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       _rcbsg(_("_Enable snapping"), _("Toggle snapping on or off"), "inkscape:snap-global", _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       _rcbsigg(_("_Grid with guides"), _("Snap to grid-guide intersections"), "inkscape:snap-intersection-grid-guide", _wr),
 118       _rcbsils(_("_Line segments"), _("Snap to intersections of line segments ('snap to paths' must be enabled, see the previous tab)"),
 119                 "inkscape:snap-intersection-line-segments", _wr),
 120     //---------------------------------------------------------------
 121       _grids_label_crea("", Gtk::ALIGN_LEFT),
 122       //TRANSLATORS: In Grid|_New translate only the word _New. It ref to grid
 123       _grids_button_new(Q_("Grid|_New"), _("Create new grid.")),
 124       _grids_button_remove(_("_Remove"), _("Remove selected grid.")),
 125       _grids_label_def("", Gtk::ALIGN_LEFT),
 126     //---------------------------------------------------------------
 127       _prefs_path("dialogs.documentoptions")
 128 {
 129     _tt.enable();
 130     _getContents()->set_spacing (4);
 131     _getContents()->pack_start(_notebook, true, true);
 132
 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"));
 138
 139     build_page();
 140     build_guides();
 141     build_gridspage();
 142     build_snap();
 143     build_snap_dtls();
 144
 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));
 147
 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));
 151 }
 152
 153 void
 154 DocumentProperties::init()
 155 {
 156     update();
 157
 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);
 162
 163     show_all_children();
 164     _grids_button_remove.hide();
 165 }
 166
 167 DocumentProperties::~DocumentProperties()
 168 {
 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);
 173 }
 174
 175 //========================================================================
 176
 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)
 186 {
 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                 table.attach(*arr[i+1], 1, 3, r, r+1,
 200                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
 201             else if (arr[i])
 202             {
 203                 Gtk::Label& label = reinterpret_cast<Gtk::Label&>(*arr[i]);
 204                 label.set_alignment (0.0);
 205                 table.attach (label, 0, 3, r, r+1,
 206                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
 207             }
 208             else
 209             {
 210                 Gtk::HBox *space = manage (new Gtk::HBox);
 211                 space->set_size_request (SPACE_SIZE_X, SPACE_SIZE_Y);
 212                 table.attach (*space, 0, 1, r, r+1,
 213                       (Gtk::AttachOptions)0, (Gtk::AttachOptions)0,0,0);
 214             }
 215         }
 216         ++r;
 217     }
 218 }
 219
 220 void
 221 DocumentProperties::build_page()
 222 {
 223     _page_page.show();
 224
 225     Gtk::Label* label_gen = manage (new Gtk::Label);
 226     label_gen->set_markup (_("<b>General</b>"));
 227     Gtk::Label* label_bor = manage (new Gtk::Label);
 228     label_bor->set_markup (_("<b>Border</b>"));
 229     Gtk::Label *label_for = manage (new Gtk::Label);
 230     label_for->set_markup (_("<b>Format</b>"));
 231     _page_sizer.init();
 232
 233     Gtk::Widget *const widget_array[] =
 234     {
 235         label_gen,         0,
 236         0,                 &_rum_deflt,
 237         _rcp_bg._label,    &_rcp_bg,
 238         0,                 0,
 239         label_for,         0,
 240         0,                 &_page_sizer,
 241         0,                 0,
 242         label_bor,         0,
 243         0,                 &_rcb_canb,
 244         0,                 &_rcb_bord,
 245         0,                 &_rcb_shad,
 246         _rcp_bord._label,  &_rcp_bord,
 247     };
 248
 249     attach_all(_page_page.table(), widget_array, G_N_ELEMENTS(widget_array));
 250 }
 251
 252 void
 253 DocumentProperties::build_guides()
 254 {
 255     _page_guides.show();
 256
 257     Gtk::Label *label_gui = manage (new Gtk::Label);
 258     label_gui->set_markup (_("<b>Guides</b>"));
 259
 260     Gtk::Widget *const widget_array[] =
 261     {
 262         label_gui,        0,
 263         0,                &_rcb_sgui,
 264         _rcp_gui._label,  &_rcp_gui,
 265         _rcp_hgui._label, &_rcp_hgui,
 266         0,                &_rcbsng,
 267     };
 268
 269     attach_all(_page_guides.table(), widget_array, G_N_ELEMENTS(widget_array));
