Ejemplo n.º 1
0
void AStylePart::setCursorPos( KParts::Part *part, uint line, uint col )
{
	if (!part || !part->inherits("KTextEditor::Document")) return;

	KTextEditor::ViewCursorInterface *iface = dynamic_cast<KTextEditor::ViewCursorInterface*>(part->widget());
	if (iface)
	{
		iface->setCursorPositionReal( line, col );
	}
}
Ejemplo n.º 2
0
/**
 * Moves the cursor to a given position.
 * @param	nLine	The cursor's new line number
 * @param	nCol	The cursor's new column number
 * @return	true if successful, false otherwise (cursor interface was not
 *			obtained)
 */
bool EditorPage::setCursorPos(uint nLine, uint nCol)
{
	Kate::View* pKateView;
	KTextEditor::ViewCursorInterface* pCursorIf;
	
	// Cannot accept line 0
	if (nLine == 0)
		return false;
	
	// Adjust to 0-based counting
	nLine--;
	nCol--;
		
	// Acquire the view cursor
	pCursorIf = dynamic_cast<KTextEditor::ViewCursorInterface*>(m_pView);
	if (pCursorIf == NULL)
		return false;
	
	// NOTE: The following code is a fix to a bug in Kate, which wrongly
	// calculates the column number in setCursorPosition.
	pKateView = dynamic_cast<Kate::View*>(m_pView);
	if (pKateView != NULL) {
		KTextEditor::EditInterface* pEditIf;
		const char* szLine;
		uint nRealCol;
		uint nTabAdjust;
		
		// Get a pointer to the edit interface
		pEditIf = dynamic_cast<KTextEditor::EditInterface*>(m_pDoc);
		if (!pEditIf)
			return false;
		
		nRealCol = 0;
		
		// Check for out of bound line numbers
		if (nLine < pEditIf->numLines()) {
			// Get the contents of the requested line
			szLine = pEditIf->textLine(nLine).latin1();
			
			// Check for empty line
			if (szLine != NULL) {
				// The number of columns which a tab character adds
				nTabAdjust = pKateView->tabWidth() - 1;
				
				// Calculate the real column, based on the tab width
				for (; nRealCol < nCol && szLine[nRealCol] != 0; nRealCol++) {
					if (szLine[nRealCol] == '\t')
						nCol -= nTabAdjust;
				}
			}
		}
		else {
			// Marker set beyond end of file, move to the last line
			nLine = pEditIf->numLines() - 1;
		}
		// Set the cursor position
		pCursorIf->setCursorPositionReal(nLine, nRealCol);
	}
	else {
		// Non-Kate editors: set the cursor position normally
		pCursorIf->setCursorPosition(nLine, nCol);
	}
	
	return true;
}