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 * Jon A. Cruz <jon@joncruz.org>get
15 * Abhishek Sharma
16 *
17 * Copyright (C) 2007 Johan Engelen
18 * Copyright (C) 2006 John Bintz
19 * Copyright (C) 1999-2005 authors
20 * Copyright (C) 2000-2001 Ximian, Inc.
21 *
22 * Released under GNU GPL, read the file 'COPYING' for more information
23 *
24 */
26 #ifdef HAVE_CONFIG_H
27 #include "config.h"
28 #endif
30 #include <gdk/gdkevents.h>
31 #include <gtk/gtktypeutils.h>
32 #include <sigc++/sigc++.h>
34 #include <2geom/matrix.h>
35 #include <2geom/rect.h>
37 #include "ui/view/view.h"
38 #include "ui/view/edit-widget-interface.h"
40 #include "display/rendermode.h"
41 #include "display/snap-indicator.h"
43 class SPCSSAttr;
44 struct SPCanvas;
45 struct SPCanvasItem;
46 struct SPCanvasGroup;
47 struct SPEventContext;
48 struct SPItem;
49 struct SPNamedView;
50 struct SPObject;
51 struct SPStyle;
53 namespace Gtk
54 {
55 class Window;
56 }
58 typedef int sp_verb_t;
62 namespace Inkscape {
63 class Application;
64 class MessageContext;
65 class Selection;
66 class ObjectHierarchy;
67 class LayerManager;
68 class EventLog;
69 namespace UI {
70 namespace Dialog {
71 class DialogManager;
72 }
73 }
74 namespace Whiteboard {
75 class SessionManager;
76 }
77 namespace Display {
78 class TemporaryItemList;
79 class TemporaryItem;
80 //class SnapIndicator;
81 }
82 }
84 /**
85 * Editable view.
86 *
87 * @see \ref desktop-handles.h for desktop macros.
88 */
89 class SPDesktop : public Inkscape::UI::View::View
90 {
91 public:
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;
147 /// Emitted when the zoom factor changes (not emitted when scrolling).
148 /// The parameter is the new zoom factor
149 sigc::signal<void, double> signal_zoom_changed;
151 sigc::connection connectDocumentReplaced (const sigc::slot<void,SPDesktop*,SPDocument*> & slot)
152 {
153 return _document_replaced_signal.connect (slot);
154 }
156 sigc::connection connectEventContextChanged (const sigc::slot<void,SPDesktop*,SPEventContext*> & slot)
157 {
158 return _event_context_changed_signal.connect (slot);
159 }
160 sigc::connection connectSetStyle (const sigc::slot<bool, const SPCSSAttr *> & slot)
161 {
162 return _set_style_signal.connect (slot);
163 }
164 sigc::connection connectQueryStyle (const sigc::slot<int, SPStyle *, int> & slot)
165 {
166 return _query_style_signal.connect (slot);
167 }
168 // subselection is some sort of selection which is specific to the tool, such as a handle in gradient tool, or a text selection
169 sigc::connection connectToolSubselectionChanged(const sigc::slot<void, gpointer> & slot) {
170 return _tool_subselection_changed.connect(slot);
171 }
172 void emitToolSubselectionChanged(gpointer data);
173 sigc::connection connectCurrentLayerChanged(const sigc::slot<void, SPObject *> & slot) {
174 return _layer_changed_signal.connect(slot);
175 }
177 // Whiteboard changes
179 #ifdef WITH_INKBOARD
180 Inkscape::Whiteboard::SessionManager* whiteboard_session_manager() {
181 return _whiteboard_session_manager;
182 }
184 Inkscape::Whiteboard::SessionManager* _whiteboard_session_manager;
185 #endif
187 SPDesktop();
188 void init (SPNamedView* nv, SPCanvas* canvas, Inkscape::UI::View::EditWidgetInterface *widget);
189 virtual ~SPDesktop();
190 void destroy();
192 Inkscape::MessageContext *guidesMessageContext() const {
193 return _guides_message_context;
194 }
196 Inkscape::Display::TemporaryItem * add_temporary_canvasitem (SPCanvasItem *item, guint lifetime, bool move_to_bottom = true);
197 void remove_temporary_canvasitem (Inkscape::Display::TemporaryItem * tempitem);
199 void _setDisplayMode(Inkscape::RenderMode mode);
200 void setDisplayModeNormal() {
201 _setDisplayMode(Inkscape::RENDERMODE_NORMAL);
202 }
203 void setDisplayModeNoFilters() {
204 _setDisplayMode(Inkscape::RENDERMODE_NO_FILTERS);
205 }
206 void setDisplayModeOutline() {
207 _setDisplayMode(Inkscape::RENDERMODE_OUTLINE);
208 }
209 // void setDisplayModePrintColorsPreview() {
210 // _setDisplayMode(Inkscape::RENDERMODE_PRINT_COLORS_PREVIEW);
211 // }
212 void displayModeToggle();
213 Inkscape::RenderMode _display_mode;
214 Inkscape::RenderMode getMode() const { return _display_mode; }
216 Inkscape::UI::Widget::Dock* getDock() { return _widget->getDock(); }
218 void set_active (bool new_active);
219 SPObject *currentRoot() const;
220 SPObject *currentLayer() const;
221 void setCurrentLayer(SPObject *object);
222 void toggleLayerSolo(SPObject *object);
223 SPObject *layerForObject(SPObject *object);
224 bool isLayer(SPObject *object) const;
225 bool isWithinViewport(SPItem *item) const;
226 bool itemIsHidden(SPItem const *item) const;
228 void activate_guides (bool activate);
229 void change_document (SPDocument *document);
231 void set_event_context (GtkType type, const gchar *config);
232 void push_event_context (GtkType type, const gchar *config, unsigned int key);
234 void set_coordinate_status (Geom::Point p);
235 SPItem *getItemFromListAtPointBottom(const GSList *list, Geom::Point const p) const;
236 SPItem *getItemAtPoint(Geom::Point const p, bool into_groups, SPItem *upto = NULL) const;
237 SPItem *getGroupAtPoint(Geom::Point const p) const;
238 Geom::Point point() const;
240 Geom::Rect get_display_area() const;
241 void set_display_area (double x0, double y0, double x1, double y1, double border, bool log = true);
242 void set_display_area(Geom::Rect const &a, Geom::Coord border, bool log = true);
243 void zoom_absolute (double cx, double cy, double zoom);
244 void zoom_relative (double cx, double cy, double zoom);
245 void zoom_absolute_keep_point (double cx, double cy, double px, double py, double zoom);
246 void zoom_relative_keep_point (double cx, double cy, double zoom);
247 void zoom_relative_keep_point (Geom::Point const &c, double const zoom)
248 {
249 zoom_relative_keep_point (c[Geom::X], c[Geom::Y], zoom);
250 }
252 void zoom_page();
253 void zoom_page_width();
254 void zoom_drawing();
255 void zoom_selection();
256 void zoom_grab_focus();
257 double current_zoom() const { return _d2w.descrim(); }
258 void prev_zoom();
259 void next_zoom();
260 void zoom_quick(bool enable = true);
262 /** \brief Returns whether the desktop is in quick zoom mode or not */
263 bool quick_zoomed(void) { return _quick_zoom_enabled; }
265 bool scroll_to_point (Geom::Point const &s_dt, gdouble autoscrollspeed = 0);
266 void scroll_world (double dx, double dy, bool is_scrolling = false);
267 void scroll_world (Geom::Point const scroll, bool is_scrolling = false)
268 {
269 scroll_world(scroll[Geom::X], scroll[Geom::Y], is_scrolling);
270 }
271 void scroll_world_in_svg_coords (double dx, double dy, bool is_scrolling = false);
273 void getWindowGeometry (gint &x, gint &y, gint &w, gint &h);
274 void setWindowPosition (Geom::Point p);
275 void setWindowSize (gint w, gint h);
276 void setWindowTransient (void* p, int transient_policy=1);
277 Gtk::Window* getToplevel();
278 void presentWindow();
279 bool warnDialog (gchar *text);
280 void toggleRulers();
281 void toggleScrollbars();
