可移动窗口

基于VS2013+WTL9.1实现

// MoveableWindowView.h : interface of the CMoveableWindowView class///////////////////////////////////////////////////////////////////////////////#pragma once#include "MyWindow.h"#include <GdiPlus.h>using namespace Gdiplus;class CMoveableWindowView : public CWindowImpl<CMoveableWindowView>, public CDoubleBufferImpl<CMoveableWindowView>{public:DECLARE_WND_CLASS(NULL)CMoveableWindowView();~CMoveableWindowView();BOOL PreTranslateMessage(MSG* pMsg);BEGIN_MSG_MAP(CMoveableWindowView)//MESSAGE_HANDLER(WM_PAINT, OnPaint)CHAIN_MSG_MAP(CDoubleBufferImpl<CMoveableWindowView>)MESSAGE_HANDLER(WM_LBUTTONDOWN, OnLButtonDown)MESSAGE_HANDLER(WM_LBUTTONUP, OnLButtonUp)MESSAGE_HANDLER(WM_MOUSEMOVE, OnMouseMove)MESSAGE_HANDLER(WM_SETCURSOR, OnCurosr)END_MSG_MAP()//  Handler prototypes (uncomment arguments if needed)://LRESULT MessageHandler(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)//LRESULT CommandHandler(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)//LRESULT NotifyHandler(int /*idCtrl*/, LPNMHDR /*pnmh*/, BOOL& /*bHandled*/)//LRESULT OnPaint(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/);LRESULT OnLButtonDown(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);LRESULT OnLButtonUp(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);LRESULT OnMouseMove(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);LRESULT OnCurosr(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);void DoPaint(CDCHandle dc);//解决绘图频闪void setColor(int pen, int panel);private:GdiplusStartupInput gGdiInput;//gdi+ULONG token;//gdi+CMyWindow myWindow;//自定义窗口类Point pushedPos;//记录鼠标的上一个按下位置Point curPos;//鼠标当前位置bool flag;//标记鼠标左键是否按下Color penColor;//画笔颜色Color panelColor;//画刷颜色};

// MoveableWindowView.cpp : implementation of the CMoveableWindowView class///////////////////////////////////////////////////////////////////////////////#include "stdafx.h"#include "resource.h"#include "MoveableWindowView.h"#include <atlstr.h>#include <atltypes.h>#pragma comment(lib, "GdiPlus.lib")CMoveableWindowView::CMoveableWindowView() : myWindow(1, 60, 100, 100, 400, 400){token = 0;flag = false;pushedPos.X = 0;pushedPos.Y = 0;curPos.X = 0;curPos.Y = 0;GdiplusStartup(&token, &gGdiInput, NULL);}BOOL CMoveableWindowView::PreTranslateMessage(MSG* pMsg){pMsg;return FALSE;}void CMoveableWindowView::DoPaint(CDCHandle dc){CRect rectClient;GetClientRect(&rectClient);//设置窗口背景色为白色dc.FillSolidRect(rectClient, RGB(255, 255, 255));Graphics g(dc.m_hDC);Pen pen(Color(255, 0, 0, 255), 2.0f);Rect rectDraw(myWindow.getLeft(), myWindow.getTop(), myWindow.getWidth(), myWindow.getHeight());g.DrawRectangle(&pen, rectDraw);g.DrawLine(&pen, myWindow.getLeft(), myWindow.getTop() + myWindow.getTHeight(), myWindow.getLeft() + myWindow.getWidth(), myWindow.getTop() + myWindow.getTHeight());}LRESULT CMoveableWindowView::OnLButtonDown(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled){/***  鼠标左击测试CString str;str.Format(TEXT("%d:%d"), GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));MessageBox(str, TEXT("点击测试"));*/flag = true;pushedPos.X = GET_X_LPARAM(lParam);pushedPos.Y = GET_Y_LPARAM(lParam);myWindow.onPress(pushedPos.X, pushedPos.Y);return TRUE;}LRESULT CMoveableWindowView::OnMouseMove(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled){curPos.X = GET_X_LPARAM(lParam);curPos.Y = GET_Y_LPARAM(lParam);//鼠标左键已按下if (wParam & MK_LBUTTON){RECT rect;rect.left = myWindow.getLeft();rect.top = myWindow.getTop();rect.right = myWindow.getLeft() + myWindow.getWidth();rect.bottom = myWindow.getTop() + myWindow.getHeight();myWindow.onMove(curPos.X - pushedPos.X, curPos.Y - pushedPos.Y);//闪瞎狗眼InvalidateRect(NULL, true);pushedPos.X = curPos.X;pushedPos.Y = curPos.Y;}return TRUE;}LRESULT CMoveableWindowView::OnLButtonUp(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled){flag = false;curPos.X = GET_X_LPARAM(lParam);curPos.Y = GET_Y_LPARAM(lParam);pushedPos.X = 0;pushedPos.Y = 0;myWindow.onRelease(curPos.X, curPos.Y);SetCursor(LoadCursor(NULL, IDC_ARROW));return TRUE;}LRESULT CMoveableWindowView::OnCurosr(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled){//鼠标左键按下则不再去更改鼠标外形if (flag){return FALSE;}int flag = myWindow.checkPos(curPos.X, curPos.Y);switch (flag){case CMyWindow::OTHER:SetCursor(LoadCursor(NULL, IDC_ARROW));break;case CMyWindow::TITLE:SetCursor(LoadCursor(NULL, IDC_HAND));break;case CMyWindow::TOP:case CMyWindow::BOTTOM:SetCursor(LoadCursor(NULL, IDC_SIZENS));break;case CMyWindow::LEFT:case CMyWindow::RIGHT:SetCursor(LoadCursor(NULL, IDC_SIZEWE));break;}return TRUE;}CMoveableWindowView::~CMoveableWindowView(){GdiplusShutdown(token);}

相比于MFC，WTL还是很清晰的，至少可以知道自己在做什么。

虽然得自己手写消息映射=。=

完整代码：

http://img.ask.csdn.net/upload/201610/16/1476620294_424880.png

改为RAR即可打开