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 <gtk/gtktypeutils.h>
29 #include <sigc++/sigc++.h>
30 #include "libnr/nr-matrix.h"
31 #include "libnr/nr-matrix-fns.h"
32 #include "libnr/nr-rect.h"
33 #include "ui/view/view.h"
34 #include "ui/view/edit-widget-interface.h"
36 class NRRect;
37 class SPCSSAttr;
38 struct SPCanvas;
39 struct SPCanvasItem;
40 struct SPCanvasGroup;
41 struct SPDesktopWidget;
42 struct SPEventContext;
43 struct SPItem;
44 struct SPNamedView;
45 struct SPObject;
46 struct SPStyle;
47 struct SPViewWidget;
49 typedef int sp_verb_t;
51 namespace Inkscape {
52 class Application;
53 class MessageContext;
54 class Selection;
55 class ObjectHierarchy;
56 class LayerManager;
57 class EventLog;
58 namespace UI {
59 namespace Dialog {
60 class DialogManager;
61 }
62 }
63 namespace Whiteboard {
64 class SessionManager;
65 }
66 }
68 /**
69 * Editable view.
70 *
71 * @see \ref desktop-handles.h for desktop macros.
72 */
73 struct SPDesktop : public Inkscape::UI::View::View
74 {
75 Inkscape::UI::Dialog::DialogManager *_dlg_mgr;
76 SPNamedView *namedview;
77 SPCanvas *canvas;
78 /// current selection; will never generally be NULL
79 Inkscape::Selection *selection;
80 SPEventContext *event_context;
81 Inkscape::LayerManager *layer_manager;
82 Inkscape::EventLog *event_log;
84 SPCanvasItem *acetate;
85 SPCanvasGroup *main;
86 SPCanvasGroup *grid;
87 SPCanvasGroup *guides;
88 SPCanvasItem *drawing;
89 SPCanvasGroup *sketch;
90 SPCanvasGroup *controls;
91 SPCanvasItem *table; ///< outside-of-page background
92 SPCanvasItem *page; ///< page background
93 SPCanvasItem *page_border; ///< page border
94 SPCSSAttr *current; ///< current style
96 GList *zooms_past;
97 GList *zooms_future;
98 unsigned int dkey;
99 unsigned int number;
100 bool is_fullscreen;
101 unsigned int interaction_disabled_counter;
103 /// \todo fixme: This has to be implemented in different way */
104 guint guides_active : 1;
106 // storage for selected dragger used by GrDrag as it's
107 // created and deleted by tools
108 SPItem *gr_item;
109 guint gr_point_type;
110 guint gr_point_i;
111 bool gr_fill_or_stroke;
114 Inkscape::ObjectHierarchy *_layer_hierarchy;
115 gchar * _reconstruction_old_layer_id;
117 sigc::signal<void, sp_verb_t> _tool_changed;
118 sigc::signal<void, SPObject *> _layer_changed_signal;
119 sigc::signal<bool, const SPCSSAttr *>::accumulated<StopOnTrue> _set_style_signal;
120 sigc::signal<int, SPStyle *, int>::accumulated<StopOnNonZero> _query_style_signal;
121 sigc::connection connectDocumentReplaced (const sigc::slot<void,SPDesktop*,SPDocument*> & slot)
122 {
123 return _document_replaced_signal.connect (slot);
124 }
126 sigc::connection connectEventContextChanged (const sigc::slot<void,SPDesktop*,SPEventContext*> & slot)
127 {
128 return _event_context_changed_signal.connect (slot);
129 }
130 sigc::connection connectSetStyle (const sigc::slot<bool, const SPCSSAttr *> & slot)
131 {
132 return _set_style_signal.connect (slot);
133 }
134 sigc::connection connectQueryStyle (const sigc::slot<int, SPStyle *, int> & slot)
135 {
136 return _query_style_signal.connect (slot);
137 }
138 // subselection is some sort of selection which is specific to the tool, such as a handle in gradient tool, or a text selection
139 sigc::connection connectToolSubselectionChanged(const sigc::slot<void, gpointer> & slot) {
140 return _tool_subselection_changed.connect(slot);
141 }
142 void emitToolSubselectionChanged(gpointer data);
143 sigc::connection connectCurrentLayerChanged(const sigc::slot<void, SPObject *> & slot) {
144 return _layer_changed_signal.connect(slot);
145 }
147 // Whiteboard changes
149 #ifdef WITH_INKBOARD
150 Inkscape::Whiteboard::SessionManager* whiteboard_session_manager() {
151 return _whiteboard_session_manager;
152 }
154 Inkscape::Whiteboard::SessionManager* _whiteboard_session_manager;
155 #endif
157 SPDesktop();
158 void init (SPNamedView* nv, SPCanvas* canvas);
159 ~SPDesktop();
160 void destroy();
162 Inkscape::MessageContext *guidesMessageContext() const {
163 return _guides_message_context;
164 }
166 void setDisplayModeNormal();
167 void setDisplayModeOutline();
168 void displayModeToggle();
169 int displayMode;
170 int getMode() const { return displayMode; }
172 void set_active (bool new_active);
173 SPObject *currentRoot() const;
174 SPObject *currentLayer() const;
175 void setCurrentLayer(SPObject *object);
176 SPObject *layerForObject(SPObject *object);
177 bool isLayer(SPObject *object) const;
178 bool isWithinViewport(SPItem *item) const;
179 bool itemIsHidden(SPItem const *item) const;
181 void activate_guides (bool activate);
