--- /dev/null
+/*******************************************************************************
+**3456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789
+** 10 20 30 40 50 60 70 80
+**
+** library for GtkXPaned-widget, a 2x2 grid-like variation of GtkPaned of gtk+
+** Copyright (C) 2005-2006 Mirco "MacSlow" Müller <macslow@bangang.de>
+**
+** 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
+**
+** GtkXPaned is based on GtkPaned which was done by...
+**
+** "Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald"
+**
+** and later modified by...
+**
+** "the GTK+ Team and others 1997-2000"
+**
+*******************************************************************************/
+
+#include "gtkxpaned.h"
+#include "gtkmarshalers.h"
+#include <gtk/gtkbindings.h>
+#include <gtk/gtksignal.h>
+#include <gdk/gdkkeysyms.h>
+#include <gtk/gtkwindow.h>
+#include <gtk/gtkmain.h>
+
+enum WidgetProperties
+{
+ PROP_0,
+ PROP_X_POSITION,
+ PROP_Y_POSITION,
+ PROP_POSITION_SET,
+ PROP_MIN_X_POSITION,
+ PROP_MIN_Y_POSITION,
+ PROP_MAX_X_POSITION,
+ PROP_MAX_Y_POSITION
+};
+
+enum ChildProperties
+{
+ CHILD_PROP_0,
+ CHILD_PROP_RESIZE,
+ CHILD_PROP_SHRINK
+};
+
+enum WidgetSignals
+{
+ CYCLE_CHILD_FOCUS,
+ TOGGLE_HANDLE_FOCUS,
+ MOVE_HANDLE,
+ CYCLE_HANDLE_FOCUS,
+ ACCEPT_POSITION,
+ CANCEL_POSITION,
+ LAST_SIGNAL
+};
+
+static void gtk_xpaned_class_init (GtkXPanedClass* klass);
+
+static void gtk_xpaned_init (GtkXPaned* xpaned);
+
+static void gtk_xpaned_size_request (GtkWidget* widget,
+ GtkRequisition* requisition);
+
+static void gtk_xpaned_size_allocate (GtkWidget* widget,
+ GtkAllocation* allocation);
+
+static void gtk_xpaned_set_property (GObject* object,
+ guint prop_id,
+ const GValue* value,
+ GParamSpec* pspec);
+
+static void gtk_xpaned_get_property (GObject* object,
+ guint prop_id,
+ GValue* value,
+ GParamSpec* pspec);
+
+static void gtk_xpaned_set_child_property (GtkContainer* container,
+ GtkWidget* child,
+ guint property_id,
+ const GValue* value,
+ GParamSpec* pspec);
+
+static void gtk_xpaned_get_child_property (GtkContainer* container,
+ GtkWidget* child,
+ guint property_id,
+ GValue* value,
+ GParamSpec* pspec);
+
+static void gtk_xpaned_finalize (GObject* object);
+
+static void gtk_xpaned_realize (GtkWidget* widget);
+
+static void gtk_xpaned_unrealize (GtkWidget* widget);
+
+static void gtk_xpaned_map (GtkWidget* widget);
+
+static void gtk_xpaned_unmap (GtkWidget* widget);
+
+static gboolean gtk_xpaned_expose (GtkWidget* widget, GdkEventExpose* event);
+
+static gboolean gtk_xpaned_enter (GtkWidget* widget, GdkEventCrossing* event);
+
+static gboolean gtk_xpaned_leave (GtkWidget* widget, GdkEventCrossing* event);
+
+static gboolean gtk_xpaned_button_press (GtkWidget* widget,
+ GdkEventButton* event);
+
+static gboolean gtk_xpaned_button_release (GtkWidget* widget,
+ GdkEventButton* event);
+
+static gboolean gtk_xpaned_motion (GtkWidget* widget, GdkEventMotion* event);
+
+static gboolean gtk_xpaned_focus (GtkWidget* widget,
+ GtkDirectionType direction);
+
+static void gtk_xpaned_add (GtkContainer* container, GtkWidget* widget);
+
+static void gtk_xpaned_remove (GtkContainer* container, GtkWidget* widget);
+
+static void gtk_xpaned_forall (GtkContainer* container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data);
+
+static void gtk_xpaned_set_focus_child (GtkContainer* container,
+ GtkWidget* child);
+
+static void gtk_xpaned_set_saved_focus (GtkXPaned* xpaned, GtkWidget* widget);
+
+static void gtk_xpaned_set_first_xpaned (GtkXPaned* xpaned,
+ GtkXPaned* first_xpaned);
+
+static void gtk_xpaned_set_last_top_left_child_focus (GtkXPaned* xpaned,
+ GtkWidget* widget);
+
+static void gtk_xpaned_set_last_top_right_child_focus (GtkXPaned* xpaned,
+ GtkWidget* widget);
+
+static void gtk_xpaned_set_last_bottom_left_child_focus (GtkXPaned* xpaned,
+ GtkWidget* widget);
+
+static void gtk_xpaned_set_last_bottom_right_child_focus (GtkXPaned* xpaned,
+ GtkWidget* widget);
+
+static gboolean gtk_xpaned_cycle_child_focus (GtkXPaned* xpaned,
+ gboolean reverse);
+
+static gboolean gtk_xpaned_cycle_handle_focus (GtkXPaned* xpaned,
+ gboolean reverse);
+
+static gboolean gtk_xpaned_move_handle (GtkXPaned* xpaned,
+ GtkScrollType scroll);
+
+static gboolean gtk_xpaned_accept_position (GtkXPaned* xpaned);
+
+static gboolean gtk_xpaned_cancel_position (GtkXPaned* xpaned);
+
+static gboolean gtk_xpaned_toggle_handle_focus (GtkXPaned* xpaned);
+
+static GType gtk_xpaned_child_type (GtkContainer* container);
+
+static GtkContainerClass* parent_class = NULL;
+
+struct _GtkXPanedPrivate
+{
+ GtkWidget *saved_focus;
+ GtkXPaned *first_xpaned;
+};
+
+GType gtk_xpaned_get_type (void)
+{
+ static GType xpaned_type = 0;
+
+ if (!xpaned_type)
+ {
+ static const GTypeInfo xpaned_info =
+ {
+ sizeof (GtkXPanedClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) gtk_xpaned_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (GtkXPaned),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) gtk_xpaned_init
+ };
+
+ xpaned_type = g_type_register_static (GTK_TYPE_CONTAINER,
+ "GtkXPaned",
+ &xpaned_info,
+ 0);
+ }
+
+ return xpaned_type;
+}
+
+GtkWidget* gtk_xpaned_new (void)
+{
+ GtkXPaned* xpaned;
+
+ xpaned = g_object_new (GTK_TYPE_XPANED, NULL);
+
+ return GTK_WIDGET (xpaned);
+}
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+static void add_tab_bindings (GtkBindingSet* binding_set,
+ GdkModifierType modifiers)
+{
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_Tab,
+ modifiers,
+ "toggle_handle_focus",
+ 0);
+
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_KP_Tab,
+ modifiers,
+ "toggle_handle_focus",
+ 0);
+}
+
+static void add_move_binding (GtkBindingSet* binding_set,
+ guint keyval,
+ GdkModifierType mask,
+ GtkScrollType scroll)
+{
+ gtk_binding_entry_add_signal (binding_set,
+ keyval,
+ mask,
+ "move_handle",
+ 1,
+ GTK_TYPE_SCROLL_TYPE,
+ scroll);
+}
+
+static void gtk_xpaned_class_init (GtkXPanedClass* class)
+{
+ GObjectClass* object_class;
+ GtkWidgetClass* widget_class;
+ GtkContainerClass* container_class;
+ GtkXPanedClass* xpaned_class;
+ GtkBindingSet* binding_set;
+
+ object_class = (GObjectClass *) class;
+ widget_class = (GtkWidgetClass *) class;
+ container_class = (GtkContainerClass *) class;
+ xpaned_class = (GtkXPanedClass *) class;
+
+ parent_class = g_type_class_peek_parent (class);
+
+ object_class->set_property = gtk_xpaned_set_property;
+ object_class->get_property = gtk_xpaned_get_property;
+ object_class->finalize = gtk_xpaned_finalize;
+
+ widget_class->realize = gtk_xpaned_realize;
+ widget_class->unrealize = gtk_xpaned_unrealize;
+ widget_class->map = gtk_xpaned_map;
+ widget_class->unmap = gtk_xpaned_unmap;
+ widget_class->expose_event = gtk_xpaned_expose;
+ widget_class->focus = gtk_xpaned_focus;
+ widget_class->enter_notify_event = gtk_xpaned_enter;
+ widget_class->leave_notify_event = gtk_xpaned_leave;
+ widget_class->button_press_event = gtk_xpaned_button_press;
+ widget_class->button_release_event = gtk_xpaned_button_release;
+ widget_class->motion_notify_event = gtk_xpaned_motion;
+ widget_class->size_request = gtk_xpaned_size_request;
+ widget_class->size_allocate = gtk_xpaned_size_allocate;
+
+ container_class->add = gtk_xpaned_add;
+ container_class->remove = gtk_xpaned_remove;
+ container_class->forall = gtk_xpaned_forall;
+ container_class->child_type = gtk_xpaned_child_type;
+ container_class->set_focus_child = gtk_xpaned_set_focus_child;
+ container_class->set_child_property = gtk_xpaned_set_child_property;
+ container_class->get_child_property = gtk_xpaned_get_child_property;
+
+ xpaned_class->cycle_child_focus = gtk_xpaned_cycle_child_focus;
+ xpaned_class->toggle_handle_focus = gtk_xpaned_toggle_handle_focus;
+ xpaned_class->move_handle = gtk_xpaned_move_handle;
+ xpaned_class->cycle_handle_focus = gtk_xpaned_cycle_handle_focus;
+ xpaned_class->accept_position = gtk_xpaned_accept_position;
+ xpaned_class->cancel_position = gtk_xpaned_cancel_position;
+
+ g_object_class_install_property (object_class,
+ PROP_X_POSITION,
+ g_param_spec_int ("x-position",
+ ("x-Position"),
+ ("x-Position of paned separator in pixels (0 means all the way to the left)"),
+ 0,
+ G_MAXINT,
+ 0,
+ G_PARAM_READABLE | G_PARAM_WRITABLE));
+
+ g_object_class_install_property (object_class,
+ PROP_Y_POSITION,
+ g_param_spec_int ("y-position",
+ "y-Position",
+ "y-Position of paned separator in pixels (0 means all the way to the top)",
+ 0,
+ G_MAXINT,
+ 0,
+ G_PARAM_READABLE | G_PARAM_WRITABLE));
+
+ g_object_class_install_property (object_class,
+ PROP_POSITION_SET,
+ g_param_spec_boolean ("position-set",
+ "Position Set",
+ "TRUE if the Position property should be used",
+ FALSE,
+ G_PARAM_READABLE | G_PARAM_WRITABLE));
+
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_int ("handle-size",
+ "Handle Size",
+ "Width of handle",
+ 0,
+ G_MAXINT,
+ 3,
+ G_PARAM_READABLE));
+ /**
+ * GtkXPaned:min-x-position:
+ *
+ * The smallest possible value for the x-position property. This property is derived from the
+ * size and shrinkability of the widget's children.
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (object_class,
+ PROP_MIN_X_POSITION,
+ g_param_spec_int ("min-x-position",
+ "Minimal x-Position",
+ "Smallest possible value for the \"x-position\" property",
+ 0,
+ G_MAXINT,
+ 0,
+ G_PARAM_READABLE));
+
+ /**
+ * GtkXPaned:min-y-position:
+ *
+ * The smallest possible value for the y-position property. This property is derived from the
+ * size and shrinkability of the widget's children.
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (object_class,
+ PROP_MIN_Y_POSITION,
+ g_param_spec_int ("min-y-position",
+ "Minimal y-Position",
+ "Smallest possible value for the \"y-position\" property",
+ 0,
+ G_MAXINT,
+ 0,
+ G_PARAM_READABLE));
+
+ /**
+ * GtkPaned:max-x-position:
+ *
+ * The largest possible value for the x-position property. This property is derived from the
+ * size and shrinkability of the widget's children.
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (object_class,
+ PROP_MAX_X_POSITION,
+ g_param_spec_int ("max-x-position",
+ "Maximal x-Position",
+ "Largest possible value for the \"x-position\" property",
+ 0,
+ G_MAXINT,
+ G_MAXINT,
+ G_PARAM_READABLE));
+
+ /**
+ * GtkPaned:max-y-position:
+ *
+ * The largest possible value for the y-position property. This property is derived from the
+ * size and shrinkability of the widget's children.
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (object_class,
+ PROP_MAX_Y_POSITION,
+ g_param_spec_int ("max-y-position",
+ "Maximal y-Position",
+ "Largest possible value for the \"y-position\" property",
+ 0,
+ G_MAXINT,
+ G_MAXINT,
+ G_PARAM_READABLE));
+
+ /**
+ * GtkPaned:resize:
+ *
+ * The "resize" child property determines whether the child expands and
+ * shrinks along with the paned widget.
+ *
+ * Since: 2.4
+ */
+ gtk_container_class_install_child_property (container_class,
+ CHILD_PROP_RESIZE,
+ g_param_spec_boolean ("resize",
+ "Resize",
+ "If TRUE, the child expands and shrinks along with the paned widget",
+ TRUE,
+ G_PARAM_READWRITE));
+
+ /**
+ * GtkPaned:shrink:
+ *
+ * The "shrink" child property determines whether the child can be made
+ * smaller than its requisition.
