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dix: split out core state and event state setting into helper functions 

no functional changes.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
This commit is contained in:
Peter Hutterer 2011-12-08 10:22:26 +10:00
parent fb010c5436
commit 1d01e861b6
3 changed files with 44 additions and 28 deletions
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31
Xi/exevents.c
View File

@ -915,7 +915,7 @@ ProcessOtherEvent(InternalEvent *ev, DeviceIntPtr device)
int key = 0, rootX, rootY;
ButtonClassPtr b;
int ret = 0;
int corestate, i;
int corestate;
DeviceIntPtr mouse = NULL, kbd = NULL;
DeviceEvent *event = &ev->device_event;
@ -945,33 +945,8 @@ ProcessOtherEvent(InternalEvent *ev, DeviceIntPtr device)
mouse = NULL;
}
/* core state needs to be assembled BEFORE the device is updated. */
corestate = (kbd && kbd->key) ? XkbStateFieldFromRec(&kbd->key->xkbInfo->state) : 0;
corestate |= (mouse && mouse->button) ? (mouse->button->state) : 0;
for (i = 0; mouse && mouse->button && i < mouse->button->numButtons; i++)
if (BitIsOn(mouse->button->down, i))
SetBit(event->buttons, i);
if (kbd && kbd->key)
{
XkbStatePtr state;
/* we need the state before the event happens */
if (event->type == ET_KeyPress || event->type == ET_KeyRelease)
state = &kbd->key->xkbInfo->prev_state;
else
state = &kbd->key->xkbInfo->state;
event->mods.base = state->base_mods;
event->mods.latched = state->latched_mods;
event->mods.locked = state->locked_mods;
event->mods.effective = state->mods;
event->group.base = state->base_group;
event->group.latched = state->latched_group;
event->group.locked = state->locked_group;
event->group.effective = state->group;
}
corestate = event_get_corestate(mouse, kbd);
event_set_state(mouse, kbd, event);
ret = UpdateDeviceState(device, event);
if (ret == DONT_PROCESS)

39
dix/inpututils.c
View File

@ -657,6 +657,45 @@ void init_device_event(DeviceEvent *event, DeviceIntPtr dev, Time ms)
event->sourceid = dev->id;
}
int event_get_corestate(DeviceIntPtr mouse, DeviceIntPtr kbd)
{
int corestate;
/* core state needs to be assembled BEFORE the device is updated. */
corestate = (kbd && kbd->key) ? XkbStateFieldFromRec(&kbd->key->xkbInfo->state) : 0;
corestate |= (mouse && mouse->button) ? (mouse->button->state) : 0;
return corestate;
}
void event_set_state(DeviceIntPtr mouse, DeviceIntPtr kbd, DeviceEvent *event)
{
int i;
for (i = 0; mouse && mouse->button && i < mouse->button->numButtons; i++)
if (BitIsOn(mouse->button->down, i))
SetBit(event->buttons, i);
if (kbd && kbd->key)
{
XkbStatePtr state;
/* we need the state before the event happens */
if (event->type == ET_KeyPress || event->type == ET_KeyRelease)
state = &kbd->key->xkbInfo->prev_state;
else
state = &kbd->key->xkbInfo->state;
event->mods.base = state->base_mods;
event->mods.latched = state->latched_mods;
event->mods.locked = state->locked_mods;
event->mods.effective = state->mods;
event->group.base = state->base_group;
event->group.latched = state->latched_group;
event->group.locked = state->locked_group;
event->group.effective = state->group;
}
}
Bool
point_on_screen(ScreenPtr pScreen, int x, int y)
{

2
include/inpututils.h
View File

@ -40,6 +40,8 @@ struct _ValuatorMask {
extern void verify_internal_event(const InternalEvent *ev);
extern void init_device_event(DeviceEvent *event, DeviceIntPtr dev, Time ms);
extern int event_get_corestate(DeviceIntPtr mouse, DeviceIntPtr kbd);
extern void event_set_state(DeviceIntPtr mouse, DeviceIntPtr kbd, DeviceEvent *event);
FP3232 double_to_fp3232(double in);
FP1616 double_to_fp1616(double in);