src/gigedit/paramedit.h

/*                                                         -*- c++ -*-
 * Copyright (C) 2006, 2007 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 <math.h>

#include <gtkmm/adjustment.h>
#include <gtkmm/alignment.h>
#include <gtkmm/box.h>
#include <gtkmm/comboboxtext.h>
#include <gtkmm/label.h>
#include <gtkmm/scale.h>
#include <gtkmm/spinbutton.h>
#include <gtkmm/tooltips.h>

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_changed_by_user() {
        return sig_changed;
    }
protected:
    Gtk::Tooltips tooltips;
    sigc::signal<void> sig_changed;
};

class NumEntry : public LabelWidget {
protected:
    Gtk::Adjustment adjust;
    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_value(double value) {
        spinbutton.set_value(value);
    }
    double get_value() const {
        return spinbutton.get_value();
    }
    void set_tip(const Glib::ustring& tip_text) {
        tooltips.set_tip(spinbutton, tip_text);
    }
    void set_upper(double upper) {
        adjust.set_upper(upper);
    }
};

class NumEntryGain : public NumEntry {
private:
    void value_changed();
    int32_t* ptr;
    double coeff;
protected:
    sigc::signal<void> sig_to_be_changed;
    sigc::signal<void, int32_t> sig_val_changed;
public:
    NumEntryGain(const char* labelText,
                 double lower, double upper, int decimals, double coeff);
    void set_ptr(int32_t* ptr);
    sigc::signal<void>& signal_to_be_changed() {
        return sig_to_be_changed;
    }
    sigc::signal<void, int32_t>& signal_value_changed() {
        return sig_val_changed;
    }
};

template<typename T>
class NumEntryTemp : public NumEntry {
private:
    T* ptr;
    void value_changed();
protected:
    sigc::signal<void> sig_to_be_changed;
    sigc::signal<void, T> sig_val_changed;
public:
    NumEntryTemp(const char* labelText,
                 double lower = 0, double upper = 127, int decimals = 0);
    void set_ptr(T* ptr);
    sigc::signal<void>& signal_to_be_changed() {
        return sig_to_be_changed;
    }
    sigc::signal<void, T>& signal_value_changed() {
        return sig_val_changed;
    }
};

template<typename T>
NumEntryTemp<T>::NumEntryTemp(const char* labelText,
                              double lower, double upper, int decimals) :
    NumEntry(labelText, lower, upper, decimals)
{
    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);
    const T val = T(new_value / f);
    if (ptr) {
        if (new_value != round_to_int(*ptr * f)) {
            sig_to_be_changed.emit();
            *ptr = val;
            sig_val_changed.emit(val);
            sig_changed.emit();
        }
    } else {
        sig_to_be_changed.emit();
        sig_val_changed.emit(val);
        sig_changed.emit();
    }
}

template<typename T>
void NumEntryTemp<T>::set_ptr(T* ptr)
{
    this->ptr = 0;
    if (ptr) set_value(*ptr);
    this->ptr = ptr;
}


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* ptr;
    void value_changed();
public:
    NumEntryPermille(const char* labelText,
                     double lower = 0, double upper = 127, int decimals = 0);
    void set_ptr(uint16_t* ptr);
};


template<typename T>
class ChoiceEntry : public LabelWidget {
private:
    Gtk::ComboBoxText combobox;
    Gtk::Alignment align;
    T* ptr;
    void value_changed();
    const T* values;
protected:
    sigc::signal<void> sig_to_be_changed;
    sigc::signal<void, T> sig_val_changed;
public:
    ChoiceEntry(const char* labelText);
    void set_choices(const char** texts, const T* values);
    void set_ptr(T* ptr);
    int get_active_row_number() { return combobox.get_active_row_number(); }
    sigc::signal<void>& signal_to_be_changed() {
        return sig_to_be_changed;
    }
    sigc::signal<void, T>& signal_value_changed() {
        return sig_val_changed;
    }
    Glib::SignalProxy0<void> signal_changed() {
        return combobox.signal_changed();
    }
    void set_tip(const Glib::ustring& tip_text) {
        tooltips.set_tip(combobox, tip_text); //FIXME: don't Gtk::ComboBoxes support tooltips ???
    }
};

template<typename T>
ChoiceEntry<T>::ChoiceEntry(const char* labelText) :
    align(0, 0, 0, 0),
    LabelWidget(labelText, align)
{
    combobox.signal_changed().connect(
        sigc::mem_fun(*this, &ChoiceEntry::value_changed));
    align.add(combobox);
}

template<typename T>
void ChoiceEntry<T>::set_choices(const char** texts, const T* values)
{
    for (int i = 0 ; texts[i] ; i++) {
        combobox.append_text(texts[i]);
    }
    this->values = values;
}

template<typename T>
void ChoiceEntry<T>::value_changed()
{
    int rowno = combobox.get_active_row_number();
    if (rowno == -1) return;
    const T val = values[rowno];
    sig_to_be_changed.emit();
    if (ptr) *ptr = val;
    sig_val_changed.emit(val);
    sig_changed.emit();
}

template<typename T>
void ChoiceEntry<T>::set_ptr(T* ptr)
{
    this->ptr = 0;
    if (ptr) {
        T value = *ptr;
        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);
    } else combobox.set_active(-1);
    this->ptr = ptr;
}


class ChoiceEntryLeverageCtrl : public LabelWidget {
private:
    Gtk::ComboBoxText combobox;
    Gtk::Alignment align;
    gig::leverage_ctrl_t* ptr;
    void value_changed();
public:
    ChoiceEntryLeverageCtrl(const char* labelText);
    void set_ptr(gig::leverage_ctrl_t* ptr);
    int get_active_row_number() { return combobox.get_active_row_number(); }
    Glib::SignalProxy0<void> signal_changed() {
        return combobox.signal_changed();
    }
};


class BoolEntry : public LabelWidget {
private:
    Gtk::CheckButton checkbutton;
    bool* ptr;
    void value_changed();
public:
    BoolEntry(const char* labelText);
    bool get_active() { return checkbutton.get_active(); }
    bool set_active(bool b) { checkbutton.set_active(b); }
    Glib::SignalProxy0<void> signal_toggled() {
        return checkbutton.signal_toggled();
    }
    void set_ptr(bool* ptr);
    void set_tip(const Glib::ustring& tip_text) {
        tooltips.set_tip(checkbutton, tip_text);
    }
};


class BoolEntryPlus6 : public LabelWidget {
private:
    Gtk::CheckButton checkbutton;
    int32_t* ptr;
    void value_changed();
    NumEntryGain& eGain;
    int32_t plus6value;
public:
    BoolEntryPlus6(const char* labelText, NumEntryGain& eGain, int32_t plus6value);
    void set_ptr(int32_t* ptr);
    bool get_active() { return checkbutton.get_active(); }
    Glib::SignalProxy0<void> signal_toggled() {
        return checkbutton.signal_toggled();
    }
};

class StringEntry : public LabelWidget {
private:
    Gtk::Entry entry;
    gig::String* ptr;
    void value_changed();
public:
    StringEntry(const char* labelText);
    void set_ptr(gig::String* ptr);
};


#endif
1	/* -- c++ --
2	* Copyright (C) 2006, 2007 Andreas Persson
3	*
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	#include <math.h>
26
27	#include <gtkmm/adjustment.h>
28	#include <gtkmm/alignment.h>
29	#include <gtkmm/box.h>
30	#include <gtkmm/comboboxtext.h>
31	#include <gtkmm/label.h>
32	#include <gtkmm/scale.h>
33	#include <gtkmm/spinbutton.h>
34	#include <gtkmm/tooltips.h>
35
36	class LabelWidget {
37	public:
38	Gtk::Label label;
39	Gtk::Widget& widget;
40
41	LabelWidget(const char* labelText, Gtk::Widget& widget);
42	void set_sensitive(bool sensitive = true);
43	sigc::signal<void>& signal_changed_by_user() {
44	return sig_changed;
45	}
46	protected:
47	Gtk::Tooltips tooltips;
48	sigc::signal<void> sig_changed;
49	};
50
51	class NumEntry : public LabelWidget {
52	protected:
53	Gtk::Adjustment adjust;
54	Gtk::HScale scale;
55	Gtk::SpinButton spinbutton;
56	Gtk::HBox box;
57
58	int round_to_int(double x) {
59	return int(x < 0.0 ? x - 0.5 : x + 0.5);
60	}
61	public:
62	NumEntry(const char* labelText, double lower = 0, double upper = 127,
63	int decimals = 0);
64	void set_value(double value) {
65	spinbutton.set_value(value);
66	}
67	double get_value() const {
68	return spinbutton.get_value();
69	}
70	void set_tip(const Glib::ustring& tip_text) {
71	tooltips.set_tip(spinbutton, tip_text);
72	}
73	void set_upper(double upper) {
74	adjust.set_upper(upper);
75	}
76	};
77
78	class NumEntryGain : public NumEntry {
79	private:
80	void value_changed();
81	int32_t* ptr;
82	double coeff;
83	protected:
84	sigc::signal<void> sig_to_be_changed;
85	sigc::signal<void, int32_t> sig_val_changed;
86	public:
87	NumEntryGain(const char* labelText,
88	double lower, double upper, int decimals, double coeff);
89	void set_ptr(int32_t* ptr);
90	sigc::signal<void>& signal_to_be_changed() {
91	return sig_to_be_changed;
92	}
93	sigc::signal<void, int32_t>& signal_value_changed() {
94	return sig_val_changed;
95	}
96	};
97
98	template<typename T>
99	class NumEntryTemp : public NumEntry {
100	private:
101	T* ptr;
102	void value_changed();
103	protected:
104	sigc::signal<void> sig_to_be_changed;
105	sigc::signal<void, T> sig_val_changed;
106	public:
107	NumEntryTemp(const char* labelText,
108	double lower = 0, double upper = 127, int decimals = 0);
109	void set_ptr(T* ptr);
110	sigc::signal<void>& signal_to_be_changed() {
111	return sig_to_be_changed;
112	}
113	sigc::signal<void, T>& signal_value_changed() {
114	return sig_val_changed;
115	}
116	};
117
118	template<typename T>
119	NumEntryTemp<T>::NumEntryTemp(const char* labelText,
120	double lower, double upper, int decimals) :
121	NumEntry(labelText, lower, upper, decimals)
122	{
123	spinbutton.signal_value_changed().connect(
124	sigc::mem_fun(*this, &NumEntryTemp::value_changed));
125	}
126
127	template<typename T>
128	void NumEntryTemp<T>::value_changed()
129	{
130	const double f = pow(10, spinbutton.get_digits());
131	int new_value = round_to_int(spinbutton.get_value() * f);
132	const T val = T(new_value / f);
133	if (ptr) {
134	if (new_value != round_to_int(ptr f)) {
135	sig_to_be_changed.emit();
136	*ptr = val;
137	sig_val_changed.emit(val);
138	sig_changed.emit();
139	}
140	} else {
141	sig_to_be_changed.emit();
142	sig_val_changed.emit(val);
143	sig_changed.emit();
144	}
145	}
146
147	template<typename T>
148	void NumEntryTemp<T>::set_ptr(T* ptr)
149	{
150	this->ptr = 0;
151	if (ptr) set_value(*ptr);
152	this->ptr = ptr;
153	}
154
155
156	class NoteEntry : public NumEntryTemp<uint8_t> {
157	public:
158	NoteEntry(const char* labelText);
159	private:
160	int on_input(double* new_value);
161	bool on_output();
162	};
163
164
165	class NumEntryPermille : public NumEntry {
166	private:
167	uint16_t* ptr;
168	void value_changed();
169	public:
170	NumEntryPermille(const char* labelText,
171	double lower = 0, double upper = 127, int decimals = 0);
172	void set_ptr(uint16_t* ptr);
173	};
174
175
176	template<typename T>
177	class ChoiceEntry : public LabelWidget {
178	private:
179	Gtk::ComboBoxText combobox;
180	Gtk::Alignment align;
181	T* ptr;
182	void value_changed();
183	const T* values;
184	protected:
185	sigc::signal<void> sig_to_be_changed;
186	sigc::signal<void, T> sig_val_changed;
187	public:
188	ChoiceEntry(const char* labelText);
189	void set_choices(const char** texts, const T* values);
190	void set_ptr(T* ptr);
191	int get_active_row_number() { return combobox.get_active_row_number(); }
192	sigc::signal<void>& signal_to_be_changed() {
193	return sig_to_be_changed;
194	}
195	sigc::signal<void, T>& signal_value_changed() {
196	return sig_val_changed;
197	}
198	Glib::SignalProxy0<void> signal_changed() {
199	return combobox.signal_changed();
200	}
201	void set_tip(const Glib::ustring& tip_text) {
202	tooltips.set_tip(combobox, tip_text); //FIXME: don't Gtk::ComboBoxes support tooltips ???
203	}
204	};
205
206	template<typename T>
207	ChoiceEntry<T>::ChoiceEntry(const char* labelText) :
208	align(0, 0, 0, 0),
209	LabelWidget(labelText, align)
210	{
211	combobox.signal_changed().connect(
212	sigc::mem_fun(*this, &ChoiceEntry::value_changed));
213	align.add(combobox);
214	}
215
216	template<typename T>
217	void ChoiceEntry<T>::set_choices(const char** texts, const T* values)
218	{
219	for (int i = 0 ; texts[i] ; i++) {
220	combobox.append_text(texts[i]);
221	}
222	this->values = values;
223	}
224
225	template<typename T>
226	void ChoiceEntry<T>::value_changed()
227	{
228	int rowno = combobox.get_active_row_number();
229	if (rowno == -1) return;
230	const T val = values[rowno];
231	sig_to_be_changed.emit();
232	if (ptr) *ptr = val;
233	sig_val_changed.emit(val);
234	sig_changed.emit();
235	}
236
237	template<typename T>
238	void ChoiceEntry<T>::set_ptr(T* ptr)
239	{
240	this->ptr = 0;
241	if (ptr) {
242	T value = *ptr;
243	int row = 0;
244	int nb_rows = combobox.get_model()->children().size();
245	for (; row < nb_rows ; row++) {
246	if (value == values[row]) break;
247	}
248	combobox.set_active(row == nb_rows ? -1 : row);
249	} else combobox.set_active(-1);
250	this->ptr = ptr;
251	}
252
253
254	class ChoiceEntryLeverageCtrl : public LabelWidget {
255	private:
256	Gtk::ComboBoxText combobox;
257	Gtk::Alignment align;
258	gig::leverage_ctrl_t* ptr;
259	void value_changed();
260	public:
261	ChoiceEntryLeverageCtrl(const char* labelText);
262	void set_ptr(gig::leverage_ctrl_t* ptr);
263	int get_active_row_number() { return combobox.get_active_row_number(); }
264	Glib::SignalProxy0<void> signal_changed() {
265	return combobox.signal_changed();
266	}
267	};
268
269
270	class BoolEntry : public LabelWidget {
271	private:
272	Gtk::CheckButton checkbutton;
273	bool* ptr;
274	void value_changed();
275	public:
276	BoolEntry(const char* labelText);
277	bool get_active() { return checkbutton.get_active(); }
278	bool set_active(bool b) { checkbutton.set_active(b); }
279	Glib::SignalProxy0<void> signal_toggled() {
280	return checkbutton.signal_toggled();
281	}
282	void set_ptr(bool* ptr);
283	void set_tip(const Glib::ustring& tip_text) {
284	tooltips.set_tip(checkbutton, tip_text);
285	}
286	};
287
288
289	class BoolEntryPlus6 : public LabelWidget {
290	private:
291	Gtk::CheckButton checkbutton;
292	int32_t* ptr;
293	void value_changed();
294	NumEntryGain& eGain;
295	int32_t plus6value;
296	public:
297	BoolEntryPlus6(const char* labelText, NumEntryGain& eGain, int32_t plus6value);
298	void set_ptr(int32_t* ptr);
299	bool get_active() { return checkbutton.get_active(); }
300	Glib::SignalProxy0<void> signal_toggled() {
301	return checkbutton.signal_toggled();
302	}
303	};
304
305	class StringEntry : public LabelWidget {
306	private:
307	Gtk::Entry entry;
308	gig::String* ptr;
309	void value_changed();
310	public:
311	StringEntry(const char* labelText);
312	void set_ptr(gig::String* ptr);
313	};
314
315
316	#endif