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