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|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* gdl-dock-master.c - Object which manages a dock ring
*
* This file is part of the GNOME Devtools Libraries.
*
* Copyright (C) 2002 Gustavo Girldez <gustavo.giraldez@gmx.net>
*
* 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 "gdl-tools.h"
#include "gdl-dock-master.h"
#include "gdl-dock.h"
#include "gdl-dock-item.h"
#include "libgdlmarshal.h"
#include "libgdltypebuiltins.h"
#ifdef WIN32
#include "gdl-win32.h"
#endif
/* ----- Private prototypes ----- */
static void gdl_dock_master_class_init (GdlDockMasterClass *klass);
static void gdl_dock_master_instance_init (GdlDockMaster *master);
static void gdl_dock_master_dispose (GObject *g_object);
static void gdl_dock_master_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gdl_dock_master_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void _gdl_dock_master_remove (GdlDockObject *object,
GdlDockMaster *master);
static void gdl_dock_master_drag_begin (GdlDockItem *item,
gpointer data);
static void gdl_dock_master_drag_end (GdlDockItem *item,
gboolean cancelled,
gpointer data);
static void gdl_dock_master_drag_motion (GdlDockItem *item,
gint x,
gint y,
gpointer data);
static void _gdl_dock_master_foreach (gpointer key,
gpointer value,
gpointer user_data);
static void gdl_dock_master_xor_rect (GdlDockMaster *master);
static void gdl_dock_master_layout_changed (GdlDockMaster *master);
static void gdl_dock_master_set_switcher_style (GdlDockMaster *master,
GdlSwitcherStyle switcher_style);
/* ----- Private data types and variables ----- */
enum {
PROP_0,
PROP_DEFAULT_TITLE,
PROP_LOCKED,
PROP_SWITCHER_STYLE,
PROP_EXPANSION_DIRECTION
};
enum {
LAYOUT_CHANGED,
LAST_SIGNAL
};
struct _GdlDockMasterPrivate {
gint number; /* for naming nameless manual objects */
gchar *default_title;
GdkGC *root_xor_gc;
gboolean rect_drawn;
GdlDock *rect_owner;
GdlDockRequest *drag_request;
/* source id for the idle handler to emit a layout_changed signal */
guint idle_layout_changed_id;
/* hashes to quickly calculate the overall locked status: i.e.
* if size(unlocked_items) == 0 then locked = 1
* else if size(locked_items) == 0 then locked = 0
* else locked = -1
*/
GHashTable *locked_items;
GHashTable *unlocked_items;
GdlSwitcherStyle switcher_style;
GdlDockExpansionDirection expansion_direction;
};
#define COMPUTE_LOCKED(master) \
(g_hash_table_size ((master)->_priv->unlocked_items) == 0 ? 1 : \
(g_hash_table_size ((master)->_priv->locked_items) == 0 ? 0 : -1))
static guint master_signals [LAST_SIGNAL] = { 0 };
/* ----- Private interface ----- */
GDL_CLASS_BOILERPLATE (GdlDockMaster, gdl_dock_master, GObject, G_TYPE_OBJECT);
static void
gdl_dock_master_class_init (GdlDockMasterClass *klass)
{
GObjectClass *g_object_class;
g_object_class = G_OBJECT_CLASS (klass);
g_object_class->dispose = gdl_dock_master_dispose;
g_object_class->set_property = gdl_dock_master_set_property;
g_object_class->get_property = gdl_dock_master_get_property;
g_object_class_install_property (
g_object_class, PROP_DEFAULT_TITLE,
g_param_spec_string ("default-title", _("Default title"),
_("Default title for newly created floating docks"),
NULL,
G_PARAM_READWRITE));
g_object_class_install_property (
g_object_class, PROP_LOCKED,
