From 0dfd5cad77c4b882ea446fee270d21e321d88021 Mon Sep 17 00:00:00 2001
From: Florian Thienel <ftl@thecodingflow.com>
Date: Sun, 26 May 2024 10:50:00 +0200
Subject: [PATCH] allow to select the first 9 matches from the call info via
 the keyboard

---
 core/callinfo/callinfo.go | 14 ++++++++++++--
 core/entry/entry.go       | 13 +++++++++++++
 ui/entryView.go           | 20 ++++++++++++++++++--
 3 files changed, 43 insertions(+), 4 deletions(-)

diff --git a/core/callinfo/callinfo.go b/core/callinfo/callinfo.go
index 228f272..e9e4999 100644
--- a/core/callinfo/callinfo.go
+++ b/core/callinfo/callinfo.go
@@ -45,6 +45,8 @@ type Callinfo struct {
 	lastExchange        []string
 	predictedExchange   []string
 	theirExchangeFields []core.ExchangeField
+
+	bestMatches []string
 }
 
 // DXCCFinder returns a list of matching prefixes for the given string and indicates if there was a match at all.
@@ -112,6 +114,10 @@ func (c *Callinfo) ContestChanged(contest core.Contest) {
 	c.view.SetPredictedExchangeFields(c.theirExchangeFields)
 }
 
+func (c *Callinfo) BestMatches() []string {
+	return c.bestMatches
+}
+
 func (c *Callinfo) PredictedExchange() []string {
 	return c.predictedExchange
 }
@@ -167,9 +173,13 @@ func (c *Callinfo) ShowInfo(call string, band core.Band, mode core.Mode, exchang
 	}
 
 	supercheck := c.calculateSupercheck(call)
+	c.bestMatches = make([]string, 0, len(supercheck))
 	bestMatch := ""
-	if len(supercheck) > 0 {
-		bestMatch = supercheck[0].Callsign.String()
+	for i, match := range supercheck {
+		c.bestMatches = append(c.bestMatches, match.Callsign.String())
+		if i == 0 {
+			bestMatch = c.bestMatches[0]
+		}
 	}
 
 	c.showDXCCEntity(entity)
diff --git a/core/entry/entry.go b/core/entry/entry.go
index 4c1899e..e653b98 100644
--- a/core/entry/entry.go
+++ b/core/entry/entry.go
@@ -73,6 +73,7 @@ type Keyer interface {
 // Callinfo functionality used for QSO entry.
 type Callinfo interface {
 	ShowInfo(call string, band core.Band, mode core.Mode, exchange []string)
+	BestMatches() []string
 	PredictedExchange() []string
 }
 
@@ -374,6 +375,17 @@ func (c *Controller) SetActiveField(field core.EntryField) {
 	c.activeField = field
 }
 
+func (c *Controller) SelectMatch(index int) {
+	matches := c.callinfo.BestMatches()
+	if index < 0 || index >= len(matches) {
+		return
+	}
+
+	c.input.callsign = matches[index]
+	c.enterCallsign(matches[index])
+	c.showInput()
+}
+
 func (c *Controller) Enter(text string) {
 	switch c.activeField {
 	case core.CallsignField:
@@ -968,6 +980,7 @@ func (n *nullLogbook) Log(core.QSO)               {}
 type nullCallinfo struct{}
 
 func (n *nullCallinfo) ShowInfo(string, core.Band, core.Mode, []string) {}
+func (n *nullCallinfo) BestMatches() []string                           { return []string{} }
 func (n *nullCallinfo) PredictedExchange() []string                     { return []string{} }
 
 type nullBandmap struct{}
diff --git a/ui/entryView.go b/ui/entryView.go
index c61c4f2..8ae430c 100644
--- a/ui/entryView.go
+++ b/ui/entryView.go
@@ -19,6 +19,7 @@ type EntryController interface {
 	SetActiveField(core.EntryField)
 
 	Enter(string)
+	SelectMatch(int)
 	SendQuestion()
 	StopTX()
 
@@ -107,7 +108,18 @@ func (v *entryView) addEntryEventHandlers(w *gtk.Widget) {
 func (v *entryView) onEntryKeyPress(_ interface{}, event *gdk.Event) bool {
 	keyEvent := gdk.EventKeyNewFromEvent(event)
 	ctrl := keyEvent.State()&gdk.CONTROL_MASK != 0
-	switch keyEvent.KeyVal() {
+	alt := keyEvent.State()&gdk.MOD1_MASK != 0 // MOD1 = ALT right
+	key := keyEvent.KeyVal()
+
+	switch key {
+	case gdk.KEY_1, gdk.KEY_2, gdk.KEY_3, gdk.KEY_4, gdk.KEY_5, gdk.KEY_6, gdk.KEY_7, gdk.KEY_8, gdk.KEY_9:
+		if alt {
+			index := int(key - gdk.KEY_1)
+			v.controller.SelectMatch(index)
+			return true
+		} else {
+			return false
+		}
 	case gdk.KEY_Tab:
 		v.controller.GotoNextField()
 		return true
@@ -119,7 +131,11 @@ func (v *entryView) onEntryKeyPress(_ interface{}, event *gdk.Event) bool {
 		}
 		return true
 	case gdk.KEY_Return:
-		v.controller.Log()
+		if alt {
+			v.controller.SelectMatch(0)
+		} else {
+			v.controller.Log()
+		}
 		return true
 	case gdk.KEY_question:
 		v.controller.SendQuestion()