1 #ifndef SEEN_SP_DESKTOP_H
2 #define SEEN_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 SPEventContext;
46 struct SPItem;
47 struct SPNamedView;
48 struct SPObject;
49 struct SPStyle;
51 namespace Gtk
52 {
53 class Window;
54 }
56 typedef int sp_verb_t;
60 namespace Inkscape {
61 class Application;
62 class MessageContext;
63 class Selection;
64 class ObjectHierarchy;
65 class LayerManager;
66 class EventLog;
67 namespace UI {
68 namespace Dialog {
69 class DialogManager;
70 }
71 }
72 namespace Whiteboard {
73 class SessionManager;
74 }
75 }
77 /**
78 * Editable view.
79 *
80 * @see \ref desktop-handles.h for desktop macros.
81 */
82 struct SPDesktop : public Inkscape::UI::View::View
83 {
84 Inkscape::UI::Dialog::DialogManager *_dlg_mgr;
85 SPNamedView *namedview;
86 SPCanvas *canvas;
87 /// current selection; will never generally be NULL
88 Inkscape::Selection *selection;
89 SPEventContext *event_context;
90 Inkscape::LayerManager *layer_manager;
91 Inkscape::EventLog *event_log;
93 SPCanvasItem *acetate;
94 SPCanvasGroup *main;
95 SPCanvasGroup *gridgroup;
96 SPCanvasGroup *guides;
97 SPCanvasItem *drawing;
98 SPCanvasGroup *sketch;
99 SPCanvasGroup *controls;
100 SPCanvasItem *table; ///< outside-of-page background
101 SPCanvasItem *page; ///< page background
102 SPCanvasItem *page_border; ///< page border
103 SPCSSAttr *current; ///< current style
105 GList *zooms_past;
106 GList *zooms_future;
107 unsigned int dkey;
108 unsigned int number;
109 guint window_state;
110 unsigned int interaction_disabled_counter;
111 bool waiting_cursor;
113 /// \todo fixme: This has to be implemented in different way */
114 guint guides_active : 1;
116 // storage for selected dragger used by GrDrag as it's
117 // created and deleted by tools
118 SPItem *gr_item;
119 guint gr_point_type;
120 guint gr_point_i;
121 bool gr_fill_or_stroke;
124 Inkscape::ObjectHierarchy *_layer_hierarchy;
125 gchar * _reconstruction_old_layer_id;
127 sigc::signal<void, sp_verb_t> _tool_changed;
128 sigc::signal<void, SPObject *> _layer_changed_signal;
129 sigc::signal<bool, const SPCSSAttr *>::accumulated<StopOnTrue> _set_style_signal;
130 sigc::signal<int, SPStyle *, int>::accumulated<StopOnNonZero> _query_style_signal;
131 sigc::connection connectDocumentReplaced (const sigc::slot<void,SPDesktop*,SPDocument*> & slot)
132 {
133 return _document_replaced_signal.connect (slot);
134 }
136 sigc::connection connectEventContextChanged (const sigc::slot<void,SPDesktop*,SPEventContext*> & slot)
137 {
138 return _event_context_changed_signal.connect (slot);
139 }
140 sigc::connection connectSetStyle (const sigc::slot<bool, const SPCSSAttr *> & slot)
141 {
142 return _set_style_signal.connect (slot);
143 }
144 sigc::connection connectQueryStyle (const sigc::slot<int, SPStyle *, int> & slot)
145 {
146 return _query_style_signal.connect (slot);
147 }
148 // subselection is some sort of selection which is specific to the tool, such as a handle in gradient tool, or a text selection
149 sigc::connection connectToolSubselectionChanged(const sigc::slot<void, gpointer> & slot) {
150 return _tool_subselection_changed.connect(slot);
151 }
152 void emitToolSubselectionChanged(gpointer data);
153 sigc::connection connectCurrentLayerChanged(const sigc::slot<void, SPObject *> & slot) {
154 return _layer_changed_signal.connect(slot);
155 }
157 // Whiteboard changes
159 #ifdef WITH_INKBOARD
160 Inkscape::Whiteboard::SessionManager* whiteboard_session_manager() {
161 return _whiteboard_session_manager;
162 }
164 Inkscape::Whiteboard::SessionManager* _whiteboard_session_manager;
165 #endif
167 SPDesktop();
168 void init (SPNamedView* nv, SPCanvas* canvas);
169 virtual ~SPDesktop();
170 void destroy();
172 Inkscape::MessageContext *guidesMessageContext() const {
173 return _guides_message_context;
174 }
176 void setDisplayModeNormal();
177 void setDisplayModeOutline();
178 void displayModeToggle();
179 int displayMode;
180 int getMode() const { return displayMode; }
182 Inkscape::UI::Widget::Dock* getDock() { return _widget->getDock(); }
184 void set_active (bool new_active);
185 SPObject *currentRoot() const;
186 SPObject *currentLayer() const;
187 void setCurrentLayer(SPObject *object);
188 SPObject *layerForObject(SPObject *object);
189 bool isLayer(SPObject *object) const;
190 bool isWithinViewport(SPItem *item) const;
191 bool itemIsHidden(SPItem const *item) const;
193 void activate_guides (bool activate);
194 void change_document (SPDocument *document);
196 void set_event_context (GtkType type, const gchar *config);
197 void push_event_context (GtkType type, const gchar *config, unsigned int key);
199 void set_coordinate_status (NR::Point p);
200 SPItem *item_from_list_at_point_bottom (const GSList *list, NR::Point const p) const;
201 SPItem *item_at_point (NR::Point const p, bool into_groups, SPItem *upto = NULL) const;
202 SPItem *group_at_point (NR::Point const p) const;
203 NR::Point point() const;
