fa6602651bc1b8c8dd2b8fc4ade2a99146e7fe22
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"
37 #include "perspective3d.h"
39 class NRRect;
40 class SPCSSAttr;
41 struct _GtkWidget;
42 typedef struct _GtkWidget GtkWidget;
43 struct SPCanvas;
44 struct SPCanvasItem;
45 struct SPCanvasGroup;
46 struct SPDesktopWidget;
47 struct SPEventContext;
48 struct SPItem;
49 struct SPNamedView;
50 struct SPObject;
51 struct SPStyle;
52 struct SPViewWidget;
54 namespace Gtk
55 {
56 class Window;
57 }
59 typedef int sp_verb_t;
63 namespace Inkscape {
64 class Application;
65 class MessageContext;
66 class Selection;
67 class ObjectHierarchy;
68 class LayerManager;
69 class EventLog;
70 namespace UI {
71 namespace Dialog {
72 class DialogManager;
73 }
74 }
75 namespace Whiteboard {
76 class SessionManager;
77 }
78 }
80 /**
81 * Editable view.
82 *
83 * @see \ref desktop-handles.h for desktop macros.
84 */
85 struct SPDesktop : public Inkscape::UI::View::View
86 {
87 Inkscape::UI::Dialog::DialogManager *_dlg_mgr;
88 SPNamedView *namedview;
89 SPCanvas *canvas;
90 /// current selection; will never generally be NULL
91 Inkscape::Selection *selection;
92 SPEventContext *event_context;
93 Inkscape::LayerManager *layer_manager;
94 Inkscape::EventLog *event_log;
96 SPCanvasItem *acetate;
97 SPCanvasGroup *main;
98 SPCanvasGroup *gridgroup;
99 SPCanvasGroup *guides;
100 SPCanvasItem *drawing;
101 SPCanvasGroup *sketch;
102 SPCanvasGroup *controls;
103 SPCanvasItem *table; ///< outside-of-page background
104 SPCanvasItem *page; ///< page background
105 SPCanvasItem *page_border; ///< page border
106 SPCSSAttr *current; ///< current style
108 GList *zooms_past;
109 GList *zooms_future;
110 unsigned int dkey;
111 unsigned int number;
112 guint window_state;
113 unsigned int interaction_disabled_counter;
114 bool waiting_cursor;
116 // All 3D perspectives that are present in the current desktop
117 GSList *perspectives;
119 /// \todo fixme: This has to be implemented in different way */
120 guint guides_active : 1;
122 // storage for selected dragger used by GrDrag as it's
123 // created and deleted by tools
124 SPItem *gr_item;
125 guint gr_point_type;
126 guint gr_point_i;
127 bool gr_fill_or_stroke;
130 Inkscape::ObjectHierarchy *_layer_hierarchy;
131 gchar * _reconstruction_old_layer_id;
133 sigc::signal<void, sp_verb_t> _tool_changed;
134 sigc::signal<void, SPObject *> _layer_changed_signal;
135 sigc::signal<bool, const SPCSSAttr *>::accumulated<StopOnTrue> _set_style_signal;
136 sigc::signal<int, SPStyle *, int>::accumulated<StopOnNonZero> _query_style_signal;
137 sigc::connection connectDocumentReplaced (const sigc::slot<void,SPDesktop*,SPDocument*> & slot)
138 {
139 return _document_replaced_signal.connect (slot);
140 }
142 sigc::connection connectEventContextChanged (const sigc::slot<void,SPDesktop*,SPEventContext*> & slot)
143 {
144 return _event_context_changed_signal.connect (slot);
145 }
146 sigc::connection connectSetStyle (const sigc::slot<bool, const SPCSSAttr *> & slot)
147 {
148 return _set_style_signal.connect (slot);
149 }
150 sigc::connection connectQueryStyle (const sigc::slot<int, SPStyle *, int> & slot)
151 {
152 return _query_style_signal.connect (slot);
153 }
154 // subselection is some sort of selection which is specific to the tool, such as a handle in gradient tool, or a text selection
155 sigc::connection connectToolSubselectionChanged(const sigc::slot<void, gpointer> & slot) {
156 return _tool_subselection_changed.connect(slot);
157 }
158 void emitToolSubselectionChanged(gpointer data);
159 sigc::connection connectCurrentLayerChanged(const sigc::slot<void, SPObject *> & slot) {
160 return _layer_changed_signal.connect(slot);
161 }
163 // Whiteboard changes
165 #ifdef WITH_INKBOARD
166 Inkscape::Whiteboard::SessionManager* whiteboard_session_manager() {
167 return _whiteboard_session_manager;
168 }
170 Inkscape::Whiteboard::SessionManager* _whiteboard_session_manager;
171 #endif
173 SPDesktop();
174 void init (SPNamedView* nv, SPCanvas* canvas);
175 ~SPDesktop();
176 void destroy();
178 Inkscape::MessageContext *guidesMessageContext() const {
179 return _guides_message_context;
180 }
182 void setDisplayModeNormal();
183 void setDisplayModeOutline();
184 void displayModeToggle();
185 int displayMode;
186 int getMode() const { return displayMode; }
188 void set_active (bool new_active);
189 SPObject *currentRoot() const;
190 SPObject *currentLayer() const;
191 void setCurrentLayer(SPObject *object);
192 SPObject *layerForObject(SPObject *object);
193 bool isLayer(SPObject *object) const;
194 bool isWithinViewport(SPItem *item) const;
195 bool itemIsHidden(SPItem const *item) const;
197 void activate_guides (bool activate);
198 void change_document (SPDocument *document);
200 void set_event_context (GtkType type, const gchar *config);
201 void push_event_context (GtkType type, const gchar *config, unsigned int key);
203 void set_coordinate_status (NR::Point p);
204 SPItem *item_from_list_at_point_bottom (const GSList *list, NR::Point const p) const;
