pyrite-dev/milsko
pyrite-dev/milsko
12
1
Fork 3
Code Issues 5 Pull requests Projects Releases 7 Packages Wiki Activity Actions

gdi: secondary dark theme detction through GetSysColor
All checks were successful
pyrite-dev/milsko/pipeline/head This commit looks good
Details

Browse source
This commit is contained in:
IoIxD 2026-04-27 21:18:16 -07:00
commit 7f98e8cae1
1 changed files with 16 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

17
src/backend/gdi.c
View file

@ -16,6 +16,17 @@ static struct symtbl {
#define DwmSetWindowAttribute wsymtbl.DwmSetWindowAttribute
/* Dark theme detection for classic Windows: check if the user has set their theme to be dark. */
static void detect_darktheme_classictheme(MwLL handle) {
/* Returns NULL on Windows 10+, use this to our advantage to check if the value is supported. */
if(GetSysColorBrush(COLOR_MENU)) {
DWORD col = GetSysColor(COLOR_MENU);
int t = (GetRValue(col) <= 75 && GetGValue(col) <= 75 && GetBValue(col) <= 75);
MwLLDispatch(handle, dark_theme, &t);
}
}
/* Dark theme detection for modern Windows: use the registry to check if dark mode is enabled. */
static void detect_darktheme(MwLL handle) {
DWORD dw;
DWORD sz = sizeof(dw);
@ -24,11 +35,15 @@ static void detect_darktheme(MwLL handle) {
DWORD type;
err = RegOpenKeyEx(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize", 0, KEY_QUERY_VALUE, &hkey);
if(err != ERROR_SUCCESS) return;
if(err != ERROR_SUCCESS) {
detect_darktheme_classictheme(handle);
return;
}
err = RegQueryValueEx(hkey, "AppsUseLightTheme", NULL, &type, (PBYTE)&dw, &sz);
RegCloseKey(hkey);
if(err != ERROR_SUCCESS || type != REG_DWORD) {
detect_darktheme_classictheme(handle);
return;
}