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gtk2/gtk/gtkcustompaperunixdialog.c
Javier Jardón 009acc263e gtkcustompaperunixdialog: unseal private pointer
2010-07-13 19:40:46 +02:00

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/* 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <string.h>
#include <locale.h>
#ifdef HAVE__NL_MEASUREMENT_MEASUREMENT
#include <langinfo.h>
#endif
#include "gtkintl.h"
#include "gtkprivate.h"
#include "gtkliststore.h"
#include "gtktreeviewcolumn.h"
#include "gtklabel.h"
#include "gtkspinbutton.h"
#include "gtkcustompaperunixdialog.h"
#include "gtkprintbackend.h"
#include "gtkprintutils.h"
#define CUSTOM_PAPER_FILENAME ".gtk-custom-papers"
typedef struct
{
GtkUnit display_unit;
GtkWidget *spin_button;
} UnitWidget;
struct _GtkCustomPaperUnixDialogPrivate
{
GtkWidget *treeview;
GtkWidget *values_box;
GtkWidget *printer_combo;
GtkWidget *width_widget;
GtkWidget *height_widget;
GtkWidget *top_widget;
GtkWidget *bottom_widget;
GtkWidget *left_widget;
GtkWidget *right_widget;
GtkTreeViewColumn *text_column;
gulong printer_inserted_tag;
gulong printer_removed_tag;
guint request_details_tag;
GtkPrinter *request_details_printer;
guint non_user_change : 1;
GtkListStore *custom_paper_list;
GtkListStore *printer_list;
GList *print_backends;
gchar *waiting_for_printer;
};
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_finalize (GObject *object);
static void populate_dialog (GtkCustomPaperUnixDialog *dialog);
static void printer_added_cb (GtkPrintBackend *backend,
GtkPrinter *printer,
GtkCustomPaperUnixDialog *dialog);
static void printer_removed_cb (GtkPrintBackend *backend,
GtkPrinter *printer,
GtkCustomPaperUnixDialog *dialog);
static void printer_status_cb (GtkPrintBackend *backend,
GtkPrinter *printer,
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
*/
gchar *e = _("default:mm");
#ifdef HAVE__NL_MEASUREMENT_MEASUREMENT
gchar *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.\n");
return GTK_UNIT_MM;
}
static char *
custom_paper_get_filename (void)
{
gchar *filename;
filename = g_build_filename (g_get_home_dir (),
CUSTOM_PAPER_FILENAME, NULL);
g_assert (filename != NULL);
return filename;
}
GList *
_gtk_load_custom_papers (void)
{
GKeyFile *keyfile;
gchar *filename;
gchar **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)
{
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 (GtkListStore *store)
{
GtkTreeIter iter;
GList *papers, *p;
GtkPageSetup *page_setup;
gtk_list_store_clear (store);
papers = _gtk_load_custom_papers ();
for (p = papers; p; p = p->next)
{
page_setup = p->data;
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
0, page_setup,
-1);
g_object_unref (page_setup);
}
g_list_free (papers);
}
void
_gtk_print_save_custom_papers (GtkListStore *store)
{
GtkTreeModel *model = GTK_TREE_MODEL (store);
GtkTreeIter iter;
GKeyFile *keyfile;
gchar *filename, *data;
gsize len;
gint i = 0;
keyfile = g_key_file_new ();
if (gtk_tree_model_get_iter_first (model, &iter))
{
do
{
GtkPageSetup *page_setup;
gchar group[32];
g_snprintf (group, sizeof (group), "Paper%u", i);
gtk_tree_model_get (model, &iter, 0, &page_setup, -1);
gtk_page_setup_to_key_file (page_setup, keyfile, group);
++i;
} while (gtk_tree_model_iter_next (model, &iter));
}
filename = custom_paper_get_filename ();
