gtk2/demos/gtk-demo/panes.c
Matthias Clasen 1204a850f3 Formatting cleanups
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.
2011-09-01 23:56:58 -04:00

206 lines
6.3 KiB
C

/* Paned Widgets
*
* The GtkHPaned and GtkVPaned Widgets divide their content
* area into two panes with a divider in between that the
* user can adjust. A separate child is placed into each
* pane.
*
* There are a number of options that can be set for each pane.
* This test contains both a horizontal (HPaned) and a vertical
* (VPaned) widget, and allows you to adjust the options for
* each side of each widget.
*/
#include <gtk/gtk.h>
void
toggle_resize (GtkWidget *widget,
GtkWidget *child)
{
GtkWidget *parent;
GtkPaned *paned;
gboolean is_child1;
gboolean resize, shrink;
parent = gtk_widget_get_parent (child);
paned = GTK_PANED (parent);
is_child1 = (child == gtk_paned_get_child1 (paned));
gtk_container_child_get (GTK_CONTAINER (paned), child,
"resize", &resize,
"shrink", &shrink,
NULL);
g_object_ref (child);
gtk_container_remove (GTK_CONTAINER (parent), child);
if (is_child1)
gtk_paned_pack1 (paned, child, !resize, shrink);
else
gtk_paned_pack2 (paned, child, !resize, shrink);
g_object_unref (child);
}
void
toggle_shrink (GtkWidget *widget,
GtkWidget *child)
{
GtkWidget *parent;
GtkPaned *paned;
gboolean is_child1;
gboolean resize, shrink;
parent = gtk_widget_get_parent (child);
paned = GTK_PANED (parent);
is_child1 = (child == gtk_paned_get_child1 (paned));
gtk_container_child_get (GTK_CONTAINER (paned), child,
"resize", &resize,
"shrink", &shrink,
NULL);
g_object_ref (child);
gtk_container_remove (GTK_CONTAINER (parent), child);
if (is_child1)
gtk_paned_pack1 (paned, child, resize, !shrink);
else
gtk_paned_pack2 (paned, child, resize, !shrink);
g_object_unref (child);
}
GtkWidget *
create_pane_options (GtkPaned *paned,
const gchar *frame_label,
const gchar *label1,
const gchar *label2)
{
GtkWidget *child1, *child2;
GtkWidget *frame;
GtkWidget *table;
GtkWidget *label;
GtkWidget *check_button;
child1 = gtk_paned_get_child1 (paned);
child2 = gtk_paned_get_child2 (paned);
frame = gtk_frame_new (frame_label);
gtk_container_set_border_width (GTK_CONTAINER (frame), 4);
table = gtk_grid_new ();
gtk_container_add (GTK_CONTAINER (frame), table);
label = gtk_label_new (label1);
gtk_grid_attach (GTK_GRID (table), label, 0, 0, 1, 1);
check_button = gtk_check_button_new_with_mnemonic ("_Resize");
gtk_grid_attach (GTK_GRID (table), check_button, 0, 1, 1, 1);
g_signal_connect (check_button, "toggled",
G_CALLBACK (toggle_resize), child1);
check_button = gtk_check_button_new_with_mnemonic ("_Shrink");
gtk_grid_attach (GTK_GRID (table), check_button, 0, 2, 1, 1);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check_button), TRUE);
g_signal_connect (check_button, "toggled",
G_CALLBACK (toggle_shrink), child1);
label = gtk_label_new (label2);
gtk_grid_attach (GTK_GRID (table), label, 1, 0, 1, 1);
check_button = gtk_check_button_new_with_mnemonic ("_Resize");
gtk_grid_attach (GTK_GRID (table), check_button, 1, 1, 1, 1);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check_button), TRUE);
g_signal_connect (check_button, "toggled",
G_CALLBACK (toggle_resize), child2);
check_button = gtk_check_button_new_with_mnemonic ("_Shrink");
gtk_grid_attach (GTK_GRID (table), check_button, 1, 2, 1, 1);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check_button), TRUE);
g_signal_connect (check_button, "toggled",
G_CALLBACK (toggle_shrink), child2);
return frame;
}
GtkWidget *
do_panes (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
GtkWidget *frame;
GtkWidget *hpaned;
GtkWidget *vpaned;
GtkWidget *button;
GtkWidget *vbox;
if (!window)
{
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_screen (GTK_WINDOW (window),
gtk_widget_get_screen (do_widget));
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed), &window);
gtk_window_set_title (GTK_WINDOW (window), "Panes");
gtk_container_set_border_width (GTK_CONTAINER (window), 0);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add (GTK_CONTAINER (window), vbox);
vpaned = gtk_paned_new (GTK_ORIENTATION_VERTICAL);
gtk_box_pack_start (GTK_BOX (vbox), vpaned, TRUE, TRUE, 0);
gtk_container_set_border_width (GTK_CONTAINER(vpaned), 5);
hpaned = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
gtk_paned_add1 (GTK_PANED (vpaned), hpaned);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME(frame), GTK_SHADOW_IN);
gtk_widget_set_size_request (frame, 60, 60);
gtk_paned_add1 (GTK_PANED (hpaned), frame);
button = gtk_button_new_with_mnemonic ("_Hi there");
gtk_container_add (GTK_CONTAINER(frame), button);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME(frame), GTK_SHADOW_IN);
gtk_widget_set_size_request (frame, 80, 60);
gtk_paned_add2 (GTK_PANED (hpaned), frame);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME(frame), GTK_SHADOW_IN);
gtk_widget_set_size_request (frame, 60, 80);
gtk_paned_add2 (GTK_PANED (vpaned), frame);
/* Now create toggle buttons to control sizing */
gtk_box_pack_start (GTK_BOX (vbox),
create_pane_options (GTK_PANED (hpaned),
"Horizontal",
"Left",
"Right"),
FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox),
create_pane_options (GTK_PANED (vpaned),
"Vertical",
"Top",
"Bottom"),
FALSE, FALSE, 0);
gtk_widget_show_all (vbox);
}
if (!gtk_widget_get_visible (window))
{
gtk_widget_show (window);
}
else
{
gtk_widget_destroy (window);
window = NULL;
}
return window;
}