kspread_handler.cpp

//
// TODO: insert copyright header
//
 
#include <tqpainter.h>
 
#include "kspread_view.h"
 
#include "kspread_handler.h"
 
#define KS_MIN_RECTSIZE 3
 
using namespace KSpread;
 
InsertHandler::InsertHandler( View* view, TQWidget* widget )
    : KoEventHandler( widget )
{
    m_view = view;
    m_started = false;
    m_clicked = false;
 
    widget->setCursor( crossCursor );
}
 
InsertHandler::~InsertHandler()
{
    ((TQWidget*)target())->setCursor( arrowCursor );
    m_view->resetInsertHandle();
}
 
bool InsertHandler::eventFilter( TQObject*, TQEvent* ev )
{
    if ( ev->type() == TQEvent::MouseButtonPress )
    {
    TQMouseEvent* e = (TQMouseEvent*)ev;
    
    m_geometryStart = e->pos();
    m_geometryEnd = e->pos();
    m_started = false;
    m_clicked = true;
    
    return true;
    }
    else if ( ev->type() == TQEvent::MouseMove )
    {
    if ( !m_clicked )
        return true;
    
    TQMouseEvent* e = (TQMouseEvent*)ev;
    
    TQPainter painter;
    painter.begin( (TQWidget*)target() );
    painter.setRasterOp( NotROP );
 
    TQPen pen;
    pen.setStyle( TQt::DashLine );
    painter.setPen( pen );
 
    if ( m_started )
        {
        int x = m_geometryStart.x();
        int y = m_geometryStart.y();
        if ( x > m_geometryEnd.x() )
        x = m_geometryEnd.x();
        if ( y > m_geometryEnd.y() )
        y = m_geometryEnd.y();
        int w = m_geometryEnd.x() - m_geometryStart.x();
        if ( w < 0 ) w *= -1;
        int h = m_geometryEnd.y() - m_geometryStart.y();
        if ( h < 0 ) h *= -1;
 
        if ( w < KS_MIN_RECTSIZE ) w = KS_MIN_RECTSIZE;
        if ( h < KS_MIN_RECTSIZE ) h = KS_MIN_RECTSIZE;
 
        painter.drawRect( x, y, w, h );
    }
    else
        m_started = true;
 
    m_geometryEnd = e->pos();
 
    int x = m_geometryStart.x();
    int y = m_geometryStart.y();
    if ( x > m_geometryEnd.x() )
        x = m_geometryEnd.x();
    if ( y > m_geometryEnd.y() )
        y = m_geometryEnd.y();
    int w = m_geometryEnd.x() - m_geometryStart.x();
    if ( w < 0 ) w *= -1;
    int h = m_geometryEnd.y() - m_geometryStart.y();
    if ( h < 0 ) h *= -1;
 
    if ( w < KS_MIN_RECTSIZE ) w = KS_MIN_RECTSIZE;
    if ( h < KS_MIN_RECTSIZE ) h = KS_MIN_RECTSIZE;
 
    painter.drawRect( x, y, w, h );
    painter.end();
 
    return true;
    }
    else if ( ev->type() == TQEvent::MouseButtonRelease )
    {
    TQMouseEvent* e = (TQMouseEvent*)ev;
    
    if ( !m_started )
        {
        delete this;
        return true;
    }
    
    m_geometryEnd = e->pos();
 
    int x = m_geometryStart.x();
    int y = m_geometryStart.y();
    if ( x > m_geometryEnd.x() )
        x = m_geometryEnd.x();
    if ( y > m_geometryEnd.y() )
        y = m_geometryEnd.y();
    int w = m_geometryEnd.x() - m_geometryStart.x();
    if ( w < 0 ) w *= -1;
    int h = m_geometryEnd.y() - m_geometryStart.y();
    if ( h < 0 ) h *= -1;
 
    if ( w < KS_MIN_RECTSIZE ) w = KS_MIN_RECTSIZE;
    if ( h < KS_MIN_RECTSIZE ) h = KS_MIN_RECTSIZE;
        
    TQPainter painter;
    painter.begin( (TQWidget*)target() );
 
    TQPen pen;
    pen.setStyle( TQt::DashLine );
    painter.setPen( pen );
 
    painter.setRasterOp( NotROP );
    painter.drawRect( x, y, w, h );
    painter.end();
 
    insertObject( TQRect( x, y, w, h)  );
 
    delete this;
    return true;
    }
    else if ( ev->type() == TQEvent::KeyPress )
    {
    TQKeyEvent* e = (TQKeyEvent*)ev;
    if ( e->key() != Key_Escape )
        return false;
    
    delete this;
    return true;
    }
 
    return false;
}
 
InsertPartHandler::InsertPartHandler( View* view, TQWidget* widget, const KoDocumentEntry& entry )
  : InsertHandler( view, widget ), m_entry( entry )
{
}
InsertPartHandler::~InsertPartHandler()
{
}
void InsertPartHandler::insertObject( TQRect r)
{
  m_view->insertChild( r, m_entry );
}
 
 
InsertChartHandler::InsertChartHandler( View* view, TQWidget* widget, const KoDocumentEntry& entry )
  : InsertHandler( view, widget ), m_entry( entry )
{
}
InsertChartHandler::~InsertChartHandler()
{
}
void InsertChartHandler::insertObject( TQRect r)
{
  m_view->insertChart( r, m_entry );
}
 
InsertPictureHandler::InsertPictureHandler( View* view, TQWidget* widget, const KURL &file )
  : InsertHandler( view, widget )
{
  m_file = file;
}
InsertPictureHandler::~InsertPictureHandler()
{
}
void InsertPictureHandler::insertObject( TQRect r)
{
  //m_view->insertPicture(/* r,*/ m_file );
}
 
#include "kspread_handler.moc"