static int
hscrollarea_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
int hscroll;
int hpos;
int newpos;
int ret = 0;
if (cbi->event->type != NSFB_EVENT_KEY_DOWN) {
/* end all drags, just in case */
if (fbtk_set_handler(widget, FBTK_CBT_POINTERMOVE, NULL, NULL) != NULL)
fbtk_tgrab_pointer(widget);
return 0;
}
if ((widget->u.scroll.maximum - widget->u.scroll.minimum) > 0) {
hscroll = ((widget->width - 4) * widget->u.scroll.thumb) /
(widget->u.scroll.maximum - widget->u.scroll.minimum) ;
hpos = ((widget->width - 4) * widget->u.scroll.position) /
(widget->u.scroll.maximum - widget->u.scroll.minimum) ;
} else {
hscroll = (widget->width - 4);
hpos = 0;
}
if (cbi->x < hpos) {
/* left of bar */
newpos = widget->u.scroll.position - widget->u.scroll.page;
if (newpos < widget->u.scroll.minimum)
newpos = widget->u.scroll.minimum;
ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLX, newpos);
} else if (cbi->x > (hpos + hscroll)) {
/* right of bar */
newpos = widget->u.scroll.position + widget->u.scroll.page;
if (newpos > widget->u.scroll.maximum)
newpos = widget->u.scroll.maximum;
ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLX, newpos);
} else {
/* on bar - start drag */
widget->u.scroll.drag = cbi->x;
widget->u.scroll.drag_position = hpos;
fbtk_set_handler(widget, FBTK_CBT_POINTERMOVE, hscroll_drag, widget);
fbtk_tgrab_pointer(widget);
}
return ret;
}
/* called back when movement in browser window */
static int
fb_browser_window_move(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
browser_mouse_state mouse = 0;
struct gui_window *gw = cbi->context;
struct browser_widget_s *bwidget = fbtk_get_userpw(widget);
float scale = browser_window_get_scale(gw->bw);
int x = (cbi->x + bwidget->scrollx) / scale;
int y = (cbi->y + bwidget->scrolly) / scale;
if (gui_drag.state == GUI_DRAG_PRESSED &&
(abs(x - gui_drag.x) > 5 ||
abs(y - gui_drag.y) > 5)) {
/* Drag started */
if (gui_drag.button == 1) {
browser_window_mouse_click(gw->bw,
BROWSER_MOUSE_DRAG_1,
gui_drag.x, gui_drag.y);
} else {
browser_window_mouse_click(gw->bw,
BROWSER_MOUSE_DRAG_2,
gui_drag.x, gui_drag.y);
}
gui_drag.grabbed_pointer = fbtk_tgrab_pointer(widget);
gui_drag.state = GUI_DRAG_DRAG;
}
if (gui_drag.state == GUI_DRAG_DRAG) {
/* set up mouse state */
mouse |= BROWSER_MOUSE_DRAG_ON;
if (gui_drag.button == 1)
mouse |= BROWSER_MOUSE_HOLDING_1;
else
mouse |= BROWSER_MOUSE_HOLDING_2;
}
browser_window_mouse_track(gw->bw, mouse, x, y);
return 0;
}
/* called back when click in browser window */
static int
fb_browser_window_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
struct gui_window *gw = cbi->context;
struct browser_widget_s *bwidget = fbtk_get_userpw(widget);
browser_mouse_state mouse;
float scale = browser_window_get_scale(gw->bw);
int x = (cbi->x + bwidget->scrollx) / scale;
int y = (cbi->y + bwidget->scrolly) / scale;
unsigned int time_now;
static struct {
enum { CLICK_SINGLE, CLICK_DOUBLE, CLICK_TRIPLE } type;
unsigned int time;
} last_click;
if (cbi->event->type != NSFB_EVENT_KEY_DOWN &&
cbi->event->type != NSFB_EVENT_KEY_UP)
return 0;
LOG(("browser window clicked at %d,%d", cbi->x, cbi->y));
switch (cbi->event->type) {
case NSFB_EVENT_KEY_DOWN:
switch (cbi->event->value.keycode) {
case NSFB_KEY_MOUSE_1:
browser_window_mouse_click(gw->bw,
BROWSER_MOUSE_PRESS_1, x, y);
gui_drag.state = GUI_DRAG_PRESSED;
gui_drag.button = 1;
gui_drag.x = x;
gui_drag.y = y;
break;
#if 0
case NSFB_KEY_MOUSE_3:
browser_window_mouse_click(gw->bw,
BROWSER_MOUSE_PRESS_2, x, y);
gui_drag.state = GUI_DRAG_PRESSED;
gui_drag.button = 2;
gui_drag.x = x;
gui_drag.y = y;
break;
#else
case NSFB_KEY_MOUSE_2:
/* scroll right */
if (browser_window_scroll_at_point(gw->bw, x, y,
100, 0) == false)
widget_scroll_x(gw, 100, false);
break;
case NSFB_KEY_MOUSE_3:
/* scroll left */
if (browser_window_scroll_at_point(gw->bw, x, y,
-100, 0) == false)
widget_scroll_x(gw, -100, false);
break;
#endif
case NSFB_KEY_MOUSE_4:
/* scroll up */
if (browser_window_scroll_at_point(gw->bw, x, y,
0, -100) == false) {
widget_scroll_y(gw, -100, false);
}
break;
case NSFB_KEY_MOUSE_5:
/* scroll down */
if (browser_window_scroll_at_point(gw->bw, x, y,
0, 100) == false) {
widget_scroll_y(gw, 100, false);
}
break;
default:
break;
}
break;
case NSFB_EVENT_KEY_UP:
mouse = 0;
time_now = wallclock();
switch (cbi->event->value.keycode) {
case NSFB_KEY_MOUSE_1:
if (gui_drag.state == GUI_DRAG_DRAG) {
/* End of a drag, rather than click */
if (gui_drag.grabbed_pointer) {
/* need to ungrab pointer */
fbtk_tgrab_pointer(widget);
gui_drag.grabbed_pointer = false;
}
gui_drag.state = GUI_DRAG_NONE;
/* Tell core */
browser_window_mouse_track(gw->bw, 0, x, y);
break;
}
/* This is a click;
* clear PRESSED state and pass to core */
gui_drag.state = GUI_DRAG_NONE;
mouse = BROWSER_MOUSE_CLICK_1;
break;
#if 0
case NSFB_KEY_MOUSE_3:
if (gui_drag.state == GUI_DRAG_DRAG) {
/* End of a drag, rather than click */
gui_drag.state = GUI_DRAG_NONE;
if (gui_drag.grabbed_pointer) {
/* need to ungrab pointer */
fbtk_tgrab_pointer(widget);
gui_drag.grabbed_pointer = false;
}
/* Tell core */
browser_window_mouse_track(gw->bw, 0, x, y);
break;
}
/* This is a click;
* clear PRESSED state and pass to core */
gui_drag.state = GUI_DRAG_NONE;
mouse = BROWSER_MOUSE_CLICK_2;
break;
#endif
default:
break;
}
/* Determine if it's a double or triple click, allowing
* 0.5 seconds (50cs) between clicks */
if (time_now < last_click.time + 50 &&
cbi->event->value.keycode != NSFB_KEY_MOUSE_4 &&
cbi->event->value.keycode != NSFB_KEY_MOUSE_5) {
if (last_click.type == CLICK_SINGLE) {
/* Set double click */
mouse |= BROWSER_MOUSE_DOUBLE_CLICK;
last_click.type = CLICK_DOUBLE;
} else if (last_click.type == CLICK_DOUBLE) {
/* Set triple click */
mouse |= BROWSER_MOUSE_TRIPLE_CLICK;
last_click.type = CLICK_TRIPLE;
} else {
/* Set normal click */
last_click.type = CLICK_SINGLE;
}
} else {
last_click.type = CLICK_SINGLE;
}
if (mouse)
browser_window_mouse_click(gw->bw, mouse, x, y);
last_click.time = time_now;
break;
default:
break;
}
return 1;
}
static int
vscrollarea_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
int vscroll;
int vpos;
int newpos;
int ret = 0;
if (cbi->event->type != NSFB_EVENT_KEY_DOWN) {
/* end all drags, just in case */
if (fbtk_set_handler(widget, FBTK_CBT_POINTERMOVE, NULL, NULL) != NULL)
fbtk_tgrab_pointer(widget);
return 0;
}
switch (cbi->event->value.keycode) {
case NSFB_KEY_MOUSE_4:
/* scroll up */
newpos = widget->u.scroll.position - widget->u.scroll.page;
if (newpos < widget->u.scroll.minimum)
newpos = widget->u.scroll.minimum;
ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLY, newpos);
break;
case NSFB_KEY_MOUSE_5:
/* scroll down */
newpos = widget->u.scroll.position + widget->u.scroll.page;
if (newpos > widget->u.scroll.maximum)
newpos = widget->u.scroll.maximum;
ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLY, newpos);
break;
default:
if ((widget->u.scroll.maximum - widget->u.scroll.minimum) > 0) {
vscroll = ((widget->height - 4) * widget->u.scroll.thumb) /
(widget->u.scroll.maximum - widget->u.scroll.minimum) ;
vpos = ((widget->height - 4) * widget->u.scroll.position) /
(widget->u.scroll.maximum - widget->u.scroll.minimum) ;
} else {
vscroll = (widget->height - 4);
vpos = 0;
}
if (cbi->y < vpos) {
/* above bar */
newpos = widget->u.scroll.position - widget->u.scroll.thumb;
if (newpos < widget->u.scroll.minimum)
newpos = widget->u.scroll.minimum;
ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLY, newpos);
} else if (cbi->y > (vpos + vscroll)) {
/* below bar */
newpos = widget->u.scroll.position + widget->u.scroll.thumb;
if (newpos > widget->u.scroll.maximum)
newpos = widget->u.scroll.maximum;
ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLY, newpos);
} else {
/* on bar - start drag */
widget->u.scroll.drag = cbi->y;
widget->u.scroll.drag_position = vpos;
fbtk_set_handler(widget, FBTK_CBT_POINTERMOVE, vscroll_drag, widget);
fbtk_tgrab_pointer(widget);
}
}
return ret;
}
/* called back when click in browser window */
static int
fb_browser_window_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
struct gui_window *gw = cbi->context;
struct browser_widget_s *bwidget = fbtk_get_userpw(widget);
float scale = gw->bw->scale;
int x = (cbi->x + bwidget->scrollx) / scale;
int y = (cbi->y + bwidget->scrolly) / scale;
if (cbi->event->type != NSFB_EVENT_KEY_DOWN &&
cbi->event->type != NSFB_EVENT_KEY_UP)
return 0;
LOG(("browser window clicked at %d,%d", cbi->x, cbi->y));
switch (cbi->event->type) {
case NSFB_EVENT_KEY_DOWN:
switch (cbi->event->value.keycode) {
case NSFB_KEY_MOUSE_1:
browser_window_mouse_click(gw->bw,
BROWSER_MOUSE_PRESS_1, x, y);
gui_drag.state = GUI_DRAG_PRESSED;
gui_drag.button = 1;
gui_drag.x = x;
gui_drag.y = y;
break;
case NSFB_KEY_MOUSE_3:
browser_window_mouse_click(gw->bw,
BROWSER_MOUSE_PRESS_2, x, y);
gui_drag.state = GUI_DRAG_PRESSED;
gui_drag.button = 2;
gui_drag.x = x;
gui_drag.y = y;
break;
case NSFB_KEY_MOUSE_4:
/* scroll up */
if (browser_window_scroll_at_point(gw->bw, x, y,
0, -100) == false)
widget_scroll_y(gw, -100, false);
break;
case NSFB_KEY_MOUSE_5:
/* scroll down */
if (browser_window_scroll_at_point(gw->bw, x, y,
0, 100) == false)
widget_scroll_y(gw, 100, false);
break;
default:
break;
}
break;
case NSFB_EVENT_KEY_UP:
switch (cbi->event->value.keycode) {
case NSFB_KEY_MOUSE_1:
if (gui_drag.state == GUI_DRAG_DRAG) {
/* End of a drag, rather than click */
if (gui_drag.grabbed_pointer) {
/* need to ungrab pointer */
fbtk_tgrab_pointer(widget);
gui_drag.grabbed_pointer = false;
}
gui_drag.state = GUI_DRAG_NONE;
/* Tell core */
browser_window_mouse_track(gw->bw, 0, x, y);
break;
}
/* This is a click;
* clear PRESSED state and pass to core */
gui_drag.state = GUI_DRAG_NONE;
browser_window_mouse_click(gw->bw,
BROWSER_MOUSE_CLICK_1, x, y);
break;
case NSFB_KEY_MOUSE_3:
if (gui_drag.state == GUI_DRAG_DRAG) {
/* End of a drag, rather than click */
gui_drag.state = GUI_DRAG_NONE;
if (gui_drag.grabbed_pointer) {
/* need to ungrab pointer */
fbtk_tgrab_pointer(widget);
gui_drag.grabbed_pointer = false;
}
/* Tell core */
browser_window_mouse_track(gw->bw, 0, x, y);
break;
}
/* This is a click;
* clear PRESSED state and pass to core */
gui_drag.state = GUI_DRAG_NONE;
browser_window_mouse_click(gw->bw,
BROWSER_MOUSE_CLICK_2, x, y);
break;
default:
break;
}
break;
default:
break;
}
return 1;
}
