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, true, true), _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                 Gtk::AttachOptions yoptions = (Gtk::AttachOptions)0;
 201                 if (dynamic_cast<Inkscape::UI::Widget::PageSizer*>(arr[i+1])) {
 202                     // only the PageSizer in Document Properties|Page should be stretched vertically
 203                     yoptions = Gtk::FILL|Gtk::EXPAND;
 204                 }
 205                 table.attach(*arr[i+1], 1, 3, r, r+1,
 206                       Gtk::FILL|Gtk::EXPAND, yoptions, 0,0);
 207             }
 208             else if (arr[i])
 209             {
 210                 Gtk::Label& label = reinterpret_cast<Gtk::Label&>(*arr[i]);
 211                 label.set_alignment (0.0);
 212                 table.attach (label, 0, 3, r, r+1,
 213                       Gtk::FILL|Gtk::EXPAND, (Gtk::AttachOptions)0,0,0);
 214             }
 215             else
 216             {
 217                 Gtk::HBox *space = manage (new Gtk::HBox);
 218                 space->set_size_request (SPACE_SIZE_X, SPACE_SIZE_Y);
 219                 table.attach (*space, 0, 1, r, r+1,
 220                       (Gtk::AttachOptions)0, (Gtk::AttachOptions)0,0,0);
 221             }
 222         }
 223         ++r;
 224     }
 225 }
 226
 227 void
 228 DocumentProperties::build_page()
 229 {
 230     _page_page.show();
 231
 232     Gtk::Label* label_gen = manage (new Gtk::Label);
 233     label_gen->set_markup (_("<b>General</b>"));
 234     Gtk::Label* label_bor = manage (new Gtk::Label);
 235     label_bor->set_markup (_("<b>Border</b>"));
 236     Gtk::Label *label_for = manage (new Gtk::Label);
 237     label_for->set_markup (_("<b>Format</b>"));
 238     _page_sizer.init();
 239
 240     Gtk::Widget *const widget_array[] =
 241     {
 242         label_gen,         0,
 243         0,                 &_rum_deflt,
 244         _rcp_bg._label,    &_rcp_bg,
 245         0,                 0,
 246         label_for,         0,
 247         0,                 &_page_sizer,
 248         0,                 0,
 249         label_bor,         0,
 250         0,                 &_rcb_canb,
 251         0,                 &_rcb_bord,
 252         0,                 &_rcb_shad,
 253         _rcp_bord._label,  &_rcp_bord,
 254     };
 255
 256     attach_all(_page_page.table(), widget_array, G_N_ELEMENTS(widget_array));
 257 }
 258
 259 void
 260 DocumentProperties::build_guides()
 261 {
 262     _page_guides.show();
 263
 264     Gtk::Label *label_gui = manage (new Gtk::Label);
 265     label_gui->set_markup (_("<b>Guides</b>"));
 266
 267     Gtk::Widget *const widget_array[] =
 268     {
 269         label_gui,        0,
 270         0,                &_rcb_sgui,
 271         _rcp_gui._label,  &_rcp_gui,
 272         _rcp_hgui._label, &_rcp_hgui,
 273         0,                &_rcbsng,
 274     };
 275
 276     attach_all(_page_guides.table(), widget_array, G_N_ELEMENTS(widget_array));
 277 }
 278
 279 void
 280 DocumentProperties::build_snap()
 281 {
 282     _page_snap.show();
 283
 284     _rsu_sno.init (_("Snap _distance"), _("Snap only when _closer than:"), _("Always snap"),
 285                   _("Snapping distance, in screen pixels, for snapping to objects"), _("Always snap to objects, regardless of their distance"),
 286                   _("If set, objects only snap to another object when it's within the range specified below"),
 287                   "objecttolerance", _wr);
 288
 289     //Options for snapping to grids
 290     _rsu_sn.init (_("Snap d_istance"), _("Snap only when c_loser than:"), _("Always snap"),
 291                   _("Snapping distance, in screen pixels, for snapping to grid"), _("Always snap to grids, regardless of the distance"),
 292                   _("If set, objects only snap to a grid line when it's within the range specified below"),
 293                   "gridtolerance", _wr);
 294
 295     //Options for snapping to guides
 296     _rsu_gusn.init (_("Snap dist_ance"), _("Snap only when close_r than:"), _("Always snap"),
 297                 _("Snapping distance, in screen pixels, for snapping to guides"), _("Always snap to guides, regardless of the distance"),
