9d043a9227
Forward declare more classes, in particular use tagRECT which can be forward declared, instead of RECT typedef in public headers. Also include more header in #ifndef WX_PRECOMP case. See #11595. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63272 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
146 lines
4.7 KiB
C++
146 lines
4.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: ownerdrw.h
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// Purpose: interface for owner-drawn GUI elements
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// Author: Vadim Zeitlin
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// Modified by: Marcin Malich
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// Created: 11.11.97
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// RCS-ID: $Id$
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// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_OWNERDRW_H_BASE
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#define _WX_OWNERDRW_H_BASE
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#include "wx/defs.h"
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#if wxUSE_OWNER_DRAWN
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#include "wx/font.h"
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#include "wx/colour.h"
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class WXDLLIMPEXP_FWD_CORE wxDC;
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// ----------------------------------------------------------------------------
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// wxOwnerDrawn - a mix-in base class, derive from it to implement owner-drawn
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// behaviour
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//
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// wxOwnerDrawn supports drawing of an item with non standard font, color and
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// also supports 3 bitmaps: either a checked/unchecked bitmap for a checkable
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// element or one unchangeable bitmap otherwise.
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxOwnerDrawnBase
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{
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public:
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wxOwnerDrawnBase()
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{
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m_ownerDrawn = false;
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m_margin = ms_defaultMargin;
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}
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virtual ~wxOwnerDrawnBase() {}
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void SetFont(const wxFont& font)
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{ m_font = font; m_ownerDrawn = true; }
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wxFont& GetFont() const
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{ return (wxFont&) m_font; }
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void SetTextColour(const wxColour& colText)
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{ m_colText = colText; m_ownerDrawn = true; }
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wxColour& GetTextColour() const
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{ return (wxColour&) m_colText; }
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void SetBackgroundColour(const wxColour& colBack)
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{ m_colBack = colBack; m_ownerDrawn = true; }
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wxColour& GetBackgroundColour() const
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{ return (wxColour&) m_colBack ; }
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void SetMarginWidth(int width)
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{ m_margin = width; }
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int GetMarginWidth() const
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{ return m_margin; }
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static int GetDefaultMarginWidth()
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{ return ms_defaultMargin; }
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// get item name (with mnemonics if exist)
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virtual wxString GetName() const = 0;
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// this function might seem strange, but if it returns false it means that
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// no non-standard attribute are set, so there is no need for this control
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// to be owner-drawn. Moreover, you can force owner-drawn to false if you
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// want to change, say, the color for the item but only if it is owner-drawn
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// (see wxMenuItem::wxMenuItem for example)
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bool IsOwnerDrawn() const
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{ return m_ownerDrawn; }
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// switch on/off owner-drawing the item
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void SetOwnerDrawn(bool ownerDrawn = true)
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{ m_ownerDrawn = ownerDrawn; }
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// constants used in OnDrawItem
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// (they have the same values as corresponding Win32 constants)
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enum wxODAction
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{
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wxODDrawAll = 0x0001, // redraw entire control
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wxODSelectChanged = 0x0002, // selection changed (see Status.Select)
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wxODFocusChanged = 0x0004 // keyboard focus changed (see Status.Focus)
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};
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enum wxODStatus
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{
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wxODSelected = 0x0001, // control is currently selected
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wxODGrayed = 0x0002, // item is to be grayed
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wxODDisabled = 0x0004, // item is to be drawn as disabled
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wxODChecked = 0x0008, // item is to be checked
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wxODHasFocus = 0x0010, // item has the keyboard focus
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wxODDefault = 0x0020, // item is the default item
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wxODHidePrefix= 0x0100 // hide keyboard cues (w2k and xp only)
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};
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// virtual functions to implement drawing (return true if processed)
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virtual bool OnMeasureItem(size_t *width, size_t *height);
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virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat) = 0;
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protected:
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// get the font and colour to use, whether it is set or not
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virtual void GetFontToUse(wxFont& font) const;
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virtual void GetColourToUse(wxODStatus stat, wxColour& colText, wxColour& colBack) const;
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private:
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bool m_ownerDrawn; // true if something is non standard
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wxFont m_font; // font to use for drawing
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wxColour m_colText, // color ----"---"---"----
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m_colBack; // background color
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int m_margin; // space occupied by bitmap to the left of the item
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static int ms_defaultMargin;
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};
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// ----------------------------------------------------------------------------
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// include the platform-specific class declaration
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// ----------------------------------------------------------------------------
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#if defined(__WXMSW__)
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#include "wx/msw/ownerdrw.h"
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#elif defined(__WXPM__)
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#include "wx/os2/ownerdrw.h"
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#endif
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#endif // wxUSE_OWNER_DRAWN
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#endif // _WX_OWNERDRW_H_BASE
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