1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /**
3 * @file
4 * Dialog for renaming layers.
5 */
6 /* Author:
7 * Bryce W. Harrington <bryce@bryceharrington.org>
8 * Andrius R. <knutux@gmail.com>
9 * Abhishek Sharma
10 *
11 * Copyright (C) 2004 Bryce Harrington
12 * Copyright (C) 2006 Andrius R.
13 *
14 * Released under GNU GPL v2+, read the file 'COPYING' for more information.
15 */
16
17 #include "layer-properties.h"
18 #include <glibmm/i18n.h>
19 #include <glibmm/main.h>
20
21 #include "inkscape.h"
22 #include "desktop.h"
23 #include "document.h"
24 #include "document-undo.h"
25 #include "layer-manager.h"
26 #include "message-stack.h"
27
28 #include "verbs.h"
29 #include "selection-chemistry.h"
30 #include "ui/icon-names.h"
31 #include "ui/widget/imagetoggler.h"
32 #include "ui/tools/tool-base.h"
33
34 namespace Inkscape {
35 namespace UI {
36 namespace Dialogs {
37
LayerPropertiesDialog()38 LayerPropertiesDialog::LayerPropertiesDialog()
39 : _strategy(nullptr),
40 _desktop(nullptr),
41 _layer(nullptr),
42 _position_visible(false),
43 _close_button(_("_Cancel"), true)
44 {
45 auto mainVBox = get_content_area();
46 _layout_table.set_row_spacing(4);
47 _layout_table.set_column_spacing(4);
48
49 // Layer name widgets
50 _layer_name_entry.set_activates_default(true);
51 _layer_name_label.set_label(_("Layer name:"));
52 _layer_name_label.set_halign(Gtk::ALIGN_START);
53 _layer_name_label.set_valign(Gtk::ALIGN_CENTER);
54
55 _layout_table.attach(_layer_name_label, 0, 0, 1, 1);
56
57 _layer_name_entry.set_halign(Gtk::ALIGN_FILL);
58 _layer_name_entry.set_valign(Gtk::ALIGN_FILL);
59 _layer_name_entry.set_hexpand();
60 _layout_table.attach(_layer_name_entry, 1, 0, 1, 1);
61
62 mainVBox->pack_start(_layout_table, true, true, 4);
63
64 // Buttons
65 _close_button.set_can_default();
66
67 _apply_button.set_use_underline(true);
68 _apply_button.set_can_default();
69
70 _close_button.signal_clicked()
71 .connect(sigc::mem_fun(*this, &LayerPropertiesDialog::_close));
72 _apply_button.signal_clicked()
73 .connect(sigc::mem_fun(*this, &LayerPropertiesDialog::_apply));
74
75 signal_delete_event().connect(
76 sigc::bind_return(
77 sigc::hide(sigc::mem_fun(*this, &LayerPropertiesDialog::_close)),
78 true
79 )
80 );
81
82 add_action_widget(_close_button, Gtk::RESPONSE_CLOSE);
83 add_action_widget(_apply_button, Gtk::RESPONSE_APPLY);
84
85 _apply_button.grab_default();
86
87 show_all_children();
88 }
89
~LayerPropertiesDialog()90 LayerPropertiesDialog::~LayerPropertiesDialog() {
91
92 _setDesktop(nullptr);
93 _setLayer(nullptr);
94 }
95
_showDialog(LayerPropertiesDialog::Strategy & strategy,SPDesktop * desktop,SPObject * layer)96 void LayerPropertiesDialog::_showDialog(LayerPropertiesDialog::Strategy &strategy,
97 SPDesktop *desktop, SPObject *layer)
98 {
99 LayerPropertiesDialog *dialog = new LayerPropertiesDialog();
100
101 dialog->_strategy = &strategy;
102 dialog->_setDesktop(desktop);
103 dialog->_setLayer(layer);
104
105 dialog->_strategy->setup(*dialog);
106
107 dialog->set_modal(true);
108 desktop->setWindowTransient (dialog->gobj());
109 dialog->property_destroy_with_parent() = true;
110
111 dialog->show();
112 dialog->present();
113 }
114
115 void
_apply()116 LayerPropertiesDialog::_apply()
117 {
118 g_assert(_strategy != nullptr);
119
120 _strategy->perform(*this);
121 _close();
122 }
123
124 void
_close()125 LayerPropertiesDialog::_close()
126 {
127 _setLayer(nullptr);
128 _setDesktop(nullptr);
129 destroy_();
130 Glib::signal_idle().connect(
131 sigc::bind_return(
132 sigc::bind(sigc::ptr_fun<void*, void>(&::operator delete), this),
133 false
134 )
135 );
136 }
137
138 void
_setup_position_controls()139 LayerPropertiesDialog::_setup_position_controls() {
140 if ( nullptr == _layer || _desktop->currentRoot() == _layer ) {
141 // no layers yet, so option above/below/sublayer is useless
142 return;
143 }
144
145 _position_visible = true;
146 _dropdown_list = Gtk::ListStore::create(_dropdown_columns);
147 _layer_position_combo.set_model(_dropdown_list);
148 _layer_position_combo.pack_start(_label_renderer);
149 _layer_position_combo.set_cell_data_func(_label_renderer,
150 sigc::mem_fun(*this, &LayerPropertiesDialog::_prepareLabelRenderer));
151
152 Gtk::ListStore::iterator row;
153 row = _dropdown_list->append();
154 row->set_value(_dropdown_columns.position, LPOS_ABOVE);
155 row->set_value(_dropdown_columns.name, Glib::ustring(_("Above current")));
156 _layer_position_combo.set_active(row);
157 row = _dropdown_list->append();
158 row->set_value(_dropdown_columns.position, LPOS_BELOW);
159 row->set_value(_dropdown_columns.name, Glib::ustring(_("Below current")));
160 row = _dropdown_list->append();
161 row->set_value(_dropdown_columns.position, LPOS_CHILD);
162 row->set_value(_dropdown_columns.name, Glib::ustring(_("As sublayer of current")));
163
164 _layer_position_label.set_label(_("Position:"));
165 _layer_position_label.set_halign(Gtk::ALIGN_START);
166 _layer_position_label.set_valign(Gtk::ALIGN_CENTER);
167
168 _layer_position_combo.set_halign(Gtk::ALIGN_FILL);
169 _layer_position_combo.set_valign(Gtk::ALIGN_FILL);
170 _layer_position_combo.set_hexpand();
171 _layout_table.attach(_layer_position_combo, 1, 1, 1, 1);
172
173 _layout_table.attach(_layer_position_label, 0, 1, 1, 1);
174
175 show_all_children();
176 }
177
178 void
_setup_layers_controls()179 LayerPropertiesDialog::_setup_layers_controls() {
180
181 ModelColumns *zoop = new ModelColumns();
182 _model = zoop;
183 _store = Gtk::TreeStore::create( *zoop );
184 _tree.set_model( _store );
185 _tree.set_headers_visible(false);
186
187 Inkscape::UI::Widget::ImageToggler *eyeRenderer = Gtk::manage( new Inkscape::UI::Widget::ImageToggler(
188 INKSCAPE_ICON("object-visible"), INKSCAPE_ICON("object-hidden")) );
189 int visibleColNum = _tree.append_column("vis", *eyeRenderer) - 1;
190 Gtk::TreeViewColumn* col = _tree.get_column(visibleColNum);
191 if ( col ) {
192 col->add_attribute( eyeRenderer->property_active(), _model->_colVisible );
193 }
194
195 Inkscape::UI::Widget::ImageToggler * renderer = Gtk::manage( new Inkscape::UI::Widget::ImageToggler(
196 INKSCAPE_ICON("object-locked"), INKSCAPE_ICON("object-unlocked")) );
197 int lockedColNum = _tree.append_column("lock", *renderer) - 1;
198 col = _tree.get_column(lockedColNum);
199 if ( col ) {
200 col->add_attribute( renderer->property_active(), _model->_colLocked );
201 }
202
203 Gtk::CellRendererText *_text_renderer = Gtk::manage(new Gtk::CellRendererText());
204 int nameColNum = _tree.append_column("Name", *_text_renderer) - 1;
205 Gtk::TreeView::Column *_name_column = _tree.get_column(nameColNum);
206 _name_column->add_attribute(_text_renderer->property_text(), _model->_colLabel);
207
208 _tree.set_expander_column( *_tree.get_column(nameColNum) );
209 _tree.signal_key_press_event().connect( sigc::mem_fun(*this, &LayerPropertiesDialog::_handleKeyEvent), false );
210 _tree.signal_button_press_event().connect_notify( sigc::mem_fun(*this, &LayerPropertiesDialog::_handleButtonEvent) );
211
212 _scroller.add( _tree );
213 _scroller.set_policy( Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC );
214 _scroller.set_shadow_type(Gtk::SHADOW_IN);
215 _scroller.set_size_request(220, 180);
216
217 SPDocument* document = _desktop->doc();
218 SPRoot* root = document->getRoot();
219 if ( root ) {
220 SPObject* target = _desktop->currentLayer();
221 _store->clear();
222 _addLayer( document, SP_OBJECT(root), nullptr, target, 0 );
223 }
224
225 _layout_table.remove(_layer_name_entry);
226 _layout_table.remove(_layer_name_label);
227
228 _scroller.set_halign(Gtk::ALIGN_FILL);
229 _scroller.set_valign(Gtk::ALIGN_FILL);
230 _scroller.set_hexpand();
231 _scroller.set_vexpand();
232 _scroller.set_propagate_natural_width(true);
233 _scroller.set_propagate_natural_height(true);
234 _layout_table.attach(_scroller, 0, 1, 2, 1);
235
236 show_all_children();
237 }
238
_addLayer(SPDocument * doc,SPObject * layer,Gtk::TreeModel::Row * parentRow,SPObject * target,int level)239 void LayerPropertiesDialog::_addLayer( SPDocument* doc, SPObject* layer, Gtk::TreeModel::Row* parentRow, SPObject* target, int level )
240 {
241 int _maxNestDepth = 20;
242 if ( _desktop && _desktop->layer_manager && layer && (level < _maxNestDepth) ) {
243 unsigned int counter = _desktop->layer_manager->childCount(layer);
244 for ( unsigned int i = 0; i < counter; i++ ) {
245 SPObject *child = _desktop->layer_manager->nthChildOf(layer, i);
246 if ( child ) {
247 #if DUMP_LAYERS
248 g_message(" %3d layer:%p {%s} [%s]", level, child, child->id, child->label() );
249 #endif // DUMP_LAYERS
250
251 Gtk::TreeModel::iterator iter = parentRow ? _store->prepend(parentRow->children()) : _store->prepend();
252 Gtk::TreeModel::Row row = *iter;
253 row[_model->_colObject] = child;
254 row[_model->_colLabel] = child->label() ? child->label() : child->getId();
255 row[_model->_colVisible] = SP_IS_ITEM(child) ? !SP_ITEM(child)->isHidden() : false;
256 row[_model->_colLocked] = SP_IS_ITEM(child) ? SP_ITEM(child)->isLocked() : false;
257
258 if ( target && child == target ) {
259 _tree.expand_to_path( _store->get_path(iter) );
260
261 Glib::RefPtr<Gtk::TreeSelection> select = _tree.get_selection();
262 select->select(iter);
263
264 //_checkTreeSelection();
265 }
266
267 _addLayer( doc, child, &row, target, level + 1 );
268 }
269 }
270 }
271 }
272
_selectedLayer()273 SPObject* LayerPropertiesDialog::_selectedLayer()
274 {
275 SPObject* obj = nullptr;
276
277 Gtk::TreeModel::iterator iter = _tree.get_selection()->get_selected();
278 if ( iter ) {
279 Gtk::TreeModel::Row row = *iter;
280 obj = row[_model->_colObject];
281 }
282
283 return obj;
284 }
285
_handleKeyEvent(GdkEventKey * event)286 bool LayerPropertiesDialog::_handleKeyEvent(GdkEventKey *event)
287 {
288
289 switch (Inkscape::UI::Tools::get_latin_keyval(event)) {
290 case GDK_KEY_Return:
291 case GDK_KEY_KP_Enter: {
292 _strategy->perform(*this);
293 _close();
294 return true;
295 }
296 break;
297 }
298 return false;
299 }
300
_handleButtonEvent(GdkEventButton * event)301 void LayerPropertiesDialog::_handleButtonEvent(GdkEventButton* event)
302 {
303 if ( (event->type == GDK_2BUTTON_PRESS) && (event->button == 1) ) {
304 _strategy->perform(*this);
305 _close();
306 }
307 }
308
309 /** Formats the label for a given layer row
310 */
_prepareLabelRenderer(Gtk::TreeModel::const_iterator const & row)311 void LayerPropertiesDialog::_prepareLabelRenderer(
312 Gtk::TreeModel::const_iterator const &row
313 ) {
314 Glib::ustring name=(*row)[_dropdown_columns.name];
315 _label_renderer.property_markup() = name.c_str();
316 }
317
setup(LayerPropertiesDialog & dialog)318 void LayerPropertiesDialog::Rename::setup(LayerPropertiesDialog &dialog) {
319 SPDesktop *desktop=dialog._desktop;
320 dialog.set_title(_("Rename Layer"));
321 gchar const *name = desktop->currentLayer()->label();
322 dialog._layer_name_entry.set_text(( name ? name : _("Layer") ));
323 dialog._apply_button.set_label(_("_Rename"));
324 }
325
perform(LayerPropertiesDialog & dialog)326 void LayerPropertiesDialog::Rename::perform(LayerPropertiesDialog &dialog) {
327 SPDesktop *desktop=dialog._desktop;
328 Glib::ustring name(dialog._layer_name_entry.get_text());
329 if (name.empty())
330 return;
331 desktop->layer_manager->renameLayer( desktop->currentLayer(),
332 (gchar *)name.c_str(),
333 FALSE
334 );
335 DocumentUndo::done(desktop->getDocument(), SP_VERB_LAYER_RENAME, _("Rename layer"));
336 // TRANSLATORS: This means "The layer has been renamed"
337 desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Renamed layer"));
338 }
339
setup(LayerPropertiesDialog & dialog)340 void LayerPropertiesDialog::Create::setup(LayerPropertiesDialog &dialog) {
341 dialog.set_title(_("Add Layer"));
342
343 // Set the initial name to the "next available" layer name
344 LayerManager *mgr = dialog._desktop->layer_manager;
345 Glib::ustring newName = mgr->getNextLayerName(nullptr, dialog._desktop->currentLayer()->label());
346 dialog._layer_name_entry.set_text(newName.c_str());
347 dialog._apply_button.set_label(_("_Add"));
348 dialog._setup_position_controls();
349 }
350
perform(LayerPropertiesDialog & dialog)351 void LayerPropertiesDialog::Create::perform(LayerPropertiesDialog &dialog) {
352 SPDesktop *desktop=dialog._desktop;
353
354 LayerRelativePosition position = LPOS_ABOVE;
355
356 if (dialog._position_visible) {
357 Gtk::ListStore::iterator activeRow(dialog._layer_position_combo.get_active());
358 position = activeRow->get_value(dialog._dropdown_columns.position);
359 }
360 Glib::ustring name(dialog._layer_name_entry.get_text());
361 if (name.empty())
362 return;
363
364 SPObject *new_layer=Inkscape::create_layer(desktop->currentRoot(), dialog._layer, position);
365
366 if (!name.empty()) {
367 desktop->layer_manager->renameLayer( new_layer, (gchar *)name.c_str(), TRUE );
368 }
369 desktop->getSelection()->clear();
370 desktop->setCurrentLayer(new_layer);
371 DocumentUndo::done(desktop->getDocument(), SP_VERB_LAYER_NEW, _("Add layer"));
372 desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("New layer created."));
373 }
374
setup(LayerPropertiesDialog & dialog)375 void LayerPropertiesDialog::Move::setup(LayerPropertiesDialog &dialog) {
376 dialog.set_title(_("Move to Layer"));
377 //TODO: find an unused layer number, forming name from _("Layer ") + "%d"
378 dialog._layer_name_entry.set_text(_("Layer"));
379 dialog._apply_button.set_label(_("_Move"));
380 dialog._setup_layers_controls();
381 }
382
perform(LayerPropertiesDialog & dialog)383 void LayerPropertiesDialog::Move::perform(LayerPropertiesDialog &dialog) {
384
385 SPObject *moveto = dialog._selectedLayer();
386 dialog._desktop->selection->toLayer(moveto);
387 }
388
_setDesktop(SPDesktop * desktop)389 void LayerPropertiesDialog::_setDesktop(SPDesktop *desktop) {
390 if (desktop) {
391 Inkscape::GC::anchor (desktop);
392 }
393 if (_desktop) {
394 Inkscape::GC::release (_desktop);
395 }
396 _desktop = desktop;
397 }
398
_setLayer(SPObject * layer)399 void LayerPropertiesDialog::_setLayer(SPObject *layer) {
400 if (layer) {
401 sp_object_ref(layer, nullptr);
402 }
403 if (_layer) {
404 sp_object_unref(_layer, nullptr);
405 }
406 _layer = layer;
407 }
408
409 } // namespace
410 } // namespace
411 } // namespace
412
413
414 /*
415 Local Variables:
416 mode:c++
417 c-file-style:"stroustrup"
418 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
419 indent-tabs-mode:nil
420 fill-column:99
421 End:
422 */
423 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
424