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annotate test/threadwin.c @ 4639:f5cd4b6231ba

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Added Test Directory. Touch input works in touchSimp for wacom bamboo fun on Ubuntu linux. Not yet integrated into library. Should support other touch devices and other linux distros, but not tested on anything else.
author Jim Grandpre <jim.tla@gmail.com>
date Mon, 24 May 2010 23:44:24 -0400
parents faa9fc8e7f67
children dc0dfdd58f27
rev   line source
0
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1
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2 /* Test out the multi-threaded event handling functions */
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3
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4 #include <stdlib.h>
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5 #include <stdio.h>
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6 #include <string.h>
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7
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8 #include "SDL.h"
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9 #include "SDL_thread.h"
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10
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11 /* Are we done yet? */
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12 static int done = 0;
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13
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14 /* Is the cursor visible? */
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15 static int visible = 1;
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16
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17 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
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18 static void
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19 quit(int rc)
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20 {
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21 SDL_Quit();
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22 exit(rc);
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23 }
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24
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25 SDL_Surface *
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26 LoadIconSurface(char *file, Uint8 ** maskp)
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27 {
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28 SDL_Surface *icon;
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29 Uint8 *pixels;
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30 Uint8 *mask;
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31 int mlen, i;
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32
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33 *maskp = NULL;
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34
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35 /* Load the icon surface */
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36 icon = SDL_LoadBMP(file);
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37 if (icon == NULL) {
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38 fprintf(stderr, "Couldn't load %s: %s\n", file, SDL_GetError());
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39 return (NULL);
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40 }
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41
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42 /* Check width and height */
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43 if ((icon->w % 8) != 0) {
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44 fprintf(stderr, "Icon width must be a multiple of 8!\n");
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45 SDL_FreeSurface(icon);
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46 return (NULL);
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47 }
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48 if (icon->format->palette == NULL) {
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49 fprintf(stderr, "Icon must have a palette!\n");
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50 SDL_FreeSurface(icon);
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51 return (NULL);
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52 }
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53
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54 /* Set the colorkey */
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55 SDL_SetColorKey(icon, SDL_SRCCOLORKEY, *((Uint8 *) icon->pixels));
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56
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57 /* Create the mask */
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58 pixels = (Uint8 *) icon->pixels;
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59 printf("Transparent pixel: (%d,%d,%d)\n",
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60 icon->format->palette->colors[*pixels].r,
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61 icon->format->palette->colors[*pixels].g,
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62 icon->format->palette->colors[*pixels].b);
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63 mlen = icon->w * icon->h;
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64 mask = (Uint8 *) malloc(mlen / 8);
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65 if (mask == NULL) {
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66 fprintf(stderr, "Out of memory!\n");
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67 SDL_FreeSurface(icon);
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68 return (NULL);
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69 }
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70 memset(mask, 0, mlen / 8);
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71 for (i = 0; i < mlen;) {
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72 if (pixels[i] != *pixels)
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73 mask[i / 8] |= 0x01;
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74 ++i;
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75 if ((i % 8) != 0)
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76 mask[i / 8] <<= 1;
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77 }
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78 *maskp = mask;
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79 return (icon);
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80 }
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81
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82 int SDLCALL
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83 FilterEvents(void *userdata, SDL_Event * event)
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84 {
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85 static int reallyquit = 0;
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86
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87 switch (event->type) {
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88
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89 case SDL_ACTIVEEVENT:
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90 /* See what happened */
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91 printf("App %s ", event->active.gain ? "gained" : "lost");
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92 if (event->active.state & SDL_APPACTIVE)
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93 printf("active ");
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94 if (event->active.state & SDL_APPMOUSEFOCUS)
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95 printf("mouse ");
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96 if (event->active.state & SDL_APPINPUTFOCUS)
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97 printf("input ");
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98 printf("focus\n");
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99
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100 /* See if we are iconified or restored */
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101 if (event->active.state & SDL_APPACTIVE) {
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102 printf("App has been %s\n",
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103 event->active.gain ? "restored" : "iconified");
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104 }
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105 return (0);
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106
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107 /* This is important! Queue it if we want to quit. */
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108 case SDL_QUIT:
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109 if (!reallyquit) {
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110 reallyquit = 1;
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111 printf("Quit requested\n");
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112 return (0);
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113 }
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114 printf("Quit demanded\n");
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115 return (1);
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116
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117 /* Mouse and keyboard events go to threads */
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118 case SDL_MOUSEMOTION:
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119 case SDL_MOUSEBUTTONDOWN:
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120 case SDL_MOUSEBUTTONUP:
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121 case SDL_KEYDOWN:
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122 case SDL_KEYUP:
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123 return (1);
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124
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125 /* Drop all other events */
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126 default:
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127 return (0);
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128 }
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129 }
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130
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131 int SDLCALL
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diff changeset
132 HandleMouse(void *unused)
0
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133 {
1895
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134 SDL_Event events[10];
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diff changeset
135 int i, found;
0
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diff changeset
136
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137 /* Handle mouse events here */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
138 while (!done) {
4429
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139 found = SDL_PeepEvents(events, 10, SDL_GETEVENT, SDL_MOUSEMOTION, SDL_MOUSEBUTTONUP);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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140 for (i = 0; i < found; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
141 switch (events[i].type) {
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142 /* We want to toggle visibility on buttonpress */
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diff changeset
143 case SDL_MOUSEBUTTONDOWN:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
144 case SDL_MOUSEBUTTONUP:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
145 if (events[i].button.state == SDL_PRESSED) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
146 visible = !visible;
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diff changeset
147 SDL_ShowCursor(visible);
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diff changeset
148 }
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diff changeset
149 printf("Mouse button %d has been %s\n",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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150 events[i].button.button,
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diff changeset
151 (events[i].button.state == SDL_PRESSED) ?
