Code

7c738c5033e28333f95d713adcc6508af8e7091f
[inkscape.git] / src / ui / dialog / document-properties.cpp
1 /** @file
2  * @brief Document properties dialog, Gtkmm-style
3  */
4 /* Authors:
5  *   bulia byak <buliabyak@users.sf.net>
6  *   Bryce W. Harrington <bryce@bryceharrington.org>
7  *   Lauris Kaplinski <lauris@kaplinski.com>
8  *   Jon Phillips <jon@rejon.org>
9  *   Ralf Stephan <ralf@ark.in-berlin.de> (Gtkmm)
10  *   Diederik van Lierop <mail@diedenrezi.nl>
11  *
12  * Copyright (C) 2006-2008 Johan Engelen  <johan@shouraizou.nl>
13  * Copyright (C) 2000 - 2008 Authors
14  *
15  * Released under GNU GPL.  Read the file 'COPYING' for more information
16  */
18 #ifdef HAVE_CONFIG_H
19 # include <config.h>
20 #endif
24 #include <gtkmm.h>
25 #include "ui/widget/color-picker.h"
26 #include "ui/widget/scalar-unit.h"
28 #include "xml/node-event-vector.h"
29 #include "helper/units.h"
30 #include "preferences.h"
32 #include "inkscape.h"
33 #include "verbs.h"
34 #include "document.h"
35 #include "desktop-handles.h"
36 #include "desktop.h"
37 #include "sp-namedview.h"
38 #include "widgets/icon.h"
39 #include "document-properties.h"
41 #include "display/canvas-grid.h"
43 using std::pair;
45 namespace Inkscape {
46 namespace UI {
47 namespace Dialog {
49 #define SPACE_SIZE_X 15
50 #define SPACE_SIZE_Y 10
52 #define INKSCAPE_ICON_GRID_XY     "grid_xy"
53 #define INKSCAPE_ICON_GRID_AXONOM "grid_axonom"
56 //===================================================
58 //---------------------------------------------------
60 static void on_child_added(Inkscape::XML::Node *repr, Inkscape::XML::Node *child, Inkscape::XML::Node *ref, void * data);
61 static void on_child_removed(Inkscape::XML::Node *repr, Inkscape::XML::Node *child, Inkscape::XML::Node *ref, void * data);
62 static void on_repr_attr_changed (Inkscape::XML::Node *, gchar const *, gchar const *, gchar const *, bool, gpointer);
64 static Inkscape::XML::NodeEventVector const _repr_events = {
65     on_child_added, /* child_added */
66     on_child_removed, /* child_removed */
67     on_repr_attr_changed,
68     NULL, /* content_changed */
69     NULL  /* order_changed */
70 };
73 DocumentProperties &
74 DocumentProperties::getInstance()
75 {
76     DocumentProperties &instance = *new DocumentProperties();
77     instance.init();
79     return instance;
80 }
82 DocumentProperties::DocumentProperties()
83     : UI::Widget::Panel ("", "/dialogs/documentoptions", SP_VERB_DIALOG_NAMEDVIEW),
84       _page_page(1, 1, true, true), _page_guides(1, 1),
85       _page_snap(1, 1), _page_snap_dtls(1, 1),
86     //---------------------------------------------------------------
87       _rcb_canb(_("Show page _border"), _("If set, rectangular page border is shown"), "showborder", _wr, false),
88       _rcb_bord(_("Border on _top of drawing"), _("If set, border is always on top of the drawing"), "borderlayer", _wr, false),
89       _rcb_shad(_("_Show border shadow"), _("If set, page border shows a shadow on its right and lower side"), "inkscape:showpageshadow", _wr, false),
90       _rcp_bg(_("Back_ground:"), _("Background color"), _("Color and transparency of the page background (also used for bitmap export)"), "pagecolor", "inkscape:pageopacity", _wr),
91       _rcp_bord(_("Border _color:"), _("Page border color"), _("Color of the page border"), "bordercolor", "borderopacity", _wr),
92       _rum_deflt(_("Default _units:"), "inkscape:document-units", _wr),
93       _page_sizer(_wr),
94     //---------------------------------------------------------------
95       //General snap options
96       _rcb_sgui(_("Show _guides"), _("Show or hide guides"), "showguides", _wr),
97       _rcbsng(_("_Snap guides while dragging"), _("While dragging a guide, snap to object nodes or bounding box corners ('Snap to nodes' or 'snap to bounding box corners' must be enabled in the 'Snap' tab; only a small part of the guide near the cursor will snap)"),
