Fix sliding on inactive part of tab bar grabbing input focus (#1180)

* fix #298, keys not working, after sliding on tabs bar

* fix for touch end event with start x,y coordinate is triggered after the last slide event

* remove selecting tabs on the tab top bar by sliding as it does break sliding the tab bar.

radio/src/gui/colorlcd/tabsgroup.cpp

@@ -71,16 +71,39 @@ void TabsCarousel::paint(BitmapBuffer * dc)
 }
 
 #if defined(HARDWARE_TOUCH)
+bool TabsCarousel::onTouchStart(coord_t x, coord_t y)
+{
+  if(sliding)
+    sliding = false;
+
+  return true;
+}
+
 bool TabsCarousel::onTouchEnd(coord_t x, coord_t y)
 {
+  if(sliding)
+    return true;
+
   unsigned index = (x - padding_left) / MENU_HEADER_BUTTON_WIDTH;
+
   if (index >= menu->tabs.size()) {
     return false;
   }
+
   menu->setCurrentTab(index);
   setCurrentIndex(index);
   return true;
 }
+
+bool TabsCarousel::onTouchSlide(coord_t x, coord_t y, coord_t startX, coord_t startY, coord_t slideX, coord_t slideY)
+{
+  sliding = true;
+
+  Window::onTouchSlide(x,y,startX,startY,slideX,slideY);
+  menu->setCurrentTab(currentIndex);
+
+  return true;
+}
 #endif
 
 TabsGroup::TabsGroup(uint8_t icon):

radio/src/gui/colorlcd/tabsgroup.h

@@ -102,13 +102,18 @@ class TabsCarousel: public Window {
     void paint(BitmapBuffer * dc) override;
 
 #if defined(HARDWARE_TOUCH)
+    bool onTouchStart(coord_t x, coord_t y) override;
     bool onTouchEnd(coord_t x, coord_t y) override;
+    bool onTouchSlide(coord_t x, coord_t y, coord_t startX, coord_t startY, coord_t slideX, coord_t slideY) override;
 #endif
 
   protected:
     constexpr static uint8_t padding_left = 3;
     TabsGroup * menu;
     uint8_t currentIndex = 0;
+#if defined(HARDWARE_TOUCH)
+    bool sliding = false;
+#endif
 };
 
 class TabsGroupHeader: public FormGroup {