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  *
  12  * Copyright (C) 2006-2008 Johan Engelen  <johan@shouraizou.nl>
  13  * Copyright (C) 2000 - 2005 Authors
  14  *
  15  * Released under GNU GPL.  Read the file 'COPYING' for more information
  16  */
  17
  18 #ifdef HAVE_CONFIG_H
  19 # include <config.h>
  20 #endif
  21
  22
  23
  24 #include <gtkmm.h>
  25 #include "ui/widget/color-picker.h"
  26 #include "ui/widget/scalar-unit.h"
  27
  28 #include "xml/node-event-vector.h"
  29 #include "helper/units.h"
  30 #include "prefs-utils.h"
  31
  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"
  40
  41 #include "display/canvas-grid.h"
  42
  43 using std::pair;
  44
  45 namespace Inkscape {
  46 namespace UI {
  47 namespace Dialog {
  48
  49 #define SPACE_SIZE_X 15
  50 #define SPACE_SIZE_Y 10
  51
  52 #define INKSCAPE_ICON_GRID_XY     "grid_xy"
  53 #define INKSCAPE_ICON_GRID_AXONOM "grid_axonom"
  54
  55
  56 //===================================================
  57
  58 //---------------------------------------------------
  59
  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);
  63
  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 };
  71
  72
  73 DocumentProperties &
  74 DocumentProperties::getInstance()
  75 {
  76     DocumentProperties &instance = *new DocumentProperties();
  77     instance.init();
  78
  79     return instance;
  80 }
  81
  82 DocumentProperties::DocumentProperties()
  83     : UI::Widget::Panel ("", "dialogs.documentoptions", SP_VERB_DIALOG_NAMEDVIEW),
  84       _page_page(1, 1), _page_guides(1, 1),
  85       _page_snap(1, 1), _page_snap_dtls(1, 1),
  86       _grids_label_crea("", Gtk::ALIGN_LEFT),
  87       _grids_button_new(_("_New"), _("Create new grid.")),
  88       _grids_button_remove(_("_Remove"), _("Remove selected grid.")),
  89       _grids_label_def("", Gtk::ALIGN_LEFT),
  90       _prefs_path("dialogs.documentoptions")
  91 {
  92     _tt.enable();
  93     _getContents()->set_spacing (4);
  94     _getContents()->pack_start(_notebook, true, true);
  95
  96     _notebook.append_page(_page_page,      _("Page"));
  97     _notebook.append_page(_page_guides,    _("Guides"));
  98     _notebook.append_page(_grids_vbox,     _("Grids"));
  99     _notebook.append_page(_page_snap,      _("Snap"));
 100     _notebook.append_page(_page_snap_dtls, _("Snap points"));
 101
 102     build_page();
 103     build_guides();
 104     build_gridspage();
 105     build_snap();
 106     build_snap_dtls();
 107
 108     _grids_button_new.signal_clicked().connect(sigc::mem_fun(*this, &DocumentProperties::onNewGrid));
 109     _grids_button_remove.signal_clicked().connect(sigc::mem_fun(*this, &DocumentProperties::onRemoveGrid));
 110
 111     signalDocumentReplaced().connect(sigc::mem_fun(*this, &DocumentProperties::_handleDocumentReplaced));
 112     signalActivateDesktop().connect(sigc::mem_fun(*this, &DocumentProperties::_handleActivateDesktop));
 113     signalDeactiveDesktop().connect(sigc::mem_fun(*this, &DocumentProperties::_handleDeactivateDesktop));
 114 }
 115
 116 void
 117 DocumentProperties::init()
 118 {
 119     update();
 120
 121     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(getDesktop()));
 122     repr->addListener (&_repr_events, this);
 123     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(getDesktop())->root);
 124     root->addListener (&_repr_events, this);
 125
 126     show_all_children();
 127     _grids_button_remove.hide();
 128 }
 129
 130 DocumentProperties::~DocumentProperties()
 131 {
 132     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(getDesktop()));
 133     repr->removeListenerByData (this);
 134     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(getDesktop())->root);
 135     root->removeListenerByData (this);
 136 }
 137
 138 //========================================================================
 139
 140 /**
 141  * Helper function that attaches widgets in a 3xn table. The widgets come in an
 142  * array that has two entries per table row. The two entries code for four
 143  * possible cases: (0,0) means insert space in first column; (0, non-0) means
 144  * widget in columns 2-3; (non-0, 0) means label in columns 1-3; and
 145  * (non-0, non-0) means two widgets in columns 2 and 3.
 146 **/
 147 inline void
 148 attach_all(Gtk::Table &table, Gtk::Widget *const arr[], unsigned const n, int start = 0)
 149 {
 150     for (unsigned i = 0, r = start; i < n; i += 2)
 151     {
 152         if (arr[i] && arr[i+1])
 153         {
 154             table.attach(*arr[i],   1, 2, r, r+1,
 155                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
 156             table.attach(*arr[i+1], 2, 3, r, r+1,
 157                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
 158         }
 159         else
 160         {
 161             if (arr[i+1])
 162                 table.attach(*arr[i+1], 1, 3, r, r+1,
 163                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
 164             else if (arr[i])
 165             {
 166                 Gtk::Label& label = reinterpret_cast<Gtk::Label&>(*arr[i]);
 167                 label.set_alignment (0.0);
 168                 table.attach (label, 0, 3, r, r+1,
 169                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
 170             }
 171             else
 172             {
 173                 Gtk::HBox *space = manage (new Gtk::HBox);
 174                 space->set_size_request (SPACE_SIZE_X, SPACE_SIZE_Y);
 175                 table.attach (*space, 0, 1, r, r+1,
 176                       (Gtk::AttachOptions)0, (Gtk::AttachOptions)0,0,0);
 177             }
 178         }
 179         ++r;
 180     }
 181 }
 182
 183 void
 184 DocumentProperties::build_page()
 185 {
 186     _page_page.show();
 187
 188     _rcp_bg.init(
 189                    _("Back_ground:"),
 190                    _("Background color"),
 191                    _("Color and transparency of the page background (also used for bitmap export)"),
 192                    "pagecolor", "inkscape:pageopacity", _wr);
 193     _rcb_canb = Gtk::manage( new RegisteredCheckButton(
 194                    _("Show page _border"),
 195                    _("If set, rectangular page border is shown"), "showborder", _wr, false) );
 196     _rcb_bord = Gtk::manage( new RegisteredCheckButton(
 197                    _("Border on _top of drawing"),
 198                    _("If set, border is always on top of the drawing"), "borderlayer", _wr, false) );
 199     _rcp_bord.init (_("Border _color:"), _("Page border color"),
 200                     _("Color of the page border"),
 201                     "bordercolor", "borderopacity", _wr);
 202     _rcb_shad = Gtk::manage( new RegisteredCheckButton(
 203                     _("_Show border shadow"),
 204                     _("If set, page border shows a shadow on its right and lower side"),
 205                     "inkscape:showpageshadow", _wr, false) );
 206     _rum_deflt.init (_("Default _units:"), "inkscape:document-units", _wr);
 207
 208     Gtk::Label* label_gen = manage (new Gtk::Label);
 209     label_gen->set_markup (_("<b>General</b>"));
 210     Gtk::Label* label_bor = manage (new Gtk::Label);
 211     label_bor->set_markup (_("<b>Border</b>"));
 212     Gtk::Label *label_for = manage (new Gtk::Label);
 213     label_for->set_markup (_("<b>Format</b>"));
 214     _page_sizer.init (_wr);
 215
 216     Gtk::Widget *const widget_array[] =
 217     {
 218         label_gen,         0,
 219         _rum_deflt._label, _rum_deflt._sel,
 220         _rcp_bg._label,    _rcp_bg._cp,
 221         0,                 0,
 222         label_for,         0,
 223         0,                 &_page_sizer,
 224         0,                 0,
 225         label_bor,         0,
 226         0,                 _rcb_canb,
 227         0,                 _rcb_bord,
 228         0,                 _rcb_shad,
 229         _rcp_bord._label,  _rcp_bord._cp,
 230     };
 231
 232     attach_all(_page_page.table(), widget_array, G_N_ELEMENTS(widget_array));
 233 }
 234
 235 void
 236 DocumentProperties::build_guides()
 237 {
 238     _page_guides.show();
 239
 240     _rcb_sgui = Gtk::manage( new RegisteredCheckButton(
 241                 _("Show _guides"), _("Show or hide guides"), "showguides", _wr) );
