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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-03-09 00:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-03-09 00:06:44 +0000
commit44cf8ec67278bd1ab6c7f83a9993f7a5686a9541 (patch)
tree5eec4b0d1a3f163d279c3c27c03324ba49fa235a /gtk/zbargtkprivate.h
parentInitial commit. (diff)
downloadzbar-upstream.tar.xz
zbar-upstream.zip
Adding upstream version 0.23.93.upstream/0.23.93upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gtk/zbargtkprivate.h')
-rw-r--r--gtk/zbargtkprivate.h98
1 files changed, 98 insertions, 0 deletions
diff --git a/gtk/zbargtkprivate.h b/gtk/zbargtkprivate.h
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+/*------------------------------------------------------------------------
+ * Copyright 2008-2009 (c) Jeff Brown <spadix@users.sourceforge.net>
+ *
+ * This file is part of the ZBar Bar Code Reader.
+ *
+ * The ZBar Bar Code Reader is free software; you can redistribute it
+ * and/or modify it under the terms of the GNU Lesser Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * The ZBar Bar Code Reader is distributed in the hope that it will be
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser Public License
+ * along with the ZBar Bar Code Reader; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301 USA
+ *
+ * http://sourceforge.net/projects/zbar
+ *------------------------------------------------------------------------*/
+#ifndef __ZBAR_GTK_PRIVATE_H__
+#define __ZBAR_GTK_PRIVATE_H__
+
+#include <glib.h>
+#include <glib-object.h>
+#include <gtk/gtk.h>
+
+#include <zbar.h>
+
+G_BEGIN_DECLS
+
+#define ZBAR_TYPE_GTK_PRIVATE (zbar_gtk_private_get_type())
+#define ZBAR_GTK_PRIVATE(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj), ZBAR_TYPE_GTK_PRIVATE, ZBarGtkPrivate))
+#define ZBAR_GTK_PRIVATE_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass), ZBAR_TYPE_GTK_PRIVATE, \
+ ZBarGtkPrivateClass))
+#define ZBAR_IS_GTK_PRIVATE(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj), ZBAR_TYPE_GTK_PRIVATE))
+#define ZBAR_IS_GTK_PRIVATE_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass), ZBAR_TYPE_GTK_PRIVATE))
+#define ZBAR_GTK_PRIVATE_GET_CLASS(obj) \
+ (G_TYPE_INSTANCE_GET_CLASS((obj), ZBAR_TYPE_GTK_PRIVATE, \
+ ZBarGtkPrivateClass))
+
+/* zbar widget processor thread shared/private data */
+typedef struct _ZBarGtkPrivate {
+ GObject object;
+
+ /* these are all owned by the main gui thread */
+ gint idle_id;
+ const char *video_device;
+ gboolean video_enabled, video_enabled_state;
+
+ /* messages are queued from the gui thread to the processor thread.
+ * each message is a GValue containing one of:
+ * - G_TYPE_INT: state change
+ * 1 = video enable
+ * 0 = video disable
+ * -1 = terminate processor thread
+ * - G_TYPE_STRING: a named video device to open ("" to close)
+ * - GDK_TYPE_PIXBUF: an image to scan
+ */
+ GAsyncQueue *queue;
+
+ /* current processor state is shared:
+ * written by processor thread just after opening video or
+ * scanning an image, read by main gui thread during size_request.
+ * protected by main gui lock
+ */
+ unsigned req_width, req_height;
+ unsigned video_width, video_height;
+ gboolean video_opened;
+
+ /* window is shared: owned by main gui thread.
+ * processor thread only calls draw() and negotiate_format().
+ * protected by main gui lock (and internal lock)
+ */
+ zbar_window_t *window;
+
+ /* video and scanner are owned by the processor thread */
+ zbar_video_t *video;
+ zbar_image_scanner_t *scanner;
+
+} ZBarGtkPrivate;
+
+typedef struct _ZBarGtkPrivateClass {
+ GObjectClass parent_class;
+
+} ZBarGtkPrivateClass;
+
+static GType zbar_gtk_private_get_type(void) G_GNUC_CONST;
+
+G_END_DECLS
+
+#endif