-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
#include <algorithm>
#include <msp/core/refptr.h>
#include "button.h"
#include "hslider.h"
#include "indicator.h"
#include "label.h"
+#include "layout.h"
#include "list.h"
#include "panel.h"
#include "part.h"
namespace Msp {
namespace GLtk {
-Panel::Panel(const Resources &r):
- Widget(r),
+Panel::Panel():
+ layout(0),
pointer_focus(0),
- pointer_grab(0),
+ pointer_grabbed(false),
input_focus(0)
+{ }
+
+Panel::~Panel()
{
- update_style();
+ delete layout;
+ layout = 0;
}
-Panel::~Panel()
+void Panel::set_layout(Layout *l)
{
- while(!children.empty())
- delete children.front();
+ l->set_container(*this);
+ delete layout;
+ layout = l;
}
-void Panel::add(Widget &wdg)
+void Panel::autosize()
{
- set_parent(wdg, this);
- children.push_back(&wdg);
+ if(layout)
+ layout->autosize();
}
-void Panel::remove(Widget &wdg)
+Panel::Child *Panel::create_child(Widget *wdg)
{
- ChildSeq::iterator i=find(children.begin(), children.end(), &wdg);
- if(i!=children.end())
- {
- if(&wdg==pointer_focus)
- set_pointer_focus(0, 0);
- if(&wdg==input_focus)
- set_input_focus(0);
+ return new Child(*this, wdg);
+}
- set_parent(wdg, 0);
- children.erase(i);
+void Panel::raise(Widget &wdg)
+{
+ for(list<Container::Child *>::iterator i=children.begin(); i!=children.end(); ++i)
+ if((*i)->widget==&wdg)
+ {
+ children.splice(children.end(), children, i);
+ return;
+ }
+
+ throw hierarchy_error("widget not in panel");
+}
+
+Widget *Panel::get_final_input_focus() const
+{
+ if(Panel *panel = dynamic_cast<Panel *>(input_focus))
+ {
+ Widget *focus = panel->get_final_input_focus();
+ if(focus)
+ return focus;
}
+ return input_focus;
}
-void Panel::raise(Widget &wdg)
+void Panel::render_special(const Part &part) const
{
- ChildSeq::iterator i=find(children.begin(), children.end(), &wdg);
- if(i!=children.end())
+ if(part.get_name()=="children")
{
- children.erase(i);
- children.push_back(&wdg);
+ for(list<Container::Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
+ if((*i)->widget->is_visible())
+ (*i)->widget->render();
}
}
void Panel::button_press(int x, int y, unsigned btn)
{
- if(pointer_grab>0)
+ if(pointer_grabbed)
{
- const Geometry &cgeom=pointer_focus->get_geometry();
+ 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))
+ if(Widget *wdg = get_child_at(x, y))
{
- set_pointer_focus(wdg, btn);
- set_input_focus(wdg);
-
- const Geometry &cgeom=wdg->get_geometry();
- wdg->button_press(x-cgeom.x, y-cgeom.y, btn);
+ set_pointer_focus(wdg);
+ if(wdg->is_focusable())
+ set_input_focus(wdg);
}
+ Container::button_press(x, y, btn);
}
}
void Panel::button_release(int x, int y, unsigned btn)
{
- if(pointer_grab>0)
+ if(pointer_grabbed)
{
- const Geometry &cgeom=pointer_focus->get_geometry();
+ const Geometry &cgeom = pointer_focus->get_geometry();
pointer_focus->button_release(x-cgeom.x, y-cgeom.y, btn);
-
- if(btn==pointer_grab)
- set_pointer_focus(get_child_at(x, y), 0);
- }
- 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);
- }
}
+ 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();
+ 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)
+void Panel::key_press(unsigned key, unsigned mod)
{
if(input_focus)
- input_focus->key_press(key, mod, ch);
+ input_focus->key_press(key, mod);
}
void Panel::key_release(unsigned key, unsigned mod)
input_focus->key_release(key, mod);
}
-void Panel::focus_out()
+void Panel::character(wchar_t ch)
{
- set_input_focus(0);
+ if(input_focus)
+ input_focus->character(ch);
}
-void Panel::child_hidden(Widget &wdg)
+void Panel::focus_out()
{
- if(&wdg==pointer_focus)
- set_pointer_focus(0, 0);
+ set_input_focus(0);
+ Widget::focus_out();
}
-void Panel::grab_pointer(Widget &wdg)
+void Panel::on_geometry_change()
{
- if(pointer_grab==0 || pointer_focus==&wdg)
- set_pointer_focus(&wdg, 255);
- else
- throw InvalidState("Pointer is already grabbed");
+ if(layout)
+ layout->update();
}
-void Panel::ungrab_pointer(Widget &wdg)
+void Panel::on_child_added(Widget &wdg)
{
- if(pointer_focus==&wdg)
- set_pointer_focus(0, 0);
- else if(pointer_grab>0)
- throw Exception("Someone is trying to steal the pointer!");
+ if(layout)
+ {
+ layout->add_widget(wdg);
+ signal_autosize_changed.emit();
+ }
}
-void Panel::render_special(const Part &part) const
+void Panel::on_child_removed(Widget &wdg)
{
- if(part.get_name()=="children")
+ if(layout)
{
- for(ChildSeq::const_iterator i=children.begin(); i!=children.end(); ++i)
- if((*i)->is_visible())
- (*i)->render();
+ layout->remove_widget(wdg);
+ signal_autosize_changed.emit();
}
}
-void Panel::set_pointer_focus(Widget *wdg, int grab)
+void Panel::set_pointer_focus(Widget *wdg)
{
- if(grab>0 && !wdg)
- throw InvalidParameterValue("Can't grab on null widget");
-
if(wdg!=pointer_focus)
{
if(pointer_focus)
pointer_focus->pointer_leave();
- pointer_focus=wdg;
+ pointer_focus = wdg;
if(pointer_focus)
pointer_focus->pointer_enter();
}
-
- pointer_grab=grab;
}
void Panel::set_input_focus(Widget *wdg)
if(input_focus)
input_focus->focus_out();
- input_focus=wdg;
+ input_focus = wdg;
if(input_focus)
+ {
+ raise(*wdg);
input_focus->focus_in();
+ }
}
}
-Widget *Panel::get_child_at(int x, int y)
-{
- for(ChildSeq::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),
template<typename T>
void Panel::Loader::child(const string &n)
{
- RefPtr<T> chl=new T(pnl.res);
+ RefPtr<T> chl = new T();
load_sub(*chl);
pnl.add(*chl.get());
- wdg_map[n]=chl.release();
+ wdg_map[n] = chl.release();
}
void Panel::Loader::panel(const string &n)
{
- RefPtr<Panel> p=new Panel(pnl.res);
+ RefPtr<Panel> p = new Panel();
load_sub(*p, wdg_map);
pnl.add(*p.get());
- wdg_map[n]=p.release();
+ 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::autosize_changed()
+{
+ Panel &panel = static_cast<Panel &>(container);
+ if(panel.layout)
+ panel.layout->update();
+}
+
+void Panel::Child::request_focus()
+{
+ Panel &panel = static_cast<Panel &>(container);
+ panel.set_input_focus(widget);
+ if(panel.parent && panel.visible)
+ panel.set_focus();
+}
+
+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