diff options
Diffstat (limited to 'compton.c')
| -rw-r--r-- | compton.c | 76 |
1 files changed, 76 insertions, 0 deletions
@@ -2427,6 +2427,28 @@ win_determine_blur_background(session_t *ps, win *w) { } /** + * Update window opacity according to opacity rules. + */ +static void +win_update_opacity_rule(session_t *ps, win *w) { + // If long is 32-bit, unfortunately there's no way could we express "unset", + // so we just entirely don't distinguish "unset" and OPAQUE + long opacity = OPAQUE; + void *val = NULL; + if (c2_matchd(ps, w, ps->o.opacity_rules, &w->cache_oparule, &val)) + opacity = ((double) (long) val) / 100.0 * OPAQUE; + + if (opacity == w->opacity_set) + return; + + if (OPAQUE != opacity) + wid_set_opacity_prop(ps, w->id, opacity); + else if (OPAQUE != w->opacity_set) + wid_rm_opacity_prop(ps, w->id); + w->opacity_set = opacity; +} + +/** * Function to be called on window type changes. */ static void @@ -2436,6 +2458,8 @@ win_on_wtype_change(session_t *ps, win *w) { win_update_focused(ps, w); if (ps->o.invert_color_list) win_determine_invert_color(ps, w); + if (ps->o.opacity_rules) + win_update_opacity_rule(ps, w); } /** @@ -2453,6 +2477,8 @@ win_on_factor_change(session_t *ps, win *w) { win_update_focused(ps, w); if (ps->o.blur_background_blacklist) win_determine_blur_background(ps, w); + if (ps->o.opacity_rules) + win_update_opacity_rule(ps, w); } /** @@ -2670,11 +2696,13 @@ add_win(session_t *ps, Window id, Window prev) { .cache_fcblst = NULL, .cache_ivclst = NULL, .cache_bbblst = NULL, + .cache_oparule = NULL, .opacity = 0, .opacity_tgt = 0, .opacity_prop = OPAQUE, .opacity_prop_client = OPAQUE, + .opacity_set = OPAQUE, .fade = false, .fade_force = UNSET, @@ -4351,6 +4379,12 @@ usage(int ret) { "--invert-color-include condition\n" " Specify a list of conditions of windows that should be painted with\n" " inverted color. Resource-hogging, and is not well tested.\n" + "--opacity-rule opacity:condition\n" + " Specify a list of opacity rules, in the format \"PERCENT:PATTERN\",\n" + " like \'50:name *= \"Firefox\"'. compton-trans is recommended over\n" + " this. Note we do not distinguish 100% and unset, and we don't make\n" + " any guarantee about possible conflicts with other programs that set\n" + " _NET_WM_WINDOW_OPACITY on frame or client windows.\n" "--backend backend\n" " Choose backend. Possible choices are xrender and glx" WARNING ".\n" "--glx-no-stencil\n" @@ -4638,6 +4672,9 @@ parse_conv_kern(session_t *ps, const char *src, const char **endptr) { return parse_matrix(ps, src, endptr); } +/** + * Parse a list of convolution kernels. + */ static bool parse_conv_kern_lst(session_t *ps, const char *src, XFixed **dest, int max) { static const struct { @@ -4682,6 +4719,37 @@ parse_conv_kern_lst(session_t *ps, const char *src, XFixed **dest, int max) { return true; } +/** + * Parse a list of opacity rules. + */ +static inline bool +parse_rule_opacity(session_t *ps, const char *src) { + // Find opacity value + char *endptr = NULL; + long val = strtol(src, &endptr, 0); + if (!endptr || endptr == src) { + printf_errf("(\"%s\"): No opacity specified?", src); + return false; + } + if (val > 100 || val < 0) { + printf_errf("(\"%s\"): Opacity %ld invalid.", src, val); + return false; + } + + // Skip over spaces + while (*endptr && isspace(*endptr)) + ++endptr; + if (':' != *endptr) { + printf_errf("(\"%s\"): Opacity terminator not found.", src); + return false; + } + ++endptr; + + // Parse pattern + // I hope 1-100 is acceptable for (void *) + return c2_parsed(ps, &ps->o.opacity_rules, endptr, (void *) val); +} + #ifdef CONFIG_LIBCONFIG /** * Get a file stream of the configuration file to read. @@ -5049,6 +5117,7 @@ get_cfg(session_t *ps, int argc, char *const *argv, bool first_pass) { { "blur-kern", required_argument, NULL, 301 }, { "resize-damage", required_argument, NULL, 302 }, { "glx-use-gpushader4", no_argument, NULL, 303 }, + { "opacity-rule", required_argument, NULL, 304 }, // Must terminate with a NULL entry { NULL, 0, NULL, 0 }, }; @@ -5282,6 +5351,11 @@ get_cfg(session_t *ps, int argc, char *const *argv, bool first_pass) { ps->o.resize_damage = atoi(optarg); break; P_CASEBOOL(303, glx_use_gpushader4); + case 304: + // --opacity-rule + if (!parse_rule_opacity(ps, optarg)) + exit(1); + break; default: usage(1); break; @@ -6216,6 +6290,7 @@ session_init(session_t *ps_old, int argc, char **argv) { .inactive_dim = 0.0, .inactive_dim_fixed = false, .invert_color_list = NULL, + .opacity_rules = NULL, .wintype_focus = { false }, .use_ewmh_active_win = false, @@ -6635,6 +6710,7 @@ session_destroy(session_t *ps) { free_wincondlst(&ps->o.focus_blacklist); free_wincondlst(&ps->o.invert_color_list); free_wincondlst(&ps->o.blur_background_blacklist); + free_wincondlst(&ps->o.opacity_rules); #endif // Free tracked atom list |