Move the ColorPicker preview under the picker area

This moves it to be closer to the sliders, which in turn makes it easier
for the user to preview the color.

This also makes it clearer that the Pick button can only pick colors
in the editor window, not outside.

scene/gui/color_picker.cpp

@@ -737,20 +737,6 @@ ColorPicker::ColorPicker() :
 	presets_visible = true;
 	screen = NULL;
 
-	HBoxContainer *hb_smpl = memnew(HBoxContainer);
-	add_child(hb_smpl);
-
-	sample = memnew(TextureRect);
-	hb_smpl->add_child(sample);
-	sample->set_h_size_flags(SIZE_EXPAND_FILL);
-	sample->connect("draw", this, "_sample_draw");
-
-	btn_pick = memnew(ToolButton);
-	hb_smpl->add_child(btn_pick);
-	btn_pick->set_toggle_mode(true);
-	btn_pick->set_tooltip(TTR("Pick a color from the screen."));
-	btn_pick->connect("pressed", this, "_screen_pick_pressed");
-
 	HBoxContainer *hb_edit = memnew(HBoxContainer);
 	add_child(hb_edit);
 	hb_edit->set_v_size_flags(SIZE_EXPAND_FILL);
@@ -772,6 +758,20 @@ ColorPicker::ColorPicker() :
 	w_edit->connect("gui_input", this, "_w_input");
 	w_edit->connect("draw", this, "_hsv_draw", make_binds(1, w_edit));
 
+	HBoxContainer *hb_smpl = memnew(HBoxContainer);
+	add_child(hb_smpl);
+
+	sample = memnew(TextureRect);
+	hb_smpl->add_child(sample);
+	sample->set_h_size_flags(SIZE_EXPAND_FILL);
+	sample->connect("draw", this, "_sample_draw");
+
+	btn_pick = memnew(ToolButton);
+	hb_smpl->add_child(btn_pick);
+	btn_pick->set_toggle_mode(true);
+	btn_pick->set_tooltip(TTR("Pick a color from the editor window."));
+	btn_pick->connect("pressed", this, "_screen_pick_pressed");
+
 	VBoxContainer *vbl = memnew(VBoxContainer);
 	add_child(vbl);