GNOME.org
 

[gnome-keyring] docs: Add images for gcr widgets.

commit 05ec5fb326989acfb5ae0845e84df04c0476ab98
Author: Stef Walter <stefw collabora co uk>
Date:   Tue May 10 20:20:06 2011 +0200

    docs: Add images for gcr widgets.

 .gitignore                                       |    1 +
 docs/reference/gcr/Makefile.am                   |   35 ++-
 docs/reference/gcr/gcr-docs.sgml                 |    4 +
 docs/reference/gcr/gcr-shooter.c                 |  470 ++++++++++++++++++++++
 docs/reference/gcr/gcr-shooter.h                 |   23 +
 docs/reference/gcr/gcr-visual-index.xml          |   12 +
 docs/reference/gcr/gcr-widgets.c                 |   86 ++++
 docs/reference/gcr/images/certificate-widget.png |  Bin 0 -> 17514 bytes
 docs/reference/gcr/images/key-widget.png         |  Bin 0 -> 8634 bytes
 gcr/tests/files/cacert.org.cer                   |  Bin 0 -> 1857 bytes
 10 files changed, 629 insertions(+), 2 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 6599821..f552444 100644
--- a/.gitignore
+++ b/.gitignore
@@ -184,3 +184,4 @@ run-tests
 
 /docs/reference/*/*-scan
 /docs/reference/*/*-scan.c
+/docs/reference/*/gcr-shooter
diff --git a/docs/reference/gcr/Makefile.am b/docs/reference/gcr/Makefile.am
index 2725a6d..fce4d4a 100644
--- a/docs/reference/gcr/Makefile.am
+++ b/docs/reference/gcr/Makefile.am
@@ -72,11 +72,13 @@ IGNORE_HFILES= \
 
 # Images to copy into HTML directory.
 # e.g. HTML_IMAGES=$(top_srcdir)/gtk/stock-icons/stock_about_24.png
-HTML_IMAGES=
+HTML_IMAGES= \
+	$(srcdir)/images/certificate-widget.png \
+	$(srcdir)/images/key-widget.png
 
 # Extra SGML files that are included by $(DOC_MAIN_SGML_FILE).
 # e.g. content_files=running.sgml building.sgml changes-2.0.sgml
-content_files=
+content_files=gcr-visual-index.xml
 
 # SGML files where gtk-doc abbrevations (#GtkWidget) are expanded
 # These files must be listed here *and* in content_files
@@ -109,3 +111,32 @@ DISTCLEANFILES = tmpl/gcr-unused.sgml
 #TESTS_ENVIRONMENT = cd $(srcsrc)
 #TESTS = $(GTKDOC_CHECK)
 
+# ------------------------------------------------------------------------------
+# SHOOTER
+
+WIDGETS = \
+	certificate-widget \
+	key-widget
+
+shots: gcr-shooter
+	mkdir -p $(builddir)/images
+	for widget in $(WIDGETS); do ./gcr-shooter $$widget $(builddir)/images; done
+
+SHOOTER_SRCS = \
+	gcr-shooter.c \
+	gcr-widgets.c
+
+SHOOTER_HEADS = \
+	gcr-shooter.h
+
+gcr-shooter: $(SHOOTER_SRCS) $(SHOOTER_HEADERS) Makefile
+	$(AM_V_CC) libtool --mode=link gcc -o gcr-shooter -Wall -Werror $(GTK_CFLAGS) \
+		-I$(top_srcdir)/gcr -DGCR_API_SUBJECT_TO_CHANGE \
+		-DSRCDIR=\"$(srcdir)\" -DTOPDIR=\"$(top_srcdir)\" \
+		$(GTK_LDFLAGS) -lm $(top_builddir)/gcr/libgcr-testable.la \
+		$(SHOOTER_SRCS)
+
+EXTRA_DIST += \
+	$(SHOOTER_SRCS) \
+	$(SHOOTER_HEADERS) \
+	images
\ No newline at end of file
diff --git a/docs/reference/gcr/gcr-docs.sgml b/docs/reference/gcr/gcr-docs.sgml
index baaf986..d874ca1 100644
--- a/docs/reference/gcr/gcr-docs.sgml
+++ b/docs/reference/gcr/gcr-docs.sgml
@@ -36,6 +36,10 @@
 		<xi:include href="xml/gcr-selector.xml"/>
 		<xi:include href="xml/gcr-renderer.xml"/>
 		<xi:include href="xml/gcr-viewer.xml"/>
+		<chapter>
+			<title>Widget Gallery</title>
+			<xi:include href="gcr-visual-index.xml" />
+		</chapter>
 	</part>
 
 	<part id="storage">
diff --git a/docs/reference/gcr/gcr-shooter.c b/docs/reference/gcr/gcr-shooter.c
new file mode 100644
index 0000000..5295b5d
--- /dev/null
+++ b/docs/reference/gcr/gcr-shooter.c
@@ -0,0 +1,470 @@
+
+#include "gcr-shooter.h"
+
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+#include <stdio.h>
+#include <errno.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <X11/extensions/shape.h>
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <locale.h>
+#include <math.h>
+
+#define MAXIMUM_WM_REPARENTING_DEPTH 4
+
+#define SMALL_WIDTH  240
+#define SMALL_HEIGHT 75
+#define MEDIUM_WIDTH 240
+#define MEDIUM_HEIGHT 165
+#define LARGE_WIDTH 240
+#define LARGE_HEIGHT 240
+
+static Window
+find_toplevel_window (Window xid)
+{
+	Window root, parent, *children;
+	guint nchildren;
+
+	do {
+		if (XQueryTree (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), xid, &root,
+		                &parent, &children, &nchildren) == 0) {
+			g_warning ("Couldn't find window manager window");
+			return None;
+		}
+
+		if (root == parent)
+			return xid;
+
+		xid = parent;
+	} while (TRUE);
+}
+
+
+static gboolean
+adjust_size_callback (GcrShooterInfo *info)
+{
+	Window toplevel;
+	Window root;
+	GdkWindow *window;
+	gint tx;
+	gint ty;
+	guint twidth;
+	guint theight;
+	guint tborder_width;
+	guint tdepth;
+	gint target_width = 0;
+	gint target_height = 0;
+
+	window = gtk_widget_get_window (info->window);
+	toplevel = find_toplevel_window (GDK_WINDOW_XID (window));
+	XGetGeometry (GDK_WINDOW_XDISPLAY (window), toplevel,
+	              &root, &tx, &ty, &twidth, &theight, &tborder_width, &tdepth);
+
+	switch (info->size) {
+	case GCR_SHOOTER_SMALL:
+		target_width = SMALL_WIDTH;
+		target_height = SMALL_HEIGHT;
+		break;
+	case GCR_SHOOTER_MEDIUM:
+		target_width = MEDIUM_WIDTH;
+		target_height = MEDIUM_HEIGHT;
+		break;
+	case GCR_SHOOTER_LARGE:
+		target_width = LARGE_WIDTH;
+		target_height = LARGE_HEIGHT;
+		break;
+	case GCR_SHOOTER_ASIS:
+		target_width = twidth;
+		target_height = theight;
+		break;
+	}
+
+	if (twidth > target_width || theight > target_height) {
+		gtk_widget_set_size_request (info->window,
+		                             2 + target_width - (twidth - target_width), /* Dunno why I need the +2 fudge factor; */
+		                             2 + target_height - (theight - target_height));
+	}
+	return FALSE;
+}
+
+static void
+realize_callback (GtkWidget  *widget, GcrShooterInfo *info)
+{
+	gdk_threads_add_timeout (500, (GSourceFunc)adjust_size_callback, info);
+}
+
+GcrShooterInfo*
+gcr_shooter_info_new (const gchar *name, GtkWidget *widget, GcrShooterSize size)
+{
+	GcrShooterInfo *info;
+
+	info = g_new0 (GcrShooterInfo, 1);
+	info->name = g_strdup (name);
+	info->size = size;
+	if (GTK_IS_WINDOW (widget)) {
+		info->window = widget;
+		gtk_window_set_resizable (GTK_WINDOW (info->window), FALSE);
+		info->include_decorations = TRUE;
+		g_signal_connect (info->window, "realize", G_CALLBACK (realize_callback), info);
+	} else {
+		info->window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+		gtk_window_set_has_resize_grip (GTK_WINDOW (info->window), FALSE);
+		info->include_decorations = FALSE;
+		gtk_widget_show_all (widget);
+		gtk_container_add (GTK_CONTAINER (info->window), widget);
+	}
+	info->no_focus = TRUE;
+
+	gtk_widget_set_app_paintable (info->window, TRUE);
+	g_signal_connect (info->window, "focus", G_CALLBACK (gtk_true), NULL);
+	gtk_container_set_border_width (GTK_CONTAINER (info->window), 12);
+
+	switch (size) {
+	case GCR_SHOOTER_SMALL:
+		gtk_widget_set_size_request (info->window, 240, 75);
+		break;
+	case GCR_SHOOTER_MEDIUM:
+		gtk_widget_set_size_request (info->window, 240, 165);
+		break;
+	case GCR_SHOOTER_LARGE:
+		gtk_widget_set_size_request (info->window, 240, 240);
+		break;
+	default:
+		break;
+	}
+
+	return info;
+}
+
+#define BLUR_RADIUS 5
+#define SHADOW_OFFSET (BLUR_RADIUS * 4 / 5)
+#define SHADOW_OPACITY 0.75
+
+typedef struct {
+	int size;
+	double *data;
+} ConvFilter;
+
+static double
+gaussian (double x, double y, double r)
+{
+	return ((1 / (2 * M_PI * r)) *
+	        exp ((- (x * x + y * y)) / (2 * r * r)));
+}
+
+static ConvFilter *
+create_blur_filter (int radius)
+{
+	ConvFilter *filter;
+	int x, y;
+	double sum;
+
+	filter = g_new0 (ConvFilter, 1);
+	filter->size = radius * 2 + 1;
+	filter->data = g_new (double, filter->size * filter->size);
+
+	sum = 0.0;
+
+	for (y = 0 ; y < filter->size; y++) {
+		for (x = 0 ; x < filter->size; x++) {
+			sum += filter->data[y * filter->size + x] = gaussian (x - (filter->size >> 1),
+			       y - (filter->size >> 1),
+			       radius);
+		}
+	}
+
+	for (y = 0; y < filter->size; y++) {
+		for (x = 0; x < filter->size; x++) {
+			filter->data[y * filter->size + x] /= sum;
+		}
+	}
+
+	return filter;
+
+}
+
+static GdkPixbuf *
+create_shadow (GdkPixbuf *src)
+{
+	int x, y, i, j;
+	int width, height;
+	GdkPixbuf *dest;
+	static ConvFilter *filter = NULL;
+	int src_rowstride, dest_rowstride;
+	int src_bpp, dest_bpp;
+	guchar *src_pixels, *dest_pixels;
+
+	if (!filter)
+		filter = create_blur_filter (BLUR_RADIUS);
+
+	width = gdk_pixbuf_get_width (src) + BLUR_RADIUS * 2 + SHADOW_OFFSET;
+	height = gdk_pixbuf_get_height (src) + BLUR_RADIUS * 2 + SHADOW_OFFSET;
+
+	dest = gdk_pixbuf_new (gdk_pixbuf_get_colorspace (src),
+	                       gdk_pixbuf_get_has_alpha (src),
+	                       gdk_pixbuf_get_bits_per_sample (src),
+	                       width, height);
+	gdk_pixbuf_fill (dest, 0);
+	src_pixels = gdk_pixbuf_get_pixels (src);
+	src_rowstride = gdk_pixbuf_get_rowstride (src);
+	src_bpp = gdk_pixbuf_get_has_alpha (src) ? 4 : 3;
+
+	dest_pixels = gdk_pixbuf_get_pixels (dest);
+	dest_rowstride = gdk_pixbuf_get_rowstride (dest);
+	dest_bpp = gdk_pixbuf_get_has_alpha (dest) ? 4 : 3;
+
+	for (y = 0; y < height; y++) {
+		for (x = 0; x < width; x++) {
+			int sumr = 0, sumg = 0, sumb = 0, suma = 0;
+
+			for (i = 0; i < filter->size; i++) {
+				for (j = 0; j < filter->size; j++) {
+					int src_x, src_y;
+
+					src_y = -(BLUR_RADIUS + SHADOW_OFFSET) + y - (filter->size >> 1) + i;
+					src_x = -(BLUR_RADIUS + SHADOW_OFFSET) + x - (filter->size >> 1) + j;
+
+					if (src_y < 0 || src_y > gdk_pixbuf_get_height (src) ||
+					    src_x < 0 || src_x > gdk_pixbuf_get_width (src))
+						continue;
+
+					sumr += src_pixels [src_y * src_rowstride +
+					                    src_x * src_bpp + 0] *
+					                    filter->data [i * filter->size + j];
+					sumg += src_pixels [src_y * src_rowstride +
+					                    src_x * src_bpp + 1] *
+					                    filter->data [i * filter->size + j];
+
+					sumb += src_pixels [src_y * src_rowstride +
+					                    src_x * src_bpp + 2] *
+					                    filter->data [i * filter->size + j];
+
+					if (src_bpp == 4)
+						suma += src_pixels [src_y * src_rowstride +
+						                    src_x * src_bpp + 3] *
+						                    filter->data [i * filter->size + j];
+				}
+			}
+
+			if (dest_bpp == 4)
+				dest_pixels [y * dest_rowstride +
+				             x * dest_bpp + 3] = suma * SHADOW_OPACITY;
+		}
+	}
+
+	return dest;
+}
+
+GdkPixbuf *
+create_shadowed_pixbuf (GdkPixbuf *src)
+{
+	GdkPixbuf *dest;
+
+	dest = create_shadow (src);
+
+	gdk_pixbuf_composite (src, dest,
+	                      BLUR_RADIUS, BLUR_RADIUS,
+	                      gdk_pixbuf_get_width (src),
+	                      gdk_pixbuf_get_height (src),
+	                      BLUR_RADIUS, BLUR_RADIUS, 1.0, 1.0,
+	                      GDK_INTERP_NEAREST, 255);
+	return dest;
+}
+static GdkPixbuf *
+add_border_to_shot (GdkPixbuf *pixbuf)
+{
+	GdkPixbuf *retval;
+
+	retval = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
+	                         gdk_pixbuf_get_width (pixbuf) + 2,
+	                         gdk_pixbuf_get_height (pixbuf) + 2);
+
+	/* Fill with solid black */
+	gdk_pixbuf_fill (retval, 0xFF);
+	gdk_pixbuf_copy_area (pixbuf,
+	                      0, 0,
+	                      gdk_pixbuf_get_width (pixbuf),
+	                      gdk_pixbuf_get_height (pixbuf),
+	                      retval, 1, 1);
+
+	return retval;
+}
+
+static GdkPixbuf *
+remove_shaped_area (GdkPixbuf *pixbuf, Window window)
+{
+	GdkPixbuf *retval;
+	XRectangle *rectangles;
+	int rectangle_count, rectangle_order;
+	int i;
+
+	retval = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
+	                         gdk_pixbuf_get_width (pixbuf),
+	                         gdk_pixbuf_get_height (pixbuf));
+
+	gdk_pixbuf_fill (retval, 0);
+	rectangles = XShapeGetRectangles (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), window,
+	                                  ShapeBounding, &rectangle_count, &rectangle_order);
+
+	for (i = 0; i < rectangle_count; i++) {
+		int y, x;
+
+		for (y = rectangles[i].y; y < rectangles[i].y + rectangles[i].height; y++) {
+			guchar *src_pixels, *dest_pixels;
+
+			src_pixels = gdk_pixbuf_get_pixels (pixbuf) +
+			             y * gdk_pixbuf_get_rowstride (pixbuf) +
+			             rectangles[i].x * (gdk_pixbuf_get_has_alpha (pixbuf) ? 4 : 3);
+			dest_pixels = gdk_pixbuf_get_pixels (retval) +
+			              y * gdk_pixbuf_get_rowstride (retval) +
+			              rectangles[i].x * 4;
+
+			for (x = rectangles[i].x; x < rectangles[i].x + rectangles[i].width; x++) {
+				*dest_pixels++ = *src_pixels ++;
+				*dest_pixels++ = *src_pixels ++;
+				*dest_pixels++ = *src_pixels ++;
+				*dest_pixels++ = 255;
+
+				if (gdk_pixbuf_get_has_alpha (pixbuf))
+					src_pixels++;
+			}
+		}
+	}
+
+	return retval;
+}
+
+static GdkPixbuf *
+take_window_shot (Window child, gboolean include_decoration)
+{
+	GdkWindow *window;
+	Display *disp;
+	Window w, xid;
+	gint x_orig, y_orig;
+	gint x = 0, y = 0;
+	gint width, height;
+
+	GdkPixbuf *tmp, *tmp2;
+	GdkPixbuf *retval;
+
+	disp = GDK_DISPLAY_XDISPLAY (gdk_display_get_default ());
+	w = GDK_ROOT_WINDOW ();
+
+	if (include_decoration)
+		xid = find_toplevel_window (child);
+	else
+		xid = child;
+
+	window = gdk_x11_window_foreign_new_for_display (gdk_display_get_default (), xid);
+
+	width = gdk_window_get_width (window);
+	height = gdk_window_get_height (window);
+	gdk_window_get_origin (window, &x_orig, &y_orig);
+
+	if (x_orig < 0) {
+		x = - x_orig;
+		width = width + x_orig;
+		x_orig = 0;
+	}
+
+	if (y_orig < 0) {
+		y = - y_orig;
+		height = height + y_orig;
+		y_orig = 0;
+	}
+
+	if (x_orig + width > gdk_screen_width ())
+		width = gdk_screen_width () - x_orig;
+
+	if (y_orig + height > gdk_screen_height ())
+		height = gdk_screen_height () - y_orig;
+
+	tmp = gdk_pixbuf_get_from_window (window, x, y, width, height);
+
+	if (include_decoration)
+		tmp2 = remove_shaped_area (tmp, xid);
+	else
+		tmp2 = add_border_to_shot (tmp);
+
+	retval = create_shadowed_pixbuf (tmp2);
+	g_object_unref (tmp);
+	g_object_unref (tmp2);
+
+	return retval;
+}
+
+int
+main (int argc, char **argv)
+{
+	GdkPixbuf *screenshot = NULL;
+	GError *error = NULL;
+	GtkAllocation allocation;
+	GcrShooterInfo *info;
+	GdkWindow *window;
+	const gchar *outdir;
+	XID id;
+	char *filename;
+
+	/*
+	 * If there's no DISPLAY, we silently error out.  We don't want to break
+	 * headless builds.
+	 */
+
+	if (!gtk_init_check (&argc, &argv))
+		return 0;
+
+	if (argc < 2 || !argv[1]) {
+		g_printerr ("specify name of widget\n");
+		return 2;
+	}
+
+	info = gcr_widgets_create (argv[1]);
+	if (info == NULL) {
+		g_printerr ("no such widget: %s\n", argv[1]);
+		return 1;
+	}
+
+	gtk_widget_show (info->window);
+	window = gtk_widget_get_window (info->window);
+	gtk_widget_get_allocation (info->window, &allocation);
+
+	gtk_widget_show_now (info->window);
+	gtk_widget_queue_draw_area (info->window,
+	                            allocation.x, allocation.y,
+	                            allocation.width, allocation.height);
+	gdk_window_process_updates (window, TRUE);
+
+	while (gtk_events_pending ())
+		gtk_main_iteration ();
+	sleep (1);
+
+	while (gtk_events_pending ())
+		gtk_main_iteration ();
+
+	id = gdk_x11_window_get_xid (window);
+	screenshot = take_window_shot (id, info->include_decorations);
+
+	outdir = (argc >= 3) ? argv[2] : ".";
+	filename = g_strdup_printf ("%s/%s.png", outdir, info->name);
+	if (!gdk_pixbuf_save (screenshot, filename, "png", &error, NULL)) {
+		g_printerr ("couldn't write screenshot: %s: %s\n", filename, error->message);
+		g_clear_error (&error);
+		return 1;
+	}
+	g_free(filename);
+	gtk_widget_hide (info->window);
+
+	return 0;
+}
diff --git a/docs/reference/gcr/gcr-shooter.h b/docs/reference/gcr/gcr-shooter.h
new file mode 100644
index 0000000..407a364
--- /dev/null
+++ b/docs/reference/gcr/gcr-shooter.h
@@ -0,0 +1,23 @@
+
+#include <gtk/gtk.h>
+
+typedef enum {
+	GCR_SHOOTER_SMALL,
+	GCR_SHOOTER_MEDIUM,
+	GCR_SHOOTER_LARGE,
+	GCR_SHOOTER_ASIS
+} GcrShooterSize;
+
+typedef struct GcrShooterInfo {
+	GtkWidget *window;
+	gchar *name;
+	gboolean no_focus;
+	gboolean include_decorations;
+	GcrShooterSize size;
+} GcrShooterInfo;
+
+GcrShooterInfo*   gcr_widgets_create        (const gchar *name);
+
+GcrShooterInfo*   gcr_shooter_info_new      (const gchar *name,
+                                             GtkWidget *widget,
+                                             GcrShooterSize size);
diff --git a/docs/reference/gcr/gcr-visual-index.xml b/docs/reference/gcr/gcr-visual-index.xml
new file mode 100644
index 0000000..c3f43e8
--- /dev/null
+++ b/docs/reference/gcr/gcr-visual-index.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0"?>
+<!DOCTYPE para PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
+               "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd"; [
+]>
+<para role="gallery">
+  <link linkend="gcr-GcrCertificateWidget">
+    <inlinegraphic fileref="certificate-widget.png" format="PNG"></inlinegraphic>
+  </link>
+  <link linkend="gcr-GcrKeyWidget">
+    <inlinegraphic fileref="key-widget.png" format="PNG"></inlinegraphic>
+  </link>
+</para>
\ No newline at end of file
diff --git a/docs/reference/gcr/gcr-widgets.c b/docs/reference/gcr/gcr-widgets.c
new file mode 100644
index 0000000..30f08c3
--- /dev/null
+++ b/docs/reference/gcr/gcr-widgets.c
@@ -0,0 +1,86 @@
+
+#include "gcr-shooter.h"
+#include "gcr.h"
+
+static GcrShooterInfo *
+create_certificate_widget (const gchar *name)
+{
+	GError *error = NULL;
+	GcrCertificate *certificate;
+	GtkWidget *widget;
+	GtkWidget *align;
+	gchar *filename;
+	gchar *contents;
+	gsize length;
+
+	filename = g_build_filename (TOPDIR, "gcr", "tests", "files", "cacert.org.cer", NULL);
+	if (!g_file_get_contents (filename, &contents, &length, &error))
+		g_error ("couldn't read file: %s: %s", filename, error->message);
+	g_free (filename);
+
+	certificate = gcr_simple_certificate_new (contents, length);
+	g_free (contents);
+
+	widget = GTK_WIDGET (gcr_certificate_widget_new (certificate));
+	g_object_unref (certificate);
+
+	align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
+	gtk_container_add (GTK_CONTAINER (align), widget);
+
+	return gcr_shooter_info_new (name, align, GCR_SHOOTER_LARGE);
+}
+
+static void
+on_parser_key_parsed (GcrParser *parser, gpointer unused)
+{
+	GckAttributes **attrs = unused;
+	*attrs = gck_attributes_ref (gcr_parser_get_parsed_attributes (parser));
+}
+
+static GcrShooterInfo *
+create_key_widget (const gchar *name)
+{
+	GError *error = NULL;
+	GckAttributes *attrs = NULL;
+	GtkWidget *widget;
+	GtkWidget *align;
+	GcrParser *parser;
+	gchar *filename;
+	gchar *contents;
+	gsize length;
+
+	filename = g_build_filename (TOPDIR, "gcr", "tests", "files", "der-dsa-1024.key", NULL);
+	if (!g_file_get_contents (filename, &contents, &length, &error))
+		g_error ("couldn't read file: %s: %s", filename, error->message);
+	g_free (filename);
+
+	parser = gcr_parser_new ();
+	g_signal_connect (parser, "parsed", G_CALLBACK (on_parser_key_parsed), &attrs);
+	if (!gcr_parser_parse_data (parser, contents, length, &error))
+		g_error ("couldn't parse data: %s", error->message);
+	g_object_unref (parser);
+	g_free (contents);
+
+	g_assert (attrs);
+	widget = GTK_WIDGET (gcr_key_widget_new (attrs));
+	gck_attributes_unref (attrs);
+
+	align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
+	gtk_container_add (GTK_CONTAINER (align), widget);
+
+	return gcr_shooter_info_new (name, align, GCR_SHOOTER_LARGE);
+}
+
+
+GcrShooterInfo*
+gcr_widgets_create (const gchar *name)
+{
+	g_assert (name);
+
+	if (g_str_equal (name, "certificate-widget"))
+		return create_certificate_widget (name);
+	else if (g_str_equal (name, "key-widget"))
+		return create_key_widget (name);
+
+	return NULL;
+}
diff --git a/docs/reference/gcr/images/certificate-widget.png b/docs/reference/gcr/images/certificate-widget.png
new file mode 100644
index 0000000..adcfebf
Binary files /dev/null and b/docs/reference/gcr/images/certificate-widget.png differ
diff --git a/docs/reference/gcr/images/key-widget.png b/docs/reference/gcr/images/key-widget.png
new file mode 100644
index 0000000..a0b6f59
Binary files /dev/null and b/docs/reference/gcr/images/key-widget.png differ
diff --git a/gcr/tests/files/cacert.org.cer b/gcr/tests/files/cacert.org.cer
new file mode 100644
index 0000000..719b0ff
Binary files /dev/null and b/gcr/tests/files/cacert.org.cer differ
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