[gnumeric] GnmFontButton: new widget.
- From: Morten Welinder <mortenw src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnumeric] GnmFontButton: new widget.
- Date: Wed, 13 Mar 2013 20:57:20 +0000 (UTC)
commit 35caaae5905c48117a15108eaf12dc0a4d1304c4
Author: Morten Welinder <terra gnome org>
Date: Wed Mar 13 16:56:39 2013 -0400
GnmFontButton: new widget.
Basically a copy of GtkFontButton but with control of what dialog
to pop up.
src/widgets/Makefile.am | 2 +
src/widgets/gnm-fontbutton.c | 1233 ++++++++++++++++++++++++++++++++++++++++++
src/widgets/gnm-fontbutton.h | 94 ++++
3 files changed, 1329 insertions(+), 0 deletions(-)
---
diff --git a/src/widgets/Makefile.am b/src/widgets/Makefile.am
index ff5e2eb..bef5e04 100644
--- a/src/widgets/Makefile.am
+++ b/src/widgets/Makefile.am
@@ -11,6 +11,8 @@ noinst_LTLIBRARIES = libwidgets.la
libwidgets_la_SOURCES = \
gnm-dao.c \
gnm-dao.h \
+ gnm-fontbutton.c \
+ gnm-fontbutton.h \
gnm-format-sel.c \
gnm-format-sel.h \
gnm-notebook.c \
diff --git a/src/widgets/gnm-fontbutton.c b/src/widgets/gnm-fontbutton.c
new file mode 100644
index 0000000..6de05fc
--- /dev/null
+++ b/src/widgets/gnm-fontbutton.c
@@ -0,0 +1,1233 @@
+/* Mostly a copy of gtkfontbutton.c awaiting a fix for 695776. */
+
+#include <gnumeric-config.h>
+#include "gnm-fontbutton.h"
+
+typedef enum {
+ GTK_FONT_CHOOSER_PROP_FIRST = 0x4000,
+ GTK_FONT_CHOOSER_PROP_FONT,
+ GTK_FONT_CHOOSER_PROP_FONT_DESC,
+ GTK_FONT_CHOOSER_PROP_PREVIEW_TEXT,
+ GTK_FONT_CHOOSER_PROP_SHOW_PREVIEW_ENTRY,
+ GTK_FONT_CHOOSER_PROP_LAST
+} GtkFontChooserProp;
+
+static void
+_gtk_font_chooser_install_properties (GObjectClass *klass)
+{
+ g_object_class_override_property (klass,
+ GTK_FONT_CHOOSER_PROP_FONT,
+ "font");
+ g_object_class_override_property (klass,
+ GTK_FONT_CHOOSER_PROP_FONT_DESC,
+ "font-desc");
+ g_object_class_override_property (klass,
+ GTK_FONT_CHOOSER_PROP_PREVIEW_TEXT,
+ "preview-text");
+ g_object_class_override_property (klass,
+ GTK_FONT_CHOOSER_PROP_SHOW_PREVIEW_ENTRY,
+ "show-preview-entry");
+}
+
+/*
+ * GTK - The GIMP Toolkit
+ * Copyright (C) 1998 David Abilleira Freijeiro <odaf nexo es>
+ * All rights reserved.
+ *
+ * Based on gnome-color-picker by Federico Mena <federico nuclecu unam mx>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+/*
+ * Modified by the GTK+ Team and others 2003. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#include <string.h>
+#include <glib/gi18n-lib.h>
+
+
+/**
+ * SECTION:gtkfontbutton
+ * @Short_description: A button to launch a font chooser dialog
+ * @Title: GnmFontButton
+ * @See_also: #GtkFontChooserDialog, #GtkColorButton.
+ *
+ * The #GnmFontButton is a button which displays the currently selected
+ * font an allows to open a font chooser dialog to change the font.
+ * It is suitable widget for selecting a font in a preference dialog.
+ */
+
+
+struct _GnmFontButtonPrivate
+{
+ gchar *title;
+
+ gchar *fontname;
+
+ guint use_font : 1;
+ guint use_size : 1;
+ guint show_style : 1;
+ guint show_size : 1;
+ guint show_preview_entry : 1;
+
+ GtkWidget *font_dialog;
+ GtkWidget *inside;
+ GtkWidget *font_label;
+ GtkWidget *size_label;
+
+ PangoFontDescription *font_desc;
+ PangoFontFamily *font_family;
+ PangoFontFace *font_face;
+ gint font_size;
+ gchar *preview_text;
+ GtkFontFilterFunc font_filter;
+ gpointer font_filter_data;
+ GDestroyNotify font_filter_data_destroy;
+
+ GType dialog_type;
+};
+
+/* Signals */
+enum
+{
+ FONT_SET,
+ LAST_SIGNAL
+};
+
+enum
+{
+ PROP_0,
+ PROP_TITLE,
+ PROP_FONT_NAME,
+ PROP_USE_FONT,
+ PROP_USE_SIZE,
+ PROP_SHOW_STYLE,
+ PROP_SHOW_SIZE,
+ PROP_DIALOG_TYPE
+};
+
+/* Prototypes */
+static void gnm_font_button_finalize (GObject *object);
+static void gnm_font_button_get_property (GObject *object,
+ guint param_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void gnm_font_button_set_property (GObject *object,
+ guint param_id,
+ const GValue *value,
+ GParamSpec *pspec);
+
+static void gnm_font_button_clicked (GtkButton *button);
+
+/* Dialog response functions */
+static void response_cb (GtkDialog *dialog,
+ gint response_id,
+ gpointer data);
+static void dialog_destroy (GtkWidget *widget,
+ gpointer data);
+
+/* Auxiliary functions */
+static GtkWidget *gnm_font_button_create_inside (GnmFontButton *gfs);
+static void gnm_font_button_label_use_font (GnmFontButton *gfs);
