[gtk+] Add GtkStack
- From: Matthias Clasen <matthiasc src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk+] Add GtkStack
- Date: Mon, 22 Apr 2013 01:51:25 +0000 (UTC)
commit 2e39c4bab8c90f8b36496cb034958738098c7099
Author: Matthias Clasen <mclasen redhat com>
Date: Sun Apr 21 07:51:14 2013 -0400
Add GtkStack
Add separate GtkStack and GtkStackSwitcher widgets that are an
alternative to GtkNotebook. Additionally, GtkStack supports
animated transitions when changing pages.
These widgets were initially developed in libgd.
gtk/Makefile.am | 4 +
gtk/gtk.h | 2 +
gtk/gtkstack.c | 1417 ++++++++++++++++++++++++++++++++++++++++++++++++
gtk/gtkstack.h | 85 +++
gtk/gtkstackswitcher.c | 413 ++++++++++++++
gtk/gtkstackswitcher.h | 65 +++
tests/Makefile.am | 6 +-
tests/teststack.c | 249 +++++++++
8 files changed, 2240 insertions(+), 1 deletion(-)
---
diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index 9df87a0..3718d47 100644
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -331,6 +331,8 @@ gtk_public_h_sources = \
gtksocket.h \
gtkspinbutton.h \
gtkspinner.h \
+ gtkstack.h \
+ gtkstackswitcher.h \
gtkstatusbar.h \
gtkstatusicon.h \
gtkstock.h \
@@ -830,6 +832,8 @@ gtk_base_c_sources = \
gtkshow.c \
gtkspinbutton.c \
gtkspinner.c \
+ gtkstack.c \
+ gtkstackswitcher.c \
gtkstatusbar.c \
gtkstatusicon.c \
gtkstock.c \
diff --git a/gtk/gtk.h b/gtk/gtk.h
index 61d4107..fd8b7d3 100644
--- a/gtk/gtk.h
+++ b/gtk/gtk.h
@@ -179,6 +179,8 @@
#include <gtk/gtksizerequest.h>
#include <gtk/gtkspinbutton.h>
#include <gtk/gtkspinner.h>
+#include <gtk/gtkstack.h>
+#include <gtk/gtkstackswitcher.h>
#include <gtk/gtkstatusbar.h>
#include <gtk/gtkstatusicon.h>
#include <gtk/gtkstock.h>
diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c
new file mode 100644
index 0000000..14a4981
--- /dev/null
+++ b/gtk/gtkstack.c
@@ -0,0 +1,1417 @@
+/*
+ * Copyright (c) 2013 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Author: Alexander Larsson <alexl redhat com>
+ *
+ */
+
+#include "config.h"
+
+#include <gtk/gtk.h>
+#include "gtkstack.h"
+#include "gtkprivate.h"
+#include "gtkintl.h"
+#include <math.h>
+#include <string.h>
+
+/* TODO:
+ * more transition types (slides)
+ * filter events out events to the last_child widget during transitions
+ */
+
+enum {
+ PROP_0,
+ PROP_HOMOGENEOUS,
+ PROP_VISIBLE_CHILD,
+ PROP_VISIBLE_CHILD_NAME,
+ PROP_TRANSITION_DURATION,
+ PROP_TRANSITION_TYPE
+};
+
+enum
+{
+ CHILD_PROP_0,
+ CHILD_PROP_NAME,
+ CHILD_PROP_TITLE,
+ CHILD_PROP_ICON_NAME,
+ CHILD_PROP_POSITION
+};
+
+typedef struct _GtkStackChildInfo GtkStackChildInfo;
+
+struct _GtkStackChildInfo {
+ GtkWidget *widget;
+ gchar *name;
+ gchar *title;
+ gchar *icon_name;
+};
+
+struct _GtkStackPrivate {
+ GList *children;
+
+ GdkWindow* bin_window;
+ GdkWindow* view_window;
+
+ GtkStackChildInfo *visible_child;
+
+ gboolean homogeneous;
+
+ GtkStackTransitionType transition_type;
+ gint transition_duration;
+
+ GtkStackChildInfo *last_visible_child;
+ cairo_surface_t *last_visible_surface;
+ GtkAllocation last_visible_surface_allocation;
+ gdouble transition_pos;
+
+ guint tick_id;
+ gint64 start_time;
+ gint64 end_time;
+};
+
+static void gtk_stack_add (GtkContainer *widget,
+ GtkWidget *child);
+static void gtk_stack_remove (GtkContainer *widget,
+ GtkWidget *child);
+static void gtk_stack_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data);
+static void gtk_stack_compute_expand (GtkWidget *widget,
+ gboolean *hexpand,
+ gboolean *vexpand);
+static void gtk_stack_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+static gboolean gtk_stack_draw (GtkWidget *widget,
+ cairo_t *cr);
+static void gtk_stack_get_preferred_height (GtkWidget *widget,
+ gint *minimum_height,
+ gint *natural_height);
+static void gtk_stack_get_preferred_height_for_width (GtkWidget *widget,
+ gint width,
+ gint *minimum_height,
+ gint *natural_height);
+static void gtk_stack_get_preferred_width (GtkWidget *widget,
+ gint *minimum_width,
+ gint *natural_width);
+static void gtk_stack_get_preferred_width_for_height (GtkWidget *widget,
+ gint height,
+ gint *minimum_width,
+ gint *natural_width);
+static void gtk_stack_finalize (GObject *obj);
+static void gtk_stack_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void gtk_stack_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gtk_stack_get_child_property (GtkContainer *container,
+ GtkWidget *child,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void gtk_stack_set_child_property (GtkContainer *container,
+ GtkWidget *child,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gtk_stack_unschedule_ticks (GtkStack *stack);
+static gint get_bin_window_x (GtkStack *stack,
+ GtkAllocation *allocation);
+
+G_DEFINE_TYPE(GtkStack, gtk_stack, GTK_TYPE_CONTAINER);
+
+static void
+gtk_stack_init (GtkStack *stack)
+{
+ stack->priv = G_TYPE_INSTANCE_GET_PRIVATE (stack, GTK_TYPE_STACK, GtkStackPrivate);
+
+ gtk_widget_set_has_window ((GtkWidget*) stack, TRUE);
+ gtk_widget_set_redraw_on_allocate ((GtkWidget*) stack, TRUE);
+}
+
+static void
+gtk_stack_finalize (GObject *obj)
+{
+ GtkStack *stack = GTK_STACK (obj);
+ GtkStackPrivate *priv = stack->priv;
+
+ gtk_stack_unschedule_ticks (stack);
+
+ if (priv->last_visible_surface != NULL)
+ cairo_surface_destroy (priv->last_visible_surface);
+
+ G_OBJECT_CLASS (gtk_stack_parent_class)->finalize (obj);
+}
+
+static void
+gtk_stack_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GtkStack *stack = GTK_STACK (object);
+ GtkStackPrivate *priv = stack->priv;
+
+ switch (property_id)
+ {
+ case PROP_HOMOGENEOUS:
+ g_value_set_boolean (value, priv->homogeneous);
+ break;
+ case PROP_VISIBLE_CHILD:
+ g_value_set_object (value, priv->visible_child);
+ break;
+ case PROP_VISIBLE_CHILD_NAME:
+ g_value_set_string (value, gtk_stack_get_visible_child_name (stack));
+ break;
+ case PROP_TRANSITION_DURATION:
+ g_value_set_int (value, gtk_stack_get_transition_duration (stack));
+ break;
+ case PROP_TRANSITION_TYPE:
+ g_value_set_int (value, gtk_stack_get_transition_type (stack));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_stack_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GtkStack *stack = GTK_STACK (object);
+
+ switch (property_id)
+ {
+ case PROP_HOMOGENEOUS:
+ gtk_stack_set_homogeneous (stack, g_value_get_boolean (value));
+ break;
+ case PROP_VISIBLE_CHILD:
+ gtk_stack_set_visible_child (stack, g_value_get_object (value));
+ break;
+ case PROP_VISIBLE_CHILD_NAME:
+ gtk_stack_set_visible_child_name (stack, g_value_get_string (value));
+ break;
+ case PROP_TRANSITION_DURATION:
+ gtk_stack_set_transition_duration (stack, g_value_get_int (value));
+ break;
+ case PROP_TRANSITION_TYPE:
+ gtk_stack_set_transition_type (stack, g_value_get_int (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_stack_realize (GtkWidget *widget)
+{
+ GtkStack *stack = GTK_STACK (widget);
+ GtkStackPrivate *priv = stack->priv;
+ GtkAllocation allocation;
+ GdkWindowAttr attributes = { 0 };
+ GdkWindowAttributesType attributes_mask;
+ GtkStackChildInfo *info;
+ GList *l;
+
+ gtk_widget_set_realized (widget, TRUE);
+
+ gtk_widget_get_allocation (widget, &allocation);
+
+ attributes.x = allocation.x;
+ attributes.y = allocation.y;
+ attributes.width = allocation.width;
+ attributes.height = allocation.height;
+ attributes.window_type = GDK_WINDOW_CHILD;
+ attributes.wclass = GDK_INPUT_OUTPUT;
+ attributes.visual = gtk_widget_get_visual (widget);
+ attributes.event_mask =
+ gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
+ attributes_mask = (GDK_WA_X | GDK_WA_Y) | GDK_WA_VISUAL;
+
+ priv->view_window =
+ gdk_window_new (gtk_widget_get_parent_window ((GtkWidget*) stack),
+ &attributes, attributes_mask);
+ gtk_widget_set_window (widget, priv->view_window);
+ gtk_widget_register_window (widget, priv->view_window);
+
+ attributes.x = get_bin_window_x (stack, &allocation);
+ attributes.y = 0;
+ attributes.width = allocation.width;
+ attributes.height = allocation.height;
+
+ priv->bin_window =
+ gdk_window_new (priv->view_window, &attributes, attributes_mask);
+ gtk_widget_register_window (widget, priv->bin_window);
+
+ for (l = priv->children; l != NULL; l = l->next)
+ {
+ info = l->data;
+
+ gtk_widget_set_parent_window (info->widget, priv->bin_window);
+ }
+
+ gdk_window_show (priv->bin_window);
+}
+
+static void
+gtk_stack_unrealize (GtkWidget *widget)
+{
+ GtkStack *stack = GTK_STACK (widget);
+ GtkStackPrivate *priv = stack->priv;
+
+ gtk_widget_unregister_window (widget, priv->bin_window);
+ gdk_window_destroy (priv->bin_window);
+ priv->view_window = NULL;
+
+ GTK_WIDGET_CLASS (gtk_stack_parent_class)->unrealize (widget);
+}
+
+static void
+gtk_stack_class_init (GtkStackClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+ GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
+
+ object_class->get_property = gtk_stack_get_property;
+ object_class->set_property = gtk_stack_set_property;
+ object_class->finalize = gtk_stack_finalize;
+
+ widget_class->size_allocate = gtk_stack_size_allocate;
+ widget_class->draw = gtk_stack_draw;
+ widget_class->realize = gtk_stack_realize;
+ widget_class->unrealize = gtk_stack_unrealize;
+ widget_class->get_preferred_height = gtk_stack_get_preferred_height;
+ widget_class->get_preferred_height_for_width = gtk_stack_get_preferred_height_for_width;
+ widget_class->get_preferred_width = gtk_stack_get_preferred_width;
+ widget_class->get_preferred_width_for_height = gtk_stack_get_preferred_width_for_height;
+ widget_class->compute_expand = gtk_stack_compute_expand;
+
+ container_class->add = gtk_stack_add;
+ container_class->remove = gtk_stack_remove;
+ container_class->forall = gtk_stack_forall;
+ container_class->set_child_property = gtk_stack_set_child_property;
+ container_class->get_child_property = gtk_stack_get_child_property;
+ /*container_class->get_path_for_child = gtk_stack_get_path_for_child; */
+ gtk_container_class_handle_border_width (container_class);
+
+ g_object_class_install_property (object_class,
+ PROP_HOMOGENEOUS,
+ g_param_spec_boolean ("homogeneous",
+ P_("Homogeneous"),
+ P_("Homogeneous sizing"),
+ TRUE,
+ GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+ g_object_class_install_property (object_class,
+ PROP_VISIBLE_CHILD,
+ g_param_spec_object ("visible-child",
+ P_("Visible child"),
+ P_("The widget currently visible in the stack"),
+ GTK_TYPE_WIDGET,
+ GTK_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_VISIBLE_CHILD_NAME,
+ g_param_spec_string ("visible-child-name",
+ P_("Name of visible child"),
+ P_("The name of the widget currently visible in the
stack"),
+ NULL,
+ GTK_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_TRANSITION_DURATION,
+ g_param_spec_int ("transition-duration",
+ P_("Transition duration"),
+ P_("The animation duration, in milliseconds"),
+ G_MININT, G_MAXINT,
+ 200,
+ GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+ g_object_class_install_property (object_class,
+ PROP_TRANSITION_TYPE,
+ g_param_spec_int ("transition-type",
+ P_("Transition type"),
+ P_("The type of animation used to transition"),
+ GTK_STACK_TRANSITION_TYPE_NONE,
+ G_MAXINT,
+ GTK_STACK_TRANSITION_TYPE_NONE,
+ GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+
+ gtk_container_class_install_child_property (container_class, CHILD_PROP_NAME,
+ g_param_spec_string ("name",
+ P_("Name"),
+ P_("The name of the child page"),
+ NULL,
+ GTK_PARAM_READWRITE));
+
+ gtk_container_class_install_child_property (container_class, CHILD_PROP_TITLE,
+ g_param_spec_string ("title",
+ P_("Title"),
+ P_("The title of the child page"),
+ NULL,
+ GTK_PARAM_READWRITE));
+
+ gtk_container_class_install_child_property (container_class, CHILD_PROP_ICON_NAME,
+ g_param_spec_string ("icon-name",
+ P_("Icon name"),
+ P_("The icon name of the child page"),
+ NULL,
+ GTK_PARAM_READWRITE));
+
+ gtk_container_class_install_child_property (container_class, CHILD_PROP_POSITION,
+ g_param_spec_int ("position",
+ P_("Position"),
+ P_("The index of the child in the parent"),
+ -1, G_MAXINT, 0,
+ GTK_PARAM_READWRITE));
+
+ g_type_class_add_private (klass, sizeof (GtkStackPrivate));
+}
+
+
+GtkWidget *
+gtk_stack_new (void)
+{
+ return g_object_new (GTK_TYPE_STACK, NULL);
+}
+
+static GtkStackChildInfo *
+find_child_info_for_widget (GtkStack *stack,
+ GtkWidget *child)
+{
+ GtkStackPrivate *priv = stack->priv;
+ GtkStackChildInfo *info;
+ GList *l;
+
+ for (l = priv->children; l != NULL; l = l->next)
+ {
+ info = l->data;
+ if (info->widget == child)
+ return info;
+ }
+
+ return NULL;
+}
+
+static void
+reorder_child (GtkStack *stack,
+ GtkWidget *child,
+ gint position)
+{
+ GtkStackPrivate *priv;
+ GList *l;
+ GList *old_link = NULL;
+ GList *new_link = NULL;
+ GtkStackChildInfo *child_info = NULL;
+ gint num = 0;
+
+ priv = stack->priv;
+
+ l = priv->children;
+
+ /* Loop to find the old position and link of child, new link of child and
+ * total number of children. new_link will be NULL if the child should be
+ * moved to the end (in case of position being < 0 || >= num)
+ */
+ while (l && (new_link == NULL || old_link == NULL))
+ {
+ /* Record the new position if found */
+ if (position == num)
+ new_link = l;
+
+ if (old_link == NULL)
+ {
+ GtkStackChildInfo *info;
+ info = l->data;
+
+ /* Keep trying to find the current position and link location of the
+ child */
+ if (info->widget == child)
+ {
+ old_link = l;
+ child_info = info;
+ }
+ }
+
+ l = g_list_next (l);
+ num++;
+ }
+
+ g_return_if_fail (old_link != NULL);
+
+ if (old_link == new_link || (g_list_next (old_link) == NULL && new_link == NULL))
+ return;
+
+ priv->children = g_list_delete_link (priv->children, old_link);
+ priv->children = g_list_insert_before (priv->children, new_link, child_info);
+
+ gtk_widget_child_notify (child, "position");
+}
+
+static void
+gtk_stack_get_child_property (GtkContainer *container,
+ GtkWidget *child,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GtkStack *stack = GTK_STACK (container);
+ GtkStackChildInfo *info;
+ GList *list;
+ guint i;
+
+ info = find_child_info_for_widget (stack, child);
+ if (info == NULL)
+ {
+ GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
+ return;
+ }
+
+ switch (property_id)
+ {
+ case CHILD_PROP_NAME:
+ g_value_set_string (value, info->name);
+ break;
+
+ case CHILD_PROP_TITLE:
+ g_value_set_string (value, info->title);
+ break;
+
+ case CHILD_PROP_ICON_NAME:
+ g_value_set_string (value, info->icon_name);
+ break;
+
+ case CHILD_PROP_POSITION:
+ i = 0;
+ for (list = stack->priv->children; list != NULL; list = g_list_next (list))
+ {
+ if (info == list->data)
+ break;
+ ++i;
+ }
+ g_value_set_int (value, i);
+ break;
+
+ default:
+ GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_stack_set_child_property (GtkContainer *container,
+ GtkWidget *child,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GtkStack *stack = GTK_STACK (container);
+ GtkStackPrivate *priv = stack->priv;
+ GtkStackChildInfo *info;
+
+ info = find_child_info_for_widget (stack, child);
+ if (info == NULL)
+ {
+ GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
+ return;
+ }
+
+ switch (property_id)
+ {
+ case CHILD_PROP_NAME:
+ g_free (info->name);
+ info->name = g_value_dup_string (value);
+
+ gtk_container_child_notify (container, child, "name");
+
+ if (priv->visible_child == info)
+ g_object_notify (G_OBJECT (stack), "visible-child-name");
+
+ break;
+
+ case CHILD_PROP_TITLE:
+ g_free (info->title);
+ info->title = g_value_dup_string (value);
+ gtk_container_child_notify (container, child, "title");
+ break;
+
+ case CHILD_PROP_ICON_NAME:
+ g_free (info->icon_name);
+ info->icon_name = g_value_dup_string (value);
+ gtk_container_child_notify (container, child, "icon-name");
+ break;
+
+ case CHILD_PROP_POSITION:
+ reorder_child (stack, child, g_value_get_int (value));
+ break;
+
+ default:
+ GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
+ break;
+ }
+}
+
+/* From clutter-easing.c, based on Robert Penner's
+ * infamous easing equations, MIT license.
