[network/ruqola/2.8] src/widgets: Add antialiasing support

Git commit 1ad50f6aaefd29d6c16d06a9e1a7e87d0a4295aa by Laurent Montel.
Committed on 31/07/2026 at 11:41.
Pushed by mlaurent into branch '2.8'.

Add antialiasing support

(cherry picked from commit acc798c3dae6942c643e3d6f7e912981bb24a767)

M  +1    -1    src/widgets/applicationssettingsdialog/applicationssettingsdelegate.cpp
M  +1    -0    src/widgets/room/delegate/messageattachmentdelegatehelperactions.cpp
M  +1    -0    src/widgets/room/delegate/messagedelegatehelperactions.cpp
M  +1    -0    src/widgets/room/delegate/messagedelegatehelperconferencevideo.cpp
M  +2    -0    src/widgets/room/delegate/messagedelegatehelperreactions.cpp
M  +2    -2    src/widgets/room/delegate/messagedelegatehelpersection.cpp

https://invent.kde.org/network/ruqola/-/commit/1ad50f6aaefd29d6c16d06a9e1a7e87d0a4295aa

diff --git a/src/widgets/applicationssettingsdialog/applicationssettingsdelegate.cpp b/src/widgets/applicationssettingsdialog/applicationssettingsdelegate.cpp
index 682cef3573..1557f6195b 100644
--- a/src/widgets/applicationssettingsdialog/applicationssettingsdelegate.cpp
+++ b/src/widgets/applicationssettingsdialog/applicationssettingsdelegate.cpp
@@ -41,7 +41,7 @@ void ApplicationsSettingsDelegate::paint(QPainter *painter, const QStyleOptionVi
 {
     painter->save();
     drawBackground(painter, option, index);
-
+    painter->setRenderHint(QPainter::Antialiasing);
     const int margin = MessageDelegateUtils::basicMargin();
     painter->save();
     painter->setPen(Qt::NoPen);
diff --git a/src/widgets/room/delegate/messageattachmentdelegatehelperactions.cpp b/src/widgets/room/delegate/messageattachmentdelegatehelperactions.cpp
index 9b582e5171..883c54ed46 100644
--- a/src/widgets/room/delegate/messageattachmentdelegatehelperactions.cpp
+++ b/src/widgets/room/delegate/messageattachmentdelegatehelperactions.cpp
@@ -40,6 +40,7 @@ void MessageAttachmentDelegateHelperActions::draw(const MessageAttachmentActions
                                                   const QStyleOptionViewItem &option) const
 {
     const ActionsLayout layout = layoutActions(act, option, messageRect.width());
+    painter->setRenderHint(QPainter::Antialiasing);
     for (const auto &button : std::as_const(layout.buttonList)) {
         // Draw button
         const QPen origPen = painter->pen();
diff --git a/src/widgets/room/delegate/messagedelegatehelperactions.cpp b/src/widgets/room/delegate/messagedelegatehelperactions.cpp
index 2413149c77..0824a2b50b 100644
--- a/src/widgets/room/delegate/messagedelegatehelperactions.cpp
+++ b/src/widgets/room/delegate/messagedelegatehelperactions.cpp
@@ -37,6 +37,7 @@ void MessageDelegateHelperActions::draw(const Block &block,
 {
     Q_UNUSED(index)
     const ActionsLayout layout = layoutActions(block, option, blockRect.width());
+    painter->setRenderHint(QPainter::Antialiasing);
     for (const auto &button : std::as_const(layout.buttonList)) {
         // Draw button
         const QPen origPen = painter->pen();
diff --git a/src/widgets/room/delegate/messagedelegatehelperconferencevideo.cpp b/src/widgets/room/delegate/messagedelegatehelperconferencevideo.cpp
index 074c182555..3b9b537506 100644
--- a/src/widgets/room/delegate/messagedelegatehelperconferencevideo.cpp
+++ b/src/widgets/room/delegate/messagedelegatehelperconferencevideo.cpp
@@ -43,6 +43,7 @@ void MessageDelegateHelperConferenceVideo::draw(const Block &block,
 {
     Q_UNUSED(index)
     const ConferenceCallLayout layout = layoutConferenceCall(block, option, blockRect.width());
+    painter->setRenderHint(QPainter::Antialiasing);
     // Draw title and buttons
     const int positionY = blockRect.y() + option.fontMetrics.ascent();
     painter->drawText(blockRect.x(), positionY, layout.title);
diff --git a/src/widgets/room/delegate/messagedelegatehelperreactions.cpp b/src/widgets/room/delegate/messagedelegatehelperreactions.cpp
index 5011b0bd5e..d0c38f55ce 100644
--- a/src/widgets/room/delegate/messagedelegatehelperreactions.cpp
+++ b/src/widgets/room/delegate/messagedelegatehelperreactions.cpp
@@ -117,6 +117,8 @@ void MessageDelegateHelperReactions::draw(QPainter *painter, QRect reactionsRect
     backgroundColor.setAlpha(60);
     const QBrush buttonBrush(backgroundColor);
     const qreal smallMargin = 4;
+    painter->setRenderHint(QPainter::Antialiasing);
+
     for (const ReactionLayout &reactionLayout : layouts) {
         Q_ASSERT(!reactionLayout.emojiString.isEmpty() || !reactionLayout.emojiImagePath.isEmpty());
         const QRectF reactionRect = reactionLayout.reactionRect;
diff --git a/src/widgets/room/delegate/messagedelegatehelpersection.cpp b/src/widgets/room/delegate/messagedelegatehelpersection.cpp
index 32c4726532..840e253380 100644
--- a/src/widgets/room/delegate/messagedelegatehelpersection.cpp
+++ b/src/widgets/room/delegate/messagedelegatehelpersection.cpp
@@ -34,11 +34,11 @@ MessageDelegateHelperSection::~MessageDelegateHelperSection() = default;
 void MessageDelegateHelperSection::draw(const Block &block,
                                         QPainter *painter,
                                         QRect blockRect,
-                                        const QModelIndex &index,
+                                        [[maybe_unused]] const QModelIndex &index,
                                         const QStyleOptionViewItem &option) const
 {
-    Q_UNUSED(index)
     const SectionLayout layout = layoutSection(block, option, blockRect.width());
+    painter->setRenderHint(QPainter::Antialiasing);
     // Draw title and buttons
     const int positionY = blockRect.y() + option.fontMetrics.ascent();
     painter->drawText(blockRect.x(), positionY, layout.sectionText);