gimp/app/gimpui.c

504 lines
13 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpui.c
* Copyright (C) 1999 Michael Natterer <mitch@gimp.org>
*
* 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 "gimpui.h"
#include "libgimp/gimpsizeentry.h"
#include "libgimp/gimpintl.h"
/*
* String, integer, double and size query boxes
*/
typedef struct _QueryBox QueryBox;
struct _QueryBox
{
GtkWidget *qbox;
GtkWidget *vbox;
GtkWidget *entry;
GtkObject *object;
GimpQueryFunc callback;
gpointer data;
};
static QueryBox * create_query_box (gchar *, GimpHelpFunc, gchar *,
GtkSignalFunc,
gchar *, GtkObject *, gchar *,
GimpQueryFunc, gpointer);
static void query_box_cancel_callback (GtkWidget *, gpointer);
static void string_query_box_ok_callback (GtkWidget *, gpointer);
static void int_query_box_ok_callback (GtkWidget *, gpointer);
static void double_query_box_ok_callback (GtkWidget *, gpointer);
static void size_query_box_ok_callback (GtkWidget *, gpointer);
/* create a generic query box without any entry widget */
static QueryBox *
create_query_box (gchar *title,
GimpHelpFunc help_func,
gchar *help_data,
GtkSignalFunc ok_callback,
gchar *message,
GtkObject *object,
gchar *signal,
GimpQueryFunc callback,
gpointer data)
{
QueryBox *query_box;
GtkWidget *qbox;
GtkWidget *vbox;
GtkWidget *label;
query_box = g_new (QueryBox, 1);
qbox = gimp_dialog_new (title, "query_box",
help_func, help_data,
GTK_WIN_POS_MOUSE,
FALSE, TRUE, FALSE,
_("OK"), ok_callback,
query_box, NULL, NULL, TRUE, FALSE,
_("Cancel"), query_box_cancel_callback,
query_box, NULL, NULL, FALSE, TRUE,
NULL);
/* if we are associated with an object, connect to the provided signal */
if (object && GTK_IS_OBJECT (object) && signal)
gtk_signal_connect (GTK_OBJECT (object), signal,
(GtkSignalFunc) query_box_cancel_callback,
query_box);
else
object = NULL;
vbox = gtk_vbox_new (FALSE, 2);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 4);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (qbox)->vbox), vbox);
gtk_widget_show (vbox);
label = gtk_label_new (message);
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
query_box->qbox = qbox;
query_box->vbox = vbox;
query_box->entry = NULL;
query_box->object = object;
query_box->callback = callback;
query_box->data = data;
return query_box;
}
GtkWidget *
gimp_query_string_box (gchar *title,
GimpHelpFunc help_func,
gchar *help_data,
gchar *message,
gchar *initial,
GtkObject *object,
gchar *signal,
GimpQueryFunc callback,
gpointer data)
{
QueryBox *query_box;
GtkWidget *entry;
query_box = create_query_box (title, help_func, help_data,
string_query_box_ok_callback,
message, object, signal, callback, data);
entry = gtk_entry_new ();
gtk_box_pack_start (GTK_BOX (query_box->vbox), entry, FALSE, FALSE, 0);
if (initial)
gtk_entry_set_text (GTK_ENTRY (entry), initial);
gtk_widget_grab_focus (entry);
gtk_widget_show (entry);
query_box->entry = entry;
return query_box->qbox;
}
GtkWidget *
gimp_query_int_box (gchar *title,
GimpHelpFunc help_func,
gchar *help_data,
gchar *message,
gint initial,
gint lower,
gint upper,
GtkObject *object,
gchar *signal,
GimpQueryFunc callback,
gpointer data)
{
QueryBox *query_box;
GtkAdjustment* adjustment;
GtkWidget *spinbutton;
query_box = create_query_box (title, help_func, help_data,
int_query_box_ok_callback,
message, object, signal, callback, data);
adjustment =
GTK_ADJUSTMENT (gtk_adjustment_new (initial, lower, upper, 1, 10, 0));
spinbutton = gtk_spin_button_new (adjustment, 1.0, 0);
gtk_box_pack_start (GTK_BOX (query_box->vbox), spinbutton, FALSE, FALSE, 0);
gtk_widget_grab_focus (spinbutton);
gtk_widget_show (spinbutton);
query_box->entry = spinbutton;
return query_box->qbox;
}
GtkWidget *
gimp_query_double_box (gchar *title,
