tuikit: tuikit/widgets/textfield.py@0c2e0c09ba5c (annotated)

0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	1	import locale
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	2
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	3	from tuikit.core.widget import Widget
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	4
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	5
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	6	class TextField(Widget):
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	7
62 2f61931520c9 Rework layouts: Layout is now normal Container which places its children upon resize event. Radek Brich <radek.brich@devl.cz> parents: 45 diff changeset	8	def __init__(self, value=''):
2f61931520c9 Rework layouts: Layout is now normal Container which places its children upon resize event. Radek Brich <radek.brich@devl.cz> parents: 45 diff changeset	9	Widget.__init__(self)
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	10	self.sizereq.update(10, 1)
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	11
34 e3beacd5e536 Update event propagation, keypress event, focusing. Radek Brich <radek.brich@devl.cz> parents: 30 diff changeset	12	self.allow_focus = True
e3beacd5e536 Update event propagation, keypress event, focusing. Radek Brich <radek.brich@devl.cz> parents: 30 diff changeset	13
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	14	self.code = locale.getpreferredencoding()
10 ec1d47e6fe09 Use isinstance instead of type. Radek Brich <radek.brich@devl.cz> parents: 9 diff changeset	15	if not isinstance(value, str):
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	16	value = str(value, self.code)
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	17
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	18	self.value = value
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	19	self.maxlen = None # unlimited
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	20
8 fcaabd817774 Update editfield - place cursor to end initially. Radek Brich <radek.brich@devl.cz> parents: 5 diff changeset	21	self.tw = 0 # real width of text field (minus space for arrows)
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	22	self.curspos = len(value) # position of cursor in value
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	23	self.ofs = 0 # position of value beginning on screen
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	24
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	25	def resize(self, w, h):
8 fcaabd817774 Update editfield - place cursor to end initially. Radek Brich <radek.brich@devl.cz> parents: 5 diff changeset	26	self.tw = self.width - 2
5 ae128c885d0f New GridLayout. Change cursor behavior (hide on unfocus event). Change resize event to propagate through containers. Change container clipping - allowlayout=false children are clipped without borders. More Widget doc. Radek Brich <radek.brich@devl.cz> parents: 0 diff changeset	27
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	28	def set_theme(self, theme):
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	29	self.color = theme.normal
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	30
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	31	def draw(self, buffer):
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	32	with buffer.attr(self.color):
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	33	# draw value
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	34	val = self.value + ' ' * self.tw # add spaces to fill rest of field
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	35	val = val[self.ofs : self.ofs + self.tw] # cut value - begin from ofs, limit to tw chars
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	36	buffer.puts(val.encode(self.code), 1)
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	37
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	38	# draw arrows if content overflows
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	39	c = ' '
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	40	if self.ofs > 0:
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	41	c = '<'
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	42	buffer.putch(c)
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	43
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	44	c = ' '
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	45	if len(self.value[self.ofs:]) > self.tw:
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	46	c = '>'
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	47	buffer.putch(c, self.width-1, 0)
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	48
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	49	self._cursor = (1 + self.curspos - self.ofs, 0)
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	50
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	51	def keypress(self, keyname, char, mod=0):
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	52	Widget.keypress(self, keyname, char, mod)
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	53	accepted = True
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	54	if keyname == 'left':
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	55	self.move_left()
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	56	elif keyname == 'right':
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	57	self.move_right()
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	58	elif keyname == 'backspace':
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	59	if self.curspos > 0:
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	60	self.move_left()
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	61	self.del_char()
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	62	elif keyname == 'delete':
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	63	self.del_char()
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	64	else:
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	65	accepted = False
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	66
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	67	if char:
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	68	self.add_char(char)
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	69	self.move_right()
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	70	accepted = True
9 7175ed629a76 Added ComboBox, HorizontalLayout, TreeNode, TreeModel, TreeView. Widget is now descendant of EventSource. Improved color management (color prefixes). Radek Brich <radek.brich@devl.cz> parents: 8 diff changeset	71
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	72	#if accepted:
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	73	#self.redraw()
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	74	return accepted
9 7175ed629a76 Added ComboBox, HorizontalLayout, TreeNode, TreeModel, TreeView. Widget is now descendant of EventSource. Improved color management (color prefixes). Radek Brich <radek.brich@devl.cz> parents: 8 diff changeset	75
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	76	def move_left(self):
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	77	if self.curspos - self.ofs > 1 or (self.ofs == 0 and self.curspos == 1):
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	78	# move cursor
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	79	self.curspos -= 1
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	80	else:
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	81	# move content in field
8 fcaabd817774 Update editfield - place cursor to end initially. Radek Brich <radek.brich@devl.cz> parents: 5 diff changeset	82	if self.ofs > 0:
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	83	self.curspos -= 1
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	84	self.ofs -= 1
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	85
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	86	def move_right(self):
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	87	if self.curspos < len(self.value):
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	88	if self.curspos - self.ofs < self.tw - 2 \
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	89	or (self.curspos - self.ofs == self.tw - 2 and self.curspos == len(self.value)-1):
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	90	# move cursor
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	91	self.curspos += 1
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	92	else:
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	93	# move content in field
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	94	self.curspos += 1
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	95	self.ofs += 1
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	96
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	97	def add_char(self, c):
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	98	self.value = self.value[:self.curspos] + c + self.value[self.curspos:]
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	99
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	100	def del_char(self):
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	101	self.value = self.value[:self.curspos] + self.value[self.curspos+1:]
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	102

author	Radek Brich <radek.brich@devl.cz>
	Fri, 28 Mar 2014 19:58:59 +0100
changeset 97	0c2e0c09ba5c
parent 62	tuikit/editfield.py@2f61931520c9
child 103	49f212aa0228
child 109	105b1affc3c2
permissions	-rw-r--r--