[geany/geany-plugins] 669f09: Merge pull request #189 from b4n/git-changebar - Plugins-Commits

18 Feb 2015


      Branch:      refs/heads/master
Author:      Frank Lanitz frank@frank.uvena.de
Committer:   Frank Lanitz frank@frank.uvena.de
Date:        Wed, 18 Feb 2015 08:37:57 UTC
Commit:      669f097bd6a3567c534a77995da76bc5b725f6ef
             https://github.com/geany/geany-plugins/commit/669f097bd6a3567c534a77995da76b...
Log Message:
-----------
Merge pull request #189 from b4n/git-changebar
[New plugin] Git Change Bar
Modified Paths:
--------------
    MAINTAINERS
    Makefile.am
    build/git-changebar.m4
    configure.ac
    git-changebar/AUTHORS
    git-changebar/COPYING
    git-changebar/ChangeLog
    git-changebar/Makefile.am
    git-changebar/NEWS
    git-changebar/README
    git-changebar/data/Makefile.am
    git-changebar/data/prefs.ui
    git-changebar/src/Makefile.am
    git-changebar/src/gcb-plugin.c
    git-changebar/wscript_build
    git-changebar/wscript_configure
    po/POTFILES.in
Modified: MAINTAINERS
6 lines changed, 6 insertions(+), 0 deletions(-)
===================================================================
@@ -162,6 +162,12 @@ M: Enrico Trotta enrico.trt@gmail.com
 W:
 S: Maintained
+git-changebar
+P: Colomban Wendling ban@herbesfolles.org
+M: Colomban Wendling ban@herbesfolles.org
+W: http://plugins.geany.org/git-changebar.html
+S: Maintained
+
 markdown
 P: Matthew Brush matt@geany.org
 M: Matthew Brush matt@geany.org
Modified: Makefile.am
4 lines changed, 4 insertions(+), 0 deletions(-)
===================================================================
@@ -103,6 +103,10 @@ if ENABLE_GENIUSPASTE
 SUBDIRS += geniuspaste
 endif
+if ENABLE_GITCHANGEBAR
+SUBDIRS += git-changebar
+endif
+
 if ENABLE_MARKDOWN
 SUBDIRS += markdown
 endif
Modified: build/git-changebar.m4
17 lines changed, 17 insertions(+), 0 deletions(-)
===================================================================
@@ -0,0 +1,17 @@
+AC_DEFUN([GP_CHECK_GITCHANGEBAR],
+[
+    GP_ARG_DISABLE([GitChangeBar], [auto])
+
+    GP_CHECK_PLUGIN_DEPS([GitChangeBar], [GITCHANGEBAR],
+                         [$GP_GTK_PACKAGE >= 2.18
+                          glib-2.0
+                          libgit2 >= 0.18])
+
+    GP_COMMIT_PLUGIN_STATUS([GitChangeBar])
+
+    AC_CONFIG_FILES([
+        git-changebar/Makefile
+        git-changebar/data/Makefile
+        git-changebar/src/Makefile
+    ])
+])
Modified: configure.ac
1 lines changed, 1 insertions(+), 0 deletions(-)
===================================================================
@@ -51,6 +51,7 @@ GP_CHECK_GEANYSENDMAIL
 GP_CHECK_GEANYVC
 GP_CHECK_GEANYPG
 GP_CHECK_GENIUSPASTE
+GP_CHECK_GITCHANGEBAR
 GP_CHECK_MARKDOWN
 GP_CHECK_MULTITERM
 GP_CHECK_PAIRTAGHIGHLIGHTER
Modified: git-changebar/AUTHORS
1 lines changed, 1 insertions(+), 0 deletions(-)
===================================================================
@@ -0,0 +1 @@
+Colomban Wendling <ban(at)herbesfolles(dot)org>
Modified: git-changebar/COPYING
674 lines changed, 674 insertions(+), 0 deletions(-)
===================================================================
@@ -0,0 +1,674 @@
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+work if you are a party to an arrangement with a third party that is
+in the business of distributing software, under which you make payment
+to the third party based on the extent of your activity of conveying
+the work, and under which the third party grants, to any of the
+parties who would receive the covered work from you, a discriminatory
+patent license (a) in connection with copies of the covered work
+conveyed by you (or copies made from those copies), or (b) primarily
+for and in connection with specific products or compilations that
+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU Affero General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see http://www.gnu.org/licenses/.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+http://www.gnu.org/licenses/.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+http://www.gnu.org/philosophy/why-not-lgpl.html.
Modified: git-changebar/ChangeLog
0 lines changed, 0 insertions(+), 0 deletions(-)
===================================================================
No diff available, check online
Modified: git-changebar/Makefile.am
4 lines changed, 4 insertions(+), 0 deletions(-)
===================================================================
@@ -0,0 +1,4 @@
+include $(top_srcdir)/build/vars.auxfiles.mk
+plugin = git-changebar
+
+SUBDIRS = data src
Modified: git-changebar/NEWS
0 lines changed, 0 insertions(+), 0 deletions(-)
===================================================================
No diff available, check online
Modified: git-changebar/README
55 lines changed, 55 insertions(+), 0 deletions(-)
===================================================================
@@ -0,0 +1,55 @@
+==============
+Git Change Bar
+==============
+
+.. contents::
+
+
+About
+=====
+
+This plugin highlights uncommitted changes to files tracked with Git.
+
+
+Requirements
+============
+
+This plugin depends on libgit2, and obviously Geany (>= 1.25).
+
+
+Installation
+============
+
+For detailed instructions, see the INSTALL file of the Geany-Plugins package
+this plugin is part of.
+
+
+Usage
+=====
+
+When loaded into Geany, this plugins adds markers in the markers margin.
+If the marker margin is not visible, they are displayed as line backgrounds.
+
+
+License
+=======
+
+This plugin is distributed under the terms of the GNU General Public License
+as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version. You should have received a copy
+of the GNU General Public License along with WebHelper.  If not, see
+http://www.gnu.org/licenses/.
+
+
+Contact
+=======
+
+You can email me at <ban(at)herbesfolles(dot)org>, and I may also be on the
+#geany channel on FreeNode, under the `b4n` nickname.
+
+
+Bug reports and feature requests
+--------------------------------
+
+To report a bug or ask for a new feature, please use the Geany-Plugins tracker
+on SourceForge: http://sourceforge.net/tracker/?group_id=222729
Modified: git-changebar/data/Makefile.am
4 lines changed, 4 insertions(+), 0 deletions(-)
===================================================================
@@ -0,0 +1,4 @@
+include $(top_srcdir)/build/vars.docs.mk
+plugin = git-changebar
+
+dist_plugindata_DATA = prefs.ui
Modified: git-changebar/data/prefs.ui
180 lines changed, 180 insertions(+), 0 deletions(-)
===================================================================
@@ -0,0 +1,180 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <requires lib="gtk+" version="2.16"/>
+  <!-- interface-naming-policy toplevel-contextual -->
+  <object class="GtkVBox" id="base">
+    <property name="visible">True</property>
+    <property name="can_focus">False</property>
+    <property name="spacing">6</property>
+    <child>
+      <object class="GtkCheckButton" id="monitoring-check">
+        <property name="label" translatable="yes">_Monitor repository for changes</property>
+        <property name="visible">True</property>
+        <property name="can_focus">True</property>
+        <property name="receives_default">False</property>
+        <property name="tooltip_text" translatable="yes">Whether to automatically update the diff in order to maintain it up to date when the underlying Git repository changes.  This should generally be enabled for optimal user experience.</property>
+        <property name="use_underline">True</property>
+        <property name="xalign">0</property>
+        <property name="draw_indicator">True</property>
+      </object>
+      <packing>
+        <property name="expand">False</property>
+        <property name="fill">True</property>
+        <property name="position">0</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkFrame" id="frame1">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="label_xalign">0</property>
+        <property name="shadow_type">none</property>
+        <child>
+          <object class="GtkAlignment" id="alignment1">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="left_padding">12</property>
+            <child>
+              <object class="GtkVBox" id="box2">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <child>
+                  <object class="GtkHBox" id="box3">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="spacing">6</property>
+                    <child>
+                      <object class="GtkLabel" id="label2">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label" translatable="yes">_Added lines:</property>
+                        <property name="use_underline">True</property>
+                        <property name="mnemonic_widget">added-color-button</property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="position">0</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkColorButton" id="added-color-button">
+                        <property name="visible">True</property>
+                        <property name="can_focus">True</property>
+                        <property name="receives_default">True</property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="pack_type">end</property>
+                        <property name="position">1</property>
+                      </packing>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkHBox" id="box4">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="spacing">6</property>
+                    <child>
+                      <object class="GtkLabel" id="label3">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label" translatable="yes">_Changed lines:</property>
+                        <property name="use_underline">True</property>
+                        <property name="mnemonic_widget">changed-color-button</property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="position">0</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkColorButton" id="changed-color-button">
+                        <property name="visible">True</property>
+                        <property name="can_focus">True</property>
+                        <property name="receives_default">True</property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="pack_type">end</property>
+                        <property name="position">1</property>
+                      </packing>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">1</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkHBox" id="box5">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="spacing">6</property>
+                    <child>
+                      <object class="GtkLabel" id="label4">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label" translatable="yes">_Removed lines:</property>
+                        <property name="use_underline">True</property>
+                        <property name="mnemonic_widget">removed-color-button</property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="position">0</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkColorButton" id="removed-color-button">
+                        <property name="visible">True</property>
+                        <property name="can_focus">True</property>
+                        <property name="receives_default">True</property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="pack_type">end</property>
+                        <property name="position">1</property>
+                      </packing>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">2</property>
+                  </packing>
+                </child>
+              </object>
+            </child>
+          </object>
+        </child>
+        <child type="label">
+          <object class="GtkLabel" id="label1">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">Colors</property>
+            <attributes>
+              <attribute name="weight" value="bold"/>
+            </attributes>
+          </object>
+        </child>
+      </object>
+      <packing>
+        <property name="expand">True</property>
+        <property name="fill">True</property>
+        <property name="position">1</property>
+      </packing>
+    </child>
+  </object>
+</interface>
Modified: git-changebar/src/Makefile.am
13 lines changed, 13 insertions(+), 0 deletions(-)
===================================================================
@@ -0,0 +1,13 @@
+include $(top_srcdir)/build/vars.build.mk
+plugin = git-changebar
+
+geanyplugins_LTLIBRARIES = git-changebar.la
+
+git_changebar_la_SOURCES  = gcb-plugin.c
+git_changebar_la_CPPFLAGS = $(AM_CPPFLAGS) -DG_LOG_DOMAIN="GitChangeBar" \
+                            -DPLUGIN=""$(plugin)""
+git_changebar_la_CFLAGS   = $(AM_CFLAGS) $(GITCHANGEBAR_CFLAGS)
+git_changebar_la_LIBADD   = $(COMMONLIBS) \
+                            $(GITCHANGEBAR_LIBS)
+
+include $(top_srcdir)/build/cppcheck.mk
Modified: git-changebar/src/gcb-plugin.c
1236 lines changed, 1236 insertions(+), 0 deletions(-)
===================================================================
@@ -0,0 +1,1236 @@
+/*
+ *  
+ *  Copyright (C) 2014  Colomban Wendling ban@herbesfolles.org
+ *  
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *  
+ *  This program 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 General Public License for more details.
+ *  
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see http://www.gnu.org/licenses/.
+ *  
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <glib.h>
+#include <glib/gi18n-lib.h>
+#include <gio/gio.h>
+#include <gtk/gtk.h>
+
+#include <git2.h>
+
+#include <geanyplugin.h>
+#include <geany.h>
+#include <document.h>
+
+#if ! defined (LIBGIT2_SOVERSION) || LIBGIT2_SOVERSION < 22
+# define git_libgit2_init     git_threads_init
+# define git_libgit2_shutdown git_threads_shutdown
+#endif
+#if LIBGIT2_VER_MAJOR == 0 && LIBGIT2_VER_MINOR < 20
+# define git_diff_hunk git_diff_range
+#endif
+
+
+GeanyPlugin      *geany_plugin;
+GeanyData        *geany_data;
+GeanyFunctions   *geany_functions;
+
+
+PLUGIN_VERSION_CHECK(219) /* for document IDs */
+
+PLUGIN_SET_TRANSLATABLE_INFO (
+  LOCALEDIR, GETTEXT_PACKAGE,
+  _("Git Change Bar"),
+  _("Highlights uncommitted changes in files tracked with Git"),
+  "0.1",
+  "Colomban Wendling ban@herbesfolles.org"
+)
+
+
+/* g_async_queue_push() doesn't allow for NULL data, so use a non-NULL fake
+ * data that we know cannot ever be a valid job */
+#define QUIT_THREAD_JOB ((AsyncBlobJob *) (&G_queue))
+
+#define RESOURCES_ALLOCATED_QTAG \
+  (g_quark_from_static_string (PLUGIN"/git-resources-allocated"))
+
+
+enum {
+  MARKER_LINE_ADDED,
+  MARKER_LINE_CHANGED,
+  MARKER_LINE_REMOVED,
+  MARKER_COUNT
+};
+
+typedef void (*BlobReadyFunc) (const gchar *path,
+                               git_blob    *blob,
+                               gpointer     data);
+
+typedef struct AsyncBlobJob AsyncBlobJob;
+struct AsyncBlobJob {
+  gboolean      force;
+  gchar        *path;
+  git_blob     *blob;
+  BlobReadyFunc callback;
+  gpointer      user_data;
+};
+
+typedef struct TooltipHunkData TooltipHunkData;
+struct TooltipHunkData {
+  gint            line;
+  gboolean        found;
+  GeanyDocument  *doc;
+  const git_blob *file_blob;
+  GtkTooltip     *tooltip;
+};
+
+#define TOOLTIP_HUNK_DATA_INIT(line, doc, blob, tooltip) \
+  { line, FALSE, doc, blob, tooltip }
+
+
+static void         on_git_head_changed         (GFileMonitor     *monitor,
+                                                 GFile            *file,
+                                                 GFile            *other_file,
+                                                 GFileMonitorEvent event_type,
+                                                 gpointer          user_data);
+static void         on_git_ref_changed          (GFileMonitor     *monitor,
+                                                 GFile            *file,
+                                                 GFile            *other_file,
+                                                 GFileMonitorEvent event_type,
+                                                 gpointer          user_data);
+static gboolean     on_sci_query_tooltip        (GtkWidget   *widget,
+                                                 gint         x,
+                                                 gint         y,
+                                                 gboolean     keyboard_mode,
+                                                 GtkTooltip  *tooltip,
+                                                 gpointer     user_data);
+static void         read_setting_color          (GKeyFile    *kf,
+                                                 const gchar *group,
+                                                 const gchar *key,
+                                                 gpointer     value);
+static void         write_setting_color         (GKeyFile      *kf,
+                                                 const gchar   *group,
+                                                 const gchar   *key,
+                                                 gconstpointer  value);
+static void         read_setting_boolean        (GKeyFile    *kf,
+                                                 const gchar *group,
+                                                 const gchar *key,
+                                                 gpointer     value);
+static void         write_setting_boolean       (GKeyFile      *kf,
+                                                 const gchar   *group,
+                                                 const gchar   *key,
+                                                 gconstpointer  value);
+
+
+/* cache */
+static git_blob        *G_file_blob           = NULL;
+/* global state */
+static GAsyncQueue     *G_queue               = NULL;
+static GThread         *G_thread              = NULL;
+static gulong           G_source_id           = 0;
+static gboolean         G_monitoring_enabled  = TRUE;
+static struct {
+  gint    num;
+  gint    style;
+  guint32 color;
+}                       G_markers[MARKER_COUNT] = {
+  { -1, SC_MARK_LEFTRECT, 0x73d216 },
+  { -1, SC_MARK_LEFTRECT, 0xf57900 },
+  { -1, SC_MARK_LEFTRECT, 0xcc0000 }
+};
+/* settings description */
+static const struct {
+  const gchar  *group;
+  const gchar  *key;
+  gpointer      value;
+  void        (*read)   (GKeyFile    *kf,
+                         const gchar *group,
+                         const gchar *key,
+                         gpointer     value);
+  void        (*write)  (GKeyFile      *kf,
+                         const gchar   *group,
+                         const gchar   *key,
+                         gconstpointer  value);
+} G_settings_desc[] = {
+  { "general", "monitor-repository", &G_monitoring_enabled,
+    read_setting_boolean, write_setting_boolean },
+  { "colors", "line-added", &G_markers[MARKER_LINE_ADDED].color,
+    read_setting_color, write_setting_color },
+  { "colors", "line-changed", &G_markers[MARKER_LINE_CHANGED].color,
+    read_setting_color, write_setting_color },
+  { "colors", "line-removed", &G_markers[MARKER_LINE_REMOVED].color,
+    read_setting_color, write_setting_color }
+};
+
+
+static void
+clear_cached_blob (void)
+{
+  if (G_file_blob) {
+    git_blob_free (G_file_blob);
+    G_file_blob = NULL;
+  }
+}
+
+/* get the file blob for @relpath at HEAD */
+static git_blob *
+repo_get_file_blob (git_repository *repo,
+                    const gchar    *relpath)
+{
+  git_reference  *head = NULL;
+  git_blob       *blob = NULL;
+  
+  if (git_repository_head (&head, repo) == 0) {
+    git_commit *commit = NULL;
+    
+    if (git_commit_lookup (&commit, repo, git_reference_target (head)) == 0) {
+      git_tree *tree = NULL;
+      
+      if (git_commit_tree (&tree, commit) == 0) {
+        git_tree_entry *entry = NULL;
+        
+        if (git_tree_entry_bypath (&entry, tree, relpath) == 0) {
+          git_blob_lookup (&blob, repo, git_tree_entry_id (entry));
+          git_tree_entry_free (entry);
+        }
+        git_tree_free (tree);
+      }
+      git_commit_free (commit);
+    }
+    git_reference_free (head);
+  }
+  
+  return blob;
+}
+
+static void
+free_job (gpointer data)
+{
+  AsyncBlobJob *job = data;
+  
+  g_free (job->path);
+  g_slice_free1 (sizeof *job, job);
+}
+
+static gboolean
+report_work_in_idle (gpointer data)
+{
+  AsyncBlobJob *job = data;
+  
+  /* update cached blob */
+  clear_cached_blob ();
+  G_file_blob = job->blob;
+  
+  job->callback (job->path, job->blob, job->user_data);
+  
+  return FALSE;
+}
+
+static GFileMonitor *
+monitor_repo_file (git_repository  *repo,
+                   const gchar     *subpath,
+                   GCallback        changed_callback,
+                   gpointer         user_data)
+{
+  GFile        *file    = NULL;
+  GError       *err     = NULL;
+  GFileMonitor *monitor = NULL;
+  gchar        *path    = g_build_filename (git_repository_path (repo),
+                                            subpath, NULL);
+  
+  file = g_file_new_for_path (path);
+  monitor = g_file_monitor (file, 0, NULL, &err);
+  if (err) {
+    g_warning ("Failed to monitor %s: %s", path, err->message);
+    g_error_free (err);
+  } else {
+    g_signal_connect (monitor, "changed", changed_callback, user_data);
+  }
+  g_object_unref (file);
+  g_free (path);
+  
+  return monitor;
+}
+
+/* monitors the current reference HEAD points to (probably a branch) */
+static GFileMonitor *
+monitor_head_ref (git_repository *repo,
+                  GCallback       changed_callback,
+                  gpointer        user_data)
+{
+  git_reference  *head    = NULL;
+  GFileMonitor   *monitor = NULL;
+  
+  if (! git_repository_head_detached (repo) &&
+      git_repository_head (&head, repo) == 0) {
+    monitor = monitor_repo_file (repo, git_reference_name (head),
+                                 changed_callback, user_data);
+    git_reference_free (head);
+  }
+  
+  return monitor;
+}
+
+static gpointer
+worker_thread (gpointer data)
+{
+  GAsyncQueue    *queue       = data;
+  git_repository *repo        = NULL;
+  GFileMonitor   *monitors[2] = { NULL, NULL };
+  AsyncBlobJob   *job;
+  guint           i;
+  
+  while ((job = g_async_queue_pop (queue)) != QUIT_THREAD_JOB) {
+    const gchar *path = job->path;
+    
+    if (repo && (job->force ||
+                 ! g_str_has_prefix (path, git_repository_workdir (repo)))) {
+      /* FIXME: this can fail with nested repositories */
+      git_repository_free (repo);
+      repo = NULL;
+      for (i = 0; i < G_N_ELEMENTS (monitors); i++) {
+        if (monitors[i]) {
+          g_object_unref (monitors[i]);
+          monitors[i] = NULL;
+        }
+      }
+    }
+    if (! repo && git_repository_open_ext (&repo, path, 0, NULL) == 0) {
+      if (git_repository_is_bare (repo)) {
+        git_repository_free (repo);
+        repo = NULL;
+      } else if (G_monitoring_enabled) {
+        /* we need to monitor HEAD, in case of e.g. branch switch (e.g.
+         * git checkout -b will switch the ref we need to watch) */
+        monitors[0] = monitor_repo_file (repo, "HEAD",
+                                         G_CALLBACK (on_git_head_changed),
+                                         job->user_data);
+        /* and of course the real ref (branch) for when changes get committed */
+        monitors[1] = monitor_head_ref (repo, G_CALLBACK (on_git_ref_changed),
+                                        job->user_data);
+      }
+    }
+    
+    if (repo) {
+      const gchar *relpath = path + strlen (git_repository_workdir (repo));
+      
+      job->blob = repo_get_file_blob (repo, relpath);
+    } else {
+      job->blob = NULL;
+    }
+    
+    g_idle_add_full (G_PRIORITY_LOW, report_work_in_idle, job, free_job);
+  }
+  
+  for (i = 0; i < G_N_ELEMENTS (monitors); i++) {
+    if (monitors[i]) {
+      g_object_unref (monitors[i]);
+      monitors[i] = NULL;
+    }
+  }
+  if (repo) {
+    git_repository_free (repo);
+  }
+  
+  return NULL;
+}
+
+/* @user_data will also be used to the file monitor callback */
+static void
+get_cached_blob_async (const gchar   *path,
+                       gboolean       force,
+                       BlobReadyFunc  callback,
+                       gpointer       user_data)
+{
+  if ((! force && G_file_blob) || ! path) {
+    callback (path, G_file_blob, user_data);
+  } else {
+    AsyncBlobJob *job = g_slice_alloc (sizeof *job);
+    
+    job->force      = force;
+    job->path       = g_strdup (path);
+    job->blob       = NULL;
+    job->callback   = callback;
+    job->user_data  = user_data;
+    
+    if (! G_thread) {
+      G_queue = g_async_queue_new ();
+#if GLIB_CHECK_VERSION (2, 32, 0)
+      G_thread = g_thread_new (PLUGIN"/blob-worker", worker_thread, G_queue);
+#else
+      G_thread = g_thread_create (worker_thread, G_queue, NULL, NULL);
+#endif
+    }
+    
+    g_async_queue_push (G_queue, job);
+  }
+}
+
+static gint
+allocate_marker (ScintillaObject *sci,
+                 guint            marker)
+{
+  g_return_val_if_fail (marker < MARKER_COUNT, -1);
+  
+  if (G_markers[marker].num == -1) {
+    gint i;
+    
+    G_markers[marker].num = -2;
+    /* markers 0-1 and 25-31 are reserved */
+    for (i = 2; G_markers[marker].num < 0 && i < 25; i++) {
+      gint sym = scintilla_send_message (sci, SCI_MARKERSYMBOLDEFINED, i, 0);
+      
+      if (sym == SC_MARK_AVAILABLE ||
+          sym == 0 /* unfortunately it's also SC_MARK_CIRCLE */) {
+        guint j;
+        
+        /* check if we already allocate it but not defined it yet */
+        for (j = 0; j < MARKER_COUNT && G_markers[j].num != i; j++) {
+          /* nothing */
+        }
+        if (j == MARKER_COUNT) {
+          G_markers[marker].num = i;
+        }
+      }
+    }
+  }
+  
+  return G_markers[marker].num;
+}
+
+static gboolean
+allocate_resources (ScintillaObject *sci)
+{
+  guint i;
+  
+  if (g_object_get_qdata (G_OBJECT (sci), RESOURCES_ALLOCATED_QTAG)) {
+    return TRUE;
+  }
+  
+  /* allocate all markers first so we have all or nothing */
+  for (i = 0; i < MARKER_COUNT; i++) {
+    if (allocate_marker (sci, i) < 0) {
+      return FALSE;
+    }
+  }
+  
+  for (i = 0; i < MARKER_COUNT; i++) {
+    scintilla_send_message (sci, SCI_MARKERDEFINE,
+                            G_markers[i].num, G_markers[i].style);    
+    scintilla_send_message (sci, SCI_MARKERSETBACK,
+                            G_markers[i].num,
+                            /* Scintilla uses BGR */
+                            ((G_markers[i].color & 0xff0000) >> 16) |
+                            ((G_markers[i].color & 0x00ff00)) |
+                            ((G_markers[i].color & 0x0000ff) << 16));
+  }
+  
+  /* setup tooltips */
+  gtk_widget_set_has_tooltip (GTK_WIDGET (sci), TRUE);
+  g_signal_connect (sci, "query-tooltip",
+                    G_CALLBACK (on_sci_query_tooltip), NULL);
+  
+  g_object_set_qdata (G_OBJECT (sci), RESOURCES_ALLOCATED_QTAG,
+                      sci /* anything non-NULL */);
+  
+  return TRUE;
+}
+
+static void
+release_resources (ScintillaObject *sci)
+{
+  if (g_object_get_qdata (G_OBJECT (sci), RESOURCES_ALLOCATED_QTAG)) {
+    guint j;
+    
+    for (j = 0; j < MARKER_COUNT; j++) {
+      if (G_markers[j].num >= 0) {
+        scintilla_send_message (sci, SCI_MARKERDEFINE,
+                                G_markers[j].num, SC_MARK_AVAILABLE);
+      }
+    }
+    g_signal_handlers_disconnect_by_func (sci, on_sci_query_tooltip, NULL);
+    g_object_set_qdata (G_OBJECT (sci), RESOURCES_ALLOCATED_QTAG, NULL);
+  }
+}
+
+/* checks whether @encoding needs to be converted to UTF-8 */
+static gboolean
+encoding_needs_coversion (const gchar *encoding)
+{
+  return (encoding &&
+          ! utils_str_equal (encoding, "UTF-8") &&
+          ! utils_str_equal (encoding, "None"));
+}
+
+/*
+ * @brief Converts encoding
+ * @param buffer Input and output buffer
+ * @param length Input and output buffer length
+ * @param to Target encoding
+ * @param from Source encoding
+ * @param error Return location for errors, or @c NULL
+ * @returns @c TRUE if the conversion succeeded and the buffer has been
+ *          replaced and should be freed, or @c FALSE otherwise.
+ * 
+ * @warning This function has a very weird API, but it is practical for
+ *          how it's used.
+ * 
+ * Converts between encodings (using g_convert()) in-place.
+ * 
+ * The @p buffer is both an input and output parameter.  As an input
+ * parameter, it is used as a constant buffer pointer and is never
+ * modified nor freed.  As an output parameter, it is an allocated chunk
+ * of memory that should be freed with @c g_free().
+ * If the conversion succeeds, it replaces @p buffer and @p length with
+ * the converted values and returns @c TRUE.  If it fails, it does not
+ * modify the values and returns @c FALSE so that the passed-in
+ * variables can be used as a fallback if the conversion was optional.
+ */
+static gboolean
+convert_encoding_inplace (gchar       **buffer,
+                          gsize        *length,
+                          const gchar  *to,
+                          const gchar  *from,
+                          GError      **error)
+{
+  gsize   tmp_len;
+  gchar  *tmp_buf = g_convert (*buffer, (gssize) *length, to, from,
+                               NULL, &tmp_len, error);
+  
+  if (tmp_buf) {
+    *buffer = tmp_buf;
+    *length = tmp_len;
+  }
+  
+  return tmp_buf != NULL;
+}
+
+static int
+diff_blob_to_doc (const git_blob   *old_blob,
+                  GeanyDocument    *doc,
+                  git_diff_hunk_cb  hunk_cb,
+                  void             *payload)
+{
+  ScintillaObject  *sci = doc->editor->sci;
+  git_diff_options  opts = GIT_DIFF_OPTIONS_INIT;
+  gchar            *buf;
+  size_t            len;
+  gboolean          free_buf = FALSE;
+  int               ret;
+  
+  buf = (gchar *) scintilla_send_message (sci, SCI_GETCHARACTERPOINTER, 0, 0);
+  len = sci_get_length (sci);
+  
+  /* convert the buffer back to in-file encoding if necessary */
+  if (encoding_needs_coversion (doc->encoding)) {
+    free_buf = convert_encoding_inplace (&buf, &len, doc->encoding, "UTF-8",
+                                         NULL);
+  }
+  
+  /* no context lines, and no need to bother about binary checks */
+  opts.context_lines = 0;
+  opts.flags = GIT_DIFF_FORCE_TEXT;
+  
+  ret = git_diff_blob_to_buffer (old_blob, NULL, buf, len, NULL, &opts,
+                                 NULL, hunk_cb, NULL, payload);
+  
+  if (free_buf) {
+    g_free (buf);
+  }
+  
+  return ret;
+}
+
+static int
+diff_hunk_cb (const git_diff_delta *delta,
+              const git_diff_hunk  *hunk,
+              void                 *data)
+{
+  ScintillaObject *sci = data;
+  
+  if (hunk->new_lines > 0) {
+    gint  line;
+    guint marker = hunk->old_lines > 0 ? MARKER_LINE_CHANGED : MARKER_LINE_ADDED;
+    
+    for (line = hunk->new_start; line < hunk->new_start + hunk->new_lines; line++) {
+      scintilla_send_message (sci, SCI_MARKERADD, line - 1, G_markers[marker].num);
+    }
+  } else {
+    scintilla_send_message (sci, SCI_MARKERADD, hunk->new_start - 1,
+                            G_markers[MARKER_LINE_REMOVED].num);
+  }
+  
+  return 0;
+}
+#if LIBGIT2_VER_MAJOR == 0 && LIBGIT2_VER_MINOR < 20
+static int
+diff_hunk_cb_wrapper (const git_diff_delta *delta,
+                      const git_diff_hunk  *hunk,
+                      const char           *header,
+                      size_t                header_len,
+                      void                 *data)
+{
+  return diff_hunk_cb (delta, hunk, data);
+}
+# define diff_hunk_cb diff_hunk_cb_wrapper
+#endif
+
+static GtkWidget *
+get_widget_for_blob_range (GeanyDocument   *doc,
+                           const git_blob  *blob,
+                           gint             line_start,
+                           gint             n_lines)
+{
+  ScintillaObject        *sci     = editor_create_widget (doc->editor);
+  const GeanyIndentPrefs *iprefs  = editor_get_indent_prefs (doc->editor);
+  gint                    width   = 0;
+  gint                    height  = 0;
+  gint                    zoom;
+  gint                    i;
+  GtkAllocation           alloc;
+  gchar                  *buf;
+  gsize                   buf_len;
+  gboolean                free_buf = FALSE;
+  
+  gtk_widget_get_allocation (GTK_WIDGET (doc->editor->sci), &alloc);
+  
+  highlighting_set_styles (sci, doc->file_type);
+  if (iprefs->type == GEANY_INDENT_TYPE_BOTH) {
+    scintilla_send_message (sci, SCI_SETTABWIDTH, iprefs->hard_tab_width, 0);
+  } else {
+    scintilla_send_message (sci, SCI_SETTABWIDTH, iprefs->width, 0);
+  }
+  scintilla_send_message (sci, SCI_SETINDENT, iprefs->width, 0);
+  zoom = scintilla_send_message (doc->editor->sci, SCI_GETZOOM, 0, 0);
+  scintilla_send_message (sci, SCI_SETZOOM, zoom, 0);
+  
+  /* hide stuff we don't wanna see */
+  scintilla_send_message (sci, SCI_SETHSCROLLBAR, 0, 0);
+  scintilla_send_message (sci, SCI_SETVSCROLLBAR, 0, 0);
+  for (i = 0; i < SC_MAX_MARGIN; i++) {
+    scintilla_send_message (sci, SCI_SETMARGINWIDTHN, i, 0);
+  }
+  
+  buf_len = git_blob_rawsize (blob);
+  buf = (gchar *) git_blob_rawcontent (blob);
+  
+  /* convert the buffer to UTF-8 if necessary */
+  if (encoding_needs_coversion (doc->encoding)) {
+    free_buf = convert_encoding_inplace (&buf, &buf_len, "UTF-8", doc->encoding,
+                                         NULL);
+  }
+  
+  scintilla_send_message (sci, SCI_ADDTEXT, buf_len, (glong) buf);
+  
+  if (free_buf) {
+    g_free (buf);
+  }
+  
+  /* we need to enable extra scroll after last line so that SETFIRSTVISIBLELINE
+   * really places the line we want on top of the view, even if the line is
+   * close to the end and wouldn't possibly end on top otherwise */
+  scintilla_send_message (sci, SCI_SETENDATLASTLINE, 0, 0);
+  scintilla_send_message (sci, SCI_SETFIRSTVISIBLELINE, line_start, 0);
+  
+  /* compute the size of the area we want to see */
+  for (i = line_start; i < line_start + n_lines; i++) {
+    gint pos    = sci_get_line_end_position (sci, i);
+    gint end_x  = scintilla_send_message (sci, SCI_POINTXFROMPOSITION, 0, pos);
+    
+    height += scintilla_send_message (sci, SCI_TEXTHEIGHT, i, 0);
+    width = MAX (width, end_x);
+    
+    if (height > alloc.height) {
+      break;
+    }
+  }
+  gtk_widget_set_size_request (GTK_WIDGET (sci),
+                               MIN (width, alloc.width),
+                               MIN (height + 1, alloc.height));
+  
+  return GTK_WIDGET (sci);
+}
+
+static int
+tooltip_diff_hunk_cb (const git_diff_delta *delta,
+                      const git_diff_hunk  *hunk,
+                      void                 *data)
+{
+  TooltipHunkData *thd = data;
+  
+  if (thd->found) {
+    return 1;
+  }
+  
+  if (hunk->old_lines > 0 &&
+      thd->line >= hunk->new_start &&
+      thd->line < hunk->new_start + MAX (1, hunk->new_lines)) {
+    GtkWidget *old = get_widget_for_blob_range (thd->doc, thd->file_blob,
+                                                hunk->old_start - 1,
+                                                hunk->old_lines);
+    
+    gtk_tooltip_set_custom (thd->tooltip, old);
+    thd->found = old != NULL;
+  }
+  
+  return thd->found;
+}
+#if LIBGIT2_VER_MAJOR == 0 && LIBGIT2_VER_MINOR < 20
+static int
+tooltip_diff_hunk_cb_wrapper (const git_diff_delta *delta,
+                              const git_diff_hunk  *hunk,
+                              const char           *header,
+                              size_t                header_len,
+                              void                 *data)
+{
+  return tooltip_diff_hunk_cb (delta, hunk, data);
+}
+# define tooltip_diff_hunk_cb tooltip_diff_hunk_cb_wrapper
+#endif
+
+static gboolean
+on_sci_query_tooltip (GtkWidget  *widget,
+                      gint        x,
+                      gint        y,
+                      gboolean    keyboard_mode,
+                      GtkTooltip *tooltip,
+                      gpointer    user_data)
+{
+  gint              min_x;
+  gint              max_x;
+  ScintillaObject  *sci         = (ScintillaObject *) widget;
+  GeanyDocument    *doc         = document_get_current ();
+  gboolean          has_tooltip = FALSE;
+  
+  /* for some reason the widget isn't the current one during tab switch, so
+   * give up silently when we receive a query for a non-current widget */
+  if (! doc || doc->editor->sci != sci) {
+    return FALSE;
+  }
+  
+  min_x = scintilla_send_message (sci, SCI_GETMARGINWIDTHN, 0, 0);
+  max_x = min_x + scintilla_send_message (sci, SCI_GETMARGINWIDTHN, 1, 0);
+  
+  if (x >= min_x && x <= max_x && G_file_blob) {
+    gint pos  = scintilla_send_message (sci, SCI_POSITIONFROMPOINT, x, y);
+    gint line = sci_get_line_from_position (sci, pos);
+    gint mask = scintilla_send_message (sci, SCI_MARKERGET, line, 0);
+    
+    if (mask & ((1 << G_markers[MARKER_LINE_CHANGED].num) |
+                (1 << G_markers[MARKER_LINE_REMOVED].num))) {
+      TooltipHunkData thd = TOOLTIP_HUNK_DATA_INIT (line + 1, doc, G_file_blob,
+                                                    tooltip);
+      
+      diff_blob_to_doc (G_file_blob, doc, tooltip_diff_hunk_cb, &thd);
+      has_tooltip = thd.found;
+    }
+  }
+  
+  return has_tooltip;
+}
+
+static void
+update_diff (const gchar *path,
+             git_blob    *blob,
+             gpointer     data)
+{
+  GeanyDocument *doc = document_get_current ();
+  
+  if (doc && doc->id == GPOINTER_TO_UINT (data) &&
+      blob && allocate_resources (doc->editor->sci)) {
+    ScintillaObject  *sci = doc->editor->sci;
+    guint             i;
+    
+    /* clear previous markers */
+    for (i = 0; i < MARKER_COUNT; i++) {
+      scintilla_send_message (sci, SCI_MARKERDELETEALL, G_markers[i].num, 0);
+    }
+    
+    diff_blob_to_doc (blob, doc, diff_hunk_cb, sci);
+  }
+}
+
+static gboolean
+do_update_diff_idle (guint    doc_id,
+                     gboolean force)
+{
+  GeanyDocument *doc = document_get_current ();
+  
+  G_source_id = 0;
+  /* make sure the document is still valid and current */
+  if (doc && doc->id == doc_id) {
+    get_cached_blob_async (doc->real_path, force, update_diff,
+                           GUINT_TO_POINTER (doc->id));
+  }
+  
+  return FALSE;
+}
+
+static gboolean
+update_diff_idle (gpointer id)
+{
+  return do_update_diff_idle (GPOINTER_TO_UINT (id), FALSE);
+}
+
+static gboolean
+update_diff_force_idle (gpointer id)
+{
+  return do_update_diff_idle (GPOINTER_TO_UINT (id), TRUE);
+}
+
+/*
+ * @brief Pushes a request for updating the diff
+ * @param doc The document for which update the diff
+ * @param force Whether to force reloading the repository information.  This
+ *              is used to e.g. force re-setting up monitors after a repository
+ *              change.
+ * 
+ * Pushes a request for updating the diff.  Typically this should be called
+ * after the user modified the buffer to keep the diff in sync.
+ * 
+ * Pass @c TRUE to @p force if the repository might have changed in a way that
+ * requires reloading it.  Note that generally you don't need to do so when the
+ * file might have changed in the repository (e.g. when the user checked out
+ * another ref) because then the diff is either still valid or the buffer needs
+ * reloading from disk anyway.
+ */
+static void
+update_diff_push (GeanyDocument  *doc,
+                  gboolean        force)
+{
+  g_return_if_fail (DOC_VALID (doc));
+  
+  if (G_source_id) {
+    g_source_remove (G_source_id);
+    G_source_id = 0;
+  }
+  if (doc->real_path) {
+    G_source_id = g_timeout_add_full (G_PRIORITY_LOW, 100,
+                                      force ? update_diff_force_idle
+                                            : update_diff_idle,
+                                      GUINT_TO_POINTER (doc->id), NULL);
+  }
+}
+
+static gboolean
+on_editor_notify (GObject        *obj,
+                  GeanyEditor    *editor,
+                  SCNotification *nt,
+                  gpointer        user_data)
+{
+  if (nt->nmhdr.code == SCN_CHARADDED ||
+      (nt->nmhdr.code == SCN_MODIFIED &&
+       nt->modificationType & (SC_MOD_INSERTTEXT | SC_MOD_DELETETEXT))) {
+    update_diff_push (editor->document, FALSE);
+  }
+  
+  return FALSE;
+}
+
+static void
+on_document_activate (GObject        *obj,
+                      GeanyDocument  *doc,
+                      gpointer        user_data)
+{
+  clear_cached_blob ();
+  update_diff_push (doc, FALSE);
+}
+
+static void
+on_document_reload (GObject        *obj,
+                    GeanyDocument  *doc,
+                    gpointer        user_data)
+{
+  update_diff_push (doc, FALSE);
+}
+
+static void
+on_git_head_changed (GFileMonitor      *monitor,
+                     GFile             *file,
+                     GFile             *other_file,
+                     GFileMonitorEvent  event_type,
+                     gpointer           user_data)
+{
+  GeanyDocument *doc = document_find_by_id (GPOINTER_TO_UINT (user_data));
+  
+  if (doc) {
+    clear_cached_blob ();
+    update_diff_push (doc, TRUE);
+  }
+}
+
+static void
+on_git_ref_changed (GFileMonitor      *monitor,
+                    GFile             *file,
+                    GFile             *other_file,
+                    GFileMonitorEvent  event_type,
+                    gpointer           user_data)
+{
+  GeanyDocument *doc = document_find_by_id (GPOINTER_TO_UINT (user_data));
+  
+  if (doc) {
+    clear_cached_blob ();
+    update_diff_push (doc, FALSE);
+  }
+}
+
+/* --- configuration loading and saving --- */
+
+static void
+read_setting_color (GKeyFile     *kf,
+                    const gchar  *group,
+                    const gchar  *key,
+                    gpointer      value)
+{
+  guint32  *color = value;
+  gchar    *kfval = g_key_file_get_value (kf, group, key, NULL);
+  
+  if (kfval) {
+    const gchar  *nptr = kfval;
+    gchar        *endptr;
+    glong         val;
+    
+    if (*nptr == '#') {
+      nptr++;
+    }
+    
+    val = strtol (nptr, &endptr, 16);
+    if (! *endptr && val >= 0 && val <= 0xffffff) {
+      *color = (guint32) val;
+    }
+    g_free (kfval);
+  }
+}
+
+static void
+write_setting_color (GKeyFile      *kf,
+                     const gchar   *group,
+                     const gchar   *key,
+                     gconstpointer  value)
+{
+  const guint32  *color     = value;
+  gchar           kfval[8]  = {0};
+  
+  g_return_if_fail (*color <= 0xffffff);
+  
+  g_snprintf (kfval, sizeof value, "#%.6x", *color);
+  g_key_file_set_value (kf, group, key, kfval);
+}
+
+static void
+read_setting_boolean (GKeyFile     *kf,
+                      const gchar  *group,
+                      const gchar  *key,
+                      gpointer      value)
+{
+  gboolean *bool = value;
+  
+  *bool = utils_get_setting_boolean (kf, group, key, *bool);
+}
+
+static void
+write_setting_boolean (GKeyFile      *kf,
+                       const gchar   *group,
+                       const gchar   *key,
+                       gconstpointer  value)
+{
+  const gboolean *bool = value;
+  
+  g_key_file_set_boolean (kf, group, key, *bool);
+}
+
+/* loads @filename in @kf and return %FALSE if failed, emitting a warning
+ * unless the file was simply missing */
+static gboolean
+read_keyfile (GKeyFile     *kf,
+              const gchar  *filename,
+              GKeyFileFlags flags)
+{
+  GError *error = NULL;
+  
+  if (! g_key_file_load_from_file (kf, filename, flags, &error)) {
+    if (error->domain != G_FILE_ERROR || error->code != G_FILE_ERROR_NOENT) {
+      g_warning (_("Failed to load configuration file: %s"), error->message);
+    }
+    g_error_free (error);
+    
+    return FALSE;
+  }
+  
+  return TRUE;
+}
+
+/* writes @kf in @filename, possibly creating directories to be able to write
+ * in @filename */
+static gboolean
+write_keyfile (GKeyFile    *kf,
+               const gchar *filename)
+{
+  gchar    *dirname = g_path_get_dirname (filename);
+  GError   *error   = NULL;
+  gint      err;
+  gchar    *data;
+  gsize     length;
+  gboolean  success = FALSE;
+  
+  data = g_key_file_to_data (kf, &length, NULL);
+  if ((err = utils_mkdir (dirname, TRUE)) != 0) {
+    g_warning (_("Failed to create configuration directory "%s": %s"),
+               dirname, g_strerror (err));
+  } else if (! g_file_set_contents (filename, data, (gssize) length, &error)) {
+    g_warning (_("Failed to save configuration file: %s"), error->message);
+    g_error_free (error);
+  } else {
+    success = TRUE;
+  }
+  g_free (data);
+  g_free (dirname);
+  
+  return success;
+}
+
+static gchar *
+get_config_filename (void)
+{
+  return g_build_filename (geany_data->app->configdir, "plugins",
+                           PLUGIN, PLUGIN".conf", NULL);
+}
+
+static void
+load_config (void)
+{
+  gchar    *filename  = get_config_filename ();
+  GKeyFile *kf        = g_key_file_new ();
+  
+  if (read_keyfile (kf, filename, G_KEY_FILE_NONE)) {
+    guint i;
+    
+    for (i = 0; i < G_N_ELEMENTS (G_settings_desc); i++) {
+      G_settings_desc[i].read (kf, G_settings_desc[i].group,
+                               G_settings_desc[i].key,
+                               G_settings_desc[i].value);
+    }
+  }
+  g_key_file_free (kf);
+  g_free (filename);
+}
+
+static void
+save_config (void)
+{
+  gchar    *filename  = get_config_filename ();
+  GKeyFile *kf        = g_key_file_new ();
+  guint     i;
+  
+  read_keyfile (kf, filename, G_KEY_FILE_KEEP_COMMENTS);
+  for (i = 0; i < G_N_ELEMENTS (G_settings_desc); i++) {
+    G_settings_desc[i].write (kf, G_settings_desc[i].group,
+                              G_settings_desc[i].key,
+                              G_settings_desc[i].value);
+  }
+  write_keyfile (kf, filename);
+  
+  g_key_file_free (kf);
+  g_free (filename);
+}
+
+/* --- plugin initialization and cleanup --- */
+
+void
+plugin_init (GeanyData *data)
+{
+  GeanyDocument *doc;
+  
+  G_file_blob = NULL;
+  G_source_id = 0;
+  G_thread    = NULL;
+  G_queue     = NULL;
+  
+  if (git_libgit2_init () < 0) {
+    const git_error *err = giterr_last ();
+    g_warning ("Failed to initialize libgit2: %s", err ? err->message : "?");
+    return;
+  }
+  
+  load_config ();
+  
+  plugin_signal_connect (geany_plugin, NULL, "editor-notify", TRUE,
+                         G_CALLBACK (on_editor_notify), NULL);
+  plugin_signal_connect (geany_plugin, NULL, "document-activate", TRUE,
+                         G_CALLBACK (on_document_activate), NULL);
+  plugin_signal_connect (geany_plugin, NULL, "document-open", TRUE,
+                         G_CALLBACK (on_document_activate), NULL);
+  plugin_signal_connect (geany_plugin, NULL, "document-reload", TRUE,
+                         G_CALLBACK (on_document_reload), NULL);
+  
+  /* update for the current document in case we are loaded in the middle
+   * of a session */
+  doc = document_get_current ();
+  if (doc) {
+    update_diff_push (doc, FALSE);
+  }
+}
+
+void
+plugin_cleanup (void)
+{
+  guint i;
+  
+  if (G_source_id) {
+    g_source_remove (G_source_id);
+    G_source_id = 0;
+  }
+  if (G_thread) {
+    g_async_queue_push (G_queue, QUIT_THREAD_JOB); /* notify the thread */
+    g_thread_join (G_thread);
+    G_thread = NULL;
+    g_async_queue_unref (G_queue);
+    G_queue = NULL;
+  }
+  if (G_file_blob) {
+    git_blob_free (G_file_blob);
+    G_file_blob = NULL;
+  }
+  
+  foreach_document (i) {
+    release_resources (documents[i]->editor->sci);
+  }
+  
+  save_config ();
+  
+  git_libgit2_shutdown ();
+}
+
+/* --- configuration dialog --- */
+
+typedef struct ConfigureWidgets ConfigureWidgets;
+struct ConfigureWidgets {
+  GtkWidget  *base;
+  GtkWidget  *monitoring_check;
+  GtkWidget  *added_color_button;
+  GtkWidget  *changed_color_button;
+  GtkWidget  *removed_color_button;
+};
+
+static void configure_widgets_free (ConfigureWidgets *cw)
+{
+  g_object_unref (cw->base);
+  g_free (cw);
+}
+
+static void
+color_from_int (GdkColor *color,
+                guint32   val)
+{
+  color->red    = ((val & 0xff0000) >> 16) * 0x101;
+  color->green  = ((val & 0x00ff00) >>  8) * 0x101;
+  color->blue   = ((val & 0x0000ff) >>  0) * 0x101;
+}
+
+static guint32
+color_to_int (const GdkColor *color)
+{
+  return (((color->red   / 0x101) << 16) |
+          ((color->green / 0x101) <<  8) |
+          ((color->blue  / 0x101) <<  0));
+}
+
+static void
+on_plugin_configure_response (GtkDialog        *dialog,
+                              gint              response,
+                              ConfigureWidgets *cw)
+{
+  switch (response) {
+    case GTK_RESPONSE_APPLY:
+    case GTK_RESPONSE_OK: {
+      guint           i;
+      GdkColor        color;
+      GeanyDocument  *doc = document_get_current ();
+      
+      G_monitoring_enabled = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (cw->monitoring_check));
+      gtk_color_button_get_color (GTK_COLOR_BUTTON (cw->added_color_button),
+                                  &color);
+      G_markers[MARKER_LINE_ADDED].color = color_to_int (&color);
+      gtk_color_button_get_color (GTK_COLOR_BUTTON (cw->changed_color_button),
+                                  &color);
+      G_markers[MARKER_LINE_CHANGED].color = color_to_int (&color);
+      gtk_color_button_get_color (GTK_COLOR_BUTTON (cw->removed_color_button),
+                                  &color);
+      G_markers[MARKER_LINE_REMOVED].color = color_to_int (&color);
+      
+      /* update everything */
+      foreach_document (i) {
+        release_resources (documents[i]->editor->sci);
+      }
+      if (doc) {
+        update_diff_push (doc, TRUE);
+      }
+    }
+  }
+}
+
+GtkWidget *
+plugin_configure (GtkDialog *dialog)
+{
+  GError     *error   = NULL;
+  GtkWidget  *base    = NULL;
+  GtkBuilder *builder = gtk_builder_new ();
+  
+  gtk_builder_set_translation_domain (builder, GETTEXT_PACKAGE);
+  if (! gtk_builder_add_from_file (builder, PKGDATADIR"/"PLUGIN"/prefs.ui",
+                                   &error)) {
+    g_critical (_("Failed to load UI definition, please check your "
+                  "installation. The error was: %s"), error->message);
+    g_error_free (error);
+  } else {
+    GdkColor          color;
+    ConfigureWidgets *cw = g_malloc (sizeof *cw);
+    struct {
+      const gchar  *name;
+      GtkWidget   **ptr;
+    } map[] = {
+      { "base",                 &cw->base },
+      { "monitoring-check",     &cw->monitoring_check },
+      { "added-color-button",   &cw->added_color_button },
+      { "changed-color-button", &cw->changed_color_button },
+      { "removed-color-button", &cw->removed_color_button },
+    };
+    guint i;
+    
+    for (i = 0; i < G_N_ELEMENTS (map); i++) {
+      *map[i].ptr = GTK_WIDGET (gtk_builder_get_object (builder, map[i].name));
+    }
+    
+    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (cw->monitoring_check),
+                                  G_monitoring_enabled);
+    color_from_int (&color, G_markers[MARKER_LINE_ADDED].color);
+    gtk_color_button_set_color (GTK_COLOR_BUTTON (cw->added_color_button),
+                                &color);
+    color_from_int (&color, G_markers[MARKER_LINE_CHANGED].color);
+    gtk_color_button_set_color (GTK_COLOR_BUTTON (cw->changed_color_button),
+                                &color);
+    color_from_int (&color, G_markers[MARKER_LINE_REMOVED].color);
+    gtk_color_button_set_color (GTK_COLOR_BUTTON (cw->removed_color_button),
+                                &color);
+    
+    base = g_object_ref_sink (cw->base);
+    
+    g_signal_connect_data (dialog, "response",
+                           G_CALLBACK (on_plugin_configure_response),
+                           cw, (GClosureNotify) configure_widgets_free, 0);
+  }
+  
+  g_object_unref (builder);
+  
+  return base;
+}
Modified: git-changebar/wscript_build
43 lines changed, 43 insertions(+), 0 deletions(-)
===================================================================
@@ -0,0 +1,43 @@
+# -*- coding: utf-8 -*-
+#
+# WAF build script for geany-plugins - Git Change Bar
+#
+# Copyright 2010 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>
+# Copyright 2015 Colomban Wendling <ban(at)herbesfolles(dot)org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+
+from build.wafutils import build_plugin, target_is_win32
+
+
+name = 'GitChangeBar'
+name_lower = 'git-changebar'
+
+sources = ['src/gcb-plugin.c']
+includes = ['src']
+defines = ['PLUGIN="%s"' % name_lower]
+libraries = ['GTK', 'GLIB', 'LIBGIT2']
+
+build_plugin(bld, name,
+    sources=sources,
+    includes=includes,
+    defines=defines,
+    libraries=libraries)
+
+# install UI file
+prefix = '${G_PREFIX}/' if target_is_win32(bld) else ''
+datadir = '${GEANYPLUGINS_DATADIR}/geany-plugins/%s' % (name_lower)
+bld.install_files('%s%s' % (prefix, datadir), 'data/prefs.ui')
Modified: git-changebar/wscript_configure
39 lines changed, 39 insertions(+), 0 deletions(-)
===================================================================
@@ -0,0 +1,39 @@
+# -*- coding: utf-8 -*-
+#
+# WAF build script for geany-plugins - Git Change Bar
+#
+# Copyright 2010 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>
+# Copyright 2015 Colomban Wendling <ban(at)herbesfolles(dot)org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+
+from build.wafutils import check_cfg_cached
+
+
+packages = [
+    ('gtk+-2.0', '2.18', 'GTK'),
+    ('glib-2.0', '2.16', 'GLIB'),
+    ('libgit2', '0.18', 'LIBGIT2'),
+]
+
+for package_name, package_version, uselib_store in packages:
+    check_cfg_cached(conf,
+                     package=package_name,
+                     atleast_version=package_version,
+                     uselib_store=uselib_store,
+                     mandatory=True,
+                     args='--cflags --libs')
+
Modified: po/POTFILES.in
4 lines changed, 4 insertions(+), 0 deletions(-)
===================================================================
@@ -216,6 +216,10 @@ geanyvc/src/utils.c
 # GeniusPaste
 geniuspaste/src/geniuspaste.c
+# GitChangeBar
+[type: gettext/glade]git-changebar/data/prefs.ui
+git-changebar/src/gcb-plugin.c
+
 # Markdown
 markdown/src/conf.c
 markdown/src/plugin.c
--------------
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