282 void layoutWidget();
283 void destroyWidget();
284 void setToolboxFocusTo (gchar const* label);
285 void setToolboxAdjustmentValue (gchar const* id, double val);
286 void setToolboxSelectOneValue (gchar const* id, gint val);
287 bool isToolboxButtonActive (gchar const *id);
288 void updateNow();
289 void updateCanvasNow();
291 void enableInteraction();
292 void disableInteraction();
294 void setWaitingCursor();
295 void clearWaitingCursor();
296 bool isWaitingCursor() const { return waiting_cursor; };
298 void toggleColorProfAdjust();
300 void toggleGrids();
301 void toggleSnapGlobal();
302 bool gridsEnabled() const { return grids_visible; };
303 void showGrids(bool show, bool dirty_document = true);
305 bool is_iconified();
306 bool is_maximized();
307 bool is_fullscreen();
308 bool is_focusMode();
310 void iconify();
311 void maximize();
312 void fullscreen();
313 void focusMode(bool mode = true);
315 Geom::Matrix w2d() const; //transformation from window to desktop coordinates (used for zooming)
316 Geom::Point w2d(Geom::Point const &p) const;
317 Geom::Point d2w(Geom::Point const &p) const;
318 Geom::Matrix doc2dt() const;
319 Geom::Matrix dt2doc() const;
320 Geom::Point doc2dt(Geom::Point const &p) const;
321 Geom::Point dt2doc(Geom::Point const &p) const;
323 virtual void setDocument (SPDocument* doc);
324 virtual bool shutdown();
325 virtual void mouseover() {}
326 virtual void mouseout() {}
328 virtual bool onDeleteUI (GdkEventAny*);
329 virtual bool onWindowStateEvent (GdkEventWindowState* event);
331 void applyCurrentOrToolStyle(SPObject *obj, Glib::ustring const &tool_path, bool with_text);
333 private:
334 Inkscape::UI::View::EditWidgetInterface *_widget;
335 Inkscape::Application *_inkscape;
336 Inkscape::MessageContext *_guides_message_context;
337 bool _active;
338 Geom::Matrix _w2d;
339 Geom::Matrix _d2w;
340 Geom::Matrix _doc2dt;
342 bool grids_visible; /* don't set this variable directly, use the method below */
343 void set_grids_visible(bool visible);
345 void push_current_zoom (GList**);
347 sigc::signal<void,SPDesktop*,SPDocument*> _document_replaced_signal;
348 sigc::signal<void> _activate_signal;
349 sigc::signal<void> _deactivate_signal;
350 sigc::signal<void,SPDesktop*,SPEventContext*> _event_context_changed_signal;
351 sigc::signal<void, gpointer> _tool_subselection_changed;
353 sigc::connection _activate_connection;
354 sigc::connection _deactivate_connection;
355 sigc::connection _sel_modified_connection;
356 sigc::connection _sel_changed_connection;
357 sigc::connection _reconstruction_start_connection;
358 sigc::connection _reconstruction_finish_connection;
359 sigc::connection _commit_connection;
360 sigc::connection _modified_connection;
362 virtual void onPositionSet (double, double);
363 virtual void onResized (double, double);
364 virtual void onRedrawRequested();
365 virtual void onStatusMessage (Inkscape::MessageType type, gchar const *message);
366 virtual void onDocumentURISet (gchar const* uri);
367 virtual void onDocumentResized (double, double);
369 static void _onActivate (SPDesktop* dt);
370 static void _onDeactivate (SPDesktop* dt);
371 static void _onSelectionModified (Inkscape::Selection *selection, guint flags, SPDesktop *dt);
372 };
374 #endif // SEEN_SP_DESKTOP_H
376 /*
377 Local Variables:
378 mode:c++
379 c-file-style:"stroustrup"
380 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
381 indent-tabs-mode:nil
382 fill-column:99
383 End:
384 */
385 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :