#include "pch.h"
#include "app.h"
#include "node_icon.h"
#include "node_dialog_open.h"
#include "node_text.h"
#include "node_progress_bar.h"
#include "node_dialog_picker.h"
#include "node_panel_floating.h"
#include "app_core/about_menu.h"
#include "app_core/app_preferences.h"
#include "app_core/brush_ui.h"
#include "app_core/canvas_tool_ui.h"
#include "app_core/document_layer.h"
#include "app_core/document_canvas.h"
#include "app_core/document_export.h"
#include "app_core/document_import.h"
#include "app_core/file_menu.h"
#include "app_core/app_status.h"
#include "app_core/history_ui.h"
#include "app_core/main_toolbar.h"
#include "app_core/tools_menu.h"
#include "settings.h"
#include "serializer.h"
#include "font.h"
#include "node_remote_page.h"
#include "node_shorcuts.h"

#include <vector>

namespace {

bool apply_brush_color_plan(App& app, glm::vec4 color, bool update_quick, bool update_color_panel)
{
    const auto plan = pp::app::plan_brush_ui_color(color.r, color.g, color.b, color.a);
    if (!plan)
        return false;
    Canvas::I->m_current_brush->m_tip_color = glm::vec4(
        plan.value().r,
        plan.value().g,
        plan.value().b,
        plan.value().a);
    if (update_quick)
        app.quick->set_color(Canvas::I->m_current_brush->m_tip_color);
    if (update_color_panel)
        app.color->set_color(Canvas::I->m_current_brush->m_tip_color);
    app.brush_update(plan.value().update_color_ui, plan.value().update_brush_ui);
    return true;
}

bool apply_brush_texture_plan(pp::app::BrushUiTextureSlot slot, const std::string& path, const std::string& thumb)
{
    const auto plan = pp::app::plan_brush_ui_texture(slot, path, thumb);
    if (!plan)
        return false;
    switch (plan.value().texture_slot)
    {
    case pp::app::BrushUiTextureSlot::tip:
        Canvas::I->m_current_brush->load_tip(plan.value().path, plan.value().thumbnail_path);
        break;
    case pp::app::BrushUiTextureSlot::pattern:
        Canvas::I->m_current_brush->load_pattern(plan.value().path, plan.value().thumbnail_path);
        break;
    case pp::app::BrushUiTextureSlot::dual:
        Canvas::I->m_current_brush->load_dual(plan.value().path, plan.value().thumbnail_path);
        break;
    }
    App::I->brush_update(plan.value().update_color_ui, plan.value().update_brush_ui);
    return true;
}

bool apply_brush_preset_plan(App& app, const std::shared_ptr<Brush>& brush)
{
    const auto plan = pp::app::plan_brush_ui_preset_replace(static_cast<bool>(brush));
    if (!plan)
        return false;
    auto color = Canvas::I->m_current_brush->m_tip_color;
    *Canvas::I->m_current_brush = *brush;
    if (plan.value().preserves_existing_color)
        Canvas::I->m_current_brush->m_tip_color = color;
    if (plan.value().loads_brush_resources)
        Canvas::I->m_current_brush->load();
    app.brush_update(plan.value().update_color_ui, plan.value().update_brush_ui);
    return true;
}

bool apply_document_export_menu_plan(App& app, pp::app::DocumentExportMenuKind kind)
{
    class LegacyDocumentExportMenuServices final : public pp::app::DocumentExportMenuServices {
    public:
        explicit LegacyDocumentExportMenuServices(App& app) noexcept
            : app_(app)
        {
        }

        void show_jpeg_dialog() override { app_.dialog_export(".jpg"); }
        void show_png_dialog() override { app_.dialog_export(".png"); }
        void show_layers_dialog() override { app_.dialog_export_layers(); }
        void show_cube_faces_dialog() override { app_.dialog_export_cube_faces(); }
        void show_depth_dialog() override { app_.dialog_export_depth(); }
        void show_animation_frames_dialog() override { app_.dialog_export_anim_frames(); }
        void show_animation_mp4_dialog() override { app_.dialog_export_mp4(); }
        void show_timelapse_dialog() override { app_.dialog_timelapse_export(); }
        void show_license_disabled() override
        {
            app_.message_box("License", "This function is disabled in demo mode.");
        }

    private:
        App& app_;
    };

    const auto requires_license = pp::app::document_export_menu_requires_license(kind);
    const auto plan = pp::app::plan_document_export_menu_action(
        kind,
        app.canvas != nullptr,
        !requires_license || app.check_license());
    LegacyDocumentExportMenuServices services(app);
    const auto status = pp::app::execute_document_export_menu_plan(plan, services);
    if (!status.ok())
        LOG("Document export menu action failed: %s", status.message);
    return status.ok() && plan.opens_dialog;
}

class LegacyFileMenuServices final : public pp::app::FileMenuServices {
public:
    explicit LegacyFileMenuServices(App& app) noexcept
        : app_(app)
    {
    }

    void show_new_document_dialog() override
    {
        app_.dialog_newdoc();
    }

    void pick_image_for_import() override
    {
        auto* app_ptr = &app_;
        app_.pick_image([app_ptr](std::string path) {
            Image img;
            img.load_file(path);
            const auto import_plan = pp::app::plan_document_image_import(img.width, img.height);
            if (!import_plan)
                return;

            class LegacyDocumentImageImportServices final : public pp::app::DocumentImageImportServices {
            public:
                LegacyDocumentImageImportServices(App& app, Image& image) noexcept
                    : app_(app)
                    , image_(image)
                {
                }

                void import_equirectangular(std::string_view import_path) override
                {
                    if (Canvas::I)
                        Canvas::I->import_equirectangular(std::string(import_path));
                }

                void enter_transform_import(std::string_view) override
                {
                    if (!app_.canvas || !app_.canvas->m_canvas)
                        return;

                    auto* mode = static_cast<CanvasModeTransform*>(
                        app_.canvas->m_canvas->modes[(int)kCanvasMode::Import][0]);
                    mode->m_action = CanvasModeTransform::ActionType::Import;
                    mode->m_source_image = std::move(image_);
                    Canvas::set_mode(kCanvasMode::Import);
                }

            private:
                App& app_;
                Image& image_;
            };

            LegacyDocumentImageImportServices services(*app_ptr, img);
            const auto status = pp::app::execute_document_image_import_plan(
                import_plan.value(),
                path,
                services);
            if (!status.ok())
                LOG("Image import failed: %s", status.message);
        });
    }

    void pick_project_file() override
    {
        auto* app_ptr = &app_;
        app_.pick_file({ "ppi" }, [app_ptr](std::string path) {
            app_ptr->open_document(path);
        });
    }

    void show_cloud_browser_dialog() override
    {
        app_.dialog_browse();
    }

    void save_document(pp::app::DocumentSaveIntent intent) override
    {
        app_.save_document(intent);
    }

    void show_export_jpeg_dialog(pp::app::DocumentExportMenuKind kind) override
    {
        apply_document_export_menu_plan(app_, kind);
    }

    void show_export_submenu() override
    {
    }

    void share_document() override
    {
        app_.share_file(app_.doc_path);
    }

    void show_resize_dialog() override
    {
        app_.dialog_resize();
    }

    void upload_to_cloud() override
    {
        app_.cloud_upload();
    }

    void browse_cloud_documents() override
    {
        app_.cloud_browse();
    }

private:
    App& app_;
};

void apply_file_menu_plan(App& app, pp::app::FileMenuCommand command)
{
    const auto plan = pp::app::plan_file_menu_command(command);
    LegacyFileMenuServices services(app);
    const auto status = pp::app::execute_file_menu_plan(plan, services);
    if (!status.ok())
        LOG("File menu action failed: %s", status.message);
}

pp::app::DocumentLayerMenuPlan make_layer_menu_plan(
    pp::app::DocumentLayerMenuCommand command,
    App& app)
{
    const bool has_current_layer = app.layers && app.layers->m_current_layer;
    const int current_index = app.canvas && app.canvas->m_canvas
        ? app.canvas->m_canvas->m_current_layer_idx
        : 0;
    const int animation_duration = Canvas::I
        ? Canvas::I->anim_duration()
        : 0;
    const std::string current_name = has_current_layer
        ? app.layers->m_current_layer->m_label_text
        : std::string {};
    std::string lower_name;
    if (app.canvas && app.canvas->m_canvas && current_index > 0
        && current_index - 1 < static_cast<int>(app.canvas->m_canvas->m_layers.size()))
    {
        lower_name = app.canvas->m_canvas->m_layers[current_index - 1]->m_name;
    }

    const auto plan = pp::app::plan_document_layer_menu(
        command,
        has_current_layer,
        current_index,
        animation_duration,
        current_name,
        lower_name);
    if (plan)
        return plan.value();
    return {};
}

[[nodiscard]] bool should_open_tools_panel(const pp::app::ToolsPanelPlan& plan) noexcept
{
    return plan.action == pp::app::ToolsPanelAction::open_floating_panel;
}

void apply_tools_panel_chrome(NodePanelFloating& panel, const pp::app::ToolsPanelPlan& plan)
{
    if (plan.width > 0 && plan.height > 0) {
        panel.SetSize(static_cast<float>(plan.width), static_cast<float>(plan.height));
    } else {
        if (plan.width > 0)
            panel.SetWidth(static_cast<float>(plan.width));
        if (plan.height > 0)
            panel.SetHeight(static_cast<float>(plan.height));
    }
    if (plan.min_width > 0)
        panel.SetMinWidth(static_cast<float>(plan.min_width));
    if (plan.min_height > 0)
        panel.SetMinHeight(static_cast<float>(plan.min_height));
    panel.m_title->set_text(plan.title.data());
    panel.m_droppable = plan.droppable;
}

class LegacyMainToolbarServices final : public pp::app::MainToolbarServices {
public:
    explicit LegacyMainToolbarServices(App& app) noexcept
        : app_(app)
    {
    }

    void show_open_dialog() override
    {
        app_.dialog_open();
    }

    void show_save_dialog() override
    {
        app_.dialog_save();
    }

    void invoke_undo() override
    {
        ActionManager::undo();
    }

    void invoke_redo() override
    {
        ActionManager::redo();
    }

    void clear_history() override
    {
        ActionManager::clear();
    }

    void clear_canvas(const pp::app::DocumentCanvasClearPlan& plan) override
    {
        class LegacyDocumentCanvasClearServices final : public pp::app::DocumentCanvasClearServices {
        public:
            explicit LegacyDocumentCanvasClearServices(App& app) noexcept
                : app_(app)
            {
            }

            void clear_current_canvas(float r, float g, float b, float a) override
            {
                if (!app_.canvas || !app_.canvas->m_canvas)
                    return;

                app_.canvas->m_canvas->clear({ r, g, b, a });
            }

        private:
            App& app_;
        };

