From aae7c13827fbb9d54e061e91f6c230405bdbc66a Mon Sep 17 00:00:00 2001 From: Sam Lantinga Date: Sun, 4 Jan 2004 15:57:16 +0000 Subject: [PATCH] Date: Mon, 17 Nov 2003 21:59:24 -0800 From: Pete Shinners Subject: [SDL] directfb cursor patch here is a quick and dirty patch that allows directfb to change the visibility of the cursor. this display backend still has no way to change the actual cursor shape, but being able to set the cursor visibility is a simple change that should offer some benefits. the code was largely based on the cursor code for other sdl backends. and this documentation. http://directfb.org/documentation/DirectFB_Reference/IDirectFBDisplayLayer_SetCursorOpacity.html --- src/video/directfb/SDL_DirectFB_video.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/src/video/directfb/SDL_DirectFB_video.c b/src/video/directfb/SDL_DirectFB_video.c index 85dff203a..326cec7e4 100644 --- a/src/video/directfb/SDL_DirectFB_video.c +++ b/src/video/directfb/SDL_DirectFB_video.c @@ -52,6 +52,11 @@ static char rcsid = #include "SDL_DirectFB_events.h" #include "SDL_DirectFB_yuv.h" +/* The implementation dependent data for the window manager cursor */ +struct WMcursor { + int unused; +}; + /* Initialization/Query functions */ static int DirectFB_VideoInit(_THIS, SDL_PixelFormat *vformat); @@ -73,6 +78,7 @@ static int DirectFB_HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect, static int DirectFB_SetHWColorKey(_THIS, SDL_Surface *surface, Uint32 key); static int DirectFB_SetHWAlpha(_THIS, SDL_Surface *surface, Uint8 alpha); static int DirectFB_FlipHWSurface(_THIS, SDL_Surface *surface); +static int DirectFB_ShowWMCursor(_THIS, WMcursor *cursor); /* Various screen update functions available */ static void DirectFB_DirectUpdate(_THIS, int numrects, SDL_Rect *rects); @@ -139,6 +145,7 @@ static SDL_VideoDevice *DirectFB_CreateDevice(int devindex) device->UnlockHWSurface = DirectFB_UnlockHWSurface; device->FlipHWSurface = DirectFB_FlipHWSurface; device->FreeHWSurface = DirectFB_FreeHWSurface; + device->ShowWMCursor = DirectFB_ShowWMCursor; device->SetCaption = NULL; device->SetIcon = NULL; device->IconifyWindow = NULL; @@ -1143,6 +1150,21 @@ void DirectFB_VideoQuit(_THIS) HIDDEN->initialized = 0; } + +int DirectFB_ShowWMCursor(_THIS, WMcursor *cursor) +{ + /* We can only hide or show the default cursor */ + if ( cursor == NULL ) + { + SetCursorOpacity(HIDDEN->layer, 0); + } + else + { + SetCursorOpacity(HIDDEN->layer, 256); + } + return 1; +} + void DirectFB_FinalQuit(void) { }