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annotate src/events/SDL_windowevents.c @ 3191:91b335df6fc8

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Fixed bug #750 Since many different event structures include windowID it should be placed near the beginning of the structure (preferably right after type) so it's position is the same between different events. This is to avoid code like this: if (event.type == SDL_WINDOWEVENT) win = event.window.windowID; else if ((SDL_EVENTMASK(event.type) & SDL_KEYEVENTMASK) != 0) win = event.key.windowID; else if (event.type == SDL_TEXTINPUT) win = event.text.windowID; else if (event.type == SDL_MOUSEMOTION) win = event.motion.windowID; else if ((SDL_EVENTMASK(event.type) & (SDL_MOUBUTTONDOWNMASK | SDL_MOUBUTTONUPMASK)) != 0) win = event.button.windowID; else if (event.type == SDL_MOUSEWHEEL) win = event.wheel.windowID; ... in favor of: win = event.window.windowID;
author Sam Lantinga <slouken@libsdl.org>
date Wed, 10 Jun 2009 14:00:21 +0000
parents 91a7e08cd238
children 98a819296cdc
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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99210400e8b9 Updated copyright date
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3 Copyright (C) 1997-2009 Sam Lantinga
1895
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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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.
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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,
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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
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13 Lesser General Public License for more details.
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14
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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
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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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"
2794
f7872b7a8732 Fixed mouse coordinate range on Mac OS X
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28 #include "SDL_mouse_c.h"
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29 #include "../video/SDL_sysvideo.h"
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30
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31 int
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32 SDL_SendWindowEvent(SDL_WindowID windowID, Uint8 windowevent, int data1,
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33 int data2)
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34 {
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35 int posted;
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36 SDL_Window *window;
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37
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38 window = SDL_GetWindowFromID(windowID);
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39 if (!window) {
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40 return 0;
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41 }
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42 switch (windowevent) {
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43 case SDL_WINDOWEVENT_SHOWN:
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44 if (window->flags & SDL_WINDOW_SHOWN) {
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45 return 0;
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46 }
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47 window->flags |= SDL_WINDOW_SHOWN;
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48 SDL_OnWindowShown(window);
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49 break;
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50 case SDL_WINDOWEVENT_HIDDEN:
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51 if (!(window->flags & SDL_WINDOW_SHOWN)) {
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52 return 0;
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53 }
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54 window->flags &= ~SDL_WINDOW_SHOWN;
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55 SDL_OnWindowHidden(window);
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56 break;
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57 case SDL_WINDOWEVENT_MOVED:
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58 if (window->flags & SDL_WINDOW_FULLSCREEN) {
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59 return 0;
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60 }
2875
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61 if (data1 == SDL_WINDOWPOS_UNDEFINED) {
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62 data1 = window->x;
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63 }
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64 if (data2 == SDL_WINDOWPOS_UNDEFINED) {
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65 data2 = window->y;
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66 }
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67 if (data1 == window->x && data2 == window->y) {
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68 return 0;
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69 }
1915
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70 window->x = data1;
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71 window->y = data2;
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72 break;
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73 case SDL_WINDOWEVENT_RESIZED:
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74 if (window->flags & SDL_WINDOW_FULLSCREEN) {
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75 return 0;
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76 }
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77 if (data1 == window->w && data2 == window->h) {
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78 return 0;
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79 }
1915
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80 window->w = data1;
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81 window->h = data2;
1970
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes.
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82 SDL_OnWindowResized(window);
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83 break;
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84 case SDL_WINDOWEVENT_MINIMIZED:
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85 if (window->flags & SDL_WINDOW_MINIMIZED) {
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86 return 0;
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87 }
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88 window->flags |= SDL_WINDOW_MINIMIZED;
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89 break;
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90 case SDL_WINDOWEVENT_MAXIMIZED:
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91 if (window->flags & SDL_WINDOW_MAXIMIZED) {
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92 return 0;
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93 }
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94 window->flags |= SDL_WINDOW_MAXIMIZED;
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95 break;
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96 case SDL_WINDOWEVENT_RESTORED:
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97 if (!(window->flags & (SDL_WINDOW_MINIMIZED | SDL_WINDOW_MAXIMIZED))) {
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98 return 0;
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99 }
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100 window->flags &= ~(SDL_WINDOW_MINIMIZED | SDL_WINDOW_MAXIMIZED);
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101 break;
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102 case SDL_WINDOWEVENT_ENTER:
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103 if (window->flags & SDL_WINDOW_MOUSE_FOCUS) {
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104 return 0;
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105 }
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106 window->flags |= SDL_WINDOW_MOUSE_FOCUS;
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107 break;
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108 case SDL_WINDOWEVENT_LEAVE:
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109 if (!(window->flags & SDL_WINDOW_MOUSE_FOCUS)) {
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110 return 0;
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111 }
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112 window->flags &= ~SDL_WINDOW_MOUSE_FOCUS;
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113 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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114 case SDL_WINDOWEVENT_FOCUS_GAINED:
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115 if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
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116 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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117 }
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118 window->flags |= SDL_WINDOW_INPUT_FOCUS;
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119 SDL_OnWindowFocusGained(window);
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120 break;
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121 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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122 if (!(window->flags & SDL_WINDOW_INPUT_FOCUS)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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123 return 0;
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124 }
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125 window->flags &= ~SDL_WINDOW_INPUT_FOCUS;
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126 SDL_OnWindowFocusLost(window);
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127 break;
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128 }
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129
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130 /* Post the event, if desired */
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131 posted = 0;
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132 if (SDL_ProcessEvents[SDL_WINDOWEVENT] == SDL_ENABLE) {
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133 SDL_Event event;
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134 event.type = SDL_WINDOWEVENT;
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135 event.window.event = windowevent;
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136 event.window.data1 = data1;
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137 event.window.data2 = data2;
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138 event.window.windowID = windowID;
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139 posted = (SDL_PushEvent(&event) > 0);
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140 }
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141 return (posted);
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142 }
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143
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144 /* vi: set ts=4 sw=4 expandtab: */