Win32封装对话框类

[主程序入口.cpp]

#include <windows.h>
#include <tchar.h>
#include "resource.h"
#include "CMyApp.h"

//这个还没用到,就先注释起来
//HINSTANCE m_hInstance;
HWND m_hWnd;
int WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _In_ LPSTR lpCmdLine, _In_ int nShowCmd)
{
	CMyApp* mApp = new CMyApp;
	m_hWnd=mApp->ShowDialog();

	return 0;
}

//对话框父类的声明.h
[CWinDialog.h]
#pragma once
#include <windows.h>
#include <tchar.h>

class CWinDialog
{
public:
	CWinDialog(DWORD _IDD);
	~CWinDialog();

public:
	HWND ShowDialog();
	static INT_PTR CALLBACK WinDlgPrce(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
	INT_PTR CALLBACK MYWinDlgPrce(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
protected:
	DWORD IDD;
	HINSTANCE m_hInstance;
	HWND m_hWnd;
protected:
        //写的是虚函数,在子类去实例化
        //要用的消息就在这理写个虚函数,在子类中实例化,
        //相当于消息映射.
	virtual BOOL OnInitDlg();    //初始化对话框
	virtual BOOL OnRClick(WPARAM wParam, LPARAM lParam);    // 右键弹出菜单
	virtual BOOL OnCommand(WPARAM wParam, LPARAM lParam);   // 右键菜单命令消息
private:
	
};

// 对话框父类的实现.cpp
[CWinDialog.cpp]
#include "CWinDialog.h"

CWinDialog* TheApp;
CWinDialog::CWinDialog(DWORD _IDD)
{
	IDD = _IDD;
	m_hWnd = NULL;
	m_hInstance = ::GetModuleHandleW(NULL);//获得程序的实例句柄
	TheApp = this;
}

CWinDialog::~CWinDialog()
{
	delete TheApp;
	delete m_hInstance;
	delete m_hWnd;

}

//创建和显示对话框
HWND CWinDialog::ShowDialog()
{
	HWND hWnd=::CreateDialog(m_hInstance, (LPCTSTR)IDD, NULL, WinDlgPrce);
	if (!IsWindow(hWnd))
		return 0;
	ShowWindow(hWnd, SW_SHOW);
	UpdateWindow(hWnd);

	MSG msg;
	while (GetMessage(&msg,NULL,0,0))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
	return m_hWnd;
}

INT_PTR CALLBACK CWinDialog::WinDlgPrce(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{		
	TheApp->MYWinDlgPrce(hWnd, uMsg, wParam, lParam);
	return 0;

        // 最开始是用下面这个直接返回,但是在子类继承时用MessageBox弹出对话框,不响应消息.
        //return TheApp->MYWinDlgPrce(hWnd, uMsg, wParam, lParam);
}

//前几天看了个视频,就是讲这个回调函数静态如何调成员函数
//就是用这种另外写一个成员的回调函数,所有的消息函数都写在这里面
//原来的回调函数只相当于傀儡.
INT_PTR CALLBACK CWinDialog::MYWinDlgPrce(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
	m_hWnd = hWnd;

	switch (uMsg)
	{

	case WM_COMMAND:
		OnCommand(wParam, lParam);
		return 1;

	case WM_INITDIALOG:
	{	
		OnInitDlg();
		return 1;
	}
	case WM_CLOSE:
		DestroyWindow(hWnd);
		return 0;

	case WM_DESTROY:
		PostQuitMessage(0);
		return 0;

	case WM_CONTEXTMENU:
		OnRClick(wParam,lParam);
		return 1;
	
	}
	return DefWindowProc(hWnd, uMsg, wParam, lParam);
}

BOOL CWinDialog::OnInitDlg()
{
	return TRUE;
}

BOOL CWinDialog::OnRClick(WPARAM wParam, LPARAM lParam)
{
	return TRUE;
}

BOOL CWinDialog::OnCommand(WPARAM wParam, LPARAM lParam)
{
	return TRUE;
}

//子类的声明文件.h
[CMyApp.h]
#pragma once
#include "CWinDialog.h"
#include "resource.h"

class CMyApp :
	public CWinDialog
{
public:
	CMyApp();
	~CMyApp();
protected:
	HWND hList;
private:

　　　　 int InsertColumn(HWND hList, UINT nCol, LPCTSTR ColName, WORD ColFmtDaty,UINT ColWith);
	int InsertItem(HWND hList, int nItem, LPCTSTR lpszText);
	BOOL SetItemText(HWND hList, int nItem, int nSubItem, LPCTSTR lpszText);

public:
　　　　//下面是对父类虚函数实例化
	BOOL OnInitDlg();
	//BOOL OnNotify(WPARAM wParam, LPARAM lParam);	
	BOOL OnRClick(WPARAM wParam, LPARAM lParam);
	BOOL OnCommand(WPARAM wParam, LPARAM lParam);
};