98                   "inkscape:snap-guide", _wr),
99       _rcp_gui(_("Guide co_lor:"), _("Guideline color"), _("Color of guidelines"), "guidecolor", "guideopacity", _wr),
100       _rcp_hgui(_("_Highlight color:"), _("Highlighted guideline color"), _("Color of a guideline when it is under mouse"), "guidehicolor", "guidehiopacity", _wr),
101     //---------------------------------------------------------------
102       _rcbs(_("_Enable snapping"), _("Toggle snapping on or off"), "inkscape:snap-global", _wr),
103       _rcbsi(_("_Enable snap indicator"), _("After snapping, a symbol is drawn at the point that has snapped"), "inkscape:snap-indicator", _wr),
104       _rcbsnbb(_("_Bounding box corners"), _("Only available in the selector tool: snap bounding box corners to guides, to grids, and to other bounding boxes (but not to nodes or paths)"),
105                   "inkscape:snap-bbox", _wr),
106       _rcbsnn(_("_Nodes"), _("Snap nodes (e.g. path nodes, special points in shapes, gradient handles, text base points, transformation origins, etc.) to guides, to grids, to paths and to other nodes"),
107                 "inkscape:snap-nodes", _wr),
108       //Options for snapping to objects
109       _rcbsnop(_("Snap to path_s"), _("Snap nodes to object paths"), "inkscape:object-paths", _wr),
110       _rcbsnon(_("Snap to n_odes"), _("Snap nodes and guides to object nodes"), "inkscape:object-nodes", _wr),
111       _rcbsnbbp(_("Snap to bounding bo_x edges"), _("Snap bounding box corners and guides to bounding box edges"), "inkscape:bbox-paths", _wr),
112       _rcbsnbbn(_("Snap to bounding box co_rners"), _("Snap bounding box corners to other bounding box corners"), "inkscape:bbox-nodes", _wr),
113       _rcbsnpb(_("Snap to page border"), _("Snap bounding box corners and nodes to the page border"), "inkscape:snap-page", _wr),
114     //---------------------------------------------------------------
115        //Applies to both nodes and guides, but not to bboxes, that's why its located here
116       _rcbic( _("Rotation _center"), _("Consider the rotation center of an object when snapping"), "inkscape:snap-center", _wr),
117       _rcbsm( _("_Smooth nodes"), _("Snap to smooth nodes too, instead of only snapping to cusp nodes"), "inkscape:snap-smooth-nodes", _wr),
118       _rcbsigg(_("_Grid with guides"), _("Snap to grid-guide intersections"), "inkscape:snap-intersection-grid-guide", _wr),
119       _rcbsils(_("_Paths"), _("Snap to intersections of paths ('snap to paths' must be enabled, see the previous tab)"),
120                 "inkscape:snap-intersection-paths", _wr),
121     //---------------------------------------------------------------
122       _grids_label_crea("", Gtk::ALIGN_LEFT),
123       //TRANSLATORS: In Grid|_New translate only the word _New. It ref to grid
124       _grids_button_new(Q_("Grid|_New"), _("Create new grid.")),
125       _grids_button_remove(_("_Remove"), _("Remove selected grid.")),
126       _grids_label_def("", Gtk::ALIGN_LEFT)
127     //---------------------------------------------------------------
129     _tt.enable();
130     _getContents()->set_spacing (4);
131     _getContents()->pack_start(_notebook, true, true);
133     _notebook.append_page(_page_page,      _("Page"));
134     _notebook.append_page(_page_guides,    _("Guides"));
135     _notebook.append_page(_grids_vbox,     _("Grids"));
136     _notebook.append_page(_page_snap,      _("Snap"));
137     _notebook.append_page(_page_snap_dtls, _("Snap points"));
139     build_page();
140     build_guides();
141     build_gridspage();
142     build_snap();
143     build_snap_dtls();
145     _grids_button_new.signal_clicked().connect(sigc::mem_fun(*this, &DocumentProperties::onNewGrid));
146     _grids_button_remove.signal_clicked().connect(sigc::mem_fun(*this, &DocumentProperties::onRemoveGrid));
148     signalDocumentReplaced().connect(sigc::mem_fun(*this, &DocumentProperties::_handleDocumentReplaced));
