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

898 lines
20 KiB
C++

/*
* Copyright 2003, 2004, 2005 Martin Fuchs
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
//
// Explorer clone
//
// desktop.cpp
//
// Martin Fuchs, 09.08.2003
//
#include <precomp.h>
#include "../taskbar/desktopbar.h"
#include "../taskbar/taskbar.h" // for PM_GET_LAST_ACTIVE
static BOOL (WINAPI*SetShellWindow)(HWND);
static BOOL (WINAPI*SetShellWindowEx)(HWND, HWND);
#ifdef _USE_HDESK
Desktop::Desktop(HDESK hdesktop/*, HWINSTA hwinsta*/)
: _hdesktop(hdesktop)
// _hwinsta(hwinsta)
{
}
Desktop::~Desktop()
{
if (_hdesktop)
CloseDesktop(_hdesktop);
// if (_hwinsta)
// CloseWindowStation(_hwinsta);
if (_pThread.get()) {
_pThread->Stop();
_pThread.release();
}
}
#endif
Desktops::Desktops()
: _current_desktop(0)
{
}
Desktops::~Desktops()
{
// show all hidden windows
for(iterator it_dsk=begin(); it_dsk!=end(); ++it_dsk)
for(WindowSet::iterator it=it_dsk->_windows.begin(); it!=it_dsk->_windows.end(); ++it)
ShowWindowAsync(*it, SW_SHOW);
}
void Desktops::init()
{
resize(DESKTOP_COUNT);
#ifdef _USE_HDESK
DesktopPtr& desktop = (*this)[0];
desktop = DesktopPtr(new Desktop(OpenInputDesktop(0, FALSE, DESKTOP_SWITCHDESKTOP)));
#endif
}
#ifdef _USE_HDESK
void Desktops::SwitchToDesktop(int idx)
{
if (_current_desktop == idx)
return;
DesktopPtr& desktop = (*this)[idx];
DesktopThread* pThread = NULL;
if (desktop.get()) {
if (desktop->_hdesktop)
if (!SwitchDesktop(desktop->_hdesktop))
return;
} else {
FmtString desktop_name(TEXT("Desktop %d"), idx);
SECURITY_ATTRIBUTES saAttr = {sizeof(SECURITY_ATTRIBUTES), 0, TRUE};
/*
HWINSTA hwinsta = CreateWindowStation(TEXT("ExplorerWinStation"), 0, GENERIC_ALL, &saAttr);
if (!SetProcessWindowStation(hwinsta))
return;
*/
HDESK hdesktop = CreateDesktop(desktop_name, NULL, NULL, 0, GENERIC_ALL, &saAttr);
if (!hdesktop)
return;
desktop = DesktopPtr(new Desktop(hdesktop/*, hwinsta*/));
pThread = new DesktopThread(*desktop);
}
_current_desktop = idx;
if (pThread) {
desktop->_pThread = DesktopThreadPtr(pThread);
pThread->Start();
}
}
int DesktopThread::Run()
{
if (!SetThreadDesktop(_desktop._hdesktop))
return -1;
HDESK hDesk_old = OpenInputDesktop(0, FALSE, DESKTOP_SWITCHDESKTOP);
if (!SwitchDesktop(_desktop._hdesktop))
return -1;
if (!_desktop._hwndDesktop)
_desktop._hwndDesktop = DesktopWindow::Create();
int ret = Window::MessageLoop();
SwitchDesktop(hDesk_old);
return ret;
}
#else // _USE_HDESK
static BOOL CALLBACK SwitchDesktopEnumFct(HWND hwnd, LPARAM lparam)
{
WindowSet& windows = *(WindowSet*)lparam;
if (hwnd!=g_Globals._hwndDesktopBar && hwnd!=g_Globals._hwndDesktop)
if (IsWindowVisible(hwnd))
windows.insert(hwnd);
return TRUE;
}
void Desktops::SwitchToDesktop(int idx)
{
if (_current_desktop == idx)
return;
Desktop& old_desktop = (*this)[_current_desktop];
WindowSet& windows = old_desktop._windows;
Desktop& desktop = (*this)[idx];
windows.clear();
// collect window handles of all other desktops
WindowSet other_wnds;
for(const_iterator it1=begin(); it1!=end(); ++it1)
for(WindowSet::const_iterator it2=it1->_windows.begin(); it2!=it1->_windows.end(); ++it2)
other_wnds.insert(*it2);
// save currently visible application windows
EnumWindows(SwitchDesktopEnumFct, (LPARAM)&windows);
old_desktop._hwndForeground = (HWND)SendMessage(g_Globals._hwndDesktopBar, PM_GET_LAST_ACTIVE, 0, 0);
// hide all windows of the previous desktop
for(WindowSet::iterator it=windows.begin(); it!=windows.end(); ++it)
ShowWindowAsync(*it, SW_HIDE);
// show all windows of the new desktop
for(WindowSet::iterator it=desktop._windows.begin(); it!=desktop._windows.end(); ++it)
ShowWindowAsync(*it, SW_SHOW);
if (desktop._hwndForeground)
SetForegroundWindow(desktop._hwndForeground);
// remove the window handles of the other desktops from what we found on the previous desktop
for(WindowSet::const_iterator it=other_wnds.begin(); it!=other_wnds.end(); ++it)
windows.erase(*it);
// We don't need to store the window handles of what's now visible the now current desktop.
desktop._windows.clear();
_current_desktop = idx;
}
#endif // _USE_HDESK
static BOOL CALLBACK MinimizeDesktopEnumFct(HWND hwnd, LPARAM lparam)
{
list<MinimizeStruct>& minimized = *(list<MinimizeStruct>*)lparam;
if (hwnd!=g_Globals._hwndDesktopBar && hwnd!=g_Globals._hwndDesktop)
if (IsWindowVisible(hwnd) && !IsIconic(hwnd)) {
RECT rect;
if (GetWindowRect(hwnd,&rect))
if (rect.right>0 && rect.bottom>0 &&
rect.right>rect.left && rect.bottom>rect.top) {
minimized.push_back(MinimizeStruct(hwnd, GetWindowStyle(hwnd)));
ShowWindowAsync(hwnd, SW_MINIMIZE);
}
}
return TRUE;
}
/// minimize/restore all windows on the desktop
void Desktops::ToggleMinimize()
{
list<MinimizeStruct>& minimized = (*this)[_current_desktop]._minimized;
if (minimized.empty()) {
EnumWindows(MinimizeDesktopEnumFct, (LPARAM)&minimized);
} else {
const list<MinimizeStruct>& cminimized = minimized;
for(list<MinimizeStruct>::const_reverse_iterator it=cminimized.rbegin();
it!=cminimized.rend(); ++it) {
ShowWindowAsync(it->first, it->second&WS_MAXIMIZE? SW_MAXIMIZE: SW_RESTORE);
Sleep(20);
}
minimized.clear();
}
}
BOOL IsAnyDesktopRunning()
{
HINSTANCE hUser32 = GetModuleHandle(TEXT("user32"));
SetShellWindow = (BOOL(WINAPI*)(HWND)) GetProcAddress(hUser32, "SetShellWindow");
SetShellWindowEx = (BOOL(WINAPI*)(HWND,HWND)) GetProcAddress(hUser32, "SetShellWindowEx");
return GetShellWindow() != 0;
}
BackgroundWindow::BackgroundWindow(HWND hwnd)
: 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);
}
LRESULT BackgroundWindow::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
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);
///@todo Changing the PaintDesktopVersion-Flag needs a restart of the shell -> display a message box
InvalidateRect(_hwnd, NULL, TRUE);
}
return _display_version;
default:
return super::WndProc(nmsg, wparam, lparam);
}
return 0;
}
void BackgroundWindow::DrawDesktopBkgnd(HDC hdc)
{
PaintDesktop(hdc);
/* special solid background
HBRUSH bkgndBrush = CreateSolidBrush(RGB(0,32,160)); // dark blue
FillRect(hdc, &rect, bkgndBrush);
DeleteBrush(bkgndBrush);
*/
}
DesktopWindow::DesktopWindow(HWND hwnd)
: super(hwnd)
{
_pShellView = NULL;
}
DesktopWindow::~DesktopWindow()
{
if (_pShellView)
_pShellView->Release();
}
HWND DesktopWindow::Create()
{
static IconWindowClass wcDesktop(TEXT("Progman"), IDI_REACTOS, CS_DBLCLKS);
/* (disabled because of small ugly temporary artefacts when hiding start menu)
wcDesktop.hbrBackground = (HBRUSH)(COLOR_BACKGROUND+1); */
int width = GetSystemMetrics(SM_CXSCREEN);
int height = GetSystemMetrics(SM_CYSCREEN);
HWND hwndDesktop = Window::Create(WINDOW_CREATOR(DesktopWindow),
WS_EX_TOOLWINDOW, wcDesktop, TEXT("Program Manager"), WS_POPUP|WS_VISIBLE, //|WS_CLIPCHILDREN for SDI frames
0, 0, width, height, 0);
// work around to display desktop bar in Wine
ShowWindow(GET_WINDOW(DesktopWindow, hwndDesktop)->_desktopBar, SW_SHOW);
// work around for Windows NT, Win 98, ...
