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新增电池电量控件

master
feiyangqingyun 2019-10-23 14:32:50 +08:00
parent 2b7cba8487
commit edcad1f34b
8 changed files with 699 additions and 1 deletions
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1
README.md
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@ -21,3 +21,4 @@
| 18 | saveruntime | 运行时间记录类 | | 18 | saveruntime | 运行时间记录类 |
| 19 | colorwidget | 颜色拾取器 | | 19 | colorwidget | 颜色拾取器 |
| 20 | maskwidget | 遮罩层窗体 | | 20 | maskwidget | 遮罩层窗体 |
| 21 | battery | 电池电量控件 |

386
battery/battery.cpp Normal file
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#pragma execution_character_set("utf-8")
#include "battery.h"
#include "qpainter.h"
#include "qtimer.h"
#include "qdebug.h"
Battery::Battery(QWidget *parent) : QWidget(parent)
{
minValue = 0;
maxValue = 100;
value = 0;
alarmValue = 30;
step = 0.5;
borderRadius = 8;
bgRadius = 5;
headRadius = 3;
borderColorStart = QColor(100, 100, 100);
borderColorEnd = QColor(80, 80, 80);
alarmColorStart = QColor(250, 118, 113);
alarmColorEnd = QColor(204, 38, 38);
normalColorStart = QColor(50, 205, 51);
normalColorEnd = QColor(60, 179, 133);
isForward = false;
currentValue = 0;
timer = new QTimer(this);
timer->setInterval(10);
connect(timer, SIGNAL(timeout()), this, SLOT(updateValue()));
}
Battery::~Battery()
{
if (timer->isActive()) {
timer->stop();
}
}
void Battery::paintEvent(QPaintEvent *)
{
//绘制准备工作,启用反锯齿
QPainter painter(this);
painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing);
//绘制边框
drawBorder(&painter);
//绘制背景
drawBg(&painter);
//绘制头部
drawHead(&painter);
}
void Battery::drawBorder(QPainter *painter)
{
painter->save();
double headWidth = width() / 10;
double batteryWidth = width() - headWidth;
//绘制电池边框
QPointF topLeft(5, 5);
QPointF bottomRight(batteryWidth, height() - 5);
batteryRect = QRectF(topLeft, bottomRight);
painter->setPen(QPen(borderColorStart, 5));
painter->setBrush(Qt::NoBrush);
painter->drawRoundedRect(batteryRect, borderRadius, borderRadius);
painter->restore();
}
void Battery::drawBg(QPainter *painter)
{
painter->save();
QLinearGradient batteryGradient(QPointF(0, 0), QPointF(0, height()));
if (currentValue <= alarmValue) {
batteryGradient.setColorAt(0.0, alarmColorStart);
batteryGradient.setColorAt(1.0, alarmColorEnd);
} else {
batteryGradient.setColorAt(0.0, normalColorStart);
batteryGradient.setColorAt(1.0, normalColorEnd);
}
int margin = qMin(width(), height()) / 20;
double unit = (batteryRect.width() - (margin * 2)) / 100;
double width = currentValue * unit;
QPointF topLeft(batteryRect.topLeft().x() + margin, batteryRect.topLeft().y() + margin);
QPointF bottomRight(width + margin + 5, batteryRect.bottomRight().y() - margin);
QRectF rect(topLeft, bottomRight);
painter->setPen(Qt::NoPen);
painter->setBrush(batteryGradient);
painter->drawRoundedRect(rect, bgRadius, bgRadius);
painter->restore();
}
void Battery::drawHead(QPainter *painter)
{
painter->save();
QPointF headRectTopLeft(batteryRect.topRight().x(), height() / 3);
QPointF headRectBottomRight(width(), height() - height() / 3);
QRectF headRect(headRectTopLeft, headRectBottomRight);
QLinearGradient headRectGradient(headRect.topLeft(), headRect.bottomLeft());
headRectGradient.setColorAt(0.0, borderColorStart);
headRectGradient.setColorAt(1.0, borderColorEnd);
painter->setPen(Qt::NoPen);
painter->setBrush(headRectGradient);
painter->drawRoundedRect(headRect, headRadius, headRadius);
painter->restore();
}
void Battery::updateValue()
{
if (isForward) {
currentValue -= step;
if (currentValue <= value) {
timer->stop();
}
} else {
currentValue += step;
if (currentValue >= value) {
timer->stop();
}
}
this->update();
}
double Battery::getMinValue() const
{
return this->minValue;
}
double Battery::getMaxValue() const
{
return this->maxValue;
}
double Battery::getValue() const
{
return this->value;
}
double Battery::getAlarmValue() const
{
return this->alarmValue;
}
double Battery::getStep() const
{
return this->step;
}
int Battery::getBorderRadius() const
{
return this->borderRadius;
}
int Battery::getBgRadius() const
{
return this->bgRadius;
}
int Battery::getHeadRadius() const
{
return this->headRadius;
}
QColor Battery::getBorderColorStart() const
{
return this->borderColorStart;
}
QColor Battery::getBorderColorEnd() const
{
return this->borderColorEnd;
}
QColor Battery::getAlarmColorStart() const
{
return this->alarmColorStart;
}
QColor Battery::getAlarmColorEnd() const
{
return this->alarmColorEnd;
}
QColor Battery::getNormalColorStart() const
{
return this->normalColorStart;
}
QColor Battery::getNormalColorEnd() const
{
return this->normalColorEnd;
}
QSize Battery::sizeHint() const
{
return QSize(150, 80);
}
QSize Battery::minimumSizeHint() const
{
return QSize(30, 10);
}
void Battery::setRange(double minValue, double maxValue)
{
//如果最小值大于或者等于最大值则不设置
if (minValue >= maxValue) {
return;
}
this->minValue = minValue;
this->maxValue = maxValue;
//如果目标值不在范围值内,则重新设置目标值
//值小于最小值则取最小值,大于最大值则取最大值
if (value < minValue) {
setValue(minValue);
} else if (value > maxValue) {
setValue(maxValue);
}
this->update();
}
void Battery::setRange(int minValue, int maxValue)
{
setRange((double)minValue, (double)maxValue);
}
void Battery::setMinValue(double minValue)
{
setRange(minValue, maxValue);
}
void Battery::setMaxValue(double maxValue)
{
setRange(minValue, maxValue);
}
void Battery::setValue(double value)
{
//值和当前值一致则无需处理
if (value == this->value) {
return;
}
//值小于最小值则取最小值,大于最大值则取最大值
if (value < minValue) {
value = minValue;
} else if (value > maxValue) {
value = maxValue;
}
if (value > currentValue) {
isForward = false;
} else if (value < currentValue) {
isForward = true;
} else {
return;
}
this->value = value;
this->update();
emit valueChanged(value);
timer->start();
}
void Battery::setValue(int value)
{
setValue((double)value);
}
void Battery::setAlarmValue(double alarmValue)
{
if (this->alarmValue != alarmValue) {
this->alarmValue = alarmValue;
this->update();
}
}
void Battery::setAlarmValue(int alarmValue)
{
setAlarmValue((double)alarmValue);
}
void Battery::setStep(double step)
{
if (this->step != step) {
this->step = step;
this->update();
}
}
void Battery::setStep(int step)
{
setStep((double)step);
}
void Battery::setBorderRadius(int borderRadius)
{
if (this->borderRadius != borderRadius) {
this->borderRadius = borderRadius;
this->update();
}
}
void Battery::setBgRadius(int bgRadius)
{
if (this->bgRadius != bgRadius) {
this->bgRadius = bgRadius;
this->update();
}
}
void Battery::setHeadRadius(int headRadius)
{
if (this->headRadius != headRadius) {
this->headRadius = headRadius;
this->update();
}
}
void Battery::setBorderColorStart(const QColor &borderColorStart)
{
if (this->borderColorStart != borderColorStart) {
this->borderColorStart = borderColorStart;
this->update();
}
}
void Battery::setBorderColorEnd(const QColor &borderColorEnd)
{
if (this->borderColorEnd != borderColorEnd) {
this->borderColorEnd = borderColorEnd;
this->update();
}
}
void Battery::setAlarmColorStart(const QColor &alarmColorStart)
{
if (this->alarmColorStart != alarmColorStart) {
this->alarmColorStart = alarmColorStart;
this->update();
}
}
void Battery::setAlarmColorEnd(const QColor &alarmColorEnd)
{
if (this->alarmColorEnd != alarmColorEnd) {
this->alarmColorEnd = alarmColorEnd;
this->update();
}
}
void Battery::setNormalColorStart(const QColor &normalColorStart)
{
if (this->normalColorStart != normalColorStart) {
this->normalColorStart = normalColorStart;
this->update();
}
}
void Battery::setNormalColorEnd(const QColor &normalColorEnd)
{
if (this->normalColorEnd != normalColorEnd) {
this->normalColorEnd = normalColorEnd;
this->update();
}
}

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battery/battery.h Normal file
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#ifndef BATTERY_H
#define BATTERY_H
/**
* 电池电量控件 作者:feiyangqingyun(QQ:517216493) 2016-10-23
* 1:可设置电池电量,动态切换电池电量变化
* 2:可设置电池电量警戒值
* 3:可设置电池电量正常颜色和报警颜色
* 4:可设置边框渐变颜色
* 5:可设置电量变化时每次移动的步长
* 6:可设置边框圆角角度/背景进度圆角角度/头部圆角角度
*/
#include <QWidget>
#ifdef quc
#if (QT_VERSION < QT_VERSION_CHECK(5,7,0))
#include <QtDesigner/QDesignerExportWidget>
#else
#include <QtUiPlugin/QDesignerExportWidget>
#endif
class QDESIGNER_WIDGET_EXPORT Battery : public QWidget
#else
class Battery : public QWidget
#endif
{
Q_OBJECT
Q_PROPERTY(double minValue READ getMinValue WRITE setMinValue)
Q_PROPERTY(double maxValue READ getMaxValue WRITE setMaxValue)
Q_PROPERTY(double value READ getValue WRITE setValue)
Q_PROPERTY(double alarmValue READ getAlarmValue WRITE setAlarmValue)
Q_PROPERTY(double step READ getStep WRITE setStep)
Q_PROPERTY(int borderRadius READ getBorderRadius WRITE setBorderRadius)
Q_PROPERTY(int bgRadius READ getBgRadius WRITE setBgRadius)
Q_PROPERTY(int headRadius READ getHeadRadius WRITE setHeadRadius)
Q_PROPERTY(QColor borderColorStart READ getBorderColorStart WRITE setBorderColorStart)
Q_PROPERTY(QColor borderColorEnd READ getBorderColorEnd WRITE setBorderColorEnd)
Q_PROPERTY(QColor alarmColorStart READ getAlarmColorStart WRITE setAlarmColorStart)
Q_PROPERTY(QColor alarmColorEnd READ getAlarmColorEnd WRITE setAlarmColorEnd)
Q_PROPERTY(QColor normalColorStart READ getNormalColorStart WRITE setNormalColorStart)
Q_PROPERTY(QColor normalColorEnd READ getNormalColorEnd WRITE setNormalColorEnd)
public:
explicit Battery(QWidget *parent = 0);
~Battery();
protected:
void paintEvent(QPaintEvent *);
void drawBorder(QPainter *painter);
void drawBg(QPainter *painter);
void drawHead(QPainter *painter);
private slots:
void updateValue();
private:
double minValue; //最小值
double maxValue; //最大值
double value; //目标电量
double alarmValue; //电池电量警戒值
double step; //每次移动的步长
int borderRadius; //边框圆角角度
int bgRadius; //背景进度圆角角度
int headRadius; //头部圆角角度
QColor borderColorStart; //边框渐变开始颜色
QColor borderColorEnd; //边框渐变结束颜色
QColor alarmColorStart; //电池低电量时的渐变开始颜色
QColor alarmColorEnd; //电池低电量时的渐变结束颜色
QColor normalColorStart; //电池正常电量时的渐变开始颜色
QColor normalColorEnd; //电池正常电量时的渐变结束颜色
bool isForward; //是否往前移
double currentValue; //当前电量
QRectF batteryRect; //电池主体区域
QTimer *timer; //绘制定时器
public:
double getMinValue() const;
double getMaxValue() const;
double getValue() const;
double getAlarmValue() const;
double getStep() const;
int getBorderRadius() const;
int getBgRadius() const;
int getHeadRadius() const;
QColor getBorderColorStart() const;
QColor getBorderColorEnd() const;
QColor getAlarmColorStart() const;
QColor getAlarmColorEnd() const;
QColor getNormalColorStart() const;
QColor getNormalColorEnd() const;
QSize sizeHint() const;
QSize minimumSizeHint() const;
public Q_SLOTS:
//设置范围值
void setRange(double minValue, double maxValue);
void setRange(int minValue, int maxValue);
//设置最大最小值
void setMinValue(double minValue);
void setMaxValue(double maxValue);
//设置电池电量值
void setValue(double value);
void setValue(int value);
//设置电池电量警戒值
void setAlarmValue(double alarmValue);
void setAlarmValue(int alarmValue);
//设置步长
void setStep(double step);
void setStep(int step);
//设置边框圆角角度
void setBorderRadius(int borderRadius);
//设置背景圆角角度
void setBgRadius(int bgRadius);
//设置头部圆角角度
void setHeadRadius(int headRadius);
//设置边框渐变颜色
void setBorderColorStart(const QColor &borderColorStart);
void setBorderColorEnd(const QColor &borderColorEnd);
//设置电池电量报警时的渐变颜色
void setAlarmColorStart(const QColor &alarmColorStart);
void setAlarmColorEnd(const QColor &alarmColorEnd);
//设置电池电量正常时的渐变颜色
void setNormalColorStart(const QColor &normalColorStart);
void setNormalColorEnd(const QColor &normalColorEnd);
Q_SIGNALS:
void valueChanged(double value);
};
#endif // BATTERY_H

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battery/battery.pro Normal file
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#-------------------------------------------------
#
# Project created by QtCreator 2017-02-08T09:46:02
#
#-------------------------------------------------
QT += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = battery
TEMPLATE = app
DESTDIR = $$PWD/../bin
CONFIG += warn_off
SOURCES += main.cpp
SOURCES += frmbattery.cpp
SOURCES += battery.cpp
HEADERS += frmbattery.h
HEADERS += battery.h
FORMS += frmbattery.ui

21
battery/frmbattery.cpp Normal file
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#pragma execution_character_set("utf-8")
#include "frmbattery.h"
#include "ui_frmbattery.h"
frmBattery::frmBattery(QWidget *parent) : QWidget(parent), ui(new Ui::frmBattery)
{
ui->setupUi(this);
this->initForm();
}
frmBattery::~frmBattery()
{
delete ui;
}
void frmBattery::initForm()
{
connect(ui->horizontalSlider, SIGNAL(valueChanged(int)), ui->battery, SLOT(setValue(int)));
ui->horizontalSlider->setValue(30);
}

26
battery/frmbattery.h Normal file
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#ifndef FRMBATTERY_H
#define FRMBATTERY_H
#include <QWidget>
namespace Ui
{
class frmBattery;
}
class frmBattery : public QWidget
{
Q_OBJECT
public:
explicit frmBattery(QWidget *parent = 0);
~frmBattery();
private:
Ui::frmBattery *ui;
private slots:
void initForm();
};
#endif // FRMBATTERY_H

56
battery/frmbattery.ui Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>frmBattery</class>
<widget class="QWidget" name="frmBattery">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>500</width>
<height>300</height>
</rect>
</property>
<property name="windowTitle">
<string>Form</string>
</property>
<widget class="Battery" name="battery" native="true">
<property name="geometry">
<rect>
<x>9</x>
<y>9</y>
<width>482</width>
<height>257</height>
</rect>
</property>
</widget>
<widget class="QSlider" name="horizontalSlider">
<property name="geometry">
<rect>
<x>9</x>
<y>272</y>
<width>481</width>
<height>19</height>
</rect>
</property>
<property name="maximum">
<number>100</number>
</property>
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="invertedControls">
<bool>false</bool>
</property>
</widget>
</widget>
<customwidgets>
<customwidget>
<class>Battery</class>
<extends>QWidget</extends>
<header>battery.h</header>
<container>1</container>
</customwidget>
</customwidgets>
<resources/>
<connections/>
</ui>

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battery/main.cpp Normal file
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#pragma execution_character_set("utf-8")
#include "frmbattery.h"
#include <QApplication>
#include <QTextCodec>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
a.setFont(QFont("Microsoft Yahei", 9));
#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
#if _MSC_VER
QTextCodec *codec = QTextCodec::codecForName("gbk");
#else
QTextCodec *codec = QTextCodec::codecForName("utf-8");
#endif
QTextCodec::setCodecForLocale(codec);
QTextCodec::setCodecForCStrings(codec);
QTextCodec::setCodecForTr(codec);
#else
QTextCodec *codec = QTextCodec::codecForName("utf-8");
QTextCodec::setCodecForLocale(codec);
#endif
frmBattery w;
w.setWindowTitle("电池电量控件");
w.show();
return a.exec();
}