chatExcel

from contextlib import nullcontext from .backend_cairo import FigureCanvasCairo from .backend_gtk4 import GLib, Gtk, FigureCanvasGTK4, _BackendGTK4 class FigureCanvasGTK4Cairo(FigureCanvasCairo, FigureCanvasGTK4): def _set_device_pixel_ratio(self, ratio): # Cairo in GTK4 always uses logical pixels, so we don't need to do anything for # changes to the device pixel ratio. return False def on_draw_event(self, widget, ctx): if self._idle_draw_id: GLib.source_remove(self._idle_draw_id) self._idle_draw_id = 0 self.draw() 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.figure.draw(self._renderer) @_BackendGTK4.export class _BackendGTK4Cairo(_BackendGTK4): FigureCanvas = FigureCanvasGTK4Cairo