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) 2006-2007 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 (_("Back_ground:"), _("Background color"), _("Color and transparency of the page background (also used for bitmap export)"),
 189                    "pagecolor", "inkscape:pageopacity", _wr);
 190     _rcb_canb.init (_("Show page _border"), _("If set, rectangular page border is shown"), "showborder", _wr, false);
 191     _rcb_bord.init (_("Border on _top of drawing"), _("If set, border is always on top of the drawing"), "borderlayer", _wr, false);
 192     _rcp_bord.init (_("Border _color:"), _("Page border color"),
 193                     _("Color of the page border"),
 194                     "bordercolor", "borderopacity", _wr);
 195     _rcb_shad.init (_("_Show border shadow"), _("If set, page border shows a shadow on its right and lower side"), "inkscape:showpageshadow", _wr, false);
 196     _rum_deflt.init (_("Default _units:"), "inkscape:document-units", _wr);
 197
 198     Gtk::Label* label_gen = manage (new Gtk::Label);
 199     label_gen->set_markup (_("<b>General</b>"));
 200     Gtk::Label* label_bor = manage (new Gtk::Label);
 201     label_bor->set_markup (_("<b>Border</b>"));
 202     Gtk::Label *label_for = manage (new Gtk::Label);
 203     label_for->set_markup (_("<b>Format</b>"));
 204     _page_sizer.init (_wr);
 205
 206     Gtk::Widget *const widget_array[] =
 207     {
 208         label_gen,         0,
 209         _rum_deflt._label, _rum_deflt._sel,
 210         _rcp_bg._label,    _rcp_bg._cp,
 211         0,                 0,
 212         label_for,         0,
 213         0,                 &_page_sizer,
 214         0,                 0,
 215         label_bor,         0,
 216         0,                 _rcb_canb._button,
 217         0,                 _rcb_bord._button,
 218         0,                 _rcb_shad._button,
 219         _rcp_bord._label,  _rcp_bord._cp,
 220     };
 221
 222     attach_all(_page_page.table(), widget_array, G_N_ELEMENTS(widget_array));
 223 }
 224
 225 void
 226 DocumentProperties::build_guides()
 227 {
 228     _page_guides.show();
 229
 230     _rcb_sgui.init (_("Show _guides"), _("Show or hide guides"), "showguides", _wr);
 231     _rcp_gui.init (_("Guide co_lor:"), _("Guideline color"),
 232                    _("Color of guidelines"), "guidecolor", "guideopacity", _wr);
 233     _rcp_hgui.init (_("_Highlight color:"), _("Highlighted guideline color"),
 234                     _("Color of a guideline when it is under mouse"),
 235                     "guidehicolor", "guidehiopacity", _wr);
 236
 237     _rcbsng.init (_("_Snap guides while dragging"),
 238                   _("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)"),
 239                   "inkscape:snap-guide", _wr);
 240
 241     Gtk::Label *label_gui = manage (new Gtk::Label);
 242     label_gui->set_markup (_("<b>Guides</b>"));
 243
 244     Gtk::Widget *const widget_array[] =
 245     {
 246         label_gui,       0,
 247         0,               _rcb_sgui._button,
 248         _rcp_gui._label, _rcp_gui._cp,
 249         _rcp_hgui._label, _rcp_hgui._cp,
 250         0,                  _rcbsng._button,
 251     };
 252
 253     attach_all(_page_guides.table(), widget_array, G_N_ELEMENTS(widget_array));
 254 }
 255
 256 void
 257 DocumentProperties::build_snap()
 258 {
 259     _page_snap.show();
 260         //General options
 261     _rcbsg.init (_("Enable snapping"),
 262                 _("Toggle snapping on or off"),
 263                 "inkscape:snap-global", _wr);
 264         _rcbsnbb.init (_("_Bounding box corners"),
 265                 _("Snap bounding box corners to grid lines, to guides, and to other bounding boxes (Snapping of bounding boxes is only available in the selector tool)"),
 266                 "inkscape:snap-bbox", _wr);
 267     _rcbsnn.init (_("_Nodes"),
 268                 _("Snap nodes to grid lines, to guides, to paths, and to other nodes"),
 269                 "inkscape:snap-nodes", _wr);
 270
 271     //Options for snapping to objects
 272     _rcbsnop.init (_("Snap to pat_hs"),
 273                 _("Snap nodes to object paths"),
 274                 "inkscape:object-paths", _wr);
 275     _rcbsnon.init (_("Snap to n_odes"),
 276                 _("Snap nodes and guides to object nodes"),
