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dtfile: Add scroll wheel support

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This patch was manually added via a diff supplied from a user on the
CDE mailing list: Michele Ghisolfo <ghisolfo.m@gmail.com>
This commit is contained in:
Jon Trulson 2019-10-14 14:34:56 -06:00
parent fd3cffcb37
commit 1972d3e378
1 changed files with 9 additions and 2 deletions
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11
cde/programs/dtfile/IconWindow.c
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@ -300,7 +300,6 @@ FileWindowInputCallback(
Modifiers modif; Modifiers modif;
int offset; int offset;
Boolean found; Boolean found;
/* Do nothing if a Button 2 drag is already ramping up */ /* Do nothing if a Button 2 drag is already ramping up */
if (B2DragPossible) if (B2DragPossible)
return; return;
@ -835,7 +834,15 @@ FileWindowInputCallback(
} }
else else
{ {
event = (XButtonPressedEvent *)new_event; event = (XButtonPressedEvent *)new_event; /* %%% */
if(event->button == Button4 || event->button == Button5) {
String p = event->button == Button4 ? "up" : "down";
String q = event->button == Button4 ? "IncrementUpOrLeft" : "IncrementDownOrRight";
if( VerticalScrollbarIsVisible(
file_mgr_rec->vertical_scroll_bar,
file_mgr_rec->scroll_window))
XtCallActionProc( file_mgr_rec->vertical_scroll_bar, q, new_event, &p, 1 );
}
if(event->button != Button1) if(event->button != Button1)
return; return;
} }