9d59e42b52
Add an experimental "small message radius" toggle. This toggle allows switching to the pre-4.3.0, smaller message bubble radius after an app restart. The message bubble radius styles now have to be referenced via the Ui::BubbleRadius* and Ui::MsgFileThumbRadius* wrappers to use the appropriate value.
460 lines
12 KiB
C++
460 lines
12 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 "ui/chat/message_bubble.h"
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#include "ui/cached_round_corners.h"
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#include "ui/image/image_prepare.h"
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#include "ui/chat/chat_style.h"
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#include "styles/style_chat.h"
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namespace Ui {
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namespace {
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using Corner = BubbleCornerRounding;
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template <
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typename FillBg, // fillBg(QRect rect)
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typename FillSh, // fillSh(QRect rect)
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typename FillCorner, // fillCorner(int x, int y, int index, Corner size)
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typename PaintTail> // paintTail(QPoint bottomPosition) -> tailWidth
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void PaintBubbleGeneric(
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const SimpleBubble &args,
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FillBg &&fillBg,
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FillSh &&fillSh,
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FillCorner &&fillCorner,
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PaintTail &&paintTail) {
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using namespace Images;
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const auto topLeft = args.rounding.topLeft;
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const auto topRight = args.rounding.topRight;
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const auto bottomWithTailLeft = args.rounding.bottomLeft;
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const auto bottomWithTailRight = args.rounding.bottomRight;
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if (topLeft == Corner::None
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&& topRight == Corner::None
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&& bottomWithTailLeft == Corner::None
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&& bottomWithTailRight == Corner::None) {
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fillBg(args.geometry);
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return;
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}
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const auto bottomLeft = (bottomWithTailLeft == Corner::Tail)
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? Corner::None
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: bottomWithTailLeft;
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const auto bottomRight = (bottomWithTailRight == Corner::Tail)
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? Corner::None
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: bottomWithTailRight;
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const auto rect = args.geometry;
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const auto small = BubbleRadiusSmall();
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const auto large = BubbleRadiusLarge();
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const auto cornerSize = [&](Corner corner) {
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return (corner == Corner::Large)
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? large
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: (corner == Corner::Small)
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? small
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: 0;
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};
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const auto verticalSkip = [&](Corner left, Corner right) {
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return std::max(cornerSize(left), cornerSize(right));
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};
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const auto top = verticalSkip(topLeft, topRight);
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const auto bottom = verticalSkip(bottomLeft, bottomRight);
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if (top) {
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const auto left = cornerSize(topLeft);
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const auto right = cornerSize(topRight);
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if (left) {
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fillCorner(rect.left(), rect.top(), kTopLeft, topLeft);
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if (const auto add = top - left) {
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fillBg({ rect.left(), rect.top() + left, left, add });
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}
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}
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if (const auto fill = rect.width() - left - right; fill > 0) {
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fillBg({ rect.left() + left, rect.top(), fill, top });
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}
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if (right) {
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fillCorner(
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rect.left() + rect.width() - right,
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rect.top(),
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kTopRight,
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topRight);
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if (const auto add = top - right) {
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fillBg({
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rect.left() + rect.width() - right,
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rect.top() + right,
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right,
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add,
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});
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}
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}
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}
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if (const auto fill = rect.height() - top - bottom; fill > 0) {
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fillBg({ rect.left(), rect.top() + top, rect.width(), fill });
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}
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if (bottom) {
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const auto left = cornerSize(bottomLeft);
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const auto right = cornerSize(bottomRight);
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if (left) {
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fillCorner(
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rect.left(),
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rect.top() + rect.height() - left,
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kBottomLeft,
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bottomLeft);
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if (const auto add = bottom - left) {
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fillBg({
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rect.left(),
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rect.top() + rect.height() - bottom,
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left,
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add,
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});
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}
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}
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if (const auto fill = rect.width() - left - right; fill > 0) {
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fillBg({
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rect.left() + left,
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rect.top() + rect.height() - bottom,
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fill,
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bottom,
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});
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}
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if (right) {
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fillCorner(
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rect.left() + rect.width() - right,
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rect.top() + rect.height() - right,
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kBottomRight,
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bottomRight);
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if (const auto add = bottom - right) {
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fillBg({
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rect.left() + rect.width() - right,
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rect.top() + rect.height() - bottom,
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right,
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add,
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});
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}
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}
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}
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const auto leftTail = (bottomWithTailLeft == Corner::Tail)
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? paintTail({ rect.x(), rect.y() + rect.height() })
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: 0;
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const auto rightTail = (bottomWithTailRight == Corner::Tail)
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? paintTail({ rect.x() + rect.width(), rect.y() + rect.height() })
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: 0;
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if (!args.shadowed) {
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return;
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}
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const auto shLeft = rect.x() + cornerSize(bottomLeft) - leftTail;
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const auto shWidth = rect.x()
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+ rect.width()
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- cornerSize(bottomRight)
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+ rightTail
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- shLeft;
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if (shWidth > 0) {
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fillSh({ shLeft, rect.y() + rect.height(), shWidth, st::msgShadow });
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}
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}
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void PaintPatternBubble(QPainter &p, const SimpleBubble &args) {
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const auto opacity = args.st->msgOutBg()->c.alphaF();
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const auto shadowOpacity = opacity * args.st->msgOutShadow()->c.alphaF();
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const auto pattern = args.pattern;
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const auto &tail = (args.rounding.bottomRight == Corner::Tail)
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? pattern->tailRight
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: pattern->tailLeft;
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const auto tailShift = (args.rounding.bottomRight == Corner::Tail
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? QPoint(0, tail.height())
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: QPoint(tail.width(), tail.height())) / int(tail.devicePixelRatio());
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const auto fillBg = [&](const QRect &rect) {
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const auto fill = rect.intersected(args.patternViewport);
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if (!fill.isEmpty()) {
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PaintPatternBubblePart(
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p,
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args.patternViewport,
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pattern->pixmap,
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fill);
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}
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};
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const auto fillSh = [&](const QRect &rect) {
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p.setOpacity(shadowOpacity);
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fillBg(rect);
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p.setOpacity(opacity);
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};
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const auto fillPattern = [&](
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int x,
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int y,
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const QImage &mask,
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QImage &cache) {
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PaintPatternBubblePart(
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p,
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args.patternViewport,
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pattern->pixmap,
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QRect(QPoint(x, y), mask.size() / int(mask.devicePixelRatio())),
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mask,
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cache);
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};
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const auto fillCorner = [&](int x, int y, int index, Corner size) {
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auto &corner = (size == Corner::Large)
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? pattern->cornersLarge[index]
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: pattern->cornersSmall[index];
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auto &cache = (size == Corner::Large)
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? (index < 2
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? pattern->cornerTopLargeCache
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: pattern->cornerBottomLargeCache)
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: (index < 2
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? pattern->cornerTopSmallCache
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: pattern->cornerBottomSmallCache);
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fillPattern(x, y, corner, cache);
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};
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const auto paintTail = [&](QPoint bottomPosition) {
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const auto position = bottomPosition - tailShift;
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fillPattern(position.x(), position.y(), tail, pattern->tailCache);
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return tail.width() / int(tail.devicePixelRatio());
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};
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p.setOpacity(opacity);
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PaintBubbleGeneric(args, fillBg, fillSh, fillCorner, paintTail);
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p.setOpacity(1.);
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}
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void PaintSolidBubble(QPainter &p, const SimpleBubble &args) {
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const auto &st = args.st->messageStyle(args.outbg, args.selected);
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const auto &bg = st.msgBg;
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const auto sh = (args.rounding.bottomRight == Corner::None)
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? nullptr
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: &st.msgShadow;
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const auto &tail = (args.rounding.bottomRight == Corner::Tail)
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? st.tailRight
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: st.tailLeft;
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const auto tailShift = (args.rounding.bottomRight == Corner::Tail)
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? QPoint(0, tail.height())
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: QPoint(tail.width(), tail.height());
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PaintBubbleGeneric(args, [&](const QRect &rect) {
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p.fillRect(rect, bg);
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}, [&](const QRect &rect) {
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p.fillRect(rect, *sh);
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}, [&](int x, int y, int index, Corner size) {
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auto &corners = (size == Corner::Large)
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? st.msgBgCornersLarge
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: st.msgBgCornersSmall;
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p.drawPixmap(x, y, corners.p[index]);
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}, [&](const QPoint &bottomPosition) {
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tail.paint(p, bottomPosition - tailShift, args.outerWidth);
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return tail.width();
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});
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}
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} // namespace
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std::unique_ptr<BubblePattern> PrepareBubblePattern(
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not_null<const style::palette*> st) {
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auto result = std::make_unique<Ui::BubblePattern>();
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result->cornersSmall = Images::CornersMask(BubbleRadiusSmall());
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result->cornersLarge = Images::CornersMask(BubbleRadiusLarge());
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const auto addShadow = [&](QImage &bottomCorner) {
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auto result = QImage(
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bottomCorner.width(),
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(bottomCorner.height()
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+ st::msgShadow * int(bottomCorner.devicePixelRatio())),
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QImage::Format_ARGB32_Premultiplied);
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result.fill(Qt::transparent);
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result.setDevicePixelRatio(bottomCorner.devicePixelRatio());
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auto p = QPainter(&result);
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p.setOpacity(st->msgInShadow()->c.alphaF());
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p.drawImage(0, st::msgShadow, bottomCorner);
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p.setOpacity(1.);
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p.drawImage(0, 0, bottomCorner);
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p.end();
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bottomCorner = std::move(result);
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};
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addShadow(result->cornersSmall[2]);
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addShadow(result->cornersSmall[3]);
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result->cornerTopSmallCache = QImage(
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result->cornersSmall[0].size(),
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QImage::Format_ARGB32_Premultiplied);
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result->cornerTopLargeCache = QImage(
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result->cornersLarge[0].size(),
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QImage::Format_ARGB32_Premultiplied);
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result->cornerBottomSmallCache = QImage(
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result->cornersSmall[2].size(),
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QImage::Format_ARGB32_Premultiplied);
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result->cornerBottomLargeCache = QImage(
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result->cornersLarge[2].size(),
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QImage::Format_ARGB32_Premultiplied);
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return result;
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}
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void FinishBubblePatternOnMain(not_null<BubblePattern*> pattern) {
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pattern->tailLeft = st::historyBubbleTailOutLeft.instance(Qt::white);
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pattern->tailRight = st::historyBubbleTailOutRight.instance(Qt::white);
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pattern->tailCache = QImage(
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pattern->tailLeft.size(),
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QImage::Format_ARGB32_Premultiplied);
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}
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void PaintBubble(QPainter &p, const SimpleBubble &args) {
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if (!args.selected
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&& args.outbg
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&& args.pattern
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&& !args.patternViewport.isEmpty()
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&& !args.pattern->pixmap.size().isEmpty()) {
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PaintPatternBubble(p, args);
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} else {
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PaintSolidBubble(p, args);
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}
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}
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void PaintBubble(QPainter &p, const ComplexBubble &args) {
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if (args.selection.empty()) {
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PaintBubble(p, args.simple);
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return;
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}
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const auto rect = args.simple.geometry;
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const auto left = rect.x();
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const auto width = rect.width();
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const auto top = rect.y();
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const auto bottom = top + rect.height();
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const auto paintOne = [&](
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QRect geometry,
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bool selected,
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bool fromTop,
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bool tillBottom) {
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auto simple = args.simple;
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simple.geometry = geometry;
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simple.selected = selected;
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if (!fromTop) {
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simple.rounding.topLeft
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= simple.rounding.topRight
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= Corner::None;
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}
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if (!tillBottom) {
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simple.rounding.bottomLeft
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= simple.rounding.bottomRight
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= Corner::None;
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simple.shadowed = false;
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}
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PaintBubble(p, simple);
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};
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auto from = top;
