extract ui setup functions to seperate file

1 files changed, 115 insertions, 0 deletions

diff --git a/ui.go b/ui.go
new file mode 100644
index 0000000..132ae89
--- /dev/null
+++ b/ui.go
@@ -0,0 +1,115 @@
+package main
+
+import (
+	"image"
+	"image/color"
+	"sync"
+
+	"volute/gui"
+	"volute/gui/layout"
+	"volute/gui/widget"
+)
+
+func spawnWidgets(
+	displacementChan chan uint,
+	rpmChan, veChan, imapChan, actChan [POINTS]chan uint,
+	flowChan [POINTS]chan float64,
+	focus *Focus, mux *gui.Mux, wg *sync.WaitGroup,
+) {
+	bounds := layout.Grid{
+		Rows:        []int{2, 7, 7, 7, 7, 7},
+		Background:  color.Gray{255},
+		Gap:         1,
+		Split:       split,
+		SplitRows:   splitRows,
+		Margin:      0,
+		Border:      0,
+		BorderColor: color.Gray{16},
+		Flip:        false,
+	}.Lay(image.Rect(0, 0, WIDTH, HEIGHT))
+
+	wg.Add(1)
+	go widget.Label("displacement (cc)", bounds[0], mux.MakeEnv(), wg)
+	wg.Add(1)
+	go widget.Input(
+		displacementChan,
+		bounds[1],
+		focus.widgets[0][0],
+		mux.MakeEnv(),
+		wg,
+	)
+	wg.Add(1)
+	go widget.Label("speed (rpm)", bounds[2], mux.MakeEnv(), wg)
+	wg.Add(1)
+	go widget.Label("VE (%)", bounds[3+POINTS], mux.MakeEnv(), wg)
+	wg.Add(1)
+	go widget.Label("IMAP (mbar)", bounds[4+2*POINTS], mux.MakeEnv(), wg)
+	wg.Add(1)
+	go widget.Label("ACT (°C)", bounds[5+3*POINTS], mux.MakeEnv(), wg)
+	wg.Add(1)
+	go widget.Label("mass flow (kg/min)", bounds[6+4*POINTS], mux.MakeEnv(), wg)
+	for i := 0; i < POINTS; i++ {
+		wg.Add(1)
+		go widget.Input( // speed
+			rpmChan[i],
+			bounds[3+i],
+			focus.widgets[1][i],
+			mux.MakeEnv(),
+			wg,
+		)
+		wg.Add(1)
+		go widget.Input( // VE
+			veChan[i],
+			bounds[4+POINTS+i],
+			focus.widgets[2][i],
+			mux.MakeEnv(),
+			wg,
+		)
+		wg.Add(1)
+		go widget.Input( // IMAP
+			imapChan[i],
+			bounds[5+2*POINTS+i],
+			focus.widgets[3][i],
+			mux.MakeEnv(),
+			wg,
+		)
+		wg.Add(1)
+		go widget.Input( // ACT
+			actChan[i],
+			bounds[6+3*POINTS+i],
+			focus.widgets[4][i],
+			mux.MakeEnv(),
+			wg,
+		)
+		wg.Add(1)
+		go widget.Output( // mass flow
+			flowChan[i],
+			bounds[7+4*POINTS+i],
+			mux.MakeEnv(),
+			wg,
+		)
+	}
+}
+
+func split(elements int, space int) []int {
+	bounds := make([]int, elements)
+	widths := []int{
+		widget.TextSize(WIDEST_LABEL).X,
+		widget.TextSize("123456").X,
+	}
+	for i := 0; i < elements && space > 0; i++ {
+		bounds[i] = min(widths[min(i, len(widths)-1)], space)
+		space -= bounds[i]
+	}
+	return bounds
+}
+
+func splitRows(elements int, space int) []int {
+	bounds := make([]int, elements)
+	height := widget.TextSize("1").Y
+	for i := 0; i < elements && space > 0; i++ {
+		bounds[i] = min(height, space)
+		space -= bounds[i]
+	}
+	return bounds
+}