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giggle-view-file.c
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2007 Imendio AB
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "giggle-view-file.h"
#include "giggle-file-list.h"
#include "giggle-rev-list-view.h"
#include "giggle-view-history.h"
#include <libgiggle/giggle-history.h>
#include <libgiggle/giggle-searchable.h>
#include <libgiggle/giggle-view-shell.h>
#include <libgiggle-git/giggle-git.h>
#include <libgiggle-git/giggle-git-blame.h>
#include <libgiggle-git/giggle-git-cat-file.h>
#include <libgiggle-git/giggle-git-revisions.h>
#include <libgiggle-git/giggle-git-list-tree.h>
#include <libgiggle-git/giggle-git-config.h>
#include <fnmatch.h>
#include <gio/gio.h>
#include <glib/gi18n.h>
#include <gtksourceview/gtksource.h>
#define GIGGLE_TYPE_VIEW_FILE_SNAPSHOT (giggle_view_file_snapshot_get_type ())
#define GIGGLE_VIEW_FILE_SNAPSHOT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIGGLE_TYPE_VIEW_FILE_SNAPSHOT, GiggleViewFileSnapshot))
#define GIGGLE_VIEW_FILE_SNAPSHOT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIGGLE_TYPE_VIEW_FILE_SNAPSHOT, GiggleViewFileSnapshotClass))
#define GIGGLE_IS_VIEW_FILE_SNAPSHOT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIGGLE_TYPE_VIEW_FILE_SNAPSHOT))
#define GIGGLE_IS_VIEW_FILE_SNAPSHOT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIGGLE_TYPE_VIEW_FILE_SNAPSHOT))
#define GIGGLE_VIEW_FILE_SNAPSHOT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIGGLE_TYPE_VIEW_FILE_SNAPSHOT, GiggleViewFileSnapshotClass))
#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GIGGLE_TYPE_VIEW_FILE, GiggleViewFilePriv))
#define CHUNK_NAME(state, suffix) \
(GTK_STATE_SELECTED == (state) \
? "giggle-chunk-selected-" suffix \
: "giggle-chunk-" suffix)
typedef struct {
GtkWidget *file_list;
GtkWidget *revision_list;
GtkWidget *source_view;
GtkWidget *goto_toolbar;
GtkWidget *goto_entry;
GtkWidget *hpaned;
GtkWidget *vpaned;
GtkWidget *window;
GtkActionGroup *action_group;
GiggleGit *git;
GiggleJob *job;
char *current_file;
GiggleRevision *current_revision;
GiggleGitConfig *configuration;
} GiggleViewFilePriv;
typedef struct {
GObject parent;
GtkTreeRowReference *file_list_row;
GtkTreeViewColumn *file_list_column;
GtkTreeRowReference *revision_list_row;
GtkTreeViewColumn *revision_list_column;
} GiggleViewFileSnapshot;
typedef struct {
GObjectClass parent_class;
} GiggleViewFileSnapshotClass;
enum {
PROP_0,
PROP_PATH,
};
static void giggle_view_file_searchable_init (GiggleSearchableIface *iface);
static void giggle_view_file_history_init (GiggleHistoryIface *iface);
static GType giggle_view_file_snapshot_get_type (void) G_GNUC_CONST;
G_DEFINE_TYPE_WITH_CODE (GiggleViewFile, giggle_view_file, GIGGLE_TYPE_VIEW,
G_IMPLEMENT_INTERFACE (GIGGLE_TYPE_SEARCHABLE,
giggle_view_file_searchable_init)
G_IMPLEMENT_INTERFACE (GIGGLE_TYPE_HISTORY,
giggle_view_file_history_init))
G_DEFINE_TYPE (GiggleViewFileSnapshot,
giggle_view_file_snapshot, G_TYPE_OBJECT)
static void
view_file_get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec)
{
switch (param_id) {
case PROP_PATH:
g_value_set_string (value,
giggle_view_file_get_path (GIGGLE_VIEW_FILE (object)));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
view_file_set_property (GObject *object,
guint param_id,
const GValue *value,
GParamSpec *pspec)
{
switch (param_id) {
case PROP_PATH:
giggle_view_file_set_path (GIGGLE_VIEW_FILE (object),
g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
view_file_finalize (GObject *object)
{
GiggleViewFilePriv *priv = GET_PRIV (object);
g_free (priv->current_file);
G_OBJECT_CLASS (giggle_view_file_parent_class)->finalize (object);
}
static void
view_file_set_focus_cb (GtkWindow *window,
GtkWidget *widget,
GiggleViewFile *view)
{
GiggleViewFilePriv *priv = GET_PRIV (view);
GtkAction *action;
action = gtk_action_group_get_action (priv->action_group, "ViewFileShowChangeSet");
gtk_action_set_sensitive (action, gtk_widget_has_focus (priv->source_view) |
gtk_widget_has_focus (priv->revision_list));
action = gtk_action_group_get_action (priv->action_group, "ViewFileSelectRevision");
gtk_action_set_sensitive (action, gtk_widget_has_focus (priv->source_view));
}
static void
view_file_dispose (GObject *object)
{
GiggleViewFilePriv *priv = GET_PRIV (object);
if (priv->configuration) {
g_object_unref (priv->configuration);
priv->configuration = NULL;
}
if (priv->current_revision) {
g_object_unref (priv->current_revision);
priv->current_revision = NULL;
}
if (priv->action_group) {
g_object_unref (priv->action_group);
priv->action_group = NULL;
}
if (priv->window) {
g_signal_handlers_disconnect_by_func (priv->window,
view_file_set_focus_cb, object);
priv->window = NULL;
}
G_OBJECT_CLASS (giggle_view_file_parent_class)->dispose (object);
}
static void
view_file_goto_line_cb (GtkAction *action,
GiggleViewFile *view)
{
GiggleViewFilePriv *priv;
priv = GET_PRIV (view);
g_object_set
(priv->goto_toolbar, "visible",
!gtk_widget_get_visible (priv->goto_toolbar), NULL);
gtk_widget_grab_focus (priv->goto_entry);
}
static void
view_file_revision_list_revision_activated_cb (GiggleRevListView *list,
GiggleRevision *revision,
GiggleViewFile *view)
{
GiggleView *history_view = NULL;
GtkWidget *shell;
shell = gtk_widget_get_ancestor (GTK_WIDGET (view), GIGGLE_TYPE_VIEW_SHELL);
if (shell)
history_view = giggle_view_shell_find_view (GIGGLE_VIEW_SHELL (shell),
GIGGLE_TYPE_VIEW_HISTORY);
if (history_view) {
giggle_view_history_select (GIGGLE_VIEW_HISTORY (history_view), revision);
giggle_view_shell_select (GIGGLE_VIEW_SHELL (shell), history_view);
}
}
static GiggleRevision *
source_view_get_revision_at_iter (GtkTextIter *iter)
{
GiggleRevision *revision = NULL;
GSList *l;
for (l = gtk_text_iter_get_marks (iter); l; l = l->next) {
revision = g_object_get_data (l->data, "giggle-revision");
if (revision)
break;
}
return revision;
}
static GiggleRevision *
source_view_get_revision_at_insert (GtkTextView *view)
{
GtkTextBuffer *buffer;
GtkTextMark *insert;
GtkTextIter iter;
buffer = gtk_text_view_get_buffer (view);
insert = gtk_text_buffer_get_insert (buffer);
gtk_text_buffer_get_iter_at_mark (buffer, &iter, insert);
return source_view_get_revision_at_iter (&iter);
}
static void
view_file_show_changeset_cb (GtkAction *action,
GiggleViewFile *view)
{
GiggleViewFilePriv *priv = GET_PRIV (view);
GiggleRevision *revision = NULL;
if (gtk_widget_has_focus (priv->revision_list)) {
revision = priv->current_revision;
} else if (gtk_widget_has_focus (priv->source_view)) {
revision = source_view_get_revision_at_insert (GTK_TEXT_VIEW (priv->source_view));
}
if (revision) {
view_file_revision_list_revision_activated_cb
(GIGGLE_REV_LIST_VIEW (priv->revision_list),