149     signalActivateDesktop().connect(sigc::mem_fun(*this, &DocumentProperties::_handleActivateDesktop));
150     signalDeactiveDesktop().connect(sigc::mem_fun(*this, &DocumentProperties::_handleDeactivateDesktop));
153 void
154 DocumentProperties::init()
156     update();
158     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(getDesktop()));
159     repr->addListener (&_repr_events, this);
160     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(getDesktop())->root);
161     root->addListener (&_repr_events, this);
163     show_all_children();
164     _grids_button_remove.hide();
167 DocumentProperties::~DocumentProperties()
169     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(getDesktop()));
170     repr->removeListenerByData (this);
171     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(getDesktop())->root);
172     root->removeListenerByData (this);
175 //========================================================================
177 /**
178  * Helper function that attaches widgets in a 3xn table. The widgets come in an
179  * array that has two entries per table row. The two entries code for four
180  * possible cases: (0,0) means insert space in first column; (0, non-0) means
181  * widget in columns 2-3; (non-0, 0) means label in columns 1-3; and
182  * (non-0, non-0) means two widgets in columns 2 and 3.
183 **/
184 inline void
185 attach_all(Gtk::Table &table, Gtk::Widget *const arr[], unsigned const n, int start = 0)
187     for (unsigned i = 0, r = start; i < n; i += 2)
188     {
189         if (arr[i] && arr[i+1])
190         {
191             table.attach(*arr[i],   1, 2, r, r+1,
192                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
193             table.attach(*arr[i+1], 2, 3, r, r+1,
194                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
195         }
196         else
197         {
198             if (arr[i+1]) {
199                 Gtk::AttachOptions yoptions = (Gtk::AttachOptions)0;
200                 if (dynamic_cast<Inkscape::UI::Widget::PageSizer*>(arr[i+1])) {
201                     // only the PageSizer in Document Properties|Page should be stretched vertically
202                     yoptions = Gtk::FILL|Gtk::EXPAND;
203                 }
204                 table.attach(*arr[i+1], 1, 3, r, r+1,
205                       Gtk::FILL|Gtk::EXPAND, yoptions, 0,0);
206             }
207             else if (arr[i])
208             {
209                 Gtk::Label& label = reinterpret_cast<Gtk::Label&>(*arr[i]);
210                 label.set_alignment (0.0);
211                 table.attach (label, 0, 3, r, r+1,
212                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
213             }
214             else
215             {
216                 Gtk::HBox *space = manage (new Gtk::HBox);
217                 space->set_size_request (SPACE_SIZE_X, SPACE_SIZE_Y);
218                 table.attach (*space, 0, 1, r, r+1,
219                       (Gtk::AttachOptions)0, (Gtk::AttachOptions)0,0,0);
220             }
221         }
222         ++r;
223     }
226 void
227 DocumentProperties::build_page()
229     _page_page.show();
231     Gtk::Label* label_gen = manage (new Gtk::Label);
232     label_gen->set_markup (_("<b>General</b>"));
233     Gtk::Label* label_bor = manage (new Gtk::Label);
234     label_bor->set_markup (_("<b>Border</b>"));
235     Gtk::Label *label_for = manage (new Gtk::Label);
236     label_for->set_markup (_("<b>Format</b>"));
237     _page_sizer.init();
239     Gtk::Widget *const widget_array[] =
240     {
241         label_gen,         0,
242         0,                 &_rum_deflt,
243         _rcp_bg._label,    &_rcp_bg,
244         0,                 0,
245         label_for,         0,
246         0,                 &_page_sizer,
247         0,                 0,
248         label_bor,         0,
249         0,                 &_rcb_canb,
250         0,                 &_rcb_bord,
