针对按钮,文本框,Frame背景不变色对代码进行了修改,核心在于
OkBtn->setAutoFillBackground(true); OkBtn->setFlat(true);
.h文件
#ifndef PALETTE_H
#define PALETTE_H
#include
#include
#include
#include
#include
#include
class Palette : public QDialog
{
Q_OBJECT
public:
Palette(QWidget *parent = 0);
~Palette();
void createCtrlFrame(); //完成窗体左半部分颜色选择区的创建
void createContentFrame(); //完成窗体右半部分的创建
void fillColorList(QComboBox *);
//完成向颜色下拉列表框中插入颜色的工作
private slots:
void ShowWindow();
void ShowWindowText();
void ShowButton();
void ShowButtonText();
void ShowBase();
private:
QFrame *ctrlFrame; //颜色选择面板
QLabel *windowLabel;
QComboBox *windowComboBox;
QLabel *windowTextLabel;
QComboBox *windowTextComboBox;
QLabel *buttonLabel;
QComboBox *buttonComboBox;
QLabel *buttonTextLabel;
QComboBox *buttonTextComboBox;
QLabel *baseLabel;
QComboBox *baseComboBox;
QFrame *contentFrame; //具体显示面板
QLabel *label1;
QComboBox *comboBox1;
QLabel *label2;
QLineEdit *lineEdit2;
QTextEdit *textEdit;
QPushButton *OkBtn;
QPushButton *CancelBtn;
};
#endif // PALETTE_H
.cpp文件
#include "palette.h"
#include
#include
Palette::Palette(QWidget *parent)
: QDialog(parent)
{
createCtrlFrame();
createContentFrame();
QHBoxLayout *mainLayout =new QHBoxLayout(this);
mainLayout->addWidget(ctrlFrame);
mainLayout->addWidget(contentFrame);
}
void Palette::createCtrlFrame()
{
ctrlFrame =new QFrame; //颜色选择面板
windowLabel =new QLabel(tr("QPalette::Window: "));
windowComboBox =new QComboBox; //创建一个QComboBox对象
fillColorList(windowComboBox); //(a)
connect(windowComboBox,SIGNAL(activated(int)),this,SLOT(ShowWindow()));//(b)
windowTextLabel =new QLabel(tr("QPalette::WindowText: "));
windowTextComboBox =new QComboBox;
fillColorList(windowTextComboBox);
connect(windowTextComboBox,SIGNAL(activated(int)),this,SLOT(ShowWindowText()));
buttonLabel =new QLabel(tr("QPalette::Button: "));
buttonComboBox =new QComboBox;
fillColorList(buttonComboBox);
connect(buttonComboBox,SIGNAL(activated(int)),this,SLOT(ShowButton()));
buttonTextLabel =new QLabel(tr("QPalette::ButtonText: "));
buttonTextComboBox =new QComboBox;
fillColorList(buttonTextComboBox);
connect(buttonTextComboBox,SIGNAL(activated(int)),this,SLOT(ShowButtonText()));
baseLabel =new QLabel(tr("QPalette::Base: "));
baseComboBox =new QComboBox;
fillColorList(baseComboBox);
connect(baseComboBox,SIGNAL(activated(int)),this,SLOT(ShowBase()));
QGridLayout *mainLayout=new QGridLayout(ctrlFrame);
mainLayout->setSpacing(20);
mainLayout->addWidget(windowLabel,0,0);
mainLayout->addWidget(windowComboBox,0,1);
mainLayout->addWidget(windowTextLabel,1,0);
mainLayout->addWidget(windowTextComboBox,1,1);
mainLayout->addWidget(buttonLabel,2,0);
mainLayout->addWidget(buttonComboBox,2,1);
mainLayout->addWidget(buttonTextLabel,3,0);
mainLayout->addWidget(buttonTextComboBox,3,1);
mainLayout->addWidget(baseLabel,4,0);
mainLayout->addWidget(baseComboBox,4,1);
}
void Palette::createContentFrame()
{
contentFrame =new QFrame; //具体显示面板
label1 =new QLabel(tr("请选择一个值:"));
comboBox1 =new QComboBox;
label2 =new QLabel(tr("请输入字符串:"));
lineEdit2 =new QLineEdit;
textEdit =new QTextEdit;
QGridLayout *TopLayout =new QGridLayout;
TopLayout->addWidget(label1,0,0);
TopLayout->addWidget(comboBox1,0,1);
TopLayout->addWidget(label2,1,0);
TopLayout->addWidget(lineEdit2,1,1);
TopLayout->addWidget(textEdit,2,0,1,2);
OkBtn =new QPushButton(tr("确认"));
CancelBtn =new QPushButton(tr("取消"));
QHBoxLayout *BottomLayout =new QHBoxLayout;
BottomLayout->addStretch(1);
BottomLayout->addWidget(OkBtn);
BottomLayout->addWidget(CancelBtn);
QVBoxLayout *mainLayout =new QVBoxLayout(contentFrame);
mainLayout->addLayout(TopLayout);
mainLayout->addLayout(BottomLayout);
}
void Palette::ShowWindow()
{
//获得当前选择的颜色值
QStringList colorList = QColor::colorNames();
QColor color = QColor(colorList[windowComboBox->currentIndex()]);
QPalette p = contentFrame->palette(); //(a)
p.setColor(QPalette::Window,color); //(b)
//把修改后的调色板信息应用到contentFrame窗体中,更新显示
contentFrame->setAutoFillBackground(true);
contentFrame->setPalette(p);
contentFrame->update();
}
void Palette::ShowWindowText()
{
QStringList colorList = QColor::colorNames();
QColor color = colorList[windowTextComboBox->currentIndex()];
QPalette p = contentFrame->palette();
p.setColor(QPalette::WindowText,color);
contentFrame->setPalette(p);
}
void Palette::ShowButton()
{
QStringList colorList = QColor::colorNames();
QColor color =QColor(colorList[buttonComboBox->currentIndex()]);
QPalette p = contentFrame->palette();
p.setColor(QPalette::Button,color);
OkBtn->setAutoFillBackground(true);
OkBtn->setFlat(true);
CancelBtn->setAutoFillBackground(true);
CancelBtn->setFlat(true);
contentFrame->setPalette(p);
contentFrame->update();
}
void Palette::ShowButtonText()
{
QStringList colorList = QColor::colorNames();
QColor color = QColor(colorList[buttonTextComboBox->currentIndex()]);
QPalette p =contentFrame->palette();
p.setColor(QPalette::ButtonText,color);
contentFrame->setPalette(p);
}
void Palette::ShowBase()
{
textEdit->setAutoFillBackground(true);
QStringList colorList = QColor::colorNames();
QColor color = QColor(colorList[baseComboBox->currentIndex()]);
QPalette p = contentFrame->palette();
p.setColor(QPalette::Base,color);
contentFrame->setPalette(p);
}
void Palette::fillColorList(QComboBox *comboBox)
{
QStringList colorList = QColor::colorNames(); //(a)
QString color; //(b)
foreach(color,colorList) //对颜色名列表进行遍历
{
QPixmap pix(QSize(70,20)); //(c)
pix.fill(QColor(color)); //为pix填充当前遍历的颜色
comboBox->addItem(QIcon(pix),NULL); //(d)
comboBox->setIconSize(QSize(70,20)); //(e)
comboBox->setSizeAdjustPolicy(QComboBox::AdjustToContents);
//(f)
}
}
Palette::~Palette()
{
}