[gitg: 69/69] Code cleanup in gitg-cell-renderer-path



commit 2745cd7c93e1ec784ba8c15965ebb2b6097e9ef1
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Fri Jul 22 23:52:20 2011 +0200

    Code cleanup in gitg-cell-renderer-path

 gitg/gitg-cell-renderer-path.c |  457 ++++++++++++++++++++++++----------------
 gitg/gitg-cell-renderer-path.h |   20 ++-
 2 files changed, 293 insertions(+), 184 deletions(-)
---
diff --git a/gitg/gitg-cell-renderer-path.c b/gitg/gitg-cell-renderer-path.c
index 837cff1..97902ee 100644
--- a/gitg/gitg-cell-renderer-path.c
+++ b/gitg/gitg-cell-renderer-path.c
@@ -61,18 +61,18 @@ struct _GitgCellRendererPathPrivate
 
 static GtkCellRendererTextClass *parent_class = NULL;
 
-G_DEFINE_TYPE(GitgCellRendererPath, gitg_cell_renderer_path, GTK_TYPE_CELL_RENDERER_TEXT)
+G_DEFINE_TYPE (GitgCellRendererPath, gitg_cell_renderer_path, GTK_TYPE_CELL_RENDERER_TEXT)
 
 static gint
-num_lanes(GitgCellRendererPath *self)
+num_lanes (GitgCellRendererPath *self)
 {
-	return g_slist_length (gitg_revision_get_lanes(self->priv->revision));
+	return g_slist_length (gitg_revision_get_lanes (self->priv->revision));
 }
 
 static gboolean
-is_dummy(GitgRevision *revision)
+is_dummy (GitgRevision *revision)
 {
-	switch (gitg_revision_get_sign(revision))
+	switch (gitg_revision_get_sign (revision))
 	{
 		case 's':
 		case 't':
@@ -84,54 +84,75 @@ is_dummy(GitgRevision *revision)
 }
 
 static gint
-total_width(GitgCellRendererPath *self, GtkWidget *widget)
+total_width (GitgCellRendererPath *self,
+             GtkWidget            *widget)
 {
 	PangoFontDescription *font;
-	g_object_get(self, "font-desc", &font, NULL);
+	g_object_get (self, "font-desc", &font, NULL);
 
 	gint offset = 0;
 
-	if (is_dummy(self->priv->revision))
+	if (is_dummy (self->priv->revision))
+	{
 		offset = self->priv->lane_width;
+	}
 
-	return num_lanes(self) * self->priv->lane_width + 
-	       gitg_label_renderer_width(widget, font, self->priv->labels) +
+	return num_lanes (self) * self->priv->lane_width +
+	       gitg_label_renderer_width (widget, font, self->priv->labels) +
 	       offset;
 }
 
 static void
-gitg_cell_renderer_path_finalize(GObject *object)
+gitg_cell_renderer_path_finalize (GObject *object)
 {
-	GitgCellRendererPath *self = GITG_CELL_RENDERER_PATH(object);
+	GitgCellRendererPath *self = GITG_CELL_RENDERER_PATH (object);
 
-	gitg_revision_unref(self->priv->revision);
-	gitg_revision_unref(self->priv->next_revision);
+	gitg_revision_unref (self->priv->revision);
+	gitg_revision_unref (self->priv->next_revision);
 
-	g_slist_free(self->priv->labels);
+	g_slist_free (self->priv->labels);
 
-	G_OBJECT_CLASS(gitg_cell_renderer_path_parent_class)->finalize(object);
+	G_OBJECT_CLASS (gitg_cell_renderer_path_parent_class)->finalize (object);
 }
 
 static void
-renderer_get_size(GtkCellRenderer *renderer, GtkWidget *widget, const GdkRectangle *area, gint *xoffset, gint *yoffset, gint *width, gint *height)
+renderer_get_size (GtkCellRenderer    *renderer,
+                   GtkWidget          *widget,
+                   const GdkRectangle *area,
+                   gint               *xoffset,
+                   gint               *yoffset,
+                   gint               *width,
+                   gint               *height)
 {
-	GitgCellRendererPath *self = GITG_CELL_RENDERER_PATH(renderer);
+	GitgCellRendererPath *self = GITG_CELL_RENDERER_PATH (renderer);
 
 	if (xoffset)
+	{
 		*xoffset = 0;
+	}
 
 	if (yoffset)
+	{
 		*yoffset = 0;
+	}
 
 	if (width)
-		*width = total_width(self, widget);
+	{
+		*width = total_width (self, widget);
+	}
 
 	if (height)
+	{
 		*height = area ? area->height : 1;
+	}
 }
 
 static void
-draw_arrow(GitgCellRendererPath *self, cairo_t *cr, const GdkRectangle *area, gint8 laneidx, gboolean top)
+draw_arrow (GitgCellRendererPath *self,
+            cairo_t              *cr,
+            const GdkRectangle   *area,
+            gint8                 laneidx,
+            gboolean              top)
 {
 	gdouble cw = self->priv->lane_width;
 	gdouble xpos = area->x + laneidx * cw + cw / 2.0;
@@ -139,27 +160,33 @@ draw_arrow(GitgCellRendererPath *self, cairo_t *cr, const GdkRectangle *area, gi
 	gdouble ypos = area->y + area->height / 2.0 + df;
 	gdouble q = cw / 4.0;
 
-	cairo_move_to(cr, xpos - q, ypos + (top ? q : -q));
-	cairo_line_to(cr, xpos, ypos);
-	cairo_line_to(cr, xpos + q, ypos + (top ? q : -q));
-	cairo_stroke(cr);
+	cairo_move_to (cr, xpos - q, ypos + (top ? q : -q));
+	cairo_line_to (cr, xpos, ypos);
+	cairo_line_to (cr, xpos + q, ypos + (top ? q : -q));
+	cairo_stroke (cr);
 
-	cairo_move_to(cr, xpos, ypos);
-	cairo_line_to(cr, xpos, ypos - df);
-	cairo_stroke(cr);
+	cairo_move_to (cr, xpos, ypos);
+	cairo_line_to (cr, xpos, ypos - df);
+	cairo_stroke (cr);
 
-	//cairo_move_to(cr, xpos, ypos);
-	//cairo_line_to(cr, xpos, ypos + (top ? 1 : -1) * area->height / 2.0);
-	//cairo_stroke(cr);
+	//cairo_move_to (cr, xpos, ypos);
+	//cairo_line_to (cr, xpos, ypos + (top ? 1 : -1) * area->height / 2.0);
+	//cairo_stroke (cr);
 }
 
 static void
-draw_paths_real(GitgCellRendererPath *self, cairo_t *cr, const GdkRectangle *area, GitgRevision *revision, gdouble yoffset)
+draw_paths_real (GitgCellRendererPath *self,
+                 cairo_t              *cr,
+                 const GdkRectangle   *area,
+                 GitgRevision         *revision,
+                 gdouble               yoffset)
 {
 	if (!revision)
+	{
 		return;
+	}
 
-	GSList *lanes = gitg_revision_get_lanes(revision);
+	GSList *lanes = gitg_revision_get_lanes (revision);
 	gint8 to = 0;
 	gdouble cw = self->priv->lane_width;
 	gdouble ch = area->height / 2.0;
@@ -169,19 +196,22 @@ draw_paths_real(GitgCellRendererPath *self, cairo_t *cr, const GdkRectangle *are
 	{
 		GSList *item;
 
-		lane = (GitgLane *)(lanes->data);
-		gitg_color_set_cairo_source(lane->color, cr);
+		lane = (GitgLane *) (lanes->data);
+		gitg_color_set_cairo_source (lane->color, cr);
 
 		for (item = lane->from; item; item = item->next)
 		{
-			gint8 from = (gint8)GPOINTER_TO_INT(item->data);
+			gint8 from = (gint8)GPOINTER_TO_INT (item->data);
 
-			cairo_move_to(cr, area->x + from * cw + cw / 2.0, area->y + yoffset * ch);
-			cairo_curve_to(cr, area->x + from * cw + cw / 2.0, area->y + (yoffset + 1) * ch,
-						   area->x + to * cw + cw / 2.0, area->y + (yoffset + 1) * ch,
-						   area->x + to * cw + cw / 2.0, area->y + (yoffset + 2) * ch);
+			cairo_move_to (cr, area->x + from * cw + cw / 2.0,
+			               area->y + yoffset * ch);
 