g_param_spec_int ("locked", _("Locked"),
_("If is set to 1, all the dock items bound to the master "
"are locked; if it's 0, all are unlocked; -1 indicates "
"inconsistency among the items"),
-1, 1, 0,
G_PARAM_READWRITE));
g_object_class_install_property (
g_object_class, PROP_SWITCHER_STYLE,
g_param_spec_enum ("switcher-style", _("Switcher Style"),
_("Switcher buttons style"),
GDL_TYPE_SWITCHER_STYLE,
GDL_SWITCHER_STYLE_BOTH,
G_PARAM_READWRITE));
g_object_class_install_property (
g_object_class, PROP_EXPANSION_DIRECTION,
g_param_spec_enum ("expand-direction", _("Expand direction"),
_("Allow the master's dock items to expand their container "
"dock objects in the given direction"),
GDL_TYPE_EXPANSION_DIRECTION,
GDL_DOCK_EXPANSION_DIRECTION_NONE,
G_PARAM_READWRITE));
master_signals [LAYOUT_CHANGED] =
g_signal_new ("layout-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GdlDockMasterClass, layout_changed),
NULL, /* accumulator */
NULL, /* accu_data */
gdl_marshal_VOID__VOID,
G_TYPE_NONE, /* return type */
0);
klass->layout_changed = gdl_dock_master_layout_changed;
}
static void
gdl_dock_master_instance_init (GdlDockMaster *master)
{
master->dock_objects = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, NULL);
master->toplevel_docks = NULL;
master->controller = NULL;
master->dock_number = 1;
master->_priv = g_new0 (GdlDockMasterPrivate, 1);
master->_priv->number = 1;
master->_priv->switcher_style = GDL_SWITCHER_STYLE_BOTH;
master->_priv->expansion_direction = GDL_DOCK_EXPANSION_DIRECTION_NONE;
master->_priv->locked_items = g_hash_table_new (g_direct_hash, g_direct_equal);
master->_priv->unlocked_items = g_hash_table_new (g_direct_hash, g_direct_equal);
}
static void
_gdl_dock_master_remove (GdlDockObject *object,
GdlDockMaster *master)
{
g_return_if_fail (master != NULL && object != NULL);
if (GDL_IS_DOCK (object)) {
GList *found_link;
found_link = g_list_find (master->toplevel_docks, object);
if (found_link)
master->toplevel_docks = g_list_delete_link (master->toplevel_docks,
found_link);
if (object == master->controller) {
GList *last;
GdlDockObject *new_controller = NULL;
/* now find some other non-automatic toplevel to use as a
new controller. start from the last dock, since it's
probably a non-floating and manual */
last = g_list_last (master->toplevel_docks);
while (last) {
if (!GDL_DOCK_OBJECT_AUTOMATIC (last->data)) {
new_controller = GDL_DOCK_OBJECT (last->data);
break;
}
last = last->prev;
};
if (new_controller) {
/* the new controller gets the ref (implicitly of course) */
master->controller = new_controller;
} else {
master->controller = NULL;
/* no controller, no master */
g_object_unref (master);
}
}
}
/* disconnect dock object signals */
g_signal_handlers_disconnect_matched (object, G_SIGNAL_MATCH_DATA,
0, 0, NULL, NULL, master);
/* unref the object from the hash if it's there */
if (object->name) {
GdlDockObject *found_object;
found_object = g_hash_table_lookup (master->dock_objects, object->name);
if (found_object == object) {
g_hash_table_remove (master->dock_objects, object->name);
g_object_unref (object);
}
}
}
static void
ht_foreach_build_slist (gpointer key,
gpointer value,
GSList **slist)
{
*slist = g_slist_prepend (*slist, value);
}
static void
gdl_dock_master_dispose (GObject *g_object)
{
GdlDockMaster *master;