 277                 "inkscape:object-nodes", _wr);
 278     _rcbsnbbn.init (_("Snap to bounding box co_rners"),
 279                 _("Snap bounding box corners to other bounding box corners"),
 280                 "inkscape:bbox-nodes", _wr);
 281     _rcbsnbbp.init (_("Snap to bounding box _edges"),
 282                 _("Snap bounding box corners and guides to bounding box edges"),
 283                 "inkscape:bbox-paths", _wr);
 284
 285     _rsu_sno.init (_("Snap _distance"), _("Snap at specified d_istance"),
 286                   _("Snapping distance, in screen pixels, for snapping to objects"),
 287                   _("If set, objects only snap to another object when it's within the range specified below"),
 288                   "objecttolerance", _wr);
 289
 290     //Options for snapping to grids
 291     _rsu_sn.init (_("Snap di_stance"), _("Snap at specified dis_tance"),
 292                   _("Snapping distance, in screen pixels, for snapping to grid"),
 293                   _("If set, objects only snap to a grid line when it's within the range specified below"),
 294                   "gridtolerance", _wr);
 295
 296         //Options for snapping to guides
 297     _rsu_gusn.init (_("Snap dist_ance"), _("Snap at specified distan_ce"),
 298                 _("Snapping distance, in screen pixels, for snapping to guides"),
 299                 _("If set, objects only snap to a guide when it's within the range specified below"),
 300                 "guidetolerance", _wr);
 301
 302     //Other options to locate here: e.g. visual snapping indicators on/off
 303
 304     std::list<Gtk::ToggleButton*> slaves;
 305     slaves.push_back(_rcbsnop._button);
 306     slaves.push_back(_rcbsnon._button);
 307     _rcbsnn.setSlaveButton(slaves);
 308
 309     slaves.clear();
 310     slaves.push_back(_rcbsnbbp._button);
 311     slaves.push_back(_rcbsnbbn._button);
 312     _rcbsnbb.setSlaveButton(slaves);
 313
 314     slaves.clear();
 315     slaves.push_back(_rcbsnn._button);
 316     slaves.push_back(_rcbsnbb._button);
 317
 318     _rcbsg.setSlaveButton(slaves);
 319
 320     Gtk::Label *label_g = manage (new Gtk::Label);
 321     label_g->set_markup (_("<b>Snapping</b>"));
 322     Gtk::Label *label_w = manage (new Gtk::Label);
 323     label_w->set_markup (_("<b>What snaps</b>"));
 324     Gtk::Label *label_o = manage (new Gtk::Label);
 325     label_o->set_markup (_("<b>Snap to objects</b>"));
 326     Gtk::Label *label_gr = manage (new Gtk::Label);
 327     label_gr->set_markup (_("<b>Snap to grids</b>"));
 328     Gtk::Label *label_gu = manage (new Gtk::Label);
 329     label_gu->set_markup (_("<b>Snap to guides</b>"));
 330
 331     Gtk::Widget *const array[] =
 332     {
 333         label_g,            0,
 334         0,                  _rcbsg._button,
 335         0,                  0,
 336         label_w,            0,
 337         0,                  _rcbsnn._button,
 338         0,                  _rcbsnbb._button,
 339         0,                                      0,
 340         label_o,            0,
 341         0,                                      _rcbsnop._button,
 342         0,                                      _rcbsnon._button,
 343         0,                  _rcbsnbbp._button,
 344         0,                  _rcbsnbbn._button,
 345         0,                  _rsu_sno._vbox,
 346         0,                                      0,
 347         label_gr,           0,
 348         0,                  _rsu_sn._vbox,
 349         0,                                      0,
 350         label_gu,               0,
 351         0,                      _rsu_gusn._vbox
 352     };
 353
 354     attach_all(_page_snap.table(), array, G_N_ELEMENTS(array));
 355  }
 356
 357 void
 358 DocumentProperties::build_snap_dtls()
 359 {
 360     _page_snap_dtls.show();
 361
 362         _rcbsigg.init (_("_Grid with guides"),
 363                 _("Snap to grid-guide intersections"),
 364                 "inkscape:snap-intersection-grid-guide", _wr);
 365
 366         _rcbsils.init (_("_Line segments"),
 367                 _("Snap to intersections of line segments ('snap to paths' must be enabled, see the previous tab)"),
 368                 "inkscape:snap-intersection-line-segments", _wr);
 369
 370     //Applies to both nodes and guides, but not to bboxes, that's why its located here
 371     _rcbic.init (_("_Include the object's rotation center"),
 372                 _("Also snap the rotation center of an object when snapping nodes or guides"),
 373                 "inkscape:snap-center", _wr);
 374
 375     //Other options to locate here: e.g. visual snapping indicators on/off
 376
 377     Gtk::Label *label_i= manage (new Gtk::Label);
 378     label_i->set_markup (_("<b>Snapping to intersections of</b>"));
 379     Gtk::Label *label_m = manage (new Gtk::Label);
 380     label_m->set_markup (_("<b>Miscellaneous</b>"));
 381
 382     Gtk::Widget *const array[] =
 383     {
 384         label_i,            0,
 385         0,                  _rcbsigg._button,
 386         0,                  _rcbsils._button,
 387         0,                  0,
 388         label_m,            0,
 389         0,                  _rcbic._button,
 390     };
 391
 392     attach_all(_page_snap_dtls.table(), array, G_N_ELEMENTS(array));
 393 }
 394
 395 /**
 396 * Called for _updating_ the dialog (e.g. when a new grid was manually added in XML)
 397 */
 398 void
 399 DocumentProperties::update_gridspage()
 400 {
 401     SPDesktop *dt = getDesktop();
 402     SPNamedView *nv = sp_desktop_namedview(dt);
 403
 404     //remove all tabs
 405     while (_grids_notebook.get_current_page() != -1) {
 406         _grids_notebook.remove_page(-1);
 407     }
 408
 409     //add tabs
 410     bool grids_present = false;
 411     for (GSList const * l = nv->grids; l != NULL; l = l->next) {
 412         Inkscape::CanvasGrid * grid = (Inkscape::CanvasGrid*) l->data;
 413         if (!grid->repr->attribute("id")) continue; // update_gridspage is called again when "id" is added
 414         Glib::ustring name(grid->repr->attribute("id"));
 415         const char *icon = NULL;
 416         switch (grid->getGridType()) {
 417             case GRID_RECTANGULAR:
 418                 icon = INKSCAPE_ICON_GRID_XY;
 419                 break;
 420             case GRID_AXONOMETRIC:
 421                 icon = INKSCAPE_ICON_GRID_AXONOM;
 422                 break;
 423             default:
 424                 break;
 425         }
 426         _grids_notebook.append_page(grid->getWidget(), _createPageTabLabel(name, icon));
 427         grids_present = true;
 428     }
 429     _grids_notebook.show_all();
 430
 431     if (grids_present)
 432         _grids_button_remove.show();
 433     else
 434         _grids_button_remove.hide();
 435 }
 436
 437 /**
 438  * Build grid page of dialog.
 439  */
 440 void
 441 DocumentProperties::build_gridspage()
 442 {
 443     /// \todo FIXME: gray out snapping when grid is off.
 444     /// Dissenting view: you want snapping without grid.
 445
 446     SPDesktop *dt = getDesktop();
 447     SPNamedView *nv = sp_desktop_namedview(dt);
 448
 449     _grids_label_crea.set_markup(_("<b>Creation</b>"));
 450     _grids_label_def.set_markup(_("<b>Defined grids</b>"));
 451     _grids_hbox_crea.pack_start(_grids_combo_gridtype, true, true);
 452     _grids_hbox_crea.pack_start(_grids_button_new, true, true);
 453
 454     for (gint t = 0; t <= GRID_MAXTYPENR; t++) {
 455         _grids_combo_gridtype.append_text( CanvasGrid::getName( (GridType) t ) );
 456     }
 457     _grids_combo_gridtype.set_active_text( CanvasGrid::getName(GRID_RECTANGULAR) );
 458
 459     for (GSList const * l = nv->grids; l != NULL; l = l->next) {
 460         Inkscape::CanvasGrid * grid = (Inkscape::CanvasGrid*) l->data;
 461         _grids_notebook.append_page(grid->getWidget(), grid->repr->attribute("id"));
 462     }
 463
 464     _grids_space.set_size_request (SPACE_SIZE_X, SPACE_SIZE_Y);
 465
 466     _grids_vbox.set_spacing(4);
 467     _grids_vbox.pack_start(_grids_label_crea, false, false);
 468     _grids_vbox.pack_start(_grids_hbox_crea, false, false);
 469     _grids_vbox.pack_start(_grids_space, false, false);
 470     _grids_vbox.pack_start(_grids_label_def, false, false);
 471     _grids_vbox.pack_start(_grids_notebook, false, false);
 472     _grids_vbox.pack_start(_grids_button_remove, false, false);
 473     _grids_button_remove.hide();
 474 }
 475
 476
 477
 478 /**
 479  * Update dialog widgets from desktop. Also call updateWidget routines of the grids.
