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Improve browser window drag tracking, so that drags in internal browser windows (iframes) carry on if pointer goes outside the bw that owns the drag.

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svn path=/trunk/netsurf/; revision=12663
This commit is contained in:
Michael Drake 2011-08-24 18:22:22 +00:00
parent 24110be310
commit a47dff15dd
2 changed files with 28 additions and 0 deletions
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25
desktop/browser.c
View File

@ -324,6 +324,13 @@ void browser_window_set_position(struct browser_window *bw, int x, int y)
void browser_window_set_drag_type(struct browser_window *bw,
browser_drag_type type)
{
struct browser_window *top_bw = browser_window_get_root(bw);
if (type == DRAGGING_NONE)
top_bw->drag_window = NULL;
else
top_bw->drag_window = bw;
bw->drag_type = type;
}
@ -1857,6 +1864,24 @@ void browser_window_mouse_track(struct browser_window *bw,
const char *status = NULL;
gui_pointer_shape pointer = GUI_POINTER_DEFAULT;
if (bw->window != NULL) {
/* root browser window */
if (bw->drag_window) {
/* There's an active drag in a sub window.
* Pass the mouse action straight on to that bw. */
int off_x = 0;
int off_y = 0;
browser_window_get_position(bw->drag_window, true,
&off_x, &off_y);
browser_window_mouse_track(bw->drag_window, mouse,
x - off_x / bw->scale,
y - off_y / bw->scale);
return;
}
}
if (c == NULL && bw->drag_type != DRAGGING_FRAME)
return;

3
desktop/browser.h
View File

@ -104,6 +104,9 @@ struct browser_window {
/** Current drag status. */
browser_drag_type drag_type;
/** Current drag's browser window, when not in root bw. */
struct browser_window *drag_window;
/** Mouse position at start of current scroll drag. */
int drag_start_x;
int drag_start_y;