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GSOC work, fix the clipped listbox

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Listbox clipping works correcly on the right side and on the bottom.
The function calculations are done from the initial position: if the actual X/Y coordinate + width/height exceeds the visible area, listbox is poitioned up/a bit left.

Change-Id: I17ff28cd23423819b55d7079c6d35484b567899c
This commit is contained in:
Gergo Mocsi
2013-08-23 11:38:03 +02:00
parent e7e667fd36
commit 7f9597903f
1 changed files with 26 additions and 33 deletions
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59
basctl/source/basicide/baside2b.cxx
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@@ -2647,21 +2647,19 @@ void CodeCompleteListBox::InsertSelectedEntry()
if( !aFuncBuffer.toString().isEmpty() )
{
// if the user typed in something: remove, and insert
//TextPaM aEnd( GetParentEditView()->CursorEndOfLine(pCodeCompleteWindow->GetTextSelection().GetEnd()) );
//GetParentEditView()->SetSelection(TextSelection(pCodeCompleteWindow->GetTextSelection().GetStart(), aEnd ) );
GetParentEditView()->SetSelection( pCodeCompleteWindow->pParent->GetLastHighlightPortionTextSelection() );
GetParentEditView()->DeleteSelected();
if( !((OUString) GetEntry( GetSelectEntryPos() )).isEmpty() )
{//if the user selected something
GetParentEditView()->InsertText( (OUString) GetEntry(GetSelectEntryPos()), sal_True );
GetParentEditView()->InsertText( (OUString) GetEntry(GetSelectEntryPos()), sal_False );
}
}
else
{
if( !((OUString) GetEntry( GetSelectEntryPos() )).isEmpty() )
{//if the user selected something
GetParentEditView()->InsertText( (OUString) GetEntry(GetSelectEntryPos()), sal_True );
GetParentEditView()->InsertText( (OUString) GetEntry(GetSelectEntryPos()), sal_False );
}
}
HideAndRestoreFocus();
@@ -2701,8 +2699,7 @@ void CodeCompleteListBox::KeyInput( const KeyEvent& rKeyEvt )
TextSelection aTextSelection( GetParentEditView()->GetSelection() );
if( aTextSelection.GetEnd().GetPara() != pCodeCompleteWindow->GetTextSelection().GetEnd().GetPara()-1 )
{
pCodeCompleteWindow->Hide();
pCodeCompleteWindow->pParent->GrabFocus();
HideAndRestoreFocus();
}
break;
}
@@ -2711,8 +2708,7 @@ void CodeCompleteListBox::KeyInput( const KeyEvent& rKeyEvt )
TextSelection aTextSelection( GetParentEditView()->GetSelection() );
if( aTextSelection.GetStart().GetIndex()-1 < pCodeCompleteWindow->GetTextSelection().GetStart().GetIndex() )
{//leave the cursor where it is
pCodeCompleteWindow->Hide();
pCodeCompleteWindow->pParent->GrabFocus();
HideAndRestoreFocus();
}
break;
}
@@ -2847,33 +2843,30 @@ void CodeCompleteWindow::ResizeListBox()
// get column/line count
const sal_uInt16& nColumns = aLongestEntry.getLength();
const sal_uInt16& nLines = std::min( (sal_uInt16) 6, pListBox->GetEntryCount() );
const Font& aFont = pListBox->GetFont();// listbox's font: height is needed
const Rectangle aVisArea( pParent->GetEditView()->GetStartDocPos(), pParent->GetOutputSizePixel() );
Size aSize = pListBox->GetOptimalSize();// this sets the correct width
aSize.setHeight( pListBox->CalcSize( nColumns, nLines ).getHeight() );// correct height
const Point& aBottomPoint = aVisArea.BottomRight();
const Point& aTopPoint = aVisArea.TopRight();
const long& nYDiff = aBottomPoint.Y() - aTopPoint.Y() - aPos.Y();
if( (nYDiff + aFont.GetHeight()) < aSize.Height() )
{//bottom part is clipped, fix the visibility by placing it over the line (not under)
const Font& aParFont = pParent->GetEditEngine()->GetFont();//parent's font (in the IDE): needed for height
aPos.Y() -= aSize.Height() + aParFont.GetHeight() + nCursorPad;
}
const long& nXDiff = aBottomPoint.X() - aPos.X();
if( nXDiff < aSize.Width() )
{//clipped at the right side, move it a bit left
aPos.X() -= aSize.Width();
}
pListBox->SetSizePixel( aSize );
aSize.setWidth( aSize.getWidth() + 1 );
aSize.setHeight( aSize.getHeight() + 1 );
// set the size and the position of the window
Size aSize = pListBox->CalcSize( nColumns, nLines );
//set the size
SetSizePixel( aSize );
//1 px smaller, to see the border
aSize.setWidth( aSize.getWidth() - 1 );
aSize.setHeight( aSize.getHeight() - 1 );
pListBox->SetSizePixel( aSize );
//calculate position
const Rectangle aVisArea( pParent->GetEditView()->GetStartDocPos(), pParent->GetOutputSizePixel() );//the visible area
const Point& aBottomPoint = aVisArea.BottomRight();
if( aVisArea.TopRight().getY() + aPos.getY() + aSize.getHeight() > aBottomPoint.getY() )
{//clipped at the bottom: move it up
const long& nParentFontHeight = pParent->GetEditEngine()->GetFont().GetHeight();//parent's font (in the IDE): needed for height
aPos.Y() -= aSize.getHeight() + nParentFontHeight + nCursorPad;
}
if( aVisArea.BottomLeft().getX() + aPos.getX() + aSize.getWidth() > aBottomPoint.getX() )
{//clipped at the right side, move it a bit left
aPos.X() -= aSize.getWidth();
}
//set the position
SetPosPixel( aPos );
}
}