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 <qobjectlist.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 && iChannelID >= 0) {
        m_pChannel->setChannelID(iChannelID);
        m_iDirtyChange = 0;
    }
    
    // Stabilize this around.
    updateChannelInfo();
}

// 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 display background effect.
void qsamplerChannelStrip::setDisplayEffect ( bool bDisplayEffect )
{
    QPixmap pm;
    if (bDisplayEffect)
        pm = QPixmap::fromMimeSource("displaybg1.png");
    setDisplayBackground(pm);
}


// Update main display background pixmap.
void qsamplerChannelStrip::setDisplayBackground ( const QPixmap& pm )
{
    // Set the main origin...
    ChannelInfoFrame->setPaletteBackgroundPixmap(pm);

    // Iterate for every child text label...
    QObjectList *pList = ChannelInfoFrame->queryList("QLabel");
    if (pList) {
        for (QLabel *pLabel = (QLabel *) pList->first(); pLabel; pLabel = (QLabel *) pList->next())
            pLabel->setPaletteBackgroundPixmap(pm);
        delete pList;
    }
    
    // And this standalone too.
    StreamVoiceCountTextLabel->setPaletteBackgroundPixmap(pm);
}


// Channel setup dialog slot.
bool qsamplerChannelStrip::channelSetup (void)
{
    bool bResult = false;

    qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(this);
    if (pChannelForm) {
        pChannelForm->setup(m_pChannel);
        bResult = pChannelForm->exec();
        delete pChannelForm;
    }

    if (bResult) {
        updateChannelInfo();
        emit channelChanged(this);
    }

    return bResult;
}


// Update whole channel info state.
void qsamplerChannelStrip::updateChannelInfo (void)
{
    if (m_pChannel == NULL)
        return;
        
    // Update strip caption.
    QString sText = m_pChannel->channelName();
    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() == LSCP_MIDI_CHANNEL_ALL)
        MidiPortChannelTextLabel->setText(QString("%1 / *").arg(m_pChannel->midiPort()));
    else
        MidiPortChannelTextLabel->setText(QString("%1 / %2").arg(m_pChannel->midiPort()).arg(m_pChannel->midiChannel() + 1));

