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Fixed bug 4000 - SDL2 on raspberry: mouse displayed at 0,0 after SDL_ShowCursor 

Laurent Merckx

I have a problem with the SDL_ShowCursor method on Raspberry.

Depending on the context, my application hides or show the mouse cursor with SDL_ShowCursor.
But when calling SDL_ShowCursor(true), the cursor is displayed at 0,0 (and not at last position).

After debugging sources by myself, it seems that the problem is in SDL_rpimouse.c - RPI_ShowCursor:

vc_dispmanx_rect_set( &dst_rect, 0, 0, curdata->w, curdata->h);
should be
vc_dispmanx_rect_set( &dst_rect, mouse->x, mouse->y, curdata->w, curdata->h);

For me, it solves the problem.
This commit is contained in:
Sam Lantinga 2017-12-19 11:17:37 -08:00
parent 70082db849
commit b7be5bce33
1 changed files with 1 additions and 1 deletions
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2
src/video/raspberry/SDL_rpimouse.c
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@ -165,7 +165,7 @@ RPI_ShowCursor(SDL_Cursor * cursor)
if (curdata->element == DISPMANX_NO_HANDLE) { if (curdata->element == DISPMANX_NO_HANDLE) {
vc_dispmanx_rect_set(&src_rect, 0, 0, curdata->w << 16, curdata->h << 16); vc_dispmanx_rect_set(&src_rect, 0, 0, curdata->w << 16, curdata->h << 16);
vc_dispmanx_rect_set(&dst_rect, 0, 0, curdata->w, curdata->h); vc_dispmanx_rect_set(&dst_rect, mouse->x, mouse->y, curdata->w, curdata->h);
update = vc_dispmanx_update_start(10); update = vc_dispmanx_update_start(10);
SDL_assert(update); SDL_assert(update);