        LegacyDocumentCanvasClearServices services(app_);
        const auto status = pp::app::execute_document_canvas_clear_plan(plan, services);
        if (!status.ok())
            LOG("Canvas clear failed: %s", status.message);
    }

    void show_message_box() override
    {
        app_.msgbox = new NodeMessageBox();
        app_.msgbox->set_manager(&app_.layout);
        app_.msgbox->init();
        app_.layout[app_.main_id]->add_child(app_.msgbox);
    }

    void show_settings_dialog() override
    {
        app_.settings = new NodeSettings();
        app_.settings->set_manager(&app_.layout);
        app_.settings->init();
        app_.layout[app_.main_id]->add_child(app_.settings);
    }

private:
    App& app_;
};

class LegacyAboutMenuServices final : public pp::app::AboutMenuServices {
public:
    explicit LegacyAboutMenuServices(App& app) noexcept
        : app_(app)
    {
    }

    void show_user_manual() override
    {
        app_.dialog_usermanual();
    }

    void show_about_dialog() override
    {
        app_.dialog_about();
    }

    void show_whats_new_dialog() override
    {
        app_.dialog_whatsnew(true);
    }

    void trigger_crash_test() override
    {
        LOG("crashing");
        app_.crash_test();
    }

    void run_performance_test(const pp::app::AboutMenuPlan& plan) override
    {
        if (!Canvas::I)
            return;

        LOG("perf");
        std::string message;
        const int performance_iterations = plan.performance_iterations;
        app_.render_task([&]
        {
            auto start = std::chrono::high_resolution_clock::now();
            Canvas::I->stroke_start({ 0, 0, 0 }, 0.9f);
            for (int i = 0; i < performance_iterations; i++)
            {
                Canvas::I->stroke_update({ 100, 100, 0 }, 0.9f);
                Canvas::I->stroke_update({ 200, 200, 0 }, 0.9f);
                Canvas::I->stroke_update({ 200, 100, 0 }, 0.9f);
                Canvas::I->stroke_update({ 100, 200, 0 }, 0.9f);
                Canvas::I->stroke_update({ 300, 300, 0 }, 0.9f);
                Canvas::I->stroke_update({ 200, 500, 0 }, 0.9f);
                Canvas::I->stroke_update({ 500, 500, 0 }, 0.9f);
                Canvas::I->stroke_update({ 400, 400, 0 }, 0.9f);
                Canvas::I->stroke_update({ 0, 200, 0 }, 0.9f);
                Canvas::I->stroke_update({ 200, 0, 0 }, 0.9f);
                Canvas::I->stroke_draw();
            }
            Canvas::I->stroke_end();
            auto diff = std::chrono::high_resolution_clock::now() - start;
            auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(diff).count();
            LOG("%lld ms", ms);
            message = "Time " + std::to_string(ms) + " ms";
        });
        app_.message_box("Performance test", message);
    }

private:
    App& app_;
};

class LegacyToolsMenuServices final : public pp::app::ToolsMenuServices {
public:
    explicit LegacyToolsMenuServices(App& app) noexcept
        : app_(app)
    {
    }

    void show_panels_submenu() override
    {
    }

    void show_options_submenu() override
    {
    }

    void clear_grid_overlays() override
    {
        auto* mode = static_cast<CanvasModeGrid*>(Canvas::modes[(int)kCanvasMode::Grid][0]);
        mode->clear();
    }

    void reset_camera() override
    {
        if (app_.canvas)
            app_.canvas->reset_camera();
    }

    void show_shortcuts_dialog() override
    {
        app_.dialog_shortcuts();
    }

    void start_sonarpen() override
    {
#if __IOS__
        [app_.ios_app sonarpen_start];
#endif
    }

private:
    App& app_;
};

class LegacyDocumentLayerMenuServices final : public pp::app::DocumentLayerMenuServices {
public:
    explicit LegacyDocumentLayerMenuServices(App& app) noexcept
        : app_(app)
    {
    }

    void clear_current_layer() override
    {
        if (app_.canvas && app_.canvas->m_canvas)
            app_.canvas->m_canvas->clear();
    }

    void show_rename_dialog() override
    {
        app_.dialog_layer_rename();
    }

    void merge_with_lower_layer(int from_index, int to_index) override
    {
        if (app_.layers)
            app_.layers->merge(from_index, to_index, true);
    }

    void show_merge_animated_not_supported() override
    {
        app_.message_box("Not supported", "Merging animated layers is not supported yet.");
    }

private:
    App& app_;
};

void execute_main_toolbar_plan(App& app, const pp::app::MainToolbarPlan& plan)
{
    LegacyMainToolbarServices services(app);
    const auto status = pp::app::execute_main_toolbar_plan(plan, services);
    if (!status.ok())
        LOG("Main toolbar action failed: %s", status.message);
}

void execute_about_menu_plan(App& app, const pp::app::AboutMenuPlan& plan)
{
    LegacyAboutMenuServices services(app);
    const auto status = pp::app::execute_about_menu_plan(plan, services);
    if (!status.ok())
        LOG("About menu action failed: %s", status.message);
}

void execute_tools_menu_plan(App& app, const pp::app::ToolsMenuPlan& plan)
{
    LegacyToolsMenuServices services(app);
    const auto status = pp::app::execute_tools_menu_plan(plan, services);
    if (!status.ok())
        LOG("Tools menu action failed: %s", status.message);
}

void execute_document_layer_menu_plan(App& app, const pp::app::DocumentLayerMenuPlan& plan)
{
    LegacyDocumentLayerMenuServices services(app);
    const auto status = pp::app::execute_document_layer_menu_plan(plan, services);
    if (!status.ok())
        LOG("Layer menu action failed: %s", status.message);
}

} // namespace

void App::title_update()
{
    if (auto docname = layout[main_id]->find<NodeText>("txt-docname"))
    {
        const auto title = pp::app::make_document_title(
            doc_name,
            canvas->m_canvas->m_unsaved,
            canvas->m_canvas->m_width);
        docname->set_text(title.c_str());
    }
    if (auto node = layout[main_id]->find<NodeText>("txt-dpi"))
    {
        const auto label = pp::app::make_dpi_label(zoom);
        node->set_text(label.c_str());
    }
}

void App::init_toolbar_main()
{
    if (auto* button = layout[main_id]->find<NodeButton>("btn-anim"))
    {
        button->on_click = [this, button](Node*) {
            if (canvas)
            {
                //canvas->m_canvas->export_anim();
            }
        };
    }
    if (auto* button = layout[main_id]->find<NodeButton>("btn-open"))
    {
        button->on_click = [this, button](Node*) {
            const auto plan = pp::app::plan_main_toolbar_command(
                pp::app::MainToolbarCommand::open_document);
            if (plan)
                execute_main_toolbar_plan(*this, plan.value());
        };
    }
    if (auto* button = layout[main_id]->find<NodeButton>("btn-save"))
    {
        button->on_click = [this, button](Node*) {
            const auto plan = pp::app::plan_main_toolbar_command(
                pp::app::MainToolbarCommand::save_document);
            if (plan)
                execute_main_toolbar_plan(*this, plan.value());
        };
    }
    if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-undo"))
    {
        button->on_click = [this, button](Node*) {
            const auto plan = pp::app::plan_main_toolbar_command(
                pp::app::MainToolbarCommand::undo,
                static_cast<int>(ActionManager::I.m_actions.size()));
            if (plan)
                execute_main_toolbar_plan(*this, plan.value());
        };
    }
    if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-redo"))
    {
        button->on_click = [this, button](Node*) {
            const auto plan = pp::app::plan_main_toolbar_command(
                pp::app::MainToolbarCommand::redo,
                0,
                static_cast<int>(ActionManager::I.m_redos.size()));
            if (plan)
                execute_main_toolbar_plan(*this, plan.value());
        };
    }
    if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-clean-memory"))
    {
        button->on_click = [this](Node*) {
            const auto plan = pp::app::plan_main_toolbar_command(
                pp::app::MainToolbarCommand::clear_history,
                static_cast<int>(ActionManager::I.m_actions.size()),
                static_cast<int>(ActionManager::I.m_redos.size()),
                static_cast<int>(ActionManager::I.m_memory));
            if (plan)
                execute_main_toolbar_plan(*this, plan.value());
        };
    }
    if (auto* button = layout[main_id]->find<NodeButton>("btn-clear"))
    {
        button->on_click = [this](Node*) {
            //exit(0); 
            const auto plan = pp::app::plan_main_toolbar_command(
                pp::app::MainToolbarCommand::clear_canvas,
                0,
                0,
                0,
                static_cast<bool>(canvas));
            if (plan)
                execute_main_toolbar_plan(*this, plan.value());
        };
    }
    if (auto* button = layout[main_id]->find<NodeButton>("btn-popup"))
    {
        button->on_click = [this](Node*) {
            const auto plan = pp::app::plan_main_toolbar_command(
                pp::app::MainToolbarCommand::show_message_box);
            if (plan)
                execute_main_toolbar_plan(*this, plan.value());
        };
    }
    if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-settings"))
    {
        button->on_click = [this](Node*) {
            const auto plan = pp::app::plan_main_toolbar_command(
                pp::app::MainToolbarCommand::show_settings);
            if (plan)
                execute_main_toolbar_plan(*this, plan.value());
        };
    }
}

template <class T> std::shared_ptr<T> create_panel(LayoutManager& manager)
{
    std::shared_ptr<T> ret;
    ret = std::make_shared<T>();
    ret->set_manager(&manager);
    ret->init();
    ret->create();
    ret->loaded();
    return ret;
}

void App::init_sidebar()
{
    sidebar = layout[main_id]->find<NodeBorder>("sidebar");
    canvas = layout[main_id]->find<NodeCanvas>("paint-canvas");
    quick = layout[main_id]->find<NodePanelQuick>("panel-quick");
    floatings_container = layout[main_id]->find<Node>("floatings");

    //brushes = layout[main_id]->find<NodePanelBrush>("panel-brush");
    //layers = layout[main_id]->find<NodePanelLayer>("panel-layer");
    //color = layout[main_id]->find<NodePanelColor>("panel-color");
    //stroke = layout[main_id]->find<NodePanelStroke>("panel-stroke");

    //brushes = find_or_create_panel<NodePanelBrush>(panels);
    layers = create_panel<NodePanelLayer>(layout);
    color = create_panel<NodePanelColor>(layout);
    stroke = create_panel<NodePanelStroke>(layout);
    grid = create_panel<NodePanelGrid>(layout);
    presets = create_panel<NodePanelBrushPreset>(layout);
    animation = create_panel<NodePanelAnimation>(layout);
    //presets = find_or_create_panel<NodePanelBrushPreset>(panels);

    canvas->m_canvas->on_mode_changed = [this](kCanvasMode prev, kCanvasMode mode) {
        quick_mode_state[prev] = quick->get_state();
        if (quick_mode_state.find(mode) != quick_mode_state.end())
            quick->set_state(quick_mode_state[mode], true);
        else
            quick->reset_state(true);
        brush_update(true, true);
    };
    color->on_color_changed = [this](Node* target, glm::vec4 color) {
        apply_brush_color_plan(*this, color, true, false);
    };

    stroke->on_brush_changed = [this](Node* target, const std::string& path, const std::string& thumb) {
        apply_brush_texture_plan(pp::app::BrushUiTextureSlot::tip, path, thumb);
    };
    stroke->on_pattern_changed = [this](Node*target, const std::string& path, const std::string& thumb) {
        apply_brush_texture_plan(pp::app::BrushUiTextureSlot::pattern, path, thumb);
    };
    stroke->on_dual_changed = [this](Node*target, const std::string& path, const std::string& thumb) {
        apply_brush_texture_plan(pp::app::BrushUiTextureSlot::dual, path, thumb);
    };
    stroke->on_stroke_change = [this](Node*) {
        const auto plan = pp::app::plan_brush_ui_stroke_settings_changed();
        brush_update(plan.update_color_ui, plan.update_brush_ui);
    };

