modern-gtk2: Introduce OptionComboBox class (!17)
Gtk::OptionMenu is a combobox type widget that is constructed from a
Gtk::Menu rather than a Gtk::TreeModel. However Gtk::OptionMenu was
deprecated in gtkmm 2.4.1.
In GParted the Gtk::OptionMenu widget is used for:
- partition alignment combobox
- partition type combobox
- file system combobox
While they consist only of text we cannot use Gtk::ComboBoxText because
it doesn't expose functionality in its interface to make items inactive.
Create OptionComboBox helper class that builds a combobox consisting of
only text items, much like Gtk::ComboBoxText, but has the added
functionality to set items as inactive.
References:
https://developer.gnome.org/gtkmm/2.24/classGtk_1_1OptionMenu.html#details
https://gitlab.gnome.org/GNOME/gtkmm/blob/GTKMM_2_10_1/ChangeLog#L3515
bba503b047
https://developer.gnome.org/gtkmm/2.24/classGtk_1_1ComboBoxText.html
Closes !17 - Gtk2 modernisation
This commit is contained in:
Luca Bacci
Mike Fleetwood
parent
430ac9240c
commit
5407e8346b
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@ -39,6 +39,7 @@ EXTRA_DIST = \
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OperationLabelFileSystem.h \
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OperationNamePartition.h \
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OperationResizeMove.h \
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OptionComboBox.h \
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Partition.h \
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PartitionLUKS.h \
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PartitionVector.h \
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@ -0,0 +1,195 @@
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/* Copyright (C) 2018 Luca Bacci
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GPARTED_OPTIONCOMBOBOX_H
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#define GPARTED_OPTIONCOMBOBOX_H
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#include <glibmm/ustring.h>
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#include <gtkmm/combobox.h>
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#include <gtkmm/liststore.h>
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#include <gtkmm/treerowreference.h>
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namespace GParted
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{
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class OptionStore_Item;
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class OptionStore_Item_Collection;
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typedef const OptionStore_Item OptionStore_Item_Const;
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typedef const OptionStore_Item_Collection OptionStore_Item_Collection_Const;
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class OptionStore;
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// OptionStore_Item is the class that represents a single item (row).
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// It lets you manipulate the data of a single item with a convenient
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// high level interface.
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class OptionStore_Item
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{
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public:
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explicit OptionStore_Item(const Glib::RefPtr<OptionStore>& ref_model,
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const Gtk::TreeModel::iterator& iter);
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explicit OptionStore_Item(const Glib::RefPtr<OptionStore>& ref_model,
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const Gtk::TreeModel::Path& path);
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explicit OptionStore_Item(const Gtk::TreeModel::RowReference& rowreference);
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void set(const Glib::ustring& text, bool sensitive = true);
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void set_text(const Glib::ustring& text);
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void set_sensitive(bool sensitive = true);
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Glib::ustring text() const;
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bool sensitive() const;
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operator Gtk::TreeModel::iterator()
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{
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return to_iterator_();
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}
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operator Gtk::TreeModel::const_iterator() const
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{
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return to_iterator_();
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}
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private:
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Gtk::TreeModel::iterator to_iterator_() const;
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friend class OptionStore_Item_Collection;
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private:
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mutable Gtk::TreeModel::RowReference m_rowreference;
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};
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// OptionStore_Item_Collection lets you operate on OptionStore model
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// with an STL-like container interface. You can act on it like a
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// sequence of items.
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// Usually you get an OptionStore_Item_Collection by calling the items()
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// method on a OptionStore model. You can also call the items() method
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// on an OptionComboBox; it simply redirects the call to the associated
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// OptionStore model.
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class OptionStore_Item_Collection
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{
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public:
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explicit OptionStore_Item_Collection(const Glib::RefPtr<OptionStore>& ref_model);
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void push_front(const Glib::ustring& text, bool sensitive = true);
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void push_back(const Glib::ustring& text, bool sensitive = true);
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void insert(const OptionStore_Item& item,
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const Glib::ustring& text,
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bool sensitive = true);
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void insert(unsigned position,
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const Glib::ustring& text,
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bool sensitive = true);
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void pop_front();
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void pop_back();
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void erase(const OptionStore_Item& item);
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void erase(unsigned position);
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void clear();
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OptionStore_Item front();
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OptionStore_Item back();
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OptionStore_Item at(unsigned position);
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OptionStore_Item operator[](unsigned position);
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unsigned size() const;
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OptionStore_Item_Const front() const;
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OptionStore_Item_Const back() const;
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OptionStore_Item_Const at(unsigned position) const;
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OptionStore_Item_Const operator[] (unsigned position) const;
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private:
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Glib::RefPtr<OptionStore> m_ref_model;
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};
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// OptionStore is the model that backs the data for OptionComboBox.
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// It's a specialized Gtk::ListStore with a string slot for row text
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// and a boolean slot for row sensitivity (if it's false the row is
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// "grayed out").
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// Although you can call any Gtk::ListStore method (from which
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// OptionStore inherits) it is usually convenient to call the items()
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// method to get a OptionStore_Item_Collection object that provides
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// a nice, high level interface.
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class OptionStore
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: public Gtk::ListStore
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{
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public:
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typedef Gtk::ListStore Base;
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typedef OptionStore_Item Item;
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typedef OptionStore_Item_Const Item_Const;
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typedef OptionStore_Item_Collection Item_Collection;
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typedef OptionStore_Item_Collection_Const Item_Collection_Const;
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static
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Glib::RefPtr<OptionStore> create();
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Item_Collection items();
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Item_Collection_Const items() const;
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struct Slots
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{
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static Gtk::TreeModelColumn<Glib::ustring> text;
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static Gtk::TreeModelColumn<bool> sensitive;
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private:
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static Gtk::TreeModel::ColumnRecord record_;
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friend class OptionStore;
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};
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protected:
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explicit OptionStore();
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};
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// OptionComboBox is a specialized ComboBox that shows a list of rows,
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// some of which may be selectively grayed out. It is commonly used to
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// display a list of options where not all of the options can be
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// selected in all cases.
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class OptionComboBox
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: public Gtk::ComboBox
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{
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public:
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typedef Gtk::ComboBox Base;
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explicit OptionComboBox();
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explicit OptionComboBox(const Glib::RefPtr<OptionStore>& ref_model);
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void set_model(const Glib::RefPtr<OptionStore>& ref_model);
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Glib::RefPtr<OptionStore> get_model();
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OptionStore_Item_Collection items();
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OptionStore_Item get_active();
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Glib::RefPtr<const OptionStore> get_model() const;
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OptionStore_Item_Collection_Const items() const;
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OptionStore_Item_Const get_active() const;
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protected:
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void pack_cell_renderers();
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protected:
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Glib::RefPtr<OptionStore> m_ref_model;
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};
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}//GParted
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#endif /* GPARTED_OPTIONCOMBOBOX_H */
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@ -36,6 +36,7 @@ src/OperationFormat.cc
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src/OperationLabelFileSystem.cc
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src/OperationNamePartition.cc
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src/OperationResizeMove.cc
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src/OptionComboBox.cc
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src/Partition.cc
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src/PartitionLUKS.cc
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src/PartitionVector.cc
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@ -49,6 +49,7 @@ gpartedbin_SOURCES = \
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OperationLabelFileSystem.cc \
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OperationNamePartition.cc \
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OperationResizeMove.cc \
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OptionComboBox.cc \
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Partition.cc \
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PartitionLUKS.cc \
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PartitionVector.cc \
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@ -0,0 +1,377 @@
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/* Copyright (C) 2018 Luca Bacci
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "OptionComboBox.h"
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#include <glibmm/ustring.h>
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#include <gtkmm/cellrenderertext.h>
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#include <stdexcept>
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namespace GParted
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{
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// NOTE: As stated in Gtkmm3 documentation, slots can be shared for all model instances.
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// See: Class Reference for Gtk::TreeModelColumn and Gtk::TreeModelColumnRecord.
