1 /**
2 * \brief A desktop dock pane to dock dialogs.
3 *
4 * Author:
5 * Gustav Broberg <broberg@kth.se>
6 *
7 * Copyright (C) 2007 Authors
8 *
9 * Released under GNU GPL. Read the file 'COPYING' for more information.
10 */
12 #include "inkscape.h"
13 #include "prefs-utils.h"
14 #include "desktop.h"
16 #include "dock.h"
18 #include <gtkmm/adjustment.h>
20 namespace Inkscape {
21 namespace UI {
22 namespace Widget {
24 namespace {
26 void hideCallback(GtkObject *object, gpointer dock_ptr)
27 {
28 g_return_if_fail( dock_ptr != NULL );
30 Dock *dock = (Dock *)dock_ptr;
31 dock->hide();
32 }
34 void unhideCallback(GtkObject *object, gpointer dock_ptr)
35 {
36 g_return_if_fail( dock_ptr != NULL );
38 Dock *dock = (Dock *)dock_ptr;
39 dock->show();
40 }
42 }
44 const int Dock::_default_empty_width = 0;
45 const int Dock::_default_dock_bar_width = 36;
48 Dock::Dock(Gtk::Orientation orientation)
49 : _gdl_dock (GDL_DOCK (gdl_dock_new())),
50 _gdl_dock_bar (GDL_DOCK_BAR (gdl_dock_bar_new(GDL_DOCK(_gdl_dock)))),
51 _scrolled_window (Gtk::manage(new Gtk::ScrolledWindow))
52 {
53 gdl_dock_bar_set_orientation(_gdl_dock_bar, static_cast<GtkOrientation>(orientation));
55 switch (orientation) {
56 case Gtk::ORIENTATION_VERTICAL:
57 _dock_box = Gtk::manage(new Gtk::HBox());
58 _paned = Gtk::manage(new Gtk::VPaned());
59 break;
60 case Gtk::ORIENTATION_HORIZONTAL:
61 _dock_box = Gtk::manage(new Gtk::VBox());
62 _paned = Gtk::manage(new Gtk::HPaned());
63 }
65 _scrolled_window->add(*_dock_box);
66 _scrolled_window->set_policy(Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
68 _paned->pack1(*Glib::wrap(GTK_WIDGET(_gdl_dock)), false, false);
69 _paned->pack2(_filler, true, false);
71 _dock_box->pack_start(*_paned, Gtk::PACK_EXPAND_WIDGET);
72 _dock_box->pack_end(*Gtk::manage(Glib::wrap(GTK_WIDGET(_gdl_dock_bar))), Gtk::PACK_SHRINK);
73 _dock_box->get_parent()->set_resize_mode(Gtk::RESIZE_PARENT);
75 _scrolled_window->set_size_request(0);
77 GdlSwitcherStyle gdl_switcher_style =
78 static_cast<GdlSwitcherStyle>(prefs_get_int_attribute_limited("options.dock", "switcherstyle",
79 GDL_SWITCHER_STYLE_BOTH, 0, 4));
81 g_object_set (GDL_DOCK_OBJECT(_gdl_dock)->master,
82 "switcher-style", gdl_switcher_style,
83 NULL);
85 GdlDockBarStyle gdl_dock_bar_style =
86 static_cast<GdlDockBarStyle>(prefs_get_int_attribute_limited("options.dock", "dockbarstyle",
87 GDL_DOCK_BAR_BOTH, 0, 3));
89 gdl_dock_bar_set_style(_gdl_dock_bar, gdl_dock_bar_style);
91 g_signal_connect(G_OBJECT(INKSCAPE), "dialogs_hide", G_CALLBACK(hideCallback), (void *)this);
92 g_signal_connect(G_OBJECT(INKSCAPE), "dialogs_unhide", G_CALLBACK(unhideCallback), (void *)this);
94 signal_layout_changed().connect(sigc::mem_fun(*this, &Inkscape::UI::Widget::Dock::_onLayoutChanged));
95 }
97 Dock::~Dock()
98 {
99 g_free(_gdl_dock);
100 g_free(_gdl_dock_bar);
101 }
103 void
104 Dock::addItem(DockItem& item, DockItem::Placement placement)
105 {
106 _dock_items.push_back(&item);
107 gdl_dock_add_item(_gdl_dock, GDL_DOCK_ITEM(item.gobj()), (GdlDockPlacement)placement);
109 // FIXME: This is a hack to prevent the dock from expanding the main window, this can't be done
110 // initially as the paned doesn't exist.
