QWidget上放置的控件，若是想要保證本身的控件大小不變並能根據窗口的大小動態調整位置，則須要重載QWidget下的resizeEvent（函數原型：voidresizeEvent(QResizeEvent*);）函數，該函數用於從新計算窗口並佈局。html
使用佈局管理器並不能實現該功能，因爲佈局管理器會根據窗口大小進行相應的放大和縮小，其上面的控件跟着對應變化，因此只能重載該函數來實現窗口的動態佈局。算法
Example:仍以工具箱的實現爲例跟以前的文章： 函數
//頭文件內容以下：
工具
#ifndef TOOLKIT_H
#define TOOLKIT_H
#define BUTTONWIDTH 16
#define BUTTONHEIGHT 16
#define WIDTHINTERVAL 21
#define HEIGHTINTERVAL 21
#define LINEWIDTH 30
#include <QWidget>
#include <QLabel>
#include <QPushButton>
#include <QButtonGroup>
#include <QSize>
#include <QVector>
class CToolkit : public QWidget
{
Q_OBJECT
public:
explicit CToolkit(QWidget *parent = 0);
~CToolkit();
signals:
public slots:
private:
void initUI();
//basic buttons
QPushButton * basPotBtn; //draw pointer
QPushButton * basLineBtn; //draw line
QPushButton * basPolygonaLineBtn; //draw polygon line
QPushButton * basArcBtn; //draw arc
QPushButton * basCurveBtn; //draw curve
QPushButton * basBasselCurveBtn; //draw bassel curve
QPushButton * basRectangleBtn; //draw rectangle
QPushButton * basRoundRectBtn; //draw round rectangle
QPushButton * basCircleBtn; //draw circle
QPushButton * basSectorBtn; //draw sector
QPushButton * basHalfCirBtn; //draw half circle
QPushButton * basPolygonBtn; //draw polygon
QPushButton * basEnclosedCurBtn; //draw closed curve
QPushButton * basEnclosedBasselCurBtn; //draw closed bassel curve
QPushButton * basTextBtn; //draw text
QPushButton * basPumpBtn; //draw pump
//extension buttons
QPushButton *extPotBtn; //draw point
QPushButton *extBtnBtn; //draw button
QPushButton *extPicBtn; //draw picture
QPushButton *extTreLineBtn; //draw trend line
QPushButton *extAlaWndBtn; //draw alarm window
QPushButton *extXYTreBtn; //draw XY trend
QPushButton *extEveWndBtn; //draw event window
QPushButton *extVerRuleBtn; //draw vertical ruler
QPushButton *extHorRuleBtn; //draw horizontal ruler
QPushButton *extBarPicBtn; //draw bar picture
QPushButton *extMenuBtn; //draw menu
QPushButton *extRepBtn; //draw report
//UI buttons
QPushButton *UIPotBtn; //draw point
QPushButton *UIBtnBtn; //draw button
QPushButton *UICheBtn; //draw checkbox
QPushButton *UITextBtn; //draw textedit
QPushButton *UIComBtn; //draw combobox
QPushButton *UILstBtn; //draw listbox
QPushButton *UISigBtn; //draw siglebox
QPushButton *UITreeBtn; //draw treeview
QPushButton *UICalBtn; //draw calender
QPushButton *UIMulTextBtn; //draw multify textedit
QPushButton *UIDateBtn; //draw datetime
QPushButton *UIRelBtn; //draw relative datetime
QPushButton *MulTreeBtn; //draw multify treeview
private:
//用於在繪製的時候肯定要繪製哪個圖形
QButtonGroup *m_pBasGropBox;
QButtonGroup *m_pExtGropBox;
QButtonGroup *m_pUIGropBox;
//把已經建立的三組按鈕分別保存用於在從新佈局時使用
QVector<QPushButton*> mBasBtns;
QVector<QPushButton*> mExtBtns;
QVector<QPushButton*> mUIBtns;
void addBtnsToGroupBox();
void addBtnsToVector();
public slots:
void basicGroupBoxClicked(int);
void extensionGroupBoxClicked(int);
void UIGroupBoxClicked(int);
public:
int mDrawType; //1 indicate basic type, 2 indicate extension type, 3 indicate UI type
int mDrawIndex; //mDrawIndex從-1開始遞減
private:
//初始化基本、擴展和UI按鈕
void createBasicBtns();
void createExtensionBtns();
void createUIBtns();
int mBasLineHeiLoc; //基本按鈕上面的線條的相對高度
int mExtLineHeiLoc; //擴展按鈕上面的線條的相對高度
int mUILineHeiLoc; //UI按鈕上面的線條的相對高度
int mCurLocWidth; //當前在窗口中的相對寬度
int mCurLocHeight; //當前在窗口中的相對高度
int mWndWidth; //當前窗口的寬度
//保存基本屬性按鈕和擴展按鈕的個數，用於佈局時高度的計算
int mBasicBtnNums;
int mExtBtnNums;
//因爲寫的控制佈局的算法當恰好能整行放完的時候，會致使下一組的按鈕的高度位置多加了一次，因此此處設置此值用來控制高度能正確計算
int mMode;
//用於顯示信息的標籤
QLabel *basicLab;
QLabel *extLab;
QLabel *UILab;
//resize the buttons location
void resizeEvent(QResizeEvent *);
void resizeBasicBtns();
void resizeExtensionBtns();
void resizeUIBtns();
//重載此函數用於繪製標籤下的直線
void paintEvent(QPaintEvent *event);
};
#endif // TOOLKIT_H
//實現文件內容以下：
佈局
#include "toolkit.h"
#include <QLabel>
#include <QPushButton>
#include <QPainter>
CToolkit::CToolkit(QWidget *parent) :
QWidget(parent)
{
initUI();
}
CToolkit::~CToolkit()
{
//basic buttons
delete basPotBtn; //draw pointer
delete basLineBtn; //draw line
delete basPolygonaLineBtn; //draw polygon line
delete basArcBtn; //draw arc
delete basCurveBtn; //draw curve
delete basBasselCurveBtn; //draw bassel curve
delete basRectangleBtn; //draw rectangle
delete basRoundRectBtn; //draw round rectangle
delete basCircleBtn; //draw circle
delete basSectorBtn; //draw sector
delete basHalfCirBtn; //draw half circle
delete basPolygonBtn; //draw polygon
delete basEnclosedCurBtn; //draw closed curve
delete basEnclosedBasselCurBtn; //draw closed bassel curve
delete basTextBtn; //draw text
delete basPumpBtn; //draw pump
//extension buttons
delete extPotBtn; //draw point
delete extBtnBtn; //draw button
delete extPicBtn; //draw picture
delete extTreLineBtn; //draw trend line
delete extAlaWndBtn; //draw alarm window
delete extXYTreBtn; //draw XY trend
delete extEveWndBtn; //draw event window
delete extVerRuleBtn; //draw vertical ruler
delete extHorRuleBtn; //draw horizontal ruler
delete extBarPicBtn; //draw bar picture
delete extMenuBtn; //draw menu
delete extRepBtn; //draw report
//UI buttons
delete UIPotBtn; //draw point
delete UIBtnBtn; //draw button
delete UICheBtn; //draw checkbox
delete UITextBtn; //draw textedit
delete UIComBtn; //draw combobox
delete UILstBtn; //draw listbox
delete UISigBtn; //draw siglebox
delete UITreeBtn; //draw treeview
delete UICalBtn; //draw calender
delete UIMulTextBtn; //draw multify textedit
delete UIDateBtn; //draw datetime
delete UIRelBtn; //draw relative datetime
delete MulTreeBtn; //draw multify treeview
}
void CToolkit::initUI()
{
mDrawType = 0;
mDrawIndex = 0;
mBasLineHeiLoc = 0;
mExtLineHeiLoc = 0;
mUILineHeiLoc = 0;
mBasicBtnNums = 16;
mExtBtnNums = 12;
createBasicBtns();
createExtensionBtns();
createUIBtns();
addBtnsToGroupBox();
addBtnsToVector();
}
//建立全部的基本按鈕並佈局
void CToolkit::createBasicBtns()
{
m_pBasGropBox = new QButtonGroup;
if(NULL == m_pBasGropBox)
{
return;
}
connect(m_pBasGropBox, SIGNAL(buttonClicked(int)), this, SLOT(basicGroupBoxClicked(int)));
//draw pointer
basicLab = new QLabel(tr("基本"), this);
basicLab->setGeometry(0, 0, 30, 16);
basPotBtn = new QPushButton(QIcon(tr(":/res/ctrl/BasicCtrl/choice.ico")), tr(""), this);
basPotBtn->resize(16, 16);
basPotBtn->setToolTip(tr("指針"));
basPotBtn->setGeometry(0, 21, 16, 16);
basPotBtn->setCheckable(true);
//draw line
basLineBtn = new QPushButton(QIcon(tr(":/res/ctrl/BasicCtrl/line.ico")), tr(""), this);
basLineBtn->resize(16, 16);
basLineBtn->setToolTip(tr("直線"));
