Fix minimap capturing events and improve its theme

Add an editor setting for minimap opacity in visual editors

editor/editor_settings.cpp

@@ -659,6 +659,10 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 	_initial_set("editors/animation/onion_layers_past_color", Color(1, 0, 0));
 	_initial_set("editors/animation/onion_layers_future_color", Color(0, 1, 0));
 
+	// Visual editors
+	_initial_set("editors/visual_editors/minimap_opacity", 0.85);
+	hints["editors/visual_editors/minimap_opacity"] = PropertyInfo(Variant::FLOAT, "editors/visual_editors/minimap_opacity", PROPERTY_HINT_RANGE, "0.0,1.0,0.01", PROPERTY_USAGE_DEFAULT);
+
 	/* Run */
 
 	// Window placement

editor/editor_themes.cpp

@@ -92,6 +92,7 @@ static Ref<Texture2D> flip_icon(Ref<Texture2D> p_texture, bool p_flip_y = false,
 
 	Ref<ImageTexture> texture(memnew(ImageTexture));
 	Ref<Image> img = p_texture->get_data();
+	img = img->duplicate();
 
 	if (p_flip_y) {
 		img->flip_y();
@@ -1098,7 +1099,11 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
 	theme->set_constant("bezier_len_neg", "GraphEdit", 160 * EDSCALE);
 
 	// GraphEditMinimap
-	theme->set_stylebox("bg", "GraphEditMinimap", make_flat_stylebox(dark_color_1, 0, 0, 0, 0));
+	Ref<StyleBoxFlat> style_minimap_bg = make_flat_stylebox(dark_color_1, 0, 0, 0, 0);
+	style_minimap_bg->set_border_color(dark_color_3);
+	style_minimap_bg->set_border_width_all(1);
+	theme->set_stylebox("bg", "GraphEditMinimap", style_minimap_bg);
+
 	Ref<StyleBoxFlat> style_minimap_camera;
 	Ref<StyleBoxFlat> style_minimap_node;
 	if (dark_theme) {
@@ -1115,9 +1120,15 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
 	theme->set_stylebox("camera", "GraphEditMinimap", style_minimap_camera);
 	theme->set_stylebox("node", "GraphEditMinimap", style_minimap_node);
 
-	Ref<Texture2D> resizer_icon = theme->get_icon("GuiResizer", "EditorIcons");
-	theme->set_icon("resizer", "GraphEditMinimap", flip_icon(resizer_icon, true, true));
-	theme->set_color("resizer_color", "GraphEditMinimap", Color(1, 1, 1, 0.65));
+	Ref<Texture2D> minimap_resizer_icon = theme->get_icon("GuiResizer", "EditorIcons");
+	Color minimap_resizer_color;
+	if (dark_theme) {
+		minimap_resizer_color = Color(1, 1, 1, 0.65);
+	} else {
+		minimap_resizer_color = Color(0, 0, 0, 0.65);
+	}
+	theme->set_icon("resizer", "GraphEditMinimap", flip_icon(minimap_resizer_icon, true, true));
+	theme->set_color("resizer_color", "GraphEditMinimap", minimap_resizer_color);
 
 	// GraphNode
 	const float mv = dark_theme ? 0.0 : 1.0;

editor/plugins/animation_blend_tree_editor_plugin.cpp

@@ -255,6 +255,9 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 
 		graph->connect_node(from, 0, to, to_idx);
 	}
+
+	float graph_minimap_opacity = EditorSettings::get_singleton()->get("editors/visual_editors/minimap_opacity");
+	graph->set_minimap_opacity(graph_minimap_opacity);
 }
 
 void AnimationNodeBlendTreeEditor::_file_opened(const String &p_file) {
@@ -888,6 +891,8 @@ AnimationNodeBlendTreeEditor::AnimationNodeBlendTreeEditor() {
 	graph->connect("scroll_offset_changed", callable_mp(this, &AnimationNodeBlendTreeEditor::_scroll_changed));
 	graph->connect("delete_nodes_request", callable_mp(this, &AnimationNodeBlendTreeEditor::_delete_nodes_request));
 	graph->connect("popup_request", callable_mp(this, &AnimationNodeBlendTreeEditor::_popup_request));
+	float graph_minimap_opacity = EditorSettings::get_singleton()->get("editors/visual_editors/minimap_opacity");
+	graph->set_minimap_opacity(graph_minimap_opacity);
 
 	VSeparator *vs = memnew(VSeparator);
 	graph->get_zoom_hbox()->add_child(vs);

editor/plugins/visual_shader_editor_plugin.cpp

@@ -1282,6 +1282,9 @@ void VisualShaderEditor::_update_graph() {
 
 		graph->connect_node(itos(from), from_idx, itos(to), to_idx);
 	}
+
+	float graph_minimap_opacity = EditorSettings::get_singleton()->get("editors/visual_editors/minimap_opacity");
+	graph->set_minimap_opacity(graph_minimap_opacity);
 }
 
 VisualShader::Type VisualShaderEditor::get_current_shader_type() const {
@@ -3161,6 +3164,8 @@ VisualShaderEditor::VisualShaderEditor() {
 	graph->set_h_size_flags(SIZE_EXPAND_FILL);
 	add_child(graph);
 	graph->set_drag_forwarding(this);
+	float graph_minimap_opacity = EditorSettings::get_singleton()->get("editors/visual_editors/minimap_opacity");
+	graph->set_minimap_opacity(graph_minimap_opacity);
 	graph->add_valid_right_disconnect_type(VisualShaderNode::PORT_TYPE_SCALAR);
 	graph->add_valid_right_disconnect_type(VisualShaderNode::PORT_TYPE_SCALAR_INT);
 	graph->add_valid_right_disconnect_type(VisualShaderNode::PORT_TYPE_BOOLEAN);

modules/visual_script/visual_script_editor.cpp

@@ -981,6 +981,10 @@ void VisualScriptEditor::_update_graph(int p_only_id) {
 	}
 
 	_update_graph_connections();
+
+	float graph_minimap_opacity = EditorSettings::get_singleton()->get("editors/visual_editors/minimap_opacity");
+	graph->set_minimap_opacity(graph_minimap_opacity);
+
 	// Use default_func instead of default_func for now I think that should be good stop gap solution to ensure not breaking anything.
 	graph->call_deferred("set_scroll_ofs", script->get_scroll() * EDSCALE);
 	updating_graph = false;
@@ -4326,6 +4330,8 @@ VisualScriptEditor::VisualScriptEditor() {
 	graph->connect("duplicate_nodes_request", callable_mp(this, &VisualScriptEditor::_on_nodes_duplicate));
 	graph->connect("gui_input", callable_mp(this, &VisualScriptEditor::_graph_gui_input));
 	graph->set_drag_forwarding(this);
+	float graph_minimap_opacity = EditorSettings::get_singleton()->get("editors/visual_editors/minimap_opacity");
+	graph->set_minimap_opacity(graph_minimap_opacity);
 	graph->hide();
 	graph->connect("scroll_offset_changed", callable_mp(this, &VisualScriptEditor::_graph_ofs_changed));
 

scene/gui/graph_edit.cpp

@@ -154,6 +154,10 @@ Vector2 GraphEditMinimap::_convert_to_graph_position(const Vector2 &p_position)
 }
 
 void GraphEditMinimap::_gui_input(const Ref<InputEvent> &p_ev) {
+	if (!ge->is_minimap_enabled()) {
+		return;
+	}
+
 	Ref<InputEventMouseButton> mb = p_ev;
 	Ref<InputEventMouseMotion> mm = p_ev;
 
@@ -1754,7 +1758,7 @@ GraphEdit::GraphEdit() {
 	top_layer->add_child(minimap);
 	minimap->set_name("_minimap");
 	minimap->set_modulate(Color(1, 1, 1, minimap_opacity));
-	minimap->set_mouse_filter(MOUSE_FILTER_STOP);
+	minimap->set_mouse_filter(MOUSE_FILTER_PASS);
 	minimap->set_custom_minimum_size(Vector2(50, 50));
 	minimap->set_size(minimap_size);
 	minimap->set_anchors_preset(Control::PRESET_BOTTOM_RIGHT);

scene/resources/default_theme/default_theme.cpp

@@ -115,6 +115,7 @@ static Ref<Texture2D> flip_icon(Ref<Texture2D> p_texture, bool p_flip_y = false,
 
 	Ref<ImageTexture> texture(memnew(ImageTexture));
 	Ref<Image> img = p_texture->get_data();
+	img = img->duplicate();
 
 	if (p_flip_y) {
 		img->flip_y();