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Diffstat (limited to 'examples/chart/setdataform.cpp')
| -rw-r--r-- | examples/chart/setdataform.cpp | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/examples/chart/setdataform.cpp b/examples/chart/setdataform.cpp new file mode 100644 index 0000000..9910541 --- /dev/null +++ b/examples/chart/setdataform.cpp @@ -0,0 +1,208 @@ +#include "setdataform.h" +#include "chartform.h" + +#include <qcolordialog.h> +#include <qcombobox.h> +#include <qlayout.h> +#include <qpixmap.h> +#include <qpushbutton.h> +#include <qtable.h> + +#include "images/pattern01.xpm" +#include "images/pattern02.xpm" +#include "images/pattern03.xpm" +#include "images/pattern04.xpm" +#include "images/pattern05.xpm" +#include "images/pattern06.xpm" +#include "images/pattern07.xpm" +#include "images/pattern08.xpm" +#include "images/pattern09.xpm" +#include "images/pattern10.xpm" +#include "images/pattern11.xpm" +#include "images/pattern12.xpm" +#include "images/pattern13.xpm" +#include "images/pattern14.xpm" + +const int MAX_PATTERNS = 14; + + +SetDataForm::SetDataForm( ElementVector *elements, int decimalPlaces, + QWidget* parent, const char* name, + bool modal, WFlags f ) + : QDialog( parent, name, modal, f ) + +{ + m_elements = elements; + m_decimalPlaces = decimalPlaces; + + setCaption( "Chart -- Set Data" ); + resize( 540, 440 ); + + tableButtonBox = new QVBoxLayout( this, 11, 6, "table button box layout" ); + + table = new QTable( this, "data table" ); + table->setNumCols( 5 ); + table->setNumRows( ChartForm::MAX_ELEMENTS ); + table->setColumnReadOnly( 1, TRUE ); + table->setColumnReadOnly( 2, TRUE ); + table->setColumnReadOnly( 4, TRUE ); + table->setColumnWidth( 0, 80 ); + table->setColumnWidth( 1, 60 ); // Columns 1 and 4 must be equal + table->setColumnWidth( 2, 60 ); + table->setColumnWidth( 3, 200 ); + table->setColumnWidth( 4, 60 ); + QHeader *th = table->horizontalHeader(); + th->setLabel( 0, "Value" ); + th->setLabel( 1, "Color" ); + th->setLabel( 2, "Pattern" ); + th->setLabel( 3, "Label" ); + th->setLabel( 4, "Color" ); + tableButtonBox->addWidget( table ); + + buttonBox = new QHBoxLayout( 0, 0, 6, "button box layout" ); + + colorPushButton = new QPushButton( this, "color button" ); + colorPushButton->setText( "&Color..." ); + colorPushButton->setEnabled( FALSE ); + buttonBox->addWidget( colorPushButton ); + + QSpacerItem *spacer = new QSpacerItem( 0, 0, QSizePolicy::Expanding, + QSizePolicy::Minimum ); + buttonBox->addItem( spacer ); + + okPushButton = new QPushButton( this, "ok button" ); + okPushButton->setText( "OK" ); + okPushButton->setDefault( TRUE ); + buttonBox->addWidget( okPushButton ); + + cancelPushButton = new QPushButton( this, "cancel button" ); + cancelPushButton->setText( "Cancel" ); + cancelPushButton->setAccel( Key_Escape ); + buttonBox->addWidget( cancelPushButton ); + + tableButtonBox->addLayout( buttonBox ); + + connect( table, SIGNAL( clicked(int,int,int,const