trunk/src/qsamplerInstrumentForm.ui.h

// qsamplerInstrumentForm.ui.h
//
// ui.h extension file, included from the uic-generated form implementation.
/****************************************************************************
   Copyright (C) 2004-2006, rncbc aka Rui Nuno Capela. All rights reserved.

   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.,
   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

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

#include "qsamplerAbout.h"
#include "qsamplerInstrument.h"

#include "qsamplerOptions.h"
#include "qsamplerChannel.h"

#include "qsamplerMainForm.h"

#include <qmessagebox.h>
#include <qfiledialog.h>
#include <qfileinfo.h>
#include <qlistbox.h>


// Kind of constructor.
void qsamplerInstrumentForm::init (void)
{
        // Initialize locals.
        m_pInstrument = NULL;

        m_iDirtySetup = 0;
        m_iDirtyCount = 0;
        m_iDirtyName  = 0;

        // Try to restore normal window positioning.
        adjustSize();
}


// Kind of destructor.
void qsamplerInstrumentForm::destroy (void)
{
}


// Channel dialog setup formal initializer.
void qsamplerInstrumentForm::setup ( qsamplerInstrument *pInstrument )
{
        m_pInstrument = pInstrument;

        m_iDirtySetup = 0;
        m_iDirtyCount = 0;
        m_iDirtyName  = 0;

        if (m_pInstrument == NULL)
                return;

        // Check if we're up and connected.
        qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
        if (pMainForm == NULL)
                return;
        if (pMainForm->client() == NULL)
                return;

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

        // It can be a brand new channel, remember?
        bool bNew = (m_pInstrument->bank() < 0 || m_pInstrument->program() < 0);
        if (!bNew) {
                m_pInstrument->get();
                m_iDirtyName++;
        }

        // Avoid nested changes.
        m_iDirtySetup++;

        // Load combo box history...
        pOptions->loadComboBoxHistory(InstrumentFileComboBox);

        // Populate Engines list.
        const char **ppszEngines = ::lscp_list_available_engines(pMainForm->client());
        if (ppszEngines) {
                EngineNameComboBox->clear();
                for (int iEngine = 0; ppszEngines[iEngine]; iEngine++)
                        EngineNameComboBox->insertItem(ppszEngines[iEngine]);
        }
        else pMainForm->appendMessagesClient("lscp_list_available_engines");

        // Read proper instrument information,
        // and populate the instrument form fields.

        // Instrument bank/program...
        BankSpinBox->setValue(m_pInstrument->bank());
        ProgramSpinBox->setValue(m_pInstrument->program());

        // Instrument name...
        NameLineEdit->setText(m_pInstrument->name());

        // Engine name...
        QString sEngineName = m_pInstrument->engineName();
        if (sEngineName.isEmpty() || bNew)
                sEngineName = pOptions->sEngineName;
        if (sEngineName.isEmpty())
                sEngineName = qsamplerChannel::noEngineName();
        if (EngineNameComboBox->listBox()->findItem(sEngineName,
                        Qt::ExactMatch | Qt::CaseSensitive) == NULL) {
                EngineNameComboBox->insertItem(sEngineName);
        }
        EngineNameComboBox->setCurrentText(sEngineName);
        // Instrument filename and index...
        QString sInstrumentFile = m_pInstrument->instrumentFile();
        if (sInstrumentFile.isEmpty())
                sInstrumentFile = qsamplerChannel::noInstrumentName();
        InstrumentFileComboBox->setCurrentText(sInstrumentFile);
        InstrumentNrComboBox->clear();
        InstrumentNrComboBox->insertStringList(
                qsamplerChannel::getInstrumentList(sInstrumentFile,
                pOptions->bInstrumentNames));
        InstrumentNrComboBox->setCurrentItem(m_pInstrument->instrumentNr());

        // Instrument volume....
        VolumeSpinBox->setValue(int(m_pInstrument->volume() * 100.0f));

        // Instrument load mode...
        LoadModeComboBox->setCurrentItem(m_pInstrument->loadMode());

        // Done.
        m_iDirtySetup--;
        stabilizeForm();

        // Done.
        m_iDirtySetup--;
        stabilizeForm();
}


// Special case for name change,
void qsamplerInstrumentForm::nameChanged ( const QString& /* sName */ )
{
        if (m_iDirtySetup > 0)
                return;

        m_iDirtyName++;
        changed();
}


// Browse and open an instrument file.
void qsamplerInstrumentForm::openInstrumentFile (void)
{
        qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
        if (pMainForm == NULL)
                return;

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

        // FIXME: the instrument file filters should be restricted,
        // depending on the current engine.
        QString sInstrumentFile = QFileDialog::getOpenFileName(
                pOptions->sInstrumentDir,                   // Start here.
                tr("Instrument files") + " (*.gig *.dls)",  // Filter (GIG and DLS files)
                this, 0,                                    // Parent and name (none)
                QSAMPLER_TITLE ": " + tr("Instrument files")// Caption.
        );

        if (sInstrumentFile.isEmpty())
                return;

        InstrumentFileComboBox->setCurrentText(sInstrumentFile);
        updateInstrumentName();
}


// Refresh the actual instrument name.
void qsamplerInstrumentForm::updateInstrumentName (void)
{
        qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
        if (pMainForm == NULL)
                return;

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

        // TODO: this better idea would be to use libgig
        // to retrieve the REAL instrument names.
        InstrumentNrComboBox->clear();
        InstrumentNrComboBox->insertStringList(
                qsamplerChannel::getInstrumentList(
                        InstrumentFileComboBox->currentText(),
                        pOptions->bInstrumentNames)
        );

        instrumentNrChanged();
}


// Special case for instrumnet index change,
void qsamplerInstrumentForm::instrumentNrChanged (void)
{
        if (m_iDirtySetup > 0)
                return;

        if (NameLineEdit->text().isEmpty() || m_iDirtyName == 0) {
                NameLineEdit->setText(InstrumentNrComboBox->currentText());
                m_iDirtyName = 0;
        }

        changed();
}


// Accept settings (OK button slot).
void qsamplerInstrumentForm::accept (void)
{
        if (m_pInstrument == NULL)
                return;

        qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
        if (pMainForm == NULL)
                return;
        if (pMainForm->client() == NULL)
                return;

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

        if (m_iDirtyCount > 0) {
                m_pInstrument->setBank(BankSpinBox->value());
                m_pInstrument->setProgram(ProgramSpinBox->value());
                m_pInstrument->setName(NameLineEdit->text());
                m_pInstrument->setEngineName(EngineNameComboBox->currentText());
                m_pInstrument->setInstrumentFile(InstrumentFileComboBox->currentText());
                m_pInstrument->setInstrumentNr(InstrumentNrComboBox->currentItem());
                m_pInstrument->setVolume(float(VolumeSpinBox->value() / 100));
                m_pInstrument->setLoadMode(LoadModeComboBox->currentItem());
        }

        // Save default engine name, instrument directory and history...
        pOptions->sInstrumentDir = QFileInfo(InstrumentFileComboBox->currentText()).dirPath(true);
        pOptions->sEngineName = EngineNameComboBox->currentText();
        pOptions->saveComboBoxHistory(InstrumentFileComboBox);

        // Just go with dialog acceptance.
        QDialog::accept();
}


// Reject settings (Cancel button slot).
void qsamplerInstrumentForm::reject (void)
{
        bool bReject = true;

        // Check if there's any pending changes...
        if (m_iDirtyCount > 0 && OkPushButton->isEnabled()) {
                switch (QMessageBox::warning(this,
                        QSAMPLER_TITLE ": " + tr("Warning"),
                        tr("Some channel settings have been changed.\n\n"
                        "Do you want to apply the changes?"),
                        tr("Apply"), tr("Discard"), tr("Cancel"))) {
                case 0:     // Apply...
                        accept();
                        return;
                case 1:     // Discard
                        break;
                default:    // Cancel.
                        bReject = false;
                        break;
                }
        }

        if (bReject)
                QDialog::reject();
}


// Dirty up settings.
void qsamplerInstrumentForm::changed (void)
{
        if (m_iDirtySetup > 0)
                return;

        m_iDirtyCount++;
        stabilizeForm();
}


// Stabilize current form state.
void qsamplerInstrumentForm::stabilizeForm (void)
{
        bool bValid =!NameLineEdit->text().isEmpty();

        const QString& sPath = InstrumentFileComboBox->currentText();
        bValid = bValid && !sPath.isEmpty() && QFileInfo(sPath).exists();

        OkPushButton->setEnabled(m_iDirtyCount > 0 && bValid);
}


// end of qsamplerInstrumentForm.ui.h
1	capela	962	// qsamplerInstrumentForm.ui.h
2			//
3			// ui.h extension file, included from the uic-generated form implementation.
4			/****************************************************************************
5			Copyright (C) 2004-2006, rncbc aka Rui Nuno Capela. All rights reserved.
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 along
18			with this program; if not, write to the Free Software Foundation, Inc.,
19			51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20
21			*****************************************************************************/
22
23			#include "qsamplerAbout.h"
24			#include "qsamplerInstrument.h"
25
26			#include "qsamplerOptions.h"
27			#include "qsamplerChannel.h"
28
29			#include "qsamplerMainForm.h"
30
31			#include <qmessagebox.h>
32			#include <qfiledialog.h>
33			#include <qfileinfo.h>
34			#include <qlistbox.h>
35
36
37			// Kind of constructor.
38			void qsamplerInstrumentForm::init (void)
39			{
40			// Initialize locals.
41			m_pInstrument = NULL;
42
43			m_iDirtySetup = 0;
44			m_iDirtyCount = 0;
45			m_iDirtyName = 0;
46
47			// Try to restore normal window positioning.
48			adjustSize();
49			}
50
51
52			// Kind of destructor.
53			void qsamplerInstrumentForm::destroy (void)
54			{
55			}
56
57
58			// Channel dialog setup formal initializer.
59			void qsamplerInstrumentForm::setup ( qsamplerInstrument *pInstrument )
60			{
61			m_pInstrument = pInstrument;
62
63			m_iDirtySetup = 0;
64			m_iDirtyCount = 0;
65			m_iDirtyName = 0;
66
67			if (m_pInstrument == NULL)
68			return;
69
70			// Check if we're up and connected.
71			qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
72			if (pMainForm == NULL)
73			return;
74			if (pMainForm->client() == NULL)
75			return;
76
77			qsamplerOptions *pOptions = pMainForm->options();
78			if (pOptions == NULL)
79			return;
80
81			// It can be a brand new channel, remember?
82			bool bNew = (m_pInstrument->bank() < 0 \|\| m_pInstrument->program() < 0);
83			if (!bNew) {
84			m_pInstrument->get();
85			m_iDirtyName++;
86			}
87
88			// Avoid nested changes.
89			m_iDirtySetup++;
90
91			// Load combo box history...
92			pOptions->loadComboBoxHistory(InstrumentFileComboBox);
93
94			// Populate Engines list.
95			const char **ppszEngines = ::lscp_list_available_engines(pMainForm->client());
96			if (ppszEngines) {
97			EngineNameComboBox->clear();
98			for (int iEngine = 0; ppszEngines[iEngine]; iEngine++)
99			EngineNameComboBox->insertItem(ppszEngines[iEngine]);
100			}
101			else pMainForm->appendMessagesClient("lscp_list_available_engines");
102
103			// Read proper instrument information,
104			// and populate the instrument form fields.
105
106			// Instrument bank/program...
107			BankSpinBox->setValue(m_pInstrument->bank());
108			ProgramSpinBox->setValue(m_pInstrument->program());
109
110			// Instrument name...
111			NameLineEdit->setText(m_pInstrument->name());
112
113			// Engine name...
114			QString sEngineName = m_pInstrument->engineName();
115			if (sEngineName.isEmpty() \|\| bNew)
116			sEngineName = pOptions->sEngineName;
117			if (sEngineName.isEmpty())
118			sEngineName = qsamplerChannel::noEngineName();
119			if (EngineNameComboBox->listBox()->findItem(sEngineName,
120			Qt::ExactMatch \| Qt::CaseSensitive) == NULL) {
121			EngineNameComboBox->insertItem(sEngineName);
122			}
123			EngineNameComboBox->setCurrentText(sEngineName);
124			// Instrument filename and index...
125			QString sInstrumentFile = m_pInstrument->instrumentFile();
126			if (sInstrumentFile.isEmpty())
127			sInstrumentFile = qsamplerChannel::noInstrumentName();
128			InstrumentFileComboBox->setCurrentText(sInstrumentFile);
129			InstrumentNrComboBox->clear();
130			InstrumentNrComboBox->insertStringList(
131			qsamplerChannel::getInstrumentList(sInstrumentFile,
132			pOptions->bInstrumentNames));
133			InstrumentNrComboBox->setCurrentItem(m_pInstrument->instrumentNr());
134
135			// Instrument volume....
136			VolumeSpinBox->setValue(int(m_pInstrument->volume() * 100.0f));
137
138			// Instrument load mode...
139			LoadModeComboBox->setCurrentItem(m_pInstrument->loadMode());
140
141			// Done.
142			m_iDirtySetup--;
143			stabilizeForm();
144
145			// Done.
146			m_iDirtySetup--;
147			stabilizeForm();
148			}
149
150
151			// Special case for name change,
152			void qsamplerInstrumentForm::nameChanged ( const QString& /* sName */ )
153			{
154			if (m_iDirtySetup > 0)
155			return;
156
157			m_iDirtyName++;
158			changed();
159			}
160
161
162			// Browse and open an instrument file.
163			void qsamplerInstrumentForm::openInstrumentFile (void)
164			{
165			qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
166			if (pMainForm == NULL)
167			return;
168
169			qsamplerOptions *pOptions = pMainForm->options();
170			if (pOptions == NULL)
171			return;
172
173			// FIXME: the instrument file filters should be restricted,
174			// depending on the current engine.
175			QString sInstrumentFile = QFileDialog::getOpenFileName(
176			pOptions->sInstrumentDir, // Start here.
177			tr("Instrument files") + " (.gig .dls)", // Filter (GIG and DLS files)
178			this, 0, // Parent and name (none)
179			QSAMPLER_TITLE ": " + tr("Instrument files")// Caption.
180			);
181
182			if (sInstrumentFile.isEmpty())
183			return;
184
185			InstrumentFileComboBox->setCurrentText(sInstrumentFile);
186			updateInstrumentName();
187			}
188
189
190			// Refresh the actual instrument name.
191			void qsamplerInstrumentForm::updateInstrumentName (void)
192			{
193			qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
194			if (pMainForm == NULL)
195			return;
196
197			qsamplerOptions *pOptions = pMainForm->options();
198			if (pOptions == NULL)
199			return;
200
201			// TODO: this better idea would be to use libgig
202			// to retrieve the REAL instrument names.
203			InstrumentNrComboBox->clear();
204			InstrumentNrComboBox->insertStringList(
205			qsamplerChannel::getInstrumentList(
206			InstrumentFileComboBox->currentText(),
207			pOptions->bInstrumentNames)
208			);
209
210			instrumentNrChanged();
211			}
212
213
214			// Special case for instrumnet index change,
215			void qsamplerInstrumentForm::instrumentNrChanged (void)
216			{
217			if (m_iDirtySetup > 0)
218			return;
219
220			if (NameLineEdit->text().isEmpty() \|\| m_iDirtyName == 0) {
221			NameLineEdit->setText(InstrumentNrComboBox->currentText());
222			m_iDirtyName = 0;
223			}
224
225			changed();
226			}
227
228
229			// Accept settings (OK button slot).
230			void qsamplerInstrumentForm::accept (void)
231			{
232			if (m_pInstrument == NULL)
233			return;
234
235			qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
236			if (pMainForm == NULL)
237			return;
238			if (pMainForm->client() == NULL)
239			return;
240
241			qsamplerOptions *pOptions = pMainForm->options();
242			if (pOptions == NULL)
243			return;
244
245			if (m_iDirtyCount > 0) {
246			m_pInstrument->setBank(BankSpinBox->value());
247			m_pInstrument->setProgram(ProgramSpinBox->value());
248			m_pInstrument->setName(NameLineEdit->text());
249			m_pInstrument->setEngineName(EngineNameComboBox->currentText());
250			m_pInstrument->setInstrumentFile(InstrumentFileComboBox->currentText());
251			m_pInstrument->setInstrumentNr(InstrumentNrComboBox->currentItem());
252			m_pInstrument->setVolume(float(VolumeSpinBox->value() / 100));
253			m_pInstrument->setLoadMode(LoadModeComboBox->currentItem());
254			}
255
256			// Save default engine name, instrument directory and history...
257			pOptions->sInstrumentDir = QFileInfo(InstrumentFileComboBox->currentText()).dirPath(true);
258			pOptions->sEngineName = EngineNameComboBox->currentText();
259			pOptions->saveComboBoxHistory(InstrumentFileComboBox);
260
261			// Just go with dialog acceptance.
262			QDialog::accept();
263			}
264
265
266			// Reject settings (Cancel button slot).
267			void qsamplerInstrumentForm::reject (void)
268			{
269			bool bReject = true;
270
271			// Check if there's any pending changes...
272			if (m_iDirtyCount > 0 && OkPushButton->isEnabled()) {
273			switch (QMessageBox::warning(this,
274			QSAMPLER_TITLE ": " + tr("Warning"),
275			tr("Some channel settings have been changed.\n\n"
276			"Do you want to apply the changes?"),
277			tr("Apply"), tr("Discard"), tr("Cancel"))) {
278			case 0: // Apply...
279			accept();
280			return;
281			case 1: // Discard
282			break;
283			default: // Cancel.
284			bReject = false;
285			break;
286			}
287			}
288
289			if (bReject)
290			QDialog::reject();
291			}
292
293
294			// Dirty up settings.
295			void qsamplerInstrumentForm::changed (void)
296			{
297			if (m_iDirtySetup > 0)
298			return;
299
300			m_iDirtyCount++;
301			stabilizeForm();
302			}
303
304
305			// Stabilize current form state.
306			void qsamplerInstrumentForm::stabilizeForm (void)
307			{
308			bool bValid =!NameLineEdit->text().isEmpty();
309
310			const QString& sPath = InstrumentFileComboBox->currentText();
311			bValid = bValid && !sPath.isEmpty() && QFileInfo(sPath).exists();
312
313			OkPushButton->setEnabled(m_iDirtyCount > 0 && bValid);
314			}
315
316
317			// end of qsamplerInstrumentForm.ui.h