1 /**
2 * \brief Align and Distribute dialog
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 *
11 * Copyright (C) 1999-2004, 2005 Authors
12 *
13 * Released under GNU GPL. Read the file 'COPYING' for more information.
14 */
17 #ifdef HAVE_CONFIG_H
18 # include <config.h>
19 #endif
21 #include "verbs.h"
23 #include "dialogs/unclump.h"
24 #include "removeoverlap/removeoverlap.h"
25 #include "graphlayout/graphlayout.h"
27 #include <gtkmm/spinbutton.h>
32 #include "util/glib-list-iterators.h"
34 #include "widgets/icon.h"
36 #include "inkscape.h"
37 #include "document.h"
38 #include "selection.h"
39 #include "desktop-handles.h"
40 #include "macros.h"
41 #include "sp-item-transform.h"
42 #include "prefs-utils.h"
43 #include "enums.h"
45 #include "sp-text.h"
46 #include "sp-flowtext.h"
47 #include "text-editing.h"
49 #include "node-context.h" //For access to ShapeEditor
50 #include "shape-editor.h" //For node align/distribute methods
52 #include "tools-switch.h"
54 #include "align-and-distribute.h"
56 namespace Inkscape {
57 namespace UI {
58 namespace Dialog {
60 /////////helper classes//////////////////////////////////
62 class Action {
63 public :
64 Action(const Glib::ustring &id,
65 const Glib::ustring &tiptext,
66 guint row, guint column,
67 Gtk::Table &parent,
68 Gtk::Tooltips &tooltips,
69 AlignAndDistribute &dialog):
70 _dialog(dialog),
71 _id(id),
72 _parent(parent)
73 {
74 Gtk::Widget* pIcon = Gtk::manage( sp_icon_get_icon( _id, Inkscape::ICON_SIZE_LARGE_TOOLBAR) );
75 Gtk::Button * pButton = Gtk::manage(new Gtk::Button());
76 pButton->set_relief(Gtk::RELIEF_NONE);
77 pIcon->show();
78 pButton->add(*pIcon);
79 pButton->show();
81 pButton->signal_clicked()
82 .connect(sigc::mem_fun(*this, &Action::on_button_click));
83 tooltips.set_tip(*pButton, tiptext);
84 parent.attach(*pButton, column, column+1, row, row+1, Gtk::FILL, Gtk::FILL);
85 }
86 virtual ~Action(){}
88 AlignAndDistribute &_dialog;
90 private :
91 virtual void on_button_click(){}
93 Glib::ustring _id;
94 Gtk::Table &_parent;
95 };
98 class ActionAlign : public Action {
99 public :
100 struct Coeffs {
101 double mx0, mx1, my0, my1;
102 double sx0, sx1, sy0, sy1;
103 };
104 ActionAlign(const Glib::ustring &id,
105 const Glib::ustring &tiptext,
106 guint row, guint column,
107 AlignAndDistribute &dialog,
108 guint coeffIndex):
109 Action(id, tiptext, row, column,
110 dialog.align_table(), dialog.tooltips(), dialog),
111 _index(coeffIndex),
112 _dialog(dialog)
113 {}
115 private :
117 virtual void on_button_click() {
118 //Retreive selected objects
119 SPDesktop *desktop = _dialog.getDesktop();
120 if (!desktop) return;
122 Inkscape::Selection *selection = sp_desktop_selection(desktop);
123 if (!selection) return;
125 using Inkscape::Util::GSListConstIterator;
126 std::list<SPItem *> selected;
127 selected.insert<GSListConstIterator<SPItem *> >(selected.end(), selection->itemList(), NULL);
128 if (selected.empty()) return;
130 NR::Point mp; //Anchor point
131 AlignAndDistribute::AlignTarget target = _dialog.getAlignTarget();
132 const Coeffs &a= _allCoeffs[_index];
133 switch (target)
134 {
135 case AlignAndDistribute::LAST:
136 case AlignAndDistribute::FIRST:
137 case AlignAndDistribute::BIGGEST:
138 case AlignAndDistribute::SMALLEST:
139 {
140 //Check 2 or more selected objects
141 std::list<SPItem *>::iterator second(selected.begin());
142 ++second;
143 if (second == selected.end())
144 return;
