isolate logic for square ui buttons and fix layer selector

src/main/python/constants.py

@@ -3,7 +3,7 @@
 KEY_SIZE_RATIO = 2.667
 KEY_SPACING_RATIO = 0.267
 
-KEYCODE_BTN_RATIO = 3
+KEYCODE_BTN_RATIO = 3.333
 
 WINDOW_WIDTH, WINDOW_HEIGHT = 1024, 768
 

src/main/python/keyboard_container.py

@@ -9,6 +9,7 @@ from keyboard_widget import KeyboardWidget, EncoderWidget
 from keycodes import keycode_label, keycode_tooltip, keycode_is_mask, find_keycode
 from constants import LAYER_BTN_STYLE, ACTIVE_LAYER_BTN_STYLE
 from keymaps import KEYMAPS
+from square_button import SquareButton
 from util import tr
 
 
@@ -54,8 +55,8 @@ class KeyboardContainer(QWidget):
 
         # create new layer labels
         for x in range(self.keyboard.layers):
-            btn = QPushButton(str(x))
-            btn.setFixedSize(25, 25)
+            btn = SquareButton(str(x))
+            btn.setRelSize(1.667)
             btn.setCheckable(True)
             btn.clicked.connect(lambda state, idx=x: self.switch_layer(idx))
             self.layout_layers.addWidget(btn)

src/main/python/square_button.py

@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+from PyQt5.QtCore import QSize
+from PyQt5.QtWidgets import QPushButton
+
+class SquareButton(QPushButton):
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+
+        self.scale = 1.2
+
+    def setRelSize(self, ratio):
+        self.scale = ratio
+        self.updateGeometry()
+
+    def sizeHint(self):
+        size = int(round(self.fontMetrics().height() * self.scale))
+        return QSize(size, size)

src/main/python/tabbed_keycodes.py

@@ -9,6 +9,7 @@ from flowlayout import FlowLayout
 from keycodes import keycode_tooltip, KEYCODES_BASIC, KEYCODES_ISO, KEYCODES_MACRO, KEYCODES_LAYERS, KEYCODES_QUANTUM, \
     KEYCODES_BACKLIGHT, KEYCODES_MEDIA, KEYCODES_SPECIAL
 from keymaps import KEYMAPS
+from square_button import SquareButton
 from util import tr
 
 
@@ -65,7 +66,8 @@ class TabbedKeycodes(QTabWidget):
         buttons = []
 
         for keycode in keycodes:
-            btn = KeycodeButton()
+            btn = SquareButton()
+            btn.setRelSize(KEYCODE_BTN_RATIO)
             btn.setToolTip(keycode_tooltip(keycode.code))
             btn.clicked.connect(lambda st, k=keycode: self.keycode_changed.emit(k.code))
             btn.keycode = keycode
@@ -99,10 +101,3 @@ class TabbedKeycodes(QTabWidget):
                 label = widget.keycode.label
                 widget.setStyleSheet("QPushButton {}")
             widget.setText(label.replace("&", "&&"))
-
-
-class KeycodeButton(QPushButton):
-
-    def sizeHint(self):
-        size = KEYCODE_BTN_RATIO * self.fontMetrics().height()
-        return QSize(size, size)