+ *
+ * Since: 2.4
+ */
+ gtk_container_class_install_child_property (container_class,
+ CHILD_PROP_SHRINK,
+ g_param_spec_boolean ("shrink",
+ "Shrink",
+ "If TRUE, the child can be made smaller than its requisition",
+ TRUE,
+ G_PARAM_READWRITE));
+
+ signals [CYCLE_CHILD_FOCUS] = g_signal_new ("cycle-child-focus",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (GtkXPanedClass, cycle_child_focus),
+ NULL, NULL,
+ gtk_marshal_BOOLEAN__BOOLEAN,
+ G_TYPE_BOOLEAN, 1,
+ G_TYPE_BOOLEAN);
+
+ signals [TOGGLE_HANDLE_FOCUS] = g_signal_new ("toggle-handle-focus",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (GtkXPanedClass, toggle_handle_focus),
+ NULL, NULL,
+ gtk_marshal_BOOLEAN__VOID,
+ G_TYPE_BOOLEAN, 0);
+
+ signals[MOVE_HANDLE] = g_signal_new ("move-handle",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (GtkXPanedClass, move_handle),
+ NULL, NULL,
+ gtk_marshal_BOOLEAN__ENUM,
+ G_TYPE_BOOLEAN, 1,
+ GTK_TYPE_SCROLL_TYPE);
+
+ signals [CYCLE_HANDLE_FOCUS] = g_signal_new ("cycle-handle-focus",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (GtkXPanedClass, cycle_handle_focus),
+ NULL, NULL,
+ gtk_marshal_BOOLEAN__BOOLEAN,
+ G_TYPE_BOOLEAN, 1,
+ G_TYPE_BOOLEAN);
+
+ signals [ACCEPT_POSITION] = g_signal_new ("accept-position",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (GtkXPanedClass, accept_position),
+ NULL, NULL,
+ gtk_marshal_BOOLEAN__VOID,
+ G_TYPE_BOOLEAN, 0);
+
+ signals [CANCEL_POSITION] = g_signal_new ("cancel-position",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (GtkXPanedClass, cancel_position),
+ NULL, NULL,
+ gtk_marshal_BOOLEAN__VOID,
+ G_TYPE_BOOLEAN, 0);
+
+ binding_set = gtk_binding_set_by_class (class);
+
+ /* F6 and friends */
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_F6, 0,
+ "cycle-child-focus", 1,
+ G_TYPE_BOOLEAN, FALSE);
+
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_F6, GDK_SHIFT_MASK,
+ "cycle-child-focus", 1,
+ G_TYPE_BOOLEAN, TRUE);
+
+ /* F8 and friends */
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_F8, 0,
+ "cycle-handle-focus", 1,
+ G_TYPE_BOOLEAN, FALSE);
+
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_F8, GDK_SHIFT_MASK,
+ "cycle-handle-focus", 1,
+ G_TYPE_BOOLEAN, TRUE);
+
+ add_tab_bindings (binding_set, 0);
+ add_tab_bindings (binding_set, GDK_CONTROL_MASK);
+ add_tab_bindings (binding_set, GDK_SHIFT_MASK);
+ add_tab_bindings (binding_set, GDK_CONTROL_MASK | GDK_SHIFT_MASK);
+
+ /* accept and cancel positions */
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_Escape, 0,
+ "cancel-position", 0);
+
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_Return, 0,
+ "accept-position", 0);
+
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_KP_Enter, 0,
+ "accept-position", 0);
+
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_space, 0,
+ "accept-position", 0);
+
+ gtk_binding_entry_add_signal (binding_set,
+ GDK_KP_Space, 0,
+ "accept-position", 0);
+
+ /* move handle */
+ add_move_binding (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_LEFT);
+ add_move_binding (binding_set, GDK_KP_Left, 0, GTK_SCROLL_STEP_LEFT);
+ add_move_binding (binding_set, GDK_Left, GDK_CONTROL_MASK, GTK_SCROLL_PAGE_LEFT);
+ add_move_binding (binding_set, GDK_KP_Left, GDK_CONTROL_MASK, GTK_SCROLL_PAGE_LEFT);
+
+ add_move_binding (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_RIGHT);
+ add_move_binding (binding_set, GDK_Right, GDK_CONTROL_MASK, GTK_SCROLL_PAGE_RIGHT);
+ add_move_binding (binding_set, GDK_KP_Right, 0, GTK_SCROLL_STEP_RIGHT);
+ add_move_binding (binding_set, GDK_KP_Right, GDK_CONTROL_MASK, GTK_SCROLL_PAGE_RIGHT);
+
+ add_move_binding (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_UP);
+ add_move_binding (binding_set, GDK_Up, GDK_CONTROL_MASK, GTK_SCROLL_PAGE_UP);
+ add_move_binding (binding_set, GDK_KP_Up, 0, GTK_SCROLL_STEP_UP);
+ add_move_binding (binding_set, GDK_KP_Up, GDK_CONTROL_MASK, GTK_SCROLL_PAGE_UP);
+ add_move_binding (binding_set, GDK_Page_Up, 0, GTK_SCROLL_PAGE_UP);
+ add_move_binding (binding_set, GDK_KP_Page_Up, 0, GTK_SCROLL_PAGE_UP);
+
+ add_move_binding (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_DOWN);
+ add_move_binding (binding_set, GDK_Down, GDK_CONTROL_MASK, GTK_SCROLL_PAGE_DOWN);
+ add_move_binding (binding_set, GDK_KP_Down, 0, GTK_SCROLL_STEP_DOWN);
+ add_move_binding (binding_set, GDK_KP_Down, GDK_CONTROL_MASK, GTK_SCROLL_PAGE_DOWN);
+ add_move_binding (binding_set, GDK_Page_Down, 0, GTK_SCROLL_PAGE_RIGHT);
+ add_move_binding (binding_set, GDK_KP_Page_Down, 0, GTK_SCROLL_PAGE_RIGHT);
+
+ add_move_binding (binding_set, GDK_Home, 0, GTK_SCROLL_START);
+ add_move_binding (binding_set, GDK_KP_Home, 0, GTK_SCROLL_START);
+ add_move_binding (binding_set, GDK_End, 0, GTK_SCROLL_END);
+ add_move_binding (binding_set, GDK_KP_End, 0, GTK_SCROLL_END);
+}
+
+static GType gtk_xpaned_child_type (GtkContainer* container)
+{
+ if (!GTK_XPANED (container)->top_left_child ||
+ !GTK_XPANED (container)->top_right_child ||
+ !GTK_XPANED (container)->bottom_left_child ||
+ !GTK_XPANED (container)->bottom_right_child)
+ return GTK_TYPE_WIDGET;
+ else
+ return G_TYPE_NONE;
+}
+
+static void gtk_xpaned_init (GtkXPaned* xpaned)
+{
+ GTK_WIDGET_SET_FLAGS (xpaned, GTK_NO_WINDOW | GTK_CAN_FOCUS);
+
+ xpaned->top_left_child = NULL;
+ xpaned->top_right_child = NULL;
+ xpaned->bottom_left_child = NULL;
+ xpaned->bottom_right_child = NULL;
+ xpaned->handle_east = NULL;
+ xpaned->handle_west = NULL;
+ xpaned->handle_north = NULL;
+ xpaned->handle_south = NULL;
+ xpaned->handle_middle = NULL;
+ xpaned->xor_gc = NULL;
+ xpaned->cursor_type_east = GDK_SB_V_DOUBLE_ARROW;
+ xpaned->cursor_type_west = GDK_SB_V_DOUBLE_ARROW;
+ xpaned->cursor_type_north = GDK_SB_H_DOUBLE_ARROW;
+ xpaned->cursor_type_south = GDK_SB_H_DOUBLE_ARROW;
+ xpaned->cursor_type_middle = GDK_FLEUR;
+
+ xpaned->handle_pos_east.width = 5;
+ xpaned->handle_pos_east.height = 5;
+ xpaned->handle_pos_west.width = 5;
+ xpaned->handle_pos_west.height = 5;
+ xpaned->handle_pos_north.width = 5;
+ xpaned->handle_pos_north.height = 5;
+ xpaned->handle_pos_south.width = 5;
+ xpaned->handle_pos_south.height = 5;
+ xpaned->handle_pos_middle.width = 5;
+ xpaned->handle_pos_middle.height = 5;
+
+ xpaned->position_set = FALSE;
+ xpaned->last_allocation.width = -1;
+ xpaned->last_allocation.height = -1;
+ xpaned->in_drag_vert = FALSE;
+ xpaned->in_drag_horiz = FALSE;
+ xpaned->in_drag_vert_and_horiz = FALSE;
+
+ xpaned->maximized[GTK_XPANED_TOP_LEFT] = FALSE;
+ xpaned->maximized[GTK_XPANED_TOP_RIGHT] = FALSE;
+ xpaned->maximized[GTK_XPANED_BOTTOM_LEFT] = FALSE;
+ xpaned->maximized[GTK_XPANED_BOTTOM_RIGHT] = FALSE;
+
+ xpaned->priv = g_new0 (GtkXPanedPrivate, 1);
+ xpaned->last_top_left_child_focus = NULL;
+ xpaned->last_top_right_child_focus = NULL;
+ xpaned->last_bottom_left_child_focus = NULL;
+ xpaned->last_bottom_right_child_focus = NULL;
+ xpaned->in_recursion = FALSE;
+ xpaned->handle_prelit = FALSE;
+ xpaned->original_position.x = -1;
+ xpaned->original_position.y = -1;
+ xpaned->unmaximized_position.x = -1;
+ xpaned->unmaximized_position.y = -1;
+
+ xpaned->handle_pos_east.x = -1;
+ xpaned->handle_pos_east.y = -1;
+ xpaned->handle_pos_west.x = -1;
+ xpaned->handle_pos_west.y = -1;
+ xpaned->handle_pos_north.x = -1;
+ xpaned->handle_pos_north.y = -1;
+ xpaned->handle_pos_south.x = -1;
+ xpaned->handle_pos_south.y = -1;
+ xpaned->handle_pos_middle.x = -1;
+ xpaned->handle_pos_middle.y = -1;
+
+ xpaned->drag_pos.x = -1;
+ xpaned->drag_pos.y = -1;
+}
+
+static void gtk_xpaned_size_request (GtkWidget* widget,
+ GtkRequisition* requisition)
+{
+ GtkXPaned* xpaned = GTK_XPANED (widget);
+ GtkRequisition child_requisition;
+
+ requisition->width = 0;
+ requisition->height = 0;
+
+ if (xpaned->top_left_child && GTK_WIDGET_VISIBLE (xpaned->top_left_child))
+ {
+ gtk_widget_size_request (xpaned->top_left_child, &child_requisition);
+
+ requisition->width = child_requisition.width;
+ requisition->height = child_requisition.height;
+ }
+
+ if (xpaned->top_right_child && GTK_WIDGET_VISIBLE (xpaned->top_right_child))
+ {
+ gtk_widget_size_request (xpaned->top_right_child, &child_requisition);
+
+ requisition->width += child_requisition.width;
+ requisition->height = MAX (requisition->height, child_requisition.height);
+ }
+
+ if (xpaned->bottom_left_child && GTK_WIDGET_VISIBLE (xpaned->bottom_left_child))
+ {
+ gtk_widget_size_request (xpaned->bottom_left_child, &child_requisition);
+
+ requisition->width = MAX (requisition->width, child_requisition.width);
+ requisition->height += child_requisition.height;
+ }
+
+ if (xpaned->bottom_right_child && GTK_WIDGET_VISIBLE (xpaned->bottom_right_child))
+ {
+ gtk_widget_size_request (xpaned->bottom_right_child, &child_requisition);
+
+ requisition->width = MAX (requisition->width, child_requisition.width);
+ requisition->height = MAX (requisition->height, child_requisition.height);
+ }
+
+ /* add 2 times the set border-width to the GtkXPaneds requisition */
+ requisition->width += GTK_CONTAINER (xpaned)->border_width * 2;
+ requisition->height += GTK_CONTAINER (xpaned)->border_width * 2;
+
+ /* also add the handle "thickness" to GtkXPaneds width- and height-requisitions */
+ if (xpaned->top_left_child && GTK_WIDGET_VISIBLE (xpaned->top_left_child) &&
+ xpaned->top_right_child && GTK_WIDGET_VISIBLE (xpaned->top_right_child) &&
+ xpaned->bottom_left_child && GTK_WIDGET_VISIBLE (xpaned->bottom_left_child) &&
+ xpaned->bottom_right_child && GTK_WIDGET_VISIBLE (xpaned->bottom_right_child))
+ {
+ gint handle_size;
+
+ gtk_widget_style_get (widget, "handle-size", &handle_size, NULL);
+ requisition->width += handle_size;
+ requisition->height += handle_size;
+ }
+}
+
+static void gtk_xpaned_size_allocate (GtkWidget* widget,
+ GtkAllocation* allocation)
+{
+ GtkXPaned* xpaned = GTK_XPANED (widget);
+ gint border_width = GTK_CONTAINER (xpaned)->border_width;
+ GtkAllocation top_left_child_allocation;
+ GtkAllocation top_right_child_allocation;
+ GtkAllocation bottom_left_child_allocation;
+ GtkAllocation bottom_right_child_allocation;
+ GtkRequisition top_left_child_requisition;
+ GtkRequisition top_right_child_requisition;
+ GtkRequisition bottom_left_child_requisition;
+ GtkRequisition bottom_right_child_requisition;
+ gint handle_size;
+
+ /* determine size of handle(s) */
+ gtk_widget_style_get (widget, "handle-size", &handle_size, NULL);
+
+ widget->allocation = *allocation;
+
+ if (xpaned->top_left_child && GTK_WIDGET_VISIBLE (xpaned->top_left_child) &&
+ xpaned->top_right_child && GTK_WIDGET_VISIBLE (xpaned->top_right_child) &&
+ xpaned->bottom_left_child && GTK_WIDGET_VISIBLE (xpaned->bottom_left_child) &&
+ xpaned->bottom_right_child && GTK_WIDGET_VISIBLE (xpaned->bottom_right_child))
+ {
+ /* what sizes do the children want to be at least at */
+ gtk_widget_get_child_requisition (xpaned->top_left_child,
+ &top_left_child_requisition);
+ gtk_widget_get_child_requisition (xpaned->top_right_child,
+ &top_right_child_requisition);
+ gtk_widget_get_child_requisition (xpaned->bottom_left_child,
+ &bottom_left_child_requisition);
+ gtk_widget_get_child_requisition (xpaned->bottom_right_child,
+ &bottom_right_child_requisition);
+
+ /* determine the total requisition-sum of all requisitions of borders,
+ * handles, children etc. */
+ gtk_xpaned_compute_position (xpaned,
+ allocation,
+ &top_left_child_requisition,
+ &top_right_child_requisition,
+ &bottom_left_child_requisition,
+ &bottom_right_child_requisition);
+
+ /* calculate the current positions and sizes of the handles */
+ xpaned->handle_pos_east.x = widget->allocation.x + border_width + xpaned->top_left_child_size.width + handle_size;
+ xpaned->handle_pos_east.y = widget->allocation.y + border_width + xpaned->top_left_child_size.height;
+ xpaned->handle_pos_east.width = widget->allocation.width - xpaned->top_left_child_size.width - 2 * border_width - handle_size;
+ xpaned->handle_pos_east.height = handle_size;
+
+ xpaned->handle_pos_west.x = widget->allocation.x + border_width;
+ xpaned->handle_pos_west.y = xpaned->handle_pos_east.y;
+ xpaned->handle_pos_west.width = widget->allocation.width - xpaned->handle_pos_east.width - 2 * border_width - handle_size;
+ xpaned->handle_pos_west.height = handle_size;
+
+ xpaned->handle_pos_north.x = xpaned->handle_pos_east.x - handle_size;
