src/gigedit/paramedit.h

/*                                                         -*- c++ -*-
 * Copyright (C) 2006-2017 Andreas Persson
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with program; see the file COPYING. If not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */

#ifndef GIGEDIT_PARAMEDIT_H
#define GIGEDIT_PARAMEDIT_H

#ifdef LIBGIG_HEADER_FILE
# include LIBGIG_HEADER_FILE(gig.h)
#else
# include <gig.h>
#endif

#include <cmath>

#include "compat.h"

#include <glibmm/convert.h>
#include <gtkmm/box.h>
#include <gtkmm/adjustment.h>
#if HAS_GTKMM_ALIGNMENT
# include <gtkmm/alignment.h>
#endif
#include <gtkmm/checkbutton.h>
#include <gtkmm/comboboxtext.h>
#include <gtkmm/frame.h>
#include <gtkmm/label.h>
#include <gtkmm/scale.h>
#include <gtkmm/spinbutton.h>
#if USE_GTKMM_GRID
# include <gtkmm/grid.h>
#else
# include <gtkmm/table.h>
#endif
#include <gtkmm/textview.h>

#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 12) || GTKMM_MAJOR_VERSION < 2
#define OLD_TOOLTIPS
#include <gtkmm/tooltips.h>
#endif

int note_value(const Glib::ustring& note);
Glib::ustring note_str(int note);

void spin_button_show_notes(Gtk::SpinButton& spin_button);

class LabelWidget {
public:
    Gtk::Label label;
    Gtk::Widget& widget;

    LabelWidget(const char* labelText, Gtk::Widget& widget);
    void set_sensitive(bool sensitive = true);
    sigc::signal<void>& signal_value_changed() {
        return sig_changed;
    }
protected:
#ifdef OLD_TOOLTIPS
    Gtk::Tooltips tooltips;
#endif
    sigc::signal<void> sig_changed;
};

class ReadOnlyLabelWidget : public LabelWidget {
public:
    Gtk::Label text;

    ReadOnlyLabelWidget(const char* leftHandText);
    ReadOnlyLabelWidget(const char* leftHandText, const char* rightHandText);
};

class NumEntry : public LabelWidget {
protected:
#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2
    Gtk::Adjustment adjust;
#else
    Glib::RefPtr<Gtk::Adjustment> adjust;
#endif
    HScale scale;
    Gtk::SpinButton spinbutton;
    HBox box;

    static int round_to_int(double x) {
        return int(x < 0.0 ? x - 0.5 : x + 0.5);
    }
public:
    NumEntry(const char* labelText, double lower = 0, double upper = 127,
             int decimals = 0);
    void set_tip(const Glib::ustring& tip_text) {
#ifdef OLD_TOOLTIPS
        tooltips.set_tip(spinbutton, tip_text);
#else
        spinbutton.set_tooltip_text(tip_text);
#endif
    }
    void set_upper(double upper) {
#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2
        adjust.set_upper(upper);
#else
        adjust->set_upper(upper);
#endif
    }
};

class NumEntryGain : public NumEntry {
private:
    int32_t value;
    void value_changed();
    double coeff;
    bool connected;
public:
    NumEntryGain(const char* labelText,
                 double lower, double upper, int decimals, double coeff);
    int32_t get_value() const { return value; }
    void set_value(int32_t value);
};

template<typename T>
class NumEntryTemp : public NumEntry {
private:
    T value;
    void value_changed();
public:
    NumEntryTemp(const char* labelText,
                 double lower = 0, double upper = 127, int decimals = 0);
    T get_value() const { return value; }
    void set_value(T value);
};

template<typename T>
NumEntryTemp<T>::NumEntryTemp(const char* labelText,
                              double lower, double upper, int decimals) :
    NumEntry(labelText, lower, upper, decimals),
    value(0)
{
    spinbutton.signal_value_changed().connect(
        sigc::mem_fun(*this, &NumEntryTemp::value_changed));
}

template<typename T>
void NumEntryTemp<T>::value_changed()
{
    const double f = pow(10, spinbutton.get_digits());
    int new_value = round_to_int(spinbutton.get_value() * f);
    if (new_value != round_to_int(value * f)) {
        value = T(new_value / f);
        sig_changed();
    }
}

