try:
from Tkinter import Entry, Frame, Label, StringVar
from Tkconstants import *
except ImportError:
from tkinter import Entry, Frame, Label, StringVar
from tkinter.constants import *
def hex2rgb(str_rgb):
try:
rgb = str_rgb[1:]
if len(rgb) == 6:
r, g, b = rgb[0:2], rgb[2:4], rgb[4:6]
elif len(rgb) == 3:
r, g, b = rgb[0] * 2, rgb[1] * 2, rgb[2] * 2
else:
raise ValueError()
except:
raise ValueError("Invalid value %r provided for rgb color."% str_rgb)
return tuple(int(v, 16) for v in (r, g, b))
class SearchBox(Frame):
def __init__(self, master, entry_width=30, entry_font=None, entry_background="white", entry_highlightthickness=1, button_text="Search", button_ipadx=10, button_background="#009688", button_foreground="white", button_font=None, opacity=0.8, command=None):
Frame.__init__(self, master)
self._command = command
self.entry_var = StringVar()
self.entry = Entry(self, textvariable=self.entry_var, width=entry_width, background=entry_background, highlightcolor=button_background, highlightthickness=entry_highlightthickness)
self.entry.pack(side=LEFT, fill=BOTH, expand=True, ipady=1)
if entry_font:
self.entry.configure(font=entry_font)
if command is not None:
self.entry.bind("<Return>",self._execute_command)
r,g,b = hex2rgb(button_background)
r = int(opacity*r)
g = int(opacity*g)
b = int(opacity*b)
self._button_activebackground = '#%02x%02x%02x' % (r,g,b)
self._button_background = button_background
self.button_label = Label(self, text=button_text, background=button_background, foreground=button_foreground)
if entry_font:
self.button_label.configure(font=button_font)
self.button_label.pack(side=LEFT, fill=Y, ipadx=button_ipadx)
self.button_label.bind("<Enter>", self._state_active)
self.button_label.bind("<Leave>", self._state_normal)
self.button_label.bind("<ButtonRelease-1>", self._execute_command)
def get(self):
return self.entry_var.get()
def set(self, text):
self.entry_var.set(text)
def clear(self):
self.entry_var.set("")
def focus(self):
self.entry.focus()
def _execute_command(self, event):
text = self.entry_var.get()
self._command(text)
def _state_normal(self, event):
self.button_label.configure(background=self._button_background)
def _state_active(self, event):
self.button_label.configure(background=self._button_activebackground)
if __name__ == "__main__":
try:
from Tkinter import Tk
from tkMessageBox import showinfo
except ImportError:
from tkinter import Tk
from tkinter.messagebox import showinfo
def command(text):
showinfo("search command", "searching:%s"%text)
root = Tk()
SearchBox(root, command=command).pack(pady=6, padx=3)
root.mainloop()
Diff to Previous Revision
--- revision 3 2017-04-04 05:01:53
+++ revision 4 2017-04-04 05:05:52
@@ -91,6 +91,6 @@
showinfo("search command", "searching:%s"%text)
root = Tk()
- SearchBox(root, command=command).pack(pady=6)
+ SearchBox(root, command=command).pack(pady=6, padx=3)
root.mainloop()