1 /** @file
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 "preferences.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 Inkscape::Preferences *prefs = Inkscape::Preferences::get();
78 GdlSwitcherStyle gdl_switcher_style =
79 static_cast<GdlSwitcherStyle>(prefs->getIntLimited("/options/dock/switcherstyle",
80 GDL_SWITCHER_STYLE_BOTH, 0, 4));
82 g_object_set (GDL_DOCK_OBJECT(_gdl_dock)->master,
83 "switcher-style", gdl_switcher_style,
84 "expand-direction", GDL_DOCK_EXPANSION_DIRECTION_DOWN,
85 NULL);
87 GdlDockBarStyle gdl_dock_bar_style =
88 static_cast<GdlDockBarStyle>(prefs->getIntLimited("/options/dock/dockbarstyle",
89 GDL_DOCK_BAR_BOTH, 0, 3));
91 gdl_dock_bar_set_style(_gdl_dock_bar, gdl_dock_bar_style);
93 g_signal_connect(G_OBJECT(INKSCAPE), "dialogs_hide", G_CALLBACK(hideCallback), (void *)this);
94 g_signal_connect(G_OBJECT(INKSCAPE), "dialogs_unhide", G_CALLBACK(unhideCallback), (void *)this);
96 g_signal_connect(_paned->gobj(), "button-press-event", G_CALLBACK(_on_paned_button_event), (void *)this);
97 g_signal_connect(_paned->gobj(), "button-release-event", G_CALLBACK(_on_paned_button_event), (void *)this);
99 signal_layout_changed().connect(sigc::mem_fun(*this, &Inkscape::UI::Widget::Dock::_onLayoutChanged));
100 }
102 Dock::~Dock()
103 {
104 g_free(_gdl_dock);
105 g_free(_gdl_dock_bar);
106 }
108 void
109 Dock::addItem(DockItem& item, DockItem::Placement placement)
110 {
111 _dock_items.push_back(&item);
112 gdl_dock_add_item(_gdl_dock, GDL_DOCK_ITEM(item.gobj()), (GdlDockPlacement)placement);
114 // FIXME: This is a hack to prevent the dock from expanding the main window, this can't be done
115 // initially as the paned doesn't exist.
116 if (Gtk::Paned *paned = getParentPaned()) {
117 paned->set_resize_mode(Gtk::RESIZE_QUEUE);
118 }
119 }
121 Gtk::Widget&
122 Dock::getWidget()
123 {
124 return *_scrolled_window;
125 }
127 Gtk::Paned *
128 Dock::getParentPaned()
129 {
130 g_return_val_if_fail(_dock_box, 0);
131 Gtk::Container *parent = getWidget().get_parent();
132 return (parent != 0 ? dynamic_cast<Gtk::Paned *>(parent) : 0);
133 }
136 Gtk::Paned *
137 Dock::getPaned()
138 {
139 return _paned;
140 }
142 GtkWidget *
143 Dock::getGdlWidget()
144 {
145 return GTK_WIDGET(_gdl_dock);
146 }
148 bool
149 Dock::isEmpty() const
150 {
151 std::list<const DockItem *>::const_iterator
152 i = _dock_items.begin(),
153 e = _dock_items.end();
155 for (; i != e; ++i) {
156 if ((*i)->getState() == DockItem::DOCKED_STATE) {
157 return false;
158 }
159 }
161 return true;
162 }
164 bool
165 Dock::hasIconifiedItems() const
166 {
167 std::list<const DockItem *>::const_iterator
168 i = _dock_items.begin(),
169 e = _dock_items.end();
171 for (; i != e; ++i) {
172 if ((*i)->isIconified()) {
173 return true;
174 }
175 }
177 return false;
178 }
180 void
181 Dock::hide()
182 {
183 getWidget().hide();
184 }
186 void
187 Dock::show()
188 {
189 getWidget().show();
190 }
192 void
193 Dock::toggleDockable(int width, int height)
194 {
195 static int prev_horizontal_position, prev_vertical_position;
197 Gtk::Paned *parent_paned = getParentPaned();
199 if (width > 0 && height > 0) {
200 prev_horizontal_position = parent_paned->get_position();
201 prev_vertical_position = _paned->get_position();
203 if (getWidget().get_width() < width)
204 parent_paned->set_position(parent_paned->get_width() - width);
206 if (_paned->get_position() < height)
207 _paned->set_position(height);
209 } else {
210 parent_paned->set_position(prev_horizontal_position);
211 _paned->set_position(prev_vertical_position);
212 }
214 }
216 void
217 Dock::scrollToItem(DockItem& item)
218 {
219 int item_x, item_y;
220 item.getWidget().translate_coordinates(getWidget(), 0, 0, item_x, item_y);
222 int dock_height = getWidget().get_height(), item_height = item.getWidget().get_height();
223 double vadjustment = _scrolled_window->get_vadjustment()->get_value();
225 if (item_y < 0)
226 _scrolled_window->get_vadjustment()->set_value(vadjustment + item_y);
227 else if (item_y + item_height > dock_height)
228 _scrolled_window->get_vadjustment()->set_value(
229 vadjustment + ((item_y + item_height) - dock_height));
230 }
232 Glib::SignalProxy0<void>
233 Dock::signal_layout_changed()
234 {
235 return Glib::SignalProxy0<void>(Glib::wrap(GTK_WIDGET(_gdl_dock)),
236 &_signal_layout_changed_proxy);
237 }
239 void
240 Dock::_onLayoutChanged()
241 {
242 if (isEmpty()) {
243 if (hasIconifiedItems()) {
244 _scrolled_window->set_size_request(_default_dock_bar_width);
245 } else {
246 _scrolled_window->set_size_request(_default_empty_width);
247 }
249 getParentPaned()->set_position(INT_MAX);
250 } else {
251 // unset any forced size requests
252 _paned->get_child1()->set_size_request(-1, -1);
253 _scrolled_window->set_size_request(-1);
254 }
255 }
257 void
258 Dock::_onPanedButtonEvent(GdkEventButton *event)
259 {
260 if (event->button == 1 && event->type == GDK_BUTTON_PRESS)
261 /* unset size request when starting a drag */
262 _paned->get_child1()->set_size_request(-1, -1);
263 }
265 gboolean
266 Dock::_on_paned_button_event(GtkWidget */*widget*/, GdkEventButton *event, gpointer user_data)
267 {
268 if (Dock *dock = static_cast<Dock *>(user_data))
269 dock->_onPanedButtonEvent(event);
271 return FALSE;
272 }
274 const Glib::SignalProxyInfo
275 Dock::_signal_layout_changed_proxy =
276 {
277 "layout-changed",
278 (GCallback) &Glib::SignalProxyNormal::slot0_void_callback,
279 (GCallback) &Glib::SignalProxyNormal::slot0_void_callback
280 };
283 } // namespace Widget
284 } // namespace UI
285 } // namespace Inkscape
288 /*
289 Local Variables:
290 mode:c++
291 c-file-style:"stroustrup"
292 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
293 indent-tabs-mode:nil
294 fill-column:99
295 End:
296 */
297 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99