template<typename T>
void NumEntryTemp<T>::set_value(T value)
{
#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2
    if (value > adjust.get_upper()) value = T(adjust.get_upper());
#else
    if (value > adjust->get_upper()) value = T(adjust->get_upper());
#endif
    if (this->value != value) {
        this->value = value;
        const double f = pow(10, spinbutton.get_digits());
        if (round_to_int(spinbutton.get_value() * f) != round_to_int(value * f)) {
            spinbutton.set_value(value);
        }
        sig_changed();
    }
}


class NoteEntry : public NumEntryTemp<uint8_t> {
public:
    NoteEntry(const char* labelText);
private:
    int on_input(double* new_value);
    bool on_output();
};


class NumEntryPermille : public NumEntry {
private:
    uint16_t value;
    void value_changed();
public:
    NumEntryPermille(const char* labelText,
                     double lower = 0, double upper = 127, int decimals = 0);
    uint16_t get_value() const { return value; }
    void set_value(uint16_t value);
};


template<typename T>
class ChoiceEntry : public LabelWidget {
private:
    Gtk::ComboBoxText combobox;
#if HAS_GTKMM_ALIGNMENT
    Gtk::Alignment align;
#endif
    const T* values;
public:
    ChoiceEntry(const char* labelText);
    T get_value() const;
    void set_value(T value);
    void set_choices(const char** texts, const T* values);

    void set_tip(const Glib::ustring& tip_text) {
#ifdef OLD_TOOLTIPS
        tooltips.set_tip(combobox, tip_text);
#else
        combobox.set_tooltip_text(tip_text);
#endif
    }
};

template<typename T>
ChoiceEntry<T>::ChoiceEntry(const char* labelText) :
#if HAS_GTKMM_ALIGNMENT
    LabelWidget(labelText, align),
    align(0, 0, 0, 0),
#else
    LabelWidget(labelText, combobox),
#endif
    values(0)
{
    combobox.signal_changed().connect(sig_changed.make_slot());
#if HAS_GTKMM_ALIGNMENT
    align.add(combobox);
#endif
}

template<typename T>
void ChoiceEntry<T>::set_choices(const char** texts, const T* values)
{
    for (int i = 0 ; texts[i] ; i++) {
#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 24) || GTKMM_MAJOR_VERSION < 2
        combobox.append_text(texts[i]);
#else
        combobox.append(texts[i]);
#endif
    }
    this->values = values;
}

template<typename T>
T ChoiceEntry<T>::get_value() const
{
    int rowno = combobox.get_active_row_number();
    return values[rowno];
}

template<typename T>
void ChoiceEntry<T>::set_value(T value)
{
    int row = 0;
    int nb_rows = combobox.get_model()->children().size();
    for (; row < nb_rows ; row++) {
        if (value == values[row]) break;
    }
    combobox.set_active(row == nb_rows ? -1 : row);
}


class ChoiceEntryLeverageCtrl : public LabelWidget {
private:
    gig::leverage_ctrl_t value;
    Gtk::ComboBoxText combobox;
#if HAS_GTKMM_ALIGNMENT
    Gtk::Alignment align;
#endif
    void value_changed();
public:
    ChoiceEntryLeverageCtrl(const char* labelText);
    gig::leverage_ctrl_t get_value() const { return value; }
    void set_value(gig::leverage_ctrl_t value);
    void set_tip(const Glib::ustring& tip_text) {
        combobox.set_tooltip_text(tip_text);
    }
};


class BoolEntry : public LabelWidget {
private:
    Gtk::CheckButton checkbutton;
public:
    BoolEntry(const char* labelText);
    bool get_value() const { return checkbutton.get_active(); }
    void set_value(bool value) { checkbutton.set_active(value); }

    void set_tip(const Glib::ustring& tip_text) {
#ifdef OLD_TOOLTIPS
        tooltips.set_tip(checkbutton, tip_text);
#else
        checkbutton.set_tooltip_text(tip_text);
#endif
    }
};

class BoolBox : public Gtk::CheckButton {
public:
    BoolBox(const char* labelText) : Gtk::CheckButton(labelText) {
        signal_toggled().connect(sig_changed.make_slot());
    }
    bool get_value() const { return get_active(); }
    void set_value(bool value) { set_active(value); }
    sigc::signal<void>& signal_value_changed() { return sig_changed; }
protected:
    sigc::signal<void> sig_changed;
};


class BoolEntryPlus6 : public LabelWidget {
private:
    Gtk::CheckButton checkbutton;
    void value_changed();
    NumEntryGain& eGain;
    int32_t plus6value;
public:
    BoolEntryPlus6(const char* labelText, NumEntryGain& eGain, int32_t plus6value);
    int32_t get_value() const;
    void set_value(int32_t value);
};


class StringEntry : public LabelWidget {
private:
    Gtk::Entry entry;
public:
    StringEntry(const char* labelText);
    gig::String get_value() const;
    void set_value(const gig::String& value);
    void set_width_chars(int n_chars) { entry.set_width_chars(n_chars); }
};

class StringEntryMultiLine : public LabelWidget {
private:
    Gtk::TextView text_view;
    Glib::RefPtr<Gtk::TextBuffer> text_buffer;
    Gtk::Frame frame;
public:
    StringEntryMultiLine(const char* labelText);
    gig::String get_value() const;
    void set_value(const gig::String& value);
};


/**
 * Container widget for LabelWidgets.
 */
class Table :
#if USE_GTKMM_GRID
    public Gtk::Grid
#else
    public Gtk::Table
#endif
{
public:
    Table(int x, int y);
    void add(BoolEntry& boolentry);
    void add(BoolEntryPlus6& boolentry);
    void add(LabelWidget& labelwidget);
private:
#if USE_GTKMM_GRID
    int cols;
#endif
    int rowno;
};


/**
 * Base class for editor components that use LabelWidgets to edit
 * member variables of the same class. By connecting the widgets to
 * members of the model class, the model is automatically kept
 * updated.
 */
template<class M>
class PropEditor {
public:
    sigc::signal<void>& signal_changed() {
        return sig_changed;
    }
protected:
    M* m;
    int update_model; // to prevent infinite update loops
    PropEditor() : m(0), update_model(0) { }
    sigc::signal<void> sig_changed;

    template<class C, typename T>
    void connect(C& widget, T M::* member) {
        // gcc 4.1.2 needs this temporary variable to resolve the
        // address
        void (PropEditor::*f)(const C* w, T M::* member) =
            &PropEditor::set_member;
        widget.signal_value_changed().connect(
            sigc::bind(sigc::mem_fun(*this, f), &widget, member));

        void (PropEditor::*g)(C* w, T M::* member) =
            &PropEditor::get_member;
        sig.connect(
            sigc::bind(sigc::mem_fun(*this, g), &widget, member));
    }

    template<class C, class S, typename T>
    void connect(C& widget, void (S::*setter)(T)) {
        void (PropEditor::*f)(const C* w, void (S::*setter)(T)) =
            &PropEditor<M>::call_setter;
        widget.signal_value_changed().connect(
            sigc::bind(sigc::mem_fun(*this, f), &widget, setter));
    }

    void connect(NoteEntry& eKeyRangeLow, NoteEntry& eKeyRangeHigh,
                 gig::range_t M::* range) {
        eKeyRangeLow.signal_value_changed().connect(
            sigc::bind(
                sigc::mem_fun(*this, &PropEditor::key_range_low_changed),
                &eKeyRangeLow, &eKeyRangeHigh, range));
        eKeyRangeHigh.signal_value_changed().connect(
            sigc::bind(
                sigc::mem_fun(*this, &PropEditor::key_range_high_changed),
                &eKeyRangeLow, &eKeyRangeHigh, range));
        sig.connect(
            sigc::bind(sigc::mem_fun(*this, &PropEditor::get_key_range),
                       &eKeyRangeLow, &eKeyRangeHigh, range));
    }

    void update(M* m) {
        update_model++;
        this->m = m;
        sig.emit();
        update_model--;
    }

private:
    sigc::signal<void> sig;

    void key_range_low_changed(NoteEntry* eKeyRangeLow,
                               NoteEntry* eKeyRangeHigh,
                               gig::range_t M::* range) {
        if (update_model == 0) {
            uint8_t value = eKeyRangeLow->get_value();
            (m->*range).low = value;
            if (value > (m->*range).high) {
                eKeyRangeHigh->set_value(value);
            }
            sig_changed();
        }
    }

