diff options
Diffstat (limited to 'src/window_gui.h')
-rw-r--r-- | src/window_gui.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/window_gui.h b/src/window_gui.h index 97dccfd4c..2276092cb 100644 --- a/src/window_gui.h +++ b/src/window_gui.h @@ -218,6 +218,16 @@ public: } /** + * Checks whether given current item is visible in the list + * @param item to check + * @return true iff the item is visible + */ + FORCEINLINE bool IsVisible(uint16 item) const + { + return IsInsideBS(item, this->GetPosition(), this->GetCapacity()); + } + + /** * Sets the number of elements in the list * @param num the number of elements in the list * @note updates the position if needed @@ -264,7 +274,7 @@ public: void SetPosition(int position) { assert(position >= 0); - assert(this->count <= this->cap ? (position == 0) : (position + this->cap < this->count)); + assert(this->count <= this->cap ? (position == 0) : (position + this->cap <= this->count)); this->pos = position; } |