fix(indev): swap the order of sending indev events and obj events (#6636)

Signed-off-by: pengyiqiang <pengyiqiang@xiaomi.com>
Co-authored-by: pengyiqiang <pengyiqiang@xiaomi.com>
Co-authored-by: Gabor Kiss-Vamosi <kisvegabor@gmail.com>

src/indev/lv_indev.c

@@ -380,6 +380,13 @@ void * lv_indev_get_driver_data(const lv_indev_t * indev)
     return indev->driver_data;
 }
 
+bool lv_indev_get_press_moved(const lv_indev_t * indev)
+{
+    if(indev == NULL) return false;
+
+    return indev->pointer.press_moved;
+}
+
 void lv_indev_reset(lv_indev_t * indev, lv_obj_t * obj)
 {
     if(indev) {
@@ -395,6 +402,12 @@ void lv_indev_reset(lv_indev_t * indev, lv_obj_t * obj)
     }
 }
 
+void lv_indev_stop_processing(lv_indev_t * indev)
+{
+    if(indev == NULL) return;
+    indev->stop_processing_query = 1;
+}
+
 void lv_indev_reset_long_press(lv_indev_t * indev)
 {
     indev->long_pr_sent         = 0;
@@ -1199,6 +1212,7 @@ static void indev_proc_press(lv_indev_t * indev)
             indev->pointer.gesture_sent   = 0;
             indev->pointer.gesture_sum.x  = 0;
             indev->pointer.gesture_sum.y  = 0;
+            indev->pointer.press_moved    = 0;
             indev->pointer.vect.x         = 0;
             indev->pointer.vect.y         = 0;
 
@@ -1228,6 +1242,10 @@ static void indev_proc_press(lv_indev_t * indev)
 
     indev->pointer.scroll_throw_vect_ori = indev->pointer.scroll_throw_vect;
 
+    if(LV_ABS(indev->pointer.vect.x) > indev->scroll_limit || LV_ABS(indev->pointer.vect.y) > indev->scroll_limit) {
+        indev->pointer.press_moved = 1;
+    }
+
     if(indev_obj_act) {
         const bool is_enabled = !lv_obj_has_state(indev_obj_act, LV_STATE_DISABLED);
 
@@ -1449,6 +1467,7 @@ static void indev_proc_reset_query_handler(lv_indev_t * indev)
         indev->pointer.gesture_sum.x     = 0;
         indev->pointer.gesture_sum.y     = 0;
         indev->reset_query                     = 0;
+        indev->stop_processing_query           = 0;
         indev_obj_act                               = NULL;
     }
 }
@@ -1589,6 +1608,16 @@ static bool indev_reset_check(lv_indev_t * indev)
     return indev->reset_query;
 }
 
+/**
+ * Checks if the stop_processing_query flag has been set. If so, do not send any events to the object
+ * @param indev pointer to an input device
+ * @return true if indev should stop processing the event.
+ */
+static bool indev_stop_processing_check(lv_indev_t * indev)
+{
+    return indev->stop_processing_query;
+}
+
 /**
  * Reset the indev and send event to active obj and scroll obj
  * @param indev pointer to an input device
@@ -1636,19 +1665,28 @@ static void indev_reset_core(lv_indev_t * indev, lv_obj_t * obj)
 
 static lv_result_t send_event(lv_event_code_t code, void * param)
 {
-    lv_obj_send_event(indev_obj_act, code, param);
-    if(indev_reset_check(indev_act)) return LV_RESULT_INVALID;
+    lv_indev_t * indev = indev_act;
 
     if(code == LV_EVENT_PRESSED ||
+       code == LV_EVENT_SHORT_CLICKED ||
        code == LV_EVENT_CLICKED ||
        code == LV_EVENT_RELEASED ||
        code == LV_EVENT_LONG_PRESSED ||
        code == LV_EVENT_LONG_PRESSED_REPEAT ||
        code == LV_EVENT_ROTARY) {
-        lv_indev_send_event(indev_act, code, indev_obj_act);
-        if(indev_reset_check(indev_act)) return LV_RESULT_INVALID;
+        lv_indev_send_event(indev, code, indev_obj_act);
+        if(indev_reset_check(indev)) return LV_RESULT_INVALID;
+
+        if(indev_stop_processing_check(indev)) {
+            /* Not send event to the object if stop processing query is set */
+            indev->stop_processing_query = 0;
+            return LV_RESULT_OK;
+        }
     }
 
+    lv_obj_send_event(indev_obj_act, code, param);
+    if(indev_reset_check(indev)) return LV_RESULT_INVALID;
+
     return LV_RESULT_OK;
 }
 

src/indev/lv_indev.h

@@ -201,6 +201,13 @@ void * lv_indev_get_user_data(const lv_indev_t * indev);
  */
 void * lv_indev_get_driver_data(const lv_indev_t * indev);
 
+/**
+ * Get whether indev is moved while pressed
+ * @param indev pointer to an input device
+ * @return true: indev is moved while pressed; false: indev is not moved while pressed
+ */
+bool lv_indev_get_press_moved(const lv_indev_t * indev);
+
 /**
  * Reset one or all input devices
  * @param indev pointer to an input device to reset or NULL to reset all of them
@@ -208,6 +215,13 @@ void * lv_indev_get_driver_data(const lv_indev_t * indev);
  */
 void lv_indev_reset(lv_indev_t * indev, lv_obj_t * obj);
 
+/**
+ * Touch and key related events are sent to the input device first and to the widget after that.
+ * If this functions called in an indev event, the event won't be sent to the widget.
+ * @param indev pointer to an input device
+ */
+void lv_indev_stop_processing(lv_indev_t * indev);
+
 /**
  * Reset the long press state of an input device
  * @param indev pointer to an input device

src/indev/lv_indev_private.h

@@ -38,6 +38,7 @@ struct lv_indev_t {
     uint8_t reset_query : 1;
     uint8_t enabled : 1;
     uint8_t wait_until_release : 1;
+    uint8_t stop_processing_query : 1;
 
     uint32_t pr_timestamp;         /**< Pressed time stamp*/
     uint32_t longpr_rep_timestamp; /**< Long press repeat time stamp*/
@@ -94,6 +95,7 @@ struct lv_indev_t {
         uint8_t scroll_dir : 4;
         uint8_t gesture_dir : 4;
         uint8_t gesture_sent : 1;
+        uint8_t press_moved : 1;
     } pointer;
     struct {
         /*Keypad data*/