tdesktop/Telegram/SourceFiles/dialogs/dialogs_layout.cpp

332 lines
14 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
*/
#include "stdafx.h"
#include "dialogs/dialogs_layout.h"
#include "data/data_abstract_structure.h"
#include "data/data_drafts.h"
#include "dialogs/dialogs_list.h"
#include "styles/style_dialogs.h"
#include "localstorage.h"
#include "lang.h"
namespace Dialogs {
namespace Layout {
namespace {
// Show all dates that are in the last 20 hours in time format.
constexpr int kRecentlyInSeconds = 20 * 3600;
void paintRowDate(Painter &p, const QDateTime &date, QRect &rectForName, bool active, bool selected) {
auto now = QDateTime::currentDateTime();
auto lastTime = date;
auto nowDate = now.date();
auto lastDate = lastTime.date();
QString dt;
bool wasSameDay = (lastDate == nowDate);
bool wasRecently = qAbs(lastTime.secsTo(now)) < kRecentlyInSeconds;
if (wasSameDay || wasRecently) {
dt = lastTime.toString(cTimeFormat());
} else if (lastDate.year() == nowDate.year() && lastDate.weekNumber() == nowDate.weekNumber()) {
dt = langDayOfWeek(lastDate);
} else {
dt = lastDate.toString(qsl("d.MM.yy"));
}
int32 dtWidth = st::dialogsDateFont->width(dt);
rectForName.setWidth(rectForName.width() - dtWidth - st::dialogsDateSkip);
p.setFont(st::dialogsDateFont);
p.setPen(active ? st::dialogsDateFgActive : (selected ? st::dialogsDateFgOver : st::dialogsDateFg));
p.drawText(rectForName.left() + rectForName.width() + st::dialogsDateSkip, rectForName.top() + st::msgNameFont->height - st::msgDateFont->descent, dt);
}
template <typename PaintItemCallback>
void paintRow(Painter &p, History *history, HistoryItem *item, Data::Draft *draft, QDateTime date, int w, bool active, bool selected, bool onlyBackground, PaintItemCallback paintItemCallback) {
QRect fullRect(0, 0, w, st::dialogsRowHeight);
p.fillRect(fullRect, active ? st::dialogsBgActive : (selected ? st::dialogsBgOver : st::dialogsBg));
if (onlyBackground) return;
PeerData *userpicPeer = (history->peer->migrateTo() ? history->peer->migrateTo() : history->peer);
userpicPeer->paintUserpicLeft(p, st::dialogsPhotoSize, st::dialogsPadding.x(), st::dialogsPadding.y(), w);
int32 nameleft = st::dialogsPadding.x() + st::dialogsPhotoSize + st::dialogsPhotoPadding;
int32 namewidth = w - nameleft - st::dialogsPadding.x();
QRect rectForName(nameleft, st::dialogsPadding.y() + st::dialogsNameTop, namewidth, st::msgNameFont->height);
if (auto chatTypeIcon = ChatTypeIcon(history->peer, active, selected)) {
chatTypeIcon->paint(p, rectForName.topLeft(), w);
rectForName.setLeft(rectForName.left() + st::dialogsChatTypeSkip);
}
int texttop = st::dialogsPadding.y() + st::msgNameFont->height + st::dialogsSkip;
if (draft) {
paintRowDate(p, date, rectForName, active, selected);
p.setFont(st::dialogsTextFont);
if (history->typing.isEmpty() && history->sendActions.isEmpty()) {
if (history->cloudDraftTextCache.isEmpty()) {
auto draftWrapped = textcmdLink(1, lng_dialogs_text_from_wrapped(lt_from, lang(lng_from_draft)));
auto draftText = lng_dialogs_text_with_from(lt_from_part, draftWrapped, lt_message, textClean(draft->textWithTags.text));
history->cloudDraftTextCache.setText(st::dialogsTextFont, draftText, _textDlgOptions);
}
p.setPen(active ? st::dialogsTextFgActive : (selected ? st::dialogsTextFgOver : st::dialogsTextFg));
textstyleSet(&(active ? st::dialogsTextStyleDraftActive : (selected ? st::dialogsTextStyleDraftOver : st::dialogsTextStyleDraft)));
