Merge pull request #6300 from SomberNight/202006_qt_statusbarbutton

qt StatusBarButton: use QToolButton instead of QPushButton

electrum/gui/qt/main_window.py

@@ -46,7 +46,7 @@ from PyQt5.QtWidgets import (QMessageBox, QComboBox, QSystemTrayIcon, QTabWidget
                              QHBoxLayout, QPushButton, QScrollArea, QTextEdit,
                              QShortcut, QMainWindow, QCompleter, QInputDialog,
                              QWidget, QSizePolicy, QStatusBar, QToolTip, QDialog,
-                             QMenu, QAction, QStackedWidget)
+                             QMenu, QAction, QStackedWidget, QToolButton)
 
 import electrum
 from electrum import (keystore, ecc, constants, util, bitcoin, commands,
@@ -104,11 +104,16 @@ if TYPE_CHECKING:
 
 LN_NUM_PAYMENT_ATTEMPTS = 10
 
-class StatusBarButton(QPushButton):
+
+class StatusBarButton(QToolButton):
+    # note: this class has a custom stylesheet applied in stylesheet_patcher.py
     def __init__(self, icon, tooltip, func):
-        QPushButton.__init__(self, icon, '')
+        QToolButton.__init__(self)
+        self.setText('')
+        self.setIcon(icon)
         self.setToolTip(tooltip)
-        self.setFlat(True)
+        self.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
+        self.setAutoRaise(True)
         self.setMaximumWidth(25)
         self.clicked.connect(self.onPress)
         self.func = func
@@ -2239,7 +2244,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
             self.lightning_button.setText('')
             self.lightning_button.setToolTip(_("The Lightning Network graph is fully synced."))
         else:
-            self.lightning_button.setMaximumWidth(25 + 4 * char_width_in_lineedit())
+            self.lightning_button.setMaximumWidth(25 + 5 * char_width_in_lineedit())
             self.lightning_button.setText(progress_str)
             self.lightning_button.setToolTip(_("The Lightning Network graph is syncing...\n"
                                                "Payments are more likely to succeed with a more complete graph."))

electrum/gui/qt/stylesheet_patcher.py

@@ -2,17 +2,12 @@
 It reads the current stylesheet, appends our modifications and sets the new stylesheet.
 """
 
-from PyQt5 import QtWidgets
-
+import sys
 
-def patch_qt_stylesheet(use_dark_theme: bool) -> None:
-    if not use_dark_theme:
-        return
+from PyQt5 import QtWidgets
 
-    app = QtWidgets.QApplication.instance()
 
-    style_sheet = app.styleSheet()
-    style_sheet = style_sheet + '''
+CUSTOM_PATCH_FOR_DARK_THEME = '''
 /* PayToEdit text was being clipped */
 QAbstractScrollArea {
     padding: 0px;
@@ -30,4 +25,45 @@ def patch_qt_stylesheet(use_dark_theme: bool) -> None:
     max-height: 30px;
 }
 '''
+
+CUSTOM_PATCH_FOR_DEFAULT_THEME_MACOS = '''
+/* On macOS, main window status bar icons have ugly frame (see #6300) */
+StatusBarButton {
+    background-color: transparent;
+    border: 1px solid transparent;
+    border-radius: 4px;
+    margin: 0px;
+    padding: 2px;
+}
+StatusBarButton:checked {
+  background-color: transparent;
+  border: 1px solid #1464A0;
+}
+StatusBarButton:checked:disabled {
+  border: 1px solid #14506E;
+}
+StatusBarButton:pressed {
+  margin: 1px;
+  background-color: transparent;
+  border: 1px solid #1464A0;
+}
+StatusBarButton:disabled {
+  border: none;
+}
+StatusBarButton:hover {
+  border: 1px solid #148CD2;
+}
+'''
+
+
+def patch_qt_stylesheet(use_dark_theme: bool) -> None:
+    custom_patch = ""
+    if use_dark_theme:
+        custom_patch = CUSTOM_PATCH_FOR_DARK_THEME
+    else:  # default theme (typically light)
+        if sys.platform == 'darwin':
+            custom_patch = CUSTOM_PATCH_FOR_DEFAULT_THEME_MACOS
+
+    app = QtWidgets.QApplication.instance()
+    style_sheet = app.styleSheet() + custom_patch
     app.setStyleSheet(style_sheet)

electrum/gui/qt/util.py

@@ -126,9 +126,10 @@ class HelpLabel(QLabel):
         return QLabel.leaveEvent(self, event)
 
 
-class HelpButton(QPushButton):
+class HelpButton(QToolButton):
     def __init__(self, text):
-        QPushButton.__init__(self, '?')
+        QToolButton.__init__(self)
+        self.setText('?')
         self.help_text = text
         self.setFocusPolicy(Qt.NoFocus)
         self.setFixedWidth(round(2.2 * char_width_in_lineedit()))