trunk/src/qsamplerChannelStrip.ui.h

// qsamplerChannelStrip.ui.h
//
// ui.h extension file, included from the uic-generated form implementation.
/****************************************************************************
   Copyright (C) 2004-2005, 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_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 ( qsamplerChannel *pChannel )
{
    // Destroy any previous channel descriptor;
    // (remember that once setup we own it!)
    if (m_pChannel)
        delete m_pChannel;

    // Set the new one...
    m_pChannel = pChannel;

    // 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 = m_pChannel->channelSetup(this);

    if (bResult)
        emit channelChanged(this);

    return bResult;
}


// Update whole channel info state.
bool qsamplerChannelStrip::updateChannelInfo (void)
{
    if (m_pChannel == NULL)
        return false;
        
    // 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 false;

    // 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 + qsamplerChannel::getInstrumentName(m_pChannel->instrumentFile(), 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.
    return updateChannelVolume();
}


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

    // 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--;
    
    return true;
}


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

    // Update whole channel status info,
    // if instrument load is still pending...
    if (m_pChannel->instrumentStatus() < 100) {
        updateChannelInfo();
        // Check (updated) status again...
        if (m_pChannel->instrumentStatus() < 100)
            return false;
        // Once we get a complete instrument load,
        // we'll try an implied channel reset...
        m_pChannel->resetChannel();
    }
    
    // Check again that we're clean.
    if (m_pChannel->instrumentStatus() < 100)
        return false;

    // 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));
    
    // We're clean.
    return true;
}


// 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_pChannel == NULL)
        return;
        