+ */
+static double
+ease_out_cubic (double t)
+{
+ double p = t - 1;
+ return p * p * p + 1;
+}
+
+static gint
+get_bin_window_x (GtkStack *stack,
+ GtkAllocation *allocation)
+{
+ GtkStackPrivate *priv = stack->priv;
+ int x = 0;
+
+ if (priv->transition_pos < 1.0)
+ {
+ if (priv->transition_type == GTK_STACK_TRANSITION_TYPE_SLIDE_LEFT)
+ x = allocation->width * (1 - ease_out_cubic (priv->transition_pos));
+ if (priv->transition_type == GTK_STACK_TRANSITION_TYPE_SLIDE_RIGHT)
+ x = -allocation->width * (1 - ease_out_cubic (priv->transition_pos));
+ }
+
+ return x;
+}
+
+static gboolean
+gtk_stack_set_transition_position (GtkStack *stack,
+ gdouble pos)
+{
+ GtkStackPrivate *priv = stack->priv;
+ gboolean done;
+
+ priv->transition_pos = pos;
+ gtk_widget_queue_draw (GTK_WIDGET (stack));
+
+ if (priv->bin_window != NULL &&
+ (priv->transition_type == GTK_STACK_TRANSITION_TYPE_SLIDE_LEFT ||
+ priv->transition_type == GTK_STACK_TRANSITION_TYPE_SLIDE_RIGHT))
+ {
+ GtkAllocation allocation;
+ gtk_widget_get_allocation (GTK_WIDGET (stack), &allocation);
+ gdk_window_move (priv->bin_window,
+ get_bin_window_x (stack, &allocation), 0);
+ }
+
+ done = pos >= 1.0;
+
+ if (done || priv->last_visible_surface != NULL)
+ {
+ if (priv->last_visible_child)
+ {
+ gtk_widget_set_child_visible (priv->last_visible_child->widget, FALSE);
+ priv->last_visible_child = NULL;
+ }
+ }
+
+ if (done)
+ {
+ if (priv->last_visible_surface != NULL)
+ {
+ cairo_surface_destroy (priv->last_visible_surface);
+ priv->last_visible_surface = NULL;
+ }
+
+ gtk_widget_queue_resize (GTK_WIDGET (stack));
+ }
+
+ return done;
+}
+
+static gboolean
+gtk_stack_transition_cb (GtkStack *stack,
+ GdkFrameClock *frame_clock,
+ gpointer user_data)
+{
+ GtkStackPrivate *priv = stack->priv;
+ gint64 now;
+ gdouble t;
+
+ now = gdk_frame_clock_get_frame_time (frame_clock);
+
+ t = 1.0;
+ if (now < priv->end_time)
+ t = (now - priv->start_time) / (double) (priv->end_time - priv->start_time);
+
+ /* Finish animation early if not mapped anymore */
+ if (!gtk_widget_get_mapped (GTK_WIDGET (stack)))
+ t = 1.0;
+
+ if (gtk_stack_set_transition_position (stack, t))
+ {
+ gtk_widget_set_opacity (GTK_WIDGET (stack), 1.0);
+ priv->tick_id = 0;
+
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+gtk_stack_schedule_ticks (GtkStack *stack)
+{
+ GtkStackPrivate *priv = stack->priv;
+
+ if (priv->tick_id == 0)
+ {
+ priv->tick_id =
+ gtk_widget_add_tick_callback (GTK_WIDGET (stack), (GtkTickCallback)gtk_stack_transition_cb, stack,
NULL);
+ }
+}
+
+static void
+gtk_stack_unschedule_ticks (GtkStack *stack)
+{
+ GtkStackPrivate *priv = stack->priv;
+
+ if (priv->tick_id != 0)
+ {
+ gtk_widget_remove_tick_callback (GTK_WIDGET (stack), priv->tick_id);
+ priv->tick_id = 0;
+ }
+}
+
+static void
+gtk_stack_start_transition (GtkStack *stack)
+{
+ GtkStackPrivate *priv = stack->priv;
+ GtkWidget *widget = GTK_WIDGET (stack);
+ gboolean animations_enabled;
+
+ g_object_get (gtk_widget_get_settings (widget),
+ "gtk-enable-animations", &animations_enabled,
+ NULL);
+
+ if (gtk_widget_get_mapped (widget) &&
+ animations_enabled &&
+ priv->transition_type != GTK_STACK_TRANSITION_TYPE_NONE &&
+ priv->last_visible_child != NULL)
+ {
+ gtk_widget_set_opacity (widget, 0.999);
+
+ priv->transition_pos = 0.0;
+ priv->start_time = gdk_frame_clock_get_frame_time (gtk_widget_get_frame_clock (widget));
+ priv->end_time = priv->start_time + (priv->transition_duration * 1000);
+ gtk_stack_schedule_ticks (stack);
+ }
+ else
+ {
+ gtk_stack_unschedule_ticks (stack);
+ gtk_stack_set_transition_position (stack, 1.0);
+ }
+}
+
+static void
+set_visible_child (GtkStack *stack,
+ GtkStackChildInfo *child_info)
+{
+ GtkStackPrivate *priv = stack->priv;
+ GtkStackChildInfo *info;
+ GtkWidget *widget = GTK_WIDGET (stack);
+ GList *l;
+
+ /* If none, pick first visible */
+ if (child_info == NULL)
+ {
+ for (l = priv->children; l != NULL; l = l->next)
+ {
+ info = l->data;
+ if (gtk_widget_get_visible (info->widget))
+ {
+ child_info = info;
+ break;
+ }
+ }
+ }
+
+ if (child_info == priv->visible_child)
+ return;
+
+ if (priv->last_visible_child)
+ gtk_widget_set_child_visible (priv->last_visible_child->widget, FALSE);
+ priv->last_visible_child = NULL;
+
+ if (priv->last_visible_surface != NULL)
+ cairo_surface_destroy (priv->last_visible_surface);
+ priv->last_visible_surface = NULL;
+
+ if (priv->visible_child && priv->visible_child->widget)
+ {
+ if (gtk_widget_is_visible (widget))
+ priv->last_visible_child = priv->visible_child;
+ else
+ gtk_widget_set_child_visible (priv->visible_child->widget, FALSE);
+ }
+
+ priv->visible_child = child_info;
+
+ if (child_info)
+ gtk_widget_set_child_visible (child_info->widget, TRUE);
+
+ gtk_widget_queue_resize (GTK_WIDGET (stack));
+ gtk_widget_queue_draw (GTK_WIDGET (stack));
+
+ g_object_notify (G_OBJECT (stack), "visible-child");
+ g_object_notify (G_OBJECT (stack), "visible-child-name");
+
+ gtk_stack_start_transition (stack);
+}
+
+static void
+stack_child_visibility_notify_cb (GObject *obj,
+ GParamSpec *pspec,
+ gpointer user_data)
+{
+ GtkStack *stack = GTK_STACK (user_data);
+ GtkStackPrivate *priv = stack->priv;
+ GtkWidget *child = GTK_WIDGET (obj);
+ GtkStackChildInfo *child_info;
+
+ child_info = find_child_info_for_widget (stack, child);
+
+ if (priv->visible_child == NULL &&
+ gtk_widget_get_visible (child))
+ set_visible_child (stack, child_info);
+ else if (priv->visible_child == child_info &&
+ !gtk_widget_get_visible (child))
+ set_visible_child (stack, NULL);
+
+ if (child_info == priv->last_visible_child)
+ {
+ gtk_widget_set_child_visible (priv->last_visible_child->widget, FALSE);
+ priv->last_visible_child = NULL;
+ }
+}
+
+void
+gtk_stack_add_titled (GtkStack *stack,
+ GtkWidget *child,
+ const gchar *name,
+ const gchar *title)
+{
+ g_return_if_fail (GTK_IS_STACK (stack));
+ g_return_if_fail (GTK_IS_WIDGET (child));
+
+ gtk_container_add_with_properties (GTK_CONTAINER (stack),
+ child,
+ "name", name,
+ "title", title,
+ NULL);
+}
+
+void
+gtk_stack_add_named (GtkStack *stack,
+ GtkWidget *child,
+ const gchar *name)
+{
+ g_return_if_fail (GTK_IS_STACK (stack));
+ g_return_if_fail (GTK_IS_WIDGET (child));
+
+ gtk_container_add_with_properties (GTK_CONTAINER (stack),
+ child,
+ "name", name,
+ NULL);
+}
+
+static void
+gtk_stack_add (GtkContainer *container,
+ GtkWidget *child)
+{
+ GtkStack *stack = GTK_STACK (container);
+ GtkStackPrivate *priv = stack->priv;
+ GtkStackChildInfo *child_info;
+
+ g_return_if_fail (child != NULL);
+
+ child_info = g_slice_new (GtkStackChildInfo);
+ child_info->widget = child;
+ child_info->name = NULL;
+ child_info->title = NULL;
+ child_info->icon_name = NULL;
+
+ priv->children = g_list_append (priv->children, child_info);
+
+ gtk_widget_set_parent_window (child, priv->bin_window);
+ gtk_widget_set_parent (child, GTK_WIDGET (stack));
+
+ g_signal_connect (child, "notify::visible",
+ G_CALLBACK (stack_child_visibility_notify_cb), stack);
+
+ gtk_widget_child_notify (child, "position");
+
+ if (priv->visible_child == NULL &&
+ gtk_widget_get_visible (child))
+ set_visible_child (stack, child_info);
+ else
+ gtk_widget_set_child_visible (child, FALSE);
+
+ if (priv->homogeneous || priv->visible_child == child_info)
+ gtk_widget_queue_resize (GTK_WIDGET (stack));
+}
+
+static void
+gtk_stack_remove (GtkContainer *container,
+ GtkWidget *child)
+{
+ GtkStack *stack = GTK_STACK (container);
+ GtkStackPrivate *priv = stack->priv;
+ GtkStackChildInfo *child_info;
+ gboolean was_visible;
+
