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#include "baside2.hxx"
#include "linenumberwindow.hxx"
#include <svtools/xtextedt.hxx>
#include <svtools/textview.hxx>
LineNumberWindow::LineNumberWindow( Window* pParent, ModulWindow* pModulWin ) :
Window( pParent, WB_BORDER ),
pModulWindow(pModulWin),
nWidth(1),
nCurYOffset(0)
{
SetBackground(Wallpaper(GetSettings().GetStyleSettings().GetFieldColor()));
}
LineNumberWindow::~LineNumberWindow() { }
void LineNumberWindow::Paint( const Rectangle& )
{
if(SyncYOffset())
return;
ExtTextEngine* txtEngine = pModulWindow->GetEditEngine();
if(!txtEngine)
return;
TextView* txtView = pModulWindow->GetEditView();
if(!txtView)
return;
GetParent()->Resize();
int windowHeight = GetOutputSize().Height();
int nLineHeight = GetTextHeight();
int startY = txtView->GetStartDocPos().Y();
int nStartLine = startY / nLineHeight + 1;
int nEndLine = (startY + windowHeight) / nLineHeight + 1;
if(txtEngine->GetParagraphCount() + 1 < nEndLine)
nEndLine = txtEngine->GetParagraphCount() + 1;
nWidth = String::CreateFromInt64(nEndLine).Len() * 10;
sal_Int64 y = (nStartLine - 1) * nLineHeight;
for(int i = nStartLine; i <= nEndLine; ++i, y += nLineHeight)
DrawText(Point(0, y - nCurYOffset), String::CreateFromInt64(i));
}
void LineNumberWindow::DataChanged(DataChangedEvent const & rDCEvt)
{
Window::DataChanged(rDCEvt);
if (rDCEvt.GetType() == DATACHANGED_SETTINGS
&& (rDCEvt.GetFlags() & SETTINGS_STYLE) != 0)
{
Color aColor(GetSettings().GetStyleSettings().GetFieldColor());
if (aColor != rDCEvt.GetOldSettings()->GetStyleSettings().GetFieldColor())
{
SetBackground(Wallpaper(aColor));
Invalidate();
}
}
}
void LineNumberWindow::DoScroll(long nHorzScroll, long nVertScroll)
{
nCurYOffset -= nVertScroll;
Window::Scroll(nHorzScroll, nVertScroll);
}
long& LineNumberWindow::GetCurYOffset()
{
return nCurYOffset;
}
bool LineNumberWindow::SyncYOffset()
{
TextView* pView = pModulWindow->GetEditView();
if (!pView)
return false;
long nViewYOffset = pView->GetStartDocPos().Y();
if (nCurYOffset == nViewYOffset)
return false;
nCurYOffset = nViewYOffset;
Invalidate();
return true;
}
int LineNumberWindow::GetWidth()
{
return (nWidth < 20 ? 20 : nWidth);
}
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