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 <2geom/matrix.h>
33 #include <2geom/rect.h>
35 #include "ui/view/view.h"
36 #include "ui/view/edit-widget-interface.h"
38 #include "display/rendermode.h"
39 #include "display/snap-indicator.h"
41 class NRRect;
42 class SPCSSAttr;
43 struct _GtkWidget;
44 typedef struct _GtkWidget GtkWidget;
45 struct SPCanvas;
46 struct SPCanvasItem;
47 struct SPCanvasGroup;
48 struct SPEventContext;
49 struct SPItem;
50 struct SPNamedView;
51 struct SPObject;
52 struct SPStyle;
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 namespace Display {
79 class TemporaryItemList;
80 class TemporaryItem;
81 //class SnapIndicator;
82 }
83 }
85 /**
86 * Editable view.
87 *
88 * @see \ref desktop-handles.h for desktop macros.
89 */
90 struct SPDesktop : public Inkscape::UI::View::View
91 {
92 Inkscape::UI::Dialog::DialogManager *_dlg_mgr;
93 SPNamedView *namedview;
94 SPCanvas *canvas;
95 /// current selection; will never generally be NULL
96 Inkscape::Selection *selection;
97 SPEventContext *event_context;
98 Inkscape::LayerManager *layer_manager;
99 Inkscape::EventLog *event_log;
101 Inkscape::Display::TemporaryItemList *temporary_item_list;
102 Inkscape::Display::SnapIndicator *snapindicator;
104 SPCanvasItem *acetate;
105 SPCanvasGroup *main;
106 SPCanvasGroup *gridgroup;
107 SPCanvasGroup *guides;
108 SPCanvasItem *drawing;
109 SPCanvasGroup *sketch;
110 SPCanvasGroup *controls;
111 SPCanvasGroup *tempgroup; ///< contains temporary canvas items
112 SPCanvasItem *table; ///< outside-of-page background
113 SPCanvasItem *page; ///< page background
114 SPCanvasItem *page_border; ///< page border
115 SPCSSAttr *current; ///< current style
116 bool _focusMode; ///< Whether we're focused working or general working
118 GList *zooms_past;
119 GList *zooms_future;
120 bool _quick_zoom_enabled; ///< Signifies that currently we're in quick zoom mode
121 Geom::Rect _quick_zoom_stored_area; ///< The area of the screen before quick zoom
122 unsigned int dkey;
123 unsigned int number;
124 guint window_state;
125 unsigned int interaction_disabled_counter;
126 bool waiting_cursor;
128 /// \todo fixme: This has to be implemented in different way */
129 guint guides_active : 1;
131 // storage for selected dragger used by GrDrag as it's
132 // created and deleted by tools
133 SPItem *gr_item;
134 guint gr_point_type;
135 guint gr_point_i;
136 bool gr_fill_or_stroke;
139 Inkscape::ObjectHierarchy *_layer_hierarchy;
140 gchar * _reconstruction_old_layer_id;
142 sigc::signal<void, sp_verb_t> _tool_changed;
143 sigc::signal<void, SPObject *> _layer_changed_signal;
144 sigc::signal<bool, const SPCSSAttr *>::accumulated<StopOnTrue> _set_style_signal;
145 sigc::signal<int, SPStyle *, int>::accumulated<StopOnNonZero> _query_style_signal;
146 sigc::connection connectDocumentReplaced (const sigc::slot<void,SPDesktop*,SPDocument*> & slot)
147 {
148 return _document_replaced_signal.connect (slot);
149 }
151 sigc::connection connectEventContextChanged (const sigc::slot<void,SPDesktop*,SPEventContext*> & slot)
152 {
153 return _event_context_changed_signal.connect (slot);
154 }
155 sigc::connection connectSetStyle (const sigc::slot<bool, const SPCSSAttr *> & slot)
156 {
157 return _set_style_signal.connect (slot);
158 }
159 sigc::connection connectQueryStyle (const sigc::slot<int, SPStyle *, int> & slot)
160 {
161 return _query_style_signal.connect (slot);
162 }
163 // subselection is some sort of selection which is specific to the tool, such as a handle in gradient tool, or a text selection
164 sigc::connection connectToolSubselectionChanged(const sigc::slot<void, gpointer> & slot) {
165 return _tool_subselection_changed.connect(slot);
166 }
167 void emitToolSubselectionChanged(gpointer data);
