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Store the current window display ID on the window

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This commit is contained in:
Sam Lantinga
2025-10-03 11:02:39 -07:00
parent 541dc6ba20
commit baae2a628d
7 changed files with 10 additions and 14 deletions
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4
src/events/SDL_windowevents.c
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@@ -191,11 +191,11 @@ bool SDL_SendWindowEvent(SDL_Window *window, SDL_EventType windowevent, int data
window->flags &= ~SDL_WINDOW_INPUT_FOCUS;
break;
case SDL_EVENT_WINDOW_DISPLAY_CHANGED:
if (data1 == 0 || (SDL_DisplayID)data1 == window->last_displayID) {
if (data1 == 0 || (SDL_DisplayID)data1 == window->displayID) {
return false;
}
window->update_fullscreen_on_display_changed = true;
window->last_displayID = (SDL_DisplayID)data1;
window->displayID = (SDL_DisplayID)data1;
break;
case SDL_EVENT_WINDOW_OCCLUDED:
if (window->flags & SDL_WINDOW_OCCLUDED) {

2
src/video/SDL_sysvideo.h
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@@ -60,7 +60,7 @@ struct SDL_Window
bool external_graphics_context;
bool fullscreen_exclusive; // The window is currently fullscreen exclusive
SDL_DisplayID last_fullscreen_exclusive_display; // The last fullscreen_exclusive display
SDL_DisplayID last_displayID;
SDL_DisplayID displayID;
SDL_DisplayID pending_displayID;
/* Stored position and size for the window in the non-fullscreen state,

8
src/video/SDL_video.c
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@@ -1150,7 +1150,7 @@ void SDL_SetDisplayContentScale(SDL_VideoDisplay *display, float scale)
// Check the windows on this display
for (window = _this->windows; window; window = window->next) {
if (display->id == window->last_displayID) {
if (display->id == window->displayID) {
SDL_CheckWindowDisplayScaleChanged(window);
}
}
@@ -1800,7 +1800,7 @@ static void SDL_CheckWindowDisplayChanged(SDL_Window *window)
SDL_DisplayID displayID = SDL_GetDisplayForWindowPosition(window);
if (displayID != window->last_displayID) {
if (displayID != window->displayID) {
int i, display_index;
// Sanity check our fullscreen windows
@@ -1862,7 +1862,7 @@ static void SDL_CheckWindowDisplayScaleChanged(SDL_Window *window)
display_scale = _this->GetWindowContentScale(_this, window);
} else {
const float pixel_density = SDL_GetWindowPixelDensity(window);
const float content_scale = SDL_GetDisplayContentScale(SDL_GetDisplayForWindowPosition(window));
const float content_scale = SDL_GetDisplayContentScale(window->displayID);
display_scale = pixel_density * content_scale;
}
@@ -2524,7 +2524,7 @@ SDL_Window *SDL_CreateWindowWithProperties(SDL_PropertiesID props)
window->opacity = 1.0f;
window->next = _this->windows;
window->is_destroying = false;
window->last_displayID = SDL_GetDisplayForWindow(window);
window->displayID = SDL_GetDisplayForWindow(window);
window->external_graphics_context = external_graphics_context;
window->constrain_popup = SDL_GetBooleanProperty(props, SDL_PROP_WINDOW_CREATE_CONSTRAIN_POPUP_BOOLEAN, true);

6
src/video/windows/SDL_windowsevents.c
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@@ -1715,7 +1715,7 @@ LRESULT CALLBACK WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lPara
case WM_WINDOWPOSCHANGED:
{
SDL_Window *win;
const SDL_DisplayID original_displayID = data->last_displayID;
const SDL_DisplayID original_displayID = data->window->displayID;
const WINDOWPOS *windowpos = (WINDOWPOS *)lParam;
bool iconic;
bool zoomed;
@@ -1790,9 +1790,7 @@ LRESULT CALLBACK WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lPara
WIN_UpdateClipCursor(data->window);
// Update the window display position
data->last_displayID = SDL_GetDisplayForWindow(data->window);
if (data->last_displayID != original_displayID) {
if (data->window->displayID != original_displayID) {
// Display changed, check ICC profile
WIN_UpdateWindowICCProfile(data->window, true);
}

1
src/video/windows/SDL_windowswindow.c
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@@ -391,7 +391,6 @@ static bool SetupWindowData(SDL_VideoDevice *_this, SDL_Window *window, HWND hwn
data->last_pointer_update = (LPARAM)-1;
data->videodata = videodata;
data->initializing = true;
data->last_displayID = window->last_displayID;
data->hint_erase_background_mode = GetEraseBackgroundModeHint();

1
src/video/windows/SDL_windowswindow.h
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@@ -91,7 +91,6 @@ struct SDL_WindowData
RECT cursor_ctrlock_rect; // this is Windows-specific, but probably does not need to be per-window
bool mouse_tracked;
bool destroy_parent_with_window;
SDL_DisplayID last_displayID;
WCHAR *ICMFileName;
SDL_WindowEraseBackgroundMode hint_erase_background_mode;
bool taskbar_button_created;

2
src/video/x11/SDL_x11window.c
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@@ -742,7 +742,7 @@ bool X11_CreateWindow(SDL_VideoDevice *_this, SDL_Window *window, SDL_Properties
}
if (window->undefined_x && window->undefined_y &&
window->last_displayID == SDL_GetPrimaryDisplay()) {
window->displayID == SDL_GetPrimaryDisplay()) {
undefined_position = true;
}