int MToolBarLayoutPolicy::takenSlots() const
{
if (textEditIndex != -1)
return widgetCount()+1; //textedit counts for two slots
else
return widgetCount();
}
bool FormWindowCursor::movePosition(MoveOperation op, MoveMode mode)
{
if (widgetCount() == 0)
return false;
int iterator = position();
if (mode == MoveAnchor)
m_formWindow->clearSelection(false);
switch (op) {
case Next:
++iterator;
if (iterator >= widgetCount())
iterator = 0;
m_formWindow->selectWidget(m_formWindow->widgetAt(iterator), true);
return true;
case Prev:
--iterator;
if (iterator < 0)
iterator = widgetCount() - 1;
if (iterator < 0)
return false;
m_formWindow->selectWidget(m_formWindow->widgetAt(iterator), true);
return true;
default:
return false;
}
}
void MToolBarLayoutPolicy::removeWidgetAtPreservingSpacers(int widgetIndex)
{
if (widgetIndex < 0 || widgetIndex > widgetCount())
return;
if (widgetIndex == textEditIndex)
textEditIndex = -1;
else if (textEditIndex != -1 && widgetIndex < textEditIndex)
textEditIndex--;
updateLayoutPositionDueToRemove(widgetIndex);
int policyIndex = widgetIndexToPolicyIndex(widgetIndex);
Q_ASSERT(MLinearLayoutPolicy::count() >= policyIndex);
bool lastItem = (widgetIndex == widgetCount()-1);
bool onlyItem = (widgetCount() == 1);
MLinearLayoutPolicy::removeAt(policyIndex);
if (!onlyItem) {
//remove and delete spacer
int spacerIndex = lastItem ? policyIndex-1 : policyIndex;
QGraphicsLayoutItem *item = MLinearLayoutPolicy::itemAt(spacerIndex);
MLinearLayoutPolicy::removeAt(spacerIndex);
delete item;
}
}
void MToolBarLayoutPolicy::insertWidgetAndRemoveOverflow(int widgetIndex, QGraphicsLayoutItem *item)
{
widgetIndex = qMin((uint)widgetIndex, (uint)widgetCount());
Q_ASSERT(item);
//A ugly hack to try to cope with QTBUG-11134
item->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
if (dynamic_cast<MTextEdit *>(item->graphicsItem())) {
if (textEditIndex != -1) //Remove any previous text edit
removeWidgetAtPreservingSpacers(textEditIndex);
textEditIndex = widgetIndex;
} else if (widgetIndex <= textEditIndex)
textEditIndex++;
int policyIndex = widgetIndexToPolicyIndex(widgetIndex);
Q_ASSERT(MLinearLayoutPolicy::count() >= policyIndex);
if (widgetCount() > 0) {
bool lastItem = (widgetIndex == widgetCount());
if (lastItem) {
MLinearLayoutPolicy::insertItem(policyIndex-1, item, Qt::AlignVCenter);
insertSpacer(policyIndex-1);
} else {
MLinearLayoutPolicy::insertItem(policyIndex, item, Qt::AlignVCenter);
insertSpacer(policyIndex+1);
}
} else
MLinearLayoutPolicy::insertItem(policyIndex, item, Qt::AlignVCenter);
updateLayoutPositionDueToInsert(widgetIndex);
removeOverflownWidgets();
updateSpacers();
}
qreal MToolBarLayoutPolicy::effectiveCenterOffset() const
{
if (centerAllWidgets && centerOffsetEnabledForAll)
return centerOffset; //center offset is active for all widgets
else if (centerLabelOnlyButtons && centerOffsetEnabledForLabelOnly && widgetCount() > 0 && labelOnlyButtonCount() == widgetCount())
return centerOffset; //center offset is active for label only buttons and all buttons are such;
else if (widgetCount() == 1 && labelOnlyButtonCount() == 1)
return centerOffset; //single label only button -> possible center offset is used
return 0.0f;
}
void FormWindowCursor::setPosition(int pos, MoveMode mode)
{
if (!widgetCount())
return;
if (mode == MoveAnchor)
m_formWindow->clearSelection(false);
if (pos >= widgetCount())
pos = 0;
m_formWindow->selectWidget(m_formWindow->widgetAt(pos), true);
}
void PHN_Widget::setColor(int colorId, color_t color) {
colors.set(colorId, color);
for (int i = 0; i < widgetCount(); i++) {
widget(i)->setColor(colorId, color);
}
invalidate();
}
QGraphicsLayoutItem *MToolBarLayoutPolicy::widgetAt(int widgetIndex) const
{
if (widgetIndex < 0 || widgetIndex >= widgetCount())
return 0;
return MLinearLayoutPolicy::itemAt(widgetIndexToPolicyIndex(widgetIndex));
}
void MToolBarLayoutPolicy::updateAllLayoutPositions()
{
if (!isActive())
return;
if (widgetCount() == 1) {
setLayoutPosition(0, M::DefaultPosition);
} else if (widgetCount() > 1) {
bool leftToRight = layout()->layoutDirection() == Qt::LeftToRight;
setLayoutPosition(0, leftToRight ? M::HorizontalLeftPosition : M::HorizontalRightPosition);
setLayoutPosition(widgetCount()-1, leftToRight ? M::HorizontalRightPosition : M::HorizontalLeftPosition);
for (int i = 1; i < widgetCount()-1; ++i) {
setLayoutPosition(i, M::HorizontalCenterPosition);
}
}
}
int MToolBarLayoutPolicy::widgetIndexOf(const QGraphicsLayoutItem *item) const
{
int base = leftSpacer ? 1 : 0;
for (int i = widgetCount()-1; i >= 0; i--) {
if (MLinearLayoutPolicy::itemAt(base+i*2) == item)
return i;
}
return -1;
}
void MToolBarLayoutPolicy::updateLayoutPositionDueToInsert(int widgetIndex)
{
if (!isActive())
return;
if (widgetCount() <= 3)
updateAllLayoutPositions();
else {
bool leftToRight = layout()->layoutDirection() == Qt::LeftToRight;
if (widgetIndex == 0) { // Added to first position
setLayoutPosition(0, leftToRight ? M::HorizontalLeftPosition : M::HorizontalRightPosition);
setLayoutPosition(1, M::HorizontalCenterPosition);
} else if (widgetIndex == widgetCount() - 1) { // Added to last position
setLayoutPosition(widgetCount()-2, M::HorizontalCenterPosition);
setLayoutPosition(widgetCount()-1, leftToRight ? M::HorizontalRightPosition : M::HorizontalLeftPosition);
} else // Added to middle
setLayoutPosition(widgetIndex, M::HorizontalCenterPosition);
}
}
MToolBarLayoutPolicy::~MToolBarLayoutPolicy()
{
for (int i = widgetCount()-1; i >= 0; i--)
removeWidgetAtPreservingSpacers(i);
while (MLinearLayoutPolicy::count()) {
// Remove left and right spacers
QGraphicsLayoutItem *item = MLinearLayoutPolicy::itemAt(count()-1);
MLinearLayoutPolicy::removeAt(count()-1);
delete item;
}
}
void MToolBarLayoutPolicy::updateSpacers()
{
updateContentsMargins();
if (centerAllWidgets
|| (centerLabelOnlyButtons && widgetCount() > 0 && labelOnlyButtonCount() == widgetCount())
|| (widgetCount() == 1 && labelOnlyButtonCount() == 1)) {
activateLeftSpacer(true);
activateRightSpacer(true);
activateMiddleSpacers(false);
return;
}
// Activate side spacer if there is just single widget in justified alignment
// or alignment is neither to that direction nor justified.
bool singleWidgetInJustified = (widgetCount() == 1 && isJustifiedAlignment());
activateLeftSpacer(singleWidgetInJustified || !isAlignedLeftOrJustified());
activateRightSpacer(singleWidgetInJustified || !isAlignedRightOrJustified());
activateMiddleSpacers(spacesBetween);
}
void MToolBarLayoutPolicy::updateLayoutPositionDueToRemove(int widgetIndex)
{
if (!isActive())
return;
setLayoutPosition(widgetIndex, M::DefaultPosition);
if (widgetCount()-1 > 0) {
if (widgetCount()-1 == 1) {
// Only one will be left
setLayoutPosition((widgetIndex == 0) ? 1 : 0, M::DefaultPosition);
} else {
bool leftToRight = layout()->layoutDirection() == Qt::LeftToRight;
if (widgetIndex == 0)
// Second is the new number one
setLayoutPosition(1, leftToRight ? M::HorizontalLeftPosition : M::HorizontalRightPosition);
else if (widgetIndex == widgetCount()-1)
// Second but last will be last
setLayoutPosition(widgetCount()-2, leftToRight ? M::HorizontalRightPosition : M::HorizontalLeftPosition);
}
}
}
int MToolBarLayoutPolicy::labelOnlyButtonCount() const
{
int cnt(0);
for (int i = 0; i < widgetCount(); i++) {
MButton *button = dynamic_cast<MButton *>(widgetAt(i));
if (button &&
!button->text().isEmpty() && button->iconID().isEmpty() &&
button->viewType() == MButton::defaultType) {
cnt++;
}
}
return cnt;
}
bool MToolBarLayoutPolicy::roomForWidget(int widgetIndex, bool textEdit) const
{
widgetIndex = qMin((uint)widgetIndex, (uint)widgetCount());
if (textEdit) {
if (textEditIndex != -1 && widgetIndex > textEditIndex) {
//If we come first, we push the old textedit out of the way
return false; //No room for us
} else if (widgetIndex+1 >= effectiveMaxWidgetSlots())
return false; //No room to add
}
else if (widgetIndex >= effectiveMaxWidgetSlots())
return false; //No room to add
else if (textEditIndex != -1 && widgetIndex >= effectiveMaxWidgetSlots() -1)
return false; //No room to add because textedit takes up two spaces
return true;
}
void MToolBarLayoutPolicy::removeOverflownWidgets()
{
while (takenSlots() > effectiveMaxWidgetSlots())
removeWidgetAtPreservingSpacers(widgetCount()-1);
}
void MToolBarLayoutPolicy::removeAllWidgets()
{
for (int i = widgetCount()-1; i >= 0; i--) {
removeWidgetAtPreservingSpacers(i);
}
}
