Embedded/lvgl
1
0
Fork 0
mirror of https://github.com/lvgl/lvgl.git synced 2025-01-28 07:03:00 +08:00
Code Issues Projects Releases Wiki Activity

Only drag in one dimension because its too jumpy

Browse Source
This commit is contained in:
Adam Martini 2020-06-26 08:50:24 -07:00
parent 849d3d3255
commit c36f731316
1 changed files with 1 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/lv_widgets/lv_rotary.c
View File

@ -410,21 +410,14 @@ static lv_res_t lv_rotary_signal(lv_obj_t * rotary, lv_signal_t sign, void * par
lv_indev_get_point(param, &p); lv_indev_get_point(param, &p);
lv_coord_t drag_diff; lv_coord_t drag_diff;
lv_coord_t drag_x_diff = p.x -ext->last_press_point.x; lv_coord_t drag_x_diff = p.x -ext->last_press_point.x;
lv_coord_t drag_y_diff = p.y -ext->last_press_point.y;
if (LV_MATH_ABS(drag_x_diff) > ext->threshold) { if (LV_MATH_ABS(drag_x_diff) > ext->threshold) {
if (drag_x_diff > 0) drag_x_diff = ext->threshold; if (drag_x_diff > 0) drag_x_diff = ext->threshold;
else drag_x_diff = -ext->threshold; else drag_x_diff = -ext->threshold;
} }
if (LV_MATH_ABS(drag_y_diff) > ext->threshold) { drag_diff = drag_x_diff;
if (drag_y_diff > 0) drag_x_diff = ext->threshold;
else drag_y_diff = -ext->threshold;
}
ext->last_press_point = p; ext->last_press_point = p;
if (LV_MATH_ABS(drag_x_diff) > LV_MATH_ABS(drag_y_diff)) drag_diff = drag_x_diff;
else drag_diff = drag_y_diff;
if (ext->knob_area.y1 < p.y && p.y < ext->knob_area.y2) { if (ext->knob_area.y1 < p.y && p.y < ext->knob_area.y2) {
if (drag_diff > 0 && p.x < ext->knob_area.x2) { if (drag_diff > 0 && p.x < ext->knob_area.x2) {
if (lv_rotary_set_value(rotary, lv_rotary_get_value(rotary) + drag_diff * ext->sensitivity, LV_ANIM_ON)) { if (lv_rotary_set_value(rotary, lv_rotary_get_value(rotary) + drag_diff * ext->sensitivity, LV_ANIM_ON)) {