src/dialogs/layer-properties.cpp

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