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Add SDL_SetWindowAlwaysOnTop()

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This commit is contained in:
Joseph Lyncheski 2021-04-19 07:13:38 -04:00 committed by Sam Lantinga
parent 6be9c00970
commit a0a5da5d91
11 changed files with 65 additions and 0 deletions
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15
include/SDL_video.h
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@ -1010,6 +1010,21 @@ extern DECLSPEC void SDLCALL SDL_SetWindowBordered(SDL_Window * window,
extern DECLSPEC void SDLCALL SDL_SetWindowResizable(SDL_Window * window,
SDL_bool resizable);
/**
* \brief Set the window to always be above the others.
*
* This will add or remove the window's `SDL_WINDOW_ALWAYS_ON_TOP`
* flag. This will bring the window to the front and keep the window above
* the rest.
*
* \param window The window of which to change the always on top state.
* \param on_top SDL_TRUE to set the window always on top, SDL_FALSE to disable.
*
* \sa SDL_SetWindowAlwaysOnTop
*/
extern DECLSPEC void SDLCALL SDL_SetWindowAlwaysOnTop(SDL_Window * window,
SDL_bool on_top);
/**
* Show a window.
*

1
src/dynapi/SDL_dynapi_overrides.h
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@ -810,3 +810,4 @@
#define SDL_AndroidShowToast SDL_AndroidShowToast_REAL
#define SDL_GetAudioDeviceSpec SDL_GetAudioDeviceSpec_REAL
#define SDL_TLSCleanup SDL_TLSCleanup_REAL
#define SDL_SetWindowAlwaysOnTop SDL_SetWindowAlwaysOnTop_REAL

1
src/dynapi/SDL_dynapi_procs.h
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@ -875,3 +875,4 @@ SDL_DYNAPI_PROC(int,SDL_AndroidShowToast,(const char *a, int b, int c, int d, in
#endif
SDL_DYNAPI_PROC(int,SDL_GetAudioDeviceSpec,(int a, int b, SDL_AudioSpec *c),(a,b,c),return)
SDL_DYNAPI_PROC(void,SDL_TLSCleanup,(void),(),)
SDL_DYNAPI_PROC(void,SDL_SetWindowAlwaysOnTop,(SDL_Window *a, SDL_bool b),(a,b),)

1
src/video/SDL_sysvideo.h
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@ -229,6 +229,7 @@ struct SDL_VideoDevice
void (*RestoreWindow) (_THIS, SDL_Window * window);
void (*SetWindowBordered) (_THIS, SDL_Window * window, SDL_bool bordered);
void (*SetWindowResizable) (_THIS, SDL_Window * window, SDL_bool resizable);
void (*SetWindowAlwaysOnTop) (_THIS, SDL_Window * window, SDL_bool on_top);
void (*SetWindowFullscreen) (_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen);
int (*SetWindowGammaRamp) (_THIS, SDL_Window * window, const Uint16 * ramp);
int (*GetWindowGammaRamp) (_THIS, SDL_Window * window, Uint16 * ramp);

19
src/video/SDL_video.c
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@ -2109,6 +2109,25 @@ SDL_SetWindowResizable(SDL_Window * window, SDL_bool resizable)
}
}
void
SDL_SetWindowAlwaysOnTop(SDL_Window * window, SDL_bool on_top)
{
CHECK_WINDOW_MAGIC(window,);
if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
const int want = (on_top != SDL_FALSE); /* normalize the flag. */
const int have = ((window->flags & SDL_WINDOW_ALWAYS_ON_TOP) != 0);
if ((want != have) && (_this->SetWindowAlwaysOnTop)) {
if (want) {
window->flags |= SDL_WINDOW_ALWAYS_ON_TOP;
} else {
window->flags &= ~SDL_WINDOW_ALWAYS_ON_TOP;
}
_this->SetWindowAlwaysOnTop(_this, window, (SDL_bool) want);
}
}
}
void
SDL_SetWindowSize(SDL_Window * window, int w, int h)
{

