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-rw-r--r--gtk/gtktoolitemgroup.c2324
1 files changed, 2324 insertions, 0 deletions
diff --git a/gtk/gtktoolitemgroup.c b/gtk/gtktoolitemgroup.c
new file mode 100644
index 0000000000..5157f2340b
--- /dev/null
+++ b/gtk/gtktoolitemgroup.c
@@ -0,0 +1,2324 @@
+/* GtkToolPalette -- A tool palette with categories and DnD support
+ * Copyright (C) 2008 Openismus GmbH
+ *
+ * This library 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 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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 library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Authors:
+ * Mathias Hasselmann
+ * Jan Arne Petersen
+ */
+
+#include "gtktoolpaletteprivate.h"
+
+#include <gtk/gtk.h>
+#include <math.h>
+#include <string.h>
+
+#define P_(msgid) (msgid)
+
+#define ANIMATION_TIMEOUT 50
+#define ANIMATION_DURATION (ANIMATION_TIMEOUT * 4)
+#define DEFAULT_ANIMATION_STATE TRUE
+#define DEFAULT_EXPANDER_SIZE 16
+#define DEFAULT_HEADER_SPACING 2
+
+#define DEFAULT_NAME NULL
+#define DEFAULT_COLLAPSED FALSE
+#define DEFAULT_ELLIPSIZE PANGO_ELLIPSIZE_NONE
+
+/**
+ * SECTION:GtkToolItemGroup
+ * @short_description: A sub container used in a tool palette
+ * @include: gtktoolitemgroup.h
+ *
+ * An #GtkToolItemGroup is used together with #GtkToolPalette to add #GtkToolItem<!-- -->s to a palette like container
+ * with different categories and drag and drop support.
+ *
+ * Since: 2.18
+ */
+
+enum
+{
+ PROP_NONE,
+ PROP_NAME,
+ PROP_COLLAPSED,
+ PROP_ELLIPSIZE,
+ PROP_RELIEF
+};
+
+enum
+{
+ CHILD_PROP_NONE,
+ CHILD_PROP_HOMOGENEOUS,
+ CHILD_PROP_EXPAND,
+ CHILD_PROP_FILL,
+ CHILD_PROP_NEW_ROW,
+ CHILD_PROP_POSITION,
+};
+
+typedef struct _GtkToolItemGroupChild GtkToolItemGroupChild;
+
+struct _GtkToolItemGroupPrivate
+{
+ GtkWidget *header;
+
+ GList *children;
+
+ gboolean animation;
+ gint64 animation_start;
+ GSource *animation_timeout;
+ GtkExpanderStyle expander_style;
+ gint expander_size;
+ gint header_spacing;
+ PangoEllipsizeMode ellipsize;
+
+ gulong focus_set_id;
+ GtkWidget *toplevel;
+
+ GtkSettings *settings;
+ gulong settings_connection;
+
+ guint collapsed : 1;
+};
+
+struct _GtkToolItemGroupChild
+{
+ GtkToolItem *item;
+
+ guint homogeneous : 1;
+ guint expand : 1;
+ guint fill : 1;
+ guint new_row : 1;
+};
+
+static void gtk_tool_item_group_tool_shell_init (GtkToolShellIface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (GtkToolItemGroup, gtk_tool_item_group, GTK_TYPE_CONTAINER,
+G_IMPLEMENT_INTERFACE (GTK_TYPE_TOOL_SHELL, gtk_tool_item_group_tool_shell_init));
+
+static GtkWidget*
+gtk_tool_item_group_get_alignment (GtkToolItemGroup *group)
+{
+ return gtk_bin_get_child (GTK_BIN (group->priv->header));
+}
+
+static GtkWidget*
+gtk_tool_item_group_get_label (GtkToolItemGroup *group)
+{
+ GtkWidget *alignment = gtk_tool_item_group_get_alignment (group);
+ return gtk_bin_get_child (GTK_BIN (alignment));
+}
+
+static GtkOrientation
+gtk_tool_item_group_get_orientation (GtkToolShell *shell)
+{
+ GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (shell));
+
+ if (GTK_IS_TOOL_PALETTE (parent))
+ return gtk_tool_palette_get_orientation (GTK_TOOL_PALETTE (parent));
+
+ return GTK_ORIENTATION_VERTICAL;
+}
+
+static GtkToolbarStyle
+gtk_tool_item_group_get_style (GtkToolShell *shell)
+{
+ GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (shell));
+
+ if (GTK_IS_TOOL_PALETTE (parent))
+ return gtk_tool_palette_get_style (GTK_TOOL_PALETTE (parent));
+
+ return GTK_TOOLBAR_ICONS;
+}
+
+static GtkIconSize
+gtk_tool_item_group_get_icon_size (GtkToolShell *shell)
+{
+ GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (shell));
+
+ if (GTK_IS_TOOL_PALETTE (parent))
+ return gtk_tool_palette_get_icon_size (GTK_TOOL_PALETTE (parent));
+
+ return GTK_ICON_SIZE_SMALL_TOOLBAR;
+}
+
+#ifdef HAVE_EXTENDED_TOOL_SHELL_SUPPORT_BUG_535090
+
+static PangoEllipsizeMode
+gtk_tool_item_group_get_ellipsize_mode (GtkToolShell *shell)
+{
+ return GTK_TOOL_ITEM_GROUP (shell)->priv->ellipsize;
+}
+
+static gfloat
+gtk_tool_item_group_get_text_alignment (GtkToolShell *shell)
+{
+ if (GTK_TOOLBAR_TEXT == gtk_tool_item_group_get_style (shell) ||
+ GTK_TOOLBAR_BOTH_HORIZ == gtk_tool_item_group_get_style (shell))
+ return 0.0;
+
+ return 0.5;
+}
+
+static GtkOrientation
+gtk_tool_item_group_get_text_orientation (GtkToolShell *shell)
+{
+ GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (shell));
+
+ if (GTK_IS_TOOL_PALETTE (parent))
+ {
+ GtkOrientation orientation = gtk_tool_palette_get_orientation (GTK_TOOL_PALETTE (parent));
+ if (GTK_ORIENTATION_HORIZONTAL == orientation &&
+ (GTK_TOOLBAR_TEXT == gtk_tool_item_group_get_style (shell)/* ||
+ GTK_TOOLBAR_BOTH_HORIZ == gtk_tool_item_group_get_style (shell)*/))
+ return GTK_ORIENTATION_VERTICAL;
+ }
+
+ return GTK_ORIENTATION_HORIZONTAL;
+}
+
+static GtkSizeGroup *
+gtk_tool_item_group_get_text_size_group (GtkToolShell *shell)
+{
+ GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (shell));
+
+ if (GTK_IS_TOOL_PALETTE (parent))
+ return _gtk_tool_palette_get_size_group (GTK_TOOL_PALETTE (parent));
+
+ return NULL;
+}
+
+#endif
+
+static void
+animation_change_notify (GtkToolItemGroup *group)
+{
+ GtkSettings *settings = group->priv->settings;
+ gboolean animation;
+
+ if (settings)
+ g_object_get (settings,
+ "gtk-enable-animations", &animation,
+ NULL);
+ else
+ animation = DEFAULT_ANIMATION_STATE;
+
+ group->priv->animation = animation;
+}
+
+static void
+gtk_tool_item_group_settings_change_notify (GtkSettings *settings,
+ const GParamSpec *pspec,
+ GtkToolItemGroup *group)
+{
+ if (! strcmp (pspec->name, "gtk-enable-animations"))
+ {
+ animation_change_notify (group);
+ }
+}
+
+static void
+gtk_tool_item_group_screen_changed (GtkWidget *widget,
+ GdkScreen *previous_screen)
+{
+ GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (widget);
+ GtkToolItemGroupPrivate* priv = group->priv;
+ GtkSettings *old_settings = priv->settings;
+ GtkSettings *settings;
+
+ if (gtk_widget_has_screen (GTK_WIDGET (group)))
+ settings = gtk_widget_get_settings (GTK_WIDGET (group));
+ else
+ settings = NULL;
+
+ if (settings == old_settings)
+ return;
+
+ if (old_settings)
+ {
+ g_signal_handler_disconnect (old_settings, priv->settings_connection);
+ g_object_unref (old_settings);
+ }
+
+ if (settings)
+ {
+ priv->settings_connection =
+ g_signal_connect (settings, "notify",
+ G_CALLBACK (gtk_tool_item_group_settings_change_notify),
+ group);
+ priv->settings = g_object_ref (settings);
+ }
+ else
+ priv->settings = NULL;
+
+ animation_change_notify (group);
+}
+
+static void
+gtk_tool_item_group_tool_shell_init (GtkToolShellIface *iface)
+{
+ iface->get_icon_size = gtk_tool_item_group_get_icon_size;
+ iface->get_orientation = gtk_tool_item_group_get_orientation;
+ iface->get_style = gtk_tool_item_group_get_style;
+#ifdef HAVE_EXTENDED_TOOL_SHELL_SUPPORT_BUG_535090
+ iface->get_text_alignment = gtk_tool_item_group_get_text_alignment;
+ iface->get_text_orientation = gtk_tool_item_group_get_text_orientation;
+ iface->get_text_size_group = gtk_tool_item_group_get_text_size_group;
+ iface->get_ellipsize_mode = gtk_tool_item_group_get_ellipsize_mode;
+#endif
+}
+
+static gboolean
+gtk_tool_item_group_header_expose_event_cb (GtkWidget *widget,
+ GdkEventExpose *event,
+ gpointer data)
+{
+ GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (data);
+ GtkExpanderStyle expander_style;
+ GtkOrientation orientation;
+ gint x, y;
+ GtkTextDirection direction;
+
+ orientation = gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (group));
+ expander_style = group->priv->expander_style;
+ direction = gtk_widget_get_direction (widget);
+
+ if (GTK_ORIENTATION_VERTICAL == orientation)
+ {
+ if (GTK_TEXT_DIR_RTL == direction)
+ x = widget->allocation.x + widget->allocation.width - group->priv->expander_size / 2;
+ else
+ x = widget->allocation.x + group->priv->expander_size / 2;
+ y = widget->allocation.y + widget->allocation.height / 2;
+ }
+ else
+ {
