From 6923d00b4bb8582e8d13daf3a1fab2116ed75478 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Wed, 21 Aug 2019 09:33:27 +0200
Subject: gload: make alpha configurable

---
 gload.1 |  5 +++++
 gload.c | 14 +++++++++++---
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/gload.1 b/gload.1
index 4a6b4ea..d1628a8 100644
--- a/gload.1
+++ b/gload.1
@@ -31,6 +31,11 @@ Config file key: update.
 Font for the label.
 .br
 Config file key: fontname.
+.TP
+.BI -alpha " percent"
+Load bar opacity.  Default: 60.
+.br
+Config file key: alpha.
 \#
 \#
 .SH "CONFIG FILE"
diff --git a/gload.c b/gload.c
index 6575461..764f239 100644
--- a/gload.c
+++ b/gload.c
@@ -20,6 +20,7 @@
 #define GLOAD_CFG_KEY_UPDATE            "update"
 #define GLOAD_CFG_KEY_HIGHLIGHT         "highlight"
 #define GLOAD_CFG_KEY_FONTNAME          "fontname"
+#define GLOAD_CFG_KEY_ALPHA             "alpha"
 
 static const gcfg_opt gload_opts[] = {
     /* xload style */
@@ -32,6 +33,7 @@ static const gcfg_opt gload_opts[] = {
 
     /* gload only */
     { .opt = "font",          .key = GLOAD_CFG_KEY_FONTNAME      },
+    { .opt = "alpha",         .key = GLOAD_CFG_KEY_ALPHA         },
 };
 
 /* ------------------------------------------------------------------------ */
@@ -132,7 +134,7 @@ static gboolean gload_draw(GtkWidget *widget, cairo_t *cr, gpointer data)
     gload *gl = data;
     GtkStyleContext *context;
     GdkRGBA normal, dimmed;
-    const char *highlight;
+    const char *highlight, *alpha;
     guint width, height, i, idx, max;
 
     context = gtk_widget_get_style_context(widget);
@@ -145,9 +147,15 @@ static gboolean gload_draw(GtkWidget *widget, cairo_t *cr, gpointer data)
     } else {
         gtk_style_context_get_color(context, GTK_STATE_FLAG_NORMAL, &normal);
     }
-    dimmed = normal;
     normal.alpha = 1.0;
-    dimmed.alpha = 0.6;
+
+    dimmed = normal;
+    alpha = gcfg_get(gl->cfg, GLOAD_CFG_KEY_ALPHA);
+    if (alpha) {
+        dimmed.alpha = atoi(alpha) / 100.0;
+    } else {
+        dimmed.alpha = 0.6;
+    }
 
     gload_resize(gl, width);
     for (i = 0, max = 0; i < gl->used && i < width; i++) {
-- 
cgit