This is the attachment /*------------------------------------------------------------------------- * Filename: gtk-test.c * Version: 0.2 * Author: Alan Layec <alan.la...@cermics.enpc.fr> * Description: GTK+ gtk_file_chooser_dialog_new example * Created at: Thu Sep 13 16:14:32 2012 * Modified by: * Modified at: *-----------------------------------------------------------------------*/ /* * Compile with: * * gcc -g -Wall -o gtk-test gtk-test.c `pkg-config gtk+-2.0 --cflags --libs` * */
#include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <time.h> #include <gtk/gtk.h> /* function to return in ms time elapsed betweean two time measurement. * found @ * http://stackoverflow.com/questions/361363/how-to-measure-time-in- milliseconds-using-ansi-c */ double timespecDiff(struct timespec *timeA_p, struct timespec *timeB_p) { return (double) (((timeA_p->tv_sec * 1000000000) + timeA_p->tv_nsec) - ((timeB_p->tv_sec * 1000000000) + timeB_p->tv_nsec))/1e6; } /* callback for g_timeout_add */ gint timeout_pause(void *data) { /* we leave the gtk main loop at * level 0 in the callback */ gtk_main_quit(); return TRUE; } /* quit_enter_elapsed : function which add a timeout source to the gtk main * event loop, run it and display time elapsed in ms between the call of * gtk_main and gtk_main_quit */ void enter_quit_elapsed(void) { guint tid; int delay=5; /* in ms */ struct timespec start, end; double elapsed; int i; for (i=0;i<30;i++) /* do 10 iterations */ { /* add a timeout source to gtk main context */ tid=g_timeout_add(delay,(GSourceFunc) timeout_pause, NULL); /* first time measurement*/ clock_gettime(CLOCK_MONOTONIC, &start); /* running the gtk main loop * the timeout source will quit/stop the gtk event main loop * after the delay */ gtk_main(); /* secong time measurement */ clock_gettime(CLOCK_MONOTONIC, &end); /* remove timeout source */ g_source_remove (tid); /* compute and print time elapsed between gtk_main/gtk_main_quit */ elapsed=timespecDiff(&end, &start); fprintf(stdout,"iter %d - " "gtk_main_level : %d - " "elapsed time : %f ms\n", \ i,gtk_main_level(),elapsed); } } /* main */ int main(int argc, char *argv[]) { GtkWidget *dialog; /* gtk_init */ gtk_init(&argc, &argv); /* first test before the call of gtk_file_chooser_dialog_new */ fprintf(stdout,"Test before the call of gtk_file_chooser_dialog_new\n"); enter_quit_elapsed(); /* set a gtk_file_chooser_dialog_new dialog box */ dialog = gtk_file_chooser_dialog_new ("title", NULL, GTK_FILE_CHOOSER_ACTION_OPEN, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, NULL); /* here we show the dialog and we wait tht the user close the window * but in fact this is not needed for the purpose of the test * -only the first call of gtk_file_chooser_dialog_new is needed- */ gtk_widget_show_all (dialog); gtk_dialog_run (GTK_DIALOG (dialog)); gtk_widget_destroy (dialog); /* second test after the call of gtk_file_chooser_dialog_new */ fprintf(stdout,"Test after the call of gtk_file_chooser_dialog_new\n"); enter_quit_elapsed(); exit(0); } _______________________________________________ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