g_return_if_fail (GDL_IS_DOCK_MASTER (g_object));
master = GDL_DOCK_MASTER (g_object);
if (master->toplevel_docks) {
g_list_foreach (master->toplevel_docks,
(GFunc) gdl_dock_object_unbind, NULL);
g_list_free (master->toplevel_docks);
master->toplevel_docks = NULL;
}
if (master->dock_objects) {
GSList *alive_docks = NULL;
g_hash_table_foreach (master->dock_objects,
(GHFunc) ht_foreach_build_slist, &alive_docks);
while (alive_docks) {
gdl_dock_object_unbind (GDL_DOCK_OBJECT (alive_docks->data));
alive_docks = g_slist_delete_link (alive_docks, alive_docks);
}
g_hash_table_destroy (master->dock_objects);
master->dock_objects = NULL;
}
if (master->_priv) {
if (master->_priv->idle_layout_changed_id)
g_source_remove (master->_priv->idle_layout_changed_id);
if (master->_priv->root_xor_gc) {
g_object_unref (master->_priv->root_xor_gc);
master->_priv->root_xor_gc = NULL;
}
if (master->_priv->drag_request) {
if (G_IS_VALUE (&master->_priv->drag_request->extra))
g_value_unset (&master->_priv->drag_request->extra);
g_free (master->_priv->drag_request);
master->_priv->drag_request = NULL;
}
g_free (master->_priv->default_title);
master->_priv->default_title = NULL;
g_hash_table_destroy (master->_priv->locked_items);
master->_priv->locked_items = NULL;
g_hash_table_destroy (master->_priv->unlocked_items);
master->_priv->unlocked_items = NULL;
g_free (master->_priv);
master->_priv = NULL;
}
GDL_CALL_PARENT (G_OBJECT_CLASS, dispose, (g_object));
}
static void
foreach_lock_unlock (GdlDockItem *item,
gboolean locked)
{
if (!GDL_IS_DOCK_ITEM (item))
return;
g_object_set (item, "locked", locked, NULL);
if (gdl_dock_object_is_compound (GDL_DOCK_OBJECT (item)))
gtk_container_foreach (GTK_CONTAINER (item),
(GtkCallback) foreach_lock_unlock,
GINT_TO_POINTER (locked));
}
static void
gdl_dock_master_lock_unlock (GdlDockMaster *master,
gboolean locked)
{
GList *l;
for (l = master->toplevel_docks; l; l = l->next) {
GdlDock *dock = GDL_DOCK (l->data);
if (dock->root)
foreach_lock_unlock (GDL_DOCK_ITEM (dock->root), locked);
}
/* just to be sure hidden items are set too */
gdl_dock_master_foreach (master,
(GFunc) foreach_lock_unlock,
GINT_TO_POINTER (locked));
}
static void
gdl_dock_master_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GdlDockMaster *master = GDL_DOCK_MASTER (object);
switch (prop_id) {
case PROP_DEFAULT_TITLE:
g_free (master->_priv->default_title);
master->_priv->default_title = g_value_dup_string (value);
break;
case PROP_LOCKED:
if (g_value_get_int (value) >= 0)
gdl_dock_master_lock_unlock (master, (g_value_get_int (value) > 0));
break;
case PROP_SWITCHER_STYLE:
gdl_dock_master_set_switcher_style (master, g_value_get_enum (value));
break;
case PROP_EXPANSION_DIRECTION:
master->_priv->expansion_direction = g_value_get_enum (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gdl_dock_master_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GdlDockMaster *master = GDL_DOCK_MASTER (object);
switch (prop_id) {
case PROP_DEFAULT_TITLE:
g_value_set_string (value, master->_priv->default_title);
break;
case PROP_LOCKED:
g_value_set_int (value, COMPUTE_LOCKED (master));
break;
case PROP_SWITCHER_STYLE:
g_value_set_enum (value, master->_priv->switcher_style);
break;
case PROP_EXPANSION_DIRECTION:
