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|
// Win32++ Version 7.2
// Released: 5th AUgust 2011
//
// David Nash
// email: dnash@bigpond.net.au
// url: https://sourceforge.net/projects/win32-framework
//
//
// Copyright (c) 2005-2011 David Nash
//
// Permission is hereby granted, free of charge, to
// any person obtaining a copy of this software and
// associated documentation files (the "Software"),
// to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify,
// merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom
// the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice
// shall be included in all copies or substantial portions
// of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
// ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
// SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
// ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
//
////////////////////////////////////////////////////////
///////////////////////////////////////////////////////
// wincore.h
// Declaration of the following classes:
// CWinApp, CWnd, CWinException, CCriticalSection,
// CPoint, CRect, and CSize
//
// This file contains the declarations for the core set of classes required to
// create simple windows using Win32++.
//
// 1) CCriticalSection: This class is used internally to manage thread access
// to shared resources. You can also use this class to lock and
// release your own critical sections.
//
// 2) CWinException: This class is used internally by Win32++ to handle
// exceptions. You can also use it to throw and catch exceptions.
//
// 3) WinApp: This class is used start Win32++ and run the message loop. You
// should inherit from this class to start Win32++ in your own
// application.
//
// 4) CWnd: This class is used to represent a window. It provides a means
// of creating the window, and handling its messages. Inherit
// from this class to define and control windows.
//
//
// Note: This header file (or another Win32++ header file which includes it)
// should be included before all other header files. It sets some
// important macros which need to be set before including Windows.h
// Including this file first also allows it to disable some pointless
// warning messages (see below).
#ifndef _WIN32XX_WINCORE_H_
#define _WIN32XX_WINCORE_H_
// Remove pointless warning messages
#ifdef _MSC_VER
#pragma warning (disable : 4996) // function or variable may be unsafe (deprecated)
#ifndef _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_WARNINGS // eliminate deprecation warnings for VS2005/VS2010
#endif
#if _MSC_VER < 1500
#pragma warning (disable : 4511) // copy operator could not be generated
#pragma warning (disable : 4512) // assignment operator could not be generated
#pragma warning (disable : 4702) // unreachable code (bugs in Microsoft's STL)
#pragma warning (disable : 4786) // identifier was truncated
#endif
#endif
#ifdef __BORLANDC__
#pragma option -w-8019 // code has no effect
#pragma option -w-8026 // functions with exception specifiations are not expanded inline
#pragma option -w-8027 // function not expanded inline
#define STRICT 1
#endif
#ifdef __GNUC__
#pragma GCC diagnostic ignored "-Wmissing-braces"
#pragma GCC diagnostic ignored "-Wunused-value"
#endif
#ifdef _WIN32_WCE
#include "wcestddef.h"
#endif
#define _WINSOCKAPI_ // Prevent winsock.h #include's.
#include <assert.h>
#include <vector>
#include <algorithm>
#include <string>
#include <map>
#include <windows.h>
#include <commctrl.h>
#include <stdio.h>
#include <tchar.h>
#include <shlwapi.h>
#include "shared_ptr.h"
//#include "winutils.h" // included later in this file
//#include "cstring.h" // included later in this file
//#include "gdi.h" // included later in this file
//#include "menu.h" // included later in this file
// For compilers lacking Win64 support
#ifndef GetWindowLongPtr
#define GetWindowLongPtr GetWindowLong
#define SetWindowLongPtr SetWindowLong
#define GWLP_WNDPROC GWL_WNDPROC
#define GWLP_HINSTANCE GWL_HINSTANCE
#define GWLP_ID GWL_ID
#define GWLP_USERDATA GWL_USERDATA
#define DWLP_DLGPROC DWL_DLGPROC
#define DWLP_MSGRESULT DWL_MSGRESULT
#define DWLP_USER DWL_USER
#define DWORD_PTR DWORD
#define LONG_PTR LONG
#define ULONG_PTR LONG
#endif
#ifndef GetClassLongPtr
#define GetClassLongPtr GetClassLong
#define SetClassLongPtr SetClassLong
#define GCLP_HBRBACKGROUND GCL_HBRBACKGROUND
#define GCLP_HCURSOR GCL_HCURSOR
#define GCLP_HICON GCL_HICON
#define GCLP_HICONSM GCL_HICONSM
#define GCLP_HMODULE GCL_HMODULE
#define GCLP_MENUNAME GCL_MENUNAME
#define GCLP_WNDPROC GCL_WNDPROC
#endif
// Messages defined by Win32++
#define UWM_POPUPMENU (WM_APP + 1) // Message - creates the menubar popup menu
#define UWM_DOCK_START (WM_APP + 2) // Notification - about to start undocking
#define UWM_DOCK_MOVE (WM_APP + 3) // Notification - undocked docker is being moved
#define UWM_DOCK_END (WM_APP + 4) // Notification - docker has been docked
#define UWM_BAR_START (WM_APP + 5) // Notification - docker bar selected for move
#define UWM_BAR_MOVE (WM_APP + 6) // Notification - docker bar moved
#define UWM_BAR_END (WM_APP + 7) // Notification - end of docker bar move
#define UWM_UNDOCKED (WM_APP + 8) // Notification - sent by docker when undocked
#define UWM_FRAMELOSTFOCUS (WM_APP + 9) // Notification - sent by frame to view window when focus lost
#define UWM_FRAMEGOTFOCUS (WM_APP + 10) // Notification - sent by frame to view window when focus acquired
#define UWM_DOCK_DESTROYED (WM_APP + 11) // Message - posted when docker is destroyed
#define UWM_TAB_CHANGED (WM_APP + 12) // Notification - tab layout changed
#define UWM_TOOLBAR_RESIZE (WM_APP + 13) // Message - sent by toolbar to parent. Used by the rebar
#define UWM_UPDATE_COMMAND (WM_APP + 14) // Message - sent before a menu is displayed. Used by OnUpdate
#define UWM_DOCK_ACTIVATED (WM_APP + 15) // Message - sent to dock ancestor when a docker is activated or deactivated.
#define UWM_GETMENUTHEME (WM_APP + 16) // Message - returns a pointer to MenuTheme
#define UWM_GETREBARTHEME (WM_APP + 17) // Message - returns a pointer to CToolBar
#define UWM_GETTOOLBARTHEME (WM_APP + 18) // Message - returns a pointer to ToolBarTheme
#define UWM_CLEANUPTEMPS (WM_APP + 19) // Message - posted to cleanup temporary CDCs
// Automatically include the Win32xx namespace
// define NO_USING_NAMESPACE to skip this step
namespace Win32xx {}
#ifndef NO_USING_NAMESPACE
using namespace Win32xx;
#endif
// Required for WinCE
#ifndef TLS_OUT_OF_INDEXES
#define TLS_OUT_OF_INDEXES ((DWORD_PTR) -1)
#endif
#ifndef WM_PARENTNOTIFY
#define WM_PARENTNOTIFY 0x0210
#endif
namespace Win32xx
{
////////////////////////////////////////////////
// Forward declarations.
// These classes are defined later or elsewhere
class CDC;
class CGDIObject;
class CMenu;
class CWinApp;
class CWnd;
class CBitmap;
class CBrush;
class CFont;
class CPalette;
class CPen;
class CRgn;
// tString is a TCHAR std::string
typedef std::basic_string<TCHAR> tString;
// tStringStream is a TCHAR std::stringstream
typedef std::basic_stringstream<TCHAR> tStringStream;
// Some useful smart pointers
typedef Shared_Ptr<CDC> DCPtr;
typedef Shared_Ptr<CGDIObject> GDIPtr;
typedef Shared_Ptr<CMenu> MenuPtr;
typedef Shared_Ptr<CWnd> WndPtr;
typedef Shared_Ptr<CBitmap> BitmapPtr;
typedef Shared_Ptr<CBrush> BrushPtr;
typedef Shared_Ptr<CFont> FontPtr;
typedef Shared_Ptr<CPalette> PalettePtr;
typedef Shared_Ptr<CPen> PenPtr;
typedef Shared_Ptr<CRgn> RgnPtr;
enum Constants // Defines the maximum size for TCHAR strings
{
MAX_MENU_STRING = 80,
MAX_STRING_SIZE = 255,
};
struct CompareHDC // The comparison function object used by CWinApp::m_mapHDC
{
bool operator()(HDC const a, const HDC b) const
{return ((DWORD_PTR)a < (DWORD_PTR)b);}
};
struct CompareGDI // The comparison function object used by CWinApp::m_mapGDI
{
bool operator()(HGDIOBJ const a, const HGDIOBJ b) const
{return ((DWORD_PTR)a < (DWORD_PTR)b);}
};
struct CompareHMENU // The comparison function object used by CWinApp::m_mapHMENU
{
bool operator()(HMENU const a, const HMENU b) const
{return ((DWORD_PTR)a < (DWORD_PTR)b);}
};
struct CompareHWND // The comparison function object used by CWinApp::m_mapHWND
{
bool operator()(HWND const a, const HWND b) const
{return ((DWORD_PTR)a < (DWORD_PTR)b);}
};
struct TLSData // Used for Thread Local Storage (TLS)
{
CWnd* pCWnd; // pointer to CWnd object for Window creation
CWnd* pMenuBar; // pointer to CMenuBar object used for the WH_MSGFILTER hook
HHOOK hHook; // WH_MSGFILTER hook for CMenuBar and Modeless Dialogs
std::vector<DCPtr> vTmpDCs; // A vector of temporary CDC pointers
std::vector<GDIPtr> vTmpGDIs; // A vector of temporary CGDIObject pointers
std::vector<WndPtr> vTmpWnds; // A vector of temporary CWnd pointers
TLSData() : pCWnd(0), pMenuBar(0), hHook(0) {}
#ifndef _WIN32_WCE
std::vector<MenuPtr> vTmpMenus; // A vector of temporary CMenu pointers
#endif
};
/////////////////////////////////////////
// Declarations for the CCriticalSection class
// This class is used for thread synchronisation
class CCriticalSection
{
public:
CCriticalSection() { ::InitializeCriticalSection(&m_cs); }
~CCriticalSection() { ::DeleteCriticalSection(&m_cs); }
void Lock() { ::EnterCriticalSection(&m_cs); }
void Release() { ::LeaveCriticalSection(&m_cs); }
private:
CCriticalSection ( const CCriticalSection& );
CCriticalSection& operator = ( const CCriticalSection& );
CRITICAL_SECTION m_cs;
};
////////////////////////////////////////
// Declaration of the CWinException class
//
// Note: Each function guarantees not to throw an exception
class CWinException : public std::exception
{
public:
CWinException(LPCTSTR pszText) throw ();
~CWinException() throw() {}
DWORD GetError() const throw ();
LPCTSTR GetErrorString() const throw ();
const char * what () const throw ();
private:
DWORD m_Error;
LPCTSTR m_pszText;
TCHAR m_szErrorString[MAX_STRING_SIZE];
};
///////////////////////////////////
// Declaration of the CWinApp class
//
class CWinApp
{
// Provide these access to CWinApp's private members:
friend class CDC;
friend class CDialog;
friend class CGDIObject;
friend class CMenu;
friend class CMenuBar;
friend class CPropertyPage;
friend class CPropertySheet;
friend class CTaskDialog;
friend class CWnd;
friend CWinApp* GetApp();
friend CGDIObject* FromHandle(HGDIOBJ hObject);
friend CBitmap* FromHandle(HBITMAP hBitmap);
friend CBrush* FromHandle(HBRUSH hBrush);
friend CFont* FromHandle(HFONT hFont);
friend CPalette* FromHandle(HPALETTE hPalette);
friend CPen* FromHandle(HPEN hPen);
friend CRgn* FromHandle(HRGN hRgn);
friend CDC* FromHandle(HDC hDC);
friend CWnd* FromHandle(HWND hWnd);
#ifndef _WIN32_WCE
friend CMenu* FromHandle(HMENU hMenu);
#endif
typedef Shared_Ptr<TLSData> TLSDataPtr;
public:
CWinApp();
virtual ~CWinApp();
HACCEL GetAccelerators() const { return m_hAccel; }
HINSTANCE GetInstanceHandle() const { return m_hInstance; }
HINSTANCE GetResourceHandle() const { return (m_hResource ? m_hResource : m_hInstance); }
void SetAccelerators(HACCEL hAccel, CWnd* pWndAccel);
void SetResourceHandle(HINSTANCE hResource);
// These are the functions you might wish to override
virtual BOOL InitInstance();
virtual int MessageLoop();
virtual int Run();
protected:
virtual BOOL OnIdle(LONG lCount);
virtual BOOL PreTranslateMessage(MSG Msg);
private:
CWinApp(const CWinApp&); // Disable copy construction
CWinApp& operator = (const CWinApp&); // Disable assignment operator
CDC* GetCDCFromMap(HDC hDC);
CGDIObject* GetCGDIObjectFromMap(HGDIOBJ hObject);
CMenu* GetCMenuFromMap(HMENU hMenu);
CWnd* GetCWndFromMap(HWND hWnd);
void AddTmpDC(CDC* pDC);
void AddTmpGDI(CGDIObject* pObject);
CMenu* AddTmpMenu(HMENU hMenu);
CWnd* AddTmpWnd(HWND hWnd);
void CleanupTemps();
DWORD GetTlsIndex() const {return m_dwTlsIndex;}
void SetCallback();
TLSData* SetTlsIndex();
static CWinApp* SetnGetThis(CWinApp* pThis = 0);
std::map<HDC, CDC*, CompareHDC> m_mapHDC; // maps device context handles to CDC objects
std::map<HGDIOBJ, CGDIObject*, CompareGDI> m_mapGDI; // maps GDI handles to CGDIObjects.
