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annotate src/events/SDL_windowevents.c @ 3611:57823d017f02

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Merged r4121:4122 from branches/SDL-1.2: more double-free fixes.
author Ryan C. Gordon <icculus@icculus.org>
date Wed, 06 Jan 2010 07:34:20 +0000
parents 41cd18e05965
children 64ce267332c6
rev   line source
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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1 /*
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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2 SDL - Simple DirectMedia Layer
2859
99210400e8b9 Updated copyright date
Sam Lantinga <slouken@libsdl.org>
parents: 2849
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3 Copyright (C) 1997-2009 Sam Lantinga
1895
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4
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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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.
Sam Lantinga <slouken@libsdl.org>
parents:
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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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parents:
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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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parents:
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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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parents:
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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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parents:
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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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parents:
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13 Lesser General Public License for more details.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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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.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
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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parents:
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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18
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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19 Sam Lantinga
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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20 slouken@libsdl.org
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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21 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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22 #include "SDL_config.h"
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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23
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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24 /* Window event handling code for SDL */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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25
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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26 #include "SDL_events.h"
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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27 #include "SDL_events_c.h"
2794
f7872b7a8732 Fixed mouse coordinate range on Mac OS X
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28 #include "SDL_mouse_c.h"
1895
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"
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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30
3573
41cd18e05965 Fixed bug #666
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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 &&
41cd18e05965 Fixed bug #666
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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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47 SDL_SendWindowEvent(SDL_WindowID windowID, Uint8 windowevent, int data1,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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48 int data2)
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49 {
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50 int posted;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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51 SDL_Window *window;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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52
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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53 window = SDL_GetWindowFromID(windowID);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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54 if (!window) {
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55 return 0;
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56 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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57 switch (windowevent) {
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58 case SDL_WINDOWEVENT_SHOWN:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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59 if (window->flags & SDL_WINDOW_SHOWN) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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60 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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61 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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62 window->flags |= SDL_WINDOW_SHOWN;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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63 SDL_OnWindowShown(window);
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64 break;
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65 case SDL_WINDOWEVENT_HIDDEN:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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66 if (!(window->flags & SDL_WINDOW_SHOWN)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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67 return 0;
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68 }
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69 window->flags &= ~SDL_WINDOW_SHOWN;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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70 SDL_OnWindowHidden(window);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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71 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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72 case SDL_WINDOWEVENT_MOVED:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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73 if (window->flags & SDL_WINDOW_FULLSCREEN) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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74 return 0;
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75 }
2875
91a7e08cd238 * Implemented X11 fullscreen input grab
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76 if (data1 == SDL_WINDOWPOS_UNDEFINED) {
91a7e08cd238 * Implemented X11 fullscreen input grab
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77 data1 = window->x;
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78 }
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79 if (data2 == SDL_WINDOWPOS_UNDEFINED) {
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80 data2 = window->y;
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81 }
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82 if (data1 == window->x && data2 == window->y) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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83 return 0;
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84 }
1915
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85 window->x = data1;
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86 window->y = data2;
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87 break;
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88 case SDL_WINDOWEVENT_RESIZED:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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89 if (window->flags & SDL_WINDOW_FULLSCREEN) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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90 return 0;
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91 }
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92 if (data1 == window->w && data2 == window->h) {
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93 return 0;
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94 }
1915
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95 window->w = data1;
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96 window->h = data2;
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
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97 SDL_OnWindowResized(window);
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98 break;
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99 case SDL_WINDOWEVENT_MINIMIZED:
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100 if (window->flags & SDL_WINDOW_MINIMIZED) {
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101 return 0;
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102 }
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103 window->flags |= SDL_WINDOW_MINIMIZED;
3502
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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104 SDL_OnWindowMinimized(window);
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105 break;
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106 case SDL_WINDOWEVENT_MAXIMIZED:
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107 if (window->flags & SDL_WINDOW_MAXIMIZED) {
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108 return 0;
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109 }
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110 window->flags |= SDL_WINDOW_MAXIMIZED;
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111 break;
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112 case SDL_WINDOWEVENT_RESTORED:
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113 if (!(window->flags & (SDL_WINDOW_MINIMIZED | SDL_WINDOW_MAXIMIZED))) {
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114 return 0;
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115 }
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116 window->flags &= ~(SDL_WINDOW_MINIMIZED | SDL_WINDOW_MAXIMIZED);
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117 SDL_OnWindowRestored(window);
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118 break;
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119 case SDL_WINDOWEVENT_ENTER:
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120 if (window->flags & SDL_WINDOW_MOUSE_FOCUS) {
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121 return 0;
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122 }
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123 window->flags |= SDL_WINDOW_MOUSE_FOCUS;
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124 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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125 case SDL_WINDOWEVENT_LEAVE:
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126 if (!(window->flags & SDL_WINDOW_MOUSE_FOCUS)) {
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127 return 0;
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128 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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129 window->flags &= ~SDL_WINDOW_MOUSE_FOCUS;
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130 break;
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131 case SDL_WINDOWEVENT_FOCUS_GAINED:
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132 if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
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133 return 0;
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134 }
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135 window->flags |= SDL_WINDOW_INPUT_FOCUS;
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136 SDL_OnWindowFocusGained(window);
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parents:
diff changeset
137 break;
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138 case SDL_WINDOWEVENT_FOCUS_LOST:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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139 if (!(window->flags & SDL_WINDOW_INPUT_FOCUS)) {
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parents:
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140 return 0;
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parents:
diff changeset
141 }
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142 window->flags &= ~SDL_WINDOW_INPUT_FOCUS;
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143 SDL_OnWindowFocusLost(window);
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diff changeset
144 break;
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parents:
diff changeset
145 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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146
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147 /* Post the event, if desired */
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148 posted = 0;
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149 if (SDL_ProcessEvents[SDL_WINDOWEVENT] == SDL_ENABLE) {
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150 SDL_Event event;
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diff changeset
151 event.type = SDL_WINDOWEVENT;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
152 event.window.event = windowevent;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
153 event.window.data1 = data1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
154 event.window.data2 = data2;
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diff changeset
155 event.window.windowID = windowID;
3573
41cd18e05965 Fixed bug #666
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parents: 3502
diff changeset
156
41cd18e05965 Fixed bug #666
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parents: 3502
diff changeset
157 /* Fixes queue overflow with resize events that aren't processed */
41cd18e05965 Fixed bug #666
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parents: 3502
diff changeset
158 if (windowevent == SDL_WINDOWEVENT_RESIZED) {
41cd18e05965 Fixed bug #666
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parents: 3502
diff changeset
159 SDL_FilterEvents(RemovePendingSizeEvents, &event);
41cd18e05965 Fixed bug #666
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diff changeset
160 }
41cd18e05965 Fixed bug #666
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parents: 3502
diff changeset
161
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
162 posted = (SDL_PushEvent(&event) > 0);
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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parents:
diff changeset
164 return (posted);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
165 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 /* vi: set ts=4 sw=4 expandtab: */