168 sigc::connection connectCurrentLayerChanged(const sigc::slot<void, SPObject *> & slot) {
169 return _layer_changed_signal.connect(slot);
170 }
172 // Whiteboard changes
174 #ifdef WITH_INKBOARD
175 Inkscape::Whiteboard::SessionManager* whiteboard_session_manager() {
176 return _whiteboard_session_manager;
177 }
179 Inkscape::Whiteboard::SessionManager* _whiteboard_session_manager;
180 #endif
182 SPDesktop();
183 void init (SPNamedView* nv, SPCanvas* canvas);
184 virtual ~SPDesktop();
185 void destroy();
187 Inkscape::MessageContext *guidesMessageContext() const {
188 return _guides_message_context;
189 }
191 Inkscape::Display::TemporaryItem * add_temporary_canvasitem (SPCanvasItem *item, guint lifetime, bool move_to_bottom = true);
192 void remove_temporary_canvasitem (Inkscape::Display::TemporaryItem * tempitem);
194 void _setDisplayMode(Inkscape::RenderMode mode);
195 void setDisplayModeNormal() {
196 _setDisplayMode(Inkscape::RENDERMODE_NORMAL);
197 }
198 void setDisplayModeNoFilters() {
199 _setDisplayMode(Inkscape::RENDERMODE_NO_FILTERS);
200 }
201 void setDisplayModeOutline() {
202 _setDisplayMode(Inkscape::RENDERMODE_OUTLINE);
203 }
204 void displayModeToggle();
205 Inkscape::RenderMode _display_mode;
206 Inkscape::RenderMode _saved_display_mode;
207 Inkscape::RenderMode getMode() const { return _display_mode; }
209 Inkscape::UI::Widget::Dock* getDock() { return _widget->getDock(); }
211 void set_active (bool new_active);
212 SPObject *currentRoot() const;
213 SPObject *currentLayer() const;
214 void setCurrentLayer(SPObject *object);
215 void toggleLayerSolo(SPObject *object);
216 SPObject *layerForObject(SPObject *object);
217 bool isLayer(SPObject *object) const;
218 bool isWithinViewport(SPItem *item) const;
219 bool itemIsHidden(SPItem const *item) const;
221 void activate_guides (bool activate);
222 void change_document (SPDocument *document);
224 void set_event_context (GtkType type, const gchar *config);
225 void push_event_context (GtkType type, const gchar *config, unsigned int key);
227 void set_coordinate_status (Geom::Point p);
228 SPItem *item_from_list_at_point_bottom (const GSList *list, Geom::Point const p) const;
229 SPItem *item_at_point (Geom::Point const p, bool into_groups, SPItem *upto = NULL) const;
230 SPItem *group_at_point (Geom::Point const p) const;
231 Geom::Point point() const;
233 Geom::Rect get_display_area() const;
234 void set_display_area (double x0, double y0, double x1, double y1, double border, bool log = true);
235 void set_display_area(Geom::Rect const &a, Geom::Coord border, bool log = true);
236 void zoom_absolute (double cx, double cy, double zoom);
237 void zoom_relative (double cx, double cy, double zoom);
238 void zoom_absolute_keep_point (double cx, double cy, double px, double py, double zoom);
239 void zoom_relative_keep_point (double cx, double cy, double zoom);
240 void zoom_relative_keep_point (Geom::Point const &c, double const zoom)
241 {
242 zoom_relative_keep_point (c[Geom::X], c[Geom::Y], zoom);
243 }
245 void zoom_page();
246 void zoom_page_width();
247 void zoom_drawing();
248 void zoom_selection();
249 void zoom_grab_focus();
250 double current_zoom() const { return _d2w.descrim(); }
251 void prev_zoom();
252 void next_zoom();
253 void zoom_quick(bool enable = true);
254 /** \brief Returns whether the desktop is in quick zoom mode or not */
255 bool quick_zoomed(void) { return _quick_zoom_enabled; }
257 bool scroll_to_point (Geom::Point const &s_dt, gdouble autoscrollspeed = 0);
258 void scroll_world (double dx, double dy, bool is_scrolling = false);
259 void scroll_world (Geom::Point const scroll, bool is_scrolling = false)
260 {
261 scroll_world(scroll[Geom::X], scroll[Geom::Y], is_scrolling);
262 }
263 void scroll_world_in_svg_coords (double dx, double dy, bool is_scrolling = false);
