gimp/app/gui/info-dialog.c

469 lines
12 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "core/core-types.h"
#include "info-dialog.h"
#include "gimprc.h"
#include "libgimp/gimpintl.h"
/* static functions */
static void info_field_new (InfoDialog *idialog,
InfoFieldType field_type,
gchar *title,
GtkWidget *widget,
GtkObject *object,
gpointer value_ptr,
GCallback callback,
gpointer callback_data);
static void update_field (InfoField *info_field);
static gint info_dialog_delete_callback (GtkWidget *widget,
GdkEvent *event,
gpointer data);
static void
info_field_new (InfoDialog *idialog,
InfoFieldType field_type,
gchar *title,
GtkWidget *widget,
GtkObject *obj,
gpointer value_ptr,
GCallback callback,
gpointer callback_data)
{
GtkWidget *label;
InfoField *field;
gint row;
field = g_new (InfoField, 1);
row = idialog->nfields + 1;
gtk_table_resize (GTK_TABLE (idialog->info_table), 2, row);
label = gtk_label_new (title);
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (idialog->info_table), label,
0, 1, row - 1, row,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
gtk_table_attach_defaults (GTK_TABLE (idialog->info_table), widget,
1, 2, row - 1, row);
gtk_widget_show (widget);
gtk_table_set_col_spacing (GTK_TABLE (idialog->info_table), 0, 6);
gtk_table_set_row_spacings (GTK_TABLE (idialog->info_table), 2);
field->field_type = field_type;
if (obj == NULL)
field->obj = GTK_OBJECT (widget);
else
field->obj = obj;
field->value_ptr = value_ptr;
field->callback = callback;
field->callback_data = callback_data;
idialog->field_list = g_slist_prepend (idialog->field_list, field);
idialog->nfields++;
}
static void
update_field (InfoField *field)
{
const gchar *old_text;
gint num;
gint i;
if (field->value_ptr == NULL)
return;
if (field->field_type != INFO_LABEL)
g_signal_handlers_block_by_func (G_OBJECT (field->obj),
field->callback,
field->callback_data);
switch (field->field_type)
{
case INFO_LABEL:
gtk_label_set_text (GTK_LABEL (field->obj), (gchar *) field->value_ptr);
break;
case INFO_ENTRY:
old_text = gtk_entry_get_text (GTK_ENTRY (field->obj));
if (strcmp (old_text, (gchar *) field->value_ptr))
gtk_entry_set_text (GTK_ENTRY (field->obj), (gchar *) field->value_ptr);
break;
case INFO_SCALE:
case INFO_SPINBUTTON:
gtk_adjustment_set_value (GTK_ADJUSTMENT (field->obj),
*((gdouble *) field->value_ptr));
break;
case INFO_SIZEENTRY:
num = GIMP_SIZE_ENTRY (field->obj)->number_of_fields;
for (i = 0; i < num; i++)
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (field->obj), i,
((gdouble *) field->value_ptr)[i]);
break;
default:
g_warning ("Unknown info_dialog field type.");
break;
}
if (field->field_type != INFO_LABEL)
g_signal_handlers_unblock_by_func (G_OBJECT (field->obj),
field->callback,
field->callback_data);
}
static gboolean
info_dialog_delete_callback (GtkWidget *widget,
GdkEvent *event,
gpointer data)
{
info_dialog_popdown ((InfoDialog *) data);
return TRUE;
}
static InfoDialog *
info_dialog_new_extended (gchar *title,
GimpHelpFunc help_func,
gpointer help_data,
gboolean in_notebook)
{
InfoDialog *idialog;
GtkWidget *shell;
GtkWidget *vbox;
GtkWidget *info_table;
GtkWidget *info_notebook;
idialog = g_new (InfoDialog, 1);
idialog->field_list = NULL;
idialog->nfields = 0;
shell = gtk_dialog_new ();
gtk_window_set_wmclass (GTK_WINDOW (shell), "info_dialog", "Gimp");
gtk_window_set_title (GTK_WINDOW (shell), title);
g_signal_connect (G_OBJECT (shell), "delete_event",
G_CALLBACK (info_dialog_delete_callback),
idialog);
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 4);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (shell)->vbox), vbox);
info_table = gtk_table_new (2, 0, FALSE);
if (in_notebook)
{
info_notebook = gtk_notebook_new ();
gtk_container_set_border_width (GTK_CONTAINER (info_table), 4);
gtk_notebook_append_page (GTK_NOTEBOOK (info_notebook),
info_table,
gtk_label_new (_("General")));
gtk_box_pack_start (GTK_BOX (vbox), info_notebook, FALSE, FALSE, 0);
}
else
{
info_notebook = NULL;
gtk_box_pack_start (GTK_BOX (vbox), info_table, FALSE, FALSE, 0);
}
idialog->shell = shell;
idialog->vbox = vbox;
idialog->info_table = info_table;
idialog->info_notebook = info_notebook;
if (in_notebook)
gtk_widget_show (idialog->info_notebook);
gtk_widget_show (idialog->info_table);
gtk_widget_show (idialog->vbox);
/* Connect the "F1" help key */
gimp_help_connect_help_accel (idialog->shell, help_func, help_data);
return idialog;
}
/* public functions */
InfoDialog *
info_dialog_notebook_new (gchar *title,
GimpHelpFunc help_func,
gpointer help_data)
{
return info_dialog_new_extended (title, help_func, help_data, TRUE);
}
InfoDialog *
info_dialog_new (gchar *title,
GimpHelpFunc help_func,
gpointer help_data)
{
return info_dialog_new_extended (title, help_func, help_data, FALSE);
}
void
info_dialog_free (InfoDialog *idialog)
{
GSList *list;
g_return_if_fail (idialog != NULL);
/* Free each item in the field list */
for (list = idialog->field_list; list; list = g_slist_next (list))
g_free (list->data);
/* Free the actual field linked list */
g_slist_free (idialog->field_list);
/* Destroy the associated widgets */
gtk_widget_destroy (idialog->shell);
/* Free the info dialog memory */
g_free (idialog);
}
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)
{
GSList *list;
if (! idialog)
return;
for (list = idialog->field_list; list; list = g_slist_next (list))
update_field ((InfoField *) list->data);
}
GtkWidget *
info_dialog_add_label (InfoDialog *idialog,
char *title,
char *text_ptr)
{
GtkWidget *label;
g_return_val_if_fail (idialog != NULL, NULL);
label = gtk_label_new (text_ptr);
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
info_field_new (idialog, INFO_LABEL, title, label, NULL,
text_ptr,
NULL, NULL);
return label;
}
GtkWidget *
info_dialog_add_entry (InfoDialog *idialog,
gchar *title,
gchar *text_ptr,
GCallback callback,
gpointer callback_data)
{
GtkWidget *entry;
g_return_val_if_fail (idialog != NULL, NULL);
entry = gtk_entry_new ();
gtk_widget_set_usize (entry, 50, 0);
gtk_entry_set_text (GTK_ENTRY (entry), text_ptr ? text_ptr : "");
if (callback)
g_signal_connect (G_OBJECT (entry), "changed",
callback,
callback_data);
info_field_new (idialog, INFO_ENTRY, title, entry, NULL,
text_ptr,
callback, callback_data);
return entry;
}
GtkWidget *
info_dialog_add_scale (InfoDialog *idialog,
gchar *title,
gdouble *value_ptr,
gfloat lower,
gfloat upper,
gfloat step_increment,
gfloat page_increment,
gfloat page_size,
gint digits,
GCallback callback,
gpointer callback_data)
{
GtkObject *adjustment;
GtkWidget *scale;
g_return_val_if_fail (idialog != NULL, NULL);
adjustment = gtk_adjustment_new (value_ptr ? *value_ptr : 0, lower, upper,
step_increment, page_increment, page_size);
scale = gtk_hscale_new (GTK_ADJUSTMENT (adjustment));
if (digits >= 0)
gtk_scale_set_digits (GTK_SCALE (scale), MAX (digits, 6));
else
gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
if (callback)
g_signal_connect (G_OBJECT (adjustment), "value_changed",
callback,
callback_data);
info_field_new (idialog, INFO_SCALE, title, scale, adjustment,
value_ptr,
callback, callback_data);
return scale;
}
GtkWidget *
info_dialog_add_spinbutton (InfoDialog *idialog,
gchar *title,
gdouble *value_ptr,
gfloat lower,
gfloat upper,
gfloat step_increment,
gfloat page_increment,
gfloat page_size,
gfloat climb_rate,
gint digits,
GCallback callback,
gpointer callback_data)
{
GtkWidget *alignment;
GtkObject *adjustment;
GtkWidget *spinbutton;
g_return_val_if_fail (idialog != NULL, NULL);
alignment = gtk_alignment_new (0.0, 0.5, 0.0, 1.0);
adjustment = gtk_adjustment_new (value_ptr ? *value_ptr : 0, lower, upper,
step_increment, page_increment, page_size);
spinbutton = gtk_spin_button_new (GTK_ADJUSTMENT (adjustment),
climb_rate, MAX (MIN (digits, 6), 0));
gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE);
gtk_widget_set_usize (spinbutton, 75, 0);
if (callback)
g_signal_connect (G_OBJECT (adjustment), "value_changed",
callback,
callback_data);
gtk_container_add (GTK_CONTAINER (alignment), spinbutton);
gtk_widget_show (spinbutton);
info_field_new (idialog, INFO_SPINBUTTON, title, alignment,
adjustment,
value_ptr,
callback, callback_data);
return spinbutton;
}
GtkWidget *
info_dialog_add_sizeentry (InfoDialog *idialog,
gchar *title,
gdouble *value_ptr,
gint nfields,
GimpUnit unit,
gchar *unit_format,
gboolean menu_show_pixels,
gboolean menu_show_percent,
gboolean show_refval,
GimpSizeEntryUpdatePolicy update_policy,
GCallback callback,
gpointer callback_data)
{
GtkWidget *alignment;
GtkWidget *sizeentry;
gint i;
g_return_val_if_fail (idialog != NULL, NULL);
alignment = gtk_alignment_new (0.0, 0.5, 0.0, 1.0);
sizeentry = gimp_size_entry_new (nfields, unit, unit_format,
menu_show_pixels, menu_show_percent,
show_refval, 75,
update_policy);
if (value_ptr)
for (i = 0; i < nfields; i++)
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (sizeentry), i, value_ptr[i]);
if (callback)
g_signal_connect (G_OBJECT (sizeentry), "value_changed",
callback,
callback_data);
gtk_container_add (GTK_CONTAINER (alignment), sizeentry);
gtk_widget_show (sizeentry);
info_field_new (idialog, INFO_SIZEENTRY, title, alignment,
GTK_OBJECT (sizeentry),
value_ptr,
callback, callback_data);
return sizeentry;
}