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new backend: fix background blur of window with opacity set

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Only render blur with transparency when window is fading in/out.
Otherwise, a window with a set opacity will always have a completely
blurred background.

Fixes #198

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui
2019-07-26 23:40:30 +01:00
parent 79fc36b3e3
commit a229f34eaa
6 changed files with 77 additions and 52 deletions
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20
src/win.h
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@ -263,7 +263,7 @@ struct managed_win {
/// Current window opacity.
double opacity;
/// Target window opacity.
double opacity_tgt;
double opacity_target;
/// true if window (or client window, for broken window managers
/// not transferring client window's _NET_WM_OPACITY value) has opacity prop
bool has_opacity_prop;
@ -360,7 +360,23 @@ void win_unmark_client(session_t *ps, struct managed_win *w);
void win_recheck_client(session_t *ps, struct managed_win *w);
xcb_window_t win_get_leader_raw(session_t *ps, struct managed_win *w, int recursions);
bool win_get_class(session_t *ps, struct managed_win *w);
double attr_pure win_calc_opacity_target(session_t *ps, const struct managed_win *w);
/**
* Calculate and return the opacity target of a window.
*
* The priority of opacity settings are:
*
* inactive_opacity_override (if set, and unfocused) > _NET_WM_WINDOW_OPACITY (if set) >
* opacity-rules (if matched) > window type default opacity > active/inactive opacity
*
* @param ps current session
* @param w struct _win object representing the window
* @param ignore_state whether window state should be ignored in opacity calculation
*
* @return target opacity
*/
double attr_pure win_calc_opacity_target(session_t *ps, const struct managed_win *w,
bool ignore_state);
bool attr_pure win_should_dim(session_t *ps, const struct managed_win *w);
void win_update_screen(session_t *, struct managed_win *);
/// Prepare window for fading because opacity target changed