support key long press event

awtk_config.py

@@ -162,7 +162,7 @@ OS_PROJECTS=[]
 OS_WHOLE_ARCHIVE=''
 if OS_NAME == 'Darwin':
   TOOLS_NAME = ''
-  OS_FLAGS='-g -Wall -fPIC '
+  OS_FLAGS='-g -Wall -fPIC -DWITHOUT_GLAD=1 '
   OS_LIBS = ['stdc++', 'iconv','pthread', 'm', 'dl']
   OS_LINKFLAGS='-framework IOKit -framework Cocoa -framework QuartzCore -framework OpenGL -weak_framework Metal -weak_framework MetalKit'
   COMMON_CCFLAGS = COMMON_CCFLAGS + ' -DHAS_SEM_OPEN '

docs/changes.md

@@ -1,4 +1,7 @@
 # 最新动态
+* 2020/09/15
+  * 支持长按键事件
+
 * 2020/09/11
   * 支持 packed 图片。
   * 增加 [如何使用 packed 图](docs/how_to_use_packed_image.md)

src/base/events.h

@@ -121,6 +121,11 @@ typedef enum _event_type_t {
    * 键按下事件名(key_event_t)。
    */
   EVT_KEY_DOWN,
+  /**
+   * @const EVT_KEY_LONG_PRESS
+   * 键长按事件名(key_event_t)。
+   */
+  EVT_KEY_LONG_PRESS,
   /**
    * @const EVT_KEY_DOWN_BEFORE_CHILDREN
    * 键按下事件名，在子控件处理之前触发(key_event_t)。

src/base/input_device_status.c

@@ -20,6 +20,7 @@
  */
 
 #include "tkc/mem.h"
+#include "tkc/time_now.h"
 #include "base/keys.h"
 #include "base/system_info.h"
 #include "base/input_device_status.h"
@@ -31,6 +32,89 @@ input_device_status_t* input_device_status_init(input_device_status_t* ids) {
   return ids;
 }
 
+static key_pressed_info_t* input_device_status_find_press_info(input_device_status_t* ids,
+                                                               uint32_t key) {
+  uint32_t i = 0;
+  for (i = 0; i < MAX_PRESSED_KEYS_NR; i++) {
+    key_pressed_info_t* iter = ids->pressed_info + i;
+    if (iter->key == key) {
+      return iter;
+    }
+  }
+
+  return NULL;
+}
+
+static bool_t input_device_status_has_pressed_key(input_device_status_t* ids) {
+  uint32_t i = 0;
+  for (i = 0; i < MAX_PRESSED_KEYS_NR; i++) {
+    key_pressed_info_t* iter = ids->pressed_info + i;
+    if (iter->key) {
+      return TRUE;
+    }
+  }
+
+  return FALSE;
+}
+
+static ret_t input_device_status_dispatch_long_press(input_device_status_t* ids) {
+  uint32_t i = 0;
+  key_event_t evt;
+  uint64_t now = time_now_ms();
+  widget_t* widget = ids->widget;
+
+  for (i = 0; i < MAX_PRESSED_KEYS_NR; i++) {
+    key_pressed_info_t* iter = ids->pressed_info + i;
+    if (iter->key && !iter->emitted) {
+      uint64_t t = now - iter->time;
+      if (t >= TK_LONG_PRESS_TIME) {
+        key_event_init(&evt, EVT_KEY_LONG_PRESS, widget, iter->key);
+        widget_on_keydown(widget, &evt);
+        log_debug("long press:%d\n", iter->key);
+        iter->emitted = TRUE;
+      }
+    }
+  }
+
+  return RET_OK;
+}
+
+static ret_t long_press_check_on_timer(const timer_info_t* info) {
+  input_device_status_t* ids = (input_device_status_t*)(info->ctx);
+
+  input_device_status_dispatch_long_press(ids);
+
+  if (input_device_status_has_pressed_key(ids)) {
+    return RET_REPEAT;
+  } else {
+    ids->long_press_check_timer = TK_INVALID_ID;
+    return RET_REMOVE;
+  }
+}
+
+static ret_t input_device_status_update_key_press_info(input_device_status_t* ids, uint32_t key,
+                                                       bool_t down) {
+  key_pressed_info_t* info = input_device_status_find_press_info(ids, key);
+
+  if (down) {
+    if (info == NULL) {
+      info = input_device_status_find_press_info(ids, 0);
+      return_value_if_fail(info != NULL, RET_BAD_PARAMS);
+      info->key = key;
+      info->time = time_now_ms();
+    }
+
+    if (ids->long_press_check_timer == TK_INVALID_ID) {
+      ids->long_press_check_timer = timer_add(long_press_check_on_timer, ids, TK_LONG_PRESS_TIME);
+    }
+  } else {
+    return_value_if_fail(info != NULL, RET_BAD_PARAMS);
+    memset(info, 0x00, sizeof(key_pressed_info_t));
+  }
+
+  return RET_OK;
+}
+
 static ret_t input_device_status_update_key_status(input_device_status_t* ids, uint32_t key,
                                                    bool_t down) {
   if (key == TK_KEY_LSHIFT) {
@@ -62,6 +146,7 @@ static ret_t input_device_status_update_key_status(input_device_status_t* ids, u
       ids->capslock = !(ids->capslock);
     }
   }
+  input_device_status_update_key_press_info(ids, key, down);
 
   return RET_OK;
 }
@@ -148,6 +233,7 @@ static ret_t input_device_status_init_key_event(input_device_status_t* ids, key_
 ret_t input_device_status_on_input_event(input_device_status_t* ids, widget_t* widget, event_t* e) {
   return_value_if_fail(ids != NULL && e != NULL, RET_BAD_PARAMS);
 
+  ids->widget = widget;
   switch (e->type) {
     case EVT_POINTER_DOWN: {
       pointer_event_t* evt = (pointer_event_t*)e;

src/base/input_device_status.h

@@ -26,6 +26,14 @@
 
 BEGIN_C_DECLS
 
+#define MAX_PRESSED_KEYS_NR 16
+
+typedef struct _key_pressed_info_t {
+  uint32_t key;
+  uint32_t emitted;
+  uint64_t time;
+} key_pressed_info_t;
+
 /**
  * @class input_device_status_t
  * 输入设备状态管理器。本类仅供窗口管理器内部使用。
@@ -47,6 +55,9 @@ typedef struct _input_device_status_t {
   xy_t last_x;
   xy_t last_y;
   bool_t pressed;
+  widget_t* widget;
+  uint32_t long_press_check_timer;
+  key_pressed_info_t pressed_info[MAX_PRESSED_KEYS_NR + 1];
 } input_device_status_t;
 
 /**

src/base/widget.c

@@ -2198,6 +2198,7 @@ ret_t widget_on_keydown(widget_t* widget, key_event_t* e) {
 
   widget_ref(widget);
   widget_map_key(widget, e);
+  if (e->e.type == EVT_KEY_DOWN) {
     ret = widget_on_keydown_impl(widget, e);
     if (widget->feedback) {
       ui_feedback_request(widget, (event_t*)e);
@@ -2207,6 +2208,10 @@ ret_t widget_on_keydown(widget_t* widget, key_event_t* e) {
     if (ret != RET_STOP) {
       ret = widget_on_keydown_general(widget, e);
     }
+  } else if (e->e.type == EVT_KEY_LONG_PRESS) {
+    return_if_equal(widget_on_keydown_children(widget, e), RET_STOP);
+    ret = widget_on_keydown_after_children(widget, e);
+  }
   widget_unref(widget);
 
   return ret;