GimpHelpFunc help_func,
gchar *help_data,
gchar *message,
gdouble initial,
gdouble lower,
gdouble upper,
gint digits,
GtkObject *object,
gchar *signal,
GimpQueryFunc callback,
gpointer data)
{
QueryBox *query_box;
GtkAdjustment* adjustment;
GtkWidget *spinbutton;
query_box = create_query_box (title, help_func, help_data,
double_query_box_ok_callback,
message, object, signal, callback, data);
adjustment =
GTK_ADJUSTMENT (gtk_adjustment_new (initial, lower, upper, 1, 10, 0));
spinbutton = gtk_spin_button_new (adjustment, 1.0, digits);
gtk_box_pack_start (GTK_BOX (query_box->vbox), spinbutton, FALSE, FALSE, 0);
gtk_widget_grab_focus (spinbutton);
gtk_widget_show (spinbutton);
query_box->entry = spinbutton;
return query_box->qbox;
}
GtkWidget *
gimp_query_size_box (gchar *title,
GimpHelpFunc help_func,
gchar *help_data,
gchar *message,
gdouble initial,
gdouble lower,
gdouble upper,
gint digits,
GUnit unit,
gdouble resolution,
gboolean dot_for_dot,
GtkObject *object,
gchar *signal,
GimpQueryFunc callback,
gpointer data)
{
QueryBox *query_box;
GtkWidget *sizeentry;
query_box = create_query_box (title, help_func, help_data,
size_query_box_ok_callback,
message, object, signal, callback, data);
sizeentry = gimp_size_entry_new (1, unit, "%p", TRUE, FALSE, FALSE, 100,
GIMP_SIZE_ENTRY_UPDATE_SIZE);
if (dot_for_dot)
gimp_size_entry_set_unit (GIMP_SIZE_ENTRY (sizeentry), UNIT_PIXEL);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (sizeentry), 0,
resolution, FALSE);
gimp_size_entry_set_refval_digits (GIMP_SIZE_ENTRY (sizeentry), 0, digits);
gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (sizeentry), 0,
lower, upper);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (sizeentry), 0, initial);
gtk_box_pack_start (GTK_BOX (query_box->vbox), sizeentry, FALSE, FALSE, 0);
gimp_size_entry_grab_focus (GIMP_SIZE_ENTRY (sizeentry));
gtk_widget_show (sizeentry);
query_box->entry = sizeentry;
return query_box->qbox;
}
static void
query_box_cancel_callback (GtkWidget *widget,
gpointer data)
{
QueryBox *query_box;
query_box = (QueryBox *) data;
/* disconnect, if we are connected to some signal */
if (query_box->object)
gtk_signal_disconnect_by_data (query_box->object, query_box);
/* Destroy the box */
gtk_widget_destroy (query_box->qbox);
g_free (query_box);
}
static void
string_query_box_ok_callback (GtkWidget *widget,
gpointer data)
{
QueryBox *query_box;
gchar *string;
query_box = (QueryBox *) data;
gtk_widget_set_sensitive (query_box->qbox, FALSE);
/* disconnect, if we are connected to some signal */
if (query_box->object)
gtk_signal_disconnect_by_data (query_box->object, query_box);
/* Get the entry data */
string = g_strdup (gtk_entry_get_text (GTK_ENTRY (query_box->entry)));
/* Call the user defined callback */
(* query_box->callback) (query_box->qbox, query_box->data, (gpointer) string);
/* Destroy the box */
gtk_widget_destroy (query_box->qbox);
g_free (query_box);
}
static void
int_query_box_ok_callback (GtkWidget *widget,
gpointer data)
{
QueryBox *query_box;
gint *integer_value;
query_box = (QueryBox *) data;
gtk_widget_set_sensitive (query_box->qbox, FALSE);
/* disconnect, if we are connected to some signal */
if (query_box->object)
gtk_signal_disconnect_by_data (query_box->object, query_box);
/* Get the spinbutton data */
integer_value = g_malloc (sizeof (gint));
*integer_value =
gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (query_box->entry));
/* Call the user defined callback */
(* query_box->callback) (query_box->qbox, query_box->data,
(gpointer) integer_value);
/* Destroy the box */
gtk_widget_destroy (query_box->qbox);
g_free (query_box);
}
static void
double_query_box_ok_callback (GtkWidget *widget,
gpointer data)
{
