X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fpanel.cpp;h=7e34c5947a7c7f4e0f93822eac08707c0ba3f104;hb=ae62c05fe97d341c4f219656cdce7aadf321991b;hp=14e9b6ea8cc3dbf97b9c57f4f673df53870bacc2;hpb=8a0058b5b90bb7e9eacf1646142f4d73b426fd66;p=libs%2Fgltk.git

diff --git a/source/panel.cpp b/source/panel.cpp
index 14e9b6e..7e34c59 100644
--- a/source/panel.cpp
+++ b/source/panel.cpp
@@ -1,22 +1,21 @@
-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2007-2009  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #include <algorithm>
+#include <msp/core/maputils.h>
 #include <msp/core/refptr.h>
 #include "button.h"
+#include "column.h"
+#include "draghandle.h"
 #include "dropdown.h"
 #include "entry.h"
+#include "grid.h"
 #include "hslider.h"
+#include "image.h"
 #include "indicator.h"
 #include "label.h"
 #include "list.h"
 #include "panel.h"
 #include "part.h"
-#include "table.h"
+#include "row.h"
+#include "stack.h"
 #include "toggle.h"
 #include "vslider.h"
 
@@ -25,229 +24,241 @@ using namespace std;
 namespace Msp {
 namespace GLtk {
 
-Panel::Panel(const Resources &r):
-	Widget(r),
-	Container(r),
-	pointer_focus(0),
-	pointer_grabbed(false),
-	input_focus(0)
+Panel::Panel():
+	layout(0)
 {
-	update_style();
+	input_type = INPUT_NAVIGATION;
 }
 
-void Panel::raise(Widget &wdg)
+Panel::~Panel()
 {
-	for(list<Container::Child *>::iterator i=children.begin(); i!=children.end(); ++i)
-		if((*i)->widget==&wdg)
-		{
-			children.splice(children.end(), children, i);
-			return;
-		}
-
-	throw InvalidState("That Widget is not in this Panel");
+	delete layout;
+	layout = 0;
 }
 
-void Panel::button_press(int x, int y, unsigned btn)
+void Panel::set_layout(Layout *l)
 {
-	if(pointer_grabbed)
-	{
-		const Geometry &cgeom=pointer_focus->get_geometry();
-		pointer_focus->button_press(x-cgeom.x, y-cgeom.y, btn);
-	}
-	else
-	{
-		if(Widget *wdg=get_child_at(x, y))
-		{
-			set_pointer_focus(wdg);
-			set_input_focus(wdg);
-		}
-		Container::button_press(x, y, btn);
-	}
+	l->set_container(*this);
+	delete layout;
+	layout = l;
 }
 
-void Panel::button_release(int x, int y, unsigned btn)
+void Panel::autosize_special(const Part &part, Geometry &ageom) const
 {
-	if(pointer_grabbed)
-	{
-		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);
+	if(part.get_name()=="children" && layout)
+		layout->autosize(ageom);
 }
 
-void Panel::pointer_motion(int x, int y)
+void Panel::render_special(const Part &part, GL::Renderer &renderer) const
 {
-	if(pointer_grabbed)
-	{
-		const Geometry &cgeom=pointer_focus->get_geometry();
-		pointer_focus->pointer_motion(x-cgeom.x, y-cgeom.y);
-	}
-	else
+	if(part.get_name()=="children")
 	{
-		set_pointer_focus(get_child_at(x, y));
-		Container::pointer_motion(x, y);
+		for(list<Container::Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
+			if((*i)->widget->is_visible())
+				(*i)->widget->render(renderer);
 	}
 }
 
-void Panel::pointer_leave()
-{
-	Container::pointer_leave();
-	set_pointer_focus(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)
+bool Panel::navigate(Navigation nav)
 {
-	if(input_focus)
-		input_focus->key_release(key, mod);
-}
+	if(Container::navigate(nav))
+		return true;
 
-void Panel::focus_out()
-{
-	set_input_focus(0);
-}
-
-void Panel::render_special(const Part &part) const
-{
-	if(part.get_name()=="children")
+	if(nav==NAV_UP || nav==NAV_DOWN || nav==NAV_LEFT || nav==NAV_RIGHT)
 	{
-		for(list<Container::Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
-			if((*i)->widget->is_visible())
-				(*i)->widget->render();
+		int x = geom.w/2;
+		int y = geom.h/2;
+		if(input_focus)
+		{
+			const Geometry &fgeom = input_focus->get_geometry();
+			x = fgeom.x+fgeom.w/2;
+			y = fgeom.y+fgeom.h/2;
+		}
+		else if(nav==NAV_UP)
+			y = 0;
+		else if(nav==NAV_DOWN)
+			y = geom.h;
+		else if(nav==NAV_RIGHT)
+			x = 0;
+		else if(nav==NAV_LEFT)
+			x = geom.w;
+
+		Widget *sibling = 0;
+		int best_score = 0;
+		for(list<Child *>::const_iterator i=children.begin(); i!=children.end(); ++i)
+		{
+			if((*i)->widget==input_focus || !(*i)->widget->is_focusable())
+				continue;
+
+			const Geometry &cgeom = (*i)->widget->get_geometry();
+			int dx = cgeom.x+cgeom.w/2-x;
+			int dy = cgeom.y+cgeom.h/2-y;
+
+			int score = -1;
+			if(nav==NAV_UP && dy>0)
+				score = dy+abs(dx)*4;
+			else if(nav==NAV_DOWN && dy<0)
+				score = -dy+abs(dx)*4;
+			else if(nav==NAV_RIGHT && dx>0)
+				score = dx+abs(dy)*4;
+			else if(nav==NAV_LEFT && dx<0)
+				score = -dx+abs(dy)*4;
+
+			if(score>0 && (!sibling || score<best_score))
+			{
+				sibling = (*i)->widget;
+				best_score = score;
+			}
+		}
+
+		if(sibling)
+		{
+			set_input_focus(sibling);
+			if(Panel *panel = dynamic_cast<Panel *>(sibling))
+				panel->navigate(nav);
+			return true;
+		}
 	}
+
+	return false;
 }
 
-Panel::Child *Panel::create_child(Widget *wdg)
+void Panel::on_geometry_change()
 {
-	return new Child(*this, wdg);
+	if(layout)
+		layout->update();
 }
 
-void Panel::set_pointer_focus(Widget *wdg)
+void Panel::on_child_added(Widget &wdg)
 {
-	if(wdg!=pointer_focus)
+	if(layout)
 	{
-		if(pointer_focus)
-			pointer_focus->pointer_leave();
-
-		pointer_focus=wdg;
-
-		if(pointer_focus)
-			pointer_focus->pointer_enter();
+		layout->add_widget(wdg);
+		signal_autosize_changed.emit();
 	}
 }
 
-void Panel::set_input_focus(Widget *wdg)
+void Panel::on_child_removed(Widget &wdg)
 {
-	if(wdg!=input_focus)
+	if(layout)
 	{
-		if(input_focus)
-			input_focus->focus_out();
-
-		input_focus=wdg;
-
-		if(input_focus)
-		{
-			raise(*wdg);
-			input_focus->focus_in();
-		}
+		layout->remove_widget(wdg);
+		signal_autosize_changed.emit();
 	}
 }
 
 
 Panel::Loader::Loader(Panel &p, map<string, Widget *> &m):
-	Widget::Loader(p),
-	pnl(p),
-	wdg_map(m)
+	DataFile::DerivedObjectLoader<Panel, Widget::Loader>(p),
+	wdg_map(m),
+	last_widget(0)
 {
 	add("button",    &Loader::child<Button>);
+	add("column",    &Loader::arrangement<Column>);
+	add("constraint",&Loader::constraint);
+	add("draghandle",&Loader::child<DragHandle>);
 	add("dropdown",  &Loader::child<Dropdown>);
 	add("entry",     &Loader::child<Entry>);
+	add("expand",    &Loader::expand);
+	add("ghost",     &Loader::ghost);
+	add("gravity",   &Loader::gravity);
+	add("grid",      &Loader::grid);
 	add("hslider",   &Loader::child<HSlider>);
+	add("image",     &Loader::child<Image>);
 	add("indicator", &Loader::child<Indicator>);
 	add("label",     &Loader::child<Label>);
+	add("layout",    &Loader::layout);
 	add("list",      &Loader::child<List>);
 	add("panel",     &Loader::panel);
-	add("table",     &Loader::child<Table>);
+	add("row",       &Loader::arrangement<Row>);
+	add("stack",     &Loader::arrangement<Stack>);
 	add("toggle",    &Loader::child<Toggle>);
 	add("vslider",   &Loader::child<VSlider>);
 }
 
+Layout &Panel::Loader::get_layout()
+{
+	if(!obj.layout)
+		obj.set_layout(new Layout);
+
+	return *obj.layout;
+}
+
+Widget &Panel::Loader::get_last_widget()
+{
+	if(!last_widget)
+		throw logic_error("no widget loaded");
+
+	return *last_widget;
+}
+
+template<typename T>
+void Panel::Loader::arrangement()
+{
+	T arr(get_layout());
+	ArrangedLoader<T> ldr(*this, arr);
+	load_sub_with(ldr);
+}
+
 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();
+	obj.add(*chl.get());
+	last_widget = wdg_map[n] = chl.release();
 }
 
-void Panel::Loader::panel(const string &n)
+void Panel::Loader::constraint(Layout::ConstraintType type, const string &n)
 {
-	RefPtr<Panel> p=new Panel(pnl.res);
-	load_sub(*p, wdg_map);
-	pnl.add(*p.get());
-	wdg_map[n]=p.release();
+	Widget &src = get_last_widget();
+	Widget &tgt = *get_item(wdg_map, n);
+	get_layout().add_constraint(src, type, tgt);
 }
 
+void Panel::Loader::expand(bool h, bool v)
+{
+	get_layout().set_expand(get_last_widget(), h, v);
+}
 
-Panel::Child::Child(Panel &p, Widget *w):
-	Container::Child(p, w)
+void Panel::Loader::ghost(bool g)
 {
-	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));
+	get_layout().set_ghost(get_last_widget(), g);
 }
 
-Panel::Child::~Child()
+void Panel::Loader::gravity(int h, int v)
 {
-	visibility_changed(false);
+	get_layout().set_gravity(get_last_widget(), h, v);
 }
 
-void Panel::Child::visibility_changed(bool v)
+void Panel::Loader::grid(unsigned cols)
 {
-	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);
-	}
+	Grid grd(get_layout(), cols);
+	ArrangedLoader<Grid> ldr(*this, grd);
+	load_sub_with(ldr);
 }
 
-void Panel::Child::request_focus()
+void Panel::Loader::layout()
 {
-	static_cast<Panel &>(container).set_input_focus(widget);
+	Layout::Loader ldr(get_layout(), wdg_map);
+	load_sub_with(ldr);
 }
 
-void Panel::Child::grab_pointer()
+void Panel::Loader::panel(const string &n)
 {
-	Panel &panel=static_cast<Panel &>(container);
-	if(!panel.pointer_grabbed)
-	{
-		panel.set_pointer_focus(widget);
-		panel.pointer_grabbed=true;
-		panel.signal_grab_pointer.emit();
-	}
+	RefPtr<Panel> p = new Panel();
+	load_sub(*p, wdg_map);
+	obj.add(*p.get());
+	last_widget = wdg_map[n] = p.release();
 }
 
-void Panel::Child::ungrab_pointer()
+
+template<typename T>
+Panel::ArrangedLoader<T>::ArrangedLoader(Loader &ldr, T &arr):
+	arr_loader(arr)
 {
-	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();
-	}
+	add_auxiliary_loader(ldr);
+	add_auxiliary_loader(arr_loader);
 }
 
 } // namespace GLtk