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gimp/plug-ins/print/print-page-layout.c

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/* 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 <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "print.h"
#include "print-page-layout.h"
#include "libgimp/stdplugins-intl.h"
#define LAYOUT_PREVIEW_SIZE 200
typedef struct
{
PrintData *data;
GimpSizeEntry *size_entry;
GimpSizeEntry *resolution_entry;
GimpChainButton *chain;
} PrintSizeInfo;
static void run_page_setup_dialog (GtkWidget *widget,
PrintData *data);
static GtkWidget * print_size_frame (PrintData *data);
static void print_size_info_size_changed (GtkWidget *widget,
PrintSizeInfo *info);
static void print_size_info_resolution_changed (GtkWidget *widget,
PrintSizeInfo *info);
static void print_size_info_set_size (PrintSizeInfo *info,
gdouble width,
gdouble height);
static void print_size_info_set_resolution (PrintSizeInfo *info,
gdouble xres,
gdouble yres);
static void print_size_info_unit_changed (GtkWidget *widget,
PrintSizeInfo *info);
GtkWidget *
print_page_layout_gui (PrintData *data)
{
GtkWidget *main_vbox;
GtkWidget *caption_vbox;
GtkWidget *scroll;
GtkWidget *text_view;
GtkWidget *label;
GtkWidget *hbox;
GtkWidget *button;
GtkWidget *frame;
main_vbox = gtk_vbox_new (FALSE, 0);
hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, FALSE, 10);
gtk_widget_show (hbox);
button = gtk_button_new_with_label (_("Page Setup"));
gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 5);
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (run_page_setup_dialog),
data);
gtk_widget_show (button);
button = gtk_check_button_new_with_label (_("Show image info header"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button),
data->show_info_header);
gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 5);
g_signal_connect (G_OBJECT (button), "toggled",
G_CALLBACK (gimp_toggle_button_update),
&data->show_info_header);
gtk_widget_show (button);
hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, FALSE, 10);
gtk_widget_show (hbox);
/* size entry area for the image's print size */
frame = print_size_frame (data);
gtk_box_pack_start (GTK_BOX (hbox), frame, FALSE, FALSE, 10);
gtk_widget_show (frame);
caption_vbox = gtk_vbox_new (FALSE, 0);
gtk_box_pack_end (GTK_BOX (main_vbox), caption_vbox, FALSE, FALSE, 2);
gtk_widget_show (caption_vbox);
hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (caption_vbox), hbox, FALSE, FALSE, 2);
gtk_widget_show (hbox);
label = gtk_label_new (_("Caption"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 10);
gtk_widget_show (label);
scroll = gtk_scrolled_window_new (NULL, NULL);
gtk_widget_set_size_request (scroll, 300, 100);
gtk_box_pack_start (GTK_BOX (caption_vbox), scroll, TRUE, TRUE, 0);
gtk_widget_show (scroll);
text_view = gtk_text_view_new ();
gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW(text_view), GTK_WRAP_CHAR);
gtk_container_add (GTK_CONTAINER (scroll), text_view);
data->caption_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
gtk_widget_show (text_view);
return main_vbox;
}
static void
run_page_setup_dialog (GtkWidget *widget,
PrintData *data)
{
GtkPrintOperation *operation;
GtkPrintSettings *settings;
GtkPageSetup *page_setup;
GtkWidget *toplevel;
operation = data->operation;
/* find a transient parent if possible */
toplevel = gtk_widget_get_toplevel (widget);
if (! GTK_WIDGET_TOPLEVEL (toplevel))
toplevel = NULL;
settings = gtk_print_operation_get_print_settings (operation);
if (! settings)
settings = gtk_print_settings_new ();
page_setup = gtk_print_operation_get_default_page_setup (operation);
page_setup = gtk_print_run_page_setup_dialog (GTK_WINDOW (toplevel),
page_setup, settings);
gtk_print_operation_set_default_page_setup (operation, page_setup);
/* needed for previewing */
data->orientation = gtk_page_setup_get_orientation (page_setup);
}
#define SB_WIDTH 8
/*
* the code below is copied from app/dialogs/print-size-dialog.c
* with minimal changes. Bleeah!
*/
static GtkWidget *
print_size_frame (PrintData *data)
{
PrintSizeInfo *info;
GtkWidget *table;
GtkWidget *entry;
GtkWidget *label;
GtkWidget *width;
GtkWidget *height;
GtkWidget *hbox;
GtkWidget *chain;
GtkWidget *frame;
GtkObject *adj;
GList *focus_chain = NULL;
gint image_width;
gint image_height;
info = g_new0 (PrintSizeInfo, 1);
info->data = data;
image_width = gimp_image_width (data->image_id);
image_height = gimp_image_height (data->image_id);
frame = gimp_frame_new (_("Print Size"));
gtk_container_set_border_width (GTK_CONTAINER (frame), 12);
gtk_widget_show (frame);
table = gtk_table_new (4, 3, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (table), 0, 6);
gtk_table_set_row_spacings (GTK_TABLE (table), 12);
gtk_table_set_row_spacing (GTK_TABLE (table), 0, 2);
gtk_table_set_row_spacing (GTK_TABLE (table), 2, 2);
gtk_container_add (GTK_CONTAINER (frame), table);
gtk_widget_show (table);
/* the print size entry */
width = gimp_spin_button_new (&adj, 1, 1, 1, 1, 10, 0, 1, 2);
gtk_entry_set_width_chars (GTK_ENTRY (width), SB_WIDTH);
height = gimp_spin_button_new (&adj, 1, 1, 1, 1, 10, 0, 1, 2);
gtk_entry_set_width_chars (GTK_ENTRY (height), SB_WIDTH);
entry = gimp_size_entry_new (0, data->unit, "%p",
FALSE, FALSE, FALSE, SB_WIDTH,
GIMP_SIZE_ENTRY_UPDATE_SIZE);
info->size_entry = GIMP_SIZE_ENTRY (entry);
label = gtk_label_new (_("Width:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 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), 0.0, 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);
hbox = gtk_hbox_new (FALSE, 0);
gtk_table_attach_defaults (GTK_TABLE (table), hbox, 1, 2, 0, 2);
gtk_widget_show (hbox);
gtk_table_set_row_spacing (GTK_TABLE (entry), 0, 2);
gtk_table_set_col_spacing (GTK_TABLE (entry), 1, 6);
gtk_box_pack_start (GTK_BOX (hbox), entry, FALSE, FALSE, 0);
gtk_widget_show (entry);
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry),
GTK_SPIN_BUTTON (height), NULL);
gtk_table_attach_defaults (GTK_TABLE (entry), height, 0, 1, 1, 2);
gtk_widget_show (height);
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry),
GTK_SPIN_BUTTON (width), NULL);
gtk_table_attach_defaults (GTK_TABLE (entry), width, 0, 1, 0, 1);
gtk_widget_show (width);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (entry), 0,
data->xres, FALSE);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (entry), 1,
data->yres, FALSE);
gimp_size_entry_set_refval_boundaries
(GIMP_SIZE_ENTRY (entry), 0, GIMP_MIN_IMAGE_SIZE, GIMP_MAX_IMAGE_SIZE);
gimp_size_entry_set_refval_boundaries
(GIMP_SIZE_ENTRY (entry), 1, GIMP_MIN_IMAGE_SIZE, GIMP_MAX_IMAGE_SIZE);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (entry), 0, image_width);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (entry), 1, image_height);
/* the resolution entry */
width = gimp_spin_button_new (&adj, 1, 1, 1, 1, 10, 0, 1, 2);
gtk_entry_set_width_chars (GTK_ENTRY (width), SB_WIDTH);
height = gimp_spin_button_new (&adj, 1, 1, 1, 1, 10, 0, 1, 2);
gtk_entry_set_width_chars (GTK_ENTRY (height), SB_WIDTH);
label = gtk_label_new (_("X resolution:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), width);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 2, 3,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
label = gtk_label_new (_("Y resolution:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 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);
hbox = gtk_hbox_new (FALSE, 0);
gtk_table_attach_defaults (GTK_TABLE (table), hbox, 1, 2, 2, 4);
gtk_widget_show (hbox);
entry = gimp_size_entry_new (0, data->unit, _("pixels/%a"),
FALSE, FALSE, FALSE, SB_WIDTH,
GIMP_SIZE_ENTRY_UPDATE_RESOLUTION);
info->resolution_entry = GIMP_SIZE_ENTRY (entry);
gtk_table_set_row_spacing (GTK_TABLE (entry), 0, 2);
gtk_table_set_col_spacing (GTK_TABLE (entry), 1, 2);
gtk_table_set_col_spacing (GTK_TABLE (entry), 2, 2);
gtk_box_pack_start (GTK_BOX (hbox), entry, FALSE, FALSE, 0);
gtk_widget_show (entry);
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry),
GTK_SPIN_BUTTON (height), NULL);
gtk_table_attach_defaults (GTK_TABLE (entry), height, 0, 1, 1, 2);
gtk_widget_show (height);
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry),
GTK_SPIN_BUTTON (width), NULL);
gtk_table_attach_defaults (GTK_TABLE (entry), width, 0, 1, 0, 1);
gtk_widget_show (width);
gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (entry), 0,
GIMP_MIN_RESOLUTION,
GIMP_MAX_RESOLUTION);
gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (entry), 1,
GIMP_MIN_RESOLUTION,
GIMP_MAX_RESOLUTION);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (entry), 0, data->xres);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (entry), 1, data->yres);
chain = gimp_chain_button_new (GIMP_CHAIN_RIGHT);
gimp_chain_button_set_active (GIMP_CHAIN_BUTTON (chain), TRUE);
gtk_table_attach_defaults (GTK_TABLE (entry), chain, 1, 2, 0, 2);
gtk_widget_show (chain);
info->chain = GIMP_CHAIN_BUTTON (chain);
focus_chain = g_list_prepend (focus_chain, GIMP_SIZE_ENTRY (entry)->unitmenu);
focus_chain = g_list_prepend (focus_chain, chain);
focus_chain = g_list_prepend (focus_chain, height);
focus_chain = g_list_prepend (focus_chain, width);
gtk_container_set_focus_chain (GTK_CONTAINER (entry), focus_chain);
g_list_free (focus_chain);
g_signal_connect (info->size_entry, "value-changed",
G_CALLBACK (print_size_info_size_changed),
info);
g_signal_connect (info->resolution_entry, "value-changed",
G_CALLBACK (print_size_info_resolution_changed),
info);
g_signal_connect (info->size_entry, "unit-changed",
G_CALLBACK (print_size_info_unit_changed),
info);
return frame;
}
static void
print_size_info_size_changed (GtkWidget *widget,
PrintSizeInfo *info)
{
gdouble width;
gdouble height;
gdouble xres;
gdouble yres;
gdouble scale;
PrintData *data = info->data;
gint image_width = gimp_image_width (data->image_id);
gint image_height = gimp_image_height (data->image_id);
scale = gimp_unit_get_factor (gimp_size_entry_get_unit (info->size_entry));
width = gimp_size_entry_get_value (info->size_entry, 0);
height = gimp_size_entry_get_value (info->size_entry, 1);
xres = scale * image_width / MAX (0.001, width);
yres = scale * image_height / MAX (0.001, height);
xres = CLAMP (xres, GIMP_MIN_RESOLUTION, GIMP_MAX_RESOLUTION);
yres = CLAMP (yres, GIMP_MIN_RESOLUTION, GIMP_MAX_RESOLUTION);
print_size_info_set_resolution (info, xres, yres);
print_size_info_set_size (info, image_width, image_height);
}
static void
print_size_info_resolution_changed (GtkWidget *widget,
PrintSizeInfo *info)
{
GimpSizeEntry *entry = info->resolution_entry;
gdouble xres = gimp_size_entry_get_refval (entry, 0);
gdouble yres = gimp_size_entry_get_refval (entry, 1);
print_size_info_set_resolution (info, xres, yres);
}
static void
print_size_info_unit_changed (GtkWidget *widget,
PrintSizeInfo *info)
{
PrintData *data = info->data;
GimpSizeEntry *entry = info->resolution_entry;
data->unit = gimp_size_entry_get_unit (entry);
}
static void
print_size_info_set_size (PrintSizeInfo *info,
gdouble width,
gdouble height)
{
g_signal_handlers_block_by_func (info->size_entry,
print_size_info_size_changed,
info);
gimp_size_entry_set_refval (info->size_entry, 0, width);
gimp_size_entry_set_refval (info->size_entry, 1, height);
g_signal_handlers_unblock_by_func (info->size_entry,
print_size_info_size_changed,
info);
}
static void
print_size_info_set_resolution (PrintSizeInfo *info,
gdouble xres,
gdouble yres)
{
PrintData *data = info->data;
if (info->chain && gimp_chain_button_get_active (info->chain))
{
if (xres != data->xres)
{
yres = xres;
}
else
{
xres = yres;
}
}
data->xres = xres;
data->yres = yres;
data->print_size_changed = TRUE;
g_signal_handlers_block_by_func (info->resolution_entry,
print_size_info_resolution_changed,
info);
gimp_size_entry_set_refval (info->resolution_entry, 0, xres);
gimp_size_entry_set_refval (info->resolution_entry, 1, yres);
g_signal_handlers_unblock_by_func (info->resolution_entry,
print_size_info_resolution_changed,
info);
g_signal_handlers_block_by_func (info->size_entry,
print_size_info_size_changed,
info);
gimp_size_entry_set_resolution (info->size_entry, 0, xres, TRUE);
gimp_size_entry_set_resolution (info->size_entry, 1, yres, TRUE);
g_signal_handlers_unblock_by_func (info->size_entry,
print_size_info_size_changed,
info);
}
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