Set window title based on mode name.

For dmenu allow customize with `-window-title`.

Fixes: #969

doc/rofi.1.markdown

@@ -662,6 +662,10 @@ Reads the first 25 entries blocking, then switches to async mode. This makes it
 
 *default*: 25
 
+`-window-title` *title*
+
+Set name used for the window title. Will be shown as Rofi - *title*
+
 ### Message dialog
 
 `-e` *message*

include/view.h

@@ -302,5 +302,9 @@ void rofi_view_get_current_monitor ( int *width, int *height );
  * Takes a screenshot.
  */
 void rofi_capture_screenshot ( void );
+/**
+ * Set the window title.
+ */
+void rofi_view_set_window_title ( const char * title  );
 /**@}*/
 #endif

source/dialogs/dmenu.c

@@ -53,6 +53,12 @@
 
 #include "dialogs/dmenuscriptshared.h"
 
+
+static int dmenu_mode_init ( Mode *sw );
+static int dmenu_token_match ( const Mode *sw, rofi_int_matcher **tokens, unsigned int index );
+static cairo_surface_t *dmenu_get_icon ( const Mode *sw, unsigned int selected_line, int height );
+static char *dmenu_get_message ( const Mode *sw );
+
 static inline unsigned int bitget ( uint32_t *array, unsigned int index )
 {
     uint32_t bit = index % 32;
@@ -315,6 +321,27 @@ static void dmenu_mode_free ( Mode *sw )
     }
 }
 
+#include "mode-private.h"
+/** dmenu Mode object. */
+Mode dmenu_mode =
+{
+    .name               = "dmenu",
+    .cfg_name_key       = "display-combi",
+    ._init              = dmenu_mode_init,
+    ._get_num_entries   = dmenu_mode_get_num_entries,
+    ._result            = NULL,
+    ._destroy           = dmenu_mode_free,
+    ._token_match       = dmenu_token_match,
+    ._get_display_value = get_display_data,
+    ._get_icon          = dmenu_get_icon,
+    ._get_completion    = NULL,
+    ._preprocess_input  = NULL,
+    ._get_message       = dmenu_get_message,
+    .private_data       = NULL,
+    .free               = NULL,
+    .display_name       = "dmenu"
+};
+
 static int dmenu_mode_init ( Mode *sw )
 {
     if ( mode_get_private_data ( sw ) != NULL ) {
@@ -353,6 +380,12 @@ static int dmenu_mode_init ( Mode *sw )
     // DMENU COMPATIBILITY
     find_arg_uint (  "-l", &( config.menu_lines ) );
 
+    str = NULL;
+    find_arg_str ( "-window-title", &str );
+    if ( str ) {
+        dmenu_mode.display_name = str;
+    }
+
     /**
      * Dmenu compatibility.
      * `-b` put on bottom.
@@ -436,26 +469,6 @@ static cairo_surface_t *dmenu_get_icon ( const Mode *sw, unsigned int selected_l
     return rofi_icon_fetcher_get ( dr->icon_fetch_uid );
 }
 
-#include "mode-private.h"
-/** dmenu Mode object. */
-Mode dmenu_mode =
-{
-    .name               = "dmenu",
-    .cfg_name_key       = "display-combi",
-    ._init              = dmenu_mode_init,
-    ._get_num_entries   = dmenu_mode_get_num_entries,
-    ._result            = NULL,
-    ._destroy           = dmenu_mode_free,
-    ._token_match       = dmenu_token_match,
-    ._get_display_value = get_display_data,
-    ._get_icon          = dmenu_get_icon,
-    ._get_completion    = NULL,
-    ._preprocess_input  = NULL,
-    ._get_message       = dmenu_get_message,
-    .private_data       = NULL,
-    .free               = NULL,
-    .display_name       = "dmenu"
-};
 
 static void dmenu_finish ( RofiViewState *state, int retv )
 {
@@ -709,6 +722,7 @@ void print_dmenu_options ( void )
     print_help_msg ( "-u", "[list]", "List of row indexes to mark urgent", NULL, is_term );
     print_help_msg ( "-a", "[list]", "List of row indexes to mark active", NULL, is_term );
     print_help_msg ( "-l", "[integer] ", "Number of rows to display", NULL, is_term );
+    print_help_msg ( "-window-title", "[string] ", "Set the dmenu window title", NULL, is_term );
     print_help_msg ( "-i", "", "Set filter to be case insensitive", NULL, is_term );
     print_help_msg ( "-only-match", "", "Force selection or custom entry", NULL, is_term );
     print_help_msg ( "-no-custom", "", "Don't accept custom entry", NULL, is_term );

source/view.c

@@ -790,9 +790,7 @@ void __create_window ( MenuFlags menu_flags )
 
     TICK_N ( "setup window fullscreen" );
     // Set the WM_NAME
-    xcb_change_property ( xcb->connection, XCB_PROP_MODE_REPLACE, box_window, xcb->ewmh._NET_WM_NAME, xcb->ewmh.UTF8_STRING, 8, 4, "rofi" );
-    xcb_change_property ( xcb->connection, XCB_PROP_MODE_REPLACE, box_window, XCB_ATOM_WM_NAME, XCB_ATOM_STRING, 8, 4, "rofi" );
-
+    rofi_view_set_window_title ( "rofi" );
     const char wm_class_name[] = "rofi\0Rofi";
     xcb_icccm_set_wm_class ( xcb->connection, box_window, sizeof ( wm_class_name ), wm_class_name );
 
@@ -1715,6 +1713,13 @@ RofiViewState *rofi_view_create ( Mode *sw,
     // Request the lines to show.
     state->num_lines = mode_get_num_entries ( sw );
 
+    if ( state->sw ) {
+        char * title = g_strdup_printf ( "rofi - %s", mode_get_display_name (state->sw ) );
+        rofi_view_set_window_title ( title );
+        g_free ( title );
+    } else {
+        rofi_view_set_window_title ( "rofi" );
+    }
     TICK_N ( "Startup notification" );
 
     // Get active monitor size.
@@ -1921,6 +1926,13 @@ void rofi_view_switch_mode ( RofiViewState *state, Mode *mode )
     if ( state->prompt ) {
         rofi_view_update_prompt ( state );
     }
+    if ( state->sw ) {
+        char * title = g_strdup_printf ( "rofi - %s", mode_get_display_name (state->sw ) );
+        rofi_view_set_window_title ( title );
+        g_free ( title );
+    } else {
+        rofi_view_set_window_title ( "rofi" );
+    }
     if ( state->sidebar_bar ) {
         for ( unsigned int j = 0; j < state->num_modi; j++ ) {
             const Mode * mode = rofi_get_mode ( j );
@@ -1938,3 +1950,10 @@ xcb_window_t rofi_view_get_window ( void )
 {
     return CacheState.main_window;
 }
+
+void rofi_view_set_window_title ( const char * title )
+{
+    ssize_t len = strlen(title);
+    xcb_change_property ( xcb->connection, XCB_PROP_MODE_REPLACE, CacheState.main_window, xcb->ewmh._NET_WM_NAME, xcb->ewmh.UTF8_STRING, 8, len, title );
+    xcb_change_property ( xcb->connection, XCB_PROP_MODE_REPLACE, CacheState.main_window, XCB_ATOM_WM_NAME, XCB_ATOM_STRING, 8, len, title );
+}