Re: [gtk-list] Re: opening modal windows from the "button-press-event"handler forclist

[Vlad Harchev <hvv hippo ru>]

On Tue, 15 Feb 2000 xiang@mei.com.cn wrote:

> I will modify the error_message() like this:
> 
> void error_message(const char* title,const char* text)
> {
>     GtkWidget *dialog;
>     GtkWidget *button,*hb,*l;
>     char* str;
> 
>     dialog = gtk_dialog_new();
>     gtk_window_set_title (GTK_WINDOW (dialog), title);    
> 
>     l = gtk_label_new(text);
> 
>     hb = gtk_hbox_new(1,0);
>     gtk_box_pack_start (GTK_BOX (hb), l, TRUE, TRUE, 43);    
>     gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox),
> 		hb, TRUE, TRUE, 0);			    
>     button = gtk_button_new_with_label("OK");
> // ???
>     gtk_signal_connect_object(GTK_OBJECT(button),"clicked",
> 	GTK_SIGNAL_FUNC(gtk_main_quit),GTK_OBJECT(dialog));
> 
> /**********************************************************************
>  This signal connect is wrong, it should be like this:
>  gtk_signal_connect_object(GTK_OBJECT(button), "clicked",
> 	GTK_SIGNAL_FUNC(gtk_widget_destroy), GTK_OBJECT(dialog));
> ***********************************************************************/
> 
>     gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->action_area),
>                             button, TRUE, TRUE, 0);
>     gtk_window_set_modal (GTK_WINDOW(dialog),TRUE);
>     GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
>     gtk_widget_grab_default (button);
> 	        
>     gtk_widget_show_all(dialog);
> // ???
>     gtk_main();    
>     gtk_window_set_modal (GTK_WINDOW(dialog),0);
>     gtk_widget_destroy(dialog);
> 
> /*************************************************************************
>   There is no need to do these, just delete them. because
> when you click button OK, the signal "clicked" connected to
> it will destroy the dialog.
> *************************************************************************/
> };

 The version of this function you propose won't show anything (ie empty
window) when called from that signal handler, and the window won't accept any
other messages at all, though X server won't be "locked". But of course it 
works fine when called from somewhere else). 

 Best regards,
  -Vlad