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Add rpl::take(count).

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This commit is contained in:
John Preston
2017-10-01 12:39:07 +03:00
parent f0ad78d808
commit c4d33f9986
9 changed files with 135 additions and 18 deletions
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12
Telegram/SourceFiles/ui/abstract_button.cpp
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@@ -20,8 +20,20 @@ Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#include "ui/abstract_button.h"
#include <rpl/filter.h>
#include <rpl/mappers.h>
namespace Ui {
AbstractButton::AbstractButton(QWidget *parent) : RpWidget(parent) {
setMouseTracking(true);
using namespace rpl::mappers;
shownValue()
| rpl::filter($1 == false)
| rpl::start_with_next([this] { clearState(); }, lifetime());
}
void AbstractButton::leaveEventHook(QEvent *e) {
if (_state & StateFlag::Down) return;