    quick->on_color_change = [this](Node*, glm::vec3 c) {
        apply_brush_color_plan(*this, glm::vec4(c, 1.f), false, true);
    };
    quick->on_flow_change = [this](Node*, float value) {
        stroke->set_flow(value, true, true);
    };
    quick->on_size_change = [this](Node*, float value) {
        stroke->set_size(value, true, true);
    };
    quick->on_brush_change = [this](Node*, std::shared_ptr<Brush> b) {
        apply_brush_preset_plan(*this, b);
    };

    layers->on_layer_add = [this](Node*, std::shared_ptr<class Layer> layer, int index) {
        const auto plan = pp::app::plan_document_layer_add(
            static_cast<int>(Canvas::I->m_layers.size()),
            index,
            layers->m_layers.back()->m_label_text);
        if (!plan)
            return;
        Canvas::I->layer_add(plan.value().name, layer, plan.value().insert_index);
        Canvas::I->m_unsaved = plan.value().marks_unsaved;
        Canvas::I->anim_update();
        if (plan.value().reloads_animation_layers)
            animation->load_layers();
        if (plan.value().updates_title)
            title_update();
    };

    layers->on_layer_duplicate = [this](Node*, int source_index) {
        const auto plan = pp::app::plan_document_layer_duplicate(
            static_cast<int>(Canvas::I->m_layers.size()),
            source_index);
        if (!plan)
            return;
        Canvas::I->layer_add(layers->m_layers.back()->m_label_text.c_str(), nullptr, plan.value().insert_index);
        auto& dst = Canvas::I->m_layers[plan.value().insert_index];
        auto& src = Canvas::I->m_layers[plan.value().source_index];
        for (int i = 1; i < src->frames_count(); i++)
            dst->add_frame();
        Canvas::I->anim_update();
        for (int frame = 0; frame < src->frames_count(); frame++)
        {
            for (int i = 0; i < 6; i++)
            {
                if (!src->face(i))
                    continue;
                bool loaded = src->frame(frame).gpu_load();
                dst->frame(frame).gpu_load();
                dst->rtt(i, frame).copy(src->rtt(i));
                dst->face(i, frame) = src->face(i);
                dst->box(i, frame) = src->box(i);
                if (!loaded)
                {
                    dst->frame(frame).gpu_unload();
                    src->frame(frame).gpu_unload();
                }
            }
        }
        dst->m_opacity = src->m_opacity;
        dst->m_blend_mode = src->m_blend_mode;
        dst->m_alpha_locked = src->m_alpha_locked;
        Canvas::I->m_unsaved = plan.value().marks_unsaved;
        if (plan.value().reloads_animation_layers)
            animation->load_layers();
        if (plan.value().updates_title)
            title_update();
    };

    layers->on_layer_change = [this](Node*, int old_idx, int new_idx) {
        const auto plan = pp::app::plan_document_layer_select(
            static_cast<int>(canvas->m_canvas->m_layers.size()),
            new_idx);
        if (!plan)
            return;
        canvas->m_canvas->m_current_layer_idx = plan.value().index;
        if (plan.value().reloads_animation_layers)
            animation->load_layers();
    };

    layers->on_layer_order = [this](Node*, int old_idx, int new_idx) {
        const auto plan = pp::app::plan_document_layer_reorder(
            static_cast<int>(canvas->m_canvas->m_layers.size()),
            old_idx,
            new_idx);
        if (!plan || !plan.value().mutates_document)
            return;
        canvas->m_canvas->layer_order(plan.value().from_index, plan.value().to_index);
        canvas->m_canvas->m_unsaved = plan.value().marks_unsaved;
        if (plan.value().reloads_animation_layers)
            animation->load_layers();
        if (plan.value().updates_title)
            title_update();
    };

    layers->on_layer_delete = [this](Node*, int idx) {
        const auto plan = pp::app::plan_document_layer_remove(
            static_cast<int>(canvas->m_canvas->m_layers.size()),
            idx);
        if (!plan)
            return;
        canvas->m_canvas->layer_remove(plan.value().index);
        canvas->m_canvas->m_unsaved = plan.value().marks_unsaved;
        if (plan.value().reloads_animation_layers)
            animation->load_layers();
        if (plan.value().updates_title)
            title_update();
    };

    layers->on_layer_opacity_changed = [this](Node*, int idx, float value) {
        const auto plan = pp::app::plan_document_layer_opacity(
            static_cast<int>(canvas->m_canvas->m_layers.size()),
            idx,
            value);
        if (!plan)
            return;
        canvas->m_canvas->m_layers[plan.value().index]->m_opacity = plan.value().opacity;
        canvas->m_canvas->m_unsaved = plan.value().marks_unsaved;
        if (plan.value().updates_title)
            title_update();
    };

    layers->on_layer_visibility_changed = [this](Node*, int idx, bool visible) {
        const auto plan = pp::app::plan_document_layer_visibility(
            static_cast<int>(canvas->m_canvas->m_layers.size()),
            idx,
            visible);
        if (!plan)
            return;
        canvas->m_canvas->m_layers[plan.value().index]->m_visible = plan.value().flag;
        canvas->m_canvas->m_unsaved = plan.value().marks_unsaved;
        if (plan.value().reloads_animation_layers)
            animation->load_layers();
        if (plan.value().updates_title)
            title_update();
    };
    
    layers->on_layer_alpha_lock_changed = [this](Node*, int idx, bool locked) {
        const auto plan = pp::app::plan_document_layer_alpha_lock(
            static_cast<int>(canvas->m_canvas->m_layers.size()),
            idx,
            locked);
        if (!plan)
            return;
        canvas->m_canvas->m_layers[plan.value().index]->m_alpha_locked = plan.value().flag;
        canvas->m_canvas->m_unsaved = plan.value().marks_unsaved;
        if (plan.value().updates_title)
            title_update();
    };
    
    layers->on_layer_blend_mode_changed = [this](Node*, int idx, int mode) {
        const auto plan = pp::app::plan_document_layer_blend_mode(
            static_cast<int>(canvas->m_canvas->m_layers.size()),
            idx,
            mode);
        if (!plan)
            return;
        canvas->m_canvas->m_layers[plan.value().index]->m_blend_mode = plan.value().blend_mode;
        canvas->m_canvas->m_unsaved = plan.value().marks_unsaved;
        if (plan.value().updates_title)
            title_update();
    };

    layers->on_layer_highlight_changed = [this](Node*, int idx, bool highlight) {
        const auto plan = pp::app::plan_document_layer_highlight(
            static_cast<int>(canvas->m_canvas->m_layers.size()),
            idx,
            highlight);
        if (!plan)
            return;
        canvas->m_canvas->m_layers[plan.value().index]->m_hightlight = plan.value().flag;
    };
    if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-stroke"))
    {
        button->on_click = [this, button](Node*) {
            auto screen = layout[main_id]->m_size;
            glm::vec2 pos = button->m_pos + glm::vec2(button->m_size.x * 0.5f, button->m_size.y);
            if (stroke->m_parent)
            {
                if (auto fp = dynamic_cast<NodePanelFloating*>(stroke->m_parent->m_parent))
                {
                    stroke->remove_from_parent();
                    fp->destroy();
                }
            }
            layout[main_id]->add_child(stroke);
            stroke->SetSize(350, glm::max(100.f, screen.y - pos.y - 50.f));
            stroke->find("title")->SetVisibility(true);
            auto tick = layout[main_id]->add_child<NodeImage>();
            tick->SetPositioning(YGPositionTypeAbsolute);
            tick->SetSize(32, 16);
            tick->SetPosition(pos.x - 16, pos.y);
            tick->set_image("data/ui/popup-tick-up.png");
            layout[main_id]->update();

            stroke->SetPosition(pos.x - stroke->m_size.x / 2.f, pos.y + 16);
            stroke->SetPositioning(YGPositionTypeAbsolute);
            stroke->m_capture_children = false;
            stroke->m_mouse_ignore = false;
            stroke->mouse_capture();
            auto scroll = stroke->find<NodeScroll>("scroller");
            //scroll->SetHeight(glm::max(100.f, screen.y - pos.y - 200.f));

            stroke->on_popup_close = [this, tick](Node*) {
                tick->destroy();
            };
        };
    }
    //if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-brush"))
    //{
    //    button->on_click = [this, button](Node*) {
    //        panels->get_child_index(brushes.get()) == -1 ? panels->add_child(brushes) : panels->remove_child(brushes.get());
    //        panels->fix_scroll();
    //        button->set_color(panels->get_child_index(brushes.get()) == -1 ? color_button_normal : color_button_hlight);
    //    };
    //}
    //if (auto* button = layout[main_id]->find<NodeButton>("btn-brush-preset"))
    //{
    //    button->on_click = [this, button](Node*) {
    //        panels->get_child_index(presets.get()) == -1 ? panels->add_child(presets) : panels->remove_child(presets.get());
    //        panels->fix_scroll();
    //        button->set_color(panels->get_child_index(presets.get()) == -1 ? color_button_normal : color_button_hlight);
    //    };
    //}
    if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-color"))
    {
        button->on_click = [this, button](Node*) {
            auto screen = layout[main_id]->m_size;
            glm::vec2 pos = button->m_pos + glm::vec2(button->m_size.x * 0.5f, button->m_size.y);
            layout[main_id]->add_child(color);
            color->find("title")->SetVisibility(true);
            color->SetSize(350, 350);
            auto tick = layout[main_id]->add_child<NodeImage>();
            tick->SetPositioning(YGPositionTypeAbsolute);
            tick->SetSize(32, 16);
            tick->SetPosition(pos.x - 16, pos.y);
            tick->set_image("data/ui/popup-tick-up.png");
            layout[main_id]->update();

            color->SetPosition(pos.x - color->m_size.x / 2.f, pos.y + 16);
            color->SetPositioning(YGPositionTypeAbsolute);
            color->m_capture_children = false;
            color->m_mouse_ignore = false;
            color->mouse_capture();

            color->on_popup_close = [this, tick](Node*) {
                tick->destroy();
            };
        };
    }
    if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-layer"))
    {
        button->on_click = [this, button](Node*) {
            auto screen = layout[main_id]->m_size;
            glm::vec2 pos = button->m_pos + glm::vec2(button->m_size.x * 0.5f, button->m_size.y);
            layers->find("title")->SetVisibility(true);
            layers->SetSize(350, YGUndefined);
            if (layers->m_parent)
            {
                if (auto fp = dynamic_cast<NodePanelFloating*>(layers->m_parent->m_parent))
                {
                    layers->remove_from_parent();
                    fp->destroy();
                }
            }
            layout[main_id]->add_child(layers);
            auto tick = layout[main_id]->add_child<NodeImage>();
            tick->SetPositioning(YGPositionTypeAbsolute);
            tick->SetSize(32, 16);
            tick->SetPosition(pos.x - 16, pos.y);
            tick->set_image("data/ui/popup-tick-up.png");
            layout[main_id]->update();

            layers->SetPosition(pos.x - layers->m_size.x / 2.f, pos.y + 16);
            layers->SetPositioning(YGPositionTypeAbsolute);
            layers->m_capture_children = false;
            layers->m_mouse_ignore = false;
            layers->mouse_capture();
            auto scroll = layers->find<NodeScroll>("layers-container");
            scroll->SetMaxHeight(glm::max(100.f, screen.y - pos.y - 200.f));

