tdesktop/Telegram/SourceFiles/info/media/info_media_empty_widget.cpp

107 lines
2.8 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "info/media/info_media_empty_widget.h"
#include "ui/widgets/labels.h"
#include "styles/style_info.h"
#include "lang/lang_keys.h"
namespace Info {
namespace Media {
EmptyWidget::EmptyWidget(QWidget *parent)
: RpWidget(parent)
, _text(this, st::infoEmptyLabel) {
}
void EmptyWidget::setFullHeight(rpl::producer<int> fullHeightValue) {
std::move(
fullHeightValue
) | rpl::start_with_next([this](int fullHeight) {
// Make icon center be on 1/3 height.
auto iconCenter = fullHeight / 3;
auto iconHeight = st::infoEmptyFile.height();
auto iconTop = iconCenter - iconHeight / 2;
_height = iconTop + st::infoEmptyIconTop;
resizeToWidth(width());
}, lifetime());
}
void EmptyWidget::setType(Type type) {
_type = type;
_icon = [&] {
switch (_type) {
case Type::Photo:
case Type::GIF: return &st::infoEmptyPhoto;
case Type::Video: return &st::infoEmptyVideo;
case Type::MusicFile: return &st::infoEmptyAudio;
case Type::File: return &st::infoEmptyFile;
case Type::Link: return &st::infoEmptyLink;
case Type::RoundVoiceFile: return &st::infoEmptyVoice;
}
Unexpected("Bad type in EmptyWidget::setType()");
}();
update();
}
void EmptyWidget::setSearchQuery(const QString &query) {
_text->setText([&] {
switch (_type) {
case Type::Photo:
return tr::lng_media_photo_empty(tr::now);
case Type::GIF:
return tr::lng_media_gif_empty(tr::now);
case Type::Video:
return tr::lng_media_video_empty(tr::now);
case Type::MusicFile:
return query.isEmpty()
? tr::lng_media_song_empty(tr::now)
: tr::lng_media_song_empty_search(tr::now);
case Type::File:
return query.isEmpty()
? tr::lng_media_file_empty(tr::now)
: tr::lng_media_file_empty_search(tr::now);
case Type::Link:
return query.isEmpty()
? tr::lng_media_link_empty(tr::now)
: tr::lng_media_link_empty_search(tr::now);
case Type::RoundVoiceFile:
return tr::lng_media_audio_empty(tr::now);
}
Unexpected("Bad type in EmptyWidget::setSearchQuery()");
}());
resizeToWidth(width());
}
void EmptyWidget::paintEvent(QPaintEvent *e) {
if (!_icon) {
return;
}
auto p = QPainter(this);
auto iconLeft = (width() - _icon->width()) / 2;
auto iconTop = height() - st::infoEmptyIconTop;
_icon->paint(p, iconLeft, iconTop, width());
}
int EmptyWidget::resizeGetHeight(int newWidth) {
auto labelTop = _height - st::infoEmptyLabelTop;
auto labelWidth = newWidth - 2 * st::infoEmptyLabelSkip;
_text->resizeToNaturalWidth(labelWidth);
auto labelLeft = (newWidth - _text->width()) / 2;
_text->moveToLeft(labelLeft, labelTop, newWidth);
update();
return _height;
}
} // namespace Media
} // namespace Info