bpo-17535: IDLE editor line numbers (GH-14030)
diff --git a/Lib/idlelib/configdialog.py b/Lib/idlelib/configdialog.py
index 6b0ecc9..217f8fd 100644
--- a/Lib/idlelib/configdialog.py
+++ b/Lib/idlelib/configdialog.py
@@ -819,6 +819,7 @@
'Shell Error Text': ('error', '12'),
'Shell Stdout Text': ('stdout', '13'),
'Shell Stderr Text': ('stderr', '14'),
+ 'Line Number': ('linenumber', '16'),
}
self.builtin_name = tracers.add(
StringVar(self), self.var_changed_builtin_name)
@@ -866,6 +867,11 @@
('stderr', 'stderr'), ('\n\n', 'normal'))
for texttag in text_and_tags:
text.insert(END, texttag[0], texttag[1])
+ n_lines = len(text.get('1.0', END).splitlines())
+ for lineno in range(1, n_lines + 1):
+ text.insert(f'{lineno}.0',
+ f'{lineno:{len(str(n_lines))}d} ',
+ 'linenumber')
for element in self.theme_elements:
def tem(event, elem=element):
# event.widget.winfo_top_level().highlight_target.set(elem)
@@ -1827,6 +1833,9 @@
frame_format: Frame
format_width_title: Label
(*)format_width_int: Entry - format_width
+ frame_line_numbers_default: Frame
+ line_numbers_default_title: Label
+ (*)line_numbers_default_bool: Checkbutton - line_numbers_default
frame_context: Frame
context_title: Label
(*)context_int: Entry - context_lines
@@ -1866,6 +1875,9 @@
IntVar(self), ('main', 'General', 'autosave'))
self.format_width = tracers.add(
StringVar(self), ('extensions', 'FormatParagraph', 'max-width'))
+ self.line_numbers_default = tracers.add(
+ BooleanVar(self),
+ ('main', 'EditorWindow', 'line-numbers-default'))
self.context_lines = tracers.add(
StringVar(self), ('extensions', 'CodeContext', 'maxlines'))
@@ -1944,6 +1956,14 @@
validatecommand=self.digits_only, validate='key',
)
+ frame_line_numbers_default = Frame(frame_editor, borderwidth=0)
+ line_numbers_default_title = Label(
+ frame_line_numbers_default, text='Show line numbers in new windows')
+ self.line_numbers_default_bool = Checkbutton(
+ frame_line_numbers_default,
+ variable=self.line_numbers_default,
+ width=1)
+
frame_context = Frame(frame_editor, borderwidth=0)
context_title = Label(frame_context, text='Max Context Lines :')
self.context_int = Entry(
@@ -2021,6 +2041,10 @@
frame_format.pack(side=TOP, padx=5, pady=0, fill=X)
format_width_title.pack(side=LEFT, anchor=W, padx=5, pady=5)
self.format_width_int.pack(side=TOP, padx=10, pady=5)
+ # frame_line_numbers_default.
+ frame_line_numbers_default.pack(side=TOP, padx=5, pady=0, fill=X)
+ line_numbers_default_title.pack(side=LEFT, anchor=W, padx=5, pady=5)
+ self.line_numbers_default_bool.pack(side=LEFT, padx=5, pady=5)
# frame_context.
frame_context.pack(side=TOP, padx=5, pady=0, fill=X)
context_title.pack(side=LEFT, anchor=W, padx=5, pady=5)
@@ -2063,6 +2087,8 @@
'main', 'General', 'autosave', default=0, type='bool'))
self.format_width.set(idleConf.GetOption(
'extensions', 'FormatParagraph', 'max-width', type='int'))
+ self.line_numbers_default.set(idleConf.GetOption(
+ 'main', 'EditorWindow', 'line-numbers-default', type='bool'))
self.context_lines.set(idleConf.GetOption(
'extensions', 'CodeContext', 'maxlines', type='int'))