history->cloudDraftTextCache.drawElided(p, nameleft, texttop, namewidth, 1);
textstyleRestore();
} else {
p.setPen(active ? st::dialogsTextFgServiceActive : (selected ? st::dialogsTextFgServiceOver : st::dialogsTextFgService));
history->typingText.drawElided(p, nameleft, texttop, namewidth);
}
} else if (!item) {
p.setFont(st::dialogsTextFont);
p.setPen(active ? st::dialogsTextFgServiceActive : (selected ? st::dialogsTextFgServiceOver : st::dialogsTextFgService));
if (history->typing.isEmpty() && history->sendActions.isEmpty()) {
p.drawText(nameleft, texttop + st::msgNameFont->ascent, lang(lng_empty_history));
} else {
history->typingText.drawElided(p, nameleft, texttop, namewidth);
}
} else if (!item->isEmpty()) {
paintRowDate(p, date, rectForName, active, selected);
paintItemCallback(nameleft, namewidth, item);
}
auto sendStateIcon = ([draft, item, active, selected]() -> const style::icon* {
if (draft) {
if (draft->saveRequestId) {
return &(active ? st::dialogsSendingIconActive : (selected ? st::dialogsSendingIconOver : st::dialogsSendingIcon));
}
} else if (item && !item->isEmpty() && item->needCheck()) {
if (item->id > 0) {
if (item->unread()) {
return &(active ? st::dialogsSentIconActive : (selected ? st::dialogsSentIconOver : st::dialogsSentIcon));
}
return &(active ? st::dialogsReceivedIconActive : (selected ? st::dialogsReceivedIconOver : st::dialogsReceivedIcon));
}
return &(active ? st::dialogsSendingIconActive : (selected ? st::dialogsSendingIconOver : st::dialogsSendingIcon));
}
return nullptr;
})();
if (sendStateIcon) {
rectForName.setWidth(rectForName.width() - st::dialogsSendStateSkip);
sendStateIcon->paint(p, rectForName.topLeft() + QPoint(rectForName.width(), 0), w);
}
if (history->peer->isUser() && history->peer->isVerified()) {
auto icon = &(active ? st::dialogsVerifiedIconActive : (selected ? st::dialogsVerifiedIconOver : st::dialogsVerifiedIcon));
rectForName.setWidth(rectForName.width() - icon->width());
icon->paint(p, rectForName.topLeft() + QPoint(qMin(history->peer->dialogName().maxWidth(), rectForName.width()), 0), w);
}
p.setPen(active ? st::dialogsNameFgActive : (selected ? st::dialogsNameFgOver : st::dialogsNameFg));
history->peer->dialogName().drawElided(p, rectForName.left(), rectForName.top(), rectForName.width());
}
struct UnreadBadgeSizeData {
QImage circle;
QPixmap left[6], right[6];
};
class UnreadBadgeStyleData : public Data::AbstractStructure {
public:
UnreadBadgeSizeData sizes[UnreadBadgeSizesCount];
const style::color *bg[6] = {
&st::dialogsUnreadBg,
&st::dialogsUnreadBgOver,
&st::dialogsUnreadBgActive,
&st::dialogsUnreadBgMuted,
&st::dialogsUnreadBgMutedOver,
&st::dialogsUnreadBgMutedActive
};
};
Data::GlobalStructurePointer<UnreadBadgeStyleData> unreadBadgeStyle;
void createCircleMask(UnreadBadgeSizeData *data, int size) {
if (!data->circle.isNull()) return;
data->circle = style::createCircleMask(size);
}
QImage colorizeCircleHalf(UnreadBadgeSizeData *data, int size, int half, int xoffset, const style::color &color) {
auto result = style::colorizeImage(data->circle, color, QRect(xoffset, 0, half, size));
result.setDevicePixelRatio(cRetinaFactor());
return result;
}
} // namepsace
const style::icon *ChatTypeIcon(PeerData *peer, bool active, bool selected) {
if (peer->isChat() || peer->isMegagroup()) {
