Adds page indicator to music app

Author: SteveAmor

src/displayapp/screens/Music.cpp

@@ -59,7 +59,7 @@ Music::Music(Pinetime::Controllers::MusicService& music) : musicService(music) {
   btnVolDown->user_data = this;
   lv_obj_set_event_cb(btnVolDown, event_handler);
   lv_obj_set_size(btnVolDown, 76, 76);
-  lv_obj_align(btnVolDown, nullptr, LV_ALIGN_IN_BOTTOM_LEFT, 0, 0);
+  lv_obj_align(btnVolDown, nullptr, LV_ALIGN_IN_BOTTOM_LEFT, 3, 0);
   lv_obj_add_style(btnVolDown, LV_STATE_DEFAULT, &btn_style);
   label = lv_label_create(btnVolDown, nullptr);
   lv_label_set_text_static(label, Symbols::volumDown);
@@ -69,7 +69,7 @@ Music::Music(Pinetime::Controllers::MusicService& music) : musicService(music) {
   btnVolUp->user_data = this;
   lv_obj_set_event_cb(btnVolUp, event_handler);
   lv_obj_set_size(btnVolUp, 76, 76);
-  lv_obj_align(btnVolUp, nullptr, LV_ALIGN_IN_BOTTOM_RIGHT, 0, 0);
+  lv_obj_align(btnVolUp, nullptr, LV_ALIGN_IN_BOTTOM_RIGHT, -3, 0);
   lv_obj_add_style(btnVolUp, LV_STATE_DEFAULT, &btn_style);
   label = lv_label_create(btnVolUp, nullptr);
   lv_label_set_text_static(label, Symbols::volumUp);
@@ -79,7 +79,7 @@ Music::Music(Pinetime::Controllers::MusicService& music) : musicService(music) {
   btnPrev->user_data = this;
   lv_obj_set_event_cb(btnPrev, event_handler);
   lv_obj_set_size(btnPrev, 76, 76);
-  lv_obj_align(btnPrev, nullptr, LV_ALIGN_IN_BOTTOM_LEFT, 0, 0);
+  lv_obj_align(btnPrev, nullptr, LV_ALIGN_IN_BOTTOM_LEFT, 3, 0);
   lv_obj_add_style(btnPrev, LV_STATE_DEFAULT, &btn_style);
   label = lv_label_create(btnPrev, nullptr);
   lv_label_set_text_static(label, Symbols::stepBackward);
@@ -88,7 +88,7 @@ Music::Music(Pinetime::Controllers::MusicService& music) : musicService(music) {
   btnNext->user_data = this;
   lv_obj_set_event_cb(btnNext, event_handler);
   lv_obj_set_size(btnNext, 76, 76);
-  lv_obj_align(btnNext, nullptr, LV_ALIGN_IN_BOTTOM_RIGHT, 0, 0);
+  lv_obj_align(btnNext, nullptr, LV_ALIGN_IN_BOTTOM_RIGHT, -3, 0);
   lv_obj_add_style(btnNext, LV_STATE_DEFAULT, &btn_style);
   label = lv_label_create(btnNext, nullptr);
   lv_label_set_text_static(label, Symbols::stepForward);
@@ -127,6 +127,8 @@ Music::Music(Pinetime::Controllers::MusicService& music) : musicService(music) {
   lv_obj_set_width(txtTrack, LV_HOR_RES - 12);
   lv_label_set_text_static(txtTrack, "");
 
+  page1Indicator.Create();
+
   /** Init animation */
   imgDisc = lv_img_create(lv_scr_act(), nullptr);
   lv_img_set_src_arr(imgDisc, &disc);
@@ -256,6 +258,8 @@ bool Music::OnTouchEvent(Pinetime::Applications::TouchEvents event) {
 
       lv_obj_set_hidden(btnNext, true);
       lv_obj_set_hidden(btnPrev, true);
+      page1Indicator.Delete();
+      page2Indicator.Create();
       return true;
     }
     case TouchEvents::SwipeDown: {
@@ -264,6 +268,8 @@ bool Music::OnTouchEvent(Pinetime::Applications::TouchEvents event) {
         lv_obj_set_hidden(btnPrev, false);
         lv_obj_set_hidden(btnVolDown, true);
         lv_obj_set_hidden(btnVolUp, true);
+        page2Indicator.Delete();
+        page1Indicator.Create();
         return true;
       }
       return false;

src/displayapp/screens/Music.h

@@ -21,6 +21,7 @@
 #include <lvgl/src/lv_core/lv_obj.h>
 #include <string>
 #include "displayapp/screens/Screen.h"
+#include "displayapp/widgets/PageIndicator.h"
 #include "displayapp/apps/Apps.h"
 #include "displayapp/Controllers.h"
 #include "Symbols.h"
@@ -82,6 +83,9 @@ namespace Pinetime {
 
         lv_task_t* taskRefresh;
 
+        Widgets::PageIndicator page1Indicator = Widgets::PageIndicator(0, 2);
+        Widgets::PageIndicator page2Indicator = Widgets::PageIndicator(1, 2);
+
         /** Watchapp */
       };
     }

src/displayapp/widgets/PageIndicator.cpp

@@ -30,3 +30,8 @@ void PageIndicator::Create() {
   lv_obj_set_style_local_line_color(pageIndicator, LV_LINE_PART_MAIN, LV_STATE_DEFAULT, Colors::lightGray);
   lv_line_set_points(pageIndicator, pageIndicatorPoints, 2);
 }
+
+void PageIndicator::Delete() {
+  lv_obj_del(pageIndicatorBase);
+  lv_obj_del(pageIndicator);
+}

src/displayapp/widgets/PageIndicator.h

@@ -8,6 +8,7 @@ namespace Pinetime {
       public:
         PageIndicator(uint8_t nCurrentScreen, uint8_t nScreens);
         void Create();
+        void Delete();
 
       private:
         uint8_t nCurrentScreen;