[gtksourceview/wip/chergert/gsv-gtk4: 242/259] informative: adjust position to icon boundary




commit ea9fe105d40f1b00570007ed10aa6d7e5145bf20
Author: Christian Hergert <chergert redhat com>
Date:   Wed Sep 9 16:46:39 2020 -0700

    informative: adjust position to icon boundary

 gtksourceview/gtksourceinformative.c | 32 +++++++++++++++++++++++++++++---
 1 file changed, 29 insertions(+), 3 deletions(-)
---
diff --git a/gtksourceview/gtksourceinformative.c b/gtksourceview/gtksourceinformative.c
index 2201ef44..97bf3f60 100644
--- a/gtksourceview/gtksourceinformative.c
+++ b/gtksourceview/gtksourceinformative.c
@@ -145,13 +145,38 @@ gtk_source_informative_get_offset (GtkSourceAssistant *assistant,
 {
        GtkSourceInformative *self = GTK_SOURCE_INFORMATIVE (assistant);
        GtkSourceInformativePrivate *priv = gtk_source_informative_get_instance_private (self);
-       GtkRequisition min;
+       GtkStyleContext *style_context;
+       GtkBorder margin;
+       int min_width, min_baseline;
 
        GTK_SOURCE_ASSISTANT_CLASS (gtk_source_informative_parent_class)->get_offset (assistant, x_offset, 
y_offset);
 
-       gtk_widget_get_preferred_size (GTK_WIDGET (priv->icon), &min, NULL);
+       gtk_widget_measure (GTK_WIDGET (priv->icon),
+                           GTK_ORIENTATION_HORIZONTAL,
+                           -1,
+                           &min_width,
+                           NULL,
+                           &min_baseline,
+                           NULL);
 
-       *x_offset -= min.width;
+       style_context = gtk_widget_get_style_context (GTK_WIDGET (priv->icon));
+       gtk_style_context_get_margin (style_context, &margin);
+
+       *x_offset -= min_width;
+       *x_offset += margin.right;
+}
+
+static void
+gtk_source_informative_get_target_location (GtkSourceAssistant *assistant,
+                                            GdkRectangle       *rect)
+{
+       g_assert (GTK_SOURCE_IS_ASSISTANT (assistant));
+       g_assert (rect != NULL);
+
+       GTK_SOURCE_ASSISTANT_CLASS (gtk_source_informative_parent_class)->get_target_location (assistant, 
rect);
+
+       /* Align to beginning of the character */
+       rect->width = 0;
 }
 
 static gboolean
@@ -263,6 +288,7 @@ gtk_source_informative_class_init (GtkSourceInformativeClass *klass)
        object_class->set_property = gtk_source_informative_set_property;
 
        assistant_class->get_offset = gtk_source_informative_get_offset;
+       assistant_class->get_target_location = gtk_source_informative_get_target_location;
 
        properties [PROP_ICON_NAME] =
                g_param_spec_string ("icon-name",


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