revision, view);
}
}
static void
view_file_select_revision_cb (GtkAction *action,
GiggleViewFile *view)
{
GiggleViewFilePriv *priv = GET_PRIV (view);
GiggleRevision *revision = NULL;
GList *selection;
if (gtk_widget_has_focus (priv->source_view))
revision = source_view_get_revision_at_insert (GTK_TEXT_VIEW (priv->source_view));
if (revision) {
selection = g_list_prepend (NULL, revision);
giggle_rev_list_view_set_selection (GIGGLE_REV_LIST_VIEW (priv->revision_list),
selection);
g_list_free (selection);
}
}
static void
view_file_add_ui (GiggleView *view,
GtkUIManager *manager)
{
static const char layout[] =
"<ui>"
" <menubar name='MainMenubar'>"
" <menu action='GoMenu'>"
" <separator />"
" <menuitem action='ViewFileGotoLine' />"
" <separator />"
" <menuitem action='ViewFileShowChangeSet' />"
" <menuitem action='ViewFileSelectRevision' />"
" </menu>"
" </menubar>"
"</ui>";
static const GtkActionEntry actions[] = {
{ "ViewFileGotoLine", GTK_STOCK_JUMP_TO,
N_("_Goto Line Number"), "<control>L",
N_("Highlight specified line number"),
G_CALLBACK (view_file_goto_line_cb)
},
{ "ViewFileShowChangeSet", NULL,
N_("Show _Changes"), NULL,
N_("Show changes for selected revision"),
G_CALLBACK (view_file_show_changeset_cb)
},
{ "ViewFileSelectRevision", NULL,
N_("Select _Revision"), NULL,
N_("Select revision of selected line"),
G_CALLBACK (view_file_select_revision_cb)
},
};
GiggleViewFilePriv *priv = GET_PRIV (view);
if (!priv->action_group) {
priv->action_group = gtk_action_group_new (giggle_view_get_name (view));
gtk_action_group_set_translation_domain (priv->action_group, GETTEXT_PACKAGE);
gtk_action_group_add_actions (priv->action_group, actions, G_N_ELEMENTS (actions), view);
gtk_ui_manager_insert_action_group (manager, priv->action_group, 0);
gtk_ui_manager_add_ui_from_string (manager, layout, G_N_ELEMENTS (layout) - 1, NULL);
gtk_ui_manager_ensure_update (manager);
}
gtk_action_group_set_visible (priv->action_group, TRUE);
priv->window = gtk_widget_get_ancestor (GTK_WIDGET (view), GTK_TYPE_WINDOW);
if (priv->window)
g_signal_connect_after (priv->window, "set-focus",
G_CALLBACK (view_file_set_focus_cb), view);
view_file_set_focus_cb (NULL, NULL, GIGGLE_VIEW_FILE (view));
}
static void
view_file_remove_ui (GiggleView *view)
{
GiggleViewFilePriv *priv = GET_PRIV (view);
if (priv->action_group)
gtk_action_group_set_visible (priv->action_group, FALSE);
if (priv->window) {
g_signal_handlers_disconnect_by_func (priv->window,
view_file_set_focus_cb, view);
priv->window = NULL;
}
}
static inline guint8
convert_color_channel (guint src,
guint8 alpha)
{
return (alpha ? ((src << 8) - src) / alpha : 0);
}
static GdkPixbuf *
create_pixbuf_from_image (cairo_surface_t *image)
{
int width, height, stride, x, y;
const guint8 *source, *s, *rs;
guchar *target, *t, *rt;
width = cairo_image_surface_get_width (image);
height = cairo_image_surface_get_height (image);
stride = cairo_image_surface_get_stride (image);
source = cairo_image_surface_get_data (image);
target = g_new (guchar, stride * height);
for (y = 0, s = source, t = target; y < height; ++y, s += stride, t += stride) {
for (x = 0, rs = s, rt = t; x < width; ++x, rs += 4, rt += 4) {
rt[0] = convert_color_channel (rs[2], rs[3]);
rt[1] = convert_color_channel (rs[1], rs[3]);
rt[2] = convert_color_channel (rs[0], rs[3]);
rt[3] = rs[3];
}
}
return gdk_pixbuf_new_from_data (target, GDK_COLORSPACE_RGB,
TRUE, 8, width, height, stride,
(GdkPixbufDestroyNotify) g_free, NULL);
}
static void
render_chunk_marker (cairo_t *cr,
const char *name,
int width,
int height,
GdkRGBA *rgba)
{
double r, g, b;
double x0, y0, x1, y1;
double alpha = 0.5;
gboolean start = FALSE;
gboolean end = FALSE;
cairo_pattern_t *gradient;
if (!g_str_has_prefix (name, "giggle-chunk-"))
return;
if (strstr (name, "-selected"))
alpha = 1.0;
if (strstr (name, "-start"))
start = TRUE;
if (strstr (name, "-end"))
end = TRUE;
x0 = 2;
y0 = 0;
x1 = width - 3;
y1 = height - 1;
r = rgba->red;
g = rgba->green;
b = rgba->blue;
gradient = cairo_pattern_create_linear (0, 0, 0, height);
if (start) {
cairo_pattern_add_color_stop_rgba (gradient, 0.0, r, g, b, 0.0 * alpha);
cairo_pattern_add_color_stop_rgba (gradient, 0.1, r, g, b, 0.3 * alpha);
cairo_pattern_add_color_stop_rgba (gradient, 0.4, r, g, b, 0.8 * alpha);
cairo_move_to (cr, x0, y0 + 9);
cairo_curve_to (cr, x0, y0 + 1, x0, y0 + 1, x0 + 8, y0 + 1);
cairo_line_to (cr, x1 - 8, y0 + 1);
cairo_curve_to (cr, x1, y0 + 1, x1, y0 + 1, x1, y0 + 9);
} else {
cairo_pattern_add_color_stop_rgba (gradient, 0.0, r, g, b, 0.6 * alpha);
cairo_move_to (cr, x0, y0);
cairo_line_to (cr, x1, y0);
}
if (end) {
cairo_pattern_add_color_stop_rgba (gradient, 1.0, r, g, b, 0.0 * alpha);
cairo_pattern_add_color_stop_rgba (gradient, 0.9, r, g, b, 0.3 * alpha);
cairo_pattern_add_color_stop_rgba (gradient, 0.6, r, g, b, 0.6 * alpha);
cairo_line_to (cr, x1, y1 - 9);
cairo_curve_to (cr, x1, y1 - 1, x1, y1 - 1, x1 - 8, y1 - 1);
cairo_line_to (cr, x0 + 8, y1 - 1);
cairo_curve_to (cr, x0, y1 - 1, x0, y1 - 1, x0, y1 - 9);
} else {
cairo_pattern_add_color_stop_rgba (gradient, 1.0, r, g, b, 0.6 * alpha);
cairo_line_to (cr, x1, y1 + 1);
cairo_line_to (cr, x0, y1 + 1);
}
cairo_set_source (cr, gradient);
cairo_pattern_destroy (gradient);
cairo_fill (cr);
x0 += 0.5;
y0 += 0.5;
x1 += 0.5;
y1 += 0.5;
if (start) {
if (end) {
cairo_move_to (cr, x0, y0 + 9);
} else {
cairo_move_to (cr, x0, y1);
cairo_line_to (cr, x0, y0 + 8);
}
cairo_curve_to (cr, x0, y0 + 1, x0, y0 + 1, x0 + 8, y0 + 1);
cairo_line_to (cr, x1 - 8, y0 + 1);
cairo_curve_to (cr, x1, y0 + 1, x1, y0 + 1, x1, y0 + 9);
} else {
cairo_move_to (cr, x1, y0);
}
if (end) {
cairo_line_to (cr, x1, y1 - 9);
cairo_curve_to (cr, x1, y1 - 1, x1, y1 - 1, x1 - 8, y1 - 1);
cairo_line_to (cr, x0 + 8, y1 - 1);
cairo_curve_to (cr, x0, y1 - 1, x0, y1 - 1, x0, y1 - 9);
} else {
cairo_line_to (cr, x1, y1 + 1);
cairo_move_to (cr, x0, y1);
}
if (!start)
cairo_line_to (cr, x0, y0);
cairo_set_line_width (cr, 1);
cairo_set_source_rgba (cr, r, g, b, alpha);
cairo_stroke (cr);
}
static GdkPixbuf *
create_category_icon (GiggleViewFilePriv *priv,
const char *name)
{
int width, height;
GdkPixbuf *pixbuf;
cairo_surface_t *image;
cairo_t *canvas;
gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, &width, &height);
image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
canvas = cairo_create (image);
pixbuf = create_pixbuf_from_image (image);
cairo_surface_destroy (image);
cairo_destroy (canvas);
return pixbuf;
}
static void
create_category (GiggleViewFilePriv *priv,
const char *name)
{
GdkPixbuf *pixbuf;
pixbuf = gtk_widget_render_icon_pixbuf (priv->source_view, name,
GTK_ICON_SIZE_MENU);
if (!pixbuf)
pixbuf = create_category_icon (priv, name);
if (pixbuf) {
GtkSourceMarkAttributes *attrs;
attrs = gtk_source_mark_attributes_new ();
gtk_source_mark_attributes_set_pixbuf (attrs, pixbuf);
gtk_source_view_set_mark_attributes (GTK_SOURCE_VIEW (priv->source_view),
name, attrs, 2);
g_object_unref (pixbuf);
}
}
static void
source_view_style_updated_cb (GtkWidget *widget,
GiggleViewFile *view)
{
GiggleViewFilePriv *priv = GET_PRIV (view);
create_category (priv, "giggle-chunk-start");
create_category (priv, "giggle-chunk-start-end");
create_category (priv, "giggle-chunk-middle");
create_category (priv, "giggle-chunk-end");
create_category (priv, "giggle-chunk-selected-start");
create_category (priv, "giggle-chunk-selected-start-end");
create_category (priv, "giggle-chunk-selected-middle");
create_category (priv, "giggle-chunk-selected-end");
}
static gboolean
source_view_draw_cb (GtkTextView *text_view,
cairo_t *cr,
GiggleViewFile *view)
{
GiggleViewFilePriv *priv = GET_PRIV (view);
GtkSourceBuffer *buffer;
GdkRectangle visible_rect;
int y, height;
int margin_width;
GdkWindow *left_margin;
GSList *markers;
const char *name;
GtkTextIter iter;
left_margin = gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_LEFT);
buffer = GTK_SOURCE_BUFFER (gtk_text_view_get_buffer (text_view));
gtk_text_view_get_visible_rect (text_view, &visible_rect);
gtk_text_view_get_iter_at_location (text_view, &iter, visible_rect.x, visible_rect.y);
visible_rect.y += visible_rect.height;
margin_width = gdk_window_get_width (left_margin);
cairo_translate (cr, margin_width - 16, 0); /* FIXME: see GB#572785 */
do {
gtk_text_view_get_line_yrange (text_view, &iter, &y, &height);
if (y >= visible_rect.y)
break;
markers = gtk_source_buffer_get_source_marks_at_iter (buffer, &iter, NULL);
for (name = NULL; markers; name = NULL) {
name = gtk_source_mark_get_category (markers->data);
if (name && g_str_has_prefix (name, "giggle-chunk-"))
break;
markers = g_slist_delete_link (markers, markers);
}
if (name) { /* FIXME: see GB#572785 */
GtkStyleContext *context;
GdkRGBA rgba;
context = gtk_widget_get_style_context (priv->source_view);
gtk_style_context_get_background_color (context, GTK_STATE_FLAG_SELECTED, &rgba);
render_chunk_marker (cr, name, 16, height, &rgba);
}
g_slist_free (markers);
cairo_translate (cr, 0, height);
} while (gtk_text_iter_forward_line (&iter));
return FALSE;
}
static void
giggle_view_file_class_init (GiggleViewFileClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
GiggleViewClass *view_class = GIGGLE_VIEW_CLASS (class);
object_class->get_property = view_file_get_property;
object_class->set_property = view_file_set_property;
object_class->finalize = view_file_finalize;
object_class->dispose = view_file_dispose;
view_class->add_ui = view_file_add_ui;
view_class->remove_ui = view_file_remove_ui;
g_object_class_install_property (object_class,
PROP_PATH,
g_param_spec_string ("path",
"Path",
"The currently selected path",
NULL, G_PARAM_READWRITE));
g_type_class_add_private (object_class, sizeof (GiggleViewFilePriv));
}
static void
show_error (GiggleViewFile *view,
const char *message,
const GError *error)
{
GtkWidget *dialog;
dialog = gtk_message_dialog_new (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view))),
GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_OK,
"%s: %s",
message, error->message);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
}
static GtkSourceLanguage *
view_file_find_language (GiggleViewFile *view,
const char *text,
gsize len)
{
GtkSourceLanguageManager *manager;
GiggleViewFilePriv *priv;
GtkSourceLanguage *lang;
const char *const *ids;
char *content_type, *filename;
char **meta, **s;
priv = GET_PRIV (view);
manager = gtk_source_language_manager_get_default ();
ids = gtk_source_language_manager_get_language_ids (manager);
content_type = g_content_type_guess (priv->current_file, (guchar *)text, len, NULL);
filename = g_path_get_basename (priv->current_file);
for (; *ids; ++ids) {
lang = gtk_source_language_manager_get_language (manager, *ids);
meta = gtk_source_language_get_mime_types (lang);
if (meta) {
for (s = meta; *s; ++s) {
if (!strcmp (*s, content_type))
goto end;
}
g_strfreev (meta);
}
meta = gtk_source_language_get_globs (lang);
if (meta) {
for (s = meta; *s; ++s) {
if (!fnmatch (*s, filename, 0)) {
goto end;
}
}
g_strfreev (meta);
}
}
lang = NULL;
end:
g_free (content_type);
g_free (filename);
return lang;
}
static void
view_file_set_source_code (GiggleViewFile *view,
const char *text,
gsize len)
{
GiggleViewFilePriv *priv;
GtkTextBuffer *buffer;
GtkSourceLanguage *language = NULL;
GtkTextIter start, end;
priv = GET_PRIV (view);
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->source_view));
gtk_widget_set_sensitive (priv->revision_list, NULL != text);
gtk_widget_set_sensitive (priv->source_view, NULL != text);
gtk_text_buffer_set_text (buffer, text ? text : "", len);
if (priv->action_group)
gtk_action_group_set_sensitive (priv->action_group, NULL != text);
if (text)
language = view_file_find_language (view, text, len);
gtk_text_buffer_get_bounds (buffer, &start, &end);
gtk_source_buffer_remove_source_marks (GTK_SOURCE_BUFFER (buffer), &start, &end, NULL);
gtk_source_buffer_set_language (GTK_SOURCE_BUFFER (buffer), language);
}
static const char *
get_line_category (int line,
GtkStateType state,
int num_lines)
{
if (!line) {
if (1 == num_lines)
return CHUNK_NAME (state, "start-end");
return CHUNK_NAME (state, "start");
}
if (line < num_lines - 1)
return CHUNK_NAME (state, "middle");
return CHUNK_NAME (state, "end");
}
static GtkStateType
get_chunk_state (GiggleViewFilePriv *priv,
const GiggleGitBlameChunk *chunk)
{
if (!giggle_revision_compare (priv->current_revision, chunk->revision))
return GTK_STATE_SELECTED;
return GTK_STATE_NORMAL;
}
static void
view_file_blame_job_callback (GiggleGit *git,
GiggleJob *job,
GError *error,
gpointer data)
{
GiggleViewFile *view;
GiggleViewFilePriv *priv;
const GiggleGitBlameChunk *chunk;
int i, l;
GtkSourceBuffer *buffer;
GtkSourceMark *mark;
GtkTextIter iter;
const char *category;
GtkStateType state;
view = GIGGLE_VIEW_FILE (data);
priv = GET_PRIV (view);
priv->job = NULL;
if (error) {
g_warning ("%s: %s", G_STRFUNC, error->message);
} else {
buffer = GTK_SOURCE_BUFFER (gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->source_view)));
for (i = 0; (chunk = giggle_git_blame_get_chunk (GIGGLE_GIT_BLAME (job), i)); ++i) {
for (l = 0; l < chunk->num_lines; ++l) {
state = get_chunk_state (priv, chunk);
category = get_line_category (l, state, chunk->num_lines);
gtk_text_buffer_get_iter_at_line (GTK_TEXT_BUFFER (buffer),
&iter, chunk->result_line + l - 1);
mark = gtk_source_buffer_create_source_mark (buffer, NULL,
category, &iter);
g_object_set_data_full (G_OBJECT (mark), "giggle-revision",
g_object_ref (chunk->revision),
g_object_unref);
}
}
}
g_object_unref (job);
}
static void
view_file_cat_file_job_callback (GiggleGit *git,
GiggleJob *job,
GError *error,
gpointer data)
{
GiggleViewFile *view;
GiggleViewFilePriv *priv;
const char *text;
gsize len;
view = GIGGLE_VIEW_FILE (data);
priv = GET_PRIV (view);
priv->job = NULL;
if (error) {
view_file_set_source_code (view, error->message, -1);
} else {
text = giggle_git_cat_file_get_contents (GIGGLE_GIT_CAT_FILE (job), &len);
view_file_set_source_code (view, text, len);
priv->job = giggle_git_blame_new (priv->current_revision,
priv->current_file);
giggle_git_run_job (priv->git,
priv->job,
view_file_blame_job_callback,
view);
}
g_object_unref (job);
}
static void
view_file_list_tree_job_callback (GiggleGit *git,
GiggleJob *job,
GError *error,
gpointer data)
{
GiggleViewFile *view;
GiggleViewFilePriv *priv;
const char *type;
const char *sha = NULL;
char *text;
gsize len;
view = GIGGLE_VIEW_FILE (data);
priv = GET_PRIV (view);
priv->job = NULL;
if (error) {
show_error (view, _("An error occurred when getting file ref:\n%s"), error);
} else {
type = giggle_git_list_tree_get_kind (GIGGLE_GIT_LIST_TREE (job),
priv->current_file);
if (!g_strcmp0 (type, "blob")) {
sha = giggle_git_list_tree_get_sha (GIGGLE_GIT_LIST_TREE (job),
priv->current_file);
}
if (sha) {
priv->job = giggle_git_cat_file_new ("blob", sha);
giggle_git_run_job (priv->git,
priv->job,
view_file_cat_file_job_callback,
view);
} else if (g_file_test (priv->current_file, G_FILE_TEST_IS_DIR)) {
view_file_set_source_code (view, NULL, 0);
} else if (g_file_get_contents (priv->current_file, &text, &len, NULL)) {
view_file_set_source_code (view, text, len);
g_free (text);
} else {
view_file_set_source_code (view, NULL, 0);
}
}
g_object_unref (job);
}
static void
view_file_read_source_code (GiggleViewFile *view)
{
GiggleViewFilePriv *priv;
char *directory;
priv = GET_PRIV (view);
if (priv->current_file) {
directory = g_path_get_dirname (priv->current_file);
priv->job = giggle_git_list_tree_new (priv->current_revision, directory);
giggle_git_run_job (priv->git,
priv->job,
view_file_list_tree_job_callback,
view);
g_free (directory);
} else {
view_file_set_source_code (view, NULL, 0);
}
}
static void
view_file_select_file_job_callback (GiggleGit *git,
GiggleJob *job,
GError *error,
gpointer data)
{
GiggleViewFile *view;
GiggleViewFilePriv *priv;
GtkListStore *store;
GtkTreeIter iter;
GList *revisions;
view = GIGGLE_VIEW_FILE (data);
priv = GET_PRIV (view);
priv->job = NULL;
if (error) {
show_error (view, _("An error occurred when getting the revisions list:\n%s"), error);
} else {
store = gtk_list_store_new (1, GIGGLE_TYPE_REVISION);
revisions = giggle_git_revisions_get_revisions (GIGGLE_GIT_REVISIONS (job));
while (revisions) {
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
0, revisions->data,
-1);
revisions = revisions->next;
}
giggle_rev_list_view_set_model (GIGGLE_REV_LIST_VIEW (priv->revision_list),
GTK_TREE_MODEL (store));
g_object_unref (store);
view_file_read_source_code (view);
}
g_object_unref (job);
}
static void
view_file_selection_changed_cb (GtkTreeSelection *selection,
GiggleViewFile *view)
{
GiggleViewFilePriv *priv;
GList *files;
priv = GET_PRIV (view);
files = giggle_file_list_get_selection (GIGGLE_FILE_LIST (priv->file_list));