diff options
Diffstat (limited to 'src/widget_type.h')
| -rw-r--r-- | src/widget_type.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/widget_type.h b/src/widget_type.h index 58c9c580b..ae30eac0b 100644 --- a/src/widget_type.h +++ b/src/widget_type.h @@ -113,6 +113,7 @@ enum WidgetType { NWID_SPACER, ///< Invisible widget that takes some space. NWID_SELECTION, ///< Stacked widgets, only one visible at a time (eg in a panel with tabs). NWID_LAYERED, ///< Widgets layered on top of each other, all visible at the same time. + NWID_VIEWPORT, ///< Nested widget containing a viewport. /* Nested widget part types. */ WPT_RESIZE, ///< Widget part for specifying resizing. @@ -471,6 +472,25 @@ private: NWidgetPIPContainer *child; ///< Child widget. }; +/** + * Nested widget to display a viewport in a window. + * After initializing the nested widget tree, call #InitializeViewport(). After changing the window size, + * call #UpdateViewportCoordinates() eg from Window::OnResize(). + * @todo Class derives from #NWidgetCore, but does not use #colour, #widget_data, or #tool_tip. + * @ingroup NestedWidgets */ +class NWidgetViewport : public NWidgetCore { +public: + NWidgetViewport(int index); + + /* virtual */ void SetupSmallestSize(Window *w, bool init_array); + /* virtual */ void StoreWidgets(Widget *widgets, int length, bool left_moving, bool top_moving, bool rtl); + /* virtual */ void Draw(const Window *w); + /* virtual */ Scrollbar *FindScrollbar(Window *w, bool allow_next = true); + + void InitializeViewport(Window *w, uint32 follow_flags, ZoomLevel zoom); + void UpdateViewportCoordinates(Window *w); +}; + /** Leaf widget. * @ingroup NestedWidgets */ class NWidgetLeaf : public NWidgetCore { |