修正大量demo

colorwidget/colorwidget.cpp

@@ -86,14 +86,14 @@ ColorWidget::ColorWidget(QWidget *parent) : QWidget(parent)
     txtPoint = new QLineEdit(this);
     gridLayout->addWidget(txtPoint, 2, 2, 1, 1);
 
-    label->setText("当前颜色显示");
+    label->setText("当前颜色");
     labWeb->setText("web值:");
     labRgb->setText("rgb值:");
     labPoint->setText("坐标值:");
 
     this->setLayout(gridLayout);
     this->setWindowTitle("屏幕拾色器");
-    this->setFixedSize(270, 108);
+    this->setFixedSize(300, 108);
 
     cp = QApplication::clipboard();
     pressed = false;

colorwidget/colorwidget.pro

@@ -14,5 +14,10 @@ DESTDIR     = $$PWD/../bin
 CONFIG      += warn_off
 
 SOURCES     += main.cpp
+SOURCES     += frmcolorwidget.cpp
 SOURCES     += colorwidget.cpp
+
 HEADERS     += colorwidget.h
+HEADERS     += frmcolorwidget.h
+
+FORMS       += frmcolorwidget.ui

colorwidget/frmcolorwidget.cpp

@@ -0,0 +1,18 @@
+#include "frmcolorwidget.h"
+#include "ui_frmcolorwidget.h"
+#include "colorwidget.h"
+
+frmColorWidget::frmColorWidget(QWidget *parent) : QWidget(parent), ui(new Ui::frmColorWidget)
+{
+    ui->setupUi(this);
+}
+
+frmColorWidget::~frmColorWidget()
+{
+    delete ui;
+}
+
+void frmColorWidget::on_pushButton_clicked()
+{
+    ColorWidget::Instance()->show();
+}

colorwidget/frmcolorwidget.h

@@ -0,0 +1,25 @@
+#ifndef FRMCOLORWIDGET_H
+#define FRMCOLORWIDGET_H
+
+#include <QWidget>
+
+namespace Ui {
+class frmColorWidget;
+}
+
+class frmColorWidget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit frmColorWidget(QWidget *parent = 0);
+    ~frmColorWidget();
+
+private slots:
+    void on_pushButton_clicked();
+
+private:
+    Ui::frmColorWidget *ui;
+};
+
+#endif // FRMCOLORWIDGET_H

colorwidget/frmcolorwidget.ui

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>frmColorWidget</class>
+ <widget class="QWidget" name="frmColorWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <widget class="QPushButton" name="pushButton">
+   <property name="geometry">
+    <rect>
+     <x>10</x>
+     <y>10</y>
+     <width>92</width>
+     <height>28</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>弹出</string>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

colorwidget/main.cpp

@@ -1,9 +1,8 @@
 #pragma execution_character_set("utf-8")
 
-#include "colorwidget.h"
+#include "frmcolorwidget.h"
 #include <QApplication>
 #include <QTextCodec>
-#include <QIcon>
 
 int main(int argc, char *argv[])
 {
@@ -24,7 +23,9 @@ int main(int argc, char *argv[])
     QTextCodec::setCodecForLocale(codec);
 #endif
 
-    ColorWidget::Instance()->show();
+    frmColorWidget w;
+    w.setWindowTitle("屏幕拾色器");
+    w.show();
 
     return a.exec();
 }

framelesswidget/frmframelesswidget.cpp

@@ -22,7 +22,7 @@ void frmFramelessWidget::closeEvent(QCloseEvent *)
     exit(0);
 }
 
-void frmFramelessWidget::on_btnOpen_clicked()
+void frmFramelessWidget::on_pushButton_clicked()
 {
     if (w == 0) {
         w = new QWidget;

framelesswidget/frmframelesswidget.h

@@ -4,8 +4,7 @@
 #include <QWidget>
 class FramelessWidget;
 
