qt_demoe/core_qui/iconhelper.cpp

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#include "iconhelper.h"
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IconHelper *IconHelper::iconFontAliBaBa = 0;
IconHelper *IconHelper::iconFontAwesome = 0;
void IconHelper::initFont()
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{
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static bool isInit = false;
if (!isInit) {
isInit = true;
if (iconFontAliBaBa == 0) {
iconFontAliBaBa = new IconHelper(":/image/iconfont.ttf", "iconfont");
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}
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if (iconFontAwesome == 0) {
iconFontAwesome = new IconHelper(":/image/fontawesome-webfont.ttf", "FontAwesome");
}
}
}
void IconHelper::setIcon(QLabel *lab, int icon, quint32 size)
{
initFont();
//自动根据不同的字体的值选择对应的类,fontawesome 0xf开头 iconfont 0xe开头
if (icon > 0xe000 && icon < 0xf000) {
iconFontAliBaBa->setIcon1(lab, icon, size);
} else if (icon > 0xf000) {
iconFontAwesome->setIcon1(lab, icon, size);
}
}
void IconHelper::setIcon(QAbstractButton *btn, int icon, quint32 size)
{
initFont();
//自动根据不同的字体的值选择对应的类,fontawesome 0xf开头 iconfont 0xe开头
if (icon > 0xe000 && icon < 0xf000) {
iconFontAliBaBa->setIcon1(btn, icon, size);
} else if (icon > 0xf000) {
iconFontAwesome->setIcon1(btn, icon, size);
}
}
void IconHelper::setPixmap(QAbstractButton *btn, const QColor &color, int icon, quint32 size,
quint32 width, quint32 height, int flags)
{
initFont();
//自动根据不同的字体的值选择对应的类,fontawesome 0xf开头 iconfont 0xe开头
if (icon > 0xe000 && icon < 0xf000) {
iconFontAliBaBa->setPixmap1(btn, color, icon, size, width, height, flags);
} else if (icon > 0xf000) {
iconFontAwesome->setPixmap1(btn, color, icon, size, width, height, flags);
}
}
QPixmap IconHelper::getPixmap(const QColor &color, int icon, quint32 size,
quint32 width, quint32 height, int flags)
{
initFont();
//自动根据不同的字体的值选择对应的类,fontawesome 0xf开头 iconfont 0xe开头
QPixmap pix;
if (icon > 0xe000 && icon < 0xf000) {
pix = iconFontAliBaBa->getPixmap1(color, icon, size, width, height, flags);
} else if (icon > 0xf000) {
pix = iconFontAwesome->getPixmap1(color, icon, size, width, height, flags);
}
return pix;
}
void IconHelper::setStyle(QWidget *widget, QList<QPushButton *> btns,
QList<int> icons, const IconHelper::StyleColor &styleColor)
{
initFont();
//自动根据不同的字体的值选择对应的类,fontawesome 0xf开头 iconfont 0xe开头
int icon = icons.first();
if (icon > 0xe000 && icon < 0xf000) {
iconFontAliBaBa->setStyle1(widget, btns, icons, styleColor);
} else if (icon > 0xf000) {
iconFontAwesome->setStyle1(widget, btns, icons, styleColor);
}
}
void IconHelper::setStyle(QWidget *widget, QList<QToolButton *> btns,
QList<int> icons, const IconHelper::StyleColor &styleColor)
{
initFont();
//自动根据不同的字体的值选择对应的类,fontawesome 0xf开头 iconfont 0xe开头
int icon = icons.first();
if (icon > 0xe000 && icon < 0xf000) {
iconFontAliBaBa->setStyle1(widget, btns, icons, styleColor);
} else if (icon > 0xf000) {
iconFontAwesome->setStyle1(widget, btns, icons, styleColor);
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}
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}
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void IconHelper::setStyle(QWidget *widget, QList<QAbstractButton *> btns,
QList<int> icons, const IconHelper::StyleColor &styleColor)
{
initFont();
//自动根据不同的字体的值选择对应的类,fontawesome 0xf开头 iconfont 0xe开头
int icon = icons.first();
if (icon > 0xe000 && icon < 0xf000) {
iconFontAliBaBa->setStyle1(widget, btns, icons, styleColor);
} else if (icon > 0xf000) {
iconFontAwesome->setStyle1(widget, btns, icons, styleColor);
}
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}
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IconHelper::IconHelper(const QString &fontFile, const QString &fontName, QObject *parent) : QObject(parent)
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{
//判断图形字体是否存在,不存在则加入
QFontDatabase fontDb;
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if (!fontDb.families().contains(fontName)) {
int fontId = fontDb.addApplicationFont(fontFile);
QStringList listName = fontDb.applicationFontFamilies(fontId);
if (listName.count() == 0) {
qDebug() << QString("load %1 error").arg(fontName);
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}
}
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if (fontDb.families().contains(fontName)) {
iconFont = QFont(fontName);
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#if (QT_VERSION >= QT_VERSION_CHECK(4,8,0))
iconFont.setHintingPreference(QFont::PreferNoHinting);
#endif
}
}
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bool IconHelper::eventFilter(QObject *watched, QEvent *event)
{
//根据不同的
if (watched->inherits("QAbstractButton")) {
QAbstractButton *btn = (QAbstractButton *)watched;
int index = btns.indexOf(btn);
if (index >= 0) {
//不同的事件设置不同的图标,同时区分选中的和没有选中的
if (btn->isChecked()) {
if (event->type() == QEvent::MouseButtonPress) {
QMouseEvent *mouseEvent = (QMouseEvent *)event;
if (mouseEvent->button() == Qt::LeftButton) {
btn->setIcon(QIcon(pixChecked.at(index)));
}
} else if (event->type() == QEvent::Enter) {
btn->setIcon(QIcon(pixChecked.at(index)));
