/* $Id$
This file is part of libmspgltk
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
+Copyright © 2007-2009 Mikko Rasa, Mikkosoft Productions
Distributed under the LGPL
*/
Panel::Panel(const Resources &r):
Widget(r),
+ Container(r),
pointer_focus(0),
- pointer_grab(0),
+ pointer_grabbed(false),
input_focus(0)
{
update_style();
}
-Panel::~Panel()
-{
- while(!children.empty())
- delete children.front();
-}
-
-void Panel::add(Widget &wdg)
-{
- set_parent(wdg, this);
- children.push_back(&wdg);
-}
-
-void Panel::remove(Widget &wdg)
-{
- list<Widget *>::iterator i=find(children.begin(), children.end(), &wdg);
- if(i==children.end())
- throw InvalidState("That Widget is not in this Panel");
-
- if(&wdg==pointer_focus)
- set_pointer_focus(0, 0);
- if(&wdg==input_focus)
- set_input_focus(0);
-
- set_parent(wdg, 0);
- children.erase(i);
-}
-
void Panel::raise(Widget &wdg)
{
- list<Widget *>::iterator i=find(children.begin(), children.end(), &wdg);
- if(i==children.end())
- throw InvalidState("That Widget is not in this Panel");
+ for(list<Container::Child *>::iterator i=children.begin(); i!=children.end(); ++i)
+ if((*i)->widget==&wdg)
+ {
+ children.splice(children.end(), children, i);
+ return;
+ }
- children.erase(i);
- children.push_back(&wdg);
+ throw InvalidState("That Widget is not in this Panel");
}
void Panel::button_press(int x, int y, unsigned btn)
{
- if(pointer_grab>0)
+ if(pointer_grabbed)
{
const Geometry &cgeom=pointer_focus->get_geometry();
pointer_focus->button_press(x-cgeom.x, y-cgeom.y, btn);
}
- else if(geom.is_inside_relative(x, y))
+ else
{
if(Widget *wdg=get_child_at(x, y))
{
- set_pointer_focus(wdg, btn);
+ set_pointer_focus(wdg);
set_input_focus(wdg);
-
- const Geometry &cgeom=wdg->get_geometry();
- wdg->button_press(x-cgeom.x, y-cgeom.y, btn);
}
+ Container::button_press(x, y, btn);
}
}
void Panel::button_release(int x, int y, unsigned btn)
{
- if(pointer_grab>0)
+ if(pointer_grabbed)
{
- Widget *wdg=pointer_focus;
-
- if(btn==pointer_grab)
- set_pointer_focus(get_child_at(x, y), 0);
-
- const Geometry &cgeom=wdg->get_geometry();
- wdg->button_release(x-cgeom.x, y-cgeom.y, btn);
- }
- else if(geom.is_inside_relative(x, y))
- {
- if(Widget *wdg=get_child_at(x, y))
- {
- const Geometry &cgeom=wdg->get_geometry();
- wdg->button_release(x-cgeom.x, y-cgeom.y, btn);
- }
+ const Geometry &cgeom=pointer_focus->get_geometry();
+ pointer_focus->button_release(x-cgeom.x, y-cgeom.y, btn);
}
+ else
+ Container::button_release(x, y, btn);
}
void Panel::pointer_motion(int x, int y)
{
- if(pointer_grab>0)
+ if(pointer_grabbed)
{
const Geometry &cgeom=pointer_focus->get_geometry();
pointer_focus->pointer_motion(x-cgeom.x, y-cgeom.y);
}
- else if(geom.is_inside_relative(x, y))
+ else
{
- Widget *wdg=get_child_at(x, y);
- set_pointer_focus(wdg, 0);
- if(wdg)
- {
- const Geometry &cgeom=wdg->get_geometry();
- wdg->pointer_motion(x-cgeom.x, y-cgeom.y);
- }
+ set_pointer_focus(get_child_at(x, y));
+ Container::pointer_motion(x, y);
}
}
void Panel::pointer_leave()
{
- set_pointer_focus(0, 0);
+ Container::pointer_leave();
+ set_pointer_focus(0);
}
void Panel::key_press(unsigned key, unsigned mod, wchar_t ch)
set_input_focus(0);
}
-void Panel::child_hidden(Widget &wdg)
-{
- if(&wdg==pointer_focus)
- set_pointer_focus(0, 0);
- if(&wdg==input_focus)
- set_input_focus(0);
-}
-
-void Panel::grab_pointer(Widget &wdg)
