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1 | // also works when using centering of the component, |
2 | // e.g. through jscroll_center_borderless |
3 | svoid onEnclosingScrollPaneResize(JComponent c, Runnable r) {
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4 | new OnEnclosingScrollPaneResize(c, r).install(); |
5 | } |
6 | |
7 | srecord noeq OnEnclosingScrollPaneResize(JComponent c, Runnable r) {
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8 | settable bool debug; |
9 | ComponentAdapter listener; |
10 | JViewport viewport; |
11 | |
12 | void install {
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13 | if (r == null) ret; |
14 | bindToComponent(c, -> {
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15 | viewport = optCast JViewport(getParent(getParent(c))); |
16 | if (viewport != null) {
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17 | listener = new ComponentAdapter {
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18 | public void componentResized(ComponentEvent e) {
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19 | if (debug) print("Viewport resized");
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20 | pcallF(r); |
21 | } |
22 | }; |
23 | viewport.addComponentListener(listener); |
24 | if (debug) print("OnEnclosingScrollPaneResize installed");
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25 | } |
26 | }, -> {
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27 | if (listener != null && viewport != null) {
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28 | viewport.removeComponentListener(listener); |
29 | if (debug) print("OnEnclosingScrollPaneResize removed");
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30 | } |
31 | }); |
32 | } |
33 | } |
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| Snippet ID: | #1035775 |
| Snippet name: | onEnclosingScrollPaneResize |
| Eternal ID of this version: | #1035775/9 |
| Text MD5: | 48b82767f32d21051b724de869c139b0 |
| Transpilation MD5: | 57a6e6d73d7c154f3cb3354e584ef2f9 |
| Author: | stefan |
| Category: | javax / gui |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2022-07-23 22:47:04 |
| Source code size: | 1074 bytes / 33 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 79 / 147 |
| Version history: | 8 change(s) |
| Referenced in: | [show references] |