//子类的实现
[CMyApp.cpp]
#include "CMyApp.h"
#include <commctrl.h>
//#include <minwindef.h>

CMyApp::CMyApp() :CWinDialog::CWinDialog(IDD_DIALOG1)
{
	hList = NULL;
}

CMyApp::~CMyApp()
{
}

BOOL CMyApp::OnInitDlg()
{
	hList = ::GetDlgItem(m_hWnd, IDC_LIST1);
	SendMessage(hList, LVM_SETEXTENDEDLISTVIEWSTYLE, 0, LVS_EX_GRIDLINES | LVS_EX_FULLROWSELECT);
	RECT rt;
	::GetClientRect(hList, &rt);
	int nListColWith = rt.right - 20;

	//设置列标题
	InsertColumn(hList, 0, L"ID", LVCFMT_LEFT, (int)(0.2*nListColWith));
	InsertColumn(hList, 1, L"Name", LVCFMT_LEFT, (int)(0.2*nListColWith));
	InsertColumn(hList, 2, L"Sex", LVCFMT_LEFT, (int)(0.1*nListColWith));
	InsertColumn(hList, 3, L"Age", LVCFMT_LEFT, (int)(0.1*nListColWith));
	InsertColumn(hList, 4, L"Tel", LVCFMT_LEFT, (int)(0.4*nListColWith));

	//插入项数据
	InsertItem(hList, 0, L"001");
	SetItemText(hList, 0, 1, L"赵红梅");
	SetItemText(hList, 0, 2, L"女");
	SetItemText(hList, 0, 3, L"40");
	SetItemText(hList, 0, 4, L"132001");

	InsertItem(hList, 1, L"002");
	SetItemText(hList, 1, 1, L"叶伟");
	SetItemText(hList, 1, 2, L"男");
	SetItemText(hList, 1, 3, L"40");
	SetItemText(hList, 1, 4, L"132002");

	return TRUE;
}



int CMyApp::InsertColumn(HWND hList, UINT nCol, LPCTSTR ColName, WORD ColFmtDaty, UINT ColWith)
{
	LVCOLUMN col = { 0 };
	col.cchTextMax = 256;
	col.mask = LVCF_TEXT | LVCF_WIDTH | LVCF_FMT;
	col.fmt = LVCFMT_LEFT;
	col.cx = ColWith;
	col.pszText =(LPTSTR) ColName;
	col.iSubItem = nCol;
	return (int)SendMessage(hList, LVM_INSERTCOLUMN, nCol, (LPARAM)&col);
}

int CMyApp::InsertItem(HWND hList, int nItem, LPCTSTR lpszText)
{
	LVITEM item = { 0 };
	item.mask = LVCF_TEXT | LVCF_FMT;
	item.iItem = nItem;
	item.iSubItem = 0;
	item.pszText = (LPTSTR)lpszText;

	return(int)SendMessage(hList, LVM_INSERTITEM, 0, (LPARAM)&item);
}

BOOL CMyApp::SetItemText(HWND hList, int nItem, int nSubItem, LPCTSTR lpszText)
{
	LVITEM lvi = { 0 };
	lvi.iSubItem = nSubItem;
	lvi.pszText = (LPTSTR)lpszText;
	return (BOOL)SendMessage(hList, LVM_SETITEMTEXT, nItem, (LPARAM)&lvi);
}

BOOL CMyApp::OnRClick(WPARAM wParam, LPARAM lParam)
{
	if ((HWND)wParam == hList)
	{
		HMENU hMenu = LoadMenu(m_hInstance, LPCWSTR(IDR_MENU1));
		HMENU hSubMenu = GetSubMenu(hMenu, 0);
		POINT pt;
		pt.y = HIWORD(lParam);
		pt.x = LOWORD(lParam);

		TrackPopupMenu(hSubMenu, TPM_LEFTBUTTON | TPM_RIGHTBUTTON | TPM_TOPALIGN,
			pt.x, pt.y,0, m_hWnd, NULL);

		DestroyMenu(hMenu);
	}
	return TRUE;
}

BOOL CMyApp::OnCommand(WPARAM wParam, LPARAM lParam)
{
	
	switch (LOWORD(wParam))
	{

	case ID_POPUMENU_ADD:　　//菜单添加消息
	{
		MessageBox(m_hWnd, L"添加", L"菜单项提示", MB_OK);
		return 1;
	}
	case I_POPUMENU_DEL:　　//菜单删除消息
　　　　　　break:

//....其他菜单命令消息

	}

	return 0;
}