tuikit: tuikit/widgets/button.py@105b1affc3c2 (annotated)

89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	1	from tuikit.core.widget import Widget
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	2	from tuikit.core.signal import Signal
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	3
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	4
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	5	class Button(Widget):
32 088b92ffb119 Clean up, refactoring. Rename EventSource to Emitter, begin merging emit() method with handle(). Radek Brich <radek.brich@devl.cz> parents: 30 diff changeset	6
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	7	"""Clickable button."""
32 088b92ffb119 Clean up, refactoring. Rename EventSource to Emitter, begin merging emit() method with handle(). Radek Brich <radek.brich@devl.cz> parents: 30 diff changeset	8
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	9	def __init__(self, label='btn'):
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	10	"""Create button with given label, size according to label."""
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	11	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	12	self.allow_focus = True
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	13
13 19ebde2fd594 Add more generated documentation. Radek Brich <radek.brich@devl.cz> parents: 9 diff changeset	14	#: Button label.
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	15	self._label = ''
30 05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	16	#: Text or graphics to be added before label
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	17	self.prefix = '['
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	18	#: Text or graphics to be added after label
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	19	self.suffix = ']'
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	20	#: How should label be aligned if button has excess space - center \| left \| right
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	21	self.align = 'center'
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	22	#: Padding between prefix/suffix and label
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	23	self.padding = 1
32 088b92ffb119 Clean up, refactoring. Rename EventSource to Emitter, begin merging emit() method with handle(). Radek Brich <radek.brich@devl.cz> parents: 30 diff changeset	24
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	25	self.color = 'default'
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	26	self.color_active = 'default on red'
2 684cdc352562 Menu, Window and other improvements. Radek Brich <radek.brich@devl.cz> parents: 0 diff changeset	27	self.highlight = False
32 088b92ffb119 Clean up, refactoring. Rename EventSource to Emitter, begin merging emit() method with handle(). Radek Brich <radek.brich@devl.cz> parents: 30 diff changeset	28
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	29	self.sig_clicked = Signal()
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	30
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	31	self.label = label
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	32
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	33	@property
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	34	def label(self):
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	35	"""Button label."""
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	36	return self._label
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	37
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	38	@label.setter
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	39	def label(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	40	self._label = 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	41	w = len(value) + len(self.prefix) + len(self.suffix) + 2 * self.padding
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	42	self.sizereq.update(w, 1)
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	43
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	44	def set_theme(self, theme):
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 95 diff changeset	45	Widget.set_theme(self, theme)
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	46	self.color = theme.button
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	47	self.color_active = theme.button_active
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	48
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	49	def _get_color(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	50	if self.has_focus():
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	51	return self.color_active
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	52	return self.color
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	53
94 e50dae408fe9 Add origin to Buffer. Use it to simplify hierarchical drawing. Radek Brich <radek.brich@devl.cz> parents: 89 diff changeset	54	def draw(self, buffer):
e50dae408fe9 Add origin to Buffer. Use it to simplify hierarchical drawing. Radek Brich <radek.brich@devl.cz> parents: 89 diff changeset	55	Widget.draw(self, buffer)
30 05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	56	pad = self.width - len(self.label) - len(self.prefix) - len(self.suffix)
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	57	lpad, rpad = self._divide_padding(pad)
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	58	with buffer.attr(self._get_color()):
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	59	# prefix
95 05392e369ede Refactoring: Swap drawing operations parameters. Coords are now last and have default values. Radek Brich <radek.brich@devl.cz> parents: 94 diff changeset	60	buffer.puts(self.prefix)
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	61	pos = len(self.prefix)
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	62	# left pad
95 05392e369ede Refactoring: Swap drawing operations parameters. Coords are now last and have default values. Radek Brich <radek.brich@devl.cz> parents: 94 diff changeset	63	buffer.puts(' ' * lpad, pos)
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	64	pos += lpad
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	65	# label
95 05392e369ede Refactoring: Swap drawing operations parameters. Coords are now last and have default values. Radek Brich <radek.brich@devl.cz> parents: 94 diff changeset	66	buffer.puts(self.label, pos)
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	67	pos += len(self.label)
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	68	# right pad
95 05392e369ede Refactoring: Swap drawing operations parameters. Coords are now last and have default values. Radek Brich <radek.brich@devl.cz> parents: 94 diff changeset	69	buffer.puts(' ' * rpad, pos)
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	70	pos += rpad
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	71	# suffix
95 05392e369ede Refactoring: Swap drawing operations parameters. Coords are now last and have default values. Radek Brich <radek.brich@devl.cz> parents: 94 diff changeset	72	buffer.puts(self.suffix, pos)
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	73
45 43b2279b06e1 Clean up Emitter class, simplify event handling. Fix Container.focusnext() method. Add events test (handler auto-registration, order). Radek Brich <radek.brich@devl.cz> parents: 43 diff changeset	74	def on_mousedown(self, ev):
2 684cdc352562 Menu, Window and other improvements. Radek Brich <radek.brich@devl.cz> parents: 0 diff changeset	75	self.highlight = True
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	76	self.redraw()
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	77
45 43b2279b06e1 Clean up Emitter class, simplify event handling. Fix Container.focusnext() method. Add events test (handler auto-registration, order). Radek Brich <radek.brich@devl.cz> parents: 43 diff changeset	78	def on_mouseup(self, ev):
2 684cdc352562 Menu, Window and other improvements. Radek Brich <radek.brich@devl.cz> parents: 0 diff changeset	79	self.highlight = False
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	80	self.redraw()
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	81
a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	82	if self.enclose(ev.px, ev.py):
34 e3beacd5e536 Update event propagation, keypress event, focusing. Radek Brich <radek.brich@devl.cz> parents: 32 diff changeset	83	self.emit('click')
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	84
45 43b2279b06e1 Clean up Emitter class, simplify event handling. Fix Container.focusnext() method. Add events test (handler auto-registration, order). Radek Brich <radek.brich@devl.cz> parents: 43 diff changeset	85	def on_keypress(self, ev):
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	86	if ev.keyname == 'enter':
34 e3beacd5e536 Update event propagation, keypress event, focusing. Radek Brich <radek.brich@devl.cz> parents: 32 diff changeset	87	self.emit('click')
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: 7 diff changeset	88
30 05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	89	def _divide_padding(self, pad):
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	90	# default is 'left'
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	91	lpad, rpad = 0, pad
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	92	if self.align == 'center':
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	93	lpad = pad // 2
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	94	rpad = pad - lpad
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	95	elif self.align == 'right':
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	96	lpad, rpad = pad, 0
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	97	return lpad, rpad
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	98

author	Radek Brich <radek.brich@devl.cz>
	Wed, 03 Sep 2014 19:08:21 +0200
changeset 109	105b1affc3c2
parent 97	0c2e0c09ba5c
child 118	8c7970520632
permissions	-rw-r--r--