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[Marcelo Garbato]

Hi,,
I am leraning FOX, and I have one problem with this source code(I had put "onCmdMove" function), that causes one error when I quit the program. Someone could help me?

#include "main_fox_app.h"
#include "signal.h"

// Message Map for the Main Window class
FXDEFMAP(MainWindow) MainWindowMap[] = {
  //________Message_Type_____________ID_____________Message_Handler_______
  FXMAPFUNC(SEL_SIGNAL,    MainWindow::ID_QUIT,     MainWindow::onCmdQuit),
  FXMAPFUNC(SEL_COMMAND,   MainWindow::ID_QUIT,     MainWindow::onCmdQuit),
  FXMAPFUNC(SEL_COMMAND,   MainWindow::ID_MOVE,     MainWindow::onCmdMove),  
  FXMAPFUNC(SEL_COMMAND,   MainWindow::ID_ABOUT,    MainWindow::onCmdAbout),
  FXMAPFUNC(SEL_KEYPRESS,  0,    MainWindow::onKeyPress),
};

// Macro for the MainWindow class hierarchy implementation
FXIMPLEMENT(MainWindow, FXMainWindow, MainWindowMap, ARRAYNUMBER(MainWindowMap))

// MainWindow constructor
MainWindow::MainWindow(FXApp *app)
    : FXMainWindow(app, PROJECT_NAME, 0, 0, DECOR_ALL, 0, 0, 700, 500)
//    : FXMainWindow(app, PROJECT_NAME, 0, 0, DECOR_NONE , 300, 450, 800, 600) // without title bar
{
        // Load the application icons.
//     FXXPMIcon *bigicon, *smallicon;
// bigicon = new FXXPMIcon(getApp(), app_xpm);
//   smallicon = new FXXPMIcon(getApp(), app_small_xpm);
//   setIcon(bigicon);
//     setMiniIcon(smallicon);

        FXMenuBar *menubar;

        FXToolBarShell *dragshell1 = new FXToolBarShell(this, FRAME_RAISED);
        menubar = new FXMenuBar(this, dragshell1, FRAME_RAISED|LAYOUT_SIDE_TOP|LAYOUT_FILL_X);
        new FXToolBarGrip(menubar, menubar, FXMenuBar::ID_TOOLBARGRIP);

        FXStatusBar *statusbar;
//       statusbar = new FXStatusBar(this, LAYOUT_SIDE_BOTTOM|LAYOUT_FILL_X|STATUSBAR_WITH_DRAGCORNER|FRAME_RAISED);
        statusbar = new FXStatusBar(this, LAYOUT_SIDE_BOTTOM|LAYOUT_FILL_X|FRAME_RAISED);      

        filemenu = new FXMenuPane(this);
        new FXMenuCommand(filemenu, "&Quit\tAlt-F4\tClose this program.", 0, this, ID_QUIT);
       
        movemenu = new FXMenuPane(this);
        new FXMenuCommand(movemenu, "&Move\tAlt-F5\tmove the window.", 0, this, ID_MOVE);

        helpmenu = new FXMenuPane(this);
        new FXMenuCommand(helpmenu, "&About...\t\tShow information about " PROJECT_NAME ".", 0, this, ID_ABOUT);

        new FXMenuTitle(menubar, "&File", 0, filemenu);
        new FXMenuTitle(menubar, "&Move", 0, movemenu);        
        new FXMenuTitle(menubar, "&About", 0, helpmenu);
}

// MainWindow destructor
MainWindow::~MainWindow()
{
        // Delete all menu panes
        delete filemenu;
        delete helpmenu;
}

// Create MainWindow and initialize
void MainWindow::create()
{
  FXMainWindow::create();
}

// Create MainWindow and initialize
long MainWindow::onCmdMove(FXObject *, FXSelector, void *)
{
  FXMainWindow::move(35,50);
        return 1;
}

// Quit command called
long MainWindow::onCmdQuit(FXObject *, FXSelector, void *)
{
        getApp()->exit(0);
  return 1;
}

// About command called
long MainWindow::onCmdAbout(FXObject *, FXSelector, void *)
{
        FXDialogBox about(this, "About " PROJECT_NAME, DECOR_TITLE|DECOR_BORDER,
  0,0,0,0, 0,0,0,0, 0,0);

  FXVerticalFrame *contents =
        new FXVerticalFrame(&about, LAYOUT_SIDE_LEFT|LAYOUT_FILL_X|LAYOUT_FILL_Y,
        0,0,0,0, 10,10,10,10, 0,0);
        new FXLabel(contents,
            PROJECT_NAME " Version " PROJECT_VERSION ".\n\n"
            PROJECT_COPYWRITE "\n\n"
        "This software uses the FOX Toolkit Library (http://www.fox-toolkit.org).\n",
      0, JUSTIFY_LEFT|LAYOUT_FILL_X|LAYOUT_FILL_Y);

