diff options
Diffstat (limited to 'modules/settings/e-settings-web-view.c')
| -rw-r--r-- | modules/settings/e-settings-web-view.c | 189 |
1 files changed, 180 insertions, 9 deletions
diff --git a/modules/settings/e-settings-web-view.c b/modules/settings/e-settings-web-view.c index 0867b3c66d..ff804f36b4 100644 --- a/modules/settings/e-settings-web-view.c +++ b/modules/settings/e-settings-web-view.c @@ -31,7 +31,8 @@ ((obj), E_TYPE_SETTINGS_WEB_VIEW, ESettingsWebViewPrivate)) struct _ESettingsWebViewPrivate { - gint placeholder; + GtkCssProvider *css_provider; + GSettings *settings; }; G_DEFINE_DYNAMIC_TYPE ( @@ -39,32 +40,194 @@ G_DEFINE_DYNAMIC_TYPE ( e_settings_web_view, E_TYPE_EXTENSION) +/* replaces content of color string */ static void -settings_web_view_constructed (GObject *object) +settings_web_view_fix_color_string (gchar *color_string) { - GSettings *settings; + GdkColor color; + + if (color_string == NULL) + return; + + if (strlen (color_string) < 13) + return; + + if (!gdk_color_parse (color_string, &color)) + return; + + sprintf ( + color_string, "#%02x%02x%02x", + (gint) color.red * 256 / 65536, + (gint) color.green * 256 / 65536, + (gint) color.blue * 256 / 65536); +} + +static void +settings_web_view_load_style (ESettingsWebView *extension) +{ + GString *buffer; + gchar *citation_color; + gchar *monospace_font; + gchar *variable_font; + gboolean custom_fonts; + gboolean mark_citations; EExtensible *extensible; + GtkStyleContext *style_context; + GSettings *settings; + GError *error = NULL; - extensible = e_extension_get_extensible (E_EXTENSION (object)); + /* Some of our mail and composer preferences are passed down to + * GtkHtml through style properties, unfortunately. This builds + * a style sheet for the EWebView using values from GSettings. */ - settings = g_settings_new ("org.gnome.evolution.mail"); + settings = extension->priv->settings; + + custom_fonts = + g_settings_get_boolean (settings, "use-custom-font"); + monospace_font = + g_settings_get_string (settings, "monospace-font"); + variable_font = + g_settings_get_string (settings, "variable-width-font"); + mark_citations = + g_settings_get_boolean (settings, "mark-citations"); + citation_color = + g_settings_get_string (settings, "citation-color"); + + buffer = g_string_new ("EWebViewGtkHTML {\n"); + + settings_web_view_fix_color_string (citation_color); + + if (custom_fonts && variable_font != NULL) + g_string_append_printf ( + buffer, " font: %s;\n", variable_font); + + if (custom_fonts && monospace_font != NULL) + g_string_append_printf ( + buffer, " -GtkHTML-fixed-font-name: '%s';\n", + monospace_font); + + if (mark_citations && citation_color != NULL) + g_string_append_printf ( + buffer, " -GtkHTML-cite-color: %s;\n", + citation_color); + + g_string_append (buffer, "}\n"); + + gtk_css_provider_load_from_data ( + extension->priv->css_provider, + buffer->str, buffer->len, &error); + + if (error != NULL) { + g_warning ("%s", error->message); + g_error_free (error); + } + + g_string_free (buffer, TRUE); + + g_free (monospace_font); + g_free (variable_font); + g_free (citation_color); + + extensible = e_extension_get_extensible (E_EXTENSION (extension)); + style_context = gtk_widget_get_style_context (GTK_WIDGET (extensible)); + gtk_style_context_invalidate (style_context); +} + +static void +settings_web_view_changed_cb (GSettings *settings, + const gchar *key, + ESettingsWebView *extension) +{ + settings_web_view_load_style (extension); +} + +static void +settings_web_view_realize (GtkWidget *widget, + ESettingsWebView *extension) +{ + GSettings *settings; + + settings = extension->priv->settings; g_settings_bind ( settings, "composer-inline-spelling", - extensible, "inline-spelling", + widget, "inline-spelling", G_SETTINGS_BIND_GET); g_settings_bind ( settings, "composer-magic-links", - extensible, "magic-links", + widget, "magic-links", G_SETTINGS_BIND_GET); g_settings_bind ( settings, "composer-magic-smileys", - extensible, "magic-smileys", + widget, "magic-smileys", G_SETTINGS_BIND_GET); - g_object_unref (settings); + gtk_style_context_add_provider ( + gtk_widget_get_style_context (widget), + GTK_STYLE_PROVIDER (extension->priv->css_provider), + GTK_STYLE_PROVIDER_PRIORITY_APPLICATION); + + settings_web_view_load_style (extension); + + /* Reload the style sheet when certain settings change. */ + + g_signal_connect ( + settings, "changed::use-custom-font", + G_CALLBACK (settings_web_view_changed_cb), extension); + + g_signal_connect ( + settings, "changed::monospace-font", + G_CALLBACK (settings_web_view_changed_cb), extension); + + g_signal_connect ( + settings, "changed::variable-width-font", + G_CALLBACK (settings_web_view_changed_cb), extension); + + g_signal_connect ( + settings, "changed::mark-citations", + G_CALLBACK (settings_web_view_changed_cb), extension); + + g_signal_connect ( + settings, "changed::citation-color", + G_CALLBACK (settings_web_view_changed_cb), extension); +} + +static void +settings_web_view_dispose (GObject *object) +{ + ESettingsWebViewPrivate *priv; + + priv = E_SETTINGS_WEB_VIEW_GET_PRIVATE (object); + + if (priv->settings != NULL) { + g_signal_handlers_disconnect_by_func ( + priv->settings, + settings_web_view_changed_cb, object); + } + + g_clear_object (&priv->css_provider); + g_clear_object (&priv->settings); + + /* Chain up to parent's dispose() method. */ + G_OBJECT_CLASS (e_settings_web_view_parent_class)->dispose (object); +} + +static void +settings_web_view_constructed (GObject *object) +{ + EExtensible *extensible; + + extensible = e_extension_get_extensible (E_EXTENSION (object)); + + /* Wait to bind settings until the EWebView is realized so + * GtkhtmlEditor has a chance to install a GtkHTMLEditorAPI. + * Otherwise our settings will have no effect. */ + + g_signal_connect ( + extensible, "realize", + G_CALLBACK (settings_web_view_realize), object); /* Chain up to parent's constructed() method. */ G_OBJECT_CLASS (e_settings_web_view_parent_class)-> @@ -80,6 +243,7 @@ e_settings_web_view_class_init (ESettingsWebViewClass *class) g_type_class_add_private (class, sizeof (ESettingsWebViewPrivate)); object_class = G_OBJECT_CLASS (class); + object_class->dispose = settings_web_view_dispose; object_class->constructed = settings_web_view_constructed; extension_class = E_EXTENSION_CLASS (class); @@ -94,7 +258,14 @@ e_settings_web_view_class_finalize (ESettingsWebViewClass *class) static void e_settings_web_view_init (ESettingsWebView *extension) { + GSettings *settings; + extension->priv = E_SETTINGS_WEB_VIEW_GET_PRIVATE (extension); + + extension->priv->css_provider = gtk_css_provider_new (); + + settings = g_settings_new ("org.gnome.evolution.mail"); + extension->priv->settings = settings; } void |