kr580 1.1.0

//! View layer for the desktop UI.

mod about;
mod chips;
mod current_command;
mod cycles;
mod editors;
mod export_modal;
mod font_warmup;
mod help;
mod icons;
mod import_modal;
mod lamps;
mod memory_list;
pub(crate) use memory_list::{operand_jump_target, operand_port_number};
mod menu;
mod menu_dropdowns;
mod menu_labels;
mod modal;
mod monitor;
mod monitor_font;
pub(crate) mod monitor_image;
mod mux;
mod network;
mod network_settings;
mod notices;
mod opcode_dropdown;
mod printer;
mod printer_setup;
mod schematic;
mod settings_dialog;
mod speed;
mod status_register;
mod storage;
mod styles;
pub(crate) mod theme;
mod tooltips;
mod utils;
mod widgets;
mod windows;

use iced::widget::{Space, column, container, mouse_area, opaque, row, stack};
use iced::{Element, Length};

use modal::discard_modal_overlay;
use monitor::monitor_window_overlay;
use network::network_window_overlay;
use notices::{error_notice_overlay, halt_notice_overlay, with_settings_saved_notice};
use printer::printer_window_overlay;
use printer_setup::with_printer_setup_overlay;
use settings_dialog::settings_modal_overlay;
use storage::{floppy_window_overlay, hdd_window_overlay};
use styles::app_style;

use about::about_modal_overlay;
use export_modal::{ExportModalViewState, export_modal_overlay};
use help::help_modal_overlay;
use import_modal::{ImportModalViewState, import_modal_overlay};

use crate::app::{DesktopApp, MenuId, Message, PendingAction};

/// Vertical offset of the dropdown so its top border sits on the
/// menu bar's bottom hairline.
const MENU_DROPDOWN_TOP: f32 = 34.0;

/// Per-trigger horizontal offset. Tied to `.left(11)` padding in
/// `menu/menu_bar()`. Exposed so the bar's hairline can punch a hole
/// under the open dropdown.
pub(super) const FILE_MENU_DROPDOWN_LEFT: f32 = 39.0;
pub(super) const MP_MENU_DROPDOWN_LEFT: f32 = 93.0;
/// View menu trigger offset between MP and Settings. Coupled to the
/// same `.left(11)` bar padding and the per-trigger label widths.
pub(super) const VIEW_MENU_DROPDOWN_LEFT: f32 = 130.0;
/// Right-most menu trigger ("Помощь" / "Help"). Coupled to the same
/// `.left(11)` bar padding and the per-trigger label widths between
/// `MP_MENU_DROPDOWN_LEFT` and this offset.
pub(super) const HELP_MENU_DROPDOWN_LEFT: f32 = 308.0;

impl DesktopApp {
    fn main_view(&self) -> Element<'_, Message> {
        let main = row![self.schematic_panel(), self.side_panel()]
            .spacing(8)
            .height(Length::Fill);

        let content = column![self.menu_bar(), main]
            .padding(iced::Padding {
                top: 0.0,
                right: 8.0,
                bottom: 8.0,
                left: 8.0,
            })
            .spacing(8)
            .width(Length::Fill)
            .height(Length::Fill);

        let app_root: Element<'_, Message> = container(content)
            .width(Length::Fill)
            .height(Length::Fill)
            .style(app_style)
            .into();
        let app_root = font_warmup::wrap_startup(self.startup_frames_seen, app_root);

        let app_with_menu: Element<'_, Message> = if let Some(dropdown) = self.menu_dropdown() {
            let left = match self.open_menu {
                Some(MenuId::File) => FILE_MENU_DROPDOWN_LEFT,
                Some(MenuId::Mp) => MP_MENU_DROPDOWN_LEFT,
                Some(MenuId::View) => VIEW_MENU_DROPDOWN_LEFT,
                Some(MenuId::Help) => HELP_MENU_DROPDOWN_LEFT,
                Some(MenuId::Settings) | None => FILE_MENU_DROPDOWN_LEFT,
            };
            stack![app_root, menu_dropdown_overlay(dropdown, left)]
                .width(Length::Fill)
                .height(Length::Fill)
                .into()
        } else {
            app_root
        };

        // Notice stacking order, bottom to top: halt → error.
        let app_with_overlays: Element<'_, Message> =
            if let Some(notice) = self.halt_notice.as_deref() {
                stack![app_with_menu, halt_notice_overlay(notice)]
                    .width(Length::Fill)
                    .height(Length::Fill)
                    .into()
            } else {
                app_with_menu
            };

        let app_with_overlays: Element<'_, Message> =
            if let Some(notice) = self.error_notice.as_deref() {
                stack![app_with_overlays, error_notice_overlay(notice)]
                    .width(Length::Fill)
                    .height(Length::Fill)
                    .into()
            } else {
                app_with_overlays
            };

        // One scrim covers both interactive overlays (opcode picker
        // and menu dropdown). Their dropdowns sit inside `opaque` so
        // inner clicks don't bubble up.
        let scrimmed: Element<'_, Message> = if self.opcode_dropdown_address.is_some() {
            mouse_area(app_with_overlays)
                .on_press(Message::HideOpcodeDropdown)
                .into()
        } else if self.open_menu.is_some() {
            mouse_area(app_with_overlays)
                .on_press(Message::MenuClosed)
                .into()
        } else {
            app_with_overlays
        };

        let layered: Element<'_, Message> = if let Some(action) = self.pending_action.as_ref() {
            let modal = discard_modal_overlay(
                action,
                self.discard_modal_focus,
                self.discard_modal_keyboard_focus_visible,
                self.lang,
            );
            if matches!(action, PendingAction::DeleteHdd)
                && self.hdd_open
                && !self.hdd_window.detached
            {
                stack![
                    scrimmed,
                    hdd_window_overlay(
                        &self.snapshot.devices.hdd,
                        self.hdd_file_exists,
                        self.hdd_show_image_contents,
                        &self.hdd_image_contents,
                        self.hdd_image_error.as_deref(),
                        self.lang,
                    ),
                    modal,
                ]
                .width(Length::Fill)
                .height(Length::Fill)
                .into()
            } else {
                stack![scrimmed, modal]
                    .width(Length::Fill)
                    .height(Length::Fill)
                    .into()
            }
        } else if self.export_modal_open {
            stack![
                scrimmed,
                export_modal_overlay(ExportModalViewState {
                    tab: self.export_tab,
                    target_input: self.export_target_input(),
                    target_options: self.export_target_options(),
                    target_dropdown_open: self.export_target_dropdown_open,
                    target_highlight: self.export_target_highlight,
                    memory_start: &self.export_memory_start_input,
                    memory_end: &self.export_memory_end_input,
                    columns: self.export_memory_columns,
                    registers: self.export_registers,
                    flags: self.export_flags,
                    lang: self.lang,
                })
            ]
            .width(Length::Fill)
            .height(Length::Fill)
            .into()
        } else if self.import_modal_open {
            stack![
                scrimmed,
                import_modal_overlay(ImportModalViewState {
                    file_display: &self.import_file_display,
                    format: self.import_file_format,
                    target_input: &self.import_target_input,
                    target_options: &self.import_target_options,
                    target_dropdown_open: self.import_target_dropdown_open,
                    target_highlight: self.import_target_highlight,
                    target_scroll_reveal: self.import_target_scroll_visible_ticks > 0,
                    error: self.import_error.as_deref(),
                    lang: self.lang,
                })
            ]
            .width(Length::Fill)
            .height(Length::Fill)
            .into()
        } else if let Some(dialog) = self.settings_dialog.as_ref() {
            stack![
                scrimmed,
                settings_modal_overlay(dialog, self.lang, self.file_association_toggle_revision)
            ]
            .width(Length::Fill)
            .height(Length::Fill)
            .into()
        } else if self.about_dialog_open {
            stack![scrimmed, about_modal_overlay(self.lang)]
                .width(Length::Fill)
                .height(Length::Fill)
                .into()
        } else if let Some(dialog) = self.help_dialog.as_ref() {
            stack![scrimmed, help_modal_overlay(dialog, self.lang)]
                .width(Length::Fill)
                .height(Length::Fill)
                .into()
        } else if self.monitor_open && !self.monitor_window.detached {
            stack![
                scrimmed,
                monitor_window_overlay(
                    &self.snapshot.devices.monitor,
                    self.monitor_split,
                    self.monitor_hex_popup,
                    self.monitor_hex_filter,
                    self.monitor_hex_scroll_visible_ticks > 0,
                    self.lang
                )
            ]
            .width(Length::Fill)
            .height(Length::Fill)
            .into()
        } else if self.hdd_open && !self.hdd_window.detached {
            stack![
                scrimmed,
                hdd_window_overlay(
                    &self.snapshot.devices.hdd,
                    self.hdd_file_exists,
                    self.hdd_show_image_contents,
                    &self.hdd_image_contents,
                    self.hdd_image_error.as_deref(),
                    self.lang,
                )
            ]
            .width(Length::Fill)
            .height(Length::Fill)
            .into()
        } else if self.floppy_open && !self.floppy_window.detached {
            stack![
                scrimmed,
                floppy_window_overlay(
                    &self.snapshot.devices.floppy,
                    self.floppy_show_image_contents,
                    &self.floppy_image_contents,
                    self.floppy_image_error.as_deref(),
                    self.lang
                )
            ]
            .width(Length::Fill)
            .height(Length::Fill)
            .into()
        } else if self.network_open && !self.network_window.detached {
            stack![scrimmed, network_window_overlay(self.network_view_state())]
                .width(Length::Fill)
                .height(Length::Fill)
                .into()
        } else if self.printer_open && !self.printer_window.detached {
            stack![
                scrimmed,
                printer_window_overlay(
                    &self.snapshot.devices.printer,
                    self.printer_text_view,
                    self.printer_target_label(),
                    self.lang
                )
            ]
            .width(Length::Fill)
            .height(Length::Fill)
            .into()
        } else {
            scrimmed
        };

        with_settings_saved_notice(
            with_printer_setup_overlay(
                layered,
                self.printer_setup_dialog
                    .as_ref()
                    .filter(|_| !self.printer_setup_uses_detached_window()),
                self.lang,
            ),
            self.settings_saved_notice,
            self.lang,
        )
    }
}

fn menu_dropdown_overlay(dropdown: Element<'_, Message>, left: f32) -> Element<'_, Message> {
    column![
        Space::new().height(Length::Fixed(MENU_DROPDOWN_TOP)),
        row![
            Space::new().width(Length::Fixed(left)),
            opaque(dropdown),
            Space::new().width(Length::Fill),
        ]
        .width(Length::Fill),
    ]
    .width(Length::Fill)
    .height(Length::Fill)
    .into()
}