Refactor all slider logic into the Slider class

[libs/gltk.git] / source / container.cpp

diff --git a/source/container.cpp b/source/container.cpp
index 23227331139edab708849e8a63379d78ef5835d1..28e0e2feafff2105017c61bb35dda55656cf6d0e 100644 (file)
--- a/source/container.cpp
+++ b/source/container.cpp
@@ -17,7 +17,9 @@ Container::Container():
        pointer_focus(0),
        pointer_grabbed(false),
        input_focus(0),
-       touch_focus(0)
+       saved_input_focus(0),
+       touch_focus(0),
+       children_rebuild_needed(false)
 { }
 
 Container::~Container()
@@ -32,6 +34,7 @@ void Container::add(Widget &wdg)
        children.push_back(create_child(&wdg));
        if(wdg.get_animation_interval())
                check_animation_interval();
+       children_rebuild_needed = true;
        on_child_added(wdg);
 }
 
@@ -129,7 +132,7 @@ void Container::raise(Widget &wdg)
        throw hierarchy_error("widget not in container");
 }
 
-void Container::set_pointer_focus(Widget *wdg)
+void Container::set_pointer_focus(Widget *wdg, bool grab)
 {
        if(wdg!=pointer_focus)
        {
@@ -137,10 +140,13 @@ void Container::set_pointer_focus(Widget *wdg)
                        pointer_focus->pointer_leave();
 
                pointer_focus = wdg;
+               pointer_grabbed = grab;
 
                if(pointer_focus)
                        pointer_focus->pointer_enter();
        }
+       else
+               pointer_grabbed = grab;
 }
 
 void Container::set_input_focus(Widget *wdg)
@@ -181,6 +187,18 @@ void Container::check_animation_interval()
                set_animation_interval(shortest);
 }
 
+void Container::rebuild_hierarchy()
+{
+       Widget::rebuild_hierarchy();
+
+       if(children_rebuild_needed)
+       {
+               children_rebuild_needed = false;
+               for(list<Child *>::iterator i=children.begin(); i!=children.end(); ++i)
+                       (*i)->widget->rebuild_hierarchy();
+       }
+}
+
 void Container::button_press(int x, int y, unsigned btn)
 {
        if(Widget *child = get_pointer_target(x, y, false))
@@ -220,7 +238,7 @@ void Container::pointer_motion(int x, int y)
 {
        Widget *child = get_pointer_target(x, y, false);
        if(!pointer_grabbed)
-               set_pointer_focus((!click_focus || child->get_geometry().is_inside(x, y)) ? child : 0);
+               set_pointer_focus((child && child->get_geometry().is_inside(x, y)) ? child : 0);
 
        if(child)
        {
@@ -312,8 +330,16 @@ bool Container::character(wchar_t ch)
                return false;
 }
 
+void Container::focus_in()
+{
+       if(saved_input_focus && saved_input_focus->get_parent()==this)
+               set_input_focus(saved_input_focus);
+       Widget::focus_in();
+}
+
 void Container::focus_out()
 {
+       saved_input_focus = input_focus;
        set_input_focus(0);
        Widget::focus_out();
 }
@@ -370,6 +396,7 @@ Container::Child::Child(Container &c, Widget *w):
        widget->signal_grab_pointer.connect(sigc::mem_fun(this, &Child::grab_pointer));
        widget->signal_ungrab_pointer.connect(sigc::mem_fun(this, &Child::ungrab_pointer));
        widget->signal_request_animation.connect(sigc::mem_fun(this, &Child::request_animation));
+       widget->signal_rebuild_needed.connect(sigc::mem_fun(this, &Child::rebuild_needed));
 }
 
 Container::Child::~Child()
@@ -402,8 +429,7 @@ void Container::Child::grab_pointer()
 {
        if(!container.pointer_grabbed)
        {
-               container.set_pointer_focus(widget);
-               container.pointer_grabbed = true;
+               container.set_pointer_focus(widget, true);
                container.signal_grab_pointer.emit();
        }
 }
@@ -414,7 +440,6 @@ void Container::Child::ungrab_pointer()
        {
                // XXX Should set to the widget under pointer
                container.set_pointer_focus(0);
-               container.pointer_grabbed = false;
                container.signal_ungrab_pointer.emit();
        }
 }
@@ -426,5 +451,11 @@ void Container::Child::request_animation(const Time::TimeDelta &interval)
        container.check_animation_interval();
 }
 
+void Container::Child::rebuild_needed()
+{
+       container.children_rebuild_needed = true;
+       container.signal_rebuild_needed.emit();
+}
+
 } // namespace GLtk
 } // namespace Msp