+static void gnm_font_button_update_font_info (GnmFontButton *gfs);
+
+static guint font_button_signals[LAST_SIGNAL] = { 0 };
+
+static void
+clear_font_data (GnmFontButton *font_button)
+{
+ GnmFontButtonPrivate *priv = font_button->priv;
+
+ if (priv->font_family)
+ g_object_unref (priv->font_family);
+ priv->font_family = NULL;
+
+ if (priv->font_face)
+ g_object_unref (priv->font_face);
+ priv->font_face = NULL;
+
+ if (priv->font_desc)
+ pango_font_description_free (priv->font_desc);
+ priv->font_desc = NULL;
+
+ g_free (priv->fontname);
+ priv->fontname = NULL;
+}
+
+static void
+clear_font_filter_data (GnmFontButton *font_button)
+{
+ GnmFontButtonPrivate *priv = font_button->priv;
+
+ if (priv->font_filter_data_destroy)
+ priv->font_filter_data_destroy (priv->font_filter_data);
+ priv->font_filter = NULL;
+ priv->font_filter_data = NULL;
+ priv->font_filter_data_destroy = NULL;
+}
+
+static gboolean
+font_description_style_equal (const PangoFontDescription *a,
+ const PangoFontDescription *b)
+{
+ return (pango_font_description_get_weight (a) == pango_font_description_get_weight (b) &&
+ pango_font_description_get_style (a) == pango_font_description_get_style (b) &&
+ pango_font_description_get_stretch (a) == pango_font_description_get_stretch (b) &&
+ pango_font_description_get_variant (a) == pango_font_description_get_variant (b));
+}
+
+static void
+gnm_font_button_update_font_data (GnmFontButton *font_button)
+{
+ GnmFontButtonPrivate *priv = font_button->priv;
+ PangoFontFamily **families;
+ PangoFontFace **faces;
+ gint n_families, n_faces, i;
+ const gchar *family;
+
+ g_assert (priv->font_desc != NULL);
+
+ priv->fontname = pango_font_description_to_string (priv->font_desc);
+
+ family = pango_font_description_get_family (priv->font_desc);
+ if (family == NULL)
+ return;
+
+ n_families = 0;
+ families = NULL;
+ pango_context_list_families (gtk_widget_get_pango_context (GTK_WIDGET (font_button)),
+ &families, &n_families);
+ n_faces = 0;
+ faces = NULL;
+ for (i = 0; i < n_families; i++)
+ {
+ const gchar *name = pango_font_family_get_name (families[i]);
+
+ if (!g_ascii_strcasecmp (name, family))
+ {
+ priv->font_family = g_object_ref (families[i]);
+
+ pango_font_family_list_faces (families[i], &faces, &n_faces);
+ break;
+ }
+ }
+ g_free (families);
+
+ for (i = 0; i < n_faces; i++)
+ {
+ PangoFontDescription *tmp_desc = pango_font_face_describe (faces[i]);
+
+ if (font_description_style_equal (tmp_desc, priv->font_desc))
+ {
+ priv->font_face = g_object_ref (faces[i]);
+
+ pango_font_description_free (tmp_desc);
+ break;
+ }
+ else
+ pango_font_description_free (tmp_desc);
+ }
+
+ g_free (faces);
+}
+
+static gchar *
+gnm_font_button_get_preview_text (GnmFontButton *font_button)
+{
+ GnmFontButtonPrivate *priv = font_button->priv;
+
+ if (priv->font_dialog)
+ return gtk_font_chooser_get_preview_text (GTK_FONT_CHOOSER (priv->font_dialog));
+
+ return g_strdup (priv->preview_text);
+}
+
+static void
+gnm_font_button_set_preview_text (GnmFontButton *font_button,
+ const gchar *preview_text)
+{
+ GnmFontButtonPrivate *priv = font_button->priv;
+
+ if (priv->font_dialog)
+ {
+ gtk_font_chooser_set_preview_text (GTK_FONT_CHOOSER (priv->font_dialog),
+ preview_text);
+ return;
+ }
+
+ g_free (priv->preview_text);
+ priv->preview_text = g_strdup (preview_text);
+}
+
+
+static gboolean
+gnm_font_button_get_show_preview_entry (GnmFontButton *font_button)
+{
+ GnmFontButtonPrivate *priv = font_button->priv;
+
+ if (priv->font_dialog)
+ return gtk_font_chooser_get_show_preview_entry (GTK_FONT_CHOOSER (priv->font_dialog));
+
+ return priv->show_preview_entry;
+}
+
+static void
+gnm_font_button_set_show_preview_entry (GnmFontButton *font_button,
+ gboolean show)
+{
+ GnmFontButtonPrivate *priv = font_button->priv;
+
+ if (priv->font_dialog)
+ gtk_font_chooser_set_show_preview_entry (GTK_FONT_CHOOSER (priv->font_dialog), show);
+ else
+ priv->show_preview_entry = show != FALSE;
+}
+
+static PangoFontFamily *
+gnm_font_button_font_chooser_get_font_family (GtkFontChooser *chooser)
+{
+ GnmFontButton *font_button = GNM_FONT_BUTTON (chooser);
+ GnmFontButtonPrivate *priv = font_button->priv;
+
+ return priv->font_family;
+}
+
+static PangoFontFace *
+gnm_font_button_font_chooser_get_font_face (GtkFontChooser *chooser)
+{
+ GnmFontButton *font_button = GNM_FONT_BUTTON (chooser);
+ GnmFontButtonPrivate *priv = font_button->priv;
