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Learning_GTK4_tree/gtk/print/gtkcustompaperunixdialog.c

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2023-12-12 11:36:42 +01:00
/* GtkCustomPaperUnixDialog
* Copyright (C) 2006 Alexander Larsson <alexl@redhat.com>
* Copyright © 2006, 2007, 2008 Christian Persch
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <locale.h>
#ifdef HAVE__NL_MEASUREMENT_MEASUREMENT
#include <langinfo.h>
#endif
#include <glib/gi18n-lib.h>
#include "deprecated/gtkdialogprivate.h"
#include "gtkcustompaperunixdialog.h"
#include "gtkprintbackendprivate.h"
#include "gtkprintutilsprivate.h"
#define LEGACY_CUSTOM_PAPER_FILENAME ".gtk-custom-papers"
#define CUSTOM_PAPER_FILENAME "custom-papers"
typedef struct
{
GtkUnit display_unit;
GtkWidget *spin_button;
} UnitWidget;
struct _GtkCustomPaperUnixDialog
{
GtkDialog parent_instance;
GtkWidget *listview;
GtkWidget *values_box;
GtkWidget *printer_combo;
GtkWidget *width_widget;
GtkWidget *height_widget;
GtkWidget *top_widget;
GtkWidget *bottom_widget;
GtkWidget *left_widget;
GtkWidget *right_widget;
gulong printer_inserted_tag;
guint request_details_tag;
GtkPrinter *request_details_printer;
guint non_user_change : 1;
GListStore *custom_paper_list;
GListModel *printer_list;
GList *print_backends;
};
typedef struct _GtkCustomPaperUnixDialogClass GtkCustomPaperUnixDialogClass;
struct _GtkCustomPaperUnixDialogClass
{
GtkDialogClass parent_class;
};
enum {
PRINTER_LIST_COL_NAME,
PRINTER_LIST_COL_PRINTER,
PRINTER_LIST_N_COLS
};
G_DEFINE_TYPE (GtkCustomPaperUnixDialog, gtk_custom_paper_unix_dialog, GTK_TYPE_DIALOG)
static void gtk_custom_paper_unix_dialog_constructed (GObject *object);
static void gtk_custom_paper_unix_dialog_finalize (GObject *object);
static void populate_dialog (GtkCustomPaperUnixDialog *dialog);
GtkUnit
_gtk_print_get_default_user_units (void)
{
/* Translate to the default units to use for presenting
* lengths to the user. Translate to default:inch if you
* want inches, otherwise translate to default:mm.
* Do *not* translate it to "predefinito:mm", if it
* it isn't default:mm or default:inch it will not work
*/
char *e = _("default:mm");
#ifdef HAVE__NL_MEASUREMENT_MEASUREMENT
char *imperial = NULL;
imperial = nl_langinfo (_NL_MEASUREMENT_MEASUREMENT);
if (imperial && imperial[0] == 2 )
return GTK_UNIT_INCH; /* imperial */
if (imperial && imperial[0] == 1 )
return GTK_UNIT_MM; /* metric */
#endif
if (strcmp (e, "default:inch")==0)
return GTK_UNIT_INCH;
else if (strcmp (e, "default:mm"))
g_warning ("Whoever translated default:mm did so wrongly.");
return GTK_UNIT_MM;
}
static char *
custom_paper_get_legacy_filename (void)
{
char *filename;
filename = g_build_filename (g_get_home_dir (),
LEGACY_CUSTOM_PAPER_FILENAME, NULL);
g_assert (filename != NULL);
return filename;
}
static char *
custom_paper_get_filename (void)
{
char *filename;
filename = g_build_filename (g_get_user_config_dir (),
"gtk-4.0",
CUSTOM_PAPER_FILENAME, NULL);
g_assert (filename != NULL);
return filename;
}
GList *
_gtk_load_custom_papers (void)
{
GKeyFile *keyfile;
char *filename;
char **groups;
gsize n_groups, i;
gboolean load_ok;
GList *result = NULL;
filename = custom_paper_get_filename ();
keyfile = g_key_file_new ();
load_ok = g_key_file_load_from_file (keyfile, filename, 0, NULL);
g_free (filename);
if (!load_ok)