+ child_info = find_child_info_for_widget (stack, child);
+ if (child_info == NULL)
+ return;
+
+ priv->children = g_list_remove (priv->children, child_info);
+
+ g_signal_handlers_disconnect_by_func (child,
+ stack_child_visibility_notify_cb,
+ stack);
+
+ was_visible = gtk_widget_get_visible (child);
+
+ child_info->widget = NULL;
+
+ if (priv->visible_child == child_info)
+ set_visible_child (stack, NULL);
+
+ if (priv->last_visible_child == child_info)
+ priv->last_visible_child = NULL;
+
+ gtk_widget_unparent (child);
+
+ g_free (child_info->name);
+ g_free (child_info->title);
+ g_free (child_info->icon_name);
+ g_slice_free (GtkStackChildInfo, child_info);
+
+ if (priv->homogeneous && was_visible)
+ gtk_widget_queue_resize (GTK_WIDGET (stack));
+}
+
+void
+gtk_stack_set_homogeneous (GtkStack *stack,
+ gboolean homogeneous)
+{
+ GtkStackPrivate *priv;
+
+ g_return_if_fail (GTK_IS_STACK (stack));
+
+ priv = stack->priv;
+
+ homogeneous = !!homogeneous;
+
+ if (priv->homogeneous == homogeneous)
+ return;
+
+ priv->homogeneous = homogeneous;
+
+ if (gtk_widget_get_visible (GTK_WIDGET(stack)))
+ gtk_widget_queue_resize (GTK_WIDGET (stack));
+
+ g_object_notify (G_OBJECT (stack), "homogeneous");
+}
+
+gboolean
+gtk_stack_get_homogeneous (GtkStack *stack)
+{
+ g_return_val_if_fail (GTK_IS_STACK (stack), FALSE);
+
+ return stack->priv->homogeneous;
+}
+
+gint
+gtk_stack_get_transition_duration (GtkStack *stack)
+{
+ g_return_val_if_fail (GTK_IS_STACK (stack), 0);
+
+ return stack->priv->transition_duration;
+}
+
+void
+gtk_stack_set_transition_duration (GtkStack *stack,
+ gint value)
+{
+ g_return_if_fail (GTK_IS_STACK (stack));
+
+ stack->priv->transition_duration = value;
+ g_object_notify (G_OBJECT (stack), "transition-duration");
+}
+
+GtkStackTransitionType
+gtk_stack_get_transition_type (GtkStack *stack)
+{
+ g_return_val_if_fail (GTK_IS_STACK (stack), GTK_STACK_TRANSITION_TYPE_NONE);
+
+ return stack->priv->transition_type;
+}
+
+void
+gtk_stack_set_transition_type (GtkStack *stack,
+ GtkStackTransitionType value)
+{
+ g_return_if_fail (GTK_IS_STACK (stack));
+
+ stack->priv->transition_type = value;
+ g_object_notify (G_OBJECT (stack), "transition-type");
+}
+
+/**
+ * gtk_stack_get_visible_child:
+ * @stack: a #GtkStack
+ *
+ * Gets the currently visible child of the #GtkStack, or %NULL if the
+ * there are no visible children. The returned widget does not have a reference
+ * added, so you do not need to unref it.
+ *
+ * Return value: (transfer none): pointer to child of the #GtkStack
+ **/
+GtkWidget *
+gtk_stack_get_visible_child (GtkStack *stack)
+{
+ g_return_val_if_fail (GTK_IS_STACK (stack), NULL);
+
+ return stack->priv->visible_child ? stack->priv->visible_child->widget : NULL;
+}
+
+const gchar *
+gtk_stack_get_visible_child_name (GtkStack *stack)
+{
+ g_return_val_if_fail (GTK_IS_STACK (stack), NULL);
+
+ if (stack->priv->visible_child)
+ return stack->priv->visible_child->name;
+
+ return NULL;
+}
+
+void
+gtk_stack_set_visible_child (GtkStack *stack,
+ GtkWidget *child)
+{
+ GtkStackChildInfo *child_info;
+
+ g_return_if_fail (GTK_IS_STACK (stack));
+ g_return_if_fail (GTK_IS_WIDGET (child));
+
+ child_info = find_child_info_for_widget (stack, child);
+ if (child_info == NULL)
+ return;
+
+ if (gtk_widget_get_visible (child_info->widget))
+ set_visible_child (stack, child_info);
+}
+
+void
+gtk_stack_set_visible_child_name (GtkStack *stack,
+ const gchar *name)
+{
+ GtkStackPrivate *priv;
+ GtkStackChildInfo *child_info, *info;
+ GList *l;
+
+ g_return_if_fail (GTK_IS_STACK (stack));
+ g_return_if_fail (name != NULL);
+
+ priv = stack->priv;
+
+ child_info = NULL;
+ for (l = priv->children; l != NULL; l = l->next)
+ {
+ info = l->data;
+ if (info->name != NULL &&
+ strcmp (info->name, name) == 0)
+ {
+ child_info = info;
+ break;
+ }
+ }
+
+ if (child_info != NULL && gtk_widget_get_visible (child_info->widget))
+ set_visible_child (stack, child_info);
+}
+
+static void
+gtk_stack_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data)
+{
+ GtkStack *stack = GTK_STACK (container);
+ GtkStackPrivate *priv = stack->priv;
+ GtkStackChildInfo *child_info;
+ GList *l;
+
+ l = priv->children;
+ while (l)
+ {
+ child_info = l->data;
+ l = l->next;
+
+ (* callback) (child_info->widget, callback_data);
+ }
+}
+
+static void
+gtk_stack_compute_expand (GtkWidget *widget,
+ gboolean *hexpand_p,
+ gboolean *vexpand_p)
+{
+ GtkStack *stack = GTK_STACK (widget);
+ GtkStackPrivate *priv = stack->priv;
+ gboolean hexpand, vexpand;
+ GtkStackChildInfo *child_info;
+ GtkWidget *child;
+ GList *l;
+
+ hexpand = FALSE;
+ vexpand = FALSE;
+ for (l = priv->children; l != NULL; l = l->next)
+ {
+ child_info = l->data;
+ child = child_info->widget;
+
+ if (!hexpand &&
+ gtk_widget_compute_expand (child, GTK_ORIENTATION_HORIZONTAL))
+ hexpand = TRUE;
+
+ if (!vexpand &&
+ gtk_widget_compute_expand (child, GTK_ORIENTATION_VERTICAL))
+ vexpand = TRUE;
+
+ if (hexpand && vexpand)
+ break;
+ }
+
+ *hexpand_p = hexpand;
+ *vexpand_p = vexpand;
+}
+
+static void
+gtk_stack_draw_crossfade (GtkWidget *widget,
+ cairo_t *cr)
+{
+ GtkStack *stack = GTK_STACK (widget);
+ GtkStackPrivate *priv = stack->priv;
+
+ if (priv->last_visible_surface)
+ {
+ cairo_set_source_surface (cr, priv->last_visible_surface,
+ priv->last_visible_surface_allocation.x,
+ priv->last_visible_surface_allocation.y);
+ cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
+ cairo_paint_with_alpha (cr, MAX (1.0 - priv->transition_pos, 0));
+ }
+
+ cairo_push_group (cr);
+ cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
+ gtk_container_propagate_draw (GTK_CONTAINER (stack),
+ priv->visible_child->widget,
+ cr);
+ cairo_pop_group_to_source (cr);
+ cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
+ cairo_paint_with_alpha (cr, priv->transition_pos);
+}
+
+static void
+gtk_stack_draw_slide (GtkWidget *widget,
+ cairo_t *cr)
+{
+ GtkStack *stack = GTK_STACK (widget);
+ GtkStackPrivate *priv = stack->priv;
+ GtkAllocation allocation;
+ int x = 0;
+
+ gtk_widget_get_allocation (widget, &allocation);
+
+ x = get_bin_window_x (stack, &allocation);
+
+ if (priv->transition_type == GTK_STACK_TRANSITION_TYPE_SLIDE_LEFT)
+ x -= allocation.width;
+ if (priv->transition_type == GTK_STACK_TRANSITION_TYPE_SLIDE_RIGHT)
+ x += allocation.width;
+
+ if (priv->last_visible_surface)
+ {
+ cairo_save (cr);
+ cairo_set_source_surface (cr, priv->last_visible_surface, x, 0);
+ cairo_paint (cr);
+ cairo_restore (cr);
+ }
+
+ gtk_container_propagate_draw (GTK_CONTAINER (stack),
+ priv->visible_child->widget,
+ cr);
+}
+
+static gboolean
+gtk_stack_draw (GtkWidget *widget,
+ cairo_t *cr)
+{
+ GtkStack *stack = GTK_STACK (widget);
+ GtkStackPrivate *priv = stack->priv;
+ cairo_t *pattern_cr;
+
+ if (priv->visible_child)
+ {
+ if (priv->transition_pos < 1.0)
+ {
+ if (priv->last_visible_surface == NULL &&
+ priv->last_visible_child != NULL)
+ {
+ gtk_widget_get_allocation (priv->last_visible_child->widget,
+ &priv->last_visible_surface_allocation);
+ priv->last_visible_surface =
+ gdk_window_create_similar_surface (gtk_widget_get_window (widget),
+ CAIRO_CONTENT_COLOR_ALPHA,
+ priv->last_visible_surface_allocation.width,
+ priv->last_visible_surface_allocation.height);
+ pattern_cr = cairo_create (priv->last_visible_surface);
+ /* We don't use propagate_draw here, because we don't want to apply
+ the bin_window offset */
+ gtk_widget_draw (priv->last_visible_child->widget, pattern_cr);
+ cairo_destroy (pattern_cr);
+ }
+
+ switch (priv->transition_type)
+ {
