+/* $Id$
+
+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 "dropdown.h"
+#include "entry.h"
+#include "hslider.h"
+#include "indicator.h"
+#include "label.h"
+#include "list.h"
#include "panel.h"
#include "part.h"
+#include "table.h"
+#include "toggle.h"
+#include "vslider.h"
+
+using namespace std;
namespace Msp {
namespace GLtk {
Panel::Panel(const Resources &r):
- Widget(r)
+ Widget(r),
+ pointer_focus(0),
+ pointer_grab(0),
+ input_focus(0)
{
update_style();
}
Panel::~Panel()
{
- for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
- delete *i;
+ while(!children.empty())
+ delete children.front();
}
void Panel::add(Widget &wdg)
{
+ set_parent(wdg, this);
children.push_back(&wdg);
}
-void Panel::render_part(const Part &part) const
+void Panel::remove(Widget &wdg)
{
- if(part.get_name()=="children")
+ 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");
+
+ children.erase(i);
+ children.push_back(&wdg);
+}
+
+void Panel::button_press(int x, int y, unsigned btn)
+{
+ if(pointer_grab>0)
{
- for(ChildSeq::const_iterator i=children.begin(); i!=children.end(); ++i)
- (*i)->render();
+ 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))
+ {
+ 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);
+ }
}
+}
+
+void Panel::button_release(int x, int y, unsigned btn)
+{
+ if(pointer_grab>0)
+ {
+ 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);
+ }
+ }
+}
+
+void Panel::pointer_motion(int x, int y)
+{
+ if(pointer_grab>0)
+ {
+ 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))
+ {
+ 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);
+ }
+ }
+}
+
+void Panel::pointer_leave()
+{
+ set_pointer_focus(0, 0);
+}
+
+void Panel::key_press(unsigned key, unsigned mod, wchar_t ch)
+{
+ if(input_focus)
+ input_focus->key_press(key, mod, ch);
+}
+
+void Panel::key_release(unsigned key, unsigned mod)
+{
+ if(input_focus)
+ input_focus->key_release(key, mod);
+}
+
+void Panel::focus_out()
+{
+ set_input_focus(0);
+}
+
+void Panel::child_hidden(Widget &wdg)
+{
+ if(&wdg==pointer_focus)
+ set_pointer_focus(0, 0);
+}
+
+void Panel::grab_pointer(Widget &wdg)
+{
+ if(pointer_grab==0 || pointer_focus==&wdg)
+ set_pointer_focus(&wdg, 255);
else
- Widget::render_part(part);
+ throw InvalidState("Pointer is already grabbed");
+}
+
+void Panel::ungrab_pointer(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!");
+}
+
+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();
+ }
+}
+
+void Panel::set_pointer_focus(Widget *wdg, int grab)
+{
+ 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;
+
+ if(pointer_focus)
+ pointer_focus->pointer_enter();
+ }
+
+ pointer_grab=grab;
+}
+
+void Panel::set_input_focus(Widget *wdg)
+{
+ if(wdg!=input_focus)
+ {
+ if(input_focus)
+ input_focus->focus_out();
+
+ input_focus=wdg;
+
+ if(input_focus)
+ 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),
+ pnl(p),
+ wdg_map(m)
+{
+ add("button", &Loader::child<Button>);
+ add("dropdown", &Loader::child<Dropdown>);
+ add("entry", &Loader::child<Entry>);
+ add("hslider", &Loader::child<HSlider>);
+ add("indicator", &Loader::child<Indicator>);
+ add("label", &Loader::child<Label>);
+ add("list", &Loader::child<List>);
+ add("panel", &Loader::panel);
+ add("table", &Loader::child<Table>);
+ add("toggle", &Loader::child<Toggle>);
+ add("vslider", &Loader::child<VSlider>);
}
-void Panel::on_button_press(int x, int y, unsigned btn)
+template<typename T>
+void Panel::Loader::child(const string &n)
{
- for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
- (*i)->button_press(x-geom.x, y-geom.y, btn);
+ RefPtr<T> chl=new T(pnl.res);
+ load_sub(*chl);
+ pnl.add(*chl.get());
+ wdg_map[n]=chl.release();
}
-void Panel::on_button_release(int x, int y, unsigned btn)
+void Panel::Loader::panel(const string &n)
{
- for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
- (*i)->button_release(x-geom.x, y-geom.y, btn);
+ RefPtr<Panel> p=new Panel(pnl.res);
+ load_sub(*p, wdg_map);
+ pnl.add(*p.get());
+ wdg_map[n]=p.release();
}
} // namespace GLtk