QueryBox *query_box;
gdouble *double_value;
query_box = (QueryBox *) data;
gtk_widget_set_sensitive (query_box->qbox, FALSE);
/* disconnect, if we are connected to some signal */
if (query_box->object)
gtk_signal_disconnect_by_data (query_box->object, query_box);
/* Get the spinbutton data */
double_value = g_malloc (sizeof (gdouble));
*double_value =
gtk_spin_button_get_value_as_float (GTK_SPIN_BUTTON (query_box->entry));
/* Call the user defined callback */
(* query_box->callback) (query_box->qbox, query_box->data,
(gpointer) double_value);
/* Destroy the box */
gtk_widget_destroy (query_box->qbox);
g_free (query_box);
}
static void
size_query_box_ok_callback (GtkWidget *widget,
gpointer data)
{
QueryBox *query_box;
gdouble *double_value;
query_box = (QueryBox *) data;
gtk_widget_set_sensitive (query_box->qbox, FALSE);
/* disconnect, if we are connected to some signal */
if (query_box->object)
gtk_signal_disconnect_by_data (query_box->object, query_box);
/* Get the sizeentry data */
double_value = g_malloc (sizeof (gdouble));
*double_value =
gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (query_box->entry), 0);
/* Pass the selected unit to the callback */
gtk_object_set_data
(GTK_OBJECT (widget), "size_query_unit",
(gpointer) gimp_size_entry_get_unit (GIMP_SIZE_ENTRY (query_box->entry)));
/* Call the user defined callback */
(* query_box->callback) (query_box->qbox, query_box->data,
(gpointer) double_value);
/* Destroy the box */
gtk_widget_destroy (query_box->qbox);
g_free (query_box);
}
/*
* Message Boxes...
*/
typedef struct _MessageBox MessageBox;
struct _MessageBox
{
GtkWidget *mbox;
GtkCallback callback;
gpointer data;
};
static void gimp_message_box_close_callback (GtkWidget *, gpointer);
#define MESSAGE_BOX_MAXIMUM 7 /* the maximum number of concucrrent
* dialog boxes
*/
static gint message_pool = MESSAGE_BOX_MAXIMUM;
static gchar *message_box_last = NULL;
GtkWidget *
gimp_message_box (gchar *message,
GtkCallback callback,
gpointer data)
{
MessageBox *msg_box;
GtkWidget *mbox;
GtkWidget *vbox;
GtkWidget *label;
static gint repeat_count;
/* arguably, if message_pool <= 0 we could print to stdout */
if (!message || message_pool <= 0)
return NULL;
if (message_box_last && !strcmp (message_box_last, message))
{
repeat_count++;
if (repeat_count == 3)
message = "WARNING: message repeated too often, ignoring";
else if (repeat_count > 3)
return 0;
}
else
{
repeat_count = 0;
if (message_box_last)
g_free (message_box_last);
message_box_last = g_strdup (message);
}
if (message_pool == 1)
message = "WARNING: too many messages, close some dialog boxes first";
msg_box = g_new (MessageBox, 1);
mbox = gimp_dialog_new (_("GIMP Message"), "gimp_message",
NULL, NULL,
GTK_WIN_POS_MOUSE,
FALSE, FALSE, FALSE,
_("OK"), gimp_message_box_close_callback,
msg_box, NULL, NULL, TRUE, TRUE,
NULL);
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 6);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (mbox)->vbox), vbox);
gtk_widget_show (vbox);
label = gtk_label_new (message);
gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_LEFT);
gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, FALSE, 0);
gtk_widget_show (label);
msg_box->mbox = mbox;
msg_box->callback = callback;
msg_box->data = data;
gtk_widget_show (mbox);
/* allocate message box */
message_pool--;
return mbox;
}
static void
gimp_message_box_close_callback (GtkWidget *widget,
gpointer data)
{
MessageBox *msg_box;
msg_box = (MessageBox *) data;
/* If there is a valid callback, invoke it */
if (msg_box->callback)
(* msg_box->callback) (widget, msg_box->data);
/* Destroy the box */
gtk_widget_destroy (msg_box->mbox);
/* make this box available again */
message_pool++;
g_free (msg_box);
}