src/ui/dialog/document-properties.cpp

   1 /** \file
   2  *
   3  * Document properties dialog, Gtkmm-style
   4  *
   5  * Authors:
   6  *   bulia byak <buliabyak@users.sf.net>
   7  *   Bryce W. Harrington <bryce@bryceharrington.org>
   8  *   Lauris Kaplinski <lauris@kaplinski.com>
   9  *   Jon Phillips <jon@rejon.org>
  10  *   Ralf Stephan <ralf@ark.in-berlin.de> (Gtkmm)
  11  *   Diederik van Lierop <mail@diedenrezi.nl>
  12  *
  13  * Copyright (C) 2006-2008 Johan Engelen  <johan@shouraizou.nl>
  14  * Copyright (C) 2000 - 2008 Authors
  15  *
  16  * Released under GNU GPL.  Read the file 'COPYING' for more information
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 # include <config.h>
  21 #endif
  22
  23
  24
  25 #include <gtkmm.h>
  26 #include "ui/widget/color-picker.h"
  27 #include "ui/widget/scalar-unit.h"
  28
  29 #include "xml/node-event-vector.h"
  30 #include "helper/units.h"
  31 #include "prefs-utils.h"
  32
  33 #include "inkscape.h"
  34 #include "verbs.h"
  35 #include "document.h"
  36 #include "desktop-handles.h"
  37 #include "desktop.h"
  38 #include "sp-namedview.h"
  39 #include "widgets/icon.h"
  40 #include "document-properties.h"
  41
  42 #include "display/canvas-grid.h"
  43
  44 using std::pair;
  45
  46 namespace Inkscape {
  47 namespace UI {
  48 namespace Dialog {
  49
  50 #define SPACE_SIZE_X 15
  51 #define SPACE_SIZE_Y 10
  52
  53 #define INKSCAPE_ICON_GRID_XY     "grid_xy"
  54 #define INKSCAPE_ICON_GRID_AXONOM "grid_axonom"
  55
  56
  57 //===================================================
  58
  59 //---------------------------------------------------
  60
  61 static void on_child_added(Inkscape::XML::Node *repr, Inkscape::XML::Node *child, Inkscape::XML::Node *ref, void * data);
  62 static void on_child_removed(Inkscape::XML::Node *repr, Inkscape::XML::Node *child, Inkscape::XML::Node *ref, void * data);
  63 static void on_repr_attr_changed (Inkscape::XML::Node *, gchar const *, gchar const *, gchar const *, bool, gpointer);
  64
  65 static Inkscape::XML::NodeEventVector const _repr_events = {
  66     on_child_added, /* child_added */
  67     on_child_removed, /* child_removed */
  68     on_repr_attr_changed,
  69     NULL, /* content_changed */
  70     NULL  /* order_changed */
  71 };
  72
  73
  74 DocumentProperties &
  75 DocumentProperties::getInstance()
  76 {
  77     DocumentProperties &instance = *new DocumentProperties();
  78     instance.init();
  79
  80     return instance;
  81 }
  82
  83 DocumentProperties::DocumentProperties()
  84     : UI::Widget::Panel ("", "dialogs.documentoptions", SP_VERB_DIALOG_NAMEDVIEW),
  85       _page_page(1, 1), _page_guides(1, 1),
  86       _page_snap(1, 1), _page_snap_dtls(1, 1),
  87     //---------------------------------------------------------------
  88       _rcb_canb(_("Show page _border"), _("If set, rectangular page border is shown"), "showborder", _wr, false),
  89       _rcb_bord(_("Border on _top of drawing"), _("If set, border is always on top of the drawing"), "borderlayer", _wr, false),
  90       _rcb_shad(_("_Show border shadow"), _("If set, page border shows a shadow on its right and lower side"), "inkscape:showpageshadow", _wr, false),
  91       _rcp_bg(_("Back_ground:"), _("Background color"), _("Color and transparency of the page background (also used for bitmap export)"), "pagecolor", "inkscape:pageopacity", _wr),
  92       _rcp_bord(_("Border _color:"), _("Page border color"), _("Color of the page border"), "bordercolor", "borderopacity", _wr),
  93       _rum_deflt(_("Default _units:"), "inkscape:document-units", _wr),
  94       _page_sizer(_wr),
  95     //---------------------------------------------------------------
  96       //General snap options
  97       _rcb_sgui(_("Show _guides"), _("Show or hide guides"), "showguides", _wr),
  98       _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)"),
  99                   "inkscape:snap-guide", _wr),
 100       _rcp_gui(_("Guide co_lor:"), _("Guideline color"), _("Color of guidelines"), "guidecolor", "guideopacity", _wr),
 101       _rcp_hgui(_("_Highlight color:"), _("Highlighted guideline color"), _("Color of a guideline when it is under mouse"), "guidehicolor", "guidehiopacity", _wr),
