106 lines
2.0 KiB
C
106 lines
2.0 KiB
C
// 6 april 2015
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#include "uipriv_unix.h"
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uiInitOptions options;
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const char *uiInit(uiInitOptions *o)
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{
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GError *err = NULL;
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const char *msg;
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options = *o;
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if (gtk_init_with_args(NULL, NULL, NULL, NULL, NULL, &err) == FALSE) {
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msg = g_strdup(err->message);
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g_error_free(err);
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return msg;
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}
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initAlloc();
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return NULL;
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}
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void uiUninit(void)
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{
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uninitMenus();
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uninitAlloc();
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}
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void uiFreeInitError(const char *err)
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{
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g_free((gpointer) err);
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}
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static gboolean (*iteration)(gboolean) = NULL;
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void uiMain(void)
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{
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iteration = gtk_main_iteration_do;
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gtk_main();
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}
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static gboolean stepsQuit = FALSE;
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// the only difference is we ignore the return value from gtk_main_iteration_do(), since it will always be TRUE if gtk_main() was never called
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// gtk_main_iteration_do() will still run the main loop regardless
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static gboolean stepsIteration(gboolean block)
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{
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gtk_main_iteration_do(block);
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return stepsQuit;
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}
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void uiMainSteps(void)
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{
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iteration = stepsIteration;
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}
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int uiMainStep(int wait)
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{
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gboolean block;
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block = FALSE;
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if (wait)
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block = TRUE;
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return (*iteration)(block) == FALSE;
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}
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// gtk_main_quit() may run immediately, or it may wait for other pending events; "it depends" (thanks mclasen in irc.gimp.net/#gtk+)
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// PostQuitMessage() on Windows always waits, so we must do so too
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// we'll do it by using an idle callback
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static gboolean quit(gpointer data)
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{
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if (iteration == stepsIteration)
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stepsQuit = TRUE;
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// TODO run a gtk_main() here just to do the cleanup steps of syncing the clipboard and other stuff gtk_main() does before it returns
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else
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gtk_main_quit();
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return FALSE;
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}
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void uiQuit(void)
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{
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gdk_threads_add_idle(quit, NULL);
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}
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struct queued {
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void (*f)(void *);
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void *data;
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};
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static gboolean doqueued(gpointer data)
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{
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struct queued *q = (struct queued *) data;
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(*(q->f))(q->data);
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uiFree(q);
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return FALSE;
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}
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void uiQueueMain(void (*f)(void *data), void *data)
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{
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struct queued *q;
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q = uiNew(struct queued);
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q->f = f;
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q->data = data;
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gdk_threads_add_idle(doqueued, q);
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}
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