*
*/
void ewmh_update_current_desktop(void) {
- Con *focused_ws = con_get_workspace(focused);
- Con *output;
- uint32_t idx = 0;
- /* We count to get the index of this workspace because named workspaces
- * don’t have the ->num property */
- TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
- Con *ws;
- TAILQ_FOREACH(ws, &(output_get_content(output)->nodes_head), nodes) {
- if (STARTS_WITH(ws->name, "__"))
- continue;
-
- if (ws == focused_ws) {
- xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
- A__NET_CURRENT_DESKTOP, XCB_ATOM_CARDINAL, 32, 1, &idx);
- return;
- }
- ++idx;
- }
+ const uint32_t idx = ewmh_get_workspace_index(focused);
+ if (idx != NET_WM_DESKTOP_NONE) {
+ xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A__NET_CURRENT_DESKTOP, XCB_ATOM_CARDINAL, 32, 1, &idx);
}
}
A__NET_DESKTOP_VIEWPORT, XCB_ATOM_CARDINAL, 32, current_position, &viewports);
}
+static void ewmh_update_wm_desktop_recursively(Con *con, const uint32_t desktop) {
+ /* Recursively call this to descend through the entire subtree. */
+ Con *child;
+ TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
+ ewmh_update_wm_desktop_recursively(child, desktop);
+ }
+ /* If con is a workspace, we also need to go through the floating windows on it. */
+ if (con->type == CT_WORKSPACE) {
+ TAILQ_FOREACH(child, &(con->floating_head), floating_windows) {
+ ewmh_update_wm_desktop_recursively(child, desktop);
+ }
+ }
+
+ if (!con_has_managed_window(con))
+ return;
+
+ const xcb_window_t window = con->window->id;
+
+ uint32_t wm_desktop = desktop;
+ /* Sticky windows are only actually sticky when they are floating or inside
+ * a floating container. This is technically still slightly wrong, since
+ * sticky windows will only be on all workspaces on this output, but we
+ * ignore multi-monitor situations for this since the spec isn't too
+ * precise on this anyway. */
+ if (con_is_sticky(con) && con_is_floating(con)) {
+ wm_desktop = NET_WM_DESKTOP_ALL;
+ }
+
+ /* If this is the cached value, we don't need to do anything. */
+ if (con->window->wm_desktop == wm_desktop)
+ return;
+ con->window->wm_desktop = wm_desktop;
+
+ if (wm_desktop != NET_WM_DESKTOP_NONE) {
+ DLOG("Setting _NET_WM_DESKTOP = %d for window 0x%08x.\n", wm_desktop, window);
+ xcb_change_property(conn, XCB_PROP_MODE_REPLACE, window, A__NET_WM_DESKTOP, XCB_ATOM_CARDINAL, 32, 1, &wm_desktop);
+ } else {
+ /* If we can't determine the workspace index, delete the property. We'd
+ * rather not set it than lie. */
+ ELOG("Failed to determine the proper EWMH desktop index for window 0x%08x, deleting _NET_WM_DESKTOP.\n", window);
+ xcb_delete_property(conn, window, A__NET_WM_DESKTOP);
+ }
+}
+
+/*
+ * Updates _NET_WM_DESKTOP for all windows.
+ * A request will only be made if the cached value differs from the calculated value.
+ *
+ */
+void ewmh_update_wm_desktop(void) {
+ uint32_t desktop = 0;
+
+ Con *output;
+ TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
+ Con *workspace;
+ TAILQ_FOREACH(workspace, &(output_get_content(output)->nodes_head), nodes) {
+ if (con_is_internal(workspace))
+ continue;
+
+ ewmh_update_wm_desktop_recursively(workspace, desktop);
+ ++desktop;
+ }
+ }
+}
+
/*
* Updates _NET_ACTIVE_WINDOW with the currently focused window.
*
/* I’m not entirely sure if we need to keep _NET_WM_NAME on root. */
xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A__NET_WM_NAME, A_UTF8_STRING, 8, strlen("i3"), "i3");
- /* only send the first 31 atoms (last one is _NET_CLOSE_WINDOW) increment that number when adding supported atoms */
+ /* only send the first 32 atoms (last one is _NET_CLOSE_WINDOW) increment that number when adding supported atoms */
xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A__NET_SUPPORTED, XCB_ATOM_ATOM, 32, /* number of atoms */ 32, supported_atoms);
/* We need to map this window to be able to set the input focus to it if no other window is available to be focused. */
xcb_map_window(conn, ewmh_window);
xcb_configure_window(conn, ewmh_window, XCB_CONFIG_WINDOW_STACK_MODE, (uint32_t[]){XCB_STACK_MODE_BELOW});
}
+
+/*
+ * Returns the workspace container as enumerated by the EWMH desktop model.
+ * Returns NULL if no workspace could be found for the index.
+ *
+ * This is the reverse of ewmh_get_workspace_index.
+ *
+ */
+Con *ewmh_get_workspace_by_index(uint32_t idx) {
+ if (idx == NET_WM_DESKTOP_NONE)
+ return NULL;
+
+ uint32_t current_index = 0;
+
+ Con *output;
+ TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
+ Con *workspace;
+ TAILQ_FOREACH(workspace, &(output_get_content(output)->nodes_head), nodes) {
+ if (con_is_internal(workspace))
+ continue;
+
+ if (current_index == idx)
+ return workspace;
+
+ ++current_index;
+ }
+ }
+
+ return NULL;
+}
+
+/*
+ * Returns the EWMH desktop index for the workspace the given container is on.
+ * Returns NET_WM_DESKTOP_NONE if the desktop index cannot be determined.
+ *
+ * This is the reverse of ewmh_get_workspace_by_index.
+ *
+ */
+uint32_t ewmh_get_workspace_index(Con *con) {
+ uint32_t index = 0;
+
+ Con *workspace = con_get_workspace(con);
+ Con *output;
+ TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
+ Con *current;
+ TAILQ_FOREACH(current, &(output_get_content(output)->nodes_head), nodes) {
+ if (con_is_internal(current))
+ continue;
+
+ if (current == workspace)
+ return index;
+
+ ++index;
+ }
+ }
+
+ return NET_WM_DESKTOP_NONE;
+}
projects / i3 / i3 / blobdiff