fui_system 0.14.1

System controls (dialogs, tray etc.) for FUI UI Framework
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use crate::platform::qt::qt_wrapper::{QMenu, QSlot, QString, QSystemTrayIcon};
use crate::platform::Icon;
use crate::{FUISystemError, MenuItem};

pub enum TrayIconType<'a> {
    NoIcon,
    Information,
    Warning,
    Critical,
    Custom(&'a Icon),
}

pub struct TrayIcon {
    qtray: QSystemTrayIcon,
    qmenu: Option<QMenu>,
    slots: Vec<QSlot>,
}

impl TrayIcon {
    pub fn new() -> Result<Self, FUISystemError> {
        Ok(TrayIcon {
            qtray: QSystemTrayIcon::new()?,
            qmenu: None,
            slots: Vec::new(),
        })
    }

    pub fn set_icon(&mut self, icon: &Icon) -> Result<(), FUISystemError> {
        self.qtray.set_icon(&icon.qicon);
        Ok(())
    }

    pub fn set_menu(&mut self, menu_items: Vec<MenuItem>) -> Result<(), FUISystemError> {
        let (mut qmenu, slots) = Self::qmenu_from_menu_items(menu_items)?;
        self.qtray.set_context_menu(&mut qmenu);
        self.qmenu = Some(qmenu);
        self.slots = slots;
        Ok(())
    }

    pub fn set_tool_tip(&mut self, tip: &str) -> Result<(), FUISystemError> {
        let tip = QString::from_str(tip)?;
        self.qtray.set_tool_tip(&tip);
        Ok(())
    }

    pub fn set_visible(&mut self, visible: bool) -> Result<(), FUISystemError> {
        self.qtray.set_visible(visible);
        Ok(())
    }

    pub fn show_message(
        &mut self,
        title: &str,
        message: &str,
        icon: TrayIconType,
        timeout: i32,
    ) -> Result<(), FUISystemError> {
        let title = QString::from_str(title)?;
        let message = QString::from_str(message)?;

        match icon {
            TrayIconType::NoIcon => {
                self.qtray.show_message(&title, &message, 0, timeout);
            }

            TrayIconType::Information => {
                self.qtray.show_message(&title, &message, 1, timeout);
            }
            TrayIconType::Warning => {
                self.qtray.show_message(&title, &message, 2, timeout);
            }

            TrayIconType::Critical => {
                self.qtray.show_message(&title, &message, 3, timeout);
            }

            TrayIconType::Custom(icon) => {
                self.qtray
                    .show_message2(&title, &message, &icon.qicon, timeout);
            }
        }

        Ok(())
    }

    fn qmenu_from_menu_items(
        menu_items: Vec<MenuItem>,
    ) -> Result<(QMenu, Vec<QSlot>), FUISystemError> {
        let mut qmenu = QMenu::new()?;
        let mut slots = Vec::new();

        TrayIcon::qmenu_add_menu_items(&mut qmenu, &mut slots, menu_items)?;

        Ok((qmenu, slots))
    }

    fn qmenu_add_menu_items(
        qmenu: &mut QMenu,
        slots: &mut Vec<QSlot>,
        menu_items: Vec<MenuItem>,
    ) -> Result<(), FUISystemError> {
        for menu_item in menu_items {
            Self::qmenu_add_menu_item(qmenu, slots, menu_item)?;
        }
        Ok(())
    }

    fn qmenu_add_menu_item(
        qmenu: &mut QMenu,
        slots: &mut Vec<QSlot>,
        menu_item: MenuItem,
    ) -> Result<(), FUISystemError> {
        match menu_item {
            MenuItem::Separator => {
                qmenu.add_separator()?;
            }

            MenuItem::Text {
                text,
                shortcut,
                icon,
                callback,
                sub_items,
            } => {
                if !sub_items.is_empty() {
                    let mut qsubmenu = qmenu.add_menu(&QString::from_str(&text)?)?;
                    Self::qmenu_add_menu_items(&mut qsubmenu, slots, sub_items)?;
                } else {
                    let mut qaction = qmenu.add_action_text(&QString::from_str(&text)?)?;
                    if let Some(shortcut) = shortcut {
                        qaction.set_shortcut(&QString::from_str(&shortcut)?);
                    }
                    if let Some(icon) = icon {
                        qaction.set_icon(&icon.qicon);
                    }
                    if let Some(callback) = callback {
                        let slot = qaction.connect_triggered(callback)?;
                        slots.push(slot);
                    }
                }
            }
        }

        Ok(())
    }
}