{
/* try legacy file */
filename = custom_paper_get_legacy_filename ();
load_ok = g_key_file_load_from_file (keyfile, filename, 0, NULL);
g_free (filename);
}
if (!load_ok)
{
g_key_file_free (keyfile);
return NULL;
}
groups = g_key_file_get_groups (keyfile, &n_groups);
for (i = 0; i < n_groups; ++i)
{
GtkPageSetup *page_setup;
page_setup = gtk_page_setup_new_from_key_file (keyfile, groups[i], NULL);
if (!page_setup)
continue;
result = g_list_prepend (result, page_setup);
}
g_strfreev (groups);
g_key_file_free (keyfile);
return g_list_reverse (result);
}
void
gtk_print_load_custom_papers (GListStore *store)
{
GList *papers, *p;
GtkPageSetup *page_setup;
g_list_store_remove_all (store);
papers = _gtk_load_custom_papers ();
for (p = papers; p; p = p->next)
{
page_setup = p->data;
g_list_store_append (store, page_setup);
g_object_unref (page_setup);
}
g_list_free (papers);
}
static void
gtk_print_save_custom_papers (GListStore *store)
{
GKeyFile *keyfile;
char *filename, *data, *parentdir;
gsize len;
int i = 0;
keyfile = g_key_file_new ();
for (i = 0; i < g_list_model_get_n_items (G_LIST_MODEL (store)); i++)
{
GtkPageSetup *page_setup;
char group[32];
page_setup = g_list_model_get_item (G_LIST_MODEL (store), i);
g_snprintf (group, sizeof (group), "Paper%u", i);
gtk_page_setup_to_key_file (page_setup, keyfile, group);
g_object_unref (page_setup);
}
filename = custom_paper_get_filename ();
parentdir = g_build_filename (g_get_user_config_dir (),
"gtk-4.0",
NULL);
if (g_mkdir_with_parents (parentdir, 0700) == 0)
{
data = g_key_file_to_data (keyfile, &len, NULL);
g_file_set_contents (filename, data, len, NULL);
g_free (data);
}
g_free (parentdir);
g_free (filename);
}
static void
gtk_custom_paper_unix_dialog_class_init (GtkCustomPaperUnixDialogClass *class)
{
G_OBJECT_CLASS (class)->constructed = gtk_custom_paper_unix_dialog_constructed;
G_OBJECT_CLASS (class)->finalize = gtk_custom_paper_unix_dialog_finalize;
}
static void
custom_paper_dialog_response_cb (GtkDialog *dialog,
int response,
gpointer user_data)
{
GtkCustomPaperUnixDialog *self = GTK_CUSTOM_PAPER_UNIX_DIALOG (dialog);
gtk_print_save_custom_papers (self->custom_paper_list);
}
static gboolean
match_func (gpointer item, gpointer user_data)
{
return !gtk_printer_is_virtual (GTK_PRINTER (item));
}
static void
gtk_custom_paper_unix_dialog_init (GtkCustomPaperUnixDialog *dialog)
{
GtkPrinter *printer;
GListStore *printer_list;
GListStore *printer_list_list;
GListModel *full_list;
GtkFilter *filter;
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
gtk_dialog_set_use_header_bar_from_setting (GTK_DIALOG (dialog));
G_GNUC_END_IGNORE_DEPRECATIONS
dialog->print_backends = NULL;
dialog->request_details_printer = NULL;
dialog->request_details_tag = 0;
printer_list_list = g_list_store_new (G_TYPE_LIST_MODEL);
printer_list = g_list_store_new (GTK_TYPE_PRINTER);
printer = gtk_printer_new (_("Margins from Printer…"), NULL, FALSE);
g_list_store_append (printer_list, printer);
g_object_unref (printer);
g_list_store_append (printer_list_list, printer_list);
g_object_unref (printer_list);
full_list = G_LIST_MODEL (gtk_flatten_list_model_new (G_LIST_MODEL (printer_list_list)));
filter = GTK_FILTER (gtk_custom_filter_new (match_func, NULL, NULL));
dialog->printer_list = G_LIST_MODEL (gtk_filter_list_model_new (full_list, filter));
dialog->custom_paper_list = g_list_store_new (GTK_TYPE_PAGE_SETUP);
gtk_print_load_custom_papers (dialog->custom_paper_list);
populate_dialog (dialog);
g_signal_connect (dialog, "response", G_CALLBACK (custom_paper_dialog_response_cb), NULL);
}
static void
gtk_custom_paper_unix_dialog_constructed (GObject *object)
{
gboolean use_header;
G_OBJECT_CLASS (gtk_custom_paper_unix_dialog_parent_class)->constructed (object);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
g_object_get (object, "use-header-bar", &use_header, NULL);
if (!use_header)
{
gtk_dialog_add_buttons (GTK_DIALOG (object),
_("_Close"), GTK_RESPONSE_CLOSE,
NULL);
gtk_dialog_set_default_response (GTK_DIALOG (object), GTK_RESPONSE_CLOSE);
}
G_GNUC_END_IGNORE_DEPRECATIONS
}
static void
gtk_custom_paper_unix_dialog_finalize (GObject *object)
{
GtkCustomPaperUnixDialog *dialog = GTK_CUSTOM_PAPER_UNIX_DIALOG (object);
GList *node;
if (dialog->printer_list)
{
g_signal_handler_disconnect (dialog->printer_list, dialog->printer_inserted_tag);
g_object_unref (dialog->printer_list);
dialog->printer_list = NULL;
}
if (dialog->request_details_tag)
{
g_signal_handler_disconnect (dialog->request_details_printer,
dialog->request_details_tag);
g_object_unref (dialog->request_details_printer);
dialog->request_details_printer = NULL;
dialog->request_details_tag = 0;
}
g_clear_object (&dialog->custom_paper_list);
for (node = dialog->print_backends; node; node = node->next)
gtk_print_backend_destroy (GTK_PRINT_BACKEND (node->data));
g_list_free_full (dialog->print_backends, g_object_unref);
dialog->print_backends = NULL;
G_OBJECT_CLASS (gtk_custom_paper_unix_dialog_parent_class)->finalize (object);
}
/**
* gtk_custom_paper_unix_dialog_new:
* @title: (nullable): the title of the dialog
* @parent: (nullable): transient parent of the dialog
*
* Creates a new custom paper dialog.
*
* Returns: the new `GtkCustomPaperUnixDialog`
*/
GtkWidget *
_gtk_custom_paper_unix_dialog_new (GtkWindow *parent,
const char *title)
{
GtkWidget *result;
if (title == NULL)
title = _("Manage Custom Sizes");
result = g_object_new (GTK_TYPE_CUSTOM_PAPER_UNIX_DIALOG,
"title", title,
"transient-for", parent,
"modal", parent != NULL,
"destroy-with-parent", TRUE,
"resizable", FALSE,
NULL);
return result;
}
static void
load_print_backends (GtkCustomPaperUnixDialog *dialog)
{
GListModel *full_list;
GListStore *printer_list_list;
GList *node;
full_list = gtk_filter_list_model_get_model (GTK_FILTER_LIST_MODEL (dialog->printer_list));
printer_list_list = G_LIST_STORE (gtk_flatten_list_model_get_model (GTK_FLATTEN_LIST_MODEL (full_list)));
if (g_module_supported ())
dialog->print_backends = gtk_print_backend_load_modules ();
for (node = dialog->print_backends; node != NULL; node = node->next)
{
GtkPrintBackend *backend = GTK_PRINT_BACKEND (node->data);
g_list_store_append (printer_list_list, gtk_print_backend_get_printers (backend));
}
}
static void unit_widget_changed (GtkCustomPaperUnixDialog *dialog);
static GtkWidget *
new_unit_widget (GtkCustomPaperUnixDialog *dialog,
GtkUnit unit,
GtkWidget *mnemonic_label)
{
GtkWidget *hbox, *button, *label;
UnitWidget *data;
data = g_new0 (UnitWidget, 1);
data->display_unit = unit;
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
button = gtk_spin_button_new_with_range (0.0, 9999.0, 1);
gtk_widget_set_valign (button, GTK_ALIGN_BASELINE_FILL);
if (unit == GTK_UNIT_INCH)
gtk_spin_button_set_digits (GTK_SPIN_BUTTON (button), 2);
else
gtk_spin_button_set_digits (GTK_SPIN_BUTTON (button), 1);
gtk_box_append (GTK_BOX (hbox), button);
data->spin_button = button;
g_signal_connect_swapped (button, "value-changed",
G_CALLBACK (unit_widget_changed), dialog);
if (unit == GTK_UNIT_INCH)
label = gtk_label_new (_("inch"));
else
label = gtk_label_new (_("mm"));
gtk_widget_set_valign (label, GTK_ALIGN_BASELINE_FILL);
gtk_box_append (GTK_BOX (hbox), label);
gtk_label_set_mnemonic_widget (GTK_LABEL (mnemonic_label), button);
g_object_set_data_full (G_OBJECT (hbox), "unit-data", data, g_free);
return hbox;
}
static double
unit_widget_get (GtkWidget *unit_widget)
{
UnitWidget *data = g_object_get_data (G_OBJECT (unit_widget), "unit-data");
return _gtk_print_convert_to_mm (gtk_spin_button_get_value (GTK_SPIN_BUTTON (data->spin_button)),
data->display_unit);
}
static void
unit_widget_set (GtkWidget *unit_widget,
double value)
{
UnitWidget *data;
data = g_object_get_data (G_OBJECT (unit_widget), "unit-data");
gtk_spin_button_set_value (GTK_SPIN_BUTTON (data->spin_button),
_gtk_print_convert_from_mm (value, data->display_unit));
}
static void
update_combo_sensitivity_from_printers (GtkCustomPaperUnixDialog *dialog)
{
gboolean sensitive = FALSE;
if (g_list_model_get_n_items (dialog->printer_list) > 1)
sensitive = TRUE;
gtk_widget_set_sensitive (dialog->printer_combo, sensitive);
}
static void
update_custom_widgets_from_list (GtkCustomPaperUnixDialog *dialog)
{
GListModel *model;
GtkPageSetup *page_setup;
model = G_LIST_MODEL (gtk_list_view_get_model (GTK_LIST_VIEW (dialog->listview)));
page_setup = gtk_single_selection_get_selected_item (GTK_SINGLE_SELECTION (model));
dialog->non_user_change = TRUE;
if (page_setup != NULL)
{
unit_widget_set (dialog->width_widget,
gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_MM));
unit_widget_set (dialog->height_widget,
gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_MM));
unit_widget_set (dialog->top_widget,
gtk_page_setup_get_top_margin (page_setup, GTK_UNIT_MM));
unit_widget_set (dialog->bottom_widget,
gtk_page_setup_get_bottom_margin (page_setup, GTK_UNIT_MM));
unit_widget_set (dialog->left_widget,
gtk_page_setup_get_left_margin (page_setup, GTK_UNIT_MM));
unit_widget_set (dialog->right_widget,
gtk_page_setup_get_right_margin (page_setup, GTK_UNIT_MM));
gtk_widget_set_sensitive (dialog->values_box, TRUE);
}
else
{
gtk_widget_set_sensitive (dialog->values_box, FALSE);
}
if (dialog->printer_list)
update_combo_sensitivity_from_printers (dialog);
dialog->non_user_change = FALSE;
}
static void
selected_custom_paper_changed (GObject *list,
GParamSpec *pspec,
GtkCustomPaperUnixDialog *dialog)
{
update_custom_widgets_from_list (dialog);
}
static void
unit_widget_changed (GtkCustomPaperUnixDialog *dialog)
{
double w, h, top, bottom, left, right;
GListModel *model;
GtkPageSetup *page_setup;
GtkPaperSize *paper_size;
if (dialog->non_user_change)
return;
model = G_LIST_MODEL (gtk_list_view_get_model (GTK_LIST_VIEW (dialog->listview)));
page_setup = gtk_single_selection_get_selected_item (GTK_SINGLE_SELECTION (model));
if (page_setup != NULL)
{
w = unit_widget_get (dialog->width_widget);
h = unit_widget_get (dialog->height_widget);
paper_size = gtk_page_setup_get_paper_size (page_setup);
