void UIWidget::focusPreviousChild(Fw::FocusReason reason)
{
if(m_destroyed)
return;
UIWidgetPtr toFocus;
UIWidgetList rotatedChildren(m_children);
std::reverse(rotatedChildren.begin(), rotatedChildren.end());
if(m_focusedChild) {
auto focusedIt = std::find(rotatedChildren.begin(), rotatedChildren.end(), m_focusedChild);
if(focusedIt != rotatedChildren.end()) {
std::rotate(rotatedChildren.begin(), focusedIt, rotatedChildren.end());
rotatedChildren.pop_front();
}
}
// finds next child to focus
for(const UIWidgetPtr& child : rotatedChildren) {
if(child->isFocusable() && child->isExplicitlyEnabled() && child->isVisible()) {
toFocus = child;
break;
}
}
if(toFocus)
focusChild(toFocus, reason);
}
void UIWidget::lockChild(const UIWidgetPtr& child)
{
if(m_destroyed)
return;
if(!child)
return;
if(!hasChild(child)) {
g_logger.traceError("cannot find child");
return;
}
// prevent double locks
if(isChildLocked(child))
unlockChild(child);
// disable all other children
for(const UIWidgetPtr& otherChild : m_children) {
if(otherChild == child)
child->setEnabled(true);
else
otherChild->setEnabled(false);
}
m_lockedChildren.push_front(child);
// lock child focus
if(child->isFocusable())
focusChild(child, Fw::ActiveFocusReason);
}
void UIWidget::removeChild(UIWidgetPtr child)
{
// remove from children list
if(hasChild(child)) {
// defocus if needed
bool focusAnother = false;
if(m_focusedChild == child) {
focusChild(nullptr, Fw::ActiveFocusReason);
focusAnother = true;
}
if(isChildLocked(child))
unlockChild(child);
auto it = std::find(m_children.begin(), m_children.end(), child);
m_children.erase(it);
// reset child parent
assert(child->getParent() == static_self_cast<UIWidget>());
child->setParent(nullptr);
m_layout->removeWidget(child);
// update child states
child->updateStates();
updateChildrenIndexStates();
if(m_autoFocusPolicy != Fw::AutoFocusNone && focusAnother && !m_focusedChild)
focusPreviousChild(Fw::ActiveFocusReason, true);
g_ui.onWidgetDisappear(child);
} else
g_logger.traceError("attempt to remove an unknown child from a UIWidget");
}
void NewProjectWindow::ResetForm() {
if(defaultTemplateTree)
defaultTemplateTree->setSelected();
focusChild(projectNameInput);
projectNameInput->setText(L"Untitled");
projectLocationInput->setText(CoreServices::getInstance()->getCore()->getUserHomeDirectory()+"/Documents/Polycode");
}
void UIWidget::lockChild(const UIWidgetPtr& child)
{
if(!child)
return;
assert(hasChild(child));
// prevent double locks
if(isChildLocked(child))
unlockChild(child);
// disable all other children
for(const UIWidgetPtr& otherChild : m_children) {
if(otherChild == child)
child->setEnabled(true);
else
otherChild->setEnabled(false);
}
m_lockedChildren.push_front(child);
// lock child focus
if(child->isFocusable())
focusChild(child, Fw::ActiveFocusReason);
moveChildToTop(child);
}
void UIWidget::removeChild(const UIWidgetPtr& child)
{
// remove from children list
if(hasChild(child)) {
// defocus if needed
bool focusAnother = false;
if(m_focusedChild == child) {
focusChild(nullptr, Fw::ActiveFocusReason);
focusAnother = true;
}
if(isChildLocked(child))
unlockChild(child);
auto it = std::find(m_children.begin(), m_children.end(), child);
m_children.erase(it);
// reset child parent
assert(child->getParent() == asUIWidget());
child->setParent(nullptr);
m_layout->removeWidget(child);
// update child states
child->updateStates();
updateChildrenIndexStates();
if(focusAnother && !m_focusedChild)
focusPreviousChild(Fw::ActiveFocusReason);
} else
logError("Attempt to remove an unknown child from a UIWidget");
}
void VEditTab::handleFocusChanged(QWidget * /* p_old */, QWidget *p_now)
{
if (p_now == this) {
// When VEditTab get focus, it should focus to current widget.
