Keyboard improvements (#240)

- Renamed various keyboard functions so it's easier to differentiate hardware versus software keyboard functionality
- Created `Tactility/lvgl/Keyboard.h` as a proxy  for the internal `Gui` service.
- Implemented `tt_lvgl_keyboard.h` in `TactilityC`.

Tactility/Include/Tactility/lvgl/Keyboard.h

@@ -0,0 +1,59 @@
+#pragma once
+
+#include <lvgl.h>
+
+namespace tt::lvgl {
+
+/**
+ * Show the on-screen keyboard.
+ * @param[in] textarea the textarea to focus the input for
+ */
+void software_keyboard_show(lv_obj_t* textarea);
+
+/**
+ * Hide the on-screen keyboard.
+ * Has no effect when the keyboard is not visible.
+ */
+void software_keyboard_hide();
+
+/**
+ * The on-screen keyboard is only shown when both of these conditions are true:
+ *  - there is no hardware keyboard
+ *  - TT_CONFIG_FORCE_ONSCREEN_KEYBOARD is set to true in tactility_config.h
+ * @return if we should show a on-screen keyboard for text input inside our apps
+ */
+bool software_keyboard_is_enabled();
+
+/**
+ * Activate the keypad for a widget group.
+ * @param group
+ */
+void software_keyboard_activate(lv_group_t* group);
+
+/**
+ * Deactivate the keypad for the current widget group (if any).
+ * You don't have to call this after calling _activate() because widget
+ * cleanup automatically removes itself from the group it belongs to.
+ */
+void software_keyboard_deactivate();
+
+/**
+ * @return true if LVGL is configured with a keypad
+ */
+bool hardware_keyboard_is_available();
+
+/**
+ * Set the keypad.
+ * @param device the keypad device
+ */
+void hardware_keyboard_set_indev(lv_indev_t* device);
+
+/**
+ * Glue code for the on-screen keyboard and the hardware keyboard:
+ *  - Attach automatic hide/show parameters for the on-screen keyboard.
+ *  - Registers the textarea to the default lv_group_t for hardware keyboards.
+ * @param[in] textarea
+ */
+void keyboard_add_textarea(lv_obj_t* textarea);
+
+}

Tactility/Include/Tactility/lvgl/LvglKeypad.h

@@ -1,34 +0,0 @@
-/**
- * This code relates to the hardware keyboard support also known as "keypads" in LVGL.
- */
-#pragma once
-
-#include <lvgl.h>
-
-namespace tt::lvgl {
-
-/**
- * @return true if LVGL is configured with a keypad
- */
-bool keypad_is_available();
-
-/**
- * Set the keypad.
- * @param device the keypad device
- */
-void keypad_set_indev(lv_indev_t* device);
-
-/**
- * Activate the keypad for a widget group.
- * @param group
- */
-void keypad_activate(lv_group_t* group);
-
-/**
- * Deactivate the keypad for the current widget group (if any).
- * You don't have to call this after calling _activate() because widget
- * cleanup automatically removes itself from the group it belongs to.
- */
-void keypad_deactivate();
-
-} // namespace

Tactility/Include/Tactility/service/gui/Gui.h

@@ -1,51 +0,0 @@
-#pragma once
-
-#include "Tactility/app/AppInstance.h"
-#include "Tactility/app/AppContext.h"
-
-namespace tt::service::gui {
-
-typedef struct Gui Gui;
-
-/**
- * Set the app viewport in the gui state and request the gui to draw it.
- * @param[in] app
- */
-void showApp(std::shared_ptr<app::AppContext> app);
-
-/**
- * Hide the current app's viewport.
- * Does not request a re-draw because after hiding the current app,
- * we always show the previous app, and there is always at least 1 app running.
- */
-void hideApp();
-
-/**
- * Show the on-screen keyboard.
- * @param[in] textarea the textarea to focus the input for
- */
-void keyboardShow(lv_obj_t* textarea);
-
-/**
- * Hide the on-screen keyboard.
- * Has no effect when the keyboard is not visible.
- */
-void keyboardHide();
-
-/**
- * The on-screen keyboard is only shown when both of these conditions are true:
- *  - there is no hardware keyboard
- *  - TT_CONFIG_FORCE_ONSCREEN_KEYBOARD is set to true in tactility_config.h
- * @return if we should show a on-screen keyboard for text input inside our apps
- */
-bool keyboardIsEnabled();
-
-/**
- * Glue code for the on-screen keyboard and the hardware keyboard:
- *  - Attach automatic hide/show parameters for the on-screen keyboard.
- *  - Registers the textarea to the default lv_group_t for hardware keyboards.
- * @param[in] textarea
- */
-void keyboardAddTextArea(lv_obj_t* textarea);
-
-} // namespace