class MfxScrolledCanvas:
def __init__(self, parent, hbar=True, vbar=True, propagate=False, **kw):
kwdefault(kw, highlightthickness=0, bd=1, relief='sunken')
self.parent = parent
self.createFrame(kw)
self.canvas = None
self.hbar = None
self.vbar = None
self.hbar_show = False
self.vbar_show = False
self.createCanvas(kw)
self.frame.grid_rowconfigure(0, weight=1)
self.frame.grid_columnconfigure(0, weight=1)
self.frame.grid_propagate(propagate)
if hbar:
self.createHbar()
self.bindHbar()
if vbar:
self.createVbar()
self.bindVbar()
# self.canvas.focus_set()
#
#
#
def destroy(self):
self.unbind_all()
self.canvas.destroy()
self.frame.destroy()
def pack(self, **kw):
self.frame.pack(**kw)
def grid(self, **kw):
self.frame.grid(**kw)
#
#
#
def setTile(self, app, i, force=False):
tile = app.tabletile_manager.get(i)
if tile is None or tile.error:
return False
# print i, tile
if i == 0:
assert tile.color
assert tile.filename is None
else:
assert tile.color is None
assert tile.filename
assert tile.basename
if not force:
if i == app.tabletile_index and \
tile.color == app.opt.colors['table']:
return False
#
if not self.canvas.setTile(tile.filename, tile.stretch,
tile.save_aspect):
tile.error = True
return False
if i == 0:
self.canvas.config(bg=tile.color)
# app.top.config(bg=tile.color)
else:
self.canvas.config(bg=app.top_bg)
# app.top.config(bg=app.top_bg)
self.canvas.setTextColor(app.opt.colors['text'])
return True
#
#
#
def unbind_all(self):
unbind_destroy(self.hbar)
unbind_destroy(self.vbar)
unbind_destroy(self.canvas)
unbind_destroy(self.frame)
def createFrame(self, kw):
width = kw.get("width")
height = kw.get("height")
self.frame = Tkinter.Frame(self.parent, width=width, height=height)
def createCanvas(self, kw):
bd = kw['bd']
kw['bd'] = 0
relief = kw['relief']
del kw['relief']
frame = Tkinter.Frame(self.frame, bd=bd, relief=relief)
frame.grid(row=0, column=0, sticky="news")
self.canvas = MfxCanvas(frame, **kw)
self.canvas.pack(expand=True, fill='both')
def createHbar(self):
self.hbar = Tkinter.Scrollbar(self.frame,
takefocus=0,
orient="horizontal")
self.canvas["xscrollcommand"] = self._setHbar
self.hbar["command"] = self.canvas.xview
self.hbar.grid(row=1, column=0, sticky="we")
self.hbar.grid_remove()
def createVbar(self):
self.vbar = Tkinter.Scrollbar(self.frame, takefocus=0)
self.canvas["yscrollcommand"] = self._setVbar
self.vbar["command"] = self.canvas.yview
self.vbar.grid(row=0, column=1, sticky="ns")
self.vbar.grid_remove()
def bindHbar(self, w=None):
if w is None:
w = self.canvas
bind(w, "<KeyPress-Left>", self.unit_left)
bind(w, "<KeyPress-Right>", self.unit_right)
def bindVbar(self, w=None):
if w is None:
w = self.canvas
bind(w, "<KeyPress-Prior>", self.page_up)
bind(w, "<KeyPress-Next>", self.page_down)
bind(w, "<KeyPress-Up>", self.unit_up)
bind(w, "<KeyPress-Down>", self.unit_down)
bind(w, "<KeyPress-Begin>", self.scroll_top)
bind(w, "<KeyPress-Home>", self.scroll_top)
bind(w, "<KeyPress-End>", self.scroll_bottom)
# mousewheel support
if WIN_SYSTEM == 'x11':
bind(w, '<4>', self.mouse_wheel_up)
bind(w, '<5>', self.mouse_wheel_down)
# don't work on Linux
# bind(w, '<MouseWheel>', self.mouse_wheel)
def mouse_wheel(self, *args):
print('MfxScrolledCanvas.mouse_wheel', args)
def _setHbar(self, first, last):
if self.canvas.busy:
return
sb = self.hbar
if float(first) <= 0 and float(last) >= 1:
sb.grid_remove()
self.hbar_show = False
else:
if self.canvas.winfo_ismapped():
sb.grid()
self.hbar_show = True
sb.set(first, last)
def _setVbar(self, first, last):
if self.canvas.busy:
return
sb = self.vbar
if float(first) <= 0 and float(last) >= 1:
sb.grid_remove()
self.vbar_show = False
else:
if self.canvas.winfo_ismapped():
sb.grid()
self.vbar_show = True
sb.set(first, last)
def _xview(self, *args):
if self.hbar_show:
self.canvas.xview(*args)
return 'break'
def _yview(self, *args):
if self.vbar_show:
self.canvas.yview(*args)
return 'break'
def page_up(self, *event):
return self._yview('scroll', -1, 'page')
def page_down(self, *event):
return self._yview('scroll', 1, 'page')
def unit_up(self, *event):
return self._yview('scroll', -1, 'unit')
def unit_down(self, *event):
return self._yview('scroll', 1, 'unit')
def mouse_wheel_up(self, *event):
return self._yview('scroll', -5, 'unit')
def mouse_wheel_down(self, *event):
return self._yview('scroll', 5, 'unit')
def page_left(self, *event):
return self._xview('scroll', -1, 'page')
def page_right(self, *event):
return self._xview('scroll', 1, 'page')
def unit_left(self, *event):
return self._xview('scroll', -1, 'unit')
def unit_right(self, *event):
return self._xview('scroll', 1, 'unit')
def scroll_top(self, *event):
return self._yview('moveto', 0)
def scroll_bottom(self, *event):
return self._yview('moveto', 1)
class MfxScrolledCanvas:
def __init__(self, parent, hbar=True, vbar=True, propagate=0, **kw):
kwdefault(kw, highlightthickness=0, bd=1, relief='sunken')
self.parent = parent
self.createFrame(kw)
self.canvas = None
self.hbar = None
self.vbar = None
self.hbar_show = False
self.vbar_show = False
self.createCanvas(kw)
self.frame.grid_rowconfigure(0, weight=1)
self.frame.grid_columnconfigure(0, weight=1)
self.frame.grid_propagate(propagate)
if hbar:
self.createHbar()
self.bindHbar()
if vbar:
self.createVbar()
self.bindVbar()
# self.canvas.focus_set()
#
#
#
def destroy(self):
self.unbind_all()
self.canvas.destroy()
self.frame.destroy()
def pack(self, **kw):
self.frame.pack(**kw)
def grid(self, **kw):
self.frame.grid(**kw)
#
#
#
def setTile(self, app, i, force=False):
tile = app.tabletile_manager.get(i)
if tile is None or tile.error:
return False
# print i, tile
if i == 0:
assert tile.color
assert tile.filename is None
else:
assert tile.color is None
assert tile.filename
assert tile.basename
if not force:
if (i == app.tabletile_index and
tile.color == app.opt.colors['table']):
return False
#
if not self.canvas.setTile(tile.filename, tile.stretch,
tile.save_aspect):
tile.error = True
return False
if i == 0:
self.canvas.config(bg=tile.color)
# app.top.config(bg=tile.color)
else:
self.canvas.config(bg=app.top_bg)
# app.top.config(bg=app.top_bg)
self.canvas.setTextColor(app.opt.colors['text'])
return True
#
#
#
def unbind_all(self):
unbind_destroy(self.hbar)
unbind_destroy(self.vbar)
unbind_destroy(self.canvas)
unbind_destroy(self.frame)
def createFrame(self, kw):
width = kw.get("width")
height = kw.get("height")
self.frame = ttk.Frame(self.parent, width=width, height=height)
def createCanvas(self, kw):
bd = kw['bd']
kw['bd'] = 0
relief = kw['relief']
del kw['relief']
frame = tkinter.Frame(self.frame, bd=bd, relief=relief)
frame.grid(row=0, column=0, sticky="news")
self.canvas = MfxCanvas(frame, **kw)
self.canvas.pack(expand=True, fill='both')
def createHbar(self):
self.hbar = ttk.Scrollbar(self.frame, takefocus=0,
orient="horizontal")
self.canvas["xscrollcommand"] = self._setHbar
self.hbar["command"] = self.canvas.xview
self.hbar.grid(row=1, column=0, sticky="we")
self.hbar.grid_remove()
def createVbar(self):
self.vbar = ttk.Scrollbar(self.frame, takefocus=0)
self.canvas["yscrollcommand"] = self._setVbar
self.vbar["command"] = self.canvas.yview
self.vbar.grid(row=0, column=1, sticky="ns")
self.vbar.grid_remove()
def bindHbar(self, w=None):
if w is None:
w = self.canvas
bind(w, "<KeyPress-Left>", self.unit_left)
bind(w, "<KeyPress-Right>", self.unit_right)
def bindVbar(self, w=None):
if w is None:
w = self.canvas
bind(w, "<KeyPress-Prior>", self.page_up)
bind(w, "<KeyPress-Next>", self.page_down)
bind(w, "<KeyPress-Up>", self.unit_up)
bind(w, "<KeyPress-Down>", self.unit_down)
bind(w, "<KeyPress-Begin>", self.scroll_top)
bind(w, "<KeyPress-Home>", self.scroll_top)
bind(w, "<KeyPress-End>", self.scroll_bottom)
# mousewheel support
if WIN_SYSTEM == 'x11':
bind(w, '<4>', self.mouse_wheel_up)
bind(w, '<5>', self.mouse_wheel_down)
# don't work on Linux
# bind(w, '<MouseWheel>', self.mouse_wheel)
def mouse_wheel(self, *args):
print('MfxScrolledCanvas.mouse_wheel', args)
def _setHbar(self, first, last):
if self.canvas.busy:
return
sb = self.hbar
if float(first) <= 0 and float(last) >= 1:
sb.grid_remove()
self.hbar_show = False
else:
if self.canvas.winfo_ismapped():
sb.grid()
self.hbar_show = True
sb.set(first, last)
def _setVbar(self, first, last):
if self.canvas.busy:
return
sb = self.vbar
if float(first) <= 0 and float(last) >= 1:
sb.grid_remove()
self.vbar_show = False
else:
if self.canvas.winfo_ismapped():
sb.grid()
self.vbar_show = True
sb.set(first, last)
def _xview(self, *args):
if self.hbar_show:
self.canvas.xview(*args)
return 'break'
def _yview(self, *args):
if self.vbar_show:
self.canvas.yview(*args)
return 'break'
def page_up(self, *event):
return self._yview('scroll', -1, 'page')
def page_down(self, *event):
return self._yview('scroll', 1, 'page')
def unit_up(self, *event):
return self._yview('scroll', -1, 'unit')
def unit_down(self, *event):
return self._yview('scroll', 1, 'unit')
def mouse_wheel_up(self, *event):
return self._yview('scroll', -5, 'unit')
def mouse_wheel_down(self, *event):
return self._yview('scroll', 5, 'unit')
def page_left(self, *event):
return self._xview('scroll', -1, 'page')
def page_right(self, *event):
return self._xview('scroll', 1, 'page')
def unit_left(self, *event):
return self._xview('scroll', -1, 'unit')
def unit_right(self, *event):
return self._xview('scroll', 1, 'unit')
def scroll_top(self, *event):
return self._yview('moveto', 0)
def scroll_bottom(self, *event):
return self._yview('moveto', 1)