From bbe4a3d33023e4557320a478bf1e800730e900f3 Mon Sep 17 00:00:00 2001
From: Qball Cow <qball@gmpclient.org>
Date: Thu, 30 Jan 2014 00:47:23 +0100
Subject: [PATCH] Add dmenu option

---
 include/dmenu-dialog.h   |   7 +++
 include/simpleswitcher.h |   1 +
 source/dmenu-dialog.c    | 129 +++++++++++++++++++++++++++++++++++++++
 source/simpleswitcher.c  |   8 ++-
 4 files changed, 144 insertions(+), 1 deletion(-)
 create mode 100644 include/dmenu-dialog.h
 create mode 100644 source/dmenu-dialog.c

diff --git a/include/dmenu-dialog.h b/include/dmenu-dialog.h
new file mode 100644
index 00000000..ff04a66a
--- /dev/null
+++ b/include/dmenu-dialog.h
@@ -0,0 +1,7 @@
+#ifndef __DMENU_DIALOG_H__
+#define __DMENU_DIALOG_H__
+
+extern char *dmenu_prompt;
+SwitcherMode dmenu_switcher_dialog ( char **input );
+
+#endif
diff --git a/include/simpleswitcher.h b/include/simpleswitcher.h
index 7d79e989..7775ec0e 100644
--- a/include/simpleswitcher.h
+++ b/include/simpleswitcher.h
@@ -26,6 +26,7 @@ typedef enum {
 #endif
     NUM_DIALOGS,
     JSON_DIALOG,
+    DMENU_DIALOG,
     MODE_EXIT,
     NEXT_DIALOG
 } SwitcherMode;
diff --git a/source/dmenu-dialog.c b/source/dmenu-dialog.c
new file mode 100644
index 00000000..adb0427a
--- /dev/null
+++ b/source/dmenu-dialog.c
@@ -0,0 +1,129 @@
+/**
+ * simpleswitcher
+ *
+ * MIT/X11 License
+ * Copyright 2013-2014 Qball  Cow <qball@gmpclient.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+
+#define _GNU_SOURCE
+#include <stdlib.h>
+#include <stdio.h>
+#include <X11/X.h>
+
+#include <unistd.h>
+#include <signal.h>
+#include <strings.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+
+#include "simpleswitcher.h"
+#include "mark-dialog.h"
+#include <errno.h>
+#include <linux/un.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <i3/ipc.h>
+
+#ifdef TIMING
+#include <time.h>
+#endif
+
+char *dmenu_prompt = "dmenu ";
+
+static char **get_dmenu ( )
+{
+
+#ifdef TIMING
+    struct timespec start, stop;
+    clock_gettime( CLOCK_REALTIME, &start );
+#endif
+    char **retv = NULL;
+    int index = 0;
+
+    char buffer[1024];
+    while(fgets(buffer, 1024, stdin) != NULL) {
+        retv = realloc(retv, (index+2)*sizeof(char*));
+        retv[index] = strdup(buffer);
+        retv[index][strlen(buffer)-1] = '\0';
+        retv[index+1] = NULL;
+        index++;
+    }
+
+
+
+#ifdef TIMING
+    clock_gettime( CLOCK_REALTIME, &stop );
+
+    if ( stop.tv_sec != start.tv_sec ) {
+        stop.tv_nsec += ( stop.tv_sec-start.tv_sec )*1e9;
+    }
+
+    long diff = stop.tv_nsec-start.tv_nsec;
+    printf( "Time elapsed: %ld us\n", diff/1000 );
+#endif
+    return retv;
+}
+
+static int token_match ( char **tokens, const char *input,
+                         __attribute__( ( unused ) )int index,
+                         __attribute__( ( unused ) )void *data )
+{
+    int match = 1;
+
+    // Do a tokenized match.
+    if ( tokens ) for ( int j  = 1; match && tokens[j]; j++ ) {
+            match = ( strcasestr( input, tokens[j] ) != NULL );
+        }
+
+    return match;
+}
+
+SwitcherMode dmenu_switcher_dialog ( char **input )
+{
+    SwitcherMode retv = MODE_EXIT;
+    // act as a launcher
+    char **list = get_dmenu( );
+
+    if ( list == NULL ) {
+        return retv;
+    }
+
+    int shift=0;
+    int n = menu( list, input, dmenu_prompt,NULL, &shift,token_match, NULL );
+
+    if ( n == -2 ) {
+        retv = DMENU_DIALOG;
+    } else if ( n >=0 && list[n] != NULL ) {
+        fputs(list[n],stdout);
+    }
+
+    for ( unsigned int i=0; list[i] != NULL; i++ ) {
+        free( list[i] );
+    }
+    free(list);
+
+    return retv;
+}
+
diff --git a/source/simpleswitcher.c b/source/simpleswitcher.c
index 0b9351d1..a33a91e5 100644
--- a/source/simpleswitcher.c
+++ b/source/simpleswitcher.c
@@ -67,6 +67,7 @@
 #include "mark-dialog.h"
 #include "profile-dialog.h"
 #include "json-dialog.h"
+#include "dmenu-dialog.h"
 
 #define LINE_MARGIN 4
 
@@ -1202,6 +1203,9 @@ void run_switcher( int fmode, SwitcherMode mode )
         else if ( mode == JSON_DIALOG ) {
             retv = json_switcher_dialog ( &input );
         }
+        else if ( mode == DMENU_DIALOG ) {
+            retv = dmenu_switcher_dialog ( &input );
+        }
 
         if ( retv == NEXT_DIALOG ) {
             mode = ( mode+1 )%NUM_DIALOGS;
@@ -1430,7 +1434,9 @@ int main( int argc, char *argv[] )
     } else if ( find_arg( argc, argv, "-json" ) >= 0 ) {
         find_arg_str( argc, argv, "-json", &json_input_file);
         run_switcher( NOFORK, JSON_DIALOG );
-
+    } else if ( find_arg( argc, argv, "-dmenu" ) >= 0 ) {
+        find_arg_str( argc, argv, "-dmenu", &dmenu_prompt);
+        run_switcher( NOFORK, DMENU_DIALOG);
     } else {
         // Daemon mode, Listen to key presses..