-void wxScrolledWindow::Init()
-{
- m_xScrollPixelsPerLine = 0;
- m_yScrollPixelsPerLine = 0;
- m_xScrollingEnabled = TRUE;
- m_yScrollingEnabled = TRUE;
- m_xScrollPosition = 0;
- m_yScrollPosition = 0;
- m_xScrollLinesPerPage = 0;
- m_yScrollLinesPerPage = 0;
- m_targetWindow = (wxWindow*) NULL;
- m_scaleX = 1.0;
- m_scaleY = 1.0;
- m_hasScrolling = TRUE;
-}
-
-bool wxScrolledWindow::Create(wxWindow *parent,
- wxWindowID id,
- const wxPoint& pos,
- const wxSize& size,
- long style,
- const wxString& name)
-{
- Init();
-
- if (!PreCreation( parent, pos, size ) ||
- !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
- {
- wxFAIL_MSG( wxT("wxWindow creation failed") );
- return FALSE;
- }
-
- m_insertCallback = wxInsertChildInScrolledWindow;
-
- m_targetWindow = this;
-
- m_widget = gtk_scrolled_window_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
- GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
-
- GtkScrolledWindow *scrolledWindow = GTK_SCROLLED_WINDOW(m_widget);
-
- GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT_GET_CLASS(m_widget) );
- scroll_class->scrollbar_spacing = 0;
-
- gtk_scrolled_window_set_policy( scrolledWindow, GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
-
- m_hAdjust = gtk_range_get_adjustment( GTK_RANGE(scrolledWindow->hscrollbar) );
- m_vAdjust = gtk_range_get_adjustment( GTK_RANGE(scrolledWindow->vscrollbar) );
-
- m_wxwindow = gtk_pizza_new();
-
- gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
-
- GtkPizza *pizza = GTK_PIZZA(m_wxwindow);
-
- if (HasFlag(wxRAISED_BORDER))
- {
- gtk_pizza_set_shadow_type( pizza, GTK_MYSHADOW_OUT );
- }
- else if (HasFlag(wxSUNKEN_BORDER))
- {
- gtk_pizza_set_shadow_type( pizza, GTK_MYSHADOW_IN );
- }
- else if (HasFlag(wxSIMPLE_BORDER))
- {
- gtk_pizza_set_shadow_type( pizza, GTK_MYSHADOW_THIN );
- }
- else
- {
- gtk_pizza_set_shadow_type( pizza, GTK_MYSHADOW_NONE );
- }
-
- GTK_WIDGET_SET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
- m_acceptsFocus = TRUE;
-
- // I _really_ don't want scrollbars in the beginning
- m_vAdjust->lower = 0.0;
- m_vAdjust->upper = 1.0;
- m_vAdjust->value = 0.0;
- m_vAdjust->step_increment = 1.0;
- m_vAdjust->page_increment = 2.0;
- gtk_signal_emit_by_name( GTK_OBJECT(m_vAdjust), "changed" );
- m_hAdjust->lower = 0.0;
- m_hAdjust->upper = 1.0;
- m_hAdjust->value = 0.0;
- m_hAdjust->step_increment = 1.0;
- m_hAdjust->page_increment = 2.0;
- gtk_signal_emit_by_name( GTK_OBJECT(m_hAdjust), "changed" );
-
- // Handlers for new scrollbar values
- GtkVConnectEvent();
- GtkHConnectEvent();
-
- // these handlers block mouse events to any window during scrolling such as
- // motion events and prevent GTK and wxWidgets from fighting over where the
- // slider should be
-
- gtk_signal_connect( GTK_OBJECT(scrolledWindow->vscrollbar), "button_press_event",
- (GtkSignalFunc)gtk_scrollbar_button_press_callback, (gpointer) this );
-
- gtk_signal_connect( GTK_OBJECT(scrolledWindow->hscrollbar), "button_press_event",
- (GtkSignalFunc)gtk_scrollbar_button_press_callback, (gpointer) this );
-
- gtk_signal_connect( GTK_OBJECT(scrolledWindow->vscrollbar), "button_release_event",
- (GtkSignalFunc)gtk_scrollbar_button_release_callback, (gpointer) this );
-
- gtk_signal_connect( GTK_OBJECT(scrolledWindow->hscrollbar), "button_release_event",
- (GtkSignalFunc)gtk_scrollbar_button_release_callback, (gpointer) this );
-
- gtk_widget_show( m_wxwindow );
-
- if (m_parent)
- m_parent->DoAddChild( this );
-
- m_focusWidget = m_wxwindow;
-
- PostCreation();
-
- Show( TRUE );
-
- return TRUE;
-}
-
-// ----------------------------------------------------------------------------
-// setting scrolling parameters
-// ----------------------------------------------------------------------------
-
-void wxScrolledWindow::DoSetVirtualSize( int x, int y )
-{
- wxPanel::DoSetVirtualSize( x, y );
- AdjustScrollbars();
-
- if (GetAutoLayout())
- Layout();
-}
-
-// wxWindow's GetBestVirtualSize returns the actual window size,
-// whereas we want to return the virtual size
-wxSize wxScrolledWindow::GetBestVirtualSize() const
-{
- wxSize clientSize( GetClientSize() );
- if (GetSizer())
- {
- wxSize minSize( GetSizer()->CalcMin() );
-
- return wxSize( wxMax( clientSize.x, minSize.x ), wxMax( clientSize.y, minSize.y ) );
- }
- else
- return clientSize;
-}
-
-// return the size best suited for the current window
-// (this isn't a virtual size, this is a sensible size for the window)
-wxSize wxScrolledWindow::DoGetBestSize() const
-{
- wxSize best;
-
- if ( GetSizer() )
- {
- wxSize b = GetSizer()->GetMinSize();
-
- // Only use the content to set the window size in the direction
- // where there's no scrolling; otherwise we're going to get a huge
- // window in the direction in which scrolling is enabled
- int ppuX, ppuY;
- GetScrollPixelsPerUnit(& ppuX, & ppuY);
-
- wxSize minSize;
- if ( GetMinSize().IsFullySpecified() )
- minSize = GetMinSize();
- else
- minSize = GetSize();
-
- if (ppuX > 0)
- b.x = minSize.x;
- if (ppuY > 0)
- b.y = minSize.y;
- best = b;
- }
- else
- return wxWindow::DoGetBestSize();
-
- // Add any difference between size and client size
- wxSize diff = GetSize() - GetClientSize();
- best.x += wxMax(0, diff.x);
- best.y += wxMax(0, diff.y);
-
- return best;
-}
-
-/*
- * pixelsPerUnitX/pixelsPerUnitY: number of pixels per unit (e.g. pixels per text line)
- * noUnitsX/noUnitsY: : no. units per scrollbar
- */
-void wxScrolledWindow::SetScrollbars( int pixelsPerUnitX, int pixelsPerUnitY,
- int noUnitsX, int noUnitsY,
- int xPos, int yPos, bool noRefresh )
projects / wxWidgets.git / blobdiff