fastfetch/src/modules/wmtheme.c

#include "fastfetch.h"

#define FF_WMTHEME_MODULE_NAME "WM Theme"
#define FF_WMTHEME_NUM_FORMAT_ARGS 1

static void printWMTheme(FFinstance* instance, const char* theme)
{
    if(instance->config.wmThemeFormat.length == 0)
    {
        ffPrintLogoAndKey(instance, FF_WMTHEME_MODULE_NAME, 0, &instance->config.wmThemeKey);
        puts(theme);
    }
    else
    {
        ffPrintFormatString(instance, FF_WMTHEME_MODULE_NAME, 0, &instance->config.wmThemeKey, &instance->config.wmThemeFormat, NULL, FF_WMTHEME_NUM_FORMAT_ARGS, (FFformatarg[]){
            {FF_FORMAT_ARG_TYPE_STRING, theme}
        });
    }
}

static void printKWin(FFinstance* instance)
{
    char theme[256];
    theme[0] = '\0';
    ffParsePropFileHome(instance, ".config/kwinrc", "theme=%s", theme);

    if(theme[0] == '\0')
    {
        ffPrintError(instance, FF_WMTHEME_MODULE_NAME, 0, &instance->config.wmThemeKey, &instance->config.wmThemeFormat, FF_WMTHEME_NUM_FORMAT_ARGS, "Couldn't find \"theme=\" in \".config/kwinrc\"");
        return;
    }

    printWMTheme(instance, theme);
}

void ffPrintWMTheme(FFinstance* instance)
{
    const FFWMResult* result = ffCalculateWM(instance);

    if(result->prettyName.length == 0)
    {
        ffPrintError(instance, FF_WMTHEME_MODULE_NAME, 0, &instance->config.wmThemeKey, &instance->config.wmThemeFormat, FF_WMTHEME_NUM_FORMAT_ARGS, "WM Theme needs sucessfull WM detection");
        return;
    }

    if(ffStrbufIgnCaseCompS(&result->prettyName, "KWin") == 0)
        printKWin(instance);
    else
        ffPrintError(instance, FF_WMTHEME_MODULE_NAME, 0, &instance->config.wmThemeKey, &instance->config.wmThemeFormat, FF_WMTHEME_NUM_FORMAT_ARGS, "Unknown WM: %s", result->prettyName.chars);
}