205 SPItem *item_at_point (NR::Point const p, bool into_groups, SPItem *upto = NULL) const;
206 SPItem *group_at_point (NR::Point const p) const;
207 NR::Point point() const;
209 // Methods to handle 3D perspective
210 void add_perspective (Box3D::Perspective3D * const persp);
211 void remove_perspective (Box3D::Perspective3D * const persp);
213 NR::Rect get_display_area() const;
214 void set_display_area (double x0, double y0, double x1, double y1, double border, bool log = true);
215 void set_display_area(NR::Rect const &a, NR::Coord border, bool log = true);
216 void zoom_absolute (double cx, double cy, double zoom);
217 void zoom_relative (double cx, double cy, double zoom);
218 void zoom_absolute_keep_point (double cx, double cy, double px, double py, double zoom);
219 void zoom_relative_keep_point (double cx, double cy, double zoom);
220 void zoom_relative_keep_point (NR::Point const &c, double const zoom)
221 {
222 using NR::X;
223 using NR::Y;
224 zoom_relative_keep_point (c[X], c[Y], zoom);
225 }
227 void zoom_page();
228 void zoom_page_width();
229 void zoom_drawing();
230 void zoom_selection();
231 void zoom_grab_focus();
232 double current_zoom() const { return _d2w.expansion(); }
233 void prev_zoom();
234 void next_zoom();
236 bool scroll_to_point (NR::Point const *s_dt, gdouble autoscrollspeed = 0);
237 void scroll_world (double dx, double dy, bool is_scrolling = false);
238 void scroll_world (NR::Point const scroll, bool is_scrolling = false)
239 {
240 using NR::X;
241 using NR::Y;
242 scroll_world(scroll[X], scroll[Y], is_scrolling);
243 }
245 void getWindowGeometry (gint &x, gint &y, gint &w, gint &h);
246 void setWindowPosition (NR::Point p);
247 void setWindowSize (gint w, gint h);
248 void setWindowTransient (void* p, int transient_policy=1);
249 Gtk::Window* getToplevel();
250 void presentWindow();
251 bool warnDialog (gchar *text);
252 void toggleRulers();
253 void toggleScrollbars();
254 void layoutWidget();
255 void destroyWidget();
256 void setToolboxFocusTo (gchar const* label);
257 void setToolboxAdjustmentValue (gchar const* id, double val);
258 bool isToolboxButtonActive (gchar const *id);
259 void updateNow();
260 void updateCanvasNow();
262 void enableInteraction();
263 void disableInteraction();
265 void setWaitingCursor();
266 void clearWaitingCursor();
268 void toggleGrid();
269 bool gridsEnabled() { return grids_visible; }
271 bool is_iconified();
272 bool is_maximized();
273 bool is_fullscreen();
275 void iconify();
276 void maximize();
277 void fullscreen();
279 void registerEditWidget (Inkscape::UI::View::EditWidgetInterface *widget)
280 { _widget = widget; }
282 NR::Matrix w2d() const; //transformation from window to desktop coordinates (used for zooming)
283 NR::Point w2d(NR::Point const &p) const;
284 NR::Point d2w(NR::Point const &p) const;
285 NR::Matrix doc2dt() const;
286 NR::Point doc2dt(NR::Point const &p) const;
287 NR::Point dt2doc(NR::Point const &p) const;
289 virtual void setDocument (SPDocument* doc);
290 virtual bool shutdown();
291 virtual void mouseover() {}
292 virtual void mouseout() {}
294 virtual bool onDeleteUI (GdkEventAny*);
295 virtual bool onWindowStateEvent (GdkEventWindowState* event);
297 private:
298 Inkscape::UI::View::EditWidgetInterface *_widget;
299 Inkscape::Application *_inkscape;
300 Inkscape::MessageContext *_guides_message_context;
301 bool _active;
302 NR::Matrix _w2d;
303 NR::Matrix _d2w;
304 NR::Matrix _doc2dt;
306 bool grids_visible;
308 void push_current_zoom (GList**);
310 sigc::signal<void,SPDesktop*,SPDocument*> _document_replaced_signal;
311 sigc::signal<void> _activate_signal;
312 sigc::signal<void> _deactivate_signal;
313 sigc::signal<void,SPDesktop*,SPEventContext*> _event_context_changed_signal;
314 sigc::signal<void, gpointer> _tool_subselection_changed;
316 sigc::connection _activate_connection;
317 sigc::connection _deactivate_connection;
318 sigc::connection _sel_modified_connection;
319 sigc::connection _sel_changed_connection;
320 sigc::connection _reconstruction_start_connection;
321 sigc::connection _reconstruction_finish_connection;
322 sigc::connection _commit_connection;
323 sigc::connection _modified_connection;
325 virtual void onPositionSet (double, double);
326 virtual void onResized (double, double);
327 virtual void onRedrawRequested();
328 virtual void onStatusMessage (Inkscape::MessageType type, gchar const *message);
329 virtual void onDocumentURISet (gchar const* uri);
330 virtual void onDocumentResized (double, double);
332 static void _onActivate (SPDesktop* dt);
333 static void _onDeactivate (SPDesktop* dt);
334 static void _onSelectionModified (Inkscape::Selection *selection, guint flags, SPDesktop *dt);
335 };
337 #endif
339 /*
340 Local Variables:
341 mode:c++
342 c-file-style:"stroustrup"
343 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
344 indent-tabs-mode:nil
345 fill-column:99
346 End:
347 */
348 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :