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a018b06a96e96e202992901b69ce3cded0ac6857
gimp/app/gui/file-new-dialog.c
Michael Natterer a018b06a96 Added preliminary support for image templates. Not finished yet. Addresses 
2003-04-03  Michael Natterer  <mitch@gimp.org>

	Added preliminary support for image templates. Not finished
	yet. Addresses bug #96059. Now we need a volunteer to create
	a nice collection of default templates...

	* app/core/Makefile.am
	* app/core/core-types.h
	* app/core/gimptemplate.[ch]
	* app/core/gimp-templates.[ch]: new files implementing the new
	GimpTemplate object and the list of available image templates.

	* app/core/gimp.[ch]: keep a container of templates around.

	* app/core/gimpimage-new.[ch]: ported to use GimpTemplate. Removed
	struct GimpImageNewValues.

	* app/widgets/gimpcontainermenuimpl.c: changed to show the
	"(none)" item for a NULL selection also, not only for an empty
	container.

	* app/widgets/gimppropwidgets.[ch]: added
	gimp_prop_size_entry_connect() which connects an externally
	created GimpSizeEntry to object properties. Fixed the size entry
	code to actually work.

	* app/gui/image-menu.c
	* app/gui/file-commands.[ch]: added "Save as Template" which
	creates a new template from any image's properties.

	* app/gui/file-new-dialog.c: use prop_widgets and GimpTemplate.
	Offer the available templates in a menu at the top of the dialog.
2003-04-03 17:50:56 +00:00

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995-1999 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 "libgimpmath/gimpmath.h"
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "gui-types.h"
#include "config/gimpconfig-utils.h"
#include "config/gimpguiconfig.h"
#include "core/gimp.h"
#include "core/gimpimage.h"
#include "core/gimpimage-new.h"
#include "core/gimptemplate.h"
#include "widgets/gimpcontainermenuimpl.h"
#include "widgets/gimppropwidgets.h"
#include "widgets/gimpviewabledialog.h"
#include "file-new-dialog.h"
#include "gimp-intl.h"
#define SB_WIDTH 10
typedef struct
{
GtkWidget *dialog;
GtkWidget *confirm_dialog;
GtkWidget *option_menu;
GtkWidget *container_menu;
GtkWidget *size_se;
GtkWidget *memsize_label;
GtkWidget *resolution_se;
GtkWidget *couple_resolutions;
GimpTemplate *template;
gdouble size;
Gimp *gimp;
} NewImageInfo;
/* local function prototypes */
static void file_new_confirm_dialog (NewImageInfo *info);
static void file_new_ok_callback (GtkWidget *widget,
NewImageInfo *info);
static void file_new_cancel_callback (GtkWidget *widget,
NewImageInfo *info);
static void file_new_reset_callback (GtkWidget *widget,
NewImageInfo *info);
static void file_new_template_notify (GimpTemplate *template,
GParamSpec *param_spec,
NewImageInfo *info);
static void file_new_template_select (GimpContainerMenu *menu,
GimpViewable *object,
gpointer insert_data,
NewImageInfo *info);
/* public functions */
void
file_new_dialog_create (Gimp *gimp,
GimpImage *gimage)
{
NewImageInfo *info;
GtkWidget *main_vbox;
GtkWidget *hbox;
GtkWidget *vbox;
GtkWidget *abox;
GtkWidget *frame;
GtkWidget *table;
GtkWidget *separator;
GtkWidget *label;
GtkObject *adjustment;
GtkWidget *spinbutton;
GtkWidget *spinbutton2;
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (gimage == NULL || GIMP_IS_IMAGE (gimage));
info = g_new0 (NewImageInfo, 1);
info->gimp = gimp;
info->template = gimp_image_new_template_new (gimp, gimage);
g_signal_connect (info->template, "notify",
G_CALLBACK (file_new_template_notify),
info);
info->dialog =
gimp_viewable_dialog_new (NULL,
_("New Image"), "new_image",
GIMP_STOCK_IMAGE,
_("Create a New Image"),
gimp_standard_help_func,
"dialogs/file_new.html",
GIMP_STOCK_RESET, file_new_reset_callback,
info, NULL, NULL, FALSE, FALSE,
GTK_STOCK_CANCEL, file_new_cancel_callback,
info, NULL, NULL, FALSE, TRUE,
GTK_STOCK_OK, file_new_ok_callback,
info, NULL, NULL, TRUE, FALSE,
NULL);
gtk_window_set_resizable (GTK_WINDOW (info->dialog), FALSE);
/* vbox holding the rest of the dialog */
main_vbox = gtk_vbox_new (FALSE, 4);
gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 4);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (info->dialog)->vbox),
main_vbox, TRUE, TRUE, 0);
gtk_widget_show (main_vbox);
hbox = gtk_hbox_new (FALSE, 4);
gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
label = gtk_label_new_with_mnemonic (_("From _Template:"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
info->option_menu = gtk_option_menu_new ();
gtk_box_pack_start (GTK_BOX (hbox), info->option_menu, TRUE, TRUE, 0);
gtk_widget_show (info->option_menu);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), info->option_menu);
info->container_menu = gimp_container_menu_new (gimp->templates, NULL, 16);
gtk_option_menu_set_menu (GTK_OPTION_MENU (info->option_menu),
info->container_menu);
gtk_widget_show (info->container_menu);
gimp_container_menu_select_item (GIMP_CONTAINER_MENU (info->container_menu),
NULL);
g_signal_connect (info->container_menu, "select_item",
G_CALLBACK (file_new_template_select),
info);
/* Image size frame */
frame = gtk_frame_new (_("Image Size"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 2);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
table = gtk_table_new (7, 2, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
gtk_table_set_row_spacings (GTK_TABLE (table), 2);
gtk_table_set_row_spacing (GTK_TABLE (table), 1, 4);
gtk_table_set_row_spacing (GTK_TABLE (table), 2, 4);
gtk_table_set_row_spacing (GTK_TABLE (table), 4, 4);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
gtk_widget_show (table);
/* the pixel size labels */
label = gtk_label_new (_("Width:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
label = gtk_label_new (_("Height:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 1, 2,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
/* a separator after the pixel section */
separator = gtk_hseparator_new ();
gtk_table_attach_defaults (GTK_TABLE (table), separator, 0, 2, 2, 3);
gtk_widget_show (separator);
/* the unit size labels */
label = gtk_label_new (_("Width:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 3, 4,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
label = gtk_label_new (_("Height:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 4, 5,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
/* create the sizeentry which keeps it all together */
abox = gtk_alignment_new (0.0, 0.5, 0.0, 0.0);
gtk_table_attach_defaults (GTK_TABLE (table), abox, 1, 2, 3, 5);
gtk_widget_show (abox);
info->size_se = gimp_size_entry_new (0, info->template->unit, "%a",
FALSE, FALSE, TRUE, SB_WIDTH,
GIMP_SIZE_ENTRY_UPDATE_SIZE);
gtk_table_set_col_spacing (GTK_TABLE (info->size_se), 1, 4);
gtk_table_set_row_spacing (GTK_TABLE (info->size_se), 1, 2);
gtk_container_add (GTK_CONTAINER (abox), info->size_se);
gtk_widget_show (info->size_se);
/* height in units */
spinbutton = gimp_spin_button_new (&adjustment,
1, 1, 1, 1, 10, 0,
1, 2);
gtk_entry_set_width_chars (GTK_ENTRY (spinbutton), SB_WIDTH);
/* add the "height in units" spinbutton to the sizeentry */
gtk_table_attach_defaults (GTK_TABLE (info->size_se), spinbutton,
0, 1, 2, 3);
gtk_widget_show (spinbutton);
/* height in pixels */
hbox = gtk_hbox_new (FALSE, 4);
spinbutton2 = gimp_spin_button_new (&adjustment,
1, 1, 1, 1, 10, 0,
1, 0);
gtk_entry_set_width_chars (GTK_ENTRY (spinbutton2), SB_WIDTH);
gtk_box_pack_start (GTK_BOX (hbox), spinbutton2, FALSE, FALSE, 0);
gtk_widget_show (spinbutton2);
label = gtk_label_new (_("Pixels"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
info->memsize_label = gtk_label_new (NULL);
gtk_box_pack_end (GTK_BOX (hbox), info->memsize_label, FALSE, FALSE, 0);
gtk_widget_show (info->memsize_label);
/* add the "height in pixels" spinbutton to the main table */
gtk_table_attach_defaults (GTK_TABLE (table), hbox, 1, 2, 1, 2);
gtk_widget_show (hbox);
/* register the height spinbuttons with the sizeentry */
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (info->size_se),
GTK_SPIN_BUTTON (spinbutton),
GTK_SPIN_BUTTON (spinbutton2));
/* width in units */
spinbutton = gimp_spin_button_new (&adjustment,
1, 1, 1, 1, 10, 0,
1, 2);
gtk_entry_set_width_chars (GTK_ENTRY (spinbutton), SB_WIDTH);
/* add the "width in units" spinbutton to the sizeentry */
gtk_table_attach_defaults (GTK_TABLE (info->size_se), spinbutton,
0, 1, 1, 2);
gtk_widget_show (spinbutton);
/* width in pixels */
abox = gtk_alignment_new (0.0, 0.5, 0.0, 0.0);
gtk_table_attach_defaults (GTK_TABLE (table), abox, 1, 2, 0, 1);
gtk_widget_show (abox);
spinbutton2 = gimp_spin_button_new (&adjustment,
1, 1, 1, 1, 10, 0,
1, 0);
gtk_entry_set_width_chars (GTK_ENTRY (spinbutton2), SB_WIDTH);
/* add the "width in pixels" spinbutton to the main table */
gtk_container_add (GTK_CONTAINER (abox), spinbutton2);
gtk_widget_show (spinbutton2);
/* register the width spinbuttons with the sizeentry */
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (info->size_se),
GTK_SPIN_BUTTON (spinbutton),
GTK_SPIN_BUTTON (spinbutton2));
/* initialize the sizeentry */
gimp_prop_size_entry_connect (G_OBJECT (info->template),
"width", "height", "unit",
info->size_se, NULL,
info->template->xresolution,
info->template->yresolution);
/* the resolution labels */
label = gtk_label_new (_("Resolution X:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 5, 6,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
label = gtk_label_new (_("Y:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 6, 7,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
/* the resolution sizeentry */
abox = gtk_alignment_new (0.0, 0.5, 0.0, 0.0);
gtk_table_attach_defaults (GTK_TABLE (table), abox, 1, 2, 5, 7);
gtk_widget_show (abox);
spinbutton = gimp_spin_button_new (&adjustment,
1, 1, 1, 1, 10, 0,
1, 2);
gtk_entry_set_width_chars (GTK_ENTRY (spinbutton), SB_WIDTH);
info->resolution_se = gimp_size_entry_new (1, info->template->resolution_unit,
_("pixels/%a"),
FALSE, FALSE, FALSE, SB_WIDTH,
GIMP_SIZE_ENTRY_UPDATE_RESOLUTION);
gtk_table_set_col_spacing (GTK_TABLE (info->resolution_se), 1, 2);
gtk_table_set_col_spacing (GTK_TABLE (info->resolution_se), 2, 2);
gtk_table_set_row_spacing (GTK_TABLE (info->resolution_se), 0, 2);
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (info->resolution_se),
GTK_SPIN_BUTTON (spinbutton), NULL);
gtk_table_attach_defaults (GTK_TABLE (info->resolution_se), spinbutton,
1, 2, 0, 1);
gtk_widget_show (spinbutton);
gtk_container_add (GTK_CONTAINER (abox), info->resolution_se);
gtk_widget_show (info->resolution_se);
/* the resolution chainbutton */
info->couple_resolutions = gimp_chain_button_new (GIMP_CHAIN_RIGHT);
gtk_table_attach_defaults (GTK_TABLE (info->resolution_se),
info->couple_resolutions, 2, 3, 0, 2);
gtk_widget_show (info->couple_resolutions);
gimp_prop_size_entry_connect (G_OBJECT (info->template),
"xresolution", "yresolution",
"resolution-unit",
info->resolution_se,
info->couple_resolutions,
1.0, 1.0);
/* hbox containing the Image type and fill type frames */
hbox = gtk_hbox_new (FALSE, 4);
gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
/* frame for Image Type */
frame = gimp_prop_enum_radio_frame_new (G_OBJECT (info->template),
"image-type",
_("Image Type"),
GIMP_RGB, GIMP_GRAY);
gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
/* frame for Fill Type */
frame = gimp_prop_enum_radio_frame_new (G_OBJECT (info->template),
"fill-type",
_("Fill Type"),
-1, -1);
gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
gimp_size_entry_grab_focus (GIMP_SIZE_ENTRY (info->size_se));
gtk_widget_show (info->dialog);
}
/* private functions */
static void
file_new_ok_callback (GtkWidget *widget,
NewImageInfo *info)
{
if (info->size > GIMP_GUI_CONFIG (info->gimp->config)->max_new_image_size)
{
file_new_confirm_dialog (info);
}
else
{
gtk_widget_destroy (info->dialog);
gimp_image_new_create_image (info->gimp, info->template);
g_object_unref (info->template);
g_free (info);
}
}
static void
file_new_cancel_callback (GtkWidget *widget,
NewImageInfo *info)
{
gtk_widget_destroy (info->dialog);
g_object_unref (info->template);
g_free (info);
}
static void
file_new_reset_callback (GtkWidget *widget,
NewImageInfo *info)
{
gint width;
gint height;
width = info->gimp->config->default_image_width;
height = info->gimp->config->default_image_height;
gimp_template_set_from_config (info->template, info->gimp->config);
g_object_set (info->template,
"width", width,
"height", height,
"fill-type", GIMP_BACKGROUND_FILL,
NULL);
gimp_container_menu_select_item (GIMP_CONTAINER_MENU (info->container_menu),
NULL);
}
/* local callback of file_new_confirm_dialog() */
static void
file_new_confirm_dialog_callback (GtkWidget *widget,
gboolean create,
gpointer data)
{
NewImageInfo *info = (NewImageInfo*) data;
info->confirm_dialog = NULL;
if (create)
{
gtk_widget_destroy (info->dialog);
gimp_image_new_create_image (info->gimp, info->template);
g_object_unref (info->template);
g_free (info);
}
else
{
gtk_widget_set_sensitive (info->dialog, TRUE);
}
}
static void
file_new_confirm_dialog (NewImageInfo *info)
{
gchar *size;
gchar *max_size;
gchar *text;
size = gimp_image_new_get_memsize_string (info->size);
max_size = gimp_image_new_get_memsize_string (GIMP_GUI_CONFIG (info->gimp->config)->max_new_image_size);
text = g_strdup_printf (_("You are trying to create an image with\n"
"an initial size of %s.\n\n"
"Choose OK to create this image anyway.\n"
"Choose Cancel if you did not intend to\n"
"create such a large image.\n\n"
"To prevent this dialog from appearing,\n"
"increase the \"Maximum Image Size\"\n"
"setting (currently %s) in the\n"
"Preferences dialog."),
size, max_size);
info->confirm_dialog =
gimp_query_boolean_box (_("Confirm Image Size"),
gimp_standard_help_func,
"dialogs/file_new.html#confirm_size",
GIMP_STOCK_INFO,
text,
GTK_STOCK_OK, GTK_STOCK_CANCEL,
NULL, NULL,
file_new_confirm_dialog_callback,
info);
g_free (text);
g_free (max_size);
g_free (size);
gtk_window_set_transient_for (GTK_WINDOW (info->confirm_dialog),
GTK_WINDOW (info->dialog));
gtk_widget_set_sensitive (info->dialog, FALSE);
gtk_widget_show (info->confirm_dialog);
}
static void
file_new_template_notify (GimpTemplate *template,
GParamSpec *param_spec,
NewImageInfo *info)
{
gchar *text;
if (! strcmp (param_spec->name, "xresolution"))
{
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (info->size_se), 0,
template->xresolution, FALSE);
}
else if (! strcmp (param_spec->name, "yresolution"))
{
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (info->size_se), 1,
template->yresolution, FALSE);
}
info->size = gimp_template_calc_memsize (info->template);
text = gimp_image_new_get_memsize_string (info->size);
gtk_label_set_text (GTK_LABEL (info->memsize_label), text);
g_free (text);
}
static void
file_new_template_select (GimpContainerMenu *menu,
GimpViewable *object,
gpointer insert_data,
NewImageInfo *info)
{
if (object)
{
gint width;
gint height;
width = GIMP_TEMPLATE (object)->width;
height = GIMP_TEMPLATE (object)->height;
gimp_config_copy_properties (G_OBJECT (object),
G_OBJECT (info->template));
g_object_set (info->template,
"width", width,
"height", height,
NULL);
}
}
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