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gimp/app/gimpui.c

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/* 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 "gimpui.h"
#include "libgimp/gimpsizeentry.h"
#include "libgimp/gimpintl.h"
/* #include "pixmaps/wilber.xpm" */
/*
* Widget Constructors...
*/
/* local callbacks of gimp_dialog_new () */
static gint
gimp_dialog_delete_callback (GtkWidget *widget,
GdkEvent *event,
gpointer data)
{
GtkSignalFunc cancel_callback;
GtkWidget *cancel_widget;
cancel_callback =
(GtkSignalFunc) gtk_object_get_data (GTK_OBJECT (widget),
"gimp_dialog_cancel_callback");
cancel_widget =
(GtkWidget*) gtk_object_get_data (GTK_OBJECT (widget),
"gimp_dialog_cancel_widget");
/* the cancel callback has to destroy the dialog */
if (cancel_callback)
(* cancel_callback) (cancel_widget, data);
return TRUE;
}
/*
static void
gimp_dialog_realize_callback (GtkWidget *widget,
gpointer data)
{
static GdkPixmap *wilber_pixmap = NULL;
static GdkBitmap *wilber_mask = NULL;
GtkStyle *style;
style = gtk_widget_get_style (widget);
if (wilber_pixmap == NULL)
wilber_pixmap =
gdk_pixmap_create_from_xpm_d (widget->window,
&wilber_mask,
&style->bg[GTK_STATE_NORMAL],
gimp_xpm);
gdk_window_set_icon (widget->window, NULL,
wilber_pixmap, wilber_mask);
}
*/
GtkWidget *
gimp_dialog_new (const gchar *title,
const gchar *wmclass_name,
GimpHelpFunc help_func,
gchar *help_data,
GtkWindowPosition position,
gint allow_shrink,
gint allow_grow,
gint auto_shrink,
/* specify action area buttons as va_list:
* gchar *label,
* GtkSignalFunc callback,
* gpointer data,
* GtkWidget **widget_ptr,
* gboolean default_action,
* gboolean connect_delete,
*/
...)
{
GtkWidget *dialog;
va_list args;
va_start (args, auto_shrink);
dialog = gimp_dialog_newv (title,
wmclass_name,
help_func,
help_data,
position,
allow_shrink,
allow_grow,
auto_shrink,
args);
va_end (args);
return dialog;
}
GtkWidget *
gimp_dialog_newv (const gchar *title,
const gchar *wmclass_name,
GimpHelpFunc help_func,
gchar *help_data,
GtkWindowPosition position,
gint allow_shrink,
gint allow_grow,
gint auto_shrink,
va_list args)
{
GtkWidget *dialog;
g_return_val_if_fail (title != NULL, NULL);
g_return_val_if_fail (wmclass_name != NULL, NULL);
dialog = gtk_dialog_new ();
gtk_window_set_wmclass (GTK_WINDOW (dialog), wmclass_name, "Gimp");
gtk_window_set_title (GTK_WINDOW (dialog), title);
gtk_window_set_position (GTK_WINDOW (dialog), position);
gtk_window_set_policy (GTK_WINDOW (dialog),
allow_shrink, allow_grow, auto_shrink);
/* prepare the action_area */
gimp_dialog_create_action_areav (GTK_DIALOG (dialog), args);
/* the realize callback sets the WM icon */
/*
gtk_signal_connect (GTK_OBJECT (dialog), "realize",
(GtkSignalFunc) gimp_dialog_realize_callback,
NULL);
*/
/* connect the "F1" help key */
if (help_func)
gimp_help_connect_help_accel (dialog, help_func, help_data);
return dialog;
}
void
gimp_dialog_create_action_area (GtkDialog *dialog,
/* specify action area buttons as va_list:
* gchar *label,
* GtkSignalFunc callback,
* gpointer data,
* GtkWidget **widget_ptr,
* gboolean default_action,
* gboolean connect_delete,
*/
...)
{
va_list args;
va_start (args, dialog);
gimp_dialog_create_action_areav (dialog, args);
va_end (args);
}
void
gimp_dialog_create_action_areav (GtkDialog *dialog,
va_list args)
{
GtkWidget *hbbox;
GtkWidget *button;
/* action area variables */
gchar *label;
GtkSignalFunc callback;
gpointer data;
GtkWidget **widget_ptr;
gboolean default_action;
gboolean connect_delete;
gboolean delete_connected = FALSE;
g_return_if_fail (dialog != NULL);
g_return_if_fail (GTK_IS_DIALOG (dialog));
/* prepare the action_area */
label = va_arg (args, gchar*);
if (label)
{
gtk_container_set_border_width (GTK_CONTAINER (dialog->action_area), 2);
gtk_box_set_homogeneous (GTK_BOX (dialog->action_area), FALSE);
hbbox = gtk_hbutton_box_new ();
gtk_button_box_set_spacing (GTK_BUTTON_BOX (hbbox), 4);
gtk_box_pack_end (GTK_BOX (dialog->action_area), hbbox, FALSE, FALSE, 0);
gtk_widget_show (hbbox);
}
/* the action_area buttons */
while (label)
{
callback = va_arg (args, GtkSignalFunc);
data = va_arg (args, gpointer);
widget_ptr = va_arg (args, gpointer);
default_action = va_arg (args, gboolean);
connect_delete = va_arg (args, gboolean);
button = gtk_button_new_with_label (label);
GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
gtk_box_pack_start (GTK_BOX (hbbox), button, FALSE, FALSE, 0);
/* pass data as user_data if data != NULL, or the dialog otherwise */
if (callback)
gtk_signal_connect (GTK_OBJECT (button), "clicked",
GTK_SIGNAL_FUNC (callback),
data ? data : dialog);
if (widget_ptr)
*widget_ptr = button;
if (connect_delete && callback && !delete_connected)
{
gtk_object_set_data (GTK_OBJECT (dialog),
"gimp_dialog_cancel_callback",
callback);
gtk_object_set_data (GTK_OBJECT (dialog),
"gimp_dialog_cancel_widget",
button);
/* catch the WM delete event */
gtk_signal_connect (GTK_OBJECT (dialog), "delete_event",
(GdkEventFunc) gimp_dialog_delete_callback,
data ? data : dialog);
delete_connected = TRUE;
}
if (default_action)
gtk_widget_grab_default (button);
gtk_widget_show (button);
label = va_arg (args, gchar*);
}
}
GtkWidget *
gimp_option_menu_new (GtkSignalFunc menu_item_callback,
gpointer initial, /* user_data */
/* specify menu items as va_list:
* gchar *label,
* gpointer data,
* gpointer user_data,
*/
...)
{
GtkWidget *menu;
GtkWidget *menuitem;
GtkWidget *optionmenu;
/* menu item variables */
gchar *label;
gpointer data;
gpointer user_data;
va_list args;
gint i;
gint initial_index;
menu = gtk_menu_new ();
/* create the menu items */
initial_index = 0;
va_start (args, initial);
label = va_arg (args, gchar*);
for (i = 0; label; i++)
{
data = va_arg (args, gpointer);
user_data = va_arg (args, gpointer);
menuitem = gtk_menu_item_new_with_label (label);
gtk_menu_append (GTK_MENU (menu), menuitem);
gtk_signal_connect (GTK_OBJECT (menuitem), "activate",
menu_item_callback, data);
gtk_object_set_user_data (GTK_OBJECT (menuitem), user_data);
gtk_widget_show (menuitem);
/* remember the initial menu item */
if (user_data == initial)
initial_index = i;
label = va_arg (args, gchar*);
}
va_end (args);
optionmenu = gtk_option_menu_new ();
gtk_option_menu_set_menu (GTK_OPTION_MENU (optionmenu), menu);
/* select the initial menu item */
gtk_option_menu_set_history (GTK_OPTION_MENU (optionmenu), initial_index);
return optionmenu;
}
GtkWidget *
gimp_radio_group_new (GtkSignalFunc radio_button_callback,
gpointer initial, /* user_data */
/* specify radio buttons as va_list:
* gchar *label,
* gpointer data,
* gpointer user_data,
*/
...)
{
GtkWidget *vbox;
GtkWidget *button;
GSList *group;
/* radio button variables */
gchar *label;
gpointer data;
gpointer user_data;
va_list args;
vbox = gtk_vbox_new (FALSE, 1);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 2);
group = NULL;
/* create the radio buttons */
va_start (args, initial);
label = va_arg (args, gchar*);
while (label)
{
data = va_arg (args, gpointer);
user_data = va_arg (args, gpointer);
button = gtk_radio_button_new_with_label (group, label);
group = gtk_radio_button_group (GTK_RADIO_BUTTON (button));
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
gtk_signal_connect (GTK_OBJECT (button), "toggled",
(GtkSignalFunc) radio_button_callback,
data);
gtk_object_set_user_data (GTK_OBJECT (button), user_data);
/* press the initially active radio button */
if (user_data == initial)
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
gtk_widget_show (button);
label = va_arg (args, gchar*);
}
va_end (args);
return vbox;
}
GtkWidget *
gimp_spin_button_new (GtkObject **adjustment, /* return value */
gfloat value,
gfloat lower,
gfloat upper,
gfloat step_increment,
gfloat page_increment,
gfloat page_size,
gfloat climb_rate,
guint digits)
{
GtkWidget *spinbutton;
*adjustment = gtk_adjustment_new (value, lower, upper,
step_increment, page_increment, page_size);
spinbutton = gtk_spin_button_new (GTK_ADJUSTMENT (*adjustment),
climb_rate, digits);
gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON (spinbutton),
GTK_SHADOW_NONE);
gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE);
gtk_widget_set_usize (spinbutton, 75, 0);
return spinbutton;
}
/*
* 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, TRUE, FALSE,
_("Cancel"), query_box_cancel_callback,
query_box, 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);
GtkWidget *
gimp_message_box (gchar *message,
GtkCallback callback,
gpointer data)
{
MessageBox *msg_box;
GtkWidget *mbox;
GtkWidget *vbox;
GtkWidget *label;
if (! message)
return NULL;
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, 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);
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);
g_free (msg_box);
}
/*
* Helper Functions...
*/
/* add aligned label & widget to a two-column table */
void
gimp_table_attach_aligned (GtkTable *table,
gint row,
gchar *text,
gfloat xalign,
gfloat yalign,
GtkWidget *widget,
gboolean left_adjust)
{
GtkWidget *label;
label = gtk_label_new (text);
gtk_misc_set_alignment (GTK_MISC (label), xalign, yalign);
gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_RIGHT);
gtk_table_attach (table, GTK_WIDGET (label), 0, 1, row, row + 1,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
if (left_adjust)
{
GtkWidget *alignment;
alignment = gtk_alignment_new (0.0, 1.0, 0.0, 0.0);
gtk_table_attach_defaults (table, alignment, 1, 2, row, row + 1);
gtk_widget_show (alignment);
gtk_container_add (GTK_CONTAINER (alignment), widget);
}
else
{
gtk_table_attach_defaults (table, widget, 1, 2, row, row + 1);
}
gtk_widget_show (widget);
}
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