+
+ return priv->font_face;
+}
+
+static int
+gnm_font_button_font_chooser_get_font_size (GtkFontChooser *chooser)
+{
+ GnmFontButton *font_button = GNM_FONT_BUTTON (chooser);
+ GnmFontButtonPrivate *priv = font_button->priv;
+
+ return priv->font_size;
+}
+
+static void
+gnm_font_button_font_chooser_set_filter_func (GtkFontChooser *chooser,
+ GtkFontFilterFunc filter_func,
+ gpointer filter_data,
+ GDestroyNotify data_destroy)
+{
+ GnmFontButton *font_button = GNM_FONT_BUTTON (chooser);
+ GnmFontButtonPrivate *priv = font_button->priv;
+
+ if (priv->font_dialog)
+ {
+ gtk_font_chooser_set_filter_func (GTK_FONT_CHOOSER (priv->font_dialog),
+ filter_func,
+ filter_data,
+ data_destroy);
+ return;
+ }
+
+ clear_font_filter_data (font_button);
+ priv->font_filter = filter_func;
+ priv->font_filter_data = filter_data;
+ priv->font_filter_data_destroy = data_destroy;
+}
+
+static void
+gnm_font_button_take_font_desc (GnmFontButton *font_button,
+ PangoFontDescription *font_desc)
+{
+ GnmFontButtonPrivate *priv = font_button->priv;
+ GObject *object = G_OBJECT (font_button);
+
+ if (priv->font_desc && font_desc &&
+ pango_font_description_equal (priv->font_desc, font_desc))
+ {
+ pango_font_description_free (font_desc);
+ return;
+ }
+
+ g_object_freeze_notify (object);
+
+ clear_font_data (font_button);
+
+ if (font_desc)
+ priv->font_desc = font_desc; /* adopted */
+ else
+ priv->font_desc = pango_font_description_from_string (_("Sans 12"));
+
+ if (pango_font_description_get_size_is_absolute (priv->font_desc))
+ priv->font_size = pango_font_description_get_size (priv->font_desc);
+ else
+ priv->font_size = pango_font_description_get_size (priv->font_desc) / PANGO_SCALE;
+
+ gnm_font_button_update_font_data (font_button);
+ gnm_font_button_update_font_info (font_button);
+
+ if (priv->font_dialog)
+ gtk_font_chooser_set_font_desc (GTK_FONT_CHOOSER (priv->font_dialog),
+ priv->font_desc);
+
+ g_object_notify (G_OBJECT (font_button), "font");
+ g_object_notify (G_OBJECT (font_button), "font-desc");
+ g_object_notify (G_OBJECT (font_button), "font-name");
+
+ g_object_thaw_notify (object);
+}
+
+static const PangoFontDescription *
+gnm_font_button_get_font_desc (GnmFontButton *font_button)
+{
+ return font_button->priv->font_desc;
+}
+
+static void
+gnm_font_button_font_chooser_notify (GObject *object,
+ GParamSpec *pspec,
+ gpointer user_data)
+{
+ /* We do not forward the notification of the "font" property to the dialog! */
+ if (pspec->name == ("preview-text") ||
+ pspec->name == ("show-preview-entry"))
+ g_object_notify_by_pspec (user_data, pspec);
+}
+
+static void
+gnm_font_button_font_chooser_iface_init (GtkFontChooserIface *iface)
+{
+ iface->get_font_family = gnm_font_button_font_chooser_get_font_family;
+ iface->get_font_face = gnm_font_button_font_chooser_get_font_face;
+ iface->get_font_size = gnm_font_button_font_chooser_get_font_size;
+ iface->set_filter_func = gnm_font_button_font_chooser_set_filter_func;
+}
+
+G_DEFINE_TYPE_WITH_CODE (GnmFontButton, gnm_font_button, GTK_TYPE_BUTTON,
+ G_IMPLEMENT_INTERFACE (GTK_TYPE_FONT_CHOOSER,
+ gnm_font_button_font_chooser_iface_init))
+
+static void
+gnm_font_button_class_init (GnmFontButtonClass *klass)
+{
+ GObjectClass *gobject_class;
+ GtkButtonClass *button_class;
+
+ gnm_font_button_parent_class = g_type_class_peek_parent (klass);
+
+ gobject_class = (GObjectClass *) klass;
+ button_class = (GtkButtonClass *) klass;
+
+ gobject_class->finalize = gnm_font_button_finalize;
+ gobject_class->set_property = gnm_font_button_set_property;
+ gobject_class->get_property = gnm_font_button_get_property;
+
+ button_class->clicked = gnm_font_button_clicked;
+
+ klass->font_set = NULL;
+
+ _gtk_font_chooser_install_properties (gobject_class);
+
+ g_object_class_install_property (gobject_class,
+ PROP_DIALOG_TYPE,
+ g_param_spec_gtype ("dialog-type",
+ _("Dialog Type"),
+ _("The type of the dialog"),
+ GTK_TYPE_FONT_CHOOSER,
+ (G_PARAM_READABLE |
+ G_PARAM_WRITABLE)));
+
+
+ /**
+ * GnmFontButton:title:
+ *
+ * The title of the font chooser dialog.
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_TITLE,
+ g_param_spec_string ("title",
+ _("Title"),
+ _("The title of the font chooser dialog"),
+ _("Pick a Font"),
+ (G_PARAM_READABLE |
+ G_PARAM_WRITABLE)));
+
+ /**
+ * GnmFontButton:font-name:
+ *
+ * The name of the currently selected font.
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_FONT_NAME,
+ g_param_spec_string ("font-name",
+ _("Font name"),
+ _("The name of the selected font"),
+ _("Sans 12"),
+ (G_PARAM_READABLE |
+ G_PARAM_WRITABLE)));
+
+ /**
+ * GnmFontButton:use-font:
+ *
+ * If this property is set to %TRUE, the label will be drawn
+ * in the selected font.
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_USE_FONT,
+ g_param_spec_boolean ("use-font",
+ _("Use font in label"),
+ _("Whether the label is drawn in the selected
font"),
+ FALSE,
+ G_PARAM_READWRITE));
+
+ /**
+ * GnmFontButton:use-size:
+ *
+ * If this property is set to %TRUE, the label will be drawn
+ * with the selected font size.
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_USE_SIZE,
+ g_param_spec_boolean ("use-size",
+ _("Use size in label"),
+ _("Whether the label is drawn with the selected
font size"),
+ FALSE,
+ G_PARAM_READWRITE));
+
+ /**
+ * GnmFontButton:show-style:
+ *
+ * If this property is set to %TRUE, the name of the selected font style
+ * will be shown in the label. For a more WYSIWYG way to show the selected
+ * style, see the ::use-font property.
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_SHOW_STYLE,
+ g_param_spec_boolean ("show-style",
+ _("Show style"),
+ _("Whether the selected font style is shown in the
label"),
+ TRUE,
+ G_PARAM_READWRITE));
+ /**
+ * GnmFontButton:show-size:
+ *
+ * If this property is set to %TRUE, the selected font size will be shown
+ * in the label. For a more WYSIWYG way to show the selected size, see the
+ * ::use-size property.
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_SHOW_SIZE,
+ g_param_spec_boolean ("show-size",
+ _("Show size"),
+ _("Whether selected font size is shown in the
label"),
+ TRUE,
+ G_PARAM_READWRITE));
+
+ /**
+ * GnmFontButton::font-set:
+ * @widget: the object which received the signal.
+ *
+ * The ::font-set signal is emitted when the user selects a font.
+ * When handling this signal, use gnm_font_button_get_font_name()
+ * to find out which font was just selected.
+ *
+ * Note that this signal is only emitted when the <emphasis>user</emphasis>
+ * changes the font. If you need to react to programmatic font changes
+ * as well, use the notify::font-name signal.
+ *
+ * Since: 2.4
+ */
+ font_button_signals[FONT_SET] = g_signal_new (("font-set"),
+ G_TYPE_FROM_CLASS (gobject_class),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (GnmFontButtonClass, font_set),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ g_type_class_add_private (gobject_class, sizeof (GnmFontButtonPrivate));
+}
+
+static void
+gnm_font_button_init (GnmFontButton *font_button)
+{
+ font_button->priv = G_TYPE_INSTANCE_GET_PRIVATE (font_button,
+ GNM_TYPE_FONT_BUTTON,
+ GnmFontButtonPrivate);
+
+ /* Initialize fields */
+ font_button->priv->use_font = FALSE;
+ font_button->priv->use_size = FALSE;
+ font_button->priv->show_style = TRUE;
+ font_button->priv->show_size = TRUE;
+ font_button->priv->show_preview_entry = FALSE;
+ font_button->priv->font_dialog = NULL;
+ font_button->priv->font_family = NULL;
+ font_button->priv->font_face = NULL;
+ font_button->priv->font_size = -1;
+ font_button->priv->title = g_strdup (_("Pick a Font"));
+ font_button->priv->dialog_type = GTK_TYPE_FONT_CHOOSER_DIALOG;
+
+ font_button->priv->inside = gnm_font_button_create_inside (font_button);
+ gtk_container_add (GTK_CONTAINER (font_button), font_button->priv->inside);
+
+ gnm_font_button_take_font_desc (font_button, NULL);
+}
+
+static void
+gnm_font_button_finalize (GObject *object)
+{
+ GnmFontButton *font_button = GNM_FONT_BUTTON (object);
+
+ if (font_button->priv->font_dialog != NULL)
+ gtk_widget_destroy (font_button->priv->font_dialog);
+ font_button->priv->font_dialog = NULL;
+
+ g_free (font_button->priv->title);
+ font_button->priv->title = NULL;
+
+ clear_font_data (font_button);
+ clear_font_filter_data (font_button);
+
+ g_free (font_button->priv->preview_text);
+ font_button->priv->preview_text = NULL;
+
+ G_OBJECT_CLASS (gnm_font_button_parent_class)->finalize (object);
+}
+
+static void
+gnm_font_button_set_property (GObject *object,
+ guint param_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GnmFontButton *font_button = GNM_FONT_BUTTON (object);
+
+ switch (param_id)
+ {
+ case GTK_FONT_CHOOSER_PROP_PREVIEW_TEXT:
+ gnm_font_button_set_preview_text (font_button, g_value_get_string (value));
+ break;
+ case GTK_FONT_CHOOSER_PROP_SHOW_PREVIEW_ENTRY:
+ gnm_font_button_set_show_preview_entry (font_button, g_value_get_boolean (value));
+ break;
+ case PROP_TITLE:
+ gnm_font_button_set_title (font_button, g_value_get_string (value));
+ break;
+ case GTK_FONT_CHOOSER_PROP_FONT_DESC:
+ gnm_font_button_take_font_desc (font_button, g_value_dup_boxed (value));
+ break;
+ case GTK_FONT_CHOOSER_PROP_FONT:
+ case PROP_FONT_NAME:
+ gnm_font_button_set_font_name (font_button, g_value_get_string (value));
+ break;
+ case PROP_USE_FONT:
+ gnm_font_button_set_use_font (font_button, g_value_get_boolean (value));
+ break;
+ case PROP_USE_SIZE:
+ gnm_font_button_set_use_size (font_button, g_value_get_boolean (value));
+ break;
+ case PROP_SHOW_STYLE:
+ gnm_font_button_set_show_style (font_button, g_value_get_boolean (value));
+ break;
+ case PROP_SHOW_SIZE:
+ gnm_font_button_set_show_size (font_button, g_value_get_boolean (value));
+ break;
+ case PROP_DIALOG_TYPE:
+ font_button->priv->dialog_type = g_value_get_gtype (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+ break;
+ }
+}
+
+static void
+gnm_font_button_get_property (GObject *object,
+ guint param_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GnmFontButton *font_button = GNM_FONT_BUTTON (object);
+
+ switch (param_id)
+ {
+ case GTK_FONT_CHOOSER_PROP_PREVIEW_TEXT:
+ g_value_set_string (value, gnm_font_button_get_preview_text (font_button));
+ break;
+ case GTK_FONT_CHOOSER_PROP_SHOW_PREVIEW_ENTRY:
+ g_value_set_boolean (value, gnm_font_button_get_show_preview_entry (font_button));
+ break;
+ case PROP_TITLE:
+ g_value_set_string (value, gnm_font_button_get_title (font_button));
+ break;
+ case GTK_FONT_CHOOSER_PROP_FONT_DESC:
+ g_value_set_boxed (value, gnm_font_button_get_font_desc (font_button));
+ break;
+ case GTK_FONT_CHOOSER_PROP_FONT:
+ case PROP_FONT_NAME:
+ g_value_set_string (value, gnm_font_button_get_font_name (font_button));
+ break;
+ case PROP_USE_FONT:
+ g_value_set_boolean (value, gnm_font_button_get_use_font (font_button));
+ break;
+ case PROP_USE_SIZE:
+ g_value_set_boolean (value, gnm_font_button_get_use_size (font_button));
+ break;
+ case PROP_SHOW_STYLE:
+ g_value_set_boolean (value, gnm_font_button_get_show_style (font_button));
+ break;
+ case PROP_SHOW_SIZE:
+ g_value_set_boolean (value, gnm_font_button_get_show_size (font_button));
+ break;
+ case PROP_DIALOG_TYPE:
+ g_value_set_gtype (value, font_button->priv->dialog_type);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+ break;
+ }
+}
+
+
+/**
+ * gnm_font_button_new:
+ *
+ * Creates a new font picker widget.
+ *
+ * Returns: a new font picker widget.
+ *
+ * Since: 2.4
+ */
+GtkWidget *
+gnm_font_button_new (void)
+{
+ return g_object_new (GTK_TYPE_FONT_BUTTON, NULL);
+}
+
+/**
+ * gnm_font_button_new_with_font:
+ * @fontname: Name of font to display in font chooser dialog
+ *
+ * Creates a new font picker widget.
+ *
+ * Returns: a new font picker widget.
+ *
+ * Since: 2.4
+ */
+GtkWidget *
+gnm_font_button_new_with_font (const gchar *fontname)
+{
+ return g_object_new (GTK_TYPE_FONT_BUTTON, "font-name", fontname, NULL);
+}
+
+/**
+ * gnm_font_button_set_title:
+ * @font_button: a #GnmFontButton
+ * @title: a string containing the font chooser dialog title
+ *
+ * Sets the title for the font chooser dialog.
+ *
+ * Since: 2.4
+ */
+void
+gnm_font_button_set_title (GnmFontButton *font_button,
+ const gchar *title)
+{
+ gchar *old_title;
+ g_return_if_fail (GTK_IS_FONT_BUTTON (font_button));
+
+ old_title = font_button->priv->title;
+ font_button->priv->title = g_strdup (title);
+ g_free (old_title);
+
+ if (font_button->priv->font_dialog)
+ gtk_window_set_title (GTK_WINDOW (font_button->priv->font_dialog),
+ font_button->priv->title);
+
+ g_object_notify (G_OBJECT (font_button), "title");
+}
+
+/**
+ * gnm_font_button_get_title:
+ * @font_button: a #GnmFontButton
+ *
+ * Retrieves the title of the font chooser dialog.
+ *
+ * Returns: an internal copy of the title string which must not be freed.
+ *
+ * Since: 2.4
+ */
+const gchar*
+gnm_font_button_get_title (GnmFontButton *font_button)
+{
+ g_return_val_if_fail (GTK_IS_FONT_BUTTON (font_button), NULL);
+
+ return font_button->priv->title;
+}
+
+/**
+ * gnm_font_button_get_use_font:
+ * @font_button: a #GnmFontButton
+ *
+ * Returns whether the selected font is used in the label.
+ *
+ * Returns: whether the selected font is used in the label.
+ *
+ * Since: 2.4
+ */
+gboolean
+gnm_font_button_get_use_font (GnmFontButton *font_button)
+{
+ g_return_val_if_fail (GTK_IS_FONT_BUTTON (font_button), FALSE);
+
+ return font_button->priv->use_font;
+}
+
+/**
+ * gnm_font_button_set_use_font:
+ * @font_button: a #GnmFontButton
+ * @use_font: If %TRUE, font name will be written using font chosen.
+ *
+ * If @use_font is %TRUE, the font name will be written using the selected font.
+ *
+ * Since: 2.4
+ */
+void
+gnm_font_button_set_use_font (GnmFontButton *font_button,
+ gboolean use_font)
+{
+ g_return_if_fail (GTK_IS_FONT_BUTTON (font_button));
+
+ use_font = (use_font != FALSE);
+
+ if (font_button->priv->use_font != use_font)
+ {
+ font_button->priv->use_font = use_font;
+
+ gnm_font_button_label_use_font (font_button);
+
+ g_object_notify (G_OBJECT (font_button), "use-font");
+ }
+}
+
+
+/**
+ * gnm_font_button_get_use_size:
+ * @font_button: a #GnmFontButton
+ *
+ * Returns whether the selected size is used in the label.
