zhipuzi_pos_windows/zhipuzi_pos_windows/wnd/CVirtualKeyboardWnd.h

#pragma once

#include "../pch/pch.h"
#include "CMainWnd.h"

class CVirtualKeyboardWnd : public WindowImplBase
{
public:
	CVirtualKeyboardWnd();
	~CVirtualKeyboardWnd() override;

	// 基类虚函数
	virtual LPCTSTR GetWindowClassName() const override
	{
		return _T("VirtualKeyboardWnd");
	}
	virtual UINT GetClassStyle() const override
	{
		return CS_DBLCLKS;
	}
	virtual void OnFinalMessage(HWND hWnd) override
	{
		delete this;
	}
	virtual LRESULT HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam) override
	{
		if (uMsg == WM_MOUSEACTIVATE)
		{
			// 鼠标点击键盘时不激活窗口，返回 MA_NOACTIVATE
			return MA_NOACTIVATE;
		}
		if (uMsg == WM_ACTIVATE)
		{
			// 拦截激活消息，不执行默认逻辑
			return 0;
		}
		return __super::HandleMessage(uMsg, wParam, lParam);
	}
	virtual CDuiString GetSkinFile() override
	{
		return _T("virtual_keyboard.xml");
	}
	CDuiString GetSkinFolder()
	{
		return _T("");
	}

	virtual void InitWindow() override;
	virtual void Notify(TNotifyUI& msg) override;

private:
	// 核心：模拟键盘按键
	void SimulateKeyPress(TCHAR ch);
	void SimulateSpecialKey(int vkCode);
	void SimulateShiftPress(bool bPress);

	// 辅助功能
	void ToggleShift();
	void ToggleCtrl();
	void SwitchNumSymbolLayout();
	void UpdateLetterButtonsText();
	void UpdateModifierButtonsState();
	void UpdateTargetWindow();
	HWND GetTargetWindow();
	void RestoreTargetWindow();
	void OpenHandwritingPanel();

private:
	bool m_bIsShiftDown;       // Shift是否按下
	bool m_bIsCtrlDown;        // Ctrl是否按下
	bool m_bIsNumSymbol;       // 数字/符号布局状态
	HWND m_hTargetWnd;         // 当前输入目标
};

// 外部创建接口
HWND CreateVirtualKeyboard();