gimp/app/gui/info-dialog.c

213 lines
5.0 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdlib.h>
#include <string.h>
#include "appenv.h"
#include "gimprc.h"
#include "info_dialog.h"
#include "interface.h"
/* static functions */
static InfoField * info_field_new (InfoDialog *, char *, char *);
static void update_field (InfoField *);
static gint info_dialog_delete_callback (GtkWidget *, GdkEvent *, gpointer);
static InfoField *
info_field_new (InfoDialog *idialog,
char *title,
char *text_ptr)
{
GtkWidget *label;
InfoField *field;
field = (InfoField *) g_malloc (sizeof (InfoField));
label = gtk_label_new (title);
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_box_pack_start (GTK_BOX (idialog->labels), label, FALSE, FALSE, 0);
field->w = gtk_label_new (text_ptr);
gtk_misc_set_alignment (GTK_MISC (field->w), 0.0, 0.5);
gtk_box_pack_start (GTK_BOX (idialog->values), field->w, FALSE, FALSE, 0);
field->text_ptr = text_ptr;
gtk_widget_show (field->w);
gtk_widget_show (label);
return field;
}
static void
update_field (InfoField *field)
{
gchar *old_text;
/* only update the field if its new value differs from the old */
gtk_label_get (GTK_LABEL (field->w), &old_text);
if (strcmp (old_text, field->text_ptr))
{
/* set the new value and update somehow */
gtk_label_set (GTK_LABEL (field->w), field->text_ptr);
}
}
/* function definitions */
InfoDialog *
info_dialog_new (char *title)
{
InfoDialog * idialog;
GtkWidget *shell;
GtkWidget *vbox;
GtkWidget *labels, *values;
GtkWidget *info_area;
idialog = (InfoDialog *) g_malloc (sizeof (InfoDialog));
idialog->field_list = NULL;
shell = gtk_dialog_new ();
gtk_window_set_title (GTK_WINDOW (shell), title);
gtk_widget_set_uposition (shell, info_x, info_y);
gtk_signal_connect (GTK_OBJECT (shell), "delete_event",
GTK_SIGNAL_FUNC (info_dialog_delete_callback),
idialog);
vbox = gtk_vbox_new (FALSE, 1);
gtk_container_border_width (GTK_CONTAINER (vbox), 1);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (shell)->vbox), vbox, TRUE, TRUE, 0);
info_area = gtk_hbox_new (FALSE, 1);
gtk_container_border_width (GTK_CONTAINER (info_area), 5);
gtk_box_pack_start (GTK_BOX (vbox), info_area, TRUE, TRUE, 0);
labels = gtk_vbox_new (FALSE, 1);
gtk_box_pack_start (GTK_BOX (info_area), labels, TRUE, TRUE, 0);
values = gtk_vbox_new (FALSE, 1);
gtk_box_pack_start (GTK_BOX (info_area), values, TRUE, TRUE, 0);
idialog->shell = shell;
idialog->vbox = vbox;
idialog->info_area = info_area;
idialog->labels = labels;
idialog->values = values;
gtk_widget_show (idialog->labels);
gtk_widget_show (idialog->values);
gtk_widget_show (idialog->info_area);
gtk_widget_show (idialog->vbox);
return idialog;
}
void
info_dialog_free (InfoDialog *idialog)
{
link_ptr list;
if (!idialog)
return;
/* Free each item in the field list */
list = idialog->field_list;
while (list)
{
g_free (list->data);
list = next_item (list);
}
/* Free the actual field linked list */
free_list (idialog->field_list);
/* Destroy the associated widgets */
gtk_widget_destroy (idialog->shell);
/* Free the info dialog memory */
g_free (idialog);
}
void
info_dialog_add_field (InfoDialog *idialog,
char *title,
char *text_ptr)
{
InfoField * new_field;
if (!idialog)
return;
new_field = info_field_new (idialog, title, text_ptr);
idialog->field_list = add_to_list (idialog->field_list, (void *) new_field);
}
void
info_dialog_popup (InfoDialog *idialog)
{
if (!idialog)
return;
if (!GTK_WIDGET_VISIBLE (idialog->shell))
gtk_widget_show (idialog->shell);
}
void
info_dialog_popdown (InfoDialog *idialog)
{
if (!idialog)
return;
if (GTK_WIDGET_VISIBLE (idialog->shell))
gtk_widget_hide (idialog->shell);
}
void
info_dialog_update (InfoDialog *idialog)
{
link_ptr list;
if (!idialog)
return;
list = idialog->field_list;
while (list)
{
update_field ((InfoField *) list->data);
list = next_item (list);
}
}
static gint
info_dialog_delete_callback (GtkWidget *w,
GdkEvent *e,
gpointer client_data) {
info_dialog_popdown ((InfoDialog *) client_data);
return FALSE;
}