-			cairo_stroke(cr);
+			cairo_curve_to (cr, area->x + from * cw + cw / 2.0,
+			                area->y + (yoffset + 1) * ch,
+			                area->x + to * cw + cw / 2.0, area->y + (yoffset + 1) * ch,
+			                area->x + to * cw + cw / 2.0, area->y + (yoffset + 2) * ch);
+
+			cairo_stroke (cr);
 		}
 
 		++to;
@@ -190,68 +220,88 @@ draw_paths_real(GitgCellRendererPath *self, cairo_t *cr, const GdkRectangle *are
 }
 
 static void
-draw_top_paths(GitgCellRendererPath *self, cairo_t *cr, const GdkRectangle *area)
+draw_top_paths (GitgCellRendererPath *self,
+                cairo_t              *cr,
+                const GdkRectangle   *area)
 {
-	draw_paths_real(self, cr, area, self->priv->revision, -1);
+	draw_paths_real (self, cr, area, self->priv->revision, -1);
 }
 
 static void
-draw_bottom_paths(GitgCellRendererPath *self, cairo_t *cr, const GdkRectangle *area)
+draw_bottom_paths (GitgCellRendererPath *self,
+                   cairo_t              *cr,
+                   const GdkRectangle   *area)
 {
-	draw_paths_real(self, cr, area, self->priv->next_revision, 1);
+	draw_paths_real (self, cr, area, self->priv->next_revision, 1);
 }
 
 static void
-draw_arrows(GitgCellRendererPath *self, cairo_t *cr, const GdkRectangle *area)
+draw_arrows (GitgCellRendererPath *self,
+             cairo_t              *cr,
+             const GdkRectangle   *area)
 {
 	GSList *item;
 	gint8 to = 0;
 
-	for (item = gitg_revision_get_lanes(self->priv->revision); item; item = item->next)
+	for (item = gitg_revision_get_lanes (self->priv->revision); item; item = item->next)
 	{
 		GitgLane *lane = (GitgLane *)item->data;
-		gitg_color_set_cairo_source(lane->color, cr);
+		gitg_color_set_cairo_source (lane->color, cr);
 
 		if (lane->type & GITG_LANE_TYPE_START)
-			draw_arrow(self, cr, area, to, TRUE);
+		{
+			draw_arrow (self, cr, area, to, TRUE);
+		}
 		else if (lane->type & GITG_LANE_TYPE_END)
-			draw_arrow(self, cr, area, to, FALSE);
+		{
+			draw_arrow (self, cr, area, to, FALSE);
+		}
 
 		++to;
 	}
 }
 
 static void
-draw_paths(GitgCellRendererPath *self, cairo_t *cr, const GdkRectangle *area)
+draw_paths (GitgCellRendererPath *self,
+            cairo_t              *cr,
+            const GdkRectangle   *area)
 {
-	cairo_set_line_width(cr, 2);
-	//cairo_set_source_rgb(cr, 0.45, 0.6, 0.74);
-	cairo_set_line_cap(cr, CAIRO_LINE_CAP_ROUND);
+	cairo_set_line_width (cr, 2);
+	//cairo_set_source_rgb (cr, 0.45, 0.6, 0.74);
+	cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
 
-	draw_top_paths(self, cr, area);
-	draw_bottom_paths(self, cr, area);
-	draw_arrows(self, cr, area);
+	draw_top_paths (self, cr, area);
+	draw_bottom_paths (self, cr, area);
+	draw_arrows (self, cr, area);
 }
 
 static void
-draw_labels(GitgCellRendererPath *self, GtkWidget *widget, cairo_t *context, const GdkRectangle *area)
+draw_labels (GitgCellRendererPath *self,
+             GtkWidget            *widget,
+             cairo_t              *context,
+             const GdkRectangle   *area)
 {
-	gint offset = num_lanes(self) * self->priv->lane_width;
+	gint offset = num_lanes (self) * self->priv->lane_width;
 	PangoFontDescription *font;
 
