GmDocument: Improvements to color themes

Better light mode, and in dark mode either saturate the background or the foreground, but not both.

1 files changed, 17 insertions, 0 deletions

diff --git a/src/ui/color.h b/src/ui/color.h
index c3cacf77..4f179534 100644
--- a/src/ui/color.h
+++ b/src/ui/color.h
@@ -60,6 +60,23 @@ enum iColorId {
     max_ColorId
 };
 
+iLocalDef isLink_ColorId(enum iColorId d) {
+    return d >= tmBadLink_ColorId;
+}
+iLocalDef isBackground_ColorId(enum iColorId d) {
+    return d == tmBackground_ColorId || d == tmBannerBackground_ColorId;
+}
+iLocalDef isText_ColorId(enum iColorId d) {
+    return d >= tmFirst_ColorId && !isBackground_ColorId(d);
+}
+iLocalDef isLinkText_ColorId(enum iColorId d) {
+    return d == tmLinkText_ColorId || d == tmHypertextLinkText_ColorId ||
+           d == tmGopherLinkText_ColorId;
+}
+iLocalDef isRegularText_ColorId(enum iColorId d) {
+    return isLinkText_ColorId(d) || d == tmParagraph_ColorId || d == tmFirstParagraph_ColorId;
+}
+
 #define mask_ColorId        0x3f
 #define permanent_ColorId   0x80 /* cannot be changed via escapes */