1 files changed, 287 insertions, 0 deletions
diff --git a/src/ui/widget/export-lists.cpp b/src/ui/widget/export-lists.cpp
new file mode 100644
index 0000000..ba1da1a
--- /dev/null
+++ b/src/ui/widget/export-lists.cpp
@@ -0,0 +1,287 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* Authors:
+ *   Anshudhar Kumar Singh <anshudhar2001@gmail.com>
+ *
+ * Copyright (C) 2021 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "export-lists.h"
+
+#include <glibmm/convert.h>
+#include <glibmm/i18n.h>
+#include <glibmm/miscutils.h>
+#include <gtkmm.h>
+#include <png.h>
+
+#include "desktop.h"
+#include "document-undo.h"
+#include "document.h"
+#include "extension/db.h"
+#include "extension/output.h"
+#include "file.h"
+#include "helper/png-write.h"
+#include "inkscape-window.h"
+#include "inkscape.h"
+#include "io/resource.h"
+#include "io/sys.h"
+#include "message-stack.h"
+#include "object/object-set.h"
+#include "object/sp-namedview.h"
+#include "object/sp-page.h"
+#include "object/sp-root.h"
+#include "page-manager.h"
+#include "preferences.h"
+#include "selection-chemistry.h"
+#include "ui/dialog-events.h"
+#include "ui/dialog/dialog-notebook.h"
+#include "ui/dialog/filedialog.h"
+#include "ui/icon-loader.h"
+#include "ui/interface.h"
+#include "ui/widget/scrollprotected.h"
+#include "ui/widget/unit-menu.h"
+
+using Inkscape::Util::unit_table;
+
+namespace Inkscape {
+namespace UI {
+namespace Dialog {
+
+ExtensionList::ExtensionList()
+{
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+    _watch_pref = prefs->createObserver("/dialogs/export/show_all_extensions", [=]() { setup(); });
+}
+
+ExtensionList::ExtensionList(BaseObjectType *cobject, const Glib::RefPtr<Gtk::Builder> &refGlade)
+    : Inkscape::UI::Widget::ScrollProtected<Gtk::ComboBoxText>(cobject, refGlade)
+{
+    // This duplication is silly, but needed because C++ can't
+    // both deligate the constructor, and construct for glade
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+    _watch_pref = prefs->createObserver("/dialogs/export/show_all_extensions", [=]() { setup(); });
+}
+
+void ExtensionList::setup()
+{
+    this->remove_all();
+
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+    bool export_all = prefs->getBool("/dialogs/export/show_all_extensions", false);
+
+    Inkscape::Extension::DB::OutputList extensions;
+    Inkscape::Extension::db.get_output_list(extensions);
+    for (auto omod : extensions) {
+        auto oid = Glib::ustring(omod->get_id());
+        if (!export_all && !omod->is_raster() && !omod->is_exported())
+            continue;
+        // Comboboxes don't have a disabled row property
+        if (omod->deactivated())
+            continue;
+        this->append(oid, omod->get_filetypename());
+        // Record extensions map for filename-to-combo selections
+        auto ext = omod->get_extension();
+        if (!ext_to_mod[ext]) {
+            // Some extensions have multiple of the same extension (for example PNG)
+            // we're going to pick the first in the found list to back-link to.
+            ext_to_mod[ext] = omod;
+        }
+    }
+    this->set_active_id(SP_MODULE_KEY_RASTER_PNG);
+}
+
+/**
+ * Returns the Output extension currently selected in this dropdown.
+ */
+Inkscape::Extension::Output *ExtensionList::getExtension()
+{
+    return dynamic_cast<Inkscape::Extension::Output *>(Inkscape::Extension::db.get(this->get_active_id().c_str()));
+}
+
+/**
+ * Returns the file extension (file ending) of the currently selected extension.
+ */
+Glib::ustring ExtensionList::getFileExtension()
+{
+    if (auto ext = getExtension()) {
+        return ext->get_extension();
+    }
+    return "";
+}
+
+/**
+ * Removes the file extension, *if* it's one of the extensions in the list.
