X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b54e41c5298568d48a7a1fa532b2653288a8713c..53e46b61bbe4ce72b92c8898907f0a879d5f012b:/src/generic/listctrl.cpp diff --git a/src/generic/listctrl.cpp b/src/generic/listctrl.cpp index 0bef509211..d2f3b99675 100644 --- a/src/generic/listctrl.cpp +++ b/src/generic/listctrl.cpp @@ -41,6 +41,10 @@ ... we have it ourselves ... else line->GetFoo(); + + => done + + 5. attributes support: we need OnGetItemAttr() as well! */ // ============================================================================ @@ -243,7 +247,8 @@ public: void GetItem( wxListItem &info ) const; - wxListItemAttr *GetAttributes() const { return m_attr; } + void SetAttr(wxListItemAttr *attr) { m_attr = attr; } + wxListItemAttr *GetAttr() const { return m_attr; } public: // the item image or -1 @@ -348,7 +353,7 @@ public: wxListMainWindow *m_owner; public: - wxListLineData( wxListMainWindow *owner, size_t line ); + wxListLineData(wxListMainWindow *owner); ~wxListLineData() { delete m_gi; } @@ -367,7 +372,12 @@ public: // remember the position this line appears at void SetPosition( int x, int y, int window_width, int spacing ); - long IsHit( int x, int y ); + // 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 ); @@ -375,33 +385,14 @@ public: wxString GetText(int index) const; void SetText( int index, const wxString s ); - void SetImage( int index, int image ); - int GetImage( int index ) const; - - // get the bound rect of this line - wxRect GetRect() const; - - // get the bound rect of the label - wxRect GetLabelRect() const; - - // get the bound rect of the items icon (only may be called if we do have - // an icon!) - wxRect GetIconRect() const; - - // get the rect to be highlighted when the item has focus - wxRect GetHighlightRect() const; - - // get the size of the total line rect - wxSize GetSize() const { return GetRect().GetSize(); } + wxListItemAttr *GetAttr() const; + void SetAttr(wxListItemAttr *attr); // return true if the highlighting really changed bool Highlight( bool on ); void ReverseHighlight(); - // draw the line on the given DC - void Draw( wxDC *dc, int y = 0, int height = 0, bool highlighted = FALSE ); - bool IsHighlighted() const { wxASSERT_MSG( !IsVirtual(), _T("unexpected call to IsHighlighted") ); @@ -409,8 +400,14 @@ public: return m_highlighted; } - // only for wxListMainWindow::CacheLineData() - void SetLineIndex(size_t line) { m_lineIndex = line; } + // 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) @@ -425,11 +422,12 @@ private: const wxFont& font, bool highlight); - // the index of this line (only used in report mode) - size_t m_lineIndex; + // 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); @@ -554,6 +552,9 @@ public: // 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); } @@ -578,12 +579,41 @@ public: 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 ); - // return true if the line is highlighted - bool IsHighlighted(size_t line) const; + // 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; void EditLabel( long item ); void OnRenameTimer(); @@ -604,8 +634,8 @@ public: void OnPaint( wxPaintEvent &event ); void DrawImage( int index, wxDC *dc, int x, int y ); - void GetImageSize( int index, int &width, int &height ); - int GetTextLength( const wxString &s ); + void GetImageSize( int index, int &width, int &height ) const; + int GetTextLength( const wxString &s ) const; void SetImageList( wxImageList *imageList, int which ); void SetItemSpacing( int spacing, bool isSmall = FALSE ); @@ -620,7 +650,7 @@ public: // returns the sum of the heights of all columns int GetHeaderWidth() const; - int GetCountPerPage() { return m_linesPerPage; } + int GetCountPerPage() const; void SetItem( wxListItem &item ); void GetItem( wxListItem &item ); @@ -935,6 +965,8 @@ void wxSelectionStore::OnItemDelete(size_t item) { // this item itself was in m_itemsSel, remove it from there m_itemsSel.RemoveAt(i); + + count--; } // and adjust the index of all which follow it @@ -1184,13 +1216,11 @@ inline bool wxListLineData::IsVirtual() const return m_owner->IsVirtual(); } -wxListLineData::wxListLineData( wxListMainWindow *owner, size_t line ) +wxListLineData::wxListLineData( wxListMainWindow *owner ) { m_owner = owner; m_items.DeleteContents( TRUE ); - SetLineIndex(line); - if ( InReportView() ) { m_gi = NULL; @@ -1205,59 +1235,6 @@ wxListLineData::wxListLineData( wxListMainWindow *owner, size_t line ) InitItems( GetMode() == wxLC_REPORT ? m_owner->GetColumnCount() : 1 ); } -wxRect wxListLineData::GetRect() const -{ - if ( !InReportView() ) - return m_gi->m_rectAll; - - wxRect rect; - rect.x = HEADER_OFFSET_X; - rect.y = m_owner->GetLineY(m_lineIndex); - rect.width = m_owner->GetHeaderWidth(); - rect.height = m_owner->GetLineHeight(); - - return rect; -} - -wxRect wxListLineData::GetLabelRect() const -{ - if ( !InReportView() ) - return m_gi->m_rectLabel; - - wxRect rect; - rect.x = HEADER_OFFSET_X; - rect.y = m_owner->GetLineY(m_lineIndex); - rect.width = m_owner->GetColumnWidth(0); - rect.height = m_owner->GetLineHeight(); - - return rect; -} - -wxRect wxListLineData::GetIconRect() const -{ - if ( !InReportView() ) - return m_gi->m_rectIcon; - - wxRect rect; - - wxListItemDataList::Node *node = m_items.GetFirst(); - wxCHECK_MSG( node, rect, _T("no subitems at all??") ); - - wxListItemData *item = node->GetData(); - wxASSERT_MSG( item->HasImage(), _T("GetIconRect() called but no image") ); - - rect.x = HEADER_OFFSET_X; - rect.y = m_owner->GetLineY(m_lineIndex); - m_owner->GetImageSize(item->GetImage(), rect.width, rect.height); - - return rect; -} - -wxRect wxListLineData::GetHighlightRect() const -{ - return InReportView() ? GetRect() : m_gi->m_rectHighlight; -} - void wxListLineData::CalculateSize( wxDC *dc, int spacing ) { wxListItemDataList::Node *node = m_items.GetFirst(); @@ -1435,25 +1412,6 @@ void wxListLineData::SetPosition( int x, int y, } } -long wxListLineData::IsHit( int x, int y ) -{ - wxListItemDataList::Node *node = m_items.GetFirst(); - wxCHECK_MSG( node, 0, _T("no subitems at all??") ); - - wxListItemData *item = node->GetData(); - if ( item->HasImage() && GetIconRect().Inside(x, y) ) - return wxLIST_HITTEST_ONITEMICON; - - if ( item->HasText() ) - { - wxRect rect = InReportView() ? GetRect() : GetLabelRect(); - if ( rect.Inside(x, y) ) - return wxLIST_HITTEST_ONITEMLABEL; - } - - return 0; -} - void wxListLineData::InitItems( int num ) { for (int i = 0; i < num; i++) @@ -1521,6 +1479,24 @@ int wxListLineData::GetImage( int index ) const return item->GetImage(); } +wxListItemAttr *wxListLineData::GetAttr() const +{ + wxListItemDataList::Node *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::Node *node = m_items.GetFirst(); + wxCHECK_RET( node, _T("invalid column index in SetAttr()") ); + + wxListItemData *item = node->GetData(); + item->SetAttr(attr); +} + void wxListLineData::SetAttributes(wxDC *dc, const wxListItemAttr *attr, const wxColour& colText, @@ -1549,21 +1525,37 @@ void wxListLineData::SetAttributes(wxDC *dc, } } -void wxListLineData::Draw( wxDC *dc, int y, int height, bool highlighted ) +void wxListLineData::Draw( wxDC *dc ) { - wxRect rect = GetRect(); - m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y ); + wxListItemDataList::Node *node = m_items.GetFirst(); + wxCHECK_RET( node, _T("no subitems at all??") ); - if ( !m_owner->IsExposed( rect ) ) - return; + wxListItemData *item = node->GetData(); + if (item->HasImage()) + { + wxRect rectIcon = m_gi->m_rectIcon; + m_owner->DrawImage( item->GetImage(), dc, + rectIcon.x, rectIcon.y ); + } - wxWindow *listctrl = m_owner->GetParent(); + if (item->HasText()) + { + wxRect rectLabel = m_gi->m_rectLabel; + dc->DrawText( item->GetText(), rectLabel.x, rectLabel.y ); + } +} +void wxListLineData::DrawInReportMode( wxDC *dc, + const wxRect& rect, + const wxRect& rectHL, + bool highlighted ) +{ // use our own flag if we maintain it - if ( !m_owner->IsVirtual() ) + if ( !IsVirtual() ) highlighted = m_highlighted; // default foreground colour + wxWindow *listctrl = m_owner->GetParent(); wxColour colText; if ( highlighted ) { @@ -1577,11 +1569,10 @@ void wxListLineData::Draw( wxDC *dc, int y, int height, bool highlighted ) // default font wxFont font = listctrl->GetFont(); - // VZ: currently we set the colours/fonts only once, but like this (i.e. - // using SetAttributes() inside the loop), it will be trivial to - // customize the subitems (in report mode) too. - wxListItemData *item = m_items.GetFirst()->GetData(); - wxListItemAttr *attr = item->GetAttributes(); + // TODO: later we should support setting different attributes for + // different columns - to do it, just add "col" argument to + // GetAttr() and move this code into the loop below + wxListItemAttr *attr = GetAttr(); SetAttributes(dc, attr, colText, font, highlighted); bool hasBgCol = attr && attr->HasBackgroundColour(); @@ -1600,66 +1591,42 @@ void wxListLineData::Draw( wxDC *dc, int y, int height, bool highlighted ) } dc->SetPen( * wxTRANSPARENT_PEN ); - dc->DrawRectangle( GetHighlightRect() ); + dc->DrawRectangle( rectHL ); } wxListItemDataList::Node *node = m_items.GetFirst(); + wxCHECK_RET( node, _T("no subitems at all??") ); - if ( GetMode() == wxLC_REPORT) + size_t col = 0; + wxCoord x = rect.x + HEADER_OFFSET_X, + y = rect.y + (LINE_SPACING + EXTRA_HEIGHT) / 2; + + while ( node ) { - size_t col = 0; - int x = HEADER_OFFSET_X; + wxListItemData *item = node->GetData(); - y += (LINE_SPACING + EXTRA_HEIGHT) / 2; + int xOld = x; - while ( node ) + if ( item->HasImage() ) { - wxListItemData *item = node->GetData(); - - int xOld = x; - - if ( item->HasImage() ) - { - int ix, iy; - m_owner->DrawImage( item->GetImage(), dc, x, y ); - m_owner->GetImageSize( item->GetImage(), ix, iy ); - x += ix + 5; // FIXME: what is "5"? - } - - int width = m_owner->GetColumnWidth(col++); - - dc->SetClippingRegion(x, y, width, height); - - if ( item->HasText() ) - { - dc->DrawText( item->GetText(), x, y + 1 ); - } + int ix, iy; + m_owner->DrawImage( item->GetImage(), dc, x, y ); + m_owner->GetImageSize( item->GetImage(), ix, iy ); + x += ix + 5; // FIXME: what is "5"? + } - dc->DestroyClippingRegion(); + int width = m_owner->GetColumnWidth(col++); - x = xOld + width; + wxDCClipper clipper(*dc, x, y, width, rect.height); - node = node->GetNext(); - } - } - else // !report - { - if (node) + if ( item->HasText() ) { - wxListItemData *item = node->GetData(); - if (item->HasImage()) - { - wxRect rectIcon = GetIconRect(); - m_owner->DrawImage( item->GetImage(), dc, - rectIcon.x, rectIcon.y ); - } - - if (item->HasText()) - { - wxRect rectLabel = GetLabelRect(); - dc->DrawText( item->GetText(), rectLabel.x, rectLabel.y ); - } + dc->DrawText( item->GetText(), x, y ); } + + x = xOld + width; + + node = node->GetNext(); } } @@ -2198,8 +2165,8 @@ void wxListMainWindow::CacheLineData(size_t line) ld->SetText(col, listctrl->OnGetItemText(line, col)); } - ld->SetImage(0, listctrl->OnGetItemImage(line)); - ld->SetLineIndex(line); + ld->SetImage(listctrl->OnGetItemImage(line)); + ld->SetAttr(listctrl->OnGetItemAttr(line)); } wxListLineData *wxListMainWindow::GetDummyLine() const @@ -2213,15 +2180,17 @@ wxListLineData *wxListMainWindow::GetDummyLine() const wxASSERT_MSG( IsVirtual(), _T("logic error") ); wxListMainWindow *self = wxConstCast(this, wxListMainWindow); - wxListLineData *line = new wxListLineData( self, 0 ); + wxListLineData *line = new wxListLineData(self); self->m_lines.Add(line); } - m_lines[0].SetLineIndex(0); - return &m_lines[0]; } +// ---------------------------------------------------------------------------- +// line geometry (report mode only) +// ---------------------------------------------------------------------------- + wxCoord wxListMainWindow::GetLineHeight() const { wxASSERT_MSG( HasFlag(wxLC_REPORT), _T("only works in report mode") ); @@ -2254,6 +2223,79 @@ wxCoord wxListMainWindow::GetLineY(size_t line) const 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 +{ + wxListLineData *ld = GetLine(line); + + if ( ld->HasImage() && GetLineIconRect(line).Inside(x, y) ) + return wxLIST_HITTEST_ONITEMICON; + + if ( ld->HasText() ) + { + 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() ) @@ -2310,7 +2352,7 @@ bool wxListMainWindow::HighlightLine( size_t line, bool highlight ) if ( changed ) { SendNotify( line, highlight ? wxEVT_COMMAND_LIST_ITEM_SELECTED - : wxEVT_COMMAND_LIST_ITEM_DESELECTED ); + : wxEVT_COMMAND_LIST_ITEM_DESELECTED ); } return changed; @@ -2318,7 +2360,7 @@ bool wxListMainWindow::HighlightLine( size_t line, bool highlight ) void wxListMainWindow::RefreshLine( size_t line ) { - wxRect rect = GetLine(line)->GetRect(); + wxRect rect = GetLineRect(line); CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y ); RefreshRect( rect ); @@ -2329,6 +2371,8 @@ 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; @@ -2358,6 +2402,35 @@ void wxListMainWindow::RefreshLines( size_t lineFrom, size_t lineTo ) } } +void wxListMainWindow::RefreshAfter( size_t lineFrom ) +{ + if ( HasFlag(wxLC_REPORT) ) + { + size_t visibleFrom; + GetVisibleLinesRange(&visibleFrom, NULL); + + if ( lineFrom < visibleFrom ) + lineFrom = visibleFrom; + + wxRect rect; + rect.x = 0; + rect.y = GetLineY(lineFrom); + + wxSize size = GetClientSize(); + rect.width = size.x; + // refresh till the bottom of the window + rect.height = size.y - rect.y; + + CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y ); + RefreshRect( rect ); + } + else // !report + { + // TODO: how to do it more efficiently? + m_dirty = TRUE; + } +} + void wxListMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) { // Note: a wxPaintDC must be constructed even if no drawing is @@ -2370,6 +2443,12 @@ void wxListMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) return; } + if ( m_dirty ) + { + // delay the repainting until we calculate all the items positions + return; + } + PrepareDC( dc ); int dev_x, dev_y; @@ -2385,12 +2464,26 @@ void wxListMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) size_t visibleFrom, visibleTo; GetVisibleLinesRange(&visibleFrom, &visibleTo); + + wxRect rectLine; + wxCoord xOrig, yOrig; + CalcUnscrolledPosition(0, 0, &xOrig, &yOrig); + for ( size_t line = visibleFrom; line <= visibleTo; line++ ) { - GetLine(line)->Draw( &dc, - GetLineY(line), - lineHeight, - IsHighlighted(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) ) @@ -2449,25 +2542,12 @@ void wxListMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) if ( HasCurrent() && m_hasFocus ) { - wxRect rect; - - if ( IsVirtual() ) - { - // just offset the rect of the first line to position it correctly - wxListLineData *line = GetDummyLine(); - rect = line->GetHighlightRect(); - rect.y = GetLineY(m_current); - } - else - { - rect = GetLine(m_current)->GetHighlightRect(); - } #ifdef __WXMAC__ // no rect outline, we already have the background color #else dc.SetPen( *wxBLACK_PEN ); dc.SetBrush( *wxTRANSPARENT_BRUSH ); - dc.DrawRectangle( rect ); + dc.DrawRectangle( GetLineHighlightRect(m_current) ); #endif } @@ -2546,7 +2626,7 @@ void