src/ui/dialog/layer-properties.cpp

   1 /** @file
   2  * @brief Dialog for renaming layers
   3  */
   4 /* Author:
   5  *   Bryce W. Harrington <bryce@bryceharrington.com>
   6  *   Andrius R. <knutux@gmail.com>
   7  *
   8  * Copyright (C) 2004 Bryce Harrington
   9  * Copyright (C) 2006 Andrius R.
  10  *
  11  * Released under GNU GPL.  Read the file 'COPYING' for more information
  12  */
  13
  14 #include <gtkmm/stock.h>
  15 #include <glibmm/i18n.h>
  16 #include "inkscape.h"
  17 #include "desktop.h"
  18 #include "document.h"
  19 #include "layer-manager.h"
  20 #include "message-stack.h"
  21 #include "desktop-handles.h"
  22 #include "sp-object.h"
  23 #include "sp-item.h"
  24
  25 #include "layer-properties.h"
  26
  27 namespace Inkscape {
  28 namespace UI {
  29 namespace Dialogs {
  30
  31 LayerPropertiesDialog::LayerPropertiesDialog()
  32 : _strategy(NULL), _desktop(NULL), _layer(NULL), _position_visible(false)
  33 {
  34     Gtk::VBox *mainVBox = get_vbox();
  35
  36     _layout_table.set_spacings(4);
  37     _layout_table.resize (1, 2);
  38
  39     // Layer name widgets
  40     _layer_name_entry.set_activates_default(true);
  41     _layer_name_label.set_label(_("Layer name:"));
  42     _layer_name_label.set_alignment(1.0, 0.5);
  43
  44     _layout_table.attach(_layer_name_label,
  45                          0, 1, 0, 1, Gtk::FILL, Gtk::FILL);
  46     _layout_table.attach(_layer_name_entry,
  47                          1, 2, 0, 1, Gtk::FILL | Gtk::EXPAND, Gtk::FILL);
  48     mainVBox->pack_start(_layout_table, false, false, 4);
  49
  50     // Buttons
  51     _close_button.set_use_stock(true);
  52     _close_button.set_label(Gtk::Stock::CANCEL.id);
  53     _close_button.set_flags(Gtk::CAN_DEFAULT);
  54
  55     _apply_button.set_use_underline(true);
  56     _apply_button.set_flags(Gtk::CAN_DEFAULT);
  57
  58     _close_button.signal_clicked()
  59         .connect(sigc::mem_fun(*this, &LayerPropertiesDialog::_close));
  60     _apply_button.signal_clicked()
  61         .connect(sigc::mem_fun(*this, &LayerPropertiesDialog::_apply));
  62
  63     signal_delete_event().connect(
  64         sigc::bind_return(
  65             sigc::hide(sigc::mem_fun(*this, &LayerPropertiesDialog::_close)),
  66             true
  67         )
  68     );
  69
  70     add_action_widget(_close_button, Gtk::RESPONSE_CLOSE);
  71     add_action_widget(_apply_button, Gtk::RESPONSE_APPLY);
  72
  73     _apply_button.grab_default();
  74
  75     show_all_children();
  76 }
  77
  78 LayerPropertiesDialog::~LayerPropertiesDialog() {
  79     _setDesktop(NULL);
  80     _setLayer(NULL);
  81 }
  82
  83 void LayerPropertiesDialog::_showDialog(LayerPropertiesDialog::Strategy &strategy,
  84                                         SPDesktop *desktop, SPObject *layer)
  85 {
  86     LayerPropertiesDialog *dialog = new LayerPropertiesDialog();
  87
  88     dialog->_strategy = &strategy;
  89     dialog->_setDesktop(desktop);
  90     dialog->_setLayer(layer);
  91
  92     dialog->_strategy->setup(*dialog);
  93
  94     dialog->set_modal(true);
  95     desktop->setWindowTransient (dialog->gobj());
  96     dialog->property_destroy_with_parent() = true;
  97
  98     dialog->show();
  99     dialog->present();
 100 }
 101
 102 void
 103 LayerPropertiesDialog::_apply()
 104 {
 105     g_assert(_strategy != NULL);
 106
 107     _strategy->perform(*this);
 108     SPDocumentUndo::done(sp_desktop_document(SP_ACTIVE_DESKTOP), SP_VERB_NONE,
 109                      _("Add layer"));
 110
 111     _close();
 112 }
 113
 114 void
 115 LayerPropertiesDialog::_close()
 116 {
 117     _setLayer(NULL);
 118     _setDesktop(NULL);
 119     destroy_();
 120     Glib::signal_idle().connect(
 121         sigc::bind_return(
 122             sigc::bind(sigc::ptr_fun(&::operator delete), this),
 123             false
 124         )
 125     );
 126 }
 127
 128 void
 129 LayerPropertiesDialog::_setup_position_controls() {
 130     if ( NULL == _layer || _desktop->currentRoot() == _layer ) {
 131         // no layers yet, so option above/below/sublayer is useless
 132         return;
 133     }
 134
 135     _position_visible = true;
 136     _dropdown_list = Gtk::ListStore::create(_dropdown_columns);
 137     _layer_position_combo.set_model(_dropdown_list);
 138     _layer_position_combo.pack_start(_label_renderer);
 139     _layer_position_combo.set_cell_data_func(_label_renderer,
 140                                              sigc::mem_fun(*this, &LayerPropertiesDialog::_prepareLabelRenderer));
 141
 142     _layout_table.resize (2, 2);
 143
 144     Gtk::ListStore::iterator row;
