This message explains my question and fix my problem :-) http://www.mail-archive.com/gtk-app-devel-list@xxxxxxxxx/msg11790.html Since I did not found this behavior on Linux, so I think the Win32 port of Gtk+ may still has this "bug". KC On Sat, Aug 30, 2008 at 2:08 PM, Kuang-Chun Cheng <kcc1967@xxxxxxxxx> wrote: >>> 2008/8/28 Tor Lillqvist <tml@xxxxxx>: >>>> Have the idle callback function return FALSE... Schedule it again with >>>> g_idle_add() whenever you have something new that needs to be done in >>>> the GUI thread. > > First, thanks for you guys here, I had successfully porting my Gtk2 app. from > Linux to Win32 :-) However, I found a behavior of Linux and Win32 is > quite different ... > Let me explain what I'm doing: > > hello button ---> disable itself and create a thread to run non-gui job. > ---> after non-gui job done, use g_add_idle() to enable hello > button again. > > What's odd is when I click on the button, it works OK at the first time. > But when I click on it again ... it stop receive my mouse event !!!! > > If I move my mouse away from the button then move it back and click on it again, > it works again. > > I did not see this strange behavior under Linux. I can keep my mouse on top of > the button, just click on it again and again ... all clicks work perfectly. > > The source code is here (hopefully, not too long), could someone tell me what's > wrong in my code ?? > My Win32 platform is WinXP/SP3, and I'm using gtk+-bundle-2.12.11.zip which I > downloaded from http://www.gtk.org/download-windows.html. > > Thanks a lot > KC > > ------------------------------------------------------------------ > /* button2.c */ > > #include <stdlib.h> > #include <gtk/gtk.h> > > gpointer non_gui_worker(gpointer data); > gboolean non_gui_idle(gpointer data); > void gui_cb_clicked(GtkWidget *widget, gpointer data); > > gboolean non_gui_idle(gpointer data) > { > GtkWidget *widget = data; > gtk_widget_set_sensitive(widget, TRUE); > return FALSE; > } > > gpointer non_gui_worker(gpointer data) > { > printf("DO SOMETHING IN NON-GUI THREAD ...\n"); > g_idle_add(non_gui_idle, data); > return NULL; > } > > void gui_cb_clicked(GtkWidget *widget, gpointer data) > { > gtk_widget_set_sensitive(widget, FALSE); > g_thread_create(non_gui_worker, widget, FALSE, NULL); > } > > int main (int argc, char *argv[]) > { > GtkWidget *win = NULL; > GtkWidget *button = NULL; > > g_thread_init(NULL); > gdk_threads_init(); > gtk_init(&argc, &argv); > > gdk_threads_enter(); > win = gtk_window_new(GTK_WINDOW_TOPLEVEL); > gtk_container_set_border_width(GTK_CONTAINER(win), 10); > > g_signal_connect(G_OBJECT(win), "destroy", > G_CALLBACK(gtk_main_quit), NULL); > > gtk_widget_realize(win); > button = gtk_button_new_with_label("Hello Gtk+-2.0"); > > g_signal_connect(G_OBJECT(button), "clicked", > G_CALLBACK(gui_cb_clicked), (gpointer) "Data Passed"); > > gtk_container_add(GTK_CONTAINER(win), button); > > gtk_widget_show_all(win); > gtk_main(); > gdk_threads_leave(); > exit(0); > } > _______________________________________________ gtk-list mailing list gtk-list@xxxxxxxxx http://mail.gnome.org/mailman/listinfo/gtk-list