+ x = widget->allocation.x + widget->allocation.width / 2;
+ y = widget->allocation.y + group->priv->expander_size / 2;
+
+ /* Unfortunatly gtk_paint_expander() doesn't support rotated drawing
+ * modes. Luckily the following shady arithmetics produce the desired
+ * result. */
+ expander_style = GTK_EXPANDER_EXPANDED - expander_style; /* XXX */
+ }
+
+ gtk_paint_expander (widget->style, widget->window,
+ group->priv->header->state,
+ &event->area, GTK_WIDGET (group),
+ "tool-palette-header", x, y,
+ expander_style);
+
+ return FALSE;
+}
+
+static void
+gtk_tool_item_group_header_size_request_cb (GtkWidget *widget G_GNUC_UNUSED,
+ GtkRequisition *requisition,
+ gpointer data)
+{
+ GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (data);
+ requisition->height = MAX (requisition->height, group->priv->expander_size);
+}
+
+static void
+gtk_tool_item_group_header_clicked_cb (GtkButton *button G_GNUC_UNUSED,
+ gpointer data)
+{
+ GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (data);
+ GtkWidget *parent = gtk_widget_get_parent (data);
+
+ if (group->priv->collapsed ||
+ !GTK_IS_TOOL_PALETTE (parent) ||
+ !gtk_tool_palette_get_exclusive (GTK_TOOL_PALETTE (parent), data))
+ gtk_tool_item_group_set_collapsed (group, !group->priv->collapsed);
+}
+
+static void
+gtk_tool_item_group_header_adjust_style (GtkToolItemGroup *group)
+{
+ GtkWidget *alignment = gtk_tool_item_group_get_alignment (group);
+ GtkWidget *label = gtk_bin_get_child (GTK_BIN (alignment));
+ GtkWidget *widget = GTK_WIDGET (group);
+ gint dx = 0, dy = 0;
+ GtkTextDirection direction = gtk_widget_get_direction (widget);
+
+ gtk_widget_style_get (widget,
+ "header-spacing", &group->priv->header_spacing,
+ "expander-size", &group->priv->expander_size,
+ NULL);
+
+ switch (gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (group)))
+ {
+ case GTK_ORIENTATION_HORIZONTAL:
+ dy = group->priv->header_spacing + group->priv->expander_size;
+ gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_NONE);
+ if (GTK_TEXT_DIR_RTL == direction)
+ gtk_label_set_angle (GTK_LABEL (label), -90);
+ else
+ gtk_label_set_angle (GTK_LABEL (label), 90);
+ break;
+
+ case GTK_ORIENTATION_VERTICAL:
+ dx = group->priv->header_spacing + group->priv->expander_size;
+ gtk_label_set_ellipsize (GTK_LABEL (label), group->priv->ellipsize);
+ gtk_label_set_angle (GTK_LABEL (label), 0);
+ break;
+ }
+
+ gtk_alignment_set_padding (GTK_ALIGNMENT (alignment), dy, 0, dx, 0);
+}
+
+static void
+gtk_tool_item_group_init (GtkToolItemGroup *group)
+{
+ GtkWidget *alignment;
+ GtkWidget *label;
+
+ gtk_widget_set_redraw_on_allocate (GTK_WIDGET (group), FALSE);
+
+ group->priv = G_TYPE_INSTANCE_GET_PRIVATE (group,
+ GTK_TYPE_TOOL_ITEM_GROUP,
+ GtkToolItemGroupPrivate);
+
+ group->priv->children = NULL;
+ group->priv->header_spacing = DEFAULT_HEADER_SPACING;
+ group->priv->expander_size = DEFAULT_EXPANDER_SIZE;
+ group->priv->expander_style = GTK_EXPANDER_EXPANDED;
+
+ label = gtk_label_new (NULL);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+ alignment = gtk_alignment_new (0.5, 0.5, 1.0, 1.0);
+ gtk_container_add (GTK_CONTAINER (alignment), label);
+ gtk_widget_show_all (alignment);
+
+ gtk_widget_push_composite_child ();
+ group->priv->header = gtk_button_new ();
+ gtk_widget_set_composite_name (group->priv->header, "header");
+ gtk_widget_pop_composite_child ();
+
+ g_object_ref_sink (group->priv->header);
+ gtk_button_set_focus_on_click (GTK_BUTTON (group->priv->header), FALSE);
+ gtk_container_add (GTK_CONTAINER (group->priv->header), alignment);
+ gtk_widget_set_parent (group->priv->header, GTK_WIDGET (group));
+
+ gtk_tool_item_group_header_adjust_style (group);
+
+ g_signal_connect_after (alignment, "expose-event",
+ G_CALLBACK (gtk_tool_item_group_header_expose_event_cb),
+ group);
+ g_signal_connect_after (alignment, "size-request",
+ G_CALLBACK (gtk_tool_item_group_header_size_request_cb),
+ group);
+
+ g_signal_connect (group->priv->header, "clicked",
+ G_CALLBACK (gtk_tool_item_group_header_clicked_cb),
+ group);
+}
+
+static void
+gtk_tool_item_group_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (object);
+
+ switch (prop_id)
+ {
+ case PROP_NAME:
+ gtk_tool_item_group_set_name (group, g_value_get_string (value));
+ break;
+
+ case PROP_COLLAPSED:
+ gtk_tool_item_group_set_collapsed (group, g_value_get_boolean (value));
+ break;
+
+ case PROP_ELLIPSIZE:
+ gtk_tool_item_group_set_ellipsize (group, g_value_get_enum (value));
+ break;
+ case PROP_RELIEF:
+ gtk_tool_item_group_set_header_relief (group, g_value_get_enum(value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_tool_item_group_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (object);
+
+ switch (prop_id)
+ {
+ case PROP_NAME:
+ g_value_set_string (value, gtk_tool_item_group_get_name (group));
+ break;
+
+ case PROP_COLLAPSED:
+ g_value_set_boolean (value, gtk_tool_item_group_get_collapsed (group));
+ break;
+
+ case PROP_ELLIPSIZE:
+ g_value_set_enum (value, gtk_tool_item_group_get_ellipsize (group));
+ break;
+
+ case PROP_RELIEF:
+ g_value_set_enum (value, gtk_tool_item_group_get_header_relief (group));
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_tool_item_group_finalize (GObject *object)
+{
+ GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (object);
+
+ if (group->priv->children)
+ {
+ g_list_free (group->priv->children);
+ group->priv->children = NULL;
+ }
+
+ G_OBJECT_CLASS (gtk_tool_item_group_parent_class)->finalize (object);
+}
+
+static void
+gtk_tool_item_group_dispose (GObject *object)
+{
+ GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (object);
+
+ if (group->priv->toplevel)
+ {
+ /* disconnect focus tracking handler */
+ g_signal_handler_disconnect (group->priv->toplevel,
+ group->priv->focus_set_id);
+
+ group->priv->focus_set_id = 0;
+ group->priv->toplevel = NULL;
+ }
+
+ G_OBJECT_CLASS (gtk_tool_item_group_parent_class)->dispose (object);
+}
+
+static void
+gtk_tool_item_group_get_item_size (GtkToolItemGroup *group,
+ GtkRequisition *item_size,
+ gboolean homogeneous_only,
+ gint *requested_rows)
+{
+ GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (group));
+
+ if (GTK_IS_TOOL_PALETTE (parent))
+ _gtk_tool_palette_get_item_size (GTK_TOOL_PALETTE (parent), item_size, homogeneous_only, requested_rows);
+ else
+ _gtk_tool_item_group_item_size_request (group, item_size, homogeneous_only, requested_rows);
+}
+
+static void
+gtk_tool_item_group_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
+{
+ const gint border_width = GTK_CONTAINER (widget)->border_width;
+ GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (widget);
+ GtkOrientation orientation;
+ GtkRequisition item_size;
+ gint requested_rows;
+
+ if (group->priv->children && gtk_tool_item_group_get_name (group))
+ {
+ gtk_widget_size_request (group->priv->header, requisition);
+ gtk_widget_show (group->priv->header);
+ }
+ else
+ {
+ requisition->width = requisition->height = 0;
+ gtk_widget_hide (group->priv->header);
+ }
+
+ gtk_tool_item_group_get_item_size (group, &item_size, FALSE, &requested_rows);
+
+ orientation = gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (group));
+
+ if (GTK_ORIENTATION_VERTICAL == orientation)
+ requisition->width = MAX (requisition->width, item_size.width);
+ else
+ requisition->height = MAX (requisition->height, item_size.height * requested_rows);
+
+ requisition->width += border_width * 2;
+ requisition->height += border_width * 2;
+}
+
+static gboolean
+gtk_tool_item_group_is_item_visible (GtkToolItemGroup *group,
+ GtkToolItemGroupChild *child)
+{
+ GtkToolbarStyle style;
+ GtkOrientation orientation;
+
+ orientation = gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (group));
+ style = gtk_tool_shell_get_style (GTK_TOOL_SHELL (group));
+
+ /* horizontal tool palettes with text style support only homogeneous items */
+ if (!child->homogeneous &&
+ GTK_ORIENTATION_HORIZONTAL == orientation &&
+ GTK_TOOLBAR_TEXT == style)
+ return FALSE;
+
+ return
+ (GTK_WIDGET_VISIBLE (child->item)) &&
+ (GTK_ORIENTATION_VERTICAL == orientation ?
