Add GTK application implementation

internal/gui/connectionpanel.go

@@ -0,0 +1,58 @@
+package gui
+
+import (
+	"github.com/diamondburned/gotk4-adwaita/pkg/adw"
+	"github.com/diamondburned/gotk4/pkg/gtk/v4"
+	"suruatoel.xyz/mcg/data"
+)
+
+type connectionPanel struct {
+	*adw.Bin
+
+	hostEntry     *adw.EntryRow
+	portSpinner   *gtk.SpinButton
+	passwordEntry *adw.PasswordEntryRow
+}
+
+func newConnectionPanel(config Configuration) *connectionPanel {
+	panel := connectionPanel{}
+	panel.loadWidgets()
+	panel.loadDefaultValues(config)
+	panel.connectSignals()
+
+	return &panel
+}
+
+func (p *connectionPanel) loadWidgets() {
+	builder := gtk.NewBuilderFromString(data.ConnectionPanelXML)
+
+	p.Bin = builder.GetObject("McgConnectionPanel").Cast().(*adw.Bin)
+	p.hostEntry = builder.GetObject("host_row").Cast().(*adw.EntryRow)
+	p.portSpinner = builder.GetObject("port_spinner").Cast().(*gtk.SpinButton)
+	p.passwordEntry = builder.GetObject("password_row").Cast().(*adw.PasswordEntryRow)
+}
+
+func (p *connectionPanel) connectSignals() {
+	p.hostEntry.ConnectApply(p.callback)
+	p.portSpinner.ConnectValueChanged(p.callback)
+	p.passwordEntry.ConnectApply(p.callback)
+}
+
+func (p *connectionPanel) loadDefaultValues(config Configuration) {
+	p.hostEntry.SetText(config.Host)
+	p.portSpinner.SetValue(float64(config.Port))
+	p.passwordEntry.SetText(config.Password)
+}
+
+func (p *connectionPanel) UpdateConfig(config *Configuration) {
+	config.Host = p.hostEntry.Text()
+	config.Port = uint64(p.portSpinner.Value())
+	config.Password = p.passwordEntry.Text()
+}
+
+func (p *connectionPanel) callback() {
+}
+
+func (p *connectionPanel) ConnectionDetails() (string, int, string) {
+	return p.hostEntry.Text(), p.portSpinner.ValueAsInt(), p.passwordEntry.Text()
+}