void CodeEditorComponent::scrollToKeepLinesOnScreen (Range<int> rangeToShow)
{
if (rangeToShow.getStart() < firstLineOnScreen)
scrollBy (rangeToShow.getStart() - firstLineOnScreen);
else if (rangeToShow.getEnd() >= firstLineOnScreen + linesOnScreen)
scrollBy (rangeToShow.getEnd() - (firstLineOnScreen + linesOnScreen - 1));
}
void ScrollWidget::wheelEvent(QGraphicsSceneWheelEvent *event)
{
if (event->delta() < 0) {
scrollBy (0, -10);
} else {
scrollBy (0, 10);
}
event->accept();
}
void CodeEditorComponent::scrollToKeepCaretOnScreen()
{
if (caretPos.getLineNumber() < firstLineOnScreen)
scrollBy (caretPos.getLineNumber() - firstLineOnScreen);
else if (caretPos.getLineNumber() >= firstLineOnScreen + linesOnScreen)
scrollBy (caretPos.getLineNumber() - (firstLineOnScreen + linesOnScreen - 1));
const int column = indexToColumn (caretPos.getLineNumber(), caretPos.getIndexInLine());
if (column >= xOffset + columnsOnScreen - 1)
scrollToColumn (column + 1 - columnsOnScreen);
else if (column < xOffset)
scrollToColumn (column);
}
void TerminalBuffer::insertLf(void) {
if (m_cursorY == m_scrollBottom) {
scrollBy(1);
} else {
m_cursorY++;
}
}
bool CodeEditorComponent::pageUp (const bool selecting)
{
newTransaction();
scrollBy (-linesOnScreen);
moveLineDelta (-linesOnScreen, selecting);
return true;
}
bool CodeEditorComponent::pageDown (const bool selecting)
{
newTransaction();
scrollBy (jlimit (0, linesOnScreen, 1 + document.getNumLines() - firstLineOnScreen - linesOnScreen));
moveLineDelta (linesOnScreen, selecting);
return true;
}
void CodeEditorComponent::pageDown (const bool selecting)
{
newTransaction();
scrollBy (jlimit (0, linesOnScreen, 1 + document.getNumLines() - firstLineOnScreen - linesOnScreen));
moveCaretTo (caretPos.movedByLines (linesOnScreen), selecting);
}
bool QScrollView::qt_invoke( int _id, QUObject* _o )
{
switch ( _id - staticMetaObject()->slotOffset() ) {
case 0: resizeContents((int)static_QUType_int.get(_o+1),(int)static_QUType_int.get(_o+2)); break;
case 1: scrollBy((int)static_QUType_int.get(_o+1),(int)static_QUType_int.get(_o+2)); break;
case 2: setContentsPos((int)static_QUType_int.get(_o+1),(int)static_QUType_int.get(_o+2)); break;
case 3: ensureVisible((int)static_QUType_int.get(_o+1),(int)static_QUType_int.get(_o+2)); break;
case 4: ensureVisible((int)static_QUType_int.get(_o+1),(int)static_QUType_int.get(_o+2),(int)static_QUType_int.get(_o+3),(int)static_QUType_int.get(_o+4)); break;
case 5: center((int)static_QUType_int.get(_o+1),(int)static_QUType_int.get(_o+2)); break;
case 6: center((int)static_QUType_int.get(_o+1),(int)static_QUType_int.get(_o+2),(float)(*((float*)static_QUType_ptr.get(_o+3))),(float)(*((float*)static_QUType_ptr.get(_o+4)))); break;
case 7: updateScrollBars(); break;
case 8: setEnabled((bool)static_QUType_bool.get(_o+1)); break;
case 9: hslide((int)static_QUType_int.get(_o+1)); break;
case 10: vslide((int)static_QUType_int.get(_o+1)); break;
case 11: hbarIsPressed(); break;
case 12: hbarIsReleased(); break;
case 13: vbarIsPressed(); break;
case 14: vbarIsReleased(); break;
case 15: doDragAutoScroll(); break;
case 16: startDragAutoScroll(); break;
case 17: stopDragAutoScroll(); break;
default:
return QFrame::qt_invoke( _id, _o );
}
return TRUE;
}
void CodeEditorComponent::pageUp (const bool selecting)
{
newTransaction();
scrollBy (-linesOnScreen);
moveCaretTo (caretPos.movedByLines (-linesOnScreen), selecting);
}
void CodeEditorComponent::scrollDown()
{
newTransaction();
scrollBy (-1);
if (caretPos.getLineNumber() >= firstLineOnScreen + linesOnScreen)
moveCaretTo (caretPos.movedByLines (-1), false);
}
bool CodeEditorComponent::scrollDown()
{
newTransaction();
scrollBy (-1);
if (caretPos.getLineNumber() >= firstLineOnScreen + linesOnScreen)
moveLineDelta (-1, false);
return true;
}
bool CodeEditorComponent::scrollUp()
{
newTransaction();
scrollBy (1);
if (caretPos.getLineNumber() < firstLineOnScreen)
moveLineDelta (1, false);
return true;
}
void PageView::contentsMouseMoveEvent( QMouseEvent* e )
{
QPoint newPos = e->globalPos();
if (e->state() == LeftButton && moveTool)
{
QPoint delta = dragGrabPos - newPos;
scrollBy(delta.x(), delta.y());
}
dragGrabPos = newPos;
}
void CVBEditor::canvasResized(const QRect & oldSize, const QRect & newSize) {
updateWorldMatrix();
return;
kdDebug() << k_funcinfo << endl;
QPoint delta = oldSize.topLeft() - newSize.topLeft();
delta *= p_itemView->zoomLevel();
scrollBy(delta.x(), delta.y());
}
void ScrollView::wheelEvent(PlatformWheelEvent& e)
{
// Determine how much we want to scroll. If we can move at all, we will accept the event.
IntSize maxScrollDelta = maximumScroll();
if ((e.deltaX() < 0 && maxScrollDelta.width() > 0) ||
(e.deltaX() > 0 && scrollOffset().width() > 0) ||
(e.deltaY() < 0 && maxScrollDelta.height() > 0) ||
(e.deltaY() > 0 && scrollOffset().height() > 0)) {
e.accept();
scrollBy(-e.deltaX() * LINE_STEP, -e.deltaY() * LINE_STEP);
}
}
void TerminalBuffer::insertCharacter(uint8_t c) {
assert((m_cursorX >= 0) && (m_cursorX < m_width));
assert((m_cursorY >= 0) && (m_cursorY < m_height));
TerminalLine* line = m_lines[m_cursorY];
line->m_text[m_cursorX] = c;
line->m_attr[m_cursorX] = m_attrib;
line->m_dirtyWidth = std::max(line->m_dirtyWidth, m_cursorX + 1);
if (++m_cursorX == m_width) {
if (m_cursorY == m_scrollBottom) {
scrollBy(1);
} else {
m_cursorY++;
}
m_cursorX = 0;
}
}
void QTodoList::subWheelEvent(QWheelEvent* event)
{
scrollBy(0,-event->delta());
}
void CardView::contentsWheelEvent( QWheelEvent *e )
{
scrollBy( 2 * e->delta() / -3, 0 );
}
void ScrollView::setContentsPos(int newX, int newY)
{
int dx = newX - contentsX();
int dy = newY - contentsY();
scrollBy(dx, dy);
}
