# Version: 0.5
# Author: Miguel Martinez Lopez
# Uncomment the next line to see my email
# print "Author's email: ", "61706c69636163696f6e616d656469646140676d61696c2e636f6d".decode("hex")
import Tkinter as tk
import ttk
import platform
class MouseWheel(object):
OS = platform.system()
def __init__(self, root, factor = 2):
self.activeArea = None
if type(factor) == int:
self.factor = factor
else:
raise Exception("Factor must be an integer.")
if self.OS == "Linux" :
root.bind_all('<4>', self.onMouseWheel, add='+')
root.bind_all('<5>', self.onMouseWheel, add='+')
else:
# Windows and MacOS
root.bind_all("<MouseWheel>", self.onMouseWheel, add='+')
def onMouseWheel(self,event):
if self.activeArea:
self.activeArea.onMouseWheel(event)
def mouseWheel_bind(self, widget):
self.activeArea = widget
def mouseWheel_unbind(self):
self.activeArea = None
def build_function_onMouseWheel(self, widget, orient, factor = 1):
view_command = getattr(widget, orient+'view')
if self.OS == 'Linux':
def onMouseWheel(event):
if event.num == 4:
view_command("scroll",(-1)*factor,"units" )
elif event.num == 5:
view_command("scroll",factor,"units" )
elif self.OS == 'Windows':
def onMouseWheel(event):
view_command("scroll",(-1)*int((event.delta/120)*factor),"units" )
elif self.OS == 'Darwin':
def onMouseWheel(event):
view_command("scroll",event.delta,"units" )
return onMouseWheel
def add_scrolling(self, scrollingArea, xscrollbar=None, yscrollbar=None):
scrollingArea.bind('<Enter>',lambda event: self.mouseWheel_bind(scrollingArea))
scrollingArea.bind('<Leave>', lambda event: self.mouseWheel_unbind())
if xscrollbar and not hasattr(xscrollbar, 'onMouseWheel'):
setattr(xscrollbar, 'onMouseWheel', self.build_function_onMouseWheel(scrollingArea,'x', self.factor) )
if yscrollbar and not hasattr(yscrollbar, 'onMouseWheel'):
setattr(yscrollbar, 'onMouseWheel', self.build_function_onMouseWheel(scrollingArea,'y', self.factor) )
active_scrollbar_on_mouse_wheel = yscrollbar or xscrollbar
if active_scrollbar_on_mouse_wheel:
setattr(scrollingArea, 'onMouseWheel', active_scrollbar_on_mouse_wheel.onMouseWheel)
for scrollbar in (xscrollbar, yscrollbar):
if scrollbar:
scrollbar.bind('<Enter>', lambda event, scrollbar=scrollbar: self.mouseWheel_bind(scrollbar) )
scrollbar.bind('<Leave>', lambda event: self.mouseWheel_unbind())
def test():
root = tk.Tk()
xScrollbar = ttk.Scrollbar(root, orient=tk.HORIZONTAL)
xScrollbar.grid(row=1, column=0, sticky= "ew")
yScrollbar = ttk.Scrollbar(root, orient=tk.VERTICAL)
yScrollbar.grid(row=0, column=1,sticky="ns")
canvas1 = tk.Canvas(root, width=300, height=100,xscrollcommand=xScrollbar.set, yscrollcommand=yScrollbar.set)
canvas1.grid(row=0, column=0)
frameWindows= tk.Frame(canvas1)
frameWindows.pack()
for i in range(20):
rowFrame = tk.Frame(frameWindows)
rowFrame.pack()
for j in range(8):
tk.Label(rowFrame, text="Label %s, %s" % (str(i), str(j))).pack(side=tk.LEFT)
canvas1.create_window(0, 0, window=frameWindows, anchor='nw')
canvas1.update_idletasks()
canvas1['scrollregion'] = (0,0,frameWindows.winfo_reqwidth(), frameWindows.winfo_reqheight())
yScrollbar['command']=canvas1.yview
xScrollbar['command']=canvas1.xview
MouseWheel(root).add_scrolling(canvas1,xscrollbar=xScrollbar, yscrollbar=yScrollbar)
root.mainloop()
if __name__== '__main__':
test()
Diff to Previous Revision
--- revision 5 2014-06-22 17:05:26
+++ revision 6 2016-03-26 21:39:02
@@ -1,4 +1,4 @@
-# Version: 0.4
+# Version: 0.5
# Author: Miguel Martinez Lopez
# Uncomment the next line to see my email
# print "Author's email: ", "61706c69636163696f6e616d656469646140676d61696c2e636f6d".decode("hex")
@@ -8,112 +8,111 @@
import ttk
import platform
-os = platform.system()
class MouseWheel(object):
- def __init__(self, root, factor = 2):
- global os
-
- self.activeArea = None
-
- if type(factor) == int:
- self.factor = factor
- else:
- raise Exception("Factor must be an integer.")
+ OS = platform.system()
+
+ def __init__(self, root, factor = 2):
+
+ self.activeArea = None
+
+ if type(factor) == int:
+ self.factor = factor
+ else:
+ raise Exception("Factor must be an integer.")
- if os == "Linux" :
- root.bind_all('<4>', self.onMouseWheel, add='+')
- root.bind_all('<5>', self.onMouseWheel, add='+')
- else:
- # Windows and MacOS
- root.bind_all("<MouseWheel>", self.onMouseWheel, add='+')
+ if self.OS == "Linux" :
+ root.bind_all('<4>', self.onMouseWheel, add='+')
+ root.bind_all('<5>', self.onMouseWheel, add='+')
+ else:
+ # Windows and MacOS
+ root.bind_all("<MouseWheel>", self.onMouseWheel, add='+')
- def onMouseWheel(self,event):
- if self.activeArea:
- self.activeArea.onMouseWheel(event)
+ def onMouseWheel(self,event):
+ if self.activeArea:
+ self.activeArea.onMouseWheel(event)
- def mouseWheel_bind(self, widget):
- self.activeArea = widget
+ def mouseWheel_bind(self, widget):
+ self.activeArea = widget
- def mouseWheel_unbind(self):
- self.activeArea = None
+ def mouseWheel_unbind(self):
+ self.activeArea = None
- @staticmethod
- def build_function_onMouseWheel(widget, orient, factor = 1):
- view_command = getattr(widget, orient+'view')
- if os == 'Linux':
- def onMouseWheel(event):
- if event.num == 4:
- view_command("scroll",(-1)*factor,"units" )
- elif event.num == 5:
- view_command("scroll",factor,"units" )
-
- elif os == 'Windows':
- def onMouseWheel(event):
- view_command("scroll",(-1)*int((event.delta/120)*factor),"units" )
-
- elif os == 'Darwin':
- def onMouseWheel(event):
- view_command("scroll",event.delta,"units" )
-
- return onMouseWheel
-
+ def build_function_onMouseWheel(self, widget, orient, factor = 1):
+ view_command = getattr(widget, orient+'view')
+ if self.OS == 'Linux':
+ def onMouseWheel(event):
+ if event.num == 4:
+ view_command("scroll",(-1)*factor,"units" )
+ elif event.num == 5:
+ view_command("scroll",factor,"units" )
+
+ elif self.OS == 'Windows':
+ def onMouseWheel(event):
+ view_command("scroll",(-1)*int((event.delta/120)*factor),"units" )
+
+ elif self.OS == 'Darwin':
+ def onMouseWheel(event):
+ view_command("scroll",event.delta,"units" )
+
+ return onMouseWheel
+
- def add_scrolling(self, scrollingArea, xscrollbar=None, yscrollbar=None):
- scrollingArea.bind('<Enter>',lambda event: self.mouseWheel_bind(scrollingArea))
- scrollingArea.bind('<Leave>', lambda event: self.mouseWheel_unbind())
+ def add_scrolling(self, scrollingArea, xscrollbar=None, yscrollbar=None):
+ scrollingArea.bind('<Enter>',lambda event: self.mouseWheel_bind(scrollingArea))
+ scrollingArea.bind('<Leave>', lambda event: self.mouseWheel_unbind())
- if xscrollbar and not hasattr(xscrollbar, 'onMouseWheel'):
- setattr(xscrollbar, 'onMouseWheel', self.build_function_onMouseWheel(scrollingArea,'x', self.factor) )
+ if xscrollbar and not hasattr(xscrollbar, 'onMouseWheel'):
+ setattr(xscrollbar, 'onMouseWheel', self.build_function_onMouseWheel(scrollingArea,'x', self.factor) )
- if yscrollbar and not hasattr(yscrollbar, 'onMouseWheel'):
- setattr(yscrollbar, 'onMouseWheel', self.build_function_onMouseWheel(scrollingArea,'y', self.factor) )
+ if yscrollbar and not hasattr(yscrollbar, 'onMouseWheel'):
+ setattr(yscrollbar, 'onMouseWheel', self.build_function_onMouseWheel(scrollingArea,'y', self.factor) )
- active_scrollbar_on_mouse_wheel = yscrollbar or xscrollbar
- if active_scrollbar_on_mouse_wheel:
- setattr(scrollingArea, 'onMouseWheel', active_scrollbar_on_mouse_wheel.onMouseWheel)
+ active_scrollbar_on_mouse_wheel = yscrollbar or xscrollbar
+ if active_scrollbar_on_mouse_wheel:
+ setattr(scrollingArea, 'onMouseWheel', active_scrollbar_on_mouse_wheel.onMouseWheel)
- for scrollbar in (xscrollbar, yscrollbar):
- if scrollbar:
- scrollbar.bind('<Enter>', lambda event, scrollbar=scrollbar: self.mouseWheel_bind(scrollbar) )
- scrollbar.bind('<Leave>', lambda event: self.mouseWheel_unbind())
+ for scrollbar in (xscrollbar, yscrollbar):
+ if scrollbar:
+ scrollbar.bind('<Enter>', lambda event, scrollbar=scrollbar: self.mouseWheel_bind(scrollbar) )
+ scrollbar.bind('<Leave>', lambda event: self.mouseWheel_unbind())
def test():
- root = tk.Tk()
+ root = tk.Tk()
- xScrollbar = ttk.Scrollbar(root, orient=tk.HORIZONTAL)
- xScrollbar.grid(row=1, column=0, sticky= "ew")
+ xScrollbar = ttk.Scrollbar(root, orient=tk.HORIZONTAL)
+ xScrollbar.grid(row=1, column=0, sticky= "ew")
- yScrollbar = ttk.Scrollbar(root, orient=tk.VERTICAL)
- yScrollbar.grid(row=0, column=1,sticky="ns")
+ yScrollbar = ttk.Scrollbar(root, orient=tk.VERTICAL)
+ yScrollbar.grid(row=0, column=1,sticky="ns")
- canvas1 = tk.Canvas(root, width=300, height=100,xscrollcommand=xScrollbar.set, yscrollcommand=yScrollbar.set)
- canvas1.grid(row=0, column=0)
+ canvas1 = tk.Canvas(root, width=300, height=100,xscrollcommand=xScrollbar.set, yscrollcommand=yScrollbar.set)
+ canvas1.grid(row=0, column=0)
- frameWindows= tk.Frame(canvas1)
- frameWindows.pack()
+ frameWindows= tk.Frame(canvas1)
+ frameWindows.pack()
- for i in range(20):
- rowFrame = tk.Frame(frameWindows)
- rowFrame.pack()
- for j in range(8):
- tk.Label(rowFrame, text="Label %s, %s" % (str(i), str(j))).pack(side=tk.LEFT)
+ for i in range(20):
+ rowFrame = tk.Frame(frameWindows)
+ rowFrame.pack()
+ for j in range(8):
+ tk.Label(rowFrame, text="Label %s, %s" % (str(i), str(j))).pack(side=tk.LEFT)
- canvas1.create_window(0, 0, window=frameWindows, anchor='nw')
+ canvas1.create_window(0, 0, window=frameWindows, anchor='nw')
- canvas1.update_idletasks()
+ canvas1.update_idletasks()
- canvas1['scrollregion'] = (0,0,frameWindows.winfo_reqwidth(), frameWindows.winfo_reqheight())
- yScrollbar['command']=canvas1.yview
- xScrollbar['command']=canvas1.xview
+ canvas1['scrollregion'] = (0,0,frameWindows.winfo_reqwidth(), frameWindows.winfo_reqheight())
+ yScrollbar['command']=canvas1.yview
+ xScrollbar['command']=canvas1.xview
- MouseWheel(root).add_scrolling(canvas1,xscrollbar=xScrollbar, yscrollbar=yScrollbar)
+ MouseWheel(root).add_scrolling(canvas1,xscrollbar=xScrollbar, yscrollbar=yScrollbar)
- root.mainloop()
+ root.mainloop()
if __name__== '__main__':
- test()
+ test()
