improve double click

docs/changes.md

@@ -3,6 +3,7 @@
 2022/12/22
   * 公开函数 conf\_node\_find\_child\_by\_index(感谢俊杰提供补丁)
   * 修复combo\_box 只有一项 options 时，scroll\_bar layout 会打印警告的问题(感谢陈聪提供补丁)
+  * 双击事件的判定加上限制坐标，防止在两个点之间快速来回点击也会触发双击事件(感谢陈聪提供补丁)
   
 2022/12/19
   * 修复有圆角时的边框绘制(感谢兆坤提供补丁)。

src/base/input_device_status.c

@@ -298,13 +298,17 @@ static ret_t input_device_status_dispatch_input_event(input_device_status_t* ids
     case EVT_POINTER_UP: {
       if (dispatch || ids->pressed) {
         int32_t delta_time = e->time - ids->last_pointer_up_time;
+        int32_t delta_x, delta_y;
         pointer_event_t* evt = (pointer_event_t*)e;
         pointer_event_rotate(evt, system_info());
+        delta_x = evt->x - ids->last_pointer_up_x;
+        delta_y = evt->y - ids->last_pointer_up_y;
 
         input_device_status_init_pointer_event(ids, evt);
         widget_on_pointer_up(widget, evt);
 
-        if (delta_time < TK_DOUBLE_CLICK_TIME) {
+        if (delta_time < TK_DOUBLE_CLICK_TIME && tk_abs(delta_x) < TK_DOUBLE_CLICK_XY &&
+            tk_abs(delta_y) < TK_DOUBLE_CLICK_XY) {
           pointer_event_t double_click;
           e = pointer_event_init(&double_click, EVT_DOUBLE_CLICK, widget, evt->x, evt->y);
           widget_dispatch_event_to_target_recursive(widget, e);
@@ -315,6 +319,8 @@ static ret_t input_device_status_dispatch_input_event(input_device_status_t* ids
         ids->last_y = evt->y;
         ids->pressed = FALSE;
         ids->last_pointer_up_time = e->time;
+        ids->last_pointer_up_x = evt->x;
+        ids->last_pointer_up_y = evt->y;
       }
       break;
     }

src/base/input_device_status.h

@@ -63,6 +63,8 @@ typedef struct _input_device_status_t {
 
   uint64_t last_pointer_down_time;
   uint64_t last_pointer_up_time;
+  xy_t last_pointer_up_x;
+  xy_t last_pointer_up_y;
 
   widget_t* widget;
   uint32_t long_press_check_timer;

src/base/types_def.h

@@ -540,4 +540,9 @@ typedef struct _lcd_t lcd_t;
 #ifndef TK_DOUBLE_CLICK_TIME
 #define TK_DOUBLE_CLICK_TIME 300
 #endif /*TK_DOUBLE_CLICK_TIME*/
+
+#ifndef TK_DOUBLE_CLICK_XY
+#define TK_DOUBLE_CLICK_XY 10
+#endif /*TK_DOUBLE_CLICK_XY*/
+
 #endif /*TK_TYPES_DEF_H*/