 270 }
 271
 272 void
 273 DocumentProperties::build_snap()
 274 {
 275     _page_snap.show();
 276
 277     _rsu_sno.init (_("Snap _distance"), _("Snap only when _closer than:"),
 278                   _("Snapping distance, in screen pixels, for snapping to objects"),
 279                   _("If set, objects only snap to another object when it's within the range specified below"),
 280                   "objecttolerance", _wr);
 281
 282     //Options for snapping to grids
 283     _rsu_sn.init (_("Snap d_istance"), _("Snap only when c_loser than:"),
 284                   _("Snapping distance, in screen pixels, for snapping to grid"),
 285                   _("If set, objects only snap to a grid line when it's within the range specified below"),
 286                   "gridtolerance", _wr);
 287
 288     //Options for snapping to guides
 289     _rsu_gusn.init (_("Snap dist_ance"), _("Snap only when close_r than:"),
 290                 _("Snapping distance, in screen pixels, for snapping to guides"),
 291                 _("If set, objects only snap to a guide when it's within the range specified below"),
 292                 "guidetolerance", _wr);
 293
 294     //Other options to locate here: e.g. visual snapping indicators on/off
 295
 296     std::list<Gtk::Widget*> slaves;
 297     slaves.push_back(&_rcbsnop);
 298     slaves.push_back(&_rcbsnon);
 299     _rcbsnn.setSlaveWidgets(slaves);
 300
 301     slaves.clear();
 302     slaves.push_back(&_rcbsnbbp);
 303     slaves.push_back(&_rcbsnbbn);
 304     _rcbsnbb.setSlaveWidgets(slaves);
 305
 306     slaves.clear();
 307     slaves.push_back(&_rcbsnn);
 308     slaves.push_back(&_rcbsnbb);
 309
 310     _rcbsg.setSlaveWidgets(slaves);
 311
 312     Gtk::Label *label_g = manage (new Gtk::Label);
 313     label_g->set_markup (_("<b>Snapping</b>"));
 314     Gtk::Label *label_w = manage (new Gtk::Label);
 315     label_w->set_markup (_("<b>What snaps</b>"));
 316     Gtk::Label *label_o = manage (new Gtk::Label);
 317     label_o->set_markup (_("<b>Snap to objects</b>"));
 318     Gtk::Label *label_gr = manage (new Gtk::Label);
 319     label_gr->set_markup (_("<b>Snap to grids</b>"));
 320     Gtk::Label *label_gu = manage (new Gtk::Label);
 321     label_gu->set_markup (_("<b>Snap to guides</b>"));
 322
 323     Gtk::Widget *const array[] =
 324     {
 325         label_g,            0,
 326         0,                  &_rcbsg,
 327         0,                  0,
 328         label_w,            0,
 329         0,                  &_rcbsnn,
 330         0,                  &_rcbsnbb,
 331         0,                  0,
 332         label_o,            0,
 333         0,                  &_rcbsnop,
 334         0,                  &_rcbsnon,
 335         0,                  &_rcbsnbbp,
 336         0,                  &_rcbsnbbn,
 337         0,                  &_rcbsnpb,
 338         0,                  _rsu_sno._vbox,
 339         0,                  0,
 340         label_gr,           0,
 341         0,                  _rsu_sn._vbox,
 342         0,                  0,
 343         label_gu,           0,
 344         0,                  _rsu_gusn._vbox
 345     };
 346
 347     attach_all(_page_snap.table(), array, G_N_ELEMENTS(array));
 348  }
 349
 350 void
 351 DocumentProperties::build_snap_dtls()
 352 {
 353     _page_snap_dtls.show();
 354
 355     //Other options to locate here: e.g. visual snapping indicators on/off
 356
 357     Gtk::Label *label_i= manage (new Gtk::Label);
 358     label_i->set_markup (_("<b>Snapping to intersections of</b>"));
 359     Gtk::Label *label_m = manage (new Gtk::Label);
 360     label_m->set_markup (_("<b>Snapping to special nodes</b>"));
 361
 362     Gtk::Widget *const array[] =
 363     {
 364         label_i,            0,
 365         0,                  &_rcbsigg,
 366         0,                  &_rcbsils,
 367         0,                  0,
 368         label_m,            0,
 369         0,                  &_rcbic,
 370     };
 371
 372     attach_all(_page_snap_dtls.table(), array, G_N_ELEMENTS(array));
 373 }
 374
 375 /**
 376 * Called for _updating_ the dialog (e.g. when a new grid was manually added in XML)
 377 */
 378 void
 379 DocumentProperties::update_gridspage()
 380 {
 381     SPDesktop *dt = getDesktop();
 382     SPNamedView *nv = sp_desktop_namedview(dt);
 383
 384     //remove all tabs
 385     while (_grids_notebook.get_n_pages() != 0) {
 386         _grids_notebook.remove_page(-1); // this also deletes the page.
