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Add command-line argument --no-shadow #343

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Add command-line argument --no-shadow #343

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2 changes: 2 additions & 0 deletions i18n/si/msgs.jaml
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Original file line number Diff line number Diff line change
Expand Up @@ -197,6 +197,8 @@ main.py:
Application level CSS style sheet to use: false
--config: false
Configuration namespace: false
--no-shadow: false
Disable drop shadows in the UI: false
Deprecated: false
--qt: false
'Additional arguments for QApplication.\nDeprecated. ': false
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22 changes: 21 additions & 1 deletion orangecanvas/main.py
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Expand Up @@ -14,7 +14,8 @@
from contextlib import ExitStack, closing

from AnyQt.QtGui import QFont, QColor, QPalette
from AnyQt.QtCore import Qt, QSettings, QTimer, QUrl, QDir
from AnyQt.QtCore import Qt, QSettings, QTimer, QUrl, QDir, QObject, QEvent
from AnyQt.QtWidgets import QWidget

from orangecanvas import localization
from .utils.after_exit import run_after_exit
Expand Down Expand Up @@ -97,6 +98,18 @@ def activate_default_config(self):
# Init config
config.init()

def install_shadow_remover(self):
class ShadowRemover(QObject):
def eventFilter(self, obj, event):
if event.type() == QEvent.Type.Polish:
if isinstance(obj, QWidget) and obj.isWindow():
obj.setWindowFlags(
obj.windowFlags() | Qt.WindowType.NoDropShadowWindowHint)
return super().eventFilter(obj, event)

self.__remover = ShadowRemover()
self.application.installEventFilter(self.__remover)

def show_splash_message(self, message: str, color=QColor()):
"""Display splash screen message"""
splash = self.splash_screen()
Expand Down Expand Up @@ -201,6 +214,8 @@ def run(self, argv: List[str]) -> int:
with ExitStack() as stack:
self.stack = stack
self.setup_application()
if self.options.no_shadow:
self.install_shadow_remover()
stack.callback(self.tear_down_application)
self.setup_sys_redirections()
stack.callback(self.tear_down_sys_redirections)
Expand Down Expand Up @@ -526,6 +541,11 @@ def log_level(value):
type=str, default=None,
)

parser.add_argument(
"--no-shadow", help="Disable drop shadows in the UI",
action="store_true", default=False
)

deprecated = parser.add_argument_group("Deprecated")
deprecated.add_argument(
"--qt", help="Additional arguments for QApplication.\nDeprecated. "
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