mirror of
https://gitlab.gnome.org/GNOME/gtk.git
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295 lines
12 KiB
C
295 lines
12 KiB
C
/*
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* Copyright (C) 2021 Red Hat Inc.
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*
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* Author:
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* Matthias Clasen <mclasen@redhat.com>
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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 Library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library 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 <gtk/gtk.h>
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#include "gtk/gtkcssvalueprivate.h"
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#include "gtk/gtkcsscolorvalueprivate.h"
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#include "gtk/gtkcssnumbervalueprivate.h"
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#include "gtk/gtkcssstylepropertyprivate.h"
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#include "gtk/gtkcssstaticstyleprivate.h"
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#include "gtk/gtkcsspalettevalueprivate.h"
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static gboolean
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color_is_near (const GdkRGBA *color1,
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const GdkRGBA *color2)
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{
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return (fabs (color1->red - color2->red) <= FLT_EPSILON &&
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fabs (color1->green - color2->green) <= FLT_EPSILON &&
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fabs (color1->blue - color2->blue) <= FLT_EPSILON &&
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fabs (color1->alpha - color2->alpha) <= FLT_EPSILON);
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}
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static gboolean
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value_is_near (int prop,
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GtkCssValue *value1,
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GtkCssValue *value2)
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{
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if (gtk_css_value_equal (value1, value2))
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return TRUE;
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switch (prop)
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{
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case GTK_CSS_PROPERTY_COLOR:
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return color_is_near (gtk_css_color_value_get_rgba (value1),
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gtk_css_color_value_get_rgba (value2));
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break;
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case GTK_CSS_PROPERTY_ICON_PALETTE:
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return value_is_near (GTK_CSS_PROPERTY_COLOR,
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gtk_css_palette_value_get_color (value1, "error"),
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gtk_css_palette_value_get_color (value2, "error")) &&
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value_is_near (GTK_CSS_PROPERTY_COLOR,
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gtk_css_palette_value_get_color (value1, "warning"),
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gtk_css_palette_value_get_color (value2, "warning")) &&
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value_is_near (GTK_CSS_PROPERTY_COLOR,
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gtk_css_palette_value_get_color (value1, "test"),
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gtk_css_palette_value_get_color (value2, "test"));
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break;
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case GTK_CSS_PROPERTY_FONT_SIZE:
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return fabs (gtk_css_number_value_get (value1, 100) -
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gtk_css_number_value_get (value2, 100)) < FLT_EPSILON;
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break;
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default:
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break;
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}
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return FALSE;
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}
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static void
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assert_css_value (int prop,
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GtkCssValue *result,
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GtkCssValue *expected)
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{
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if (result == expected)
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return;
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if (((result == NULL) != (expected == NULL)) ||
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!value_is_near (prop, result, expected))
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{
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char *r = result ? gtk_css_value_to_string (result) : g_strdup ("(nil)");
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char *e = expected ? gtk_css_value_to_string (expected) : g_strdup ("(nil)");
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g_print ("Expected %s\nGot %s\n", e, r);
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g_free (r);
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g_free (e);
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g_assert_not_reached ();
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}
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}
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/* Tests for css transitions */
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typedef struct {
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int prop;
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const char *value1;
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const char *value2;
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double progress;
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const char *value3;
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} ValueTransitionTest;
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static ValueTransitionTest tests[] = {
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{ GTK_CSS_PROPERTY_COLOR, "transparent", "rgb(255,0,0)", 0.25, "rgba(255,0,0,0.25)" },
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{ GTK_CSS_PROPERTY_COLOR, "rgb(from red r g b / 0.2)", "rgb(from rgb(255,0,0) r g b / 0.8)", 0.5, "rgba(255,0,0,0.5)" },
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{ GTK_CSS_PROPERTY_BOX_SHADOW, "none", "2px 2px 10px 4px rgb(200,200,200)", 0.5, "1px 1px 5px 2px rgba(200,200,200,0.5)" },
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{ GTK_CSS_PROPERTY_BOX_SHADOW, "2px 2px 10px 4px rgb(200,200,200)", "none", 0.5, "1px 1px 5px 2px rgba(200,200,200,0.5)" },
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{ GTK_CSS_PROPERTY_BOX_SHADOW, "2px 2px 10px 4px rgb(200,200,200), 0px 10px 8px 6px rgb(200,100,0)", "none", 0.5, "1px 1px 5px 2px rgba(200,200,200,0.5), 0px 5px 4px 3px rgba(200,100,0,0.5)" },
