LayoutInfo::Type LayoutInfo::laidoutWidgetType(const QDesignerFormEditorInterface *core,
QWidget *widget,
bool *isManaged,
QLayout **ptrToLayout)
{
if (isManaged)
*isManaged = false;
if (ptrToLayout)
*ptrToLayout = 0;
QWidget *parent = widget->parentWidget();
if (!parent)
return NoLayout;
// 1) Splitter
if (QSplitter *splitter = qobject_cast<QSplitter*>(parent)) {
if (isManaged)
*isManaged = core->metaDataBase()->item(splitter);
return splitter->orientation() == Qt::Horizontal ? HSplitter : VSplitter;
}
// 2) Layout of parent
QLayout *parentLayout = parent->layout();
if (!parentLayout)
return NoLayout;
if (parentLayout->indexOf(widget) != -1) {
if (isManaged)
*isManaged = core->metaDataBase()->item(parentLayout);
if (ptrToLayout)
*ptrToLayout = parentLayout;
return layoutType(core, parentLayout);
}
// 3) Some child layout (see below comment about Q3GroupBox)
const QList<QLayout*> childLayouts = parentLayout->findChildren<QLayout*>();
if (childLayouts.empty())
return NoLayout;
const QList<QLayout*>::const_iterator lcend = childLayouts.constEnd();
for (QList<QLayout*>::const_iterator it = childLayouts.constBegin(); it != lcend; ++it) {
QLayout *layout = *it;
if (layout->indexOf(widget) != -1) {
if (isManaged)
*isManaged = core->metaDataBase()->item(layout);
if (ptrToLayout)
*ptrToLayout = layout;
return layoutType(core, layout);
}
}
return NoLayout;
}
void LayoutAlignmentCommand::applyAlignment(const QDesignerFormEditorInterface *core, QWidget *w, Qt::Alignment a)
{
// Find layout and apply to item
QLayout *layout;
LayoutInfo::laidoutWidgetType(core, w, 0, &layout);
if (layout) {
const int index = layout->indexOf(w);
if (index >= 0) {
layout->itemAt(index)->setAlignment(a);
layout->update();
}
}
}
void PhotoDrop::checkMoveButtons()
{
std::cerr << "PhotoDrop::checkMoveButtons()";
std::cerr << std::endl;
/* locate mSelected in the set */
QLayout *alayout = layout();
if (!alayout)
{
std::cerr << "PhotoDrop::checkMoveButtons() No Layout";
std::cerr << std::endl;
return;
}
int count = alayout->count();
if ((!mSelected) || (count < 2))
{
buttonStatus(PHOTO_SHIFT_NO_BUTTONS);
return;
}
QGridLayout *glayout = dynamic_cast<QGridLayout *>(alayout);
if (!glayout)
{
std::cerr << "PhotoDrop::checkMoveButtons() not GridLayout... not much we can do!";
std::cerr << std::endl;
buttonStatus(PHOTO_SHIFT_NO_BUTTONS);
return;
}
int index = alayout->indexOf(mSelected);
int selectedRow;
int selectedColumn;
int rowSpan;
int colSpan;
glayout->getItemPosition(index, &selectedRow, &selectedColumn, &rowSpan, &colSpan);
int maxRow = (count - 1) / mColumns;
int maxCol = (count - 1) % mColumns;
if ((selectedRow == 0) && (selectedColumn == 0))
{
buttonStatus(PHOTO_SHIFT_RIGHT_ONLY);
}
else if ((selectedRow == maxRow) && (selectedColumn == maxCol))
{
buttonStatus(PHOTO_SHIFT_LEFT_ONLY);
}
else
{
buttonStatus(PHOTO_SHIFT_BOTH);
}
}
// Find out alignment and return whether command is enabled.
Qt::Alignment LayoutAlignmentCommand::alignmentOf(const QDesignerFormEditorInterface *core, QWidget *w, bool *enabledIn)
{
bool managed;
QLayout *layout;
if (enabledIn)
*enabledIn = false;
// Can only work on a managed layout
const LayoutInfo::Type type = LayoutInfo::laidoutWidgetType(core, w, &managed, &layout);
const bool enabled = layout && managed &&
(type == LayoutInfo::HBox || type == LayoutInfo::VBox
|| type == LayoutInfo::Grid);
if (!enabled)
return Qt::Alignment(0);
// Get alignment
const int index = layout->indexOf(w);
Q_ASSERT(index >= 0);
if (enabledIn)
*enabledIn = true;
return layout->itemAt(index)->alignment();
}
dmz::V8Value
dmz::JsModuleUiV8QtBasic::_layout_index_of (const v8::Arguments &Args) {
v8::HandleScope scope;
V8Value result = v8::Undefined ();
JsModuleUiV8QtBasic *self = _to_self (Args);
if (self) {
QLayout *layout = self->v8_to_qobject<QLayout> (Args.This ());
if (layout) {
QWidget *widget = self->_to_qwidget (Args[0]);
if (widget) {
result = v8::Number::New (layout->indexOf (widget));
}
}
}
return scope.Close (result);
}
void PhotoDrop::moveRight()
{
std::cerr << "PhotoDrop::moveRight()";
std::cerr << std::endl;
QLayout *alayout = layout();
if (!alayout)
{
std::cerr << "PhotoDrop::moveRight() No Layout";
std::cerr << std::endl;
return;
}
QGridLayout *glayout = dynamic_cast<QGridLayout *>(alayout);
if (!glayout)
{
std::cerr << "PhotoDrop::moveRight() not GridLayout... not much we can do!";
std::cerr << std::endl;
return;
}
int count = alayout->count();
if ((!mSelected) || (count < 2))
{
std::cerr << "PhotoDrop::moveRight() Not enough items";
std::cerr << std::endl;
return;
}
int index = alayout->indexOf(mSelected);
int selectedRow;
int selectedColumn;
int rowSpan;
int colSpan;
glayout->getItemPosition(index, &selectedRow, &selectedColumn, &rowSpan, &colSpan);
int maxRow = (count - 1) / mColumns;
int maxCol = (count - 1) % mColumns;
if ((selectedRow == maxRow) && (selectedColumn == maxCol))
{
std::cerr << "PhotoDrop::moveRight() Selected is last item";
std::cerr << std::endl;
return;
}
int swapRow = selectedRow;
int swapColumn = selectedColumn + 1;
if (swapColumn == mColumns)
{
swapRow++;
swapColumn = 0;
}
std::cerr << "PhotoDrop::moveRight() Trying to swap (" << selectedRow << ",";
std::cerr << selectedColumn << ") <-> (" << swapRow;
std::cerr << "," << swapColumn << ")";
std::cerr << std::endl;
QLayoutItem *litem = glayout->itemAtPosition(swapRow, swapColumn);
if (!litem)
{
std::cerr << "PhotoDrop::moveRight() No layout item to the right";
std::cerr << std::endl;
return;
}
QWidget *widget = litem->widget();
if (!widget)
{
std::cerr << "PhotoDrop::moveRight() No item to the right";
std::cerr << std::endl;
return;
}
/* grab both items, and switch */
std::cerr << "PhotoDrop::moveRight() could move index: " << index;
std::cerr << std::endl;
glayout->removeWidget(widget);
glayout->removeWidget(mSelected);
glayout->addWidget(widget, selectedRow, selectedColumn, Qt::AlignCenter);
glayout->addWidget(mSelected, swapRow, swapColumn, Qt::AlignCenter);
checkMoveButtons();
}
