44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
#include "Wifi.h"
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#include "../Global.h"
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#include <QPainter>
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#include <QDebug>
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Wifi::Wifi(QWidget *parent) : QWidget(parent) {
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}
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void Wifi::paintEvent(QPaintEvent *event) {
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QPainter painter(this);
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// painter.fillRect(rect(), Qt::red);
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QRect window(0, 0, 20, 10);
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painter.setWindow(window);
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double w = window.width(), h = window.height();
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QRect drawRect = get_max_rect(rect(), w / h);
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painter.setViewport(drawRect);
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double rate = 1.5; // wife宽度 : 间隙宽度
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double base_height_rate = 0.2;
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double space_width = w/(1.0 * 4 + rate * 5);
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double strip_width = space_width * rate;
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double base_height = h * base_height_rate;
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double raise_height = h * (1.0 - base_height_rate)/4.0;
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double raise_width = space_width + strip_width;
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QRect text_rect = QRect(0, 0, (int)(raise_width * 2), (int)(base_height * 2));
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QFont font;
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font.setPixelSize(5);
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font.setBold(true);
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painter.setFont(font);
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QPen pen;
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pen.setColor(Qt::white);
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painter.setPen(pen);
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painter.drawText(text_rect, Qt::AlignJustify | Qt::AlignVCenter, "4G");
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for(int i = 0; i < 5; ++i){
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double cur_height = base_height + i * raise_height;
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double cur_x = 0 + raise_width * i;
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QColor color = i < value ? Qt::white : QColor(0, 0, 0, 50);
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painter.fillRect(QRectF(cur_x, h - cur_height, strip_width, cur_height), color);
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}
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painter.end();
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}
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