51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
#include "emojitabbar.h"
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#include <QPainter>
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#include <QStyleOptionTab>
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EmojiTabBar::EmojiTabBar(QWidget *parent)
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: QTabBar(parent)
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{
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setDrawBase(false);
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setExpanding(false);
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setUsesScrollButtons(false);
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}
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void EmojiTabBar::paintEvent(QPaintEvent *event) {
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Q_UNUSED(event);
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QPainter p(this);
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p.setRenderHint(QPainter::Antialiasing);
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int w = width();
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int h = height();
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static const QColor bgColor(255, 255, 255);
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static const QColor activeTextColor(0x33, 0x90, 0xEC);
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static const QColor inactiveTextColor(0x8E, 0x8E, 0x93);
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static const QColor activeBarColor(0x33, 0x90, 0xEC);
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static const QColor separatorColor(0xE0, 0xE0, 0xE0);
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p.fillRect(rect(), bgColor);
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QFont f = font();
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f.setPointSize(f.pointSize() - 1);
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p.setFont(f);
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int current = currentIndex();
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for (int i = 0; i < count(); ++i) {
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QRect r = tabRect(i);
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if (!r.isValid()) continue;
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bool active = (i == current);
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p.setPen(active ? activeTextColor : inactiveTextColor);
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p.drawText(r, Qt::AlignHCenter | Qt::AlignVCenter, tabText(i));
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if (active) {
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int barX = r.left() + 4;
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int barW = r.width() - 8;
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p.fillRect(QRect(barX, h - 3, barW, 3), activeBarColor);
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}
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}
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p.fillRect(QRect(0, h - 1, w, 1), separatorColor);
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}
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