Send ASCII chars from USB serial to selected widget (#1708)

* Initial commit for keyboard emulation
* Added on_keyboard to some widgets
* TextEdit partly
* Multi key send at once
* Frequency control support
* Fix encoder emulation
* Add keyboard to geomap
* More widgets

firmware/common/ui.hpp

@@ -371,6 +371,7 @@ enum class KeyEvent : uint8_t {
 };
 
 using EncoderEvent = int32_t;
+using KeyboardEvent = uint8_t;
 
 struct TouchEvent {
     enum class Type : uint32_t {

firmware/common/ui_widget.cpp

@@ -172,6 +172,10 @@ bool Widget::on_touch(const TouchEvent event) {
     (void)event;
     return false;
 }
+bool Widget::on_keyboard(const KeyboardEvent event) {
+    (void)event;
+    return false;
+}
 
 const std::vector<Widget*>& Widget::children() const {
     return no_children;
@@ -853,6 +857,11 @@ bool Checkbox::on_key(const KeyEvent key) {
     return false;
 }
 
+bool Checkbox::on_keyboard(const KeyboardEvent event) {
+    if (event == 10 || event == 32) return set_value(not value_);
+    return false;
+}
+
 bool Checkbox::on_touch(const TouchEvent event) {
     switch (event.type) {
         case TouchEvent::Type::Start:
@@ -944,6 +953,16 @@ bool Button::on_key(const KeyEvent key) {
     return false;
 }
 
+bool Button::on_keyboard(const KeyboardEvent event) {
+    if (event == 10 || event == 32) {
+        if (on_select) {
+            on_select(*this);
+            return true;
+        }
+    }
+    return false;
+}
+
 bool Button::on_touch(const TouchEvent event) {
     switch (event.type) {
         case TouchEvent::Type::Start:
@@ -1080,6 +1099,16 @@ bool ButtonWithEncoder::on_key(const KeyEvent key) {
     return false;
 }
 
+bool ButtonWithEncoder::on_keyboard(const KeyboardEvent key) {
+    if (key == 32 || key == 10) {
+        if (on_select) {
+            on_select(*this);
+            return true;
+        }
+    }
+    return false;
+}
+
 bool ButtonWithEncoder::on_touch(const TouchEvent event) {
     switch (event.type) {
         case TouchEvent::Type::Start:
@@ -1274,6 +1303,16 @@ bool NewButton::on_key(const KeyEvent key) {
     return false;
 }
 
+bool NewButton::on_keyboard(const KeyboardEvent key) {
+    if (key == 32 || key == 10) {
+        if (on_select) {
+            on_select();
+            return true;
+        }
+    }
+    return false;
+}
+
 bool NewButton::on_touch(const TouchEvent event) {
     switch (event.type) {
         case TouchEvent::Type::Start:
@@ -1371,6 +1410,16 @@ bool ImageButton::on_key(const KeyEvent key) {
     return false;
 }
 
+bool ImageButton::on_keyboard(const KeyboardEvent key) {
+    if (key == 32 || key == 10) {
+        if (on_select) {
+            on_select(*this);
+            return true;
+        }
+    }
+    return false;
+}
+
 bool ImageButton::on_touch(const TouchEvent event) {
     switch (event.type) {
         case TouchEvent::Type::Start:
@@ -1537,6 +1586,12 @@ bool ImageOptionsField::on_encoder(const EncoderEvent delta) {
     return true;
 }
 
+bool ImageOptionsField::on_keyboard(const KeyboardEvent key) {
+    if (key == '+' || key == ' ' || key == 10) return on_encoder(1);
+    if (key == '-' || key == 8) return on_encoder(-1);
+    return false;
+}
+
 bool ImageOptionsField::on_touch(const TouchEvent event) {
     if (event.type == TouchEvent::Type::Start) {
         focus();
@@ -1653,6 +1708,11 @@ bool OptionsField::on_encoder(const EncoderEvent delta) {
     set_selected_index(new_value);
     return true;
 }
+bool OptionsField::on_keyboard(const KeyboardEvent key) {
+    if (key == '+' || key == ' ' || key == 10) return on_encoder(1);
+    if (key == '-' || key == 8) return on_encoder(-1);
+    return false;
+}
 
 bool OptionsField::on_touch(const TouchEvent event) {
     if (event.type == TouchEvent::Type::Start) {
@@ -1772,6 +1832,19 @@ bool TextEdit::on_key(const KeyEvent key) {
     return true;
 }
 
+bool TextEdit::on_keyboard(const KeyboardEvent key) {
+    // if ascii printable
+    if (key >= 0x20 && key <= 0x7e) {
+        char_add(key);
+        return true;
+    }
+    if (key == 8) {
+        char_delete();
+        return true;
+    }
+    return false;
+}
+
 bool TextEdit::on_encoder(const EncoderEvent delta) {
     int32_t new_pos = cursor_pos_ + delta;
 
@@ -1928,6 +2001,22 @@ bool NumberField::on_encoder(const EncoderEvent delta) {
     return true;
 }
 
+bool NumberField::on_keyboard(const KeyboardEvent key) {
+    if (key == 10) {
+        if (on_select) {
+            on_select(*this);
+            return true;
+        }
+    }
+    if (key == '+' || key == ' ') {
+        return on_encoder(1);
+    }
+    if (key == '-' || key == 8) {
+        return on_encoder(-1);
+    }
+    return false;
+}
+
 bool NumberField::on_touch(const TouchEvent event) {
     if (event.type == TouchEvent::Type::Start) {
         focus();

firmware/common/ui_widget.hpp

@@ -101,6 +101,7 @@ class Widget {
     virtual bool on_key(const KeyEvent event);
     virtual bool on_encoder(const EncoderEvent event);
     virtual bool on_touch(const TouchEvent event);
+    virtual bool on_keyboard(const KeyboardEvent event);
     virtual const std::vector<Widget*>& children() const;
 
     virtual Context& context() const;
@@ -382,6 +383,7 @@ class Checkbox : public Widget {
     void paint(Painter& painter) override;
 
     bool on_key(const KeyEvent key) override;
+    bool on_keyboard(const KeyboardEvent key) override;
     bool on_touch(const TouchEvent event) override;
 
    private:
@@ -418,6 +420,7 @@ class Button : public Widget {
     void on_focus() override;
     bool on_key(const KeyEvent key) override;
     bool on_touch(const TouchEvent event) override;
+    bool on_keyboard(const KeyboardEvent event) override;
 
    private:
     std::string text_;
@@ -456,6 +459,7 @@ class ButtonWithEncoder : public Widget {
     bool on_key(const KeyEvent key) override;
     bool on_touch(const TouchEvent event) override;
     bool on_encoder(const EncoderEvent delta) override;
+    bool on_keyboard(const KeyboardEvent event) override;
 
    private:
     std::string text_;
@@ -490,6 +494,7 @@ class NewButton : public Widget {
     void on_focus() override;
     bool on_key(const KeyEvent key) override;
     bool on_touch(const TouchEvent event) override;
+    bool on_keyboard(const KeyboardEvent event) override;
 
     void paint(Painter& painter) override;
 
@@ -544,6 +549,7 @@ class ImageButton : public Image {
 
     bool on_key(const KeyEvent key) override;
     bool on_touch(const TouchEvent event) override;
+    bool on_keyboard(const KeyboardEvent event) override;
 };
 
 /* A button that toggles between two images when set. */
@@ -621,6 +627,7 @@ class ImageOptionsField : public Widget {
     void on_focus() override;
     bool on_encoder(const EncoderEvent delta) override;
     bool on_touch(const TouchEvent event) override;
+    bool on_keyboard(const KeyboardEvent event) override;
 
    private:
     options_t options;
@@ -658,6 +665,7 @@ class OptionsField : public Widget {
     void on_focus() override;
     bool on_encoder(const EncoderEvent delta) override;
     bool on_touch(const TouchEvent event) override;
+    bool on_keyboard(const KeyboardEvent event) override;
 
    private:
     const size_t length_;
@@ -702,6 +710,7 @@ class TextEdit : public Widget {
     bool on_key(const KeyEvent key) override;
     bool on_encoder(const EncoderEvent delta) override;
     bool on_touch(const TouchEvent event) override;
+    bool on_keyboard(const KeyboardEvent event) override;
 
     void on_focus() override;
     void on_blur() override;
@@ -763,6 +772,7 @@ class NumberField : public Widget {
     bool on_key(const KeyEvent key) override;
     bool on_encoder(const EncoderEvent delta) override;
     bool on_touch(const TouchEvent event) override;
+    bool on_keyboard(const KeyboardEvent event) override;
 
    private:
     range_t range;