 102     //---------------------------------------------------------------
 103       _rcbs(_("_Enable snapping"), _("Toggle snapping on or off"), "inkscape:snap-global", _wr),
 104       _rcbsi(_("_Enable snap indicator"), _("After snapping, a symbol is drawn at the point that has snapped"), "inkscape:snap-indicator", _wr),
 105       _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)"),
 106                   "inkscape:snap-bbox", _wr),
 107       _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"),
 108                 "inkscape:snap-nodes", _wr),
 109       //Options for snapping to objects
 110       _rcbsnop(_("Snap to path_s"), _("Snap nodes to object paths"), "inkscape:object-paths", _wr),
 111       _rcbsnon(_("Snap to n_odes"), _("Snap nodes and guides to object nodes"), "inkscape:object-nodes", _wr),
 112       _rcbsnbbp(_("Snap to bounding bo_x edges"), _("Snap bounding box corners and guides to bounding box edges"), "inkscape:bbox-paths", _wr),
 113       _rcbsnbbn(_("Snap to bounding box co_rners"), _("Snap bounding box corners to other bounding box corners"), "inkscape:bbox-nodes", _wr),
 114       _rcbsnpb(_("Snap to page border"), _("Snap bounding box corners and nodes to the page border"), "inkscape:snap-page", _wr),
 115     //---------------------------------------------------------------
 116        //Applies to both nodes and guides, but not to bboxes, that's why its located here
 117       _rcbic( _("Rotation _center"), _("Consider the rotation center of an object when snapping"), "inkscape:snap-center", _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     //---------------------------------------------------------------
 128       _prefs_path("dialogs.documentoptions")
 129 {
 130     _tt.enable();
 131     _getContents()->set_spacing (4);
 132     _getContents()->pack_start(_notebook, true, true);
 133
 134     _notebook.append_page(_page_page,      _("Page"));
 135     _notebook.append_page(_page_guides,    _("Guides"));
 136     _notebook.append_page(_grids_vbox,     _("Grids"));
 137     _notebook.append_page(_page_snap,      _("Snap"));
 138     _notebook.append_page(_page_snap_dtls, _("Snap points"));
 139
 140     build_page();
 141     build_guides();
 142     build_gridspage();
 143     build_snap();
 144     build_snap_dtls();
 145
 146     _grids_button_new.signal_clicked().connect(sigc::mem_fun(*this, &DocumentProperties::onNewGrid));
 147     _grids_button_remove.signal_clicked().connect(sigc::mem_fun(*this, &DocumentProperties::onRemoveGrid));
 148
 149     signalDocumentReplaced().connect(sigc::mem_fun(*this, &DocumentProperties::_handleDocumentReplaced));
 150     signalActivateDesktop().connect(sigc::mem_fun(*this, &DocumentProperties::_handleActivateDesktop));
 151     signalDeactiveDesktop().connect(sigc::mem_fun(*this, &DocumentProperties::_handleDeactivateDesktop));
 152 }
 153
 154 void
 155 DocumentProperties::init()
 156 {
 157     update();
 158
 159     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(getDesktop()));
 160     repr->addListener (&_repr_events, this);
 161     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(getDesktop())->root);
 162     root->addListener (&_repr_events, this);
 163
 164     show_all_children();
 165     _grids_button_remove.hide();
 166 }
 167
 168 DocumentProperties::~DocumentProperties()
 169 {
 170     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(getDesktop()));
 171     repr->removeListenerByData (this);
 172     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(getDesktop())->root);
 173     root->removeListenerByData (this);
 174 }
 175
 176 //========================================================================
 177
 178 /**
 179  * Helper function that attaches widgets in a 3xn table. The widgets come in an
 180  * array that has two entries per table row. The two entries code for four
 181  * possible cases: (0,0) means insert space in first column; (0, non-0) means
 182  * widget in columns 2-3; (non-0, 0) means label in columns 1-3; and
 183  * (non-0, non-0) means two widgets in columns 2 and 3.
 184 **/
 185 inline void
 186 attach_all(Gtk::Table &table, Gtk::Widget *const arr[], unsigned const n, int start = 0)
 187 {
 188     for (unsigned i = 0, r = start; i < n; i += 2)
 189     {
 190         if (arr[i] && arr[i+1])
 191         {
 192             table.attach(*arr[i],   1, 2, r, r+1,
 193                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
 194             table.attach(*arr[i+1], 2, 3, r, r+1,
 195                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
 196         }
 197         else
 198         {
 199             if (arr[i+1])
 200                 table.attach(*arr[i+1], 1, 3, r, r+1,
 201                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
 202             else if (arr[i])
 203             {
 204                 Gtk::Label& label = reinterpret_cast<Gtk::Label&>(*arr[i]);
 205                 label.set_alignment (0.0);
 206                 table.attach (label, 0, 3, r, r+1,
 207                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
 208             }
 209             else
 210             {
 211                 Gtk::HBox *space = manage (new Gtk::HBox);
 212                 space->set_size_request (SPACE_SIZE_X, SPACE_SIZE_Y);
 213                 table.attach (*space, 0, 1, r, r+1,
 214                       (Gtk::AttachOptions)0, (Gtk::AttachOptions)0,0,0);
 215             }
 216         }
 217         ++r;
 218     }
 219 }
 220
 221 void
 222 DocumentProperties::build_page()
 223 {
 224     _page_page.show();
 225
 226     Gtk::Label* label_gen = manage (new Gtk::Label);
 227     label_gen->set_markup (_("<b>General</b>"));
 228     Gtk::Label* label_bor = manage (new Gtk::Label);
 229     label_bor->set_markup (_("<b>Border</b>"));
 230     Gtk::Label *label_for = manage (new Gtk::Label);
 231     label_for->set_markup (_("<b>Format</b>"));
 232     _page_sizer.init();
 233
 234     Gtk::Widget *const widget_array[] =
 235     {
 236         label_gen,         0,
 237         0,                 &_rum_deflt,
 238         _rcp_bg._label,    &_rcp_bg,
 239         0,                 0,
 240         label_for,         0,
 241         0,                 &_page_sizer,
 242         0,                 0,
 243         label_bor,         0,
 244         0,                 &_rcb_canb,
 245         0,                 &_rcb_bord,
 246         0,                 &_rcb_shad,
 247         _rcp_bord._label,  &_rcp_bord,
 248     };
 249
 250     attach_all(_page_page.table(), widget_array, G_N_ELEMENTS(widget_array));
 251 }
 252
 253 void
 254 DocumentProperties::build_guides()
 255 {
 256     _page_guides.show();
 257
 258     Gtk::Label *label_gui = manage (new Gtk::Label);
 259     label_gui->set_markup (_("<b>Guides</b>"));
 260
 261     Gtk::Widget *const widget_array[] =
 262     {
 263         label_gui,        0,
 264         0,                &_rcb_sgui,
 265         _rcp_gui._label,  &_rcp_gui,
 266         _rcp_hgui._label, &_rcp_hgui,
 267         0,                &_rcbsng,
 268     };
 269
 270     attach_all(_page_guides.table(), widget_array, G_N_ELEMENTS(widget_array));
 271 }
 272
 273 void
 274 DocumentProperties::build_snap()
 275 {
 276     _page_snap.show();
 277
 278     _rsu_sno.init (_("Snap _distance"), _("Snap only when _closer than:"), _("Always snap"),
 279                   _("Snapping distance, in screen pixels, for snapping to objects"), _("Always snap to objects, regardless of their distance"),
 280                   _("If set, objects only snap to another object when it's within the range specified below"),
 281                   "objecttolerance", _wr);
 282
 283     //Options for snapping to grids
 284     _rsu_sn.init (_("Snap d_istance"), _("Snap only when c_loser than:"), _("Always snap"),
 285                   _("Snapping distance, in screen pixels, for snapping to grid"), _("Always snap to grids, regardless of the distance"),
 286                   _("If set, objects only snap to a grid line when it's within the range specified below"),
