[ListView|Textbox] Add user-settable ellipsize mode.

Fixes: #917

doc/test_xr.txt

@@ -190,6 +190,8 @@ rofi.kb-row-last:                    End,KP_End
 rofi.kb-row-select:                  Control+space
 ! "Take a screenshot of the rofi window" Set from: File
 rofi.kb-screenshot:                  Alt+S
+! "Toggle between ellipsize modes for displayed data" Set from: Default
+! rofi.kb-ellipsize:                   Alt+period
 ! "Toggle case sensitivity" Set from: File
 rofi.kb-toggle-case-sensitivity:     grave,dead_grave
 ! "Toggle sort" Set from: File

include/keyb.h

@@ -126,6 +126,7 @@ typedef enum
     CUSTOM_18,
     CUSTOM_19,
     SCREENSHOT,
+    CHANGE_ELLIPSIZE,
     TOGGLE_SORT,
     SELECT_ELEMENT_1,
     SELECT_ELEMENT_2,

include/widgets/listview.h

@@ -238,6 +238,12 @@ void listview_set_fixed_num_lines ( listview *lv );
  */
 void listview_set_max_lines ( listview *lv, unsigned int max_lines );
 
+/**
+ * @param lv Handler to the listview object.
+ *
+ * Set ellipsize modee.
+ */
+void listview_toggle_ellipsizing ( listview *lv );
 /* @} */
 
 #endif // ROFI_LISTVIEW_H

include/widgets/textbox.h

@@ -68,6 +68,7 @@ typedef struct
     double           xalign;
 
     PangoFontMetrics *metrics;
+    PangoEllipsizeMode emode;
     int              left_offset;
     //
     const char       *theme_name;
@@ -334,5 +335,13 @@ int textbox_get_desired_width ( widget *wid );
  * Move the cursor to the end of the string.
  */
 void textbox_cursor_end ( textbox *tb );
+
+/**
+ * @param tb  Handle to the textbox
+ * @param mode The PangoEllipsizeMode to use displaying the text in the textbox
+ *
+ * Set the ellipsizing mode used on the string.
+ */
+void textbox_set_ellipsize ( textbox *tb, PangoEllipsizeMode mode );
 /*@}*/
 #endif //ROFI_TEXTBOX_H

source/keyb.c

@@ -77,6 +77,7 @@ ActionBindingEntry rofi_bindings[] =
     { .id = ROW_LAST,                .name  = "kb-row-last",                .binding = "End,KP_End",                           .comment = "Go to the last entry"                                                  },
     { .id = ROW_SELECT,              .name  = "kb-row-select",              .binding = "Control+space",                        .comment = "Set selected item as input text"                                       },
     { .id = SCREENSHOT,              .name  = "kb-screenshot",              .binding = "Alt+S",                                .comment = "Take a screenshot of the rofi window"                                  },
+    { .id = CHANGE_ELLIPSIZE,        .name  = "kb-ellipsize",               .binding = "Alt+period",                                .comment = "Toggle between ellipsize modes for displayed data"                     },
     { .id = TOGGLE_CASE_SENSITIVITY, .name  = "kb-toggle-case-sensitivity", .binding = "grave,dead_grave",                     .comment = "Toggle case sensitivity"                                               },
     { .id = TOGGLE_SORT,             .name  = "kb-toggle-sort",             .binding = "Alt+grave",                            .comment = "Toggle sort"                                                           },
     { .id = CANCEL,                  .name  = "kb-cancel",                  .binding = "Escape,Control+g,Control+bracketleft", .comment = "Quit rofi"                                                             },

source/view.c

@@ -1149,6 +1149,11 @@ static void rofi_view_trigger_global_action ( KeyBindingAction action )
     case SCREENSHOT:
         rofi_capture_screenshot ( );
         break;
+    case CHANGE_ELLIPSIZE:
+        if ( state->list_view ) {
+            listview_toggle_ellipsizing ( state->list_view );
+        }
+        break;
     case TOGGLE_SORT:
         if ( state->case_indicator != NULL ) {
             config.sort     = !config.sort;

source/widgets/listview.c

@@ -109,6 +109,8 @@ struct _listview
 
     char                        *listview_name;
 
+
+    PangoEllipsizeMode          emode;
     /** Barview */
     struct
     {
@@ -532,6 +534,7 @@ listview *listview_create ( widget *parent, const char *name, listview_update_ca
     lv->widget.get_desired_height = listview_get_desired_height;
     lv->eh                        = eh;
 
+    lv->emode     = PANGO_ELLIPSIZE_END;
     lv->scrollbar = scrollbar_create ( WIDGET ( lv ), "scrollbar" );
     // Calculate height of an element.
     //
@@ -830,3 +833,21 @@ void listview_set_fixed_num_lines ( listview *lv )
         lv->fixed_num_lines = TRUE;
     }
 }
+
+void listview_toggle_ellipsizing ( listview *lv )
+{
+    if ( lv ) {
+        PangoEllipsizeMode mode =  lv->emode;
+        if ( mode == PANGO_ELLIPSIZE_START ) { 
+            mode = PANGO_ELLIPSIZE_MIDDLE;
+        } else if ( mode == PANGO_ELLIPSIZE_MIDDLE ) {
+            mode = PANGO_ELLIPSIZE_END;
+        } else if ( mode == PANGO_ELLIPSIZE_END ) {
+            mode = PANGO_ELLIPSIZE_START;
+        }
+        lv->emode = mode;
+        for ( unsigned int i = 0; i < lv->cur_elements; i++ ) {
+            textbox_set_ellipsize ( lv->boxes[i], mode );
+        }
+    }
+}

source/widgets/textbox.c

@@ -177,6 +177,7 @@ textbox* textbox_create ( widget *parent, WidgetType type, const char *name, Tex
     tb->widget.get_desired_height = textbox_get_desired_height;
     tb->widget.get_desired_width  = textbox_get_desired_width;
     tb->flags                     = flags;
+    tb->emode                     = PANGO_ELLIPSIZE_END;
 
     tb->changed = FALSE;
 
@@ -362,7 +363,9 @@ void textbox_moveresize ( textbox *tb, int x, int y, int w, int h )
             pango_layout_set_ellipsize ( tb->layout, PANGO_ELLIPSIZE_MIDDLE );
         }
         else if ( ( tb->flags & TB_WRAP ) != TB_WRAP ) {
-            pango_layout_set_ellipsize ( tb->layout, PANGO_ELLIPSIZE_END );
+            pango_layout_set_ellipsize ( tb->layout, tb->emode );
+        } else {
+            pango_layout_set_ellipsize ( tb->layout, PANGO_ELLIPSIZE_NONE );
         }
     }
 
@@ -950,3 +953,17 @@ int textbox_get_desired_width ( widget *wid )
     pango_layout_set_width ( tb->layout, old_width );
     return width + padding + offset;
 }
+
+
+void textbox_set_ellipsize ( textbox *tb, PangoEllipsizeMode mode )
+{
+    if ( tb )
+    {
+        tb->emode = mode;
+        if ( ( tb->flags & TB_WRAP ) != TB_WRAP ) {
+            // Store the mode.
+            pango_layout_set_ellipsize ( tb->layout, tb->emode );
+            widget_queue_redraw ( WIDGET ( tb ) );
+        }
+    }
+}

test/mode-test.c

@@ -119,7 +119,7 @@ END_TEST
 START_TEST(test_mode_num_items)
 {
     unsigned int rows = mode_get_num_entries ( &help_keys_mode);
-    ck_assert_int_eq ( rows, 71);
+    ck_assert_int_eq ( rows, 72);
     for ( unsigned int i =0; i < rows; i++  ){
         int state = 0;
         GList *list = NULL;