1
src/video/cocoa/SDL_cocoavideo.m
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@ -92,6 +92,7 @@ Cocoa_CreateDevice(int devindex)
device->RestoreWindow = Cocoa_RestoreWindow;
device->SetWindowBordered = Cocoa_SetWindowBordered;
device->SetWindowResizable = Cocoa_SetWindowResizable;
device->SetWindowAlwaysOnTop = Cocoa_SetWindowAlwaysOnTop;
device->SetWindowFullscreen = Cocoa_SetWindowFullscreen;
device->SetWindowGammaRamp = Cocoa_SetWindowGammaRamp;
device->GetWindowGammaRamp = Cocoa_GetWindowGammaRamp;

1
src/video/cocoa/SDL_cocoawindow.h
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@ -142,6 +142,7 @@ extern void Cocoa_MinimizeWindow(_THIS, SDL_Window * window);
extern void Cocoa_RestoreWindow(_THIS, SDL_Window * window);
extern void Cocoa_SetWindowBordered(_THIS, SDL_Window * window, SDL_bool bordered);
extern void Cocoa_SetWindowResizable(_THIS, SDL_Window * window, SDL_bool resizable);
extern void Cocoa_SetWindowAlwaysOnTop(_THIS, SDL_Window * window, SDL_bool on_top);
extern void Cocoa_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen);
extern int Cocoa_SetWindowGammaRamp(_THIS, SDL_Window * window, const Uint16 * ramp);
extern int Cocoa_GetWindowGammaRamp(_THIS, SDL_Window * window, Uint16 * ramp);

12
src/video/cocoa/SDL_cocoawindow.m
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@ -1819,6 +1819,18 @@ Cocoa_SetWindowResizable(_THIS, SDL_Window * window, SDL_bool resizable)
}
}}
void
Cocoa_SetWindowAlwaysOnTop(_THIS, SDL_Window * window, SDL_bool on_top)
{ @autoreleasepool
{
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->nswindow;
if (on_top) {
[nswindow setLevel:NSFloatingWindowLevel];
} else {
[nswindow setLevel:kCGNormalWindowLevel];
}
}}
void
Cocoa_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen)
{ @autoreleasepool

1
src/video/windows/SDL_windowsvideo.c
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@ -157,6 +157,7 @@ WIN_CreateDevice(int devindex)
device->RestoreWindow = WIN_RestoreWindow;
device->SetWindowBordered = WIN_SetWindowBordered;
device->SetWindowResizable = WIN_SetWindowResizable;
device->SetWindowAlwaysOnTop = WIN_SetWindowAlwaysOnTop;
device->SetWindowFullscreen = WIN_SetWindowFullscreen;
device->SetWindowGammaRamp = WIN_SetWindowGammaRamp;
device->GetWindowGammaRamp = WIN_GetWindowGammaRamp;

12
src/video/windows/SDL_windowswindow.c
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@ -631,6 +631,18 @@ WIN_SetWindowResizable(_THIS, SDL_Window * window, SDL_bool resizable)
SetWindowLong(hwnd, GWL_STYLE, style);
}
void
WIN_SetWindowAlwaysOnTop(_THIS, SDL_Window * window, SDL_bool on_top)
{
SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
HWND hwnd = data->hwnd;
if (on_top) {
SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
} else {
SetWindowPos(hwnd, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
}
}
void
WIN_RestoreWindow(_THIS, SDL_Window * window)
{

1
src/video/windows/SDL_windowswindow.h
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@ -73,6 +73,7 @@ extern void WIN_MinimizeWindow(_THIS, SDL_Window * window);
extern void WIN_RestoreWindow(_THIS, SDL_Window * window);
extern void WIN_SetWindowBordered(_THIS, SDL_Window * window, SDL_bool bordered);
extern void WIN_SetWindowResizable(_THIS, SDL_Window * window, SDL_bool resizable);
extern void WIN_SetWindowAlwaysOnTop(_THIS, SDL_Window * window, SDL_bool on_top);
extern void WIN_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen);
extern int WIN_SetWindowGammaRamp(_THIS, SDL_Window * window, const Uint16 * ramp);
extern int WIN_GetWindowGammaRamp(_THIS, SDL_Window * window, Uint16 * ramp);