update for HEAD-2003091401

[reactos.git] / subsys / system / explorer / Seashell / SeaShellExt / Include / UIMenuBar.h

diff --git a/subsys/system/explorer/Seashell/SeaShellExt/Include/UIMenuBar.h b/subsys/system/explorer/Seashell/SeaShellExt/Include/UIMenuBar.h
new file mode 100644 (file)
index 0000000..3f370b0
--- /dev/null
+++ b/subsys/system/explorer/Seashell/SeaShellExt/Include/UIMenuBar.h
@@ -0,0 +1,125 @@
+////////////////////////////////////////////////////////////////
+// Copyright 1998 Paul DiLascia
+// If this code works, it was written by Paul DiLascia.
+// If not, I don't know who wrote it.
+//
+#ifndef __MENUBAR_H
+#define __MENUBAR_H
+
+#include "UIsubclass.h"
+
+#include "UIFlatBar.h"
+
+//////////////////
+// CMenuBar uses this private class to intercept messages on behalf
+// of its owning frame, as well as the MDI client window. Conceptually,
+// these should be two different hooks, but I want to save code.
+//
+class CMenuBarFrameHook : public CSubclassWnd {
+protected:
+   friend class CMenuBar;
+   CMenuBar* m_pMenuBar;
+   CMenuBarFrameHook();
+   ~CMenuBarFrameHook();
+   BOOL Install(CMenuBar* pMenuBar, HWND hWndToHook);
+   virtual LRESULT WindowProc(UINT msg, WPARAM wp, LPARAM lp);
+};
+
+//////////////////
+// CMenuBar implements an Office 97-style menu bar. Use it the way you would
+// a CToolBar, only you need not call LoadToolbar. All you have to do is
+//
+// * Create the CMenuBar from your OnCreate or OnCreateBands handler.
+//
+// * Call LoadMenu to load a menu. This will set your frame's menu to NULL.
+//
+// * Implemenent your frame's PreTranslateMessage function, to call
+//   CMenuBar::TranslateFrameMessage. 
+//
+class CTRL_EXT_CLASS CMenuBar : public CFlatToolBar {
+public:
+       BOOL     m_bAutoRemoveFrameMenu;                 // set frame's menu to NULL
+
+       CMenuBar();
+       ~CMenuBar();
+
+       // You must call this from your frame's PreTranslateMessage fn
+       virtual BOOL TranslateFrameMessage(MSG* pMsg);
+
+       HMENU LoadMenu(HMENU hmenu);                            // load menu
+       HMENU LoadMenu(LPCTSTR lpszMenuName);   // ...from resource file
+       HMENU LoadMenu(UINT nID) {
+               return LoadMenu(MAKEINTRESOURCE(nID));
+       }
+       HMENU GetMenu() { return m_hmenu; }                                     // get current menu
+
+       enum TRACKINGSTATE { // menubar has three states:
+               TRACK_NONE = 0,   // * normal, not tracking anything
+               TRACK_BUTTON,     // * tracking buttons (F10/Alt mode)
+               TRACK_POPUP       // * tracking popups
+       };
+
+       TRACKINGSTATE GetTrackingState(int& iPopup) {
+               iPopup = m_iPopupTracking; return m_iTrackingState;
+       }
+       static BOOL bTRACE;                                              // set TRUE to see TRACE msgs
+
+protected:
+       friend class CMenuBarFrameHook;
+
+       CMenuBarFrameHook m_frameHook;           // hooks frame window messages
+       CStringArray            m_arStrings;             // array of menu item names
+       HMENU                                   m_hmenu;                                 // the menu
+
+       // menu tracking stuff:
+       int      m_iPopupTracking;                               // which popup I'm tracking if any
+       int      m_iNewPopup;                                            // next menu to track
+       BOOL     m_bProcessRightArrow;                   // process l/r arrow keys?
+       BOOL     m_bProcessLeftArrow;                    // ...
+       BOOL     m_bEscapeWasPressed;                    // user pressed escape to exit menu
+       CPoint m_ptMouse;                                                        // mouse location when tracking popup
+       HMENU    m_hMenuTracking;                                        // current popup I'm tracking
+
+       TRACKINGSTATE m_iTrackingState;          // current tracking state
+
+       // helpers
+       void  RecomputeToolbarSize();
+       void    RecomputeMenuLayout();
+       void    UpdateFont();
+       int     GetNextOrPrevButton(int iButton, BOOL bPrev);
+       void    SetTrackingState(TRACKINGSTATE iState, int iButton=-1);
+       void    TrackPopup(int iButton);
+       void    ToggleTrackButtonMode();
+       void    CancelMenuAndTrackNewOne(int iButton);
+       void  OnMenuSelect(HMENU hmenu, UINT nItemID);
+       CPoint ComputeMenuTrackPoint(const CRect& rcButn, TPMPARAMS& tpm);
+
+       BOOL    IsValidButton(int iButton) const
+               { return 0 <= iButton && iButton < GetButtonCount(); }
+
+       virtual BOOL OnMenuInput(MSG& m);        // handle popup menu input
+
+       // overrides
+       virtual void OnBarStyleChange(DWORD dwOldStyle, DWORD dwNewStyle);
+       int HitTest(CPoint p) const;
+
+       // command/message handlers
+       afx_msg int  OnCreate(LPCREATESTRUCT lpCreateStruct);
+       afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
+       afx_msg void OnMouseMove(UINT nFlags, CPoint point);
+       afx_msg void OnSize(UINT nType, int cx, int cy);
+       afx_msg void OnUpdateMenuButton(CCmdUI* pCmdUI);
+       afx_msg LRESULT OnSetMenuNull(WPARAM wp, LPARAM lp);
+
+       static LRESULT CALLBACK MenuInputFilter(int code, WPARAM wp, LPARAM lp);
+       
+       DECLARE_DYNAMIC(CMenuBar)
+       DECLARE_MESSAGE_MAP()
+
+#ifdef _DEBUG
+       virtual void AssertValid() const;
+       virtual void Dump(CDumpContext& dc) const;
+#endif
+};
+
+#endif