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Re: [XForms] New prerelease xforms-1.0.94pre13
From: |
Paul |
Subject: |
Re: [XForms] New prerelease xforms-1.0.94pre13 |
Date: |
Tue, 25 Dec 2012 17:46:39 +0000 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.28) Gecko/20120313 Thunderbird/3.1.20 |
Jens wrote:
> I'll take a look at it shortly...
I find more problems with further testing, affecting
scrollbars and labelframes. Sometimes after calling
fl_set_object_geometry() they are not redrawn properly.
For example, sometimes a scrollbar is redrawn without
arrows, but they appear on mouse-over. Other times the
scrollbar is not redrawn at all. Sometimes the scrollbar
is redrawn twice with the correct one overlapping a
slightly displaced false one.
All these problem go away if I comment-out the freeze/unfreeze
from my application.
Following code demos a case where the scrollbar is not
redrawn at all after a fl_set_object_geometry().
#include <stdio.h>
#include <forms.h>
int main( int argc, char *argv[])
{
fl_initialize( &argc, argv, "xftest", 0, 0);
FL_FORM *form = fl_bgn_form( FL_NO_BOX, 400, 300);
fl_add_box( FL_UP_BOX, 0, 0, 400, 300, "");
FL_OBJECT *sb =
fl_add_scrollbar( FL_HOR_SCROLLBAR, 5, 100, 200, 15, "" );
fl_set_object_boxtype( sb, FL_UP_BOX);
fl_end_form();
fl_show_form( form, FL_PLACE_FREE, FL_FULLBORDER, "xftest");
XSync( fl_get_display(), 0);
printf( "scrollbar displayed\n");
printf( "paused, press ENTER to continue\n");
getchar();
// Now resize and move the scrollbar
fl_freeze_form( form);
fl_set_object_geometry( sb, 10, 150, 250, 15);
fl_unfreeze_form( form);
XSync( fl_get_display(), 0);
// With 94pre12 and pre13, scrollbar is not redrawn at all
// Works fine with pre11
printf( "scrollbar resized and moved\n");
printf( "paused, press ENTER to continue\n");
getchar();
return 0;
}
Try the above with pre11 and it works ok, but with pre13 the
scrollbar does not move.
I have to conclude that there is something deeper wrong with
the redraw() after a freeze/unfreeze. All problems occurred
with the changes 94pre11 to 94pre12. My fix to the canvas
object only hid the problem for that particular object.
--
Paul Nicholson
--
- [XForms] New prerelease xforms-1.0.94pre13, Jens Thoms Toerring, 2012/12/08
- [XForms] New prerelease xforms-1.0.94pre13, R P Herrold, 2012/12/10
- Re: [XForms] New prerelease xforms-1.0.94pre13, Jens Thoms Toerring, 2012/12/19
- Re: [XForms] New prerelease xforms-1.0.94pre13, Serge Bromow, 2012/12/19
- Re: [XForms] New prerelease xforms-1.0.94pre13, Jens Thoms Toerring, 2012/12/19
- Re: [XForms] New prerelease xforms-1.0.94pre13, Paul, 2012/12/24
- Re: [XForms] New prerelease xforms-1.0.94pre13, Paul, 2012/12/25
- Re: [XForms] New prerelease xforms-1.0.94pre13, Paul, 2012/12/25
- Re: [XForms] New prerelease xforms-1.0.94pre13, Jens Thoms Toerring, 2012/12/25
- Re: [XForms] New prerelease xforms-1.0.94pre13,
Paul <=
- Re: [XForms] New prerelease xforms-1.0.94pre13, Jens Thoms Toerring, 2012/12/25