基于WINDOWS 32API封装的显示器类: (1) 头文件

 1/************************************************************************
 2  @file monitor.h
 3  * Author: qinqing
 4  * Date:   2009-12-2
 5************************************************************************/
 6
 7#ifndef _MONITOR_H
 8
 9#if WINVER < 0x0500
10#include <multimon.h>
11#endif
12#include "..\common\tstring.h"
13#include "..\common\macro.h"
14#include <map>
15
16/**
17  @brief 显示器类
18  @class CMonitor
19*/
20class CMonitor
21{
22    friend class CMonitorManager;
23public:
24    void   GetMonitorRect(RECT& rect) const;
25    void   GetWorkAreaRect(RECT& rect) const;
26    DWORD  GetPixelWidth() const;
27    DWORD  GetPixelHeight() const;
28    DWORD  GetBitsPerPixel() const;
29    DWORD  GetMonitorLeft() const;
30    DWORD  GetMonitorTop() const;
31    DWORD  GetDisplayFrequency() const;
32    bool   IsPrimaryMonitor() const;
33  tstring GetName() const { return m_strName; }
34  DWORD GetIndex() const { return m_dwIndex; }
35  operator HMONITOR() const { return m_hMonitor; }
36   
37protected:
38    void CenterRectToMonitor(LPRECT lprc, bool bWorkArea= false) const;
39
40private:
41    CMonitor(HMONITOR hMonitor, DWORD dwIndex);
42
43private:
44  HMONITOR m_hMonitor; /**////< 显示器句柄
45    DWORD    m_dwIndex;  ///< 显示器索引
46    tstring  m_strName;  ///< 显示器名称
47};
48
49/**
50  @brief 显示器管理类
51  @class CMonitorManager
52  * 仅支持多屏独立显示模式(每个显示器分辨率是独立的),其它模式(大水平,大垂直,复制)暂不考虑
53*/
54class CMonitorManager
55{
56    SINGLETON_DECLARE(CMonitorManager) ///< 单件声明宏
57
58public:
59    DWORD     GetCount();
60    CMonitor* GetMonitor(DWORD dwIndex);
61    CMonitor* GetPrimaryMonitor();
62    CMonitor* GetNearestMonitor(const RECT& rect);
63    CMonitor* GetNearestMonitor(const POINT& pt);
64    CMonitor* GetNearestMonitor(HWND hWnd);
65  
66public:
67    static void GetVirtualDesktopRect(RECT& rect);
68    bool FullScreenWindow(HWND hWnd, bool bFullScreen, int iMonitorIndex = 0);
69    bool FullScreenWindow(HWND hWndFirst, HWND hWndSecond);
70    void CenterWindow(HWND hWnd, int iMonitorIndex = 0, bool bUseWorkArea = false);
71
72protected:
73    static BOOL CALLBACK AddMonitorsCallBack(HMONITOR hMonitor,HDC hdcMonitor,LPRECT lprcMonitor,
74           LPARAM dwData);
75
76private:
77    void      CenterWindowToAll(RECT& rect, bool bUseWorkArea = false);
78    void      UpdateMonitors();
79    CMonitor* FindMonitor(HMONITOR hMonitor);
80    void      FreeMonitors();
81
82private:
83    struct WndInfo
84    {
85        WndInfo(lo