 298                 _("If set, objects only snap to a guide when it's within the range specified below"),
 299                 "guidetolerance", _wr);
 300
 301     //Other options to locate here: e.g. visual snapping indicators on/off
 302
 303     std::list<Gtk::Widget*> slaves;
 304     slaves.push_back(&_rcbsnop);
 305     slaves.push_back(&_rcbsnon);
 306     _rcbsnn.setSlaveWidgets(slaves);
 307
 308     slaves.clear();
 309     slaves.push_back(&_rcbsnbbp);
 310     slaves.push_back(&_rcbsnbbn);
 311     _rcbsnbb.setSlaveWidgets(slaves);
 312
 313     slaves.clear();
 314     slaves.push_back(&_rcbsnn);
 315     slaves.push_back(&_rcbsnbb);
 316     slaves.push_back(&_rcbsi);
 317
 318     _rcbs.setSlaveWidgets(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,                  &_rcbs,
 335         0,                  &_rcbsi,
 336         0,                  0,
 337         label_w,            0,
 338         0,                  &_rcbsnn,
 339         0,                  &_rcbsnbb,
 340         0,                  0,
 341         label_o,            0,
 342         0,                  &_rcbsnop,
 343         0,                  &_rcbsnon,
 344         0,                  &_rcbsnbbp,
 345         0,                  &_rcbsnbbn,
 346         0,                  &_rcbsnpb,
 347         0,                  _rsu_sno._vbox,
 348         0,                  0,
 349         label_gr,           0,
 350         0,                  _rsu_sn._vbox,
 351         0,                  0,
 352         label_gu,           0,
 353         0,                  _rsu_gusn._vbox
 354     };
 355
 356     attach_all(_page_snap.table(), array, G_N_ELEMENTS(array));
 357  }
 358
 359 void
 360 DocumentProperties::build_snap_dtls()
 361 {
 362     _page_snap_dtls.show();
 363
 364     //Other options to locate here: e.g. visual snapping indicators on/off
 365
 366     Gtk::Label *label_i= manage (new Gtk::Label);
 367     label_i->set_markup (_("<b>Snapping to intersections of</b>"));
 368     Gtk::Label *label_m = manage (new Gtk::Label);
 369     label_m->set_markup (_("<b>Special points to consider</b>"));
 370
 371     Gtk::Widget *const array[] =
 372     {
 373         label_i,            0,
 374         0,                  &_rcbsigg,
 375         0,                  &_rcbsils,
 376         0,                  0,
 377         label_m,            0,
 378         0,                  &_rcbic,
 379     };
 380
 381     attach_all(_page_snap_dtls.table(), array, G_N_ELEMENTS(array));
 382 }
 383
 384 /**
 385 * Called for _updating_ the dialog (e.g. when a new grid was manually added in XML)
 386 */
 387 void
 388 DocumentProperties::update_gridspage()
 389 {
 390     SPDesktop *dt = getDesktop();
 391     SPNamedView *nv = sp_desktop_namedview(dt);
 392
 393     //remove all tabs
 394     while (_grids_notebook.get_n_pages() != 0) {
 395         _grids_notebook.remove_page(-1); // this also deletes the page.
 396     }
 397
 398     //add tabs
 399     bool grids_present = false;
 400     for (GSList const * l = nv->grids; l != NULL; l = l->next) {
 401         Inkscape::CanvasGrid * grid = (Inkscape::CanvasGrid*) l->data;
 402         if (!grid->repr->attribute("id")) continue; // update_gridspage is called again when "id" is added
 403         Glib::ustring name(grid->repr->attribute("id"));
 404         const char *icon = NULL;
 405         switch (grid->getGridType()) {
 406             case GRID_RECTANGULAR:
 407                 icon = INKSCAPE_ICON_GRID_XY;
 408                 break;
 409             case GRID_AXONOMETRIC:
 410                 icon = INKSCAPE_ICON_GRID_AXONOM;
 411                 break;
 412             default:
 413                 break;
 414         }
 415         _grids_notebook.append_page(*grid->newWidget(), _createPageTabLabel(name, icon));
 416         grids_present = true;
 417     }
 418     _grids_notebook.show_all();
 419
 420     if (grids_present)
 421         _grids_button_remove.set_sensitive(true);
 422     else
 423         _grids_button_remove.set_sensitive(false);
 424 }
 425
 426 /**
 427  * Build grid page of dialog.
 428  */
 429 void
 430 DocumentProperties::build_gridspage()
 431 {
 432     /// \todo FIXME: gray out snapping when grid is off.
 433     /// Dissenting view: you want snapping without grid.
