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STR #1844
| Application: | FLTK Library |
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| Status: | 1 - Closed w/Resolution |
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| Priority: | 2 - Low, e.g. a documentation error or undocumented side-effect |
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| Scope: | 3 - Applies to all machines and operating systems |
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| Subsystem: | Core Library |
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| Summary: | fltk1.1.x: Add a clip() method to Fl_Group |
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| Version: | 1.1-current |
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| Created By: | greg.ercolano |
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| Assigned To: | mike |
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| Fix Version: | 1.1-current (SVN: v5994) |
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| Update Notification: | |
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Trouble Report Files:
Trouble Report Comments:
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| #1 | greg.ercolano
08:22 Dec 12, 2007 |
| Regarding the "Re: Make child widget doesn't erase borders ?"
thread on fltk.general (ending 12/08/2007), it was determined that it's pretty hard to make a group clip its children.
Seems it would help folks if Fl_Group had an easy way for to let the user easily turn on clipping for the group's children.
Might be useful if Fl_Group had two new methods:
clip(flag): enable/disable clipping. If enabled, by default
it would clip to the widget's own xywh, so a group could
be a child of a window, and children would clip within that
region.
clip(x,y,w,h): set the actual clip region for drawing
children, so it can be smaller than xywh. If set, it would
enable an fl_push/pop_clip around the draw_children() call.
Mike's comments on fltk.development were:
"This should be pretty straight forward." | |
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| #2 | mike
08:44 Dec 15, 2007 |
| Fixed in Subversion repository.
Only a clip on/off method was implemented, as an X,Y,W,H method would not be binary-compatible.
That said, subclasses can do:
fl_push_clip(X,Y,W,H);
draw_children();
fl_pop_clip();
when they need different kinds of clipping. | |
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