Notifications (#3002)

firmware/common/message.hpp

@@ -154,6 +154,7 @@ class Message {
         MorseTXkey = 96,
         StreamTXConfiguration = 97,
         RTTYData = 98,
+        NotificationData = 99,
         MAX
     };
 
@@ -1793,4 +1794,33 @@ class RTTYDataMessage : public Message {
     static constexpr uint16_t max_len = 490;
 };
 
+class NotificationDataMessage : public Message {
+   public:
+    constexpr NotificationDataMessage(const char* source_app, const char* title, const char* message, uint8_t icon = 0, uint16_t timeout = 10000)
+        : Message{ID::NotificationData},
+          icon(icon),
+          timeout(timeout) {
+        if (source_app) {
+            size_t len = std::min(strlen(source_app), (size_t)19);
+            memcpy(this->source_app, source_app, len);
+            this->source_app[len] = '\0';
+        }
+        if (title) {
+            size_t len = std::min(strlen(title), (size_t)49);
+            memcpy(this->title, title, len);
+            this->title[len] = '\0';
+        }
+        if (message) {
+            size_t len = std::min(strlen(message), (size_t)299);
+            memcpy(this->message, message, len);
+            this->message[len] = '\0';
+        }
+    }
+    char source_app[20]{0};  // source application name, null-terminated, max 19 chars + null
+    char title[50]{0};       // title, null-terminated, max 49 chars + null
+    char message[300]{0};    // message, null-terminated, max 299 chars + null
+    uint8_t icon = 0;
+    uint16_t timeout = 10000;
+};
+
 #endif /*__MESSAGE_H__*/

firmware/common/ui_widget.cpp

@@ -397,18 +397,35 @@ void Text::getWidgetName(std::string& result) {
 void Text::paint(Painter& painter) {
     const auto rect = screen_rect();
     auto s = has_focus() ? style().invert() : style();
-    auto max_len = (unsigned)rect.width() / s.font.char_width();
-    auto text_view = std::string_view{text};
-
     painter.fill_rectangle(rect, s.background);
+    const int char_width = s.font.char_width();
+    const int line_height = s.font.line_height();
+    if (char_width == 0 || line_height == 0) return;
+    const size_t chars_per_line = rect.width() / char_width;
+    if (chars_per_line == 0) return;
+    size_t lines_capacity = rect.height() / line_height;
+    if (lines_capacity == 0) lines_capacity = 1;  // at least one line, even if it overflows vertically
+    auto text_view = std::string_view{text};
+    size_t current_offset = 0;
+    for (size_t line_idx = 0; line_idx < lines_capacity; ++line_idx) {
+        if (current_offset >= text_view.length()) break;
+        size_t chunk_len = std::min(chars_per_line, text_view.length() - current_offset);
+        painter.draw_string(
+            rect.location() + Point(0, line_idx * line_height),
+            s,
+            text_view.substr(current_offset, chunk_len));
+        current_offset += chunk_len;
+    }
+}
 
-    if (text_view.length() > max_len)
-        text_view = text_view.substr(0, max_len);
-
-    painter.draw_string(
-        rect.location(),
-        s,
-        text_view);
+bool Text::on_touch(const TouchEvent event) {
+    if (event.type == TouchEvent::Type::Start) {
+        if (on_select) {
+            on_select(*this);
+            return true;
+        }
+    }
+    return false;
 }
 
 /* Labels ****************************************************************/

firmware/common/ui_widget.hpp

@@ -209,6 +209,7 @@ class Rectangle : public Widget {
 
 class Text : public Widget {
    public:
+    std::function<void(Text&)> on_select{};
     Text()
         : text{""} {
     }
@@ -223,6 +224,8 @@ class Text : public Widget {
     void getAccessibilityText(std::string& result) override;
     void getWidgetName(std::string& result) override;
 
+    bool on_touch(const TouchEvent event) override;
+
    protected:
     // NB: Don't truncate this string. The UI will only render
     // as many characters as will fit in its rectange.