Mercurial > sdl-ios-xcode
annotate test/testime.c @ 4809:329708ffe2a7
Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
author | Eli Gottlieb <eligottlieb@gmail.com> |
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date | Mon, 26 Jul 2010 17:27:04 -0400 |
parents | 15eea7a1fa97 |
children | 3e69e077cb95 |
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1 /* A simple program to test the Input Method support in the SDL library (1.3+) */ |
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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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12 #define DEFAULT_PTSIZE 30 |
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13 #ifdef __QNXNTO__ |
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14 #define DEFAULT_FONT "/usr/photon/font_repository/tt0003m_.ttf" |
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15 #else |
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16 #define DEFAULT_FONT "/System/Library/Fonts/华文细黑.ttf" |
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17 #endif |
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18 #define MAX_TEXT_LENGTH 256 |
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19 |
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20 SDL_Surface *screen; |
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21 |
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22 #ifdef HAVE_SDL_TTF |
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23 TTF_Font *font; |
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24 #endif |
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25 SDL_Rect textRect, markedRect; |
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26 Uint32 lineColor, backColor; |
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27 SDL_Color textColor = { 0, 0, 0 }; |
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28 char text[MAX_TEXT_LENGTH], *markedText; |
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29 |
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30 void usage() |
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31 { |
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32 printf("usage: testime [--font fontfile] [--fullscreen]\n"); |
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33 exit(0); |
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34 } |
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35 |
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36 void InitVideo(int argc, char *argv[]) |
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37 { |
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38 int width = 640, height = 480; |
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39 int flags = SDL_HWSURFACE; |
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40 const char *fontname = DEFAULT_FONT; |
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41 int fullscreen = 0; |
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42 |
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43 for (argc--, argv++; argc > 0; argc--, argv++) |
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44 { |
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45 if (strcmp(argv[0], "--help") == 0) |
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46 usage(); |
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47 |
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48 else if (strcmp(argv[0], "--fullscreen") == 0) |
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49 fullscreen = 1; |
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50 |
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51 else if (strcmp(argv[0], "--font") == 0) |
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52 { |
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53 argc--; |
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54 argv++; |
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55 |
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56 if (argc > 0) |
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57 fontname = argv[0]; |
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58 else |
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59 usage(); |
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60 } |
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61 } |
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62 |
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63 SDL_setenv("SDL_VIDEO_WINDOW_POS", "center", 1); |
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64 if (SDL_Init(SDL_INIT_VIDEO) < 0) |
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65 { |
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66 fprintf(stderr, "Unable to init SDL: %s\n", SDL_GetError()); |
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67 exit(-1); |
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68 } |
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69 |
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70 #ifdef HAVE_SDL_TTF |
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71 /* Initialize fonts */ |
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72 TTF_Init(); |
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73 |
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74 font = TTF_OpenFont(fontname, DEFAULT_PTSIZE); |
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75 if (! font) |
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76 { |
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77 fprintf(stderr, "Failed to find font: %s\n", TTF_GetError()); |
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78 exit(-1); |
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79 } |
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80 #endif |
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81 |
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82 printf("Using font: %s\n", fontname); |
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83 atexit(SDL_Quit); |
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84 |
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85 if (fullscreen) |
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86 { |
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87 SDL_DisplayMode mode; |
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88 SDL_GetDesktopDisplayMode(&mode); |
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89 |
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90 width = mode.w; |
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91 height = mode.h; |
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92 fprintf(stderr, "%dx%d\n", width, height); |
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93 flags |= SDL_FULLSCREEN; |
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94 } |
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95 |
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96 /* Create window */ |
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97 screen = SDL_SetVideoMode(width, height, 32, flags); |
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98 if (screen == NULL) |
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99 { |
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100 fprintf(stderr, "Unable to set %dx%d video: %s\n", |
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101 width, height, SDL_GetError()); |
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102 exit(-1); |
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103 } |
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104 } |
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105 |
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106 void CleanupVideo() |
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107 { |
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108 SDL_StopTextInput(); |
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109 #ifdef HAVE_SDL_TTF |
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110 TTF_CloseFont(font); |
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111 TTF_Quit(); |
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112 #endif |
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113 } |
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114 |
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115 void InitInput() |
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116 { |
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117 backColor = SDL_MapRGB(screen->format, 0xFF, 0xFF, 0xFF); |
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118 lineColor = SDL_MapRGB(screen->format, 0x0, 0x0, 0x0); |
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119 |
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120 /* Prepare a rect for text input */ |
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121 textRect.x = textRect.y = 100; |
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122 textRect.w = screen->w - 2 * textRect.x; |
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123 textRect.h = 50; |
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124 |
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125 text[0] = 0; |
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126 markedRect = textRect; |
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127 markedText = NULL; |
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128 |
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129 SDL_StartTextInput(); |
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130 } |
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131 |
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132 #ifdef HAVE_SDL_TTF |
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133 static void RenderText(SDL_Surface *sur, |
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134 TTF_Font *font, |
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135 const char *text, |
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136 int x, int y, |
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137 SDL_Color color) |
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138 { |
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139 SDL_Surface *textSur = TTF_RenderUTF8_Blended(font, text, color); |
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140 SDL_Rect dest = { x, y, textSur->w, textSur->h }; |
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141 |
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142 SDL_BlitSurface(textSur, NULL, sur, &dest); |
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143 SDL_FreeSurface(textSur); |
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144 } |
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145 #endif |
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146 |
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147 void Redraw() |
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148 { |
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149 int w = 0, h = textRect.h; |
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150 SDL_Rect cursorRect, underlineRect; |
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151 |
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152 SDL_FillRect(screen, &textRect, backColor); |
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153 |
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154 #ifdef HAVE_SDL_TTF |
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155 if (strlen(text)) |
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156 { |
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157 RenderText(screen, font, text, textRect.x, textRect.y, textColor); |
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158 TTF_SizeUTF8(font, text, &w, &h); |
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159 } |
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160 #endif |
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161 |
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162 markedRect.x = textRect.x + w; |
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163 markedRect.w = textRect.w - w; |
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164 if (markedRect.w < 0) |
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165 { |
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166 SDL_Flip(screen); |
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167 // Stop text input because we cannot hold any more characters |
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168 SDL_StopTextInput(); |
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169 return; |
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170 } |
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171 else |
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172 { |
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173 SDL_StartTextInput(); |
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174 } |
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175 |
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176 cursorRect = markedRect; |
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177 cursorRect.w = 2; |
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178 cursorRect.h = h; |
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179 |
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180 SDL_FillRect(screen, &markedRect, backColor); |
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181 if (markedText) |
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182 { |
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183 #ifdef HAVE_SDL_TTF |
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184 RenderText(screen, font, markedText, markedRect.x, markedRect.y, textColor); |
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185 TTF_SizeUTF8(font, markedText, &w, &h); |
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186 #endif |
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187 |
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188 underlineRect = markedRect; |
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189 underlineRect.y += (h - 2); |
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190 underlineRect.h = 2; |
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191 underlineRect.w = w; |
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192 |
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193 cursorRect.x += w + 1; |
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194 |
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195 SDL_FillRect(screen, &underlineRect, lineColor); |
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196 } |
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197 |
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198 SDL_FillRect(screen, &cursorRect, lineColor); |
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199 |
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200 SDL_Flip(screen); |
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201 |
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202 SDL_SetTextInputRect(&markedRect); |
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203 } |
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204 |
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205 void |
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206 HotKey_ToggleFullScreen(void) |
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207 { |
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208 SDL_Surface *screen; |
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209 |
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210 screen = SDL_GetVideoSurface(); |
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211 if (SDL_WM_ToggleFullScreen(screen)) { |
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212 printf("Toggled fullscreen mode - now %s\n", |
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213 (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed"); |
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214 } else { |
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215 printf("Unable to toggle fullscreen mode\n"); |
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216 } |
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217 } |
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218 |
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219 int main(int argc, char *argv[]) |
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220 { |
3338 | 221 SDL_Event event; |
222 int done = 0; | |
223 | |
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224 InitVideo(argc, argv); |
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225 InitInput(); |
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226 Redraw(); |
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227 |
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228 while (! done && SDL_WaitEvent(&event)) |
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229 { |
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230 switch (event.type) |
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231 { |
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232 case SDL_KEYDOWN: |
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233 switch (event.key.keysym.sym) |
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234 { |
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235 case SDLK_ESCAPE: |
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236 done = 1; |
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237 break; |
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238 case SDLK_RETURN: |
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239 text[0]=0x00; |
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240 Redraw(); |
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241 break; |
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242 case SDLK_BACKSPACE: |
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243 { |
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244 int textlen=SDL_strlen(text); |
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245 |
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246 do { |
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247 if (textlen==0) |
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248 { |
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249 break; |
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250 } |
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251 if ((text[textlen-1] & 0x80) == 0x00) |
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252 { |
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253 /* One byte */ |
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254 text[textlen-1]=0x00; |
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255 break; |
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256 } |
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257 if ((text[textlen-1] & 0xC0) == 0x80) |
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258 { |
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259 /* Byte from the multibyte sequence */ |
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260 text[textlen-1]=0x00; |
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261 textlen--; |
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262 } |
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263 if ((text[textlen-1] & 0xC0) == 0xC0) |
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264 { |
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265 /* First byte of multibyte sequence */ |
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266 text[textlen-1]=0x00; |
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267 break; |
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268 } |
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269 } while(1); |
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270 |
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271 Redraw(); |
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272 } |
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273 break; |
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274 } |
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275 |
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276 if (done) |
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277 { |
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278 break; |
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279 } |
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280 |
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281 fprintf(stderr, |
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282 "Keyboard %d: scancode 0x%08X = %s, keycode 0x%08X = %s\n", |
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283 event.key.which, event.key.keysym.scancode, |
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284 SDL_GetScancodeName(event.key.keysym.scancode), |
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285 event.key.keysym.sym, SDL_GetKeyName(event.key.keysym.sym)); |
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286 break; |
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287 |
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288 case SDL_TEXTINPUT: |
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289 if (SDL_strlen(event.text.text) == 0 || event.text.text[0] == '\n' || |
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290 markedRect.w < 0) |
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291 break; |
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292 |
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293 fprintf(stderr, "Keyboard %d: text input \"%s\"\n", |
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294 event.text.which, event.text.text); |
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295 |
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296 if (SDL_strlen(text) + SDL_strlen(event.text.text) < sizeof(text)) |
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297 strcpy(text + SDL_strlen(text), event.text.text); |
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298 |
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299 fprintf(stderr, "text inputed: %s\n", text); |
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300 |
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301 // After text inputed, we can clear up markedText because it |
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302 // is committed |
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303 markedText = NULL; |
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304 Redraw(); |
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305 break; |
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306 |
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307 case SDL_TEXTEDITING: |
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308 fprintf(stderr, "text editing \"%s\", selected range (%d, %d)\n", |
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309 event.edit.text, event.edit.start, event.edit.length); |
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310 |
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311 markedText = event.edit.text; |
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312 Redraw(); |
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313 break; |
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314 |
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315 case SDL_QUIT: |
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316 done = 1; |
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317 break; |
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318 |
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319 default: |
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320 break; |
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321 } |
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322 } |
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323 |
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324 CleanupVideo(); |
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325 return 0; |
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326 } |