 434
 435     SPDesktop *dt = getDesktop();
 436     SPNamedView *nv = sp_desktop_namedview(dt);
 437     (void)nv;
 438
 439     _grids_label_crea.set_markup(_("<b>Creation</b>"));
 440     _grids_label_def.set_markup(_("<b>Defined grids</b>"));
 441     _grids_hbox_crea.pack_start(_grids_combo_gridtype, true, true);
 442     _grids_hbox_crea.pack_start(_grids_button_new, true, true);
 443
 444     for (gint t = 0; t <= GRID_MAXTYPENR; t++) {
 445         _grids_combo_gridtype.append_text( CanvasGrid::getName( (GridType) t ) );
 446     }
 447     _grids_combo_gridtype.set_active_text( CanvasGrid::getName(GRID_RECTANGULAR) );
 448
 449     _grids_space.set_size_request (SPACE_SIZE_X, SPACE_SIZE_Y);
 450
 451     _grids_vbox.set_spacing(4);
 452     _grids_vbox.pack_start(_grids_label_crea, false, false);
 453     _grids_vbox.pack_start(_grids_hbox_crea, false, false);
 454     _grids_vbox.pack_start(_grids_space, false, false);
 455     _grids_vbox.pack_start(_grids_label_def, false, false);
 456     _grids_vbox.pack_start(_grids_notebook, false, false);
 457     _grids_vbox.pack_start(_grids_button_remove, false, false);
 458
 459     update_gridspage();
 460 }
 461
 462
 463
 464 /**
 465  * Update dialog widgets from desktop. Also call updateWidget routines of the grids.
 466  */
 467 void
 468 DocumentProperties::update()
 469 {
 470     if (_wr.isUpdating()) return;
 471
 472     SPDesktop *dt = getDesktop();
 473     SPNamedView *nv = sp_desktop_namedview(dt);
 474
 475     _wr.setUpdating (true);
 476     set_sensitive (true);
 477
 478     //-----------------------------------------------------------page page
 479     _rcp_bg.setRgba32 (nv->pagecolor);
 480     _rcb_canb.setActive (nv->showborder);
 481     _rcb_bord.setActive (nv->borderlayer == SP_BORDER_LAYER_TOP);
 482     _rcp_bord.setRgba32 (nv->bordercolor);
 483     _rcb_shad.setActive (nv->showpageshadow);
 484
 485     if (nv->doc_units)
 486         _rum_deflt.setUnit (nv->doc_units);
 487
 488     double const doc_w_px = sp_document_width(sp_desktop_document(dt));
 489     double const doc_h_px = sp_document_height(sp_desktop_document(dt));
 490     _page_sizer.setDim (doc_w_px, doc_h_px);
 491
 492     //-----------------------------------------------------------guide
 493     _rcb_sgui.setActive (nv->showguides);
 494     _rcp_gui.setRgba32 (nv->guidecolor);
 495     _rcp_hgui.setRgba32 (nv->guidehicolor);
 496
 497     //-----------------------------------------------------------snap
 498
 499     _rcbsnbb.setActive (nv->snap_manager.getSnapModeBBox());
 500     _rcbsnn.setActive (nv->snap_manager.getSnapModeNode());
 501     _rcbsng.setActive (nv->snap_manager.getSnapModeGuide());
 502     _rcbic.setActive (nv->snap_manager.getIncludeItemCenter());
 503     _rcbsigg.setActive (nv->snap_manager.getSnapIntersectionGG());
 504     _rcbsils.setActive (nv->snap_manager.getSnapIntersectionCS());
 505     _rcbsnop.setActive(nv->snap_manager.object.getSnapToItemPath());
 506     _rcbsnon.setActive(nv->snap_manager.object.getSnapToItemNode());
 507     _rcbsnbbp.setActive(nv->snap_manager.object.getSnapToBBoxPath());
 508     _rcbsnbbn.setActive(nv->snap_manager.object.getSnapToBBoxNode());
 509     _rcbsnpb.setActive(nv->snap_manager.object.getSnapToPageBorder());
 510     _rsu_sno.setValue (nv->objecttolerance);
 511
 512     _rsu_sn.setValue (nv->gridtolerance);
 513
 514     _rsu_gusn.setValue (nv->guidetolerance);
 515
 516     _rcbs.setActive (nv->snap_manager.getSnapEnabledGlobally());
 517     _rcbsi.setActive (nv->snapindicator);
 518
 519     //-----------------------------------------------------------grids page
 520
 521     update_gridspage();
 522
 523     _wr.setUpdating (false);
 524 }
 525
 526 // TODO: copied from fill-and-stroke.cpp factor out into new ui/widget file?
 527 Gtk::HBox&
 528 DocumentProperties::_createPageTabLabel(const Glib::ustring& label, const char *label_image)
 529 {
 530     Gtk::HBox *_tab_label_box = manage(new Gtk::HBox(false, 0));
 531     _tab_label_box->set_spacing(4);
 532     _tab_label_box->pack_start(*Glib::wrap(sp_icon_new(Inkscape::ICON_SIZE_DECORATION,
 533                                                        label_image)));
 534
 535     Gtk::Label *_tab_label = manage(new Gtk::Label(label, true));
 536     _tab_label_box->pack_start(*_tab_label);
 537     _tab_label_box->show_all();
 538
 539     return *_tab_label_box;
 540 }
 541
 542 //--------------------------------------------------------------------
 543
 544 void
 545 DocumentProperties::on_response (int id)
 546 {
 547     if (id == Gtk::RESPONSE_DELETE_EVENT || id == Gtk::RESPONSE_CLOSE)
 548     {
 549         _rcp_bg.closeWindow();
 550         _rcp_bord.closeWindow();
 551         _rcp_gui.closeWindow();
 552         _rcp_hgui.closeWindow();
 553     }
 554
 555     if (id == Gtk::RESPONSE_CLOSE)
 556         hide();
 557 }
 558
 559 void
 560 DocumentProperties::_handleDocumentReplaced(SPDesktop* desktop, SPDocument *document)
 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(document->root);
 565     root->addListener(&_repr_events, this);
 566     update();
 567 }
 568
 569 void
 570 DocumentProperties::_handleActivateDesktop(Inkscape::Application *, SPDesktop *desktop)
 571 {
 572     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
 573     repr->addListener(&_repr_events, this);
 574     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(desktop)->root);
 575     root->addListener(&_repr_events, this);
 576     update();
 577 }
 578
 579 void
 580 DocumentProperties::_handleDeactivateDesktop(Inkscape::Application *, SPDesktop *desktop)
 581 {
 582     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(desktop));
 583     repr->removeListenerByData(this);
 584     Inkscape::XML::Node *root = SP_OBJECT_REPR(sp_desktop_document(desktop)->root);
 585     root->removeListenerByData(this);
 586 }
 587
 588 static void
 589 on_child_added(Inkscape::XML::Node */*repr*/, Inkscape::XML::Node */*child*/, Inkscape::XML::Node */*ref*/, void *data)
 590 {
 591     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
 592         dialog->update_gridspage();
 593 }
 594
 595 static void
 596 on_child_removed(Inkscape::XML::Node */*repr*/, Inkscape::XML::Node */*child*/, Inkscape::XML::Node */*ref*/, void *data)
 597 {
 598     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
 599         dialog->update_gridspage();
 600 }
 601
 602
 603
 604 /**
 605  * Called when XML node attribute changed; updates dialog widgets.
 606  */
 607 static void
 608 on_repr_attr_changed (Inkscape::XML::Node *, gchar const *, gchar const *, gchar const *, bool, gpointer data)
 609 {
 610     if (DocumentProperties *dialog = static_cast<DocumentProperties *>(data))
 611         dialog->update();
 612 }
 613
 614
 615 /*########################################################################
 616 # BUTTON CLICK HANDLERS    (callbacks)
 617 ########################################################################*/
 618
 619 void
 620 DocumentProperties::onNewGrid()
 621 {
 622     SPDesktop *dt = getDesktop();
 623     Inkscape::XML::Node *repr = SP_OBJECT_REPR(sp_desktop_namedview(dt));
 624     SPDocument *doc = sp_desktop_document(dt);
 625
 626     Glib::ustring typestring = _grids_combo_gridtype.get_active_text();
 627     CanvasGrid::writeNewGridToRepr(repr, doc, CanvasGrid::getGridTypeFromName(typestring.c_str()));
 628
 629     // toggle grid showing to ON:
 630     dt->showGrids(true);
 631 }
 632
 633
 634 void
 635 DocumentProperties::onRemoveGrid()
 636 {
 637     gint pagenum = _grids_notebook.get_current_page();
 638     if (pagenum == -1) // no pages
 639       return;
 640
 641     SPDesktop *dt = getDesktop();
 642     SPNamedView *nv = sp_desktop_namedview(dt);
 643     Inkscape::CanvasGrid * found_grid = NULL;
 644     int i = 0;
 645     for (GSList const * l = nv->grids; l != NULL; l = l->next, i++) {  // not a very nice fix, but works.
 646         Inkscape::CanvasGrid * grid = (Inkscape::CanvasGrid*) l->data;
 647         if (pagenum == i) {
 648             found_grid = grid;
 649             break; // break out of for-loop
 650         }
 651     }
 652     if (found_grid) {
 653         // delete the grid that corresponds with the selected tab
 654         // when the grid is deleted from SVG, the SPNamedview handler automatically deletes the object, so found_grid becomes an invalid pointer!
 655         found_grid->repr->parent()->removeChild(found_grid->repr);
 656         sp_document_done(sp_desktop_document(dt), SP_VERB_DIALOG_NAMEDVIEW, _("Remove grid"));
 657     }
 658 }
 659
 660
 661 } // namespace Dialog
 662 } // namespace UI
 663 } // namespace Inkscape
 664
 665 /*
 666   Local Variables:
 667   mode:c++
 668   c-file-style:"stroustrup"
 669   c-file-offsets:((innamespace . 0)(inline-open . 0))
 670   indent-tabs-mode:nil
 671   fill-column:99
 672   End:
 673 */
 674 // vim: filetype=c++:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :