From 52c5592a6f6d55897a03bb9691031c3cf8c71b46 Mon Sep 17 00:00:00 2001
From: Dave Davenport <qball@gmpclient.org>
Date: Sat, 4 May 2019 11:01:09 +0200
Subject: [ListView|Textbox] Add user-settable ellipsize mode.

Fixes: #917
---
 source/widgets/listview.c | 21 +++++++++++++++++++++
 source/widgets/textbox.c  | 19 ++++++++++++++++++-
 2 files changed, 39 insertions(+), 1 deletion(-)

(limited to 'source/widgets')

diff --git a/source/widgets/listview.c b/source/widgets/listview.c
index b194ced6..cb7f0628 100644
--- a/source/widgets/listview.c
+++ b/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 );
+        }
+    }
+}
diff --git a/source/widgets/textbox.c b/source/widgets/textbox.c
index 70c29b10..1adf9fd3 100644
--- a/source/widgets/textbox.c
+++ b/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 ) );
+        }
+    }
+}
-- 
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