qt_demoe/navbutton/navbutton.cpp

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2019-09-30 05:00:59 +00:00
#pragma execution_character_set("utf-8")
#include "navbutton.h"
#include "qpainter.h"
#include "qdebug.h"
NavButton::NavButton(QWidget *parent) : QPushButton(parent)
{
paddingLeft = 20;
paddingRight = 5;
paddingTop = 5;
paddingBottom = 5;
textAlign = TextAlign_Left;
showTriangle = false;
triangleLen = 5;
trianglePosition = TrianglePosition_Right;
triangleColor = QColor(255, 255, 255);
showIcon = false;
iconSpace = 10;
iconSize = QSize(16, 16);
iconNormal = QPixmap();
iconHover = QPixmap();
iconCheck = QPixmap();
showLine = true;
lineSpace = 0;
lineWidth = 5;
linePosition = LinePosition_Left;
lineColor = QColor(0, 187, 158);
normalBgColor = QColor(230, 230, 230);
hoverBgColor = QColor(130, 130, 130);
checkBgColor = QColor(80, 80, 80);
normalTextColor = QColor(100, 100, 100);
hoverTextColor = QColor(255, 255, 255);
checkTextColor = QColor(255, 255, 255);
normalBgBrush = Qt::NoBrush;
hoverBgBrush = Qt::NoBrush;
checkBgBrush = Qt::NoBrush;
hover = false;
setCheckable(true);
}
void NavButton::enterEvent(QEvent *)
{
hover = true;
this->update();
}
void NavButton::leaveEvent(QEvent *)
{
hover = false;
this->update();
}
void NavButton::paintEvent(QPaintEvent *)
{
//绘制准备工作,启用反锯齿
QPainter painter(this);
painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing);
//绘制背景
drawBg(&painter);
//绘制文字
drawText(&painter);
//绘制图标
drawIcon(&painter);
//绘制边框线条
drawLine(&painter);
//绘制倒三角
drawTriangle(&painter);
}
void NavButton::drawBg(QPainter *painter)
{
painter->save();
painter->setPen(Qt::NoPen);
int width = this->width();
int height = this->height();
QRect bgRect;
if (linePosition == LinePosition_Left) {
bgRect = QRect(lineSpace, 0, width - lineSpace, height);
} else if (linePosition == LinePosition_Right) {
bgRect = QRect(0, 0, width - lineSpace, height);
} else if (linePosition == LinePosition_Top) {
bgRect = QRect(0, lineSpace, width, height - lineSpace);
} else if (linePosition == LinePosition_Bottom) {
bgRect = QRect(0, 0, width, height - lineSpace);
}
//如果画刷存在则取画刷
QBrush bgBrush;
if (isChecked()) {
bgBrush = checkBgBrush;
} else if (hover) {
bgBrush = hoverBgBrush;
} else {
bgBrush = normalBgBrush;
}
if (bgBrush != Qt::NoBrush) {
painter->setBrush(bgBrush);
} else {
//根据当前状态选择对应颜色
QColor bgColor;
if (isChecked()) {
bgColor = checkBgColor;
} else if (hover) {
bgColor = hoverBgColor;
} else {
bgColor = normalBgColor;
}
painter->setBrush(bgColor);
}
painter->drawRect(bgRect);
painter->restore();
}
void NavButton::drawText(QPainter *painter)
{
painter->save();
painter->setBrush(Qt::NoBrush);
//根据当前状态选择对应颜色
QColor textColor;
if (isChecked()) {
textColor = checkTextColor;
} else if (hover) {
textColor = hoverTextColor;
} else {
textColor = normalTextColor;
}
QRect textRect = QRect(paddingLeft, paddingTop, width() - paddingLeft - paddingRight, height() - paddingTop - paddingBottom);
painter->setPen(textColor);
painter->drawText(textRect, textAlign | Qt::AlignVCenter, text());
painter->restore();
}
void NavButton::drawIcon(QPainter *painter)
{
if (!showIcon) {
return;
}
painter->save();
QPixmap pix;
if (isChecked()) {
pix = iconCheck;
} else if (hover) {
pix = iconHover;
} else {
pix = iconNormal;
}
if (!pix.isNull()) {
//等比例平滑缩放图标
pix = pix.scaled(iconSize, Qt::KeepAspectRatio, Qt::SmoothTransformation);
painter->drawPixmap(iconSpace, (height() - iconSize.height()) / 2, pix);
}
painter->restore();
}
void NavButton::drawLine(QPainter *painter)
{
if (!showLine) {
return;
}
if (!isChecked()) {
return;
}
painter->save();
QPen pen;
pen.setWidth(lineWidth);
pen.setColor(lineColor);
painter->setPen(pen);
//根据线条位置设置线条坐标
QPoint pointStart, pointEnd;
if (linePosition == LinePosition_Left) {
pointStart = QPoint(0, 0);
pointEnd = QPoint(0, height());
} else if (linePosition == LinePosition_Right) {
pointStart = QPoint(width(), 0);
pointEnd = QPoint(width(), height());
} else if (linePosition == LinePosition_Top) {
pointStart = QPoint(0, 0);
pointEnd = QPoint(width(), 0);
} else if (linePosition == LinePosition_Bottom) {
pointStart = QPoint(0, height());
pointEnd = QPoint(width(), height());
}
painter->drawLine(pointStart, pointEnd);
painter->restore();
}
void NavButton::drawTriangle(QPainter *painter)
{
if (!showTriangle) {
return;
}
//选中或者悬停显示
if (!hover && !isChecked()) {
return;
}
painter->save();
painter->setPen(Qt::NoPen);
painter->setBrush(triangleColor);
//绘制在右侧中间,根据设定的倒三角的边长设定三个点位置
int width = this->width();
int height = this->height();
int midWidth = width / 2;
int midHeight = height / 2;
QPolygon pts;
if (trianglePosition == TrianglePosition_Left) {
pts.setPoints(3, triangleLen, midHeight, 0, midHeight - triangleLen, 0, midHeight + triangleLen);
} else if (trianglePosition == TrianglePosition_Right) {
pts.setPoints(3, width - triangleLen, midHeight, width, midHeight - triangleLen, width, midHeight + triangleLen);
} else if (trianglePosition == TrianglePosition_Top) {
pts.setPoints(3, midWidth, triangleLen, midWidth - triangleLen, 0, midWidth + triangleLen, 0);
} else if (trianglePosition == TrianglePosition_Bottom) {
pts.setPoints(3, midWidth, height - triangleLen, midWidth - triangleLen, height, midWidth + triangleLen, height);
}
painter->drawPolygon(pts);
painter->restore();
}
int NavButton::getPaddingLeft() const
{
return this->paddingLeft;
}
int NavButton::getPaddingRight() const
{
return this->paddingRight;
}
int NavButton::getPaddingTop() const
{
return this->paddingTop;
}
int NavButton::getPaddingBottom() const
{
return this->paddingBottom;
}
NavButton::TextAlign NavButton::getTextAlign() const
{
return this->textAlign;
}
bool NavButton::getShowTriangle() const
{
return this->showTriangle;
}
int NavButton::getTriangleLen() const
{
return this->triangleLen;
}
NavButton::TrianglePosition NavButton::getTrianglePosition() const
{
return this->trianglePosition;
}
QColor NavButton::getTriangleColor() const
{
return this->triangleColor;
}
bool NavButton::getShowIcon() const
{
return this->showIcon;
}
int NavButton::getIconSpace() const
{
return this->iconSpace;
}
QSize NavButton::getIconSize() const
{
return this->iconSize;
}
QPixmap NavButton::getIconNormal() const
{
return this->iconNormal;
}
QPixmap NavButton::getIconHover() const
{
return this->iconHover;
}
QPixmap NavButton::getIconCheck() const
{
return this->iconCheck;
}
bool NavButton::getShowLine() const
{
return this->showLine;
}
int NavButton::getLineSpace() const
{
return this->lineSpace;
}
int NavButton::getLineWidth() const
{
return this->lineWidth;
}
NavButton::LinePosition NavButton::getLinePosition() const
{
return this->linePosition;
}
QColor NavButton::getLineColor() const
{
return this->lineColor;
}
QColor NavButton::getNormalBgColor() const
{
return this->normalBgColor;
}
QColor NavButton::getHoverBgColor() const
{
return this->hoverBgColor;
}
QColor NavButton::getCheckBgColor() const
{
return this->checkBgColor;
}
QColor NavButton::getNormalTextColor() const
{
return this->normalTextColor;
}
QColor NavButton::getHoverTextColor() const
{
return this->hoverTextColor;
}
QColor NavButton::getCheckTextColor() const
{
return this->checkTextColor;
}
QSize NavButton::sizeHint() const
{
return QSize(100, 30);
}
QSize NavButton::minimumSizeHint() const
{
return QSize(20, 10);
}
void NavButton::setPaddingLeft(int paddingLeft)
{
if (this->paddingLeft != paddingLeft) {
this->paddingLeft = paddingLeft;
this->update();
}
}
void NavButton::setPaddingRight(int paddingRight)
{
if (this->paddingRight != paddingRight) {
this->paddingRight = paddingRight;
this->update();
}
}
void NavButton::setPaddingTop(int paddingTop)
{
if (this->paddingTop != paddingTop) {
this->paddingTop = paddingTop;
this->update();
}
}
void NavButton::setPaddingBottom(int paddingBottom)
{
if (this->paddingBottom != paddingBottom) {
this->paddingBottom = paddingBottom;
this->update();
}
}
void NavButton::setPadding(int padding)
{
setPadding(padding, padding, padding, padding);
}
void NavButton::setPadding(int paddingLeft, int paddingRight, int paddingTop, int paddingBottom)
{
this->paddingLeft = paddingLeft;
this->paddingRight = paddingRight;
this->paddingTop = paddingTop;
this->paddingBottom = paddingBottom;
this->update();
}
void NavButton::setTextAlign(const NavButton::TextAlign &textAlign)
{
if (this->textAlign != textAlign) {
this->textAlign = textAlign;
this->update();
}
}
void NavButton::setShowTriangle(bool showTriangle)
{
if (this->showTriangle != showTriangle) {
this->showTriangle = showTriangle;
this->update();
}
}
void NavButton::setTriangleLen(int triangleLen)
{
if (this->triangleLen != triangleLen) {
this->triangleLen = triangleLen;
this->update();
}
}
void NavButton::setTrianglePosition(const NavButton::TrianglePosition &trianglePosition)
{
if (this->trianglePosition != trianglePosition) {
this->trianglePosition = trianglePosition;
this->update();
}
}
void NavButton::setTriangleColor(const QColor &triangleColor)
{
if (this->triangleColor != triangleColor) {
this->triangleColor = triangleColor;
this->update();
}
}
void NavButton::setShowIcon(bool showIcon)
{
if (this->showIcon != showIcon) {
this->showIcon = showIcon;
this->update();
}
}
void NavButton::setIconSpace(int iconSpace)
{
if (this->iconSpace != iconSpace) {
this->iconSpace = iconSpace;
this->update();
}
}
void NavButton::setIconSize(const QSize &iconSize)
{
if (this->iconSize != iconSize) {
this->iconSize = iconSize;
this->update();
}
}
void NavButton::setIconNormal(const QPixmap &iconNormal)
{
this->iconNormal = iconNormal;
this->update();
}
void NavButton::setIconHover(const QPixmap &iconHover)
{
this->iconHover = iconHover;
this->update();
}
void NavButton::setIconCheck(const QPixmap &iconCheck)
{
this->iconCheck = iconCheck;
this->update();
}
void NavButton::setShowLine(bool showLine)
{
if (this->showLine != showLine) {
this->showLine = showLine;
this->update();
}
}
void NavButton::setLineSpace(int lineSpace)
{
if (this->lineSpace != lineSpace) {
this->lineSpace = lineSpace;
this->update();
}
}
void NavButton::setLineWidth(int lineWidth)
{
if (this->lineWidth != lineWidth) {
this->lineWidth = lineWidth;
this->update();
}
}
void NavButton::setLinePosition(const NavButton::LinePosition &linePosition)
{
if (this->linePosition != linePosition) {
this->linePosition = linePosition;
this->update();
}
}
void NavButton::setLineColor(const QColor &lineColor)
{
if (this->lineColor != lineColor) {
this->lineColor = lineColor;
this->update();
}
}
void NavButton::setNormalBgColor(const QColor &normalBgColor)
{
if (this->normalBgColor != normalBgColor) {
this->normalBgColor = normalBgColor;
this->update();
}
}
void NavButton::setHoverBgColor(const QColor &hoverBgColor)
{
if (this->hoverBgColor != hoverBgColor) {
this->hoverBgColor = hoverBgColor;
this->update();
}
}
void NavButton::setCheckBgColor(const QColor &checkBgColor)
{
if (this->checkBgColor != checkBgColor) {
this->checkBgColor = checkBgColor;
this->update();
}
}
void NavButton::setNormalTextColor(const QColor &normalTextColor)
{
if (this->normalTextColor != normalTextColor) {
this->normalTextColor = normalTextColor;
this->update();
}
}
void NavButton::setHoverTextColor(const QColor &hoverTextColor)
{
if (this->hoverTextColor != hoverTextColor) {
this->hoverTextColor = hoverTextColor;
this->update();
}
}
void NavButton::setCheckTextColor(const QColor &checkTextColor)
{
if (this->checkTextColor != checkTextColor) {
this->checkTextColor = checkTextColor;
this->update();
}
}
void NavButton::setNormalBgBrush(const QBrush &normalBgBrush)
{
if (this->normalBgBrush != normalBgBrush) {
this->normalBgBrush = normalBgBrush;
this->update();
}
}
void NavButton::setHoverBgBrush(const QBrush &hoverBgBrush)
{
if (this->hoverBgBrush != hoverBgBrush) {
this->hoverBgBrush = hoverBgBrush;
this->update();
}
}
void NavButton::setCheckBgBrush(const QBrush &checkBgBrush)
{
if (this->checkBgBrush != checkBgBrush) {
this->checkBgBrush = checkBgBrush;
this->update();
}
}