GradientToolbar: GtkAction migration

1 files changed, 209 insertions, 0 deletions

diff --git a/src/ui/widget/combo-tool-item.cpp b/src/ui/widget/combo-tool-item.cpp
new file mode 100644
index 000000000..7872376eb
--- /dev/null
+++ b/src/ui/widget/combo-tool-item.cpp
@@ -0,0 +1,209 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Authors:
+ *   Tavmjong Bah <tavmjong@free.fr>
+ *
+ * Copyright  (C) 2017 Tavmjong Bah
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+
+/** \file
+    A combobox that can be displayed in a toolbar.
+*/
+
+#include "combo-tool-item.h"
+
+#include <iostream>
+#include <utility>
+#include <gtkmm/toolitem.h>
+#include <gtkmm/menuitem.h>
+#include <gtkmm/radiomenuitem.h>
+#include <gtkmm/combobox.h>
+#include <gtkmm/menu.h>
+#include <gtkmm/box.h>
+#include <gtkmm/label.h>
+#include <gtkmm/image.h>
+
+namespace Inkscape {
+namespace UI {
+namespace Widget {
+
+ComboToolItem*
+ComboToolItem::create(const Glib::ustring &group_label,
+                      const Glib::ustring &tooltip,
+                      const Glib::ustring &stock_id,
+                      Glib::RefPtr<Gtk::ListStore> store )
+{
+    return new ComboToolItem(group_label, tooltip, stock_id, store);
+}
+
+ComboToolItem::ComboToolItem(const Glib::ustring &group_label,
+                             const Glib::ustring &tooltip,
+                             const Glib::ustring &stock_id,
+                             Glib::RefPtr<Gtk::ListStore> store ) :
+    _group_label( group_label ),
+    _tooltip( tooltip ),
+    _stock_id( stock_id ),
+    _store (std::move(store)),
+    _use_label (true),
+    _use_icon  (true),
+    _use_pixbuf (false),
+    _icon_size ( Gtk::ICON_SIZE_LARGE_TOOLBAR ),
+    _combobox (nullptr),
+    _menuitem (nullptr)
+{
+    Gtk::Box* box = Gtk::manage(new Gtk::Box());
+    add(*box);
+
+    if (_use_group_label) {
+        Gtk::Label *group_label = Gtk::manage (new Gtk::Label( _group_label + ": " ));
+        box->add( *group_label );
+    }
+
+    // Create combobox
+    _combobox = Gtk::manage (new Gtk::ComboBox());
+    _combobox->set_model(_store);
+
+    ComboToolItemColumns columns;
+    if (_use_icon) {
+        Gtk::CellRendererPixbuf *renderer = new Gtk::CellRendererPixbuf;
+        renderer->set_property ("stock_size", Gtk::ICON_SIZE_LARGE_TOOLBAR);
+        _combobox->pack_start (*renderer, false);
+        _combobox->add_attribute (*renderer, "icon_name", columns.col_icon   );
+    } else if (_use_pixbuf) {
+        Gtk::CellRendererPixbuf *renderer = new Gtk::CellRendererPixbuf;
+        //renderer->set_property ("stock_size", Gtk::ICON_SIZE_LARGE_TOOLBAR);
+        _combobox->pack_start (*renderer, false);
+        _combobox->add_attribute (*renderer, "pixbuf", columns.col_pixbuf   );
+    }
+
+    if (_use_label) {
+        _combobox->pack_start(columns.col_label);
+    }
+
+    std::vector<Gtk::CellRenderer*> cells = _combobox->get_cells();
+    for (auto & cell : cells) {
+        _combobox->add_attribute (*cell, "sensitive", columns.col_sensitive);
+    }
+
+    _combobox->set_active (_active);
+
+    _combobox->signal_changed().connect(
+            sigc::mem_fun(*this, &ComboToolItem::on_changed_combobox));
+
+    box->add (*_combobox);
+
+    show_all();
+}
+
+void
+ComboToolItem::set_active (gint active) {
+
+    if (active < 0) {
+        std::cerr << "ComboToolItem::set_active: active < 0: " << active << std::endl;
+        return;
+    }
+
+    if (_active != active) {
+
+        _active = active;
+
+        if (_combobox) {
+            _combobox->set_active (active);
+        }
+
+        if (active < _radiomenuitems.size()) {
+            _radiomenuitems[ active ]->set_active();
+        }
+    }
+}
+
+Glib::ustring
+ComboToolItem::get_active_text () {
+    Gtk::TreeModel::Row row = _store->children()[_active];
+    ComboToolItemColumns columns;
+    Glib::ustring label = row[columns.col_label];
+    return label;
+}
+
+bool
+ComboToolItem::on_create_menu_proxy()
+{
+    if (_menuitem == nullptr) {
+
+        _menuitem = Gtk::manage (new Gtk::MenuItem);
+        Gtk::Menu *menu = Gtk::manage (new Gtk::Menu);
+
+        Gtk::RadioButton::Group group;
+        int index = 0;
+        auto children = _store->children();
+        for (auto row : children) {
+            ComboToolItemColumns columns;
+            Glib::ustring label     = row[columns.col_label     ];
+            Glib::ustring icon      = row[columns.col_icon      ];
+            Glib::ustring tooltip   = row[columns.col_tooltip   ];
+            bool          sensitive = row[columns.col_sensitive ];
+
+            Gtk::RadioMenuItem* button = Gtk::manage(new Gtk::RadioMenuItem(group));
+            button->set_label (label);
+            button->set_tooltip_text( tooltip );
+            button->set_sensitive( sensitive );
+
+            button->signal_toggled().connect( sigc::bind<0>(
+              sigc::mem_fun(*this, &ComboToolItem::on_toggled_radiomenu), index++)
+                );
+
+            menu->add (*button);
+
+            _radiomenuitems.push_back( button );
+        }
+
+        if ( _active < _radiomenuitems.size()) {
+            _radiomenuitems[ _active ]->set_active();
+        }
+   
+        _menuitem->set_submenu (*menu);
+        _menuitem->show_all();
+    }
+
+    set_proxy_menu_item(_group_label, *_menuitem);
+    return true;
+}
+
+void
+ComboToolItem::on_changed_combobox() {
+
+    int row = _combobox->get_active_row_number();
+    if (row < 0) row = 0;  // Happens when Gtk::ListStore reconstructed
+    set_active( row );
+    _changed.emit (_active);
+    _changed_after.emit (_active);
+}
+
+void
+ComboToolItem::on_toggled_radiomenu(int n) {
+
+    // toggled emitted twice, first for button toggled off, second for button toggled on.
+    // We want to react only to the button turned on.
+    if ( n < _radiomenuitems.size() &&_radiomenuitems[ n ]->get_active()) {
+        set_active ( n );
+        _changed.emit (_active);
+        _changed_after.emit (_active);
+    }
+}
+
+}
+}
+}
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :