mutter/src/theme-viewer.c

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/* Metacity theme viewer and test app main() */
/*
* Copyright (C) 2002 Havoc Pennington
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include <config.h>
#include "util.h"
#include "theme.h"
#include "theme-parser.h"
#include "inlinepixbufs.h"
#include <gtk/gtk.h>
#include <time.h>
#include <stdlib.h>
static int client_width = 200;
static int client_height = 200;
static MetaTheme *global_theme = NULL;
static void run_position_expression_tests (void);
static void run_position_expression_timings (void);
static MetaFrameFlags
get_flags (GtkWidget *widget)
{
return META_FRAME_ALLOWS_DELETE |
META_FRAME_ALLOWS_MENU |
META_FRAME_ALLOWS_MINIMIZE |
META_FRAME_ALLOWS_MAXIMIZE |
META_FRAME_ALLOWS_VERTICAL_RESIZE |
META_FRAME_ALLOWS_HORIZONTAL_RESIZE |
META_FRAME_HAS_FOCUS |
META_FRAME_ALLOWS_SHADE |
META_FRAME_ALLOWS_MOVE;
}
static int
get_text_height (GtkWidget *widget)
{
return meta_gtk_widget_get_text_height (widget);
}
static PangoLayout*
create_title_layout (GtkWidget *widget)
{
PangoLayout *layout;
layout = gtk_widget_create_pango_layout (widget, "Window Title Goes Here");
return layout;
}
#ifdef HAVE_GDK_PIXBUF_NEW_FROM_STREAM
#define gdk_pixbuf_new_from_inline gdk_pixbuf_new_from_stream
#endif
static GdkPixbuf*
get_icon (void)
{
static GdkPixbuf *default_icon = NULL;
if (default_icon == NULL)
{
GdkPixbuf *base;
base = gdk_pixbuf_new_from_inline (-1, default_icon_data,
FALSE,
NULL);
g_assert (base);
default_icon = gdk_pixbuf_scale_simple (base,
META_ICON_WIDTH,
META_ICON_HEIGHT,
GDK_INTERP_BILINEAR);
g_object_unref (G_OBJECT (base));
}
return default_icon;
}
static GdkPixbuf*
get_mini_icon (void)
{
static GdkPixbuf *default_icon = NULL;
if (default_icon == NULL)
{
GdkPixbuf *base;
base = gdk_pixbuf_new_from_inline (-1, default_icon_data,
FALSE,
NULL);
g_assert (base);
default_icon = gdk_pixbuf_scale_simple (base,
META_MINI_ICON_WIDTH,
META_MINI_ICON_HEIGHT,
GDK_INTERP_BILINEAR);
g_object_unref (G_OBJECT (base));
}
return default_icon;
}
static void
set_widget_to_frame_size (GtkWidget *widget)
{
int top_height, bottom_height, left_width, right_width;
meta_theme_get_frame_borders (global_theme,
META_FRAME_TYPE_NORMAL,
get_text_height (widget),
get_flags (widget),
&top_height,
&bottom_height,
&left_width,
&right_width);
gtk_widget_set_size_request (widget,
client_width + left_width + right_width,
client_height + top_height + bottom_height);
}
static gboolean
expose_handler (GtkWidget *widget,
GdkEventExpose *event,
gpointer data)
{
MetaButtonState button_states[META_BUTTON_TYPE_LAST] =
{
META_BUTTON_STATE_NORMAL,
META_BUTTON_STATE_NORMAL,
META_BUTTON_STATE_NORMAL,
META_BUTTON_STATE_NORMAL
};
int top_height, bottom_height, left_width, right_width;
PangoLayout *layout;
layout = create_title_layout (widget);
meta_theme_get_frame_borders (global_theme,
META_FRAME_TYPE_NORMAL,
get_text_height (widget),
get_flags (widget),
&top_height,
&bottom_height,
&left_width,
&right_width);
meta_theme_draw_frame (global_theme,
widget,
