[gtksourceview/wip/chergert/gsv-gtk4: 55/84] completion: track changes to style API

[Christian Hergert <chergert src gnome org>]

commit ce8cf234a4f33678dfe92ee7cb8c1e008f57970d
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jan 15 14:10:35 2020 -0800

    completion: track changes to style API
    
    GTK style API has changed and no longer requires state flags. Additionally
    there is no more border-width property. We can use margin instead.

 gtksourceview/gtksourcecompletion.c | 24 ++++++++----------------
 1 file changed, 8 insertions(+), 16 deletions(-)
---
diff --git a/gtksourceview/gtksourcecompletion.c b/gtksourceview/gtksourcecompletion.c
index 309f5687..cef4aa90 100644
--- a/gtksourceview/gtksourcecompletion.c
+++ b/gtksourceview/gtksourcecompletion.c
@@ -634,14 +634,13 @@ gtk_source_completion_hide_default (GtkSourceCompletion *completion)
 
 static void
 gtk_source_completion_proposals_size_allocate (GtkSourceCompletion *completion,
-                                              GtkAllocation       *allocation,
-                                              GtkWidget           *widget)
+                                               GtkAllocation       *allocation,
+                                               GtkWidget           *widget)
 {
+       const gint horizontal_separator = 4; /* From _TREE_VIEW_HORIZONTAL_SEPARATOR */
        GtkTreeViewColumn *column;
        gint cell_offset = 0;
        gint column_offset;
-       gint focus_padding;
-       gint horizontal_separator;
        gint x_offset = 0;
 
        if (!gtk_widget_get_realized (GTK_WIDGET (completion->tree_view_proposals)))
@@ -649,11 +648,6 @@ gtk_source_completion_proposals_size_allocate (GtkSourceCompletion *completion,
                return;
        }
 
-       gtk_widget_style_get (GTK_WIDGET (completion->tree_view_proposals),
-                             "focus-padding", &focus_padding,
-                             "horizontal-separator", &horizontal_separator,
-                             NULL);
-
        column = gtk_tree_view_get_column (completion->tree_view_proposals, 1);
        column_offset = gtk_tree_view_column_get_x_offset (column);
        gtk_tree_view_column_cell_get_position (column,
@@ -661,7 +655,7 @@ gtk_source_completion_proposals_size_allocate (GtkSourceCompletion *completion,
                                                &cell_offset,
                                                NULL);
 
-       x_offset = column_offset + cell_offset + horizontal_separator + focus_padding;
+       x_offset = column_offset + cell_offset + horizontal_separator;
 
        gtk_tree_view_convert_bin_window_to_widget_coords (completion->tree_view_proposals,
                                                           x_offset,
@@ -1592,7 +1586,6 @@ style_context_changed (GtkStyleContext     *style_context,
        gtk_style_context_set_state (style_context, GTK_STATE_FLAG_NORMAL);
 
        gtk_style_context_get (style_context,
-                              gtk_style_context_get_state (style_context),
                               GTK_STYLE_PROPERTY_FONT, &font_desc,
                               NULL);
 
@@ -2103,13 +2096,10 @@ init_tree_view (GtkSourceCompletion *completion,
        gtk_style_context_set_state (style_context, GTK_STATE_FLAG_INSENSITIVE);
 
        gtk_style_context_get (style_context,
-                              gtk_style_context_get_state (style_context),
                               "background-color", &background_color,
                               NULL);
 
-       gtk_style_context_get_color (style_context,
-                                    gtk_style_context_get_state (style_context),
-                                    &foreground_color);
+       gtk_style_context_get_color (style_context, &foreground_color);
 
        gtk_style_context_restore (style_context);
 
@@ -2185,7 +2175,9 @@ init_main_window (GtkSourceCompletion *completion,
        completion->selection_label = GTK_LABEL (gtk_builder_get_object (builder, "selection_label"));
        completion->bottom_bar = GTK_WIDGET (gtk_builder_get_object (builder, "bottom_bar"));
 
-       gtk_container_set_border_width (GTK_CONTAINER (completion->main_window), 0);
+       g_object_set (completion->main_window,
+                     "margin", 0,
+                     NULL);
 
        gtk_window_set_attached_to (GTK_WINDOW (completion->main_window),
                                    GTK_WIDGET (completion->view));