Adding parents to graphs

activity_browser/application.py

@@ -3,7 +3,7 @@
 from logging import getLogger
 
 from qtpy.QtCore import QCoreApplication, QObject, QSysInfo, Qt
-from qtpy.QtWidgets import QApplication
+from qtpy.QtWidgets import QApplication, QStyleFactory
 
 log = getLogger(__name__)
 
@@ -55,3 +55,4 @@ def deleteLater(self):
 QCoreApplication.setAttribute(Qt.AA_ShareOpenGLContexts, True)
 
 application = ABApplication()
+application.setStyle(QStyleFactory.create("fusion"))

activity_browser/layouts/tabs/LCA_results_tabs.py

@@ -893,7 +893,7 @@ def __init__(self, parent, **kwargs):
         )
 
         self.df = None
-        self.plot = ContributionPlot()
+        self.plot = ContributionPlot(self)
         self.table = ContributionTable(self)
         self.contribution_fn = None
         self.has_method, self.has_func = False, False
@@ -1045,7 +1045,7 @@ def update_plot(self):
         # name is already altered by set_filename before update_plot occurs.
         name = self.plot.plot_name
         self.plot.deleteLater()
-        self.plot = ContributionPlot()
+        self.plot = ContributionPlot(self)
         self.pt_layout.insertWidget(idx, self.plot)
         super().update_plot(self.df, unit=self.unit)
         self.plot.plot_name = name

activity_browser/ui/figures.py

@@ -34,6 +34,9 @@ def __init__(self, parent=None):
         self.figure = Figure(constrained_layout=True)
         self.canvas = FigureCanvasQTAgg(self.figure)
         self.canvas.setMinimumHeight(0)
+
+        self.canvas.destroyed.connect(self.check)
+
         self.ax = self.figure.add_subplot(111)  # create an axis
         self.plot_name = "Figure"
 
@@ -46,6 +49,9 @@ def __init__(self, parent=None):
         )
         self.updateGeometry()
 
+    def check(self):
+        print("WHY DELETE")
+
     def plot(self, *args, **kwargs):
         raise NotImplementedError
 
@@ -177,8 +183,8 @@ def plot(self, df: pd.DataFrame, invert_plot: bool = False):
 class ContributionPlot(Plot):
     MAX_LEGEND = 30
 
-    def __init__(self):
-        super().__init__()
+    def __init__(self, parent=None):
+        super().__init__(parent)
         self.plot_name = "Contributions"
 
     def plot(self, df: pd.DataFrame, unit: str = None):