src/ui/dialog/align-and-distribute.cpp

   1 /** @file
   2  * @brief Align and Distribute dialog - implementation
   3  */
   4 /* Authors:
   5  *   Bryce W. Harrington <bryce@bryceharrington.org>
   6  *   Aubanel MONNIER <aubi@libertysurf.fr>
   7  *   Frank Felfe <innerspace@iname.com>
   8  *   Lauris Kaplinski <lauris@kaplinski.com>
   9  *   Tim Dwyer <tgdwyer@gmail.com>
  10  *   Jon A. Cruz <jon@joncruz.org>
  11  *   Abhishek Sharma
  12  *
  13  * Copyright (C) 1999-2004, 2005 Authors
  14  *
  15  * Released under GNU GPL.  Read the file 'COPYING' for more information.
  16  */
  17
  18
  19 #ifdef HAVE_CONFIG_H
  20 # include <config.h>
  21 #endif
  22
  23 #include <gtkmm/spinbutton.h>
  24
  25 #include "desktop-handles.h"
  26 #include "unclump.h"
  27 #include "document.h"
  28 #include "enums.h"
  29 #include "graphlayout.h"
  30 #include "inkscape.h"
  31 #include "macros.h"
  32 #include "preferences.h"
  33 #include "removeoverlap.h"
  34 #include "selection.h"
  35 #include "sp-flowtext.h"
  36 #include "sp-item-transform.h"
  37 #include "sp-text.h"
  38 #include "text-editing.h"
  39 #include "tools-switch.h"
  40 #include "ui/icon-names.h"
  41 #include "ui/tool/node-tool.h"
  42 #include "ui/tool/multi-path-manipulator.h"
  43 #include "util/glib-list-iterators.h"
  44 #include "verbs.h"
  45 #include "widgets/icon.h"
  46
  47 #include "align-and-distribute.h"
  48
  49 namespace Inkscape {
  50 namespace UI {
  51 namespace Dialog {
  52
  53 /////////helper classes//////////////////////////////////
  54
  55 class Action {
  56 public :
  57     Action(const Glib::ustring &id,
  58            const Glib::ustring &tiptext,
  59            guint row, guint column,
  60            Gtk::Table &parent,
  61            Gtk::Tooltips &tooltips,
  62            AlignAndDistribute &dialog):
  63         _dialog(dialog),
  64         _id(id),
  65         _parent(parent)
  66     {
  67         Gtk::Widget*  pIcon = Gtk::manage( sp_icon_get_icon( _id, Inkscape::ICON_SIZE_LARGE_TOOLBAR) );
  68         Gtk::Button * pButton = Gtk::manage(new Gtk::Button());
  69         pButton->set_relief(Gtk::RELIEF_NONE);
  70         pIcon->show();
  71         pButton->add(*pIcon);
  72         pButton->show();
  73
  74         pButton->signal_clicked()
  75             .connect(sigc::mem_fun(*this, &Action::on_button_click));
  76         tooltips.set_tip(*pButton, tiptext);
  77         parent.attach(*pButton, column, column+1, row, row+1, Gtk::FILL, Gtk::FILL);
  78     }
  79     virtual ~Action(){}
  80
  81     AlignAndDistribute &_dialog;
  82
  83 private :
  84     virtual void on_button_click(){}
  85
  86     Glib::ustring _id;
  87     Gtk::Table &_parent;
  88 };
  89
  90
  91 class ActionAlign : public Action {
  92 public :
  93     struct Coeffs {
  94        double mx0, mx1, my0, my1;
  95        double sx0, sx1, sy0, sy1;
  96     };
  97     ActionAlign(const Glib::ustring &id,
  98                 const Glib::ustring &tiptext,
  99                 guint row, guint column,
 100                 AlignAndDistribute &dialog,
 101                 guint coeffIndex):
 102         Action(id, tiptext, row, column,
 103                dialog.align_table(), dialog.tooltips(), dialog),
 104         _index(coeffIndex),
 105         _dialog(dialog)
 106     {}
 107
 108 private :
 109
 110     virtual void on_button_click() {
 111         //Retreive selected objects
 112         SPDesktop *desktop = _dialog.getDesktop();
 113         if (!desktop) return;
 114
 115         Inkscape::Selection *selection = sp_desktop_selection(desktop);
 116         if (!selection) return;
 117
 118         Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 119         bool sel_as_group = prefs->getBool("/dialogs/align/sel-as-groups");
 120
 121         using Inkscape::Util::GSListConstIterator;
 122         std::list<SPItem *> selected;
 123         selected.insert<GSListConstIterator<SPItem *> >(selected.end(), selection->itemList(), NULL);
 124         if (selected.empty()) return;
 125
 126         Geom::Point mp; //Anchor point
 127         AlignAndDistribute::AlignTarget target = _dialog.getAlignTarget();
 128         const Coeffs &a= _allCoeffs[_index];
 129         switch (target)
 130         {
 131         case AlignAndDistribute::LAST:
 132         case AlignAndDistribute::FIRST:
 133         case AlignAndDistribute::BIGGEST:
 134         case AlignAndDistribute::SMALLEST:
 135         {
 136             //Check 2 or more selected objects
 137             std::list<SPItem *>::iterator second(selected.begin());
 138             ++second;
 139             if (second == selected.end())
 140                 return;
 141             //Find the master (anchor on which the other objects are aligned)
 142             std::list<SPItem *>::iterator master(
 143                 _dialog.find_master (
 144                     selected,
 145                     (a.mx0 != 0.0) ||
 146                     (a.mx1 != 0.0) )
 147                 );
 148             //remove the master from the selection
 149             SPItem * thing = *master;
 150             // TODO: either uncomment or remove the following commented lines, depending on which
 151             //       behaviour of moving objects makes most sense; also cf. discussion at
 152             //       https://bugs.launchpad.net/inkscape/+bug/255933
 153             /*if (!sel_as_group) { */
 154                 selected.erase(master);
 155             /*}*/
 156             //Compute the anchor point
 157             Geom::OptRect b = thing->getBboxDesktop ();
 158             if (b) {
 159                 mp = Geom::Point(a.mx0 * b->min()[Geom::X] + a.mx1 * b->max()[Geom::X],
 160                                a.my0 * b->min()[Geom::Y] + a.my1 * b->max()[Geom::Y]);
 161             } else {
 162                 return;
 163             }
 164             break;
 165         }
 166
 167         case AlignAndDistribute::PAGE:
 168             mp = Geom::Point(a.mx1 * sp_desktop_document(desktop)->getWidth(),
 169                            a.my1 * sp_desktop_document(desktop)->getHeight());
 170             break;
 171
 172         case AlignAndDistribute::DRAWING:
 173         {
 174             Geom::OptRect b = static_cast<SPItem *>( sp_desktop_document(desktop)->getRoot() )->getBboxDesktop();
 175             if (b) {
 176                 mp = Geom::Point(a.mx0 * b->min()[Geom::X] + a.mx1 * b->max()[Geom::X],
 177                                a.my0 * b->min()[Geom::Y] + a.my1 * b->max()[Geom::Y]);
 178             } else {
 179                 return;
 180             }
 181             break;
 182         }
 183
 184         case AlignAndDistribute::SELECTION:
 185         {
 186             Geom::OptRect b =  selection->bounds();
 187             if (b) {
 188                 mp = Geom::Point(a.mx0 * b->min()[Geom::X] + a.mx1 * b->max()[Geom::X],
 189                                a.my0 * b->min()[Geom::Y] + a.my1 * b->max()[Geom::Y]);
 190             } else {
 191                 return;
 192             }
 193             break;
 194         }
 195
 196         default:
 197             g_assert_not_reached ();
 198             break;
 199         };  // end of switch
 200
 201         // Top hack: temporarily set clone compensation to unmoved, so that we can align/distribute
 202         // clones with their original (and the move of the original does not disturb the
 203         // clones). The only problem with this is that if there are outside-of-selection clones of
 204         // a selected original, they will be unmoved too, possibly contrary to user's
 205         // expecation. However this is a minor point compared to making align/distribute always
 206         // work as expected, and "unmoved" is the default option anyway.
