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first version of LED input level meter finished -> not yet ready, some work still has to be done

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This commit is contained in:
Volker Fischer 2009-05-01 14:00:53 +00:00
parent 3537e2fc6d
commit c9bb67ae14
7 changed files with 122 additions and 97 deletions
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4
src/audiomixerboard.cpp
View file

@ -107,9 +107,7 @@ CAudioMixerBoard::CAudioMixerBoard ( QWidget* parent, Qt::WindowFlags f ) : QFra
setFrameShadow ( QFrame::Sunken );
// add hboxlayout with horizontal spacer
// TODO is this ok this way? Don't we need the border 11 and space 0?
pMainLayout = new QHBoxLayout ( this );//, 11, 0 );
pMainLayout = new QHBoxLayout ( this );
pMainLayout->addItem ( new QSpacerItem ( 0, 0, QSizePolicy::Expanding ) );

5
src/global.h
View file

@ -96,6 +96,11 @@
#define MAX_NUMBER_SOUND_CARDS 10
#define INVALID_SNC_CARD_DEVICE -1
// defines for LED input level meter
#define NUM_STEPS_INP_LEV_METER 10
#define YELLOW_BOUND_INP_LEV_METER 7
#define RED_BOUND_INP_LEV_METER 9
// maximum number of internet connections (channels)
// if you want to change this paramter, there has to be done code modifications

27
src/llconclientdlg.cpp
View file

@ -36,11 +36,10 @@ CLlconClientDlg::CLlconClientDlg ( CClient* pNCliP, QWidget* parent,
// add help text to controls
QString strInpLevH = tr ( "<b>Input level meter:</b> Shows the level of the "
"input audio signal of the sound card. The level is in dB. Overload "
"should be avoided." );
"input audio signal of the sound card. Overload should be avoided." );
TextLabelInputLevel->setWhatsThis ( strInpLevH );
ProgressBarInputLevelL->setWhatsThis ( strInpLevH );
ProgressBarInputLevelR->setWhatsThis ( strInpLevH );
MultiColorLEDBarInputLevelL->setWhatsThis ( strInpLevH );
MultiColorLEDBarInputLevelR->setWhatsThis ( strInpLevH );
PushButtonConnect->setWhatsThis ( tr ( "<b>Connect / Disconnect Button:"
"</b> Push this button to connect the server. A valid IP address has "
@ -105,12 +104,8 @@ CLlconClientDlg::CLlconClientDlg ( CClient* pNCliP, QWidget* parent,
PushButtonConnect->setText ( CON_BUT_CONNECTTEXT );
// init input level meter bars
ProgressBarInputLevelL->setMinimum ( 0 );
ProgressBarInputLevelL->setMaximum ( NUM_STEPS_INP_LEV_METER );
ProgressBarInputLevelL->setValue ( 0 );
ProgressBarInputLevelR->setMinimum ( 0 );
ProgressBarInputLevelR->setMaximum ( NUM_STEPS_INP_LEV_METER );
ProgressBarInputLevelR->setValue ( 0 );
MultiColorLEDBarInputLevelL->setValue ( 0 );
MultiColorLEDBarInputLevelR->setValue ( 0 );
// init slider controls ---
@ -296,8 +291,8 @@ void CLlconClientDlg::OnConnectDisconBut()
// stop timer for level meter bars and reset them
TimerSigMet.stop();
ProgressBarInputLevelL->setValue ( 0 );
ProgressBarInputLevelR->setValue ( 0 );
MultiColorLEDBarInputLevelL->setValue ( 0 );
MultiColorLEDBarInputLevelR->setValue ( 0 );
// immediately update status bar
OnTimerStatus();
@ -353,8 +348,8 @@ void CLlconClientDlg::OnTimerSigMet()
double dCurSigLevelL = pClient->MicLevelL();
double dCurSigLevelR = pClient->MicLevelR();
/* linear transformation of the input level range to the progress-bar
range */
// linear transformation of the input level range to the progress-bar
// range
dCurSigLevelL -= LOW_BOUND_SIG_METER;
dCurSigLevelL *= NUM_STEPS_INP_LEV_METER /
( UPPER_BOUND_SIG_METER - LOW_BOUND_SIG_METER );
@ -376,8 +371,8 @@ void CLlconClientDlg::OnTimerSigMet()
}
// show current level
ProgressBarInputLevelL->setValue ( (int) ceil ( dCurSigLevelL ) );
ProgressBarInputLevelR->setValue ( (int) ceil ( dCurSigLevelR ) );
MultiColorLEDBarInputLevelL->setValue ( (int) ceil ( dCurSigLevelL ) );
MultiColorLEDBarInputLevelR->setValue ( (int) ceil ( dCurSigLevelR ) );
}
void CLlconClientDlg::UpdateDisplay()

3
src/llconclientdlg.h
View file

@ -51,9 +51,6 @@
#define CON_BUT_CONNECTTEXT "C&onnect"
#define CON_BUT_DISCONNECTTEXT "D&isconnect"
// steps for input level meter
#define NUM_STEPS_INP_LEV_METER 100
// update time for GUI controls
#define LEVELMETER_UPDATE_TIME 100 // ms
#define STATUSBAR_UPDATE_TIME 1000 // ms

80
src/llconclientdlgbase.ui
View file

@ -5,8 +5,8 @@
<rect>
<x>0</x>
<y>0</y>
<width>492</width>
<height>310</height>
<width>488</width>
<height>336</height>
</rect>
</property>
<property name="windowTitle" >
@ -28,21 +28,6 @@
<enum>QFrame::Raised</enum>
</property>
<layout class="QVBoxLayout" >
<property name="spacing" >
<number>6</number>
</property>
<property name="leftMargin" >
<number>9</number>
</property>
<property name="topMargin" >
<number>9</number>
</property>
<property name="rightMargin" >
<number>9</number>
</property>
<property name="bottomMargin" >
<number>9</number>
</property>
<item>
<widget class="QLabel" name="PixmapLabelCorrados" >
<property name="sizePolicy" >
@ -67,21 +52,6 @@
</item>
<item>
<layout class="QHBoxLayout" >
<property name="spacing" >
<number>6</number>
</property>
<property name="leftMargin" >
<number>0</number>
</property>
<property name="topMargin" >
<number>0</number>
</property>
<property name="rightMargin" >
<number>0</number>
</property>
<property name="bottomMargin" >
<number>0</number>
</property>
<item>
<layout class="QVBoxLayout" >
<property name="spacing" >
@ -136,49 +106,37 @@
<item>
<layout class="QVBoxLayout" >
<property name="spacing" >
<number>6</number>
</property>
<property name="leftMargin" >
<number>0</number>
</property>
<property name="topMargin" >
<number>0</number>
</property>
<property name="rightMargin" >
<number>0</number>
</property>
<property name="bottomMargin" >
<number>0</number>
</property>
<item>
<widget class="QProgressBar" name="ProgressBarInputLevelL" >
<widget class="CMultiColorLEDBar" native="1" name="MultiColorLEDBarInputLevelL" >
<property name="sizePolicy" >
<sizepolicy vsizetype="MinimumExpanding" hsizetype="Expanding" >
<sizepolicy vsizetype="Preferred" hsizetype="MinimumExpanding" >
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="value" >
<number>24</number>
</property>
<property name="orientation" >
<enum>Qt::Horizontal</enum>
<property name="minimumSize" >
<size>
<width>50</width>
<height>25</height>
</size>
</property>
</widget>
</item>
<item>
<widget class="QProgressBar" name="ProgressBarInputLevelR" >
<widget class="CMultiColorLEDBar" native="1" name="MultiColorLEDBarInputLevelR" >
<property name="sizePolicy" >
<sizepolicy vsizetype="MinimumExpanding" hsizetype="Expanding" >
<sizepolicy vsizetype="Preferred" hsizetype="MinimumExpanding" >
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="value" >
<number>24</number>
</property>
<property name="orientation" >
<enum>Qt::Horizontal</enum>
<property name="minimumSize" >
<size>
<width>50</width>
<height>25</height>
</size>
</property>
</widget>
</item>
@ -645,6 +603,12 @@ Fader</string>
<extends>QWidget</extends>
<header>audiomixerboard.h</header>
</customwidget>
<customwidget>
<class>CMultiColorLEDBar</class>
<extends>QWidget</extends>
<header>multicolorledbar.h</header>
<container>1</container>
</customwidget>
</customwidgets>
<tabstops>
<tabstop>LineEditServerAddr</tabstop>

