[pmg-devel] [PATCH widget-toolkit 1/2] dark-mode: adjust panel header tool icons

[Stefan Sterz <s.sterz@proxmox.com>]

by brigthenening the icons on a more individual basis some darker ones
can now feature higher contrasts while others won't be too bright.

Signed-off-by: Stefan Sterz <s.sterz@proxmox.com>
---
 src/proxmox-dark/scss/extjs/_panel.scss | 37 +++++++++++++++++++++----
 1 file changed, 32 insertions(+), 5 deletions(-)

diff --git a/src/proxmox-dark/scss/extjs/_panel.scss b/src/proxmox-dark/scss/extjs/_panel.scss
index 217d3f8..a3c9682 100644
--- a/src/proxmox-dark/scss/extjs/_panel.scss
+++ b/src/proxmox-dark/scss/extjs/_panel.scss
@@ -2,15 +2,42 @@
   background-color: $content-background-color;
   border: none;
 
-  // The small navigation elements in the panel header bar e.g. to
-  // collapse a panel
   .x-tool-tool-el {
     background-color: transparent;
-    filter: brightness(120%);
+  }
+}
+
+// The small navigation elements in the panel header bar e.g. to
+// collapse a panel
+.x-tool-img {
+  filter: brightness(175%);
+
+  // these are brighter per default, so they don't need to be
+  // brigthened as much
+  &.x-tool-expand,
+  &.x-tool-collapse,
+  &.x-tool-refresh {
+    filter: brightness(125%);
+  }
+
+  // this icon uses multiple tones, to have them behave appropriatelly
+  // invert them before brightening them
+  &.x-tool-print {
+    filter: invert(100%) hue-rotate(180deg) brightness(125%);
+  }
+
+  .x-tool-over & {
+    filter: brightness(200%);
+  }
+
+  .x-tool-over &.x-tool-expand,
+  .x-tool-over &.x-tool-collapse,
+  .x-tool-over &.x-tool-refresh {
+    filter: brightness(150%);
   }
 
-  .x-tool-over .x-tool-tool-el {
-    filter: brightness(140%);
+  .x-tool-over &.x-tool-print {
+    filter: invert(100%) hue-rotate(180deg) brightness(150%);
   }
 }
 
-- 
2.30.2