-namespace Ui
+namespace Ui {
-{
 class frmFramelessWidget;
 }
 
@@ -26,7 +25,7 @@ private:
     FramelessWidget *frameless;
 
 private slots:
-    void on_btnOpen_clicked();
+    void on_pushButton_clicked();
     void stateChanged1(int arg1);
     void stateChanged2(int arg1);
 };

framelesswidget/frmframelesswidget.ui

@@ -13,17 +13,17 @@
   <property name="windowTitle">
    <string>Form</string>
   </property>
-  <widget class="QPushButton" name="btnOpen">
+  <widget class="QPushButton" name="pushButton">
    <property name="geometry">
     <rect>
      <x>10</x>
      <y>10</y>
-     <width>181</width>
+     <width>92</width>
-     <height>23</height>
+     <height>28</height>
     </rect>
    </property>
    <property name="text">
-    <string>弹窗无边框窗体</string>
+    <string>弹出</string>
    </property>
   </widget>
  </widget>

gifwidget/frmgifwidget.cpp

@@ -0,0 +1,18 @@
+#include "frmgifwidget.h"
+#include "ui_frmgifwidget.h"
+#include "gifwidget.h"
+
+frmGifWidget::frmGifWidget(QWidget *parent) : QWidget(parent), ui(new Ui::frmGifWidget)
+{
+    ui->setupUi(this);
+}
+
+frmGifWidget::~frmGifWidget()
+{
+    delete ui;
+}
+
+void frmGifWidget::on_pushButton_clicked()
+{
+    GifWidget::Instance()->show();
+}

gifwidget/frmgifwidget.h

@@ -0,0 +1,25 @@
+#ifndef FRMGIFWIDGET_H
+#define FRMGIFWIDGET_H
+
+#include <QWidget>
+
+namespace Ui {
+class frmGifWidget;
+}
+
+class frmGifWidget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit frmGifWidget(QWidget *parent = 0);
+    ~frmGifWidget();
+
+private slots:
+    void on_pushButton_clicked();
+
+private:
+    Ui::frmGifWidget *ui;
+};
+
+#endif // FRMGIFWIDGET_H

gifwidget/frmgifwidget.ui

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>frmGifWidget</class>
+ <widget class="QWidget" name="frmGifWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <widget class="QPushButton" name="pushButton">
+   <property name="geometry">
+    <rect>
+     <x>10</x>
+     <y>10</y>
+     <width>92</width>
+     <height>28</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>弹出</string>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

gifwidget/gif.h

@@ -72,16 +72,13 @@ public:
     };
 
     // max, min, and abs functions
-    int GifIMax(int l, int r)
+    int GifIMax(int l, int r) {
-    {
         return l > r ? l : r;
     }
-    int GifIMin(int l, int r)
+    int GifIMin(int l, int r) {
-    {
         return l < r ? l : r;
     }
-    int GifIAbs(int i)
+    int GifIAbs(int i) {
-    {
         return i < 0 ? -i : i;
     }
 
@@ -89,8 +86,7 @@ public:
     // Takes as in/out parameters the current best color and its error -
     // only changes them if it finds a better color in its subtree.
     // this is the major hotspot in the code at the moment.
-    void GifGetClosestPaletteColor(GifPalette *pPal, int r, int g, int b, int &bestInd, int &bestDiff, int treeRoot = 1)
+    void GifGetClosestPaletteColor(GifPalette *pPal, int r, int g, int b, int &bestInd, int &bestDiff, int treeRoot = 1) {
-    {
         // base case, reached the bottom of the tree
         if (treeRoot > (1 << pPal->bitDepth) - 1) {
             int ind = treeRoot - (1 << pPal->bitDepth);
@@ -131,8 +127,7 @@ public:
         }
     }
 
-    void GifSwapPixels(uint8_t *image, int pixA, int pixB)
+    void GifSwapPixels(uint8_t *image, int pixA, int pixB) {
-    {
         uint8_t rA = image[pixA * 4];
         uint8_t gA = image[pixA * 4 + 1];
         uint8_t bA = image[pixA * 4 + 2];
@@ -155,8 +150,7 @@ public:
     }
 
     // just the partition operation from quicksort
-    int GifPartition(uint8_t *image, const int left, const int right, const int elt, int pivotIndex)
+    int GifPartition(uint8_t *image, const int left, const int right, const int elt, int pivotIndex) {
-    {
         const int pivotValue = image[(pivotIndex) * 4 + elt];
         GifSwapPixels(image, pivotIndex, right - 1);
         int storeIndex = left;
@@ -179,8 +173,7 @@ public:
     }
 
     // Perform an incomplete sort, finding all elements above and below the desired median
-    void GifPartitionByMedian(uint8_t *image, int left, int right, int com, int neededCenter)
+    void GifPartitionByMedian(uint8_t *image, int left, int right, int com, int neededCenter) {
-    {
         if (left < right - 1) {
             int pivotIndex = left + (right - left) / 2;
             pivotIndex = GifPartition(image, left, right, com, pivotIndex);
@@ -199,8 +192,7 @@ public:
                          int numPixels, int firstElt,
                          int lastElt, int splitElt,
                          int splitDist, int treeNode,
-                         bool buildForDither, GifPalette *pal)
+                         bool buildForDither, GifPalette *pal) {
-    {
         if (lastElt <= firstElt || numPixels == 0) {
             return;
         }
@@ -318,8 +310,7 @@ public:
     // moves them to the fromt of th buffer.
     // This allows us to build a palette optimized for the colors of the
     // changed pixels only.
-    int GifPickChangedPixels( const uint8_t *lastFrame, uint8_t *frame, int numPixels )
+    int GifPickChangedPixels(const uint8_t *lastFrame, uint8_t *frame, int numPixels) {
-    {
         int numChanged = 0;
         uint8_t *writeIter = frame;
         for (int ii = 0; ii < numPixels; ++ii) {
@@ -344,8 +335,7 @@ public:
                         const uint8_t *nextFrame,
                         uint32_t width, uint32_t height,
                         int bitDepth, bool buildForDither,
-                         GifPalette *pPal )
+                        GifPalette *pPal) {
-    {
         pPal->bitDepth = bitDepth;
 
         // SplitPalette is destructive (it sorts the pixels by color) so
@@ -377,8 +367,7 @@ public:
     // Implements Floyd-Steinberg dithering, writes palette value to alpha
     void GifDitherImage(const uint8_t *lastFrame, const uint8_t *nextFrame,
                         uint8_t *outFrame, uint32_t width,
-                         uint32_t height, GifPalette *pPal )
+                        uint32_t height, GifPalette *pPal) {
-    {
         int numPixels = (int)(width * height);
 
         // quantPixels initially holds color*256 for all pixels
@@ -473,8 +462,7 @@ public:
     // Picks palette colors for the image using simple thresholding, no dithering
     void GifThresholdImage(const uint8_t *lastFrame, const uint8_t *nextFrame,
                            uint8_t *outFrame, uint32_t width, uint32_t height,
-                            GifPalette *pPal )
+                           GifPalette *pPal) {
-    {
         uint32_t numPixels = width * height;
         for (uint32_t ii = 0; ii < numPixels; ++ii) {
             // if a previous color is available, and it matches the current color,
@@ -518,8 +506,7 @@ public:
     };
 
     // insert a single bit
-    void GifWriteBit( GifBitStatus &stat, uint32_t bit )
+    void GifWriteBit(GifBitStatus &stat, uint32_t bit) {
-    {
         bit = bit & 1;
         bit = bit << stat.bitIndex;
         stat.byte |= bit;
@@ -535,8 +522,7 @@ public:
     }
 
     // write all bytes so far to the file
-    void GifWriteChunk( FILE *f, GifBitStatus &stat )
+    void GifWriteChunk(FILE *f, GifBitStatus &stat) {
-    {
         fputc((int)stat.chunkIndex, f);
         fwrite(stat.chunk, 1, stat.chunkIndex, f);
 
@@ -545,8 +531,7 @@ public:
         stat.chunkIndex = 0;
     }
 
-    void GifWriteCode( FILE *f, GifBitStatus &stat, uint32_t code, uint32_t length )
+    void GifWriteCode(FILE *f, GifBitStatus &stat, uint32_t code, uint32_t length) {
-    {
         for (uint32_t ii = 0; ii < length; ++ii) {
             GifWriteBit(stat, code);
             code = code >> 1;
@@ -563,8 +548,7 @@ public:
     };
 
     // write a 256-color (8-bit) image palette to the file
-    void GifWritePalette( const GifPalette *pPal, FILE *f )
+    void GifWritePalette(const GifPalette *pPal, FILE *f) {
-    {
         fputc(0, f);  // first color: transparency
         fputc(0, f);
         fputc(0, f);
@@ -582,8 +566,7 @@ public:
     void GifWriteLzwImage(FILE *f, uint8_t *image, uint32_t left,
                           uint32_t top,  uint32_t width,
                           uint32_t height, uint32_t delay,
-                          GifPalette *pPal)
+                          GifPalette *pPal) {
-    {
         // graphics control extension
         fputc(0x21, f);
         fputc(0xf9, f);
@@ -694,8 +677,7 @@ public:
     bool GifBegin(GifWriter *writer, const char *filename,
                   uint32_t width, uint32_t height,
                   uint32_t delay, int32_t bitDepth = 8,
-                   bool dither = false )
+                  bool dither = false) {
-    {
         (void)bitDepth;
         (void)dither; // Mute "Unused argument" warnings
 #if defined(_MSC_VER) && (_MSC_VER >= 1400)
@@ -757,8 +739,7 @@ public:
     // this may be handy to save bits in animations that don't change much.
     bool GifWriteFrame(GifWriter *writer, const uint8_t *image,
                        uint32_t width, uint32_t height,
-                        uint32_t delay, int bitDepth = 8, bool dither = false )
+                       uint32_t delay, int bitDepth = 8, bool dither = false) {
-    {
         if (!writer->f) {
             return false;
         }
@@ -783,8 +764,7 @@ public:
     // Writes the EOF code, closes the file handle, and frees temp memory used by a GIF.
     // Many if not most viewers will still display a GIF properly if the EOF code is missing,
     // but it's still a good idea to write it out.
-    bool GifEnd( GifWriter *writer )
+    bool GifEnd(GifWriter *writer) {
-    {
         if (!writer->f) {
             return false;
         }

gifwidget/gifwidget.h

@@ -24,6 +24,7 @@ class GifWidget : public QDialog
 
 {
     Q_OBJECT
+
     Q_PROPERTY(int borderWidth READ getBorderWidth WRITE setBorderWidth)
     Q_PROPERTY(QColor bgColor READ getBgColor WRITE setBgColor)
 

gifwidget/gifwidget.pro

@@ -14,7 +14,12 @@ DESTDIR     = $$PWD/../bin
 CONFIG      += warn_off
 
 SOURCES     += main.cpp
+SOURCES     += frmgifwidget.cpp
 SOURCES     += gifwidget.cpp
+
 HEADERS     += gifwidget.h
+HEADERS     += frmgifwidget.h
 HEADERS     += gif.h
+
+FORMS       += frmgifwidget.ui
 RESOURCES   += main.qrc

gifwidget/main.cpp

@@ -1,6 +1,6 @@
 #pragma execution_character_set("utf-8")
 
-#include "gifwidget.h"
+#include "frmgifwidget.h"
 #include <QApplication>
 #include <QTextCodec>
 #include <QIcon>
@@ -25,7 +25,9 @@ int main(int argc, char *argv[])
     QTextCodec::setCodecForLocale(codec);
 #endif
 
-    GifWidget::Instance()->show();
+    frmGifWidget w;
+    w.setWindowTitle("GIF录屏");
+    w.show();
 
     return a.exec();
 }

maskwidget/frmmaskwidget.cpp

@@ -4,12 +4,13 @@
 #include "ui_frmmaskwidget.h"
 #include "maskwidget.h"
 #include "qdialog.h"
+#include "qtimer.h"
+#include "qdebug.h"
 
 frmMaskWidget::frmMaskWidget(QWidget *parent) : QWidget(parent), ui(new Ui::frmMaskWidget)
 {
     ui->setupUi(this);
-    MaskWidget::Instance()->setMainWidget(this);
+    QTimer::singleShot(1000, this, SLOT(initForm()));
-    MaskWidget::Instance()->setDialogNames(QStringList() << "frmTest");
 }
 
 frmMaskWidget::~frmMaskWidget()
@@ -18,6 +19,12 @@ frmMaskWidget::~frmMaskWidget()
     exit(0);
 }
 
+void frmMaskWidget::initForm()
+{
+    MaskWidget::Instance()->setMainWidget(this->topLevelWidget());
+    MaskWidget::Instance()->setDialogNames(QStringList() << "frmTest");
+}
+
 void frmMaskWidget::on_pushButton_clicked()
 {
     QDialog d;

maskwidget/frmmaskwidget.h

@@ -15,11 +15,12 @@ public:
     explicit frmMaskWidget(QWidget *parent = 0);
     ~frmMaskWidget();
 
-private slots:
-    void on_pushButton_clicked();
-
 private:
     Ui::frmMaskWidget *ui;
+
+private slots:
+    void initForm();
+    void on_pushButton_clicked();
 };
 
 #endif // FRMMASKWIDGET_H

maskwidget/frmmaskwidget.ui

@@ -18,12 +18,12 @@
     <rect>
      <x>10</x>
      <y>10</y>
-     <width>131</width>
+     <width>92</width>
-     <height>23</height>
+     <height>28</height>
     </rect>
    </property>
    <property name="text">
-    <string>弹出遮罩窗体</string>
+    <string>弹出</string>
    </property>
   </widget>
  </widget>

movewidget/frmmovewidget.h

@@ -3,8 +3,7 @@
 
 #include <QWidget>
 
-namespace Ui
+namespace Ui {
-{
 class frmMoveWidget;
 }
 

movewidget/movewidget.cpp

@@ -55,14 +55,6 @@ bool MoveWidget::eventFilter(QObject *watched, QEvent *event)
     return QObject::eventFilter(watched, event);
 }
 
-void MoveWidget::setWidget(QWidget *widget)
-{
-    if (this->widget == 0) {
-        this->widget = widget;
-        this->widget->installEventFilter(this);
-    }
-}
-
 void MoveWidget::setLeftButton(bool leftButton)
 {
     this->leftButton = leftButton;
@@ -72,3 +64,11 @@ void MoveWidget::setInControl(bool inControl)
 {
     this->inControl = inControl;
 }
+
+void MoveWidget::setWidget(QWidget *widget)
+{
+    if (this->widget == 0) {
+        this->widget = widget;
+        this->widget->installEventFilter(this);
+    }
+}

movewidget/movewidget.h

@@ -3,21 +3,15 @@
 
 /**
  * 通用控件移动类 作者:feiyangqingyun(QQ:517216493) 2019-9-28
- * 1:可以指定需要移动的widget
+ * 1. 可以指定需要移动的widget
- * 2:可设置是否限定鼠标左键拖动
+ * 2. 可设置是否限定鼠标左键拖动
- * 3:支持任意widget控件
+ * 3. 支持任意widget控件
  */
 
 #include <QWidget>
 
 #ifdef quc
-#if (QT_VERSION < QT_VERSION_CHECK(5,7,0))
+class Q_DECL_EXPORT MoveWidget : public QObject
-#include <QtDesigner/QDesignerExportWidget>
-#else
-#include <QtUiPlugin/QDesignerExportWidget>
-#endif
-
-class QDESIGNER_WIDGET_EXPORT MoveWidget : public QObject
 #else
 class MoveWidget : public QObject
 #endif

pngtool/frmpngtool.cpp

@@ -1,4 +1,5 @@
-#include "frmpngtool.h"
+#pragma execution_character_set("utf-8")
+#include "frmpngtool.h"
 #include "ui_frmpngtool.h"
 #include "qfile.h"
 #include "qfiledialog.h"
@@ -40,7 +41,7 @@ void frmPngTool::on_btnOk_clicked()
 
     //将单个文件加入队列
     QString currentFile = ui->txtFile->text().trimmed();
-    if (currentFile.isEmpty()) {
+    if (!currentFile.isEmpty()) {
         files.append(currentFile);
     }
 
@@ -51,7 +52,6 @@ void frmPngTool::on_btnOk_clicked()
         QStringList filter;
         filter << "*.png";
         QStringList list = imagePath.entryList(filter);
-
         foreach (QString str, list) {
             files.append(currentDir + "/" + str);
         }
@@ -60,9 +60,10 @@ void frmPngTool::on_btnOk_clicked()
     ui->progress->setRange(0, files.count());
     ui->progress->setValue(0);
 
+    ui->txtMain->clear();
     int count = 0;
     foreach (QString file, files) {
-        qDebug() << "current file:" << file;
+        ui->txtMain->append(file);
         QImage image(file);
         image.save(file, "png");
         count++;
@@ -70,5 +71,5 @@ void frmPngTool::on_btnOk_clicked()
         qApp->processEvents();
     }
 
-    qDebug() << "finsh";
+    ui->txtMain->append(QString("处理完成, 共 %1 个文件").arg(files.count()));
 }

pngtool/frmpngtool.ui

@@ -6,14 +6,24 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>437</width>
+    <width>800</width>
-    <height>105</height>
+    <height>600</height>
    </rect>
   </property>
   <property name="windowTitle">
    <string>Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0">
+    <widget class="QLineEdit" name="txtFile"/>
+   </item>
+   <item row="2" column="1">
+    <widget class="QPushButton" name="btnOk">
+     <property name="text">
+      <string>执行转换</string>
+     </property>
+    </widget>
+   </item>
    <item row="1" column="0">
     <widget class="QLineEdit" name="txtDir"/>
    </item>
@@ -24,9 +34,6 @@
      </property>
     </widget>
    </item>
-   <item row="0" column="0">
-    <widget class="QLineEdit" name="txtFile"/>
-   </item>
    <item row="0" column="1">
     <widget class="QPushButton" name="btnFile">
      <property name="text">
@@ -37,29 +44,15 @@
    <item row="2" column="0">
     <widget class="QProgressBar" name="progress">
      <property name="value">
-      <number>24</number>
+      <number>0</number>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignCenter</set>
      </property>
     </widget>
    </item>
-   <item row="2" column="1">
+   <item row="3" column="0" colspan="2">
-    <widget class="QPushButton" name="btnOk">
+    <widget class="QTextEdit" name="txtMain"/>
-     <property name="text">
-      <string>执行转换</string>
-     </property>
-    </widget>
-   </item>
-   <item row="3" column="0">
-    <spacer name="verticalSpacer">
-     <property name="orientation">
-      <enum>Qt::Vertical</enum>
-     </property>
-     <property name="sizeHint" stdset="0">
-      <size>
-       <width>20</width>
-       <height>40</height>
-      </size>
-     </property>
-    </spacer>
    </item>
   </layout>
  </widget>

screenwidget/frmscreenwidget.cpp

@@ -0,0 +1,18 @@
+#include "frmscreenwidget.h"
+#include "ui_frmscreenwidget.h"
+#include "screenwidget.h"
+
+frmScreenWidget::frmScreenWidget(QWidget *parent) : QWidget(parent), ui(new Ui::frmScreenWidget)
+{
+    ui->setupUi(this);
+}
+
+frmScreenWidget::~frmScreenWidget()
+{
+    delete ui;
+}
+
+void frmScreenWidget::on_pushButton_clicked()
+{
+    ScreenWidget::Instance()->showFullScreen();
+}

screenwidget/frmscreenwidget.h

@@ -0,0 +1,25 @@
+#ifndef FRMSCREENWIDGET_H
+#define FRMSCREENWIDGET_H
+
+#include <QWidget>
+
+namespace Ui {
+class frmScreenWidget;
+}
+
+class frmScreenWidget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit frmScreenWidget(QWidget *parent = 0);
+    ~frmScreenWidget();
+
+private slots:
+    void on_pushButton_clicked();
+
+private:
+    Ui::frmScreenWidget *ui;
+};
+
+#endif // FRMSCREENWIDGET_H

screenwidget/frmscreenwidget.ui

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>frmScreenWidget</class>
+ <widget class="QWidget" name="frmScreenWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <widget class="QPushButton" name="pushButton">
+   <property name="geometry">
+    <rect>
+     <x>10</x>
+     <y>10</y>
+     <width>92</width>
+     <height>28</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>弹出</string>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

screenwidget/main.cpp

@@ -1,9 +1,8 @@
 #pragma execution_character_set("utf-8")
 
-#include "screenwidget.h"
+#include "frmscreenwidget.h"
 #include <QApplication>
 #include <QTextCodec>
-#include <QIcon>
 
 int main(int argc, char *argv[])
 {
@@ -24,7 +23,9 @@ int main(int argc, char *argv[])
     QTextCodec::setCodecForLocale(codec);
 #endif
 
-    ScreenWidget::Instance()->showFullScreen();
+    frmScreenWidget w;
+    w.setWindowTitle("屏幕截图");
+    w.show();
 
     return a.exec();
 }

screenwidget/screenwidget.pro

@@ -14,5 +14,10 @@ DESTDIR     = $$PWD/../bin
 CONFIG      += warn_off
 
 SOURCES     += main.cpp
+SOURCES     += frmscreenwidget.cpp
 SOURCES     += screenwidget.cpp
+
 HEADERS     += screenwidget.h
+HEADERS     += frmscreenwidget.h
+
+FORMS       += frmscreenwidget.ui