g_value_set_enum (value, master->_priv->expansion_direction);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gdl_dock_master_drag_begin (GdlDockItem *item,
gpointer data)
{
GdlDockMaster *master;
GdlDockRequest *request;
g_return_if_fail (data != NULL);
g_return_if_fail (item != NULL);
master = GDL_DOCK_MASTER (data);
if (!master->_priv->drag_request)
master->_priv->drag_request = g_new0 (GdlDockRequest, 1);
request = master->_priv->drag_request;
/* Set the target to itself so it won't go floating with just a click. */
request->applicant = GDL_DOCK_OBJECT (item);
request->target = GDL_DOCK_OBJECT (item);
request->position = GDL_DOCK_FLOATING;
if (G_IS_VALUE (&request->extra))
g_value_unset (&request->extra);
master->_priv->rect_drawn = FALSE;
master->_priv->rect_owner = NULL;
}
static void
gdl_dock_master_drag_end (GdlDockItem *item,
gboolean cancelled,
gpointer data)
{
GdlDockMaster *master;
GdlDockRequest *request;
g_return_if_fail (data != NULL);
g_return_if_fail (item != NULL);
master = GDL_DOCK_MASTER (data);
request = master->_priv->drag_request;
g_return_if_fail (GDL_DOCK_OBJECT (item) == request->applicant);
/* Erase previously drawn rectangle */
if (master->_priv->rect_drawn)
gdl_dock_master_xor_rect (master);
/* cancel conditions */
if (cancelled || request->applicant == request->target)
return;
/* dock object to the requested position */
gdl_dock_object_dock (request->target,
request->applicant,
request->position,
&request->extra);
g_signal_emit (master, master_signals [LAYOUT_CHANGED], 0);
}
static void
gdl_dock_master_drag_motion (GdlDockItem *item,
gint root_x,
gint root_y,
gpointer data)
{
GdlDockMaster *master;
GdlDockRequest my_request, *request;
GdkWindow *window;
gint win_x, win_y;
gint x, y;
GdlDock *dock = NULL;
gboolean may_dock = FALSE;
g_return_if_fail (item != NULL && data != NULL);
master = GDL_DOCK_MASTER (data);
request = master->_priv->drag_request;
g_return_if_fail (GDL_DOCK_OBJECT (item) == request->applicant);
my_request = *request;
/* first look under the pointer */
window = gdk_window_at_pointer (&win_x, &win_y);
if (window) {
GtkWidget *widget;
/* ok, now get the widget who owns that window and see if we can
get to a GdlDock by walking up the hierarchy */
gdk_window_get_user_data (window, (gpointer) &widget);
if (GTK_IS_WIDGET (widget)) {
while (widget && (!GDL_IS_DOCK (widget) ||
GDL_DOCK_OBJECT_GET_MASTER (widget) != master))
widget = widget->parent;
if (widget) {
gint win_w, win_h;
/* verify that the pointer is still in that dock
(the user could have moved it) */
gdk_window_get_geometry (widget->window,
NULL, NULL, &win_w, &win_h, NULL);
gdk_window_get_origin (widget->window, &win_x, &win_y);
if (root_x >= win_x && root_x < win_x + win_w &&
root_y >= win_y && root_y < win_y + win_h)
dock = GDL_DOCK (widget);
}
}
}
if (dock) {
/* translate root coordinates into dock object coordinates
(i.e. widget coordinates) */
gdk_window_get_origin (GTK_WIDGET (dock)->window, &win_x, &win_y);
x = root_x - win_x;
y = root_y - win_y;
may_dock = gdl_dock_object_dock_request (GDL_DOCK_OBJECT (dock),
x, y, &my_request);
}
else {
GList *l;
/* try to dock the item in all the docks in the ring in turn */
for (l = master->toplevel_docks; l; l = l->next) {
dock = GDL_DOCK (l->data);
/* translate root coordinates into dock object coordinates
(i.e. widget coordinates) */
