1 | scope componentPopupMenu. |
2 | |
3 | static ThreadLocal<MouseEvent> #mouseEvent; |
4 | |
5 | svoid componentPopupMenu_init {
|
6 | swing {
|
7 | if (mouseEvent == null) |
8 | mouseEvent = (ThreadLocal<MouseEvent>) vm_generalMap_get('mouseEvent);
|
9 | if (mouseEvent == null) |
10 | vm_generalMap_put(componentPopupMenu_mouseEvent := mouseEvent = new ThreadLocal); |
11 | } |
12 | } |
13 | |
14 | // menuMaker = voidfunc(JPopupMenu) |
15 | static void componentPopupMenu(final JComponent component, fO menuMaker) {
|
16 | componentPopupMenu_init(); |
17 | if (component != null && menuMaker != null) swing {
|
18 | O adapter = findComponentPopupMenuListener_gen(component); |
19 | if (adapter == null) |
20 | component.addMouseListener(adapter = new componentPopupMenu_Adapter); |
21 | } |
22 | ((L) get(adapter, 'maker)).add(menuMaker); |
23 | } |
24 | } |
25 | |
26 | sclass componentPopupMenu_Adapter extends MouseAdapter {
|
27 | new L maker; // list of "menu makers" that fill the menu (IVF1<JPopupMenu>) |
28 | |
29 | public void mousePressed(MouseEvent e) { displayMenu(e); }
|
30 | public void mouseReleased(MouseEvent e) { displayMenu(e); }
|
31 | |
32 | void displayMenu(MouseEvent e) {
|
33 | if (e.getSource() instanceof JInternalFrame) ret; |
34 | if (e.isPopupTrigger()) displayMenu2(e); |
35 | } |
36 | |
37 | void displayMenu2(MouseEvent e) {
|
38 | new JPopupMenu menu; |
39 | int emptyCount = menu.getComponentCount(); |
40 | |
41 | temp tempSetTL(mouseEvent, e); |
42 | for (O menuMaker : maker) |
43 | pcallF(menuMaker, menu); |
44 | |
45 | vmBus_send('showingPopupMenu, e.getComponent(), menu);
|
46 | |
47 | // show menu if any items in it |
48 | if (menu.getComponentCount() != emptyCount) |
49 | menu.show(e.getComponent(), e.getX(), e.getY()); |
50 | } |
51 | } |
52 | |
53 | end scope |
Began life as a copy of #1005719
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| Snippet ID: | #1021794 |
| Snippet name: | componentPopupMenu - adds to the popup menu of any JComponent - v2 without the weak map |
| Eternal ID of this version: | #1021794/3 |
| Text MD5: | 7f6a653c3ec24e2c592f5b34db1e1abb |
| Author: | stefan |
| Category: | javax / gui |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2021-08-14 00:54:59 |
| Source code size: | 1652 bytes / 53 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 264 / 300 |
| Version history: | 2 change(s) |
| Referenced in: | [show references] |