#include *View类的头文件后 View类中GetDocument()出错的解决办法

最新推荐文章于 2021-05-18 19:11:56 发布
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博客指出在编程中，要在包含 *view 的头文件之前包含 *doc 头文件，强调了头文件包含顺序的重要性。

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要在包含 *view的头文件之前包含*doc头文件
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MFC基础知识(一)——文档视图类指针获取、逻辑与设备坐标以及OnDraw
hong__fang的专栏
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本文主要介绍：MFC中一些基础知识。 一、获取Doc类和View类指针： 1.添加头文件： #include "MainFrm.h" #include "C***Doc.h" //Doc类头文件要放在View类头文件前面 #include "C***View.h" 2.单文档中获取： CMainFrame* pFrame=(CMainFrame*)AfxGetMainWnd();
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概述 一个最基本的文档视图框架程序组成部分：View(显示数据)；Document(管理数据)父类是CCmdTarget，提供文档数据的管理；Frame(作为容器)提供各种业务支持。 文档的使用创建过程： 1.调用Frame的LoadFrame()函数，创建Frame窗口 2.在Frame的WM_CREATE消息中，创建View对象以及窗口 3.在View的WM_CREATE消息中，将D
MFC视图切换问题（CTestDoc* GetDocument();）
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--------------------Configuration: Test - Win32 Debug-------------------- Compiling... SwichTree.cpp e:\test\testview.h(21) : error C2143: syntax error : missing ';' before '*' e:\test\testview.h(21) : error C2501: 'CTestDoc' : missing storage-class or type specifiers e:\test\testview.h(21) : error C2501: 'GetDocument' : missing storage-class or type specifiers Error executing cl.exe. Test.exe - 3 error(s), 0 warning(s)
c语言错误c4430,声明*C某类::Getdocument();（已声明，不兼容）
weixin_30193269的博客
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创建了一个CRightWindow类，基类为CScrollView，在.h文件中如下：public:CMy2015Doc*GetDocument();//errorC2143:语法错误:缺少“;”(在“*”的前面)//errorC4430:缺少类型说明符–假定为int。注意:C++不支持默认int在.cpp文件中如下：CMy2015Doc*CR...
在View中获得Doc指针
weixin_34026484的博客
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//呵呵，这些在实际运用中都是经常用到的，为了简单明了，及为了以后用到时，无处可寻,简单记录一下!... 在View中获得Doc指针 CYouSDIDoc *pDoc=GetDocument();一个视只能有一个文档。 转载于:https://www.cnblogs.com/friendan/archive/2011/11/13/2838254.html...
UIView的头文件简要介绍
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03-09 722
// //  UIView.h //  UIKit // //  Copyright (c) 2005-2012, Apple Inc. All rights reserved. // #import 基础框架入口 #import 触摸事件响应处理 #import 界面UIcolor, UIFont 定义  #impor
GetDocument()
Cainl的专栏
07-18 2515
视图对象是用来显示文档对象的内容，函数GetDocument()用于获取当前文档对象的指针m_pDocument.而函数OnDraw()是一个虚函数，负责文档对象的数据在用户视图区的显示输出。在向导生成的成员函数OnDraw()中调用了函数GetDocument().通过获取的文档类指针可以在视图中显示文档内容。 void CMysdiView::OnDraw(CDC* pDC)
加上注释，不要分隔，写出当前类的功能/**************************************************************************** ** ** This file is part of the LibreCAD project, a 2D CAD program ** ** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl) ** Copyright (C) 2001-2003 RibbonSoft. All rights reserved. ** ** ** This file may be distributed and/or modified under the terms of the ** GNU General Public License version 2 as published by the Free Software ** Foundation and appearing in the file gpl-2.0.txt included in the ** packaging of this file. ** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program; if not, write to the Free Software ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ** ** This copyright notice MUST APPEAR in all copies of the script! ** **********************************************************************/ #ifndef QC_MDIWINDOW_H #define QC_MDIWINDOW_H #include <qmainwindow.h> #include <qlist.h> #include "qc_graphicview.h" #include "qg_layerwidget.h" #include "qg_recentfiles.h" #include "qg_pentoolbar.h" //Added by qt3to4: #include <QCloseEvent> #include "rs_document.h" /** * MDI document window. Contains a document and a view (window). * * @author Andrew Mustun */ class QC_MDIWindow: public QMainWindow { Q_OBJECT public: QC_MDIWindow(RS_Document* doc, QWidget* parent, const char* name=NULL, Qt::WindowFlags wflags=Qt::WDestructiveClose); ~QC_MDIWindow(); void initDoc(RS_Document* doc=NULL); void initView(); public slots: void slotPenChanged(RS_Pen p); void slotFileNew(); bool slotFileOpen(const QString& fileName, RS2::FormatType type); bool slotFileSave(bool &cancelled, bool isAutoSave=false); bool slotFileSaveAs(bool &cancelled); bool slotFileClose(bool force); void slotFilePrint(); public: /** @return Pointer to graphic view */ QC_GraphicView* getGraphicView() { return graphicView; } /** @return Pointer to document */ RS_Document* getDocument() { return document; } /** @return Pointer to graphic or NULL */ RS_Graphic* getGraphic() { return document->getGraphic(); } /** @return Pointer to current event handler */ RS_EventHandler* getEventHandler() { if (graphicView!