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fix tablayout's tabindicator's drawing

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This commit is contained in:
侯歌 2022-01-05 16:28:21 +08:00
parent e78527897f
commit a2fc876090
2 changed files with 16 additions and 7 deletions
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8
apps/samples/tablayout.cc
View File

@ -28,14 +28,16 @@ int main(int argc,const char*argv[]){
layout->setOrientation(LinearLayout::VERTICAL);
TabLayout* tab=new TabLayout(1280,36);
ViewPager*pager=new ViewPager(1280,560);
ViewPager* pager=new ViewPager(1280,560);
pager->setOffscreenPageLimit(gpAdapter->getCount());
pager->setOverScrollMode(View::OVER_SCROLL_ALWAYS);
pager->setAdapter(gpAdapter);
pager->setBackgroundColor(0xFFF3333);
tab->setSelectedTabIndicatorColor(0x8000FF00);
tab->setSelectedTabIndicatorHeight(4);
tab->setTabIndicatorGravity(Gravity::BOTTOM);//TOP/BOTTOM/CENTER_VERTICAL/FILL_VERTICAL
tab->setupWithViewPager(pager);
layout->addView(tab);
layout->addView(tab).setId(1);
layout->addView(pager).setId(10);
w->addView(layout);
w->requestLayout();

15
src/gui/widget/tablayout.cc
View File

@ -1324,7 +1324,7 @@ void TabLayout::SlidingTabStrip::draw(Canvas& canvas) {
int indicatorTop =0;
int indicatorBottom=0;
switch(mParent->getTabIndicatorGravity()&Gravity::VERTICAL_GRAVITY_MASK){
case Gravity::NO_GRAVITY:
case Gravity::BOTTOM:
indicatorTop =getHeight()-indicatorHeight;
indicatorBottom=getHeight();
break;
@ -1342,9 +1342,16 @@ void TabLayout::SlidingTabStrip::draw(Canvas& canvas) {
break;
}
if (mIndicatorLeft >= 0 && mIndicatorRight > mIndicatorLeft) {
canvas.set_color(mSelectedIndicatorColor);
canvas.rectangle(mIndicatorLeft,indicatorTop, mIndicatorRight-mIndicatorLeft,indicatorBottom-indicatorTop);
canvas.fill();
Drawable*d =mParent->mTabSelectedIndicator;
if(d){
d->setBounds(mIndicatorLeft,indicatorTop, mIndicatorRight-mIndicatorLeft,indicatorBottom-indicatorTop);
d->setColorFilter(mSelectedIndicatorColor,PorterDuffMode::SRC_IN);
d->draw(canvas);
}else{
canvas.set_color(mSelectedIndicatorColor);
canvas.rectangle(mIndicatorLeft,indicatorTop, mIndicatorRight-mIndicatorLeft,indicatorBottom-indicatorTop);
canvas.fill();
}
}
}