    void key_range_high_changed(NoteEntry* eKeyRangeLow,
                                NoteEntry* eKeyRangeHigh,
                                gig::range_t M::* range) {
        if (update_model == 0) {
            uint8_t value = eKeyRangeHigh->get_value();
            (m->*range).high = value;
            if (value < (m->*range).low) {
                eKeyRangeLow->set_value(value);
            }
            sig_changed();
        }
    }

    template<class C, typename T>
    void set_member(const C* w, T M::* member) {
        if (update_model == 0) {
            m->*member = w->get_value();
            sig_changed();
        }
    }

    template<class C, typename T>
    void get_member(C* w, T M::* member) {
        w->set_value(m->*member);
    }

    void get_key_range(NoteEntry* eKeyRangeLow,
                       NoteEntry* eKeyRangeHigh,
                       gig::range_t M::* range) const {
        eKeyRangeLow->set_value((m->*range).low);
        eKeyRangeHigh->set_value((m->*range).high);
    }

    template<class C, class S, typename T>
    void call_setter(const C* w, void (S::*setter)(T)) {
        if (update_model == 0) {
            (static_cast<S*>(this)->*setter)(w->get_value());
            sig_changed();
        }
    }
};

#endif
1	schoenebeck	1225	/* -- c++ --
2	schoenebeck	3068	* Copyright (C) 2006-2017 Andreas Persson
3	schoenebeck	1225	*
4			* This program is free software; you can redistribute it and/or
5			* modify it under the terms of the GNU General Public License as
6			* published by the Free Software Foundation; either version 2, or (at
7			* your option) any later version.
8			*
9			* This program is distributed in the hope that it will be useful, but
10			* WITHOUT ANY WARRANTY; without even the implied warranty of
11			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12			* General Public License for more details.
13			*
14			* You should have received a copy of the GNU General Public License
15			* along with program; see the file COPYING. If not, write to the Free
16			* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
17			* 02110-1301 USA.
18			*/
19
20			#ifndef GIGEDIT_PARAMEDIT_H
21			#define GIGEDIT_PARAMEDIT_H
22
23	schoenebeck	3068	#ifdef LIBGIG_HEADER_FILE
24			# include LIBGIG_HEADER_FILE(gig.h)
25			#else
26			# include <gig.h>
27			#endif
28	schoenebeck	1225
29	persson	2151	#include <cmath>
30	schoenebeck	1300
31	schoenebeck	3364	#include "compat.h"
32
33	persson	2446	#include <glibmm/convert.h>
34	persson	2844	#include <gtkmm/box.h>
35	schoenebeck	1225	#include <gtkmm/adjustment.h>
36	schoenebeck	3364	#if HAS_GTKMM_ALIGNMENT
37			# include <gtkmm/alignment.h>
38			#endif
39	persson	2169	#include <gtkmm/checkbutton.h>
40	schoenebeck	1225	#include <gtkmm/comboboxtext.h>
41	persson	1582	#include <gtkmm/frame.h>
42	schoenebeck	1225	#include <gtkmm/label.h>
43			#include <gtkmm/scale.h>
44			#include <gtkmm/spinbutton.h>
45	schoenebeck	3364	#if USE_GTKMM_GRID
46			# include <gtkmm/grid.h>
47			#else
48			# include <gtkmm/table.h>
49			#endif
50	persson	1582	#include <gtkmm/textview.h>
51	persson	2151
52			#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 12) \|\| GTKMM_MAJOR_VERSION < 2
53			#define OLD_TOOLTIPS
54	schoenebeck	1225	#include <gtkmm/tooltips.h>
55	persson	2151	#endif
56	schoenebeck	1225
57	persson	2507	int note_value(const Glib::ustring& note);
58			Glib::ustring note_str(int note);
59	persson	2446
60	persson	2507	void spin_button_show_notes(Gtk::SpinButton& spin_button);
61
62	schoenebeck	1225	class LabelWidget {
63			public:
64			Gtk::Label label;
65			Gtk::Widget& widget;
66
67			LabelWidget(const char* labelText, Gtk::Widget& widget);
68			void set_sensitive(bool sensitive = true);
69	persson	1460	sigc::signal<void>& signal_value_changed() {
70	persson	1261	return sig_changed;
71			}
72	schoenebeck	1225	protected:
73	persson	2151	#ifdef OLD_TOOLTIPS
74	schoenebeck	1225	Gtk::Tooltips tooltips;
75	persson	2151	#endif
76	persson	1261	sigc::signal<void> sig_changed;
77	schoenebeck	1225	};
78
79	schoenebeck	2690	class ReadOnlyLabelWidget : public LabelWidget {
80			public:
81			Gtk::Label text;
82
83			ReadOnlyLabelWidget(const char* leftHandText);
84			ReadOnlyLabelWidget(const char* leftHandText, const char* rightHandText);
85			};
86
87	schoenebeck	1225	class NumEntry : public LabelWidget {
88			protected:
89	persson	2169	#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) \|\| GTKMM_MAJOR_VERSION < 2
90	schoenebeck	1225	Gtk::Adjustment adjust;
91	persson	2169	#else
92			Glib::RefPtr<Gtk::Adjustment> adjust;
93			#endif
94	schoenebeck	3364	HScale scale;
95	schoenebeck	1225	Gtk::SpinButton spinbutton;
96	schoenebeck	3364	HBox box;
97	persson	1261
98	persson	2841	static int round_to_int(double x) {
99	persson	1261	return int(x < 0.0 ? x - 0.5 : x + 0.5);
100			}
101	schoenebeck	1225	public:
102			NumEntry(const char* labelText, double lower = 0, double upper = 127,
103			int decimals = 0);
104			void set_tip(const Glib::ustring& tip_text) {
105	persson	2151	#ifdef OLD_TOOLTIPS
106	schoenebeck	1225	tooltips.set_tip(spinbutton, tip_text);
107	persson	2151	#else
108			spinbutton.set_tooltip_text(tip_text);
109			#endif
110	schoenebeck	1225	}
111			void set_upper(double upper) {
112	persson	2169	#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) \|\| GTKMM_MAJOR_VERSION < 2
113	schoenebeck	1225	adjust.set_upper(upper);
114	persson	2169	#else
115			adjust->set_upper(upper);
116			#endif
117	schoenebeck	1225	}
118			};
119
120			class NumEntryGain : public NumEntry {
121			private:
122	persson	1460	int32_t value;
123	schoenebeck	1225	void value_changed();
124			double coeff;
125	persson	1460	bool connected;
126	schoenebeck	1225	public:
127			NumEntryGain(const char* labelText,
128			double lower, double upper, int decimals, double coeff);
129	persson	1460	int32_t get_value() const { return value; }
130			void set_value(int32_t value);
131	schoenebeck	1225	};
132
133			template<typename T>
134			class NumEntryTemp : public NumEntry {
135			private:
136	persson	1460	T value;
137	schoenebeck	1225	void value_changed();
138			public:
139			NumEntryTemp(const char* labelText,
140			double lower = 0, double upper = 127, int decimals = 0);
141	persson	1460	T get_value() const { return value; }
142			void set_value(T value);
143	schoenebeck	1225	};
144
145			template<typename T>
146			NumEntryTemp<T>::NumEntryTemp(const char* labelText,
147			double lower, double upper, int decimals) :
148	persson	1460	NumEntry(labelText, lower, upper, decimals),
149			value(0)
150	schoenebeck	1225	{
151			spinbutton.signal_value_changed().connect(
152			sigc::mem_fun(*this, &NumEntryTemp::value_changed));
153			}
154
155			template<typename T>
156			void NumEntryTemp<T>::value_changed()
157			{
158	schoenebeck	1359	const double f = pow(10, spinbutton.get_digits());
159			int new_value = round_to_int(spinbutton.get_value() * f);
160	persson	1460	if (new_value != round_to_int(value * f)) {
161			value = T(new_value / f);
162			sig_changed();
163	schoenebeck	1225	}
164			}
165
166			template<typename T>
167	persson	1460	void NumEntryTemp<T>::set_value(T value)
168	schoenebeck	1225	{