251         0,                 &_rcb_shad,
252         _rcp_bord._label,  &_rcp_bord,
253     };
255     attach_all(_page_page.table(), widget_array, G_N_ELEMENTS(widget_array));
258 void
259 DocumentProperties::build_guides()
261     _page_guides.show();
263     Gtk::Label *label_gui = manage (new Gtk::Label);
264     label_gui->set_markup (_("<b>Guides</b>"));
266     Gtk::Widget *const widget_array[] =
267     {
268         label_gui,        0,
269         0,                &_rcb_sgui,
270         _rcp_gui._label,  &_rcp_gui,
271         _rcp_hgui._label, &_rcp_hgui,
272         0,                &_rcbsng,
273     };
275     attach_all(_page_guides.table(), widget_array, G_N_ELEMENTS(widget_array));
278 void
279 DocumentProperties::build_snap()
281     _page_snap.show();
283     _rsu_sno.init (_("Snap _distance"), _("Snap only when _closer than:"), _("Always snap"),
284                   _("Snapping distance, in screen pixels, for snapping to objects"), _("Always snap to objects, regardless of their distance"),
285                   _("If set, objects only snap to another object when it's within the range specified below"),
286                   "objecttolerance", _wr);
288     //Options for snapping to grids
289     _rsu_sn.init (_("Snap d_istance"), _("Snap only when c_loser than:"), _("Always snap"),
290                   _("Snapping distance, in screen pixels, for snapping to grid"), _("Always snap to grids, regardless of the distance"),
291                   _("If set, objects only snap to a grid line when it's within the range specified below"),
292                   "gridtolerance", _wr);
294     //Options for snapping to guides
295     _rsu_gusn.init (_("Snap dist_ance"), _("Snap only when close_r than:"), _("Always snap"),
296                 _("Snapping distance, in screen pixels, for snapping to guides"), _("Always snap to guides, regardless of the distance"),
297                 _("If set, objects only snap to a guide when it's within the range specified below"),
298                 "guidetolerance", _wr);
300     //Other options to locate here: e.g. visual snapping indicators on/off
302     std::list<Gtk::Widget*> slaves;
303     slaves.push_back(&_rcbsnop);
304     slaves.push_back(&_rcbsnon);
305     _rcbsnn.setSlaveWidgets(slaves);
307     slaves.clear();
308     slaves.push_back(&_rcbsnbbp);
309     slaves.push_back(&_rcbsnbbn);
310     _rcbsnbb.setSlaveWidgets(slaves);
312     slaves.clear();
313     slaves.push_back(&_rcbsnn);
314     slaves.push_back(&_rcbsnbb);
315     slaves.push_back(&_rcbsi);
317     _rcbs.setSlaveWidgets(slaves);
319     Gtk::Label *label_g = manage (new Gtk::Label);
320     label_g->set_markup (_("<b>Snapping</b>"));
321     Gtk::Label *label_w = manage (new Gtk::Label);
322     label_w->set_markup (_("<b>What snaps</b>"));
323     Gtk::Label *label_o = manage (new Gtk::Label);
324     label_o->set_markup (_("<b>Snap to objects</b>"));
325     Gtk::Label *label_gr = manage (new Gtk::Label);
326     label_gr->set_markup (_("<b>Snap to grids</b>"));
327     Gtk::Label *label_gu = manage (new Gtk::Label);
328     label_gu->set_markup (_("<b>Snap to guides</b>"));
330     Gtk::Widget *const array[] =
331     {
332         label_g,            0,
333         0,                  &_rcbs,
334         0,                  &_rcbsi,
335         0,                  0,
336         label_w,            0,
337         0,                  &_rcbsnn,
338         0,                  &_rcbsnbb,
339         0,                  0,
340         label_o,            0,
341         0,                  &_rcbsnop,
342         0,                  &_rcbsnon,
343         0,                  &_rcbsnbbp,
344         0,                  &_rcbsnbbn,
345         0,                  &_rcbsnpb,
346         0,                  _rsu_sno._vbox,
347         0,                  0,
348         label_gr,           0,
349         0,                  _rsu_sn._vbox,
