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Fix crash when scrolling in a filter view with no processes. Closes #76.

This commit is contained in:
Hisham Muhammad 2014-05-03 18:08:46 -03:00
parent 7f92c58916
commit 4939468df0
1 changed files with 10 additions and 4 deletions
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14
Panel.c
View File

@ -234,7 +234,9 @@ int Panel_size(Panel* this) {
void Panel_setSelected(Panel* this, int selected) {
assert (this != NULL);
selected = MAX(0, MIN(Vector_size(this->items) - 1, selected));
selected = MIN(Vector_size(this->items) - 1, selected);
if (selected < 0)
selected = 0;
this->selected = selected;
if (Panel_eventHandlerFn(this)) {
Panel_eventHandler(this, EVENT_SETSELECTED);
@ -260,12 +262,14 @@ void Panel_draw(Panel* this, bool focus) {
}
if (this->selected >= last) {
last = MIN(itemCount, this->selected + 1);
first = MAX(0, last - this->h);
first = last - this->h;
this->scrollV = first;
this->needsRedraw = true;
}
assert(first >= 0);
assert(last <= itemCount);
if (first < 0)
first = 0;
if (last > itemCount)
last = itemCount;
int headerLen = RichString_sizeVal(this->header);
if (headerLen > 0) {
@ -398,6 +402,8 @@ bool Panel_onKey(Panel* this, int key) {
case KEY_NPAGE:
this->selected += (this->h - 1);
int size = Vector_size(this->items);
if (this->selected < 0)
this->selected = 0;
if (this->selected >= size)
this->selected = size - 1;
this->scrollV += (this->h - 1);