Mercurial > sdl-ios-xcode
annotate test/testime.c @ 3133:84119fe89d26 gsoc2009_IME
Draw cursor, underline marked text
| author | Jiang Jiang <gzjjgod@gmail.com> |
|---|---|
| date | Wed, 01 Jul 2009 16:12:00 +0000 |
| parents | 88861448961f |
| children | f896821736fb |
| 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 | |
| 14 static void render_text(SDL_Surface *sur, | |
| 15 TTF_Font *font, | |
| 16 const char *text, | |
| 17 int x, int y, | |
| 18 SDL_Color color) | |
| 19 { | |
| 20 SDL_Surface *textSur = TTF_RenderUTF8_Blended(font, text, color); | |
| 21 SDL_Rect dest = { x, y, textSur->w, textSur->h }; | |
| 22 | |
| 23 SDL_BlitSurface(textSur, NULL, sur, &dest); | |
| 24 SDL_FreeSurface(textSur); | |
| 25 } | |
| 26 | |
| 27 int main(int argc, char *argv[]) | |
| 28 { | |
| 29 int width, height; | |
| 30 SDL_Surface *screen; | |
| 31 TTF_Font *font; | |
| 32 | |
| 33 width = 500, height = 250; | |
| 34 | |
| 35 SDL_putenv("SDL_VIDEO_WINDOW_POS=center"); | |
| 36 | |
| 37 if (SDL_Init(SDL_INIT_VIDEO) < 0) | |
| 38 { | |
| 39 fprintf(stderr, "Unable to init SDL: %s\n", SDL_GetError()); | |
| 40 return -1; | |
| 41 } | |
| 42 | |
| 43 /* Initialize fonts */ | |
| 44 TTF_Init(); | |
| 45 | |
| 46 font = TTF_OpenFont(DEFAULT_FONT, DEFAULT_PTSIZE); | |
| 47 if (! font) | |
| 48 { | |
| 49 fprintf(stderr, "Failed to find font: %s\n", SDL_GetError()); | |
| 50 exit(-1); | |
| 51 } | |
| 52 | |
| 53 atexit(SDL_Quit); | |
| 54 | |
| 55 /* Create window */ | |
| 56 screen = SDL_SetVideoMode(width, height, 32, | |
| 57 SDL_HWSURFACE | SDL_DOUBLEBUF); | |
| 58 if (screen == NULL) | |
| 59 { | |
| 60 fprintf(stderr, "Unable to set %dx%d video: %s\n", | |
| 61 width, height, SDL_GetError()); | |
| 62 return -1; | |
| 63 } | |
| 64 | |
| 65 /* Prepare a rect for text input */ | |
|
3133
84119fe89d26
Draw cursor, underline marked text
Jiang Jiang <gzjjgod@gmail.com>
parents:
3132
diff
changeset
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66 SDL_Rect textRect = { 100, 80, 300, 50 }, markedRect, underlineRect, cursorRect; |
| 3131 | 67 Uint32 backColor = SDL_MapRGB(screen->format, 0xFF, 0xFF, 0xFF); |
|
3133
84119fe89d26
Draw cursor, underline marked text
Jiang Jiang <gzjjgod@gmail.com>
parents:
3132
diff
changeset
|
68 Uint32 lineColor = SDL_MapRGB(screen->format, 0x0, 0x0, 0x0); |
| 3131 | 69 SDL_Color textColor = { 0, 0, 0 }; |
| 70 SDL_FillRect(screen, &textRect, backColor); | |
| 71 | |
| 72 markedRect = textRect; | |
| 73 SDL_StartTextInput(&markedRect); | |
| 74 | |
| 75 SDL_Flip(screen); | |
| 76 | |
| 77 SDL_Event event; | |
| 78 int done = 0, inputed = 0; | |
| 79 int w, h; | |
| 80 char text[MAX_TEXT_LENGTH]; | |
| 81 | |
| 82 while (! done && SDL_WaitEvent(&event)) | |
| 83 { | |
| 84 switch (event.type) | |
| 85 { | |
| 86 case SDL_KEYDOWN: | |
| 87 fprintf(stderr, | |
| 88 "Keyboard %d: scancode 0x%08X = %s, keycode 0x%08X = %s\n", | |
| 89 event.key.which, event.key.keysym.scancode, | |
| 90 SDL_GetScancodeName(event.key.keysym.scancode), | |
| 91 event.key.keysym.sym, SDL_GetKeyName(event.key.keysym.sym)); | |
| 92 break; | |
| 93 | |
| 94 case SDL_TEXTINPUT: | |
| 95 fprintf(stderr, "Keyboard %d: text input \"%s\"\n", | |
| 96 event.text.which, event.text.text); | |
| 97 | |
| 98 if (inputed < sizeof(text)) | |
| 99 { | |
| 100 strcpy(text + inputed, event.text.text); | |
| 101 inputed += strlen(event.text.text); | |
| 102 } | |
| 103 | |
| 104 fprintf(stderr, "text inputed: %s\n", text); | |
| 105 SDL_FillRect(screen, &textRect, backColor); | |
| 106 | |
| 107 render_text(screen, font, text, textRect.x, textRect.y, textColor); | |
| 108 TTF_SizeUTF8(font, text, &w, &h); | |
| 109 markedRect.x = textRect.x + w; | |
|
3133
84119fe89d26
Draw cursor, underline marked text
Jiang Jiang <gzjjgod@gmail.com>
parents:
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diff
changeset
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110 |
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84119fe89d26
Draw cursor, underline marked text
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parents:
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diff
changeset
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111 cursorRect = markedRect; |
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84119fe89d26
Draw cursor, underline marked text
Jiang Jiang <gzjjgod@gmail.com>
parents:
3132
diff
changeset
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112 cursorRect.w = 2; |
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84119fe89d26
Draw cursor, underline marked text