=NULL) { return graphicView->getEventHandler(); } else { return NULL; } } void addChildWindow(QC_MDIWindow* w); void removeChildWindow(QC_MDIWindow* w); QC_MDIWindow* getPrintPreview(); /** * Sets the parent window that will be notified if this */ void setParentWindow(QC_MDIWindow* p) { RS_DEBUG->print("setParentWindow"); parentWindow = p; } /** * @return The MDI window id. */ int getId() { return id; } bool closeMDI(bool force, bool ask=true); void setForceClosing(bool on) { forceClosing = on; } friend std::ostream& operator << (std::ostream& os, QC_MDIWindow& w); signals: void signalClosing(); protected: void closeEvent(QCloseEvent*); private: void drawChars(); private: /** window ID */ int id; /** ID counter */ static int idCounter; /** Graphic view */ QC_GraphicView* graphicView; /** Document */ RS_Document* document; /** Does the window own the document? */ bool owner; /** * List of known child windows that show blocks of the same drawing. */ QList<QC_MDIWindow*> childWindows; /** * Pointer to parent window which needs to know if this window * is closed or NULL. */ QC_MDIWindow* parentWindow; /** * If flag is set, the user will not be asked about closing this file. */ bool forceClosing; }; #endif
07-04
以下是你提供的 `QC_MDIWindow` 类的**完整带注释版本**，包括其功能说明和每个成员的作用描述： ```cpp /**************************************************************************** ** ** This file is part...
/**************************************************************************** ** ** This file is part of the LibreCAD project, a 2D CAD program ** ** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl) ** Copyright (C) 2001-2003 RibbonSoft. All rights reserved. ** ** ** This file may be distributed and/or modified under the terms of the ** GNU General Public License version 2 as published by the Free Software ** Foundation and appearing in the file gpl-2.0.txt included in the ** packaging of this file. ** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program; if not, write to the Free Software ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ** ** This copyright notice MUST APPEAR in all copies of the script! ** **********************************************************************/ #ifndef QC_APPLICATIONWINDOW_H #define QC_APPLICATIONWINDOW_H #undef QT_NO_WORKSPACE #include <qworkspace.h> #include "qc_mdiwindow.h" #include "qg_mainwindowinterface.h" #ifdef RS_SCRIPTING #include "qs_scripter.h" #include <qsproject.h> #endif class QG_LibraryWidget; class QG_CadToolBar; class QC_DialogFactory; class QG_LayerWidget; class QG_BlockWidget; class QG_CommandWidget; class QG_CoordinateWidget; class QG_MouseWidget; class QG_SelectionWidget; class QG_RecentFiles; class QG_PenToolBar; class QHelpEngine; class QC_PluginInterface; /** * Main application window. Hold together document, view and controls. * * @author Andrew Mustun */ class QC_ApplicationWindow: public QMainWindow, public QG_MainWindowInterface { Q_OBJECT public: QC_ApplicationWindow(); ~QC_ApplicationWindow(); void initActions(); void initMenuBar(); void initToolBar(); void initStatusBar(); void initSettings(); void restoreDocks(); void storeSettings(); void updateRecentFilesMenu(); void initMDI(); void initView(); bool queryExit(bool force); /** Catch hotkey for giving focus to command line. */ virtual void keyPressEvent(QKeyEvent* e); virtual void keyReleaseEvent(QKeyEvent* e); public slots: virtual void show(); void finishSplashScreen(); void slotFocus(); void slotBack(); void slotKillAllActions(); //void slotNext(); void slotEnter(); void slotFocusCommandLine(); void slotError(const QString& msg); void slotWindowActivated(QWidget* w); void slotWindowsMenuAboutToShow(); void slotWindowsMenuActivated(int); void slotTileHorizontal(); void slotTileVertical(); void slotPenChanged(RS_Pen p); /** generates a new document for a graphic. */ QC_MDIWindow* slotFileNew(RS_Document* doc=NULL); /** opens a document */ void slotFileOpen(); /** * opens a recent file document * @param id File Menu id of the file */ void slotFileOpenRecent(int id); /** * opens the given file. */ void slotFileOpen(const QString& fileName, RS2::FormatType type); /** saves a document */ void slotFileSave(); /** saves a document under a different filename*/ void slotFileSaveAs(); /** auto-save document */ void slotFileAutoSave(); /** exports the document as bitmap */ void slotFileExport(); bool slotFileExport(const QString& name, const QString& format, QSize size, bool black, bool bw=false); /** closes the current file */ void slotFileClose(); /** closing the current file */ void slotFileClosing(); /** prints the current file */ void slotFilePrint(); /** shows print preview of the current file */ void slotFilePrintPreview(bool on); /** exits the application */ void slotFileQuit(); /** toggle the grid */ void slotViewGrid(bool toggle); /** toggle the draft mode */ void slotViewDraft(bool toggle); /** toggle the statusbar */ void slotViewStatusBar(bool toggle); // void slotBlocksEdit(); void slotOptionsGeneral(); void slotScriptOpenIDE(); void slotScriptRun(); void slotRunStartScript(); void slotRunScript(); void slotRunScript(const QString& name); void slotInsertBlock(); void slotInsertBlock(const QString& name); /** shows an about dlg*/ void slotHelpAbout(); void slotHelpManual(); /** dumps entities to file */ void slotTestDumpEntities(RS_EntityContainer* d=NULL); /** dumps undo info to stdout */ void slotTestDumpUndo(); /** updates all inserts */ void slotTestUpdateInserts(); /** draws some random lines */ void slotTestDrawFreehand(); /** inserts a test block */ void slotTestInsertBlock(); /** inserts a test ellipse */ void slotTestInsertEllipse(); /** inserts a test text */ void slotTestInsertText(); /** inserts a test image */ void slotTestInsertImage(); /** unicode table */ void slotTestUnicode(); /** math experimental */ void slotTestMath01(); /** resizes window to 640x480 for screen shots */ void slotTestResize640(); /** resizes window to 640x480 for screen shots */ void slotTestResize800(); /** resizes window to 640x480 for screen shots */ void slotTestResize1024(); signals: void gridChanged(bool on); void draftChanged(bool on); void printPreviewChanged(bool on); void windowsChanged(bool windowsLeft); public: /** * @return Pointer to application window. */ static QC_ApplicationWindow* getAppWindow() { return appWindow; } /** * @return Pointer to workspace. */ QWorkspace* getWorkspace() { return workspace; } /** * @return Pointer to the currently active MDI Window or NULL if no * MDI Window is active. */ QC_MDIWindow* getMDIWindow() { if (workspace!=NULL) { return (QC_MDIWindow*)workspace->activeWindow(); } else { return NULL; } } /** * Implementation from RS_MainWindowInterface (and QS_ScripterHostInterface). * * @return Pointer to the graphic view of the currently active document * window or NULL if no window is available. */ virtual RS_GraphicView* getGraphicView() { QC_MDIWindow* m = getMDIWindow(); if (m!=NULL) { return m->getGraphicView(); } return NULL; } /** * Implementation from RS_MainWindowInterface (and QS_ScripterHostInterface). * * @return Pointer to the graphic document of the currently active document * window or NULL if no window is available. */ virtual RS_Document* getDocument() { QC_MDIWindow* m = getMDIWindow(); if (m!=NULL) { return m->getDocument(); } return NULL; } /** * Creates a new document. Implementation from RS_MainWindowInterface. */ virtual void createNewDocument( const QString& fileName = QString::null, RS_Document* doc=NULL) { slotFileNew(doc); if (fileName!=QString::null && getDocument()!=NULL) { getDocument()->setFilename(fileName); } } /** * Implementation from QG_MainWindowInterface. * * @return Pointer to this. */ virtual QMainWindow* getMainWindow() { return this; } /** * @return Pointer to action handler. Implementation from QG_MainWindowInterface. */ virtual QG_ActionHandler* getActionHandler() { return actionHandler; } //virtual QToolBar* createToolBar(const QString& name); //virtual void addToolBarButton(QToolBar* tb); /** * @return Pointer to the qsa object. */ #ifdef RS_SCRIPTING QSProject* getQSAProject() { if (scripter!=NULL) { return scripter->getQSAProject(); } else { return NULL; } } #endif void redrawAll(); void updateGrids(); /** * Implementation from QG_MainWindowInterface. */ virtual void setFocus2() { setFocus(); } /** Block list widget */ QG_BlockWidget* getBlockWidget(void) { return blockWidget; } protected: void closeEvent(QCloseEvent*); virtual void mouseReleaseEvent(QMouseEvent* e); private: /** Pointer to the application window (this). */ static QC_ApplicationWindow* appWindow; QTimer *autosaveTimer; /** Workspace for MDI */ QWorkspace* workspace; /** Dialog factory */ QC_DialogFactory* dialogFactory; /** Layer list widget */ QG_LayerWidget* layerWidget; /** Block list widget */ QG_BlockWidget* blockWidget; /** Library browser widget */ QG_LibraryWidget* libraryWidget; /** Layer list dock widget */ QDockWidget* layerDockWindow; /** Block list dock widget */ QDockWidget* blockDockWindow; /** Library list dock widget */ QDockWidget* libraryDockWindow; /** Command line */ QG_CommandWidget* commandWidget; QDockWidget* commandDockWindow; /** Coordinate widget */ QG_CoordinateWidget* coordinateWidget; /** Mouse widget */ QG_MouseWidget* mouseWidget; /** Selection Status */ QG_SelectionWidget* selectionWidget; /** Option widget for individual tool options */ QToolBar* optionWidget; /** Recent files list */ QG_RecentFiles* recentFiles; /** Action handler. */ QG_ActionHandler* actionHandler; #ifdef RS_SCRIPTING /** Scripting interface. */ QS_Scripter* scripter; #endif QMenu* fileMenu; QMenu* windowsMenu; QMenu* scriptMenu; QMenu* helpMenu; QMenu* testMenu; /** the main toolbars */ QToolBar* fileToolBar; QToolBar* editToolBar; QToolBar* zoomToolBar; // Toolbar for selecting the current pen QG_PenToolBar* penToolBar; // Toolbar for CAD tools QG_CadToolBar* cadToolBar; QHelpEngine* helpEngine; QDockWidget *helpWindow; QAction* scriptOpenIDE; QAction* scriptRun; QAction* helpAboutApp; QAction* helpManual; QAction *testDumpEntities; QAction *testDumpUndo; QAction *testUpdateInserts; QAction *testDrawFreehand; QAction *testInsertBlock; QAction *testInsertText; QAction *testInsertImage; QAction *testUnicode; QAction *testInsertEllipse; QAction *testMath01; QAction *testResize640; QAction *testResize800; QAction *testResize1024; //Plugin support private: void loadPlugins(); QMenu *findMenu(const QString &searchMenu, const QObjectList thisMenuList, const QString& currentEntry); QList<QC_PluginInterface*> loadedPlugins; public slots: void execPlug(); }; #endif 给出完整的代码注释
最新发布
07-04
我们被要求为QC_ApplicationWindow类的头文件添加详细注释。但用户并没有直接提供该类的头文件代码，而是提供了一些引用片段。不过，根据之前的对话，我们知道QC_ApplicationWindow是LibreCAD的主窗口类。由于用户...
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先定义两个view用于监听view的绘制流程：MyIncludeView1@SuppressLint("AppCompatCustomView") public class MyIncludeView1 extends TextView { public MyIncludeView1(Context context) { super(context); } pub
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weixin_34409822的博客
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视图对象是用来显示文档对象的内容，函数GetDocument()用于获取当前文档对象的指针m_pDocument.而函数OnDraw()是一个虚函数，负责文档对象的数据在用户视图区的显示输出。在向导生成的成员函数OnDraw()中调用了函数GetDocument().通过获取的文档类指针可以在视图中显示文档内容。 void CMysdiView::OnDraw(CDC*...
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花落孤独
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 error C2143: syntax error : missing ; before * error C2501: CTest1Doc : missing storage-class or type specifiers error C2501: GetDocument : missing storage-class or type specifiers遇到这种莫名的错误，最
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