trunk/src/qsamplerChannelForm.ui.h

// qsamplerChannelForm.ui.h
//
// ui.h extension file, included from the uic-generated form implementation.
/****************************************************************************
   Copyright (C) 2004, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

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

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

#include "qsamplerOptions.h"
#include "qsamplerChannelStrip.h"

#include "config.h"


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

    m_iDirtySetup = 0;
    m_iDirtyCount = 0;

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


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


// Channel dialog setup formal initializer.
void qsamplerChannelForm::setup ( qsamplerChannelStrip *pChannel )
{
    m_pChannel = pChannel;

    m_iDirtySetup = 0;
    m_iDirtyCount = 0;

    if (m_pChannel == NULL)
        return;

    setCaption(m_pChannel->caption());

    // Check if we're up and connected.
    if (m_pChannel->client() == NULL)
        return;

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

    // Avoid nested changes.
    m_iDirtySetup++;

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

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

    // Populate Audio output type list.
    const char **ppszAudioDrivers = ::lscp_get_available_audio_drivers(m_pChannel->client());
    if (ppszAudioDrivers) {
        AudioDriverComboBox->clear();
        for (int iAudioDriver = 0; ppszAudioDrivers[iAudioDriver]; iAudioDriver++)
            AudioDriverComboBox->insertItem(ppszAudioDrivers[iAudioDriver]);
    }
    else m_pChannel->appendMessagesClient("lscp_get_available_audio_drivers");

    // Populate MIDI input type list.
    const char **ppszMidiDrivers = ::lscp_get_available_midi_drivers(m_pChannel->client());
    if (ppszMidiDrivers) {
        MidiDriverComboBox->clear();
        for (int iMidiDriver = 0; ppszMidiDrivers[iMidiDriver]; iMidiDriver++)
            MidiDriverComboBox->insertItem(ppszMidiDrivers[iMidiDriver]);
    }
    else m_pChannel->appendMessagesClient("lscp_get_available_midi_drivers");

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

    // Engine name...
    QString sEngineName = pChannel->engineName();
    if (sEngineName.isEmpty())
        sEngineName = tr("(No engine)");
    if (EngineNameComboBox->listBox()->findItem(sEngineName, Qt::ExactMatch) == NULL)
        EngineNameComboBox->insertItem(sEngineName);
    EngineNameComboBox->setCurrentText(sEngineName);
    // Instrument filename and index...
    QString sInstrumentFile = pChannel->instrumentFile();
    if (sInstrumentFile.isEmpty())
        sInstrumentFile = tr("(No instrument)");
    InstrumentFileComboBox->setCurrentText(sInstrumentFile);
    InstrumentNrSpinBox->setValue(pChannel->instrumentNr());
    // MIDI input...
    const QString& sMidiDriver = pChannel->midiDriver();
    if (!sMidiDriver.isEmpty()) {
        if (MidiDriverComboBox->listBox()->findItem(sMidiDriver, Qt::ExactMatch) == NULL)
            MidiDriverComboBox->insertItem(sMidiDriver);
        MidiDriverComboBox->setCurrentText(sMidiDriver);
    }
    MidiPortSpinBox->setValue(pChannel->midiPort());
    MidiChannelSpinBox->setValue(pChannel->midiChannel());
    // Audio output...
    const QString& sAudioDriver = pChannel->audioDriver();
    if (!sAudioDriver.isEmpty()) {
        if (AudioDriverComboBox->listBox()->findItem(sAudioDriver, Qt::ExactMatch) == NULL)
            AudioDriverComboBox->insertItem(sAudioDriver);
        AudioDriverComboBox->setCurrentText(sAudioDriver);
    }
    // FIXME: Disable this while we don't know what to do.
    MidiPortTextLabel->setEnabled(false);
    MidiPortSpinBox->setEnabled(false);
    // Done.
    m_iDirtySetup--;
    stabilizeForm();
}