350         0,                  0,
351         label_gu,           0,
352         0,                  _rsu_gusn._vbox
353     };
355     attach_all(_page_snap.table(), array, G_N_ELEMENTS(array));
356  }
358 void
359 DocumentProperties::build_snap_dtls()
361     _page_snap_dtls.show();
363     //Other options to locate here: e.g. visual snapping indicators on/off
365     Gtk::Label *label_i= manage (new Gtk::Label);
366     label_i->set_markup (_("<b>Snapping to intersections of</b>"));
367     Gtk::Label *label_m = manage (new Gtk::Label);
368     label_m->set_markup (_("<b>Special points to consider</b>"));
370     Gtk::Widget *const array[] =
371     {
372         label_i,            0,
373         0,                  &_rcbsigg,
374         0,                  &_rcbsils,
375         0,                  0,
376         label_m,            0,
377         0,                  &_rcbic,
378         0,                                      &_rcbsm
379     };
381     attach_all(_page_snap_dtls.table(), array, G_N_ELEMENTS(array));
384 /**
385 * Called for _updating_ the dialog (e.g. when a new grid was manually added in XML)
386 */
387 void
388 DocumentProperties::update_gridspage()
390     SPDesktop *dt = getDesktop();
391     SPNamedView *nv = sp_desktop_namedview(dt);
393     //remove all tabs
394     while (_grids_notebook.get_n_pages() != 0) {
395         _grids_notebook.remove_page(-1); // this also deletes the page.
396     }
398     //add tabs
399     bool grids_present = false;
400     for (GSList const * l = nv->grids; l != NULL; l = l->next) {
401         Inkscape::CanvasGrid * grid = (Inkscape::CanvasGrid*) l->data;
402         if (!grid->repr->attribute("id")) continue; // update_gridspage is called again when "id" is added
403         Glib::ustring name(grid->repr->attribute("id"));
404         const char *icon = NULL;
405         switch (grid->getGridType()) {
406             case GRID_RECTANGULAR:
407                 icon = INKSCAPE_ICON_GRID_XY;
408                 break;
409             case GRID_AXONOMETRIC:
410                 icon = INKSCAPE_ICON_GRID_AXONOM;
411                 break;
412             default:
413                 break;
414         }
415         _grids_notebook.append_page(*grid->newWidget(), _createPageTabLabel(name, icon));
416         grids_present = true;
417     }
418     _grids_notebook.show_all();
420     if (grids_present)
421         _grids_button_remove.set_sensitive(true);
422     else
423         _grids_button_remove.set_sensitive(false);
426 /**
427  * Build grid page of dialog.
428  */
429 void
430 DocumentProperties::build_gridspage()
432     /// \todo FIXME: gray out snapping when grid is off.
433     /// Dissenting view: you want snapping without grid.
435     SPDesktop *dt = getDesktop();
436     SPNamedView *nv = sp_desktop_namedview(dt);
437     (void)nv;
439     _grids_label_crea.set_markup(_("<b>Creation</b>"));
440     _grids_label_def.set_markup(_("<b>Defined grids</b>"));
441     _grids_hbox_crea.pack_start(_grids_combo_gridtype, true, true);
442     _grids_hbox_crea.pack_start(_grids_button_new, true, true);
444     for (gint t = 0; t <= GRID_MAXTYPENR; t++) {
445         _grids_combo_gridtype.append_text( CanvasGrid::getName( (GridType) t ) );
446     }
447     _grids_combo_gridtype.set_active_text( CanvasGrid::getName(GRID_RECTANGULAR) );
449     _grids_space.set_size_request (SPACE_SIZE_X, SPACE_SIZE_Y);
451     _grids_vbox.set_spacing(4);
452     _grids_vbox.pack_start(_grids_label_crea, false, false);
453     _grids_vbox.pack_start(_grids_hbox_crea, false, false);
454     _grids_vbox.pack_start(_grids_space, false, false);
455     _grids_vbox.pack_start(_grids_label_def, false, false);
456     _grids_vbox.pack_start(_grids_notebook, false, false);
457     _grids_vbox.pack_start(_grids_button_remove, false, false);
459     update_gridspage();
464 /**
465  * Update dialog widgets from desktop. Also call updateWidget routines of the grids.