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// https://developer.gnome.org/gtkmm/3.22/classGtk_1_1TreeModelColumnRecord.html#details
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Gtk::TreeModelColumn<Glib::ustring> OptionStore::Slots::text;
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Gtk::TreeModelColumn<bool> OptionStore::Slots::sensitive;
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Gtk::TreeModel::ColumnRecord OptionStore::Slots::record_;
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OptionStore_Item::OptionStore_Item(const Glib::RefPtr<OptionStore>& ref_model,
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const Gtk::TreeModel::iterator& iter)
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: m_rowreference(ref_model, ref_model->get_path(iter))
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{}
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OptionStore_Item::OptionStore_Item(const Glib::RefPtr<OptionStore>& ref_model,
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const Gtk::TreeModel::Path& path)
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: m_rowreference(ref_model, path)
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{}
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OptionStore_Item::OptionStore_Item(const Gtk::TreeModel::RowReference& rowreference)
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: m_rowreference(rowreference)
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{}
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void OptionStore_Item::set(const Glib::ustring& text,
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bool sensitive)
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{
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Gtk::TreeModel::iterator iter = *this;
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(*iter)[OptionStore::Slots::text] = text;
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(*iter)[OptionStore::Slots::sensitive] = sensitive;
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}
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void OptionStore_Item::set_text(const Glib::ustring& text)
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{
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Gtk::TreeModel::iterator iter = *this;
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(*iter)[OptionStore::Slots::text] = text;
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}
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void OptionStore_Item::set_sensitive(bool sensitive)
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{
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Gtk::TreeModel::iterator iter = *this;
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(*iter)[OptionStore::Slots::sensitive] = sensitive;
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}
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Glib::ustring OptionStore_Item::text() const
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{
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Gtk::TreeModel::const_iterator iter = *this;
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return (*iter)[OptionStore::Slots::text];
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}
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bool OptionStore_Item::sensitive() const
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{
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Gtk::TreeModel::const_iterator iter = *this;
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return (*iter)[OptionStore::Slots::sensitive];
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}
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Gtk::TreeModel::iterator OptionStore_Item::to_iterator_() const
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{
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Gtk::TreeModel::Path path = m_rowreference.get_path();
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Glib::RefPtr<OptionStore> ref_model =
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Glib::RefPtr<OptionStore>::cast_dynamic(m_rowreference.get_model());
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if (!ref_model)
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throw std::runtime_error ("incompatible Gtk::TreeModel type.");
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return ref_model->get_iter(path);
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}
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OptionStore_Item_Collection::OptionStore_Item_Collection(const Glib::RefPtr<OptionStore>& ref_model)
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: m_ref_model(ref_model)
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{}
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void OptionStore_Item_Collection::push_front(const Glib::ustring& text,
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bool sensitive)
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{
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Gtk::TreeModel::iterator iter = m_ref_model->prepend();
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(*iter)[OptionStore::Slots::text] = text;
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(*iter)[OptionStore::Slots::sensitive] = sensitive;
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}
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void OptionStore_Item_Collection::push_back(const Glib::ustring& text,
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bool sensitive)
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{
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Gtk::TreeModel::iterator iter = m_ref_model->append();
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(*iter)[OptionStore::Slots::text] = text;
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(*iter)[OptionStore::Slots::sensitive] = sensitive;
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}
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void OptionStore_Item_Collection::insert(const OptionStore_Item& item,
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const Glib::ustring& text,
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bool sensitive)
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{
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Gtk::TreeModel::iterator previous_iter = item.to_iterator_();
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Gtk::TreeModel::iterator iter = m_ref_model->insert(previous_iter);
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(*iter)[OptionStore::Slots::text] = text;
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(*iter)[OptionStore::Slots::sensitive] = sensitive;
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}
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void OptionStore_Item_Collection::insert(unsigned position,
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const Glib::ustring& text,
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bool sensitive )
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{
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Gtk::TreeModel::iterator previous_iter = m_ref_model->children()[position];
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Gtk::TreeModel::iterator iter = m_ref_model->insert(previous_iter);
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(*iter)[OptionStore::Slots::text] = text;
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(*iter)[OptionStore::Slots::sensitive] = sensitive;
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}
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void OptionStore_Item_Collection::pop_front()
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{
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Gtk::TreeModel::iterator iter = m_ref_model->children().begin();
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m_ref_model->erase(iter);
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}
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void OptionStore_Item_Collection::pop_back()
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{
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// NOTE: To get an iterator to the last item we do not use Gtk::TreeNodeChildren::rbegin()
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// because Gtk::TreeModel::reverse_iterator is broken and has been deprecated in Gtkmm3.
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// https://bugzilla.gnome.org/show_bug.cgi?id=554889
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Gtk::TreeModel::iterator iter = m_ref_model->children().begin();
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for (unsigned i = 1; i < m_ref_model->children().size(); ++i)
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++iter;
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m_ref_model->erase(iter);
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}
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void OptionStore_Item_Collection::erase(const OptionStore_Item& item)
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{
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Gtk::TreeModel::iterator iter = item.to_iterator_();
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m_ref_model->erase(iter);
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}
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void OptionStore_Item_Collection::erase(unsigned position)
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{
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Gtk::TreeModel::iterator iter = m_ref_model->children()[position];
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m_ref_model->erase(iter);
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}
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void OptionStore_Item_Collection::clear()
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{
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m_ref_model->clear();
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}
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OptionStore_Item OptionStore_Item_Collection::front()
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{
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Gtk::TreeModel::iterator iter = m_ref_model->children().begin();
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return OptionStore_Item(m_ref_model, iter);
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}
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OptionStore_Item OptionStore_Item_Collection::back()
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{
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// NOTE: To get an iterator to the last item we do not use Gtk::TreeNodeChildren::rbegin()
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// because Gtk::TreeModel::reverse_iterator is broken and has been deprecated in Gtkmm3.
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// https://bugzilla.gnome.org/show_bug.cgi?id=554889
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Gtk::TreeModel::iterator iter = m_ref_model->children().begin();
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for (unsigned i = 1; i < m_ref_model->children().size(); ++i)
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++iter;
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return OptionStore_Item(m_ref_model, iter);
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}
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OptionStore_Item OptionStore_Item_Collection::at(unsigned position)
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{
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Gtk::TreeModel::iterator iter = m_ref_model->children()[position];
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return OptionStore_Item(m_ref_model, iter);
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}
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OptionStore_Item OptionStore_Item_Collection::operator[](unsigned position)
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{
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Gtk::TreeModel::iterator iter = m_ref_model->children()[position];
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return OptionStore_Item(m_ref_model, iter);
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}
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unsigned OptionStore_Item_Collection::size() const
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{
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return m_ref_model->children().size();
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}
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OptionStore_Item_Const OptionStore_Item_Collection::front() const
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{
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Gtk::TreeModel::iterator iter = m_ref_model->children().begin();
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return OptionStore_Item(m_ref_model, iter);
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}
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OptionStore_Item_Const OptionStore_Item_Collection::back() const
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{
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// NOTE: To get an iterator to the last item we do not use Gtk::TreeNodeChildren::rbegin()
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// because Gtk::TreeModel::reverse_iterator is broken and has been deprecated in Gtkmm3.
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// https://bugzilla.gnome.org/show_bug.cgi?id=554889
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Gtk::TreeModel::iterator iter = m_ref_model->children().begin();
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for (unsigned i = 1; i < m_ref_model->children().size(); ++i)
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++iter;
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return OptionStore_Item(m_ref_model, iter);
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}
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OptionStore_Item_Const OptionStore_Item_Collection::at(unsigned position) const
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{
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Gtk::TreeModel::iterator iter = m_ref_model->children()[position];
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return OptionStore_Item(m_ref_model, iter);
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}
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OptionStore_Item_Const OptionStore_Item_Collection::operator[](unsigned position) const
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{
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Gtk::TreeModel::iterator iter = m_ref_model->children()[position];
|
||||
return OptionStore_Item(m_ref_model, iter);
|
||||
}
|
||||
|
||||
|
||||
OptionStore::OptionStore()
|
||||
: Glib::ObjectBase("GParted_OptionStore")
|
||||
{
|
||||
if (!Slots::record_.size())
|
||||
{
|
||||
Slots::record_.add(Slots::text);
|
||||
Slots::record_.add(Slots::sensitive);
|
||||
}
|
||||
|
||||
set_column_types(Slots::record_);
|
||||
}
|
||||
|
||||
|
||||
Glib::RefPtr<OptionStore> OptionStore::create()
|
||||
{
|
||||
return Glib::RefPtr<OptionStore>(new OptionStore());
|
||||
}
|
||||
|
||||
|
||||
OptionStore_Item_Collection OptionStore::items()
|
||||
{
|
||||
return OptionStore_Item_Collection(Glib::RefPtr<OptionStore>(this));
|
||||
}
|
||||
|
||||
|
||||
OptionStore_Item_Collection_Const OptionStore::items() const
|
||||
{
|
||||
OptionStore *this_ = const_cast<OptionStore*>(this);
|
||||
|
||||
return OptionStore_Item_Collection(Glib::RefPtr<OptionStore>(this_));
|
||||
}
|
||||
|
||||
|
||||
OptionComboBox::OptionComboBox()
|
||||
: Glib::ObjectBase("GParted_OptionComboBox")
|
||||
{
|
||||
OptionComboBox::set_model(OptionStore::create());
|
||||
|
||||
pack_cell_renderers();
|
||||
}
|
||||
|
||||
|
||||
OptionComboBox::OptionComboBox(const Glib::RefPtr<OptionStore>& ref_model)
|
||||
: Glib::ObjectBase("GParted_OptionComboBox")
|
||||
{
|
||||
OptionComboBox::set_model(ref_model);
|
||||
|
||||
pack_cell_renderers();
|
||||
}
|
||||
|
||||
|
||||
void OptionComboBox::pack_cell_renderers()
|
||||
{
|
||||
Gtk::CellLayout::clear();
|
||||
|
||||
Gtk::CellRendererText *cell = manage(new Gtk::CellRendererText());
|
||||
pack_start(*cell);
|
||||
add_attribute(*cell, "text", OptionStore::Slots::text);
|
||||
add_attribute(*cell, "sensitive", OptionStore::Slots::sensitive);
|
||||
}
|
||||
|
||||
|
||||
OptionStore_Item_Collection OptionComboBox::items()
|
||||
{
|
||||
return OptionStore_Item_Collection(m_ref_model);
|
||||
}
|
||||
|
||||
|
||||
OptionStore_Item_Collection_Const OptionComboBox::items() const
|
||||
{
|
||||
return OptionStore_Item_Collection(m_ref_model);
|
||||
}
|
||||
|
||||
|
||||
void OptionComboBox::set_model(const Glib::RefPtr<OptionStore>& ref_model)
|
||||
{
|
||||
Base::set_model(ref_model);
|
||||
m_ref_model = ref_model;
|
||||
}
|
||||
|
||||
|
||||
Glib::RefPtr<OptionStore> OptionComboBox::get_model()
|
||||
{
|
||||
return m_ref_model;
|
||||
}
|
||||
|
||||
|
||||
Glib::RefPtr<const OptionStore> OptionComboBox::get_model() const
|
||||
{
|
||||
return m_ref_model;
|
||||
}
|
||||
|
||||
|
||||
OptionStore_Item OptionComboBox::get_active()
|
||||
{
|
||||
return OptionStore_Item(m_ref_model, Base::get_active());
|
||||
}
|
||||
|
||||
|
||||
OptionStore_Item_Const OptionComboBox::get_active() const
|
||||
{
|
||||
// NOTE: (for Gtkmm4) having a const_iterator, you can get an iterator with
|
||||
// iter = m_ref_model->get_iter(m_ref_model->get_path(const_iter));
|
||||
|
||||
return OptionStore_Item(m_ref_model, Base::get_active());
|
||||
}
|
||||
|
||||
|
||||
}//GParted
|
||||
Loading…
Reference in New Issue