-void wxHVScrolledWindow::RefreshRow(size_t row)
-{
- // is this line visible?
- if ( !IsRowVisible(row) )
- {
- // no, it is useless to do anything
- return;
- }
-
- // calculate the rect occupied by this line on screen
- wxRect rect;
- rect.width = GetClientSize().x;
- rect.height = OnGetRowHeight(row);
- for ( size_t n = GetVisibleRowsBegin(); n < row; n++ )
- {
- rect.y += OnGetRowHeight(n);
- }
-
- // do refresh it
- RefreshRect(rect);
-}
-
-void wxHVScrolledWindow::RefreshRowColumn(size_t row, size_t column)
-{
- // is this line visible?
- if ( !IsRowVisible(row) || !IsColumnVisible(column) )
- {
- // no, it is useless to do anything
- return;
- }
-
- // calculate the rect occupied by this cell on screen
- wxRect rect;
- rect.height = OnGetRowHeight(row);
- rect.width = OnGetColumnWidth(column);
-
- size_t n;
-
- for ( n = GetVisibleRowsBegin(); n < row; n++ )
- {
- rect.y += OnGetRowHeight(n);
- }
-
- for ( n = GetVisibleColumnsBegin(); n < column; n++ )
- {
- rect.x += OnGetColumnWidth(n);
- }
-
- // do refresh it
- RefreshRect(rect);
-}
-
-void wxHVScrolledWindow::RefreshRows(size_t from, size_t to)
-{
- wxASSERT_MSG( from <= to, _T("RefreshRows(): empty range") );
-
- // clump the range to just the visible lines -- it is useless to refresh
- // the other ones
- if ( from < GetVisibleRowsBegin() )
- from = GetVisibleRowsBegin();
-
- if ( to > GetVisibleRowsEnd() )
- to = GetVisibleRowsEnd();
-
- // calculate the rect occupied by these lines on screen
- wxRect rect;
- rect.width = GetClientSize().x;
- for ( size_t nBefore = GetVisibleRowsBegin();
- nBefore < from;
- nBefore++ )
- {
- rect.y += OnGetRowHeight(nBefore);
- }
-
- for ( size_t nBetween = from; nBetween <= to; nBetween++ )
- {
- rect.height += OnGetRowHeight(nBetween);
- }
-
- // do refresh it
- RefreshRect(rect);
-}
-
-void wxHVScrolledWindow::RefreshColumns(size_t from, size_t to)
-{
- wxASSERT_MSG( from <= to, _T("RefreshColumns(): empty range") );
-
- // clump the range to just the visible lines -- it is useless to refresh
- // the other ones
- if ( from < GetVisibleColumnsBegin() )
- from = GetVisibleColumnsBegin();
-
- if ( to > GetVisibleColumnsEnd() )
- to = GetVisibleColumnsEnd();
-
- // calculate the rect occupied by these lines on screen
- wxRect rect;
- rect.height = GetClientSize().y;
- for ( size_t nBefore = GetVisibleColumnsBegin();
- nBefore < from;
- nBefore++ )
- {
- rect.x += OnGetColumnWidth(nBefore);
- }
-
- for ( size_t nBetween = from; nBetween <= to; nBetween++ )
- {
- rect.width += OnGetColumnWidth(nBetween);
- }
-
- // do refresh it
- RefreshRect(rect);
-}
-
-void wxHVScrolledWindow::RefreshRowsColumns(size_t fromRow, size_t toRow,
- size_t fromColumn, size_t toColumn)
-{
- wxASSERT_MSG( fromRow <= toRow || fromColumn <= toColumn,
- _T("RefreshRowsColumns(): empty range") );
-
- // clump the range to just the visible lines -- it is useless to refresh
- // the other ones
- if ( fromRow < GetVisibleRowsBegin() )
- fromRow = GetVisibleRowsBegin();
-
- if ( toRow > GetVisibleRowsEnd() )
- toRow = GetVisibleRowsEnd();
-
- if ( fromColumn < GetVisibleColumnsBegin() )
- fromColumn = GetVisibleColumnsBegin();
-
- if ( toColumn > GetVisibleColumnsEnd() )
- toColumn = GetVisibleColumnsEnd();
-
- // calculate the rect occupied by these lines on screen
- wxRect rect;
- size_t nBefore, nBetween;
-
- for ( nBefore = GetVisibleRowsBegin();
- nBefore < fromRow;
- nBefore++ )
- {
- rect.y += OnGetRowHeight(nBefore);
- }
-
- for ( nBetween = fromRow; nBetween <= toRow; nBetween++ )
- {
- rect.height += OnGetRowHeight(nBetween);
- }
-
- for ( nBefore = GetVisibleColumnsBegin();
- nBefore < fromColumn;
- nBefore++ )
- {
- rect.x += OnGetColumnWidth(nBefore);
- }
-
- for ( nBetween = fromColumn; nBetween <= toColumn; nBetween++ )
- {
- rect.width += OnGetColumnWidth(nBetween);
- }
-
- // do refresh it
- RefreshRect(rect);
-}
-
-void wxHVScrolledWindow::RefreshAll()
-{
- UpdateScrollbars();
-
- Refresh();
-}
-
-bool wxHVScrolledWindow::Layout()
-{
- if(GetSizer() && m_physicalScrolling)
- {
- // adjust the sizer dimensions/position taking into account the
- // virtual size and scrolled position of the window.
-
- int x, y, w, h;
-
- y = -GetRowsHeight(0, GetVisibleRowsBegin());
- x = -GetColumnsWidth(0, GetVisibleColumnsBegin());
- GetVirtualSize(&w, &h);
- GetSizer()->SetDimension(x, y, w, h);
- return true;
- }
-
- // fall back to default for LayoutConstraints
- return wxPanel::Layout();
-}
-
-wxPoint wxHVScrolledWindow::HitTest(wxCoord x, wxCoord y) const
-{
- const size_t rowMax = GetVisibleRowsEnd();
- const size_t columnMax = GetVisibleColumnsEnd();
-
- wxPoint hit(wxNOT_FOUND, wxNOT_FOUND);
- for ( size_t row = GetVisibleRowsBegin();
- row <= rowMax;
- row++ )
- {
- y -= OnGetRowHeight(row);
- if ( y < 0 )
- hit.y = row;
- }
-
- for ( size_t column = GetVisibleColumnsBegin();
- column <= columnMax;
- column++ )
- {
- x -= OnGetColumnWidth(column);
- if ( x < 0 )
- hit.x = column;
- }
-
- return hit;
-}
-
-// ----------------------------------------------------------------------------
-// scrolling
-// ----------------------------------------------------------------------------
-
-bool wxHVScrolledWindow::ScrollToRowColumn(size_t row, size_t column)
-{
- if ( !m_rowsMax && !m_columnsMax )
- {
- // we're empty, code below doesn't make sense in this case
- return false;
- }
-
- bool scrolled = false;
- scrolled |= ScrollToRow(row);
- scrolled |= ScrollToColumn(column);
-
- return scrolled;
-}
-
-bool wxHVScrolledWindow::ScrollToRow(size_t row)
-{
- if ( !m_rowsMax )
- {
- // we're empty, code below doesn't make sense in this case
- return false;
- }
-
- // determine the real first line to scroll to: we shouldn't scroll beyond
- // the end
- size_t lineFirstLast = FindFirstFromBottom(m_rowsMax - 1, true);
- if ( row > lineFirstLast )
- row = lineFirstLast;
-
- // anything to do?
- if ( row == m_rowsFirst )
- {
- // no
- return false;
- }
-
-
- // remember the currently shown lines for the refresh code below
- size_t lineFirstOld = GetVisibleRowsBegin();
-
- m_rowsFirst = row;
-
-
- // the size of scrollbar thumb could have changed
- UpdateScrollbars();
-
-
- // finally, scroll the actual window contents vertically
- if(m_physicalScrolling)
- ScrollWindow(0, GetRowsHeight(GetVisibleRowsBegin(), lineFirstOld));
-
- return true;
-}
-
-bool wxHVScrolledWindow::ScrollToColumn(size_t column)
-{
- if ( !m_columnsMax )
- {
- // we're empty, code below doesn't make sense in this case
- return false;
- }
-
- // determine the real first line to scroll to: we shouldn't scroll beyond
- // the end
- size_t lineFirstLast = FindFirstFromRight(m_columnsMax - 1, true);
- if ( column > lineFirstLast )
- column = lineFirstLast;
-
- // anything to do?
- if ( column == m_columnsFirst )
- {
- // no
- return false;
- }
-
-
- // remember the currently shown lines for the refresh code below
- size_t lineFirstOld = GetVisibleColumnsBegin();
-
- m_columnsFirst = column;
-
-
- // the size of scrollbar thumb could have changed
- UpdateScrollbars();
-
- // finally, scroll the actual window contents horizontally
- if(m_physicalScrolling)
- ScrollWindow(GetColumnsWidth(GetVisibleColumnsBegin(), lineFirstOld), 0);
-
- return true;
-}
-
-bool wxHVScrolledWindow::ScrollRows(int rows)
-{
- rows += m_rowsFirst;
- if ( rows < 0 )
- rows = 0;
-
- return ScrollToRow(rows);
-}
-
-bool wxHVScrolledWindow::ScrollColumns(int columns)
-{
- columns += m_columnsFirst;
- if ( columns < 0 )
- columns = 0;
-
- return ScrollToColumn(columns);
-}
-
-bool wxHVScrolledWindow::ScrollRowsColumns(int rows, int columns)
-{
- rows += m_rowsFirst;
- if ( rows < 0 )
- rows = 0;
-
- columns += m_columnsFirst;
- if ( columns < 0 )
- columns = 0;
-
- return ScrollToRowColumn(rows, columns);
-}
-
-bool wxHVScrolledWindow::ScrollRowPages(int pages)
-{
- bool didSomething = false;
-
- while ( pages )
- {
- int line;
- if ( pages > 0 )
- {
- line = GetVisibleRowsEnd();
- if ( line )
- line--;
- pages--;
- }
- else // pages < 0
- {
- line = FindFirstFromBottom(GetVisibleRowsEnd());
- pages++;
- }
-
- didSomething = ScrollToRow(line);
- }
-
- return didSomething;
-}
-
-bool wxHVScrolledWindow::ScrollColumnPages(int pages)
-{
- bool didSomething = false;
-
- while ( pages )
- {
- int line;
- if ( pages > 0 )
- {
- line = GetVisibleColumnsEnd();
- if ( line )
- line--;
- pages--;
- }
- else // pages < 0
- {
- line = FindFirstFromRight(GetVisibleColumnsEnd());
- pages++;
- }
-
- didSomething = ScrollToColumn(line);
- }
-
- return didSomething;
-}
-
-bool wxHVScrolledWindow::ScrollPages(int rowPages, int columnPages)
-{
- bool didSomething = false;
-
- while ( rowPages )
- {
- int line;
- if ( rowPages > 0 )
- {
- line = GetVisibleRowsEnd();
- if ( line )
- line--;
- rowPages--;
- }
- else // rowPages < 0
- {
- line = FindFirstFromBottom(GetVisibleRowsBegin());
- rowPages++;
- }
-
- didSomething = ScrollToRow(line);
- }
-
- while ( columnPages )
- {
- int line;
- if ( columnPages > 0 )
- {
- line = GetVisibleColumnsEnd();
- if ( line )
- line--;
- columnPages--;
- }
- else // columnPages < 0
- {
- line = FindFirstFromRight(GetVisibleColumnsBegin());
- columnPages++;
- }
-
- didSomething |= ScrollToColumn(line);
- }
-
- return didSomething;
-}
-
-// ----------------------------------------------------------------------------
-// event handling
-// ----------------------------------------------------------------------------
-
-void wxHVScrolledWindow::OnSize(wxSizeEvent& event)
-{
- UpdateScrollbars();
- Layout();
-
- event.Skip();
-}
-
-void wxHVScrolledWindow::OnScroll(wxScrollWinEvent& event)
-{
- if(event.GetOrientation() == wxHORIZONTAL)
- {
- size_t columnsFirstNew;
- const wxEventType evtType = event.GetEventType();
-
- if ( evtType == wxEVT_SCROLLWIN_TOP )
- {
- columnsFirstNew = 0;
- }
- else if ( evtType == wxEVT_SCROLLWIN_BOTTOM )
- {
- columnsFirstNew = m_columnsMax;
- }
- else if ( evtType == wxEVT_SCROLLWIN_LINEUP )
- {
- columnsFirstNew = m_columnsFirst ? m_columnsFirst - 1 : 0;
- }
- else if ( evtType == wxEVT_SCROLLWIN_LINEDOWN )
- {
- columnsFirstNew = m_columnsFirst + 1;
- }
- else if ( evtType == wxEVT_SCROLLWIN_PAGEUP )
- {
- columnsFirstNew = FindFirstFromRight(m_columnsFirst);
- }
- else if ( evtType == wxEVT_SCROLLWIN_PAGEDOWN )
- {
- columnsFirstNew = GetVisibleColumnsEnd();
- if ( columnsFirstNew )
- columnsFirstNew--;
- }
- else if ( evtType == wxEVT_SCROLLWIN_THUMBRELEASE )
- {
- columnsFirstNew = event.GetPosition();
- }
- else if ( evtType == wxEVT_SCROLLWIN_THUMBTRACK )
- {
- columnsFirstNew = event.GetPosition();
- }
-
- else // unknown scroll event?
- {
- wxFAIL_MSG( _T("unknown scroll event type?") );
- return;
- }
-
- ScrollToColumn(columnsFirstNew);
- }
- else if(event.GetOrientation() == wxVERTICAL)
- {
- size_t rowsFirstNew;
- const wxEventType evtType = event.GetEventType();
-
- if ( evtType == wxEVT_SCROLLWIN_TOP )
- {
- rowsFirstNew = 0;
- }
- else if ( evtType == wxEVT_SCROLLWIN_BOTTOM )
- {
- rowsFirstNew = m_rowsMax;
- }
- else if ( evtType == wxEVT_SCROLLWIN_LINEUP )
- {
- rowsFirstNew = m_rowsFirst ? m_rowsFirst - 1 : 0;
- }
- else if ( evtType == wxEVT_SCROLLWIN_LINEDOWN )
- {
- rowsFirstNew = m_rowsFirst + 1;
- }
- else if ( evtType == wxEVT_SCROLLWIN_PAGEUP )
- {
- rowsFirstNew = FindFirstFromBottom(m_rowsFirst);
- }
- else if ( evtType == wxEVT_SCROLLWIN_PAGEDOWN )
- {
- rowsFirstNew = GetVisibleRowsEnd();
- if ( rowsFirstNew )
- rowsFirstNew--;
- }
- else if ( evtType == wxEVT_SCROLLWIN_THUMBRELEASE )
- {
- rowsFirstNew = event.GetPosition();
- }
- else if ( evtType == wxEVT_SCROLLWIN_THUMBTRACK )
- {
- rowsFirstNew = event.GetPosition();
- }
-
- else // unknown scroll event?
- {
- wxFAIL_MSG( _T("unknown scroll event type?") );
- return;
- }
-
- ScrollToRow(rowsFirstNew);
- }
-
-
-#ifdef __WXMAC__
- Update();
-#endif // __WXMAC__
-}
-
-#if wxUSE_MOUSEWHEEL
-
-void wxHVScrolledWindow::OnMouseWheel(wxMouseEvent& event)
-{
- m_sumWheelRotation += event.GetWheelRotation();
- int delta = event.GetWheelDelta();
-
- // how much to scroll this time
- int units_to_scroll = -(m_sumWheelRotation/delta);
- if ( !units_to_scroll )
- return;
-
- m_sumWheelRotation += units_to_scroll*delta;
-
- if ( !event.IsPageScroll() )
- ScrollRows( units_to_scroll*event.GetLinesPerAction() );
- else
- // scroll pages instead of lines
- ScrollRowPages( units_to_scroll );
-}
-
-#endif
projects / wxWidgets.git / blobdiff