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-rw-r--r--Lib/idlelib/EditorWindow.py51
-rw-r--r--Lib/idlelib/textView.py24
2 files changed, 64 insertions, 11 deletions
diff --git a/Lib/idlelib/EditorWindow.py b/Lib/idlelib/EditorWindow.py
index f47a9c1..6a01db0 100644
--- a/Lib/idlelib/EditorWindow.py
+++ b/Lib/idlelib/EditorWindow.py
@@ -63,6 +63,50 @@ def _find_module(fullname, path=None):
descr = os.path.splitext(filename)[1], None, imp.PY_SOURCE
return file, filename, descr
+
+class HelpDialog(object):
+
+ def __init__(self):
+ self.parent = None # parent of help window
+ self.dlg = None # the help window iteself
+
+ def display(self, parent, near=None):
+ """ Display the help dialog.
+
+ parent - parent widget for the help window
+
+ near - a Toplevel widget (e.g. EditorWindow or PyShell)
+ to use as a reference for placing the help window
+ """
+ if self.dlg is None:
+ self.show_dialog(parent)
+ if near:
+ self.nearwindow(near)
+
+ def show_dialog(self, parent):
+ self.parent = parent
+ fn=os.path.join(os.path.abspath(os.path.dirname(__file__)),'help.txt')
+ self.dlg = dlg = textView.view_file(parent,'Help',fn, modal=False)
+ dlg.bind('<Destroy>', self.destroy, '+')
+
+ def nearwindow(self, near):
+ # Place the help dialog near the window specified by parent.
+ # Note - this may not reposition the window in Metacity
+ # if "/apps/metacity/general/disable_workarounds" is enabled
+ dlg = self.dlg
+ geom = (near.winfo_rootx() + 10, near.winfo_rooty() + 10)
+ dlg.withdraw()
+ dlg.geometry("=+%d+%d" % geom)
+ dlg.deiconify()
+ dlg.lift()
+
+ def destroy(self, ev=None):
+ self.dlg = None
+ self.parent = None
+
+helpDialog = HelpDialog() # singleton instance
+
+
class EditorWindow(object):
from idlelib.Percolator import Percolator
from idlelib.ColorDelegator import ColorDelegator
@@ -453,8 +497,11 @@ class EditorWindow(object):
configDialog.ConfigDialog(self.top,'Settings')
def help_dialog(self, event=None):
- fn=os.path.join(os.path.abspath(os.path.dirname(__file__)),'help.txt')
- textView.view_file(self.top,'Help',fn)
+ if self.root:
+ parent = self.root
+ else:
+ parent = self.top
+ helpDialog.display(parent, near=self.top)
def python_docs(self, event=None):
if sys.platform[:3] == 'win':
diff --git a/Lib/idlelib/textView.py b/Lib/idlelib/textView.py
index e0f49d4..1eaa464 100644
--- a/Lib/idlelib/textView.py
+++ b/Lib/idlelib/textView.py
@@ -9,7 +9,7 @@ class TextViewer(Toplevel):
"""A simple text viewer dialog for IDLE
"""
- def __init__(self, parent, title, text):
+ def __init__(self, parent, title, text, modal=True):
"""Show the given text in a scrollable window with a 'close' button
"""
@@ -24,8 +24,6 @@ class TextViewer(Toplevel):
self.CreateWidgets()
self.title(title)
- self.transient(parent)
- self.grab_set()
self.protocol("WM_DELETE_WINDOW", self.Ok)
self.parent = parent
self.textView.focus_set()
@@ -34,7 +32,11 @@ class TextViewer(Toplevel):
self.bind('<Escape>',self.Ok) #dismiss dialog
self.textView.insert(0.0, text)
self.textView.config(state=DISABLED)
- self.wait_window()
+
+ if modal:
+ self.transient(parent)
+ self.grab_set()
+ self.wait_window()
def CreateWidgets(self):
frameText = Frame(self, relief=SUNKEN, height=700)
@@ -57,10 +59,10 @@ class TextViewer(Toplevel):
self.destroy()
-def view_text(parent, title, text):
- TextViewer(parent, title, text)
+def view_text(parent, title, text, modal=True):
+ return TextViewer(parent, title, text, modal)
-def view_file(parent, title, filename, encoding=None):
+def view_file(parent, title, filename, encoding=None, modal=True):
try:
with open(filename, 'r', encoding=encoding) as file:
contents = file.read()
@@ -70,7 +72,7 @@ def view_file(parent, title, filename, encoding=None):
message='Unable to load file %r .' % filename,
parent=parent)
else:
- return view_text(parent, title, contents)
+ return view_text(parent, title, contents, modal)
if __name__ == '__main__':
@@ -80,11 +82,15 @@ if __name__ == '__main__':
filename = './textView.py'
text = file(filename, 'r').read()
btn1 = Button(root, text='view_text',
- command=lambda:view_text(root, 'view_text', text))
+ command=lambda:view_text(root, 'view_text', text))
btn1.pack(side=LEFT)
btn2 = Button(root, text='view_file',
command=lambda:view_file(root, 'view_file', filename))
btn2.pack(side=LEFT)
+ btn3 = Button(root, text='nonmodal view_text',
+ command=lambda:view_text(root, 'nonmodal view_text', text,
+ modal=False))
+ btn3.pack(side=LEFT)
close = Button(root, text='Close', command=root.destroy)
close.pack(side=RIGHT)
root.mainloop()