UI fixes

The keyboard now has proper backspace and special characters

ui/kivy.py

@@ -140,14 +140,14 @@ class NumpadPopup(Popup):
             "9",
             "," if is_float else "C",
             "0",
-            "⌫",
+            "<-",
         ]
 
         for btn_text in buttons:
             btn = RoundedButton(
                 text=btn_text,
                 btn_color=[0.15, 0.15, 0.17, 1]
-                if btn_text in ["C", "⌫", ","]
+                if btn_text in ["C", "<-", ","]
                 else [0.0, 0.65, 0.57, 1],
             )
             btn.bind(on_release=self.on_key_press)
@@ -178,7 +178,7 @@ class NumpadPopup(Popup):
 
     def on_key_press(self, instance):
         key = instance.text
-        if key == "⌫":
+        if key == "<-":
             self.entered_text = self.entered_text[:-1]
         elif key == "C":
             self.entered_text = ""
@@ -211,6 +211,8 @@ class KeyboardPopup(Popup):
         self.is_password = is_password
         self.on_submit = on_submit
         self.entered_text = ""
+        self.is_shift = False
+        self.is_symbols = False
 
         content = BoxLayout(orientation="vertical", padding=15, spacing=15)
 
@@ -225,29 +227,9 @@ class KeyboardPopup(Popup):
         self.display.bind(size=self.display.setter("text_size"))
         content.add_widget(self.display)
 
-        kbd_layout = BoxLayout(orientation="vertical", spacing=5, size_hint_y=0.6)
-
-        rows = [
-            ["1", "2", "3", "4", "5", "6", "7", "8", "9", "0"],
-            ["q", "w", "e", "r", "t", "z", "u", "i", "o", "p"],
-            ["a", "s", "d", "f", "g", "h", "j", "k", "l"],
-            ["y", "x", "c", "v", "b", "n", "m", "⌫", "C"],
-        ]
-
-        for row in rows:
-            row_box = BoxLayout(orientation="horizontal", spacing=5)
-            for char in row:
-                btn = RoundedButton(
-                    text=char,
-                    btn_color=[0.15, 0.15, 0.17, 1]
-                    if char in ["C", "⌫"]
-                    else [0.0, 0.65, 0.57, 1],
-                )
-                btn.bind(on_release=self.on_key_press)
-                row_box.add_widget(btn)
-            kbd_layout.add_widget(row_box)
-
-        content.add_widget(kbd_layout)
+        self.kbd_layout = BoxLayout(orientation="vertical", spacing=5, size_hint_y=0.6)
+        self.build_keyboard()
+        content.add_widget(self.kbd_layout)
 
         actions = BoxLayout(orientation="horizontal", spacing=10, size_hint_y=0.25)
         ok_btn = RoundedButton(text="OK", btn_color=[0.0, 0.65, 0.57, 1])
@@ -260,7 +242,7 @@ class KeyboardPopup(Popup):
         super(KeyboardPopup, self).__init__(
             title=title,
             content=content,
-            size_hint=(0.95, 0.8),
+            size_hint=(0.95, 0.85),
             title_align="center",
             title_size="18sp",
             background_color=[0.08, 0.08, 0.09, 0.95],
@@ -270,12 +252,77 @@ class KeyboardPopup(Popup):
         ok_btn.bind(on_release=self.submit)
         cancel_btn.bind(on_release=self.dismiss)
 
+    def build_keyboard(self):
+        self.kbd_layout.clear_widgets()
+
+        if self.is_symbols:
+            rows = [
+                ["1", "2", "3", "4", "5", "6", "7", "8", "9", "0"],
+                ["+", "-", "*", "/", "=", "%", "<", ">", "[", "]"],
+                ["@", "#", "$", "&", "(", ")", "_", "\"", "'", ";"],
+                ["ABC", "?", "!", ",", ".", ":", "\\", "<-", "C"],
+                ["Leertaste"]
+            ]
+        else:
+            if self.is_shift:
+                rows = [
+                    ["1", "2", "3", "4", "5", "6", "7", "8", "9", "0"],
+                    ["Q", "W", "E", "R", "T", "Z", "U", "I", "O", "P"],
+                    ["A", "S", "D", "F", "G", "H", "J", "K", "L"],
+                    ["Shift", "Y", "X", "C", "V", "B", "N", "M", "<-", "C"],
+                    ["Sym", "Leertaste", "-", "_", "."]
+                ]
+            else:
+                rows = [
+                    ["1", "2", "3", "4", "5", "6", "7", "8", "9", "0"],
+                    ["q", "w", "e", "r", "t", "z", "u", "i", "o", "p"],
+                    ["a", "s", "d", "f", "g", "h", "j", "k", "l"],
+                    ["shift", "y", "x", "c", "v", "b", "n", "m", "<-", "C"],
+                    ["Sym", "Leertaste", "-", "_", "."]
+                ]
+
+        for row in rows:
+            row_box = BoxLayout(orientation="horizontal", spacing=5)
+            for char in row:
+                if char in ["C", "<-", "shift", "Shift", "Sym", "ABC", "Leertaste"]:
+                    btn_color = [0.25, 0.25, 0.28, 1]
+                else:
+                    btn_color = [0.0, 0.65, 0.57, 1]
+
+                if (char == "shift" or char == "Shift") and self.is_shift:
+                    btn_color = [0.0, 0.45, 0.4, 1]
+                elif char == "Sym" and self.is_symbols:
+                    btn_color = [0.0, 0.45, 0.4, 1]
+
+                btn = RoundedButton(
+                    text=char,
+                    btn_color=btn_color,
+                    size_hint_x=2.5 if char == "Leertaste" else 1.0
+                )
+                btn.bind(on_release=self.on_key_press)
+                row_box.add_widget(btn)
+            self.kbd_layout.add_widget(row_box)
+
     def on_key_press(self, instance):
         key = instance.text
-        if key == "⌫":
+        if key == "<-":
             self.entered_text = self.entered_text[:-1]
         elif key == "C":
             self.entered_text = ""
+        elif key in ["shift", "Shift"]:
+            self.is_shift = not self.is_shift
+            self.build_keyboard()
+            return
+        elif key == "Sym":
+            self.is_symbols = True
+            self.build_keyboard()
+            return
+        elif key == "ABC":
+            self.is_symbols = False
+            self.build_keyboard()
+            return
+        elif key == "Leertaste":
+            self.entered_text += " "
         else:
             self.entered_text += key
         self.update_display()