From 0ff0828b0dfa9c70597382421f1ca3a3dd5ff260 Mon Sep 17 00:00:00 2001
From: Giselle Machado <giselle.mnr@gmail.com>
Date: Fri, 20 Jun 2014 15:15:00 +0200
Subject: Change the opacity of the annotation window

Implements the functions needed to change the
opacity of the annotation windows.

https://bugzilla.gnome.org/show_bug.cgi?id=725571

origin commit:
https://git.gnome.org/browse/evince/commit/?id=b968cfb
---
 libview/ev-annotation-window.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'libview')

diff --git a/libview/ev-annotation-window.c b/libview/ev-annotation-window.c
index eadb6d65..e3c3783a 100644
--- a/libview/ev-annotation-window.c
+++ b/libview/ev-annotation-window.c
@@ -153,6 +153,14 @@ ev_annotation_window_set_color (EvAnnotationWindow *window,
         g_object_unref (properties);
 }
 
+static void
+ev_annotation_window_set_opacity (EvAnnotationWindow *window,
+                                  gdouble             opacity)
+{
+	gtk_widget_set_opacity (GTK_WIDGET (window), opacity);
+	gtk_widget_set_opacity (GTK_WIDGET (window->text_view), opacity);
+}
+
 static void
 ev_annotation_window_label_changed (EvAnnotationMarkup *annot,
 				    GParamSpec         *pspec,
@@ -175,6 +183,17 @@ ev_annotation_window_color_changed (EvAnnotation       *annot,
 	ev_annotation_window_set_color (window, &rgba);
 }
 
+static void
+ev_annotation_window_opacity_changed (EvAnnotation       *annot,
+                                      GParamSpec         *pspec,
+                                      EvAnnotationWindow *window)
+{
+	gdouble opacity;
+
+	opacity = ev_annotation_markup_get_opacity (EV_ANNOTATION_MARKUP (annot));
+	ev_annotation_window_set_opacity (window, opacity);
+}
+
 static void
 ev_annotation_window_dispose (GObject *object)
 {
@@ -397,6 +416,7 @@ ev_annotation_window_constructor (GType                  type,
 	GdkRGBA             color;
 	EvRectangle        *rect;
 	gdouble             scale;
+	gdouble             opacity;
 
 	object = G_OBJECT_CLASS (ev_annotation_window_parent_class)->constructor (type,
 										  n_construct_properties,
@@ -422,6 +442,10 @@ ev_annotation_window_constructor (GType                  type,
 
 	ev_annotation_get_rgba (annot, &color);
 	ev_annotation_window_set_color (window, &color);
+
+	opacity = ev_annotation_markup_get_opacity (markup);
+	ev_annotation_window_set_opacity (window, opacity);
+
 	gtk_widget_set_name (GTK_WIDGET (window), ev_annotation_get_name (annot));
 	gtk_window_set_title (GTK_WINDOW (window), label);
 	gtk_label_set_text (GTK_LABEL (window->title), label);
@@ -440,6 +464,9 @@ ev_annotation_window_constructor (GType                  type,
 	g_signal_connect (annot, "notify::rgba",
 			  G_CALLBACK (ev_annotation_window_color_changed),
 			  window);
+	g_signal_connect (annot, "notify::opacity",
+			  G_CALLBACK (ev_annotation_window_opacity_changed),
+			  window);
 
 	return object;
 }
-- 
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