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better handling of keyboard input in int/float spin inputs

This commit is contained in:
Nick Lanham 2011-04-27 17:53:11 +02:00
parent cbcf413ffd
commit 292929ba59
1 changed files with 31 additions and 15 deletions
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46
deluge/ui/console/modes/input_popup.py
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@ -185,18 +185,23 @@ class IntSpinInput(InputField):
self.move_func = move_func self.move_func = move_func
self.min_val = min_val self.min_val = min_val
self.max_val = max_val self.max_val = max_val
self.need_update = False
def render(self, screen, row, width, active, col=1, cursor_offset=0): def render(self, screen, row, width, active, col=1, cursor_offset=0):
if not active and not self.valstr: if not active and self.need_update:
self.value = self.initvalue if not self.valstr or self.valstr == '-':
self.value = self.initvalue
else:
self.value = int(self.valstr)
self.valstr = "%d"%self.value self.valstr = "%d"%self.value
self.cursor = len(self.valstr) self.cursor = len(self.valstr)
self.need_update = False
if not self.valstr: if not self.valstr:
self.parent.add_string(row,"%s [ ]"%self.message,screen,col,False,True) self.parent.add_string(row,"%s [ ]"%self.message,screen,col,False,True)
elif active: elif active:
self.parent.add_string(row,"%s [ {!black,white,bold!}%d{!white,black!} ]"%(self.message,self.value),screen,col,False,True) self.parent.add_string(row,"%s [ {!black,white,bold!}%s{!white,black!} ]"%(self.message,self.valstr),screen,col,False,True)
else: else:
self.parent.add_string(row,"%s [ %d ]"%(self.message,self.value),screen,col,False,True) self.parent.add_string(row,"%s [ %s ]"%(self.message,self.valstr),screen,col,False,True)
if active: if active:
self.move_func(row,self.cursor+self.cursoff+cursor_offset) self.move_func(row,self.cursor+self.cursoff+cursor_offset)
@ -206,8 +211,12 @@ class IntSpinInput(InputField):
def handle_read(self, c): def handle_read(self, c):
if c == curses.KEY_PPAGE: if c == curses.KEY_PPAGE:
self.value+=1 self.value+=1
self.valstr = "%d"%self.value
self.cursor = len(self.valstr)
elif c == curses.KEY_NPAGE: elif c == curses.KEY_NPAGE:
self.value-=1 self.value-=1
self.valstr = "%d"%self.value
self.cursor = len(self.valstr)
elif c == curses.KEY_LEFT: elif c == curses.KEY_LEFT:
self.cursor = max(0,self.cursor-1) self.cursor = max(0,self.cursor-1)
elif c == curses.KEY_RIGHT: elif c == curses.KEY_RIGHT:
@ -215,25 +224,32 @@ class IntSpinInput(InputField):
elif c == curses.KEY_HOME: elif c == curses.KEY_HOME:
self.cursor = 0 self.cursor = 0
elif c == curses.KEY_END: elif c == curses.KEY_END:
self.cursor = len(self.value) self.cursor = len(self.valstr)
elif c == curses.KEY_BACKSPACE or c == 127: elif c == curses.KEY_BACKSPACE or c == 127:
if self.valstr and self.cursor > 0: if self.valstr and self.cursor > 0:
self.valstr = self.valstr[:self.cursor - 1] + self.valstr[self.cursor:] self.valstr = self.valstr[:self.cursor - 1] + self.valstr[self.cursor:]
self.cursor-=1 self.cursor-=1
if self.valstr: self.need_update = True
self.value = int(self.valstr)
elif c == curses.KEY_DC: elif c == curses.KEY_DC:
if self.valstr and self.cursor < len(self.valstr): if self.valstr and self.cursor < len(self.valstr):
self.valstr = self.valstr[:self.cursor] + self.valstr[self.cursor+1:] self.valstr = self.valstr[:self.cursor] + self.valstr[self.cursor+1:]
self.need_update = True
elif c == 45 and self.cursor == 0 and self.min_val < 0:
minus_place = self.valstr.find('-')
if minus_place >= 0: return
self.valstr = chr(c)+self.valstr
self.cursor += 1
self.need_update = True
elif c > 47 and c < 58: elif c > 47 and c < 58:
if c == 48 and self.cursor == 0: return if c == 48 and self.cursor == 0: return
minus_place = self.valstr.find('-')
if self.cursor <= minus_place: return
if self.cursor == len(self.valstr): if self.cursor == len(self.valstr):
self.valstr += chr(c) self.valstr += chr(c)
self.value = int(self.valstr)
else: else:
# Insert into string # Insert into string
self.valstr = self.valstr[:self.cursor] + chr(c) + self.valstr[self.cursor:] self.valstr = self.valstr[:self.cursor] + chr(c) + self.valstr[self.cursor:]
self.value = int(self.valstr) self.need_update = True
# Move the cursor forward # Move the cursor forward
self.cursor+=1 self.cursor+=1
@ -266,14 +282,14 @@ class FloatSpinInput(InputField):
self.need_update = False self.need_update = False
def render(self, screen, row, width, active, col=1, cursor_offset=0): def render(self, screen, row, width, active, col=1, cursor_offset=0):
if not active and not self.valstr:
self.value = self.initvalue
self.valstr = self.fmt%self.value
self.cursor = len(self.valstr)
if not active and self.need_update: if not active and self.need_update:
self.value = round(float(self.valstr),self.precision) try:
self.value = round(float(self.valstr),self.precision)
except ValueError:
self.value = self.initvalue
self.valstr = self.fmt%self.value self.valstr = self.fmt%self.value
self.cursor = len(self.valstr) self.cursor = len(self.valstr)
self.need_update = False
if not self.valstr: if not self.valstr:
self.parent.add_string(row,"%s [ ]"%self.message,screen,col,False,True) self.parent.add_string(row,"%s [ ]"%self.message,screen,col,False,True)
elif active: elif active:
@ -301,7 +317,7 @@ class FloatSpinInput(InputField):
elif c == curses.KEY_HOME: elif c == curses.KEY_HOME:
self.cursor = 0 self.cursor = 0
elif c == curses.KEY_END: elif c == curses.KEY_END:
self.cursor = len(self.value) self.cursor = len(self.valstr)
elif c == curses.KEY_BACKSPACE or c == 127: elif c == curses.KEY_BACKSPACE or c == 127:
if self.valstr and self.cursor > 0: if self.valstr and self.cursor > 0:
self.valstr = self.valstr[:self.cursor - 1] + self.valstr[self.cursor:] self.valstr = self.valstr[:self.cursor - 1] + self.valstr[self.cursor:]