forked from AuroraMiddleware/gtk
229 lines
7.3 KiB
C
229 lines
7.3 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2011 Benjamin Otte <otte@gnome.org>
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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 "gtkcsstypesprivate.h"
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#include "gtkcssnumbervalueprivate.h"
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#include "gtkstylecontextprivate.h"
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cairo_operator_t
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_gtk_css_blend_mode_get_operator (GskBlendMode mode)
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{
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switch (mode)
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{
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case GSK_BLEND_MODE_COLOR:
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return CAIRO_OPERATOR_HSL_COLOR;
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case GSK_BLEND_MODE_COLOR_BURN:
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return CAIRO_OPERATOR_COLOR_BURN;
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case GSK_BLEND_MODE_COLOR_DODGE:
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return CAIRO_OPERATOR_COLOR_DODGE;
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case GSK_BLEND_MODE_DARKEN:
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return CAIRO_OPERATOR_DARKEN;
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case GSK_BLEND_MODE_DIFFERENCE:
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return CAIRO_OPERATOR_DIFFERENCE;
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case GSK_BLEND_MODE_EXCLUSION:
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return CAIRO_OPERATOR_EXCLUSION;
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case GSK_BLEND_MODE_HARD_LIGHT:
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return CAIRO_OPERATOR_HARD_LIGHT;
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case GSK_BLEND_MODE_HUE:
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return CAIRO_OPERATOR_HSL_HUE;
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case GSK_BLEND_MODE_LIGHTEN:
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return CAIRO_OPERATOR_LIGHTEN;
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case GSK_BLEND_MODE_LUMINOSITY:
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return CAIRO_OPERATOR_HSL_LUMINOSITY;
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case GSK_BLEND_MODE_MULTIPLY:
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return CAIRO_OPERATOR_MULTIPLY;
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case GSK_BLEND_MODE_OVERLAY:
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return CAIRO_OPERATOR_OVERLAY;
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case GSK_BLEND_MODE_SATURATION:
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return CAIRO_OPERATOR_HSL_SATURATION;
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case GSK_BLEND_MODE_SCREEN:
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return CAIRO_OPERATOR_SCREEN;
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case GSK_BLEND_MODE_DEFAULT:
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default:
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return CAIRO_OPERATOR_OVER;
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}
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}
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GtkCssChange
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_gtk_css_change_for_sibling (GtkCssChange match)
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{
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#define BASE_STATES ( GTK_CSS_CHANGE_CLASS \
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| GTK_CSS_CHANGE_NAME \
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| GTK_CSS_CHANGE_ID \
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| GTK_CSS_CHANGE_FIRST_CHILD \
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| GTK_CSS_CHANGE_LAST_CHILD \
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| GTK_CSS_CHANGE_NTH_CHILD \
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| GTK_CSS_CHANGE_NTH_LAST_CHILD \
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| GTK_CSS_CHANGE_STATE )
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#define KEEP_STATES ( ~(BASE_STATES|GTK_CSS_CHANGE_SOURCE|GTK_CSS_CHANGE_PARENT_STYLE) \
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| GTK_CSS_CHANGE_NTH_CHILD \
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| GTK_CSS_CHANGE_NTH_LAST_CHILD)
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#define SIBLING_SHIFT 8
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return (match & KEEP_STATES) | ((match & BASE_STATES) << SIBLING_SHIFT);
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#undef BASE_STATES
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#undef KEEP_STATES
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#undef SIBLING_SHIFT
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}
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GtkCssChange
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_gtk_css_change_for_child (GtkCssChange match)
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{
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#define BASE_STATES ( GTK_CSS_CHANGE_CLASS \
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| GTK_CSS_CHANGE_NAME \
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| GTK_CSS_CHANGE_ID \
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| GTK_CSS_CHANGE_FIRST_CHILD \
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| GTK_CSS_CHANGE_LAST_CHILD \
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| GTK_CSS_CHANGE_NTH_CHILD \
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| GTK_CSS_CHANGE_NTH_LAST_CHILD \
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| GTK_CSS_CHANGE_STATE \
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| GTK_CSS_CHANGE_SIBLING_CLASS \
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| GTK_CSS_CHANGE_SIBLING_NAME \
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| GTK_CSS_CHANGE_SIBLING_ID \
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| GTK_CSS_CHANGE_SIBLING_FIRST_CHILD \
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| GTK_CSS_CHANGE_SIBLING_LAST_CHILD \
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| GTK_CSS_CHANGE_SIBLING_NTH_CHILD \
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| GTK_CSS_CHANGE_SIBLING_NTH_LAST_CHILD \
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| GTK_CSS_CHANGE_SIBLING_STATE )
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#define PARENT_SHIFT 16
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return (match & ~(BASE_STATES|GTK_CSS_CHANGE_SOURCE|GTK_CSS_CHANGE_PARENT_STYLE)) | ((match & BASE_STATES) << PARENT_SHIFT);
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#undef BASE_STATES
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#undef PARENT_SHIFT
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}
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void
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gtk_css_change_print (GtkCssChange change,
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GString *string)
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{
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const struct {
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GtkCssChange flags;
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const char *name;
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} names[] = {
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{ GTK_CSS_CHANGE_CLASS, "class" },
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{ GTK_CSS_CHANGE_NAME, "name" },
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{ GTK_CSS_CHANGE_ID, "id" },
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{ GTK_CSS_CHANGE_FIRST_CHILD, "first-child" },
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{ GTK_CSS_CHANGE_LAST_CHILD, "last-child" },
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{ GTK_CSS_CHANGE_NTH_CHILD, "nth-child" },
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{ GTK_CSS_CHANGE_NTH_LAST_CHILD, "nth-last-child" },
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{ GTK_CSS_CHANGE_STATE, "state" },
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{ GTK_CSS_CHANGE_SIBLING_CLASS, "sibling-class" },
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{ GTK_CSS_CHANGE_SIBLING_NAME, "sibling-name" },
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{ GTK_CSS_CHANGE_SIBLING_ID, "sibling-id" },
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{ GTK_CSS_CHANGE_SIBLING_FIRST_CHILD, "sibling-first-child" },
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{ GTK_CSS_CHANGE_SIBLING_LAST_CHILD, "sibling-last-child" },
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{ GTK_CSS_CHANGE_SIBLING_NTH_CHILD, "sibling-nth-child" },
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{ GTK_CSS_CHANGE_SIBLING_NTH_LAST_CHILD, "sibling-nth-last-child" },
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{ GTK_CSS_CHANGE_SIBLING_STATE, "sibling-state" },
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{ GTK_CSS_CHANGE_PARENT_CLASS, "parent-class" },
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{ GTK_CSS_CHANGE_PARENT_NAME, "parent-name" },
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{ GTK_CSS_CHANGE_PARENT_ID, "parent-id" },
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{ GTK_CSS_CHANGE_PARENT_FIRST_CHILD, "parent-first-child" },
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{ GTK_CSS_CHANGE_PARENT_LAST_CHILD, "parent-last-child" },
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{ GTK_CSS_CHANGE_PARENT_NTH_CHILD, "parent-nth-child" },
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{ GTK_CSS_CHANGE_PARENT_NTH_LAST_CHILD, "parent-nth-last-child" },
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{ GTK_CSS_CHANGE_PARENT_STATE, "parent-state" },
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{ GTK_CSS_CHANGE_PARENT_SIBLING_CLASS, "parent-sibling-" },
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{ GTK_CSS_CHANGE_PARENT_SIBLING_NAME, "parent-sibling-name" },
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{ GTK_CSS_CHANGE_PARENT_SIBLING_ID, "parent-sibling-id" },
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{ GTK_CSS_CHANGE_PARENT_SIBLING_FIRST_CHILD, "parent-sibling-first-child" },
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{ GTK_CSS_CHANGE_PARENT_SIBLING_LAST_CHILD, "parent-sibling-last-child" },
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{ GTK_CSS_CHANGE_PARENT_SIBLING_NTH_CHILD, "parent-sibling-nth-child" },
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{ GTK_CSS_CHANGE_PARENT_SIBLING_NTH_LAST_CHILD, "parent-sibling-nth-last-child" },
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{ GTK_CSS_CHANGE_PARENT_SIBLING_STATE, "parent-sibling-state" },
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{ GTK_CSS_CHANGE_SOURCE, "source" },
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{ GTK_CSS_CHANGE_PARENT_STYLE, "parent-style" },
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{ GTK_CSS_CHANGE_TIMESTAMP, "timestamp" },
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{ GTK_CSS_CHANGE_ANIMATIONS, "animations" },
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};
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guint i;
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gboolean first;
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first = TRUE;
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for (i = 0; i < G_N_ELEMENTS (names); i++)
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{
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if (change & names[i].flags)
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{
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if (first)
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first = FALSE;
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else
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g_string_append (string, "|");
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g_string_append (string, names[i].name);
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}
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}
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}
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GtkCssDimension
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gtk_css_unit_get_dimension (GtkCssUnit unit)
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{
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switch (unit)
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{
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case GTK_CSS_NUMBER:
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return GTK_CSS_DIMENSION_NUMBER;
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case GTK_CSS_PERCENT:
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return GTK_CSS_DIMENSION_PERCENTAGE;
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case GTK_CSS_PX:
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case GTK_CSS_PT:
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case GTK_CSS_EM:
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case GTK_CSS_EX:
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case GTK_CSS_REM:
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case GTK_CSS_PC:
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case GTK_CSS_IN:
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case GTK_CSS_CM:
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case GTK_CSS_MM:
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return GTK_CSS_DIMENSION_LENGTH;
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case GTK_CSS_RAD:
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case GTK_CSS_DEG:
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case GTK_CSS_GRAD:
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case GTK_CSS_TURN:
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return GTK_CSS_DIMENSION_ANGLE;
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case GTK_CSS_S:
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case GTK_CSS_MS:
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return GTK_CSS_DIMENSION_TIME;
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default:
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g_assert_not_reached ();
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return GTK_CSS_DIMENSION_PERCENTAGE;
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}
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}
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char *
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gtk_css_change_to_string (GtkCssChange change)
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{
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GString *string = g_string_new (NULL);
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gtk_css_change_print (change, string);
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return g_string_free (string, FALSE);
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}
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