kivy wizard: use own soft keyboard

gui/kivy/main_window.py

@@ -230,11 +230,11 @@ class ElectrumWindow(App):
 
     def set_URI(self, url):
         try:
-            url = electrum.util.parse_URI(url, self.on_pr)
+            d = electrum.util.parse_URI(url, self.on_pr)
         except:
             self.show_info(_("Not a Bitcoin URI") + ':\n', url)
             return
-        self.send_screen.set_URI(url)
+        self.send_screen.set_URI(d)
 
     def on_qr(self, data):
         if data.startswith('bitcoin:'):

gui/kivy/uix/dialogs/create_restore.py

@@ -11,6 +11,7 @@ from kivy.clock import Clock
 from kivy.lang import Builder
 from kivy.properties import ObjectProperty, StringProperty, OptionProperty
 from kivy.core.window import Window
+from kivy.uix.button import Button
 
 from electrum_gui.kivy.uix.dialogs import EventsDialog
 from electrum_gui.kivy.i18n import _
@@ -60,62 +61,49 @@ Builder.load_string('''
     BoxLayout:
         orientation: 'vertical' if self.width < self.height else 'horizontal'
         padding:
-            min(dp(42), self.width/8), min(dp(60), self.height/9.7),\
+            min(dp(42), self.width/16), min(dp(60), self.height/16),\
-            min(dp(42), self.width/8), min(dp(72), self.height/8)
+            min(dp(42), self.width/16), min(dp(72), self.height/16)
         spacing: '27dp'
         GridLayout:
             id: grid_logo
             cols: 1
             pos_hint: {'center_y': .5}
-            size_hint: 1, .42
+            size_hint: 1, None
             #height: self.minimum_height
-            Image:
-                id: logo_img
-                mipmap: True
-                allow_stretch: True
-                size_hint: 1, None
-                height: '110dp'
-                source: 'atlas://gui/kivy/theming/light/electrum_icon640'
-            Widget:
-                size_hint: 1, None
-                height: 0 if stepper.opacity else dp(15)
             Label:
                 color: root.text_color
-                opacity: 0 if stepper.opacity else 1
                 text: 'ELECTRUM'
                 size_hint: 1, None
                 height: self.texture_size[1] if self.opacity else 0
                 font_size: '33sp'
                 font_name: 'gui/kivy/data/fonts/tron/Tr2n.ttf'
-            Image:
-                id: stepper
-                allow_stretch: True
-                opacity: 0
-                source: 'atlas://gui/kivy/theming/light/stepper_left'
-                size_hint: 1, None
-                height: grid_logo.height/2.5 if self.opacity else 0
-        Widget:
-            size_hint: None, None
-            size: '5dp', '5dp'
         GridLayout:
             cols: 1
             id: crcontent
-            spacing: '13dp'
+            spacing: '1dp'
 
 
 <CreateRestoreDialog>
+    Image:
+        id: logo_img
+        mipmap: True
+        allow_stretch: True
+        size_hint: 1, None
+        height: '110dp'
+        source: 'atlas://gui/kivy/theming/light/electrum_icon640'
+    Widget:
+        size_hint: 1, 1
     Label:
         color: root.text_color
         size_hint: 1, None
         text_size: self.width, None
         height: self.texture_size[1]
         text:
-            _("Wallet file not found!!")+"\\n\\n" +\
+            _("Wallet file not found")+"\\n\\n" +\
             _("Do you want to create a new wallet ")+\
             _("or restore an existing one?")
     Widget
-        size_hint: 1, None
+        size_hint: 1, 1
-        height: dp(15)
     GridLayout:
         id: grid
         orientation: 'vertical'
@@ -133,7 +121,23 @@ Builder.load_string('''
             root: root
 
 
+<MButton@Button>:
+    size_hint: 1, None
+    height: '33dp'
+    on_release:
+        self.parent.update_amount(self.text)
+
+<WordButton@Button>:
+    size_hint: None, None
+    text_size: None, self.height
+    width: self.texture_size[0]
+    height: '30dp'
+    on_release:
+        self.parent.new_word(self.text)
+
+
 <RestoreSeedDialog>
+    word: ''
     Label:
         color: root.text_color
         size_hint: 1, None
@@ -147,13 +151,20 @@ Builder.load_string('''
         spacing: '12dp'
         size_hint: 1, None
         height: self.minimum_height
-        WizardTextInput:
+        Button:
+            border: 4, 4, 4, 4
+            halign: 'justify'
+            valign: 'middle'
+            font_size: self.width/15
+            text_size: self.width - dp(24), self.height - dp(12)
+            color: .1, .1, .1, 1
+            background_normal: 'atlas://gui/kivy/theming/light/white_bg_round_top'
+            background_down: self.background_normal
             id: text_input_seed
-            size_hint: 1, None
+            size_hint_y: None
-            height: '110dp'
+            height: dp(100)
-            hint_text:
+            text: ''
-                _('Enter your seedphrase')
+            on_text: Clock.schedule_once(root.on_text)
-            on_text: root._trigger_check_seed()
         Label:
             font_size: '12sp'
             text_size: self.width, None
@@ -165,6 +176,80 @@ Builder.load_string('''
             on_ref_press:
                 import webbrowser
                 webbrowser.open('https://electrum.org/faq.html#seed')
+
+        BoxLayout:
+            id: suggestions
+            height: '35dp'
+            size_hint: 1, None
+            new_word: root.on_word
+
+        BoxLayout:
+            update_amount: root.update_text
+            size_hint: 1, None
+            height: '30dp'
+            MButton:
+                text: 'Q'
+            MButton:
+                text: 'W'
+            MButton:
+                text: 'E'
+            MButton:
+                text: 'R'
+            MButton:
+                text: 'T'
+            MButton:
+                text: 'Y'
+            MButton:
+                text: 'U'
+            MButton:
+                text: 'I'
+            MButton:
+                text: 'O'
+            MButton:
+                text: 'P'
+        BoxLayout:
+            update_amount: root.update_text
+            size_hint: 1, None
+            height: '30dp'
+            MButton:
+                text: 'A'
+            MButton:
+                text: 'S'
+            MButton:
+                text: 'D'
+            MButton:
+                text: 'F'
+            MButton:
+                text: 'G'
+            MButton:
+                text: 'H'
+            MButton:
+                text: 'J'
+            MButton:
+                text: 'K'
+            MButton:
+                text: 'L'
+        BoxLayout:
+            update_amount: root.update_text
+            size_hint: 1, None
+            height: '30dp'
+            MButton:
+                text: 'Z'
+            MButton:
+                text: 'X'
+            MButton:
+                text: 'C'
+            MButton:
+                text: 'V'
+            MButton:
+                text: 'B'
+            MButton:
+                text: 'N'
+            MButton:
+                text: 'M'
+            MButton:
+                text: '<'
+
     GridLayout:
         rows: 1
         spacing: '12dp'
@@ -182,6 +267,7 @@ Builder.load_string('''
             id: next
             text: _('Next')
             root: root
+            disabled: True
 
 
 <ShowSeedDialog>
@@ -206,8 +292,6 @@ Builder.load_string('''
             valign: 'middle'
             font_size: self.width/15
             text_size: self.width - dp(24), self.height - dp(12)
-            #size_hint: 1, None
-            #height: self.texture_size[1] + dp(24)
             color: .1, .1, .1, 1
             background_normal: 'atlas://gui/kivy/theming/light/white_bg_round_top'
             background_down: self.background_normal
@@ -215,7 +299,6 @@ Builder.load_string('''
         Label:
             rows: 1
             size_hint: 1, .7
-            id: but_seed
             border: 4, 4, 4, 4
             halign: 'justify'
             valign: 'middle'
@@ -250,7 +333,6 @@ class WizardDialog(EventsDialog):
         Window.bind(size=_trigger_size_dialog,
                     rotation=_trigger_size_dialog)
         _trigger_size_dialog()
-        Window.softinput_mode = 'pan'
 
     def _size_dialog(self, dt):
         app = App.get_running_app()
@@ -273,10 +355,7 @@ class WizardDialog(EventsDialog):
     def on_dismiss(self):
         app = App.get_running_app()
         if app.wallet is None and self._on_release is not None:
-            print "on dismiss: stopping app"
             app.stop()
-        else:
-            Window.softinput_mode = 'below_target'
 
 
 class CreateRestoreDialog(WizardDialog):
@@ -296,12 +375,12 @@ class ShowSeedDialog(WizardDialog):
     def on_parent(self, instance, value):
         if value:
             app = App.get_running_app()
-            stepper = self.ids.stepper
-            stepper.opacity = 1
-            stepper.source = 'atlas://gui/kivy/theming/light/stepper_full'
             self._back = _back = partial(self.ids.back.dispatch, 'on_release')
 
 
+class WordButton(Button):
+    pass
+
 class RestoreSeedDialog(WizardDialog):
 
     message = StringProperty('')
@@ -309,10 +388,34 @@ class RestoreSeedDialog(WizardDialog):
     def __init__(self, **kwargs):
         super(RestoreSeedDialog, self).__init__(**kwargs)
         self._test = kwargs['test']
-        self._trigger_check_seed = Clock.create_trigger(self.check_seed)
+        from electrum.mnemonic import Mnemonic
+        self.mnemonic = Mnemonic('en')
 
-    def check_seed(self, dt):
+    def on_text(self, dt):
-        self.ids.next.disabled = not bool(self._test(self.get_seed_text()))
+        text = self.get_seed_text()
+        self.ids.next.disabled = not bool(self._test(text))
+
+        if not text:
+            last_word = ''
+        elif text[-1] == ' ':
+            last_word = ''
+        else:
+            last_word = text.split(' ')[-1]
+
+        self.ids.suggestions.clear_widgets()
+        suggestions = [x for x in self.mnemonic.get_suggestions(last_word)]
+        if suggestions and len(suggestions) < 10:
+            for w in suggestions:
+                b = WordButton(text=w)
+                self.ids.suggestions.add_widget(b)
+
+    def on_word(self, w):
+        text = self.get_seed_text()
+        words = text.split(' ')
+        words[-1] = w
+        text = ' '.join(words)
+        self.ids.text_input_seed.text = text + ' '
+        self.ids.suggestions.clear_widgets()
 
     def get_seed_text(self):
         ti = self.ids.text_input_seed
@@ -320,6 +423,15 @@ class RestoreSeedDialog(WizardDialog):
         text = ' '.join(text.split())
         return text
 
+    def update_text(self, c):
+        c = c.lower()
+        text = self.ids.text_input_seed.text
+        if c == '<':
+            text = text[:-1]
+        else:
+            text += c
+        self.ids.text_input_seed.text = text
+
     def scan_seed(self):
         def on_complete(text):
             self.ids.text_input_seed.text = text
@@ -330,15 +442,10 @@ class RestoreSeedDialog(WizardDialog):
         if value:
             tis = self.ids.text_input_seed
             tis.focus = True
-            tis._keyboard.bind(on_key_down=self.on_key_down)
+            #tis._keyboard.bind(on_key_down=self.on_key_down)
-            stepper = self.ids.stepper
-            stepper.opacity = 1
-            stepper.source = ('atlas://gui/kivy/theming'
-                              '/light/stepper_restore_seed')
             self._back = _back = partial(self.ids.back.dispatch,
                                          'on_release')
             app = App.get_running_app()
-            #app.navigation_higherarchy.append(_back)
 
     def on_key_down(self, keyboard, keycode, key, modifiers):
         if keycode[0] in (13, 271):
@@ -359,7 +466,7 @@ class RestoreSeedDialog(WizardDialog):
             tis.focus = False
 
     def close(self):
-        self._remove_keyboard()
+        #self._remove_keyboard()
         app = App.get_running_app()
         #if self._back in app.navigation_higherarchy:
         #    app.navigation_higherarchy.pop()

lib/mnemonic.py

@@ -132,6 +132,11 @@ class Mnemonic(object):
             words.append(self.wordlist[x])
         return ' '.join(words)
 
+    def get_suggestions(self, prefix):
+        for w in self.wordlist:
+            if w.startswith(prefix) and w!=prefix:
+                yield w
+
     def mnemonic_decode(self, seed):
         n = len(self.wordlist)
         words = seed.split()