X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fdropdown.cpp;h=ef0fa22f97c8f150009988b3487c716b1e576cf2;hb=1597579a34a8d87d4dea0a0cdc0895e6247b6126;hp=ddf5c9268500479655796caecf9bad0a1ec71e20;hpb=319cde3c06181ba1c3619567525002926d8b4889;p=libs%2Fgltk.git

diff --git a/source/dropdown.cpp b/source/dropdown.cpp
index ddf5c92..ef0fa22 100644
--- a/source/dropdown.cpp
+++ b/source/dropdown.cpp
@@ -25,25 +25,29 @@ Dropdown::Dropdown(ListData &d):
 
 void Dropdown::init()
 {
+	input_type = INPUT_NAVIGATION;
+
 	dropped = false;
 
 	add(list);
+	list.set_visible(false);
+	list.set_view_all();
 	list.signal_item_selected.connect(sigc::mem_fun(this, &Dropdown::list_item_selected));
+	list.signal_selection_cleared.connect(sigc::mem_fun(this, &Dropdown::list_selection_cleared));
 	list.signal_autosize_changed.connect(sigc::mem_fun(this, &Dropdown::list_autosize_changed));
 }
 
-void Dropdown::autosize()
+void Dropdown::autosize_special(const Part &part, Geometry &ageom) const
 {
-	if(!style)
-		return;
-
-	Widget::autosize();
-	list.autosize_all();
-	geom.w = max(geom.w, list.get_geometry().w);
-
-	if(const Part *text_part = style->get_part("text"))
+	if(part.get_name()=="list")
+	{
+		Geometry lgeom;
+		list.autosize(lgeom);
+		ageom.w = max(ageom.w, list.get_geometry().w);
+	}
+	else if(part.get_name()=="text")
 	{
-		const Sides &margin = text_part->get_margin();
+		const Sides &margin = part.get_margin();
 		const GL::Font &font = style->get_font();
 		float font_size = style->get_font_size();
 
@@ -54,26 +58,17 @@ void Dropdown::autosize()
 			unsigned w = static_cast<unsigned>(font.get_string_width(data.get_string(i))*font_size);
 			max_w = max(max_w, w);
 		}
-		geom.w = max(geom.w, max_w+margin.left+margin.right);
+		ageom.w = max(ageom.w, max_w+margin.left+margin.right);
 
 		unsigned line_height = static_cast<unsigned>((font.get_ascent()-font.get_descent())*font_size);
-		geom.h = max(geom.h, line_height+margin.top+margin.bottom);
+		ageom.h = max(ageom.h, line_height+margin.top+margin.bottom);
 	}
-
-	rebuild();
-}
-
-void Dropdown::set_selected_index(int index)
-{
-	list.set_selected_index(index);
-	if(index<0)
-		text.set(string());
 }
 
 void Dropdown::rebuild_special(const Part &part)
 {
 	if(part.get_name()=="text")
-		text.build(part, geom, part_cache);
+		text.build(part, state, geom, part_cache);
 	else
 		Widget::rebuild_special(part);
 }
@@ -90,41 +85,71 @@ void Dropdown::button_press(int x, int y, unsigned btn)
 	{
 		Container::button_press(x, y, btn);
 		if(!click_focus)
-		{
-			dropped = false;
-			clear_state(ACTIVE);
-			signal_ungrab_pointer.emit();
-		}
+			close_list();
 	}
 	else if(btn==1)
+		open_list();
+}
+
+bool Dropdown::navigate(Navigation nav)
+{
+	if(dropped)
 	{
-		dropped = true;
-		set_state(ACTIVE);
-		signal_grab_pointer.emit();
+		if(nav==NAV_CANCEL)
+			close_list();
+		else
+			list.navigate(nav);
 	}
+	else if(nav==NAV_ACTIVATE)
+		open_list();
+	else
+		return false;
+
+	return true;
 }
 
 void Dropdown::on_geometry_change()
 {
-	resize_list();
+	if(dropped)
+		resize_list();
 }
 
 void Dropdown::on_style_change()
 {
 	text.set_style(style);
+	if(dropped)
+		resize_list();
+}
+
+void Dropdown::open_list()
+{
+	dropped = true;
+	list.set_visible(true);
 	resize_list();
+	set_state(ACTIVE);
+	set_input_focus(&list);
+	signal_grab_pointer.emit();
+}
+
+void Dropdown::close_list()
+{
+	dropped = false;
+	list.set_visible(false);
+	clear_state(ACTIVE);
+	signal_ungrab_pointer.emit();
 }
 
 void Dropdown::list_autosize_changed()
 {
-	resize_list();
+	if(dropped)
+		resize_list();
 	signal_autosize_changed.emit();
 }
 
 void Dropdown::resize_list()
 {
-	list.autosize_all();
-	Geometry lgeom = list.get_geometry();
+	Geometry lgeom;
+	list.autosize(lgeom);
 	lgeom.x = 0;
 	lgeom.y = -lgeom.h;
 	lgeom.w = max(geom.w, lgeom.w);
@@ -138,7 +163,10 @@ void Dropdown::resize_list()
 		{
 			const Geometry &rgeom = root->get_geometry();
 			if(lgeom.h*2>rgeom.h)
+			{
 				lgeom.h = rgeom.h/2;
+				lgeom.y = -lgeom.h;
+			}
 			if(root_y+lgeom.y<0)
 				lgeom.y = -root_y;
 			if(root_y+lgeom.y+lgeom.h>rgeom.h)
@@ -166,6 +194,11 @@ void Dropdown::list_item_selected(unsigned index)
 	rebuild();
 }
 
+void Dropdown::list_selection_cleared()
+{
+	text.set(string());
+}
+
 
 Dropdown::Loader::Loader(Dropdown &d):
 	DataFile::DerivedObjectLoader<Dropdown, Widget::Loader>(d)