forked from AuroraMiddleware/gtk
0e2f35ed88
When values are computed, they might depend on various other values and we need to track this so we can update the values when those other values change. This is the first step in making that happen. This patch does not do any dependency tracking at all, instead it uses GTK_CSS_DEPENDS_ON_EVERYTHING as a sort of FIXME.
311 lines
10 KiB
C
311 lines
10 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2011 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gtkcssrepeatvalueprivate.h"
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#include "gtkcssnumbervalueprivate.h"
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struct _GtkCssValue {
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GTK_CSS_VALUE_BASE
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GtkCssRepeatStyle x;
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GtkCssRepeatStyle y;
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};
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static void
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gtk_css_value_repeat_free (GtkCssValue *value)
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{
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g_slice_free (GtkCssValue, value);
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}
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static GtkCssValue *
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gtk_css_value_repeat_compute (GtkCssValue *value,
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guint property_id,
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GtkStyleContext *context,
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GtkCssDependencies *dependencies)
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{
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return _gtk_css_value_ref (value);
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}
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static gboolean
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gtk_css_value_repeat_equal (const GtkCssValue *repeat1,
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const GtkCssValue *repeat2)
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{
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return repeat1->x == repeat2->x
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&& repeat1->y == repeat2->y;
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}
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static GtkCssValue *
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gtk_css_value_repeat_transition (GtkCssValue *start,
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GtkCssValue *end,
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double progress)
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{
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return NULL;
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}
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static void
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gtk_css_value_background_repeat_print (const GtkCssValue *repeat,
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GString *string)
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{
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static const char *names[] = {
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"no-repeat",
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"repeat",
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"round",
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"space"
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};
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if (repeat->x == repeat->y)
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{
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g_string_append (string, names[repeat->x]);
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}
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else if (repeat->x == GTK_CSS_REPEAT_STYLE_REPEAT &&
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repeat->y == GTK_CSS_REPEAT_STYLE_NO_REPEAT)
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{
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g_string_append (string, "repeat-x");
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}
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else if (repeat->x == GTK_CSS_REPEAT_STYLE_NO_REPEAT &&
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repeat->y == GTK_CSS_REPEAT_STYLE_REPEAT)
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{
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g_string_append (string, "repeat-y");
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}
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else
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{
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g_string_append (string, names[repeat->x]);
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g_string_append_c (string, ' ');
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g_string_append (string, names[repeat->y]);
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}
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}
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static void
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gtk_css_value_border_repeat_print (const GtkCssValue *repeat,
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GString *string)
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{
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static const char *names[] = {
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"stretch",
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"repeat",
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"round",
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"space"
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};
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g_string_append (string, names[repeat->x]);
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if (repeat->x != repeat->y)
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{
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g_string_append_c (string, ' ');
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g_string_append (string, names[repeat->y]);
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}
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}
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static const GtkCssValueClass GTK_CSS_VALUE_BACKGROUND_REPEAT = {
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gtk_css_value_repeat_free,
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gtk_css_value_repeat_compute,
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gtk_css_value_repeat_equal,
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gtk_css_value_repeat_transition,
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gtk_css_value_background_repeat_print
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};
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static const GtkCssValueClass GTK_CSS_VALUE_BORDER_REPEAT = {
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gtk_css_value_repeat_free,
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gtk_css_value_repeat_compute,
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gtk_css_value_repeat_equal,
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gtk_css_value_repeat_transition,
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gtk_css_value_border_repeat_print
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};
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/* BACKGROUND REPEAT */
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static struct {
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const char *name;
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GtkCssValue values[4];
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} background_repeat_values[4] = {
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{ "no-repeat",
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{ { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_NO_REPEAT, GTK_CSS_REPEAT_STYLE_NO_REPEAT },
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{ >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_NO_REPEAT, GTK_CSS_REPEAT_STYLE_REPEAT },
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{ >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_NO_REPEAT, GTK_CSS_REPEAT_STYLE_ROUND },
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{ >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_NO_REPEAT, GTK_CSS_REPEAT_STYLE_SPACE }
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} },
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{ "repeat",
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{ { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_REPEAT, GTK_CSS_REPEAT_STYLE_NO_REPEAT },
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{ >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_REPEAT, GTK_CSS_REPEAT_STYLE_REPEAT },
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{ >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_REPEAT, GTK_CSS_REPEAT_STYLE_ROUND },
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{ >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_REPEAT, GTK_CSS_REPEAT_STYLE_SPACE }
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} },
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{ "round",
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{ { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_ROUND, GTK_CSS_REPEAT_STYLE_NO_REPEAT },
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{ >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_ROUND, GTK_CSS_REPEAT_STYLE_REPEAT },
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{ >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_ROUND, GTK_CSS_REPEAT_STYLE_ROUND },
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{ >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_ROUND, GTK_CSS_REPEAT_STYLE_SPACE }
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} },
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{ "space",
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{ { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_SPACE, GTK_CSS_REPEAT_STYLE_NO_REPEAT },
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{ >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_SPACE, GTK_CSS_REPEAT_STYLE_REPEAT },
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{ >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_SPACE, GTK_CSS_REPEAT_STYLE_ROUND },
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{ >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_SPACE, GTK_CSS_REPEAT_STYLE_SPACE }
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} }
