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Initial work on X11 implementation of SDL_SetWindowDragAreas().

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This commit is contained in:
Damian Kaczmarek 2014-05-27 14:41:16 -04:00
parent cce4ce44d4
commit 738e84c26b
4 changed files with 56 additions and 0 deletions
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48
src/video/x11/SDL_x11events.c
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@ -272,6 +272,51 @@ X11_DispatchUnmapNotify(SDL_WindowData *data)
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_MINIMIZED, 0, 0);
}
static void
InitiateWindowMove(SDL_Window *window)
{
SDL_SysWMinfo info;
SDL_VERSION(&info.version);
SDL_GetWindowWMInfo(window, &info);
Display *display = info.info.x11.display;
int bx, by, dx, dy;
SDL_GetWindowPosition(window, &bx, &by);
SDL_GetMouseState(&dx, &dy);
X11_XUngrabPointer(display, 0L);
X11_XFlush(display);
XEvent evt;
evt.xclient.type = ClientMessage;
evt.xclient.window = info.info.x11.window;
evt.xclient.message_type = X11_XInternAtom(display, "_NET_WM_MOVERESIZE", False);
evt.xclient.format = 32;
evt.xclient.data.l[0] = bx + dx;
evt.xclient.data.l[1] = by + dy;
evt.xclient.data.l[2] = 8; /* _NET_WM_MOVERESIZE_MOVE */
evt.xclient.data.l[3] = Button1;
evt.xclient.data.l[4] = 0;
X11_XSendEvent(display, DefaultRootWindow(display), False, SubstructureRedirectMask | SubstructureNotifyMask, &evt);
X11_XSync(display, 0);
}
static void
ProcessDragArea(SDL_WindowData* data)
{
SDL_Window* window = data->window;
SDL_Mouse* mouse = SDL_GetMouse();
int i;
const int num_areas = window->num_drag_areas;
const SDL_Point point = {mouse->x, mouse->y};
const SDL_Rect *areas = window->drag_areas;
for(i = 0;i < num_areas;++i) {
if (SDL_PointInRect(&point, &areas[i])) {
InitiateWindowMove(window);
}
}
}
static void
X11_DispatchEvent(_THIS)
{
@ -709,6 +754,9 @@ X11_DispatchEvent(_THIS)
if (X11_IsWheelEvent(display,&xevent,&ticks)) {
SDL_SendMouseWheel(data->window, 0, 0, ticks);
} else {
if(xevent.xbutton.button == SDL_BUTTON_LEFT) {
ProcessDragArea(data);
}
SDL_SendMouseButton(data->window, 0, SDL_PRESSED, xevent.xbutton.button);
}
}