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106 lines
3.6 KiB
106 lines
3.6 KiB
//=============================================================================
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// This file contains definitions of classes to implement the pseudo menus
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// and menu bars for the msinfo control.
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//=============================================================================
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#pragma once
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//-----------------------------------------------------------------------------
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// This class implements a single pseudo-menu on the screen. Caller should
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// construct it, attach an HMENU and use Render, HitTest and TrackMenu
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// to manage the menu.
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//-----------------------------------------------------------------------------
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class CPseudoMenu
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{
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public:
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CPseudoMenu(LPCTSTR szCaption, COLORREF crNormal, COLORREF crHighlight);
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~CPseudoMenu();
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public:
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// Methods for setting the location for this menu (by the upper left
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// corner) and getting the bounding rectangle for the label.
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void SetLocation(int cx, int cy);
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void GetSize(HDC hdc, int * pcx, int * pcy);
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const RECT * GetRect() { return &m_rect; };
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void GetMenuPoint(POINT * pPoint) { pPoint->x = m_rect.left; pPoint->y = m_rect.bottom; };
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CString GetCaption() { return m_strCaption; };
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void UpdateColors(COLORREF crNormal, COLORREF crHighlight);
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// Render the label for the menu (possibly highlighted if the mouse
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// is over the menu). Determine if the given coordinate intersects
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// the menu label.
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BOOL SetHighlight(BOOL fHighlight);
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void Render(HDC hdc);
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BOOL HitTest(int cx, int cy) { return PtInRect(&m_rect, CPoint(cx, cy)); };
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// Attach new HMENU. Return the original HMENU (for the caller to deal with).
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HMENU AttachMenu(HMENU hmenu);
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HMENU GetHMENU() { return m_hMenu; };
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// Track the user's selection of a menu, and return the ID of the
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// selected item.
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UINT TrackMenu(HWND hwnd, POINT * pPoint);
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private:
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RECT m_rect;
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HMENU m_hMenu;
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CString m_strCaption;
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COLORREF m_crNormal;
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COLORREF m_crHighlight;
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BOOL m_fHighlight;
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};
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//-----------------------------------------------------------------------------
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// This class implements a pseudo menu bar. It contains a collection of
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// CPseudoMenu objects, and encapsulates hit testing, rendering, etc. for the
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// group of menus.
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//-----------------------------------------------------------------------------
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class CPseudoMenuBar
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{
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public:
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CPseudoMenuBar();
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~CPseudoMenuBar();
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// Functions for inserting and accessing CPseudoMenu objects.
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void LoadFromResource(HINSTANCE hinstance, UINT uResourceID, COLORREF crNormal, COLORREF crHighlight);
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void InsertMenu(int index, CPseudoMenu * pMenu);
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CPseudoMenu * GetMenu(int index);
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void UpdateColors(COLORREF crNormal, COLORREF crHighlight);
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// Functions for managing the size of the total menu bar, testing for
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// hits, rendering, etc.
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const RECT * GetRect(HDC hdc) { RecomputeRect(hdc); return &m_rect; };
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BOOL HitTest(HDC hdc, int cx, int cy) { RecomputeRect(hdc); return PtInRect(&m_rect, CPoint(cx, cy)); };
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void GetMenuPoint(HDC hdc, int index, POINT * pPoint);
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void GetMenuPoint(HDC hdc, int cx, int cy, POINT * pPoint);
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BOOL NoHighlight();
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BOOL TrackHighlight(HDC hdc, int cx, int cy);
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UINT TrackMenu(HWND hwnd, POINT * pPoint, int cx, int cy);
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void SetOrigin(HDC hdc, POINT point);
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void Render(HDC hdc);
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private:
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void RecomputeRect(HDC hdc);
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private:
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enum { MaxMenus = 20 };
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CPseudoMenu * m_pmenus[MaxMenus]; // TBD - arbitrary limit
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RECT m_rect;
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BOOL m_fNeedToComputeRect;
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POINT m_ptOrigin;
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public:
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// Temporarily adding on a find button using the menu bar. This will go
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// eventually go away.
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RECT m_winRect;
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};
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