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authoralberth <alberth@openttd.org>2011-01-15 19:54:53 +0000
committeralberth <alberth@openttd.org>2011-01-15 19:54:53 +0000
commita1df4bea6829c1785e8122c3adc915fa3c09964c (patch)
treef1c8b2c9f1791141a9aa7b138f09e2f91ef0534b /src
parent89f245ab2f08d50383b2cb58d955a9c78d70bcfd (diff)
downloadopenttd-a1df4bea6829c1785e8122c3adc915fa3c09964c.tar.xz
(svn r21812) -Fix (r21754): Don't try to scroll the matrix widget to position -1.
Diffstat (limited to 'src')
-rw-r--r--src/widget.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/widget.cpp b/src/widget.cpp
index 84fdadbb8..44bdb91d8 100644
--- a/src/widget.cpp
+++ b/src/widget.cpp
@@ -1374,7 +1374,7 @@ void NWidgetMatrix::SetColour(Colours colour)
void NWidgetMatrix::SetClicked(int clicked)
{
this->clicked = clicked;
- if (this->sb != NULL && this->widgets_x != 0) {
+ if (this->clicked >= 0 && this->sb != NULL && this->widgets_x != 0) {
int vpos = (this->clicked / this->widgets_x) * this->widget_h; // Vertical position of the top.
/* Need to scroll down -> Scroll to the bottom.
* However, last entry has no 'this->pip_inter' underneath, and we must stay below this->sb->GetCount() */