auto scroll the name list (#2358)

* auto scroll the name list

* script

* remove uneeded empty line in script

* script

firmware/application/apps/ui_about_simple.cpp

@@ -1,5 +1,8 @@
 #include "ui_about_simple.hpp"
 
+#define ROLL_SPEED_FRAME_PER_LINE 60
+// cuz frame rate of pp screen is probably 60, scroll per sec
+
 namespace ui {
 
 // TODO: Generate this automatically from github
@@ -87,10 +90,42 @@ AboutView::AboutView(NavigationView& nav) {
     }
 }
 
+void AboutView::on_frame_sync() {
+    if (interacted) return;
+
+    if (frame_sync_count++ % ROLL_SPEED_FRAME_PER_LINE == 0) {
+        const auto current = menu_view.highlighted_index();
+        const auto count = menu_view.item_count();
+
+        if (current < count - 1) {
+            menu_view.set_highlighted(current + 1);
+        } else {
+            menu_view.set_highlighted(0);
+            // ^ to go back to the REAL top instead of make the 2 at the top to make the title disappeares
+            menu_view.set_highlighted(2);  // the first line that has human name
+        }
+    }
+}
+
 void AboutView::focus() {
+    button_ok.focus();
+    menu_view.set_highlighted(2);  // the first line that has human name
+}
+
+bool AboutView::on_touch(const TouchEvent) {
+    interacted = true;
+    return false;
+}
+
+bool AboutView::on_key(const KeyEvent) {
+    interacted = true;
+    return false;
+}
+
+bool AboutView::on_encoder(const EncoderEvent) {
+    interacted = true;
     menu_view.focus();
-    // put focus on last text line to make it more obvious that list is scrollable
-    menu_view.set_highlighted(10);
+    return false;
 }
 
 } /* namespace ui */

firmware/application/apps/ui_about_simple.hpp

@@ -14,6 +14,13 @@ class AboutView : public View {
     std::string title() const override { return "About"; };
 
    private:
+    virtual bool on_key(const KeyEvent event);
+    virtual bool on_encoder(const EncoderEvent event);
+    virtual bool on_touch(const TouchEvent event);
+
+    bool interacted{false};
+    uint16_t frame_sync_count{0};
+    void on_frame_sync();
     MenuView menu_view{
         {0, 0, 240, 264},
         true};
@@ -22,6 +29,12 @@ class AboutView : public View {
         {240 / 3, 270, 240 / 3, 24},
         "OK",
     };
+
+    MessageHandlerRegistration message_handler_frame_sync{
+        Message::ID::DisplayFrameSync,
+        [this](const Message* const) {
+            this->on_frame_sync();
+        }};
 };
 }  // namespace ui
 

firmware/tools/generate_ui-about-simple.cpp.py

@@ -27,6 +27,9 @@ import sys
 
 cppheader = """#include "ui_about_simple.hpp"
 
+#define ROLL_SPEED_FRAME_PER_LINE 60
+// cuz frame rate of pp screen is probably 60, scroll per sec
+
 namespace ui {
 
 // Information: a line starting with a '#' will be yellow coloured
@@ -69,10 +72,42 @@ AboutView::AboutView(NavigationView& nav) {
     }
 }
 
+void AboutView::on_frame_sync() {
+    if (interacted) return;
+
+    if (frame_sync_count++ % ROLL_SPEED_FRAME_PER_LINE == 0) {
+        const auto current = menu_view.highlighted_index();
+        const auto count = menu_view.item_count();
+
+        if (current < count - 1) {
+            menu_view.set_highlighted(current + 1);
+        } else {
+            menu_view.set_highlighted(0);
+            // ^ to go back to the REAL top instead of make the 2 at the top to make the title disappeares
+            menu_view.set_highlighted(2);  // the first line that has human name
+        }
+    }
+}
+
 void AboutView::focus() {
+    button_ok.focus();
+    menu_view.set_highlighted(2);  // the first line that has human name
+}
+
+bool AboutView::on_touch(const TouchEvent) {
+    interacted = true;
+    return false;
+}
+
+bool AboutView::on_key(const KeyEvent) {
+    interacted = true;
+    return false;
+}
+
+bool AboutView::on_encoder(const EncoderEvent) {
+    interacted = true;
     menu_view.focus();
-    // put focus on last text line to make it more obvious that list is scrollable
-    menu_view.set_highlighted(10);
+    return false;
 }
 
 } /* namespace ui */