Subject: [PATCH 1/2] gnu: qttools: Install desktop files and icons.

From: Timotej Lazar <[email-masked]>
Date: Wed, 19 Aug 2020 13:53:17 +0200

* gnu/packages/qt.scm (qttools)[phases]: Add 'install-desktop-files.
---
 gnu/packages/qt.scm | 62 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 61 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/qt.scm b/gnu/packages/qt.scm
index ee903ecae9..4ca9786d8b 100644
--- a/gnu/packages/qt.scm
+++ b/gnu/packages/qt.scm
@@ -1185,7 +1185,67 @@ positioning and geolocation plugins.")))
                "1iakl3hlyg51ri1czmis8mmb257b0y1zk2a2knybd3mq69wczc2v"))))
     (arguments
      (substitute-keyword-arguments (package-arguments qtsvg)
-       ((#:tests? _ #f) #f))) ; TODO: Enable the tests
+       ((#:tests? _ #f) #f) ; TODO: Enable the tests
+       ((#:phases phases)
+        `(modify-phases ,phases
+           (add-after 'install 'install-desktop-files
+             (lambda* (#:key outputs #:allow-other-keys)
+               (let* ((out (assoc-ref outputs "out"))
+                      (apps (string-append out "/share/applications"))
+                      (icons (string-append out "/share/icons/hicolor")))
+                 ;; Install icons.
+                 (with-directory-excursion "src"
+                   (for-each
+                    (lambda (icon)
+                      ;; Get name and size from the slightly inconsistent filenames.
+                      (let* ((parts (string-split (basename icon ".png") #\-))
+                             (name (car parts))
+                             (size (if (> (length parts) 1) (cadr parts) "32"))
+                             (dest (string-append icons "/" size "x" size "/apps")))
+                        (mkdir-p dest)
+                        (copy-file icon (string-append dest "/" name ".png"))))
+                    '("assistant/assistant/images/assistant.png"
+                      "assistant/assistant/images/assistant-128.png"
+                      "designer/src/designer/images/designer.png"
+                      "linguist/linguist/images/icons/linguist-16-32.png"
+                      "linguist/linguist/images/icons/linguist-32-32.png"
+                      "linguist/linguist/images/icons/linguist-48-32.png"
+                      "linguist/linguist/images/icons/linguist-64-32.png"
+                      "linguist/linguist/images/icons/linguist-128-32.png"
+                      "qdbus/qdbusviewer/images/qdbusviewer.png"
+                      "qdbus/qdbusviewer/images/qdbusviewer-128.png")))
+                 ;; Install desktop files.
+                 (make-desktop-entry-file
+                  (string-append apps "/assistant.desktop")
+                  #:name "Qt Assistant"
+                  #:comment "Browse Qt documentation and examples"
+                  #:exec "assistant"
+                  #:icon "assistant"
+                  #:categories '("Qt" "Development" "Documentation"))
+                 (make-desktop-entry-file
+                  (string-append apps "/designer.desktop")
+                  #:name "Qt Designer"
+                  #:comment "Design GUIs for Qt applications"
+                  #:exec "designer"
+                  #:icon "designer"
+                  #:categories '("Qt" "Development" "GUIDesigner")
+                  #:mime-type '("application/x-designer"))
+                 (make-desktop-entry-file
+                  (string-append apps "/linguist.desktop")
+                  #:name "Qt Linguist"
+                  #:comment "Translate Qt applications"
+                  #:exec "linguist"
+                  #:icon "linguist"
+                  #:categories '("Qt" "Development" "Translation")
+                  #:mime-type '("application/x-linguist"))
+                 (make-desktop-entry-file
+                  (string-append apps "/qdbusviewer.desktop")
+                  #:name "Qt D-Bus viewer"
+                  #:comment "Browse D-Bus objects and messages"
+                  #:exec "qdbusviewer"
+                  #:icon "qdbusviewer"
+                  #:categories '("Qt" "Development")))
+               #t))))))
     (native-inputs
      `(("perl" ,perl)
        ("qtdeclarative" ,qtdeclarative)
-- 
2.28.0