basic Window Manager detection

CMakeLists.txt

@@ -40,6 +40,7 @@ set(SRCS
     src/modules/shell.c
     src/modules/resolution.c
     src/modules/desktopenvironment.c
+    src/modules/wm.c
     src/modules/theme.c
     src/modules/icons.c
     src/modules/font.c

src/fastfetch.c

@@ -8,7 +8,7 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 
-#define FASTFETCH_DEFAULT_STRUCTURE "Title:Seperator:OS:Host:Kernel:Uptime:Packages:Shell:Resolution:DE:Theme:Icons:Font:Terminal:CPU:GPU:Memory:Disk:Battery:Locale:Break:Colors"
+#define FASTFETCH_DEFAULT_STRUCTURE "Title:Seperator:OS:Host:Kernel:Uptime:Packages:Shell:Resolution:DE:WM:Theme:Icons:Font:Terminal:CPU:GPU:Memory:Disk:Battery:Locale:Break:Colors"
 
 #define FASTFETCH_DEFAULT_CONFIG \
     "## Fastfetch configuration\n" \
@@ -75,7 +75,7 @@ static void printHelp()
         "   --battery-technology <?value>:   Show the technology of the battery, if possible\n"
         "   --battery-capacity <?value>:     Show the capacity of the battery, if possible\n"
         "   --battery-status <?value>:       Show the status of the battery, if possible\n"
-        "   --battery-formart <format>:      Provide the printf format string for battery output (+)\n"
+        "   --battery-format <format>:       Provide the printf format string for battery output (+)\n"
         "\n"
         "If an value starts with an ?, it is optional. \"true\" will be used if not set.\n"
         "An (+) at the end indicates that more help can be printed with --help <option>\n"
@@ -161,6 +161,8 @@ static void parseStructureCommand(FFinstance* instance, FFdata* data, const char
         ffPrintResolution(instance);
     else if(strcasecmp(line, "desktopenvironment") == 0 || strcasecmp(line, "de") == 0)
         ffPrintDesktopEnvironment(instance);
+    else if(strcasecmp(line, "windowmanager") == 0 || strcasecmp(line, "wm") == 0)
+        ffPrintWM(instance);
     else if(strcasecmp(line, "theme") == 0)
         ffPrintTheme(instance);
     else if(strcasecmp(line, "icons") == 0)

src/fastfetch.h

@@ -100,6 +100,7 @@ void ffPrintPackages(FFinstance* instance);
 void ffPrintShell(FFinstance* instance);
 void ffPrintResolution(FFinstance* instance);
 void ffPrintDesktopEnvironment(FFinstance* instance);
+void ffPrintWM(FFinstance* instance);
 void ffPrintTheme(FFinstance* instance);
 void ffPrintIcons(FFinstance* instance);
 void ffPrintFont(FFinstance* instance);

src/flashfetch.c

@@ -23,6 +23,7 @@ int main(int argc, char** argv)
     ffPrintShell(&instance);
     ffPrintResolution(&instance);
     ffPrintDesktopEnvironment(&instance);
+    ffPrintWM(&instance);
     ffPrintTheme(&instance);
     ffPrintIcons(&instance);
     ffPrintFont(&instance);

src/modules/wm.c

@@ -0,0 +1,58 @@
+#include "fastfetch.h"
+
+#include <dirent.h>
+
+static void parseProcessName(const char* name, char* buffer)
+{
+    if(strcasecmp(name, "kwin_wayland") == 0)
+        strcpy(buffer, "KWin (Wayland)");
+    else if(strcasecmp(name, "kwin_x11") == 0)
+        strcpy(buffer, "KWin (X11)");        
+}
+
+void ffPrintWM(FFinstance* instance)
+{
+    DIR* proc = opendir("/proc/");
+    if(proc == NULL)
+    {
+        ffPrintError(instance, "WM", "opendir(\"/proc/\") == NULL");
+        return;
+    }
+
+    struct dirent* dirent;
+
+    char name[32];
+    name[0] = '\0';
+
+    while((dirent = readdir(proc)) != NULL)
+    {
+        if(dirent->d_type != DT_DIR)
+            continue;
+
+        char path[20];
+        sprintf(path, "/proc/%.8s/comm", dirent->d_name);
+
+        char comm[17]; //MAX_COMM_LENGTH is 17 + null terminator
+        ffGetFileContent(path, comm, sizeof(comm));
+
+        if(comm[0] == '\0')
+            continue;
+
+        parseProcessName(comm, name);
+
+        if(name[0] != '\0')
+            break;
+    }
+
+    closedir(proc);
+
+    if(name[0] == '\0')
+    {
+        ffPrintError(instance, "WM", "No process name matches the name of known display managers");
+    }
+    else
+    {
+        ffPrintLogoAndKey(instance, "WM");
+        puts(name);
+    }
+}