draggable support drag native window

docs/changes.md

@@ -1,5 +1,8 @@
 # 最新动态
 
+2022/02/26
+  * draggable 支持拖动原生窗口。
+
 2022/02/25
   * 增加函数combo\_box\_has\_option\_text
   * 完善themegen （感谢兆坤提供补丁）。

src/ext_widgets/features/draggable.c

@@ -86,6 +86,15 @@ ret_t draggable_set_drag_window(widget_t* widget, bool_t drag_window) {
   return RET_OK;
 }
 
+ret_t draggable_set_drag_native_window(widget_t* widget, bool_t drag_native_window) {
+  draggable_t* draggable = DRAGGABLE(widget);
+  return_value_if_fail(draggable != NULL, RET_BAD_PARAMS);
+
+  draggable->drag_native_window = drag_native_window;
+
+  return RET_OK;
+}
+
 ret_t draggable_set_drag_parent(widget_t* widget, uint32_t drag_parent) {
   draggable_t* draggable = DRAGGABLE(widget);
   return_value_if_fail(draggable != NULL, RET_BAD_PARAMS);
@@ -120,6 +129,9 @@ static ret_t draggable_get_prop(widget_t* widget, const char* name, value_t* v)
   } else if (tk_str_eq(DRAGGABLE_PROP_DRAG_WINDOW, name)) {
     value_set_bool(v, draggable->drag_window);
     return RET_OK;
+  } else if (tk_str_eq(DRAGGABLE_PROP_DRAG_NATIVE_WINDOW, name)) {
+    value_set_bool(v, draggable->drag_native_window);
+    return RET_OK;
   } else if (tk_str_eq(DRAGGABLE_PROP_DRAG_PARENT, name)) {
     value_set_uint32(v, draggable->drag_parent);
     return RET_OK;
@@ -152,6 +164,9 @@ static ret_t draggable_set_prop(widget_t* widget, const char* name, const value_
   } else if (tk_str_eq(DRAGGABLE_PROP_DRAG_WINDOW, name)) {
     draggable_set_drag_window(widget, value_bool(v));
     return RET_OK;
+  } else if (tk_str_eq(DRAGGABLE_PROP_DRAG_NATIVE_WINDOW, name)) {
+    draggable_set_drag_native_window(widget, value_bool(v));
+    return RET_OK;
   } else if (tk_str_eq(DRAGGABLE_PROP_DRAG_PARENT, name)) {
     draggable_set_drag_parent(widget, value_uint32(v));
     return RET_OK;
@@ -208,8 +223,17 @@ static ret_t draggable_on_parent_pointer_down(void* ctx, event_t* e) {
     draggable->pressed = TRUE;
     draggable->down.x = evt->x;
     draggable->down.y = evt->y;
-    draggable->saved_position.x = target->x;
+
-    draggable->saved_position.y = target->y;
+    if (draggable->drag_native_window) {
+      native_window_info_t info;
+      native_window_t* nw = widget_get_native_window(widget);
+      native_window_get_info(nw, &info);
+      draggable->saved_position.x = info.x;
+      draggable->saved_position.y = info.y;
+    } else {
+      draggable->saved_position.x = target->x;
+      draggable->saved_position.y = target->y;
+    }
 
     widget_grab(widget->parent->parent, widget->parent);
   }
@@ -257,7 +281,12 @@ static ret_t draggable_on_parent_pointer_move(void* ctx, event_t* e) {
     x = draggable->saved_position.x + (draggable->vertical_only ? 0 : dx);
     y = draggable->saved_position.y + (draggable->horizontal_only ? 0 : dy);
 
-    draggable_move_target(widget, x, y);
+    if (draggable->drag_native_window) {
+      native_window_t* nw = widget_get_native_window(widget);
+      native_window_move(nw, x, y, TRUE);
+    } else {
+      draggable_move_target(widget, x, y);
+    }
   }
 
   return RET_OK;

src/ext_widgets/features/draggable.h

@@ -114,6 +114,13 @@ typedef struct _draggable_t {
    */
   bool_t drag_window;
   
+  /**
+   * @property {bool_t} drag_native_window
+   * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
+   * 拖动原生窗口。
+   */
+  bool_t drag_native_window;
+
   /**
    * @property {uint32_t} drag_parent
    * @annotation ["set_prop","get_prop","readable","persitent","design","scriptable"]
@@ -222,13 +229,24 @@ ret_t draggable_set_horizontal_only(widget_t* widget, bool_t horizontal_only);
  * 设置drag_window。
  * @annotation ["scriptable"]
  * @param {widget_t*} widget widget对象。
- * @param {bool_t} drag_window drag_window
+ * @param {bool_t} drag_window 是否拖动窗口。
  * 拖动窗口而不是父控件。比如放在对话框的titlebar上，拖动titlebar其实是希望拖动对话框。
  *
  * @return {ret_t} 返回RET_OK表示成功，否则表示失败。
  */
 ret_t draggable_set_drag_window(widget_t* widget, bool_t drag_window);
 
+/**
+ * @method draggable_set_drag_native_window
+ * 设置drag_native_window。
+ * @annotation ["scriptable"]
+ * @param {widget_t*} widget widget对象。
+ * @param {bool_t} drag_native_window 是否拖动原生窗口。
+ *
+ * @return {ret_t} 返回RET_OK表示成功，否则表示失败。
+ */
+ret_t draggable_set_drag_native_window(widget_t* widget, bool_t drag_native_window);
+
 /**
  * @method draggable_set_drag_parent
  * 设置drag_parent。
@@ -249,6 +267,7 @@ ret_t draggable_set_drag_parent(widget_t* widget, uint32_t drag_parent);
 #define DRAGGABLE_PROP_DRAG_PARENT "drag_parent"
 #define DRAGGABLE_PROP_VERTICAL_ONLY "vertical_only"
 #define DRAGGABLE_PROP_HORIZONTAL_ONLY "horizontal_only"
+#define DRAGGABLE_PROP_DRAG_NATIVE_WINDOW "drag_native_window"
 
 #define WIDGET_TYPE_DRAGGABLE "draggable"
 #define DRAGGABLE_UNSPECIFIED_NUM 0x1fffffff

tests/draggable_test.cc

@@ -46,5 +46,8 @@ TEST(Draggable, basic) {
   ASSERT_EQ(widget_set_prop_int(d, DRAGGABLE_PROP_DRAG_WINDOW, 1), RET_OK);
   ASSERT_EQ(widget_get_prop_int(d, DRAGGABLE_PROP_DRAG_WINDOW, 0), 1);
   
+  ASSERT_EQ(widget_set_prop_int(d, DRAGGABLE_PROP_DRAG_NATIVE_WINDOW, 1), RET_OK);
+  ASSERT_EQ(widget_get_prop_int(d, DRAGGABLE_PROP_DRAG_NATIVE_WINDOW, 0), 1);
+
   widget_destroy(w);
 }