Factor combobox logic into a new `Selection` subtype
Tyler Goodlet
parent
6a31c4e160
commit
75e1bf3f6e
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@ -42,12 +42,10 @@ from PyQt5.QtWidgets import (
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QStyledItemDelegate,
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QStyleOptionViewItem,
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)
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# import pydantic
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from ._event import open_handlers
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from ._style import hcolor, _font, _font_small, DpiAwareFont
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from ._label import FormatLabel
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from .. import config
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class FontAndChartAwareLineEdit(QLineEdit):
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@ -71,17 +69,21 @@ class FontAndChartAwareLineEdit(QLineEdit):
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if width_in_chars:
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self._chars = int(width_in_chars)
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x_size_policy = QSizePolicy.Fixed
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else:
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# chart count which will be used to calculate
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# width of input field.
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self._chars: int = 9
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self._chars: int = 6
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# fit to surroundingn frame width
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x_size_policy = QSizePolicy.Expanding
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super().__init__(parent)
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# size it as we specify
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# https://doc.qt.io/qt-5/qsizepolicy.html#Policy-enum
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self.setSizePolicy(
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QSizePolicy.Expanding,
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x_size_policy,
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QSizePolicy.Fixed,
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)
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self.setFont(font.font)
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@ -99,11 +101,11 @@ class FontAndChartAwareLineEdit(QLineEdit):
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dpi_font = self.dpi_font
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psh.setHeight(dpi_font.px_size)
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# space for ``._chars: int``
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char_w_pxs = dpi_font.boundingRect(self.text()).width()
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chars_w = char_w_pxs + 6 # * dpi_font.scale() * self._chars
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psh.setWidth(chars_w)
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# make space for ``._chars: int`` for of characters in view
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# TODO: somehow this math ain't right?
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chars_w_pxs = dpi_font.boundingRect('0'*self._chars).width()
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scale = round(dpi_font.scale())
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psh.setWidth(chars_w_pxs * scale)
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return psh
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def set_width_in_chars(
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@ -167,23 +169,93 @@ class FontScaledDelegate(QStyledItemDelegate):
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# QStyledItemDelegate.paint(self, painter, option, index)
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# NOTE: in theory we can put icons on the RHS side with this hackery:
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# https://stackoverflow.com/a/64256969
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# class ComboBox(QComboBox):
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# def __init__(
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# self,
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# parent=None,
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# ) -> None:
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# super().__init__(parent=parent)
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class Selection(QComboBox):
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# def showPopup(self):
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# print('show')
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# QComboBox.showPopup(self)
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def __init__(
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self,
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parent=None,
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# def hidePopup(self):
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# # self.setItemDelegate(FontScaledDelegate(self.parent()))
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# print('hide')
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# QComboBox.hidePopup(self)
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) -> None:
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self._items: dict[str, int] = {}
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super().__init__(parent=parent)
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self.setSizeAdjustPolicy(QComboBox.AdjustToContents)
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# make line edit expand to surrounding frame
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self.setSizePolicy(
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QSizePolicy.Expanding,
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QSizePolicy.Fixed,
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)
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view = self.view()
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view.setUniformItemSizes(True)
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# TODO: this doesn't seem to work for the currently selected item?
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self.setItemDelegate(FontScaledDelegate(self))
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def set_style(
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self,
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color: str,
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font_size: int,
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) -> None:
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self.setStyleSheet(
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f"""QComboBox {{
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color : {hcolor(color)};
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font-size : {font_size}px;
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}}
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"""
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)
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def set_items(
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self,
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keys: list[str],
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) -> None:
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'''Write keys to the selection verbatim.
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All other items are cleared beforehand.
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'''
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self.clear()
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self._items.clear()
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for i, key in enumerate(keys):
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strkey = str(key)
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self.insertItem(i, strkey)
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# store map of entry keys to row indexes
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self._items[strkey] = i
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# compute max item size so that the weird
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# "style item delegate" thing can then specify
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# that size on each item...
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keys.sort()
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br = _font.boundingRect(str(keys[-1]))
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_, h = br.width(), br.height()
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# TODO: something better then this monkey patch
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view = self.view()
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# XXX: see size policy settings of line edit
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# view._max_item_size = w, h
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self.setMinimumHeight(h) # at least one entry in view
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view.setMaximumHeight(6*h) # limit to 6 items max in view
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icon_size = round(h * 0.75)
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self.setIconSize(QSize(icon_size, icon_size))
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# # NOTE: in theory we can put icons on the RHS side with this hackery:
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# # https://stackoverflow.com/a/64256969
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# def showPopup(self):
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# print('show')
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# QComboBox.showPopup(self)
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# def hidePopup(self):
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# # self.setItemDelegate(FontScaledDelegate(self.parent()))
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# print('hide')
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# QComboBox.hidePopup(self)
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# slew of resources which helped get this where it is:
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@ -279,6 +351,7 @@ class FieldsForm(QWidget):
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edit = FontAndChartAwareLineEdit(
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parent=self,
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# width_in_chars=6,
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)
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edit.setStyleSheet(
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f"""QLineEdit {{
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@ -301,66 +374,23 @@ class FieldsForm(QWidget):
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label_name: str,
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values: list[str],
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) -> QComboBox:
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) -> Selection:
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# TODO: maybe a distint layout per "field" item?
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label = self.add_field_label(label_name)
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select = QComboBox(self)
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select = Selection(self)
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select.set_style(color='gunmetal', font_size=self._font_size)
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select._key = key
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select._items: dict[str, int] = {}
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for i, value in enumerate(values):
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strkey = str(value)
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select.insertItem(i, strkey)
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# store map of entry keys to row indexes
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select._items[strkey] = i
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select.setStyleSheet(
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f"""QComboBox {{
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color : {hcolor('gunmetal')};
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font-size : {self._font_size}px;
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}}
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"""
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)
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select.setSizeAdjustPolicy(QComboBox.AdjustToContents)
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select.set_items(values)
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self.setSizePolicy(
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QSizePolicy.Fixed,
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QSizePolicy.Fixed,
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)
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view = select.view()
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view.setUniformItemSizes(True)
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# TODO: this doesn't seem to work for the currently selected item?
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select.setItemDelegate(FontScaledDelegate(self))
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# compute maximum item size so that the weird
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# "style item delegate" thing can then specify
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# that size on each item...
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values.sort()
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br = _font.boundingRect(str(values[-1]))
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_, h = br.width(), br.height()
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icon_size = round(h * 0.75)
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select.setIconSize(QSize(icon_size, icon_size))
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# TODO: something better then this monkey patch
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# view._max_item_size = w, h
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# limit to 6 items?
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view.setMaximumHeight(6*h)
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# one entry in view
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select.setMinimumHeight(h)
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select.show()
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self.form.addRow(label, select)
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self.fields[key] = select
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return select
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@ -669,7 +699,6 @@ def mk_order_pane_layout(
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) -> FieldsForm:
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font_size: int = _font.px_size - 1
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accounts = config.load_accounts()
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# TODO: maybe just allocate the whole fields form here
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# and expect an async ctx entry?
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@ -679,7 +708,7 @@ def mk_order_pane_layout(
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'account': {
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'label': '**account**:',
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'type': 'select',
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'default_value': accounts.keys(),
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'default_value': ['paper'],
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},
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'size_unit': {
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'label': '**allocate**:',
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@ -721,7 +750,6 @@ def mk_order_pane_layout(
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form,
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pane_vbox=vbox,
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label_font_size=font_size,
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)
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# TODO: would be nice to have some better way of reffing these over
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# monkey patching...
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