1 /*
2   LICENSE
3   -------
4 Copyright 2005-2013 Nullsoft, Inc.
5 All rights reserved.
6 
7 Redistribution and use in source and binary forms, with or without modification,
8 are permitted provided that the following conditions are met:
9 
10   * Redistributions of source code must retain the above copyright notice,
11     this list of conditions and the following disclaimer.
12 
13   * Redistributions in binary form must reproduce the above copyright notice,
14     this list of conditions and the following disclaimer in the documentation
15     and/or other materials provided with the distribution.
16 
17   * Neither the name of Nullsoft nor the names of its contributors may be used to
18     endorse or promote products derived from this software without specific prior written permission.
19 
20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
21 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
22 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
23 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
26 IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
27 OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29 
30 #ifndef _MILKDROP_MENU_H_
31 #define _MILKDROP_MENU_H_ 1
32 
33 //----------------------------------------
34 
35 #include <windows.h>
36 
37 //----------------------------------------
38 
39 typedef enum {
40 	MENUITEMTYPE_BUNK,
41 	MENUITEMTYPE_BOOL,
42 	MENUITEMTYPE_INT,
43 	MENUITEMTYPE_FLOAT,
44 	MENUITEMTYPE_LOGFLOAT,
45 	MENUITEMTYPE_BLENDABLE,
46 	MENUITEMTYPE_LOGBLENDABLE,
47 	MENUITEMTYPE_STRING,
48     MENUITEMTYPE_UIMODE,
49 	//MENUITEMTYPE_OSC,
50 } MENUITEMTYPE;
51 #define MAX_CHILD_MENUS 16
52 typedef void (*MilkMenuCallbackFnPtr)(LPARAM param1, LPARAM param2);  // MilkMenuCallbackFnPtr is synonym for "pointer to function returning void, and taking 2 lparams"
53 
54 //----------------------------------------
55 class CMilkMenuItem
56 {
57 public:
58 	CMilkMenuItem();
59 	~CMilkMenuItem();
60 
61 	wchar_t			m_szName[64];
62 	wchar_t			m_szToolTip[1024];
63 	MENUITEMTYPE	m_type;
64 	float			m_fMin;						// note: has different meanings based on the MENUITEMTYPE
65 	float			m_fMax;						// note: has different meanings based on the MENUITEMTYPE
66     unsigned int    m_wParam;
67     unsigned int    m_lParam;
68 	MilkMenuCallbackFnPtr m_pCallbackFn;		// Callback Function pointer; if non-NULL, this functino will be called whenever the menu item is modified by the user.
69 	ptrdiff_t             m_var_offset;				// dist of variable's mem loc., in bytes, from pg->m_pState.
70 	LPARAM			m_original_value;			// can hold a float or int
71 	int				m_nLastCursorPos;			// for strings; remembers most recent pos. of the cursor
72     bool            m_bEnabled;
73 
74 	// special data used for MENUITEMTYPE_OSCILLATOR:
75 	//int				m_nSubSel;
76 	//bool			m_bEditingSubSel;
77 
78 	CMilkMenuItem	*m_pNext;
79 };
80 //----------------------------------------
81 
82 //----------------------------------------
83 class CMilkMenu
84 {
85 public:
86 	CMilkMenu();
87 	~CMilkMenu();
88 
89 	void	Init(wchar_t *szName);
90     void    Finish();
91 	void	AddChildMenu(CMilkMenu *pChildMenu);
92 	void	AddItem(wchar_t *szName, void *var, MENUITEMTYPE type, wchar_t *szToolTip,
93 					float min=0, float max=0, MilkMenuCallbackFnPtr pCallback=NULL,
94                     unsigned int wParam=0, unsigned int lParam=0);
SetParentPointer(CMilkMenu * pParentMenu)95 	void	SetParentPointer(CMilkMenu *pParentMenu) { m_pParentMenu = pParentMenu; }
96 	LRESULT HandleKeydown(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
97 	void	DrawMenu(RECT rect, int xR, int yB, int bCalcRect=0, RECT* pCalcRect=NULL);
98 	void	OnWaitStringAccept(wchar_t *szNewString);
99     void    EnableItem(wchar_t* szName, bool bEnable);
GetCurItem()100     CMilkMenuItem* GetCurItem() // NOTE: ONLY WORKS IF AN *ITEM* IS HIGHLIGHTED; NOT A CHILD MENU
101     {
102 		CMilkMenuItem *pItem = m_pFirstChildItem;
103 		for (int i=m_nChildMenus; i < m_nCurSel; i++)
104 			pItem = pItem->m_pNext;
105         return pItem;
106     }
GetName()107     const wchar_t* GetName() { return m_szMenuName; }
Enable(bool bEnabled)108     void Enable(bool bEnabled) { m_bEnabled = bEnabled; }
IsEnabled()109     bool IsEnabled() { return m_bEnabled; }
110     bool ItemIsEnabled(int i);
111 
112 protected:
113     void            Reset();
114 	CMilkMenu		*m_pParentMenu;
115 	CMilkMenu		*m_ppChildMenu[MAX_CHILD_MENUS];	// pointers are kept here, but these should be cleaned up by the app.
116 	CMilkMenuItem	*m_pFirstChildItem;		// linked list; these are dynamically allocated, and automatically cleaned up in destructor
117 	wchar_t			m_szMenuName[64];
118 	int				m_nChildMenus;
119 	int				m_nChildItems;
120 	int				m_nCurSel;
121 	bool			m_bEditingCurSel;
122     bool            m_bEnabled;
123 };
124 //----------------------------------------
125 
126 #endif //_MILKDROP_MENU_H_