gdk_window_get_origin (GTK_WIDGET (dock)->window, &win_x, &win_y);
x = root_x - win_x;
y = root_y - win_y;
may_dock = gdl_dock_object_dock_request (GDL_DOCK_OBJECT (dock),
x, y, &my_request);
if (may_dock)
break;
}
}
if (!may_dock) {
GtkRequisition req;
/* Special case for GdlDockItems : they must respect the flags */
if(GDL_IS_DOCK_ITEM(item)
&& GDL_DOCK_ITEM(item)->behavior & GDL_DOCK_ITEM_BEH_NEVER_FLOATING)
return;
dock = NULL;
my_request.target = GDL_DOCK_OBJECT (
gdl_dock_object_get_toplevel (request->applicant));
my_request.position = GDL_DOCK_FLOATING;
gdl_dock_item_preferred_size (GDL_DOCK_ITEM (request->applicant), &req);
my_request.rect.width = req.width;
my_request.rect.height = req.height;
my_request.rect.x = root_x - GDL_DOCK_ITEM (request->applicant)->dragoff_x;
my_request.rect.y = root_y - GDL_DOCK_ITEM (request->applicant)->dragoff_y;
/* setup extra docking information */
if (G_IS_VALUE (&my_request.extra))
g_value_unset (&my_request.extra);
g_value_init (&my_request.extra, GDK_TYPE_RECTANGLE);
g_value_set_boxed (&my_request.extra, &my_request.rect);
}
/* if we want to enforce GDL_DOCK_ITEM_BEH_NEVER_FLOATING */
/* the item must remain attached to the controller, otherwise */
/* it could be inserted in another floating dock */
/* so check for the flag at this moment */
else if(GDL_IS_DOCK_ITEM(item)
&& GDL_DOCK_ITEM(item)->behavior & GDL_DOCK_ITEM_BEH_NEVER_FLOATING
&& dock != GDL_DOCK(master->controller))
return;
if (!(my_request.rect.x == request->rect.x &&
my_request.rect.y == request->rect.y &&
my_request.rect.width == request->rect.width &&
my_request.rect.height == request->rect.height &&
dock == master->_priv->rect_owner)) {
/* erase the previous rectangle */
if (master->_priv->rect_drawn)
gdl_dock_master_xor_rect (master);
}
/* set the new values */
*request = my_request;
master->_priv->rect_owner = dock;
/* draw the previous rectangle */
if (~master->_priv->rect_drawn)
gdl_dock_master_xor_rect (master);
}
static void
_gdl_dock_master_foreach (gpointer key,
gpointer value,
gpointer user_data)
{
(void)key;
struct {
GFunc function;
gpointer user_data;
} *data = user_data;
(* data->function) (GTK_WIDGET (value), data->user_data);
}
static void
gdl_dock_master_xor_rect (GdlDockMaster *master)
{
gint8 dash_list [2];
GdkWindow *window;
GdkRectangle *rect;
if (!master->_priv || !master->_priv->drag_request)
return;
master->_priv->rect_drawn = ~master->_priv->rect_drawn;
if (master->_priv->rect_owner) {
gdl_dock_xor_rect (master->_priv->rect_owner,
&master->_priv->drag_request->rect);
return;
}
rect = &master->_priv->drag_request->rect;
window = gdk_get_default_root_window ();
if (!master->_priv->root_xor_gc) {
GdkGCValues values;
values.function = GDK_INVERT;
values.subwindow_mode = GDK_INCLUDE_INFERIORS;
master->_priv->root_xor_gc = gdk_gc_new_with_values (
window, &values, GDK_GC_FUNCTION | GDK_GC_SUBWINDOW);
};
#ifdef WIN32
GdkLineStyle lineStyle = GDK_LINE_ON_OFF_DASH;
if (is_os_vista())
{
// On Vista the dash-line is increadibly slow to draw, it takes several minutes to draw the tracking lines
// With GDK_LINE_SOLID it is parts of a second
// No performance issue on WinXP
lineStyle = GDK_LINE_SOLID;
}
#else
GdkLineStyle lineStyle = GDK_LINE_ON_OFF_DASH;
#endif
gdk_gc_set_line_attributes (master->_priv->root_xor_gc, 1,
