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>
44 class ContentWidget : public boost::noncopyable
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, wxGBSpan span = wxDefaultSpan)
109 _position = position;
111 _sizer->Add (_wrapped, _position, _span);
114 /** Update the view from the model */
115 void update_from_model ()
117 if (_content.empty ()) {
122 typename List::iterator i = _content.begin ();
123 U const v = boost::bind (_model_getter, _content.front().get())();
124 while (i != _content.end() && boost::bind (_model_getter, i->get())() == v) {
128 if (i == _content.end ()) {
130 checked_set (_wrapped, _model_to_view (v));
138 _ignore_model_changes = true;
139 for (size_t i = 0; i < _content.size(); ++i) {
140 boost::bind (_model_setter, _content[i].get(), _view_to_model (wx_get (_wrapped))) ();
142 _ignore_model_changes = false;
149 if (_wrapped->IsShown ()) {
153 _sizer->Detach (_button);
155 _sizer->Add (_wrapped, _position, _span);
162 if (_button->IsShown ()) {
167 _sizer->Detach (_wrapped);
169 _sizer->Add (_button, _position, _span);
173 void button_clicked ()
175 U const v = boost::bind (_model_getter, _content.front().get())();
176 for (typename List::iterator i = _content.begin (); i != _content.end(); ++i) {
177 boost::bind (_model_setter, i->get(), v) ();
181 void model_changed (int property)
183 if (property == _property && !_ignore_model_changes) {
184 update_from_model ();
189 wxGridBagSizer* _sizer;
190 wxGBPosition _position;
195 boost::function<U (S*)> _model_getter;
196 boost::function<void (S*, U)> _model_setter;
197 boost::function<U (V)> _view_to_model;
198 boost::function<V (U)> _model_to_view;
199 std::list<boost::signals2::connection> _connections;
200 bool _ignore_model_changes;
203 template <typename U, typename V>
206 return static_cast<V> (x);
210 class ContentSpinCtrl : public ContentWidget<S, wxSpinCtrl, int, int>
217 boost::function<int (S*)> getter,
218 boost::function<void (S*, int)> setter
220 : ContentWidget<S, wxSpinCtrl, int, int> (
229 wrapped->Bind (wxEVT_COMMAND_SPINCTRL_UPDATED, boost::bind (&ContentWidget<S, wxSpinCtrl, int, int>::view_changed, this));
234 class ContentSpinCtrlDouble : public ContentWidget<S, wxSpinCtrlDouble, double, double>
237 ContentSpinCtrlDouble (
239 wxSpinCtrlDouble* wrapped,
241 boost::function<double (S*)> getter,
242 boost::function<void (S*, double)> setter
244 : ContentWidget<S, wxSpinCtrlDouble, double, double> (
249 &caster<double, double>,
250 &caster<double, double>
253 wrapped->Bind (wxEVT_COMMAND_SPINCTRLDOUBLE_UPDATED, boost::bind (&ContentWidget<S, wxSpinCtrlDouble, double, double>::view_changed, this));
257 template <class S, class U>
258 class ContentChoice : public ContentWidget<S, wxChoice, U, int>
265 boost::function<U (S*)> getter,
266 boost::function<void (S*, U)> setter,
267 boost::function<U (int)> view_to_model,
268 boost::function<int (U)> model_to_view
270 : ContentWidget<S, wxChoice, U, int> (
280 wrapped->Bind (wxEVT_COMMAND_CHOICE_SELECTED, boost::bind (&ContentWidget<S, wxChoice, U, int>::view_changed, this));