 387     }
 388
 389     //add tabs
 390     bool grids_present = false;
 391     for (GSList const * l = nv->grids; l != NULL; l = l->next) {
 392         Inkscape::CanvasGrid * grid = (Inkscape::CanvasGrid*) l->data;
 393         if (!grid->repr->attribute("id")) continue; // update_gridspage is called again when "id" is added
 394         Glib::ustring name(grid->repr->attribute("id"));
 395         const char *icon = NULL;
 396         switch (grid->getGridType()) {
 397             case GRID_RECTANGULAR:
 398                 icon = INKSCAPE_ICON_GRID_XY;
 399                 break;
 400             case GRID_AXONOMETRIC:
 401                 icon = INKSCAPE_ICON_GRID_AXONOM;
 402                 break;
 403             default:
 404                 break;
 405         }
 406         _grids_notebook.append_page(*grid->newWidget(), _createPageTabLabel(name, icon));
 407         grids_present = true;
 408     }
 409     _grids_notebook.show_all();
 410
 411     if (grids_present)
 412         _grids_button_remove.set_sensitive(true);
 413     else
 414         _grids_button_remove.set_sensitive(false);
 415 }
 416
 417 /**
 418  * Build grid page of dialog.
 419  */
 420 void
 421 DocumentProperties::build_gridspage()
 422 {
 423     /// \todo FIXME: gray out snapping when grid is off.
 424     /// Dissenting view: you want snapping without grid.
 425
 426     SPDesktop *dt = getDesktop();
 427     SPNamedView *nv = sp_desktop_namedview(dt);
 428     (void)nv;
 429
 430     _grids_label_crea.set_markup(_("<b>Creation</b>"));
 431     _grids_label_def.set_markup(_("<b>Defined grids</b>"));
 432     _grids_hbox_crea.pack_start(_grids_combo_gridtype, true, true);
 433     _grids_hbox_crea.pack_start(_grids_button_new, true, true);
 434
 435     for (gint t = 0; t <= GRID_MAXTYPENR; t++) {
 436         _grids_combo_gridtype.append_text( CanvasGrid::getName( (GridType) t ) );
 437     }
 438     _grids_combo_gridtype.set_active_text( CanvasGrid::getName(GRID_RECTANGULAR) );
 439
 440     _grids_space.set_size_request (SPACE_SIZE_X, SPACE_SIZE_Y);
 441
 442     _grids_vbox.set_spacing(4);
 443     _grids_vbox.pack_start(_grids_label_crea, false, false);
 444     _grids_vbox.pack_start(_grids_hbox_crea, false, false);
 445     _grids_vbox.pack_start(_grids_space, false, false);
 446     _grids_vbox.pack_start(_grids_label_def, false, false);
 447     _grids_vbox.pack_start(_grids_notebook, false, false);
 448     _grids_vbox.pack_start(_grids_button_remove, false, false);
 449
 450     update_gridspage();
 451 }
 452
 453
 454
 455 /**
 456  * Update dialog widgets from desktop. Also call updateWidget routines of the grids.
