[Client] Flat moderation headers and detail tab shape

cockatrice/CMakeLists.txt

@@ -391,6 +391,8 @@ set(cockatrice_SOURCES
     src/interface/widgets/tabs/api/edhrec/tab_edhrec.cpp
     src/interface/widgets/tabs/api/edhrec/tab_edhrec_main.cpp
     src/interface/widgets/tabs/alt_table_delegate.cpp
+    src/interface/widgets/tabs/moderation_header_style.cpp
+    src/interface/widgets/tabs/moderation_tab_style.cpp
     src/interface/widgets/tabs/report_status_delegate.cpp
     src/interface/widgets/tabs/tab.cpp
     src/interface/widgets/tabs/tab_account.cpp

cockatrice/src/interface/widgets/tabs/moderation_header_style.cpp

@@ -0,0 +1,56 @@
+#include "moderation_header_style.h"
+
+#include <QApplication>
+#include <QPainter>
+#include <QPalette>
+#include <QStyleOption>
+
+namespace
+{
+constexpr qreal HOVER_WASH_ALPHA = 0.12;
+} // namespace
+
+ModerationHeaderStyle::ModerationHeaderStyle(QStyle *base) : QProxyStyle(base)
+{
+}
+
+void ModerationHeaderStyle::drawControl(ControlElement element,
+                                        const QStyleOption *option,
+                                        QPainter *painter,
+                                        const QWidget *widget) const
+{
+    if (element != CE_Header || option == nullptr || painter == nullptr) {
+        QProxyStyle::drawControl(element, option, painter, widget);
+        return;
+    }
+
+    const auto *headerOpt = qstyleoption_cast<const QStyleOptionHeader *>(option);
+    if (headerOpt == nullptr || !headerOpt->icon.isNull()) {
+        QProxyStyle::drawControl(element, option, painter, widget);
+        return;
+    }
+
+    painter->save();
+    painter->fillRect(headerOpt->rect, headerOpt->palette.window());
+
+    const bool enabled = (headerOpt->state & State_Enabled) != 0;
+    if (enabled && (headerOpt->state & State_MouseOver) != 0) {
+        QColor wash = headerOpt->palette.color(QPalette::Highlight);
+        wash.setAlphaF(HOVER_WASH_ALPHA);
+        painter->fillRect(headerOpt->rect, wash);
+    }
+
+    painter->setPen(headerOpt->palette.color(QPalette::Mid));
+    painter->drawLine(headerOpt->rect.bottomLeft(), headerOpt->rect.bottomRight());
+    painter->restore();
+
+    QRect textRect = headerOpt->rect.adjusted(4, 0, -4, 0);
+    const QString elided = headerOpt->fontMetrics.elidedText(headerOpt->text, Qt::ElideRight, textRect.width());
+    QStyle *style = widget != nullptr ? widget->style() : QApplication::style();
+    style->drawItemText(painter, textRect, Qt::AlignLeft | Qt::AlignVCenter, headerOpt->palette, enabled, elided,
+                        QPalette::WindowText);
+
+    if (headerOpt->sortIndicator != QStyleOptionHeader::None) {
+        QProxyStyle::drawPrimitive(PE_IndicatorHeaderArrow, option, painter, widget);
+    }
+}

cockatrice/src/interface/widgets/tabs/moderation_header_style.h

@@ -0,0 +1,25 @@
+#ifndef MODERATION_HEADER_STYLE_H
+#define MODERATION_HEADER_STYLE_H
+
+#include <QProxyStyle>
+#include <qtmetamacros.h>
+
+/**
+ * Flat header sections for the moderation tables (report queue, user alts).
+ * Replaces the native gradient header with the palette Window background, a
+ * 1px Mid bottom rule, and WindowText labels, so headers follow the active
+ * theme. Sort indicators are still drawn by the base style. Headers with
+ * icons fall back to the base style untouched.
+ */
+class ModerationHeaderStyle : public QProxyStyle
+{
+    Q_OBJECT
+public:
+    explicit ModerationHeaderStyle(QStyle *base = nullptr);
+    void drawControl(ControlElement element,
+                     const QStyleOption *option,
+                     QPainter *painter,
+                     const QWidget *widget = nullptr) const override;
+};
+
+#endif // MODERATION_HEADER_STYLE_H

cockatrice/src/interface/widgets/tabs/moderation_tab_style.cpp

@@ -0,0 +1,46 @@
+#include "moderation_tab_style.h"
+
+#include <QPalette>
+#include <QStyleOption>
+
+namespace
+{
+constexpr int UNDERLINE_HEIGHT = 2;
+constexpr qreal HOVER_WASH_ALPHA = 0.08;
+} // namespace
+
+ModerationTabStyle::ModerationTabStyle(QStyle *base) : QProxyStyle(base)
+{
+}
+
+void ModerationTabStyle::drawControl(ControlElement element,
+                                     const QStyleOption *option,
+                                     QPainter *painter,
+                                     const QWidget *widget) const
+{
+    if (element != CE_TabBarTabShape || option == nullptr || painter == nullptr) {
+        QProxyStyle::drawControl(element, option, painter, widget);
+        return;
+    }
+
+    const auto *tabOpt = qstyleoption_cast<const QStyleOptionTab *>(option);
+    if (tabOpt == nullptr) {
+        QProxyStyle::drawControl(element, option, painter, widget);
+        return;
+    }
+
+    painter->save();
+    painter->fillRect(tabOpt->rect, tabOpt->palette.window());
+
+    const bool enabled = (tabOpt->state & State_Enabled) != 0;
+    if ((tabOpt->state & State_Selected) != 0) {
+        const QRect underline(tabOpt->rect.left(), tabOpt->rect.bottom() - UNDERLINE_HEIGHT + 1, tabOpt->rect.width(),
+                              UNDERLINE_HEIGHT);
+        painter->fillRect(underline, tabOpt->palette.color(QPalette::Highlight));
+    } else if (enabled && (tabOpt->state & State_MouseOver) != 0) {
+        QColor wash = tabOpt->palette.color(QPalette::Highlight);
+        wash.setAlphaF(HOVER_WASH_ALPHA);
+        painter->fillRect(tabOpt->rect, wash);
+    }
+    painter->restore();
+}

cockatrice/src/interface/widgets/tabs/moderation_tab_style.h

@@ -0,0 +1,25 @@
+#ifndef MODERATION_TAB_STYLE_H
+#define MODERATION_TAB_STYLE_H
+
+#include <QProxyStyle>
+#include <qtmetamacros.h>
+
+/**
+ * Flat tab shapes for the moderation detail tabs (report queue detailTabs).
+ * Replaces the native tab frame with the palette Window background plus a
+ * 2px Highlight underline on the selected tab and a faint Highlight wash on
+ * hover. Labels (text, elide, focus) are left to the base style, so keyboard
+ * focus stays distinguishable.
+ */
+class ModerationTabStyle : public QProxyStyle
+{
+    Q_OBJECT
+public:
+    explicit ModerationTabStyle(QStyle *base = nullptr);
+    void drawControl(ControlElement element,
+                     const QStyleOption *option,
+                     QPainter *painter,
+                     const QWidget *widget = nullptr) const override;
+};
+
+#endif // MODERATION_TAB_STYLE_H

cockatrice/src/interface/widgets/tabs/tab_alts.cpp

@@ -4,6 +4,7 @@
 #include "alt_table_delegate.h"
 #include "libcockatrice/protocol/pb/response.pb.h"
 #include "libcockatrice/protocol/pb/response_user_alts.pb.h"
+#include "moderation_header_style.h"
 
 #include <QAbstractItemView>
 #include <QDateTime>
@@ -76,6 +77,7 @@ void configureAltTable(QTableWidget *table)
     table->setAlternatingRowColors(true);
     table->horizontalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents);
     table->horizontalHeader()->setStretchLastSection(true);
+    table->horizontalHeader()->setStyle(new ModerationHeaderStyle(table->horizontalHeader()->style()));
 }
 } // namespace
 

cockatrice/src/interface/widgets/tabs/tab_report.cpp

@@ -4,6 +4,8 @@
 #include "../utility/report_utils.h"
 #include "abstract_client.h"
 #include "libcockatrice/protocol/pb/response.pb.h"
+#include "moderation_header_style.h"
+#include "moderation_tab_style.h"
 #include "report_status_delegate.h"
 #include "tab_supervisor.h"
 
@@ -123,6 +125,7 @@ TabReport::TabReport(TabSupervisor *_tabSupervisor, AbstractClient *_client) : T
     table->horizontalHeader()->setSectionResizeMode(COL_TIME, QHeaderView::ResizeToContents);
     table->horizontalHeader()->setSectionResizeMode(COL_REPORTED, QHeaderView::Stretch);
     table->horizontalHeader()->setSectionResizeMode(COL_REPORTER, QHeaderView::ResizeToContents);
+    table->horizontalHeader()->setStyle(new ModerationHeaderStyle(table->horizontalHeader()->style()));
     connect(table, &QTableWidget::itemSelectionChanged, this, &TabReport::onSelectionChanged);
     table->setContextMenuPolicy(Qt::CustomContextMenu);
     connect(table, &QTableWidget::customContextMenuRequested, this, &TabReport::showTableContextMenu);
@@ -246,6 +249,7 @@ TabReport::TabReport(TabSupervisor *_tabSupervisor, AbstractClient *_client) : T
     });
 
     detailTabs = new QTabWidget;
+    detailTabs->tabBar()->setStyle(new ModerationTabStyle(detailTabs->tabBar()->style()));
     detailTabs->addTab(descPage, QString());
     detailTabs->addTab(chatPage, QString());
     detailTabs->addTab(commentsPage, QString());