel_listener
* \{ */
#ifndef WITH_GHOST_WAYLAND_LIBDECOR
static void xdg_toplevel_handle_configure(void *data,
xdg_toplevel * /*xdg_toplevel*/,
const int32_t width,
const int32_t height,
wl_array *states)
{
window_t *win = static_cast<window_t *>(data);
win->size_pending[0] = win->scale * width;
win->size_pending[1] = win->scale * height;
win->is_maximised = false;
win->is_fullscreen = false;
win->is_active = false;
enum xdg_toplevel_state *state;
WL_ARRAY_FOR_EACH (state, states) {
switch (*state) {
case XDG_TOPLEVEL_STATE_MAXIMIZED:
win->is_maximised = true;
break;
case XDG_TOPLEVEL_STATE_FULLSCREEN:
win->is_fullscreen = true;
break;
case XDG_TOPLEVEL_STATE_ACTIVATED:
win->is_active = true;
break;
default:
break;
}
}
}
static void xdg_toplevel_handle_close(void *data, xdg_toplevel * /*xdg_toplevel*/)
{
static_cast<window_t *>(data)->w->close();
}
static const xdg_toplevel_listener toplevel_listener = {
xdg_toplevel_handle_configure,
xdg_toplevel_handle_close,
};
#endif /* !WITH_GHOST_WAYLAND_LIBDECOR. */
/** \} */
/* -------------------------------------------------------------------- */
/** \name Listener (LibDecor Frame), #libdecor_frame_interface
* \{ */
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
static void frame_handle_configure(struct libdecor_frame *frame,
struct libdecor_configuration *configuration,
void *data)
{
window_t *win = static_cast<window_t *>(data);
int size_next[2];
enum libdecor_window_state window_state;
struct libdecor_state *state;
if (!libdecor_configuration_get_content_size(
configuration, frame, &size_next[0], &size_next[1])) {
size_next[0] = win->size[0] / win->scale;
size_next[1] = win->size[1] / win->scale;
}
win->size[0] = win->scale * size_next[0];
win->size[1] = win->scale * size_next[1];
wl_egl_window_resize(win->egl_window, win->size[0], win->size[1], 0, 0);
win->w->notify_size();
if (!libdecor_configuration_get_window_state(configuration, &window_state)) {
window_state = LIBDECOR_WINDOW_STATE_NONE;
}
win->is_maximised = window_state & LIBDECOR_WINDOW_STATE_MAXIMIZED;
win->is_fullscreen = window_state & LIBDECOR_WINDOW_STATE_FULLSCREEN;
win->is_active = window_state & LIBDECOR_WINDOW_STATE_ACTIVE;
win->is_active ? win->w->activate() : win->w->deactivate();
state = libdecor_state_new(size_next[0], size_next[1]);
libdecor_frame_commit(frame, state, configuration);
libdecor_state_free(state);
win->decor_configured = true;
}
static void frame_handle_close(struct libdecor_frame * /*frame*/, void *data)
{
static_cast<window_t *>(data)->w->close();
}
static void frame_handle_commit(struct libdecor_frame * /*frame*/, void *data)
{
/* We have to swap twice to keep any pop-up menus alive. */
static_cast<window_t *>(data)->w->swapBuffers();
static_cast<window_t *>(data)->w->swapBuffers();
}
static struct libdecor_frame_interface libdecor_frame_iface = {
frame_handle_configure,
frame_handle_close,
frame_handle_commit,
};
#endif /* WITH_GHOST_WAYLAND_LIBDECOR. */
/** \} */
/* -------------------------------------------------------------------- */
/** \name Listener (XDG Decoration Listener), #zxdg_toplevel_decoration_v1_listener
* \{ */
#ifndef WITH_GHOST_WAYLAND_LIBDECOR
static void xdg_toplevel_decoration_handle_configure(
void *data,
struct zxdg_toplevel_decoration_v1 * /*zxdg_toplevel_decoration_v1*/,
const uint32_t mode)
{
static_cast<window_t *>(data)->decoration_mode = zxdg_toplevel_decoration_v1_mode(mode);
}
static const zxdg_toplevel_decoration_v1_listener toplevel_decoration_v1_listener = {