// Without this the desktop has mysteriously only a size of 800x600 pixels.
MoveWindow(hwndDesktop, 0, 0, width, height, TRUE);
return hwndDesktop;
}
LRESULT DesktopWindow::Init(LPCREATESTRUCT pcs)
{
if (super::Init(pcs))
return 1;
HRESULT hr = GetDesktopFolder()->CreateViewObject(_hwnd, IID_IShellView, (void**)&_pShellView);
/* also possible:
SFV_CREATE sfv_create;
sfv_create.cbSize = sizeof(SFV_CREATE);
sfv_create.pshf = GetDesktopFolder();
sfv_create.psvOuter = NULL;
sfv_create.psfvcb = NULL;
HRESULT hr = SHCreateShellFolderView(&sfv_create, &_pShellView);
*/
HWND hWndView = 0;
if (SUCCEEDED(hr)) {
FOLDERSETTINGS fs;
fs.ViewMode = FVM_ICON;
fs.fFlags = FWF_DESKTOP|FWF_NOCLIENTEDGE|FWF_NOSCROLL|FWF_BESTFITWINDOW|FWF_SNAPTOGRID; //|FWF_AUTOARRANGE;
ClientRect rect(_hwnd);
hr = _pShellView->CreateViewWindow(NULL, &fs, this, &rect, &hWndView);
///@todo use IShellBrowser::GetViewStateStream() to restore previous view state -> see SHOpenRegStream()
if (SUCCEEDED(hr)) {
g_Globals._hwndShellView = hWndView;
// subclass shellview window
new DesktopShellView(hWndView, _pShellView);
_pShellView->UIActivate(SVUIA_ACTIVATE_FOCUS);
/*
IShellView2* pShellView2;
hr = _pShellView->QueryInterface(IID_IShellView2, (void**)&pShellView2);
SV2CVW2_PARAMS params;
params.cbSize = sizeof(SV2CVW2_PARAMS);
params.psvPrev = _pShellView;
params.pfs = &fs;
params.psbOwner = this;
params.prcView = &rect;
params.pvid = params.pvid;//@@
hr = pShellView2->CreateViewWindow2(&params);
params.pvid;
*/
/*
IFolderView* pFolderView;
hr = _pShellView->QueryInterface(IID_IFolderView, (void**)&pFolderView);
if (SUCCEEDED(hr)) {
hr = pFolderView->GetAutoArrange();
hr = pFolderView->SetCurrentViewMode(FVM_DETAILS);
}
*/
}
}
if (hWndView && SetShellWindowEx)
SetShellWindowEx(_hwnd, hWndView);
else if (SetShellWindow)
SetShellWindow(_hwnd);
// create the explorer bar
_desktopBar = DesktopBar::Create();
g_Globals._hwndDesktopBar = _desktopBar;
return 0;
}
LRESULT DesktopWindow::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
switch(nmsg) {
case WM_LBUTTONDBLCLK:
case WM_RBUTTONDBLCLK:
case WM_MBUTTONDBLCLK:
explorer_show_frame(SW_SHOWNORMAL);
break;
case WM_DISPLAYCHANGE:
MoveWindow(_hwnd, 0, 0, LOWORD(lparam), HIWORD(lparam), TRUE);
MoveWindow(g_Globals._hwndShellView, 0, 0, LOWORD(lparam), HIWORD(lparam), TRUE);
MoveWindow(_desktopBar, 0, HIWORD(lparam) - DESKTOPBARBAR_HEIGHT, LOWORD(lparam), DESKTOPBARBAR_HEIGHT, TRUE);
break;
case WM_GETISHELLBROWSER:
return (LRESULT)static_cast<IShellBrowser*>(this);
case WM_DESTROY:
///@todo use IShellBrowser::GetViewStateStream() and _pShellView->SaveViewState() to store view state
if (SetShellWindow)
SetShellWindow(0);
break;
case WM_CLOSE:
ShowExitWindowsDialog(_hwnd);
break;
case WM_SYSCOMMAND:
if (wparam == SC_TASKLIST) {
if (_desktopBar)
SendMessage(_desktopBar, nmsg, wparam, lparam);
}
goto def;
case WM_SYSCOLORCHANGE:
// redraw background window - it's done by system
//InvalidateRect(g_Globals._hwndShellView, NULL, TRUE);
// forward message to common controls
SendMessage(g_Globals._hwndShellView, WM_SYSCOLORCHANGE, 0, 0);
SendMessage(_desktopBar, WM_SYSCOLORCHANGE, 0, 0);
break;
case WM_SETTINGCHANGE:
SendMessage(g_Globals._hwndShellView, nmsg, wparam, lparam);
break;
case PM_TRANSLATE_MSG:
{
/* TranslateAccelerator is called for all explorer windows that are open
so we have to decide if this is the correct recipient */
LPMSG lpmsg = (LPMSG)lparam;
HWND hwnd = lpmsg->hwnd;
while(hwnd)
{
if(hwnd == _hwnd)
break;
hwnd = GetParent(hwnd);
}
if (hwnd)
return _pShellView->TranslateAccelerator(lpmsg) == S_OK;
return false;
}
default: def:
return super::WndProc(nmsg, wparam, lparam);
}
return 0;
}
HRESULT DesktopWindow::OnDefaultCommand(LPIDA pida)
{
#ifndef ROSSHELL // in shell-only-mode fall through and let shell32 handle the command
if (MainFrameBase::OpenShellFolders(pida, 0))
return S_OK;
#endif
return E_NOTIMPL;
}
DesktopShellView::DesktopShellView(HWND hwnd, IShellView* pShellView)
: 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()
{
if (FAILED(RevokeDragDrop(_hwnd)))
assert(0);
}
bool DesktopShellView::InitDragDrop()
{
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;
}
LRESULT DesktopShellView::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
{
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;
}
int DesktopShellView::Command(int id, int code)
{
return super::Command(id, code);
}
int DesktopShellView::Notify(int id, NMHDR* pnmh)
{
return super::Notify(id, pnmh);
}
bool DesktopShellView::DoContextMenu(int x, int y)
{
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;
}
HRESULT DesktopShellView::DoDesktopContextMenu(int x, int y)
{
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;
}
#define ARRANGE_BORDER_DOWN 8
#define ARRANGE_BORDER_HV 9
#define ARRANGE_ROUNDABOUT 10
static const POINTS s_align_start[] = {
{0, 0}, // left/top
{0, 0},
{1, 0}, // right/top
{1, 0},
{0, 1}, // left/bottom
{0, 1},
{1, 1}, // right/bottom
{1, 1},
{0, 0}, // left/top
{0, 0},
{0, 0}
};
static const POINTS s_align_dir1[] = {
{ 0, +1}, // down
{+1, 0}, // right
{-1, 0}, // left
{ 0, +1}, // down
{ 0, -1}, // up
{+1, 0}, // right
{-1, 0}, // left
{ 0, -1}, // up
{ 0, +1}, // down
{+1, 0}, // right
{+1, 0} // right
};
static const POINTS s_align_dir2[] = {
{+1, 0}, // right
{ 0, +1}, // down
{ 0, +1}, // down
{-1, 0}, // left
{+1, 0}, // right
{ 0, -1}, // up
{ 0, -1}, // up
{-1, 0}, // left
{+1, 0}, // right
{ 0, +1}, // down
{ 0, +1} // down
};
typedef pair<int,int> IconPos;
typedef map<IconPos, int> IconMap;
void DesktopShellView::PositionIcons(int dir)
{
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) {
///@todo
}
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);
}
}
void DesktopShellView::refresh()
{
///@todo
}