From e592860145ff511d4249c46d98fc4845d943bad8 Mon Sep 17 00:00:00 2001
From: volzhs <volzhs@gmail.com>
Date: Fri, 28 Apr 2017 01:51:23 +0900
Subject: [PATCH] Show transparency and accurate color for property

---
 editor/icons/2x/icon_transparent.png | Bin 0 -> 177 bytes
 editor/icons/icon_transparent.png    | Bin 0 -> 158 bytes
 editor/property_editor.cpp           |  23 +++++++++++++++++++++--
 editor/property_editor.h             |   1 +
 4 files changed, 22 insertions(+), 2 deletions(-)
 create mode 100644 editor/icons/2x/icon_transparent.png
 create mode 100644 editor/icons/icon_transparent.png

diff --git a/editor/icons/2x/icon_transparent.png b/editor/icons/2x/icon_transparent.png
new file mode 100644
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GIT binary patch
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literal 0
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diff --git a/editor/icons/icon_transparent.png b/editor/icons/icon_transparent.png
new file mode 100644
index 0000000000000000000000000000000000000000..07e9b52b5c3a058c3fa449bbe3943a4a0329ced9
GIT binary patch
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diff --git a/editor/property_editor.cpp b/editor/property_editor.cpp
index c4aa2d921ec..5c13fea95ff 100644
--- a/editor/property_editor.cpp
+++ b/editor/property_editor.cpp
@@ -2028,7 +2028,7 @@ void PropertyEditor::set_item_text(TreeItem *p_item, int p_type, const String &p
 		} break;
 		case Variant::COLOR: {
 
-			p_item->set_custom_bg_color(1, obj->get(p_name));
+			tree->update();
 			//p_item->set_text(1,obj->get(p_name));
 
 		} break;
@@ -3168,7 +3168,7 @@ void PropertyEditor::update_tree() {
 				item->set_cell_mode(1, TreeItem::CELL_MODE_CUSTOM);
 				item->set_editable(1, !read_only);
 				//				item->set_text(1,obj->get(p.name));
-				item->set_custom_bg_color(1, obj->get(p.name));
+				item->set_custom_draw(1, this, "_draw_transparency");
 				if (show_type_icons)
 					item->set_icon(0, get_icon("Color", "EditorIcons"));
 
@@ -3309,6 +3309,24 @@ void PropertyEditor::update_tree() {
 	}
 }
 
+void PropertyEditor::_draw_transparency(Object *t, const Rect2 &p_rect) {
+
+	TreeItem *ti = t->cast_to<TreeItem>();
+	if (!ti)
+		return;
+
+	Color color = obj->get(ti->get_metadata(1));
+	Ref<Texture> arrow = tree->get_icon("select_arrow");
+
+	// make a little space between consecutive color fields
+	Rect2 area = p_rect;
+	area.pos.y += 1;
+	area.size.height -= 2;
+	area.size.width -= arrow->get_size().width + 5;
+	tree->draw_texture_rect(get_icon("Transparent", "EditorIcons"), area, true);
+	tree->draw_rect(area, color);
+}
+
 void PropertyEditor::_item_selected() {
 
 	TreeItem *item = tree->get_selected();
@@ -3790,6 +3808,7 @@ void PropertyEditor::_bind_methods() {
 	ObjectTypeDB::bind_method("update_tree", &PropertyEditor::update_tree);
 	ObjectTypeDB::bind_method("_resource_preview_done", &PropertyEditor::_resource_preview_done);
 	ObjectTypeDB::bind_method("refresh", &PropertyEditor::refresh);
+	ObjectTypeDB::bind_method("_draw_transparency", &PropertyEditor::_draw_transparency);
 
 	ObjectTypeDB::bind_method(_MD("get_drag_data_fw"), &PropertyEditor::get_drag_data_fw);
 	ObjectTypeDB::bind_method(_MD("can_drop_data_fw"), &PropertyEditor::can_drop_data_fw);
diff --git a/editor/property_editor.h b/editor/property_editor.h
index 18c6e4b8987..bbfac418755 100644
--- a/editor/property_editor.h
+++ b/editor/property_editor.h
@@ -234,6 +234,7 @@ class PropertyEditor : public Control {
 	void drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from);
 
 	void _resource_preview_done(const String &p_path, const Ref<Texture> &p_preview, Variant p_ud);
+	void _draw_transparency(Object *t, const Rect2 &p_rect);
 
 	UndoRedo *undo_redo;