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gh-122392: IDLE - Fix overlapping lines in browsers (#122392) (#124975)

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Increase currently inadequate vertical spacing for the IDLE browsers (path,
module, and stack) on high-resolution monitors.
---------

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
This commit is contained in:
Zhikang Yan 2024-10-08 02:52:09 +08:00 • committed by GitHub
parent 7ffe94fb24
commit c5df1cb7bd
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GPG key ID: B5690EEEBB952194
2 changed files with 12 additions and 4 deletions
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14
Lib/idlelib/tree.py
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@ -83,6 +83,8 @@ def wheel_event(event, widget=None):
class TreeNode:
dy = 0
def __init__(self, canvas, parent, item):
self.canvas = canvas
self.parent = parent
@ -199,23 +201,22 @@ def update(self):
def draw(self, x, y):
# XXX This hard-codes too many geometry constants!
dy = 20
self.x, self.y = x, y
self.drawicon()
self.drawtext()
if self.state != 'expanded':
return y + dy
return y + TreeNode.dy
# draw children
if not self.children:
sublist = self.item._GetSubList()
if not sublist:
# _IsExpandable() was mistaken; that's allowed
return y+17
return y + TreeNode.dy
for item in sublist:
child = self.__class__(self.canvas, self, item)
self.children.append(child)
cx = x+20
cy = y + dy
cy = y + TreeNode.dy
cylast = 0
for child in self.children:
cylast = cy
@ -289,6 +290,11 @@ def drawtext(self):
self.label.bind("<Button-4>", lambda e: wheel_event(e, self.canvas))
self.label.bind("<Button-5>", lambda e: wheel_event(e, self.canvas))
self.text_id = id
if TreeNode.dy == 0:
# The first row doesn't matter what the dy is, just measure its
# size to get the value of the subsequent dy
coords = self.canvas.bbox(id)
TreeNode.dy = max(20, coords[3] - coords[1] - 3)
def select_or_edit(self, event=None):
if self.selected and self.item.IsEditable():