        FXButton *button = new FXButton(contents, "OK", 0, &about,
                FXDialogBox::ID_ACCEPT, BUTTON_INITIAL|BUTTON_DEFAULT|FRAME_RAISED|FRAME_THICK|LAYOUT_CENTER_X,
          0,0,0,0, 32,32,5,5);

        button->setFocus();
        about.execute(PLACEMENT_OWNER);
        FXMainWindow::move(10,20);  // posiciona a tela na coordenada coluna,linha

        return 1;
}

int main(int argc, char **argv)
{
        FXApp app(PROJECT_NAME, PROJECT_COMPANY);
        app.init(argc, argv);

        MainWindow *w = new MainWindow(&app);
        app.addSignal(SIGINT, w, MainWindow::ID_QUIT);
        app.create();
        w->show(PLACEMENT_CURSOR);
        w->setFocus();

        return app.run();
}


#ifndef MAIN_FOX_APP_H
#define MAIN_FOX_APP_H

#include <fx.h>

#define PROJECT_NAME "Template FOX Application"
#define PROJECT_VERSION "0.1"
#define PROJECT_COMPANY "Foobar Corporation"
#define PROJECT_COPYWRITE "Copyright © 2005, Foobar Corporation, All Rights Reserved."

// The MainWindow class
class MainWindow: public FXMainWindow
{
    FXDECLARE(MainWindow)

        FXMenuPane *filemenu, *helpmenu, *movemenu;

protected:
        MainWindow() {}

public:
        MainWindow(FXApp *app);
        ~MainWindow();

  virtual void create();

    enum
    {
        ID_QUIT = FXMainWindow::ID_LAST,
        ID_ABOUT,
        ID_MOVE,
        ID_LAST

    };

    long onCmdAbout (FXObject *, FXSelector, void *);
    long onCmdQuit (FXObject *, FXSelector, void *);
    long onCmdMove          (FXObject *, FXSelector, void *);
};


#endif // MAIN_FOX_APP_H






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[Jeroen van der Zijp]

On Tuesday 13 March 2007 19:50, Marcelo Garbato wrote:

> Hi,,
> I am leraning FOX, and I have one problem with this source code(I had put "onCmdMove" function), that causes one error when I quit the program. Someone could help me?
>
> #include "main_fox_app.h"
> #include "signal.h"
>
> // Message Map for the Main Window class
> FXDEFMAP(MainWindow) MainWindowMap[] = {
>   //________Message_Type_____________ID_____________Message_Handler_______
>   FXMAPFUNC(SEL_SIGNAL,    MainWindow::ID_QUIT,     MainWindow::onCmdQuit),
>   FXMAPFUNC(SEL_COMMAND,   MainWindow::ID_QUIT,     MainWindow::onCmdQuit),
>   FXMAPFUNC(SEL_COMMAND,   MainWindow::ID_MOVE,     MainWindow::onCmdMove),  
>   FXMAPFUNC(SEL_COMMAND,   MainWindow::ID_ABOUT,    MainWindow::onCmdAbout),
>   FXMAPFUNC(SEL_KEYPRESS,  0,    MainWindow::onKeyPress),
> };
>
> // Macro for the MainWindow class hierarchy implementation
> FXIMPLEMENT(MainWindow, FXMainWindow, MainWindowMap, ARRAYNUMBER(MainWindowMap))
>
> // MainWindow constructor
> MainWindow::MainWindow(FXApp *app)
>     : FXMainWindow(app, PROJECT_NAME, 0, 0, DECOR_ALL, 0, 0, 700, 500)
> //    : FXMainWindow(app, PROJECT_NAME, 0, 0, DECOR_NONE , 300, 450, 800, 600) // without title bar
> {
> // Load the application icons.
> //     FXXPMIcon *bigicon, *smallicon;
> // bigicon = new FXXPMIcon(getApp(), app_xpm);
> //   smallicon = new FXXPMIcon(getApp(), app_small_xpm);
> //   setIcon(bigicon);
> //     setMiniIcon(smallicon);
>
>         FXMenuBar *menubar;
>
>         FXToolBarShell *dragshell1 = new FXToolBarShell(this, FRAME_RAISED);
>         menubar = new FXMenuBar(this, dragshell1, FRAME_RAISED|LAYOUT_SIDE_TOP|LAYOUT_FILL_X);
>         new FXToolBarGrip(menubar, menubar, FXMenuBar::ID_TOOLBARGRIP);
>
>         FXStatusBar *statusbar;
> //       statusbar = new FXStatusBar(this, LAYOUT_SIDE_BOTTOM|LAYOUT_FILL_X|STATUSBAR_WITH_DRAGCORNER|FRAME_RAISED);
>         statusbar = new FXStatusBar(this, LAYOUT_SIDE_BOTTOM|LAYOUT_FILL_X|FRAME_RAISED);      
>
>         filemenu = new FXMenuPane(this);
>         new FXMenuCommand(filemenu, "&Quit\tAlt-F4\tClose this program.", 0, this, ID_QUIT);
>        
>         movemenu = new FXMenuPane(this);
>         new FXMenuCommand(movemenu, "&Move\tAlt-F5\tmove the window.", 0, this, ID_MOVE);
>
>         helpmenu = new FXMenuPane(this);
>         new FXMenuCommand(helpmenu, "&About...\t\tShow information about " PROJECT_NAME ".", 0, this, ID_ABOUT);
>
>         new FXMenuTitle(menubar, "&File", 0, filemenu);
>         new FXMenuTitle(menubar, "&Move", 0, movemenu);        
>         new FXMenuTitle(menubar, "&About", 0, helpmenu);
> }
>
> // MainWindow destructor
> MainWindow::~MainWindow()
> {
> // Delete all menu panes
> delete filemenu;
> delete helpmenu;
> }
>
> // Create MainWindow and initialize
> void MainWindow::create()
> {
>   FXMainWindow::create();
> }
>
> // Create MainWindow and initialize
> long MainWindow::onCmdMove(FXObject *, FXSelector, void *)
> {
>   FXMainWindow::move(35,50);
> return 1;
> }
>
> // Quit command called
> long MainWindow::onCmdQuit(FXObject *, FXSelector, void *)
> {
> getApp()->exit(0);
>   return 1;
> }
>
> // About command called
> long MainWindow::onCmdAbout(FXObject *, FXSelector, void *)
> {
> FXDialogBox about(this, "About " PROJECT_NAME, DECOR_TITLE|DECOR_BORDER,
>   0,0,0,0, 0,0,0,0, 0,0);
>
>   FXVerticalFrame *contents =
>         new FXVerticalFrame(&about, LAYOUT_SIDE_LEFT|LAYOUT_FILL_X|LAYOUT_FILL_Y,
>         0,0,0,0, 10,10,10,10, 0,0);
>         new FXLabel(contents,
>             PROJECT_NAME " Version " PROJECT_VERSION ".\n\n"
>             PROJECT_COPYWRITE "\n\n"
>         "This software uses the FOX Toolkit Library (http://www.fox-toolkit.org).\n",
>       0, JUSTIFY_LEFT|LAYOUT_FILL_X|LAYOUT_FILL_Y);
>
>         FXButton *button = new FXButton(contents, "OK", 0, &about,
>        FXDialogBox::ID_ACCEPT, BUTTON_INITIAL|BUTTON_DEFAULT|FRAME_RAISED|FRAME_THICK|LAYOUT_CENTER_X,
>           0,0,0,0, 32,32,5,5);
>
>         button->setFocus();
>         about.execute(PLACEMENT_OWNER);
>         FXMainWindow::move(10,20);  // posiciona a tela na coordenada coluna,linha
>
> return 1;
> }
>
> int main(int argc, char **argv)
> {
>         FXApp app(PROJECT_NAME, PROJECT_COMPANY);
>         app.init(argc, argv);
>
>         MainWindow *w = new MainWindow(&app);
>         app.addSignal(SIGINT, w, MainWindow::ID_QUIT);
>         app.create();
>         w->show(PLACEMENT_CURSOR);
>         w->setFocus();
>
>         return app.run();
> }
>
>
> #ifndef MAIN_FOX_APP_H
> #define MAIN_FOX_APP_H
>
> #include <fx.h>
>
> #define PROJECT_NAME "Template FOX Application"
> #define PROJECT_VERSION "0.1"
> #define PROJECT_COMPANY "Foobar Corporation"
> #define PROJECT_COPYWRITE "Copyright © 2005, Foobar Corporation, All Rights Reserved."
>
> // The MainWindow class
> class MainWindow: public FXMainWindow
> {
>     FXDECLARE(MainWindow)
>
>         FXMenuPane *filemenu, *helpmenu, *movemenu;
>
> protected:
> MainWindow() {}
>
> public:
> MainWindow(FXApp *app);
> ~MainWindow();
>
>   virtual void create();
>
>     enum
>     {
>         ID_QUIT = FXMainWindow::ID_LAST,
>         ID_ABOUT,
>         ID_MOVE,
>         ID_LAST
>
>     };
>
>     long onCmdAbout (FXObject *, FXSelector, void *);
>     long onCmdQuit (FXObject *, FXSelector, void *);
>     long onCmdMove          (FXObject *, FXSelector, void *);
> };
>
>
> #endif // MAIN_FOX_APP_H

Looks to me that you forgot to delete one of the menus.

Recommendation:- install valgrind on your machine [if you're on Linux],
it will save you from lots of debugging and worries.  If you're on
Windows, I recommend purify or boundschecker or any similar tool

If you don't have these tools, keep in mind FOX may have tracing enabled
when you've compiled it in debug mode.  Passing -tracelevel XX on the
command line of any FOX application will cause lots of logging info
to be written, the higher the level XX, the more you will see [all
FOX library trace info is at level 100 or higher so as to allow this
tracing mechanism to be used in your own programs as well].


                - Jeroen


--
+----------------------------------------------------------------------------+
| Copyright (C) 23:10 03/13/2007 Jeroen van der Zijp.   All Rights Reserved. |
+----------------------------------------------------------------------------+

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