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authorDrew DeVault <sir@cmpwn.com>2018-02-25 13:16:35 -0500
committerGitHub <noreply@github.com>2018-02-25 13:16:35 -0500
commit3296365ce591ae4ba115befa8134bc2526b36710 (patch)
treee1b7a73b6d86e69b356bc8791a0b0996fa2842ad /rootston
parent7da653bbb4569d41ce1a46c97e3b10c675f73741 (diff)
parent202a728ee9a0e7dbfbcc7e51e060a2a9a5f09847 (diff)
Merge pull request #659 from agx/alpha
Make wlr_render_with_matrix use alpha
Diffstat (limited to 'rootston')
-rw-r--r--rootston/desktop.c19
-rw-r--r--rootston/keyboard.c5
-rw-r--r--rootston/output.c6
-rw-r--r--rootston/rootston.ini.example2
-rw-r--r--rootston/wl_shell.c2
-rw-r--r--rootston/xdg_shell.c2
-rw-r--r--rootston/xdg_shell_v6.c2
-rw-r--r--rootston/xwayland.c2
8 files changed, 34 insertions, 6 deletions
diff --git a/rootston/desktop.c b/rootston/desktop.c
index 8ac741bb..b42a71a2 100644
--- a/rootston/desktop.c
+++ b/rootston/desktop.c
@@ -23,6 +23,16 @@
#include "rootston/view.h"
#include "rootston/xcursor.h"
+
+struct roots_view *view_create() {
+ struct roots_view *view = calloc(1, sizeof(struct roots_view));
+ if (!view) {
+ return NULL;
+ }
+ view->alpha = 1.0f;
+ return view;
+}
+
void view_get_box(const struct roots_view *view, struct wlr_box *box) {
box->x = view->x;
box->y = view->y;
@@ -269,6 +279,15 @@ void view_rotate(struct roots_view *view, float rotation) {
view_damage_whole(view);
}
+void view_cycle_alpha(struct roots_view *view) {
+ view->alpha -= 0.05;
+ /* Don't go completely transparent */
+ if (view->alpha < 0.1) {
+ view->alpha = 1.0;
+ }
+ view_damage_whole(view);
+}
+
void view_close(struct roots_view *view) {
if (view->close) {
view->close(view);
diff --git a/rootston/keyboard.c b/rootston/keyboard.c
index 6ec90c31..b5dac51c 100644
--- a/rootston/keyboard.c
+++ b/rootston/keyboard.c
@@ -106,6 +106,11 @@ static void keyboard_binding_execute(struct roots_keyboard *keyboard,
}
} else if (strcmp(command, "next_window") == 0) {
roots_seat_cycle_focus(seat);
+ } else if (strcmp(command, "alpha") == 0) {
+ struct roots_view *focus = roots_seat_get_focus(seat);
+ if (focus != NULL) {
+ view_cycle_alpha(focus);
+ }
} else if (strncmp(exec_prefix, command, strlen(exec_prefix)) == 0) {
const char *shell_cmd = command + strlen(exec_prefix);
pid_t pid = fork();
diff --git a/rootston/output.c b/rootston/output.c
index a354ebf8..3e954989 100644
--- a/rootston/output.c
+++ b/rootston/output.c
@@ -202,6 +202,7 @@ struct render_data {
struct roots_output *output;
struct timespec *when;
pixman_region32_t *damage;
+ float alpha;
};
/**
@@ -296,7 +297,7 @@ static void render_surface(struct wlr_surface *surface, double lx, double ly,
pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(output, &rects[i]);
- wlr_render_with_matrix(renderer, surface->texture, &matrix);
+ wlr_render_with_matrix(renderer, surface->texture, &matrix, data->alpha);
}
damage_finish:
@@ -355,7 +356,7 @@ static void render_decorations(struct roots_view *view,
float matrix[16];
wlr_matrix_project_box(&matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL,
view->rotation, &output->wlr_output->transform_matrix);
- float color[] = { 0.2, 0.2, 0.2, 1 };
+ float color[] = { 0.2, 0.2, 0.2, view->alpha };
int nrects;
pixman_box32_t *rects =
@@ -376,6 +377,7 @@ static void render_view(struct roots_view *view, struct render_data *data) {
return;
}
+ data->alpha = view->alpha;
render_decorations(view, data);
view_for_each_surface(view, render_surface, data);
}
diff --git a/rootston/rootston.ini.example b/rootston/rootston.ini.example
index a6619767..6f29a35d 100644
--- a/rootston/rootston.ini.example
+++ b/rootston/rootston.ini.example
@@ -42,8 +42,10 @@ meta-key = Logo
# - "exec" to execute a shell command
# - "close" to close the current view
# - "next_window" to cycle through windows
+# - "alpha" to cycle a window's alpha channel
[bindings]
Logo+Shift+e = exit
Logo+q = close
Logo+m = maximize
Alt+Tab = next_window
+Ctrl+Shift+a = alpha
diff --git a/rootston/wl_shell.c b/rootston/wl_shell.c
index 44a65cf5..899df1c6 100644
--- a/rootston/wl_shell.c
+++ b/rootston/wl_shell.c
@@ -227,7 +227,7 @@ void handle_wl_shell_surface(struct wl_listener *listener, void *data) {
roots_surface->surface_commit.notify = handle_surface_commit;
wl_signal_add(&surface->surface->events.commit, &roots_surface->surface_commit);
- struct roots_view *view = calloc(1, sizeof(struct roots_view));
+ struct roots_view *view = view_create();
if (!view) {
free(roots_surface);
return;
diff --git a/rootston/xdg_shell.c b/rootston/xdg_shell.c
index 8340de46..9368ce0b 100644
--- a/rootston/xdg_shell.c
+++ b/rootston/xdg_shell.c
@@ -333,7 +333,7 @@ void handle_xdg_shell_surface(struct wl_listener *listener, void *data) {
roots_surface->new_popup.notify = handle_new_popup;
wl_signal_add(&surface->events.new_popup, &roots_surface->new_popup);
- struct roots_view *view = calloc(1, sizeof(struct roots_view));
+ struct roots_view *view = view_create();
if (!view) {
free(roots_surface);
return;
diff --git a/rootston/xdg_shell_v6.c b/rootston/xdg_shell_v6.c
index 8e6674ab..eda349cb 100644
--- a/rootston/xdg_shell_v6.c
+++ b/rootston/xdg_shell_v6.c
@@ -333,7 +333,7 @@ void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
roots_surface->new_popup.notify = handle_new_popup;
wl_signal_add(&surface->events.new_popup, &roots_surface->new_popup);
- struct roots_view *view = calloc(1, sizeof(struct roots_view));
+ struct roots_view *view = view_create();
if (!view) {
free(roots_surface);
return;
diff --git a/rootston/xwayland.c b/rootston/xwayland.c
index e9e0d5e0..f917fe5d 100644
--- a/rootston/xwayland.c
+++ b/rootston/xwayland.c
@@ -317,7 +317,7 @@ void handle_xwayland_surface(struct wl_listener *listener, void *data) {
wl_signal_add(&surface->surface->events.commit,
&roots_surface->surface_commit);
- struct roots_view *view = calloc(1, sizeof(struct roots_view));
+ struct roots_view *view = view_create();
if (view == NULL) {
free(roots_surface);
return;