466  */
467 void
468 DocumentProperties::update()
470     if (_wr.isUpdating()) return;
472     SPDesktop *dt = getDesktop();
473     SPNamedView *nv = sp_desktop_namedview(dt);
475     _wr.setUpdating (true);
476     set_sensitive (true);
478     //-----------------------------------------------------------page page
479     _rcp_bg.setRgba32 (nv->pagecolor);
480     _rcb_canb.setActive (nv->showborder);
481     _rcb_bord.setActive (nv->borderlayer == SP_BORDER_LAYER_TOP);
482     _rcp_bord.setRgba32 (nv->bordercolor);
483     _rcb_shad.setActive (nv->showpageshadow);
485     if (nv->doc_units)
486         _rum_deflt.setUnit (nv->doc_units);
488     double const doc_w_px = sp_document_width(sp_desktop_document(dt));
489     double const doc_h_px = sp_document_height(sp_desktop_document(dt));
490     _page_sizer.setDim (doc_w_px, doc_h_px);
492     //-----------------------------------------------------------guide
493     _rcb_sgui.setActive (nv->showguides);
494     _rcp_gui.setRgba32 (nv->guidecolor);
495     _rcp_hgui.setRgba32 (nv->guidehicolor);
497     //-----------------------------------------------------------snap
499     _rcbsnbb.setActive (nv->snap_manager.snapprefs.getSnapModeBBox());
500     _rcbsnn.setActive (nv->snap_manager.snapprefs.getSnapModeNode());
501     _rcbsng.setActive (nv->snap_manager.snapprefs.getSnapModeGuide());
502     _rcbic.setActive (nv->snap_manager.snapprefs.getIncludeItemCenter());
503     _rcbsm.setActive (nv->snap_manager.snapprefs.getSnapSmoothNodes());
504     _rcbsigg.setActive (nv->snap_manager.snapprefs.getSnapIntersectionGG());
505     _rcbsils.setActive (nv->snap_manager.snapprefs.getSnapIntersectionCS());
506     _rcbsnop.setActive(nv->snap_manager.object.getSnapToItemPath());
507     _rcbsnon.setActive(nv->snap_manager.object.getSnapToItemNode());
508     _rcbsnbbp.setActive(nv->snap_manager.object.getSnapToBBoxPath());
509     _rcbsnbbn.setActive(nv->snap_manager.object.getSnapToBBoxNode());
510     _rcbsnpb.setActive(nv->snap_manager.object.getSnapToPageBorder());
511     _rsu_sno.setValue (nv->objecttolerance);
513     _rsu_sn.setValue (nv->gridtolerance);
515     _rsu_gusn.setValue (nv->guidetolerance);
517     _rcbs.setActive (nv->snap_manager.snapprefs.getSnapEnabledGlobally());
518     _rcbsi.setActive (nv->snapindicator);
520     //-----------------------------------------------------------grids page
522     update_gridspage();
524     _wr.setUpdating (false);
527 // TODO: copied from fill-and-stroke.cpp factor out into new ui/widget file?