+ xpaned->handle_pos_north.y = widget->allocation.y + border_width;
+ xpaned->handle_pos_north.width = handle_size;
+ xpaned->handle_pos_north.height = xpaned->handle_pos_east.y - widget->allocation.y - border_width;
+
+ xpaned->handle_pos_south.x = xpaned->handle_pos_north.x;
+ xpaned->handle_pos_south.y = xpaned->handle_pos_east.y + handle_size;
+ xpaned->handle_pos_south.width = handle_size;
+ xpaned->handle_pos_south.height = widget->allocation.height - xpaned->handle_pos_north.height - 2 * border_width - handle_size;
+
+
+#define CENTRUM 20
+ xpaned->handle_pos_middle.x = xpaned->handle_pos_north.x ;
+ xpaned->handle_pos_middle.y = xpaned->handle_pos_east.y ;
+ xpaned->handle_pos_middle.width = handle_size + CENTRUM ;
+ xpaned->handle_pos_middle.height = handle_size + CENTRUM;
+
+ /* set allocation for top-left child */
+ top_left_child_allocation.x = widget->allocation.x + border_width;
+ top_left_child_allocation.y = widget->allocation.y + border_width;
+ top_left_child_allocation.width = xpaned->handle_pos_west.width;
+ top_left_child_allocation.height = xpaned->handle_pos_north.height;
+
+ /* set allocation for top-right child */
+ top_right_child_allocation.x = widget->allocation.x + border_width + handle_size + top_left_child_allocation.width;
+ top_right_child_allocation.y = widget->allocation.y + border_width;
+ top_right_child_allocation.width = xpaned->handle_pos_east.width;
+ top_right_child_allocation.height = xpaned->handle_pos_north.height;
+
+ /* set allocation for bottom-left child */
+ bottom_left_child_allocation.x = xpaned->handle_pos_west.x;
+ bottom_left_child_allocation.y = xpaned->handle_pos_south.y;
+ bottom_left_child_allocation.width = xpaned->handle_pos_west.width;
+ bottom_left_child_allocation.height = xpaned->handle_pos_south.height;
+
+ /* set allocation for bottom-right child */
+ bottom_right_child_allocation.x = top_right_child_allocation.x;
+ bottom_right_child_allocation.y = bottom_left_child_allocation.y;
+ bottom_right_child_allocation.width = xpaned->handle_pos_east.width;
+ bottom_right_child_allocation.height = xpaned->handle_pos_south.height;
+
+ if (GTK_WIDGET_REALIZED (widget))
+ {
+ if (GTK_WIDGET_MAPPED (widget))
+ {
+ gdk_window_show (xpaned->handle_east);
+ gdk_window_show (xpaned->handle_west);
+ gdk_window_show (xpaned->handle_north);
+ gdk_window_show (xpaned->handle_south);
+ gdk_window_show (xpaned->handle_middle);
+ }
+
+ gdk_window_move_resize (xpaned->handle_east,
+ xpaned->handle_pos_east.x,
+ xpaned->handle_pos_east.y,
+ xpaned->handle_pos_east.width,
+ xpaned->handle_pos_east.height);
+
+ gdk_window_move_resize (xpaned->handle_west,
+ xpaned->handle_pos_west.x,
+ xpaned->handle_pos_west.y,
+ xpaned->handle_pos_west.width,
+ xpaned->handle_pos_west.height);
+
+ gdk_window_move_resize (xpaned->handle_north,
+ xpaned->handle_pos_north.x,
+ xpaned->handle_pos_north.y,
+ xpaned->handle_pos_north.width,
+ xpaned->handle_pos_north.height);
+
+ gdk_window_move_resize (xpaned->handle_south,
+ xpaned->handle_pos_south.x,
+ xpaned->handle_pos_south.y,
+ xpaned->handle_pos_south.width,
+ xpaned->handle_pos_south.height);
+
+ gdk_window_move_resize (xpaned->handle_middle,
+ xpaned->handle_pos_middle.x,
+ xpaned->handle_pos_middle.y,
+ xpaned->handle_pos_middle.width,
+ xpaned->handle_pos_middle.height);
+ }
+
+ /* Now allocate the childen, making sure, when resizing not to
+ * overlap the windows
+ */
+ if (GTK_WIDGET_MAPPED (widget))
+ {
+ gtk_widget_size_allocate (xpaned->top_right_child, &top_right_child_allocation);
+ gtk_widget_size_allocate (xpaned->top_left_child, &top_left_child_allocation);
+ gtk_widget_size_allocate (xpaned->bottom_left_child, &bottom_left_child_allocation);
+ gtk_widget_size_allocate (xpaned->bottom_right_child, &bottom_right_child_allocation);
+ }
+ }
+}
+
+static void gtk_xpaned_set_property (GObject* object,
+ guint prop_id,
+ const GValue* value,
+ GParamSpec* pspec)
+{
+ GtkXPaned* xpaned = GTK_XPANED (object);
+
+ switch (prop_id)
+ {
+ case PROP_X_POSITION:
+ gtk_xpaned_set_position_x (xpaned, g_value_get_int (value));
+ break;
+
+ case PROP_Y_POSITION:
+ gtk_xpaned_set_position_y (xpaned, g_value_get_int (value));
+ break;
+
+ case PROP_POSITION_SET:
+ xpaned->position_set = g_value_get_boolean (value);
+ gtk_widget_queue_resize (GTK_WIDGET (xpaned));
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void gtk_xpaned_get_property (GObject* object,
+ guint prop_id,
+ GValue* value,
+ GParamSpec* pspec)
+{
+ GtkXPaned* xpaned = GTK_XPANED (object);
+
+ switch (prop_id)
+ {
+ case PROP_X_POSITION:
+ g_value_set_int (value, xpaned->top_left_child_size.width);
+ break;
+
+ case PROP_Y_POSITION:
+ g_value_set_int (value, xpaned->top_left_child_size.height);
+ break;
+
+ case PROP_POSITION_SET:
+ g_value_set_boolean (value, xpaned->position_set);
+ break;
+
+ case PROP_MIN_X_POSITION:
+ g_value_set_int (value, xpaned->min_position.x);
+ break;
+
+ case PROP_MIN_Y_POSITION:
+ g_value_set_int (value, xpaned->min_position.y);
+ break;
+
+ case PROP_MAX_X_POSITION:
+ g_value_set_int (value, xpaned->max_position.x);
+ break;
+
+ case PROP_MAX_Y_POSITION:
+ g_value_set_int (value, xpaned->max_position.y);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void gtk_xpaned_set_child_property (GtkContainer* container,
+ GtkWidget* child,
+ guint property_id,
+ const GValue* value,
+ GParamSpec* pspec)
+{
+ GtkXPaned* xpaned = GTK_XPANED (container);
+ gboolean old_value = FALSE;
+ gboolean new_value = FALSE;
+
+ g_assert (child == xpaned->top_left_child ||
+ child == xpaned->top_right_child ||
+ child == xpaned->bottom_left_child ||
+ child == xpaned->bottom_right_child);
+
+ new_value = g_value_get_boolean (value);
+
+ switch (property_id)
+ {
+ case CHILD_PROP_RESIZE:
+ if (child == xpaned->top_left_child)
+ {
+ old_value = xpaned->top_left_child_resize;
+ xpaned->top_left_child_resize = new_value;
+ }
+ else if (child == xpaned->top_right_child)
+ {
+ old_value = xpaned->top_right_child_resize;
+ xpaned->top_right_child_resize = new_value;
+ }
+ else if (child == xpaned->bottom_left_child)
+ {
+ old_value = xpaned->bottom_left_child_resize;
+ xpaned->bottom_left_child_resize = new_value;
+ }
+ else if (child == xpaned->bottom_right_child)
+ {
+ old_value = xpaned->bottom_right_child_resize;
+ xpaned->bottom_right_child_resize = new_value;
+ }
+ break;
+
+ case CHILD_PROP_SHRINK :
+ if (child == xpaned->top_left_child)
+ {
+ old_value = xpaned->top_left_child_shrink;
+ xpaned->top_left_child_shrink = new_value;
+ }
+ else if (child == xpaned->top_right_child)
+ {
+ old_value = xpaned->top_right_child_shrink;
+ xpaned->top_right_child_shrink = new_value;
+ }
+ else if (child == xpaned->bottom_left_child)
+ {
+ old_value = xpaned->bottom_left_child_shrink;
+ xpaned->bottom_left_child_shrink = new_value;
+ }
+ else if (child == xpaned->bottom_right_child)
+ {
+ old_value = xpaned->bottom_right_child_shrink;
+ xpaned->bottom_right_child_shrink = new_value;
+ }
+ break;
+
+ default:
+ GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container,
+ property_id,
+ pspec);
+ old_value = -1; /* quiet gcc */
+ break;
+ }
+
+ if (old_value != new_value)
+ gtk_widget_queue_resize (GTK_WIDGET (container));
+}
+
+static void gtk_xpaned_get_child_property (GtkContainer* container,
+ GtkWidget* child,
+ guint property_id,
+ GValue* value,
+ GParamSpec* pspec)
+{
+ GtkXPaned* xpaned = GTK_XPANED (container);
+
+ g_assert (child == xpaned->top_left_child ||
+ child == xpaned->top_right_child ||
+ child == xpaned->bottom_left_child ||
+ child == xpaned->bottom_right_child);
+
+ switch (property_id)
+ {
+ case CHILD_PROP_RESIZE :
+ if (child == xpaned->top_left_child)
+ g_value_set_boolean (value, xpaned->top_left_child_resize);
+ else if (child == xpaned->top_right_child)
+ g_value_set_boolean (value, xpaned->top_right_child_resize);
+ else if (child == xpaned->bottom_left_child)
+ g_value_set_boolean (value, xpaned->bottom_left_child_resize);
+ else if (child == xpaned->bottom_right_child)
+ g_value_set_boolean (value, xpaned->bottom_right_child_resize);
+ break;
+
+ case CHILD_PROP_SHRINK :
+ if (child == xpaned->top_left_child)
+ g_value_set_boolean (value, xpaned->top_left_child_shrink);
+ else if (child == xpaned->top_right_child)
+ g_value_set_boolean (value, xpaned->top_right_child_shrink);
+ else if (child == xpaned->bottom_left_child)
+ g_value_set_boolean (value, xpaned->bottom_left_child_shrink);
+ else if (child == xpaned->bottom_right_child)
+ g_value_set_boolean (value, xpaned->bottom_right_child_shrink);
+ break;
+
+ default:
+ GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container,
+ property_id,
+ pspec);
+ break;
+ }
+}
+
+static void gtk_xpaned_finalize (GObject* object)
+{
+ GtkXPaned* xpaned = GTK_XPANED (object);
+
+ gtk_xpaned_set_saved_focus (xpaned, NULL);
+ gtk_xpaned_set_first_xpaned (xpaned, NULL);
+
+ g_free (xpaned->priv);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void gtk_xpaned_realize (GtkWidget* widget)
+{
+ GtkXPaned* xpaned;
+ GdkWindowAttr attributes_east;
+ GdkWindowAttr attributes_west;
+ GdkWindowAttr attributes_north;
+ GdkWindowAttr attributes_south;
+ GdkWindowAttr attributes_middle;
+ gint attributes_mask_east;
+ gint attributes_mask_west;
+ gint attributes_mask_north;
+ gint attributes_mask_south;
+ gint attributes_mask_middle;
+
+ GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
+ xpaned = GTK_XPANED (widget);
+
+ widget->window = gtk_widget_get_parent_window (widget);
+ g_object_ref (widget->window);
+
+ attributes_east.window_type = GDK_WINDOW_CHILD;
+ attributes_west.window_type = GDK_WINDOW_CHILD;
+ attributes_north.window_type = GDK_WINDOW_CHILD;
+ attributes_south.window_type = GDK_WINDOW_CHILD;
+ attributes_middle.window_type = GDK_WINDOW_CHILD;
+
+ attributes_east.wclass = GDK_INPUT_ONLY;
+ attributes_west.wclass = GDK_INPUT_ONLY;
+ attributes_north.wclass = GDK_INPUT_ONLY;
+ attributes_south.wclass = GDK_INPUT_ONLY;
+ attributes_middle.wclass = GDK_INPUT_ONLY;
+
+ attributes_east.x = xpaned->handle_pos_east.x;
+ attributes_east.y = xpaned->handle_pos_east.y;
+ attributes_east.width = xpaned->handle_pos_east.width;
+ attributes_east.height = xpaned->handle_pos_east.height;
+
+ attributes_west.x = xpaned->handle_pos_west.x;
+ attributes_west.y = xpaned->handle_pos_west.y;
+ attributes_west.width = xpaned->handle_pos_west.width;
+ attributes_west.height = xpaned->handle_pos_west.height;
+
+ attributes_north.x = xpaned->handle_pos_north.x;
+ attributes_north.y = xpaned->handle_pos_north.y;
+ attributes_north.width = xpaned->handle_pos_north.width;
+ attributes_north.height = xpaned->handle_pos_north.height;
+
+ attributes_south.x = xpaned->handle_pos_south.x;
+ attributes_south.y = xpaned->handle_pos_south.y;
+ attributes_south.width = xpaned->handle_pos_south.width;
+ attributes_south.height = xpaned->handle_pos_south.height;
+
+ attributes_middle.x = xpaned->handle_pos_middle.x;
+ attributes_middle.y = xpaned->handle_pos_middle.y;
+ attributes_middle.width = xpaned->handle_pos_middle.width;
+ attributes_middle.height = xpaned->handle_pos_middle.height;
+
+ attributes_east.cursor = gdk_cursor_new_for_display (gtk_widget_get_display (widget),
+ xpaned->cursor_type_east);
+ attributes_west.cursor = gdk_cursor_new_for_display (gtk_widget_get_display (widget),
+ xpaned->cursor_type_west);
+ attributes_north.cursor = gdk_cursor_new_for_display (gtk_widget_get_display (widget),
+ xpaned->cursor_type_north);
+ attributes_south.cursor = gdk_cursor_new_for_display (gtk_widget_get_display (widget),
+ xpaned->cursor_type_south);
+ attributes_middle.cursor = gdk_cursor_new_for_display (gtk_widget_get_display (widget),
+ xpaned->cursor_type_middle);
+
+ attributes_east.event_mask = gtk_widget_get_events (widget);
+ attributes_west.event_mask = gtk_widget_get_events (widget);
+ attributes_north.event_mask = gtk_widget_get_events (widget);
+ attributes_south.event_mask = gtk_widget_get_events (widget);
+ attributes_middle.event_mask = gtk_widget_get_events (widget);
+
+ attributes_east.event_mask |= (GDK_BUTTON_PRESS_MASK |
+ GDK_BUTTON_RELEASE_MASK |
+ GDK_ENTER_NOTIFY_MASK |
+ GDK_LEAVE_NOTIFY_MASK |
+ GDK_POINTER_MOTION_MASK |
+ GDK_POINTER_MOTION_HINT_MASK);
+ attributes_west.event_mask |= (GDK_BUTTON_PRESS_MASK |
+ GDK_BUTTON_RELEASE_MASK |
+ GDK_ENTER_NOTIFY_MASK |
+ GDK_LEAVE_NOTIFY_MASK |
