Fix graph node sizing regression, improve blend tree contrast/margins

editor/plugins/animation_blend_tree_editor_plugin.cpp

@@ -164,6 +164,7 @@ void AnimationNodeBlendTreeEditor::update_graph() {
 			name->set_text(E);
 			name->set_editable(!read_only);
 			name->set_expand_to_text_length_enabled(true);
+			name->set_custom_minimum_size(Vector2(100, 0) * EDSCALE);
 			node->add_child(name);
 			node->set_slot(0, false, 0, Color(), true, read_only ? -1 : 0, get_theme_color(SceneStringName(font_color), SNAME("Label")));
 			name->connect("text_submitted", callable_mp(this, &AnimationNodeBlendTreeEditor::_node_renamed).bind(agnode), CONNECT_DEFERRED);
@@ -203,6 +204,14 @@ void AnimationNodeBlendTreeEditor::update_graph() {
 				prop->update_property();
 				prop->set_name_split_ratio(0);
 				prop->connect("property_changed", callable_mp(this, &AnimationNodeBlendTreeEditor::_property_changed));
+
+				if (F.hint == PROPERTY_HINT_RESOURCE_TYPE) {
+					// Give the resource editor some more space to make the inside readable.
+					prop->set_custom_minimum_size(Vector2(180, 0) * EDSCALE);
+					// Align the size of the node with the resource editor, its un-expanding does not trigger a resize.
+					prop->connect(SceneStringName(resized), Callable(node, "reset_size"));
+				}
+
 				node->add_child(prop);
 				visible_properties.push_back(prop);
 			}
@@ -264,17 +273,14 @@ void AnimationNodeBlendTreeEditor::update_graph() {
 			mb->get_popup()->connect("index_pressed", callable_mp(this, &AnimationNodeBlendTreeEditor::_anim_selected).bind(options, E), CONNECT_DEFERRED);
 		}
 
-		// TODO: Avoid using strings, expose a method on GraphNode instead.
+		Ref<StyleBox> sb_panel = node->get_theme_stylebox(SceneStringName(panel), "GraphNode")->duplicate();
-		Ref<StyleBoxFlat> sb = node->get_theme_stylebox(SceneStringName(panel));
+		if (sb_panel.is_valid()) {
-		Color c = sb->get_border_color();
+			sb_panel->set_content_margin(SIDE_TOP, 12 * EDSCALE);
-		Color mono_color = ((c.r + c.g + c.b) / 3) < 0.7 ? Color(1.0, 1.0, 1.0) : Color(0.0, 0.0, 0.0);
+			sb_panel->set_content_margin(SIDE_BOTTOM, 12 * EDSCALE);
-		mono_color.a = 0.85;
+			node->add_theme_style_override(SceneStringName(panel), sb_panel);
-		c = mono_color;
+		}
 
-		node->add_theme_color_override("title_color", c);
+		node->add_theme_constant_override("separation", 4 * EDSCALE);
-		c.a = 0.7;
-		node->add_theme_color_override("close_color", c);
-		node->add_theme_color_override("resizer_color", c);
 	}
 
 	List<AnimationNodeBlendTree::NodeConnection> node_connections;

editor/plugins/visual_shader_editor_plugin.cpp

@@ -45,6 +45,7 @@
 #include "editor/plugins/curve_editor_plugin.h"
 #include "editor/plugins/shader_editor_plugin.h"
 #include "editor/themes/editor_scale.h"
+#include "editor/themes/editor_theme_manager.h"
 #include "scene/animation/tween.h"
 #include "scene/gui/button.h"
 #include "scene/gui/check_box.h"
@@ -570,6 +571,10 @@ void VisualShaderGraphPlugin::update_theme() {
 	Ref<Font> label_bold_font = EditorNode::get_singleton()->get_editor_theme()->get_font("main_bold_msdf", EditorStringName(EditorFonts));
 	vs_msdf_fonts_theme->set_font(SceneStringName(font), "Label", label_font);
 	vs_msdf_fonts_theme->set_font(SceneStringName(font), "GraphNodeTitleLabel", label_bold_font);
+	if (!EditorThemeManager::is_dark_theme()) {
+		// Override the color to white for light themes.
+		vs_msdf_fonts_theme->set_color(SceneStringName(font_color), "GraphNodeTitleLabel", Color(1, 1, 1));
+	}
 	vs_msdf_fonts_theme->set_font(SceneStringName(font), "LineEdit", label_font);
 	vs_msdf_fonts_theme->set_font(SceneStringName(font), "Button", label_font);
 }

editor/themes/editor_theme_manager.cpp

@@ -1633,8 +1633,7 @@ void EditorThemeManager::_populate_standard_styles(const Ref<EditorTheme> &p_the
 			// GraphNode's title Label.
 			p_theme->set_type_variation("GraphNodeTitleLabel", "Label");
 			p_theme->set_stylebox(CoreStringName(normal), "GraphNodeTitleLabel", make_empty_stylebox(0, 0, 0, 0));
-			p_theme->set_color(SceneStringName(font_color), "GraphNodeTitleLabel", p_config.dark_theme ? p_config.font_color : Color(1, 1, 1)); // Also use a bright font color for light themes.
+			p_theme->set_color("font_shadow_color", "GraphNodeTitleLabel", p_config.shadow_color);
-			p_theme->set_color("font_shadow_color", "GraphNodeTitleLabel", Color(0, 0, 0, 0.35));
 			p_theme->set_constant("shadow_outline_size", "GraphNodeTitleLabel", 4);
 			p_theme->set_constant("shadow_offset_x", "GraphNodeTitleLabel", 0);
 			p_theme->set_constant("shadow_offset_y", "GraphNodeTitleLabel", 1);