+ */
+void ExtensionList::removeExtension(Glib::ustring &filename)
+{
+    auto ext = Inkscape::IO::get_file_extension(filename);
+    if (ext_to_mod[ext]) {
+        filename.erase(filename.size()-ext.size());
+    }
+}
+
+void ExtensionList::setExtensionFromFilename(Glib::ustring const &filename)
+{
+    auto ext = Inkscape::IO::get_file_extension(filename);
+    if (auto omod = ext_to_mod[ext]) {
+        this->set_active_id(omod->get_id());
+    }
+}
+
+void ExportList::setup()
+{
+    if (_initialised) {
+        return;
+    }
+    _initialised = true;
+    prefs = Inkscape::Preferences::get();
+    default_dpi = prefs->getDouble("/dialogs/export/defaultxdpi/value", DPI_BASE);
+
+    Gtk::Button *add_button = Gtk::manage(new Gtk::Button());
+    Glib::ustring label = _("Add Export");
+    add_button->set_label(label);
+    this->attach(*add_button, 0, 0, 4, 1);
+
+    this->insert_row(0);
+
+    Gtk::Label *suffix_label = Gtk::manage(new Gtk::Label(_("Suffix")));
+    this->attach(*suffix_label, _suffix_col, 0, 1, 1);
+    suffix_label->show();
+
+    Gtk::Label *extension_label = Gtk::manage(new Gtk::Label(_("Format")));
+    this->attach(*extension_label, _extension_col, 0, 1, 1);
+    extension_label->show();
+
+    Gtk::Label *dpi_label = Gtk::manage(new Gtk::Label(_("DPI")));
+    this->attach(*dpi_label, _dpi_col, 0, 1, 1);
+    dpi_label->show();
+
+    append_row();
+
+    add_button->signal_clicked().connect(sigc::mem_fun(*this, &ExportList::append_row));
+    add_button->set_hexpand(true);
+    add_button->show();
+
+    this->set_row_spacing(5);
+    this->set_column_spacing(2);
+}
+
+void ExportList::removeExtension(Glib::ustring &filename)
+{
+    ExtensionList *extension_cb = dynamic_cast<ExtensionList *>(this->get_child_at(_extension_col, 1));
+    if (extension_cb) {
+        extension_cb->removeExtension(filename);
+        return;
+    }
+}
+
+void ExportList::append_row()
+{
+    int current_row = _num_rows + 1; // because we have label row at top
+    this->insert_row(current_row);
+
+    Gtk::Entry *suffix = Gtk::manage(new Gtk::Entry());
+    this->attach(*suffix, _suffix_col, current_row, 1, 1);
+    suffix->set_width_chars(2);
+    suffix->set_hexpand(true);
+    suffix->set_placeholder_text(_("Suffix"));
+    suffix->show();
+
+    ExtensionList *extension = Gtk::manage(new ExtensionList());
+    SpinButton *dpi_sb = Gtk::manage(new SpinButton());
+
+    extension->setup();
+    extension->show();
+    this->attach(*extension, _extension_col, current_row, 1, 1);
+
+    // Disable DPI when not using a raster image output
+    extension->signal_changed().connect([=]() {
+        if (auto ext = extension->getExtension()) {
+            dpi_sb->set_sensitive(ext->is_raster());
+        }
+    });
+
+    dpi_sb->set_digits(2);
+    dpi_sb->set_increments(0.1, 1.0);
+    dpi_sb->set_range(1.0, 100000.0);
+    dpi_sb->set_value(default_dpi);
+    dpi_sb->set_sensitive(true);
+    dpi_sb->set_width_chars(6);
+    dpi_sb->set_max_width_chars(6);
+    dpi_sb->show();
+    this->attach(*dpi_sb, _dpi_col, current_row, 1, 1);
+
+    Gtk::Image *pIcon = Gtk::manage(sp_get_icon_image("window-close", Gtk::ICON_SIZE_SMALL_TOOLBAR));
+    Gtk::Button *delete_btn = Gtk::manage(new Gtk::Button());
+    delete_btn->set_relief(Gtk::RELIEF_NONE);
+    delete_btn->add(*pIcon);
+    delete_btn->show_all();
+    delete_btn->set_no_show_all(true);
+    this->attach(*delete_btn, _delete_col, current_row, 1, 1);
+    delete_btn->signal_clicked().connect(sigc::bind(sigc::mem_fun(*this, &ExportList::delete_row), delete_btn));
+
+    _num_rows++;
+}
+
+void ExportList::delete_row(Gtk::Widget *widget)
+{
+    if (widget == nullptr) {
+        return;
+    }
+    if (_num_rows <= 1) {
+        return;
+    }
+    int row = this->child_property_top_attach(*widget);
+    this->remove_row(row);
+    _num_rows--;
+    if (_num_rows <= 1) {
+        Gtk::Widget *d_button_0 = dynamic_cast<Gtk::Widget *>(this->get_child_at(_delete_col, 1));
+        if (d_button_0) {
+            d_button_0->hide();
+        }
+    }
+}
+
+Glib::ustring ExportList::get_suffix(int row)
+{
+    Glib::ustring suffix = "";
+    Gtk::Entry *entry = dynamic_cast<Gtk::Entry *>(this->get_child_at(_suffix_col, row + 1));
+    if (entry == nullptr) {
+        return suffix;
+    }
+    suffix = entry->get_text();
+    return suffix;
+}
+Inkscape::Extension::Output *ExportList::getExtension(int row)
+{
+    ExtensionList *extension_cb = dynamic_cast<ExtensionList *>(this->get_child_at(_extension_col, row + 1));
+    return extension_cb ? extension_cb->getExtension() : nullptr;
+}
+double ExportList::get_dpi(int row)
+{
+    double dpi = default_dpi;
+    SpinButton *spin_sb = dynamic_cast<SpinButton *>(this->get_child_at(_dpi_col, row + 1));
+    if (spin_sb == nullptr) {
+        return dpi;
+    }
+    dpi = spin_sb->get_value();
+    return dpi;
+}
+
+
+
+} // namespace Dialog
+} // namespace UI
+} // namespace Inkscape
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :