WTL下Rollout控件在CDialog中的使用（二），支持子窗口动态调整大小

diff --git "a/AtlRollOutCtrl.h" "b/AtlRollOutCtrl.h"index 68566eb..2f585d4100644
--- "a/ARK-Breeding-Calculator/AtlRollOutCtrl.h"
+++ "b/ARK-Breeding-Calculator/AtlRollOutCtrl.h"@@-319,6 +319,15 @@ public:#define RCM_COLLAPSE                (RCM_BASE + 2)
 #define RCM_ISEXPANDED                (RCM_BASE + 3)
 #define RCM_GETRECT                    (RCM_BASE + 4)
+#define RCM_REINIT                    (RCM_BASE + 5)
+
+//Messages
+#define RCCM_BASE            (WM_USER + 2)
+//Ensures that the given rect is visible
+//WPARAM unused
+//LPARAM ptr to rect in screen space
+#define RCCM_ENSUREVISIBLE    (RCCM_BASE + 0)
+#define RCCM_RECALC_LAYOUT  (RCCM_BASE + 1)template<DWORD t_dwStyle, DWORD t_dwExStyle, DWORD t_dwExRolloutCtrlStyle>
 classCRolloutCtrlImplTraits

@@-462,6 +471,7 @@ public:

         MESSAGE_HANDLER(RCM_COLLAPSE, OnCollapse)

         MESSAGE_HANDLER(RCM_ISEXPANDED, OnIsExpanded)

         MESSAGE_HANDLER(RCM_GETRECT, OnGetRect)+MESSAGE_HANDLER(RCM_REINIT, OnReInit)

         COMMAND_CODE_HANDLER(BN_CLICKED, OnButtonClicked)

         COMMAND_CODE_HANDLER(BN_SETFOCUS, OnButtonSetFocus)

     ALT_MSG_MAP(1)

@@-594,6 +604,38 @@ public:return 1;

     }+    LRESULT OnReInit(UINT /*uMsg*/, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)+{+        m_Child.GetWindowRect(&m_rcExpanded);+        ScreenToClient(&m_rcExpanded);+
+        HFONT hFont = m_Child.GetFont();//AtlGetDefaultGuiFont();
+SetFont(hFont);+
+CWindowDC dc(m_hWnd);+        HFONT hOldFont =dc.SelectFont(hFont);+SIZE ptTextExtent;+TCHAR szTitle[MAX_PATH];+GetWindowText(szTitle, MAX_PATH);+        dc.GetTextExtent(szTitle, -1, &ptTextExtent);+dc.SelectFont(hOldFont);+
+        int cyButton = ptTextExtent.cy + 2 *m_sizeBorder.cy;+
+        ::InflateRect(&m_rcExpanded, m_sizeBorder.cx, m_sizeBorder.cy);+        m_rcExpanded.bottom +=cyButton;+
+        m_rcCollapsed =m_rcExpanded;+        m_rcCollapsed.bottom = m_rcCollapsed.top +cyButton;+
+        SetWindowPos(NULL, &m_rcExpanded, SWP_NOMOVE | SWP_NOZORDER |SWP_NOACTIVATE);+
+        //notify parent change layout.
+        ::SendMessage(::GetParent(m_hWnd), RCCM_RECALC_LAYOUT, 0, 0);+
+        return 0;+}+
 //Implementation
     voidInit()

     {

@@-681,13 +723,6 @@ public:

 

 typedef CRolloutContainerImplTraits<WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS, WS_EX_CLIENTEDGE | WS_EX_CONTROLPARENT>CRolloutContainerTraits;-//Messages
-#define RCCM_BASE            (WM_USER + 2)
-//Ensures that the given rect is visible
-//WPARAM unused
-//LPARAM ptr to rect in screen space
-#define RCCM_ENSUREVISIBLE    (RCCM_BASE + 0)
-template<class T, class TBase = CWindow, class TWinTraits = CRolloutContainerTraits>
 class ATL_NO_VTABLE CRolloutContainerImpl : public CWindowImpl<T, TBase, TWinTraits>{

@@-906,9 +941,19 @@ public:

         MESSAGE_HANDLER(WM_SETCURSOR, OnSetCursor)

         MESSAGE_HANDLER(DM_GETDEFID, OnGetDefId)

         MESSAGE_HANDLER(RCCM_ENSUREVISIBLE, OnEnsureVisible)+MESSAGE_HANDLER(RCCM_RECALC_LAYOUT, OnUpdateLayout)

         COMMAND_CODE_HANDLER(BN_CLICKED, OnRolloutCtrlClicked)

     END_MSG_MAP()+    LRESULT OnUpdateLayout(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL&bHandled)+{+UpdateSliderRect();+InvalidateSlider();+UpdateLayout();+
+        return 0;+}+LRESULT OnSize(UINT/*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL&bHandled)

     {

         m_sizePage.cx= LOWORD(lParam);