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Retrieve primary monitor size in fullscreen mode

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* Fixes #21674
This commit is contained in:
C.Even 2022-04-07 18:51:16 +08:00 committed by Relintai
parent c0010ad0f1
commit b3761f4973
1 changed files with 23 additions and 17 deletions
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40
platform/windows/os_windows.cpp
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@ -70,6 +70,12 @@ __declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
#define GetProcAddress (void *)GetProcAddress
#endif
typedef struct {
int count;
int screen;
HMONITOR monitor;
} EnumScreenData;
typedef struct {
int count;
int screen;
@ -82,6 +88,16 @@ typedef struct {
Point2 pos;
} EnumPosData;
static BOOL CALLBACK _MonitorEnumProcScreen(HMONITOR hMonitor, HDC hdcMonitor, LPRECT lprcMonitor, LPARAM dwData) {
EnumScreenData *data = (EnumScreenData *)dwData;
if (data->monitor == hMonitor) {
data->screen = data->count;
}
data->count++;
return TRUE;
}
static BOOL CALLBACK _MonitorEnumProcSize(HMONITOR hMonitor, HDC hdcMonitor, LPRECT lprcMonitor, LPARAM dwData) {
EnumSizeData *data = (EnumSizeData *)dwData;
if (data->count == data->screen) {
@ -1354,7 +1370,13 @@ Error OS_Windows::initialize(const VideoMode &p_desired, int p_video_driver, int
*/
EnumSizeData data = { 0, 0, Size2() };
// Get the primary monitor without providing hwnd
// Solution from https://devblogs.microsoft.com/oldnewthing/20070809-00/?p=25643
const POINT ptZero = { 0, 0 };
EnumScreenData primary_data = { 0, 0, MonitorFromPoint(ptZero, MONITOR_DEFAULTTOPRIMARY) };
EnumDisplayMonitors(NULL, NULL, _MonitorEnumProcScreen, (LPARAM)&primary_data);
EnumSizeData data = { 0, primary_data.screen, Size2() };
EnumDisplayMonitors(NULL, NULL, _MonitorEnumProcSize, (LPARAM)&data);
WindowRect.right = data.size.width;
@ -1875,22 +1897,6 @@ int OS_Windows::get_screen_count() const {
return data;
}
typedef struct {
int count;
int screen;
HMONITOR monitor;
} EnumScreenData;
static BOOL CALLBACK _MonitorEnumProcScreen(HMONITOR hMonitor, HDC hdcMonitor, LPRECT lprcMonitor, LPARAM dwData) {
EnumScreenData *data = (EnumScreenData *)dwData;
if (data->monitor == hMonitor) {
data->screen = data->count;
}
data->count++;
return TRUE;
}
int OS_Windows::get_current_screen() const {
EnumScreenData data = { 0, 0, MonitorFromWindow(hWnd, MONITOR_DEFAULTTONEAREST) };
EnumDisplayMonitors(NULL, NULL, _MonitorEnumProcScreen, (LPARAM)&data);