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Merged in mattbrejza/ugfx/list_toggle_scroll (pull request #23)

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Added ability for List to scroll when navigted via toggle
This commit is contained in:
Andrew Hannam 2016-07-09 17:27:44 +10:00
commit ed9b268d5b
1 changed files with 17 additions and 0 deletions
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17
src/gwin/gwin_list.c
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@ -183,6 +183,9 @@ static void sendListEvent(GWidgetObject *gw, int item) {
const gfxQueueASyncItem * qi;
const gfxQueueASyncItem * qix;
int i;
coord_t iheight;
iheight = gdispGetFontMetric(gw->g.font, fontHeight) + LST_VERT_PAD;
switch (role) {
// select down
@ -193,6 +196,12 @@ static void sendListEvent(GWidgetObject *gw, int item) {
if (qix) {
qi2li->flags &=~ GLIST_FLG_SELECTED;
qix2li->flags |= GLIST_FLG_SELECTED;
//if we need to scroll down
if (((i+2)*iheight - gw2obj->top) > gw->g.height){
gw2obj->top += iheight;
}
_gwinUpdate(&gw->g);
}
break;
@ -210,6 +219,14 @@ static void sendListEvent(GWidgetObject *gw, int item) {
if (qix) {
qi2li->flags &=~ GLIST_FLG_SELECTED;
qix2li->flags |= GLIST_FLG_SELECTED;
//if we need to scroll up
if (((i-1)*iheight) < gw2obj->top){
gw2obj->top -= iheight;
if (gw2obj->top < 0)
gw2obj->top = 0;
}
_gwinUpdate(&gw->g);
}
break;