cpp/openttd-patchpack/source Changeset - r13767:c61ac7ca125e

Changeset - r13767:c61ac7ca125e

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frosch - 15 years ago 2009-11-26 22:46:13
frosch@openttd.org

(svn r18303) -Fix: Widget indices are valid when >= 0.

1 file changed with 2 insertions and 2 deletions:

src/widget.cpp

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src/widget.cpp

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@@ @@ -1589,7 +1589,7 @@ NWidgetCore *NWidgetBackground::GetWidge @@
 Scrollbar *NWidgetBackground::FindScrollbar(Window *w, bool allow_next) const
+{
 	if (this->index > 0 && allow_next && this->child == NULL && (uint)(this->index) + 1 < w->nested_array_size) {
+	if (this->index >= 0 && allow_next && this->child == NULL && (uint)(this->index) + 1 < w->nested_array_size) {
 		const NWidgetCore *next_wid = w->GetWidget<NWidgetCore>(this->index + 1);
 		if (next_wid != NULL) return next_wid->FindScrollbar(w, false);
+	}
@@ @@ -2058,7 +2058,7 @@ Scrollbar *NWidgetLeaf::FindScrollbar(Wi @@
 	if (this->type == WWT_SCROLLBAR) return &w->vscroll;
 	if (this->type == WWT_SCROLL2BAR) return &w->vscroll2;
 	if (this->index > 0 && allow_next && (uint)(this->index) + 1 < w->nested_array_size) {
+	if (this->index >= 0 && allow_next && (uint)(this->index) + 1 < w->nested_array_size) {
 		const NWidgetCore *next_wid = w->GetWidget<NWidgetCore>(this->index + 1);
 		if (next_wid != NULL) return next_wid->FindScrollbar(w, false);
+	}

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