data = g_key_file_to_data (keyfile, &len, NULL);
g_file_set_contents (filename, data, len, NULL);
g_free (data);
g_free (filename);
}
static void
gtk_custom_paper_unix_dialog_class_init (GtkCustomPaperUnixDialogClass *class)
{
GObjectClass *object_class;
GtkWidgetClass *widget_class;
object_class = (GObjectClass *) class;
widget_class = (GtkWidgetClass *) class;
object_class->finalize = gtk_custom_paper_unix_dialog_finalize;
g_type_class_add_private (class, sizeof (GtkCustomPaperUnixDialogPrivate));
}
static void
custom_paper_dialog_response_cb (GtkDialog *dialog,
gint response,
gpointer user_data)
{
GtkCustomPaperUnixDialogPrivate *priv = GTK_CUSTOM_PAPER_UNIX_DIALOG (dialog)->priv;
_gtk_print_save_custom_papers (priv->custom_paper_list);
}
static void
gtk_custom_paper_unix_dialog_init (GtkCustomPaperUnixDialog *dialog)
{
GtkCustomPaperUnixDialogPrivate *priv;
GtkTreeIter iter;
dialog->priv = G_TYPE_INSTANCE_GET_PRIVATE (dialog,
GTK_TYPE_CUSTOM_PAPER_UNIX_DIALOG,
GtkCustomPaperUnixDialogPrivate);
priv = dialog->priv;
priv->print_backends = NULL;
priv->request_details_printer = NULL;
priv->request_details_tag = 0;
priv->printer_list = gtk_list_store_new (PRINTER_LIST_N_COLS,
G_TYPE_STRING,
G_TYPE_OBJECT);
gtk_list_store_append (priv->printer_list, &iter);
priv->custom_paper_list = gtk_list_store_new (1, G_TYPE_OBJECT);
_gtk_print_load_custom_papers (priv->custom_paper_list);
populate_dialog (dialog);
gtk_dialog_add_buttons (GTK_DIALOG (dialog),
GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
NULL);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
g_signal_connect (dialog, "response", G_CALLBACK (custom_paper_dialog_response_cb), NULL);
}
static void
gtk_custom_paper_unix_dialog_finalize (GObject *object)
{
GtkCustomPaperUnixDialog *dialog = GTK_CUSTOM_PAPER_UNIX_DIALOG (object);
GtkCustomPaperUnixDialogPrivate *priv = dialog->priv;
GtkPrintBackend *backend;
GList *node;
if (priv->printer_list)
{
g_signal_handler_disconnect (priv->printer_list, priv->printer_inserted_tag);
g_signal_handler_disconnect (priv->printer_list, priv->printer_removed_tag);
g_object_unref (priv->printer_list);
priv->printer_list = NULL;
}
if (priv->request_details_tag)
{
g_signal_handler_disconnect (priv->request_details_printer,
priv->request_details_tag);
g_object_unref (priv->request_details_printer);
priv->request_details_printer = NULL;
priv->request_details_tag = 0;
}
if (priv->custom_paper_list)
{
g_object_unref (priv->custom_paper_list);
priv->custom_paper_list = NULL;
}
g_free (priv->waiting_for_printer);
priv->waiting_for_printer = NULL;
for (node = priv->print_backends; node != NULL; node = node->next)
{
backend = GTK_PRINT_BACKEND (node->data);
g_signal_handlers_disconnect_by_func (backend, printer_added_cb, dialog);
g_signal_handlers_disconnect_by_func (backend, printer_removed_cb, dialog);
g_signal_handlers_disconnect_by_func (backend, printer_status_cb, dialog);
gtk_print_backend_destroy (backend);
g_object_unref (backend);
}
g_list_free (priv->print_backends);
priv->print_backends = NULL;
G_OBJECT_CLASS (gtk_custom_paper_unix_dialog_parent_class)->finalize (object);
}
/**
* gtk_custom_paper_unix_dialog_new:
* @title: (allow-none): the title of the dialog, or %NULL
* @parent: (allow-none): transient parent of the dialog, or %NULL
*
* Creates a new custom paper dialog.
*
* Returns: the new #GtkCustomPaperUnixDialog
*
* Since: 2.18
*/
GtkWidget *
_gtk_custom_paper_unix_dialog_new (GtkWindow *parent,
const gchar *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,
NULL);
return result;
}
static void
printer_added_cb (GtkPrintBackend *backend,
GtkPrinter *printer,
GtkCustomPaperUnixDialog *dialog)
{
GtkCustomPaperUnixDialogPrivate *priv = dialog->priv;
GtkTreeIter iter;
gchar *str;
if (gtk_printer_is_virtual (printer))
return;
str = g_strdup_printf ("<b>%s</b>",
gtk_printer_get_name (printer));
gtk_list_store_append (priv->printer_list, &iter);
gtk_list_store_set (priv->printer_list, &iter,
PRINTER_LIST_COL_NAME, str,
PRINTER_LIST_COL_PRINTER, printer,
-1);
g_object_set_data_full (G_OBJECT (printer),
"gtk-print-tree-iter",
gtk_tree_iter_copy (&iter),
(GDestroyNotify) gtk_tree_iter_free);
g_free (str);
if (priv->waiting_for_printer != NULL &&
strcmp (priv->waiting_for_printer,
gtk_printer_get_name (printer)) == 0)
{
gtk_combo_box_set_active_iter (GTK_COMBO_BOX (priv->printer_combo),
&iter);
priv->waiting_for_printer = NULL;
}
}
static void
printer_removed_cb (GtkPrintBackend *backend,
GtkPrinter *printer,
GtkCustomPaperUnixDialog *dialog)
{
GtkCustomPaperUnixDialogPrivate *priv = dialog->priv;
GtkTreeIter *iter;
iter = g_object_get_data (G_OBJECT (printer), "gtk-print-tree-iter");
gtk_list_store_remove (GTK_LIST_STORE (priv->printer_list), iter);
}
static void
printer_status_cb (GtkPrintBackend *backend,
GtkPrinter *printer,
GtkCustomPaperUnixDialog *dialog)
{
GtkCustomPaperUnixDialogPrivate *priv = dialog->priv;
GtkTreeIter *iter;
gchar *str;
iter = g_object_get_data (G_OBJECT (printer), "gtk-print-tree-iter");
str = g_strdup_printf ("<b>%s</b>",
gtk_printer_get_name (printer));
gtk_list_store_set (priv->printer_list, iter,
PRINTER_LIST_COL_NAME, str,
-1);
g_free (str);
}
static void
printer_list_initialize (GtkCustomPaperUnixDialog *dialog,
GtkPrintBackend *print_backend)
{
GList *list, *node;
g_return_if_fail (print_backend != NULL);
g_signal_connect_object (print_backend,
"printer-added",
(GCallback) printer_added_cb,
G_OBJECT (dialog), 0);
g_signal_connect_object (print_backend,
"printer-removed",
(GCallback) printer_removed_cb,
G_OBJECT (dialog), 0);
g_signal_connect_object (print_backend,
"printer-status-changed",
(GCallback) printer_status_cb,
G_OBJECT (dialog), 0);
list = gtk_print_backend_get_printer_list (print_backend);
node = list;
while (node != NULL)
{
printer_added_cb (print_backend, node->data, dialog);
node = node->next;
}
g_list_free (list);
}
static void
load_print_backends (GtkCustomPaperUnixDialog *dialog)
{
GtkCustomPaperUnixDialogPrivate *priv = dialog->priv;
GList *node;
if (g_module_supported ())
priv->print_backends = gtk_print_backend_load_modules ();
for (node = priv->print_backends; node != NULL; node = node->next)
printer_list_initialize (dialog, GTK_PRINT_BACKEND (node->data));
}
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_hbox_new (FALSE, 6);
button = gtk_spin_button_new_with_range (0.0, 9999.0, 1);
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_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
gtk_widget_show (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_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (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,
gdouble 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
custom_paper_printer_data_func (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
GtkTreeModel *tree_model,
GtkTreeIter *iter,
gpointer data)
{
GtkPrinter *printer;
gtk_tree_model_get (tree_model, iter,
PRINTER_LIST_COL_PRINTER, &printer, -1);
if (printer)
g_object_set (cell, "text", gtk_printer_get_name (printer), NULL);
else
g_object_set (cell, "text", _("Margins from Printer..."), NULL);
if (printer)
g_object_unref (printer);
}
static void
update_combo_sensitivity_from_printers (GtkCustomPaperUnixDialog *dialog)
{
GtkCustomPaperUnixDialogPrivate *priv = dialog->priv;
GtkTreeIter iter;
gboolean sensitive;
GtkTreeSelection *selection;
GtkTreeModel *model;
sensitive = FALSE;
model = GTK_TREE_MODEL (priv->printer_list);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->treeview));
if (gtk_tree_model_get_iter_first (model, &iter) &&
gtk_tree_model_iter_next (model, &iter) &&
gtk_tree_selection_get_selected (selection, NULL, &iter))
sensitive = TRUE;
gtk_widget_set_sensitive (priv->printer_combo, sensitive);
}
static void
update_custom_widgets_from_list (GtkCustomPaperUnixDialog *dialog)
{
GtkCustomPaperUnixDialogPrivate *priv = dialog->priv;
GtkTreeSelection *selection;
GtkTreeModel *model;
GtkTreeIter iter;
GtkPageSetup *page_setup;
model = gtk_tree_view_get_model (GTK_TREE_VIEW (priv->treeview));
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->treeview));
priv->non_user_change = TRUE;
if (gtk_tree_selection_get_selected (selection, NULL, &iter))
{
gtk_tree_model_get (model, &iter, 0, &page_setup, -1);
unit_widget_set (priv->width_widget,
gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_MM));
unit_widget_set (priv->height_widget,
gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_MM));
unit_widget_set (priv->top_widget,
gtk_page_setup_get_top_margin (page_setup, GTK_UNIT_MM));
unit_widget_set (priv->bottom_widget,
gtk_page_setup_get_bottom_margin (page_setup, GTK_UNIT_MM));
unit_widget_set (priv->left_widget,
gtk_page_setup_get_left_margin (page_setup, GTK_UNIT_MM));
unit_widget_set (priv->right_widget,
gtk_page_setup_get_right_margin (page_setup, GTK_UNIT_MM));
gtk_widget_set_sensitive (priv->values_box, TRUE);
}
else
{
gtk_widget_set_sensitive (priv->values_box, FALSE);
}
if (priv->printer_list)
update_combo_sensitivity_from_printers (dialog);
priv->non_user_change = FALSE;
}
static void
selected_custom_paper_changed (GtkTreeSelection *selection,
GtkCustomPaperUnixDialog *dialog)
{
update_custom_widgets_from_list (dialog);
}
static void
unit_widget_changed (GtkCustomPaperUnixDialog *dialog)
{
GtkCustomPaperUnixDialogPrivate *priv = dialog->priv;
gdouble w, h, top, bottom, left, right;
GtkTreeSelection *selection;
GtkTreeIter iter;
GtkPageSetup *page_setup;
GtkPaperSize *paper_size;
if (priv->non_user_change)
return;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->treeview));
if (gtk_tree_selection_get_selected (selection, NULL, &iter))
{
gtk_tree_model_get (GTK_TREE_MODEL (priv->custom_paper_list), &iter, 0, &page_setup, -1);
w = unit_widget_get (priv->width_widget);
h = unit_widget_get (priv->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 (priv->top_widget);
bottom = unit_widget_get (priv->bottom_widget);
left = unit_widget_get (priv->left_widget);
right = unit_widget_get (priv->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);