 287                   "gridtolerance", _wr);
 288
 289     //Options for snapping to guides
 290     _rsu_gusn.init (_("Snap dist_ance"), _("Snap only when close_r than:"), _("Always snap"),
 291                 _("Snapping distance, in screen pixels, for snapping to guides"), _("Always snap to guides, regardless of the distance"),
 292                 _("If set, objects only snap to a guide when it's within the range specified below"),
 293                 "guidetolerance", _wr);
 294
 295     //Other options to locate here: e.g. visual snapping indicators on/off
 296
 297     std::list<Gtk::Widget*> slaves;
 298     slaves.push_back(&_rcbsnop);
 299     slaves.push_back(&_rcbsnon);
 300     _rcbsnn.setSlaveWidgets(slaves);
 301
 302     slaves.clear();
 303     slaves.push_back(&_rcbsnbbp);
 304     slaves.push_back(&_rcbsnbbn);
 305     _rcbsnbb.setSlaveWidgets(slaves);
 306
 307     slaves.clear();
 308     slaves.push_back(&_rcbsnn);
 309     slaves.push_back(&_rcbsnbb);
 310     slaves.push_back(&_rcbsi);
 311
 312     _rcbs.setSlaveWidgets(slaves);
 313
 314     Gtk::Label *label_g = manage (new Gtk::Label);
 315     label_g->set_markup (_("<b>Snapping</b>"));
 316     Gtk::Label *label_w = manage (new Gtk::Label);
 317     label_w->set_markup (_("<b>What snaps</b>"));
 318     Gtk::Label *label_o = manage (new Gtk::Label);
 319     label_o->set_markup (_("<b>Snap to objects</b>"));
 320     Gtk::Label *label_gr = manage (new Gtk::Label);
 321     label_gr->set_markup (_("<b>Snap to grids</b>"));
 322     Gtk::Label *label_gu = manage (new Gtk::Label);
 323     label_gu->set_markup (_("<b>Snap to guides</b>"));
 324
 325     Gtk::Widget *const array[] =
 326     {
 327         label_g,            0,
 328         0,                  &_rcbs,
 329         0,                  &_rcbsi,
 330         0,                  0,
 331         label_w,            0,
 332         0,                  &_rcbsnn,
 333         0,                  &_rcbsnbb,
 334         0,                  0,
 335         label_o,            0,
 336         0,                  &_rcbsnop,
 337         0,                  &_rcbsnon,
 338         0,                  &_rcbsnbbp,
 339         0,                  &_rcbsnbbn,
 340         0,                  &_rcbsnpb,
 341         0,                  _rsu_sno._vbox,
 342         0,                  0,
 343         label_gr,           0,
 344         0,                  _rsu_sn._vbox,
 345         0,                  0,
 346         label_gu,           0,
 347         0,                  _rsu_gusn._vbox
 348     };
 349
 350     attach_all(_page_snap.table(), array, G_N_ELEMENTS(array));
 351  }
 352
 353 void
 354 DocumentProperties::build_snap_dtls()
 355 {
 356     _page_snap_dtls.show();
 357
 358     //Other options to locate here: e.g. visual snapping indicators on/off
 359
 360     Gtk::Label *label_i= manage (new Gtk::Label);
 361     label_i->set_markup (_("<b>Snapping to intersections of</b>"));
 362     Gtk::Label *label_m = manage (new Gtk::Label);
 363     label_m->set_markup (_("<b>Special points to consider</b>"));
 364
 365     Gtk::Widget *const array[] =
 366     {
 367         label_i,            0,
 368         0,                  &_rcbsigg,
 369         0,                  &_rcbsils,
 370         0,                  0,
 371         label_m,            0,
 372         0,                  &_rcbic,
 373     };
 374
 375     attach_all(_page_snap_dtls.table(), array, G_N_ELEMENTS(array));
 376 }
 377
 378 /**
 379 * Called for _updating_ the dialog (e.g. when a new grid was manually added in XML)
 380 */
 381 void
 382 DocumentProperties::update_gridspage()
 383 {
 384     SPDesktop *dt = getDesktop();
 385     SPNamedView *nv = sp_desktop_namedview(dt);
 386
 387     //remove all tabs
 388     while (_grids_notebook.get_n_pages() != 0) {
 389         _grids_notebook.remove_page(-1); // this also deletes the page.
 390     }
 391
 392     //add tabs
 393     bool grids_present = false;
 394     for (GSList const * l = nv->grids; l != NULL; l = l->next) {
 395         Inkscape::CanvasGrid * grid = (Inkscape::CanvasGrid*) l->data;
 396         if (!grid->repr->attribute("id")) continue; // update_gridspage is called again when "id" is added
 397         Glib::ustring name(grid->repr->attribute("id"));
 398         const char *icon = NULL;
 399         switch (grid->getGridType()) {
 400             case GRID_RECTANGULAR:
 401                 icon = INKSCAPE_ICON_GRID_XY;
 402                 break;
 403             case GRID_AXONOMETRIC:
 404                 icon = INKSCAPE_ICON_GRID_AXONOM;
 405                 break;
 406             default:
 407                 break;
 408         }
 409         _grids_notebook.append_page(*grid->newWidget(), _createPageTabLabel(name, icon));
 410         grids_present = true;
 411     }
 412     _grids_notebook.show_all();
 413
 414     if (grids_present)
 415         _grids_button_remove.set_sensitive(true);
 416     else
 417         _grids_button_remove.set_sensitive(false);
 418 }
 419
 420 /**
 421  * Build grid page of dialog.
 422  */
 423 void
 424 DocumentProperties::build_gridspage()
 425 {
 426     /// \todo FIXME: gray out snapping when grid is off.
 427     /// Dissenting view: you want snapping without grid.
 428
 429     SPDesktop *dt = getDesktop();
 430     SPNamedView *nv = sp_desktop_namedview(dt);
 431     (void)nv;
 432
 433     _grids_label_crea.set_markup(_("<b>Creation</b>"));
 434     _grids_label_def.set_markup(_("<b>Defined grids</b>"));
 435     _grids_hbox_crea.pack_start(_grids_combo_gridtype, true, true);
 436     _grids_hbox_crea.pack_start(_grids_button_new, true, true);
 437
 438     for (gint t = 0; t <= GRID_MAXTYPENR; t++) {
 439         _grids_combo_gridtype.append_text( CanvasGrid::getName( (GridType) t ) );
 440     }
 441     _grids_combo_gridtype.set_active_text( CanvasGrid::getName(GRID_RECTANGULAR) );
 442
 443     _grids_space.set_size_request (SPACE_SIZE_X, SPACE_SIZE_Y);
 444
 445     _grids_vbox.set_spacing(4);
 446     _grids_vbox.pack_start(_grids_label_crea, false, false);
 447     _grids_vbox.pack_start(_grids_hbox_crea, false, false);
 448     _grids_vbox.pack_start(_grids_space, false, false);
 449     _grids_vbox.pack_start(_grids_label_def, false, false);
 450     _grids_vbox.pack_start(_grids_notebook, false, false);
 451     _grids_vbox.pack_start(_grids_button_remove, false, false);
 452
 453     update_gridspage();
 454 }
 455
 456
 457
 458 /**
 459  * Update dialog widgets from desktop. Also call updateWidget routines of the grids.
