Migrate TactilityC and LVGL functionality (#588)

lvgl-module

- Move and rename source and include files
- Fix bug with missing lvgl unlock
- New widgets: spinner, toolbar, sliderbox

TactilityC

- Removed tt_lock, tt_lvgl_\*

Modules/lvgl-module/include/lvgl/widgets/sliderbox.h

@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: Apache-2.0
+#pragma once
+
+#include <lvgl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Create a SliderBox: a slider flanked by "-" and "+" buttons with a value label.
+ * @param[in] parent the parent object
+ * @param[in] min minimum value (inclusive)
+ * @param[in] max maximum value (inclusive)
+ * @param[in] step the amount each +/- button press changes the value by
+ * @param[in] value the initial value
+ * @return the created SliderBox instance
+ */
+lv_obj_t* lvgl_sliderbox_create(lv_obj_t* parent, int32_t min, int32_t max, int32_t step, int32_t value);
+
+/** @return the current value of the SliderBox */
+int32_t lvgl_sliderbox_get_value(lv_obj_t* obj);
+
+/**
+ * Set the current value of the SliderBox (clamped to its [min, max] range).
+ * Updates the slider position and the value label.
+ */
+void lvgl_sliderbox_set_value(lv_obj_t* obj, int32_t value, lv_anim_enable_t anim);
+
+/**
+ * Register a callback that is fired with LV_EVENT_VALUE_CHANGED whenever the value
+ * changes, whether the change came from the slider or from the +/- buttons.
+ * @param[in] obj the SliderBox instance
+ * @param[in] callback the callback to invoke
+ * @param[in] userData user data that is attached to the event
+ */
+void lvgl_sliderbox_add_value_changed_cb(lv_obj_t* obj, lv_event_cb_t callback, void* userData);
+
+#ifdef __cplusplus
+}
+#endif

Modules/lvgl-module/include/lvgl/widgets/spinner.h

@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: Apache-2.0
+#pragma once
+
+#include <lvgl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Creates the Tactility spinner widget.
+ * @param[in] parent the parent object for the new spinner
+ * @return the created spinner
+ */
+lv_obj_t* lvgl_spinner_create(lv_obj_t* parent);
+
+#ifdef __cplusplus
+}
+#endif

Modules/lvgl-module/include/lvgl/widgets/toolbar.h

@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: Apache-2.0
+#pragma once
+
+#include <lvgl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define TOOLBAR_ACTION_LIMIT 4
+
+/** Configuration for toolbar-wide defaults */
+typedef struct {
+    /** Callback invoked when a toolbar's default navigation (top-left) button is pressed */
+    lv_event_cb_t nav_action_callback;
+} ToolbarConfig;
+
+/**
+ * @brief Configure toolbar-wide defaults. Must be called before any toolbar is created (e.g. during LVGL startup).
+ * @param[in] config the configuration to apply
+ */
+void lvgl_toolbar_configure(const ToolbarConfig* config);
+
+/**
+ * @brief Create a toolbar widget with the given title.
+ * @param[in] parent the parent object for the new toolbar
+ * @param[in] title the toolbar title
+ * @return the created toolbar
+ */
+lv_obj_t* lvgl_toolbar_create(lv_obj_t* parent, const char* title);
+
+/** Sets the toolbar title */
+void lvgl_toolbar_set_title(lv_obj_t* obj, const char* title);
+
+/**
+ * Sets the navigation action of the toolbar (button on the top-left)
+ * @param[in] obj the toolbar instance
+ * @param[in] icon the icon to set on the button
+ * @param[in] callback the callback for the click action of the button
+ * @param[in] userData the user data that is attached to the callback event object
+ */
+void lvgl_toolbar_set_nav_action(lv_obj_t* obj, const char* icon, lv_event_cb_t callback, void* userData);
+
+/**
+ * Create and add an action button with an image to the toolbar (aligned to the right of the toolbar)
+ * @param[in] obj the toolbar instance
+ * @param[in] imagePath the path to an image file to shown on the button
+ * @param[in] callback the callback for the click action of the button
+ * @param[in] callbackUserData the user data that is passed to the callback
+ * @return an lv_button instance
+ */
+lv_obj_t* lvgl_toolbar_add_image_button_action(lv_obj_t* obj, const char* imagePath, lv_event_cb_t callback, void* callbackUserData);
+
+/**
+ * Create and add an action button with text to the toolbar (aligned to the right of the toolbar)
+ * @param[in] obj the toolbar instance
+ * @param[in] text the button text
+ * @param[in] callback the callback for the click action of the button
+ * @param[in] callbackUserData the user data that is passed to the callback
+ * @return an lv_button instance
+ */
+lv_obj_t* lvgl_toolbar_add_text_button_action(lv_obj_t* obj, const char* text, lv_event_cb_t callback, void* callbackUserData);
+
+/**
+ * Create and add a switch to the toolbar actions.
+ * @param[in] obj the toolbar instance
+ * @return an instance created by lv_switch_create()
+ */
+lv_obj_t* lvgl_toolbar_add_switch_action(lv_obj_t* obj);
+
+/**
+ * Create and add a spinner to the toolbar actions.
+ * @param[in] obj the toolbar instance
+ * @return an instance created by lvgl_spinner_create()
+ */
+lv_obj_t* lvgl_toolbar_add_spinner_action(lv_obj_t* obj);
+
+/**
+ * Remove all actions from the toolbar
+ * @param[in] obj the toolbar instance
+ */
+void lvgl_toolbar_clear_actions(lv_obj_t* obj);
+
+#ifdef __cplusplus
+}
+#endif