std::map<HMENU, CMenu*, CompareHMENU> m_mapHMENU; // maps menu handles to CMenu objects
std::map<HWND, CWnd*, CompareHWND> m_mapHWND; // maps window handles to CWnd objects
std::vector<TLSDataPtr> m_vTLSData; // vector of TLSData smart pointers, one for each thread
CCriticalSection m_csMapLock; // thread synchronisation for m_mapHWND
CCriticalSection m_csTLSLock; // thread synchronisation for m_vTLSData
CCriticalSection m_csAppStart; // thread synchronisation for application startup
HINSTANCE m_hInstance; // handle to the applications instance
HINSTANCE m_hResource; // handle to the applications resources
DWORD m_dwTlsIndex; // Thread Local Storage index
WNDPROC m_Callback; // callback address of CWnd::StaticWndowProc
HACCEL m_hAccel; // handle to the accelerator table
CWnd* m_pWndAccel; // handle to the window for accelerator keys
};
}
#include "winutils.h"
#include "cstring.h"
namespace Win32xx
{
////////////////////////////////
// Declaration of the CWnd class
//
class CWnd
{
friend class CMDIChild;
friend class CDialog;
friend class CPropertyPage;
friend class CTaskDialog;
friend class CWinApp;
public:
CWnd(); // Constructor
virtual ~CWnd(); // Destructor
// These virtual functions can be overridden
virtual BOOL Attach(HWND hWnd);
virtual BOOL AttachDlgItem(UINT nID, CWnd* pParent);
virtual void CenterWindow() const;
virtual HWND Create(CWnd* pParent = NULL);
virtual HWND CreateEx(DWORD dwExStyle, LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, int x, int y, int nWidth, int nHeight, CWnd* pParent, CMenu* pMenu, LPVOID lpParam = NULL);
virtual HWND CreateEx(DWORD dwExStyle, LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, const RECT& rc, CWnd* pParent, CMenu* pMenu, LPVOID lpParam = NULL);
virtual void Destroy();
virtual HWND Detach();
virtual HICON SetIconLarge(int nIcon);
virtual HICON SetIconSmall(int nIcon);
// Attributes
HWND GetHwnd() const { return m_hWnd; }
WNDPROC GetPrevWindowProc() const { return m_PrevWindowProc; }
// Wrappers for Win32 API functions
// These functions aren't virtual, and shouldn't be overridden
CDC* BeginPaint(PAINTSTRUCT& ps) const;
BOOL BringWindowToTop() const;
LRESULT CallWindowProc(WNDPROC lpPrevWndFunc, UINT Msg, WPARAM wParam, LPARAM lParam) const;
BOOL CheckDlgButton(int nIDButton, UINT uCheck) const;
BOOL CheckRadioButton(int nIDFirstButton, int nIDLastButton, int nIDCheckButton) const;
CWnd* ChildWindowFromPoint(POINT pt) const;
BOOL ClientToScreen(POINT& pt) const;
BOOL ClientToScreen(RECT& rc) const;
LRESULT DefWindowProc(UINT uMsg, WPARAM wParam, LPARAM lParam) const;
HDWP DeferWindowPos(HDWP hWinPosInfo, HWND hWndInsertAfter, int x, int y, int cx, int cy, UINT uFlags) const;
HDWP DeferWindowPos(HDWP hWinPosInfo, HWND hWndInsertAfter, const RECT& rc, UINT uFlags) const;
BOOL DrawMenuBar() const;
BOOL EnableWindow(BOOL bEnable = TRUE) const;
BOOL EndPaint(PAINTSTRUCT& ps) const;
CWnd* GetActiveWindow() const;
CWnd* GetAncestor(UINT gaFlag = 3 /*= GA_ROOTOWNER*/) const;
CWnd* GetCapture() const;
ULONG_PTR GetClassLongPtr(int nIndex) const;
CString GetClassName() const;
CRect GetClientRect() const;
CDC* GetDC() const;
CDC* GetDCEx(HRGN hrgnClip, DWORD flags) const;
CWnd* GetDesktopWindow() const;
CWnd* GetDlgItem(int nIDDlgItem) const;
UINT GetDlgItemInt(int nIDDlgItem, BOOL* lpTranslated, BOOL bSigned) const;
CString GetDlgItemText(int nIDDlgItem) const;
CWnd* GetFocus() const;
CFont* GetFont() const;
HICON GetIcon(BOOL bBigIcon) const;
CWnd* GetNextDlgGroupItem(CWnd* pCtl, BOOL bPrevious) const;
CWnd* GetNextDlgTabItem(CWnd* pCtl, BOOL bPrevious) const;
CWnd* GetParent() const;
BOOL GetScrollInfo(int fnBar, SCROLLINFO& si) const;
CRect GetUpdateRect(BOOL bErase) const;
int GetUpdateRgn(CRgn* pRgn, BOOL bErase) const;
CWnd* GetWindow(UINT uCmd) const;
CDC* GetWindowDC() const;
LONG_PTR GetWindowLongPtr(int nIndex) const;
CRect GetWindowRect() const;
CString GetWindowText() const;
int GetWindowTextLength() const;
void Invalidate(BOOL bErase = TRUE) const;
BOOL InvalidateRect(LPCRECT lpRect, BOOL bErase = TRUE) const;
BOOL InvalidateRgn(CRgn* pRgn, BOOL bErase = TRUE) const;
BOOL IsChild(CWnd* pChild) const;
BOOL IsDialogMessage(LPMSG lpMsg) const;
UINT IsDlgButtonChecked(int nIDButton) const;
BOOL IsWindow() const;
BOOL IsWindowEnabled() const;
BOOL IsWindowVisible() const;
BOOL KillTimer(UINT_PTR uIDEvent) const;
int MessageBox(LPCTSTR lpText, LPCTSTR lpCaption, UINT uType) const;
void MapWindowPoints(CWnd* pWndTo, POINT& pt) const;
void MapWindowPoints(CWnd* pWndTo, RECT& rc) const;
void MapWindowPoints(CWnd* pWndTo, LPPOINT ptArray, UINT nCount) const;
BOOL MoveWindow(int x, int y, int nWidth, int nHeight, BOOL bRepaint = TRUE) const;
BOOL MoveWindow(const RECT& rc, BOOL bRepaint = TRUE) const;
BOOL PostMessage(UINT uMsg, WPARAM wParam = 0L, LPARAM lParam = 0L) const;
BOOL PostMessage(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) const;
BOOL RedrawWindow(LPCRECT lpRectUpdate = NULL, CRgn* pRgn = NULL, UINT flags = RDW_INVALIDATE | RDW_UPDATENOW | RDW_ERASE | RDW_ALLCHILDREN) const;
int ReleaseDC(CDC* pDC) const;
BOOL ScreenToClient(POINT& Point) const;
BOOL ScreenToClient(RECT& rc) const;
LRESULT SendDlgItemMessage(int nIDDlgItem, UINT Msg, WPARAM wParam, LPARAM lParam) const;
LRESULT SendMessage(UINT uMsg, WPARAM wParam = 0L, LPARAM lParam = 0L) const;
LRESULT SendMessage(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) const;
BOOL SendNotifyMessage(UINT Msg, WPARAM wParam, LPARAM lParam) const;
CWnd* SetActiveWindow() const;
CWnd* SetCapture() const;
ULONG_PTR SetClassLongPtr(int nIndex, LONG_PTR dwNewLong) const;
BOOL SetDlgItemInt(int nIDDlgItem, UINT uValue, BOOL bSigned) const;
BOOL SetDlgItemText(int nIDDlgItem, LPCTSTR lpString) const;
CWnd* SetFocus() const;
void SetFont(CFont* pFont, BOOL bRedraw = TRUE) const;
BOOL SetForegroundWindow() const;
HICON SetIcon(HICON hIcon, BOOL bBigIcon) const;
CWnd* SetParent(CWnd* pWndParent) const;
BOOL SetRedraw(BOOL bRedraw = TRUE) const;
int SetScrollInfo(int fnBar, const SCROLLINFO& si, BOOL fRedraw) const;
UINT_PTR SetTimer(UINT_PTR nIDEvent, UINT uElapse, TIMERPROC lpTimerFunc) const;
LONG_PTR SetWindowLongPtr(int nIndex, LONG_PTR dwNewLong) const;
BOOL SetWindowPos(HWND hWndInsertAfter, int x, int y, int cx, int cy, UINT uFlags) const;
BOOL SetWindowPos(HWND hWndInsertAfter, const RECT& rc, UINT uFlags) const;
int SetWindowRgn(CRgn* pRgn, BOOL bRedraw = TRUE) const;
BOOL SetWindowText(LPCTSTR lpString) const;
HRESULT SetWindowTheme(LPCWSTR pszSubAppName, LPCWSTR pszSubIdList) const;
BOOL ShowWindow(int nCmdShow = SW_SHOWNORMAL) const;
BOOL UpdateWindow() const;
BOOL ValidateRect(LPCRECT prc) const;
BOOL ValidateRgn(CRgn* pRgn) const;
static CWnd* WindowFromPoint(POINT pt);
#ifndef _WIN32_WCE
BOOL CloseWindow() const;
int DlgDirList(LPTSTR lpPathSpec, int nIDListBox, int nIDStaticPath, UINT uFileType) const;
int DlgDirListComboBox(LPTSTR lpPathSpec, int nIDComboBox, int nIDStaticPath, UINT uFiletype) const;
BOOL DlgDirSelectEx(LPTSTR lpString, int nCount, int nIDListBox) const;
BOOL DlgDirSelectComboBoxEx(LPTSTR lpString, int nCount, int nIDComboBox) const;
BOOL DrawAnimatedRects(int idAni, RECT& rcFrom, RECT& rcTo) const;
BOOL DrawCaption(CDC* pDC, RECT& rc, UINT uFlags) const;
BOOL EnableScrollBar(UINT uSBflags, UINT uArrows) const;
CWnd* GetLastActivePopup() const;
CMenu* GetMenu() const;
int GetScrollPos(int nBar) const;
BOOL GetScrollRange(int nBar, int& MinPos, int& MaxPos) const;
CMenu* GetSystemMenu(BOOL bRevert) const;
CWnd* GetTopWindow() const;
BOOL GetWindowPlacement(WINDOWPLACEMENT& pWndpl) const;
BOOL HiliteMenuItem(CMenu* pMenu, UINT uItemHilite, UINT uHilite) const;
BOOL IsIconic() const;
BOOL IsZoomed() const;
BOOL LockWindowUpdate() const;
BOOL OpenIcon() const;
void Print(CDC* pDC, DWORD dwFlags) const;
BOOL SetMenu(CMenu* pMenu) const;
BOOL ScrollWindow(int XAmount, int YAmount, LPCRECT lprcScroll, LPCRECT lprcClip) const;
int ScrollWindowEx(int dx, int dy, LPCRECT lprcScroll, LPCRECT lprcClip, CRgn* prgnUpdate, LPRECT lprcUpdate, UINT flags) const;
int SetScrollPos(int nBar, int nPos, BOOL bRedraw) const;
BOOL SetScrollRange(int nBar, int nMinPos, int nMaxPos, BOOL bRedraw) const;
BOOL SetWindowPlacement(const WINDOWPLACEMENT& wndpl) const;
BOOL ShowOwnedPopups(BOOL fShow) const;
BOOL ShowScrollBar(int nBar, BOOL bShow) const;
BOOL ShowWindowAsync(int nCmdShow) const;
BOOL UnLockWindowUpdate() const;
CWnd* WindowFromDC(CDC* pDC) const;
#ifndef WIN32_LEAN_AND_MEAN
void DragAcceptFiles(BOOL fAccept) const;
#endif
#endif
static LRESULT CALLBACK StaticWindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
operator HWND() const { return m_hWnd; }
protected:
// Override these functions as required
virtual LRESULT FinalWindowProc(UINT uMsg, WPARAM wParam, LPARAM lParam);
virtual BOOL OnCommand(WPARAM wParam, LPARAM lParam);
virtual void OnCreate();
virtual void OnDraw(CDC* pDC);
virtual BOOL OnEraseBkgnd(CDC* pDC);
virtual void OnInitialUpdate();
virtual void OnMenuUpdate(UINT nID);
virtual LRESULT OnMessageReflect(UINT uMsg, WPARAM wParam, LPARAM lParam);
virtual LRESULT OnNotify(WPARAM wParam, LPARAM lParam);
virtual LRESULT OnNotifyReflect(WPARAM wParam, LPARAM lParam);
virtual void PreCreate(CREATESTRUCT& cs);
virtual void PreRegisterClass(WNDCLASS& wc);
virtual BOOL PreTranslateMessage(MSG* pMsg);
virtual LRESULT WndProc(UINT uMsg, WPARAM wParam, LPARAM lParam);
virtual LRESULT WndProcDefault(UINT uMsg, WPARAM wParam, LPARAM lParam);
HWND m_hWnd; // handle to this object's window
private:
CWnd(const CWnd&); // Disable copy construction
CWnd& operator = (const CWnd&); // Disable assignment operator
void AddToMap();
void Cleanup();
LRESULT MessageReflect(HWND hwndParent, UINT uMsg, WPARAM wParam, LPARAM lParam);
BOOL RegisterClass(WNDCLASS& wc);
BOOL RemoveFromMap();
void Subclass(HWND hWnd);
Shared_Ptr<WNDCLASS> m_pwc; // defines initialisation parameters for PreRegisterClass
Shared_Ptr<CREATESTRUCT> m_pcs; // defines initialisation parameters for PreCreate and Create
WNDPROC m_PrevWindowProc; // pre-subclassed Window Procedure
BOOL m_IsTmpWnd; // True if this CWnd is a TmpWnd
}; // class CWnd
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#include "gdi.h"
#include "menu.h"
namespace Win32xx
{
//////////////////////////////////////////
// Definitions for the CWinException class
//
inline CWinException::CWinException(LPCTSTR pszText) throw () : m_Error(::GetLastError()), m_pszText(pszText)
{
memset(m_szErrorString, 0, MAX_STRING_SIZE * sizeof(TCHAR));
if (m_Error != 0)
{
DWORD dwFlags = FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS;
::FormatMessage(dwFlags, NULL, m_Error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), m_szErrorString, MAX_STRING_SIZE-1, NULL);
}
}
inline DWORD CWinException::GetError() const throw ()
{
return m_Error;
}
inline LPCTSTR CWinException::GetErrorString() const throw ()
{
return m_szErrorString;
}
inline const char * CWinException::what() const throw ()
{
// Sends the last error string to the debugger (typically displayed in the IDE's output window).