+ gtk_tool_item_get_visible_vertical (child->item) :
+ gtk_tool_item_get_visible_horizontal (child->item));
+}
+
+static inline unsigned
+udiv (unsigned x,
+ unsigned y)
+{
+ return (x + y - 1) / y;
+}
+
+static void
+gtk_tool_item_group_real_size_query (GtkWidget *widget,
+ GtkAllocation *allocation,
+ GtkRequisition *inquery)
+{
+ const gint border_width = GTK_CONTAINER (widget)->border_width;
+ GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (widget);
+
+ GtkRequisition item_size;
+ GtkAllocation item_area;
+
+ GtkOrientation orientation;
+ GtkToolbarStyle style;
+
+ gint min_rows;
+
+ orientation = gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (group));
+ style = gtk_tool_shell_get_style (GTK_TOOL_SHELL (group));
+
+ /* figure out the size of homogeneous items */
+ gtk_tool_item_group_get_item_size (group, &item_size, TRUE, &min_rows);
+
+ if (GTK_ORIENTATION_VERTICAL == orientation)
+ item_size.width = MIN (item_size.width, allocation->width);
+ else
+ item_size.height = MIN (item_size.height, allocation->height);
+
+ item_area.width = 0;
+ item_area.height = 0;
+
+ /* figure out the required columns (n_columns) and rows (n_rows) to place all items */
+ if (!group->priv->collapsed || !group->priv->animation || group->priv->animation_timeout)
+ {
+ guint n_columns;
+ gint n_rows;
+ GList *it;
+
+ if (GTK_ORIENTATION_VERTICAL == orientation)
+ {
+ gboolean new_row = FALSE;
+ gint row = -1;
+ guint col = 0;
+
+ item_area.width = allocation->width - 2 * border_width;
+ n_columns = MAX (item_area.width / item_size.width, 1);
+
+ /* calculate required rows for n_columns columns */
+ for (it = group->priv->children; it != NULL; it = it->next)
+ {
+ GtkToolItemGroupChild *child = it->data;
+
+ if (!gtk_tool_item_group_is_item_visible (group, child))
+ continue;
+
+ if (new_row || child->new_row)
+ {
+ new_row = FALSE;
+ row++;
+ col = 0;
+ }
+
+ if (child->expand)
+ new_row = TRUE;
+
+ if (child->homogeneous)
+ {
+ col++;
+ if (col >= n_columns)
+ new_row = TRUE;
+ }
+ else
+ {
+ GtkRequisition req = {0, 0};
+ guint width;
+
+ gtk_widget_size_request (GTK_WIDGET (child->item), &req);
+
+ width = udiv (req.width, item_size.width);
+ col += width;
+
+ if (col > n_columns)
+ row++;
+
+ col = width;
+
+ if (col >= n_columns)
+ new_row = TRUE;
+ }
+ }
+ n_rows = row + 2;
+ }
+ else
+ {
+ guint *row_min_width;
+ gint row = -1;
+ gboolean new_row = TRUE;
+ guint col = 0, min_col, max_col = 0, all_items = 0;
+ gint i;
+
+ item_area.height = allocation->height - 2 * border_width;
+ n_rows = MAX (item_area.height / item_size.height, min_rows);
+
+ row_min_width = g_new0 (guint, n_rows);
+
+ /* calculate minimal and maximal required cols and minimal required rows */
+ for (it = group->priv->children; it != NULL; it = it->next)
+ {
+ GtkToolItemGroupChild *child = it->data;
+
+ if (!gtk_tool_item_group_is_item_visible (group, child))
+ continue;
+
+ if (new_row || child->new_row)
+ {
+ new_row = FALSE;
+ row++;
+ col = 0;
+ row_min_width[row] = 1;
+ }
+
+ if (child->expand)
+ new_row = TRUE;
+
+ if (child->homogeneous)
+ {
+ col++;
+ all_items++;
+ }
+ else
+ {
+ GtkRequisition req = {0, 0};
+ guint width;
+
+ gtk_widget_size_request (GTK_WIDGET (child->item), &req);
+
+ width = udiv (req.width, item_size.width);
+
+ col += width;
+ all_items += width;
+
+ row_min_width[row] = MAX (row_min_width[row], width);
+ }
+
+ max_col = MAX (max_col, col);
+ }
+
+ /* calculate minimal required cols */
+ min_col = udiv (all_items, n_rows);
+
+ for (i = 0; i <= row; i++)
+ {
+ min_col = MAX (min_col, row_min_width[i]);
+ }
+
+ /* simple linear search for minimal required columns for the given maximal number of rows (n_rows) */
+ for (n_columns = min_col; n_columns < max_col; n_columns ++)
+ {
+ new_row = TRUE;
+ row = -1;
+ /* calculate required rows for n_columns columns */
+ for (it = group->priv->children; it != NULL; it = it->next)
+ {
+ GtkToolItemGroupChild *child = it->data;
+
+ if (!gtk_tool_item_group_is_item_visible (group, child))
+ continue;
+
+ if (new_row || child->new_row)
+ {
+ new_row = FALSE;
+ row++;
+ col = 0;
+ }
+
+ if (child->expand)
+ new_row = TRUE;
+
+ if (child->homogeneous)
+ {
+ col++;
+ if (col >= n_columns)
+ new_row = TRUE;
+ }
+ else
+ {
+ GtkRequisition req = {0, 0};
+ guint width;
+
+ gtk_widget_size_request (GTK_WIDGET (child->item), &req);
+
+ width = udiv (req.width, item_size.width);
+ col += width;
+
+ if (col > n_columns)
+ row++;
+
+ col = width;
+
+ if (col >= n_columns)
+ new_row = TRUE;
+ }
+ }
+
+ if (row < n_rows)
+ break;
+ }
+ }
+
+ item_area.width = item_size.width * n_columns;
+ item_area.height = item_size.height * n_rows;
+ }
+
+ inquery->width = 0;
+ inquery->height = 0;
+
+ /* figure out header widget size */
+ if (GTK_WIDGET_VISIBLE (group->priv->header))
+ {
+ GtkRequisition child_requisition;
+
+ gtk_widget_size_request (group->priv->header, &child_requisition);
+
+ if (GTK_ORIENTATION_VERTICAL == orientation)
+ inquery->height += child_requisition.height;
+ else
+ inquery->width += child_requisition.width;
+ }
+
+ /* report effective widget size */
+ inquery->width += item_area.width + 2 * border_width;
+ inquery->height += item_area.height + 2 * border_width;
+}
+
+static void
+gtk_tool_item_group_real_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ const gint border_width = GTK_CONTAINER (widget)->border_width;
+ GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (widget);
+ GtkRequisition child_requisition;
+ GtkAllocation child_allocation;
+
+ GtkRequisition item_size;
+ GtkAllocation item_area;
+
+ GtkOrientation orientation;
+ GtkToolbarStyle style;
+
+ GList *it;
+
+ gint n_columns, n_rows = 1;
+ gint min_rows;
+
+ GtkTextDirection direction = gtk_widget_get_direction (widget);
+
+ orientation = gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (group));
+ style = gtk_tool_shell_get_style (GTK_TOOL_SHELL (group));
+
+ /* chain up */
+ GTK_WIDGET_CLASS (gtk_tool_item_group_parent_class)->size_allocate (widget, allocation);
+
+ child_allocation.x = border_width;
+ child_allocation.y = border_width;
+
+ /* place the header widget */
+ if (GTK_WIDGET_VISIBLE (group->priv->header))
+ {
+ gtk_widget_size_request (group->priv->header, &child_requisition);
+
+ if (GTK_ORIENTATION_VERTICAL == orientation)
+ {
+ child_allocation.width = allocation->width;
+ child_allocation.height = child_requisition.height;
+ }
+ else
+ {
+ child_allocation.width = child_requisition.width;
+ child_allocation.height = allocation->height;
+
+ if (GTK_TEXT_DIR_RTL == direction)
+ child_allocation.x = allocation->width - border_width - child_allocation.width;
+ }
+
