void TLFrameSequenceLayout::slotMoveFrameSequenceDown()
{
//If the current frame sequence is the last, do nothing
if ( current_frame_sequence == last_frame_sequence )
return;
//Find the frame sequence above the current and reinsert it into the list in its new position
TLFrameSequence *frame_sequence_below = list_of_frame_sequences.take( list_of_frame_sequences.find( current_frame_sequence ) + 1 );
current_frame_sequence -> setPosition( current_frame_sequence -> position() + 1 );
frame_sequence_below -> setPosition( frame_sequence_below -> position() - 1 );
list_of_frame_sequences.insert( frame_sequence_below -> position() - 1, frame_sequence_below );
if ( frame_sequence_below == last_frame_sequence )
last_frame_sequence = current_frame_sequence;
//Swap both frame sequences in the scroll view
moveChild( frame_sequence_below, childX( frame_sequence_below ), childY( frame_sequence_below ) - 24 );
moveChild( current_frame_sequence, childX( current_frame_sequence ), childY( current_frame_sequence ) + 24 );
updateContentSize();
}
void
PolicyViewClass::startAddTransition(PatternWidgetClass* patternWidget)
{
pickedPatternPtr = patternWidget;
pickedPattern = patternWidget->getPatternName();
addTransitionMode = true;
arrowFrom_.setX(childX(pickedPatternPtr));
arrowFrom_.setY(childY(pickedPatternPtr));
viewport()->setMouseTracking(true);
}
void PageView::calculateCurrentPageNumber(int x, int y)
{
// Safety check
if (widgetList == 0)
return;
QRect viewportRect(x, y, visibleWidth(), visibleHeight());
//kdDebug() << "viewportRect(" << viewportRect.x() << ", " << viewportRect.y() << ", "
// << viewportRect.width() << ", " << viewportRect.height() << ")" << endl;
int maxVisiblePixels = 0;
DocumentWidget* _currentWidget = 0;
for (Q_UINT16 i = 0; i < widgetList->size(); i++)
{
DocumentWidget* documentWidget = widgetList->at(i);
// Safety check
if (documentWidget == 0)
continue;
// Check if the Widget is visible
int cx = childX(documentWidget);
int cy = childY(documentWidget);
QRect widgetRect(cx, cy, documentWidget->width(), documentWidget->height());
bool isVisible = widgetRect.intersects(viewportRect);
if (!isVisible)
continue;
// Calculate the number of visible pixels of the widget
QRect visibleRect = widgetRect.intersect(viewportRect);
int visiblePixels = visibleRect.width() * visibleRect.height();
//kdDebug() << visiblePixels << " pixels are visible of page " << documentWidget->getPageNumber() << endl;
// If a bigger part of this widget as of the previous widgets is visible make it the current widget.
if (maxVisiblePixels < visiblePixels)
{
maxVisiblePixels = visiblePixels;
_currentWidget = documentWidget;
}
}
// No page is visible
if (_currentWidget == 0)
return;
// Return the number of the current page
emit currentPageChanged(_currentWidget->getPageNumber());
}
void TLFrameSequenceLayout::slotSwapFrameSequences( int c_pos, int r_pos )
{
Q_ASSERT( c_pos > 0 && r_pos > 0 );
TLFrameSequence *release_frame_sequence;
release_frame_sequence = NULL;
//Above
if ( c_pos > r_pos )
{
current_frame_sequence = list_of_frame_sequences.take( list_of_frame_sequences.find( current_frame_sequence ) );
release_frame_sequence = list_of_frame_sequences.take( r_pos - 1 );
current_frame_sequence -> setPosition( r_pos );
release_frame_sequence -> setPosition( c_pos );
list_of_frame_sequences.insert( current_frame_sequence -> position() - 1, current_frame_sequence );
list_of_frame_sequences.insert( release_frame_sequence -> position() - 1, release_frame_sequence );
}
//Below
else if ( c_pos < r_pos )
{
release_frame_sequence = list_of_frame_sequences.take( r_pos - 1 );
current_frame_sequence = list_of_frame_sequences.take( list_of_frame_sequences.find( current_frame_sequence ) );
current_frame_sequence -> setPosition( r_pos );
release_frame_sequence -> setPosition( c_pos );
list_of_frame_sequences.insert( release_frame_sequence -> position() - 1, release_frame_sequence );
list_of_frame_sequences.insert( current_frame_sequence -> position() - 1, current_frame_sequence );
}
last_frame_sequence = list_of_frame_sequences.getLast();
int cfs_old_x, cfs_old_y, rfs_old_x, rfs_old_y;
cfs_old_x = childX( current_frame_sequence );
cfs_old_y = childY( current_frame_sequence );
rfs_old_x = childX( release_frame_sequence );
rfs_old_y = childY( release_frame_sequence );
moveChild( current_frame_sequence, rfs_old_x, rfs_old_y );
moveChild( release_frame_sequence, cfs_old_x, cfs_old_y );
updateContentSize();
}
void ThumbnailList::updateWidgets()
{
// find all widgets that intersects the viewport and update them
QRect viewportRect( contentsX(), contentsY(), visibleWidth(), visibleHeight() );
QValueList<ThumbnailWidget *>::iterator vIt = m_visibleThumbnails.begin(), vEnd = m_visibleThumbnails.end();
for ( ; vIt != vEnd; ++vIt )
{
ThumbnailWidget * t = *vIt;
QRect widgetRect( childX( t ), childY( t ), t->width(), t->height() );
// update only the exposed area of the widget (saves pixels..)
QRect relativeRect = viewportRect.intersect( widgetRect );
if ( !relativeRect.isValid() )
continue;
relativeRect.moveBy( -widgetRect.left(), -widgetRect.top() );
t->update( relativeRect );
}
}
void TLFrameSequenceLayout::slotRemoveFrameSequence()
{
if ( number_of_frame_sequences > 1 )
{
TLFrameSequence *bridge_frame_sequence;
number_of_frame_sequences--;
//Case 1: When the sequence of frames is the last within the list
if ( current_frame_sequence == last_frame_sequence )
{
list_of_frame_sequences.remove( current_frame_sequence );
bridge_frame_sequence = list_of_frame_sequences.getLast();
delete current_frame_sequence;
current_frame_sequence = bridge_frame_sequence;
last_frame_sequence = current_frame_sequence;
current_frame = NULL;
}
//Case 2: When the sequence of frames is any except the last
else
{
bridge_frame_sequence = list_of_frame_sequences.at( list_of_frame_sequences.find( current_frame_sequence ) + 1 );
//Reaccomodate every frame_sequence next to the frame_sequence that is going to be deleted
TLFrameSequence *frame_sequence_iterator;
for ( frame_sequence_iterator = bridge_frame_sequence; frame_sequence_iterator; frame_sequence_iterator = list_of_frame_sequences.next() )
{
moveChild( frame_sequence_iterator, childX( frame_sequence_iterator ), childY( frame_sequence_iterator ) - frame_sequence_iterator -> height() );
frame_sequence_iterator -> setPosition( frame_sequence_iterator -> position() - 1 );
}
list_of_frame_sequences.remove( current_frame_sequence );
delete current_frame_sequence;
current_frame_sequence = bridge_frame_sequence;
current_frame = NULL;
}
updateContentSize();
}
}
void PageView::moveViewportToWidget(QWidget* widget, int y)
{
int verticalPos = 0;
int verticalPosTop = 0;
if (y != 0)
{
verticalPosTop = childY(widget) + y - visibleHeight()/2;
verticalPos = childY(widget) + y;
}
else
{
verticalPos = childY(widget) - distanceBetweenWidgets;
verticalPosTop = verticalPos;
}
if (nrCols == 1)
{
// In single column viewmodes, we change the vertical position only, to make it
// easier to work with high zoomlevels where not the whole pagewidth is visible.
// TODO: Smarter algorithm also for continuous facing viewmode.
int top = (int)(contentsY() + 0.1 * visibleHeight());
int bottom = (int)(contentsY() + 0.9 * visibleHeight());
// Move the viewport if the target is currently not visible, or lies at the edge
// of the viewport. If y = 0 always move the top of the targetpage to the top edge
// of the viewport.
if (verticalPos < top || verticalPos > bottom || y == 0)
{
setContentsPos(contentsX(), verticalPosTop);
}
}
else
{
setContentsPos(childX(widget) - distanceBetweenWidgets, verticalPosTop);
}
}
