diff options
Diffstat (limited to 'distrib/sdl-1.2.15/src/video/windib/SDL_dibvideo.c')
| -rw-r--r-- | distrib/sdl-1.2.15/src/video/windib/SDL_dibvideo.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/video/windib/SDL_dibvideo.c b/distrib/sdl-1.2.15/src/video/windib/SDL_dibvideo.c index 6187bfc..9f1ffff 100644 --- a/distrib/sdl-1.2.15/src/video/windib/SDL_dibvideo.c +++ b/distrib/sdl-1.2.15/src/video/windib/SDL_dibvideo.c @@ -115,6 +115,12 @@ static void DIB_RealizePalette(_THIS); static void DIB_PaletteChanged(_THIS, HWND window); static void DIB_WinPAINT(_THIS, HDC hdc); +static void DIB_GetWinPos(_THIS, int* px, int *py); +static void DIB_SetWinPos(_THIS, int x, int y); +static int DIB_IsWinVisible(_THIS, int recenter); +static int DIB_GetMonitorDPI(_THIS, int* xDpi, int *yDpi); +static int DIB_GetMonitorRect(_THIS, SDL_Rect* rect); + /* helper fn */ static int DIB_SussScreenDepth(); @@ -212,6 +218,12 @@ static SDL_VideoDevice *DIB_CreateDevice(int devindex) device->InitOSKeymap = DIB_InitOSKeymap; device->PumpEvents = DIB_PumpEvents; + device->GetWindowPos = DIB_GetWinPos; + device->SetWindowPos = DIB_SetWinPos; + device->IsWindowVisible = DIB_IsWinVisible; + device->GetMonitorDPI = DIB_GetMonitorDPI; + device->GetMonitorRect = DIB_GetMonitorRect; + /* Set up the windows message handling functions */ WIN_Activate = DIB_Activate; WIN_RealizePalette = DIB_RealizePalette; @@ -1314,6 +1326,170 @@ static void DIB_WinPAINT(_THIS, HDC hdc) DeleteDC(mdc); } +static void DIB_GetWinPos(_THIS, int* px, int *py) +{ + RECT rect; + GetWindowRect(SDL_Window, &rect); + *px = rect.left; + *py = rect.top; +} + +static void DIB_SetWinPos(_THIS, int x, int y) +{ + SetWindowPos(SDL_Window, HWND_TOPMOST, + x, y, 0, 0, SWP_NOSIZE|SWP_NOZORDER); +} + +typedef struct { + int result; + int first; + RECT wrect; + RECT primary; +} VisibilityData; + + +BOOL CALLBACK visibility_cb(HMONITOR hMonitor, + HDC hdcMonitor, + LPRECT mrect, + LPARAM dwData) +{ + VisibilityData* data = (VisibilityData*)dwData; + + if ( data->first ) { + data->first = 0; + data->primary = mrect[0]; + } + + if ( data->wrect.left >= mrect->left && + data->wrect.right <= mrect->right && + data->wrect.top >= mrect->top && + data->wrect.bottom <= mrect->bottom ) + { + data->result = 1; + return FALSE; + } + return TRUE; +} + +static int DIB_IsWinVisible(_THIS, int recenter) +{ + VisibilityData data; + data.result = 0; + data.first = 1; + + GetWindowRect(SDL_Window, &data.wrect); + + EnumDisplayMonitors(NULL, NULL, visibility_cb, (LPARAM)&data); + + if ( !data.result && recenter ) { + int new_x = 10; + int new_y = 10; + + if ( !data.first ) { + int primary_w = data.primary.right - data.primary.left; + int primary_h = data.primary.bottom - data.primary.top; + + new_x = data.primary.left + (primary_w - this->screen->w)/2; + new_y = data.primary.top + (primary_h - this->screen->h)/2; + } + DIB_SetWinPos(this, new_x, new_y); + } + return data.result; +} + +static int DIB_GetMonitorDPI(_THIS, int* xDpi, int *yDpi) +{ + HDC displayDC = CreateDC( "DISPLAY", NULL, NULL, NULL ); + int xdpi, ydpi; + + if (displayDC == NULL) { + return -1; + } + xdpi = GetDeviceCaps( displayDC, LOGPIXELSX ); + ydpi = GetDeviceCaps( displayDC, LOGPIXELSY ); + + DeleteDC(displayDC); + + /* sanity checks */ + if (xdpi < 20 || xdpi > 400 || ydpi < 20 || ydpi > 400) { + return -1; + } + + *xDpi = xdpi; + *yDpi = ydpi; + return 0; +} + + +typedef struct { + int first; + RECT wrect; + long bestArea; + RECT bestRect; + RECT primary; +} ProximityData; + +BOOL CALLBACK proximity_cb(HMONITOR hMonitor, + HDC hdcMonitor, + LPRECT mrect, + LPARAM dwData) +{ + ProximityData* data = (ProximityData*)dwData; + int x1, y1, x2, y2, area; + + x1 = mrect->left; + x2 = mrect->right; + y1 = mrect->top; + y2 = mrect->bottom; + + if (data->first) { + data->primary = mrect[0]; + } + + if (x1 < data->wrect.left) + x1 = data->wrect.left; + if (x2 > data->wrect.right) + x2 = data->wrect.right; + if (y1 < data->wrect.top) + y1 = data->wrect.top; + if (y2 > data->wrect.bottom) + y2 = data->wrect.bottom; + + if (x1 >= x2 || y1 >= y2) + return TRUE; + + area = (x2-x1)*(y2-y1); + if (data->first || area > data->bestArea) { + data->first = 0; + data->bestRect = mrect[0]; + data->bestArea = area; + } + return TRUE; +} + +static int DIB_GetMonitorRect(_THIS, SDL_Rect* rect) +{ + ProximityData data; + RECT* sr; + + data.first = 1; + GetWindowRect(SDL_Window, &data.wrect); + + EnumDisplayMonitors(NULL, NULL, proximity_cb, (LPARAM)&data); + + if (data.first) + return -1; + + sr = &data.bestRect; + + rect->x = sr->left; + rect->y = sr->top; + rect->w = sr->right - sr->left; + rect->h = sr->bottom - sr->top; + + return 0; +} + /* Stub in case DirectX isn't available */ #if !SDL_AUDIO_DRIVER_DSOUND void DX5_SoundFocus(HWND hwnd) |