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Support for mouse wheel over GPM

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GPM is awful, tho', and this is an ugly hack. Why can't it just report
buttons like everyone else?

Another nice thing is that we don't seem to get the wheel events more
frequently than once in a second or so. Therefore it will work properly
only when you scroll slooooowly. :^)
This commit is contained in:
Petr Baudis 2006-07-27 15:05:18 +02:00 committed by Petr Baudis
parent 85c9c54d00
commit 8627189148
1 changed files with 14 additions and 2 deletions
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16
src/osdep/unix/unix.c
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@ -17,6 +17,7 @@
#include "osdep/osdep.h"
#include "terminal/event.h"
#include "terminal/mouse.h"
#include "util/error.h"
#include "util/memory.h"
@ -43,6 +44,7 @@ gpm_mouse_in(struct gpm_mouse_spec *gms)
mouse.x = int_max(gev.x - 1, 0);
mouse.y = int_max(gev.y - 1, 0);
Gpm_DrawPointer(gev.x, gev.y, 1);
if (gev.buttons & GPM_B_LEFT)
mouse.button = B_LEFT;
@ -50,6 +52,12 @@ gpm_mouse_in(struct gpm_mouse_spec *gms)
mouse.button = B_MIDDLE;
else if (gev.buttons & GPM_B_RIGHT)
mouse.button = B_RIGHT;
/* Somehow, we don't get those events more frequently than every
* second or so. Duh. Well, gpm. */
else if (gev.wdy < 0)
mouse.button = B_WHEEL_DOWN;
else if (gev.wdy > 0)
mouse.button = B_WHEEL_UP;
else
return;
@ -59,6 +67,8 @@ gpm_mouse_in(struct gpm_mouse_spec *gms)
mouse.button |= B_UP;
else if (gev.type & GPM_DRAG)
mouse.button |= B_DRAG;
else if (gev.wdy != 0)
mouse.button |= B_DOWN;
else
return;
@ -71,10 +81,12 @@ init_mouse(int cons, int suspend)
{
Gpm_Connect conn;
conn.eventMask = suspend ? 0 : ~GPM_MOVE;
conn.defaultMask = suspend ? ~0 : GPM_MOVE;
/* We want to get even move events because of the wheels. */
conn.eventMask = suspend ? 0 : ~0;
conn.defaultMask = suspend ? ~0 : 0;
conn.minMod = suspend ? ~0 : 0;
conn.maxMod = suspend ? ~0 : 0;
gpm_visiblepointer = 1;
return Gpm_Open(&conn, cons);
}