convert lvgl from submodule to a plain old directory

2 files changed, 254 insertions, 0 deletions

diff --git a/lib/lvgl b/lib/lvgl
deleted file mode 160000
-Subproject 0732400e7b564dd0e7dc4a924619d8e19c5b23a
diff --git a/lib/lvgl/src/widgets/lv_dropdown.h b/lib/lvgl/src/widgets/lv_dropdown.h
new file mode 100644
index 00000000..0c55e862
--- /dev/null
+++ b/lib/lvgl/src/widgets/lv_dropdown.h
@@ -0,0 +1,254 @@
+/**
+ * @file lv_dropdown.h
+ *
+ */
+
+#ifndef LV_DROPDOWN_H
+#define LV_DROPDOWN_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "../lv_conf_internal.h"
+
+#if LV_USE_DROPDOWN != 0
+
+/*Testing of dependencies*/
+
+#if LV_USE_LABEL == 0
+#error "lv_dropdown: lv_label is required. Enable it in lv_conf.h (LV_USE_LABEL 1)"
+#endif
+
+#include "../widgets/lv_label.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+#define LV_DROPDOWN_POS_LAST 0xFFFF
+LV_EXPORT_CONST_INT(LV_DROPDOWN_POS_LAST);
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+typedef struct {
+    lv_obj_t obj;
+    lv_obj_t * list;                /**< The dropped down list*/
+    const char * text;              /**< Text to display on the dropdown's button*/
+    const void * symbol;            /**< Arrow or other icon when the drop-down list is closed*/
+    char * options;                 /**< Options in a '\n' separated list*/
+    uint16_t option_cnt;            /**< Number of options*/
+    uint16_t sel_opt_id;            /**< Index of the currently selected option*/
+    uint16_t sel_opt_id_orig;       /**< Store the original index on focus*/
+    uint16_t pr_opt_id;             /**< Index of the currently pressed option*/
+    lv_dir_t dir              : 4;  /**< Direction in which the list should open*/
+    uint8_t static_txt        : 1;  /**< 1: Only a pointer is saved in `options`*/
+    uint8_t selected_highlight: 1;  /**< 1: Make the selected option highlighted in the list*/
+} lv_dropdown_t;
+
+typedef struct {
+    lv_obj_t obj;
+    lv_obj_t * dropdown;
+} lv_dropdown_list_t;
+
+extern const  lv_obj_class_t lv_dropdown_class;
+extern const  lv_obj_class_t lv_dropdownlist_class;
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+/**
+ * Create a drop-down list object
+ * @param parent pointer to an object, it will be the parent of the new drop-down list
+ * @return pointer to the created drop-down list
+ */
+lv_obj_t * lv_dropdown_create(lv_obj_t * parent);
+
+/*=====================
+ * Setter functions
+ *====================*/
+
+/**
+ * Set text of the drop-down list's button.
+ * If set to `NULL` the selected option's text will be displayed on the button.
+ * If set to a specific text then that text will be shown regardless of the selected option.
+ * @param obj       pointer to a drop-down list object
+ * @param txt       the text as a string (Only its pointer is saved)
+ */
+void lv_dropdown_set_text(lv_obj_t * obj, const char * txt);
+
+/**
+ * Set the options in a drop-down list from a string.
+ * The options will be copied and saved in the object so the `options` can be destroyed after calling this function
+ * @param obj       pointer to drop-down list object
+ * @param options   a string with '\n' separated options. E.g. "One\nTwo\nThree"
+ */
+void lv_dropdown_set_options(lv_obj_t * obj, const char * options);
+
+/**
+ * Set the options in a drop-down list from a static string (global, static or dynamically allocated).
+ * Only the pointer of the option string will be saved.
+ * @param obj       pointer to drop-down list object
+ * @param options   a static string with '\n' separated options. E.g. "One\nTwo\nThree"
+ */
+void lv_dropdown_set_options_static(lv_obj_t * obj, const char * options);
+
+/**
+ * Add an options to a drop-down list from a string.  Only works for non-static options.
+ * @param obj       pointer to drop-down list object
+ * @param option    a string without '\n'. E.g. "Four"
+ * @param pos       the insert position, indexed from 0, LV_DROPDOWN_POS_LAST = end of string
+ */
+void lv_dropdown_add_option(lv_obj_t * obj, const char * option, uint32_t pos);
+
+/**
+ * Clear all options in a drop-down list.  Works with both static and dynamic options.
+ * @param obj       pointer to drop-down list object
+ */
+void lv_dropdown_clear_options(lv_obj_t * obj);
+
+/**
+ * Set the selected option
+ * @param obj       pointer to drop-down list object
+ * @param sel_opt   id of the selected option (0 ... number of option - 1);
+ */
+void lv_dropdown_set_selected(lv_obj_t * obj, uint16_t sel_opt);
+
+/**
+ * Set the direction of the a drop-down list
+ * @param obj       pointer to a drop-down list object
+ * @param dir       LV_DIR_LEFT/RIGHT/TOP/BOTTOM
+ */
+void lv_dropdown_set_dir(lv_obj_t * obj, lv_dir_t dir);
+
+/**
+ * Set an arrow or other symbol to display when on drop-down list's button. Typically a down caret or arrow.
+ * @param obj       pointer to drop-down list object
+ * @param symbol    a text like `LV_SYMBOL_DOWN`, an image (pointer or path) or NULL to not draw symbol icon
+ * @note angle and zoom transformation can be applied if the symbol is an image.
+ * E.g. when drop down is checked (opened) rotate the symbol by 180 degree
+ */
+void lv_dropdown_set_symbol(lv_obj_t * obj, const void * symbol);
+
+/**
+ * Set whether the selected option in the list should be highlighted or not
+ * @param obj       pointer to drop-down list object
+ * @param en        true: highlight enabled; false: disabled
+ */
+void lv_dropdown_set_selected_highlight(lv_obj_t * obj, bool en);
+
+/*=====================
+ * Getter functions
+ *====================*/
+
+/**
+ * Get the list of a drop-down to allow styling or other modifications
+ * @param obj       pointer to a drop-down list object
+ * @return          pointer to the list of the drop-down
+ */
+lv_obj_t * lv_dropdown_get_list(lv_obj_t * obj);
+
+/**
+ * Get text of the drop-down list's button.
+ * @param obj   pointer to a drop-down list object
+ * @return      the text as string, `NULL` if no text
+ */
+const char * lv_dropdown_get_text(lv_obj_t * obj);
+
+/**
+ * Get the options of a drop-down list
+ * @param obj       pointer to drop-down list object
+ * @return          the options separated by '\n'-s (E.g. "Option1\nOption2\nOption3")
+ */
+const char * lv_dropdown_get_options(const lv_obj_t * obj);
+
+/**
+ * Get the index of the selected option
+ * @param obj       pointer to drop-down list object
+ * @return          index of the selected option (0 ... number of option - 1);
+ */
+uint16_t lv_dropdown_get_selected(const lv_obj_t * obj);
+
+/**
+ * Get the total number of options
+ * @param obj       pointer to drop-down list object
+ * @return          the total number of options in the list
+ */
+uint16_t lv_dropdown_get_option_cnt(const lv_obj_t * obj);
+
+/**
+ * Get the current selected option as a string
+ * @param obj       pointer to drop-down object
+ * @param buf       pointer to an array to store the string
+ * @param buf_size  size of `buf` in bytes. 0: to ignore it.
+ */
+void lv_dropdown_get_selected_str(const lv_obj_t * obj, char * buf, uint32_t buf_size);
+
+/**
+ * Get the index of an option.
+ * @param obj       pointer to drop-down object
+ * @param option    an option as string
+ * @return          index of `option` in the list of all options. -1 if not found.
+ */
+int32_t lv_dropdown_get_option_index(lv_obj_t * obj, const char * option);
+
+/**
+ * Get the symbol on the drop-down list. Typically a down caret or arrow.
+ * @param obj       pointer to drop-down list object
+ * @return          the symbol or NULL if not enabled
+ */
+const char * lv_dropdown_get_symbol(lv_obj_t * obj);
+
+/**
+ * Get whether the selected option in the list should be highlighted or not
+ * @param obj       pointer to drop-down list object
+ * @return          true: highlight enabled; false: disabled
+ */
+bool lv_dropdown_get_selected_highlight(lv_obj_t * obj);
+
+/**
+ * Get the direction of the drop-down list
+ * @param obj       pointer to a drop-down list object
+ * @return          LV_DIR_LEF/RIGHT/TOP/BOTTOM
+ */
+lv_dir_t lv_dropdown_get_dir(const lv_obj_t * obj);
+
+/*=====================
+ * Other functions
+ *====================*/
+
+/**
+ * Open the drop.down list
+ * @param obj       pointer to drop-down list object
+ */
+void lv_dropdown_open(lv_obj_t * dropdown_obj);
+
+/**
+ * Close (Collapse) the drop-down list
+ * @param obj       pointer to drop-down list object
+ */
+void lv_dropdown_close(lv_obj_t * obj);
+
+/**
+ * Tells whether the list is opened or not
+ * @param obj       pointer to a drop-down list object
+ * @return          true if the list os opened
+ */
+bool lv_dropdown_is_open(lv_obj_t * obj);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#endif /*LV_USE_DROPDOWN*/
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*LV_DROPDOWN_H*/