+ GDK_POINTER_MOTION_MASK |
+ GDK_POINTER_MOTION_HINT_MASK);
+ attributes_north.event_mask |= (GDK_BUTTON_PRESS_MASK |
+ GDK_BUTTON_RELEASE_MASK |
+ GDK_ENTER_NOTIFY_MASK |
+ GDK_LEAVE_NOTIFY_MASK |
+ GDK_POINTER_MOTION_MASK |
+ GDK_POINTER_MOTION_HINT_MASK);
+ attributes_south.event_mask |= (GDK_BUTTON_PRESS_MASK |
+ GDK_BUTTON_RELEASE_MASK |
+ GDK_ENTER_NOTIFY_MASK |
+ GDK_LEAVE_NOTIFY_MASK |
+ GDK_POINTER_MOTION_MASK |
+ GDK_POINTER_MOTION_HINT_MASK);
+ attributes_middle.event_mask |= (GDK_BUTTON_PRESS_MASK |
+ GDK_BUTTON_RELEASE_MASK |
+ GDK_ENTER_NOTIFY_MASK |
+ GDK_LEAVE_NOTIFY_MASK |
+ GDK_POINTER_MOTION_MASK |
+ GDK_POINTER_MOTION_HINT_MASK);
+
+ attributes_mask_east = GDK_WA_X | GDK_WA_Y | GDK_WA_CURSOR;
+ attributes_mask_west = GDK_WA_X | GDK_WA_Y | GDK_WA_CURSOR;
+ attributes_mask_north = GDK_WA_X | GDK_WA_Y | GDK_WA_CURSOR;
+ attributes_mask_south = GDK_WA_X | GDK_WA_Y | GDK_WA_CURSOR;
+ attributes_mask_middle = GDK_WA_X | GDK_WA_Y | GDK_WA_CURSOR;
+
+ xpaned->handle_east = gdk_window_new (widget->window,
+ &attributes_east,
+ attributes_mask_east);
+ xpaned->handle_west = gdk_window_new (widget->window,
+ &attributes_west,
+ attributes_mask_west);
+ xpaned->handle_north = gdk_window_new (widget->window,
+ &attributes_north,
+ attributes_mask_north);
+ xpaned->handle_south = gdk_window_new (widget->window,
+ &attributes_south,
+ attributes_mask_south);
+ xpaned->handle_middle = gdk_window_new (widget->window,
+ &attributes_middle,
+ attributes_mask_middle);
+
+ gdk_window_set_user_data (xpaned->handle_east, xpaned);
+ gdk_window_set_user_data (xpaned->handle_west, xpaned);
+ gdk_window_set_user_data (xpaned->handle_north, xpaned);
+ gdk_window_set_user_data (xpaned->handle_south, xpaned);
+ gdk_window_set_user_data (xpaned->handle_middle, xpaned);
+
+ gdk_cursor_unref (attributes_east.cursor);
+ gdk_cursor_unref (attributes_west.cursor);
+ gdk_cursor_unref (attributes_north.cursor);
+ gdk_cursor_unref (attributes_south.cursor);
+ gdk_cursor_unref (attributes_middle.cursor);
+
+ widget->style = gtk_style_attach (widget->style, widget->window);
+
+ if (xpaned->top_left_child && GTK_WIDGET_VISIBLE (xpaned->top_left_child) &&
+ xpaned->top_right_child && GTK_WIDGET_VISIBLE (xpaned->top_right_child) &&
+ xpaned->bottom_left_child && GTK_WIDGET_VISIBLE (xpaned->bottom_left_child) &&
+ xpaned->bottom_right_child && GTK_WIDGET_VISIBLE (xpaned->bottom_right_child))
+ {
+ gdk_window_show (xpaned->handle_east);
+ gdk_window_show (xpaned->handle_west);
+ gdk_window_show (xpaned->handle_north);
+ gdk_window_show (xpaned->handle_south);
+ gdk_window_show (xpaned->handle_middle);
+ }
+}
+
+static void gtk_xpaned_unrealize (GtkWidget *widget)
+{
+ GtkXPaned* xpaned = GTK_XPANED (widget);
+
+ if (xpaned->xor_gc)
+ {
+ g_object_unref (xpaned->xor_gc);
+ xpaned->xor_gc = NULL;
+ }
+
+ if (xpaned->handle_east)
+ {
+ gdk_window_set_user_data (xpaned->handle_east, NULL);
+ gdk_window_destroy (xpaned->handle_east);
+ xpaned->handle_east = NULL;
+ }
+
+ if (xpaned->handle_west)
+ {
+ gdk_window_set_user_data (xpaned->handle_west, NULL);
+ gdk_window_destroy (xpaned->handle_west);
+ xpaned->handle_west = NULL;
+ }
+
+ if (xpaned->handle_north)
+ {
+ gdk_window_set_user_data (xpaned->handle_north, NULL);
+ gdk_window_destroy (xpaned->handle_north);
+ xpaned->handle_north = NULL;
+ }
+
+ if (xpaned->handle_south)
+ {
+ gdk_window_set_user_data (xpaned->handle_south, NULL);
+ gdk_window_destroy (xpaned->handle_south);
+ xpaned->handle_south = NULL;
+ }
+
+ if (xpaned->handle_middle)
+ {
+ gdk_window_set_user_data (xpaned->handle_middle, NULL);
+ gdk_window_destroy (xpaned->handle_middle);
+ xpaned->handle_middle = NULL;
+ }
+
+ gtk_xpaned_set_last_top_left_child_focus (xpaned, NULL);
+ gtk_xpaned_set_last_top_right_child_focus (xpaned, NULL);
+ gtk_xpaned_set_last_bottom_left_child_focus (xpaned, NULL);
+ gtk_xpaned_set_last_bottom_right_child_focus (xpaned, NULL);
+ gtk_xpaned_set_saved_focus (xpaned, NULL);
+ gtk_xpaned_set_first_xpaned (xpaned, NULL);
+
+ if (GTK_WIDGET_CLASS (parent_class)->unrealize)
+ (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
+}
+
+static void gtk_xpaned_map (GtkWidget* widget)
+{
+ GtkXPaned* xpaned = GTK_XPANED (widget);
+
+ gdk_window_show (xpaned->handle_east);
+ gdk_window_show (xpaned->handle_west);
+ gdk_window_show (xpaned->handle_north);
+ gdk_window_show (xpaned->handle_south);
+ gdk_window_show (xpaned->handle_middle);
+
+ GTK_WIDGET_CLASS (parent_class)->map (widget);
+}
+
+static void gtk_xpaned_unmap (GtkWidget* widget)
+{
+ GtkXPaned* xpaned = GTK_XPANED (widget);
+
+ gdk_window_hide (xpaned->handle_east);
+ gdk_window_hide (xpaned->handle_west);
+ gdk_window_hide (xpaned->handle_north);
+ gdk_window_hide (xpaned->handle_south);
+ gdk_window_hide (xpaned->handle_middle);
+
+ GTK_WIDGET_CLASS (parent_class)->unmap (widget);
+}
+
+static gboolean gtk_xpaned_expose (GtkWidget* widget,
+ GdkEventExpose* event)
+{
+ GtkXPaned* xpaned = GTK_XPANED (widget);
+ gint handle_size;
+ GdkRectangle horizontalClipArea;
+ GdkRectangle verticalClipArea;
+
+ /* determine size of handle(s) */
+ gtk_widget_style_get (widget, "handle-size", &handle_size, NULL);
+
+ /* I want the handle-"thickness" to be at least 3 */
+ g_assert (handle_size >= 3);
+
+ if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_MAPPED (widget) &&
+ xpaned->top_left_child && GTK_WIDGET_VISIBLE (xpaned->top_left_child) &&
+ xpaned->top_right_child && GTK_WIDGET_VISIBLE (xpaned->top_right_child) &&
+ xpaned->bottom_left_child && GTK_WIDGET_VISIBLE (xpaned->bottom_left_child) &&
+ xpaned->bottom_right_child && GTK_WIDGET_VISIBLE (xpaned->bottom_right_child))
+ {
+ GtkStateType state;
+
+ if (gtk_widget_is_focus (widget))
+ state = GTK_STATE_SELECTED;
+ else if (xpaned->handle_prelit)
+ state = GTK_STATE_PRELIGHT;
+ else
+ state = GTK_WIDGET_STATE (widget);
+
+ horizontalClipArea.x = xpaned->handle_pos_west.x;
+ horizontalClipArea.y = xpaned->handle_pos_west.y;
+ horizontalClipArea.width = xpaned->handle_pos_west.width + handle_size + xpaned->handle_pos_east.width;
+ horizontalClipArea.height = handle_size;
+
+ verticalClipArea.x = xpaned->handle_pos_north.x;
+ verticalClipArea.y = xpaned->handle_pos_north.y;
+ verticalClipArea.width = handle_size;
+ verticalClipArea.height = xpaned->handle_pos_north.height + handle_size + xpaned->handle_pos_south.height;
+
+ gtk_paint_handle (widget->style,
+ widget->window,
+ state,
+ GTK_SHADOW_NONE,
+ &horizontalClipArea,
+ widget,
+ "paned",
+ xpaned->handle_pos_east.x - handle_size - 256 / 2,
+ xpaned->handle_pos_west.y + 1,
+ 256 + handle_size,
+ handle_size - 2,
+ /*xpaned->handle_pos_west.x,
+ xpaned->handle_pos_west.y + 1,
+ xpaned->handle_pos_west.width + handle_size + xpaned->handle_pos_east.width,
+ handle_size - 2,*/
+ GTK_ORIENTATION_HORIZONTAL);
+ gtk_paint_handle (widget->style,
+ widget->window,
+ state,
+ GTK_SHADOW_NONE,
+ &verticalClipArea,
+ widget,
+ "paned",
+ xpaned->handle_pos_north.x + 1,
+ xpaned->handle_pos_south.y - handle_size - 256 / 2,
+ handle_size - 2,
+ 256 + handle_size,
+ /*xpaned->handle_pos_north.x + 1,
+ xpaned->handle_pos_north.y,
+ handle_size - 2,
+ xpaned->handle_pos_north.height + handle_size + xpaned->handle_pos_south.height,*/
+ GTK_ORIENTATION_VERTICAL);
+ }
+
+ /* Chain up to draw children */
+ GTK_WIDGET_CLASS (parent_class)->expose_event (widget, event);
+
+ return FALSE;
+}
+
+static gboolean is_rtl (GtkXPaned* xpaned)
+{
+ if (gtk_widget_get_direction (GTK_WIDGET (xpaned)) == GTK_TEXT_DIR_RTL)
+ return TRUE;
+
+ return FALSE;
+}
+
+static void update_drag (GtkXPaned* xpaned)
+{
+ GdkPoint pos;
+ gint handle_size;
+ GtkRequisition size;
+
+ gtk_widget_get_pointer (GTK_WIDGET (xpaned), &pos.x, &pos.y);
+
+ if (xpaned->in_drag_vert)
+ {
+ pos.y -= xpaned->drag_pos.y;
+
+ if (is_rtl (xpaned))
+ {
+ gtk_widget_style_get (GTK_WIDGET (xpaned),
+ "handle-size", &handle_size,
+ NULL);
+
+ size.height = GTK_WIDGET (xpaned)->allocation.height - pos.y - handle_size;
+ }
+ else
+ {
+ size.height = pos.y;
+ }
+
+ size.height -= GTK_CONTAINER (xpaned)->border_width;
+
+ size.height = CLAMP (size.height, xpaned->min_position.y, xpaned->max_position.y);
+
+ if (size.height != xpaned->top_left_child_size.height)
+ gtk_xpaned_set_position_y (xpaned, size.height);
+ }
+
+ if (xpaned->in_drag_horiz)
+ {
+ pos.x -= xpaned->drag_pos.x;
+
+ if (is_rtl (xpaned))
+ {
+ gtk_widget_style_get (GTK_WIDGET (xpaned),
+ "handle-size", &handle_size,
+ NULL);
+
+ size.width = GTK_WIDGET (xpaned)->allocation.width - pos.x - handle_size;
+ }
+ else
+ {
+ size.width = pos.x;
+ }
+
+ size.width -= GTK_CONTAINER (xpaned)->border_width;
+
+ size.width = CLAMP (size.width, xpaned->min_position.x, xpaned->max_position.x);
+
+ if (size.width != xpaned->top_left_child_size.width)
+ gtk_xpaned_set_position_x (xpaned, size.width);
+ }
+
+ if (xpaned->in_drag_vert_and_horiz)
+ {
+ pos.x -= xpaned->drag_pos.x;
+ pos.y -= xpaned->drag_pos.y;
+
+ if (is_rtl (xpaned))
+ {
+ gtk_widget_style_get (GTK_WIDGET (xpaned),
+ "handle-size", &handle_size,
+ NULL);
+
+ size.width = GTK_WIDGET (xpaned)->allocation.width - pos.x - handle_size;
+ size.height = GTK_WIDGET (xpaned)->allocation.height - pos.y - handle_size;
+ }
+ else
+ {
+ size.width = pos.x;
+ size.height = pos.y;
+ }
+
+ size.width -= GTK_CONTAINER (xpaned)->border_width;
+ size.height -= GTK_CONTAINER (xpaned)->border_width;
+
+ size.width = CLAMP (size.width, xpaned->min_position.x, xpaned->max_position.x);
+ size.height = CLAMP (size.height, xpaned->min_position.y, xpaned->max_position.y);
+
+ if (size.width != xpaned->top_left_child_size.width)
+ gtk_xpaned_set_position_x (xpaned, size.width);
+
+ if (size.height != xpaned->top_left_child_size.height)
+ gtk_xpaned_set_position_y (xpaned, size.height);
+ }
+}
+
+static gboolean gtk_xpaned_enter (GtkWidget* widget, GdkEventCrossing* event)
+{
+ GtkXPaned* xpaned = GTK_XPANED (widget);
+
+ if (xpaned->in_drag_vert ||
+ xpaned->in_drag_horiz ||
+ xpaned->in_drag_vert_and_horiz)
+ update_drag (xpaned);
+ else
+ {
+ xpaned->handle_prelit = TRUE;
+
+ gtk_widget_queue_draw_area (widget,
+ xpaned->handle_pos_east.x,
+ xpaned->handle_pos_east.y,
+ xpaned->handle_pos_east.width,
+ xpaned->handle_pos_east.height);
+
+ gtk_widget_queue_draw_area (widget,
+ xpaned->handle_pos_west.x,
+ xpaned->handle_pos_west.y,
+ xpaned->handle_pos_west.width,
+ xpaned->handle_pos_west.height);
+
+ gtk_widget_queue_draw_area (widget,
+ xpaned->handle_pos_north.x,
+ xpaned->handle_pos_north.y,
+ xpaned->handle_pos_north.width,
+ xpaned->handle_pos_north.height);
+
+ gtk_widget_queue_draw_area (widget,
+ xpaned->handle_pos_south.x,
+ xpaned->handle_pos_south.y,
+ xpaned->handle_pos_south.width,
+ xpaned->handle_pos_south.height);
+
+ gtk_widget_queue_draw_area (widget,
+ xpaned->handle_pos_middle.x,
+ xpaned->handle_pos_middle.y,
+ xpaned->handle_pos_middle.width,
+ xpaned->handle_pos_middle.height);
+ }
+
+ return TRUE;
+}
+
+static gboolean gtk_xpaned_leave (GtkWidget* widget, GdkEventCrossing* event)
+{
+ GtkXPaned* xpaned = GTK_XPANED (widget);
+
+ if (xpaned->in_drag_vert ||
+ xpaned->in_drag_horiz ||
+ xpaned->in_drag_vert_and_horiz)
+ update_drag (xpaned);
+ else
+ {
+ xpaned->handle_prelit = FALSE;
+
+ gtk_widget_queue_draw_area (widget,
+ xpaned->handle_pos_east.x,
+ xpaned->handle_pos_east.y,
+ xpaned->handle_pos_east.width,
+ xpaned->handle_pos_east.height);
+
+ gtk_widget_queue_draw_area (widget,
+ xpaned->handle_pos_west.x,
+ xpaned->handle_pos_west.y,
+ xpaned->handle_pos_west.width,
+ xpaned->handle_pos_west.height);
+
+ gtk_widget_queue_draw_area (widget,
+ xpaned->handle_pos_north.x,
+ xpaned->handle_pos_north.y,
+ xpaned->handle_pos_north.width,
+ xpaned->handle_pos_north.height);
+
+ gtk_widget_queue_draw_area (widget,
+ xpaned->handle_pos_south.x,
+ xpaned->handle_pos_south.y,
+ xpaned->handle_pos_south.width,
+ xpaned->handle_pos_south.height);
+
+ gtk_widget_queue_draw_area (widget,
+ xpaned->handle_pos_middle.x,
+ xpaned->handle_pos_middle.y,
+ xpaned->handle_pos_middle.width,
+ xpaned->handle_pos_middle.height);
+ }
+
+ return TRUE;
+}
+
+static gboolean gtk_xpaned_focus (GtkWidget* widget, GtkDirectionType direction)
+{
+ gboolean retval;
+
+ /* This is a hack, but how can this be done without
+ * excessive cut-and-paste from gtkcontainer.c?