g_object_unref (page_setup);
}
}
static gboolean
custom_paper_name_used (GtkCustomPaperUnixDialog *dialog,
const gchar *name)
{
GtkCustomPaperUnixDialogPrivate *priv = dialog->priv;
GtkTreeModel *model;
GtkTreeIter iter;
GtkPageSetup *page_setup;
GtkPaperSize *paper_size;
model = gtk_tree_view_get_model (GTK_TREE_VIEW (priv->treeview));
if (gtk_tree_model_get_iter_first (model, &iter))
{
do
{
gtk_tree_model_get (model, &iter, 0, &page_setup, -1);
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);
} while (gtk_tree_model_iter_next (model, &iter));
}
return FALSE;
}
static void
add_custom_paper (GtkCustomPaperUnixDialog *dialog)
{
GtkCustomPaperUnixDialogPrivate *priv = dialog->priv;
GtkListStore *store;
GtkPageSetup *page_setup;
GtkPaperSize *paper_size;
GtkTreeSelection *selection;
GtkTreePath *path;
GtkTreeIter iter;
gchar *name;
gint i;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->treeview));
store = priv->custom_paper_list;
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);
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter, 0, page_setup, -1);
g_object_unref (page_setup);
gtk_tree_selection_select_iter (selection, &iter);
path = gtk_tree_model_get_path (GTK_TREE_MODEL (store), &iter);
gtk_widget_grab_focus (priv->treeview);
gtk_tree_view_set_cursor (GTK_TREE_VIEW (priv->treeview), path,
priv->text_column, TRUE);
gtk_tree_path_free (path);
g_free (name);
}
static void
remove_custom_paper (GtkCustomPaperUnixDialog *dialog)
{
GtkCustomPaperUnixDialogPrivate *priv = dialog->priv;
GtkTreeSelection *selection;
GtkTreeIter iter;
GtkListStore *store;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->treeview));
store = priv->custom_paper_list;
if (gtk_tree_selection_get_selected (selection, NULL, &iter))
{
GtkTreePath *path = gtk_tree_model_get_path (GTK_TREE_MODEL (store), &iter);
gtk_list_store_remove (store, &iter);
if (gtk_tree_model_get_iter (GTK_TREE_MODEL (store), &iter, path))
gtk_tree_selection_select_iter (selection, &iter);
else if (gtk_tree_path_prev (path) && gtk_tree_model_get_iter (GTK_TREE_MODEL (store), &iter, path))
gtk_tree_selection_select_iter (selection, &iter);
gtk_tree_path_free (path);
}
}
static void
set_margins_from_printer (GtkCustomPaperUnixDialog *dialog,
GtkPrinter *printer)
{
GtkCustomPaperUnixDialogPrivate *priv = dialog->priv;
gdouble top, bottom, left, right;
top = bottom = left = right = 0;
if (!gtk_printer_get_hard_margins (printer, &top, &bottom, &left, &right))
return;
priv->non_user_change = TRUE;
unit_widget_set (priv->top_widget, _gtk_print_convert_to_mm (top, GTK_UNIT_POINTS));
unit_widget_set (priv->bottom_widget, _gtk_print_convert_to_mm (bottom, GTK_UNIT_POINTS));
unit_widget_set (priv->left_widget, _gtk_print_convert_to_mm (left, GTK_UNIT_POINTS));
unit_widget_set (priv->right_widget, _gtk_print_convert_to_mm (right, GTK_UNIT_POINTS));
priv->non_user_change = FALSE;
/* Only send one change */
unit_widget_changed (dialog);
}
static void
get_margins_finished_callback (GtkPrinter *printer,
gboolean success,
GtkCustomPaperUnixDialog *dialog)
{
GtkCustomPaperUnixDialogPrivate *priv = dialog->priv;
g_signal_handler_disconnect (priv->request_details_printer,
priv->request_details_tag);
g_object_unref (priv->request_details_printer);
priv->request_details_tag = 0;
priv->request_details_printer = NULL;
