From 1a3d53c00811b56cc2a42d4e56c747a46eb845ea Mon Sep 17 00:00:00 2001
From: kleonc <9283098+kleonc@users.noreply.github.com>
Date: Fri, 24 Sep 2021 19:02:48 +0200
Subject: TexturePreview Update text when texture is being changed

---
 editor/plugins/texture_editor_plugin.cpp | 27 +++++++++++++++++----------
 editor/plugins/texture_editor_plugin.h   |  2 ++
 2 files changed, 19 insertions(+), 10 deletions(-)

(limited to 'editor')

diff --git a/editor/plugins/texture_editor_plugin.cpp b/editor/plugins/texture_editor_plugin.cpp
index 44db06bcfd..b9ec6bf5ab 100644
--- a/editor/plugins/texture_editor_plugin.cpp
+++ b/editor/plugins/texture_editor_plugin.cpp
@@ -58,6 +58,21 @@ void TexturePreview::_notification(int p_what) {
 	}
 }
 
+void TexturePreview::_update_metadata_label_text() {
+	Ref<Texture2D> texture = texture_display->get_texture();
+
+	String format;
+	if (Object::cast_to<ImageTexture>(*texture)) {
+		format = Image::get_format_name(Object::cast_to<ImageTexture>(*texture)->get_format());
+	} else if (Object::cast_to<StreamTexture2D>(*texture)) {
+		format = Image::get_format_name(Object::cast_to<StreamTexture2D>(*texture)->get_format());
+	} else {
+		format = texture->get_class();
+	}
+
+	metadata_label->set_text(itos(texture->get_width()) + "x" + itos(texture->get_height()) + " " + format);
+}
+
 TexturePreview::TexturePreview(Ref<Texture2D> p_texture, bool p_show_metadata) {
 	checkerboard = memnew(TextureRect);
 	checkerboard->set_stretch_mode(TextureRect::STRETCH_TILE);
@@ -75,16 +90,8 @@ TexturePreview::TexturePreview(Ref<Texture2D> p_texture, bool p_show_metadata) {
 	if (p_show_metadata) {
 		metadata_label = memnew(Label);
 
-		String format;
-		if (Object::cast_to<ImageTexture>(*p_texture)) {
-			format = Image::get_format_name(Object::cast_to<ImageTexture>(*p_texture)->get_format());
-		} else if (Object::cast_to<StreamTexture2D>(*p_texture)) {
-			format = Image::get_format_name(Object::cast_to<StreamTexture2D>(*p_texture)->get_format());
-		} else {
-			format = p_texture->get_class();
-		}
-
-		metadata_label->set_text(itos(p_texture->get_width()) + "x" + itos(p_texture->get_height()) + " " + format);
+		_update_metadata_label_text();
+		p_texture->connect("changed", callable_mp(this, &TexturePreview::_update_metadata_label_text));
 
 		// It's okay that these colors are static since the grid color is static too.
 		metadata_label->add_theme_color_override("font_color", Color::named("white"));
diff --git a/editor/plugins/texture_editor_plugin.h b/editor/plugins/texture_editor_plugin.h
index 36a5513ea6..60349febd7 100644
--- a/editor/plugins/texture_editor_plugin.h
+++ b/editor/plugins/texture_editor_plugin.h
@@ -44,6 +44,8 @@ private:
 	TextureRect *checkerboard = nullptr;
 	Label *metadata_label = nullptr;
 
+	void _update_metadata_label_text();
+
 protected:
 	void _notification(int p_what);
 
-- 
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