src/handlers/view.rs


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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 crate::components::header::HeaderAction;
use relm4::prelude::*;

use crate::AppModel;
use wmap_renderer::StageType;

/// Toggles between horizontal and vertical layout orientation.
pub fn change_orientation(model: &mut AppModel) {
    model.orientation = match model.orientation {
        gtk::Orientation::Horizontal => gtk::Orientation::Vertical,
        _ => gtk::Orientation::Horizontal,
    };
    model
        .header
        .emit(HeaderAction::SetLayoutOrientation(model.orientation));
}

/// Updates the selected stage type from dropdown selection.
pub fn stage_type_selected(model: &mut AppModel, stage_type: StageType) {
    model.stage_type = stage_type;
    model.update_image();
}

/// Updates the selected stage type from dropdown selection.
pub fn change_horizontal_layout(model: &mut AppModel, is_enabled: bool) {
    model.horizontal_layout_enabled = is_enabled;
    model
        .header
        .emit(HeaderAction::SetHorizontalLayoutEnabled(is_enabled));
}