Extract draw toolbar and thin NodeCanvas and Win32 shell

src/app_layout_draw_toolbar.cpp

@@ -0,0 +1,68 @@
+#include "pch.h"
+#include "app.h"
+#include "app_core/canvas_tool_ui.h"
+#include "legacy_canvas_tool_services.h"
+#include "node_button.h"
+#include "node_button_custom.h"
+
+namespace {
+
+[[nodiscard]] bool current_canvas_mode_is_draw(App& app) noexcept
+{
+    return app.canvas && app.canvas->m_canvas && app.canvas->m_canvas->m_current_mode == kCanvasMode::Draw;
+}
+
+template<class T>
+void execute_canvas_tool_toolbar_binding(
+    App& app,
+    const pp::app::CanvasToolToolbarBinding& binding,
+    T* button)
+{
+    const auto plan = pp::app::plan_canvas_tool_toolbar_binding_action(
+        binding,
+        current_canvas_mode_is_draw(app));
+    const auto status = binding.action == pp::app::CanvasToolToolbarAction::select_mode
+        ? pp::panopainter::execute_legacy_canvas_tool_plan(app, plan, button)
+        : pp::panopainter::execute_legacy_canvas_tool_plan(app, plan);
+    if (!status.ok())
+        LOG("Canvas toolbar action failed: %s", status.message);
+}
+
+template<class T>
+void bind_canvas_tool_toolbar_button(
+    App& app,
+    const pp::app::CanvasToolToolbarBinding& binding,
+    T* button)
+{
+    button->on_click = [&app, binding, button](Node*) {
+        execute_canvas_tool_toolbar_binding(app, binding, button);
+    };
+}
+
+} // namespace
+
+void App::init_toolbar_draw()
+{
+    const auto toolbar = pp::app::plan_canvas_tool_toolbar();
+    bool apply_default_tool = false;
+    for (const auto& binding : toolbar.bindings) {
+        if (binding.custom_button) {
+            if (auto* button = layout[main_id]->find<NodeButtonCustom>(binding.button_id.data())) {
+                bind_canvas_tool_toolbar_button(*this, binding, button);
+                apply_default_tool = apply_default_tool || binding.applies_default_on_init;
+            }
+        } else {
+            if (auto* button = layout[main_id]->find<NodeButton>(binding.button_id.data())) {
+                bind_canvas_tool_toolbar_button(*this, binding, button);
+                apply_default_tool = apply_default_tool || binding.applies_default_on_init;
+            }
+        }
+    }
+
+    if (apply_default_tool) {
+        const auto default_plan = pp::app::plan_canvas_tool_select(toolbar.default_mode);
+        const auto status = pp::panopainter::execute_legacy_canvas_tool_plan(*this, default_plan);
+        if (!status.ok())
+            LOG("Canvas default tool action failed: %s", status.message);
+    }
+}