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#if !defined(__Combo_h__INCLUDED)
#define __Combo_h__INCLUDED
//---------------------------------------------------------------------------//
//
// Controls Controls
//
//---------------------------------------------------------------------------//
//
// Combobox animation time in MS
//
#define CMS_QANIMATION 165
//
// ID numbers (hMenu) for the child controls in the combo box
//
#define CBLISTBOXID 1000
#define CBEDITID 1001
#define CBBUTTONID 1002
//
// For CBOX.c. BoxType field, we define the following combo box styles. These
// numbers are the same as the CBS_ style codes as defined in winuser.h.
//
#define SDROPPABLE CBS_DROPDOWN
#define SEDITABLE CBS_SIMPLE
#define SSIMPLE SEDITABLE
#define SDROPDOWNLIST SDROPPABLE
#define SDROPDOWN (SDROPPABLE | SEDITABLE)
//
// Combobox & Listbox OwnerDraw types
//
#define OWNERDRAWFIXED 1
#define OWNERDRAWVAR 2
#define UPPERCASE 1
#define LOWERCASE 2
//
// Special styles for static controls, edit controls & listboxes so that we
// can do combo box specific stuff in their wnd procs.
//
#define LBS_COMBOBOX 0x8000L
//
// The default minimun number of items that should fit in a dropdown list before
// the list should start showing in scrollbars.
//
#define DEFAULT_MINVISIBLE 30
//
// Combobox macros
//
#define IsComboVisible(pcbox) \
(!pcbox->fNoRedraw && IsWindowVisible(pcbox->hwnd))
//
// Combine two DBCS WM_CHAR messages to
// a single WORD value.
//
#define CrackCombinedDbcsLB(c) \
((BYTE)(c))#define CrackCombinedDbcsTB(c) \
((c) >> 8)
//
// Instance data pointer access functions
//
#define ComboBox_GetPtr(hwnd) \
(PCBOX)GetWindowPtr(hwnd, 0)
#define ComboBox_SetPtr(hwnd, p) \
(PCBOX)SetWindowPtr(hwnd, 0, p)
//
// Combobox WndProc Prototype
//
extern LRESULT ComboBox_WndProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
typedef struct tagCBox { HWND hwnd; // Window for the combo box
HWND hwndParent; // Parent of the combo box
HTHEME hTheme; // Handle to the theme manager
RECT editrc; // Rectangle for the edit control/static text area
RECT buttonrc; // Rectangle where the dropdown button is
int cxCombo; // Width of sunken area
int cyCombo; // Height of sunken area
int cxDrop; // 0x24 Width of dropdown
int cyDrop; // Height of dropdown or shebang if simple
HWND hwndEdit; // Edit control window handle
HWND hwndList; // List box control window handle
UINT CBoxStyle:2; // Combo box style
UINT fFocus:1; // Combo box has focus?
UINT fNoRedraw:1; // Stop drawing?
UINT fMouseDown:1; // Was the popdown button just clicked and mouse still down?
UINT fButtonPressed:1; // Is the dropdown button in an inverted state?
UINT fLBoxVisible:1; // Is list box visible? (dropped down?)
UINT OwnerDraw:2; // Owner draw combo box if nonzero. value
// specifies either fixed or varheight
UINT fKeyboardSelInListBox:1; // Is the user keyboarding through the
// listbox. So that we don't hide the
// listbox on selchanges caused by the
// user keyboard through it but we do
// hide it if the mouse causes the selchange.
UINT fExtendedUI:1; // Are we doing TandyT's UI changes on this combo box?
UINT fCase:2;
UINT f3DCombo:1; // 3D or flat border?
UINT fNoEdit:1; // True if editing is not allowed in the edit window.
UINT fButtonHotTracked:1; // Is the dropdown hot-tracked?
UINT fRightAlign:1; // used primarily for MidEast right align
UINT fRtoLReading:1; // used only for MidEast, text rtol reading order
HANDLE hFont; // Font for the combo box
LONG styleSave; // Temp to save the style bits when creating
// window. Needed because we strip off some
// bits and pass them on to the listbox or edit box.
PWW pww; // RO pointer into the pwnd to ExStyle, Style, State, State2
int iMinVisible; // The minimun number of visible items before scrolls
} CBOX, *PCBOX;
// Combobox function prototypes.
// Defined in combo.c
BOOL ComboBox_HideListBoxWindow(PCBOX, BOOL, BOOL);VOID ComboBox_ShowListBoxWindow(PCBOX, BOOL);VOID ComboBox_InternalUpdateEditWindow(PCBOX, HDC);
// Defined in comboini.c
LONG ComboBox_NcCreateHandler(PCBOX, HWND);LRESULT ComboBox_CreateHandler(PCBOX, HWND);VOID ComboBox_NcDestroyHandler(PWND, PCBOX);VOID ComboBox_SetFontHandler(PCBOX, HANDLE, BOOL);LONG ComboBox_SetEditItemHeight(PCBOX, int);VOID ComboBox_SizeHandler(PCBOX);VOID ComboBox_Position(PCBOX);
// Defined in combodir.c
INT CBDir(PCBOX, UINT, LPWSTR);
#endif // __Combo_h__INCLUDED
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