subclassed background window behind the visible desktop window More...

#include <desktop.h>

Inheritance diagram for BackgroundWindow:

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Collaboration diagram for BackgroundWindow:

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Public Types
typedef SubclassedWindow	super

Public Types inherited from SubclassedWindow
typedef Window	super

Public Types inherited from Window
typedef map< HWND, Window * >	WindowMap

typedef Window (	CREATORFUNC) (HWND)

typedef Window (	CREATORFUNC_INFO) (HWND, const void *)

Public Member Functions
	BackgroundWindow (HWND hwnd)

Public Member Functions inherited from SubclassedWindow
	SubclassedWindow (HWND)

Public Member Functions inherited from Window
	Window (HWND hwnd)

virtual	~Window ()

LRESULT	SendParent (UINT nmsg, WPARAM wparam=0, LPARAM lparam=0)

LRESULT	PostParent (UINT nmsg, WPARAM wparam=0, LPARAM lparam=0)

	Window (INT cx, INT cy, BOOL fAutoHide=FALSE)

virtual	~Window ()

virtual LRESULT CALLBACK	WindowProcDx (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)

void	DoAction ()

Protected Member Functions
LRESULT	WndProc (UINT nmsg, WPARAM wparam, LPARAM lparam)

void	DrawDesktopBkgnd (HDC hdc)

Protected Member Functions inherited from SubclassedWindow
virtual LRESULT	WndProc (UINT nmsg, WPARAM wparam, LPARAM lparam)

virtual int	Command (int id, int code)

virtual int	Notify (int id, NMHDR *pnmh)

Protected Member Functions inherited from Window
virtual LRESULT	Init (LPCREATESTRUCT pcs)

virtual LRESULT	WndProc (UINT nmsg, WPARAM wparam, LPARAM lparam)

virtual int	Command (int id, int code)

virtual int	Notify (int id, NMHDR *pnmh)

void	OnCommand (HWND hwnd, int id, HWND hwndCtl, UINT codeNotify)

void	OnPaint (HWND hwnd)

void	OnRButtonDown (HWND hwnd, BOOL fDoubleClick, int x, int y, UINT keyFlags)

void	OnKey (HWND hwnd, UINT vk, BOOL fDown, int cRepeat, UINT flags)

void	OnAppBarCallback (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)

BOOL	AppBar_Register (HWND hwnd)

BOOL	AppBar_UnRegister (HWND hwnd)

BOOL	AppBar_SetAutoHide (HWND hwnd, BOOL fHide)

BOOL	AppBar_AutoHide (HWND hwnd)

BOOL	AppBar_NoAutoHide (HWND hwnd)

BOOL	AppBar_SetSide (HWND hwnd, UINT uSide)

void	AppBar_SetAlwaysOnTop (HWND hwnd, BOOL fOnTop)

void	AppBar_Hide (HWND hwnd)

void	AppBar_UnHide (HWND hwnd)

void	AppBar_SetAutoHideTimer (HWND hwnd)

void	AppBar_SetAutoUnhideTimer (HWND hwnd)

void	AppBar_Size (HWND hwnd)

void	AppBar_QueryPos (HWND hwnd, LPRECT lprc)

void	AppBar_QuerySetPos (UINT uEdge, LPRECT lprc, PAPPBARDATA pabd, BOOL fMove)

void	AppBar_PosChanged (PAPPBARDATA pabd)

BOOL	OnCreate (HWND hwnd, LPCREATESTRUCT lpCreateStruct)

void	OnActivate (HWND hwnd, UINT state, HWND hwndActDeact, BOOL fMinimized)

void	OnWindowPosChanged (HWND hwnd, const LPWINDOWPOS lpwpos)

void	OnSize (HWND hwnd, UINT state, int cx, int cy)

void	OnMove (HWND hwnd, int x, int y)

void	OnNCDestroy (HWND hwnd)

void	OnTimer (HWND hwnd, UINT id)

UINT	OnNCHitTest (HWND hwnd, int x, int y)

void	OnLButtonDown (HWND hwnd, BOOL fDoubleClick, int x, int y, UINT keyFlags)

void	OnMouseMove (HWND hwnd, int x, int y, UINT keyFlags)

void	OnLButtonUp (HWND hwnd, int x, int y, UINT keyFlags)

void	GetWorkArea (LPRECT prc) const

Protected Attributes
int	_display_version

Protected Attributes inherited from SubclassedWindow
WNDPROC	_orgWndProc

Protected Attributes inherited from Window
HWND	m_hwnd

BOOL	m_fAutoHide

BOOL	m_fOnTop

BOOL	m_fHiding

UINT	m_uSide

LONG	m_cxWidth

LONG	m_cyHeight

LONG	m_cxSave

LONG	m_cySave

BOOL	m_fAppBarRegd

BOOL	m_fMoving

BOOL	m_bDragged

POINT	m_ptDragOn

RECT	m_rcAppBar

RECT	m_rcDrag

Additional Inherited Members
Static Public Member Functions inherited from Window
static HWND	Create (CREATORFUNC creator, DWORD dwExStyle, LPCTSTR lpClassName, LPCTSTR lpWindowName, DWORD dwStyle, int x, int y, int w, int h, HWND hwndParent=0, HMENU hMenu=0)

static HWND	Create (CREATORFUNC_INFO creator, const void *info, DWORD dwExStyle, LPCTSTR lpClassName, LPCTSTR lpWindowName, DWORD dwStyle, int x, int y, int w, int h, HWND hwndParent=0, HMENU hMenu=0)

static Window *	create_mdi_child (const ChildWndInfo &info, const MDICREATESTRUCT &mcs, CREATORFUNC_INFO creator)

