DesktopShellView Struct Reference

subclassed ShellView window More...

#include <desktop.h>

Inheritance diagram for DesktopShellView:

Collaboration diagram for DesktopShellView:

Public Types
typedef ExtContextMenuHandlerT< SubclassedWindow >	super
Public Types inherited from ExtContextMenuHandlerT< SubclassedWindow >
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
	DesktopShellView (HWND hwnd, IShellView *pShellView)
	~DesktopShellView ()
bool	InitDragDrop ()
Public Member Functions inherited from ExtContextMenuHandlerT< SubclassedWindow >
	ExtContextMenuHandlerT (HWND hwnd)
	ExtContextMenuHandlerT (HWND hwnd, const PARA &info)
LRESULT	WndProc (UINT nmsg, WPARAM wparam, LPARAM lparam)
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)
int	Command (int id, int code)
int	Notify (int id, NMHDR *pnmh)
bool	DoContextMenu (int x, int y)
HRESULT	DoDesktopContextMenu (int x, int y)
void	PositionIcons (int dir=1)
void	refresh ()
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
IShellView *	_pShellView
HWND	_hwndListView
int	_icon_algo
Protected Attributes inherited from ExtContextMenuHandlerT< SubclassedWindow >
CtxMenuInterfaces	_cm_ifs
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 ShellView window

Definition at line 169 of file desktop.h.

Member Typedef Documentation

super

typedef ExtContextMenuHandlerT<SubclassedWindow> DesktopShellView::super

Definition at line 171 of file desktop.h.

Constructor & Destructor Documentation

DesktopShellView()

DesktopShellView::DesktopShellView	(	HWND	hwnd,
		IShellView *	pShellView
	)

Definition at line 520 of file desktop.cpp.

 :  super(hwnd),
    _pShellView(pShellView)
{
    _hwndListView = GetNextWindow(hwnd, GW_CHILD);
 
     // work around for Windows NT, Win 98, ...
     // Without this the desktop has mysteriously only a size of 800x600 pixels.
    ClientRect rect(hwnd);
    MoveWindow(_hwndListView, 0, 0, rect.right, rect.bottom, TRUE);
 
     // subclass background window
    new BackgroundWindow(_hwndListView);
 
    _icon_algo = 0; // default icon arrangement
 
    InitDragDrop();
}

~DesktopShellView()

DesktopShellView::~DesktopShellView

(

)

Definition at line 540 of file desktop.cpp.

{
    if (FAILED(RevokeDragDrop(_hwnd)))
        assert(0);
}

Member Function Documentation

Command()

int DesktopShellView::Command ( int  id, int  code  )

protectedvirtual

Reimplemented from SubclassedWindow.

Definition at line 602 of file desktop.cpp.

{
    return super::Command(id, code);
}

DoContextMenu()

bool DesktopShellView::DoContextMenu ( int  x, int  y  )

protected

Definition at line 612 of file desktop.cpp.

{
    IDataObject* selection;
 
    HRESULT hr = _pShellView->GetItemObject(SVGIO_SELECTION, IID_IDataObject, (void**)&selection);
    if (FAILED(hr))
        return false;
 
    PIDList pidList;
 
    hr = pidList.GetData(selection);
    if (FAILED(hr)) {
        selection->Release();
        //CHECKERROR(hr);
        return false;
    }
 
    LPIDA pida = pidList;
    if (!pida->cidl) {
        selection->Release();
        return false;
    }
 
    LPCITEMIDLIST parent_pidl = (LPCITEMIDLIST) ((LPBYTE)pida+pida->aoffset[0]);
 
    LPCITEMIDLIST* apidl = (LPCITEMIDLIST*) alloca(pida->cidl*sizeof(LPCITEMIDLIST));
 
    for(int i=pida->cidl; i>0; --i)
        apidl[i-1] = (LPCITEMIDLIST) ((LPBYTE)pida+pida->aoffset[i]);
 
    hr = ShellFolderContextMenu(ShellFolder(parent_pidl), _hwnd, pida->cidl, apidl, x, y, _cm_ifs);
 
    selection->Release();
 
    if (SUCCEEDED(hr))
        refresh();
    else
        CHECKERROR(hr);
 
    return true;
}

Referenced by WndProc().

DoDesktopContextMenu()

HRESULT DesktopShellView::DoDesktopContextMenu ( int  x, int  y  )

protected

Definition at line 654 of file desktop.cpp.