+ case GTK_STACK_TRANSITION_TYPE_CROSSFADE:
+ gtk_stack_draw_crossfade (widget, cr);
+ break;
+ case GTK_STACK_TRANSITION_TYPE_SLIDE_LEFT:
+ case GTK_STACK_TRANSITION_TYPE_SLIDE_RIGHT:
+ gtk_stack_draw_slide (widget, cr);
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+
+ }
+ else if (gtk_cairo_should_draw_window (cr, priv->bin_window))
+ gtk_container_propagate_draw (GTK_CONTAINER (stack),
+ priv->visible_child->widget,
+ cr);
+ }
+
+ return TRUE;
+}
+
+static void
+gtk_stack_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ GtkStack *stack = GTK_STACK (widget);
+ GtkStackPrivate *priv = stack->priv;
+ GtkAllocation child_allocation;
+
+ g_return_if_fail (allocation != NULL);
+
+ gtk_widget_set_allocation (widget, allocation);
+
+ child_allocation = *allocation;
+ child_allocation.x = 0;
+ child_allocation.y = 0;
+
+ if (priv->last_visible_child)
+ gtk_widget_size_allocate (priv->last_visible_child->widget, &child_allocation);
+
+ if (priv->visible_child)
+ gtk_widget_size_allocate (priv->visible_child->widget, &child_allocation);
+
+ if (gtk_widget_get_realized (widget))
+ {
+ gdk_window_move_resize (priv->view_window,
+ allocation->x, allocation->y,
+ allocation->width, allocation->height);
+ gdk_window_move_resize (priv->bin_window,
+ get_bin_window_x (stack, allocation), 0,
+ allocation->width, allocation->height);
+ }
+}
+
+static void
+gtk_stack_get_preferred_height (GtkWidget *widget,
+ gint *minimum_height,
+ gint *natural_height)
+{
+ GtkStack *stack = GTK_STACK (widget);
+ GtkStackPrivate *priv = stack->priv;
+ GtkStackChildInfo *child_info;
+ GtkWidget *child;
+ gint child_min, child_nat;
+ GList *l;
+
+ *minimum_height = 0;
+ *natural_height = 0;
+
+ for (l = priv->children; l != NULL; l = l->next)
+ {
+ child_info = l->data;
+ child = child_info->widget;
+
+ if (!priv->homogeneous &&
+ (priv->visible_child != child_info &&
+ priv->last_visible_child != child_info))
+ continue;
+ if (gtk_widget_get_visible (child))
+ {
+ gtk_widget_get_preferred_height (child, &child_min, &child_nat);
+
+ *minimum_height = MAX (*minimum_height, child_min);
+ *natural_height = MAX (*natural_height, child_nat);
+ }
+ }
+
+ if (priv->last_visible_surface != NULL)
+ {
+ *minimum_height = MAX (*minimum_height, priv->last_visible_surface_allocation.height);
+ *natural_height = MAX (*natural_height, priv->last_visible_surface_allocation.height);
+ }
+}
+
+static void
+gtk_stack_get_preferred_height_for_width (GtkWidget *widget,
+ gint width,
+ gint *minimum_height,
+ gint *natural_height)
+{
+ GtkStack *stack = GTK_STACK (widget);
+ GtkStackPrivate *priv = stack->priv;
+ GtkStackChildInfo *child_info;
+ GtkWidget *child;
+ gint child_min, child_nat;
+ GList *l;
+
+ *minimum_height = 0;
+ *natural_height = 0;
+
+ for (l = priv->children; l != NULL; l = l->next)
+ {
+ child_info = l->data;
+ child = child_info->widget;
+
+ if (!priv->homogeneous &&
+ (priv->visible_child != child_info &&
+ priv->last_visible_child != child_info))
+ continue;
+ if (gtk_widget_get_visible (child))
+ {
+ gtk_widget_get_preferred_height_for_width (child, width, &child_min, &child_nat);
+
+ *minimum_height = MAX (*minimum_height, child_min);
+ *natural_height = MAX (*natural_height, child_nat);
+ }
+ }
+
+ if (priv->last_visible_surface != NULL)
+ {
+ *minimum_height = MAX (*minimum_height, priv->last_visible_surface_allocation.height);
+ *natural_height = MAX (*natural_height, priv->last_visible_surface_allocation.height);
+ }
+}
+
+static void
+gtk_stack_get_preferred_width (GtkWidget *widget,
+ gint *minimum_width,
+ gint *natural_width)
+{
+ GtkStack *stack = GTK_STACK (widget);
+ GtkStackPrivate *priv = stack->priv;
+ GtkStackChildInfo *child_info;
+ GtkWidget *child;
+ gint child_min, child_nat;
+ GList *l;
+
+ *minimum_width = 0;
+ *natural_width = 0;
+
+ for (l = priv->children; l != NULL; l = l->next)
+ {
+ child_info = l->data;
+ child = child_info->widget;
+
+ if (!priv->homogeneous &&
+ (priv->visible_child != child_info &&
+ priv->last_visible_child != child_info))
+ continue;
+ if (gtk_widget_get_visible (child))
+ {
+ gtk_widget_get_preferred_width (child, &child_min, &child_nat);
+
+ *minimum_width = MAX (*minimum_width, child_min);
+ *natural_width = MAX (*natural_width, child_nat);
+ }
+ }
+
+ if (priv->last_visible_surface != NULL)
+ {
+ *minimum_width = MAX (*minimum_width, priv->last_visible_surface_allocation.width);
+ *natural_width = MAX (*natural_width, priv->last_visible_surface_allocation.width);
+ }
+}
+
+static void
+gtk_stack_get_preferred_width_for_height (GtkWidget *widget,
+ gint height,
+ gint *minimum_width,
+ gint *natural_width)
+{
+ GtkStack *stack = GTK_STACK (widget);
+ GtkStackPrivate *priv = stack->priv;
+ GtkStackChildInfo *child_info;
+ GtkWidget *child;
+ gint child_min, child_nat;
+ GList *l;
+
+ *minimum_width = 0;
+ *natural_width = 0;
+
+ for (l = priv->children; l != NULL; l = l->next)
+ {
+ child_info = l->data;
+ child = child_info->widget;
+
+ if (!priv->homogeneous &&
+ (priv->visible_child != child_info &&
+ priv->last_visible_child != child_info))
+ continue;
+ if (gtk_widget_get_visible (child))
+ {
+ gtk_widget_get_preferred_width_for_height (child, height, &child_min, &child_nat);
+
+ *minimum_width = MAX (*minimum_width, child_min);
+ *natural_width = MAX (*natural_width, child_nat);
+ }
+ }
+
+ if (priv->last_visible_surface != NULL)
+ {
+ *minimum_width = MAX (*minimum_width, priv->last_visible_surface_allocation.width);
+ *natural_width = MAX (*natural_width, priv->last_visible_surface_allocation.width);
+ }
+}
diff --git a/gtk/gtkstack.h b/gtk/gtkstack.h
new file mode 100644
index 0000000..86dd4f4
--- /dev/null
+++ b/gtk/gtkstack.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2013 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Author: Alexander Larsson <alexl redhat com>
+ *
+ */
+
+#ifndef __GTK_STACK_H__
+#define __GTK_STACK_H__
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+
+#define GTK_TYPE_STACK (gtk_stack_get_type ())
+#define GTK_STACK(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_STACK, GtkStack))
+#define GTK_STACK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_STACK, GtkStackClass))
+#define GTK_IS_STACK(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_STACK))
+#define GTK_IS_STACK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_STACK))
+#define GTK_STACK_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_STACK, GtkStackClass))
+
+typedef struct _GtkStack GtkStack;
+typedef struct _GtkStackClass GtkStackClass;
+typedef struct _GtkStackPrivate GtkStackPrivate;
+
+typedef enum {
+ GTK_STACK_TRANSITION_TYPE_NONE,
+ GTK_STACK_TRANSITION_TYPE_CROSSFADE,
+ GTK_STACK_TRANSITION_TYPE_SLIDE_RIGHT,
+ GTK_STACK_TRANSITION_TYPE_SLIDE_LEFT
+} GtkStackTransitionType;
+
+struct _GtkStack {
+ GtkContainer parent_instance;
+ GtkStackPrivate *priv;
+};
+
+struct _GtkStackClass {
+ GtkContainerClass parent_class;
+};
+
+GType gtk_stack_get_type (void) G_GNUC_CONST;
+
+GtkWidget * gtk_stack_new (void);
+void gtk_stack_add_named (GtkStack *stack,
+ GtkWidget *child,
+ const gchar *name);
+void gtk_stack_add_titled (GtkStack *stack,
+ GtkWidget *child,
+ const gchar *name,
+ const gchar *title);
+void gtk_stack_set_visible_child (GtkStack *stack,
+ GtkWidget *child);
+GtkWidget * gtk_stack_get_visible_child (GtkStack *stack);
+void gtk_stack_set_visible_child_name (GtkStack *stack,
+ const gchar *name);
+const gchar * gtk_stack_get_visible_child_name (GtkStack *stack);
+void gtk_stack_set_homogeneous (GtkStack *stack,
