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Commit 84f69e0

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anntzeranntzer
committed
Remove auto-call to canvas.draw_idle in ResizeEvent processing.
Backends can call draw_idle themselves. Note that 1) this was already done by the gtk backends, and 2) this may actually be unneeded, as figure.set_size_inches (which is always called a bit earlier by the various resize handlers) also marks the figure as stale, which should trigger a redraw too. Still, let's add the draw_idle calls to be safe, they shouldn't be costly as both draws should get compressed together; we can always investigate removing them later.
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‎lib/matplotlib/backend_bases.py

Copy file name to clipboardExpand all lines: lib/matplotlib/backend_bases.py
-4Lines changed: 0 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1277,10 +1277,6 @@ def __init__(self, name, canvas):
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super().__init__(name, canvas)
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self.width, self.height = canvas.get_width_height()
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def _process(self):
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super()._process()
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self.canvas.draw_idle()
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class CloseEvent(Event):
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"""An event triggered by a figure being closed."""

‎lib/matplotlib/backends/_backend_tk.py

Copy file name to clipboardExpand all lines: lib/matplotlib/backends/_backend_tk.py
+1Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -241,6 +241,7 @@ def resize(self, event):
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self._tkcanvas.create_image(
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int(width / 2), int(height / 2), image=self._tkphoto)
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ResizeEvent("resize_event", self)._process()
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self.draw_idle()
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def draw_idle(self):
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# docstring inherited

‎lib/matplotlib/backends/backend_qt.py

Copy file name to clipboardExpand all lines: lib/matplotlib/backends/backend_qt.py
+1Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -348,6 +348,7 @@ def resizeEvent(self, event):
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QtWidgets.QWidget.resizeEvent(self, event)
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# emit our resize events
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ResizeEvent("resize_event", self)._process()
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self.draw_idle()
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def sizeHint(self):
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w, h = self.get_width_height()

‎lib/matplotlib/backends/backend_webagg_core.py

Copy file name to clipboardExpand all lines: lib/matplotlib/backends/backend_webagg_core.py
+1Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -343,6 +343,7 @@ def handle_resize(self, event):
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self._png_is_old = True
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self.manager.resize(*fig.bbox.size, forward=False)
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ResizeEvent('resize_event', self)._process()
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self.draw_idle()
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def handle_send_image_mode(self, event):
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# The client requests notification of what the current image mode is.

‎lib/matplotlib/backends/backend_wx.py

Copy file name to clipboardExpand all lines: lib/matplotlib/backends/backend_wx.py
+1Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -705,6 +705,7 @@ def _on_size(self, event):
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# the whole background is repainted.
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self.Refresh(eraseBackground=False)
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ResizeEvent("resize_event", self)._process()
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self.draw_idle()
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def _get_key(self, event):
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