{
    IContextMenu* pcm;
 
    HRESULT hr = DesktopFolder()->GetUIObjectOf(_hwnd, 0, NULL, IID_IContextMenu, NULL, (LPVOID*)&pcm);
 
    if (SUCCEEDED(hr)) {
        pcm = _cm_ifs.query_interfaces(pcm);
 
        HMENU hmenu = CreatePopupMenu();
 
        if (hmenu) {
            hr = pcm->QueryContextMenu(hmenu, 0, FCIDM_SHVIEWFIRST, FCIDM_SHVIEWLAST-1, CMF_NORMAL|CMF_EXPLORE);
 
            if (SUCCEEDED(hr)) {
                AppendMenu(hmenu, MF_SEPARATOR, 0, NULL);
                AppendMenu(hmenu, 0, FCIDM_SHVIEWLAST-1, ResString(IDS_ABOUT_EXPLORER));
 
                UINT idCmd = TrackPopupMenu(hmenu, TPM_LEFTALIGN|TPM_RETURNCMD|TPM_RIGHTBUTTON, x, y, 0, _hwnd, NULL);
 
                _cm_ifs.reset();
 
                if (idCmd == FCIDM_SHVIEWLAST-1) {
                    explorer_about(_hwnd);
                } else if (idCmd) {
                  CMINVOKECOMMANDINFO cmi;
 
                  cmi.cbSize = sizeof(CMINVOKECOMMANDINFO);
                  cmi.fMask = 0;
                  cmi.hwnd = _hwnd;
                  cmi.lpVerb = (LPCSTR)(INT_PTR)(idCmd - FCIDM_SHVIEWFIRST);
                  cmi.lpParameters = NULL;
                  cmi.lpDirectory = NULL;
                  cmi.nShow = SW_SHOWNORMAL;
                  cmi.dwHotKey = 0;
                  cmi.hIcon = 0;
 
                  hr = pcm->InvokeCommand(&cmi);
                }
            } else
                _cm_ifs.reset();
            DestroyMenu(hmenu);
        }
 
        pcm->Release();
    }
 
    return hr;
}

Referenced by WndProc().

InitDragDrop()

bool DesktopShellView::InitDragDrop

(

)

Definition at line 547 of file desktop.cpp.

{
    CONTEXT("DesktopShellView::InitDragDrop()");
 
    DesktopDropTarget * pDropTarget = new DesktopDropTarget(_hwnd);
 
    if (!pDropTarget)
        return false;
 
    pDropTarget->AddRef();
 
    if (FAILED(RegisterDragDrop(_hwnd, pDropTarget))) {
        pDropTarget->Release();
        return false;
    }
 
    FORMATETC ftetc;
 
    ftetc.dwAspect = DVASPECT_CONTENT;
    ftetc.lindex = -1;
    ftetc.tymed = TYMED_HGLOBAL;
    ftetc.cfFormat = CF_HDROP;
 
    pDropTarget->AddSuportedFormat(ftetc);
    pDropTarget->Release();
 
    return true;
}

Referenced by DesktopShellView().

Notify()

int DesktopShellView::Notify ( int  id, NMHDR *  pnmh  )

protectedvirtual

Reimplemented from SubclassedWindow.

Definition at line 607 of file desktop.cpp.

{
    return super::Notify(id, pnmh);
}

PositionIcons()

void DesktopShellView::PositionIcons ( int  dir = 1 )

protected

Todo:

Definition at line 757 of file desktop.cpp.

{
    DWORD spacing = ListView_GetItemSpacing(_hwndListView, FALSE);
 
    RECT work_area;
    SystemParametersInfo(SPI_GETWORKAREA, 0, &work_area, 0);
 
    /* disable default allignment */
    SetWindowStyle(_hwndListView, GetWindowStyle(_hwndListView)&~LVS_ALIGNMASK);//|LVS_ALIGNTOP|LVS_AUTOARRANGE);
 
    const POINTS& dir1 = s_align_dir1[_icon_algo];
    const POINTS& dir2 = s_align_dir2[_icon_algo];
    const POINTS& start_pos = s_align_start[_icon_algo];
 
    int dir_x1 = dir1.x;
    int dir_y1 = dir1.y;
    int dir_x2 = dir2.x;
    int dir_y2 = dir2.y;
 
    int cx = LOWORD(spacing);
    int cy = HIWORD(spacing);
 
    int dx1 = dir_x1 * cx;
    int dy1 = dir_y1 * cy;
    int dx2 = dir_x2 * cx;
    int dy2 = dir_y2 * cy;
 
    int xoffset = (cx-32)/2;
    int yoffset = 4/*(cy-32)/2*/;
 
    int start_x = start_pos.x * (work_area.right - cx) + xoffset;
    int start_y = start_pos.y * (work_area.bottom - cy) + yoffset;
 
    int x = start_x;
    int y = start_y;
 
    int all = ListView_GetItemCount(_hwndListView);
    int i1, i2;
 
    if (dir > 0) {
        i1 = 0;
        i2 = all;
    } else {
        i1 = all-1;
        i2 = -1;
    }
 
