bool CMouseHandler::AssignMouseCursor(
const std::string& cmdName,
const std::string& fileName,
CMouseCursor::HotSpot hotSpot,
bool overwrite
) {
const auto cmdIt = cursorCommandMap.find(cmdName);
const auto fileIt = cursorFileMap.find(fileName);
const bool haveCmd = (cmdIt != cursorCommandMap.end());
const bool haveFile = (fileIt != cursorFileMap.end());
if (haveCmd && !overwrite)
return false; // already assigned
if (haveFile) {
// cursor is already loaded, reuse it
cursorCommandMap[cmdName] = fileIt->second;
return true;
}
CMouseCursor newCursor = std::move(CMouseCursor::New(fileName, hotSpot));
if (!newCursor.IsValid())
return false;
const int commandCursorIdx = haveCmd? cmdIt->second: -1;
// assign the new cursor and remap indices
loadedCursors.emplace_back();
loadedCursors.back() = std::move(newCursor);
cursorFileMap[fileName] = loadedCursors.size() - 1;
cursorCommandMap[cmdName] = loadedCursors.size() - 1;
// switch to the null-cursor if our active one is being (re)assigned
if (activeCursorIdx == commandCursorIdx)
SetCursor("none", true);
return true;
}
bool CMouseHandler::ReplaceMouseCursor(
const string& oldName,
const string& newName,
CMouseCursor::HotSpot hotSpot
) {
const auto fileIt = cursorFileMap.find(oldName);
if (fileIt == cursorFileMap.end())
return false;
CMouseCursor newCursor = std::move(CMouseCursor::New(newName, hotSpot));
if (!newCursor.IsValid())
return false; // leave the old one
loadedCursors[fileIt->second] = std::move(newCursor);
// update current cursor if necessary
if (activeCursorIdx == fileIt->second)
SetCursor(cursorText, true);
return true;
}