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annotate src/events/SDL_windowevents.c @ 4593:3892fe2f6537

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Fixed so many things. See the changelog listed below. 1. Use SDL_X11_HAVE_XRENDER to check for RENDER at runtime. 2. Added lots of comments. 3. Added checks and lots of calls to SDL_SetError(). 4. Fixed X11_CreateTexture() so that the pixmap and image created are for the format specified by the user and not the window format. This is only for the RENDER case. 5. The above change required that functions to convert SDL pixel format enums to Visuals and XRenderPictFormats be added. 6. Fixed lots of 'style' issues.
author Sunny Sachanandani <sunnysachanandani@gmail.com>
date Sat, 17 Jul 2010 15:38:24 +0530
parents faa9fc8e7f67
children 8c39b82dc7b0
rev   line source
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1 /*
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2 SDL - Simple DirectMedia Layer
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f7b03b6838cb Fixed bug #926
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3 Copyright (C) 1997-2010 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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6 modify it under the terms of the GNU Lesser General Public
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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7 License as published by the Free Software Foundation; either
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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8 version 2.1 of the License, or (at your option) any later version.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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9
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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10 This library is distributed in the hope that it will be useful,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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13 Lesser General Public License for more details.
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14
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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15 You should have received a copy of the GNU Lesser General Public
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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16 License along with this library; if not, write to the Free Software
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /* Window event handling code for SDL */
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25
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26 #include "SDL_events.h"
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27 #include "SDL_events_c.h"
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f7872b7a8732 Fixed mouse coordinate range on Mac OS X
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28 #include "SDL_mouse_c.h"
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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29 #include "../video/SDL_sysvideo.h"
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30
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31
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32 static int
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33 RemovePendingSizeEvents(void * userdata, SDL_Event *event)
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34 {
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35 SDL_Event *new_event = (SDL_Event *)userdata;
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36
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37 if (event->type == SDL_WINDOWEVENT &&
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38 event->window.event == SDL_WINDOWEVENT_RESIZED &&
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39 event->window.windowID == new_event->window.windowID) {
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40 /* We're about to post a new size event, drop the old one */
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41 return 0;
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42 }
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43 return 1;
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44 }
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45
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46 int
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64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
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47 SDL_SendWindowEvent(SDL_Window * window, Uint8 windowevent, int data1,
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48 int data2)
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49 {
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50 int posted;
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51
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52 if (!window) {
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53 return 0;
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54 }
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55 switch (windowevent) {
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56 case SDL_WINDOWEVENT_SHOWN:
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57 if (window->flags & SDL_WINDOW_SHOWN) {
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58 return 0;
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59 }
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60 window->flags |= SDL_WINDOW_SHOWN;
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61 SDL_OnWindowShown(window);
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62 break;
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63 case SDL_WINDOWEVENT_HIDDEN:
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64 if (!(window->flags & SDL_WINDOW_SHOWN)) {
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65 return 0;
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66 }
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67 window->flags &= ~SDL_WINDOW_SHOWN;
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68 SDL_OnWindowHidden(window);
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69 break;
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70 case SDL_WINDOWEVENT_MOVED:
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71 if (window->flags & SDL_WINDOW_FULLSCREEN) {
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72 return 0;
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73 }
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74 if (data1 == SDL_WINDOWPOS_UNDEFINED) {
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75 data1 = window->x;
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76 }
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77 if (data2 == SDL_WINDOWPOS_UNDEFINED) {
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78 data2 = window->y;
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79 }
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80 if (data1 == window->x && data2 == window->y) {
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81 return 0;
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82 }
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83 window->x = data1;
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84 window->y = data2;
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85 break;
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86 case SDL_WINDOWEVENT_RESIZED:
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87 if (window->flags & SDL_WINDOW_FULLSCREEN) {
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88 return 0;
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89 }
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90 if (data1 == window->w && data2 == window->h) {
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91 return 0;
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92 }
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93 window->w = data1;
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94 window->h = data2;
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db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
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95 SDL_OnWindowResized(window);
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96 break;
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97 case SDL_WINDOWEVENT_MINIMIZED:
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98 if (window->flags & SDL_WINDOW_MINIMIZED) {
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99 return 0;
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100 }
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101 window->flags |= SDL_WINDOW_MINIMIZED;
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98a819296cdc Whenever a window becomes fullscreen, shown, unminimized, and has input focus it will change the display to the corresponding fullscreen video mode.
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102 SDL_OnWindowMinimized(window);
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103 break;
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104 case SDL_WINDOWEVENT_MAXIMIZED:
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105 if (window->flags & SDL_WINDOW_MAXIMIZED) {
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106 return 0;
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107 }
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108 window->flags |= SDL_WINDOW_MAXIMIZED;
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109 break;
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110 case SDL_WINDOWEVENT_RESTORED:
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111 if (!(window->flags & (SDL_WINDOW_MINIMIZED | SDL_WINDOW_MAXIMIZED))) {
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112 return 0;
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113 }
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114 window->flags &= ~(SDL_WINDOW_MINIMIZED | SDL_WINDOW_MAXIMIZED);
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115 SDL_OnWindowRestored(window);
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116 break;
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117 case SDL_WINDOWEVENT_ENTER:
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118 if (window->flags & SDL_WINDOW_MOUSE_FOCUS) {
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119 return 0;
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120 }
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121 window->flags |= SDL_WINDOW_MOUSE_FOCUS;
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122 break;
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123 case SDL_WINDOWEVENT_LEAVE:
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124 if (!(window->flags & SDL_WINDOW_MOUSE_FOCUS)) {
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125 return 0;
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126 }
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127 window->flags &= ~SDL_WINDOW_MOUSE_FOCUS;
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128 break;
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129 case SDL_WINDOWEVENT_FOCUS_GAINED:
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130 if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
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131 return 0;
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132 }
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133 window->flags |= SDL_WINDOW_INPUT_FOCUS;
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134 SDL_OnWindowFocusGained(window);
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135 break;
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136 case SDL_WINDOWEVENT_FOCUS_LOST:
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137 if (!(window->flags & SDL_WINDOW_INPUT_FOCUS)) {
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138 return 0;
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139 }
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140 window->flags &= ~SDL_WINDOW_INPUT_FOCUS;
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141 SDL_OnWindowFocusLost(window);
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142 break;
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143 }
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144
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145 /* Post the event, if desired */
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146 posted = 0;
4429
faa9fc8e7f67 General improvements for user custom event registration
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147 if (SDL_GetEventState(SDL_WINDOWEVENT) == SDL_ENABLE) {
1895
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148 SDL_Event event;
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149 event.type = SDL_WINDOWEVENT;
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150 event.window.event = windowevent;
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151 event.window.data1 = data1;
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152 event.window.data2 = data2;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
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diff changeset
153 event.window.windowID = window->id;
3573
41cd18e05965 Fixed bug #666
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diff changeset
154
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155 /* Fixes queue overflow with resize events that aren't processed */
41cd18e05965 Fixed bug #666
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diff changeset
156 if (windowevent == SDL_WINDOWEVENT_RESIZED) {
41cd18e05965 Fixed bug #666
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157 SDL_FilterEvents(RemovePendingSizeEvents, &event);
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158 }
41cd18e05965 Fixed bug #666
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diff changeset
159
1895
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160 posted = (SDL_PushEvent(&event) > 0);
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161 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
162 return (posted);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
163 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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164
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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165 /* vi: set ts=4 sw=4 expandtab: */