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-rw-r--r--sway/commands.c1
-rw-r--r--sway/commands/opacity.c39
-rw-r--r--sway/desktop/output.c34
-rw-r--r--sway/meson.build1
-rw-r--r--sway/sway.5.txt4
-rw-r--r--sway/tree/container.c2
6 files changed, 65 insertions, 16 deletions
diff --git a/sway/commands.c b/sway/commands.c
index 8156a08e..2786a879 100644
--- a/sway/commands.c
+++ b/sway/commands.c
@@ -163,6 +163,7 @@ static struct cmd_handler command_handlers[] = {
{ "kill", cmd_kill },
{ "layout", cmd_layout },
{ "move", cmd_move },
+ { "opacity", cmd_opacity },
{ "reload", cmd_reload },
{ "split", cmd_split },
{ "splith", cmd_splith },
diff --git a/sway/commands/opacity.c b/sway/commands/opacity.c
new file mode 100644
index 00000000..b8cd1f09
--- /dev/null
+++ b/sway/commands/opacity.c
@@ -0,0 +1,39 @@
+#include <assert.h>
+#include <stdlib.h>
+#include "sway/commands.h"
+#include "sway/tree/view.h"
+#include "log.h"
+
+static bool parse_opacity(const char *opacity, float *val) {
+ char *err;
+ *val = strtof(opacity, &err);
+ if (*val < 0 || *val > 1 || *err) {
+ return false;
+ }
+ return true;
+}
+
+struct cmd_results *cmd_opacity(int argc, char **argv) {
+ struct cmd_results *error = NULL;
+ if ((error = checkarg(argc, "layout", EXPECTED_EQUAL_TO, 1))) {
+ return error;
+ }
+
+ struct sway_container *con =
+ config->handler_context.current_container;
+
+ float opacity = 0.0f;
+
+ if (!parse_opacity(argv[0], &opacity)) {
+ return cmd_results_new(CMD_INVALID, "opacity <value>",
+ "Invalid value (expected 0..1): %s", argv[0]);
+ }
+
+ con->alpha = opacity;
+
+ if (con->type == C_VIEW) {
+ view_damage_whole(con->sway_view);
+ }
+
+ return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
diff --git a/sway/desktop/output.c b/sway/desktop/output.c
index 8a4fb4a2..6cf5da48 100644
--- a/sway/desktop/output.c
+++ b/sway/desktop/output.c
@@ -75,7 +75,7 @@ static bool surface_intersect_output(struct wlr_surface *surface,
static void render_surface(struct wlr_surface *surface,
struct wlr_output *wlr_output, struct timespec *when,
- double ox, double oy, float rotation) {
+ double ox, double oy, float rotation, float alpha) {
struct wlr_renderer *renderer =
wlr_backend_get_renderer(wlr_output->backend);
@@ -95,8 +95,8 @@ static void render_surface(struct wlr_surface *surface,
wlr_matrix_project_box(matrix, &box, transform, rotation,
wlr_output->transform_matrix);
- // TODO: configurable alpha
- wlr_render_texture_with_matrix(renderer, surface->texture, matrix, 1.0f);
+ wlr_render_texture_with_matrix(renderer, surface->texture,
+ matrix, alpha);
wlr_surface_send_frame_done(surface, when);
}
@@ -110,13 +110,13 @@ static void render_surface(struct wlr_surface *surface,
surface->current->width, surface->current->height, rotation);
render_surface(subsurface->surface, wlr_output, when,
- ox + sx, oy + sy, rotation);
+ ox + sx, oy + sy, rotation, alpha);
}
}
static void render_xdg_v6_popups(struct wlr_xdg_surface_v6 *surface,
struct wlr_output *wlr_output, struct timespec *when, double base_x,
- double base_y, float rotation) {
+ double base_y, float rotation, float alpha) {
double width = surface->surface->current->width;
double height = surface->surface->current->height;
@@ -136,19 +136,19 @@ static void render_xdg_v6_popups(struct wlr_xdg_surface_v6 *surface,
width, height, rotation);
render_surface(popup->surface, wlr_output, when,
- base_x + popup_sx, base_y + popup_sy, rotation);
+ base_x + popup_sx, base_y + popup_sy, rotation, alpha);
render_xdg_v6_popups(popup, wlr_output, when,
- base_x + popup_sx, base_y + popup_sy, rotation);
+ base_x + popup_sx, base_y + popup_sy, rotation, alpha);
}
}
static void render_wl_shell_surface(struct wlr_wl_shell_surface *surface,
struct wlr_output *wlr_output, struct timespec *when,
- double lx, double ly, float rotation,
+ double lx, double ly, float rotation, float alpha,
bool is_child) {
if (is_child || surface->state != WLR_WL_SHELL_SURFACE_STATE_POPUP) {
render_surface(surface->surface, wlr_output, when,
- lx, ly, rotation);
+ lx, ly, rotation, alpha);
double width = surface->surface->current->width;
double height = surface->surface->current->height;
@@ -164,7 +164,7 @@ static void render_wl_shell_surface(struct wlr_wl_shell_surface *surface,
width, height, rotation);
render_wl_shell_surface(popup, wlr_output, when,
- lx + popup_x, ly + popup_y, rotation, true);
+ lx + popup_x, ly + popup_y, rotation, alpha, true);
}
}
}
@@ -181,6 +181,7 @@ static void render_view(struct sway_container *view, void *data) {
struct wlr_output *wlr_output = output->wlr_output;
struct sway_view *sway_view = view->sway_view;
struct wlr_surface *surface = sway_view->surface;
+ float alpha = sway_view->swayc->alpha;
if (!surface) {
return;
@@ -191,17 +192,18 @@ static void render_view(struct sway_container *view, void *data) {
int window_offset_x = view->sway_view->wlr_xdg_surface_v6->geometry.x;
int window_offset_y = view->sway_view->wlr_xdg_surface_v6->geometry.y;
render_surface(surface, wlr_output, when,
- view->x - window_offset_x, view->y - window_offset_y, 0);
+ view->x - window_offset_x, view->y - window_offset_y, 0, alpha);
render_xdg_v6_popups(sway_view->wlr_xdg_surface_v6, wlr_output,
- when, view->x - window_offset_x, view->y - window_offset_y, 0);
+ when, view->x - window_offset_x, view->y - window_offset_y, 0, alpha);
break;
}
case SWAY_WL_SHELL_VIEW:
render_wl_shell_surface(sway_view->wlr_wl_shell_surface, wlr_output,
- when, view->x, view->y, 0, false);
+ when, view->x, view->y, 0, alpha, false);
break;
case SWAY_XWAYLAND_VIEW:
- render_surface(surface, wlr_output, when, view->x, view->y, 0);
+ render_surface(surface, wlr_output, when, view->x, view->y,
+ 0, alpha);
break;
default:
break;
@@ -214,7 +216,7 @@ static void render_layer(struct sway_output *output, struct timespec *when,
wl_list_for_each(sway_layer, layer, link) {
struct wlr_layer_surface *layer = sway_layer->layer_surface;
render_surface(layer->surface, output->wlr_output, when,
- sway_layer->geo.x, sway_layer->geo.y, 0);
+ sway_layer->geo.x, sway_layer->geo.y, 0, 1.0f);
wlr_surface_send_frame_done(layer->surface, when);
}
}
@@ -288,7 +290,7 @@ static void render_output(struct sway_output *output, struct timespec *when,
}
render_surface(xsurface->surface, wlr_output, &output->last_frame,
- view_box.x - output_box->x, view_box.y - output_box->y, 0);
+ view_box.x - output_box->x, view_box.y - output_box->y, 0, 1.0f);
}
// TODO: Consider revising this when fullscreen windows are supported
diff --git a/sway/meson.build b/sway/meson.build
index 91aab0a0..f210c195 100644
--- a/sway/meson.build
+++ b/sway/meson.build
@@ -15,6 +15,7 @@ sway_sources = files(
'commands/focus.c',
'commands/focus_follows_mouse.c',
'commands/kill.c',
+ 'commands/opacity.c',
'commands/include.c',
'commands/input.c',
'commands/layout.c',
diff --git a/sway/sway.5.txt b/sway/sway.5.txt
index 900e499a..59c3295a 100644
--- a/sway/sway.5.txt
+++ b/sway/sway.5.txt
@@ -413,6 +413,10 @@ The default colors are:
However, any mark that starts with an underscore will not be drawn even if the
option is on. The default option is _on_.
+**opacity** <value>::
+ Set the opacity of the window between 0 (completely transparent) and 1
+ (completely opaque).
+
**unmark** <identifier>::
**Unmark** will remove _identifier_ from the list of current marks on a window. If
no _identifier_ is specified, then **unmark** will remove all marks.
diff --git a/sway/tree/container.c b/sway/tree/container.c
index 753f333c..3be08645 100644
--- a/sway/tree/container.c
+++ b/sway/tree/container.c
@@ -72,6 +72,8 @@ struct sway_container *container_create(enum sway_container_type type) {
c->layout = L_NONE;
c->workspace_layout = L_NONE;
c->type = type;
+ c->alpha = 1.0f;
+
if (type != C_VIEW) {
c->children = create_list();
}