    // 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	267	#include <qobjectlist.h>
29	capela	109
30			#include <math.h>
31
32			#include "qsamplerMainForm.h"
33			#include "qsamplerChannelForm.h"
34
35			#include "config.h"
36
37
38			// Kind of constructor.
39			void qsamplerChannelStrip::init (void)
40			{
41			// Initialize locals.
42	capela	264	m_pMainForm = NULL;
43			m_pChannel = NULL;
44	capela	109	m_iDirtyChange = 0;
45
46			// Try to restore normal window positioning.
47			adjustSize();
48			}
49
50
51			// Kind of destructor.
52			void qsamplerChannelStrip::destroy (void)
53			{
54	capela	264	// Destroy existing channel descriptor.
55			if (m_pChannel)
56			delete m_pChannel;
57			m_pChannel = NULL;
58	capela	109	}
59
60
61			// Channel strip setup formal initializer.
62			void qsamplerChannelStrip::setup ( qsamplerMainForm *pMainForm, int iChannelID )
63			{
64	capela	264	// Set main form reference.
65	capela	109	m_pMainForm = pMainForm;
66	capela	145
67	capela	264	// Destroy any previous channel descriptor.
68			if (m_pChannel)
69			delete m_pChannel;
70	capela	109
71	capela	264	// Create a new one...
72			m_pChannel = new qsamplerChannel(pMainForm);
73			// And set appropriate settings.
74	capela	295	if (m_pChannel && iChannelID >= 0) {
75	capela	264	m_pChannel->setChannelID(iChannelID);
76			m_iDirtyChange = 0;
77	capela	109	}
78	capela	265
79			// Stabilize this around.
80			updateChannelInfo();
81	capela	109	}
82
83	capela	264	// Channel secriptor accessor.
84			qsamplerChannel *qsamplerChannelStrip::channel (void)
85	capela	109	{
86	capela	264	return m_pChannel;
87	capela	109	}
88
89
90			// Messages view font accessors.
91			QFont qsamplerChannelStrip::displayFont (void)
92			{
93			return EngineNameTextLabel->font();
94			}
95
96			void qsamplerChannelStrip::setDisplayFont ( const QFont & font )
97			{
98			EngineNameTextLabel->setFont(font);
99	capela	145	MidiPortChannelTextLabel->setFont(font);
100	capela	109	InstrumentNameTextLabel->setFont(font);
101	capela	145	InstrumentStatusTextLabel->setFont(font);
102	capela	109	}
103
104	capela	263
105	capela	267	// Channel display background effect.
106			void qsamplerChannelStrip::setDisplayEffect ( bool bDisplayEffect )
107			{
108			QPixmap pm;
109			if (bDisplayEffect)
110			pm = QPixmap::fromMimeSource("displaybg1.png");
111			setDisplayBackground(pm);
112			}
113
114
115			// Update main display background pixmap.
116			void qsamplerChannelStrip::setDisplayBackground ( const QPixmap& pm )
117			{
118			// Set the main origin...
119			ChannelInfoFrame->setPaletteBackgroundPixmap(pm);
120
121			// Iterate for every child text label...
122			QObjectList *pList = ChannelInfoFrame->queryList("QLabel");
123			if (pList) {
124			for (QLabel pLabel = (QLabel ) pList->first(); pLabel; pLabel = (QLabel *) pList->next())
125			pLabel->setPaletteBackgroundPixmap(pm);
126			delete pList;
127			}
128
129			// And this standalone too.
130			StreamVoiceCountTextLabel->setPaletteBackgroundPixmap(pm);
131			}
132
133
134	capela	263	// Channel setup dialog slot.
135	capela	295	bool qsamplerChannelStrip::channelSetup (void)
136	capela	263	{
137	capela	295	bool bResult = false;
138	capela	263
139	capela	109	qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(this);
140			if (pChannelForm) {
141	capela	295	pChannelForm->setup(m_pChannel);
142			bResult = pChannelForm->exec();
143	capela	109	delete pChannelForm;
144			}
145	capela	295
146			if (bResult) {
147			updateChannelInfo();
148			emit channelChanged(this);
149			}
150
151			return bResult;
152	capela	109	}
153
154
155			// Update whole channel info state.
156			void qsamplerChannelStrip::updateChannelInfo (void)
157			{
158	capela	264	if (m_pChannel == NULL)
159			return;
160
161	capela	109	// Update strip caption.
162	capela	295	QString sText = m_pChannel->channelName();
163	capela	109	setCaption(sText);
164			ChannelSetupPushButton->setText(sText);
165
166			// Check if we're up and connected.
167	capela	264	if (m_pChannel->client() == NULL)
168	capela	109	return;
169
170	capela	264	// Read actual channel information.
171			m_pChannel->updateChannelInfo();
172	capela	109
173			// Set some proper display values.
174	capela	261	const QString sIndent = " ";
175	capela	109
176			// Engine name...
177	capela	264	if (m_pChannel->engineName().isEmpty())
178	capela	261	EngineNameTextLabel->setText(sIndent + tr("(No engine)"));
179	capela	109	else
180	capela	264	EngineNameTextLabel->setText(sIndent + m_pChannel->engineName());
181	capela	109
182			// Instrument name...
183	capela	264	if (m_pChannel->instrumentFile().isEmpty())
184	capela	261	InstrumentNameTextLabel->setText(sIndent + tr("(No instrument)"));
185	capela	109	else
186	capela	261	InstrumentNameTextLabel->setText(sIndent + QString("%1 [%2]")