            layers->on_popup_close = [this, tick](Node*) {
                tick->destroy();
            };
        };
    }
    if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-grids-panel"))
    {
        button->on_click = [this, button](Node*) {
            auto screen = layout[main_id]->m_size;
            glm::vec2 pos = button->m_pos + glm::vec2(button->m_size.x * 0.5f, button->m_size.y);
            grid->find("title")->SetVisibility(true);
            grid->SetSize(350, YGUndefined);
            if (grid->m_parent)
            {
                if (auto fp = dynamic_cast<NodePanelFloating*>(grid->m_parent->m_parent))
                {
                    grid->remove_from_parent();
                    fp->destroy();
                }
            }
            layout[main_id]->add_child(grid);
            auto tick = layout[main_id]->add_child<NodeImage>();
            tick->SetPositioning(YGPositionTypeAbsolute);
            tick->SetSize(32, 16);
            tick->SetPosition(pos.x - 16, pos.y);
            tick->set_image("data/ui/popup-tick-up.png");
            layout[main_id]->update();

            grid->SetPosition(pos.x - grid->m_size.x / 2.f, pos.y + 16);
            grid->SetPositioning(YGPositionTypeAbsolute);
            grid->m_capture_children = false;
            grid->m_mouse_ignore = false;
            grid->mouse_capture();
            auto scroll = grid->find<NodeScroll>("scroller");
            scroll->SetMaxHeight(glm::max(100.f, screen.y - pos.y - 250.f));

            grid->on_popup_close = [this, tick](Node*) {
                tick->destroy();
            };
        };
    }
}
template<class T>
void select_button(Node* main, T* button) {
    main->find<NodeButtonCustom>("btn-pen")->set_active(false);
    main->find<NodeButtonCustom>("btn-erase")->set_active(false);
    main->find<NodeButtonCustom>("btn-line")->set_active(false);
    main->find<NodeButton>("btn-cam")->set_active(false);
    main->find<NodeButton>("btn-grid")->set_active(false);
    main->find<NodeButton>("btn-copy")->set_active(false);
    main->find<NodeButton>("btn-cut")->set_active(false);
    //main->find<NodeButton>("btn-fill")->set_color(color_button_normal);
    main->find<NodeButtonCustom>("btn-mask-free")->set_active(false);
    main->find<NodeButtonCustom>("btn-mask-line")->set_active(false);
    main->find<NodeButtonCustom>("btn-bucket")->set_active(false);
    button->set_active(false);
};

kCanvasMode canvas_mode_from_tool(pp::app::CanvasToolMode mode)
{
    switch (mode) {
    case pp::app::CanvasToolMode::draw:
        return kCanvasMode::Draw;
    case pp::app::CanvasToolMode::erase:
        return kCanvasMode::Erase;
    case pp::app::CanvasToolMode::line:
        return kCanvasMode::Line;
    case pp::app::CanvasToolMode::camera:
        return kCanvasMode::Camera;
    case pp::app::CanvasToolMode::grid:
        return kCanvasMode::Grid;
    case pp::app::CanvasToolMode::copy:
        return kCanvasMode::Copy;
    case pp::app::CanvasToolMode::cut:
        return kCanvasMode::Cut;
    case pp::app::CanvasToolMode::fill:
        return kCanvasMode::Fill;
    case pp::app::CanvasToolMode::mask_free:
        return kCanvasMode::MaskFree;
    case pp::app::CanvasToolMode::mask_line:
        return kCanvasMode::MaskLine;
    case pp::app::CanvasToolMode::flood_fill:
        return kCanvasMode::FloodFill;
    }
    return kCanvasMode::Draw;
}

template<class T>
void apply_canvas_tool_select(App& app, T* button, pp::app::CanvasToolMode mode)
{
    const auto plan = pp::app::plan_canvas_tool_select(mode);
    if (plan.selects_toolbar_button)
        select_button(app.layout[app.main_id], button);

    if (plan.transform_action == pp::app::CanvasToolTransformAction::copy) {
        auto* transform = static_cast<CanvasModeTransform*>(
            app.canvas->m_canvas->modes[(int)kCanvasMode::Copy][0]);
        transform->m_action = CanvasModeTransform::ActionType::Copy;
    } else if (plan.transform_action == pp::app::CanvasToolTransformAction::cut) {
        auto* transform = static_cast<CanvasModeTransform*>(
            app.canvas->m_canvas->modes[(int)kCanvasMode::Cut][0]);
        transform->m_action = CanvasModeTransform::ActionType::Cut;
    }

    if (plan.updates_canvas_mode)
        Canvas::set_mode(canvas_mode_from_tool(plan.mode));
}

void App::init_toolbar_draw()
{
    if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-pen"))
    {
        button->on_click = [this, button](Node*) {
            apply_canvas_tool_select(*this, button, pp::app::CanvasToolMode::draw);
        };
        //button->set_active(true);
        const auto plan = pp::app::plan_canvas_tool_select(pp::app::CanvasToolMode::draw);
        if (plan.updates_canvas_mode)
            Canvas::set_mode(canvas_mode_from_tool(plan.mode));
    }
    if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-pick"))
    {
        button->on_click = [this](Node*) {
            CanvasModePen* mode = (CanvasModePen*)canvas->m_canvas->modes[(int)kCanvasMode::Draw][0];
            const auto plan = pp::app::plan_canvas_tool_pick_toggle(
                canvas->m_canvas->m_current_mode == kCanvasMode::Draw);
            if (mode && plan.toggles_picking)
            {
                mode->m_picking = !mode->m_picking;
            }
        };
    }
    if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-touchlock"))
    {
        button->on_click = [this](Node*) {
            const auto plan = pp::app::plan_canvas_tool_touch_lock_toggle();
            if (plan.toggles_touch_lock)
                canvas->m_canvas->m_touch_lock = !canvas->m_canvas->m_touch_lock;
        };
    }
    if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-erase"))
    {
        button->on_click = [this, button](Node*) {
            apply_canvas_tool_select(*this, button, pp::app::CanvasToolMode::erase);
        };
    }
    if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-line"))
    {
        button->on_click = [this, button](Node*) {
            apply_canvas_tool_select(*this, button, pp::app::CanvasToolMode::line);
        };
    }
    if (auto* button = layout[main_id]->find<NodeButton>("btn-cam"))
    {
        button->on_click = [this, button](Node*) {
            apply_canvas_tool_select(*this, button, pp::app::CanvasToolMode::camera);
        };
    }
    if (auto* button = layout[main_id]->find<NodeButton>("btn-grid"))
    {
        button->on_click = [this, button](Node*) {
            apply_canvas_tool_select(*this, button, pp::app::CanvasToolMode::grid);
        };
    }
    if (auto* button = layout[main_id]->find<NodeButton>("btn-copy"))
    {
        button->on_click = [this, button](Node*) {
            apply_canvas_tool_select(*this, button, pp::app::CanvasToolMode::copy);
        };
    }
    if (auto* button = layout[main_id]->find<NodeButton>("btn-cut"))
    {
        button->on_click = [this, button](Node*) {
            apply_canvas_tool_select(*this, button, pp::app::CanvasToolMode::cut);
        };
    }
    if (auto* button = layout[main_id]->find<NodeButton>("btn-fill"))
    {
        // polygon fill
        button->on_click = [this, button](Node*) {
            apply_canvas_tool_select(*this, button, pp::app::CanvasToolMode::fill);
        };
    }
    if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-mask-free"))
    {
        button->on_click = [this, button](Node*) {
            apply_canvas_tool_select(*this, button, pp::app::CanvasToolMode::mask_free);
        };
    }
    if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-mask-line"))
    {
        button->on_click = [this, button](Node*) {
            apply_canvas_tool_select(*this, button, pp::app::CanvasToolMode::mask_line);
        };
    }
    if (auto* button = layout[main_id]->find<NodeButtonCustom>("btn-bucket"))
    {
        button->on_click = [this, button](Node*) {
            apply_canvas_tool_select(*this, button, pp::app::CanvasToolMode::flood_fill);
        };
    }
}

void App::init_menu_file()
{
    if (auto* menu_file = layout[main_id]->find<NodeButtonCustom>("menu-file"))
    {
        menu_file->on_click = [=](Node*) {
            glm::vec2 pos = menu_file->m_pos + glm::vec2(0, menu_file->m_size.y);
            auto popup = layout[const_hash("file-menu")]->m_children[0]->clone<NodePopupMenu>();
            popup->update();
            if (YGNodeStyleGetDirection(layout[main_id]->y_node) == YGDirectionRTL)
                pos.x = pos.x - popup->m_size.x + menu_file->m_size.x;
            popup->SetPositioning(YGPositionTypeAbsolute);
            popup->SetPosition(pos.x, pos.y);
            layout[main_id]->add_child(popup);