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{ GTK_CSS_PROPERTY_FONT_SIZE, "12px", "16px", 0.25, "13px" },
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{ GTK_CSS_PROPERTY_FONT_SIZE, "10px", "10pt", 0.5, "11.66666667px" },
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{ GTK_CSS_PROPERTY_FONT_FAMILY, "cantarell", "sans", 0, "cantarell"},
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{ GTK_CSS_PROPERTY_FONT_FAMILY, "cantarell", "sans", 1, "sans" },
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{ GTK_CSS_PROPERTY_FONT_FAMILY, "cantarell", "sans", 0.5, NULL },
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{ GTK_CSS_PROPERTY_BACKGROUND_POSITION, "20px 10px", "40px", 0.5, "30px calc(5px + 25%)" },
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{ GTK_CSS_PROPERTY_BACKGROUND_POSITION, "left, right, 50% 80%",
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"right, right, 100%",
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0.5,
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"50%, 100%, 75% 65%" },
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//TODO We don't currently transition border-image-width
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//{ GTK_CSS_PROPERTY_BORDER_IMAGE_WIDTH, "10px 20px", "0px", 0.5, "5px 10px 0.5px 0.5px" },
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{ GTK_CSS_PROPERTY_FILTER, "none", "blur(6px)", 0.5, "blur(3px)" },
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{ GTK_CSS_PROPERTY_FILTER, "none", "blur(6px),contrast(0.6)", 0.5, "blur(3px),contrast(0.3)" },
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{ GTK_CSS_PROPERTY_FILTER, "contrast(0.6)", "blur(6px)", 0.5, NULL},
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{ GTK_CSS_PROPERTY_FILTER, "blur(3px) brightness(60) contrast(0.6) grayscale(60) hue-rotate(calc(5deg + 5deg)) invert(10) opacity(60) saturate(60) sepia(10) drop-shadow(3em 10px 10px red)",
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"blur(5px) brightness(80) contrast(0.8) grayscale(80) hue-rotate(30deg) invert(30) opacity(80) saturate(80) sepia(30) drop-shadow(5em 30px 30px red)",
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0.5,
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"blur(4px) brightness(70) contrast(0.7) grayscale(70) hue-rotate(20deg) invert(20) opacity(70) saturate(70) sepia(20) drop-shadow(4em 20px 20px red)" },
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{ GTK_CSS_PROPERTY_FILTER, "brightness(100)",
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"brightness(100) contrast(0.5) grayscale(20) hue-rotate(100deg) invert(100) opacity(0.5) saturate(0.5) sepia(0.5) blur(10px) drop-shadow(2px 2px 2px red)",
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0.5,
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"brightness(100) contrast(0.75) grayscale(10) hue-rotate(50deg) invert(50) opacity(0.75) saturate(0.75) sepia(0.25) blur(5px) drop-shadow(1px 1px 1px red)" },
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{ GTK_CSS_PROPERTY_FONT_FEATURE_SETTINGS, "\"dlig\" 0, \"clig\" off, \"c2sc\" 1",
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"\"dlig\" 1, \"clig\" 0",
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0.3,
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"\"dlig\" 0, \"clig\" 0, \"c2sc\" 1" },
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{ GTK_CSS_PROPERTY_FONT_FEATURE_SETTINGS, "\"dlig\" 0, \"clig\" off, \"c2sc\" 1",
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"\"dlig\" 1, \"clig\" 0",
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0.6,
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"\"dlig\" 1, \"clig\" 0, \"c2sc\" 1" },
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{ GTK_CSS_PROPERTY_FONT_VARIATION_SETTINGS, "\"wght\" 100, \"wdth\" 75",
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"\"wght\" 400, \"slnt\" 10",
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0.5,
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"\"wght\" 250, \"wdth\" 75, \"slnt\" 10" },
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{ GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS, "0", "10px", 0.5, "5px" },
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{ GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS, "2px", "10px", 0.5, "6px" },
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{ GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS, "2px 10px", "10px", 0.5, "6px 10px" },
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{ GTK_CSS_PROPERTY_TRANSFORM, "translate(1px,2px) rotate(10deg) scale(1,1) skew(10deg,10deg) skewX(10deg) skewY(10deg)",
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"translate(3px,4px) rotate(50deg) scale(5,7) skew(20deg,30deg) skewX(20deg) skewY(30deg)",
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0.5,
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"translate(2px,3px) rotate(30deg) scale(3,4) skew(15deg,20deg) skewX(15deg) skewY(20deg)" },
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{ GTK_CSS_PROPERTY_TRANSFORM, "translate(1px,2px)",
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"translate(3px,4px) rotate(50deg) scale(5,7) skew(20deg,30deg) skewX(20deg) skewY(30deg)",
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0.5,
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"translate(2px,3px) rotate(25deg) scale(3,4) skew(10deg,15deg) skewX(10deg) skewY(15deg)" },
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{ GTK_CSS_PROPERTY_TRANSFORM, "translate(2px,3px)", "none", 0.5, "translate(1px,1.5px)" },
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{ GTK_CSS_PROPERTY_LINE_HEIGHT, "1.0", "2.0", 0.5, "1.5" },
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{ GTK_CSS_PROPERTY_LINE_HEIGHT, "10px", "20px", 0.5, "15px" },
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{ GTK_CSS_PROPERTY_LINE_HEIGHT, "100%", "200%", 0.5, "150%" },
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{ GTK_CSS_PROPERTY_BACKGROUND_SIZE, "25% 100px", "75% 200px", 0.5, "50% 150px" },
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{ GTK_CSS_PROPERTY_BACKGROUND_SIZE, "cover", "cover", 0.3, "cover" },
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{ GTK_CSS_PROPERTY_BACKGROUND_SIZE, "contain", "contain", 0.6, "contain" },
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{ GTK_CSS_PROPERTY_BACKGROUND_SIZE, "cover", "contain", 0, "cover" },
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{ GTK_CSS_PROPERTY_BACKGROUND_SIZE, "cover", "contain", 1, "contain" },
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{ GTK_CSS_PROPERTY_ICON_PALETTE, "error rgb(200,0,0), warning rgb(100,100,0), test rgb(20,30,40)",
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"warning rgb(200,0,0), error rgb(100,100,0), test rgb(30,40,50)",
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0.5,
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"error rgb(150,50,0), test rgb(25,35,45), warning rgb(150,50,0)" },
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};
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static void
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error_cb (GtkCssParser *parser,
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const GtkCssLocation *start,
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const GtkCssLocation *end,
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const GError *error,
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gpointer user_data)
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{
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*(GError **)user_data = g_error_copy (error);
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}
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static GtkCssValue *
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value_from_string (GtkStyleProperty *prop,
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const char *str)
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{
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GBytes *bytes;
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GtkCssParser *parser;
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GtkCssValue *value;
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GError *error = NULL;
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bytes = g_bytes_new_static (str, strlen (str));
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parser = gtk_css_parser_new_for_bytes (bytes, NULL, error_cb, &error, NULL);
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value = _gtk_style_property_parse_value (prop, parser);
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g_assert_no_error (error);
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gtk_css_parser_unref (parser);
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g_bytes_unref (bytes);
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return value;
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}
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static void
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test_transition (gconstpointer data)
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{
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ValueTransitionTest *test = &tests[GPOINTER_TO_INT (data)];
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GtkStyleProperty *prop;
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GtkCssValue *value1;
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GtkCssValue *value2;
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GtkCssValue *value3;
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GtkCssValue *computed1;
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GtkCssValue *computed2;
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GtkCssValue *computed3;
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GtkCssValue *result;
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GtkStyleProvider *provider;
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GtkCssStyle *style;
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GtkCssComputeContext context = { NULL, };
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provider = GTK_STYLE_PROVIDER (gtk_settings_get_default ());
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style = gtk_css_static_style_get_default ();
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context.provider = provider;
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context.style = style;
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prop = (GtkStyleProperty *)_gtk_css_style_property_lookup_by_id (test->prop);
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value1 = value_from_string (prop, test->value1);
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g_assert_nonnull (value1);
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computed1 = gtk_css_value_compute (value1, test->prop, &context);
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value2 = value_from_string (prop, test->value2);
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g_assert_nonnull (value2);
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computed2 = gtk_css_value_compute (value2, test->prop, &context);
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if (test->value3)
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{
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value3 = value_from_string (prop, test->value3);
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computed3 = gtk_css_value_compute (value3, test->prop, &context);
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}
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else
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{
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value3 = computed3 = NULL;
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}
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result = gtk_css_value_transition (computed1, computed2, test->prop, test->progress);
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assert_css_value (test->prop, result, computed3);
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gtk_css_value_unref (value1);
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gtk_css_value_unref (value2);
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if (value3)
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gtk_css_value_unref (value3);
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gtk_css_value_unref (computed1);
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gtk_css_value_unref (computed2);
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if (computed3)
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gtk_css_value_unref (computed3);
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gtk_css_value_unref (result);
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}
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int
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main (int argc, char **argv)
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{
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GtkStyleProperty *previous;
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int j;
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gtk_test_init (&argc, &argv);
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previous = NULL;
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j = 0;
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for (int i = 0; i < G_N_ELEMENTS (tests); i++)
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{
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ValueTransitionTest *test = &tests[i];
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GtkStyleProperty *prop;
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char *path;
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prop = (GtkStyleProperty *)_gtk_css_style_property_lookup_by_id (test->prop);
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if (prop != previous)
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{
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previous = prop;
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j = 0;
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}
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else
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j++;
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path = g_strdup_printf ("/css/value/transition/%s/%d", _gtk_style_property_get_name ((GtkStyleProperty *)prop), j);
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g_test_add_data_func (path, GINT_TO_POINTER (i), test_transition);
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g_free (path);
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}
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return g_test_run ();
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}
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