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

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

    // We'll go for it!
    if (m_iDirtyCount > 0) {
        int iErrors = 0;
        // Audio output driver type...
        if (!m_pChannel->setAudioDriver(AudioDriverComboBox->currentText()))
            iErrors++;
        // MIDI input driver type...
        if (!m_pChannel->setMidiDriver(MidiDriverComboBox->currentText()))
            iErrors++;
        // MIDI input port number...
        if (!m_pChannel->setMidiPort(MidiPortSpinBox->value()))
            iErrors++;
        // MIDI input channel...
        if (!m_pChannel->setMidiChannel(MidiChannelSpinBox->value()))
            iErrors++;
        // Engine name...
        if (!m_pChannel->loadEngine(EngineNameComboBox->currentText()))
            iErrors++;
        // Instrument file and index...
        if (!m_pChannel->loadInstrument(InstrumentFileComboBox->currentText(), InstrumentNrSpinBox->value()))
            iErrors++;
        // Show error messages?
        if (iErrors > 0)
            m_pChannel->appendMessagesError(tr("Some channel settings could not be set.\n\nSorry."));
    }

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

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


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

    // Check if there's any pending changes...
    if (m_iDirtyCount > 0) {
        switch (QMessageBox::warning(this, 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;
        }
    }

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


// Browse and open an instrument file.
void qsamplerChannelForm::openInstrumentFile (void)
{
    qsamplerOptions *pOptions = m_pChannel->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)
            tr("Instrument files")                      // Caption.
    );

    if (sInstrumentFile.isEmpty())
        return;

    InstrumentFileComboBox->setCurrentText(sInstrumentFile);
}


// Refresh the actual instrument name.
void qsamplerChannelForm::updateInstrumentName (void)
{
    // FIXME: A better idea would be to use libgig
    // to retrieve the REAL instrument name.
    InstrumentNameTextLabel->setText(QFileInfo(InstrumentFileComboBox->currentText()).fileName()
        + " [" + QString::number(InstrumentNrSpinBox->value()) + "]");

    optionsChanged();
}


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

    m_iDirtyCount++;
    stabilizeForm();
}


// Stabilize current form state.
void qsamplerChannelForm::stabilizeForm (void)
{
    const QString& sFilename = InstrumentFileComboBox->currentText();
    OkPushButton->setEnabled(m_iDirtyCount > 0 && !sFilename.isEmpty() && QFileInfo(sFilename).exists());
}


