mirror of https://github.com/GNOME/gimp.git
441 lines
16 KiB
C
441 lines
16 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libgimpbase/gimpbase.h"
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#include "libgimpwidgets/gimpwidgets.h"
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#include "dialogs-types.h"
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#include "core/gimpcontext.h"
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#include "core/gimpimage.h"
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#include "core/gimp-utils.h"
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#include "widgets/gimphelp-ids.h"
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#include "widgets/gimpviewabledialog.h"
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#include "print-size-dialog.h"
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#include "gimp-intl.h"
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#define RESPONSE_RESET 1
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#define SB_WIDTH 8
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typedef struct
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{
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GimpImage *image;
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GimpSizeEntry *size_entry;
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GimpSizeEntry *resolution_entry;
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GimpChainButton *chain;
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gdouble xres;
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gdouble yres;
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GimpResolutionCallback callback;
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gpointer user_data;
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} PrintSizeDialog;
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static void print_size_dialog_response (GtkWidget *dialog,
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gint response_id,
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PrintSizeDialog *private);
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static void print_size_dialog_reset (PrintSizeDialog *private);
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static void print_size_dialog_size_changed (GtkWidget *widget,
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PrintSizeDialog *private);
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static void print_size_dialog_resolution_changed (GtkWidget *widget,
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PrintSizeDialog *private);
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static void print_size_dialog_set_size (PrintSizeDialog *private,
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gdouble width,
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gdouble height);
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static void print_size_dialog_set_resolution (PrintSizeDialog *private,
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gdouble xres,
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gdouble yres);
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static void print_size_dialog_free (PrintSizeDialog *private);
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GtkWidget *
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print_size_dialog_new (GimpImage *image,
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GimpContext *context,
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const gchar *title,
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const gchar *role,
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GtkWidget *parent,
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GimpHelpFunc help_func,
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const gchar *help_id,
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GimpResolutionCallback callback,
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gpointer user_data)
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{
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PrintSizeDialog *private;
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GtkWidget *dialog;
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GtkWidget *frame;
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GtkWidget *table;
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GtkWidget *entry;
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GtkWidget *label;
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GtkWidget *width;
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GtkWidget *height;
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GtkWidget *hbox;
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GtkWidget *chain;
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GtkObject *adj;
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GList *focus_chain = NULL;
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g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
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g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
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g_return_val_if_fail (callback != NULL, NULL);
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dialog = gimp_viewable_dialog_new (GIMP_VIEWABLE (image), context,
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title, role,
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GIMP_STOCK_PRINT_RESOLUTION, title,
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parent,
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help_func, help_id,
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GIMP_STOCK_RESET, RESPONSE_RESET,
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GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
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GTK_STOCK_OK, GTK_RESPONSE_OK,
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NULL);
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gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
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private = g_slice_new0 (PrintSizeDialog);
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g_object_weak_ref (G_OBJECT (dialog),
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(GWeakNotify) print_size_dialog_free, private);
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g_signal_connect (dialog, "response",
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G_CALLBACK (print_size_dialog_response),
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private);
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gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
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RESPONSE_RESET,
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GTK_RESPONSE_OK,
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GTK_RESPONSE_CANCEL,
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-1);
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private->image = image;
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private->callback = callback;
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private->user_data = user_data;
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gimp_image_get_resolution (image, &private->xres, &private->yres);
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frame = gimp_frame_new (_("Print Size"));
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gtk_container_set_border_width (GTK_CONTAINER (frame), 12);
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gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
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frame, FALSE, FALSE, 0);
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gtk_widget_show (frame);
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table = gtk_table_new (4, 3, FALSE);
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gtk_table_set_col_spacing (GTK_TABLE (table), 0, 6);
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gtk_table_set_row_spacings (GTK_TABLE (table), 12);
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gtk_table_set_row_spacing (GTK_TABLE (table), 0, 2);
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gtk_table_set_row_spacing (GTK_TABLE (table), 2, 2);
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gtk_container_add (GTK_CONTAINER (frame), table);
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gtk_widget_show (table);
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/* the print size entry */
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width = gimp_spin_button_new (&adj, 1, 1, 1, 1, 10, 0, 1, 2);
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gtk_entry_set_width_chars (GTK_ENTRY (width), SB_WIDTH);
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height = gimp_spin_button_new (&adj, 1, 1, 1, 1, 10, 0, 1, 2);
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gtk_entry_set_width_chars (GTK_ENTRY (height), SB_WIDTH);
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entry = gimp_size_entry_new (0, gimp_get_default_unit (), "%p",
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FALSE, FALSE, FALSE, SB_WIDTH,
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GIMP_SIZE_ENTRY_UPDATE_SIZE);
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private->size_entry = GIMP_SIZE_ENTRY (entry);
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label = gtk_label_new_with_mnemonic (_("_Width:"));
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gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
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gtk_label_set_mnemonic_widget (GTK_LABEL (label), width);
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gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
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GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
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gtk_widget_show (label);
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label = gtk_label_new_with_mnemonic (_("H_eight:"));
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gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
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gtk_label_set_mnemonic_widget (GTK_LABEL (label), height);
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gtk_table_attach (GTK_TABLE (table), label, 0, 1, 1, 2,
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GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
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gtk_widget_show (label);
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hbox = gtk_hbox_new (FALSE, 0);
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gtk_table_attach_defaults (GTK_TABLE (table), hbox, 1, 2, 0, 2);
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gtk_widget_show (hbox);
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gtk_table_set_row_spacing (GTK_TABLE (entry), 0, 2);
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gtk_table_set_col_spacing (GTK_TABLE (entry), 1, 6);
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gtk_box_pack_start (GTK_BOX (hbox), entry, FALSE, FALSE, 0);
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gtk_widget_show (entry);
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gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry),
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GTK_SPIN_BUTTON (height), NULL);
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gtk_table_attach_defaults (GTK_TABLE (entry), height, 0, 1, 1, 2);
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gtk_widget_show (height);
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gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry),
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GTK_SPIN_BUTTON (width), NULL);
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gtk_table_attach_defaults (GTK_TABLE (entry), width, 0, 1, 0, 1);
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gtk_widget_show (width);
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gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (entry), 0,
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private->xres, FALSE);
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gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (entry), 1,
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private->yres, FALSE);
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gimp_size_entry_set_refval_boundaries
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(GIMP_SIZE_ENTRY (entry), 0, GIMP_MIN_IMAGE_SIZE, GIMP_MAX_IMAGE_SIZE);
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gimp_size_entry_set_refval_boundaries
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(GIMP_SIZE_ENTRY (entry), 1, GIMP_MIN_IMAGE_SIZE, GIMP_MAX_IMAGE_SIZE);
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gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (entry), 0,
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gimp_image_get_width (image));
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gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (entry), 1,
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gimp_image_get_height (image));
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/* the resolution entry */
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width = gimp_spin_button_new (&adj, 1, 1, 1, 1, 10, 0, 1, 2);
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gtk_entry_set_width_chars (GTK_ENTRY (width), SB_WIDTH);
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height = gimp_spin_button_new (&adj, 1, 1, 1, 1, 10, 0, 1, 2);
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gtk_entry_set_width_chars (GTK_ENTRY (height), SB_WIDTH);
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label = gtk_label_new_with_mnemonic (_("_X resolution:"));
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gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
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gtk_label_set_mnemonic_widget (GTK_LABEL (label), width);
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gtk_table_attach (GTK_TABLE (table), label, 0, 1, 2, 3,
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GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
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gtk_widget_show (label);
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label = gtk_label_new_with_mnemonic (_("_Y resolution:"));
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gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
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gtk_label_set_mnemonic_widget (GTK_LABEL (label), height);
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gtk_table_attach (GTK_TABLE (table), label, 0, 1, 3, 4,
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GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
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gtk_widget_show (label);
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hbox = gtk_hbox_new (FALSE, 0);
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gtk_table_attach_defaults (GTK_TABLE (table), hbox, 1, 2, 2, 4);
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gtk_widget_show (hbox);
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entry = gimp_size_entry_new (0, gimp_image_get_unit (image), _("pixels/%a"),
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FALSE, FALSE, FALSE, SB_WIDTH,
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GIMP_SIZE_ENTRY_UPDATE_RESOLUTION);
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private->resolution_entry = GIMP_SIZE_ENTRY (entry);
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gtk_table_set_row_spacing (GTK_TABLE (entry), 0, 2);
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gtk_table_set_col_spacing (GTK_TABLE (entry), 1, 2);
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gtk_table_set_col_spacing (GTK_TABLE (entry), 2, 2);
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gtk_box_pack_start (GTK_BOX (hbox), entry, FALSE, FALSE, 0);
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gtk_widget_show (entry);
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gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry),
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GTK_SPIN_BUTTON (height), NULL);
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gtk_table_attach_defaults (GTK_TABLE (entry), height, 0, 1, 1, 2);
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gtk_widget_show (height);
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gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry),
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GTK_SPIN_BUTTON (width), NULL);
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gtk_table_attach_defaults (GTK_TABLE (entry), width, 0, 1, 0, 1);
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gtk_widget_show (width);
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gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (entry), 0,
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GIMP_MIN_RESOLUTION,
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GIMP_MAX_RESOLUTION);
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gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (entry), 1,
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GIMP_MIN_RESOLUTION,
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GIMP_MAX_RESOLUTION);
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gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (entry), 0, private->xres);
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gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (entry), 1, private->yres);
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chain = gimp_chain_button_new (GIMP_CHAIN_RIGHT);
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gimp_chain_button_set_active (GIMP_CHAIN_BUTTON (chain), TRUE);
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gtk_table_attach_defaults (GTK_TABLE (entry), chain, 1, 2, 0, 2);
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gtk_widget_show (chain);
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private->chain = GIMP_CHAIN_BUTTON (chain);
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focus_chain = g_list_prepend (focus_chain, GIMP_SIZE_ENTRY (entry)->unitmenu);
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focus_chain = g_list_prepend (focus_chain, chain);
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focus_chain = g_list_prepend (focus_chain, height);
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focus_chain = g_list_prepend (focus_chain, width);
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gtk_container_set_focus_chain (GTK_CONTAINER (entry), focus_chain);
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g_list_free (focus_chain);
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g_signal_connect (private->size_entry, "value-changed",
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G_CALLBACK (print_size_dialog_size_changed),
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private);
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g_signal_connect (private->resolution_entry, "value-changed",
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G_CALLBACK (print_size_dialog_resolution_changed),
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private);
