mirror of
https://gitlab.gnome.org/GNOME/gtk.git
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210 lines
8.4 KiB
C
210 lines
8.4 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2015 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 "gtkcssstylechangeprivate.h"
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#include "gtkcssstylepropertyprivate.h"
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static void
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compute_change (GtkCssStyleChange *change)
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{
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gboolean color_changed = FALSE;
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if (change->old_style->core != change->new_style->core)
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{
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gtk_css_core_values_compute_changes_and_affects (change->old_style,
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change->new_style,
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&change->changes,
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&change->affects);
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color_changed = _gtk_bitmask_get (change->changes, GTK_CSS_PROPERTY_COLOR);
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}
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if (change->old_style->background != change->new_style->background)
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gtk_css_background_values_compute_changes_and_affects (change->old_style,
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change->new_style,
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&change->changes,
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&change->affects);
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if (change->old_style->border != change->new_style->border ||
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(color_changed && (change->old_style->border->border_top_color == NULL ||
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change->old_style->border->border_right_color == NULL ||
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change->old_style->border->border_bottom_color == NULL ||
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change->old_style->border->border_left_color == NULL)))
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gtk_css_border_values_compute_changes_and_affects (change->old_style,
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change->new_style,
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&change->changes,
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&change->affects);
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if (change->old_style->icon != change->new_style->icon)
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gtk_css_icon_values_compute_changes_and_affects (change->old_style,
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change->new_style,
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&change->changes,
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&change->affects);
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if (change->old_style->outline != change->new_style->outline ||
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(color_changed && change->old_style->outline->outline_color == NULL))
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gtk_css_outline_values_compute_changes_and_affects (change->old_style,
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change->new_style,
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&change->changes,
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&change->affects);
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if (change->old_style->font != change->new_style->font ||
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(color_changed && (change->old_style->font->caret_color == NULL ||
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change->old_style->font->secondary_caret_color == NULL)))
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gtk_css_font_values_compute_changes_and_affects (change->old_style,
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change->new_style,
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&change->changes,
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&change->affects);
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if (change->old_style->font_variant != change->new_style->font_variant ||
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(color_changed && change->old_style->font_variant->text_decoration_color == NULL))
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gtk_css_font_variant_values_compute_changes_and_affects (change->old_style,
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change->new_style,
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&change->changes,
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&change->affects);
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if (change->old_style->animation != change->new_style->animation)
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gtk_css_animation_values_compute_changes_and_affects (change->old_style,
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change->new_style,
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&change->changes,
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&change->affects);
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if (change->old_style->transition != change->new_style->transition)
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gtk_css_transition_values_compute_changes_and_affects (change->old_style,
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change->new_style,
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&change->changes,
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&change->affects);
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if (change->old_style->size != change->new_style->size)
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gtk_css_size_values_compute_changes_and_affects (change->old_style,
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change->new_style,
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&change->changes,
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&change->affects);
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if (change->old_style->other != change->new_style->other)
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gtk_css_other_values_compute_changes_and_affects (change->old_style,
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change->new_style,
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&change->changes,
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&change->affects);
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if (change->old_style->variables != change->new_style->variables)
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gtk_css_custom_values_compute_changes_and_affects (change->old_style,
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change->new_style,
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&change->changes,
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&change->affects);
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}
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void
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gtk_css_style_change_init (GtkCssStyleChange *change,
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GtkCssStyle *old_style,
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GtkCssStyle *new_style)
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{
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change->old_style = g_object_ref (old_style);
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change->new_style = g_object_ref (new_style);
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change->affects = 0;
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change->changes = _gtk_bitmask_new ();
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if (old_style != new_style)
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compute_change (change);
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}
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void
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gtk_css_style_change_finish (GtkCssStyleChange *change)
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{
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g_object_unref (change->old_style);
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g_object_unref (change->new_style);
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_gtk_bitmask_free (change->changes);
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}
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GtkCssStyle *
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gtk_css_style_change_get_old_style (GtkCssStyleChange *change)
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{
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return change->old_style;
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}
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GtkCssStyle *
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gtk_css_style_change_get_new_style (GtkCssStyleChange *change)
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{
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return change->new_style;
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}
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gboolean
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gtk_css_style_change_has_change (GtkCssStyleChange *change)
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{
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return !_gtk_bitmask_is_empty (change->changes);
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}
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gboolean
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gtk_css_style_change_affects (GtkCssStyleChange *change,
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GtkCssAffects affects)
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{
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return (change->affects & affects) != 0;
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}
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gboolean
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gtk_css_style_change_changes_property (GtkCssStyleChange *change,
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guint id)
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{
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return _gtk_bitmask_get (change->changes, id);
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}
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void
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gtk_css_style_change_print (GtkCssStyleChange *change,
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GString *string)
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{
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int i;
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GtkCssStyle *old = gtk_css_style_change_get_old_style (change);
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GtkCssStyle *new = gtk_css_style_change_get_new_style (change);
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for (i = 0; i < GTK_CSS_PROPERTY_N_PROPERTIES; i ++)
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{
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if (gtk_css_style_change_changes_property (change, i))
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{
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GtkCssStyleProperty *prop;
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GtkCssValue *value;
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const char *name;
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prop = _gtk_css_style_property_lookup_by_id (i);
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name = _gtk_style_property_get_name (GTK_STYLE_PROPERTY (prop));
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g_string_append_printf (string, "%s: ", name);
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value = gtk_css_style_get_value (old, i);
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gtk_css_value_print (value, string);
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g_string_append (string, "\n");
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g_string_append_printf (string, "%s: ", name);
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value = gtk_css_style_get_value (new, i);
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gtk_css_value_print (value, string);
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g_string_append (string, "\n");
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}
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}
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}
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char *
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gtk_css_style_change_to_string (GtkCssStyleChange *change)
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{
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GString *string = g_string_new ("");
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gtk_css_style_change_print (change, string);
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return g_string_free (string, FALSE);
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}
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