File: qtgui_chooser.xml

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<?xml version="1.0"?>
<!--
###################################################
##Variable Chooser:
##	A chooser, radio buttons
###################################################
 -->
<block>
	<name>QT GUI Chooser</name>
	<key>variable_qtgui_chooser</key>
	<import>from PyQt5 import Qt</import>
	<import>from PyQt5.QtCore import QObject, pyqtSlot</import>
	<var_make>self.$(id) = $(id) = $value</var_make>
	<make>#slurp
#set $all_options = [$option0, $option1, $option2, $option3, $option4][:int($num_opts())]
#set $all_labels = [$label0, $label1, $label2, $label3, $label4][:int($num_opts())]
#if not $label()
	#set $label = '"%s"'%$id
#end if
########################################################################
## Create the options list
########################################################################
#if int($num_opts())
self._$(id)_options = (#slurp
	#for $ch in $all_options
$ch, #slurp
	#end for
)
#else
self._$(id)_options = $options
#end if
########################################################################
## Create the labels list
########################################################################
#if int($num_opts())
self._$(id)_labels = (#slurp
	#for i, $lbl in enumerate($all_labels)
	#if $lbl()
$lbl, #slurp
	#else
str(self._$(id)_options[$i]), #slurp
	#end if
	#end for
)
#elif $labels()
self._$(id)_labels = $labels
#else
self._$(id)_labels = map(str, self._$(id)_options)
#end if
########################################################################
## Create the combo box
########################################################################
#if $widget() == 'combo_box'
#set $win = 'self._%s_tool_bar'%$id
$win = Qt.QToolBar(self)
$(win).addWidget(Qt.QLabel($label+": "))
self._$(id)_combo_box = Qt.QComboBox()
$(win).addWidget(self._$(id)_combo_box)
for label in self._$(id)_labels: self._$(id)_combo_box.addItem(label)
self._$(id)_callback = lambda i: Qt.QMetaObject.invokeMethod(self._$(id)_combo_box, "setCurrentIndex", Qt.Q_ARG("int", self._$(id)_options.index(i)))
self._$(id)_callback(self.$id)
self._$(id)_combo_box.currentIndexChanged.connect(
	lambda i: self.set_$(id)(self._$(id)_options[i]))
#end if
########################################################################
## Create the radio buttons
########################################################################
#if $widget() == 'radio_buttons'
#set $win = 'self._%s_group_box'%$id
$win = Qt.QGroupBox($label)
self._$(id)_box = $(orient)()
class variable_chooser_button_group(Qt.QButtonGroup):
    def __init__(self, parent=None):
        Qt.QButtonGroup.__init__(self, parent)
    @pyqtSlot(int)
    def updateButtonChecked(self, button_id):
        self.button(button_id).setChecked(True)
self._$(id)_button_group = variable_chooser_button_group()
$(win).setLayout(self._$(id)_box)
for i, label in enumerate(self._$(id)_labels):
	radio_button = Qt.QRadioButton(label)
	self._$(id)_box.addWidget(radio_button)
	self._$(id)_button_group.addButton(radio_button, i)
self._$(id)_callback = lambda i: Qt.QMetaObject.invokeMethod(self._$(id)_button_group, "updateButtonChecked", Qt.Q_ARG("int", self._$(id)_options.index(i)))
self._$(id)_callback(self.$id)
self._$(id)_button_group.buttonClicked[int].connect(
	lambda i: self.set_$(id)(self._$(id)_options[i]))
#end if
$(gui_hint() % $win)</make>

	<callback>self.set_$(id)($value)</callback>
	<callback>self._$(id)_callback($id)</callback>
	<param>
		<name>Label</name>
		<key>label</key>
		<value></value>
		<type>string</type>
		<hide>#if $label() then 'none' else 'part'#</hide>
	</param>
	<param>
		<name>Type</name>
		<key>type</key>
		<value>int</value>
		<type>enum</type>
		<hide>part</hide>
		<option><name>Float</name><key>real</key></option>
		<option><name>Integer</name><key>int</key></option>
		<option><name>String</name><key>string</key></option>
		<option><name>Any</name><key>raw</key></option>
	</param>
	<param>
		<name>Num Options</name>
		<key>num_opts</key>
		<value>3</value>
		<type>enum</type>
		<option><name>List</name><key>0</key></option>
		<option><name>1</name><key>1</key></option>
		<option><name>2</name><key>2</key></option>
		<option><name>3</name><key>3</key></option>
		<option><name>4</name><key>4</key></option>
		<option><name>5</name><key>5</key></option>
	</param>
	<param>
		<name>Default Value</name>
		<key>value</key>
		<value>0</value>
		<type>$type</type>
	</param>
	<param>
		<name>Options</name>
		<key>options</key>
		<value>[0, 1, 2]</value>
		<type>raw</type>
		<hide>#if int($num_opts()) then 'all' else 'none'#</hide>
	</param>
	<param>
		<name>Labels</name>
		<key>labels</key>
		<value>[]</value>
		<type>raw</type>
		<hide>#if int($num_opts()) then 'all' else 'none'#</hide>
	</param>
	<param>
		<name>Option 0</name>
		<key>option0</key>
		<value>0</value>
		<type>$type</type>
		<hide>#if int($num_opts()) > 0 then 'none' else 'all'#</hide>
	</param>
	<param>
		<name>Label 0</name>
		<key>label0</key>
		<value></value>
		<type>string</type>
		<hide>$((int($num_opts()) > 0) and ($label0() and 'none' or 'part') or 'all')</hide>
	</param>
	<param>
		<name>Option 1</name>
		<key>option1</key>
		<value>1</value>
		<type>$type</type>
		<hide>#if int($num_opts()) > 1 then 'none' else 'all'#</hide>
	</param>
	<param>
		<name>Label 1</name>
		<key>label1</key>
		<value></value>
		<type>string</type>
		<hide>$((int($num_opts()) > 1) and ($label1() and 'none' or 'part') or 'all')</hide>
	</param>
	<param>
		<name>Option 2</name>
		<key>option2</key>
		<value>2</value>
		<type>$type</type>
		<hide>#if int($num_opts()) > 2 then 'none' else 'all'#</hide>
	</param>
	<param>
		<name>Label 2</name>
		<key>label2</key>
		<value></value>
		<type>string</type>
		<hide>$((int($num_opts()) > 2) and ($label2() and 'none' or 'part') or 'all')</hide>
	</param>
	<param>
		<name>Option 3</name>
		<key>option3</key>
		<value>3</value>
		<type>$type</type>
		<hide>#if int($num_opts()) > 3 then 'none' else 'all'#</hide>
	</param>
	<param>
		<name>Label 3</name>
		<key>label3</key>
		<value></value>
		<type>string</type>
		<hide>$((int($num_opts()) > 3) and ($label3() and 'none' or 'part') or 'all')</hide>
	</param>
	<param>
		<name>Option 4</name>
		<key>option4</key>
		<value>4</value>
		<type>$type</type>
		<hide>#if int($num_opts()) > 4 then 'none' else 'all'#</hide>
	</param>
	<param>
		<name>Label 4</name>
		<key>label4</key>
		<value></value>
		<type>string</type>
		<hide>$((int($num_opts()) > 4) and ($label4() and 'none' or 'part') or 'all')</hide>
	</param>
	<param>
		<name>Widget</name>
		<key>widget</key>
		<value>combo_box</value>
		<type>enum</type>
		<hide>part</hide>
		<option><name>Combo Box</name><key>combo_box</key></option>
		<option><name>Radio Buttons</name><key>radio_buttons</key></option>
	</param>
	<param>
		<name>Orientation</name>
		<key>orient</key>
		<value>Qt.QVBoxLayout</value>
		<type>enum</type>
		<hide>#if $widget() == 'radio_buttons' then 'part' else 'all'#</hide>
		<option>
			<name>Horizontal</name>
			<key>Qt.QHBoxLayout</key>
		</option>
		<option>
			<name>Vertical</name>
			<key>Qt.QVBoxLayout</key>
		</option>
	</param>
	<param>
		<name>GUI Hint</name>
		<key>gui_hint</key>
		<value></value>
		<type>gui_hint</type>
		<hide>part</hide>
	</param>
	<doc>
This block creates a variable with enumerated options. \
The gui widget is implemented as a combo box or radio button group. \
Leave the label blank to use the variable id as the label.

Choose the number of options available to your chooser. \
When the label is left blank, the option will be used as the label. \
Set the number of options to "list" to enter a single list of options and labels. \
When the labels is an empty list, the options will be used as the label.

The GUI hint can be used to position the widget within the application. \
The hint is of the form [tab_id@tab_index]: [row, col, row_span, col_span]. \
Both the tab specification and the grid position are optional.
	</doc>
</block>