169	persson	2169	#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) \|\| GTKMM_MAJOR_VERSION < 2
170	persson	1460	if (value > adjust.get_upper()) value = T(adjust.get_upper());
171	persson	2169	#else
172			if (value > adjust->get_upper()) value = T(adjust->get_upper());
173			#endif
174	persson	1460	if (this->value != value) {
175			this->value = value;
176			const double f = pow(10, spinbutton.get_digits());
177			if (round_to_int(spinbutton.get_value() * f) != round_to_int(value * f)) {
178			spinbutton.set_value(value);
179			}
180			sig_changed();
181			}
182	schoenebeck	1225	}
183
184
185			class NoteEntry : public NumEntryTemp<uint8_t> {
186			public:
187			NoteEntry(const char* labelText);
188			private:
189			int on_input(double* new_value);
190			bool on_output();
191			};
192
193
194			class NumEntryPermille : public NumEntry {
195			private:
196	persson	1460	uint16_t value;
197	schoenebeck	1225	void value_changed();
198			public:
199			NumEntryPermille(const char* labelText,
200			double lower = 0, double upper = 127, int decimals = 0);
201	persson	1460	uint16_t get_value() const { return value; }
202			void set_value(uint16_t value);
203	schoenebeck	1225	};
204
205
206			template<typename T>
207			class ChoiceEntry : public LabelWidget {
208			private:
209			Gtk::ComboBoxText combobox;
210	schoenebeck	3364	#if HAS_GTKMM_ALIGNMENT
211	schoenebeck	1225	Gtk::Alignment align;
212	schoenebeck	3364	#endif
213	schoenebeck	1225	const T* values;
214			public:
215			ChoiceEntry(const char* labelText);
216	persson	1460	T get_value() const;
217			void set_value(T value);
218	schoenebeck	1225	void set_choices(const char** texts, const T* values);
219	persson	1460
220	schoenebeck	1225	void set_tip(const Glib::ustring& tip_text) {
221	persson	2151	#ifdef OLD_TOOLTIPS
222			tooltips.set_tip(combobox, tip_text);
223			#else
224			combobox.set_tooltip_text(tip_text);
225			#endif
226	schoenebeck	1225	}
227			};
228
229			template<typename T>
230			ChoiceEntry<T>::ChoiceEntry(const char* labelText) :
231	schoenebeck	3364	#if HAS_GTKMM_ALIGNMENT
232	persson	2151	LabelWidget(labelText, align),
233	persson	2507	align(0, 0, 0, 0),
234	schoenebeck	3364	#else
235			LabelWidget(labelText, combobox),
236			#endif
237	persson	2507	values(0)
238	schoenebeck	1225	{
239	persson	1460	combobox.signal_changed().connect(sig_changed.make_slot());
240	schoenebeck	3364	#if HAS_GTKMM_ALIGNMENT
241	schoenebeck	1225	align.add(combobox);
242	schoenebeck	3364	#endif
243	schoenebeck	1225	}
244
245			template<typename T>
246			void ChoiceEntry<T>::set_choices(const char** texts, const T* values)
247			{
248			for (int i = 0 ; texts[i] ; i++) {
249	persson	2507	#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 24) \|\| GTKMM_MAJOR_VERSION < 2
250	schoenebeck	1225	combobox.append_text(texts[i]);
251	persson	2169	#else
252			combobox.append(texts[i]);
253			#endif
254	schoenebeck	1225	}
255			this->values = values;
256			}
257
258			template<typename T>
259	persson	1460	T ChoiceEntry<T>::get_value() const
260	schoenebeck	1225	{
261	schoenebeck	1359	int rowno = combobox.get_active_row_number();
262	persson	1460	return values[rowno];
263	schoenebeck	1225	}
264
265			template<typename T>
266	persson	1460	void ChoiceEntry<T>::set_value(T value)
267	schoenebeck	1225	{
268	persson	1460	int row = 0;
269			int nb_rows = combobox.get_model()->children().size();
270			for (; row < nb_rows ; row++) {
271			if (value == values[row]) break;
272			}
273			combobox.set_active(row == nb_rows ? -1 : row);
274	schoenebeck	1225	}
275
276
277			class ChoiceEntryLeverageCtrl : public LabelWidget {
278			private:
279	persson	1460	gig::leverage_ctrl_t value;
280	schoenebeck	1225	Gtk::ComboBoxText combobox;
281	schoenebeck	3364	#if HAS_GTKMM_ALIGNMENT
282	schoenebeck	1225	Gtk::Alignment align;
283	schoenebeck	3364	#endif
284	schoenebeck	1225	void value_changed();
285			public:
286			ChoiceEntryLeverageCtrl(const char* labelText);
287	persson	1460	gig::leverage_ctrl_t get_value() const { return value; }
288			void set_value(gig::leverage_ctrl_t value);
289	schoenebeck	2566	void set_tip(const Glib::ustring& tip_text) {
290			combobox.set_tooltip_text(tip_text);
291			}
292	schoenebeck	1225	};
293
294
295			class BoolEntry : public LabelWidget {
296			private:
297			Gtk::CheckButton checkbutton;
298			public:
299			BoolEntry(const char* labelText);
300	persson	1460	bool get_value() const { return checkbutton.get_active(); }
301			void set_value(bool value) { checkbutton.set_active(value); }
302
303	schoenebeck	1225	void set_tip(const Glib::ustring& tip_text) {
304	persson	2151	#ifdef OLD_TOOLTIPS
305	schoenebeck	1225	tooltips.set_tip(checkbutton, tip_text);
306	persson	2151	#else
307			checkbutton.set_tooltip_text(tip_text);
308			#endif
309	schoenebeck	1225	}
310			};
311
312	schoenebeck	3329	class BoolBox : public Gtk::CheckButton {
313			public:
314			BoolBox(const char* labelText) : Gtk::CheckButton(labelText) {
315			signal_toggled().connect(sig_changed.make_slot());
316			}
317			bool get_value() const { return get_active(); }
318			void set_value(bool value) { set_active(value); }
319			sigc::signal<void>& signal_value_changed() { return sig_changed; }
320			protected:
321			sigc::signal<void> sig_changed;
322			};
323	schoenebeck	1225
324	schoenebeck	3329
325	schoenebeck	1225	class BoolEntryPlus6 : public LabelWidget {
326			private:
327			Gtk::CheckButton checkbutton;
328			void value_changed();
329			NumEntryGain& eGain;
330			int32_t plus6value;
331			public:
332			BoolEntryPlus6(const char* labelText, NumEntryGain& eGain, int32_t plus6value);
333	persson	1460	int32_t get_value() const;
334			void set_value(int32_t value);
335	schoenebeck	1225	};
336
337	persson	2446
338	schoenebeck	1225	class StringEntry : public LabelWidget {
339			private:
340			Gtk::Entry entry;
341			public:
342			StringEntry(const char* labelText);
343	persson	2446	gig::String get_value() const;
344			void set_value(const gig::String& value);
345	persson	1582	void set_width_chars(int n_chars) { entry.set_width_chars(n_chars); }
346	schoenebeck	1225	};
347
348	persson	1582	class StringEntryMultiLine : public LabelWidget {
349			private:
350			Gtk::TextView text_view;
351			Glib::RefPtr<Gtk::TextBuffer> text_buffer;
352			Gtk::Frame frame;
353			public:
354			StringEntryMultiLine(const char* labelText);
355			gig::String get_value() const;
356	persson	2446	void set_value(const gig::String& value);
357	persson	1582	};
358	schoenebeck	1225
359	persson	1582
360	persson	2423	/**
361			* Container widget for LabelWidgets.
362			*/
363	schoenebeck	3364	class Table :
364			#if USE_GTKMM_GRID
365			public Gtk::Grid
366			#else
367			public Gtk::Table
368			#endif
369	persson	2423	{
370			public:
371			Table(int x, int y);
372			void add(BoolEntry& boolentry);
373			void add(BoolEntryPlus6& boolentry);
374			void add(LabelWidget& labelwidget);
375			private:
376	schoenebeck	3364	#if USE_GTKMM_GRID
377			int cols;
378			#endif
379	persson	2423	int rowno;
380			};
381
382
383			/**
384			* Base class for editor components that use LabelWidgets to edit
385			* member variables of the same class. By connecting the widgets to
386			* members of the model class, the model is automatically kept
387			* updated.
388			*/
389			template<class M>
390			class PropEditor {
391			public:
392			sigc::signal<void>& signal_changed() {
393			return sig_changed;
394			}
395			protected:
396			M* m;
397			int update_model; // to prevent infinite update loops
398	persson	2507	PropEditor() : m(0), update_model(0) { }
399	persson	2423	sigc::signal<void> sig_changed;
400
401			template<class C, typename T>
402			void connect(C& widget, T M::* member) {
403			// gcc 4.1.2 needs this temporary variable to resolve the
404			// address
405			void (PropEditor::f)(const C w, T M::* member) =
406			&PropEditor::set_member;
407			widget.signal_value_changed().connect(
408			sigc::bind(sigc::mem_fun(*this, f), &widget, member));
409
410			void (PropEditor::g)(C w, T M::* member) =
411			&PropEditor::get_member;
412			sig.connect(
413			sigc::bind(sigc::mem_fun(*this, g), &widget, member));
414			}
415
416			template<class C, class S, typename T>
417			void connect(C& widget, void (S::*setter)(T)) {
418			void (PropEditor::f)(const C w, void (S::*setter)(T)) =
419			&PropEditor<M>::call_setter;
420			widget.signal_value_changed().connect(
421			sigc::bind(sigc::mem_fun(*this, f), &widget, setter));
422			}
423
424			void connect(NoteEntry& eKeyRangeLow, NoteEntry& eKeyRangeHigh,
425			gig::range_t M::* range) {
426			eKeyRangeLow.signal_value_changed().connect(
427			sigc::bind(
428			sigc::mem_fun(*this, &PropEditor::key_range_low_changed),
429			&eKeyRangeLow, &eKeyRangeHigh, range));
430			eKeyRangeHigh.signal_value_changed().connect(
431			sigc::bind(
432			sigc::mem_fun(*this, &PropEditor::key_range_high_changed),
433			&eKeyRangeLow, &eKeyRangeHigh, range));
434			sig.connect(
435			sigc::bind(sigc::mem_fun(*this, &PropEditor::get_key_range),
436			&eKeyRangeLow, &eKeyRangeHigh, range));
437			}
438
439			void update(M* m) {
440			update_model++;
441			this->m = m;
442			sig.emit();
443			update_model--;
444			}
445
446			private:
447			sigc::signal<void> sig;
448
449			void key_range_low_changed(NoteEntry* eKeyRangeLow,
450			NoteEntry* eKeyRangeHigh,
451			gig::range_t M::* range) {
452			if (update_model == 0) {
453			uint8_t value = eKeyRangeLow->get_value();
454			(m->*range).low = value;
455			if (value > (m->*range).high) {
456			eKeyRangeHigh->set_value(value);
457			}
458			sig_changed();
459			}
460			}
461
462			void key_range_high_changed(NoteEntry* eKeyRangeLow,
463			NoteEntry* eKeyRangeHigh,
464			gig::range_t M::* range) {
465			if (update_model == 0) {
466			uint8_t value = eKeyRangeHigh->get_value();
467			(m->*range).high = value;
468			if (value < (m->*range).low) {
469			eKeyRangeLow->set_value(value);
470			}
471			sig_changed();
472			}
473			}
474
475			template<class C, typename T>
476			void set_member(const C* w, T M::* member) {
477			if (update_model == 0) {
478			m->*member = w->get_value();
479			sig_changed();
480			}
481			}
482
483			template<class C, typename T>
484			void get_member(C* w, T M::* member) {
485			w->set_value(m->*member);
486			}
487
488			void get_key_range(NoteEntry* eKeyRangeLow,
489			NoteEntry* eKeyRangeHigh,
490	persson	2841	gig::range_t M::* range) const {
491	persson	2423	eKeyRangeLow->set_value((m->*range).low);
492			eKeyRangeHigh->set_value((m->*range).high);
493			}
494
495			template<class C, class S, typename T>
496			void call_setter(const C* w, void (S::*setter)(T)) {
497			if (update_model == 0) {
498			(static_cast<S>(this)->setter)(w->get_value());
499			sig_changed();
500			}
501			}
502			};
503
504	schoenebeck	1225	#endif