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Add some window related helper 

For the backend refactoring.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui 2018-12-22 00:33:40 +00:00
parent db5a78790c
commit 2cf04544d8
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GPG Key ID: 37C999F617EA1A47
2 changed files with 10 additions and 2 deletions
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4
src/win.c
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@ -117,6 +117,8 @@ void win_get_region_noframe_local(win *w, region_t *res) {
pixman_region32_init_rect(res, x, y, width, height);
}
gen_by_val(win_get_region_noframe_local)
/**
* Add a window to damaged area.
*
@ -1130,6 +1132,8 @@ void win_extents(win *w, region_t *res) {
w->g.y + w->shadow_dy, w->shadow_width, w->shadow_height);
}
gen_by_val(win_extents)
/**
* Update the out-dated bounding shape of a window.
*

8
src/win.h
View File

@ -115,7 +115,8 @@ struct win {
bool need_configure;
/// Queued <code>ConfigureNotify</code> when the window is unmapped.
xcb_configure_notify_event_t queue_configure;
/// The region of screen that will be obscured when windows above is painted.
/// The region of screen that will be obscured when windows above is painted,
/// in global coordinates.
/// We use this to reduce the pixels that needed to be paint when painting
/// this window and anything underneath. Depends on window frame
/// opacity state, window geometry, window mapped/unmapped state,
@ -303,12 +304,14 @@ void win_update_focused(session_t *ps, win *w);
// XXX was win_border_size
void win_update_bounding_shape(session_t *ps, win *w);
/**
* Get a rectangular region a window (and possibly its shadow) occupies.
* Get a rectangular region in global coordinates a window (and possibly
* its shadow) occupies.
*
* Note w->shadow and shadow geometry must be correct before calling this
* function.
*/
void win_extents(win *w, region_t *res);
region_t win_extents_by_val(win *w);
/**
* Add a window to damaged area.
*
@ -322,6 +325,7 @@ void add_damage_from_win(session_t *ps, win *w);
* Return region in global coordinates.
*/
void win_get_region_noframe_local(win *w, region_t *);
region_t win_get_region_noframe_local_by_val(win *w);
/**
* Retrieve frame extents from a window.
*/