+ */
+
+ GTK_WIDGET_UNSET_FLAGS (widget, GTK_CAN_FOCUS);
+ retval = (* GTK_WIDGET_CLASS (parent_class)->focus) (widget, direction);
+ GTK_WIDGET_SET_FLAGS (widget, GTK_CAN_FOCUS);
+
+ return retval;
+}
+
+static gboolean gtk_xpaned_button_press (GtkWidget* widget,
+ GdkEventButton* event)
+{
+ GtkXPaned* xpaned = GTK_XPANED (widget);
+
+ /* if any child is currently maximized, jump right back */
+ if (xpaned->maximized[GTK_XPANED_TOP_LEFT] ||
+ xpaned->maximized[GTK_XPANED_TOP_RIGHT] ||
+ xpaned->maximized[GTK_XPANED_BOTTOM_LEFT] ||
+ xpaned->maximized[GTK_XPANED_BOTTOM_RIGHT])
+ return FALSE;
+
+ /* if user is dragging the handles around */
+ if (!xpaned->in_drag_vert_and_horiz &&
+ event->window != xpaned->handle_east &&
+ event->window != xpaned->handle_west &&
+ event->window != xpaned->handle_north &&
+ event->window != xpaned->handle_south &&
+ event->window == xpaned->handle_middle &&
+ event->button == 1)
+ {
+ xpaned->in_drag_vert_and_horiz = TRUE;
+
+ /* We need a server grab here, not gtk_grab_add(), since
+ * we don't want to pass events on to the widget's children */
+ if (gdk_pointer_grab (xpaned->handle_middle,
+ FALSE,
+ GDK_POINTER_MOTION_HINT_MASK
+ | GDK_BUTTON1_MOTION_MASK
+ | GDK_BUTTON_RELEASE_MASK
+ | GDK_ENTER_NOTIFY_MASK
+ | GDK_LEAVE_NOTIFY_MASK,
+ NULL,
+ NULL,
+ event->time) == GDK_GRAB_SUCCESS)
+ {
+ }
+
+ xpaned->drag_pos.x = event->x;
+ xpaned->drag_pos.y = event->y;
+
+ return TRUE;
+ }
+ else if (!xpaned->in_drag_vert &&
+ event->window == xpaned->handle_east &&
+ event->window != xpaned->handle_west &&
+ event->window != xpaned->handle_north &&
+ event->window != xpaned->handle_south &&
+ event->window != xpaned->handle_middle &&
+ event->button == 1)
+ {
+ xpaned->in_drag_vert = TRUE;
+
+ /* We need a server grab here, not gtk_grab_add(), since
+ * we don't want to pass events on to the widget's children */
+ if (gdk_pointer_grab (xpaned->handle_east,
+ FALSE,
+ GDK_POINTER_MOTION_HINT_MASK
+ | GDK_BUTTON1_MOTION_MASK
+ | GDK_BUTTON_RELEASE_MASK
+ | GDK_ENTER_NOTIFY_MASK
+ | GDK_LEAVE_NOTIFY_MASK,
+ NULL,
+ NULL,
+ event->time) == GDK_GRAB_SUCCESS)
+ {
+ }
+
+ xpaned->drag_pos.y = event->y;
+
+ return TRUE;
+ }
+ else if (!xpaned->in_drag_vert &&
+ event->window != xpaned->handle_east &&
+ event->window == xpaned->handle_west &&
+ event->window != xpaned->handle_north &&
+ event->window != xpaned->handle_south &&
+ event->window != xpaned->handle_middle &&
+ event->button == 1)
+ {
+ xpaned->in_drag_vert = TRUE;
+
+ /* We need a server grab here, not gtk_grab_add(), since
+ * we don't want to pass events on to the widget's children */
+ if (gdk_pointer_grab (xpaned->handle_west,
+ FALSE,
+ GDK_POINTER_MOTION_HINT_MASK
+ | GDK_BUTTON1_MOTION_MASK
+ | GDK_BUTTON_RELEASE_MASK
+ | GDK_ENTER_NOTIFY_MASK
+ | GDK_LEAVE_NOTIFY_MASK,
+ NULL,
+ NULL,
+ event->time) == GDK_GRAB_SUCCESS)
+ {
+ }
+
+ xpaned->drag_pos.y = event->y;
+
+ return TRUE;
+ }
+ else if (!xpaned->in_drag_horiz &&
+ event->window != xpaned->handle_east &&
+ event->window != xpaned->handle_west &&
+ event->window == xpaned->handle_north &&
+ event->window != xpaned->handle_south &&
+ event->window != xpaned->handle_middle &&
+ event->button == 1)
+ {
+ xpaned->in_drag_horiz = TRUE;
+
+ /* We need a server grab here, not gtk_grab_add(), since
+ * we don't want to pass events on to the widget's children */
+ if (gdk_pointer_grab (xpaned->handle_north,
+ FALSE,
+ GDK_POINTER_MOTION_HINT_MASK
+ | GDK_BUTTON1_MOTION_MASK
+ | GDK_BUTTON_RELEASE_MASK
+ | GDK_ENTER_NOTIFY_MASK
+ | GDK_LEAVE_NOTIFY_MASK,
+ NULL,
+ NULL,
+ event->time) == GDK_GRAB_SUCCESS)
+ {
+ }
+
+ xpaned->drag_pos.x = event->x;
+
+ return TRUE;
+ }
+ else if (!xpaned->in_drag_horiz &&
+ event->window != xpaned->handle_east &&
+ event->window != xpaned->handle_west &&
+ event->window != xpaned->handle_north &&
+ event->window == xpaned->handle_south &&
+ event->window != xpaned->handle_middle &&
+ event->button == 1)
+ {
+ xpaned->in_drag_horiz = TRUE;
+
+ /* We need a server grab here, not gtk_grab_add(), since
+ * we don't want to pass events on to the widget's children */
+ if (gdk_pointer_grab (xpaned->handle_south,
+ FALSE,
+ GDK_POINTER_MOTION_HINT_MASK
+ | GDK_BUTTON1_MOTION_MASK
+ | GDK_BUTTON_RELEASE_MASK
+ | GDK_ENTER_NOTIFY_MASK
+ | GDK_LEAVE_NOTIFY_MASK,
+ NULL,
+ NULL,
+ event->time) == GDK_GRAB_SUCCESS)
+ {
+ }
+
+ xpaned->drag_pos.x = event->x;
+
+ return TRUE;
+ }
+ return FALSE;
+}
+
+static gboolean gtk_xpaned_button_release (GtkWidget* widget,
+ GdkEventButton* event)
+{
+ GtkXPaned* xpaned = GTK_XPANED (widget);
+
+ if (xpaned->in_drag_vert && (event->button == 1))
+ {
+ xpaned->in_drag_vert = FALSE;
+ xpaned->drag_pos.y = -1;
+ xpaned->position_set = TRUE;
+ gdk_display_pointer_ungrab (gtk_widget_get_display (widget),
+ event->time);
+ return TRUE;
+ }
+ else if (xpaned->in_drag_horiz && (event->button == 1))
+ {
+ xpaned->in_drag_horiz = FALSE;
+ xpaned->drag_pos.x = -1;
+ xpaned->position_set = TRUE;
+ gdk_display_pointer_ungrab (gtk_widget_get_display (widget),
+ event->time);
+ return TRUE;
+ }
+ else if (xpaned->in_drag_vert_and_horiz && (event->button == 1))
+ {
+ xpaned->in_drag_vert_and_horiz = FALSE;
+ xpaned->drag_pos.x = -1;
+ xpaned->drag_pos.y = -1;
+ xpaned->position_set = TRUE;
+ gdk_display_pointer_ungrab (gtk_widget_get_display (widget),
+ event->time);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gboolean gtk_xpaned_motion (GtkWidget* widget, GdkEventMotion* event)
+{
+ GtkXPaned* xpaned = GTK_XPANED (widget);
+
+ if (xpaned->in_drag_vert ||
+ xpaned->in_drag_horiz ||
+ xpaned->in_drag_vert_and_horiz)
+
+ {
+ update_drag (xpaned);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+void gtk_xpaned_add_top_left (GtkXPaned* xpaned, GtkWidget *widget)
+{
+ gtk_xpaned_pack_top_left (xpaned, widget, FALSE, TRUE);
+}
+
+void gtk_xpaned_add_top_right (GtkXPaned* xpaned, GtkWidget *widget)
+{
+ gtk_xpaned_pack_top_right (xpaned, widget, FALSE, TRUE);
+}
+
+void gtk_xpaned_add_bottom_left (GtkXPaned* xpaned, GtkWidget *widget)
+{
+ gtk_xpaned_pack_bottom_left (xpaned, widget, FALSE, TRUE);
+}
+
+void gtk_xpaned_add_bottom_right (GtkXPaned* xpaned, GtkWidget *widget)
+{
+ gtk_xpaned_pack_bottom_right (xpaned, widget, FALSE, TRUE);
+}
+
+void gtk_xpaned_pack_top_left (GtkXPaned* xpaned,
+ GtkWidget* child,
+ gboolean resize,
+ gboolean shrink)
+{
+ g_return_if_fail (GTK_IS_XPANED (xpaned));
+ g_return_if_fail (GTK_IS_WIDGET (child));
+
+ if (!xpaned->top_left_child)
+ {
+ xpaned->top_left_child = child;
+ xpaned->top_left_child_resize = resize;
+ xpaned->top_left_child_shrink = shrink;
+
+ gtk_widget_set_parent (child, GTK_WIDGET (xpaned));
+ }
+}
+
+void gtk_xpaned_pack_top_right (GtkXPaned* xpaned,
+ GtkWidget* child,
+ gboolean resize,
+ gboolean shrink)
+{
+ g_return_if_fail (GTK_IS_XPANED (xpaned));
+ g_return_if_fail (GTK_IS_WIDGET (child));
+
+ if (!xpaned->top_right_child)
+ {
+ xpaned->top_right_child = child;
+ xpaned->top_right_child_resize = resize;
+ xpaned->top_right_child_shrink = shrink;
+
+ gtk_widget_set_parent (child, GTK_WIDGET (xpaned));
+ }
+}
+
+void gtk_xpaned_pack_bottom_left (GtkXPaned* xpaned,
+ GtkWidget* child,
+ gboolean resize,
+ gboolean shrink)
+{
+ g_return_if_fail (GTK_IS_XPANED (xpaned));
+ g_return_if_fail (GTK_IS_WIDGET (child));
+
+ if (!xpaned->bottom_left_child)
+ {
+ xpaned->bottom_left_child = child;
+ xpaned->bottom_left_child_resize = resize;
+ xpaned->bottom_left_child_shrink = shrink;
+
+ gtk_widget_set_parent (child, GTK_WIDGET (xpaned));
+ }
+}
+
+void gtk_xpaned_pack_bottom_right (GtkXPaned* xpaned,
+ GtkWidget* child,
+ gboolean resize,
+ gboolean shrink)
+{
+ g_return_if_fail (GTK_IS_XPANED (xpaned));
+ g_return_if_fail (GTK_IS_WIDGET (child));
+
+ if (!xpaned->bottom_right_child)
+ {
+ xpaned->bottom_right_child = child;
+ xpaned->bottom_right_child_resize = resize;
+ xpaned->bottom_right_child_shrink = shrink;
+
+ gtk_widget_set_parent (child, GTK_WIDGET (xpaned));
+ }
+}
+
+static void gtk_xpaned_add (GtkContainer* container, GtkWidget* widget)
+{
+ GtkXPaned* xpaned;
+
+ g_return_if_fail (GTK_IS_XPANED (container));
+
+ xpaned = GTK_XPANED (container);
+
+ if (!xpaned->top_left_child)
+ gtk_xpaned_add_top_left (xpaned, widget);
+ else if (!xpaned->top_right_child)
+ gtk_xpaned_add_top_right (xpaned, widget);
+ else if (!xpaned->bottom_left_child)
+ gtk_xpaned_add_bottom_left (xpaned, widget);
+ else if (!xpaned->bottom_right_child)
+ gtk_xpaned_add_bottom_right (xpaned, widget);
+ else
+ g_warning ("GtkXPaned cannot have more than 4 children\n");
+}
+
+static void gtk_xpaned_remove (GtkContainer* container, GtkWidget* widget)
+{
+ GtkXPaned* xpaned;
+ gboolean was_visible;
+
+ xpaned = GTK_XPANED (container);
+ was_visible = GTK_WIDGET_VISIBLE (widget);
+
+ if (xpaned->top_left_child == widget)
+ {
+ gtk_widget_unparent (widget);
+
+ xpaned->top_left_child = NULL;
+
+ if (was_visible && GTK_WIDGET_VISIBLE (container))
+ gtk_widget_queue_resize (GTK_WIDGET (container));
+ }
+ else if (xpaned->top_right_child == widget)
+ {
+ gtk_widget_unparent (widget);
+
+ xpaned->top_right_child = NULL;
+
+ if (was_visible && GTK_WIDGET_VISIBLE (container))
+ gtk_widget_queue_resize (GTK_WIDGET (container));
+ }
+ else if (xpaned->bottom_left_child == widget)
+ {
+ gtk_widget_unparent (widget);
+
+ xpaned->bottom_left_child = NULL;
+
+ if (was_visible && GTK_WIDGET_VISIBLE (container))
+ gtk_widget_queue_resize (GTK_WIDGET (container));
+ }
+ else if (xpaned->bottom_right_child == widget)
+ {
+ gtk_widget_unparent (widget);
+
+ xpaned->bottom_right_child = NULL;
+
+ if (was_visible && GTK_WIDGET_VISIBLE (container))
+ gtk_widget_queue_resize (GTK_WIDGET (container));
+ }
+ else
+ g_warning ("GtkXPaned has no more children attached\n");
+
+}
+
+static void gtk_xpaned_forall (GtkContainer* container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data)
+{
+ GtkXPaned* xpaned;
+
+ g_return_if_fail (callback != NULL);
+
+ xpaned = GTK_XPANED (container);
+
+ if (xpaned->top_left_child)
+ (*callback) (xpaned->top_left_child, callback_data);
+ if (xpaned->top_right_child)
+ (*callback) (xpaned->top_right_child, callback_data);
+ if (xpaned->bottom_left_child)
+ (*callback) (xpaned->bottom_left_child, callback_data);
+ if (xpaned->bottom_right_child)
+ (*callback) (xpaned->bottom_right_child, callback_data);
+}
+
+/**
+ * gtk_xpaned_get_position_x:
+ * @paned: a #GtkXPaned widget
+ *
+ * Obtains the x-position of the divider.
+ *
+ * Return value: x-position of the divider
+ **/
+gint gtk_xpaned_get_position_x (GtkXPaned* xpaned)
+{
+ g_return_val_if_fail (GTK_IS_XPANED (xpaned), 0);
+
+ return xpaned->top_left_child_size.width;
+}
+
+/**
+ * gtk_xpaned_get_position_y:
+ * @paned: a #GtkXPaned widget
+ *
+ * Obtains the y-position of the divider.
+ *
+ * Return value: y-position of the divider
+ **/
+gint gtk_xpaned_get_position_y (GtkXPaned* xpaned)
+{
+ g_return_val_if_fail (GTK_IS_XPANED (xpaned), 0);
+
+ return xpaned->top_left_child_size.height;
+}
+
+/**
+ * gtk_xpaned_set_position_x:
+ * @paned: a #GtkXPaned widget
+ * @xposition: pixel x-position of divider, a negative values
+ * of a component mean that the position is unset.
+ *
+ * Sets the x-position of the divider between the four panes.
