Subghz app example (#365)

* Gui: ported submenu and view_dispatcher_remove_view from iButton branch

* App gui-test: use backported submenu api

* App subghz: initial commit

* App subghz: syntax fix

* App gui-test: fix submenu callback

* App subghz: add subfolders to build

* Gui view: c++ verison of with_view_model

* Subghz app: simple spectrum settings view

* Subghz app: add spectrum settings view to view manager

* Subghz app: spectrum settings scene

Co-authored-by: coreglitch <mail@s3f.ru>

applications/gui/modules/submenu.c

@@ -5,6 +5,7 @@
 
 struct SubmenuItem {
     const char* label;
+    uint32_t index;
     SubmenuItemCallback callback;
     void* callback_context;
 };
@@ -108,6 +109,7 @@ Submenu* submenu_alloc() {
         submenu->view, (SubmenuModel * model) {
             SubmenuItemArray_init(model->items);
             model->position = 0;
+            model->window_position = 0;
             return true;
         });
 
@@ -134,6 +136,7 @@ View* submenu_get_view(Submenu* submenu) {
 SubmenuItem* submenu_add_item(
     Submenu* submenu,
     const char* label,
+    uint32_t index,
     SubmenuItemCallback callback,
     void* callback_context) {
     SubmenuItem* item = NULL;
@@ -144,6 +147,7 @@ SubmenuItem* submenu_add_item(
         submenu->view, (SubmenuModel * model) {
             item = SubmenuItemArray_push_new(model->items);
             item->label = label;
+            item->index = index;
             item->callback = callback;
             item->callback_context = callback_context;
             return true;
@@ -152,6 +156,18 @@ SubmenuItem* submenu_add_item(
     return item;
 }
 
+void submenu_clean(Submenu* submenu) {
+    furi_assert(submenu);
+
+    with_view_model(
+        submenu->view, (SubmenuModel * model) {
+            SubmenuItemArray_clean(model->items);
+            model->position = 0;
+            model->window_position = 0;
+            return true;
+        });
+}
+
 void submenu_process_up(Submenu* submenu) {
     with_view_model(
         submenu->view, (SubmenuModel * model) {
@@ -162,7 +178,9 @@ void submenu_process_up(Submenu* submenu) {
                 }
             } else {
                 model->position = SubmenuItemArray_size(model->items) - 1;
-                model->window_position = model->position - 3;
+                if(model->position > 3) {
+                    model->window_position = model->position - 3;
+                }
             }
             return true;
         });
@@ -197,6 +215,6 @@ void submenu_process_ok(Submenu* submenu) {
         });
 
     if(item && item->callback) {
-        item->callback(item->callback_context);
+        item->callback(item->callback_context, item->index);
     }
 }

applications/gui/modules/submenu.h

@@ -1,10 +1,14 @@
 #pragma once
 #include <gui/view.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Submenu anonymous structure */
 typedef struct Submenu Submenu;
 typedef struct SubmenuItem SubmenuItem;
-typedef void (*SubmenuItemCallback)(void* context);
+typedef void (*SubmenuItemCallback)(void* context, uint32_t index);
 
 /* Allocate and initialize submenu
  * This submenu is used to select one option
@@ -25,6 +29,7 @@ View* submenu_get_view(Submenu* submenu);
 /* Add item to submenu
  * @param submenu - Submenu instance
  * @param label - menu item label
+ * @param index - menu item index, used for callback, may be the same with other items
  * @param callback - menu item callback
  * @param callback_context - menu item callback context
  * @return SubmenuItem instance that can be used to modify or delete that item
@@ -32,5 +37,15 @@ View* submenu_get_view(Submenu* submenu);
 SubmenuItem* submenu_add_item(
     Submenu* submenu,
     const char* label,
+    uint32_t index,
     SubmenuItemCallback callback,
-    void* callback_context);
+    void* callback_context);
+
+/* Remove all items from submenu
+ * @param submenu - Submenu instance
+ */
+void submenu_clean(Submenu* submenu);
+
+#ifdef __cplusplus
+}
+#endif