myWidget.zip

#include "widget.h" #include "ui_widget.h" #include <QColor> #include <QPalette> Widget::Widget(QWidget *parent) : QWidget(parent) , ui(new Ui::Widget) { ui->setupUi(this); subwindow = new myDialog; subwindow->hide(); connect(ui->sliderAlpha, SIGNAL(valueChanged(int)), this, SLOT(on_sliderRed_valueChanged(int))); connect(ui->sliderGreen, SIGNAL(valueChanged(int)), this, SLOT(on_sliderRed_valueChanged(int))); connect(ui->sliderBlue, SIGNAL(valueChanged(int)), this, SLOT(on_sliderRed_valueChanged(int))); connect(subwindow, SIGNAL(returnBtnClicked()), this, SLOT(showMainWindow())); ui->sliderAlpha->setValue(100); ui->horizontalSlider->setValue(25); ui->verticalSlider->setValue(66); ui->rBtnDec->setChecked(true); ui->lcdNumber->setDigitCount(3); } Widget::~Widget() { delete ui; } void Widget::on_sliderRed_valueChanged(int value) { QColor color; int r,g,b,a; r = ui->sliderRed->value(); g = ui->sliderGreen->value(); b = ui->sliderBlue->value(); a = ui->sliderAlpha->value(); color.setRgb(r,g,b,a); QPalette pal = ui->textEdit->palette(); pal.setColor(QPalette::Base, color); ui->textEdit->setPalette(pal); } void Widget::on_horizontalSlider_valueChanged(int value) { ui->horizontalScrollBar->setValue(value); ui->progressBar->setValue(value); } void Widget::on_horizontalScrollBar_valueChanged(int value) { ui->horizontalSlider->setValue(value); ui->progressBar->setValue(value); } void Widget::on_verticalSlider_valueChanged(int value) { ui->verticalScrollBar->setValue(value); ui->progressBar_2->setValue(value); } void Widget::on_dial_valueChanged(int value) { ui->lcdNumber->display(value); } void Widget::on_rBtnBin_clicked() { ui->lcdNumber->setDigitCount(8); ui->lcdNumber->setBinMode(); } void Widget::on_rBtnOct_clicked() { ui->lcdNumber->setDigitCount(4); ui->lcdNumber->setOctMode(); } void Widget::on_rBtnDec_clicked() { ui->lcdNumber->setDigitCount(3); ui->lcdNumber->setDecMode(); } void Widget::on_rBtnHex_clicked() { ui->lcdNumber->setDigitCount(2); ui->lcdNumber->setHexMode(); } void Widget::showMainWindow() { this->show(); subwindow->hide(); } void Widget::on_btnShowSub_clicked() { this->hide(); subwindow->show(); } void Widget::on_verticalScrollBar_valueChanged(int value) { ui->verticalSlider->setValue(value); ui->progressBar_2->setValue(value); }