-{
- if(pointer_grab==0 || pointer_focus==&wdg)
- {
- set_pointer_focus(&wdg, 255);
- if(parent)
- parent->grab_pointer(*this);
- }
- else
- throw InvalidState("Pointer is already grabbed");
-}
-
-void Panel::ungrab_pointer(Widget &wdg)
-{
- if(pointer_focus==&wdg)
- {
- set_pointer_focus(0, 0);
- if(parent)
- parent->ungrab_pointer(*this);
- }
- else if(pointer_grab>0)
- throw Exception("Someone is trying to steal the pointer!");
-}
-
-void Panel::grab_focus(Widget &wdg)
-{
- list<Widget *>::iterator i=find(children.begin(), children.end(), &wdg);
- if(i==children.end())
- throw InvalidState("That Widget is not in this Panel");
-
- set_input_focus(&wdg);
- if(parent)
- parent->grab_focus(*this);
-}
-
void Panel::render_special(const Part &part) const
{
if(part.get_name()=="children")
{
- for(list<Widget *>::const_iterator i=children.begin(); i!=children.end(); ++i)
- if((*i)->is_visible())
- (*i)->render();
+ for(list<Container::Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
+ if((*i)->widget->is_visible())
+ (*i)->widget->render();
}
}
-void Panel::set_pointer_focus(Widget *wdg, int grab)
+Panel::Child *Panel::create_child(Widget *wdg)
{
- if(grab>0 && !wdg)
- throw InvalidParameterValue("Can't grab on null widget");
+ return new Child(*this, wdg);
+}
+void Panel::set_pointer_focus(Widget *wdg)
+{
if(wdg!=pointer_focus)
{
if(pointer_focus)
if(pointer_focus)
pointer_focus->pointer_enter();
}
-
- pointer_grab=grab;
}
void Panel::set_input_focus(Widget *wdg)
input_focus=wdg;
if(input_focus)
+ {
+ raise(*wdg);
input_focus->focus_in();
+ }
}
}
-Widget *Panel::get_child_at(int x, int y)
-{
- for(list<Widget *>::reverse_iterator i=children.rbegin(); i!=children.rend(); ++i)
- if((*i)->is_visible() && (*i)->get_geometry().is_inside(x, y))
- return *i;
-
- return 0;
-}
-
Panel::Loader::Loader(Panel &p, map<string, Widget *> &m):
Widget::Loader(p),
wdg_map[n]=p.release();
}
+
+Panel::Child::Child(Panel &p, Widget *w):
+ Container::Child(p, w)
+{
+ widget->signal_visibility_changed.connect(sigc::mem_fun(this, &Child::visibility_changed));
+ widget->signal_request_focus.connect(sigc::mem_fun(this, &Child::request_focus));
+ widget->signal_grab_pointer.connect(sigc::mem_fun(this, &Child::grab_pointer));
+ widget->signal_ungrab_pointer.connect(sigc::mem_fun(this, &Child::ungrab_pointer));
+}
+
+Panel::Child::~Child()
+{
+ visibility_changed(false);
+}
+
+void Panel::Child::visibility_changed(bool v)
+{
+ if(!v)
+ {
+ Panel &panel=static_cast<Panel &>(container);
+ if(widget==panel.pointer_focus)
+ panel.set_pointer_focus(0);
+ if(widget==panel.input_focus)
+ panel.set_input_focus(0);
+ }
+}
+
+void Panel::Child::request_focus()
+{
+ static_cast<Panel &>(container).set_input_focus(widget);
+}
+
+void Panel::Child::grab_pointer()
+{
+ Panel &panel=static_cast<Panel &>(container);
+ if(!panel.pointer_grabbed)
+ {
+ panel.set_pointer_focus(widget);
+ panel.pointer_grabbed=true;
+ panel.signal_grab_pointer.emit();
+ }
+}
+
+void Panel::Child::ungrab_pointer()
+{
+ Panel &panel=static_cast<Panel &>(container);
+ if(panel.pointer_grabbed && panel.pointer_focus==widget)
+ {
+ // XXX Should set to the widget under pointer
+ panel.set_pointer_focus(0);
+ panel.pointer_grabbed=false;
+ panel.signal_ungrab_pointer.emit();
+ }
+}
+
} // namespace GLtk
} // namespace Msp
projects / libs / gltk.git / blobdiff