62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
# Copyright 2023 (c) Anna Schumaker.
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"""Our adaptable layout that can rearrange widgets as the window is resized."""
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from gi.repository import GObject
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from gi.repository import Gtk
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from gi.repository import Adw
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MIN_WIDTH = Adw.BreakpointConditionLengthType.MIN_WIDTH
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class Layout(Adw.Bin):
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"""A widget that can rearrange based on window dimensions."""
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show_sidebar = GObject.Property(type=bool, default=False)
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wide_view = GObject.Property(type=bool, default=False)
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def __init__(self, *, content: Gtk.Widget = None,
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sidebar: Gtk.Widget = None):
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"""Initialize our Layout widget."""
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super().__init__()
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self._split_view = Adw.OverlaySplitView(content=content,
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sidebar=sidebar,
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collapsed=not self.wide_view)
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self.props.child = self._split_view
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self.bind_property("show-sidebar", self._split_view, "show-sidebar",
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GObject.BindingFlags.BIDIRECTIONAL)
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self.bind_property("wide-view", self._split_view, "collapsed",
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GObject.BindingFlags.INVERT_BOOLEAN)
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def __define_breakpoint(self, property: str, value: bool,
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length: int) -> Adw.Breakpoint:
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condition = Adw.BreakpointCondition.new_length(MIN_WIDTH, length,
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Adw.LengthUnit.SP)
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breakpoint = Adw.Breakpoint.new(condition)
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breakpoint.add_setter(self, property, GObject.Value(bool, value))
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return breakpoint
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@GObject.Property(type=Gtk.Widget)
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def content(self) -> Gtk.Widget:
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"""Get the content widget for the Layout."""
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return self._split_view.props.content
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@content.setter
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def content(self, widget: Gtk.Widget) -> None:
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self._split_view.props.content = widget
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@GObject.Property(type=Gtk.Widget)
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def sidebar(self) -> Gtk.Widget:
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"""Get the sidebar widget for the Layout."""
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return self._split_view.props.sidebar
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@sidebar.setter
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def sidebar(self, widget: Gtk.Widget) -> None:
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self._split_view.props.sidebar = widget
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@property
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def breakpoints(self) -> list[Adw.Breakpoint]:
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"""Get a list of breakpoints supported by the layout."""
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return [self.__define_breakpoint("wide-view", True, 1000)]
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