xdg_toplevel_decoration_handle_configure,
};
#endif /* !WITH_GHOST_WAYLAND_LIBDECOR. */
/** \} */
/* -------------------------------------------------------------------- */
/** \name Listener (XDG Surface Handle Configure), #xdg_surface_listener
* \{ */
#ifndef WITH_GHOST_WAYLAND_LIBDECOR
static void xdg_surface_handle_configure(void *data,
xdg_surface *xdg_surface,
const uint32_t serial)
{
window_t *win = static_cast<window_t *>(data);
if (win->xdg_surface != xdg_surface) {
return;
}
if (win->size_pending[0] != 0 && win->size_pending[1] != 0) {
win->size[0] = win->size_pending[0];
win->size[1] = win->size_pending[1];
wl_egl_window_resize(win->egl_window, win->size[0], win->size[1], 0, 0);
win->size_pending[0] = 0;
win->size_pending[1] = 0;
win->w->notify_size();
}
if (win->is_active) {
win->w->activate();
}
else {
win->w->deactivate();
}
xdg_surface_ack_configure(xdg_surface, serial);
}
static const xdg_surface_listener xdg_surface_listener = {
xdg_surface_handle_configure,
};
#endif /* !WITH_GHOST_WAYLAND_LIBDECOR. */
/** \} */
/* -------------------------------------------------------------------- */
/** \name Listener (Surface), #wl_surface_listener
* \{ */
static void surface_handle_enter(void *data,
struct wl_surface * /*wl_surface*/,
struct wl_output *output)
{
if (!ghost_wl_output_own(output)) {
return;
}
output_t *reg_output = ghost_wl_output_user_data(output);
GHOST_WindowWayland *win = static_cast<GHOST_WindowWayland *>(data);
if (win->outputs_enter(reg_output)) {
win->outputs_changed_update_scale();
}
}
static void surface_handle_leave(void *data,
struct wl_surface * /*wl_surface*/,
struct wl_output *output)
{
if (!ghost_wl_output_own(output)) {
return;
}
output_t *reg_output = ghost_wl_output_user_data(output);
GHOST_WindowWayland *win = static_cast<GHOST_WindowWayland *>(data);
if (win->outputs_leave(reg_output)) {
win->outputs_changed_update_scale();
}
}
struct wl_surface_listener wl_surface_listener = {
surface_handle_enter,
surface_handle_leave,
};
/** \} */
/* -------------------------------------------------------------------- */
/** \name GHOST Implementation
*
* WAYLAND specific implementation of the #GHOST_Window interface.
* \{ */
GHOST_TSuccess GHOST_WindowWayland::hasCursorShape(GHOST_TStandardCursor cursorShape)
{
return m_system->hasCursorShape(cursorShape);
}
GHOST_WindowWayland::GHOST_WindowWayland(GHOST_SystemWayland *system,
const char *title,
const int32_t /*left*/,
const int32_t /*top*/,
const uint32_t width,
const uint32_t height,
const GHOST_TWindowState state,
const GHOST_IWindow *parentWindow,
const GHOST_TDrawingContextType type,
const bool is_dialog,
const bool stereoVisual,
const bool exclusive)
: GHOST_Window(width, height, state, stereoVisual, exclusive),
m_system(system),
w(new window_t)
{
/* Globally store pointer to window manager. */
if (!window_manager) {
window_manager = m_system->getWindowManager();
}
w->w = this;
w->size[0] = int32_t(width);
w->size[1] = int32_t(height);
w->is_dialog = is_dialog;
/* NOTE(@campbellbarton): The scale set here to avoid flickering on startup.
* When all monitors use the same scale (which is quite common) there aren't any problems.
*
* When monitors have different scales there may still be a visible window resize on startup.
* Ideally it would be possible to know the scale this window will use however that's only
* known once #surface_enter callback runs (which isn't guaranteed to run at all).