if (success)
set_margins_from_printer (dialog, printer);
gtk_combo_box_set_active (GTK_COMBO_BOX (priv->printer_combo), 0);
}
static void
margins_from_printer_changed (GtkCustomPaperUnixDialog *dialog)
{
GtkCustomPaperUnixDialogPrivate *priv = dialog->priv;
GtkTreeIter iter;
GtkComboBox *combo;
GtkPrinter *printer;
combo = GTK_COMBO_BOX (priv->printer_combo);
if (priv->request_details_tag)
{
g_signal_handler_disconnect (priv->request_details_printer,
priv->request_details_tag);
g_object_unref (priv->request_details_printer);
priv->request_details_printer = NULL;
priv->request_details_tag = 0;
}
if (gtk_combo_box_get_active_iter (combo, &iter))
{
gtk_tree_model_get (gtk_combo_box_get_model (combo), &iter,
PRINTER_LIST_COL_PRINTER, &printer, -1);
if (printer)
{
if (gtk_printer_has_details (printer))
{
set_margins_from_printer (dialog, printer);
gtk_combo_box_set_active (combo, 0);
}
else
{
priv->request_details_printer = g_object_ref (printer);
priv->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 void
custom_size_name_edited (GtkCellRenderer *cell,
gchar *path_string,
gchar *new_text,
GtkCustomPaperUnixDialog *dialog)
{
GtkCustomPaperUnixDialogPrivate *priv = dialog->priv;
GtkTreePath *path;
GtkTreeIter iter;
GtkListStore *store;
GtkPageSetup *page_setup;
GtkPaperSize *paper_size;
store = priv->custom_paper_list;
path = gtk_tree_path_new_from_string (path_string);
gtk_tree_model_get_iter (GTK_TREE_MODEL (store), &iter, path);
gtk_tree_model_get (GTK_TREE_MODEL (store), &iter, 0, &page_setup, -1);
gtk_tree_path_free (path);
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);
g_object_unref (page_setup);
}
static void
custom_name_func (GtkTreeViewColumn *tree_column,
GtkCellRenderer *cell,
GtkTreeModel *tree_model,
GtkTreeIter *iter,
gpointer data)
{
GtkPageSetup *page_setup;
GtkPaperSize *paper_size;
gtk_tree_model_get (tree_model, iter, 0, &page_setup, -1);
if (page_setup)
{
paper_size = gtk_page_setup_get_paper_size (page_setup);
g_object_set (cell, "text", gtk_paper_size_get_display_name (paper_size), NULL);
g_object_unref (page_setup);
}
}
static GtkWidget *
wrap_in_frame (const gchar *label,
GtkWidget *child)
{
GtkWidget *frame, *alignment, *label_widget;
gchar *bold_text;
label_widget = gtk_label_new (NULL);
gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.5);
gtk_widget_show (label_widget);
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_vbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (frame), label_widget, FALSE, FALSE, 0);
alignment = gtk_alignment_new (0.0, 0.0, 1.0, 1.0);
gtk_alignment_set_padding (GTK_ALIGNMENT (alignment),
0, 0, 12, 0);
gtk_box_pack_start (GTK_BOX (frame), alignment, FALSE, FALSE, 0);
gtk_container_add (GTK_CONTAINER (alignment), child);
gtk_widget_show (frame);
gtk_widget_show (alignment);
return frame;
}
static void
populate_dialog (GtkCustomPaperUnixDialog *dialog)
{
GtkCustomPaperUnixDialogPrivate *priv = dialog->priv;
GtkWidget *image, *table, *label, *widget, *frame, *combo;
GtkWidget *hbox, *vbox, *treeview, *scrolled, *button_box, *button;
GtkCellRenderer *cell;
GtkTreeViewColumn *column;
GtkTreeIter iter;
GtkTreeSelection *selection;
GtkUnit user_units;
gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
gtk_box_set_spacing (GTK_BOX (GTK_DIALOG (dialog)->vbox), 2); /* 2 * 5 + 2 = 12 */
