Initial community commit

Src/Plugins/Visualization/vis_milk2/menu.h

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+/*
+  LICENSE
+  -------
+Copyright 2005-2013 Nullsoft, Inc.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, 
+are permitted provided that the following conditions are met:
+
+  * Redistributions of source code must retain the above copyright notice,
+    this list of conditions and the following disclaimer. 
+
+  * Redistributions in binary form must reproduce the above copyright notice,
+    this list of conditions and the following disclaimer in the documentation
+    and/or other materials provided with the distribution. 
+
+  * Neither the name of Nullsoft nor the names of its contributors may be used to 
+    endorse or promote products derived from this software without specific prior written permission. 
+ 
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR 
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
+CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 
+OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef _MILKDROP_MENU_H_
+#define _MILKDROP_MENU_H_ 1
+
+//----------------------------------------
+
+#include <windows.h>
+
+//----------------------------------------
+
+typedef enum {
+	MENUITEMTYPE_BUNK,
+	MENUITEMTYPE_BOOL, 
+	MENUITEMTYPE_INT,
+	MENUITEMTYPE_FLOAT, 
+	MENUITEMTYPE_LOGFLOAT,
+	MENUITEMTYPE_BLENDABLE, 
+	MENUITEMTYPE_LOGBLENDABLE,
+	MENUITEMTYPE_STRING,
+    MENUITEMTYPE_UIMODE,
+	//MENUITEMTYPE_OSC,
+} MENUITEMTYPE;
+#define MAX_CHILD_MENUS 16
+typedef void (*MilkMenuCallbackFnPtr)(LPARAM param1, LPARAM param2);  // MilkMenuCallbackFnPtr is synonym for "pointer to function returning void, and taking 2 lparams"
+
+//----------------------------------------
+class CMilkMenuItem
+{
+public:
+	CMilkMenuItem();
+	~CMilkMenuItem();
+
+	wchar_t			m_szName[64];
+	wchar_t			m_szToolTip[1024];
+	MENUITEMTYPE	m_type;
+	float			m_fMin;						// note: has different meanings based on the MENUITEMTYPE
+	float			m_fMax;						// note: has different meanings based on the MENUITEMTYPE
+    unsigned int    m_wParam;
+    unsigned int    m_lParam;
+	MilkMenuCallbackFnPtr m_pCallbackFn;		// Callback Function pointer; if non-NULL, this functino will be called whenever the menu item is modified by the user.
+	ptrdiff_t             m_var_offset;				// dist of variable's mem loc., in bytes, from pg->m_pState.
+	LPARAM			m_original_value;			// can hold a float or int
+	int				m_nLastCursorPos;			// for strings; remembers most recent pos. of the cursor
+    bool            m_bEnabled;
+
+	// special data used for MENUITEMTYPE_OSCILLATOR:
+	//int				m_nSubSel;
+	//bool			m_bEditingSubSel;
+
+	CMilkMenuItem	*m_pNext;
+};
+//----------------------------------------
+
+//----------------------------------------
+class CMilkMenu
+{
+public:
+	CMilkMenu();
+	~CMilkMenu();
+
+	void	Init(wchar_t *szName);
+    void    Finish();
+	void	AddChildMenu(CMilkMenu *pChildMenu);
+	void	AddItem(wchar_t *szName, void *var, MENUITEMTYPE type, wchar_t *szToolTip, 
+					float min=0, float max=0, MilkMenuCallbackFnPtr pCallback=NULL, 
+                    unsigned int wParam=0, unsigned int lParam=0);
+	void	SetParentPointer(CMilkMenu *pParentMenu) { m_pParentMenu = pParentMenu; }
+	LRESULT HandleKeydown(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);	
+	void	DrawMenu(RECT rect, int xR, int yB, int bCalcRect=0, RECT* pCalcRect=NULL);
+	void	OnWaitStringAccept(wchar_t *szNewString);
+    void    EnableItem(wchar_t* szName, bool bEnable);
+    CMilkMenuItem* GetCurItem() // NOTE: ONLY WORKS IF AN *ITEM* IS HIGHLIGHTED; NOT A CHILD MENU
+    {
+		CMilkMenuItem *pItem = m_pFirstChildItem;
+		for (int i=m_nChildMenus; i < m_nCurSel; i++) 
+			pItem = pItem->m_pNext;
+        return pItem;
+    }
+    const wchar_t* GetName() { return m_szMenuName; }
+    void Enable(bool bEnabled) { m_bEnabled = bEnabled; }
+    bool IsEnabled() { return m_bEnabled; }
+    bool ItemIsEnabled(int i);
+
+protected:
+    void            Reset();
+	CMilkMenu		*m_pParentMenu;
+	CMilkMenu		*m_ppChildMenu[MAX_CHILD_MENUS];	// pointers are kept here, but these should be cleaned up by the app.
+	CMilkMenuItem	*m_pFirstChildItem;		// linked list; these are dynamically allocated, and automatically cleaned up in destructor
+	wchar_t			m_szMenuName[64];
+	int				m_nChildMenus;
+	int				m_nChildItems;
+	int				m_nCurSel;    
+	bool			m_bEditingCurSel;
+    bool            m_bEnabled;
+};
+//----------------------------------------
+
+#endif //_MILKDROP_MENU_H_