-	if (is_dummy(self->priv->revision))
+	if (is_dummy (self->priv->revision))
+	{
 		offset += self->priv->lane_width;
+	}
 
-	g_object_get(self, "font-desc", &font, NULL);
+	g_object_get (self, "font-desc", &font, NULL);
 
-	cairo_translate(context, offset, 0.0);
-	gitg_label_renderer_draw(widget, font, context, self->priv->labels, area);
+	cairo_translate (context, offset, 0.0);
+	gitg_label_renderer_draw (widget, font, context, self->priv->labels, area);
 }
 
 static void
-draw_indicator_triangle(GitgCellRendererPath *self, GitgLane *lane, cairo_t *context, const GdkRectangle *area)
+draw_indicator_triangle (GitgCellRendererPath *self,
+                         GitgLane             *lane,
+                         cairo_t              *context,
+                         const GdkRectangle   *area)
 {
-	gdouble offset = gitg_revision_get_mylane(self->priv->revision) * self->priv->lane_width + (self->priv->lane_width - self->priv->triangle_width) / 2.0;
+	gdouble offset = gitg_revision_get_mylane (self->priv->revision) * self->priv->lane_width + (self->priv->lane_width - self->priv->triangle_width) / 2.0;
 	gdouble radius = self->priv->triangle_width / 2.0;
 	gdouble xs;
 	int xd;
@@ -267,58 +317,81 @@ draw_indicator_triangle(GitgCellRendererPath *self, GitgLane *lane, cairo_t *con
 		xd = 1;
 	}
 
-	cairo_set_line_width(context, 2.0);
-	cairo_move_to(context, area->x + offset + radius + xs, area->y + (area->height - self->priv->triangle_width) / 2);
-	cairo_rel_line_to(context, 0, self->priv->triangle_width);
-	cairo_rel_line_to(context, xd * self->priv->triangle_width, -self->priv->triangle_width / 2);
-	cairo_close_path(context);
+	cairo_set_line_width (context, 2.0);
+
+	cairo_move_to (context,
+	               area->x + offset + radius + xs,
+	               area->y + (area->height - self->priv->triangle_width) / 2);
 
-	cairo_set_source_rgb(context, 0, 0, 0);
-	cairo_stroke_preserve(context);
+	cairo_rel_line_to (context, 0, self->priv->triangle_width);
+	cairo_rel_line_to (context,
+	                   xd * self->priv->triangle_width,
+	                   -self->priv->triangle_width / 2);
 
-	gitg_color_set_cairo_source(lane->color, context);
-	cairo_fill(context);
+	cairo_close_path (context);
+
+	cairo_set_source_rgb (context, 0, 0, 0);
+	cairo_stroke_preserve (context);
+
+	gitg_color_set_cairo_source (lane->color, context);
+	cairo_fill (context);
 }
 
 static void
-draw_indicator_circle(GitgCellRendererPath *self, GitgLane *lane, cairo_t *context, const GdkRectangle *area)
+draw_indicator_circle (GitgCellRendererPath *self,
+                       GitgLane             *lane,
+                       cairo_t              *context,
+                       const GdkRectangle   *area)
 {
-	gdouble offset = gitg_revision_get_mylane(self->priv->revision) * self->priv->lane_width + (self->priv->lane_width - self->priv->dot_width) / 2.0;
+	gdouble offset = gitg_revision_get_mylane (self->priv->revision) * self->priv->lane_width + (self->priv->lane_width - self->priv->dot_width) / 2.0;
 	gdouble radius = self->priv->dot_width / 2.0;
 
-	if (is_dummy(self->priv->revision))
+	if (is_dummy (self->priv->revision))
+	{
 		offset += self->priv->lane_width;
+	}
 
-	cairo_set_line_width(context, 2.0);
-	cairo_arc(context, area->x + offset + radius, area->y + area->height / 2.0, radius, 0, 2 * M_PI);
-	cairo_set_source_rgb(context, 0, 0, 0);
+	cairo_set_line_width (context, 2.0);
+	cairo_arc (context, area->x + offset + radius, area->y + area->height / 2.0, radius, 0, 2 * M_PI);
+	cairo_set_source_rgb (context, 0, 0, 0);
 
-	if (is_dummy(self->priv->revision))
+	if (is_dummy (self->priv->revision))
 	{
-		cairo_stroke(context);
+		cairo_stroke (context);
 	}
 	else
 	{
-		cairo_stroke_preserve(context);
-		gitg_color_set_cairo_source(lane->color, context);
+		cairo_stroke_preserve (context);
+		gitg_color_set_cairo_source (lane->color, context);
 
-		cairo_fill(context);
+		cairo_fill (context);
 	}
 }
 
 static void
-draw_indicator(GitgCellRendererPath *self, cairo_t *context, const GdkRectangle *area)
+draw_indicator (GitgCellRendererPath *self,
+                cairo_t              *context,
+                const GdkRectangle   *area)
 {
-	GitgLane *lane = gitg_revision_get_lane(self->priv->revision);
+	GitgLane *lane = gitg_revision_get_lane (self->priv->revision);
 
 	if (lane->type & GITG_LANE_SIGN_LEFT || lane->type & GITG_LANE_SIGN_RIGHT)
-		draw_indicator_triangle(self, lane, context, area);
+	{
+		draw_indicator_triangle (self, lane, context, area);
+	}
 	else
-		draw_indicator_circle(self, lane, context, area);
+	{
+		draw_indicator_circle (self, lane, context, area);
+	}
 }
 
 static void
-renderer_render(GtkCellRenderer *renderer, cairo_t *cr, GtkWidget *widget, const GdkRectangle *area, const GdkRectangle *cell_area, GtkCellRendererState flags)
+renderer_render (GtkCellRenderer      *renderer,
+                 cairo_t              *cr,
+                 GtkWidget            *widget,
+                 const GdkRectangle   *area,
+                 const GdkRectangle   *cell_area,
+                 GtkCellRendererState  flags)
 {
 	GitgCellRendererPath *self;
 	GdkRectangle narea;
@@ -331,15 +404,15 @@ renderer_render(GtkCellRenderer *renderer, cairo_t *cr, GtkWidget *widget, const
 	cairo_save (cr);
 
 	gdk_cairo_rectangle (cr, area);
-	cairo_clip(cr);
+	cairo_clip (cr);
 
-	draw_paths(self, cr, area);
+	draw_paths (self, cr, area);
 
 	/* draw indicator */
-	draw_indicator(self, cr, area);
+	draw_indicator (self, cr, area);
 
 	/* draw labels */
-	draw_labels(self, widget, cr, area);
+	draw_labels (self, widget, cr, area);
 
 	narea = *area;
 	ncell_area = *cell_area;
@@ -361,75 +434,81 @@ renderer_render(GtkCellRenderer *renderer, cairo_t *cr, GtkWidget *widget, const
 }
 
 static void
-gitg_cell_renderer_path_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+gitg_cell_renderer_path_get_property (GObject    *object,
+                                      guint       prop_id,
+                                      GValue     *value,
+                                      GParamSpec *pspec)
 {
-	GitgCellRendererPath *self = GITG_CELL_RENDERER_PATH(object);
+	GitgCellRendererPath *self = GITG_CELL_RENDERER_PATH (object);
 
 	switch (prop_id)
 	{
 		case PROP_REVISION:
-			g_value_set_boxed(value, self->priv->revision);
+			g_value_set_boxed (value, self->priv->revision);
 		break;
 		case PROP_NEXT_REVISION:
-			g_value_set_boxed(value, self->priv->next_revision);
+			g_value_set_boxed (value, self->priv->next_revision);
 		break;
 		case PROP_LANE_WIDTH:
-			g_value_set_uint(value, self->priv->lane_width);
+			g_value_set_uint (value, self->priv->lane_width);
 		break;
 		case PROP_DOT_WIDTH:
-			g_value_set_uint(value, self->priv->dot_width);
+			g_value_set_uint (value, self->priv->dot_width);
 		break;
 		case PROP_TRIANGLE_WIDTH:
-			g_value_set_uint(value, self->priv->triangle_width);
+			g_value_set_uint (value, self->priv->triangle_width);
 		break;
 		case PROP_LABELS:
-			g_value_set_pointer(value, self->priv->labels);
+			g_value_set_pointer (value, self->priv->labels);
 		break;
 		default:
-			G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
+			G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 		break;
 	}
 }
 
 static void
-gitg_cell_renderer_path_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+gitg_cell_renderer_path_set_property (GObject      *object,
+                                      guint         prop_id,
+                                      const GValue *value,
+                                      GParamSpec   *pspec)
 {
-	GitgCellRendererPath *self = GITG_CELL_RENDERER_PATH(object);
+	GitgCellRendererPath *self = GITG_CELL_RENDERER_PATH (object);
 
 	switch (prop_id)
 	{
 		case PROP_REVISION:
-			gitg_revision_unref(self->priv->revision);
-			self->priv->revision = g_value_dup_boxed(value);
+			gitg_revision_unref (self->priv->revision);
+			self->priv->revision = g_value_dup_boxed (value);
 		break;
 		case PROP_NEXT_REVISION:
-			gitg_revision_unref(self->priv->next_revision);
-			self->priv->next_revision = g_value_dup_boxed(value);
+			gitg_revision_unref (self->priv->next_revision);
+			self->priv->next_revision = g_value_dup_boxed (value);
 		break;
 		case PROP_LANE_WIDTH:
-			self->priv->lane_width = g_value_get_uint(value);
+			self->priv->lane_width = g_value_get_uint (value);
 		break;
 		case PROP_DOT_WIDTH:
-			self->priv->dot_width = g_value_get_uint(value);
+			self->priv->dot_width = g_value_get_uint (value);
 		break;
 		case PROP_TRIANGLE_WIDTH:
-			self->priv->triangle_width = g_value_get_uint(value);
+			self->priv->triangle_width = g_value_get_uint (value);
 		break;
 		case PROP_LABELS:
-			g_slist_free(self->priv->labels);
-			self->priv->labels = (GSList *)g_value_get_pointer(value);
+			g_slist_free (self->priv->labels);
+			self->priv->labels = (GSList *)g_value_get_pointer (value);
 		break;
 		default:
-			G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
+			G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 		break;
 	}
 }
 
 static void
-gitg_cell_renderer_path_class_init(GitgCellRendererPathClass *klass)
+gitg_cell_renderer_path_class_init (GitgCellRendererPathClass *klass)
 {
-	GObjectClass *object_class = G_OBJECT_CLASS(klass);
-	GtkCellRendererClass *renderer_class = GTK_CELL_RENDERER_CLASS(klass);
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+	GtkCellRendererClass *renderer_class = GTK_CELL_RENDERER_CLASS (klass);
 
 	object_class->finalize = gitg_cell_renderer_path_finalize;
 	object_class->get_property = gitg_cell_renderer_path_get_property;
@@ -438,62 +517,68 @@ gitg_cell_renderer_path_class_init(GitgCellRendererPathClass *klass)
 	renderer_class->get_size = renderer_get_size;
 	renderer_class->render = renderer_render;
 
-	parent_class = g_type_class_peek_parent(klass);
-
-	g_object_class_install_property(object_class, PROP_REVISION,
-					 g_param_spec_boxed("revision",
-							      "REVISION",
-							      "The revision",
-							      GITG_TYPE_REVISION,
-							      G_PARAM_READWRITE));
-
-	g_object_class_install_property(object_class, PROP_NEXT_REVISION,
-					 g_param_spec_boxed("next-revision",
-							      "NEXT_REVISION",
-							      "The next revision",
-							      GITG_TYPE_REVISION,
-							      G_PARAM_READWRITE));
-
-	g_object_class_install_property(object_class, PROP_LANE_WIDTH,
-					 g_param_spec_uint("lane-width",
-							      "LANE WIDTH",
-							      "The lane width",
-							      0,
-							      G_MAXUINT,
-							      DEFAULT_LANE_WIDTH,
-							      G_PARAM_READWRITE));
-
-	g_object_class_install_property(object_class, PROP_DOT_WIDTH,
-					 g_param_spec_uint("dot-width",
-							      "DOT WIDTH",
-							      "The dot width",
-							      0,
-							      G_MAXUINT,
-							      DEFAULT_DOT_WIDTH,
-							      G_PARAM_READWRITE));
-
-	g_object_class_install_property(object_class, PROP_TRIANGLE_WIDTH,
-					 g_param_spec_uint("triangle-width",
-							      "TRIANGLE WIDTH",
-							      "The triangle width",
-							      0,
-							      G_MAXUINT,
-							      DEFAULT_TRIANGLE_WIDTH,
-							      G_PARAM_READWRITE));
-
-	g_object_class_install_property(object_class, PROP_LABELS,
-					 g_param_spec_pointer("labels",
-							      "LABELS",
-							      "Labels",
-							      G_PARAM_READWRITE));
-
-	g_type_class_add_private(object_class, sizeof(GitgCellRendererPathPrivate));
+	parent_class = g_type_class_peek_parent (klass);
+
+	g_object_class_install_property (object_class,
+	                                 PROP_REVISION,
+	                                 g_param_spec_boxed ("revision",
+	                                                     "REVISION",
+	                                                     "The revision",
+	                                                     GITG_TYPE_REVISION,
+	                                                     G_PARAM_READWRITE));
+
+	g_object_class_install_property (object_class,
+	                                 PROP_NEXT_REVISION,
+	                                 g_param_spec_boxed ("next-revision",
+	                                                     "NEXT_REVISION",
+	                                                     "The next revision",
+	                                                     GITG_TYPE_REVISION,
+	                                                     G_PARAM_READWRITE));
+
+	g_object_class_install_property (object_class,
+	                                 PROP_LANE_WIDTH,
+	                                 g_param_spec_uint ("lane-width",
+	                                                    "LANE WIDTH",
+	                                                    "The lane width",
+	                                                    0,
+	                                                    G_MAXUINT,
+	                                                    DEFAULT_LANE_WIDTH,
+	                                                    G_PARAM_READWRITE));
+
+	g_object_class_install_property (object_class,
+	                                 PROP_DOT_WIDTH,
+	                                 g_param_spec_uint ("dot-width",
+	                                                    "DOT WIDTH",
+	                                                    "The dot width",
+	                                                    0,
+	                                                    G_MAXUINT,
+	                                                    DEFAULT_DOT_WIDTH,
+	                                                    G_PARAM_READWRITE));
+
+	g_object_class_install_property (object_class,
+	                                 PROP_TRIANGLE_WIDTH,
+	                                 g_param_spec_uint ("triangle-width",
+	                                                    "TRIANGLE WIDTH",
+	                                                    "The triangle width",
+	                                                    0,
+	                                                    G_MAXUINT,
+	                                                    DEFAULT_TRIANGLE_WIDTH,
+	                                                    G_PARAM_READWRITE));
+
+	g_object_class_install_property (object_class,
+	                                 PROP_LABELS,
+	                                 g_param_spec_pointer ("labels",
+	                                                       "LABELS",
+	                                                       "Labels",
+	                                                       G_PARAM_READWRITE));
+
+	g_type_class_add_private (object_class, sizeof (GitgCellRendererPathPrivate));
 }
 
 static void
-gitg_cell_renderer_path_init(GitgCellRendererPath *self)
+gitg_cell_renderer_path_init (GitgCellRendererPath *self)
 {
-	self->priv = GITG_CELL_RENDERER_PATH_GET_PRIVATE(self);
+	self->priv = GITG_CELL_RENDERER_PATH_GET_PRIVATE (self);
 
 	self->priv->lane_width = DEFAULT_LANE_WIDTH;
 	self->priv->dot_width = DEFAULT_DOT_WIDTH;
@@ -501,13 +586,16 @@ gitg_cell_renderer_path_init(GitgCellRendererPath *self)
 }
 
 GtkCellRenderer *
-gitg_cell_renderer_path_new()
+gitg_cell_renderer_path_new ()
 {
-	return GTK_CELL_RENDERER(g_object_new(GITG_TYPE_CELL_RENDERER_PATH, NULL));
+	return GTK_CELL_RENDERER (g_object_new (GITG_TYPE_CELL_RENDERER_PATH, NULL));
 }
 
 GitgRef *
-gitg_cell_renderer_path_get_ref_at_pos (GtkWidget *widget, GitgCellRendererPath *renderer, gint x, gint *hot_x)
+gitg_cell_renderer_path_get_ref_at_pos (GtkWidget            *widget,
+                                        GitgCellRendererPath *renderer,
+                                        gint                  x,
+                                        gint                 *hot_x)
 {
 	g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
 	g_return_val_if_fail (GITG_IS_CELL_RENDERER_PATH (renderer), NULL);
@@ -517,22 +605,35 @@ gitg_cell_renderer_path_get_ref_at_pos (GtkWidget *widget, GitgCellRendererPath
 
 	gint offset = 0;
 
-	if (is_dummy(renderer->priv->revision))
+	if (is_dummy (renderer->priv->revision))
+	{
 		offset = renderer->priv->lane_width;
+	}
 
-	x -= num_lanes(renderer) * renderer->priv->lane_width + offset;
+	x -= num_lanes (renderer) * renderer->priv->lane_width + offset;
 
-	return gitg_label_renderer_get_ref_at_pos (widget, font, renderer->priv->labels, x, hot_x);
+	return gitg_label_renderer_get_ref_at_pos (widget,
+	                                           font,
+	                                           renderer->priv->labels,
+	                                           x,
+	                                           hot_x);
 }
 
 GdkPixbuf *
-gitg_cell_renderer_path_render_ref (GtkWidget *widget, GitgCellRendererPath *renderer, GitgRef *ref, gint minwidth)
+gitg_cell_renderer_path_render_ref (GtkWidget            *widget,
+                                    GitgCellRendererPath *renderer,
+                                    GitgRef              *ref,
+                                    gint                  minwidth)
 {
 	g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
 	g_return_val_if_fail (GITG_IS_CELL_RENDERER_PATH (renderer), NULL);
 
 	PangoFontDescription *font;
-	g_object_get(renderer, "font-desc", &font, NULL);
+	g_object_get (renderer, "font-desc", &font, NULL);
 
-	return gitg_label_renderer_render_ref (widget, font, ref, renderer->priv->last_height, minwidth);
+	return gitg_label_renderer_render_ref (widget,
+	                                       font,
+	                                       ref,
+	                                       renderer->priv->last_height,
+	                                       minwidth);
 }
diff --git a/gitg/gitg-cell-renderer-path.h b/gitg/gitg-cell-renderer-path.h
index 21f99d9..8ab7c99 100644
--- a/gitg/gitg-cell-renderer-path.h
+++ b/gitg/gitg-cell-renderer-path.h
@@ -40,21 +40,29 @@ typedef struct _GitgCellRendererPath		GitgCellRendererPath;
 typedef struct _GitgCellRendererPathClass	GitgCellRendererPathClass;
 typedef struct _GitgCellRendererPathPrivate	GitgCellRendererPathPrivate;
 
-struct _GitgCellRendererPath {
+struct _GitgCellRendererPath
+{
 	GtkCellRendererText parent;
 
 	GitgCellRendererPathPrivate *priv;
 };
 
-struct _GitgCellRendererPathClass {
+struct _GitgCellRendererPathClass
+{
 	GtkCellRendererTextClass parent_class;
 };
 
-GType gitg_cell_renderer_path_get_type (void) G_GNUC_CONST;
-GtkCellRenderer *gitg_cell_renderer_path_new(void);
+GType            gitg_cell_renderer_path_get_type       (void) G_GNUC_CONST;
+GtkCellRenderer *gitg_cell_renderer_path_new            (void);
 
-GitgRef *gitg_cell_renderer_path_get_ref_at_pos (GtkWidget *widget, GitgCellRendererPath *renderer, gint x, gint *hot_x);
-GdkPixbuf *gitg_cell_renderer_path_render_ref (GtkWidget *widget, GitgCellRendererPath *renderer, GitgRef *ref, gint minwidth);
+GitgRef         *gitg_cell_renderer_path_get_ref_at_pos (GtkWidget            *widget,
+                                                         GitgCellRendererPath *renderer,
+                                                         gint                  x,
+                                                         gint                 *hot_x);
+GdkPixbuf       *gitg_cell_renderer_path_render_ref     (GtkWidget            *widget,
+                                                         GitgCellRendererPath *renderer,
+                                                         GitgRef              *ref,
+                                                         gint                  minwidth);
 
 G_END_DECLS
 



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