 242     _rcp_gui.init (_("Guide co_lor:"), _("Guideline color"),
 243                    _("Color of guidelines"), "guidecolor", "guideopacity", _wr);
 244     _rcp_hgui.init (_("_Highlight color:"), _("Highlighted guideline color"),
 245                     _("Color of a guideline when it is under mouse"),
 246                     "guidehicolor", "guidehiopacity", _wr);
 247
 248     _rcbsng = Gtk::manage( new RegisteredCheckButton(
 249                   _("_Snap guides while dragging"),
 250                   _("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)"),
 251                   "inkscape:snap-guide", _wr) );
 252
 253     Gtk::Label *label_gui = manage (new Gtk::Label);
 254     label_gui->set_markup (_("<b>Guides</b>"));
 255
 256     Gtk::Widget *const widget_array[] =
 257     {
 258         label_gui,       0,
 259         0,               _rcb_sgui,
 260         _rcp_gui._label, _rcp_gui._cp,
 261         _rcp_hgui._label, _rcp_hgui._cp,
 262         0,                  _rcbsng,
 263     };
 264
 265     attach_all(_page_guides.table(), widget_array, G_N_ELEMENTS(widget_array));
 266 }
 267
 268 void
 269 DocumentProperties::build_snap()
 270 {
 271     _page_snap.show();
 272     //General options
 273     _rcbsg = Gtk::manage( new RegisteredCheckButton( _("_Enable snapping"),
 274                 _("Toggle snapping on or off"),
 275                 "inkscape:snap-global", _wr) );
 276     _rcbsnbb = Gtk::manage( new RegisteredCheckButton( _("_Bounding box corners"),
 277                 _("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)"),
 278                 "inkscape:snap-bbox", _wr) );
 279     _rcbsnn = Gtk::manage( new RegisteredCheckButton( _("_Nodes"),
 280                 _("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"),
 281                 "inkscape:snap-nodes", _wr) );
 282
 283     //Options for snapping to objects
 284     _rcbsnop = Gtk::manage( new RegisteredCheckButton( _("Snap to path_s"),
 285                 _("Snap nodes to object paths"),
 286                 "inkscape:object-paths", _wr) );
 287     _rcbsnon = Gtk::manage( new RegisteredCheckButton( _("Snap to n_odes"),
 288                 _("Snap nodes and guides to object nodes"),
 289                 "inkscape:object-nodes", _wr) );
 290     _rcbsnbbn = Gtk::manage( new RegisteredCheckButton( _("Snap to bounding box co_rners"),
 291                 _("Snap bounding box corners to other bounding box corners"),
 292                 "inkscape:bbox-nodes", _wr) );
 293     _rcbsnbbp = Gtk::manage( new RegisteredCheckButton( _("Snap to bounding bo_x edges"),
 294                 _("Snap bounding box corners and guides to bounding box edges"),
 295                 "inkscape:bbox-paths", _wr) );
 296
 297     _rsu_sno.init (_("Snap _distance"), _("Snap only when _closer than:"),
 298                   _("Snapping distance, in screen pixels, for snapping to objects"),
 299                   _("If set, objects only snap to another object when it's within the range specified below"),
 300                   "objecttolerance", _wr);
 301
 302     //Options for snapping to grids
 303     _rsu_sn.init (_("Snap d_istance"), _("Snap only when c_loser than:"),
 304                   _("Snapping distance, in screen pixels, for snapping to grid"),
 305                   _("If set, objects only snap to a grid line when it's within the range specified below"),
 306                   "gridtolerance", _wr);
 307
 308         //Options for snapping to guides
 309     _rsu_gusn.init (_("Snap dist_ance"), _("Snap only when close_r than:"),
 310                 _("Snapping distance, in screen pixels, for snapping to guides"),
 311                 _("If set, objects only snap to a guide when it's within the range specified below"),
 312                 "guidetolerance", _wr);
 313
 314     //Other options to locate here: e.g. visual snapping indicators on/off
 315
 316     std::list<Gtk::ToggleButton*> slaves;
 317     slaves.push_back(_rcbsnop);