widget->window,
&event->area,
0, 0,
META_FRAME_TYPE_NORMAL,
get_flags (widget),
client_width, client_height,
layout,
get_text_height (widget),
button_states,
get_mini_icon (),
get_icon ());
/* Draw the "client" */
gdk_draw_rectangle (widget->window,
widget->style->white_gc,
TRUE,
left_width, top_height,
client_width, client_height);
g_object_unref (G_OBJECT (layout));
return TRUE;
}
int
main (int argc, char **argv)
{
GtkWidget *window;
GtkWidget *layout;
GtkWidget *sw;
GtkWidget *da;
GdkColor desktop_color;
GError *err;
clock_t start, end;
bindtextdomain (GETTEXT_PACKAGE, METACITY_LOCALEDIR);
run_position_expression_tests ();
#if 0
run_position_expression_timings ();
#endif
gtk_init (&argc, &argv);
start = clock ();
err = NULL;
if (argc == 1)
global_theme = meta_theme_load ("Default", &err);
else if (argc == 2)
global_theme = meta_theme_load (argv[1], &err);
else
{
g_printerr ("Usage: metacity-theme-viewer [THEMENAME]\n");
exit (1);
}
end = clock ();
if (global_theme == NULL)
{
g_printerr ("Error loading theme: %s\n",
err->message);
g_error_free (err);
exit (1);
}
g_print ("Loaded theme \"%s\" in %g seconds\n",
global_theme->name,
(end - start) / (double) CLOCKS_PER_SEC);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size (GTK_WINDOW (window), 270, 270);
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_container_add (GTK_CONTAINER (window), sw);
layout = gtk_layout_new (NULL, NULL);
gtk_layout_set_size (GTK_LAYOUT (layout), 250, 250);
gtk_container_add (GTK_CONTAINER (sw), layout);
g_signal_connect (G_OBJECT (window), "destroy",
G_CALLBACK (gtk_main_quit), NULL);
desktop_color.red = 0x5144;
desktop_color.green = 0x75D6;
desktop_color.blue = 0xA699;
gtk_widget_modify_bg (layout, GTK_STATE_NORMAL, &desktop_color);
da = gtk_drawing_area_new ();
g_signal_connect (G_OBJECT (da), "expose_event",
G_CALLBACK (expose_handler), NULL);
gtk_layout_put (GTK_LAYOUT (layout),
da,
5, 5);
gtk_widget_realize (da);
set_widget_to_frame_size (da);
gtk_widget_show_all (window);
gtk_main ();
return 0;
}
typedef struct
{
GdkRectangle rect;
const char *expr;
int expected_x;
int expected_y;
MetaThemeError expected_error;
} PositionExpressionTest;
#define NO_ERROR -1
static const PositionExpressionTest position_expression_tests[] = {
/* Just numbers */
{ { 10, 20, 40, 50 },
"10", 20, 30, NO_ERROR },
{ { 10, 20, 40, 50 },
"14.37", 24, 34, NO_ERROR },
/* Binary expressions with 2 ints */
{ { 10, 20, 40, 50 },
"14 * 10", 150, 160, NO_ERROR },
{ { 10, 20, 40, 50 },
"14 + 10", 34, 44, NO_ERROR },
{ { 10, 20, 40, 50 },
"14 - 10", 14, 24, NO_ERROR },
{ { 10, 20, 40, 50 },
"8 / 2", 14, 24, NO_ERROR },
{ { 10, 20, 40, 50 },
"8 % 3", 12, 22, NO_ERROR },
/* Binary expressions with floats and mixed float/ints */
{ { 10, 20, 40, 50 },
"7.0 / 3.5", 12, 22, NO_ERROR },
{ { 10, 20, 40, 50 },
"12.1 / 3", 14, 24, NO_ERROR },
{ { 10, 20, 40, 50 },
"12 / 2.95", 14, 24, NO_ERROR },
/* Binary expressions without whitespace after first number */
{ { 10, 20, 40, 50 },
"14* 10", 150, 160, NO_ERROR },
{ { 10, 20, 40, 50 },
"14+ 10", 34, 44, NO_ERROR },
