- // Just update the scrollbar, don't send any wxWidgets event
- GtkVDisconnectEvent();
- gtk_signal_emit_by_name( GTK_OBJECT(m_vAdjust), "value_changed" );
- GtkVConnectEvent();
- }
-}
-
-// TODO: [VH]Scroll functions should be combined
-
-void wxScrolledWindow::GtkVScroll( float value, unsigned int scroll_type )
-{
- wxASSERT_MSG( m_targetWindow != 0, _T("No target window") );
-
- if (m_yScrollPixelsPerLine == 0)
- return;
-
- int y_pos = (int)(value+0.5);
-
- if (y_pos == m_yScrollPosition)
- return;
-
- wxEventType command = GtkScrollWinTypeToWx(scroll_type);
-
- wxScrollWinEvent event( command, y_pos, wxVERTICAL );
- event.SetEventObject( this );
- GetEventHandler()->ProcessEvent( event );
-}
-
-void wxScrolledWindow::GtkHScroll( float value, unsigned int scroll_type )
-{
- wxASSERT_MSG( m_targetWindow != 0, _T("No target window") );
-
- if (m_xScrollPixelsPerLine == 0)
- return;
-
- int x_pos = (int)(value+0.5);
-
- if (x_pos == m_xScrollPosition)
- return;
-
- wxEventType command = GtkScrollWinTypeToWx(scroll_type);
-
- wxScrollWinEvent event( command, x_pos, wxHORIZONTAL );
- event.SetEventObject( this );
- GetEventHandler()->ProcessEvent( event );
-}
-
-void wxScrolledWindow::EnableScrolling (bool x_scroll, bool y_scroll)
-{
- m_xScrollingEnabled = x_scroll;
- m_yScrollingEnabled = y_scroll;
-}
-
-// Where the current view starts from
-void wxScrolledWindow::GetViewStart (int *x, int *y) const
-{
- if ( x )
- *x = m_xScrollPosition;
- if ( y )
- *y = m_yScrollPosition;
-}
-
-void wxScrolledWindow::DoCalcScrolledPosition(int x, int y, int *xx, int *yy) const
-{
- int xs, ys;
- GetViewStart (& xs, & ys);
-
- if ( xx )
- *xx = x - xs * m_xScrollPixelsPerLine;
- if ( yy )
- *yy = y - ys * m_yScrollPixelsPerLine;
-}
-
-void wxScrolledWindow::DoCalcUnscrolledPosition(int x, int y, int *xx, int *yy) const
-{
- int xs, ys;
- GetViewStart (& xs, & ys);
-
- if ( xx )
- *xx = x + xs * m_xScrollPixelsPerLine;
- if ( yy )
- *yy = y + ys * m_yScrollPixelsPerLine;
-}
-
-int wxScrolledWindow::CalcScrollInc(wxScrollWinEvent& event)
-{
- int pos = event.GetPosition();
- int orient = event.GetOrientation();
-
- int nScrollInc = 0;
- if (event.GetEventType() == wxEVT_SCROLLWIN_TOP)
- {
- if (orient == wxHORIZONTAL)
- nScrollInc = - m_xScrollPosition;
- else
- nScrollInc = - m_yScrollPosition;
- } else
- if (event.GetEventType() == wxEVT_SCROLLWIN_BOTTOM)
- {
- if (orient == wxHORIZONTAL)
- nScrollInc = GetVirtualSize().GetWidth() / m_xScrollPixelsPerLine - m_xScrollPosition;
- else
- nScrollInc = GetVirtualSize().GetHeight() / m_yScrollPixelsPerLine - m_yScrollPosition;
- } else
- if (event.GetEventType() == wxEVT_SCROLLWIN_LINEUP)
- {
- nScrollInc = -1;
- } else
- if (event.GetEventType() == wxEVT_SCROLLWIN_LINEDOWN)
- {
- nScrollInc = 1;
- } else
- if (event.GetEventType() == wxEVT_SCROLLWIN_PAGEUP)
- {
- if (orient == wxHORIZONTAL)
- nScrollInc = -GetScrollPageSize(wxHORIZONTAL);
- else
- nScrollInc = -GetScrollPageSize(wxVERTICAL);
- } else
- if (event.GetEventType() == wxEVT_SCROLLWIN_PAGEDOWN)
- {
- if (orient == wxHORIZONTAL)
- nScrollInc = GetScrollPageSize(wxHORIZONTAL);
- else
- nScrollInc = GetScrollPageSize(wxVERTICAL);
- } else
- if ((event.GetEventType() == wxEVT_SCROLLWIN_THUMBTRACK) ||
- (event.GetEventType() == wxEVT_SCROLLWIN_THUMBRELEASE))
- {
- if (orient == wxHORIZONTAL)
- nScrollInc = pos - m_xScrollPosition;
- else
- nScrollInc = pos - m_yScrollPosition;
- }
-
- if (orient == wxHORIZONTAL)
- {
- if (m_xScrollPixelsPerLine > 0)
- {
- int max = (int)(m_hAdjust->upper - m_hAdjust->page_size + 0.5);
- if (max < 0) max = 0;
-
- if ( (m_xScrollPosition + nScrollInc) < 0 )
- nScrollInc = -m_xScrollPosition; // As -ve as we can go
- else if ( (m_xScrollPosition + nScrollInc) > max )
- nScrollInc = max - m_xScrollPosition; // As +ve as we can go
- }
- else
- m_targetWindow->Refresh();
- }
- else
- {
- if (m_yScrollPixelsPerLine > 0)
- {
- int max = (int)(m_vAdjust->upper - m_vAdjust->page_size + 0.5);
- if (max < 0) max = 0;
-
- if ( (m_yScrollPosition + nScrollInc) < 0 )
- nScrollInc = -m_yScrollPosition; // As -ve as we can go
- else if ( (m_yScrollPosition + nScrollInc) > max )
- nScrollInc = max - m_yScrollPosition; // As +ve as we can go
- }
- else
- m_targetWindow->Refresh();
- }
-
- return nScrollInc;
-}
-
-void wxScrolledWindow::SetScrollPos( int orient, int pos, bool refresh )
-{
- wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
-
- wxCHECK_RET( m_wxwindow != NULL, wxT("window needs client area for scrolling") );
-
- if (orient == wxHORIZONTAL)
- {
- int max = (int)(m_hAdjust->upper - m_hAdjust->page_size + 0.5);
- if (max < 0) max = 0;
-
- if (pos > max) pos = 0;
- if (pos < 0) pos = 0;
-
- if (pos == (int)(m_hAdjust->value+0.5)) return;
- m_hAdjust->value = pos;
- }
- else
- {
- int max = (int)(m_vAdjust->upper - m_vAdjust->page_size + 0.5);
- if (max < 0) max = 0;
-
- if (pos > max) pos = 0;
- if (pos < 0) pos = 0;
-
- if (pos == (int)(m_vAdjust->value+0.5)) return;
- m_vAdjust->value = pos;
- }
projects / wxWidgets.git / blobdiff