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;
    }
    
    // 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 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	capela	265
78			// Stabilize this around.
79			updateChannelInfo();
80	capela	109	}
81
82	capela	264	// Channel secriptor accessor.
83			qsamplerChannel *qsamplerChannelStrip::channel (void)
84	capela	109	{
85	capela	264	return m_pChannel;
86	capela	109	}
87
88
89			// Messages view font accessors.
90			QFont qsamplerChannelStrip::displayFont (void)
91			{
92			return EngineNameTextLabel->font();
93			}
94
95			void qsamplerChannelStrip::setDisplayFont ( const QFont & font )
96			{
97			EngineNameTextLabel->setFont(font);
98	capela	145	MidiPortChannelTextLabel->setFont(font);
99	capela	109	InstrumentNameTextLabel->setFont(font);
100	capela	145	InstrumentStatusTextLabel->setFont(font);
101	capela	109	}
102
103	capela	263
104			// Channel setup dialog slot.
105			void qsamplerChannelStrip::channelSetup (void)
106			{
107			showChannelSetup(false);
108			}
109
110
111	capela	109	// Channel setup dialog.
112	capela	263	void qsamplerChannelStrip::showChannelSetup ( bool bNew )
113	capela	109	{
114			qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(this);
115			if (pChannelForm) {
116	capela	264	pChannelForm->setup(m_pChannel, bNew);
117	capela	109	if (pChannelForm->exec()) {
118			updateChannelInfo();
119			emit channelChanged(this);
120			}
121			delete pChannelForm;
122			}
123			}
124
125
126			// Update whole channel info state.
127			void qsamplerChannelStrip::updateChannelInfo (void)
128			{
129	capela	264	if (m_pChannel == NULL)
130			return;
131
132	capela	109	// Update strip caption.
133	capela	264	QString sText = tr("Channel %1").arg(m_pChannel->channelID());
134	capela	109	setCaption(sText);
135			ChannelSetupPushButton->setText(sText);
136
137			// Check if we're up and connected.
138	capela	264	if (m_pChannel->client() == NULL)
139	capela	109	return;
140
141	capela	264	// Read actual channel information.
142			m_pChannel->updateChannelInfo();
143	capela	109
144			// Set some proper display values.
145	capela	261	const QString sIndent = " ";
146	capela	109
147			// Engine name...
148	capela	264	if (m_pChannel->engineName().isEmpty())
149	capela	261	EngineNameTextLabel->setText(sIndent + tr("(No engine)"));
150	capela	109	else
151	capela	264	EngineNameTextLabel->setText(sIndent + m_pChannel->engineName());
152	capela	109
153			// Instrument name...
154	capela	264	if (m_pChannel->instrumentFile().isEmpty())
155	capela	261	InstrumentNameTextLabel->setText(sIndent + tr("(No instrument)"));
156	capela	109	else
157	capela	261	InstrumentNameTextLabel->setText(sIndent + QString("%1 [%2]")
158	capela	264	.arg(QFileInfo(m_pChannel->instrumentFile()).fileName()).arg(m_pChannel->instrumentNr()));
159	capela	109
160	capela	145	// Instrument status...
161	capela	264	int iInstrumentStatus = m_pChannel->instrumentStatus();
162			if (iInstrumentStatus < 0) {
163	capela	145	InstrumentStatusTextLabel->setPaletteForegroundColor(Qt::red);
164	capela	264	InstrumentStatusTextLabel->setText(tr("ERR%1").arg(iInstrumentStatus));
165	capela	145	} else {
166	capela	264	InstrumentStatusTextLabel->setPaletteForegroundColor(iInstrumentStatus < 100 ? Qt::yellow : Qt::green);
167			InstrumentStatusTextLabel->setText(QString::number(iInstrumentStatus) + "%");
168	capela	145	}
169
170	capela	109	// MIDI Port/Channel...
171	capela	264	if (m_pChannel->midiChannel() > 0)
172			MidiPortChannelTextLabel->setText(QString("%1 / %2").arg(m_pChannel->midiPort()).arg(m_pChannel->midiChannel()));
173	capela	261	else
174	capela	264	MidiPortChannelTextLabel->setText(QString("%1 / *").arg(m_pChannel->midiPort()));
175	capela	261
176	capela	109	// And update the both GUI volume elements.
177			updateChannelVolume();
178			}
179
180
181			// Do the dirty volume change.
