While we normally try to avoid whitespace fixes, the gtk-demo code is shown as exemplary, so it should be in good shape, formatting-wise.
		
			
				
	
	
		
			128 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			128 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* Button Boxes
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 *
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 * The Button Box widgets are used to arrange buttons with padding.
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 */
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#include <gtk/gtk.h>
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static GtkWidget *
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create_bbox (gint  horizontal,
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             char *title,
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             gint  spacing,
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             gint  layout)
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{
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  GtkWidget *frame;
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  GtkWidget *bbox;
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  GtkWidget *button;
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  frame = gtk_frame_new (title);
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  if (horizontal)
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    bbox = gtk_button_box_new (GTK_ORIENTATION_HORIZONTAL);
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  else
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    bbox = gtk_button_box_new (GTK_ORIENTATION_VERTICAL);
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  gtk_container_set_border_width (GTK_CONTAINER (bbox), 5);
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  gtk_container_add (GTK_CONTAINER (frame), bbox);
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  gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), layout);
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  gtk_box_set_spacing (GTK_BOX (bbox), spacing);
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  button = gtk_button_new_from_stock (GTK_STOCK_OK);
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  gtk_container_add (GTK_CONTAINER (bbox), button);
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  button = gtk_button_new_from_stock (GTK_STOCK_CANCEL);
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  gtk_container_add (GTK_CONTAINER (bbox), button);
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  button = gtk_button_new_from_stock (GTK_STOCK_HELP);
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  gtk_container_add (GTK_CONTAINER (bbox), button);
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  return frame;
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}
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GtkWidget *
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do_button_box (GtkWidget *do_widget)
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{
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  static GtkWidget *window = NULL;
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  GtkWidget *main_vbox;
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  GtkWidget *vbox;
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  GtkWidget *hbox;
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  GtkWidget *frame_horz;
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  GtkWidget *frame_vert;
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  if (!window)
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  {
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    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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    gtk_window_set_screen (GTK_WINDOW (window),
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                           gtk_widget_get_screen (do_widget));
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    gtk_window_set_title (GTK_WINDOW (window), "Button Boxes");
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    g_signal_connect (window, "destroy",
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                      G_CALLBACK (gtk_widget_destroyed),
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                      &window);
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    gtk_container_set_border_width (GTK_CONTAINER (window), 10);
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    main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
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    gtk_container_add (GTK_CONTAINER (window), main_vbox);
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    frame_horz = gtk_frame_new ("Horizontal Button Boxes");
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    gtk_box_pack_start (GTK_BOX (main_vbox), frame_horz, TRUE, TRUE, 10);
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    vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
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    gtk_container_set_border_width (GTK_CONTAINER (vbox), 10);
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    gtk_container_add (GTK_CONTAINER (frame_horz), vbox);
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    gtk_box_pack_start (GTK_BOX (vbox),
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                        create_bbox (TRUE, "Spread", 40, GTK_BUTTONBOX_SPREAD),
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                        TRUE, TRUE, 0);
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    gtk_box_pack_start (GTK_BOX (vbox),
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                        create_bbox (TRUE, "Edge", 40, GTK_BUTTONBOX_EDGE),
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                        TRUE, TRUE, 5);
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    gtk_box_pack_start (GTK_BOX (vbox),
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                        create_bbox (TRUE, "Start", 40, GTK_BUTTONBOX_START),
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                        TRUE, TRUE, 5);
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    gtk_box_pack_start (GTK_BOX (vbox),
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                        create_bbox (TRUE, "End", 40, GTK_BUTTONBOX_END),
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                        TRUE, TRUE, 5);
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    frame_vert = gtk_frame_new ("Vertical Button Boxes");
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    gtk_box_pack_start (GTK_BOX (main_vbox), frame_vert, TRUE, TRUE, 10);
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    hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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    gtk_container_set_border_width (GTK_CONTAINER (hbox), 10);
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    gtk_container_add (GTK_CONTAINER (frame_vert), hbox);
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    gtk_box_pack_start (GTK_BOX (hbox),
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                        create_bbox (FALSE, "Spread", 30, GTK_BUTTONBOX_SPREAD),
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                        TRUE, TRUE, 0);
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    gtk_box_pack_start (GTK_BOX (hbox),
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                        create_bbox (FALSE, "Edge", 30, GTK_BUTTONBOX_EDGE),
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                        TRUE, TRUE, 5);
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    gtk_box_pack_start (GTK_BOX (hbox),
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                        create_bbox (FALSE, "Start", 30, GTK_BUTTONBOX_START),
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                        TRUE, TRUE, 5);
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    gtk_box_pack_start (GTK_BOX (hbox),
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                        create_bbox (FALSE, "End", 30, GTK_BUTTONBOX_END),
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                        TRUE, TRUE, 5);
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  }
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  if (!gtk_widget_get_visible (window))
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    {
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      gtk_widget_show_all (window);
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    }
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  else
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    {
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      gtk_widget_destroy (window);
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      window = NULL;
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    }
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  return window;
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}
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