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 *
13 * Copyright (C) 1999-2005 authors
14 * Copyright (C) 2000-2001 Ximian, Inc.
15 *
16 * Released under GNU GPL, read the file 'COPYING' for more information
17 *
18 */
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
24 #include <gtk/gtktypeutils.h>
25 #include <sigc++/sigc++.h>
26 #include "libnr/nr-matrix.h"
27 #include "libnr/nr-matrix-fns.h"
28 #include "libnr/nr-rect.h"
29 #include "ui/view/view.h"
30 #include "ui/view/edit-widget-interface.h"
32 class NRRect;
33 class SPCSSAttr;
34 struct SPCanvas;
35 struct SPCanvasItem;
36 struct SPCanvasGroup;
37 struct SPDesktopWidget;
38 struct SPEventContext;
39 struct SPItem;
40 struct SPNamedView;
41 struct SPObject;
42 struct SPStyle;
43 struct SPViewWidget;
45 typedef int sp_verb_t;
47 namespace Inkscape {
48 class Application;
49 class MessageContext;
50 class Selection;
51 class ObjectHierarchy;
52 class LayerManager;
53 namespace UI {
54 namespace Dialog {
55 class DialogManager;
56 }
57 }
58 namespace Whiteboard {
59 class SessionManager;
60 }
61 }
63 /**
64 * Editable view.
65 *
66 * @see \ref desktop-handles.h for desktop macros.
67 */
68 struct SPDesktop : public Inkscape::UI::View::View
69 {
70 Inkscape::UI::Dialog::DialogManager *_dlg_mgr;
71 SPNamedView *namedview;
72 SPCanvas *canvas;
73 /// current selection; will never generally be NULL
74 Inkscape::Selection *selection;
75 SPEventContext *event_context;
76 Inkscape::LayerManager *layer_manager;
78 SPCanvasItem *acetate;
79 SPCanvasGroup *main;
80 SPCanvasGroup *grid;
81 SPCanvasGroup *guides;
82 SPCanvasItem *drawing;
83 SPCanvasGroup *sketch;
84 SPCanvasGroup *controls;
85 SPCanvasItem *table; ///< outside-of-page background
86 SPCanvasItem *page; ///< page background
87 SPCanvasItem *page_border; ///< page border
88 SPCSSAttr *current; ///< current style
90 GList *zooms_past;
91 GList *zooms_future;
92 unsigned int dkey;
93 unsigned int number;
94 bool is_fullscreen;
96 /// \todo fixme: This has to be implemented in different way */
97 guint guides_active : 1;
99 // storage for selected dragger used by GrDrag as it's
100 // created and deleted by tools
101 SPItem *gr_item;
102 guint gr_point_num;
103 bool gr_fill_or_stroke;
105 Inkscape::ObjectHierarchy *_layer_hierarchy;
106 gchar * _reconstruction_old_layer_id;
108 sigc::signal<void, sp_verb_t> _tool_changed;
109 sigc::signal<void, SPObject *> _layer_changed_signal;
110 sigc::signal<bool, const SPCSSAttr *>::accumulated<StopOnTrue> _set_style_signal;
111 sigc::signal<int, SPStyle *, int>::accumulated<StopOnNonZero> _query_style_signal;
112 sigc::connection connectDocumentReplaced (const sigc::slot<void,SPDesktop*,SPDocument*> & slot)
113 {
114 return _document_replaced_signal.connect (slot);
115 }
117 sigc::connection connectEventContextChanged (const sigc::slot<void,SPDesktop*,SPEventContext*> & slot)
118 {
119 return _event_context_changed_signal.connect (slot);
120 }
121 sigc::connection connectSetStyle (const sigc::slot<bool, const SPCSSAttr *> & slot)
122 {
123 return _set_style_signal.connect (slot);
124 }
125 sigc::connection connectQueryStyle (const sigc::slot<int, SPStyle *, int> & slot)
126 {
127 return _query_style_signal.connect (slot);
128 }
129 // subselection is some sort of selection which is specific to the tool, such as a handle in gradient tool, or a text selection
130 sigc::connection connectToolSubselectionChanged(const sigc::slot<void, gpointer> & slot) {
131 return _tool_subselection_changed.connect(slot);
132 }
133 void emitToolSubselectionChanged(gpointer data);
134 sigc::connection connectCurrentLayerChanged(const sigc::slot<void, SPObject *> & slot) {
135 return _layer_changed_signal.connect(slot);
136 }
138 // Whiteboard changes
140 #ifdef WITH_INKBOARD
141 Inkscape::Whiteboard::SessionManager* whiteboard_session_manager() {
142 return _whiteboard_session_manager;
143 }
145 Inkscape::Whiteboard::SessionManager* _whiteboard_session_manager;
146 #endif
148 SPDesktop();
149 void init (SPNamedView* nv, SPCanvas* canvas);
150 ~SPDesktop();
151 void destroy();
153 Inkscape::MessageContext *guidesMessageContext() const {
154 return _guides_message_context;
155 }
157 void setDisplayModeNormal();
158 void setDisplayModeOutline();
160 void set_active (bool new_active);
161 SPObject *currentRoot() const;
162 SPObject *currentLayer() const;
163 void setCurrentLayer(SPObject *object);
164 SPObject *layerForObject(SPObject *object);
165 bool isLayer(SPObject *object) const;