// end of qsamplerChannelForm.ui.h

1	capela	104	// qsamplerChannelForm.ui.h
2			//
3			// ui.h extension file, included from the uic-generated form implementation.
4			/****************************************************************************
5			Copyright (C) 2004, 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
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 <qvalidator.h>
24			#include <qmessagebox.h>
25			#include <qfiledialog.h>
26			#include <qfileinfo.h>
27			#include <qlistbox.h>
28
29			#include "qsamplerOptions.h"
30			#include "qsamplerChannelStrip.h"
31
32			#include "config.h"
33
34
35			// Kind of constructor.
36			void qsamplerChannelForm::init (void)
37			{
38			// Initialize locals.
39			m_pChannel = NULL;
40
41			m_iDirtySetup = 0;
42			m_iDirtyCount = 0;
43
44			// Try to restore normal window positioning.
45			adjustSize();
46			}
47
48
49			// Kind of destructor.
50			void qsamplerChannelForm::destroy (void)
51			{
52			}
53
54
55			// Channel dialog setup formal initializer.
56			void qsamplerChannelForm::setup ( qsamplerChannelStrip *pChannel )
57			{
58			m_pChannel = pChannel;
59
60			m_iDirtySetup = 0;
61			m_iDirtyCount = 0;
62
63			if (m_pChannel == NULL)
64			return;
65
66			setCaption(m_pChannel->caption());
67
68			// Check if we're up and connected.
69			if (m_pChannel->client() == NULL)
70			return;
71
72			qsamplerOptions *pOptions = m_pChannel->options();
73			if (pOptions == NULL)
74			return;
75
76			// Avoid nested changes.
77			m_iDirtySetup++;
78
79			// Load combo box history...
80			pOptions->loadComboBoxHistory(InstrumentFileComboBox);
81
82			// Populate Engines list.
83			const char **ppszEngines = ::lscp_get_available_engines(m_pChannel->client());
84			if (ppszEngines) {
85			EngineNameComboBox->clear();
86			for (int iEngine = 0; ppszEngines[iEngine]; iEngine++)
87			EngineNameComboBox->insertItem(ppszEngines[iEngine]);
88			}
89			else m_pChannel->appendMessagesClient("lscp_get_available_engines");
90	capela	145
91	capela	104	// Populate Audio output type list.
92			const char **ppszAudioDrivers = ::lscp_get_available_audio_drivers(m_pChannel->client());
93			if (ppszAudioDrivers) {
94			AudioDriverComboBox->clear();
95			for (int iAudioDriver = 0; ppszAudioDrivers[iAudioDriver]; iAudioDriver++)
96			AudioDriverComboBox->insertItem(ppszAudioDrivers[iAudioDriver]);
97			}
98			else m_pChannel->appendMessagesClient("lscp_get_available_audio_drivers");
99
100			// Populate MIDI input type list.
101			const char **ppszMidiDrivers = ::lscp_get_available_midi_drivers(m_pChannel->client());
102			if (ppszMidiDrivers) {
103			MidiDriverComboBox->clear();
104			for (int iMidiDriver = 0; ppszMidiDrivers[iMidiDriver]; iMidiDriver++)
105			MidiDriverComboBox->insertItem(ppszMidiDrivers[iMidiDriver]);
106			}
107			else m_pChannel->appendMessagesClient("lscp_get_available_midi_drivers");
108	capela	145
109	capela	104	// Read proper channel information,
110			// and populate the channel form fields.
111
112			// Engine name...
113	capela	145	QString sEngineName = pChannel->engineName();
114			if (sEngineName.isEmpty())
115			sEngineName = tr("(No engine)");
116			if (EngineNameComboBox->listBox()->findItem(sEngineName, Qt::ExactMatch) == NULL)
117			EngineNameComboBox->insertItem(sEngineName);
118			EngineNameComboBox->setCurrentText(sEngineName);
119	capela	104	// Instrument filename and index...
120	capela	145	QString sInstrumentFile = pChannel->instrumentFile();
121			if (sInstrumentFile.isEmpty())
122			sInstrumentFile = tr("(No instrument)");
123			InstrumentFileComboBox->setCurrentText(sInstrumentFile);
124	capela	104	InstrumentNrSpinBox->setValue(pChannel->instrumentNr());
125			// MIDI input...
126			const QString& sMidiDriver = pChannel->midiDriver();
127			if (!sMidiDriver.isEmpty()) {
128			if (MidiDriverComboBox->listBox()->findItem(sMidiDriver, Qt::ExactMatch) == NULL)
129			MidiDriverComboBox->insertItem(sMidiDriver);
130			MidiDriverComboBox->setCurrentText(sMidiDriver);
131			}
132			MidiPortSpinBox->setValue(pChannel->midiPort());
133			MidiChannelSpinBox->setValue(pChannel->midiChannel());
134			// Audio output...
135			const QString& sAudioDriver = pChannel->audioDriver();
136			if (!sAudioDriver.isEmpty()) {
137			if (AudioDriverComboBox->listBox()->findItem(sAudioDriver, Qt::ExactMatch) == NULL)
138			AudioDriverComboBox->insertItem(sAudioDriver);
139			AudioDriverComboBox->setCurrentText(sAudioDriver);
140			}
141			// FIXME: Disable this while we don't know what to do.
142			MidiPortTextLabel->setEnabled(false);
143			MidiPortSpinBox->setEnabled(false);
144			// Done.
145			m_iDirtySetup--;
146			stabilizeForm();
147			}
148
149
150			// Accept settings (OK button slot).
151			void qsamplerChannelForm::accept (void)
152			{
153			if (m_pChannel == NULL)
154			return;
155
156			qsamplerOptions *pOptions = m_pChannel->options();
157			if (pOptions == NULL)
158			return;
159
160			// We'll go for it!
161			if (m_iDirtyCount > 0) {
162			int iErrors = 0;
163	capela	115	// Audio output driver type...
164			if (!m_pChannel->setAudioDriver(AudioDriverComboBox->currentText()))
165	capela	104	iErrors++;
166			// MIDI input driver type...
167			if (!m_pChannel->setMidiDriver(MidiDriverComboBox->currentText()))
168			iErrors++;
169			// MIDI input port number...
170			if (!m_pChannel->setMidiPort(MidiPortSpinBox->value()))
171			iErrors++;
172			// MIDI input channel...
173			if (!m_pChannel->setMidiChannel(MidiChannelSpinBox->value()))
174			iErrors++;
175	capela	115	// Engine name...
176			if (!m_pChannel->loadEngine(EngineNameComboBox->currentText()))
177	capela	104	iErrors++;
178			// Instrument file and index...
179			if (!m_pChannel->loadInstrument(InstrumentFileComboBox->currentText(), InstrumentNrSpinBox->value()))
180			iErrors++;
181			// Show error messages?
182			if (iErrors > 0)
183			m_pChannel->appendMessagesError(tr("Some channel settings could not be set.\n\nSorry."));
184			}
185
186			// Save default instrument directory and history...
187			pOptions->sInstrumentDir = QFileInfo(InstrumentFileComboBox->currentText()).dirPath(true);
188			pOptions->saveComboBoxHistory(InstrumentFileComboBox);
189
190			// Just go with dialog acceptance.
191			QDialog::accept();
192			}
193
194
195			// Reject settings (Cancel button slot).
196			void qsamplerChannelForm::reject (void)
197			{
198			bool bReject = true;
199
200			// Check if there's any pending changes...
201			if (m_iDirtyCount > 0) {
202			switch (QMessageBox::warning(this, tr("Warning"),
203			tr("Some channel settings have been changed.\n\n"
204			"Do you want to apply the changes?"),
205			tr("Apply"), tr("Discard"), tr("Cancel"))) {
206			case 0: // Apply...
207			accept();
208			return;
209			case 1: // Discard
210			break;
211			default: // Cancel.
212			bReject = false;
213			}
214			}
215
216			if (bReject)
217			QDialog::reject();
218			}
219
220
221			// Browse and open an instrument file.
222			void qsamplerChannelForm::openInstrumentFile (void)
223			{
224			qsamplerOptions *pOptions = m_pChannel->options();
225			if (pOptions == NULL)
226			return;
227
228			// FIXME: the instrument file filters should be restricted,
229			// depending on the current engine.
230			QString sInstrumentFile = QFileDialog::getOpenFileName(
231			pOptions->sInstrumentDir, // Start here.
232			tr("Instrument files") + " (.gig .dls)", // Filter (GIG and DLS files)
233			this, 0, // Parent and name (none)
234			tr("Instrument files") // Caption.
235			);
236
237			if (sInstrumentFile.isEmpty())
238			return;
239
240			InstrumentFileComboBox->setCurrentText(sInstrumentFile);
241			}
242
243
244			// Refresh the actual instrument name.
245			void qsamplerChannelForm::updateInstrumentName (void)
246			{
247			// FIXME: A better idea would be to use libgig
248			// to retrieve the REAL instrument name.
249			InstrumentNameTextLabel->setText(QFileInfo(InstrumentFileComboBox->currentText()).fileName()
250			+ " [" + QString::number(InstrumentNrSpinBox->value()) + "]");
251
252			optionsChanged();
253			}
254
255
256
257			// Dirty up settings.
258			void qsamplerChannelForm::optionsChanged (void)
259			{
260			if (m_iDirtySetup > 0)
261			return;
262
263			m_iDirtyCount++;
264			stabilizeForm();
265			}
266
267
268			// Stabilize current form state.
269			void qsamplerChannelForm::stabilizeForm (void)
270			{
271	capela	145	const QString& sFilename = InstrumentFileComboBox->currentText();
272	capela	104	OkPushButton->setEnabled(m_iDirtyCount > 0 && !sFilename.isEmpty() && QFileInfo(sFilename).exists());
273			}
274
275
276			// end of qsamplerChannelForm.ui.h
277