 318     slaves.push_back(_rcbsnon);
 319     _rcbsnn->setSlaveButton(slaves);
 320
 321     slaves.clear();
 322     slaves.push_back(_rcbsnbbp);
 323     slaves.push_back(_rcbsnbbn);
 324     _rcbsnbb->setSlaveButton(slaves);
 325
 326     slaves.clear();
 327     slaves.push_back(_rcbsnn);
 328     slaves.push_back(_rcbsnbb);
 329
 330     _rcbsg->setSlaveButton(slaves);
 331
 332     Gtk::Label *label_g = manage (new Gtk::Label);
 333     label_g->set_markup (_("<b>Snapping</b>"));
 334     Gtk::Label *label_w = manage (new Gtk::Label);
 335     label_w->set_markup (_("<b>What snaps</b>"));
 336     Gtk::Label *label_o = manage (new Gtk::Label);
 337     label_o->set_markup (_("<b>Snap to objects</b>"));
 338     Gtk::Label *label_gr = manage (new Gtk::Label);
 339     label_gr->set_markup (_("<b>Snap to grids</b>"));
 340     Gtk::Label *label_gu = manage (new Gtk::Label);
 341     label_gu->set_markup (_("<b>Snap to guides</b>"));
 342
 343     Gtk::Widget *const array[] =
 344     {
 345         label_g,            0,
 346         0,                  _rcbsg,
 347         0,                  0,
 348         label_w,            0,
 349         0,                  _rcbsnn,
 350         0,                  _rcbsnbb,
 351         0,                                      0,
 352         label_o,            0,
 353         0,                                      _rcbsnop,
 354         0,                                      _rcbsnon,
 355         0,                  _rcbsnbbp,
 356         0,                  _rcbsnbbn,
 357         0,                  _rsu_sno._vbox,
 358         0,                                      0,
 359         label_gr,           0,
 360         0,                  _rsu_sn._vbox,
 361         0,                                      0,
 362         label_gu,               0,
 363         0,                      _rsu_gusn._vbox
 364     };
 365
 366     attach_all(_page_snap.table(), array, G_N_ELEMENTS(array));
 367  }
 368
 369 void
 370 DocumentProperties::build_snap_dtls()
 371 {
 372     _page_snap_dtls.show();
 373
 374     _rcbsigg = Gtk::manage( new RegisteredCheckButton( _("_Grid with guides"),
 375                 _("Snap to grid-guide intersections"),
 376                 "inkscape:snap-intersection-grid-guide", _wr) );
 377
 378     _rcbsils = Gtk::manage( new RegisteredCheckButton( _("_Line segments"),
 379                 _("Snap to intersections of line segments ('snap to paths' must be enabled, see the previous tab)"),
 380                 "inkscape:snap-intersection-line-segments", _wr) );
 381
 382     //Applies to both nodes and guides, but not to bboxes, that's why its located here
 383     _rcbic = Gtk::manage( new RegisteredCheckButton( _("Rotation _center"),
 384                 _("Consider the rotation center of an object when snapping"),
 385                 "inkscape:snap-center", _wr) );
 386
 387     //Other options to locate here: e.g. visual snapping indicators on/off
 388
 389     Gtk::Label *label_i= manage (new Gtk::Label);
 390     label_i->set_markup (_("<b>Snapping to intersections of</b>"));
 391     Gtk::Label *label_m = manage (new Gtk::Label);
 392     label_m->set_markup (_("<b>Snapping to special nodes</b>"));
 393
 394     Gtk::Widget *const array[] =
 395     {
 396         label_i,            0,
 397         0,                  _rcbsigg,
 398         0,                  _rcbsils,
 399         0,                  0,
 400         label_m,            0,
 401         0,                  _rcbic,
 402     };
 403
 404     attach_all(_page_snap_dtls.table(), array, G_N_ELEMENTS(array));
 405 }
 406
 407 /**
 408 * Called for _updating_ the dialog (e.g. when a new grid was manually added in XML)
 409 */
 410 void
 411 DocumentProperties::update_gridspage()
 412 {
 413     SPDesktop *dt = getDesktop();
 414     SPNamedView *nv = sp_desktop_namedview(dt);
 415
 416     //remove all tabs
 417     while (_grids_notebook.get_n_pages() != 0) {
 418         _grids_notebook.remove_page(-1); // this also deletes the page.
