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 namespace UI {
53 namespace Dialog {
54 class DialogManager;
55 }
56 }
57 namespace Whiteboard {
58 class SessionManager;
59 }
60 }
62 /**
63 * Editable view.
64 *
65 * @see \ref desktop-handles.h for desktop macros.
66 */
67 struct SPDesktop : public Inkscape::UI::View::View
68 {
69 Inkscape::UI::Dialog::DialogManager *_dlg_mgr;
70 SPNamedView *namedview;
71 SPCanvas *canvas;
72 /// current selection; will never generally be NULL
73 Inkscape::Selection *selection;
74 SPEventContext *event_context;
76 SPCanvasItem *acetate;
77 SPCanvasGroup *main;
78 SPCanvasGroup *grid;
79 SPCanvasGroup *guides;
80 SPCanvasItem *drawing;
81 SPCanvasGroup *sketch;
82 SPCanvasGroup *controls;
83 SPCanvasItem *table; ///< outside-of-page background
84 SPCanvasItem *page; ///< page background
85 SPCanvasItem *page_border; ///< page border
86 SPCSSAttr *current; ///< current style
88 GList *zooms_past;
89 GList *zooms_future;
90 unsigned int dkey;
91 unsigned int number;
92 bool is_fullscreen;
94 /// \todo fixme: This has to be implemented in different way */
95 guint guides_active : 1;
97 // storage for selected dragger used by GrDrag as it's
98 // created and deleted by tools
99 SPItem *gr_item;
100 guint gr_point_num;
101 bool gr_fill_or_stroke;
103 Inkscape::ObjectHierarchy *_layer_hierarchy;
104 gchar * _reconstruction_old_layer_id;
106 sigc::signal<void, sp_verb_t> _tool_changed;
107 sigc::signal<void, SPObject *> _layer_changed_signal;
108 sigc::signal<bool, const SPCSSAttr *>::accumulated<StopOnTrue> _set_style_signal;
109 sigc::signal<int, SPStyle *, int>::accumulated<StopOnNonZero> _query_style_signal;
110 sigc::connection connectDocumentReplaced (const sigc::slot<void,SPDesktop*,SPDocument*> & slot)
111 {
112 return _document_replaced_signal.connect (slot);
113 }
115 sigc::connection connectEventContextChanged (const sigc::slot<void,SPDesktop*,SPEventContext*> & slot)
116 {
117 return _event_context_changed_signal.connect (slot);
118 }
119 sigc::connection connectSetStyle (const sigc::slot<bool, const SPCSSAttr *> & slot)
120 {
121 return _set_style_signal.connect (slot);
122 }
123 sigc::connection connectQueryStyle (const sigc::slot<int, SPStyle *, int> & slot)
124 {
125 return _query_style_signal.connect (slot);
126 }
127 // subselection is some sort of selection which is specific to the tool, such as a handle in gradient tool, or a text selection
128 sigc::connection connectToolSubselectionChanged(const sigc::slot<void, gpointer> & slot) {
129 return _tool_subselection_changed.connect(slot);
130 }
131 void emitToolSubselectionChanged(gpointer data);
132 sigc::connection connectCurrentLayerChanged(const sigc::slot<void, SPObject *> & slot) {
133 return _layer_changed_signal.connect(slot);
134 }
136 // Whiteboard changes
138 #ifdef WITH_INKBOARD
139 Inkscape::Whiteboard::SessionManager* whiteboard_session_manager() {
140 return _whiteboard_session_manager;
141 }
143 Inkscape::Whiteboard::SessionManager* _whiteboard_session_manager;
144 #endif
146 SPDesktop();
147 void init (SPNamedView* nv, SPCanvas* canvas);
148 ~SPDesktop();
149 void destroy();
151 Inkscape::MessageContext *guidesMessageContext() const {
152 return _guides_message_context;
153 }
155 void setDisplayModeNormal();
156 void setDisplayModeOutline();
158 void set_active (bool new_active);
159 SPObject *currentRoot() const;
160 SPObject *currentLayer() const;
161 void setCurrentLayer(SPObject *object);
162 SPObject *layerForObject(SPObject *object);
163 bool isLayer(SPObject *object) const;
164 bool isWithinViewport(SPItem *item) const;
165 bool itemIsHidden(SPItem const *item) const;
167 void activate_guides (bool activate);
168 void change_document (SPDocument *document);
170 void set_event_context (GtkType type, const gchar *config);
171 void push_event_context (GtkType type, const gchar *config, unsigned int key);
173 void set_coordinate_status (NR::Point p);
174 SPItem *item_from_list_at_point_bottom (const GSList *list, NR::Point const p) const;
175 SPItem *item_at_point (NR::Point const p, bool into_groups, SPItem *upto = NULL) const;
176 SPItem *group_at_point (NR::Point const p) const;
177 NR::Point point() const;
179 NR::Rect get_display_area() const;
180 void set_display_area (double x0, double y0, double x1, double y1, double border, bool log = true);
181 void set_display_area(NR::Rect const &a, NR::Coord border, bool log = true);
182 void zoom_absolute (double cx, double cy, double zoom);
183 void zoom_relative (double cx, double cy, double zoom);
184 void zoom_absolute_keep_point (double cx, double cy, double px, double py, double zoom);
185 void zoom_relative_keep_point (double cx, double cy, double zoom);
186 void zoom_relative_keep_point (NR::Point const &c, double const zoom)
187 {
188 using NR::X;
189 using NR::Y;
190 zoom_relative_keep_point (c[X], c[Y], zoom);
191 }
193 void zoom_page();
194 void zoom_page_width();
195 void zoom_drawing();
196 void zoom_selection();
197 void zoom_grab_focus();
198 double current_zoom() const { return _d2w.expansion(); }
199 void prev_zoom();
200 void next_zoom();
202 bool scroll_to_point (NR::Point const *s_dt, gdouble autoscrollspeed = 0);
203 void scroll_world (double dx, double dy);
204 void scroll_world (NR::Point const scroll)
205 {
206 using NR::X;
207 using NR::Y;
208 scroll_world(scroll[X], scroll[Y]);
209 }
211 void getWindowGeometry (gint &x, gint &y, gint &w, gint &h);
212 void setWindowPosition (NR::Point p);
213 void setWindowSize (gint w, gint h);
214 void setWindowTransient (void* p, int transient_policy=1);
215 void presentWindow();
216 bool warnDialog (gchar *text);
217 void toggleRulers();
218 void toggleScrollbars();
219 void layoutWidget();
220 void destroyWidget();
221 void setToolboxFocusTo (gchar const* label);
222 void setToolboxAdjustmentValue (gchar const* id, double val);
223 bool isToolboxButtonActive (gchar const *id);
225 void fullscreen();
227 void registerEditWidget (Inkscape::UI::View::EditWidgetInterface *widget)
228 { _widget = widget; }
230 NR::Matrix w2d() const;
231 NR::Point w2d(NR::Point const &p) const;
232 NR::Point d2w(NR::Point const &p) const;
233 NR::Matrix doc2dt() const;
234 NR::Point doc2dt(NR::Point const &p) const;
235 NR::Point dt2doc(NR::Point const &p) const;
237 virtual void setDocument (SPDocument* doc);
238 virtual bool shutdown();
239 virtual void mouseover() {}
240 virtual void mouseout() {}
242 private:
243 Inkscape::UI::View::EditWidgetInterface *_widget;
244 Inkscape::Application *_inkscape;
245 Inkscape::MessageContext *_guides_message_context;
246 bool _active;
247 NR::Matrix _w2d;
248 NR::Matrix _d2w;
249 NR::Matrix _doc2dt;
251 void push_current_zoom (GList**);
253 sigc::signal<void,SPDesktop*,SPDocument*> _document_replaced_signal;
254 sigc::signal<void> _activate_signal;
255 sigc::signal<void> _deactivate_signal;
256 sigc::signal<void,SPDesktop*,SPEventContext*> _event_context_changed_signal;
257 sigc::signal<void, gpointer> _tool_subselection_changed;
259 sigc::connection _activate_connection;
260 sigc::connection _deactivate_connection;
261 sigc::connection _sel_modified_connection;
262 sigc::connection _sel_changed_connection;
263 sigc::connection _reconstruction_start_connection;
264 sigc::connection _reconstruction_finish_connection;
266 virtual void onPositionSet (double, double);
267 virtual void onResized (double, double);
268 virtual void onRedrawRequested();
269 virtual void onStatusMessage (Inkscape::MessageType type, gchar const *message);
270 virtual void onDocumentURISet (gchar const* uri);
271 virtual void onDocumentResized (double, double);
273 static void _onActivate (SPDesktop* dt);
274 static void _onDeactivate (SPDesktop* dt);
275 static void _onSelectionModified (Inkscape::Selection *selection, guint flags, SPDesktop *dt);
276 };
278 #endif
280 /*
281 Local Variables:
282 mode:c++
283 c-file-style:"stroustrup"
284 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
285 indent-tabs-mode:nil
286 fill-column:99
287 End:
288 */
289 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :