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>

// Needed for lroundf()
#include <math.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...
        int iBank = m_pInstrument->bank();
        int iProgram = m_pInstrument->program();
        BankSpinBox->setValue(iBank);
        ProgramSpinBox->setValue(iProgram);
        // Spacial hack to avoid changes on the key...
        if (!bNew) {
                BankSpinBox->setRange(iBank, iBank);
                ProgramSpinBox->setRange(iProgram, iProgram);
        }

        // 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(::lroundf(100.0f * m_pInstrument->volume()));

        // 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(0.01f * float(VolumeSpinBox->value()));
                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	capela	969	// Needed for lroundf()
37			#include <math.h>
38	capela	962
39	capela	969
40	capela	962	// Kind of constructor.
41			void qsamplerInstrumentForm::init (void)
42			{
43			// Initialize locals.
44			m_pInstrument = NULL;
45
46			m_iDirtySetup = 0;
47			m_iDirtyCount = 0;
48			m_iDirtyName = 0;
49
50			// Try to restore normal window positioning.
51			adjustSize();
52			}
53
54
55			// Kind of destructor.
56			void qsamplerInstrumentForm::destroy (void)
57			{
58			}
59
60
61			// Channel dialog setup formal initializer.
62			void qsamplerInstrumentForm::setup ( qsamplerInstrument *pInstrument )
63			{
64			m_pInstrument = pInstrument;
65
66			m_iDirtySetup = 0;
67			m_iDirtyCount = 0;
68			m_iDirtyName = 0;
69
70			if (m_pInstrument == NULL)
71			return;
72
73			// Check if we're up and connected.
74			qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
75			if (pMainForm == NULL)
76			return;
77			if (pMainForm->client() == NULL)
78			return;
79
80			qsamplerOptions *pOptions = pMainForm->options();
81			if (pOptions == NULL)
82			return;
83
84			// It can be a brand new channel, remember?
85			bool bNew = (m_pInstrument->bank() < 0 \|\| m_pInstrument->program() < 0);
86			if (!bNew) {
87			m_pInstrument->get();
88			m_iDirtyName++;
89			}
90
91			// Avoid nested changes.
92			m_iDirtySetup++;
93
94			// Load combo box history...
95			pOptions->loadComboBoxHistory(InstrumentFileComboBox);
96
97			// Populate Engines list.
98			const char **ppszEngines = ::lscp_list_available_engines(pMainForm->client());
99			if (ppszEngines) {
100			EngineNameComboBox->clear();
101			for (int iEngine = 0; ppszEngines[iEngine]; iEngine++)
102			EngineNameComboBox->insertItem(ppszEngines[iEngine]);
103			}
104			else pMainForm->appendMessagesClient("lscp_list_available_engines");
105
106			// Read proper instrument information,
107			// and populate the instrument form fields.
108
109			// Instrument bank/program...
110	capela	969	int iBank = m_pInstrument->bank();
111			int iProgram = m_pInstrument->program();
112			BankSpinBox->setValue(iBank);
113			ProgramSpinBox->setValue(iProgram);
114			// Spacial hack to avoid changes on the key...
115			if (!bNew) {
116			BankSpinBox->setRange(iBank, iBank);
117			ProgramSpinBox->setRange(iProgram, iProgram);
118			}
119	capela	962
120			// Instrument name...
121			NameLineEdit->setText(m_pInstrument->name());
122
123			// Engine name...
124			QString sEngineName = m_pInstrument->engineName();
125			if (sEngineName.isEmpty() \|\| bNew)
126			sEngineName = pOptions->sEngineName;
127			if (sEngineName.isEmpty())
128			sEngineName = qsamplerChannel::noEngineName();
129			if (EngineNameComboBox->listBox()->findItem(sEngineName,
130			Qt::ExactMatch \| Qt::CaseSensitive) == NULL) {
131			EngineNameComboBox->insertItem(sEngineName);
132			}
133			EngineNameComboBox->setCurrentText(sEngineName);
134			// Instrument filename and index...
135			QString sInstrumentFile = m_pInstrument->instrumentFile();
136			if (sInstrumentFile.isEmpty())
137			sInstrumentFile = qsamplerChannel::noInstrumentName();
138			InstrumentFileComboBox->setCurrentText(sInstrumentFile);
139			InstrumentNrComboBox->clear();
140			InstrumentNrComboBox->insertStringList(
141			qsamplerChannel::getInstrumentList(sInstrumentFile,
142			pOptions->bInstrumentNames));
143			InstrumentNrComboBox->setCurrentItem(m_pInstrument->instrumentNr());
144
145			// Instrument volume....
146	capela	969	VolumeSpinBox->setValue(::lroundf(100.0f * m_pInstrument->volume()));
147	capela	962
148			// Instrument load mode...
149			LoadModeComboBox->setCurrentItem(m_pInstrument->loadMode());
150
151			// Done.
152			m_iDirtySetup--;
153			stabilizeForm();
154
155			// Done.
156			m_iDirtySetup--;
157			stabilizeForm();
158			}
159
160
161			// Special case for name change,
162			void qsamplerInstrumentForm::nameChanged ( const QString& /* sName */ )
163			{
164			if (m_iDirtySetup > 0)
165			return;
166
167			m_iDirtyName++;
168			changed();
169			}
170
171
172			// Browse and open an instrument file.
173			void qsamplerInstrumentForm::openInstrumentFile (void)
174			{
175			qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
176			if (pMainForm == NULL)
177			return;
178
179			qsamplerOptions *pOptions = pMainForm->options();
180			if (pOptions == NULL)
181			return;
182
183			// FIXME: the instrument file filters should be restricted,
184			// depending on the current engine.
185			QString sInstrumentFile = QFileDialog::getOpenFileName(
186			pOptions->sInstrumentDir, // Start here.
187			tr("Instrument files") + " (.gig .dls)", // Filter (GIG and DLS files)
188			this, 0, // Parent and name (none)
189			QSAMPLER_TITLE ": " + tr("Instrument files")// Caption.
190			);
191
192			if (sInstrumentFile.isEmpty())
193			return;
194
195			InstrumentFileComboBox->setCurrentText(sInstrumentFile);
196			updateInstrumentName();
197			}
198
199
200			// Refresh the actual instrument name.
201			void qsamplerInstrumentForm::updateInstrumentName (void)
202			{
203			qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
204			if (pMainForm == NULL)
205			return;
206
207			qsamplerOptions *pOptions = pMainForm->options();
208			if (pOptions == NULL)
209			return;
210
211			// TODO: this better idea would be to use libgig
212			// to retrieve the REAL instrument names.
213			InstrumentNrComboBox->clear();
214			InstrumentNrComboBox->insertStringList(
215			qsamplerChannel::getInstrumentList(
216			InstrumentFileComboBox->currentText(),
217			pOptions->bInstrumentNames)
218			);
219
220			instrumentNrChanged();
221			}
222
223
224			// Special case for instrumnet index change,
225			void qsamplerInstrumentForm::instrumentNrChanged (void)
226			{
227			if (m_iDirtySetup > 0)
228			return;
229
230			if (NameLineEdit->text().isEmpty() \|\| m_iDirtyName == 0) {
231			NameLineEdit->setText(InstrumentNrComboBox->currentText());
232			m_iDirtyName = 0;
233			}
234
235			changed();
236			}
237
238
239			// Accept settings (OK button slot).
240			void qsamplerInstrumentForm::accept (void)
241			{
242			if (m_pInstrument == NULL)
243			return;
244
245			qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
246			if (pMainForm == NULL)
247			return;
248			if (pMainForm->client() == NULL)
249			return;
250
251			qsamplerOptions *pOptions = pMainForm->options();
252			if (pOptions == NULL)
253			return;
254
255			if (m_iDirtyCount > 0) {
256			m_pInstrument->setBank(BankSpinBox->value());
257			m_pInstrument->setProgram(ProgramSpinBox->value());
258			m_pInstrument->setName(NameLineEdit->text());
259			m_pInstrument->setEngineName(EngineNameComboBox->currentText());
260			m_pInstrument->setInstrumentFile(InstrumentFileComboBox->currentText());
261			m_pInstrument->setInstrumentNr(InstrumentNrComboBox->currentItem());
262	capela	969	m_pInstrument->setVolume(0.01f * float(VolumeSpinBox->value()));
263	capela	962	m_pInstrument->setLoadMode(LoadModeComboBox->currentItem());
264			}
265
266			// Save default engine name, instrument directory and history...
267			pOptions->sInstrumentDir = QFileInfo(InstrumentFileComboBox->currentText()).dirPath(true);
268			pOptions->sEngineName = EngineNameComboBox->currentText();
269			pOptions->saveComboBoxHistory(InstrumentFileComboBox);
270
271			// Just go with dialog acceptance.
272			QDialog::accept();
273			}
274
275
276			// Reject settings (Cancel button slot).
277			void qsamplerInstrumentForm::reject (void)
278			{
279			bool bReject = true;
280
281			// Check if there's any pending changes...
282			if (m_iDirtyCount > 0 && OkPushButton->isEnabled()) {
283			switch (QMessageBox::warning(this,
284			QSAMPLER_TITLE ": " + tr("Warning"),
285			tr("Some channel settings have been changed.\n\n"
286			"Do you want to apply the changes?"),
287			tr("Apply"), tr("Discard"), tr("Cancel"))) {
288			case 0: // Apply...
289			accept();
290			return;
291			case 1: // Discard
292			break;
293			default: // Cancel.
294			bReject = false;
295			break;
296			}
297			}
298
299			if (bReject)
300			QDialog::reject();
301			}
302
303
304			// Dirty up settings.
305			void qsamplerInstrumentForm::changed (void)
306			{
307			if (m_iDirtySetup > 0)
308			return;
309
310			m_iDirtyCount++;
311			stabilizeForm();
312			}
313
314
315			// Stabilize current form state.
316			void qsamplerInstrumentForm::stabilizeForm (void)
317			{
318			bool bValid =!NameLineEdit->text().isEmpty();
319
320			const QString& sPath = InstrumentFileComboBox->currentText();
321			bValid = bValid && !sPath.isEmpty() && QFileInfo(sPath).exists();
322
323			OkPushButton->setEnabled(m_iDirtyCount > 0 && bValid);
324			}
325
326
327			// end of qsamplerInstrumentForm.ui.h