Move navigation logic from Container to Panel

[libs/gltk.git] / source / panel.h

diff --git a/source/panel.h b/source/panel.h
index 31be7e57c1afb530c0ef58600d69c9e31110c12b..ebe765ddcf5f541c8d661231b1957536999978a8 100644 (file)
--- a/source/panel.h
+++ b/source/panel.h
@@ -1,33 +1,83 @@
 #ifndef MSP_GLTK_PANEL_H_
 #define MSP_GLTK_PANEL_H_
 
-#include "widget.h"
+#include "container.h"
+#include "layout.h"
 
 namespace Msp {
 namespace GLtk {
 
-class Panel: public Widget
+/**
+Panels are containers for other widgets.  Panel styles should have a special
+part "children" to render the child widgets.  All properties of this part are
+ignored.
+*/
+class Panel: public Container
 {
 public:
-       Panel(const Resources &);
-       ~Panel();
+       class Loader: public DataFile::DerivedObjectLoader<Panel, Widget::Loader>
+       {
+       public:
+               typedef std::map<std::string, Widget *> WidgetMap;
+
+       protected:
+               WidgetMap &wdg_map;
+               Widget *last_widget;
+
+       public:
+               Loader(Panel &, WidgetMap &);
+       private:
+               Layout &get_layout();
+               Widget &get_last_widget();
+               template<typename T>
+               void arrangement();
+               template<typename T>
+               void child(const std::string &);
+               void constraint(Layout::ConstraintType, const std::string &);
+               void expand(bool, bool);
+               void ghost(bool);
+               void gravity(int, int);
+               void grid(unsigned);
+               void layout();
+               void panel(const std::string &);
+       };
 
-       void add(Widget &);
-       void button_press(int, int, unsigned);
-       void button_release(int, int, unsigned);
-       void pointer_motion(int, int);
 private:
-       typedef std::list<Widget *> ChildSeq;
+       template<typename T>
+       class ArrangedLoader: public DataFile::Loader
+       {
+       private:
+               typename T::Loader arr_loader;
+
+       public:
+               ArrangedLoader(Loader &, T &);
+       };
 
-       ChildSeq children;
-       Widget *pointer_focus;
-       unsigned pointer_grab;
+protected:
+       Layout *layout;
 
        Panel(const Panel &);
        Panel &operator=(const Panel &);
-       const char *get_class() const { return "panel"; }
-       void render_part(const Part &) const;
-       void set_pointer_focus(Widget *);
+public:
+       Panel();
+       virtual ~Panel();
+
+       virtual const char *get_class() const { return "panel"; }
+
+       void set_layout(Layout *);
+       Layout *get_layout() { return layout; }
+
+protected:
+       virtual void autosize_special(const Part &, Geometry &) const;
+       virtual void render_special(const Part &, GL::Renderer &) const;
+
+public:
+       virtual bool navigate(Navigation);
+
+protected:
+       virtual void on_geometry_change();
+       virtual void on_child_added(Widget &);
+       virtual void on_child_removed(Widget &);
 };
 
 } // namespace GLtk