+ gtk_widget_size_allocate (group->priv->header, &child_allocation);
+
+ if (GTK_ORIENTATION_VERTICAL == orientation)
+ child_allocation.y += child_allocation.height;
+ else if (GTK_TEXT_DIR_RTL != direction)
+ child_allocation.x += child_allocation.width;
+ else
+ child_allocation.x = border_width;
+ }
+ else
+ child_requisition.width = child_requisition.height = 0;
+
+ /* figure out the size of homogeneous items */
+ gtk_tool_item_group_get_item_size (group, &item_size, TRUE, &min_rows);
+
+ /* figure out the available columns and size of item_area */
+ if (GTK_ORIENTATION_VERTICAL == orientation)
+ {
+ item_size.width = MIN (item_size.width, allocation->width);
+
+ item_area.width = allocation->width - 2 * border_width;
+ item_area.height = allocation->height - 2 * border_width - child_requisition.height;
+
+ n_columns = MAX (item_area.width / item_size.width, 1);
+
+ item_size.width = item_area.width / n_columns;
+ }
+ else
+ {
+ item_size.height = MIN (item_size.height, allocation->height);
+
+ item_area.width = allocation->width - 2 * border_width - child_requisition.width;
+ item_area.height = allocation->height - 2 * border_width;
+
+ n_columns = MAX (item_area.width / item_size.width, 1);
+ n_rows = MAX (item_area.height / item_size.height, min_rows);
+
+ item_size.height = item_area.height / n_rows;
+ }
+
+ item_area.x = child_allocation.x;
+ item_area.y = child_allocation.y;
+
+ /* when expanded or in transition, place the tool items in a grid like layout */
+ if (!group->priv->collapsed || !group->priv->animation || group->priv->animation_timeout)
+ {
+ gint col = 0, row = 0;
+
+ for (it = group->priv->children; it != NULL; it = it->next)
+ {
+ GtkToolItemGroupChild *child = it->data;
+ gint col_child;
+
+ if (!gtk_tool_item_group_is_item_visible (group, child))
+ {
+ gtk_widget_set_child_visible (GTK_WIDGET (child->item), FALSE);
+
+ continue;
+ }
+
+ /* for non homogeneous widgets request the required size */
+ child_requisition.width = 0;
+
+ if (!child->homogeneous)
+ {
+ gtk_widget_size_request (GTK_WIDGET (child->item), &child_requisition);
+ child_requisition.width = MIN (child_requisition.width, item_area.width);
+ }
+
+ /* select next row if at end of row */
+ if (col > 0 && (child->new_row || (col * item_size.width) + MAX (child_requisition.width, item_size.width) > item_area.width))
+ {
+ row++;
+ col = 0;
+ child_allocation.y += child_allocation.height;
+ }
+
+ col_child = col;
+
+ /* calculate the position and size of the item */
+ if (!child->homogeneous)
+ {
+ gint col_width;
+ gint width;
+
+ if (!child->expand)
+ col_width = udiv (child_requisition.width, item_size.width);
+ else
+ col_width = n_columns - col;
+
+ width = col_width * item_size.width;
+
+ if (GTK_TEXT_DIR_RTL == direction)
+ col_child = (n_columns - col - col_width);
+
+ if (child->fill)
+ {
+ child_allocation.x = item_area.x + col_child * item_size.width;
+ child_allocation.width = width;
+ }
+ else
+ {
+ child_allocation.x =
+ (item_area.x + col_child * item_size.width +
+ (width - child_requisition.width) / 2);
+ child_allocation.width = child_requisition.width;
+ }
+
+ col += col_width;
+ }
+ else
+ {
+ if (GTK_TEXT_DIR_RTL == direction)
+ col_child = (n_columns - col - 1);
+
+ child_allocation.x = item_area.x + col_child * item_size.width;
+ child_allocation.width = item_size.width;
+
+ col++;
+ }
+
+ child_allocation.height = item_size.height;
+
+ gtk_widget_size_allocate (GTK_WIDGET (child->item), &child_allocation);
+ gtk_widget_set_child_visible (GTK_WIDGET (child->item), TRUE);
+ }
+
+ child_allocation.y += item_size.height;
+ }
+
+ /* or just hide all items, when collapsed */
+
+ else
+ {
+ for (it = group->priv->children; it != NULL; it = it->next)
+ {
+ GtkToolItemGroupChild *child = it->data;
+
+ gtk_widget_set_child_visible (GTK_WIDGET (child->item), FALSE);
+ }
+ }
+}
+
+static void
+gtk_tool_item_group_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ gtk_tool_item_group_real_size_allocate (widget, allocation);
+
+ if (GTK_WIDGET_MAPPED (widget))
+ gdk_window_invalidate_rect (widget->window, NULL, FALSE);
+}
+
+static void
+gtk_tool_item_group_set_focus_cb (GtkWidget *window G_GNUC_UNUSED,
+ GtkWidget *widget,
+ gpointer user_data)
+{
+ GtkAdjustment *adjustment;
+ GtkWidget *p;
+
+ /* Find this group's parent widget in the focused widget's anchestry. */
+ for (p = widget; p; p = gtk_widget_get_parent (p))
+ if (p == user_data)
+ {
+ p = gtk_widget_get_parent (p);
+ break;
+ }
+
+ if (GTK_IS_TOOL_PALETTE (p))
+ {
+ /* Check that the focused widgets is fully visible within
+ * the group's parent widget and make it visible otherwise. */
+
+ adjustment = gtk_tool_palette_get_hadjustment (GTK_TOOL_PALETTE (p));
+ adjustment = gtk_tool_palette_get_vadjustment (GTK_TOOL_PALETTE (p));
+
+ if (adjustment)
+ {
+ int y;
+
+ /* Handle vertical adjustment. */
+ if (gtk_widget_translate_coordinates
+ (widget, p, 0, 0, NULL, &y) && y < 0)
+ {
+ y += adjustment->value;
+ gtk_adjustment_clamp_page (adjustment, y, y + widget->allocation.height);
+ }
+ else if (gtk_widget_translate_coordinates
+ (widget, p, 0, widget->allocation.height, NULL, &y) &&
+ y > p->allocation.height)
+ {
+ y += adjustment->value;
+ gtk_adjustment_clamp_page (adjustment, y - widget->allocation.height, y);
+ }
+ }
+
+ adjustment = gtk_tool_palette_get_hadjustment (GTK_TOOL_PALETTE (p));
+
+ if (adjustment)
+ {
+ int x;
+
+ /* Handle horizontal adjustment. */
+ if (gtk_widget_translate_coordinates
+ (widget, p, 0, 0, &x, NULL) && x < 0)
+ {
+ x += adjustment->value;
+ gtk_adjustment_clamp_page (adjustment, x, x + widget->allocation.width);
+ }
+ else if (gtk_widget_translate_coordinates
+ (widget, p, widget->allocation.width, 0, &x, NULL) &&
+ x > p->allocation.width)
+ {
+ x += adjustment->value;
+ gtk_adjustment_clamp_page (adjustment, x - widget->allocation.width, x);
+ }
+
+ return;
+ }
+ }
+}
+
+static void
+gtk_tool_item_group_set_toplevel_window (GtkToolItemGroup *group,
+ GtkWidget *toplevel)
+{
+ if (toplevel != group->priv->toplevel)
+ {
+ if (group->priv->toplevel)
+ {
+ /* Disconnect focus tracking handler. */
+ g_signal_handler_disconnect (group->priv->toplevel,
+ group->priv->focus_set_id);
+
+ group->priv->focus_set_id = 0;
+ group->priv->toplevel = NULL;
+ }
+
+ if (toplevel)
+ {
+ /* Install focus tracking handler. We connect to the window's
+ * set-focus signal instead of connecting to the focus signal of
+ * each child to:
+ *
+ * 1) Reduce the number of signal handlers used.
+ * 2) Avoid special handling for group headers.
+ * 3) Catch focus grabs not only for direct children,
+ * but also for nested widgets.
