trunk/src/qsamplerChannelStrip.ui.h

// qsamplerChannelStrip.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 <qfileinfo.h>
#include <qtooltip.h>
#include <qpopupmenu.h>

#include <math.h>

#include "qsamplerMainForm.h"
#include "qsamplerChannelForm.h"

#include "config.h"


// Kind of constructor.
void qsamplerChannelStrip::init (void)
{
    // Initialize locals.
    m_pMainForm    = NULL;
    m_pChannel     = NULL;
    m_iDirtyChange = 0;

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


// Kind of destructor.
void qsamplerChannelStrip::destroy (void)
{
    // Destroy existing channel descriptor.
    if (m_pChannel)
        delete m_pChannel;
    m_pChannel = NULL;
}


// Channel strip setup formal initializer.
void qsamplerChannelStrip::setup ( qsamplerMainForm *pMainForm, int iChannelID )
{
    // Set main form reference.
    m_pMainForm = pMainForm;
    
    // Destroy any previous channel descriptor.
    if (m_pChannel)
        delete m_pChannel;

    // Create a new one...
    m_pChannel = new qsamplerChannel(pMainForm);
    // And set appropriate settings.
    if (m_pChannel) {
        m_pChannel->setChannelID(iChannelID);
        m_iDirtyChange = 0;
    }
}

// Channel secriptor accessor.
qsamplerChannel *qsamplerChannelStrip::channel (void)
{
    return m_pChannel;
}


// Messages view font accessors.
QFont qsamplerChannelStrip::displayFont (void)
{
    return EngineNameTextLabel->font();
}

void qsamplerChannelStrip::setDisplayFont ( const QFont & font )
{
    EngineNameTextLabel->setFont(font);
    MidiPortChannelTextLabel->setFont(font);
    InstrumentNameTextLabel->setFont(font);
    InstrumentStatusTextLabel->setFont(font);
}


// Channel setup dialog slot.
void qsamplerChannelStrip::channelSetup (void)
{
    showChannelSetup(false);
}


// Channel setup dialog.
void qsamplerChannelStrip::showChannelSetup ( bool bNew )
{
    qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(this);
    if (pChannelForm) {
        pChannelForm->setup(m_pChannel, bNew);
        if (pChannelForm->exec()) {
            updateChannelInfo();
            emit channelChanged(this);
        }
        delete pChannelForm;
    }
}


// Update whole channel info state.
void qsamplerChannelStrip::updateChannelInfo (void)
{
    if (m_pChannel == NULL)
        return;
        
    // Update strip caption.
    QString sText = tr("Channel %1").arg(m_pChannel->channelID());
    setCaption(sText);
    ChannelSetupPushButton->setText(sText);

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

    // Read actual channel information.
    m_pChannel->updateChannelInfo();

    // Set some proper display values.
    const QString sIndent = " ";

    // Engine name...
    if (m_pChannel->engineName().isEmpty())
        EngineNameTextLabel->setText(sIndent + tr("(No engine)"));
    else
        EngineNameTextLabel->setText(sIndent + m_pChannel->engineName());

    // Instrument name...
    if (m_pChannel->instrumentFile().isEmpty())
        InstrumentNameTextLabel->setText(sIndent + tr("(No instrument)"));
    else
        InstrumentNameTextLabel->setText(sIndent + QString("%1 [%2]")
            .arg(QFileInfo(m_pChannel->instrumentFile()).fileName()).arg(m_pChannel->instrumentNr()));

    // Instrument status...
    int iInstrumentStatus = m_pChannel->instrumentStatus();
    if (iInstrumentStatus < 0) {
        InstrumentStatusTextLabel->setPaletteForegroundColor(Qt::red);
        InstrumentStatusTextLabel->setText(tr("ERR%1").arg(iInstrumentStatus));
    } else {
        InstrumentStatusTextLabel->setPaletteForegroundColor(iInstrumentStatus < 100 ? Qt::yellow : Qt::green);
        InstrumentStatusTextLabel->setText(QString::number(iInstrumentStatus) + "%");
    }

    // MIDI Port/Channel...
    if (m_pChannel->midiChannel() > 0)
        MidiPortChannelTextLabel->setText(QString("%1 / %2").arg(m_pChannel->midiPort()).arg(m_pChannel->midiChannel()));
    else
        MidiPortChannelTextLabel->setText(QString("%1 / *").arg(m_pChannel->midiPort()));

    // And update the both GUI volume elements.
    updateChannelVolume();
}


// Do the dirty volume change.
void qsamplerChannelStrip::updateChannelVolume (void)
{
    if (m_pChannel == NULL)
        return;

