Lerking/gtk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

settings: Pull in the RC parsing code

Browse Source
This commit is contained in:
Benjamin Otte
2016-10-06 21:46:27 +02:00
parent 361d322bfb
commit 05763e4875
1 changed files with 269 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

272
gtk/gtksettings.c
View File

@@ -29,6 +29,7 @@
#include "gtkwidget.h"
#include "gtkprivate.h"
#include "gtkcssproviderprivate.h"
#include "gtkhslaprivate.h"
#include "gtkstyleproviderprivate.h"
#include "gtktypebuiltins.h"
#include "gtkversion.h"
@@ -56,8 +57,6 @@
#include "win32/gdkwin32.h"
#endif
#include "deprecated/gtkrc.h"
#ifdef GDK_WINDOWING_QUARTZ
#define PRINT_PREVIEW_COMMAND "open -a /Applications/Preview.app %f"
#else
@@ -2512,8 +2511,275 @@ gtk_settings_set_double_property (GtkSettings *settings,
g_value_unset (&svalue.value);
}
static const GScannerConfig gtk_rc_scanner_config =
{
(
" \t\r\n"
) /* cset_skip_characters */,
(
"_"
G_CSET_a_2_z
G_CSET_A_2_Z
) /* cset_identifier_first */,
(
G_CSET_DIGITS
"-_"
G_CSET_a_2_z
G_CSET_A_2_Z
) /* cset_identifier_nth */,
( "#\n" ) /* cpair_comment_single */,
TRUE /* case_sensitive */,
TRUE /* skip_comment_multi */,
TRUE /* skip_comment_single */,
TRUE /* scan_comment_multi */,
TRUE /* scan_identifier */,
FALSE /* scan_identifier_1char */,
FALSE /* scan_identifier_NULL */,
TRUE /* scan_symbols */,
TRUE /* scan_binary */,
TRUE /* scan_octal */,
TRUE /* scan_float */,
TRUE /* scan_hex */,
TRUE /* scan_hex_dollar */,
TRUE /* scan_string_sq */,
TRUE /* scan_string_dq */,
TRUE /* numbers_2_int */,
FALSE /* int_2_float */,
FALSE /* identifier_2_string */,
TRUE /* char_2_token */,
TRUE /* symbol_2_token */,
FALSE /* scope_0_fallback */,
};
static GScanner*
gtk_rc_scanner_new (void)
{
return g_scanner_new (&gtk_rc_scanner_config);
}
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
static void
color_shade (const GdkColor *color,
GdkColor *color_return,
gdouble factor)
{
GdkRGBA rgba;
GtkHSLA hsla;
rgba.red = color->red / 65535.;
rgba.green = color->green / 65535.;
rgba.blue = color->blue / 65535.;
rgba.alpha = 1.0;
_gtk_hsla_init_from_rgba (&hsla, &rgba);
_gtk_hsla_shade (&hsla, &hsla, factor);
_gdk_rgba_init_from_hsla (&rgba, &hsla);
color_return->red = 65535. * rgba.red;
color_return->green = 65535. * rgba.green;
color_return->blue = 65535. * rgba.blue;
}
/*
* gtk_parse_color:
* @scanner: a #GScanner
* @color: (out): a pointer to a #GdkColor in which to store
* the result
*
* Parses a color in the format expected
* in a RC file. If @style is not %NULL, it will be consulted to resolve
* references to symbolic colors.
*
* Returns: %G_TOKEN_NONE if parsing succeeded, otherwise the token
* that was expected but not found
*/
static guint
gtk_parse_color (GScanner *scanner,
GdkColor *color)
{
guint token;
g_return_val_if_fail (scanner != NULL, G_TOKEN_ERROR);
/* we don't need to set our own scope here, because
* we don't need own symbols
*/
token = g_scanner_get_next_token (scanner);
switch (token)
{
gint token_int;
GdkColor c1, c2;
gboolean negate;
gdouble l;
case G_TOKEN_LEFT_CURLY:
token = g_scanner_get_next_token (scanner);
if (token == G_TOKEN_INT)
token_int = scanner->value.v_int;
else if (token == G_TOKEN_FLOAT)
token_int = scanner->value.v_float * 65535.0;
else
return G_TOKEN_FLOAT;
color->red = CLAMP (token_int, 0, 65535);
token = g_scanner_get_next_token (scanner);
if (token != G_TOKEN_COMMA)
return G_TOKEN_COMMA;
token = g_scanner_get_next_token (scanner);
if (token == G_TOKEN_INT)
token_int = scanner->value.v_int;
else if (token == G_TOKEN_FLOAT)
token_int = scanner->value.v_float * 65535.0;
else
return G_TOKEN_FLOAT;
