diff options
author | Matthias Clasen <matthiasc@src.gnome.org> | 2003-07-01 19:52:07 +0000 |
---|---|---|
committer | Matthias Clasen <matthiasc@src.gnome.org> | 2003-07-01 19:52:07 +0000 |
commit | b0b5e9f90fbe87c7028f6fe722d2c637dec04020 (patch) | |
tree | fe5ddea5cd272bd6fd01631f01816e1b02d103e7 | |
parent | 7f5968aa0781f33918016adfc2eb571efd727451 (diff) | |
download | gtk+-b0b5e9f90fbe87c7028f6fe722d2c637dec04020.tar.gz |
Add color and font picker widgets.
-rw-r--r-- | ChangeLog | 9 | ||||
-rw-r--r-- | ChangeLog.pre-2-10 | 9 | ||||
-rw-r--r-- | ChangeLog.pre-2-4 | 9 | ||||
-rw-r--r-- | ChangeLog.pre-2-6 | 9 | ||||
-rw-r--r-- | ChangeLog.pre-2-8 | 9 | ||||
-rw-r--r-- | gtk/Makefile.am | 5 | ||||
-rw-r--r-- | gtk/gtkcolorbutton.c | 994 | ||||
-rw-r--r-- | gtk/gtkcolorbutton.h | 103 | ||||
-rw-r--r-- | gtk/gtkfontbutton.c | 939 | ||||
-rw-r--r-- | gtk/gtkfontbutton.h | 101 |
10 files changed, 2182 insertions, 5 deletions
@@ -1,6 +1,13 @@ 2003-07-01 Matthias Clasen <maclas@gmx.de> - * gtk/gtk.h: Include gtkexpander.h + * gtk/Makefile.am (gtk_public_h_sources): Add gtkfontbutton.h, gtkcolorbutton.h. + (gtk_c_sources): Add gtkfontbutton.c, gtkcolorbutton.c. + + * gtk/gtkfontbutton.[hc]: New files containing a font picker widget. + + * gtk/gtkcolorbutton.[hc]: New files containing a color picker widget. + + * gtk/gtk.h: Include gtkexpander.h, gtkfontbutton.h, gtkcolorbutton.h. * gtk/gtkexpander.c: Small additions to the docs. diff --git a/ChangeLog.pre-2-10 b/ChangeLog.pre-2-10 index ff6680976b..1bb8aae79e 100644 --- a/ChangeLog.pre-2-10 +++ b/ChangeLog.pre-2-10 @@ -1,6 +1,13 @@ 2003-07-01 Matthias Clasen <maclas@gmx.de> - * gtk/gtk.h: Include gtkexpander.h + * gtk/Makefile.am (gtk_public_h_sources): Add gtkfontbutton.h, gtkcolorbutton.h. + (gtk_c_sources): Add gtkfontbutton.c, gtkcolorbutton.c. + + * gtk/gtkfontbutton.[hc]: New files containing a font picker widget. + + * gtk/gtkcolorbutton.[hc]: New files containing a color picker widget. + + * gtk/gtk.h: Include gtkexpander.h, gtkfontbutton.h, gtkcolorbutton.h. * gtk/gtkexpander.c: Small additions to the docs. diff --git a/ChangeLog.pre-2-4 b/ChangeLog.pre-2-4 index ff6680976b..1bb8aae79e 100644 --- a/ChangeLog.pre-2-4 +++ b/ChangeLog.pre-2-4 @@ -1,6 +1,13 @@ 2003-07-01 Matthias Clasen <maclas@gmx.de> - * gtk/gtk.h: Include gtkexpander.h + * gtk/Makefile.am (gtk_public_h_sources): Add gtkfontbutton.h, gtkcolorbutton.h. + (gtk_c_sources): Add gtkfontbutton.c, gtkcolorbutton.c. + + * gtk/gtkfontbutton.[hc]: New files containing a font picker widget. + + * gtk/gtkcolorbutton.[hc]: New files containing a color picker widget. + + * gtk/gtk.h: Include gtkexpander.h, gtkfontbutton.h, gtkcolorbutton.h. * gtk/gtkexpander.c: Small additions to the docs. diff --git a/ChangeLog.pre-2-6 b/ChangeLog.pre-2-6 index ff6680976b..1bb8aae79e 100644 --- a/ChangeLog.pre-2-6 +++ b/ChangeLog.pre-2-6 @@ -1,6 +1,13 @@ 2003-07-01 Matthias Clasen <maclas@gmx.de> - * gtk/gtk.h: Include gtkexpander.h + * gtk/Makefile.am (gtk_public_h_sources): Add gtkfontbutton.h, gtkcolorbutton.h. + (gtk_c_sources): Add gtkfontbutton.c, gtkcolorbutton.c. + + * gtk/gtkfontbutton.[hc]: New files containing a font picker widget. + + * gtk/gtkcolorbutton.[hc]: New files containing a color picker widget. + + * gtk/gtk.h: Include gtkexpander.h, gtkfontbutton.h, gtkcolorbutton.h. * gtk/gtkexpander.c: Small additions to the docs. diff --git a/ChangeLog.pre-2-8 b/ChangeLog.pre-2-8 index ff6680976b..1bb8aae79e 100644 --- a/ChangeLog.pre-2-8 +++ b/ChangeLog.pre-2-8 @@ -1,6 +1,13 @@ 2003-07-01 Matthias Clasen <maclas@gmx.de> - * gtk/gtk.h: Include gtkexpander.h + * gtk/Makefile.am (gtk_public_h_sources): Add gtkfontbutton.h, gtkcolorbutton.h. + (gtk_c_sources): Add gtkfontbutton.c, gtkcolorbutton.c. + + * gtk/gtkfontbutton.[hc]: New files containing a font picker widget. + + * gtk/gtkcolorbutton.[hc]: New files containing a color picker widget. + + * gtk/gtk.h: Include gtkexpander.h, gtkfontbutton.h, gtkcolorbutton.h. * gtk/gtkexpander.c: Small additions to the docs. diff --git a/gtk/Makefile.am b/gtk/Makefile.am index e9b00fdb2f..b9d616d0c3 100644 --- a/gtk/Makefile.am +++ b/gtk/Makefile.am @@ -109,6 +109,8 @@ gtk_public_h_sources = \ gtkcheckmenuitem.h \ gtkclipboard.h \ gtkclist.h \ + gtkclipboard.h \ + gtkcolorbutton.h \ gtkcolorsel.h \ gtkcolorseldialog.h \ gtkcombo.h \ @@ -126,6 +128,7 @@ gtk_public_h_sources = \ gtkexpander.h \ gtkfilesel.h \ gtkfixed.h \ + gtkfontbutton.h \ gtkfontsel.h \ gtkframe.h \ gtkgamma.h \ @@ -282,6 +285,7 @@ gtk_c_sources = \ gtkseparatormenuitem.c \ gtkclipboard.c \ gtkclist.c \ + gtkcolorbutton.c \ gtkcolorsel.c \ gtkcolorseldialog.c \ gtkcombo.c \ @@ -297,6 +301,7 @@ gtk_c_sources = \ gtkexpander.c \ gtkfilesel.c \ gtkfixed.c \ + gtkfontbutton.c \ gtkfontsel.c \ gtkframe.c \ gtkgamma.c \ diff --git a/gtk/gtkcolorbutton.c b/gtk/gtkcolorbutton.c new file mode 100644 index 0000000000..b3151a3a5e --- /dev/null +++ b/gtk/gtkcolorbutton.c @@ -0,0 +1,994 @@ +/* + * GTK - The GIMP Toolkit + * Copyright (C) 1998, 1999 Red Hat, Inc. + * All rights reserved. + * + * 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 the Gnome Library; see the file COPYING.LIB. If not, + * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ +/* Color picker button for GNOME + * + * Author: Federico Mena <federico@nuclecu.unam.mx> + * + * 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 <config.h> + +#include "gtkcolorbutton.h" +#include "gdk/gdkkeysyms.h" +#include "gdk-pixbuf/gdk-pixbuf.h" +#include "gtkbutton.h" +#include "gtkmain.h" +#include "gtkalignment.h" +#include "gtkcolorsel.h" +#include "gtkcolorseldialog.h" +#include "gtkdnd.h" +#include "gtkdrawingarea.h" +#include "gtkframe.h" +#include "gtksignal.h" +#include "gtkmarshalers.h" +#include "gtkintl.h" + +/* Size of checks and gray levels for alpha compositing checkerboard */ +#define CHECK_SIZE 4 +#define CHECK_DARK 21845 /* 65535 / 3 */ +#define CHECK_LIGHT 43690 + +struct _GtkColorButtonPrivate +{ + GdkPixbuf *pixbuf; /* Pixbuf for rendering sample */ + GdkGC *gc; /* GC for drawing */ + + GtkWidget *drawing_area;/* Drawing area for color sample */ + GtkWidget *cs_dialog; /* Color selection dialog */ + + gchar *title; /* Title for the color selection window */ + + GdkColor color; + guint16 alpha; + + guint use_alpha : 1; /* Use alpha or not */ +}; + +/* Properties */ +enum +{ + PROP_0, + PROP_USE_ALPHA, + PROP_TITLE, + PROP_COLOR, + PROP_ALPHA +}; + +/* Signals */ +enum +{ + COLOR_SET, + LAST_SIGNAL +}; + +static void gtk_color_button_class_init (GtkColorButtonClass *klass); +static void gtk_color_button_init (GtkColorButton *color_button); + +/* gobject signals */ +static void gtk_color_button_finalize (GObject *object); +static void gtk_color_button_set_property (GObject *object, + guint param_id, + const GValue *value, + GParamSpec *pspec); +static void gtk_color_button_get_property (GObject *object, + guint param_id, + GValue *value, + GParamSpec *pspec); + +/* gtkwidget signals */ +static void gtk_color_button_realize (GtkWidget *widget); +static void gtk_color_button_state_changed (GtkWidget *widget, + GtkStateType previous_state); +static void gtk_color_button_style_set (GtkWidget *widget, + GtkStyle *previous_style); + +/* gtkbutton signals */ +static void gtk_color_button_clicked (GtkButton *button); + +/* source side drag signals */ +static void gtk_color_button_drag_begin (GtkWidget *widget, + GdkDragContext *context, + gpointer data); +static void gtk_color_button_drag_data_get (GtkWidget *widget, + GdkDragContext *context, + GtkSelectionData *selection_data, + guint info, + guint time, + GtkColorButton *color_button); + +/* target side drag signals */ +static void gtk_color_button_drag_data_received (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + GtkSelectionData *selection_data, + guint info, + guint32 time, + GtkColorButton *color_button); + + +static gpointer parent_class = NULL; +static guint color_button_signals[LAST_SIGNAL] = { 0 }; + +static GtkTargetEntry drop_types[] = { { "application/x-color", 0, 0 } }; + +GType +gtk_color_button_get_type (void) +{ + static GType color_button_type = 0; + + if (!color_button_type) + { + static const GTypeInfo color_button_info = + { + sizeof (GtkColorButtonClass), + NULL, /* base_init */ + NULL, /* base_finalize */ + (GClassInitFunc) gtk_color_button_class_init, + NULL, /* class_finalize */ + NULL, /* class_data */ + sizeof (GtkColorButton), + 0, /* n_preallocs */ + (GInstanceInitFunc) gtk_color_button_init, + }; + + color_button_type = + g_type_register_static (GTK_TYPE_BUTTON, "GtkColorButton", + &color_button_info, 0); + } + + return color_button_type; +} + +static void +gtk_color_button_class_init (GtkColorButtonClass *klass) +{ + GObjectClass *gobject_class; + GtkObjectClass *object_class; + GtkWidgetClass *widget_class; + GtkButtonClass *button_class; + + gobject_class = G_OBJECT_CLASS (klass); + object_class = GTK_OBJECT_CLASS (klass); + widget_class = GTK_WIDGET_CLASS (klass); + button_class = GTK_BUTTON_CLASS (klass); + + parent_class = g_type_class_peek_parent (klass); + + gobject_class->get_property = gtk_color_button_get_property; + gobject_class->set_property = gtk_color_button_set_property; + gobject_class->finalize = gtk_color_button_finalize; + widget_class->state_changed = gtk_color_button_state_changed; + widget_class->realize = gtk_color_button_realize; + widget_class->style_set = gtk_color_button_style_set; + button_class->clicked = gtk_color_button_clicked; + klass->color_set = NULL; + + /** + * GtkColorButton:use-alpha: + * + * If this property is set to %TRUE, the color swatch on the button is rendered against a + * checkerboard background to show its opacity and the opacity slider is displayed in the + * color selection dialog. + * + * Since: 2.4 + */ + g_object_class_install_property (gobject_class, + PROP_USE_ALPHA, + g_param_spec_boolean ("use_alpha", _("Use alpha"), + _("Whether or not to give the color an alpha value"), + FALSE, + (G_PARAM_READABLE | G_PARAM_WRITABLE))); + + /** + * GtkColorButton:title: + * + * The title of the color selection dialog + * + * Since: 2.4 + */ + g_object_class_install_property (gobject_class, + PROP_TITLE, + g_param_spec_string ("title", + _("Title"), + _("The title of the color selection dialog"), + _("Pick a color"), + (G_PARAM_READABLE | G_PARAM_WRITABLE))); + + /** + * GtkColorButton:color: + * + * The selected color. + * + * Since: 2.4 + */ + g_object_class_install_property (gobject_class, + PROP_COLOR, + g_param_spec_boxed ("color", + _("Current Color"), + _("The selected color"), + GDK_TYPE_COLOR, + G_PARAM_READABLE | G_PARAM_WRITABLE)); + + /** + * GtkColorButton:alpha: + * + * The selected opacity value (0 fully transparent, 65535 fully opaque). + * + * Since: 2.4 + */ + g_object_class_install_property (gobject_class, + PROP_ALPHA, + g_param_spec_uint ("alpha", + _("Current Alpha"), + _("The selected opacity value (0 fully transparent, 65535 fully opaque)"), + 0, 65535, 65535, + G_PARAM_READABLE | G_PARAM_WRITABLE)); + + /** + * GtkColorButton::color-set: + * @widget: the object which received the signal. + * + * The ::color-set signal is emitted when the user selects a color. When handling this signal, + * use gtk_color_button_get_color() and gtk_color_button_get_alpha() to find out which color + * was just selected. + * + * Since: 2.4 + */ + color_button_signals[COLOR_SET] = g_signal_new ("color_set", + G_TYPE_FROM_CLASS (gobject_class), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GtkColorButtonClass, color_set), + NULL, NULL, + _gtk_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + g_type_class_add_private (gobject_class, sizeof (GtkColorButtonPrivate)); +} + +static void +render (GtkColorButton *color_button) +{ + gint dark_r, dark_g, dark_b; + gint light_r, light_g, light_b; + gint i, j, rowstride; + gint width, height; + gint c1[3], c2[3]; + guchar *pixels; + guint8 insensitive_r = 0; + guint8 insensitive_g = 0; + guint8 insensitive_b = 0; + + width = color_button->priv->drawing_area->allocation.width; + height = color_button->priv->drawing_area->allocation.height; + if (color_button->priv->pixbuf == NULL || + gdk_pixbuf_get_width (color_button->priv->pixbuf) != width || + gdk_pixbuf_get_height (color_button->priv->pixbuf) != height) + { + if (color_button->priv->pixbuf != NULL) + g_object_unref (color_button->priv->pixbuf); + color_button->priv->pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, width, height); + } + + + /* Compute dark and light check colors */ + + insensitive_r = GTK_WIDGET(color_button)->style->bg[GTK_STATE_INSENSITIVE].red >> 8; + insensitive_g = GTK_WIDGET(color_button)->style->bg[GTK_STATE_INSENSITIVE].green >> 8; + insensitive_b = GTK_WIDGET(color_button)->style->bg[GTK_STATE_INSENSITIVE].blue >> 8; + + if (color_button->priv->use_alpha) + { + dark_r = ((CHECK_DARK << 16) + (color_button->priv->color.red - CHECK_DARK) * color_button->priv->alpha) >> 24; + dark_g = ((CHECK_DARK << 16) + (color_button->priv->color.green - CHECK_DARK) * color_button->priv->alpha) >> 24; + dark_b = ((CHECK_DARK << 16) + (color_button->priv->color.blue - CHECK_DARK) * color_button->priv->alpha) >> 24; + + light_r = ((CHECK_LIGHT << 16) + (color_button->priv->color.red - CHECK_LIGHT) * color_button->priv->alpha) >> 24; + light_g = ((CHECK_LIGHT << 16) + (color_button->priv->color.green - CHECK_LIGHT) * color_button->priv->alpha) >> 24; + light_b = ((CHECK_LIGHT << 16) + (color_button->priv->color.blue - CHECK_LIGHT) * color_button->priv->alpha) >> 24; + } + else + { + dark_r = light_r = color_button->priv->color.red >> 8; + dark_g = light_g = color_button->priv->color.green >> 8; + dark_b = light_b = color_button->priv->color.blue >> 8; + } + + /* Fill image buffer */ + pixels = gdk_pixbuf_get_pixels (color_button->priv->pixbuf); + rowstride = gdk_pixbuf_get_rowstride (color_button->priv->pixbuf); + for (j = 0; j < height; j++) + { + if ((j / CHECK_SIZE) & 1) + { + c1[0] = dark_r; + c1[1] = dark_g; + c1[2] = dark_b; + + c2[0] = light_r; + c2[1] = light_g; + c2[2] = light_b; + } + else + { + c1[0] = light_r; + c1[1] = light_g; + c1[2] = light_b; + + c2[0] = dark_r; + c2[1] = dark_g; + c2[2] = dark_b; + } + + for (i = 0; i < width; i++) + { + if (!GTK_WIDGET_SENSITIVE (GTK_WIDGET (color_button)) && (i+j)%2) + { + *(pixels + j * rowstride + i * 3) = insensitive_r; + *(pixels + j * rowstride + i * 3 + 1) = insensitive_g; + *(pixels + j * rowstride + i * 3 + 2) = insensitive_b; + } + else if ((i / CHECK_SIZE) & 1) + { + *(pixels + j * rowstride + i * 3) = c1[0]; + *(pixels + j * rowstride + i * 3 + 1) = c1[1]; + *(pixels + j * rowstride + i * 3 + 2) = c1[2]; + } + else + { + *(pixels + j * rowstride + i * 3) = c2[0]; + *(pixels + j * rowstride + i * 3 + 1) = c2[1]; + *(pixels + j * rowstride + i * 3 + 2) = c2[2]; + } + } + } +} + +/* Handle exposure events for the color picker's drawing area */ +static gint +expose_event (GtkWidget *widget, + GdkEventExpose *event, + gpointer data) +{ + GtkColorButton *color_button = GTK_COLOR_BUTTON (data); + + gint width = color_button->priv->drawing_area->allocation.width; + gint height = color_button->priv->drawing_area->allocation.height; + + if (color_button->priv->pixbuf == NULL || + width != gdk_pixbuf_get_width (color_button->priv->pixbuf) || + height != gdk_pixbuf_get_height (color_button->priv->pixbuf)) + render (color_button); + + gdk_draw_pixbuf (widget->window, + color_button->priv->gc, + color_button->priv->pixbuf, + event->area.x, + event->area.y, + event->area.x, + event->area.y, + event->area.width, + event->area.height, + GDK_RGB_DITHER_MAX, + event->area.x, + event->area.y); + return FALSE; +} + +static void +gtk_color_button_realize (GtkWidget *widget) +{ + GtkColorButton *color_button = GTK_COLOR_BUTTON (widget); + + GTK_WIDGET_CLASS (parent_class)->realize (widget); + + if (color_button->priv->gc == NULL) + color_button->priv->gc = gdk_gc_new (widget->window); + + render (color_button); +} + +static void +gtk_color_button_style_set (GtkWidget *widget, + GtkStyle *previous_style) +{ + GtkColorButton *color_button = GTK_COLOR_BUTTON (widget); + + GTK_WIDGET_CLASS (parent_class)->style_set (widget, previous_style); + + if (GTK_WIDGET_REALIZED (widget)) + { + if (color_button->priv->pixbuf != NULL) + g_object_unref (color_button->priv->pixbuf); + color_button->priv->pixbuf = NULL; + } +} + +static void +gtk_color_button_state_changed (GtkWidget *widget, + GtkStateType previous_state) +{ + GtkColorButton *color_button = GTK_COLOR_BUTTON (widget); + + if (widget->state == GTK_STATE_INSENSITIVE || previous_state == GTK_STATE_INSENSITIVE) + { + if (color_button->priv->pixbuf != NULL) + g_object_unref (color_button->priv->pixbuf); + color_button->priv->pixbuf = NULL; + } +} + +static void +gtk_color_button_drag_data_received (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + GtkSelectionData *selection_data, + guint info, + guint32 time, + GtkColorButton *color_button) +{ + guint16 *dropped; + + if (selection_data->length < 0) + return; + + if ((selection_data->format != 16) || + (selection_data->length != 8)) + { + g_warning (_("Received invalid color data\n")); + return; + } + + + dropped = (guint16 *)selection_data->data; + + color_button->priv->color.red = dropped[0]; + color_button->priv->color.green = dropped[1]; + color_button->priv->color.blue = dropped[2]; + color_button->priv->alpha = dropped[3]; + + if (color_button->priv->pixbuf != NULL) + g_object_unref (color_button->priv->pixbuf); + color_button->priv->pixbuf = NULL; + + gtk_widget_queue_draw (color_button->priv->drawing_area); + + g_signal_emit (color_button, color_button_signals[COLOR_SET], 0); + + g_object_freeze_notify (G_OBJECT (color_button)); + g_object_notify (G_OBJECT (color_button), "color"); + g_object_notify (G_OBJECT (color_button), "alpha"); + g_object_thaw_notify (G_OBJECT (color_button)); +} + +static void +set_color_icon (GdkDragContext *context, + GdkColor *color) +{ + GdkPixbuf *pixbuf; + guint32 pixel; + + pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, + 8, 48, 32); + + pixel = ((color->red & 0xff00) << 16) | + ((color->green & 0xff00) << 8) | + (color->blue & 0xff00); + + gdk_pixbuf_fill (pixbuf, pixel); + + gtk_drag_set_icon_pixbuf (context, pixbuf, -2, -2); + g_object_unref (pixbuf); +} + +static void +gtk_color_button_drag_begin (GtkWidget *widget, + GdkDragContext *context, + gpointer data) +{ + GtkColorButton *color_button = data; + + set_color_icon (context, &color_button->priv->color); +} + +static void +gtk_color_button_drag_data_get (GtkWidget *widget, + GdkDragContext *context, + GtkSelectionData *selection_data, + guint info, + guint time, + GtkColorButton *color_button) +{ + guint16 dropped[4]; + + dropped[0] = color_button->priv->color.red; + dropped[1] = color_button->priv->color.green; + dropped[2] = color_button->priv->color.blue; + dropped[3] = color_button->priv->alpha; + + gtk_selection_data_set (selection_data, selection_data->target, + 16, (guchar *)dropped, 8); +} + +static void +gtk_color_button_init (GtkColorButton *color_button) +{ + GtkWidget *alignment; + GtkWidget *frame; + PangoLayout *layout; + PangoRectangle rect; + + /* Create the widgets */ + color_button->priv = GTK_COLOR_BUTTON_GET_PRIVATE (color_button); + + gtk_widget_push_composite_child (); + + alignment = gtk_alignment_new (0.5, 0.5, 0.5, 1.0); + gtk_container_set_border_width (GTK_CONTAINER (alignment), 1); + gtk_container_add (GTK_CONTAINER (color_button), alignment); + gtk_widget_show (alignment); + + frame = gtk_frame_new (NULL); + gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_OUT); + gtk_container_add (GTK_CONTAINER (alignment), frame); + gtk_widget_show (frame); + + color_button->priv->drawing_area = gtk_drawing_area_new (); + + layout = gtk_widget_create_pango_layout (GTK_WIDGET (color_button), "Black"); + pango_layout_get_pixel_extents (layout, NULL, &rect); + gtk_widget_set_size_request (color_button->priv->drawing_area, rect.width - 2, rect.height - 2); + g_signal_connect (color_button->priv->drawing_area, "expose_event", + G_CALLBACK (expose_event), color_button); + gtk_container_add (GTK_CONTAINER (frame), color_button->priv->drawing_area); + gtk_widget_show (color_button->priv->drawing_area); + + color_button->priv->title = g_strdup (_("Pick a color")); /* default title */ + + /* Create the buffer for the image so that we can create an image. + * Also create the picker's pixmap. + */ + color_button->priv->pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, rect.width, rect.height); + + color_button->priv->gc = NULL; + + /* Start with opaque black, alpha disabled */ + + color_button->priv->color.red = 0; + color_button->priv->color.green = 0; + color_button->priv->color.blue = 0; + color_button->priv->alpha = 65535; + color_button->priv->use_alpha = FALSE; + + gtk_drag_dest_set (GTK_WIDGET (color_button), + GTK_DEST_DEFAULT_MOTION | + GTK_DEST_DEFAULT_HIGHLIGHT | + GTK_DEST_DEFAULT_DROP, + drop_types, 1, GDK_ACTION_COPY); + gtk_drag_source_set (GTK_WIDGET(color_button), + GDK_BUTTON1_MASK|GDK_BUTTON3_MASK, + drop_types, 1, + GDK_ACTION_COPY); + g_signal_connect (color_button, "drag_begin", + G_CALLBACK (gtk_color_button_drag_begin), color_button); + g_signal_connect (color_button, "drag_data_received", + G_CALLBACK (gtk_color_button_drag_data_received), color_button); + g_signal_connect (color_button, "drag_data_get", + G_CALLBACK (gtk_color_button_drag_data_get), color_button); + + gtk_widget_pop_composite_child (); +} + +static void +gtk_color_button_finalize (GObject *object) +{ + GtkColorButton *color_button = GTK_COLOR_BUTTON (object); + + if (color_button->priv->gc != NULL) + g_object_unref (G_OBJECT (color_button->priv->gc)); + color_button->priv->gc = NULL; + + if (color_button->priv->cs_dialog != NULL) + gtk_widget_destroy (color_button->priv->cs_dialog); + color_button->priv->cs_dialog = NULL; + + if (color_button->priv->pixbuf != NULL) + g_object_unref (color_button->priv->pixbuf); + color_button->priv->pixbuf = NULL; + + g_free (color_button->priv->title); + color_button->priv->title = NULL; + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + + +/** + * gtk_color_button_new: + * + * Creates a new color button. This returns a widget in the form of + * a small button containing a swatch representing the current selected + * color. When the button is clicked, a color-selection dialog will open, + * allowing the user to select a color. The swatch will be updated to reflect + * the new color when the user finishes. + * + * Returns: a new color button. + * + * Since: 2.4 + */ +GtkWidget * +gtk_color_button_new (void) +{ + return g_object_new (GTK_TYPE_COLOR_BUTTON, NULL); +} + +/** + * gtk_color_button_new_with_color: + * @color: A #GdkColor to set the current color with. + * + * Creates a new color button. + * + * Returns: a new color button. + * + * Since: 2.4 + */ +GtkWidget * +gtk_color_button_new_with_color (GdkColor *color) +{ + return g_object_new (GTK_TYPE_COLOR_BUTTON, "color", color, NULL); +} + +static void +dialog_ok_clicked (GtkWidget *widget, + gpointer data) +{ + GtkColorButton *color_button = GTK_COLOR_BUTTON (data); + GtkColorSelection *color_selection; + + color_selection = GTK_COLOR_SELECTION (GTK_COLOR_SELECTION_DIALOG (color_button->priv->cs_dialog)->colorsel); + + gtk_color_selection_get_current_color (color_selection, &color_button->priv->color); + color_button->priv->alpha = gtk_color_selection_get_current_alpha (color_selection); + + if (color_button->priv->pixbuf != NULL) + g_object_unref (color_button->priv->pixbuf); + color_button->priv->pixbuf = NULL; + + gtk_widget_hide (color_button->priv->cs_dialog); + + gtk_widget_queue_draw (color_button->priv->drawing_area); + + g_signal_emit (color_button, color_button_signals[COLOR_SET], 0); + + g_object_freeze_notify (G_OBJECT (color_button)); + g_object_notify (G_OBJECT (color_button), "color"); + g_object_notify (G_OBJECT (color_button), "alpha"); + g_object_thaw_notify (G_OBJECT (color_button)); +} + +static gboolean +dialog_destroy (GtkWidget *widget, + gpointer data) +{ + GtkColorButton *color_button = GTK_COLOR_BUTTON (data); + + color_button->priv->cs_dialog = NULL; + + return FALSE; +} + +static void +dialog_cancel_clicked (GtkWidget *widget, + gpointer data) +{ + GtkColorButton *color_button = GTK_COLOR_BUTTON (data); + + gtk_widget_hide (color_button->priv->cs_dialog); +} + +static void +gtk_color_button_clicked (GtkButton *button) +{ + GtkColorButton *color_button = GTK_COLOR_BUTTON (button); + GtkColorSelectionDialog *color_dialog; + + /* if dialog already exists, make sure it's shown and raised */ + if (!color_button->priv->cs_dialog) + { + /* Create the dialog and connects its buttons */ + GtkWidget *parent; + + parent = gtk_widget_get_toplevel (GTK_WIDGET (color_button)); + + color_button->priv->cs_dialog = gtk_color_selection_dialog_new (color_button->priv->title); + + color_dialog = GTK_COLOR_SELECTION_DIALOG (color_button->priv->cs_dialog); + + if (parent) + gtk_window_set_transient_for (GTK_WINDOW (color_dialog), + GTK_WINDOW (parent)); + + g_signal_connect (color_dialog->ok_button, "clicked", + G_CALLBACK (dialog_ok_clicked), color_button); + g_signal_connect (color_dialog->cancel_button, "clicked", + G_CALLBACK (dialog_cancel_clicked), color_button); + g_signal_connect (color_dialog, "destroy", + G_CALLBACK (dialog_destroy), color_button); + + /* If there is a grabbed window, set new dialog as modal */ + if (gtk_grab_get_current ()) + gtk_window_set_modal (GTK_WINDOW (color_button->priv->cs_dialog),TRUE); + } + + color_dialog = GTK_COLOR_SELECTION_DIALOG (color_button->priv->cs_dialog); + + gtk_color_selection_set_has_opacity_control (GTK_COLOR_SELECTION (color_dialog->colorsel), + color_button->priv->use_alpha); + + gtk_color_selection_set_previous_color (GTK_COLOR_SELECTION (color_dialog->colorsel), + &color_button->priv->color); + gtk_color_selection_set_previous_alpha (GTK_COLOR_SELECTION (color_dialog->colorsel), + color_button->priv->alpha); + + gtk_color_selection_set_current_color (GTK_COLOR_SELECTION (color_dialog->colorsel), + &color_button->priv->color); + gtk_color_selection_set_current_alpha (GTK_COLOR_SELECTION (color_dialog->colorsel), + color_button->priv->alpha); + + gtk_window_present (GTK_WINDOW (color_button->priv->cs_dialog)); +} + +/** + * gtk_color_button_set_color: + * @color_button: a #GtkColorButton. + * @color: A #GdkColor to set the current color with. + * + * Sets the current color to be @color. + * + * Since: 2.4 + **/ +void +gtk_color_button_set_color (GtkColorButton *color_button, + GdkColor *color) +{ + g_return_if_fail (GTK_IS_COLOR_BUTTON (color_button)); + + color_button->priv->color.red = color->red; + color_button->priv->color.green = color->green; + color_button->priv->color.blue = color->blue; + + g_object_notify (G_OBJECT (color_button), "color"); +} + + +/** + * gtk_color_button_set_alpha: + * @color_button: a #GtkColorButton. + * @alpha: an integer between 0 and 65535. + * + * Sets the current opacity to be @alpha. + * + * Since: 2.4 + **/ +void +gtk_color_button_set_alpha (GtkColorButton *color_button, + guint16 alpha) +{ + g_return_if_fail (GTK_IS_COLOR_BUTTON (color_button)); + + color_button->priv->alpha = alpha; + + g_object_notify (G_OBJECT (color_button), "alpha"); +} + +/** + * gtk_color_button_get_color: + * @color_button: a #GtkColorButton. + * @color: a #GdkColor to fill in with the current color. + * + * Sets @color to be the current color in the #GtkColorButton widget. + * + * Since: 2.4 + **/ +void +gtk_color_button_get_color (GtkColorButton *color_button, + GdkColor *color) +{ + g_return_if_fail (GTK_IS_COLOR_BUTTON (color_button)); + + color->red = color_button->priv->color.red; + color->green = color_button->priv->color.green; + color->blue = color_button->priv->color.blue; +} + +/** + * gtk_color_button_get_alpha: + * @color_button: a #GtkColorButton. + * + * Returns the current alpha value. + * + * Return value: an integer between 0 and 65535. + * + * Since: 2.4 + **/ +guint16 +gtk_color_button_get_alpha (GtkColorButton *color_button) +{ + g_return_val_if_fail (GTK_IS_COLOR_BUTTON (color_button), 0); + + return color_button->priv->alpha; +} + +/** + * gtk_color_button_set_use_alpha: + * @color_button: a #GtkColorButton. + * @use_alpha: %TRUE if color button should use alpha channel, %FALSE if not. + * + * Sets whether or not the color button should use the alpha channel. + * + * Since: 2.4 + */ +void +gtk_color_button_set_use_alpha (GtkColorButton *color_button, + gboolean use_alpha) +{ + g_return_if_fail (GTK_IS_COLOR_BUTTON (color_button)); + + use_alpha = (use_alpha != FALSE); + + if (color_button->priv->use_alpha != use_alpha) + { + color_button->priv->use_alpha = use_alpha; + + render (color_button); + gtk_widget_queue_draw (color_button->priv->drawing_area); + + g_object_notify (G_OBJECT (color_button), "use_alpha"); + } +} + +/** + * gtk_color_button_get_use_alpha: + * @color_button: a #GtkColorButton. + * + * Does the color selection dialog use the alpha channel? + * + * Returns: %TRUE if the color sample uses alpha channel, %FALSE if not. + * + * Since: 2.4 + */ +gboolean +gtk_color_button_get_use_alpha (GtkColorButton *color_button) +{ + g_return_val_if_fail (GTK_IS_COLOR_BUTTON (color_button), FALSE); + + return color_button->priv->use_alpha; +} + + +/** + * gtk_color_button_set_title: + * @color_button: a #GtkColorButton + * @title: String containing new window title. + * + * Sets the title for the color selection dialog. + * + * Since: 2.4 + */ +void +gtk_color_button_set_title (GtkColorButton *color_button, + const gchar *title) +{ + gchar *old_title; + + g_return_if_fail (GTK_IS_COLOR_BUTTON (color_button)); + + old_title = color_button->priv->title; + color_button->priv->title = g_strdup (title); + g_free (old_title); + + if (color_button->priv->cs_dialog) + gtk_window_set_title (GTK_WINDOW (color_button->priv->cs_dialog), + color_button->priv->title); + + g_object_notify (G_OBJECT (color_button), "title"); +} + +/** + * gtk_color_button_get_title: + * @color_button: a #GtkColorButton + * + * Gets the title of the color selection dialog. + * + * Returns: An internal string, do not free the return value + * + * Since: 2.4 + */ +G_CONST_RETURN gchar * +gtk_color_button_get_title (GtkColorButton *color_button) +{ + g_return_val_if_fail (GTK_IS_COLOR_BUTTON (color_button), NULL); + + return color_button->priv->title; +} + +static void +gtk_color_button_set_property (GObject *object, + guint param_id, + const GValue *value, + GParamSpec *pspec) +{ + GtkColorButton *color_button = GTK_COLOR_BUTTON (object); + + switch (param_id) + { + case PROP_USE_ALPHA: + gtk_color_button_set_use_alpha (color_button, g_value_get_boolean (value)); + break; + case PROP_TITLE: + gtk_color_button_set_title (color_button, g_value_get_string (value)); + break; + case PROP_COLOR: + gtk_color_button_set_color (color_button, g_value_get_boxed (value)); + break; + case PROP_ALPHA: + gtk_color_button_set_alpha (color_button, g_value_get_uint (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); + break; + } +} + +static void +gtk_color_button_get_property (GObject *object, + guint param_id, + GValue *value, + GParamSpec *pspec) +{ + GtkColorButton *color_button = GTK_COLOR_BUTTON (object); + GdkColor color; + + switch (param_id) + { + case PROP_USE_ALPHA: + g_value_set_boolean (value, gtk_color_button_get_use_alpha (color_button)); + break; + case PROP_TITLE: + g_value_set_string (value, gtk_color_button_get_title (color_button)); + break; + case PROP_COLOR: + gtk_color_button_get_color (color_button, &color); + g_value_set_boxed (value, &color); + break; + case PROP_ALPHA: + g_value_set_uint (value, gtk_color_button_get_alpha (color_button)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); + break; + } +} diff --git a/gtk/gtkcolorbutton.h b/gtk/gtkcolorbutton.h new file mode 100644 index 0000000000..ed67ccfdaa --- /dev/null +++ b/gtk/gtkcolorbutton.h @@ -0,0 +1,103 @@ +/* + * GTK - The GIMP Toolkit + * Copyright (C) 1998, 1999 Red Hat, Inc. + * All rights reserved. + * + * 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 the Gnome Library; see the file COPYING.LIB. If not, + * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ +/* Color picker button for GNOME + * + * Author: Federico Mena <federico@nuclecu.unam.mx> + * + * 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 __GTK_COLOR_BUTTON_H__ +#define __GTK_COLOR_BUTTON_H__ + + +#include <gtk/gtkbutton.h> + +G_BEGIN_DECLS + + +/* The GtkColorSelectionButton widget is a simple color picker in a button. + * The button displays a sample of the currently selected color. When + * the user clicks on the button, a color selection dialog pops up. + * The color picker emits the "color_set" signal when the color is set. + */ + +#define GTK_TYPE_COLOR_BUTTON (gtk_color_button_get_type ()) +#define GTK_COLOR_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_COLOR_BUTTON, GtkColorButton)) +#define GTK_COLOR_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_COLOR_BUTTON, GtkColorButtonClass)) +#define GTK_IS_COLOR_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_COLOR_BUTTON)) +#define GTK_IS_COLOR_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_COLOR_BUTTON)) +#define GTK_COLOR_BUTTON_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_COLOR_BUTTON, GtkColorButtonClass)) +#define GTK_COLOR_BUTTON_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_COLOR_BUTTON, GtkColorButtonPrivate)) + +typedef struct _GtkColorButton GtkColorButton; +typedef struct _GtkColorButtonClass GtkColorButtonClass; +typedef struct _GtkColorButtonPrivate GtkColorButtonPrivate; + +struct _GtkColorButton { + GtkButton button; + + /*< private >*/ + + GtkColorButtonPrivate *priv; +}; + +struct _GtkColorButtonClass { + GtkButtonClass parent_class; + + void (* color_set) (GtkColorButton *cp); + + /* Padding for future expansion */ + void (*_gtk_reserved1) (void); + void (*_gtk_reserved2) (void); + void (*_gtk_reserved3) (void); + void (*_gtk_reserved4) (void); +}; + + +GType gtk_color_button_get_type (void) G_GNUC_CONST; +GtkWidget *gtk_color_button_new (void); +GtkWidget *gtk_color_button_new_with_color (GdkColor *color); +void gtk_color_button_set_color (GtkColorButton *color_button, + GdkColor *color); +void gtk_color_button_set_alpha (GtkColorButton *color_button, + guint16 alpha); +void gtk_color_button_get_color (GtkColorButton *color_button, + GdkColor *color); +guint16 gtk_color_button_get_alpha (GtkColorButton *color_button); +void gtk_color_button_set_use_alpha (GtkColorButton *color_button, + gboolean use_alpha); +gboolean gtk_color_button_get_use_alpha (GtkColorButton *color_button); +void gtk_color_button_set_title (GtkColorButton *color_button, + const gchar *title); +G_CONST_RETURN gchar *gtk_color_button_get_title (GtkColorButton *color_button); + + +G_END_DECLS + +#endif /* __GTK_COLOR_BUTTON_H__ */ + + + + diff --git a/gtk/gtkfontbutton.c b/gtk/gtkfontbutton.c new file mode 100644 index 0000000000..05bfc3f42a --- /dev/null +++ b/gtk/gtkfontbutton.c @@ -0,0 +1,939 @@ +/* + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Cambridge, MA 02139, USA. + */ +/* + * 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 <config.h> + +#include "gtkfontbutton.h" + +#include "gtksignal.h" +#include "gtkmain.h" +#include "gtkalignment.h" +#include "gtkhbox.h" +#include "gtklabel.h" +#include "gtkvseparator.h" +#include "gtkfontsel.h" +#include "gtkimage.h" +#include "gtkmarshalers.h" +#include "gtkintl.h" + +#include <string.h> +#include <stdio.h> + +struct _GtkFontButtonPrivate +{ + gchar *title; + + gchar *fontname; + + guint use_font : 1; + guint use_size : 1; + guint show_style : 1; + guint show_size : 1; + + GtkWidget *font_dialog; + GtkWidget *inside; + GtkWidget *font_label; + GtkWidget *size_label; +}; + +/* 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 +}; + +/* Prototypes */ +static void gtk_font_button_init (GtkFontButton *font_button); +static void gtk_font_button_class_init (GtkFontButtonClass *klass); +static void gtk_font_button_finalize (GObject *object); +static void gtk_font_button_get_property (GObject *object, + guint param_id, + GValue *value, + GParamSpec *pspec); +static void gtk_font_button_set_property (GObject *object, + guint param_id, + const GValue *value, + GParamSpec *pspec); + +static void gtk_font_button_clicked (GtkButton *button); + +/* Dialog response functions */ +static void dialog_ok_clicked (GtkWidget *widget, + gpointer data); +static void dialog_cancel_clicked (GtkWidget *widget, + gpointer data); +static void dialog_destroy (GtkWidget *widget, + gpointer data); + +/* Auxiliary functions */ +static GtkWidget *gtk_font_button_create_inside (GtkFontButton *gfs); +static void gtk_font_button_label_use_font (GtkFontButton *gfs); +static void gtk_font_button_update_font_info (GtkFontButton *gfs); + +static gpointer parent_class = NULL; +static guint font_button_signals[LAST_SIGNAL] = { 0 }; + +GType +gtk_font_button_get_type (void) +{ + static GType font_button_type = 0; + + if (!font_button_type) + { + static const GTypeInfo font_button_info = + { + sizeof (GtkFontButtonClass), + NULL, /* base_init */ + NULL, /* base_finalize */ + (GClassInitFunc) gtk_font_button_class_init, + NULL, /* class_finalize */ + NULL, /* class_data */ + sizeof (GtkFontButton), + 0, /* n_preallocs */ + (GInstanceInitFunc) gtk_font_button_init, + }; + + font_button_type = + g_type_register_static (GTK_TYPE_BUTTON, "GtkFontButton", + &font_button_info, 0); + } + + return font_button_type; +} + + +static void +gtk_font_button_class_init (GtkFontButtonClass *klass) +{ + GtkObjectClass *object_class; + GObjectClass *gobject_class; + GtkButtonClass *button_class; + + object_class = (GtkObjectClass *) klass; + gobject_class = (GObjectClass *) klass; + button_class = (GtkButtonClass *) klass; + + parent_class = g_type_class_peek_parent (klass); + + gobject_class->finalize = gtk_font_button_finalize; + gobject_class->set_property = gtk_font_button_set_property; + gobject_class->get_property = gtk_font_button_get_property; + + button_class->clicked = gtk_font_button_clicked; + + klass->font_set = NULL; + + /** + * GtkFontButton:title: + * + * The title of the font selection dialog. + * + * Since: 2.4 + */ + g_object_class_install_property (gobject_class, + PROP_TITLE, + g_param_spec_string ("title", + _("Title"), + _("The title of the font selection dialog"), + _("Pick a font"), + (G_PARAM_READABLE | + G_PARAM_WRITABLE))); + + /** + * GtkFontButton: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))); + + /** + * GtkFontButton: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_READABLE | + G_PARAM_WRITABLE))); + + /** + * GtkFontButton: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_READABLE | + G_PARAM_WRITABLE))); + + /** + * GtkFontButton: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 WYSIWIG way to show the selected style, see the ::use-font property. + * + * Since: 2.4 + */ + g_object_class_install_property (gobject_class, + PROP_SHOW_SIZE, + g_param_spec_boolean ("show_style", + _("Show style"), + _("Whether the selected font style is shown in the label"), + TRUE, + (G_PARAM_READABLE | + G_PARAM_WRITABLE))); + /** + * GtkFontButton:show-size: + * + * If this property is set to %TRUE, the selected font size will be shown in the label. For + * a more WYSIWIG 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_READABLE | + G_PARAM_WRITABLE))); + + /** + * GtkFontButton::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 gtk_font_button_get_font_name() to find out which font was just selected. + * + * 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 (GtkFontButtonClass, font_set), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + g_type_class_add_private (gobject_class, sizeof (GtkFontButtonPrivate)); +} + +static void +gtk_font_button_init (GtkFontButton *font_button) +{ + font_button->priv = GTK_FONT_BUTTON_GET_PRIVATE (font_button); + + /* Initialize fields */ + font_button->priv->fontname = g_strdup (_("Sans 12")); + 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->font_dialog = NULL; + font_button->priv->title = g_strdup (_("Pick a Font")); + + font_button->priv->inside = gtk_font_button_create_inside (font_button); + gtk_container_add (GTK_CONTAINER (font_button), font_button->priv->inside); + + gtk_font_button_update_font_info (font_button); +} + + +static void +gtk_font_button_finalize (GObject *object) +{ + GtkFontButton *font_button = GTK_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->fontname); + font_button->priv->fontname = NULL; + + g_free (font_button->priv->title); + font_button->priv->title = NULL; + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gtk_font_button_set_property (GObject *object, + guint param_id, + const GValue *value, + GParamSpec *pspec) +{ + GtkFontButton *font_button = GTK_FONT_BUTTON (object); + + switch (param_id) + { + case PROP_TITLE: + gtk_font_button_set_title (font_button, g_value_get_string (value)); + break; + case PROP_FONT_NAME: + gtk_font_button_set_font_name (font_button, g_value_get_string (value)); + break; + case PROP_USE_FONT: + gtk_font_button_set_use_font (font_button, g_value_get_boolean (value)); + break; + case PROP_USE_SIZE: + gtk_font_button_set_use_size (font_button, g_value_get_boolean (value)); + break; + case PROP_SHOW_STYLE: + gtk_font_button_set_show_style (font_button, g_value_get_boolean (value)); + break; + case PROP_SHOW_SIZE: + gtk_font_button_set_show_size (font_button, g_value_get_boolean (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); + break; + } +} + +static void +gtk_font_button_get_property (GObject *object, + guint param_id, + GValue *value, + GParamSpec *pspec) +{ + GtkFontButton *font_button = GTK_FONT_BUTTON (object); + + switch (param_id) + { + case PROP_TITLE: + g_value_set_string (value, gtk_font_button_get_title (font_button)); + break; + case PROP_FONT_NAME: + g_value_set_string (value, gtk_font_button_get_font_name (font_button)); + break; + case PROP_USE_FONT: + g_value_set_boolean (value, gtk_font_button_get_use_font (font_button)); + break; + case PROP_USE_SIZE: + g_value_set_boolean (value, gtk_font_button_get_use_size (font_button)); + break; + case PROP_SHOW_STYLE: + g_value_set_boolean (value, gtk_font_button_get_show_style (font_button)); + break; + case PROP_SHOW_SIZE: + g_value_set_boolean (value, gtk_font_button_get_show_size (font_button)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); + break; + } +} + + +/** + * gtk_font_button_new: + * + * Creates a new font picker widget. + * + * Returns: a new font picker widget. + * + * Since: 2.4 + */ +GtkWidget * +gtk_font_button_new (void) +{ + return g_object_new (GTK_TYPE_FONT_BUTTON, NULL); +} + +/** + * gtk_font_button_new_with_font: + * @fontname: Name of font to display in font selection dialog + * + * Creates a new font picker widget. + * + * Returns: a new font picker widget. + * + * Since: 2.4 + */ +GtkWidget * +gtk_font_button_new_with_font (const gchar *fontname) +{ + return g_object_new (GTK_TYPE_FONT_BUTTON, "font_name", fontname, NULL); +} + +/** + * gtk_font_button_set_title: + * @font_button: a #GtkFontButton + * @title: a string containing the font selection dialog title + * + * Sets the title for the font selection dialog. + * + * Since: 2.4 + */ +void +gtk_font_button_set_title (GtkFontButton *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"); +} + +/** + * gtk_font_button_get_title: + * @font_button: a #GtkFontButton + * + * Retrieves the title of the font selection dialog. + * + * Returns: an internal copy of the title string which must not be freed. + * + * Since: 2.4 + */ +G_CONST_RETURN gchar* +gtk_font_button_get_title (GtkFontButton *font_button) +{ + g_return_val_if_fail (GTK_IS_FONT_BUTTON (font_button), NULL); + + return font_button->priv->title; +} + +/** + * gtk_font_button_get_use_font: + * @font_button: a #GtkFontButton + * + * Returns whether the selected font is used in the label. + * + * Returns: whether the selected font is used in the label. + * + * Since: 2.4 + */ +gboolean +gtk_font_button_get_use_font (GtkFontButton *font_button) +{ + g_return_val_if_fail (GTK_IS_FONT_BUTTON (font_button), FALSE); + + return font_button->priv->use_font; +} + +/** + * gtk_font_button_set_use_font: + * @font_button: a #GtkFontButton + * @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 +gtk_font_button_set_use_font (GtkFontButton *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; + + if (use_font) + gtk_font_button_label_use_font (font_button); + else + gtk_widget_set_style (font_button->priv->font_label, NULL); + + g_object_notify (G_OBJECT (font_button), "use_font"); + } +} + + +/** + * gtk_font_button_get_use_size: + * @font_button: a #GtkFontButton + * + * Returns whether the selected size is used in the label. + * + * Returns: whether the selected size is used in the label. + * + * Since: 2.4 + */ +gboolean +gtk_font_button_get_use_size (GtkFontButton *font_button) +{ + g_return_val_if_fail (GTK_IS_FONT_BUTTON (font_button), FALSE); + + return font_button->priv->use_size; +} + +/** + * gtk_font_button_set_use_size: + * @font_button: a #GtkFontButton + * @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 +gtk_font_button_set_use_size (GtkFontButton *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; + + if (font_button->priv->use_font) + gtk_font_button_label_use_font (font_button); + + g_object_notify (G_OBJECT (font_button), "use_size"); + } +} + +/** + * gtk_font_button_get_show_style: + * @font_button: a #GtkFontButton + * + * 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 +gtk_font_button_get_show_style (GtkFontButton *font_button) +{ + g_return_val_if_fail (GTK_IS_FONT_BUTTON (font_button), FALSE); + + return font_button->priv->show_style; +} + +/** + * gtk_font_button_set_show_style: + * @font_button: a #GtkFontButton + * @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 +gtk_font_button_set_show_style (GtkFontButton *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; + + gtk_font_button_update_font_info (font_button); + + g_object_notify (G_OBJECT (font_button), "show_style"); + } +} + + +/** + * gtk_font_button_get_show_size: + * @font_button: a #GtkFontButton + * + * 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 +gtk_font_button_get_show_size (GtkFontButton *font_button) +{ + g_return_val_if_fail (GTK_IS_FONT_BUTTON (font_button), FALSE); + + return font_button->priv->show_size; +} + +/** + * gtk_font_button_set_show_size: + * @font_button: a #GtkFontButton + * @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 +gtk_font_button_set_show_size (GtkFontButton *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 = gtk_font_button_create_inside (font_button); + gtk_container_add (GTK_CONTAINER (font_button), font_button->priv->inside); + + gtk_font_button_update_font_info (font_button); + + g_object_notify (G_OBJECT (font_button), "show_size"); + } +} + + +/** + * gtk_font_button_get_font_name: + * @font_button: a #GtkFontButton + * + * Retrieves the name of the currently selected font. + * + * Returns: an internal copy of the font name which must not be freed. + * + * Since: 2.4 + */ +G_CONST_RETURN gchar * +gtk_font_button_get_font_name (GtkFontButton *font_button) +{ + g_return_val_if_fail (GTK_IS_FONT_BUTTON (font_button), NULL); + + return font_button->priv->fontname; +} + +/** + * gtk_font_button_set_font_name: + * @font_button: a #GtkFontButton + * @fontname: Name of font to display in font selection dialog + * + * Sets or updates the currently-displayed font in font picker dialog. + * + * Returns: Return value of gtk_font_selection_dialog_set_font_name() if the + * font selection dialog exists, otherwise %FALSE. + * + * Since: 2.4 + */ +gboolean +gtk_font_button_set_font_name (GtkFontButton *font_button, + const gchar *fontname) +{ + gboolean result; + gchar *old_fontname; + + g_return_val_if_fail (GTK_IS_FONT_BUTTON (font_button), FALSE); + g_return_val_if_fail (fontname != NULL, FALSE); + + if (g_ascii_strcasecmp (font_button->priv->fontname, fontname)) + { + old_fontname = font_button->priv->fontname; + font_button->priv->fontname = g_strdup (fontname); + g_free (old_fontname); + } + + gtk_font_button_update_font_info (font_button); + + if (font_button->priv->font_dialog) + result = gtk_font_selection_dialog_set_font_name (GTK_FONT_SELECTION_DIALOG (font_button->priv->font_dialog), + font_button->priv->fontname); + else + result = FALSE; + + g_object_notify (G_OBJECT (font_button), "font_name"); + + return result; +} + +static void +gtk_font_button_clicked (GtkButton *button) +{ + GtkFontSelectionDialog *font_dialog; + GtkFontButton *font_button = GTK_FONT_BUTTON (button); + + if (!font_button->priv->font_dialog) + { + GtkWidget *parent; + + parent = gtk_widget_get_toplevel (GTK_WIDGET (font_button)); + + font_button->priv->font_dialog = gtk_font_selection_dialog_new (font_button->priv->title); + + font_dialog = GTK_FONT_SELECTION_DIALOG (font_button->priv->font_dialog); + + if (parent) + gtk_window_set_transient_for (GTK_WINDOW (font_dialog), GTK_WINDOW (parent)); + + /* If there is a grabbed window, set new dialog as modal */ + if (gtk_grab_get_current ()) + gtk_window_set_modal (GTK_WINDOW (font_dialog), TRUE); + + g_signal_connect (font_dialog->ok_button, "clicked", + G_CALLBACK (dialog_ok_clicked), font_button); + g_signal_connect (font_dialog->cancel_button, "clicked", + G_CALLBACK (dialog_cancel_clicked), font_button); + g_signal_connect (font_dialog, "destroy", + G_CALLBACK (dialog_destroy), font_button); + } + + if (!GTK_WIDGET_VISIBLE (font_button->priv->font_dialog)) + { + font_dialog = GTK_FONT_SELECTION_DIALOG (font_button->priv->font_dialog); + + gtk_font_selection_dialog_set_font_name (font_dialog, font_button->priv->fontname); + + } + + gtk_window_present (GTK_WINDOW (font_button->priv->font_dialog)); +} + +static void +dialog_ok_clicked (GtkWidget *widget, + gpointer data) +{ + GtkFontButton *font_button = GTK_FONT_BUTTON (data); + + gtk_widget_hide (font_button->priv->font_dialog); + + g_free (font_button->priv->fontname); + font_button->priv->fontname = gtk_font_selection_dialog_get_font_name (GTK_FONT_SELECTION_DIALOG (font_button->priv->font_dialog)); + + /* Set label font */ + gtk_font_button_update_font_info (font_button); + + g_object_notify (G_OBJECT (font_button), "font_name"); + + /* Emit font_set signal */ + g_signal_emit (font_button, font_button_signals[FONT_SET], 0); +} + + +static void +dialog_cancel_clicked (GtkWidget *widget, + gpointer data) +{ + GtkFontButton *font_button = GTK_FONT_BUTTON (data); + + gtk_widget_hide (font_button->priv->font_dialog); +} + +static void +dialog_destroy (GtkWidget *widget, + gpointer data) +{ + GtkFontButton *font_button = GTK_FONT_BUTTON (data); + + /* Dialog will get destroyed so reference is not valid now */ + font_button->priv->font_dialog = NULL; +} + +static GtkWidget * +gtk_font_button_create_inside (GtkFontButton *font_button) +{ + GtkWidget *widget; + + gtk_widget_push_composite_child (); + + widget = gtk_hbox_new (FALSE, 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_vseparator_new (), 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 +gtk_font_button_label_use_font (GtkFontButton *font_button) +{ + PangoFontDescription *desc; + + if (!font_button->priv->use_font) + return; + + desc = pango_font_description_from_string (font_button->priv->fontname); + + if (!font_button->priv->use_size) + pango_font_description_unset_fields (desc, PANGO_FONT_MASK_SIZE); + + gtk_widget_modify_font (font_button->priv->font_label, desc); +} + +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 +gtk_font_button_update_font_info (GtkFontButton *font_button) +{ + PangoFontDescription *desc; + const gchar *family; + gchar *style; + gchar *family_style; + + desc = pango_font_description_from_string (font_button->priv->fontname); + family = pango_font_description_get_family (desc); + +#if 0 + /* This gives the wrong names, e.g. Italic when the font selection + * dialog displayed Oblique. + */ + pango_font_description_unset_fields (desc, PANGO_FONT_MASK_FAMILY | PANGO_FONT_MASK_SIZE); + style = pango_font_description_to_string (desc); + gtk_label_set_text (GTK_LABEL (font_button->priv->style_label), style); +#endif + + style = NULL; + if (font_button->priv->show_style) + { + PangoFontFamily **families; + PangoFontFace **faces; + gint n_families, n_faces, i; + + n_families = 0; + n_faces = 0; + pango_context_list_families (gtk_widget_get_pango_context (GTK_WIDGET (font_button)), + &families, &n_families); + for (i = 0; i < n_families; i++) + { + const gchar *name = pango_font_family_get_name (families[i]); + + if (!g_ascii_strcasecmp (name, family)) + { + 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, desc)) + { + style = g_strdup (pango_font_face_get_face_name (faces[i])); + pango_font_description_free (tmp_desc); + break; + } + else + pango_font_description_free (tmp_desc); + } + g_free (faces); + } + + if (style == NULL || !g_ascii_strcasecmp (style, "Regular")) + family_style = g_strdup (family); + else + family_style = g_strdup_printf ("%s %s", family, style); + + gtk_label_set_text (GTK_LABEL (font_button->priv->font_label), family_style); + + g_free (style); + g_free (family_style); + + if (font_button->priv->show_size) + { + gchar *size = g_strdup_printf ("%d", + pango_font_description_get_size (desc) / PANGO_SCALE); + + gtk_label_set_text (GTK_LABEL (font_button->priv->size_label), size); + + g_free (size); + } + + gtk_font_button_label_use_font (font_button); + + pango_font_description_free (desc); +} + + + + + + + + diff --git a/gtk/gtkfontbutton.h b/gtk/gtkfontbutton.h new file mode 100644 index 0000000000..896ef335d4 --- /dev/null +++ b/gtk/gtkfontbutton.h @@ -0,0 +1,101 @@ +/* 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Cambridge, MA 02139, USA. + */ +/* + * 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 __GTK_FONT_BUTTON_H__ +#define __GTK_FONT_BUTTON_H__ + +#include <gtk/gtkbutton.h> + + +G_BEGIN_DECLS + +/* GtkFontButton is a button widget that allow user to select a font. + */ + +#define GTK_TYPE_FONT_BUTTON (gtk_font_button_get_type ()) +#define GTK_FONT_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_FONT_BUTTON, GtkFontButton)) +#define GTK_FONT_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FONT_BUTTON, GtkFontButtonClass)) +#define GTK_IS_FONT_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_FONT_BUTTON)) +#define GTK_IS_FONT_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FONT_BUTTON)) +#define GTK_FONT_BUTTON_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FONT_BUTTON, GtkFontButtonClass)) +#define GTK_FONT_BUTTON_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_FONT_BUTTON, GtkFontButtonPrivate)) + +typedef struct _GtkFontButton GtkFontButton; +typedef struct _GtkFontButtonClass GtkFontButtonClass; +typedef struct _GtkFontButtonPrivate GtkFontButtonPrivate; + +struct _GtkFontButton { + GtkButton button; + + /*< private >*/ + GtkFontButtonPrivate *priv; +}; + +struct _GtkFontButtonClass { + GtkButtonClass parent_class; + + /* font_set signal is emitted when font is chosen */ + void (* font_set) (GtkFontButton *gfp); + + /* Padding for future expansion */ + void (*_gtk_reserved1) (void); + void (*_gtk_reserved2) (void); + void (*_gtk_reserved3) (void); + void (*_gtk_reserved4) (void); +}; + + +GType gtk_font_button_get_type (void) G_GNUC_CONST; +GtkWidget *gtk_font_button_new (void); +GtkWidget *gtk_font_button_new_with_font (const gchar *fontname); + +G_CONST_RETURN gchar *gtk_font_button_get_title (GtkFontButton *font_button); +void gtk_font_button_set_title (GtkFontButton *font_button, + const gchar *title); +gboolean gtk_font_button_get_use_font (GtkFontButton *font_button); +void gtk_font_button_set_use_font (GtkFontButton *font_button, + gboolean use_font); +gboolean gtk_font_button_get_use_size (GtkFontButton *font_button); +void gtk_font_button_set_use_size (GtkFontButton *font_button, + gboolean use_size); +G_CONST_RETURN gchar* gtk_font_button_get_font_name (GtkFontButton *font_button); +gboolean gtk_font_button_set_font_name (GtkFontButton *font_button, + const gchar *fontname); +gboolean gtk_font_button_get_show_style (GtkFontButton *font_button); +void gtk_font_button_set_show_style (GtkFontButton *font_button, + gboolean show_style); +gboolean gtk_font_button_get_show_size (GtkFontButton *font_button); +void gtk_font_button_set_show_size (GtkFontButton *font_button, + gboolean show_size); + +G_END_DECLS + + +#endif /* __GTK_FONT_BUTTON_H__ */ + + + + |