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#include <glib.h>
#include <stdlib.h>
#include "config.h"
#ifdef HAVE_API_WIN32_BASE
#include <windows.h>
#endif
#ifndef _MSC_VER
#include <sys/time.h>
#endif /* _MSC_VER */
#include "color.h"
#include "coord.h"
#include "point.h"
#include "callback.h"
#include "graphics.h"
#include "debug.h"
#include "navit.h"
#include "types.h"
#include "navit_nls.h"
#include "event.h"
#include "search.h"
#include "country.h"
#include "track.h"
#include "gui_internal.h"
#include "gui_internal_widget.h"
#include "gui_internal_priv.h"
#include "gui_internal_html.h"
#include "gui_internal_menu.h"
#include "gui_internal_gesture.h"
void
gui_internal_gesture_ring_clear(struct gui_priv *this)
{
this->gesture_ring_last=this->gesture_ring_first=0;
};
static struct gesture_elem *
gui_internal_gesture_ring_get(struct gui_priv *this, int i)
{
int n=(this->gesture_ring_last-i+GESTURE_RINGSIZE)%GESTURE_RINGSIZE;
if(n==this->gesture_ring_first)
return NULL;
return this->gesture_ring+n;
};
void
gui_internal_gesture_ring_add(struct gui_priv *this, struct point *p)
{
long long msec;
#ifndef HAVE_API_WIN32_CE
struct timeval tv;
gettimeofday(&tv,NULL);
msec=((long long)tv.tv_sec)*1000+tv.tv_usec/1000;
#else
msec=GetTickCount();
#endif
this->gesture_ring_last++;
this->gesture_ring_last%=GESTURE_RINGSIZE;
if(this->gesture_ring_last==this->gesture_ring_first) {
this->gesture_ring_first++;
this->gesture_ring_first%=GESTURE_RINGSIZE;
}
this->gesture_ring[this->gesture_ring_last].p=*p;
this->gesture_ring[this->gesture_ring_last].msec=msec;
dbg(lvl_info,"msec="LONGLONG_FMT" x=%d y=%d\n",msec,p->x,p->y);
};
int
gui_internal_gesture_get_vector(struct gui_priv *this, long long msec, struct point *p0, int *dx, int *dy)
{
struct gesture_elem *g;
int x,y,dt;
int i;
dt=0;
if(dx) *dx=0;
if(dy) *dy=0;
if(p0) {
p0->x=-1;
p0->y=-1;
}
g=gui_internal_gesture_ring_get(this,0);
if(!g)
return 0;
x=g->p.x;
y=g->p.y;
if(p0) {
*p0=g->p;
}
msec=g->msec;
dbg(lvl_info,LONGLONG_FMT" %d %d\n",g->msec, g->p.x, g->p.y);
for(i=1;(g=gui_internal_gesture_ring_get(this,i))!=NULL;i++) {
if( msec-g->msec > 1000 )
break;
dt=msec-g->msec;
if(dx) *dx=x-g->p.x;
if(dy) *dy=y-g->p.y;
if(p0) {
*p0=g->p;
}
dbg(lvl_info,LONGLONG_FMT" %d %d\n",g->msec, g->p.x, g->p.y);
}
return dt;
}
int
gui_internal_gesture_do(struct gui_priv *this)
{
int dt;
int dx,dy;
dt=gui_internal_gesture_get_vector(this, 1000, NULL, &dx, &dy);
if( abs(dx) > this->icon_s*3 && abs(dy) < this->icon_s ) {
struct widget *wt;
dbg(lvl_debug,"horizontal dx=%d dy=%d\n",dx,dy);
/* Prevent swiping if widget was scrolled beforehand */
if(this->pressed==2)
return 0;
for(wt=this->highlighted;wt && wt->type!=widget_table;wt=wt->parent);
if(!wt || wt->type!=widget_table || !wt->data)
return 0;
if(this->highlighted) {
this->highlighted->state &= ~STATE_HIGHLIGHTED;
this->highlighted=NULL;
}
if(dx<0)
gui_internal_table_button_next(this,NULL,wt);
else
gui_internal_table_button_prev(this,NULL,wt);
return 1;
} else if( abs(dy) > this->icon_s*3 && abs(dx) < this->icon_s ) {
dbg(lvl_debug,"vertical dx=%d dy=%d\n",dx,dy);
} else if (dt>300 && abs(dx) <this->icon_s && abs(dy) <this->icon_s ) {
dbg(lvl_debug,"longtap dx=%d dy=%d\n",dx,dy);
} else {
dbg(lvl_debug,"none dx=%d dy=%d\n",dx,dy);
}
return 0;
};
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