basLineBtn->setGeometry(21, 21, 16, 16);
basLineBtn->setCheckable(true);
//draw polygon line
basPolygonaLineBtn = new QPushButton(QIcon(tr(":/res/ctrl/BasicCtrl/polygonalline.ico")), tr(""), this);
basPolygonaLineBtn->resize(16, 16);
basPolygonaLineBtn->setToolTip(tr("折線"));
basPolygonaLineBtn->setGeometry(42, 21, 16, 16);
basPolygonaLineBtn->setCheckable(true);
//draw arc
basArcBtn = new QPushButton(QIcon(tr(":/res/ctrl/BasicCtrl/arc.ico")), tr(""), this);
basArcBtn->resize(16, 16);
basArcBtn->setToolTip(tr("弧線"));
basArcBtn->setGeometry(63, 21, 16, 16);
basArcBtn->setCheckable(true);
//draw curve
basCurveBtn = new QPushButton(QIcon(tr(":/res/ctrl/BasicCtrl/curve.ico")), tr(""), this);
basCurveBtn->resize(16, 16);
basCurveBtn->setToolTip(tr("曲線"));
basCurveBtn->setGeometry(0, 42, 16, 16);
basCurveBtn->setCheckable(true);
//draw bassel curve
basBasselCurveBtn = new QPushButton(QIcon(tr(":/res/ctrl/BasicCtrl/Besselcurve.ico")), tr(""), this);
basBasselCurveBtn->resize(16, 16);
basBasselCurveBtn->setToolTip(tr("貝塞爾曲線"));
basBasselCurveBtn->setGeometry(21, 42, 16, 16);
basBasselCurveBtn->setCheckable(true);
//draw rectangle
basRectangleBtn = new QPushButton(QIcon(tr(":/res/ctrl/BasicCtrl/rectangle.ico")), tr(""), this);
basRectangleBtn->resize(16, 16);
basRectangleBtn->setToolTip(tr("矩形"));
basRectangleBtn->setGeometry(42, 42, 16, 16);
basRectangleBtn->setCheckable(true);
//draw round rectangle
basRoundRectBtn = new QPushButton(QIcon(tr(":/res/ctrl/BasicCtrl/Roundedrectangle.ico")), tr(""), this);
basRoundRectBtn->resize(16, 16);
basRoundRectBtn->setToolTip(tr("圓角矩形"));
basRoundRectBtn->setGeometry(63, 42, 16, 16);
basRoundRectBtn->setCheckable(true);
//draw circle
basCircleBtn = new QPushButton(QIcon(tr(":/res/ctrl/BasicCtrl/circle.ico")), tr(""), this);
basCircleBtn->resize(16, 16);
basCircleBtn->setToolTip(tr("橢圓"));
basCircleBtn->setGeometry(0, 63, 16, 16);
basCircleBtn->setCheckable(true);
//draw sector
basSectorBtn = new QPushButton(QIcon(tr(":/res/ctrl/BasicCtrl/sector.ico")), tr(""), this);
basSectorBtn->resize(16, 16);
basSectorBtn->setToolTip(tr("扇形"));
basSectorBtn->setGeometry(21, 63, 16, 16);
basSectorBtn->setCheckable(true);
//draw half circle
basHalfCirBtn = new QPushButton(QIcon(tr(":/res/ctrl/BasicCtrl/halfcircle.ico")), tr(""), this);
basHalfCirBtn->resize(16, 16);
basHalfCirBtn->setToolTip(tr("弦"));
basHalfCirBtn->setGeometry(42, 63, 16, 16);
basHalfCirBtn->setCheckable(true);
//draw polygon
basPolygonBtn = new QPushButton(QIcon(tr(":/res/ctrl/BasicCtrl/polygon.ico")), tr(""), this);
basPolygonBtn->resize(16, 16);
basPolygonBtn->setToolTip(tr("多邊形"));
basPolygonBtn->setGeometry(63, 63, 16, 16);
basPolygonBtn->setCheckable(true);
//draw closed cur
basEnclosedCurBtn = new QPushButton(QIcon(tr(":/res/ctrl/BasicCtrl/enclosedcircle.ico")), tr(""), this);
basEnclosedCurBtn->resize(16, 16);
basEnclosedCurBtn->setToolTip(tr("封閉曲線"));
basEnclosedCurBtn->setGeometry(0, 84, 16, 16);
basEnclosedCurBtn->setCheckable(true);
//draw close bassel curve
basEnclosedBasselCurBtn = new QPushButton(QIcon(tr(":/res/ctrl/BasicCtrl/enclosedbasselcurve.ico")), tr(""), this);
basEnclosedBasselCurBtn->resize(16, 16);
basEnclosedBasselCurBtn->setToolTip(tr("封閉貝塞爾曲線"));
basEnclosedBasselCurBtn->setGeometry(21, 84, 16, 16);
basEnclosedBasselCurBtn->setCheckable(true);
//draw text
basTextBtn = new QPushButton(QIcon(tr(":/res/ctrl/BasicCtrl/text.ico")), tr(""), this);
basTextBtn->resize(16, 16);
basTextBtn->setToolTip(tr("文本"));
basTextBtn->setGeometry(42, 84, 16, 16);
basTextBtn->setCheckable(true);
//draw pump
basPumpBtn = new QPushButton(QIcon(tr(":/res/ctrl/BasicCtrl/pump.ico")), tr(""), this);
basPumpBtn->resize(16, 16);
basPumpBtn->setToolTip(tr("管道"));
basPumpBtn->setGeometry(63, 84, 16, 16);
basPumpBtn->setCheckable(true);
}
//建立全部的擴展按鈕並佈局
void CToolkit::createExtensionBtns()
{
m_pExtGropBox = new QButtonGroup;
if(NULL == m_pExtGropBox)
{
return;
}
connect(m_pExtGropBox, SIGNAL(buttonClicked(int)), this, SLOT(extensionGroupBoxClicked(int)));
extLab = new QLabel(tr("擴展"), this);
extLab->setGeometry(0, 105, 30, 16);
//draw pointer
extPotBtn = new QPushButton(QIcon(tr(":/res/ctrl/ExtCtrl/choice.ico")), tr(""), this);
extPotBtn->resize(16, 16);
extPotBtn->setToolTip(tr("指針"));
extPotBtn->setGeometry(0, 126, 16, 16);
extPotBtn->setCheckable(true);
//draw button
extBtnBtn = new QPushButton(QIcon(tr(":/res/ctrl/ExtCtrl/button.ico")), tr(""), this);
extBtnBtn->resize(16, 16);
extBtnBtn->setToolTip(tr("按鈕"));
extBtnBtn->setGeometry(21, 126, 16, 16);
extBtnBtn->setCheckable(true);
//draw picture
extPicBtn = new QPushButton(QIcon(tr(":/res/ctrl/ExtCtrl/picturecontrol.ico")), tr(""), this);
extPicBtn->resize(16, 16);
extPicBtn->setToolTip(tr("圖像"));
extPicBtn->setGeometry(42, 126, 16, 16);
extPicBtn->setCheckable(true);
//draw trend line
extTreLineBtn = new QPushButton(QIcon(tr(":/res/ctrl/ExtCtrl/trendline.ico")), tr(""), this);
extTreLineBtn->resize(16, 16);
extTreLineBtn->setToolTip(tr("趨勢曲線"));
extTreLineBtn->setGeometry(63, 126, 16, 16);
extTreLineBtn->setCheckable(true);
//draw alarm window
extAlaWndBtn = new QPushButton(QIcon(tr(":res/ctrl/ExtCtrl/alarmwindow.ico")), tr(""), this);
extAlaWndBtn->resize(16, 16);
extAlaWndBtn->setToolTip(tr("報警窗"));
extAlaWndBtn->setGeometry(0, 147, 16, 16);
extAlaWndBtn->setCheckable(true);
//draw XY trend
extXYTreBtn = new QPushButton(QIcon(tr(":/res/ctrl/ExtCtrl/XYtrendline.ico")), tr(""), this);
extXYTreBtn->resize(16, 16);
extXYTreBtn->setToolTip(tr("XY曲線"));
extXYTreBtn->setGeometry(21, 147, 16, 16);
extXYTreBtn->setCheckable(true);
//draw event window
extEveWndBtn = new QPushButton(QIcon(tr(":/res/ctrl/ExtCtrl/eventwindow.ico")), tr(""), this);
extEveWndBtn->resize(16, 16);
extEveWndBtn->setToolTip(tr("事件窗"));
extEveWndBtn->setGeometry(42, 147, 16, 16);
extEveWndBtn->setCheckable(true);
//draw vertical ruler
extVerRuleBtn = new QPushButton(QIcon(tr(":/res/ctrl/ExtCtrl/verticaldivilingrule.ico")), tr(""), this);
extVerRuleBtn->resize(16, 16);
extVerRuleBtn->setToolTip(tr("垂直標尺"));
extVerRuleBtn->setGeometry(63, 147, 16, 16);
extVerRuleBtn->setCheckable(true);
//draw horizontal ruler
extHorRuleBtn = new QPushButton(QIcon(tr(":/res/ctrl/ExtCtrl/horizontaldivilingrule.ico")), tr(""), this);
extHorRuleBtn->resize(16, 16);
extHorRuleBtn->setToolTip(tr("水平標尺"));
extHorRuleBtn->setGeometry(0, 168, 16, 16);
extHorRuleBtn->setCheckable(true);
//draw bar picture
extBarPicBtn = new QPushButton(QIcon(tr(":/res/ctrl/ExtCtrl/report.ico")), tr(""), this);
extBarPicBtn->resize(16, 16);
extBarPicBtn->setToolTip(tr("棒圖"));
extBarPicBtn->setGeometry(21, 168, 16, 16);
extBarPicBtn->setCheckable(true);
//draw relative datatime
extRepBtn = new QPushButton(QIcon(tr(":/res/ctrl/ExtCtrl/barpicture.ico")), tr(""), this);
extRepBtn->resize(16, 16);
extRepBtn->setToolTip(tr("報表"));
extRepBtn->setGeometry(42, 168, 16, 16);
extRepBtn->setCheckable(true);
//draw menu
extMenuBtn = new QPushButton(QIcon(tr(":/res/ctrl/ExtCtrl/menu.ico")), tr(""), this);
extMenuBtn->resize(16, 16);
extMenuBtn->setToolTip(tr("菜單"));
extMenuBtn->setGeometry(63, 168, 16, 16);
extMenuBtn->setCheckable(true);
}
//建立全部的UI按鈕並佈局
void CToolkit::createUIBtns()
{
m_pUIGropBox = new QButtonGroup;
if(NULL == m_pUIGropBox)
{
return;
}
connect(m_pUIGropBox, SIGNAL(buttonClicked(int)), this, SLOT(UIGroupBoxClicked(int)));
UILab = new QLabel(tr("UI"), this);
UILab->setGeometry(0, 189, 30, 16);
//draw pointer
UIPotBtn = new QPushButton(QIcon(tr(":/res/ctrl/UICtrl/choice.ico")), tr(""), this);
UIPotBtn->resize(16, 16);
UIPotBtn->setToolTip(tr("指針"));
UIPotBtn->setGeometry(0, 210, 16, 16);
UIPotBtn->setCheckable(true);
//draw button
UIBtnBtn = new QPushButton(QIcon(tr(":/res/ctrl/UICtrl/button.ico")), tr(""), this);
UIBtnBtn->resize(16, 16);
UIBtnBtn->setToolTip(tr("按鈕"));
UIBtnBtn->setGeometry(21, 210, 16, 16);
UIBtnBtn->setCheckable(true);
//draw checkbox
UICheBtn = new QPushButton(QIcon(tr(":/res/ctrl/UICtrl/checkbox.ico")), tr(""), this);
UICheBtn->resize(16, 16);
UICheBtn->setToolTip(tr("複選框"));
UICheBtn->setGeometry(42, 210, 16, 16);
UICheBtn->setCheckable(true);
//draw textedit
UITextBtn = new QPushButton(QIcon(tr(":/res/ctrl/UICtrl/textedit.ico")), tr(""), this);
UITextBtn->resize(16, 16);
UITextBtn->setToolTip(tr("文本框"));
UITextBtn->setGeometry(63, 210, 16, 16);
UITextBtn->setCheckable(true);
//draw combobox
UIComBtn = new QPushButton(QIcon(tr(":res/ctrl/UICtrl/combobox.ico")), tr(""), this);
UIComBtn->resize(16, 16);
UIComBtn->setToolTip(tr("複選框"));
UIComBtn->setGeometry(0, 231, 16, 16);
UIComBtn->setCheckable(true);
//draw listbox
UILstBtn = new QPushButton(QIcon(tr(":/res/ctrl/UICtrl/listbox.ico")), tr(""), this);
UILstBtn->resize(16, 16);
UILstBtn->setToolTip(tr("列表框"));
UILstBtn->setGeometry(21, 231, 16, 16);
UILstBtn->setCheckable(true);
//draw singlebox
UISigBtn = new QPushButton(QIcon(tr(":/res/ctrl/UICtrl/singlebox.ico")), tr(""), this);
UISigBtn->resize(16, 16);
UISigBtn->setToolTip(tr("單選框"));
UISigBtn->setGeometry(42, 231, 16, 16);
UISigBtn->setCheckable(true);
//draw treeview
UITreeBtn = new QPushButton(QIcon(tr(":/res/ctrl/UICtrl/treeview.ico")), tr(""), this);
UITreeBtn->resize(16, 16);
UITreeBtn->setToolTip(tr("樹視圖"));
UITreeBtn->setGeometry(63, 231, 16, 16);
UITreeBtn->setCheckable(true);
//draw calender
UICalBtn = new QPushButton(QIcon(tr(":/res/ctrl/UICtrl/calender.ico")), tr(""), this);
UICalBtn->resize(16, 16);
UICalBtn->setToolTip(tr("日曆"));
UICalBtn->setGeometry(0, 252, 16, 16);
UICalBtn->setCheckable(true);
//draw mulify textedit
UIMulTextBtn = new QPushButton(QIcon(tr(":/res/ctrl/UICtrl/mulitfunctionaltextedit.ico")), tr(""), this);
UIMulTextBtn->resize(16, 16);
UIMulTextBtn->setToolTip(tr("複雜文本框"));
UIMulTextBtn->setGeometry(21, 252, 16, 16);
UIMulTextBtn->setCheckable(true);
//draw datetime
UIDateBtn = new QPushButton(QIcon(tr(":/res/ctrl/UICtrl/dateandtime.ico")), tr(""), this);
UIDateBtn->resize(16, 16);
UIDateBtn->setToolTip(tr("日期時間"));
UIDateBtn->setGeometry(42, 252, 16, 16);
UIDateBtn->setCheckable(true);
//draw relative datatime
UIRelBtn = new QPushButton(QIcon(tr(":/res/ctrl/UICtrl/relativedateandtime.ico")), tr(""), this);
UIRelBtn->resize(16, 16);
UIRelBtn->setToolTip(tr("相對時間"));
UIRelBtn->setGeometry(63, 252, 16, 16);
UIRelBtn->setCheckable(true);
//draw mulify treeview
MulTreeBtn = new QPushButton(QIcon(tr(":/res/ctrl/UICtrl/multifunctionaltreeview.ico")), tr(""), this);
MulTreeBtn->resize(16, 16);
MulTreeBtn->setToolTip(tr("多功能樹視圖"));
MulTreeBtn->setGeometry(0, 273, 16, 16);
MulTreeBtn->setCheckable(true);
}
//添加全部按鈕到組框中用戶在點擊是獲取點擊的是哪個按鈕，要繪製哪種圖形
void CToolkit::addBtnsToGroupBox()
{
//add the buttons to m_pBasGropBox
m_pBasGropBox->addButton(basPotBtn);
m_pBasGropBox->addButton(basLineBtn);
m_pBasGropBox->addButton(basPolygonaLineBtn);
m_pBasGropBox->addButton(basArcBtn);
m_pBasGropBox->addButton(basCurveBtn);
m_pBasGropBox->addButton(basBasselCurveBtn);
m_pBasGropBox->addButton(basRectangleBtn);
m_pBasGropBox->addButton(basRoundRectBtn);
m_pBasGropBox->addButton(basCircleBtn);
m_pBasGropBox->addButton(basSectorBtn);
m_pBasGropBox->addButton(basHalfCirBtn);
m_pBasGropBox->addButton(basPolygonBtn);
m_pBasGropBox->addButton(basEnclosedCurBtn);
m_pBasGropBox->addButton(basEnclosedBasselCurBtn);
m_pBasGropBox->addButton(basTextBtn);
m_pBasGropBox->addButton(basPumpBtn);
//add the buttons to m_pExtGropBox
m_pExtGropBox->addButton(extPotBtn);
m_pExtGropBox->addButton(extBtnBtn);
m_pExtGropBox->addButton(extPicBtn);
m_pExtGropBox->addButton(extTreLineBtn);
m_pExtGropBox->addButton(extAlaWndBtn);
m_pExtGropBox->addButton(extXYTreBtn);
m_pExtGropBox->addButton(extEveWndBtn);
m_pExtGropBox->addButton(extVerRuleBtn);
m_pExtGropBox->addButton(extHorRuleBtn);
m_pExtGropBox->addButton(extRepBtn);
m_pExtGropBox->addButton(extBarPicBtn);
m_pExtGropBox->addButton(extMenuBtn);
//add the buttons to m_pUIGroupBox
m_pUIGropBox->addButton(UIPotBtn);
m_pUIGropBox->addButton(UIBtnBtn);
m_pUIGropBox->addButton(UICheBtn);
m_pUIGropBox->addButton(UITextBtn);
m_pUIGropBox->addButton(UIComBtn);
m_pUIGropBox->addButton(UILstBtn);
m_pUIGropBox->addButton(UISigBtn);
m_pUIGropBox->addButton(UITreeBtn);
m_pUIGropBox->addButton(UICalBtn);
m_pUIGropBox->addButton(UIMulTextBtn);
m_pUIGropBox->addButton(UIDateBtn);
m_pUIGropBox->addButton(UIRelBtn);
m_pUIGropBox->addButton(MulTreeBtn);
}
//保存全部的按鈕信息以在從新計算佈局時使用
void CToolkit::addBtnsToVector()
{
//add the buttons to the mBasBtns vector
mBasBtns.push_back(basPotBtn);
mBasBtns.push_back(basLineBtn);
mBasBtns.push_back(basPolygonaLineBtn);
mBasBtns.push_back(basArcBtn);
mBasBtns.push_back(basCurveBtn);
mBasBtns.push_back(basBasselCurveBtn);
mBasBtns.push_back(basRectangleBtn);
mBasBtns.push_back(basRoundRectBtn);
mBasBtns.push_back(basCircleBtn);
mBasBtns.push_back(basSectorBtn);
mBasBtns.push_back(basHalfCirBtn);
mBasBtns.push_back(basPolygonBtn);
mBasBtns.push_back(basEnclosedCurBtn);
mBasBtns.push_back(basEnclosedBasselCurBtn);
mBasBtns.push_back(basTextBtn);
mBasBtns.push_back(basPumpBtn);
//add the buttons to the mExtBtns vector
mExtBtns.push_back(extPotBtn);
mExtBtns.push_back(extBtnBtn);
mExtBtns.push_back(extPicBtn);
mExtBtns.push_back(extTreLineBtn);
mExtBtns.push_back(extAlaWndBtn);
mExtBtns.push_back(extXYTreBtn);
mExtBtns.push_back(extEveWndBtn);
mExtBtns.push_back(extVerRuleBtn);
mExtBtns.push_back(extHorRuleBtn);
mExtBtns.push_back(extRepBtn);
mExtBtns.push_back(extBarPicBtn);
mExtBtns.push_back(extMenuBtn);
//add the buttons to the mUIBtns vector
mUIBtns.push_back(UIPotBtn);
mUIBtns.push_back(UIBtnBtn);
mUIBtns.push_back(UICheBtn);
mUIBtns.push_back(UITextBtn);
mUIBtns.push_back(UIComBtn);
mUIBtns.push_back(UILstBtn);
mUIBtns.push_back(UISigBtn);
mUIBtns.push_back(UITreeBtn);
mUIBtns.push_back(UICalBtn);
mUIBtns.push_back(UIMulTextBtn);
mUIBtns.push_back(UIDateBtn);
mUIBtns.push_back(UIRelBtn);
mUIBtns.push_back(MulTreeBtn);
}
void CToolkit::basicGroupBoxClicked(int id)
{
mDrawType = 1;
QList<QAbstractButton *> extButtons = m_pExtGropBox->buttons();
foreach (QAbstractButton *button, extButtons)
{
button->setCheckable(false);
}
QList<QAbstractButton *> UIButtons = m_pUIGropBox->buttons();
foreach (QAbstractButton *button, UIButtons)
{
button->setCheckable(false);
}
QList<QAbstractButton *> buttons = m_pBasGropBox->buttons();
foreach (QAbstractButton *button, buttons)
{
if (m_pBasGropBox->button(id) != button)
{
button->setCheckable(true);
}
else
{
mDrawIndex = id;
}
}
}
void CToolkit::extensionGroupBoxClicked(int id)
{
mDrawType = 2;
QList<QAbstractButton *> BasButtons = m_pBasGropBox->buttons();
foreach (QAbstractButton *button, BasButtons)
{
button->setCheckable(false);
}
QList<QAbstractButton *> UIButtons = m_pUIGropBox->buttons();
foreach (QAbstractButton *button, UIButtons)
{
button->setCheckable(false);
}
QList<QAbstractButton *> buttons = m_pExtGropBox->buttons();
foreach (QAbstractButton *button, buttons)
{
if (m_pExtGropBox->button(id) != button)
{
button->setCheckable(true);
}
else
{
mDrawIndex = id;
}
}
}
void CToolkit::UIGroupBoxClicked(int id)
{
mDrawType = 3;
QList<QAbstractButton *> BasButtons = m_pBasGropBox->buttons();
foreach (QAbstractButton *button, BasButtons)
{
button->setCheckable(false);
}
QList<QAbstractButton *> extButtons = m_pExtGropBox->buttons();
foreach (QAbstractButton *button, extButtons)
{
button->setCheckable(false);
}
QList<QAbstractButton *> buttons = m_pUIGropBox->buttons();
foreach (QAbstractButton *button, buttons)
{
if (m_pUIGropBox->button(id) != button)
{
button->setCheckable(true);
}
else
{
mDrawIndex = id;
}
}
}
//從新佈局窗口
void CToolkit::resizeEvent(QResizeEvent *event)
{
//獲取當前窗口寬度
mWndWidth = width();
mCurLocWidth = 0;
mCurLocHeight = 0;
resizeBasicBtns();
resizeExtensionBtns();
resizeUIBtns();
QWidget::resizeEvent(event);
}
//從新計算基本按鈕位置
void CToolkit::resizeBasicBtns()
{
basicLab->setGeometry(mCurLocWidth, mCurLocHeight, LINEWIDTH, BUTTONHEIGHT);
mCurLocWidth = 0;
mCurLocHeight += HEIGHTINTERVAL;
mBasLineHeiLoc = mCurLocHeight - 2; //保存基本按鈕上面的要繪製的線的位置
int tmp = mWndWidth / WIDTHINTERVAL;
if(tmp * WIDTHINTERVAL + BUTTONWIDTH < mWndWidth)
{
tmp++;
}
mMode = mBasicBtnNums % tmp;
//計算全部基本按鈕的位置，當恰好能整行放置全部按鈕的話，在resizeExtensionBtns()中的mCurLocHeight的值多加了一個HEIGHTINTERVAL，
//因此添加了mMode來控制是否恰好整行放置
for(QVector<QPushButton*>::iterator it = mBasBtns.begin(); it != mBasBtns.end(); ++it)
{
QPushButton *tmpBtn = *it;
if(mCurLocWidth + BUTTONWIDTH < mWndWidth)
{
tmpBtn->setGeometry(mCurLocWidth, mCurLocHeight, BUTTONWIDTH, BUTTONHEIGHT);
if(mCurLocWidth + WIDTHINTERVAL + BUTTONWIDTH < mWndWidth)
{
mCurLocWidth += WIDTHINTERVAL;
}
else
{
mCurLocWidth = 0;
mCurLocHeight += HEIGHTINTERVAL;
}
}
}
}
void CToolkit::resizeExtensionBtns()
{
mCurLocWidth = 0;
//計算基本按鈕是否恰好整行放置
if(0 == mMode)
{
mCurLocHeight -= HEIGHTINTERVAL;
}
{
mCurLocHeight += HEIGHTINTERVAL;
}
int tmp = mWndWidth / WIDTHINTERVAL;
if(tmp * WIDTHINTERVAL + BUTTONWIDTH < mWndWidth)
{
tmp++;
}
mMode = mExtBtnNums % tmp;
extLab->setGeometry(mCurLocWidth, mCurLocHeight, LINEWIDTH, BUTTONHEIGHT);
mCurLocWidth = 0;
mCurLocHeight += HEIGHTINTERVAL;
mExtLineHeiLoc = mCurLocHeight - 2; //保存擴展按鈕上面的要繪製的線的位置
//計算全部擴展按鈕的位置，當恰好能整行放置全部按鈕的話，在resizeUIBtns()中的mCurLocHeight的值多加了一個HEIGHTINTERVAL，
//因此添加了mMode來控制是否恰好整行放置
for(QVector<QPushButton*>::iterator it = mExtBtns.begin(); it != mExtBtns.end(); ++it)
{
QPushButton *tmpBtn = *it;
if(mCurLocWidth + BUTTONWIDTH < mWndWidth)
{
tmpBtn->setGeometry(mCurLocWidth, mCurLocHeight, BUTTONWIDTH, BUTTONHEIGHT);
if(mCurLocWidth + WIDTHINTERVAL + BUTTONWIDTH < mWndWidth)
{
mCurLocWidth += WIDTHINTERVAL;
}
else
{
mCurLocWidth = 0;
mCurLocHeight += HEIGHTINTERVAL;
}
}
}
}
void CToolkit::resizeUIBtns()
{
mCurLocWidth = 0;
if(0 == mMode)
{
mCurLocHeight -= HEIGHTINTERVAL;
}
{
mCurLocHeight += HEIGHTINTERVAL;
}
UILab->setGeometry(mCurLocWidth, mCurLocHeight, LINEWIDTH, BUTTONHEIGHT);
//因爲UI按鈕下面沒有內容，不須要在計算mMode
mCurLocWidth = 0;
mCurLocHeight += HEIGHTINTERVAL;
mUILineHeiLoc = mCurLocHeight - 2; //保存UI按鈕上面的要繪製的線的位置
for(QVector<QPushButton*>::iterator it = mUIBtns.begin(); it != mUIBtns.end(); ++it)
{
QPushButton *tmpBtn = *it;
if(mCurLocWidth + BUTTONWIDTH < mWndWidth)
{
tmpBtn->setGeometry(mCurLocWidth, mCurLocHeight, BUTTONWIDTH, BUTTONHEIGHT);
if(mCurLocWidth + WIDTHINTERVAL + BUTTONWIDTH < mWndWidth)
{
mCurLocWidth += WIDTHINTERVAL;
}
else
{
mCurLocWidth = 0;
mCurLocHeight += HEIGHTINTERVAL;
}
}
}
}
//繪製三條直線
void CToolkit::paintEvent(QPaintEvent *event)
{
QPainter painter(this); // 建立QPainter一個對象
QPen pen;
painter.setPen(pen); // 設置畫筆
painter.drawLine(0, mBasLineHeiLoc, mWndWidth, mBasLineHeiLoc);
painter.drawLine(0, mExtLineHeiLoc, mWndWidth, mExtLineHeiLoc);
painter.drawLine(0, mUILineHeiLoc, mWndWidth, mUILineHeiLoc);
QWidget::paintEvent(event);
}
//main.cpp 代碼以下：this
#include "mainwindow.h"
#include "toolkit.h"
#include <QApplication>
#include <QDockWidget>
#include <QTextEdit>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
QMainWindow *mainWnd = new QMainWindow;
QTextEdit *txtEdit = new QTextEdit;
mainWnd->setCentralWidget(txtEdit);
CToolkit *pToolkit = new CToolkit;
if(NULL == pToolkit)
{
return 1;
}
QDockWidget *toolkitDock = new QDockWidget();
if(NULL == toolkitDock)
{
return 1;
}
toolkitDock->setWindowTitle("工具箱");
toolkitDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
toolkitDock->setWidget(pToolkit);
mainWnd->addDockWidget(Qt::LeftDockWidgetArea, toolkitDock);
mainWnd->show();
return a.exec();
}
源代碼下載：點擊打開連接spa