 480  */
 481 void
 482 DocumentProperties::update()
 483 {
 484     if (_wr.isUpdating()) return;
 485
 486     SPDesktop *dt = getDesktop();
 487     SPNamedView *nv = sp_desktop_namedview(dt);
 488
 489     _wr.setUpdating (true);
 490     set_sensitive (true);
 491
 492     //-----------------------------------------------------------page page
 493     _rcp_bg.setRgba32 (nv->pagecolor);
 494     _rcb_canb.setActive (nv->showborder);
 495     _rcb_bord.setActive (nv->borderlayer == SP_BORDER_LAYER_TOP);
 496     _rcp_bord.setRgba32 (nv->bordercolor);
 497     _rcb_shad.setActive (nv->showpageshadow);
 498
 499     if (nv->doc_units)
 500         _rum_deflt.setUnit (nv->doc_units);
 501
 502     double const doc_w_px = sp_document_width(sp_desktop_document(dt));
 503     double const doc_h_px = sp_document_height(sp_desktop_document(dt));
 504     _page_sizer.setDim (doc_w_px, doc_h_px);
 505
 506     //-----------------------------------------------------------guide
 507     _rcb_sgui.setActive (nv->showguides);
 508     _rcp_gui.setRgba32 (nv->guidecolor);
 509     _rcp_hgui.setRgba32 (nv->guidehicolor);
 510
 511     //-----------------------------------------------------------snap
 512
 513     _rcbsnbb.setActive (nv->snap_manager.getSnapModeBBox());
 514     _rcbsnn.setActive (nv->snap_manager.getSnapModeNode());
 515     _rcbsng.setActive (nv->snap_manager.getSnapModeGuide());
 516     _rcbic.setActive (nv->snap_manager.getIncludeItemCenter());
 517     _rcbsigg.setActive (nv->snap_manager.getSnapIntersectionGG());
 518     _rcbsils.setActive (nv->snap_manager.getSnapIntersectionLS());
 519     _rcbsnop.setActive(nv->snap_manager.object.getSnapToItemPath());
 520     _rcbsnon.setActive(nv->snap_manager.object.getSnapToItemNode());
 521     _rcbsnbbp.setActive(nv->snap_manager.object.getSnapToBBoxPath());
 522     _rcbsnbbn.setActive(nv->snap_manager.object.getSnapToBBoxNode());
 523     _rsu_sno.setValue (nv->objecttolerance);
 524
 525     _rsu_sn.setValue (nv->gridtolerance);
 526
 527     _rsu_gusn.setValue (nv->guidetolerance);
 528
 529     _rcbsg.setActive (nv->snap_manager.getSnapEnabledGlobally());
 530
 531     //-----------------------------------------------------------grids page
 532
 533     update_gridspage();
 534
 535     _wr.setUpdating (false);
 536 }
 537
 538 // TODO: copied from fill-and-stroke.cpp factor out into new ui/widget file?
