ui: fixes bugs after unsuccessful file upload

src/draw_modal.c

@@ -5,12 +5,16 @@
 #include <widget.h>
 #include "main.h"
 
+static void (*active_callback_backup)(w_cb_args_t *) = NULL;
+
 void app_draw_modal(app_t *app) {
   if (app->modal.needs_destroy ||
       (app->query_args->state == S_WAIT_SERVER && app->modal.is_initiated)) {
     w_dialogue_destroy(&(app->modal), app);
+    app->active_callback = active_callback_backup;
   }
   if (!app->modal.is_initiated) {
+    active_callback_backup = app->active_callback;
     switch (app->query_args->state) {
     case S_ASK_SEVER_IP:
       m_asa_init(app);

src/modals/upload_props_dialogue.c

@@ -51,6 +51,7 @@ void upload_props_dialogue_modal_cb(w_cb_args_t *args) {
       FREE_MLC(app->query_args->file->name);
       FREE_MLC(app->query_args->file->path)
       FREE_MLC(app->query_args->file);
+      app->modal.needs_destroy = true;
       app->query_args->state = S_WAIT_SERVER;
       break;
     }

src/query.c

@@ -123,6 +123,7 @@ void query_loop(app_t *app) {
           w_alert("error while processing user input");
         }
       }
+      d_args.resp_data.code = cbrc_none;
     }
   }
 }
@@ -184,6 +185,11 @@ int process_query(app_t *app) {
     if (!file_upload_start(query_args)) {
       query_args->state = S_UPLOAD_FILE;
     } else {
+      if (app->query_args->file != NULL) {
+        FREE_MLC(app->query_args->file->name);
+        FREE_MLC(app->query_args->file->path)
+        FREE_MLC(app->query_args->file);
+      }
       query_args->state = WAIT_CLIENT;
     }
     break;

src/widget/checkbox.c

@@ -15,7 +15,7 @@ bool w_checkbox_default_key_action(w_cb_args_t *args) {
   w_g_el_t *g_el = args->active_el;
   w_checkbox_t *cbx = g_el->element;
   switch (key) {
-  case '\40':
+  case '\40': /* SPACE */
     cbx->value = !cbx->value;
     break;
   default:

src/widget/dialogue.c

@@ -9,6 +9,8 @@
 #include <widget.h>
 #include <widget_core.h>
 
+static void (*active_callback_backup)(w_cb_args_t *) = NULL;
+
 void incr_active_id(w_dialogue_t *d) {
   w_g_el_t *active_el = NULL;
   while (true) {
@@ -133,6 +135,8 @@ void w_dialogue_callback_default(w_cb_args_t *args) {
       new_args.element = d->g_action;
     }
     w_group_cb_default(&new_args);
+    /* copy new result to the parental structure */
+    mempcpy(&(args->resp_data), &(new_args.resp_data), sizeof(new_args.resp_data));
   }
 }