145 //Find the master (anchor on which the other objects are aligned)
146 std::list<SPItem *>::iterator master(
147 _dialog.find_master (
148 selected,
149 (a.mx0 != 0.0) ||
150 (a.mx1 != 0.0) )
151 );
152 //remove the master from the selection
153 SPItem * thing = *master;
154 selected.erase(master);
155 //Compute the anchor point
156 NR::Maybe<NR::Rect> b = sp_item_bbox_desktop (thing);
157 if (b) {
158 mp = NR::Point(a.mx0 * b->min()[NR::X] + a.mx1 * b->max()[NR::X],
159 a.my0 * b->min()[NR::Y] + a.my1 * b->max()[NR::Y]);
160 } else {
161 return;
162 }
163 break;
164 }
166 case AlignAndDistribute::PAGE:
167 mp = NR::Point(a.mx1 * sp_document_width(sp_desktop_document(desktop)),
168 a.my1 * sp_document_height(sp_desktop_document(desktop)));
169 break;
171 case AlignAndDistribute::DRAWING:
172 {
173 NR::Maybe<NR::Rect> b = sp_item_bbox_desktop
174 ( (SPItem *) sp_document_root (sp_desktop_document (desktop)) );
175 if (b) {
176 mp = NR::Point(a.mx0 * b->min()[NR::X] + a.mx1 * b->max()[NR::X],
177 a.my0 * b->min()[NR::Y] + a.my1 * b->max()[NR::Y]);
178 } else {
179 return;
180 }
181 break;
182 }
184 case AlignAndDistribute::SELECTION:
185 {
186 NR::Maybe<NR::Rect> b = selection->bounds();
187 if (b) {
188 mp = NR::Point(a.mx0 * b->min()[NR::X] + a.mx1 * b->max()[NR::X],
189 a.my0 * b->min()[NR::Y] + a.my1 * b->max()[NR::Y]);
190 } else {
191 return;
192 }
193 break;
194 }
196 default:
197 g_assert_not_reached ();
198 break;
199 }; // end of switch
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_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
208 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
210 bool changed = false;
211 //Move each item in the selected list
212 for (std::list<SPItem *>::iterator it(selected.begin());
213 it != selected.end();
214 it++)
215 {
216 sp_document_ensure_up_to_date(sp_desktop_document (desktop));
217 NR::Maybe<NR::Rect> b = sp_item_bbox_desktop (*it);
218 if (b) {
219 NR::Point const sp(a.sx0 * b->min()[NR::X] + a.sx1 * b->max()[NR::X],
220 a.sy0 * b->min()[NR::Y] + a.sy1 * b->max()[NR::Y]);
221 NR::Point const mp_rel( mp - sp );
222 if (LInfty(mp_rel) > 1e-9) {
223 sp_item_move_rel(*it, NR::translate(mp_rel));
224 changed = true;
225 }
226 }
227 }
229 // restore compensation setting
230 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
232 if (changed) {
233 sp_document_done ( sp_desktop_document (desktop) , SP_VERB_DIALOG_ALIGN_DISTRIBUTE,
234 _("Align"));
235 }
238 }
239 guint _index;
240 AlignAndDistribute &_dialog;
242 static const Coeffs _allCoeffs[10];
244 };
245 ActionAlign::Coeffs const ActionAlign::_allCoeffs[10] = {
246 {1., 0., 0., 0., 0., 1., 0., 0.},
247 {1., 0., 0., 0., 1., 0., 0., 0.},
248 {.5, .5, 0., 0., .5, .5, 0., 0.},
249 {0., 1., 0., 0., 0., 1., 0., 0.},
250 {0., 1., 0., 0., 1., 0., 0., 0.},
251 {0., 0., 0., 1., 0., 0., 1., 0.},
252 {0., 0., 0., 1., 0., 0., 0., 1.},
253 {0., 0., .5, .5, 0., 0., .5, .5},
254 {0., 0., 1., 0., 0., 0., 1., 0.},
255 {0., 0., 1., 0., 0., 0., 0., 1.}
256 };
258 BBoxSort::BBoxSort(SPItem *pItem, NR::Rect bounds, NR::Dim2 orientation, double kBegin, double kEnd) :
259 item(pItem),
260 bbox (bounds)
261 {
262 anchor = kBegin * bbox.min()[orientation] + kEnd * bbox.max()[orientation];
263 }
264 BBoxSort::BBoxSort(const BBoxSort &rhs) :
265 //NOTE : this copy ctor is called O(sort) when sorting the vector
266 //this is bad. The vector should be a vector of pointers.
267 //But I'll wait the bohem GC before doing that
268 item(rhs.item), anchor(rhs.anchor), bbox(rhs.bbox)
269 {
270 }
272 bool operator< (const BBoxSort &a, const BBoxSort &b)
273 {
274 return (a.anchor < b.anchor);
275 }
277 class ActionDistribute : public Action {
278 public :
279 ActionDistribute(const Glib::ustring &id,
280 const Glib::ustring &tiptext,
281 guint row, guint column,
282 AlignAndDistribute &dialog,
283 bool onInterSpace,
284 NR::Dim2 orientation,
285 double kBegin, double kEnd
286 ):
287 Action(id, tiptext, row, column,
288 dialog.distribute_table(), dialog.tooltips(), dialog),
289 _dialog(dialog),
290 _onInterSpace(onInterSpace),
291 _orientation(orientation),
292 _kBegin(kBegin),
293 _kEnd( kEnd)
294 {}
296 private :
297 virtual void on_button_click() {
298 //Retreive selected objects
299 SPDesktop *desktop = _dialog.getDesktop();
300 if (!desktop) return;
302 Inkscape::Selection *selection = sp_desktop_selection(desktop);
303 if (!selection) return;
305 using Inkscape::Util::GSListConstIterator;
306 std::list<SPItem *> selected;
307 selected.insert<GSListConstIterator<SPItem *> >(selected.end(), selection->itemList(), NULL);
308 if (selected.empty()) return;
310 //Check 2 or more selected objects
311 std::list<SPItem *>::iterator second(selected.begin());
312 ++second;
313 if (second == selected.end()) return;
316 std::vector< BBoxSort > sorted;
317 for (std::list<SPItem *>::iterator it(selected.begin());
318 it != selected.end();
319 ++it)
320 {
321 NR::Maybe<NR::Rect> bbox = sp_item_bbox_desktop(*it);
322 if (bbox) {
323 sorted.push_back(BBoxSort(*it, *bbox, _orientation, _kBegin, _kEnd));
324 }
325 }
326 //sort bbox by anchors
327 std::sort(sorted.begin(), sorted.end());
329 // see comment in ActionAlign above
330 int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
331 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
333 unsigned int len = sorted.size();
334 bool changed = false;
335 if (_onInterSpace)
336 {
337 //overall bboxes span
338 float dist = (sorted.back().bbox.max()[_orientation] -
339 sorted.front().bbox.min()[_orientation]);
340 //space eaten by bboxes
341 float span = 0;
342 for (unsigned int i = 0; i < len; i++)
343 {
344 span += sorted[i].bbox.extent(_orientation);
345 }
346 //new distance between each bbox
347 float step = (dist - span) / (len - 1);
348 float pos = sorted.front().bbox.min()[_orientation];
349 for ( std::vector<BBoxSort> ::iterator it (sorted.begin());
350 it < sorted.end();
351 it ++ )
352 {
353 if (!NR_DF_TEST_CLOSE (pos, it->bbox.min()[_orientation], 1e-6)) {
354 NR::Point t(0.0, 0.0);
355 t[_orientation] = pos - it->bbox.min()[_orientation];
356 sp_item_move_rel(it->item, NR::translate(t));
357 changed = true;
358 }
359 pos += it->bbox.extent(_orientation);
360 pos += step;
361 }
362 }
363 else
364 {
365 //overall anchor span
366 float dist = sorted.back().anchor - sorted.front().anchor;
367 //distance between anchors
368 float step = dist / (len - 1);
370 for ( unsigned int i = 0; i < len ; i ++ )
371 {
372 BBoxSort & it(sorted[i]);
373 //new anchor position
374 float pos = sorted.front().anchor + i * step;
375 //Don't move if we are really close
376 if (!NR_DF_TEST_CLOSE (pos, it.anchor, 1e-6)) {
377 //Compute translation
378 NR::Point t(0.0, 0.0);
379 t[_orientation] = pos - it.anchor;
380 //translate
381 sp_item_move_rel(it.item, NR::translate(t));
382 changed = true;
383 }
384 }
385 }
387 // restore compensation setting
388 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
390 if (changed) {
391 sp_document_done ( sp_desktop_document (desktop), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,
392 _("Distribute"));
393 }
394 }
395 guint _index;
396 AlignAndDistribute &_dialog;
397 bool _onInterSpace;
398 NR::Dim2 _orientation;
400 double _kBegin;
401 double _kEnd;
403 };
406 class ActionNode : public Action {
407 public :
408 ActionNode(const Glib::ustring &id,
409 const Glib::ustring &tiptext,
410 guint column,
411 AlignAndDistribute &dialog,
412 NR::Dim2 orientation, bool distribute):
413 Action(id, tiptext, 0, column,
414 dialog.nodes_table(), dialog.tooltips(), dialog),
415 _orientation(orientation),
416 _distribute(distribute)
417 {}
419 private :
420 NR::Dim2 _orientation;
421 bool _distribute;
422 virtual void on_button_click()
423 {
425 if (!_dialog.getDesktop()) return;
426 SPEventContext *event_context = sp_desktop_event_context(_dialog.getDesktop());
427 if (!SP_IS_NODE_CONTEXT (event_context)) return ;
429 if (_distribute)
430 SP_NODE_CONTEXT (event_context)->shape_editor->distribute(_orientation);
431 else
432 SP_NODE_CONTEXT (event_context)->shape_editor->align(_orientation);
434 }
435 };
437 class ActionRemoveOverlaps : public Action {
438 private:
439 Gtk::Label removeOverlapXGapLabel;
440 Gtk::Label removeOverlapYGapLabel;
441 Gtk::SpinButton removeOverlapXGap;
442 Gtk::SpinButton removeOverlapYGap;
444 public:
445 ActionRemoveOverlaps(Glib::ustring const &id,
446 Glib::ustring const &tiptext,
447 guint row,
448 guint column,
449 AlignAndDistribute &dialog) :
450 Action(id, tiptext, row, column + 4,
451 dialog.removeOverlap_table(), dialog.tooltips(), dialog)