Jiang Jiang <gzjjgod@gmail.com>
parents:
3132
diff
changeset
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113 cursorRect.h = h; |
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84119fe89d26
Draw cursor, underline marked text
Jiang Jiang <gzjjgod@gmail.com>
parents:
3132
diff
changeset
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114 SDL_FillRect(screen, &cursorRect, lineColor); |
| 3131 | 115 SDL_Flip(screen); |
| 116 | |
| 117 SDL_StartTextInput(&markedRect); | |
| 118 break; | |
| 119 | |
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Add SDL_TEXTEDTING event to inform application about marked text.
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parents:
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diff
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120 case SDL_TEXTEDITING: |
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88861448961f
Add SDL_TEXTEDTING event to inform application about marked text.
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parents:
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121 fprintf(stderr, "text editing \"%s\", selected range (%d, %d)\n", |
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Add SDL_TEXTEDTING event to inform application about marked text.
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parents:
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diff
changeset
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122 event.edit.text, event.edit.start, event.edit.length); |
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88861448961f
Add SDL_TEXTEDTING event to inform application about marked text.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3131
diff
changeset
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123 |
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88861448961f
Add SDL_TEXTEDTING event to inform application about marked text.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3131
diff
changeset
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124 SDL_FillRect(screen, &markedRect, backColor); |
|
88861448961f
Add SDL_TEXTEDTING event to inform application about marked text.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3131
diff
changeset
|
125 render_text(screen, font, event.edit.text, markedRect.x, markedRect.y, textColor); |
|
3133
84119fe89d26
Draw cursor, underline marked text
Jiang Jiang <gzjjgod@gmail.com>
parents:
3132
diff
changeset
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126 TTF_SizeUTF8(font, event.edit.text, &w, &h); |
|
84119fe89d26
Draw cursor, underline marked text
Jiang Jiang <gzjjgod@gmail.com>
parents:
3132
diff
changeset
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127 underlineRect = markedRect; |
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84119fe89d26
Draw cursor, underline marked text
Jiang Jiang <gzjjgod@gmail.com>
parents:
3132
diff
changeset
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128 underlineRect.y += (h - 2); |
|
84119fe89d26
Draw cursor, underline marked text
Jiang Jiang <gzjjgod@gmail.com>
parents:
3132
diff
changeset
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129 underlineRect.h = 2; |
|
84119fe89d26
Draw cursor, underline marked text
Jiang Jiang <gzjjgod@gmail.com>
parents:
3132
diff
changeset
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130 underlineRect.w = w; |
|
84119fe89d26
Draw cursor, underline marked text
Jiang Jiang <gzjjgod@gmail.com>
parents:
3132
diff
changeset
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131 SDL_FillRect(screen, &underlineRect, lineColor); |
|
84119fe89d26
Draw cursor, underline marked text
Jiang Jiang <gzjjgod@gmail.com>
parents:
3132
diff
changeset
|
132 |
|
3132
88861448961f
Add SDL_TEXTEDTING event to inform application about marked text.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3131
diff
changeset
|
133 SDL_Flip(screen); |
|
88861448961f
Add SDL_TEXTEDTING event to inform application about marked text.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3131
diff
changeset
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134 break; |
|
88861448961f
Add SDL_TEXTEDTING event to inform application about marked text.
Jiang Jiang <gzjjgod@gmail.com>
parents:
3131
diff
changeset
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135 |
| 3131 | 136 case SDL_QUIT: |
| 137 done = 1; | |
| 138 break; | |
| 139 | |
| 140 default: | |
| 141 break; | |
| 142 } | |
| 143 } | |
| 144 | |
| 145 TTF_CloseFont(font); | |
| 146 TTF_Quit(); | |
| 147 | |
| 148 return 0; | |
| 149 } | |
| 150 |