713 lines
27 KiB
C
713 lines
27 KiB
C
/* LIBPIKA - The PIKA Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* pikaquerybox.c
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* Copyright (C) 1999-2000 Michael Natterer <mitch@gimp.org>
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <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 "libpikabase/pikabase.h"
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#include "pikawidgets.h"
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#include "libpika/libpika-intl.h"
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/**
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* SECTION: pikaquerybox
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* @title: PikaQueryBox
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* @short_description: Some simple dialogs to enter a single int,
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* double, string or boolean value.
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* @see_also: #PikaSizeEntry, #PikaUnitMenu
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*
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* These functions provide simple dialogs for entering a single
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* string, integer, double, boolean or pixel size value.
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*
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* They return a pointer to a #GtkDialog which has to be shown with
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* gtk_widget_show() by the caller.
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*
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* The dialogs contain an entry widget for the kind of value they ask
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* for and "OK" and "Cancel" buttons. On "Cancel", all query boxes
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* except the boolean one silently destroy themselves. On "OK" the
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* user defined callback function is called and returns the entered
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* value.
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**/
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/*
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* String, integer, double and size query boxes
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*/
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typedef struct _QueryBox QueryBox;
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struct _QueryBox
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{
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GtkWidget *qbox;
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GtkWidget *vbox;
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GtkWidget *entry;
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GObject *object;
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gulong response_handler;
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GCallback callback;
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gpointer callback_data;
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GDestroyNotify callback_data_destroy;
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};
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static QueryBox * create_query_box (const gchar *title,
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GtkWidget *parent,
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PikaHelpFunc help_func,
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const gchar *help_id,
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GCallback response_callback,
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const gchar *icon_name,
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const gchar *message,
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const gchar *ok_button,
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const gchar *cancel_button,
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GObject *object,
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const gchar *signal,
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GCallback callback,
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gpointer callback_data,
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GDestroyNotify callback_data_destroy);
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static void query_box_disconnect (QueryBox *query_box);
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static void query_box_destroy (QueryBox *query_box);
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static void string_query_box_response (GtkWidget *widget,
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gint response_id,
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QueryBox *query_box);
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static void int_query_box_response (GtkWidget *widget,
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gint response_id,
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QueryBox *query_box);
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static void double_query_box_response (GtkWidget *widget,
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gint response_id,
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QueryBox *query_box);
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static void size_query_box_response (GtkWidget *widget,
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gint response_id,
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QueryBox *query_box);
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static void boolean_query_box_response (GtkWidget *widget,
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gint response_id,
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QueryBox *query_box);
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static void query_box_cancel_callback (QueryBox *query_box);
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/*
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* create a generic query box without any entry widget
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*/
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static QueryBox *
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create_query_box (const gchar *title,
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GtkWidget *parent,
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PikaHelpFunc help_func,
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const gchar *help_id,
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GCallback response_callback,
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const gchar *icon_name,
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const gchar *message,
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const gchar *ok_button,
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const gchar *cancel_button,
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GObject *object,
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const gchar *signal,
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GCallback callback,
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gpointer callback_data,
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GDestroyNotify callback_data_destroy)
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{
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QueryBox *query_box;
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GtkWidget *hbox = NULL;
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GtkWidget *label;
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/* make sure the object / signal passed are valid
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*/
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g_return_val_if_fail (parent == NULL || GTK_IS_WIDGET (parent), NULL);
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g_return_val_if_fail (object == NULL || G_IS_OBJECT (object), NULL);
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g_return_val_if_fail (object == NULL || signal != NULL, NULL);
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query_box = g_slice_new0 (QueryBox);
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query_box->qbox = pika_dialog_new (title, "pika-query-box",
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parent, 0,
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help_func, help_id,
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cancel_button, GTK_RESPONSE_CANCEL,
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ok_button, GTK_RESPONSE_OK,
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NULL);
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pika_dialog_set_alternative_button_order (GTK_DIALOG (query_box->qbox),
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GTK_RESPONSE_OK,
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GTK_RESPONSE_CANCEL,
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-1);
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query_box->response_handler =
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g_signal_connect (query_box->qbox, "response",
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G_CALLBACK (response_callback),
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query_box);
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g_signal_connect (query_box->qbox, "destroy",
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G_CALLBACK (gtk_widget_destroyed),
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&query_box->qbox);
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/* if we are associated with an object, connect to the provided signal
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*/
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if (object)
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{
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GClosure *closure;
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closure = g_cclosure_new_swap (G_CALLBACK (query_box_cancel_callback),
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query_box, NULL);
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g_object_watch_closure (G_OBJECT (query_box->qbox), closure);
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g_signal_connect_closure (object, signal, closure, FALSE);
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}
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if (icon_name)
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{
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GtkWidget *content_area;
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GtkWidget *image;
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content_area = gtk_dialog_get_content_area (GTK_DIALOG (query_box->qbox));
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
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gtk_container_set_border_width (GTK_CONTAINER (hbox), 12);
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gtk_box_pack_start (GTK_BOX (content_area), hbox, TRUE, TRUE, 0);
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gtk_widget_show (hbox);
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image = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_DIALOG);
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gtk_widget_set_valign (image, GTK_ALIGN_START);
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gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
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gtk_widget_show (image);
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}
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query_box->vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
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g_object_set_data (G_OBJECT (query_box->qbox), "pika-query-box-vbox",
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query_box->vbox);
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if (hbox)
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{
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gtk_box_pack_start (GTK_BOX (hbox), query_box->vbox, FALSE, FALSE, 0);
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}
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else
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{
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GtkWidget *content_area;
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content_area = gtk_dialog_get_content_area (GTK_DIALOG (query_box->qbox));
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gtk_container_set_border_width (GTK_CONTAINER (query_box->vbox), 12);
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gtk_box_pack_start (GTK_BOX (content_area), query_box->vbox,
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TRUE, TRUE, 0);
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}
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gtk_widget_show (query_box->vbox);
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if (message)
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{
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label = gtk_label_new (message);
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gtk_label_set_xalign (GTK_LABEL (label), 0.0);
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gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
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gtk_box_pack_start (GTK_BOX (query_box->vbox), label, FALSE, FALSE, 0);
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gtk_widget_show (label);
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}
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query_box->entry = NULL;
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query_box->object = object;
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query_box->callback = callback;
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query_box->callback_data = callback_data;
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query_box->callback_data_destroy = callback_data_destroy;
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return query_box;
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}
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/**
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* pika_query_string_box:
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* @title: The query box dialog's title.
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* @parent: The dialog's parent widget.
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* @help_func: (scope async): The help function to show this dialog's help page.
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* @help_id: A string identifying this dialog's help page.
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* @message: A string which will be shown above the dialog's entry widget.
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* @initial: The initial value.
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* @object: The object this query box is associated with.
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* @signal: The object's signal which will cause the query box to be closed.
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* @callback: The function which will be called when the user selects "OK".
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* @data: The callback's user data.
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* @data_destroy: Destroy function for @data.
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*
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* Creates a new #GtkDialog that queries the user for a string value.
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*
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* Returns: (transfer full): A pointer to the new #GtkDialog.
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**/
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GtkWidget *
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pika_query_string_box (const gchar *title,
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GtkWidget *parent,
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PikaHelpFunc help_func,
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const gchar *help_id,
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const gchar *message,
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const gchar *initial,
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GObject *object,
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const gchar *signal,
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PikaQueryStringCallback callback,
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gpointer data,
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GDestroyNotify data_destroy)
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{
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QueryBox *query_box;
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GtkWidget *entry;
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query_box = create_query_box (title, parent, help_func, help_id,
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G_CALLBACK (string_query_box_response),
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"dialog-question",
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message,
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_("_OK"), _("_Cancel"),
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object, signal,
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G_CALLBACK (callback),
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data, data_destroy);
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if (! query_box)
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return NULL;
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entry = gtk_entry_new ();
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gtk_entry_set_text (GTK_ENTRY (entry), initial ? initial : "");
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gtk_entry_set_activates_default (GTK_ENTRY (entry), TRUE);
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gtk_box_pack_start (GTK_BOX (query_box->vbox), entry, FALSE, FALSE, 0);
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gtk_widget_grab_focus (entry);
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gtk_widget_show (entry);
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query_box->entry = entry;
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return query_box->qbox;
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}
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/**
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* pika_query_int_box:
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* @title: The query box dialog's title.
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* @parent: The dialog's parent widget.
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* @help_func: (scope async): The help function to show this dialog's help page.
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* @help_id: A string identifying this dialog's help page.
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* @message: A string which will be shown above the dialog's entry widget.
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* @initial: The initial value.
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* @lower: The lower boundary of the range of possible values.
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* @upper: The upper boundray of the range of possible values.
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* @object: The object this query box is associated with.
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* @signal: The object's signal which will cause the query box to be closed.
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* @callback: The function which will be called when the user selects "OK".
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* @data: The callback's user data.
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* @data_destroy: Destroy function for @data.
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*
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* Creates a new #GtkDialog that queries the user for an integer value.
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*
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* Returns: (transfer full): A pointer to the new #GtkDialog.
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**/
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GtkWidget *
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pika_query_int_box (const gchar *title,
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GtkWidget *parent,
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PikaHelpFunc help_func,
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const gchar *help_id,
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const gchar *message,
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gint initial,
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gint lower,
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gint upper,
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GObject *object,
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const gchar *signal,
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PikaQueryIntCallback callback,
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gpointer data,
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GDestroyNotify data_destroy)
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{
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QueryBox *query_box;
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GtkWidget *spinbutton;
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GtkAdjustment *adjustment;
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query_box = create_query_box (title, parent, help_func, help_id,
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G_CALLBACK (int_query_box_response),
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"dialog-question",
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message,
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_("_OK"), _("_Cancel"),
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object, signal,
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G_CALLBACK (callback),
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data, data_destroy);
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if (! query_box)
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return NULL;
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adjustment = gtk_adjustment_new (initial, lower, upper, 1, 10, 0);
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spinbutton = pika_spin_button_new (adjustment, 1.0, 0);
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gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE);
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gtk_entry_set_activates_default (GTK_ENTRY (spinbutton), TRUE);
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gtk_box_pack_start (GTK_BOX (query_box->vbox), spinbutton, FALSE, FALSE, 0);
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gtk_widget_grab_focus (spinbutton);
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gtk_widget_show (spinbutton);
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query_box->entry = spinbutton;
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return query_box->qbox;
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}
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/**
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* pika_query_double_box:
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* @title: The query box dialog's title.
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* @parent: The dialog's parent widget.
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* @help_func: (scope async): The help function to show this dialog's help page.
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* @help_id: A string identifying this dialog's help page.
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* @message: A string which will be shown above the dialog's entry widget.
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* @initial: The initial value.
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* @lower: The lower boundary of the range of possible values.
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* @upper: The upper boundray of the range of possible values.
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* @digits: The number of decimal digits the #GtkSpinButton will provide.
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* @object: The object this query box is associated with.
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* @signal: The object's signal which will cause the query box to be closed.
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* @callback: The function which will be called when the user selects "OK".
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* @data: The callback's user data.
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* @data_destroy: Destroy function for @data.
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*
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* Creates a new #GtkDialog that queries the user for a double value.
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*
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* Returns: (transfer full): A pointer to the new #GtkDialog.
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**/
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GtkWidget *
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pika_query_double_box (const gchar *title,
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GtkWidget *parent,
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PikaHelpFunc help_func,
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const gchar *help_id,
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const gchar *message,
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gdouble initial,
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gdouble lower,
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gdouble upper,
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gint digits,
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GObject *object,
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const gchar *signal,
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PikaQueryDoubleCallback callback,
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gpointer data,
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GDestroyNotify data_destroy)
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{
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QueryBox *query_box;
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GtkWidget *spinbutton;
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GtkAdjustment *adjustment;
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query_box = create_query_box (title, parent, help_func, help_id,
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G_CALLBACK (double_query_box_response),
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"dialog-question",
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message,
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_("_OK"), _("_Cancel"),
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object, signal,
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G_CALLBACK (callback),
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data, data_destroy);
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if (! query_box)
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return NULL;
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adjustment = gtk_adjustment_new (initial, lower, upper, 1, 10, 0);
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spinbutton = pika_spin_button_new (adjustment, 1.0, 0);
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gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE);
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gtk_entry_set_activates_default (GTK_ENTRY (spinbutton), TRUE);
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gtk_box_pack_start (GTK_BOX (query_box->vbox), spinbutton, FALSE, FALSE, 0);
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gtk_widget_grab_focus (spinbutton);
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gtk_widget_show (spinbutton);
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query_box->entry = spinbutton;
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return query_box->qbox;
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}
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/**
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* pika_query_size_box:
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* @title: The query box dialog's title.
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* @parent: The dialog's parent widget.
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* @help_func: (scope async): The help function to show this dialog's help page.
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* @help_id: A string identifying this dialog's help page.
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* @message: A string which will be shown above the dialog's entry widget.
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* @initial: The initial value.
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* @lower: The lower boundary of the range of possible values.
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* @upper: The upper boundray of the range of possible values.
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* @digits: The number of decimal digits the #PikaSizeEntry provide in
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* "pixel" mode.
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* @unit: The unit initially shown by the #PikaUnitMenu.
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* @resolution: The resolution (in dpi) which will be used for pixel/unit
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* calculations.
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* @dot_for_dot: %TRUE if the #PikaUnitMenu's initial unit should be "pixels".
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* @object: The object this query box is associated with.
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* @signal: The object's signal which will cause the query box
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* to be closed.
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* @callback: The function which will be called when the user selects "OK".
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* @data: The callback's user data.
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* @data_destroy: Destroy function for @data.
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*
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* Creates a new #GtkDialog that queries the user for a size using a
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* #PikaSizeEntry.
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*
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* Returns: (transfer full): A pointer to the new #GtkDialog.
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**/
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GtkWidget *
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pika_query_size_box (const gchar *title,
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GtkWidget *parent,
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PikaHelpFunc help_func,
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const gchar *help_id,
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const gchar *message,
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gdouble initial,
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gdouble lower,
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gdouble upper,
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gint digits,
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PikaUnit unit,
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gdouble resolution,
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gboolean dot_for_dot,
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GObject *object,
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const gchar *signal,
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PikaQuerySizeCallback callback,
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gpointer data,
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GDestroyNotify data_destroy)
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{
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QueryBox *query_box;
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GtkWidget *sizeentry;
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GtkWidget *spinbutton;
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query_box = create_query_box (title, parent, help_func, help_id,
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G_CALLBACK (size_query_box_response),
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"dialog-question",
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message,
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_("_OK"), _("_Cancel"),
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object, signal,
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G_CALLBACK (callback),
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data, data_destroy);
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if (! query_box)
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return NULL;
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sizeentry = pika_size_entry_new (1, unit, "%p", TRUE, FALSE, FALSE, 12,
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PIKA_SIZE_ENTRY_UPDATE_SIZE);
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if (dot_for_dot)
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pika_size_entry_set_unit (PIKA_SIZE_ENTRY (sizeentry), PIKA_UNIT_PIXEL);
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pika_size_entry_set_resolution (PIKA_SIZE_ENTRY (sizeentry), 0,
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resolution, FALSE);
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pika_size_entry_set_refval_digits (PIKA_SIZE_ENTRY (sizeentry), 0, digits);
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pika_size_entry_set_refval_boundaries (PIKA_SIZE_ENTRY (sizeentry), 0,
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lower, upper);
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pika_size_entry_set_refval (PIKA_SIZE_ENTRY (sizeentry), 0, initial);
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spinbutton = pika_size_entry_get_help_widget (PIKA_SIZE_ENTRY (sizeentry), 0);
|
|
gtk_entry_set_activates_default (GTK_ENTRY (spinbutton), TRUE);
|
|
|
|
gtk_box_pack_start (GTK_BOX (query_box->vbox), sizeentry, FALSE, FALSE, 0);
|
|
pika_size_entry_grab_focus (PIKA_SIZE_ENTRY (sizeentry));
|
|
gtk_widget_show (sizeentry);
|
|
|
|
query_box->entry = sizeentry;
|
|
|
|
return query_box->qbox;
|
|
}
|
|
|
|
/**
|
|
* pika_query_boolean_box:
|
|
* @title: The query box dialog's title.
|
|
* @parent: The dialog's parent widget.
|
|
* @help_func: (scope async): The help function to show this dialog's help page.
|
|
* @help_id: A string identifying this dialog's help page.
|
|
* @icon_name: An icon name to specify an icon to appear on the left
|
|
* on the dialog's message.
|
|
* @message: A string which will be shown in the query box.
|
|
* @true_button: The string to be shown in the dialog's left button.
|
|
* @false_button: The string to be shown in the dialog's right button.
|
|
* @object: The object this query box is associated with.
|
|
* @signal: The object's signal which will cause the query box
|
|
* to be closed.
|
|
* @callback: The function which will be called when the user clicks one
|
|
* of the buttons.
|
|
* @data: The callback's user data.
|
|
* @data_destroy: Destroy function for @data.
|
|
*
|
|
* Creates a new #GtkDialog that asks the user to do a boolean decision.
|
|
*
|
|
* Returns: (transfer full): A pointer to the new #GtkDialog.
|
|
**/
|
|
GtkWidget *
|
|
pika_query_boolean_box (const gchar *title,
|
|
GtkWidget *parent,
|
|
PikaHelpFunc help_func,
|
|
const gchar *help_id,
|
|
const gchar *icon_name,
|
|
const gchar *message,
|
|
const gchar *true_button,
|
|
const gchar *false_button,
|
|
GObject *object,
|
|
const gchar *signal,
|
|
PikaQueryBooleanCallback callback,
|
|
gpointer data,
|
|
GDestroyNotify data_destroy)
|
|
{
|
|
QueryBox *query_box;
|
|
|
|
query_box = create_query_box (title, parent, help_func, help_id,
|
|
G_CALLBACK (boolean_query_box_response),
|
|
icon_name,
|
|
message,
|
|
true_button, false_button,
|
|
object, signal,
|
|
G_CALLBACK (callback),
|
|
data, data_destroy);
|
|
|
|
if (! query_box)
|
|
return NULL;
|
|
|
|
return query_box->qbox;
|
|
}
|
|
|
|
|
|
/*
|
|
* private functions
|
|
*/
|
|
|
|
static void
|
|
query_box_disconnect (QueryBox *query_box)
|
|
{
|
|
gtk_widget_set_sensitive (query_box->qbox, FALSE);
|
|
|
|
/* disconnect the response callback to avoid that it may be run twice */
|
|
if (query_box->response_handler)
|
|
{
|
|
g_signal_handler_disconnect (query_box->qbox,
|
|
query_box->response_handler);
|
|
|
|
query_box->response_handler = 0;
|
|
}
|
|
|
|
/* disconnect, if we are connected to some signal */
|
|
if (query_box->object)
|
|
g_signal_handlers_disconnect_by_func (query_box->object,
|
|
query_box_cancel_callback,
|
|
query_box);
|
|
}
|
|
|
|
static void
|
|
query_box_destroy (QueryBox *query_box)
|
|
{
|
|
/* Destroy the box */
|
|
if (query_box->qbox)
|
|
gtk_widget_destroy (query_box->qbox);
|
|
|
|
if (query_box->callback_data_destroy)
|
|
query_box->callback_data_destroy (query_box->callback_data);
|
|
|
|
g_slice_free (QueryBox, query_box);
|
|
}
|
|
|
|
static void
|
|
string_query_box_response (GtkWidget *widget,