return &(active ? st::dialogsChatIconActive : (selected ? st::dialogsChatIconOver : st::dialogsChatIcon));
} else if (peer->isChannel()) {
return &(active ? st::dialogsChannelIconActive : (selected ? st::dialogsChannelIconOver : st::dialogsChannelIcon));
}
return nullptr;
}
void paintUnreadBadge(Painter &p, const QRect &rect, const UnreadBadgeStyle &st) {
t_assert(rect.height() == st.size);
int index = (st.muted ? 0x03 : 0x00) + (st.active ? 0x02 : (st.selected ? 0x01 : 0x00));
int size = st.size, sizehalf = size / 2;
unreadBadgeStyle.createIfNull();
auto badgeData = unreadBadgeStyle->sizes;
if (st.sizeId > 0) {
t_assert(st.sizeId < UnreadBadgeSizesCount);
badgeData = &unreadBadgeStyle->sizes[st.sizeId];
}
auto bg = unreadBadgeStyle->bg[index];
if (badgeData->left[index].isNull()) {
int imgsize = size * cIntRetinaFactor(), imgsizehalf = sizehalf * cIntRetinaFactor();
createCircleMask(badgeData, size);
badgeData->left[index] = App::pixmapFromImageInPlace(colorizeCircleHalf(badgeData, imgsize, imgsizehalf, 0, *bg));
badgeData->right[index] = App::pixmapFromImageInPlace(colorizeCircleHalf(badgeData, imgsize, imgsizehalf, imgsize - imgsizehalf, *bg));
}
int bar = rect.width() - 2 * sizehalf;
p.drawPixmap(rect.x(), rect.y(), badgeData->left[index]);
if (bar) {
p.fillRect(rect.x() + sizehalf, rect.y(), bar, rect.height(), *bg);
}
p.drawPixmap(rect.x() + sizehalf + bar, rect.y(), badgeData->right[index]);
}
UnreadBadgeStyle::UnreadBadgeStyle()
: align(style::al_right)
, active(false)
, selected(false)
, muted(false)
, size(st::dialogsUnreadHeight)
, sizeId(UnreadBadgeInDialogs)
, font(st::dialogsUnreadFont) {
}
void paintUnreadCount(Painter &p, const QString &text, int x, int y, const UnreadBadgeStyle &st, int *outUnreadWidth) {
int unreadWidth = st.font->width(text);
int unreadRectWidth = unreadWidth + 2 * st::dialogsUnreadPadding;
int unreadRectHeight = st.size;
accumulate_max(unreadRectWidth, unreadRectHeight);
int unreadRectLeft = x;
if ((st.align & Qt::AlignHorizontal_Mask) & style::al_center) {
unreadRectLeft = (x - unreadRectWidth) / 2;
} else if ((st.align & Qt::AlignHorizontal_Mask) & style::al_right) {
unreadRectLeft = x - unreadRectWidth;
}
int unreadRectTop = y;
if (outUnreadWidth) {
*outUnreadWidth = unreadRectWidth;
}
paintUnreadBadge(p, QRect(unreadRectLeft, unreadRectTop, unreadRectWidth, unreadRectHeight), st);
p.setFont(st.font);
p.setPen(st.active ? st::dialogsUnreadFgActive : (st.selected ? st::dialogsUnreadFgOver : st::dialogsUnreadFg));
p.drawText(unreadRectLeft + (unreadRectWidth - unreadWidth) / 2, unreadRectTop + (unreadRectHeight - st.font->height) / 2 + st.font->ascent, text);
}
void RowPainter::paint(Painter &p, const Row *row, int w, bool active, bool selected, bool onlyBackground) {
auto history = row->history();
auto item = history->lastMsg;
auto cloudDraft = history->cloudDraft();
if (Data::draftIsNull(cloudDraft)) {
cloudDraft = nullptr;
}
auto displayDate = [item, cloudDraft]() {
if (item) {
if (cloudDraft) {
return (item->date > cloudDraft->date) ? item->date : cloudDraft->date;
}
return item->date;
}
return cloudDraft ? cloudDraft->date : QDateTime();
};
int unreadCount = history->unreadCount();
if (history->peer->migrateFrom()) {
if (auto migrated = App::historyLoaded(history->peer->migrateFrom()->id)) {
unreadCount += migrated->unreadCount();
}
}
if (item && cloudDraft && unreadCount > 0) {
cloudDraft = nullptr; // Draw item, if draft is older.
}
paintRow(p, history, item, cloudDraft, displayDate(), w, active, selected, onlyBackground, [&p, w, active, selected, history, unreadCount](int nameleft, int namewidth, HistoryItem *item) {
int availableWidth = namewidth;
int texttop = st::dialogsPadding.y() + st::msgNameFont->height + st::dialogsSkip;
if (unreadCount) {
auto counter = QString::number(unreadCount);
auto mutedCounter = history->mute();
int unreadRight = w - st::dialogsPadding.x();
int unreadTop = texttop + st::dialogsTextFont->ascent - st::dialogsUnreadFont->ascent - (st::dialogsUnreadHeight - st::dialogsUnreadFont->height) / 2;
int unreadWidth = 0;
UnreadBadgeStyle st;
st.active = active;
st.muted = history->mute();
paintUnreadCount(p, counter, unreadRight, unreadTop, st, &unreadWidth);
availableWidth -= unreadWidth + st::dialogsUnreadPadding;
}
if (history->typing.isEmpty() && history->sendActions.isEmpty()) {
item->drawInDialog(p, QRect(nameleft, texttop, availableWidth, st::dialogsTextFont->height), active, selected, history->textCachedFor, history->lastItemTextCache);
} else {
p.setPen(active ? st::dialogsTextFgServiceActive : (selected ? st::dialogsTextFgServiceOver : st::dialogsTextFgService));
history->typingText.drawElided(p, nameleft, texttop, availableWidth);
}
});
}
void RowPainter::paint(Painter &p, const FakeRow *row, int w, bool active, bool selected, bool onlyBackground) {
auto item = row->item();
auto history = item->history();
paintRow(p, history, item, nullptr, item->date, w, active, selected, onlyBackground, [&p, row, active, selected](int nameleft, int namewidth, HistoryItem *item) {
int lastWidth = namewidth, texttop = st::dialogsPadding.y() + st::msgNameFont->height + st::dialogsSkip;
item->drawInDialog(p, QRect(nameleft, texttop, lastWidth, st::dialogsTextFont->height), active, selected, row->_cacheFor, row->_cache);
});
}
void paintImportantSwitch(Painter &p, Mode current, int w, bool selected, bool onlyBackground) {
p.fillRect(0, 0, w, st::dialogsImportantBarHeight, selected ? st::dialogsBgOver : st::dialogsBg);
if (onlyBackground) {
return;
}
p.setFont(st::semiboldFont);
p.setPen(st::dialogsNameFg);
int unreadTop = (st::dialogsImportantBarHeight - st::dialogsUnreadHeight) / 2;
bool mutedHidden = (current == Dialogs::Mode::Important);
QString text = lang(mutedHidden ? lng_dialogs_show_all_chats : lng_dialogs_hide_muted_chats);
int textBaseline = unreadTop + (st::dialogsUnreadHeight - st::dialogsUnreadFont->height) / 2 + st::dialogsUnreadFont->ascent;
p.drawText(st::dialogsPadding.x(), textBaseline, text);
if (mutedHidden) {
if (int32 unread = App::histories().unreadMutedCount()) {
int unreadRight = w - st::dialogsPadding.x();
UnreadBadgeStyle st;
st.muted = true;
paintUnreadCount(p, QString::number(unread), unreadRight, unreadTop, st, nullptr);
}
}
}
} // namespace Layout
} // namespace Dialogs