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for (const auto &selected : args.selection) {
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if (selected.top > from) {
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paintOne(
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QRect(left, from, width, selected.top - from),
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false,
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(from <= top),
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false);
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}
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paintOne(
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QRect(left, selected.top, width, selected.height),
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true,
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(selected.top <= top),
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(selected.top + selected.height >= bottom));
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from = selected.top + selected.height;
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}
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if (from < bottom) {
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paintOne(
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QRect(left, from, width, bottom - from),
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false,
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false,
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true);
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}
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}
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void PaintPatternBubblePart(
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QPainter &p,
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const QRect &viewport,
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const QPixmap &pixmap,
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const QRect &target) {
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const auto factor = pixmap.devicePixelRatio();
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if (viewport.size() * factor == pixmap.size()) {
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const auto fill = target.intersected(viewport);
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if (fill.isEmpty()) {
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return;
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}
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p.drawPixmap(fill, pixmap, QRect(
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(fill.topLeft() - viewport.topLeft()) * factor,
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fill.size() * factor));
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} else {
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const auto to = viewport;
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const auto from = QRect(QPoint(), pixmap.size());
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const auto deviceRect = QRect(
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QPoint(),
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QSize(p.device()->width(), p.device()->height()));
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const auto clip = (target != deviceRect);
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if (clip) {
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p.setClipRect(target);
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}
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p.drawPixmap(to, pixmap, from);
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if (clip) {
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p.setClipping(false);
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}
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}
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}
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void PaintPatternBubblePart(
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QPainter &p,
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const QRect &viewport,
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const QPixmap &pixmap,
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const QRect &target,
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const QImage &mask,
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QImage &cache) {
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Expects(mask.bytesPerLine() == mask.width() * 4);
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Expects(mask.format() == QImage::Format_ARGB32_Premultiplied);
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if (cache.size() != mask.size()) {
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cache = QImage(
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mask.size(),
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QImage::Format_ARGB32_Premultiplied);
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}
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cache.setDevicePixelRatio(mask.devicePixelRatio());
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Assert(cache.bytesPerLine() == cache.width() * 4);
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memcpy(cache.bits(), mask.constBits(), mask.sizeInBytes());
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auto q = QPainter(&cache);
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q.setCompositionMode(QPainter::CompositionMode_SourceIn);
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PaintPatternBubblePart(
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q,
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viewport.translated(-target.topLeft()),
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pixmap,
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QRect(QPoint(), cache.size() / int(cache.devicePixelRatio())));
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q.end();
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p.drawImage(target, cache);
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}
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void PaintPatternBubblePart(
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QPainter &p,
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const QRect &viewport,
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const QPixmap &pixmap,
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const QRect &target,
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Fn<void(QPainter&)> paintContent,
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QImage &cache) {
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Expects(paintContent != nullptr);
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const auto targetOrigin = target.topLeft();
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const auto targetSize = target.size();
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if (cache.size() != targetSize * style::DevicePixelRatio()) {
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cache = QImage(
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target.size() * style::DevicePixelRatio(),
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QImage::Format_ARGB32_Premultiplied);
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cache.setDevicePixelRatio(style::DevicePixelRatio());
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}
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cache.fill(Qt::transparent);
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auto q = QPainter(&cache);
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q.translate(-targetOrigin);
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paintContent(q);
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q.translate(targetOrigin);
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q.setCompositionMode(QPainter::CompositionMode_SourceIn);
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PaintPatternBubblePart(
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q,
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viewport.translated(-targetOrigin),
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pixmap,
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QRect(QPoint(), targetSize));
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q.end();
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p.drawImage(target, cache);
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}
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} // namespace Ui
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