+ gboolean homogeneous);
+gboolean gtk_stack_get_homogeneous (GtkStack *stack);
+void gtk_stack_set_transition_duration (GtkStack *stack,
+ gint transition_duration);
+gint gtk_stack_get_transition_duration (GtkStack *stack);
+void gtk_stack_set_transition_type (GtkStack *stack,
+ GtkStackTransitionType type);
+GtkStackTransitionType gtk_stack_get_transition_type (GtkStack *stack);
+
+G_END_DECLS
+
+#endif
diff --git a/gtk/gtkstackswitcher.c b/gtk/gtkstackswitcher.c
new file mode 100644
index 0000000..3aef9ca
--- /dev/null
+++ b/gtk/gtkstackswitcher.c
@@ -0,0 +1,413 @@
+/*
+ * Copyright (c) 2013 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#include "config.h"
+#include "gtkstackswitcher.h"
+#include "gtkprivate.h"
+#include "gtkintl.h"
+
+struct _GtkStackSwitcherPrivate
+{
+ GtkStack *stack;
+ GHashTable *buttons;
+ gboolean in_child_changed;
+};
+
+enum {
+ PROP_0,
+ PROP_STACK
+};
+
+G_DEFINE_TYPE (GtkStackSwitcher, gtk_stack_switcher, GTK_TYPE_BOX);
+
+static void
+gtk_stack_switcher_init (GtkStackSwitcher *switcher)
+{
+ GtkStyleContext *context;
+ GtkStackSwitcherPrivate *priv;
+
+ priv = G_TYPE_INSTANCE_GET_PRIVATE (switcher, GTK_TYPE_STACK_SWITCHER, GtkStackSwitcherPrivate);
+ switcher->priv = priv;
+
+ priv->stack = NULL;
+ priv->buttons = g_hash_table_new (g_direct_hash, g_direct_equal);
+
+ context = gtk_widget_get_style_context (GTK_WIDGET (switcher));
+ gtk_style_context_add_class (context, GTK_STYLE_CLASS_LINKED);
+
+ gtk_orientable_set_orientation (GTK_ORIENTABLE (switcher), GTK_ORIENTATION_HORIZONTAL);
+}
+
+static void
+clear_switcher (GtkStackSwitcher *self)
+{
+ gtk_container_foreach (GTK_CONTAINER (self), (GtkCallback) gtk_widget_destroy, self);
+}
+
+static void
+on_button_clicked (GtkWidget *widget,
+ GtkStackSwitcher *self)
+{
+ GtkWidget *child;
+
+ if (!self->priv->in_child_changed)
+ {
+ child = g_object_get_data (G_OBJECT (widget), "stack-child");
+ gtk_stack_set_visible_child (self->priv->stack, child);
+ }
+}
+
+static void
+rebuild_child (GtkWidget *self,
+ const gchar *icon_name,
+ const gchar *title)
+{
+ GtkStyleContext *context;
+ GtkWidget *button_child;
+
+ gtk_widget_set_valign (GTK_WIDGET (self), GTK_ALIGN_CENTER);
+
+ button_child = gtk_bin_get_child (GTK_BIN (self));
+ if (button_child != NULL)
+ gtk_widget_destroy (button_child);
+
+ button_child = NULL;
+ context = gtk_widget_get_style_context (GTK_WIDGET (self));
+
+ if (icon_name != NULL)
+ {
+ button_child = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_MENU);
+ if (title != NULL)
+ gtk_widget_set_tooltip_text (GTK_WIDGET (self), title);
+
+ gtk_style_context_remove_class (context, "text-button");
+ gtk_style_context_add_class (context, "image-button");
+ }
+ else if (title != NULL)
+ {
+ button_child = gtk_label_new (title);
+
+ gtk_style_context_remove_class (context, "image-button");
+ gtk_style_context_add_class (context, "text-button");
+ }
+
+ if (button_child)
+ {
+ gtk_widget_show_all (button_child);
+ gtk_container_add (GTK_CONTAINER (self), button_child);
+ }
+}
+
+static void
+update_button (GtkStackSwitcher *self,
+ GtkWidget *widget,
+ GtkWidget *button)
+{
+ gchar *title;
+ gchar *icon_name;
+
+ gtk_container_child_get (GTK_CONTAINER (self->priv->stack), widget,
+ "title", &title,
+ "icon-name", &icon_name,
+ NULL);
+
+ rebuild_child (button, icon_name, title);
+
+ gtk_widget_set_visible (button, title != NULL || icon_name != NULL);
+
+ if (icon_name != NULL)
+ gtk_widget_set_size_request (button, -1, -1);
+ else
+ gtk_widget_set_size_request (button, 100, -1);
+
+ g_free (title);
+ g_free (icon_name);
+}
+
+static void
+on_title_icon_updated (GtkWidget *widget,
+ GParamSpec *pspec,
+ GtkStackSwitcher *self)
+{
+ GtkWidget *button;
+
+ button = g_hash_table_lookup (self->priv->buttons, widget);
+ update_button (self, widget, button);
+}
+
+static void
+on_position_updated (GtkWidget *widget,
+ GParamSpec *pspec,
+ GtkStackSwitcher *self)
+{
+ GtkWidget *button;
+ gint position;
+
+ button = g_hash_table_lookup (self->priv->buttons, widget);
+
+ gtk_container_child_get (GTK_CONTAINER (self->priv->stack), widget,
+ "position", &position,
+ NULL);
+
+ gtk_box_reorder_child (GTK_BOX (self), button, position);
+}
+
+static void
+add_child (GtkStackSwitcher *self,
+ GtkWidget *widget)
+{
+ GtkWidget *button;
+ GList *group;
+
+ button = gtk_radio_button_new (NULL);
+ gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (button), FALSE);
+
+ update_button (self, widget, button);
+
+ group = gtk_container_get_children (GTK_CONTAINER (self));
+ if (group != NULL)
+ {
+ gtk_radio_button_join_group (GTK_RADIO_BUTTON (button), GTK_RADIO_BUTTON (group->data));
+ g_list_free (group);
+ }
+
+ gtk_container_add (GTK_CONTAINER (self), button);
+
+ g_object_set_data (G_OBJECT (button), "stack-child", widget);
+ g_signal_connect (button, "clicked", G_CALLBACK (on_button_clicked), self);
+ g_signal_connect (widget, "child-notify::title", G_CALLBACK (on_title_icon_updated), self);
+ g_signal_connect (widget, "child-notify::icon-name", G_CALLBACK (on_title_icon_updated), self);
+ g_signal_connect (widget, "child-notify::position", G_CALLBACK (on_position_updated), self);
+
+ g_hash_table_insert (self->priv->buttons, widget, button);
+}
+
+static void
+foreach_stack (GtkWidget *widget,
+ GtkStackSwitcher *self)
+{
+ add_child (self, widget);
+}
+
+static void
+populate_switcher (GtkStackSwitcher *self)
+{
+ gtk_container_foreach (GTK_CONTAINER (self->priv->stack), (GtkCallback)foreach_stack, self);
+}
+
+static void
+on_child_changed (GtkWidget *widget,
+ GParamSpec *pspec,
+ GtkStackSwitcher *self)
+{
+ GtkWidget *child;
+ GtkWidget *button;
+
+ child = gtk_stack_get_visible_child (GTK_STACK (widget));
+ button = g_hash_table_lookup (self->priv->buttons, child);
+ if (button != NULL)
+ {
+ self->priv->in_child_changed = TRUE;
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
+ self->priv->in_child_changed = FALSE;
+ }
+}
+
+static void
+on_stack_child_added (GtkContainer *container,
+ GtkWidget *widget,
+ GtkStackSwitcher *self)
+{
+ add_child (self, widget);
+}
+
+static void
+on_stack_child_removed (GtkContainer *container,
+ GtkWidget *widget,
+ GtkStackSwitcher *self)
+{
+ GtkWidget *button;
+
+ button = g_hash_table_lookup (self->priv->buttons, widget);
+ gtk_container_remove (GTK_CONTAINER (self), button);
+ g_hash_table_remove (self->priv->buttons, widget);
+}
+
+static void
+disconnect_stack_signals (GtkStackSwitcher *switcher)
+{
+ GtkStackSwitcherPrivate *priv = switcher->priv;
+
+ g_signal_handlers_disconnect_by_func (priv->stack, on_stack_child_added, switcher);
+ g_signal_handlers_disconnect_by_func (priv->stack, on_stack_child_removed, switcher);
+ g_signal_handlers_disconnect_by_func (priv->stack, on_child_changed, switcher);
+ g_signal_handlers_disconnect_by_func (priv->stack, disconnect_stack_signals, switcher);
+}
+
+static void
+connect_stack_signals (GtkStackSwitcher *switcher)
+{
+ GtkStackSwitcherPrivate *priv = switcher->priv;
+
+ g_signal_connect_after (priv->stack, "add",
+ G_CALLBACK (on_stack_child_added), switcher);
+ g_signal_connect_after (priv->stack, "remove",
+ G_CALLBACK (on_stack_child_removed), switcher);
+ g_signal_connect (priv->stack, "notify::visible-child",
+ G_CALLBACK (on_child_changed), switcher);
+ g_signal_connect_swapped (priv->stack, "destroy",
+ G_CALLBACK (disconnect_stack_signals), switcher);
+}
+
+/**
+ * gtk_stack_switcher_set_stack:
+ * @switcher: a #GtkStackSwitcher
+ * @stack: (allow-none): a #GtkStack
+ *
+ * Sets the stack to control.
