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digitalmars.D.dwt - Help me on toolbar problem

reply Sam Hu <samhu.samhu gmail.com> writes:
Content-Type: text/plain

Hi there,

I am reading SWT: A Developer's Notebook and tried some code in the book,sure I
also tried to re-organize the structure and to see what happens.In the attached
simple code,the Option menu,Window menu and toobar item CHECK does not work
properly.When I click on it,the application quit immediatley.I don't know why.

Can anyboy help me?
Thanks and best Regards,
Sam
Aug 08 2008
parent Sam Hu <samhu.samhu gmail.com> writes:
Sam Hu Wrote:

 Hi there,
 
 I am reading SWT: A Developer's Notebook and tried some code in the book,sure
I also tried to re-organize the structure and to see what happens.In the
attached simple code,the Option menu,Window menu and toobar item CHECK does not
work properly.When I click on it,the application quit immediatley.I don't know
why.
 
 Can anyboy help me?
 Thanks and best Regards,
 Sam
 

/***************************************************/ module dwtEx01; import dwt.widgets.Widget; import dwt.widgets.Shell; import dwt.widgets.Display; import dwt.widgets.Menu; import dwt.widgets.MenuItem; import dwt.widgets.ToolBar; import dwt.widgets.ToolItem; import dwt.widgets.ToolTip; import dwt.graphics.Image; import dwt.widgets.Dialog; import dwt.widgets.MessageBox; import dwt.DWT; import dwt.events.SelectionEvent; import dwt.events.SelectionListener; import tango.io.Stdout; public class SubForm { this(Shell parent,int style) { Shell shell=new Shell(parent,style); shell.setText("Sub Form"); shell.setSize(300,300); shell.open; } } class MyDialog:Dialog { this(Shell parent) { super(parent); } void open() { Shell parent=getParent; Shell shell=new Shell(parent,DWT.DIALOG_TRIM|DWT.APPLICATION_MODAL); shell.setSize(150,80); shell.setText("Modal dialog"); Display display=parent.getDisplay; shell.open; while(!shell.isDisposed) { if(!display.readAndDispatch) display.sleep; } } } public class Form { private: Display display; Shell shell; Menu menu; ToolBar bar;; SubForm subForm; SubForm[] subFormArray; MyDialog myDialog; public: this() { initializeComponents; } void initializeComponents() { display=new Display; shell =new Shell(display); //Image img=new Image(display,r"C:\dmd\html\d\d002.ico"); shell.setSize(500,500); shell.setText("Example 01"); //shell.setImage(img); //ToolBar: bar=createToolBar; //main menu: menu=createMainMenu; shell.setMenuBar(menu); //add pop-up menu to the form: shell.setMenu(createPopMenu); //all done shell.open; /+ subFormArray= [ new SubForm(shell,DWT.DIALOG_TRIM), new SubForm(shell,DWT.SHELL_TRIM), new SubForm(shell,DWT.BORDER), new SubForm(shell,DWT.NO_TRIM)/*no close,no title,no min,no max*/ ]; MyDialog myDialog=new MyDialog(shell); myDialog.open; +/ while(!shell.isDisposed) { if(!display.readAndDispatch) display.sleep; } display.dispose; } private: Menu createMainMenu() { menu=new Menu(shell,DWT.BAR); //menu item File: final MenuItem file=new MenuItem(menu,DWT.CASCADE); file.setText("&File"); //File Menu: final Menu fileMenu=new Menu(shell,DWT.DROP_DOWN); file.setMenu(fileMenu); //menu item open: final MenuItem openItem=new MenuItem(fileMenu,DWT.CASCADE); openItem.setText("&Open"); //submenu attach to open menu: final Menu subMenu=new Menu(shell,DWT.DROP_DOWN); //subMenu content: final MenuItem childItem=new MenuItem(subMenu,DWT.PUSH); childItem.setText("Child"); childItem.setAccelerator(DWT.ALT+'C'); final MenuItem dialogItem=new MenuItem(subMenu,DWT.PUSH); dialogItem.setText("Dialog"); dialogItem.setAccelerator(DWT.CTRL+'D'); openItem.setMenu(subMenu); //menu item --: MenuItem separator=new MenuItem(fileMenu,DWT.SEPARATOR); //menu item exit: MenuItem exitItem=new MenuItem(fileMenu,DWT.PUSH); exitItem.setText("E&xit"); //Menu item Edit final MenuItem edit=new MenuItem(menu,DWT.CASCADE); edit.setText("Edit"); final Menu editMenu=new Menu(shell,DWT.DROP_DOWN); edit.setMenu(editMenu); final MenuItem cutItem=new MenuItem(editMenu,DWT.PUSH); cutItem.setText("Cut"); final MenuItem copyItem=new MenuItem(editMenu,DWT.PUSH); copyItem.setText("Copy"); final MenuItem pasteItem=new MenuItem(editMenu,DWT.PUSH); pasteItem.setText("Paste"); //check and radio button menu: final MenuItem options=new MenuItem(menu,DWT.CASCADE); options.setText("Options"); final Menu optionMenu=new Menu(shell,DWT.DROP_DOWN); final MenuItem checkItem=new MenuItem(optionMenu,DWT.CHECK); checkItem.setText("Checked Option"); checkItem.setAccelerator(DWT.CTRL+'C'); checkItem.setSelection(true); final MenuItem opionsSeparator=new MenuItem(optionMenu,DWT.SEPARATOR); final MenuItem radioItem1=new MenuItem(optionMenu,DWT.RADIO); radioItem1.setText("Radio One"); radioItem1.setAccelerator(DWT.ALT+'R'); final MenuItem radioItem2=new MenuItem(optionMenu,DWT.RADIO); radioItem2.setText("Radio Two"); radioItem2.setSelection(true); options.setMenu(optionMenu); //Window Menu: final MenuItem window=new MenuItem(menu,DWT.CASCADE); window.setText("&Window"); final Menu windowMenu=new Menu(shell,DWT.DROP_DOWN); window.setMenu(windowMenu); final MenuItem maxItem=new MenuItem(windowMenu,DWT.PUSH); maxItem.setText("Maximize"); final MenuItem minItem=new MenuItem(windowMenu,DWT.PUSH); minItem.setText("Minimize"); //help menu: final MenuItem help=new MenuItem(menu,DWT.CASCADE); help.setText("&Help"); final Menu helpMenu=new Menu(shell,DWT.DROP_DOWN); help.setMenu(helpMenu); final MenuItem aboutItem=new MenuItem(helpMenu,DWT.PUSH); aboutItem.setText("&About"); ////////////////////////////////////////////////////////////////////////////////// // Event Listener Here (Selection Listener) // ////////////////////////////////////////////////////////////////////////////////// /+ childItem.addSelectionListener(new class SelectionListener{ public void widgetSelected(SelectionEvent e) { Shell myParent=cast(Shell)childItem.getParent.getParent; subForm=new SubForm(myParent,DWT.DIALOG_TRIM); } public void widgetDefaultSelected(SelectionEvent e){/*leave empty */} }); +/ childItem.addSelectionListener(new openChildSelectionListener); dialogItem.addSelectionListener(new openDialogSelectionListener); checkItem.addSelectionListener(new checkMenuClickListener(checkItem)); radioItem1.addSelectionListener(new class SelectionListener{ public void widgetSelected(SelectionEvent e) { if(radioItem1.getSelection) { MessageBox.showInfo("RadioItem1 is selected.","HaHA"); } } public void widgetDefaultSelected(SelectionEvent e){} }); radioItem2.addSelectionListener(new class SelectionListener{ public void widgetSelected(SelectionEvent e) { if(radioItem2.getSelection) MessageBox.showInfo("RadioItem2 is selected.","HAHA"); } public void widgetDefaultSelected(SelectionEvent e){} }); minItem.addSelectionListener(new class SelectionListener{ public void widgetSelected(SelectionEvent e) { //Shell parent=cast(Shell)minItem.getParent.getParent; shell.setMinimized(true); } public void widgetDefaultSelected(SelectionEvent e){} }); maxItem.addSelectionListener(new class SelectionListener{ public void widgetSelected(SelectionEvent e) { //Shell parent=cast(Shell)maxItem.getParent.getParent; shell.setMaximized(true); } public void widgetDefaultSelected(SelectionEvent e){} }); return menu; } Menu createPopMenu() { final Menu popMenu=new Menu(shell,DWT.POP_UP); final MenuItem openChildItem=new MenuItem(popMenu,DWT.PUSH); openChildItem.setText("&Open child"); final MenuItem openDialogItem=new MenuItem(popMenu,DWT.PUSH); openDialogItem.setText("Open &dialog"); openChildItem.addSelectionListener(new openChildSelectionListener); openDialogItem.addSelectionListener(new openDialogSelectionListener); return popMenu; } ToolBar createToolBar() { final ToolBar bar =new ToolBar(shell,DWT.HORIZONTAL); bar.setSize(300,70); bar.setLocation(0,0); final ToolItem openChildItemBar=new ToolItem(bar,DWT.PUSH); //final Image image=new Image(display,r"C:\dmd\html\d\d002.ico"); //openChildItemBar.setImage(image ); openChildItemBar.setText("Child Window"); openChildItemBar.setToolTipText("This will open the child form"); openChildItemBar.addSelectionListener(new openChildSelectionListener); final ToolItem separatorBar1=new ToolItem(bar,DWT.SEPARATOR); final ToolItem openToolItem=new ToolItem(bar,DWT.CHECK); //openToolItem.setImage(new Image(display,r"C:\Program Files\Tencent\QQ\AirDLIcon\1381game.ico")); openToolItem.setText("Check Bar"); openToolItem.addSelectionListener(new checkMenuClickListener(openToolItem)); final ToolItem separatorBar2=new ToolItem(bar,DWT.SEPARATOR); final ToolItem radioBarItem1=new ToolItem(bar,DWT.RADIO); //radioBarItem1.setImage(new Image(display,r"C:\Program Files\Tencent\QQ\AirDLIcon\1381love.ico")); radioBarItem1.setText("Radio1"); final ToolItem radioBarItem2=new ToolItem(bar,DWT.RADIO); //radioBarItem2.setImage(new Image(display,r"C:\Program Files\Tencent\QQ\AirDLIcon\taotao.ico")); radioBarItem2.setText("Radio2"); return bar; } class openChildSelectionListener:SelectionListener { public void widgetSelected(SelectionEvent e) { //code here SubForm subForm=new SubForm(shell,DWT.SHELL_TRIM); } public void widgetDefaultSelected(SelectionEvent e) { //leave blank } } class openDialogSelectionListener:SelectionListener { public void widgetSelected(SelectionEvent e) { //code here Shell parent =cast(Shell)menu.getParent; //MessageBox.showInfo(parent==shell?"Yes":"No"); MyDialog myDialog=new MyDialog(parent); myDialog.open; } public void widgetDefaultSelected(SelectionEvent e) { //leave blank } } class checkMenuClickListener:SelectionListener { private: MenuItem item; ToolItem toolItem; public: this(MenuItem item) { this.item=item; } this(ToolItem toolItem) { this.toolItem=toolItem; } public void widgetSelected(SelectionEvent e) { if(item.getSelection||toolItem.getSelection) { MessageBox.showInfo("Checked","HAHA"); } else MessageBox.showInfo("Unchecked","HAHA"); } public void widgetDefaultSelected(SelectionEvent e) { //leave blank } } } int main(char[][] args) { scope Form form=new Form; return 0; } /**************************************************/
Aug 08 2008