using Gtk 4.0;
using Adw 1;

Adw.StatusPage error_page {
  icon-name: "computer-fail-symbolic";
  title: _("Oh, no.");
  description: _("Unable to acquire an OpenGL context for rendering.");

  child: LinkButton {
    label: "https://ghostty.org/docs/help/gtk-opengl-context";
    uri: "https://ghostty.org/docs/help/gtk-opengl-context";
  };
}

Overlay terminal_page {
  focusable: false;
  focus-on-click: false;

  child: Box {
    hexpand: true;
    vexpand: true;

    GLArea gl_area {
      realize => $gl_realize();
      unrealize => $gl_unrealize();
      render => $gl_render();
      resize => $gl_resize();
      hexpand: true;
      vexpand: true;
      focusable: true;
      focus-on-click: true;
      has-stencil-buffer: false;
      has-depth-buffer: false;
      allowed-apis: gl;
    }

    PopoverMenu context_menu {
      closed => $context_menu_closed();
      menu-model: context_menu_model;
      flags: nested;
      halign: start;
      has-arrow: false;
    }
  };

  [overlay]
  ProgressBar progress_bar_overlay {
    styles [
      "osd",
    ]

    visible: false;
    halign: fill;
    valign: start;
  }

  [overlay]
  // The "border" bell feature is implemented here as an overlay rather than
  // just adding a border to the GLArea or other widget for two reasons.
  // First, adding a border to an existing widget causes a resize of the
  // widget which undesirable side effects. Second, we can make it reactive
  // here in the blueprint with relatively little code.
  Revealer {
    reveal-child: bind $should_border_be_shown(template.config, template.bell-ringing) as <bool>;
    transition-type: crossfade;
    transition-duration: 500;

    Box bell_overlay {
      styles [
        "bell-overlay",
      ]

      halign: fill;
      valign: fill;
    }
  }

  [overlay]
  $GhosttySurfaceChildExited child_exited_overlay {
    visible: bind template.child-exited;
    close-request => $child_exited_close();
  }

  [overlay]
  $GhosttyResizeOverlay resize_overlay {}

  [overlay]
  Label url_left {
    styles [
      "background",
      "url-overlay",
    ]

    visible: false;
    halign: start;
    valign: end;
    label: bind template.mouse-hover-url;

    EventControllerMotion url_ec_motion {
      enter => $url_mouse_enter();
      leave => $url_mouse_leave();
    }
  }

  [overlay]
  Label url_right {
    styles [
      "background",
      "url-overlay",
    ]

    visible: false;
    halign: end;
    valign: end;
    label: bind template.mouse-hover-url;
  }

  // Event controllers for interactivity
  EventControllerFocus {
    enter => $focus_enter();
    leave => $focus_leave();
  }

  EventControllerKey {
    key-pressed => $key_pressed();
    key-released => $key_released();
  }

  EventControllerMotion {
    motion => $mouse_motion();
    leave => $mouse_leave();
  }

  EventControllerScroll {
    scroll => $scroll();
    scroll-begin => $scroll_begin();
    scroll-end => $scroll_end();
    flags: both_axes;
  }

  GestureClick {
    pressed => $mouse_down();
    released => $mouse_up();
    button: 0;
  }

  DropTarget drop_target {
    drop => $drop();
    actions: copy;
  }
}

template $GhosttySurface: Adw.Bin {
  styles [
    "surface",
  ]

  notify::bell-ringing => $notify_bell_ringing();
  notify::config => $notify_config();
  notify::error => $notify_error();
  notify::mouse-hover-url => $notify_mouse_hover_url();
  notify::mouse-hidden => $notify_mouse_hidden();
  notify::mouse-shape => $notify_mouse_shape();
  // Some history: we used to use a Stack here and swap between the
  // terminal and error pages as needed. But a Stack doesn't play nice
  // with our SplitTree and Gtk.Paned usage[^1]. Replacing this with
  // a manual programmatic child swap fixed this. So if you ever change
  // this, be sure to test many splits!
  //
  // [^1]: https://github.com/ghostty-org/ghostty/issues/8533
  child: terminal_page;
}

IMMulticontext im_context {
  input-purpose: terminal;
  preedit-start => $im_preedit_start();
  preedit-changed => $im_preedit_changed();
  preedit-end => $im_preedit_end();
  commit => $im_commit();
}

menu context_menu_model {
  section {
    item {
      label: _("Copy");
      action: "win.copy";
    }

    item {
      label: _("Paste");
      action: "win.paste";
    }
  }

  section {
    item {
      label: _("Clear");
      action: "win.clear";
    }

    item {
      label: _("Reset");
      action: "win.reset";
    }
  }

  section {
    submenu {
      label: _("Split");

      item {
        label: _("Change Title…");
        action: "surface.prompt-title";
      }

      item {
        label: _("Split Up");
        action: "split-tree.new-split";
        target: "up";
      }

      item {
        label: _("Split Down");
        action: "split-tree.new-split";
        target: "down";
      }

      item {
        label: _("Split Left");
        action: "split-tree.new-split";
        target: "left";
      }

      item {
        label: _("Split Right");
        action: "split-tree.new-split";
        target: "right";
      }
    }

    submenu {
      label: _("Tab");

      item {
        label: _("New Tab");
        action: "win.new-tab";
      }

      item {
        label: _("Close Tab");
        action: "tab.close";
        target: "this";
      }
    }

    submenu {
      label: _("Window");

      item {
        label: _("New Window");
        action: "win.new-window";
      }

      item {
        label: _("Close Window");
        action: "win.close";
      }
    }
  }

  section {
    submenu {
      label: _("Config");

      item {
        label: _("Open Configuration");
        action: "app.open-config";
      }

      item {
        label: _("Reload Configuration");
        action: "app.reload-config";
      }
    }
  }
}