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return dialog;
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}
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static void
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print_size_dialog_response (GtkWidget *dialog,
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gint response_id,
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PrintSizeDialog *private)
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{
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GimpSizeEntry *entry = private->resolution_entry;
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switch (response_id)
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{
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case RESPONSE_RESET:
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print_size_dialog_reset (private);
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break;
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case GTK_RESPONSE_OK:
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private->callback (dialog,
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private->image,
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gimp_size_entry_get_refval (entry, 0),
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gimp_size_entry_get_refval (entry, 1),
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gimp_size_entry_get_unit (entry),
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private->user_data);
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break;
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default:
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gtk_widget_destroy (dialog);
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break;
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}
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}
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static void
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print_size_dialog_reset (PrintSizeDialog *private)
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{
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gdouble xres, yres;
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gimp_size_entry_set_unit (private->resolution_entry,
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gimp_get_default_unit ());
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gimp_image_get_resolution (private->image, &xres, &yres);
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print_size_dialog_set_resolution (private, xres, yres);
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}
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static void
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print_size_dialog_size_changed (GtkWidget *widget,
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PrintSizeDialog *private)
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{
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GimpImage *image = private->image;
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gdouble width;
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gdouble height;
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gdouble xres;
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gdouble yres;
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gdouble scale;
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scale = gimp_unit_get_factor (gimp_size_entry_get_unit (private->size_entry));
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width = gimp_size_entry_get_value (private->size_entry, 0);
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height = gimp_size_entry_get_value (private->size_entry, 1);
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xres = scale * gimp_image_get_width (image) / MAX (0.001, width);
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yres = scale * gimp_image_get_height (image) / MAX (0.001, height);
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xres = CLAMP (xres, GIMP_MIN_RESOLUTION, GIMP_MAX_RESOLUTION);
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yres = CLAMP (yres, GIMP_MIN_RESOLUTION, GIMP_MAX_RESOLUTION);
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print_size_dialog_set_resolution (private, xres, yres);
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print_size_dialog_set_size (private,
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gimp_image_get_width (image),
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gimp_image_get_height (image));
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}
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static void
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print_size_dialog_resolution_changed (GtkWidget *widget,
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PrintSizeDialog *private)
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{
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GimpSizeEntry *entry = private->resolution_entry;
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gdouble xres = gimp_size_entry_get_refval (entry, 0);
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gdouble yres = gimp_size_entry_get_refval (entry, 1);
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print_size_dialog_set_resolution (private, xres, yres);
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}
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static void
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print_size_dialog_set_size (PrintSizeDialog *private,
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gdouble width,
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gdouble height)
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{
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g_signal_handlers_block_by_func (private->size_entry,
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print_size_dialog_size_changed,
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private);
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gimp_size_entry_set_refval (private->size_entry, 0, width);
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gimp_size_entry_set_refval (private->size_entry, 1, height);
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g_signal_handlers_unblock_by_func (private->size_entry,
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print_size_dialog_size_changed,
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private);
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}
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static void
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print_size_dialog_set_resolution (PrintSizeDialog *private,
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gdouble xres,
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gdouble yres)
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{
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if (private->chain && gimp_chain_button_get_active (private->chain))
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{
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if (xres != private->xres)
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{
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yres = xres;
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}
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else
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{
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xres = yres;
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}
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}
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private->xres = xres;
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private->yres = yres;
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g_signal_handlers_block_by_func (private->resolution_entry,
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print_size_dialog_resolution_changed,
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private);
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gimp_size_entry_set_refval (private->resolution_entry, 0, xres);
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gimp_size_entry_set_refval (private->resolution_entry, 1, yres);
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g_signal_handlers_unblock_by_func (private->resolution_entry,
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print_size_dialog_resolution_changed,
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private);
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g_signal_handlers_block_by_func (private->size_entry,
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print_size_dialog_size_changed,
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private);
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gimp_size_entry_set_resolution (private->size_entry, 0, xres, TRUE);
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gimp_size_entry_set_resolution (private->size_entry, 1, yres, TRUE);
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g_signal_handlers_unblock_by_func (private->size_entry,
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print_size_dialog_size_changed,
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private);
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}
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static void
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print_size_dialog_free (PrintSizeDialog *private)
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{
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g_slice_free (PrintSizeDialog, private);
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}
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