Avoid instance of using bw->current_content outside desktop/.

svn path=/trunk/netsurf/; revision=12690
This commit is contained in:
Michael Drake 2011-08-31 17:53:40 +00:00
parent 5af7a9c03c
commit 6e3e168d08
4 changed files with 72 additions and 70 deletions

View File

@ -784,7 +784,7 @@ bool box_nearest_text_box(struct box *box, int bx, int by,
* the mouse pointer, or nearest in the given direction if the pointer is
* not over a text box.
*
* \param h html content's high level cache handle
* \param html an HTML content
* \param x coordinate of mouse
* \param y coordinate of mouse
* \param dir direction to search (-1 = above-left, +1 = below-right)
@ -792,47 +792,51 @@ bool box_nearest_text_box(struct box *box, int bx, int by,
* \param dy receives y ordinate of mouse relative to text box
*/
struct box *box_pick_text_box(hlcache_handle *h,
struct box *box_pick_text_box(struct html_content *html,
int x, int y, int dir, int *dx, int *dy)
{
struct box *text_box = NULL;
struct box *box;
int nr_xd, nr_yd;
int bx, by;
int fx, fy;
int tx, ty;
if (h != NULL && content_get_type(h) == CONTENT_HTML) {
struct box *box = html_get_box_tree(h);
int nr_xd, nr_yd;
int bx = box->margin[LEFT];
int by = box->margin[TOP];
int fx = bx;
int fy = by;
int tx, ty;
if (html == NULL)
return NULL;
if (!box_nearest_text_box(box, bx, by, fx, fy, x, y,
dir, &text_box, &tx, &ty, &nr_xd, &nr_yd)) {
if (text_box && text_box->text && !text_box->object) {
int w = (text_box->padding[LEFT] +
text_box->width +
text_box->padding[RIGHT]);
int h = (text_box->padding[TOP] +
text_box->height +
text_box->padding[BOTTOM]);
int x1, y1;
box = html->layout;
bx = box->margin[LEFT];
by = box->margin[TOP];
fx = bx;
fy = by;
y1 = ty + h;
x1 = tx + w;
if (!box_nearest_text_box(box, bx, by, fx, fy, x, y,
dir, &text_box, &tx, &ty, &nr_xd, &nr_yd)) {
if (text_box && text_box->text && !text_box->object) {
int w = (text_box->padding[LEFT] +
text_box->width +
text_box->padding[RIGHT]);
int h = (text_box->padding[TOP] +
text_box->height +
text_box->padding[BOTTOM]);
int x1, y1;
/* ensure point lies within the text box */
if (x < tx) x = tx;
if (y < ty) y = ty;
if (y > y1) y = y1;
if (x > x1) x = x1;
}
y1 = ty + h;
x1 = tx + w;
/* ensure point lies within the text box */
if (x < tx) x = tx;
if (y < ty) y = ty;
if (y > y1) y = y1;
if (x > x1) x = x1;
}
/* return coordinates relative to box */
*dx = x - tx;
*dy = y - ty;
}
/* return coordinates relative to box */
*dx = x - tx;
*dy = y - ty;
return text_box;
}

View File

@ -324,7 +324,7 @@ struct box *box_at_point(struct box *box, const int x, const int y,
int *box_x, int *box_y, struct hlcache_handle **content);
struct box *box_object_at_point(struct hlcache_handle *h, int x, int y);
struct box *box_href_at_point(struct hlcache_handle *h, int x, int y);
struct box *box_pick_text_box(struct hlcache_handle *h,
struct box *box_pick_text_box(struct html_content *html,
int x, int y, int dir, int *dx, int *dy);
struct box *box_find_by_id(struct box *box, const char *id);
bool box_visible(struct box *box);

View File

@ -148,8 +148,6 @@ void html_redraw_a_box(struct hlcache_handle *h, struct box *box);
void html_overflow_scroll_drag_end(struct scrollbar *scrollbar,
browser_mouse_state mouse, int x, int y);
size_t html_selection_drag_end(struct hlcache_handle *h,
browser_mouse_state mouse, int x, int y, int dir);
bool text_redraw(const char *utf8_text, size_t utf8_len,
size_t offset, int space,

View File

@ -48,6 +48,39 @@ static gui_pointer_shape get_pointer_shape(struct browser_window *bw,
struct box *box, bool imagemap);
static void html_box_drag_start(struct box *box, int x, int y);
/**
* End overflow scroll scrollbar drags
*
* \param h html content's high level cache entry
* \param mouse state of mouse buttons and modifier keys
* \param x coordinate of mouse
* \param y coordinate of mouse
*/
static size_t html_selection_drag_end(struct html_content *html,
browser_mouse_state mouse, int x, int y, int dir)
{
int pixel_offset;
struct box *box;
int dx, dy;
size_t idx = 0;
box = box_pick_text_box(html, x, y, dir, &dx, &dy);
if (box) {
plot_font_style_t fstyle;
font_plot_style_from_css(box->style, &fstyle);
nsfont.font_position_in_string(&fstyle, box->text, box->length,
dx, &idx, &pixel_offset);
idx += box->byte_offset;
}
return idx;
}
/**
* Handle mouse tracking (including drags) in an HTML content window.
*
@ -62,7 +95,6 @@ void html_mouse_track(struct content *c, struct browser_window *bw,
browser_mouse_state mouse, int x, int y)
{
html_content *html = (html_content*) c;
hlcache_handle *h = bw->current_content;
if (bw->drag_type == DRAGGING_SELECTION && !mouse) {
int dir = -1;
@ -71,7 +103,7 @@ void html_mouse_track(struct content *c, struct browser_window *bw,
if (selection_dragging_start(&html->sel))
dir = 1;
idx = html_selection_drag_end(h, mouse, x, y, dir);
idx = html_selection_drag_end(html, mouse, x, y, dir);
if (idx != 0)
selection_track(&html->sel, mouse, idx);
@ -88,7 +120,7 @@ void html_mouse_track(struct content *c, struct browser_window *bw,
if (selection_dragging_start(&html->sel))
dir = 1;
box = box_pick_text_box(h, x, y, dir, &dx, &dy);
box = box_pick_text_box(html, x, y, dir, &dx, &dy);
if (box) {
int pixel_offset;
@ -869,38 +901,6 @@ void html_overflow_scroll_drag_end(struct scrollbar *scrollbar,
}
/**
* End overflow scroll scrollbar drags
*
* \param h html content's high level cache entry
* \param mouse state of mouse buttons and modifier keys
* \param x coordinate of mouse
* \param y coordinate of mouse
*/
size_t html_selection_drag_end(hlcache_handle *h, browser_mouse_state mouse,
int x, int y, int dir)
{
int pixel_offset;
struct box *box;
int dx, dy;
size_t idx = 0;
box = box_pick_text_box(h, x, y, dir, &dx, &dy);
if (box) {
plot_font_style_t fstyle;
font_plot_style_from_css(box->style, &fstyle);
nsfont.font_position_in_string(&fstyle, box->text, box->length,
dx, &idx, &pixel_offset);
idx += box->byte_offset;
}
return idx;
}
/**
* Start drag scrolling the contents of a box
*