+ */
+ group->priv->focus_set_id =
+ g_signal_connect (toplevel, "set-focus",
+ G_CALLBACK (gtk_tool_item_group_set_focus_cb),
+ group);
+
+ group->priv->toplevel = toplevel;
+ }
+ }
+}
+
+static void
+gtk_tool_item_group_realize (GtkWidget *widget)
+{
+ GtkWidget *toplevel_window;
+ const gint border_width = GTK_CONTAINER (widget)->border_width;
+ gint attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
+ GdkWindowAttr attributes;
+ GdkDisplay *display;
+
+ attributes.window_type = GDK_WINDOW_CHILD;
+ attributes.x = widget->allocation.x + border_width;
+ attributes.y = widget->allocation.y + border_width;
+ attributes.width = widget->allocation.width - border_width * 2;
+ attributes.height = widget->allocation.height - border_width * 2;
+ attributes.wclass = GDK_INPUT_OUTPUT;
+ attributes.visual = gtk_widget_get_visual (widget);
+ attributes.colormap = gtk_widget_get_colormap (widget);
+ attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK
+ | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
+ | GDK_BUTTON_MOTION_MASK;
+
+ widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
+ &attributes, attributes_mask);
+
+ display = gdk_drawable_get_display (widget->window);
+
+ if (gdk_display_supports_composite (display))
+ gdk_window_set_composited (widget->window, TRUE);
+
+ gdk_window_set_user_data (widget->window, widget);
+ widget->style = gtk_style_attach (widget->style, widget->window);
+ gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
+ GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
+
+ gtk_container_forall (GTK_CONTAINER (widget),
+ (GtkCallback) gtk_widget_set_parent_window,
+ widget->window);
+
+ gtk_widget_queue_resize_no_redraw (widget);
+
+ toplevel_window = gtk_widget_get_ancestor (widget, GTK_TYPE_WINDOW);
+ gtk_tool_item_group_set_toplevel_window (GTK_TOOL_ITEM_GROUP (widget),
+ toplevel_window);
+}
+
+static void
+gtk_tool_item_group_unrealize (GtkWidget *widget)
+{
+ gtk_tool_item_group_set_toplevel_window (GTK_TOOL_ITEM_GROUP (widget), NULL);
+ GTK_WIDGET_CLASS (gtk_tool_item_group_parent_class)->unrealize (widget);
+}
+
+static void
+gtk_tool_item_group_style_set (GtkWidget *widget,
+ GtkStyle *previous_style)
+{
+ gtk_tool_item_group_header_adjust_style (GTK_TOOL_ITEM_GROUP (widget));
+ GTK_WIDGET_CLASS (gtk_tool_item_group_parent_class)->style_set (widget, previous_style);
+}
+
+static void
+gtk_tool_item_group_add (GtkContainer *container,
+ GtkWidget *widget)
+{
+ g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (container));
+ g_return_if_fail (GTK_IS_TOOL_ITEM (widget));
+
+ gtk_tool_item_group_insert (GTK_TOOL_ITEM_GROUP (container),
+ GTK_TOOL_ITEM (widget), -1);
+}
+
+static void
+gtk_tool_item_group_remove (GtkContainer *container,
+ GtkWidget *child)
+{
+ GtkToolItemGroup *group;
+ GList *it;
+
+ g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (container));
+ group = GTK_TOOL_ITEM_GROUP (container);
+
+ for (it = group->priv->children; it != NULL; it = it->next)
+ {
+ GtkToolItemGroupChild *child_info = it->data;
+
+ if ((GtkWidget *)child_info->item == child)
+ {
+ g_object_unref (child);
+ gtk_widget_unparent (child);
+
+ g_free (child_info);
+ group->priv->children = g_list_delete_link (group->priv->children, it);
+
+ gtk_widget_queue_resize (GTK_WIDGET (container));
+ break;
+ }
+ }
+}
+
+static void
+gtk_tool_item_group_forall (GtkContainer *container,
+ gboolean internals,
+ GtkCallback callback,
+ gpointer callback_data)
+{
+ GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (container);
+ GList *children;
+
+ if (internals && group->priv->header)
+ callback (group->priv->header, callback_data);
+
+ children = group->priv->children;
+ while (children)
+ {
+ GtkToolItemGroupChild *child = children->data;
+ children = children->next; /* store pointer before call to callback
+ because the child pointer is invalid if the
+ child->item is removed from the item group
+ in callback */
+
+ callback (GTK_WIDGET (child->item), callback_data);
+ }
+}
+
+static GType
+gtk_tool_item_group_child_type (GtkContainer *container G_GNUC_UNUSED)
+{
+ return GTK_TYPE_TOOL_ITEM;
+}
+
+static GtkToolItemGroupChild *
+gtk_tool_item_group_get_child (GtkToolItemGroup *group,
+ GtkToolItem *item,
+ gint *position,
+ GList **link)
+{
+ guint i;
+ GList *it;
+
+ g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), NULL);
+ g_return_val_if_fail (GTK_IS_TOOL_ITEM (item), NULL);
+
+ for (it = group->priv->children, i = 0; it != NULL; it = it->next, ++i)
+ {
+ GtkToolItemGroupChild *child = it->data;
+
+ if (child->item == item)
+ {
+ if (position)
+ *position = i;
+
+ if (link)
+ *link = it;
+
+ return child;
+ }
+ }
+
+ return NULL;
+}
+
+static void
+gtk_tool_item_group_get_item_packing (GtkToolItemGroup *group,
+ GtkToolItem *item,
+ gboolean *homogeneous,
+ gboolean *expand,
+ gboolean *fill,
+ gboolean *new_row)
+{
+ GtkToolItemGroupChild *child;
+
+ g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
+ g_return_if_fail (GTK_IS_TOOL_ITEM (item));
+
+ child = gtk_tool_item_group_get_child (group, item, NULL, NULL);
+ if (!child)
+ return;
+
+ if (expand)
+ *expand = child->expand;
+
+ if (homogeneous)
+ *homogeneous = child->homogeneous;
+
+ if (fill)
+ *fill = child->fill;
+
+ if (new_row)
+ *new_row = child->new_row;
+}
+
+static void
+gtk_tool_item_group_set_item_packing (GtkToolItemGroup *group,
+ GtkToolItem *item,
+ gboolean homogeneous,
+ gboolean expand,
+ gboolean fill,
+ gboolean new_row)
+{
+ GtkToolItemGroupChild *child;
+ gboolean changed = FALSE;
+
+ g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
+ g_return_if_fail (GTK_IS_TOOL_ITEM (item));
+
+ child = gtk_tool_item_group_get_child (group, item, NULL, NULL);
+ if (!child)
+ return;
+
+ gtk_widget_freeze_child_notify (GTK_WIDGET (item));
+
+ if (child->homogeneous != homogeneous)
+ {
+ child->homogeneous = homogeneous;
+ changed = TRUE;
+ gtk_widget_child_notify (GTK_WIDGET (item), "homogeneous");
+ }
+ if (child->expand != expand)
+ {
+ child->expand = expand;
+ changed = TRUE;
+ gtk_widget_child_notify (GTK_WIDGET (item), "expand");
+ }
+ if (child->fill != fill)
+ {
+ child->fill = fill;
+ changed = TRUE;
+ gtk_widget_child_notify (GTK_WIDGET (item), "fill");
+ }
+ if (child->new_row != new_row)
+ {
+ child->new_row = new_row;
+ changed = TRUE;
+ gtk_widget_child_notify (GTK_WIDGET (item), "new-row");
+ }
+
+ gtk_widget_thaw_child_notify (GTK_WIDGET (item));
+
+ if (changed && GTK_WIDGET_VISIBLE (group) && GTK_WIDGET_VISIBLE (item))
+ gtk_widget_queue_resize (GTK_WIDGET (group));
+}
+
+static void
+gtk_tool_item_group_set_child_property (GtkContainer *container,
+ GtkWidget *child,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (container);
+ GtkToolItem *item = GTK_TOOL_ITEM (child);
+ gboolean homogeneous, expand, fill, new_row;
+
+ if (prop_id != CHILD_PROP_POSITION)
+ gtk_tool_item_group_get_item_packing (group, item,
+ &homogeneous,
+ &expand,
+ &fill,
+ &new_row);
+
+ switch (prop_id)
+ {
+ case CHILD_PROP_HOMOGENEOUS:
+ gtk_tool_item_group_set_item_packing (group, item,
+ g_value_get_boolean (value),
+ expand,
+ fill,
+ new_row);
+ break;
+
+ case CHILD_PROP_EXPAND:
+ gtk_tool_item_group_set_item_packing (group, item,
+ homogeneous,
+ g_value_get_boolean (value),
+ fill,
+ new_row);
+ break;
+
+ case CHILD_PROP_FILL:
+ gtk_tool_item_group_set_item_packing (group, item,
+ homogeneous,
+ expand,
+ g_value_get_boolean (value),
+ new_row);
+ break;
+
+ case CHILD_PROP_NEW_ROW:
+ gtk_tool_item_group_set_item_packing (group, item,
+ homogeneous,
+ expand,
+ fill,
+ g_value_get_boolean (value));
+ break;
+
+ case CHILD_PROP_POSITION:
+ gtk_tool_item_group_set_item_position (group, item, g_value_get_int (value));
+ break;
+
+ default:
+ GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_tool_item_group_get_child_property (GtkContainer *container,
+ GtkWidget *child,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (container);
+ GtkToolItem *item = GTK_TOOL_ITEM (child);
+ gboolean homogeneous, expand, fill, new_row;
+
+ if (prop_id != CHILD_PROP_POSITION)
+ gtk_tool_item_group_get_item_packing (group, item,
+ &homogeneous,
+ &expand,
+ &fill,
+ &new_row);
+
+ switch (prop_id)
+ {
+ case CHILD_PROP_HOMOGENEOUS:
+ g_value_set_boolean (value, homogeneous);
+ break;
+
+ case CHILD_PROP_EXPAND:
+ g_value_set_boolean (value, expand);
+ break;
+
+ case CHILD_PROP_FILL:
+ g_value_set_boolean (value, fill);
+ break;
+
+ case CHILD_PROP_NEW_ROW:
+ g_value_set_boolean (value, new_row);
+ break;
+
+ case CHILD_PROP_POSITION:
+ g_value_set_int (value, gtk_tool_item_group_get_item_position (group, item));
+ break;
+
+ default:
+ GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_tool_item_group_class_init (GtkToolItemGroupClass *cls)