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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152 "pressed" : "released");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
153 break;
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154 /* Show relative mouse motion */
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diff changeset
155 case SDL_MOUSEMOTION:
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diff changeset
156 printf("Mouse relative motion: {%d,%d}\n",
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diff changeset
157 events[i].motion.xrel, events[i].motion.yrel);
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diff changeset
158 break;
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
159 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
160 }
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diff changeset
161 /* Give up some CPU to allow events to arrive */
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162 SDL_Delay(20);
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163 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
164 return (0);
0
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165 }
74212992fb08 Initial revision
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166
1895
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167 int SDLCALL
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168 HandleKeyboard(void *unused)
0
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169 {
1895
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170 SDL_Event events[10];
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diff changeset
171 int i, found;
0
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172
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173 /* Handle mouse events here */
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diff changeset
174 while (!done) {
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175 found = SDL_PeepEvents(events, 10, SDL_GETEVENT, SDL_KEYDOWN, SDL_KEYUP);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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176 for (i = 0; i < found; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
177 switch (events[i].type) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
178 /* We want to toggle visibility on buttonpress */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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179 case SDL_KEYDOWN:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
180 case SDL_KEYUP:
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40888832d785 Merged r3059:3060 from branches/SDL-1.2: output key event's keysym.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
181 printf("Key '%c' (keysym==%d) has been %s\n",
1895
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182 events[i].key.keysym.unicode,
2117
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diff changeset
183 (int) events[i].key.keysym.sym,
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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184 (events[i].key.state == SDL_PRESSED) ?
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
185 "pressed" : "released");
562
cb40b26523a5 Added some code to toggle fullscreen and input grab for testing... --ryan.
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parents: 0
diff changeset
186
1895
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187 /* Allow hitting <ESC> to quit the app */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
188 if (events[i].key.keysym.sym == SDLK_ESCAPE) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
189 done = 1;
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diff changeset
190 }
562
cb40b26523a5 Added some code to toggle fullscreen and input grab for testing... --ryan.
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parents: 0
diff changeset
191
1895
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diff changeset
192 /* skip events now that aren't KEYUPs... */
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diff changeset
193 if (events[i].key.state == SDL_PRESSED)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
194 break;
562
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diff changeset
195
1895
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diff changeset
196 if (events[i].key.keysym.sym == SDLK_f) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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197 int rc = 0;
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diff changeset
198 printf("attempting to toggle fullscreen...\n");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
199 rc = SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
200 printf("SDL_WM_ToggleFullScreen returned %d.\n", rc);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
201 }
562
cb40b26523a5 Added some code to toggle fullscreen and input grab for testing... --ryan.