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};
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GtkCssValue *
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_gtk_css_background_repeat_value_new (GtkCssRepeatStyle x,
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GtkCssRepeatStyle y)
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{
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return _gtk_css_value_ref (&background_repeat_values[x].values[y]);
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}
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static gboolean
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_gtk_css_background_repeat_style_try (GtkCssParser *parser,
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GtkCssRepeatStyle *result)
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{
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guint i;
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for (i = 0; i < G_N_ELEMENTS (background_repeat_values); i++)
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{
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if (_gtk_css_parser_try (parser, background_repeat_values[i].name, TRUE))
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{
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*result = i;
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return TRUE;
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}
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}
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return FALSE;
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}
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GtkCssValue *
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_gtk_css_background_repeat_value_try_parse (GtkCssParser *parser)
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{
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GtkCssRepeatStyle x, y;
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g_return_val_if_fail (parser != NULL, NULL);
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if (_gtk_css_parser_try (parser, "repeat-x", TRUE))
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return _gtk_css_background_repeat_value_new (GTK_CSS_REPEAT_STYLE_REPEAT, GTK_CSS_REPEAT_STYLE_NO_REPEAT);
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if (_gtk_css_parser_try (parser, "repeat-y", TRUE))
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return _gtk_css_background_repeat_value_new (GTK_CSS_REPEAT_STYLE_NO_REPEAT, GTK_CSS_REPEAT_STYLE_REPEAT);
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if (!_gtk_css_background_repeat_style_try (parser, &x))
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return NULL;
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if (!_gtk_css_background_repeat_style_try (parser, &y))
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y = x;
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return _gtk_css_background_repeat_value_new (x, y);
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}
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GtkCssRepeatStyle
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_gtk_css_background_repeat_value_get_x (const GtkCssValue *repeat)
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{
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g_return_val_if_fail (repeat->class == >K_CSS_VALUE_BACKGROUND_REPEAT, GTK_CSS_REPEAT_STYLE_NO_REPEAT);
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return repeat->x;
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}
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GtkCssRepeatStyle
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_gtk_css_background_repeat_value_get_y (const GtkCssValue *repeat)
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{
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g_return_val_if_fail (repeat->class == >K_CSS_VALUE_BACKGROUND_REPEAT, GTK_CSS_REPEAT_STYLE_NO_REPEAT);
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return repeat->y;
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}
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/* BORDER IMAGE REPEAT */
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static struct {
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const char *name;
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GtkCssValue values[4];
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} border_repeat_values[4] = {
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{ "stretch",
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{ { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_STRETCH, GTK_CSS_REPEAT_STYLE_STRETCH },
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{ >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_STRETCH, GTK_CSS_REPEAT_STYLE_REPEAT },
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{ >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_STRETCH, GTK_CSS_REPEAT_STYLE_ROUND },
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{ >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_STRETCH, GTK_CSS_REPEAT_STYLE_SPACE }
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} },
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{ "repeat",
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{ { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_REPEAT, GTK_CSS_REPEAT_STYLE_STRETCH },
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{ >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_REPEAT, GTK_CSS_REPEAT_STYLE_REPEAT },
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{ >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_REPEAT, GTK_CSS_REPEAT_STYLE_ROUND },
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{ >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_REPEAT, GTK_CSS_REPEAT_STYLE_SPACE }
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} },
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{ "round",
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{ { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_ROUND, GTK_CSS_REPEAT_STYLE_STRETCH },
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{ >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_ROUND, GTK_CSS_REPEAT_STYLE_REPEAT },
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{ >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_ROUND, GTK_CSS_REPEAT_STYLE_ROUND },
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{ >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_ROUND, GTK_CSS_REPEAT_STYLE_SPACE }
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} },
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{ "space",
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{ { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_SPACE, GTK_CSS_REPEAT_STYLE_STRETCH },
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{ >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_SPACE, GTK_CSS_REPEAT_STYLE_REPEAT },
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{ >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_SPACE, GTK_CSS_REPEAT_STYLE_ROUND },
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{ >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_SPACE, GTK_CSS_REPEAT_STYLE_SPACE }
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} }
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};
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GtkCssValue *
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_gtk_css_border_repeat_value_new (GtkCssRepeatStyle x,
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GtkCssRepeatStyle y)
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{
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return _gtk_css_value_ref (&border_repeat_values[x].values[y]);
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}
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static gboolean
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_gtk_css_border_repeat_style_try (GtkCssParser *parser,
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GtkCssRepeatStyle *result)
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{
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guint i;
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for (i = 0; i < G_N_ELEMENTS (border_repeat_values); i++)
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{
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if (_gtk_css_parser_try (parser, border_repeat_values[i].name, TRUE))
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{
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*result = i;
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return TRUE;
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}
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}
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return FALSE;
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}
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GtkCssValue *
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_gtk_css_border_repeat_value_try_parse (GtkCssParser *parser)
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{
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GtkCssRepeatStyle x, y;
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g_return_val_if_fail (parser != NULL, NULL);
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if (!_gtk_css_border_repeat_style_try (parser, &x))
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return NULL;
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if (!_gtk_css_border_repeat_style_try (parser, &y))
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y = x;
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return _gtk_css_border_repeat_value_new (x, y);
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}
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GtkCssRepeatStyle
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_gtk_css_border_repeat_value_get_x (const GtkCssValue *repeat)
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{
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g_return_val_if_fail (repeat->class == >K_CSS_VALUE_BORDER_REPEAT, GTK_CSS_REPEAT_STYLE_STRETCH);
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return repeat->x;
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}
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GtkCssRepeatStyle
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_gtk_css_border_repeat_value_get_y (const GtkCssValue *repeat)
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{
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g_return_val_if_fail (repeat->class == >K_CSS_VALUE_BORDER_REPEAT, GTK_CSS_REPEAT_STYLE_STRETCH);
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return repeat->y;
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}
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