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trezor-core
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trezor.ui.keyboard: suggest more accurately

This commit is contained in:
Jan Pochyla 2017-02-09 13:02:58 +01:00
parent 2d7c6b0c34
commit a8f5738398
1 changed files with 15 additions and 5 deletions
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20
src/trezor/ui/keyboard.py
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@ -27,6 +27,7 @@ def cell_area(i, n_x=3, n_y=3, start_x=0, start_y=40, end_x=240, end_y=240 - 48,
def key_buttons():
keys = ['abc', 'def', 'ghi', 'jkl', 'mno', 'pqr', 'stu', 'vwx', 'yz']
# keys = [' ', 'abc', 'def', 'ghi', 'jkl', 'mno', 'pqrs', 'tuv', 'wxyz']
return [Button(cell_area(i), k,
normal_style=KEY_BUTTON,
active_style=KEY_BUTTON_ACTIVE) for i, k in enumerate(keys)]
@ -35,7 +36,10 @@ def key_buttons():
def compute_mask(text):
mask = 0
for c in text:
mask |= 1 << (ord(c) - ord('a'))
shift = ord(c) - 97 # ord('a') == 97
if shift < 0:
continue
mask |= 1 << shift
return mask
@ -90,7 +94,8 @@ class KeyboardMultiTap:
self.content = self.content[:-1]
self.pending_button = None
self.pending_index = 0
self._update()
self._update_suggestion()
self._update_buttons()
return
for btn in self.key_buttons:
if btn.touch(event, pos) == BTN_CLICKED:
@ -99,21 +104,25 @@ class KeyboardMultiTap:
self.pending_index + 1) % len(btn.content)
self.content = self.content[:-1]
self.content += btn.content[self.pending_index]
self._update_suggestion()
else:
self.content += btn.content[0]
self._update_suggestion()
if self.pending_button:
self._update()
self._update_buttons()
self.pending_button = btn
self.pending_index = 0
return
def _update(self):
def _update_suggestion(self):
if self.content:
self.sugg_word = bip39.find_word(self.content)
self.sugg_mask = bip39.complete_word(self.content)
else:
self.sugg_word = None
self.sugg_mask = 0xffffffff
def _update_buttons(self):
for btn in self.key_buttons:
if compute_mask(btn.content) & self.sugg_mask:
btn.enable()
@ -133,7 +142,8 @@ class KeyboardMultiTap:
else:
self.pending_button = None
self.pending_index = 0
self._update()
self._update_suggestion()
self._update_buttons()
def zoom_buttons(keys, upper=False):