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annotate test/testime.c @ 3470:419f459f2f38

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It's not the last pixel, it's the rightmost pixel, or if they're both the same x coordinate, the bottommost pixel.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 21 Nov 2009 06:19:34 +0000
parents 9de326b3099c
children f7541260e89c
rev   line source
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1 /* A simple program to test the Input Method support in the SDL library (1.3+) */
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2
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3 #include <stdlib.h>
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4 #include <stdio.h>
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5 #include <string.h>
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6
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7 #include "SDL.h"
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8 #ifdef HAVE_SDL_TTF
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9 #include "SDL_ttf.h"
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10 #endif
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11
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12 #define DEFAULT_PTSIZE 30
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13 #define DEFAULT_FONT "/System/Library/Fonts/华文细黑.ttf"
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14 #define MAX_TEXT_LENGTH 256
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15
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16 SDL_Surface *screen;
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17
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18 #ifdef HAVE_SDL_TTF
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19 TTF_Font *font;
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20 #endif
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21 SDL_Rect textRect, markedRect;
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22 Uint32 lineColor, backColor;
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23 SDL_Color textColor = { 0, 0, 0 };
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24 char text[MAX_TEXT_LENGTH], *markedText;
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25
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26 void usage()
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27 {
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28 printf("usage: testime [--font fontfile] [--fullscreen]\n");
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29 exit(0);
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30 }
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31
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32 void InitVideo(int argc, char *argv[])
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33 {
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34 int width = 500, height = 250;
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35 int flags = SDL_HWSURFACE;
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36 const char *fontname = DEFAULT_FONT;
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37 int fullscreen = 0;
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38
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39 for (argc--, argv++; argc > 0; argc--, argv++)
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40 {
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41 if (strcmp(argv[0], "--help") == 0)
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42 usage();
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43
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44 else if (strcmp(argv[0], "--fullscreen") == 0)
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45 fullscreen = 1;
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46
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47 else if (strcmp(argv[0], "--font") == 0)
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48 {
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49 argc--;
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50 argv++;
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51
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52 if (argc > 0)
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53 fontname = argv[0];
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54 else
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55 usage();
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56 }
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57 }
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58
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59 SDL_putenv("SDL_VIDEO_WINDOW_POS=center");
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60 if (SDL_Init(SDL_INIT_VIDEO) < 0)
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61 {
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62 fprintf(stderr, "Unable to init SDL: %s\n", SDL_GetError());
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63 exit(-1);
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64 }
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65
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66 #ifdef HAVE_SDL_TTF
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67 /* Initialize fonts */
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68 TTF_Init();
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69
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70 font = TTF_OpenFont(fontname, DEFAULT_PTSIZE);
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71 if (! font)
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72 {
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73 fprintf(stderr, "Failed to find font: %s\n", TTF_GetError());
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74 exit(-1);
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75 }
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76 #endif
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77
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78 printf("Using font: %s\n", fontname);
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79 atexit(SDL_Quit);
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80
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81 if (fullscreen)
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82 {
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83 SDL_DisplayMode mode;
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84 SDL_GetDesktopDisplayMode(&mode);
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85
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86 width = mode.w;
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87 height = mode.h;
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88 fprintf(stderr, "%dx%d\n", width, height);
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89 flags |= SDL_FULLSCREEN;
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90 }
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91
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92 /* Create window */
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93 screen = SDL_SetVideoMode(width, height, 32, flags);
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94 if (screen == NULL)
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95 {
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96 fprintf(stderr, "Unable to set %dx%d video: %s\n",
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97 width, height, SDL_GetError());
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98 exit(-1);
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99 }
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100 }
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101
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102 void CleanupVideo()
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103 {
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104 SDL_StopTextInput();
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105 #ifdef HAVE_SDL_TTF
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106 TTF_CloseFont(font);
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107 TTF_Quit();
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108 #endif
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109 }
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110
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111 void InitInput()
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112 {
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113 backColor = SDL_MapRGB(screen->format, 0xFF, 0xFF, 0xFF);
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114 lineColor = SDL_MapRGB(screen->format, 0x0, 0x0, 0x0);
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115
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116 /* Prepare a rect for text input */
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117 textRect.x = textRect.y = 100;
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118 textRect.w = screen->w - 2 * textRect.x;
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119 textRect.h = 50;
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120
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121 text[0] = 0;
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122 markedRect = textRect;
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123 markedText = NULL;
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124
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125 SDL_StartTextInput();
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126 }
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127
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128 #ifdef HAVE_SDL_TTF
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129 static void RenderText(SDL_Surface *sur,
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130 TTF_Font *font,
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131 const char *text,
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132 int x, int y,
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133 SDL_Color color)
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134 {
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135 SDL_Surface *textSur = TTF_RenderUTF8_Blended(font, text, color);
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136 SDL_Rect dest = { x, y, textSur->w, textSur->h };
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137
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138 SDL_BlitSurface(textSur, NULL, sur, &dest);
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139 SDL_FreeSurface(textSur);
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140 }
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141 #endif
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142
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143 void Redraw()
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144 {
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145 int w = 0, h = textRect.h;
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146 SDL_Rect cursorRect, underlineRect;
