X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/13602ebd047b22e2025f1323144d5fe706cf4c50..de2ce07c7a13f9b0800c8f9e68adadebdc9aa89c:/src/generic/listctrl.cpp diff --git a/src/generic/listctrl.cpp b/src/generic/listctrl.cpp index 5bed03921d..394e27505c 100644 --- a/src/generic/listctrl.cpp +++ b/src/generic/listctrl.cpp @@ -106,9 +106,7 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_CACHE_HINT) // // 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; @@ -282,6 +280,18 @@ public: // 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] @@ -1115,96 +1125,89 @@ void wxListLineData::CalculateSize( wxDC *dc, int spacing ) wxListItemData *item = node->GetData(); + wxString s; + wxCoord lw, lh; + switch ( GetMode() ) { case wxLC_ICON: case wxLC_SMALL_ICON: - { - m_gi->m_rectAll.width = spacing; + m_gi->m_rectAll.width = spacing; - wxString s = item->GetText(); + s = item->GetText(); - wxCoord lw, lh; - 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; - } + if ( s.empty() ) + { + lh = + m_gi->m_rectLabel.width = + m_gi->m_rectLabel.height = 0; } - break; - - case wxLC_LIST: + else // has label { - wxString s = item->GetTextForMeasuring(); - - wxCoord lw,lh; 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; + } - 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 + 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->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; - } + 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 ); + lw += EXTRA_WIDTH; + lh += EXTRA_HEIGHT; - m_gi->m_rectHighlight.width = m_gi->m_rectAll.width; - m_gi->m_rectHighlight.height = m_gi->m_rectAll.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: @@ -1446,20 +1449,31 @@ void wxListLineData::Draw( wxDC *dc ) 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()) { - wxRect rectIcon = m_gi->m_rectIcon; - m_owner->DrawImage( item->GetImage(), dc, - rectIcon.x, rectIcon.y ); + // 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()) { - wxRect rectLabel = m_gi->m_rectLabel; + const wxRect& rectLabel = m_gi->m_rectLabel; wxDCClipper clipper(*dc, rectLabel); - dc->DrawText( item->GetText(), rectLabel.x, rectLabel.y ); + dc->DrawText(item->GetText(), rectLabel.x, rectLabel.y); } } @@ -2084,11 +2098,11 @@ void wxListTextCtrl::OnKillFocus( wxFocusEvent &event ) { // We must finish regardless of success, otherwise we'll get focus problems Finish(); - + if ( !AcceptChanges() ) m_owner->OnRenameCancelled( m_itemEdited ); } - + event.Skip(); } @@ -2179,7 +2193,7 @@ wxListMainWindow::wxListMainWindow( wxWindow *parent, wxSize sz = size; sz.y = 25; - SetScrollbars( SCROLL_UNIT_X, SCROLL_UNIT_Y, 0, 0, 0, 0 ); + SetScrollbars( 0, 0, 0, 0, 0, 0 ); SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_LISTBOX ) ); } @@ -2247,8 +2261,6 @@ wxListLineData *wxListMainWindow::GetDummyLine() const 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 ) { @@ -2260,9 +2272,6 @@ wxCoord wxListMainWindow::GetLineHeight() const 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; @@ -2662,7 +2671,6 @@ void wxListMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) { wxPen pen(GetRuleColour(), 1, wxSOLID); - int col = 0; wxRect firstItemRect; wxRect lastItemRect; GetItemRect(visibleFrom, firstItemRect); @@ -2670,7 +2678,7 @@ void wxListMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) int x = firstItemRect.GetX(); dc.SetPen(pen); dc.SetBrush(* wxTRANSPARENT_BRUSH); - for (col = 0; col < GetColumnCount(); col++) + for (int col = 0; col < GetColumnCount(); col++) { int colWidth = GetColumnWidth(col); x += colWidth; @@ -2814,23 +2822,13 @@ bool wxListMainWindow::OnRenameAccept(size_t itemEdit, const wxString& value) 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.SetEditCanceled(TRUE); + le.SetEventObject( GetParent() ); le.m_itemIndex = itemEdit; @@ -2841,9 +2839,6 @@ void wxListMainWindow::OnRenameCancelled(size_t itemEdit) GetEventHandler()->ProcessEvent( le ); } -#ifdef __VMS__ -# pragma message enable initnotreach -#endif void wxListMainWindow::OnMouse( wxMouseEvent &event ) { @@ -3030,8 +3025,10 @@ void wxListMainWindow::MoveToItem(size_t item) int client_w, client_h; GetClientSize( &client_w, &client_h ); + const int hLine = GetLineHeight(); + int view_x = SCROLL_UNIT_X*GetScrollPos( wxHORIZONTAL ); - int view_y = SCROLL_UNIT_Y*GetScrollPos( wxVERTICAL ); + int view_y = hLine*GetScrollPos( wxVERTICAL ); if ( HasFlag(wxLC_REPORT) ) { @@ -3040,9 +3037,9 @@ void wxListMainWindow::MoveToItem(size_t item) ResetVisibleLinesRange(); if (rect.y < view_y ) - Scroll( -1, rect.y/SCROLL_UNIT_Y ); + Scroll( -1, rect.y/hLine ); if (rect.y+rect.height+5 > view_y+client_h) - Scroll( -1, (rect.y+rect.height-client_h+SCROLL_UNIT_Y)/SCROLL_UNIT_Y ); + Scroll( -1, (rect.y+rect.height-client_h+hLine)/hLine ); } else // !report { @@ -3189,15 +3186,7 @@ void wxListMainWindow::OnChar( wxKeyEvent &event ) case WXK_PRIOR: { - int steps = 0; - if ( HasFlag(wxLC_REPORT) ) - { - steps = m_linesPerPage - 1; - } - else - { - steps = m_current % m_linesPerPage; - } + int steps = HasFlag(wxLC_REPORT) ? m_linesPerPage - 1 : m_current % m_linesPerPage; int index = m_current - steps; if (index < 0) @@ -3209,15 +3198,9 @@ void wxListMainWindow::OnChar( wxKeyEvent &event ) case WXK_NEXT: { - int steps = 0; - if ( HasFlag(wxLC_REPORT) ) - { - steps = m_linesPerPage - 1; - } - else - { - steps = m_linesPerPage - (m_current % m_linesPerPage) - 1; - } + int steps = HasFlag(wxLC_REPORT) + ? m_linesPerPage - 1 + : m_linesPerPage - (m_current % m_linesPerPage) - 1; size_t index = m_current + steps; size_t count = GetItemCount(); @@ -3304,6 +3287,14 @@ void wxListMainWindow::SetFocus() void wxListMainWindow::OnSetFocus( wxFocusEvent &WXUNUSED(event) ) { + if ( GetParent() ) + { + wxFocusEvent event( wxEVT_SET_FOCUS, GetParent()->GetId() ); + event.SetEventObject( GetParent() ); + if ( GetParent()->GetEventHandler()->ProcessEvent( event) ) + return; + } + // 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 @@ -3314,19 +3305,18 @@ void wxListMainWindow::OnSetFocus( wxFocusEvent &WXUNUSED(event) ) RefreshSelected(); } - - if ( !GetParent() ) - return; - - wxFocusEvent event( wxEVT_SET_FOCUS, GetParent()->GetId() ); - event.SetEventObject( GetParent() ); - GetParent()->GetEventHandler()->ProcessEvent( event ); } void wxListMainWindow::OnKillFocus( wxFocusEvent &WXUNUSED(event) ) { + if ( GetParent() ) + { + wxFocusEvent event( wxEVT_KILL_FOCUS, GetParent()->GetId() ); + event.SetEventObject( GetParent() ); + if ( GetParent()->GetEventHandler()->ProcessEvent( event) ) + return; + } m_hasFocus = FALSE; - RefreshSelected(); } @@ -3863,11 +3853,11 @@ void wxListMainWindow::RecalculatePositions(bool noRefresh) clientHeight; GetSize( &clientWidth, &clientHeight ); + const int lineHeight = GetLineHeight(); + 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; @@ -3892,7 +3882,10 @@ void wxListMainWindow::RecalculatePositions(bool noRefresh) int x = EXTRA_BORDER_X; int y = EXTRA_BORDER_Y; - for ( size_t i = 0; i < count; i++ ) + wxCoord widthMax = 0; + + size_t i; + for ( i = 0; i < count; i++ ) { wxListLineData *line = GetLine(i); line->CalculateSize( &dc, iconSpacing ); @@ -3902,6 +3895,9 @@ void wxListMainWindow::RecalculatePositions(bool noRefresh) if ( HasFlag(wxLC_ALIGN_TOP) ) { + if ( sizeLine.x > widthMax ) + widthMax = sizeLine.x; + y += sizeLine.y; } else // wxLC_ALIGN_LEFT @@ -3910,12 +3906,24 @@ void wxListMainWindow::RecalculatePositions(bool noRefresh) } } + 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, + lineHeight, (x + SCROLL_UNIT_X) / SCROLL_UNIT_X, - (y + SCROLL_UNIT_Y) / SCROLL_UNIT_Y, + (y + lineHeight) / lineHeight, GetScrollPos( wxHORIZONTAL ), GetScrollPos( wxVERTICAL ), TRUE @@ -3927,13 +3935,11 @@ void wxListMainWindow::RecalculatePositions(bool noRefresh) // the window, we recalculate after subtracting the space taken by the // scrollbar - int entireWidth = 0, - entireHeight = 0; + int entireWidth = 0; for (int tries = 0; tries < 2; tries++) { entireWidth = 2*EXTRA_BORDER_X; - entireHeight = 2*EXTRA_BORDER_Y; if (tries == 1) { @@ -3985,7 +3991,6 @@ void wxListMainWindow::RecalculatePositions(bool noRefresh) clientHeight -= wxSystemSettings:: GetMetric(wxSYS_HSCROLL_Y); m_linesPerPage = 0; - currentlyVisibleLines = 0; break; } @@ -3997,7 +4002,7 @@ void wxListMainWindow::RecalculatePositions(bool noRefresh) SetScrollbars ( SCROLL_UNIT_X, - SCROLL_UNIT_Y, + lineHeight, (entireWidth + SCROLL_UNIT_X) / SCROLL_UNIT_X, 0, GetScrollPos( wxHORIZONTAL ), @@ -4302,18 +4307,39 @@ void wxListMainWindow::InsertItem( wxListItem &item ) m_dirty = TRUE; + #if 0 + // this is unused variable int mode = 0; + #endif if ( HasFlag(wxLC_REPORT) ) { + #if 0 + // this is unused variable mode = wxLC_REPORT; + #endif ResetVisibleLinesRange(); } else if ( HasFlag(wxLC_LIST) ) + #if 0 + // this is unused variable mode = wxLC_LIST; + #else + {} + #endif else if ( HasFlag(wxLC_ICON) ) + #if 0 + // this is unused variable mode = wxLC_ICON; + #else + {} + #endif else if ( HasFlag(wxLC_SMALL_ICON) ) + #if 0 + // this is unused variable mode = wxLC_ICON; // no typo + #else + {} + #endif else { wxFAIL_MSG( _T("unknown mode") ); @@ -4327,6 +4353,14 @@ void wxListMainWindow::InsertItem( wxListItem &item ) m_dirty = TRUE; + // If an item is selected at or below the point of insertion, we need to + // increment the member variables because the current row's index has gone + // up by one + if ( HasCurrent() && m_current >= id ) + { + m_current++; + } + SendNotify(id, wxEVT_COMMAND_LIST_INSERT_ITEM); RefreshLines(id, GetItemCount() - 1); @@ -4511,11 +4545,24 @@ wxGenericListCtrl::~wxGenericListCtrl() void wxGenericListCtrl::CalculateAndSetHeaderHeight() { - // we use the letter "H" for calculating the needed space, basing on the current font - int w, h; - m_headerWin->GetTextExtent(wxT("H"), &w, &h); - m_headerHeight = h + 2 * HEADER_OFFSET_Y + EXTRA_HEIGHT; - m_headerWin->SetSize(m_headerWin->GetSize().x, m_headerHeight); + 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 changed + 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() @@ -4548,6 +4595,8 @@ bool wxGenericListCtrl::Create(wxWindow *parent, m_mainWin = (wxListMainWindow*) NULL; m_headerWin = (wxListHeaderWindow*) NULL; + m_headerHeight = 0; + if ( !(style & wxLC_MASK_TYPE) ) { style = style | wxLC_LIST; @@ -5110,7 +5159,7 @@ void wxGenericListCtrl::ResizeReportView(bool showHeader) void wxGenericListCtrl::OnInternalIdle() { wxWindow::OnInternalIdle(); - + // do it only if needed if ( !m_mainWin->m_dirty ) return; @@ -5245,7 +5294,8 @@ int wxGenericListCtrl::OnGetItemImage(long WXUNUSED(item)) const return -1; } -wxListItemAttr *wxGenericListCtrl::OnGetItemAttr(long item) const +wxListItemAttr * +wxGenericListCtrl::OnGetItemAttr(long WXUNUSED_UNLESS_DEBUG(item)) const { wxASSERT_MSG( item >= 0 && item < GetItemCount(), _T("invalid item index in OnGetItemAttr()") );