gtk_paper_size_set_size (paper_size, w, h, GTK_UNIT_MM);
top = unit_widget_get (dialog->top_widget);
bottom = unit_widget_get (dialog->bottom_widget);
left = unit_widget_get (dialog->left_widget);
right = unit_widget_get (dialog->right_widget);
gtk_page_setup_set_top_margin (page_setup, top, GTK_UNIT_MM);
gtk_page_setup_set_bottom_margin (page_setup, bottom, GTK_UNIT_MM);
gtk_page_setup_set_left_margin (page_setup, left, GTK_UNIT_MM);
gtk_page_setup_set_right_margin (page_setup, right, GTK_UNIT_MM);
}
}
static gboolean
custom_paper_name_used (GtkCustomPaperUnixDialog *dialog,
const char *name)
{
GtkPageSetup *page_setup;
GtkPaperSize *paper_size;
guint i;
for (i = 0; i < g_list_model_get_n_items (G_LIST_MODEL (dialog->custom_paper_list)); i++)
{
page_setup = g_list_model_get_item (G_LIST_MODEL (dialog->custom_paper_list), i);
paper_size = gtk_page_setup_get_paper_size (page_setup);
if (strcmp (name, gtk_paper_size_get_name (paper_size)) == 0)
{
g_object_unref (page_setup);
return TRUE;
}
g_object_unref (page_setup);
}
return FALSE;
}
static void
add_custom_paper (GtkCustomPaperUnixDialog *dialog)
{
GtkPageSetup *page_setup;
GtkPaperSize *paper_size;
char *name;
int i;
i = 1;
name = NULL;
do
{
g_free (name);
name = g_strdup_printf (_("Custom Size %d"), i);
i++;
} while (custom_paper_name_used (dialog, name));
page_setup = gtk_page_setup_new ();
paper_size = gtk_paper_size_new_custom (name, name,
gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_MM),
gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_MM),
GTK_UNIT_MM);
gtk_page_setup_set_paper_size (page_setup, paper_size);
gtk_paper_size_free (paper_size);
g_list_store_append (dialog->custom_paper_list, page_setup);
g_object_unref (page_setup);
/* FIXME start editing */
g_free (name);
}
static void
remove_custom_paper (GtkCustomPaperUnixDialog *dialog)
{
GListModel *model;
guint selected;
model = G_LIST_MODEL (gtk_list_view_get_model (GTK_LIST_VIEW (dialog->listview)));
selected = gtk_single_selection_get_selected (GTK_SINGLE_SELECTION (model));
if (selected != GTK_INVALID_LIST_POSITION)
g_list_store_remove (dialog->custom_paper_list, selected);
}
static void
set_margins_from_printer (GtkCustomPaperUnixDialog *dialog,
GtkPrinter *printer)
{
double top, bottom, left, right;
top = bottom = left = right = 0;
if (!gtk_printer_get_hard_margins (printer, &top, &bottom, &left, &right))
return;
dialog->non_user_change = TRUE;
unit_widget_set (dialog->top_widget, _gtk_print_convert_to_mm (top, GTK_UNIT_POINTS));
unit_widget_set (dialog->bottom_widget, _gtk_print_convert_to_mm (bottom, GTK_UNIT_POINTS));
unit_widget_set (dialog->left_widget, _gtk_print_convert_to_mm (left, GTK_UNIT_POINTS));
unit_widget_set (dialog->right_widget, _gtk_print_convert_to_mm (right, GTK_UNIT_POINTS));
dialog->non_user_change = FALSE;
/* Only send one change */
unit_widget_changed (dialog);
}
static void
get_margins_finished_callback (GtkPrinter *printer,
gboolean success,
GtkCustomPaperUnixDialog *dialog)
{
g_signal_handler_disconnect (dialog->request_details_printer,
dialog->request_details_tag);
g_object_unref (dialog->request_details_printer);
dialog->request_details_tag = 0;
dialog->request_details_printer = NULL;
if (success)
set_margins_from_printer (dialog, printer);
gtk_drop_down_set_selected (GTK_DROP_DOWN (dialog->printer_combo), 0);
}
static void
margins_from_printer_changed (GtkCustomPaperUnixDialog *dialog)
{
guint selected;
GtkPrinter *printer;
if (dialog->request_details_tag)
{
g_signal_handler_disconnect (dialog->request_details_printer,
dialog->request_details_tag);
g_object_unref (dialog->request_details_printer);
dialog->request_details_printer = NULL;
dialog->request_details_tag = 0;
}
selected = gtk_drop_down_get_selected (GTK_DROP_DOWN (dialog->printer_combo));
if (selected != 0)
{
GListModel *model;
model = gtk_drop_down_get_model (GTK_DROP_DOWN (dialog->printer_combo));
printer = g_list_model_get_item (model, selected);
if (printer)
{
if (gtk_printer_has_details (printer))
{
set_margins_from_printer (dialog, printer);
gtk_drop_down_set_selected (GTK_DROP_DOWN (dialog->printer_combo), 0);
}
else
{
dialog->request_details_printer = g_object_ref (printer);
dialog->request_details_tag =
g_signal_connect (printer, "details-acquired",
G_CALLBACK (get_margins_finished_callback), dialog);
gtk_printer_request_details (printer);
}
g_object_unref (printer);
}
}
}
static GtkWidget *
wrap_in_frame (const char *label,
GtkWidget *child)
{
GtkWidget *frame, *label_widget;
char *bold_text;
label_widget = gtk_label_new (NULL);
gtk_widget_set_halign (label_widget, GTK_ALIGN_START);
gtk_widget_set_valign (label_widget, GTK_ALIGN_CENTER);
bold_text = g_markup_printf_escaped ("<b>%s</b>", label);
gtk_label_set_markup (GTK_LABEL (label_widget), bold_text);
g_free (bold_text);
frame = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_box_append (GTK_BOX (frame), label_widget);
gtk_widget_set_margin_start (child, 12);
gtk_widget_set_halign (child, GTK_ALIGN_FILL);
gtk_widget_set_valign (child, GTK_ALIGN_FILL);
gtk_box_append (GTK_BOX (frame), child);
return frame;
}
static void
setup_item (GtkSignalListItemFactory *factory,
GtkListItem *item)
{
gtk_list_item_set_child (item, gtk_editable_label_new (""));
}
static void
label_changed (GObject *object,
GParamSpec *pspec,
GtkListItem *item)
{
GtkPageSetup *page_setup;
GtkPaperSize *paper_size;
const char *new_text;
page_setup = gtk_list_item_get_item (item);
new_text = gtk_editable_get_text (GTK_EDITABLE (object));
paper_size = gtk_paper_size_new_custom (new_text, new_text,
gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_MM),
gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_MM), GTK_UNIT_MM);
gtk_page_setup_set_paper_size (page_setup, paper_size);
gtk_paper_size_free (paper_size);
}
static void
state_changed (GtkWidget *item,
GtkStateFlags old_state,
GtkWidget *label)
{
gboolean selected;
selected = (gtk_widget_get_state_flags (item) & GTK_STATE_FLAG_SELECTED) != 0;
gtk_editable_set_editable (GTK_EDITABLE (label), selected);
}
static void
bind_item (GtkSignalListItemFactory *factory,
GtkListItem *item)
{
GtkPageSetup *page_setup;
GtkPaperSize *paper_size;
GtkWidget *label;
page_setup = gtk_list_item_get_item (item);
label = gtk_list_item_get_child (item);
paper_size = gtk_page_setup_get_paper_size (page_setup);
gtk_editable_set_text (GTK_EDITABLE (label),
gtk_paper_size_get_display_name (paper_size));
g_signal_connect (label, "notify::text",
G_CALLBACK (label_changed), item);
g_signal_connect (gtk_widget_get_parent (label), "state-flags-changed",
G_CALLBACK (state_changed), label);
}
static void
unbind_item (GtkSignalListItemFactory *factory,
GtkListItem *item)