+{
+ GObjectClass *oclass = G_OBJECT_CLASS (cls);
+ GtkWidgetClass *wclass = GTK_WIDGET_CLASS (cls);
+ GtkContainerClass *cclass = GTK_CONTAINER_CLASS (cls);
+
+ oclass->set_property = gtk_tool_item_group_set_property;
+ oclass->get_property = gtk_tool_item_group_get_property;
+ oclass->finalize = gtk_tool_item_group_finalize;
+ oclass->dispose = gtk_tool_item_group_dispose;
+
+ wclass->size_request = gtk_tool_item_group_size_request;
+ wclass->size_allocate = gtk_tool_item_group_size_allocate;
+ wclass->realize = gtk_tool_item_group_realize;
+ wclass->unrealize = gtk_tool_item_group_unrealize;
+ wclass->style_set = gtk_tool_item_group_style_set;
+ wclass->screen_changed = gtk_tool_item_group_screen_changed;
+
+ cclass->add = gtk_tool_item_group_add;
+ cclass->remove = gtk_tool_item_group_remove;
+ cclass->forall = gtk_tool_item_group_forall;
+ cclass->child_type = gtk_tool_item_group_child_type;
+ cclass->set_child_property = gtk_tool_item_group_set_child_property;
+ cclass->get_child_property = gtk_tool_item_group_get_child_property;
+
+ g_object_class_install_property (oclass, PROP_NAME,
+ g_param_spec_string ("name",
+ P_("Name"),
+ P_("The name of this item group"),
+ DEFAULT_NAME,
+ G_PARAM_READWRITE | G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
+
+ g_object_class_install_property (oclass, PROP_COLLAPSED,
+ g_param_spec_boolean ("collapsed",
+ P_("Collapsed"),
+ P_("Wether the group has been collapsed and items are hidden"),
+ DEFAULT_COLLAPSED,
+ G_PARAM_READWRITE | G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
+
+ g_object_class_install_property (oclass, PROP_ELLIPSIZE,
+ g_param_spec_enum ("ellipsize",
+ P_("ellipsize"),
+ P_("Ellipsize for item group headers"),
+ PANGO_TYPE_ELLIPSIZE_MODE, DEFAULT_ELLIPSIZE,
+ G_PARAM_READWRITE | G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
+
+ g_object_class_install_property (oclass, PROP_ELLIPSIZE,
+ g_param_spec_enum ("header-relief",
+ P_("header-relif"),
+ P_("Relief of the group header button"),
+ GTK_TYPE_RELIEF_STYLE, GTK_RELIEF_NORMAL,
+ G_PARAM_READWRITE | G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
+
+ gtk_widget_class_install_style_property (wclass,
+ g_param_spec_int ("expander-size",
+ P_("Expander Size"),
+ P_("Size of the expander arrow"),
+ 0,
+ G_MAXINT,
+ DEFAULT_EXPANDER_SIZE,
+ G_PARAM_READABLE | G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
+
+ gtk_widget_class_install_style_property (wclass,
+ g_param_spec_int ("header-spacing",
+ P_("Header Spacing"),
+ P_("Spacing between expander arrow and caption"),
+ 0,
+ G_MAXINT,
+ DEFAULT_HEADER_SPACING,
+ G_PARAM_READABLE | G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
+
+ gtk_container_class_install_child_property (cclass, CHILD_PROP_HOMOGENEOUS,
+ g_param_spec_boolean ("homogeneous",
+ P_("Homogeneous"),
+ P_("Whether the item should be the same size as other homogeneous items"),
+ TRUE,
+ G_PARAM_READWRITE | G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
+
+ gtk_container_class_install_child_property (cclass, CHILD_PROP_EXPAND,
+ g_param_spec_boolean ("expand",
+ P_("Expand"),
+ P_("Whether the item should receive extra space when the toolbar grows"),
+ FALSE,
+ G_PARAM_READWRITE | G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
+
+ gtk_container_class_install_child_property (cclass, CHILD_PROP_FILL,
+ g_param_spec_boolean ("fill",
+ P_("Fill"),
+ P_("Whether the item should fill the avaiable space"),
+ TRUE,
+ G_PARAM_READWRITE | G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
+
+ gtk_container_class_install_child_property (cclass, CHILD_PROP_NEW_ROW,
+ g_param_spec_boolean ("new-row",
+ P_("New Row"),
+ P_("Whether the item should start a new row"),
+ FALSE,
+ G_PARAM_READWRITE | G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
+
+ gtk_container_class_install_child_property (cclass, CHILD_PROP_POSITION,
+ g_param_spec_int ("position",
+ P_("Position"),
+ P_("Position of the item within this group"),
+ 0,
+ G_MAXINT,
+ 0,
+ G_PARAM_READWRITE | G_PARAM_STATIC_NAME |
+ G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
+
+ g_type_class_add_private (cls, sizeof (GtkToolItemGroupPrivate));
+}
+
+/**
+ * gtk_tool_item_group_new:
+ * @name: the name of the new group.
+ *
+ * Creates a new tool item group with name @name.
+ *
+ * Returns: a new #GtkToolItemGroup.
+ *
+ * Since: 2.18
+ */
+GtkWidget*
+gtk_tool_item_group_new (const gchar *name)
+{
+ return g_object_new (GTK_TYPE_TOOL_ITEM_GROUP, "name", name, NULL);
+}
+
+/**
+ * gtk_tool_item_group_set_name:
+ * @group: an #GtkToolItemGroup.
+ * @name: the new name of of the group.
+ *
+ * Sets the name of the tool item group. The name is displayed in the header
+ * of the group.
+ *
+ * Since: 2.18
+ */
+void
+gtk_tool_item_group_set_name (GtkToolItemGroup *group,
+ const gchar *name)
+{
+ const gchar *current_name;
+ GtkWidget *label;
+
+ g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
+ current_name = gtk_tool_item_group_get_name (group);
+
+ if (current_name != name && (!current_name || !name || strcmp (current_name, name)))
+ {
+ label = gtk_tool_item_group_get_label (group);
+ gtk_label_set_text (GTK_LABEL (label), name);
+
+ if (name && group->priv->children)
+ gtk_widget_show (group->priv->header);
+ else
+ gtk_widget_hide (group->priv->header);
+
+ g_object_notify (G_OBJECT (group), "name");
+ }
+}
+
+/**
+ * gtk_tool_item_group_header_relief:
+ * @group: an #GtkToolItemGroup.
+ * @style: The GtkReliefStyle
+ *
+ * Set the button relief of the group header. See #gtk_button_set_relief for
+ * details
+ *
+ * Since: 2.18
+ */
+void
+gtk_tool_item_group_set_header_relief (GtkToolItemGroup *group,
+ GtkReliefStyle style)
+{
+ g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
+ gtk_button_set_relief (GTK_BUTTON(group->priv->header), style);
+}
+
+static gint64
+gtk_tool_item_group_get_animation_timestamp (GtkToolItemGroup *group)
+{
+ GTimeVal now;
+ g_source_get_current_time (group->priv->animation_timeout, &now);
+ return (now.tv_sec * G_USEC_PER_SEC + now.tv_usec - group->priv->animation_start) / 1000;
+}
+
+static void
+gtk_tool_item_group_force_expose (GtkToolItemGroup *group)
+{
+ if (GTK_WIDGET_REALIZED (group->priv->header))
+ {
+ GtkWidget *alignment = gtk_tool_item_group_get_alignment (group);
+ GdkRectangle area;
+
+ /* Find the header button's arrow area... */
+ area.x = alignment->allocation.x;
+ area.y = alignment->allocation.y + (alignment->allocation.height - group->priv->expander_size) / 2;
+ area.height = group->priv->expander_size;
+ area.width = group->priv->expander_size;
+
+ /* ... and invalidated it to get it animated. */
+ gdk_window_invalidate_rect (group->priv->header->window, &area, TRUE);
+ }
+
+ if (GTK_WIDGET_REALIZED (group))
+ {
+ GtkWidget *widget = GTK_WIDGET (group);
+ GtkWidget *parent = gtk_widget_get_parent (widget);
+ int x, y, width, height;
+
+ /* Find the tool item area button's arrow area... */
+ width = widget->allocation.width;
+ height = widget->allocation.height;
+
+ gtk_widget_translate_coordinates (widget, parent, 0, 0, &x, &y);
+
+ if (GTK_WIDGET_VISIBLE (group->priv->header))
+ {
+ height -= group->priv->header->allocation.height;
+ y += group->priv->header->allocation.height;
+ }
+
+ /* ... and invalidated it to get it animated. */
+ gtk_widget_queue_draw_area (parent, x, y, width, height);
+ }
+}
+
+static gboolean
+gtk_tool_item_group_animation_cb (gpointer data)
+{
+ GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (data);
+ gint64 timestamp = gtk_tool_item_group_get_animation_timestamp (group);
+
+ /* Enque this early to reduce number of expose events. */
+ gtk_widget_queue_resize_no_redraw (GTK_WIDGET (group));
+
+ /* Figure out current style of the expander arrow. */
+ if (group->priv->collapsed)
+ {
+ if (group->priv->expander_style == GTK_EXPANDER_EXPANDED)
+ group->priv->expander_style = GTK_EXPANDER_SEMI_COLLAPSED;
+ else
+ group->priv->expander_style = GTK_EXPANDER_COLLAPSED;
+ }
+ else
+ {
+ if (group->priv->expander_style == GTK_EXPANDER_COLLAPSED)
+ group->priv->expander_style = GTK_EXPANDER_SEMI_EXPANDED;
+ else
+ group->priv->expander_style = GTK_EXPANDER_EXPANDED;
+ }
+
+ gtk_tool_item_group_force_expose (group);
+
+ /* Finish animation when done. */
+ if (timestamp >= ANIMATION_DURATION)
+ group->priv->animation_timeout = NULL;
+
+ /* Ensure that all composited windows and child windows are repainted, before
+ * the parent widget gets its expose-event. This is needed to avoid heavy
+ * rendering artifacts. GTK+ should take care about this issue by itself I
+ * guess, but currently it doesn't. Also I don't understand the parameters
+ * of this issue well enough yet, to file a bug report.
