author | Radek Brich <radek.brich@devl.cz> |
Wed, 02 Jan 2013 00:16:12 +0100 | |
changeset 43 | 369c8ef5070a |
parent 41 | 37b7dfc3eae6 |
child 45 | 43b2279b06e1 |
permissions | -rw-r--r-- |
0 | 1 |
# -*- coding: utf-8 -*- |
2 |
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18
e6c3a5ee91aa
Eliminate relative imports.
Radek Brich <radek.brich@devl.cz>
parents:
9
diff
changeset
|
3 |
from tuikit.widget import Widget |
43
369c8ef5070a
Rename emitter module to events.
Radek Brich <radek.brich@devl.cz>
parents:
41
diff
changeset
|
4 |
from tuikit.events import Event |
18
e6c3a5ee91aa
Eliminate relative imports.
Radek Brich <radek.brich@devl.cz>
parents:
9
diff
changeset
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0 | 6 |
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7 |
class EditBox(Widget): |
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8 |
def __init__(self, width=20, height=20, text=''): |
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9 |
Widget.__init__(self, width, height) |
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10 |
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34
e3beacd5e536
Update event propagation, keypress event, focusing.
Radek Brich <radek.brich@devl.cz>
parents:
32
diff
changeset
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11 |
self.allow_focus = True |
e3beacd5e536
Update event propagation, keypress event, focusing.
Radek Brich <radek.brich@devl.cz>
parents:
32
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changeset
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0 | 13 |
self.xofs = 0 |
14 |
self.yofs = 0 |
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15 |
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16 |
# cursor |
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17 |
self.cline = 0 |
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self.cpos = 0 |
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19 |
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# selection |
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21 |
self.sline = 0 |
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self.spos = 0 |
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41
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
24 |
self.add_events( |
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
25 |
'scroll', Event, |
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
26 |
'areasize', Event) |
0 | 27 |
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3
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
28 |
self.set_text(text) |
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
29 |
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0 | 30 |
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41
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
31 |
def _handle_draw(self, ev): |
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
32 |
super()._handle_draw(ev) |
0 | 33 |
for j in range(self.height): |
34 |
if self.yofs + j >= len(self.lines): |
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35 |
break |
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36 |
line = self.lines[self.yofs + j] |
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37 |
#if len(line) < self.width: |
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#line += ' ' * (self.width - len(line)) |
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39 |
#else: |
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40 |
#line = line[:self.width] |
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41
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
41 |
ev.driver.puts(ev.x, ev.y + j, line) |
0 | 42 |
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34
e3beacd5e536
Update event propagation, keypress event, focusing.
Radek Brich <radek.brich@devl.cz>
parents:
32
diff
changeset
|
43 |
self.cursor = (self.get_cpos() - self.xofs, self.cline - self.yofs) |
0 | 44 |
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45 |
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41
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
46 |
def _handle_keypress(self, ev): |
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
47 |
super()._handle_keypress(ev) |
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
48 |
if ev.keyname: |
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
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if ev.keyname == 'left': |
0 | 50 |
self.move_left() |
51 |
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41
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
52 |
if ev.keyname == 'right': |
0 | 53 |
self.move_right() |
54 |
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41
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
55 |
if ev.keyname == 'home': |
0 | 56 |
self.move_home() |
57 |
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41
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
58 |
if ev.keyname == 'end': |
0 | 59 |
self.move_end() |
60 |
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41
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
61 |
if ev.keyname == 'up': |
0 | 62 |
self.move_up() |
63 |
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41
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
64 |
if ev.keyname == 'down': |
0 | 65 |
self.move_down() |
66 |
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41
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
67 |
if ev.keyname == 'pageup': |
0 | 68 |
self.move_pageup() |
69 |
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41
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
70 |
if ev.keyname == 'pagedown': |
0 | 71 |
self.move_pagedown() |
72 |
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41
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
73 |
if ev.keyname == 'backspace': |
0 | 74 |
if self.cline > 0 or self.cpos > 0: |
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self.move_left() |
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76 |
self.del_char() |
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77 |
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41
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
78 |
if ev.keyname == 'delete': |
0 | 79 |
self.del_char() |
80 |
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41
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
81 |
if ev.keyname == 'enter': |
0 | 82 |
self.add_newline() |
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self.move_right() |
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84 |
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41
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
85 |
if ev.char: |
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
86 |
self.add_char(ev.char) |
0 | 87 |
self.move_right() |
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||
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self.redraw() |
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40
5faa38c10b67
Add ScrollView widget. Update Emitter, rename "on_event" methods to "_handle_event". Update VScrollbar, Layout.
Radek Brich <radek.brich@devl.cz>
parents:
34
diff
changeset
|
92 |
def _handle_mousewheel(self, ev): |
5faa38c10b67
Add ScrollView widget. Update Emitter, rename "on_event" methods to "_handle_event". Update VScrollbar, Layout.
Radek Brich <radek.brich@devl.cz>
parents:
34
diff
changeset
|
93 |
super()._handle_mousewheel(ev) |
0 | 94 |
# up |
95 |
if ev.button == 4: |
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self.move_up() |
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# down |
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if ev.button == 5: |
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self.move_down() |
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self.redraw() |
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102 |
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def set_text(self, text): |
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self.lines = text.split('\n') |
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34
e3beacd5e536
Update event propagation, keypress event, focusing.
Radek Brich <radek.brich@devl.cz>
parents:
32
diff
changeset
|
105 |
self.emit('areasize') |
0 | 106 |
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107 |
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def get_text(self): |
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return '\n'.join(self.lines) |
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def get_linelen(self): |
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return len(self.lines[self.cline]) |
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def get_cpos(self): |
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if self.cpos > self.get_linelen(): |
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return self.get_linelen() |
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return self.cpos |
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def set_yofs(self, yofs): |
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3
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
123 |
if yofs > len(self.lines) - self.height: |
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
124 |
yofs = len(self.lines) - self.height |
0 | 125 |
if yofs < 0: |
126 |
yofs = 0 |
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41
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
127 |
if self.yofs != yofs: |
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
128 |
self.yofs = yofs |
37b7dfc3eae6
Update Emitter: All event handlers now have exactly one argument: object inherited from Event class, which carries any data.
Radek Brich <radek.brich@devl.cz>
parents:
40
diff
changeset
|
129 |
self.emit('scroll') |
0 | 130 |
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131 |
||
132 |
def move_left(self): |
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if self.cpos > 0: |
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self.cpos = self.get_cpos() - 1 |
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else: |
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if self.move_up(): |
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self.cpos = self.get_linelen() |
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139 |
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def move_right(self): |
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if self.cpos < self.get_linelen(): |
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self.cpos += 1 |
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else: |
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if self.move_down(): |
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self.cpos = 0 |
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147 |
||
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def move_home(self): |
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self.cpos = 0 |
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def move_end(self): |
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self.cpos = self.get_linelen() |
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154 |
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155 |
||
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def move_up(self): |
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if self.cline > 0: |
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self.cline -= 1 |
|
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if self.cline < self.yofs: |
|
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self.set_yofs(self.cline) |
|
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return True |
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return False |
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164 |
||
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def move_down(self): |
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if self.cline < len(self.lines) - 1: |
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self.cline += 1 |
|
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if self.cline > self.yofs + self.height - 1: |
|
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self.set_yofs(self.cline - (self.height - 1)) |
|
170 |
return True |
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return False |
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172 |
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173 |
||
174 |
def move_pageup(self): |
|
175 |
if self.cline >= self.height - 1: |
|
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self.cline -= self.height - 1 |
|
177 |
self.set_yofs(self.yofs - (self.height - 1)) |
|
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else: |
|
179 |
self.cline = 0 |
|
180 |
self.set_yofs(0) |
|
181 |
||
182 |
||
183 |
def move_pagedown(self): |
|
184 |
if self.cline <= len(self.lines) - (self.height - 1): |
|
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self.cline += self.height - 1 |
|
186 |
self.set_yofs(self.yofs + (self.height - 1)) |
|
187 |
else: |
|
188 |
self.cline = len(self.lines) - 1 |
|
189 |
self.set_yofs(self.cline) |
|
190 |
||
191 |
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3
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
192 |
def move_pagefirst(self): |
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
193 |
self.cline = 0 |
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
194 |
self.set_yofs(0) |
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
195 |
|
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
196 |
|
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
197 |
def move_pagelast(self): |
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
198 |
self.cline = len(self.lines) - 1 |
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
199 |
self.set_yofs(self.cline) |
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
200 |
|
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
201 |
|
0 | 202 |
def add_char(self, c): |
203 |
ln = self.lines[self.cline] |
|
204 |
cpos = self.get_cpos() |
|
205 |
self.lines[self.cline] = ln[:cpos] + c + ln[cpos:] |
|
206 |
self.cpos = cpos |
|
207 |
||
208 |
||
209 |
def add_newline(self): |
|
210 |
ln = self.lines[self.cline] |
|
211 |
cpos = self.get_cpos() |
|
212 |
self.lines[self.cline] = ln[cpos:] |
|
213 |
self.lines.insert(self.cline, ln[:cpos]) |
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34
e3beacd5e536
Update event propagation, keypress event, focusing.
Radek Brich <radek.brich@devl.cz>
parents:
32
diff
changeset
|
214 |
self.emit('areasize') |
0 | 215 |
|
216 |
||
217 |
def del_char(self): |
|
218 |
ln = self.lines[self.cline] |
|
219 |
cpos = self.get_cpos() |
|
220 |
if cpos == self.get_linelen(): |
|
221 |
if self.cline + 1 < len(self.lines): |
|
222 |
self.lines[self.cline] = self.lines[self.cline] + self.lines[self.cline+1] |
|
223 |
del self.lines[self.cline+1] |
|
34
e3beacd5e536
Update event propagation, keypress event, focusing.
Radek Brich <radek.brich@devl.cz>
parents:
32
diff
changeset
|
224 |
self.emit('areasize') |
0 | 225 |
else: |
226 |
self.lines[self.cline] = ln[:cpos] + ln[cpos+1:] |
|
18
e6c3a5ee91aa
Eliminate relative imports.
Radek Brich <radek.brich@devl.cz>
parents:
9
diff
changeset
|
227 |