+ **/
+void gtk_xpaned_set_position_x (GtkXPaned* xpaned, gint xposition)
+{
+ GObject* object;
+
+ g_return_if_fail (GTK_IS_XPANED (xpaned));
+
+ /* if any child is currently maximized, jump right back */
+ if (xpaned->maximized[GTK_XPANED_TOP_LEFT] ||
+ xpaned->maximized[GTK_XPANED_TOP_RIGHT] ||
+ xpaned->maximized[GTK_XPANED_BOTTOM_LEFT] ||
+ xpaned->maximized[GTK_XPANED_BOTTOM_RIGHT])
+ return;
+
+ object = G_OBJECT (xpaned);
+
+ if (xposition >= 0)
+ {
+ /* We don't clamp here - the assumption is that
+ * if the total allocation changes at the same time
+ * as the position, the position set is with reference
+ * to the new total size. If only the position changes,
+ * then clamping will occur in gtk_paned_compute_position()
+ */
+
+ xpaned->top_left_child_size.width = xposition;
+ xpaned->position_set = TRUE;
+ }
+ else
+ {
+ xpaned->position_set = FALSE;
+ }
+
+ g_object_freeze_notify (object);
+ g_object_notify (object, "x-position");
+ g_object_notify (object, "position-set");
+ g_object_thaw_notify (object);
+
+ gtk_widget_queue_resize (GTK_WIDGET (xpaned));
+}
+
+/**
+ * gtk_xpaned_set_position_y:
+ * @paned: a #GtkXPaned widget
+ * @yposition: pixel y-position of divider, a negative values
+ * of a component mean that the position is unset.
+ *
+ * Sets the y-position of the divider between the four panes.
+ **/
+void gtk_xpaned_set_position_y (GtkXPaned* xpaned, gint yposition)
+{
+ GObject* object;
+
+ g_return_if_fail (GTK_IS_XPANED (xpaned));
+
+ /* if any child is currently maximized, jump right back */
+ if (xpaned->maximized[GTK_XPANED_TOP_LEFT] ||
+ xpaned->maximized[GTK_XPANED_TOP_RIGHT] ||
+ xpaned->maximized[GTK_XPANED_BOTTOM_LEFT] ||
+ xpaned->maximized[GTK_XPANED_BOTTOM_RIGHT])
+ return;
+
+ object = G_OBJECT (xpaned);
+
+ if (yposition >= 0)
+ {
+ /* We don't clamp here - the assumption is that
+ * if the total allocation changes at the same time
+ * as the position, the position set is with reference
+ * to the new total size. If only the position changes,
+ * then clamping will occur in gtk_paned_compute_position()
+ */
+
+ xpaned->top_left_child_size.height = yposition;
+ xpaned->position_set = TRUE;
+ }
+ else
+ {
+ xpaned->position_set = FALSE;
+ }
+
+ g_object_freeze_notify (object);
+ g_object_notify (object, "y-position");
+ g_object_notify (object, "position-set");
+ g_object_thaw_notify (object);
+
+ gtk_widget_queue_resize (GTK_WIDGET (xpaned));
+}
+
+/* this call is private and only intended for internal use! */
+void gtk_xpaned_save_unmaximized_x (GtkXPaned* xpaned)
+{
+ xpaned->unmaximized_position.x = gtk_xpaned_get_position_x (xpaned);
+}
+
+/* this call is private and only intended for internal use! */
+void gtk_xpaned_save_unmaximized_y (GtkXPaned* xpaned)
+{
+ xpaned->unmaximized_position.y = gtk_xpaned_get_position_y (xpaned);
+}
+
+/* this call is private and only intended for internal use! */
+gint gtk_xpaned_fetch_unmaximized_x (GtkXPaned* xpaned)
+{
+ return xpaned->unmaximized_position.x;
+}
+
+/* this call is private and only intended for internal use! */
+gint gtk_xpaned_fetch_unmaximized_y (GtkXPaned* xpaned)
+{
+ return xpaned->unmaximized_position.y;
+}
+
+/**
+ * gtk_xpaned_get_top_left_child:
+ * @xpaned: a #GtkXPaned widget
+ *
+ * Obtains the top-left child of the xpaned widget.
+ *
+ * Return value: top-left child, or %NULL if it is not set.
+ *
+ * Since: 2.4
+ **/
+GtkWidget* gtk_xpaned_get_top_left_child (GtkXPaned* xpaned)
+{
+ g_return_val_if_fail (GTK_IS_XPANED (xpaned), NULL);
+
+ return xpaned->top_left_child;
+}
+
+/**
+ * gtk_xpaned_get_top_right_child:
+ * @xpaned: a #GtkXPaned widget
+ *
+ * Obtains the top-right child of the xpaned widget.
+ *
+ * Return value: top-right child, or %NULL if it is not set.
+ *
+ * Since: 2.4
+ **/
+GtkWidget* gtk_xpaned_get_top_right_child (GtkXPaned* xpaned)
+{
+ g_return_val_if_fail (GTK_IS_XPANED (xpaned), NULL);
+
+ return xpaned->top_right_child;
+}
+
+/**
+ * gtk_xpaned_get_bottom_left_child:
+ * @xpaned: a #GtkXPaned widget
+ *
+ * Obtains the bottom-left child of the xpaned widget.
+ *
+ * Return value: bottom-left child, or %NULL if it is not set.
+ *
+ * Since: 2.4
+ **/
+GtkWidget* gtk_xpaned_get_bottom_left_child (GtkXPaned* xpaned)
+{
+ g_return_val_if_fail (GTK_IS_XPANED (xpaned), NULL);
+
+ return xpaned->bottom_left_child;
+}
+
+/**
+ * gtk_xpaned_get_bottom_right_child:
+ * @xpaned: a #GtkXPaned widget
+ *
+ * Obtains the bottom-right child of the xpaned widget.
+ *
+ * Return value: bottom-right child, or %NULL if it is not set.
+ *
+ * Since: 2.4
+ **/
+GtkWidget* gtk_xpaned_get_bottom_right_child (GtkXPaned* xpaned)
+{
+ g_return_val_if_fail (GTK_IS_XPANED (xpaned), NULL);
+
+ return xpaned->bottom_right_child;
+}
+
+gboolean gtk_xpaned_maximize_top_left (GtkXPaned* xpaned, gboolean maximize)
+{
+ if (maximize)
+ {
+ /* see if any child is already maximized */
+ if (!xpaned->maximized[GTK_XPANED_TOP_LEFT] &&
+ !xpaned->maximized[GTK_XPANED_TOP_RIGHT] &&
+ !xpaned->maximized[GTK_XPANED_BOTTOM_LEFT] &&
+ !xpaned->maximized[GTK_XPANED_BOTTOM_RIGHT])
+ {
+ /* save current position */
+ gtk_xpaned_save_unmaximized_x (xpaned);
+ gtk_xpaned_save_unmaximized_y (xpaned);
+
+ /* set new maximized position */
+ gtk_xpaned_set_position_x (xpaned, xpaned->max_position.x);
+ gtk_xpaned_set_position_y (xpaned, xpaned->max_position.y);
+
+ /* mark maximized flag for top-left child */
+ xpaned->maximized[GTK_XPANED_TOP_LEFT] = TRUE;
+
+ return TRUE;
+ }
+ /* already one child maximized, report error */
+ else
+ return FALSE;
+ }
+ else
+ {
+ /* verify that top-left child is really currently maximized */
+ if (xpaned->maximized[GTK_XPANED_TOP_LEFT])
+ {
+ /* clear maximized flat for top-left child */
+ xpaned->maximized[GTK_XPANED_TOP_LEFT] = FALSE;
+
+ /* restore unmaximized position */
+ gtk_xpaned_set_position_x (xpaned, gtk_xpaned_fetch_unmaximized_x (xpaned));
+ gtk_xpaned_set_position_y (xpaned, gtk_xpaned_fetch_unmaximized_y (xpaned));
+
+ return TRUE;
+ }
+ /* top-left child is currently not maximized, report error */
+ else
+ return FALSE;
+ }
+}
+
+gboolean gtk_xpaned_maximize_top_right (GtkXPaned* xpaned, gboolean maximize)
+{
+ if (maximize)
+ {
+ /* see if any child is already maximized */
+ if (!xpaned->maximized[GTK_XPANED_TOP_LEFT] &&
+ !xpaned->maximized[GTK_XPANED_TOP_RIGHT] &&
+ !xpaned->maximized[GTK_XPANED_BOTTOM_LEFT] &&
+ !xpaned->maximized[GTK_XPANED_BOTTOM_RIGHT])
+ {
+ /* save current position */
+ gtk_xpaned_save_unmaximized_x (xpaned);
+ gtk_xpaned_save_unmaximized_y (xpaned);
+
+ /* set new maximized position */
+ gtk_xpaned_set_position_x (xpaned, xpaned->min_position.x);
+ gtk_xpaned_set_position_y (xpaned, xpaned->max_position.y);
+
+ /* mark maximized flag for top-right child */
+ xpaned->maximized[GTK_XPANED_TOP_RIGHT] = TRUE;
+
+ return TRUE;
+ }
+ /* already one child maximized, report error */
+ else
+ return FALSE;
+ }
+ else
+ {
+ /* verify that top-right child is really currently maximized */
+ if (xpaned->maximized[GTK_XPANED_TOP_RIGHT])
+ {
+ /* clear maximized flat for top-right child */
+ xpaned->maximized[GTK_XPANED_TOP_RIGHT] = FALSE;
+
+ /* restore unmaximized position */
+ gtk_xpaned_set_position_x (xpaned, gtk_xpaned_fetch_unmaximized_x (xpaned));
+ gtk_xpaned_set_position_y (xpaned, gtk_xpaned_fetch_unmaximized_y (xpaned));
+
+ return TRUE;
+ }
+ /* top-right child is currently not maximized, report error */
+ else
+ return FALSE;
+ }
+}
+
+gboolean gtk_xpaned_maximize_bottom_left (GtkXPaned* xpaned, gboolean maximize)
+{
+ if (maximize)
+ {
+ /* see if any child is already maximized */
+ if (!xpaned->maximized[GTK_XPANED_TOP_LEFT] &&
+ !xpaned->maximized[GTK_XPANED_TOP_RIGHT] &&
+ !xpaned->maximized[GTK_XPANED_BOTTOM_LEFT] &&
+ !xpaned->maximized[GTK_XPANED_BOTTOM_RIGHT])
+ {
+ /* save current position */
+ gtk_xpaned_save_unmaximized_x (xpaned);
+ gtk_xpaned_save_unmaximized_y (xpaned);
+
+ /* set new maximized position */
+ gtk_xpaned_set_position_x (xpaned, xpaned->max_position.x);
+ gtk_xpaned_set_position_y (xpaned, xpaned->min_position.y);
+
+ /* mark maximized flag for bottom-left child */
+ xpaned->maximized[GTK_XPANED_BOTTOM_LEFT] = TRUE;
+
+ return TRUE;
+ }
+ /* already one child maximized, report error */
+ else
+ return FALSE;
+ }
+ else
+ {
+ /* verify that bottom-left child is really currently maximized */
+ if (xpaned->maximized[GTK_XPANED_BOTTOM_LEFT])
+ {
+ /* clear maximized flat for bottom-left child */
+ xpaned->maximized[GTK_XPANED_BOTTOM_LEFT] = FALSE;
+
+ /* restore unmaximized position */
+ gtk_xpaned_set_position_x (xpaned, gtk_xpaned_fetch_unmaximized_x (xpaned));
+ gtk_xpaned_set_position_y (xpaned, gtk_xpaned_fetch_unmaximized_y (xpaned));
+
+ return TRUE;
+ }
+ /* bottom-left child is currently not maximized, report error */
+ else
+ return FALSE;
+ }
+}
+
+gboolean gtk_xpaned_maximize_bottom_right (GtkXPaned* xpaned, gboolean maximize)
+{
+ if (maximize)
+ {
+ /* see if any child is already maximized */
+ if (!xpaned->maximized[GTK_XPANED_TOP_LEFT] &&
+ !xpaned->maximized[GTK_XPANED_TOP_RIGHT] &&
+ !xpaned->maximized[GTK_XPANED_BOTTOM_LEFT] &&
+ !xpaned->maximized[GTK_XPANED_BOTTOM_RIGHT])
+ {
+ /* save current position */
+ gtk_xpaned_save_unmaximized_x (xpaned);
+ gtk_xpaned_save_unmaximized_y (xpaned);
+
+ /* set new maximized position */
+ gtk_xpaned_set_position_x (xpaned, xpaned->min_position.x);
+ gtk_xpaned_set_position_y (xpaned, xpaned->min_position.y);
+
+ /* mark maximized flag for bottom-right child */
+ xpaned->maximized[GTK_XPANED_BOTTOM_RIGHT] = TRUE;
+
+ return TRUE;
+ }
+ /* already one child maximized, report error */
+ else
+ return FALSE;
+ }
+ else
+ {
+ /* verify that bottom-right child is really currently maximized */
+ if (xpaned->maximized[GTK_XPANED_BOTTOM_RIGHT])
+ {
+ /* clear maximized flat for bottom-right child */
+ xpaned->maximized[GTK_XPANED_BOTTOM_RIGHT] = FALSE;
+
+ /* restore unmaximized position */
+ gtk_xpaned_set_position_x (xpaned, gtk_xpaned_fetch_unmaximized_x (xpaned));
+ gtk_xpaned_set_position_y (xpaned, gtk_xpaned_fetch_unmaximized_y (xpaned));
+
+ return TRUE;
+ }
+ /* bottom-right child is currently not maximized, report error */
+ else
+ return FALSE;
+ }
+}
+
+void
+gtk_xpaned_compute_position (GtkXPaned* xpaned,
+ const GtkAllocation* allocation,
+ GtkRequisition* top_left_child_req,
+ GtkRequisition* top_right_child_req,
+ GtkRequisition* bottom_left_child_req,
+ GtkRequisition* bottom_right_child_req)
+{
+ GdkPoint old_position;
+ GdkPoint old_min_position;
+ GdkPoint old_max_position;
+ gint handle_size;
+ gint border_width = GTK_CONTAINER (xpaned)->border_width;
+ float fX;
+ float fY;
+
+ g_return_if_fail (GTK_IS_XPANED (xpaned));
+
+ old_position.x = xpaned->top_left_child_size.width;
+ old_position.y = xpaned->top_left_child_size.height;
+ old_min_position.x = xpaned->min_position.x;
+ old_min_position.y = xpaned->min_position.y;
+ old_max_position.x = xpaned->max_position.x;
+ old_max_position.y = xpaned->max_position.y;
+
+ fX = 100.0f * (float) old_position.x / (float) allocation->width;
+ fY = 100.0f * (float) old_position.y / (float) allocation->height;
+
+ xpaned->min_position.x = xpaned->top_left_child_shrink ? 0 : top_left_child_req->width;
+ xpaned->min_position.y = xpaned->top_left_child_shrink ? 0 : top_left_child_req->height;
+
+ gtk_widget_style_get (GTK_WIDGET (xpaned), "handle-size", &handle_size, NULL);
+
+ xpaned->max_position.x = allocation->width - 2 * border_width - handle_size;
+ xpaned->max_position.y = allocation->height - 2 * border_width - handle_size;
+ if (!xpaned->top_left_child_shrink)
+ xpaned->max_position.x = MAX (1, xpaned->max_position.x - top_left_child_req->width);
+ xpaned->max_position.x = MAX (xpaned->min_position.x, xpaned->max_position.x);
+
+ if (!xpaned->position_set)
+ {
+ if (xpaned->top_left_child_resize && !xpaned->top_right_child_resize)
+ {
+ xpaned->top_left_child_size.width = MAX (0, allocation->width - top_right_child_req->width);
+ xpaned->top_left_child_size.height = MAX (0, allocation->height - top_right_child_req->height);
+ }
+ else if (!xpaned->top_left_child_resize && xpaned->top_right_child_resize)
+ {
+ xpaned->top_left_child_size.width = top_left_child_req->width;
+ xpaned->top_left_child_size.height = top_left_child_req->height;
+ }
+ else if (top_left_child_req->width + top_right_child_req->width != 0)
+ {
+ xpaned->top_left_child_size.width = allocation->width * ((gdouble)top_left_child_req->width / (top_left_child_req->width + top_right_child_req->width)) + 0.5;
+ }
+ else if (top_left_child_req->height + top_right_child_req->height != 0)
+ {
+ xpaned->top_left_child_size.height = allocation->height * ((gdouble)top_left_child_req->height / (top_left_child_req->height + top_right_child_req->height)) + 0.5;
+ }
+ else
+ {
+ xpaned->top_left_child_size.width = allocation->width * 0.5 + 0.5;
+ xpaned->top_left_child_size.height = allocation->height * 0.5 + 0.5;
+ }
+ }
+ else
+ {
+ /* If the position was set before the initial allocation.
