src/gigedit/paramedit.h

/*                                                         -*- c++ -*-
 * Copyright (C) 2006-2013 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

#include <gig.h>

#include <cmath>

#include <gtkmm/adjustment.h>
#include <gtkmm/alignment.h>
#include <gtkmm/box.h>
#include <gtkmm/checkbutton.h>
#include <gtkmm/comboboxtext.h>
#include <gtkmm/frame.h>
#include <gtkmm/label.h>
#include <gtkmm/scale.h>
#include <gtkmm/spinbutton.h>
#include <gtkmm/table.h>
#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

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 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
    Gtk::HScale scale;
    Gtk::SpinButton spinbutton;
    Gtk::HBox box;

    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;
    Gtk::Alignment align;
    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) :
    LabelWidget(labelText, align),
    align(0, 0, 0, 0)
{
    combobox.signal_changed().connect(sig_changed.make_slot());
    align.add(combobox);
}

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 < 90) || 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;
    Gtk::Alignment align;
    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);
};


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 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 { return entry.get_text(); }
    void set_value(gig::String value) { entry.set_text(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(gig::String value);
};


/**
 * Container widget for LabelWidgets.
 */
class Table : public Gtk::Table
{
public:
    Table(int x, int y);
    void add(BoolEntry& boolentry);
    void add(BoolEntryPlus6& boolentry);
    void add(LabelWidget& labelwidget);
private:
    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() : 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) {
        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	persson	2423	* Copyright (C) 2006-2013 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			#include <gig.h>
24
25	persson	2151	#include <cmath>
26	schoenebeck	1300
27	schoenebeck	1225	#include <gtkmm/adjustment.h>
28			#include <gtkmm/alignment.h>
29			#include <gtkmm/box.h>
30	persson	2169	#include <gtkmm/checkbutton.h>
31	schoenebeck	1225	#include <gtkmm/comboboxtext.h>
32	persson	1582	#include <gtkmm/frame.h>
33	schoenebeck	1225	#include <gtkmm/label.h>
34			#include <gtkmm/scale.h>
35			#include <gtkmm/spinbutton.h>
36	persson	2423	#include <gtkmm/table.h>
37	persson	1582	#include <gtkmm/textview.h>
38	persson	2151
39			#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 12) \|\| GTKMM_MAJOR_VERSION < 2
40			#define OLD_TOOLTIPS
41	schoenebeck	1225	#include <gtkmm/tooltips.h>
42	persson	2151	#endif
43	schoenebeck	1225
44			class LabelWidget {
45			public:
46			Gtk::Label label;
47			Gtk::Widget& widget;
48
49			LabelWidget(const char* labelText, Gtk::Widget& widget);
50			void set_sensitive(bool sensitive = true);
51	persson	1460	sigc::signal<void>& signal_value_changed() {
52	persson	1261	return sig_changed;
53			}
54	schoenebeck	1225	protected:
55	persson	2151	#ifdef OLD_TOOLTIPS
56	schoenebeck	1225	Gtk::Tooltips tooltips;
57	persson	2151	#endif
58	persson	1261	sigc::signal<void> sig_changed;
59	schoenebeck	1225	};
60
61			class NumEntry : public LabelWidget {
62			protected:
63	persson	2169	#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) \|\| GTKMM_MAJOR_VERSION < 2
64	schoenebeck	1225	Gtk::Adjustment adjust;
65	persson	2169	#else
66			Glib::RefPtr<Gtk::Adjustment> adjust;
67			#endif
68	schoenebeck	1225	Gtk::HScale scale;
69			Gtk::SpinButton spinbutton;
70			Gtk::HBox box;
71	persson	1261
72			int round_to_int(double x) {
73			return int(x < 0.0 ? x - 0.5 : x + 0.5);
74			}
75	schoenebeck	1225	public:
76			NumEntry(const char* labelText, double lower = 0, double upper = 127,
77			int decimals = 0);