{ { 10, 20, 40, 50 },
"14- 10", 14, 24, NO_ERROR },
{ { 10, 20, 40, 50 },
"8/ 2", 14, 24, NO_ERROR },
{ { 10, 20, 40, 50 },
"7.0/ 3.5", 12, 22, NO_ERROR },
{ { 10, 20, 40, 50 },
"12.1/ 3", 14, 24, NO_ERROR },
{ { 10, 20, 40, 50 },
"12/ 2.95", 14, 24, NO_ERROR },
/* Binary expressions without whitespace before second number */
{ { 10, 20, 40, 50 },
"14 *10", 150, 160, NO_ERROR },
{ { 10, 20, 40, 50 },
"14 +10", 34, 44, NO_ERROR },
{ { 10, 20, 40, 50 },
"14 -10", 14, 24, NO_ERROR },
{ { 10, 20, 40, 50 },
"8 /2", 14, 24, NO_ERROR },
{ { 10, 20, 40, 50 },
"7.0 /3.5", 12, 22, NO_ERROR },
{ { 10, 20, 40, 50 },
"12.1 /3", 14, 24, NO_ERROR },
{ { 10, 20, 40, 50 },
"12 /2.95", 14, 24, NO_ERROR },
/* Binary expressions without any whitespace */
{ { 10, 20, 40, 50 },
"14*10", 150, 160, NO_ERROR },
{ { 10, 20, 40, 50 },
"14+10", 34, 44, NO_ERROR },
{ { 10, 20, 40, 50 },
"14-10", 14, 24, NO_ERROR },
{ { 10, 20, 40, 50 },
"8/2", 14, 24, NO_ERROR },
{ { 10, 20, 40, 50 },
"7.0/3.5", 12, 22, NO_ERROR },
{ { 10, 20, 40, 50 },
"12.1/3", 14, 24, NO_ERROR },
{ { 10, 20, 40, 50 },
"12/2.95", 14, 24, NO_ERROR },
/* Binary expressions with parentheses */
{ { 10, 20, 40, 50 },
"(14) * (10)", 150, 160, NO_ERROR },
{ { 10, 20, 40, 50 },
"(14) + (10)", 34, 44, NO_ERROR },
{ { 10, 20, 40, 50 },
"(14) - (10)", 14, 24, NO_ERROR },
{ { 10, 20, 40, 50 },
"(8) / (2)", 14, 24, NO_ERROR },
{ { 10, 20, 40, 50 },
"(7.0) / (3.5)", 12, 22, NO_ERROR },
{ { 10, 20, 40, 50 },
"(12.1) / (3)", 14, 24, NO_ERROR },
{ { 10, 20, 40, 50 },
"(12) / (2.95)", 14, 24, NO_ERROR },
/* Lots of extra parentheses */
{ { 10, 20, 40, 50 },
"(((14)) * ((10)))", 150, 160, NO_ERROR },
{ { 10, 20, 40, 50 },
"((((14)))) + ((((((((10))))))))", 34, 44, NO_ERROR },
{ { 10, 20, 40, 50 },
"((((((((((14 - 10))))))))))", 14, 24, NO_ERROR },
/* Binary expressions with variables */
{ { 10, 20, 40, 50 },
"2 * width", 90, 100, NO_ERROR },
{ { 10, 20, 40, 50 },
"2 * height", 110, 120, NO_ERROR },
{ { 10, 20, 40, 50 },
"width - 10", 40, 50, NO_ERROR },
{ { 10, 20, 40, 50 },
"height / 2", 35, 45, NO_ERROR },
/* More than two operands */
{ { 10, 20, 40, 50 },
"8 / 2 + 5", 19, 29, NO_ERROR },
{ { 10, 20, 40, 50 },
"8 * 2 + 5", 31, 41, NO_ERROR },
{ { 10, 20, 40, 50 },
"8 + 2 * 5", 28, 38, NO_ERROR },
{ { 10, 20, 40, 50 },
"8 + 8 / 2", 22, 32, NO_ERROR },
{ { 10, 20, 40, 50 },
"14 / (2 + 5)", 12, 22, NO_ERROR },
{ { 10, 20, 40, 50 },
"8 * (2 + 5)", 66, 76, NO_ERROR },
{ { 10, 20, 40, 50 },
"(8 + 2) * 5", 60, 70, NO_ERROR },
{ { 10, 20, 40, 50 },
"(8 + 8) / 2", 18, 28, NO_ERROR },
/* Errors */
{ { 10, 20, 40, 50 },
"2 * foo", 0, 0, META_THEME_ERROR_UNKNOWN_VARIABLE },
{ { 10, 20, 40, 50 },
"2 *", 0, 0, META_THEME_ERROR_FAILED },
{ { 10, 20, 40, 50 },
"- width", 0, 0, META_THEME_ERROR_FAILED },
{ { 10, 20, 40, 50 },
"5 % 1.0", 0, 0, META_THEME_ERROR_MOD_ON_FLOAT },
{ { 10, 20, 40, 50 },
"1.0 % 5", 0, 0, META_THEME_ERROR_MOD_ON_FLOAT },
{ { 10, 20, 40, 50 },
"! * 2", 0, 0, META_THEME_ERROR_BAD_CHARACTER },
{ { 10, 20, 40, 50 },
" ", 0, 0, META_THEME_ERROR_FAILED },
