tahoma2d/toonz/sources/toonzqt/tselectionhandle.cpp
2016-06-15 15:43:10 +09:00

80 lines
2.6 KiB
C++

#include "toonzqt/tselectionhandle.h"
#include "toonzqt/selection.h"
//=============================================================================
// TSelectionHandle
//-----------------------------------------------------------------------------
TSelectionHandle::TSelectionHandle() { m_selectionStack.push_back(0); }
//-----------------------------------------------------------------------------
TSelectionHandle::~TSelectionHandle() {}
//-----------------------------------------------------------------------------
TSelection *TSelectionHandle::getSelection() const {
return m_selectionStack.back();
}
//-----------------------------------------------------------------------------
void TSelectionHandle::setSelection(TSelection *selection) {
if (getSelection() == selection) return;
TSelection *oldSelection = getSelection();
if (oldSelection) {
oldSelection->selectNone();
// disable selection related commands
CommandManager *commandManager = CommandManager::instance();
int i;
for (i = 0; i < (int)m_enabledCommandIds.size(); i++)
commandManager->setHandler(m_enabledCommandIds[i].c_str(), 0);
m_enabledCommandIds.clear();
}
m_selectionStack.back() = selection;
if (selection) selection->enableCommands();
emit selectionSwitched(oldSelection, selection);
}
//-----------------------------------------------------------------------------
void TSelectionHandle::pushSelection() {
// NOTE
// We push 0, and NOT a copy of the last item. I think this is done on
// purpose,
// as having it copied and then selecting a different one invokes
// selectNone()
// on the former.
m_selectionStack.push_back(0);
}
//-----------------------------------------------------------------------------
void TSelectionHandle::popSelection() {
if (m_selectionStack.size() > 1) m_selectionStack.pop_back();
TSelection *selection = getSelection();
if (selection) selection->enableCommands();
}
//-----------------------------------------------------------------------------
void TSelectionHandle::enableCommand(std::string cmdId,
CommandHandlerInterface *handler) {
CommandManager::instance()->setHandler(cmdId.c_str(), handler);
m_enabledCommandIds.push_back(cmdId);
}
//-----------------------------------------------------------------------------
void TSelectionHandle::notifySelectionChanged() {
emit selectionChanged(m_selectionStack.back());
}
//-----------------------------------------------------------------------------
TSelectionHandle *TSelectionHandle::getCurrent() {
static TSelectionHandle _currentSelection;
return &_currentSelection;
}