Add view:title, view:app_id, view:pid

include/desktop/view.h

@@ -11,10 +11,17 @@
 #include <stdbool.h>
 #include <stdlib.h>
 
+#include <unistd.h>
+
 #include <wayland-server.h>
 #include <wlr/types/wlr_xdg_shell.h>
 #include <wlr/util/edges.h>
 
+enum kiwmi_view_prop {
+    KIWMI_VIEW_PROP_APP_ID,
+    KIWMI_VIEW_PROP_TITLE,
+};
+
 enum kiwmi_view_type {
     KIWMI_VIEW_XDG_SHELL,
 };
@@ -59,10 +66,13 @@ struct kiwmi_view_impl {
         struct kiwmi_view *view,
         wlr_surface_iterator_func_t iterator,
         void *user_data);
+    pid_t (*get_pid)(struct kiwmi_view *view);
     void (
         *get_size)(struct kiwmi_view *view, uint32_t *width, uint32_t *height);
     void (*set_activated)(struct kiwmi_view *view, bool activated);
     void (*set_size)(struct kiwmi_view *view, uint32_t width, uint32_t height);
+    const char *(
+        *get_string_prop)(struct kiwmi_view *view, enum kiwmi_view_prop prop);
     void (*set_tiled)(struct kiwmi_view *view, enum wlr_edges edges);
     struct wlr_surface *(*surface_at)(
         struct kiwmi_view *view,
@@ -77,7 +87,10 @@ void view_for_each_surface(
     struct kiwmi_view *view,
     wlr_surface_iterator_func_t iterator,
     void *user_data);
+pid_t view_get_pid(struct kiwmi_view *view);
 void view_get_size(struct kiwmi_view *view, uint32_t *width, uint32_t *height);
+const char *view_get_app_id(struct kiwmi_view *view);
+const char *view_get_title(struct kiwmi_view *view);
 void view_set_activated(struct kiwmi_view *view, bool activated);
 void view_set_size(struct kiwmi_view *view, uint32_t width, uint32_t height);
 void view_set_tiled(struct kiwmi_view *view, enum wlr_edges edges);

kiwmi/desktop/view.c

@@ -34,6 +34,16 @@ view_for_each_surface(
     }
 }
 
+pid_t
+view_get_pid(struct kiwmi_view *view)
+{
+    if (view->impl->get_pid) {
+        return view->impl->get_pid(view);
+    }
+
+    return -1;
+}
+
 void
 view_get_size(struct kiwmi_view *view, uint32_t *width, uint32_t *height)
 {
@@ -42,6 +52,26 @@ view_get_size(struct kiwmi_view *view, uint32_t *width, uint32_t *height)
     }
 }
 
+const char *
+view_get_app_id(struct kiwmi_view *view)
+{
+    if (view->impl->get_string_prop) {
+        return view->impl->get_string_prop(view, KIWMI_VIEW_PROP_APP_ID);
+    }
+
+    return NULL;
+}
+
+const char *
+view_get_title(struct kiwmi_view *view)
+{
+    if (view->impl->get_string_prop) {
+        return view->impl->get_string_prop(view, KIWMI_VIEW_PROP_TITLE);
+    }
+
+    return NULL;
+}
+
 void
 view_set_activated(struct kiwmi_view *view, bool activated)
 {

kiwmi/desktop/xdg_shell.c

@@ -7,6 +7,8 @@
 
 #include "desktop/xdg_shell.h"
 
+#include <unistd.h>
+
 #include <wlr/types/wlr_xdg_shell.h>
 #include <wlr/util/edges.h>
 #include <wlr/util/log.h>
@@ -104,6 +106,17 @@ xdg_shell_view_for_each_surface(
     wlr_xdg_surface_for_each_surface(view->xdg_surface, iterator, user_data);
 }
 
+static pid_t
+xdg_shell_view_get_pid(struct kiwmi_view *view)
+{
+    struct wl_client *client = view->xdg_surface->client->client;
+
+    pid_t pid;
+    wl_client_get_credentials(client, &pid, NULL, NULL);
+
+    return pid;
+}
+
 static void
 xdg_shell_view_get_size(
     struct kiwmi_view *view,
@@ -116,6 +129,21 @@ xdg_shell_view_get_size(
     *height = geom->height;
 }
 
+static const char *
+xdg_shell_view_get_string_prop(
+    struct kiwmi_view *view,
+    enum kiwmi_view_prop prop)
+{
+    switch (prop) {
+    case KIWMI_VIEW_PROP_APP_ID:
+        return view->xdg_surface->toplevel->title;
+    case KIWMI_VIEW_PROP_TITLE:
+        return view->xdg_surface->toplevel->title;
+    default:
+        return NULL;
+    }
+}
+
 static void
 xdg_shell_view_set_activated(struct kiwmi_view *view, bool activated)
 {
@@ -151,7 +179,9 @@ xdg_shell_view_surface_at(
 static const struct kiwmi_view_impl xdg_shell_view_impl = {
     .close            = xdg_shell_view_close,
     .for_each_surface = xdg_shell_view_for_each_surface,
+    .get_pid          = xdg_shell_view_get_pid,
     .get_size         = xdg_shell_view_get_size,
+    .get_string_prop  = xdg_shell_view_get_string_prop,
     .set_activated    = xdg_shell_view_set_activated,
     .set_size         = xdg_shell_view_set_size,
     .set_tiled        = xdg_shell_view_set_tiled,

kiwmi/luak/kiwmi_view.c

@@ -19,6 +19,17 @@
 #include "luak/kiwmi_lua_callback.h"
 #include "server.h"
 
+static int
+l_kiwmi_view_app_id(lua_State *L)
+{
+    struct kiwmi_view *view =
+        *(struct kiwmi_view **)luaL_checkudata(L, 1, "kiwmi_view");
+
+    lua_pushstring(L, view_get_app_id(view));
+
+    return 1;
+}
+
 static int
 l_kiwmi_view_close(lua_State *L)
 {
@@ -82,6 +93,17 @@ l_kiwmi_view_move(lua_State *L)
     return 0;
 }
 
+static int
+l_kiwmi_view_pid(lua_State *L)
+{
+    struct kiwmi_view *view =
+        *(struct kiwmi_view **)luaL_checkudata(L, 1, "kiwmi_view");
+
+    lua_pushinteger(L, view_get_pid(view));
+
+    return 1;
+}
+
 static int
 l_kiwmi_view_pos(lua_State *L)
 {
@@ -194,18 +216,32 @@ l_kiwmi_view_tiled(lua_State *L)
     return luaL_argerror(L, 2, "expected bool or table");
 }
 
+static int
+l_kiwmi_view_title(lua_State *L)
+{
+    struct kiwmi_view *view =
+        *(struct kiwmi_view **)luaL_checkudata(L, 1, "kiwmi_view");
+
+    lua_pushstring(L, view_get_app_id(view));
+
+    return 1;
+}
+
 static const luaL_Reg kiwmi_view_methods[] = {
+    {"app_id", l_kiwmi_view_app_id},
     {"close", l_kiwmi_view_close},
     {"focus", l_kiwmi_view_focus},
     {"hidden", l_kiwmi_view_hidden},
     {"hide", l_kiwmi_view_hide},
     {"move", l_kiwmi_view_move},
     {"on", luaK_callback_register_dispatch},
+    {"pid", l_kiwmi_view_pid},
     {"pos", l_kiwmi_view_pos},
     {"resize", l_kiwmi_view_resize},
     {"show", l_kiwmi_view_show},
     {"size", l_kiwmi_view_size},
     {"tiled", l_kiwmi_view_tiled},
+    {"title", l_kiwmi_view_title},
     {NULL, NULL},
 };