265 void getWindowGeometry (gint &x, gint &y, gint &w, gint &h);
266 void setWindowPosition (Geom::Point p);
267 void setWindowSize (gint w, gint h);
268 void setWindowTransient (void* p, int transient_policy=1);
269 Gtk::Window* getToplevel();
270 void presentWindow();
271 bool warnDialog (gchar *text);
272 void toggleRulers();
273 void toggleScrollbars();
274 void layoutWidget();
275 void destroyWidget();
276 void setToolboxFocusTo (gchar const* label);
277 void setToolboxAdjustmentValue (gchar const* id, double val);
278 void setToolboxSelectOneValue (gchar const* id, gint val);
279 bool isToolboxButtonActive (gchar const *id);
280 void updateNow();
281 void updateCanvasNow();
283 void enableInteraction();
284 void disableInteraction();
286 void setWaitingCursor();
287 void clearWaitingCursor();
289 void toggleColorProfAdjust();
291 void toggleGrids();
292 void toggleSnapGlobal();
293 bool gridsEnabled() { return grids_visible; }
294 void showGrids(bool show, bool dirty_document = true);
296 bool is_iconified();
297 bool is_maximized();
298 bool is_fullscreen();
299 bool is_focusMode();
301 void iconify();
302 void maximize();
303 void fullscreen();
304 void focusMode(bool mode = true);
306 void registerEditWidget (Inkscape::UI::View::EditWidgetInterface *widget)
307 { _widget = widget; }
309 Geom::Matrix w2d() const; //transformation from window to desktop coordinates (used for zooming)
310 Geom::Point w2d(Geom::Point const &p) const;
311 Geom::Point d2w(Geom::Point const &p) const;
312 Geom::Matrix doc2dt() const;
313 Geom::Matrix dt2doc() const;
314 Geom::Point doc2dt(Geom::Point const &p) const;
315 Geom::Point dt2doc(Geom::Point const &p) const;
317 virtual void setDocument (SPDocument* doc);
318 virtual bool shutdown();
319 virtual void mouseover() {}
320 virtual void mouseout() {}
322 virtual bool onDeleteUI (GdkEventAny*);
323 virtual bool onWindowStateEvent (GdkEventWindowState* event);
325 private:
326 Inkscape::UI::View::EditWidgetInterface *_widget;
327 Inkscape::Application *_inkscape;
328 Inkscape::MessageContext *_guides_message_context;
329 bool _active;
330 Geom::Matrix _w2d;
331 Geom::Matrix _d2w;
332 Geom::Matrix _doc2dt;
334 bool grids_visible; /* don't set this variable directly, use the method below */
335 void set_grids_visible(bool visible);
337 void push_current_zoom (GList**);
339 sigc::signal<void,SPDesktop*,SPDocument*> _document_replaced_signal;
340 sigc::signal<void> _activate_signal;
341 sigc::signal<void> _deactivate_signal;
342 sigc::signal<void,SPDesktop*,SPEventContext*> _event_context_changed_signal;
343 sigc::signal<void, gpointer> _tool_subselection_changed;
345 sigc::connection _activate_connection;
346 sigc::connection _deactivate_connection;
347 sigc::connection _sel_modified_connection;
348 sigc::connection _sel_changed_connection;
349 sigc::connection _reconstruction_start_connection;
350 sigc::connection _reconstruction_finish_connection;
351 sigc::connection _commit_connection;
352 sigc::connection _modified_connection;
354 virtual void onPositionSet (double, double);
355 virtual void onResized (double, double);
356 virtual void onRedrawRequested();
357 virtual void onStatusMessage (Inkscape::MessageType type, gchar const *message);
358 virtual void onDocumentURISet (gchar const* uri);
359 virtual void onDocumentResized (double, double);
361 static void _onActivate (SPDesktop* dt);
362 static void _onDeactivate (SPDesktop* dt);
363 static void _onSelectionModified (Inkscape::Selection *selection, guint flags, SPDesktop *dt);
364 };
366 #endif // SEEN_SP_DESKTOP_H
368 /*
369 Local Variables:
370 mode:c++
371 c-file-style:"stroustrup"
372 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
373 indent-tabs-mode:nil
374 fill-column:99
375 End:
376 */
377 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :