Mercurial > sdl-ios-xcode
view test/testime.c @ 3283:1ed5d432e468
Removed outdated Atari support
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 20 Sep 2009 04:15:19 +0000 |
parents | 2d3a9f229ba1 |
children | 9de326b3099c |
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/* A simple program to test the Input Method support in the SDL library (1.3+) */ #include <stdlib.h> #include <stdio.h> #include <string.h> #include "SDL.h" #ifdef HAVE_SDL_TTF #include "SDL_ttf.h" #endif #define DEFAULT_PTSIZE 30 #define DEFAULT_FONT "/System/Library/Fonts/华文细黑.ttf" #define MAX_TEXT_LENGTH 256 SDL_Surface *screen; #ifdef HAVE_SDL_TTF TTF_Font *font; #endif SDL_Rect textRect, markedRect; Uint32 lineColor, backColor; SDL_Color textColor = { 0, 0, 0 }; char text[MAX_TEXT_LENGTH], *markedText; void usage() { printf("usage: testime [--font fontfile] [--fullscreen]\n"); exit(0); } void InitVideo(int argc, char *argv[]) { int width = 500, height = 250; int flags = SDL_HWSURFACE; const char *fontname = DEFAULT_FONT; int fullscreen = 0; for (argc--, argv++; argc > 0; argc--, argv++) { if (strcmp(argv[0], "--help") == 0) usage(); else if (strcmp(argv[0], "--fullscreen") == 0) fullscreen = 1; else if (strcmp(argv[0], "--font") == 0) { argc--; argv++; if (argc > 0) fontname = argv[0]; else usage(); } } SDL_putenv("SDL_VIDEO_WINDOW_POS=center"); if (SDL_Init(SDL_INIT_VIDEO) < 0) { fprintf(stderr, "Unable to init SDL: %s\n", SDL_GetError()); exit(-1); } #ifdef HAVE_SDL_TTF /* Initialize fonts */ TTF_Init(); font = TTF_OpenFont(fontname, DEFAULT_PTSIZE); if (! font) { fprintf(stderr, "Failed to find font: %s\n", TTF_GetError()); exit(-1); } #endif printf("Using font: %s\n", fontname); atexit(SDL_Quit); if (fullscreen) { SDL_DisplayMode mode; SDL_GetDesktopDisplayMode(&mode); width = mode.w; height = mode.h; fprintf(stderr, "%dx%d\n", width, height); flags |= SDL_FULLSCREEN; } /* Create window */ screen = SDL_SetVideoMode(width, height, 32, flags); if (screen == NULL) { fprintf(stderr, "Unable to set %dx%d video: %s\n", width, height, SDL_GetError()); exit(-1); } } void CleanupVideo() { SDL_StopTextInput(); #ifdef HAVE_SDL_TTF TTF_CloseFont(font); TTF_Quit(); #endif } void InitInput() { backColor = SDL_MapRGB(screen->format, 0xFF, 0xFF, 0xFF); lineColor = SDL_MapRGB(screen->format, 0x0, 0x0, 0x0); /* Prepare a rect for text input */ textRect.x = textRect.y = 100; textRect.w = screen->w - 2 * textRect.x; textRect.h = 50; text[0] = 0; markedRect = textRect; markedText = NULL; SDL_StartTextInput(); } #ifdef HAVE_SDL_TTF static void RenderText(SDL_Surface *sur, TTF_Font *font, const char *text, int x, int y, SDL_Color color) { SDL_Surface *textSur = TTF_RenderUTF8_Blended(font, text, color); SDL_Rect dest = { x, y, textSur->w, textSur->h }; SDL_BlitSurface(textSur, NULL, sur, &dest); SDL_FreeSurface(textSur); } #endif void Redraw() { int w = 0, h = textRect.h; SDL_Rect cursorRect, underlineRect; SDL_FillRect(screen, &textRect, backColor); #ifdef HAVE_SDL_TTF if (strlen(text)) { RenderText(screen, font, text, textRect.x, textRect.y, textColor); TTF_SizeUTF8(font, text, &w, &h); } #endif markedRect.x = textRect.x + w; markedRect.w = textRect.w - w; if (markedRect.w < 0) { SDL_Flip(screen); // Stop text input because we cannot hold any more characters SDL_StopTextInput(); return; } cursorRect = markedRect; cursorRect.w = 2; cursorRect.h = h; SDL_FillRect(screen, &markedRect, backColor); if (markedText) { #ifdef HAVE_SDL_TTF RenderText(screen, font, markedText, markedRect.x, markedRect.y, textColor); TTF_SizeUTF8(font, markedText, &w, &h); #endif underlineRect = markedRect; underlineRect.y += (h - 2); underlineRect.h = 2; underlineRect.w = w; cursorRect.x += w + 1; SDL_FillRect(screen, &underlineRect, lineColor); } SDL_FillRect(screen, &cursorRect, lineColor); SDL_Flip(screen); SDL_SetTextInputRect(&markedRect); } void HotKey_ToggleFullScreen(void) { SDL_Surface *screen; screen = SDL_GetVideoSurface(); if (SDL_WM_ToggleFullScreen(screen)) { printf("Toggled fullscreen mode - now %s\n", (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed"); } else { printf("Unable to toggle fullscreen mode\n"); } } int main(int argc, char *argv[]) { InitVideo(argc, argv); InitInput(); Redraw(); SDL_Event event; int done = 0; while (! done && SDL_WaitEvent(&event)) { switch (event.type) { case SDL_KEYDOWN: if (event.key.keysym.sym == SDLK_ESCAPE) { done = 1; break; } fprintf(stderr, "Keyboard %d: scancode 0x%08X = %s, keycode 0x%08X = %s\n", event.key.which, event.key.keysym.scancode, SDL_GetScancodeName(event.key.keysym.scancode), event.key.keysym.sym, SDL_GetKeyName(event.key.keysym.sym)); break; case SDL_TEXTINPUT: if (strlen(event.text.text) == 0 || event.text.text[0] == '\n' || markedRect.w < 0) break; fprintf(stderr, "Keyboard %d: text input \"%s\"\n", event.text.which, event.text.text); if (strlen(text) + strlen(event.text.text) < sizeof(text)) strcpy(text + strlen(text), event.text.text); fprintf(stderr, "text inputed: %s\n", text); // After text inputed, we can clear up markedText because it // is committed markedText = NULL; Redraw(); break; case SDL_TEXTEDITING: fprintf(stderr, "text editing \"%s\", selected range (%d, %d)\n", event.edit.text, event.edit.start, event.edit.length); markedText = event.edit.text; Redraw(); break; case SDL_QUIT: done = 1; break; default: break; } } CleanupVideo(); return 0; }