X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5cd891743efcff4d6603c68b98e72fb033792a88..050c9e3c90c58b05d5b3f7384d1556ca9669f13e:/src/generic/listctrl.cpp diff --git a/src/generic/listctrl.cpp b/src/generic/listctrl.cpp index 725faf3c0f..6008a869de 100644 --- a/src/generic/listctrl.cpp +++ b/src/generic/listctrl.cpp @@ -9,38 +9,10 @@ ///////////////////////////////////////////////////////////////////////////// /* - FIXME for virtual list controls + TODO - +1. clicking on the item with a mouse is awfully slow, what is going on? - note that selecting with keyboard seems to be much faster - => fixed HighlightAll() - iterating over 1000000 items *is* slow - - 2. background colour is wrong? - */ - -/* - TODO for better virtual list control support: - - 1. less dumb line caching, we should cache at least all those visible - in the control itself and probably twice as many (we might also need to - cache the first one always for geometry calculations?) - - +2. storing selections: we can't use an array to store the selected indices - like right now as selecting all in a control with 1000000 items is not - doable like this - instead, store selections as collection of individual - items and ranges - - => wxSelectionStore - - 3. we need to implement searching/sorting somehow - - 4. the idea of storing the line index in the line itself is really stupid, - we shouldn't need it - but for this we have to get rid of all calles to - wxListLineData::GetFoo() and replace them with something like - if ( IsVirtual() - ... we have it ourselves ... - else - line->GetFoo(); + 1. we need to implement searching/sorting for virtual controls somehow + ?2. when changing selection the lines are refreshed twice */ // ============================================================================ @@ -56,10 +28,6 @@ #pragma implementation "listctrlbase.h" #endif -#if 0 -#include "listctrl.old.cpp" -#else - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -97,9 +65,15 @@ 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 @@ -130,6 +104,9 @@ static const int AUTOSIZE_COL_MARGIN = 10; 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 // ============================================================================ @@ -174,7 +151,14 @@ public: bool SelectItem(size_t item, bool select = TRUE); // select the range of items - void SelectRange(size_t itemFrom, size_t itemTo, bool select = TRUE); + // + // return true and fill the itemsChanged array with the indices of items + // which have changed state if "few" of them did, otherwise return false + // (meaning that too many items changed state to bother counting them + // individually) + bool SelectRange(size_t itemFrom, size_t itemTo, + bool select = TRUE, + wxArrayInt *itemsChanged = NULL); // return true if the given item is selected bool IsSelected(size_t item) const; @@ -212,7 +196,7 @@ class WXDLLEXPORT wxListItemData { public: wxListItemData(wxListMainWindow *owner); - ~wxListItemData() { delete m_attr; delete m_rect; } + ~wxListItemData(); void SetItem( const wxListItem &info ); void SetImage( int image ) { m_image = image; } @@ -247,7 +231,8 @@ 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 @@ -280,16 +265,6 @@ protected: class WXDLLEXPORT wxListHeaderData : public wxObject { -protected: - long m_mask; - int m_image; - wxString m_text; - int m_format; - int m_width; - int m_xpos, - m_ypos; - int m_height; - public: wxListHeaderData(); wxListHeaderData( const wxListItem &info ); @@ -311,8 +286,18 @@ public: 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: - DECLARE_DYNAMIC_CLASS(wxListHeaderData); + void Init(); }; //----------------------------------------------------------------------------- @@ -384,6 +369,9 @@ public: 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 ); @@ -412,10 +400,10 @@ private: // get the mode (i.e. style) of the list control inline int GetMode() const; - void SetAttributes(wxDC *dc, + // 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, - const wxColour& colText, - const wxFont& font, bool highlight); // these are only used by GetImage/SetImage above, we don't support images @@ -452,7 +440,6 @@ protected: public: wxListHeaderWindow(); - virtual ~wxListHeaderWindow(); wxListHeaderWindow( wxWindow *win, wxWindowID id, @@ -462,6 +449,8 @@ public: long style = 0, const wxString &name = "wxlistctrlcolumntitles" ); + virtual ~wxListHeaderWindow(); + void DoDrawRect( wxDC *dc, int x, int y, int w, int h ); void DrawCurrent(); void AdjustDC(wxDC& dc); @@ -474,6 +463,9 @@ public: bool m_dirty; private: + // common part of all ctors + void