gtk_container_set_border_width (GTK_CONTAINER (GTK_DIALOG (dialog)->action_area), 5);
gtk_box_set_spacing (GTK_BOX (GTK_DIALOG (dialog)->action_area), 6);
hbox = gtk_hbox_new (FALSE, 18);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), hbox, TRUE, TRUE, 0);
gtk_widget_show (hbox);
vbox = gtk_vbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
gtk_widget_show (vbox);
scrolled = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled),
GTK_SHADOW_IN);
gtk_box_pack_start (GTK_BOX (vbox), scrolled, TRUE, TRUE, 0);
gtk_widget_show (scrolled);
treeview = gtk_tree_view_new_with_model (GTK_TREE_MODEL (priv->custom_paper_list));
priv->treeview = treeview;
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (treeview), FALSE);
gtk_widget_set_size_request (treeview, 140, -1);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview));
gtk_tree_selection_set_mode (selection, GTK_SELECTION_BROWSE);
g_signal_connect (selection, "changed", G_CALLBACK (selected_custom_paper_changed), dialog);
cell = gtk_cell_renderer_text_new ();
g_object_set (cell, "editable", TRUE, NULL);
g_signal_connect (cell, "edited",
G_CALLBACK (custom_size_name_edited), dialog);
priv->text_column = column =
gtk_tree_view_column_new_with_attributes ("paper", cell,
NULL);
gtk_tree_view_column_set_cell_data_func (column, cell, custom_name_func, NULL, NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);
gtk_container_add (GTK_CONTAINER (scrolled), treeview);
gtk_widget_show (treeview);
button_box = gtk_hbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (vbox), button_box, FALSE, FALSE, 0);
gtk_widget_show (button_box);
button = gtk_button_new ();
image = gtk_image_new_from_stock (GTK_STOCK_ADD, GTK_ICON_SIZE_BUTTON);
gtk_widget_show (image);
gtk_container_add (GTK_CONTAINER (button), image);
gtk_box_pack_start (GTK_BOX (button_box), button, FALSE, FALSE, 0);
gtk_widget_show (button);
g_signal_connect_swapped (button, "clicked", G_CALLBACK (add_custom_paper), dialog);
button = gtk_button_new ();
image = gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_BUTTON);
gtk_widget_show (image);
gtk_container_add (GTK_CONTAINER (button), image);
gtk_box_pack_start (GTK_BOX (button_box), button, FALSE, FALSE, 0);
gtk_widget_show (button);
g_signal_connect_swapped (button, "clicked", G_CALLBACK (remove_custom_paper), dialog);
user_units = _gtk_print_get_default_user_units ();
vbox = gtk_vbox_new (FALSE, 18);
priv->values_box = vbox;
gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
gtk_widget_show (vbox);
table = gtk_table_new (2, 2, FALSE);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
gtk_table_set_col_spacings (GTK_TABLE (table), 12);
label = gtk_label_new_with_mnemonic (_("_Width:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_widget_show (label);
gtk_table_attach (GTK_TABLE (table), label,
0, 1, 0, 1, GTK_FILL, 0, 0, 0);
widget = new_unit_widget (dialog, user_units, label);
priv->width_widget = widget;
gtk_table_attach (GTK_TABLE (table), widget,
1, 2, 0, 1, GTK_FILL, 0, 0, 0);
gtk_widget_show (widget);
label = gtk_label_new_with_mnemonic (_("_Height:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_widget_show (label);
gtk_table_attach (GTK_TABLE (table), label,
0, 1, 1, 2, GTK_FILL, 0, 0, 0);
widget = new_unit_widget (dialog, user_units, label);
priv->height_widget = widget;
