SWT implements the right-click menu Function

The right-click menu code is similar to other menu codes, but different SWT styles are provided during initialization.

 

Import Org. eclipse. SWT. SWT; <br/> Import Org. eclipse. SWT. events. selectionevent; <br/> Import Org. eclipse. SWT. events. selectionlistener; <br/> Import Org. eclipse. SWT. graphics. image; <br/> Import Org. eclipse. SWT. widgets. display; <br/> Import Org. eclipse. SWT. widgets. menu; <br/> Import Org. eclipse. SWT. widgets. menuitem; <br/> Import Org. eclipse. SWT. widgets. shell; <br/> public class menutest {<br/> static display Display = New Display (); <br/> static shell = new shell (Display); <br/>/* <br/> * Create a multilevel Menu Using SWT. the cascade style value can be added to the sub menu, using SWT. the push style value cannot be added to the sub-menu <br/> */<br/> Public static void createmenu () {<br/> shell. setsize (500,500); <br/> shell. settext ("menu test window"); <br/> // shell. setimage (new image (display, "images/home.png"); <br/> // use Shell objects and SWT. bar style value to create a menu bar <br/> menu = new menu (shell, SWT. bar); <Br/> // create a file menu based on the menu bar <br/> menuitem file = new menuitem (menu, SWT. cascade); <br/> file. settext ("& file"); <br/> // create a drop-down box in shell, then add the drop-down box to the File menu <br/> menu filemenu = new menu (shell, SWT. drop_down); <br/> file. setmenu (filemenu); <br/> // create a menu item open in the drop-down box <br/> final menuitem openitem = new menuitem (filemenu, SWT. cascade); <br/> openitem. settext ("& Open"); <br/> // create a drop-down box in shell and add it to the Open menu. <br/> Menu childmenu = new menu (shell, SWT. drop_down); <br/> openitem. setmenu (childmenu); <br/> // create a sub-menu child on the Open menu <br/> final menuitem childitem = new menuitem (childmenu, SWT. push); <br/> childitem. settext ("& Child"); <br/> // create a submenu dialog on the Open menu <br/> final menuitem dialogitem = new menuitem (childmenu, SWT. push); <br/> dialogitem. settext ("& dialog"); <br/> // create a separator between menu items <br/> New menuitem (filemenu, SWT. Separator); <br/> // create a menu item exit in the drop-down box <br/> menuitem exititem = new menuitem (filemenu, SWT. push); <br/> exititem. settext ("& Exit"); <br/> // set the edit menu <br/> menuitem edit = new menuitem (menu, SWT. cascade); <br/> edit. settext ("& edit"); <br/> menu editmenu = new menu (shell, SWT. drop_down); <br/> edit. setmenu (editmenu); <br/> menuitem cutitem = new menuitem (editmenu, SWT. push); <br/> cutitem. settext ("& cut/tctrl + x "); <Br/> // set the shortcut key <br/> cutitem. setaccelerator (SWT. CTRL + 'X'); <br/> // create a separator between menu items <br/> New menuitem (editmenu, SWT. separator); <br/> menuitem copyitem = new menuitem (editmenu, SWT. push); <br/> copyitem. settext ("& copy/tctrl + C"); <br/> // set the shortcut key <br/> copyitem. setaccelerator (SWT. CTRL + 'C'); <br/> // create a separator between menu items <br/> New menuitem (editmenu, SWT. separator); <br/> menuitem pasteitem = new menuitem (editmen U, SWT. push); <br/> pasteitem. settext ("& Paste/tctrl + V"); <br/> // set the shortcut key <br/> pasteitem. setaccelerator (SWT. CTRL + 'V'); <br/> // set the Window Menu <br/> menuitem window = new menuitem (menu, SWT. cascade); <br/> window. settext ("& window"); <br/> menu windowmenu = new menu (shell, SWT. drop_down); <br/> window. setmenu (windowmenu); <br/> final menuitem maxitem = new menuitem (windowmenu, SWT. push); <br/> maxitem. settext (" & MAX "); <br/> // create a separator between menu items <br/> New menuitem (windowmenu, SWT. separator); <br/> menuitem minitem = new menuitem (windowmenu, SWT. push); <br/> minitem. settext ("& min"); <br/> // set the Help menu <br/> menuitem help = new menuitem (menu, SWT. cascade); <br/> help. settext ("& Help"); <br/> menu helpmenu = new menu (shell, SWT. drop_down); <br/> help. setmenu (helpmenu); <br/> menuitem aboutitem = new menuitem (helpmenu, SWT. Push); <br/> aboutitem. settext ("& about"); <br/> // Add an option menu for adding a single choice menu and a check menu <br/> menuitem option = new menuitem (menu, SWT. cascade); <br/> option. settext ("& option"); <br/> menu optionmenu = new menu (shell, SWT. drop_down); <br/> option. setmenu (optionmenu); <br/> menuitem checkitem1 = new menuitem (optionmenu, SWT. check); <br/> checkitem1.settext ("check1"); <br/> menuitem checkitem2 = new menuitem (optionmen U, SWT. check); <br/> checkitem2.settext ("check2"); <br/> // The default value is selected. <br/> checkitem2.setselection (true ); <br/> // set the delimiter <br/> New menuitem (optionmenu, SWT. separator); <br/> menuitem radioitem1 = new menuitem (optionmenu, SWT. radio); <br/> radioitem1.settext ("radio1"); <br/> // The default value is <br/> radioitem1.setselection (true ); <br/> menuitem radioitem2 = new menuitem (optionmenu, SWT. radio); <br/> radioitem2.settext ("Radio2"); <br/> // Add an event to the menu <br/> childitem. addselectionlistener (New selectionlistener () {<br/> @ override <br/> Public void widgetselected (selectionevent arg0) {<br/> // todo auto-generated method stub <br/> shell parent = (Shell) maxitem. getparent (). getparent () <br/>. getparent (); <br/> shell child = new shell (parent, SWT. resize | SWT. max); <br/> child. settext ("Child item has been clicked"); <br/> CH ILD. setimage (new image (display, "images/alert.png"); <br/> child. setsize (400,100); <br/> child. open (); <br/>}< br/> @ override <br/> Public void widgetdefadefaselected (selectionevent arg0) {<br/> // todo auto-generated method stub <br/>}< br/> }); <br/> // Add the menu bar to shell <br/> shell. setmenubar (menu); <br/> // right-click the menu and choose <br/> shell. setmenu (createeditpopup (); <br/> shell. open (); <br/> while (! Shell. isdisposed () {<br/> If (display. readanddispatch () {<br/> display. sleep (); <br/>}< br/> display. dispose (); <br/>}< br/>/* <br/> * Create a shortcut menu using the style value SWT. pop_up to create a shortcut menu <br/> */<br/> Public static menu createeditpopup () {<br/> menu popmenu = new menu (shell, SWT. pop_up); <br/> menuitem cutitem = new menuitem (popmenu, SWT. push); <br/> cutitem. settext ("& cut"); <br/> menuitem copyitem = new menuitem (popmenu, SWT. push); <br/> copyitem. settext ("& copy"); <br/> menuitem pasteitem = new menuitem (popmenu, SWT. push); <br/> pasteitem. settext ("& Paste"); <br/> cutitem. addselectionlistener (New selectionlistener () {<br/> @ override <br/> Public void widgetselected (selectionevent arg0) {<br/> // todo auto-generated method stub <br/> system. out. println ("cut"); <br/>}< br/> @ override <br/> Public void widgetdefaselecselected (selectionevent arg0) {<br/> // todo auto-generated method stub <br/>}< br/>}); <br/> pasteitem. addselectionlistener (New selectionlistener () {<br/> @ override <br/> Public void widgetselected (selectionevent arg0) {<br/> // todo auto-generated method stub <br/> system. out. println ("Paste"); <br/>}< br/> @ override <br/> Public void widgetdefaselecselected (selectionevent arg0) {<br/> // todo auto-generated method stub <br/>}< br/>}); <br/> copyitem. addselectionlistener (New selectionlistener () {<br/> @ override <br/> Public void widgetselected (selectionevent arg0) {<br/> // todo auto-generated method stub <br/> system. out. println ("copy"); <br/>}< br/> @ override <br/> Public void widgetdefaselecselected (selectionevent arg0) {<br/> // todo auto-generated method stub <br/>}< br/>}); <br/> return popmenu; <br/>}< br/> Public static void main (string [] ARGs) {<br/> menutest. createmenu (); <br/>}< br/> the code forgets who obtained the blog...