+ */
+void
+gtk_stack_switcher_set_stack (GtkStackSwitcher *switcher,
+ GtkStack *stack)
+{
+ GtkStackSwitcherPrivate *priv;
+
+ g_return_if_fail (GTK_IS_STACK_SWITCHER (switcher));
+ if (stack)
+ g_return_if_fail (GTK_IS_STACK (stack));
+
+ priv = switcher->priv;
+
+ if (priv->stack == stack)
+ return;
+
+ if (priv->stack)
+ {
+ disconnect_stack_signals (switcher);
+ clear_switcher (switcher);
+ g_clear_object (&priv->stack);
+ }
+
+ if (stack)
+ {
+ priv->stack = g_object_ref (stack);
+ populate_switcher (switcher);
+ connect_stack_signals (switcher);
+ }
+
+ gtk_widget_queue_resize (GTK_WIDGET (switcher));
+
+ g_object_notify (G_OBJECT (switcher), "stack");
+}
+
+/**
+ * gtk_stack_switcher_get_stack:
+ * @switcher: a #GtkStackSwitcher
+ *
+ * Retrieves the stack. See
+ * gtk_stack_switcher_set_stack().
+ *
+ * Return value: (transfer none): the stack, or %NULL if
+ * none has been set explicitly.
+ */
+GtkStack *
+gtk_stack_switcher_get_stack (GtkStackSwitcher *switcher)
+{
+ g_return_val_if_fail (GTK_IS_STACK_SWITCHER (switcher), NULL);
+
+ return switcher->priv->stack;
+}
+
+static void
+gtk_stack_switcher_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GtkStackSwitcher *switcher = GTK_STACK_SWITCHER (object);
+ GtkStackSwitcherPrivate *priv = switcher->priv;
+
+ switch (prop_id)
+ {
+ case PROP_STACK:
+ g_value_set_object (value, priv->stack);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_stack_switcher_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GtkStackSwitcher *switcher = GTK_STACK_SWITCHER (object);
+
+ switch (prop_id)
+ {
+ case PROP_STACK:
+ gtk_stack_switcher_set_stack (switcher, g_value_get_object (value));
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_stack_switcher_dispose (GObject *object)
+{
+ GtkStackSwitcher *switcher = GTK_STACK_SWITCHER (object);
+
+ gtk_stack_switcher_set_stack (switcher, NULL);
+
+ G_OBJECT_CLASS (gtk_stack_switcher_parent_class)->dispose (object);
+}
+
+static void
+gtk_stack_switcher_class_init (GtkStackSwitcherClass *class)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (class);
+
+ object_class->get_property = gtk_stack_switcher_get_property;
+ object_class->set_property = gtk_stack_switcher_set_property;
+ object_class->dispose = gtk_stack_switcher_dispose;
+
+ g_object_class_install_property (object_class,
+ PROP_STACK,
+ g_param_spec_object ("stack",
+ P_("Stack"),
+ P_("Stack"),
+ GTK_TYPE_STACK,
+ GTK_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+
+ g_type_class_add_private (object_class, sizeof (GtkStackSwitcherPrivate));
+}
+
+GtkWidget *
+gtk_stack_switcher_new (void)
+{
+ return GTK_WIDGET (g_object_new (GTK_TYPE_STACK_SWITCHER, NULL));
+}
diff --git a/gtk/gtkstackswitcher.h b/gtk/gtkstackswitcher.h
new file mode 100644
index 0000000..76d93a9
--- /dev/null
+++ b/gtk/gtkstackswitcher.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2013 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __GTK_STACK_SWITCHER_H__
+#define __GTK_STACK_SWITCHER_H__
+
+#include "gtkstack.h"
+
+G_BEGIN_DECLS
+
+#define GTK_TYPE_STACK_SWITCHER (gtk_stack_switcher_get_type ())
+#define GTK_STACK_SWITCHER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_STACK_SWITCHER,
GtkStackSwitcher))
+#define GTK_STACK_SWITCHER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_STACK_SWITCHER,
GtkStackSwitcherClass))
+#define GTK_IS_STACK_SWITCHER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_STACK_SWITCHER))
+#define GTK_IS_STACK_SWITCHER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_STACK_SWITCHER))
+#define GTK_STACK_SWITCHER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_STACK_SWITCHER,
GtkStackSwitcherClass))
+
+typedef struct _GtkStackSwitcher GtkStackSwitcher;
+typedef struct _GtkStackSwitcherPrivate GtkStackSwitcherPrivate;
+typedef struct _GtkStackSwitcherClass GtkStackSwitcherClass;
+
+struct _GtkStackSwitcher
+{
+ GtkBox widget;
+
+ /*< private >*/
+ GtkStackSwitcherPrivate *priv;
+};
+
+struct _GtkStackSwitcherClass
+{
+ GtkBoxClass parent_class;
+
+ /* Padding for future expansion */
+ void (*_gtk_reserved1) (void);
+ void (*_gtk_reserved2) (void);
+ void (*_gtk_reserved3) (void);
+ void (*_gtk_reserved4) (void);
+};
+
+GType gtk_stack_switcher_get_type (void) G_GNUC_CONST;
+GtkWidget * gtk_stack_switcher_new (void);
+void gtk_stack_switcher_set_stack (GtkStackSwitcher *switcher,
+ GtkStack *stack);
+GtkStack * gtk_stack_switcher_get_stack (GtkStackSwitcher *switcher);
+
+G_END_DECLS
+
+#endif /* __GTK_STACK_SWITCHER_H__ */
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 74d88eb..8024a98 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -130,7 +130,8 @@ noinst_PROGRAMS = $(TEST_PROGS) \
testpixbuf-color \
testpixbuf-scale \
testgmenu \
- testlogout
+ testlogout \
+ teststack
if USE_X11
noinst_PROGRAMS += testerrors
@@ -254,6 +255,7 @@ testpixbuf_color_DEPENDENCIES = $(TEST_DEPS)
testpixbuf_scale_DEPENDENCIES = $(TEST_DEPS)
testgmenu_DEPENDENCIES = $(TEST_DEPS)
testlogout_DEPENDENCIES = $(TEST_DEPS)
+teststack_DEPENDENCIES = $(TEST_DEPS)
animated_resizing_SOURCES = \
animated-resizing.c \
@@ -452,6 +454,8 @@ testcolorchooser_SOURCES = testcolorchooser.c
testkineticscrolling_SOURCES = testkineticscrolling.c
+teststack_SOURCES = teststack.c
+
EXTRA_DIST += \
gradient1.png \
prop-editor.h \
diff --git a/tests/teststack.c b/tests/teststack.c
new file mode 100644
index 0000000..30837c6
--- /dev/null
+++ b/tests/teststack.c
@@ -0,0 +1,249 @@
+#include <gtk/gtk.h>
+
+GtkWidget *stack;
+GtkWidget *switcher;
+GtkWidget *w1;
+
+static void
+set_visible_child (GtkWidget *button, gpointer data)
+{
+ gtk_stack_set_visible_child (GTK_STACK (stack), GTK_WIDGET (data));
+}
+
+static void
+set_visible_child_name (GtkWidget *button, gpointer data)
+{
+ gtk_stack_set_visible_child_name (GTK_STACK (stack), (const char *)data);
+}
+
+static void
+toggle_homogeneous (GtkWidget *button, gpointer data)
+{
+ gboolean active = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button));
+ gtk_stack_set_homogeneous (GTK_STACK (stack), active);
+}
+
+static void
+toggle_icon_name (GtkWidget *button, gpointer data)
+{
+ gboolean active = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button));
+ gtk_container_child_set (GTK_CONTAINER (stack), w1,
+ "icon-name", active ? "edit-find-symbolic" : NULL,
+ NULL);
+}
+
+static void
+toggle_transitions (GtkWidget *combo, gpointer data)
+{
+ int id = gtk_combo_box_get_active (GTK_COMBO_BOX (combo));
+ gtk_stack_set_transition_type (GTK_STACK (stack), id);
+}
+
+static void
+on_back_button_clicked (GtkButton *button, GtkStack *stack)
+{
