10000 Backport PR #27365 on branch v3.8.x ([DOC]: Fix menu example) by meeseeksmachine · Pull Request #27369 · matplotlib/matplotlib · GitHub
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Backport PR #27365 on branch v3.8.x ([DOC]: Fix menu example) #27369

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Merged
merged 1 commit into from
Nov 24, 2023
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Backport PR #27365 on branch v3.8.x ([DOC]: Fix menu example) #27369

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25 changes: 13 additions & 12 deletions galleries/examples/widgets/menu.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,13 +3,12 @@
Menu
====

Using texts to construct a simple menu.
"""

import matplotlib.pyplot as plt

import matplotlib.artist as artist
import matplotlib.patches as patches
from matplotlib.transforms import IdentityTransform


class ItemProperties:
Expand All @@ -22,8 +21,8 @@ def __init__(self, fontsize=14, labelcolor='black', bgcolor='yellow',


class MenuItem(artist.Artist):
padx = 5
pady = 5
padx = 0.05 # inches
pady = 0.05

def __init__(self, fig, labelstr, props=None, hoverprops=None,
on_select=None):
Expand All @@ -41,14 +40,16 @@ def __init__(self, fig, labelstr, props=None, hoverprops=None,

self.on_select = on_select

# Setting the transform to IdentityTransform() lets us specify
# coordinates directly in pixels.
self.label = fig.text(0, 0, labelstr, transform=IdentityTransform(),
# specify coordinates in inches.
self.label = fig.text(0, 0, labelstr, transform=fig.dpi_scale_trans,
size=props.fontsize)
self.text_bbox = self.label.get_window_extent(
fig.canvas.get_renderer())
self.text_bbox = fig.dpi_scale_trans.inverted().transform_bbox(self.text_bbox)

self.rect = patches.Rectangle((0, 0), 1, 1) # Will be updated later.
self.rect = patches.Rectangle(
(0, 0), 1, 1, transform=fig.dpi_scale_trans
) # Will be updated later.

self.set_hover_props(False)

Expand All @@ -63,7 +64,7 @@ def check_select(self, event):

def set_extent(self, x, y, w, h, depth):
self.rect.set(x=x, y=y, width=w, height=h)
self.label.set(position=(x + self.padx, y + depth + self.pady/2))
self.label.set(position=(x + self.padx, y + depth + self.pady / 2))
self.hover = False

def draw(self, renderer):
Expand Down Expand Up @@ -97,10 +98,10 @@ def __init__(self, fig, menuitems):
maxh = max(item.text_bbox.height for item in menuitems)
depth = max(-item.text_bbox.y0 for item in menuitems)

x0 = 100
y0 = 400
x0 = 1
y0 = 4

width = maxw + 2*MenuItem.padx
width = maxw + 2 * MenuItem.padx
height = maxh + MenuItem.pady

for item in menuitems:
Expand Down
0