GtkFontChooser implementation for GtkFontButton
This commit is contained in:
Christian Persch
parent
eb2a54decf
commit
ca4152995a
@ -43,6 +43,7 @@
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#include <string.h>
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#include <stdio.h>
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#include "gtkfontchooserutils.h"
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/**
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@ -67,11 +68,20 @@ struct _GtkFontButtonPrivate
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guint use_size : 1;
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guint show_style : 1;
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guint show_size : 1;
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guint show_preview_entry : 1;
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GtkWidget *font_dialog;
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GtkWidget *inside;
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GtkWidget *font_label;
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GtkWidget *size_label;
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PangoFontFamily *font_family;
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PangoFontFace *font_face;
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gint font_size;
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gchar *preview_text;
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GtkFontFilterFunc font_filter;
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gpointer font_filter_data;
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GDestroyNotify font_filter_data_destroy;
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};
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/* Signals */
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@ -119,7 +129,163 @@ static void gtk_font_button_update_font_info (GtkFontButton *gfs);
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static guint font_button_signals[LAST_SIGNAL] = { 0 };
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G_DEFINE_TYPE (GtkFontButton, gtk_font_button, GTK_TYPE_BUTTON)
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static void
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clear_font_filter_data (GtkFontButton *font_button)
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{
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GtkFontButtonPrivate *priv = font_button->priv;
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if (priv->font_filter_data_destroy)
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priv->font_filter_data_destroy (priv->font_filter_data);
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priv->font_filter = NULL;
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priv->font_filter_data = NULL;
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priv->font_filter_data_destroy = NULL;
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}
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static gchar *
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gtk_font_button_get_preview_text (GtkFontButton *font_button)
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{
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GtkFontButtonPrivate *priv = font_button->priv;
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if (priv->font_dialog)
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return gtk_font_chooser_get_preview_text (GTK_FONT_CHOOSER (priv->font_dialog));
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return g_strdup (priv->preview_text);
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}
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static void
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gtk_font_button_set_preview_text (GtkFontButton *font_button,
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const gchar *preview_text)
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{
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GtkFontButtonPrivate *priv = font_button->priv;
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if (priv->font_dialog)
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{
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gtk_font_chooser_set_preview_text (GTK_FONT_CHOOSER (priv->font_dialog),
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preview_text);
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return;
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}
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g_free (priv->preview_text);
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priv->preview_text = g_strdup (preview_text);
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}
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static gboolean
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gtk_font_button_get_show_preview_entry (GtkFontButton *font_button)
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{
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GtkFontButtonPrivate *priv = font_button->priv;
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if (priv->font_dialog)
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return gtk_font_chooser_get_show_preview_entry (GTK_FONT_CHOOSER (priv->font_dialog));
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return priv->show_preview_entry;
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}
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static void
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gtk_font_button_set_show_preview_entry (GtkFontButton *font_button,
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gboolean show)
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{
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GtkFontButtonPrivate *priv = font_button->priv;
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if (priv->font_dialog)
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return gtk_font_chooser_set_show_preview_entry (GTK_FONT_CHOOSER (priv->font_dialog), show);
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priv->show_preview_entry = show != FALSE;
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}
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static gchar *
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gtk_font_button_font_chooser_get_font (GtkFontChooser *chooser)
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{
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GtkFontButton *font_button = GTK_FONT_BUTTON (chooser);
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return g_strdup (gtk_font_button_get_font_name (font_button));
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}
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static gboolean
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gtk_font_button_font_chooser_set_font (GtkFontChooser *chooser,
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const gchar *fontname)
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{
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GtkFontButton *font_button = GTK_FONT_BUTTON (chooser);
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return gtk_font_button_set_font_name (font_button, fontname);
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}
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static PangoFontFamily *
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gtk_font_button_font_chooser_get_font_family (GtkFontChooser *chooser)
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{
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GtkFontButton *font_button = GTK_FONT_BUTTON (chooser);
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GtkFontButtonPrivate *priv = font_button->priv;
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return priv->font_family;
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}
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static PangoFontFace *
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gtk_font_button_font_chooser_get_font_face (GtkFontChooser *chooser)
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{
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GtkFontButton *font_button = GTK_FONT_BUTTON (chooser);
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GtkFontButtonPrivate *priv = font_button->priv;
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return priv->font_face;
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}
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static int
