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add widget_animate_value_to

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This commit is contained in:
xianjimli 2018-12-26 09:30:33 +08:00
parent 9c85038e16
commit f5442abea5
4 changed files with 30 additions and 5 deletions
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9
demos/demo_ui_app.c
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@ -339,9 +339,8 @@ static ret_t on_mem_test(void* ctx, event_t* e) {
static ret_t on_inc(void* ctx, event_t* e) {
widget_t* win = WIDGET(ctx);
widget_t* progress_bar = widget_lookup(win, "bar1", TRUE);
uint8_t value = (PROGRESS_BAR(progress_bar)->value + 10) % 100;
progress_bar_set_value(progress_bar, value);
int32_t value = (PROGRESS_BAR(progress_bar)->value + 20);
widget_animate_value_to(progress_bar, tk_min(100, value), 500);
(void)e;
return RET_OK;
}
@ -349,8 +348,8 @@ static ret_t on_inc(void* ctx, event_t* e) {
static ret_t on_dec(void* ctx, event_t* e) {
widget_t* win = WIDGET(ctx);
widget_t* progress_bar = widget_lookup(win, "bar1", TRUE);
uint8_t value = (PROGRESS_BAR(progress_bar)->value + 90) % 100;
progress_bar_set_value(progress_bar, value);
int32_t value = PROGRESS_BAR(progress_bar)->value - 20;
widget_animate_value_to(progress_bar, tk_max(0, value), 500);
(void)e;
return RET_OK;

1
docs/changes.md
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@ -2,6 +2,7 @@
* 2018/12/26
* 为了语义的一致性，把widget的虚函数destroy改名为on\_destroy。on\_destroy只是通知子类控件即将销毁。
* 重命名NAME\_LEN为TK\_NAME\_LEN。
* 增加函数：widget\_animate\_value\_to
* 2018/12/25
* 整理控件API文档：row/column/grid/grid\_item/view/group\_box/app\_bar/system\_bar

12
src/base/widget.c
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@ -113,6 +113,18 @@ ret_t widget_add_value(widget_t* widget, int32_t delta) {
return widget_set_value(widget, widget_get_value(widget) + delta);
}
ret_t widget_animate_value_to(widget_t* widget, int32_t value, uint32_t duration) {
if (duration == 0) {
return widget_set_value(widget, value);
} else {
char params[64];
tk_snprintf(params, sizeof(params) - 1, "value(to=%d, duration=%d)", value, duration);
widget_destroy_animator(widget, "value");
return widget_create_animator(widget, params);
}
}
bool_t widget_is_window_opened(widget_t* widget) {
int32_t stage =
widget_get_prop_int(widget_get_window(widget), WIDGET_PROP_STAGE, WINDOW_STAGE_NONE);

13
src/base/widget.h
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@ -543,6 +543,19 @@ ret_t widget_move_resize(widget_t* widget, xy_t x, xy_t y, wh_t w, wh_t h);
*/
ret_t widget_set_value(widget_t* widget, int32_t value);
/**
* @method widget_animate_value_to
* 设置控件的值(以动画形式变化到指定的值)。
* 只是对widget\_set\_prop的包装，值的意义由子类控件决定。
* @annotation ["scriptable"]
* @param {widget_t*} widget 控件对象。
* @param {int32_t} value 值。
* @param {uint32_t} duration 动画持续时间(毫秒)。
*
* @return {ret_t} 返回RET_OK表示成功，否则表示失败。
*/
ret_t widget_animate_value_to(widget_t* widget, int32_t value, uint32_t duration);
/**
* @method widget_add_value
* 增加控件的值。