static std::string getTextFromBuffer(const ZLUnicodeUtil::Ucs2String &buffer) {
ZLUnicodeUtil::Ucs2String copy = buffer;
copy.pop_back();
std::string txt;
ZLUnicodeUtil::ucs2ToUtf8(txt, copy);
return txt;
}
LRESULT CALLBACK ZLWin32ApplicationWindow::TextEditParameter::ComboBoxCallback(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
TextEditParameter ¶meter =
*(TextEditParameter*)GetWindowLong(hWnd, GWL_USERDATA);
if ((uMsg == WM_COMMAND) && (HIWORD(wParam) == CBN_SELCHANGE)) {
HWND comboBox = parameter.myComboBox;
const int index = SendMessage(comboBox, CB_GETCURSEL, 0, 0);
const int length = SendMessage(comboBox, CB_GETLBTEXTLEN, index, 0);
ZLUnicodeUtil::Ucs2String buffer;
if (length > 0) {
buffer.assign(length + 1, '\0');
SendMessage(comboBox, CB_GETLBTEXT, index, (LPARAM)&buffer.front());
buffer.pop_back();
}
std::string value;
ZLUnicodeUtil::ucs2ToUtf8(value, buffer);
parameter.setValue(value);
parameter.myApplication.doAction(parameter.myParameterItem.actionId());
SetFocus(parameter.myMainWindow);
}
WndProc orig = parameter.myOriginalComboBoxCallback;
return orig(hWnd, uMsg, wParam, lParam);
}
std::string ZLWin32ApplicationWindow::TextEditParameter::internalValue() const {
int len = GetWindowTextLengthW(myComboBox);
if (len == 0) {
return "";
}
static ZLUnicodeUtil::Ucs2String buffer;
buffer.assign(len + 1, '\0');
GetWindowTextW(myComboBox, (WCHAR*)::wchar(buffer), len + 1);
buffer.pop_back();
std::string text;
ZLUnicodeUtil::ucs2ToUtf8(text, buffer);
return text;
}