def _get_scope_highlight_color(self):
"""
Gets the base scope highlight color (derivated from the editor
background)
For lighter themes will be a darker color,
and for darker ones will be a lighter color
"""
color = self.editor.sideareas_color
if color.lightness() < 128:
color = drift_color(color, 130)
else:
color = drift_color(color, 105)
return color
def _add_fold_decoration(self, block, region):
"""
Add fold decorations (boxes arround a folded block in the editor
widget).
"""
draw_order = DRAW_ORDERS.get('codefolding')
deco = TextDecoration(block, draw_order=draw_order)
deco.signals.clicked.connect(self._on_fold_deco_clicked)
deco.tooltip = region.text(max_lines=25)
deco.block = block
deco.select_line()
deco.set_outline(drift_color(self._get_scope_highlight_color(), 110))
deco.set_background(self._get_scope_highlight_color())
deco.set_foreground(QColor('#808080'))
self._block_decos.append(deco)
self.editor.decorations.add(deco)
def refresh_decorations(self, force=False):
"""
Refresh decorations colors. This function is called by the syntax
highlighter when the style changed so that we may update our
decorations colors according to the new style.
"""
cursor = self.editor.textCursor()
if (self._prev_cursor is None or force
or self._prev_cursor.blockNumber() != cursor.blockNumber()):
for deco in self._block_decos:
self.editor.decorations.remove(deco)
for deco in self._block_decos:
deco.set_outline(
drift_color(self._get_scope_highlight_color(), 110))
deco.set_background(self._get_scope_highlight_color())
self.editor.decorations.add(deco)
self._prev_cursor = cursor
def _add_fold_decoration(self, block, end_line):
"""
Add fold decorations (boxes arround a folded block in the editor
widget).
"""
start_line = block.blockNumber()
text = self.editor.get_text_region(start_line + 1, end_line)
draw_order = DRAW_ORDERS.get('codefolding')
deco = TextDecoration(block, draw_order=draw_order)
deco.signals.clicked.connect(self._on_fold_deco_clicked)
deco.tooltip = text
deco.block = block
deco.select_line()
deco.set_outline(drift_color(self._get_scope_highlight_color(), 110))
deco.set_background(self._get_scope_highlight_color())
deco.set_foreground(QColor('#808080'))
self._block_decos[start_line] = deco
self.editor.decorations.add(deco)
