Changed settings of memory widget and bar

for a reasonable balance on how they look on Windows and Mac

qt/applications/workbench/workbench/plugins/memorywidget/memoryview.py

@@ -8,6 +8,7 @@
 #
 #
 from qtpy.QtWidgets import QWidget, QProgressBar
+from qtpy.QtCore import Qt
 
 NORMAL_STYLE = """
 QProgressBar::chunk {
@@ -36,6 +37,7 @@ class MemoryView(QWidget):
 
         self.critical = 90
         self.memory_bar = QProgressBar(self)
+        self.memory_bar.setAlignment(Qt.AlignCenter)
 
     def set_bar_color(self, current_value, new_value):
         if from_normal_to_critical(self.critical, current_value, new_value):

qt/applications/workbench/workbench/plugins/memorywidget/memorywidget.py

@@ -22,13 +22,15 @@ class MemoryWidget(PluginWidget):
         self.presenter = MemoryPresenter(self.view)
 
         layout = QVBoxLayout()
+        self.view.memory_bar.setMinimumHeight(30)
         layout.addWidget(self.view.memory_bar)
 
         self.setLayout(layout)
         self.setWindowTitle(self.get_plugin_title())
-        # 70 is chosen as a good value after testing
-        # how it looks for different values
-        self.setMaximumHeight(70)
+        # The following are chosen as a good value after
+        # testing how it looks for different values
+        self.setMinimumHeight(50)
+        self.setMaximumHeight(55)
 
     # ----------------- Plugin API --------------------