This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
/
testmessage.c
183 lines (155 loc) · 5.02 KB
1
/*
2
Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
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 <signal.h>
#include "SDL.h"
#include "SDL_thread.h"
static int alive = 0;
/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
static void
quit(int rc)
{
SDL_Quit();
exit(rc);
}
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
static int
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,
buttons,
NULL // Default color scheme
};
int button = -1;
int success = 0;
if (eventNumber) {
data.message = "This is a custom messagebox from a background thread.";
}
63
success = SDL_ShowMessageBox(&data, &button);
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
if (success == -1) {
printf("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);
}
}
printf("Pressed button: %d, %s\n", button, button == 1 ? "Cancel" : "OK");
if (eventNumber) {
SDL_UserEvent event;
event.type = (intptr_t)eventNumber;
SDL_PushEvent((SDL_Event*)&event);
}
return 0;
}
86
87
88
89
90
91
92
93
94
95
int
main(int argc, char *argv[])
{
int success;
success = SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
"Simple MessageBox",
"This is a simple error MessageBox",
NULL);
if (success == -1) {
96
97
98
99
printf("Error Presenting MessageBox: %s\n", SDL_GetError());
quit(1);
}
100
101
102
103
104
105
106
107
108
success = SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
"Simple MessageBox",
"This is a simple MessageBox with a newline:\r\nHello world!",
NULL);
if (success == -1) {
printf("Error Presenting MessageBox: %s\n", SDL_GetError());
quit(1);
}
109
110
111
112
113
114
/* 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) {
115
116
117
118
119
120
121
122
123
124
printf("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) {
125
126
127
128
printf("Error Presenting MessageBox: %s\n", SDL_GetError());
quit(1);
}
129
130
button_messagebox(NULL);
131
132
133
134
135
136
137
138
139
140
/* 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) {
fprintf(stderr, "Couldn't initialize SDL video subsystem: %s\n", SDL_GetError());
return (1);
}
141
{
142
143
144
145
146
147
148
149
150
151
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;
}
152
}
153
154
155
156
SDL_WaitThread(thread, &status);
printf("Message box thread return %i\n", status);
157
}
158
159
160
161
/* Test showing a message box with a parent window */
{
SDL_Event event;
162
SDL_Window *window = SDL_CreateWindow("Test", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 640, 480, 0);
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
success = SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
"Simple MessageBox",
"This is a simple error MessageBox with a parent window",
window);
if (success == -1) {
printf("Error Presenting MessageBox: %s\n", SDL_GetError());
quit(1);
}
while (SDL_WaitEvent(&event))
{
if (event.type == SDL_QUIT || event.type == SDL_KEYUP) {
break;
}
}
}
180
181
182
183
SDL_Quit();
return (0);
}