 419     }
 420
 421     //add tabs
 422     bool grids_present = false;
 423     for (GSList const * l = nv->grids; l != NULL; l = l->next) {
 424         Inkscape::CanvasGrid * grid = (Inkscape::CanvasGrid*) l->data;
 425         if (!grid->repr->attribute("id")) continue; // update_gridspage is called again when "id" is added
 426         Glib::ustring name(grid->repr->attribute("id"));
 427         const char *icon = NULL;
 428         switch (grid->getGridType()) {
 429             case GRID_RECTANGULAR:
 430                 icon = INKSCAPE_ICON_GRID_XY;
 431                 break;
 432             case GRID_AXONOMETRIC:
 433                 icon = INKSCAPE_ICON_GRID_AXONOM;
 434                 break;
 435             default:
 436                 break;
 437         }
 438         _grids_notebook.append_page(*grid->newWidget(), _createPageTabLabel(name, icon));
 439         grids_present = true;
 440     }
 441     _grids_notebook.show_all();
 442
 443     if (grids_present)
 444         _grids_button_remove.show();
 445     else
 446         _grids_button_remove.hide();
 447 }
 448
 449 /**
 450  * Build grid page of dialog.
 451  */
 452 void
 453 DocumentProperties::build_gridspage()
 454 {
 455     /// \todo FIXME: gray out snapping when grid is off.
 456     /// Dissenting view: you want snapping without grid.
 457
 458     SPDesktop *dt = getDesktop();
 459     SPNamedView *nv = sp_desktop_namedview(dt);
 460
 461     _grids_label_crea.set_markup(_("<b>Creation</b>"));
 462     _grids_label_def.set_markup(_("<b>Defined grids</b>"));
 463     _grids_hbox_crea.pack_start(_grids_combo_gridtype, true, true);
 464     _grids_hbox_crea.pack_start(_grids_button_new, true, true);
 465
 466     for (gint t = 0; t <= GRID_MAXTYPENR; t++) {
 467         _grids_combo_gridtype.append_text( CanvasGrid::getName( (GridType) t ) );
 468     }
 469     _grids_combo_gridtype.set_active_text( CanvasGrid::getName(GRID_RECTANGULAR) );
 470
 471     _grids_space.set_size_request (SPACE_SIZE_X, SPACE_SIZE_Y);
 472
 473     _grids_vbox.set_spacing(4);
 474     _grids_vbox.pack_start(_grids_label_crea, false, false);
 475     _grids_vbox.pack_start(_grids_hbox_crea, false, false);
 476     _grids_vbox.pack_start(_grids_space, false, false);
 477     _grids_vbox.pack_start(_grids_label_def, false, false);
 478     _grids_vbox.pack_start(_grids_notebook, false, false);
 479     _grids_vbox.pack_start(_grids_button_remove, false, false);
 480     _grids_button_remove.hide();
 481
 482     update_gridspage();
 483 }
 484
 485
 486
 487 /**
 488  * Update dialog widgets from desktop. Also call updateWidget routines of the grids.
