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add MwLLSetDarkTheme

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Nishi 2026-04-16 09:35:53 +09:00
commit a2c1489ffb
8 changed files with 57 additions and 1 deletions
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27
src/backend/gdi.c
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@ -8,6 +8,14 @@ typedef struct userdata {
int max_set;
} userdata_t;
static struct symtbl {
void* lib_dwmapi;
HRESULT (WINAPI *DwmSetWindowAttribute)(HWND hwnd, DWORD dwAttribute, LPCVOID pvAttribute, DWORD cbAttribute);
} wsymtbl;
#define DwmSetWindowAttribute wsymtbl.DwmSetWindowAttribute
static void detect_darktheme(MwLL handle) {
DWORD dw;
DWORD sz = sizeof(dw);
@ -26,6 +34,12 @@ static void detect_darktheme(MwLL handle) {
t = dw ? 0 : 1;
if(t && DwmSetWindowAttribute != NULL){
LPARAM style = GetWindowLongPtr(handle->gdi.hWnd, GWL_STYLE);
BOOL v = TRUE;
if(!(style & WS_CHILD)) DwmSetWindowAttribute(handle->gdi.hWnd, 20, &v, sizeof(v));
}
MwLLDispatch(handle, dark_theme, &t);
}
@ -804,7 +818,20 @@ static void MwLLEndStateChangeImpl(MwLL handle) {
(void)handle;
}
static void MwLLSetDarkThemeImpl(MwLL handle, int toggle){
BOOL v = toggle ? TRUE : FALSE;
DwmSetWindowAttribute(handle->gdi.hWnd, 20, &v, sizeof(v));
}
static int MwLLGDICallInitImpl(void) {
memset(&wsymtbl, 0, sizeof(wsymtbl));
wsymtbl.lib_dwmapi = MwDynamicOpen("dwmapi.dll");
if(wsymtbl.lib_dwmapi != NULL) DwmSetWindowAttribute = MwDynamicSymbol(wsymtbl.lib_dwmapi, "DwmSetWindowAttribute");
/* TODO: check properly */
return 0;
}