Ejemplo n.º 1
0
 def __init__(self):
     super(SizedVBoxToolWidget, self).__init__()
     from application import get_app
     app = get_app()
     self.app = app
     toolbar = inline_toolbar(app, [
         ("ScratchNew", "mypaint-add-symbolic"),
         ("ScratchLoad", None),
         ("ScratchSaveAs", "mypaint-document-save-symbolic"),
         ("ScratchRevert", "mypaint-document-revert-symbolic"),
     ])
     scratchpad_view = app.scratchpad_doc.tdw
     scratchpad_view.set_size_request(64, 64)
     self.connect("destroy-event", self._save_cb)
     self.connect("delete-event", self._save_cb)
     scratchpad_box = Gtk.EventBox()
     scratchpad_box.add(scratchpad_view)
     self.pack_start(scratchpad_box, True, True, 0)
     self.pack_start(toolbar, False, True, 0)
Ejemplo n.º 2
0
 def __init__(self):
     super(SizedVBoxToolWidget, self).__init__()
     from application import get_app
     app = get_app()
     self.app = app
     toolbar = inline_toolbar(
         app, [
             ("ScratchNew", "mypaint-add-symbolic"),
             ("ScratchLoad", None),
             ("ScratchSaveAs", "mypaint-document-save-symbolic"),
             ("ScratchRevert", "mypaint-document-revert-symbolic"),
         ])
     scratchpad_view = app.scratchpad_doc.tdw
     scratchpad_view.set_size_request(64, 64)
     self.connect("destroy-event", self._save_cb)
     self.connect("delete-event", self._save_cb)
     scratchpad_box = Gtk.EventBox()
     scratchpad_box.add(scratchpad_view)
     self.pack_start(scratchpad_box, True, True, 0)
     self.pack_start(toolbar, False, True, 0)
Ejemplo n.º 3
0
    def __init__(self):
        GObject.GObject.__init__(self)
        from application import get_app
        app = get_app()
        self.app = app
        self.set_spacing(widgets.SPACING_CRAMPED)
        self.set_border_width(widgets.SPACING_TIGHT)
        # GtkTreeView init
        docmodel = app.doc.model
        view = Gtk.TreeView()
        treemodel = layers.RootStackTreeModelWrapper(docmodel)
        view.set_model(treemodel)
        self._treemodel = treemodel
        view.set_reorderable(True)
        view.set_headers_visible(False)
        view.connect("button-press-event", self._view_button_press_cb)
        self._treeview = view
        # Motion and modifier keys during drag
        view.connect("drag-begin", self._view_drag_begin_cb)
        view.connect("drag-end", self._view_drag_end_cb)
        view.connect("drag-motion", self._view_drag_motion_cb)
        statusbar_cid = app.statusbar.get_context_id(self.STATUSBAR_CONTEXT)
        self._drag_statusbar_context_id = statusbar_cid
        # View behaviour and appearance
        sel = view.get_selection()
        sel.set_mode(Gtk.SelectionMode.SINGLE)
        view_scroll = Gtk.ScrolledWindow()
        view_scroll.set_shadow_type(Gtk.ShadowType.ETCHED_IN)
        scroll_pol = Gtk.PolicyType.AUTOMATIC
        view_scroll.set_policy(scroll_pol, scroll_pol)
        view_scroll.add(view)
        view_scroll.set_size_request(-1, 100)
        view_scroll.set_hexpand(True)
        view_scroll.set_vexpand(True)
        # Context menu
        ui_dir = os.path.dirname(os.path.abspath(__file__))
        ui_path = os.path.join(ui_dir, "layerswindow.xml")
        self.app.ui_manager.add_ui_from_file(ui_path)
        menu = self.app.ui_manager.get_widget("/LayersWindowPopup")
        menu.set_title(_("Layer"))
        self.connect("popup-menu", self._popup_menu_cb)
        menu.attach_to_widget(self, None)
        self._menu = menu
        self._layer_specific_ui_mergeids = []
        self._layer_specific_ui_class = None
        # Type column
        cell = Gtk.CellRendererPixbuf()
        col = Gtk.TreeViewColumn(_("Type"))
        col.pack_start(cell, expand=False)
        datafunc = layers.layer_type_pixbuf_datafunc
        col.set_cell_data_func(cell, datafunc)
        col.set_max_width(24)
        col.set_sizing(Gtk.TreeViewColumnSizing.AUTOSIZE)
        view.append_column(col)
        self._type_col = col
        # Name column
        cell = Gtk.CellRendererText()
        cell.set_property("ellipsize", Pango.EllipsizeMode.END)
        col = Gtk.TreeViewColumn(_("Name"))
        col.pack_start(cell, expand=True)
        datafunc = layers.layer_name_text_datafunc
        col.set_cell_data_func(cell, datafunc)
        col.set_expand(True)
        col.set_min_width(48)
        col.set_sizing(Gtk.TreeViewColumnSizing.AUTOSIZE)
        view.append_column(col)
        self._name_col = col
        # Visibility column
        cell = Gtk.CellRendererPixbuf()
        col = Gtk.TreeViewColumn(_("Visible"))
        col.pack_start(cell, expand=False)
        datafunc = layers.layer_visible_pixbuf_datafunc
        col.set_cell_data_func(cell, datafunc)
        col.set_max_width(24)
        view.append_column(col)
        self._visible_col = col
        # Locked column
        cell = Gtk.CellRendererPixbuf()
        col = Gtk.TreeViewColumn(_("Locked"))
        col.pack_start(cell, expand=False)
        datafunc = layers.layer_locked_pixbuf_datafunc
        col.set_cell_data_func(cell, datafunc)
        col.set_max_width(24)
        view.append_column(col)
        self._locked_col = col
        # View appearance
        view.set_show_expanders(True)
        view.set_enable_tree_lines(True)
        view.set_expander_column(self._name_col)
        # Main layout grid
        grid = Gtk.Grid()
        grid.set_row_spacing(widgets.SPACING_TIGHT)
        grid.set_column_spacing(widgets.SPACING)

