tuikit: tuikit/widgets/button.py@8c7970520632 (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'
118 8c7970520632 Add mouse events, event demo. Radek Brich <radek.brich@devl.cz> parents: 109 diff changeset	27	self.color_highlight = 'default on yellow'
2 684cdc352562 Menu, Window and other improvements. Radek Brich <radek.brich@devl.cz> parents: 0 diff changeset	28	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	29
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	30	self.sig_clicked = Signal()
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	31
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	32	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	33
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	@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	35	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	36	"""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	37	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	38
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	@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	40	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	41	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	42	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	43	self.sizereq.update(w, 1)
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	44
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	45	def set_theme(self, theme):
97 0c2e0c09ba5c Add TextField widget, keypress event, cursor. Radek Brich <radek.brich@devl.cz> parents: 95 diff changeset	46	Widget.set_theme(self, theme)
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	47	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	48	self.color_active = theme.button_active
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	49
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	50	def _get_color(self):
118 8c7970520632 Add mouse events, event demo. Radek Brich <radek.brich@devl.cz> parents: 109 diff changeset	51	if self.highlight:
8c7970520632 Add mouse events, event demo. Radek Brich <radek.brich@devl.cz> parents: 109 diff changeset	52	return self.color_highlight
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	53	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	54	return self.color_active
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	55	return self.color
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	56
94 e50dae408fe9 Add origin to Buffer. Use it to simplify hierarchical drawing. Radek Brich <radek.brich@devl.cz> parents: 89 diff changeset	57	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	58	Widget.draw(self, buffer)
30 05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	59	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	60	lpad, rpad = self._divide_padding(pad)
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	61	with buffer.attr(self._get_color()):
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	62	# 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	63	buffer.puts(self.prefix)
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	64	pos = len(self.prefix)
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	65	# 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	66	buffer.puts(' ' * lpad, pos)
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	67	pos += lpad
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	68	# 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	69	buffer.puts(self.label, pos)
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	70	pos += len(self.label)
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	71	# 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	72	buffer.puts(' ' * rpad, pos)
89 94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	73	pos += rpad
94f5baef19ac Add Theme, Button. Radek Brich <radek.brich@devl.cz> parents: 62 diff changeset	74	# 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	75	buffer.puts(self.suffix, pos)
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	76
118 8c7970520632 Add mouse events, event demo. Radek Brich <radek.brich@devl.cz> parents: 109 diff changeset	77	def mousedown_event(self, ev):
2 684cdc352562 Menu, Window and other improvements. Radek Brich <radek.brich@devl.cz> parents: 0 diff changeset	78	self.highlight = True
118 8c7970520632 Add mouse events, event demo. Radek Brich <radek.brich@devl.cz> parents: 109 diff changeset	79	#self.redraw()
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	80
118 8c7970520632 Add mouse events, event demo. Radek Brich <radek.brich@devl.cz> parents: 109 diff changeset	81	def mouseup_event(self, ev):
2 684cdc352562 Menu, Window and other improvements. Radek Brich <radek.brich@devl.cz> parents: 0 diff changeset	82	self.highlight = False
118 8c7970520632 Add mouse events, event demo. Radek Brich <radek.brich@devl.cz> parents: 109 diff changeset	83	#self.redraw()
8c7970520632 Add mouse events, event demo. Radek Brich <radek.brich@devl.cz> parents: 109 diff changeset	84	self.sig_clicked()
0 a35731b5e31a tuikit Radek Brich <radek.brich@devl.cz> parents: diff changeset	85
118 8c7970520632 Add mouse events, event demo. Radek Brich <radek.brich@devl.cz> parents: 109 diff changeset	86	def keypress_event(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	87	if ev.keyname == 'enter':
118 8c7970520632 Add mouse events, event demo. Radek Brich <radek.brich@devl.cz> parents: 109 diff changeset	88	self.sig_clicked()
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	89
30 05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	90	def _divide_padding(self, pad):
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	91	# default is 'left'
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	92	lpad, rpad = 0, pad
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	93	if self.align == 'center':
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	94	lpad = pad // 2
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	95	rpad = pad - lpad
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	96	elif self.align == 'right':
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	97	lpad, rpad = pad, 0
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	98	return lpad, rpad
05500124d7fb Add setup script. Add Checkbox widget + demo. Updates. Radek Brich <radek.brich@devl.cz> parents: 18 diff changeset	99

author	Radek Brich <radek.brich@devl.cz>
	Sat, 21 Feb 2015 12:01:57 +0100
changeset 118	8c7970520632
parent 109	105b1affc3c2
child 119	dd91747504dd
permissions	-rw-r--r--