From 79fdd35d29a989b41031bce9547974479a3f913c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20=27Necoro=27=20Neumann?= <necoro@necoro.eu>
Date: Tue, 1 Feb 2022 02:24:49 +0100
Subject: GUI: GridLayout

---
 gui.go | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 62 insertions(+), 2 deletions(-)

diff --git a/gui.go b/gui.go
index 8e9af9a..30f8119 100644
--- a/gui.go
+++ b/gui.go
@@ -1,19 +1,79 @@
 package main
 
 import (
+	"time"
+
 	g "github.com/AllenDang/giu"
+	"github.com/AllenDang/imgui-go"
 )
 
+var guiCfg EngardeConfig
+
+type gridLayout struct {
+	size    float32
+	widgets []g.Widget
+	labels  []*g.LabelWidget
+}
+
+type gridLine struct {
+	label  string
+	widget g.Widget
+}
+
+func Line(label string, widget g.Widget) gridLine {
+	return gridLine{label, widget}
+}
+
+func Grid(lines ...gridLine) *gridLayout {
+	var size float32
+	widgets := make([]g.Widget, len(lines))
+	labels := make([]*g.LabelWidget, len(lines))
+
+	for i, line := range lines {
+		labelSize, _ := g.CalcTextSize(line.label)
+		if labelSize > size {
+			size = labelSize
+		}
+
+		labels[i] = g.Label(line.label)
+		widgets[i] = line.widget
+	}
+
+	// add a default padding
+	size = size + 10
+
+	return &gridLayout{size, widgets, labels}
+}
+
+func (grid *gridLayout) Build() {
+	for i := range grid.labels {
+		g.AlignTextToFramePadding()
+		grid.labels[i].Build()
+		imgui.SameLineV(grid.size, 0)
+		grid.widgets[i].Build()
+	}
+}
+
 func loop(w *g.MasterWindow) func() {
 	return func() {
 		g.SingleWindow().Layout(
-			g.Align(g.AlignCenter).To(g.Label("Hello")),
-			g.Button("Quit").OnClick(w.Close),
+			g.Align(g.AlignCenter).To(g.Label("Engarde Importer")),
+			g.Spacing(),
+			Grid(
+				Line("Name", g.InputText(&guiCfg.Name)),
+				Line("Beschreibung", g.InputText(&guiCfg.Description)),
+				Line("Wettkampftag", g.DatePicker("##date", &guiCfg.Date).
+					Format("02.01.2006").StartOfWeek(time.Monday).
+					Size(120)),
+			),
+			g.Spacing(),
+			g.Align(g.AlignCenter).To(g.Button("Quit").OnClick(w.Close)),
 		)
 	}
 }
 
 func gui() {
+	guiCfg.Date = time.Now()
 	w := g.NewMasterWindow("Engarde Importer", 400, 200, 0)
 	w.Run(loop(w))
 }
-- 
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