wxListMainWindow::EditLabel( long item ) PrepareDC( dc ); wxString s = data->GetText(0); - wxRect rectLabel = data->GetLabelRect(); + wxRect rectLabel = GetLineLabelRect(m_currentEdit); rectLabel.x = dc.LogicalToDeviceX( rectLabel.x ); rectLabel.y = dc.LogicalToDeviceY( rectLabel.y ); @@ -2614,7 +2694,7 @@ void wxListMainWindow::OnMouse( wxMouseEvent &event ) int y = event.GetY(); CalcUnscrolledPosition( x, y, &x, &y ); - /* Did we actually hit an item ? */ + // where did we hit it (if we did)? long hitResult = 0; size_t count = GetItemCount(), @@ -2622,10 +2702,9 @@ void wxListMainWindow::OnMouse( wxMouseEvent &event ) if ( HasFlag(wxLC_REPORT) ) { - wxCoord lineHeight = GetLineHeight(); - - current = y / lineHeight; - hitResult = GetDummyLine()->IsHit( x, y % lineHeight ); + current = y / GetLineHeight(); + if ( current < count ) + hitResult = HitTestLine(current, x, y); } else // !report { @@ -2633,10 +2712,8 @@ void wxListMainWindow::OnMouse( wxMouseEvent &event ) // enumerating all items is still not a way to do it!! for ( current = 0; current < count; current++ ) { - wxListLineData *line = (wxListLineData *) NULL; - line = GetLine(current); - hitResult = line->IsHit( x, y ); - if (hitResult) + hitResult = HitTestLine(current, x, y); + if ( hitResult ) break; } } @@ -2772,19 +2849,7 @@ void wxListMainWindow::MoveToFocus() if ( !HasCurrent() ) return; - wxRect rect; - - if ( IsVirtual() ) - { - // just offset the rect of the first line to position it correctly - wxListLineData *line = GetDummyLine(); - rect = line->GetRect(); - rect.y = GetLineY(m_current); - } - else - { - rect = GetLine(m_current)->GetRect(); - } + wxRect rect = GetLineRect(m_current); int client_w, client_h; GetClientSize( &client_w, &client_h ); @@ -3100,7 +3165,7 @@ void wxListMainWindow::DrawImage( int index, wxDC *dc, int x, int y ) } } -void wxListMainWindow::GetImageSize( int index, int &width, int &height ) +void wxListMainWindow::GetImageSize( int index, int &width, int &height ) const { if ( HasFlag(wxLC_ICON) && m_normal_image_list ) { @@ -3125,9 +3190,9 @@ void wxListMainWindow::GetImageSize( int index, int &width, int &height ) } } -int wxListMainWindow::GetTextLength( const wxString &s ) +int wxListMainWindow::GetTextLength( const wxString &s ) const { - wxClientDC dc( this ); + wxClientDC dc( wxConstCast(this, wxListMainWindow) ); dc.SetFont( GetFont() ); wxCoord lw; @@ -3322,19 +3387,21 @@ void wxListMainWindow::SetItem( wxListItem &item ) wxCHECK_RET( id >= 0 && (size_t)id < GetItemCount(), _T("invalid item index in SetItem") ); - if ( IsVirtual() ) + if ( !IsVirtual() ) + { + wxListLineData *line = GetLine((size_t)id); + line->SetItem( item.m_col, item ); + } + + if ( InReportView() ) { // just refresh the line to show the new value of the text/image RefreshLine((size_t)id); } - else // !virtual + else // !report { + // refresh everything (resulting in horrible flicker - FIXME!) m_dirty = TRUE; - - wxListLineData *line = GetLine((size_t)id); - if ( HasFlag(wxLC_REPORT) ) - item.m_width = GetColumnWidth( item.m_col ); - line->SetItem( item.m_col, item ); } } @@ -3497,15 +3564,7 @@ void wxListMainWindow::GetItemRect( long index, wxRect &rect ) wxCHECK_RET( index >= 0 && (size_t)index < GetItemCount(), _T("invalid index in GetItemRect") ); - if ( HasFlag(wxLC_REPORT) ) - { - rect = GetDummyLine()->GetRect(); - rect.y = GetLineY((size_t)index); - } - else - { - rect = GetLine((size_t)index)->GetRect(); - } + rect = GetLineRect((size_t)index); CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y); } @@ -3566,15 +3625,6 @@ void wxListMainWindow::RecalculatePositions() GetScrollPos(wxHORIZONTAL), GetScrollPos(wxVERTICAL), TRUE ); - - // we must have an integer number of lines on screen and so we fit - // the real control size to the line height - wxRect rect; - rect.x = 0; - rect.y = LINE_SPACING; - rect.width = clientWidth; - rect.height = ((clientHeight - LINE_SPACING) / lineHeight)*lineHeight; - SetTargetRect(rect); } else // !report { @@ -3603,7 +3653,7 @@ void wxListMainWindow::RecalculatePositions() line->CalculateSize( &dc, iconSpacing ); line->SetPosition( x, y, clientWidth, iconSpacing ); - wxSize sizeLine = line->GetSize(); + wxSize sizeLine = GetLineSize(i); if ( maxWidth < sizeLine.x ) maxWidth = sizeLine.x; @@ -3729,20 +3779,22 @@ void wxListMainWindow::DeleteItem( long lindex ) if ( m_current == index ) { // the last valid index after deleting the item will be count-2 - if ( ++m_current >= count - 2 ) + if ( m_current == count - 1 ) { - m_current = count - 2; + m_current--; } } SendNotify( index, wxEVT_COMMAND_LIST_DELETE_ITEM ); + if ( InReportView() ) + { + ResetVisibleLinesRange(); + } + if ( IsVirtual() ) { - if ( m_lineTo == --m_countVirt ) - { - m_lineTo--; - } + m_countVirt--; m_selStore.OnItemDelete(index); } @@ -3750,6 +3802,9 @@ void wxListMainWindow::DeleteItem( long lindex ) { m_lines.RemoveAt( index ); } + + m_dirty = TRUE; + RefreshAfter(index); } void wxListMainWindow::DeleteColumn( int col ) @@ -3790,6 +3845,11 @@ void wxListMainWindow::DeleteAllItems() ResetVisibleLinesRange(); } + if ( InReportView() ) + { + ResetVisibleLinesRange(); + } + m_lines.Clear(); m_selStore.Clear(); @@ -3863,15 +3923,23 @@ long wxListMainWindow::HitTest( int x, int y, int &flags ) { CalcUnscrolledPosition( x, y, &x, &y ); - size_t count = GetItemCount(); - for (size_t i = 0; i < count; i++) + if ( HasFlag(wxLC_REPORT) ) { - wxListLineData *line = GetLine(i); - long ret = line->IsHit( x, y ); - if (ret) + size_t current = y / GetLineHeight(); + 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!! + size_t count = GetItemCount(); + for ( size_t current = 0; current < count; current++ ) { - flags = (int)ret; - return i; + flags = HitTestLine(current, x, y); + if ( flags ) + return current; } } @@ -3908,11 +3976,14 @@ void wxListMainWindow::InsertItem( wxListItem &item ) wxFAIL_MSG( _T("unknown mode") ); } - wxListLineData *line = new wxListLineData( this, id ); + wxListLineData *line = new wxListLineData(this); line->SetItem( 0, item ); m_lines.Insert( line, id ); + + m_dirty = TRUE; + RefreshLines(id, GetItemCount() - 1); } void wxListMainWindow::InsertColumn( long col, wxListItem &item ) @@ -3991,23 +4062,49 @@ void wxListMainWindow::OnScroll(wxScrollWinEvent& event) } } +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 ) { - m_lineFrom = GetScrollPos(wxVERTICAL); - size_t count = GetItemCount(); + if ( count ) + { + m_lineFrom = GetScrollPos(wxVERTICAL); - wxASSERT_MSG( m_lineFrom < count, _T("invalid scroll position?") ); + // this may happen if SetScrollbars() hadn't been called yet + if ( m_lineFrom >= count ) + m_lineFrom = count - 1; - m_lineTo = m_lineFrom + m_linesPerPage - 1; - if ( m_lineTo >= count ) - m_lineTo = 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 ) @@ -4807,6 +4904,15 @@ int wxListCtrl::OnGetItemImage(long item) const return -1; } +wxListItemAttr *wxListCtrl::OnGetItemAttr(long item) const +{ + wxASSERT_MSG( item >= 0 && item < GetItemCount(), + _T("invalid item index in OnGetItemAttr()") ); + + // no attributes by default + return NULL; +} + void wxListCtrl::SetItemCount(long count) { wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") ); @@ -4814,4 +4920,14 @@ void wxListCtrl::SetItemCount(long count) m_mainWin->SetItemCount(count); } +void wxListCtrl::RefreshItem(long item) +{ + m_mainWin->RefreshLine(item); +} + +void wxListCtrl::RefreshItems(long itemFrom, long itemTo) +{ + m_mainWin->RefreshLines(itemFrom, itemTo); +} + #endif // wxUSE_LISTCTRL