projectview: Only append .qet if not snap or flatpak

It was removed in b121dad for all platforms.
Only disable appending the suffix for the flatpak platform
by testing for the FLATPAK_ID environment variable.

.github/workflows/publish-candidate-snap.yml

@@ -0,0 +1,20 @@
+name: Publish Candidate Snap
+
+on:
+  push:
+    branches:
+      - "snap/latest/candidate"
+  workflow_dispatch:
+
+jobs:
+  publish_amd64:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: snapcore/action-build@v1
+      id: build
+    - uses: snapcore/action-publish@v1
+      with:
+        store_login: ${{ secrets.STORE_LOGIN }}
+        snap: ${{ steps.build.outputs.snap }}
+        release: candidate

build-aux/snap/local/launchers/qelectrotech-launch

@@ -1,15 +1,5 @@
 #!/bin/sh
 
-# a KDE session forces the KDE Plasma platformtheme which is incompatible with QET
-# unset the ENV vars in that case to prevent loading of the theme
-if [ ! -z "$KDE_FULL_SESSION" ]; then
-  unset KDE_FULL_SESSION
-fi
-
-if echo "$XDG_CURRENT_DESKTOP" | grep -q KDE; then
-  unset XDG_CURRENT_DESKTOP
-fi
-
 # migrate .qet directory from SNAP_USER_DATA to SNAP_USER_COMMON
 from="$SNAP_USER_DATA/.qet"
 to="$SNAP_USER_COMMON/.qet"
@@ -23,12 +13,4 @@ fi
 mkdir -p "$HOME/.qet"
 ln -snf "$SNAP/bin/DXFtoQET" "$HOME/.qet/DXFtoQET"
 
-# start desktop portal. Open & save dialogs might fail if it is not running
-dbus-send --print-reply \
-  --dest=org.freedesktop.DBus \
-  /org/freedesktop/DBus \
-  org.freedesktop.DBus.StartServiceByName \
-  string:org.freedesktop.portal.Desktop \
-  uint32:0
-
 exec "${@}"

build-aux/snap/snapcraft.yaml

@@ -1,7 +1,7 @@
 name: qelectrotech
 title: QElectroTech
-base: core18
-adopt-info: qelectrotech
+base: core20
+version: "0.8.0"
 license: GPL-2.0
 summary: Electrical diagram editor
 description: |
@@ -10,10 +10,7 @@ description: |
 
 grade: stable
 confinement: strict
-
-architectures:
-  - build-on: amd64
-    run-on: amd64
+compression: lzo
 
 layout:
   /usr/local/share/qelectrotech:
@@ -30,15 +27,14 @@ apps:
     extensions: [kde-neon]
     plugs: &plugs [opengl, unity7, home, removable-media, gsettings, network, cups-control]
     environment: &env
-      __EGL_VENDOR_LIBRARY_DIRS: $SNAP/kf5/usr/share/glvnd/egl_vendor.d:$SNAP/usr/share/glvnd/egl_vendor.d
       TCL_LIBRARY: $SNAP/usr/share/tcltk/tcl8.6
-      QT_QPA_PLATFORMTHEME: gtk3
-      QT_AUTO_SCREEN_SCALE_FACTOR: 1
       HOME: $SNAP_USER_COMMON
-      PYTHONPATH: $SNAP:$SNAP/lib/python3.6/site-packages:$SNAP/usr/lib/python3.6:$SNAP/usr/lib/python3.6/lib-dynload
+      PYTHONPATH: $SNAP:$SNAP/lib/python3.8/site-packages:$SNAP/usr/lib/python3.8:$SNAP/usr/lib/python3.8/lib-dynload
 
   qet-tb-generator:
-    command: bin/qelectrotech-launch $SNAP/bin/qet_tb_generator
+    command: bin/qet_tb_generator
+    command-chain:
+      - bin/qelectrotech-launch
     extensions: [kde-neon]
     plugs: *plugs
     environment: *env
@@ -58,8 +54,8 @@ parts:
 
   qet-tb-generator:
     plugin: python
-    python-version: python3
-    source: https://github.com/qelectrotech/qet_tb_generator.git
+    source: https://github.com/raulroda/qet_tb_generator-plugin.git
+    python-packages: [PySimpleGUI]
     stage-packages: 
       - python3-lxml
       - python3-tk
@@ -68,14 +64,14 @@ parts:
   kde-sdk-setup:
     plugin: nil
     build-snaps:
-      - kde-frameworks-5-core18-sdk
+      - kde-frameworks-5-qt-5-15-3-core20-sdk
     build-packages:
       - g++
       - mesa-common-dev
       - libglvnd-dev
       - rsync
     override-build: |
-      rsync -a --ignore-existing /snap/kde-frameworks-5-core18-sdk/current/ /
+      rsync -a --ignore-existing /snap/kde-frameworks-5-qt-5-15-3-core20-sdk/current/ /
 
   dxf-to-qet:
     after: [kde-sdk-setup]
@@ -91,19 +87,15 @@ parts:
     after: [kde-sdk-setup]
     plugin: nil
     source: .
-    stage-packages: [ git, sqlite3 ]
+    stage-packages: [ git, sqlite3, xdg-user-dirs ]
     build-packages:
       - git
       - libsqlite3-dev
-    override-pull: |
-      snapcraftctl pull
-      snap_version=$(git describe --dirty)
-      modified_displayed_version=$snap_version".snap"
-      sed -i -E "s|const QString displayedVersion =.*|const QString displayedVersion =\"$modified_displayed_version\";|" sources/qet.h
-      snapcraftctl set-version "$snap_version"
     override-build: |
+      modified_displayed_version="${SNAPCRAFT_PROJECT_VERSION}.snap"
+      sed -i -E "s|const QString displayedVersion =.*|const QString displayedVersion =\"$modified_displayed_version\";|" sources/qet.h
       qmake "$SNAPCRAFT_PART_SRC/qelectrotech.pro"
-      make -j$(nproc)
+      make -j${SNAPCRAFT_PARALLEL_BUILD_COUNT}
       make install INSTALL_ROOT="$SNAPCRAFT_PART_INSTALL"
     override-stage: |
       snapcraftctl stage
@@ -114,11 +106,14 @@ parts:
   cleanup:
     after: [qelectrotech, dxf-to-qet, qet-tb-generator]
     plugin: nil
-    build-snaps: [core18, kde-frameworks-5-core18]
+    build-snaps: [kde-frameworks-5-qt-5-15-3-core20]
     override-prime: |
-      # Remove all files from snap that are already included in the base snap or in
-      # any connected content snaps
       set -eux
-      for snap in "core18" "kde-frameworks-5-core18"; do  # List all content-snaps and base snaps you're using here
-        cd "/snap/$snap/current" && find . -type f,l -exec rm -f "$SNAPCRAFT_PRIME/{}" \;
+      for snap in "kde-frameworks-5-qt-5-15-3-core20"; do  # List all content-snaps you're using here
+        cd "/snap/$snap/current" && find . -type f,l -exec rm -f "$SNAPCRAFT_PRIME/{}" "$SNAPCRAFT_PRIME/usr/{}" \;
       done
+      for cruft in bug lintian man; do
+        rm -rf $SNAPCRAFT_PRIME/usr/share/$cruft
+      done
+      find $SNAPCRAFT_PRIME/usr/share/doc/ -type f -not -name 'copyright' -delete
+      find $SNAPCRAFT_PRIME/usr/share -type d -empty -delete

sources/projectview.cpp

@@ -339,8 +339,11 @@ QString ProjectView::askUserForFilePath(bool assign) {
 	// if no filepath is provided, return an empty string
 	if (filepath.isEmpty()) return(filepath);
 
-//	// if the name does not end with the .qet extension, append it
-//	if (!filepath.endsWith(".qet", Qt::CaseInsensitive)) filepath += ".qet";
+	// if the name does not end with the .qet extension and we're _not_ using xdg-desktop-portal, append it
+	bool usesPortal = 
+		qEnvironmentVariableIsSet("FLATPAK_ID") || 
+		qEnvironmentVariableIsSet("SNAP_NAME");
+	if (!filepath.endsWith(".qet", Qt::CaseInsensitive) && !usesPortal) filepath += ".qet";
 
 	if (assign) {
 		// assign the provided filepath to the currently edited project