        # Mode dropdown
        row = 0
        label = Gtk.Label(label=_('Mode:'))
        label.set_tooltip_text(
            _("Blending mode: how the current layer combines with the "
              "layers underneath it."))
        label.set_alignment(0, 0.5)
        label.set_hexpand(False)
        grid.attach(label, 0, row, 1, 1)

        store = Gtk.ListStore(int, str, bool)
        modes = lib.layer.STACK_MODES + lib.layer.STANDARD_MODES
        for mode in modes:
            label, desc = lib.layer.MODE_STRINGS.get(mode)
            store.append([mode, label, True])
        combo = Gtk.ComboBox()
        combo.set_model(store)
        combo.set_hexpand(True)
        cell = Gtk.CellRendererText()
        combo.pack_start(cell)
        combo.add_attribute(cell, "text", 1)
        combo.add_attribute(cell, "sensitive", 2)
        self._layer_mode_combo = combo

        grid.attach(combo, 1, row, 5, 1)

        # Opacity slider
        row += 1
        opacity_lbl = Gtk.Label(label=_('Opacity:'))
        opacity_lbl.set_tooltip_text(
            _("Layer opacity: how much of the current layer to use. "
              "Smaller values make it more transparent."))
        opacity_lbl.set_alignment(0, 0.5)
        opacity_lbl.set_hexpand(False)
        adj = Gtk.Adjustment(lower=0, upper=100,
                             step_incr=1, page_incr=10)
        self._opacity_scale = Gtk.HScale(adj)
        self._opacity_scale.set_draw_value(False)
        self._opacity_scale.set_hexpand(True)
        grid.attach(opacity_lbl, 0, row, 1, 1)
        grid.attach(self._opacity_scale, 1, row, 5, 1)
        # Layer list and controls
        row += 1
        layersbox = Gtk.VBox()
        style = layersbox.get_style_context()
        style.add_class(Gtk.STYLE_CLASS_LINKED)
        style = view_scroll.get_style_context()
        style.set_junction_sides(Gtk.JunctionSides.BOTTOM)
        list_tools = inline_toolbar(
            self.app,
            [
                ("NewPaintingLayerAbove", "mypaint-add-symbolic"),
                ("RemoveLayer", "mypaint-remove-symbolic"),
                ("RaiseLayerInStack", "mypaint-up-symbolic"),
                ("LowerLayerInStack", "mypaint-down-symbolic"),
                ("DuplicateLayer", None),
                ("MergeLayerDown", None),
            ]
        )
        style = list_tools.get_style_context()
        style.set_junction_sides(Gtk.JunctionSides.TOP)
        layersbox.pack_start(view_scroll, True, True)
        layersbox.pack_start(list_tools, False, False)
        layersbox.set_hexpand(True)
        layersbox.set_vexpand(True)
        grid.attach(layersbox, 0, row, 6, 1)
        # Background layer controls
        row += 1
        show_bg_btn = Gtk.CheckButton()
        change_bg_act = self.app.find_action("BackgroundWindow")
        change_bg_btn = widgets.borderless_button(action=change_bg_act)
        show_bg_act = self.app.find_action("ShowBackgroundToggle")
        show_bg_btn.set_related_action(show_bg_act)
        grid.attach(show_bg_btn, 0, row, 5, 1)
        grid.attach(change_bg_btn, 5, row, 1, 1)
        # Pack
        self.pack_start(grid, False, True, 0)
        # Updates
        self._processing_model_updates = False
        self._opacity_scale.connect('value-changed',
                                    self._opacity_scale_changed_cb)
        self._layer_mode_combo.connect('changed',
                                       self._layer_mode_combo_changed_cb)
        rootstack = docmodel.layer_stack
        rootstack.expand_layer += self._expand_layer_cb
        rootstack.collapse_layer += self._collapse_layer_cb
        rootstack.layer_content_changed += self._layer_content_changed
        rootstack.layer_properties_changed += self._layer_propchange_cb
        rootstack.current_layer_solo_changed += self._treeview_redraw_all
        rootstack.current_path_updated += self._current_path_updated_cb
        # Initial update
        self.connect("show", self._show_cb)
Ejemplo n.º 4
0
    def __init__(self):
        GObject.GObject.__init__(self)
        from application import get_app
        app = get_app()
        self.app = app
        self.set_spacing(widgets.SPACING_CRAMPED)
        self.set_border_width(widgets.SPACING_TIGHT)
        # GtkTreeView init
        docmodel = app.doc.model
        view = layers.RootStackTreeView(docmodel)
        self._treemodel = view.get_model()
        self._treeview = view
        # RootStackTreeView events
        view.current_layer_rename_requested += self._layer_properties_cb
        view.current_layer_changed += self._blink_current_layer_cb
        view.current_layer_menu_requested += self._popup_menu_cb
        # Drag and drop
        view.drag_began += self._view_drag_began_cb
        view.drag_ended += self._view_drag_ended_cb
        statusbar_cid = app.statusbar.get_context_id(self.STATUSBAR_CONTEXT)
        self._drag_statusbar_context_id = statusbar_cid
        # View scrolls
        view_scroll = Gtk.ScrolledWindow()
        view_scroll.set_shadow_type(Gtk.ShadowType.ETCHED_IN)
        vscroll_pol = Gtk.PolicyType.ALWAYS
        hscroll_pol = Gtk.PolicyType.AUTOMATIC
        view_scroll.set_policy(hscroll_pol, vscroll_pol)
        view_scroll.add(view)
        view_scroll.set_size_request(-1, 200)
        view_scroll.set_hexpand(True)
        view_scroll.set_vexpand(True)
        # Context menu
        ui_dir = os.path.dirname(os.path.abspath(__file__))
        ui_path = os.path.join(ui_dir, "layerswindow.xml")
        self.app.ui_manager.add_ui_from_file(ui_path)
        menu = self.app.ui_manager.get_widget("/LayersWindowPopup")
        menu.set_title(_("Layer"))
        self.connect("popup-menu", self._popup_menu_cb)
        menu.attach_to_widget(self, None)
        self._menu = menu
        self._layer_specific_ui_mergeids = []
        self._layer_specific_ui_class = None

        # Main layout grid
        grid = Gtk.Grid()
        grid.set_row_spacing(widgets.SPACING_TIGHT)
        grid.set_column_spacing(widgets.SPACING)

        # Mode dropdown
        row = 0
        label = Gtk.Label(label=_('Mode:'))
        label.set_tooltip_text(
            _("Blending mode: how the current layer combines with the "
              "layers underneath it."))
        label.set_alignment(0, 0.5)
        label.set_hexpand(False)
        grid.attach(label, 0, row, 1, 1)

        store = Gtk.ListStore(int, str, bool)
        modes = STACK_MODES + STANDARD_MODES
        for mode in modes:
            label, desc = MODE_STRINGS.get(mode)
            store.append([mode, label, True])
        combo = Gtk.ComboBox()
        combo.set_model(store)
        combo.set_hexpand(True)
        cell = Gtk.CellRendererText()
        combo.pack_start(cell, True)
        combo.add_attribute(cell, "text", 1)
        combo.add_attribute(cell, "sensitive", 2)
        self._layer_mode_combo = combo

        grid.attach(combo, 1, row, 5, 1)

        # Opacity slider
        row += 1
        opacity_lbl = Gtk.Label(label=_('Opacity:'))
        opacity_lbl.set_tooltip_text(
            _("Layer opacity: how much of the current layer to use. "
              "Smaller values make it more transparent."))
        opacity_lbl.set_alignment(0, 0.5)
        opacity_lbl.set_hexpand(False)
        adj = Gtk.Adjustment(lower=0, upper=100,
                             step_incr=1, page_incr=10)
        self._opacity_scale = Gtk.HScale.new(adj)
        self._opacity_scale.set_draw_value(False)
        self._opacity_scale.set_hexpand(True)
        grid.attach(opacity_lbl, 0, row, 1, 1)
        grid.attach(self._opacity_scale, 1, row, 5, 1)
        # Layer list and controls
        row += 1
        layersbox = Gtk.VBox()
        style = layersbox.get_style_context()
        style.add_class(Gtk.STYLE_CLASS_LINKED)
        style = view_scroll.get_style_context()
        style.set_junction_sides(Gtk.JunctionSides.BOTTOM)
        list_tools = inline_toolbar(
            self.app,
            [
                ("NewLayerGroupAbove", "mypaint-layer-group-new-symbolic"),
                ("NewPaintingLayerAbove", "mypaint-add-symbolic"),
                ("RemoveLayer", "mypaint-remove-symbolic"),
                ("RaiseLayerInStack", "mypaint-up-symbolic"),
                ("LowerLayerInStack", "mypaint-down-symbolic"),
                ("DuplicateLayer", None),
                ("MergeLayerDown", None),
            ]
        )
        style = list_tools.get_style_context()
        style.set_junction_sides(Gtk.JunctionSides.TOP)
        layersbox.pack_start(view_scroll, True, True, 0)
        layersbox.pack_start(list_tools, False, False, 0)
        layersbox.set_hexpand(True)
        layersbox.set_vexpand(True)
        grid.attach(layersbox, 0, row, 6, 1)
        # Background layer controls
        row += 1
        show_bg_btn = Gtk.CheckButton()
        change_bg_act = self.app.find_action("BackgroundWindow")
        change_bg_btn = widgets.borderless_button(action=change_bg_act)
        show_bg_act = self.app.find_action("ShowBackgroundToggle")
        show_bg_btn.set_related_action(show_bg_act)
        grid.attach(show_bg_btn, 0, row, 5, 1)
        grid.attach(change_bg_btn, 5, row, 1, 1)
        # Pack
        self.pack_start(grid, False, True, 0)
        # Updates from the real layers tree (TODO: move to lib/layers.py)
        self._processing_model_updates = False
        self._opacity_scale.connect('value-changed',
                                    self._opacity_scale_changed_cb)
        self._layer_mode_combo.connect('changed',
                                       self._layer_mode_combo_changed_cb)
        rootstack = docmodel.layer_stack
        rootstack.layer_properties_changed += self._layer_propchange_cb
        rootstack.current_path_updated += self._current_path_updated_cb
        # Initial update
        self.connect("show", self._show_cb)
Ejemplo n.º 5
0
    def __init__(self):
        GObject.GObject.__init__(self)
        from application import get_app
        app = get_app()
        self.app = app
        self.set_spacing(widgets.SPACING_CRAMPED)
        self.set_border_width(widgets.SPACING_TIGHT)
        # GtkTreeView init
        docmodel = app.doc.model
        view = layers.RootStackTreeView(docmodel)
        self._treemodel = view.get_model()
        self._treeview = view
        # RootStackTreeView events
        view.current_layer_rename_requested += self._layer_properties_cb
        view.current_layer_changed += self._blink_current_layer_cb
        view.current_layer_menu_requested += self._popup_menu_cb
        # Drag and drop
        view.drag_began += self._view_drag_began_cb
        view.drag_ended += self._view_drag_ended_cb
        statusbar_cid = app.statusbar.get_context_id(self.STATUSBAR_CONTEXT)
        self._drag_statusbar_context_id = statusbar_cid
        # View scrolls
        view_scroll = Gtk.ScrolledWindow()
        view_scroll.set_shadow_type(Gtk.ShadowType.ETCHED_IN)
        vscroll_pol = Gtk.PolicyType.ALWAYS
        hscroll_pol = Gtk.PolicyType.AUTOMATIC
        view_scroll.set_policy(hscroll_pol, vscroll_pol)
        view_scroll.add(view)
        view_scroll.set_size_request(-1, 200)
        view_scroll.set_hexpand(True)
        view_scroll.set_vexpand(True)
        # Context menu
        ui_dir = os.path.dirname(os.path.abspath(__file__))
        ui_path = os.path.join(ui_dir, "layerswindow.xml")
        self.app.ui_manager.add_ui_from_file(ui_path)
        menu = self.app.ui_manager.get_widget("/LayersWindowPopup")
        menu.set_title(_("Layer"))
        self.connect("popup-menu", self._popup_menu_cb)
        menu.attach_to_widget(self, None)
        self._menu = menu
        self._layer_specific_ui_mergeids = []
        self._layer_specific_ui_class = None

        # Main layout grid
        grid = Gtk.Grid()
        grid.set_row_spacing(widgets.SPACING_TIGHT)
        grid.set_column_spacing(widgets.SPACING)
        row = -1

        # Visibility set management
        row += 1
        layer_view_ui = gui.layervis.LayerViewUI(docmodel)
        grid.attach(layer_view_ui.widget, 0, row, 6, 1)
        self._layer_view_ui = layer_view_ui

        # Mode dropdown
        row += 1
        # ComboBox w/ list model (mode_num, label, sensitive, scale)
        store = Gtk.ListStore(int, str, bool, float)
        modes = list(STACK_MODES + STANDARD_MODES)
        modes.remove(DEFAULT_MODE)
        modes.insert(0, DEFAULT_MODE)
        for mode in modes:
            label, desc = MODE_STRINGS.get(mode)
            sensitive = True
            scale = 1/1.2   # PANGO_SCALE_SMALL
            store.append([mode, label, sensitive, scale])
        combo = Gtk.ComboBox()
        combo.set_model(store)
        combo.set_hexpand(True)
        combo.set_vexpand(False)
        cell = Gtk.CellRendererText()
        combo.pack_start(cell, True)
        combo.add_attribute(cell, "text", 1)
        combo.add_attribute(cell, "sensitive", 2)
        combo.add_attribute(cell, "scale", 3)
        combo.set_wrap_width(2)
        combo.set_app_paintable(True)
        self._layer_mode_combo = combo
        grid.attach(combo, 0, row, 5, 1)

        # Opacity widgets
        adj = Gtk.Adjustment(lower=0, upper=100,
                             step_incr=1, page_incr=10)
        sbut = Gtk.ScaleButton()
        sbut.set_adjustment(adj)
        sbut.remove(sbut.get_child())
        sbut.set_hexpand(False)
        sbut.set_vexpand(False)
        label_text_widest = self.OPACITY_LABEL_TEXT_TEMPLATE % (100,)
        label = Gtk.Label(label_text_widest)
        label.set_width_chars(len(label_text_widest))
        # prog = Gtk.ProgressBar()
        # prog.set_show_text(False)
        sbut.add(label)
        self._opacity_scale_button = sbut
        # self._opacity_progress = prog
        self._opacity_label = label
        self._opacity_adj = adj
        grid.attach(sbut, 5, row, 1, 1)

        # Layer list and controls
        row += 1
        layersbox = Gtk.VBox()
        style = layersbox.get_style_context()
        style.add_class(Gtk.STYLE_CLASS_LINKED)
        style = view_scroll.get_style_context()
        style.set_junction_sides(Gtk.JunctionSides.BOTTOM)
        list_tools = inline_toolbar(
            self.app,
            [
                ("NewLayerGroupAbove", "mypaint-layer-group-new-symbolic"),
                ("NewPaintingLayerAbove", "mypaint-add-symbolic"),
                ("RemoveLayer", "mypaint-remove-symbolic"),
                ("RaiseLayerInStack", "mypaint-up-symbolic"),
                ("LowerLayerInStack", "mypaint-down-symbolic"),
                ("DuplicateLayer", None),
                ("MergeLayerDown", None),
            ]
        )
        style = list_tools.get_style_context()
        style.set_junction_sides(Gtk.JunctionSides.TOP)
        layersbox.pack_start(view_scroll, True, True, 0)
        layersbox.pack_start(list_tools, False, False, 0)
        layersbox.set_hexpand(True)
        layersbox.set_vexpand(True)
        grid.attach(layersbox, 0, row, 6, 1)

        # Background layer controls
        row += 1
        show_bg_btn = Gtk.CheckButton()
        change_bg_act = self.app.find_action("BackgroundWindow")
        change_bg_btn = widgets.borderless_button(action=change_bg_act)
        show_bg_act = self.app.find_action("ShowBackgroundToggle")
        show_bg_btn.set_related_action(show_bg_act)
        grid.attach(show_bg_btn, 0, row, 5, 1)
        grid.attach(change_bg_btn, 5, row, 1, 1)

        # Pack
        self.pack_start(grid, False, True, 0)
        # Updates from the real layers tree (TODO: move to lib/layers.py)
        self._processing_model_updates = False
        self._opacity_adj.connect('value-changed',
                                  self._opacity_adj_changed_cb)
        self._layer_mode_combo.connect('changed',
                                       self._layer_mode_combo_changed_cb)
        rootstack = docmodel.layer_stack
        rootstack.layer_properties_changed += self._layer_propchange_cb
        rootstack.current_path_updated += self._current_path_updated_cb
        # Initial update
        self.connect("show", self._show_cb)
Ejemplo n.º 6
0
    def __init__(self):
        GObject.GObject.__init__(self)
        from application import get_app
        app = get_app()
        self.app = app
        self.set_spacing(widgets.SPACING_CRAMPED)
        self.set_border_width(widgets.SPACING_TIGHT)
        # GtkTreeView init
        docmodel = app.doc.model
        view = Gtk.TreeView()
        treemodel = layers.RootStackTreeModelWrapper(docmodel)
        view.set_model(treemodel)
        self._treemodel = treemodel
        view.set_reorderable(True)
        view.set_headers_visible(False)
        view.connect("button-press-event", self._view_button_press_cb)
        self._treeview = view
        # View behaviour and appearance
        sel = view.get_selection()
        sel.set_mode(Gtk.SelectionMode.SINGLE)
        view_scroll = Gtk.ScrolledWindow()
        view_scroll.set_shadow_type(Gtk.ShadowType.ETCHED_IN)
        scroll_pol = Gtk.PolicyType.AUTOMATIC
        view_scroll.set_policy(scroll_pol, scroll_pol)
        view_scroll.add(view)
        view_scroll.set_size_request(-1, 100)
        view_scroll.set_hexpand(True)
        view_scroll.set_vexpand(True)
        # Context menu
        ui_dir = os.path.dirname(os.path.abspath(__file__))
        ui_path = os.path.join(ui_dir, "layerswindow.xml")
        self.app.ui_manager.add_ui_from_file(ui_path)
        menu = self.app.ui_manager.get_widget("/LayersWindowPopup")
        menu.set_title(_("Layer"))
        self.connect("popup-menu", self._popup_menu_cb)
        menu.attach_to_widget(self, None)
        self._menu = menu
        self._layer_specific_ui_mergeid = None
        self._layer_specific_ui_class = None
        # Type column
        cell = Gtk.CellRendererPixbuf()
        col = Gtk.TreeViewColumn(_("Type"))
        col.pack_start(cell, expand=False)
        datafunc = layers.layer_type_pixbuf_datafunc
        col.set_cell_data_func(cell, datafunc)
        col.set_max_width(24)
        col.set_sizing(Gtk.TreeViewColumnSizing.AUTOSIZE)
        view.append_column(col)
        self._type_col = col
        # Name column
        cell = Gtk.CellRendererText()
        cell.set_property("ellipsize", Pango.EllipsizeMode.END)
        col = Gtk.TreeViewColumn(_("Name"))
        col.pack_start(cell, expand=True)
        datafunc = layers.layer_name_text_datafunc
        col.set_cell_data_func(cell, datafunc)
        col.set_expand(True)
        col.set_min_width(48)
        col.set_sizing(Gtk.TreeViewColumnSizing.AUTOSIZE)
        view.append_column(col)
        self._name_col = col
        # Visibility column
        cell = Gtk.CellRendererPixbuf()
        col = Gtk.TreeViewColumn(_("Visible"))
        col.pack_start(cell, expand=False)
        datafunc = layers.layer_visible_pixbuf_datafunc
        col.set_cell_data_func(cell, datafunc)
        col.set_max_width(24)
        view.append_column(col)
        self._visible_col = col
        # Locked column
        cell = Gtk.CellRendererPixbuf()
        col = Gtk.TreeViewColumn(_("Locked"))
        col.pack_start(cell, expand=False)
        datafunc = layers.layer_locked_pixbuf_datafunc
        col.set_cell_data_func(cell, datafunc)
        col.set_max_width(24)
        view.append_column(col)
        self._locked_col = col
        # View appearance
        view.set_show_expanders(True)
        view.set_enable_tree_lines(True)
        view.set_expander_column(self._name_col)
        # Main layout grid
        grid = Gtk.Grid()
        grid.set_row_spacing(widgets.SPACING_TIGHT)
        grid.set_column_spacing(widgets.SPACING)

        # Mode dropdown
        row = 0
        label = Gtk.Label(label=_('Mode:'))
        label.set_tooltip_text(
            _("Blending mode: how the current layer combines with the "
              "layers underneath it."))
        label.set_alignment(0, 0.5)
        label.set_hexpand(False)
        grid.attach(label, 0, row, 1, 1)

        store = Gtk.ListStore(str, str)
        for mode in range(NUM_COMBINE_MODES):
            label, desc = COMBINE_MODE_STRINGS.get(mode)
            store.append([str(mode), label])
        combo = Gtk.ComboBox()
        combo.set_model(store)
        combo.set_hexpand(True)
        cell = Gtk.CellRendererText()
        combo.pack_start(cell)
        combo.add_attribute(cell, "text", 1)
        combo.set_id_column(0)
        self._layer_mode_combo = combo

        grid.attach(combo, 1, row, 5, 1)

        # Opacity slider
        row += 1
        opacity_lbl = Gtk.Label(label=_('Opacity:'))
        opacity_lbl.set_tooltip_text(
            _("Layer opacity: how much of the current layer to use. "
              "Smaller values make it more transparent."))
        opacity_lbl.set_alignment(0, 0.5)
        opacity_lbl.set_hexpand(False)
        adj = Gtk.Adjustment(lower=0, upper=100, step_incr=1, page_incr=10)
        self._opacity_scale = Gtk.HScale(adj)
        self._opacity_scale.set_draw_value(False)
        self._opacity_scale.set_hexpand(True)
        grid.attach(opacity_lbl, 0, row, 1, 1)
        grid.attach(self._opacity_scale, 1, row, 5, 1)
        # Layer list and controls
        row += 1
        layersbox = Gtk.VBox()
        style = layersbox.get_style_context()
        style.add_class(Gtk.STYLE_CLASS_LINKED)
        style = view_scroll.get_style_context()
        style.set_junction_sides(Gtk.JunctionSides.BOTTOM)
        list_tools = inline_toolbar(self.app, [
            ("NewLayerFG", "mypaint-add-symbolic"),
            ("RemoveLayer", "mypaint-remove-symbolic"),
            ("RaiseLayerInStack", "mypaint-up-symbolic"),
            ("LowerLayerInStack", "mypaint-down-symbolic"),
            ("DuplicateLayer", None),
            ("MergeLayerDown", None),
        ])
        style = list_tools.get_style_context()
        style.set_junction_sides(Gtk.JunctionSides.TOP)
        layersbox.pack_start(view_scroll, True, True)
        layersbox.pack_start(list_tools, False, False)
        layersbox.set_hexpand(True)
        layersbox.set_vexpand(True)
        grid.attach(layersbox, 0, row, 6, 1)
        # Background layer controls
        row += 1
        show_bg_btn = Gtk.CheckButton()
        change_bg_act = self.app.find_action("BackgroundWindow")
        change_bg_btn = widgets.borderless_button(action=change_bg_act)
        show_bg_act = self.app.find_action("ShowBackgroundToggle")
        show_bg_btn.set_related_action(show_bg_act)
        grid.attach(show_bg_btn, 0, row, 5, 1)
        grid.attach(change_bg_btn, 5, row, 1, 1)
        # Pack
        self.pack_start(grid, False, True, 0)
        # Updates
        self._processing_model_updates = False
        self._opacity_scale.connect('value-changed',
                                    self._opacity_scale_changed_cb)
        self._layer_mode_combo.connect('changed',
                                       self._layer_mode_combo_changed_cb)
        rootstack = docmodel.layer_stack
        rootstack.expand_layer += self._expand_layer_cb
        rootstack.collapse_layer += self._collapse_layer_cb
        rootstack.layer_content_changed += self._layer_content_changed
        rootstack.layer_properties_changed += self._layer_propchange_cb
        rootstack.current_layer_solo_changed += self._treeview_redraw_all
        rootstack.current_path_updated += self._current_path_updated_cb
        # Initial update
        self.connect("show", self._show_cb)