[gui] Add build instructions and basic example

.gitignore

 build/embed/VERSION
 release/
+
+bin/
+*.qrc.go

.gitlab-ci.yml

@@ -22,7 +22,7 @@ Unit tests:
   script:
     - "ln -s $(pwd) $GOPATH/src/dfss"
     - "./build/deps.sh"
-    - "cd $GOPATH/src/dfss && go install ./..."
+    - "cd $GOPATH/src/dfss && rm -rf gui && go install ./..."
     - "go test -coverprofile auth.part -v dfss/auth"
     - "go test -coverprofile mgdb.part -v dfss/mgdb"
     - "go test -coverprofile mails.part -v dfss/mails"
@@ -53,7 +53,7 @@ Integration tests:
   script:
     - "ln -s -f $(pwd) $GOPATH/src/dfss"
     - "./build/deps.sh"
-    - "cd $GOPATH/src/dfss && go install ./..."
+    - "cd $GOPATH/src/dfss && rm -rf gui && go install ./..."
     - "go test -v dfss/tests"
 
 Code lint:
@@ -68,7 +68,7 @@ Code lint:
     - "ln -s $(pwd) $GOPATH/src/dfss"
     - "go get github.com/alecthomas/gometalinter"
     - "./build/deps.sh"
-    - "cd $GOPATH/src/dfss && go install ./..."
+    - "cd $GOPATH/src/dfss && rm -rf gui && go install ./..."
     - "gometalinter --install"
     - "gometalinter -t --deadline=600s -j1 --skip=api --skip=fixtures --disable=aligncheck ./..."
 

Makefile

@@ -6,11 +6,37 @@ endif
 
 .PHONY:
 
+install: nocache
+	go install .
+	go install ./dfssc
+	go install ./dfssd
+	go install ./dfssp
+	go install ./dfsst
+
 release: clean build_all package
 
 clean:
 	rm -rf release
 
+# GUI Build (Docker required)
+
+# prepare_gui builds a new container from the goqt image, adding DFSS dependencies for faster builds.
+# call it once or after dependency addition.
+prepare_gui: nocache
+	docker run --name dfss-builder -v ${PWD}:/go/src/dfss -w /go/src/dfss lesterpig/goqt \
+		cp -r ../github.com/visualfc/goqt/bin . && \
+		./build/deps.sh
+	docker commit dfss-builder dfss:builder
+	docker rm dfss-builder
+
+# gui builds the gui component of the dfss project into a docker container, outputing the result in bin/ directory.
+gui: nocache
+	docker run --rm -v ${PWD}:/go/src/dfss -w /go/src/dfss/gui lesterpig/goqt \
+		../bin/goqt_rcc -go main -o application.qrc.go application.qrc && \
+		go build -ldflags "-r ." -o ../bin/gui
+
+# Release internals
+
 build_all:
 	go get github.com/mitchellh/gox
 	gox -os "linux darwin windows" -parallel 1 -output "release/dfss_${VERSION}_{{.OS}}_{{.Arch}}/{{.Dir}}" dfss/dfssc dfss/dfssd dfss/dfssp dfss/dfsst
@@ -30,3 +56,5 @@ protobuf:
 	protoc --go_out=plugins=grpc:. dfss/dfssd/api/demonstrator.proto && \
 	protoc --go_out=plugins=grpc:. dfss/dfssp/api/platform.proto && \
 	protoc --go_out=plugins=grpc:. dfss/dfsst/api/resolution.proto
+
+nocache:

gui/application.qrc

+<RCC>
+  <qresource prefix="/">
+  </qresource>
+</RCC>

gui/main.go

+package main
+
+import "github.com/visualfc/goqt/ui"
+
+func main() {
+	ui.Run(func() {
+		widget := ui.NewWidget()
+
+		label := ui.NewLabel()
+		label.SetText("Welcome on dat fresh DFSS Client!")
+
+		text := ui.NewTextEdit()
+		text.SetText("Edit me!")
+
+		button := ui.NewPushButton()
+		button.SetText("Click me!")
+		button.OnClicked(func() {
+			button.SetText("Clicked!")
+		})
+
+		vbox := ui.NewVBoxLayout()
+		vbox.SetAlignment(ui.Qt_AlignCenter)
+		vbox.AddWidget(label)
+		vbox.AddWidget(text)
+		vbox.AddWidget(button)
+
+		widget.SetWindowTitle("DFSS Client")
+		widget.SetLayout(vbox)
+		widget.SetMinimumWidth(400)
+		widget.SetMinimumHeight(400)
+
+		widget.Show()
+	})
+}