} else if (event->type() == QEvent::Leave) {
btn->setIcon(QIcon(pixChecked.at(index)));
}
} else {
if (event->type() == QEvent::MouseButtonPress) {
QMouseEvent *mouseEvent = (QMouseEvent *)event;
if (mouseEvent->button() == Qt::LeftButton) {
btn->setIcon(QIcon(pixPressed.at(index)));
}
} else if (event->type() == QEvent::Enter) {
btn->setIcon(QIcon(pixHover.at(index)));
} else if (event->type() == QEvent::Leave) {
btn->setIcon(QIcon(pixNormal.at(index)));
}
}
}
}
return QObject::eventFilter(watched, event);
}
void IconHelper::toggled(bool checked)
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{
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//选中和不选中设置不同的图标
QAbstractButton *btn = (QAbstractButton *)sender();
int index = btns.indexOf(btn);
if (checked) {
btn->setIcon(QIcon(pixChecked.at(index)));
} else {
btn->setIcon(QIcon(pixNormal.at(index)));
}
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}
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void IconHelper::setIcon1(QLabel *lab, int icon, quint32 size)
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{
iconFont.setPixelSize(size);
lab->setFont(iconFont);
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lab->setText((QChar)icon);
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}
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void IconHelper::setIcon1(QAbstractButton *btn, int icon, quint32 size)
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{
iconFont.setPixelSize(size);
btn->setFont(iconFont);
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btn->setText((QChar)icon);
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}
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void IconHelper::setPixmap1(QAbstractButton *btn, const QColor &color, int icon, quint32 size,
quint32 width, quint32 height, int flags)
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{
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btn->setIcon(getPixmap1(color, icon, size, width, height, flags));
}
QPixmap IconHelper::getPixmap1(const QColor &color, int icon, quint32 size,
quint32 width, quint32 height, int flags)
{
//主动绘制图形字体到图片
QPixmap pix(width, height);
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pix.fill(Qt::transparent);
QPainter painter;
painter.begin(&pix);
painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing);
painter.setPen(color);
iconFont.setPixelSize(size);
painter.setFont(iconFont);
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painter.drawText(pix.rect(), flags, (QChar)icon);
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painter.end();
return pix;
}
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void IconHelper::setStyle1(QWidget *widget, QList<QPushButton *> btns, QList<int> icons, const IconHelper::StyleColor &styleColor)
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{
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QList<QAbstractButton *> list;
foreach (QPushButton *btn, btns) {
list << btn;
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}
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setStyle(widget, list, icons, styleColor);
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}
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void IconHelper::setStyle1(QWidget *widget, QList<QToolButton *> btns, QList<int> icons, const IconHelper::StyleColor &styleColor)
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{
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QList<QAbstractButton *> list;
foreach (QToolButton *btn, btns) {
list << btn;
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}
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setStyle(widget, list, icons, styleColor);
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}
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void IconHelper::setStyle1(QWidget *widget, QList<QAbstractButton *> btns, QList<int> icons, const IconHelper::StyleColor &styleColor)
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{
int btnCount = btns.count();
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int iconCount = icons.count();
if (btnCount <= 0 || iconCount <= 0 || btnCount != iconCount) {
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return;
}
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QString position = styleColor.position;
quint32 iconSize = styleColor.iconSize;
quint32 iconWidth = styleColor.iconWidth;
quint32 iconHeight = styleColor.iconHeight;
quint32 borderWidth = styleColor.borderWidth;
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//根据不同的位置计算边框
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QString strBorder;
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if (position == "top") {
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strBorder = QString("border-width:%1px 0px 0px 0px;padding-top:%1px;padding-bottom:%2px;")
.arg(borderWidth).arg(borderWidth * 2);
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} else if (position == "right") {
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strBorder = QString("border-width:0px %1px 0px 0px;padding-right:%1px;padding-left:%2px;")
.arg(borderWidth).arg(borderWidth * 2);
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} else if (position == "bottom") {
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strBorder = QString("border-width:0px 0px %1px 0px;padding-bottom:%1px;padding-top:%2px;")
.arg(borderWidth).arg(borderWidth * 2);
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} else if (position == "left") {
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strBorder = QString("border-width:0px 0px 0px %1px;padding-left:%1px;padding-right:%2px;")
.arg(borderWidth).arg(borderWidth * 2);
}
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//如果图标是左侧显示则需要让没有选中的按钮左侧也有加深的边框,颜色为背景颜色
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QStringList qss;
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if (styleColor.textBesideIcon) {
qss << QString("QWidget[flag=\"%1\"] QAbstractButton{border-style:solid;border-radius:0px;%2border-color:%3;color:%4;background:%5;}")
.arg(position).arg(strBorder).arg(styleColor.normalBgColor).arg(styleColor.normalTextColor).arg(styleColor.normalBgColor);
} else {
qss << QString("QWidget[flag=\"%1\"] QAbstractButton{border-style:none;border-radius:0px;padding:5px;color:%2;background:%3;}")
.arg(position).arg(styleColor.normalTextColor).arg(styleColor.normalBgColor);
}
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//悬停+按下+选中
qss << QString("QWidget[flag=\"%1\"] QAbstractButton:hover{border-style:solid;%2border-color:%3;color:%4;background:%5;}")
.arg(position).arg(strBorder).arg(styleColor.borderColor).arg(styleColor.hoverTextColor).arg(styleColor.hoverBgColor);
qss << QString("QWidget[flag=\"%1\"] QAbstractButton:pressed{border-style:solid;%2border-color:%3;color:%4;background:%5;}")
.arg(position).arg(strBorder).arg(styleColor.borderColor).arg(styleColor.pressedTextColor).arg(styleColor.pressedBgColor);
qss << QString("QWidget[flag=\"%1\"] QAbstractButton:checked{border-style:solid;%2border-color:%3;color:%4;background:%5;}")
.arg(position).arg(strBorder).arg(styleColor.borderColor).arg(styleColor.checkedTextColor).arg(styleColor.checkedBgColor);
//窗体背景颜色+按钮背景颜色
qss << QString("QWidget#%1{background:%2;}")
.arg(widget->objectName()).arg(styleColor.normalBgColor);
qss << QString("QWidget>QAbstractButton{border-width:0px;background-color:%1;color:%2;}")
.arg(styleColor.normalBgColor).arg(styleColor.normalTextColor);
qss << QString("QWidget>QAbstractButton:hover{background-color:%1;color:%2;}")
.arg(styleColor.hoverBgColor).arg(styleColor.hoverTextColor);
qss << QString("QWidget>QAbstractButton:pressed{background-color:%1;color:%2;}")
.arg(styleColor.pressedBgColor).arg(styleColor.pressedTextColor);
qss << QString("QWidget>QAbstractButton:checked{background-color:%1;color:%2;}")
.arg(styleColor.checkedBgColor).arg(styleColor.checkedTextColor);
//设置样式表
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widget->setStyleSheet(qss.join(""));
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//可能会重复调用设置所以先要移除上一次的
for (int i = 0; i < btnCount; i++) {
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for (int j = 0; j < this->btns.count(); j++) {
if (this->btns.at(j) == btns.at(i)) {
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disconnect(btns.at(i), SIGNAL(toggled(bool)), this, SLOT(toggled(bool)));
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this->btns.at(j)->removeEventFilter(this);
this->btns.removeAt(j);
this->pixNormal.removeAt(j);
this->pixHover.removeAt(j);
this->pixPressed.removeAt(j);
this->pixChecked.removeAt(j);
break;
}
}
}
//存储对应按钮对象,方便鼠标移上去的时候切换图片
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int checkedIndex = -1;
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for (int i = 0; i < btnCount; i++) {
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int icon = icons.at(i);
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QPixmap pixNormal = getPixmap1(styleColor.normalTextColor, icon, iconSize, iconWidth, iconHeight);
QPixmap pixHover = getPixmap1(styleColor.hoverTextColor, icon, iconSize, iconWidth, iconHeight);
QPixmap pixPressed = getPixmap1(styleColor.pressedTextColor, icon, iconSize, iconWidth, iconHeight);
QPixmap pixChecked = getPixmap1(styleColor.checkedTextColor, icon, iconSize, iconWidth, iconHeight);
//记住最后选中的按钮
QAbstractButton *btn = btns.at(i);
if (btn->isChecked()) {
checkedIndex = i;
}
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btn->setIcon(QIcon(pixNormal));
btn->setIconSize(QSize(iconWidth, iconHeight));
btn->installEventFilter(this);
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connect(btn, SIGNAL(toggled(bool)), this, SLOT(toggled(bool)));
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this->btns << btn;
this->pixNormal << pixNormal;
this->pixHover << pixHover;
this->pixPressed << pixPressed;
this->pixChecked << pixChecked;
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}
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//主动触发一下选中的按钮
if (checkedIndex >= 0) {
QMetaObject::invokeMethod(btns.at(checkedIndex), "toggled", Q_ARG(bool, true));
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}
}