|
|
gint response_id,
|
|
QueryBox *query_box)
|
|
{
|
|
const gchar *string;
|
|
|
|
query_box_disconnect (query_box);
|
|
|
|
/* Get the entry data */
|
|
string = gtk_entry_get_text (GTK_ENTRY (query_box->entry));
|
|
|
|
/* Call the user defined callback */
|
|
if (response_id == GTK_RESPONSE_OK)
|
|
(* (PikaQueryStringCallback) query_box->callback) (query_box->qbox,
|
|
string,
|
|
query_box->callback_data);
|
|
|
|
query_box_destroy (query_box);
|
|
}
|
|
|
|
static void
|
|
int_query_box_response (GtkWidget *widget,
|
|
gint response_id,
|
|
QueryBox *query_box)
|
|
{
|
|
gint value;
|
|
|
|
query_box_disconnect (query_box);
|
|
|
|
/* Get the spinbutton data */
|
|
value = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (query_box->entry));
|
|
|
|
/* Call the user defined callback */
|
|
if (response_id == GTK_RESPONSE_OK)
|
|
(* (PikaQueryIntCallback) query_box->callback) (query_box->qbox,
|
|
value,
|
|
query_box->callback_data);
|
|
|
|
query_box_destroy (query_box);
|
|
}
|
|
|
|
static void
|
|
double_query_box_response (GtkWidget *widget,
|
|
gint response_id,
|
|
QueryBox *query_box)
|
|
{
|
|
gdouble value;
|
|
|
|
query_box_disconnect (query_box);
|
|
|
|
/* Get the spinbutton data */
|
|
value = gtk_spin_button_get_value (GTK_SPIN_BUTTON (query_box->entry));
|
|
|
|
/* Call the user defined callback */
|
|
if (response_id == GTK_RESPONSE_OK)
|
|
(* (PikaQueryDoubleCallback) query_box->callback) (query_box->qbox,
|
|
value,
|
|
query_box->callback_data);
|
|
|
|
query_box_destroy (query_box);
|
|
}
|
|
|
|
static void
|
|
size_query_box_response (GtkWidget *widget,
|
|
gint response_id,
|
|
QueryBox *query_box)
|
|
{
|
|
gdouble size;
|
|
PikaUnit unit;
|
|
|
|
query_box_disconnect (query_box);
|
|
|
|
/* Get the sizeentry data */
|
|
size = pika_size_entry_get_refval (PIKA_SIZE_ENTRY (query_box->entry), 0);
|
|
unit = pika_size_entry_get_unit (PIKA_SIZE_ENTRY (query_box->entry));
|
|
|
|
/* Call the user defined callback */
|
|
if (response_id == GTK_RESPONSE_OK)
|
|
(* (PikaQuerySizeCallback) query_box->callback) (query_box->qbox,
|
|
size,
|
|
unit,
|
|
query_box->callback_data);
|
|
|
|
query_box_destroy (query_box);
|
|
}
|
|
|
|
static void
|
|
boolean_query_box_response (GtkWidget *widget,
|
|
gint response_id,
|
|
QueryBox *query_box)
|
|
{
|
|
query_box_disconnect (query_box);
|
|
|
|
/* Call the user defined callback */
|
|
(* (PikaQueryBooleanCallback) query_box->callback) (query_box->qbox,
|
|
(response_id ==
|
|
GTK_RESPONSE_OK),
|
|
query_box->callback_data);
|
|
|
|
query_box_destroy (query_box);
|
|
}
|
|
|
|
static void
|
|
query_box_cancel_callback (QueryBox *query_box)
|
|
{
|
|
query_box_disconnect (query_box);
|
|
query_box_destroy (query_box);
|
|
}
|
