Refactor app loading and window management (#609)

TactilityC/Include/tt_app_selectiondialog.h

@@ -1,7 +1,6 @@
 #pragma once
 
-#include "tt_app.h"
-#include "tt_bundle.h"
+#include <app/manager.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -9,15 +8,13 @@ extern "C" {
 
 /**
  * Start an app that displays a list of items and allows the user to select one.
+ * @param[in] parent_id parent app ID or 0
  * @param[in] title the title to show in the toolbar
  * @param[in] argc the amount of items that the list contains
  * @param[in] argv the labels of the items in the list
- * @return the launch ID of the dialog, which can be compared in onResult to identify the source
+ * @return the app instance ID of the dialog, which can be compared in onResult to identify the source
  */
-AppLaunchId tt_app_selectiondialog_start(const char* title, int argc, const char* argv[]);
-
-/** @return the index of the item that was clicked by the user, or -1 when the user didn't select anything */
-int32_t tt_app_selectiondialog_get_result_index(BundleHandle handle);
+AppInstanceId tt_app_selectiondialog_start(AppInstanceId parent_id, const char* title, int argc, const char* argv[]);
 
 #ifdef __cplusplus
 }