trunk/src/qsamplerInstrumentListForm.cpp

// qsamplerInstrumentListForm.cpp
//
/****************************************************************************
   Copyright (C) 2003-2010, rncbc aka Rui Nuno Capela. All rights reserved.
   Copyright (C) 2007, Christian Schoenebeck

   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
   of the License, 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 this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

*****************************************************************************/

#include "qsamplerAbout.h"
#include "qsamplerInstrumentListForm.h"

#include "qsamplerInstrumentList.h"

#include "qsamplerInstrumentForm.h"

#include "qsamplerOptions.h"
#include "qsamplerInstrument.h"
#include "qsamplerMainForm.h"

#include <QHeaderView>
#include <QMessageBox>


namespace QSampler {

//-------------------------------------------------------------------------
// QSampler::InstrumentListForm -- Instrument map list form implementation.
//

InstrumentListForm::InstrumentListForm (
        QWidget* pParent, Qt::WindowFlags wflags )
        : QMainWindow(pParent, wflags)
{
        m_ui.setupUi(this);

        // Setup toolbar widgets.
        m_pMapComboBox = new QComboBox(m_ui.instrumentToolbar);
        m_pMapComboBox->setMinimumWidth(120);
        m_pMapComboBox->setEnabled(false);
        m_pMapComboBox->setToolTip(tr("Instrument Map"));
        m_ui.instrumentToolbar->addWidget(m_pMapComboBox);

        m_ui.instrumentToolbar->addSeparator();
        m_ui.instrumentToolbar->addAction(m_ui.newInstrumentAction);
        m_ui.instrumentToolbar->addAction(m_ui.editInstrumentAction);
        m_ui.instrumentToolbar->addAction(m_ui.deleteInstrumentAction);
        m_ui.instrumentToolbar->addSeparator();
        m_ui.instrumentToolbar->addAction(m_ui.refreshInstrumentsAction);

        m_pInstrumentListView = new InstrumentListView(this);
        m_pInstrumentListView->setContextMenuPolicy(Qt::CustomContextMenu);
        QMainWindow::setCentralWidget(m_pInstrumentListView);

        QObject::connect(m_pMapComboBox,
                SIGNAL(activated(int)),
                SLOT(activateMap(int)));
        QObject::connect(
                m_pInstrumentListView,
                SIGNAL(customContextMenuRequested(const QPoint&)),
                SLOT(contextMenu(const QPoint&)));
        QObject::connect(
                m_pInstrumentListView,
                SIGNAL(activated(const QModelIndex&)),
                SLOT(stabilizeForm()));
        QObject::connect(
                m_pInstrumentListView,
                SIGNAL(doubleClicked(const QModelIndex&)),
                SLOT(editInstrument(const QModelIndex&)));
        QObject::connect(
                m_ui.newInstrumentAction,
                SIGNAL(triggered()),
                SLOT(newInstrument()));
        QObject::connect(
                m_ui.deleteInstrumentAction,
                SIGNAL(triggered()),
                SLOT(deleteInstrument()));
        QObject::connect(
                m_ui.editInstrumentAction,
                SIGNAL(triggered()),
                SLOT(editInstrument()));
        QObject::connect(
                m_ui.refreshInstrumentsAction,
                SIGNAL(triggered()),
                SLOT(refreshInstruments()));

        // Things must be stable from the start.
        stabilizeForm();
}


InstrumentListForm::~InstrumentListForm (void)
{
        delete m_pInstrumentListView;
        delete m_pMapComboBox;
}


// Notify our parent that we're emerging.
void InstrumentListForm::showEvent ( QShowEvent *pShowEvent )
{
        MainForm* pMainForm = MainForm::getInstance();
        if (pMainForm)
                pMainForm->stabilizeForm();

        QWidget::showEvent(pShowEvent);
}


// Notify our parent that we're closing.
void InstrumentListForm::hideEvent ( QHideEvent *pHideEvent )
{
        QWidget::hideEvent(pHideEvent);

        MainForm* pMainForm = MainForm::getInstance();
        if (pMainForm)
                pMainForm->stabilizeForm();
}


// Just about to notify main-window that we're closing.
void InstrumentListForm::closeEvent ( QCloseEvent * /*pCloseEvent*/ )
{
        QWidget::hide();

        MainForm *pMainForm = MainForm::getInstance();
        if (pMainForm)
                pMainForm->stabilizeForm();
}


// Refresh all instrument list and views.
void InstrumentListForm::refreshInstruments (void)
{
        MainForm* pMainForm = MainForm::getInstance();
        if (pMainForm == NULL)
                return;

        Options *pOptions = pMainForm->options();
        if (pOptions == NULL)
                return;

        // Get/save current map selection...
        int iMap = m_pMapComboBox->currentIndex();
        if (iMap < 0 || m_pMapComboBox->count() < 2)
                iMap = pOptions->iMidiMap + 1;

        // Populate maps list.
        m_pMapComboBox->clear();
        m_pMapComboBox->addItem(tr("(All)"));
        m_pMapComboBox->insertItems(1, Instrument::getMapNames());

        // Adjust to saved selection...
        if (iMap < 0 || iMap >= m_pMapComboBox->count())
                iMap = 0;
        m_pMapComboBox->setCurrentIndex(iMap);
        m_pMapComboBox->setEnabled(m_pMapComboBox->count() > 1);

        activateMap(iMap);
}


// Refresh instrument maps selector.
void InstrumentListForm::activateMap ( int iMap )
{
        MainForm* pMainForm = MainForm::getInstance();
        if (pMainForm == NULL)
                return;

        Options *pOptions = pMainForm->options();
        if (pOptions == NULL)
                return;

        int iMidiMap = iMap - 1;
        if (iMidiMap >= 0)
                pOptions->iMidiMap = iMidiMap;

        m_pInstrumentListView->setMidiMap(iMidiMap);
        m_pInstrumentListView->refresh();

        stabilizeForm();
}


void InstrumentListForm::editInstrument (void)
{
        editInstrument(m_pInstrumentListView->currentIndex());
}


void InstrumentListForm::editInstrument ( const QModelIndex& index )
{
        if (!index.isValid())
                return;

        Instrument *pInstrument
                = static_cast<Instrument *> (index.internalPointer());
        if (pInstrument == NULL)
                return;

        // Save current key values...
        int iMap  = pInstrument->map();
        int iBank = pInstrument->bank();
        int iProg = pInstrument->prog();

        Instrument instrument(iMap, iBank, iProg);

        // Do the edit dance...
        InstrumentForm form(this);
        form.setup(&instrument);
        if (form.exec()) {
                // Commit...
                instrument.mapInstrument();
                // Check whether we changed instrument key...
                if (instrument.map()  == iMap  &&
                        instrument.bank() == iBank &&
                        instrument.prog() == iProg) {
                        // Just update tree item...
                        //pItem->update();
                } else {
                        // Unmap old instance...
                        Instrument(iMap, iBank, iProg).unmapInstrument();
                        // correct the position of the instrument in the model
                        m_pInstrumentListView->updateInstrument(pInstrument);
                }
        }

        stabilizeForm();
}


void InstrumentListForm::newInstrument (void)
{
        Instrument instrument;

        InstrumentForm form(this);
        form.setup(&instrument);
        if (!form.exec())
                return;

        // Commit...
        instrument.mapInstrument();

        // add new item to the table model
        m_pInstrumentListView->addInstrument(
                instrument.map(),
                instrument.bank(),
                instrument.prog());

        stabilizeForm();
}


void InstrumentListForm::deleteInstrument (void)
{
        const QModelIndex& index = m_pInstrumentListView->currentIndex();
        if (!index.isValid())
                return;

        Instrument *pInstrument
                = static_cast<Instrument *> (index.internalPointer());
        if (pInstrument == NULL)
                return;

        MainForm *pMainForm = MainForm::getInstance();
        if (pMainForm == NULL)
                return;

        // Prompt user if this is for real...
        Options *pOptions = pMainForm->options();
        if (pOptions && pOptions->bConfirmRemove) {
                if (QMessageBox::warning(this,
                        QSAMPLER_TITLE ": " + tr("Warning"),
                        tr("About to delete instrument map entry:\n\n"
                        "%1\n\n"
                        "Are you sure?")
                        .arg(pInstrument->name()),
                        QMessageBox::Ok | QMessageBox::Cancel)
                        == QMessageBox::Cancel)
                        return;
        }

        pInstrument->unmapInstrument();

        // let the instrument vanish from the table model
        m_pInstrumentListView->removeInstrument(pInstrument);

        stabilizeForm();
}


// Update form actions enablement...
void InstrumentListForm::stabilizeForm (void)
{
        MainForm *pMainForm = MainForm::getInstance();

        bool bEnabled = (pMainForm && pMainForm->client());
        m_ui.newInstrumentAction->setEnabled(bEnabled);
        const QModelIndex& index = m_pInstrumentListView->currentIndex();
        bEnabled = (bEnabled && index.isValid());
        m_ui.editInstrumentAction->setEnabled(bEnabled);
        m_ui.deleteInstrumentAction->setEnabled(bEnabled);
}


// Handle custom context menu here...
void InstrumentListForm::contextMenu ( const QPoint& pos )
{
        if (!m_ui.newInstrumentAction->isEnabled())
                return;

        m_ui.contextMenu->exec(
                (m_pInstrumentListView->viewport())->mapToGlobal(pos));
}


} // namespace QSampler


// end of qsamplerInstrumentListForm.cpp
1	// qsamplerInstrumentListForm.cpp
2	//
3	/****************************************************************************
4	Copyright (C) 2003-2010, rncbc aka Rui Nuno Capela. All rights reserved.
5	Copyright (C) 2007, Christian Schoenebeck
6
7	This program is free software; you can redistribute it and/or
8	modify it under the terms of the GNU General Public License
9	as published by the Free Software Foundation; either version 2
10	of the License, or (at your option) any later version.
11
12	This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.
16
17	You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software
19	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20
21	*****************************************************************************/
22
23	#include "qsamplerAbout.h"
24	#include "qsamplerInstrumentListForm.h"
25
26	#include "qsamplerInstrumentList.h"
27
28	#include "qsamplerInstrumentForm.h"
29
30	#include "qsamplerOptions.h"
31	#include "qsamplerInstrument.h"
32	#include "qsamplerMainForm.h"
33
34	#include <QHeaderView>
35	#include <QMessageBox>
36
37
38	namespace QSampler {
39
40	//-------------------------------------------------------------------------
41	// QSampler::InstrumentListForm -- Instrument map list form implementation.
42	//
43
44	InstrumentListForm::InstrumentListForm (
45	QWidget* pParent, Qt::WindowFlags wflags )
46	: QMainWindow(pParent, wflags)
47	{
48	m_ui.setupUi(this);
49
50	// Setup toolbar widgets.
51	m_pMapComboBox = new QComboBox(m_ui.instrumentToolbar);
52	m_pMapComboBox->setMinimumWidth(120);
53	m_pMapComboBox->setEnabled(false);
54	m_pMapComboBox->setToolTip(tr("Instrument Map"));
55	m_ui.instrumentToolbar->addWidget(m_pMapComboBox);
56
57	m_ui.instrumentToolbar->addSeparator();
58	m_ui.instrumentToolbar->addAction(m_ui.newInstrumentAction);
59	m_ui.instrumentToolbar->addAction(m_ui.editInstrumentAction);
60	m_ui.instrumentToolbar->addAction(m_ui.deleteInstrumentAction);
61	m_ui.instrumentToolbar->addSeparator();
62	m_ui.instrumentToolbar->addAction(m_ui.refreshInstrumentsAction);
63
64	m_pInstrumentListView = new InstrumentListView(this);
65	m_pInstrumentListView->setContextMenuPolicy(Qt::CustomContextMenu);
66	QMainWindow::setCentralWidget(m_pInstrumentListView);
67
68	QObject::connect(m_pMapComboBox,
69	SIGNAL(activated(int)),
70	SLOT(activateMap(int)));
71	QObject::connect(
72	m_pInstrumentListView,
73	SIGNAL(customContextMenuRequested(const QPoint&)),
74	SLOT(contextMenu(const QPoint&)));
75	QObject::connect(
76	m_pInstrumentListView,
77	SIGNAL(activated(const QModelIndex&)),
78	SLOT(stabilizeForm()));
79	QObject::connect(
80	m_pInstrumentListView,
81	SIGNAL(doubleClicked(const QModelIndex&)),
82	SLOT(editInstrument(const QModelIndex&)));
83	QObject::connect(
84	m_ui.newInstrumentAction,
85	SIGNAL(triggered()),
86	SLOT(newInstrument()));
87	QObject::connect(
88	m_ui.deleteInstrumentAction,
89	SIGNAL(triggered()),
90	SLOT(deleteInstrument()));
91	QObject::connect(
92	m_ui.editInstrumentAction,
93	SIGNAL(triggered()),
94	SLOT(editInstrument()));
95	QObject::connect(
96	m_ui.refreshInstrumentsAction,
97	SIGNAL(triggered()),
98	SLOT(refreshInstruments()));
99
100	// Things must be stable from the start.
101	stabilizeForm();
102	}
103
104
105	InstrumentListForm::~InstrumentListForm (void)
106	{
107	delete m_pInstrumentListView;
108	delete m_pMapComboBox;
109	}
110
111
112	// Notify our parent that we're emerging.
113	void InstrumentListForm::showEvent ( QShowEvent *pShowEvent )
114	{
115	MainForm* pMainForm = MainForm::getInstance();
116	if (pMainForm)
117	pMainForm->stabilizeForm();
118
119	QWidget::showEvent(pShowEvent);
120	}
121
122
123	// Notify our parent that we're closing.
124	void InstrumentListForm::hideEvent ( QHideEvent *pHideEvent )
125	{
126	QWidget::hideEvent(pHideEvent);
127
128	MainForm* pMainForm = MainForm::getInstance();
129	if (pMainForm)
130	pMainForm->stabilizeForm();
131	}
132
133
134	// Just about to notify main-window that we're closing.
135	void InstrumentListForm::closeEvent ( QCloseEvent * /pCloseEvent/ )
136	{
137	QWidget::hide();
138
139	MainForm *pMainForm = MainForm::getInstance();
140	if (pMainForm)
141	pMainForm->stabilizeForm();
142	}
143
144
145	// Refresh all instrument list and views.
146	void InstrumentListForm::refreshInstruments (void)
147	{
148	MainForm* pMainForm = MainForm::getInstance();
149	if (pMainForm == NULL)
150	return;
151
152	Options *pOptions = pMainForm->options();
153	if (pOptions == NULL)
154	return;
155
156	// Get/save current map selection...
157	int iMap = m_pMapComboBox->currentIndex();
158	if (iMap < 0 \|\| m_pMapComboBox->count() < 2)
159	iMap = pOptions->iMidiMap + 1;
160
161	// Populate maps list.
162	m_pMapComboBox->clear();
163	m_pMapComboBox->addItem(tr("(All)"));
164	m_pMapComboBox->insertItems(1, Instrument::getMapNames());
165
166	// Adjust to saved selection...
167	if (iMap < 0 \|\| iMap >= m_pMapComboBox->count())
168	iMap = 0;
169	m_pMapComboBox->setCurrentIndex(iMap);
170	m_pMapComboBox->setEnabled(m_pMapComboBox->count() > 1);
171
172	activateMap(iMap);
173	}
174
175
176	// Refresh instrument maps selector.
177	void InstrumentListForm::activateMap ( int iMap )
178	{
179	MainForm* pMainForm = MainForm::getInstance();
180	if (pMainForm == NULL)
181	return;
182
183	Options *pOptions = pMainForm->options();
184	if (pOptions == NULL)
185	return;
186
187	int iMidiMap = iMap - 1;
188	if (iMidiMap >= 0)
189	pOptions->iMidiMap = iMidiMap;
190
191	m_pInstrumentListView->setMidiMap(iMidiMap);
192	m_pInstrumentListView->refresh();
193
194	stabilizeForm();
195	}
196
197
198	void InstrumentListForm::editInstrument (void)
199	{
200	editInstrument(m_pInstrumentListView->currentIndex());
201	}
202
203
204	void InstrumentListForm::editInstrument ( const QModelIndex& index )
205	{
206	if (!index.isValid())
207	return;
208
209	Instrument *pInstrument
210	= static_cast<Instrument *> (index.internalPointer());
211	if (pInstrument == NULL)
212	return;
213
214	// Save current key values...
215	int iMap = pInstrument->map();
216	int iBank = pInstrument->bank();
217	int iProg = pInstrument->prog();
218
219	Instrument instrument(iMap, iBank, iProg);
220
221	// Do the edit dance...
222	InstrumentForm form(this);
223	form.setup(&instrument);
224	if (form.exec()) {
225	// Commit...
226	instrument.mapInstrument();
227	// Check whether we changed instrument key...
228	if (instrument.map() == iMap &&
229	instrument.bank() == iBank &&
230	instrument.prog() == iProg) {
231	// Just update tree item...
232	//pItem->update();
233	} else {
234	// Unmap old instance...
235	Instrument(iMap, iBank, iProg).unmapInstrument();
236	// correct the position of the instrument in the model
237	m_pInstrumentListView->updateInstrument(pInstrument);
238	}
239	}
240
241	stabilizeForm();
242	}
243
244
245	void InstrumentListForm::newInstrument (void)
246	{
247	Instrument instrument;
248
249	InstrumentForm form(this);
250	form.setup(&instrument);
251	if (!form.exec())
252	return;
253
254	// Commit...
255	instrument.mapInstrument();
256
257	// add new item to the table model
258	m_pInstrumentListView->addInstrument(
259	instrument.map(),
260	instrument.bank(),
261	instrument.prog());
262
263	stabilizeForm();
264	}
265
266
267	void InstrumentListForm::deleteInstrument (void)
268	{
269	const QModelIndex& index = m_pInstrumentListView->currentIndex();
270	if (!index.isValid())
271	return;
272
273	Instrument *pInstrument
274	= static_cast<Instrument *> (index.internalPointer());
275	if (pInstrument == NULL)
276	return;
277
278	MainForm *pMainForm = MainForm::getInstance();
279	if (pMainForm == NULL)
280	return;
281
282	// Prompt user if this is for real...
283	Options *pOptions = pMainForm->options();
284	if (pOptions && pOptions->bConfirmRemove) {
285	if (QMessageBox::warning(this,
286	QSAMPLER_TITLE ": " + tr("Warning"),
287	tr("About to delete instrument map entry:\n\n"
288	"%1\n\n"
289	"Are you sure?")
290	.arg(pInstrument->name()),
291	QMessageBox::Ok \| QMessageBox::Cancel)
292	== QMessageBox::Cancel)
293	return;
294	}
295
296	pInstrument->unmapInstrument();
297
298	// let the instrument vanish from the table model
299	m_pInstrumentListView->removeInstrument(pInstrument);
300
301	stabilizeForm();
302	}
303
304
305	// Update form actions enablement...
306	void InstrumentListForm::stabilizeForm (void)
307	{
308	MainForm *pMainForm = MainForm::getInstance();
309
310	bool bEnabled = (pMainForm && pMainForm->client());
311	m_ui.newInstrumentAction->setEnabled(bEnabled);
312	const QModelIndex& index = m_pInstrumentListView->currentIndex();
313	bEnabled = (bEnabled && index.isValid());
314	m_ui.editInstrumentAction->setEnabled(bEnabled);
315	m_ui.deleteInstrumentAction->setEnabled(bEnabled);
316	}
317
318
319	// Handle custom context menu here...
320	void InstrumentListForm::contextMenu ( const QPoint& pos )
321	{
322	if (!m_ui.newInstrumentAction->isEnabled())
323	return;
324
325	m_ui.contextMenu->exec(
326	(m_pInstrumentListView->viewport())->mapToGlobal(pos));
327	}
328
329
330	} // namespace QSampler
331
332
333	// end of qsamplerInstrumentListForm.cpp