452 {
453 dialog.removeOverlap_table().set_col_spacings(3);
455 removeOverlapXGap.set_digits(1);
456 removeOverlapXGap.set_size_request(60, -1);
457 removeOverlapXGap.set_increments(1.0, 5.0);
458 removeOverlapXGap.set_range(-1000.0, 1000.0);
459 removeOverlapXGap.set_value(0);
460 dialog.tooltips().set_tip(removeOverlapXGap,
461 _("Minimum horizontal gap (in px units) between bounding boxes"));
462 /* TRANSLATORS: Horizontal gap. Only put "H:" equivalent in the translation */
463 removeOverlapXGapLabel.set_label(Q_("gap|H:"));
465 removeOverlapYGap.set_digits(1);
466 removeOverlapYGap.set_size_request(60, -1);
467 removeOverlapYGap.set_increments(1.0, 5.0);
468 removeOverlapYGap.set_range(-1000.0, 1000.0);
469 removeOverlapYGap.set_value(0);
470 dialog.tooltips().set_tip(removeOverlapYGap,
471 _("Minimum vertical gap (in px units) between bounding boxes"));
472 /* TRANSLATORS: Vertical gap */
473 removeOverlapYGapLabel.set_label(_("V:"));
475 dialog.removeOverlap_table().attach(removeOverlapXGapLabel, column, column+1, row, row+1, Gtk::FILL, Gtk::FILL);
476 dialog.removeOverlap_table().attach(removeOverlapXGap, column+1, column+2, row, row+1, Gtk::FILL, Gtk::FILL);
477 dialog.removeOverlap_table().attach(removeOverlapYGapLabel, column+2, column+3, row, row+1, Gtk::FILL, Gtk::FILL);
478 dialog.removeOverlap_table().attach(removeOverlapYGap, column+3, column+4, row, row+1, Gtk::FILL, Gtk::FILL);
480 }
482 private :
483 virtual void on_button_click()
484 {
485 if (!_dialog.getDesktop()) return;
487 // see comment in ActionAlign above
488 int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
489 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
491 // xGap and yGap are the minimum space required between bounding rectangles.
492 double const xGap = removeOverlapXGap.get_value();
493 double const yGap = removeOverlapYGap.get_value();
494 removeoverlap(sp_desktop_selection(_dialog.getDesktop())->itemList(),
495 xGap, yGap);
497 // restore compensation setting
498 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
500 sp_document_done(sp_desktop_document(_dialog.getDesktop()), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,
501 _("Remove overlaps"));
502 }
503 };
505 class ActionGraphLayout : public Action {
506 public:
507 ActionGraphLayout(Glib::ustring const &id,
508 Glib::ustring const &tiptext,
509 guint row,
510 guint column,
511 AlignAndDistribute &dialog) :
512 Action(id, tiptext, row, column + 4,
513 dialog.graphLayout_table(), dialog.tooltips(), dialog)
514 {}
516 private :
517 virtual void on_button_click()
518 {
519 if (!_dialog.getDesktop()) return;
521 // see comment in ActionAlign above
522 int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
523 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
525 graphlayout(sp_desktop_selection(_dialog.getDesktop())->itemList());
527 // restore compensation setting
528 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
530 sp_document_done(sp_desktop_document(_dialog.getDesktop()), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,
531 _("Arrange connector network"));
532 }
533 };
535 class ActionUnclump : public Action {
536 public :
537 ActionUnclump(const Glib::ustring &id,
538 const Glib::ustring &tiptext,
539 guint row,
540 guint column,
541 AlignAndDistribute &dialog):
542 Action(id, tiptext, row, column,
543 dialog.distribute_table(), dialog.tooltips(), dialog)
544 {}
546 private :
547 virtual void on_button_click()
548 {
549 if (!_dialog.getDesktop()) return;
551 // see comment in ActionAlign above
552 int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
553 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
555 unclump ((GSList *) sp_desktop_selection(_dialog.getDesktop())->itemList());
557 // restore compensation setting
558 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
560 sp_document_done (sp_desktop_document (_dialog.getDesktop()), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,
561 _("Unclump"));
562 }
563 };
565 class ActionRandomize : public Action {
566 public :
567 ActionRandomize(const Glib::ustring &id,
568 const Glib::ustring &tiptext,
569 guint row,
570 guint column,
571 AlignAndDistribute &dialog):
572 Action(id, tiptext, row, column,
573 dialog.distribute_table(), dialog.tooltips(), dialog)
574 {}
576 private :
577 virtual void on_button_click()
578 {
579 SPDesktop *desktop = _dialog.getDesktop();
580 if (!desktop) return;
582 Inkscape::Selection *selection = sp_desktop_selection(desktop);
583 if (!selection) return;
585 using Inkscape::Util::GSListConstIterator;
586 std::list<SPItem *> selected;
587 selected.insert<GSListConstIterator<SPItem *> >(selected.end(), selection->itemList(), NULL);
588 if (selected.empty()) return;
590 //Check 2 or more selected objects
591 if (selected.size() < 2) return;
593 NR::Maybe<NR::Rect> sel_bbox = selection->bounds();
594 if (!sel_bbox) {
595 return;
596 }
598 // This bbox is cached between calls to randomize, so that there's no growth nor shrink
599 // nor drift on sequential randomizations. Discard cache on global (or better active
600 // desktop's) selection_change signal.
601 if (!_dialog.randomize_bbox) {
602 _dialog.randomize_bbox = *sel_bbox;
603 }
605 // see comment in ActionAlign above
606 int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
607 prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
609 for (std::list<SPItem *>::iterator it(selected.begin());
610 it != selected.end();
611 ++it)
612 {
613 sp_document_ensure_up_to_date(sp_desktop_document (desktop));
614 NR::Maybe<NR::Rect> item_box = sp_item_bbox_desktop (*it);
615 if (item_box) {
616 // find new center, staying within bbox
617 double x = _dialog.randomize_bbox->min()[NR::X] + item_box->extent(NR::X)/2 +
618 g_random_double_range (0, _dialog.randomize_bbox->extent(NR::X) - item_box->extent(NR::X));
619 double y = _dialog.randomize_bbox->min()[NR::Y] + item_box->extent(NR::Y)/2 +
620 g_random_double_range (0, _dialog.randomize_bbox->extent(NR::Y) - item_box->extent(NR::Y));
621 // displacement is the new center minus old:
622 NR::Point t = NR::Point (x, y) - 0.5*(item_box->max() + item_box->min());
623 sp_item_move_rel(*it, NR::translate(t));
624 }
625 }
627 // restore compensation setting
628 prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
630 sp_document_done (sp_desktop_document (desktop), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,
631 _("Randomize positions"));
632 }
633 };
635 struct Baselines
636 {
637 SPItem *_item;
638 NR::Point _base;
639 NR::Dim2 _orientation;
640 Baselines(SPItem *item, NR::Point base, NR::Dim2 orientation) :
641 _item (item),
642 _base (base),
643 _orientation (orientation)
644 {}
645 };
647 bool operator< (const Baselines &a, const Baselines &b)
648 {
649 return (a._base[a._orientation] < b._base[b._orientation]);
650 }
652 class ActionBaseline : public Action {
653 public :
654 ActionBaseline(const Glib::ustring &id,
655 const Glib::ustring &tiptext,
656 guint row,
657 guint column,
658 AlignAndDistribute &dialog,
659 Gtk::Table &table,
660 NR::Dim2 orientation, bool distribute):
661 Action(id, tiptext, row, column,
662 table, dialog.tooltips(), dialog),
663 _orientation(orientation),
664 _distribute(distribute)
665 {}
667 private :
668 NR::Dim2 _orientation;
669 bool _distribute;
670 virtual void on_button_click()
671 {
672 SPDesktop *desktop = _dialog.getDesktop();
673 if (!desktop) return;
675 Inkscape::Selection *selection = sp_desktop_selection(desktop);
676 if (!selection) return;
678 using Inkscape::Util::GSListConstIterator;
679 std::list<SPItem *> selected;
680 selected.insert<GSListConstIterator<SPItem *> >(selected.end(), selection->itemList(), NULL);
681 if (selected.empty()) return;
683 //Check 2 or more selected objects
684 if (selected.size() < 2) return;
686 NR::Point b_min = NR::Point (HUGE_VAL, HUGE_VAL);
687 NR::Point b_max = NR::Point (-HUGE_VAL, -HUGE_VAL);
689 std::vector<Baselines> sorted;
691 for (std::list<SPItem *>::iterator it(selected.begin());
692 it != selected.end();
693 ++it)
694 {
695 if (SP_IS_TEXT (*it) || SP_IS_FLOWTEXT (*it)) {
696 Inkscape::Text::Layout const *layout = te_get_layout(*it);
697 NR::Point base = layout->characterAnchorPoint(layout->begin()) * sp_item_i2d_affine(*it);
698 if (base[NR::X] < b_min[NR::X]) b_min[NR::X] = base[NR::X];
699 if (base[NR::Y] < b_min[NR::Y]) b_min[NR::Y] = base[NR::Y];
700 if (base[NR::X] > b_max[NR::X]) b_max[NR::X] = base[NR::X];
701 if (base[NR::Y] > b_max[NR::Y]) b_max[NR::Y] = base[NR::Y];
703 Baselines b (*it, base, _orientation);
704 sorted.push_back(b);
705 }
706 }
708 if (sorted.size() <= 1) return;
710 //sort baselines
711 std::sort(sorted.begin(), sorted.end());
713 bool changed = false;
715 if (_distribute) {
716 double step = (b_max[_orientation] - b_min[_orientation])/(sorted.size() - 1);
717 for (unsigned int i = 0; i < sorted.size(); i++) {
718 SPItem *item = sorted[i]._item;
719 NR::Point base = sorted[i]._base;
720 NR::Point t(0.0, 0.0);
721 t[_orientation] = b_min[_orientation] + step * i - base[_orientation];
722 sp_item_move_rel(item, NR::translate(t));
723 changed = true;
724 }
726 if (changed) {
727 sp_document_done (sp_desktop_document (desktop), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,
728 _("Distribute text baselines"));
729 }
731 } else {
732 for (std::list<SPItem *>::iterator it(selected.begin());
733 it != selected.end();
734 ++it)
735 {
736 if (SP_IS_TEXT (*it) || SP_IS_FLOWTEXT (*it)) {
737 Inkscape::Text::Layout const *layout = te_get_layout(*it);
738 NR::Point base = layout->characterAnchorPoint(layout->begin()) * sp_item_i2d_affine(*it);
739 NR::Point t(0.0, 0.0);
740 t[_orientation] = b_min[_orientation] - base[_orientation];
741 sp_item_move_rel(*it, NR::translate(t));
742 changed = true;
743 }
744 }
746 if (changed) {
747 sp_document_done (sp_desktop_document (desktop), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,
748 _("Align text baselines"));
749 }
750 }
751 }
752 };
756 void on_tool_changed(Inkscape::Application */*inkscape*/, SPEventContext */*context*/, AlignAndDistribute *daad)
757 {
758 SPDesktop *desktop = SP_ACTIVE_DESKTOP;
759 if (desktop && sp_desktop_event_context(desktop))
760 daad->setMode(tools_active(desktop) == TOOLS_NODES);
761 }
763 void on_selection_changed(Inkscape::Application */*inkscape*/, Inkscape::Selection */*selection*/, AlignAndDistribute *daad)
764 {
765 daad->randomize_bbox = NR::Nothing();
766 }
768 /////////////////////////////////////////////////////////
773 AlignAndDistribute::AlignAndDistribute()
774 : UI::Widget::Panel ("", "dialogs.align", SP_VERB_DIALOG_ALIGN_DISTRIBUTE),
775 randomize_bbox(NR::Nothing()),
776 _alignFrame(_("Align")),
777 _distributeFrame(_("Distribute")),
778 _removeOverlapFrame(_("Remove overlaps")),
779 _graphLayoutFrame(_("Connector network layout")),
780 _nodesFrame(_("Nodes")),
781 _alignTable(2, 6, true),
782 _distributeTable(3, 6, true),
783 _removeOverlapTable(1, 5, false),
784 _graphLayoutTable(1, 5, false),
785 _nodesTable(1, 4, true),
786 _anchorLabel(_("Relative to: "))
787 {
789 //Instanciate the align buttons
790 addAlignButton("al_left_out",
791 _("Align right sides of objects to left side of anchor"),
792 0, 0);
793 addAlignButton("al_left_in",
794 _("Align left sides"),
795 0, 1);
796 addAlignButton("al_center_hor",
797 _("Center on vertical axis"),
798 0, 2);
799 addAlignButton("al_right_in",
800 _("Align right sides"),
801 0, 3);
802 addAlignButton("al_right_out",
803 _("Align left sides of objects to right side of anchor"),
804 0, 4);
805 addAlignButton("al_top_out",
806 _("Align bottoms of objects to top of anchor"),
807 1, 0);
808 addAlignButton("al_top_in",
809 _("Align tops"),
810 1, 1);
811 addAlignButton("al_center_ver",
812 _("Center on horizontal axis"),
813 1, 2);
814 addAlignButton("al_bottom_in",
815 _("Align bottoms"),
816 1, 3);
817 addAlignButton("al_bottom_out",
818 _("Align tops of objects to bottom of anchor"),
819 1, 4);
821 //Baseline aligns
822 addBaselineButton("al_baselines_vert",
823 _("Align baseline anchors of texts vertically"),
824 0, 5, this->align_table(), NR::X, false);
825 addBaselineButton("al_baselines_hor",
826 _("Align baseline anchors of texts horizontally"),
827 1, 5, this->align_table(), NR::Y, false);
829 //The distribute buttons
830 addDistributeButton("distribute_hdist",
831 _("Make horizontal gaps between objects equal"),
832 0, 4, true, NR::X, .5, .5);
834 addDistributeButton("distribute_left",
835 _("Distribute left sides equidistantly"),
836 0, 1, false, NR::X, 1., 0.);
837 addDistributeButton("distribute_hcentre",
838 _("Distribute centers equidistantly horizontally"),
839 0, 2, false, NR::X, .5, .5);
840 addDistributeButton("distribute_right",
841 _("Distribute right sides equidistantly"),
842 0, 3, false, NR::X, 0., 1.);
844 addDistributeButton("distribute_vdist",
845 _("Make vertical gaps between objects equal"),
846 1, 4, true, NR::Y, .5, .5);
848 addDistributeButton("distribute_top",
849 _("Distribute tops equidistantly"),
850 1, 1, false, NR::Y, 0, 1);
851 addDistributeButton("distribute_vcentre",
852 _("Distribute centers equidistantly vertically"),
853 1, 2, false, NR::Y, .5, .5);
854 addDistributeButton("distribute_bottom",
855 _("Distribute bottoms equidistantly"),
856 1, 3, false, NR::Y, 1., 0.);
858 //Baseline distribs
859 addBaselineButton("distribute_baselines_hor",
860 _("Distribute baseline anchors of texts horizontally"),
861 0, 5, this->distribute_table(), NR::X, true);
862 addBaselineButton("distribute_baselines_vert",
863 _("Distribute baseline anchors of texts vertically"),
864 1, 5, this->distribute_table(), NR::Y, true);
866 //Randomize & Unclump
867 addRandomizeButton("distribute_randomize",
868 _("Randomize centers in both dimensions"),
869 2, 2);
870 addUnclumpButton("unclump",
871 _("Unclump objects: try to equalize edge-to-edge distances"),
872 2, 4);
874 //Remove overlaps
875 addRemoveOverlapsButton("remove_overlaps",
876 _("Move objects as little as possible so that their bounding boxes do not overlap"),
877 0, 0);
878 //Graph Layout
879 addGraphLayoutButton("graph_layout",
880 _("Nicely arrange selected connector network"),
881 0, 0);
883 //Node Mode buttons
884 addNodeButton("node_halign",
885 _("Align selected nodes horizontally"),
886 0, NR::X, false);
887 addNodeButton("node_valign",
888 _("Align selected nodes vertically"),
889 1, NR::Y, false);
890 addNodeButton("node_hdistribute",
891 _("Distribute selected nodes horizontally"),
892 2, NR::X, true);
893 addNodeButton("node_vdistribute",
894 _("Distribute selected nodes vertically"),
895 3, NR::Y, true);
897 //Rest of the widgetry
899 _combo.append_text(_("Last selected"));
900 _combo.append_text(_("First selected"));
901 _combo.append_text(_("Biggest item"));
902 _combo.append_text(_("Smallest item"));
903 _combo.append_text(_("Page"));
904 _combo.append_text(_("Drawing"));
905 _combo.append_text(_("Selection"));
907 _combo.set_active(prefs_get_int_attribute("dialogs.align", "align-to", 6));
908 _combo.signal_changed().connect(sigc::mem_fun(*this, &AlignAndDistribute::on_ref_change));
910 _anchorBox.pack_start(_anchorLabel);
911 _anchorBox.pack_start(_combo);
913 _alignBox.pack_start(_anchorBox);
914 _alignBox.pack_start(_alignTable);
916 _alignFrame.add(_alignBox);
917 _distributeFrame.add(_distributeTable);
918 _removeOverlapFrame.add(_removeOverlapTable);
919 _graphLayoutFrame.add(_graphLayoutTable);
920 _nodesFrame.add(_nodesTable);
922 Gtk::Box *contents = _getContents();
923 contents->set_spacing(4);
925 // Notebook for individual transformations
927 contents->pack_start(_alignFrame, true, true);
928 contents->pack_start(_distributeFrame, true, true);
929 contents->pack_start(_removeOverlapFrame, true, true);
930 contents->pack_start(_graphLayoutFrame, true, true);
931 contents->pack_start(_nodesFrame, true, true);
933 //Connect to the global tool change signal
934 g_signal_connect (G_OBJECT (INKSCAPE), "set_eventcontext", G_CALLBACK (on_tool_changed), this);
936 // Connect to the global selection change, to invalidate cached randomize_bbox
937 g_signal_connect (G_OBJECT (INKSCAPE), "change_selection", G_CALLBACK (on_selection_changed), this);
938 randomize_bbox = NR::Nothing();
940 show_all_children();
942 on_tool_changed (NULL, NULL, this); // set current mode
943 }
945 AlignAndDistribute::~AlignAndDistribute()
946 {
947 sp_signal_disconnect_by_data (G_OBJECT (INKSCAPE), this);
949 for (std::list<Action *>::iterator it = _actionList.begin();
950 it != _actionList.end();
951 it ++)
952 delete *it;
953 }
955 void AlignAndDistribute::on_ref_change(){
957 prefs_set_int_attribute("dialogs.align", "align-to", _combo.get_active_row_number());
959 //Make blink the master
960 }
965 void AlignAndDistribute::setMode(bool nodeEdit)
966 {
967 //Act on widgets used in node mode
968 void ( Gtk::Widget::*mNode) () = nodeEdit ?
969 &Gtk::Widget::show_all : &Gtk::Widget::hide_all;
971 //Act on widgets used in selection mode
972 void ( Gtk::Widget::*mSel) () = nodeEdit ?
973 &Gtk::Widget::hide_all : &Gtk::Widget::show_all;
976 ((_alignFrame).*(mSel))();
977 ((_distributeFrame).*(mSel))();
978 ((_removeOverlapFrame).*(mSel))();
979 ((_graphLayoutFrame).*(mSel))();
980 ((_nodesFrame).*(mNode))();
982 }
983 void AlignAndDistribute::addAlignButton(const Glib::ustring &id, const Glib::ustring tiptext,
984 guint row, guint col)
985 {
986 _actionList.push_back(
987 new ActionAlign(
988 id, tiptext, row, col,
989 *this , col + row * 5));
990 }
991 void AlignAndDistribute::addDistributeButton(const Glib::ustring &id, const Glib::ustring tiptext,
992 guint row, guint col, bool onInterSpace,
993 NR::Dim2 orientation, float kBegin, float kEnd)
994 {
995 _actionList.push_back(
996 new ActionDistribute(
997 id, tiptext, row, col, *this ,
998 onInterSpace, orientation,
999 kBegin, kEnd
1000 )
1001 );
1002 }
1004 void AlignAndDistribute::addNodeButton(const Glib::ustring &id, const Glib::ustring tiptext,
1005 guint col, NR::Dim2 orientation, bool distribute)
1006 {
1007 _actionList.push_back(
1008 new ActionNode(
1009 id, tiptext, col,
1010 *this, orientation, distribute));
1011 }
1013 void AlignAndDistribute::addRemoveOverlapsButton(const Glib::ustring &id, const Glib::ustring tiptext,
1014 guint row, guint col)
1015 {
1016 _actionList.push_back(
1017 new ActionRemoveOverlaps(
1018 id, tiptext, row, col, *this)
1019 );
1020 }
1022 void AlignAndDistribute::addGraphLayoutButton(const Glib::ustring &id, const Glib::ustring tiptext,
1023 guint row, guint col)
1024 {
1025 _actionList.push_back(
1026 new ActionGraphLayout(
1027 id, tiptext, row, col, *this)
1028 );
1029 }
1031 void AlignAndDistribute::addUnclumpButton(const Glib::ustring &id, const Glib::ustring tiptext,
1032 guint row, guint col)
1033 {
1034 _actionList.push_back(
1035 new ActionUnclump(
1036 id, tiptext, row, col, *this)
1037 );
1038 }
1040 void AlignAndDistribute::addRandomizeButton(const Glib::ustring &id, const Glib::ustring tiptext,
1041 guint row, guint col)
1042 {
1043 _actionList.push_back(
1044 new ActionRandomize(
1045 id, tiptext, row, col, *this)
1046 );
1047 }
1049 void AlignAndDistribute::addBaselineButton(const Glib::ustring &id, const Glib::ustring tiptext,
1050 guint row, guint col, Gtk::Table &table, NR::Dim2 orientation, bool distribute)
1051 {
1052 _actionList.push_back(
1053 new ActionBaseline(
1054 id, tiptext, row, col,
1055 *this, table, orientation, distribute));
1056 }
1061 std::list<SPItem *>::iterator AlignAndDistribute::find_master( std::list<SPItem *> &list, bool horizontal){
1062 std::list<SPItem *>::iterator master = list.end();
1063 switch (getAlignTarget()) {
1064 case LAST:
1065 return list.begin();
1066 break;
1068 case FIRST:
1069 return --(list.end());
1070 break;
1072 case BIGGEST:
1073 {
1074 gdouble max = -1e18;
1075 for (std::list<SPItem *>::iterator it = list.begin(); it != list.end(); it++) {
1076 NR::Maybe<NR::Rect> b = sp_item_bbox_desktop (*it);
1077 if (b) {
1078 gdouble dim = b->extent(horizontal ? NR::X : NR::Y);
1079 if (dim > max) {
1080 max = dim;
1081 master = it;
1082 }
1083 }
1084 }
1085 return master;
1086 break;
1087 }
1089 case SMALLEST:
1090 {
1091 gdouble max = 1e18;
1092 for (std::list<SPItem *>::iterator it = list.begin(); it != list.end(); it++) {
1093 NR::Maybe<NR::Rect> b = sp_item_bbox_desktop (*it);
1094 if (b) {
1095 gdouble dim = b->extent(horizontal ? NR::X : NR::Y);
1096 if (dim < max) {
1097 max = dim;
1098 master = it;
1099 }
1100 }
1101 }
1102 return master;
1103 break;
1104 }
1106 default:
1107 g_assert_not_reached ();
1108 break;
1110 } // end of switch statement
1111 return master;
1112 }
1114 AlignAndDistribute::AlignTarget AlignAndDistribute::getAlignTarget()const {
1115 return AlignTarget(_combo.get_active_row_number());
1116 }
1120 } // namespace Dialog
1121 } // namespace UI
1122 } // namespace Inkscape
1124 /*
1125 Local Variables:
1126 mode:c++
1127 c-file-style:"stroustrup"
1128 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1129 indent-tabs-mode:nil
1130 fill-column:99
1131 End:
1132 */
1133 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :