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 | svoid componentPopupMenu(final JComponent component, fO menuMaker) {
|
16 | if (component == null || menuMaker == null) ret; |
17 | swing {
|
18 | O adapter = componentPopupMenu_initForComponent(component); |
19 | ((L) _get(adapter, 'maker)).add(menuMaker); |
20 | } |
21 | } |
22 | |
23 | sO componentPopupMenu_initForComponent(final JComponent component) {
|
24 | ret component == null ? null : swing(func {
|
25 | componentPopupMenu_init(); |
26 | O adapter = findComponentPopupMenuListener_gen(component); |
27 | if (adapter == null) {
|
28 | new componentPopupMenu_Adapter a; |
29 | //addMouseListener_inFront(component, a); |
30 | component.addMouseListener(a); |
31 | adapter = a; |
32 | } |
33 | ret adapter; |
34 | }); |
35 | } |
36 | |
37 | sclass componentPopupMenu_Adapter extends MouseAdapter {
|
38 | new L maker; |
39 | bool internalFrameLeftButtonMagic; |
40 | bool allowScrolling = true; |
41 | |
42 | Point pressedAt; |
43 | |
44 | public void mousePressed(MouseEvent e) {
|
45 | displayMenu(e); |
46 | pressedAt = internalFrameLeftButtonMagic && e.getClickCount() == 1 && internalFrameActive(e.getComponent()) ? e.getLocationOnScreen() : null; |
47 | } |
48 | |
49 | public void mouseReleased(MouseEvent e) {
|
50 | // TODO: show a little less often on left mouse click |
51 | if (internalFrameLeftButtonMagic && eq(pressedAt, e.getLocationOnScreen())) |
52 | displayMenu2(e); |
53 | else |
54 | displayMenu(e); |
55 | } |
56 | |
57 | void displayMenu(MouseEvent e) {
|
58 | if (e.getSource() instanceof JInternalFrame) ret; |
59 | if (e.isPopupTrigger()) displayMenu2(e); |
60 | } |
61 | |
62 | void populate(JPopupMenu menu, MouseEvent e) {
|
63 | temp tempSetTL(mouseEvent, e); |
64 | for (O menuMaker : maker) |
65 | pcallF(menuMaker, menu); |
66 | vmBus_send('showingPopupMenu, e.getComponent(), menu);
|
67 | } |
68 | |
69 | void displayMenu2(MouseEvent e) {
|
70 | new JPopupMenu menu; |
71 | int emptyCount = menu.getComponentCount(); |
72 | populate(menu, e); |
73 | if (menu.getComponentCount() == emptyCount) |
74 | ret; |
75 | |
76 | if (allowScrolling) {
|
77 | menu = new JPopupMenu; |
78 | JMenuScroller scroller = JMenuScroller.setScrollerFor(menu); |
79 | scroller.fillMenu = voidfunc(JPopupMenu m) { populate(m, e) };
|
80 | } |
81 | |
82 | menu.show(e.getComponent(), e.getX(), e.getY()); |
83 | } |
84 | } |
85 | |
86 | end scope |
Began life as a copy of #1005719
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| Snippet ID: | #1034571 |
| Snippet name: | componentPopupMenu - backup |
| Eternal ID of this version: | #1034571/1 |
| Text MD5: | 7f1ef023c2ea42d4bb97dc64aa9d0f14 |
| Author: | stefan |
| Category: | javax / gui |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2022-02-16 01:37:08 |
| Source code size: | 2563 bytes / 86 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 131 / 142 |
| Referenced in: | [show references] |