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Make Cocoa_ShowMessageBox work in background threads.

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This commit is contained in:
Jørgen P. Tjernø 2013-04-22 18:14:32 -07:00
parent be8f97cb6a
commit c7fb60a46b
2 changed files with 115 additions and 34 deletions
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101
test/testmessage.c
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@ -29,13 +29,67 @@ quit(int rc)
exit(rc);
}
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.";
}
success =SDL_ShowMessageBox(&data, &button);
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;
}
int
main(int argc, char *argv[])
{
int success;
/* Load the SDL library */
if (SDL_Init(0) < 0) {
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
return (1);
}
@ -78,36 +132,27 @@ main(int argc, char *argv[])
quit(1);
}
button_messagebox(NULL);
/* Technically this isn't a supported operation for the API, but it doesn't
* hurt for it to work.
*/
{
const SDL_MessageBoxButtonData buttons[] = {
{
SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT,
0,
"OK"
},{
SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT,
1,
"Cancel"
},
};
int status = 0;
SDL_Event event;
intptr_t eventNumber = SDL_RegisterEvents(1);
SDL_Thread* thread = SDL_CreateThread(&button_messagebox, "MessageBox", (void*)eventNumber);
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;
success = SDL_ShowMessageBox(&data, &button);
if (success == -1) {
printf("Error Presenting MessageBox: %s\n", SDL_GetError());
quit(2);
while (SDL_WaitEvent(&event))
{
if (event.type == eventNumber) {
break;
}
}
printf("Pressed button: %d, %s\n", button, button == 1 ? "Cancel" : "OK");
SDL_WaitThread(thread, &status);
printf("Message box thread return %i\n", status);
}
SDL_Quit();