Init(); + DECLARE_DYNAMIC_CLASS(wxListHeaderWindow) DECLARE_EVENT_TABLE() }; @@ -575,12 +567,20 @@ 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 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 @@ -606,12 +606,23 @@ public: // 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 OnRenameTimer(); void OnRenameAccept(); void OnMouse( wxMouseEvent &event ); - void MoveToFocus(); // called to switch the selection from the current item to newCurrent, void OnArrowChar( size_t newCurrent, const wxKeyEvent& event ); @@ -652,7 +663,7 @@ public: int GetSelectedItemCount(); // set the scrollbars and update the positions of the items - void RecalculatePositions(); + void RecalculatePositions(bool noRefresh = FALSE); // refresh the window and the header void RefreshAll(); @@ -674,7 +685,9 @@ public: bool IsEmpty() const { return GetItemCount() == 0; } void SetItemCount(long count); - void ResetCurrent() { m_current = (size_t)-1; } + // 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 @@ -707,6 +720,12 @@ public: // 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 wxListLineDataArray m_lines; @@ -731,7 +750,6 @@ public: // call bool m_dirty; - wxBrush *m_highlightBrush; wxColour *m_highlightColour; int m_xScroll, m_yScroll; @@ -809,11 +827,8 @@ private: // initialize the current item if needed void UpdateCurrent(); - // called when an item is [un]focuded, i.e. becomes [not] current - // - // currently unused - void OnFocusLine( size_t line ); - void OnUnfocusLine( size_t line ); + // delete all items but don't refresh: called from dtor + void DoDeleteAllItems(); // the height of one line using the current font wxCoord m_lineHeight; @@ -827,6 +842,13 @@ private: 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() }; @@ -877,12 +899,19 @@ bool wxSelectionStore::SelectItem(size_t item, bool select) return FALSE; } -void wxSelectionStore::SelectRange(size_t itemFrom, size_t itemTo, bool select) +bool wxSelectionStore::SelectRange(size_t itemFrom, size_t itemTo, + bool select, + wxArrayInt *itemsChanged) { + // 100 is hardcoded but it shouldn't matter much: the important thing is + // that we don't refresh everything when really few (e.g. 1 or 2) items + // change state + static const size_t MANY_ITEMS = 100; + wxASSERT_MSG( itemFrom <= itemTo, _T("should be in order") ); // are we going to have more [un]selected items than the other ones? - if ( itemTo - itemFrom > m_count / 2 ) + if ( itemTo - itemFrom > m_count/2 ) { if ( select != m_defaultState ) { @@ -909,6 +938,9 @@ void wxSelectionStore::SelectRange(size_t itemFrom, size_t itemTo, bool select) if ( selOld.Index(item) == wxNOT_FOUND ) m_itemsSel.Add(item); } + + // many items (> half) changed state + itemsChanged = NULL; } else // select == m_defaultState { @@ -932,6 +964,17 @@ void wxSelectionStore::SelectRange(size_t itemFrom, size_t itemTo, bool select) // delete all of them (from end to avoid changing indices) for ( int i = end; i >= (int)start; i-- ) { + if ( itemsChanged ) + { + if ( itemsChanged->GetCount() > MANY_ITEMS ) + { + // stop counting (see comment below) + itemsChanged = NULL; + } + + itemsChanged->Add(m_itemsSel[i]); + } + m_itemsSel.RemoveAt(i); } } @@ -939,12 +982,31 @@ void wxSelectionStore::SelectRange(size_t itemFrom, size_t itemTo, bool select) } else // "few" items change state { + if ( itemsChanged ) + { + itemsChanged->Empty(); + } + // just add the items to the selection for ( size_t item = itemFrom; item <= itemTo; item++ ) { - SelectItem(item, select); + if ( SelectItem(item, select) && itemsChanged ) + { + itemsChanged->Add(item); + + if ( itemsChanged->GetCount() > MANY_ITEMS ) + { + // stop counting them, we'll just eat gobs of memory + // for nothing at all - faster to refresh everything in + // this case + itemsChanged = NULL; + } + } } } + + // we set it to NULL if there are many items changing state + return itemsChanged != NULL; } void wxSelectionStore::OnItemDelete(size_t item) @@ -956,6 +1018,8 @@ 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 @@ -972,6 +1036,18 @@ void wxSelectionStore::OnItemDelete(size_t item) // 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; @@ -986,7 +1062,7 @@ wxListItemData::wxListItemData(wxListMainWindow *owner) m_owner = owner; - if ( owner->HasFlag(wxLC_REPORT) ) + if ( owner->InReportView() ) { m_rect = NULL; } @@ -1096,12 +1172,10 @@ void wxListItemData::GetItem( wxListItem &info ) const // wxListHeaderData //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxListHeaderData,wxObject); - -wxListHeaderData::wxListHeaderData() +void wxListHeaderData::Init() { m_mask = 0; - m_image = 0; + m_image = -1; m_format = 0; m_width = 0; m_xpos = 0; @@ -1109,22 +1183,33 @@ wxListHeaderData::wxListHeaderData() m_height = 0; } +wxListHeaderData::wxListHeaderData() +{ + Init(); +} + wxListHeaderData::wxListHeaderData( const wxListItem &item ) { + Init(); + SetItem( item ); - m_xpos = 0; - m_ypos = 0; - m_height = 0; } void wxListHeaderData::SetItem( const wxListItem &item ) { m_mask = item.m_mask; - m_text = item.m_text; - m_image = item.m_image; - m_format = item.m_format; - SetWidth(item.m_width); + 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 ) @@ -1143,7 +1228,7 @@ void wxListHeaderData::SetWidth( int w ) m_width = w; if (m_width < 0) m_width = WIDTH_COL_DEFAULT; - if (m_width < WIDTH_COL_MIN) + else if (m_width < WIDTH_COL_MIN) m_width = WIDTH_COL_MIN; } @@ -1154,7 +1239,7 @@ void wxListHeaderData::SetFormat( int format ) bool wxListHeaderData::HasImage() const { - return (m_image != 0); + return m_image != -1; } bool wxListHeaderData::IsHit( int x, int y ) const @@ -1162,7 +1247,7 @@ 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 ) +void wxListHeaderData::GetItem( wxListItem& item ) { item.m_mask = m_mask; item.m_text = m_text; @@ -1468,32 +1553,86 @@ int wxListLineData::GetImage( int index ) const return item->GetImage(); } -void wxListLineData::SetAttributes(wxDC *dc, +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); +} + +bool wxListLineData::SetAttributes(wxDC *dc, const wxListItemAttr *attr, - const wxColour& colText, - const wxFont& font, - bool highlight) + bool highlighted) { - // don't use foregroud colour for drawing highlighted items - this might + 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) - if ( !highlight && attr && attr->HasTextColour() ) + wxColour colText; + if ( highlighted ) { - dc->SetTextForeground(attr->GetTextColour()); + colText = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHTTEXT); } else { - dc->SetTextForeground(colText); + if ( attr && attr->HasTextColour() ) + { + colText = attr->GetTextColour(); + } + else + { + colText = listctrl->GetForegroundColour(); + } } + dc->SetTextForeground(colText); + + // font + wxFont font; if ( attr && attr->HasFont() ) { - dc->SetFont(attr->GetFont()); + font = attr->GetFont(); } else { - dc->SetFont(font); + 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 ) @@ -1501,6 +1640,15 @@ void wxListLineData::Draw( wxDC *dc ) wxListItemDataList::Node *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 ); + } + wxListItemData *item = node->GetData(); if (item->HasImage()) { @@ -1512,63 +1660,23 @@ void wxListLineData::Draw( wxDC *dc ) if (item->HasText()) { 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& r, + const wxRect& rect, const wxRect& rectHL, bool highlighted ) { - wxRect rect = r; - //m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y ); - - if ( !m_owner->IsExposed( rect ) ) - return; - - // use our own flag if we maintain it - if ( !IsVirtual() ) - highlighted = m_highlighted; - - // default foreground colour - wxWindow *listctrl = m_owner->GetParent(); - wxColour colText; - if ( highlighted ) - { - colText = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT ); - } - else + // 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) ) { - colText = listctrl->GetForegroundColour(); - } - - // 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(); - SetAttributes(dc, attr, colText, font, highlighted); - - bool hasBgCol = attr && attr->HasBackgroundColour(); - if ( highlighted || hasBgCol ) - { - if ( highlighted ) - { - dc->SetBrush( *m_owner->m_highlightBrush ); - } - else - { - if ( hasBgCol ) - dc->SetBrush(wxBrush(attr->GetBackgroundColour(), wxSOLID)); - else - dc->SetBrush( * wxWHITE_BRUSH ); - } - - dc->SetPen( * wxTRANSPARENT_PEN ); dc->DrawRectangle( rectHL ); } @@ -1576,37 +1684,36 @@ void wxListLineData::DrawInReportMode( wxDC *dc, wxCHECK_RET( node, _T("no subitems at all??") ); size_t col = 0; - int x = rect.x + HEADER_OFFSET_X; - - rect.y += (LINE_SPACING + EXTRA_HEIGHT) / 2; + wxCoord x = rect.x + HEADER_OFFSET_X, + y = rect.y + (LINE_SPACING + EXTRA_HEIGHT) / 2; while ( node ) { 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, x, rect.y ); + m_owner->DrawImage( item->GetImage(), dc, xOld, y ); m_owner->GetImageSize( item->GetImage(), ix, iy ); - x += ix + 5; // FIXME: what is "5"? - } - int width = m_owner->GetColumnWidth(col++); + ix += IMAGE_MARGIN_IN_REPORT_MODE; - dc->SetClippingRegion(x, rect.y, width, rect.height); + xOld += ix; + width -= ix; + } + + wxDCClipper clipper(*dc, xOld, y, width, rect.height); if ( item->HasText() ) { - dc->DrawText( item->GetText(), x, rect.y ); + dc->DrawText( item->GetText(), xOld, y ); } - dc->DestroyClippingRegion(); - - x = xOld + width; - node = node->GetNext(); } } @@ -1640,30 +1747,39 @@ BEGIN_EVENT_TABLE(wxListHeaderWindow,wxWindow) EVT_SET_FOCUS (wxListHeaderWindow::OnSetFocus) END_EVENT_TABLE() -wxListHeaderWindow::wxListHeaderWindow( void ) +void wxListHeaderWindow::Init() { - m_owner = (wxListMainWindow *) NULL; m_currentCursor = (wxCursor *) NULL; - m_resizeCursor = (wxCursor *) NULL; m_isDragging = FALSE; + m_dirty = FALSE; } -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 ) +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_currentCursor = wxSTANDARD_CURSOR; - m_currentCursor = (wxCursor *) NULL; m_resizeCursor = new wxCursor( wxCURSOR_SIZEWE ); - m_isDragging = FALSE; - m_dirty = FALSE; SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE ) ); } -wxListHeaderWindow::~wxListHeaderWindow( void ) +wxListHeaderWindow::~wxListHeaderWindow() { delete m_resizeCursor; } @@ -1769,25 +1885,53 @@ void wxListHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) int numColumns = m_owner->GetColumnCount(); wxListItem item; - for (int i = 0; i < numColumns; i++) + for ( int i = 0; i < numColumns && x < w; i++ ) { m_owner->GetColumn( i, item ); int wCol = item.m_width; - int cw = wCol - 2; // the width of the rect to draw - int xEnd = x + wCol; + // the width of the rect to draw: make it smaller to fit entirely + // inside the column rect + int cw = wCol - 2; dc.SetPen( *wxWHITE_PEN ); DoDrawRect( &dc, x, HEADER_OFFSET_Y, cw, h-2 ); - dc.SetClippingRegion( x, HEADER_OFFSET_Y, cw-5, h-4 ); - dc.DrawText( item.GetText(), x + EXTRA_WIDTH, HEADER_OFFSET_Y + EXTRA_HEIGHT ); - dc.DestroyClippingRegion(); - x += wCol; - if (xEnd > w+5) - break; + // if we have an image, draw it on the right of the label + int image = item.m_image; + if ( image != -1 ) + { + wxImageList *imageList = m_owner->m_small_image_list; + if ( imageList ) + { + int ix, iy; + imageList->GetSize(image, ix, iy); + + imageList->Draw + ( + image, + dc, + x + cw - ix - 1, + HEADER_OFFSET_Y + (h - 4 - iy)/2, + wxIMAGELIST_DRAW_TRANSPARENT + ); + + cw -= ix + 2; + } + //else: ignore the column image + } + + // 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(), + x + EXTRA_WIDTH, HEADER_OFFSET_Y + EXTRA_HEIGHT ); + + x += wCol; } + dc.EndDrawing(); } @@ -1887,20 +2031,31 @@ void wxListHeaderWindow::OnMouse( wxMouseEvent &event ) m_minX = xpos; } - if (event.LeftDown()) + if (event.LeftDown() || event.RightUp()) { - if (hit_border) + if (hit_border && event.LeftDown()) { m_isDragging = TRUE; m_currentX = x; DrawCurrent(); CaptureMouse(); } - else + else // click on a column { wxWindow *parent = GetParent(); - wxListEvent le( wxEVT_COMMAND_LIST_COL_CLICK, parent->GetId() ); + wxListEvent le( event.LeftDown() + ? wxEVT_COMMAND_LIST_COL_CLICK + : wxEVT_COMMAND_LIST_COL_RIGHT_CLICK, + parent->GetId() ); le.SetEventObject( parent ); + le.m_pointDrag = event.GetPosition(); + + // 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; parent->GetEventHandler()->ProcessEvent( le ); } @@ -2078,6 +2233,8 @@ void wxListMainWindow::Init() m_currentEdit = m_lineLastClicked = m_lineBeforeLastClicked = (size_t)-1; + + m_freezeCount = 0; } void wxListMainWindow::InitScrolling() @@ -2098,7 +2255,8 @@ wxListMainWindow::wxListMainWindow() { Init(); - m_highlightBrush = (wxBrush *) NULL; + m_highlightBrush = + m_highlightUnfocusedBrush = (wxBrush *) NULL; m_xScroll = m_yScroll = 0; @@ -2115,7 +2273,24 @@ wxListMainWindow::wxListMainWindow( wxWindow *parent, { Init(); - m_highlightBrush = new wxBrush( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT), wxSOLID ); + m_highlightBrush = new wxBrush + ( + wxSystemSettings::GetSystemColour + ( + wxSYS_COLOUR_HIGHLIGHT + ), + wxSOLID + ); + + m_highlightUnfocusedBrush = new wxBrush + ( + wxSystemSettings::GetSystemColour + ( + wxSYS_COLOUR_BTNSHADOW + ), + wxSOLID + ); + wxSize sz = size; sz.y = 25; @@ -2127,9 +2302,10 @@ wxListMainWindow::wxListMainWindow( wxWindow *parent, wxListMainWindow::~wxListMainWindow() { - DeleteEverything(); + DoDeleteAllItems(); delete m_highlightBrush; + delete m_highlightUnfocusedBrush; delete m_renameTimer; } @@ -2147,6 +2323,7 @@ void wxListMainWindow::CacheLineData(size_t line) } ld->SetImage(listctrl->OnGetItemImage(line)); + ld->SetAttr(listctrl->OnGetItemAttr(line)); } wxListLineData *wxListMainWindow::GetDummyLine() const @@ -2255,6 +2432,8 @@ wxRect wxListMainWindow::GetLineHighlightRect(size_t line) const 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) ) @@ -2291,25 +2470,37 @@ bool wxListMainWindow::IsHighlighted(size_t