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show a 'scrollbar' of sorts for popups with a lot of text

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This commit is contained in:
Nick Lanham 2011-03-01 19:39:55 +01:00
parent 356f298e9c
commit 84f278dbcc
1 changed files with 28 additions and 23 deletions
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51
deluge/ui/console/modes/popup.py
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@ -78,10 +78,10 @@ class Popup:
self.screen = curses.newwin(height_req,width_req,by,bx)
self.title = title
self._close_cb = close_cb
self.__close_cb = close_cb
self.height,self.width = self.screen.getmaxyx()
self._divider = None
self._lineoff = 0
self.divider = None
self.lineoff = 0
if init_lines:
self._lines = init_lines
else:
@ -89,11 +89,9 @@ class Popup:
def _refresh_lines(self):
crow = 1
for row,line in enumerate(self._lines):
for line in self._lines[self.lineoff:]:
if (crow >= self.height-1):
break
if (row < self._lineoff):
continue
self.parent.add_string(crow,line,self.screen,1,False,True)
crow+=1
@ -110,6 +108,13 @@ class Popup:
self.parent.add_string(0,"{!white,black,bold!}%s"%self.title,self.screen,toff,False,True)
self._refresh_lines()
if (len(self._lines) > (self.height-2)):
lts = len(self._lines)-(self.height-3)
perc_sc = float(self.lineoff)/lts
sb_pos = int((self.height-2)*perc_sc)+1
if (sb_pos == 1) and (self.lineoff != 0):
sb_pos += 1
self.parent.add_string(sb_pos, "{!white,black,bold!}|",self.screen,col=(self.width-1),pad=False,trim=False)
self.screen.redrawwin()
self.screen.noutrefresh()
@ -119,19 +124,19 @@ class Popup:
def handle_read(self, c):
if c == curses.KEY_UP:
self._lineoff = max(0,self._lineoff -1)
self.lineoff = max(0,self.lineoff -1)
elif c == curses.KEY_DOWN:
if len(self._lines)-self._lineoff > (self.height-2):
self._lineoff += 1
if len(self._lines)-self.lineoff > (self.height-2):
self.lineoff += 1
elif c == curses.KEY_ENTER or c == 10 or c == 27: # close on enter/esc
if self._close_cb:
self._close_cb()
if self.__close_cb:
self.__close_cb()
return True # close the popup
if c > 31 and c < 256 and chr(c) == 'q':
if self._close_cb:
self._close_cb()
if self.__close_cb:
self.__close_cb()
return True # close the popup
self.refresh()
@ -145,9 +150,9 @@ class Popup:
self._lines.append(string)
def add_divider(self):
if not self._divider:
self._divider = "-"*(self.width-2)
self._lines.append(self._divider)
if not self.divider:
self.divider = "-"*(self.width-2)
self._lines.append(self.divider)
class SelectablePopup(Popup):
@ -187,7 +192,7 @@ class SelectablePopup(Popup):
for row,line in enumerate(self._lines):
if (crow >= self.height-1):
break
if (row < self._lineoff):
if (row < self.lineoff):
continue
fg = self._line_foregrounds[row]
udx = self._udxs.get(crow)
@ -216,21 +221,21 @@ class SelectablePopup(Popup):
return (idx,self._select_data[idx])
def add_divider(self,color="white"):
if not self._divider:
self._divider = "-"*(self.width-6)+" -"
self._lines.append(self._divider)
if not self.divider:
self.divider = "-"*(self.width-6)+" -"
self._lines.append(self.divider)
self._line_foregrounds.append(color)
def handle_read(self, c):
if c == curses.KEY_UP:
#self._lineoff = max(0,self._lineoff -1)
#self.lineoff = max(0,self.lineoff -1)
if (self._selected != self._selectable_lines[0] and
len(self._selectable_lines) > 1):
idx = self._selectable_lines.index(self._selected)
self._selected = self._selectable_lines[idx-1]
elif c == curses.KEY_DOWN:
#if len(self._lines)-self._lineoff > (self.height-2):
# self._lineoff += 1
#if len(self._lines)-self.lineoff > (self.height-2):
# self.lineoff += 1
idx = self._selectable_lines.index(self._selected)
if (idx < len(self._selectable_lines)-1):
self._selected = self._selectable_lines[idx+1]