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147
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148 SDL_FillRect(screen, &textRect, backColor);
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149
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150 #ifdef HAVE_SDL_TTF
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151 if (strlen(text))
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152 {
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153 RenderText(screen, font, text, textRect.x, textRect.y, textColor);
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154 TTF_SizeUTF8(font, text, &w, &h);
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155 }
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156 #endif
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157
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158 markedRect.x = textRect.x + w;
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159 markedRect.w = textRect.w - w;
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160 if (markedRect.w < 0)
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161 {
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162 SDL_Flip(screen);
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163 // Stop text input because we cannot hold any more characters
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164 SDL_StopTextInput();
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165 return;
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166 }
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167
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168 cursorRect = markedRect;
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169 cursorRect.w = 2;
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170 cursorRect.h = h;
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171
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172 SDL_FillRect(screen, &markedRect, backColor);
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173 if (markedText)
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174 {
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175 #ifdef HAVE_SDL_TTF
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176 RenderText(screen, font, markedText, markedRect.x, markedRect.y, textColor);
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177 TTF_SizeUTF8(font, markedText, &w, &h);
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178 #endif
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179
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180 underlineRect = markedRect;
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181 underlineRect.y += (h - 2);
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182 underlineRect.h = 2;
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183 underlineRect.w = w;
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184
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185 cursorRect.x += w + 1;
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186
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187 SDL_FillRect(screen, &underlineRect, lineColor);
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188 }
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189
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190 SDL_FillRect(screen, &cursorRect, lineColor);
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191
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192 SDL_Flip(screen);
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193
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194 SDL_SetTextInputRect(&markedRect);
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195 }
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196
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197 void
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198 HotKey_ToggleFullScreen(void)
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199 {
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200 SDL_Surface *screen;
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201
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202 screen = SDL_GetVideoSurface();
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203 if (SDL_WM_ToggleFullScreen(screen)) {
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204 printf("Toggled fullscreen mode - now %s\n",
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205 (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
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206 } else {
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207 printf("Unable to toggle fullscreen mode\n");
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208 }
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209 }
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210
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diff changeset
211 int main(int argc, char *argv[])
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212 {
3338
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diff changeset
213 SDL_Event event;
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diff changeset
214 int done = 0;
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diff changeset
215
3280
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216 InitVideo(argc, argv);
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diff changeset
217 InitInput();
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218 Redraw();
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219
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220 while (! done && SDL_WaitEvent(&event))
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221 {
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222 switch (event.type)
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223 {
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224 case SDL_KEYDOWN:
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225 if (event.key.keysym.sym == SDLK_ESCAPE) {
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226 done = 1;
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227 break;
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228 }
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229
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diff changeset
230 fprintf(stderr,
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231 "Keyboard %d: scancode 0x%08X = %s, keycode 0x%08X = %s\n",
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diff changeset
232 event.key.which, event.key.keysym.scancode,
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diff changeset
233 SDL_GetScancodeName(event.key.keysym.scancode),
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diff changeset
234 event.key.keysym.sym, SDL_GetKeyName(event.key.keysym.sym));
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diff changeset
235 break;
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diff changeset
236
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237 case SDL_TEXTINPUT:
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diff changeset
238 if (strlen(event.text.text) == 0 || event.text.text[0] == '\n' ||
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diff changeset
239 markedRect.w < 0)
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diff changeset
240 break;
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diff changeset
241
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diff changeset
242 fprintf(stderr, "Keyboard %d: text input \"%s\"\n",
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diff changeset
243 event.text.which, event.text.text);
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diff changeset
244
00cace2d9080 Merged a cleaned up version of Jiang's code changes from Google Summer of Code 2009
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diff changeset
245 if (strlen(text) + strlen(event.text.text) < sizeof(text))
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diff changeset
246 strcpy(text + strlen(text), event.text.text);
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diff changeset
247
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diff changeset
248 fprintf(stderr, "text inputed: %s\n", text);
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diff changeset
249
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diff changeset
250 // After text inputed, we can clear up markedText because it
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diff changeset
251 // is committed
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diff changeset
252 markedText = NULL;
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diff changeset
253 Redraw();
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diff changeset
254 break;
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diff changeset
255
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diff changeset
256 case SDL_TEXTEDITING:
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diff changeset
257 fprintf(stderr, "text editing \"%s\", selected range (%d, %d)\n",
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diff changeset
258 event.edit.text, event.edit.start, event.edit.length);
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diff changeset
259
00cace2d9080 Merged a cleaned up version of Jiang's code changes from Google Summer of Code 2009
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diff changeset
260 markedText = event.edit.text;
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parents:
diff changeset
261 Redraw();
00cace2d9080 Merged a cleaned up version of Jiang's code changes from Google Summer of Code 2009
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diff changeset
262 break;
00cace2d9080 Merged a cleaned up version of Jiang's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263
00cace2d9080 Merged a cleaned up version of Jiang's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 case SDL_QUIT:
00cace2d9080 Merged a cleaned up version of Jiang's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 done = 1;
00cace2d9080 Merged a cleaned up version of Jiang's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 break;
00cace2d9080 Merged a cleaned up version of Jiang's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267
00cace2d9080 Merged a cleaned up version of Jiang's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 default:
00cace2d9080 Merged a cleaned up version of Jiang's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 break;
00cace2d9080 Merged a cleaned up version of Jiang's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 }
00cace2d9080 Merged a cleaned up version of Jiang's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 }
00cace2d9080 Merged a cleaned up version of Jiang's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272
00cace2d9080 Merged a cleaned up version of Jiang's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 CleanupVideo();
00cace2d9080 Merged a cleaned up version of Jiang's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 return 0;
00cace2d9080 Merged a cleaned up version of Jiang's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 }