line) const } } -void wxListMainWindow::HighlightLines( size_t lineFrom, size_t lineTo, bool highlight ) +void wxListMainWindow::HighlightLines( size_t lineFrom, + size_t lineTo, + bool highlight ) { if ( IsVirtual() ) { - m_selStore.SelectRange(lineFrom, lineTo, highlight); - RefreshLines(lineFrom, lineTo); + 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 + else // iterate over all items in non report view { - // do it the dumb way - bool needsRefresh = FALSE; for ( size_t line = lineFrom; line <= lineTo; line++ ) { if ( HighlightLine(line, highlight) ) - needsRefresh = TRUE; + { + RefreshLine(line); + } } - - if ( needsRefresh ) - RefreshLines(lineFrom, lineTo); } } @@ -2324,7 +2515,7 @@ bool wxListMainWindow::HighlightLine( size_t line, bool highlight ) else // !virtual { wxListLineData *ld = GetLine(line); - wxCHECK_MSG( ld, FALSE, _T("invalid index in IsHighlighted") ); + wxCHECK_MSG( ld, FALSE, _T("invalid index in HighlightLine") ); changed = ld->Highlight(highlight); } @@ -2340,6 +2531,15 @@ bool wxListMainWindow::HighlightLine( size_t line, bool highlight ) 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 ); @@ -2351,6 +2551,8 @@ 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; @@ -2365,7 +2567,7 @@ void wxListMainWindow::RefreshLines( size_t lineFrom, size_t lineTo ) rect.x = 0; rect.y = GetLineY(lineFrom); rect.width = GetClientSize().x; - rect.height = GetLineY(lineTo) - rect.y; + rect.height = GetLineY(lineTo) - rect.y + GetLineHeight(); CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y ); RefreshRect( rect ); @@ -2380,15 +2582,124 @@ 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::RefreshSelected() +{ + if ( IsEmpty() ) + return; + + size_t from, to; + if ( InReportView() ) + { + GetVisibleLinesRange(&from, &to); + } + else // !virtual + { + from = 0; + to = GetItemCount() - 1; + } + + // VZ: this code would work fine if wxGTK wxWindow::Refresh() were + // reasonable, i.e. if it only generated one expose event for + // several calls to it - as it is, each Refresh() results in a + // repaint which provokes flicker too horrible to be seen + // + // when/if wxGTK is fixed, this code should be restored as normally it + // should generate _less_ flicker than the version below +#ifndef __WXGTK__ + 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); + } + } +#else // __WXGTK__ + size_t selMin = (size_t)-1, + selMax = 0; + + for ( size_t line = from; line <= to; line++ ) + { + if ( IsHighlighted(line) || (line == m_current) ) + { + if ( line < selMin ) + selMin = line; + if ( line > selMax ) + selMax = line; + } + } + + if ( selMin != (size_t)-1 ) + { + RefreshLines(selMin, selMax); + } +#endif // !__WXGTK__/__WXGTK__ +} + +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() ) + if ( IsEmpty() || m_freezeCount ) + { + // nothing to draw or not the moment to draw it + return; + } + + if ( m_dirty ) { - // empty control. nothing to draw + // delay the repainting until we calculate all the items positions return; } @@ -2407,10 +2718,35 @@ void wxListMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) 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, - GetLineRect(line), + rectLine, GetLineHighlightRect(line), IsHighlighted(line) ); } @@ -2469,15 +2805,21 @@ void wxListMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) } } - if ( HasCurrent() && m_hasFocus ) + 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__ - // no rect outline, we already have the background color -#else - dc.SetPen( *wxBLACK_PEN ); - dc.SetBrush( *wxTRANSPARENT_BRUSH ); - dc.DrawRectangle( GetLineHighlightRect(m_current) ); -#endif + 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(); @@ -2514,18 +2856,28 @@ void wxListMainWindow::SendNotify( size_t line, if ( point != wxDefaultPosition ) le.m_pointDrag = point; - GetLine(line)->GetItem( 0, le.m_item ); + // 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::OnFocusLine( size_t WXUNUSED(line) ) +void wxListMainWindow::ChangeCurrent(size_t current) { -// SendNotify( line, wxEVT_COMMAND_LIST_ITEM_FOCUSSED ); -} + m_current = current; -void wxListMainWindow::OnUnfocusLine( size_t WXUNUSED(line) ) -{ -// SendNotify( line, wxEVT_COMMAND_LIST_ITEM_UNFOCUSSED ); + SendNotify(current, wxEVT_COMMAND_LIST_ITEM_FOCUSED); } void wxListMainWindow::EditLabel( long item ) @@ -2623,7 +2975,7 @@ 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(), @@ -2632,22 +2984,30 @@ void wxListMainWindow::OnMouse( wxMouseEvent &event ) if ( HasFlag(wxLC_REPORT) ) { current = y / GetLineHeight(); - hitResult = HitTestLine(current, x, y); + 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 && !hitResult; current++ ) + for ( current = 0; current < count; current++ ) { hitResult = HitTestLine(current, x, y); + if ( hitResult ) + break; } } if (event.Dragging()) { if (m_dragCount == 0) - m_dragStart = wxPoint(x,y); + { + // 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++; @@ -2724,7 +3084,8 @@ void wxListMainWindow::OnMouse( wxMouseEvent &event ) if ( IsSingleSel() || !(event.ControlDown() || event.ShiftDown()) ) { HighlightAll( FALSE ); - m_current = current; + + ChangeCurrent(current); ReverseHighlight(m_current); } @@ -2732,13 +3093,13 @@ void wxListMainWindow::OnMouse( wxMouseEvent &event ) { if (event.ControlDown()) { - m_current = current; + ChangeCurrent(current); ReverseHighlight(m_current); } else if (event.ShiftDown()) { - m_current = current; + ChangeCurrent(current); size_t lineFrom = oldCurrent, lineTo = current; @@ -2761,8 +3122,6 @@ void wxListMainWindow::OnMouse( wxMouseEvent &event ) if (m_current != oldCurrent) { RefreshLine( oldCurrent ); - OnUnfocusLine( oldCurrent ); - OnFocusLine( m_current ); } // forceClick is only set if the previous click was on another item @@ -2770,12 +3129,12 @@ void wxListMainWindow::OnMouse( wxMouseEvent &event ) } } -void wxListMainWindow::MoveToFocus() +void wxListMainWindow::MoveToItem(size_t item) { - if ( !HasCurrent() ) + if ( item == (size_t)-1 ) return; - wxRect rect = GetLineRect(m_current); + wxRect rect = GetLineRect(item); int client_w, client_h; GetClientSize( &client_w, &client_h ); @@ -2818,7 +3177,7 @@ void wxListMainWindow::OnArrowChar(size_t newCurrent, const wxKeyEvent& event) // items anyhow if ( event.ShiftDown() && !IsSingleSel() ) { - m_current = newCurrent; + ChangeCurrent(newCurrent); // select all the items between the old and the new one if ( oldCurrent > newCurrent ) @@ -2835,7 +3194,7 @@ void wxListMainWindow::OnArrowChar(size_t newCurrent, const wxKeyEvent& event) if ( !event.ControlDown() ) HighlightAll(FALSE); - m_current = newCurrent; + ChangeCurrent(newCurrent); HighlightLine( oldCurrent, FALSE ); RefreshLine( oldCurrent ); @@ -2846,8 +3205,6 @@ void wxListMainWindow::OnArrowChar(size_t newCurrent, const wxKeyEvent& event) } } - OnUnfocusLine( oldCurrent ); - OnFocusLine( m_current ); RefreshLine( m_current ); MoveToFocus(); @@ -2906,7 +3263,8 @@ void wxListMainWindow::OnChar( wxKeyEvent &event ) nevent.SetDirection( !event.ShiftDown() ); nevent.SetEventObject( GetParent()->GetParent() ); nevent.SetCurrentFocus( m_parent ); - if (GetParent()->GetParent()->GetEventHandler()->ProcessEvent( nevent )) return; + if (GetParent()->GetParent()->GetEventHandler()->ProcessEvent( nevent )) + return; } /* no item -> nothing to do */ @@ -3006,29 +3364,22 @@ void wxListMainWindow::OnChar( wxKeyEvent &event ) case WXK_SPACE: if ( IsSingleSel() ) { - wxListEvent le( wxEVT_COMMAND_LIST_ITEM_ACTIVATED, - GetParent()->GetId() ); - le.SetEventObject( GetParent() ); - le.m_itemIndex = m_current; - GetLine(m_current)->GetItem( 0, le.m_item ); - GetParent()->GetEventHandler()->ProcessEvent( le ); - } - else - { - ReverseHighlight(m_current); + 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: - { - wxListEvent le( wxEVT_COMMAND_LIST_ITEM_ACTIVATED, - GetParent()->GetId() ); - le.SetEventObject( GetParent() ); - le.m_itemIndex = m_current; - GetLine(m_current)->GetItem( 0, le.m_item ); - GetParent()->GetEventHandler()->ProcessEvent( le ); - } + SendNotify( m_current, wxEVT_COMMAND_LIST_ITEM_ACTIVATED ); break; default: @@ -3046,12 +3397,18 @@ extern wxWindow *g_focusWindow; void wxListMainWindow::OnSetFocus( wxFocusEvent &WXUNUSED(event) ) { - m_hasFocus = TRUE; + // 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; - if ( HasCurrent() ) - RefreshLine( m_current ); + RefreshSelected(); + } - if (!GetParent()) + if ( !GetParent() ) return; #ifdef __WXGTK__ @@ -3067,8 +3424,7 @@ void wxListMainWindow::OnKillFocus( wxFocusEvent &WXUNUSED(event) ) { m_hasFocus = FALSE; - if ( HasCurrent() ) - RefreshLine( m_current ); + RefreshSelected(); } void wxListMainWindow::DrawImage( int index, wxDC *dc, int x, int y ) @@ -3205,6 +3561,9 @@ void wxListMainWindow::SetColumnWidth( int col, int width ) _T("SetColumnWidth() can only be called in report mode.") ); m_dirty = TRUE; + wxListHeaderWindow *headerWin = GetListCtrl()->m_headerWin; + if ( headerWin ) + headerWin->m_dirty = TRUE; wxListHeaderDataList::Node *node = m_columns.Item( col ); wxCHECK_RET( node, _T("no column?") ); @@ -3313,19 +3672,21 @@ 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 ); } } @@ -3335,8 +3696,9 @@ void wxListMainWindow::SetItemState( long litem, long state, long stateMask ) _T("invalid list ctrl item index in SetItem") ); size_t oldCurrent = m_current; - size_t item = (size_t)litem; // sdafe because of the check above + 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 ) @@ -3344,13 +3706,15 @@ void wxListMainWindow::SetItemState( long litem, long state, long stateMask ) // don't do anything if this item is already focused if ( item != m_current ) { - OnUnfocusLine( m_current ); - m_current = item; - OnFocusLine( m_current ); + ChangeCurrent(item); - if ( IsSingleSel() && (oldCurrent != (size_t)-1) ) + if ( oldCurrent != (size_t)-1 ) { - HighlightLine(oldCurrent, FALSE); + if ( IsSingleSel() ) + { + HighlightLine(oldCurrent, FALSE); + } + RefreshLine(oldCurrent); } @@ -3362,12 +3726,14 @@ void wxListMainWindow::SetItemState( long litem, long state, long stateMask ) // don't do anything if this item is not focused if ( item == m_current ) { - OnUnfocusLine( m_current ); - m_current = (size_t)-1; + ResetCurrent(); + + RefreshLine( oldCurrent ); } } } + // do we need to change the selection state? if ( stateMask & wxLIST_STATE_SELECTED ) { bool on = (state & wxLIST_STATE_SELECTED) != 0; @@ -3380,9 +3746,7 @@ void wxListMainWindow::SetItemState( long litem, long state, long stateMask ) // single sel mode if ( m_current != item ) { - OnUnfocusLine( m_current ); - m_current = item; - OnFocusLine( m_current ); + ChangeCurrent(item); if ( oldCurrent != (size_t)-1 ) { @@ -3451,7 +3815,10 @@ void wxListMainWindow::SetItemCount(long count) m_selStore.SetItemCount(count); m_countVirt = count; - Refresh(); + ResetVisibleLinesRange(); + + // scrollbars must be reset + m_dirty = TRUE; } int wxListMainWindow::GetSelectedItemCount() @@ -3508,11 +3875,8 @@ bool wxListMainWindow::GetItemPosition(long item, wxPoint& pos) // geometry calculation // ---------------------------------------------------------------------------- -void wxListMainWindow::RecalculatePositions() +void wxListMainWindow::RecalculatePositions(bool noRefresh) { - if ( IsEmpty() ) - return; - wxClientDC dc( this ); dc.SetFont( GetFont() ); @@ -3549,18 +3913,6 @@ void wxListMainWindow::RecalculatePositions() GetScrollPos(wxHORIZONTAL), GetScrollPos(wxVERTICAL), TRUE ); - - // FIXME: wxGTK::wxScrolledWindow doesn't have SetTargetRect() -#if !defined(__WXGTK__) || defined(__WXUNIVERSAL__) - // 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); -#endif } else // !report { @@ -3625,10 +3977,13 @@ void wxListMainWindow::RecalculatePositions() SetScrollbars( m_xScroll, m_yScroll, (entireWidth+SCROLL_UNIT_X) / m_xScroll, 0, scroll_pos, 0, TRUE ); } - // FIXME: why should we call it from here? - UpdateCurrent(); + if ( !noRefresh ) + { + // FIXME: why should we call it from here? + UpdateCurrent(); - RefreshAll(); + RefreshAll(); + } } void wxListMainWindow::RefreshAll() @@ -3637,7 +3992,7 @@ void wxListMainWindow::RefreshAll() Refresh(); wxListHeaderWindow *headerWin = GetListCtrl()->m_headerWin; - if ( headerWin ) + if ( headerWin && headerWin->m_dirty ) { headerWin->m_dirty = FALSE; headerWin->Refresh(); @@ -3648,12 +4003,7 @@ void wxListMainWindow::UpdateCurrent() { if ( !HasCurrent() && !IsEmpty() ) { - m_current = 0; - } - - if ( m_current != (size_t)-1 ) - { - OnFocusLine( m_current ); + ChangeCurrent(0); } } @@ -3709,26 +4059,26 @@ void wxListMainWindow::DeleteItem( long lindex ) size_t index = (size_t)lindex; - m_dirty = TRUE; - - // select the next item when the selected one is deleted - if ( m_current == index ) + // we don't need to adjust the index for the previous items + if ( HasCurrent() && m_current >= index ) { - // the last valid index after deleting the item will be count-2 - if ( m_current == count - 1 ) + // 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--; } } - 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); } @@ -3737,7 +4087,12 @@ void wxListMainWindow::DeleteItem( long lindex ) m_lines.RemoveAt( index ); } - RefreshLines(index, GetItemCount() - 1); + // 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 ) @@ -3750,7 +4105,7 @@ void wxListMainWindow::DeleteColumn( int col ) m_columns.DeleteNode( node ); } -void wxListMainWindow::DeleteAllItems() +void wxListMainWindow::DoDeleteAllItems() { if ( IsEmpty() ) { @@ -3758,8 +4113,6 @@ void wxListMainWindow::DeleteAllItems() return; } - m_dirty = TRUE; - ResetCurrent(); // to make the deletion of all items faster, we don't send the @@ -3775,12 +4128,22 @@ void wxListMainWindow::DeleteAllItems() { m_countVirt = 0; + m_selStore.Clear(); + } + + if ( InReportView() ) + { ResetVisibleLinesRange(); } m_lines.Clear(); +} - m_selStore.Clear(); +void