Add config option to disable input sources

config.c

@@ -85,6 +85,9 @@ static void init_opts(ul_config_opts *opts) {
     opts->textarea.bullet = LV_SYMBOL_BULLET;
     opts->theme.default_id = UL_THEMES_THEME_BREEZY_DARK;
     opts->theme.alternate_id = UL_THEMES_THEME_BREEZY_LIGHT;
+    opts->input.keyboard = true;
+    opts->input.pointer = true;
+    opts->input.touchscreen = true;
 }
 
 static void parse_file(const char *path, ul_config_opts *opts) {
@@ -133,8 +136,7 @@ static int parsing_handler(void* user_data, const char* section, const char* key
             if (parse_bool(value, &(opts->textarea.obscured))) {
                 return 1;
             }
-        }
-        if (strcmp(key, "bullet") == 0) {
+        } else if (strcmp(key, "bullet") == 0) {
             char *bullet = strdup(value);
             if (bullet) {
                 opts->textarea.bullet = bullet;
@@ -155,6 +157,20 @@ static int parsing_handler(void* user_data, const char* section, const char* key
                 return 1;
             }
         }
+    } else if (strcmp(section, "input") == 0) {
+        if (strcmp(key, "keyboard") == 0) {
+            if (parse_bool(value, &(opts->input.keyboard))) {
+                return 1;
+            }
+        } else if (strcmp(key, "pointer") == 0) {
+            if (parse_bool(value, &(opts->input.pointer))) {
+                return 1;
+            }
+        } else if (strcmp(key, "touchscreen") == 0) {
+            if (parse_bool(value, &(opts->input.touchscreen))) {
+                return 1;
+            }
+        }
     }
 
     ul_log(UL_LOG_LEVEL_ERROR, "Ignoring invalid config value \"%s\" for key \"%s\" in section \"%s\"", value, key, section);

config.h

@@ -74,6 +74,18 @@ typedef struct {
     ul_themes_theme_id_t alternate_id;
 } ul_config_opts_theme;
 
+/**
+ * Options related to input devices
+ */
+typedef struct {
+    /* If true and a keyboard device is connected, use it for input */
+    bool keyboard;
+    /* If true and a pointer device is connected, use it for input */
+    bool pointer;
+    /* If true and a touchscreen device is connected, use it for input */
+    bool touchscreen;
+} ul_config_opts_input;
+
 /**
  * Options parsed from config file(s)
  */
@@ -86,6 +98,8 @@ typedef struct {
     ul_config_opts_textarea textarea;
     /* Options related to the theme */
     ul_config_opts_theme theme;
+    /* Options related to input devices */
+    ul_config_opts_input input;
 } ul_config_opts;
 
 /**

indev.c

@@ -154,13 +154,19 @@ static void libinput_read_cb(lv_indev_drv_t *indev_drv, lv_indev_data_t *data) {
  * Public functions
  */
 
-void ul_indev_auto_connect() {
-    auto_connect(LIBINPUT_CAPABILITY_KEYBOARD, MAX_KEYBOARD_DEVS, &num_keyboard_devs, keyboard_devs, keyboard_indevs,
-                 keyboard_indev_drvs, keyboard_drv_states);
-    auto_connect(LIBINPUT_CAPABILITY_POINTER, MAX_POINTER_DEVS, &num_pointer_devs, pointer_devs, pointer_indevs,
-                 pointer_indev_drvs, pointer_drv_states);
-    auto_connect(LIBINPUT_CAPABILITY_TOUCH, MAX_TOUCHSCREEN_DEVS, &num_touchscreen_devs, touchscreen_devs, touchscreen_indevs,
-                 touchscreen_indev_drvs, touchscreen_drv_states);
+void ul_indev_auto_connect(bool keyboard, bool pointer, bool touchscreen) {
+    if (keyboard) {
+        auto_connect(LIBINPUT_CAPABILITY_KEYBOARD, MAX_KEYBOARD_DEVS, &num_keyboard_devs, keyboard_devs, keyboard_indevs,
+            keyboard_indev_drvs, keyboard_drv_states);
+    }
+    if (pointer) {
+        auto_connect(LIBINPUT_CAPABILITY_POINTER, MAX_POINTER_DEVS, &num_pointer_devs, pointer_devs, pointer_indevs,
+            pointer_indev_drvs, pointer_drv_states);
+    }
+    if (touchscreen) {
+        auto_connect(LIBINPUT_CAPABILITY_TOUCH, MAX_TOUCHSCREEN_DEVS, &num_touchscreen_devs, touchscreen_devs, touchscreen_indevs,
+            touchscreen_indev_drvs, touchscreen_drv_states);
+    }
 }
 
 bool ul_indev_is_keyboard_connected() {
@@ -181,6 +187,9 @@ void ul_indev_set_up_textarea_for_keyboard_input(lv_obj_t *textarea) {
 }
 
 void ul_indev_set_up_mouse_cursor() {
+    if (num_pointer_devs == 0) {
+        return;
+    }
     lv_obj_t *cursor_obj = lv_img_create(lv_scr_act());
     lv_img_set_src(cursor_obj, &ul_cursor_img_dsc);
     for (int i = 0; i < num_pointer_devs; ++i) {

indev.h

@@ -27,8 +27,12 @@
 
 /**
  * Auto-connect currently available keyboard, pointer and touchscreen input devices.
+ *
+ * @param keyboard if true, auto-connect keyboard devices
+ * @param pointer if true, auto-connect pointer devices
+ * @param touchscreen if true, auto-connect touchscreen devices
  */
-void ul_indev_auto_connect();
+void ul_indev_auto_connect(bool keyboard, bool pointer, bool touchscreen);
 
 /**
  * Check if any keyboard devices are connected.

main.c

@@ -416,7 +416,7 @@ int main(int argc, char *argv[]) {
     lv_disp_drv_register(&disp_drv);
 
     /* Connect input devices */
-    ul_indev_auto_connect();
+    ul_indev_auto_connect(conf_opts.input.keyboard, conf_opts.input.pointer, conf_opts.input.touchscreen);
     ul_indev_set_up_mouse_cursor();
 
     /* Hide the on-screen keyboard by default if a physical keyboard is connected */

unl0kr.conf

@@ -15,3 +15,8 @@ obscured=true
 [theme]
 default=breezy-dark
 alternate=breezy-light
+
+#[input]
+#keyboard=false
+#pointer=false
+#touchscreen=false