4d833b7b7f
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58455 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
787 lines
24 KiB
C++
787 lines
24 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: listctrl.h
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// Purpose: private definitions of wxListCtrl helpers
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// Author: Robert Roebling
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// Vadim Zeitlin (virtual list control support)
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// Id: $Id$
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// Copyright: (c) 1998 Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_GENERIC_LISTCTRL_PRIVATE_H_
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#define _WX_GENERIC_LISTCTRL_PRIVATE_H_
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#include "wx/defs.h"
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#if wxUSE_LISTCTRL
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#include "wx/listctrl.h"
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#include "wx/selstore.h"
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#include "wx/timer.h"
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#include "wx/settings.h"
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// ============================================================================
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// private classes
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// ============================================================================
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//-----------------------------------------------------------------------------
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// wxColWidthInfo (internal)
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//-----------------------------------------------------------------------------
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struct wxColWidthInfo
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{
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int nMaxWidth;
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bool bNeedsUpdate; // only set to true when an item whose
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// width == nMaxWidth is removed
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wxColWidthInfo(int w = 0, bool needsUpdate = false)
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{
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nMaxWidth = w;
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bNeedsUpdate = needsUpdate;
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}
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};
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WX_DEFINE_ARRAY_PTR(wxColWidthInfo *, ColWidthArray);
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//-----------------------------------------------------------------------------
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// wxListItemData (internal)
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//-----------------------------------------------------------------------------
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class wxListItemData
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{
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public:
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wxListItemData(wxListMainWindow *owner);
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~wxListItemData();
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void SetItem( const wxListItem &info );
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void SetImage( int image ) { m_image = image; }
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void SetData( wxUIntPtr data ) { m_data = data; }
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void SetPosition( int x, int y );
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void SetSize( int width, int height );
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bool HasText() const { return !m_text.empty(); }
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const wxString& GetText() const { return m_text; }
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void SetText(const wxString& text) { m_text = text; }
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// we can't use empty string for measuring the string width/height, so
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// always return something
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wxString GetTextForMeasuring() const
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{
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wxString s = GetText();
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if ( s.empty() )
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s = _T('H');
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return s;
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}
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bool IsHit( int x, int y ) const;
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int GetX() const;
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int GetY() const;
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int GetWidth() const;
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int GetHeight() const;
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int GetImage() const { return m_image; }
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bool HasImage() const { return GetImage() != -1; }
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void GetItem( wxListItem &info ) const;
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void SetAttr(wxListItemAttr *attr) { m_attr = attr; }
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wxListItemAttr *GetAttr() const { return m_attr; }
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public:
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// the item image or -1
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int m_image;
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// user data associated with the item
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wxUIntPtr m_data;
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// the item coordinates are not used in report mode; instead this pointer is
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// NULL and the owner window is used to retrieve the item position and size
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wxRect *m_rect;
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// the list ctrl we are in
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wxListMainWindow *m_owner;
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// custom attributes or NULL
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wxListItemAttr *m_attr;
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protected:
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// common part of all ctors
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void Init();
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wxString m_text;
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};
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//-----------------------------------------------------------------------------
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// wxListHeaderData (internal)
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//-----------------------------------------------------------------------------
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class wxListHeaderData : public wxObject
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{
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public:
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wxListHeaderData();
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wxListHeaderData( const wxListItem &info );
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void SetItem( const wxListItem &item );
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void SetPosition( int x, int y );
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void SetWidth( int w );
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void SetState( int state );
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void SetFormat( int format );
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void SetHeight( int h );
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bool HasImage() const;
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bool HasText() const { return !m_text.empty(); }
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const wxString& GetText() const { return m_text; }
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void SetText(const wxString& text) { m_text = text; }
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void GetItem( wxListItem &item );
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bool IsHit( int x, int y ) const;
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int GetImage() const;
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int GetWidth() const;
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int GetFormat() const;
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int GetState() const;
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protected:
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long m_mask;
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int m_image;
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wxString m_text;
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int m_format;
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int m_width;
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int m_xpos,
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m_ypos;
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int m_height;
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int m_state;
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private:
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void Init();
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};
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//-----------------------------------------------------------------------------
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// wxListLineData (internal)
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//-----------------------------------------------------------------------------
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WX_DECLARE_LIST(wxListItemData, wxListItemDataList);
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class wxListLineData
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{
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public:
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// the list of subitems: only may have more than one item in report mode
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wxListItemDataList m_items;
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// this is not used in report view
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struct GeometryInfo
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{
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// total item rect
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wxRect m_rectAll;
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// label only
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wxRect m_rectLabel;
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// icon only
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wxRect m_rectIcon;
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// the part to be highlighted
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wxRect m_rectHighlight;
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// extend all our rects to be centered inside the one of given width
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void ExtendWidth(wxCoord w)
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{
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wxASSERT_MSG( m_rectAll.width <= w,
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_T("width can only be increased") );
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m_rectAll.width = w;
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m_rectLabel.x = m_rectAll.x + (w - m_rectLabel.width) / 2;
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m_rectIcon.x = m_rectAll.x + (w - m_rectIcon.width) / 2;
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m_rectHighlight.x = m_rectAll.x + (w - m_rectHighlight.width) / 2;
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}
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}
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*m_gi;
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// is this item selected? [NB: not used in virtual mode]
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bool m_highlighted;
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// back pointer to the list ctrl
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wxListMainWindow *m_owner;
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public:
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wxListLineData(wxListMainWindow *owner);
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~wxListLineData()
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{
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WX_CLEAR_LIST(wxListItemDataList, m_items);
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delete m_gi;
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}
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// are we in report mode?
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inline bool InReportView() const;
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// are we in virtual report mode?
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inline bool IsVirtual() const;
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// these 2 methods shouldn't be called for report view controls, in that
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// case we determine our position/size ourselves
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// calculate the size of the line
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void CalculateSize( wxDC *dc, int spacing );
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// remember the position this line appears at
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void SetPosition( int x, int y, int spacing );
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// wxListCtrl API
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void SetImage( int image ) { SetImage(0, image); }
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int GetImage() const { return GetImage(0); }
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void SetImage( int index, int image );
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int GetImage( int index ) const;
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bool HasImage() const { return GetImage() != -1; }
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bool HasText() const { return !GetText(0).empty(); }
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void SetItem( int index, const wxListItem &info );
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void GetItem( int index, wxListItem &info );
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wxString GetText(int index) const;
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void SetText( int index, const wxString& s );
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wxListItemAttr *GetAttr() const;
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void SetAttr(wxListItemAttr *attr);
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// return true if the highlighting really changed
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bool Highlight( bool on );
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void ReverseHighlight();
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bool IsHighlighted() const
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{
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wxASSERT_MSG( !IsVirtual(), _T("unexpected call to IsHighlighted") );
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return m_highlighted;
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}
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// draw the line on the given DC in icon/list mode
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void Draw( wxDC *dc );
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// the same in report mode
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void DrawInReportMode( wxDC *dc,
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const wxRect& rect,
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const wxRect& rectHL,
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bool highlighted,
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bool current );
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private:
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// set the line to contain num items (only can be > 1 in report mode)
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void InitItems( int num );
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// get the mode (i.e. style) of the list control
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inline int GetMode() const;
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// prepare the DC for drawing with these item's attributes, return true if
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// we need to draw the items background to highlight it, false otherwise
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bool SetAttributes(wxDC *dc,
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const wxListItemAttr *attr,
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bool highlight);
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// draw the text on the DC with the correct justification; also add an
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// ellipsis if the text is too large to fit in the current width
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void DrawTextFormatted(wxDC *dc,
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const wxString &text,
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int col,
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int x,
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int yMid, // this is middle, not top, of the text
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int width);
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};
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WX_DECLARE_OBJARRAY(wxListLineData, wxListLineDataArray);
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//-----------------------------------------------------------------------------
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// wxListHeaderWindow (internal)
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//-----------------------------------------------------------------------------
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class wxListHeaderWindow : public wxWindow
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{
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protected:
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wxListMainWindow *m_owner;
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const wxCursor *m_currentCursor;
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wxCursor *m_resizeCursor;
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bool m_isDragging;
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// column being resized or -1
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int m_column;
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// divider line position in logical (unscrolled) coords
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int m_currentX;
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// minimal position beyond which the divider line
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// can't be dragged in logical coords
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int m_minX;
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public:
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wxListHeaderWindow();
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wxListHeaderWindow( wxWindow *win,
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wxWindowID id,
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wxListMainWindow *owner,
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const wxPoint &pos = wxDefaultPosition,
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const wxSize &size = wxDefaultSize,
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long style = 0,
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const wxString &name = wxT("wxlistctrlcolumntitles") );
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virtual ~wxListHeaderWindow();
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void DrawCurrent();
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void AdjustDC( wxDC& dc );
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void OnPaint( wxPaintEvent &event );
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void OnMouse( wxMouseEvent &event );
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void OnSetFocus( wxFocusEvent &event );
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// needs refresh
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bool m_dirty;
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// Update main window's column later
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bool m_sendSetColumnWidth;
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int m_colToSend;
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int m_widthToSend;
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virtual void OnInternalIdle();
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private:
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// common part of all ctors
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void Init();
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// generate and process the list event of the given type, return true if
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// it wasn't vetoed, i.e. if we should proceed
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bool SendListEvent(wxEventType type, const wxPoint& pos);
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DECLARE_EVENT_TABLE()
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};
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//-----------------------------------------------------------------------------
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// wxListRenameTimer (internal)
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//-----------------------------------------------------------------------------
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class wxListRenameTimer: public wxTimer
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{
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private:
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wxListMainWindow *m_owner;
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public:
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wxListRenameTimer( wxListMainWindow *owner );
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void Notify();
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};
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//-----------------------------------------------------------------------------
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// wxListTextCtrlWrapper: wraps a wxTextCtrl to make it work for inline editing
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//-----------------------------------------------------------------------------
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class wxListTextCtrlWrapper : public wxEvtHandler
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{
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public:
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// NB: text must be a valid object but not Create()d yet
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wxListTextCtrlWrapper(wxListMainWindow *owner,
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wxTextCtrl *text,
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size_t itemEdit);
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wxTextCtrl *GetText() const { return m_text; }
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void EndEdit( bool discardChanges );
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protected:
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void OnChar( wxKeyEvent &event );
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void OnKeyUp( wxKeyEvent &event );
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void OnKillFocus( wxFocusEvent &event );
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bool AcceptChanges();
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void Finish( bool setfocus );
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private:
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wxListMainWindow *m_owner;
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wxTextCtrl *m_text;
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wxString m_startValue;
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size_t m_itemEdited;
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bool m_aboutToFinish;
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DECLARE_EVENT_TABLE()
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};
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//-----------------------------------------------------------------------------
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// wxListMainWindow (internal)
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//-----------------------------------------------------------------------------
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WX_DECLARE_LIST(wxListHeaderData, wxListHeaderDataList);
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class wxListMainWindow : public wxWindow
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{
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public:
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wxListMainWindow();
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wxListMainWindow( wxWindow *parent,
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wxWindowID id,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString &name = _T("listctrlmainwindow") );
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virtual ~wxListMainWindow();
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bool HasFlag(int flag) const { return m_parent->HasFlag(flag); }
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// return true if this is a virtual list control
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bool IsVirtual() const { return HasFlag(wxLC_VIRTUAL); }
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// return true if the control is in report mode
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bool InReportView() const { return HasFlag(wxLC_REPORT); }
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// return true if we are in single selection mode, false if multi sel
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bool IsSingleSel() const { return HasFlag(wxLC_SINGLE_SEL); }
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// do we have a header window?
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bool HasHeader() const
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{ return InReportView() && !HasFlag(wxLC_NO_HEADER); }
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void HighlightAll( bool on );
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// all these functions only do something if the line is currently visible
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// change the line "selected" state, return true if it really changed
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bool HighlightLine( size_t line, bool highlight = true);
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// as HighlightLine() but do it for the range of lines: this is incredibly
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// more efficient for virtual list controls!
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//
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// NB: unlike HighlightLine() this one does refresh the lines on screen
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void HighlightLines( size_t lineFrom, size_t lineTo, bool on = true );
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// toggle the line state and refresh it
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void ReverseHighlight( size_t line )
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{ HighlightLine(line, !IsHighlighted(line)); RefreshLine(line); }
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// return true if the line is highlighted
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bool IsHighlighted(size_t line) const;
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// refresh one or several lines at once
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void RefreshLine( size_t line );
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void RefreshLines( size_t lineFrom, size_t lineTo );
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// refresh all selected items
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void RefreshSelected();
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// refresh all lines below the given one: the difference with
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// RefreshLines() is that the index here might not be a valid one (happens
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// when the last line is deleted)
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void RefreshAfter( size_t lineFrom );
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// the methods which are forwarded to wxListLineData itself in list/icon
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// modes but are here because the lines don't store their positions in the
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// report mode
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// get the bound rect for the entire line
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wxRect GetLineRect(size_t line) const;
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// get the bound rect of the label
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wxRect GetLineLabelRect(size_t line) const;
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// get the bound rect of the items icon (only may be called if we do have
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// an icon!)
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wxRect GetLineIconRect(size_t line) const;
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// get the rect to be highlighted when the item has focus
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wxRect GetLineHighlightRect(size_t line) const;
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// get the size of the total line rect
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wxSize GetLineSize(size_t line) const
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{ return GetLineRect(line).GetSize(); }
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// return the hit code for the corresponding position (in this line)
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long HitTestLine(size_t line, int x, int y) const;
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// bring the selected item into view, scrolling to it if necessary
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void MoveToItem(size_t item);
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bool ScrollList( int WXUNUSED(dx), int dy );
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// bring the current item into view
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void MoveToFocus() { MoveToItem(m_current); }
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// start editing the label of the given item
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wxTextCtrl *EditLabel(long item,
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wxClassInfo* textControlClass = CLASSINFO(wxTextCtrl));
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wxTextCtrl *GetEditControl() const
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{
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return m_textctrlWrapper ? m_textctrlWrapper->GetText() : NULL;
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}
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void ResetTextControl(wxTextCtrl *text)
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{
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delete text;
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m_textctrlWrapper = NULL;
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}
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void OnRenameTimer();
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bool OnRenameAccept(size_t itemEdit, const wxString& value);
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void OnRenameCancelled(size_t itemEdit);
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void OnMouse( wxMouseEvent &event );
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// called to switch the selection from the current item to newCurrent,
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void OnArrowChar( size_t newCurrent, const wxKeyEvent& event );
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void OnChar( wxKeyEvent &event );
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void OnKeyDown( wxKeyEvent &event );
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void OnKeyUp( wxKeyEvent &event );
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void OnSetFocus( wxFocusEvent &event );
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void OnKillFocus( wxFocusEvent &event );
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void OnScroll( wxScrollWinEvent& event );
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void OnPaint( wxPaintEvent &event );
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void OnChildFocus(wxChildFocusEvent& event);
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void DrawImage( int index, wxDC *dc, int x, int y );
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void GetImageSize( int index, int &width, int &height ) const;
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int GetTextLength( const wxString &s ) const;
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void SetImageList( wxImageList *imageList, int which );
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void SetItemSpacing( int spacing, bool isSmall = false );
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int GetItemSpacing( bool isSmall = false );
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void SetColumn( int col, wxListItem &item );
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void SetColumnWidth( int col, int width );
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void GetColumn( int col, wxListItem &item ) const;
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int GetColumnWidth( int col ) const;
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int GetColumnCount() const { return m_columns.GetCount(); }
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// returns the sum of the heights of all columns
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int GetHeaderWidth() const;
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int GetCountPerPage() const;
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void SetItem( wxListItem &item );
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void GetItem( wxListItem &item ) const;
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void SetItemState( long item, long state, long stateMask );
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void SetItemStateAll( long state, long stateMask );
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int GetItemState( long item, long stateMask ) const;
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bool GetItemRect( long item, wxRect &rect ) const
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{
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return GetSubItemRect(item, wxLIST_GETSUBITEMRECT_WHOLEITEM, rect);
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}
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bool GetSubItemRect( long item, long subItem, wxRect& rect ) const;
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wxRect GetViewRect() const;
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bool GetItemPosition( long item, wxPoint& pos ) const;
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int GetSelectedItemCount() const;
|
|
|
|
wxString GetItemText(long item) const
|
|
{
|
|
wxListItem info;
|
|
info.m_mask = wxLIST_MASK_TEXT;
|
|
info.m_itemId = item;
|
|
GetItem( info );
|
|
return info.m_text;
|
|
}
|
|
|
|
void SetItemText(long item, const wxString& value)
|
|
{
|
|
wxListItem info;
|
|
info.m_mask = wxLIST_MASK_TEXT;
|
|
info.m_itemId = item;
|
|
info.m_text = value;
|
|
SetItem( info );
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|
}
|
|
|
|
wxImageList* GetSmallImageList() const
|
|
{ return m_small_image_list; }
|
|
|
|
// set the scrollbars and update the positions of the items
|
|
void RecalculatePositions(bool noRefresh = false);
|
|
|
|
// refresh the window and the header
|
|
void RefreshAll();
|
|
|
|
long GetNextItem( long item, int geometry, int state ) const;
|
|
void DeleteItem( long index );
|
|
void DeleteAllItems();
|
|
void DeleteColumn( int col );
|
|
void DeleteEverything();
|
|
void EnsureVisible( long index );
|
|
long FindItem( long start, const wxString& str, bool partial = false );
|
|
long FindItem( long start, wxUIntPtr data);
|
|
long FindItem( const wxPoint& pt );
|
|
long HitTest( int x, int y, int &flags ) const;
|
|
void InsertItem( wxListItem &item );
|
|
void InsertColumn( long col, wxListItem &item );
|
|
int GetItemWidthWithImage(wxListItem * item);
|
|
void SortItems( wxListCtrlCompare fn, long data );
|
|
|
|
size_t GetItemCount() const;
|
|
bool IsEmpty() const { return GetItemCount() == 0; }
|
|
void SetItemCount(long count);
|
|
|
|
// change the current (== focused) item, send a notification event
|
|
void ChangeCurrent(size_t current);
|
|
void ResetCurrent() { ChangeCurrent((size_t)-1); }
|
|
bool HasCurrent() const { return m_current != (size_t)-1; }
|
|
|
|
// send out a wxListEvent
|
|
void SendNotify( size_t line,
|
|
wxEventType command,
|
|
const wxPoint& point = wxDefaultPosition );
|
|
|
|
// override base class virtual to reset m_lineHeight when the font changes
|
|
virtual bool SetFont(const wxFont& font)
|
|
{
|
|
if ( !wxWindow::SetFont(font) )
|
|
return false;
|
|
|
|
m_lineHeight = 0;
|
|
|
|
return true;
|
|
}
|
|
|
|
// these are for wxListLineData usage only
|
|
|
|
// get the backpointer to the list ctrl
|
|
wxGenericListCtrl *GetListCtrl() const
|
|
{
|
|
return wxStaticCast(GetParent(), wxGenericListCtrl);
|
|
}
|
|
|
|
// get the height of all lines (assuming they all do have the same height)
|
|
wxCoord GetLineHeight() const;
|
|
|
|
// get the y position of the given line (only for report view)
|
|
wxCoord GetLineY(size_t line) const;
|
|
|
|
// get the brush to use for the item highlighting
|
|
wxBrush *GetHighlightBrush() const
|
|
{
|
|
return m_hasFocus ? m_highlightBrush : m_highlightUnfocusedBrush;
|
|
}
|
|
|
|
bool HasFocus() const
|
|
{
|
|
return m_hasFocus;
|
|
}
|
|
|
|
protected:
|
|
// the array of all line objects for a non virtual list control (for the
|
|
// virtual list control we only ever use m_lines[0])
|
|
wxListLineDataArray m_lines;
|
|
|
|
// the list of column objects
|
|
wxListHeaderDataList m_columns;
|
|
|
|
// currently focused item or -1
|
|
size_t m_current;
|
|
|
|
// the number of lines per page
|
|
int m_linesPerPage;
|
|
|
|
// this flag is set when something which should result in the window
|
|
// redrawing happens (i.e. an item was added or deleted, or its appearance
|
|
// changed) and OnPaint() doesn't redraw the window while it is set which
|
|
// allows to minimize the number of repaintings when a lot of items are
|
|
// being added. The real repainting occurs only after the next OnIdle()
|
|
// call
|
|
bool m_dirty;
|
|
|
|
wxColour *m_highlightColour;
|
|
wxImageList *m_small_image_list;
|
|
wxImageList *m_normal_image_list;
|
|
int m_small_spacing;
|
|
int m_normal_spacing;
|
|
bool m_hasFocus;
|
|
|
|
bool m_lastOnSame;
|
|
wxTimer *m_renameTimer;
|
|
bool m_isCreated;
|
|
int m_dragCount;
|
|
wxPoint m_dragStart;
|
|
ColWidthArray m_aColWidths;
|
|
|
|
// for double click logic
|
|
size_t m_lineLastClicked,
|
|
m_lineBeforeLastClicked,
|
|
m_lineSelectSingleOnUp;
|
|
|
|
protected:
|
|
wxWindow *GetMainWindowOfCompositeControl() { return GetParent(); }
|
|
|
|
// the total count of items in a virtual list control
|
|
size_t m_countVirt;
|
|
|
|
// the object maintaining the items selection state, only used in virtual
|
|
// controls
|
|
wxSelectionStore m_selStore;
|
|
|
|
// common part of all ctors
|
|
void Init();
|
|
|
|
// get the line data for the given index
|
|
wxListLineData *GetLine(size_t n) const
|
|
{
|
|
wxASSERT_MSG( n != (size_t)-1, _T("invalid line index") );
|
|
|
|
if ( IsVirtual() )
|
|
{
|
|
wxConstCast(this, wxListMainWindow)->CacheLineData(n);
|
|
n = 0;
|
|
}
|
|
|
|
return &m_lines[n];
|
|
}
|
|
|
|
// get a dummy line which can be used for geometry calculations and such:
|
|
// you must use GetLine() if you want to really draw the line
|
|
wxListLineData *GetDummyLine() const;
|
|
|
|
// cache the line data of the n-th line in m_lines[0]
|
|
void CacheLineData(size_t line);
|
|
|
|
// get the range of visible lines
|
|
void GetVisibleLinesRange(size_t *from, size_t *to);
|
|
|
|
// force us to recalculate the range of visible lines
|
|
void ResetVisibleLinesRange() { m_lineFrom = (size_t)-1; }
|
|
|
|
// get the colour to be used for drawing the rules
|
|
wxColour GetRuleColour() const
|
|
{
|
|
return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
|
|
}
|
|
|
|
private:
|
|
// initialize the current item if needed
|
|
void UpdateCurrent();
|
|
|
|
// delete all items but don't refresh: called from dtor
|
|
void DoDeleteAllItems();
|
|
|
|
// the height of one line using the current font
|
|
wxCoord m_lineHeight;
|
|
|
|
// the total header width or 0 if not calculated yet
|
|
wxCoord m_headerWidth;
|
|
|
|
// the first and last lines being shown on screen right now (inclusive),
|
|
// both may be -1 if they must be calculated so never access them directly:
|
|
// use GetVisibleLinesRange() above instead
|
|
size_t m_lineFrom,
|
|
m_lineTo;
|
|
|
|
// the brushes to use for item highlighting when we do/don't have focus
|
|
wxBrush *m_highlightBrush,
|
|
*m_highlightUnfocusedBrush;
|
|
|
|
// wrapper around the text control currently used for in place editing or
|
|
// NULL if no item is being edited
|
|
wxListTextCtrlWrapper *m_textctrlWrapper;
|
|
|
|
|
|
DECLARE_EVENT_TABLE()
|
|
|
|
friend class wxGenericListCtrl;
|
|
};
|
|
|
|
#endif // wxUSE_LISTCTRL
|
|
#endif // _WX_GENERIC_LISTCTRL_PRIVATE_H_
|