X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fpanel.cpp;h=4d7e1a9df3d0aa814aa225c9dc47038d58fc3f68;hb=a87d05583cb7dffaf0e0f5eb9f9b2fc0bcf656e1;hp=f17439a5eca810b8510d3537fc750a53c2b5868a;hpb=95210598ff214bbc8d05657aeffc4ce7801f211a;p=libs%2Fgltk.git

diff --git a/source/panel.cpp b/source/panel.cpp
index f17439a..4d7e1a9 100644
--- a/source/panel.cpp
+++ b/source/panel.cpp
@@ -1,10 +1,11 @@
 /* $Id$
 
 This file is part of libmspgltk
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
+Copyright © 2007-2009  Mikko Rasa, Mikkosoft Productions
 Distributed under the LGPL
 */
 
+#include <algorithm>
 #include <msp/core/refptr.h>
 #include "button.h"
 #include "dropdown.h"
@@ -15,6 +16,7 @@ Distributed under the LGPL
 #include "list.h"
 #include "panel.h"
 #include "part.h"
+#include "table.h"
 #include "toggle.h"
 #include "vslider.h"
 
@@ -25,107 +27,85 @@ namespace GLtk {
 
 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()
+void Panel::raise(Widget &wdg)
 {
-	while(!children.empty())
-		delete children.front();
-}
+	for(list<Container::Child *>::iterator i=children.begin(); i!=children.end(); ++i)
+		if((*i)->widget==&wdg)
+		{
+			children.splice(children.end(), children, i);
+			return;
+		}
 
-void Panel::add(Widget &wdg)
-{
-	set_parent(wdg, this);
-	children.push_back(&wdg);
+	throw InvalidState("That Widget is not in this Panel");
 }
 
-void Panel::remove(Widget &wdg)
+Widget *Panel::get_final_input_focus() const
 {
-	ChildSeq::iterator i=find(children.begin(), children.end(), &wdg);
-	if(i!=children.end())
+	if(Panel *panel=dynamic_cast<Panel *>(input_focus))
 	{
-		set_parent(wdg, 0);
-		children.erase(i);
-	}
-}
-
-void Panel::raise(Widget &wdg)
-{
-	ChildSeq::iterator i=find(children.begin(), children.end(), &wdg);
-	if(i!=children.end())
-	{
-		children.erase(i);
-		children.push_back(&wdg);
+		Widget *focus=panel->get_final_input_focus();
+		if(focus)
+			return focus;
 	}
+	return input_focus;
 }
 
 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_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();
 		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();
 		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)
@@ -145,43 +125,23 @@ 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
-		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::render_special(const Part &part) const
 {
 	if(part.get_name()=="children")
 	{
-		for(ChildSeq::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)
@@ -192,8 +152,6 @@ void Panel::set_pointer_focus(Widget *wdg, int grab)
 		if(pointer_focus)
 			pointer_focus->pointer_enter();
 	}
-
-	pointer_grab=grab;
 }
 
 void Panel::set_input_focus(Widget *wdg)
@@ -206,19 +164,13 @@ 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(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),
@@ -233,6 +185,7 @@ Panel::Loader::Loader(Panel &p, map<string, Widget *> &m):
 	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>);
 }
@@ -254,5 +207,63 @@ void Panel::Loader::panel(const string &n)
 	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()
+{
+	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
 } // namespace Msp