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Implemented smart detection of character format (to be used for next text type) depending on last arrow key usage

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This commit is contained in:
cmanske%netscape.com 1998-07-27 15:45:27 +00:00
parent 79a8c1d47f
commit 5745def7d6
1 changed files with 35 additions and 7 deletions
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42
lib/layout/edtbuf.cpp
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@ -2863,6 +2863,23 @@ EDT_ClipboardResult CEditBuffer::DeleteChar(XP_Bool bForward, XP_Bool bTyping)
}
}
}
// After deleting at a boundary between elements,
// caret is always at the end of the current element
// Check for this and move to the beginning of next element
// and set flag to use format of this element
// Note that testing for bForward means Backspace key will
/// always use format of element to the left.
// TODO: Is that the correct thing to to?
CEditElement *pNext = m_pCurrent->GetNextSibling();
m_bUseCurrentTextFormat = ( bForward && m_pCurrent && m_pCurrent->IsText() &&
(m_iCurrentOffset == m_pCurrent->Text()->GetLen()) &&
pNext && pNext->IsText() &&
pNext->Text()->GetLen() > 0 ) ? TRUE : FALSE;
if( m_bUseCurrentTextFormat )
{
// We need to move insert point so m_pCurrent = pNext;
SetInsertPoint(pNext->Leaf(), 0, m_bCurrentStickyAfter);
}
}
return result;
}
@ -3172,16 +3189,15 @@ void CEditBuffer::NavigateChunk( XP_Bool bSelect, intn chunkType, XP_Bool bForwa
else {
VALIDATE_TREE(this);
ClearPhantomInsertPoint();
m_bUseCurrentTextFormat = FALSE;
ClearMove(); /* Arrow keys clear the up/down target position */
BeginSelection();
LO_NavigateChunk( m_pContext, chunkType, bSelect, bForward );
EndSelection();
DoneTyping();
if( !bForward && m_pCurrent && m_pCurrent->IsText() && m_iCurrentOffset == 0 )
{
m_bUseCurrentTextFormat = TRUE;
}
// If moving from right to left with arrow or Home,
// then set flag to use format to the right of caret upon next text insert
m_bUseCurrentTextFormat = (!bForward && m_pCurrent && m_pCurrent->IsText()
&& m_iCurrentOffset == 0) ? TRUE : FALSE;
}
}
@ -4947,10 +4963,17 @@ void CEditBuffer::SetHREF( char *pHref, char *pExtra ){
// Use this only when setting one attribute at a time
// Always make Superscript and Subscript mutually exclusive - very tricky!
void CEditBuffer::FormatCharacter( ED_TextFormat tf ){
void CEditBuffer::FormatCharacter( ED_TextFormat tf )
{
VALIDATE_TREE(this);
CEditSelection selection;
GetSelection(selection);
// If user is setting the format, then they
// will always want to use it instead of the
// element to the right of the caret
m_bUseCurrentTextFormat = FALSE;
if ( selection.IsContainerEnd() )
return;
@ -5172,6 +5195,11 @@ void CEditBuffer::SetCharacterData( EDT_CharacterData *pData )
VALIDATE_TREE(this);
CEditSelection selection;
GetSelection(selection);
// We are setting data at caret, so clear flag
// to use style to the right of caret
m_bUseCurrentTextFormat = FALSE;
if ( selection.IsContainerEnd() )
return;
else if( selection.AnyLeavesSelected() ){
@ -5273,6 +5301,7 @@ void CEditBuffer::SetCharacterDataAtOffset( EDT_CharacterData *pData,
CEditSelection sel = PersistentToEphemeral( perSel );
SetCharacterDataSelection( pData, sel, TRUE );
m_bUseCurrentTextFormat = FALSE;
}
void CEditBuffer::SetRefresh( XP_Bool bRefreshOn ){
@ -11074,7 +11103,6 @@ void CEditBuffer::StartSelection( int32 x, int32 y, XP_Bool doubleClick ){
LO_Click( m_pContext, x, y, FALSE );
#endif /* LAYERS */
}
CEditElement *pPrev;
// If we set caret at beginning of a text element,
// use its formating with next text typed
m_bUseCurrentTextFormat = (m_pCurrent && m_pCurrent->IsText() && m_iCurrentOffset == 0 ) ? TRUE : FALSE;