*
* Using the maximum scale is best as it results in the window first being smaller,
* avoiding a large window flashing before it's made smaller. */
w->scale = outputs_max_scale_or_default(this->m_system->outputs(), 1, &w->dpi);
/* Window surfaces. */
w->wl_surface = wl_compositor_create_surface(m_system->compositor());
ghost_wl_surface_tag(w->wl_surface);
wl_surface_set_buffer_scale(w->wl_surface, w->scale);
wl_surface_add_listener(w->wl_surface, &wl_surface_listener, this);
w->egl_window = wl_egl_window_create(w->wl_surface, int(w->size[0]), int(w->size[1]));
/* NOTE: The limit is in points (not pixels) so Hi-DPI will limit to larger number of pixels.
* This has the advantage that the size limit is the same when moving the window between monitors
* with different scales set. If it was important to limit in pixels it could be re-calculated
* when the `w->scale` changed. */
const int32_t size_min[2] = {320, 240};
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
/* create window decorations */
w->decor_frame = libdecor_decorate(
m_system->decor_context(), w->wl_surface, &libdecor_frame_iface, w);
libdecor_frame_map(w->decor_frame);
libdecor_frame_set_min_content_size(w->decor_frame, size_min[0], size_min[1]);
if (parentWindow) {
libdecor_frame_set_parent(
w->decor_frame, dynamic_cast<const GHOST_WindowWayland *>(parentWindow)->w->decor_frame);
}
#else
w->xdg_surface = xdg_wm_base_get_xdg_surface(m_system->xdg_shell(), w->wl_surface);
w->xdg_toplevel = xdg_surface_get_toplevel(w->xdg_surface);
xdg_toplevel_set_min_size(w->xdg_toplevel, size_min[0], size_min[1]);
if (m_system->xdg_decoration_manager()) {
w->xdg_toplevel_decoration = zxdg_decoration_manager_v1_get_toplevel_decoration(
m_system->xdg_decoration_manager(), w->xdg_toplevel);
zxdg_toplevel_decoration_v1_add_listener(
w->xdg_toplevel_decoration, &toplevel_decoration_v1_listener, w);
zxdg_toplevel_decoration_v1_set_mode(w->xdg_toplevel_decoration,
ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
}
xdg_surface_add_listener(w->xdg_surface, &xdg_surface_listener, w);
xdg_toplevel_add_listener(w->xdg_toplevel, &toplevel_listener, w);
if (parentWindow && is_dialog) {
xdg_toplevel_set_parent(
w->xdg_toplevel, dynamic_cast<const GHOST_WindowWayland *>(parentWindow)->w->xdg_toplevel);
}
#endif /* !WITH_GHOST_WAYLAND_LIBDECOR */
setTitle(title);
wl_surface_set_user_data(w->wl_surface, this);
/* Call top-level callbacks. */
wl_surface_commit(w->wl_surface);
wl_display_roundtrip(m_system->display());
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
/* It's important not to return until the window is configured or
* calls to `setState` from Blender will crash `libdecor`. */
while (!w->decor_configured) {
if (libdecor_dispatch(m_system->decor_context(), 0) < 0) {
break;
}
}
#endif
#ifdef GHOST_OPENGL_ALPHA
setOpaque();
#endif
#ifndef WITH_GHOST_WAYLAND_LIBDECOR /* Causes a glitch with `libdecor` for some reason. */
setState(state);
#endif
/* EGL context. */
if (setDrawingContextType(type) == GHOST_kFailure) {
GHOST_PRINT("Failed to create EGL context" << std::endl);
}
/* Set swap interval to 0 to prevent blocking. */
setSwapInterval(0);
}
GHOST_TSuccess GHOST_WindowWayland::setWindowCursorGrab(GHOST_TGrabCursorMode mode)
{
if (m_system->window_cursor_grab_set(mode, m_cursorGrab, m_cursorGrabInitPos, w->wl_surface)) {
return GHOST_kSuccess;
}
return GHOST_kFailure;
}
GHOST_TSuccess GHOST_WindowWayland::setWindowCursorShape(GHOST_TStandardCursor shape)
{
const GHOST_TSuccess ok = m_system->setCursorShape(shape);
m_cursorShape = (ok == GHOST_kSuccess) ? shape : GHOST_kStandardCursorDefault;
return ok;
}
bool GHOST_WindowWayland::getCursorGrabUseSoftwareDisplay()
{
return m_system->getCursorGrabUseSoftwareDisplay(m_cursorGrab);
}
GHOST_TSuccess GHOST_WindowWayland::setWindowCustomCursorShape(
uint8_t *bitmap, uint8_t *mask, int sizex, int sizey, int hotX, int hotY, bool canInvertColor)
{
return m_system->setCustomCursorShape(bitmap, mask, sizex, sizey, hotX, hotY, canInvertColor);
}
GHOST_TSuccess GHOST_WindowWayland::getCursorBitmap(GHOST_CursorBitmapRef *bitmap)
{
return m_system->getCursorBitmap(bitmap);
}
void GHOST_WindowWayland::setTitle(const char *title)
{
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
libdecor_frame_set_app_id(w->decor_frame, title);
libdecor_frame_set_title(w->decor_frame, title);
#else
xdg_toplevel_set_title(w->xdg_toplevel, title);
xdg_toplevel_set_app_id(w->xdg_toplevel, title);
#endif
this->title = title;
}
std::string GHOST_WindowWayland::getTitle() const
{
return this->title.empty() ? "untitled" : this->title;
}
void GHOST_WindowWayland::getWindowBounds(GHOST_Rect &bounds) const
{
getClientBounds(bounds);
}
void GHOST_WindowWayland::getClientBounds(GHOST_Rect &bounds) const
{
bounds.set(0, 0, w->size[0], w->size[1]);
}
GHOST_TSuccess GHOST_WindowWayland::setClientWidth(const uint32_t width)
{
return setClientSize(width, uint32_t(w->size[1]));
}
GHOST_TSuccess GHOST_WindowWayland::setClientHeight(const uint32_t height)
{
return setClientSize(uint32_t(w->size[0]), height);
}
GHOST_TSuccess GHOST_WindowWayland::setClientSize(const uint32_t width, const uint32_t height)
{
wl_egl_window_resize(w->egl_window, int(width), int(height), 0, 0);
/* Override any pending size that may be set. */
w->size_pending[0] = 0;
w->size_pending[1] = 0;
w->size[0] = width;
w->size[1] = height;
notify_size();
return GHOST_kSuccess;
}
void GHOST_WindowWayland::screenToClient(int32_t inX,
int32_t inY,
int32_t &outX,
int32_t &outY) const
{
outX = inX;
outY = inY;
}
void GHOST_WindowWayland::clientToScreen(int32_t inX,
int32_t inY,
int32_t &outX,
int32_t &outY) const
{
outX = inX;
outY = inY;
}
GHOST_WindowWayland::~GHOST_WindowWayland()
{
releaseNativeHandles();
wl_egl_window_destroy(w->egl_window);
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
libdecor_frame_unref(w->decor_frame);
#else
if (w->xdg_toplevel_decoration) {
zxdg_toplevel_decoration_v1_destroy(w->xdg_toplevel_decoration);
}
xdg_toplevel_destroy(w->xdg_toplevel);
xdg_surface_destroy(w->xdg_surface);
#endif
/* Clear any pointers to this window. This is needed because there are no guarantees
* that flushing the display will the "leave" handlers before handling events. */
m_system->window_surface_unref(w->wl_surface);
wl_surface_destroy(w->wl_surface);
/* NOTE(@campbellbarton): Flushing will often run the appropriate handlers event
* (#wl_surface_listener.leave in particular) to avoid attempted access to the freed surfaces.
