try:
import Tkinter as tk
except ImportError:
import tkinter as tk
def add_placeholder_to(entry, placeholder, color="grey", font=None):
normal_color = entry.cget("fg")
normal_font = entry.cget("font")
if font is None:
font = normal_font
placeholder_data = [placeholder, True]
def on_focusin(event, entry=entry, normal_color=normal_color, placeholder_data=placeholder_data):
if placeholder_data[1]:
entry.delete(0, "end")
entry.config(fg = normal_color, font=normal_font)
placeholder_data[1] = False
def on_focusout(event, entry=entry, color=color, placeholder_data=placeholder_data):
if entry.get() == '':
entry.insert(0, placeholder_data[0])
entry.config(fg = color, font=font)
placeholder_data[1] = True
entry.insert(0, placeholder)
entry.config(fg = color, font=font)
entry.bind('<FocusIn>', on_focusin, add="+")
entry.bind('<FocusOut>', on_focusout, add="+")
return placeholder_data
if __name__ == "__main__":
root = tk.Tk()
login_frame = tk.LabelFrame(root, text="Login", padx=5, pady=5)
login_frame.pack(padx=10, pady=10)
label = tk.Label(login_frame, text="User: ")
label.grid(row=0, column=0, sticky=tk.E)
# I add a border of 1px width and color #bebebe to the entry using these parameters:
# - highlightthickness=1
# - highlightbackground="#bebebe"
#
entry = tk.Entry(login_frame, bd=1, bg="white", highlightbackground="#bebebe", highlightthickness=1)
# I make the entry a little bit more height using ipady option
entry.grid(row=0, column=1, ipady=1)
add_placeholder_to(entry, 'Enter your username...')
label = tk.Label(login_frame, text="Password: ")
label.grid(row=1, column=0, sticky=tk.E)
entry = tk.Entry(login_frame, bd=1, bg="white", highlightbackground="#bebebe", highlightthickness=1)
entry.grid(row=1, column=1, ipady=1)
add_placeholder_to(entry, 'Password...')
# Every row has a minimum size
login_frame.grid_rowconfigure(0, minsize=28)
login_frame.grid_rowconfigure(1, minsize=28)
root.mainloop()
Diff to Previous Revision
--- revision 4 2017-03-31 21:45:07
+++ revision 5 2017-04-01 19:27:15
@@ -3,31 +3,36 @@
except ImportError:
import tkinter as tk
-def add_placeholder_to(entry, placeholder, color="grey"):
+def add_placeholder_to(entry, placeholder, color="grey", font=None):
normal_color = entry.cget("fg")
+ normal_font = entry.cget("font")
+
+ if font is None:
+ font = normal_font
placeholder_data = [placeholder, True]
def on_focusin(event, entry=entry, normal_color=normal_color, placeholder_data=placeholder_data):
if placeholder_data[1]:
- entry.delete(0, "end") # delete all the text in the entry
- entry.insert(0, '') #Insert blank for user input
- entry.config(fg = normal_color)
+ entry.delete(0, "end")
+ entry.config(fg = normal_color, font=normal_font)
placeholder_data[1] = False
def on_focusout(event, entry=entry, color=color, placeholder_data=placeholder_data):
if entry.get() == '':
entry.insert(0, placeholder_data[0])
- entry.config(fg = color)
+ entry.config(fg = color, font=font)
placeholder_data[1] = True
entry.insert(0, placeholder)
- entry.config(fg = color)
+ entry.config(fg = color, font=font)
- entry.bind('<FocusIn>', on_focusin)
- entry.bind('<FocusOut>', on_focusout)
+ entry.bind('<FocusIn>', on_focusin, add="+")
+ entry.bind('<FocusOut>', on_focusout, add="+")
+
+ return placeholder_data
if __name__ == "__main__":
root = tk.Tk()
