Re: blocking operation

[Gustavo Joćo Alves Marques Carneiro <ee96090 fe up pt>]

  Is it a modal dialog that you want? If so, take a look at
gtk_window_set_modal and gnome_dialog_run. 

On Tue, 29 Feb 2000, Peter Wurmsdobler wrote:

> hi,
> 
> In any callback where I want to open a file selection window
> which should return a pointer to the file name I want to use
> a unique function. Therefore, once the File_Selection Widget 
> is shown, the function should block until it is released by
> an event like in the following code:
> 
> char * dialog_file_name;
> 
> void dialog_file_ok_button_clicked( void )
>     {
>     dialog_file_name = gtk_file_selection_get_filename 
>         ( GTK_FILE_SELECTION( Dialog_File_Window ) );
>     
>     gtk_widget_hide( Dialog_File_Window );
> 
>     /* unblock here */
>     }
> 
> void dialog_file_cancel_button_clicked( void )
>     {
>     gtk_widget_hide( Dialog_File_Window );
>     dialog_file_name = NULL;
>     
>     /* unblock here */
>     }
> 
> char * dialog_file_window( void ) 
>     {
>     if ( Dialog_File_Window == NULL )
>         dialog_file_create();    
> 
>     if ( dialog_file_lock < 0 )
>         {
>         dialog_error_window( "FILE_WINDOW_OCCUPIED" );
>         return NULL;
>         }
>     else
>         {
>         dialog_file_lock = -1;
>         gtk_widget_show_all( Dialog_File_Window );
>         }
>    
>     /* block here on something */
> 
>     dialog_file_lock = 0;
>     return dialog_file_name;
>     }
> 
> The solution is probably not the best, but I wanted to share
> only one object within the application and this is what I found.
> I know some blocking things should exist in gtk, but I don't
> know what I should look for.
> 
> Any hints are very much appreciated,
> peterw
> 

-- 
Gustavo J.A.M. Carneiro
[reinolinux.fe.up.pt/~ee96090]