 539 Gtk::HBox&
 540 DocumentProperties::_createPageTabLabel(const Glib::ustring& label, const char *label_image)
 541 {
 542     Gtk::HBox *_tab_label_box = manage(new Gtk::HBox(false, 0));
 543     _tab_label_box->set_spacing(4);
 544     _tab_label_box->pack_start(*Glib::wrap(sp_icon_new(Inkscape::ICON_SIZE_DECORATION,
 545                                                        label_image)));
 546
 547     Gtk::Label *_tab_label = manage(new Gtk::Label(label, true));
 548     _tab_label_box->pack_start(*_tab_label);
 549     _tab_label_box->show_all();
 550
 551     return *_tab_label_box;
 552 }
 553
 554 //--------------------------------------------------------------------
 555
 556 void
 557 DocumentProperties::on_response (int id)
 558 {
 559     if (id == Gtk::RESPONSE_DELETE_EVENT || id == Gtk::RESPONSE_CLOSE)
 560     {
 561         _rcp_bg.closeWindow();
 562         _rcp_bord.closeWindow();
 563         _rcp_gui.closeWindow();
 564         _rcp_hgui.closeWindow();
 565     }
 566
 567     if (id == Gtk::RESPONSE_CLOSE)
 568         hide();
 569 }
 570
 571 void
 572 DocumentProperties::_handleDocumentReplaced(SPDesktop* desktop, SPDocument *document)
 573 {
 574     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
 575     repr->addListener(&_repr_events, this);
 576     Inkscape::XML::Node *root = SP_OBJECT_REPR(document->root);
 577     root->addListener(&_repr_events, this);
 578     update();
 579 }
 580
 581 void
 582 DocumentProperties::_handleActivateDesktop(Inkscape::Application *, SPDesktop *desktop)
 583 {
 584     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
 585     repr->addListener(&_repr_events, this);
 586     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(desktop)->root);
 587     root->addListener(&_repr_events, this);
 588     update();
 589 }
 590
 591 void
 592 DocumentProperties::_handleDeactivateDesktop(Inkscape::Application *, SPDesktop *desktop)
 593 {
 594     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
 595     repr->removeListenerByData(this);
 596     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(desktop)->root);
 597     root->removeListenerByData(this);
 598 }
 599
 600 static void
 601 on_child_added(Inkscape::XML::Node */*repr*/, Inkscape::XML::Node */*child*/, Inkscape::XML::Node */*ref*/, void *data)
 602 {
 603     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
 604         dialog->update_gridspage();
 605 }
 606
 607 static void
 608 on_child_removed(Inkscape::XML::Node */*repr*/, Inkscape::XML::Node */*child*/, Inkscape::XML::Node */*ref*/, void *data)
 609 {
 610     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
 611         dialog->update_gridspage();
 612 }
 613
 614
 615
 616 /**
 617  * Called when XML node attribute changed; updates dialog widgets.
 618  */
 619 static void
 620 on_repr_attr_changed (Inkscape::XML::Node *, gchar const *, gchar const *, gchar const *, bool, gpointer data)
 621 {
 622     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
 623         dialog->update();
 624 }
 625
 626
 627 /*########################################################################
 628 # BUTTON CLICK HANDLERS    (callbacks)
 629 ########################################################################*/
 630
 631 void
 632 DocumentProperties::onNewGrid()
 633 {
 634     SPDesktop *dt = getDesktop();
 635     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(dt));
 636     SPDocument *doc = sp_desktop_document(dt);
 637
 638     Glib::ustring typestring = _grids_combo_gridtype.get_active_text();
 639     CanvasGrid::writeNewGridToRepr(repr, doc, CanvasGrid::getGridTypeFromName(typestring.c_str()));
 640 }
 641
 642
 643 void
 644 DocumentProperties::onRemoveGrid()
 645 {
 646     gint pagenum = _grids_notebook.get_current_page();
 647     if (pagenum == -1) // no pages
 648       return;
 649
 650     Gtk::Widget *page = _grids_notebook.get_nth_page(pagenum);
 651     if (!page) return;
 652
 653     Glib::ustring tabtext = _grids_notebook.get_tab_label_text(*page);
 654
 655     // find the grid with name tabtext (it's id) and delete that one.
 656     SPDesktop *dt = getDesktop();
 657     SPNamedView *nv = sp_desktop_namedview(dt);
 658     Inkscape::CanvasGrid * found_grid = NULL;
 659     for (GSList const * l = nv->grids; l != NULL; l = l->next) {
 660         Inkscape::CanvasGrid * grid = (Inkscape::CanvasGrid*) l->data;
 661         gchar const *idtext = grid->repr->attribute("id");
 662         if ( !strcmp(tabtext.c_str(), idtext) ) {
 663             found_grid = grid;
 664             break; // break out of for-loop
 665         }
 666     }
 667     if (found_grid) {
 668         // delete the grid that corresponds with the selected tab
 669         // when the grid is deleted from SVG, the SPNamedview handler automatically deletes the object, so found_grid becomes an invalid pointer!
 670         found_grid->repr->parent()->removeChild(found_grid->repr);
 671         sp_document_done(sp_desktop_document(dt), SP_VERB_DIALOG_NAMEDVIEW, _("Remove grid"));
 672     }
 673 }
 674
 675
 676 } // namespace Dialog
 677 } // namespace UI
 678 } // namespace Inkscape
 679
 680 /*
 681   Local Variables:
 682   mode:c++
 683   c-file-style:"stroustrup"
 684   c-file-offsets:((innamespace . 0)(inline-open . 0))
 685   indent-tabs-mode:nilu
 686   fill-column:99
 687   End:
 688 */
 689 // vim: filetype=c++:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :