mirror of
https://github.com/yshui/picom.git
synced 2024-11-11 13:51:02 -05:00
Bug fix: Issue #37, fix 5 opacity-related bugs
More details in the bug report. - Rewritten much of the opacity calculation, code cleanup. - Commandline switch --inactive_opacity_override to restore the old behavior in which inactive_opacity has higher priority than _NET_WM_OPACITY.
This commit is contained in:
Richard Grenville
parent
deaaf5c5cf
commit
129115171a
2 changed files with 154 additions and 54 deletions
167
src/compton.c
167
src/compton.c
|
|
@ -81,9 +81,6 @@ Bool win_type_fade[NUM_WINTYPES];
|
|||
* Macros
|
||||
*/
|
||||
|
||||
#define INACTIVE_OPACITY \
|
||||
(unsigned long)((double)inactive_opacity * OPAQUE)
|
||||
|
||||
#define IS_NORMAL_WIN(w) \
|
||||
((w) && ((w)->window_type == WINTYPE_NORMAL \
|
||||
|| (w)->window_type == WINTYPE_UTILITY))
|
||||
|
|
@ -108,8 +105,14 @@ Bool fade_trans = False;
|
|||
|
||||
Bool clear_shadow = False;
|
||||
|
||||
double inactive_opacity = 0;
|
||||
double frame_opacity = 0;
|
||||
/// Default opacity for inactive windows.
|
||||
/// 32-bit integer with the format of _NET_WM_OPACITY. 0 stands for
|
||||
/// not enabled, default.
|
||||
opacity_t inactive_opacity = 0;
|
||||
/// Whether inactive_opacity overrides the opacity set by window
|
||||
/// attributes.
|
||||
Bool inactive_opacity_override = False;
|
||||
double frame_opacity = 0.0;
|
||||
|
||||
Bool synchronize = False;
|
||||
|
||||
|
|
@ -203,21 +206,7 @@ set_fade(Display *dpy, win *w, double start,
|
|||
}
|
||||
|
||||
f->callback = callback;
|
||||
w->opacity = f->cur * OPAQUE;
|
||||
|
||||
determine_mode(dpy, w);
|
||||
|
||||
if (w->shadow) {
|
||||
XRenderFreePicture(dpy, w->shadow);
|
||||
w->shadow = None;
|
||||
|
||||
if (w->extents != None) {
|
||||
XFixesDestroyRegion(dpy, w->extents);
|
||||
}
|
||||
|
||||
/* rebuild the shadow */
|
||||
w->extents = win_extents(dpy, w);
|
||||
}
|
||||
set_opacity(dpy, w, f->cur * OPAQUE);
|
||||
|
||||
/* fading windows need to be drawn, mark
|
||||
them as damaged. when a window maps,
|
||||
|
|
@ -1364,6 +1353,7 @@ map_win(Display *dpy, Window id,
|
|||
|
||||
if (!w) return;
|
||||
|
||||
w->focused = False;
|
||||
w->a.map_state = IsViewable;
|
||||
w->window_type = determine_wintype(dpy, w->id, w->id);
|
||||
|
||||
|
|
@ -1382,8 +1372,7 @@ map_win(Display *dpy, Window id,
|
|||
}
|
||||
}
|
||||
|
||||
// this causes problems for inactive transparency
|
||||
//w->opacity = get_opacity_prop(dpy, w, OPAQUE);
|
||||
calc_opacity(dpy, w, True);
|
||||
|
||||
determine_mode(dpy, w);
|
||||
|
||||
|
|
@ -1481,8 +1470,7 @@ unmap_win(Display *dpy, Window id, Bool fade) {
|
|||
finish_unmap_win(dpy, w);
|
||||
}
|
||||
|
||||
static unsigned int
|
||||
get_opacity_prop(Display *dpy, win *w, unsigned int def) {
|
||||
opacity_t get_opacity_prop(Display *dpy, win *w, opacity_t def) {
|
||||
Atom actual;
|
||||
int format;
|
||||
unsigned long n, left;
|
||||
|
|
@ -1493,9 +1481,8 @@ get_opacity_prop(Display *dpy, win *w, unsigned int def) {
|
|||
XA_CARDINAL, &actual, &format, &n, &left, &data);
|
||||
|
||||
if (result == Success && data != NULL) {
|
||||
unsigned int i;
|
||||
memcpy(&i, data, sizeof(unsigned int));
|
||||
XFree((void *)data);
|
||||
opacity_t i = *((opacity_t *) data);
|
||||
XFree(data);
|
||||
return i;
|
||||
}
|
||||
|
||||
|
|
@ -1504,11 +1491,7 @@ get_opacity_prop(Display *dpy, win *w, unsigned int def) {
|
|||
|
||||
static double
|
||||
get_opacity_percent(Display *dpy, win *w) {
|
||||
double def = win_type_opacity[w->window_type];
|
||||
unsigned int opacity =
|
||||
get_opacity_prop(dpy, w, (unsigned int)(OPAQUE * def));
|
||||
|
||||
return opacity * 1.0 / OPAQUE;
|
||||
return w->opacity * 1.0 / OPAQUE;
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -1558,8 +1541,11 @@ determine_mode(Display *dpy, win *w) {
|
|||
}
|
||||
}
|
||||
|
||||
static void
|
||||
set_opacity(Display *dpy, win *w, unsigned long opacity) {
|
||||
void set_opacity(Display *dpy, win *w, opacity_t opacity) {
|
||||
// Do nothing if the opacity does not change
|
||||
if (w->opacity == opacity)
|
||||
return;
|
||||
|
||||
w->opacity = opacity;
|
||||
determine_mode(dpy, w);
|
||||
if (w->shadow) {
|
||||
|
|
@ -1575,6 +1561,53 @@ set_opacity(Display *dpy, win *w, unsigned long opacity) {
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculate and set the opacity of a window.
|
||||
*
|
||||
* If window is inactive and inactive_opacity_override is set, the
|
||||
* priority is: (Simulates the old behavior)
|
||||
*
|
||||
* inactive_opacity > _NET_WM_WINDOW_OPACITY (if not opaque)
|
||||
* > window type default opacity
|
||||
*
|
||||
* Otherwise:
|
||||
*
|
||||
* _NET_WM_WINDOW_OPACITY (if not opaque)
|
||||
* > window type default opacity (if not opaque)
|
||||
* > inactive_opacity
|
||||
*
|
||||
* @param dpy X display to use
|
||||
* @param w struct _win object representing the window
|
||||
* @param refetch_prop whether _NET_WM_OPACITY of the window needs to be
|
||||
* refetched
|
||||
*/
|
||||
void calc_opacity(Display *dpy, win *w, Bool refetch_prop) {
|
||||
opacity_t opacity;
|
||||
|
||||
// Do nothing for unmapped window, calc_opacity() will be called
|
||||
// when it's mapped
|
||||
// I suppose I need not to check for IsUnviewable here?
|
||||
if (IsViewable != w->a.map_state)
|
||||
return;
|
||||
|
||||
// Do not refetch the opacity window attribute unless necessary, this
|
||||
// is probably an expensive operation in some cases
|
||||
if (refetch_prop)
|
||||
w->opacity_prop = get_opacity_prop(dpy, w, OPAQUE);
|
||||
|
||||
if (OPAQUE == (opacity = w->opacity_prop)) {
|
||||
if (OPAQUE != win_type_opacity[w->window_type])
|
||||
opacity = win_type_opacity[w->window_type] * OPAQUE;
|
||||
}
|
||||
|
||||
// Respect inactive_opacity in some cases
|
||||
if (IS_NORMAL_WIN(w) && False == w->focused && inactive_opacity
|
||||
&& (OPAQUE == opacity || inactive_opacity_override))
|
||||
opacity = inactive_opacity;
|
||||
|
||||
set_opacity(dpy, w, opacity);
|
||||
}
|
||||
|
||||
static void
|
||||
add_win(Display *dpy, Window id, Window prev, Bool override_redirect) {
|
||||
if (find_win(dpy, id)) {
|
||||
|
|
@ -1632,6 +1665,8 @@ add_win(Display *dpy, Window id, Window prev, Bool override_redirect) {
|
|||
new->shadow_width = 0;
|
||||
new->shadow_height = 0;
|
||||
new->opacity = OPAQUE;
|
||||
new->opacity_prop = OPAQUE;
|
||||
new->focused = False;
|
||||
new->destroyed = False;
|
||||
new->need_configure = False;
|
||||
new->window_type = WINTYPE_UNKNOWN;
|
||||
|
|
@ -1661,9 +1696,6 @@ add_win(Display *dpy, Window id, Window prev, Bool override_redirect) {
|
|||
|
||||
if (new->a.map_state == IsViewable) {
|
||||
new->window_type = determine_wintype(dpy, id, id);
|
||||
if (inactive_opacity && IS_NORMAL_WIN(new)) {
|
||||
new->opacity = INACTIVE_OPACITY;
|
||||
}
|
||||
map_win(dpy, id, new->damage_sequence - 1, True, override_redirect);
|
||||
}
|
||||
}
|
||||
|
|
@ -1875,7 +1907,7 @@ destroy_win(Display *dpy, Window id, Bool fade) {
|
|||
|
||||
#if HAS_NAME_WINDOW_PIXMAP
|
||||
if (w && w->pixmap && fade && win_type_fade[w->window_type]) {
|
||||
set_fade(dpy, w, w->opacity * 1.0 / OPAQUE,
|
||||
set_fade(dpy, w, get_opacity_percent(dpy, w),
|
||||
0.0, fade_out_step, destroy_callback,
|
||||
False, True);
|
||||
} else
|
||||
|
|
@ -2169,9 +2201,9 @@ ev_focus_in(XFocusChangeEvent *ev) {
|
|||
if (!inactive_opacity) return;
|
||||
|
||||
win *w = find_win(dpy, ev->window);
|
||||
if (IS_NORMAL_WIN(w)) {
|
||||
set_opacity(dpy, w, OPAQUE);
|
||||
}
|
||||
|
||||
w->focused = True;
|
||||
calc_opacity(dpy, w, False);
|
||||
}
|
||||
|
||||
inline static void
|
||||
|
|
@ -2188,9 +2220,9 @@ ev_focus_out(XFocusChangeEvent *ev) {
|
|||
}
|
||||
|
||||
win *w = find_win(dpy, ev->window);
|
||||
if (IS_NORMAL_WIN(w)) {
|
||||
set_opacity(dpy, w, INACTIVE_OPACITY);
|
||||
}
|
||||
|
||||
w->focused = False;
|
||||
calc_opacity(dpy, w, False);
|
||||
}
|
||||
|
||||
inline static void
|
||||
|
|
@ -2282,9 +2314,7 @@ ev_property_notify(XPropertyEvent *ev) {
|
|||
/* reset mode and redraw window */
|
||||
win *w = find_win(dpy, ev->window);
|
||||
if (w) {
|
||||
double def = win_type_opacity[w->window_type];
|
||||
set_opacity(dpy, w,
|
||||
get_opacity_prop(dpy, w, (unsigned long)(OPAQUE * def)));
|
||||
calc_opacity(dpy, w, True);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -2456,6 +2486,8 @@ usage() {
|
|||
" Green color value of shadow (0.0 - 1.0, defaults to 0).\n"
|
||||
"--shadow-blue value\n"
|
||||
" Blue color value of shadow (0.0 - 1.0, defaults to 0).\n"
|
||||
"--inactive-opacity-override\n"
|
||||
" Inactive opacity set by -i overrides value of _NET_WM_OPACITY.\n"
|
||||
);
|
||||
|
||||
exit(1);
|
||||
|
|
@ -2561,6 +2593,7 @@ main(int argc, char **argv) {
|
|||
{ "shadow-red", required_argument, NULL, 0 },
|
||||
{ "shadow-green", required_argument, NULL, 0 },
|
||||
{ "shadow-blue", required_argument, NULL, 0 },
|
||||
{ "inactive-opacity-override", no_argument, NULL, 0 },
|
||||
};
|
||||
|
||||
XEvent ev;
|
||||
|
|
@ -2603,6 +2636,9 @@ main(int argc, char **argv) {
|
|||
case 2:
|
||||
shadow_blue = normalize_d(atof(optarg));
|
||||
break;
|
||||
case 3:
|
||||
inactive_opacity_override = True;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
// Short options
|
||||
|
|
@ -2664,10 +2700,12 @@ main(int argc, char **argv) {
|
|||
shadow_offset_y = atoi(optarg);
|
||||
break;
|
||||
case 'i':
|
||||
inactive_opacity = (double)atof(optarg);
|
||||
inactive_opacity = (normalize_d(atof(optarg)) * OPAQUE);
|
||||
if (OPAQUE == inactive_opacity)
|
||||
inactive_opacity = 0;
|
||||
break;
|
||||
case 'e':
|
||||
frame_opacity = (double)atof(optarg);
|
||||
frame_opacity = normalize_d(atof(optarg));
|
||||
break;
|
||||
case 'z':
|
||||
clear_shadow = True;
|
||||
|
|
@ -2792,6 +2830,37 @@ main(int argc, char **argv) {
|
|||
add_win(dpy, children[i], i ? children[i-1] : None, False);
|
||||
}
|
||||
|
||||
// Check the currently focused window so we can apply appropriate
|
||||
// opacity on it
|
||||
{
|
||||
Window wid = 0;
|
||||
int revert_to;
|
||||
win *w = NULL;
|
||||
|
||||
XGetInputFocus(dpy, &wid, &revert_to);
|
||||
|
||||
// XGetInputFocus seemingly returns the application window focused
|
||||
// instead of the WM window frame, so we traverse through its
|
||||
// ancestors to find out the frame
|
||||
while(wid && wid != root
|
||||
&& !array_wid_exists(children, nchildren, wid)) {
|
||||
Window troot;
|
||||
Window parent;
|
||||
Window *tchildren;
|
||||
unsigned tnchildren;
|
||||
|
||||
XQueryTree(dpy, wid, &troot, &parent, &tchildren, &tnchildren);
|
||||
XFree(tchildren);
|
||||
wid = parent;
|
||||
}
|
||||
|
||||
// And we set the focus state and opacity here
|
||||
if (wid && wid != root && (w = find_win(dpy, wid))) {
|
||||
w->focused = True;
|
||||
calc_opacity(dpy, w, False);
|
||||
}
|
||||
}
|
||||
|
||||
XFree(children);
|
||||
|
||||
XUngrabServer(dpy);
|
||||
|
|
|
|||
|
|
@ -7,6 +7,7 @@
|
|||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <inttypes.h>
|
||||
#include <math.h>
|
||||
#include <sys/poll.h>
|
||||
#include <sys/time.h>
|
||||
|
|
@ -44,6 +45,8 @@
|
|||
* Types
|
||||
*/
|
||||
|
||||
typedef uint32_t opacity_t;
|
||||
|
||||
typedef enum {
|
||||
WINTYPE_UNKNOWN,
|
||||
WINTYPE_DESKTOP,
|
||||
|
|
@ -94,8 +97,12 @@ typedef struct _win {
|
|||
int shadow_dy;
|
||||
int shadow_width;
|
||||
int shadow_height;
|
||||
unsigned int opacity;
|
||||
opacity_t opacity;
|
||||
/// Cached value of opacity window attribute.
|
||||
opacity_t opacity_prop;
|
||||
wintype window_type;
|
||||
/// Whether the window is focused.
|
||||
Bool focused;
|
||||
unsigned long damage_sequence; /* sequence when damage was created */
|
||||
Bool destroyed;
|
||||
unsigned int left_width;
|
||||
|
|
@ -127,6 +134,7 @@ typedef struct _fade {
|
|||
} fade;
|
||||
|
||||
extern int root_height, root_width;
|
||||
|
||||
/**
|
||||
* Functions
|
||||
*/
|
||||
|
|
@ -134,6 +142,11 @@ extern int root_height, root_width;
|
|||
// inline functions must be made static to compile correctly under clang:
|
||||
// http://clang.llvm.org/compatibility.html#inline
|
||||
|
||||
/**
|
||||
* Normalize a double value to 0.\ 0 - 1.\ 0.
|
||||
*
|
||||
* @param d double value to normalize
|
||||
*/
|
||||
static inline double normalize_d(double d) {
|
||||
if (d > 1.0)
|
||||
return 1.0;
|
||||
|
|
@ -143,6 +156,23 @@ static inline double normalize_d(double d) {
|
|||
return d;
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if a window ID exists in an array of window IDs.
|
||||
*
|
||||
* @param arr the array of window IDs
|
||||
* @param count amount of elements in the array
|
||||
* @param wid window ID to search for
|
||||
*/
|
||||
static inline Bool array_wid_exists(const Window *arr,
|
||||
int count, Window wid) {
|
||||
while (count--) {
|
||||
if (arr[count] == wid)
|
||||
return True;
|
||||
}
|
||||
|
||||
return False;
|
||||
}
|
||||
|
||||
static int
|
||||
get_time_in_milliseconds();
|
||||
|
||||
|
|
@ -263,8 +293,8 @@ unmap_callback(Display *dpy, win *w);
|
|||
static void
|
||||
unmap_win(Display *dpy, Window id, Bool fade);
|
||||
|
||||
static unsigned int
|
||||
get_opacity_prop(Display *dpy, win *w, unsigned int def);
|
||||
opacity_t
|
||||
get_opacity_prop(Display *dpy, win *w, opacity_t def);
|
||||
|
||||
static double
|
||||
get_opacity_percent(Display *dpy, win *w);
|
||||
|
|
@ -272,8 +302,9 @@ get_opacity_percent(Display *dpy, win *w);
|
|||
static void
|
||||
determine_mode(Display *dpy, win *w);
|
||||
|
||||
static void
|
||||
set_opacity(Display *dpy, win *w, unsigned long opacity);
|
||||
void set_opacity(Display *dpy, win *w, opacity_t opacity);
|
||||
|
||||
void calc_opacity(Display *dpy, win *w, Bool refetch_prop);
|
||||
|
||||
static void
|
||||
add_win(Display *dpy, Window id, Window prev, Bool override_redirect);
|
||||
|
|
|
|||
Loading…
Reference in a new issue