::OutputDebugString(m_szErrorString);
return "CWinException thrown";
}
////////////////////////////////////
// Definitions for the CWinApp class
//
// To begin Win32++, inherit your application class from this one.
// You must run only one instance of the class inherited from this.
inline CWinApp::CWinApp() : m_Callback(NULL), m_hAccel(0), m_pWndAccel(0)
{
try
{
m_csAppStart.Lock();
assert( 0 == SetnGetThis() ); // Test if this is the first instance of CWinApp
m_dwTlsIndex = ::TlsAlloc();
if (m_dwTlsIndex == TLS_OUT_OF_INDEXES)
{
// We only get here in the unlikely event that all TLS indexes are already allocated by this app
// At least 64 TLS indexes per process are allowed. Win32++ requires only one TLS index.
m_csAppStart.Release();
throw CWinException(_T("CWinApp::CWinApp Failed to allocate TLS Index"));
}
SetnGetThis(this);
m_csAppStart.Release();
// Set the instance handle
#ifdef _WIN32_WCE
m_hInstance = (HINSTANCE)GetModuleHandle(0);
#else
MEMORY_BASIC_INFORMATION mbi = {0};
VirtualQuery( (LPCVOID)SetnGetThis, &mbi, sizeof(mbi) );
assert(mbi.AllocationBase);
m_hInstance = (HINSTANCE)mbi.AllocationBase;
#endif
m_hResource = m_hInstance;
SetCallback();
}
catch (const CWinException &e)
{
e.what();
throw;
}
}
inline CWinApp::~CWinApp()
{
std::vector<TLSDataPtr>::iterator iter;
for (iter = m_vTLSData.begin(); iter < m_vTLSData.end(); ++iter)
{
(*iter)->vTmpDCs.clear();
#ifndef _WIN32_WCE
(*iter)->vTmpMenus.clear();
#endif
(*iter)->vTmpWnds.clear();
}
// Check that all CWnd windows are destroyed
std::map<HWND, CWnd*, CompareHWND>::iterator m;
for (m = m_mapHWND.begin(); m != m_mapHWND.end(); ++m)
{
HWND hWnd = (*m).first;
if (::IsWindow(hWnd))
::DestroyWindow(hWnd);
}
m_mapHWND.clear();
m_mapGDI.clear();
m_mapHDC.clear();
m_mapHMENU.clear();
// Do remaining tidy up
if (m_dwTlsIndex != TLS_OUT_OF_INDEXES)
{
::TlsSetValue(GetTlsIndex(), NULL);
::TlsFree(m_dwTlsIndex);
}
SetnGetThis((CWinApp*)-1);
}
inline void CWinApp::AddTmpDC(CDC* pDC)
{
// The TmpMenus are created by GetSybMenu.
// They are removed by CleanupTemps
assert(pDC);
// Ensure this thread has the TLS index set
TLSData* pTLSData = GetApp()->SetTlsIndex();
pTLSData->vTmpDCs.push_back(pDC); // save pDC as a smart pointer
}
inline void CWinApp::AddTmpGDI(CGDIObject* pObject)
{
// The temporary CGDIObjects are removed by CleanupTemps
assert(pObject);
// Ensure this thread has the TLS index set
TLSData* pTLSData = GetApp()->SetTlsIndex();
pTLSData->vTmpGDIs.push_back(pObject); // save pObject as a smart pointer
}
#ifndef _WIN32_WCE
inline CMenu* CWinApp::AddTmpMenu(HMENU hMenu)
{
// The TmpMenus are created by GetSybMenu.
// They are removed by CleanupTemps
assert(::IsMenu(hMenu));
assert(!GetCMenuFromMap(hMenu));
CMenu* pMenu = new CMenu;
pMenu->m_hMenu = hMenu;
m_csMapLock.Lock();
m_mapHMENU.insert(std::make_pair(hMenu, pMenu));
m_csMapLock.Release();
pMenu->m_IsTmpMenu = TRUE;
// Ensure this thread has the TLS index set
TLSData* pTLSData = GetApp()->SetTlsIndex();
pTLSData->vTmpMenus.push_back(pMenu); // save pMenu as a smart pointer
return pMenu;
}
#endif
inline CWnd* CWinApp::AddTmpWnd(HWND hWnd)
{
// TmpWnds are created if required to support functions like CWnd::GetParent.
// They are removed by CleanupTemps
assert(::IsWindow(hWnd));
assert(!GetCWndFromMap(hWnd));
CWnd* pWnd = new CWnd;
pWnd->m_hWnd = hWnd;
pWnd->AddToMap();
pWnd->m_IsTmpWnd = TRUE;
// Ensure this thread has the TLS index set
TLSData* pTLSData = GetApp()->SetTlsIndex();
pTLSData->vTmpWnds.push_back(pWnd); // save pWnd as a smart pointer
return pWnd;
}
inline void CWinApp::CleanupTemps()
// Removes all Temporary CWnds and CMenus belonging to this thread
{
// Retrieve the pointer to the TLS Data
TLSData* pTLSData = (TLSData*)TlsGetValue(GetApp()->GetTlsIndex());
assert(pTLSData);
pTLSData->vTmpDCs.clear();
pTLSData->vTmpGDIs.clear();
pTLSData->vTmpWnds.clear();
#ifndef _WIN32_WCE
pTLSData->vTmpMenus.clear();
#endif
}
inline CDC* CWinApp::GetCDCFromMap(HDC hDC)
{
// Allocate an iterator for our HWND map
std::map<HDC, CDC*, CompareHDC>::iterator m;
// Find the CDC pointer mapped to this HDC
CDC* pDC = 0;
m_csMapLock.Lock();
m = m_mapHDC.find(hDC);
if (m != m_mapHDC.end())
pDC = m->second;
m_csMapLock.Release();
return pDC;
}
inline CGDIObject* CWinApp::GetCGDIObjectFromMap(HGDIOBJ hObject)
{
// Allocate an iterator for our HWND map
std::map<HGDIOBJ, CGDIObject*, CompareGDI>::iterator m;
// Find the CGDIObject pointer mapped to this HGDIOBJ
CGDIObject* pObject = 0;
m_csMapLock.Lock();
m = m_mapGDI.find(hObject);
if (m != m_mapGDI.end())
pObject = m->second;
m_csMapLock.Release();
return pObject;
}
inline CMenu* CWinApp::GetCMenuFromMap(HMENU hMenu)
{
std::map<HMENU, CMenu*, CompareHMENU>::iterator m;
// Find the CMenu pointer mapped to this HMENU
CMenu* pMenu = 0;
m_csMapLock.Lock();
m = m_mapHMENU.find(hMenu);
if (m != m_mapHMENU.end())
pMenu = m->second;
m_csMapLock.Release();
return pMenu;
}
inline CWnd* CWinApp::GetCWndFromMap(HWND hWnd)
{
// Allocate an iterator for our HWND map
std::map<HWND, CWnd*, CompareHWND>::iterator m;
// Find the CWnd pointer mapped to this HWND
CWnd* pWnd = 0;
m_csMapLock.Lock();
m = m_mapHWND.find(hWnd);
if (m != m_mapHWND.end())
pWnd = m->second;
m_csMapLock.Release();
return pWnd;
}
inline BOOL CWinApp::InitInstance()
{
// InitInstance contains the initialization code for your application
// You should override this function with the code to run when the application starts.
// return TRUE to indicate success. FALSE will end the application
return TRUE;
}
inline int CWinApp::MessageLoop()
{
// This gets any messages queued for the application, and dispatches them.
MSG Msg = {0};
int status = 1;
LONG lCount = 0;
while (status != 0)
{
// While idle, perform idle processing until OnIdle returns FALSE
while (!::PeekMessage(&Msg, 0, 0, 0, PM_NOREMOVE) && OnIdle(lCount) == TRUE)
{
++lCount;
}
lCount = 0;
// Now wait until we get a message
if ((status = ::GetMessage(&Msg, NULL, 0, 0)) == -1)
return -1;
if (!PreTranslateMessage(Msg))
{
::TranslateMessage(&Msg);
::DispatchMessage(&Msg);
}
}
return LOWORD(Msg.wParam);
}
inline BOOL CWinApp::OnIdle(LONG lCount)
{
if (lCount == 0)
CleanupTemps();
return FALSE;
}
inline BOOL CWinApp::PreTranslateMessage(MSG Msg)
{
// This functions is called by the MessageLoop. It processes the
// keyboard accelerator keys and calls CWnd::PreTranslateMessage for
// keyboard and mouse events.
BOOL Processed = FALSE;
// only pre-translate mouse and keyboard input events
if ((Msg.message >= WM_KEYFIRST && Msg.message <= WM_KEYLAST) ||
(Msg.message >= WM_MOUSEFIRST && Msg.message <= WM_MOUSELAST))
{
// Process keyboard accelerators
if (m_pWndAccel && ::TranslateAccelerator(*m_pWndAccel, m_hAccel, &Msg))
Processed = TRUE;
else
{
// Search the chain of parents for pretranslated messages.
for (HWND hWnd = Msg.hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd))
{
CWnd* pWnd = GetCWndFromMap(hWnd);
if (pWnd)
{
Processed = pWnd->PreTranslateMessage(&Msg);
if(Processed)
break;
}
}
}
}
return Processed;
}
inline int CWinApp::Run()
{
// InitInstance runs the App's initialization code
if (InitInstance())
{
// Dispatch the window messages
return MessageLoop();
}
else
{
TRACE(_T("InitInstance failed! Terminating program\n"));
::PostQuitMessage(-1);
return -1;
}
}
inline void CWinApp::SetAccelerators(HACCEL hAccel, CWnd* pWndAccel)
// nID is the resource ID of the accelerator table
// pWndAccel is the window pointer for translated messages
{
assert (hAccel);
assert (pWndAccel);
m_pWndAccel = pWndAccel;
m_hAccel = hAccel;
}
inline void CWinApp::SetCallback()
{
// Registers a temporary window class so we can get the callback
// address of CWnd::StaticWindowProc.
// This technique works for all Window versions, including WinCE.
WNDCLASS wcDefault = {0};
LPCTSTR szClassName = _T("Win32++ Temporary Window Class");
wcDefault.hInstance = GetInstanceHandle();
wcDefault.lpfnWndProc = CWnd::StaticWindowProc;
wcDefault.lpszClassName = szClassName;
::RegisterClass(&wcDefault);
// Retrieve the class information
ZeroMemory(&wcDefault, sizeof(wcDefault));
::GetClassInfo(GetInstanceHandle(), szClassName, &wcDefault);
// Save the callback address of CWnd::StaticWindowProc
assert(wcDefault.lpfnWndProc); // Assert fails when running UNICODE build on ANSI OS.
m_Callback = wcDefault.lpfnWndProc;
::UnregisterClass(szClassName, GetInstanceHandle());
}
inline CWinApp* CWinApp::SetnGetThis(CWinApp* pThis /*= 0*/)
{
// This function stores the 'this' pointer in a static variable.
// Once stored, it can be used later to return the 'this' pointer.
// CWinApp's Destructor calls this function with a value of -1.
static CWinApp* pWinApp = 0;
if ((CWinApp*)-1 == pThis)
pWinApp = 0;
else if (0 == pWinApp)
pWinApp = pThis;
return pWinApp;
}
inline void CWinApp::SetResourceHandle(HINSTANCE hResource)
{
// This function can be used to load a resource dll.
// A resource dll can be used to define resources in different languages.
// To use this function, place code like this in InitInstance
//
// HINSTANCE hResource = LoadLibrary(_T("MyResourceDLL.dll"));
// SetResourceHandle(hResource);
m_hResource = hResource;
}
inline TLSData* CWinApp::SetTlsIndex()
{
TLSData* pTLSData = (TLSData*)::TlsGetValue(GetTlsIndex());
if (NULL == pTLSData)
{
pTLSData = new TLSData;
m_csTLSLock.Lock();
m_vTLSData.push_back(pTLSData); // store as a Shared_Ptr
m_csTLSLock.Release();
::TlsSetValue(GetTlsIndex(), pTLSData);
}
return pTLSData;
}
////////////////////////////////////////
// Definitions for the CWnd class
//
inline CWnd::CWnd() : m_hWnd(NULL), m_PrevWindowProc(NULL), m_IsTmpWnd(FALSE)
{
// Note: m_hWnd is set in CWnd::CreateEx(...)
m_pcs = new CREATESTRUCT; // store the CREATESTRICT in a smart pointer
m_pwc = new WNDCLASS; // store the WNDCLASS in a smart pointer
::ZeroMemory(m_pcs.get(), sizeof(CREATESTRUCT));
::ZeroMemory(m_pwc.get(), sizeof(WNDCLASS));
}
inline CWnd::~CWnd()
{
// Destroys the window for this object and cleans up resources.