78			void set_tip(const Glib::ustring& tip_text) {
79	persson	2151	#ifdef OLD_TOOLTIPS
80	schoenebeck	1225	tooltips.set_tip(spinbutton, tip_text);
81	persson	2151	#else
82			spinbutton.set_tooltip_text(tip_text);
83			#endif
84	schoenebeck	1225	}
85			void set_upper(double upper) {
86	persson	2169	#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) \|\| GTKMM_MAJOR_VERSION < 2
87	schoenebeck	1225	adjust.set_upper(upper);
88	persson	2169	#else
89			adjust->set_upper(upper);
90			#endif
91	schoenebeck	1225	}
92			};
93
94			class NumEntryGain : public NumEntry {
95			private:
96	persson	1460	int32_t value;
97	schoenebeck	1225	void value_changed();
98			double coeff;
99	persson	1460	bool connected;
100	schoenebeck	1225	public:
101			NumEntryGain(const char* labelText,
102			double lower, double upper, int decimals, double coeff);
103	persson	1460	int32_t get_value() const { return value; }
104			void set_value(int32_t value);
105	schoenebeck	1225	};
106
107			template<typename T>
108			class NumEntryTemp : public NumEntry {
109			private:
110	persson	1460	T value;
111	schoenebeck	1225	void value_changed();
112			public:
113			NumEntryTemp(const char* labelText,
114			double lower = 0, double upper = 127, int decimals = 0);
115	persson	1460	T get_value() const { return value; }
116			void set_value(T value);
117	schoenebeck	1225	};
118
119			template<typename T>
120			NumEntryTemp<T>::NumEntryTemp(const char* labelText,
121			double lower, double upper, int decimals) :
122	persson	1460	NumEntry(labelText, lower, upper, decimals),
123			value(0)
124	schoenebeck	1225	{
125			spinbutton.signal_value_changed().connect(
126			sigc::mem_fun(*this, &NumEntryTemp::value_changed));
127			}
128
129			template<typename T>
130			void NumEntryTemp<T>::value_changed()
131			{
132	schoenebeck	1359	const double f = pow(10, spinbutton.get_digits());
133			int new_value = round_to_int(spinbutton.get_value() * f);
134	persson	1460	if (new_value != round_to_int(value * f)) {
135			value = T(new_value / f);
136			sig_changed();
137	schoenebeck	1225	}
138			}
139
140			template<typename T>
141	persson	1460	void NumEntryTemp<T>::set_value(T value)
142	schoenebeck	1225	{
143	persson	2169	#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) \|\| GTKMM_MAJOR_VERSION < 2
144	persson	1460	if (value > adjust.get_upper()) value = T(adjust.get_upper());
145	persson	2169	#else
146			if (value > adjust->get_upper()) value = T(adjust->get_upper());
147			#endif
148	persson	1460	if (this->value != value) {
149			this->value = value;
150			const double f = pow(10, spinbutton.get_digits());
151			if (round_to_int(spinbutton.get_value() * f) != round_to_int(value * f)) {
152			spinbutton.set_value(value);
153			}
154			sig_changed();
155			}
156	schoenebeck	1225	}
157
158
159			class NoteEntry : public NumEntryTemp<uint8_t> {
160			public:
161			NoteEntry(const char* labelText);
162			private:
163			int on_input(double* new_value);
164			bool on_output();
165			};
166
167
168			class NumEntryPermille : public NumEntry {
169			private:
170	persson	1460	uint16_t value;
171	schoenebeck	1225	void value_changed();
172			public:
173			NumEntryPermille(const char* labelText,
174			double lower = 0, double upper = 127, int decimals = 0);
175	persson	1460	uint16_t get_value() const { return value; }
176			void set_value(uint16_t value);
177	schoenebeck	1225	};
178
179
180			template<typename T>
181			class ChoiceEntry : public LabelWidget {
182			private:
183			Gtk::ComboBoxText combobox;
184			Gtk::Alignment align;
185			const T* values;
186			public:
187			ChoiceEntry(const char* labelText);
188	persson	1460	T get_value() const;
189			void set_value(T value);
190	schoenebeck	1225	void set_choices(const char** texts, const T* values);
191	persson	1460
192	schoenebeck	1225	void set_tip(const Glib::ustring& tip_text) {
193	persson	2151	#ifdef OLD_TOOLTIPS
194			tooltips.set_tip(combobox, tip_text);
195			#else
196			combobox.set_tooltip_text(tip_text);
197			#endif
198	schoenebeck	1225	}
199			};
200
201			template<typename T>
202			ChoiceEntry<T>::ChoiceEntry(const char* labelText) :
203	persson	2151	LabelWidget(labelText, align),
204			align(0, 0, 0, 0)
205	schoenebeck	1225	{
206	persson	1460	combobox.signal_changed().connect(sig_changed.make_slot());
207	schoenebeck	1225	align.add(combobox);
208			}
209
210			template<typename T>
211			void ChoiceEntry<T>::set_choices(const char** texts, const T* values)
212			{
213			for (int i = 0 ; texts[i] ; i++) {
214	persson	2169	#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) \|\| GTKMM_MAJOR_VERSION < 2
215	schoenebeck	1225	combobox.append_text(texts[i]);
216	persson	2169	#else
217			combobox.append(texts[i]);
218			#endif
219	schoenebeck	1225	}
220			this->values = values;
221			}
222
223			template<typename T>
224	persson	1460	T ChoiceEntry<T>::get_value() const
225	schoenebeck	1225	{
226	schoenebeck	1359	int rowno = combobox.get_active_row_number();
227	persson	1460	return values[rowno];
228	schoenebeck	1225	}
229
230			template<typename T>
231	persson	1460	void ChoiceEntry<T>::set_value(T value)
232	schoenebeck	1225	{
233	persson	1460	int row = 0;
234			int nb_rows = combobox.get_model()->children().size();
235			for (; row < nb_rows ; row++) {
236			if (value == values[row]) break;
237			}
238			combobox.set_active(row == nb_rows ? -1 : row);
239	schoenebeck	1225	}
240
241
242			class ChoiceEntryLeverageCtrl : public LabelWidget {
243			private:
244	persson	1460	gig::leverage_ctrl_t value;
245	schoenebeck	1225	Gtk::ComboBoxText combobox;
246			Gtk::Alignment align;
247			void value_changed();
248			public:
249			ChoiceEntryLeverageCtrl(const char* labelText);
250	persson	1460	gig::leverage_ctrl_t get_value() const { return value; }
251			void set_value(gig::leverage_ctrl_t value);
252	schoenebeck	1225	};
253
254
255			class BoolEntry : public LabelWidget {
256			private:
257			Gtk::CheckButton checkbutton;
258			public:
259			BoolEntry(const char* labelText);
260	persson	1460	bool get_value() const { return checkbutton.get_active(); }
261			void set_value(bool value) { checkbutton.set_active(value); }
262
263	schoenebeck	1225	void set_tip(const Glib::ustring& tip_text) {
264	persson	2151	#ifdef OLD_TOOLTIPS
265	schoenebeck	1225	tooltips.set_tip(checkbutton, tip_text);
266	persson	2151	#else
267			checkbutton.set_tooltip_text(tip_text);
268			#endif
269	schoenebeck	1225	}
270			};
271
272
273			class BoolEntryPlus6 : public LabelWidget {
274			private:
275			Gtk::CheckButton checkbutton;
276			void value_changed();
277			NumEntryGain& eGain;
278			int32_t plus6value;
279			public:
280			BoolEntryPlus6(const char* labelText, NumEntryGain& eGain, int32_t plus6value);
281	persson	1460	int32_t get_value() const;
282			void set_value(int32_t value);
283	schoenebeck	1225	};
284
285			class StringEntry : public LabelWidget {
286			private:
287			Gtk::Entry entry;
288			public:
289			StringEntry(const char* labelText);
290	persson	1582	gig::String get_value() const { return entry.get_text(); }
291			void set_value(gig::String value) { entry.set_text(value); }
292			void set_width_chars(int n_chars) { entry.set_width_chars(n_chars); }
293	schoenebeck	1225	};
294
295	persson	1582	class StringEntryMultiLine : public LabelWidget {
296			private:
297			Gtk::TextView text_view;
298			Glib::RefPtr<Gtk::TextBuffer> text_buffer;
299			Gtk::Frame frame;
300			public:
301			StringEntryMultiLine(const char* labelText);
302			gig::String get_value() const;
303			void set_value(gig::String value);
304			};
305	schoenebeck	1225
306	persson	1582
307	persson	2423	/**
308			* Container widget for LabelWidgets.
309			*/
310			class Table : public Gtk::Table
311			{
312			public:
313			Table(int x, int y);
314			void add(BoolEntry& boolentry);
315			void add(BoolEntryPlus6& boolentry);
316			void add(LabelWidget& labelwidget);
317			private:
318			int rowno;
319			};
320
321
322			/**
323			* Base class for editor components that use LabelWidgets to edit
324			* member variables of the same class. By connecting the widgets to
325			* members of the model class, the model is automatically kept
326			* updated.
327			*/
328			template<class M>
329			class PropEditor {
330			public:
331			sigc::signal<void>& signal_changed() {
332			return sig_changed;
333			}
334			protected:
335			M* m;
336			int update_model; // to prevent infinite update loops
337			PropEditor() : update_model(0) { }
338			sigc::signal<void> sig_changed;
339
340			template<class C, typename T>
341			void connect(C& widget, T M::* member) {
342			// gcc 4.1.2 needs this temporary variable to resolve the
343			// address
344			void (PropEditor::f)(const C w, T M::* member) =
345			&PropEditor::set_member;
346			widget.signal_value_changed().connect(
347			sigc::bind(sigc::mem_fun(*this, f), &widget, member));
348
349			void (PropEditor::g)(C w, T M::* member) =
350			&PropEditor::get_member;
351			sig.connect(
352			sigc::bind(sigc::mem_fun(*this, g), &widget, member));
353			}
354
355			template<class C, class S, typename T>
356			void connect(C& widget, void (S::*setter)(T)) {
357			void (PropEditor::f)(const C w, void (S::*setter)(T)) =
358			&PropEditor<M>::call_setter;
359			widget.signal_value_changed().connect(
360			sigc::bind(sigc::mem_fun(*this, f), &widget, setter));
361			}
362
363			void connect(NoteEntry& eKeyRangeLow, NoteEntry& eKeyRangeHigh,
364			gig::range_t M::* range) {
365			eKeyRangeLow.signal_value_changed().connect(
366			sigc::bind(
367			sigc::mem_fun(*this, &PropEditor::key_range_low_changed),
368			&eKeyRangeLow, &eKeyRangeHigh, range));
369			eKeyRangeHigh.signal_value_changed().connect(
370			sigc::bind(
371			sigc::mem_fun(*this, &PropEditor::key_range_high_changed),
372			&eKeyRangeLow, &eKeyRangeHigh, range));
373			sig.connect(
374			sigc::bind(sigc::mem_fun(*this, &PropEditor::get_key_range),
375			&eKeyRangeLow, &eKeyRangeHigh, range));
376			}
377
378			void update(M* m) {
379			update_model++;
380			this->m = m;
381			sig.emit();
382			update_model--;
383			}
384
385			private:
386			sigc::signal<void> sig;
387
388			void key_range_low_changed(NoteEntry* eKeyRangeLow,
389			NoteEntry* eKeyRangeHigh,
390			gig::range_t M::* range) {
391			if (update_model == 0) {
392			uint8_t value = eKeyRangeLow->get_value();
393			(m->*range).low = value;
394			if (value > (m->*range).high) {
395			eKeyRangeHigh->set_value(value);
396			}
397			sig_changed();
398			}
399			}
400
401			void key_range_high_changed(NoteEntry* eKeyRangeLow,
402			NoteEntry* eKeyRangeHigh,
403			gig::range_t M::* range) {
404			if (update_model == 0) {
405			uint8_t value = eKeyRangeHigh->get_value();
406			(m->*range).high = value;
407			if (value < (m->*range).low) {
408			eKeyRangeLow->set_value(value);
409			}
410			sig_changed();
411			}
412			}
413
414			template<class C, typename T>
415			void set_member(const C* w, T M::* member) {
416			if (update_model == 0) {
417			m->*member = w->get_value();
418			sig_changed();
419			}
420			}
421
422			template<class C, typename T>
423			void get_member(C* w, T M::* member) {
424			w->set_value(m->*member);
425			}
426
427			void get_key_range(NoteEntry* eKeyRangeLow,
428			NoteEntry* eKeyRangeHigh,
429			gig::range_t M::* range) {
430			eKeyRangeLow->set_value((m->*range).low);
431			eKeyRangeHigh->set_value((m->*range).high);
432			}
433
434			template<class C, class S, typename T>
435			void call_setter(const C* w, void (S::*setter)(T)) {
436			if (update_model == 0) {
437			(static_cast<S>(this)->setter)(w->get_value());
438			sig_changed();
439			}
440			}
441			};
442
443	schoenebeck	1225	#endif