+ ** (paned->last_allocation <= 0) just clamp it and leave it. */
+ if (xpaned->last_allocation.width > 0)
+ {
+ if (xpaned->top_left_child_resize && !xpaned->top_right_child_resize)
+ {
+ xpaned->top_left_child_size.width += allocation->width
+ - xpaned->last_allocation.width;
+
+ xpaned->top_left_child_size.height += allocation->height
+ - xpaned->last_allocation.height;
+ }
+ else if (!(!xpaned->top_left_child_resize && xpaned->top_right_child_resize))
+ {
+ xpaned->top_left_child_size.width = allocation->width
+ * ((gdouble) xpaned->top_left_child_size.width / (xpaned->last_allocation.width))
+ + 0.5;
+
+ xpaned->top_left_child_size.height = allocation->height
+ * ((gdouble) xpaned->top_left_child_size.height / (xpaned->last_allocation.height))
+ + 0.5;
+ }
+ }
+ if (xpaned->last_allocation.height > 0)
+ {
+ if (xpaned->top_left_child_resize && !xpaned->top_right_child_resize)
+ {
+ xpaned->top_left_child_size.width += allocation->width - xpaned->last_allocation.width;
+ xpaned->top_left_child_size.height += allocation->height - xpaned->last_allocation.height;
+ }
+ else if (!(!xpaned->top_left_child_resize && xpaned->top_right_child_resize))
+ {
+ xpaned->top_left_child_size.width = allocation->width * ((gdouble) xpaned->top_left_child_size.width / (xpaned->last_allocation.width)) + 0.5;
+ xpaned->top_left_child_size.height = allocation->height * ((gdouble) xpaned->top_left_child_size.height / (xpaned->last_allocation.height)) + 0.5;
+ }
+ }
+
+ }
+
+ xpaned->top_left_child_size.width = CLAMP (xpaned->top_left_child_size.width,
+ xpaned->min_position.x,
+ xpaned->max_position.x);
+ xpaned->top_left_child_size.height = CLAMP (xpaned->top_left_child_size.height,
+ xpaned->min_position.y,
+ xpaned->max_position.y);
+
+ xpaned->top_right_child_size.width = CLAMP (xpaned->top_right_child_size.width,
+ xpaned->min_position.x,
+ xpaned->max_position.x);
+ xpaned->top_right_child_size.height = CLAMP (xpaned->top_right_child_size.height,
+ xpaned->min_position.y,
+ xpaned->max_position.y);
+
+ xpaned->bottom_left_child_size.width = CLAMP (xpaned->bottom_left_child_size.width,
+ xpaned->min_position.x,
+ xpaned->max_position.x);
+ xpaned->bottom_left_child_size.height = CLAMP (xpaned->bottom_left_child_size.height,
+ xpaned->min_position.y,
+ xpaned->max_position.y);
+
+ xpaned->bottom_right_child_size.width = CLAMP (xpaned->bottom_right_child_size.width,
+ xpaned->min_position.x,
+ xpaned->max_position.x);
+ xpaned->bottom_right_child_size.height = CLAMP (xpaned->bottom_right_child_size.height,
+ xpaned->min_position.y,
+ xpaned->max_position.y);
+
+ gtk_widget_set_child_visible (xpaned->top_left_child, TRUE);
+ gtk_widget_set_child_visible (xpaned->top_right_child, TRUE);
+ gtk_widget_set_child_visible (xpaned->bottom_left_child, TRUE);
+ gtk_widget_set_child_visible (xpaned->bottom_right_child, TRUE);
+
+ g_object_freeze_notify (G_OBJECT (xpaned));
+
+ if (xpaned->top_left_child_size.width != old_position.x)
+ g_object_notify (G_OBJECT (xpaned), "x-position");
+ if (xpaned->top_left_child_size.height != old_position.y)
+ g_object_notify (G_OBJECT (xpaned), "y-position");
+
+ if (xpaned->top_right_child_size.width != old_position.x)
+ g_object_notify (G_OBJECT (xpaned), "x-position");
+ if (xpaned->top_right_child_size.height != old_position.y)
+ g_object_notify (G_OBJECT (xpaned), "y-position");
+
+ if (xpaned->bottom_left_child_size.width != old_position.x)
+ g_object_notify (G_OBJECT (xpaned), "x-position");
+ if (xpaned->bottom_left_child_size.height != old_position.y)
+ g_object_notify (G_OBJECT (xpaned), "y-position");
+
+ if (xpaned->bottom_right_child_size.width != old_position.x)
+ g_object_notify (G_OBJECT (xpaned), "x-position");
+ if (xpaned->bottom_right_child_size.height != old_position.y)
+ g_object_notify (G_OBJECT (xpaned), "y-position");
+
+ if (xpaned->min_position.x != old_min_position.x)
+ g_object_notify (G_OBJECT (xpaned), "min-x-position");
+ if (xpaned->min_position.y != old_min_position.y)
+ g_object_notify (G_OBJECT (xpaned), "min-y-position");
+
+ if (xpaned->max_position.x != old_max_position.x)
+ g_object_notify (G_OBJECT (xpaned), "max-y-position");
+ if (xpaned->max_position.y != old_max_position.y)
+ g_object_notify (G_OBJECT (xpaned), "max-y-position");
+
+ g_object_thaw_notify (G_OBJECT (xpaned));
+
+ xpaned->last_allocation.width = allocation->width;
+ xpaned->last_allocation.height = allocation->height;
+
+ fX = 100.0f * (float) old_position.x / (float) allocation->width;
+ fY = 100.0f * (float) old_position.y / (float) allocation->height;
+}
+
+static void gtk_xpaned_set_saved_focus (GtkXPaned* xpaned, GtkWidget* widget)
+{
+ if (xpaned->priv->saved_focus)
+ g_object_remove_weak_pointer (G_OBJECT (xpaned->priv->saved_focus),
+ (gpointer *)&(xpaned->priv->saved_focus));
+
+ xpaned->priv->saved_focus = widget;
+
+ if (xpaned->priv->saved_focus)
+ g_object_add_weak_pointer (G_OBJECT (xpaned->priv->saved_focus),
+ (gpointer *)&(xpaned->priv->saved_focus));
+}
+
+static void gtk_xpaned_set_first_xpaned (GtkXPaned* xpaned,
+ GtkXPaned* first_xpaned)
+{
+ if (xpaned->priv->first_xpaned)
+ g_object_remove_weak_pointer (G_OBJECT (xpaned->priv->first_xpaned),
+ (gpointer *)&(xpaned->priv->first_xpaned));
+
+ xpaned->priv->first_xpaned = first_xpaned;
+
+ if (xpaned->priv->first_xpaned)
+ g_object_add_weak_pointer (G_OBJECT (xpaned->priv->first_xpaned),
+ (gpointer *)&(xpaned->priv->first_xpaned));
+}
+
+static void gtk_xpaned_set_last_top_left_child_focus (GtkXPaned* xpaned,
+ GtkWidget* widget)
+{
+ if (xpaned->last_top_left_child_focus)
+ g_object_remove_weak_pointer (G_OBJECT (xpaned->last_top_left_child_focus),
+ (gpointer *)&(xpaned->last_top_left_child_focus));
+
+ xpaned->last_top_left_child_focus = widget;
+
+ if (xpaned->last_top_left_child_focus)
+ g_object_add_weak_pointer (G_OBJECT (xpaned->last_top_left_child_focus),
+ (gpointer *)&(xpaned->last_top_left_child_focus));
+}
+
+static void gtk_xpaned_set_last_top_right_child_focus (GtkXPaned* xpaned,
+ GtkWidget *widget)
+{
+ if (xpaned->last_top_right_child_focus)
+ g_object_remove_weak_pointer (G_OBJECT (xpaned->last_top_right_child_focus),
+ (gpointer *)&(xpaned->last_top_right_child_focus));
+
+ xpaned->last_top_right_child_focus = widget;
+
+ if (xpaned->last_top_right_child_focus)
+ g_object_add_weak_pointer (G_OBJECT (xpaned->last_top_right_child_focus),
+ (gpointer *)&(xpaned->last_top_right_child_focus));
+}
+
+static void gtk_xpaned_set_last_bottom_left_child_focus (GtkXPaned* xpaned,
+ GtkWidget *widget)
+{
+ if (xpaned->last_bottom_left_child_focus)
+ g_object_remove_weak_pointer (G_OBJECT (xpaned->last_bottom_left_child_focus),
+ (gpointer *)&(xpaned->last_bottom_left_child_focus));
+
+ xpaned->last_bottom_left_child_focus = widget;
+
+ if (xpaned->last_bottom_left_child_focus)
+ g_object_add_weak_pointer (G_OBJECT (xpaned->last_bottom_left_child_focus),
+ (gpointer *)&(xpaned->last_bottom_left_child_focus));
+}
+
+static void gtk_xpaned_set_last_bottom_right_child_focus (GtkXPaned* xpaned,
+ GtkWidget *widget)
+{
+ if (xpaned->last_bottom_right_child_focus)
+ g_object_remove_weak_pointer (G_OBJECT (xpaned->last_bottom_right_child_focus),
+ (gpointer *)&(xpaned->last_bottom_right_child_focus));
+
+ xpaned->last_bottom_right_child_focus = widget;
+
+ if (xpaned->last_bottom_right_child_focus)
+ g_object_add_weak_pointer (G_OBJECT (xpaned->last_bottom_right_child_focus),
+ (gpointer *)&(xpaned->last_bottom_right_child_focus));
+}
+
+static GtkWidget* xpaned_get_focus_widget (GtkXPaned* xpaned)
+{
+ GtkWidget* toplevel;
+
+ toplevel = gtk_widget_get_toplevel (GTK_WIDGET (xpaned));
+ if (GTK_WIDGET_TOPLEVEL (toplevel))
+ return GTK_WINDOW (toplevel)->focus_widget;
+
+ return NULL;
+}
+
+static void gtk_xpaned_set_focus_child (GtkContainer* container,
+ GtkWidget* focus_child)
+{
+ GtkXPaned* xpaned;
+
+ g_return_if_fail (GTK_IS_XPANED (container));
+
+ xpaned = GTK_XPANED (container);
+
+ if (focus_child == NULL)
+ {
+ GtkWidget* last_focus;
+ GtkWidget* w;
+
+ last_focus = xpaned_get_focus_widget (xpaned);
+
+ if (last_focus)
+ {
+ /* If there is one or more paned widgets between us and the
+ * focus widget, we want the topmost of those as last_focus
+ */
+ for (w = last_focus; w != GTK_WIDGET (xpaned); w = w->parent)
+ if (GTK_IS_XPANED (w))
+ last_focus = w;
+
+ if (container->focus_child == xpaned->top_left_child)
+ gtk_xpaned_set_last_top_left_child_focus (xpaned, last_focus);
+ else if (container->focus_child == xpaned->top_right_child)
+ gtk_xpaned_set_last_top_right_child_focus (xpaned, last_focus);
+ else if (container->focus_child == xpaned->bottom_left_child)
+ gtk_xpaned_set_last_bottom_left_child_focus (xpaned, last_focus);
+ else if (container->focus_child == xpaned->bottom_right_child)
+ gtk_xpaned_set_last_bottom_right_child_focus (xpaned, last_focus);
+ }
+ }
+
+ if (parent_class->set_focus_child)
+ (* parent_class->set_focus_child) (container, focus_child);
+}
+
+static void gtk_xpaned_get_cycle_chain (GtkXPaned* xpaned,
+ GtkDirectionType direction,
+ GList** widgets)
+{
+ GtkContainer* container = GTK_CONTAINER (xpaned);
+ GtkWidget* ancestor = NULL;
+ GList* temp_list = NULL;
+ GList* list;
+
+ if (xpaned->in_recursion)
+ return;
+
+ g_assert (widgets != NULL);
+
+ if (xpaned->last_top_left_child_focus &&
+ !gtk_widget_is_ancestor (xpaned->last_top_left_child_focus,
+ GTK_WIDGET (xpaned)))
+ {
+ gtk_xpaned_set_last_top_left_child_focus (xpaned, NULL);
+ }
+
+ if (xpaned->last_top_right_child_focus &&
+ !gtk_widget_is_ancestor (xpaned->last_top_right_child_focus,
+ GTK_WIDGET (xpaned)))
+ {
+ gtk_xpaned_set_last_top_right_child_focus (xpaned, NULL);
+ }
+
+ if (xpaned->last_bottom_left_child_focus &&
+ !gtk_widget_is_ancestor (xpaned->last_bottom_left_child_focus,
+ GTK_WIDGET (xpaned)))
+ {
+ gtk_xpaned_set_last_bottom_left_child_focus (xpaned, NULL);
+ }
+
+ if (xpaned->last_bottom_right_child_focus &&
+ !gtk_widget_is_ancestor (xpaned->last_bottom_right_child_focus,
+ GTK_WIDGET (xpaned)))
+ {
+ gtk_xpaned_set_last_bottom_right_child_focus (xpaned, NULL);
+ }
+
+ if (GTK_WIDGET (xpaned)->parent)
+ ancestor = gtk_widget_get_ancestor (GTK_WIDGET (xpaned)->parent,
+ GTK_TYPE_XPANED);
+
+ /* The idea here is that temp_list is a list of widgets we want to cycle
+ * to. The list is prioritized so that the first element is our first
+ * choice, the next our second, and so on.
+ *
+ * We can't just use g_list_reverse(), because we want to try
+ * paned->last_child?_focus before paned->child?, both when we
+ * are going forward and backward.
