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cut_copy_paste implementation using bubble

This commit is contained in:
Qua-non 2012-01-09 14:17:34 +05:30
parent 80567da510
commit 9a2eaae2f6
1 changed files with 95 additions and 0 deletions
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95
kivy/uix/textinput.py
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@ -110,6 +110,7 @@ from kivy.clock import Clock
from kivy.cache import Cache
from kivy.core.text import Label
from kivy.uix.widget import Widget
from kivy.uix.bubble import Bubble
from kivy.graphics import Color, Rectangle
from kivy.properties import StringProperty, NumericProperty, \
ReferenceListProperty, BooleanProperty, AliasProperty, \
@ -142,6 +143,7 @@ class TextInput(Widget):
self.selection_text = ''
self.selection_from = None
self.selection_to = None
self._bubble = None
self._lines_flags = []
self._lines_labels = []
self._lines_rects = []
@ -419,8 +421,101 @@ class TextInput(Widget):
if self._selection_touch is touch:
self.selection_to = self.cursor_index()
self._update_selection(True)
#show Bubble
win = self._win
if not win:
self._win = win = self.get_root_window()
if not win:
Logger.warning('Textinput: '
'Cannot show bubble, unable to get root window')
return True
if self.selection_to != self.selection_from:
self.show_cut_copy_paste(touch, win)
else:
win.remove_widget(self._bubble)
return True
def show_cut_copy_paste(self, touch, win):
'''show a bubble with cut copy and paste buttons'''
bubble = self._bubble
if bubble is None:
self._bubble = Bubble(size_hint = (None, None),
size = (150, 50))
bubble = self._bubble
from kivy.uix.button import Button
but_cut = Button(text = 'cut',
background_normal = 'data/images/bubble_btn.png',
border = (0, 0, 0, 0))
but_copy = Button(text = 'copy',
background_normal = 'data/images/bubble_btn.png',
border = (0, 0, 0, 0))
but_paste = Button(text = 'paste',
background_normal = 'data/images/bubble_btn.png',
border = (0, 0, 0, 0))
def do_action(*l):
_action = l[0].text
global Clipboard
if Clipboard is None:
from kivy.core.clipboard import Clipboard
if _action == 'cut':# cut selection
Clipboard.put(self.selection_text, 'text/plain')
self.delete_selection()
elif _action == 'copy':# copy selection
Clipboard.put(self.selection_text, 'text/plain')
elif _action == 'paste':# paste selection
data = Clipboard.get('text/plain')
if data:
self.delete_selection()
self.insert_text(data)
but_cut.bind(on_release = do_action)
but_copy.bind(on_release = do_action)
but_paste.bind(on_release = do_action)
bubble.add_widget(but_cut)
bubble.add_widget(but_copy)
bubble.add_widget(but_paste)
else:
win.remove_widget(self._bubble)
t_pos = touch.pos
bubble_size = bubble.size
bubble.pos = (t_pos[0] - bubble_size[0]/2,
t_pos[1])
bubble_pos = bubble.pos
lh, ls = self.line_height, self._line_spacing
if bubble_pos[0] < 0:
# bubble beyond left of window
bubble.pos = (0, bubble_pos[1])
if bubble.pos[1] > (win.size[1]- bubble_size[1]):
#bubble above window height
bubble.pos = (bubble.pos[0],
(t_pos[1]) - (bubble_size[1] + lh + ls))
bubble.arrow_pos = 'top_left'
else:
bubble.arrow_pos = 'bottom_left'
elif bubble.right > win.size[0]:
# bubble beyond right of window
bubble.right = win.size[0]
if bubble_pos[1] > (win.size[1]- bubble_size[1]):
#bubble above window height
bubble.pos = (bubble.pos[0],
(t_pos[1]) - (bubble_size[1] + lh + ls))
bubble.arrow_pos = 'top_right'
else:
bubble.arrow_pos = 'bottom_right'
else:
if bubble_pos[1] > (win.size[1]- bubble_size[1]):
#bubble above window height
bubble.pos = (bubble_pos[0],
(t_pos[1]) - (bubble_size[1] + lh + ls))
bubble.arrow_pos = 'top_mid'
else:
bubble.arrow_pos = 'bottom_mid'
win.add_widget(self._bubble)
#
# Private
#