lineStyle,
GDK_CAP_NOT_LAST,
GDK_JOIN_BEVEL);
dash_list[0] = 1;
dash_list[1] = 1;
gdk_gc_set_dashes (master->_priv->root_xor_gc, 1, dash_list, 2);
gdk_draw_rectangle (window, master->_priv->root_xor_gc, 0,
rect->x, rect->y,
rect->width, rect->height);
gdk_gc_set_dashes (master->_priv->root_xor_gc, 0, dash_list, 2);
gdk_draw_rectangle (window, master->_priv->root_xor_gc, 0,
rect->x + 1, rect->y + 1,
rect->width - 2, rect->height - 2);
}
static void
gdl_dock_master_layout_changed (GdlDockMaster *master)
{
g_return_if_fail (GDL_IS_DOCK_MASTER (master));
/* emit "layout-changed" on the controller to notify the user who
* normally shouldn't have access to us */
if (master->controller)
g_signal_emit_by_name (master->controller, "layout-changed");
/* remove the idle handler if there is one */
if (master->_priv->idle_layout_changed_id) {
g_source_remove (master->_priv->idle_layout_changed_id);
master->_priv->idle_layout_changed_id = 0;
}
}
static gboolean
idle_emit_layout_changed (gpointer user_data)
{
GdlDockMaster *master = user_data;
g_return_val_if_fail (master && GDL_IS_DOCK_MASTER (master), FALSE);
master->_priv->idle_layout_changed_id = 0;
g_signal_emit (master, master_signals [LAYOUT_CHANGED], 0);
return FALSE;
}
static void
item_dock_cb (GdlDockObject *object,
GdlDockObject *requestor,
GdlDockPlacement position,
GValue *other_data,
gpointer user_data)
{
GdlDockMaster *master = user_data;
g_return_if_fail (requestor && GDL_IS_DOCK_OBJECT (requestor));
g_return_if_fail (master && GDL_IS_DOCK_MASTER (master));
/* here we are in fact interested in the requestor, since it's
* assumed that object will not change its visibility... for the
* requestor, however, could mean that it's being shown */
if (!GDL_DOCK_OBJECT_IN_REFLOW (requestor) &&
!GDL_DOCK_OBJECT_AUTOMATIC (requestor)) {
if (!master->_priv->idle_layout_changed_id)
master->_priv->idle_layout_changed_id =
g_idle_add (idle_emit_layout_changed, master);
}
}
static void
item_detach_cb (GdlDockObject *object,
gboolean recursive,
gpointer user_data)
{
GdlDockMaster *master = user_data;
g_return_if_fail (object && GDL_IS_DOCK_OBJECT (object));
g_return_if_fail (master && GDL_IS_DOCK_MASTER (master));
if (!GDL_DOCK_OBJECT_IN_REFLOW (object) &&
!GDL_DOCK_OBJECT_AUTOMATIC (object)) {
if (!master->_priv->idle_layout_changed_id)
master->_priv->idle_layout_changed_id =
g_idle_add (idle_emit_layout_changed, master);
}
}
static void
item_notify_cb (GdlDockObject *object,
GParamSpec *pspec,
gpointer user_data)
{
GdlDockMaster *master = user_data;
gint locked = COMPUTE_LOCKED (master);
gboolean item_locked;
g_object_get (object, "locked", &item_locked, NULL);
if (item_locked) {
g_hash_table_remove (master->_priv->unlocked_items, object);
g_hash_table_insert (master->_priv->locked_items, object, NULL);
} else {
g_hash_table_remove (master->_priv->locked_items, object);
g_hash_table_insert (master->_priv->unlocked_items, object, NULL);
}
if (COMPUTE_LOCKED (master) != locked)
g_object_notify (G_OBJECT (master), "locked");
}
/* ----- Public interface ----- */
void
gdl_dock_master_add (GdlDockMaster *master,
GdlDockObject *object)
{
g_return_if_fail (master != NULL && object != NULL);
if (!GDL_DOCK_OBJECT_AUTOMATIC (object)) {
GdlDockObject *found_object;
/* create a name for the object if it doesn't have one */