+ */
+ if (direction == GTK_DIR_TAB_FORWARD)
+ {
+ if (container->focus_child == xpaned->top_left_child)
+ {
+ temp_list = g_list_append (temp_list, xpaned->last_top_right_child_focus);
+ temp_list = g_list_append (temp_list, xpaned->top_right_child);
+ temp_list = g_list_append (temp_list, ancestor);
+ }
+ else if (container->focus_child == xpaned->top_right_child)
+ {
+ temp_list = g_list_append (temp_list, ancestor);
+ temp_list = g_list_append (temp_list, xpaned->last_bottom_left_child_focus);
+ temp_list = g_list_append (temp_list, xpaned->bottom_left_child);
+ }
+ else if (container->focus_child == xpaned->bottom_left_child)
+ {
+ temp_list = g_list_append (temp_list, ancestor);
+ temp_list = g_list_append (temp_list, xpaned->last_bottom_right_child_focus);
+ temp_list = g_list_append (temp_list, xpaned->bottom_right_child);
+ }
+ else if (container->focus_child == xpaned->bottom_right_child)
+ {
+ temp_list = g_list_append (temp_list, ancestor);
+ temp_list = g_list_append (temp_list, xpaned->last_top_left_child_focus);
+ temp_list = g_list_append (temp_list, xpaned->top_left_child);
+ }
+ else
+ {
+ temp_list = g_list_append (temp_list, xpaned->last_top_left_child_focus);
+ temp_list = g_list_append (temp_list, xpaned->top_left_child);
+ temp_list = g_list_append (temp_list, xpaned->last_top_right_child_focus);
+ temp_list = g_list_append (temp_list, xpaned->top_right_child);
+ temp_list = g_list_append (temp_list, xpaned->last_bottom_left_child_focus);
+ temp_list = g_list_append (temp_list, xpaned->bottom_left_child);
+ temp_list = g_list_append (temp_list, xpaned->last_bottom_right_child_focus);
+ temp_list = g_list_append (temp_list, xpaned->bottom_right_child);
+ temp_list = g_list_append (temp_list, ancestor);
+ }
+ }
+ else
+ {
+ if (container->focus_child == xpaned->top_left_child)
+ {
+ temp_list = g_list_append (temp_list, ancestor);
+ temp_list = g_list_append (temp_list, xpaned->last_top_right_child_focus);
+ temp_list = g_list_append (temp_list, xpaned->top_right_child);
+ }
+ else if (container->focus_child == xpaned->top_right_child)
+ {
+ temp_list = g_list_append (temp_list, xpaned->last_bottom_left_child_focus);
+ temp_list = g_list_append (temp_list, xpaned->bottom_left_child);
+ temp_list = g_list_append (temp_list, ancestor);
+ }
+ else if (container->focus_child == xpaned->bottom_right_child)
+ {
+ temp_list = g_list_append (temp_list, xpaned->last_bottom_left_child_focus);
+ temp_list = g_list_append (temp_list, xpaned->bottom_left_child);
+ temp_list = g_list_append (temp_list, ancestor);
+ }
+ else if (container->focus_child == xpaned->top_right_child)
+ {
+ temp_list = g_list_append (temp_list, xpaned->last_bottom_left_child_focus);
+ temp_list = g_list_append (temp_list, xpaned->bottom_left_child);
+ temp_list = g_list_append (temp_list, ancestor);
+ }
+ else
+ {
+ temp_list = g_list_append (temp_list, xpaned->last_bottom_right_child_focus);
+ temp_list = g_list_append (temp_list, xpaned->bottom_right_child);
+ temp_list = g_list_append (temp_list, xpaned->last_bottom_left_child_focus);
+ temp_list = g_list_append (temp_list, xpaned->bottom_left_child);
+ temp_list = g_list_append (temp_list, xpaned->last_top_right_child_focus);
+ temp_list = g_list_append (temp_list, xpaned->top_right_child);
+ temp_list = g_list_append (temp_list, xpaned->last_top_left_child_focus);
+ temp_list = g_list_append (temp_list, xpaned->top_left_child);
+ temp_list = g_list_append (temp_list, ancestor);
+ }
+ }
+
+ /* Walk the list and expand all the paned widgets. */
+ for (list = temp_list; list != NULL; list = list->next)
+ {
+ GtkWidget *widget = list->data;
+
+ if (widget)
+ {
+ if (GTK_IS_XPANED (widget))
+ {
+ xpaned->in_recursion = TRUE;
+ gtk_xpaned_get_cycle_chain (GTK_XPANED (widget),
+ direction,
+ widgets);
+ xpaned->in_recursion = FALSE;
+ }
+ else
+ {
+ *widgets = g_list_append (*widgets, widget);
+ }
+ }
+ }
+
+ g_list_free (temp_list);
+}
+
+static gboolean gtk_xpaned_cycle_child_focus (GtkXPaned* xpaned,
+ gboolean reversed)
+{
+ GList* cycle_chain = NULL;
+ GList* list;
+
+ GtkDirectionType direction = reversed ? GTK_DIR_TAB_BACKWARD : GTK_DIR_TAB_FORWARD;
+
+ /* ignore f6 if the handle is focused */
+ if (gtk_widget_is_focus (GTK_WIDGET (xpaned)))
+ return TRUE;
+
+ /* we can't just let the event propagate up the hierarchy,
+ * because the paned will want to cycle focus _unless_ an
+ * ancestor paned handles the event
+ */
+ gtk_xpaned_get_cycle_chain (xpaned, direction, &cycle_chain);
+
+ for (list = cycle_chain; list != NULL; list = list->next)
+ if (gtk_widget_child_focus (GTK_WIDGET (list->data), direction))
+ break;
+
+ g_list_free (cycle_chain);
+
+ return TRUE;
+}
+
+static void get_child_xpanes (GtkWidget* widget, GList** xpanes)
+{
+ if (GTK_IS_XPANED (widget))
+ {
+ GtkXPaned* xpaned = GTK_XPANED (widget);
+
+ get_child_xpanes (xpaned->top_left_child, xpanes);
+ *xpanes = g_list_prepend (*xpanes, widget);
+ get_child_xpanes (xpaned->top_right_child, xpanes);
+ *xpanes = g_list_prepend (*xpanes, widget);
+ get_child_xpanes (xpaned->bottom_left_child, xpanes);
+ *xpanes = g_list_prepend (*xpanes, widget);
+ get_child_xpanes (xpaned->bottom_right_child, xpanes);
+ }
+ else if (GTK_IS_CONTAINER (widget))
+ {
+ gtk_container_foreach (GTK_CONTAINER (widget),
+ (GtkCallback)get_child_xpanes,
+ xpanes);
+ }
+}
+
+static GList* get_all_xpanes (GtkXPaned* xpaned)
+{
+ GtkXPaned* topmost = NULL;
+ GList* result = NULL;
+ GtkWidget* w;
+
+ for (w = GTK_WIDGET (xpaned); w != NULL; w = w->parent)
+ {
+ if (GTK_IS_XPANED (w))
+ topmost = GTK_XPANED (w);
+ }
+
+ g_assert (topmost);
+
+ get_child_xpanes (GTK_WIDGET (topmost), &result);
+
+ return g_list_reverse (result);
+}
+
+static void gtk_xpaned_find_neighbours (GtkXPaned* xpaned,
+ GtkXPaned** next,
+ GtkXPaned** prev)
+{
+ GList* all_xpanes;
+ GList* this_link;
+
+ all_xpanes = get_all_xpanes (xpaned);
+ g_assert (all_xpanes);
+
+ this_link = g_list_find (all_xpanes, xpaned);
+
+ g_assert (this_link);
+
+ if (this_link->next)
+ *next = this_link->next->data;
+ else
+ *next = all_xpanes->data;
+
+ if (this_link->prev)
+ *prev = this_link->prev->data;
+ else
+ *prev = g_list_last (all_xpanes)->data;
+
+ g_list_free (all_xpanes);
+}
+
+static gboolean gtk_xpaned_move_handle (GtkXPaned* xpaned, GtkScrollType scroll)
+{
+ if (gtk_widget_is_focus (GTK_WIDGET (xpaned)))
+ {
+ GdkPoint old_position;
+ GdkPoint new_position;
+ gint increment;
+
+ enum
+ {
+ SINGLE_STEP_SIZE = 1,
+ PAGE_STEP_SIZE = 75
+ };
+
+ new_position.x = old_position.x = gtk_xpaned_get_position_x (xpaned);
+ new_position.y = old_position.y = gtk_xpaned_get_position_y (xpaned);
+ increment = 0;
+
+ switch (scroll)
+ {
+ case GTK_SCROLL_STEP_LEFT:
+ case GTK_SCROLL_STEP_UP:
+ case GTK_SCROLL_STEP_BACKWARD:
+ increment = - SINGLE_STEP_SIZE;
+ break;
+
+ case GTK_SCROLL_STEP_RIGHT:
+ case GTK_SCROLL_STEP_DOWN:
+ case GTK_SCROLL_STEP_FORWARD:
+ increment = SINGLE_STEP_SIZE;
+ break;
+
+ case GTK_SCROLL_PAGE_LEFT:
+ case GTK_SCROLL_PAGE_UP:
+ case GTK_SCROLL_PAGE_BACKWARD:
+ increment = - PAGE_STEP_SIZE;
+ break;
+
+ case GTK_SCROLL_PAGE_RIGHT:
+ case GTK_SCROLL_PAGE_DOWN:
+ case GTK_SCROLL_PAGE_FORWARD:
+ increment = PAGE_STEP_SIZE;
+ break;
+
+ case GTK_SCROLL_START:
+ new_position.x = xpaned->min_position.x;
+ new_position.y = xpaned->min_position.y;
+ break;
+
+ case GTK_SCROLL_END:
+ new_position.x = xpaned->max_position.x;
+ new_position.y = xpaned->max_position.y;
+ break;
+
+ default:
+ break;
+ }
+
+ if (increment)
+ {
+ if (is_rtl (xpaned))
+ increment = -increment;
+
+ new_position.x = old_position.x + increment;
+ new_position.y = old_position.y + increment;
+ }
+
+ new_position.x = CLAMP (new_position.x,
+ xpaned->min_position.x,
+ xpaned->max_position.x);
+
+ new_position.y = CLAMP (new_position.y,
+ xpaned->min_position.y,
+ xpaned->max_position.y);
+
+ if (old_position.x != new_position.x)
+ gtk_xpaned_set_position_x (xpaned, new_position.x);
+
+ if (old_position.y != new_position.y)
+ gtk_xpaned_set_position_y (xpaned, new_position.y);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void gtk_xpaned_restore_focus (GtkXPaned* xpaned)
+{
+ if (gtk_widget_is_focus (GTK_WIDGET (xpaned)))
+ {
+ if (xpaned->priv->saved_focus &&
+ GTK_WIDGET_SENSITIVE (xpaned->priv->saved_focus))
+ {
+ gtk_widget_grab_focus (xpaned->priv->saved_focus);
+ }
+ else
+ {
+ /* the saved focus is somehow not available for focusing,
+ * try
+ * 1) tabbing into the paned widget
+ * if that didn't work,
+ * 2) unset focus for the window if there is one
+ */
+
+ if (!gtk_widget_child_focus (GTK_WIDGET (xpaned), GTK_DIR_TAB_FORWARD))
+ {
+ GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (xpaned));
+
+ if (GTK_IS_WINDOW (toplevel))
+ gtk_window_set_focus (GTK_WINDOW (toplevel), NULL);
+ }
+ }
+
+ gtk_xpaned_set_saved_focus (xpaned, NULL);
+ gtk_xpaned_set_first_xpaned (xpaned, NULL);
+ }
+}
+
+static gboolean gtk_xpaned_accept_position (GtkXPaned* xpaned)
+{
+ if (gtk_widget_is_focus (GTK_WIDGET (xpaned)))
+ {
+ xpaned->original_position.x = -1;
+ xpaned->original_position.y = -1;
+ gtk_xpaned_restore_focus (xpaned);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gboolean gtk_xpaned_cancel_position (GtkXPaned* xpaned)
+{
+ if (gtk_widget_is_focus (GTK_WIDGET (xpaned)))
+ {
+ if (xpaned->original_position.x != -1)
+ {
+ gtk_xpaned_set_position_x (xpaned, xpaned->original_position.x);
+ xpaned->original_position.x = -1;
+ }
+
+ if (xpaned->original_position.y != -1)
+ {
+ gtk_xpaned_set_position_y (xpaned, xpaned->original_position.y);
+ xpaned->original_position.y = -1;
+ }
+
+ gtk_xpaned_restore_focus (xpaned);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gboolean gtk_xpaned_cycle_handle_focus (GtkXPaned* xpaned,
+ gboolean reversed)
+{
+ GtkXPaned* next;
+ GtkXPaned* prev;
+
+ if (gtk_widget_is_focus (GTK_WIDGET (xpaned)))
+ {
+ GtkXPaned* focus = NULL;
+
+ if (!xpaned->priv->first_xpaned)
+ {
+ /* The first_pane has disappeared. As an ad-hoc solution,
+ * we make the currently focused paned the first_paned. To the
+ * user this will seem like the paned cycling has been reset.
+ */
+ gtk_xpaned_set_first_xpaned (xpaned, xpaned);
+ }
+
+ gtk_xpaned_find_neighbours (xpaned, &next, &prev);
+
+ if (reversed && prev &&
+ prev != xpaned && xpaned != xpaned->priv->first_xpaned)
+ {
+ focus = prev;
+ }
+ else if (!reversed &&
+ next &&
+ next != xpaned &&
+ next != xpaned->priv->first_xpaned)
+ {
+ focus = next;
+ }
+ else
+ {
+ gtk_xpaned_accept_position (xpaned);
+ return TRUE;
+ }
+
+ g_assert (focus);
+
+ gtk_xpaned_set_saved_focus (focus, xpaned->priv->saved_focus);
+ gtk_xpaned_set_first_xpaned (focus, xpaned->priv->first_xpaned);
+
+ gtk_xpaned_set_saved_focus (xpaned, NULL);
+ gtk_xpaned_set_first_xpaned (xpaned, NULL);
+
+ gtk_widget_grab_focus (GTK_WIDGET (focus));
+
+ if (!gtk_widget_is_focus (GTK_WIDGET (xpaned)))
+ {
+ xpaned->original_position.x = -1;
+ xpaned->original_position.y = -1;
+ focus->original_position.x = gtk_xpaned_get_position_x (focus);
+ focus->original_position.y = gtk_xpaned_get_position_y (focus);
+ }
+ }
+ else
+ {
+ GtkContainer* container = GTK_CONTAINER (xpaned);
+ GtkXPaned* focus;
+ GtkXPaned* first;
+ GtkXPaned* prev;
+ GtkXPaned* next;
+ GtkWidget* toplevel;
+
+ gtk_xpaned_find_neighbours (xpaned, &next, &prev);
+
+ if (container->focus_child == xpaned->top_left_child)
+ {
+ if (reversed)
+ {
+ focus = prev;
+ first = xpaned;
+ }
+ else
+ {
+ focus = xpaned;
+ first = xpaned;
+ }
+ }
+ else if (container->focus_child == xpaned->top_right_child)
+ {
+ if (reversed)
+ {
+ focus = xpaned;
+ first = next;
+ }
+ else
+ {
+ focus = next;
+ first = next;
+ }
+ }
+ else
+ {
+ /* Focus is not inside this xpaned, and we don't have focus.
+ * Presumably this happened because the application wants us
+ * to start keyboard navigating.
+ */
+ focus = xpaned;
+
+ if (reversed)
+ first = xpaned;
+ else
+ first = next;
+ }
+
+ toplevel = gtk_widget_get_toplevel (GTK_WIDGET (xpaned));
+
+ if (GTK_IS_WINDOW (toplevel))
+ gtk_xpaned_set_saved_focus (focus, GTK_WINDOW (toplevel)->focus_widget);
+ gtk_xpaned_set_first_xpaned (focus, first);
+ focus->original_position.x = gtk_xpaned_get_position_x (focus);
+ focus->original_position.y = gtk_xpaned_get_position_y (focus);
+
+ gtk_widget_grab_focus (GTK_WIDGET (focus));
+ }
+
+ return TRUE;
+}
+
+static gboolean gtk_xpaned_toggle_handle_focus (GtkXPaned* xpaned)
+{
+ /* This function/signal has the wrong name. It is called when you
+ * press Tab or Shift-Tab and what we do is act as if
+ * the user pressed Return and then Tab or Shift-Tab
+ */
+ if (gtk_widget_is_focus (GTK_WIDGET (xpaned)))
+ gtk_xpaned_accept_position (xpaned);
+
+ return FALSE;
+}
+
+/*#define __GTK_XPANED_C__*/
+/*#include "gtkaliasdef.c"*/
projects / pspp-builds.git / commitdiff