            if (auto b = popup->find<NodeButtonCustom>("file-newdoc"))
                b->on_click = [this, popup](Node*) {
                    apply_file_menu_plan(*this, pp::app::FileMenuCommand::new_document);
                    popup->mouse_release();
                    popup->destroy();
                };
            if (auto b = popup->find<NodeButtonCustom>("file-import"))
                b->on_click = [this, popup](Node*) {
                    apply_file_menu_plan(*this, pp::app::FileMenuCommand::import_image);
                    popup->mouse_release();
                    popup->destroy();
                };
            if (auto b = popup->find<NodeButtonCustom>("file-open"))
                b->on_click = [this, popup](Node*) {
                    apply_file_menu_plan(*this, pp::app::FileMenuCommand::open_project);
                    popup->mouse_release();
                    popup->destroy();
                };
            if (auto b = popup->find<NodeButtonCustom>("file-browse"))
                b->on_click = [this, popup](Node*) {
                    apply_file_menu_plan(*this, pp::app::FileMenuCommand::browse_cloud);
                    popup->mouse_release();
                    popup->destroy();
                };
            if (auto b = popup->find<NodeButtonCustom>("file-save"))
                b->on_click = [this, popup](Node*) {
                    apply_file_menu_plan(*this, pp::app::FileMenuCommand::save);
                    popup->mouse_release();
                    popup->destroy();
                };
            if (auto b = popup->find<NodeButtonCustom>("file-save-as"))
                b->on_click = [this, popup](Node*) {
                    apply_file_menu_plan(*this, pp::app::FileMenuCommand::save_as);
                    popup->mouse_release();
                    popup->destroy();
                };
            if (auto b = popup->find<NodeButtonCustom>("file-save-ver"))
                b->on_click = [this, popup](Node*) {
                    apply_file_menu_plan(*this, pp::app::FileMenuCommand::save_version);
                    popup->mouse_release();
                    popup->destroy();
                };
            if (auto b = popup->find<NodeButtonCustom>("file-export"))
                b->on_click = [this, popup](Node*) {
                    apply_file_menu_plan(*this, pp::app::FileMenuCommand::export_jpeg);
                    popup->mouse_release();
                    popup->destroy();
                };
            if (auto b = popup->find<NodeButtonCustom>("file-export-tick"))
                b->on_click = [this, b, popup](Node*) {
                    glm::vec2 pos = b->m_pos + glm::vec2(b->m_size.x, 0);
                    auto subpopup = layout[const_hash("file-submenu-export")]->m_children[0]->clone<NodePopupMenu>();
                    subpopup->update();
                    if (YGNodeStyleGetDirection(layout[main_id]->y_node) == YGDirectionRTL)
                        pos.x = pos.x - subpopup->m_size.x + b->m_size.x;
                    subpopup->SetPositioning(YGPositionTypeAbsolute);
                    subpopup->SetPosition(pos.x, pos.y);
                    layout[main_id]->add_child(subpopup);
                    subpopup->find<NodeButtonCustom>("file-submenu-export-png")->on_click = [this, subpopup, popup](Node*) {
                        apply_document_export_menu_plan(*this, pp::app::DocumentExportMenuKind::png);
                        popup->mouse_release();
                        popup->destroy();
                        subpopup->mouse_release();
                        subpopup->destroy();
                    };
                    subpopup->find<NodeButtonCustom>("file-submenu-export-layers")->on_click = [this, subpopup, popup](Node*) {
                        apply_document_export_menu_plan(*this, pp::app::DocumentExportMenuKind::layers);
                        popup->mouse_release();
                        popup->destroy();
                        subpopup->mouse_release();
                        subpopup->destroy();
                    };
                    subpopup->find<NodeButtonCustom>("file-submenu-export-cube")->on_click = [this, subpopup, popup](Node*) {
                        apply_document_export_menu_plan(*this, pp::app::DocumentExportMenuKind::cube_faces);
                        popup->mouse_release();
                        popup->destroy();
                        subpopup->mouse_release();
                        subpopup->destroy();
                    };
                    subpopup->find<NodeButtonCustom>("file-submenu-export-depth")->on_click = [this, subpopup, popup](Node*) {
                        apply_document_export_menu_plan(*this, pp::app::DocumentExportMenuKind::depth);
                        popup->mouse_release();
                        popup->destroy();
                        subpopup->mouse_release();
                        subpopup->destroy();
                    };
                    subpopup->find<NodeButtonCustom>("file-submenu-export-anim")->on_click = [this, subpopup, popup](Node*) {
                        apply_document_export_menu_plan(*this, pp::app::DocumentExportMenuKind::animation_frames);
                        popup->mouse_release();
                        popup->destroy();
                        subpopup->mouse_release();
                        subpopup->destroy();
                    };
                    subpopup->find<NodeButtonCustom>("file-submenu-export-anim-mp4")->on_click = [this, subpopup, popup](Node*) {
                        apply_document_export_menu_plan(*this, pp::app::DocumentExportMenuKind::animation_mp4);
                        popup->mouse_release();
                        popup->destroy();
                        subpopup->mouse_release();
                        subpopup->destroy();
                    };
                    subpopup->find<NodeButtonCustom>("file-submenu-export-timelapse")->on_click = [this, subpopup, popup](Node*) {
                        apply_document_export_menu_plan(*this, pp::app::DocumentExportMenuKind::timelapse);
                        popup->mouse_release();
                        popup->destroy();
                        subpopup->mouse_release();
                        subpopup->destroy();
                    };
            };
            if (auto b = popup->find<NodeButtonCustom>("file-share"))
                b->on_click = [this, popup](Node*) {
                    apply_file_menu_plan(*this, pp::app::FileMenuCommand::share);
                    popup->mouse_release();
                    popup->destroy();
                };
            if (auto b = popup->find<NodeButtonCustom>("file-resize"))
                b->on_click = [this, popup](Node*) {
                    apply_file_menu_plan(*this, pp::app::FileMenuCommand::resize);
                    popup->mouse_release();
                    popup->destroy();
                };
            if (auto b = popup->find<NodeButtonCustom>("file-cloud-upload"))
                b->on_click = [this, popup](Node*) {
                    apply_file_menu_plan(*this, pp::app::FileMenuCommand::cloud_upload);
                    popup->mouse_release();
                    popup->destroy();
                };
            if (auto b = popup->find<NodeButtonCustom>("file-cloud-browse"))
                b->on_click = [this, popup](Node*) {
                    apply_file_menu_plan(*this, pp::app::FileMenuCommand::cloud_browse);
                    popup->mouse_release();
                    popup->destroy();
                };
        };
    }
}

void App::init_menu_edit()
{
    if (auto* menu_file = layout[main_id]->find<NodeButtonCustom>("menu-edit"))
    {
        menu_file->on_click = [=](Node*) {
            glm::vec2 pos = menu_file->m_pos + glm::vec2(0, menu_file->m_size.y);
            auto popup = layout[const_hash("edit-menu")]->m_children[0]->clone<NodePopupMenu>();
            popup->update();
            if (YGNodeStyleGetDirection(layout[main_id]->y_node) == YGDirectionRTL)
                pos.x = pos.x - popup->m_size.x + menu_file->m_size.x;
            popup->SetPositioning(YGPositionTypeAbsolute);
            popup->SetPosition(pos.x, pos.y);
            layout[main_id]->add_child(popup);
        };
    }
}

void App::init_menu_tools()
{
    auto main = layout[main_id];

    if (auto menu_exp = main->find<NodeButtonCustom>("menu-tools"))
    {
        menu_exp->on_click = [this, menu_exp, main](Node*) {
            glm::vec2 pos = menu_exp->m_pos + glm::vec2(0, menu_exp->m_size.y);
            auto popup_exp = layout[const_hash("tools-menu")]->m_children[0]->clone<NodePopupMenu>();
            popup_exp->update();
            if (YGNodeStyleGetDirection(layout[main_id]->y_node) == YGDirectionRTL)
                pos.x = pos.x - popup_exp->m_size.x + menu_exp->m_size.x;
            popup_exp->SetPositioning(YGPositionTypeAbsolute);
            popup_exp->SetPosition(pos.x, pos.y);
            layout[main_id]->add_child(popup_exp);

            if (auto tick = popup_exp->find<NodeButtonCustom>("tools-panels")) tick->on_click = [this, popup_exp](Node* b)
            {
                const auto menu_plan = pp::app::plan_tools_menu_command(pp::app::ToolsMenuCommand::panels);
                if (menu_plan.action != pp::app::ToolsMenuAction::show_panels_submenu)
                    return;

                glm::vec2 pos = b->m_pos + glm::vec2(b->m_size.x, 0);
                auto popup_time = layout[const_hash("panels-menu")]->m_children[0]->clone<NodePopupMenu>();
                popup_time->update();
                if (YGNodeStyleGetDirection(layout[main_id]->y_node) == YGDirectionRTL)
                    pos.x = pos.x - popup_time->m_size.x + b->m_size.x;
                popup_time->SetPositioning(YGPositionTypeAbsolute);
                popup_time->SetPosition(pos.x, pos.y);
                layout[main_id]->add_child(popup_time);

                auto visible = [this](Node* panel) {
                    if (!panel)
                        return false;
                    for (auto& c : floatings_container->m_children)
                    {
                        if (auto fp = std::static_pointer_cast<NodePanelFloating>(c))
                        {
                            if (fp->m_container->is_child(panel))
                                return true;
                        }
                    }
                    return false;
                };

                popup_time->find<NodeButtonCustom>("panel-presets")->on_click = [this, popup_time, popup_exp, visible](Node*) {
                    const auto plan = pp::app::plan_tools_panel(
                        pp::app::ToolsPanel::presets,
                        visible(floating_presets.get()));
                    if (!should_open_tools_panel(plan))
                        return;
                    auto fpanel = floatings_container->add_child<NodePanelFloating>();
                    fpanel->m_class = NodePanelFloating::kClass::Presets;
                    apply_tools_panel_chrome(*fpanel, plan);
                    if (!floating_presets)
                    {
                        floating_presets = fpanel->m_container->add_child_ref<NodePanelBrushPreset>();
                        floating_presets->SetHeightP(100);
                        //floating_presets->SetFlexGrow(1);
                        //floating_presets->find("toolbar")->destroy();
                        floating_presets->on_brush_changed = [this](Node* target, std::shared_ptr<Brush>& b) {
                            apply_brush_preset_plan(*this, b);
                        };
                    }
                    else
                    {
                        fpanel->m_container->add_child(floating_presets);
                    }
                    popup_exp->destroy();
                    popup_time->destroy();
                };

                popup_time->find<NodeButtonCustom>("panel-color")->on_click = [this, popup_time, popup_exp, visible](Node*) {
                    const auto plan = pp::app::plan_tools_panel(
                        pp::app::ToolsPanel::color,
                        visible(floating_color.get()));
                    if (!should_open_tools_panel(plan))
                        return;
                    auto fpanel = floatings_container->add_child<NodePanelFloating>();
                    fpanel->m_class = NodePanelFloating::kClass::Color;
                    apply_tools_panel_chrome(*fpanel, plan);
                    if (!floating_color)
                    {
                        floating_color = fpanel->m_container->add_child_ref<NodePanelColor>();
                        floating_color->SetHeightP(100);
                        //floating_color->SetMinHeight(300);
                        if (plan.hides_embedded_title)
                            floating_color->find("title")->SetVisibility(false);
                        floating_color->on_color_changed = [this](Node* target, glm::vec4 color) {
                            apply_brush_color_plan(*this, color, false, false);
                        };
                    }
                    else
                    {
                        fpanel->m_container->add_child(floating_color);
                    }
                    popup_exp->destroy();
                    popup_time->destroy();
                };
                popup_time->find<NodeButtonCustom>("panel-color-adv")->on_click = [this, popup_time, popup_exp, visible](Node*) {
                    const auto plan = pp::app::plan_tools_panel(
                        pp::app::ToolsPanel::color_advanced,
                        visible(floating_picker.get()));
                    if (!should_open_tools_panel(plan))
                        return;
                    auto fpanel = floatings_container->add_child<NodePanelFloating>();
                    fpanel->m_class = NodePanelFloating::kClass::ColorAdv;
                    apply_tools_panel_chrome(*fpanel, plan);
                    if (!floating_picker)
                    {
                        floating_picker = fpanel->m_container->add_child_ref<NodeColorPicker>();
                        //floating_picker->find("title")->SetVisibility(false);
                        //floating_picker->SetHeightP(100);
                        //floating_picker->SetWidth(250);
                        floating_picker->m_autohide = false;
                        floating_picker->on_color_change = [this](Node* target, glm::vec3 color) {
                            apply_brush_color_plan(*this, glm::vec4(color, 1.f), false, false);
                        };
                    }
                    else
                    {
                        fpanel->m_container->add_child(floating_picker);
                    }
                    popup_exp->destroy();
                    popup_time->destroy();
                };
                popup_time->find<NodeButtonCustom>("panel-layers")->on_click = [this, popup_time, popup_exp, visible](Node*) {
                    const auto plan = pp::app::plan_tools_panel(
                        pp::app::ToolsPanel::layers,
                        visible(layers.get()));
                    if (!should_open_tools_panel(plan))
                        return;
                    auto fpanel = floatings_container->add_child<NodePanelFloating>();
                    fpanel->m_class = NodePanelFloating::kClass::Layers;
                    apply_tools_panel_chrome(*fpanel, plan);
                    fpanel->m_container->add_child(layers);
                    layers->SetPositioning(YGPositionTypeRelative);
                    layers->SetPosition(0, 0);
                    layers->SetWidthP(100);
                    layers->SetHeightP(100);
                    layers->SetFlexShrink(0);
                    if (plan.hides_embedded_title)
                        layers->find("title")->SetVisibility(false);

                    popup_exp->destroy();
                    popup_time->destroy();
                };
                popup_time->find<NodeButtonCustom>("panel-brush")->on_click = [this, popup_time, popup_exp, visible](Node*) {
                    const auto plan = pp::app::plan_tools_panel(
                        pp::app::ToolsPanel::brush,
                        visible(stroke.get()));
                    if (!should_open_tools_panel(plan))
                        return;
                    auto fpanel = floatings_container->add_child<NodePanelFloating>();
                    fpanel->m_class = NodePanelFloating::kClass::Brush;
                    fpanel->m_container->add_child(stroke);
                    apply_tools_panel_chrome(*fpanel, plan);
                    stroke->SetPositioning(YGPositionTypeRelative);
                    stroke->SetPosition(0, 0);
                    stroke->SetWidthP(100);
                    stroke->SetHeightP(100);
                    if (plan.hides_embedded_title)
                        stroke->find("title")->SetVisibility(false);

                    popup_exp->destroy();
                    popup_time->destroy();
                };
                popup_time->find<NodeButtonCustom>("panel-grids")->on_click = [this, popup_time, popup_exp, visible](Node*) {
                    const auto plan = pp::app::plan_tools_panel(
                        pp::app::ToolsPanel::grids,
                        visible(grid.get()));
                    if (!should_open_tools_panel(plan))
                        return;
                    auto fpanel = floatings_container->add_child<NodePanelFloating>();
                    fpanel->m_class = NodePanelFloating::kClass::Grids;
                    fpanel->m_container->add_child(grid);
                    apply_tools_panel_chrome(*fpanel, plan);
                    grid->SetPositioning(YGPositionTypeRelative);
                    grid->SetPosition(0, 0);
                    grid->SetWidthP(100);
                    grid->SetHeightP(100);
                    if (plan.hides_embedded_title)
                        grid->find("title")->SetVisibility(false);

                    popup_exp->destroy();
                    popup_time->destroy();
                };
                popup_time->find<NodeButtonCustom>("panel-animation")->on_click = [this, popup_time, popup_exp, visible](Node*) {
                    const auto plan = pp::app::plan_tools_panel(
                        pp::app::ToolsPanel::animation,
                        visible(animation.get()));
                    if (!should_open_tools_panel(plan))
                        return;
                    auto fpanel = floatings_container->add_child<NodePanelFloating>();
                    fpanel->m_class = NodePanelFloating::kClass::Animation;
                    fpanel->m_container->add_child(animation);
                    apply_tools_panel_chrome(*fpanel, plan);
                    animation->SetPositioning(YGPositionTypeRelative);
                    animation->SetPosition(0, 0);
                    animation->SetWidthP(100);
                    animation->SetHeightP(100);

                    popup_exp->destroy();
                    popup_time->destroy();
                };
            };

            if (auto options = popup_exp->find<NodeButtonCustom>("tools-options")) options->on_click = [this, options, main](Node* b)
            {
                const auto menu_plan = pp::app::plan_tools_menu_command(pp::app::ToolsMenuCommand::options);
                if (menu_plan.action != pp::app::ToolsMenuAction::show_options_submenu)
                    return;

                glm::vec2 pos = b->m_pos + glm::vec2(b->m_size.x, 0);
                auto popup_time = layout[const_hash("options-menu")]->m_children[0]->clone<NodePopupMenu>();
                popup_time->update();
                if (YGNodeStyleGetDirection(layout[main_id]->y_node) == YGDirectionRTL)
                    pos.x = pos.x - popup_time->m_size.x + b->m_size.x;
                popup_time->SetPositioning(YGPositionTypeAbsolute);
                popup_time->SetPosition(pos.x, pos.y);
                layout[main_id]->add_child(popup_time);

                if (auto ui_scale = popup_time->find<NodeComboBox>("tools-ui-scale"))
                {
                    std::vector<float> scale_options;
                    scale_options.reserve(ui_scale->m_data.size());
                    for (int i = 0; i < ui_scale->m_data.size(); i++)
                        scale_options.push_back(ui_scale->get_float(i));

                    const auto selection = pp::app::plan_scale_option_selection(App::I->zoom, scale_options);
                    if (selection.has_selection)
                        ui_scale->set_index(static_cast<int>(selection.index));

                    ui_scale->on_select = [ui_scale](Node* target, int index)
                    {
                        App::I->set_ui_scale(ui_scale->get_float(index));
                    };
                }

                if (auto vp_scale = popup_time->find<NodeComboBox>("tools-vp-scale"))
                {
                    std::vector<float> scale_options;
                    scale_options.reserve(vp_scale->m_data.size());
                    for (int i = 0; i < vp_scale->m_data.size(); i++)
                        scale_options.push_back(vp_scale->get_float(i));

                    const auto selection = pp::app::plan_scale_option_selection(App::I->canvas->m_density, scale_options);
                    if (selection.has_selection)
                        vp_scale->set_index(static_cast<int>(selection.index));

                    vp_scale->on_select = [vp_scale](Node* target, int index)
                    {
                        const auto plan = pp::app::plan_viewport_scale(vp_scale->get_float(index));
                        App::I->canvas->set_density(plan.scale);
                        Settings::set("vp-scale", Serializer::Float(plan.scale));
                        Settings::save();
                    };
                }

                if (auto rtl_btn = popup_time->find<NodeButtonCustom>("tools-rtl"))
                {
                    NodeCheckBox* cb = rtl_btn->find<NodeCheckBox>("tools-rtl-check");
                    cb->set_value(ui_rtl, false);

                    rtl_btn->on_click = [this, rtl_btn](Node* b)
                    {
                        NodeCheckBox* cb = rtl_btn->find<NodeCheckBox>("tools-rtl-check");
                        cb->set_value(!cb->checked, true);
                    };
                
                    rtl_btn->find<NodeCheckBox>("tools-rtl-check")->on_value_changed = [this, main](Node*, bool checked) 
                    {
                        set_ui_rtl(checked);
                    };
                }

                if (auto vr_btn = popup_time->find<NodeButtonCustom>("tools-vr"))
                {
                    NodeCheckBox* cb = vr_btn->find<NodeCheckBox>("tools-vr-check");
                    cb->set_value(has_vr);

                    vr_btn->on_click = [this, vr_btn](Node* b)
                    {
                        NodeCheckBox* cb = vr_btn->find<NodeCheckBox>("tools-vr-check");
                        cb->set_value(!cb->checked, true);
                    };

                    vr_btn->find<NodeCheckBox>("tools-vr-check")->on_value_changed = [this, main](Node* target, bool checked)
                    {
                        if (checked)
                        {
                            if (!vr_start())
                            {
                                auto cb = static_cast<NodeCheckBox*>(target);
                                cb->set_value(false);
                                message_box("VR Failed", "Couldn't start Virtual Reality mode");
                            }
                        }
                        else
                        {
                            vr_stop();
                        }
                    };
                }

                if (auto vr_btn = popup_time->find<NodeButtonCustom>("tools-vr-controllers"))
                {
                    NodeCheckBox* cb = vr_btn->find<NodeCheckBox>("tools-vr-controllers-check");
                    cb->set_value(vr_controllers_enabled);

                    vr_btn->on_click = [this, vr_btn](Node* b)
                    {
                        NodeCheckBox* cb = vr_btn->find<NodeCheckBox>("tools-vr-controllers-check");
                        cb->set_value(!cb->checked, true);
                    };

                    vr_btn->find<NodeCheckBox>("tools-vr-controllers-check")->on_value_changed = [this, main](Node* target, bool checked)
                    {
                        const auto plan = pp::app::plan_vr_controllers_preference(checked);
                        vr_controllers_enabled = plan.value;
                        Settings::set("vr-controllers-enabled", Serializer::Boolean(plan.value));
                        Settings::save();
                    };
                }

                if (auto btn = popup_time->find<NodeButtonCustom>("tools-timelapse"))
                {
                    NodeCheckBox* cb = btn->find<NodeCheckBox>("tools-timelapse-check");
                    cb->set_value(Settings::value_or<Serializer::Boolean>("auto-timelapse", true), false);

                    btn->on_click = [this, btn](Node* b)
                    {
                        NodeCheckBox* cb = btn->find<NodeCheckBox>("tools-timelapse-check");
                        cb->set_value(!cb->checked, true);
                    };

                    btn->find<NodeCheckBox>("tools-timelapse-check")->on_value_changed = [this, main](Node*, bool checked)
                    {
                        const auto plan = pp::app::plan_timelapse_preference(checked, App::I->rec_running);
                        if (plan.recording_action == pp::app::TimelapseRecordingAction::stop_recording)
                            App::I->rec_stop();
                        else if (plan.recording_action == pp::app::TimelapseRecordingAction::start_recording)
                            App::I->rec_start();
                        Settings::set("auto-timelapse", Serializer::Boolean(plan.enabled));
                        Settings::save();
                    };
                }

                if (auto mode = popup_time->find<NodeComboBox>("tools-show-cursor"))
                {
                    mode->set_index(Settings::value_or<Serializer::Integer>("show-cursor", 0));

                    mode->on_select = [mode](Node* target, int index)
                    {
                        const auto plan = pp::app::plan_canvas_cursor_mode(index);
                        App::I->canvas->set_cursor_visibility((NodeCanvas::kCursorVisibility)plan.value);
                        Settings::set("show-cursor", Serializer::Integer(plan.value));
                        Settings::save();
                    };
                }
            };

            popup_exp->find<NodeButtonCustom>("clear-grids")->on_click = [this, popup_exp](Node*) {
                const auto plan = pp::app::plan_tools_menu_command(pp::app::ToolsMenuCommand::clear_grids);
                execute_tools_menu_plan(*this, plan);
                if (plan.closes_root_popup)
                {
                    popup_exp->mouse_release();
                    popup_exp->destroy();
                }
            };

            popup_exp->find<NodeButtonCustom>("camera-reset")->on_click = [this, popup_exp](Node*) {
                const auto plan = pp::app::plan_tools_menu_command(pp::app::ToolsMenuCommand::reset_camera);
                execute_tools_menu_plan(*this, plan);
                if (plan.closes_root_popup)
                {
                    popup_exp->mouse_release();
                    popup_exp->destroy();
                }
            };

            popup_exp->find<NodeButtonCustom>("shortcuts")->on_click = [this, popup_exp](Node*) {
                const auto plan = pp::app::plan_tools_menu_command(pp::app::ToolsMenuCommand::shortcuts);
                execute_tools_menu_plan(*this, plan);
                if (plan.closes_root_popup)
                {
                    popup_exp->mouse_release();
                    popup_exp->destroy();
                }
            };

/*
            popup_exp->find<NodeButtonCustom>("mp4test")->on_click = [this, popup_exp](Node*) {
                dialog_export_mp4();
                popup_exp->mouse_release();
                popup_exp->destroy();
            };
*/