528 Gtk::HBox&
529 DocumentProperties::_createPageTabLabel(const Glib::ustring& label, const char *label_image)
531     Gtk::HBox *_tab_label_box = manage(new Gtk::HBox(false, 0));
532     _tab_label_box->set_spacing(4);
533     _tab_label_box->pack_start(*Glib::wrap(sp_icon_new(Inkscape::ICON_SIZE_DECORATION,
534                                                        label_image)));
536     Gtk::Label *_tab_label = manage(new Gtk::Label(label, true));
537     _tab_label_box->pack_start(*_tab_label);
538     _tab_label_box->show_all();
540     return *_tab_label_box;
543 //--------------------------------------------------------------------
545 void
546 DocumentProperties::on_response (int id)
548     if (id == Gtk::RESPONSE_DELETE_EVENT || id == Gtk::RESPONSE_CLOSE)
549     {
550         _rcp_bg.closeWindow();
551         _rcp_bord.closeWindow();
552         _rcp_gui.closeWindow();
553         _rcp_hgui.closeWindow();
554     }
556     if (id == Gtk::RESPONSE_CLOSE)
557         hide();
560 void
561 DocumentProperties::_handleDocumentReplaced(SPDesktop* desktop, SPDocument *document)
563     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
564     repr->addListener(&_repr_events, this);
565     Inkscape::XML::Node *root = SP_OBJECT_REPR(document->root);
566     root->addListener(&_repr_events, this);
567     update();
570 void
571 DocumentProperties::_handleActivateDesktop(Inkscape::Application *, SPDesktop *desktop)
573     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
574     repr->addListener(&_repr_events, this);
575     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(desktop)->root);
576     root->addListener(&_repr_events, this);
577     update();
580 void
581 DocumentProperties::_handleDeactivateDesktop(Inkscape::Application *, SPDesktop *desktop)
583     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
584     repr->removeListenerByData(this);
585     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(desktop)->root);
586     root->removeListenerByData(this);
589 static void
590 on_child_added(Inkscape::XML::Node */*repr*/, Inkscape::XML::Node */*child*/, Inkscape::XML::Node */*ref*/, void *data)
592     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
593         dialog->update_gridspage();
596 static void
597 on_child_removed(Inkscape::XML::Node */*repr*/, Inkscape::XML::Node */*child*/, Inkscape::XML::Node */*ref*/, void *data)
599     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
600         dialog->update_gridspage();
605 /**
606  * Called when XML node attribute changed; updates dialog widgets.
607  */
608 static void
609 on_repr_attr_changed (Inkscape::XML::Node *, gchar const *, gchar const *, gchar const *, bool, gpointer data)
611     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
612         dialog->update();
616 /*########################################################################
617 # BUTTON CLICK HANDLERS    (callbacks)
618 ########################################################################*/
620 void
621 DocumentProperties::onNewGrid()
623     SPDesktop *dt = getDesktop();
624     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(dt));
625     SPDocument *doc = sp_desktop_document(dt);
627     Glib::ustring typestring = _grids_combo_gridtype.get_active_text();
628     CanvasGrid::writeNewGridToRepr(repr, doc, CanvasGrid::getGridTypeFromName(typestring.c_str()));
630     // toggle grid showing to ON:
631     dt->showGrids(true);
635 void
636 DocumentProperties::onRemoveGrid()
638     gint pagenum = _grids_notebook.get_current_page();
639     if (pagenum == -1) // no pages
640       return;
642     SPDesktop *dt = getDesktop();
643     SPNamedView *nv = sp_desktop_namedview(dt);
644     Inkscape::CanvasGrid * found_grid = NULL;
645     int i = 0;
646     for (GSList const * l = nv->grids; l != NULL; l = l->next, i++) {  // not a very nice fix, but works.
647         Inkscape::CanvasGrid * grid = (Inkscape::CanvasGrid*) l->data;
648         if (pagenum == i) {
649             found_grid = grid;
650             break; // break out of for-loop
651         }
652     }
653     if (found_grid) {
654         // delete the grid that corresponds with the selected tab
655         // when the grid is deleted from SVG, the SPNamedview handler automatically deletes the object, so found_grid becomes an invalid pointer!
656         found_grid->repr->parent()->removeChild(found_grid->repr);
657         sp_document_done(sp_desktop_document(dt), SP_VERB_DIALOG_NAMEDVIEW, _("Remove grid"));
658     }
662 } // namespace Dialog
663 } // namespace UI
664 } // namespace Inkscape
666 /*
667   Local Variables:
668   mode:c++
669   c-file-style:"stroustrup"
670   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
671   indent-tabs-mode:nil
672   fill-column:99
673   End:
674 */
675 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :