[nautilus/wip/antoniof/new-pathbar: 3/5] ellispize

[António Fernandes <antoniof src gnome org>]

commit aeecca7aa774b02b95afd2c55fc22f53d3663950
Author: António Fernandes <antoniof gnome org>
Date:   Fri Nov 26 13:43:12 2021 +0000

    ellispize

 src/nautilus-pathbar.c | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)
---
diff --git a/src/nautilus-pathbar.c b/src/nautilus-pathbar.c
index 69ff216b2..15aea58fe 100644
--- a/src/nautilus-pathbar.c
+++ b/src/nautilus-pathbar.c
@@ -58,6 +58,8 @@ typedef enum
 
 static guint path_bar_signals[LAST_SIGNAL] = { 0 };
 
+#define NAUTILUS_PATH_BAR_BUTTON_ELLISPIZE_MINIMUM_CHARS 7
+
 typedef struct
 {
     GtkWidget *button;
@@ -810,9 +812,26 @@ nautilus_path_bar_update_button_appearance (ButtonData *button_data,
 
     if (button_data->label != NULL)
     {
+        gint min_chars = NAUTILUS_PATH_BAR_BUTTON_ELLISPIZE_MINIMUM_CHARS;
+
+        if (current_dir)
+        {
+            min_chars = 3 * min_chars;
+        }
+
         gtk_label_set_text (GTK_LABEL (button_data->label), dir_name);
-    }
 
+        if (g_utf8_strlen (dir_name, -1) > min_chars + 1)
+        {
+            gtk_label_set_width_chars (GTK_LABEL (button_data->label), min_chars);
+            gtk_label_set_ellipsize (GTK_LABEL (button_data->label), PANGO_ELLIPSIZE_MIDDLE);
+        }
+        else
+        {
+            gtk_label_set_width_chars (GTK_LABEL (button_data->label), -1);
+            gtk_label_set_ellipsize (GTK_LABEL (button_data->label), PANGO_ELLIPSIZE_NONE);
+        }
+    }
     icon = get_gicon (button_data);
     if (icon != NULL)
     {
@@ -1114,7 +1133,6 @@ make_button_data (NautilusPathBar *self,
 
     if (button_data->label != NULL)
     {
-        gtk_label_set_ellipsize (GTK_LABEL (button_data->label), PANGO_ELLIPSIZE_MIDDLE);
         gtk_label_set_single_line_mode (GTK_LABEL (button_data->label), TRUE);
     }