 489  */
 490 void
 491 DocumentProperties::update()
 492 {
 493     if (_wr.isUpdating()) return;
 494
 495     SPDesktop *dt = getDesktop();
 496     SPNamedView *nv = sp_desktop_namedview(dt);
 497
 498     _wr.setUpdating (true);
 499     set_sensitive (true);
 500
 501     //-----------------------------------------------------------page page
 502     _rcp_bg.setRgba32 (nv->pagecolor);
 503     _rcb_canb->setActive (nv->showborder);
 504     _rcb_bord->setActive (nv->borderlayer == SP_BORDER_LAYER_TOP);
 505     _rcp_bord.setRgba32 (nv->bordercolor);
 506     _rcb_shad->setActive (nv->showpageshadow);
 507
 508     if (nv->doc_units)
 509         _rum_deflt.setUnit (nv->doc_units);
 510
 511     double const doc_w_px = sp_document_width(sp_desktop_document(dt));
 512     double const doc_h_px = sp_document_height(sp_desktop_document(dt));
 513     _page_sizer.setDim (doc_w_px, doc_h_px);
 514
 515     //-----------------------------------------------------------guide
 516     _rcb_sgui->setActive (nv->showguides);
 517     _rcp_gui.setRgba32 (nv->guidecolor);
 518     _rcp_hgui.setRgba32 (nv->guidehicolor);
 519
 520     //-----------------------------------------------------------snap
 521
 522     _rcbsnbb->setActive (nv->snap_manager.getSnapModeBBox());
 523     _rcbsnn->setActive (nv->snap_manager.getSnapModeNode());
 524     _rcbsng->setActive (nv->snap_manager.getSnapModeGuide());
 525     _rcbic->setActive (nv->snap_manager.getIncludeItemCenter());
 526     _rcbsigg->setActive (nv->snap_manager.getSnapIntersectionGG());
 527     _rcbsils->setActive (nv->snap_manager.getSnapIntersectionLS());
 528     _rcbsnop->setActive(nv->snap_manager.object.getSnapToItemPath());
 529     _rcbsnon->setActive(nv->snap_manager.object.getSnapToItemNode());
 530     _rcbsnbbp->setActive(nv->snap_manager.object.getSnapToBBoxPath());
 531     _rcbsnbbn->setActive(nv->snap_manager.object.getSnapToBBoxNode());
 532     _rsu_sno.setValue (nv->objecttolerance);
 533
 534     _rsu_sn.setValue (nv->gridtolerance);
 535
 536     _rsu_gusn.setValue (nv->guidetolerance);
 537
 538     _rcbsg->setActive (nv->snap_manager.getSnapEnabledGlobally());
 539
 540     //-----------------------------------------------------------grids page
 541
 542     update_gridspage();
 543
 544     _wr.setUpdating (false);
 545 }
 546
 547 // TODO: copied from fill-and-stroke.cpp factor out into new ui/widget file?
 548 Gtk::HBox&
 549 DocumentProperties::_createPageTabLabel(const Glib::ustring& label, const char *label_image)
 550 {
 551     Gtk::HBox *_tab_label_box = manage(new Gtk::HBox(false, 0));
 552     _tab_label_box->set_spacing(4);
 553     _tab_label_box->pack_start(*Glib::wrap(sp_icon_new(Inkscape::ICON_SIZE_DECORATION,
 554                                                        label_image)));
 555
 556     Gtk::Label *_tab_label = manage(new Gtk::Label(label, true));
 557     _tab_label_box->pack_start(*_tab_label);
 558     _tab_label_box->show_all();
 559
 560     return *_tab_label_box;
 561 }
 562
 563 //--------------------------------------------------------------------
 564
 565 void
 566 DocumentProperties::on_response (int id)
 567 {
 568     if (id == Gtk::RESPONSE_DELETE_EVENT || id == Gtk::RESPONSE_CLOSE)
 569     {
 570         _rcp_bg.closeWindow();
 571         _rcp_bord.closeWindow();
 572         _rcp_gui.closeWindow();
 573         _rcp_hgui.closeWindow();
 574     }
 575
 576     if (id == Gtk::RESPONSE_CLOSE)
 577         hide();
 578 }
 579
 580 void
 581 DocumentProperties::_handleDocumentReplaced(SPDesktop* desktop, SPDocument *document)
 582 {
 583     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
 584     repr->addListener(&_repr_events, this);
 585     Inkscape::XML::Node *root = SP_OBJECT_REPR(document->root);
 586     root->addListener(&_repr_events, this);
 587     update();
 588 }
 589
 590 void
 591 DocumentProperties::_handleActivateDesktop(Inkscape::Application *, SPDesktop *desktop)
 592 {
 593     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
 594     repr->addListener(&_repr_events, this);
 595     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(desktop)->root);
 596     root->addListener(&_repr_events, this);
 597     update();
 598 }
 599
 600 void
 601 DocumentProperties::_handleDeactivateDesktop(Inkscape::Application *, SPDesktop *desktop)
 602 {
 603     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
 604     repr->removeListenerByData(this);
 605     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(desktop)->root);
 606     root->removeListenerByData(this);
 607 }
 608
 609 static void
 610 on_child_added(Inkscape::XML::Node */*repr*/, Inkscape::XML::Node */*child*/, Inkscape::XML::Node */*ref*/, void *data)
 611 {
 612     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
 613         dialog->update_gridspage();
 614 }
 615
 616 static void
 617 on_child_removed(Inkscape::XML::Node */*repr*/, Inkscape::XML::Node */*child*/, Inkscape::XML::Node */*ref*/, void *data)
 618 {
 619     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
 620         dialog->update_gridspage();
 621 }
 622
 623
 624
 625 /**
 626  * Called when XML node attribute changed; updates dialog widgets.
 627  */
 628 static void
 629 on_repr_attr_changed (Inkscape::XML::Node *, gchar const *, gchar const *, gchar const *, bool, gpointer data)
 630 {
 631     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
 632         dialog->update();
 633 }
 634
 635
 636 /*########################################################################
 637 # BUTTON CLICK HANDLERS    (callbacks)
 638 ########################################################################*/
 639
 640 void
 641 DocumentProperties::onNewGrid()
 642 {
 643     SPDesktop *dt = getDesktop();
 644     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(dt));
 645     SPDocument *doc = sp_desktop_document(dt);
 646
 647     Glib::ustring typestring = _grids_combo_gridtype.get_active_text();
 648     CanvasGrid::writeNewGridToRepr(repr, doc, CanvasGrid::getGridTypeFromName(typestring.c_str()));
 649
 650     // toggle grid showing to ON:
 651     dt->showGrids(true);
 652 }
 653
 654
 655 void
 656 DocumentProperties::onRemoveGrid()
 657 {
 658     gint pagenum = _grids_notebook.get_current_page();
 659     if (pagenum == -1) // no pages
 660       return;
 661
 662     SPDesktop *dt = getDesktop();
 663     SPNamedView *nv = sp_desktop_namedview(dt);
 664     Inkscape::CanvasGrid * found_grid = NULL;
 665     int i = 0;
 666     for (GSList const * l = nv->grids; l != NULL; l = l->next, i++) {  // not a very nice fix, but works.
 667         Inkscape::CanvasGrid * grid = (Inkscape::CanvasGrid*) l->data;
 668         if (pagenum == i) {
 669             found_grid = grid;
 670             break; // break out of for-loop
 671         }
 672     }
 673     if (found_grid) {
 674         // delete the grid that corresponds with the selected tab
 675         // when the grid is deleted from SVG, the SPNamedview handler automatically deletes the object, so found_grid becomes an invalid pointer!
 676         found_grid->repr->parent()->removeChild(found_grid->repr);
 677         sp_document_done(sp_desktop_document(dt), SP_VERB_DIALOG_NAMEDVIEW, _("Remove grid"));
 678     }
 679 }
 680
 681
 682 } // namespace Dialog
 683 } // namespace UI
 684 } // namespace Inkscape
 685
 686 /*
 687   Local Variables:
 688   mode:c++
 689   c-file-style:"stroustrup"
 690   c-file-offsets:((innamespace . 0)(inline-open . 0))
 691   indent-tabs-mode:nilu
 692   fill-column:99
 693   End:
 694 */
 695 // vim: filetype=c++:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :