Cursor: support Windows (not working yet)

src/detection/cursor/cursor.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#ifndef FF_INCLUDED_detection_cursor_cursor
+#define FF_INCLUDED_detection_cursor_cursor
+
+#include "fastfetch.h"
+
+typedef struct FFCursorResult
+{
+    FFstrbuf theme;
+    FFstrbuf size;
+    FFstrbuf error;
+} FFCursorResult;
+
+void ffDetectCursor(const FFinstance* instance, FFCursorResult* result);
+
+#endif

src/detection/cursor/cursor_linux.c

@@ -0,0 +1,131 @@
+#include "cursor.h"
+
+#include "common/properties.h"
+#include "common/parsing.h"
+#include "common/settings.h"
+#include "detection/gtk.h"
+#include "detection/displayserver/displayserver.h"
+
+#include <stdlib.h>
+
+static void detectCursorGTK(const FFinstance* instance, FFCursorResult* result)
+{
+    const FFGTKResult* gtk = ffDetectGTK4(instance);
+
+    if(gtk->cursor.length == 0)
+        gtk = ffDetectGTK3(instance);
+
+    if(gtk->cursor.length == 0)
+        gtk = ffDetectGTK2(instance);
+
+    if(gtk->cursor.length == 0)
+    {
+        ffStrbufAppendS(&result->error, "Couldn't detect GTK Cursor");
+        return;
+    }
+
+    ffStrbufAppend(&result->theme, &gtk->cursor);
+    ffStrbufAppend(&result->size, &gtk->cursorSize);
+}
+
+static void detectCursorXFCE(const FFinstance* instance, FFCursorResult* result)
+{
+    ffStrbufAppendS(&result->theme, ffSettingsGetXFConf(instance, "xsettings", "/Gtk/CursorThemeName", FF_VARIANT_TYPE_STRING).strValue);
+
+    if(result->theme.length == 0)
+        ffStrbufAppendS(&result->error, "Couldn't find xfce cursor in xfconf (xsettings::/Gtk/CursorThemeName)");
+
+    int cursorSizeVal = ffSettingsGetXFConf(instance, "xsettings", "/Gtk/CursorThemeSize", FF_VARIANT_TYPE_INT).intValue;
+    if(cursorSizeVal > 0)
+        ffStrbufAppendF(&result->size, "%i", cursorSizeVal);
+}
+
+static void detectCursorFromConfigFile(const FFinstance* instance, const char* relativeFilePath, const char* themeStart, const char* themeDefault, const char* sizeStart, const char* sizeDefault, FFCursorResult* result)
+{
+    if(ffParsePropFileConfigValues(instance, relativeFilePath, 2, (FFpropquery[]) {
+        {themeStart, &result->theme},
+        {sizeStart, &result->size}
+    })) {
+
+        if(result->theme.length == 0)
+            ffStrbufAppendS(&result->theme, themeDefault);
+
+        if(result->size.length == 0)
+            ffStrbufAppendS(&result->size, sizeDefault);
+    }
+
+    if(result->theme.length == 0)
+        ffStrbufAppendF(&result->error, "Couldn't find cursor in %s", relativeFilePath);
+}
+
+static bool detectCursorFromXResources(const FFinstance* instance, FFCursorResult* result)
+{
+    ffParsePropFileHomeValues(instance, ".Xresources", 2, (FFpropquery[]) {
+        {"Xcursor.theme :", &result->theme},
+        {"Xcursor.size :", &result->size}
+    });
+
+    return result->theme.length > 0;
+}
+
+static bool detectCursorFromXDG(const FFinstance* instance, bool user, FFCursorResult* result)
+{
+    if(user)
+        ffParsePropFileHome(instance, ".icons/default/index.theme", "Inherits =", &result->theme);
+    else
+        ffParsePropFile(FASTFETCH_TARGET_DIR_USR"/share/icons/default/index.theme", "Inherits =", &result->theme);
+
+    return result->theme.length > 0;
+}
+
+static bool detectCursorFromEnv(const FFinstance* instance, FFCursorResult* result)
+{
+    FF_UNUSED(instance);
+    const char* xcursor_theme = getenv("XCURSOR_THEME");
+
+    if(!ffStrSet(xcursor_theme))
+        return false;
+
+    ffStrbufAppendS(&result->theme, xcursor_theme);
+    ffStrbufAppendS(&result->size, getenv("XCURSOR_SIZE"));
+
+    return true;
+}
+
+void ffDetectCursor(const FFinstance* instance, FFCursorResult* result)
+{
+    const FFDisplayServerResult* wmde = ffConnectDisplayServer(instance);
+
+    if(ffStrbufCompS(&wmde->wmPrettyName, "WSLg") == 0)
+    {
+        ffStrbufAppendS(&result->error, "WSLg uses native windows cursor");
+        return;
+    }
+
+    if(ffStrbufIgnCaseCompS(&wmde->wmProtocolName, "TTY") == 0)
+    {
+        ffStrbufAppendS(&result->error, "Cursor isn't supported in TTY");
+        return;
+    }
+
+    if(ffStrbufIgnCaseCompS(&wmde->dePrettyName, "KDE Plasma") == 0)
+        return detectCursorFromConfigFile(instance, "kcminputrc", "cursorTheme =", "Breeze", "cursorSize =", "24", result);
+
+    if(ffStrbufStartsWithIgnCaseS(&wmde->dePrettyName, "XFCE"))
+        return detectCursorXFCE(instance, result);
+
+    if(ffStrbufStartsWithIgnCaseS(&wmde->dePrettyName, "LXQt"))
+        return detectCursorFromConfigFile(instance, "lxqt/session.conf", "cursor_theme =", "Adwaita", "cursor_size =", "24", result);
+
+    if(ffStrbufIgnCaseCompS(&wmde->dePrettyName, "Gnome") == 0 || ffStrbufIgnCaseCompS(&wmde->dePrettyName, "Cinnamon") == 0 || ffStrbufIgnCaseCompS(&wmde->dePrettyName, "Mate") == 0)
+        return detectCursorGTK(instance, result);
+
+    if(
+        detectCursorFromEnv(instance, result) ||
+        detectCursorFromXDG(instance, true, result) ||
+        detectCursorFromXResources(instance, result) ||
+        detectCursorFromXDG(instance, false, result)
+    ) return;
+
+    detectCursorGTK(instance, result);
+}

src/detection/cursor/cursor_nosupport.c

@@ -0,0 +1,6 @@
+#include "cursor.h"
+
+void ffDetectCursor(const FFinstance* instance, FFCursorResult* result)
+{
+    ffStrbufInitS(&result->error, "Not supported on this platform");
+}

src/detection/cursor/cursor_windows.c

@@ -0,0 +1,12 @@
+#include "cursor.h"
+
+#include "util/windows/register.h"
+
+void ffDetectCursor(const FFinstance* instance, FFCursorResult* result)
+{
+    FF_UNUSED(instance);
+
+    FF_HKEY_AUTO_DESTROY hKey;
+    if(ffRegOpenKeyForRead(HKEY_CURRENT_USER, "Control Panel\\Cursors", &hKey, &result->error))
+        ffRegReadStrbuf(hKey, NULL, &result->theme, &result->error);
+}