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Backport PR #17772 on branch v3.3.x (Partially fix rubberbanding in GTK3.) #17812

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Merged
merged 1 commit into from
Jul 1, 2020
Merged

Backport PR #17772 on branch v3.3.x (Partially fix rubberbanding in GTK3.) #17812

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12 changes: 6 additions & 6 deletions lib/matplotlib/backends/backend_gtk3.py
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Original file line number Diff line number Diff line change
Expand Up @@ -509,7 +509,7 @@ def set_cursor(self, cursor):
def draw_rubberband(self, event, x0, y0, x1, y1):
# adapted from
# http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/189744
self.ctx = self.canvas.get_property("window").cairo_create()
ctx = self.canvas.get_property("window").cairo_create()

# todo: instead of redrawing the entire figure, copy the part of
# the figure that was covered by the previous rubberband rectangle
Expand All @@ -522,11 +522,11 @@ def draw_rubberband(self, event, x0, y0, x1, y1):
h = abs(y1 - y0)
rect = [int(val) for val in (min(x0, x1), min(y0, y1), w, h)]

self.ctx.new_path()
self.ctx.set_line_width(0.5)
self.ctx.rectangle(rect[0], rect[1], rect[2], rect[3])
self.ctx.set_source_rgb(0, 0, 0)
self.ctx.stroke()
ctx.new_path()
ctx.set_line_width(0.5)
ctx.rectangle(rect[0], rect[1], rect[2], rect[3])
ctx.set_source_rgb(0, 0, 0)
ctx.stroke()

def _update_buttons_checked(self):
for name, active in [("Pan", "PAN"), ("Zoom", "ZOOM")]:
Expand Down