[vte: 1/9] Make _vte_draw_new always create a pangocairo implementation

[Kristian Høgsberg <krh src gnome org>]

commit 02e5dd66a5bd4bbaa8a0c4bab46c1341af3d9f36
Author: Kristian Høgsberg <krh bitplanet net>
Date:   Wed Dec 23 09:50:10 2009 -0500

    Make _vte_draw_new always create a pangocairo implementation

 src/vtedraw.c       |  121 ---------------------------------------------------
 src/vtepangocairo.c |   36 +++++++++++++---
 2 files changed, 30 insertions(+), 127 deletions(-)
---
diff --git a/src/vtedraw.c b/src/vtedraw.c
index 3ff3ec5..f3f73ee 100644
--- a/src/vtedraw.c
+++ b/src/vtedraw.c
@@ -31,127 +31,6 @@
 #include "vtepangocairo.h"
 #include "vteskel.h"
 
-static const struct _vte_draw_impl
-*_vte_draw_impls[] = {
-	&_vte_draw_pangocairo,
-};
-
-static gboolean
-_vte_draw_init_user (struct _vte_draw *draw)
-{
-	const gchar *env;
-	gchar **strv, **s;
-	guint i;
-	gboolean success = TRUE;
-
-	env = g_getenv ("VTE_BACKEND");
-	if (!env) {
-		return FALSE;
-	}
-
-	strv = g_strsplit (env, ":;, \t", -1);
-	for (s = strv; *s; s++) {
-		char *p;
-
-		/* lower it */
-		for (p = *s; *p; p++)
-			*p = g_ascii_tolower (*p);
-
-		/* match null draw */
-		if (strcmp (*s, _vte_draw_skel.name) == 0) {
-			draw->impl = &_vte_draw_skel;
-			goto out;
-		}
-
-		/* list available draws */
-		if (strcmp (*s, "list") == 0) {
-			for (i = 0; i < G_N_ELEMENTS (_vte_draw_impls); i++) {
-				g_printerr ("vte backend: %s\n", _vte_draw_impls[i]->name);
-			}
-			continue;
-		}
-
-		/* find among available draws */
-		for (i = 0; i < G_N_ELEMENTS (_vte_draw_impls); i++) {
-			if (strcmp (*s, _vte_draw_impls[i]->name) == 0) {
-				if (_vte_draw_impls[i]->check == NULL ||
-				    _vte_draw_impls[i]->check (draw, draw->widget)) {
-					draw->impl = _vte_draw_impls[i];
-					goto out;
-				}
-			}
-		}
-	}
-
-	success = FALSE;
-out:
-	g_strfreev (strv);
-	return success;
-}
-
-
-static gboolean
-_vte_draw_init_default (struct _vte_draw *draw)
-{
-	guint i;
-
-	for (i = 0; i < G_N_ELEMENTS (_vte_draw_impls); i++) {
-		if (_vte_draw_impls[i]->check == NULL ||
-		    _vte_draw_impls[i]->check (draw, draw->widget)) {
-			draw->impl = _vte_draw_impls[i];
-			return TRUE;
-		}
-	}
-
-	return FALSE;
-}
-
-
-struct _vte_draw *
-_vte_draw_new (GtkWidget *widget)
-{
-	struct _vte_draw *draw;
-
-	/* Create the structure. */
-	draw = g_slice_new0 (struct _vte_draw);
-	draw->widget = g_object_ref (widget);
-
-	/* Allow the user to specify her preferred backends */
-	if (!_vte_draw_init_user (draw) &&
-			/* Otherwise use the first thing that works */
-			!_vte_draw_init_default (draw)) {
-		/* Something has to work. */
-		g_assert_not_reached ();
-		draw->impl = &_vte_draw_skel;
-	}
-
-	draw->requires_clear = draw->impl->always_requires_clear;
-
-	_vte_debug_print (VTE_DEBUG_DRAW,
-			"draw_new (%s)\n", draw->impl->name);
-	_vte_debug_print (VTE_DEBUG_MISC, "Using %s.\n", draw->impl->name);
-
-	if (draw->impl->create)
-		draw->impl->create (draw, draw->widget);
-
-	return draw;
-}
-
-void
-_vte_draw_free (struct _vte_draw *draw)
-{
-	_vte_debug_print (VTE_DEBUG_DRAW, "draw_free\n");
-
-	if (draw->impl->destroy)
-		draw->impl->destroy (draw);
-
-	if (draw->widget != NULL) {
-		g_object_unref (draw->widget);
-	}
-
-	g_slice_free (struct _vte_draw, draw);
-}
-
 GdkVisual *
 _vte_draw_get_visual (struct _vte_draw *draw)
 {
diff --git a/src/vtepangocairo.c b/src/vtepangocairo.c
index 7532c51..6527a25 100644
--- a/src/vtepangocairo.c
+++ b/src/vtepangocairo.c
@@ -791,20 +791,38 @@ struct _vte_pangocairo_data {
 	cairo_t *cr;
 };
 
-static void
-_vte_pangocairo_create (struct _vte_draw *draw, GtkWidget *widget)
+struct _vte_draw *
+_vte_draw_new (GtkWidget *widget)
 {
+	struct _vte_draw *draw;
 	struct _vte_pangocairo_data *data;
 
+	/* Create the structure. */
+	draw = g_slice_new0 (struct _vte_draw);
+	draw->widget = g_object_ref (widget);
+	draw->impl = &_vte_draw_pangocairo;
+	draw->requires_clear = draw->impl->always_requires_clear;
+
+	_vte_debug_print (VTE_DEBUG_DRAW,
+			"draw_new (%s)\n", draw->impl->name);
+	_vte_debug_print (VTE_DEBUG_MISC, "Using %s.\n", draw->impl->name);
+
+	if (draw->impl->create)
+		draw->impl->create (draw, draw->widget);
+
 	data = g_slice_new0 (struct _vte_pangocairo_data);
 	draw->impl_data = data;
+
+	return draw;
 }
 
-static void
-_vte_pangocairo_destroy (struct _vte_draw *draw)
+void
+_vte_draw_free (struct _vte_draw *draw)
 {
 	struct _vte_pangocairo_data *data = draw->impl_data;
 
+	_vte_debug_print (VTE_DEBUG_DRAW, "draw_free\n");
+
 	if (data->bg_pattern != NULL) {
 		cairo_pattern_destroy (data->bg_pattern);
 		data->bg_pattern = NULL;
@@ -817,6 +835,12 @@ _vte_pangocairo_destroy (struct _vte_draw *draw)
 
 	g_slice_free (struct _vte_pangocairo_data, draw->impl_data);
 	draw->impl_data = NULL;
+
+	if (draw->widget != NULL) {
+		g_object_unref (draw->widget);
+	}
+
+	g_slice_free (struct _vte_draw, draw);
 }
 
 static void
@@ -1120,8 +1144,8 @@ _vte_pangocairo_fill_rectangle (struct _vte_draw *draw,
 const struct _vte_draw_impl _vte_draw_pangocairo = {
 	"pangocairo",
 	NULL, /* check */
-	_vte_pangocairo_create,
-	_vte_pangocairo_destroy,
+	NULL, /* create */
+	NULL, /* destroy */
 	NULL, /* get_visual */
 	NULL, /* get_colormap */
 	_vte_pangocairo_start,