205 NR::Rect get_display_area() const;
206 void set_display_area (double x0, double y0, double x1, double y1, double border, bool log = true);
207 void set_display_area(NR::Rect const &a, NR::Coord border, bool log = true);
208 void zoom_absolute (double cx, double cy, double zoom);
209 void zoom_relative (double cx, double cy, double zoom);
210 void zoom_absolute_keep_point (double cx, double cy, double px, double py, double zoom);
211 void zoom_relative_keep_point (double cx, double cy, double zoom);
212 void zoom_relative_keep_point (NR::Point const &c, double const zoom)
213 {
214 using NR::X;
215 using NR::Y;
216 zoom_relative_keep_point (c[X], c[Y], zoom);
217 }
219 void zoom_page();
220 void zoom_page_width();
221 void zoom_drawing();
222 void zoom_selection();
223 void zoom_grab_focus();
224 double current_zoom() const { return _d2w.expansion(); }
225 void prev_zoom();
226 void next_zoom();
228 bool scroll_to_point (NR::Point const *s_dt, gdouble autoscrollspeed = 0);
229 void scroll_world (double dx, double dy, bool is_scrolling = false);
230 void scroll_world (NR::Point const scroll, bool is_scrolling = false)
231 {
232 using NR::X;
233 using NR::Y;
234 scroll_world(scroll[X], scroll[Y], is_scrolling);
235 }
237 void getWindowGeometry (gint &x, gint &y, gint &w, gint &h);
238 void setWindowPosition (NR::Point p);
239 void setWindowSize (gint w, gint h);
240 void setWindowTransient (void* p, int transient_policy=1);
241 Gtk::Window* getToplevel();
242 void presentWindow();
243 bool warnDialog (gchar *text);
244 void toggleRulers();
245 void toggleScrollbars();
246 void layoutWidget();
247 void destroyWidget();
248 void setToolboxFocusTo (gchar const* label);
249 void setToolboxAdjustmentValue (gchar const* id, double val);
250 void setToolboxSelectOneValue (gchar const* id, gint val);
251 bool isToolboxButtonActive (gchar const *id);
252 void updateNow();
253 void updateCanvasNow();
255 void enableInteraction();
256 void disableInteraction();
258 void setWaitingCursor();
259 void clearWaitingCursor();
261 void toggleColorProfAdjust();
263 void toggleGrids();
264 void toggleSnapping();
265 bool gridsEnabled() { return grids_visible; }
266 void showGrids(bool show, bool dirty_document = true);
268 bool is_iconified();
269 bool is_maximized();
270 bool is_fullscreen();
272 void iconify();
273 void maximize();
274 void fullscreen();
276 void registerEditWidget (Inkscape::UI::View::EditWidgetInterface *widget)
277 { _widget = widget; }
279 NR::Matrix w2d() const; //transformation from window to desktop coordinates (used for zooming)
280 NR::Point w2d(NR::Point const &p) const;
281 NR::Point d2w(NR::Point const &p) const;
282 NR::Matrix doc2dt() const;
283 NR::Point doc2dt(NR::Point const &p) const;
284 NR::Point dt2doc(NR::Point const &p) const;
286 virtual void setDocument (SPDocument* doc);
287 virtual bool shutdown();
288 virtual void mouseover() {}
289 virtual void mouseout() {}
291 virtual bool onDeleteUI (GdkEventAny*);
292 virtual bool onWindowStateEvent (GdkEventWindowState* event);
294 private:
295 Inkscape::UI::View::EditWidgetInterface *_widget;
296 Inkscape::Application *_inkscape;
297 Inkscape::MessageContext *_guides_message_context;
298 bool _active;
299 NR::Matrix _w2d;
300 NR::Matrix _d2w;
301 NR::Matrix _doc2dt;
303 bool grids_visible; /* don't set this variable directly, use the method below */
304 void set_grids_visible(bool visible);
306 void push_current_zoom (GList**);
308 sigc::signal<void,SPDesktop*,SPDocument*> _document_replaced_signal;
309 sigc::signal<void> _activate_signal;
310 sigc::signal<void> _deactivate_signal;
311 sigc::signal<void,SPDesktop*,SPEventContext*> _event_context_changed_signal;
312 sigc::signal<void, gpointer> _tool_subselection_changed;
314 sigc::connection _activate_connection;
315 sigc::connection _deactivate_connection;
316 sigc::connection _sel_modified_connection;
317 sigc::connection _sel_changed_connection;
318 sigc::connection _reconstruction_start_connection;
319 sigc::connection _reconstruction_finish_connection;
320 sigc::connection _commit_connection;
321 sigc::connection _modified_connection;
323 virtual void onPositionSet (double, double);
324 virtual void onResized (double, double);
325 virtual void onRedrawRequested();
326 virtual void onStatusMessage (Inkscape::MessageType type, gchar const *message);
327 virtual void onDocumentURISet (gchar const* uri);
328 virtual void onDocumentResized (double, double);
330 static void _onActivate (SPDesktop* dt);
331 static void _onDeactivate (SPDesktop* dt);
332 static void _onSelectionModified (Inkscape::Selection *selection, guint flags, SPDesktop *dt);
333 };
335 #endif // SEEN_SP_DESKTOP_H
337 /*
338 Local Variables:
339 mode:c++
340 c-file-style:"stroustrup"
341 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
342 indent-tabs-mode:nil
343 fill-column:99
344 End:
345 */
346 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :