tuikit: tuikit/widgets/textfield.py@cf3d49cdd6e2 (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)
109 105b1affc3c2 Update keypress propagation. Allow focus change by tab key. Add log property to Widget for smart logging. Radek Brich <radek.brich@devl.cz> parents: 97 diff changeset	10	self.allow_focus = True
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	11	self.sizereq.update(10, 1)
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	12
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	13	self.code = locale.getpreferredencoding()
10 ec1d47e6fe09 Use isinstance instead of type. Radek Brich <radek.brich@devl.cz> parents: 9 diff changeset	14	if not isinstance(value, str):
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	15	value = str(value, self.code)
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	16
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	17	self.value = value
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	18	self.maxlen = None # unlimited
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	19
8 fcaabd817774 Update editfield - place cursor to end initially. Radek Brich <radek.brich@devl.cz> parents: 5 diff changeset	20	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	21	self.curspos = len(value) # position of cursor in value
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	22	self.ofs = 0 # position of value beginning on screen
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	23
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	24	def resize(self, w, h):
8 fcaabd817774 Update editfield - place cursor to end initially. Radek Brich <radek.brich@devl.cz> parents: 5 diff changeset	25	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	26
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	27	def draw(self, buffer):
109 105b1affc3c2 Update keypress propagation. Allow focus change by tab key. Add log property to Widget for smart logging. Radek Brich <radek.brich@devl.cz> parents: 97 diff changeset	28	color = self.theme.active if self.has_focus() else self.theme.normal
105b1affc3c2 Update keypress propagation. Allow focus change by tab key. Add log property to Widget for smart logging. Radek Brich <radek.brich@devl.cz> parents: 97 diff changeset	29	with buffer.attr(color):
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	30	# draw value
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	31	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	32	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	33	buffer.puts(val.encode(self.code), 1)
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	34
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	35	# draw arrows if content overflows
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	36	c = ' '
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	37	if self.ofs > 0:
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	38	c = '<'
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	39	buffer.putch(c)
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	40
97 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	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	43	c = '>'
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	44	buffer.putch(c, self.width-1, 0)
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	45
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	46	self._cursor = (1 + self.curspos - self.ofs, 0)
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	47
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	48	def keypress(self, keyname, char, mod=0):
109 105b1affc3c2 Update keypress propagation. Allow focus change by tab key. Add log property to Widget for smart logging. Radek Brich <radek.brich@devl.cz> parents: 97 diff changeset	49	consumed = True
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	50	if keyname == 'left':
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	51	self.move_left()
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	52	elif keyname == 'right':
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	53	self.move_right()
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	54	elif keyname == 'backspace':
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	55	if self.curspos > 0:
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	56	self.move_left()
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	57	self.del_char()
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	58	elif keyname == 'delete':
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	59	self.del_char()
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	60	else:
109 105b1affc3c2 Update keypress propagation. Allow focus change by tab key. Add log property to Widget for smart logging. Radek Brich <radek.brich@devl.cz> parents: 97 diff changeset	61	consumed = False
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	62
110 cf3d49cdd6e2 Add cursesw driver, using curses get_wch() for unicode input. It alse has enabled keypad() to let curses interpret control keys and mouse input. Radek Brich <radek.brich@devl.cz> parents: 109 diff changeset	63	if not keyname and char:
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	64	self.add_char(char)
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	65	self.move_right()
109 105b1affc3c2 Update keypress propagation. Allow focus change by tab key. Add log property to Widget for smart logging. Radek Brich <radek.brich@devl.cz> parents: 97 diff changeset	66	consumed = 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	67
109 105b1affc3c2 Update keypress propagation. Allow focus change by tab key. Add log property to Widget for smart logging. Radek Brich <radek.brich@devl.cz> parents: 97 diff changeset	68	if consumed:
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	69	#self.redraw()
109 105b1affc3c2 Update keypress propagation. Allow focus change by tab key. Add log property to Widget for smart logging. Radek Brich <radek.brich@devl.cz> parents: 97 diff changeset	70	return True
105b1affc3c2 Update keypress propagation. Allow focus change by tab key. Add log property to Widget for smart logging. Radek Brich <radek.brich@devl.cz> parents: 97 diff changeset	71	Widget.keypress(self, keyname, char, mod)
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	72
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	73	def move_left(self):
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	74	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	75	# move cursor
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	76	self.curspos -= 1
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	77	else:
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	78	# move content in field
8 fcaabd817774 Update editfield - place cursor to end initially. Radek Brich <radek.brich@devl.cz> parents: 5 diff changeset	79	if self.ofs > 0:
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	80	self.curspos -= 1
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	81	self.ofs -= 1
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	82
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	83	def move_right(self):
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	84	if self.curspos < len(self.value):
0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	85	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	86	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	87	# move cursor
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	88	self.curspos += 1
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	89	else:
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	90	# move content in field
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	self.ofs += 1
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	93
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	94	def add_char(self, c):
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	95	self.value = self.value[:self.curspos] + c + self.value[self.curspos:]
0 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 del_char(self):
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] + self.value[self.curspos+1:]
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	99

author	Radek Brich <radek.brich@devl.cz>
	Wed, 03 Sep 2014 19:13:37 +0200
changeset 110	cf3d49cdd6e2
parent 109	105b1affc3c2
child 111	b055add74b18
permissions	-rw-r--r--