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// Map, wardley map editor for linux
// Copyright (C) 2026 Rubén Beltrán del Río
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
use gtk::prelude::*;
use relm4::actions::ActionablePlus;
use relm4::prelude::*;
use crate::constants;
use crate::tr;
use crate::icon_names::shipped::{ZOOM_IN_REGULAR, ZOOM_OUT_REGULAR};
use crate::{ZoomInAction, ZoomOutAction, actions::Action};
// Model and Input Messages
pub struct Footer {
zoom: f64,
}
pub struct FooterInit {
pub zoom: f64,
}
#[derive(Debug, Clone)]
pub enum FooterAction {
SetZoom(f64),
}
#[relm4::component(pub)]
impl SimpleComponent for Footer {
type Init = FooterInit;
type Input = FooterAction;
type Output = Action;
view! {
>k::ActionBar {
pack_end = >k::Box {
set_orientation: gtk::Orientation::Horizontal,
gtk::Label {
#[watch]
set_label: &format!("{:.1}x", model.zoom),
set_margin_end: 5
},
gtk::Button::with_label(&tr!("command.view.zoom_out")) {
set_icon_name: ZOOM_OUT_REGULAR,
set_margin_end: 5,
add_css_class: "flat",
add_css_class: "zoom",
add_css_class: "zoom-out",
ActionablePlus::set_stateless_action::<ZoomOutAction>: &(),
},
gtk::Scale {
set_orientation: gtk::Orientation::Horizontal,
set_range: (constants::MIN_ZOOM, constants::MAX_ZOOM),
#[watch]
set_value: model.zoom,
set_draw_value: false,
set_increments: (constants::ZOOM_STEP, constants::ZOOM_STEP),
set_value_pos: gtk::PositionType::Left,
set_width_request: 100,
connect_value_changed[sender] => move |scale| {
sender.output(Action::Zoom(scale.value())).ok();
}
},
gtk::Button::with_label(&tr!("command.view.zoom_in")) {
set_icon_name: ZOOM_IN_REGULAR,
add_css_class: "flat",
add_css_class: "zoom",
add_css_class: "zoom-in",
ActionablePlus::set_stateless_action::<ZoomInAction>: &(),
},
}
}
}
fn init(
init: Self::Init,
root: Self::Root,
sender: ComponentSender<Self>,
) -> ComponentParts<Self> {
let model = Footer { zoom: init.zoom };
let widgets = view_output!();
ComponentParts { model, widgets }
}
fn update(&mut self, message: Self::Input, _sender: ComponentSender<Self>) {
match message {
FooterAction::SetZoom(zoom) => self.zoom = zoom,
}
}
}
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