From f6bf3066bb6cff48f5b92fd1ff06bfddda8258a6 Mon Sep 17 00:00:00 2001 From: Julian Smart Date: Fri, 22 May 1998 17:09:19 +0000 Subject: [PATCH] *** empty log message *** git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@24 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775 --- include/wx/ownerdrw.h | 131 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 include/wx/ownerdrw.h diff --git a/include/wx/ownerdrw.h b/include/wx/ownerdrw.h new file mode 100644 index 0000000000..293a5145ea --- /dev/null +++ b/include/wx/ownerdrw.h @@ -0,0 +1,131 @@ +/////////////////////////////////////////////////////////////////////////////// +// Name: ownerdrw.h +// Purpose: interface for owner-drawn GUI elements +// Author: Vadim Zeitlin +// Modified by: +// Created: 11.11.97 +// RCS-ID: $Id$ +// Copyright: (c) 1998 Vadim Zeitlin +// Licence: wxWindows license +/////////////////////////////////////////////////////////////////////////////// + +#ifndef _OWNERDRW_H +#define _OWNERDRW_H + +typedef wxColour wxColor; +typedef unsigned int uint; + +// ---------------------------------------------------------------------------- +// wxOwnerDrawn - a mix-in base class, derive from it to implement owner-drawn +// behaviour +// +// wxOwnerDrawn supports drawing of an item with non standard font, color and +// also supports 3 bitmaps: either a checked/unchecked bitmap for a checkable +// element or one unchangeable bitmap otherwise. +// ---------------------------------------------------------------------------- +class WXDLLEXPORT wxOwnerDrawn +{ +public: + // ctor & dtor + wxOwnerDrawn(const wxTString& str = "", + bool bCheckable = FALSE, + bool bMenuItem = FALSE); // ## kludge for colors + virtual ~wxOwnerDrawn() { } + + // fix appearance + inline void SetFont(const wxFont& font) + { m_font = font; m_bOwnerDrawn = TRUE; } + + inline wxFont& GetFont() const { return (wxFont &)m_font; } + + inline void SetTextColour(const wxColour& colText) + { m_colText = colText; m_bOwnerDrawn = TRUE; } + + inline wxColour& GetTextColour() const { return (wxColour&) m_colText; } + + inline void SetBackgroundColour(const wxColour& colBack) + { m_colBack = colBack; m_bOwnerDrawn = TRUE; } + + inline wxColour& GetBackgroundColour() const + { return (wxColour&) m_colBack ; } + + inline void SetBitmaps(const wxBitmap& bmpChecked, + const wxBitmap& bmpUnchecked = wxNullBitmap) + { m_bmpChecked = bmpChecked; + m_bmpUnchecked = bmpUnchecked; + m_bOwnerDrawn = TRUE; } + + inline wxBitmap& GetBitmap(bool bChecked = TRUE) const + { return (wxBitmap &)(bChecked ? m_bmpChecked : m_bmpUnchecked); } + + // the height of the menu checkmark (or bitmap) is determined by the font + // for the current item, but the width should be always the same (for the + // items to be aligned), so by default it's taken to be the same as for + // the last item (and default width for the first one). + // + // NB: default is too small for bitmaps, but ok for checkmarks. + inline void SetMarginWidth(int nWidth) + { ms_nLastMarginWidth = m_nMarginWidth = (uint) nWidth; + if ( ((uint) nWidth) != ms_nDefaultMarginWidth ) m_bOwnerDrawn = TRUE; } + + inline int GetMarginWidth() const { return (int) m_nMarginWidth; } + inline static int GetDefaultMarginWidth() { return (int) ms_nDefaultMarginWidth; } + + // accessors + void SetName(const wxString& strName) { m_strName = strName; } + const wxString& GetName() const { return m_strName; } + bool IsCheckable() const { return m_bCheckable; } + + // this function might seem strange, but if it returns FALSE it means that + // no non-standard attribute are set, so there is no need for this control + // to be owner-drawn. Moreover, you can force owner-drawn to FALSE if you + // want to change, say, the color for the item but only if it is owner-drawn + // (see wxMenuItem::wxMenuItem for example) + inline bool IsOwnerDrawn() const { return m_bOwnerDrawn; } + inline void ResetOwnerDrawn() { m_bOwnerDrawn = FALSE; } + +public: + // constants used in OnDrawItem + // (they have the same values as corresponding Win32 constants) + enum wxODAction + { + wxODDrawAll = 0x0001, // redraw entire control + wxODSelectChanged = 0x0002, // selection changed (see Status.Select) + wxODFocusChanged = 0x0004, // keyboard focus changed (see Status.Focus) + }; + + enum wxODStatus + { + wxODSelected = 0x0001, // control is currently selected + wxODGrayed = 0x0002, // item is to be grayed + wxODDisabled = 0x0004, // item is to be drawn as disabled + wxODChecked = 0x0008, // item is to be checked + wxODHasFocus = 0x0010, // item has the keyboard focus + wxODDefault = 0x0020, // item is the default item + }; + + // virtual functions to implement drawing (return TRUE if processed) + virtual bool OnMeasureItem(uint *pwidth, uint *pheight); + virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat); + +protected: + wxString m_strName; // label for a manu item + +private: + static uint ms_nDefaultMarginWidth; // menu check mark width + static uint ms_nLastMarginWidth; // handy for aligning all items + + bool m_bCheckable, // used only for menu or check listbox items + m_bOwnerDrawn; // true if something is non standard + + wxFont m_font; // font to use for drawing + wxColor m_colText, // color ----"---"---"---- + m_colBack; // background color + wxBitmap m_bmpChecked, // bitmap to put near the item + m_bmpUnchecked; // (checked is used also for 'uncheckable' items) + + uint m_nHeight, // font height + m_nMarginWidth; // space occupied by bitmap to the left of the item +}; + +#endif //_OWNERDRW_H \ No newline at end of file