focusChild();
emit getFocused();
updateStatus();
} else if (isAncestorOf(p_now)) {
emit getFocused();
updateStatus();
}
}
void UIWidget::unlockChild(const UIWidgetPtr& child)
{
if(m_destroyed)
return;
if(!child)
return;
if(!hasChild(child)) {
g_logger.traceError("cannot find child");
return;
}
auto it = std::find(m_lockedChildren.begin(), m_lockedChildren.end(), child);
if(it == m_lockedChildren.end())
return;
m_lockedChildren.erase(it);
// find new child to lock
UIWidgetPtr lockedChild;
if(m_lockedChildren.size() > 0) {
lockedChild = m_lockedChildren.front();
assert(hasChild(lockedChild));
}
for(const UIWidgetPtr& otherChild : m_children) {
// lock new child
if(lockedChild) {
if(otherChild == lockedChild)
lockedChild->setEnabled(true);
else
otherChild->setEnabled(false);
}
// else unlock all
else
otherChild->setEnabled(true);
}
if(lockedChild) {
if(lockedChild->isFocusable())
focusChild(lockedChild, Fw::ActiveFocusReason);
}
}
void UIWidget::focusNextChild(Fw::FocusReason reason, bool rotate)
{
if(m_destroyed)
return;
UIWidgetPtr toFocus;
if(rotate) {
UIWidgetList rotatedChildren(m_children);
if(m_focusedChild) {
auto focusedIt = std::find(rotatedChildren.begin(), rotatedChildren.end(), m_focusedChild);
if(focusedIt != rotatedChildren.end()) {
std::rotate(rotatedChildren.begin(), focusedIt, rotatedChildren.end());
rotatedChildren.pop_front();
}
}
// finds next child to focus
for(const UIWidgetPtr& child : rotatedChildren) {
if(child->isFocusable() && child->isExplicitlyEnabled() && child->isVisible()) {
toFocus = child;
break;
}
}
} else {
auto it = m_children.begin();
if(m_focusedChild)
it = std::find(m_children.begin(), m_children.end(), m_focusedChild);
for(; it != m_children.end(); ++it) {
const UIWidgetPtr& child = *it;
if(child != m_focusedChild && child->isFocusable() && child->isExplicitlyEnabled() && child->isVisible()) {
toFocus = child;
break;
}
}
}
if(toFocus && toFocus != m_focusedChild)
focusChild(toFocus, reason);
}
bool UIWidget::propagateOnMousePress(const Point& mousePos, Fw::MouseButton button)
{
// do a backup of children list, because it may change while looping it
UIWidgetPtr clickedChild;
for(const UIWidgetPtr& child : m_children) {
// events on hidden or disabled widgets are discarded
if(!child->isExplicitlyEnabled() || !child->isExplicitlyVisible())
continue;
// mouse press events only go to children that contains the mouse position
if(child->containsPoint(mousePos) && child == getChildByPos(mousePos)) {
clickedChild = child;
break;
}
}
if(clickedChild) {
// focusable child gains focus when clicked
if(clickedChild->isFocusable())
focusChild(clickedChild, Fw::MouseFocusReason);
// stop propagating if the child accept the event
if(clickedChild->propagateOnMousePress(mousePos, button))
return true;
}
// only non phatom widgets receives mouse press events
if(!isPhantom()) {
bool ret = onMousePress(mousePos, button);
if(button == Fw::MouseLeftButton && !isPressed())
setPressed(true);
return ret;
}
return false;
}
void PolycodeTextEditor::hideFindBar() {
findBar->visible = false;
focusChild(textInput);
Resize(editorSize.x, editorSize.y);
}
void VEditTab::focusTab()
{
focusChild();
emit getFocused();
updateStatus();
}
void TextInputPopup::setValue(String value) {
textInput->setText(value);
focusChild(textInput);
}
void NewFileWindow::resetForm() {
defaultTemplateTree->setSelected();
fileNameInput->setText("Untitled");
focusChild(fileNameInput);
}
