Wallpaper (Windows): add new module

src/common/init.c

@@ -109,6 +109,7 @@ static void defaultConfig(FFinstance* instance)
     initModuleArg(&instance->config.date);
     initModuleArg(&instance->config.time);
     initModuleArg(&instance->config.vulkan);
+    initModuleArg(&instance->config.wallpaper);
     initModuleArg(&instance->config.openGL);
     initModuleArg(&instance->config.openCL);
     initModuleArg(&instance->config.users);
@@ -369,6 +370,7 @@ static void destroyConfig(FFinstance* instance)
     destroyModuleArg(&instance->config.locale);
     destroyModuleArg(&instance->config.localIP);
     destroyModuleArg(&instance->config.publicIP);
+    destroyModuleArg(&instance->config.wallpaper);
     destroyModuleArg(&instance->config.weather);
     destroyModuleArg(&instance->config.wifi);
     destroyModuleArg(&instance->config.player);

src/detection/wallpaper/wallpaper.h

@@ -0,0 +1,10 @@
+#pragma once
+
+#ifndef FF_INCLUDED_detection_wallpaper
+#define FF_INCLUDED_detection_wallpaper
+
+#include "fastfetch.h"
+
+const char* ffDetectWallpaper(const FFinstance* instance, FFstrbuf* result);
+
+#endif

src/detection/wallpaper/wallpaper_nosupport.c

@@ -0,0 +1,6 @@
+#include "wallpaper.h"
+
+const char* ffDetectWallpaper(FF_MAYBE_UNUSED const FFinstance* instance, FF_MAYBE_UNUSED FFstrbuf* result)
+{
+    return "Not supported on this platform";
+}

src/detection/wallpaper/wallpaper_windows.c

@@ -0,0 +1,14 @@
+#include "wallpaper.h"
+#include "util/windows/registry.h"
+
+const char* ffDetectWallpaper(FF_MAYBE_UNUSED const FFinstance* instance, FFstrbuf* result)
+{
+    FF_HKEY_AUTO_DESTROY hKey = NULL;
+    if(!ffRegOpenKeyForRead(HKEY_CURRENT_USER, L"Control Panel\\Desktop", &hKey, NULL))
+        return "ffRegOpenKeyForRead(Control Panel\\Desktop) failed";
+
+    if(!ffRegReadStrbuf(hKey, L"WallPaper", result, NULL))
+        return "ffRegReadStrbuf(WallPaper) failed";
+
+    return NULL;
+}

src/fastfetch.c

@@ -223,6 +223,12 @@ static inline void printCommandHelp(const char* command)
             "Combined icons"
         );
     }
+    else if(strcasecmp(command, "wallpaper-format") == 0)
+    {
+        constructAndPrintCommandHelpFormat("wallpaper", "{}", 1,
+            "Wallpaper image file"
+        );
+    }
     else if(strcasecmp(command, "font-format") == 0)
     {
         constructAndPrintCommandHelpFormat("font", "{} [QT], {} [GTK2], {} [GTK3], {} [GTK4]", 4,
@@ -1145,6 +1151,7 @@ static void parseOption(FFinstance* instance, FFdata* data, const char* key, con
     else if(optionParseModuleArgs(key, value, "wm-theme", &instance->config.wmTheme)) {}
     else if(optionParseModuleArgs(key, value, "theme", &instance->config.theme)) {}
     else if(optionParseModuleArgs(key, value, "icons", &instance->config.icons)) {}
+    else if(optionParseModuleArgs(key, value, "wallpaper", &instance->config.wallpaper)) {}
     else if(optionParseModuleArgs(key, value, "font", &instance->config.font)) {}
     else if(optionParseModuleArgs(key, value, "cursor", &instance->config.cursor)) {}
     else if(optionParseModuleArgs(key, value, "terminal", &instance->config.terminal)) {}
@@ -1450,6 +1457,8 @@ static void parseStructureCommand(FFinstance* instance, FFdata* data, const char
         ffPrintWMTheme(instance);
     else if(strcasecmp(line, "icons") == 0)
         ffPrintIcons(instance);
+    else if(strcasecmp(line, "wallpaper") == 0)
+        ffPrintWallpaper(instance);
     else if(strcasecmp(line, "font") == 0)
         ffPrintFont(instance);
     else if(strcasecmp(line, "cursor") == 0)

src/fastfetch.h

@@ -130,6 +130,7 @@ typedef struct FFconfig
     FFModuleArgs shell;
     FFModuleArgs display;
     FFModuleArgs de;
+    FFModuleArgs wallpaper;
     FFModuleArgs wifi;
     FFModuleArgs wm;
     FFModuleArgs wmTheme;
@@ -318,6 +319,7 @@ void ffPrintWM(FFinstance* instance);
 void ffPrintWMTheme(FFinstance* instance);
 void ffPrintTheme(FFinstance* instance);
 void ffPrintIcons(FFinstance* instance);
+void ffPrintWallpaper(FFinstance* instance);
 void ffPrintFont(FFinstance* instance);
 void ffPrintCursor(FFinstance* instance);
 void ffPrintTerminal(FFinstance* instance);

src/modules/wallpaper.c

@@ -0,0 +1,31 @@
+#include "fastfetch.h"
+#include "common/printing.h"
+#include "detection/wallpaper/wallpaper.h"
+
+#define FF_WALLPAPER_MODULE_NAME "Wallpaper"
+#define FF_WALLPAPER_NUM_FORMAT_ARGS 1
+
+void ffPrintWallpaper(FFinstance* instance)
+{
+    FF_STRBUF_AUTO_DESTROY wallpaper;
+    ffStrbufInit(&wallpaper);
+    const char* error = ffDetectWallpaper(instance, &wallpaper);
+
+    if(error)
+    {
+        ffPrintError(instance, FF_WALLPAPER_MODULE_NAME, 0, &instance->config.wallpaper, "%s", error);
+        return;
+    }
+
+    if(instance->config.wallpaper.outputFormat.length == 0)
+    {
+        ffPrintLogoAndKey(instance, FF_WALLPAPER_MODULE_NAME, 0, &instance->config.wallpaper.key);
+        ffStrbufPutTo(&wallpaper, stdout);
+    }
+    else
+    {
+        ffPrintFormat(instance, FF_WALLPAPER_MODULE_NAME, 0, &instance->config.wallpaper, FF_WALLPAPER_NUM_FORMAT_ARGS, (FFformatarg[]){
+            {FF_FORMAT_ARG_TYPE_STRBUF, &wallpaper}
+        });
+    }
+}