    // We'll just show up the main form's edit menu (thru qsamplerChannel).
    m_pChannel->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	capela	341	Copyright (C) 2004-2005, rncbc aka Rui Nuno Capela. All rights reserved.
6	capela	109
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_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	capela	303	void qsamplerChannelStrip::setup ( qsamplerChannel *pChannel )
62	capela	109	{
63	capela	303	// Destroy any previous channel descriptor;
64			// (remember that once setup we own it!)
65	capela	264	if (m_pChannel)
66			delete m_pChannel;
67	capela	109
68	capela	303	// Set the new one...
69			m_pChannel = pChannel;
70	capela	302
71	capela	265	// Stabilize this around.
72			updateChannelInfo();
73	capela	109	}
74
75	capela	264	// Channel secriptor accessor.
76			qsamplerChannel *qsamplerChannelStrip::channel (void)
77	capela	109	{
78	capela	264	return m_pChannel;
79	capela	109	}
80
81
82			// Messages view font accessors.
83			QFont qsamplerChannelStrip::displayFont (void)
84			{
85			return EngineNameTextLabel->font();
86			}
87
88			void qsamplerChannelStrip::setDisplayFont ( const QFont & font )
89			{
90			EngineNameTextLabel->setFont(font);
91	capela	145	MidiPortChannelTextLabel->setFont(font);
92	capela	109	InstrumentNameTextLabel->setFont(font);
93	capela	145	InstrumentStatusTextLabel->setFont(font);
94	capela	109	}
95
96	capela	263
97	capela	267	// Channel display background effect.
98			void qsamplerChannelStrip::setDisplayEffect ( bool bDisplayEffect )
99			{
100			QPixmap pm;
101			if (bDisplayEffect)
102			pm = QPixmap::fromMimeSource("displaybg1.png");
103			setDisplayBackground(pm);
104			}
105
106
107			// Update main display background pixmap.
108			void qsamplerChannelStrip::setDisplayBackground ( const QPixmap& pm )
109			{
110			// Set the main origin...
111			ChannelInfoFrame->setPaletteBackgroundPixmap(pm);
112
113			// Iterate for every child text label...
114			QObjectList *pList = ChannelInfoFrame->queryList("QLabel");
115			if (pList) {
116			for (QLabel pLabel = (QLabel ) pList->first(); pLabel; pLabel = (QLabel *) pList->next())
117			pLabel->setPaletteBackgroundPixmap(pm);
118			delete pList;
119			}
120
121			// And this standalone too.
122			StreamVoiceCountTextLabel->setPaletteBackgroundPixmap(pm);
123			}
124
125
126	capela	263	// Channel setup dialog slot.
127	capela	295	bool qsamplerChannelStrip::channelSetup (void)
128	capela	263	{
129	capela	303	bool bResult = m_pChannel->channelSetup(this);
130	capela	263
131	capela	296	if (bResult)
132	capela	295	emit channelChanged(this);
133
134			return bResult;
135	capela	109	}
136
137
138			// Update whole channel info state.
139	capela	297	bool qsamplerChannelStrip::updateChannelInfo (void)
140	capela	109	{
141	capela	264	if (m_pChannel == NULL)
142	capela	297	return false;
143	capela	264
144	capela	109	// Update strip caption.
145	capela	295	QString sText = m_pChannel->channelName();
146	capela	109	setCaption(sText);
147			ChannelSetupPushButton->setText(sText);
148
149			// Check if we're up and connected.
150	capela	264	if (m_pChannel->client() == NULL)
151	capela	297	return false;
152	capela	109
153	capela	264	// Read actual channel information.
154			m_pChannel->updateChannelInfo();
155	capela	109
156			// Set some proper display values.
157	capela	261	const QString sIndent = " ";
158	capela	109
159			// Engine name...
160	capela	264	if (m_pChannel->engineName().isEmpty())
161	capela	261	EngineNameTextLabel->setText(sIndent + tr("(No engine)"));
162	capela	109	else
163	capela	264	EngineNameTextLabel->setText(sIndent + m_pChannel->engineName());
164	capela	109
165			// Instrument name...
166	capela	264	if (m_pChannel->instrumentFile().isEmpty())
167	capela	261	InstrumentNameTextLabel->setText(sIndent + tr("(No instrument)"));
168	capela	109	else
169	capela	299	InstrumentNameTextLabel->setText(sIndent + qsamplerChannel::getInstrumentName(m_pChannel->instrumentFile(), m_pChannel->instrumentNr()));
170	capela	109
171	capela	145	// Instrument status...
172	capela	264	int iInstrumentStatus = m_pChannel->instrumentStatus();
173			if (iInstrumentStatus < 0) {
174	capela	145	InstrumentStatusTextLabel->setPaletteForegroundColor(Qt::red);
175	capela	264	InstrumentStatusTextLabel->setText(tr("ERR%1").arg(iInstrumentStatus));
176	capela	145	} else {
177	capela	264	InstrumentStatusTextLabel->setPaletteForegroundColor(iInstrumentStatus < 100 ? Qt::yellow : Qt::green);
178			InstrumentStatusTextLabel->setText(QString::number(iInstrumentStatus) + "%");
179	capela	145	}
180
181	capela	109	// MIDI Port/Channel...
182	capela	280	if (m_pChannel->midiChannel() == LSCP_MIDI_CHANNEL_ALL)
183			MidiPortChannelTextLabel->setText(QString("%1 / *").arg(m_pChannel->midiPort()));
184	capela	261	else
185	capela	280	MidiPortChannelTextLabel->setText(QString("%1 / %2").arg(m_pChannel->midiPort()).arg(m_pChannel->midiChannel() + 1));
186	capela	261
187	capela	109	// And update the both GUI volume elements.
188	capela	297	return updateChannelVolume();
189	capela	109	}
190
191
192			// Do the dirty volume change.
193	capela	297	bool qsamplerChannelStrip::updateChannelVolume (void)
194	capela	109	{
195	capela	264	if (m_pChannel == NULL)
196	capela	297	return false;
197	capela	264
198	capela	109	// Convert...
199			#ifdef CONFIG_ROUND
200	capela	264	int iVolume = (int) ::round(100.0 * m_pChannel->volume());
201	capela	109	#else
202			double fIPart = 0.0;
203	capela	264	double fFPart = ::modf(100.0 * m_pChannel->volume(), &fIPart);
204	capela	109	int iVolume = (int) fIPart;
205			if (fFPart >= +0.5)
206			iVolume++;
207			else
208			if (fFPart <= -0.5)
209			iVolume--;
210			#endif
211
212			// And clip...
213	capela	119	if (iVolume < 0)
214	capela	109	iVolume = 0;
215
216			// Flag it here, to avoid infinite recursion.
217			m_iDirtyChange++;
218			VolumeSlider->setValue(iVolume);
219			VolumeSpinBox->setValue(iVolume);
220			m_iDirtyChange--;
221	capela	297
222			return true;
223	capela	109	}
224
225
226			// Update whole channel usage state.
227	capela	297	bool qsamplerChannelStrip::updateChannelUsage (void)
228	capela	109	{
229	capela	264	if (m_pChannel == NULL)
230	capela	297	return false;
231	capela	264	if (m_pChannel->client() == NULL)
232	capela	297	return false;
233	capela	109
234	capela	302	// Update whole channel status info,
235			// if instrument load is still pending...
236			if (m_pChannel->instrumentStatus() < 100) {
237	capela	145	updateChannelInfo();
238	capela	302	// Check (updated) status again...
239			if (m_pChannel->instrumentStatus() < 100)
240			return false;
241			// Once we get a complete instrument load,
242			// we'll try an implied channel reset...
243			m_pChannel->resetChannel();
244	capela	176	}
245	capela	302
246			// Check again that we're clean.
247	capela	264	if (m_pChannel->instrumentStatus() < 100)
248	capela	297	return false;
249	capela	145
250	capela	109	// Get current channel voice count.
251	capela	264	int iVoiceCount = ::lscp_get_channel_voice_count(m_pChannel->client(), m_pChannel->channelID());
252	capela	109	// Get current stream count.
253	capela	264	int iStreamCount = ::lscp_get_channel_stream_count(m_pChannel->client(), m_pChannel->channelID());
254	capela	109	// Get current channel buffer fill usage.
255			// As benno has suggested this is the percentage usage
256			// of the least filled buffer stream...
257	capela	264	int iStreamUsage = ::lscp_get_channel_stream_usage(m_pChannel->client(), m_pChannel->channelID());;
258	capela	176
259	capela	109	// Update the GUI elements...
260			StreamUsageProgressBar->setProgress(iStreamUsage);
261			StreamVoiceCountTextLabel->setText(QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount));
262	capela	297
263			// We're clean.
264			return true;
265	capela	109	}
266
267
268			// Volume change slot.
269			void qsamplerChannelStrip::volumeChanged ( int iVolume )
270			{
271	capela	264	if (m_pChannel == NULL)
272			return;
273
274	capela	109	// Avoid recursion.
275			if (m_iDirtyChange > 0)
276			return;
277
278			// Convert and clip.
279			float fVolume = (float) iVolume / 100.0;
280	capela	119	if (fVolume < 0.001)
281	capela	109	fVolume = 0.0;
282
283			// Update the GUI elements.
284	capela	264	if (m_pChannel->setVolume(fVolume)) {
285	capela	109	updateChannelVolume();
286			emit channelChanged(this);
287			}
288			}
289
290
291	capela	118	// Context menu event handler.
292			void qsamplerChannelStrip::contextMenuEvent( QContextMenuEvent *pEvent )
293			{
294	capela	303	if (m_pChannel == NULL)
295	capela	264	return;
296
297	capela	303	// We'll just show up the main form's edit menu (thru qsamplerChannel).
298			m_pChannel->contextMenuEvent(pEvent);
299	capela	118	}
300
301
302	capela	119	// Maximum volume slider accessors.
303			void qsamplerChannelStrip::setMaxVolume ( int iMaxVolume )
304			{
305			m_iDirtyChange++;
306			VolumeSlider->setRange(0, iMaxVolume);
307			VolumeSpinBox->setRange(0, iMaxVolume);
308			m_iDirtyChange--;
309			}
310
311
312	capela	109	// end of qsamplerChannelStrip.ui.h