From 6798b1f11af54469b63afc612a0454ed7227679d Mon Sep 17 00:00:00 2001
From: Lior Halphon <LIJI32@gmail.com>
Date: Sun, 31 Jan 2021 19:17:48 +0200
Subject: [PATCH] Use a slider for temperature in the SDL GUI

---
 SDL/font.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 SDL/font.h |  2 ++
 SDL/gui.c  | 26 ++++-----------------
 3 files changed, 72 insertions(+), 22 deletions(-)

diff --git a/SDL/font.c b/SDL/font.c
index eb6243e..ea2c590 100644
--- a/SDL/font.c
+++ b/SDL/font.c
@@ -1053,6 +1053,72 @@ uint8_t font[] = {
     X, _, _, _, X, _,
     X, _, _, _, X, _,
     X, X, X, X, X, _,
+    
+    /* Slider */
+    _, _, _, _, _, _,
+    _, _, _, _, _, _,
+    _, _, _, _, _, _,
+    _, _, X, X, X, X,
+    _, _, _, _, _, _,
+    _, _, _, _, _, _,
+    _, _, _, _, _, _,
+    _, _, _, _, _, _,
+    
+    _, _, _, _, _, _,
+    _, _, _, _, _, _,
+    _, _, _, _, _, _,
+    X, X, X, X, X, X,
+    _, _, _, _, _, _,
+    _, _, _, _, _, _,
+    _, _, _, _, _, _,
+    _, _, _, _, _, _,
+    
+    _, _, _, _, _, _,
+    _, _, _, _, _, _,
+    _, _, _, _, _, _,
+    X, X, X, _, _, _,
+    _, _, _, _, _, _,
+    _, _, _, _, _, _,
+    _, _, _, _, _, _,
+    _, _, _, _, _, _,
+    
+    /* Slider, selected */
+    _, X, X, X, _, _,
+    _, X, X, X, _, _,
+    _, X, X, X, _, _,
+    _, X, X, X, X, X,
+    _, X, X, X, _, _,
+    _, X, X, X, _, _,
+    _, _, X, _, _, _,
+    _, _, _, _, _, _,
+    
+    _, X, X, X, _, _,
+    _, X, X, X, _, _,
+    _, X, X, X, _, _,
+    X, X, X, X, X, X,
+    _, X, X, X, _, _,
+    _, X, X, X, _, _,
+    _, _, X, _, _, _,
+    _, _, _, _, _, _,
+    
+    _, X, X, X, _, _,
+    _, X, X, X, _, _,
+    _, X, X, X, _, _,
+    X, X, X, X, _, _,
+    _, X, X, X, _, _,
+    _, X, X, X, _, _,
+    _, _, X, _, _, _,
+    _, _, _, _, _, _,
+    
+    /* Slider, tick*/
+    _, _, _, _, _, _,
+    _, _, X, _, _, _,
+    _, _, X, _, _, _,
+    X, X, X, X, X, X,
+    _, _, X, _, _, _,
+    _, _, X, _, _, _,
+    _, _, _, _, _, _,
+    _, _, _, _, _, _,
 };
 
 const uint8_t font_max = sizeof(font) / GLYPH_HEIGHT / GLYPH_WIDTH + ' ';
diff --git a/SDL/font.h b/SDL/font.h
index 06d7adf..f2111c3 100644
--- a/SDL/font.h
+++ b/SDL/font.h
@@ -14,5 +14,7 @@ extern const uint8_t font_max;
 #define CMD_STRING "\x84\x85"
 #define ELLIPSIS_STRING "\x87"
 #define MOJIBAKE_STRING "\x88"
+#define SLIDER_STRING "\x89\x8A\x8A\x8A\x8A\x8A\x8A\x8A\x8A\x8A\x8F\x8A\x8A\x8A\x8A\x8A\x8A\x8A\x8A\x8A\x8B"
+#define SELECTED_SLIDER_STRING "\x8C\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8E"
 #endif /* font_h */
 
diff --git a/SDL/gui.c b/SDL/gui.c
index 0846664..92d9479 100644
--- a/SDL/gui.c
+++ b/SDL/gui.c
@@ -519,28 +519,10 @@ const char *current_color_correction_mode(unsigned index)
 
 const char *current_color_temperature(unsigned index)
 {
-    return (const char *[]){"12000K",
-        "11450K",
-        "10900K",
-        "10350K",
-        "9800K",
-        "9250K",
-        "8700K",
-        "8150K",
-        "7600K",
-        "7050K",
-        "6500K (White)",
-        "5950K",
-        "5400K",
-        "4850K",
-        "4300K",
-        "3750K",
-        "3200K",
-        "2650K",
-        "2100K",
-        "1550K",
-        "1000K"}
-    [configuration.color_temperature];
+    static char ret[22];
+    strcpy(ret, SLIDER_STRING);
+    ret[configuration.color_temperature] = SELECTED_SLIDER_STRING[configuration.color_temperature];
+    return ret;
 }