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gtk_font_button_font_chooser_get_font_size (GtkFontChooser *chooser)
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{
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GtkFontButton *font_button = GTK_FONT_BUTTON (chooser);
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GtkFontButtonPrivate *priv = font_button->priv;
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return priv->font_size;
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}
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static void
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gtk_font_button_font_chooser_set_filter_func (GtkFontChooser *chooser,
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GtkFontFilterFunc filter_func,
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gpointer filter_data,
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GDestroyNotify data_destroy)
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{
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GtkFontButton *font_button = GTK_FONT_BUTTON (chooser);
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GtkFontButtonPrivate *priv = font_button->priv;
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if (priv->font_dialog)
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{
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gtk_font_chooser_set_filter_func (GTK_FONT_CHOOSER (priv->font_dialog),
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filter_func,
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filter_data,
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data_destroy);
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return;
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}
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clear_font_filter_data (font_button);
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priv->font_filter = filter_func;
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priv->font_filter_data = filter_data;
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priv->font_filter_data_destroy = data_destroy;
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}
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static void
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gtk_font_button_font_chooser_notify (GObject *object,
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GParamSpec *pspec,
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gpointer user_data)
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{
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/* We do not forward the notification of the "font" property to the dialog! */
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if (pspec->name == I_("preview-text") ||
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pspec->name == I_("show-preview-entry"))
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g_object_notify_by_pspec (user_data, pspec);
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}
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static void
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gtk_font_button_font_chooser_iface_init (GtkFontChooserIface *iface)
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{
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iface->get_font = gtk_font_button_font_chooser_get_font;
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iface->set_font = gtk_font_button_font_chooser_set_font;
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iface->get_font_family = gtk_font_button_font_chooser_get_font_family;
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iface->get_font_face = gtk_font_button_font_chooser_get_font_face;
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iface->get_font_size = gtk_font_button_font_chooser_get_font_size;
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iface->set_filter_func = gtk_font_button_font_chooser_set_filter_func;
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}
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G_DEFINE_TYPE_WITH_CODE (GtkFontButton, gtk_font_button, GTK_TYPE_BUTTON,
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G_IMPLEMENT_INTERFACE (GTK_TYPE_FONT_CHOOSER,
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gtk_font_button_font_chooser_iface_init))
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static void
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gtk_font_button_class_init (GtkFontButtonClass *klass)
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@ -138,6 +304,8 @@ gtk_font_button_class_init (GtkFontButtonClass *klass)
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klass->font_set = NULL;
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_gtk_font_chooser_install_properties (gobject_class);
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/**
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* GtkFontButton:title:
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*
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@ -273,7 +441,11 @@ gtk_font_button_init (GtkFontButton *font_button)
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font_button->priv->use_size = FALSE;
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font_button->priv->show_style = TRUE;
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font_button->priv->show_size = TRUE;
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font_button->priv->show_preview_entry = FALSE;
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font_button->priv->font_dialog = NULL;
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font_button->priv->font_family = NULL;
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font_button->priv->font_face = NULL;
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font_button->priv->font_size = -1;
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font_button->priv->title = g_strdup (_("Pick a Font"));
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font_button->priv->inside = gtk_font_button_create_inside (font_button);
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@ -297,7 +469,20 @@ gtk_font_button_finalize (GObject *object)
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g_free (font_button->priv->title);
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font_button->priv->title = NULL;
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clear_font_filter_data (font_button);
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g_free (font_button->priv->preview_text);
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font_button->priv->preview_text = NULL;
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if (font_button->priv->font_family)
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g_object_unref (font_button->priv->font_family);
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font_button->priv->font_family = NULL;
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if (font_button->priv->font_face)
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g_object_unref (font_button->priv->font_face);
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font_button->priv->font_face = NULL;
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G_OBJECT_CLASS (gtk_font_button_parent_class)->finalize (object);
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}
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@ -308,12 +493,19 @@ gtk_font_button_set_property (GObject *object,
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GParamSpec *pspec)
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{
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GtkFontButton *font_button = GTK_FONT_BUTTON (object);
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switch (param_id)
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{
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case GTK_FONT_CHOOSER_PROP_PREVIEW_TEXT:
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gtk_font_button_set_preview_text (font_button, g_value_get_string (value));
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break;
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case GTK_FONT_CHOOSER_PROP_SHOW_PREVIEW_ENTRY:
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gtk_font_button_set_show_preview_entry (font_button, g_value_get_boolean (value));
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break;
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case PROP_TITLE:
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gtk_font_button_set_title (font_button, g_value_get_string (value));
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break;