    // Convert...
#ifdef CONFIG_ROUND
    int iVolume = (int) ::round(100.0 * m_pChannel->volume());
#else
    double fIPart = 0.0;
    double fFPart = ::modf(100.0 * m_pChannel->volume(), &fIPart);
    int iVolume = (int) fIPart;
    if (fFPart >= +0.5)
        iVolume++;
    else
    if (fFPart <= -0.5)
        iVolume--;
#endif

    // And clip...
    if (iVolume < 0)
        iVolume = 0;

    // Flag it here, to avoid infinite recursion.
    m_iDirtyChange++;
    VolumeSlider->setValue(iVolume);
    VolumeSpinBox->setValue(iVolume);
    m_iDirtyChange--;
}


// Update whole channel usage state.
void qsamplerChannelStrip::updateChannelUsage (void)
{
    if (m_pChannel == NULL)
        return;
    if (m_pChannel->client() == NULL)
        return;

    // Conditionally update whole channel status info.
    if (m_pChannel->instrumentStatus() >= 0 && m_pChannel->instrumentStatus() < 100) {
        updateChannelInfo();
        // Once we get a complete instrument load, try a implied reset channel....
        if (m_pChannel->instrumentStatus() == 100)
            m_pChannel->resetChannel();
    }
    // Leave, if we still have an erroneus or incomplete instrument load.
    if (m_pChannel->instrumentStatus() < 100)
        return;

    // Get current channel voice count.
    int iVoiceCount  = ::lscp_get_channel_voice_count(m_pChannel->client(), m_pChannel->channelID());
    // Get current stream count.
    int iStreamCount = ::lscp_get_channel_stream_count(m_pChannel->client(), m_pChannel->channelID());
    // Get current channel buffer fill usage.
    // As benno has suggested this is the percentage usage
    // of the least filled buffer stream...
    int iStreamUsage = ::lscp_get_channel_stream_usage(m_pChannel->client(), m_pChannel->channelID());;

    // Update the GUI elements...
    StreamUsageProgressBar->setProgress(iStreamUsage);
    StreamVoiceCountTextLabel->setText(QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount));
}


// Volume change slot.
void qsamplerChannelStrip::volumeChanged ( int iVolume )
{
    if (m_pChannel == NULL)
        return;

    // Avoid recursion.
    if (m_iDirtyChange > 0)
        return;

    // Convert and clip.
    float fVolume = (float) iVolume / 100.0;
    if (fVolume < 0.001)
        fVolume = 0.0;

    // Update the GUI elements.
    if (m_pChannel->setVolume(fVolume)) {
        updateChannelVolume();
        emit channelChanged(this);
    }
}


// Context menu event handler.
void qsamplerChannelStrip::contextMenuEvent( QContextMenuEvent *pEvent )
{
    if (m_pMainForm == NULL)
        return;
        
    // We'll just show up the main form's edit menu.
    m_pMainForm->contextMenuEvent(pEvent);
}


// Maximum volume slider accessors.
void qsamplerChannelStrip::setMaxVolume ( int iMaxVolume )
{
    m_iDirtyChange++;
    VolumeSlider->setRange(0, iMaxVolume);
    VolumeSpinBox->setRange(0, iMaxVolume);
    m_iDirtyChange--;
}


