2e87aa81fc
EShellSettings predates GSettings and is no longer necessary. GSettings allows binding GObject properties to GSettings keys, with optional mapping functions. That fulfills the purpose of EShellSettings.
304 lines
8.0 KiB
C
304 lines
8.0 KiB
C
/*
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* e-settings-web-view-gtkhtml.c
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*
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* This program 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) version 3.
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*
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* This program 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 the program; if not, see <http://www.gnu.org/licenses/>
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <string.h>
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#include "e-settings-web-view-gtkhtml.h"
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#include <e-util/e-util.h>
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#define E_SETTINGS_WEB_VIEW_GTKHTML_GET_PRIVATE(obj) \
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(G_TYPE_INSTANCE_GET_PRIVATE \
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((obj), E_TYPE_SETTINGS_WEB_VIEW_GTKHTML, ESettingsWebViewGtkHTMLPrivate))
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struct _ESettingsWebViewGtkHTMLPrivate {
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GtkCssProvider *css_provider;
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GSettings *settings;
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};
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G_DEFINE_DYNAMIC_TYPE (
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ESettingsWebViewGtkHTML,
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e_settings_web_view_gtkhtml,
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E_TYPE_EXTENSION)
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/* replaces content of color string */
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static void
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settings_web_view_gtkhtml_fix_color_string (gchar *color_string)
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{
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GdkColor color;
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if (color_string == NULL)
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return;
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if (strlen (color_string) < 13)
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return;
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if (!gdk_color_parse (color_string, &color))
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return;
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sprintf (
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color_string, "#%02x%02x%02x",
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(gint) color.red * 256 / 65536,
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(gint) color.green * 256 / 65536,
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(gint) color.blue * 256 / 65536);
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}
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static void
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settings_web_view_gtkhtml_load_style (ESettingsWebViewGtkHTML *extension)
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{
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GString *buffer;
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gchar *citation_color;
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gchar *monospace_font;
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gchar *spell_color;
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gchar *variable_font;
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gboolean custom_fonts;
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gboolean mark_citations;
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EExtensible *extensible;
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GtkStyleContext *style_context;
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GSettings *settings;
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GError *error = NULL;
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/* Some of our mail and composer preferences are passed down to
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* GtkHtml through style properties, unfortunately. This builds
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* a style sheet for the EWebView using values from GSettings. */
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settings = extension->priv->settings;
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custom_fonts =
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g_settings_get_boolean (settings, "use-custom-font");
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monospace_font =
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g_settings_get_string (settings, "monospace-font");
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variable_font =
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g_settings_get_string (settings, "variable-width-font");
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mark_citations =
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g_settings_get_boolean (settings, "mark-citations");
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citation_color =
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g_settings_get_string (settings, "citation-color");
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spell_color =
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g_settings_get_string (settings, "composer-spell-color");
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buffer = g_string_new ("EWebViewGtkHTML {\n");
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settings_web_view_gtkhtml_fix_color_string (citation_color);
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settings_web_view_gtkhtml_fix_color_string (spell_color);
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if (custom_fonts && variable_font != NULL)
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g_string_append_printf (
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buffer, " font: %s;\n", variable_font);
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if (custom_fonts && monospace_font != NULL)
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g_string_append_printf (
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buffer, " -GtkHTML-fixed-font-name: '%s';\n",
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monospace_font);
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if (mark_citations && citation_color != NULL)
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g_string_append_printf (
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buffer, " -GtkHTML-cite-color: %s;\n",
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citation_color);
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if (spell_color != NULL)
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g_string_append_printf (
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buffer, " -GtkHTML-spell-error-color: %s;\n",
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spell_color);
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g_string_append (buffer, "}\n");
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gtk_css_provider_load_from_data (
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extension->priv->css_provider,
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buffer->str, buffer->len, &error);
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if (error != NULL) {
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g_warning ("%s", error->message);
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g_error_free (error);
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}
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g_string_free (buffer, TRUE);
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g_free (monospace_font);
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g_free (variable_font);
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g_free (citation_color);
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g_free (spell_color);
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extensible = e_extension_get_extensible (E_EXTENSION (extension));
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style_context = gtk_widget_get_style_context (GTK_WIDGET (extensible));
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gtk_style_context_invalidate (style_context);
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}
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static void
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settings_web_view_gtkhtml_changed_cb (GSettings *settings,
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const gchar *key,
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ESettingsWebViewGtkHTML *extension)
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{
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settings_web_view_gtkhtml_load_style (extension);
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}
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static void
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settings_web_view_gtkhtml_realize (GtkWidget *widget,
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ESettingsWebViewGtkHTML *extension)
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{
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GSettings *settings;
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settings = extension->priv->settings;
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g_settings_bind (
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settings, "composer-inline-spelling",
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widget, "inline-spelling",
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G_SETTINGS_BIND_GET);
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g_settings_bind (
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settings, "composer-magic-links",
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widget, "magic-links",
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G_SETTINGS_BIND_GET);
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g_settings_bind (
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settings, "composer-magic-smileys",
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widget, "magic-smileys",
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G_SETTINGS_BIND_GET);
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gtk_style_context_add_provider (
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gtk_widget_get_style_context (widget),
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GTK_STYLE_PROVIDER (extension->priv->css_provider),
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GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
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settings_web_view_gtkhtml_load_style (extension);
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/* Reload the style sheet when certain settings change. */
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g_signal_connect (
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settings, "changed::use-custom-font",
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G_CALLBACK (settings_web_view_gtkhtml_changed_cb),
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extension);
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g_signal_connect (
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settings, "changed::monospace-font",
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G_CALLBACK (settings_web_view_gtkhtml_changed_cb),
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extension);
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g_signal_connect (
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settings, "changed::variable-width-font",
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G_CALLBACK (settings_web_view_gtkhtml_changed_cb),
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extension);
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g_signal_connect (
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settings, "changed::mark-citations",
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G_CALLBACK (settings_web_view_gtkhtml_changed_cb),
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extension);
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g_signal_connect (
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settings, "changed::citation-color",
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G_CALLBACK (settings_web_view_gtkhtml_changed_cb),
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extension);
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g_signal_connect (
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settings, "changed::composer-spell-color",
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G_CALLBACK (settings_web_view_gtkhtml_changed_cb),
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extension);
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}
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static void
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settings_web_view_gtkhtml_dispose (GObject *object)
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{
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ESettingsWebViewGtkHTMLPrivate *priv;
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priv = E_SETTINGS_WEB_VIEW_GTKHTML_GET_PRIVATE (object);
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if (priv->settings != NULL) {
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g_signal_handlers_disconnect_by_func (
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priv->settings,
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settings_web_view_gtkhtml_changed_cb, object);
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}
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g_clear_object (&priv->css_provider);
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g_clear_object (&priv->settings);
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/* Chain up to parent's dispose() method. */
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G_OBJECT_CLASS (e_settings_web_view_gtkhtml_parent_class)->
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dispose (object);
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}
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static void
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settings_web_view_gtkhtml_constructed (GObject *object)
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{
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EExtensible *extensible;
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extensible = e_extension_get_extensible (E_EXTENSION (object));
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/* Wait to bind settings until the EWebView is realized so
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* GtkhtmlEditor has a chance to install a GtkHTMLEditorAPI.
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* Otherwise our settings will have no effect. */
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g_signal_connect (
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extensible, "realize",
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G_CALLBACK (settings_web_view_gtkhtml_realize), object);
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/* Chain up to parent's constructed() method. */
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G_OBJECT_CLASS (e_settings_web_view_gtkhtml_parent_class)->
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constructed (object);
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}
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static void
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e_settings_web_view_gtkhtml_class_init (ESettingsWebViewGtkHTMLClass *class)
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{
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GObjectClass *object_class;
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EExtensionClass *extension_class;
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g_type_class_add_private (
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class, sizeof (ESettingsWebViewGtkHTMLPrivate));
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object_class = G_OBJECT_CLASS (class);
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object_class->dispose = settings_web_view_gtkhtml_dispose;
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object_class->constructed = settings_web_view_gtkhtml_constructed;
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extension_class = E_EXTENSION_CLASS (class);
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extension_class->extensible_type = E_TYPE_WEB_VIEW_GTKHTML;
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}
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static void
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e_settings_web_view_gtkhtml_class_finalize (ESettingsWebViewGtkHTMLClass *class)
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{
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}
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static void
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e_settings_web_view_gtkhtml_init (ESettingsWebViewGtkHTML *extension)
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{
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GSettings *settings;
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extension->priv =
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E_SETTINGS_WEB_VIEW_GTKHTML_GET_PRIVATE (extension);
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extension->priv->css_provider = gtk_css_provider_new ();
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settings = g_settings_new ("org.gnome.evolution.mail");
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extension->priv->settings = settings;
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}
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void
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e_settings_web_view_gtkhtml_type_register (GTypeModule *type_module)
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{
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/* XXX G_DEFINE_DYNAMIC_TYPE declares a static type registration
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* function, so we have to wrap it with a public function in
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* order to register types from a separate compilation unit. */
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e_settings_web_view_gtkhtml_register_type (type_module);
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}
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