Adding upstream version 2.10.22.upstream/2.10.22upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 454 insertions, 0 deletions

diff --git a/app/dialogs/print-size-dialog.c b/app/dialogs/print-size-dialog.c
new file mode 100644
index 0000000..e3b9ba0
--- /dev/null
+++ b/app/dialogs/print-size-dialog.c
@@ -0,0 +1,454 @@
+/* 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       *table;
+  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 (GIMP_VIEWABLE (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);
+
+  gtk_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);
+
+  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  */
+
+  adj = (GtkAdjustment *) 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 = (GtkAdjustment *) 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_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_with_mnemonic (_("H_eight:"));
+  gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+  gtk_label_set_mnemonic_widget (GTK_LABEL (label), height);
+  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_box_new (GTK_ORIENTATION_HORIZONTAL, 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,
+                                  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 = (GtkAdjustment *) 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 = (GtkAdjustment *) 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_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_with_mnemonic (_("_Y resolution:"));
+  gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+  gtk_label_set_mnemonic_widget (GTK_LABEL (label), height);
+  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_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+  gtk_table_attach_defaults (GTK_TABLE (table), hbox, 1, 2, 2, 4);
+  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_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, 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_table_attach_defaults (GTK_TABLE (entry), chain, 1, 2, 0, 2);
+  gtk_widget_show (chain);
+
+  private->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 (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);
+}