 460  */
 461 void
 462 DocumentProperties::update()
 463 {
 464     if (_wr.isUpdating()) return;
 465
 466     SPDesktop *dt = getDesktop();
 467     SPNamedView *nv = sp_desktop_namedview(dt);
 468
 469     _wr.setUpdating (true);
 470     set_sensitive (true);
 471
 472     //-----------------------------------------------------------page page
 473     _rcp_bg.setRgba32 (nv->pagecolor);
 474     _rcb_canb.setActive (nv->showborder);
 475     _rcb_bord.setActive (nv->borderlayer == SP_BORDER_LAYER_TOP);
 476     _rcp_bord.setRgba32 (nv->bordercolor);
 477     _rcb_shad.setActive (nv->showpageshadow);
 478
 479     if (nv->doc_units)
 480         _rum_deflt.setUnit (nv->doc_units);
 481
 482     double const doc_w_px = sp_document_width(sp_desktop_document(dt));
 483     double const doc_h_px = sp_document_height(sp_desktop_document(dt));
 484     _page_sizer.setDim (doc_w_px, doc_h_px);
 485
 486     //-----------------------------------------------------------guide
 487     _rcb_sgui.setActive (nv->showguides);
 488     _rcp_gui.setRgba32 (nv->guidecolor);
 489     _rcp_hgui.setRgba32 (nv->guidehicolor);
 490
 491     //-----------------------------------------------------------snap
 492
 493     _rcbsnbb.setActive (nv->snap_manager.getSnapModeBBox());
 494     _rcbsnn.setActive (nv->snap_manager.getSnapModeNode());
 495     _rcbsng.setActive (nv->snap_manager.getSnapModeGuide());
 496     _rcbic.setActive (nv->snap_manager.getIncludeItemCenter());
 497     _rcbsigg.setActive (nv->snap_manager.getSnapIntersectionGG());
 498     _rcbsils.setActive (nv->snap_manager.getSnapIntersectionCS());
 499     _rcbsnop.setActive(nv->snap_manager.object.getSnapToItemPath());
 500     _rcbsnon.setActive(nv->snap_manager.object.getSnapToItemNode());
 501     _rcbsnbbp.setActive(nv->snap_manager.object.getSnapToBBoxPath());
 502     _rcbsnbbn.setActive(nv->snap_manager.object.getSnapToBBoxNode());
 503     _rcbsnpb.setActive(nv->snap_manager.object.getSnapToPageBorder());
 504     _rsu_sno.setValue (nv->objecttolerance);
 505
 506     _rsu_sn.setValue (nv->gridtolerance);
 507
 508     _rsu_gusn.setValue (nv->guidetolerance);
 509
 510     _rcbs.setActive (nv->snap_manager.getSnapEnabledGlobally());
 511     _rcbsi.setActive (nv->snapindicator);
 512
 513     //-----------------------------------------------------------grids page
 514
 515     update_gridspage();
 516
 517     _wr.setUpdating (false);
 518 }
 519
 520 // TODO: copied from fill-and-stroke.cpp factor out into new ui/widget file?
 521 Gtk::HBox&
 522 DocumentProperties::_createPageTabLabel(const Glib::ustring& label, const char *label_image)
 523 {
 524     Gtk::HBox *_tab_label_box = manage(new Gtk::HBox(false, 0));
 525     _tab_label_box->set_spacing(4);
 526     _tab_label_box->pack_start(*Glib::wrap(sp_icon_new(Inkscape::ICON_SIZE_DECORATION,
 527                                                        label_image)));
 528
 529     Gtk::Label *_tab_label = manage(new Gtk::Label(label, true));
 530     _tab_label_box->pack_start(*_tab_label);
 531     _tab_label_box->show_all();
 532
 533     return *_tab_label_box;
 534 }
 535
 536 //--------------------------------------------------------------------
 537
 538 void
 539 DocumentProperties::on_response (int id)
 540 {
 541     if (id == Gtk::RESPONSE_DELETE_EVENT || id == Gtk::RESPONSE_CLOSE)
 542     {
 543         _rcp_bg.closeWindow();
 544         _rcp_bord.closeWindow();
 545         _rcp_gui.closeWindow();
 546         _rcp_hgui.closeWindow();
 547     }
 548
 549     if (id == Gtk::RESPONSE_CLOSE)
 550         hide();
 551 }
 552
 553 void
 554 DocumentProperties::_handleDocumentReplaced(SPDesktop* desktop, SPDocument *document)
 555 {
 556     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
 557     repr->addListener(&_repr_events, this);
 558     Inkscape::XML::Node *root = SP_OBJECT_REPR(document->root);
 559     root->addListener(&_repr_events, this);
 560     update();
 561 }
 562
 563 void
 564 DocumentProperties::_handleActivateDesktop(Inkscape::Application *, SPDesktop *desktop)
 565 {
 566     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
 567     repr->addListener(&_repr_events, this);
 568     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(desktop)->root);
 569     root->addListener(&_repr_events, this);
 570     update();
 571 }
 572
 573 void
 574 DocumentProperties::_handleDeactivateDesktop(Inkscape::Application *, SPDesktop *desktop)
 575 {
 576     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
 577     repr->removeListenerByData(this);
 578     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(desktop)->root);
 579     root->removeListenerByData(this);
 580 }
 581
 582 static void
 583 on_child_added(Inkscape::XML::Node */*repr*/, Inkscape::XML::Node */*child*/, Inkscape::XML::Node */*ref*/, void *data)
 584 {
 585     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
 586         dialog->update_gridspage();
 587 }
 588
 589 static void
 590 on_child_removed(Inkscape::XML::Node */*repr*/, Inkscape::XML::Node */*child*/, Inkscape::XML::Node */*ref*/, void *data)
 591 {
 592     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
 593         dialog->update_gridspage();
 594 }
 595
 596
 597
 598 /**
 599  * Called when XML node attribute changed; updates dialog widgets.
 600  */
 601 static void
 602 on_repr_attr_changed (Inkscape::XML::Node *, gchar const *, gchar const *, gchar const *, bool, gpointer data)
 603 {
 604     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
 605         dialog->update();
 606 }
 607
 608
 609 /*########################################################################
 610 # BUTTON CLICK HANDLERS    (callbacks)
 611 ########################################################################*/
 612
 613 void
 614 DocumentProperties::onNewGrid()
 615 {
 616     SPDesktop *dt = getDesktop();
 617     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(dt));
 618     SPDocument *doc = sp_desktop_document(dt);
 619
 620     Glib::ustring typestring = _grids_combo_gridtype.get_active_text();
 621     CanvasGrid::writeNewGridToRepr(repr, doc, CanvasGrid::getGridTypeFromName(typestring.c_str()));
 622
 623     // toggle grid showing to ON:
 624     dt->showGrids(true);
 625 }
 626
 627
 628 void
 629 DocumentProperties::onRemoveGrid()
 630 {
 631     gint pagenum = _grids_notebook.get_current_page();
 632     if (pagenum == -1) // no pages
 633       return;
 634
 635     SPDesktop *dt = getDesktop();
 636     SPNamedView *nv = sp_desktop_namedview(dt);
 637     Inkscape::CanvasGrid * found_grid = NULL;
 638     int i = 0;
 639     for (GSList const * l = nv->grids; l != NULL; l = l->next, i++) {  // not a very nice fix, but works.
 640         Inkscape::CanvasGrid * grid = (Inkscape::CanvasGrid*) l->data;
 641         if (pagenum == i) {
 642             found_grid = grid;
 643             break; // break out of for-loop
 644         }
 645     }
 646     if (found_grid) {
 647         // delete the grid that corresponds with the selected tab
 648         // when the grid is deleted from SVG, the SPNamedview handler automatically deletes the object, so found_grid becomes an invalid pointer!
 649         found_grid->repr->parent()->removeChild(found_grid->repr);
 650         sp_document_done(sp_desktop_document(dt), SP_VERB_DIALOG_NAMEDVIEW, _("Remove grid"));
 651     }
 652 }
 653
 654
 655 } // namespace Dialog
 656 } // namespace UI
 657 } // namespace Inkscape
 658
 659 /*
 660   Local Variables:
 661   mode:c++
 662   c-file-style:"stroustrup"
 663   c-file-offsets:((innamespace . 0)(inline-open . 0))
 664   indent-tabs-mode:nil
 665   fill-column:99
 666   End:
 667 */
 668 // vim: filetype=c++:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :