static void
gui_window_update_box(struct gui_window *g, const struct rect *rect)
{
struct browser_widget_s *bwidget = fbtk_get_userpw(g->browser);
fb_queue_redraw(g->browser,
rect->x0 - bwidget->scrollx,
rect->y0 - bwidget->scrolly,
rect->x1 - bwidget->scrollx,
rect->y1 - bwidget->scrolly);
}
static void
gui_window_remove_caret_cb(fbtk_widget_t *widget)
{
struct browser_widget_s *bwidget = fbtk_get_userpw(widget);
int c_x, c_y, c_h;
if (fbtk_get_caret(widget, &c_x, &c_y, &c_h)) {
/* browser window already had caret:
* redraw its area to remove it first */
fb_queue_redraw(widget,
c_x - bwidget->scrollx,
c_y - bwidget->scrolly,
c_x + 1 - bwidget->scrollx,
c_y + c_h - bwidget->scrolly);
}
}
void
gui_window_place_caret(struct gui_window *g, int x, int y, int height)
{
struct browser_widget_s *bwidget = fbtk_get_userpw(g->browser);
/* set new pos */
fbtk_set_caret(g->browser, true, x, y, height,
gui_window_remove_caret_cb);
/* redraw new caret pos */
fb_queue_redraw(g->browser,
x - bwidget->scrollx,
y - bwidget->scrolly,
x + 1 - bwidget->scrollx,
y + height - bwidget->scrolly);
}
static void
fb_pan(fbtk_widget_t *widget,
struct browser_widget_s *bwidget,
struct browser_window *bw)
{
int x;
int y;
int width;
int height;
nsfb_bbox_t srcbox;
nsfb_bbox_t dstbox;
nsfb_t *nsfb = fbtk_get_nsfb(widget);
height = fbtk_get_height(widget);
width = fbtk_get_width(widget);
LOG(("panning %d, %d", bwidget->panx, bwidget->pany));
x = fbtk_get_absx(widget);
y = fbtk_get_absy(widget);
/* if the pan exceeds the viewport size just redraw the whole area */
if (bwidget->pany >= height || bwidget->pany <= -height ||
bwidget->panx >= width || bwidget->panx <= -width) {
bwidget->scrolly += bwidget->pany;
bwidget->scrollx += bwidget->panx;
fb_queue_redraw(widget, 0, 0, width, height);
/* ensure we don't try to scroll again */
bwidget->panx = 0;
bwidget->pany = 0;
bwidget->pan_required = false;
return;
}
if (bwidget->pany < 0) {
/* pan up by less then viewport height */
srcbox.x0 = x;
srcbox.y0 = y;
srcbox.x1 = srcbox.x0 + width;
srcbox.y1 = srcbox.y0 + height + bwidget->pany;
dstbox.x0 = x;
dstbox.y0 = y - bwidget->pany;
dstbox.x1 = dstbox.x0 + width;
dstbox.y1 = dstbox.y0 + height + bwidget->pany;
/* move part that remains visible up */
nsfb_plot_copy(nsfb, &srcbox, nsfb, &dstbox);
/* redraw newly exposed area */
bwidget->scrolly += bwidget->pany;
fb_queue_redraw(widget, 0, 0, width, - bwidget->pany);
} else if (bwidget->pany > 0) {
/* pan down by less then viewport height */
srcbox.x0 = x;
srcbox.y0 = y + bwidget->pany;
srcbox.x1 = srcbox.x0 + width;
srcbox.y1 = srcbox.y0 + height - bwidget->pany;
dstbox.x0 = x;
dstbox.y0 = y;
dstbox.x1 = dstbox.x0 + width;
dstbox.y1 = dstbox.y0 + height - bwidget->pany;
/* move part that remains visible down */
nsfb_plot_copy(nsfb, &srcbox, nsfb, &dstbox);
/* redraw newly exposed area */
bwidget->scrolly += bwidget->pany;
fb_queue_redraw(widget, 0, height - bwidget->pany,
width, height);
}
if (bwidget->panx < 0) {
/* pan left by less then viewport width */
srcbox.x0 = x;
srcbox.y0 = y;
srcbox.x1 = srcbox.x0 + width + bwidget->panx;
srcbox.y1 = srcbox.y0 + height;
dstbox.x0 = x - bwidget->panx;
dstbox.y0 = y;
dstbox.x1 = dstbox.x0 + width + bwidget->panx;
dstbox.y1 = dstbox.y0 + height;
/* move part that remains visible left */
nsfb_plot_copy(nsfb, &srcbox, nsfb, &dstbox);
/* redraw newly exposed area */
bwidget->scrollx += bwidget->panx;
fb_queue_redraw(widget, 0, 0, -bwidget->panx, height);
} else if (bwidget->panx > 0) {
/* pan right by less then viewport width */
srcbox.x0 = x + bwidget->panx;
srcbox.y0 = y;
srcbox.x1 = srcbox.x0 + width - bwidget->panx;
srcbox.y1 = srcbox.y0 + height;
dstbox.x0 = x;
dstbox.y0 = y;
dstbox.x1 = dstbox.x0 + width - bwidget->panx;
dstbox.y1 = dstbox.y0 + height;
/* move part that remains visible right */
nsfb_plot_copy(nsfb, &srcbox, nsfb, &dstbox);
/* redraw newly exposed area */
bwidget->scrollx += bwidget->panx;
fb_queue_redraw(widget, width - bwidget->panx, 0,
width, height);
}
bwidget->pan_required = false;
bwidget->panx = 0;
bwidget->pany = 0;
}
static void
gui_window_redraw_window(struct gui_window *g)
{
fb_queue_redraw(g->browser, 0, 0, fbtk_get_width(g->browser), fbtk_get_height(g->browser) );
}