{ { 10, 20, 40, 50 },
"() () (( ) ()) ((()))", 0, 0, META_THEME_ERROR_FAILED },
{ { 10, 20, 40, 50 },
"(*) () ((/) ()) ((()))", 0, 0, META_THEME_ERROR_FAILED },
{ { 10, 20, 40, 50 },
"2 * 5 /", 0, 0, META_THEME_ERROR_FAILED },
{ { 10, 20, 40, 50 },
"+ 2 * 5", 0, 0, META_THEME_ERROR_FAILED },
{ { 10, 20, 40, 50 },
"+ 2 * 5", 0, 0, META_THEME_ERROR_FAILED }
};
static void
run_position_expression_tests (void)
{
int i;
MetaPositionExprEnv env;
i = 0;
while (i < (int) G_N_ELEMENTS (position_expression_tests))
{
GError *err;
gboolean retval;
const PositionExpressionTest *test;
int x, y;
test = &position_expression_tests[i];
if (g_getenv ("META_PRINT_TESTS") != NULL)
g_print ("Test expression: \"%s\" expecting x = %d y = %d",
test->expr, test->expected_x, test->expected_y);
err = NULL;
env.x = test->rect.x;
env.y = test->rect.y;
env.width = test->rect.width;
env.height = test->rect.height;
env.object_width = -1;
env.object_height = -1;
env.left_width = 0;
env.right_width = 0;
env.top_height = 0;
env.bottom_height = 0;
env.title_width = 5;
env.title_height = 5;
env.icon_width = 32;
env.icon_height = 32;
env.mini_icon_width = 16;
env.mini_icon_height = 16;
env.theme = NULL;
retval = meta_parse_position_expression (test->expr,
&env,
&x, &y,
&err);
if (retval && err)
g_error ("position expression test returned TRUE but set error");
if (!retval && err == NULL)
g_error ("position expression test returned FALSE but didn't set error");
if (((int) test->expected_error) != NO_ERROR)
{
if (err == NULL)
g_error ("Error was expected but none given");
if (err->code != (int) test->expected_error)
g_error ("Error %d was expected but %d given",
test->expected_error, err->code);
}
else
{
if (err)
g_error ("Error not expected but one was returned: %s",
err->message);
if (x != test->expected_x)
g_error ("x value was %d, %d was expected", x, test->expected_x);
if (y != test->expected_y)
g_error ("y value was %d, %d was expected", y, test->expected_y);
}
if (err)
g_error_free (err);
++i;
}
}
static void
run_position_expression_timings (void)
{
int i;
int iters;
clock_t start;
clock_t end;
MetaPositionExprEnv env;
#define ITERATIONS 100000
start = clock ();
iters = 0;
i = 0;
while (iters < ITERATIONS)
{
const PositionExpressionTest *test;
int x, y;
test = &position_expression_tests[i];
env.x = test->rect.x;
env.y = test->rect.y;
env.width = test->rect.width;
env.height = test->rect.height;
env.object_width = -1;
env.object_height = -1;
env.left_width = 0;
env.right_width = 0;
env.top_height = 0;
env.bottom_height = 0;
env.title_width = 5;
env.title_height = 5;
env.icon_width = 32;
env.icon_height = 32;
env.mini_icon_width = 16;
env.mini_icon_height = 16;
env.theme = NULL;
meta_parse_position_expression (test->expr,
&env,
&x, &y, NULL);
++iters;
++i;
if (i == G_N_ELEMENTS (position_expression_tests))
i = 0;
}
end = clock ();
g_print ("%d coordinate expressions parsed in %g seconds (%g seconds average)\n",
ITERATIONS,
((double)end - (double)start) / CLOCKS_PER_SEC,
((double)end - (double)start) / CLOCKS_PER_SEC / (double) ITERATIONS);
}