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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gtk/printing/printing_gtk_util.h"
#include <string>
#include "base/strings/utf_string_conversions.h"
#include "printing/buildflags/buildflags.h"
#include "printing/print_settings.h"
#include "printing/printing_context_linux.h"
#include "printing/units.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/size_f.h"
#include "ui/gtk/gtk_compat.h"
#if BUILDFLAG(ENABLE_OOP_PRINTING_NO_OOP_BASIC_PRINT_DIALOG)
#include <utility>
#include "base/values.h"
#endif
gfx::Size GetPdfPaperSizeDeviceUnitsGtk(
printing::PrintingContextLinux* context) {
GtkPageSetup* page_setup = gtk_page_setup_new();
gfx::SizeF paper_size(
gtk_page_setup_get_paper_width(page_setup, GTK_UNIT_INCH),
gtk_page_setup_get_paper_height(page_setup, GTK_UNIT_INCH));
g_object_unref(page_setup);
const printing::PrintSettings& settings = context->settings();
return gfx::Size(paper_size.width() * settings.device_units_per_inch(),
paper_size.height() * settings.device_units_per_inch());
}
void InitPrintSettingsGtk(GtkPrintSettings* settings,
GtkPageSetup* page_setup,
printing::PrintSettings* print_settings) {
DCHECK(settings);
DCHECK(page_setup);
DCHECK(print_settings);
const char* printer_name = gtk_print_settings_get_printer(settings);
std::u16string name =
printer_name ? base::UTF8ToUTF16(printer_name) : std::u16string();
print_settings->set_device_name(name);
gfx::Size physical_size_device_units;
gfx::Rect printable_area_device_units;
int dpi = gtk_print_settings_get_resolution(settings);
CHECK(dpi);
// Initialize `page_setup_device_units_`.
physical_size_device_units.SetSize(
gtk_page_setup_get_paper_width(page_setup, GTK_UNIT_INCH) * dpi,
gtk_page_setup_get_paper_height(page_setup, GTK_UNIT_INCH) * dpi);
printable_area_device_units.SetRect(
gtk_page_setup_get_left_margin(page_setup, GTK_UNIT_INCH) * dpi,
gtk_page_setup_get_top_margin(page_setup, GTK_UNIT_INCH) * dpi,
gtk_page_setup_get_page_width(page_setup, GTK_UNIT_INCH) * dpi,
gtk_page_setup_get_page_height(page_setup, GTK_UNIT_INCH) * dpi);
print_settings->set_dpi(dpi);
// Note: With the normal GTK print dialog, when the user selects the landscape
// orientation, all that does is change the paper size. Which seems to be
// enough to render the right output and send it to the printer.
// The orientation value stays as portrait and does not actually affect
// printing.
// Thus this is only useful in print preview mode, where we manually set the
// orientation and change the paper size ourselves.
GtkPageOrientation orientation = gtk_print_settings_get_orientation(settings);
// Set before SetPrinterPrintableArea to make it flip area if necessary.
print_settings->SetOrientation(orientation == GTK_PAGE_ORIENTATION_LANDSCAPE);
DCHECK_EQ(print_settings->device_units_per_inch(), dpi);
print_settings->SetPrinterPrintableArea(physical_size_device_units,
printable_area_device_units, true);
#if BUILDFLAG(ENABLE_OOP_PRINTING_NO_OOP_BASIC_PRINT_DIALOG)
if (printer_name) {
// Capture the system dialog settings for this printer, to be used by the
// Print Backend service.
base::Value::Dict dialog_data;
dialog_data.Set(printing::kLinuxSystemPrintDialogDataPrinter, printer_name);
ScopedGKeyFile print_settings_key_file(g_key_file_new());
gtk_print_settings_to_key_file(settings, print_settings_key_file.get(),
/*group_name=*/nullptr);
dialog_data.Set(printing::kLinuxSystemPrintDialogDataPrintSettings,
g_key_file_to_data(print_settings_key_file.get(),
/*length=*/nullptr, /*error=*/nullptr));
ScopedGKeyFile page_setup_key_file(g_key_file_new());
gtk_page_setup_to_key_file(page_setup, page_setup_key_file.get(),
/*group_name=*/nullptr);
dialog_data.Set(printing::kLinuxSystemPrintDialogDataPageSetup,
g_key_file_to_data(page_setup_key_file.get(),
/*length=*/nullptr, /*error=*/nullptr));
print_settings->set_system_print_dialog_data(std::move(dialog_data));
}
#endif // BUILDFLAG(ENABLE_OOP_PRINTING_NO_OOP_BASIC_PRINT_DIALOG)
}
#if BUILDFLAG(ENABLE_OOP_PRINTING_NO_OOP_BASIC_PRINT_DIALOG)
ScopedGKeyFile::ScopedGKeyFile(GKeyFile* key_file) : key_file_(key_file) {}
ScopedGKeyFile::~ScopedGKeyFile() {
if (key_file_) {
g_key_file_free(key_file_.ExtractAsDangling());
}
}
#endif // BUILDFLAG(ENABLE_OOP_PRINTING_NO_OOP_BASIC_PRINT_DIALOG)
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