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styleproperty: turn border-image into a shorthand property
It's composed by - border-image-source: a cairo_pattern_t holding an image from file or a gradient - border-image-slice: a GtkBorder containing the slice offsets to apply on the image - border-image-repeat: a GtkRepeatType for the image We deviate from pure CSS3 in the following ways: * border-image-width is assumed to be always 1, i.e. always equal to what's specified by border-width. I don't think it's a particularly useful property to have, but we could add it later if needed. * border-image-outset is absent, as we can't render outside of the allocation yet. https://bugzilla.gnome.org/show_bug.cgi?id=651194
This commit is contained in:
Cosimo Cecchi
Benjamin Otte
parent
9976530fe0
commit
e3dd437b67
@ -32,6 +32,7 @@
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#include "gtkgradient.h"
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#include "gtkshadowprivate.h"
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#include "gtkcsstypesprivate.h"
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#include "gtkborderimageprivate.h"
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#include "gtkstylepropertyprivate.h"
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#include "gtkintl.h"
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@ -35,7 +35,7 @@
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/* the actual parsers we have */
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#include "gtkanimationdescription.h"
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#include "gtkbindings.h"
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#include "gtk9slice.h"
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#include "gtkborderimageprivate.h"
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#include "gtkgradient.h"
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#include "gtkshadowprivate.h"
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#include "gtkthemingengine.h"
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@ -948,71 +948,137 @@ shadow_value_print (const GValue *value,
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_gtk_shadow_print (shadow, string);
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}
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static gboolean
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slice_value_parse (GtkCssParser *parser,
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GFile *base,
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GValue *value)
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static gboolean
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border_image_repeat_value_parse (GtkCssParser *parser,
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GFile *file,
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GValue *value)
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{
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gdouble distance_top, distance_bottom;
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gdouble distance_left, distance_right;
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GtkSliceSideModifier mods[2];
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GdkPixbuf *pixbuf;
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Gtk9Slice *slice;
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GFile *file;
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GError *error = NULL;
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GtkBorderImageRepeat image_repeat;
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GtkRepeatStyle styles[2];
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gint i;
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char *path;
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/* Parse image url */
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file = gtk_css_parse_url (parser, base);
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if (!file)
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return FALSE;
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if (!_gtk_css_parser_try_double (parser, &distance_top) ||
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!_gtk_css_parser_try_double (parser, &distance_right) ||
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!_gtk_css_parser_try_double (parser, &distance_bottom) ||
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!_gtk_css_parser_try_double (parser, &distance_left))
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{
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_gtk_css_parser_error (parser, "Expected a number");
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g_object_unref (file);
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return FALSE;
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}
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for (i = 0; i < 2; i++)
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{
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if (_gtk_css_parser_try (parser, "stretch", TRUE))
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mods[i] = GTK_SLICE_STRETCH;
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styles[i] = GTK_REPEAT_STYLE_NONE;
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else if (_gtk_css_parser_try (parser, "repeat", TRUE))
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mods[i] = GTK_SLICE_REPEAT;
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styles[i] = GTK_REPEAT_STYLE_REPEAT;
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else if (_gtk_css_parser_try (parser, "round", TRUE))
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styles[i] = GTK_REPEAT_STYLE_ROUND;
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else if (_gtk_css_parser_try (parser, "space", TRUE))
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styles[i] = GTK_REPEAT_STYLE_SPACE;
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else if (i == 0)
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{
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mods[1] = mods[0] = GTK_SLICE_STRETCH;
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styles[1] = styles[0] = GTK_REPEAT_STYLE_NONE;
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break;
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}
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else
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mods[i] = mods[0];
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styles[i] = styles[0];
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}
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path = g_file_get_path (file);
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g_object_unref (file);
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pixbuf = gdk_pixbuf_new_from_file (path, &error);
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g_free (path);
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if (!pixbuf)
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{
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_gtk_css_parser_take_error (parser, error);
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return FALSE;
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}
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image_repeat.vrepeat = styles[0];
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image_repeat.hrepeat = styles[1];
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slice = _gtk_9slice_new (pixbuf,
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distance_top, distance_bottom,
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distance_left, distance_right,
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mods[0], mods[1]);
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g_object_unref (pixbuf);
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g_value_set_boxed (value, &image_repeat);
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g_value_take_boxed (value, slice);
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return TRUE;
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}
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static const gchar *
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border_image_repeat_style_to_string (GtkRepeatStyle repeat)
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{
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switch (repeat)
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{
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case GTK_REPEAT_STYLE_NONE:
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return "stretch";
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case GTK_REPEAT_STYLE_REPEAT:
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return "repeat";
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case GTK_REPEAT_STYLE_ROUND:
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return "round";
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case GTK_REPEAT_STYLE_SPACE:
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return "space";
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default:
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return NULL;
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}
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}
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static void
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border_image_repeat_value_print (const GValue *value,
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GString *string)
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{
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GtkBorderImageRepeat *image_repeat;
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image_repeat = g_value_get_boxed (value);
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g_string_append_printf (string, "%s %s",
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border_image_repeat_style_to_string (image_repeat->vrepeat),
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border_image_repeat_style_to_string (image_repeat->hrepeat));
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}
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static gboolean
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border_image_value_parse (GtkCssParser *parser,
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GFile *base,
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GValue *value)
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{
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GValue temp = { 0, };
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cairo_pattern_t *pattern = NULL;
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GtkGradient *gradient = NULL;
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GtkBorder border, *parsed_border;
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GtkBorderImageRepeat repeat, *parsed_repeat;
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gboolean retval = FALSE;
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GtkBorderImage *image = NULL;
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g_value_init (&temp, CAIRO_GOBJECT_TYPE_PATTERN);
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if (!pattern_value_parse (parser, base, &temp))
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return FALSE;
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if (G_VALUE_TYPE (&temp) == GTK_TYPE_GRADIENT)
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gradient = g_value_dup_boxed (&temp);
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else
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pattern = g_value_dup_boxed (&temp);
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g_value_unset (&temp);
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g_value_init (&temp, GTK_TYPE_BORDER);
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if (!border_value_parse (parser, base, &temp))
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goto out;
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parsed_border = g_value_get_boxed (&temp);
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border = *parsed_border;
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g_value_unset (&temp);
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g_value_init (&temp, GTK_TYPE_BORDER_IMAGE_REPEAT);
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if (!border_image_repeat_value_parse (parser, base, &temp))
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goto out;
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parsed_repeat = g_value_get_boxed (&temp);
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repeat = *parsed_repeat;
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g_value_unset (&temp);
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if (gradient != NULL)
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image = _gtk_border_image_new_for_gradient (gradient, &border, &repeat);
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else if (pattern != NULL)
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image = _gtk_border_image_new (pattern, &border, &repeat);
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if (image != NULL)
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{
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retval = TRUE;
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g_value_take_boxed (value, image);
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}
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out:
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if (pattern != NULL)
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cairo_pattern_destroy (pattern);
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if (gradient != NULL)
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gtk_gradient_unref (gradient);
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return retval;
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}
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static gboolean
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enum_value_parse (GtkCssParser *parser,
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GFile *base,
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@ -1625,9 +1691,12 @@ css_string_funcs_init (void)
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register_conversion_function (CAIRO_GOBJECT_TYPE_PATTERN,
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pattern_value_parse,
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NULL);
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register_conversion_function (GTK_TYPE_9SLICE,
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slice_value_parse,
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register_conversion_function (GTK_TYPE_BORDER_IMAGE,
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border_image_value_parse,
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NULL);
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register_conversion_function (GTK_TYPE_BORDER_IMAGE_REPEAT,
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border_image_repeat_value_parse,
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border_image_repeat_value_print);
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register_conversion_function (GTK_TYPE_SHADOW,
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shadow_value_parse,
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shadow_value_print);
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@ -1846,6 +1915,29 @@ resolve_shadow (GtkStyleProperties *props,
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return TRUE;
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}
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static gboolean
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resolve_border_image (GtkStyleProperties *props,
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GValue *value)
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{
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GtkBorderImage *resolved, *base;
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base = g_value_get_boxed (value);
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if (base == NULL)
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return FALSE;
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if (_gtk_border_image_get_resolved (base))
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return TRUE;
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resolved = _gtk_border_image_resolve (base, props);
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if (resolved == NULL)
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return FALSE;
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g_value_take_boxed (value, resolved);
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return TRUE;
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}
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void
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_gtk_style_property_resolve (const GtkStyleProperty *property,
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GtkStyleProperties *props,
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@ -1878,6 +1970,11 @@ _gtk_style_property_resolve (const GtkStyleProperty *property,
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if (!resolve_shadow (props, val))
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_gtk_style_property_resolve (property, props, val);
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}
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else if (G_VALUE_TYPE (val) == GTK_TYPE_BORDER_IMAGE)
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{
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if (!resolve_border_image (props, val))
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_gtk_style_property_resolve (property, props, val);
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}
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}
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gboolean
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@ -2136,10 +2233,31 @@ gtk_style_property_init (void)
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"Background Image",
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CAIRO_GOBJECT_TYPE_PATTERN, 0));
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gtk_style_properties_register_property (NULL,
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g_param_spec_boxed ("border-image",
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g_param_spec_boxed ("border-image-source",
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"Border image source",
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"Border image source",
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CAIRO_GOBJECT_TYPE_PATTERN, 0));
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gtk_style_properties_register_property (NULL,
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g_param_spec_boxed ("border-image-repeat",
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"Border image repeat",
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"Border image repeat",
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GTK_TYPE_BORDER_IMAGE_REPEAT, 0));
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gtk_style_properties_register_property (NULL,
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g_param_spec_boxed ("border-image-slice",
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"Border image slice",
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"Border image slice",
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GTK_TYPE_BORDER, 0));
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_gtk_style_property_register (g_param_spec_boxed ("border-image",
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"Border Image",
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"Border Image",
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GTK_TYPE_9SLICE, 0));
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GTK_TYPE_BORDER_IMAGE, 0),
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0,
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NULL,
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_gtk_border_image_unpack,
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_gtk_border_image_pack,
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NULL,
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NULL,
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NULL);
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gtk_style_properties_register_property (NULL,
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g_param_spec_object ("engine",
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"Theming Engine",
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