Destroy();
}
inline void CWnd::AddToMap()
// Store the window handle and CWnd pointer in the HWND map
{
assert( GetApp() );
GetApp()->m_csMapLock.Lock();
assert(::IsWindow(m_hWnd));
assert(!GetApp()->GetCWndFromMap(m_hWnd));
GetApp()->m_mapHWND.insert(std::make_pair(m_hWnd, this));
GetApp()->m_csMapLock.Release();
}
inline BOOL CWnd::Attach(HWND hWnd)
// Subclass an existing window and attach it to a CWnd
{
assert( GetApp() );
assert(::IsWindow(hWnd));
// Ensure this thread has the TLS index set
// Note: Perform the attach from the same thread as the window's message loop
GetApp()->SetTlsIndex();
if (m_PrevWindowProc)
Detach();
Subclass(hWnd);
// Store the CWnd pointer in the HWND map
AddToMap();
OnCreate();
OnInitialUpdate();
return TRUE;
}
inline BOOL CWnd::AttachDlgItem(UINT nID, CWnd* pParent)
// Converts a dialog item to a CWnd object
{
assert(pParent->IsWindow());
HWND hWnd = ::GetDlgItem(pParent->GetHwnd(), nID);
return Attach(hWnd);
}
inline void CWnd::CenterWindow() const
// Centers this window over it's parent
{
// required for multi-monitor support with Dev-C++ and VC6
#ifndef _WIN32_WCE
#ifndef MONITOR_DEFAULTTONEAREST
#define MONITOR_DEFAULTTONEAREST 0x00000002
#endif
#ifndef HMONITOR
DECLARE_HANDLE(HMONITOR);
#endif
#ifndef MONITORINFO
typedef struct tagMONITORINFO
{
DWORD cbSize;
RECT rcMonitor;
RECT rcWork;
DWORD dwFlags;
} MONITORINFO, *LPMONITORINFO;
#endif // MONITOR_DEFAULTTONEAREST
#endif // _WIN32_WCE
assert(::IsWindow(m_hWnd));
CRect rc = GetWindowRect();
CRect rcParent;
CRect rcDesktop;
// Get screen dimensions excluding task bar
::SystemParametersInfo(SPI_GETWORKAREA, 0, &rcDesktop, 0);
// Get the parent window dimensions (parent could be the desktop)
if (GetParent() != NULL) rcParent = GetParent()->GetWindowRect();
else rcParent = rcDesktop;
#ifndef _WIN32_WCE
// Import the GetMonitorInfo and MonitorFromWindow functions
HMODULE hUser32 = LoadLibrary(_T("USER32.DLL"));
typedef BOOL (WINAPI* LPGMI)(HMONITOR hMonitor, LPMONITORINFO lpmi);
typedef HMONITOR (WINAPI* LPMFW)(HWND hwnd, DWORD dwFlags);
LPMFW pfnMonitorFromWindow = (LPMFW)::GetProcAddress(hUser32, "MonitorFromWindow");
#ifdef _UNICODE
LPGMI pfnGetMonitorInfo = (LPGMI)::GetProcAddress(hUser32, "GetMonitorInfoW");
#else
LPGMI pfnGetMonitorInfo = (LPGMI)::GetProcAddress(hUser32, "GetMonitorInfoA");
#endif
// Take multi-monitor systems into account
if (pfnGetMonitorInfo && pfnMonitorFromWindow)
{
HMONITOR hActiveMonitor = pfnMonitorFromWindow(m_hWnd, MONITOR_DEFAULTTONEAREST);
MONITORINFO mi = { sizeof(mi), 0};
if(pfnGetMonitorInfo(hActiveMonitor, &mi))
{
rcDesktop = mi.rcWork;
if (GetParent() == NULL) rcParent = mi.rcWork;
}
}
FreeLibrary(hUser32);
#endif
// Calculate point to center the dialog over the portion of parent window on this monitor
rcParent.IntersectRect(rcParent, rcDesktop);
int x = rcParent.left + (rcParent.Width() - rc.Width())/2;
int y = rcParent.top + (rcParent.Height() - rc.Height())/2;
// Keep the dialog wholly on the monitor display
x = (x < rcDesktop.left)? rcDesktop.left : x;
x = (x > rcDesktop.right - rc.Width())? rcDesktop.right - rc.Width() : x;
y = (y < rcDesktop.top) ? rcDesktop.top: y;
y = (y > rcDesktop.bottom - rc.Height())? rcDesktop.bottom - rc.Height() : y;
SetWindowPos(HWND_TOP, x, y, 0, 0, SWP_NOSIZE);
}
inline void CWnd::Cleanup()
// Returns the CWnd to its default state
{
if ( GetApp() ) RemoveFromMap();
m_hWnd = NULL;
m_PrevWindowProc = NULL;
m_IsTmpWnd = FALSE;
}
inline HWND CWnd::Create(CWnd* pParent /* = NULL */)
// Creates the window. This is the default method of window creation.
{
// Test if Win32++ has been started
assert( GetApp() );
// Set the WNDCLASS parameters
PreRegisterClass(*m_pwc);
if (m_pwc->lpszClassName)
{
RegisterClass(*m_pwc);
m_pcs->lpszClass = m_pwc->lpszClassName;
}
// Set the CREATESTRUCT parameters
PreCreate(*m_pcs);
// Set the Window Class Name
if (!m_pcs->lpszClass)
m_pcs->lpszClass = _T("Win32++ Window");
// Set Parent
HWND hWndParent = pParent? pParent->GetHwnd() : 0;
if (!hWndParent && m_pcs->hwndParent)
hWndParent = m_pcs->hwndParent;
// Set the window style
DWORD dwStyle;
DWORD dwOverlappedStyle = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
if (m_pcs->style)
dwStyle = m_pcs->style;
else
dwStyle = WS_VISIBLE | ((hWndParent)? WS_CHILD : dwOverlappedStyle);
// Set window size and position
int x = (m_pcs->cx || m_pcs->cy)? m_pcs->x : CW_USEDEFAULT;
int cx = (m_pcs->cx || m_pcs->cy)? m_pcs->cx : CW_USEDEFAULT;
int y = (m_pcs->cx || m_pcs->cy)? m_pcs->y : CW_USEDEFAULT;
int cy = (m_pcs->cx || m_pcs->cy)? m_pcs->cy : CW_USEDEFAULT;
// Create the window
#ifndef _WIN32_WCE
CreateEx(m_pcs->dwExStyle, m_pcs->lpszClass, m_pcs->lpszName, dwStyle, x, y,
cx, cy, pParent, FromHandle(m_pcs->hMenu), m_pcs->lpCreateParams);
#else
CreateEx(m_pcs->dwExStyle, m_pcs->lpszClass, m_pcs->lpszName, dwStyle, x, y,
cx, cy, pParent, 0, m_pcs->lpCreateParams);
#endif
return m_hWnd;
}
inline HWND CWnd::CreateEx(DWORD dwExStyle, LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, const RECT& rc, CWnd* pParent, CMenu* pMenu, LPVOID lpParam /*= NULL*/)
// Creates the window by specifying all the window creation parameters
{
int x = rc.left;
int y = rc.top;
int cx = rc.right - rc.left;
int cy = rc.bottom - rc.top;
return CreateEx(dwExStyle, lpszClassName, lpszWindowName, dwStyle, x, y, cx, cy, pParent, pMenu, lpParam);
}
inline HWND CWnd::CreateEx(DWORD dwExStyle, LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, int x, int y, int nWidth, int nHeight, CWnd* pParent, CMenu* pMenu, LPVOID lpParam /*= NULL*/)
// Creates the window by specifying all the window creation parameters
{
assert( GetApp() ); // Test if Win32++ has been started
assert(!::IsWindow(m_hWnd)); // Only one window per CWnd instance allowed
try
{
// Prepare the CWnd if it has been reused
Destroy();
// Ensure a window class is registered
std::vector<TCHAR> vTChar( MAX_STRING_SIZE+1, _T('\0') );
TCHAR* ClassName = &vTChar[0];
if (0 == lpszClassName || 0 == lstrlen(lpszClassName) )
lstrcpyn (ClassName, _T("Win32++ Window"), MAX_STRING_SIZE);
else
// Create our own local copy of szClassName.
lstrcpyn(ClassName, lpszClassName, MAX_STRING_SIZE);
WNDCLASS wc = {0};
wc.lpszClassName = ClassName;
wc.hbrBackground = (HBRUSH)::GetStockObject(WHITE_BRUSH);
wc.hCursor = ::LoadCursor(NULL, IDC_ARROW);
// Register the window class (if not already registered)
if (!RegisterClass(wc))
throw CWinException(_T("Failed to register window class"));
HWND hWndParent = pParent? pParent->GetHwnd() : 0;
// Ensure this thread has the TLS index set
TLSData* pTLSData = GetApp()->SetTlsIndex();
// Store the CWnd pointer in thread local storage
pTLSData->pCWnd = this;
// Create window
#ifdef _WIN32_WCE
m_hWnd = ::CreateWindowEx(dwExStyle, ClassName, lpszWindowName, dwStyle, x, y, nWidth, nHeight,
hWndParent, 0, GetApp()->GetInstanceHandle(), lpParam);
#else
HMENU hMenu = pMenu? pMenu->GetHandle() : NULL;
m_hWnd = ::CreateWindowEx(dwExStyle, ClassName, lpszWindowName, dwStyle, x, y, nWidth, nHeight,
hWndParent, hMenu, GetApp()->GetInstanceHandle(), lpParam);
#endif
// Now handle window creation failure
if (!m_hWnd)
throw CWinException(_T("Failed to Create Window"));
// Automatically subclass predefined window class types
::GetClassInfo(GetApp()->GetInstanceHandle(), lpszClassName, &wc);
if (wc.lpfnWndProc != GetApp()->m_Callback)
{
Subclass(m_hWnd);
// Send a message to force the HWND to be added to the map
SendMessage(WM_NULL, 0L, 0L);
OnCreate(); // We missed the WM_CREATE message, so call OnCreate now
}
// Clear the CWnd pointer from TLS
pTLSData->pCWnd = NULL;
}
catch (const CWinException &e)
{
TRACE(_T("\n*** Failed to create window ***\n"));
e.what(); // Display the last error message.
// eat the exception (don't rethrow)
}
// Window creation is complete. Now call OnInitialUpdate
OnInitialUpdate();
return m_hWnd;
}
inline void CWnd::Destroy()
// Destroys the window and returns the CWnd back to its default state, ready for reuse.
{
if (m_IsTmpWnd)
m_hWnd = NULL;
if (IsWindow())
::DestroyWindow(m_hWnd);
// Return the CWnd to its default state
Cleanup();
}
inline HWND CWnd::Detach()
// Reverse an Attach
{
assert(::IsWindow(m_hWnd));
assert(0 != m_PrevWindowProc); // Only a subclassed window can be detached
SetWindowLongPtr(GWLP_WNDPROC, (LONG_PTR)m_PrevWindowProc);
HWND hWnd = m_hWnd;
Cleanup();
return hWnd;
}
inline LRESULT CWnd::FinalWindowProc(UINT uMsg, WPARAM wParam, LPARAM lParam)
// Pass messages on to the appropriate default window procedure
// CMDIChild and CMDIFrame override this function
{
return ::DefWindowProc(m_hWnd, uMsg, wParam, lParam);
}
inline CWnd* CWnd::GetAncestor(UINT gaFlags /*= GA_ROOTOWNER*/) const
// The GetAncestor function retrieves a pointer to the ancestor (root parent)
// of the window. Supports Win95.
{
assert(::IsWindow(m_hWnd));
HWND hWnd;
#if (WINVER < 0x0500) // Win2000 and above
UNREFERENCED_PARAMETER(gaFlags);
hWnd = m_hWnd;
HWND hWndParent = ::GetParent(hWnd);
while (::IsChild(hWndParent, hWnd))
{
hWnd = hWndParent;
hWndParent = ::GetParent(hWnd);
}
#else
hWnd = ::GetAncestor(m_hWnd, gaFlags);
#endif
return FromHandle(hWnd);
}
inline CString CWnd::GetClassName() const
// Retrieves the name of the class to which the specified window belongs.
{
assert(::IsWindow(m_hWnd));
CString str;
LPTSTR szStr = str.GetBuffer(MAX_STRING_SIZE+1);
::GetClassName(m_hWnd, szStr, MAX_STRING_SIZE+1);
str.ReleaseBuffer();
return str;
}
inline CString CWnd::GetDlgItemText(int nIDDlgItem) const
// Retrieves the title or text associated with a control in a dialog box.
{
assert(::IsWindow(m_hWnd));
int nLength = ::GetWindowTextLength(::GetDlgItem(m_hWnd, nIDDlgItem));
CString str;
LPTSTR szStr = str.GetBuffer(nLength+1);
::GetDlgItemText(m_hWnd, nIDDlgItem, szStr, nLength+1);
str.ReleaseBuffer();
return str;
}
inline CString CWnd::GetWindowText() const
// Retrieves the text of the window's title bar.
{
assert(::IsWindow(m_hWnd));
int nLength = ::GetWindowTextLength(m_hWnd);
CString str;
LPTSTR szStr = str.GetBuffer(nLength+1);
::GetWindowText(m_hWnd, szStr, nLength+1);
str.ReleaseBuffer();
return str;
}
inline BOOL CWnd::OnCommand(WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(wParam);
UNREFERENCED_PARAMETER(lParam);
// Override this to handle WM_COMMAND messages, for example
// switch (LOWORD(wParam))
// {
// case IDM_FILE_NEW:
// OnFileNew();
// TRUE; // return TRUE for handled commands
// }
// return FALSE for unhandled commands
return FALSE;
}
inline void CWnd::OnCreate()
{
// This function is called when a WM_CREATE message is recieved
// Override it in your derived class to automatically perform tasks
// during window creation.
}
inline void CWnd::OnDraw(CDC* pDC)
// Called when part of the client area of the window needs to be drawn
{
UNREFERENCED_PARAMETER(pDC);
// Override this function in your derived class to perform drawing tasks.
}
inline BOOL CWnd::OnEraseBkgnd(CDC* pDC)
// Called when the background of the window's client area needs to be erased.
{
UNREFERENCED_PARAMETER(pDC);
// Override this function in your derived class to perform drawing tasks.
// Return Value: Return FALSE to also permit default erasure of the background
// Return TRUE to prevent default erasure of the background
return FALSE;
}
inline void CWnd::OnInitialUpdate()
{
// This function is called automatically once the window is created
// Override it in your derived class to automatically perform tasks
// after window creation.
}
inline LRESULT CWnd::MessageReflect(HWND hWndParent, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
// A function used to call OnMessageReflect. You shouldn't need to call or
// override this function.
HWND hWnd = NULL;
switch (uMsg)
{
case WM_COMMAND:
case WM_CTLCOLORBTN:
case WM_CTLCOLOREDIT:
case WM_CTLCOLORDLG:
case WM_CTLCOLORLISTBOX:
case WM_CTLCOLORSCROLLBAR:
case WM_CTLCOLORSTATIC:
case WM_CHARTOITEM:
case WM_VKEYTOITEM:
case WM_HSCROLL:
case WM_VSCROLL:
hWnd = (HWND)lParam;
break;
case WM_DRAWITEM:
case WM_MEASUREITEM:
case WM_DELETEITEM:
case WM_COMPAREITEM:
hWnd = ::GetDlgItem(hWndParent, (int)wParam);
break;
case WM_PARENTNOTIFY:
switch(LOWORD(wParam))
{
case WM_CREATE:
case WM_DESTROY:
hWnd = (HWND)lParam;
break;
}
}
CWnd* Wnd = GetApp()->GetCWndFromMap(hWnd);
if (Wnd != NULL)
return Wnd->OnMessageReflect(uMsg, wParam, lParam);
return 0L;
}
inline LRESULT CWnd::OnMessageReflect(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(uMsg);
UNREFERENCED_PARAMETER(wParam);
UNREFERENCED_PARAMETER(lParam);
// This function processes those special messages (see above) sent
// by some older controls, and reflects them back to the originating CWnd object.
// Override this function in your derrived class to handle these special messages.
// Your overriding function should look like this ...
// switch (uMsg)
// {
// Handle your reflected messages here
// }
// return 0L for unhandled messages
return 0L;
}
inline LRESULT CWnd::OnNotify(WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(wParam);
UNREFERENCED_PARAMETER(lParam);
// You can use either OnNotifyReflect or OnNotify to handle notifications
// Override OnNotifyReflect to handle notifications in the CWnd class that
// generated the notification. OR
// Override OnNotify to handle notifications in the PARENT of the CWnd class
// that generated the notification.
// Your overriding function should look like this ...
// switch (((LPNMHDR)lParam)->code)
// {
// Handle your notifications from the CHILD window here
// Return the value recommended by the Windows API documentation.
// For many notifications, the return value doesn't matter, but for some it does.
// }
// return 0L for unhandled notifications
return 0L;
}
inline LRESULT CWnd::OnNotifyReflect(WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(wParam);
UNREFERENCED_PARAMETER(lParam);
// Override OnNotifyReflect to handle notifications in the CWnd class that
// generated the notification.
// Your overriding function should look like this ...
// switch (((LPNMHDR)lParam)->code)
// {
// Handle your notifications from this window here
// Return the value recommended by the Windows API documentation.
// }
// return 0L for unhandled notifications
return 0L;
}
inline void CWnd::OnMenuUpdate(UINT nID)
// Called when menu items are about to be displayed
{
UNREFERENCED_PARAMETER(nID);
// Override this function to modify the behaviour of menu items,
// such as adding or removing checkmarks
}
inline void CWnd::PreCreate(CREATESTRUCT& cs)
// Called by CWnd::Create to set some window parameters
{
// Test if Win32++ has been started
assert(GetApp()); // Test if Win32++ has been started
m_pcs->cx = cs.cx;
m_pcs->cy = cs.cy;
m_pcs->dwExStyle = cs.dwExStyle;
m_pcs->hInstance = GetApp()->GetInstanceHandle();
m_pcs->hMenu = cs.hMenu;
m_pcs->hwndParent = cs.hwndParent;
m_pcs->lpCreateParams = cs.lpCreateParams;
m_pcs->lpszClass = cs.lpszClass;
m_pcs->lpszName = cs.lpszName;
m_pcs->style = cs.style;
m_pcs->x = cs.x;
m_pcs->y = cs.y;
// Overide this function in your derived class to set the
// CREATESTRUCT values prior to window creation.
// The cs.lpszClass parameter should NOT be specified if the
// PreRegisterClass function is used to create a window class.
}
inline void CWnd::PreRegisterClass(WNDCLASS& wc)
// Called by CWnd::Create to set some window parameters
// Useful for setting the background brush and cursor
{
// Test if Win32++ has been started
assert( GetApp() );
m_pwc->style = wc.style;
m_pwc->lpfnWndProc = CWnd::StaticWindowProc;
m_pwc->cbClsExtra = wc.cbClsExtra;
m_pwc->cbWndExtra = wc.cbWndExtra;
m_pwc->hInstance = GetApp()->GetInstanceHandle();
m_pwc->hIcon = wc.hIcon;
m_pwc->hCursor = wc.hCursor;
m_pwc->hbrBackground = wc.hbrBackground;
m_pwc->lpszMenuName = wc.lpszMenuName;
m_pwc->lpszClassName = wc.lpszClassName;
// Overide this function in your derived class to set the
// WNDCLASS values prior to window creation.
// ADDITIONAL NOTES:
// 1) The lpszClassName must be set for this function to take effect.
// 2) The lpfnWndProc is always CWnd::StaticWindowProc.
// 3) No other defaults are set, so the following settings might prove useful
// wc.hCursor = ::LoadCursor(NULL, IDC_ARROW);
// wc.hbrBackground = (HBRUSH)::GetStockObject(WHITE_BRUSH);
// wc.hIcon = ::LoadIcon(NULL, IDI_APPLICATION);
// 4) The styles that can be set here are WNDCLASS styles. These are a different
// set of styles to those set by CREATESTRUCT (used in PreCreate).
// 5) RegisterClassEx is not used because its not supported on WinCE.
// To set a small icon for the window, use SetIconSmall.
}
inline BOOL CWnd::PreTranslateMessage(MSG* pMsg)
{
UNREFERENCED_PARAMETER(pMsg);
// Override this function if your class requires input messages to be
// translated before normal processing. Function which translate messages
// include TranslateAccelerator, TranslateMDISysAccel and IsDialogMessage.
// Return TRUE if the message is translated.
return FALSE;
}
inline BOOL CWnd::RegisterClass(WNDCLASS& wc)
// A private function used by the PreRegisterClass function to register a
// window class prior to window creation
{
assert( GetApp() );
assert( (0 != lstrlen(wc.lpszClassName) && ( lstrlen(wc.lpszClassName) <= MAX_STRING_SIZE) ) );
// Check to see if this classname is already registered
WNDCLASS wcTest = {0};
BOOL Done = FALSE;
if (::GetClassInfo(GetApp()->GetInstanceHandle(), wc.lpszClassName, &wcTest))
{
wc = wcTest;
Done = TRUE;
}
if (!Done)
{
// Set defaults
wc.hInstance = GetApp()->GetInstanceHandle();
wc.lpfnWndProc = CWnd::StaticWindowProc;
// Register the WNDCLASS structure
if ( !::RegisterClass(&wc) )
throw CWinException(_T("Failed to register window class"));
Done = TRUE;
}
return Done;
}
inline BOOL CWnd::RemoveFromMap()
{
BOOL Success = FALSE;
if (GetApp())
{
// Allocate an iterator for our HWND map
std::map<HWND, CWnd*, CompareHWND>::iterator m;
CWinApp* pApp = GetApp();
if (pApp)
{
// Erase the CWnd pointer entry from the map
pApp->m_csMapLock.Lock();
for (m = pApp->m_mapHWND.begin(); m != pApp->m_mapHWND.end(); ++m)
{
if (this == m->second)
{
pApp->m_mapHWND.erase(m);
Success = TRUE;
break;
}
}
pApp->m_csMapLock.Release();
}
}
return Success;
}
inline HICON CWnd::SetIconLarge(int nIcon)
// Sets the large icon associated with the window
{
assert( GetApp() );
assert(::IsWindow(m_hWnd));
HICON hIconLarge = (HICON) (::LoadImage (GetApp()->GetResourceHandle(), MAKEINTRESOURCE (nIcon), IMAGE_ICON,
::GetSystemMetrics (SM_CXICON), ::GetSystemMetrics (SM_CYICON), 0));
if (hIconLarge)
SendMessage (WM_SETICON, WPARAM (ICON_BIG), LPARAM (hIconLarge));
else
TRACE(_T("**WARNING** SetIconLarge Failed\n"));
return hIconLarge;
}
inline HICON CWnd::SetIconSmall(int nIcon)
// Sets the small icon associated with the window
{
assert( GetApp() );
assert(::IsWindow(m_hWnd));
HICON hIconSmall = (HICON) (::LoadImage (GetApp()->GetResourceHandle(), MAKEINTRESOURCE (nIcon), IMAGE_ICON,
::GetSystemMetrics (SM_CXSMICON), ::GetSystemMetrics (SM_CYSMICON), 0));
if (hIconSmall)
SendMessage (WM_SETICON, WPARAM (ICON_SMALL), LPARAM (hIconSmall));
else
TRACE(_T("**WARNING** SetIconSmall Failed\n"));
return hIconSmall;
}
inline LRESULT CALLBACK CWnd::StaticWindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
// All CWnd windows direct their messages here. This function redirects the message
// to the CWnd's WndProc function.
{
assert( GetApp() );
CWnd* w = GetApp()->GetCWndFromMap(hWnd);
if (0 == w)
{
// The CWnd pointer wasn't found in the map, so add it now
// Retrieve the pointer to the TLS Data
TLSData* pTLSData = (TLSData*)TlsGetValue(GetApp()->GetTlsIndex());
assert(pTLSData);
// Retrieve pointer to CWnd object from Thread Local Storage TLS
w = pTLSData->pCWnd;
assert(w); // pTLSData->pCWnd is assigned in CreateEx
pTLSData->pCWnd = NULL;
// Store the CWnd pointer in the HWND map
w->m_hWnd = hWnd;
w->AddToMap();
}
return w->WndProc(uMsg, wParam, lParam);
} // LRESULT CALLBACK StaticWindowProc(...)
inline void CWnd::Subclass(HWND hWnd)
// A private function used by CreateEx, Attach and AttachDlgItem
{
assert(::IsWindow(hWnd));
m_PrevWindowProc = (WNDPROC)::SetWindowLongPtr(hWnd, GWLP_WNDPROC, (LONG_PTR)CWnd::StaticWindowProc);
m_hWnd = hWnd;
}
inline LRESULT CWnd::WndProc(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
// Override this function in your class derrived from CWnd to handle
// window messages. A typical function might look like this:
// switch (uMsg)
// {
// case MESSAGE1: // Some Windows API message
// OnMessage1(); // A user defined function
// break; // Also do default processing
// case MESSAGE2:
// OnMessage2();
// return x; // Don't do default processing, but instead return
// // a value recommended by the Windows API documentation
// }
// Always pass unhandled messages on to WndProcDefault
return WndProcDefault(uMsg, wParam, lParam);
}
inline LRESULT CWnd::WndProcDefault(UINT uMsg, WPARAM wParam, LPARAM lParam)
// All WndProc functions should pass unhandled window messages to this function
{
LRESULT lr = 0L;
switch (uMsg)
{
case UWM_CLEANUPTEMPS:
{
TLSData* pTLSData = (TLSData*)TlsGetValue(GetApp()->GetTlsIndex());
pTLSData->vTmpWnds.clear();
}
break;
case WM_COMMAND:
{
// Refelect this message if it's from a control
CWnd* pWnd = GetApp()->GetCWndFromMap((HWND)lParam);
if (pWnd != NULL)
lr = pWnd->OnCommand(wParam, lParam);
// Handle user commands
if (!lr)
lr = OnCommand(wParam, lParam);
if (lr) return 0L;
}
break; // Note: Some MDI commands require default processing
case WM_CREATE:
OnCreate();
break;
// An example of how to end the application when the window closes
// If needed, put this in the class you inherit from CWnd
// case WM_DESTROY:
// ::PostQuitMessage(0);
// return 0L;
case WM_NOTIFY:
{
// Do Notification reflection if it came from a CWnd object
HWND hwndFrom = ((LPNMHDR)lParam)->hwndFrom;
CWnd* pWndFrom = GetApp()->GetCWndFromMap(hwndFrom);
if (lstrcmp(GetClassName(), _T("ReBarWindow32")) != 0) // Skip notification reflection for rebars to avoid double handling
{
if (pWndFrom != NULL)
lr = pWndFrom->OnNotifyReflect(wParam, lParam);
else
{
// Some controls (eg ListView) have child windows.
// Reflect those notifications too.
CWnd* pWndFromParent = GetApp()->GetCWndFromMap(::GetParent(hwndFrom));
if (pWndFromParent != NULL)
lr = pWndFromParent->OnNotifyReflect(wParam, lParam);
}
}
// Handle user notifications
if (!lr) lr = OnNotify(wParam, lParam);
if (lr) return lr;
}
break;
case WM_PAINT:
{
// Subclassed controls expect to do their own painting.
// CustomDraw or OwnerDraw are normally used to modify the drawing of controls.
if (m_PrevWindowProc) break;
if (::GetUpdateRect(m_hWnd, NULL, FALSE))
{
CPaintDC dc(this);
OnDraw(&dc);
}
else
// RedrawWindow can require repainting without an update rect
{
CClientDC dc(this);
OnDraw(&dc);
}
}
return 0L;
case WM_ERASEBKGND:
{
CDC dc((HDC)wParam);
BOOL bResult = OnEraseBkgnd(&dc);
dc.Detach();
if (bResult) return TRUE;
}
break;
// A set of messages to be reflected back to the control that generated them
case WM_CTLCOLORBTN:
case WM_CTLCOLOREDIT:
case WM_CTLCOLORDLG:
case WM_CTLCOLORLISTBOX:
case WM_CTLCOLORSCROLLBAR:
case WM_CTLCOLORSTATIC:
case WM_DRAWITEM:
case WM_MEASUREITEM:
case WM_DELETEITEM:
case WM_COMPAREITEM:
case WM_CHARTOITEM:
case WM_VKEYTOITEM:
case WM_HSCROLL:
case WM_VSCROLL:
case WM_PARENTNOTIFY:
{
// if (m_PrevWindowProc) break; // Suppress for subclassed windows
LRESULT lr = MessageReflect(m_hWnd, uMsg, wParam, lParam);
if (lr) return lr; // Message processed so return
}
break; // Do default processing when message not already processed
case UWM_UPDATE_COMMAND:
OnMenuUpdate((UINT)wParam); // Perform menu updates
break;
} // switch (uMsg)
// Now hand all messages to the default procedure
if (m_PrevWindowProc)
return ::CallWindowProc(m_PrevWindowProc, m_hWnd, uMsg, wParam, lParam);
else
return FinalWindowProc(uMsg, wParam, lParam);
} // LRESULT CWnd::WindowProc(...)
//
// Wrappers for Win32 API functions
//
inline CDC* CWnd::BeginPaint(PAINTSTRUCT& ps) const
// The BeginPaint function prepares the specified window for painting and fills a PAINTSTRUCT structure with
// information about the painting.
{
assert(::IsWindow(m_hWnd));
return FromHandle(::BeginPaint(m_hWnd, &ps));
}
inline BOOL CWnd::BringWindowToTop() const
// The BringWindowToTop function brings the specified window to the top
// of the Z order. If the window is a top-level window, it is activated.
{
assert(::IsWindow(m_hWnd));
return ::BringWindowToTop(m_hWnd);
}
inline LRESULT CWnd::CallWindowProc(WNDPROC lpPrevWndFunc, UINT Msg, WPARAM wParam, LPARAM lParam) const
{
assert(::IsWindow(m_hWnd));
return ::CallWindowProc(lpPrevWndFunc, m_hWnd, Msg, wParam, lParam);
}
inline BOOL CWnd::CheckDlgButton(int nIDButton, UINT uCheck) const
// The CheckDlgButton function changes the check state of a button control.
{
assert(::IsWindow(m_hWnd));
return ::CheckDlgButton(m_hWnd, nIDButton, uCheck);
}
inline BOOL CWnd::CheckRadioButton(int nIDFirstButton, int nIDLastButton, int nIDCheckButton) const
// The CheckRadioButton function adds a check mark to (checks) a specified radio button in a group
// and removes a check mark from (clears) all other radio buttons in the group.
{
assert(::IsWindow(m_hWnd));
return ::CheckRadioButton(m_hWnd, nIDFirstButton, nIDLastButton, nIDCheckButton);
}
inline CWnd* CWnd::ChildWindowFromPoint(POINT pt) const
// determines which, if any, of the child windows belonging to a parent window contains
// the specified point. The search is restricted to immediate child windows.
// Grandchildren, and deeper descendant windows are not searched.
{
assert(::IsWindow(m_hWnd));
return FromHandle(::ChildWindowFromPoint(m_hWnd, pt));
}
inline BOOL CWnd::ClientToScreen(POINT& pt) const
// The ClientToScreen function converts the client-area coordinates of a specified point to screen coordinates.
{
assert(::IsWindow(m_hWnd));
return ::ClientToScreen(m_hWnd, &pt);
}
inline BOOL CWnd::ClientToScreen(RECT& rc) const
// The ClientToScreen function converts the client-area coordinates of a specified RECT to screen coordinates.
{
assert(::IsWindow(m_hWnd));
return (BOOL)::MapWindowPoints(m_hWnd, NULL, (LPPOINT)&rc, 2);
}
inline HDWP CWnd::DeferWindowPos(HDWP hWinPosInfo, HWND hWndInsertAfter, int x, int y, int cx, int cy, UINT uFlags) const
// The DeferWindowPos function updates the specified multiple-window – position structure for the window.
{
assert(::IsWindow(m_hWnd));
return ::DeferWindowPos(hWinPosInfo, m_hWnd, hWndInsertAfter, x, y, cx, cy, uFlags);
}
inline HDWP CWnd::DeferWindowPos(HDWP hWinPosInfo, HWND hWndInsertAfter, const RECT& rc, UINT uFlags) const
// The DeferWindowPos function updates the specified multiple-window – position structure for the window.
{
assert(::IsWindow(m_hWnd));
return ::DeferWindowPos(hWinPosInfo, m_hWnd, hWndInsertAfter, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, uFlags);
}
inline LRESULT CWnd::DefWindowProc(UINT uMsg, WPARAM wParam, LPARAM lParam) const
// This function provides default processing for any window messages that an application does not process.
{
assert(::IsWindow(m_hWnd));
return ::DefWindowProc(m_hWnd, uMsg, wParam, lParam);
}
inline BOOL CWnd::DrawMenuBar() const
// The DrawMenuBar function redraws the menu bar of the specified window. If the menu bar changes after
// the system has created the window, this function must be called to draw the changed menu bar.
{
assert(::IsWindow(m_hWnd));
return ::DrawMenuBar(m_hWnd);
}
inline BOOL CWnd::EnableWindow(BOOL bEnable /*= TRUE*/) const
// The EnableWindow function enables or disables mouse and
// keyboard input to the window.
{
assert(::IsWindow(m_hWnd));
return ::EnableWindow(m_hWnd, bEnable);
}
inline BOOL CWnd::EndPaint(PAINTSTRUCT& ps) const
// The EndPaint function marks the end of painting in the specified window. This function is required for
// each call to the BeginPaint function, but only after painting is complete.
{
assert(::IsWindow(m_hWnd));
return ::EndPaint(m_hWnd, &ps);
}
inline CWnd* CWnd::GetActiveWindow() const
// The GetActiveWindow function retrieves a pointer to the active window attached to the calling
// thread's message queue.
{
return FromHandle( ::GetActiveWindow() );
}
inline CWnd* CWnd::GetCapture() const
// The GetCapture function retrieves a pointer to the window (if any) that has captured the mouse.
{
return FromHandle( ::GetCapture() );
}
inline ULONG_PTR CWnd::GetClassLongPtr(int nIndex) const
// The GetClassLongPtr function retrieves the specified value from the
// WNDCLASSEX structure associated with the window.
{
assert(::IsWindow(m_hWnd));
return ::GetClassLongPtr(m_hWnd, nIndex);
}
inline CRect CWnd::GetClientRect() const
// The GetClientRect function retrieves the coordinates of a window's client area.
// The client coordinates specify the upper-left and lower-right corners of the
// client area. Because client coordinates are relative to the upper-left corner
// of a window's client area, the coordinates of the upper-left corner are (0,0).
{
assert(::IsWindow(m_hWnd));
CRect rc;
::GetClientRect(m_hWnd, &rc);
return rc;
}
inline CDC* CWnd::GetDC() const
// The GetDC function retrieves a handle to a display device context (DC) for the
// client area of the window.
{
assert(::IsWindow(m_hWnd));
return CDC::AddTempHDC(::GetDC(m_hWnd), m_hWnd);
}
inline CDC* CWnd::GetDCEx(HRGN hrgnClip, DWORD flags) const
// The GetDCEx function retrieves a handle to a display device context (DC) for the
// client area or entire area of a window
{
assert(::IsWindow(m_hWnd));
return CDC::AddTempHDC(::GetDCEx(m_hWnd, hrgnClip, flags), m_hWnd);
}
inline CWnd* CWnd::GetDesktopWindow() const
// The GetDesktopWindow function retrieves a pointer to the desktop window.
{
return FromHandle( ::GetDesktopWindow() );
}
inline CWnd* CWnd::GetDlgItem(int nIDDlgItem) const
// The GetDlgItem function retrieves a handle to a control in the dialog box.
{
assert(::IsWindow(m_hWnd));
return FromHandle( ::GetDlgItem(m_hWnd, nIDDlgItem) );
}
inline UINT CWnd::GetDlgItemInt(int nIDDlgItem, BOOL* lpTranslated, BOOL bSigned) const
// The GetDlgItemInt function translates the text of a specified control in a dialog box into an integer value.
{
assert(::IsWindow(m_hWnd));
return ::GetDlgItemInt(m_hWnd, nIDDlgItem, lpTranslated, bSigned);
}
inline CWnd* CWnd::GetFocus() const
// The GetFocus function retrieves a pointer to the window that has the keyboard focus, if the window
// is attached to the calling thread's message queue.
{
return FromHandle( ::GetFocus() );
}
inline CFont* CWnd::GetFont() const
// Retrieves the font with which the window is currently drawing its text.
{
assert(::IsWindow(m_hWnd));
return FromHandle((HFONT)SendMessage(WM_GETFONT, 0, 0));
}
inline HICON CWnd::GetIcon(BOOL bBigIcon) const
// Retrieves a handle to the large or small icon associated with a window.
{
assert(::IsWindow(m_hWnd));
return (HICON)SendMessage(WM_GETICON, (WPARAM)bBigIcon, 0);
}
inline CWnd* CWnd::GetNextDlgGroupItem(CWnd* pCtl, BOOL bPrevious) const
// The GetNextDlgGroupItem function retrieves a pointer to the first control in a group of controls that
// precedes (or follows) the specified control in a dialog box.
{
assert(::IsWindow(m_hWnd));
assert(pCtl);
return FromHandle(::GetNextDlgGroupItem(m_hWnd, pCtl->GetHwnd(), bPrevious));
}
inline CWnd* CWnd::GetNextDlgTabItem(CWnd* pCtl, BOOL bPrevious) const
// The GetNextDlgTabItem function retrieves a pointer to the first control that has the WS_TABSTOP style
// that precedes (or follows) the specified control.
{
assert(::IsWindow(m_hWnd));
assert(pCtl);
return FromHandle(::GetNextDlgTabItem(m_hWnd, pCtl->GetHwnd(), bPrevious));
}
inline CWnd* CWnd::GetParent() const
// The GetParent function retrieves a pointer to the specified window's parent or owner.
{
assert(::IsWindow(m_hWnd));
return FromHandle( ::GetParent(m_hWnd) );
}
inline LONG_PTR CWnd::GetWindowLongPtr(int nIndex) const
// The GetWindowLongPtr function retrieves information about the window.
{
assert(::IsWindow(m_hWnd));
return ::GetWindowLongPtr(m_hWnd, nIndex);
}
inline BOOL CWnd::GetScrollInfo(int fnBar, SCROLLINFO& si) const
// The GetScrollInfo function retrieves the parameters of a scroll bar, including
// the minimum and maximum scrolling positions, the page size, and the position
// of the scroll box (thumb).
{
assert(::IsWindow(m_hWnd));
return ::GetScrollInfo(m_hWnd, fnBar, &si);
}
inline CRect CWnd::GetUpdateRect(BOOL bErase) const
// The GetUpdateRect function retrieves the coordinates of the smallest rectangle that completely
// encloses the update region of the specified window.
{
assert(::IsWindow(m_hWnd));
CRect rc;
::GetUpdateRect(m_hWnd, &rc, bErase);
return rc;
}
inline int CWnd::GetUpdateRgn(CRgn* pRgn, BOOL bErase) const
// The GetUpdateRgn function retrieves the update region of a window by copying it into the specified region.
{
assert(::IsWindow(m_hWnd));
assert(pRgn);
HRGN hRgn = (HRGN)pRgn->GetHandle();
return ::GetUpdateRgn(m_hWnd, hRgn, bErase);
}
inline CWnd* CWnd::GetWindow(UINT uCmd) const
// The GetWindow function retrieves a pointer to a window that has the specified
// relationship (Z-Order or owner) to the specified window.
// Possible uCmd values: GW_CHILD, GW_ENABLEDPOPUP, GW_HWNDFIRST, GW_HWNDLAST,
// GW_HWNDNEXT, GW_HWNDPREV, GW_OWNER
{
assert(::IsWindow(m_hWnd));
return FromHandle( ::GetWindow(m_hWnd, uCmd) );
}
inline CDC* CWnd::GetWindowDC() const
// The GetWindowDC function retrieves the device context (DC) for the entire
// window, including title bar, menus, and scroll bars.
{
assert(::IsWindow(m_hWnd));
return CDC::AddTempHDC(::GetWindowDC(m_hWnd), m_hWnd);
}
inline CRect CWnd::GetWindowRect() const
// retrieves the dimensions of the bounding rectangle of the window.
// The dimensions are given in screen coordinates that are relative to the
// upper-left corner of the screen.
{
assert(::IsWindow(m_hWnd));
CRect rc;
::GetWindowRect(m_hWnd, &rc);
return rc;
}
inline int CWnd::GetWindowTextLength() const
// The GetWindowTextLength function retrieves the length, in characters, of the specified window's
// title bar text (if the window has a title bar).
{
assert(::IsWindow(m_hWnd));
return ::GetWindowTextLength(m_hWnd);
}
inline void CWnd::Invalidate(BOOL bErase /*= TRUE*/) const
// The Invalidate function adds the entire client area the window's update region.
// The update region represents the portion of the window's client area that must be redrawn.
{
assert(::IsWindow(m_hWnd));
::InvalidateRect(m_hWnd, NULL, bErase);
}
inline BOOL CWnd::InvalidateRect(LPCRECT lpRect, BOOL bErase /*= TRUE*/) const
// The InvalidateRect function adds a rectangle to the window's update region.
// The update region represents the portion of the window's client area that must be redrawn.
{
assert(::IsWindow(m_hWnd));
return ::InvalidateRect(m_hWnd, lpRect, bErase);
}
inline BOOL CWnd::InvalidateRgn(CRgn* pRgn, BOOL bErase /*= TRUE*/) const
// The InvalidateRgn function invalidates the client area within the specified region
// by adding it to the current update region of a window. The invalidated region,
// along with all other areas in the update region, is marked for painting when the
// next WM_PAINT message occurs.
{
assert(::IsWindow(m_hWnd));
HRGN hRgn = pRgn? (HRGN)pRgn->GetHandle() : NULL;
return ::InvalidateRgn(m_hWnd, hRgn, bErase);
}
inline BOOL CWnd::IsChild(CWnd* pChild) const
// The IsChild function tests whether a window is a child window or descendant window
// of a parent window's CWnd.
{
assert(::IsWindow(m_hWnd));
return ::IsChild(m_hWnd, pChild->GetHwnd());
}
inline BOOL CWnd::IsDialogMessage(LPMSG lpMsg) const
// The IsDialogMessage function determines whether a message is intended for the specified dialog box and,
// if it is, processes the message.
{
assert(::IsWindow(m_hWnd));
return ::IsDialogMessage(m_hWnd, lpMsg);
}
inline UINT CWnd::IsDlgButtonChecked(int nIDButton) const
// The IsDlgButtonChecked function determines whether a button control has a check mark next to it
// or whether a three-state button control is grayed, checked, or neither.
{
assert(::IsWindow(m_hWnd));
return ::IsDlgButtonChecked(m_hWnd, nIDButton);
}
inline BOOL CWnd::IsWindowEnabled() const
// The IsWindowEnabled function determines whether the window is enabled
// for mouse and keyboard input.
{
assert(::IsWindow(m_hWnd));
return ::IsWindowEnabled(m_hWnd);
}
inline BOOL CWnd::IsWindowVisible() const
// The IsWindowVisible function retrieves the visibility state of the window.
{
assert(::IsWindow(m_hWnd));
return ::IsWindowVisible(m_hWnd);
}
inline BOOL CWnd::IsWindow() const
// The IsWindow function determines whether the window exists.
{
return ::IsWindow(m_hWnd);
}
inline void CWnd::MapWindowPoints(CWnd* pWndTo, POINT& pt) const
// The MapWindowPoints function converts (maps) a set of points from a coordinate space relative to one
// window to a coordinate space relative to another window.
{
assert (m_hWnd);
if(pWndTo)
{
assert (pWndTo->GetHwnd());
::MapWindowPoints(m_hWnd, pWndTo->GetHwnd(), &pt, 1);
}
else
::MapWindowPoints(m_hWnd, NULL, &pt, 1);
}
inline void CWnd::MapWindowPoints(CWnd* pWndTo, RECT& rc) const
// The MapWindowPoints function converts (maps) a set of points from a coordinate space relative to one
// window to a coordinate space relative to another window.
{
assert (m_hWnd);
if(pWndTo)
{
assert (pWndTo->GetHwnd());
::MapWindowPoints(m_hWnd, pWndTo->GetHwnd(), (LPPOINT)&rc, 2);
}
else
::MapWindowPoints(m_hWnd, NULL, (LPPOINT)&rc, 2);
}
inline void CWnd::MapWindowPoints(CWnd* pWndTo, LPPOINT ptArray, UINT nCount) const
// The MapWindowPoints function converts (maps) a set of points from a coordinate space relative to one
// window to a coordinate space relative to another window.
{
assert (m_hWnd);
if (pWndTo)
{
assert (pWndTo->GetHwnd());
::MapWindowPoints(m_hWnd, pWndTo->GetHwnd(), (LPPOINT)ptArray, nCount);
}
else
::MapWindowPoints(m_hWnd, NULL, (LPPOINT)ptArray, nCount);
}
inline int CWnd::MessageBox(LPCTSTR lpText, LPCTSTR lpCaption, UINT uType) const
// The MessageBox function creates, displays, and operates a message box.
// Possible combinations of uType values include: MB_OK, MB_HELP, MB_OKCANCEL, MB_RETRYCANCEL,
// MB_YESNO, MB_YESNOCANCEL, MB_ICONEXCLAMATION, MB_ICONWARNING, MB_ICONERROR (+ many others).
{
assert(::IsWindow(m_hWnd));
return ::MessageBox(m_hWnd, lpText, lpCaption, uType);
}
inline BOOL CWnd::MoveWindow(int x, int y, int nWidth, int nHeight, BOOL bRepaint /* = TRUE*/) const
// The MoveWindow function changes the position and dimensions of the window.
{
assert(::IsWindow(m_hWnd));
return ::MoveWindow(m_hWnd, x, y, nWidth, nHeight, bRepaint = TRUE);
}
inline BOOL CWnd::MoveWindow(const RECT& rc, BOOL bRepaint /* = TRUE*/) const
// The MoveWindow function changes the position and dimensions of the window.
{
assert(::IsWindow(m_hWnd));
return ::MoveWindow(m_hWnd, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, bRepaint);
}
inline BOOL CWnd::PostMessage(UINT uMsg, WPARAM wParam /*= 0L*/, LPARAM lParam /*= 0L*/) const
// The PostMessage function places (posts) a message in the message queue
// associated with the thread that created the window and returns without
// waiting for the thread to process the message.
{
assert(::IsWindow(m_hWnd));
return ::PostMessage(m_hWnd, uMsg, wParam, lParam);
}
inline BOOL CWnd::PostMessage(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) const
// Required by by some macros
{
assert(::IsWindow(m_hWnd));
return ::PostMessage(hWnd, uMsg, wParam, lParam);
}
inline BOOL CWnd::RedrawWindow(LPCRECT lpRectUpdate, CRgn* pRgn, UINT flags) const
// The RedrawWindow function updates the specified rectangle or region in a window's client area.
{
assert(::IsWindow(m_hWnd));
HRGN hRgn = pRgn? (HRGN)pRgn->GetHandle() : NULL;
return ::RedrawWindow(m_hWnd, lpRectUpdate, hRgn, flags);
}
inline int CWnd::ReleaseDC(CDC* pDC) const
// The ReleaseDC function releases a device context (DC), freeing it for use
// by other applications.
{
assert(::IsWindow(m_hWnd));
assert(pDC);
return ::ReleaseDC(m_hWnd, pDC->GetHDC());
}
inline BOOL CWnd::ScreenToClient(POINT& Point) const
// The ScreenToClient function converts the screen coordinates of a specified point on the screen to client-area coordinates.
{
assert(::IsWindow(m_hWnd));
return ::ScreenToClient(m_hWnd, &Point);
}
inline BOOL CWnd::ScreenToClient(RECT& rc) const
// The ScreenToClient function converts the screen coordinates of a specified RECT on the screen to client-area coordinates.
{
assert(::IsWindow(m_hWnd));
return (BOOL)::MapWindowPoints(NULL, m_hWnd, (LPPOINT)&rc, 2);
}
inline LRESULT CWnd::SendDlgItemMessage(int nIDDlgItem, UINT Msg, WPARAM wParam, LPARAM lParam) const
// The SendDlgItemMessage function sends a message to the specified control in a dialog box.
{
assert(::IsWindow(m_hWnd));
return ::SendDlgItemMessage(m_hWnd, nIDDlgItem, Msg, wParam, lParam);
}
inline LRESULT CWnd::SendMessage(UINT uMsg, WPARAM wParam /*= 0L*/, LPARAM lParam /*= 0L*/) const
// The SendMessage function sends the specified message to a window or windows.
// It calls the window procedure for the window and does not return until the
// window procedure has processed the message.
{
assert(::IsWindow(m_hWnd));
return ::SendMessage(m_hWnd, uMsg, wParam, lParam);
}
inline LRESULT CWnd::SendMessage(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) const
// Required by by some macros
{
assert(::IsWindow(m_hWnd));
return ::SendMessage(hWnd, uMsg, wParam, lParam);
}
inline BOOL CWnd::SendNotifyMessage(UINT Msg, WPARAM wParam, LPARAM lParam) const
// The SendNotifyMessage function sends the specified message to a window or windows. If the window was created by the
// calling thread, SendNotifyMessage calls the window procedure for the window and does not return until the window procedure
// has processed the message. If the window was created by a different thread, SendNotifyMessage passes the message to the
// window procedure and returns immediately; it does not wait for the window procedure to finish processing the message.
{
assert(::IsWindow(m_hWnd));
return ::SendNotifyMessage(m_hWnd, Msg, wParam, lParam);
}
inline CWnd* CWnd::SetActiveWindow() const
// The SetActiveWindow function activates the window, but
// not if the application is in the background.
{
assert(::IsWindow(m_hWnd));
return FromHandle( ::SetActiveWindow(m_hWnd) );
}
inline CWnd* CWnd::SetCapture() const
// The SetCapture function sets the mouse capture to the window.
// SetCapture captures mouse input either when the mouse is over the capturing
// window, or when the mouse button was pressed while the mouse was over the
// capturing window and the button is still down.
{
assert(::IsWindow(m_hWnd));
return FromHandle( ::SetCapture(m_hWnd) );
}
inline ULONG_PTR CWnd::SetClassLongPtr(int nIndex, LONG_PTR dwNewLong) const
// The SetClassLongPtr function replaces the specified value at the specified offset in the
// extra class memory or the WNDCLASSEX structure for the class to which the window belongs.
{
assert(::IsWindow(m_hWnd));
return ::SetClassLongPtr(m_hWnd, nIndex, dwNewLong);
}
inline CWnd* CWnd::SetFocus() const
// The SetFocus function sets the keyboard focus to the window.
{
assert(::IsWindow(m_hWnd));
return FromHandle( ::SetFocus(m_hWnd) );
}
inline void CWnd::SetFont(CFont* pFont, BOOL bRedraw /* = TRUE*/) const
// Specifies the font that the window will use when drawing text.
{
assert(::IsWindow(m_hWnd));
assert(pFont);
SendMessage(WM_SETFONT, (WPARAM)pFont->GetHandle(), (LPARAM)bRedraw);
}
inline HICON CWnd::SetIcon(HICON hIcon, BOOL bBigIcon) const
// Associates a new large or small icon with a window.
{
assert(::IsWindow(m_hWnd));
return (HICON)SendMessage(WM_SETICON, (WPARAM)bBigIcon, (LPARAM)hIcon);
}
inline BOOL CWnd::SetForegroundWindow() const
// The SetForegroundWindow function puts the thread that created the window into the
// foreground and activates the window.
{
assert(::IsWindow(m_hWnd));
return ::SetForegroundWindow(m_hWnd);
}
inline CWnd* CWnd::SetParent(CWnd* pWndParent) const
// The SetParent function changes the parent window of the child window.
{
assert(::IsWindow(m_hWnd));
if (pWndParent)
{
HWND hParent = pWndParent->GetHwnd();
return FromHandle(::SetParent(m_hWnd, hParent));
}
else
return FromHandle(::SetParent(m_hWnd, 0));
}
inline BOOL CWnd::SetRedraw(BOOL bRedraw /*= TRUE*/) const
// This function allows changes in that window to be redrawn or prevents changes
// in that window from being redrawn.
{
assert(::IsWindow(m_hWnd));
return (BOOL)::SendMessage(m_hWnd, WM_SETREDRAW, (WPARAM)bRedraw, 0L);
}
inline LONG_PTR CWnd::SetWindowLongPtr(int nIndex, LONG_PTR dwNewLong) const
// The SetWindowLongPtr function changes an attribute of the window.
{
assert(::IsWindow(m_hWnd));
return ::SetWindowLongPtr(m_hWnd, nIndex, dwNewLong);
}
inline BOOL CWnd::SetWindowPos(HWND hWndInsertAfter, int x, int y, int cx, int cy, UINT uFlags) const
// The SetWindowPos function changes the size, position, and Z order of a child, pop-up,
// or top-level window. The hWndInsertAfter can be a HWND or one of:
// HWND_BOTTOM, HWND_NOTOPMOST, HWND_TOP, HWND_TOPMOST
{
assert(::IsWindow(m_hWnd));
return ::SetWindowPos(m_hWnd, hWndInsertAfter, x, y, cx, cy, uFlags);
}
inline BOOL CWnd::SetWindowPos(HWND hWndInsertAfter, const RECT& rc, UINT uFlags) const
// The SetWindowPos function changes the size, position, and Z order of a child, pop-up,
// or top-level window. The hWndInsertAfter can be a HWND or one of:
// HWND_BOTTOM, HWND_NOTOPMOST, HWND_TOP, HWND_TOPMOST
{
assert(::IsWindow(m_hWnd));
return ::SetWindowPos(m_hWnd, hWndInsertAfter, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, uFlags);
}
inline int CWnd::SetWindowRgn(CRgn* pRgn, BOOL bRedraw /*= TRUE*/) const
// The SetWindowRgn function sets the window region of the window.
// The window region determines the area within the window where the system permits drawing.
{
assert(::IsWindow(m_hWnd));
HRGN hRgn = pRgn? (HRGN)pRgn->GetHandle() : NULL;
int iResult = ::SetWindowRgn(m_hWnd, hRgn, bRedraw);
if (iResult && pRgn)
pRgn->Detach(); // The system owns the region now
return iResult;
}
inline BOOL CWnd::SetDlgItemInt(int nIDDlgItem, UINT uValue, BOOL bSigned) const
// The SetDlgItemInt function sets the text of a control in a dialog box to the string representation of a specified integer value.
{
assert(::IsWindow(m_hWnd));
return ::SetDlgItemInt(m_hWnd, nIDDlgItem, uValue, bSigned);
}
inline BOOL CWnd::SetDlgItemText(int nIDDlgItem, LPCTSTR lpString) const
// The SetDlgItemText function sets the title or text of a control in a dialog box.
{
assert(::IsWindow(m_hWnd));
return ::SetDlgItemText(m_hWnd, nIDDlgItem, lpString);
}
inline UINT_PTR CWnd::SetTimer(UINT_PTR nIDEvent, UINT uElapse, TIMERPROC lpTimerFunc) const
// Creates a timer with the specified time-out value.
{
assert(::IsWindow(m_hWnd));
return ::SetTimer(m_hWnd, nIDEvent, uElapse, lpTimerFunc);
}
inline BOOL CWnd::SetWindowText(LPCTSTR lpString) const
// The SetWindowText function changes the text of the window's title bar (if it has one).
{
assert(::IsWindow(m_hWnd));
return ::SetWindowText(m_hWnd, lpString);
}
inline HRESULT CWnd::SetWindowTheme(LPCWSTR pszSubAppName, LPCWSTR pszSubIdList) const
// Set the XP Theme for a window.