+ const gchar *seq[] = { "1", "2", "3" };
+ const gchar *vis;
+ gint i;
+
+ vis = gtk_stack_get_visible_child_name (stack);
+
+ for (i = 1; i < G_N_ELEMENTS (seq); i++)
+ {
+ if (g_str_equal (vis, seq[i]))
+ {
+ gtk_stack_set_transition_type (stack, GTK_STACK_TRANSITION_TYPE_SLIDE_RIGHT);
+ gtk_stack_set_visible_child_name (stack, seq[i - 1]);
+ break;
+ }
+ }
+}
+
+static void
+on_forward_button_clicked (GtkButton *button, GtkStack *stack)
+{
+ const gchar *seq[] = { "1", "2", "3" };
+ const gchar *vis;
+ gint i;
+
+ vis = gtk_stack_get_visible_child_name (stack);
+
+ for (i = 0; i < G_N_ELEMENTS (seq) - 1; i++)
+ {
+ if (g_str_equal (vis, seq[i]))
+ {
+ gtk_stack_set_transition_type (stack, GTK_STACK_TRANSITION_TYPE_SLIDE_LEFT);
+ gtk_stack_set_visible_child_name (stack, seq[i + 1]);
+ break;
+ }
+ }
+}
+
+static void
+update_back_button_sensitivity (GtkStack *stack, GParamSpec *pspec, GtkWidget *button)
+{
+ const gchar *vis;
+
+ vis = gtk_stack_get_visible_child_name (stack);
+ gtk_widget_set_sensitive (button, ! g_str_equal (vis, "1"));
+}
+
+static void
+update_forward_button_sensitivity (GtkStack *stack, GParamSpec *pspec, GtkWidget *button)
+{
+ const gchar *vis;
+
+ vis = gtk_stack_get_visible_child_name (stack);
+ gtk_widget_set_sensitive (button, ! g_str_equal (vis, "3"));
+}
+
+gint
+main (gint argc,
+ gchar ** argv)
+{
+ GtkWidget *window, *box, *button, *hbox, *combo;
+ GtkWidget *w2, *w3;
+ GtkListStore* store;
+ GtkWidget *tree_view;
+ GtkTreeViewColumn *column;
+ GtkCellRenderer *renderer;
+ GtkWidget *scrolled_win;
+ int i;
+ GtkTreeIter iter;
+
+ gtk_init (&argc, &argv);
+
+ window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+ gtk_widget_set_size_request (window, 300, 300);
+
+ box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
+ gtk_container_add (GTK_CONTAINER (window), box);
+
+ switcher = gtk_stack_switcher_new ();
+ gtk_box_pack_start (GTK_BOX (box), switcher, FALSE, FALSE, 0);
+
+ stack = gtk_stack_new ();
+
+ /* Make transitions longer so we can see that they work */
+ gtk_stack_set_transition_duration (GTK_STACK (stack), 500);
+
+ gtk_widget_set_halign (stack, GTK_ALIGN_START);
+ gtk_container_add (GTK_CONTAINER (box), stack);
+
+ gtk_stack_switcher_set_stack (GTK_STACK_SWITCHER (switcher), GTK_STACK (stack));
+
+ w1 = gtk_text_view_new ();
+ gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (w1)),
+ "This is a\nTest\nBalh!", -1);
+
+ gtk_container_add_with_properties (GTK_CONTAINER (stack), w1,
+ "name", "1",
+ "title", "1",
+ NULL);
+
+ w2 = gtk_button_new_with_label ("Gazoooooooooooooooonk");
+ gtk_container_add (GTK_CONTAINER (stack), w2);
+ gtk_container_child_set (GTK_CONTAINER (stack), w2,
+ "name", "2",
+ "title", "2",
+ NULL);
+
+
+ scrolled_win = gtk_scrolled_window_new (NULL, NULL);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win),
+ GTK_POLICY_AUTOMATIC,
+ GTK_POLICY_AUTOMATIC);
+ gtk_widget_set_size_request (scrolled_win, 100, 200);
+
+
+ store = gtk_list_store_new (1, G_TYPE_STRING);
+
+ for (i = 0; i < 40; i++)
+ gtk_list_store_insert_with_values (store, &iter, i, 0, "Testvalule", -1);
+
+ tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (store));
+
+ gtk_container_add (GTK_CONTAINER (scrolled_win), tree_view);
+ w3 = scrolled_win;
+
+ renderer = gtk_cell_renderer_text_new ();
+ column = gtk_tree_view_column_new_with_attributes ("Target", renderer,
+ "text", 0, NULL);
+ gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), column);
+
+ gtk_stack_add_titled (GTK_STACK (stack), w3, "3", "3");
+
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+ gtk_container_add (GTK_CONTAINER (box), hbox);
+
+ button = gtk_button_new_with_label ("1");
+ gtk_container_add (GTK_CONTAINER (hbox), button);
+ g_signal_connect (button, "clicked", (GCallback) set_visible_child, w1);
+
+ button = gtk_button_new_with_label ("2");
+ gtk_container_add (GTK_CONTAINER (hbox), button);
+ g_signal_connect (button, "clicked", (GCallback) set_visible_child, w2);
+
+ button = gtk_button_new_with_label ("3");
+ gtk_container_add (GTK_CONTAINER (hbox), button);
+ g_signal_connect (button, "clicked", (GCallback) set_visible_child, w3);
+
+ button = gtk_button_new_with_label ("1");
+ gtk_container_add (GTK_CONTAINER (hbox), button);
+ g_signal_connect (button, "clicked", (GCallback) set_visible_child_name, (gpointer) "1");
+
+ button = gtk_button_new_with_label ("2");
+ gtk_container_add (GTK_CONTAINER (hbox), button);
+ g_signal_connect (button, "clicked", (GCallback) set_visible_child_name, (gpointer) "2");
+
+ button = gtk_button_new_with_label ("3");
+ gtk_container_add (GTK_CONTAINER (hbox), button);
+ g_signal_connect (button, "clicked", (GCallback) set_visible_child_name, (gpointer) "3");
+
+ button = gtk_check_button_new_with_label ("homogeneous");
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button),
+ gtk_stack_get_homogeneous (GTK_STACK (stack)));
+ gtk_container_add (GTK_CONTAINER (hbox), button);
+ g_signal_connect (button, "clicked", (GCallback) toggle_homogeneous, NULL);
+
+ button = gtk_toggle_button_new_with_label ("Add icon");
+ g_signal_connect (button, "toggled", (GCallback) toggle_icon_name, NULL);
+ gtk_container_add (GTK_CONTAINER (hbox), button);
+
+ combo = gtk_combo_box_text_new ();
+ gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo),
+ "NONE");
+ gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo),
+ "CROSSFADE");
+ gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo),
+ "SLIDE_RIGHT");
+ gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo),
+ "SLIDE_LEFT");
+ gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 0);
+
+ gtk_container_add (GTK_CONTAINER (hbox), combo);
+ g_signal_connect (combo, "changed", (GCallback) toggle_transitions, NULL);
+
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+ gtk_container_add (GTK_CONTAINER (box), hbox);
+
+ button = gtk_button_new_with_label ("<");
+ g_signal_connect (button, "clicked", (GCallback) on_back_button_clicked, stack);
+ g_signal_connect (stack, "notify::visible-child-name",
+ (GCallback)update_back_button_sensitivity, button);
+ gtk_container_add (GTK_CONTAINER (hbox), button);
+
+ button = gtk_button_new_with_label (">");
+ gtk_container_add (GTK_CONTAINER (hbox), button);
+ g_signal_connect (button, "clicked", (GCallback) on_forward_button_clicked, stack);
+ g_signal_connect (stack, "notify::visible-child-name",
+ (GCallback)update_forward_button_sensitivity, button);
+
+
+ gtk_widget_show_all (window);
+ gtk_main ();
+
+ gtk_widget_destroy (window);
+
+ return 0;
+}
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