2 Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /** @file src/wx/content_widget.h
21 * @brief ContentWidget class.
24 #ifndef DCPOMATIC_MULTIPLE_WIDGET_H
25 #define DCPOMATIC_MULTIPLE_WIDGET_H
29 #include <wx/gbsizer.h>
30 #include <wx/spinctrl.h>
31 #include <boost/function.hpp>
34 /** @class ContentWidget
35 * @brief A widget which represents some Content state and which can be used
36 * when multiple pieces of content are selected.
38 * @param S Type containing the content being represented (e.g. VideoContent)
39 * @param T Type of the widget (e.g. wxSpinCtrl)
40 * @param U Data type of state as used by the model.
41 * @param V Data type of state as used by the view.
43 template <class S, class T, typename U, typename V>
47 /** @param parent Parent window.
48 * @param wrapped Control widget that we are wrapping.
49 * @param property ContentProperty that the widget is handling.
50 * @param model_getter Function on the Content to get the value.
51 * @param model_setter Function on the Content to set the value.
57 boost::function<U (S*)> model_getter,
58 boost::function<void (S*, U)> model_setter,
59 boost::function<U (V)> view_to_model,
60 boost::function<V (U)> model_to_view
64 , _button (new wxButton (parent, wxID_ANY, _("Multiple values")))
65 , _property (property)
66 , _model_getter (model_getter)
67 , _model_setter (model_setter)
68 , _view_to_model (view_to_model)
69 , _model_to_view (model_to_view)
70 , _ignore_model_changes (false)
72 _button->SetToolTip (_("Click the button to set all selected content to the same value."));
74 _button->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&ContentWidget::button_clicked, this));
77 /** @return the widget that we are wrapping */
83 typedef std::vector<boost::shared_ptr<S> > List;
85 /** Set the content that this control is working on (i.e. the selected content) */
86 void set_content (List content)
88 for (typename std::list<boost::signals2::connection>::iterator i = _connections.begin(); i != _connections.end(); ++i) {
92 _connections.clear ();
96 _wrapped->Enable (!_content.empty ());
100 for (typename List::iterator i = _content.begin(); i != _content.end(); ++i) {
101 _connections.push_back ((*i)->Changed.connect (boost::bind (&ContentWidget::model_changed, this, _2)));
105 /** Add this widget to a wxGridBagSizer */
106 void add (wxGridBagSizer* sizer, wxGBPosition position)
109 _position = position;
110 _sizer->Add (_wrapped, _position);
113 /** Update the view from the model */
114 void update_from_model ()
116 if (_content.empty ()) {
121 typename List::iterator i = _content.begin ();
122 U const v = boost::bind (_model_getter, _content.front().get())();
123 while (i != _content.end() && boost::bind (_model_getter, i->get())() == v) {
127 if (i == _content.end ()) {
129 checked_set (_wrapped, _model_to_view (v));
137 _ignore_model_changes = true;
138 for (size_t i = 0; i < _content.size(); ++i) {
139 boost::bind (_model_setter, _content[i].get(), _view_to_model (wx_get (_wrapped))) ();
141 _ignore_model_changes = false;
148 if (_wrapped->IsShown ()) {
152 _sizer->Detach (_button);
154 _sizer->Add (_wrapped, _position);
161 if (_button->IsShown ()) {
166 _sizer->Detach (_wrapped);
168 _sizer->Add (_button, _position);
172 void button_clicked ()
174 U const v = boost::bind (_model_getter, _content.front().get())();
175 for (typename List::iterator i = _content.begin (); i != _content.end(); ++i) {
176 boost::bind (_model_setter, i->get(), v) ();
180 void model_changed (int property)
182 if (property == _property && !_ignore_model_changes) {
183 update_from_model ();
188 wxGridBagSizer* _sizer;
189 wxGBPosition _position;
193 boost::function<U (S*)> _model_getter;
194 boost::function<void (S*, U)> _model_setter;
195 boost::function<U (V)> _view_to_model;
196 boost::function<V (U)> _model_to_view;
197 std::list<boost::signals2::connection> _connections;
198 bool _ignore_model_changes;
201 template <typename U, typename V>
204 return static_cast<V> (x);
208 class ContentSpinCtrl : public ContentWidget<S, wxSpinCtrl, int, int>
215 boost::function<int (S*)> getter,
216 boost::function<void (S*, int)> setter
218 : ContentWidget<S, wxSpinCtrl, int, int> (
227 wrapped->Bind (wxEVT_COMMAND_SPINCTRL_UPDATED, boost::bind (&ContentWidget<S, wxSpinCtrl, int, int>::view_changed, this));
232 class ContentSpinCtrlDouble : public ContentWidget<S, wxSpinCtrlDouble, double, double>
235 ContentSpinCtrlDouble (
237 wxSpinCtrlDouble* wrapped,
239 boost::function<double (S*)> getter,
240 boost::function<void (S*, double)> setter
242 : ContentWidget<S, wxSpinCtrlDouble, double, double> (
247 &caster<double, double>,
248 &caster<double, double>
251 wrapped->Bind (wxEVT_COMMAND_SPINCTRLDOUBLE_UPDATED, boost::bind (&ContentWidget<S, wxSpinCtrlDouble, double, double>::view_changed, this));
255 template <class S, class U>
256 class ContentChoice : public ContentWidget<S, wxChoice, U, int>
263 boost::function<U (S*)> getter,
264 boost::function<void (S*, U)> setter,
265 boost::function<U (int)> view_to_model,
266 boost::function<int (U)> model_to_view
268 : ContentWidget<S, wxChoice, U, int> (
278 wrapped->Bind (wxEVT_COMMAND_CHOICE_SELECTED, boost::bind (&ContentWidget<S, wxChoice, U, int>::view_changed, this));