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>File Selections</A
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><P
>The file selection widget is a quick and simple way to display a File
dialog box. It comes complete with Ok, Cancel, and Help buttons, a
great way to cut down on programming time.</P
><P
>To create a new file selection box use:</P
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><PRE
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>GtkWidget *gtk_file_selection_new( const gchar *title );</PRE
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><P
>To set the filename, for example to bring up a specific directory, or
give a default filename, use this function:</P
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><PRE
CLASS="PROGRAMLISTING"
>void gtk_file_selection_set_filename( GtkFileSelection *filesel,
                                      const gchar      *filename );</PRE
></TD
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><P
>To grab the text that the user has entered or clicked on, use this 
function:</P
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>gchar *gtk_file_selection_get_filename( GtkFileSelection *filesel );</PRE
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><P
>There are also pointers to the widgets contained within the file 
selection widget. These are:</P
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><PRE
CLASS="PROGRAMLISTING"
>  dir_list
  file_list
  selection_entry
  selection_text
  main_vbox
  ok_button
  cancel_button
  help_button</PRE
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><P
>Most likely you will want to use the ok_button, cancel_button, and
help_button pointers in signaling their use.</P
><P
>Included here is an example stolen from <TT
CLASS="FILENAME"
>testgtk.c</TT
>,
modified to run on its own. As you will see, there is nothing much to creating a file
selection widget. While in this example the Help button appears on the
screen, it does nothing as there is not a signal attached to it.</P
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>&#13;#include &#60;gtk/gtk.h&#62;

/* Get the selected filename and print it to the console */
static 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;
    
    gtk_init (&#38;argc, &#38;argv);
    
    /* Create a new file selection widget */
    filew = gtk_file_selection_new ("File selection");
    
    g_signal_connect (filew, "destroy",
	              G_CALLBACK (gtk_main_quit), NULL);
    /* Connect the ok_button to file_ok_sel function */
    g_signal_connect (GTK_FILE_SELECTION (filew)-&#62;ok_button,
		      "clicked", G_CALLBACK (file_ok_sel), (gpointer) filew);
    
    /* Connect the cancel_button to destroy the widget */
    g_signal_connect_swapped (GTK_FILE_SELECTION (filew)-&#62;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);
    gtk_main ();
    return 0;
}</PRE
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source-git / gtk2

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