static LRESULT CALLBACK	WindowWndProc (HWND hwnd, UINT nmsg, WPARAM wparam, LPARAM lparam)

static INT_PTR CALLBACK	DialogProc (HWND hwnd, UINT nmsg, WPARAM wparam, LPARAM lparam)

static Window *	get_window (HWND hwnd)
	get window controller from window handle

template<typename CLASS >
static CLASS *	get_window (HWND hwnd)

static void	register_pretranslate (HWND hwnd)

static void	unregister_pretranslate (HWND hwnd)

static BOOL	pretranslate_msg (LPMSG pmsg)

static void	register_dialog (HWND hwnd)

static void	unregister_dialog (HWND hwnd)

static BOOL	dispatch_dialog_msg (LPMSG pmsg)

static int	MessageLoop ()

static void	CancelModes ()

static BOOL	DoRegisterClass (HINSTANCE hInstance)

static HWND	DoCreateMainWnd (HINSTANCE hInstance, LPCTSTR pszText, INT cx, INT cy, DWORD style=WS_POPUP\|WS_THICKFRAME\|WS_CLIPCHILDREN, DWORD exstyle=WS_EX_WINDOWEDGE\|WS_EX_TOOLWINDOW\|WS_EX_TOPMOST, BOOL fAutoHide=FALSE)

static INT	DoMainLoop ()

static Window *	GetAppbarData (HWND hwnd)

static LRESULT CALLBACK	WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)

static DWORD WINAPI	ActionThreadFunc (LPVOID args)

Public Attributes inherited from Window
IAccessible	IAccessible_iface

IOleWindow	IOleWindow_iface

IEnumVARIANT	IEnumVARIANT_iface

LONG	ref

Static Protected Member Functions inherited from SubclassedWindow
static LRESULT CALLBACK	SubclassedWndProc (HWND hwnd, UINT nmsg, WPARAM wparam, LPARAM lparam)

Static Protected Member Functions inherited from Window
static Window *	create_controller (HWND hwnd)
	create controller for a new window

static StaticWindowData &	GetStaticWindowData ()

static LRESULT CALLBACK	MDICBTHookProc (int code, WPARAM wparam, LPARAM lparam)

static LRESULT CALLBACK	PropSheetCBTHookProc (int code, WPARAM wparam, LPARAM lparam)

Static Protected Attributes inherited from Window
static WindowMap	s_wnd_map

static const void *	s_new_info = NULL

static CREATORFUNC	s_window_creator = NULL

static HHOOK	s_hcbtHook = 0

static WindowSet	s_pretranslate_windows

static WindowSet	s_dialogs

Detailed Description

subclassed background window behind the visible desktop window

Definition at line 35 of file desktop.h.

Member Typedef Documentation

◆ super

typedef SubclassedWindow BackgroundWindow::super

Definition at line 37 of file desktop.h.

Constructor & Destructor Documentation

◆ BackgroundWindow()

BackgroundWindow::BackgroundWindow ( HWND hwnd )

Definition at line 259 of file desktop.cpp.

 :  super(hwnd)
{
     // set background brush for the short moment of displaying the
     // background color while moving foreground windows
    SetClassLongPtr(hwnd, GCL_HBRBACKGROUND, COLOR_BACKGROUND+1);
 
    _display_version = RegGetDWORDValue(HKEY_CURRENT_USER, TEXT("Control Panel\\Desktop"), TEXT("PaintDesktopVersion"), 1);
}

Member Function Documentation

◆ DrawDesktopBkgnd()

void BackgroundWindow::DrawDesktopBkgnd ( HDC hdc )

protected

Definition at line 301 of file desktop.cpp.

{
    PaintDesktop(hdc);
 
/* special solid background
    HBRUSH bkgndBrush = CreateSolidBrush(RGB(0,32,160));    // dark blue
    FillRect(hdc, &rect, bkgndBrush);
    DeleteBrush(bkgndBrush);
*/
}

Referenced by WndProc().

◆ WndProc()

LRESULT BackgroundWindow::WndProc	(	UINT	nmsg,
		WPARAM	wparam,
		LPARAM	lparam
	)

protectedvirtual

Todo:: Changing the PaintDesktopVersion-Flag needs a restart of the shell -> display a message box

Reimplemented from SubclassedWindow.

Definition at line 269 of file desktop.cpp.

{
    switch(nmsg) {
      case WM_ERASEBKGND:
        DrawDesktopBkgnd((HDC)wparam);
        return TRUE;
 
      case WM_MBUTTONDBLCLK:
        /* Imagelist icons are missing if MainFrame::Create() is called directly from here!
        explorer_show_frame(SW_SHOWNORMAL); */
        PostMessage(g_Globals._hwndDesktop, nmsg, wparam, lparam);
        break;
 
      case PM_DISPLAY_VERSION:
        if (lparam || wparam) {
            DWORD or_mask = wparam;
            DWORD reset_mask = LOWORD(lparam);
            DWORD xor_mask = HIWORD(lparam);
            _display_version = ((_display_version&~reset_mask) | or_mask) ^ xor_mask;
            RegSetDWORDValue(HKEY_CURRENT_USER, TEXT("Control Panel\\Desktop"), TEXT("PaintDesktopVersion"), _display_version);
            InvalidateRect(_hwnd, NULL, TRUE);
        }
        return _display_version;
 
      default:
        return super::WndProc(nmsg, wparam, lparam);
    }
 
    return 0;
}

Member Data Documentation

◆ _display_version

int BackgroundWindow::_display_version

protected

Definition at line 46 of file desktop.h.

Referenced by BackgroundWindow(), and WndProc().

The documentation for this struct was generated from the following files:

modules/rosapps/applications/explorer-old/desktop/desktop.h
modules/rosapps/applications/explorer-old/desktop/desktop.cpp

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members