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gtk-builder-tool: Expand the preview command

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Make the preview command parse options properly, turn the ID into
an --id=ID option, and add a --css=FILE option that allows to
specify a css file to use for previewing.

This is useful for e.g. previewing the reftest .ui files with
their corresponding .css.
This commit is contained in:
Matthias Clasen 2016-01-31 12:57:50 -05:00
parent bc882a679d
commit 073f8bc44b
2 changed files with 104 additions and 32 deletions
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22
docs/reference/gtk/gtk-builder-tool.xml
View File

@ -31,6 +31,7 @@
<cmdsynopsis>
<command>gtk-builder-tool</command>
<arg choice="opt"><replaceable>COMMAND</replaceable></arg>
<arg choice="opt" rep="repeat"><replaceable>OPTION</replaceable></arg>
<arg choice="plain"><replaceable>FILE</replaceable></arg>
</cmdsynopsis>
</refsynopsisdiv>
@ -63,9 +64,24 @@
<listitem><para>Lists all the named objects that are created in the .ui file.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>preview</option> <arg choice="opt"><replaceable>ID</replaceable></arg></term>
<listitem><para>Preview the object with the given ID. If ID is not specified,
try to find a suitable object to preview.</para></listitem>
<term><option>preview</option></term>
<listitem><para>Preview the .ui file. This command accepts options
to specify the ID of an object and a .css file to use.</para></listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1><title>Preview Options</title>
<para>The <option>preview</option> command accepts the following options:</para>
<variablelist>
<varlistentry>
<term><option>--id=<arg choice="plain">ID</arg></option></term>
<listitem><para>The ID of the object to preview. If not specified,
gtk-builder-tool will choose a suitable object on its own.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--css=<arg choice="plain">FILE</arg></option></term>
<listitem><para>Load style information from the given .css file.</para></listitem>
</varlistentry>
</variablelist>
</refsect1>

114
gtk/gtk-builder-tool.c
View File

@ -799,14 +799,31 @@ set_window_title (GtkWindow *window,
}
static void
do_preview (const char *filename,
const char *id)
preview_file (const char *filename,
const char *id,
const char *cssfile)
{
GtkBuilder *builder;
GError *error = NULL;
GObject *object;
GtkWidget *window;
if (cssfile)
{
GtkCssProvider *provider;
provider = gtk_css_provider_new ();
if (!gtk_css_provider_load_from_path (provider, cssfile, &error))
{
g_printerr ("%s\n", error->message);
exit (1);
}
gtk_style_context_add_provider_for_screen (gdk_screen_get_default (),
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
}
builder = gtk_builder_new ();
if (!gtk_builder_add_from_file (builder, filename, &error))
{
@ -885,6 +902,53 @@ do_preview (const char *filename,
g_object_unref (builder);
}
static void
do_preview (int *argc,
const char ***argv)
{
GOptionContext *context;
char *id = NULL;
char *css = NULL;
char **filenames = NULL;
const GOptionEntry entries[] = {
{ "id", 0, 0, G_OPTION_ARG_STRING, &id, NULL, NULL },
{ "css", 0, 0, G_OPTION_ARG_FILENAME, &css, NULL, NULL },
{ G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &filenames, NULL, NULL }
};
GError *error = NULL;
context = g_option_context_new (NULL);
g_option_context_set_help_enabled (context, FALSE);
g_option_context_add_main_entries (context, entries, NULL);
if (!g_option_context_parse (context, argc, (char ***)argv, &error))
{
g_printerr ("%s\n", error->message);
g_error_free (error);
exit (1);
}
g_option_context_free (context);
if (filenames == NULL)
{
g_printerr ("No .ui file specified\n");
exit (1);
}
if (g_strv_length (filenames) > 1)
{
g_printerr ("Can only preview a single .ui file\n");
exit (1);
}
preview_file (filenames[0], id, css);
g_strfreev (filenames);
g_free (id);
g_free (css);
}
static void
usage (void)
{
@ -892,17 +956,21 @@ usage (void)
" gtk-builder-tool [COMMAND] FILE\n"
"\n"
"Commands:\n"
" validate Validate the file\n"
" simplify Simplify the file\n"
" enumerate List all named objects\n"
" preview [ID] Preview the named object\n"
" validate Validate the file\n"
" simplify Simplify the file\n"
" enumerate List all named objects\n"
" preview [OPTIONS] Preview the file\n"
"\n"
"Preview Options:\n"
" --id=ID Preview only the named object\n"
" --css=FILE Use style from CSS file\n"
"\n"
"Perform various tasks on GtkBuilder .ui files.\n"));
exit (1);
}
int
main (int argc, char *argv[])
main (int argc, const char *argv[])
{
g_set_prgname ("gtk-builder-tool");
@ -916,29 +984,17 @@ main (int argc, char *argv[])
if (strcmp (argv[2], "--help") == 0)
usage ();
if (strcmp (argv[1], "validate") == 0)
do_validate (argv[2]);
else if (strcmp (argv[1], "simplify") == 0)
do_simplify (argv[2]);
else if (strcmp (argv[1], "enumerate") == 0)
do_enumerate (argv[2]);
else if (strcmp (argv[1], "preview") == 0)
{
const char *filename, *id;
argv++;
argc--;
if (argc > 3)
{
id = argv[2];
filename = argv[3];
}
else
{
id = NULL;
filename = argv[2];
}
do_preview (filename, id);
}
if (strcmp (argv[0], "validate") == 0)
do_validate (argv[1]);
else if (strcmp (argv[0], "simplify") == 0)
do_simplify (argv[1]);
else if (strcmp (argv[0], "enumerate") == 0)
do_enumerate (argv[1]);
else if (strcmp (argv[0], "preview") == 0)
do_preview (&argc, &argv);
else
usage ();