Add: (org-ql-block) Respect Org Agenda restrictions

Fixes #84.  Thanks to Ihor Radchenko (@yantar92) for reporting.

README.org

@@ -398,6 +398,7 @@ Expands into a call to ~org-ql-select~ with the same arguments.  For convenience
 +  Info manual.
 +  Function ~helm-org-ql-source~, which returns a Helm source that searches given buffers/files with ~helm-org-ql~.  It can be used for custom Helm commands that search certain files.
 +  Display a message when views are refreshed.  (Thanks to [[https://github.com/xeijin][xeijin]].)
++  Respect Org Agenda restriction in =org-ql-block=.  (Thanks to [[https://github.com/yantar92][Ihor Radchenko]] for reporting.)
 
 *Fixed*
 +  Inherit file tags when =org-tag-inheritance= is enabled.  (Fixes [[https://github.com/alphapapa/org-ql/issues/55][#55]].  Thanks to [[https://github.com/mskorzhinskiy][Mikhail Skorzhinskiy]].)

org-ql-search.el

@@ -231,9 +231,23 @@ function `org-agenda-files'.  Inserts a newline after the block.
 If `org-ql-block-header' is non-nil, it is used as the header
 string for the block, otherwise a the header is formed
 automatically from the query."
-  (when-let* ((from (org-agenda-files nil 'ifmode))
+  (let (narrow-p old-beg old-end)
+    (when-let* ((from (pcase org-agenda-overriding-restriction
+                        ('nil (org-agenda-files nil 'ifmode))
+                        ('file (get 'org-agenda-files 'org-restrict))
+                        ('subtree (prog1 org-agenda-restrict
+                                    (with-current-buffer org-agenda-restrict
+                                      ;; Narrow the buffer; remember to widen it later.
+                                      (setf old-beg (point-min) old-end (point-max)
+                                            narrow-p t)
+                                      (narrow-to-region org-agenda-restrict-begin org-agenda-restrict-end))))))
                 (items (org-ql-select from query
-                       :action 'element-with-markers)))
+                         :action 'element-with-markers
+                         :narrow narrow-p)))
+      (when narrow-p
+        ;; Restore buffer's previous restrictions.
+        (with-current-buffer from
+          (narrow-to-region old-beg old-end)))
       ;; Not sure if calling the prepare function is necessary, but let's follow the pattern.
       (org-agenda-prepare)
       ;; FIXME: `org-agenda--insert-overriding-header' is from an Org version newer than
@@ -248,7 +262,7 @@ automatically from the query."
            (-map #'org-ql-view--format-element)
            org-agenda-finalize-entries
            insert)
-    (insert "\n")))
+      (insert "\n"))))
 
 ;;;###autoload
 (defalias 'org-ql-block 'org-ql-search-block)

org-ql.info

@@ -723,6 +723,8 @@ File: README.info,  Node: 04-pre,  Next: 032,  Up: Changelog
      for custom Helm commands that search certain files.
    • Display a message when views are refreshed.  (Thanks to xeijin
      (https://github.com/xeijin).)
+   • Respect Org Agenda restriction in org-ql-block.  (Thanks to Ihor
+     Radchenko (https://github.com/yantar92) for reporting.)
 
    *Fixed*
    • Inherit file tags when org-tag-inheritance is enabled.  (Fixes #55
@@ -1028,18 +1030,18 @@ Node: Agenda-like views18025
 Node: Listing / acting-on results19430
 Node: Changelog24032
 Node: 04-pre24569
-Node: 03226689
+Node: 03226822
-Node: 03127070
+Node: 03127203
-Node: 0327265
+Node: 0327398
-Node: 02330238
+Node: 02330371
-Node: 02230464
+Node: 02230597
-Node: 02130730
+Node: 02130863
-Node: 0230927
+Node: 0231060
-Node: 0134960
+Node: 0135093
-Node: Notes35059
+Node: Notes35192
-Node: Comparison with Org Agenda searches35221
+Node: Comparison with Org Agenda searches35354
-Node: org-sidebar36092
+Node: org-sidebar36225
-Node: License36371
+Node: License36504
 
 End Tag Table