+ *
+ * Returns: whether the selected size is used in the label.
+ *
+ * Since: 2.4
+ */
+gboolean
+gnm_font_button_get_use_size (GnmFontButton *font_button)
+{
+ g_return_val_if_fail (GTK_IS_FONT_BUTTON (font_button), FALSE);
+
+ return font_button->priv->use_size;
+}
+
+/**
+ * gnm_font_button_set_use_size:
+ * @font_button: a #GnmFontButton
+ * @use_size: If %TRUE, font name will be written using the selected size.
+ *
+ * If @use_size is %TRUE, the font name will be written using the selected size.
+ *
+ * Since: 2.4
+ */
+void
+gnm_font_button_set_use_size (GnmFontButton *font_button,
+ gboolean use_size)
+{
+ g_return_if_fail (GTK_IS_FONT_BUTTON (font_button));
+
+ use_size = (use_size != FALSE);
+ if (font_button->priv->use_size != use_size)
+ {
+ font_button->priv->use_size = use_size;
+
+ gnm_font_button_label_use_font (font_button);
+
+ g_object_notify (G_OBJECT (font_button), "use-size");
+ }
+}
+
+/**
+ * gnm_font_button_get_show_style:
+ * @font_button: a #GnmFontButton
+ *
+ * Returns whether the name of the font style will be shown in the label.
+ *
+ * Return value: whether the font style will be shown in the label.
+ *
+ * Since: 2.4
+ **/
+gboolean
+gnm_font_button_get_show_style (GnmFontButton *font_button)
+{
+ g_return_val_if_fail (GTK_IS_FONT_BUTTON (font_button), FALSE);
+
+ return font_button->priv->show_style;
+}
+
+/**
+ * gnm_font_button_set_show_style:
+ * @font_button: a #GnmFontButton
+ * @show_style: %TRUE if font style should be displayed in label.
+ *
+ * If @show_style is %TRUE, the font style will be displayed along with name of the selected font.
+ *
+ * Since: 2.4
+ */
+void
+gnm_font_button_set_show_style (GnmFontButton *font_button,
+ gboolean show_style)
+{
+ g_return_if_fail (GTK_IS_FONT_BUTTON (font_button));
+
+ show_style = (show_style != FALSE);
+ if (font_button->priv->show_style != show_style)
+ {
+ font_button->priv->show_style = show_style;
+
+ gnm_font_button_update_font_info (font_button);
+
+ g_object_notify (G_OBJECT (font_button), "show-style");
+ }
+}
+
+
+/**
+ * gnm_font_button_get_show_size:
+ * @font_button: a #GnmFontButton
+ *
+ * Returns whether the font size will be shown in the label.
+ *
+ * Return value: whether the font size will be shown in the label.
+ *
+ * Since: 2.4
+ **/
+gboolean
+gnm_font_button_get_show_size (GnmFontButton *font_button)
+{
+ g_return_val_if_fail (GTK_IS_FONT_BUTTON (font_button), FALSE);
+
+ return font_button->priv->show_size;
+}
+
+/**
+ * gnm_font_button_set_show_size:
+ * @font_button: a #GnmFontButton
+ * @show_size: %TRUE if font size should be displayed in dialog.
+ *
+ * If @show_size is %TRUE, the font size will be displayed along with the name of the selected font.
+ *
+ * Since: 2.4
+ */
+void
+gnm_font_button_set_show_size (GnmFontButton *font_button,
+ gboolean show_size)
+{
+ g_return_if_fail (GTK_IS_FONT_BUTTON (font_button));
+
+ show_size = (show_size != FALSE);
+
+ if (font_button->priv->show_size != show_size)
+ {
+ font_button->priv->show_size = show_size;
+
+ gtk_container_remove (GTK_CONTAINER (font_button), font_button->priv->inside);
+ font_button->priv->inside = gnm_font_button_create_inside (font_button);
+ gtk_container_add (GTK_CONTAINER (font_button), font_button->priv->inside);
+
+ gnm_font_button_update_font_info (font_button);
+
+ g_object_notify (G_OBJECT (font_button), "show-size");
+ }
+}
+
+
+/**
+ * gnm_font_button_get_font_name:
+ * @font_button: a #GnmFontButton
+ *
+ * Retrieves the name of the currently selected font. This name includes
+ * style and size information as well. If you want to render something
+ * with the font, use this string with pango_font_description_from_string() .
+ * If you're interested in peeking certain values (family name,
+ * style, size, weight) just query these properties from the
+ * #PangoFontDescription object.
+ *
+ * Returns: an internal copy of the font name which must not be freed.
+ *
+ * Since: 2.4
+ */
+const gchar *
+gnm_font_button_get_font_name (GnmFontButton *font_button)
+{
+ g_return_val_if_fail (GTK_IS_FONT_BUTTON (font_button), NULL);
+
+ return font_button->priv->fontname;
+}
+
+/**
+ * gnm_font_button_set_font_name:
+ * @font_button: a #GnmFontButton
+ * @fontname: Name of font to display in font chooser dialog
+ *
+ * Sets or updates the currently-displayed font in font picker dialog.