182 void change_document (SPDocument *document);
184 void set_event_context (GtkType type, const gchar *config);
185 void push_event_context (GtkType type, const gchar *config, unsigned int key);
187 void set_coordinate_status (NR::Point p);
188 SPItem *item_from_list_at_point_bottom (const GSList *list, NR::Point const p) const;
189 SPItem *item_at_point (NR::Point const p, bool into_groups, SPItem *upto = NULL) const;
190 SPItem *group_at_point (NR::Point const p) const;
191 NR::Point point() const;
193 NR::Rect get_display_area() const;
194 void set_display_area (double x0, double y0, double x1, double y1, double border, bool log = true);
195 void set_display_area(NR::Rect const &a, NR::Coord border, bool log = true);
196 void zoom_absolute (double cx, double cy, double zoom);
197 void zoom_relative (double cx, double cy, double zoom);
198 void zoom_absolute_keep_point (double cx, double cy, double px, double py, double zoom);
199 void zoom_relative_keep_point (double cx, double cy, double zoom);
200 void zoom_relative_keep_point (NR::Point const &c, double const zoom)
201 {
202 using NR::X;
203 using NR::Y;
204 zoom_relative_keep_point (c[X], c[Y], zoom);
205 }
207 void zoom_page();
208 void zoom_page_width();
209 void zoom_drawing();
210 void zoom_selection();
211 void zoom_grab_focus();
212 double current_zoom() const { return _d2w.expansion(); }
213 void prev_zoom();
214 void next_zoom();
216 bool scroll_to_point (NR::Point const *s_dt, gdouble autoscrollspeed = 0);
217 void scroll_world (double dx, double dy, bool is_scrolling = false);
218 void scroll_world (NR::Point const scroll, bool is_scrolling = false)
219 {
220 using NR::X;
221 using NR::Y;
222 scroll_world(scroll[X], scroll[Y], is_scrolling);
223 }
225 void getWindowGeometry (gint &x, gint &y, gint &w, gint &h);
226 void setWindowPosition (NR::Point p);
227 void setWindowSize (gint w, gint h);
228 void setWindowTransient (void* p, int transient_policy=1);
229 void presentWindow();
230 bool warnDialog (gchar *text);
231 void toggleRulers();
232 void toggleScrollbars();
233 void layoutWidget();
234 void destroyWidget();
235 void setToolboxFocusTo (gchar const* label);
236 void setToolboxAdjustmentValue (gchar const* id, double val);
237 bool isToolboxButtonActive (gchar const *id);
238 void updateNow();
239 void updateCanvasNow();
241 void enableInteraction();
242 void disableInteraction();
244 void fullscreen();
246 void registerEditWidget (Inkscape::UI::View::EditWidgetInterface *widget)
247 { _widget = widget; }
249 NR::Matrix w2d() const;
250 NR::Point w2d(NR::Point const &p) const;
251 NR::Point d2w(NR::Point const &p) const;
252 NR::Matrix doc2dt() const;
253 NR::Point doc2dt(NR::Point const &p) const;
254 NR::Point dt2doc(NR::Point const &p) const;
256 virtual void setDocument (SPDocument* doc);
257 virtual bool shutdown();
258 virtual void mouseover() {}
259 virtual void mouseout() {}
261 private:
262 Inkscape::UI::View::EditWidgetInterface *_widget;
263 Inkscape::Application *_inkscape;
264 Inkscape::MessageContext *_guides_message_context;
265 bool _active;
266 NR::Matrix _w2d;
267 NR::Matrix _d2w;
268 NR::Matrix _doc2dt;
270 void push_current_zoom (GList**);
272 sigc::signal<void,SPDesktop*,SPDocument*> _document_replaced_signal;
273 sigc::signal<void> _activate_signal;
274 sigc::signal<void> _deactivate_signal;
275 sigc::signal<void,SPDesktop*,SPEventContext*> _event_context_changed_signal;
276 sigc::signal<void, gpointer> _tool_subselection_changed;
278 sigc::connection _activate_connection;
279 sigc::connection _deactivate_connection;
280 sigc::connection _sel_modified_connection;
281 sigc::connection _sel_changed_connection;
282 sigc::connection _reconstruction_start_connection;
283 sigc::connection _reconstruction_finish_connection;
284 sigc::connection _commit_connection;
285 sigc::connection _modified_connection;
287 virtual void onPositionSet (double, double);
288 virtual void onResized (double, double);
289 virtual void onRedrawRequested();
290 virtual void onStatusMessage (Inkscape::MessageType type, gchar const *message);
291 virtual void onDocumentURISet (gchar const* uri);
292 virtual void onDocumentResized (double, double);
294 static void _onActivate (SPDesktop* dt);
295 static void _onDeactivate (SPDesktop* dt);
296 static void _onSelectionModified (Inkscape::Selection *selection, guint flags, SPDesktop *dt);
297 };
299 #endif
301 /*
302 Local Variables:
303 mode:c++
304 c-file-style:"stroustrup"
305 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
306 indent-tabs-mode:nil
307 fill-column:99
308 End:
309 */
310 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :