Touch for MenuView and Freqlist (#2829)

* freqman add touch support. solves #1919

* menuview touch support

firmware/application/apps/ui_freqman.hpp

@@ -65,7 +65,7 @@ class FreqManBaseView : public View {
 
     OptionsField options_category{
         {3 * 8, 2},
-        20 /* length */,
+        19 /* length */,
         {}};
 
     FreqManUIList freqlist_view{

firmware/application/ui/ui_freqlist.cpp

@@ -93,6 +93,33 @@ void FreqManUIList::on_blur() {
     set_dirty();
 }
 
+bool FreqManUIList::on_touch(const TouchEvent event) {
+    if (!db_ || db_->empty())
+        return false;
+    if (event.type == TouchEvent::Type::Start) {
+        focus();
+        set_dirty();
+        int16_t rel_y = event.point.y() - screen_rect().top();
+        size_t new_selected = rel_y / char_height;
+        if (new_selected + start_index_ >= db_->entry_count()) {
+            return true;  // clicked, where there is no entry, skip it
+        }
+        // selected_index_ is the current
+        if (selected_index_ == new_selected) {
+            // already selected, trigger on_select
+            if (on_select) {
+                // on_select(new_selected); //causes strange behavior, not so confident to use it
+            }
+            return true;
+        } else {
+            // just change selection
+            selected_index_ = new_selected;
+        }
+        return true;
+    }
+    return true;
+}
+
 bool FreqManUIList::on_keyboard(const KeyboardEvent key) {
     if (!db_ || db_->empty())
         return false;

firmware/application/ui/ui_freqlist.hpp

@@ -50,6 +50,7 @@ class FreqManUIList : public Widget {
     bool on_key(const KeyEvent key) override;
     bool on_encoder(EncoderEvent delta) override;
     bool on_keyboard(const KeyboardEvent event) override;
+    bool on_touch(const TouchEvent event) override;
 
     void set_parent_rect(Rect new_parent_rect) override;
 

firmware/application/ui/ui_menu.cpp

@@ -243,6 +243,18 @@ void MenuView::on_blur() {
         item_view(highlighted_item - offset)->unhighlight();
 }
 
+bool MenuView::on_touch(const TouchEvent event) {
+    size_t i = 0;
+    for (const auto child : children_) {
+        if (i >= menu_item_views.size()) break;
+        if (child->screen_rect().contains(event.point)) {
+            return set_highlighted(i + offset);
+        }
+        i++;
+    }
+    return false;
+}
+
 bool MenuView::on_key(const KeyEvent key) {
     switch (key) {
         case KeyEvent::Up:

firmware/application/ui/ui_menu.hpp

@@ -99,6 +99,7 @@ class MenuView : public View {
     bool on_key(const KeyEvent event) override;
     bool on_encoder(const EncoderEvent event) override;
     bool on_keyboard(const KeyboardEvent event) override;
+    bool on_touch(const TouchEvent event) override;
 
    private:
     void update_items();