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STR #1748
| Application: | FLTK Library |
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| Status: | 1 - Closed w/Resolution |
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| Priority: | 4 - High, e.g. key functionality not working |
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| Scope: | 2 - Specific to an operating system |
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| Subsystem: | WIN32 |
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| Summary: | hide window bug -> max out CPU |
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| Version: | 1.1.7 |
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| Created By: | danh |
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| Assigned To: | mike |
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| Fix Version: | 1.1-current (SVN: v5984) |
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| Update Notification: | |
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Trouble Report Files:
No files
Trouble Report Comments:
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| #1 | danh
08:35 Jul 23, 2007 |
| On windows XP, this program will take all the CPU. The problem seems to hinge on hiding a Fl_Group with a window inside. The 'wait_for_expose' parameter gets set on the indirectly hidden window, but it never gets reset. This can get triggered from a resize of the group that contains the window. I tried 1.1.7, and also fltk-1.1.x-r5917.
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Group.H>
int main(int argc, char **argv)
{
Fl_Window window(220,220,"Hello");
Fl_Group* grp = new Fl_Group(0, 0, 110, 220);
Fl_Window testWindow(5,5,15,15);
testWindow.color(FL_BLUE);
testWindow.box(FL_DOWN_BOX);
grp->end();
Fl_Group grp2(110, 0, 110, 220);
grp2.color(FL_GREEN);
grp2.box(FL_DOWN_BOX);
grp2.end();
grp->color(FL_BLACK);
grp->box(FL_DOWN_BOX);
grp->end();
window.resizable(grp);
window.end();
window.show(argc,argv);
grp->hide();
return Fl::run();
} | |
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| #2 | mike
08:16 Nov 20, 2007 |
| Try changing line 1121 of Fl_win32.cxx to read:
if (visible_r()) {redraw(); i->wait_for_expose = 1;}
and let us know if that fixes the problem. | |
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| #3 | danh
08:30 Nov 20, 2007 |
| That fixed it! Thank you very much! | |
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| #4 | mike
09:01 Nov 20, 2007 |
| Fixed in Subversion repository. | |
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