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fix possible segfault and negative height

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This commit is contained in:
Jacek Jendrzej
2016-10-31 15:53:29 +01:00
parent 5804ed2d3a
commit b8849d53b5
4 changed files with 16 additions and 1 deletions
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4
src/gui/components/cc_frm_scrollbar.cpp
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@@ -136,6 +136,8 @@ void CComponentsScrollBar::initSegments()
//calculate height of segment container
int h_seg_obj = height - 2*sb_up_obj->getHeight() - 3*append_y_offset;
if(h_seg_obj < 0)
h_seg_obj = 0;
//init segment container
if (sb_segments_obj == NULL){
@@ -154,6 +156,8 @@ void CComponentsScrollBar::initSegments()
//set y position of 1st segment and set height of segments
int y_seg = 1+ append_y_offset;
int h_seg = sb_segments_obj->getHeight()/sb_segments_count - append_y_offset;
if(h_seg < 0)
h_seg = 0;
//create and add segments to segment container
for(u_int8_t i=0; i<sb_segments_count; i++){