Fix #76: DMENU returns 1 on cancel.

* Pull out dmenu, separate it from normal modi.
    * Give dmenu a return value (1 on cancel)

include/dmenu-dialog.h

@@ -2,6 +2,9 @@
 #define __DMENU_DIALOG_H__
 
 extern char *dmenu_prompt;
-SwitcherMode dmenu_switcher_dialog ( char **input, void *data );
+/**
+ * Returns TRUE when success, FALSE when canceled.
+ */
+int dmenu_switcher_dialog ( char **input );
 
 #endif

include/rofi.h

@@ -25,8 +25,6 @@ extern const char *cache_dir;
  */
 typedef enum
 {
-    /** Dmenu mode */
-    DMENU_DIALOG  = 999,
     /** Exit. */
     MODE_EXIT     = 1000,
     /** Skip to the next cycle-able dialog. */

source/dmenu-dialog.c

@@ -65,10 +65,10 @@ static char **get_dmenu ( unsigned int *length )
     return retv;
 }
 
-SwitcherMode dmenu_switcher_dialog ( char **input, void *data )
+int dmenu_switcher_dialog ( char **input )
 {
     int          selected_line = 0;
-    SwitcherMode retv          = MODE_EXIT;
+    int          retv          = FALSE;
     unsigned int length        = 0;
     char         **list        = get_dmenu ( &length );
     int          restart       = FALSE;
@@ -80,10 +80,7 @@ SwitcherMode dmenu_switcher_dialog ( char **input, void *data )
 
         // We normally do not want to restart the loop.
         restart = FALSE;
-        if ( mretv == MENU_NEXT ) {
+        if ( mretv == MENU_OK && list[selected_line] != NULL ) {
-            retv = RELOAD_DIALOG;
-        }
-        else if ( mretv == MENU_OK && list[selected_line] != NULL ) {
             fputs ( list[selected_line], stdout );
             fputc ( '\n', stdout );
             fflush ( stdout );
@@ -92,6 +89,7 @@ SwitcherMode dmenu_switcher_dialog ( char **input, void *data )
                 // Move to next line.
                 selected_line = MIN ( selected_line + 1, length - 1 );
             }
+            retv = TRUE;
         }
         else if ( mretv == MENU_CUSTOM_INPUT && *input != NULL && *input[0] != '\0' ) {
             fputs ( *input, stdout );
@@ -102,6 +100,7 @@ SwitcherMode dmenu_switcher_dialog ( char **input, void *data )
                 // Move to next line.
                 selected_line = MIN ( selected_line + 1, length - 1 );
             }
+            retv = TRUE;
         }
     } while ( restart );
     for ( unsigned int i = 0; i < length; i++ ) {

source/rofi.c

@@ -1711,6 +1711,25 @@ SwitcherMode run_switcher_window ( char **input, void *data )
     return retv;
 }
 
+static int run_dmenu ()
+{
+    int ret_state = TRUE;
+    textbox_setup (
+        config.menu_bg, config.menu_fg,
+        config.menu_hlbg,
+        config.menu_hlfg );
+    char *input = NULL;
+
+    // Dmenu modi has a return state.
+    ret_state = dmenu_switcher_dialog ( &input );
+
+    free ( input );
+
+    // Cleanup font setup.
+    textbox_cleanup ();
+    return ret_state;
+}
+
 static void run_switcher ( int do_fork, SwitcherMode mode )
 {
     // we fork because it's technically possible to have multiple window
@@ -1720,7 +1739,7 @@ static void run_switcher ( int do_fork, SwitcherMode mode )
     // strangeness...
     if ( do_fork == TRUE ) {
         if ( fork () ) {
-            return;
+            return ;
         }
 
         display = XOpenDisplay ( 0 );
@@ -1733,12 +1752,8 @@ static void run_switcher ( int do_fork, SwitcherMode mode )
         config.menu_hlbg,
         config.menu_hlfg );
     char *input = NULL;
-    // Dmenu is a special mode. You can cycle away from it.
-    if ( mode == DMENU_DIALOG ) {
-        dmenu_switcher_dialog ( &input, NULL );
-    }
     // Otherwise check if requested mode is enabled.
-    else if ( switchers[mode].cb != NULL ) {
+    if ( switchers[mode].cb != NULL ) {
         do {
             SwitcherMode retv = MODE_EXIT;
 
@@ -1751,7 +1766,7 @@ static void run_switcher ( int do_fork, SwitcherMode mode )
             else if ( retv == RELOAD_DIALOG ) {
                 // do nothing.
             }
-            else if ( retv < DMENU_DIALOG ) {
+            else if ( retv < MODE_EXIT ) {
                 mode = ( retv ) % num_switchers;
             }
             else {
@@ -2216,7 +2231,11 @@ int main ( int argc, char *argv[] )
     }
     else if ( find_arg ( argc, argv, "-dmenu" ) >= 0 ) {
         find_arg_str ( argc, argv, "-p", &dmenu_prompt );
-        run_switcher ( FALSE, DMENU_DIALOG );
+        int retv = run_dmenu();
+        // User cancelled the operation.
+        if(retv == FALSE) {
+            return EXIT_FAILURE;
+        }
     }
     else{
         // Daemon mode, Listen to key presses..