    IconMap pos_idx;
    int cnt = 0;
    int xhv = start_x;
    int yhv = start_y;
 
    for(int idx=i1; idx!=i2; idx+=dir) {
        pos_idx[IconPos(y, x)] = idx;
 
        if (_icon_algo == ARRANGE_BORDER_DOWN) {
            if (++cnt & 1)
                x = work_area.right - x - cx + 2*xoffset;
            else {
                y += dy1;
 
                if (y + cy - 2 * yoffset > work_area.bottom) {
                    y = start_y;
                    start_x += dx2;
                    x = start_x;
                }
            }
 
            continue;
        }
        else if (_icon_algo == ARRANGE_BORDER_HV) {
            if (++cnt & 1)
                x = work_area.right - x - cx + 2*xoffset;
            else if (cnt & 2) {
                yhv += cy;
                y = yhv;
                x = start_x;
 
                if (y + cy - 2 * yoffset > work_area.bottom) {
                    start_x += cx;
                    xhv = start_x;
                    x = xhv;
                    start_y += cy;
                    yhv = start_y;
                    y = yhv;
                }
            } else {
                xhv += cx;
                x = xhv;
                y = start_y;
 
                if (x + cx - 2 * xoffset > work_area.right) {
                    start_x += cx;
                    xhv = start_x;
                    x = xhv;
                    start_y += cy;
                    yhv = start_y;
                    y = yhv;
                }
            }
 
            continue;
        }
        else if (_icon_algo == ARRANGE_ROUNDABOUT) {
 
 
        }
 
        x += dx1;
        y += dy1;
 
        if (x<0 || x+cx-2*xoffset>work_area.right) {
            x = start_x;
            y += dy2;
        } else if (y<0 || y+cy-2*yoffset>work_area.bottom) {
            y = start_y;
            x += dx2;
        }
    }
 
     // use a little trick to get the icons where we want them to be...
 
    //for(IconMap::const_iterator it=pos_idx.end(); --it!=pos_idx.begin(); ) {
    //  const IconPos& pos = it->first;
 
    //  ListView_SetItemPosition32(_hwndListView, it->second, pos.second, pos.first);
    //}
 
    for(IconMap::const_iterator it=pos_idx.begin(); it!=pos_idx.end(); ++it) {
        const IconPos& pos = it->first;
 
        ListView_SetItemPosition32(_hwndListView, it->second, pos.second, pos.first);
    }
}

Referenced by WndProc().

refresh()

void DesktopShellView::refresh ( )

protected

Todo:

Definition at line 894 of file desktop.cpp.

{
}

Referenced by DoContextMenu().

WndProc()

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

protectedvirtual

Reimplemented from SubclassedWindow.

Definition at line 576 of file desktop.cpp.

{
    switch(nmsg) {
      case WM_CONTEXTMENU:
        if (!DoContextMenu(GET_X_LPARAM(lparam), GET_Y_LPARAM(lparam)))
            DoDesktopContextMenu(GET_X_LPARAM(lparam), GET_Y_LPARAM(lparam));
        break;
 
      case PM_SET_ICON_ALGORITHM:
        _icon_algo = wparam;
        PositionIcons();
        break;
 
      case PM_GET_ICON_ALGORITHM:
        return _icon_algo;
 
      case PM_DISPLAY_VERSION:
        return SendMessage(_hwndListView, nmsg, wparam, lparam);
 
      default:
        return super::WndProc(nmsg, wparam, lparam);
    }
 
    return 0;
}

Member Data Documentation

_hwndListView

HWND DesktopShellView::_hwndListView

protected

Definition at line 191 of file desktop.h.

Referenced by DesktopShellView(), PositionIcons(), and WndProc().

_icon_algo

int DesktopShellView::_icon_algo

protected

Definition at line 192 of file desktop.h.

Referenced by DesktopShellView(), PositionIcons(), and WndProc().

_pShellView

IShellView* DesktopShellView::_pShellView

protected

Definition at line 179 of file desktop.h.

Referenced by DoContextMenu().

---

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