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case GTK_FONT_CHOOSER_PROP_FONT:
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case PROP_FONT_NAME:
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gtk_font_button_set_font_name (font_button, g_value_get_string (value));
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break;
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@ -345,9 +537,16 @@ gtk_font_button_get_property (GObject *object,
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switch (param_id)
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{
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case GTK_FONT_CHOOSER_PROP_PREVIEW_TEXT:
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g_value_set_string (value, gtk_font_button_get_preview_text (font_button));
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break;
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case GTK_FONT_CHOOSER_PROP_SHOW_PREVIEW_ENTRY:
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g_value_set_boolean (value, gtk_font_button_get_show_preview_entry (font_button));
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break;
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case PROP_TITLE:
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g_value_set_string (value, gtk_font_button_get_title (font_button));
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break;
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case GTK_FONT_CHOOSER_PROP_FONT:
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case PROP_FONT_NAME:
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g_value_set_string (value, gtk_font_button_get_font_name (font_button));
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break;
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@ -695,6 +894,7 @@ gtk_font_button_set_font_name (GtkFontButton *font_button,
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else
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result = FALSE;
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g_object_notify (G_OBJECT (font_button), "font");
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g_object_notify (G_OBJECT (font_button), "font-name");
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return result;
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@ -705,18 +905,37 @@ gtk_font_button_clicked (GtkButton *button)
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{
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GtkFontChooser *font_dialog;
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GtkFontButton *font_button = GTK_FONT_BUTTON (button);
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GtkFontButtonPrivate *priv = font_button->priv;
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if (!font_button->priv->font_dialog)
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{
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GtkWidget *parent;
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parent = gtk_widget_get_toplevel (GTK_WIDGET (font_button));
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font_button->priv->font_dialog = gtk_font_chooser_dialog_new (font_button->priv->title,
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NULL);
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priv->font_dialog = gtk_font_chooser_dialog_new (priv->title, NULL);
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font_dialog = GTK_FONT_CHOOSER (font_button->priv->font_dialog);
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gtk_font_chooser_set_show_preview_entry (font_dialog, priv->show_preview_entry);
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if (priv->preview_text)
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{
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gtk_font_chooser_set_preview_text (font_dialog, priv->preview_text);
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g_free (priv->preview_text);
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priv->preview_text = NULL;
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}
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if (priv->font_filter)
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{
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gtk_font_chooser_set_filter_func (font_dialog,
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priv->font_filter,
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priv->font_filter_data,
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priv->font_filter_data_destroy);
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priv->font_filter = NULL;
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priv->font_filter_data = NULL;
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priv->font_filter_data_destroy = NULL;
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}
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if (gtk_widget_is_toplevel (parent) && GTK_IS_WINDOW (parent))
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{
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if (GTK_WINDOW (parent) != gtk_window_get_transient_for (GTK_WINDOW (font_dialog)))
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@ -726,6 +945,9 @@ gtk_font_button_clicked (GtkButton *button)
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gtk_window_get_modal (GTK_WINDOW (parent)));
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}
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g_signal_connect (font_dialog, "notify",
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G_CALLBACK (gtk_font_button_font_chooser_notify), button);
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g_signal_connect (font_dialog, "response",
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G_CALLBACK (response_cb), font_button);
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@ -749,17 +971,37 @@ response_cb (GtkDialog *dialog,
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gpointer data)
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{
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GtkFontButton *font_button = GTK_FONT_BUTTON (data);
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GtkFontButtonPrivate *priv = font_button->priv;
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GtkFontChooser *font_chooser;
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gtk_widget_hide (font_button->priv->font_dialog);
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if (response_id != GTK_RESPONSE_OK)
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return;
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g_free (font_button->priv->fontname);
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font_button->priv->fontname = gtk_font_chooser_get_font (GTK_FONT_CHOOSER (font_button->priv->font_dialog));
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font_chooser = GTK_FONT_CHOOSER (priv->font_dialog);
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g_free (priv->fontname);
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priv->fontname = gtk_font_chooser_get_font (font_chooser);
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if (priv->font_family)
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g_object_unref (priv->font_family);
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priv->font_family = gtk_font_chooser_get_family (font_chooser);
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if (priv->font_family)
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g_object_ref (priv->font_family);
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if (priv->font_face)
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g_object_unref (priv->font_face);
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priv->font_face = gtk_font_chooser_get_face (font_chooser);
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if (priv->font_face)
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g_object_ref (priv->font_face);
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priv->font_size = gtk_font_chooser_get_size (font_chooser);
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/* Set label font */
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gtk_font_button_update_font_info (font_button);
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g_object_notify (G_OBJECT (font_button), "font");
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g_object_notify (G_OBJECT (font_button), "font-name");
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/* Emit font_set signal */
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