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SDL_windowevents.c
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2006 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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/* Window event handling code for SDL */
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#include "SDL_events.h"
#include "SDL_events_c.h"
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#include "../video/SDL_sysvideo.h"
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SDL_SendWindowEvent(SDL_WindowID windowID, Uint8 windowevent, int data1,
int data2)
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SDL_Window *window;
window = SDL_GetWindowFromID(windowID);
if (!window) {
return 0;
}
switch (windowevent) {
case SDL_WINDOWEVENT_SHOWN:
if (window->flags & SDL_WINDOW_SHOWN) {
return 0;
}
window->flags |= SDL_WINDOW_SHOWN;
break;
case SDL_WINDOWEVENT_HIDDEN:
if (!(window->flags & SDL_WINDOW_SHOWN)) {
return 0;
}
window->flags &= ~SDL_WINDOW_SHOWN;
break;
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case SDL_WINDOWEVENT_MOVED:
if (data1 == window->x && data2 == window->y) {
return 0;
}
break;
case SDL_WINDOWEVENT_RESIZED:
if (data1 == window->w && data2 == window->h) {
return 0;
}
break;
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case SDL_WINDOWEVENT_MINIMIZED:
if (window->flags & SDL_WINDOW_MINIMIZED) {
return 0;
}
window->flags |= SDL_WINDOW_MINIMIZED;
break;
case SDL_WINDOWEVENT_MAXIMIZED:
if (window->flags & SDL_WINDOW_MAXIMIZED) {
return 0;
}
window->flags |= SDL_WINDOW_MAXIMIZED;
break;
case SDL_WINDOWEVENT_RESTORED:
if (!(window->flags & (SDL_WINDOW_MINIMIZED | SDL_WINDOW_MAXIMIZED))) {
return 0;
}
window->flags &= ~(SDL_WINDOW_MINIMIZED | SDL_WINDOW_MAXIMIZED);
break;
case SDL_WINDOWEVENT_ENTER:
if (window->flags & SDL_WINDOW_MOUSE_FOCUS) {
return 0;
}
window->flags |= SDL_WINDOW_MOUSE_FOCUS;
break;
case SDL_WINDOWEVENT_LEAVE:
if (!(window->flags & SDL_WINDOW_MOUSE_FOCUS)) {
return 0;
}
window->flags &= ~SDL_WINDOW_MOUSE_FOCUS;
break;
case SDL_WINDOWEVENT_FOCUS_GAINED:
if (window->flags & SDL_WINDOW_KEYBOARD_FOCUS) {
return 0;
}
window->flags |= SDL_WINDOW_KEYBOARD_FOCUS;
break;
case SDL_WINDOWEVENT_FOCUS_LOST:
if (!(window->flags & SDL_WINDOW_KEYBOARD_FOCUS)) {
return 0;
}
window->flags &= ~SDL_WINDOW_KEYBOARD_FOCUS;
break;
}
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/* Post the event, if desired */
posted = 0;
if (SDL_ProcessEvents[SDL_WINDOWEVENT] == SDL_ENABLE) {
SDL_Event event;
event.type = SDL_WINDOWEVENT;
event.window.event = windowevent;
event.window.data1 = data1;
event.window.data2 = data2;
event.window.windowID = windowID;
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if ((SDL_EventOK == NULL)
|| (*SDL_EventOK) (SDL_EventOKParam, &event)) {
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SDL_PushEvent(&event);
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}
}
return (posted);
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}
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/* vi: set ts=4 sw=4 expandtab: */