testmessage.c
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/*
Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely.
*/
/* Simple test of the SDL MessageBox API */
#include <stdio.h>
#include <stdlib.h>
#include "SDL.h"
/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
static void
quit(int rc)
{
SDL_Quit();
exit(rc);
}
static int SDLCALL
button_messagebox(void *eventNumber)
{
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;
}
int
main(int argc, char *argv[])
{
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);
}
/* 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);
}
SDL_MessageBoxData::message
const char * message
Definition: SDL_messagebox.h:97
main
int main(int argc, char *argv[])
Definition: testmessage.c:84
SDL_WINDOWPOS_CENTERED
#define SDL_WINDOWPOS_CENTERED
Definition: SDL_video.h:139
SDL_GetError
#define SDL_GetError
Definition: SDL_dynapi_overrides.h:113
button
SDL_Texture * button
Definition: testgamecontroller.c:67
button_messagebox
static int button_messagebox(void *eventNumber)
Definition: testmessage.c:29
SDL_QUIT
Definition: SDL_events.h:60
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
SDL_CreateWindow
#define SDL_CreateWindow
Definition: SDL_dynapi_overrides.h:514
SDL_MESSAGEBOX_INFORMATION
Definition: SDL_messagebox.h:41
SDL_MessageBoxButtonData
Individual button data.
Definition: SDL_messagebox.h:56
SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT
Definition: SDL_messagebox.h:50
SDL_LogError
#define SDL_LogError
Definition: SDL_dynapi_overrides.h:36
SDL_RegisterEvents
#define SDL_RegisterEvents
Definition: SDL_dynapi_overrides.h:132
SDL_UserEvent
A user-defined event type (event.user.*)
Definition: SDL_events.h:495
SDL_Log
#define SDL_Log
Definition: SDL_dynapi_overrides.h:31
SDL_ShowSimpleMessageBox
#define SDL_ShowSimpleMessageBox
Definition: SDL_dynapi_overrides.h:244
event
struct _cl_event * event
Definition: SDL_opengl_glext.h:2649
SDL_KEYUP
Definition: SDL_events.h:94
SDL_Quit
#define SDL_Quit
Definition: SDL_dynapi_overrides.h:58
SDL_PushEvent
#define SDL_PushEvent
Definition: SDL_dynapi_overrides.h:125
SDL_LOG_PRIORITY_INFO
Definition: SDL_log.h:106
SDL_MessageBoxData::buttons
const SDL_MessageBoxButtonData * buttons
Definition: SDL_messagebox.h:100
SDL_MessageBoxData
MessageBox structure containing title, text, window, etc.
Definition: SDL_messagebox.h:92
SDL_CreateThread
#define SDL_CreateThread
Definition: SDL_dynapi_overrides.h:41
SDL_ShowMessageBox
#define SDL_ShowMessageBox
Definition: SDL_dynapi_overrides.h:243
SDL_LogSetPriority
#define SDL_LogSetPriority
Definition: SDL_dynapi_overrides.h:236
NULL
#define NULL
Definition: begin_code.h:164
SDL_WaitEvent
#define SDL_WaitEvent
Definition: SDL_dynapi_overrides.h:123
window
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:73
SDL_Thread
Definition: SDL_thread_c.h:54
SDL_Init
#define SDL_Init
Definition: SDL_dynapi_overrides.h:54
SDL_Event
General event structure.
Definition: SDL_events.h:525
quit
static void quit(int rc)
Definition: testmessage.c:22
SDL_MESSAGEBOX_ERROR
Definition: SDL_messagebox.h:39
SDL.h
SDLCALL
#define SDLCALL
Definition: SDL_internal.h:45
SDL_LOG_CATEGORY_APPLICATION
Definition: SDL_log.h:66
SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT
Definition: SDL_messagebox.h:49
SDL_INIT_VIDEO
#define SDL_INIT_VIDEO
Definition: SDL.h:78
SDL_Event::type
Uint32 type
Definition: SDL_events.h:527
SDL_WaitThread
#define SDL_WaitThread
Definition: SDL_dynapi_overrides.h:478