Mercurial > hg > openttd

changeset 17017:866761010474 draft

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
(svn r21754) -Codechange: Scroll the matrix widget to make a clicked entry fully visible.
author alberth <alberth@openttd.org>
date Sun, 09 Jan 2011 15:25:33 +0000
parents c36bd970776f
children f7ae25ac75a5
files src/widget.cpp
diffstat 1 files changed, 7 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/src/widget.cpp
+++ b/src/widget.cpp
@@ -1374,6 +1374,13 @@
 void NWidgetMatrix::SetClicked(int clicked)
 {
 	this->clicked = clicked;
+	if (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() */
+		if (this->sb->GetPosition() < vpos) vpos += this->widget_h - this->pip_inter - 1;
+		this->sb->ScrollTowards(vpos);
+	}
 }
 
 /**