+ */
+ gdk_window_process_updates (GTK_WIDGET (group)->window, TRUE);
+
+ return (group->priv->animation_timeout != NULL);
+}
+
+/**
+ * gtk_tool_item_group_set_collapsed:
+ * @group: an #GtkToolItemGroup.
+ * @collapsed: whether the @group should be collapsed or expanded.
+ *
+ * Sets whether the @group should be collapsed or expanded.
+ *
+ * Since: 2.18
+ */
+void
+gtk_tool_item_group_set_collapsed (GtkToolItemGroup *group,
+ gboolean collapsed)
+{
+ g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
+ GtkWidget *parent;
+
+ parent = gtk_widget_get_parent (GTK_WIDGET (group));
+ if (GTK_IS_TOOL_PALETTE (parent) && !collapsed)
+ _gtk_tool_palette_set_expanding_child (GTK_TOOL_PALETTE (parent),
+ GTK_WIDGET (group));
+ if (collapsed != group->priv->collapsed)
+ {
+ if (group->priv->animation)
+ {
+ GTimeVal now;
+
+ g_get_current_time (&now);
+
+ if (group->priv->animation_timeout)
+ g_source_destroy (group->priv->animation_timeout);
+
+ group->priv->animation_start = (now.tv_sec * G_USEC_PER_SEC + now.tv_usec);
+ group->priv->animation_timeout = g_timeout_source_new (ANIMATION_TIMEOUT);
+
+ g_source_set_callback (group->priv->animation_timeout,
+ gtk_tool_item_group_animation_cb,
+ group, NULL);
+
+ g_source_attach (group->priv->animation_timeout, NULL);
+ }
+ else
+ {
+ group->priv->expander_style = GTK_EXPANDER_COLLAPSED;
+ gtk_tool_item_group_force_expose (group);
+ }
+ group->priv->collapsed = collapsed;
+ g_object_notify (G_OBJECT (group), "collapsed");
+ }
+}
+
+/**
+ * gtk_tool_item_group_set_ellipsize:
+ * @group: an #GtkToolItemGroup.
+ * @ellipsize: the #PangoEllipsizeMode labels in @group should use.
+ *
+ * Sets the ellipsization mode which should be used by labels in @group.
+ *
+ * Since: 2.18
+ */
+void
+gtk_tool_item_group_set_ellipsize (GtkToolItemGroup *group,
+ PangoEllipsizeMode ellipsize)
+{
+ g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
+
+ if (ellipsize != group->priv->ellipsize)
+ {
+ group->priv->ellipsize = ellipsize;
+ gtk_tool_item_group_header_adjust_style (group);
+ g_object_notify (G_OBJECT (group), "ellipsize");
+#ifdef HAVE_EXTENDED_TOOL_SHELL_SUPPORT_BUG_535090
+ _gtk_tool_item_group_palette_reconfigured (group);
+#endif
+ }
+}
+
+/**
+ * gtk_tool_item_group_get_name:
+ * @group: an #GtkToolItemGroup.
+ *
+ * Gets the name of @group.
+ *
+ * Returns: the name of @group. The name is an internal string of @group and must not be modified.
+ *
+ * Since: 2.18
+ */
+G_CONST_RETURN gchar*
+gtk_tool_item_group_get_name (GtkToolItemGroup *group)
+{
+ GtkWidget *label;
+
+ g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), DEFAULT_NAME);
+
+ label = gtk_tool_item_group_get_label (group);
+ return gtk_label_get_text (GTK_LABEL (label));
+}
+
+/**
+ * gtk_tool_item_group_get_collapsed:
+ * @group: an GtkToolItemGroup.
+ *
+ * Gets whether @group is collapsed or expanded.
+ *
+ * Returns: %TRUE if @group is collapsed, %FALSE if it is expanded.
+ *
+ * Since: 2.18
+ */
+gboolean
+gtk_tool_item_group_get_collapsed (GtkToolItemGroup *group)
+{
+ g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), DEFAULT_COLLAPSED);
+ return group->priv->collapsed;
+}
+
+/**
+ * gtk_tool_item_group_get_ellipsize:
+ * @group: an #GtkToolItemGroup.
+ *
+ * Gets the ellipsization mode of @group.
+ *
+ * Returns: the #PangoEllipsizeMode of @group.
+ *
+ * Since: 2.18
+ */
+PangoEllipsizeMode
+gtk_tool_item_group_get_ellipsize (GtkToolItemGroup *group)
+{
+ g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), DEFAULT_ELLIPSIZE);
+ return group->priv->ellipsize;
+}
+
+/**
+ * gtk_tool_item_group_get_header_relief:
+ * @group: an #GtkToolItemGroup.
+ *
+ * Gets the relief mode of the header button of @group.
+ *
+ * Returns: the #GtkReliefStyle
+ *
+ * Since: 2.18
+ */
+GtkReliefStyle
+gtk_tool_item_group_get_header_relief (GtkToolItemGroup *group)
+{
+ g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), GTK_RELIEF_NORMAL);
+ return gtk_button_get_relief (GTK_BUTTON (group->priv->header));
+}
+
+/**
+ * gtk_tool_item_group_insert:
+ * @group: an #GtkToolItemGroup.
+ * @item: the #GtkToolItem to insert into @group.
+ * @position: the position of @item in @group, starting with 0. The position -1 means end of list.
+ *
+ * Inserts @item at @position in the list of children of @group.
+ *
+ * Since: 2.18
+ */
+void
+gtk_tool_item_group_insert (GtkToolItemGroup *group,
+ GtkToolItem *item,
+ gint position)
+{
+ GtkWidget *parent, *child_widget;
+ GtkToolItemGroupChild *child;
+
+ g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
+ g_return_if_fail (GTK_IS_TOOL_ITEM (item));
+ g_return_if_fail (position >= -1);
+
+ parent = gtk_widget_get_parent (GTK_WIDGET (group));
+
+ child = g_new (GtkToolItemGroupChild, 1);
+ child->item = g_object_ref_sink (item);
+ child->homogeneous = TRUE;
+ child->expand = FALSE;
+ child->fill = TRUE;
+ child->new_row = FALSE;
+
+ group->priv->children = g_list_insert (group->priv->children, child, position);
+
+ if (GTK_IS_TOOL_PALETTE (parent))
+ _gtk_tool_palette_child_set_drag_source (GTK_WIDGET (item), parent);
+
+ child_widget = gtk_bin_get_child (GTK_BIN (item));
+
+ if (GTK_IS_BUTTON (child_widget))
+ gtk_button_set_focus_on_click (GTK_BUTTON (child_widget), TRUE);
+
+ gtk_widget_set_parent (GTK_WIDGET (item), GTK_WIDGET (group));
+}
+
+/**
+ * gtk_tool_item_group_set_item_position:
+ * @group: an #GtkToolItemGroup.
+ * @item: the #GtkToolItem to move to a new position, should be a child of @group.
+ * @position: the new position of @item in @group, starting with 0. The position -1 means end of list.
+ *
+ * Sets the position of @item in the list of children of @group.
+ *
+ * Since: 2.18
+ */
+void
+gtk_tool_item_group_set_item_position (GtkToolItemGroup *group,
+ GtkToolItem *item,
+ gint position)
+{
+ gint old_position;
+ GList *link;
+ GtkToolItemGroupChild *child;
+
+ g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
+ g_return_if_fail (GTK_IS_TOOL_ITEM (item));
+
+ g_return_if_fail (position >= -1);
+
+ child = gtk_tool_item_group_get_child (group, item, &old_position, &link);
+
+ g_return_if_fail (child != NULL);
+
+ if (position == old_position)
+ return;
+
+ group->priv->children = g_list_delete_link (group->priv->children, link);
+ group->priv->children = g_list_insert (group->priv->children, child, position);
+
+ gtk_widget_child_notify (GTK_WIDGET (item), "position");
+ if (GTK_WIDGET_VISIBLE (group) && GTK_WIDGET_VISIBLE (item))
+ gtk_widget_queue_resize (GTK_WIDGET (group));
+}
+
+/**
+ * gtk_tool_item_group_get_item_position:
+ * @group: an #GtkToolItemGroup.
+ * @item: a #GtkToolItem.
+ *
+ * Gets the position of @item in @group as index.
+ *
+ * Returns: the index of @item in @group or -1 if @item is no child of @group.
+ *
+ * Since: 2.18
+ */
+gint
+gtk_tool_item_group_get_item_position (GtkToolItemGroup *group,
+ GtkToolItem *item)
+{
+ gint position;
+
+ g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), -1);
+ g_return_val_if_fail (GTK_IS_TOOL_ITEM (item), -1);
+
+ if (gtk_tool_item_group_get_child (group, item, &position, NULL))
+ return position;
+
+ return -1;
+}
+
+/**
+ * gtk_tool_item_group_get_n_items:
+ * @group: an #GtkToolItemGroup.
