happyDraw(new).rar_HappyDraw_qt custom_qt 绘

#include "happydraw.h" const int InsertTextItemButton = 10; const int InsertProxyItemButton = 11; const int InsertPixmapItemButton = 12; const int InsertPenItemButton = 13; happyDraw::happyDraw(QWidget *parent, Qt::WFlags flags) : QMainWindow(parent, flags) { mainWidget = new QWidget(); mainVlay = new QVBoxLayout(); // 标题 myTitleBar* titleBar = new myTitleBar(this); titleBar->addTypeButton(myTitleBar::LOCK); titleBar->addTypeButton(myTitleBar::DEFAULT); titleBar->setText(tr("Qt Happy Draw")); mainVlay->addWidget(titleBar); // 菜单 m_menuBar = new myMenuBar(this); mainVlay->addWidget(m_menuBar); // 工具栏 mainHlay = new QHBoxLayout(); setupTextActions(); createOtherActions(); createMenus(); createToolBar(); createToolBox(); createScene(); loadFile("qss/myNewQss.qss"); mainVlay->addLayout(mainHlay); mainWidget->setLayout(mainVlay); setCentralWidget(mainWidget); resize(800,600); showMaximized (); setWindowFlags(Qt::FramelessWindowHint | Qt::CustomizeWindowHint); connect(titleBar,SIGNAL(sig_close()),this,SLOT(close())); } happyDraw::~happyDraw() { } void happyDraw::setupTextActions() { QMenu *menu = new QMenu(tr("F&ormat"), this); m_menuBar->addMenu(menu); fontFormatBar = new myToolBar(this); fontFormatBar->setIconSize(QSize(20,20)); fontFormatBar->setWindowTitle(tr("Format Actions")); mainVlay->addWidget(fontFormatBar); // 粗体 actionTextBold = new QAction(QIcon(":/Resources/textbold.png"), tr("&Bold"), this); actionTextBold->setShortcut(Qt::CTRL + Qt::Key_B); QFont bold; bold.setBold(true); actionTextBold->setFont(bold); connect(actionTextBold, SIGNAL(triggered()), this, SLOT(handleFontChange())); fontFormatBar->addAction(actionTextBold); menu->addAction(actionTextBold); actionTextBold->setCheckable(true); // 斜体 actionTextItalic = new QAction(QIcon(":/Resources/textitalic.png"), tr("&Italic"), this); actionTextItalic->setShortcut(Qt::CTRL + Qt::Key_I); QFont italic; italic.setItalic(true); actionTextItalic->setFont(italic); connect(actionTextItalic, SIGNAL(triggered()), this, SLOT(handleFontChange())); fontFormatBar->addAction(actionTextItalic); menu->addAction(actionTextItalic); actionTextItalic->setCheckable(true); // 下划线 actionTextUnderline = new QAction(QIcon(":/Resources/textunder.png"), tr("&Underline"), this); actionTextUnderline->setShortcut(Qt::CTRL + Qt::Key_U); QFont underline; underline.setUnderline(true); actionTextUnderline->setFont(underline); connect(actionTextUnderline, SIGNAL(triggered()), this, SLOT(handleFontChange())); fontFormatBar->addAction(actionTextUnderline); menu->addAction(actionTextUnderline); actionTextUnderline->setCheckable(true); // 字型 QLabel *lab_style = new QLabel; lab_style->setText(tr("font style")); fontFormatBar->addWidget(lab_style); comboFont = new QFontComboBox(fontFormatBar); comboFont->setMinimumSize(100,20); fontFormatBar->addWidget(comboFont); connect(comboFont, SIGNAL(activated(const QString &)), this, SLOT(handleFontChange())); // 字体大小 QLabel *lab_size = new QLabel; lab_size->setText(tr("point size")); fontFormatBar->addWidget(lab_size); fontSizeCombo = new QComboBox(fontFormatBar); fontSizeCombo->setMinimumSize(50,20); fontFormatBar->addWidget(fontSizeCombo); fontSizeCombo->setEditable(true); for (int i = 8; i < 120; i = i + 2) fontSizeCombo->addItem(QString().setNum(i)); QIntValidator *validator = new QIntValidator(2, 500, this); fontSizeCombo->setValidator(validator); fontSizeCombo->setCurrentIndex(7); connect(fontSizeCombo, SIGNAL(currentIndexChanged(const QString &)), this, SLOT(handleFontChange())); // 字体缩放 QLabel *lab_scale = new QLabel; lab_scale->setText(tr("font Scale")); fontFormatBar->addWidget(lab_scale); fontScaleEdit = new