check for printing support dynamically

1 files changed, 141 insertions, 0 deletions

diff --git a/vcl/unx/gtk/inc/gtkprintwrapper.hxx b/vcl/unx/gtk/inc/gtkprintwrapper.hxx
new file mode 100644
index 000000000000..e89fb4c4f8c5
--- /dev/null
+++ b/vcl/unx/gtk/inc/gtkprintwrapper.hxx
@@ -0,0 +1,141 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Version: MPL 1.1 / GPLv3+ / LGPLv3+
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License or as specified alternatively below. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * Major Contributor(s):
+ * Copyright (C) 2011 David Tardon, Red Hat Inc. <dtardon@redhat.com> (initial developer)
+ *
+ * All Rights Reserved.
+ *
+ * For minor contributions see the git repository.
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 3 or later (the "GPLv3+"), or
+ * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
+ * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
+ * instead of those above.
+ */
+
+#ifndef UNX_GTK_INC_GTKPRINTWRAPPER_HXX_INCLUDED
+#define UNX_GTK_INC_GTKPRINTWRAPPER_HXX_INCLUDED
+
+#include <boost/noncopyable.hpp>
+
+#include <gtk/gtk.h>
+#include <gtk/gtkunixprint.h>
+
+#include <osl/module.hxx>
+
+namespace vcl
+{
+namespace unx
+{
+
+class GtkPrintWrapper : private boost::noncopyable
+{
+public:
+    GtkPrintWrapper();
+    ~GtkPrintWrapper();
+
+    bool supportsPrinting() const;
+    bool supportsPrintSelection() const;
+
+    // general printing support, since 2.10.0
+    GtkPageSetup* page_setup_new() const;
+
+    GtkPrintJob* print_job_new(const gchar* title, GtkPrinter* printer, GtkPrintSettings* settings, GtkPageSetup* page_setup) const;
+    void print_job_send(GtkPrintJob* job, GtkPrintJobCompleteFunc callback, gpointer user_data, GDestroyNotify dnotify) const;
+    gboolean print_job_set_source_file(GtkPrintJob* job, const gchar* filename, GError** error) const;
+
+    const gchar* print_settings_get(GtkPrintSettings* settings, const gchar* key) const;
+    gboolean print_settings_get_collate(GtkPrintSettings* settings) const;
+    void print_settings_set_collate(GtkPrintSettings* settings, gboolean collate) const;
+    gint print_settings_get_n_copies(GtkPrintSettings* settings) const;
+    void print_settings_set_n_copies(GtkPrintSettings* settings, gint num_copies) const;
+    GtkPageRange* print_settings_get_page_ranges(GtkPrintSettings* settings, gint* num_ranges) const;
+    void print_settings_set_print_pages(GtkPrintSettings* settings, GtkPrintPages pages) const;
+
+    GtkWidget* print_unix_dialog_new(const gchar* title, GtkWindow* parent) const;
+    void print_unix_dialog_add_custom_tab(GtkPrintUnixDialog* dialog, GtkWidget* child, GtkWidget* tab_label) const;
+    GtkPrinter* print_unix_dialog_get_selected_printer(GtkPrintUnixDialog* dialog) const;
+    void print_unix_dialog_set_manual_capabilities(GtkPrintUnixDialog* dialog, GtkPrintCapabilities capabilities) const;
+    GtkPrintSettings* print_unix_dialog_get_settings(GtkPrintUnixDialog* dialog) const;
+    void print_unix_dialog_set_settings(GtkPrintUnixDialog* dialog, GtkPrintSettings* settings) const;
+
+    // print selection support, since 2.17.4
+    void print_operation_set_support_selection(GtkPrintOperation* op, gboolean support_selection) const;
+    void print_operation_set_has_selection(GtkPrintOperation* op, gboolean has_selection) const;
+    void print_unix_dialog_set_support_selection(GtkPrintUnixDialog* dialog, gboolean support_selection) const;
+    void print_unix_dialog_set_has_selection(GtkPrintUnixDialog* dialog, gboolean has_selection) const;
+
+private:
+    void impl_load();
+
+private:
+    typedef GtkPageSetup* (* page_setup_new_t)();
+    typedef GtkPrintJob* (* print_job_new_t)(const gchar*, GtkPrinter*, GtkPrintSettings*, GtkPageSetup*);
+    typedef void (* print_job_send_t)(GtkPrintJob*, GtkPrintJobCompleteFunc, gpointer, GDestroyNotify);
+    typedef gboolean (* print_job_set_source_file_t)(GtkPrintJob*, const gchar*, GError**);
+    typedef const gchar* (* print_settings_get_t)(GtkPrintSettings*, const gchar*);
+    typedef gboolean (* print_settings_get_collate_t)(GtkPrintSettings*);
+    typedef void (* print_settings_set_collate_t)(GtkPrintSettings*, gboolean);
+    typedef gint (* print_settings_get_n_copies_t)(GtkPrintSettings*);
+    typedef void (* print_settings_set_n_copies_t)(GtkPrintSettings*, gint);
+    typedef GtkPageRange* (* print_settings_get_page_ranges_t)(GtkPrintSettings*, gint*);
+    typedef void (* print_settings_set_print_pages_t)(GtkPrintSettings*, GtkPrintPages);
+    typedef GtkWidget* (* print_unix_dialog_new_t)(const gchar*, GtkWindow*);
+    typedef void (* print_unix_dialog_add_custom_tab_t)(GtkPrintUnixDialog*, GtkWidget*, GtkWidget*);
+    typedef GtkPrinter* (* print_unix_dialog_get_selected_printer_t)(GtkPrintUnixDialog*);
+    typedef void (* print_unix_dialog_set_manual_capabilities_t)(GtkPrintUnixDialog*, GtkPrintCapabilities);
+    typedef GtkPrintSettings* (* print_unix_dialog_get_settings_t)(GtkPrintUnixDialog*);
+    typedef void (* print_unix_dialog_set_settings_t)(GtkPrintUnixDialog*, GtkPrintSettings*);
+    typedef void (* print_operation_set_support_selection_t)(GtkPrintOperation*, gboolean);
+    typedef void (* print_operation_set_has_selection_t)(GtkPrintOperation*, gboolean);
+    typedef void (* print_unix_dialog_set_support_selection_t)(GtkPrintUnixDialog*, gboolean);
+    typedef void (* print_unix_dialog_set_has_selection_t)(GtkPrintUnixDialog*, gboolean);
+
+private:
+    osl::Module m_aModule;
+
+    // general printing support, since 2.10.0
+    page_setup_new_t m_page_setup_new;
+    print_job_new_t m_print_job_new;
+    print_job_send_t m_print_job_send;
+    print_job_set_source_file_t m_print_job_set_source_file;
+    print_settings_get_t m_print_settings_get;
+    print_settings_get_collate_t m_print_settings_get_collate;
+    print_settings_set_collate_t m_print_settings_set_collate;
+    print_settings_get_n_copies_t m_print_settings_get_n_copies;
+    print_settings_set_n_copies_t m_print_settings_set_n_copies;
+    print_settings_get_page_ranges_t m_print_settings_get_page_ranges;
+    print_settings_set_print_pages_t m_print_settings_set_print_pages;
+    print_unix_dialog_new_t m_print_unix_dialog_new;
+    print_unix_dialog_add_custom_tab_t m_print_unix_dialog_add_custom_tab;
+    print_unix_dialog_get_selected_printer_t m_print_unix_dialog_get_selected_printer;
+    print_unix_dialog_set_manual_capabilities_t m_print_unix_dialog_set_manual_capabilities;
+    print_unix_dialog_get_settings_t m_print_unix_dialog_get_settings;
+    print_unix_dialog_set_settings_t m_print_unix_dialog_set_settings;
+
+    // print selection support, since 2.17.4
+    print_operation_set_support_selection_t m_print_operation_set_support_selection;
+    print_operation_set_has_selection_t m_print_operation_set_has_selection;
+    print_unix_dialog_set_support_selection_t m_print_unix_dialog_set_support_selection;
+    print_unix_dialog_set_has_selection_t m_print_unix_dialog_set_has_selection;
+};
+
+}
+}
+
+#endif // UNX_GTK_INC_GTKPRINTWRAPPER_HXX_INCLUDED
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */