///////////////////////////////////////////////////////////////////////////// // Name: generic/listctrl.cpp // Purpose: generic implementation of wxListCtrl // Author: Robert Roebling // Vadim Zeitlin (virtual list control support) // Id: $Id$ // Copyright: (c) 1998 Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// /* TODO 1. we need to implement searching/sorting for virtual controls somehow ?2. when changing selection the lines are refreshed twice */ // ============================================================================ // declarations // ============================================================================ // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "listctrl.h" #pragma implementation "listctrlbase.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ #pragma hdrstop #endif #if wxUSE_LISTCTRL #ifndef WX_PRECOMP #include "wx/app.h" #include "wx/dynarray.h" #include "wx/dcscreen.h" #include "wx/textctrl.h" #endif // under Win32 we always use the native version and also may use the generic // one, however some things should be done only if we use only the generic // version #if defined(__WIN32__) && !defined(__WXUNIVERSAL__) #define HAVE_NATIVE_LISTCTRL #endif // if we have the native control, wx/listctrl.h declares it and not this one #ifdef HAVE_NATIVE_LISTCTRL #include "wx/generic/listctrl.h" #else // !HAVE_NATIVE_LISTCTRL #include "wx/listctrl.h" // if we have a native version, its implementation file does all this IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject) IMPLEMENT_DYNAMIC_CLASS(wxListView, wxListCtrl) IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent) IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxGenericListCtrl) #endif // HAVE_NATIVE_LISTCTRL/!HAVE_NATIVE_LISTCTRL #include "wx/selstore.h" #include "wx/renderer.h" // ---------------------------------------------------------------------------- // events // ---------------------------------------------------------------------------- DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_DRAG) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_RDRAG) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_END_LABEL_EDIT) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ITEM) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_GET_INFO) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_SET_INFO) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_SELECTED) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_DESELECTED) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_KEY_DOWN) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_INSERT_ITEM) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_CLICK) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_RIGHT_CLICK) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_DRAGGING) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_END_DRAG) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_ACTIVATED) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_FOCUSED) DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_CACHE_HINT) // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- // // the height of the header window (FIXME: should depend on its font!) // static const int HEADER_HEIGHT = 23; // the scrollbar units static const int SCROLL_UNIT_X = 15; static const int SCROLL_UNIT_Y = 15; // the spacing between the lines (in report mode) static const int LINE_SPACING = 0; // extra margins around the text label static const int EXTRA_WIDTH = 3; static const int EXTRA_HEIGHT = 4; // margin between the window and the items static const int EXTRA_BORDER_X = 2; static const int EXTRA_BORDER_Y = 2; // offset for the header window static const int HEADER_OFFSET_X = 1; static const int HEADER_OFFSET_Y = 1; // margin between rows of icons in [small] icon view static const int MARGIN_BETWEEN_ROWS = 6; // when autosizing the columns, add some slack static const int AUTOSIZE_COL_MARGIN = 10; // default and minimal widths for the header columns static const int WIDTH_COL_DEFAULT = 80; static const int WIDTH_COL_MIN = 10; // the space between the image and the text in the report mode static const int IMAGE_MARGIN_IN_REPORT_MODE = 5; // ============================================================================ // private classes // ============================================================================ //----------------------------------------------------------------------------- // wxListItemData (internal) //----------------------------------------------------------------------------- class WXDLLEXPORT wxListItemData { public: wxListItemData(wxListMainWindow *owner); ~wxListItemData(); void SetItem( const wxListItem &info ); void SetImage( int image ) { m_image = image; } void SetData( long data ) { m_data = data; } void SetPosition( int x, int y ); void SetSize( int width, int height ); bool HasText() const { return !m_text.empty(); } const wxString& GetText() const { return m_text; } void SetText(const wxString& text) { m_text = text; } // we can't use empty string for measuring the string width/height, so // always return something wxString GetTextForMeasuring() const { wxString s = GetText(); if ( s.empty() ) s = _T('H'); return s; } bool IsHit( int x, int y ) const; int GetX() const; int GetY() const; int GetWidth() const; int GetHeight() const; int GetImage() const { return m_image; } bool HasImage() const { return GetImage() != -1; } void GetItem( wxListItem &info ) const; void SetAttr(wxListItemAttr *attr) { m_attr = attr; } wxListItemAttr *GetAttr() const { return m_attr; } public: // the item image or -1 int m_image; // user data associated with the item long m_data; // the item coordinates are not used in report mode, instead this pointer // is NULL and the owner window is used to retrieve the item position and // size wxRect *m_rect; // the list ctrl we are in wxListMainWindow *m_owner; // custom attributes or NULL wxListItemAttr *m_attr; protected: // common part of all ctors void Init(); wxString m_text; }; //----------------------------------------------------------------------------- // wxListHeaderData (internal) //----------------------------------------------------------------------------- class WXDLLEXPORT wxListHeaderData : public wxObject { public: wxListHeaderData(); wxListHeaderData( const wxListItem &info ); void SetItem( const wxListItem &item ); void SetPosition( int x, int y ); void SetWidth( int w ); void SetFormat( int format ); void SetHeight( int h ); bool HasImage() const; bool HasText() const { return !m_text.empty(); } const wxString& GetText() const { return m_text; } void SetText(const wxString& text) { m_text = text; } void GetItem( wxListItem &item ); bool IsHit( int x, int y ) const; int GetImage() const; int GetWidth() const; int GetFormat() const; protected: long m_mask; int m_image; wxString m_text; int m_format; int m_width; int m_xpos, m_ypos; int m_height; private: void Init(); }; //----------------------------------------------------------------------------- // wxListLineData (internal) //----------------------------------------------------------------------------- WX_DECLARE_LIST(wxListItemData, wxListItemDataList); #include "wx/listimpl.cpp" WX_DEFINE_LIST(wxListItemDataList); class wxListLineData { public: // the list of subitems: only may have more than one item in report mode wxListItemDataList m_items; // this is not used in report view struct GeometryInfo { // total item rect wxRect m_rectAll; // label only wxRect m_rectLabel; // icon only wxRect m_rectIcon; // the part to be highlighted wxRect m_rectHighlight; // extend all our rects to be centered inside theo ne of given width void ExtendWidth(wxCoord w) { wxASSERT_MSG( m_rectAll.width <= w, _T("width can only be increased") ); m_rectAll.width = w; m_rectLabel.x = m_rectAll.x + (w - m_rectLabel.width)/2; m_rectIcon.x = m_rectAll.x + (w - m_rectIcon.width)/2; m_rectHighlight.x = m_rectAll.x + (w - m_rectHighlight.width)/2; } } *m_gi; // is this item selected? [NB: not used in virtual mode] bool m_highlighted; // back pointer to the list ctrl wxListMainWindow *m_owner; public: wxListLineData(wxListMainWindow *owner); ~wxListLineData() { WX_CLEAR_LIST(wxListItemDataList, m_items); delete m_gi; } // are we in report mode? inline bool InReportView() const; // are we in virtual report mode? inline bool IsVirtual() const; // these 2 methods shouldn't be called for report view controls, in that // case we determine our position/size ourselves // calculate the size of the line void CalculateSize( wxDC *dc, int spacing ); // remember the position this line appears at void SetPosition( int x, int y, int spacing ); // wxListCtrl API void SetImage( int image ) { SetImage(0, image); } int GetImage() const { return GetImage(0); } bool HasImage() const { return GetImage() != -1; } bool HasText() const { return !GetText(0).empty(); } void SetItem( int index, const wxListItem &info ); void GetItem( int index, wxListItem &info ); wxString GetText(int index) const; void SetText( int index, const wxString s ); wxListItemAttr *GetAttr() const; void SetAttr(wxListItemAttr *attr); // return true if the highlighting really changed bool Highlight( bool on ); void ReverseHighlight(); bool IsHighlighted() const { wxASSERT_MSG( !IsVirtual(), _T("unexpected call to IsHighlighted") ); return m_highlighted; } // draw the line on the given DC in icon/list mode void Draw( wxDC *dc ); // the same in report mode void DrawInReportMode( wxDC *dc, const wxRect& rect, const wxRect& rectHL, bool highlighted ); private: // set the line to contain num items (only can be > 1 in report mode) void InitItems( int num ); // get the mode (i.e. style) of the list control inline int GetMode() const; // prepare the DC for drawing with these item's attributes, return true if // we need to draw the items background to highlight it, false otherwise bool SetAttributes(wxDC *dc, const wxListItemAttr *attr, bool highlight); // draw the text on the DC with the correct justification; also add an // ellipsis if the text is too large to fit in the current width void DrawTextFormatted(wxDC *dc, const wxString &text, int col, int x, int y, int width); // these are only used by GetImage/SetImage above, we don't support images // with subitems at the public API level yet void SetImage( int index, int image ); int GetImage( int index ) const; }; WX_DECLARE_EXPORTED_OBJARRAY(wxListLineData, wxListLineDataArray); #include "wx/arrimpl.cpp" WX_DEFINE_OBJARRAY(wxListLineDataArray); //----------------------------------------------------------------------------- // wxListHeaderWindow (internal) //----------------------------------------------------------------------------- class WXDLLEXPORT wxListHeaderWindow : public wxWindow { protected: wxListMainWindow *m_owner; wxCursor *m_currentCursor; wxCursor *m_resizeCursor; bool m_isDragging; // column being resized or -1 int m_column; // divider line position in logical (unscrolled) coords int m_currentX; // minimal position beyond which the divider line can't be dragged in // logical coords int m_minX; public: wxListHeaderWindow(); wxListHeaderWindow( wxWindow *win, wxWindowID id, wxListMainWindow *owner, const wxPoint &pos = wxDefaultPosition, const wxSize &size = wxDefaultSize, long style = 0, const wxString &name = wxT("wxlistctrlcolumntitles") ); virtual ~wxListHeaderWindow(); void DrawCurrent(); void AdjustDC(wxDC& dc); void OnPaint( wxPaintEvent &event ); void OnMouse( wxMouseEvent &event ); void OnSetFocus( wxFocusEvent &event ); // needs refresh bool m_dirty; private: // common part of all ctors void Init(); // generate and process the list event of the given type, return true if // it wasn't vetoed, i.e. if we should proceed bool SendListEvent(wxEventType type, wxPoint pos); DECLARE_DYNAMIC_CLASS(wxListHeaderWindow) DECLARE_EVENT_TABLE() }; //----------------------------------------------------------------------------- // wxListRenameTimer (internal) //----------------------------------------------------------------------------- class WXDLLEXPORT wxListRenameTimer: public wxTimer { private: wxListMainWindow *m_owner; public: wxListRenameTimer( wxListMainWindow *owner ); void Notify(); }; //----------------------------------------------------------------------------- // wxListTextCtrl (internal) //----------------------------------------------------------------------------- class WXDLLEXPORT wxListTextCtrl: public wxTextCtrl { public: wxListTextCtrl(wxListMainWindow *owner, size_t itemEdit); protected: void OnChar( wxKeyEvent &event ); void OnKeyUp( wxKeyEvent &event ); void OnKillFocus( wxFocusEvent &event ); bool AcceptChanges(); void Finish(); private: wxListMainWindow *m_owner; wxString m_startValue; size_t m_itemEdited; bool m_finished; DECLARE_EVENT_TABLE() }; //----------------------------------------------------------------------------- // wxListMainWindow (internal) //----------------------------------------------------------------------------- WX_DECLARE_LIST(wxListHeaderData, wxListHeaderDataList); #include "wx/listimpl.cpp" WX_DEFINE_LIST(wxListHeaderDataList); class wxListMainWindow : public wxScrolledWindow { public: wxListMainWindow(); wxListMainWindow( wxWindow *parent, wxWindowID id, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0, const wxString &name = _T("listctrlmainwindow") ); virtual ~wxListMainWindow(); bool HasFlag(int flag) const { return m_parent->HasFlag(flag); } // return true if this is a virtual list control bool IsVirtual() const { return HasFlag(wxLC_VIRTUAL); } // return true if the control is in report mode bool InReportView() const { return HasFlag(wxLC_REPORT); } // return true if we are in single selection mode, false if multi sel bool IsSingleSel() const { return HasFlag(wxLC_SINGLE_SEL); } // do we have a header window? bool HasHeader() const { return HasFlag(wxLC_REPORT) && !HasFlag(wxLC_NO_HEADER); } void HighlightAll( bool on ); // all these functions only do something if the line is currently visible // change the line "selected" state, return TRUE if it really changed bool HighlightLine( size_t line, bool highlight = TRUE); // as HighlightLine() but do it for the range of lines: this is incredibly // more efficient for virtual list controls! // // NB: unlike HighlightLine() this one does refresh the lines on screen void HighlightLines( size_t lineFrom, size_t lineTo, bool on = TRUE ); // toggle the line state and refresh it void ReverseHighlight( size_t line ) { HighlightLine(line, !IsHighlighted(line)); RefreshLine(line); } // return true if the line is highlighted bool IsHighlighted(size_t line) const; // refresh one or several lines at once void RefreshLine( size_t line ); void RefreshLines( size_t lineFrom, size_t lineTo ); // refresh all selected items void RefreshSelected(); // refresh all lines below the given one: the difference with // RefreshLines() is that the index here might not be a valid one (happens // when the last line is deleted) void RefreshAfter( size_t lineFrom ); // the methods which are forwarded to wxListLineData itself in list/icon // modes but are here because the lines don't store their positions in the // report mode // get the bound rect for the entire line wxRect GetLineRect(size_t line) const; // get the bound rect of the label wxRect GetLineLabelRect(size_t line) const; // get the bound rect of the items icon (only may be called if we do have // an icon!) wxRect GetLineIconRect(size_t line) const; // get the rect to be highlighted when the item has focus wxRect GetLineHighlightRect(size_t line) const; // get the size of the total line rect wxSize GetLineSize(size_t line) const { return GetLineRect(line).GetSize(); } // return the hit code for the corresponding position (in this line) long HitTestLine(size_t line, int x, int y) const; // bring the selected item into view, scrolling to it if necessary void MoveToItem(size_t item); // bring the current item into view void MoveToFocus() { MoveToItem(m_current); } // start editing the label of the given item void EditLabel( long item ); // suspend/resume redrawing the control void Freeze(); void Thaw(); void SetFocus(); void OnRenameTimer(); bool OnRenameAccept(size_t itemEdit, const wxString& value); void OnRenameCancelled(size_t itemEdit); void OnMouse( wxMouseEvent &event ); // called to switch the selection from the current item to newCurrent, void OnArrowChar( size_t newCurrent, const wxKeyEvent& event ); void OnChar( wxKeyEvent &event ); void OnKeyDown( wxKeyEvent &event ); void OnSetFocus( wxFocusEvent &event ); void OnKillFocus( wxFocusEvent &event ); void OnScroll(wxScrollWinEvent& event) ; void OnPaint( wxPaintEvent &event ); void DrawImage( int index, wxDC *dc, int x, int y ); void GetImageSize( int index, int &width, int &height ) const; int GetTextLength( const wxString &s ) const; void SetImageList( wxImageListType *imageList, int which ); void SetItemSpacing( int spacing, bool isSmall = FALSE ); int GetItemSpacing( bool isSmall = FALSE ); void SetColumn( int col, wxListItem &item ); void SetColumnWidth( int col, int width ); void GetColumn( int col, wxListItem &item ) const; int GetColumnWidth( int col ) const; int GetColumnCount() const { return m_columns.GetCount(); } // returns the sum of the heights of all columns int GetHeaderWidth() const; int GetCountPerPage() const; void SetItem( wxListItem &item ); void GetItem( wxListItem &item ) const; void SetItemState( long item, long state, long stateMask ); int GetItemState( long item, long stateMask ) const; void GetItemRect( long index, wxRect &rect ) const; wxRect GetViewRect() const; bool GetItemPosition( long item, wxPoint& pos ) const; int GetSelectedItemCount() const; wxString GetItemText(long item) const { wxListItem info; 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 ); } // 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, long data); long HitTest( int x, int y, int &flags ); void InsertItem( wxListItem &item ); void InsertColumn( long col, 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, wxPoint point = wxDefaultPosition ); // override base class virtual to reset m_lineHeight when the font changes virtual bool SetFont(const wxFont& font) { if ( !wxScrolledWindow::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; } //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; wxImageListType *m_small_image_list; wxImageListType *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; // for double click logic size_t m_lineLastClicked, m_lineBeforeLastClicked; protected: // 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 { #ifdef __WXMAC__ return *wxWHITE; #else return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT); #endif } 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; // if this is > 0, the control is frozen and doesn't redraw itself size_t m_freezeCount; DECLARE_DYNAMIC_CLASS(wxListMainWindow) DECLARE_EVENT_TABLE() friend class wxGenericListCtrl; }; // ============================================================================ // implementation // ============================================================================ //----------------------------------------------------------------------------- // wxListItemData //----------------------------------------------------------------------------- wxListItemData::~wxListItemData() { // in the virtual list control the attributes are managed by the main // program, so don't delete them if ( !m_owner->IsVirtual() ) { delete m_attr; } delete m_rect; } void wxListItemData::Init() { m_image = -1; m_data = 0; m_attr = NULL; } wxListItemData::wxListItemData(wxListMainWindow *owner) { Init(); m_owner = owner; if ( owner->InReportView() ) { m_rect = NULL; } else { m_rect = new wxRect; } } void wxListItemData::SetItem( const wxListItem &info ) { if ( info.m_mask & wxLIST_MASK_TEXT ) SetText(info.m_text); if ( info.m_mask & wxLIST_MASK_IMAGE ) m_image = info.m_image; if ( info.m_mask & wxLIST_MASK_DATA ) m_data = info.m_data; if ( info.HasAttributes() ) { if ( m_attr ) *m_attr = *info.GetAttributes(); else m_attr = new wxListItemAttr(*info.GetAttributes()); } if ( m_rect ) { m_rect->x = m_rect->y = m_rect->height = 0; m_rect->width = info.m_width; } } void wxListItemData::SetPosition( int x, int y ) { wxCHECK_RET( m_rect, _T("unexpected SetPosition() call") ); m_rect->x = x; m_rect->y = y; } void wxListItemData::SetSize( int width, int height ) { wxCHECK_RET( m_rect, _T("unexpected SetSize() call") ); if ( width != -1 ) m_rect->width = width; if ( height != -1 ) m_rect->height = height; } bool wxListItemData::IsHit( int x, int y ) const { wxCHECK_MSG( m_rect, FALSE, _T("can't be called in this mode") ); return wxRect(GetX(), GetY(), GetWidth(), GetHeight()).Inside(x, y); } int wxListItemData::GetX() const { wxCHECK_MSG( m_rect, 0, _T("can't be called in this mode") ); return m_rect->x; } int wxListItemData::GetY() const { wxCHECK_MSG( m_rect, 0, _T("can't be called in this mode") ); return m_rect->y; } int wxListItemData::GetWidth() const { wxCHECK_MSG( m_rect, 0, _T("can't be called in this mode") ); return m_rect->width; } int wxListItemData::GetHeight() const { wxCHECK_MSG( m_rect, 0, _T("can't be called in this mode") ); return m_rect->height; } void wxListItemData::GetItem( wxListItem &info ) const { info.m_text = m_text; info.m_image = m_image; info.m_data = m_data; if ( m_attr ) { if ( m_attr->HasTextColour() ) info.SetTextColour(m_attr->GetTextColour()); if ( m_attr->HasBackgroundColour() ) info.SetBackgroundColour(m_attr->GetBackgroundColour()); if ( m_attr->HasFont() ) info.SetFont(m_attr->GetFont()); } } //----------------------------------------------------------------------------- // wxListHeaderData //----------------------------------------------------------------------------- void wxListHeaderData::Init() { m_mask = 0; m_image = -1; m_format = 0; m_width = 0; m_xpos = 0; m_ypos = 0; m_height = 0; } wxListHeaderData::wxListHeaderData() { Init(); } wxListHeaderData::wxListHeaderData( const wxListItem &item ) { Init(); SetItem( item ); } void wxListHeaderData::SetItem( const wxListItem &item ) { m_mask = item.m_mask; if ( m_mask & wxLIST_MASK_TEXT ) m_text = item.m_text; if ( m_mask & wxLIST_MASK_IMAGE ) m_image = item.m_image; if ( m_mask & wxLIST_MASK_FORMAT ) m_format = item.m_format; if ( m_mask & wxLIST_MASK_WIDTH ) SetWidth(item.m_width); } void wxListHeaderData::SetPosition( int x, int y ) { m_xpos = x; m_ypos = y; } void wxListHeaderData::SetHeight( int h ) { m_height = h; } void wxListHeaderData::SetWidth( int w ) { m_width = w; if (m_width < 0) m_width = WIDTH_COL_DEFAULT; else if (m_width < WIDTH_COL_MIN) m_width = WIDTH_COL_MIN; } void wxListHeaderData::SetFormat( int format ) { m_format = format; } bool wxListHeaderData::HasImage() const { return m_image != -1; } bool wxListHeaderData::IsHit( int x, int y ) const { return ((x >= m_xpos) && (x <= m_xpos+m_width) && (y >= m_ypos) && (y <= m_ypos+m_height)); } void wxListHeaderData::GetItem( wxListItem& item ) { item.m_mask = m_mask; item.m_text = m_text; item.m_image = m_image; item.m_format = m_format; item.m_width = m_width; } int wxListHeaderData::GetImage() const { return m_image; } int wxListHeaderData::GetWidth() const { return m_width; } int wxListHeaderData::GetFormat() const { return m_format; } //----------------------------------------------------------------------------- // wxListLineData //----------------------------------------------------------------------------- inline int wxListLineData::GetMode() const { return m_owner->GetListCtrl()->GetWindowStyleFlag() & wxLC_MASK_TYPE; } inline bool wxListLineData::InReportView() const { return m_owner->HasFlag(wxLC_REPORT); } inline bool wxListLineData::IsVirtual() const { return m_owner->IsVirtual(); } wxListLineData::wxListLineData( wxListMainWindow *owner ) { m_owner = owner; if ( InReportView() ) { m_gi = NULL; } else // !report { m_gi = new GeometryInfo; } m_highlighted = FALSE; InitItems( GetMode() == wxLC_REPORT ? m_owner->GetColumnCount() : 1 ); } void wxListLineData::CalculateSize( wxDC *dc, int spacing ) { wxListItemDataList::compatibility_iterator node = m_items.GetFirst(); wxCHECK_RET( node, _T("no subitems at all??") ); wxListItemData *item = node->GetData(); wxString s; wxCoord lw, lh; switch ( GetMode() ) { case wxLC_ICON: case wxLC_SMALL_ICON: m_gi->m_rectAll.width = spacing; s = item->GetText(); if ( s.empty() ) { lh = m_gi->m_rectLabel.width = m_gi->m_rectLabel.height = 0; } else // has label { dc->GetTextExtent( s, &lw, &lh ); if (lh < SCROLL_UNIT_Y) lh = SCROLL_UNIT_Y; lw += EXTRA_WIDTH; lh += EXTRA_HEIGHT; m_gi->m_rectAll.height = spacing + lh; if (lw > spacing) m_gi->m_rectAll.width = lw; m_gi->m_rectLabel.width = lw; m_gi->m_rectLabel.height = lh; } if (item->HasImage()) { int w, h; m_owner->GetImageSize( item->GetImage(), w, h ); m_gi->m_rectIcon.width = w + 8; m_gi->m_rectIcon.height = h + 8; if ( m_gi->m_rectIcon.width > m_gi->m_rectAll.width ) m_gi->m_rectAll.width = m_gi->m_rectIcon.width; if ( m_gi->m_rectIcon.height + lh > m_gi->m_rectAll.height - 4 ) m_gi->m_rectAll.height = m_gi->m_rectIcon.height + lh + 4; } if ( item->HasText() ) { m_gi->m_rectHighlight.width = m_gi->m_rectLabel.width; m_gi->m_rectHighlight.height = m_gi->m_rectLabel.height; } else // no text, highlight the icon { m_gi->m_rectHighlight.width = m_gi->m_rectIcon.width; m_gi->m_rectHighlight.height = m_gi->m_rectIcon.height; } break; case wxLC_LIST: s = item->GetTextForMeasuring(); dc->GetTextExtent( s, &lw, &lh ); if (lh < SCROLL_UNIT_Y) lh = SCROLL_UNIT_Y; lw += EXTRA_WIDTH; lh += EXTRA_HEIGHT; m_gi->m_rectLabel.width = lw; m_gi->m_rectLabel.height = lh; m_gi->m_rectAll.width = lw; m_gi->m_rectAll.height = lh; if (item->HasImage()) { int w, h; m_owner->GetImageSize( item->GetImage(), w, h ); m_gi->m_rectIcon.width = w; m_gi->m_rectIcon.height = h; m_gi->m_rectAll.width += 4 + w; if (h > m_gi->m_rectAll.height) m_gi->m_rectAll.height = h; } m_gi->m_rectHighlight.width = m_gi->m_rectAll.width; m_gi->m_rectHighlight.height = m_gi->m_rectAll.height; break; case wxLC_REPORT: wxFAIL_MSG( _T("unexpected call to SetSize") ); break; default: wxFAIL_MSG( _T("unknown mode") ); } } void wxListLineData::SetPosition( int x, int y, int spacing ) { wxListItemDataList::compatibility_iterator node = m_items.GetFirst(); wxCHECK_RET( node, _T("no subitems at all??") ); wxListItemData *item = node->GetData(); switch ( GetMode() ) { case wxLC_ICON: case wxLC_SMALL_ICON: m_gi->m_rectAll.x = x; m_gi->m_rectAll.y = y; if ( item->HasImage() ) { m_gi->m_rectIcon.x = m_gi->m_rectAll.x + 4 + (m_gi->m_rectAll.width - m_gi->m_rectIcon.width) / 2; m_gi->m_rectIcon.y = m_gi->m_rectAll.y + 4; } if ( item->HasText() ) { if (m_gi->m_rectAll.width > spacing) m_gi->m_rectLabel.x = m_gi->m_rectAll.x + 2; else m_gi->m_rectLabel.x = m_gi->m_rectAll.x + 2 + (spacing/2) - (m_gi->m_rectLabel.width/2); m_gi->m_rectLabel.y = m_gi->m_rectAll.y + m_gi->m_rectAll.height + 2 - m_gi->m_rectLabel.height; m_gi->m_rectHighlight.x = m_gi->m_rectLabel.x - 2; m_gi->m_rectHighlight.y = m_gi->m_rectLabel.y - 2; } else // no text, highlight the icon { m_gi->m_rectHighlight.x = m_gi->m_rectIcon.x - 4; m_gi->m_rectHighlight.y = m_gi->m_rectIcon.y - 4; } break; case wxLC_LIST: m_gi->m_rectAll.x = x; m_gi->m_rectAll.y = y; m_gi->m_rectHighlight.x = m_gi->m_rectAll.x; m_gi->m_rectHighlight.y = m_gi->m_rectAll.y; m_gi->m_rectLabel.y = m_gi->m_rectAll.y + 2; if (item->HasImage()) { m_gi->m_rectIcon.x = m_gi->m_rectAll.x + 2; m_gi->m_rectIcon.y = m_gi->m_rectAll.y + 2; m_gi->m_rectLabel.x = m_gi->m_rectAll.x + 6 + m_gi->m_rectIcon.width; } else { m_gi->m_rectLabel.x = m_gi->m_rectAll.x + 2; } break; case wxLC_REPORT: wxFAIL_MSG( _T("unexpected call to SetPosition") ); break; default: wxFAIL_MSG( _T("unknown mode") ); } } void wxListLineData::InitItems( int num ) { for (int i = 0; i < num; i++) m_items.Append( new wxListItemData(m_owner) ); } void wxListLineData::SetItem( int index, const wxListItem &info ) { wxListItemDataList::compatibility_iterator node = m_items.Item( index ); wxCHECK_RET( node, _T("invalid column index in SetItem") ); wxListItemData *item = node->GetData(); item->SetItem( info ); } void wxListLineData::GetItem( int index, wxListItem &info ) { wxListItemDataList::compatibility_iterator node = m_items.Item( index ); if (node) { wxListItemData *item = node->GetData(); item->GetItem( info ); } } wxString wxListLineData::GetText(int index) const { wxString s; wxListItemDataList::compatibility_iterator node = m_items.Item( index ); if (node) { wxListItemData *item = node->GetData(); s = item->GetText(); } return s; } void wxListLineData::SetText( int index, const wxString s ) { wxListItemDataList::compatibility_iterator node = m_items.Item( index ); if (node) { wxListItemData *item = node->GetData(); item->SetText( s ); } } void wxListLineData::SetImage( int index, int image ) { wxListItemDataList::compatibility_iterator node = m_items.Item( index ); wxCHECK_RET( node, _T("invalid column index in SetImage()") ); wxListItemData *item = node->GetData(); item->SetImage(image); } int wxListLineData::GetImage( int index ) const { wxListItemDataList::compatibility_iterator node = m_items.Item( index ); wxCHECK_MSG( node, -1, _T("invalid column index in GetImage()") ); wxListItemData *item = node->GetData(); return item->GetImage(); } wxListItemAttr *wxListLineData::GetAttr() const { wxListItemDataList::compatibility_iterator node = m_items.GetFirst(); wxCHECK_MSG( node, NULL, _T("invalid column index in GetAttr()") ); wxListItemData *item = node->GetData(); return item->GetAttr(); } void wxListLineData::SetAttr(wxListItemAttr *attr) { wxListItemDataList::compatibility_iterator node = m_items.GetFirst(); wxCHECK_RET( node, _T("invalid column index in SetAttr()") ); wxListItemData *item = node->GetData(); item->SetAttr(attr); } bool wxListLineData::SetAttributes(wxDC *dc, const wxListItemAttr *attr, bool highlighted) { wxWindow *listctrl = m_owner->GetParent(); // fg colour // don't use foreground colour for drawing highlighted items - this might // make them completely invisible (and there is no way to do bit // arithmetics on wxColour, unfortunately) wxColour colText; if ( highlighted ) { colText = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT); } else { if ( attr && attr->HasTextColour() ) { colText = attr->GetTextColour(); } else { colText = listctrl->GetForegroundColour(); } } dc->SetTextForeground(colText); // font wxFont font; if ( attr && attr->HasFont() ) { font = attr->GetFont(); } else { font = listctrl->GetFont(); } dc->SetFont(font); // bg colour bool hasBgCol = attr && attr->HasBackgroundColour(); if ( highlighted || hasBgCol ) { if ( highlighted ) { dc->SetBrush( *m_owner->GetHighlightBrush() ); } else { dc->SetBrush(wxBrush(attr->GetBackgroundColour(), wxSOLID)); } dc->SetPen( *wxTRANSPARENT_PEN ); return TRUE; } return FALSE; } void wxListLineData::Draw( wxDC *dc ) { wxListItemDataList::compatibility_iterator node = m_items.GetFirst(); wxCHECK_RET( node, _T("no subitems at all??") ); bool highlighted = IsHighlighted(); wxListItemAttr *attr = GetAttr(); if ( SetAttributes(dc, attr, highlighted) ) { dc->DrawRectangle( m_gi->m_rectHighlight ); } // just for debugging to better see where the items are #if 0 dc->SetPen(*wxRED_PEN); dc->SetBrush(*wxTRANSPARENT_BRUSH); dc->DrawRectangle( m_gi->m_rectAll ); dc->SetPen(*wxGREEN_PEN); dc->DrawRectangle( m_gi->m_rectIcon ); #endif // 0 wxListItemData *item = node->GetData(); if (item->HasImage()) { // centre the image inside our rectangle, this looks nicer when items // ae aligned in a row const wxRect& rectIcon = m_gi->m_rectIcon; m_owner->DrawImage(item->GetImage(), dc, rectIcon.x, rectIcon.y); } if (item->HasText()) { const wxRect& rectLabel = m_gi->m_rectLabel; wxDCClipper clipper(*dc, rectLabel); dc->DrawText(item->GetText(), rectLabel.x, rectLabel.y); } } void wxListLineData::DrawInReportMode( wxDC *dc, const wxRect& rect, const wxRect& rectHL, bool highlighted ) { // TODO: later we should support setting different attributes for // different columns - to do it, just add "col" argument to // GetAttr() and move these lines into the loop below wxListItemAttr *attr = GetAttr(); if ( SetAttributes(dc, attr, highlighted) ) { dc->DrawRectangle( rectHL ); } wxCoord x = rect.x + HEADER_OFFSET_X, y = rect.y + (LINE_SPACING + EXTRA_HEIGHT) / 2; size_t col = 0; for ( wxListItemDataList::compatibility_iterator node = m_items.GetFirst(); node; node = node->GetNext(), col++ ) { wxListItemData *item = node->GetData(); int width = m_owner->GetColumnWidth(col); int xOld = x; x += width; if ( item->HasImage() ) { int ix, iy; m_owner->DrawImage( item->GetImage(), dc, xOld, y ); m_owner->GetImageSize( item->GetImage(), ix, iy ); ix += IMAGE_MARGIN_IN_REPORT_MODE; xOld += ix; width -= ix; } wxDCClipper clipper(*dc, xOld, y, width - 8, rect.height); if ( item->HasText() ) { DrawTextFormatted(dc, item->GetText(), col, xOld, y, width - 8); } } } void wxListLineData::DrawTextFormatted(wxDC *dc, const wxString &text, int col, int x, int y, int width) { wxString drawntext, ellipsis; wxCoord w, h, base_w; wxListItem item; // determine if the string can fit inside the current width dc->GetTextExtent(text, &w, &h); if (w <= width) { // it can, draw it using the items alignment m_owner->GetColumn(col, item); switch ( item.GetAlign() ) { default: wxFAIL_MSG( _T("unknown list item format") ); // fall through case wxLIST_FORMAT_LEFT: // nothing to do break; case wxLIST_FORMAT_RIGHT: x += width - w; break; case wxLIST_FORMAT_CENTER: x += (width - w) / 2; break; } dc->DrawText(text, x, y); } else // otherwise, truncate and add an ellipsis if possible { // determine the base width ellipsis = wxString(wxT("...")); dc->GetTextExtent(ellipsis, &base_w, &h); // continue until we have enough space or only one character left wxCoord w_c, h_c; size_t len = text.Length(); drawntext = text.Left(len); while (len > 1) { dc->GetTextExtent(drawntext.Last(), &w_c, &h_c); drawntext.RemoveLast(); len--; w -= w_c; if (w + base_w <= width) break; } // if still not enough space, remove ellipsis characters while (ellipsis.Length() > 0 && w + base_w > width) { ellipsis = ellipsis.Left(ellipsis.Length() - 1); dc->GetTextExtent(ellipsis, &base_w, &h); } // now draw the text dc->DrawText(drawntext, x, y); dc->DrawText(ellipsis, x + w, y); } } bool wxListLineData::Highlight( bool on ) { wxCHECK_MSG( !m_owner->IsVirtual(), FALSE, _T("unexpected call to Highlight") ); if ( on == m_highlighted ) return FALSE; m_highlighted = on; return TRUE; } void wxListLineData::ReverseHighlight( void ) { Highlight(!IsHighlighted()); } //----------------------------------------------------------------------------- // wxListHeaderWindow //----------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxListHeaderWindow,wxWindow) BEGIN_EVENT_TABLE(wxListHeaderWindow,wxWindow) EVT_PAINT (wxListHeaderWindow::OnPaint) EVT_MOUSE_EVENTS (wxListHeaderWindow::OnMouse) EVT_SET_FOCUS (wxListHeaderWindow::OnSetFocus) END_EVENT_TABLE() void wxListHeaderWindow::Init() { m_currentCursor = (wxCursor *) NULL; m_isDragging = FALSE; m_dirty = FALSE; } wxListHeaderWindow::wxListHeaderWindow() { Init(); m_owner = (wxListMainWindow *) NULL; m_resizeCursor = (wxCursor *) NULL; } wxListHeaderWindow::wxListHeaderWindow( wxWindow *win, wxWindowID id, wxListMainWindow *owner, const wxPoint& pos, const wxSize& size, long style, const wxString &name ) : wxWindow( win, id, pos, size, style, name ) { Init(); m_owner = owner; m_resizeCursor = new wxCursor( wxCURSOR_SIZEWE ); SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE ) ); } wxListHeaderWindow::~wxListHeaderWindow() { delete m_resizeCursor; } #ifdef __WXUNIVERSAL__ #include "wx/univ/renderer.h" #include "wx/univ/theme.h" #endif // shift the DC origin to match the position of the main window horz // scrollbar: this allows us to always use logical coords void wxListHeaderWindow::AdjustDC(wxDC& dc) { int xpix; m_owner->GetScrollPixelsPerUnit( &xpix, NULL ); int x; m_owner->GetViewStart( &x, NULL ); // account for the horz scrollbar offset dc.SetDeviceOrigin( -x * xpix, 0 ); } void wxListHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) { wxPaintDC dc( this ); PrepareDC( dc ); AdjustDC( dc ); dc.BeginDrawing(); dc.SetFont( GetFont() ); // width and height of the entire header window int w, h; GetClientSize( &w, &h ); m_owner->CalcUnscrolledPosition(w, 0, &w, NULL); dc.SetBackgroundMode(wxTRANSPARENT); // do *not* use the listctrl colour for headers - one day we will have a // function to set it separately //dc.SetTextForeground( *wxBLACK ); dc.SetTextForeground(wxSystemSettings:: GetSystemColour( wxSYS_COLOUR_WINDOWTEXT )); int x = HEADER_OFFSET_X; int numColumns = m_owner->GetColumnCount(); wxListItem item; for ( int i = 0; i < numColumns && x < w; i++ ) { m_owner->GetColumn( i, item ); int wCol = item.m_width; // the width of the rect to draw: make it smaller to fit entirely // inside the column rect int cw = wCol - 2; wxRendererNative::Get().DrawHeaderButton ( this, dc, wxRect(x, HEADER_OFFSET_Y, cw, h - 2), m_parent->IsEnabled() ? 0 : wxCONTROL_DISABLED ); // see if we have enough space for the column label // for this we need the width of the text wxCoord wLabel; dc.GetTextExtent(item.GetText(), &wLabel, NULL); wLabel += 2*EXTRA_WIDTH; // and the width of the icon, if any static const int MARGIN_BETWEEN_TEXT_AND_ICON = 2; int ix = 0, // init them just to suppress the compiler warnings iy = 0; const int image = item.m_image; wxImageListType *imageList; if ( image != -1 ) { imageList = m_owner->m_small_image_list; if ( imageList ) { imageList->GetSize(image, ix, iy); wLabel += ix + MARGIN_BETWEEN_TEXT_AND_ICON; } } else { imageList = NULL; } // ignore alignment if there is not enough space anyhow int xAligned; switch ( wLabel < cw ? item.GetAlign() : wxLIST_FORMAT_LEFT ) { default: wxFAIL_MSG( _T("unknown list item format") ); // fall through case wxLIST_FORMAT_LEFT: xAligned = x; break; case wxLIST_FORMAT_RIGHT: xAligned = x + cw - wLabel; break; case wxLIST_FORMAT_CENTER: xAligned = x + (cw - wLabel) / 2; break; } // if we have an image, draw it on the right of the label if ( imageList ) { imageList->Draw ( image, dc, xAligned + wLabel - ix - MARGIN_BETWEEN_TEXT_AND_ICON, HEADER_OFFSET_Y + (h - 4 - iy)/2, wxIMAGELIST_DRAW_TRANSPARENT ); cw -= ix + MARGIN_BETWEEN_TEXT_AND_ICON; } // draw the text clipping it so that it doesn't overwrite the column // boundary wxDCClipper clipper(dc, x, HEADER_OFFSET_Y, cw, h - 4 ); dc.DrawText( item.GetText(), xAligned + EXTRA_WIDTH, HEADER_OFFSET_Y + EXTRA_HEIGHT ); x += wCol; } dc.EndDrawing(); } void wxListHeaderWindow::DrawCurrent() { int x1 = m_currentX; int y1 = 0; m_owner->ClientToScreen( &x1, &y1 ); int x2 = m_currentX; int y2 = 0; m_owner->GetClientSize( NULL, &y2 ); m_owner->ClientToScreen( &x2, &y2 ); wxScreenDC dc; dc.SetLogicalFunction( wxINVERT ); dc.SetPen( wxPen( *wxBLACK, 2, wxSOLID ) ); dc.SetBrush( *wxTRANSPARENT_BRUSH ); AdjustDC(dc); dc.DrawLine( x1, y1, x2, y2 ); dc.SetLogicalFunction( wxCOPY ); dc.SetPen( wxNullPen ); dc.SetBrush( wxNullBrush ); } void wxListHeaderWindow::OnMouse( wxMouseEvent &event ) { // we want to work with logical coords int x; m_owner->CalcUnscrolledPosition(event.GetX(), 0, &x, NULL); int y = event.GetY(); if (m_isDragging) { SendListEvent(wxEVT_COMMAND_LIST_COL_DRAGGING, event.GetPosition()); // we don't draw the line beyond our window, but we allow dragging it // there int w = 0; GetClientSize( &w, NULL ); m_owner->CalcUnscrolledPosition(w, 0, &w, NULL); w -= 6; // erase the line if it was drawn if ( m_currentX < w ) DrawCurrent(); if (event.ButtonUp()) { ReleaseMouse(); m_isDragging = FALSE; m_dirty = TRUE; m_owner->SetColumnWidth( m_column, m_currentX - m_minX ); SendListEvent(wxEVT_COMMAND_LIST_COL_END_DRAG, event.GetPosition()); } else { if (x > m_minX + 7) m_currentX = x; else m_currentX = m_minX + 7; // draw in the new location if ( m_currentX < w ) DrawCurrent(); } } else // not dragging { m_minX = 0; bool hit_border = FALSE; // end of the current column int xpos = 0; // find the column where this event occured int col, countCol = m_owner->GetColumnCount(); for (col = 0; col < countCol; col++) { xpos += m_owner->GetColumnWidth( col ); m_column = col; if ( (abs(x-xpos) < 3) && (y < 22) ) { // near the column border hit_border = TRUE; break; } if ( x < xpos ) { // inside the column break; } m_minX = xpos; } if ( col == countCol ) m_column = -1; if (event.LeftDown() || event.RightUp()) { if (hit_border && event.LeftDown()) { if ( SendListEvent(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG, event.GetPosition()) ) { m_isDragging = TRUE; m_currentX = x; DrawCurrent(); CaptureMouse(); } //else: column resizing was vetoed by the user code } else // click on a column { SendListEvent( event.LeftDown() ? wxEVT_COMMAND_LIST_COL_CLICK : wxEVT_COMMAND_LIST_COL_RIGHT_CLICK, event.GetPosition()); } } else if (event.Moving()) { bool setCursor; if (hit_border) { setCursor = m_currentCursor == wxSTANDARD_CURSOR; m_currentCursor = m_resizeCursor; } else { setCursor = m_currentCursor != wxSTANDARD_CURSOR; m_currentCursor = wxSTANDARD_CURSOR; } if ( setCursor ) SetCursor(*m_currentCursor); } } } void wxListHeaderWindow::OnSetFocus( wxFocusEvent &WXUNUSED(event) ) { m_owner->SetFocus(); } bool wxListHeaderWindow::SendListEvent(wxEventType type, wxPoint pos) { wxWindow *parent = GetParent(); wxListEvent le( type, parent->GetId() ); le.SetEventObject( parent ); le.m_pointDrag = pos; // the position should be relative to the parent window, not // this one for compatibility with MSW and common sense: the // user code doesn't know anything at all about this header // window, so why should it get positions relative to it? le.m_pointDrag.y -= GetSize().y; le.m_col = m_column; return !parent->GetEventHandler()->ProcessEvent( le ) || le.IsAllowed(); } //----------------------------------------------------------------------------- // wxListRenameTimer (internal) //----------------------------------------------------------------------------- wxListRenameTimer::wxListRenameTimer( wxListMainWindow *owner ) { m_owner = owner; } void wxListRenameTimer::Notify() { m_owner->OnRenameTimer(); } //----------------------------------------------------------------------------- // wxListTextCtrl (internal) //----------------------------------------------------------------------------- BEGIN_EVENT_TABLE(wxListTextCtrl,wxTextCtrl) EVT_CHAR (wxListTextCtrl::OnChar) EVT_KEY_UP (wxListTextCtrl::OnKeyUp) EVT_KILL_FOCUS (wxListTextCtrl::OnKillFocus) END_EVENT_TABLE() wxListTextCtrl::wxListTextCtrl(wxListMainWindow *owner, size_t itemEdit) : m_startValue(owner->GetItemText(itemEdit)), m_itemEdited(itemEdit) { m_owner = owner; m_finished = FALSE; wxRect rectLabel = owner->GetLineLabelRect(itemEdit); m_owner->CalcScrolledPosition(rectLabel.x, rectLabel.y, &rectLabel.x, &rectLabel.y); (void)Create(owner, wxID_ANY, m_startValue, wxPoint(rectLabel.x-4,rectLabel.y-4), wxSize(rectLabel.width+11,rectLabel.height+8)); } void wxListTextCtrl::Finish() { if ( !m_finished ) { wxPendingDelete.Append(this); m_finished = TRUE; m_owner->SetFocus(); } } bool wxListTextCtrl::AcceptChanges() { const wxString value = GetValue(); if ( value == m_startValue ) { // nothing changed, always accept return TRUE; } if ( !m_owner->OnRenameAccept(m_itemEdited, value) ) { // vetoed by the user return FALSE; } // accepted, do rename the item m_owner->SetItemText(m_itemEdited, value); return TRUE; } void wxListTextCtrl::OnChar( wxKeyEvent &event ) { switch ( event.m_keyCode ) { case WXK_RETURN: if ( !AcceptChanges() ) { // vetoed by the user code break; } //else: fall through case WXK_ESCAPE: Finish(); m_owner->OnRenameCancelled( m_itemEdited ); break; default: event.Skip(); } } void wxListTextCtrl::OnKeyUp( wxKeyEvent &event ) { if (m_finished) { event.Skip(); return; } // auto-grow the textctrl: wxSize parentSize = m_owner->GetSize(); wxPoint myPos = GetPosition(); wxSize mySize = GetSize(); int sx, sy; GetTextExtent(GetValue() + _T("MM"), &sx, &sy); if (myPos.x + sx > parentSize.x) sx = parentSize.x - myPos.x; if (mySize.x > sx) sx = mySize.x; SetSize(sx, -1); event.Skip(); } void wxListTextCtrl::OnKillFocus( wxFocusEvent &event ) { if ( !m_finished ) { // We must finish regardless of success, otherwise we'll get focus problems Finish(); if ( !AcceptChanges() ) m_owner->OnRenameCancelled( m_itemEdited ); } event.Skip(); } //----------------------------------------------------------------------------- // wxListMainWindow //----------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxListMainWindow,wxScrolledWindow) BEGIN_EVENT_TABLE(wxListMainWindow,wxScrolledWindow) EVT_PAINT (wxListMainWindow::OnPaint) EVT_MOUSE_EVENTS (wxListMainWindow::OnMouse) EVT_CHAR (wxListMainWindow::OnChar) EVT_KEY_DOWN (wxListMainWindow::OnKeyDown) EVT_SET_FOCUS (wxListMainWindow::OnSetFocus) EVT_KILL_FOCUS (wxListMainWindow::OnKillFocus) EVT_SCROLLWIN (wxListMainWindow::OnScroll) END_EVENT_TABLE() void wxListMainWindow::Init() { m_dirty = TRUE; m_countVirt = 0; m_lineFrom = m_lineTo = (size_t)-1; m_linesPerPage = 0; m_headerWidth = m_lineHeight = 0; m_small_image_list = (wxImageListType *) NULL; m_normal_image_list = (wxImageListType *) NULL; m_small_spacing = 30; m_normal_spacing = 40; m_hasFocus = FALSE; m_dragCount = 0; m_isCreated = FALSE; m_lastOnSame = FALSE; m_renameTimer = new wxListRenameTimer( this ); m_current = m_lineLastClicked = m_lineBeforeLastClicked = (size_t)-1; m_freezeCount = 0; } wxListMainWindow::wxListMainWindow() { Init(); m_highlightBrush = m_highlightUnfocusedBrush = (wxBrush *) NULL; } wxListMainWindow::wxListMainWindow( wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxString &name ) : wxScrolledWindow( parent, id, pos, size, style | wxHSCROLL | wxVSCROLL, name ) { Init(); m_highlightBrush = new wxBrush ( wxSystemSettings::GetColour ( wxSYS_COLOUR_HIGHLIGHT ), wxSOLID ); m_highlightUnfocusedBrush = new wxBrush ( wxSystemSettings::GetColour ( wxSYS_COLOUR_BTNSHADOW ), wxSOLID ); wxSize sz = size; sz.y = 25; SetScrollbars( SCROLL_UNIT_X, SCROLL_UNIT_Y, 0, 0, 0, 0 ); SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_LISTBOX ) ); } wxListMainWindow::~wxListMainWindow() { DoDeleteAllItems(); WX_CLEAR_LIST(wxListHeaderDataList, m_columns); delete m_highlightBrush; delete m_highlightUnfocusedBrush; delete m_renameTimer; } void wxListMainWindow::CacheLineData(size_t line) { wxGenericListCtrl *listctrl = GetListCtrl(); wxListLineData *ld = GetDummyLine(); size_t countCol = GetColumnCount(); for ( size_t col = 0; col < countCol; col++ ) { ld->SetText(col, listctrl->OnGetItemText(line, col)); } ld->SetImage(listctrl->OnGetItemImage(line)); ld->SetAttr(listctrl->OnGetItemAttr(line)); } wxListLineData *wxListMainWindow::GetDummyLine() const { wxASSERT_MSG( !IsEmpty(), _T("invalid line index") ); wxASSERT_MSG( IsVirtual(), _T("GetDummyLine() shouldn't be called") ); wxListMainWindow *self = wxConstCast(this, wxListMainWindow); // we need to recreate the dummy line if the number of columns in the // control changed as it would have the incorrect number of fields // otherwise if ( !m_lines.IsEmpty() && m_lines[0].m_items.GetCount() != (size_t)GetColumnCount() ) { self->m_lines.Clear(); } if ( m_lines.IsEmpty() ) { wxListLineData *line = new wxListLineData(self); self->m_lines.Add(line); // don't waste extra memory -- there never going to be anything // else/more in this array self->m_lines.Shrink(); } return &m_lines[0]; } // ---------------------------------------------------------------------------- // line geometry (report mode only) // ---------------------------------------------------------------------------- wxCoord wxListMainWindow::GetLineHeight() const { wxASSERT_MSG( HasFlag(wxLC_REPORT), _T("only works in report mode") ); // we cache the line height as calling GetTextExtent() is slow if ( !m_lineHeight ) { wxListMainWindow *self = wxConstCast(this, wxListMainWindow); wxClientDC dc( self ); dc.SetFont( GetFont() ); wxCoord y; dc.GetTextExtent(_T("H"), NULL, &y); if ( y < SCROLL_UNIT_Y ) y = SCROLL_UNIT_Y; if ( m_small_image_list && m_small_image_list->GetImageCount() ) { int iw = 0; int ih = 0; m_small_image_list->GetSize(0, iw, ih); y = wxMax(y, ih); } y += EXTRA_HEIGHT; self->m_lineHeight = y + LINE_SPACING; } return m_lineHeight; } wxCoord wxListMainWindow::GetLineY(size_t line) const { wxASSERT_MSG( HasFlag(wxLC_REPORT), _T("only works in report mode") ); return LINE_SPACING + line*GetLineHeight(); } wxRect wxListMainWindow::GetLineRect(size_t line) const { if ( !InReportView() ) return GetLine(line)->m_gi->m_rectAll; wxRect rect; rect.x = HEADER_OFFSET_X; rect.y = GetLineY(line); rect.width = GetHeaderWidth(); rect.height = GetLineHeight(); return rect; } wxRect wxListMainWindow::GetLineLabelRect(size_t line) const { if ( !InReportView() ) return GetLine(line)->m_gi->m_rectLabel; wxRect rect; rect.x = HEADER_OFFSET_X; rect.y = GetLineY(line); rect.width = GetColumnWidth(0); rect.height = GetLineHeight(); return rect; } wxRect wxListMainWindow::GetLineIconRect(size_t line) const { if ( !InReportView() ) return GetLine(line)->m_gi->m_rectIcon; wxListLineData *ld = GetLine(line); wxASSERT_MSG( ld->HasImage(), _T("should have an image") ); wxRect rect; rect.x = HEADER_OFFSET_X; rect.y = GetLineY(line); GetImageSize(ld->GetImage(), rect.width, rect.height); return rect; } wxRect wxListMainWindow::GetLineHighlightRect(size_t line) const { return InReportView() ? GetLineRect(line) : GetLine(line)->m_gi->m_rectHighlight; } long wxListMainWindow::HitTestLine(size_t line, int x, int y) const { wxASSERT_MSG( line < GetItemCount(), _T("invalid line in HitTestLine") ); wxListLineData *ld = GetLine(line); if ( ld->HasImage() && GetLineIconRect(line).Inside(x, y) ) return wxLIST_HITTEST_ONITEMICON; // VS: Testing for "ld->HasText() || InReportView()" instead of // "ld->HasText()" is needed to make empty lines in report view // possible if ( ld->HasText() || InReportView() ) { wxRect rect = InReportView() ? GetLineRect(line) : GetLineLabelRect(line); if ( rect.Inside(x, y) ) return wxLIST_HITTEST_ONITEMLABEL; } return 0; } // ---------------------------------------------------------------------------- // highlight (selection) handling // ---------------------------------------------------------------------------- bool wxListMainWindow::IsHighlighted(size_t line) const { if ( IsVirtual() ) { return m_selStore.IsSelected(line); } else // !virtual { wxListLineData *ld = GetLine(line); wxCHECK_MSG( ld, FALSE, _T("invalid index in IsHighlighted") ); return ld->IsHighlighted(); } } void wxListMainWindow::HighlightLines( size_t lineFrom, size_t lineTo, bool highlight ) { if ( IsVirtual() ) { wxArrayInt linesChanged; if ( !m_selStore.SelectRange(lineFrom, lineTo, highlight, &linesChanged) ) { // meny items changed state, refresh everything RefreshLines(lineFrom, lineTo); } else // only a few items changed state, refresh only them { size_t count = linesChanged.GetCount(); for ( size_t n = 0; n < count; n++ ) { RefreshLine(linesChanged[n]); } } } else // iterate over all items in non report view { for ( size_t line = lineFrom; line <= lineTo; line++ ) { if ( HighlightLine(line, highlight) ) { RefreshLine(line); } } } } bool wxListMainWindow::HighlightLine( size_t line, bool highlight ) { bool changed; if ( IsVirtual() ) { changed = m_selStore.SelectItem(line, highlight); } else // !virtual { wxListLineData *ld = GetLine(line); wxCHECK_MSG( ld, FALSE, _T("invalid index in HighlightLine") ); changed = ld->Highlight(highlight); } if ( changed ) { SendNotify( line, highlight ? wxEVT_COMMAND_LIST_ITEM_SELECTED : wxEVT_COMMAND_LIST_ITEM_DESELECTED ); } return changed; } void wxListMainWindow::RefreshLine( size_t line ) { if ( HasFlag(wxLC_REPORT) ) { size_t visibleFrom, visibleTo; GetVisibleLinesRange(&visibleFrom, &visibleTo); if ( line < visibleFrom || line > visibleTo ) return; } wxRect rect = GetLineRect(line); CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y ); RefreshRect( rect ); } void wxListMainWindow::RefreshLines( size_t lineFrom, size_t lineTo ) { // we suppose that they are ordered by caller wxASSERT_MSG( lineFrom <= lineTo, _T("indices in disorder") ); wxASSERT_MSG( lineTo < GetItemCount(), _T("invalid line range") ); if ( HasFlag(wxLC_REPORT) ) { size_t visibleFrom, visibleTo; GetVisibleLinesRange(&visibleFrom, &visibleTo); if ( lineFrom < visibleFrom ) lineFrom = visibleFrom; if ( lineTo > visibleTo ) lineTo = visibleTo; wxRect rect; rect.x = 0; rect.y = GetLineY(lineFrom); rect.width = GetClientSize().x; rect.height = GetLineY(lineTo) - rect.y + GetLineHeight(); CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y ); RefreshRect( rect ); } else // !report { // TODO: this should be optimized... for ( size_t line = lineFrom; line <= lineTo; line++ ) { RefreshLine(line); } } } void wxListMainWindow::RefreshAfter( size_t lineFrom ) { if ( HasFlag(wxLC_REPORT) ) { size_t visibleFrom, visibleTo; GetVisibleLinesRange(&visibleFrom, &visibleTo); if ( lineFrom < visibleFrom ) lineFrom = visibleFrom; else if ( lineFrom > visibleTo ) return; wxRect rect; rect.x = 0; rect.y = GetLineY(lineFrom); CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y ); wxSize size = GetClientSize(); rect.width = size.x; // refresh till the bottom of the window rect.height = size.y - rect.y; RefreshRect( rect ); } else // !report { // TODO: how to do it more efficiently? m_dirty = TRUE; } } void wxListMainWindow::RefreshSelected() { if ( IsEmpty() ) return; size_t from, to; if ( InReportView() ) { GetVisibleLinesRange(&from, &to); } else // !virtual { from = 0; to = GetItemCount() - 1; } if ( HasCurrent() && m_current >= from && m_current <= to ) { RefreshLine(m_current); } for ( size_t line = from; line <= to; line++ ) { // NB: the test works as expected even if m_current == -1 if ( line != m_current && IsHighlighted(line) ) { RefreshLine(line); } } } void wxListMainWindow::Freeze() { m_freezeCount++; } void wxListMainWindow::Thaw() { wxCHECK_RET( m_freezeCount > 0, _T("thawing unfrozen list control?") ); if ( !--m_freezeCount ) { Refresh(); } } void wxListMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) { // Note: a wxPaintDC must be constructed even if no drawing is // done (a Windows requirement). wxPaintDC dc( this ); if ( IsEmpty() || m_freezeCount ) { // nothing to draw or not the moment to draw it return; } if ( m_dirty ) { // delay the repainting until we calculate all the items positions return; } PrepareDC( dc ); int dev_x, dev_y; CalcScrolledPosition( 0, 0, &dev_x, &dev_y ); dc.BeginDrawing(); dc.SetFont( GetFont() ); if ( HasFlag(wxLC_REPORT) ) { int lineHeight = GetLineHeight(); size_t visibleFrom, visibleTo; GetVisibleLinesRange(&visibleFrom, &visibleTo); wxRect rectLine; wxCoord xOrig, yOrig; CalcUnscrolledPosition(0, 0, &xOrig, &yOrig); // tell the caller cache to cache the data if ( IsVirtual() ) { wxListEvent evCache(wxEVT_COMMAND_LIST_CACHE_HINT, GetParent()->GetId()); evCache.SetEventObject( GetParent() ); evCache.m_oldItemIndex = visibleFrom; evCache.m_itemIndex = visibleTo; GetParent()->GetEventHandler()->ProcessEvent( evCache ); } for ( size_t line = visibleFrom; line <= visibleTo; line++ ) { rectLine = GetLineRect(line); if ( !IsExposed(rectLine.x - xOrig, rectLine.y - yOrig, rectLine.width, rectLine.height) ) { // don't redraw unaffected lines to avoid flicker continue; } GetLine(line)->DrawInReportMode( &dc, rectLine, GetLineHighlightRect(line), IsHighlighted(line) ); } if ( HasFlag(wxLC_HRULES) ) { wxPen pen(GetRuleColour(), 1, wxSOLID); wxSize clientSize = GetClientSize(); // Don't draw the first one for ( size_t i = visibleFrom+1; i <= visibleTo; i++ ) { dc.SetPen(pen); dc.SetBrush( *wxTRANSPARENT_BRUSH ); dc.DrawLine(0 - dev_x, i*lineHeight, clientSize.x - dev_x, i*lineHeight); } // Draw last horizontal rule if ( visibleTo == GetItemCount() - 1 ) { dc.SetPen(pen); dc.SetBrush( *wxTRANSPARENT_BRUSH ); dc.DrawLine(0 - dev_x, (m_lineTo+1)*lineHeight, clientSize.x - dev_x , (m_lineTo+1)*lineHeight ); } } // Draw vertical rules if required if ( HasFlag(wxLC_VRULES) && !IsEmpty() ) { wxPen pen(GetRuleColour(), 1, wxSOLID); int col = 0; wxRect firstItemRect; wxRect lastItemRect; GetItemRect(visibleFrom, firstItemRect); GetItemRect(visibleTo, lastItemRect); int x = firstItemRect.GetX(); dc.SetPen(pen); dc.SetBrush(* wxTRANSPARENT_BRUSH); for (col = 0; col < GetColumnCount(); col++) { int colWidth = GetColumnWidth(col); x += colWidth; dc.DrawLine(x - dev_x - 2, firstItemRect.GetY() - 1 - dev_y, x - dev_x - 2, lastItemRect.GetBottom() + 1 - dev_y); } } } else // !report { size_t count = GetItemCount(); for ( size_t i = 0; i < count; i++ ) { GetLine(i)->Draw( &dc ); } } if ( HasCurrent() ) { // don't draw rect outline under Max if we already have the background // color but under other platforms only draw it if we do: it is a bit // silly to draw "focus rect" if we don't have focus! #ifdef __WXMAC__ if ( !m_hasFocus ) #else // !__WXMAC__ if ( m_hasFocus ) #endif // __WXMAC__/!__WXMAC__ { dc.SetPen( *wxBLACK_PEN ); dc.SetBrush( *wxTRANSPARENT_BRUSH ); dc.DrawRectangle( GetLineHighlightRect(m_current) ); } } dc.EndDrawing(); } void wxListMainWindow::HighlightAll( bool on ) { if ( IsSingleSel() ) { wxASSERT_MSG( !on, _T("can't do this in a single sel control") ); // we just have one item to turn off if ( HasCurrent() && IsHighlighted(m_current) ) { HighlightLine(m_current, FALSE); RefreshLine(m_current); } } else // multi sel { HighlightLines(0, GetItemCount() - 1, on); } } void wxListMainWindow::SendNotify( size_t line, wxEventType command, wxPoint point ) { wxListEvent le( command, GetParent()->GetId() ); le.SetEventObject( GetParent() ); le.m_itemIndex = line; // set only for events which have position if ( point != wxDefaultPosition ) le.m_pointDrag = point; // don't try to get the line info for virtual list controls: the main // program has it anyhow and if we did it would result in accessing all // the lines, even those which are not visible now and this is precisely // what we're trying to avoid if ( !IsVirtual() && (command != wxEVT_COMMAND_LIST_DELETE_ITEM) ) { if ( line != (size_t)-1 ) { GetLine(line)->GetItem( 0, le.m_item ); } //else: this happens for wxEVT_COMMAND_LIST_ITEM_FOCUSED event } //else: there may be no more such item GetParent()->GetEventHandler()->ProcessEvent( le ); } void wxListMainWindow::ChangeCurrent(size_t current) { m_current = current; SendNotify(current, wxEVT_COMMAND_LIST_ITEM_FOCUSED); } void wxListMainWindow::EditLabel( long item ) { wxCHECK_RET( (item >= 0) && ((size_t)item < GetItemCount()), wxT("wrong index in wxGenericListCtrl::EditLabel()") ); size_t itemEdit = (size_t)item; wxListEvent le( wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT, GetParent()->GetId() ); le.SetEventObject( GetParent() ); le.m_itemIndex = item; wxListLineData *data = GetLine(itemEdit); wxCHECK_RET( data, _T("invalid index in EditLabel()") ); data->GetItem( 0, le.m_item ); if ( GetParent()->GetEventHandler()->ProcessEvent( le ) && !le.IsAllowed() ) { // vetoed by user code return; } // We have to call this here because the label in question might just have // been added and no screen update taken place. if ( m_dirty ) wxSafeYield(); wxListTextCtrl *text = new wxListTextCtrl(this, itemEdit); text->SetFocus(); } void wxListMainWindow::OnRenameTimer() { wxCHECK_RET( HasCurrent(), wxT("unexpected rename timer") ); EditLabel( m_current ); } bool wxListMainWindow::OnRenameAccept(size_t itemEdit, const wxString& value) { wxListEvent le( wxEVT_COMMAND_LIST_END_LABEL_EDIT, GetParent()->GetId() ); le.SetEventObject( GetParent() ); le.m_itemIndex = itemEdit; wxListLineData *data = GetLine(itemEdit); wxCHECK_MSG( data, FALSE, _T("invalid index in OnRenameAccept()") ); data->GetItem( 0, le.m_item ); le.m_item.m_text = value; return !GetParent()->GetEventHandler()->ProcessEvent( le ) || le.IsAllowed(); } #ifdef __VMS__ // Ignore unreacheable code # pragma message disable initnotreach #endif void wxListMainWindow::OnRenameCancelled(size_t itemEdit) { // wxMSW seems not to notify the program about // cancelled label edits. return; // let owner know that the edit was cancelled wxListEvent le( wxEVT_COMMAND_LIST_END_LABEL_EDIT, GetParent()->GetId() ); // These only exist for wxTreeCtrl, which should probably be changed // le.m_editCancelled = TRUE; // le.m_label = wxEmptyString; le.SetEventObject( GetParent() ); le.m_itemIndex = itemEdit; wxListLineData *data = GetLine(itemEdit); wxCHECK_RET( data, _T("invalid index in OnRenameCancelled()") ); data->GetItem( 0, le.m_item ); GetEventHandler()->ProcessEvent( le ); } #ifdef __VMS__ # pragma message enable initnotreach #endif void wxListMainWindow::OnMouse( wxMouseEvent &event ) { event.SetEventObject( GetParent() ); if ( GetParent()->GetEventHandler()->ProcessEvent( event) ) return; if ( !HasCurrent() || IsEmpty() ) return; if (m_dirty) return; if ( !(event.Dragging() || event.ButtonDown() || event.LeftUp() || event.ButtonDClick()) ) return; int x = event.GetX(); int y = event.GetY(); CalcUnscrolledPosition( x, y, &x, &y ); // where did we hit it (if we did)? long hitResult = 0; size_t count = GetItemCount(), current; if ( HasFlag(wxLC_REPORT) ) { current = y / GetLineHeight(); if ( current < count ) hitResult = HitTestLine(current, x, y); } else // !report { // TODO: optimize it too! this is less simple than for report view but // enumerating all items is still not a way to do it!! for ( current = 0; current < count; current++ ) { hitResult = HitTestLine(current, x, y); if ( hitResult ) break; } } if (event.Dragging()) { if (m_dragCount == 0) { // we have to report the raw, physical coords as we want to be // able to call HitTest(event.m_pointDrag) from the user code to // get the item being dragged m_dragStart = event.GetPosition(); } m_dragCount++; if (m_dragCount != 3) return; int command = event.RightIsDown() ? wxEVT_COMMAND_LIST_BEGIN_RDRAG : wxEVT_COMMAND_LIST_BEGIN_DRAG; wxListEvent le( command, GetParent()->GetId() ); le.SetEventObject( GetParent() ); le.m_itemIndex = current; le.m_pointDrag = m_dragStart; GetParent()->GetEventHandler()->ProcessEvent( le ); return; } else { m_dragCount = 0; } if ( !hitResult ) { // outside of any item return; } bool forceClick = FALSE; if (event.ButtonDClick()) { m_renameTimer->Stop(); m_lastOnSame = FALSE; if ( current == m_lineLastClicked ) { SendNotify( current, wxEVT_COMMAND_LIST_ITEM_ACTIVATED ); return; } else { // the first click was on another item, so don't interpret this as // a double click, but as a simple click instead forceClick = TRUE; } } if (event.LeftUp() && m_lastOnSame) { if ((current == m_current) && (hitResult == wxLIST_HITTEST_ONITEMLABEL) && HasFlag(wxLC_EDIT_LABELS) ) { m_renameTimer->Start( 100, TRUE ); } m_lastOnSame = FALSE; } else if (event.RightDown()) { SendNotify( current, wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK, event.GetPosition() ); } else if (event.MiddleDown()) { SendNotify( current, wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK ); } else if ( event.LeftDown() || forceClick ) { m_lineBeforeLastClicked = m_lineLastClicked; m_lineLastClicked = current; size_t oldCurrent = m_current; if ( IsSingleSel() || !(event.ControlDown() || event.ShiftDown()) ) { HighlightAll( FALSE ); ChangeCurrent(current); ReverseHighlight(m_current); } else // multi sel & either ctrl or shift is down { if (event.ControlDown()) { ChangeCurrent(current); ReverseHighlight(m_current); } else if (event.ShiftDown()) { ChangeCurrent(current); size_t lineFrom = oldCurrent, lineTo = current; if ( lineTo < lineFrom ) { lineTo = lineFrom; lineFrom = m_current; } HighlightLines(lineFrom, lineTo); } else // !ctrl, !shift { // test in the enclosing if should make it impossible wxFAIL_MSG( _T("how did we get here?") ); } } if (m_current != oldCurrent) { RefreshLine( oldCurrent ); } // forceClick is only set if the previous click was on another item m_lastOnSame = !forceClick && (m_current == oldCurrent); } } void wxListMainWindow::MoveToItem(size_t item) { if ( item == (size_t)-1 ) return; wxRect rect = GetLineRect(item); int client_w, client_h; GetClientSize( &client_w, &client_h ); int view_x = SCROLL_UNIT_X*GetScrollPos( wxHORIZONTAL ); int view_y = SCROLL_UNIT_Y*GetScrollPos( wxVERTICAL ); if ( HasFlag(wxLC_REPORT) ) { // the next we need the range of lines shown it might be different, so // recalculate it ResetVisibleLinesRange(); if (rect.y < view_y ) Scroll( -1, rect.y/SCROLL_UNIT_Y ); if (rect.y+rect.height+5 > view_y+client_h) Scroll( -1, (rect.y+rect.height-client_h+SCROLL_UNIT_Y)/SCROLL_UNIT_Y ); } else // !report { if (rect.x-view_x < 5) Scroll( (rect.x-5)/SCROLL_UNIT_X, -1 ); if (rect.x+rect.width-5 > view_x+client_w) Scroll( (rect.x+rect.width-client_w+SCROLL_UNIT_X)/SCROLL_UNIT_X, -1 ); } } // ---------------------------------------------------------------------------- // keyboard handling // ---------------------------------------------------------------------------- void wxListMainWindow::OnArrowChar(size_t newCurrent, const wxKeyEvent& event) { wxCHECK_RET( newCurrent < (size_t)GetItemCount(), _T("invalid item index in OnArrowChar()") ); size_t oldCurrent = m_current; // in single selection we just ignore Shift as we can't select several // items anyhow if ( event.ShiftDown() && !IsSingleSel() ) { ChangeCurrent(newCurrent); // select all the items between the old and the new one if ( oldCurrent > newCurrent ) { newCurrent = oldCurrent; oldCurrent = m_current; } HighlightLines(oldCurrent, newCurrent); } else // !shift { // all previously selected items are unselected unless ctrl is held if ( !event.ControlDown() ) HighlightAll(FALSE); ChangeCurrent(newCurrent); // refresh the old focus to remove it RefreshLine( oldCurrent ); if ( !event.ControlDown() ) { HighlightLine( m_current, TRUE ); } } RefreshLine( m_current ); MoveToFocus(); } void wxListMainWindow::OnKeyDown( wxKeyEvent &event ) { wxWindow *parent = GetParent(); /* we propagate the key event up */ wxKeyEvent ke( wxEVT_KEY_DOWN ); ke.m_shiftDown = event.m_shiftDown; ke.m_controlDown = event.m_controlDown; ke.m_altDown = event.m_altDown; ke.m_metaDown = event.m_metaDown; ke.m_keyCode = event.m_keyCode; ke.m_x = event.m_x; ke.m_y = event.m_y; ke.SetEventObject( parent ); if (parent->GetEventHandler()->ProcessEvent( ke )) return; event.Skip(); } void wxListMainWindow::OnChar( wxKeyEvent &event ) { wxWindow *parent = GetParent(); /* we send a list_key event up */ if ( HasCurrent() ) { wxListEvent le( wxEVT_COMMAND_LIST_KEY_DOWN, GetParent()->GetId() ); le.m_itemIndex = m_current; GetLine(m_current)->GetItem( 0, le.m_item ); le.m_code = event.GetKeyCode(); le.SetEventObject( parent ); parent->GetEventHandler()->ProcessEvent( le ); } /* we propagate the char event up */ wxKeyEvent ke( wxEVT_CHAR ); ke.m_shiftDown = event.m_shiftDown; ke.m_controlDown = event.m_controlDown; ke.m_altDown = event.m_altDown; ke.m_metaDown = event.m_metaDown; ke.m_keyCode = event.m_keyCode; ke.m_x = event.m_x; ke.m_y = event.m_y; ke.SetEventObject( parent ); if (parent->GetEventHandler()->ProcessEvent( ke )) return; if (event.GetKeyCode() == WXK_TAB) { wxNavigationKeyEvent nevent; nevent.SetWindowChange( event.ControlDown() ); nevent.SetDirection( !event.ShiftDown() ); nevent.SetEventObject( GetParent()->GetParent() ); nevent.SetCurrentFocus( m_parent ); if (GetParent()->GetParent()->GetEventHandler()->ProcessEvent( nevent )) return; } /* no item -> nothing to do */ if (!HasCurrent()) { event.Skip(); return; } switch (event.GetKeyCode()) { case WXK_UP: if ( m_current > 0 ) OnArrowChar( m_current - 1, event ); break; case WXK_DOWN: if ( m_current < (size_t)GetItemCount() - 1 ) OnArrowChar( m_current + 1, event ); break; case WXK_END: if (!IsEmpty()) OnArrowChar( GetItemCount() - 1, event ); break; case WXK_HOME: if (!IsEmpty()) OnArrowChar( 0, event ); break; case WXK_PRIOR: { int steps = 0; if ( HasFlag(wxLC_REPORT) ) { steps = m_linesPerPage - 1; } else { steps = m_current % m_linesPerPage; } int index = m_current - steps; if (index < 0) index = 0; OnArrowChar( index, event ); } break; case WXK_NEXT: { int steps = 0; if ( HasFlag(wxLC_REPORT) ) { steps = m_linesPerPage - 1; } else { steps = m_linesPerPage - (m_current % m_linesPerPage) - 1; } size_t index = m_current + steps; size_t count = GetItemCount(); if ( index >= count ) index = count - 1; OnArrowChar( index, event ); } break; case WXK_LEFT: if ( !HasFlag(wxLC_REPORT) ) { int index = m_current - m_linesPerPage; if (index < 0) index = 0; OnArrowChar( index, event ); } break; case WXK_RIGHT: if ( !HasFlag(wxLC_REPORT) ) { size_t index = m_current + m_linesPerPage; size_t count = GetItemCount(); if ( index >= count ) index = count - 1; OnArrowChar( index, event ); } break; case WXK_SPACE: if ( IsSingleSel() ) { SendNotify( m_current, wxEVT_COMMAND_LIST_ITEM_ACTIVATED ); if ( IsHighlighted(m_current) ) { // don't unselect the item in single selection mode break; } //else: select it in ReverseHighlight() below if unselected } ReverseHighlight(m_current); break; case WXK_RETURN: case WXK_EXECUTE: SendNotify( m_current, wxEVT_COMMAND_LIST_ITEM_ACTIVATED ); break; default: event.Skip(); } } // ---------------------------------------------------------------------------- // focus handling // ---------------------------------------------------------------------------- void wxListMainWindow::SetFocus() { // VS: wxListMainWindow derives from wxPanel (via wxScrolledWindow) and wxPanel // overrides SetFocus in such way that it does never change focus from // panel's child to the panel itself. Unfortunately, we must be able to change // focus to the panel from wxListTextCtrl because the text control should // disappear when the user clicks outside it. wxWindow *oldFocus = FindFocus(); if ( oldFocus && oldFocus->GetParent() == this ) { wxWindow::SetFocus(); } else { wxScrolledWindow::SetFocus(); } } void wxListMainWindow::OnSetFocus( wxFocusEvent &WXUNUSED(event) ) { // wxGTK sends us EVT_SET_FOCUS events even if we had never got // EVT_KILL_FOCUS before which means that we finish by redrawing the items // which are already drawn correctly resulting in horrible flicker - avoid // it if ( !m_hasFocus ) { m_hasFocus = TRUE; RefreshSelected(); } if ( !GetParent() ) return; wxFocusEvent event( wxEVT_SET_FOCUS, GetParent()->GetId() ); event.SetEventObject( GetParent() ); GetParent()->GetEventHandler()->ProcessEvent( event ); } void wxListMainWindow::OnKillFocus( wxFocusEvent &WXUNUSED(event) ) { m_hasFocus = FALSE; RefreshSelected(); } void wxListMainWindow::DrawImage( int index, wxDC *dc, int x, int y ) { if ( HasFlag(wxLC_ICON) && (m_normal_image_list)) { m_normal_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT ); } else if ( HasFlag(wxLC_SMALL_ICON) && (m_small_image_list)) { m_small_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT ); } else if ( HasFlag(wxLC_LIST) && (m_small_image_list)) { m_small_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT ); } else if ( HasFlag(wxLC_REPORT) && (m_small_image_list)) { m_small_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT ); } } void wxListMainWindow::GetImageSize( int index, int &width, int &height ) const { if ( HasFlag(wxLC_ICON) && m_normal_image_list ) { m_normal_image_list->GetSize( index, width, height ); } else if ( HasFlag(wxLC_SMALL_ICON) && m_small_image_list ) { m_small_image_list->GetSize( index, width, height ); } else if ( HasFlag(wxLC_LIST) && m_small_image_list ) { m_small_image_list->GetSize( index, width, height ); } else if ( HasFlag(wxLC_REPORT) && m_small_image_list ) { m_small_image_list->GetSize( index, width, height ); } else { width = height = 0; } } int wxListMainWindow::GetTextLength( const wxString &s ) const { wxClientDC dc( wxConstCast(this, wxListMainWindow) ); dc.SetFont( GetFont() ); wxCoord lw; dc.GetTextExtent( s, &lw, NULL ); return lw + AUTOSIZE_COL_MARGIN; } void wxListMainWindow::SetImageList( wxImageListType *imageList, int which ) { m_dirty = TRUE; // calc the spacing from the icon size int width = 0, height = 0; if ((imageList) && (imageList->GetImageCount()) ) { imageList->GetSize(0, width, height); } if (which == wxIMAGE_LIST_NORMAL) { m_normal_image_list = imageList; m_normal_spacing = width + 8; } if (which == wxIMAGE_LIST_SMALL) { m_small_image_list = imageList; m_small_spacing = width + 14; m_lineHeight = 0; // ensure that the line height will be recalc'd } } void wxListMainWindow::SetItemSpacing( int spacing, bool isSmall ) { m_dirty = TRUE; if (isSmall) { m_small_spacing = spacing; } else { m_normal_spacing = spacing; } } int wxListMainWindow::GetItemSpacing( bool isSmall ) { return isSmall ? m_small_spacing : m_normal_spacing; } // ---------------------------------------------------------------------------- // columns // ---------------------------------------------------------------------------- void wxListMainWindow::SetColumn( int col, wxListItem &item ) { wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col ); wxCHECK_RET( node, _T("invalid column index in SetColumn") ); if ( item.m_width == wxLIST_AUTOSIZE_USEHEADER ) item.m_width = GetTextLength( item.m_text ); wxListHeaderData *column = node->GetData(); column->SetItem( item ); wxListHeaderWindow *headerWin = GetListCtrl()->m_headerWin; if ( headerWin ) headerWin->m_dirty = TRUE; m_dirty = TRUE; // invalidate it as it has to be recalculated m_headerWidth = 0; } void wxListMainWindow::SetColumnWidth( int col, int width ) { wxCHECK_RET( col >= 0 && col < GetColumnCount(), _T("invalid column index") ); wxCHECK_RET( HasFlag(wxLC_REPORT), _T("SetColumnWidth() can only be called in report mode.") ); m_dirty = TRUE; wxListHeaderWindow *headerWin = GetListCtrl()->m_headerWin; if ( headerWin ) headerWin->m_dirty = TRUE; wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col ); wxCHECK_RET( node, _T("no column?") ); wxListHeaderData *column = node->GetData(); size_t count = GetItemCount(); if (width == wxLIST_AUTOSIZE_USEHEADER) { width = GetTextLength(column->GetText()); } else if ( width == wxLIST_AUTOSIZE ) { if ( IsVirtual() ) { // TODO: determine the max width somehow... width = WIDTH_COL_DEFAULT; } else // !virtual { wxClientDC dc(this); dc.SetFont( GetFont() ); int max = AUTOSIZE_COL_MARGIN; for ( size_t i = 0; i < count; i++ ) { wxListLineData *line = GetLine(i); wxListItemDataList::compatibility_iterator n = line->m_items.Item( col ); wxCHECK_RET( n, _T("no subitem?") ); wxListItemData *item = n->GetData(); int current = 0; if (item->HasImage()) { int ix, iy; GetImageSize( item->GetImage(), ix, iy ); current += ix + 5; } if (item->HasText()) { wxCoord w; dc.GetTextExtent( item->GetText(), &w, NULL ); current += w; } if (current > max) max = current; } width = max + AUTOSIZE_COL_MARGIN; } } column->SetWidth( width ); // invalidate it as it has to be recalculated m_headerWidth = 0; } int wxListMainWindow::GetHeaderWidth() const { if ( !m_headerWidth ) { wxListMainWindow *self = wxConstCast(this, wxListMainWindow); size_t count = GetColumnCount(); for ( size_t col = 0; col < count; col++ ) { self->m_headerWidth += GetColumnWidth(col); } } return m_headerWidth; } void wxListMainWindow::GetColumn( int col, wxListItem &item ) const { wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col ); wxCHECK_RET( node, _T("invalid column index in GetColumn") ); wxListHeaderData *column = node->GetData(); column->GetItem( item ); } int wxListMainWindow::GetColumnWidth( int col ) const { wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col ); wxCHECK_MSG( node, 0, _T("invalid column index") ); wxListHeaderData *column = node->GetData(); return column->GetWidth(); } // ---------------------------------------------------------------------------- // item state // ---------------------------------------------------------------------------- void wxListMainWindow::SetItem( wxListItem &item ) { long id = item.m_itemId; wxCHECK_RET( id >= 0 && (size_t)id < GetItemCount(), _T("invalid item index in SetItem") ); if ( !IsVirtual() ) { wxListLineData *line = GetLine((size_t)id); line->SetItem( item.m_col, item ); } // update the item on screen wxRect rectItem; GetItemRect(id, rectItem); RefreshRect(rectItem); } void wxListMainWindow::SetItemState( long litem, long state, long stateMask ) { wxCHECK_RET( litem >= 0 && (size_t)litem < GetItemCount(), _T("invalid list ctrl item index in SetItem") ); size_t oldCurrent = m_current; size_t item = (size_t)litem; // safe because of the check above // do we need to change the focus? if ( stateMask & wxLIST_STATE_FOCUSED ) { if ( state & wxLIST_STATE_FOCUSED ) { // don't do anything if this item is already focused if ( item != m_current ) { ChangeCurrent(item); if ( oldCurrent != (size_t)-1 ) { if ( IsSingleSel() ) { HighlightLine(oldCurrent, FALSE); } RefreshLine(oldCurrent); } RefreshLine( m_current ); } } else // unfocus { // don't do anything if this item is not focused if ( item == m_current ) { ResetCurrent(); if ( IsSingleSel() ) { // we must unselect the old current item as well or we // might end up with more than one selected item in a // single selection control HighlightLine(oldCurrent, FALSE); } RefreshLine( oldCurrent ); } } } // do we need to change the selection state? if ( stateMask & wxLIST_STATE_SELECTED ) { bool on = (state & wxLIST_STATE_SELECTED) != 0; if ( IsSingleSel() ) { if ( on ) { // selecting the item also makes it the focused one in the // single sel mode if ( m_current != item ) { ChangeCurrent(item); if ( oldCurrent != (size_t)-1 ) { HighlightLine( oldCurrent, FALSE ); RefreshLine( oldCurrent ); } } } else // off { // only the current item may be selected anyhow if ( item != m_current ) return; } } if ( HighlightLine(item, on) ) { RefreshLine(item); } } } int wxListMainWindow::GetItemState( long item, long stateMask ) const { wxCHECK_MSG( item >= 0 && (size_t)item < GetItemCount(), 0, _T("invalid list ctrl item index in GetItemState()") ); int ret = wxLIST_STATE_DONTCARE; if ( stateMask & wxLIST_STATE_FOCUSED ) { if ( (size_t)item == m_current ) ret |= wxLIST_STATE_FOCUSED; } if ( stateMask & wxLIST_STATE_SELECTED ) { if ( IsHighlighted(item) ) ret |= wxLIST_STATE_SELECTED; } return ret; } void wxListMainWindow::GetItem( wxListItem &item ) const { wxCHECK_RET( item.m_itemId >= 0 && (size_t)item.m_itemId < GetItemCount(), _T("invalid item index in GetItem") ); wxListLineData *line = GetLine((size_t)item.m_itemId); line->GetItem( item.m_col, item ); } // ---------------------------------------------------------------------------- // item count // ---------------------------------------------------------------------------- size_t wxListMainWindow::GetItemCount() const { return IsVirtual() ? m_countVirt : m_lines.GetCount(); } void wxListMainWindow::SetItemCount(long count) { m_selStore.SetItemCount(count); m_countVirt = count; ResetVisibleLinesRange(); // scrollbars must be reset m_dirty = TRUE; } int wxListMainWindow::GetSelectedItemCount() const { // deal with the quick case first if ( IsSingleSel() ) { return HasCurrent() ? IsHighlighted(m_current) : FALSE; } // virtual controls remmebers all its selections itself if ( IsVirtual() ) return m_selStore.GetSelectedCount(); // TODO: we probably should maintain the number of items selected even for // non virtual controls as enumerating all lines is really slow... size_t countSel = 0; size_t count = GetItemCount(); for ( size_t line = 0; line < count; line++ ) { if ( GetLine(line)->IsHighlighted() ) countSel++; } return countSel; } // ---------------------------------------------------------------------------- // item position/size // ---------------------------------------------------------------------------- wxRect wxListMainWindow::GetViewRect() const { wxASSERT_MSG( !HasFlag(wxLC_REPORT | wxLC_LIST), _T("wxListCtrl::GetViewRect() only works in icon mode") ); // we need to find the longest/tallest label wxCoord xMax = 0, yMax = 0; const int count = GetItemCount(); if ( count ) { for ( int i = 0; i < count; i++ ) { wxRect r; GetItemRect(i, r); wxCoord x = r.GetRight(), y = r.GetBottom(); if ( x > xMax ) xMax = x; if ( y > yMax ) yMax = y; } } // some fudge needed to make it look prettier xMax += 2*EXTRA_BORDER_X; yMax += 2*EXTRA_BORDER_Y; // account for the scrollbars if necessary const wxSize sizeAll = GetClientSize(); if ( xMax > sizeAll.x ) yMax += wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y); if ( yMax > sizeAll.y ) xMax += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X); return wxRect(0, 0, xMax, yMax); } void wxListMainWindow::GetItemRect( long index, wxRect &rect ) const { wxCHECK_RET( index >= 0 && (size_t)index < GetItemCount(), _T("invalid index in GetItemRect") ); // ensure that we're laid out, otherwise we could return nonsense if ( m_dirty ) { wxConstCast(this, wxListMainWindow)-> RecalculatePositions(TRUE /* no refresh */); } rect = GetLineRect((size_t)index); CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y); } bool wxListMainWindow::GetItemPosition(long item, wxPoint& pos) const { wxRect rect; GetItemRect(item, rect); pos.x = rect.x; pos.y = rect.y; return TRUE; } // ---------------------------------------------------------------------------- // geometry calculation // ---------------------------------------------------------------------------- void wxListMainWindow::RecalculatePositions(bool noRefresh) { wxClientDC dc( this ); dc.SetFont( GetFont() ); const size_t count = GetItemCount(); int iconSpacing; if ( HasFlag(wxLC_ICON) ) iconSpacing = m_normal_spacing; else if ( HasFlag(wxLC_SMALL_ICON) ) iconSpacing = m_small_spacing; else iconSpacing = 0; // Note that we do not call GetClientSize() here but // GetSize() and substract the border size for sunken // borders manually. This is technically incorrect, // but we need to know the client area's size WITHOUT // scrollbars here. Since we don't know if there are // any scrollbars, we use GetSize() instead. Another // solution would be to call SetScrollbars() here to // remove the scrollbars and call GetClientSize() then, // but this might result in flicker and - worse - will // reset the scrollbars to 0 which is not good at all // if you resize a dialog/window, but don't want to // reset the window scrolling. RR. // Furthermore, we actually do NOT subtract the border // width as 2 pixels is just the extra space which we // need around the actual content in the window. Other- // wise the text would e.g. touch the upper border. RR. int clientWidth, clientHeight; GetSize( &clientWidth, &clientHeight ); if ( HasFlag(wxLC_REPORT) ) { // all lines have the same height and we scroll one line per step int lineHeight = GetLineHeight(); int entireHeight = count*lineHeight + LINE_SPACING; m_linesPerPage = clientHeight / lineHeight; ResetVisibleLinesRange(); SetScrollbars( SCROLL_UNIT_X, lineHeight, GetHeaderWidth() / SCROLL_UNIT_X, (entireHeight + lineHeight - 1) / lineHeight, GetScrollPos(wxHORIZONTAL), GetScrollPos(wxVERTICAL), TRUE ); } else // !report { // we have 3 different layout strategies: either layout all items // horizontally/vertically (wxLC_ALIGN_XXX styles explicitly given) or // to arrange them in top to bottom, left to right (don't ask me why // not the other way round...) order if ( HasFlag(wxLC_ALIGN_LEFT | wxLC_ALIGN_TOP) ) { int x = EXTRA_BORDER_X; int y = EXTRA_BORDER_Y; wxCoord widthMax = 0; size_t i; for ( i = 0; i < count; i++ ) { wxListLineData *line = GetLine(i); line->CalculateSize( &dc, iconSpacing ); line->SetPosition( x, y, iconSpacing ); wxSize sizeLine = GetLineSize(i); if ( HasFlag(wxLC_ALIGN_TOP) ) { if ( sizeLine.x > widthMax ) widthMax = sizeLine.x; y += sizeLine.y; } else // wxLC_ALIGN_LEFT { x += sizeLine.x + MARGIN_BETWEEN_ROWS; } } if ( HasFlag(wxLC_ALIGN_TOP) ) { // traverse the items again and tweak their sizes so that they are // all the same in a row for ( i = 0; i < count; i++ ) { wxListLineData *line = GetLine(i); line->m_gi->ExtendWidth(widthMax); } } SetScrollbars ( SCROLL_UNIT_X, SCROLL_UNIT_Y, (x + SCROLL_UNIT_X) / SCROLL_UNIT_X, (y + SCROLL_UNIT_Y) / SCROLL_UNIT_Y, GetScrollPos( wxHORIZONTAL ), GetScrollPos( wxVERTICAL ), TRUE ); } else // "flowed" arrangement, the most complicated case { // at first we try without any scrollbars, if the items don't fit into // the window, we recalculate after subtracting the space taken by the // scrollbar int entireWidth = 0, entireHeight = 0; for (int tries = 0; tries < 2; tries++) { entireWidth = 2*EXTRA_BORDER_X; entireHeight = 2*EXTRA_BORDER_Y; if (tries == 1) { // Now we have decided that the items do not fit into the // client area, so we need a scrollbar entireWidth += SCROLL_UNIT_X; } int x = EXTRA_BORDER_X; int y = EXTRA_BORDER_Y; int maxWidthInThisRow = 0; m_linesPerPage = 0; int currentlyVisibleLines = 0; for (size_t i = 0; i < count; i++) { currentlyVisibleLines++; wxListLineData *line = GetLine(i); line->CalculateSize( &dc, iconSpacing ); line->SetPosition( x, y, iconSpacing ); wxSize sizeLine = GetLineSize(i); if ( maxWidthInThisRow < sizeLine.x ) maxWidthInThisRow = sizeLine.x; y += sizeLine.y; if (currentlyVisibleLines > m_linesPerPage) m_linesPerPage = currentlyVisibleLines; if ( y + sizeLine.y >= clientHeight ) { currentlyVisibleLines = 0; y = EXTRA_BORDER_Y; maxWidthInThisRow += MARGIN_BETWEEN_ROWS; x += maxWidthInThisRow; entireWidth += maxWidthInThisRow; maxWidthInThisRow = 0; } // We have reached the last item. if ( i == count - 1 ) entireWidth += maxWidthInThisRow; if ( (tries == 0) && (entireWidth + SCROLL_UNIT_X > clientWidth) ) { clientHeight -= wxSystemSettings:: GetMetric(wxSYS_HSCROLL_Y); m_linesPerPage = 0; currentlyVisibleLines = 0; break; } if ( i == count - 1 ) tries = 1; // Everything fits, no second try required. } } SetScrollbars ( SCROLL_UNIT_X, SCROLL_UNIT_Y, (entireWidth + SCROLL_UNIT_X) / SCROLL_UNIT_X, 0, GetScrollPos( wxHORIZONTAL ), 0, TRUE ); } } if ( !noRefresh ) { // FIXME: why should we call it from here? UpdateCurrent(); RefreshAll(); } } void wxListMainWindow::RefreshAll() { m_dirty = FALSE; Refresh(); wxListHeaderWindow *headerWin = GetListCtrl()->m_headerWin; if ( headerWin && headerWin->m_dirty ) { headerWin->m_dirty = FALSE; headerWin->Refresh(); } } void wxListMainWindow::UpdateCurrent() { if ( !HasCurrent() && !IsEmpty() ) { ChangeCurrent(0); } } long wxListMainWindow::GetNextItem( long item, int WXUNUSED(geometry), int state ) const { long ret = item, max = GetItemCount(); wxCHECK_MSG( (ret == -1) || (ret < max), -1, _T("invalid listctrl index in GetNextItem()") ); // notice that we start with the next item (or the first one if item == -1) // and this is intentional to allow writing a simple loop to iterate over // all selected items ret++; if ( ret == max ) { // this is not an error because the index was ok initially, just no // such item return -1; } if ( !state ) { // any will do return (size_t)ret; } size_t count = GetItemCount(); for ( size_t line = (size_t)ret; line < count; line++ ) { if ( (state & wxLIST_STATE_FOCUSED) && (line == m_current) ) return line; if ( (state & wxLIST_STATE_SELECTED) && IsHighlighted(line) ) return line; } return -1; } // ---------------------------------------------------------------------------- // deleting stuff // ---------------------------------------------------------------------------- void wxListMainWindow::DeleteItem( long lindex ) { size_t count = GetItemCount(); wxCHECK_RET( (lindex >= 0) && ((size_t)lindex < count), _T("invalid item index in DeleteItem") ); size_t index = (size_t)lindex; // we don't need to adjust the index for the previous items if ( HasCurrent() && m_current >= index ) { // if the current item is being deleted, we want the next one to // become selected - unless there is no next one - so don't adjust // m_current in this case if ( m_current != index || m_current == count - 1 ) { m_current--; } } if ( InReportView() ) { ResetVisibleLinesRange(); } if ( IsVirtual() ) { m_countVirt--; m_selStore.OnItemDelete(index); } else { m_lines.RemoveAt( index ); } // we need to refresh the (vert) scrollbar as the number of items changed m_dirty = TRUE; SendNotify( index, wxEVT_COMMAND_LIST_DELETE_ITEM ); RefreshAfter(index); } void wxListMainWindow::DeleteColumn( int col ) { wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col ); wxCHECK_RET( node, wxT("invalid column index in DeleteColumn()") ); m_dirty = TRUE; delete node->GetData(); m_columns.Erase( node ); if ( !IsVirtual() ) { // update all the items for ( size_t i = 0; i < m_lines.GetCount(); i++ ) { wxListLineData * const line = GetLine(i); wxListItemDataList::compatibility_iterator n = line->m_items.Item( col ); delete n->GetData(); line->m_items.Erase(n); } } // invalidate it as it has to be recalculated m_headerWidth = 0; } void wxListMainWindow::DoDeleteAllItems() { if ( IsEmpty() ) { // nothing to do - in particular, don't send the event return; } ResetCurrent(); // to make the deletion of all items faster, we don't send the // notifications for each item deletion in this case but only one event // for all of them: this is compatible with wxMSW and documented in // DeleteAllItems() description wxListEvent event( wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS, GetParent()->GetId() ); event.SetEventObject( GetParent() ); GetParent()->GetEventHandler()->ProcessEvent( event ); if ( IsVirtual() ) { m_countVirt = 0; m_selStore.Clear(); } if ( InReportView() ) { ResetVisibleLinesRange(); } m_lines.Clear(); } void wxListMainWindow::DeleteAllItems() { DoDeleteAllItems(); RecalculatePositions(); } void wxListMainWindow::DeleteEverything() { WX_CLEAR_LIST(wxListHeaderDataList, m_columns); DeleteAllItems(); } // ---------------------------------------------------------------------------- // scanning for an item // ---------------------------------------------------------------------------- void wxListMainWindow::EnsureVisible( long index ) { wxCHECK_RET( index >= 0 && (size_t)index < GetItemCount(), _T("invalid index in EnsureVisible") ); // We have to call this here because the label in question might just have // been added and its position is not known yet if ( m_dirty ) { RecalculatePositions(TRUE /* no refresh */); } MoveToItem((size_t)index); } long wxListMainWindow::FindItem(long start, const wxString& str, bool WXUNUSED(partial) ) { long pos = start; wxString tmp = str; if (pos < 0) pos = 0; size_t count = GetItemCount(); for ( size_t i = (size_t)pos; i < count; i++ ) { wxListLineData *line = GetLine(i); if ( line->GetText(0) == tmp ) return i; } return wxNOT_FOUND; } long wxListMainWindow::FindItem(long start, long data) { long pos = start; if (pos < 0) pos = 0; size_t count = GetItemCount(); for (size_t i = (size_t)pos; i < count; i++) { wxListLineData *line = GetLine(i); wxListItem item; line->GetItem( 0, item ); if (item.m_data == data) return i; } return wxNOT_FOUND; } long wxListMainWindow::HitTest( int x, int y, int &flags ) { CalcUnscrolledPosition( x, y, &x, &y ); size_t count = GetItemCount(); if ( HasFlag(wxLC_REPORT) ) { size_t current = y / GetLineHeight(); if ( current < count ) { flags = HitTestLine(current, x, y); if ( flags ) return current; } } else // !report { // TODO: optimize it too! this is less simple than for report view but // enumerating all items is still not a way to do it!! for ( size_t current = 0; current < count; current++ ) { flags = HitTestLine(current, x, y); if ( flags ) return current; } } return wxNOT_FOUND; } // ---------------------------------------------------------------------------- // adding stuff // ---------------------------------------------------------------------------- void wxListMainWindow::InsertItem( wxListItem &item ) { wxASSERT_MSG( !IsVirtual(), _T("can't be used with virtual control") ); size_t count = GetItemCount(); wxCHECK_RET( item.m_itemId >= 0 && (size_t)item.m_itemId <= count, _T("invalid item index") ); size_t id = item.m_itemId; m_dirty = TRUE; int mode = 0; if ( HasFlag(wxLC_REPORT) ) { mode = wxLC_REPORT; ResetVisibleLinesRange(); } else if ( HasFlag(wxLC_LIST) ) mode = wxLC_LIST; else if ( HasFlag(wxLC_ICON) ) mode = wxLC_ICON; else if ( HasFlag(wxLC_SMALL_ICON) ) mode = wxLC_ICON; // no typo else { wxFAIL_MSG( _T("unknown mode") ); } wxListLineData *line = new wxListLineData(this); line->SetItem( 0, item ); m_lines.Insert( line, id ); m_dirty = TRUE; SendNotify(id, wxEVT_COMMAND_LIST_INSERT_ITEM); RefreshLines(id, GetItemCount() - 1); } void wxListMainWindow::InsertColumn( long col, wxListItem &item ) { m_dirty = TRUE; if ( HasFlag(wxLC_REPORT) ) { if (item.m_width == wxLIST_AUTOSIZE_USEHEADER) item.m_width = GetTextLength( item.m_text ); wxListHeaderData *column = new wxListHeaderData( item ); bool insert = (col >= 0) && ((size_t)col < m_columns.GetCount()); if ( insert ) { wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col ); m_columns.Insert( node, column ); } else { m_columns.Append( column ); } if ( !IsVirtual() ) { // update all the items for ( size_t i = 0; i < m_lines.GetCount(); i++ ) { wxListLineData * const line = GetLine(i); wxListItemData * const data = new wxListItemData(this); if ( insert ) line->m_items.Insert(col, data); else line->m_items.Append(data); } } // invalidate it as it has to be recalculated m_headerWidth = 0; } } // ---------------------------------------------------------------------------- // sorting // ---------------------------------------------------------------------------- wxListCtrlCompare list_ctrl_compare_func_2; long list_ctrl_compare_data; int LINKAGEMODE list_ctrl_compare_func_1( wxListLineData **arg1, wxListLineData **arg2 ) { wxListLineData *line1 = *arg1; wxListLineData *line2 = *arg2; wxListItem item; line1->GetItem( 0, item ); long data1 = item.m_data; line2->GetItem( 0, item ); long data2 = item.m_data; return list_ctrl_compare_func_2( data1, data2, list_ctrl_compare_data ); } void wxListMainWindow::SortItems( wxListCtrlCompare fn, long data ) { list_ctrl_compare_func_2 = fn; list_ctrl_compare_data = data; m_lines.Sort( list_ctrl_compare_func_1 ); m_dirty = TRUE; } // ---------------------------------------------------------------------------- // scrolling // ---------------------------------------------------------------------------- void wxListMainWindow::OnScroll(wxScrollWinEvent& event) { // update our idea of which lines are shown when we redraw the window the // next time ResetVisibleLinesRange(); // FIXME #if defined(__WXGTK__) && !defined(__WXUNIVERSAL__) wxScrolledWindow::OnScroll(event); #else HandleOnScroll( event ); #endif if ( event.GetOrientation() == wxHORIZONTAL && HasHeader() ) { wxGenericListCtrl* lc = GetListCtrl(); wxCHECK_RET( lc, _T("no listctrl window?") ); lc->m_headerWin->Refresh(); lc->m_headerWin->Update(); } } int wxListMainWindow::GetCountPerPage() const { if ( !m_linesPerPage ) { wxConstCast(this, wxListMainWindow)-> m_linesPerPage = GetClientSize().y / GetLineHeight(); } return m_linesPerPage; } void wxListMainWindow::GetVisibleLinesRange(size_t *from, size_t *to) { wxASSERT_MSG( HasFlag(wxLC_REPORT), _T("this is for report mode only") ); if ( m_lineFrom == (size_t)-1 ) { size_t count = GetItemCount(); if ( count ) { m_lineFrom = GetScrollPos(wxVERTICAL); // this may happen if SetScrollbars() hadn't been called yet if ( m_lineFrom >= count ) m_lineFrom = count - 1; // we redraw one extra line but this is needed to make the redrawing // logic work when there is a fractional number of lines on screen m_lineTo = m_lineFrom + m_linesPerPage; if ( m_lineTo >= count ) m_lineTo = count - 1; } else // empty control { m_lineFrom = 0; m_lineTo = (size_t)-1; } } wxASSERT_MSG( IsEmpty() || (m_lineFrom <= m_lineTo && m_lineTo < GetItemCount()), _T("GetVisibleLinesRange() returns incorrect result") ); if ( from ) *from = m_lineFrom; if ( to ) *to = m_lineTo; } // ------------------------------------------------------------------------------------- // wxGenericListCtrl // ------------------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxGenericListCtrl, wxControl) BEGIN_EVENT_TABLE(wxGenericListCtrl,wxControl) EVT_SIZE(wxGenericListCtrl::OnSize) END_EVENT_TABLE() wxGenericListCtrl::wxGenericListCtrl() { m_imageListNormal = (wxImageListType *) NULL; m_imageListSmall = (wxImageListType *) NULL; m_imageListState = (wxImageListType *) NULL; m_ownsImageListNormal = m_ownsImageListSmall = m_ownsImageListState = FALSE; m_mainWin = (wxListMainWindow*) NULL; m_headerWin = (wxListHeaderWindow*) NULL; m_headerHeight = 0; } wxGenericListCtrl::~wxGenericListCtrl() { if (m_ownsImageListNormal) delete m_imageListNormal; if (m_ownsImageListSmall) delete m_imageListSmall; if (m_ownsImageListState) delete m_imageListState; } void wxGenericListCtrl::CalculateAndSetHeaderHeight() { if ( m_headerWin ) { // we use 'g' to get the descent, too int w, h, d; m_headerWin->GetTextExtent(wxT("Hg"), &w, &h, &d); h += d + 2 * HEADER_OFFSET_Y + EXTRA_HEIGHT; // only update if there is not enough space if ( h > m_headerHeight ) { m_headerHeight = h; m_headerWin->SetSize(m_headerWin->GetSize().x, m_headerHeight); if ( HasFlag(wxLC_REPORT) && !HasFlag(wxLC_NO_HEADER) ) ResizeReportView(TRUE); } } } void wxGenericListCtrl::CreateHeaderWindow() { m_headerWin = new wxListHeaderWindow ( this, -1, m_mainWin, wxPoint(0, 0), wxSize(GetClientSize().x, m_headerHeight), wxTAB_TRAVERSAL ); CalculateAndSetHeaderHeight(); } bool wxGenericListCtrl::Create(wxWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size, long style, const wxValidator &validator, const wxString &name) { m_imageListNormal = m_imageListSmall = m_imageListState = (wxImageListType *) NULL; m_ownsImageListNormal = m_ownsImageListSmall = m_ownsImageListState = FALSE; m_mainWin = (wxListMainWindow*) NULL; m_headerWin = (wxListHeaderWindow*) NULL; if ( !(style & wxLC_MASK_TYPE) ) { style = style | wxLC_LIST; } if ( !wxControl::Create( parent, id, pos, size, style, validator, name ) ) return FALSE; // don't create the inner window with the border style &= ~wxBORDER_MASK; m_mainWin = new wxListMainWindow( this, -1, wxPoint(0,0), size, style ); if ( HasFlag(wxLC_REPORT) ) { CreateHeaderWindow(); if ( HasFlag(wxLC_NO_HEADER) ) { // VZ: why do we create it at all then? m_headerWin->Show( FALSE ); } } return TRUE; } void wxGenericListCtrl::SetSingleStyle( long style, bool add ) { wxASSERT_MSG( !(style & wxLC_VIRTUAL), _T("wxLC_VIRTUAL can't be [un]set") ); long flag = GetWindowStyle(); if (add) { if (style & wxLC_MASK_TYPE) flag &= ~(wxLC_MASK_TYPE | wxLC_VIRTUAL); if (style & wxLC_MASK_ALIGN) flag &= ~wxLC_MASK_ALIGN; if (style & wxLC_MASK_SORT) flag &= ~wxLC_MASK_SORT; } if (add) { flag |= style; } else { flag &= ~style; } SetWindowStyleFlag( flag ); } void wxGenericListCtrl::SetWindowStyleFlag( long flag ) { if (m_mainWin) { m_mainWin->DeleteEverything(); // has the header visibility changed? bool hasHeader = HasFlag(wxLC_REPORT) && !HasFlag(wxLC_NO_HEADER), willHaveHeader = (flag & wxLC_REPORT) && !