 457  */
 458 void
 459 DocumentProperties::update()
 460 {
 461     if (_wr.isUpdating()) return;
 462
 463     SPDesktop *dt = getDesktop();
 464     SPNamedView *nv = sp_desktop_namedview(dt);
 465
 466     _wr.setUpdating (true);
 467     set_sensitive (true);
 468
 469     //-----------------------------------------------------------page page
 470     _rcp_bg.setRgba32 (nv->pagecolor);
 471     _rcb_canb.setActive (nv->showborder);
 472     _rcb_bord.setActive (nv->borderlayer == SP_BORDER_LAYER_TOP);
 473     _rcp_bord.setRgba32 (nv->bordercolor);
 474     _rcb_shad.setActive (nv->showpageshadow);
 475
 476     if (nv->doc_units)
 477         _rum_deflt.setUnit (nv->doc_units);
 478
 479     double const doc_w_px = sp_document_width(sp_desktop_document(dt));
 480     double const doc_h_px = sp_document_height(sp_desktop_document(dt));
 481     _page_sizer.setDim (doc_w_px, doc_h_px);
 482
 483     //-----------------------------------------------------------guide
 484     _rcb_sgui.setActive (nv->showguides);
 485     _rcp_gui.setRgba32 (nv->guidecolor);
 486     _rcp_hgui.setRgba32 (nv->guidehicolor);
 487
 488     //-----------------------------------------------------------snap
 489
 490     _rcbsnbb.setActive (nv->snap_manager.getSnapModeBBox());
 491     _rcbsnn.setActive (nv->snap_manager.getSnapModeNode());
 492     _rcbsng.setActive (nv->snap_manager.getSnapModeGuide());
 493     _rcbic.setActive (nv->snap_manager.getIncludeItemCenter());
 494     _rcbsigg.setActive (nv->snap_manager.getSnapIntersectionGG());
 495     _rcbsils.setActive (nv->snap_manager.getSnapIntersectionLS());
 496     _rcbsnop.setActive(nv->snap_manager.object.getSnapToItemPath());
 497     _rcbsnon.setActive(nv->snap_manager.object.getSnapToItemNode());
 498     _rcbsnbbp.setActive(nv->snap_manager.object.getSnapToBBoxPath());
 499     _rcbsnbbn.setActive(nv->snap_manager.object.getSnapToBBoxNode());
 500     _rcbsnpb.setActive(nv->snap_manager.object.getSnapToPageBorder());
 501     _rsu_sno.setValue (nv->objecttolerance);
 502
 503     _rsu_sn.setValue (nv->gridtolerance);
 504
 505     _rsu_gusn.setValue (nv->guidetolerance);
 506
 507     _rcbsg.setActive (nv->snap_manager.getSnapEnabledGlobally());
 508
 509     //-----------------------------------------------------------grids page
 510
 511     update_gridspage();
 512
 513     _wr.setUpdating (false);
 514 }
 515
 516 // TODO: copied from fill-and-stroke.cpp factor out into new ui/widget file?
 517 Gtk::HBox&
 518 DocumentProperties::_createPageTabLabel(const Glib::ustring& label, const char *label_image)
 519 {
 520     Gtk::HBox *_tab_label_box = manage(new Gtk::HBox(false, 0));
 521     _tab_label_box->set_spacing(4);
 522     _tab_label_box->pack_start(*Glib::wrap(sp_icon_new(Inkscape::ICON_SIZE_DECORATION,
 523                                                        label_image)));
 524
 525     Gtk::Label *_tab_label = manage(new Gtk::Label(label, true));
 526     _tab_label_box->pack_start(*_tab_label);
 527     _tab_label_box->show_all();
 528
 529     return *_tab_label_box;
 530 }
 531
 532 //--------------------------------------------------------------------
 533
 534 void
 535 DocumentProperties::on_response (int id)
 536 {
 537     if (id == Gtk::RESPONSE_DELETE_EVENT || id == Gtk::RESPONSE_CLOSE)
 538     {
 539         _rcp_bg.closeWindow();
 540         _rcp_bord.closeWindow();
 541         _rcp_gui.closeWindow();
 542         _rcp_hgui.closeWindow();
 543     }
 544
 545     if (id == Gtk::RESPONSE_CLOSE)
 546         hide();
 547 }
 548
 549 void
 550 DocumentProperties::_handleDocumentReplaced(SPDesktop* desktop, SPDocument *document)
 551 {
 552     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
 553     repr->addListener(&_repr_events, this);
 554     Inkscape::XML::Node *root = SP_OBJECT_REPR(document->root);
 555     root->addListener(&_repr_events, this);
 556     update();
 557 }
 558
 559 void
 560 DocumentProperties::_handleActivateDesktop(Inkscape::Application *, SPDesktop *desktop)
 561 {
 562     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
 563     repr->addListener(&_repr_events, this);
 564     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(desktop)->root);
 565     root->addListener(&_repr_events, this);
 566     update();
 567 }
 568
 569 void
 570 DocumentProperties::_handleDeactivateDesktop(Inkscape::Application *, SPDesktop *desktop)
 571 {
 572     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
 573     repr->removeListenerByData(this);
 574     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(desktop)->root);
 575     root->removeListenerByData(this);
 576 }
 577
 578 static void
 579 on_child_added(Inkscape::XML::Node */*repr*/, Inkscape::XML::Node */*child*/, Inkscape::XML::Node */*ref*/, void *data)
 580 {
 581     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
 582         dialog->update_gridspage();
 583 }
 584
 585 static void
 586 on_child_removed(Inkscape::XML::Node */*repr*/, Inkscape::XML::Node */*child*/, Inkscape::XML::Node */*ref*/, void *data)
 587 {
 588     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
 589         dialog->update_gridspage();
 590 }
 591
 592
 593
 594 /**
 595  * Called when XML node attribute changed; updates dialog widgets.
 596  */
 597 static void
 598 on_repr_attr_changed (Inkscape::XML::Node *, gchar const *, gchar const *, gchar const *, bool, gpointer data)
 599 {
 600     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
 601         dialog->update();
 602 }
 603
 604
 605 /*########################################################################
 606 # BUTTON CLICK HANDLERS    (callbacks)
 607 ########################################################################*/
 608
 609 void
 610 DocumentProperties::onNewGrid()
 611 {
 612     SPDesktop *dt = getDesktop();
 613     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(dt));
 614     SPDocument *doc = sp_desktop_document(dt);
 615
 616     Glib::ustring typestring = _grids_combo_gridtype.get_active_text();
 617     CanvasGrid::writeNewGridToRepr(repr, doc, CanvasGrid::getGridTypeFromName(typestring.c_str()));
 618
 619     // toggle grid showing to ON:
 620     dt->showGrids(true);
 621 }
 622
 623
 624 void
 625 DocumentProperties::onRemoveGrid()
 626 {
 627     gint pagenum = _grids_notebook.get_current_page();
 628     if (pagenum == -1) // no pages
 629       return;
 630
 631     SPDesktop *dt = getDesktop();
 632     SPNamedView *nv = sp_desktop_namedview(dt);
 633     Inkscape::CanvasGrid * found_grid = NULL;
 634     int i = 0;
 635     for (GSList const * l = nv->grids; l != NULL; l = l->next, i++) {  // not a very nice fix, but works.
 636         Inkscape::CanvasGrid * grid = (Inkscape::CanvasGrid*) l->data;
 637         if (pagenum == i) {
 638             found_grid = grid;
 639             break; // break out of for-loop
 640         }
 641     }
 642     if (found_grid) {
 643         // delete the grid that corresponds with the selected tab
 644         // when the grid is deleted from SVG, the SPNamedview handler automatically deletes the object, so found_grid becomes an invalid pointer!
 645         found_grid->repr->parent()->removeChild(found_grid->repr);
 646         sp_document_done(sp_desktop_document(dt), SP_VERB_DIALOG_NAMEDVIEW, _("Remove grid"));
 647     }
 648 }
 649
 650
 651 } // namespace Dialog
 652 } // namespace UI
 653 } // namespace Inkscape
 654
 655 /*
 656   Local Variables:
 657   mode:c++
 658   c-file-style:"stroustrup"
 659   c-file-offsets:((innamespace . 0)(inline-open . 0))
 660   indent-tabs-mode:nil
 661   fill-column:99
 662   End:
 663 */
 664 // vim: filetype=c++:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :