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Added utils for variant text.

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This commit is contained in:
23rd 2022-02-28 08:07:08 +03:00
parent 5214f96bba
commit 6392af756f
3 changed files with 78 additions and 0 deletions
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2
CMakeLists.txt
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@ -149,6 +149,8 @@ PRIVATE
ui/text/text_isolated_emoji.h
ui/text/text_utilities.cpp
ui/text/text_utilities.h
ui/text/text_variant.cpp
ui/text/text_variant.h
ui/toast/toast.cpp
ui/toast/toast.h
ui/toast/toast_manager.cpp

48
ui/text/text_variant.cpp Normal file
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@ -0,0 +1,48 @@
// This file is part of Desktop App Toolkit,
// a set of libraries for developing nice desktop applications.
//
// For license and copyright information please follow this link:
// https://github.com/desktop-app/legal/blob/master/LEGAL
//
#include "ui/text/text_variant.h"
namespace v::text {
rpl::producer<QString> take_plain(
data &&d,
rpl::producer<QString> &&fallback) {
if (const auto empty = std::get_if<0>(&d)) {
return std::move(fallback);
} else if (const auto plainPtr = std::get_if<1>(&d)) {
return rpl::single(base::take(*plainPtr));
} else if (const auto rplPlainPtr = std::get_if<2>(&d)) {
return base::take(*rplPlainPtr);
} else if (const auto markedPtr = std::get_if<3>(&d)) {
return rpl::single(base::take(*markedPtr).text);
} else if (const auto rplMarkedPtr = std::get_if<4>(&d)) {
return base::take(*rplMarkedPtr) | rpl::map([](const auto &marked) {
return marked.text;
});
}
Unexpected("Bad variant in take_plain.");
}
rpl::producer<TextWithEntities> take_marked(
data &&d,
rpl::producer<TextWithEntities> &&fallback) {
if (const auto empty = std::get_if<0>(&d)) {
return std::move(fallback);
} else if (const auto plainPtr = std::get_if<1>(&d)) {
return rpl::single(TextWithEntities{ base::take(*plainPtr) });
} else if (const auto rplPlainPtr = std::get_if<2>(&d)) {
return base::take(*rplPlainPtr) | rpl::map(TextWithEntities::Simple);
} else if (const auto markedPtr = std::get_if<3>(&d)) {
return rpl::single(base::take(*markedPtr));
} else if (const auto rplMarkedPtr = std::get_if<4>(&d)) {
return base::take(*rplMarkedPtr);
}
Unexpected("Bad variant in take_marked.");
}
} // namespace v::text

28
ui/text/text_variant.h Normal file
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@ -0,0 +1,28 @@
// This file is part of Desktop App Toolkit,
// a set of libraries for developing nice desktop applications.
//
// For license and copyright information please follow this link:
// https://github.com/desktop-app/legal/blob/master/LEGAL
//
#pragma once
#include "ui/text/text_entity.h"
namespace v::text {
using data = std::variant<
v::null_t,
QString,
rpl::producer<QString>,
TextWithEntities,
rpl::producer<TextWithEntities>>;
[[nodiscard]] rpl::producer<QString> take_plain(
data &&d,
rpl::producer<QString> &&fallback = rpl::never<QString>());
[[nodiscard]] rpl::producer<TextWithEntities> take_marked(
data &&d,
rpl::producer<TextWithEntities> &&fallback
= rpl::never<TextWithEntities>());
} // namespace v::text