+ *
+ * Returns: %TRUE
+ *
+ * Since: 2.4
+ */
+gboolean
+gnm_font_button_set_font_name (GnmFontButton *font_button,
+ const gchar *fontname)
+{
+ PangoFontDescription *font_desc;
+
+ g_return_val_if_fail (GTK_IS_FONT_BUTTON (font_button), FALSE);
+ g_return_val_if_fail (fontname != NULL, FALSE);
+
+ font_desc = pango_font_description_from_string (fontname);
+ gnm_font_button_take_font_desc (font_button, font_desc);
+
+ return TRUE;
+}
+
+static void
+gnm_font_button_clicked (GtkButton *button)
+{
+ GtkFontChooser *font_dialog;
+ GnmFontButton *font_button = GNM_FONT_BUTTON (button);
+ GnmFontButtonPrivate *priv = font_button->priv;
+
+ if (!font_button->priv->font_dialog)
+ {
+ GtkWidget *parent;
+
+ parent = gtk_widget_get_toplevel (GTK_WIDGET (font_button));
+
+ priv->font_dialog = g_object_new (priv->dialog_type, NULL);
+ font_dialog = GTK_FONT_CHOOSER (font_button->priv->font_dialog);
+
+ gtk_font_chooser_set_show_preview_entry (font_dialog, priv->show_preview_entry);
+
+ if (priv->preview_text)
+ {
+ gtk_font_chooser_set_preview_text (font_dialog, priv->preview_text);
+ g_free (priv->preview_text);
+ priv->preview_text = NULL;
+ }
+
+ if (priv->font_filter)
+ {
+ gtk_font_chooser_set_filter_func (font_dialog,
+ priv->font_filter,
+ priv->font_filter_data,
+ priv->font_filter_data_destroy);
+ priv->font_filter = NULL;
+ priv->font_filter_data = NULL;
+ priv->font_filter_data_destroy = NULL;
+ }
+
+ if (gtk_widget_is_toplevel (parent) && GTK_IS_WINDOW (parent))
+ {
+ if (GTK_WINDOW (parent) != gtk_window_get_transient_for (GTK_WINDOW (font_dialog)))
+ gtk_window_set_transient_for (GTK_WINDOW (font_dialog), GTK_WINDOW (parent));
+
+ gtk_window_set_modal (GTK_WINDOW (font_dialog),
+ gtk_window_get_modal (GTK_WINDOW (parent)));
+ }
+
+ g_signal_connect (font_dialog, "notify",
+ G_CALLBACK (gnm_font_button_font_chooser_notify), button);
+
+ g_signal_connect (font_dialog, "response",
+ G_CALLBACK (response_cb), font_button);
+
+ g_signal_connect (font_dialog, "destroy",
+ G_CALLBACK (dialog_destroy), font_button);
+ }
+
+ if (!gtk_widget_get_visible (font_button->priv->font_dialog))
+ {
+ font_dialog = GTK_FONT_CHOOSER (font_button->priv->font_dialog);
+ gtk_font_chooser_set_font_desc (font_dialog, font_button->priv->font_desc);
+ }
+
+ gtk_window_present (GTK_WINDOW (font_button->priv->font_dialog));
+}
+
+
+static void
+response_cb (GtkDialog *dialog,
+ gint response_id,
+ gpointer data)
+{
+ GnmFontButton *font_button = GNM_FONT_BUTTON (data);
+ GnmFontButtonPrivate *priv = font_button->priv;
+ GtkFontChooser *font_chooser;
+ GObject *object;
+
+ gtk_widget_hide (font_button->priv->font_dialog);
+
+ if (response_id != GTK_RESPONSE_OK)
+ return;
+
+ font_chooser = GTK_FONT_CHOOSER (priv->font_dialog);
+ object = G_OBJECT (font_chooser);
+
+ g_object_freeze_notify (object);
+
+ clear_font_data (font_button);
+
+ priv->font_desc = gtk_font_chooser_get_font_desc (font_chooser);
+ if (priv->font_desc)
+ priv->fontname = pango_font_description_to_string (priv->font_desc);
+ priv->font_family = gtk_font_chooser_get_font_family (font_chooser);
+ if (priv->font_family)
+ g_object_ref (priv->font_family);
+ priv->font_face = gtk_font_chooser_get_font_face (font_chooser);
+ if (priv->font_face)
+ g_object_ref (priv->font_face);
+ priv->font_size = gtk_font_chooser_get_font_size (font_chooser);
+
+ /* Set label font */
+ gnm_font_button_update_font_info (font_button);
+
+ g_object_notify (G_OBJECT (font_button), "font");
+ g_object_notify (G_OBJECT (font_button), "font-desc");
+ g_object_notify (G_OBJECT (font_button), "font-name");
+
+ g_object_thaw_notify (object);
+
+ /* Emit font_set signal */
+ g_signal_emit (font_button, font_button_signals[FONT_SET], 0);
+}
+
+static void
+dialog_destroy (GtkWidget *widget,
+ gpointer data)
+{
+ GnmFontButton *font_button = GNM_FONT_BUTTON (data);
+
+ /* Dialog will get destroyed so reference is not valid now */
+ font_button->priv->font_dialog = NULL;
+}
+
+static GtkWidget *
+gnm_font_button_create_inside (GnmFontButton *font_button)
+{
+ GtkWidget *widget;
+
+ gtk_widget_push_composite_child ();
+
+ widget = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+
+ font_button->priv->font_label = gtk_label_new (_("Font"));
+
+ gtk_label_set_justify (GTK_LABEL (font_button->priv->font_label), GTK_JUSTIFY_LEFT);
+ gtk_box_pack_start (GTK_BOX (widget), font_button->priv->font_label, TRUE, TRUE, 5);
+
+ if (font_button->priv->show_size)
+ {
+ gtk_box_pack_start (GTK_BOX (widget), gtk_separator_new (GTK_ORIENTATION_VERTICAL), FALSE, FALSE, 0);
+ font_button->priv->size_label = gtk_label_new ("14");
+ gtk_box_pack_start (GTK_BOX (widget), font_button->priv->size_label, FALSE, FALSE, 5);
+ }
+
+ gtk_widget_show_all (widget);
+
+ gtk_widget_pop_composite_child ();
