1 #ifndef __SP_DESKTOP_H__
2 #define __SP_DESKTOP_H__
4 /** \file
5 * SPDesktop: an editable view.
6 *
7 * Author:
8 * Lauris Kaplinski <lauris@kaplinski.com>
9 * Frank Felfe <innerspace@iname.com>
10 * bulia byak <buliabyak@users.sf.net>
11 * Ralf Stephan <ralf@ark.in-berlin.de>
12 * John Bintz <jcoswell@coswellproductions.org>
13 * Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
14 *
15 * Copyright (C) 2007 Johan Engelen
16 * Copyright (C) 2006 John Bintz
17 * Copyright (C) 1999-2005 authors
18 * Copyright (C) 2000-2001 Ximian, Inc.
19 *
20 * Released under GNU GPL, read the file 'COPYING' for more information
21 *
22 */
24 #ifdef HAVE_CONFIG_H
25 #include "config.h"
26 #endif
28 #include <gdk/gdkevents.h>
29 #include <gtk/gtktypeutils.h>
30 #include <sigc++/sigc++.h>
32 #include "libnr/nr-matrix.h"
33 #include "libnr/nr-matrix-fns.h"
34 #include "libnr/nr-rect.h"
35 #include "ui/view/view.h"
36 #include "ui/view/edit-widget-interface.h"
38 class NRRect;
39 class SPCSSAttr;
40 struct _GtkWidget;
41 typedef struct _GtkWidget GtkWidget;
42 struct SPCanvas;
43 struct SPCanvasItem;
44 struct SPCanvasGroup;
45 struct SPDesktopWidget;
46 struct SPEventContext;
47 struct SPItem;
48 struct SPNamedView;
49 struct SPObject;
50 struct SPStyle;
51 struct SPViewWidget;
53 namespace Gtk
54 {
55 class Window;
56 }
58 typedef int sp_verb_t;
62 namespace Inkscape {
63 class Application;
64 class MessageContext;
65 class Selection;
66 class ObjectHierarchy;
67 class LayerManager;
68 class EventLog;
69 namespace UI {
70 namespace Dialog {
71 class DialogManager;
72 }
73 }
74 namespace Whiteboard {
75 class SessionManager;
76 }
77 }
79 /**
80 * Editable view.
81 *
82 * @see \ref desktop-handles.h for desktop macros.
83 */
84 struct SPDesktop : public Inkscape::UI::View::View
85 {
86 Inkscape::UI::Dialog::DialogManager *_dlg_mgr;
87 SPNamedView *namedview;
88 SPCanvas *canvas;
89 /// current selection; will never generally be NULL
90 Inkscape::Selection *selection;
91 SPEventContext *event_context;
92 Inkscape::LayerManager *layer_manager;
93 Inkscape::EventLog *event_log;
95 SPCanvasItem *acetate;
96 SPCanvasGroup *main;
97 SPCanvasGroup *gridgroup;
98 SPCanvasGroup *guides;
99 SPCanvasItem *drawing;
100 SPCanvasGroup *sketch;
101 SPCanvasGroup *controls;
102 SPCanvasItem *table; ///< outside-of-page background
103 SPCanvasItem *page; ///< page background
104 SPCanvasItem *page_border; ///< page border
105 SPCSSAttr *current; ///< current style
107 GList *zooms_past;
108 GList *zooms_future;
109 unsigned int dkey;
110 unsigned int number;
111 guint window_state;
112 unsigned int interaction_disabled_counter;
113 bool waiting_cursor;
115 /// \todo fixme: This has to be implemented in different way */
116 guint guides_active : 1;
118 // storage for selected dragger used by GrDrag as it's
119 // created and deleted by tools
120 SPItem *gr_item;
121 guint gr_point_type;
122 guint gr_point_i;
123 bool gr_fill_or_stroke;
126 Inkscape::ObjectHierarchy *_layer_hierarchy;
127 gchar * _reconstruction_old_layer_id;
129 sigc::signal<void, sp_verb_t> _tool_changed;
130 sigc::signal<void, SPObject *> _layer_changed_signal;
131 sigc::signal<bool, const SPCSSAttr *>::accumulated<StopOnTrue> _set_style_signal;
132 sigc::signal<int, SPStyle *, int>::accumulated<StopOnNonZero> _query_style_signal;
133 sigc::connection connectDocumentReplaced (const sigc::slot<void,SPDesktop*,SPDocument*> & slot)
134 {
135 return _document_replaced_signal.connect (slot);
136 }
138 sigc::connection connectEventContextChanged (const sigc::slot<void,SPDesktop*,SPEventContext*> & slot)
