[feature|optimize]支持自由截图按C键复制颜色值；重构自由截图相关代码

Author: SkyD666

SmartScreenSnapper/SmartScreenSnapper.pro

@@ -21,6 +21,9 @@ SOURCES += \
     src/aboutdialog.cpp \
     src/application.cpp \
     src/const.cpp \
+    src/freesnap/freesnapgraphicsview.cpp \
+    src/freesnap/freesnaprect.cpp \
+    src/freesnap/freesnapscene.cpp \
     src/freesnapdialog.cpp \
     src/gif-h/gif.cpp \
     src/gifdialog.cpp \
@@ -42,6 +45,9 @@ HEADERS += \
     src/aboutdialog.h \
     src/application.h \
     src/const.h \
+    src/freesnap/freesnapgraphicsview.h \
+    src/freesnap/freesnaprect.h \
+    src/freesnap/freesnapscene.h \
     src/freesnapdialog.h \
     src/gif-h/gif.h \
     src/gifdialog.h \

SmartScreenSnapper/SmartScreenSnapper.pro.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.11.1, 2022-08-20T14:32:08. -->
+<!-- Written by QtCreator 4.11.1, 2022-10-03T20:44:18. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>
@@ -67,7 +67,7 @@
    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Desktop Qt 5.14.2 MinGW 32-bit</value>
    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Desktop Qt 5.14.2 MinGW 32-bit</value>
    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">qt.qt5.5142.win32_mingw73_kit</value>
-   <value type="int" key="ProjectExplorer.Target.ActiveBuildConfiguration">1</value>
+   <value type="int" key="ProjectExplorer.Target.ActiveBuildConfiguration">0</value>
    <value type="int" key="ProjectExplorer.Target.ActiveDeployConfiguration">0</value>
    <value type="int" key="ProjectExplorer.Target.ActiveRunConfiguration">0</value>
    <valuemap type="QVariantMap" key="ProjectExplorer.Target.BuildConfiguration.0">
@@ -299,7 +299,7 @@
     <value type="bool" key="RunConfiguration.UseQmlDebugger">false</value>
     <value type="bool" key="RunConfiguration.UseQmlDebuggerAuto">true</value>
     <value type="QString" key="RunConfiguration.WorkingDirectory"></value>
-    <value type="QString" key="RunConfiguration.WorkingDirectory.default">E:/C++/SmartScreenSnapper/build_MinGW_32_bit-Release</value>
+    <value type="QString" key="RunConfiguration.WorkingDirectory.default">E:/C++/SmartScreenSnapper/build-SmartScreenSnapper-Desktop_Qt_5_14_2_MinGW_32_bit-Debug</value>
    </valuemap>
    <value type="int" key="ProjectExplorer.Target.RunConfigurationCount">1</value>
   </valuemap>
@@ -542,7 +542,7 @@
     <value type="bool" key="RunConfiguration.UseQmlDebugger">false</value>
     <value type="bool" key="RunConfiguration.UseQmlDebuggerAuto">true</value>
     <value type="QString" key="RunConfiguration.WorkingDirectory"></value>
-    <value type="QString" key="RunConfiguration.WorkingDirectory.default">E:/C++/SmartScreenSnapper/build_MinGW_64_bit-Debug</value>
+    <value type="QString" key="RunConfiguration.WorkingDirectory.default"></value>
    </valuemap>
    <value type="int" key="ProjectExplorer.Target.RunConfigurationCount">1</value>
   </valuemap>

SmartScreenSnapper/src/freesnap/freesnapgraphicsview.cpp

@@ -0,0 +1,30 @@
+#include "freesnapgraphicsview.h"
+
+#include <QMouseEvent>
+
+FreeSnapGraphicsView::FreeSnapGraphicsView(QWidget *parent) :
+    QGraphicsView(parent),
+    ignoreMouseEvent(false)
+{
+    setMouseTracking(true);
+}
+
+void FreeSnapGraphicsView::setIgnoreMouseEvent(bool ignore)
+{
+    ignoreMouseEvent = ignore;
+}
+
+void FreeSnapGraphicsView::mousePressEvent(QMouseEvent *event)
+{
+    if (ignoreMouseEvent) event->ignore();
+}
+
+void FreeSnapGraphicsView::mouseReleaseEvent(QMouseEvent *event)
+{
+    if (ignoreMouseEvent) event->ignore();
+}
+
+void FreeSnapGraphicsView::mouseMoveEvent(QMouseEvent *event)
+{
+    if (ignoreMouseEvent) event->ignore();
+}

SmartScreenSnapper/src/freesnap/freesnapgraphicsview.h

@@ -0,0 +1,22 @@
+#ifndef FREESNAPGRAPHICSVIEW_H
+#define FREESNAPGRAPHICSVIEW_H
+
+#include <QGraphicsView>
+
+class FreeSnapGraphicsView : public QGraphicsView
+{
+public:
+    FreeSnapGraphicsView(QWidget *parent = nullptr);
+
+    void setIgnoreMouseEvent(bool ignore);
+
+private:
+    bool ignoreMouseEvent;
+
+protected:
+    void mousePressEvent(QMouseEvent *event);
+    void mouseReleaseEvent(QMouseEvent *event);
+    void mouseMoveEvent(QMouseEvent *event);
+};
+
+#endif // FREESNAPGRAPHICSVIEW_H

SmartScreenSnapper/src/freesnap/freesnaprect.cpp

@@ -0,0 +1,13 @@
+#include "freesnaprect.h"
+#include <QMouseEvent>
+
+FreeSnapRect::FreeSnapRect(QWidget* parent, Qt::WindowFlags f) : QFrame(parent)
+{
+    setMouseTracking(true);
+}
+
+void FreeSnapRect::mouseMoveEvent(QMouseEvent *event)
+{
+    emit mouseMove(event->pos());
+    QWidget::mouseMoveEvent(event);
+}

SmartScreenSnapper/src/freesnap/freesnaprect.h

@@ -0,0 +1,20 @@
+#ifndef FREESNAPRECT_H
+#define FREESNAPRECT_H
+
+#include <QFrame>
+
+class FreeSnapRect : public QFrame
+{
+    Q_OBJECT
+
+signals:
+    void mouseMove(QPoint p);
+
+public:
+    FreeSnapRect(QWidget* parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags());
+
+protected:
+    void mouseMoveEvent(QMouseEvent *event);
+};
+
+#endif // FREESNAPRECT_H

SmartScreenSnapper/src/freesnap/freesnapscene.cpp

@@ -0,0 +1,11 @@
+#include "freesnapscene.h"
+
+#include <QDebug>
+#include <QtMath>
+#include <QGraphicsSceneMouseEvent>
+
+FreeSnapScene::FreeSnapScene(QObject *parent) :
+    QGraphicsScene(parent)
+{
+
+}

SmartScreenSnapper/src/freesnap/freesnapscene.h

@@ -0,0 +1,15 @@
+#ifndef FREESNAPSCENE_H
+#define FREESNAPSCENE_H
+
+#include <QGraphicsScene>
+
+
+class FreeSnapScene : public QGraphicsScene
+{
+    Q_OBJECT
+public:
+    FreeSnapScene(QObject *parent = nullptr);
+
+};
+
+#endif // FREESNAPSCENE_H