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improve slider

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This commit is contained in:
lixianjing 2023-02-24 18:21:18 +08:00
parent d9301f4ae0
commit 438172f234
2 changed files with 8 additions and 8 deletions
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1
docs/changes.md
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@ -2,6 +2,7 @@
2023/02/24
* 修复API注释错误(感谢俊圣提供补丁)
* 完善slider控件(感谢高源提供补丁)
2023/02/23
* 修复API注释错误(感谢俊圣提供补丁)

15
src/widgets/slider.c
View File

@ -155,6 +155,7 @@ static ret_t slider_update_dragger_rect(widget_t* widget, canvas_t* c) {
dragger_size = slider_get_dragger_size(widget);
max_gap = tk_roundi(dragger_size / 2);
margin = margin > -max_gap ? margin : -max_gap;
if (slider->vertical) {
fvalue = 1.0f - fvalue;
@ -165,9 +166,6 @@ static ret_t slider_update_dragger_rect(widget_t* widget, canvas_t* c) {
r->y = widget->h * fvalue - (dragger_size >> 1);
} else {
r->y = margin + (widget->h - dragger_size - (margin * 2.0f)) * fvalue;
r->y = r->y < -max_gap ? -max_gap : r->y;
r->y = r->y > (widget->h - max_gap) ? (widget->h - max_gap) : r->y;
}
} else {
r->w = dragger_size;
@ -177,9 +175,6 @@ static ret_t slider_update_dragger_rect(widget_t* widget, canvas_t* c) {
r->x = widget->w * fvalue - (dragger_size >> 1);
} else {
r->x = margin + (widget->w - dragger_size - (margin * 2.0f)) * fvalue;
r->x = r->x < -max_gap ? -max_gap : r->x;
r->x = r->x > (widget->w - max_gap) ? (widget->w - max_gap) : r->x;
}
}
@ -430,12 +425,16 @@ ret_t slider_dec(widget_t* widget) {
static ret_t slider_change_value_by_pointer_event(widget_t* widget, pointer_event_t* evt) {
double value = 0;
uint32_t max_gap = 0;
point_t p = {evt->x, evt->y};
slider_t* slider = SLIDER(widget);
double range = slider->max - slider->min;
uint32_t dragger_size = slider_get_dragger_size(widget);
int32_t margin = slider->no_dragger_icon ? 0 : style_get_int(widget->astyle, STYLE_ID_MARGIN, 0);
max_gap = tk_roundi(dragger_size / 2);
margin = margin > -max_gap ? margin : -max_gap;
widget_to_local(widget, &p);
if (slider->vertical) {
if (slider->no_dragger_icon) {
@ -443,7 +442,7 @@ static ret_t slider_change_value_by_pointer_event(widget_t* widget, pointer_even
} else {
int32_t half_dragger_size = dragger_size >> 1;
value = range - tk_clamp(range * (p.y - half_dragger_size - margin) /
(int32_t)(widget->h - dragger_size - (margin << 1)),
(int32_t)(widget->h - dragger_size - (margin * 2.0)),
0.0, range);
}
} else {
@ -452,7 +451,7 @@ static ret_t slider_change_value_by_pointer_event(widget_t* widget, pointer_even
} else {
int32_t half_dragger_size = dragger_size >> 1;
value = tk_clamp(range * (p.x - half_dragger_size - margin) /
(int32_t)(widget->w - dragger_size - (margin << 1)),
(int32_t)(widget->w - dragger_size - (margin * 2.0)),
0.0, range);
}
}