wxListMainWindow::DeleteAllItems() +{ + DoDeleteAllItems(); + + RecalculatePositions(); } void wxListMainWindow::DeleteEverything() @@ -3800,14 +4163,13 @@ void wxListMainWindow::EnsureVisible( long index ) _T("invalid index in EnsureVisible") ); // 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(); + // been added and its position is not known yet + if ( m_dirty ) + { + RecalculatePositions(TRUE /* no refresh */); + } - size_t oldCurrent = m_current; - m_current = (size_t)index; - MoveToFocus(); - m_current = oldCurrent; + MoveToItem((size_t)index); } long wxListMainWindow::FindItem(long start, const wxString& str, bool WXUNUSED(partial) ) @@ -3851,18 +4213,22 @@ 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(); - flags = HitTestLine(current, x, y); - if ( flags ) - return current; + 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!! - size_t count = GetItemCount(); for ( size_t current = 0; current < count; current++ ) { flags = HitTestLine(current, x, y); @@ -3910,6 +4276,7 @@ void wxListMainWindow::InsertItem( wxListItem &item ) m_lines.Insert( line, id ); + m_dirty = TRUE; RefreshLines(id, GetItemCount() - 1); } @@ -4006,17 +4373,32 @@ void wxListMainWindow::GetVisibleLinesRange(size_t *from, size_t *to) 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 ) @@ -4031,17 +4413,9 @@ IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject) wxListItem::wxListItem() { - m_mask = 0; - m_itemId = 0; - m_col = 0; - m_state = 0; - m_stateMask = 0; - m_image = 0; - m_data = 0; - m_format = wxLIST_FORMAT_CENTRE; - m_width = 0; - m_attr = NULL; + + Clear(); } void wxListItem::Clear() @@ -4051,11 +4425,11 @@ void wxListItem::Clear() m_col = 0; m_state = 0; m_stateMask = 0; - m_image = 0; + m_image = -1; m_data = 0; m_format = wxLIST_FORMAT_CENTRE; m_width = 0; - m_text = _T(""); + m_text.clear(); ClearAttributes(); } @@ -4121,6 +4495,7 @@ void wxListEvent::CopyObject(wxObject& object_dest) const // ------------------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl) +IMPLEMENT_DYNAMIC_CLASS(wxListView, wxListCtrl) BEGIN_EVENT_TABLE(wxListCtrl,wxControl) EVT_SIZE(wxListCtrl::OnSize) @@ -4143,9 +4518,6 @@ wxListCtrl::wxListCtrl() wxListCtrl::~wxListCtrl() { - if ( m_mainWin ) - m_mainWin->ResetCurrent(); - if (m_ownsImageListNormal) delete m_imageListNormal; if (m_ownsImageListSmall) @@ -4245,36 +4617,35 @@ void wxListCtrl::SetWindowStyleFlag( long flag ) { m_mainWin->DeleteEverything(); - int width = 0; - int height = 0; - GetClientSize( &width, &height ); + // has the header visibility changed? + bool hasHeader = HasFlag(wxLC_REPORT) && !HasFlag(wxLC_NO_HEADER), + willHaveHeader = (flag & wxLC_REPORT) && !(flag & wxLC_NO_HEADER); - if (flag & wxLC_REPORT) + if ( hasHeader != willHaveHeader ) { - if (!HasFlag(wxLC_REPORT)) + // 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(); - - if (HasFlag(wxLC_NO_HEADER)) - m_headerWin->Show( FALSE ); } - else + else // already have it, just show { - if (flag & wxLC_NO_HEADER) - m_headerWin->Show( FALSE ); - else - m_headerWin->Show( TRUE ); + m_headerWin->Show( TRUE ); } } - } - else // !report - { - if ( m_mainWin->HasHeader() ) - { - m_headerWin->Show( FALSE ); - } + + ResizeReportView(willHaveHeader); } } @@ -4528,7 +4899,7 @@ bool wxListCtrl::DeleteAllColumns() { size_t count = m_mainWin->m_columns.GetCount(); for ( size_t n = 0; n < count; n++ ) - DeleteColumn(n); + DeleteColumn(0); return TRUE; } @@ -4665,10 +5036,17 @@ void wxListCtrl::OnSize(wxSizeEvent& event) if ( !m_mainWin ) return; + ResizeReportView(m_mainWin->HasHeader()); + + m_mainWin->RecalculatePositions(); +} + +void wxListCtrl::ResizeReportView(bool showHeader) +{ int cw, ch; GetClientSize( &cw, &ch ); - if ( m_mainWin->HasHeader() ) + if ( showHeader ) { m_headerWin->SetSize( 0, 0, cw, HEADER_HEIGHT ); m_mainWin->SetSize( 0, HEADER_HEIGHT + 1, cw, ch - HEADER_HEIGHT - 1 ); @@ -4677,8 +5055,6 @@ void wxListCtrl::OnSize(wxSizeEvent& event) { m_mainWin->SetSize( 0, 0, cw, ch ); } - - m_mainWin->RecalculatePositions(); } void wxListCtrl::OnIdle( wxIdleEvent & event ) @@ -4816,6 +5192,15 @@ 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") ); @@ -4823,6 +5208,24 @@ void wxListCtrl::SetItemCount(long count) m_mainWin->SetItemCount(count); } -#endif // wxUSE_LISTCTRL +void wxListCtrl::RefreshItem(long item) +{ + m_mainWin->RefreshLine(item); +} -#endif +void wxListCtrl::RefreshItems(long itemFrom, long itemTo) +{ + m_mainWin->RefreshLines(itemFrom, itemTo); +} + +void wxListCtrl::Freeze() +{ + m_mainWin->Freeze(); +} + +void wxListCtrl::Thaw() +{ + m_mainWin->Thaw(); +} + +#endif // wxUSE_LISTCTRL