(flag & wxLC_NO_HEADER); if ( hasHeader != willHaveHeader ) { // toggle it if ( hasHeader ) { if ( m_headerWin ) { // don't delete, just hide, as we can reuse it later m_headerWin->Show(FALSE); } //else: nothing to do } else // must show header { if (!m_headerWin) { CreateHeaderWindow(); } else // already have it, just show { m_headerWin->Show( TRUE ); } } ResizeReportView(willHaveHeader); } } wxWindow::SetWindowStyleFlag( flag ); } bool wxGenericListCtrl::GetColumn(int col, wxListItem &item) const { m_mainWin->GetColumn( col, item ); return TRUE; } bool wxGenericListCtrl::SetColumn( int col, wxListItem& item ) { m_mainWin->SetColumn( col, item ); return TRUE; } int wxGenericListCtrl::GetColumnWidth( int col ) const { return m_mainWin->GetColumnWidth( col ); } bool wxGenericListCtrl::SetColumnWidth( int col, int width ) { m_mainWin->SetColumnWidth( col, width ); return TRUE; } int wxGenericListCtrl::GetCountPerPage() const { return m_mainWin->GetCountPerPage(); // different from Windows ? } bool wxGenericListCtrl::GetItem( wxListItem &info ) const { m_mainWin->GetItem( info ); return TRUE; } bool wxGenericListCtrl::SetItem( wxListItem &info ) { m_mainWin->SetItem( info ); return TRUE; } long wxGenericListCtrl::SetItem( long index, int col, const wxString& label, int imageId ) { wxListItem info; info.m_text = label; info.m_mask = wxLIST_MASK_TEXT; info.m_itemId = index; info.m_col = col; if ( imageId > -1 ) { info.m_image = imageId; info.m_mask |= wxLIST_MASK_IMAGE; }; m_mainWin->SetItem(info); return TRUE; } int wxGenericListCtrl::GetItemState( long item, long stateMask ) const { return m_mainWin->GetItemState( item, stateMask ); } bool wxGenericListCtrl::SetItemState( long item, long state, long stateMask ) { m_mainWin->SetItemState( item, state, stateMask ); return TRUE; } bool wxGenericListCtrl::SetItemImage( long item, int image, int WXUNUSED(selImage) ) { wxListItem info; info.m_image = image; info.m_mask = wxLIST_MASK_IMAGE; info.m_itemId = item; m_mainWin->SetItem( info ); return TRUE; } wxString wxGenericListCtrl::GetItemText( long item ) const { return m_mainWin->GetItemText(item); } void wxGenericListCtrl::SetItemText( long item, const wxString& str ) { m_mainWin->SetItemText(item, str); } long wxGenericListCtrl::GetItemData( long item ) const { wxListItem info; info.m_itemId = item; m_mainWin->GetItem( info ); return info.m_data; } bool wxGenericListCtrl::SetItemData( long item, long data ) { wxListItem info; info.m_mask = wxLIST_MASK_DATA; info.m_itemId = item; info.m_data = data; m_mainWin->SetItem( info ); return TRUE; } wxRect wxGenericListCtrl::GetViewRect() const { return m_mainWin->GetViewRect(); } bool wxGenericListCtrl::GetItemRect( long item, wxRect &rect, int WXUNUSED(code) ) const { m_mainWin->GetItemRect( item, rect ); if ( m_mainWin->HasHeader() ) rect.y += m_headerHeight + 1; return TRUE; } bool wxGenericListCtrl::GetItemPosition( long item, wxPoint& pos ) const { m_mainWin->GetItemPosition( item, pos ); return TRUE; } bool wxGenericListCtrl::SetItemPosition( long WXUNUSED(item), const wxPoint& WXUNUSED(pos) ) { return 0; } int wxGenericListCtrl::GetItemCount() const { return m_mainWin->GetItemCount(); } int wxGenericListCtrl::GetColumnCount() const { return m_mainWin->GetColumnCount(); } void wxGenericListCtrl::SetItemSpacing( int spacing, bool isSmall ) { m_mainWin->SetItemSpacing( spacing, isSmall ); } wxSize wxGenericListCtrl::GetItemSpacing() const { const int spacing = m_mainWin->GetItemSpacing(HasFlag(wxLC_SMALL_ICON)); return wxSize(spacing, spacing); } int wxGenericListCtrl::GetItemSpacing( bool isSmall ) const { return m_mainWin->GetItemSpacing( isSmall ); } void wxGenericListCtrl::SetItemTextColour( long item, const wxColour &col ) { wxListItem info; info.m_itemId = item; info.SetTextColour( col ); m_mainWin->SetItem( info ); } wxColour wxGenericListCtrl::GetItemTextColour( long item ) const { wxListItem info; info.m_itemId = item; m_mainWin->GetItem( info ); return info.GetTextColour(); } void wxGenericListCtrl::SetItemBackgroundColour( long item, const wxColour &col ) { wxListItem info; info.m_itemId = item; info.SetBackgroundColour( col ); m_mainWin->SetItem( info ); } wxColour wxGenericListCtrl::GetItemBackgroundColour( long item ) const { wxListItem info; info.m_itemId = item; m_mainWin->GetItem( info ); return info.GetBackgroundColour(); } int wxGenericListCtrl::GetSelectedItemCount() const { return m_mainWin->GetSelectedItemCount(); } wxColour wxGenericListCtrl::GetTextColour() const { return GetForegroundColour(); } void wxGenericListCtrl::SetTextColour(const wxColour& col) { SetForegroundColour(col); } long wxGenericListCtrl::GetTopItem() const { size_t top; m_mainWin->GetVisibleLinesRange(&top, NULL); return (long)top; } long wxGenericListCtrl::GetNextItem( long item, int geom, int state ) const { return m_mainWin->GetNextItem( item, geom, state ); } wxImageListType *wxGenericListCtrl::GetImageList(int which) const { if (which == wxIMAGE_LIST_NORMAL) { return m_imageListNormal; } else if (which == wxIMAGE_LIST_SMALL) { return m_imageListSmall; } else if (which == wxIMAGE_LIST_STATE) { return m_imageListState; } return (wxImageListType *) NULL; } void wxGenericListCtrl::SetImageList( wxImageListType *imageList, int which ) { if ( which == wxIMAGE_LIST_NORMAL ) { if (m_ownsImageListNormal) delete m_imageListNormal; m_imageListNormal = imageList; m_ownsImageListNormal = FALSE; } else if ( which == wxIMAGE_LIST_SMALL ) { if (m_ownsImageListSmall) delete m_imageListSmall; m_imageListSmall = imageList; m_ownsImageListSmall = FALSE; } else if ( which == wxIMAGE_LIST_STATE ) { if (m_ownsImageListState) delete m_imageListState; m_imageListState = imageList; m_ownsImageListState = FALSE; } m_mainWin->SetImageList( imageList, which ); } void wxGenericListCtrl::AssignImageList(wxImageListType *imageList, int which) { SetImageList(imageList, which); if ( which == wxIMAGE_LIST_NORMAL ) m_ownsImageListNormal = TRUE; else if ( which == wxIMAGE_LIST_SMALL ) m_ownsImageListSmall = TRUE; else if ( which == wxIMAGE_LIST_STATE ) m_ownsImageListState = TRUE; } bool wxGenericListCtrl::Arrange( int WXUNUSED(flag) ) { return 0; } bool wxGenericListCtrl::DeleteItem( long item ) { m_mainWin->DeleteItem( item ); return TRUE; } bool wxGenericListCtrl::DeleteAllItems() { m_mainWin->DeleteAllItems(); return TRUE; } bool wxGenericListCtrl::DeleteAllColumns() { size_t count = m_mainWin->m_columns.GetCount(); for ( size_t n = 0; n < count; n++ ) DeleteColumn(0); return TRUE; } void wxGenericListCtrl::ClearAll() { m_mainWin->DeleteEverything(); } bool wxGenericListCtrl::DeleteColumn( int col ) { m_mainWin->DeleteColumn( col ); // if we don't have the header any longer, we need to relayout the window if ( !GetColumnCount() ) { ResizeReportView(FALSE /* no header */); } return TRUE; } void wxGenericListCtrl::Edit( long item ) { m_mainWin->EditLabel( item ); } bool wxGenericListCtrl::EnsureVisible( long item ) { m_mainWin->EnsureVisible( item ); return TRUE; } long wxGenericListCtrl::FindItem( long start, const wxString& str, bool partial ) { return m_mainWin->FindItem( start, str, partial ); } long wxGenericListCtrl::FindItem( long start, long data ) { return m_mainWin->FindItem( start, data ); } long wxGenericListCtrl::FindItem( long WXUNUSED(start), const wxPoint& WXUNUSED(pt), int WXUNUSED(direction)) { return 0; } long wxGenericListCtrl::HitTest( const wxPoint &point, int &flags ) { return m_mainWin->HitTest( (int)point.x, (int)point.y, flags ); } long wxGenericListCtrl::InsertItem( wxListItem& info ) { m_mainWin->InsertItem( info ); return info.m_itemId; } long wxGenericListCtrl::InsertItem( long index, const wxString &label ) { wxListItem info; info.m_text = label; info.m_mask = wxLIST_MASK_TEXT; info.m_itemId = index; return InsertItem( info ); } long wxGenericListCtrl::InsertItem( long index, int imageIndex ) { wxListItem info; info.m_mask = wxLIST_MASK_IMAGE; info.m_image = imageIndex; info.m_itemId = index; return InsertItem( info ); } long wxGenericListCtrl::InsertItem( long index, const wxString &label, int imageIndex ) { wxListItem info; info.m_text = label; info.m_image = imageIndex; info.m_mask = wxLIST_MASK_TEXT | wxLIST_MASK_IMAGE; info.m_itemId = index; return InsertItem( info ); } long wxGenericListCtrl::InsertColumn( long col, wxListItem &item ) { wxCHECK_MSG( m_headerWin, -1, _T("can't add column in non report mode") ); m_mainWin->InsertColumn( col, item ); // if we hadn't had header before and have it now we need to relayout the // window if ( GetColumnCount() == 1 && m_mainWin->HasHeader() ) { ResizeReportView(TRUE /* have header */); } m_headerWin->Refresh(); return 0; } long wxGenericListCtrl::InsertColumn( long col, const wxString &heading, int format, int width ) { wxListItem item; item.m_mask = wxLIST_MASK_TEXT | wxLIST_MASK_FORMAT; item.m_text = heading; if (width >= -2) { item.m_mask |= wxLIST_MASK_WIDTH; item.m_width = width; } item.m_format = format; return InsertColumn( col, item ); } bool wxGenericListCtrl::ScrollList( int WXUNUSED(dx), int WXUNUSED(dy) ) { return 0; } // Sort items. // fn is a function which takes 3 long arguments: item1, item2, data. // item1 is the long data associated with a first item (NOT the index). // item2 is the long data associated with a second item (NOT the index). // data is the same value as passed to SortItems. // The return value is a negative number if the first item should precede the second // item, a positive number of the second item should precede the first, // or zero if the two items are equivalent. // data is arbitrary data to be passed to the sort function. bool wxGenericListCtrl::SortItems( wxListCtrlCompare fn, long data ) { m_mainWin->SortItems( fn, data ); return TRUE; } // ---------------------------------------------------------------------------- // event handlers // ---------------------------------------------------------------------------- void wxGenericListCtrl::OnSize(wxSizeEvent& WXUNUSED(event)) { if ( !m_mainWin ) return; ResizeReportView(m_mainWin->HasHeader()); m_mainWin->RecalculatePositions(); } void wxGenericListCtrl::ResizeReportView(bool showHeader) { int cw, ch; GetClientSize( &cw, &ch ); if ( showHeader ) { m_headerWin->SetSize( 0, 0, cw, m_headerHeight ); m_mainWin->SetSize( 0, m_headerHeight + 1, cw, ch - m_headerHeight - 1 ); } else // no header window { m_mainWin->SetSize( 0, 0, cw, ch ); } } void wxGenericListCtrl::OnInternalIdle() { wxWindow::OnInternalIdle(); // do it only if needed if ( !m_mainWin->m_dirty ) return; m_mainWin->RecalculatePositions(); } // ---------------------------------------------------------------------------- // font/colours // ---------------------------------------------------------------------------- bool wxGenericListCtrl::SetBackgroundColour( const wxColour &colour ) { if (m_mainWin) { m_mainWin->SetBackgroundColour( colour ); m_mainWin->m_dirty = TRUE; } return TRUE; } bool wxGenericListCtrl::SetForegroundColour( const wxColour &colour ) { if ( !wxWindow::SetForegroundColour( colour ) ) return FALSE; if (m_mainWin) { m_mainWin->SetForegroundColour( colour ); m_mainWin->m_dirty = TRUE; } if (m_headerWin) { m_headerWin->SetForegroundColour( colour ); } return TRUE; } bool wxGenericListCtrl::SetFont( const wxFont &font ) { if ( !wxWindow::SetFont( font ) ) return FALSE; if (m_mainWin) { m_mainWin->SetFont( font ); m_mainWin->m_dirty = TRUE; } if (m_headerWin) { m_headerWin->SetFont( font ); CalculateAndSetHeaderHeight(); } Refresh(); return TRUE; } // ---------------------------------------------------------------------------- // methods forwarded to m_mainWin // ---------------------------------------------------------------------------- #if wxUSE_DRAG_AND_DROP void wxGenericListCtrl::SetDropTarget( wxDropTarget *dropTarget ) { m_mainWin->SetDropTarget( dropTarget ); } wxDropTarget *wxGenericListCtrl::GetDropTarget() const { return m_mainWin->GetDropTarget(); } #endif // wxUSE_DRAG_AND_DROP bool wxGenericListCtrl::SetCursor( const wxCursor &cursor ) { return m_mainWin ? m_mainWin->wxWindow::SetCursor(cursor) : FALSE; } wxColour wxGenericListCtrl::GetBackgroundColour() const { return m_mainWin ? m_mainWin->GetBackgroundColour() : wxColour(); } wxColour wxGenericListCtrl::GetForegroundColour() const { return m_mainWin ? m_mainWin->GetForegroundColour() : wxColour(); } bool wxGenericListCtrl::DoPopupMenu( wxMenu *menu, int x, int y ) { #if wxUSE_MENUS return m_mainWin->PopupMenu( menu, x, y ); #else return FALSE; #endif // wxUSE_MENUS } void wxGenericListCtrl::SetFocus() { /* The test in window.cpp fails as we are a composite window, so it checks against "this", but not m_mainWin. */ if ( FindFocus() != this ) m_mainWin->SetFocus(); } // ---------------------------------------------------------------------------- // virtual list control support // ---------------------------------------------------------------------------- wxString wxGenericListCtrl::OnGetItemText(long WXUNUSED(item), long WXUNUSED(col)) const { // this is a pure virtual function, in fact - which is not really pure // because the controls which are not virtual don't need to implement it wxFAIL_MSG( _T("wxGenericListCtrl::OnGetItemText not supposed to be called") ); return wxEmptyString; } int wxGenericListCtrl::OnGetItemImage(long WXUNUSED(item)) const { // same as above wxFAIL_MSG( _T("wxGenericListCtrl::OnGetItemImage not supposed to be called") ); return -1; } wxListItemAttr *wxGenericListCtrl::OnGetItemAttr(long item) const { wxASSERT_MSG( item >= 0 && item < GetItemCount(), _T("invalid item index in OnGetItemAttr()") ); // no attributes by default return NULL; } void wxGenericListCtrl::SetItemCount(long count) { wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") ); m_mainWin->SetItemCount(count); } void wxGenericListCtrl::RefreshItem(long item) { m_mainWin->RefreshLine(item); } void wxGenericListCtrl::RefreshItems(long itemFrom, long itemTo) { m_mainWin->RefreshLines(itemFrom, itemTo); } /* * Generic wxListCtrl is more or less a container for two other * windows which drawings are done upon. These are namely * 'm_headerWin' and 'm_mainWin'. * Here we override 'virtual wxWindow::Refresh()' to mimic the * behaviour wxListCtrl has under wxMSW. */ void wxGenericListCtrl::Refresh(bool eraseBackground, const wxRect *rect) { if (!rect) { // The easy case, no rectangle specified. if (m_headerWin) m_headerWin->Refresh(eraseBackground); if (m_mainWin) m_mainWin->Refresh(eraseBackground); } else { // Refresh the header window if (m_headerWin) { wxRect rectHeader = m_headerWin->GetRect(); rectHeader.Intersect(*rect); if (rectHeader.GetWidth() && rectHeader.GetHeight()) { int x, y; m_headerWin->GetPosition(&x, &y); rectHeader.Offset(-x, -y); m_headerWin->Refresh(eraseBackground, &rectHeader); } } // Refresh the main window if (m_mainWin) { wxRect rectMain = m_mainWin->GetRect(); rectMain.Intersect(*rect); if (rectMain.GetWidth() && rectMain.GetHeight()) { int x, y; m_mainWin->GetPosition(&x, &y); rectMain.Offset(-x, -y); m_mainWin->Refresh(eraseBackground, &rectMain); } } } } void wxGenericListCtrl::Freeze() { m_mainWin->Freeze(); } void wxGenericListCtrl::Thaw() { m_mainWin->Thaw(); } #endif // wxUSE_LISTCTRL