Почему в многопотоковой программе на gtk (gdk_threads_init, gdk_threads_leave, ...) не могу вызвать многих диалогов, например, GtkFileSelection. Он просто не прорисовывается и висит вся программа.
Такой код:
#include <gtk/gtk.h>
/* Get the selected filename and print it to the console */ void file_ok_sel( GtkWidget *w, GtkFileSelection *fs ) { g_print ("%s\n", gtk_file_selection_get_filename (GTK_FILE_SELECTION (fs))); }
int main( int argc, char *argv[] ) { GtkWidget *filew; g_thread_init (NULL); gdk_threads_init (); gtk_init (&argc, &argv); /* Create a new file selection widget */ filew = gtk_file_selection_new ("File selection"); g_signal_connect (G_OBJECT (filew), "destroy", G_CALLBACK (gtk_main_quit), NULL); /* Connect the ok_button to file_ok_sel function */ g_signal_connect (G_OBJECT (GTK_FILE_SELECTION (filew)->ok_button), "clicked", G_CALLBACK (file_ok_sel), filew); /* Connect the cancel_button to destroy the widget */ g_signal_connect_swapped (G_OBJECT (GTK_FILE_SELECTION (filew)->cancel_button), "clicked", G_CALLBACK (gtk_widget_destroy), filew); /* Lets set the filename, as if this were a save dialog, and we are giving a default filename */ gtk_file_selection_set_filename (GTK_FILE_SELECTION(filew), "penguin.png"); gtk_widget_show(filew); gdk_threads_enter (); gtk_main (); gdk_threads_leave (); return 0; }