187	capela	264	.arg(QFileInfo(m_pChannel->instrumentFile()).fileName()).arg(m_pChannel->instrumentNr()));
188	capela	109
189	capela	145	// Instrument status...
190	capela	264	int iInstrumentStatus = m_pChannel->instrumentStatus();
191			if (iInstrumentStatus < 0) {
192	capela	145	InstrumentStatusTextLabel->setPaletteForegroundColor(Qt::red);
193	capela	264	InstrumentStatusTextLabel->setText(tr("ERR%1").arg(iInstrumentStatus));
194	capela	145	} else {
195	capela	264	InstrumentStatusTextLabel->setPaletteForegroundColor(iInstrumentStatus < 100 ? Qt::yellow : Qt::green);
196			InstrumentStatusTextLabel->setText(QString::number(iInstrumentStatus) + "%");
197	capela	145	}
198
199	capela	109	// MIDI Port/Channel...
200	capela	280	if (m_pChannel->midiChannel() == LSCP_MIDI_CHANNEL_ALL)
201			MidiPortChannelTextLabel->setText(QString("%1 / *").arg(m_pChannel->midiPort()));
202	capela	261	else
203	capela	280	MidiPortChannelTextLabel->setText(QString("%1 / %2").arg(m_pChannel->midiPort()).arg(m_pChannel->midiChannel() + 1));
204	capela	261
205	capela	109	// And update the both GUI volume elements.
206			updateChannelVolume();
207			}
208
209
210			// Do the dirty volume change.
211			void qsamplerChannelStrip::updateChannelVolume (void)
212			{
213	capela	264	if (m_pChannel == NULL)
214			return;
215
216	capela	109	// Convert...
217			#ifdef CONFIG_ROUND
218	capela	264	int iVolume = (int) ::round(100.0 * m_pChannel->volume());
219	capela	109	#else
220			double fIPart = 0.0;
221	capela	264	double fFPart = ::modf(100.0 * m_pChannel->volume(), &fIPart);
222	capela	109	int iVolume = (int) fIPart;
223			if (fFPart >= +0.5)
224			iVolume++;
225			else
226			if (fFPart <= -0.5)
227			iVolume--;
228			#endif
229
230			// And clip...
231	capela	119	if (iVolume < 0)
232	capela	109	iVolume = 0;
233
234			// Flag it here, to avoid infinite recursion.
235			m_iDirtyChange++;
236			VolumeSlider->setValue(iVolume);
237			VolumeSpinBox->setValue(iVolume);
238			m_iDirtyChange--;
239			}
240
241
242			// Update whole channel usage state.
243			void qsamplerChannelStrip::updateChannelUsage (void)
244			{
245	capela	264	if (m_pChannel == NULL)
246	capela	109	return;
247	capela	264	if (m_pChannel->client() == NULL)
248			return;
249	capela	109
250	capela	145	// Conditionally update whole channel status info.
251	capela	264	if (m_pChannel->instrumentStatus() >= 0 && m_pChannel->instrumentStatus() < 100) {
252	capela	145	updateChannelInfo();
253	capela	176	// Once we get a complete instrument load, try a implied reset channel....
254	capela	264	if (m_pChannel->instrumentStatus() == 100)
255			m_pChannel->resetChannel();
256	capela	176	}
257	capela	152	// Leave, if we still have an erroneus or incomplete instrument load.
258	capela	264	if (m_pChannel->instrumentStatus() < 100)
259	capela	152	return;
260	capela	145
261	capela	109	// Get current channel voice count.
262	capela	264	int iVoiceCount = ::lscp_get_channel_voice_count(m_pChannel->client(), m_pChannel->channelID());
263	capela	109	// Get current stream count.
264	capela	264	int iStreamCount = ::lscp_get_channel_stream_count(m_pChannel->client(), m_pChannel->channelID());
265	capela	109	// Get current channel buffer fill usage.
266			// As benno has suggested this is the percentage usage
267			// of the least filled buffer stream...
268	capela	264	int iStreamUsage = ::lscp_get_channel_stream_usage(m_pChannel->client(), m_pChannel->channelID());;
269	capela	176
270	capela	109	// Update the GUI elements...
271			StreamUsageProgressBar->setProgress(iStreamUsage);
272			StreamVoiceCountTextLabel->setText(QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount));
273			}
274
275
276			// Volume change slot.
277			void qsamplerChannelStrip::volumeChanged ( int iVolume )
278			{
279	capela	264	if (m_pChannel == NULL)
280			return;
281
282	capela	109	// Avoid recursion.
283			if (m_iDirtyChange > 0)
284			return;
285
286			// Convert and clip.
287			float fVolume = (float) iVolume / 100.0;
288	capela	119	if (fVolume < 0.001)
289	capela	109	fVolume = 0.0;
290
291			// Update the GUI elements.
292	capela	264	if (m_pChannel->setVolume(fVolume)) {
293	capela	109	updateChannelVolume();
294			emit channelChanged(this);
295			}
296			}
297
298
299	capela	118	// Context menu event handler.
300			void qsamplerChannelStrip::contextMenuEvent( QContextMenuEvent *pEvent )
301			{
302	capela	264	if (m_pMainForm == NULL)
303			return;
304
305	capela	118	// We'll just show up the main form's edit menu.
306	capela	127	m_pMainForm->contextMenuEvent(pEvent);
307	capela	118	}
308
309
310	capela	119	// Maximum volume slider accessors.
311			void qsamplerChannelStrip::setMaxVolume ( int iMaxVolume )
312			{
313			m_iDirtyChange++;
314			VolumeSlider->setRange(0, iMaxVolume);
315			VolumeSpinBox->setRange(0, iMaxVolume);
316			m_iDirtyChange--;
317			}
318
319
320	capela	109	// end of qsamplerChannelStrip.ui.h