QLineEdit; fontScaleEdit->setFixedSize(50,20); fontFormatBar->addWidget(fontScaleEdit); fontScaleEdit->setContextMenuPolicy(Qt::NoContextMenu); QRegExp regx("[%0-9]+$"); QValidator *textValidator = new QRegExpValidator(regx, this ); fontScaleEdit->setValidator(textValidator); fontScaleEdit->setText("100%"); connect(fontScaleEdit,SIGNAL(returnPressed( )),this,SLOT(slot_fontScale( ))); // 颜色 QLabel *lab_color = new QLabel; lab_color->setText(tr("color")); fontFormatBar->addWidget(lab_color); QPixmap pix(16, 16); pix.fill(Qt::black); actionTextColor = new QAction(pix, tr("&Color..."), this); connect(actionTextColor, SIGNAL(triggered()), this, SLOT(changeColor())); fontFormatBar->addAction(actionTextColor); menu->addAction(actionTextColor); menu->addSeparator(); ////////////////////////////////////////////////////////////////////////////// // 段落 paragraphBar = new myToolBar(this); paragraphBar->setIconSize(QSize(20,20)); paragraphBar->setAllowedAreas(Qt::TopToolBarArea | Qt::BottomToolBarArea); paragraphBar->setWindowTitle(tr("Format Actions")); addToolBarBreak(Qt::TopToolBarArea); mainVlay->addWidget(paragraphBar); QActionGroup *grp = new QActionGroup(this); connect(grp, SIGNAL(triggered(QAction *)), this, SLOT(textAlign(QAction *))); // 左对齐 actionAlignLeft = new QAction(QIcon(":/Resources/textleft.png"), tr("&Left"), grp); actionAlignLeft->setShortcut(Qt::CTRL + Qt::Key_L); actionAlignLeft->setCheckable(true); actionAlignLeft->setChecked(true); // 居中对齐 actionAlignCenter = new QAction(QIcon(":/Resources/textcenter.png"), tr("C&enter"), grp); actionAlignCenter->setShortcut(Qt::CTRL + Qt::Key_E); actionAlignCenter->setCheckable(true); // 右对齐 actionAlignRight = new QAction(QIcon(":/Resources/textright.png"), tr("&Right"), grp); actionAlignRight->setShortcut(Qt::CTRL + Qt::Key_R); actionAlignRight->setCheckable(true); // 分散对齐 actionAlignJustify = new QAction(QIcon(":/Resources/textjustify.png"), tr("&Justify"), grp); actionAlignJustify->setShortcut(Qt::CTRL + Qt::Key_J); actionAlignJustify->setCheckable(true); paragraphBar->addActions(grp->actions()); menu->addActions(grp->actions()); menu->addSeparator(); } void happyDraw::createToolBox() { graphicsBox = new QToolBox; graphicsBox->resize(300,500); graphicsBox->setSizePolicy(QSizePolicy(QSizePolicy::Maximum, QSizePolicy::Ignored)); mainHlay->addWidget(graphicsBox); textBtn1 = new QToolButton; textBtn1->setFixedSize(50,50); textBtn1->setCheckable(true); textBtn1->setText(tr("static text")); //textBtn1->hide(); textBtn2 = new QToolButton; textBtn2->setFixedSize(50,50); textBtn2->setCheckable(true); textBtn2->setText(tr("rolling text")); //textBtn2->hide(); btn_shapeRect = new QToolButton; btn_shapeRect->setFixedSize(50,50); btn_shapeRect->setCheckable(true); btn_shapeRect->setText(tr("shape rect")); btn_shapeCircle = new QToolButton; btn_shapeCircle->setFixedSize(50,50); btn_shapeCircle->setCheckable(true); btn_shapeCircle->setText(tr("shape circle")); btn_shapeTriangle = new QToolButton; btn_shapeTriangle->setFixedSize(50,50); btn_shapeTriangle->setCheckable(true); btn_shapeTriangle->setText(tr("shape triangle")); btn_shapeStar = new QToolButton; btn_shapeStar->setFixedSize(50,50); btn_shapeStar->setCheckable(true); btn_shapeStar->setText(tr("shape star")); btn_pixmap = new QToolButton; btn_pixmap->setFixedSize(50,50); btn_pixmap->setCheckable(true); btn_pixmap->setText(tr("pixmap")); btn_pen = new QToolButton; btn_pen->setFixedSize(50,50); btn_pen->setCheckable(true); btn_pen->setText(tr("pen")); btnGroup1 = new QButtonGroup; btnGroup1->setExclusive(false); btnGroup1->addButton(textBtn1,InsertTextItemButton); btnGroup1->addButton(textBtn2,InsertProxyItemButton); btnGroup1->addButton(btn_shapeRect,0); btnGroup1->addButton(btn_shapeCircle,1); btnGroup1->addButton(btn_shapeTriangle,2); btnGroup1->addButto