182			void qsamplerChannelStrip::updateChannelVolume (void)
183			{
184	capela	264	if (m_pChannel == NULL)
185			return;
186
187	capela	109	// Convert...
188			#ifdef CONFIG_ROUND
189	capela	264	int iVolume = (int) ::round(100.0 * m_pChannel->volume());
190	capela	109	#else
191			double fIPart = 0.0;
192	capela	264	double fFPart = ::modf(100.0 * m_pChannel->volume(), &fIPart);
193	capela	109	int iVolume = (int) fIPart;
194			if (fFPart >= +0.5)
195			iVolume++;
196			else
197			if (fFPart <= -0.5)
198			iVolume--;
199			#endif
200
201			// And clip...
202	capela	119	if (iVolume < 0)
203	capela	109	iVolume = 0;
204
205			// Flag it here, to avoid infinite recursion.
206			m_iDirtyChange++;
207			VolumeSlider->setValue(iVolume);
208			VolumeSpinBox->setValue(iVolume);
209			m_iDirtyChange--;
210			}
211
212
213			// Update whole channel usage state.
214			void qsamplerChannelStrip::updateChannelUsage (void)
215			{
216	capela	264	if (m_pChannel == NULL)
217	capela	109	return;
218	capela	264	if (m_pChannel->client() == NULL)
219			return;
220	capela	109
221	capela	145	// Conditionally update whole channel status info.
222	capela	264	if (m_pChannel->instrumentStatus() >= 0 && m_pChannel->instrumentStatus() < 100) {
223	capela	145	updateChannelInfo();
224	capela	176	// Once we get a complete instrument load, try a implied reset channel....
225	capela	264	if (m_pChannel->instrumentStatus() == 100)
226			m_pChannel->resetChannel();
227	capela	176	}
228	capela	152	// Leave, if we still have an erroneus or incomplete instrument load.
229	capela	264	if (m_pChannel->instrumentStatus() < 100)
230	capela	152	return;
231	capela	145
232	capela	109	// Get current channel voice count.
233	capela	264	int iVoiceCount = ::lscp_get_channel_voice_count(m_pChannel->client(), m_pChannel->channelID());
234	capela	109	// Get current stream count.
235	capela	264	int iStreamCount = ::lscp_get_channel_stream_count(m_pChannel->client(), m_pChannel->channelID());
236	capela	109	// Get current channel buffer fill usage.
237			// As benno has suggested this is the percentage usage
238			// of the least filled buffer stream...
239	capela	264	int iStreamUsage = ::lscp_get_channel_stream_usage(m_pChannel->client(), m_pChannel->channelID());;
240	capela	176
241	capela	109	// Update the GUI elements...
242			StreamUsageProgressBar->setProgress(iStreamUsage);
243			StreamVoiceCountTextLabel->setText(QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount));
244			}
245
246
247			// Volume change slot.
248			void qsamplerChannelStrip::volumeChanged ( int iVolume )
249			{
250	capela	264	if (m_pChannel == NULL)
251			return;
252
253	capela	109	// Avoid recursion.
254			if (m_iDirtyChange > 0)
255			return;
256
257			// Convert and clip.
258			float fVolume = (float) iVolume / 100.0;
259	capela	119	if (fVolume < 0.001)
260	capela	109	fVolume = 0.0;
261
262			// Update the GUI elements.
263	capela	264	if (m_pChannel->setVolume(fVolume)) {
264	capela	109	updateChannelVolume();
265			emit channelChanged(this);
266			}
267			}
268
269
270	capela	118	// Context menu event handler.
271			void qsamplerChannelStrip::contextMenuEvent( QContextMenuEvent *pEvent )
272			{
273	capela	264	if (m_pMainForm == NULL)
274			return;
275
276	capela	118	// We'll just show up the main form's edit menu.
277	capela	127	m_pMainForm->contextMenuEvent(pEvent);
278	capela	118	}
279
280
281	capela	119	// Maximum volume slider accessors.
282			void qsamplerChannelStrip::setMaxVolume ( int iMaxVolume )
283			{
284			m_iDirtyChange++;
285			VolumeSlider->setRange(0, iMaxVolume);
286			VolumeSpinBox->setRange(0, iMaxVolume);
287			m_iDirtyChange--;
288			}
289
290
291	capela	109	// end of qsamplerChannelStrip.ui.h