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Support adjusting window opacity like compiz

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This commit is contained in:
Kevin Lange 2016-12-19 20:43:53 +09:00
parent fa50e9f4e5
commit 1f58b8803f
2 changed files with 28 additions and 1 deletions
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27
userspace/gui/compositor/compositor.c
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@ -379,6 +379,7 @@ static yutani_server_window_t * server_window_create(yutani_globals_t * yg, int
win->untiled_height = 0;
win->default_mouse = 1;
win->server_flags = flags;
win->opacity = 255;
char key[1024];
YUTANI_SHMKEY(yg->server_ident, key, 1024, win);
@ -937,7 +938,11 @@ static int yutani_blit_window(yutani_globals_t * yg, cairo_t * ctx, yutani_serve
draw_window:
/* Paint window */
cairo_set_source_surface(cr, surf, 0, 0);
cairo_paint(cr);
if (window->opacity != 255) {
cairo_paint_with_alpha(cr, (float)(window->opacity)/255.0);
} else {
cairo_paint(cr);
}
}
draw_finish:
@ -1695,6 +1700,22 @@ static void add_key_bind(yutani_globals_t * yg, struct yutani_msg_key_bind * req
}
}
static void adjust_window_opacity(yutani_globals_t * yg, int direction) {
yutani_server_window_t * window = top_at(yg, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE);
if (window) {
window->opacity += direction;
if (window->opacity < 0) {
window->opacity = 0;
}
if (window->opacity > 255) {
window->opacity = 255;
}
mark_window(yg, window);
}
}
static void mouse_start_drag(yutani_globals_t * yg) {
set_focused_at(yg, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE);
yg->mouse_window = get_focused(yg);
@ -1823,6 +1844,10 @@ static void handle_mouse_event(yutani_globals_t * yg, struct yutani_msg_mouse_ev
{
if ((me->event.buttons & YUTANI_MOUSE_BUTTON_LEFT) && (yg->kbd_state.k_alt)) {
mouse_start_drag(yg);
} else if ((me->event.buttons & YUTANI_MOUSE_SCROLL_UP) && (yg->kbd_state.k_alt)) {
adjust_window_opacity(yg, 8);
} else if ((me->event.buttons & YUTANI_MOUSE_SCROLL_DOWN) && (yg->kbd_state.k_alt)) {
adjust_window_opacity(yg, -8);
} else if ((me->event.buttons & YUTANI_MOUSE_BUTTON_RIGHT) && (yg->kbd_state.k_alt)) {
mouse_start_rotate(yg);
} else if ((me->event.buttons & YUTANI_MOUSE_BUTTON_MIDDLE) && (yg->kbd_state.k_alt)) {

2
userspace/gui/compositor/yutani_int.h
View File

@ -70,6 +70,8 @@ typedef struct {
int default_mouse;
uint32_t server_flags;
int opacity;
} yutani_server_window_t;
typedef struct {