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gimp/app/dialogs/print-size-dialog.c
Jehan 7cdf85693a app: multi-layer aware layers-mask-add and layers-mask-add-button. 
These actions raise a GimpViewableDialog. For this to work, I made this
widget work with a list of GimpViewable, not a single viewable anymore
(so maybe the widget class name should change?).
When this list contains only a single GimpViewable, it will display
exactly like before, with a viewable preview. With several viewables,
the preview won't show.

This allows to add masks to all selected layers at once, with the same
basic options for all masks, as set in the dialog.
2020-05-17 18:32:16 +02:00

441 lines
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/* GIMP - The GNU 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "dialogs-types.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "core/gimp-utils.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpviewabledialog.h"
#include "print-size-dialog.h"
#include "gimp-intl.h"
#define RESPONSE_RESET 1
#define SB_WIDTH 8
typedef struct _PrintSizeDialog PrintSizeDialog;
struct _PrintSizeDialog
{
GimpImage *image;
GimpSizeEntry *size_entry;
GimpSizeEntry *resolution_entry;
GimpChainButton *chain;
gdouble xres;
gdouble yres;
GimpResolutionCallback callback;
gpointer user_data;
};
/* local function prototypes */
static void print_size_dialog_free (PrintSizeDialog *private);
static void print_size_dialog_response (GtkWidget *dialog,
gint response_id,
PrintSizeDialog *private);
static void print_size_dialog_reset (PrintSizeDialog *private);
static void print_size_dialog_size_changed (GtkWidget *widget,
PrintSizeDialog *private);
static void print_size_dialog_resolution_changed (GtkWidget *widget,
PrintSizeDialog *private);
static void print_size_dialog_set_size (PrintSizeDialog *private,
gdouble width,
gdouble height);
static void print_size_dialog_set_resolution (PrintSizeDialog *private,
gdouble xres,
gdouble yres);
/* public functions */
GtkWidget *
print_size_dialog_new (GimpImage *image,
GimpContext *context,
const gchar *title,
const gchar *role,
GtkWidget *parent,
GimpHelpFunc help_func,
const gchar *help_id,
GimpResolutionCallback callback,
gpointer user_data)
{
PrintSizeDialog *private;
GtkWidget *dialog;
GtkWidget *frame;
GtkWidget *grid;
GtkWidget *entry;
GtkWidget *label;
GtkWidget *width;
GtkWidget *height;
GtkWidget *hbox;
GtkWidget *chain;
GtkAdjustment *adj;
GList *focus_chain = NULL;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (callback != NULL, NULL);
private = g_slice_new0 (PrintSizeDialog);
private->image = image;
private->callback = callback;
private->user_data = user_data;
gimp_image_get_resolution (image, &private->xres, &private->yres);
dialog = gimp_viewable_dialog_new (g_list_prepend (NULL, image), context,
title, role,
GIMP_ICON_DOCUMENT_PRINT_RESOLUTION, title,
parent,
help_func, help_id,
_("_Reset"), RESPONSE_RESET,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("_OK"), GTK_RESPONSE_OK,
NULL);
gimp_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
RESPONSE_RESET,
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
g_object_weak_ref (G_OBJECT (dialog),
(GWeakNotify) print_size_dialog_free, private);
g_signal_connect (dialog, "response",
G_CALLBACK (print_size_dialog_response),
private);
frame = gimp_frame_new (_("Print Size"));
gtk_container_set_border_width (GTK_CONTAINER (frame), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
grid = gtk_grid_new ();
gtk_grid_set_row_spacing (GTK_GRID (grid), 12);
gtk_container_add (GTK_CONTAINER (frame), grid);
gtk_widget_show (grid);
/* the print size entry */
adj = gtk_adjustment_new (1, 1, 1, 1, 10, 0);
width = gimp_spin_button_new (adj, 1.0, 2);
gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (width), TRUE);
gtk_entry_set_width_chars (GTK_ENTRY (width), SB_WIDTH);
adj = gtk_adjustment_new (1, 1, 1, 1, 10, 0);
height = gimp_spin_button_new (adj, 1.0, 2);
gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (height), TRUE);
gtk_entry_set_width_chars (GTK_ENTRY (height), SB_WIDTH);
entry = gimp_size_entry_new (0, gimp_get_default_unit (), "%p",
FALSE, FALSE, FALSE, SB_WIDTH,
GIMP_SIZE_ENTRY_UPDATE_SIZE);
private->size_entry = GIMP_SIZE_ENTRY (entry);
label = gtk_label_new_with_mnemonic (_("_Width:"));
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), width);
gtk_grid_attach (GTK_GRID (grid), label, 0, 0, 1, 1);
gtk_widget_show (label);
label = gtk_label_new_with_mnemonic (_("H_eight:"));
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), height);
gtk_grid_attach (GTK_GRID (grid), label, 0, 1, 1, 1);
gtk_widget_show (label);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_grid_attach (GTK_GRID (grid), hbox, 1, 0, 1, 2);
gtk_widget_show (hbox);
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_grid_attach (GTK_GRID (entry), height, 0, 1, 1, 1);
gtk_widget_show (height);
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry),
GTK_SPIN_BUTTON (width), NULL);
gtk_grid_attach (GTK_GRID (entry), width, 0, 0, 1, 1);
gtk_widget_show (width);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (entry), 0,
private->xres, FALSE);
gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (entry), 1,
private->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,
gimp_image_get_width (image));
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (entry), 1,
gimp_image_get_height (image));
/* the resolution entry */
adj = gtk_adjustment_new (1, 1, 1, 1, 10, 0);
width = gimp_spin_button_new (adj, 1.0, 2);
gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (width), TRUE);
gtk_entry_set_width_chars (GTK_ENTRY (width), SB_WIDTH);
adj = gtk_adjustment_new (1, 1, 1, 1, 10, 0);
height = gimp_spin_button_new (adj, 1.0, 2);
gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (height), TRUE);
gtk_entry_set_width_chars (GTK_ENTRY (height), SB_WIDTH);
label = gtk_label_new_with_mnemonic (_("_X resolution:"));
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), width);
gtk_grid_attach (GTK_GRID (grid), label, 0, 2, 1, 1);
gtk_widget_show (label);
label = gtk_label_new_with_mnemonic (_("_Y resolution:"));
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), height);
gtk_grid_attach (GTK_GRID (grid), label, 0, 3, 1, 1);
gtk_widget_show (label);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_grid_attach (GTK_GRID (grid), hbox, 1, 2, 1, 2);
gtk_widget_show (hbox);
entry = gimp_size_entry_new (0, gimp_image_get_unit (image), _("pixels/%a"),
FALSE, FALSE, FALSE, SB_WIDTH,
GIMP_SIZE_ENTRY_UPDATE_RESOLUTION);
private->resolution_entry = GIMP_SIZE_ENTRY (entry);
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_grid_attach (GTK_GRID (entry), height, 0, 1, 1, 1);
gtk_widget_show (height);
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry),
GTK_SPIN_BUTTON (width), NULL);
gtk_grid_attach (GTK_GRID (entry), width, 0, 0, 1, 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, private->xres);
gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (entry), 1, private->yres);
chain = gimp_chain_button_new (GIMP_CHAIN_RIGHT);
if (ABS (private->xres - private->yres) < GIMP_MIN_RESOLUTION)
gimp_chain_button_set_active (GIMP_CHAIN_BUTTON (chain), TRUE);
gtk_grid_attach (GTK_GRID (entry), chain, 1, 0, 1, 2);
gtk_widget_show (chain);
private->chain = GIMP_CHAIN_BUTTON (chain);
focus_chain = g_list_prepend (focus_chain, gimp_size_entry_get_unit_combo (GIMP_SIZE_ENTRY (entry)));
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 (private->size_entry, "value-changed",
G_CALLBACK (print_size_dialog_size_changed),
private);
g_signal_connect (private->resolution_entry, "value-changed",
G_CALLBACK (print_size_dialog_resolution_changed),
private);
return dialog;
}
/* private functions */
static void
print_size_dialog_free (PrintSizeDialog *private)
{
g_slice_free (PrintSizeDialog, private);
}
static void
print_size_dialog_response (GtkWidget *dialog,
gint response_id,
PrintSizeDialog *private)
{
GimpSizeEntry *entry = private->resolution_entry;
switch (response_id)
{
case RESPONSE_RESET:
print_size_dialog_reset (private);
break;
case GTK_RESPONSE_OK:
private->callback (dialog,
private->image,
gimp_size_entry_get_refval (entry, 0),
gimp_size_entry_get_refval (entry, 1),
gimp_size_entry_get_unit (entry),
private->user_data);
break;
default:
gtk_widget_destroy (dialog);
break;
}
}
static void
print_size_dialog_reset (PrintSizeDialog *private)
{
gdouble xres, yres;
gimp_size_entry_set_unit (private->resolution_entry,
gimp_get_default_unit ());
gimp_image_get_resolution (private->image, &xres, &yres);
print_size_dialog_set_resolution (private, xres, yres);
}
static void
print_size_dialog_size_changed (GtkWidget *widget,
PrintSizeDialog *private)
{
GimpImage *image = private->image;
gdouble width;
gdouble height;
gdouble xres;
gdouble yres;
gdouble scale;
scale = gimp_unit_get_factor (gimp_size_entry_get_unit (private->size_entry));
width = gimp_size_entry_get_value (private->size_entry, 0);
height = gimp_size_entry_get_value (private->size_entry, 1);
xres = scale * gimp_image_get_width (image) / MAX (0.001, width);
yres = scale * gimp_image_get_height (image) / MAX (0.001, height);
xres = CLAMP (xres, GIMP_MIN_RESOLUTION, GIMP_MAX_RESOLUTION);
yres = CLAMP (yres, GIMP_MIN_RESOLUTION, GIMP_MAX_RESOLUTION);
print_size_dialog_set_resolution (private, xres, yres);
print_size_dialog_set_size (private,
gimp_image_get_width (image),
gimp_image_get_height (image));
}
static void
print_size_dialog_resolution_changed (GtkWidget *widget,
PrintSizeDialog *private)
{
GimpSizeEntry *entry = private->resolution_entry;
gdouble xres = gimp_size_entry_get_refval (entry, 0);
gdouble yres = gimp_size_entry_get_refval (entry, 1);
print_size_dialog_set_resolution (private, xres, yres);
}
static void
print_size_dialog_set_size (PrintSizeDialog *private,
gdouble width,
gdouble height)
{
g_signal_handlers_block_by_func (private->size_entry,
print_size_dialog_size_changed,
private);
gimp_size_entry_set_refval (private->size_entry, 0, width);
gimp_size_entry_set_refval (private->size_entry, 1, height);
g_signal_handlers_unblock_by_func (private->size_entry,
print_size_dialog_size_changed,
private);
}
static void
print_size_dialog_set_resolution (PrintSizeDialog *private,
gdouble xres,
gdouble yres)
{
if (private->chain && gimp_chain_button_get_active (private->chain))
{
if (xres != private->xres)
yres = xres;
else
xres = yres;
}
private->xres = xres;
private->yres = yres;
g_signal_handlers_block_by_func (private->resolution_entry,
print_size_dialog_resolution_changed,
private);
gimp_size_entry_set_refval (private->resolution_entry, 0, xres);
gimp_size_entry_set_refval (private->resolution_entry, 1, yres);
g_signal_handlers_unblock_by_func (private->resolution_entry,
print_size_dialog_resolution_changed,
private);
g_signal_handlers_block_by_func (private->size_entry,
print_size_dialog_size_changed,
private);
gimp_size_entry_set_resolution (private->size_entry, 0, xres, TRUE);
gimp_size_entry_set_resolution (private->size_entry, 1, yres, TRUE);
g_signal_handlers_unblock_by_func (private->size_entry,
print_size_dialog_size_changed,
private);
}
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