prevent problems if deleting backups while scrolled to the max

LiquidFenrir · LiquidFenrir · commit e49aff7039cc · 2018-01-15T18:52:32.000+01:00
diff --git a/source/blocks.cpp b/source/blocks.cpp
@@ -254,7 +254,7 @@ void slots_list::draw_list(void)
     buttons[BUTTON_ARROW_DOWN].draw();
 
     const unsigned int names_per_screen = 7;
-    if(this->selected_backup == this->scroll-1)
+    if(this->selected_backup == this->scroll-1 || this->backups.size()-this->scroll+1 < names_per_screen)
         this->scroll--;
     else if(this->backups.size()-this->scroll >= names_per_screen)
     {

Original file line number	Diff line number	Diff line change
`@@ -254,7 +254,7 @@ void slots_list::draw_list(void)`
`254`	`254`	`buttons[BUTTON_ARROW_DOWN].draw();`
`255`	`255`
`256`	`256`	`const unsigned int names_per_screen = 7;`
`257`		`- if(this->selected_backup == this->scroll-1)`
	`257`	`+ if(this->selected_backup == this->scroll-1 \|\| this->backups.size()-this->scroll+1 < names_per_screen)`
`258`	`258`	`this->scroll--;`
`259`	`259`	`else if(this->backups.size()-this->scroll >= names_per_screen)`
`260`	`260`	`{`