// end of qsamplerChannelStrip.ui.h
1	capela	109	// qsamplerChannelStrip.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 <qfileinfo.h>
26			#include <qtooltip.h>
27	capela	118	#include <qpopupmenu.h>
28	capela	109
29			#include <math.h>
30
31			#include "qsamplerMainForm.h"
32			#include "qsamplerChannelForm.h"
33
34			#include "config.h"
35
36
37			// Kind of constructor.
38			void qsamplerChannelStrip::init (void)
39			{
40			// Initialize locals.
41	capela	264	m_pMainForm = NULL;
42			m_pChannel = NULL;
43	capela	109	m_iDirtyChange = 0;
44
45			// Try to restore normal window positioning.
46			adjustSize();
47			}
48
49
50			// Kind of destructor.
51			void qsamplerChannelStrip::destroy (void)
52			{
53	capela	264	// Destroy existing channel descriptor.
54			if (m_pChannel)
55			delete m_pChannel;
56			m_pChannel = NULL;
57	capela	109	}
58
59
60			// Channel strip setup formal initializer.
61			void qsamplerChannelStrip::setup ( qsamplerMainForm *pMainForm, int iChannelID )
62			{
63	capela	264	// Set main form reference.
64	capela	109	m_pMainForm = pMainForm;
65	capela	145
66	capela	264	// Destroy any previous channel descriptor.
67			if (m_pChannel)
68			delete m_pChannel;
69	capela	109
70	capela	264	// Create a new one...
71			m_pChannel = new qsamplerChannel(pMainForm);
72			// And set appropriate settings.
73			if (m_pChannel) {
74			m_pChannel->setChannelID(iChannelID);
75			m_iDirtyChange = 0;
76	capela	109	}
77			}
78
79	capela	264	// Channel secriptor accessor.
80			qsamplerChannel *qsamplerChannelStrip::channel (void)
81	capela	109	{
82	capela	264	return m_pChannel;
83	capela	109	}
84
85
86			// Messages view font accessors.
87			QFont qsamplerChannelStrip::displayFont (void)
88			{
89			return EngineNameTextLabel->font();
90			}
91
92			void qsamplerChannelStrip::setDisplayFont ( const QFont & font )
93			{
94			EngineNameTextLabel->setFont(font);
95	capela	145	MidiPortChannelTextLabel->setFont(font);
96	capela	109	InstrumentNameTextLabel->setFont(font);
97	capela	145	InstrumentStatusTextLabel->setFont(font);
98	capela	109	}
99
100	capela	263
101			// Channel setup dialog slot.
102			void qsamplerChannelStrip::channelSetup (void)
103			{
104			showChannelSetup(false);
105			}
106
107
108	capela	109	// Channel setup dialog.
109	capela	263	void qsamplerChannelStrip::showChannelSetup ( bool bNew )
110	capela	109	{
111			qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(this);
112			if (pChannelForm) {
113	capela	264	pChannelForm->setup(m_pChannel, bNew);
114	capela	109	if (pChannelForm->exec()) {
115			updateChannelInfo();
116			emit channelChanged(this);
117			}
118			delete pChannelForm;
119			}
120			}
121
122
123			// Update whole channel info state.
124			void qsamplerChannelStrip::updateChannelInfo (void)
125			{
126	capela	264	if (m_pChannel == NULL)
127			return;
128
129	capela	109	// Update strip caption.
130	capela	264	QString sText = tr("Channel %1").arg(m_pChannel->channelID());
131	capela	109	setCaption(sText);
132			ChannelSetupPushButton->setText(sText);
133
134			// Check if we're up and connected.
135	capela	264	if (m_pChannel->client() == NULL)
136	capela	109	return;
137
138	capela	264	// Read actual channel information.
139			m_pChannel->updateChannelInfo();
140	capela	109
141			// Set some proper display values.
142	capela	261	const QString sIndent = " ";
143	capela	109
144			// Engine name...
145	capela	264	if (m_pChannel->engineName().isEmpty())
146	capela	261	EngineNameTextLabel->setText(sIndent + tr("(No engine)"));
147	capela	109	else
148	capela	264	EngineNameTextLabel->setText(sIndent + m_pChannel->engineName());
149	capela	109
150			// Instrument name...
151	capela	264	if (m_pChannel->instrumentFile().isEmpty())
152	capela	261	InstrumentNameTextLabel->setText(sIndent + tr("(No instrument)"));
153	capela	109	else
154	capela	261	InstrumentNameTextLabel->setText(sIndent + QString("%1 [%2]")
155	capela	264	.arg(QFileInfo(m_pChannel->instrumentFile()).fileName()).arg(m_pChannel->instrumentNr()));
156	capela	109
157	capela	145	// Instrument status...
158	capela	264	int iInstrumentStatus = m_pChannel->instrumentStatus();
159			if (iInstrumentStatus < 0) {
160	capela	145	InstrumentStatusTextLabel->setPaletteForegroundColor(Qt::red);
161	capela	264	InstrumentStatusTextLabel->setText(tr("ERR%1").arg(iInstrumentStatus));
162	capela	145	} else {
163	capela	264	InstrumentStatusTextLabel->setPaletteForegroundColor(iInstrumentStatus < 100 ? Qt::yellow : Qt::green);
164			InstrumentStatusTextLabel->setText(QString::number(iInstrumentStatus) + "%");
165	capela	145	}
166
167	capela	109	// MIDI Port/Channel...
168	capela	264	if (m_pChannel->midiChannel() > 0)
169			MidiPortChannelTextLabel->setText(QString("%1 / %2").arg(m_pChannel->midiPort()).arg(m_pChannel->midiChannel()));
170	capela	261	else
171	capela	264	MidiPortChannelTextLabel->setText(QString("%1 / *").arg(m_pChannel->midiPort()));
172	capela	261
173	capela	109	// And update the both GUI volume elements.
174			updateChannelVolume();
175			}
176
177
178			// Do the dirty volume change.
179			void qsamplerChannelStrip::updateChannelVolume (void)
180			{
181	capela	264	if (m_pChannel == NULL)
182			return;
183
184	capela	109	// Convert...
185			#ifdef CONFIG_ROUND
186	capela	264	int iVolume = (int) ::round(100.0 * m_pChannel->volume());
187	capela	109	#else
188			double fIPart = 0.0;
189	capela	264	double fFPart = ::modf(100.0 * m_pChannel->volume(), &fIPart);
190	capela	109	int iVolume = (int) fIPart;
191			if (fFPart >= +0.5)
192			iVolume++;
193			else
194			if (fFPart <= -0.5)
195			iVolume--;
196			#endif
197
198			// And clip...
199	capela	119	if (iVolume < 0)
200	capela	109	iVolume = 0;
201
202			// Flag it here, to avoid infinite recursion.
203			m_iDirtyChange++;
204			VolumeSlider->setValue(iVolume);
205			VolumeSpinBox->setValue(iVolume);
206			m_iDirtyChange--;
207			}
208
209
210			// Update whole channel usage state.
211			void qsamplerChannelStrip::updateChannelUsage (void)
212			{
213	capela	264	if (m_pChannel == NULL)
214	capela	109	return;
215	capela	264	if (m_pChannel->client() == NULL)
216			return;
217	capela	109
218	capela	145	// Conditionally update whole channel status info.
219	capela	264	if (m_pChannel->instrumentStatus() >= 0 && m_pChannel->instrumentStatus() < 100) {
220	capela	145	updateChannelInfo();
221	capela	176	// Once we get a complete instrument load, try a implied reset channel....
222	capela	264	if (m_pChannel->instrumentStatus() == 100)
223			m_pChannel->resetChannel();
224	capela	176	}
225	capela	152	// Leave, if we still have an erroneus or incomplete instrument load.
226	capela	264	if (m_pChannel->instrumentStatus() < 100)
227	capela	152	return;
228	capela	145
229	capela	109	// Get current channel voice count.
230	capela	264	int iVoiceCount = ::lscp_get_channel_voice_count(m_pChannel->client(), m_pChannel->channelID());
231	capela	109	// Get current stream count.
232	capela	264	int iStreamCount = ::lscp_get_channel_stream_count(m_pChannel->client(), m_pChannel->channelID());
233	capela	109	// Get current channel buffer fill usage.
234			// As benno has suggested this is the percentage usage
235			// of the least filled buffer stream...
236	capela	264	int iStreamUsage = ::lscp_get_channel_stream_usage(m_pChannel->client(), m_pChannel->channelID());;
237	capela	176
238	capela	109	// Update the GUI elements...
239			StreamUsageProgressBar->setProgress(iStreamUsage);
240			StreamVoiceCountTextLabel->setText(QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount));
241			}
242
243
244			// Volume change slot.
245			void qsamplerChannelStrip::volumeChanged ( int iVolume )
246			{
247	capela	264	if (m_pChannel == NULL)
248			return;
249
250	capela	109	// Avoid recursion.
251			if (m_iDirtyChange > 0)
252			return;
253
254			// Convert and clip.
255			float fVolume = (float) iVolume / 100.0;
256	capela	119	if (fVolume < 0.001)
257	capela	109	fVolume = 0.0;
258
259			// Update the GUI elements.
260	capela	264	if (m_pChannel->setVolume(fVolume)) {
261	capela	109	updateChannelVolume();
262			emit channelChanged(this);
263			}
264			}
265
266
267	capela	118	// Context menu event handler.
268			void qsamplerChannelStrip::contextMenuEvent( QContextMenuEvent *pEvent )
269			{
270	capela	264	if (m_pMainForm == NULL)
271			return;
272
273	capela	118	// We'll just show up the main form's edit menu.
274	capela	127	m_pMainForm->contextMenuEvent(pEvent);
275	capela	118	}
276
277
278	capela	119	// Maximum volume slider accessors.
279			void qsamplerChannelStrip::setMaxVolume ( int iMaxVolume )
280			{
281			m_iDirtyChange++;
282			VolumeSlider->setRange(0, iMaxVolume);
283			VolumeSpinBox->setRange(0, iMaxVolume);
284			m_iDirtyChange--;
285			}
286
287
288	capela	109	// end of qsamplerChannelStrip.ui.h