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feat(gridnav): single axis movement flags (#6044)

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This commit is contained in:
Liam
2024-05-02 09:54:25 -04:00
committed by GitHub
parent 94651d8620
commit a1a909fc24
8 changed files with 216 additions and 6 deletions
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8
examples/others/gridnav/index.rst
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@@ -21,4 +21,10 @@ Simple navigation on a list widget
----------------------------------
.. lv_example:: others/gridnav/lv_example_gridnav_4
:language: c
:language: c
Grid navigation for only one axis
---------------------------------
.. lv_example:: others/gridnav/lv_example_gridnav_5
:language: c

1
examples/others/gridnav/lv_example_gridnav.h
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@@ -29,6 +29,7 @@ void lv_example_gridnav_1(void);
void lv_example_gridnav_2(void);
void lv_example_gridnav_3(void);
void lv_example_gridnav_4(void);
void lv_example_gridnav_5(void);
/**********************
* MACROS

69
examples/others/gridnav/lv_example_gridnav_5.c Normal file
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@@ -0,0 +1,69 @@
#include "../../lv_examples.h"
#if LV_USE_GRIDNAV && LV_USE_FLEX && LV_BUILD_EXAMPLES
static const char * opts[] = {"0\n1\n2\n3\n4\n5", "0\n1\n2\n3\n4\n5\n6\n7\n8\n9", "s\nm\nh"};
static const int32_t opts_counts[] = {6, 10, 3};
static lv_obj_t * sliders[3];
static lv_obj_t * rollers[3];
static void slider_key_cb(lv_event_t * e)
{
uint8_t i = (uint32_t)(uintptr_t)lv_event_get_user_data(e);
lv_roller_set_selected(rollers[i], lv_slider_get_value(sliders[i]), LV_ANIM_ON);
}
static void roller_key_cb(lv_event_t * e)
{
uint8_t i = (uint32_t)(uintptr_t)lv_event_get_user_data(e);
lv_slider_set_value(sliders[i], lv_roller_get_selected(rollers[i]), LV_ANIM_ON);
}
/**
* Grid navigation for only one axis
*/
void lv_example_gridnav_5(void)
{
/*It's assumed that the default group is set and
*there is a keyboard indev*/
lv_group_t * group = lv_group_get_default();
lv_obj_t * cont;
cont = lv_obj_create(lv_screen_active());
lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_COLUMN);
lv_obj_set_flex_align(cont, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
lv_obj_set_size(cont, lv_pct(100), lv_pct(50));
lv_obj_align(cont, LV_ALIGN_TOP_MID, 0, 0);
/* only up/down keys will be used for grid navigation in this container. */
/* left/right will be sent to the sliders */
lv_gridnav_add(cont, LV_GRIDNAV_CTRL_VERTICAL_MOVE_ONLY);
lv_group_add_obj(group, cont);
for(uint32_t i = 0; i < 3; i++) {
lv_obj_t * slider = lv_slider_create(cont);
lv_slider_set_range(slider, 0, opts_counts[i] - 1);
lv_group_remove_obj(slider);
lv_obj_set_width(slider, lv_pct(85));
sliders[i] = slider;
lv_obj_add_event_cb(slider, slider_key_cb, LV_EVENT_KEY, (void *)(uintptr_t)i);
}
cont = lv_obj_create(lv_screen_active());
lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_ROW);
lv_obj_set_flex_align(cont, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
lv_obj_set_size(cont, lv_pct(100), lv_pct(50));
lv_obj_align(cont, LV_ALIGN_BOTTOM_MID, 0, 0);
/* only left/right keys will be used for grid navigation in this container. */
/* up/down will be sent to the rollers */
lv_gridnav_add(cont, LV_GRIDNAV_CTRL_HORIZONTAL_MOVE_ONLY);
lv_group_add_obj(group, cont);
for(uint32_t i = 0; i < 3; i++) {
lv_obj_t * roller = lv_roller_create(cont);
lv_roller_set_options(roller, opts[i], LV_ROLLER_MODE_INFINITE);
lv_obj_set_size(roller, lv_pct(30), lv_pct(100));
lv_group_remove_obj(roller);
rollers[i] = roller;
lv_obj_add_event_cb(roller, roller_key_cb, LV_EVENT_KEY, (void *)(uintptr_t)i);
}
}
#endif