LRESULT CALLBACK Explorerplusplus::MainWndTaskbarThumbnailProc(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam)
{
if(uMsg == m_uTaskbarButtonCreatedMessage)
{
if(m_pTaskbarList != NULL)
{
m_pTaskbarList->Release();
}
CoCreateInstance(CLSID_TaskbarList,NULL,CLSCTX_INPROC_SERVER,
IID_PPV_ARGS(&m_pTaskbarList));
m_pTaskbarList->HrInit();
m_bTaskbarInitialised = TRUE;
/* Add each of the jump list tasks. */
SetupJumplistTasks();
/* Register each of the tabs. */
for(auto itr = m_TabProxyList.begin();itr != m_TabProxyList.end();itr++)
{
BOOL bActive = (itr->iTabId == m_iObjectIndex);
RegisterTab(itr->hProxy,EMPTY_STRING,bActive);
HandleTabText(itr->iTabId);
SetTabIcon(itr->iTabId);
}
RemoveWindowSubclass(hwnd,MainWndProcStub,0);
return 0;
}
return DefSubclassProc(hwnd,uMsg,wParam,lParam);
}
unsigned TaskbarPreviews::addTab(QWidget *tab, QWidget *owner, const QString &title, QWidget *before, PreviewProvider *pp)
{
_tab t;
t.internalTabWidget = new QWidget;
t.pp = pp;
t.userTabWidget = tab;
t.tabHandle = (HWND)t.internalTabWidget->winId();
t.userTabOwner = owner;
t.type = (tab->window() == tab) ? ttWindow : ttWidget;
if (!title.isNull())
t.internalTabWidget->setWindowTitle(title);
else
t.internalTabWidget->setWindowTitle(t.userTabOwner->windowTitle());
HWND afterHwnd = before ? reinterpret_cast<HWND>(m_tabs.internal(before)->winId()) : 0; // will return zero if after == 0 or there's no such tab, in that cases tab will be added to the end
if (tab->window() == tab) {
if(pp){
ForceIconicRepresentation((HWND)t.internalTabWidget->winId());
}
} else // tab is not a window so previews must be created by library or user anyway
ForceIconicRepresentation((HWND)t.internalTabWidget->winId());
m_tabs.append(t);
RegisterTab(t.tabHandle, (HWND)owner->winId());
SetTabOrder(t.tabHandle, afterHwnd);
return t.id;
}
STDMETHODIMP CTaskbar7::SetTabActive()
{
// Do nothing on XP & Vista
if (!m_isWindows7)
return S_OK;
// Do nothing if we don't have the main hwnd
if (!m_parentHwnd)
return S_OK;
RegisterTab();
m_pTaskbarList->SetTabActive(m_hwnd, m_parentHwnd, 0);
return S_OK;
}
STDMETHODIMP CTaskbar7::ConfigureTab(BSTR name, LONG after)
{
// Do nothing on XP & Vista
if (!m_isWindows7)
return S_OK;
// If running anything other than a gadget, do nothing
if (!m_parentHwnd)
return S_OK;
// Update name
USES_CONVERSION;
SetWindowText(m_hwnd, OLE2CA(name));
RegisterTab();
HRESULT hr = m_pTaskbarList->SetTabOrder(m_hwnd, (HWND)after);
return hr;
}
unsigned TaskbarPreviews::addVirtualTab(PreviewProvider *pp, QWidget *owner, const QString &title, QWidget *before)
{
_tab t;
t.internalTabWidget = new QWidget;
t.pp = pp;
t.userTabWidget = 0;
t.tabHandle = (HWND)t.internalTabWidget->winId();
t.userTabOwner = owner;
t.type = ttVirtual;
if (!title.isNull())
t.internalTabWidget->setWindowTitle(title);
else
t.internalTabWidget->setWindowTitle(t.userTabOwner->windowTitle());
HWND afterHwnd = before ? reinterpret_cast<HWND>(m_tabs.internal(before)->winId()) : 0;
ForceIconicRepresentation((HWND)t.internalTabWidget->winId());
m_tabs.append(t);
RegisterTab(t.tabHandle, (HWND)owner->winId());
SetTabOrder(t.tabHandle, afterHwnd);
return t.id;
}
/* The Display Window Manager (DWM) will only interact with top-level
windows. Therefore, we'll need to create a top-level proxy window for
every tab. This top-level window will be hidden, and will handle the
thumbnail preview for the tab.
References:
http://dotnet.dzone.com/news/windows-7-taskbar-tabbed
http://channel9.msdn.com/learn/courses/Windows7/Taskbar/Win7TaskbarNative/Exercise-Experiment-with-the-New-Windows-7-Taskbar-Features/
*/
void Explorerplusplus::CreateTabProxy(int iTabId,BOOL bSwitchToNewTab)
{
HWND hTabProxy;
TabProxyInfo_t tpi;
TCHAR szClassName[512];
ATOM aRet;
BOOL bValue = TRUE;
/* If we're not running on Windows 7 or later, return without
doing anything. */
if((m_dwMajorVersion == WINDOWS_VISTA_SEVEN_MAJORVERSION &&
m_dwMinorVersion == 0) ||
m_dwMajorVersion < WINDOWS_VISTA_SEVEN_MAJORVERSION)
{
return;
}
if(!m_bShowTaskbarThumbnails)
{
return;
}
static int iCount = 0;
StringCchPrintf(szClassName,SIZEOF_ARRAY(szClassName),_T("Explorer++TabProxy%d"),iCount++);
aRet = RegisterTabProxyClass(szClassName);
if(aRet != 0)
{
TabProxy_t *ptp = NULL;
ptp = (TabProxy_t *)malloc(sizeof(TabProxy_t));
ptp->pContainer = this;
ptp->iTabId = iTabId;
hTabProxy = CreateWindow(szClassName,EMPTY_STRING,WS_OVERLAPPEDWINDOW,
0,0,0,0,NULL,NULL,GetModuleHandle(0),(LPVOID)ptp);
if(hTabProxy != NULL)
{
HMODULE hDwmapi;
DwmSetWindowAttributeProc DwmSetWindowAttribute;
hDwmapi = LoadLibrary(_T("dwmapi.dll"));
if(hDwmapi != NULL)
{
DwmSetWindowAttribute = (DwmSetWindowAttributeProc)GetProcAddress(hDwmapi,"DwmSetWindowAttribute");
if(DwmSetWindowAttribute != NULL)
{
DwmSetWindowAttribute(hTabProxy,DWMWA_FORCE_ICONIC_REPRESENTATION,
&bValue,sizeof(BOOL));
DwmSetWindowAttribute(hTabProxy,DWMWA_HAS_ICONIC_BITMAP,
&bValue,sizeof(BOOL));
if(m_bTaskbarInitialised)
{
RegisterTab(hTabProxy,EMPTY_STRING,bSwitchToNewTab);
}
tpi.hProxy = hTabProxy;
tpi.iTabId = iTabId;
tpi.atomClass = aRet;
m_TabProxyList.push_back(tpi);
}
FreeLibrary(hDwmapi);
}
}
}
}
