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Edit File : ScrolledList.py \| Size : 4.27 KB
from Tkinter import * from idlelib import macosxSupport class ScrolledList: default = "(None)" def __init__(self, master, **options): # Create top frame, with scrollbar and listbox self.master = master self.frame = frame = Frame(master) self.frame.pack(fill="both", expand=1) self.vbar = vbar = Scrollbar(frame, name="vbar") self.vbar.pack(side="right", fill="y") self.listbox = listbox = Listbox(frame, exportselection=0, background="white") if options: listbox.configure(options) listbox.pack(expand=1, fill="both") # Tie listbox and scrollbar together vbar["command"] = listbox.yview listbox["yscrollcommand"] = vbar.set # Bind events to the list box listbox.bind("<ButtonRelease-1>", self.click_event) listbox.bind("<Double-ButtonRelease-1>", self.double_click_event) if macosxSupport.isAquaTk(): listbox.bind("<ButtonPress-2>", self.popup_event) listbox.bind("<Control-Button-1>", self.popup_event) else: listbox.bind("<ButtonPress-3>", self.popup_event) listbox.bind("<Key-Up>", self.up_event) listbox.bind("<Key-Down>", self.down_event) # Mark as empty self.clear() def close(self): self.frame.destroy() def clear(self): self.listbox.delete(0, "end") self.empty = 1 self.listbox.insert("end", self.default) def append(self, item): if self.empty: self.listbox.delete(0, "end") self.empty = 0 self.listbox.insert("end", str(item)) def get(self, index): return self.listbox.get(index) def click_event(self, event): self.listbox.activate("@%d,%d" % (event.x, event.y)) index = self.listbox.index("active") self.select(index) self.on_select(index) return "break" def double_click_event(self, event): index = self.listbox.index("active") self.select(index) self.on_double(index) return "break" menu = None def popup_event(self, event): if not self.menu: self.make_menu() menu = self.menu self.listbox.activate("@%d,%d" % (event.x, event.y)) index = self.listbox.index("active") self.select(index) menu.tk_popup(event.x_root, event.y_root) def make_menu(self): menu = Menu(self.listbox, tearoff=0) self.menu = menu self.fill_menu() def up_event(self, event): index = self.listbox.index("active") if self.listbox.selection_includes(index): index = index - 1 else: index = self.listbox.size() - 1 if index < 0: self.listbox.bell() else: self.select(index) self.on_select(index) return "break" def down_event(self, event): index = self.listbox.index("active") if self.listbox.selection_includes(index): index = index + 1 else: index = 0 if index >= self.listbox.size(): self.listbox.bell() else: self.select(index) self.on_select(index) return "break" def select(self, index): self.listbox.focus_set() self.listbox.activate(index) self.listbox.selection_clear(0, "end") self.listbox.selection_set(index) self.listbox.see(index) # Methods to override for specific actions def fill_menu(self): pass def on_select(self, index): pass def on_double(self, index): pass def _scrolled_list(parent): root = Tk() root.title("Test ScrolledList") width, height, x, y = list(map(int, re.split('[x+]', parent.geometry()))) root.geometry("+%d+%d"%(x, y + 150)) class MyScrolledList(ScrolledList): def fill_menu(self): self.menu.add_command(label="right click") def on_select(self, index): print "select", self.get(index) def on_double(self, index): print "double", self.get(index) scrolled_list = MyScrolledList(root) for i in range(30): scrolled_list.append("Item %02d" % i) root.mainloop() if __name__ == '__main__': from idlelib.idle_test.htest import run run(_scrolled_list) Back

Edit File : ScrolledList.py | Size : 4.27 KB

from Tkinter import *
from idlelib import macosxSupport

class ScrolledList:

default = "(None)"

def __init__(self, master, **options):
        # Create top frame, with scrollbar and listbox
        self.master = master
        self.frame = frame = Frame(master)
        self.frame.pack(fill="both", expand=1)
        self.vbar = vbar = Scrollbar(frame, name="vbar")
        self.vbar.pack(side="right", fill="y")
        self.listbox = listbox = Listbox(frame, exportselection=0,
            background="white")
        if options:
            listbox.configure(options)
        listbox.pack(expand=1, fill="both")
        # Tie listbox and scrollbar together
        vbar["command"] = listbox.yview
        listbox["yscrollcommand"] = vbar.set
        # Bind events to the list box
        listbox.bind("<ButtonRelease-1>", self.click_event)
        listbox.bind("<Double-ButtonRelease-1>", self.double_click_event)
        if macosxSupport.isAquaTk():
            listbox.bind("<ButtonPress-2>", self.popup_event)
            listbox.bind("<Control-Button-1>", self.popup_event)
        else:
            listbox.bind("<ButtonPress-3>", self.popup_event)
        listbox.bind("<Key-Up>", self.up_event)
        listbox.bind("<Key-Down>", self.down_event)
        # Mark as empty
        self.clear()

def close(self):
        self.frame.destroy()

def clear(self):
        self.listbox.delete(0, "end")
        self.empty = 1
        self.listbox.insert("end", self.default)

def append(self, item):
        if self.empty:
            self.listbox.delete(0, "end")
            self.empty = 0
        self.listbox.insert("end", str(item))

def get(self, index):
        return self.listbox.get(index)

def click_event(self, event):
        self.listbox.activate("@%d,%d" % (event.x, event.y))
        index = self.listbox.index("active")
        self.select(index)
        self.on_select(index)
        return "break"

def double_click_event(self, event):
        index = self.listbox.index("active")
        self.select(index)
        self.on_double(index)
        return "break"

menu = None

def popup_event(self, event):
        if not self.menu:
            self.make_menu()
        menu = self.menu
        self.listbox.activate("@%d,%d" % (event.x, event.y))
        index = self.listbox.index("active")
        self.select(index)
        menu.tk_popup(event.x_root, event.y_root)

def make_menu(self):
        menu = Menu(self.listbox, tearoff=0)
        self.menu = menu
        self.fill_menu()

def up_event(self, event):
        index = self.listbox.index("active")
        if self.listbox.selection_includes(index):
            index = index - 1
        else:
            index = self.listbox.size() - 1
        if index < 0:
            self.listbox.bell()
        else:
            self.select(index)
            self.on_select(index)
        return "break"

def down_event(self, event):
        index = self.listbox.index("active")
        if self.listbox.selection_includes(index):
            index = index + 1
        else:
            index = 0
        if index >= self.listbox.size():
            self.listbox.bell()
        else:
            self.select(index)
            self.on_select(index)
        return "break"

def select(self, index):
        self.listbox.focus_set()
        self.listbox.activate(index)
        self.listbox.selection_clear(0, "end")
        self.listbox.selection_set(index)
        self.listbox.see(index)

# Methods to override for specific actions

def fill_menu(self):
        pass

def on_select(self, index):
        pass

def on_double(self, index):
        pass

def _scrolled_list(parent):
    root = Tk()
    root.title("Test ScrolledList")
    width, height, x, y = list(map(int, re.split('[x+]', parent.geometry())))
    root.geometry("+%d+%d"%(x, y + 150))
    class MyScrolledList(ScrolledList):
        def fill_menu(self): self.menu.add_command(label="right click")
        def on_select(self, index): print "select", self.get(index)
        def on_double(self, index): print "double", self.get(index)

scrolled_list = MyScrolledList(root)
    for i in range(30):
        scrolled_list.append("Item %02d" % i)

root.mainloop()

if __name__ == '__main__':
    from idlelib.idle_test.htest import run
    run(_scrolled_list)

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