| 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): |
| |
| |
| 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 |
|
|