#if __IOS__
            popup_exp->find<NodeButtonCustom>("sonarpen")->on_click = [this, popup_exp](Node*) {
                const auto plan = pp::app::plan_tools_menu_command(pp::app::ToolsMenuCommand::sonarpen, true);
                execute_tools_menu_plan(*this, plan);
                if (plan.closes_root_popup)
                {
                    popup_exp->mouse_release();
                    popup_exp->destroy();
                }
            };
#endif
        };
    }
}

void App::init_menu_about()
{
    if (auto* menu_file = layout[main_id]->find<NodeButtonCustom>("menu-about"))
    {
        menu_file->on_click = [=](Node*) {
            glm::vec2 pos = menu_file->m_pos + glm::vec2(0, menu_file->m_size.y);
            auto popup = layout[const_hash("about-menu")]->m_children[0]->clone<NodePopupMenu>();
            popup->update();
            if (YGNodeStyleGetDirection(layout[main_id]->y_node) == YGDirectionRTL)
                pos.x = pos.x - popup->m_size.x + menu_file->m_size.x;
            popup->SetPositioning(YGPositionTypeAbsolute);
            popup->SetPosition(pos.x, pos.y);
            layout[main_id]->add_child(popup);

            popup->find<NodeButtonCustom>("about-app")->on_click = [this, popup](Node*) {
                const auto plan = pp::app::plan_about_menu_command(
                    pp::app::AboutMenuCommand::about_app,
                    g_version_major,
                    g_version_minor,
                    g_version_fix);
                execute_about_menu_plan(*this, plan);
                if (plan.closes_root_popup)
                {
                    popup->mouse_release();
                    popup->destroy();
                }
            };

            popup->find<NodeButtonCustom>("about-doc")->on_click = [this, popup](Node*) {
//                 auto path = Asset::absolute("data/doc/test.pdf");
//                 display_file(path);
                const auto plan = pp::app::plan_about_menu_command(
                    pp::app::AboutMenuCommand::help_guide,
                    g_version_major,
                    g_version_minor,
                    g_version_fix);
                execute_about_menu_plan(*this, plan);
                if (plan.closes_root_popup)
                {
                    popup->mouse_release();
                    popup->destroy();
                }
            };

            if (auto item = popup->find<NodeButtonCustom>("about-news"))
            {
                if (auto text = item->find<NodeText>("menu-label"))
                {
                    const auto plan = pp::app::plan_about_menu_command(
                        pp::app::AboutMenuCommand::whats_new,
                        g_version_major,
                        g_version_minor,
                        g_version_fix);
                    text->set_text(plan.label.c_str());
                }
                item->on_click = [this, popup](Node*) {
                    const auto plan = pp::app::plan_about_menu_command(
                        pp::app::AboutMenuCommand::whats_new,
                        g_version_major,
                        g_version_minor,
                        g_version_fix);
                    execute_about_menu_plan(*this, plan);
                    if (plan.closes_root_popup)
                    {
                        popup->mouse_release();
                        popup->destroy();
                    }
                };
            }
            
            if (auto b = popup->find<NodeButtonCustom>("about-crash"))
            {
                b->on_click = [this, popup](Node*) {
                    const auto plan = pp::app::plan_about_menu_command(
                        pp::app::AboutMenuCommand::induce_crash,
                        g_version_major,
                        g_version_minor,
                        g_version_fix);
                    execute_about_menu_plan(*this, plan);
                    if (plan.closes_root_popup)
                    {
                        popup->mouse_release();
                        popup->destroy();
                    }
                };
            }

            if (auto b = popup->find<NodeButtonCustom>("about-perf"))
            {
                b->on_click = [this, popup](Node*) {
                    const auto plan = pp::app::plan_about_menu_command(
                        pp::app::AboutMenuCommand::performance_test,
                        g_version_major,
                        g_version_minor,
                        g_version_fix,
                        true,
                        Canvas::I != nullptr);
                    execute_about_menu_plan(*this, plan);
                    if (plan.closes_root_popup)
                    {
                        popup->mouse_release();
                        popup->destroy();
                    }
                };
            }
        };
    }
}

void App::brush_update(bool update_color, bool update_brush)
{
//     brushes->select_brush(canvas->m_brush->id);
//     stroke->set_params(canvas->m_brush);
    render_task_async([this, update_color, update_brush]
    {
        if (update_brush)
        {
            stroke->update_controls();
            quick->m_slider_flow->set_value(stroke->m_tip_flow->get_value());
            quick->m_slider_size->set_value(stroke->m_tip_size->get_value());
            *quick->m_button_brush_current_preview->m_brush = *Canvas::I->m_current_brush;
            quick->m_button_brush_current_preview->draw_stroke();
        }
        if (update_color)
        {
            quick->m_button_color_current_inner->m_color = Canvas::I->m_current_brush->m_tip_color;
            if (floating_picker)
                floating_picker->set_color(Canvas::I->m_current_brush->m_tip_color);
            if (floating_color)
                floating_color->set_color(Canvas::I->m_current_brush->m_tip_color);
        }
    }, true);
}

void App::init_menu_layer()
{
    if (auto* menu_file = layout[main_id]->find<NodeButtonCustom>("menu-layers"))
    {
        menu_file->on_click = [=](Node*) {
            glm::vec2 pos = menu_file->m_pos + glm::vec2(0, menu_file->m_size.y);
            auto popup = layout[const_hash("layers-menu")]->m_children[0]->clone<NodePopupMenu>();
            popup->update();
            if (YGNodeStyleGetDirection(layout[main_id]->y_node) == YGDirectionRTL)
                pos.x = pos.x - popup->m_size.x + menu_file->m_size.x;
            popup->SetPositioning(YGPositionTypeAbsolute);
            popup->SetPosition(pos.x, pos.y);
            layout[main_id]->add_child(popup);

            popup->find<NodeButtonCustom>("layer-clear")->on_click = [this, popup](Node*) {
                const auto plan = make_layer_menu_plan(pp::app::DocumentLayerMenuCommand::clear, *this);
                execute_document_layer_menu_plan(*this, plan);
                popup->mouse_release();
                popup->destroy();
            };
            {
                const auto plan = make_layer_menu_plan(pp::app::DocumentLayerMenuCommand::clear, *this);
                popup->find<NodeButtonCustom>("layer-clear")->
                    find<NodeText>("menu-label")->
                    set_text(plan.label.c_str());
            }

            popup->find<NodeButtonCustom>("layer-rename")->on_click = [this, popup](Node*) {
                const auto plan = make_layer_menu_plan(pp::app::DocumentLayerMenuCommand::rename, *this);
                execute_document_layer_menu_plan(*this, plan);
                popup->mouse_release();
                popup->destroy();
            };
            {
                const auto plan = make_layer_menu_plan(pp::app::DocumentLayerMenuCommand::rename, *this);
                popup->find<NodeButtonCustom>("layer-rename")->
                    find<NodeText>("menu-label")->
                    set_text(plan.label.c_str());
            }

            popup->find<NodeButtonCustom>("layer-merge")->on_click = [this, popup](Node*) {
                const auto plan = make_layer_menu_plan(pp::app::DocumentLayerMenuCommand::merge_down, *this);
                execute_document_layer_menu_plan(*this, plan);
                popup->mouse_release();
                popup->destroy();
            };
            {
                const auto plan = make_layer_menu_plan(pp::app::DocumentLayerMenuCommand::merge_down, *this);
                popup->find<NodeButtonCustom>("layer-merge")->
                    find<NodeText>("menu-label")->
                    set_text(plan.label.c_str());
            }

        };
    }
}

void App::initLayout()
{
    LOG("initializing layout statics");
    NodeBorder::static_init();
    NodeImage::static_init();
    NodeIcon::static_init();
    NodeStrokePreview::static_init();

    static std::vector<std::shared_ptr<Layer>> saved_layers;
    layout.on_reloading = [&] {
        saved_layers = std::move(Canvas::I->m_layers);
        ui_save();
        NodeStrokePreview::empty_queue();
    };

    layout.on_loaded = [&] (bool reloaded) {
        LOG("initializing layout updating after load %d x %d zoom %f", (int)width, (int)height, zoom);
        layout[main_id]->update(width, height, zoom);

        LOG("initializing layout components");
 
        init_sidebar();

        if (reloaded)
        {
            for (const auto& l : saved_layers)
                layers->add_layer(l->m_name.c_str(), false, true, l);
        }
        else
        {
            layers->add_layer("Default", false, true);
            Canvas::I->m_unsaved = false;
        }
        
        init_toolbar_draw();
        init_toolbar_main();
        init_menu_file();
        init_menu_edit();
        init_menu_layer();
        init_menu_tools();
        init_menu_about();

        // set version string
        if (auto* version_label = layout[main_id]->find<NodeText>("version"))
        {
            version_label->set_text(g_version);
        }

        if (auto x = layout[main_id]->find<NodeBorder>("ext-fbf"))
        {
            x->m_color = ShaderManager::ext_framebuffer_fetch ? glm::vec4(0, 1, 0, 1) : glm::vec4(1, 0, 0, 1);
        }

        if (auto x = layout[main_id]->find<NodeBorder>("ext-flt"))
        {
            if (ShaderManager::ext_float32 || ShaderManager::ext_float16)
            {
                if (auto t = x->find<NodeText>("ext-flt-text"))
                {
                    if (ShaderManager::ext_float32_linear)
                        t->set_text("F32L");
                    else if (ShaderManager::ext_float32)
                        t->set_text("F32");
                    else if (ShaderManager::ext_float16)
                        t->set_text("F16");
                }
                x->m_color = glm::vec4(0, 1, 0, 1);
            }
            else
            {
                x->m_color = glm::vec4(1, 0, 0, 1);
            }
        }

        dialog_whatsnew(false);

        brush_update(true, true);
        
        // hacky thing to make the toolbar buttons not steal events when moving cursor fast
        if (auto* toolbar = layout[main_id]->find<Node>("toolbar"))
            toolbar->m_flood_events = true;

        NodeImage* n = new NodeImage;
        n->m_path = "data/ui/p-black.png";
        n->m_tex_id = const_hash("data/ui/p-black.png");
        n->SetSize(30, 45);
        n->create();

        NodeButtonCustom* butt = new NodeButtonCustom;
        butt->create();
        butt->add_child(n);
        butt->SetPositioning(YGPositionTypeAbsolute);
        butt->set_color({ 0, 0, 0, 0 });
        //n->SetPosition(100, 100);
        YGNodeStyleSetPosition(butt->y_node, YGEdgeBottom, 8);
        YGNodeStyleSetPosition(butt->y_node, YGEdgeLeft, 10);
        //butt->SetSize(30, 45);
        layout[main_id]->add_child(butt);

        butt->on_click = [this](Node*){
            toggle_ui();
        };

        ui_restore();

        redraw = true;
    };

    LOG("initializing layout xml");
    if (layout.m_loaded)
    {
        LOG("restore layout");
        layout.restore_context();
    }
    else
        layout.load("data/layout.xml");
    LOG("initializing layout completed");

    LOG("initializing layout designer xml");
    layout_designer.on_loaded = [&](bool reloaded) {
        layout_designer.create();
        //layout_designer[main_id]->add_child(layout_designer.instantiate("shortcuts"));
        auto p = layout_designer[main_id]->add_child<NodeShortcuts>();
        //p->SetPosition(300, 300);
        //p->SetSize(600, 400);
        //p->m_container->add_child<NodePanelAnimation>();
    };
    //layout_designer.load("data/dialogs/shortcuts.xml");
}

void App::set_ui_scale(float scale)
{
    const auto plan = pp::app::plan_ui_scale(scale, display_density);
    zoom = plan.scale;
    FontManager::change_scale(plan.font_scale);
    Settings::set("ui-scale", Serializer::Float(plan.scale));
    Settings::save();
    App::I->title_update();
}

void App::set_ui_rtl(bool rtl)
{
    const auto plan = pp::app::plan_interface_direction(rtl);
    ui_rtl = plan.direction == pp::app::InterfaceDirection::right_to_left;
    layout[main_id]->find("central-row")->SetRTL(
        ui_rtl ? YGDirectionRTL : YGDirectionLTR);
}

bool App::get_ui_rtl() const
{
    return ui_rtl;
}

void App::ui_save()
{
    Serializer::Descriptor d;
    d.class_id = "ui-state";
    
    Serializer::List list_floatings;
    for (auto const& c : layout[main_id]->find("floatings")->m_children)
    {
        if (auto const& f = std::dynamic_pointer_cast<NodePanelFloating>(c))
        {
            auto fd = list_floatings.add<Serializer::Descriptor>();
            fd->class_id = "ui-flt";
            fd->set("pos", Serializer::Vec2(f->GetPosition()));
            fd->set("size", Serializer::Vec2(f->m_size));
            fd->set("class", Serializer::Integer((int)f->m_class));
            fd->set("title", Serializer::CString(f->m_title->m_text));
        }
    }
    d.set("floatings", list_floatings);

    Serializer::List list_drop_left;
    for (auto const& c : layout[main_id]->find("drop-left")->m_children)
    {
        if (auto const& f = std::dynamic_pointer_cast<NodePanelFloating>(c))
        {
            auto fd = list_drop_left.add<Serializer::Descriptor>();
            fd->class_id = "ui-dpl";
            fd->set("size", Serializer::Vec2(f->m_size));
            fd->set("class", Serializer::Integer((int)f->m_class));
            fd->set("title", Serializer::CString(f->m_title->m_text));
        }
    }
    d.set("drop-left", list_drop_left);

    Serializer::List list_drop_right;
    for (auto const& c : layout[main_id]->find("drop-right")->m_children)
    {
        if (auto const& f = std::dynamic_pointer_cast<NodePanelFloating>(c))
        {
            auto fd = list_drop_right.add<Serializer::Descriptor>();
            fd->class_id = "ui-dpr";
            fd->set("size", Serializer::Vec2(f->m_size));
            fd->set("class", Serializer::Integer((int)f->m_class));
            fd->set("title", Serializer::CString(f->m_title->m_text));
        }
    }
    d.set("drop-right", list_drop_right);

    Settings::set("ui", d);
    Settings::set("ui-rtl", Serializer::Boolean(ui_rtl));
    
#if _WIN32
    extern void win32_save_window_state();
    win32_save_window_state();
#elif __OSX__
    [osx_app save_ui_state];
#endif

    Settings::save();
}

void App::ui_restore()
{
    if (Settings::has("ui-rtl"))
        set_ui_rtl(Settings::value<Serializer::Integer>("ui-rtl"));
    
    if (!Settings::has("ui"))
        return;

    auto floatings = layout[main_id]->find_ref("floatings");
    auto drop_left = layout[main_id]->find_ref("drop-left");
    auto drop_right = layout[main_id]->find_ref("drop-right");
    auto d = Settings::get<Serializer::Descriptor>("ui");
    for (auto const& l : d->get<Serializer::List>("floatings")->items)
    {
        auto ld = std::static_pointer_cast<Serializer::Descriptor>(l);
        auto pos = ld->value<Serializer::Vec2>("pos");
        auto size = ld->value<Serializer::Vec2>("size");
        auto cls = static_cast<NodePanelFloating::kClass>(ld->value<Serializer::Integer>("class"));
        auto f = floatings->add_child<NodePanelFloating>();
        std::string title = "Floating Panel";
        ld->value<Serializer::CString>("title", title);
        f->m_title->set_text(title.c_str());
        switch (cls)
        {
        case NodePanelFloating::kClass::Presets:
        {
            floating_presets = f->m_container->add_child_ref<NodePanelBrushPreset>();
            floating_presets->SetHeightP(100);
            //floating_presets->find("toolbar")->destroy();
            floating_presets->on_brush_changed = [this](Node* target, std::shared_ptr<Brush>& b) {
                apply_brush_preset_plan(*this, b);
            };
            break;
        }
        case NodePanelFloating::kClass::Color:
        {
            floating_color = f->m_container->add_child_ref<NodePanelColor>();
            floating_color->SetHeightP(100);
            floating_color->find("title")->SetVisibility(false);
            floating_color->on_color_changed = [this](Node* target, glm::vec4 color) {
                apply_brush_color_plan(*this, color, false, false);
            };
            break;
        }
        case NodePanelFloating::kClass::ColorAdv:
        {
            floating_picker = f->m_container->add_child_ref<NodeColorPicker>();
            floating_picker->m_autohide = false;
            floating_picker->on_color_change = [this](Node* target, glm::vec3 color) {
                apply_brush_color_plan(*this, glm::vec4(color, 1.f), false, false);
            };
            break;
        }
        case NodePanelFloating::kClass::Layers:
            f->m_container->add_child(layers);
            f->SetMinHeight(100);
            f->SetHeight(300);
            layers->find("title")->SetVisibility(false);
            layers->SetPositioning(YGPositionTypeRelative);
            layers->SetPosition(0, 0);
            layers->SetWidthP(100);
            layers->SetHeightP(100);
            layers->SetFlexShrink(0);
            break;
        case NodePanelFloating::kClass::Brush:
            f->m_container->add_child(stroke);
            stroke->find("title")->SetVisibility(false);
            stroke->SetPositioning(YGPositionTypeRelative);
            stroke->SetPosition(0, 0);
            stroke->SetWidthP(100);
            stroke->SetHeightP(100);
            break;
        case NodePanelFloating::kClass::Grids:
            f->m_container->add_child(grid);
            grid->find("title")->SetVisibility(false);
            grid->SetPositioning(YGPositionTypeRelative);
            grid->SetPosition(0, 0);
            grid->SetWidthP(100);
            grid->SetHeightP(100);
            break;
        case NodePanelFloating::kClass::Animation:
            f->m_container->add_child(animation);
            f->m_droppable = false;
            //grid->find("title")->SetVisibility(false);
            animation->SetPositioning(YGPositionTypeRelative);
            animation->SetPosition(0, 0);
            animation->SetWidthP(100);
            animation->SetHeightP(100);
            break;
        case NodePanelFloating::kClass::Generic:
        default:
            f->m_container->add_child<Node>();
            break;
        }
        f->m_class = cls;
        f->SetSize(size);
        f->SetPosition(pos);
        f->SetPositioning(YGPositionTypeAbsolute);
    }

    for (auto const& l : d->get<Serializer::List>("drop-left")->items)
    {
        auto ld = std::static_pointer_cast<Serializer::Descriptor>(l);
        auto size = ld->value<Serializer::Vec2>("size");
        auto cls = static_cast<NodePanelFloating::kClass>(ld->value<Serializer::Integer>("class"));
        auto f = drop_left->add_child<NodePanelFloating>();
        std::string title = "Floating Panel";
        ld->value<Serializer::CString>("title", title);
        f->m_title->set_text(title.c_str());
        switch (cls)
        {
        case NodePanelFloating::kClass::Presets:
        {
            auto floating_presets = f->m_container->add_child<NodePanelBrushPreset>();
            floating_presets->SetHeightP(100);
            //floating_presets->find("toolbar")->destroy();
            floating_presets->on_brush_changed = [this](Node* target, std::shared_ptr<Brush>& b) {
                apply_brush_preset_plan(*this, b);
            };
            break;
        }
        case NodePanelFloating::kClass::Color:
        {
            auto floating_color = f->m_container->add_child<NodePanelColor>();
            floating_color->SetHeightP(100);
            floating_color->find("title")->destroy();
            floating_color->on_color_changed = [this](Node* target, glm::vec4 color) {
                apply_brush_color_plan(*this, color, false, false);
            };
            break;
        }
        case NodePanelFloating::kClass::ColorAdv:
        {
            floating_picker = f->m_container->add_child_ref<NodeColorPicker>();
            floating_picker->m_autohide = false;
            floating_picker->on_color_change = [this](Node* target, glm::vec3 color) {
                apply_brush_color_plan(*this, glm::vec4(color, 1.f), false, false);
            };
            break;
        }
        case NodePanelFloating::kClass::Layers:
            f->m_container->add_child(layers);
            layers->SetPositioning(YGPositionTypeRelative);
            layers->SetPosition(0, 0);
            layers->SetWidthP(100);
            layers->SetHeightP(100);
            layers->SetFlexShrink(0);
            break;
        case NodePanelFloating::kClass::Brush:
            f->m_container->add_child(stroke);
            stroke->SetPositioning(YGPositionTypeRelative);
            stroke->SetPosition(0, 0);
            stroke->SetWidthP(100);
            stroke->SetHeightP(100);
            break;
        case NodePanelFloating::kClass::Grids:
            f->m_container->add_child(grid);
            grid->SetPositioning(YGPositionTypeRelative);
            grid->SetPosition(0, 0);
            grid->SetWidthP(100);
            grid->SetHeightP(100);
            break;
        case NodePanelFloating::kClass::Generic:
        default:
            f->m_container->add_child<Node>();
            break;
        }
        f->m_class = cls;
        f->m_dock = drop_left;
        f->SetPositioning(YGPositionTypeRelative);
        f->SetPosition(0, 0);
        f->SetSize(size);
    }

    for (auto const& l : d->get<Serializer::List>("drop-right")->items)
    {
        auto ld = std::static_pointer_cast<Serializer::Descriptor>(l);
        auto size = ld->value<Serializer::Vec2>("size");
        auto cls = static_cast<NodePanelFloating::kClass>(ld->value<Serializer::Integer>("class"));
        auto f = drop_right->add_child<NodePanelFloating>();
        std::string title = "Floating Panel";
        ld->value<Serializer::CString>("title", title);
        f->m_title->set_text(title.c_str());
        switch (cls)
        {
        case NodePanelFloating::kClass::Presets:
        {
            auto floating_presets = f->m_container->add_child<NodePanelBrushPreset>();
            floating_presets->SetHeightP(100);
            //floating_presets->find("toolbar")->destroy();
            floating_presets->on_brush_changed = [this](Node* target, std::shared_ptr<Brush>& b) {
                apply_brush_preset_plan(*this, b);
            };
            break;
        }
        case NodePanelFloating::kClass::Color:
        {
            auto floating_color = f->m_container->add_child<NodePanelColor>();
            floating_color->SetHeightP(100);
            floating_color->find("title")->destroy();
            floating_color->on_color_changed = [this](Node* target, glm::vec4 color) {
                apply_brush_color_plan(*this, color, false, false);
            };
            break;
        }
        case NodePanelFloating::kClass::ColorAdv:
        {
            floating_picker = f->m_container->add_child_ref<NodeColorPicker>();
            floating_picker->m_autohide = false;
            floating_picker->on_color_change = [this](Node* target, glm::vec3 color) {
                apply_brush_color_plan(*this, glm::vec4(color, 1.f), false, false);
            };
            break;
        }
        case NodePanelFloating::kClass::Layers:
            f->m_container->add_child(layers);
            layers->SetPositioning(YGPositionTypeRelative);
            layers->SetPosition(0, 0);
            layers->SetWidthP(100);
            layers->SetHeightP(100);
            layers->SetFlexShrink(0);
            break;
        case NodePanelFloating::kClass::Brush:
            f->m_container->add_child(stroke);
            stroke->SetPositioning(YGPositionTypeRelative);
            stroke->SetPosition(0, 0);
            stroke->SetWidthP(100);
            stroke->SetHeightP(100);
            break;
        case NodePanelFloating::kClass::Grids:
            f->m_container->add_child(grid);
            grid->SetPositioning(YGPositionTypeRelative);
            grid->SetPosition(0, 0);
            grid->SetWidthP(100);
            grid->SetHeightP(100);
            break;
        case NodePanelFloating::kClass::Generic:
        default:
            f->m_container->add_child<Node>();
            break;
        }
        f->m_class = cls;
        f->m_dock = drop_right;
        f->SetPositioning(YGPositionTypeRelative);
        f->SetPosition(0, 0);
        f->SetSize(size);
    }
}