* This is not fool-proof though, hence the call to #window_surface_unref, see: T99078. */
wl_display_flush(m_system->display());
delete w;
}
uint16_t GHOST_WindowWayland::getDPIHint()
{
return w->dpi;
}
GHOST_TSuccess GHOST_WindowWayland::setWindowCursorVisibility(bool visible)
{
return m_system->setCursorVisibility(visible);
}
GHOST_TSuccess GHOST_WindowWayland::setState(GHOST_TWindowState state)
{
switch (state) {
case GHOST_kWindowStateNormal:
/* Unset states. */
switch (getState()) {
case GHOST_kWindowStateMaximized:
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
libdecor_frame_unset_maximized(w->decor_frame);
#else
xdg_toplevel_unset_maximized(w->xdg_toplevel);
#endif
break;
case GHOST_kWindowStateFullScreen:
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
libdecor_frame_unset_fullscreen(w->decor_frame);
#else
xdg_toplevel_unset_fullscreen(w->xdg_toplevel);
#endif
break;
default:
break;
}
break;
case GHOST_kWindowStateMaximized:
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
libdecor_frame_set_maximized(w->decor_frame);
#else
xdg_toplevel_set_maximized(w->xdg_toplevel);
#endif
break;
case GHOST_kWindowStateMinimized:
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
libdecor_frame_set_minimized(w->decor_frame);
#else
xdg_toplevel_set_minimized(w->xdg_toplevel);
#endif
break;
case GHOST_kWindowStateFullScreen:
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
libdecor_frame_set_fullscreen(w->decor_frame, nullptr);
#else
xdg_toplevel_set_fullscreen(w->xdg_toplevel, nullptr);
#endif
break;
case GHOST_kWindowStateEmbedded:
return GHOST_kFailure;
}
return GHOST_kSuccess;
}
GHOST_TWindowState GHOST_WindowWayland::getState() const
{
if (w->is_fullscreen) {
return GHOST_kWindowStateFullScreen;
}
if (w->is_maximised) {
return GHOST_kWindowStateMaximized;
}
return GHOST_kWindowStateNormal;
}
GHOST_TSuccess GHOST_WindowWayland::invalidate()
{
return GHOST_kSuccess;
}
GHOST_TSuccess GHOST_WindowWayland::setOrder(GHOST_TWindowOrder /*order*/)
{
return GHOST_kSuccess;
}
GHOST_TSuccess GHOST_WindowWayland::beginFullScreen() const
{
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
libdecor_frame_set_fullscreen(w->decor_frame, nullptr);
#else
xdg_toplevel_set_fullscreen(w->xdg_toplevel, nullptr);
#endif
return GHOST_kSuccess;
}
GHOST_TSuccess GHOST_WindowWayland::endFullScreen() const
{
#ifdef WITH_GHOST_WAYLAND_LIBDECOR
libdecor_frame_unset_fullscreen(w->decor_frame);
#else
xdg_toplevel_unset_fullscreen(w->xdg_toplevel);
#endif
return GHOST_kSuccess;
}
bool GHOST_WindowWayland::isDialog() const
{
return w->is_dialog;
}
#ifdef GHOST_OPENGL_ALPHA
void GHOST_WindowWayland::setOpaque() const
{
struct wl_region *region;
/* Make the window opaque. */
region = wl_compositor_create_region(m_system->compositor());
wl_region_add(region, 0, 0, w->size[0], w->size[1]);
wl_surface_set_opaque_region(w->surface, region);
wl_region_destroy(region);
}
#endif
/**
* \param type: The type of rendering context create.
* \return Indication of success.