77
src/multicolorledbar.cpp
View file

@ -31,14 +31,75 @@
/* Implementation *************************************************************/
CMultiColorLEDBar::CMultiColorLEDBar ( QWidget* parent, Qt::WindowFlags f )
: QLabel ( parent, f ),
BitmCubeRoundGrey ( QString::fromUtf8 ( ":/png/LEDs/res/VRLEDGreySmall.png" ) ),
BitmCubeRoundGreen ( QString::fromUtf8 ( ":/png/LEDs/res/VRLEDGreySmall.png" ) ),
BitmCubeRoundYellow ( QString::fromUtf8 ( ":/png/LEDs/res/VRLEDGreySmall.png" ) ),
BitmCubeRoundRed ( QString::fromUtf8 ( ":/png/LEDs/res/VRLEDGreySmall.png" ) ),
BitmCubeEdgeGrey ( QString::fromUtf8 ( ":/png/LEDs/res/VLEDGreySmall.png" ) ),
BitmCubeEdgeGreen ( QString::fromUtf8 ( ":/png/LEDs/res/VLEDGreySmall.png" ) ),
BitmCubeEdgeYellow ( QString::fromUtf8 ( ":/png/LEDs/res/VLEDGreySmall.png" ) ),
BitmCubeEdgeRed ( QString::fromUtf8 ( ":/png/LEDs/res/VLEDGreySmall.png" ) )
BitmCubeRoundGrey ( QString::fromUtf8 ( ":/png/LEDs/res/VLEDGreySmall.png" ) ),
BitmCubeRoundGreen ( QString::fromUtf8 ( ":/png/LEDs/res/VLEDGreenSmall.png" ) ),
BitmCubeRoundYellow ( QString::fromUtf8 ( ":/png/LEDs/res/VLEDYellowSmall.png" ) ),
BitmCubeRoundRed ( QString::fromUtf8 ( ":/png/LEDs/res/VLEDRedSmall.png" ) )
{
// set total number of LEDs
iNumLEDs = NUM_STEPS_INP_LEV_METER;
// create layout and set spacing to zero
pMainLayout = new QHBoxLayout ( this );
pMainLayout->setSpacing ( 0 );
// create LEDs
vecpLEDs.Init ( iNumLEDs );
for ( int i = 0; i < iNumLEDs; i++ )
{
// create LED label
vecpLEDs[i] = new QLabel ( "", parent );
// add LED to layout
pMainLayout->addWidget ( vecpLEDs[i] );
// set initial bitmap
vecpLEDs[i]->setPixmap ( BitmCubeRoundGrey );
// bitmap defines minimum size of the label
vecpLEDs[i]->setMinimumSize (
BitmCubeRoundGrey.width(), BitmCubeRoundGrey.height() );
}
}
void CMultiColorLEDBar::setValue ( const int value )
{
// TODO speed optimiation: only change bitmaps of LEDs which
// actually have to be changed
// use green LEDs for the range from 0 to the YELLOW_BOUND_INP_LEV_METER,
// yellow in the range YELLOW_BOUND_INP_LEV_METER to
// RED_BOUND_INP_LEV_METER and red for up to value and grey for the rest
for ( int i = 0; i < iNumLEDs; i++ )
{
if ( i < value )
{
// we are below current input level, check which color
// we should use (green, yellow or red)
if ( i < YELLOW_BOUND_INP_LEV_METER )
{
// green region
vecpLEDs[i]->setPixmap ( BitmCubeRoundGreen );
}
else
{
if ( i < RED_BOUND_INP_LEV_METER )
{
// yellow region
vecpLEDs[i]->setPixmap ( BitmCubeRoundYellow );
}
else
{
// red region
vecpLEDs[i]->setPixmap ( BitmCubeRoundRed );
}
}
}
else
{
// we are above current input level -> use grey LED
vecpLEDs[i]->setPixmap ( BitmCubeRoundGrey );
}
}
}

13
src/multicolorledbar.h
View file

@ -28,6 +28,8 @@
#include <qlabel.h>
#include <qpixmap.h>
#include <qtimer.h>
#include <qlayout.h>
#include "util.h"
#include "global.h"
@ -39,15 +41,18 @@ class CMultiColorLEDBar : public QLabel
public:
CMultiColorLEDBar ( QWidget* parent = 0, Qt::WindowFlags f = 0 );
void setValue ( const int value );
protected:
QPixmap BitmCubeRoundGrey;
QPixmap BitmCubeRoundGreen;
QPixmap BitmCubeRoundYellow;
QPixmap BitmCubeRoundRed;
QPixmap BitmCubeEdgeGrey;
QPixmap BitmCubeEdgeGreen;
QPixmap BitmCubeEdgeYellow;
QPixmap BitmCubeEdgeRed;
QHBoxLayout* pMainLayout;
int iNumLEDs;
CVector<QLabel*> vecpLEDs;
};
#endif // _MULTCOLORLEDBAR_H__FD6B49B5_87DF_48DD_E1606C2AC__INCLUDED_