200 lines
7.1 KiB
C
200 lines
7.1 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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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 <https://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 "libpikamath/pikamath.h"
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#include "libpikabase/pikabase.h"
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#include "libpikawidgets/pikawidgets.h"
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#include "resolution-calibrate-dialog.h"
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#include "pika-intl.h"
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static GtkWidget *calibrate_entry = NULL;
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static gdouble calibrate_xres = 1.0;
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static gdouble calibrate_yres = 1.0;
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static gint ruler_width = 1;
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static gint ruler_height = 1;
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/**
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* resolution_calibrate_dialog:
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* @resolution_entry: a #PikaSizeEntry to connect the dialog to
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* @icon_name: an optional icon-name for the upper left corner
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*
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* Displays a dialog that allows the user to interactively determine
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* her monitor resolution. This dialog runs it's own GTK main loop and
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* is connected to a #PikaSizeEntry handling the resolution to be set.
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**/
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void
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resolution_calibrate_dialog (GtkWidget *resolution_entry,
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const gchar *icon_name)
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{
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GtkWidget *dialog;
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GtkWidget *grid;
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GtkWidget *vbox;
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GtkWidget *hbox;
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GtkWidget *ruler;
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GtkWidget *label;
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GdkRectangle workarea;
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g_return_if_fail (PIKA_IS_SIZE_ENTRY (resolution_entry));
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g_return_if_fail (gtk_widget_get_realized (resolution_entry));
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/* this dialog can only exist once */
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if (calibrate_entry)
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return;
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dialog = pika_dialog_new (_("Calibrate Monitor Resolution"),
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"pika-resolution-calibration",
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gtk_widget_get_toplevel (resolution_entry),
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GTK_DIALOG_DESTROY_WITH_PARENT,
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NULL, NULL,
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_("_Cancel"), GTK_RESPONSE_CANCEL,
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_("_OK"), GTK_RESPONSE_OK,
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NULL);
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pika_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
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GTK_RESPONSE_OK,
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GTK_RESPONSE_CANCEL,
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-1);
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gdk_monitor_get_workarea (pika_widget_get_monitor (dialog), &workarea);
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ruler_width = workarea.width - 300 - (workarea.width % 100);
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ruler_height = workarea.height - 300 - (workarea.height % 100);
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grid = gtk_grid_new ();
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gtk_container_set_border_width (GTK_CONTAINER (grid), 12);
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gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
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grid, TRUE, TRUE, 0);
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gtk_widget_show (grid);
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if (icon_name)
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{
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GtkWidget *image = gtk_image_new_from_icon_name (icon_name,
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GTK_ICON_SIZE_DIALOG);
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gtk_grid_attach (GTK_GRID (grid), image, 0, 0, 1, 1);
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gtk_widget_show (image);
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}
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ruler = pika_ruler_new (GTK_ORIENTATION_HORIZONTAL);
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gtk_widget_set_size_request (ruler, ruler_width, 32);
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pika_ruler_set_range (PIKA_RULER (ruler), 0, ruler_width, ruler_width);
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gtk_grid_attach (GTK_GRID (grid), ruler, 1, 0, 2, 1);
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gtk_widget_show (ruler);
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ruler = pika_ruler_new (GTK_ORIENTATION_VERTICAL);
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gtk_widget_set_size_request (ruler, 32, ruler_height);
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pika_ruler_set_range (PIKA_RULER (ruler), 0, ruler_height, ruler_height);
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gtk_grid_attach (GTK_GRID (grid), ruler, 0, 1, 1, 2);
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gtk_widget_show (ruler);
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
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gtk_grid_attach (GTK_GRID (grid), vbox, 1, 1, 1, 1);
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gtk_widget_show (vbox);
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label =
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gtk_label_new (_("Measure the rulers and enter their lengths:"));
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gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_LEFT);
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gtk_label_set_xalign (GTK_LABEL (label), 0.0);
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pika_label_set_attributes (GTK_LABEL (label),
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PANGO_ATTR_SCALE, PANGO_SCALE_LARGE,
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PANGO_ATTR_WEIGHT, PANGO_WEIGHT_BOLD,
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-1);
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gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
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gtk_widget_show (label);
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
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gtk_widget_show (hbox);
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calibrate_xres =
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pika_size_entry_get_refval (PIKA_SIZE_ENTRY (resolution_entry), 0);
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calibrate_yres =
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pika_size_entry_get_refval (PIKA_SIZE_ENTRY (resolution_entry), 1);
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calibrate_entry =
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pika_coordinates_new (PIKA_UNIT_INCH, "%p",
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FALSE, FALSE, 10,
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PIKA_SIZE_ENTRY_UPDATE_SIZE,
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FALSE,
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FALSE,
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_("_Horizontal:"),
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ruler_width,
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calibrate_xres,
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1, PIKA_MAX_IMAGE_SIZE,
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0, 0,
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_("_Vertical:"),
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ruler_height,
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calibrate_yres,
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1, PIKA_MAX_IMAGE_SIZE,
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0, 0);
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gtk_widget_hide (GTK_WIDGET (PIKA_COORDINATES_CHAINBUTTON (calibrate_entry)));
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g_signal_connect (dialog, "destroy",
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G_CALLBACK (gtk_widget_destroyed),
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&calibrate_entry);
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gtk_box_pack_end (GTK_BOX (hbox), calibrate_entry, FALSE, FALSE, 0);
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gtk_widget_show (calibrate_entry);
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gtk_widget_show (dialog);
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switch (pika_dialog_run (PIKA_DIALOG (dialog)))
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{
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case GTK_RESPONSE_OK:
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{
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GtkWidget *chain_button;
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gdouble x, y;
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x = pika_size_entry_get_refval (PIKA_SIZE_ENTRY (calibrate_entry), 0);
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y = pika_size_entry_get_refval (PIKA_SIZE_ENTRY (calibrate_entry), 1);
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calibrate_xres = (gdouble) ruler_width * calibrate_xres / x;
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calibrate_yres = (gdouble) ruler_height * calibrate_yres / y;
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chain_button = PIKA_COORDINATES_CHAINBUTTON (resolution_entry);
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if (ABS (x - y) > PIKA_MIN_RESOLUTION)
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pika_chain_button_set_active (PIKA_CHAIN_BUTTON (chain_button),
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FALSE);
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pika_size_entry_set_refval (PIKA_SIZE_ENTRY (resolution_entry),
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0, calibrate_xres);
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pika_size_entry_set_refval (PIKA_SIZE_ENTRY (resolution_entry),
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1, calibrate_yres);
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}
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default:
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break;
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}
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gtk_widget_destroy (dialog);
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}
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