139 {
140 return _event_context_changed_signal.connect (slot);
141 }
142 sigc::connection connectSetStyle (const sigc::slot<bool, const SPCSSAttr *> & slot)
143 {
144 return _set_style_signal.connect (slot);
145 }
146 sigc::connection connectQueryStyle (const sigc::slot<int, SPStyle *, int> & slot)
147 {
148 return _query_style_signal.connect (slot);
149 }
150 // subselection is some sort of selection which is specific to the tool, such as a handle in gradient tool, or a text selection
151 sigc::connection connectToolSubselectionChanged(const sigc::slot<void, gpointer> & slot) {
152 return _tool_subselection_changed.connect(slot);
153 }
154 void emitToolSubselectionChanged(gpointer data);
155 sigc::connection connectCurrentLayerChanged(const sigc::slot<void, SPObject *> & slot) {
156 return _layer_changed_signal.connect(slot);
157 }
159 // Whiteboard changes
161 #ifdef WITH_INKBOARD
162 Inkscape::Whiteboard::SessionManager* whiteboard_session_manager() {
163 return _whiteboard_session_manager;
164 }
166 Inkscape::Whiteboard::SessionManager* _whiteboard_session_manager;
167 #endif
169 SPDesktop();
170 void init (SPNamedView* nv, SPCanvas* canvas);
171 ~SPDesktop();
172 void destroy();
174 Inkscape::MessageContext *guidesMessageContext() const {
175 return _guides_message_context;
176 }
178 void setDisplayModeNormal();
179 void setDisplayModeOutline();
180 void displayModeToggle();
181 int displayMode;
182 int getMode() const { return displayMode; }
184 Inkscape::UI::Widget::Dock* getDock() { return _widget->getDock(); }
186 void set_active (bool new_active);
187 SPObject *currentRoot() const;
188 SPObject *currentLayer() const;
189 void setCurrentLayer(SPObject *object);
190 SPObject *layerForObject(SPObject *object);
191 bool isLayer(SPObject *object) const;
192 bool isWithinViewport(SPItem *item) const;
193 bool itemIsHidden(SPItem const *item) const;
195 void activate_guides (bool activate);
196 void change_document (SPDocument *document);
198 void set_event_context (GtkType type, const gchar *config);
199 void push_event_context (GtkType type, const gchar *config, unsigned int key);
201 void set_coordinate_status (NR::Point p);
202 SPItem *item_from_list_at_point_bottom (const GSList *list, NR::Point const p) const;
203 SPItem *item_at_point (NR::Point const p, bool into_groups, SPItem *upto = NULL) const;
204 SPItem *group_at_point (NR::Point const p) const;
205 NR::Point point() const;
207 NR::Rect get_display_area() const;
208 void set_display_area (double x0, double y0, double x1, double y1, double border, bool log = true);
209 void set_display_area(NR::Rect const &a, NR::Coord border, bool log = true);
210 void zoom_absolute (double cx, double cy, double zoom);
211 void zoom_relative (double cx, double cy, double zoom);
212 void zoom_absolute_keep_point (double cx, double cy, double px, double py, double zoom);
213 void zoom_relative_keep_point (double cx, double cy, double zoom);
214 void zoom_relative_keep_point (NR::Point const &c, double const zoom)
215 {
216 using NR::X;
217 using NR::Y;
218 zoom_relative_keep_point (c[X], c[Y], zoom);
219 }
221 void zoom_page();
222 void zoom_page_width();
223 void zoom_drawing();
224 void zoom_selection();
225 void zoom_grab_focus();
226 double current_zoom() const { return _d2w.expansion(); }
227 void prev_zoom();
228 void next_zoom();
230 bool scroll_to_point (NR::Point const *s_dt, gdouble autoscrollspeed = 0);
231 void scroll_world (double dx, double dy, bool is_scrolling = false);
232 void scroll_world (NR::Point const scroll, bool is_scrolling = false)
