5 files changed, 37 insertions, 0 deletions
diff --git a/pkgs/applications/graphics/cloudcompare/default.nix b/pkgs/applications/graphics/cloudcompare/default.nix
index 6a8e973c1bebd..f2d008f7492bd 100644
--- a/pkgs/applications/graphics/cloudcompare/default.nix
+++ b/pkgs/applications/graphics/cloudcompare/default.nix
@@ -95,6 +95,15 @@ mkDerivation rec {
 
   dontWrapGApps = true;
 
+  postInstall = ''
+    install -Dm444 $src/snap/gui/{ccViewer,cloudcompare}.png -t $out/share/icons/hicolor/256x256/apps
+    install -Dm444 $src/snap/gui/{ccViewer,cloudcompare}.desktop -t $out/share/applications
+    substituteInPlace $out/share/applications/{ccViewer,cloudcompare}.desktop \
+      --replace 'Exec=cloudcompare.' 'Exec=' \
+      --replace 'Icon=''${SNAP}/meta/gui/' 'Icon=' \
+      --replace '.png' ""
+  '';
+
   # fix file dialogs crashing on non-NixOS (and avoid double wrapping)
   preFixup = ''
     qtWrapperArgs+=("''${gappsWrapperArgs[@]}")
diff --git a/pkgs/applications/graphics/epick/default.nix b/pkgs/applications/graphics/epick/default.nix
index fd767e356f12c..c27cbf94476b5 100644
--- a/pkgs/applications/graphics/epick/default.nix
+++ b/pkgs/applications/graphics/epick/default.nix
@@ -41,6 +41,12 @@ rustPlatform.buildRustPackage rec {
     AppKit
   ];
 
+  postInstall = ''
+    install -Dm444 assets/epick.desktop -t $out/share/applications
+    install -Dm444 assets/icon.svg $out/share/icons/hicolor/scalable/apps/epick.svg
+    install -Dm444 assets/icon.png $out/share/icons/hicolor/48x48/apps/epick.png
+  '';
+
   postFixup = lib.optionalString stdenv.isLinux ''
     patchelf $out/bin/epick --add-rpath ${lib.makeLibraryPath [ libGL ]}
   '';
diff --git a/pkgs/applications/graphics/goxel/default.nix b/pkgs/applications/graphics/goxel/default.nix
index 16b3a8c5037b1..cf3a31a1d4bf1 100644
--- a/pkgs/applications/graphics/goxel/default.nix
+++ b/pkgs/applications/graphics/goxel/default.nix
@@ -21,6 +21,14 @@ stdenv.mkDerivation rec {
 
   installPhase = ''
     install -D ./goxel $out/bin/goxel
+
+    for res in $(ls data/icons | sed -e 's/icon//g' -e 's/.png//g'); do
+      install -Dm444 data/icons/icon$res.png $out/share/icons/hicolor/''${res}x''${res}/apps/goxel.png
+    done
+
+    install -Dm444 snap/gui/goxel.desktop -t $out/share/applications
+    substituteInPlace $out/share/applications/goxel.desktop \
+      --replace 'Icon=''${SNAP}/icon.png' 'Icon=goxel'
   '';
 
   meta = with lib; {
diff --git a/pkgs/applications/graphics/oculante/default.nix b/pkgs/applications/graphics/oculante/default.nix
index 676cb3452afaa..1351f711f56d0 100644
--- a/pkgs/applications/graphics/oculante/default.nix
+++ b/pkgs/applications/graphics/oculante/default.nix
@@ -66,6 +66,11 @@ rustPlatform.buildRustPackage rec {
     "--skip=bench"
   ];
 
+  postInstall = ''
+    install -Dm444 $src/res/oculante.png -t $out/share/icons/hicolor/128x128/apps/
+    install -Dm444 $src/res/oculante.desktop -t $out/share/applications
+  '';
+
   postFixup = lib.optionalString stdenv.isLinux ''
     patchelf $out/bin/oculante --add-rpath ${lib.makeLibraryPath [ libxkbcommon libX11 ]}
   '';
diff --git a/pkgs/applications/graphics/pizarra/default.nix b/pkgs/applications/graphics/pizarra/default.nix
index ccf21d630e649..f9d7fc650647d 100644
--- a/pkgs/applications/graphics/pizarra/default.nix
+++ b/pkgs/applications/graphics/pizarra/default.nix
@@ -30,6 +30,15 @@ rustPlatform.buildRustPackage rec {
 
   buildInputs = [ gtk3-x11 atk glib librsvg ];
 
+  postInstall = ''
+    install -Dm444 res/icons/tk.categulario.pizarra.svg $out/share/icons/hicolor/scalable/apps/pizarra.svg
+    install -Dm444 res/pizarra.desktop -t $out/share/applications
+    substituteInPlace $out/share/applications/pizarra.desktop \
+      --replace "TryExec=/usr/bin/" "TryExec=" \
+      --replace "Exec=/usr/bin/" "Exec=" \
+      --replace "Icon=/usr/share/icons/hicolor/scalable/apps/pizarra.svg" "Icon=pizarra"
+  '';
+
   meta = with lib; {
     description = "A simple blackboard written in GTK";
     longDescription = ''