Embedded/lvgl
1
0
Fork 0
mirror of https://github.com/lvgl/lvgl.git synced 2025-01-14 06:42:58 +08:00
Code Issues Projects Releases Wiki Activity

Very rough prototype of animated switch

Browse Source
This commit is contained in:
Themba Dube 2018-11-14 20:09:09 -05:00
parent 81634d410b
commit 6de61f3f5b
2 changed files with 100 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

76
lv_objx/lv_sw.c
View File

@ -7,6 +7,7 @@
* INCLUDES
*********************/
#include "lv_sw.h"
#if USE_LV_SW != 0
/*Testing of dependencies*/
@ -20,6 +21,8 @@
* DEFINES
*********************/
#define LV_SWITCH_SLIDER_ANIM_MAX 1000
/**********************
* TYPEDEFS
**********************/
@ -66,6 +69,7 @@ lv_obj_t * lv_sw_create(lv_obj_t * par, const lv_obj_t * copy)
/*Initialize the allocated 'ext' */
ext->changed = 0;
ext->anim_time = 0;
ext->style_knob_off = ext->slider.style_knob;
ext->style_knob_on = ext->slider.style_knob;
@ -111,6 +115,12 @@ lv_obj_t * lv_sw_create(lv_obj_t * par, const lv_obj_t * copy)
* Setter functions
*====================*/
static void lv_sw_clear_anim(lv_obj_t *sw)
{
lv_sw_ext_t * ext = lv_obj_get_ext_attr(sw);
ext->anim_act = 0;
}
/**
* Turn ON the switch
* @param sw pointer to a switch object
@ -120,6 +130,28 @@ void lv_sw_on(lv_obj_t * sw)
if(lv_sw_get_state(sw)) return; /*Do nothing is already turned on*/
lv_sw_ext_t * ext = lv_obj_get_ext_attr(sw);
#if USE_LV_ANIMATION
if(lv_sw_get_anim_time(sw) > 0) {
if(ext->anim_act) {
lv_anim_del(sw, NULL);
ext->anim_act = 0;
}
ext->cur_anim.var = sw;
ext->cur_anim.start = lv_slider_get_value(sw);
ext->cur_anim.end = LV_SWITCH_SLIDER_ANIM_MAX;
ext->cur_anim.fp = (lv_anim_fp_t)lv_slider_set_value;
ext->cur_anim.path = lv_anim_path_linear;
ext->cur_anim.end_cb = (lv_anim_cb_t)lv_sw_clear_anim;
ext->cur_anim.act_time = 0;
ext->cur_anim.time = lv_sw_get_anim_time(sw);
ext->cur_anim.playback = 0;
ext->cur_anim.playback_pause = 0;
ext->cur_anim.repeat = 0;
ext->cur_anim.repeat_pause = 0;
ext->anim_act = 1;
lv_anim_create(&ext->cur_anim);
} else /* continues below if statement */
#endif
lv_slider_set_value(sw, 1);
lv_slider_set_style(sw, LV_SLIDER_STYLE_KNOB, ext->style_knob_on);
}
@ -165,6 +197,17 @@ void lv_sw_set_style(lv_obj_t * sw, lv_sw_style_t type, lv_style_t * style)
}
}
void lv_sw_set_anim_time(lv_obj_t *sw, uint16_t anim_time)
{
lv_sw_ext_t * ext = lv_obj_get_ext_attr(sw);
ext->anim_time = anim_time;
if(anim_time > 0) {
lv_slider_set_range(sw, 0, LV_SWITCH_SLIDER_ANIM_MAX);
} else
lv_slider_set_range(sw, 0, 1);
}
/*=====================
* Getter functions
*====================*/
@ -200,6 +243,13 @@ lv_style_t * lv_sw_get_style(const lv_obj_t * sw, lv_sw_style_t type)
return style;
}
uint16_t lv_sw_get_anim_time(const lv_obj_t *sw)
{
lv_sw_ext_t * ext = lv_obj_get_ext_attr(sw);
return ext->anim_time;
}
/**********************
* STATIC FUNCTIONS
**********************/
@ -217,9 +267,17 @@ static lv_res_t lv_sw_signal(lv_obj_t * sw, lv_signal_t sign, void * param)
/*Save the current (old) value before slider signal modifies it*/
int16_t old_val;
if(sign == LV_SIGNAL_PRESSING) old_val = ext->slider.drag_value;
else old_val = lv_slider_get_value(sw);
#if USE_LV_ANIMATION
if(lv_sw_get_anim_time(sw) > 0) {
/* Overwrite old_val */
old_val = lv_sw_get_state(sw) ? LV_SWITCH_SLIDER_ANIM_MAX : 0;
}
#endif
/*Do not let the slider to call the callback. The Switch will do it if required*/
lv_action_t slider_action = ext->slider.action;
ext->slider.action = NULL;
@ -234,6 +292,12 @@ static lv_res_t lv_sw_signal(lv_obj_t * sw, lv_signal_t sign, void * param)
} else if(sign == LV_SIGNAL_PRESSING) {
int16_t act_val = ext->slider.drag_value;
if(act_val != old_val) ext->changed = 1;
#if USE_LV_ANIMATION
if(lv_sw_get_anim_time(sw) > 0) {
/* Keep forcing the slider to old_val */
lv_slider_set_value(sw, old_val);
}
#endif
} else if(sign == LV_SIGNAL_PRESS_LOST) {
ext->changed = 0;
if(lv_sw_get_state(sw)) lv_slider_set_style(sw, LV_SLIDER_STYLE_KNOB, ext->style_knob_on);
@ -244,6 +308,18 @@ static lv_res_t lv_sw_signal(lv_obj_t * sw, lv_signal_t sign, void * param)
if(v == 0) lv_slider_set_value(sw, 1);
else lv_slider_set_value(sw, 0);
}
#if USE_LV_ANIMATION
else if(lv_sw_get_anim_time(sw) > 0) {
if(old_val == 0) {
lv_slider_set_value(sw, 0);
lv_bar_set_value(sw, 0);
lv_sw_on(sw);
} else {
lv_slider_set_value(sw, LV_SWITCH_SLIDER_ANIM_MAX);
lv_sw_off(sw);
}
}
#endif
if(lv_sw_get_state(sw)) lv_slider_set_style(sw, LV_SLIDER_STYLE_KNOB, ext->style_knob_on);
else lv_slider_set_style(sw, LV_SLIDER_STYLE_KNOB, ext->style_knob_off);

24
lv_objx/lv_sw.h
View File

@ -44,6 +44,11 @@ typedef struct
lv_style_t *style_knob_off; /*Style of the knob when the switch is OFF*/
lv_style_t *style_knob_on; /*Style of the knob when the switch is ON (NULL to use the same as OFF)*/
uint8_t changed :1; /*Indicates the switch explicitly changed by drag*/
#if USE_LV_ANIMATION
uint16_t anim_time; /*switch animation time */
lv_anim_t cur_anim; /*current active animation */
uint8_t anim_act :1;
#endif
} lv_sw_ext_t;
enum {
@ -100,6 +105,16 @@ static inline void lv_sw_set_action(lv_obj_t * sw, lv_action_t action)
*/
void lv_sw_set_style(lv_obj_t *sw, lv_sw_style_t type, lv_style_t *style);
#if USE_LV_ANIMATION
/**
* Set the animation time of the switch
* @param sw pointer to a switch object
* @param anim_time animation time
* @return style pointer to a style
*/
void lv_sw_set_anim_time(lv_obj_t *sw, uint16_t anim_time);
#endif
/*=====================
* Getter functions
*====================*/
@ -132,6 +147,15 @@ static inline lv_action_t lv_sw_get_action(const lv_obj_t * slider)
*/
lv_style_t * lv_sw_get_style(const lv_obj_t *sw, lv_sw_style_t type);
#if USE_LV_ANIMATION
/**
* Get the animation time of the switch
* @param sw pointer to a switch object
* @return style pointer to a style
*/
uint16_t lv_sw_get_anim_time(const lv_obj_t *sw);
#endif
/**********************
* MACROS
**********************/