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 <boost/function.hpp>
33 /** @class ContentWidget
34 * @brief A widget which represents some Content state and which can be used
35 * when multiple pieces of content are selected.
37 * @param S Type containing the content being represented (e.g. VideoContent)
38 * @param T Type of the widget (e.g. wxSpinCtrl)
39 * @param U Data type of state as used by the model.
40 * @param V Data type of state as used by the view.
42 template <class S, class T, typename U, typename V>
46 /** @param parent Parent window.
47 * @param wrapped Control widget that we are wrapping.
48 * @param property ContentProperty that the widget is handling.
49 * @param model_getter Function on the Content to get the value.
50 * @param model_setter Function on the Content to set the value.
56 boost::function<U (S*)> model_getter,
57 boost::function<void (S*, U)> model_setter,
58 boost::function<U (V)> view_to_model,
59 boost::function<V (U)> model_to_view
63 , _button (new wxButton (parent, wxID_ANY, _("Multiple values")))
64 , _property (property)
65 , _model_getter (model_getter)
66 , _model_setter (model_setter)
67 , _view_to_model (view_to_model)
68 , _model_to_view (model_to_view)
69 , _ignore_model_changes (false)
71 _button->SetToolTip (_("Click the button to set all selected content to the same value."));
73 _button->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&ContentWidget::button_clicked, this));
76 /** @return the widget that we are wrapping */
82 typedef std::vector<boost::shared_ptr<S> > List;
84 /** Set the content that this control is working on (i.e. the selected content) */
85 void set_content (List content)
87 for (typename std::list<boost::signals2::connection>::iterator i = _connections.begin(); i != _connections.end(); ++i) {
91 _connections.clear ();
95 _wrapped->Enable (!_content.empty ());
99 for (typename List::iterator i = _content.begin(); i != _content.end(); ++i) {
100 _connections.push_back ((*i)->Changed.connect (boost::bind (&ContentWidget::model_changed, this, _2)));
104 /** Add this widget to a wxGridBagSizer */
105 void add (wxGridBagSizer* sizer, wxGBPosition position)
108 _position = position;
109 _sizer->Add (_wrapped, _position);
112 /** Update the view from the model */
113 void update_from_model ()
115 if (_content.empty ()) {
120 typename List::iterator i = _content.begin ();
121 U const v = boost::bind (_model_getter, _content.front().get())();
122 while (i != _content.end() && boost::bind (_model_getter, i->get())() == v) {
126 if (i == _content.end ()) {
128 checked_set (_wrapped, _model_to_view (v));
136 _ignore_model_changes = true;
137 for (size_t i = 0; i < _content.size(); ++i) {
138 boost::bind (_model_setter, _content[i].get(), _view_to_model (wx_get (_wrapped))) ();
140 _ignore_model_changes = false;
147 if (_wrapped->IsShown ()) {
151 _sizer->Detach (_button);
153 _sizer->Add (_wrapped, _position);
160 if (_button->IsShown ()) {
165 _sizer->Detach (_wrapped);
167 _sizer->Add (_button, _position);
171 void button_clicked ()
173 U const v = boost::bind (_model_getter, _content.front().get())();
174 for (typename List::iterator i = _content.begin (); i != _content.end(); ++i) {
175 boost::bind (_model_setter, i->get(), v) ();
179 void model_changed (int property)
181 if (property == _property && !_ignore_model_changes) {
182 update_from_model ();
187 wxGridBagSizer* _sizer;
188 wxGBPosition _position;
192 boost::function<U (S*)> _model_getter;
193 boost::function<void (S*, U)> _model_setter;
194 boost::function<U (V)> _view_to_model;
195 boost::function<V (U)> _model_to_view;
196 std::list<boost::signals2::connection> _connections;
197 bool _ignore_model_changes;
200 template <typename U, typename V>
203 return static_cast<V> (x);
207 class ContentSpinCtrl : public ContentWidget<S, wxSpinCtrl, int, int>
214 boost::function<int (S*)> getter,
215 boost::function<void (S*, int)> setter
217 : ContentWidget<S, wxSpinCtrl, int, int> (
226 wrapped->Bind (wxEVT_COMMAND_SPINCTRL_UPDATED, boost::bind (&ContentWidget<S, wxSpinCtrl, int, int>::view_changed, this));
231 class ContentSpinCtrlDouble : public ContentWidget<S, wxSpinCtrlDouble, double, double>
234 ContentSpinCtrlDouble (
236 wxSpinCtrlDouble* wrapped,
238 boost::function<double (S*)> getter,
239 boost::function<void (S*, double)> setter
241 : ContentWidget<S, wxSpinCtrlDouble, double, double> (
246 &caster<double, double>,
247 &caster<double, double>
250 wrapped->Bind (wxEVT_COMMAND_SPINCTRLDOUBLE_UPDATED, boost::bind (&ContentWidget<S, wxSpinCtrlDouble, double, double>::view_changed, this));
254 template <class S, class U>
255 class ContentChoice : public ContentWidget<S, wxChoice, U, int>
262 boost::function<U (S*)> getter,
263 boost::function<void (S*, U)> setter,
264 boost::function<U (int)> view_to_model,
265 boost::function<int (U)> model_to_view
267 : ContentWidget<S, wxChoice, U, int> (
277 wrapped->Bind (wxEVT_COMMAND_CHOICE_SELECTED, boost::bind (&ContentWidget<S, wxChoice, U, int>::view_changed, this));