 207         int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
 208         prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
 209
 210         bool changed = false;
 211         Geom::OptRect b;
 212         if (sel_as_group)
 213             b = selection->bounds();
 214
 215         //Move each item in the selected list separately
 216         for (std::list<SPItem *>::iterator it(selected.begin());
 217              it != selected.end();
 218              it++)
 219         {
 220             sp_desktop_document (desktop)->ensureUpToDate();
 221             if (!sel_as_group)
 222                 b = (*it)->getBboxDesktop();
 223             if (b) {
 224                 Geom::Point const sp(a.sx0 * b->min()[Geom::X] + a.sx1 * b->max()[Geom::X],
 225                                      a.sy0 * b->min()[Geom::Y] + a.sy1 * b->max()[Geom::Y]);
 226                 Geom::Point const mp_rel( mp - sp );
 227                 if (LInfty(mp_rel) > 1e-9) {
 228                     sp_item_move_rel(*it, Geom::Translate(mp_rel));
 229                     changed = true;
 230                 }
 231             }
 232         }
 233
 234         // restore compensation setting
 235         prefs->setInt("/options/clonecompensation/value", saved_compensation);
 236
 237         if (changed) {
 238             DocumentUndo::done( sp_desktop_document(desktop) , SP_VERB_DIALOG_ALIGN_DISTRIBUTE,
 239                                 _("Align"));
 240         }
 241
 242
 243     }
 244     guint _index;
 245     AlignAndDistribute &_dialog;
 246
 247     static const Coeffs _allCoeffs[10];
 248
 249 };
 250 ActionAlign::Coeffs const ActionAlign::_allCoeffs[10] = {
 251     {1., 0., 0., 0., 0., 1., 0., 0.},
 252     {1., 0., 0., 0., 1., 0., 0., 0.},
 253     {.5, .5, 0., 0., .5, .5, 0., 0.},
 254     {0., 1., 0., 0., 0., 1., 0., 0.},
 255     {0., 1., 0., 0., 1., 0., 0., 0.},
 256     {0., 0., 0., 1., 0., 0., 1., 0.},
 257     {0., 0., 0., 1., 0., 0., 0., 1.},
 258     {0., 0., .5, .5, 0., 0., .5, .5},
 259     {0., 0., 1., 0., 0., 0., 1., 0.},
 260     {0., 0., 1., 0., 0., 0., 0., 1.}
 261 };
 262
 263 BBoxSort::BBoxSort(SPItem *pItem, Geom::Rect bounds, Geom::Dim2 orientation, double kBegin, double kEnd) :
 264         item(pItem),
 265         bbox (bounds)
 266 {
 267         anchor = kBegin * bbox.min()[orientation] + kEnd * bbox.max()[orientation];
 268 }
 269 BBoxSort::BBoxSort(const BBoxSort &rhs) :
 270         //NOTE :  this copy ctor is called O(sort) when sorting the vector
 271         //this is bad. The vector should be a vector of pointers.
 272         //But I'll wait the bohem GC before doing that
 273         item(rhs.item), anchor(rhs.anchor), bbox(rhs.bbox)
 274 {
 275 }
 276
 277 bool operator< (const BBoxSort &a, const BBoxSort &b)
 278 {
 279     return (a.anchor < b.anchor);
 280 }
 281
 282 class ActionDistribute : public Action {
 283 public :
 284     ActionDistribute(const Glib::ustring &id,
 285                      const Glib::ustring &tiptext,
 286                      guint row, guint column,
 287                      AlignAndDistribute &dialog,
 288                      bool onInterSpace,
 289                      Geom::Dim2 orientation,
 290                      double kBegin, double kEnd
 291         ):
 292         Action(id, tiptext, row, column,
 293                dialog.distribute_table(), dialog.tooltips(), dialog),
 294         _dialog(dialog),
 295         _onInterSpace(onInterSpace),
 296         _orientation(orientation),
 297         _kBegin(kBegin),
 298         _kEnd( kEnd)
 299     {}
 300
 301 private :
 302     virtual void on_button_click() {
 303         //Retreive selected objects
 304         SPDesktop *desktop = _dialog.getDesktop();
 305         if (!desktop) return;
 306
 307         Inkscape::Selection *selection = sp_desktop_selection(desktop);
 308         if (!selection) return;
 309
 310         using Inkscape::Util::GSListConstIterator;
 311         std::list<SPItem *> selected;
 312         selected.insert<GSListConstIterator<SPItem *> >(selected.end(), selection->itemList(), NULL);
 313         if (selected.empty()) return;
 314
 315         //Check 2 or more selected objects
 316         std::list<SPItem *>::iterator second(selected.begin());
 317         ++second;
 318         if (second == selected.end()) return;
 319
 320
 321         std::vector< BBoxSort  > sorted;
 322         for (std::list<SPItem *>::iterator it(selected.begin());
 323             it != selected.end();
 324             ++it)
 325         {
 326             Geom::OptRect bbox = (*it)->getBboxDesktop();
 327             if (bbox) {
 328                 sorted.push_back(BBoxSort(*it, *bbox, _orientation, _kBegin, _kEnd));
 329             }
 330         }
 331         //sort bbox by anchors
 332         std::sort(sorted.begin(), sorted.end());
 333
 334         // see comment in ActionAlign above
 335         Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 336         int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
 337         prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
 338
 339         unsigned int len = sorted.size();
 340         bool changed = false;
 341         if (_onInterSpace)
 342         {
 343             //overall bboxes span
 344             float dist = (sorted.back().bbox.max()[_orientation] -
 345                           sorted.front().bbox.min()[_orientation]);
 346             //space eaten by bboxes
 347             float span = 0;
 348             for (unsigned int i = 0; i < len; i++)
 349             {
 350                 span += sorted[i].bbox[_orientation].extent();
 351             }
 352             //new distance between each bbox
 353             float step = (dist - span) / (len - 1);
 354             float pos = sorted.front().bbox.min()[_orientation];
 355             for ( std::vector<BBoxSort> ::iterator it (sorted.begin());
 356                   it < sorted.end();
 357                   it ++ )
 358             {
 359                 if (!NR_DF_TEST_CLOSE (pos, it->bbox.min()[_orientation], 1e-6)) {
 360                     Geom::Point t(0.0, 0.0);
 361                     t[_orientation] = pos - it->bbox.min()[_orientation];
 362                     sp_item_move_rel(it->item, Geom::Translate(t));
 363                     changed = true;
 364                 }
 365                 pos += it->bbox[_orientation].extent();
 366                 pos += step;
 367             }
 368         }
 369         else
 370         {
 371             //overall anchor span
 372             float dist = sorted.back().anchor - sorted.front().anchor;
 373             //distance between anchors
 374             float step = dist / (len - 1);
 375
 376             for ( unsigned int i = 0; i < len ; i ++ )
 377             {
 378                 BBoxSort & it(sorted[i]);
 379                 //new anchor position
 380                 float pos = sorted.front().anchor + i * step;
 381                 //Don't move if we are really close
 382                 if (!NR_DF_TEST_CLOSE (pos, it.anchor, 1e-6)) {
 383                     //Compute translation
 384                     Geom::Point t(0.0, 0.0);
 385                     t[_orientation] = pos - it.anchor;
 386                     //translate
 387                     sp_item_move_rel(it.item, Geom::Translate(t));
 388                     changed = true;
 389                 }
 390             }
 391         }
 392
 393         // restore compensation setting
 394         prefs->setInt("/options/clonecompensation/value", saved_compensation);
 395
 396         if (changed) {
 397             DocumentUndo::done( sp_desktop_document(desktop), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,
 398                                 _("Distribute"));
 399         }
 400     }
 401     guint _index;
 402     AlignAndDistribute &_dialog;
 403     bool _onInterSpace;
 404     Geom::Dim2 _orientation;
 405
 406     double _kBegin;
 407     double _kEnd;
 408
 409 };
 410
 411
 412 class ActionNode : public Action {
 413 public :
 414     ActionNode(const Glib::ustring &id,
 415                const Glib::ustring &tiptext,
 416                guint column,
 417                AlignAndDistribute &dialog,
 418                Geom::Dim2 orientation, bool distribute):
 419         Action(id, tiptext, 0, column,
 420                dialog.nodes_table(), dialog.tooltips(), dialog),
 421         _orientation(orientation),
 422         _distribute(distribute)
 423     {}
 424
 425 private :
 426     Geom::Dim2 _orientation;
 427     bool _distribute;
 428     virtual void on_button_click()
 429     {
 430
 431         if (!_dialog.getDesktop()) return;
 432         SPEventContext *event_context = sp_desktop_event_context(_dialog.getDesktop());
 433         if (!INK_IS_NODE_TOOL (event_context)) return;
 434         InkNodeTool *nt = INK_NODE_TOOL(event_context);
 435
 436         if (_distribute)
 437             nt->_multipath->distributeNodes(_orientation);
 438         else
 439             nt->_multipath->alignNodes(_orientation);
 440
 441     }
 442 };
 443
 444 class ActionRemoveOverlaps : public Action {
 445 private:
 446     Gtk::Label removeOverlapXGapLabel;
 447     Gtk::Label removeOverlapYGapLabel;
 448     Gtk::SpinButton removeOverlapXGap;
 449     Gtk::SpinButton removeOverlapYGap;
 450
 451 public:
 452     ActionRemoveOverlaps(Glib::ustring const &id,
 453                          Glib::ustring const &tiptext,
 454                          guint row,
 455                          guint column,
 456                          AlignAndDistribute &dialog) :
 457         Action(id, tiptext, row, column + 4,
 458                dialog.removeOverlap_table(), dialog.tooltips(), dialog)
 459     {
 460         dialog.removeOverlap_table().set_col_spacings(3);
 461
 462         removeOverlapXGap.set_digits(1);
 463         removeOverlapXGap.set_size_request(60, -1);
 464         removeOverlapXGap.set_increments(1.0, 0);
 465         removeOverlapXGap.set_range(-1000.0, 1000.0);
 466         removeOverlapXGap.set_value(0);
 467         dialog.tooltips().set_tip(removeOverlapXGap,
 468                                   _("Minimum horizontal gap (in px units) between bounding boxes"));
 469         //TRANSLATORS: "H:" stands for horizontal gap
 470         removeOverlapXGapLabel.set_label(C_("Gap", "H:"));
 471
 472         removeOverlapYGap.set_digits(1);
 473         removeOverlapYGap.set_size_request(60, -1);
 474         removeOverlapYGap.set_increments(1.0, 0);
 475         removeOverlapYGap.set_range(-1000.0, 1000.0);
 476         removeOverlapYGap.set_value(0);
 477         dialog.tooltips().set_tip(removeOverlapYGap,
 478                                   _("Minimum vertical gap (in px units) between bounding boxes"));
 479         /* TRANSLATORS: Vertical gap */
 480         removeOverlapYGapLabel.set_label(C_("Gap", "V:"));
 481
 482         dialog.removeOverlap_table().attach(removeOverlapXGapLabel, column, column+1, row, row+1, Gtk::FILL, Gtk::FILL);
 483         dialog.removeOverlap_table().attach(removeOverlapXGap, column+1, column+2, row, row+1, Gtk::FILL, Gtk::FILL);
 484         dialog.removeOverlap_table().attach(removeOverlapYGapLabel, column+2, column+3, row, row+1, Gtk::FILL, Gtk::FILL);
 485         dialog.removeOverlap_table().attach(removeOverlapYGap, column+3, column+4, row, row+1, Gtk::FILL, Gtk::FILL);
 486
 487     }
 488
 489 private :
 490     virtual void on_button_click()
 491     {
 492         if (!_dialog.getDesktop()) return;
 493
 494         // see comment in ActionAlign above
 495         Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 496         int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
 497         prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
 498
 499         // xGap and yGap are the minimum space required between bounding rectangles.
 500         double const xGap = removeOverlapXGap.get_value();
 501         double const yGap = removeOverlapYGap.get_value();
 502         removeoverlap(sp_desktop_selection(_dialog.getDesktop())->itemList(),
 503                       xGap, yGap);
 504
 505         // restore compensation setting
 506         prefs->setInt("/options/clonecompensation/value", saved_compensation);
 507
 508         DocumentUndo::done(sp_desktop_document(_dialog.getDesktop()), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,
 509                            _("Remove overlaps"));
 510     }
 511 };
 512
 513 class ActionGraphLayout : public Action {
 514 public:
 515     ActionGraphLayout(Glib::ustring const &id,
 516                          Glib::ustring const &tiptext,
 517                          guint row,
 518                          guint column,
 519                          AlignAndDistribute &dialog) :
 520         Action(id, tiptext, row, column,
 521                dialog.rearrange_table(), dialog.tooltips(), dialog)
 522     {}
 523
 524 private :
 525     virtual void on_button_click()
 526     {
 527         if (!_dialog.getDesktop()) return;
 528
 529         // see comment in ActionAlign above
 530         Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 531         int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
 532         prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
 533
 534         graphlayout(sp_desktop_selection(_dialog.getDesktop())->itemList());
 535
 536         // restore compensation setting
 537         prefs->setInt("/options/clonecompensation/value", saved_compensation);
 538
 539         DocumentUndo::done(sp_desktop_document(_dialog.getDesktop()), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,
 540                            _("Arrange connector network"));
 541     }
 542 };
 543
 544 class ActionExchangePositions : public Action {
 545 public:
 546     enum SortOrder {
 547         None,
 548         ZOrder,
 549         Clockwise
 550     };
 551
 552     ActionExchangePositions(Glib::ustring const &id,
 553                          Glib::ustring const &tiptext,
 554                          guint row,
 555                          guint column,
 556                          AlignAndDistribute &dialog, SortOrder order = None) :
 557         Action(id, tiptext, row, column,
 558                dialog.rearrange_table(), dialog.tooltips(), dialog),
 559         sortOrder(order)
 560     {};
 561
 562
 563 private :
 564     const SortOrder sortOrder;
 565     static boost::optional<Geom::Point> center;
 566
 567     static bool sort_compare(const SPItem * a,const SPItem * b) {
 568         if (a == NULL) return false;
 569         if (b == NULL) return true;
 570         if (center) {
 571             Geom::Point point_a = a->getCenter() - (*center);
 572             Geom::Point point_b = b->getCenter() - (*center);
 573             // First criteria: Sort according to the angle to the center point
 574             double angle_a = atan2(double(point_a[Geom::Y]), double(point_a[Geom::X]));
 575             double angle_b = atan2(double(point_b[Geom::Y]), double(point_b[Geom::X]));
 576             if (angle_a != angle_b) return (angle_a < angle_b);
 577             // Second criteria: Sort according to the distance the center point
 578             Geom::Coord length_a = point_a.length();
 579             Geom::Coord length_b = point_b.length();
 580             if (length_a != length_b) return (length_a > length_b);
 581         }
 582         // Last criteria: Sort according to the z-coordinate
 583         return (a->isSiblingOf(b));
 584     }
 585
 586     virtual void on_button_click()
 587     {
 588         SPDesktop *desktop = _dialog.getDesktop();
 589         if (!desktop) return;
 590
 591         Inkscape::Selection *selection = sp_desktop_selection(desktop);
 592         if (!selection) return;
 593
 594         using Inkscape::Util::GSListConstIterator;
 595         std::list<SPItem *> selected;
 596         selected.insert<GSListConstIterator<SPItem *> >(selected.end(), selection->itemList(), NULL);
 597         if (selected.empty()) return;
 598
 599         //Check 2 or more selected objects
 600         if (selected.size() < 2) return;
 601
 602         // see comment in ActionAlign above
 603         Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 604         int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
 605         prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
 606
 607         // sort the list
 608         if (sortOrder != None) {
 609                 if (sortOrder == Clockwise) {
 610                         center = selection->center();
 611                 } else { // sorting by ZOrder is outomatically done by not setting the center
 612                         center.reset();
 613                 }
 614                 selected.sort(ActionExchangePositions::sort_compare);
 615         }
 616         std::list<SPItem *>::iterator it(selected.begin());
 617         Geom::Point p1 =  (*it)->getCenter();
 618         for (++it ;it != selected.end(); ++it)
 619         {
 620                 Geom::Point p2 = (*it)->getCenter();
 621                 Geom::Point delta = p1 - p2;
 622                 sp_item_move_rel((*it),Geom::Translate(delta[Geom::X],delta[Geom::Y] ));
 623                 p1 = p2;
 624         }
 625         Geom::Point p2 = selected.front()->getCenter();
 626         Geom::Point delta = p1 - p2;
 627         sp_item_move_rel(selected.front(),Geom::Translate(delta[Geom::X],delta[Geom::Y] ));
 628
 629         // restore compensation setting
 630         prefs->setInt("/options/clonecompensation/value", saved_compensation);
 631
 632         DocumentUndo::done(sp_desktop_document(_dialog.getDesktop()), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,
 633                            _("Exchange Positions"));
 634     }
 635 };
 636
 637 // instantiae the private static member
 638 boost::optional<Geom::Point> ActionExchangePositions::center;
 639
 640 class ActionUnclump : public Action {
 641 public :
 642     ActionUnclump(const Glib::ustring &id,
 643                const Glib::ustring &tiptext,
 644                guint row,
 645                guint column,
 646                AlignAndDistribute &dialog):
 647         Action(id, tiptext, row, column,
 648                dialog.rearrange_table(), dialog.tooltips(), dialog)
 649     {}
 650
 651 private :
 652     virtual void on_button_click()
 653     {
 654         if (!_dialog.getDesktop()) return;
 655
 656         // see comment in ActionAlign above
 657         Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 658         int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
 659         prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
 660
 661         unclump ((GSList *) sp_desktop_selection(_dialog.getDesktop())->itemList());
 662
 663         // restore compensation setting
 664         prefs->setInt("/options/clonecompensation/value", saved_compensation);
 665
 666         DocumentUndo::done(sp_desktop_document(_dialog.getDesktop()), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,
 667                            _("Unclump"));
 668     }
 669 };
 670
 671 class ActionRandomize : public Action {
 672 public :
 673     ActionRandomize(const Glib::ustring &id,
 674                const Glib::ustring &tiptext,
 675                guint row,
 676                guint column,
 677                AlignAndDistribute &dialog):
 678         Action(id, tiptext, row, column,
 679                dialog.rearrange_table(), dialog.tooltips(), dialog)
 680     {}
 681
 682 private :
 683     virtual void on_button_click()
 684     {
 685         SPDesktop *desktop = _dialog.getDesktop();
 686         if (!desktop) return;
 687
 688         Inkscape::Selection *selection = sp_desktop_selection(desktop);
 689         if (!selection) return;
 690
 691         using Inkscape::Util::GSListConstIterator;
 692         std::list<SPItem *> selected;
 693         selected.insert<GSListConstIterator<SPItem *> >(selected.end(), selection->itemList(), NULL);
 694         if (selected.empty()) return;
 695
 696         //Check 2 or more selected objects
 697         if (selected.size() < 2) return;
 698
 699         Geom::OptRect sel_bbox = selection->bounds();
 700         if (!sel_bbox) {
 701             return;
 702         }
 703
 704         // This bbox is cached between calls to randomize, so that there's no growth nor shrink
 705         // nor drift on sequential randomizations. Discard cache on global (or better active
 706         // desktop's) selection_change signal.
 707         if (!_dialog.randomize_bbox) {
 708             _dialog.randomize_bbox = *sel_bbox;
 709         }
 710
 711         // see comment in ActionAlign above
 712         Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 713         int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
 714         prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);
 715
 716         for (std::list<SPItem *>::iterator it(selected.begin());
 717             it != selected.end();
 718             ++it)
 719         {
 720             sp_desktop_document (desktop)->ensureUpToDate();
 721             Geom::OptRect item_box = (*it)->getBboxDesktop ();
 722             if (item_box) {
 723                 // find new center, staying within bbox
 724                 double x = _dialog.randomize_bbox->min()[Geom::X] + (*item_box)[Geom::X].extent() /2 +
 725                     g_random_double_range (0, (*_dialog.randomize_bbox)[Geom::X].extent() - (*item_box)[Geom::X].extent());
 726                 double y = _dialog.randomize_bbox->min()[Geom::Y] + (*item_box)[Geom::Y].extent()/2 +
 727                     g_random_double_range (0, (*_dialog.randomize_bbox)[Geom::Y].extent() - (*item_box)[Geom::Y].extent());
 728                 // displacement is the new center minus old:
 729                 Geom::Point t = Geom::Point (x, y) - 0.5*(item_box->max() + item_box->min());
 730                 sp_item_move_rel(*it, Geom::Translate(t));
 731             }
 732         }
 733
 734         // restore compensation setting
 735         prefs->setInt("/options/clonecompensation/value", saved_compensation);
 736
 737         DocumentUndo::done(sp_desktop_document(desktop), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,
 738                            _("Randomize positions"));
 739     }
 740 };
 741
 742 struct Baselines
 743 {
 744     SPItem *_item;
 745     Geom::Point _base;
 746     Geom::Dim2 _orientation;
 747     Baselines(SPItem *item, Geom::Point base, Geom::Dim2 orientation) :
 748         _item (item),
 749         _base (base),
 750         _orientation (orientation)
 751     {}
 752 };
 753
 754 bool operator< (const Baselines &a, const Baselines &b)
 755 {
 756     return (a._base[a._orientation] < b._base[b._orientation]);
 757 }
 758
 759 class ActionBaseline : public Action {
 760 public :
 761     ActionBaseline(const Glib::ustring &id,
 762                const Glib::ustring &tiptext,
 763                guint row,
 764                guint column,
 765                AlignAndDistribute &dialog,
 766                Gtk::Table &table,
 767                Geom::Dim2 orientation, bool distribute):
 768         Action(id, tiptext, row, column,
 769                table, dialog.tooltips(), dialog),
 770         _orientation(orientation),
 771         _distribute(distribute)
 772     {}
 773
 774 private :
 775     Geom::Dim2 _orientation;
 776     bool _distribute;
 777     virtual void on_button_click()
 778     {
 779         SPDesktop *desktop = _dialog.getDesktop();
 780         if (!desktop) return;
 781
 782         Inkscape::Selection *selection = sp_desktop_selection(desktop);
 783         if (!selection) return;
 784
 785         using Inkscape::Util::GSListConstIterator;
 786         std::list<SPItem *> selected;
 787         selected.insert<GSListConstIterator<SPItem *> >(selected.end(), selection->itemList(), NULL);
 788         if (selected.empty()) return;
 789
 790         //Check 2 or more selected objects
 791         if (selected.size() < 2) return;
 792
 793         Geom::Point b_min = Geom::Point (HUGE_VAL, HUGE_VAL);
 794         Geom::Point b_max = Geom::Point (-HUGE_VAL, -HUGE_VAL);
 795
 796         std::vector<Baselines> sorted;
 797
 798         for (std::list<SPItem *>::iterator it(selected.begin());
 799             it != selected.end();
 800             ++it)
 801         {
 802             if (SP_IS_TEXT (*it) || SP_IS_FLOWTEXT (*it)) {
 803                 Inkscape::Text::Layout const *layout = te_get_layout(*it);
 804                 boost::optional<Geom::Point> pt = layout->baselineAnchorPoint();
 805                 if (pt) {
 806                     Geom::Point base = *pt * (*it)->i2d_affine();
 807                     if (base[Geom::X] < b_min[Geom::X]) b_min[Geom::X] = base[Geom::X];
 808                     if (base[Geom::Y] < b_min[Geom::Y]) b_min[Geom::Y] = base[Geom::Y];
 809                     if (base[Geom::X] > b_max[Geom::X]) b_max[Geom::X] = base[Geom::X];
 810                     if (base[Geom::Y] > b_max[Geom::Y]) b_max[Geom::Y] = base[Geom::Y];
 811                     Baselines b (*it, base, _orientation);
 812                     sorted.push_back(b);
 813                 }
 814             }
 815         }
 816
 817         if (sorted.size() <= 1) return;
 818
 819         //sort baselines
 820         std::sort(sorted.begin(), sorted.end());
 821
 822         bool changed = false;
 823
 824         if (_distribute) {
 825             double step = (b_max[_orientation] - b_min[_orientation])/(sorted.size() - 1);
 826             for (unsigned int i = 0; i < sorted.size(); i++) {
 827                 SPItem *item = sorted[i]._item;
 828                 Geom::Point base = sorted[i]._base;
 829                 Geom::Point t(0.0, 0.0);
 830                 t[_orientation] = b_min[_orientation] + step * i - base[_orientation];
 831                 sp_item_move_rel(item, Geom::Translate(t));
 832                 changed = true;
 833             }
 834
 835             if (changed) {
 836                 DocumentUndo::done(sp_desktop_document(desktop), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,
 837                                     _("Distribute text baselines"));
 838             }
 839
 840         } else {
 841             for (std::list<SPItem *>::iterator it(selected.begin());
 842                  it != selected.end();
 843                  ++it)
 844             {
 845                 if (SP_IS_TEXT (*it) || SP_IS_FLOWTEXT (*it)) {
 846                     Inkscape::Text::Layout const *layout = te_get_layout(*it);
 847                     boost::optional<Geom::Point> pt = layout->baselineAnchorPoint();
 848                     if (pt) {
 849                         Geom::Point base = *pt * (*it)->i2d_affine();
 850                         Geom::Point t(0.0, 0.0);
 851                         t[_orientation] = b_min[_orientation] - base[_orientation];
 852                         sp_item_move_rel(*it, Geom::Translate(t));
 853                         changed = true;
 854                     }
 855                 }
 856             }
 857
 858             if (changed) {
 859                 DocumentUndo::done(sp_desktop_document(desktop), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,
 860                                    _("Align text baselines"));
 861             }
 862         }
 863     }
 864 };
 865
 866
 867
 868 void on_tool_changed(Inkscape::Application */*inkscape*/, SPEventContext */*context*/, AlignAndDistribute *daad)
 869 {
 870     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 871     if (desktop && sp_desktop_event_context(desktop))
 872         daad->setMode(tools_active(desktop) == TOOLS_NODES);
 873 }
 874
 875 void on_selection_changed(Inkscape::Application */*inkscape*/, Inkscape::Selection */*selection*/, AlignAndDistribute *daad)
 876 {
 877     daad->randomize_bbox = Geom::OptRect();
 878 }
 879
 880 /////////////////////////////////////////////////////////
 881
 882
 883
 884
 885 AlignAndDistribute::AlignAndDistribute()
 886     : UI::Widget::Panel ("", "/dialogs/align", SP_VERB_DIALOG_ALIGN_DISTRIBUTE),
 887       randomize_bbox(),
 888       _alignFrame(_("Align")),
 889       _distributeFrame(_("Distribute")),
 890       _rearrangeFrame(_("Rearrange")),
 891       _removeOverlapFrame(_("Remove overlaps")),
 892       _nodesFrame(_("Nodes")),
 893       _alignTable(2, 6, true),
 894       _distributeTable(2, 6, true),
 895       _rearrangeTable(1, 5, false),
 896       _removeOverlapTable(1, 5, false),
 897       _nodesTable(1, 4, true),
 898       _anchorLabel(_("Relative to: ")),
 899       _selgrpLabel(_("Treat selection as group: "))
 900 {
 901     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 902
 903     //Instanciate the align buttons
 904     addAlignButton(INKSCAPE_ICON_ALIGN_HORIZONTAL_RIGHT_TO_ANCHOR,
 905                    _("Align right edges of objects to the left edge of the anchor"),
 906                    0, 0);
 907     addAlignButton(INKSCAPE_ICON_ALIGN_HORIZONTAL_LEFT,
 908                    _("Align left edges"),
 909                    0, 1);
 910     addAlignButton(INKSCAPE_ICON_ALIGN_HORIZONTAL_CENTER,
 911                    _("Center on vertical axis"),
 912                    0, 2);
 913     addAlignButton(INKSCAPE_ICON_ALIGN_HORIZONTAL_RIGHT,
 914                    _("Align right sides"),
 915                    0, 3);
 916     addAlignButton(INKSCAPE_ICON_ALIGN_HORIZONTAL_LEFT_TO_ANCHOR,
 917                    _("Align left edges of objects to the right edge of the anchor"),
 918                    0, 4);
 919     addAlignButton(INKSCAPE_ICON_ALIGN_VERTICAL_BOTTOM_TO_ANCHOR,
 920                    _("Align bottom edges of objects to the top edge of the anchor"),
 921                    1, 0);
 922     addAlignButton(INKSCAPE_ICON_ALIGN_VERTICAL_TOP,
 923                    _("Align top edges"),
 924                    1, 1);
 925     addAlignButton(INKSCAPE_ICON_ALIGN_VERTICAL_CENTER,
 926                    _("Center on horizontal axis"),
 927                    1, 2);
 928     addAlignButton(INKSCAPE_ICON_ALIGN_VERTICAL_BOTTOM,
 929                    _("Align bottom edges"),
 930                    1, 3);
 931     addAlignButton(INKSCAPE_ICON_ALIGN_VERTICAL_TOP_TO_ANCHOR,
 932                    _("Align top edges of objects to the bottom edge of the anchor"),
 933                    1, 4);
 934
 935     //Baseline aligns
 936     addBaselineButton(INKSCAPE_ICON_ALIGN_HORIZONTAL_BASELINE,
 937                    _("Align baseline anchors of texts horizontally"),
 938                       0, 5, this->align_table(), Geom::X, false);
 939     addBaselineButton(INKSCAPE_ICON_ALIGN_VERTICAL_BASELINE,
 940                    _("Align baselines of texts"),
 941                      1, 5, this->align_table(), Geom::Y, false);
 942
 943     //The distribute buttons
 944     addDistributeButton(INKSCAPE_ICON_DISTRIBUTE_HORIZONTAL_GAPS,
 945                         _("Make horizontal gaps between objects equal"),
 946                         0, 4, true, Geom::X, .5, .5);
 947
 948     addDistributeButton(INKSCAPE_ICON_DISTRIBUTE_HORIZONTAL_LEFT,
 949                         _("Distribute left edges equidistantly"),
 950                         0, 1, false, Geom::X, 1., 0.);
 951     addDistributeButton(INKSCAPE_ICON_DISTRIBUTE_HORIZONTAL_CENTER,
 952                         _("Distribute centers equidistantly horizontally"),
 953                         0, 2, false, Geom::X, .5, .5);
 954     addDistributeButton(INKSCAPE_ICON_DISTRIBUTE_HORIZONTAL_RIGHT,
 955                         _("Distribute right edges equidistantly"),
 956                         0, 3, false, Geom::X, 0., 1.);
 957
 958     addDistributeButton(INKSCAPE_ICON_DISTRIBUTE_VERTICAL_GAPS,
 959                         _("Make vertical gaps between objects equal"),
 960                         1, 4, true, Geom::Y, .5, .5);
 961
 962     addDistributeButton(INKSCAPE_ICON_DISTRIBUTE_VERTICAL_TOP,
 963                         _("Distribute top edges equidistantly"),
 964                         1, 1, false, Geom::Y, 0, 1);
 965     addDistributeButton(INKSCAPE_ICON_DISTRIBUTE_VERTICAL_CENTER,
 966                         _("Distribute centers equidistantly vertically"),
 967                         1, 2, false, Geom::Y, .5, .5);
 968     addDistributeButton(INKSCAPE_ICON_DISTRIBUTE_VERTICAL_BOTTOM,
 969                         _("Distribute bottom edges equidistantly"),
 970                         1, 3, false, Geom::Y, 1., 0.);
 971
 972     //Baseline distribs
 973     addBaselineButton(INKSCAPE_ICON_DISTRIBUTE_HORIZONTAL_BASELINE,
 974                    _("Distribute baseline anchors of texts horizontally"),
 975                       0, 5, this->distribute_table(), Geom::X, true);
 976     addBaselineButton(INKSCAPE_ICON_DISTRIBUTE_VERTICAL_BASELINE,
 977                    _("Distribute baselines of texts vertically"),
 978                      1, 5, this->distribute_table(), Geom::Y, true);
 979
 980     // Rearrange
 981     //Graph Layout
 982     addGraphLayoutButton(INKSCAPE_ICON_DISTRIBUTE_GRAPH,
 983                             _("Nicely arrange selected connector network"),
 984                             0, 0);
 985     addExchangePositionsButton(INKSCAPE_ICON_EXCHANGE_POSITIONS,
 986                             _("Exchange positions of selected objects - selection order"),
 987                             0, 1);
 988     addExchangePositionsByZOrderButton(INKSCAPE_ICON_EXCHANGE_POSITIONS_ZORDER,
 989                             _("Exchange positions of selected objects - stacking order"),
 990                             0, 2);
 991     addExchangePositionsClockwiseButton(INKSCAPE_ICON_EXCHANGE_POSITIONS_CLOCKWISE,
 992                             _("Exchange positions of selected objects - clockwise rotate"),
 993                             0, 3);
 994
 995     //Randomize & Unclump
 996     addRandomizeButton(INKSCAPE_ICON_DISTRIBUTE_RANDOMIZE,
 997                         _("Randomize centers in both dimensions"),
 998                         0, 4);
 999     addUnclumpButton(INKSCAPE_ICON_DISTRIBUTE_UNCLUMP,
1000                         _("Unclump objects: try to equalize edge-to-edge distances"),
1001                         0, 5);
1002
1003     //Remove overlaps
1004     addRemoveOverlapsButton(INKSCAPE_ICON_DISTRIBUTE_REMOVE_OVERLAPS,
1005                             _("Move objects as little as possible so that their bounding boxes do not overlap"),
1006                             0, 0);
1007
1008     //Node Mode buttons
1009     // NOTE: "align nodes vertically" means "move nodes vertically until they align on a common
1010     // _horizontal_ line". This is analogous to what the "align-vertical-center" icon means.
1011     // There is no doubt some ambiguity. For this reason the descriptions are different.
1012     addNodeButton(INKSCAPE_ICON_ALIGN_VERTICAL_NODES,
1013                   _("Align selected nodes to a common horizontal line"),
1014                   0, Geom::X, false);
1015     addNodeButton(INKSCAPE_ICON_ALIGN_HORIZONTAL_NODES,
1016                   _("Align selected nodes to a common vertical line"),
1017                   1, Geom::Y, false);
1018     addNodeButton(INKSCAPE_ICON_DISTRIBUTE_HORIZONTAL_NODE,
1019                   _("Distribute selected nodes horizontally"),
1020                   2, Geom::X, true);
1021     addNodeButton(INKSCAPE_ICON_DISTRIBUTE_VERTICAL_NODE,
1022                   _("Distribute selected nodes vertically"),
1023                   3, Geom::Y, true);
1024
1025     //Rest of the widgetry
1026
1027     _combo.append_text(_("Last selected"));
1028     _combo.append_text(_("First selected"));
1029     _combo.append_text(_("Biggest object"));
1030     _combo.append_text(_("Smallest object"));
1031     _combo.append_text(_("Page"));
1032     _combo.append_text(_("Drawing"));
1033     _combo.append_text(_("Selection"));
1034
1035     _combo.set_active(prefs->getInt("/dialogs/align/align-to", 6));
1036     _combo.signal_changed().connect(sigc::mem_fun(*this, &AlignAndDistribute::on_ref_change));
1037
1038     _anchorBox.pack_start(_anchorLabel);
1039     _anchorBox.pack_start(_combo);
1040
1041     _selgrpBox.pack_start(_selgrpLabel);
1042     _selgrpBox.pack_start(_selgrp);
1043     _selgrp.set_active(prefs->getBool("/dialogs/align/sel-as-groups"));
1044     _selgrp.signal_toggled().connect(sigc::mem_fun(*this, &AlignAndDistribute::on_selgrp_toggled));
1045
1046     _alignBox.pack_start(_anchorBox);
1047     _alignBox.pack_start(_selgrpBox);
1048     _alignBox.pack_start(_alignTable);
1049
1050     _alignFrame.add(_alignBox);
1051     _distributeFrame.add(_distributeTable);
1052     _rearrangeFrame.add(_rearrangeTable);
1053     _removeOverlapFrame.add(_removeOverlapTable);
1054     _nodesFrame.add(_nodesTable);
1055
1056     Gtk::Box *contents = _getContents();
1057     contents->set_spacing(4);
1058
1059     // Notebook for individual transformations
1060
1061     contents->pack_start(_alignFrame, true, true);
1062     contents->pack_start(_distributeFrame, true, true);
1063     contents->pack_start(_rearrangeFrame, true, true);
1064     contents->pack_start(_removeOverlapFrame, true, true);
1065     contents->pack_start(_nodesFrame, true, true);
1066
1067     //Connect to the global tool change signal
1068     g_signal_connect (G_OBJECT (INKSCAPE), "set_eventcontext", G_CALLBACK (on_tool_changed), this);
1069
1070     // Connect to the global selection change, to invalidate cached randomize_bbox
1071     g_signal_connect (G_OBJECT (INKSCAPE), "change_selection", G_CALLBACK (on_selection_changed), this);
1072     randomize_bbox = Geom::OptRect();
1073
1074     show_all_children();
1075
1076     on_tool_changed (NULL, NULL, this); // set current mode
1077 }
1078
1079 AlignAndDistribute::~AlignAndDistribute()
1080 {
1081     sp_signal_disconnect_by_data (G_OBJECT (INKSCAPE), this);
1082
1083     for (std::list<Action *>::iterator it = _actionList.begin();
1084          it != _actionList.end();
1085          it ++)
1086         delete *it;
1087 }
1088
1089 void AlignAndDistribute::on_ref_change(){
1090     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1091     prefs->setInt("/dialogs/align/align-to", _combo.get_active_row_number());
1092
1093     //Make blink the master
1094 }
1095
1096 void AlignAndDistribute::on_selgrp_toggled(){
1097     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1098     prefs->setInt("/dialogs/align/sel-as-groups", _selgrp.get_active());
1099
1100     //Make blink the master
1101 }
1102
1103
1104
1105
1106 void AlignAndDistribute::setMode(bool nodeEdit)
1107 {
1108     //Act on widgets used in node mode
1109     void ( Gtk::Widget::*mNode) ()  = nodeEdit ?
1110         &Gtk::Widget::show_all : &Gtk::Widget::hide_all;
1111
1112     //Act on widgets used in selection mode
1113   void ( Gtk::Widget::*mSel) ()  = nodeEdit ?
1114       &Gtk::Widget::hide_all : &Gtk::Widget::show_all;
1115
1116
1117     ((_alignFrame).*(mSel))();
1118     ((_distributeFrame).*(mSel))();
1119     ((_rearrangeFrame).*(mSel))();
1120     ((_removeOverlapFrame).*(mSel))();
1121     ((_nodesFrame).*(mNode))();
1122
1123 }
1124 void AlignAndDistribute::addAlignButton(const Glib::ustring &id, const Glib::ustring tiptext,
1125                                  guint row, guint col)
1126 {
1127     _actionList.push_back(
1128         new ActionAlign(
1129             id, tiptext, row, col,
1130             *this , col + row * 5));
1131 }
1132 void AlignAndDistribute::addDistributeButton(const Glib::ustring &id, const Glib::ustring tiptext,
1133                                       guint row, guint col, bool onInterSpace,
1134                                       Geom::Dim2 orientation, float kBegin, float kEnd)
1135 {
1136     _actionList.push_back(
1137         new ActionDistribute(
1138             id, tiptext, row, col, *this ,
1139             onInterSpace, orientation,
1140             kBegin, kEnd
1141             )
1142         );
1143 }
1144
1145 void AlignAndDistribute::addNodeButton(const Glib::ustring &id, const Glib::ustring tiptext,
1146                    guint col, Geom::Dim2 orientation, bool distribute)
1147 {
1148     _actionList.push_back(
1149         new ActionNode(
1150             id, tiptext, col,
1151             *this, orientation, distribute));
1152 }
1153
1154 void AlignAndDistribute::addRemoveOverlapsButton(const Glib::ustring &id, const Glib::ustring tiptext,
1155                                       guint row, guint col)
1156 {
1157     _actionList.push_back(
1158         new ActionRemoveOverlaps(
1159             id, tiptext, row, col, *this)
1160         );
1161 }
1162
1163 void AlignAndDistribute::addGraphLayoutButton(const Glib::ustring &id, const Glib::ustring tiptext,
1164                                       guint row, guint col)
1165 {
1166     _actionList.push_back(
1167         new ActionGraphLayout(
1168             id, tiptext, row, col, *this)
1169         );
1170 }
1171
1172 void AlignAndDistribute::addExchangePositionsButton(const Glib::ustring &id, const Glib::ustring tiptext,
1173                                       guint row, guint col)
1174 {
1175     _actionList.push_back(
1176         new ActionExchangePositions(
1177             id, tiptext, row, col, *this)
1178         );
1179 }
1180
1181 void AlignAndDistribute::addExchangePositionsByZOrderButton(const Glib::ustring &id, const Glib::ustring tiptext,
1182                                       guint row, guint col)
1183 {
1184     _actionList.push_back(
1185         new ActionExchangePositions(
1186             id, tiptext, row, col, *this, ActionExchangePositions::ZOrder)
1187         );
1188 }
1189
1190 void AlignAndDistribute::addExchangePositionsClockwiseButton(const Glib::ustring &id, const Glib::ustring tiptext,
1191                                       guint row, guint col)
1192 {
1193     _actionList.push_back(
1194         new ActionExchangePositions(
1195             id, tiptext, row, col, *this, ActionExchangePositions::Clockwise)
1196         );
1197 }
1198
1199 void AlignAndDistribute::addUnclumpButton(const Glib::ustring &id, const Glib::ustring tiptext,
1200                                       guint row, guint col)
1201 {
1202     _actionList.push_back(
1203         new ActionUnclump(
1204             id, tiptext, row, col, *this)
1205         );
1206 }
1207
1208 void AlignAndDistribute::addRandomizeButton(const Glib::ustring &id, const Glib::ustring tiptext,
1209                                       guint row, guint col)
1210 {
1211     _actionList.push_back(
1212         new ActionRandomize(
1213             id, tiptext, row, col, *this)
1214         );
1215 }
1216
1217 void AlignAndDistribute::addBaselineButton(const Glib::ustring &id, const Glib::ustring tiptext,
1218                                     guint row, guint col, Gtk::Table &table, Geom::Dim2 orientation, bool distribute)
1219 {
1220     _actionList.push_back(
1221         new ActionBaseline(
1222             id, tiptext, row, col,
1223             *this, table, orientation, distribute));
1224 }
1225
1226
1227
1228
1229 std::list<SPItem *>::iterator AlignAndDistribute::find_master( std::list<SPItem *> &list, bool horizontal){
1230     std::list<SPItem *>::iterator master = list.end();
1231     switch (getAlignTarget()) {
1232     case LAST:
1233         return list.begin();
1234         break;
1235
1236     case FIRST:
1237         return --(list.end());
1238         break;
1239
1240     case BIGGEST:
1241     {
1242         gdouble max = -1e18;
1243         for (std::list<SPItem *>::iterator it = list.begin(); it != list.end(); it++) {
1244             Geom::OptRect b = (*it)->getBboxDesktop ();
1245             if (b) {
1246                 gdouble dim = (*b)[horizontal ? Geom::X : Geom::Y].extent();
1247                 if (dim > max) {
1248                     max = dim;
1249                     master = it;
1250                 }
1251             }
1252         }
1253         return master;
1254         break;
1255     }
1256
1257     case SMALLEST:
1258     {
1259         gdouble max = 1e18;
1260         for (std::list<SPItem *>::iterator it = list.begin(); it != list.end(); it++) {
1261             Geom::OptRect b = (*it)->getBboxDesktop ();
1262             if (b) {
1263                 gdouble dim = (*b)[horizontal ? Geom::X : Geom::Y].extent();
1264                 if (dim < max) {
1265                     max = dim;
1266                     master = it;
1267                 }
1268             }
1269         }
1270         return master;
1271         break;
1272     }
1273
1274     default:
1275         g_assert_not_reached ();
1276         break;
1277
1278     } // end of switch statement
1279     return master;
1280 }
1281
1282 AlignAndDistribute::AlignTarget AlignAndDistribute::getAlignTarget()const {
1283     return AlignTarget(_combo.get_active_row_number());
1284 }
1285
1286
1287
1288 } // namespace Dialog
1289 } // namespace UI
1290 } // namespace Inkscape
1291
1292 /*
1293   Local Variables:
1294   mode:c++
1295   c-file-style:"stroustrup"
1296   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1297   indent-tabs-mode:nil
1298   fill-column:99
1299   End:
1300 */
1301 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :