рефакторинг небольшой

src/ui/canvas_view.zig

@@ -3,7 +3,7 @@ const dvui = @import("dvui");
 const dvui_ext = @import("dvui_ext.zig");
 const Canvas = @import("../Canvas.zig");
 const Rect_i = @import("../models/basic_models.zig").Rect_i;
-const tool_interface = @import("../tool_interface.zig");
+const Tool = @import("../Tool.zig");
 
 pub fn canvasView(canvas: *Canvas, content_rect_scale: dvui.RectScale) void {
     var textured = dvui_ext.texturedBox(content_rect_scale, dvui.Rect.all(20));
@@ -163,11 +163,11 @@ fn handleCanvasMouse(canvas: *Canvas, scroll: anytype) void {
                 canvas.cursor_document_point = if (canvas.isContentPointOnDocument(content_pt, natural_scale)) doc_pt else null;
                 if (canvas.cursor_document_point) |point| {
                     if (canvas.toolbar.currentDescriptor()) |desc| {
-                        var ctx = tool_interface.ToolContext{
+                        var ctx = Tool.ToolContext{
                             .canvas = canvas,
                             .document_point = point,
                         };
-                        desc.implementation.onClick(&ctx);
+                        desc.implementation.onCanvasClick(&ctx);
                     }
                 }
             },
@@ -198,7 +198,7 @@ fn drawToolbar(canvas: *Canvas) void {
             const is_selected = (canvas.toolbar.selected_index == i);
             const opts: dvui.Options = .{
                 .id_extra = i,
-                .color_fill = if (is_selected) dvui.Color.transparent else undefined,
+                .color_fill = if (is_selected) dvui.themeGet().fill else undefined,
             };
             if (dvui.buttonIcon(@src(), tool_desc.name, tool_desc.icon_tvg, .{}, .{}, opts)) {
                 canvas.toolbar.select(i);