+ *
+ * Gets the number of tool items in group.
+ *
+ * Returns: the number of tool items in group.
+ *
+ * Since: 2.18
+ */
+guint
+gtk_tool_item_group_get_n_items (GtkToolItemGroup *group)
+{
+ g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), 0);
+
+ return g_list_length (group->priv->children);
+}
+
+/**
+ * gtk_tool_item_group_get_nth_item:
+ * @group: an #GtkToolItemGroup.
+ * @index: the index.
+ *
+ * Gets the tool item at index in group.
+ *
+ * Returns: the #GtkToolItem at index.
+ *
+ * Since: 2.18
+ */
+GtkToolItem*
+gtk_tool_item_group_get_nth_item (GtkToolItemGroup *group,
+ guint index)
+{
+ GtkToolItemGroupChild *child;
+
+ g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), NULL);
+
+ child = g_list_nth_data (group->priv->children, index);
+
+ return child != NULL ? child->item : NULL;
+}
+
+/**
+ * gtk_tool_item_group_get_drop_item:
+ * @group: an #GtkToolItemGroup.
+ * @x: the x position.
+ * @y: the y position.
+ *
+ * Gets the tool item at position (x, y).
+ *
+ * Returns: the #GtkToolItem at position (x, y).
+ *
+ * Since: 2.18
+ */
+GtkToolItem*
+gtk_tool_item_group_get_drop_item (GtkToolItemGroup *group,
+ gint x,
+ gint y)
+{
+ GtkAllocation *allocation;
+ GtkOrientation orientation;
+ GList *it;
+
+ g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), NULL);
+
+ allocation = &GTK_WIDGET (group)->allocation;
+ orientation = gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (group));
+
+ g_return_val_if_fail (x >= 0 && x < allocation->width, NULL);
+ g_return_val_if_fail (y >= 0 && y < allocation->height, NULL);
+
+ for (it = group->priv->children; it != NULL; it = it->next)
+ {
+ GtkToolItemGroupChild *child = it->data;
+ GtkToolItem *item = child->item;
+ gint x0, y0;
+
+ if (!item || !gtk_tool_item_group_is_item_visible (group, child))
+ continue;
+
+ allocation = &GTK_WIDGET (item)->allocation;
+
+ x0 = x - allocation->x;
+ y0 = y - allocation->y;
+
+ if (x0 >= 0 && x0 < allocation->width &&
+ y0 >= 0 && y0 < allocation->height)
+ return item;
+ }
+
+ return NULL;
+}
+
+void
+_gtk_tool_item_group_item_size_request (GtkToolItemGroup *group,
+ GtkRequisition *item_size,
+ gboolean homogeneous_only,
+ gint *requested_rows)
+{
+ GtkRequisition child_requisition;
+ GList *it;
+ gint rows = 0;
+ gboolean new_row = TRUE;
+ GtkOrientation orientation;
+ GtkToolbarStyle style;
+
+ g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
+ g_return_if_fail (NULL != item_size);
+
+ orientation = gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (group));
+ style = gtk_tool_shell_get_style (GTK_TOOL_SHELL (group));
+
+ item_size->width = item_size->height = 0;
+
+ for (it = group->priv->children; it != NULL; it = it->next)
+ {
+ GtkToolItemGroupChild *child = it->data;
+
+ if (!gtk_tool_item_group_is_item_visible (group, child))
+ continue;
+
+ if (child->new_row || new_row)
+ {
+ rows++;
+ new_row = FALSE;
+ }
+
+ if (!child->homogeneous && child->expand)
+ new_row = TRUE;
+
+ gtk_widget_size_request (GTK_WIDGET (child->item), &child_requisition);
+
+ if (!homogeneous_only || child->homogeneous)
+ item_size->width = MAX (item_size->width, child_requisition.width);
+ item_size->height = MAX (item_size->height, child_requisition.height);
+ }
+
+ if (requested_rows)
+ *requested_rows = rows;
+}
+
+void
+_gtk_tool_item_group_paint (GtkToolItemGroup *group,
+ cairo_t *cr)
+{
+ GtkWidget *widget = GTK_WIDGET (group);
+
+ gdk_cairo_set_source_pixmap (cr, widget->window,
+ widget->allocation.x,
+ widget->allocation.y);
+
+ if (group->priv->animation_timeout)
+ {
+ GtkOrientation orientation = gtk_tool_item_group_get_orientation (GTK_TOOL_SHELL (group));
+ cairo_pattern_t *mask;
+ gdouble v0, v1;
+
+ if (GTK_ORIENTATION_VERTICAL == orientation)
+ v1 = widget->allocation.height;
+ else
+ v1 = widget->allocation.width;
+
+ v0 = v1 - 256;
+
+ if (!GTK_WIDGET_VISIBLE (group->priv->header))
+ v0 = MAX (v0, 0);
+ else if (GTK_ORIENTATION_VERTICAL == orientation)
+ v0 = MAX (v0, group->priv->header->allocation.height);
+ else
+ v0 = MAX (v0, group->priv->header->allocation.width);
+
+ v1 = MIN (v0 + 256, v1);
+
+ if (GTK_ORIENTATION_VERTICAL == orientation)
+ {
+ v0 += widget->allocation.y;
+ v1 += widget->allocation.y;
+
+ mask = cairo_pattern_create_linear (0.0, v0, 0.0, v1);
+ }
+ else
+ {
+ v0 += widget->allocation.x;
+ v1 += widget->allocation.x;
+
+ mask = cairo_pattern_create_linear (v0, 0.0, v1, 0.0);
+ }
+
+ cairo_pattern_add_color_stop_rgba (mask, 0.00, 0.0, 0.0, 0.0, 1.00);
+ cairo_pattern_add_color_stop_rgba (mask, 0.25, 0.0, 0.0, 0.0, 0.25);
+ cairo_pattern_add_color_stop_rgba (mask, 0.50, 0.0, 0.0, 0.0, 0.10);
+ cairo_pattern_add_color_stop_rgba (mask, 0.75, 0.0, 0.0, 0.0, 0.01);
+ cairo_pattern_add_color_stop_rgba (mask, 1.00, 0.0, 0.0, 0.0, 0.00);
+
+ cairo_mask (cr, mask);
+ cairo_pattern_destroy (mask);
+ }
+ else
+ cairo_paint (cr);
+}
+
+gint
+_gtk_tool_item_group_get_size_for_limit (GtkToolItemGroup *group,
+ gint limit,
+ gboolean vertical,
+ gboolean animation)
+{
+ GtkRequisition requisition;
+
+ gtk_widget_size_request (GTK_WIDGET (group), &requisition);
+
+ if (!group->priv->collapsed || group->priv->animation_timeout)
+ {
+ GtkAllocation allocation = { 0, 0, requisition.width, requisition.height };
+ GtkRequisition inquery;
+
+ if (vertical)
+ allocation.width = limit;
+ else
+ allocation.height = limit;
+
+ gtk_tool_item_group_real_size_query (GTK_WIDGET (group),
+ &allocation, &inquery);
+
+ if (vertical)
+ inquery.height -= requisition.height;
+ else
+ inquery.width -= requisition.width;
+
+ if (group->priv->animation_timeout && animation)
+ {
+ gint64 timestamp = gtk_tool_item_group_get_animation_timestamp (group);
+
+ timestamp = MIN (timestamp, ANIMATION_DURATION);
+
+ if (group->priv->collapsed)
+ timestamp = ANIMATION_DURATION - timestamp;
+
+ if (vertical)
+ {
+ inquery.height *= timestamp;
+ inquery.height /= ANIMATION_DURATION;
+ }
+ else
+ {
+ inquery.width *= timestamp;
+ inquery.width /= ANIMATION_DURATION;
+ }
+ }
+
+ if (vertical)
+ requisition.height += inquery.height;
+ else
+ requisition.width += inquery.width;
+ }
+
+ return (vertical ? requisition.height : requisition.width);
+}
+
+gint
+_gtk_tool_item_group_get_height_for_width (GtkToolItemGroup *group,
+ gint width)
+{
+ return _gtk_tool_item_group_get_size_for_limit (group, width, TRUE, group->priv->animation);
+}
+
+gint
+_gtk_tool_item_group_get_width_for_height (GtkToolItemGroup *group,
+ gint height)
+{
+ return _gtk_tool_item_group_get_size_for_limit (group, height, FALSE, TRUE);
+}
+
+static void
+gtk_tool_palette_reconfigured_foreach_item (GtkWidget *child,
+ gpointer data G_GNUC_UNUSED)
+{
+ if (GTK_IS_TOOL_ITEM (child))
+ gtk_tool_item_toolbar_reconfigured (GTK_TOOL_ITEM (child));
+}
+
+
+void
+_gtk_tool_item_group_palette_reconfigured (GtkToolItemGroup *group)
+{
+ gtk_container_foreach (GTK_CONTAINER (group),
+ gtk_tool_palette_reconfigured_foreach_item,
+ NULL);
+
+ gtk_tool_item_group_header_adjust_style (group);
+}
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