// Exampes:
// SetWindowTheme(NULL, NULL); // Reverts the window's XP theme back to default
// SetWindowTheme(L" ", L" "); // Disables XP theme for the window
{
HRESULT hr = E_NOTIMPL;
#ifndef _WIN32_WCE
HMODULE hMod = ::LoadLibrary(_T("uxtheme.dll"));
if(hMod)
{
typedef HRESULT (__stdcall *PFNSETWINDOWTHEME)(HWND hWnd, LPCWSTR pszSubAppName, LPCWSTR pszSubIdList);
PFNSETWINDOWTHEME pfn = (PFNSETWINDOWTHEME)GetProcAddress(hMod, "SetWindowTheme");
hr = (*pfn)(m_hWnd, pszSubAppName, pszSubIdList);
::FreeLibrary(hMod);
}
#endif
return hr;
}
inline BOOL CWnd::ShowWindow(int nCmdShow /*= SW_SHOWNORMAL*/) const
// The ShowWindow function sets the window's show state.
{
assert(::IsWindow(m_hWnd));
return ::ShowWindow(m_hWnd, nCmdShow);
}
inline BOOL CWnd::UpdateWindow() const
// The UpdateWindow function updates the client area of the window by sending a
// WM_PAINT message to the window if the window's update region is not empty.
// If the update region is empty, no message is sent.
{
assert(::IsWindow(m_hWnd));
return ::UpdateWindow(m_hWnd);
}
inline BOOL CWnd::ValidateRect(LPCRECT prc) const
// The ValidateRect function validates the client area within a rectangle by
// removing the rectangle from the update region of the window.
{
assert(::IsWindow(m_hWnd));
return ::ValidateRect(m_hWnd, prc);
}
inline BOOL CWnd::ValidateRgn(CRgn* pRgn) const
// The ValidateRgn function validates the client area within a region by
// removing the region from the current update region of the window.
{
assert(::IsWindow(m_hWnd));
HRGN hRgn = pRgn? (HRGN)pRgn->GetHandle() : NULL;
return ::ValidateRgn(m_hWnd, hRgn);
}
inline CWnd* CWnd::WindowFromPoint(POINT pt)
// Retrieves the window that contains the specified point (in screen coodinates).
{
return FromHandle(::WindowFromPoint(pt));
}
//
// These functions aren't supported on WinCE
//
#ifndef _WIN32_WCE
inline BOOL CWnd::CloseWindow() const
// The CloseWindow function minimizes (but does not destroy) the window.
// To destroy a window, an application can use the Destroy function.
{
assert(::IsWindow(m_hWnd));
return ::CloseWindow(m_hWnd);
}
inline int CWnd::DlgDirList(LPTSTR lpPathSpec, int nIDListBox, int nIDStaticPath, UINT uFileType) const
// The DlgDirList function replaces the contents of a list box with the names of the subdirectories and files
// in a specified directory. You can filter the list of names by specifying a set of file attributes.
{
assert(::IsWindow(m_hWnd));
return ::DlgDirList(m_hWnd, lpPathSpec, nIDListBox, nIDStaticPath, uFileType);
}
inline int CWnd::DlgDirListComboBox(LPTSTR lpPathSpec, int nIDComboBox, int nIDStaticPath, UINT uFiletype) const
// The DlgDirListComboBox function replaces the contents of a combo box with the names of the subdirectories
// and files in a specified directory. You can filter the list of names by specifying a set of file attributes.
{
assert(::IsWindow(m_hWnd));
return ::DlgDirListComboBox(m_hWnd, lpPathSpec, nIDComboBox, nIDStaticPath, uFiletype);
}
inline BOOL CWnd::DlgDirSelectEx(LPTSTR lpString, int nCount, int nIDListBox) const
// The DlgDirSelectEx function retrieves the current selection from a single-selection list box. It assumes that the list box
// has been filled by the DlgDirList function and that the selection is a drive letter, filename, or directory name.
{
assert(::IsWindow(m_hWnd));
return ::DlgDirSelectEx(m_hWnd, lpString, nCount, nIDListBox);
}
inline BOOL CWnd::DlgDirSelectComboBoxEx(LPTSTR lpString, int nCount, int nIDComboBox) const
// The DlgDirSelectComboBoxEx function retrieves the current selection from a combo box filled by using the
// DlgDirListComboBox function. The selection is interpreted as a drive letter, a file, or a directory name.
{
assert(::IsWindow(m_hWnd));
return ::DlgDirSelectComboBoxEx(m_hWnd, lpString, nCount, nIDComboBox);
}
#ifndef WIN32_LEAN_AND_MEAN
inline void CWnd::DragAcceptFiles(BOOL fAccept) const
// Registers whether a window accepts dropped files.
{
assert(::IsWindow(m_hWnd));
::DragAcceptFiles(m_hWnd, fAccept);
}
#endif
inline BOOL CWnd::DrawAnimatedRects(int idAni, RECT& rcFrom, RECT& rcTo) const
// The DrawAnimatedRects function draws a wire-frame rectangle and animates it to indicate the opening of
// an icon or the minimizing or maximizing of a window.
{
assert(::IsWindow(m_hWnd));
return ::DrawAnimatedRects(m_hWnd, idAni, &rcFrom, &rcTo);
}
inline BOOL CWnd::DrawCaption(CDC* pDC, RECT& rc, UINT uFlags) const
// The DrawCaption function draws a window caption.
{
assert(::IsWindow(m_hWnd));
assert(pDC);
return ::DrawCaption(m_hWnd, pDC->GetHDC(), &rc, uFlags);
}
inline BOOL CWnd::EnableScrollBar(UINT uSBflags, UINT uArrows) const
// The EnableScrollBar function enables or disables one or both scroll bar arrows.
{
assert(::IsWindow(m_hWnd));
return ::EnableScrollBar(m_hWnd, uSBflags, uArrows);
}
inline CWnd* CWnd::GetLastActivePopup() const
// The GetLastActivePopup function determines which pop-up window owned by the specified window was most recently active.
{
assert(::IsWindow(m_hWnd));
return FromHandle( ::GetLastActivePopup(m_hWnd) );
}
inline CMenu* CWnd::GetMenu() const
// The GetMenu function retrieves a handle to the menu assigned to the window.
{
assert(::IsWindow(m_hWnd));
return FromHandle(::GetMenu(m_hWnd));
}
inline int CWnd::GetScrollPos(int nBar) const
// The GetScrollPos function retrieves the current position of the scroll box
// (thumb) in the specified scroll bar.
{
assert(::IsWindow(m_hWnd));
return ::GetScrollPos(m_hWnd, nBar);
}
inline BOOL CWnd::GetScrollRange(int nBar, int& MinPos, int& MaxPos) const
// The GetScrollRange function retrieves the current minimum and maximum scroll box
// (thumb) positions for the specified scroll bar.
{
assert(::IsWindow(m_hWnd));
return ::GetScrollRange(m_hWnd, nBar, &MinPos, &MaxPos );
}
inline CMenu* CWnd::GetSystemMenu(BOOL bRevert) const
// The GetSystemMenu function allows the application to access the window menu (also known as the system menu
// or the control menu) for copying and modifying.
{
assert(::IsWindow(m_hWnd));
return FromHandle(::GetSystemMenu(m_hWnd, bRevert));
}
inline CWnd* CWnd::GetTopWindow() const
// The GetTopWindow function examines the Z order of the child windows associated with the parent window and
// retrieves a handle to the child window at the top of the Z order.
{
assert(::IsWindow(m_hWnd));
return FromHandle( ::GetTopWindow(m_hWnd) );
}
inline BOOL CWnd::GetWindowPlacement(WINDOWPLACEMENT& wndpl) const
// The GetWindowPlacement function retrieves the show state and the restored,
// minimized, and maximized positions of the window.
{
assert(::IsWindow(m_hWnd));
return ::GetWindowPlacement(m_hWnd, &wndpl);
}
inline BOOL CWnd::HiliteMenuItem(CMenu* pMenu, UINT uItemHilite, UINT uHilite) const
// The HiliteMenuItem function highlights or removes the highlighting from an item in a menu bar.
{
assert(::IsWindow(m_hWnd));
assert(pMenu);
return ::HiliteMenuItem(m_hWnd, pMenu->GetHandle(), uItemHilite, uHilite);
}
inline BOOL CWnd::IsIconic() const
// The IsIconic function determines whether the window is minimized (iconic).
{
assert(::IsWindow(m_hWnd));
return ::IsIconic(m_hWnd);
}
inline BOOL CWnd::IsZoomed() const
// The IsZoomed function determines whether the window is maximized.
{
assert(::IsWindow(m_hWnd));
return ::IsZoomed(m_hWnd);
}
inline BOOL CWnd::KillTimer(UINT_PTR uIDEvent) const
// Destroys the specified timer.
{
assert(::IsWindow(m_hWnd));
return ::KillTimer(m_hWnd, uIDEvent);
}
inline BOOL CWnd::LockWindowUpdate() const
// Disables drawing in the window. Only one window can be locked at a time.
// Use UnLockWindowUpdate to re-enable drawing in the window
{
assert(::IsWindow(m_hWnd));
return ::LockWindowUpdate(m_hWnd);
}
inline BOOL CWnd::OpenIcon() const
// The OpenIcon function restores a minimized (iconic) window to its previous size and position.
{
assert(::IsWindow(m_hWnd));
return ::OpenIcon(m_hWnd);
}
inline void CWnd::Print(CDC* pDC, DWORD dwFlags) const
// Requests that the window draw itself in the specified device context, most commonly in a printer device context.
{
assert(::IsWindow(m_hWnd));
assert(pDC);
SendMessage(m_hWnd, WM_PRINT, (WPARAM)pDC, (LPARAM)dwFlags);
}
inline BOOL CWnd::ScrollWindow(int XAmount, int YAmount, LPCRECT lprcScroll, LPCRECT lprcClip) const
// The ScrollWindow function scrolls the contents of the specified window's client area.
{
assert(::IsWindow(m_hWnd));
return ::ScrollWindow(m_hWnd, XAmount, YAmount, lprcScroll, lprcClip);
}
inline int CWnd::ScrollWindowEx(int dx, int dy, LPCRECT lprcScroll, LPCRECT lprcClip, CRgn* prgnUpdate, LPRECT lprcUpdate, UINT flags) const
// The ScrollWindow function scrolls the contents of the window's client area.
{
assert(::IsWindow(m_hWnd));
HRGN hrgnUpdate = prgnUpdate? (HRGN)prgnUpdate->GetHandle() : NULL;
return ::ScrollWindowEx(m_hWnd, dx, dy, lprcScroll, lprcClip, hrgnUpdate, lprcUpdate, flags);
}
inline BOOL CWnd::SetMenu(CMenu* pMenu) const
// The SetMenu function assigns a menu to the specified window.
// A hMenu of NULL removes the menu.
{
assert(::IsWindow(m_hWnd));
return ::SetMenu(m_hWnd, pMenu? pMenu->GetHandle() : NULL);
}
inline int CWnd::SetScrollInfo(int fnBar, const SCROLLINFO& si, BOOL fRedraw) const
// The SetScrollInfo function sets the parameters of a scroll bar, including
// the minimum and maximum scrolling positions, the page size, and the
// position of the scroll box (thumb).
{
assert(::IsWindow(m_hWnd));
return ::SetScrollInfo(m_hWnd, fnBar, &si, fRedraw);
}
inline int CWnd::SetScrollPos(int nBar, int nPos, BOOL bRedraw) const
// The SetScrollPos function sets the position of the scroll box (thumb) in
// the specified scroll bar.
{
assert(::IsWindow(m_hWnd));
return ::SetScrollPos(m_hWnd, nBar, nPos, bRedraw);
}
inline BOOL CWnd::SetScrollRange(int nBar, int nMinPos, int nMaxPos, BOOL bRedraw) const
// The SetScrollRange function sets the minimum and maximum scroll box positions for the scroll bar.
{
assert(::IsWindow(m_hWnd));
return ::SetScrollRange(m_hWnd, nBar, nMinPos, nMaxPos, bRedraw);
}
inline BOOL CWnd::SetWindowPlacement(const WINDOWPLACEMENT& wndpl) const
// The SetWindowPlacement function sets the show state and the restored, minimized,
// and maximized positions of the window.
{
assert(::IsWindow(m_hWnd));
return ::SetWindowPlacement(m_hWnd, &wndpl);
}
inline BOOL CWnd::ShowOwnedPopups(BOOL fShow) const
// The ShowOwnedPopups function shows or hides all pop-up windows owned by the specified window.
{
assert(::IsWindow(m_hWnd));
return ::ShowOwnedPopups(m_hWnd, fShow);
}
inline BOOL CWnd::ShowScrollBar(int nBar, BOOL bShow) const
// The ShowScrollBar function shows or hides the specified scroll bar.
{
assert(::IsWindow(m_hWnd));
return ::ShowScrollBar(m_hWnd, nBar, bShow);
}
inline BOOL CWnd::ShowWindowAsync(int nCmdShow) const
// The ShowWindowAsync function sets the show state of a window created by a different thread.
{
assert(::IsWindow(m_hWnd));
return ::ShowWindowAsync(m_hWnd, nCmdShow);
}
inline BOOL CWnd::UnLockWindowUpdate() const
// Enables drawing in the window. Only one window can be locked at a time.
// Use LockWindowUpdate to disable drawing in the window
{
assert(::IsWindow(m_hWnd));
return ::LockWindowUpdate(0);
}
inline CWnd* CWnd::WindowFromDC(CDC* pDC) const
// The WindowFromDC function returns a handle to the window associated with the specified display device context (DC).
{
assert(pDC);
return FromHandle( ::WindowFromDC(pDC->GetHDC()) );
}
#endif
}; // namespace Win32xx
#endif // _WIN32XX_WINCORE_H_
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