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 "expand-direction", GDL_DOCK_EXPANSION_DIRECTION_DOWN,
84 NULL);
86 GdlDockBarStyle gdl_dock_bar_style =
87 static_cast<GdlDockBarStyle>(prefs_get_int_attribute_limited("options.dock", "dockbarstyle",
88 GDL_DOCK_BAR_BOTH, 0, 3));
90 gdl_dock_bar_set_style(_gdl_dock_bar, gdl_dock_bar_style);
92 g_signal_connect(G_OBJECT(INKSCAPE), "dialogs_hide", G_CALLBACK(hideCallback), (void *)this);
93 g_signal_connect(G_OBJECT(INKSCAPE), "dialogs_unhide", G_CALLBACK(unhideCallback), (void *)this);
95 g_signal_connect(_paned->gobj(), "button-press-event", G_CALLBACK(_on_paned_button_event), (void *)this);
96 g_signal_connect(_paned->gobj(), "button-release-event", G_CALLBACK(_on_paned_button_event), (void *)this);
98 signal_layout_changed().connect(sigc::mem_fun(*this, &Inkscape::UI::Widget::Dock::_onLayoutChanged));
99 }
101 Dock::~Dock()
102 {
103 g_free(_gdl_dock);
104 g_free(_gdl_dock_bar);
105 }
107 void
108 Dock::addItem(DockItem& item, DockItem::Placement placement)
109 {
110 _dock_items.push_back(&item);
111 gdl_dock_add_item(_gdl_dock, GDL_DOCK_ITEM(item.gobj()), (GdlDockPlacement)placement);
113 // FIXME: This is a hack to prevent the dock from expanding the main window, this can't be done
114 // initially as the paned doesn't exist.
115 if (Gtk::Paned *paned = getParentPaned()) {
116 paned->set_resize_mode(Gtk::RESIZE_QUEUE);
117 }
118 }
120 Gtk::Widget&
121 Dock::getWidget()
122 {
123 return *_scrolled_window;
124 }
126 Gtk::Paned *
127 Dock::getParentPaned()
128 {
129 g_return_val_if_fail(_dock_box, 0);
130 Gtk::Container *parent = getWidget().get_parent();
131 return (parent != 0 ? dynamic_cast<Gtk::Paned *>(parent) : 0);
132 }
135 Gtk::Paned *
136 Dock::getPaned()
137 {
138 return _paned;
139 }
141 GtkWidget *
142 Dock::getGdlWidget()
143 {
144 return GTK_WIDGET(_gdl_dock);
145 }
147 bool
148 Dock::isEmpty() const
149 {
150 std::list<const DockItem *>::const_iterator
151 i = _dock_items.begin(),
152 e = _dock_items.end();
154 for (; i != e; ++i) {
155 if ((*i)->getState() == DockItem::DOCKED_STATE) {
156 return false;
157 }
158 }
160 return true;
161 }
163 bool
164 Dock::hasIconifiedItems() const
165 {
166 std::list<const DockItem *>::const_iterator
167 i = _dock_items.begin(),
168 e = _dock_items.end();
170 for (; i != e; ++i) {
171 if ((*i)->isIconified()) {
172 return true;
173 }
174 }
176 return false;
177 }
179 void
180 Dock::hide()
181 {
182 getWidget().hide();
183 }
185 void
186 Dock::show()
187 {
188 getWidget().show();
189 }
191 void
192 Dock::toggleDockable(int width, int height)
193 {
194 static int prev_horizontal_position, prev_vertical_position;
196 Gtk::Paned *parent_paned = getParentPaned();
198 if (width > 0 && height > 0) {
199 prev_horizontal_position = parent_paned->get_position();
200 prev_vertical_position = _paned->get_position();
202 if (getWidget().get_width() < width)
203 parent_paned->set_position(parent_paned->get_width() - width);
205 if (_paned->get_position() < height)
206 _paned->set_position(height);
208 } else {
209 parent_paned->set_position(prev_horizontal_position);
210 _paned->set_position(prev_vertical_position);
211 }
213 }
215 void
216 Dock::scrollToItem(DockItem& item)
217 {
218 int item_x, item_y;
219 item.getWidget().translate_coordinates(getWidget(), 0, 0, item_x, item_y);
221 int dock_height = getWidget().get_height(), item_height = item.getWidget().get_height();
222 double vadjustment = _scrolled_window->get_vadjustment()->get_value();
224 if (item_y < 0)
225 _scrolled_window->get_vadjustment()->set_value(vadjustment + item_y);
226 else if (item_y + item_height > dock_height)
227 _scrolled_window->get_vadjustment()->set_value(
228 vadjustment + ((item_y + item_height) - dock_height));
229 }
231 Glib::SignalProxy0<void>
232 Dock::signal_layout_changed()
233 {
234 return Glib::SignalProxy0<void>(Glib::wrap(GTK_WIDGET(_gdl_dock)),
235 &_signal_layout_changed_proxy);
236 }
238 void
239 Dock::_onLayoutChanged()
240 {
241 if (isEmpty()) {
242 if (hasIconifiedItems()) {
243 _scrolled_window->set_size_request(_default_dock_bar_width);
244 } else {
245 _scrolled_window->set_size_request(_default_empty_width);
246 }
248 getParentPaned()->set_position(INT_MAX);
249 } else {
250 // unset any forced size requests
251 _paned->get_child1()->set_size_request(-1, -1);
252 _scrolled_window->set_size_request(-1);
253 }
254 }
256 void
257 Dock::_onPanedButtonEvent(GdkEventButton *event)
258 {
259 if (event->button == 1 && event->type == GDK_BUTTON_PRESS)
260 /* unset size request when starting a drag */
261 _paned->get_child1()->set_size_request(-1, -1);
262 }
264 gboolean
265 Dock::_on_paned_button_event(GtkWidget */*widget*/, GdkEventButton *event, gpointer user_data)
266 {
267 if (Dock *dock = static_cast<Dock *>(user_data))
268 dock->_onPanedButtonEvent(event);
270 return FALSE;
271 }
273 const Glib::SignalProxyInfo
274 Dock::_signal_layout_changed_proxy =
275 {
276 "layout-changed",
277 (GCallback) &Glib::SignalProxyNormal::slot0_void_callback,
278 (GCallback) &Glib::SignalProxyNormal::slot0_void_callback
279 };
282 } // namespace Widget
283 } // namespace UI
284 } // namespace Inkscape
287 /*
288 Local Variables:
289 mode:c++
290 c-file-style:"stroustrup"
291 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
292 indent-tabs-mode:nil
293 fill-column:99
294 End:
295 */
296 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99