QPoint&) ), + this, SLOT( setColor(int,int) ) ); + connect( table, SIGNAL( currentChanged(int,int) ), + this, SLOT( currentChanged(int,int) ) ); + connect( table, SIGNAL( valueChanged(int,int) ), + this, SLOT( valueChanged(int,int) ) ); + connect( colorPushButton, SIGNAL( clicked() ), this, SLOT( setColor() ) ); + connect( okPushButton, SIGNAL( clicked() ), this, SLOT( accept() ) ); + connect( cancelPushButton, SIGNAL( clicked() ), this, SLOT( reject() ) ); + + QPixmap patterns[MAX_PATTERNS]; + patterns[0] = QPixmap( pattern01 ); + patterns[1] = QPixmap( pattern02 ); + patterns[2] = QPixmap( pattern03 ); + patterns[3] = QPixmap( pattern04 ); + patterns[4] = QPixmap( pattern05 ); + patterns[5] = QPixmap( pattern06 ); + patterns[6] = QPixmap( pattern07 ); + patterns[7] = QPixmap( pattern08 ); + patterns[8] = QPixmap( pattern09 ); + patterns[9] = QPixmap( pattern10 ); + patterns[10] = QPixmap( pattern11 ); + patterns[11] = QPixmap( pattern12 ); + patterns[12] = QPixmap( pattern13 ); + patterns[13] = QPixmap( pattern14 ); + + QRect rect = table->cellRect( 0, 1 ); + QPixmap pix( rect.width(), rect.height() ); + + for ( int i = 0; i < ChartForm::MAX_ELEMENTS; ++i ) { + Element element = (*m_elements)[i]; + + if ( element.isValid() ) + table->setText( + i, 0, + QString( "%1" ).arg( element.value(), 0, 'f', + m_decimalPlaces ) ); + + QColor color = element.valueColor(); + pix.fill( color ); + table->setPixmap( i, 1, pix ); + table->setText( i, 1, color.name() ); + + QComboBox *combobox = new QComboBox; + for ( int j = 0; j < MAX_PATTERNS; ++j ) + combobox->insertItem( patterns[j] ); + combobox->setCurrentItem( element.valuePattern() - 1 ); + table->setCellWidget( i, 2, combobox ); + + table->setText( i, 3, element.label() ); + + color = element.labelColor(); + pix.fill( color ); + table->setPixmap( i, 4, pix ); + table->setText( i, 4, color.name() ); + } + +} + + +void SetDataForm::currentChanged( int, int col ) +{ + colorPushButton->setEnabled( col == 1 || col == 4 ); +} + + +void SetDataForm::valueChanged( int row, int col ) +{ + if ( col == 0 ) { + bool ok; + double d = table->text( row, col ).toDouble( &ok ); + if ( ok && d > EPSILON ) + table->setText( + row, col, QString( "%1" ).arg( + d, 0, 'f', m_decimalPlaces ) ); + else if ( !table->text( row, col ).isEmpty() ) + table->setText( row, col, table->text( row, col ) + "?" ); + } +} + + +void SetDataForm::setColor() +{ + setColor( table->currentRow(), table->currentColumn() ); + table->setFocus(); +} + + +void SetDataForm::setColor( int row, int col ) +{ + if ( !( col == 1 || col == 4 ) ) + return; + + QColor color = QColorDialog::getColor( + QColor( table->text( row, col ) ), + this, "color dialog" ); + if ( color.isValid() ) { + QPixmap pix = table->pixmap( row, col ); + pix.fill( color ); + table->setPixmap( row, col, pix ); + table->setText( row, col, color.name() ); + } +} + + +void SetDataForm::accept() +{ + bool ok; + for ( int i = 0; i < ChartForm::MAX_ELEMENTS; ++i ) { + Element &element = (*m_elements)[i]; + double d = table->text( i, 0 ).toDouble( &ok ); + if ( ok ) + element.setValue( d ); + else + element.setValue( Element::INVALID ); + element.setValueColor( QColor( table->text( i, 1 ) ) ); + element.setValuePattern( + ((QComboBox*)table->cellWidget( i, 2 ))->currentItem() + 1 ); + element.setLabel( table->text( i, 3 ) ); + element.setLabelColor( QColor( table->text( i, 4 ) ) ); + } + + QDialog::accept(); +} |