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/* Dia -- an diagram creation/manipulation program
* Copyright (C) 1998 Alexander Larsson
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <gtk/gtk.h>
#include "intl.h"
#include "widgets.h"
#include "arrows.h"
#include "diaarrowchooser.h"
#include "diadynamicmenu.h"
/************* DiaArrowSelector: ***************/
/* FIXME: Should these structs be in widgets.h instead? */
struct _DiaArrowSelector
{
GtkVBox vbox;
GtkHBox *sizebox;
GtkLabel *sizelabel;
DiaSizeSelector *size;
GtkWidget *omenu;
};
struct _DiaArrowSelectorClass
{
GtkVBoxClass parent_class;
};
enum {
DAS_VALUE_CHANGED,
DAS_LAST_SIGNAL
};
static guint das_signals[DAS_LAST_SIGNAL] = {0};
static void
dia_arrow_selector_class_init (DiaArrowSelectorClass *class)
{
das_signals[DAS_VALUE_CHANGED]
= g_signal_new("value_changed",
G_TYPE_FROM_CLASS(class),
G_SIGNAL_RUN_FIRST,
0, NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
static void
set_size_sensitivity(DiaArrowSelector *as)
{
int state;
gchar *entryname = dia_dynamic_menu_get_entry(DIA_DYNAMIC_MENU(as->omenu));
state = (entryname != NULL) && (0 != g_ascii_strcasecmp(entryname, "None"));
g_free(entryname);
gtk_widget_set_sensitive(GTK_WIDGET(as->sizelabel), state);
gtk_widget_set_sensitive(GTK_WIDGET(as->size), state);
}
static void
arrow_type_change_callback(DiaDynamicMenu *ddm, gpointer userdata)
{
set_size_sensitivity(DIA_ARROW_SELECTOR(userdata));
g_signal_emit(DIA_ARROW_SELECTOR(userdata),
das_signals[DAS_VALUE_CHANGED], 0);
}
static void
arrow_size_change_callback(DiaSizeSelector *size, gpointer userdata)
{
g_signal_emit(DIA_ARROW_SELECTOR(userdata),
das_signals[DAS_VALUE_CHANGED], 0);
}
static GtkWidget *
create_arrow_menu_item(DiaDynamicMenu *ddm, gchar *name)
{
ArrowType atype = arrow_type_from_name(name);
GtkWidget *item = gtk_menu_item_new();
GtkWidget *preview;
preview = dia_arrow_preview_new(atype, FALSE);
gtk_widget_show(preview);
gtk_container_add(GTK_CONTAINER(item), preview);
gtk_widget_show(item);
return item;
}
static void
dia_arrow_selector_init (DiaArrowSelector *as,
gpointer g_class)
{
GtkWidget *omenu;
GtkWidget *box;
GtkWidget *label;
GtkWidget *size;
GList *arrow_names = get_arrow_names();
as->omenu =
omenu = dia_dynamic_menu_new_listbased(create_arrow_menu_item,
as,
_("More arrows"),
arrow_names,
"arrow-menu");
dia_dynamic_menu_add_default_entry(DIA_DYNAMIC_MENU(omenu), "None");
dia_dynamic_menu_add_default_entry(DIA_DYNAMIC_MENU(omenu), "Lines");
dia_dynamic_menu_add_default_entry(DIA_DYNAMIC_MENU(omenu), "Filled Concave");
gtk_box_pack_start(GTK_BOX(as), omenu, FALSE, TRUE, 0);
gtk_widget_show(omenu);
g_signal_connect(DIA_DYNAMIC_MENU(omenu),
"value-changed", G_CALLBACK(arrow_type_change_callback),
as);
box = gtk_hbox_new(FALSE,0);
as->sizebox = GTK_HBOX(box);
label = gtk_label_new(_("Size: "));
as->sizelabel = GTK_LABEL(label);
gtk_box_pack_start(GTK_BOX(box), label, TRUE, TRUE, 0);
gtk_widget_show(label);
size = dia_size_selector_new(0.0, 0.0);
as->size = DIA_SIZE_SELECTOR(size);
gtk_box_pack_start(GTK_BOX(box), size, TRUE, TRUE, 0);
gtk_widget_show(size);
g_signal_connect(size, "value-changed",
G_CALLBACK(arrow_size_change_callback), as);
set_size_sensitivity(as);
gtk_box_pack_start(GTK_BOX(as), box, TRUE, TRUE, 0);
gtk_widget_show(box);
}
GType
dia_arrow_selector_get_type (void)
{
static GType dfs_type = 0;
if (!dfs_type) {
static const GTypeInfo dfs_info = {
sizeof (DiaArrowSelectorClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) dia_arrow_selector_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (DiaArrowSelector),
0, /* n_preallocs */
(GInstanceInitFunc)dia_arrow_selector_init, /* init */
};
dfs_type = g_type_register_static (GTK_TYPE_VBOX,
"DiaArrowSelector",
&dfs_info, 0);
}
return dfs_type;
}
GtkWidget *
dia_arrow_selector_new ()
{
return GTK_WIDGET ( g_object_new (DIA_TYPE_ARROW_SELECTOR, NULL));
}
Arrow
dia_arrow_selector_get_arrow(DiaArrowSelector *as)
{
Arrow at;
gchar *arrowname = dia_dynamic_menu_get_entry(DIA_DYNAMIC_MENU(as->omenu));
at.type = arrow_type_from_name(arrowname);
g_free(arrowname);
dia_size_selector_get_size(as->size, &at.width, &at.length);
return at;
}
void
dia_arrow_selector_set_arrow (DiaArrowSelector *as,
Arrow arrow)
{
dia_dynamic_menu_select_entry(DIA_DYNAMIC_MENU(as->omenu),
arrow_get_name_from_type(arrow.type));
set_size_sensitivity(as);
dia_size_selector_set_size(DIA_SIZE_SELECTOR(as->size), arrow.width, arrow.length);
}
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