testmessage.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include "SDL.h"

Include dependency graph for testmessage.c:

Go to the source code of this file.

Functions
static void	quit (int rc)
static int	button_messagebox (void *eventNumber)
int	main (int argc, char *argv[])

Function Documentation

button_messagebox()

static int button_messagebox ( void *  eventNumber )

static

Definition at line 29 of file testmessage.c.

{
    const SDL_MessageBoxButtonData buttons[] = {
        {
            SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT,
            0,
            "OK"
        },{
            SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT,
            1,
            "Cancel"
        },
    };
 
    SDL_MessageBoxData data = {
        SDL_MESSAGEBOX_INFORMATION,
        NULL, /* no parent window */
        "Custom MessageBox",
        "This is a custom messagebox",
        2,
        NULL,/* buttons */
        NULL /* Default color scheme */
    };
 
    int button = -1;
    int success = 0;
    data.buttons = buttons;
    if (eventNumber) {
        data.message = "This is a custom messagebox from a background thread.";
    }
 
    success = SDL_ShowMessageBox(&data, &button);
    if (success == -1) {
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error Presenting MessageBox: %s\n", SDL_GetError());
        if (eventNumber) {
            SDL_UserEvent event;
            event.type = (intptr_t)eventNumber;
            SDL_PushEvent((SDL_Event*)&event);
            return 1;
        } else {
            quit(2);
        }
    }
    SDL_Log("Pressed button: %d, %s\n", button, button == -1 ? "[closed]" : button == 1 ? "Cancel" : "OK");
 
    if (eventNumber) {
        SDL_UserEvent event;
        event.type = (intptr_t)eventNumber;
        SDL_PushEvent((SDL_Event*)&event);
    }
 
    return 0;
}

References button, NULL, quit(), SDL_GetError, SDL_Log, SDL_LOG_CATEGORY_APPLICATION, SDL_LogError, SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT, SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT, SDL_MESSAGEBOX_INFORMATION, SDL_PushEvent, and SDL_ShowMessageBox.

Referenced by main().

main()

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 84 of file testmessage.c.

{
    int success;
 
    /* Enable standard application logging */
    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
 
    success = SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
                "Simple MessageBox",
                "This is a simple error MessageBox",
                NULL);
    if (success == -1) {
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error Presenting MessageBox: %s\n", SDL_GetError());
        quit(1);
    }
 
    success = SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
                "Simple MessageBox",
                "This is a simple MessageBox with a newline:\r\nHello world!",
                NULL);
    if (success == -1) {
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error Presenting MessageBox: %s\n", SDL_GetError());
        quit(1);
    }
 
    success = SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
                NULL,
                "NULL Title",
                NULL);
    if (success == -1) {
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error Presenting MessageBox: %s\n", SDL_GetError());
        quit(1);
    }
 
    success = SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
                "NULL Message",
                NULL,
                NULL);
    if (success == -1) {
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error Presenting MessageBox: %s\n", SDL_GetError());
        quit(1);
    }
 
    /* Google says this is Traditional Chinese for "beef with broccoli" */
    success = SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
                "UTF-8 Simple MessageBox",
                "Unicode text: '牛肉西蘭花' ...",
                NULL);
    if (success == -1) {
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error Presenting MessageBox: %s\n", SDL_GetError());
        quit(1);
    }
 
    /* Google says this is Traditional Chinese for "beef with broccoli" */
    success = SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
                "UTF-8 Simple MessageBox",
                "Unicode text and newline:\r\n'牛肉西蘭花'\n'牛肉西蘭花'",
                NULL);
    if (success == -1) {
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error Presenting MessageBox: %s\n", SDL_GetError());
        quit(1);
    }
 
    /* Google says this is Traditional Chinese for "beef with broccoli" */
    success = SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
                "牛肉西蘭花",
                "Unicode text in the title.",
                NULL);
    if (success == -1) {
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error Presenting MessageBox: %s\n", SDL_GetError());
        quit(1);
    }
 
    button_messagebox(NULL);
 
    /* Test showing a message box from a background thread.
 
       On Mac OS X, the video subsystem needs to be initialized for this
       to work, since the message box events are dispatched by the Cocoa
       subsystem on the main thread.
     */
    if (SDL_Init(SDL_INIT_VIDEO) < 0) {
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL video subsystem: %s\n", SDL_GetError());
        return (1);
    }
    {
        int status = 0;
        SDL_Event event;
        intptr_t eventNumber = SDL_RegisterEvents(1);
        SDL_Thread* thread = SDL_CreateThread(&button_messagebox, "MessageBox", (void*)eventNumber);
 
        while (SDL_WaitEvent(&event))
        {
            if (event.type == eventNumber) {
                break;
            }
        }
 
        SDL_WaitThread(thread, &status);
 
        SDL_Log("Message box thread return %i\n", status);
    }
 
    /* Test showing a message box with a parent window */
    {
        SDL_Event event;
        SDL_Window *window = SDL_CreateWindow("Test", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 640, 480, 0);
 
        success = SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
                    "Simple MessageBox",
                    "This is a simple error MessageBox with a parent window",
                    window);
        if (success == -1) {
            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error Presenting MessageBox: %s\n", SDL_GetError());
            quit(1);
        }
 
        while (SDL_WaitEvent(&event))
        {
            if (event.type == SDL_QUIT || event.type == SDL_KEYUP) {
                break;
            }
        }
    }
 
    SDL_Quit();
    return (0);
}

References button_messagebox(), NULL, quit(), SDL_CreateThread, SDL_CreateWindow, SDL_GetError, SDL_Init, SDL_INIT_VIDEO, SDL_KEYUP, SDL_Log, SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO, SDL_LogError, SDL_LogSetPriority, SDL_MESSAGEBOX_ERROR, SDL_QUIT, SDL_Quit, SDL_RegisterEvents, SDL_ShowSimpleMessageBox, SDL_WaitEvent, SDL_WaitThread, and SDL_WINDOWPOS_CENTERED.

quit()

static void quit ( int  rc )

static

Definition at line 22 of file testmessage.c.

{
    SDL_Quit();
    exit(rc);
}

References SDL_Quit.

Referenced by button_messagebox(), and main().