Commit bc020fde authored by Matthias Clasen's avatar Matthias Clasen

tests: Rework the way foreigndrawing works

Instead of the weird PathElt struct, generate a quick-n-dirty parser
that parses CSS selectors into GtkWidgetPath elements.

Based on a patch by Benjamin Otte.
parent c5437125
......@@ -18,15 +18,107 @@
#include <gtk/gtk.h>
typedef struct {
GType type;
const gchar *name;
const gchar *class1;
const gchar *class2;
} PathElt;
#include <string.h>
static void
append_element (GtkWidgetPath *path,
const char *selector)
{
static const struct {
const char *name;
GtkStateFlags state_flag;
} pseudo_classes[] = {
{ "active", GTK_STATE_FLAG_ACTIVE },
{ "hover", GTK_STATE_FLAG_PRELIGHT },
{ "selected", GTK_STATE_FLAG_SELECTED },
{ "disabled", GTK_STATE_FLAG_INSENSITIVE },
{ "indeterminate", GTK_STATE_FLAG_INCONSISTENT },
{ "focus", GTK_STATE_FLAG_FOCUSED },
{ "backdrop", GTK_STATE_FLAG_BACKDROP },
{ "dir(ltr)", GTK_STATE_FLAG_DIR_LTR },
{ "dir(rtl)", GTK_STATE_FLAG_DIR_RTL },
{ "link", GTK_STATE_FLAG_LINK },
{ "visited", GTK_STATE_FLAG_VISITED },
{ "checked", GTK_STATE_FLAG_CHECKED },
{ "drop(active)", GTK_STATE_FLAG_DROP_ACTIVE }
};
const char *next;
char *name;
char type;
guint i;
next = strpbrk (selector, "#.:");
if (next == NULL)
next = selector + strlen (selector);
name = g_strndup (selector, next - selector);
if (g_ascii_isupper (selector[0]))
{
GType gtype;
gtype = g_type_from_name (name);
if (gtype == G_TYPE_INVALID)
{
g_critical ("Unknown type name `%s'", name);
g_free (name);
return;
}
gtk_widget_path_append_type (path, gtype);
}
else
{
/* Omit type, we're using name */
gtk_widget_path_append_type (path, G_TYPE_NONE);
gtk_widget_path_iter_set_object_name (path, -1, name);
}
g_free (name);
while (*next != '\0')
{
type = *next;
selector = next + 1;
next = strpbrk (selector, "#.:");
if (next == NULL)
next = selector + strlen (selector);
name = g_strndup (selector, next - selector);
switch (type)
{
case '#':
gtk_widget_path_iter_set_name (path, -1, name);
break;
case '.':
gtk_widget_path_iter_add_class (path, -1, name);
break;
case ':':
for (i = 0; i < G_N_ELEMENTS (pseudo_classes); i++)
{
if (g_str_equal (pseudo_classes[i].name, name))
{
gtk_widget_path_iter_set_state (path,
-1,
gtk_widget_path_iter_get_state (path, -1)
| pseudo_classes[i].state_flag);
break;
}
}
if (i == G_N_ELEMENTS (pseudo_classes))
g_critical ("Unknown pseudo-class :%s", name);
break;
default:
g_assert_not_reached ();
break;
}
g_free (name);
}
}
static GtkStyleContext *
get_style (PathElt *pelt, GtkStyleContext *parent)
get_style (GtkStyleContext *parent,
const char *selector)
{
GtkWidgetPath *path;
GtkStyleContext *context;
......@@ -36,17 +128,13 @@ get_style (PathElt *pelt, GtkStyleContext *parent)
else
path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, pelt->type);
if (pelt->name)
gtk_widget_path_iter_set_object_name (path, -1, pelt->name);
if (pelt->class1)
gtk_widget_path_iter_add_class (path, -1, pelt->class1);
if (pelt->class2)
gtk_widget_path_iter_add_class (path, -1, pelt->class2);
append_element (path, selector);
context = gtk_style_context_new ();
gtk_style_context_set_path (context, path);
gtk_style_context_set_parent (context, parent);
/* XXX: Why is this necessary? */
gtk_style_context_set_state (context, gtk_widget_path_iter_get_state (path, -1));
gtk_widget_path_unref (path);
return context;
......@@ -67,15 +155,15 @@ draw_horizontal_scrollbar (GtkWidget *widget,
GtkStyleContext *slider_context;
/* This information is taken from the GtkScrollbar docs, see "CSS nodes" */
PathElt path[3] = {
{ GTK_TYPE_SCROLLBAR, "scrollbar", "horizontal", NULL },
{ G_TYPE_NONE, "trough", NULL, NULL },
{ G_TYPE_NONE, "slider", NULL, NULL }
const char *path[3] = {
"scrollbar.horizontal",
"trough",
"slider"
};
scrollbar_context = get_style (&path[0], NULL);
trough_context = get_style (&path[1], scrollbar_context);
slider_context = get_style (&path[2], trough_context);
scrollbar_context = get_style (NULL, path[0]);
trough_context = get_style (scrollbar_context, path[1]);
slider_context = get_style (trough_context, path[2]);
gtk_style_context_set_state (scrollbar_context, state);
gtk_style_context_set_state (trough_context, state);
......@@ -106,13 +194,13 @@ draw_text (GtkWidget *widget,
PangoLayout *layout;
/* This information is taken from the GtkLabel docs, see "CSS nodes" */
PathElt path[2] = {
{ GTK_TYPE_LABEL, "label", "view", NULL },
{ G_TYPE_NONE, "selection", NULL, NULL }
const char *path[2] = {
"label.view",
"selection"
};
label_context = get_style (&path[0], NULL);
selection_context = get_style (&path[1], label_context);
label_context = get_style (NULL, path[0]);
selection_context = get_style (label_context, path[1]);
gtk_style_context_set_state (label_context, state);
......@@ -144,13 +232,13 @@ draw_check (GtkWidget *widget,
GtkStyleContext *check_context;
/* This information is taken from the GtkCheckButton docs, see "CSS nodes" */
PathElt path[2] = {
{ GTK_TYPE_LABEL, "checkbutton", NULL, NULL },
{ G_TYPE_NONE, "check", NULL, NULL }
const char *path[2] = {
"checkbutton",
"check"
};
button_context = get_style (&path[0], NULL);
check_context = get_style (&path[1], button_context);
button_context = get_style (NULL, path[0]);
check_context = get_style (button_context, path[1]);
gtk_style_context_set_state (check_context, state);
......@@ -174,13 +262,13 @@ draw_radio (GtkWidget *widget,
GtkStyleContext *check_context;
/* This information is taken from the GtkRadioButton docs, see "CSS nodes" */
PathElt path[2] = {
{ GTK_TYPE_LABEL, "radiobutton", NULL, NULL },
{ G_TYPE_NONE, "radio", NULL, NULL }
const char *path[2] = {
"radiobutton",
"radio"
};
button_context = get_style (&path[0], NULL);
check_context = get_style (&path[1], button_context);
button_context = get_style (NULL, path[0]);
check_context = get_style (button_context, path[1]);
gtk_style_context_set_state (check_context, state);
......
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