*/
GHOST_Context *GHOST_WindowWayland::newDrawingContext(GHOST_TDrawingContextType type)
{
GHOST_Context *context;
switch (type) {
case GHOST_kDrawingContextTypeNone:
context = new GHOST_ContextNone(m_wantStereoVisual);
break;
case GHOST_kDrawingContextTypeOpenGL:
for (int minor = 6; minor >= 0; --minor) {
context = new GHOST_ContextEGL(this->m_system,
m_wantStereoVisual,
EGLNativeWindowType(w->egl_window),
EGLNativeDisplayType(m_system->display()),
EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT,
4,
minor,
GHOST_OPENGL_EGL_CONTEXT_FLAGS,
GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY,
EGL_OPENGL_API);
if (context->initializeDrawingContext()) {
return context;
}
delete context;
}
context = new GHOST_ContextEGL(this->m_system,
m_wantStereoVisual,
EGLNativeWindowType(w->egl_window),
EGLNativeDisplayType(m_system->display()),
EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT,
3,
3,
GHOST_OPENGL_EGL_CONTEXT_FLAGS,
GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY,
EGL_OPENGL_API);
}
return (context->initializeDrawingContext() == GHOST_kSuccess) ? context : nullptr;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Public WAYLAND Direct Data Access
*
* Expose some members via methods.
* \{ */
uint16_t GHOST_WindowWayland::dpi() const
{
return w->dpi;
}
int GHOST_WindowWayland::scale() const
{
return w->scale;
}
wl_surface *GHOST_WindowWayland::surface() const
{
return w->wl_surface;
}
const std::vector<output_t *> &GHOST_WindowWayland::outputs()
{
return w->outputs;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Public WAYLAND Window Level Functions
*
* High Level Windowing Utilities.
* \{ */
GHOST_TSuccess GHOST_WindowWayland::close()
{
return m_system->pushEvent(
new GHOST_Event(m_system->getMilliSeconds(), GHOST_kEventWindowClose, this));
}
GHOST_TSuccess GHOST_WindowWayland::activate()
{
if (m_system->getWindowManager()->setActiveWindow(this) == GHOST_kFailure) {
return GHOST_kFailure;
}
return m_system->pushEvent(
new GHOST_Event(m_system->getMilliSeconds(), GHOST_kEventWindowActivate, this));
}
GHOST_TSuccess GHOST_WindowWayland::deactivate()
{
m_system->getWindowManager()->setWindowInactive(this);
return m_system->pushEvent(
new GHOST_Event(m_system->getMilliSeconds(), GHOST_kEventWindowDeactivate, this));
}
GHOST_TSuccess GHOST_WindowWayland::notify_size()
{
#ifdef GHOST_OPENGL_ALPHA
setOpaque();
#endif
return m_system->pushEvent(
new GHOST_Event(m_system->getMilliSeconds(), GHOST_kEventWindowSize, this));
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Public WAYLAND Utility Functions
*
* Functionality only used for the WAYLAND implementation.
* \{ */
bool GHOST_WindowWayland::outputs_changed_update_scale()
{
uint32_t dpi_next;
const int scale_next = outputs_max_scale_or_default(this->outputs(), 0, &dpi_next);
if (scale_next == 0) {
return false;
}
window_t *win = this->w;
const uint32_t dpi_curr = win->dpi;
const int scale_curr = win->scale;
bool changed = false;
if (scale_next != scale_curr) {
/* Unlikely but possible there is a pending size change is set. */
win->size_pending[0] = (win->size_pending[0] / scale_curr) * scale_next;
win->size_pending[1] = (win->size_pending[1] / scale_curr) * scale_next;
win->scale = scale_next;
wl_surface_set_buffer_scale(w->wl_surface, scale_next);
changed = true;
}
if (dpi_next != dpi_curr) {
/* Using the real DPI will cause wrong scaling of the UI
* use a multiplier for the default DPI as workaround. */
win->dpi = dpi_next;
changed = true;
}
return changed;
}
bool GHOST_WindowWayland::outputs_enter(output_t *reg_output)
{
std::vector<output_t *> &outputs = w->outputs;
auto it = std::find(outputs.begin(), outputs.end(), reg_output);
if (it != outputs.end()) {
return false;
}
outputs.push_back(reg_output);
return true;
}
bool GHOST_WindowWayland::outputs_leave(output_t *reg_output)
{
std::vector<output_t *> &outputs = w->outputs;
auto it = std::find(outputs.begin(), outputs.end(), reg_output);
if (it == outputs.end()) {
return false;
}
outputs.erase(it);
return true;
}
/** \} */
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