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dwl-patches/patches/client-opacity/client-opacity.patch
A Frederick Christensen 9c5d5d85f3
dwl-patches overhaul 
Eliminated wiki.
Individual patches have a README.md explanation in their own subdirectory.
Simplified submission of new patches and maintenance of existing patches.
Instructions page (README.md autodisplayed) is now at https://codeberg.org/dwl/dwl-patches/
2024-05-09 23:12:04 -05:00

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From adbc47f25aadfa55d2e042c52f81ba4db08dd57f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Leonardo=20Hern=C3=A1ndez=20Hern=C3=A1ndez?=
<leohdz172@proton.me>
Date: Tue, 25 Jul 2023 12:48:22 -0600
Subject: [PATCH] add default transparency for windows and rules for override
the transparency
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Leonardo Hernández Hernández <leohdz172@proton.me>
---
config.def.h | 10 +++++++---
dwl.c | 38 ++++++++++++++++++++++++++++++++++++++
2 files changed, 45 insertions(+), 3 deletions(-)
diff --git a/config.def.h b/config.def.h
index a8ed61d..3c79817 100644
--- a/config.def.h
+++ b/config.def.h
@@ -13,6 +13,7 @@ static const float focuscolor[] = COLOR(0x005577ff);
static const float urgentcolor[] = COLOR(0xff0000ff);
/* To conform the xdg-protocol, set the alpha to zero to restore the old behavior */
static const float fullscreen_bg[] = {0.1, 0.1, 0.1, 1.0}; /* You can also use glsl colors */
+static const float default_opacity = 0.75;
/* tagging - TAGCOUNT must be no greater than 31 */
#define TAGCOUNT (9)
@@ -21,11 +22,12 @@ static const float fullscreen_bg[] = {0.1, 0.1, 0.1, 1.0}; /* You can al
static int log_level = WLR_ERROR;
static const Rule rules[] = {
- /* app_id title tags mask isfloating monitor */
+ /* app_id title tags mask isfloating alpha monitor */
/* examples:
- { "Gimp", NULL, 0, 1, -1 },
+ { "Gimp", NULL, 0, 1, default_alpha, -1 },
+ { "Alacritty",NULL, 1 << 2, 0, 1.0, -1 },
*/
- { "firefox", NULL, 1 << 8, 0, -1 },
+ { "firefox", NULL, 1 << 8, 0, default_opacity, -1 },
};
/* layout(s) */
@@ -128,6 +130,8 @@ static const Key keys[] = {
{ MODKEY, XKB_KEY_d, incnmaster, {.i = -1} },
{ MODKEY, XKB_KEY_h, setmfact, {.f = -0.05} },
{ MODKEY, XKB_KEY_l, setmfact, {.f = +0.05} },
+ { MODKEY, XKB_KEY_o, setopacity, {.f = +0.1} },
+ { MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_O, setopacity, {.f = -0.1} },
{ MODKEY, XKB_KEY_Return, zoom, {0} },
{ MODKEY, XKB_KEY_Tab, view, {0} },
{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_C, killclient, {0} },
diff --git a/dwl.c b/dwl.c
index 4d19357..1b905ed 100644
--- a/dwl.c
+++ b/dwl.c
@@ -133,6 +133,7 @@ typedef struct {
unsigned int bw;
uint32_t tags;
int isfloating, isurgent, isfullscreen;
+ float opacity;
uint32_t resize; /* configure serial of a pending resize */
} Client;
@@ -217,6 +218,7 @@ typedef struct {
const char *title;
uint32_t tags;
int isfloating;
+ float opacity;
int monitor;
} Rule;
@@ -299,6 +301,7 @@ static void requeststartdrag(struct wl_listener *listener, void *data);
static void requestmonstate(struct wl_listener *listener, void *data);
static void resize(Client *c, struct wlr_box geo, int interact);
static void run(char *startup_cmd);
+static void scenebuffersetopacity(struct wlr_scene_buffer *buffer, int sx, int sy, void *user_data);
static void setcursor(struct wl_listener *listener, void *data);
static void setcursorshape(struct wl_listener *listener, void *data);
static void setfloating(Client *c, int floating);
@@ -307,6 +310,7 @@ static void setgamma(struct wl_listener *listener, void *data);
static void setlayout(const Arg *arg);
static void setmfact(const Arg *arg);
static void setmon(Client *c, Monitor *m, uint32_t newtags);
+static void setopacity(const Arg *arg);
static void setpsel(struct wl_listener *listener, void *data);
static void setsel(struct wl_listener *listener, void *data);
static void setup(void);
@@ -440,6 +444,7 @@ applyrules(Client *c)
if ((!r->title || strstr(title, r->title))
&& (!r->id || strstr(appid, r->id))) {
c->isfloating = r->isfloating;
+ c->opacity = r->opacity;
newtags |= r->tags;
i = 0;
wl_list_for_each(m, &mons, link) {
@@ -448,6 +453,7 @@ applyrules(Client *c)
}
}
}
+ wlr_scene_node_for_each_buffer(&c->scene_surface->node, scenebuffersetopacity, c);
wlr_scene_node_reparent(&c->scene->node, layers[c->isfloating ? LyrFloat : LyrTile]);
setmon(c, mon, newtags);
}
@@ -734,6 +740,9 @@ commitnotify(struct wl_listener *listener, void *data)
if (client_surface(c)->mapped && c->mon)
resize(c, c->geom, (c->isfloating && !c->isfullscreen));
+ if (c->scene_surface)
+ wlr_scene_node_for_each_buffer(&c->scene_surface->node, scenebuffersetopacity, c);
+
/* mark a pending resize as completed */
if (c->resize && c->resize <= c->surface.xdg->current.configure_serial)
c->resize = 0;
@@ -947,6 +956,7 @@ createnotify(struct wl_listener *listener, void *data)
c = xdg_surface->data = ecalloc(1, sizeof(*c));
c->surface.xdg = xdg_surface;
c->bw = borderpx;
+ c->opacity = default_opacity;
wlr_xdg_toplevel_set_wm_capabilities(xdg_surface->toplevel,
WLR_XDG_TOPLEVEL_WM_CAPABILITIES_FULLSCREEN);
@@ -2002,6 +2012,15 @@ run(char *startup_cmd)
wl_display_run(dpy);
}
+void
+scenebuffersetopacity(struct wlr_scene_buffer *buffer, int sx, int sy, void *data)
+{
+ Client *c = data;
+ /* xdg-popups are children of Client.scene, we do not have to worry about
+ messing with them. */
+ wlr_scene_buffer_set_opacity(buffer, c->isfullscreen ? 1 : c->opacity);
+}
+
void
setcursor(struct wl_listener *listener, void *data)
{
@@ -2067,6 +2086,7 @@ setfullscreen(Client *c, int fullscreen)
* client positions are set by the user and cannot be recalculated */
resize(c, c->prev, 0);
}
+ wlr_scene_node_for_each_buffer(&c->scene_surface->node, scenebuffersetopacity, c);
arrange(c->mon);
printstatus();
}
@@ -2132,6 +2152,23 @@ setmon(Client *c, Monitor *m, uint32_t newtags)
focusclient(focustop(selmon), 1);
}
+void
+setopacity(const Arg *arg)
+{
+ Client *sel = focustop(selmon);
+ if (!sel)
+ return;
+
+ sel->opacity += arg->f;
+ if (sel->opacity > 1.0)
+ sel->opacity = 1.0;
+
+ if (sel->opacity < 0.1)
+ sel->opacity = 0.1;
+
+ wlr_scene_node_for_each_buffer(&sel->scene_surface->node, scenebuffersetopacity, sel);
+}
+
void
setpsel(struct wl_listener *listener, void *data)
{
@@ -2842,6 +2879,7 @@ createnotifyx11(struct wl_listener *listener, void *data)
c->surface.xwayland = xsurface;
c->type = X11;
c->bw = borderpx;
+ c->opacity = default_opacity;
/* Listen to the various events it can emit */
LISTEN(&xsurface->events.associate, &c->associate, associatex11);
--
2.43.0
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