{
GtkWidget *label;
label = gtk_list_item_get_child (item);
g_signal_handlers_disconnect_by_func (label, label_changed, item);
g_signal_handlers_disconnect_by_func (gtk_widget_get_parent (label), state_changed, label);
}
static void
setup_printer_item (GtkSignalListItemFactory *factory,
GtkListItem *item)
{
GtkWidget *label;
label = gtk_label_new ("");
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_list_item_set_child (item, label);
}
static void
bind_printer_item (GtkSignalListItemFactory *factory,
GtkListItem *item)
{
GtkPrinter *printer;
GtkWidget *label;
printer = gtk_list_item_get_item (item);
label = gtk_list_item_get_child (item);
gtk_label_set_label (GTK_LABEL (label), gtk_printer_get_name (printer));
}
static void
populate_dialog (GtkCustomPaperUnixDialog *dialog)
{
GtkDialog *cpu_dialog = GTK_DIALOG (dialog);
GtkWidget *content_area;
GtkWidget *grid, *label, *widget, *frame, *combo;
GtkWidget *hbox, *vbox, *listview, *scrolled, *toolbar, *button;
GtkUnit user_units;
GtkSelectionModel *model;
GtkListItemFactory *factory;
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
content_area = gtk_dialog_get_content_area (cpu_dialog);
G_GNUC_END_IGNORE_DEPRECATIONS
gtk_box_set_spacing (GTK_BOX (content_area), 2); /* 2 * 5 + 2 = 12 */
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 18);
gtk_widget_set_margin_start (hbox, 20);
gtk_widget_set_margin_end (hbox, 20);
gtk_widget_set_margin_top (hbox, 20);
gtk_widget_set_margin_bottom (hbox, 20);
gtk_box_append (GTK_BOX (content_area), hbox);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_box_append (GTK_BOX (hbox), vbox);
scrolled = gtk_scrolled_window_new ();
gtk_widget_set_vexpand (scrolled, TRUE);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled),
GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_has_frame (GTK_SCROLLED_WINDOW (scrolled), TRUE);
gtk_box_append (GTK_BOX (vbox), scrolled);
model = GTK_SELECTION_MODEL (gtk_single_selection_new (g_object_ref (G_LIST_MODEL (dialog->custom_paper_list))));
g_signal_connect (model, "notify::selected", G_CALLBACK (selected_custom_paper_changed), dialog);
factory = gtk_signal_list_item_factory_new ();
g_signal_connect (factory, "setup", G_CALLBACK (setup_item), NULL);
g_signal_connect (factory, "bind", G_CALLBACK (bind_item), NULL);
g_signal_connect (factory, "unbind", G_CALLBACK (unbind_item), NULL);
listview = gtk_list_view_new (model, factory);
gtk_widget_set_size_request (listview, 140, -1);
dialog->listview = listview;
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (scrolled), listview);
toolbar = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_widget_add_css_class (toolbar, "linked");
gtk_box_append (GTK_BOX (vbox), toolbar);
button = gtk_button_new_from_icon_name ("list-add-symbolic");
g_signal_connect_swapped (button, "clicked", G_CALLBACK (add_custom_paper), dialog);
gtk_box_append (GTK_BOX (toolbar), button);
button = gtk_button_new_from_icon_name ("list-remove-symbolic");
g_signal_connect_swapped (button, "clicked", G_CALLBACK (remove_custom_paper), dialog);
gtk_box_append (GTK_BOX (toolbar), button);
user_units = _gtk_print_get_default_user_units ();
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 18);
dialog->values_box = vbox;
gtk_box_append (GTK_BOX (hbox), vbox);
grid = gtk_grid_new ();
gtk_grid_set_row_spacing (GTK_GRID (grid), 6);