 145     row = _dropdown_list->append();
 146     row->set_value(_dropdown_columns.position, LPOS_ABOVE);
 147     row->set_value(_dropdown_columns.name, Glib::ustring(_("Above current")));
 148     _layer_position_combo.set_active(row);
 149     row = _dropdown_list->append();
 150     row->set_value(_dropdown_columns.position, LPOS_BELOW);
 151     row->set_value(_dropdown_columns.name, Glib::ustring(_("Below current")));
 152     row = _dropdown_list->append();
 153     row->set_value(_dropdown_columns.position, LPOS_CHILD);
 154     row->set_value(_dropdown_columns.name, Glib::ustring(_("As sublayer of current")));
 155
 156     _layout_table.attach(_layer_position_combo,
 157                          1, 2, 1, 2, Gtk::FILL | Gtk::EXPAND, Gtk::FILL);
 158     _layer_position_label.set_label(_("Position:"));
 159     _layer_position_label.set_alignment(1.0, 0.5);
 160     _layout_table.attach(_layer_position_label,
 161                          0, 1, 1, 2, Gtk::FILL, Gtk::FILL);
 162     show_all_children();
 163 }
 164
 165 /** Formats the label for a given layer row
 166  */
 167 void LayerPropertiesDialog::_prepareLabelRenderer(
 168     Gtk::TreeModel::const_iterator const &row
 169 ) {
 170     Glib::ustring name=(*row)[_dropdown_columns.name];
 171     _label_renderer.property_markup() = name.c_str();
 172 }
 173
 174 void LayerPropertiesDialog::Rename::setup(LayerPropertiesDialog &dialog) {
 175     SPDesktop *desktop=dialog._desktop;
 176     dialog.set_title(_("Rename Layer"));
 177     gchar const *name = desktop->currentLayer()->label();
 178     dialog._layer_name_entry.set_text(( name ? name : _("Layer") ));
 179     dialog._apply_button.set_label(_("_Rename"));
 180 }
 181
 182 void LayerPropertiesDialog::Rename::perform(LayerPropertiesDialog &dialog) {
 183     SPDesktop *desktop=dialog._desktop;
 184     Glib::ustring name(dialog._layer_name_entry.get_text());
 185     if (name.empty())
 186         return;
 187     desktop->layer_manager->renameLayer( desktop->currentLayer(),
 188                                          (gchar *)name.c_str(),
 189                                          FALSE
 190     );
 191     SPDocumentUndo::done(sp_desktop_document(desktop), SP_VERB_NONE,
 192                      _("Rename layer"));
 193     // TRANSLATORS: This means "The layer has been renamed"
 194     desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Renamed layer"));
 195 }
 196
 197 void LayerPropertiesDialog::Create::setup(LayerPropertiesDialog &dialog) {
 198     dialog.set_title(_("Add Layer"));
 199     //TODO: find an unused layer number, forming name from _("Layer ") + "%d"
 200     dialog._layer_name_entry.set_text(_("Layer"));
 201     dialog._apply_button.set_label(_("_Add"));
 202     dialog._setup_position_controls();
 203 }
 204
 205 void LayerPropertiesDialog::Create::perform(LayerPropertiesDialog &dialog) {
 206     SPDesktop *desktop=dialog._desktop;
 207
 208     LayerRelativePosition position = LPOS_ABOVE;
 209
 210     if (dialog._position_visible) {
 211         Gtk::ListStore::iterator activeRow(dialog._layer_position_combo.get_active());
 212         position = activeRow->get_value(dialog._dropdown_columns.position);
 213     }
 214     Glib::ustring name(dialog._layer_name_entry.get_text());
 215     if (name.empty())
 216         return;
 217
 218     SPObject *new_layer=Inkscape::create_layer(desktop->currentRoot(), dialog._layer, position);
 219
 220     if (!name.empty()) {
 221         desktop->layer_manager->renameLayer( new_layer, (gchar *)name.c_str(), TRUE );
 222     }
 223     sp_desktop_selection(desktop)->clear();
 224     desktop->setCurrentLayer(new_layer);
 225     desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("New layer created."));
 226 }
 227
 228 void LayerPropertiesDialog::_setDesktop(SPDesktop *desktop) {
 229     if (desktop) {
 230         Inkscape::GC::anchor (desktop);
 231     }
 232     if (_desktop) {
 233         Inkscape::GC::release (_desktop);
 234     }
 235     _desktop = desktop;
 236 }
 237
 238 void LayerPropertiesDialog::_setLayer(SPObject *layer) {
 239     if (layer) {
 240         sp_object_ref(layer, NULL);
 241     }
 242     if (_layer) {
 243         sp_object_unref(_layer, NULL);
 244     }
 245     _layer = layer;
 246 }
 247
 248 } // namespace
 249 } // namespace
 250 } // namespace
 251
 252
 253 /*
 254   Local Variables:
 255   mode:c++
 256   c-file-style:"stroustrup"
 257   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 258   indent-tabs-mode:nil
 259   fill-column:99
 260   End:
 261 */
 262 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :