src/events/SDL_windowevents.c
changeset 1895 c121d94672cb
child 1915 a228436a2404
equal deleted inserted replaced
1894:c69cee13dd76 1895:c121d94672cb
       
     1 /*
       
     2     SDL - Simple DirectMedia Layer
       
     3     Copyright (C) 1997-2006 Sam Lantinga
       
     4 
       
     5     This library is free software; you can redistribute it and/or
       
     6     modify it under the terms of the GNU Lesser General Public
       
     7     License as published by the Free Software Foundation; either
       
     8     version 2.1 of the License, or (at your option) any later version.
       
     9 
       
    10     This library is distributed in the hope that it will be useful,
       
    11     but WITHOUT ANY WARRANTY; without even the implied warranty of
       
    12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
       
    13     Lesser General Public License for more details.
       
    14 
       
    15     You should have received a copy of the GNU Lesser General Public
       
    16     License along with this library; if not, write to the Free Software
       
    17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
       
    18 
       
    19     Sam Lantinga
       
    20     slouken@libsdl.org
       
    21 */
       
    22 #include "SDL_config.h"
       
    23 
       
    24 /* Window event handling code for SDL */
       
    25 
       
    26 #include "SDL_events.h"
       
    27 #include "SDL_events_c.h"
       
    28 #include "../video/SDL_sysvideo.h"
       
    29 
       
    30 int
       
    31 SDL_SendWindowEvent(SDL_WindowID windowID, Uint8 windowevent, int data1,
       
    32                     int data2)
       
    33 {
       
    34     int posted;
       
    35     SDL_Window *window;
       
    36 
       
    37     window = SDL_GetWindowFromID(windowID);
       
    38     if (!window) {
       
    39         return 0;
       
    40     }
       
    41     switch (windowevent) {
       
    42     case SDL_WINDOWEVENT_SHOWN:
       
    43         if (window->flags & SDL_WINDOW_SHOWN) {
       
    44             return 0;
       
    45         }
       
    46         window->flags |= SDL_WINDOW_SHOWN;
       
    47         SDL_OnWindowShown(window);
       
    48         break;
       
    49     case SDL_WINDOWEVENT_HIDDEN:
       
    50         if (!(window->flags & SDL_WINDOW_SHOWN)) {
       
    51             return 0;
       
    52         }
       
    53         window->flags &= ~SDL_WINDOW_SHOWN;
       
    54         SDL_OnWindowHidden(window);
       
    55         break;
       
    56     case SDL_WINDOWEVENT_MOVED:
       
    57         if (window->flags & SDL_WINDOW_FULLSCREEN) {
       
    58             return 0;
       
    59         }
       
    60         if (data1 == window->x && data2 == window->y) {
       
    61             return 0;
       
    62         }
       
    63         break;
       
    64     case SDL_WINDOWEVENT_RESIZED:
       
    65         if (window->flags & SDL_WINDOW_FULLSCREEN) {
       
    66             return 0;
       
    67         }
       
    68         if (data1 == window->w && data2 == window->h) {
       
    69             return 0;
       
    70         }
       
    71         break;
       
    72     case SDL_WINDOWEVENT_MINIMIZED:
       
    73         if (window->flags & SDL_WINDOW_MINIMIZED) {
       
    74             return 0;
       
    75         }
       
    76         window->flags |= SDL_WINDOW_MINIMIZED;
       
    77         break;
       
    78     case SDL_WINDOWEVENT_MAXIMIZED:
       
    79         if (window->flags & SDL_WINDOW_MAXIMIZED) {
       
    80             return 0;
       
    81         }
       
    82         window->flags |= SDL_WINDOW_MAXIMIZED;
       
    83         break;
       
    84     case SDL_WINDOWEVENT_RESTORED:
       
    85         if (!(window->flags & (SDL_WINDOW_MINIMIZED | SDL_WINDOW_MAXIMIZED))) {
       
    86             return 0;
       
    87         }
       
    88         window->flags &= ~(SDL_WINDOW_MINIMIZED | SDL_WINDOW_MAXIMIZED);
       
    89         break;
       
    90     case SDL_WINDOWEVENT_ENTER:
       
    91         if (window->flags & SDL_WINDOW_MOUSE_FOCUS) {
       
    92             return 0;
       
    93         }
       
    94         window->flags |= SDL_WINDOW_MOUSE_FOCUS;
       
    95         break;
       
    96     case SDL_WINDOWEVENT_LEAVE:
       
    97         if (!(window->flags & SDL_WINDOW_MOUSE_FOCUS)) {
       
    98             return 0;
       
    99         }
       
   100         window->flags &= ~SDL_WINDOW_MOUSE_FOCUS;
       
   101         break;
       
   102     case SDL_WINDOWEVENT_FOCUS_GAINED:
       
   103         if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
       
   104             return 0;
       
   105         }
       
   106         window->flags |= SDL_WINDOW_INPUT_FOCUS;
       
   107         SDL_OnWindowFocusGained(window);
       
   108         break;
       
   109     case SDL_WINDOWEVENT_FOCUS_LOST:
       
   110         if (!(window->flags & SDL_WINDOW_INPUT_FOCUS)) {
       
   111             return 0;
       
   112         }
       
   113         window->flags &= ~SDL_WINDOW_INPUT_FOCUS;
       
   114         SDL_OnWindowFocusLost(window);
       
   115         break;
       
   116     }
       
   117 
       
   118     /* Post the event, if desired */
       
   119     posted = 0;
       
   120     if (SDL_ProcessEvents[SDL_WINDOWEVENT] == SDL_ENABLE) {
       
   121         SDL_Event event;
       
   122         event.type = SDL_WINDOWEVENT;
       
   123         event.window.event = windowevent;
       
   124         event.window.data1 = data1;
       
   125         event.window.data2 = data2;
       
   126         event.window.windowID = windowID;
       
   127         posted = (SDL_PushEvent(&event) > 0);
       
   128     }
       
   129     return (posted);
       
   130 }
       
   131 
       
   132 /* vi: set ts=4 sw=4 expandtab: */