111 if (Gtk::Paned *paned = getParentPaned())
112 paned->set_resize_mode(Gtk::RESIZE_QUEUE);
113 }
115 Gtk::Widget&
116 Dock::getWidget()
117 {
118 return *_scrolled_window;
119 }
121 Gtk::Paned *
122 Dock::getParentPaned()
123 {
124 g_return_val_if_fail(_dock_box, 0);
125 Gtk::Container *parent = getWidget().get_parent();
126 return (parent != 0 ? dynamic_cast<Gtk::Paned *>(parent) : 0);
127 }
130 Gtk::Paned *
131 Dock::getPaned()
132 {
133 return _paned;
134 }
136 GtkWidget *
137 Dock::getGdlWidget()
138 {
139 return GTK_WIDGET(_gdl_dock);
140 }
142 bool
143 Dock::isEmpty() const
144 {
145 std::list<const DockItem *>::const_iterator
146 i = _dock_items.begin(),
147 e = _dock_items.end();
149 for (; i != e; ++i)
150 if ((*i)->getState() == DockItem::DOCKED_STATE)
151 return false;
153 return true;
154 }
156 bool
157 Dock::hasIconifiedItems() const
158 {
159 std::list<const DockItem *>::const_iterator
160 i = _dock_items.begin(),
161 e = _dock_items.end();
163 for (; i != e; ++i)
164 if ((*i)->isIconified())
165 return true;
167 return false;
168 }
170 void
171 Dock::hide()
172 {
173 getWidget().hide();
174 }
176 void
177 Dock::show()
178 {
179 getWidget().show();
180 }
182 void
183 Dock::toggleDockable(int width, int height)
184 {
185 static int prev_horizontal_position, prev_vertical_position;
187 Gtk::Paned *parent_paned = getParentPaned();
189 if (width > 0 && height > 0) {
190 prev_horizontal_position = parent_paned->get_position();
191 prev_vertical_position = _paned->get_position();
193 if (getWidget().get_width() < width)
194 parent_paned->set_position(parent_paned->get_width() - width);
196 if (_paned->get_position() < height)
197 _paned->set_position(height);
199 } else {
200 parent_paned->set_position(prev_horizontal_position);
201 _paned->set_position(prev_vertical_position);
202 }
204 }
206 void
207 Dock::scrollToItem(DockItem& item)
208 {
209 int item_x, item_y;
210 item.getWidget().translate_coordinates(getWidget(), 0, 0, item_x, item_y);
212 int dock_height = getWidget().get_height(), item_height = item.getWidget().get_height();
213 double vadjustment = _scrolled_window->get_vadjustment()->get_value();
215 if (item_y < 0)
216 _scrolled_window->get_vadjustment()->set_value(vadjustment + item_y);
217 else if (item_y + item_height > dock_height)
218 _scrolled_window->get_vadjustment()->set_value(
219 vadjustment + ((item_y + item_height) - dock_height));
220 }
222 Glib::SignalProxy0<void>
223 Dock::signal_layout_changed()
224 {
225 return Glib::SignalProxy0<void>(Glib::wrap(GTK_WIDGET(_gdl_dock)),
226 &_signal_layout_changed_proxy);
227 }
229 void
230 Dock::_onLayoutChanged()
231 {
232 if (isEmpty()) {
234 if (hasIconifiedItems())
235 _scrolled_window->set_size_request(_default_dock_bar_width);
236 else
237 _scrolled_window->set_size_request(_default_empty_width);
239 getParentPaned()->set_position(INT_MAX);
240 } else {
241 _scrolled_window->set_size_request(-1);
242 }
243 }
246 const Glib::SignalProxyInfo
247 Dock::_signal_layout_changed_proxy =
248 {
249 "layout-changed",
250 (GCallback) &Glib::SignalProxyNormal::slot0_void_callback,
251 (GCallback) &Glib::SignalProxyNormal::slot0_void_callback
252 };
255 } // namespace Widget
256 } // namespace UI
257 } // namespace Inkscape
260 /*
261 Local Variables:
262 mode:c++
263 c-file-style:"stroustrup"
264 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
265 indent-tabs-mode:nil
266 fill-column:99
267 End:
268 */
269 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99