diff options
Diffstat (limited to 'src/libgdl/gdl-dock.c')
| -rw-r--r-- | src/libgdl/gdl-dock.c | 1365 |
1 files changed, 0 insertions, 1365 deletions
diff --git a/src/libgdl/gdl-dock.c b/src/libgdl/gdl-dock.c deleted file mode 100644 index c87468e5c..000000000 --- a/src/libgdl/gdl-dock.c +++ /dev/null @@ -1,1365 +0,0 @@ -/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- - * - * This file is part of the GNOME Devtools Libraries. - * - * Copyright (C) 2002 Gustavo Giráldez <gustavo.giraldez@gmx.net> - * 2007 Naba Kumar <naba@gnome.org> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include "gdl-i18n.h" -#include <stdlib.h> -#include <string.h> - -#include "gdl-dock.h" -#include "gdl-dock-master.h" -#include "gdl-dock-paned.h" -#include "gdl-dock-notebook.h" -#include "gdl-dock-placeholder.h" - -#include "libgdlmarshal.h" - -#ifndef __FUNCTION__ -#define __FUNCTION__ __func__ -#endif - -/* ----- Private prototypes ----- */ - -static void gdl_dock_class_init (GdlDockClass *class); - -static GObject *gdl_dock_constructor (GType type, - guint n_construct_properties, - GObjectConstructParam *construct_param); -static void gdl_dock_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec); -static void gdl_dock_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec); -static void gdl_dock_notify_cb (GObject *object, - GParamSpec *pspec, - gpointer user_data); - -static void gdl_dock_set_title (GdlDock *dock); - -static void gdl_dock_destroy (GtkObject *object); - -static void gdl_dock_size_request (GtkWidget *widget, - GtkRequisition *requisition); -static void gdl_dock_size_allocate (GtkWidget *widget, - GtkAllocation *allocation); -static void gdl_dock_map (GtkWidget *widget); -static void gdl_dock_unmap (GtkWidget *widget); -static void gdl_dock_show (GtkWidget *widget); -static void gdl_dock_hide (GtkWidget *widget); - -static void gdl_dock_add (GtkContainer *container, - GtkWidget *widget); -static void gdl_dock_remove (GtkContainer *container, - GtkWidget *widget); -static void gdl_dock_forall (GtkContainer *container, - gboolean include_internals, - GtkCallback callback, - gpointer callback_data); -static GType gdl_dock_child_type (GtkContainer *container); - -static void gdl_dock_detach (GdlDockObject *object, - gboolean recursive); -static void gdl_dock_reduce (GdlDockObject *object); -static gboolean gdl_dock_dock_request (GdlDockObject *object, - gint x, - gint y, - GdlDockRequest *request); -static void gdl_dock_dock (GdlDockObject *object, - GdlDockObject *requestor, - GdlDockPlacement position, - GValue *other_data); -static gboolean gdl_dock_reorder (GdlDockObject *object, - GdlDockObject *requestor, - GdlDockPlacement new_position, - GValue *other_data); - -static gboolean gdl_dock_floating_window_delete_event_cb (GtkWidget *widget); - -static gboolean gdl_dock_child_placement (GdlDockObject *object, - GdlDockObject *child, - GdlDockPlacement *placement); - -static void gdl_dock_present (GdlDockObject *object, - GdlDockObject *child); - - -/* ----- Class variables and definitions ----- */ - -struct _GdlDockPrivate -{ - /* for floating docks */ - gboolean floating; - GtkWidget *window; - gboolean auto_title; - - gint float_x; - gint float_y; - gint width; - gint height; - - /* auxiliary fields */ - GdkGC *xor_gc; -}; - -enum { - LAYOUT_CHANGED, - LAST_SIGNAL -}; - -enum { - PROP_0, - PROP_FLOATING, - PROP_DEFAULT_TITLE, - PROP_WIDTH, - PROP_HEIGHT, - PROP_FLOAT_X, - PROP_FLOAT_Y -}; - -static guint dock_signals [LAST_SIGNAL] = { 0 }; - -#define SPLIT_RATIO 0.3 - - -/* ----- Private functions ----- */ - -G_DEFINE_TYPE (GdlDock, gdl_dock, GDL_TYPE_DOCK_OBJECT); - -static void -gdl_dock_class_init (GdlDockClass *klass) -{ - GObjectClass *g_object_class; - GtkObjectClass *gtk_object_class; - GtkWidgetClass *widget_class; - GtkContainerClass *container_class; - GdlDockObjectClass *object_class; - - g_object_class = G_OBJECT_CLASS (klass); - gtk_object_class = GTK_OBJECT_CLASS (klass); - widget_class = GTK_WIDGET_CLASS (klass); - container_class = GTK_CONTAINER_CLASS (klass); - object_class = GDL_DOCK_OBJECT_CLASS (klass); - - g_object_class->constructor = gdl_dock_constructor; - g_object_class->set_property = gdl_dock_set_property; - g_object_class->get_property = gdl_dock_get_property; - - /* properties */ - - g_object_class_install_property ( - g_object_class, PROP_FLOATING, - g_param_spec_boolean ("floating", _("Floating"), - _("Whether the dock is floating in its own window"), - FALSE, - G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | - GDL_DOCK_PARAM_EXPORT)); - - g_object_class_install_property ( - g_object_class, PROP_DEFAULT_TITLE, - g_param_spec_string ("default-title", _("Default title"), - _("Default title for the newly created floating docks"), - NULL, - G_PARAM_READWRITE)); - - g_object_class_install_property ( - g_object_class, PROP_WIDTH, - g_param_spec_int ("width", _("Width"), - _("Width for the dock when it's of floating type"), - -1, G_MAXINT, -1, - G_PARAM_READWRITE | G_PARAM_CONSTRUCT | - GDL_DOCK_PARAM_EXPORT)); - - g_object_class_install_property ( - g_object_class, PROP_HEIGHT, - g_param_spec_int ("height", _("Height"), - _("Height for the dock when it's of floating type"), - -1, G_MAXINT, -1, - G_PARAM_READWRITE | G_PARAM_CONSTRUCT | - GDL_DOCK_PARAM_EXPORT)); - - g_object_class_install_property ( - g_object_class, PROP_FLOAT_X, - g_param_spec_int ("floatx", _("Float X"), - _("X coordinate for a floating dock"), - G_MININT, G_MAXINT, 0, - G_PARAM_READWRITE | G_PARAM_CONSTRUCT | - GDL_DOCK_PARAM_EXPORT)); - - g_object_class_install_property ( - g_object_class, PROP_FLOAT_Y, - g_param_spec_int ("floaty", _("Float Y"), - _("Y coordinate for a floating dock"), - G_MININT, G_MAXINT, 0, - G_PARAM_READWRITE | G_PARAM_CONSTRUCT | - GDL_DOCK_PARAM_EXPORT)); - - gtk_object_class->destroy = gdl_dock_destroy; - - widget_class->size_request = gdl_dock_size_request; - widget_class->size_allocate = gdl_dock_size_allocate; - widget_class->map = gdl_dock_map; - widget_class->unmap = gdl_dock_unmap; - widget_class->show = gdl_dock_show; - widget_class->hide = gdl_dock_hide; - - container_class->add = gdl_dock_add; - container_class->remove = gdl_dock_remove; - container_class->forall = gdl_dock_forall; - container_class->child_type = gdl_dock_child_type; - - object_class->is_compound = TRUE; - - object_class->detach = gdl_dock_detach; - object_class->reduce = gdl_dock_reduce; - object_class->dock_request = gdl_dock_dock_request; - object_class->dock = gdl_dock_dock; - object_class->reorder = gdl_dock_reorder; - object_class->child_placement = gdl_dock_child_placement; - object_class->present = gdl_dock_present; - - /* signals */ - - dock_signals [LAYOUT_CHANGED] = - g_signal_new ("layout-changed", - G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GdlDockClass, layout_changed), - NULL, /* accumulator */ - NULL, /* accu_data */ - gdl_marshal_VOID__VOID, - G_TYPE_NONE, /* return type */ - 0); - - klass->layout_changed = NULL; -} - -static void -gdl_dock_init (GdlDock *dock) -{ - gtk_widget_set_has_window (GTK_WIDGET (dock), FALSE); - - dock->root = NULL; - dock->_priv = g_new0 (GdlDockPrivate, 1); - dock->_priv->width = -1; - dock->_priv->height = -1; -} - -static gboolean -gdl_dock_floating_configure_event_cb (GtkWidget *widget, - GdkEventConfigure *event, - gpointer user_data) -{ - GdlDock *dock; - - g_return_val_if_fail (user_data != NULL && GDL_IS_DOCK (user_data), TRUE); - - dock = GDL_DOCK (user_data); - dock->_priv->float_x = event->x; - dock->_priv->float_y = event->y; - dock->_priv->width = event->width; - dock->_priv->height = event->height; - - return FALSE; -} - -static GObject * -gdl_dock_constructor (GType type, - guint n_construct_properties, - GObjectConstructParam *construct_param) -{ - GObject *g_object; - - g_object = G_OBJECT_CLASS (gdl_dock_parent_class)-> constructor (type, - n_construct_properties, - construct_param); - if (g_object) { - GdlDock *dock = GDL_DOCK (g_object); - GdlDockMaster *master; - - /* create a master for the dock if none was provided in the construction */ - master = GDL_DOCK_OBJECT_GET_MASTER (GDL_DOCK_OBJECT (dock)); - if (!master) { - GDL_DOCK_OBJECT_UNSET_FLAGS (dock, GDL_DOCK_AUTOMATIC); - master = g_object_new (GDL_TYPE_DOCK_MASTER, NULL); - /* the controller owns the master ref */ - gdl_dock_object_bind (GDL_DOCK_OBJECT (dock), G_OBJECT (master)); - } - - if (dock->_priv->floating) { - /* create floating window for this dock */ - dock->_priv->window = gtk_window_new (GTK_WINDOW_TOPLEVEL); - g_object_set_data (G_OBJECT (dock->_priv->window), "dock", dock); - - /* set position and default size */ - gtk_window_set_position (GTK_WINDOW (dock->_priv->window), - GTK_WIN_POS_MOUSE); - gtk_window_set_default_size (GTK_WINDOW (dock->_priv->window), - dock->_priv->width, - dock->_priv->height); - gtk_window_set_type_hint (GTK_WINDOW (dock->_priv->window), - GDK_WINDOW_TYPE_HINT_NORMAL); - - gtk_window_set_skip_taskbar_hint (GTK_WINDOW (dock->_priv->window), - TRUE); - - /* metacity ignores this */ - gtk_window_move (GTK_WINDOW (dock->_priv->window), - dock->_priv->float_x, - dock->_priv->float_y); - - /* connect to the configure event so we can track down window geometry */ - g_signal_connect (dock->_priv->window, "configure_event", - (GCallback) gdl_dock_floating_configure_event_cb, - dock); - - /* set the title and connect to the long_name notify queue - so we can reset the title when this prop changes */ - gdl_dock_set_title (dock); - g_signal_connect (dock, "notify::long-name", - (GCallback) gdl_dock_notify_cb, NULL); - - gtk_container_add (GTK_CONTAINER (dock->_priv->window), GTK_WIDGET (dock)); - - g_signal_connect (dock->_priv->window, "delete_event", - G_CALLBACK (gdl_dock_floating_window_delete_event_cb), - NULL); - } - GDL_DOCK_OBJECT_SET_FLAGS (dock, GDL_DOCK_ATTACHED); - } - - return g_object; -} - -static void -gdl_dock_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec) -{ - GdlDock *dock = GDL_DOCK (object); - - switch (prop_id) { - case PROP_FLOATING: - dock->_priv->floating = g_value_get_boolean (value); - break; - case PROP_DEFAULT_TITLE: - if (GDL_DOCK_OBJECT (object)->master) - g_object_set (GDL_DOCK_OBJECT (object)->master, - "default-title", g_value_get_string (value), - NULL); - break; - case PROP_WIDTH: - dock->_priv->width = g_value_get_int (value); - break; - case PROP_HEIGHT: - dock->_priv->height = g_value_get_int (value); - break; - case PROP_FLOAT_X: - dock->_priv->float_x = g_value_get_int (value); - break; - case PROP_FLOAT_Y: - dock->_priv->float_y = g_value_get_int (value); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } - - switch (prop_id) { - case PROP_WIDTH: - case PROP_HEIGHT: - case PROP_FLOAT_X: - case PROP_FLOAT_Y: - if (dock->_priv->floating && dock->_priv->window) { - gtk_window_resize (GTK_WINDOW (dock->_priv->window), - dock->_priv->width, - dock->_priv->height); - } - break; - } -} - -static void -gdl_dock_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec) -{ - GdlDock *dock = GDL_DOCK (object); - - switch (prop_id) { - case PROP_FLOATING: - g_value_set_boolean (value, dock->_priv->floating); - break; - case PROP_DEFAULT_TITLE: - if (GDL_DOCK_OBJECT (object)->master) { - gchar *default_title; - g_object_get (GDL_DOCK_OBJECT (object)->master, - "default-title", &default_title, - NULL); -#if GLIB_CHECK_VERSION(2,3,0) - g_value_take_string (value, default_title); -#else - g_value_set_string_take_ownership (value, default_title); -#endif - } - else - g_value_set_string (value, NULL); - break; - case PROP_WIDTH: - g_value_set_int (value, dock->_priv->width); - break; - case PROP_HEIGHT: - g_value_set_int (value, dock->_priv->height); - break; - case PROP_FLOAT_X: - g_value_set_int (value, dock->_priv->float_x); - break; - case PROP_FLOAT_Y: - g_value_set_int (value, dock->_priv->float_y); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -gdl_dock_set_title (GdlDock *dock) -{ - GdlDockObject *object = GDL_DOCK_OBJECT (dock); - gchar *title = NULL; - - if (!dock->_priv->window) - return; - - if (!dock->_priv->auto_title && object->long_name) { - title = object->long_name; - } - else if (object->master) { - g_object_get (object->master, "default-title", &title, NULL); - } - - if (!title && dock->root) { - g_object_get (dock->root, "long-name", &title, NULL); - } - - if (!title) { - /* set a default title in the long_name */ - dock->_priv->auto_title = TRUE; - title = g_strdup_printf ( - _("Dock #%d"), GDL_DOCK_MASTER (object->master)->dock_number++); - } - - gtk_window_set_title (GTK_WINDOW (dock->_priv->window), title); - - g_free (title); -} - -static void -gdl_dock_notify_cb (GObject *object, - GParamSpec *pspec, - gpointer user_data) -{ - GdlDock *dock; - gchar* long_name; - - g_return_if_fail (object != NULL || GDL_IS_DOCK (object)); - - g_object_get (object, "long-name", &long_name, NULL); - - if (long_name) - { - dock = GDL_DOCK (object); - dock->_priv->auto_title = FALSE; - gdl_dock_set_title (dock); - } - g_free (long_name); -} - -static void -gdl_dock_destroy (GtkObject *object) -{ - GdlDock *dock = GDL_DOCK (object); - - if (dock->_priv) { - GdlDockPrivate *priv = dock->_priv; - dock->_priv = NULL; - - if (priv->window) { - gtk_widget_destroy (priv->window); - priv->floating = FALSE; - priv->window = NULL; - } - - /* destroy the xor gc */ - if (priv->xor_gc) { - g_object_unref (priv->xor_gc); - priv->xor_gc = NULL; - } - - g_free (priv); - } - - GTK_OBJECT_CLASS (gdl_dock_parent_class)->destroy (object); -} - -static void -gdl_dock_size_request (GtkWidget *widget, - GtkRequisition *requisition) -{ - GdlDock *dock; - GtkContainer *container; - guint border_width; - - g_return_if_fail (widget != NULL); - g_return_if_fail (GDL_IS_DOCK (widget)); - - dock = GDL_DOCK (widget); - container = GTK_CONTAINER (widget); - border_width = gtk_container_get_border_width (container); - - /* make request to root */ - if (dock->root && gtk_widget_get_visible (GTK_WIDGET (dock->root))) - gtk_widget_size_request (GTK_WIDGET (dock->root), requisition); - else { - requisition->width = 0; - requisition->height = 0; - }; - - requisition->width += 2 * border_width; - requisition->height += 2 * border_width; - - //gtk_widget_size_request (widget, requisition); -} - -static void -gdl_dock_size_allocate (GtkWidget *widget, - GtkAllocation *allocation) -{ - GdlDock *dock; - GtkContainer *container; - guint border_width; - - g_return_if_fail (widget != NULL); - g_return_if_fail (GDL_IS_DOCK (widget)); - - dock = GDL_DOCK (widget); - container = GTK_CONTAINER (widget); - border_width = gtk_container_get_border_width (container); - - gtk_widget_set_allocation (widget, allocation); - - /* reduce allocation by border width */ - allocation->x += border_width; - allocation->y += border_width; - allocation->width = MAX (1, allocation->width - 2 * border_width); - allocation->height = MAX (1, allocation->height - 2 * border_width); - - if (dock->root && gtk_widget_get_visible (GTK_WIDGET (dock->root))) - gtk_widget_size_allocate (GTK_WIDGET (dock->root), allocation); -} - -static void -gdl_dock_map (GtkWidget *widget) -{ - GtkWidget *child; - GdlDock *dock; - - g_return_if_fail (widget != NULL); - g_return_if_fail (GDL_IS_DOCK (widget)); - - dock = GDL_DOCK (widget); - - GTK_WIDGET_CLASS (gdl_dock_parent_class)->map (widget); - - if (dock->root) { - child = GTK_WIDGET (dock->root); - if (gtk_widget_get_visible (child) && !gtk_widget_get_mapped (child)) - gtk_widget_map (child); - } -} - -static void -gdl_dock_unmap (GtkWidget *widget) -{ - GtkWidget *child; - GdlDock *dock; - - g_return_if_fail (widget != NULL); - g_return_if_fail (GDL_IS_DOCK (widget)); - - dock = GDL_DOCK (widget); - - GTK_WIDGET_CLASS (gdl_dock_parent_class)->unmap (widget); - - if (dock->root) { - child = GTK_WIDGET (dock->root); - if (gtk_widget_get_visible (child) && gtk_widget_get_mapped (child)) - gtk_widget_unmap (child); - } - - if (dock->_priv->window) - gtk_widget_unmap (dock->_priv->window); -} - -static void -gdl_dock_foreach_automatic (GdlDockObject *object, - gpointer user_data) -{ - void (* function) (GtkWidget *) = user_data; - - if (GDL_DOCK_OBJECT_AUTOMATIC (object)) - (* function) (GTK_WIDGET (object)); -} - -static void -gdl_dock_show (GtkWidget *widget) -{ - GdlDock *dock; - - g_return_if_fail (widget != NULL); - g_return_if_fail (GDL_IS_DOCK (widget)); - - GTK_WIDGET_CLASS (gdl_dock_parent_class)->show (widget); - - dock = GDL_DOCK (widget); - if (dock->_priv->floating && dock->_priv->window) - gtk_widget_show (dock->_priv->window); - - if (GDL_DOCK_IS_CONTROLLER (dock)) { - gdl_dock_master_foreach_toplevel (GDL_DOCK_OBJECT_GET_MASTER (dock), - FALSE, (GFunc) gdl_dock_foreach_automatic, - gtk_widget_show); - } -} - -static void -gdl_dock_hide (GtkWidget *widget) -{ - GdlDock *dock; - - g_return_if_fail (widget != NULL); - g_return_if_fail (GDL_IS_DOCK (widget)); - - GTK_WIDGET_CLASS (gdl_dock_parent_class)->hide (widget); - - dock = GDL_DOCK (widget); - if (dock->_priv->floating && dock->_priv->window) - gtk_widget_hide (dock->_priv->window); - - if (GDL_DOCK_IS_CONTROLLER (dock)) { - gdl_dock_master_foreach_toplevel (GDL_DOCK_OBJECT_GET_MASTER (dock), - FALSE, (GFunc) gdl_dock_foreach_automatic, - gtk_widget_hide); - } -} - -static void -gdl_dock_add (GtkContainer *container, - GtkWidget *widget) -{ - g_return_if_fail (container != NULL); - g_return_if_fail (GDL_IS_DOCK (container)); - g_return_if_fail (GDL_IS_DOCK_ITEM (widget)); - - gdl_dock_add_item (GDL_DOCK (container), - GDL_DOCK_ITEM (widget), - GDL_DOCK_TOP); /* default position */ -} - -static void -gdl_dock_remove (GtkContainer *container, - GtkWidget *widget) -{ - GdlDock *dock; - gboolean was_visible; - - g_return_if_fail (container != NULL); - g_return_if_fail (widget != NULL); - - dock = GDL_DOCK (container); - was_visible = gtk_widget_get_visible (widget); - - if (GTK_WIDGET (dock->root) == widget) { - dock->root = NULL; - GDL_DOCK_OBJECT_UNSET_FLAGS (widget, GDL_DOCK_ATTACHED); - gtk_widget_unparent (widget); - - if (was_visible && gtk_widget_get_visible (GTK_WIDGET (container))) - gtk_widget_queue_resize (GTK_WIDGET (dock)); - } -} - -static void -gdl_dock_forall (GtkContainer *container, - gboolean include_internals, - GtkCallback callback, - gpointer callback_data) -{ - GdlDock *dock; - - g_return_if_fail (container != NULL); - g_return_if_fail (GDL_IS_DOCK (container)); - g_return_if_fail (callback != NULL); - - dock = GDL_DOCK (container); - - if (dock->root) - (*callback) (GTK_WIDGET (dock->root), callback_data); -} - -static GType -gdl_dock_child_type (GtkContainer *container) -{ - return GDL_TYPE_DOCK_ITEM; -} - -static void -gdl_dock_detach (GdlDockObject *object, - gboolean recursive) -{ - GdlDock *dock = GDL_DOCK (object); - - /* detach children */ - if (recursive && dock->root) { - gdl_dock_object_detach (dock->root, recursive); - } - GDL_DOCK_OBJECT_UNSET_FLAGS (object, GDL_DOCK_ATTACHED); -} - -static void -gdl_dock_reduce (GdlDockObject *object) -{ - GdlDock *dock = GDL_DOCK (object); - GtkWidget *parent; - - if (dock->root) - return; - - if (GDL_DOCK_OBJECT_AUTOMATIC (dock)) { - gtk_widget_destroy (GTK_WIDGET (dock)); - - } else if (!GDL_DOCK_OBJECT_ATTACHED (dock)) { - /* if the user explicitly detached the object */ - if (dock->_priv->floating) - gtk_widget_hide (GTK_WIDGET (dock)); - else { - GtkWidget *widget = GTK_WIDGET (object); - parent = gtk_widget_get_parent (widget); - if (parent) - gtk_container_remove (GTK_CONTAINER (parent), widget); - } - } -} - -static gboolean -gdl_dock_dock_request (GdlDockObject *object, - gint x, - gint y, - GdlDockRequest *request) -{ - GdlDock *dock; - guint bw; - gint rel_x, rel_y; - GtkAllocation alloc; - gboolean may_dock = FALSE; - GdlDockRequest my_request; - - g_return_val_if_fail (GDL_IS_DOCK (object), FALSE); - - /* we get (x,y) in our allocation coordinates system */ - - dock = GDL_DOCK (object); - - /* Get dock size. */ - gtk_widget_get_allocation (GTK_WIDGET (dock), &alloc); - bw = gtk_container_get_border_width (GTK_CONTAINER (dock)); - - /* Get coordinates relative to our allocation area. */ - rel_x = x - alloc.x; - rel_y = y - alloc.y; - - if (request) - my_request = *request; - - /* Check if coordinates are in GdlDock widget. */ - if (rel_x > 0 && rel_x < alloc.width && - rel_y > 0 && rel_y < alloc.height) { - - /* It's inside our area. */ - may_dock = TRUE; - - /* Set docking indicator rectangle to the GdlDock size. */ - my_request.rect.x = alloc.x + bw; - my_request.rect.y = alloc.y + bw; - my_request.rect.width = alloc.width - 2*bw; - my_request.rect.height = alloc.height - 2*bw; - - /* If GdlDock has no root item yet, set the dock itself as - possible target. */ - if (!dock->root) { - my_request.position = GDL_DOCK_TOP; - my_request.target = object; - } else { - my_request.target = dock->root; - - /* See if it's in the border_width band. */ - if (rel_x < (gint)bw) { - my_request.position = GDL_DOCK_LEFT; - my_request.rect.width *= SPLIT_RATIO; - } else if (rel_x > alloc.width - (gint)bw) { - my_request.position = GDL_DOCK_RIGHT; - my_request.rect.x += my_request.rect.width * (1 - SPLIT_RATIO); - my_request.rect.width *= SPLIT_RATIO; - } else if (rel_y < (gint)bw) { - my_request.position = GDL_DOCK_TOP; - my_request.rect.height *= SPLIT_RATIO; - } else if (rel_y > alloc.height - (gint)bw) { - my_request.position = GDL_DOCK_BOTTOM; - my_request.rect.y += my_request.rect.height * (1 - SPLIT_RATIO); - my_request.rect.height *= SPLIT_RATIO; - } else { - /* Otherwise try our children. */ - /* give them allocation coordinates (we are a - GTK_NO_WINDOW) widget */ - may_dock = gdl_dock_object_dock_request (GDL_DOCK_OBJECT (dock->root), - x, y, &my_request); - } - } - } - - if (may_dock && request) - *request = my_request; - - return may_dock; -} - -static void -gdl_dock_dock (GdlDockObject *object, - GdlDockObject *requestor, - GdlDockPlacement position, - GValue *user_data) -{ - GdlDock *dock; - - g_return_if_fail (GDL_IS_DOCK (object)); - /* only dock items allowed at this time */ - g_return_if_fail (GDL_IS_DOCK_ITEM (requestor)); - - dock = GDL_DOCK (object); - - if (position == GDL_DOCK_FLOATING) { - GdlDockItem *item = GDL_DOCK_ITEM (requestor); - gint x, y, width, height; - - if (user_data && G_VALUE_HOLDS (user_data, GDK_TYPE_RECTANGLE)) { - GdkRectangle *rect; - - rect = g_value_get_boxed (user_data); - x = rect->x; - y = rect->y; - width = rect->width; - height = rect->height; - } - else { - x = y = 0; - width = height = -1; - } - - gdl_dock_add_floating_item (dock, item, - x, y, width, height); - } - else if (dock->root) { - /* This is somewhat a special case since we know which item to - pass the request on because we only have on child */ - gdl_dock_object_dock (dock->root, requestor, position, NULL); - gdl_dock_set_title (dock); - - } - else { /* Item about to be added is root item. */ - GtkWidget *widget = GTK_WIDGET (requestor); - - dock->root = requestor; - GDL_DOCK_OBJECT_SET_FLAGS (requestor, GDL_DOCK_ATTACHED); - gtk_widget_set_parent (widget, GTK_WIDGET (dock)); - - gdl_dock_item_show_grip (GDL_DOCK_ITEM (requestor)); - - /* Realize the item (create its corresponding GdkWindow) when - GdlDock has been realized. */ - if (gtk_widget_get_realized (GTK_WIDGET (dock))) - gtk_widget_realize (widget); - - /* Map the widget if it's visible and the parent is visible and has - been mapped. This is done to make sure that the GdkWindow is - visible. */ - if (gtk_widget_get_visible (GTK_WIDGET (dock)) && - gtk_widget_get_visible (widget)) { - if (gtk_widget_get_mapped (GTK_WIDGET (dock))) - gtk_widget_map (widget); - - /* Make the widget resize. */ - gtk_widget_queue_resize (widget); - } - gdl_dock_set_title (dock); - } -} - -static gboolean -gdl_dock_floating_window_delete_event_cb (GtkWidget *widget) -{ - GdlDock *dock; - - g_return_val_if_fail (GTK_IS_WINDOW (widget), FALSE); - - dock = GDL_DOCK (g_object_get_data (G_OBJECT (widget), "dock")); - if (dock->root) { - /* this will call reduce on ourselves, hiding the window if appropiate */ - gdl_dock_item_hide_item (GDL_DOCK_ITEM (dock->root)); - } - - return TRUE; -} - -static void -_gdl_dock_foreach_build_list (GdlDockObject *object, - gpointer user_data) -{ - GList **l = (GList **) user_data; - - if (GDL_IS_DOCK_ITEM (object)) - *l = g_list_prepend (*l, object); -} - -static gboolean -gdl_dock_reorder (GdlDockObject *object, - GdlDockObject *requestor, - GdlDockPlacement new_position, - GValue *other_data) -{ - GdlDock *dock = GDL_DOCK (object); - gboolean handled = FALSE; - - if (dock->_priv->floating && - new_position == GDL_DOCK_FLOATING && - dock->root == requestor) { - - if (other_data && G_VALUE_HOLDS (other_data, GDK_TYPE_RECTANGLE)) { - GdkRectangle *rect; - - rect = g_value_get_boxed (other_data); - gtk_window_move (GTK_WINDOW (dock->_priv->window), - rect->x, - rect->y); - handled = TRUE; - } - } - - return handled; -} - -static gboolean -gdl_dock_child_placement (GdlDockObject *object, - GdlDockObject *child, - GdlDockPlacement *placement) -{ - GdlDock *dock = GDL_DOCK (object); - gboolean retval = TRUE; - - if (dock->root == child) { - if (placement) { - if (*placement == GDL_DOCK_NONE || *placement == GDL_DOCK_FLOATING) - *placement = GDL_DOCK_TOP; - } - } else - retval = FALSE; - - return retval; -} - -static void -gdl_dock_present (GdlDockObject *object, - GdlDockObject *child) -{ - GdlDock *dock = GDL_DOCK (object); - - if (dock->_priv->floating) - gtk_window_present (GTK_WINDOW (dock->_priv->window)); -} - - -/* ----- Public interface ----- */ - -GtkWidget * -gdl_dock_new (void) -{ - GObject *dock; - - dock = g_object_new (GDL_TYPE_DOCK, NULL); - GDL_DOCK_OBJECT_UNSET_FLAGS (dock, GDL_DOCK_AUTOMATIC); - - return GTK_WIDGET (dock); -} - -GtkWidget * -gdl_dock_new_from (GdlDock *original, - gboolean floating) -{ - GObject *new_dock; - - g_return_val_if_fail (original != NULL, NULL); - - new_dock = g_object_new (GDL_TYPE_DOCK, - "master", GDL_DOCK_OBJECT_GET_MASTER (original), - "floating", floating, - NULL); - GDL_DOCK_OBJECT_UNSET_FLAGS (new_dock, GDL_DOCK_AUTOMATIC); - - return GTK_WIDGET (new_dock); -} - -/* Depending on where the dock item (where new item will be docked) locates - * in the dock, we might need to change the docking placement. If the - * item is does not touches the center of dock, the new-item-to-dock would - * require a center dock on this item. - */ -static GdlDockPlacement -gdl_dock_refine_placement (GdlDock *dock, GdlDockItem *dock_item, - GdlDockPlacement placement) -{ - GtkAllocation allocation; - GtkRequisition object_size; - - gdl_dock_item_preferred_size (dock_item, &object_size); - gtk_widget_get_allocation (GTK_WIDGET (dock), &allocation); - - g_return_val_if_fail (allocation.width > 0, placement); - g_return_val_if_fail (allocation.height > 0, placement); - g_return_val_if_fail (object_size.width > 0, placement); - g_return_val_if_fail (object_size.height > 0, placement); - - if (placement == GDL_DOCK_LEFT || placement == GDL_DOCK_RIGHT) { - /* Check if dock_object touches center in terms of width */ - if (allocation.width/2 > object_size.width) { - return GDL_DOCK_CENTER; - } - } else if (placement == GDL_DOCK_TOP || placement == GDL_DOCK_BOTTOM) { - /* Check if dock_object touches center in terms of height */ - if (allocation.height/2 > object_size.height) { - return GDL_DOCK_CENTER; - } - } - return placement; -} - -/* Determines the larger item of the two based on the placement: - * for left/right placement, height determines it. - * for top/bottom placement, width determines it. - * for center placement, area determines it. - */ -static GdlDockItem* -gdl_dock_select_larger_item (GdlDockItem *dock_item_1, - GdlDockItem *dock_item_2, - GdlDockPlacement placement, - gint level /* for debugging */) -{ - GtkRequisition size_1, size_2; - - g_return_val_if_fail (dock_item_1 != NULL, dock_item_2); - g_return_val_if_fail (dock_item_2 != NULL, dock_item_1); - - gdl_dock_item_preferred_size (dock_item_1, &size_1); - gdl_dock_item_preferred_size (dock_item_2, &size_2); - - g_return_val_if_fail (size_1.width > 0, dock_item_2); - g_return_val_if_fail (size_1.height > 0, dock_item_2); - g_return_val_if_fail (size_2.width > 0, dock_item_1); - g_return_val_if_fail (size_2.height > 0, dock_item_1); - - if (placement == GDL_DOCK_LEFT || placement == GDL_DOCK_RIGHT) - { - /* For left/right placement, height is what matters */ - return (size_1.height >= size_2.height? - dock_item_1 : dock_item_2); - } else if (placement == GDL_DOCK_TOP || placement == GDL_DOCK_BOTTOM) - { - /* For top/bottom placement, width is what matters */ - return (size_1.width >= size_2.width? - dock_item_1 : dock_item_2); - } else if (placement == GDL_DOCK_CENTER) { - /* For center place, area is what matters */ - return ((size_1.width * size_1.height) - >= (size_2.width * size_2.height)? - dock_item_1 : dock_item_2); - } else if (placement == GDL_DOCK_NONE) { - return dock_item_1; - } else { - g_warning ("Should not reach here: %s:%d", __FUNCTION__, __LINE__); - } - return dock_item_1; -} - -/* Determines the best dock item to dock a new item with the given placement. - * It traverses the dock tree and (based on the placement) tries to find - * the best located item wrt to the placement. The approach is to find the - * largest item on/around the placement side (for side placements) and to - * find the largest item for center placement. In most situations, this is - * what user wants and the heuristic should be therefore sufficient. - */ -static GdlDockItem* -gdl_dock_find_best_placement_item (GdlDockItem *dock_item, - GdlDockPlacement placement, - gint level /* for debugging */) -{ - GdlDockItem *ret_item = NULL; - - if (GDL_IS_DOCK_PANED (dock_item)) - { - GtkOrientation orientation; - GdlDockItem *dock_item_1, *dock_item_2; - GList* children; - - children = gtk_container_get_children (GTK_CONTAINER (dock_item)); - - g_assert (g_list_length (children) == 2); - - g_object_get (dock_item, "orientation", &orientation, NULL); - if ((orientation == GTK_ORIENTATION_HORIZONTAL && - placement == GDL_DOCK_LEFT) || - (orientation == GTK_ORIENTATION_VERTICAL && - placement == GDL_DOCK_TOP)) { - /* Return left or top pane widget */ - ret_item = - gdl_dock_find_best_placement_item (GDL_DOCK_ITEM - (children->data), - placement, level + 1); - } else if ((orientation == GTK_ORIENTATION_HORIZONTAL && - placement == GDL_DOCK_RIGHT) || - (orientation == GTK_ORIENTATION_VERTICAL && - placement == GDL_DOCK_BOTTOM)) { - /* Return right or top pane widget */ - ret_item = - gdl_dock_find_best_placement_item (GDL_DOCK_ITEM - (children->next->data), - placement, level + 1); - } else { - /* Evaluate which of the two sides is bigger */ - dock_item_1 = - gdl_dock_find_best_placement_item (GDL_DOCK_ITEM - (children->data), - placement, level + 1); - dock_item_2 = - gdl_dock_find_best_placement_item (GDL_DOCK_ITEM - (children->next->data), - placement, level + 1); - ret_item = gdl_dock_select_larger_item (dock_item_1, - dock_item_2, - placement, level); - } - g_list_free (children); - } - else if (GDL_IS_DOCK_ITEM (dock_item)) - { - ret_item = dock_item; - } - else - { - /* should not be here */ - g_warning ("Should not reach here: %s:%d", __FUNCTION__, __LINE__); - } - return ret_item; -} - -void -gdl_dock_add_item (GdlDock *dock, - GdlDockItem *item, - GdlDockPlacement placement) -{ - g_return_if_fail (dock != NULL); - g_return_if_fail (item != NULL); - - if (placement == GDL_DOCK_FLOATING) - /* Add the item to a new floating dock */ - gdl_dock_add_floating_item (dock, item, 0, 0, -1, -1); - - else { - GdlDockItem *best_dock_item; - /* Non-floating item. */ - if (dock->root) { - GdlDockPlacement local_placement; - - best_dock_item = - gdl_dock_find_best_placement_item (GDL_DOCK_ITEM (dock->root), - placement, 0); - local_placement = gdl_dock_refine_placement (dock, best_dock_item, - placement); - gdl_dock_object_dock (GDL_DOCK_OBJECT (best_dock_item), - GDL_DOCK_OBJECT (item), - local_placement, NULL); - } else { - gdl_dock_object_dock (GDL_DOCK_OBJECT (dock), - GDL_DOCK_OBJECT (item), - placement, NULL); - } - } -} - -void -gdl_dock_add_floating_item (GdlDock *dock, - GdlDockItem *item, - gint x, - gint y, - gint width, - gint height) -{ - GdlDock *new_dock; - - g_return_if_fail (dock != NULL); - g_return_if_fail (item != NULL); - - new_dock = GDL_DOCK (g_object_new (GDL_TYPE_DOCK, - "master", GDL_DOCK_OBJECT_GET_MASTER (dock), - "floating", TRUE, - "width", width, - "height", height, - "floatx", x, - "floaty", y, - NULL)); - - if (gtk_widget_get_visible (GTK_WIDGET (dock))) { - gtk_widget_show (GTK_WIDGET (new_dock)); - if (gtk_widget_get_mapped (GTK_WIDGET (dock))) - gtk_widget_map (GTK_WIDGET (new_dock)); - - /* Make the widget resize. */ - gtk_widget_queue_resize (GTK_WIDGET (new_dock)); - } - - gdl_dock_add_item (GDL_DOCK (new_dock), item, GDL_DOCK_TOP); -} - -GdlDockItem * -gdl_dock_get_item_by_name (GdlDock *dock, - const gchar *name) -{ - GdlDockObject *found; - - g_return_val_if_fail (dock != NULL && name != NULL, NULL); - - /* proxy the call to our master */ - found = gdl_dock_master_get_object (GDL_DOCK_OBJECT_GET_MASTER (dock), name); - - return (found && GDL_IS_DOCK_ITEM (found)) ? GDL_DOCK_ITEM (found) : NULL; -} - -GdlDockPlaceholder * -gdl_dock_get_placeholder_by_name (GdlDock *dock, - const gchar *name) -{ - GdlDockObject *found; - - g_return_val_if_fail (dock != NULL && name != NULL, NULL); - - /* proxy the call to our master */ - found = gdl_dock_master_get_object (GDL_DOCK_OBJECT_GET_MASTER (dock), name); - - return (found && GDL_IS_DOCK_PLACEHOLDER (found)) ? - GDL_DOCK_PLACEHOLDER (found) : NULL; -} - -GList * -gdl_dock_get_named_items (GdlDock *dock) -{ - GList *list = NULL; - - g_return_val_if_fail (dock != NULL, NULL); - - gdl_dock_master_foreach (GDL_DOCK_OBJECT_GET_MASTER (dock), - (GFunc) _gdl_dock_foreach_build_list, &list); - - return list; -} - -GdlDock * -gdl_dock_object_get_toplevel (GdlDockObject *object) -{ - GdlDockObject *parent = object; - - g_return_val_if_fail (object != NULL, NULL); - - while (parent && !GDL_IS_DOCK (parent)) - parent = gdl_dock_object_get_parent_object (parent); - - return parent ? GDL_DOCK (parent) : NULL; -} - -void -gdl_dock_xor_rect (GdlDock *dock, - GdkRectangle *rect) -{ - GtkWidget *widget; - GdkWindow *window; - gint8 dash_list [2]; - - widget = GTK_WIDGET (dock); - - if (!dock->_priv->xor_gc) { - if (gtk_widget_get_realized (widget)) { - GdkGCValues values; - - values.function = GDK_INVERT; - values.subwindow_mode = GDK_INCLUDE_INFERIORS; - dock->_priv->xor_gc = gdk_gc_new_with_values - (gtk_widget_get_window (widget), &values, GDK_GC_FUNCTION | GDK_GC_SUBWINDOW); - } else - return; - }; - - gdk_gc_set_line_attributes (dock->_priv->xor_gc, 1, - GDK_LINE_ON_OFF_DASH, - GDK_CAP_NOT_LAST, - GDK_JOIN_BEVEL); - - window = gtk_widget_get_window (widget); - - dash_list [0] = 1; - dash_list [1] = 1; - - gdk_gc_set_dashes (dock->_priv->xor_gc, 1, dash_list, 2); - - gdk_draw_rectangle (window, dock->_priv->xor_gc, FALSE, - rect->x, rect->y, - rect->width, rect->height); - - gdk_gc_set_dashes (dock->_priv->xor_gc, 0, dash_list, 2); - - gdk_draw_rectangle (window, dock->_priv->xor_gc, FALSE, - rect->x + 1, rect->y + 1, - rect->width - 2, rect->height - 2); -} |