void SkeinWindow::OnContextMenu(CWnd* pWnd, CPoint point)
{
// No menu if currently editing
if (m_edit.IsWindowVisible())
return;
// No menu if running the game
bool gameRunning = GetParentFrame()->SendMessage(WM_GAMERUNNING) != 0;
bool gameWaiting = GetParentFrame()->SendMessage(WM_GAMEWAITING) != 0;
if (gameRunning && !gameWaiting)
return;
// Find the node under the mouse, if any
CPoint cp(point);
ScreenToClient(&cp);
Skein::Node* node = NodeAtPoint(cp);
if (node == NULL)
return;
// Get the context menu
CMenu popup;
popup.LoadMenu(IDR_SKEIN);
CMenu* menu = popup.GetSubMenu(0);
// Update the state of the context menu items
if (node->GetParent() == NULL)
{
menu->RemoveMenu(ID_SKEIN_EDIT,MF_BYCOMMAND);
menu->RemoveMenu(ID_SKEIN_ADD_LABEL,MF_BYCOMMAND);
menu->RemoveMenu(ID_SKEIN_EDIT_LABEL,MF_BYCOMMAND);
menu->RemoveMenu(ID_SKEIN_INSERT_KNOT,MF_BYCOMMAND);
menu->RemoveMenu(ID_SKEIN_DELETE,MF_BYCOMMAND);
menu->RemoveMenu(ID_SKEIN_DELETE_BELOW,MF_BYCOMMAND);
menu->RemoveMenu(ID_SKEIN_DELETE_THREAD,MF_BYCOMMAND);
menu->RemoveMenu(ID_SKEIN_LOCK,MF_BYCOMMAND|MF_GRAYED);
menu->RemoveMenu(ID_SKEIN_UNLOCK,MF_BYCOMMAND|MF_GRAYED);
menu->RemoveMenu(ID_SKEIN_LOCK_THREAD,MF_BYCOMMAND|MF_GRAYED);
menu->RemoveMenu(ID_SKEIN_UNLOCK_THREAD,MF_BYCOMMAND|MF_GRAYED);
}
else
{
if (gameRunning && m_skein->InCurrentThread(node))
{
menu->EnableMenuItem(ID_SKEIN_DELETE,MF_BYCOMMAND|MF_GRAYED);
menu->EnableMenuItem(ID_SKEIN_DELETE_BELOW,MF_BYCOMMAND|MF_GRAYED);
}
if (gameRunning && m_skein->InCurrentThread(m_skein->GetThreadTop(node)))
menu->EnableMenuItem(ID_SKEIN_DELETE_THREAD,MF_BYCOMMAND|MF_GRAYED);
if (node->GetLabel().IsEmpty())
menu->RemoveMenu(ID_SKEIN_EDIT_LABEL,MF_BYCOMMAND);
else
menu->RemoveMenu(ID_SKEIN_ADD_LABEL,MF_BYCOMMAND);
}
if (node->GetTemporary())
{
menu->RemoveMenu(ID_SKEIN_UNLOCK,MF_BYCOMMAND|MF_GRAYED);
menu->RemoveMenu(ID_SKEIN_UNLOCK_THREAD,MF_BYCOMMAND|MF_GRAYED);
}
else
{
menu->RemoveMenu(ID_SKEIN_LOCK,MF_BYCOMMAND|MF_GRAYED);
menu->RemoveMenu(ID_SKEIN_LOCK_THREAD,MF_BYCOMMAND|MF_GRAYED);
}
// Show the context menu
int cmd = menu->TrackPopupMenuEx(TPM_LEFTALIGN|TPM_TOPALIGN|TPM_NONOTIFY|TPM_RETURNCMD,
point.x,point.y,GetParentFrame(),NULL);
// Act on the context menu choice
switch (cmd)
{
case ID_SKEIN_PLAY:
GetParentFrame()->SendMessage(WM_PLAYSKEIN,(WPARAM)node);
break;
case ID_SKEIN_EDIT:
StartEdit(node,false);
break;
case ID_SKEIN_ADD_LABEL:
case ID_SKEIN_EDIT_LABEL:
// Make sure that the label background is visible
Invalidate();
StartEdit(node,true);
break;
case ID_SKEIN_TRANSCRIPT:
GetParentFrame()->SendMessage(WM_SHOWTRANSCRIPT,(WPARAM)node,(LPARAM)GetSafeHwnd());
break;
case ID_SKEIN_LOCK:
m_skein->Lock(node);
break;
case ID_SKEIN_UNLOCK:
m_skein->Unlock(node);
break;
case ID_SKEIN_LOCK_THREAD:
m_skein->Lock(m_skein->GetThreadBottom(node));
break;
case ID_SKEIN_UNLOCK_THREAD:
m_skein->Unlock(m_skein->GetThreadTop(node));
break;
case ID_SKEIN_NEW_THREAD:
{
Skein::Node* newNode = m_skein->AddNew(node);
// Force a repaint so that the new node is drawn and recorded
Invalidate();
UpdateWindow();
StartEdit(newNode,false);
}
break;
case ID_SKEIN_INSERT_KNOT:
{
Skein::Node* newNode = m_skein->AddNewParent(node);
Invalidate();
UpdateWindow();
StartEdit(newNode,false);
}
break;
case ID_SKEIN_DELETE:
if (CanRemove(node))
m_skein->RemoveSingle(node);
break;
case ID_SKEIN_DELETE_BELOW:
if (CanRemove(node))
m_skein->RemoveAll(node);
break;
case ID_SKEIN_DELETE_THREAD:
{
Skein::Node* topNode = m_skein->GetThreadTop(node);
if (CanRemove(topNode))
m_skein->RemoveAll(topNode);
}
break;
case ID_SKEIN_SAVE_TRANSCRIPT:
{
SimpleFileDialog dialog(FALSE,"txt",NULL,OFN_HIDEREADONLY|OFN_ENABLESIZING,
"Text Files (*.txt)|*.txt|All Files (*.*)|*.*||",this);
dialog.m_ofn.lpstrTitle = "Save the transcript up to this knot";
if (dialog.DoModal() == IDOK)
m_skein->SaveTranscript(node,dialog.GetPathName());
}
break;
case 0:
// Make sure this window still has the focus
SetFocus();
break;
}
}