Ryan C. Gordon <icculus@icculus.org>
parents: 0
diff changeset
202
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
203 if (events[i].key.keysym.sym == SDLK_g) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
204 SDL_GrabMode m;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
205 m = SDL_WM_GrabInput(SDL_GRAB_QUERY) ==
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
206 SDL_GRAB_ON ? SDL_GRAB_OFF : SDL_GRAB_ON;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
207 printf
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
208 ("attempting to toggle input grab to %s...\n",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
209 m == SDL_GRAB_ON ? "ON" : "OFF");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
210 SDL_WM_GrabInput(m);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
211 printf("attempt finished.\n");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
212 }
562
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Ryan C. Gordon <icculus@icculus.org>
parents: 0
diff changeset
213
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
214 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
215 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
216 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
217 /* Give up some CPU to allow events to arrive */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
218 SDL_Delay(20);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
219 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
220 return (0);
0
74212992fb08 Initial revision
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diff changeset
221 }
74212992fb08 Initial revision
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parents:
diff changeset
222
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
223 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
224 main(int argc, char *argv[])
0
74212992fb08 Initial revision
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diff changeset
225 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
226 SDL_Surface *screen;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
227 SDL_Surface *icon;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
228 Uint8 *icon_mask;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
229 int i, parsed;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
230 Uint8 *buffer;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
231 SDL_Color palette[256];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
232 Uint32 init_flags;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
233 Uint8 video_bpp;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
234 Uint32 video_flags;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
235 SDL_Thread *mouse_thread;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
236 SDL_Thread *keybd_thread;
0
74212992fb08 Initial revision
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diff changeset
237
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
238 /* Set the options, based on command line arguments */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
239 init_flags = SDL_INIT_VIDEO;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1769
diff changeset
240 video_bpp = 8;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
241 video_flags = SDL_SWSURFACE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
242 parsed = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
243 while (parsed) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
244 /* If the threaded option is enabled, and the SDL library hasn't
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
245 been compiled with threaded events enabled, then the mouse and
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
246 keyboard won't respond.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
247 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
248 if ((argc >= 2) && (strcmp(argv[1], "-threaded") == 0)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
249 init_flags |= SDL_INIT_EVENTTHREAD;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
250 argc -= 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
251 argv += 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
252 printf("Running with threaded events\n");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
253 } else if ((argc >= 2) && (strcmp(argv[1], "-fullscreen") == 0)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
254 video_flags |= SDL_FULLSCREEN;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
255 argc -= 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
256 argv += 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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257 } else if ((argc >= 3) && (strcmp(argv[1], "-bpp") == 0)) {
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258 video_bpp = atoi(argv[2]);
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259 argc -= 2;
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260 argv += 2;
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261 } else {
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262 parsed = 0;
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263 }
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264 }
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265
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266 /* Initialize SDL with the requested flags */
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267 if (SDL_Init(init_flags) < 0) {
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268 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
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269 return (1);
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270 }
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271
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272 /* Set the icon -- this must be done before the first mode set */
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273 icon = LoadIconSurface("icon.bmp", &icon_mask);
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274 if (icon != NULL) {
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275 SDL_WM_SetIcon(icon, icon_mask);
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276 }
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277 if (icon_mask != NULL)
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278 free(icon_mask);
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279
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280 /* Initialize the display */
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281 screen = SDL_SetVideoMode(640, 480, video_bpp, video_flags);
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282 if (screen == NULL) {
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283 fprintf(stderr, "Couldn't set 640x480x%d video mode: %s\n",
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284 video_bpp, SDL_GetError());
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285 quit(1);
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286 }
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287 printf("Running in %s mode\n", screen->flags & SDL_FULLSCREEN ?
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288 "fullscreen" : "windowed");
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289
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290 /* Enable printable characters */
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291 SDL_EnableUNICODE(1);
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292
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293 /* Set an event filter that discards everything but QUIT */
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294 SDL_SetEventFilter(FilterEvents, NULL);
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295
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296 /* Create the event handling threads */
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297 mouse_thread = SDL_CreateThread(HandleMouse, NULL);
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298 keybd_thread = SDL_CreateThread(HandleKeyboard, NULL);
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299
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300 /* Set the surface pixels and refresh! */
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301 for (i = 0; i < 256; ++i) {
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302 palette[i].r = 255 - i;
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303 palette[i].g = 255 - i;
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304 palette[i].b = 255 - i;
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305 }
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306 SDL_SetColors(screen, palette, 0, 256);
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307 if (SDL_LockSurface(screen) < 0) {
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308 fprintf(stderr, "Couldn't lock display surface: %s\n",
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309 SDL_GetError());
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310 quit(2);
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311 }
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312 buffer = (Uint8 *) screen->pixels;
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313 for (i = 0; i < screen->h; ++i) {
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314 memset(buffer, (i * 255) / screen->h,
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315 screen->w * screen->format->BytesPerPixel);
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316 buffer += screen->pitch;
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317 }
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318 SDL_UnlockSurface(screen);
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319 SDL_UpdateRect(screen, 0, 0, 0, 0);
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320
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321 /* Loop, waiting for QUIT */
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diff changeset
322 while (!done) {
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diff changeset
323 if (!(init_flags & SDL_INIT_EVENTTHREAD)) {
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324 SDL_PumpEvents(); /* Needed when event thread is off */
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325 }
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326 if (SDL_PeepEvents(NULL, 0, SDL_PEEKEVENT, SDL_QUIT, SDL_QUIT)) {
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327 done = 1;
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328 }
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329 /* Give up some CPU so the events can accumulate */
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330 SDL_Delay(20);
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diff changeset
331 }
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332 SDL_WaitThread(mouse_thread, NULL);
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333 SDL_WaitThread(keybd_thread, NULL);
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334 SDL_Quit();
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335 return (0);
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336 }