X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fdropdown.cpp;h=8cc6187f2243a552b0943dde919dff6e6c0d18cb;hb=4b52d16bc895f9d969383d7a7d6a3558c1972cc5;hp=2aac55ec511dc184b5d7952901ebc7bbe5b6ece0;hpb=d2d5b4c4dedf90a42dd2baff8334318b1d000f64;p=libs%2Fgltk.git

diff --git a/source/dropdown.cpp b/source/dropdown.cpp
index 2aac55e..8cc6187 100644
--- a/source/dropdown.cpp
+++ b/source/dropdown.cpp
@@ -25,19 +25,25 @@ Dropdown::Dropdown(ListData &d):
 
 void Dropdown::init()
 {
+	// Necessary to have the parent container raise the dropdown on click
+	input_type = INPUT_TEXT;
+
 	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_special(const Part &part, Geometry &ageom)
+void Dropdown::autosize_special(const Part &part, Geometry &ageom) const
 {
 	if(part.get_name()=="list")
 	{
-		list.autosize();
+		Geometry lgeom;
+		list.autosize(lgeom);
 		ageom.w = max(ageom.w, list.get_geometry().w);
 	}
 	else if(part.get_name()=="text")
@@ -58,21 +64,12 @@ void Dropdown::autosize_special(const Part &part, Geometry &ageom)
 		unsigned line_height = static_cast<unsigned>((font.get_ascent()-font.get_descent())*font_size);
 		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);
 }
@@ -91,6 +88,7 @@ void Dropdown::button_press(int x, int y, unsigned btn)
 		if(!click_focus)
 		{
 			dropped = false;
+			list.set_visible(false);
 			clear_state(ACTIVE);
 			signal_ungrab_pointer.emit();
 		}
@@ -98,6 +96,8 @@ void Dropdown::button_press(int x, int y, unsigned btn)
 	else if(btn==1)
 	{
 		dropped = true;
+		list.set_visible(true);
+		resize_list();
 		set_state(ACTIVE);
 		signal_grab_pointer.emit();
 	}
@@ -105,25 +105,28 @@ void Dropdown::button_press(int x, int y, unsigned btn)
 
 void Dropdown::on_geometry_change()
 {
-	resize_list();
+	if(dropped)
+		resize_list();
 }
 
 void Dropdown::on_style_change()
 {
 	text.set_style(style);
-	resize_list();
+	if(dropped)
+		resize_list();
 }
 
 void Dropdown::list_autosize_changed()
 {
-	resize_list();
+	if(dropped)
+		resize_list();
 	signal_autosize_changed.emit();
 }
 
 void Dropdown::resize_list()
 {
-	list.autosize();
-	Geometry lgeom = list.get_geometry();
+	Geometry lgeom;
+	list.autosize(lgeom);
 	lgeom.x = 0;
 	lgeom.y = -lgeom.h;
 	lgeom.w = max(geom.w, lgeom.w);
@@ -137,7 +140,10 @@ 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)
@@ -165,6 +171,11 @@ 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)