if (!object->name)
/* directly set the name, since it's a construction only
property */
object->name = g_strdup_printf ("__dock_%u", master->_priv->number++);
/* add the object to our hash list */
if ((found_object = g_hash_table_lookup (master->dock_objects, object->name))) {
g_warning (_("master %p: unable to add object %p[%s] to the hash. "
"There already is an item with that name (%p)."),
master, object, object->name, found_object);
}
else {
g_object_ref (object);
gtk_object_sink (GTK_OBJECT (object));
g_hash_table_insert (master->dock_objects, g_strdup (object->name), object);
}
}
if (GDL_IS_DOCK (object)) {
gboolean floating;
/* if this is the first toplevel we are adding, name it controller */
if (!master->toplevel_docks)
/* the dock should already have the ref */
master->controller = object;
/* add dock to the toplevel list */
g_object_get (object, "floating", &floating, NULL);
if (floating)
master->toplevel_docks = g_list_prepend (master->toplevel_docks, object);
else
master->toplevel_docks = g_list_append (master->toplevel_docks, object);
/* we are interested in the dock request this toplevel
* receives to update the layout */
g_signal_connect (object, "dock",
G_CALLBACK (item_dock_cb), master);
}
else if (GDL_IS_DOCK_ITEM (object)) {
/* we need to connect the item's signals */
g_signal_connect (object, "dock_drag_begin",
G_CALLBACK (gdl_dock_master_drag_begin), master);
g_signal_connect (object, "dock_drag_motion",
G_CALLBACK (gdl_dock_master_drag_motion), master);
g_signal_connect (object, "dock_drag_end",
G_CALLBACK (gdl_dock_master_drag_end), master);
g_signal_connect (object, "dock",
G_CALLBACK (item_dock_cb), master);
g_signal_connect (object, "detach",
G_CALLBACK (item_detach_cb), master);
/* register to "locked" notification if the item has a grip,
* and add the item to the corresponding hash */
if (GDL_DOCK_ITEM_HAS_GRIP (GDL_DOCK_ITEM (object))) {
g_signal_connect (object, "notify::locked",
G_CALLBACK (item_notify_cb), master);
item_notify_cb (object, NULL, master);
}
/* If the item is notebook, set the switcher style */
if (GDL_IS_DOCK_NOTEBOOK (object) &&
GDL_IS_SWITCHER (GDL_DOCK_ITEM (object)->child))
{
g_object_set (GDL_DOCK_ITEM (object)->child, "switcher-style",
master->_priv->switcher_style, NULL);
}
/* post a layout_changed emission if the item is not automatic
* (since it should be added to the items model) */
if (!GDL_DOCK_OBJECT_AUTOMATIC (object)) {
if (!master->_priv->idle_layout_changed_id)
master->_priv->idle_layout_changed_id =
g_idle_add (idle_emit_layout_changed, master);
}
}
}
void
gdl_dock_master_remove (GdlDockMaster *master,
GdlDockObject *object)
{
g_return_if_fail (master != NULL && object != NULL);
/* remove from locked/unlocked hashes and property change if
* that's the case */
if (GDL_IS_DOCK_ITEM (object) && GDL_DOCK_ITEM_HAS_GRIP (GDL_DOCK_ITEM (object))) {
gint locked = COMPUTE_LOCKED (master);
if (g_hash_table_remove (master->_priv->locked_items, object) ||
g_hash_table_remove (master->_priv->unlocked_items, object)) {
if (COMPUTE_LOCKED (master) != locked)
g_object_notify (G_OBJECT (master), "locked");
}
}
/* ref the master, since removing the controller could cause master disposal */
g_object_ref (master);
/* all the interesting stuff happens in _gdl_dock_master_remove */