166 bool isWithinViewport(SPItem *item) const;
167 bool itemIsHidden(SPItem const *item) const;
169 void activate_guides (bool activate);
170 void change_document (SPDocument *document);
172 void set_event_context (GtkType type, const gchar *config);
173 void push_event_context (GtkType type, const gchar *config, unsigned int key);
175 void set_coordinate_status (NR::Point p);
176 SPItem *item_from_list_at_point_bottom (const GSList *list, NR::Point const p) const;
177 SPItem *item_at_point (NR::Point const p, bool into_groups, SPItem *upto = NULL) const;
178 SPItem *group_at_point (NR::Point const p) const;
179 NR::Point point() const;
181 NR::Rect get_display_area() const;
182 void set_display_area (double x0, double y0, double x1, double y1, double border, bool log = true);
183 void set_display_area(NR::Rect const &a, NR::Coord border, bool log = true);
184 void zoom_absolute (double cx, double cy, double zoom);
185 void zoom_relative (double cx, double cy, double zoom);
186 void zoom_absolute_keep_point (double cx, double cy, double px, double py, double zoom);
187 void zoom_relative_keep_point (double cx, double cy, double zoom);
188 void zoom_relative_keep_point (NR::Point const &c, double const zoom)
189 {
190 using NR::X;
191 using NR::Y;
192 zoom_relative_keep_point (c[X], c[Y], zoom);
193 }
195 void zoom_page();
196 void zoom_page_width();
197 void zoom_drawing();
198 void zoom_selection();
199 void zoom_grab_focus();
200 double current_zoom() const { return _d2w.expansion(); }
201 void prev_zoom();
202 void next_zoom();
204 bool scroll_to_point (NR::Point const *s_dt, gdouble autoscrollspeed = 0);
205 void scroll_world (double dx, double dy);
206 void scroll_world (NR::Point const scroll)
207 {
208 using NR::X;
209 using NR::Y;
210 scroll_world(scroll[X], scroll[Y]);
211 }
213 void getWindowGeometry (gint &x, gint &y, gint &w, gint &h);
214 void setWindowPosition (NR::Point p);
215 void setWindowSize (gint w, gint h);
216 void setWindowTransient (void* p, int transient_policy=1);
217 void presentWindow();
218 bool warnDialog (gchar *text);
219 void toggleRulers();
220 void toggleScrollbars();
221 void layoutWidget();
222 void destroyWidget();
223 void setToolboxFocusTo (gchar const* label);
224 void setToolboxAdjustmentValue (gchar const* id, double val);
225 bool isToolboxButtonActive (gchar const *id);
227 void fullscreen();
229 void registerEditWidget (Inkscape::UI::View::EditWidgetInterface *widget)
230 { _widget = widget; }
232 NR::Matrix w2d() const;
233 NR::Point w2d(NR::Point const &p) const;
234 NR::Point d2w(NR::Point const &p) const;
235 NR::Matrix doc2dt() const;
236 NR::Point doc2dt(NR::Point const &p) const;
237 NR::Point dt2doc(NR::Point const &p) const;
239 virtual void setDocument (SPDocument* doc);
240 virtual bool shutdown();
241 virtual void mouseover() {}
242 virtual void mouseout() {}
244 private:
245 Inkscape::UI::View::EditWidgetInterface *_widget;
246 Inkscape::Application *_inkscape;
247 Inkscape::MessageContext *_guides_message_context;
248 bool _active;
249 NR::Matrix _w2d;
250 NR::Matrix _d2w;
251 NR::Matrix _doc2dt;
253 void push_current_zoom (GList**);
255 sigc::signal<void,SPDesktop*,SPDocument*> _document_replaced_signal;
256 sigc::signal<void> _activate_signal;
257 sigc::signal<void> _deactivate_signal;
258 sigc::signal<void,SPDesktop*,SPEventContext*> _event_context_changed_signal;
259 sigc::signal<void, gpointer> _tool_subselection_changed;
261 sigc::connection _activate_connection;
262 sigc::connection _deactivate_connection;
263 sigc::connection _sel_modified_connection;
264 sigc::connection _sel_changed_connection;
265 sigc::connection _reconstruction_start_connection;
266 sigc::connection _reconstruction_finish_connection;
268 virtual void onPositionSet (double, double);
269 virtual void onResized (double, double);
270 virtual void onRedrawRequested();
271 virtual void onStatusMessage (Inkscape::MessageType type, gchar const *message);
272 virtual void onDocumentURISet (gchar const* uri);
273 virtual void onDocumentResized (double, double);
275 static void _onActivate (SPDesktop* dt);
276 static void _onDeactivate (SPDesktop* dt);
277 static void _onSelectionModified (Inkscape::Selection *selection, guint flags, SPDesktop *dt);
278 };
280 #endif
282 /*
283 Local Variables:
284 mode:c++
285 c-file-style:"stroustrup"
286 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
287 indent-tabs-mode:nil
288 fill-column:99
289 End:
290 */
291 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :