From e05fd5a4d49742ef00a34e55bf5ba5c1fe91c3d2 Mon Sep 17 00:00:00 2001
From: Philipp Gesang <phg@phi-gamma.net>
Date: Thu, 18 Aug 2022 06:21:05 +0200
Subject: edit: implement color box selection

---
 src/edit.rs | 35 +++++++++++++++++++++++++++++++----
 1 file changed, 31 insertions(+), 4 deletions(-)

diff --git a/src/edit.rs b/src/edit.rs
index b5b35ac..0e62267 100644
--- a/src/edit.rs
+++ b/src/edit.rs
@@ -10,6 +10,7 @@ slint::slint! {
     import { HorizontalBox, VerticalBox } from "std-widgets.slint";
 
     export global Aux := {
+        property<int> selected: 0;
         callback format-rgb-hex(color) -> string;
     }
 
@@ -22,6 +23,8 @@ slint::slint! {
             rgb(  0,   0,   0),
         ];
 
+        property<int> base: 0;
+
         squares := HorizontalBox {
             width      : 100%;
             height     : 20px;
@@ -30,11 +33,12 @@ slint::slint! {
                 property <color> current-color : col;
                 width        : (squares.width / 8) - 12px;
                 height       : (squares.width / 8) - 12px;
-                border-color : ptouch.has-hover ? #eeeeee : #333333;
+                border-color :  i == (Aux.selected - base) ? #cb4b16 : #839496;
                 border-width : 3px;
                 forward-focus: pval;
 
                 ptouch := TouchArea {
+                    clicked => { Aux.selected = base + i; }
                 }
 
                 prect := Rectangle {
@@ -46,6 +50,7 @@ slint::slint! {
 
                     VerticalBox {
                         pdesc := Text {
+                            /* Text will be set through callback from Rust. */
                             text : i;
                         }
                         Rectangle {
@@ -79,6 +84,15 @@ slint::slint! {
                 if (event.text == "q") {
                     user-quit();
                 }
+                if (event.text == "	") {
+                    if (event.modifiers.shift) {
+                        debug("select prev");
+                        color-vbox.select-prev();
+                    } else {
+                        debug("select next");
+                        color-vbox.select-next();
+                    }
+                }
                 if (event.modifiers.control) {
                     //debug("control was pressed during this event");
                 }
@@ -89,6 +103,19 @@ slint::slint! {
         color-vbox := VerticalBox {
             alignment: start;
 
+            callback select-prev();
+            callback select-next();
+
+            select-prev () => {
+                Aux.selected = Aux.selected == 0 ? 15 : Aux.selected - 1;
+                debug ("selected previous, now", Aux.selected);
+            }
+
+            select-next () => {
+                Aux.selected = mod (Aux.selected + 1, 16);
+                debug ("selected next, now", Aux.selected);
+            }
+
             status := HorizontalBox {
                 width : 100%;
 
@@ -100,9 +127,11 @@ slint::slint! {
             }
 
             primary-colors := Colors {
+                base : 0;
             }
 
             secondary-colors := Colors {
+                base : 8;
             }
         }
     }
@@ -142,9 +171,7 @@ impl Edit
 
         let gui = GuiEdit::new();
 
-        gui.on_user_quit(move || {
-            std::process::exit(0);
-        });
+        gui.on_user_quit (move || { std::process::exit(0); });
 
         gui.global::<Aux>().on_format_rgb_hex(|col| {
             let x = (col.red() as u32) << 2
-- 
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