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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 <gtk/gtk.h>
-
- #include "apptypes.h"
-
- #include "appenv.h"
- #include "gdisplay_ops.h"
- #include "gimprc.h"
- #include "gimpui.h"
- #include "resolution_calibrate.h"
- #include "unitrc.h"
-
- #include "libgimp/gimpenv.h"
- #include "libgimp/gimplimits.h"
- #include "libgimp/gimpmath.h"
-
- #include "libgimp/gimpintl.h"
-
- #define SET_STYLE(widget, style) if (style) gtk_widget_set_style (widget, style)
-
- static GtkWidget *calibrate_entry = NULL;
- static gdouble calibrate_xres = 1.0;
- static gdouble calibrate_yres = 1.0;
- static gint ruler_width = 1;
- static gint ruler_height = 1;
-
- static void
- resolution_calibrate_ok (GtkWidget *button,
- gpointer data)
- {
- GtkWidget *resolution_entry;
- GtkWidget *chain_button;
- gdouble x, y;
-
- resolution_entry = gtk_object_get_user_data (GTK_OBJECT (data));
-
- x = gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (calibrate_entry), 0);
- y = gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (calibrate_entry), 1);
-
- calibrate_xres = (gdouble)ruler_width * calibrate_xres / x;
- calibrate_yres = (gdouble)ruler_height * calibrate_yres / y;
-
- chain_button = gtk_object_get_data (GTK_OBJECT (resolution_entry), "chain_button");
- if (chain_button &&
- ABS (x -y) > GIMP_MIN_RESOLUTION)
- gimp_chain_button_set_active (GIMP_CHAIN_BUTTON (chain_button), FALSE);
-
- gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (resolution_entry), 0, calibrate_xres);
- gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (resolution_entry), 1, calibrate_yres);
-
- gtk_widget_destroy (GTK_WIDGET (data));
- }
-
- /**
- * resolution_calibrate_dialog:
- * @resolution_entry: a GimpSizeEntry to connect the dialog to
- * @dialog_style: a GtkStyle for the main dialog (used by the user_installation_dialog)
- * @ruler_style: a GtkStyle for the rulers and the entry area (used by the
- * user_installation_dialog)
- * @expose_callback: an "expose_event" handler used by the user_installation_dialog
- *
- * Displays a dialog that allows the user to interactively determine her monitor
- * resolution. This dialog runs it's own GTK main loop and is connected to a
- * GimpSizeEntry handling the resolution to be set. The style and callback parameters
- * are supposed to be only used by the user_installation_dialog.
- */
- void
- resolution_calibrate_dialog (GtkWidget *resolution_entry,
- GtkStyle *dialog_style,
- GtkStyle *ruler_style,
- GtkSignalFunc expose_callback)
- {
- GtkWidget *dialog;
- GtkWidget *table;
- GtkWidget *ebox;
- GtkWidget *vbox;
- GtkWidget *hbox;
- GtkWidget *darea;
- GtkWidget *ruler;
- GtkWidget *label;
- GList *list;
-
- g_return_if_fail (GIMP_IS_SIZE_ENTRY (resolution_entry));
-
- /* this dialog can only exist once */
- if (calibrate_entry)
- return;
-
- dialog = gimp_dialog_new (_("Calibrate Monitor Resolution"),
- "calibrate_resolution",
- NULL, NULL,
- GTK_WIN_POS_CENTER,
- FALSE, FALSE, FALSE,
-
- _("OK"), resolution_calibrate_ok,
- NULL, NULL, NULL, TRUE, FALSE,
- _("Cancel"), gtk_widget_destroy,
- NULL, 1, NULL, FALSE, TRUE,
-
- NULL);
-
- gtk_signal_connect (GTK_OBJECT (dialog), "destroy",
- GTK_SIGNAL_FUNC (gtk_main_quit),
- NULL);
- gtk_object_set_user_data (GTK_OBJECT (dialog), resolution_entry);
- gtk_signal_connect_object_while_alive (GTK_OBJECT (resolution_entry), "destroy",
- GTK_SIGNAL_FUNC (gtk_widget_destroy),
- GTK_OBJECT (dialog));
- gtk_signal_connect_object_while_alive (GTK_OBJECT (resolution_entry), "unmap",
- GTK_SIGNAL_FUNC (gtk_widget_destroy),
- GTK_OBJECT (dialog));
-
- SET_STYLE (dialog, dialog_style);
- gimp_dialog_set_icon (GTK_WINDOW (dialog));
- gtk_container_set_border_width (GTK_CONTAINER (GTK_DIALOG (dialog)->action_area), 8);
-
- ruler_width = gdk_screen_width ();
- ruler_height = gdk_screen_height ();
-
- ruler_width = ruler_width - 300 - (ruler_width % 100);
- ruler_height = ruler_height - 300 - (ruler_height % 100);
-
- table = gtk_table_new (4, 4, FALSE);
- gtk_container_set_border_width (GTK_CONTAINER (table), 16);
- gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), table);
- gtk_widget_show (table);
-
- ruler = gtk_hruler_new ();
- SET_STYLE (ruler, ruler_style);
- gtk_widget_set_usize (ruler, ruler_width, 32);
- gtk_ruler_set_range (GTK_RULER (ruler), 0, ruler_width, 0, ruler_width);
- gtk_table_attach (GTK_TABLE (table), ruler, 1, 3, 0, 1,
- GTK_SHRINK, GTK_SHRINK, 0, 0);
- gtk_widget_show (ruler);
-
- ruler = gtk_vruler_new ();
- SET_STYLE (ruler, ruler_style);
- gtk_widget_set_usize (ruler, 32, ruler_height);
- gtk_ruler_set_range (GTK_RULER (ruler), 0, ruler_height, 0, ruler_height);
- gtk_table_attach (GTK_TABLE (table), ruler, 0, 1, 1, 3,
- GTK_SHRINK, GTK_SHRINK, 0, 0);
- gtk_widget_show (ruler);
-
- ebox = gtk_event_box_new ();
- SET_STYLE (ebox, ruler_style);
- gtk_table_attach (GTK_TABLE (table), ebox, 1, 2, 1, 2,
- GTK_SHRINK, GTK_SHRINK, 0, 0);
- gtk_widget_show (ebox);
-
- table = gtk_table_new (3, 3, FALSE);
- gtk_container_add (GTK_CONTAINER (ebox), table);
- gtk_widget_show (table);
-
- darea = gtk_drawing_area_new ();
- SET_STYLE (darea, dialog_style);
- gtk_drawing_area_size (GTK_DRAWING_AREA (darea), 16, 16);
- if (expose_callback)
- gtk_signal_connect_after (GTK_OBJECT (darea), "expose_event",
- GTK_SIGNAL_FUNC (expose_callback),
- (gpointer) GTK_CORNER_TOP_LEFT);
- gtk_table_attach (GTK_TABLE (table), darea, 0, 1, 0, 1,
- GTK_SHRINK, GTK_SHRINK, 0, 0);
- gtk_widget_show (darea);
-
- darea = gtk_drawing_area_new ();
- SET_STYLE (darea, dialog_style);
- gtk_drawing_area_size (GTK_DRAWING_AREA (darea), 16, 16);
- if (expose_callback)
- gtk_signal_connect_after (GTK_OBJECT (darea), "expose_event",
- GTK_SIGNAL_FUNC (expose_callback),
- (gpointer) GTK_CORNER_BOTTOM_LEFT);
- gtk_table_attach (GTK_TABLE (table), darea, 0, 1, 2, 3,
- GTK_SHRINK, GTK_SHRINK, 0, 0);
- gtk_widget_show (darea);
-
- darea = gtk_drawing_area_new ();
- SET_STYLE (darea, dialog_style);
- gtk_drawing_area_size (GTK_DRAWING_AREA (darea), 16, 16);
- if (expose_callback)
- gtk_signal_connect_after (GTK_OBJECT (darea), "expose_event",
- GTK_SIGNAL_FUNC (expose_callback),
- (gpointer) GTK_CORNER_TOP_RIGHT);
- gtk_table_attach (GTK_TABLE (table), darea, 2, 3, 0, 1,
- GTK_SHRINK, GTK_SHRINK, 0, 0);
- gtk_widget_show (darea);
-
- darea = gtk_drawing_area_new ();
- SET_STYLE (darea, dialog_style);
- gtk_drawing_area_size (GTK_DRAWING_AREA (darea), 16, 16);
- if (expose_callback)
- gtk_signal_connect_after (GTK_OBJECT (darea), "expose_event",
- GTK_SIGNAL_FUNC (expose_callback),
- (gpointer) GTK_CORNER_BOTTOM_RIGHT);
- gtk_table_attach (GTK_TABLE (table), darea, 2, 3, 2, 3,
- GTK_SHRINK, GTK_SHRINK, 0, 0);
- gtk_widget_show (darea);
-
- vbox = gtk_vbox_new (FALSE, 16);
- gtk_table_attach_defaults (GTK_TABLE (table), vbox, 1, 2, 1, 2);
- gtk_widget_show (vbox);
-
- label = gtk_label_new (_("Measure the rulers and enter their lengths below."));
- SET_STYLE (label, ruler_style);
- gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_LEFT);
- gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
- gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
- gtk_widget_show (label);
-
- hbox = gtk_hbox_new (FALSE, 0);
- gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
- gtk_widget_show (hbox);
-
- calibrate_xres = gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (resolution_entry), 0);
- calibrate_yres = gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (resolution_entry), 1);
-
- calibrate_entry =
- gimp_coordinates_new (GIMP_UNIT_INCH, "%p",
- FALSE, FALSE, 75,
- GIMP_SIZE_ENTRY_UPDATE_SIZE,
- FALSE,
- FALSE,
- _("Horizontal:"),
- ruler_width,
- calibrate_xres,
- 1, GIMP_MAX_IMAGE_SIZE,
- 0, 0,
- _("Vertical:"),
- ruler_height,
- calibrate_yres,
- 1, GIMP_MAX_IMAGE_SIZE,
- 0, 0);
- gtk_widget_hide (GTK_WIDGET (GIMP_COORDINATES_CHAINBUTTON (calibrate_entry)));
- gtk_signal_connect (GTK_OBJECT (dialog), "destroy",
- GTK_SIGNAL_FUNC (gtk_widget_destroyed),
- &calibrate_entry);
-
- if (ruler_style)
- {
- for (list = GTK_TABLE (calibrate_entry)->children;
- list;
- list = g_list_next (list))
- {
- GtkTableChild *child = (GtkTableChild *) list->data;
-
- if (child && GTK_IS_LABEL (child->widget))
- SET_STYLE (GTK_WIDGET (child->widget), ruler_style);
- }
- }
- gtk_box_pack_end (GTK_BOX (hbox), calibrate_entry, FALSE, FALSE, 0);
- gtk_widget_show (calibrate_entry);
-
- gtk_widget_show (dialog);
-
- gtk_main ();
- }
-