gtk_table_attach (GTK_TABLE (table), widget,
1, 2, 1, 2, GTK_FILL, 0, 0, 0);
gtk_widget_show (widget);
frame = wrap_in_frame (_("Paper Size"), table);
gtk_widget_show (table);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
table = gtk_table_new (5, 2, FALSE);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
gtk_table_set_col_spacings (GTK_TABLE (table), 12);
label = gtk_label_new_with_mnemonic (_("_Top:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label,
0, 1, 0, 1, GTK_FILL, 0, 0, 0);
gtk_widget_show (label);
widget = new_unit_widget (dialog, user_units, label);
priv->top_widget = widget;
gtk_table_attach (GTK_TABLE (table), widget,
1, 2, 0, 1, GTK_FILL, 0, 0, 0);
gtk_widget_show (widget);
label = gtk_label_new_with_mnemonic (_("_Bottom:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label,
0, 1 , 1, 2, GTK_FILL, 0, 0, 0);
gtk_widget_show (label);
widget = new_unit_widget (dialog, user_units, label);
priv->bottom_widget = widget;
gtk_table_attach (GTK_TABLE (table), widget,
1, 2, 1, 2, GTK_FILL, 0, 0, 0);
gtk_widget_show (widget);
label = gtk_label_new_with_mnemonic (_("_Left:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label,
0, 1, 2, 3, GTK_FILL, 0, 0, 0);
gtk_widget_show (label);
widget = new_unit_widget (dialog, user_units, label);
priv->left_widget = widget;
gtk_table_attach (GTK_TABLE (table), widget,
1, 2, 2, 3, GTK_FILL, 0, 0, 0);
gtk_widget_show (widget);
label = gtk_label_new_with_mnemonic (_("_Right:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach (GTK_TABLE (table), label,
0, 1, 3, 4, GTK_FILL, 0, 0, 0);
gtk_widget_show (label);
widget = new_unit_widget (dialog, user_units, label);
priv->right_widget = widget;
gtk_table_attach (GTK_TABLE (table), widget,
1, 2, 3, 4, GTK_FILL, 0, 0, 0);
gtk_widget_show (widget);
hbox = gtk_hbox_new (FALSE, 0);
gtk_table_attach (GTK_TABLE (table), hbox,
0, 2, 4, 5, GTK_FILL | GTK_EXPAND, 0, 0, 0);
gtk_widget_show (hbox);
combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL (priv->printer_list));
priv->printer_combo = combo;
priv->printer_inserted_tag =
g_signal_connect_swapped (priv->printer_list, "row-inserted",
G_CALLBACK (update_combo_sensitivity_from_printers), dialog);
priv->printer_removed_tag =
g_signal_connect_swapped (priv->printer_list, "row-deleted",
G_CALLBACK (update_combo_sensitivity_from_printers), dialog);
update_combo_sensitivity_from_printers (dialog);
cell = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), cell, TRUE);
gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo), cell,
custom_paper_printer_data_func,
NULL, NULL);
gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 0);
gtk_box_pack_start (GTK_BOX (hbox), combo, FALSE, FALSE, 0);
gtk_widget_show (combo);
g_signal_connect_swapped (combo, "changed",
G_CALLBACK (margins_from_printer_changed), dialog);
frame = wrap_in_frame (_("Paper Margins"), table);
gtk_widget_show (table);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
update_custom_widgets_from_list (dialog);
/* If no custom sizes, add one */
if (!gtk_tree_model_get_iter_first (GTK_TREE_MODEL (priv->custom_paper_list),
&iter))
{
/* Need to realize treeview so we can start the rename */
gtk_widget_realize (treeview);
add_custom_paper (dialog);
}
gtk_window_present (GTK_WINDOW (dialog));
load_print_backends (dialog);
}
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