+
+ return widget;
+}
+
+static void
+gnm_font_button_label_use_font (GnmFontButton *font_button)
+{
+ PangoFontDescription *desc;
+
+ if (font_button->priv->use_font)
+ {
+ desc = pango_font_description_copy (font_button->priv->font_desc);
+
+ if (!font_button->priv->use_size)
+ pango_font_description_unset_fields (desc, PANGO_FONT_MASK_SIZE);
+ }
+ else
+ desc = NULL;
+
+ gtk_widget_override_font (font_button->priv->font_label, desc);
+
+ if (desc)
+ pango_font_description_free (desc);
+}
+
+static void
+gnm_font_button_update_font_info (GnmFontButton *font_button)
+{
+ GnmFontButtonPrivate *priv = font_button->priv;
+ gchar *family_style;
+
+ g_assert (priv->font_desc != NULL);
+
+ if (priv->show_style)
+ {
+ PangoFontDescription *desc = pango_font_description_copy_static (priv->font_desc);
+
+ pango_font_description_unset_fields (desc, PANGO_FONT_MASK_SIZE);
+ family_style = pango_font_description_to_string (desc);
+ pango_font_description_free (desc);
+ }
+ else
+ family_style = g_strdup (pango_font_description_get_family (priv->font_desc));
+
+ gtk_label_set_text (GTK_LABEL (font_button->priv->font_label), family_style);
+ g_free (family_style);
+
+ if (font_button->priv->show_size)
+ {
+ /* mirror Pango, which doesn't translate this either */
+ gchar *size = g_strdup_printf ("%g%s",
+ pango_font_description_get_size (priv->font_desc) / (double)PANGO_SCALE,
+ pango_font_description_get_size_is_absolute (priv->font_desc) ? "px" :
"");
+
+ gtk_label_set_text (GTK_LABEL (font_button->priv->size_label), size);
+
+ g_free (size);
+ }
+
+ gnm_font_button_label_use_font (font_button);
+}
diff --git a/src/widgets/gnm-fontbutton.h b/src/widgets/gnm-fontbutton.h
new file mode 100644
index 0000000..e1288bd
--- /dev/null
+++ b/src/widgets/gnm-fontbutton.h
@@ -0,0 +1,94 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1998 David Abilleira Freijeiro <odaf nexo es>
+ * All rights reserved
+ * Based on gnome-color-picker by Federico Mena <federico nuclecu unam mx>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+/*
+ * Modified by the GTK+ Team and others 2003. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#ifndef __GNM_FONT_BUTTON_H__
+#define __GNM_FONT_BUTTON_H__
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+/* GnmFontButton is a button widget that allow user to select a font.
+ */
+
+#define GNM_TYPE_FONT_BUTTON (gnm_font_button_get_type ())
+#define GNM_FONT_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GNM_TYPE_FONT_BUTTON,
GnmFontButton))
+#define GNM_FONT_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GNM_TYPE_FONT_BUTTON,
GnmFontButtonClass))
+#define GNM_IS_FONT_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GNM_TYPE_FONT_BUTTON))
+#define GNM_IS_FONT_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GNM_TYPE_FONT_BUTTON))
+#define GNM_FONT_BUTTON_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GNM_TYPE_FONT_BUTTON,
GnmFontButtonClass))
+
+typedef struct _GnmFontButton GnmFontButton;
+typedef struct _GnmFontButtonClass GnmFontButtonClass;
+typedef struct _GnmFontButtonPrivate GnmFontButtonPrivate;
+
+struct _GnmFontButton {
+ GtkButton button;
+
+ /*< private >*/
+ GnmFontButtonPrivate *priv;
+};
+
+struct _GnmFontButtonClass {
+ GtkButtonClass parent_class;
+
+ /* font_set signal is emitted when font is chosen */
+ void (* font_set) (GnmFontButton *gfp);
+
+ /* Padding for future expansion */
+ void (*_gtk_reserved1) (void);
+ void (*_gtk_reserved2) (void);
+ void (*_gtk_reserved3) (void);
+ void (*_gtk_reserved4) (void);
+};
+
+
+GType gnm_font_button_get_type (void) G_GNUC_CONST;
+GtkWidget *gnm_font_button_new (void);
+GtkWidget *gnm_font_button_new_with_font (const gchar *fontname);
+
+const gchar * gnm_font_button_get_title (GnmFontButton *font_button);
+void gnm_font_button_set_title (GnmFontButton *font_button,
+ const gchar *title);
+gboolean gnm_font_button_get_use_font (GnmFontButton *font_button);
+void gnm_font_button_set_use_font (GnmFontButton *font_button,
+ gboolean use_font);
+gboolean gnm_font_button_get_use_size (GnmFontButton *font_button);
+void gnm_font_button_set_use_size (GnmFontButton *font_button,
+ gboolean use_size);
+const gchar * gnm_font_button_get_font_name (GnmFontButton *font_button);
+gboolean gnm_font_button_set_font_name (GnmFontButton *font_button,
+ const gchar *fontname);
+gboolean gnm_font_button_get_show_style (GnmFontButton *font_button);
+void gnm_font_button_set_show_style (GnmFontButton *font_button,
+ gboolean show_style);
+gboolean gnm_font_button_get_show_size (GnmFontButton *font_button);
+void gnm_font_button_set_show_size (GnmFontButton *font_button,
+ gboolean show_size);
+
+G_END_DECLS
+
+
+#endif /* __GNM_FONT_BUTTON_H__ */
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