?? visualfx.cpp
字號:
pTab->SetActivePane(nIndex);
}
}
}
// Get owner pointer (CFrameWnd derived class)
CWnd *TVisualFramework::GetWnd(void)
{
return m_pOwner;
}
// Get safe owner pointer (CFrameWnd derived class)
CWnd *TVisualFramework::GetSafeWnd(void)
{
if (m_pOwner && ::IsWindow(m_pOwner->m_hWnd))
return m_pOwner;
return NULL;
}
// Get window associated with the visual object specified with its id
// Can be any object (view, splitter or tab window)
CWnd *TVisualFramework::GetObject(DWORD dwId)
{
TVisualObject *pObject = findObject(dwId);
if (pObject == NULL)
return NULL;
return pObject->m_pWnd;
}
// Get ID associated with the visual object specified with its window pointer
// Can be any object (view, splitter or tab window)
DWORD TVisualFramework::GetObject(CWnd *pWnd)
{
ASSERT(pWnd);
TVisualObject *pObject = findObject(pWnd);
if (pObject == NULL)
return NULL;
return pObject->m_dwId;
}
// Return a visual object with the specified id
TVisualObject *TVisualFramework::Get(DWORD dwId)
{
return findObject(dwId);
}
// Return a visual object with the specified window
TVisualObject *TVisualFramework::Get(CWnd *pWnd)
{
return findObject(pWnd);
}
// Returns an object that represents the currently active tab within the
// supplied tab window object. This may not be the active pane
TVisualObject *TVisualFramework::GetActiveTab(TVisualObject *pObject)
{
ASSERT(pObject);
ASSERT(pObject->m_pWnd);
if (!pObject->m_pWnd->IsKindOf(RUNTIME_CLASS(TTabWnd)))
return NULL;
TTabWnd *pTab = (TTabWnd*)pObject->m_pWnd;
int nIndex = pTab->GetTabIndex();
CWnd *pWnd = pTab->GetTabWnd(nIndex);
ASSERT(pWnd);
return Get(pWnd);
}
// Set the active tab of the parent tab window. This will not activate the
// pane associated with the active tab.
BOOL TVisualFramework::SetActiveTab(TVisualObject *pObject)
{
ASSERT(pObject);
ASSERT(pObject->m_pWnd);
ASSERT(pObject->m_pParent);
if (!pObject->m_pParent->IsKindOf(RUNTIME_CLASS(TTabWnd)))
return FALSE;
TTabWnd *pTab = (TTabWnd*)pObject->m_pParent;
int nIndex = pTab->GetTabIndex(pObject->m_pWnd);
return pTab->SetActivePane(nIndex,FALSE);
}
// Returns TRUE if object is a tab within a tab window
BOOL TVisualFramework::IsTabPane(TVisualObject* pObject)
{
ASSERT(pObject);
ASSERT(pObject->m_pWnd);
ASSERT(pObject->m_pParent);
if (pObject->m_pParent->IsKindOf(RUNTIME_CLASS(TTabWnd)))
return TRUE;
return FALSE;
}
// Returns TRUE if object is a tab window
BOOL TVisualFramework::IsTabWindow(TVisualObject* pObject)
{
ASSERT(pObject);
ASSERT(pObject->m_pWnd);
if (pObject->m_pWnd->IsKindOf(RUNTIME_CLASS(TTabWnd)))
return TRUE;
return FALSE;
}
// Returns TRUE if object is a pane within a splitter window
BOOL TVisualFramework::IsSplitterPane(TVisualObject* pObject)
{
ASSERT(pObject);
ASSERT(pObject->m_pWnd);
ASSERT(pObject->m_pParent);
if (pObject->m_pParent->IsKindOf(RUNTIME_CLASS(CSplitterWnd)))
return TRUE;
return FALSE;
}
// Returns TRUE if object is a pane within a splitter window
BOOL TVisualFramework::IsSplitterWindow(TVisualObject* pObject)
{
ASSERT(pObject);
ASSERT(pObject->m_pWnd);
if (pObject->m_pWnd->IsKindOf(RUNTIME_CLASS(CSplitterWnd)))
return TRUE;
return FALSE;
}
// Returns TRUE if object is derived from CView
BOOL TVisualFramework::IsView(TVisualObject *pObject)
{
ASSERT(pObject);
ASSERT(pObject->m_pWnd);
if (pObject->m_pWnd->IsKindOf(RUNTIME_CLASS(CView)))
return TRUE;
return FALSE;
}
// Get the count of visual objects
int TVisualFramework::GetCount(void)
{
return m_ObjectMap.size();
}
// Set font for complete framework
void TVisualFramework::SetFont(CFont *pFont)
{
ASSERT(pFont);
TVisualObject *pObject;
TVisualObjectMap::iterator mapit;
for (mapit = m_ObjectMap.begin(); mapit != m_ObjectMap.end(); mapit ++) {
pObject = mapit->second;
if (pObject->m_pWnd->IsKindOf(RUNTIME_CLASS(TTabWnd))) {
((TTabWnd*)pObject->m_pWnd)->SetFont(pFont);
} else if (pObject->m_pWnd->IsKindOf(RUNTIME_CLASS(TVisualFormView))) {
((TVisualFormView*)pObject->m_pWnd)->SetFont(pFont);
} else {
pObject->m_pWnd->SetFont(pFont);
}
}
}
// Enable/disable CtrlTab for tab window
void TVisualFramework::EnableCtrlTab(BOOL bEnable)
{
// If framework is used in an MDI application, then Ctrl+Tab is used to switch
// among open windows. If it is enabled, Ctrl+Tab will then switch among
// tab panes within the MDI child frame window (this disables default Ctrl+Tab
// for MDI windows).
// Ctrl+Tab works only if CWinApp derived class overloads PreTranslateMessage
// and calles ProcessMessage() of the active TVisualFramework object
m_bEnableCtrlTab = bEnable;
}
// Since CSplitterWnd does not support dynamic creation, this is a chance for
// derived class to supply CSplitterWnd derived class instead of CSplitterWnd
CSplitterWnd *TVisualFramework::CreateSplitter(DWORD dwId)
{
return new CSplitterWnd;
}
// Set focus to visual object
BOOL TVisualFramework::SetActivePane(TVisualObject *pObject)
{
ASSERT(pObject);
// Cannot set focus to splitter or tab window
if (!pObject->CanFocus())
return FALSE;
// Cannot set focus to disabled window
BOOL bEnabled;
if (pObject->IsEnabled(bEnabled) && !bEnabled)
return FALSE;
// Build a list that walks thru the object hierarchy from specified
// object to the root
TVisualObjectList list;
TVisualObject *pObj = pObject;
while (pObj) {
list.insert(list.end(),pObj);
pObj = pObj->m_pOwner;
}
// Reverse the list so that we can walk from root to the desired object
list.reverse();
// Now, walk thru the list and set focus as desired
TVisualObjectList::iterator it;
for (it = list.begin(); it != list.end(); it ++) {
pObj = *it;
if (pObj->m_pOwner && pObj->m_pOwner->m_pWnd->IsKindOf(RUNTIME_CLASS(TTabWnd))) {
TTabWnd *pTab = (TTabWnd*)pObj->m_pOwner->m_pWnd;
int nIndex = pTab->GetTabIndex(pObj->m_pWnd);
if (!pTab->SetActivePane(nIndex))
return FALSE;
}
}
// Update framework owner
CFrameWnd *pFrame = (CFrameWnd*)m_pOwner;
pFrame->SetActiveView((CView*)pObject->m_pWnd);
return TRUE;
}
// Return a pointer to visual object that represents the currently active pane
TVisualObject *TVisualFramework::GetActivePane(void)
{
CFrameWnd *pFrame = (CFrameWnd*)m_pOwner;
ASSERT(pFrame);
CView *pView = pFrame->GetActiveView();
ASSERT(pView);
return findObject(pView);
}
// Enable/disable a view. Returns TRUE if sucessful
BOOL TVisualFramework::Enable(TVisualObject *pObject, BOOL bEnable)
{
ASSERT(pObject);
ASSERT(pObject->m_pWnd);
if (pObject->m_pWnd->IsKindOf(RUNTIME_CLASS(CView))) {
pObject->m_bEnabled = bEnable;
pObject->m_pWnd->EnableWindow(bEnable);
if (pObject->m_pParent->IsKindOf(RUNTIME_CLASS(TTabWnd))) {
TTabWnd *pTab = (TTabWnd*)pObject->m_pParent;
int nIndex = pTab->GetTabIndex(pObject->m_pWnd);
pTab->Enable(nIndex, bEnable);
}
return TRUE;
}
return FALSE;
}
// Enable/disable a tab
BOOL TVisualFramework::EnableTab(TVisualObject *pObject, BOOL bEnable)
{
ASSERT(pObject);
ASSERT(pObject->m_pWnd);
ASSERT(pObject->m_pParent);
// Check if parent is a tab window
if (pObject->m_pParent->IsKindOf(RUNTIME_CLASS(TTabWnd))) {
TTabWnd *pTab = (TTabWnd*)pObject->m_pParent;
int nIndex = pTab->GetTabIndex(pObject->m_pWnd);
if (nIndex == pTab->GetTabIndex())
return FALSE;
pTab->EnableTab(nIndex, bEnable);
pObject->m_bEnabled = bEnable;
return TRUE;
}
return FALSE;
}
// Show/hide a tab
BOOL TVisualFramework::ShowTab(TVisualObject *pObject, BOOL bShow)
{
ASSERT(pObject);
ASSERT(pObject->m_pWnd);
ASSERT(pObject->m_pParent);
if (!pObject->m_pParent->IsKindOf(RUNTIME_CLASS(TTabWnd)))
return FALSE;
TTabWnd *pTab = (TTabWnd*)pObject->m_pParent;
int nIndex = pTab->GetTabIndex(pObject->m_pWnd);
if (nIndex == pTab->GetTabIndex())
return FALSE;
pTab->ShowTab(nIndex, bShow);
return TRUE;
}
// Is object enabled. Returns FALSE if this is not a valid call for the supplied
// object. If return code is TRUE, check bEnabled
BOOL TVisualFramework::IsEnabled(TVisualObject *pObject, BOOL& bEnabled)
{
ASSERT(pObject);
ASSERT(pObject->m_pWnd);
bEnabled = pObject->m_bEnabled;
return TRUE;
/*
if (pObject->m_pWnd->IsKindOf(RUNTIME_CLASS(CView))) {
bEnabled = pObject->m_pWnd->IsWindowEnabled();
return TRUE;
}
return FALSE;
*/
}
// Is tab enabled. Returns FALSE if this is not a valid call for the supplied
// object. If return code is TRUE, check bEnabled
BOOL TVisualFramework::IsTabEnabled(TVisualObject *pObject, BOOL& bEnabled)
{
ASSERT(pObject);
ASSERT(pObject->m_pWnd);
ASSERT(pObject->m_pParent);
if (pObject->m_pParent->IsKindOf(RUNTIME_CLASS(TTabWnd))) {
TTabWnd *pTab = (TTabWnd*)pObject->m_pParent;
int nIndex = pTab->GetTabIndex(pObject->m_pWnd);
bEnabled = pTab->IsTabEnabled(nIndex);
return TRUE;
}
return FALSE;
}
// Is tab visible. Returns FALSE if this is not a valid call for the supplied
// object. If return code is TRUE then check bVisible.
BOOL TVisualFramework::IsTabVisible(TVisualObject *pObject, BOOL& bVisible)
{
ASSERT(pObject);
ASSERT(pObject->m_pWnd);
ASSERT(pObject->m_pParent);
if (pObject->m_pParent->IsKindOf(RUNTIME_CLASS(TTabWnd))) {
TTabWnd *pTab = (TTabWnd*)pObject->m_pParent;
int nIndex = pTab->GetTabIndex(pObject->m_pWnd);
bVisible = pTab->IsTabVisible(nIndex);
return TRUE;
}
return FALSE;
}
// This should be called from CWinApp derived PreTranslateMessage to handle
// any framework related messages
BOOL TVisualFramework::ProcessMessage(MSG *pMsg)
{
ASSERT(pMsg);
if (pMsg->message == WM_KEYDOWN) {
// Handle Ctrl+Tab for tab windows
if (m_bEnableCtrlTab) {
if ((pMsg->wParam == VK_TAB) && (::GetAsyncKeyState(VK_CONTROL) != 0)) {
CWnd *pWnd = CWnd::FromHandle(pMsg->hwnd);
ASSERT(pWnd);
if (pWnd->IsKindOf(RUNTIME_CLASS(CFrameWnd)))
return FALSE;
// If we are in form view then pWnd is a control
while (pWnd && !pWnd->IsKindOf(RUNTIME_CLASS(CView)))
pWnd = pWnd->GetParent();
// Find object for this window
ASSERT(pWnd);
TVisualObject *pObject = findObject(pWnd);
ASSERT(pObject != NULL);
while (pObject && !pObject->m_pWnd->IsKindOf(RUNTIME_CLASS(TTabWnd)))
pObject = pObject->m_pOwner;
if (pObject) {
TTabWnd *pTab = (TTabWnd*)pObject->m_pWnd;
BOOL bShift = (::GetAsyncKeyState(VK_SHIFT) != 0);
int nIndex = pTab->GetTabIndex();
int nNdx = nIndex;
// Switch to new pane (skip invisible and disabled)
do {
if (bShift) {
// Does not work
nNdx--;
if (nNdx < 0)
nNdx = pTab->GetTabCount()-1;
} else {
nNdx ++;
if (nNdx == pTab->GetTabCount())
nNdx = 0;
}
} while (!pTab->SetActivePane(nNdx) && (nNdx != nIndex));
return TRUE;
}
}
}
} else if (pMsg->message == WM_SYSKEYDOWN) {
// Handle hot keys for views (if defined)
TVisualObject *pObject;
TVisualObjectMap::iterator mapit;
for (mapit = m_ObjectMap.begin(); mapit != m_ObjectMap.end(); mapit ++) {
pObject = mapit->second;
if (pObject->m_cHotKey == pMsg->wParam) {
if (SetActivePane(pObject))
return TRUE;
}
}
}
return FALSE;
}
BOOL TVisualFramework::OnCmdMsg(UINT nID, int nCode, void* pExtra,
AFX_CMDHANDLERINFO* pHandlerInfo)
{
// TODO: Add your specialized code here and/or call the base class
return CCmdTarget::OnCmdMsg(nID, nCode, pExtra, pHandlerInfo);
}
//=============================================================================
// class TVisualFormView
//
// This class implements the code to set the font for all child controls.
// If it belongs to the visual framework (as a pane) then setting the font
// for the framework's panes will automatically set the font for all child
// controls in the form view.
//=============================================================================
static BOOL __stdcall setChildFont(HWND hwnd, LPARAM lparam);
static BOOL __stdcall setChildEnabled(HWND hwnd, LPARAM lparam);
IMPLEMENT_DYNAMIC(TVisualFormView, CFormView)
BEGIN_MESSAGE_MAP(TVisualFormView, CFormView)
//{{AFX_MSG_MAP(TVisualFormView)
ON_WM_ENABLE()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
TVisualFormView::TVisualFormView(LPCTSTR lpszTemplateName)
: CFormView(lpszTemplateName)
{
}
TVisualFormView::TVisualFormView(UINT nIDTemplate)
: CFormView(nIDTemplate)
{
}
void TVisualFormView::SetFont(CFont *pFont)
{
ASSERT(pFont);
::EnumChildWindows(m_hWnd, ::setChildFont, (LPARAM)pFont);
}
void TVisualFormView::OnEnable(BOOL bEnable)
{
CFormView::OnEnable(bEnable);
::EnumChildWindows(m_hWnd, ::setChildEnabled, (LPARAM)bEnable);
}
// lParam is a pointer to CFont object
BOOL __stdcall s
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