LRESULT CALLBACK EditBoxWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_KEYDOWN:
{
if (LOWORD(wParam) == VK_RETURN)
{
if (serverConnection)
{
static char buf[50000];
SendMessage(editBoxHwnd, WM_GETTEXT, sizeof buf, reinterpret_cast<LPARAM>(buf));
buf[(sizeof buf) - 1] = '\0';
commandHistory.push_back(buf);
currentCommandHistoryPos = commandHistory.end();
Words words;
tokenize(buf, words);
serverConnection->sendRequest(words);
SendMessage(editBoxHwnd, WM_SETTEXT, 0, reinterpret_cast<LPARAM>(""));
}
return TRUE;
}
else if (LOWORD(wParam) == VK_UP)
{
if (currentCommandHistoryPos != commandHistory.begin())
{
currentCommandHistoryPos--;
const char* command = currentCommandHistoryPos->c_str();
SendMessage(editBoxHwnd, WM_SETTEXT, 0, reinterpret_cast<LPARAM>(command));
size_t commandLength = strlen(command);
SendMessage(editBoxHwnd, EM_SETSEL, commandLength, commandLength);
}
return TRUE;
}
else if (LOWORD(wParam) == VK_DOWN)
{
if (currentCommandHistoryPos != commandHistory.end())
{
currentCommandHistoryPos++;
const char* command = (currentCommandHistoryPos != commandHistory.end()) ? currentCommandHistoryPos->c_str() : "";
SendMessage(editBoxHwnd, WM_SETTEXT, 0, reinterpret_cast<LPARAM>(command));
size_t commandLength = strlen(command);
SendMessage(editBoxHwnd, EM_SETSEL, commandLength, commandLength);
}
return TRUE;
}
}
break;
}
return CallWindowProc(editBoxOriginalWndProc, hWnd, message, wParam, lParam);
}
