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authorjacqueline <me@jacqueline.id.au>2023-11-12 19:14:09 +1100
committerjacqueline <me@jacqueline.id.au>2023-11-12 19:14:09 +1100
commit8a0a167adbf3d9b6f8b6f16aaf20ca39ad5549de (patch)
tree02b6cf23f591915747ec2994381854a79979c4a0 /lib/luavgl/simulator/widgets/pointer.c
parent8471046a95ab9e00f7d42b56dbbc9ce3e5b424b9 (diff)
downloadtangara-fw-8a0a167adbf3d9b6f8b6f16aaf20ca39ad5549de.tar.gz
Convert the main menu screen to lua lol
Diffstat (limited to 'lib/luavgl/simulator/widgets/pointer.c')
-rw-r--r--lib/luavgl/simulator/widgets/pointer.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/lib/luavgl/simulator/widgets/pointer.c b/lib/luavgl/simulator/widgets/pointer.c
new file mode 100644
index 00000000..b1161194
--- /dev/null
+++ b/lib/luavgl/simulator/widgets/pointer.c
@@ -0,0 +1,101 @@
+#include <lauxlib.h>
+#include <lua.h>
+
+#include <lvgl.h>
+#include <stdlib.h>
+
+#include <luavgl.h>
+
+#include "lv_pointer.h"
+
+static int luavgl_pointer_create(lua_State *L)
+{
+ return luavgl_obj_create_helper(L, lv_pointer_create);
+}
+
+static void _lv_pointer_set_range(void *obj, lua_State *L)
+{
+ if (!lua_istable(L, -1)) {
+ luaL_argerror(L, -1, "expect date table.");
+ return;
+ }
+
+ uint32_t value_start, value_range, angle_start, angle_range;
+ lua_getfield(L, -1, "valueStart");
+ value_start = lua_tointeger(L, -1);
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "valueRange");
+ value_range = lua_tointeger(L, -1);
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "angleStart");
+ angle_start = lua_tointeger(L, -1);
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "angleRange");
+ angle_range = lua_tointeger(L, -1);
+ lua_pop(L, 1);
+
+ lv_pointer_set_range(obj, value_start, value_range, angle_start,
+ angle_range);
+}
+
+/* clang-format off */
+static const luavgl_value_setter_t pointer_property_table[] = {
+ {"range", SETTER_TYPE_STACK, {.setter_stack = _lv_pointer_set_range}},
+ {"value", SETTER_TYPE_INT, {.setter = (setter_int_t)lv_pointer_set_value}},
+};
+
+/* clang-format on */
+
+static int luavgl_pointer_set_property_kv(lua_State *L, void *data)
+{
+ lv_obj_t *obj = data;
+ int ret = luavgl_set_property(L, obj, pointer_property_table);
+
+ if (ret == 0) {
+ return 0;
+ }
+
+ /* a base obj property? */
+ ret = luavgl_img_set_property_kv(L, obj);
+ if (ret != 0) {
+ printf("unkown property for pointer: %s\n", lua_tostring(L, -2));
+ }
+
+ return -1;
+}
+
+static int luavgl_pointer_set(lua_State *L)
+{
+ lv_obj_t *obj = luavgl_to_obj(L, 1);
+
+ if (!lua_istable(L, -1)) {
+ luaL_error(L, "expect a table on 2nd para.");
+ return 0;
+ }
+
+ luavgl_iterate(L, -1, luavgl_pointer_set_property_kv, obj);
+
+ return 0;
+}
+
+static const luaL_Reg luavgl_pointer_methods[] = {
+ {"set", luavgl_pointer_set},
+
+ {NULL, NULL },
+};
+
+void luavgl_pointer_init(lua_State *L)
+{
+ luavgl_obj_newmetatable(L, &lv_pointer_class, "lv_pointer",
+ luavgl_pointer_methods);
+ lua_pop(L, 1);
+
+ luaL_getmetatable(L, "widgets");
+ lua_getfield(L, -1, "__index");
+ lua_pushcfunction(L, luavgl_pointer_create);
+ lua_setfield(L, -2, "Pointer");
+ lua_pop(L, 2);
+}