gtk_grid_set_column_spacing (GTK_GRID (grid), 12);
label = gtk_label_new_with_mnemonic (_("_Width:"));
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_BASELINE_FILL);
gtk_grid_attach (GTK_GRID (grid), label, 0, 0, 1, 1);
widget = new_unit_widget (dialog, user_units, label);
dialog->width_widget = widget;
gtk_grid_attach (GTK_GRID (grid), widget, 1, 0, 1, 1);
label = gtk_label_new_with_mnemonic (_("_Height:"));
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_BASELINE_FILL);
gtk_grid_attach (GTK_GRID (grid), label, 0, 1, 1, 1);
widget = new_unit_widget (dialog, user_units, label);
dialog->height_widget = widget;
gtk_grid_attach (GTK_GRID (grid), widget, 1, 1, 1, 1);
frame = wrap_in_frame (_("Paper Size"), grid);
gtk_box_append (GTK_BOX (vbox), frame);
grid = gtk_grid_new ();
gtk_grid_set_row_spacing (GTK_GRID (grid), 6);
gtk_grid_set_column_spacing (GTK_GRID (grid), 12);
label = gtk_label_new_with_mnemonic (_("_Top:"));
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_BASELINE_FILL);
gtk_grid_attach (GTK_GRID (grid), label, 0, 0, 1, 1);
widget = new_unit_widget (dialog, user_units, label);
dialog->top_widget = widget;
gtk_grid_attach (GTK_GRID (grid), widget, 1, 0, 1, 1);
label = gtk_label_new_with_mnemonic (_("_Bottom:"));
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_BASELINE_FILL);
gtk_grid_attach (GTK_GRID (grid), label, 0, 1, 1, 1);
widget = new_unit_widget (dialog, user_units, label);
dialog->bottom_widget = widget;
gtk_grid_attach (GTK_GRID (grid), widget, 1, 1, 1, 1);
label = gtk_label_new_with_mnemonic (_("_Left:"));
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_BASELINE_FILL);
gtk_grid_attach (GTK_GRID (grid), label, 0, 2, 1, 1);
widget = new_unit_widget (dialog, user_units, label);
dialog->left_widget = widget;
gtk_grid_attach (GTK_GRID (grid), widget, 1, 2, 1, 1);
label = gtk_label_new_with_mnemonic (_("_Right:"));
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_BASELINE_FILL);
gtk_grid_attach (GTK_GRID (grid), label, 0, 3, 1, 1);
widget = new_unit_widget (dialog, user_units, label);
dialog->right_widget = widget;
gtk_grid_attach (GTK_GRID (grid), widget, 1, 3, 1, 1);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_grid_attach (GTK_GRID (grid), hbox, 0, 4, 2, 1);
combo = gtk_drop_down_new (g_object_ref (dialog->printer_list), NULL);
factory = gtk_signal_list_item_factory_new ();
g_signal_connect (factory, "setup", G_CALLBACK (setup_printer_item), dialog);
g_signal_connect (factory, "bind", G_CALLBACK (bind_printer_item), dialog);
gtk_drop_down_set_factory (GTK_DROP_DOWN (combo), factory);
g_object_unref (factory);
dialog->printer_combo = combo;
dialog->printer_inserted_tag =
g_signal_connect_swapped (dialog->printer_list, "items-changed",
G_CALLBACK (update_combo_sensitivity_from_printers), dialog);
update_combo_sensitivity_from_printers (dialog);
gtk_drop_down_set_selected (GTK_DROP_DOWN (combo), 0);
gtk_box_append (GTK_BOX (hbox), combo);
g_signal_connect_swapped (combo, "notify::selected",
G_CALLBACK (margins_from_printer_changed), dialog);
frame = wrap_in_frame (_("Paper Margins"), grid);
gtk_box_append (GTK_BOX (vbox), frame);
update_custom_widgets_from_list (dialog);
if (g_list_model_get_n_items (G_LIST_MODEL (dialog->custom_paper_list)) == 0)
add_custom_paper (dialog);
load_print_backends (dialog);
}