color->green = CLAMP (token_int, 0, 65535);
token = g_scanner_get_next_token (scanner);
if (token != G_TOKEN_COMMA)
return G_TOKEN_COMMA;
token = g_scanner_get_next_token (scanner);
if (token == G_TOKEN_INT)
token_int = scanner->value.v_int;
else if (token == G_TOKEN_FLOAT)
token_int = scanner->value.v_float * 65535.0;
else
return G_TOKEN_FLOAT;
color->blue = CLAMP (token_int, 0, 65535);
token = g_scanner_get_next_token (scanner);
if (token != G_TOKEN_RIGHT_CURLY)
return G_TOKEN_RIGHT_CURLY;
return G_TOKEN_NONE;
case G_TOKEN_STRING:
if (!gdk_color_parse (scanner->value.v_string, color))
{
g_scanner_warn (scanner, "Invalid color constant '%s'",
scanner->value.v_string);
return G_TOKEN_STRING;
}
return G_TOKEN_NONE;
case G_TOKEN_IDENTIFIER:
if (strcmp (scanner->value.v_identifier, "mix") == 0)
{
token = g_scanner_get_next_token (scanner);
if (token != G_TOKEN_LEFT_PAREN)
return G_TOKEN_LEFT_PAREN;
negate = FALSE;
if (g_scanner_peek_next_token (scanner) == '-')
{
g_scanner_get_next_token (scanner); /* eat sign */
negate = TRUE;
}
token = g_scanner_get_next_token (scanner);
if (token != G_TOKEN_FLOAT)
return G_TOKEN_FLOAT;
l = negate ? -scanner->value.v_float : scanner->value.v_float;
token = g_scanner_get_next_token (scanner);
if (token != G_TOKEN_COMMA)
return G_TOKEN_COMMA;
token = gtk_parse_color (scanner, &c1);
if (token != G_TOKEN_NONE)
return token;
token = g_scanner_get_next_token (scanner);
if (token != G_TOKEN_COMMA)
return G_TOKEN_COMMA;
token = gtk_parse_color (scanner, &c2);
if (token != G_TOKEN_NONE)
return token;
token = g_scanner_get_next_token (scanner);
if (token != G_TOKEN_RIGHT_PAREN)
return G_TOKEN_RIGHT_PAREN;
color->red = l * c1.red + (1.0 - l) * c2.red;
color->green = l * c1.green + (1.0 - l) * c2.green;
color->blue = l * c1.blue + (1.0 - l) * c2.blue;
return G_TOKEN_NONE;
}
else if (strcmp (scanner->value.v_identifier, "shade") == 0)
{
token = g_scanner_get_next_token (scanner);
if (token != G_TOKEN_LEFT_PAREN)
return G_TOKEN_LEFT_PAREN;
negate = FALSE;
if (g_scanner_peek_next_token (scanner) == '-')
{
g_scanner_get_next_token (scanner); /* eat sign */
negate = TRUE;
}
token = g_scanner_get_next_token (scanner);
if (token != G_TOKEN_FLOAT)
return G_TOKEN_FLOAT;
l = negate ? -scanner->value.v_float : scanner->value.v_float;
token = g_scanner_get_next_token (scanner);
if (token != G_TOKEN_COMMA)
return G_TOKEN_COMMA;
token = gtk_parse_color (scanner, &c1);
if (token != G_TOKEN_NONE)
return token;
token = g_scanner_get_next_token (scanner);
if (token != G_TOKEN_RIGHT_PAREN)
return G_TOKEN_RIGHT_PAREN;
color_shade (&c1, color, l);
return G_TOKEN_NONE;
}
else if (strcmp (scanner->value.v_identifier, "lighter") == 0 ||
strcmp (scanner->value.v_identifier, "darker") == 0)
{
if (scanner->value.v_identifier[0] == 'l')
l = 1.3;
else
l = 0.7;
token = g_scanner_get_next_token (scanner);
if (token != G_TOKEN_LEFT_PAREN)
return G_TOKEN_LEFT_PAREN;
token = gtk_parse_color (scanner, &c1);
if (token != G_TOKEN_NONE)
return token;
token = g_scanner_get_next_token (scanner);
if (token != G_TOKEN_RIGHT_PAREN)
return G_TOKEN_RIGHT_PAREN;
color_shade (&c1, color, l);
return G_TOKEN_NONE;
}
else
return G_TOKEN_IDENTIFIER;
default:
return G_TOKEN_STRING;
}
}
/**
* gtk_rc_property_parse_color:
* @pspec: a #GParamSpec
@@ -2544,7 +2810,7 @@ gtk_rc_property_parse_color (const GParamSpec *pspec,
scanner = gtk_rc_scanner_new ();
g_scanner_input_text (scanner, gstring->str, gstring->len);
if (gtk_rc_parse_color (scanner, &color) == G_TOKEN_NONE &&
if (gtk_parse_color (scanner, &color) == G_TOKEN_NONE &&
g_scanner_get_next_token (scanner) == G_TOKEN_EOF)
{
g_value_set_boxed (property_value, &color);