_gdl_dock_master_remove (object, master);
/* post a layout_changed emission if the item is not automatic
* (since it should be removed from the items model) */
if (!GDL_DOCK_OBJECT_AUTOMATIC (object)) {
if (!master->_priv->idle_layout_changed_id)
master->_priv->idle_layout_changed_id =
g_idle_add (idle_emit_layout_changed, master);
}
/* balance ref count */
g_object_unref (master);
}
void
gdl_dock_master_foreach (GdlDockMaster *master,
GFunc function,
gpointer user_data)
{
struct {
GFunc function;
gpointer user_data;
} data;
g_return_if_fail (master != NULL && function != NULL);
data.function = function;
data.user_data = user_data;
g_hash_table_foreach (master->dock_objects, _gdl_dock_master_foreach, &data);
}
void
gdl_dock_master_foreach_toplevel (GdlDockMaster *master,
gboolean include_controller,
GFunc function,
gpointer user_data)
{
GList *l;
g_return_if_fail (master != NULL && function != NULL);
for (l = master->toplevel_docks; l; ) {
GdlDockObject *object = GDL_DOCK_OBJECT (l->data);
l = l->next;
if (object != master->controller || include_controller)
(* function) (GTK_WIDGET (object), user_data);
}
}
GdlDockObject *
gdl_dock_master_get_object (GdlDockMaster *master,
const gchar *nick_name)
{
gpointer *found;
g_return_val_if_fail (master != NULL, NULL);
if (!nick_name)
return NULL;
found = g_hash_table_lookup (master->dock_objects, nick_name);
return found ? GDL_DOCK_OBJECT (found) : NULL;
}
GdlDockObject *
gdl_dock_master_get_controller (GdlDockMaster *master)
{
g_return_val_if_fail (master != NULL, NULL);
return master->controller;
}
void
gdl_dock_master_set_controller (GdlDockMaster *master,
GdlDockObject *new_controller)
{
g_return_if_fail (master != NULL);
if (new_controller) {
if (GDL_DOCK_OBJECT_AUTOMATIC (new_controller))
g_warning (_("The new dock controller %p is automatic. Only manual "
"dock objects should be named controller."), new_controller);
/* check that the controller is in the toplevel list */
if (!g_list_find (master->toplevel_docks, new_controller))
gdl_dock_master_add (master, new_controller);
master->controller = new_controller;
} else {
master->controller = NULL;
/* no controller, no master */
g_object_unref (master);
}
}
static void
set_switcher_style_foreach (GtkWidget *obj, gpointer user_data)
{
GdlSwitcherStyle style = GPOINTER_TO_INT (user_data);
if (!GDL_IS_DOCK_ITEM (obj))
return;
if (GDL_IS_DOCK_NOTEBOOK (obj)) {
GtkWidget *child = GDL_DOCK_ITEM (obj)->child;
if (GDL_IS_SWITCHER (child)) {
g_object_set (child, "switcher-style", style, NULL);
}
} else if (gdl_dock_object_is_compound (GDL_DOCK_OBJECT (obj))) {
gtk_container_foreach (GTK_CONTAINER (obj),
set_switcher_style_foreach,
user_data);
}
}
static void
gdl_dock_master_set_switcher_style (GdlDockMaster *master,
GdlSwitcherStyle switcher_style)
{
GList *l;
g_return_if_fail (GDL_IS_DOCK_MASTER (master));
master->_priv->switcher_style = switcher_style;
for (l = master->toplevel_docks; l; l = l->next) {
GdlDock *dock = GDL_DOCK (l->data);
if (dock->root)
set_switcher_style_foreach (GTK_WIDGET (dock->root),
GINT_TO_POINTER (switcher_style));
}
/* just to be sure hidden items are set too */
gdl_dock_master_foreach (master, (GFunc) set_switcher_style_foreach,
GINT_TO_POINTER (switcher_style));
}
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