233 {
234 using NR::X;
235 using NR::Y;
236 scroll_world(scroll[X], scroll[Y], is_scrolling);
237 }
239 void getWindowGeometry (gint &x, gint &y, gint &w, gint &h);
240 void setWindowPosition (NR::Point p);
241 void setWindowSize (gint w, gint h);
242 void setWindowTransient (void* p, int transient_policy=1);
243 Gtk::Window* getToplevel();
244 void presentWindow();
245 bool warnDialog (gchar *text);
246 void toggleRulers();
247 void toggleScrollbars();
248 void layoutWidget();
249 void destroyWidget();
250 void setToolboxFocusTo (gchar const* label);
251 void setToolboxAdjustmentValue (gchar const* id, double val);
252 void setToolboxSelectOneValue (gchar const* id, gint val);
253 bool isToolboxButtonActive (gchar const *id);
254 void updateNow();
255 void updateCanvasNow();
257 void enableInteraction();
258 void disableInteraction();
260 void setWaitingCursor();
261 void clearWaitingCursor();
263 void toggleGrid();
264 bool gridsEnabled() { return grids_visible; }
266 bool is_iconified();
267 bool is_maximized();
268 bool is_fullscreen();
270 void iconify();
271 void maximize();
272 void fullscreen();
274 void registerEditWidget (Inkscape::UI::View::EditWidgetInterface *widget)
275 { _widget = widget; }
277 NR::Matrix w2d() const; //transformation from window to desktop coordinates (used for zooming)
278 NR::Point w2d(NR::Point const &p) const;
279 NR::Point d2w(NR::Point const &p) const;
280 NR::Matrix doc2dt() const;
281 NR::Point doc2dt(NR::Point const &p) const;
282 NR::Point dt2doc(NR::Point const &p) const;
284 virtual void setDocument (SPDocument* doc);
285 virtual bool shutdown();
286 virtual void mouseover() {}
287 virtual void mouseout() {}
289 virtual bool onDeleteUI (GdkEventAny*);
290 virtual bool onWindowStateEvent (GdkEventWindowState* event);
292 private:
293 Inkscape::UI::View::EditWidgetInterface *_widget;
294 Inkscape::Application *_inkscape;
295 Inkscape::MessageContext *_guides_message_context;
296 bool _active;
297 NR::Matrix _w2d;
298 NR::Matrix _d2w;
299 NR::Matrix _doc2dt;
301 bool grids_visible;
303 void push_current_zoom (GList**);
305 sigc::signal<void,SPDesktop*,SPDocument*> _document_replaced_signal;
306 sigc::signal<void> _activate_signal;
307 sigc::signal<void> _deactivate_signal;
308 sigc::signal<void,SPDesktop*,SPEventContext*> _event_context_changed_signal;
309 sigc::signal<void, gpointer> _tool_subselection_changed;
311 sigc::connection _activate_connection;
312 sigc::connection _deactivate_connection;
313 sigc::connection _sel_modified_connection;
314 sigc::connection _sel_changed_connection;
315 sigc::connection _reconstruction_start_connection;
316 sigc::connection _reconstruction_finish_connection;
317 sigc::connection _commit_connection;
318 sigc::connection _modified_connection;
320 virtual void onPositionSet (double, double);
321 virtual void onResized (double, double);
322 virtual void onRedrawRequested();
323 virtual void onStatusMessage (Inkscape::MessageType type, gchar const *message);
324 virtual void onDocumentURISet (gchar const* uri);
325 virtual void onDocumentResized (double, double);
327 static void _onActivate (SPDesktop* dt);
328 static void _onDeactivate (SPDesktop* dt);
329 static void _onSelectionModified (Inkscape::Selection *selection, guint flags, SPDesktop *dt);
330 };
332 #endif
334 /*
335 Local Variables:
336 mode:c++
337 c-file-style:"stroustrup"
338 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
339 indent-tabs-mode:nil
340 fill-column:99
341 End:
342 */
343 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :