Mercurial > sdl-ios-xcode
annotate test/testime.c @ 3136:962357f325e1 gsoc2009_IME
Further polish API, fix crash in test program.
| author | Jiang Jiang <gzjjgod@gmail.com> |
|---|---|
| date | Thu, 06 Aug 2009 08:59:53 +0000 |
| parents | f896821736fb |
| children | 311c678f3b2e |
| rev | line source |
|---|---|
| 3131 | 1 /* A simple program to test the Input Method support in the SDL library (1.3+) */ |
| 2 | |
| 3 #include <stdlib.h> | |
| 4 #include <stdio.h> | |
| 5 #include <string.h> | |
| 6 | |
| 7 #include "SDL.h" | |
| 8 #include <SDL/SDL_ttf.h> | |
| 9 | |
| 10 #define DEFAULT_PTSIZE 30 | |
| 11 #define DEFAULT_FONT "DroidSansFallback.ttf" | |
| 12 #define MAX_TEXT_LENGTH 256 | |
| 13 | |
| 3134 | 14 SDL_Surface *screen; |
| 15 TTF_Font *font; | |
| 16 SDL_Rect textRect, markedRect; | |
| 17 Uint32 lineColor, backColor; | |
| 18 SDL_Color textColor = { 0, 0, 0 }; | |
| 19 char text[MAX_TEXT_LENGTH], *markedText; | |
| 3131 | 20 |
| 3134 | 21 void InitVideo(int argc, char *argv[]) |
| 3131 | 22 { |
| 3134 | 23 int width = 500, height = 250; |
| 3131 | 24 |
| 25 SDL_putenv("SDL_VIDEO_WINDOW_POS=center"); | |
| 26 if (SDL_Init(SDL_INIT_VIDEO) < 0) | |
| 27 { | |
| 28 fprintf(stderr, "Unable to init SDL: %s\n", SDL_GetError()); | |
| 3134 | 29 exit(-1); |
| 3131 | 30 } |
| 31 | |
| 32 /* Initialize fonts */ | |
| 33 TTF_Init(); | |
| 34 | |
| 35 font = TTF_OpenFont(DEFAULT_FONT, DEFAULT_PTSIZE); | |
| 36 if (! font) | |
| 37 { | |
| 38 fprintf(stderr, "Failed to find font: %s\n", SDL_GetError()); | |
| 39 exit(-1); | |
| 40 } | |
| 41 | |
| 42 atexit(SDL_Quit); | |
| 43 | |
| 3134 | 44 int flags = SDL_HWSURFACE; |
| 45 if (argc > 1 && strcmp(argv[1], "--fullscreen") == 0) | |
| 46 { | |
| 47 SDL_DisplayMode mode; | |
| 48 SDL_GetDesktopDisplayMode(&mode); | |
| 49 | |
| 50 width = mode.w; | |
| 51 height = mode.h; | |
| 52 fprintf(stderr, "%dx%d\n", width, height); | |
| 53 flags |= SDL_FULLSCREEN; | |
| 54 } | |
| 55 | |
| 3131 | 56 /* Create window */ |
| 3134 | 57 screen = SDL_SetVideoMode(width, height, 32, flags); |
| 3131 | 58 if (screen == NULL) |
| 59 { | |
| 60 fprintf(stderr, "Unable to set %dx%d video: %s\n", | |
| 61 width, height, SDL_GetError()); | |
| 3134 | 62 exit(-1); |
| 3131 | 63 } |
| 3134 | 64 } |
| 65 | |
| 66 void CleanupVideo() | |
| 67 { | |
|
3136
962357f325e1
Further polish API, fix crash in test program.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3134
diff
changeset
|
68 SDL_StopTextInput(); |
| 3134 | 69 TTF_CloseFont(font); |
| 70 TTF_Quit(); | |
| 71 } | |
| 72 | |
| 73 void InitInput() | |
| 74 { | |
| 75 backColor = SDL_MapRGB(screen->format, 0xFF, 0xFF, 0xFF); | |
| 76 lineColor = SDL_MapRGB(screen->format, 0x0, 0x0, 0x0); | |
| 3131 | 77 |
| 78 /* Prepare a rect for text input */ | |
| 3134 | 79 textRect.x = textRect.y = 100; |
| 80 textRect.w = screen->w - 2 * textRect.x; | |
| 81 textRect.h = 50; | |
| 82 | |
| 83 text[0] = 0; | |
| 84 markedRect = textRect; | |
| 85 markedText = NULL; | |
|
3136
962357f325e1
Further polish API, fix crash in test program.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3134
diff
changeset
|
86 |
|
962357f325e1
Further polish API, fix crash in test program.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3134
diff
changeset
|
87 SDL_StartTextInput(); |
| 3134 | 88 } |
| 89 | |
| 90 static void RenderText(SDL_Surface *sur, | |
| 91 TTF_Font *font, | |
| 92 const char *text, | |
| 93 int x, int y, | |
| 94 SDL_Color color) | |
| 95 { | |
| 96 SDL_Surface *textSur = TTF_RenderUTF8_Blended(font, text, color); | |
| 97 SDL_Rect dest = { x, y, textSur->w, textSur->h }; | |
| 98 | |
| 99 SDL_BlitSurface(textSur, NULL, sur, &dest); | |
| 100 SDL_FreeSurface(textSur); | |
| 101 } | |
| 102 | |
| 103 void Redraw() | |
| 104 { | |
| 105 int w = 0, h = textRect.h; | |
| 106 SDL_Rect cursorRect, underlineRect; | |
| 107 | |
| 3131 | 108 SDL_FillRect(screen, &textRect, backColor); |
| 109 | |
| 3134 | 110 if (strlen(text)) |
| 111 { | |
| 112 RenderText(screen, font, text, textRect.x, textRect.y, textColor); | |
| 113 TTF_SizeUTF8(font, text, &w, &h); | |
| 114 } | |
| 115 | |
| 116 markedRect.x = textRect.x + w; | |
| 117 markedRect.w = textRect.w - w; | |
| 118 if (markedRect.w < 0) | |
| 119 { | |
| 120 SDL_Flip(screen); | |
|
3136
962357f325e1
Further polish API, fix crash in test program.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3134
diff
changeset
|
121 // Stop text input because we cannot hold any more characters |
|
962357f325e1
Further polish API, fix crash in test program.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3134
diff
changeset
|
122 SDL_StopTextInput(); |
| 3134 | 123 return; |
| 124 } | |
| 125 | |
| 126 SDL_FillRect(screen, &markedRect, backColor); | |
| 127 | |
| 128 if (markedText) | |
| 129 { | |
| 130 RenderText(screen, font, markedText, markedRect.x, markedRect.y, textColor); | |
| 131 TTF_SizeUTF8(font, markedText, &w, &h); | |
| 132 | |
| 133 underlineRect = markedRect; | |
| 134 underlineRect.y += (h - 2); | |
| 135 underlineRect.h = 2; | |
| 136 underlineRect.w = w; | |
| 137 SDL_FillRect(screen, &underlineRect, lineColor); | |
| 138 } | |
| 139 | |
| 140 cursorRect = markedRect; | |
| 141 cursorRect.w = 2; | |
| 142 cursorRect.h = h; | |
| 143 SDL_FillRect(screen, &cursorRect, lineColor); | |
| 3131 | 144 |
| 145 SDL_Flip(screen); | |
| 146 | |
|
3136
962357f325e1
Further polish API, fix crash in test program.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3134
diff
changeset
|
147 SDL_SetTextInputRect(&markedRect); |
| 3134 | 148 } |
| 149 | |
| 150 void | |
| 151 HotKey_ToggleFullScreen(void) | |
| 152 { | |
| 153 SDL_Surface *screen; | |
| 154 | |
| 155 screen = SDL_GetVideoSurface(); | |
| 156 if (SDL_WM_ToggleFullScreen(screen)) { | |
| 157 printf("Toggled fullscreen mode - now %s\n", | |
| 158 (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed"); | |
| 159 } else { | |
| 160 printf("Unable to toggle fullscreen mode\n"); | |
| 161 } | |
| 162 } | |
| 163 | |
| 164 int main(int argc, char *argv[]) | |
| 165 { | |
| 166 InitVideo(argc, argv); | |
| 167 InitInput(); | |
| 168 Redraw(); | |
| 169 | |
| 3131 | 170 SDL_Event event; |
| 3134 | 171 int done = 0; |
| 3131 | 172 |
| 173 while (! done && SDL_WaitEvent(&event)) | |
| 174 { | |
| 175 switch (event.type) | |
| 176 { | |
| 177 case SDL_KEYDOWN: | |
| 3134 | 178 if (event.key.keysym.sym == SDLK_ESCAPE) { |
| 179 done = 1; | |
| 180 break; | |
| 181 } | |
| 182 | |
| 3131 | 183 fprintf(stderr, |
| 184 "Keyboard %d: scancode 0x%08X = %s, keycode 0x%08X = %s\n", | |
| 185 event.key.which, event.key.keysym.scancode, | |
| 186 SDL_GetScancodeName(event.key.keysym.scancode), | |
| 187 event.key.keysym.sym, SDL_GetKeyName(event.key.keysym.sym)); | |
| 188 break; | |
| 189 | |
| 190 case SDL_TEXTINPUT: | |
| 3134 | 191 if (strlen(event.text.text) == 0 || event.text.text[0] == '\n' || |
| 192 markedRect.w < 0) | |
| 193 break; | |
| 194 | |
| 3131 | 195 fprintf(stderr, "Keyboard %d: text input \"%s\"\n", |
| 196 event.text.which, event.text.text); | |
| 197 | |
| 3134 | 198 if (strlen(text) + strlen(event.text.text) < sizeof(text)) |
| 199 strcpy(text + strlen(text), event.text.text); | |
| 3131 | 200 |
| 201 fprintf(stderr, "text inputed: %s\n", text); | |
| 202 | |
| 3134 | 203 // After text inputed, we can clear up markedText because it |
| 204 // is committed | |
| 205 markedText = NULL; | |
| 206 Redraw(); | |
| 3131 | 207 break; |
| 208 | |
|
3132
88861448961f
Add SDL_TEXTEDTING event to inform application about marked text.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3131
diff
changeset
|
209 case SDL_TEXTEDITING: |
|
88861448961f
Add SDL_TEXTEDTING event to inform application about marked text.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3131
diff
changeset
|
210 fprintf(stderr, "text editing \"%s\", selected range (%d, %d)\n", |
|
88861448961f
Add SDL_TEXTEDTING event to inform application about marked text.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3131
diff
changeset
|
211 event.edit.text, event.edit.start, event.edit.length); |
|
88861448961f
Add SDL_TEXTEDTING event to inform application about marked text.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3131
diff
changeset
|
212 |
| 3134 | 213 markedText = event.edit.text; |
| 214 Redraw(); | |
|
3132
88861448961f
Add SDL_TEXTEDTING event to inform application about marked text.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3131
diff
changeset
|
215 break; |
|
88861448961f
Add SDL_TEXTEDTING event to inform application about marked text.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3131
diff
changeset
|
216 |
| 3131 | 217 case SDL_QUIT: |
| 218 done = 1; | |
| 219 break; | |
| 220 | |
| 221 default: | |
| 222 break; | |
| 223 } | |
| 224 } | |
| 225 | |
| 3134 | 226 CleanupVideo(); |
| 3131 | 227 return 0; |
| 228 } | |
| 229 |