mfc 窗口控件全屏显示

// 123Dlg.h : header file
//

#pragma once
#include "afxwin.h"

// CMy123Dlg dialog
class CMy123Dlg : public CDialog
{
// Construction
public:
CMy123Dlg(CWnd* pParent = NULL);	// standard constructor

// Dialog Data
enum { IDD = IDD_MY123_DIALOG };

protected:
virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support

BOOL m_bOpen;
//全屏显示
//成员变量
BOOL            m_bFullScreen;     // 全屏标志
CRect           m_FullScreenRect;  // 整个屏幕尺寸
WINDOWPLACEMENT m_OldWndPlacement; // 全屏时对话框的位置属性
WINDOWPLACEMENT m_NewWndPlacement; // 全屏后对话框的位置属性

void OnFullShow();
void NormalShow(void);

// Implementation
protected:
HICON m_hIcon;

// Generated message map functions
virtual BOOL OnInitDialog();
afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
afx_msg void OnPaint();
afx_msg HCURSOR OnQueryDragIcon();
DECLARE_MESSAGE_MAP()
public:
virtual BOOL PreTranslateMessage(MSG* pMsg);
};

// 123Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "123.h"
#include "123Dlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
CAboutDlg();

// Dialog Data
enum { IDD = IDD_ABOUTBOX };

protected:
virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support

// Implementation
protected:
DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
END_MESSAGE_MAP()

// CMy123Dlg dialog

CMy123Dlg::CMy123Dlg(CWnd* pParent /*=NULL*/)
: CDialog(CMy123Dlg::IDD, pParent)
{
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMy123Dlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CMy123Dlg, CDialog)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

// CMy123Dlg message handlers

BOOL CMy123Dlg::OnInitDialog()
{
CDialog::OnInitDialog();

// Add "About..." menu item to system menu.

// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);

CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}

// Set the icon for this dialog.  The framework does this automatically
//  when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE);			// Set big icon
SetIcon(m_hIcon, FALSE);		// Set small icon

// TODO: Add extra initialization here

m_bOpen = TRUE;
m_bFullScreen = FALSE;

GetDlgItem(IDC_SHOW_IMAGE)->MoveWindow(20,20,50,50);

return TRUE;  // return TRUE  unless you set the focus to a control
}

void CMy123Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CMy123Dlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting

SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;

// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}

// The system calls this function to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CMy123Dlg::OnQueryDragIcon()
{
return static_cast<HCURSOR>(m_hIcon);
}

//成员函数
void CMy123Dlg::OnFullShow()
{
// TODO: Add your command handler code here

if ((TRUE == m_bOpen) && (FALSE == m_bFullScreen))
{
m_bFullScreen = TRUE;

//获取普通窗口位置
GetWindowPlacement(&m_OldWndPlacement);
CRect WindowRect;
GetWindowRect(&WindowRect);

//获取各个控制条之外的客户区位置
CRect ClientRect;
RepositionBars(0, 0xffff, AFX_IDW_PANE_FIRST, reposQuery, &ClientRect);
ClientToScreen(&ClientRect);

//获取屏幕的分辨率
int nFullWidth  = GetSystemMetrics(SM_CXSCREEN);
int nFullHeight = GetSystemMetrics(SM_CYSCREEN);

//对话框全屏显示
m_FullScreenRect.left = WindowRect.left - ClientRect.left;
int m_top = WindowRect.top - ClientRect.top;
m_FullScreenRect.top    = m_top;
m_FullScreenRect.right  = WindowRect.right - ClientRect.right + nFullWidth;
m_FullScreenRect.bottom = WindowRect.bottom - ClientRect.bottom + nFullHeight;

//进入全屏显示
m_NewWndPlacement.length           = sizeof(WINDOWPLACEMENT);
m_NewWndPlacement.flags            = 0;
m_NewWndPlacement.showCmd          = SW_SHOWNORMAL;
m_NewWndPlacement.rcNormalPosition = m_FullScreenRect;
SetWindowPlacement(&m_NewWndPlacement);

//Picture控件全屏显示
GetDlgItem(IDC_SHOW_IMAGE)->MoveWindow(0,0,nFullWidth,nFullHeight);
//隐藏控件
//GetDlgItem(IDC_PLAY)->ShowWindow(SW_HIDE);

Invalidate();
}
}

void CMy123Dlg::NormalShow(void)
{
if ((TRUE == m_bOpen) && (TRUE == m_bFullScreen))
{
m_bFullScreen = FALSE;

//恢复默认窗口
SetWindowPlacement(&m_OldWndPlacement);

GetDlgItem(IDC_SHOW_IMAGE)->MoveWindow(20,20,50,50);
//显示控件
//GetDlgItem(IDC_PLAY)->ShowWindow(SW_SHOW);

Invalidate();
}
}

BOOL CMy123Dlg::PreTranslateMessage(MSG *pMsg)
{
if (TRUE == m_bOpen)
{
if (WM_LBUTTONDBLCLK == pMsg->message) // 1 鼠标双击响应
{
//获取鼠标位置
CPoint ptCursor;
GetCursorPos(&ptCursor);

CRect rc;
GetDlgItem(IDC_SHOW_IMAGE)->GetWindowRect(&rc);

//1.1 双击时鼠标位于Picture控件范围内才响应
if (rc.PtInRect(ptCursor))
{
if (FALSE == m_bFullScreen)
{
OnFullShow(); //全屏显示
}
else
{
NormalShow();  //恢复默认显示
}
}
} //end of if (WM_LBUTTONDBLCLK == pMsg->message)
else if (WM_KEYDOWN == pMsg->message) // 2 键盘输入响应
{
// 2.1键盘输入Esc
if (VK_ESCAPE == pMsg->wParam)
{
if (TRUE == m_bFullScreen)
{
NormalShow();  //恢复默认显示
}
}

// 2.2键盘输入Enter
if (VK_RETURN == pMsg->wParam)
{
if (FALSE == m_bFullScreen)
{
OnFullShow(); //全屏显示
}
else
{
NormalShow();  //恢复默认显示
}
}
} //end of if (WM_KEYDOWN == pMsg->message)
} // end of if (TRUE == m_bOpen)

return 0;
}

//成员函数
void CMainFrame::OnFullShow()
{
// TODO: Add your command handler code here

//m_bToolBarWasVisible=(m_wndToolBar.IsWindowVisible()!=0);//隐藏工具栏之前工具栏的显示状态
//m_wndToolBar.ShowWindow(SW_HIDE);//隐藏工具栏

//m_bStatusBarWasVisible=(m_wndStatusBar.IsWindowVisible()!=0);//隐藏状态栏之前状态栏的显示状态
//m_wndStatusBar.ShowWindow(SW_HIDE);//隐藏状态栏

//隐藏菜单栏
SetMenu(NULL);

//// 保存以前的位置信息
//GetWindowRect(&m_mainRect);

// 去除主窗口的标题
LONG style=::GetWindowLong(m_hWnd,GWL_STYLE);
style&=~WS_CAPTION;
::SetWindowLong(m_hWnd,GWL_STYLE,style);

//得到当前系统的分辨率
int screenx=GetSystemMetrics(SM_CXSCREEN);
int screeny=GetSystemMetrics(SM_CYSCREEN);

// 全屏显示
SetWindowPos(NULL,0,0,screenx,screeny,SWP_NOZORDER);

// 设置最大化，就不会显示周围一条蓝边
ShowWindow(SW_MAXIMIZE);

////设置全屏显示标志
//m_bFullScreenMode=true;
}

void CMainFrame::FullScreenModeOff()
{
//恢复窗口标题
LONG style=::GetWindowLong(m_hWnd,GWL_STYLE);
style|=WS_CAPTION;
::SetWindowLong(m_hWnd,GWL_STYLE,style);
//如果需要，显示工具栏
if(m_bToolBarWasVisible)
m_wndToolBar.ShowWindow(SW_SHOW);
//如果需要，显示状态栏
if(m_bStatusBarWasVis
4000
ible)
m_wndStatusBar.ShowWindow(SW_SHOW);
//恢复窗口以前的大小
MoveWindow(&m_mainRect);
//恢复菜单栏
this->SetMenu(&m_menuMainWnd);
//设置全屏显示标志
m_bFullScreenMode=false;
}
void CMainFrame::FullScreenModeSwitch()
{
if(this->m_bFullScreenMode)
{
this->FullScreenModeOff();
}
else
{
this->FullScreenModeOn();
}
}