Atlas - testmessage.c
Home / ext / SDL2 / test Lines: 14 | Size: 5914 bytes [Download] [Show on GitHub] [Search similar files] [Raw] [Raw (proxy)][FILE BEGIN]1/* 2 Copyright (C) 1997-2018 Sam Lantinga <[email protected]> 3 4 This software is provided 'as-is', without any express or implied 5 warranty. In no event will the authors be held liable for any damages 6 arising from the use of this software. 7 8 Permission is granted to anyone to use this software for any purpose, 9 including commercial applications, and to alter it and redistribute it 10 freely. 11*/ 12 13/* Simple test of the SDL MessageBox API */ 14 15#include <stdio.h> 16#include <stdlib.h> 17 18#include "SDL.h" 19 20/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ 21static void 22quit(int rc) 23{ 24 SDL_Quit(); 25 exit(rc); 26} 27 28static int SDLCALL 29button_messagebox(void *eventNumber) 30{ 31 const SDL_MessageBoxButtonData buttons[] = { 32 { 33 SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT, 34 0, 35 "OK" 36 },{ 37 SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT, 38 1, 39 "Cancel" 40 }, 41 }; 42 43 SDL_MessageBoxData data = { 44 SDL_MESSAGEBOX_INFORMATION, 45 NULL, /* no parent window */ 46 "Custom MessageBox", 47 "This is a custom messagebox", 48 2, 49 NULL,/* buttons */ 50 NULL /* Default color scheme */ 51 }; 52 53 int button = -1; 54 int success = 0; 55 data.buttons = buttons; 56 if (eventNumber) { 57 data.message = "This is a custom messagebox from a background thread."; 58 } 59 60 success = SDL_ShowMessageBox(&data, &button); 61 if (success == -1) { 62 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error Presenting MessageBox: %s\n", SDL_GetError()); 63 if (eventNumber) { 64 SDL_UserEvent event; 65 event.type = (intptr_t)eventNumber; 66 SDL_PushEvent((SDL_Event*)&event); 67 return 1; 68 } else { 69 quit(2); 70 } 71 } 72 SDL_Log("Pressed button: %d, %s\n", button, button == -1 ? "[closed]" : button == 1 ? "Cancel" : "OK"); 73 74 if (eventNumber) { 75 SDL_UserEvent event; 76 event.type = (intptr_t)eventNumber; 77 SDL_PushEvent((SDL_Event*)&event); 78 } 79 80 return 0; 81} 82 83int 84main(int argc, char *argv[]) 85{ 86 int success; 87 88 /* Enable standard application logging */ 89 SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO); 90 91 success = SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, 92 "Simple MessageBox", 93 "This is a simple error MessageBox", 94 NULL); 95 if (success == -1) { 96 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error Presenting MessageBox: %s\n", SDL_GetError()); 97 quit(1); 98 } 99 100 success = SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, 101 "Simple MessageBox", 102 "This is a simple MessageBox with a newline:\r\nHello world!", 103 NULL); 104 if (success == -1) { 105 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error Presenting MessageBox: %s\n", SDL_GetError()); 106 quit(1); 107 } 108 109 /* Google says this is Traditional Chinese for "beef with broccoli" */ 110 success = SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, 111 "UTF-8 Simple MessageBox", 112 "Unicode text: '牛肉西蘭花' ...", 113 NULL); 114 if (success == -1) { 115 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error Presenting MessageBox: %s\n", SDL_GetError()); 116 quit(1); 117 } 118 119 /* Google says this is Traditional Chinese for "beef with broccoli" */ 120 success = SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, 121 "UTF-8 Simple MessageBox", 122 "Unicode text and newline:\r\n'牛肉西蘭花'\n'牛肉西蘭花'", 123 NULL); 124 if (success == -1) { 125 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error Presenting MessageBox: %s\n", SDL_GetError()); 126 quit(1); 127 } 128 129 /* Google says this is Traditional Chinese for "beef with broccoli" */ 130 success = SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, 131 "牛肉西蘭花", 132 "Unicode text in the title.", 133 NULL); 134 if (success == -1) { 135 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error Presenting MessageBox: %s\n", SDL_GetError()); 136 quit(1); 137 } 138 139 button_messagebox(NULL); 140 141 /* Test showing a message box from a background thread. 142 143 On Mac OS X, the video subsystem needs to be initialized for this 144 to work, since the message box events are dispatched by the Cocoa 145 subsystem on the main thread. 146 */ 147 if (SDL_Init(SDL_INIT_VIDEO) < 0) { 148 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL video subsystem: %s\n", SDL_GetError()); 149 return (1); 150 } 151 { 152 int status = 0; 153 SDL_Event event; 154 intptr_t eventNumber = SDL_RegisterEvents(1); 155 SDL_Thread* thread = SDL_CreateThread(&button_messagebox, "MessageBox", (void*)eventNumber); 156 157 while (SDL_WaitEvent(&event)) 158 { 159 if (event.type == eventNumber) { 160 break; 161 } 162 } 163 164 SDL_WaitThread(thread, &status); 165 166 SDL_Log("Message box thread return %i\n", status); 167 } 168 169 /* Test showing a message box with a parent window */ 170 { 171 SDL_Event event; 172 SDL_Window *window = SDL_CreateWindow("Test", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 640, 480, 0); 173 174 success = SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, 175 "Simple MessageBox", 176 "This is a simple error MessageBox with a parent window", 177 window); 178 if (success == -1) { 179 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error Presenting MessageBox: %s\n", SDL_GetError()); 180 quit(1); 181 } 182 183 while (SDL_WaitEvent(&event)) 184 { 185 if (event.type == SDL_QUIT || event.type == SDL_KEYUP) { 186 break; 187 } 188 } 189 } 190 191 SDL_Quit(); 192 return (0); 193} 194[FILE END](C) 2025 0x4248 (C) 2025 4248 Media and 4248 Systems, All part of 0x4248 See LICENCE files for more information. 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