| 12345678910111213141516171819202122232425262728293031323334353637383940 |
- try:
- from contextlib import nullcontext
- except ImportError:
- from contextlib import ExitStack as nullcontext # Py 3.6.
- from . import backend_cairo, backend_gtk3
- from .backend_gtk3 import Gtk, _BackendGTK3
- from matplotlib.backend_bases import cursors
- class RendererGTK3Cairo(backend_cairo.RendererCairo):
- def set_context(self, ctx):
- self.gc.ctx = backend_cairo._to_context(ctx)
- class FigureCanvasGTK3Cairo(backend_gtk3.FigureCanvasGTK3,
- backend_cairo.FigureCanvasCairo):
- def __init__(self, figure):
- super().__init__(figure)
- self._renderer = RendererGTK3Cairo(self.figure.dpi)
- def on_draw_event(self, widget, ctx):
- """GtkDrawable draw event."""
- with (self.toolbar._wait_cursor_for_draw_cm() if self.toolbar
- else nullcontext()):
- self._renderer.set_context(ctx)
- allocation = self.get_allocation()
- Gtk.render_background(
- self.get_style_context(), ctx,
- allocation.x, allocation.y,
- allocation.width, allocation.height)
- self._renderer.set_width_height(
- allocation.width, allocation.height)
- self.figure.draw(self._renderer)
- @_BackendGTK3.export
- class _BackendGTK3Cairo(_BackendGTK3):
- FigureCanvas = FigureCanvasGTK3Cairo
|
