Mercurial > sdl-ios-xcode
view src/events/SDL_windowevents.c @ 4604:d7535d7a40ea
Integrate XFixes and XDamage into the build system.
author | Sunny Sachanandani <sunnysachanandani@gmail.com> |
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date | Mon, 19 Jul 2010 20:05:53 +0530 |
parents | faa9fc8e7f67 |
children | 8c39b82dc7b0 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2010 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. 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 Lesser General Public License for more details. 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 Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" /* Window event handling code for SDL */ #include "SDL_events.h" #include "SDL_events_c.h" #include "SDL_mouse_c.h" #include "../video/SDL_sysvideo.h" static int RemovePendingSizeEvents(void * userdata, SDL_Event *event) { SDL_Event *new_event = (SDL_Event *)userdata; if (event->type == SDL_WINDOWEVENT && event->window.event == SDL_WINDOWEVENT_RESIZED && event->window.windowID == new_event->window.windowID) { /* We're about to post a new size event, drop the old one */ return 0; } return 1; } int SDL_SendWindowEvent(SDL_Window * window, Uint8 windowevent, int data1, int data2) { int posted; if (!window) { return 0; } switch (windowevent) { case SDL_WINDOWEVENT_SHOWN: if (window->flags & SDL_WINDOW_SHOWN) { return 0; } window->flags |= SDL_WINDOW_SHOWN; SDL_OnWindowShown(window); break; case SDL_WINDOWEVENT_HIDDEN: if (!(window->flags & SDL_WINDOW_SHOWN)) { return 0; } window->flags &= ~SDL_WINDOW_SHOWN; SDL_OnWindowHidden(window); break; case SDL_WINDOWEVENT_MOVED: if (window->flags & SDL_WINDOW_FULLSCREEN) { return 0; } if (data1 == SDL_WINDOWPOS_UNDEFINED) { data1 = window->x; } if (data2 == SDL_WINDOWPOS_UNDEFINED) { data2 = window->y; } if (data1 == window->x && data2 == window->y) { return 0; } window->x = data1; window->y = data2; break; case SDL_WINDOWEVENT_RESIZED: if (window->flags & SDL_WINDOW_FULLSCREEN) { return 0; } if (data1 == window->w && data2 == window->h) { return 0; } window->w = data1; window->h = data2; SDL_OnWindowResized(window); break; case SDL_WINDOWEVENT_MINIMIZED: if (window->flags & SDL_WINDOW_MINIMIZED) { return 0; } window->flags |= SDL_WINDOW_MINIMIZED; SDL_OnWindowMinimized(window); 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); SDL_OnWindowRestored(window); 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_INPUT_FOCUS) { return 0; } window->flags |= SDL_WINDOW_INPUT_FOCUS; SDL_OnWindowFocusGained(window); break; case SDL_WINDOWEVENT_FOCUS_LOST: if (!(window->flags & SDL_WINDOW_INPUT_FOCUS)) { return 0; } window->flags &= ~SDL_WINDOW_INPUT_FOCUS; SDL_OnWindowFocusLost(window); break; } /* Post the event, if desired */ posted = 0; if (SDL_GetEventState(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 = window->id; /* Fixes queue overflow with resize events that aren't processed */ if (windowevent == SDL_WINDOWEVENT_RESIZED) { SDL_FilterEvents(RemovePendingSizeEvents, &event); } posted = (SDL_PushEvent(&event) > 0); } return (posted); } /* vi: set ts=4 sw=4 expandtab: */