Adding upstream version 1.2.2.upstream/1.2.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 351 insertions, 0 deletions

diff --git a/src/ui/toolbar/page-toolbar.cpp b/src/ui/toolbar/page-toolbar.cpp
new file mode 100644
index 0000000..d845872
--- /dev/null
+++ b/src/ui/toolbar/page-toolbar.cpp
@@ -0,0 +1,351 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/**
+ * @file
+ * Page aux toolbar: Temp until we convert all toolbars to ui files with Gio::Actions.
+ */
+/* Authors:
+ *   Martin Owens <doctormo@geek-2.com>
+
+ * Copyright (C) 2021 Tavmjong Bah
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "page-toolbar.h"
+
+#include <glibmm/i18n.h>
+#include <gtkmm.h>
+#include <regex>
+
+#include "desktop.h"
+#include "document-undo.h"
+#include "document.h"
+#include "io/resource.h"
+#include "object/sp-namedview.h"
+#include "object/sp-page.h"
+#include "ui/icon-names.h"
+#include "ui/tools/pages-tool.h"
+#include "util/paper.h"
+#include "util/units.h"
+
+using Inkscape::IO::Resource::UIS;
+
+namespace Inkscape {
+namespace UI {
+namespace Toolbar {
+
+PageToolbar::PageToolbar(BaseObjectType *cobject, const Glib::RefPtr<Gtk::Builder> &builder, SPDesktop *desktop)
+    : Gtk::Toolbar(cobject)
+    , _desktop(desktop)
+    , combo_page_sizes(nullptr)
+    , text_page_label(nullptr)
+{
+    builder->get_widget("page_sizes", combo_page_sizes);
+    builder->get_widget("page_label", text_page_label);
+    builder->get_widget("page_pos", label_page_pos);
+    builder->get_widget("page_backward", btn_page_backward);
+    builder->get_widget("page_foreward", btn_page_foreward);
+    builder->get_widget("page_delete", btn_page_delete);
+    builder->get_widget("page_move_objects", btn_move_toggle);
+    builder->get_widget("sep1", sep1);
+
+    if (text_page_label) {
+        text_page_label->signal_changed().connect(sigc::mem_fun(*this, &PageToolbar::labelEdited));
+    }
+
+    if (combo_page_sizes) {
+        combo_page_sizes->signal_changed().connect(sigc::mem_fun(*this, &PageToolbar::sizeChoose));
+        entry_page_sizes = dynamic_cast<Gtk::Entry *>(combo_page_sizes->get_child());
+        if (entry_page_sizes) {
+            entry_page_sizes->set_placeholder_text(_("ex.: 100x100cm"));
+            entry_page_sizes->set_tooltip_text(_("Type in width & height of a page. (ex.: 15x10cm, 10in x 100mm)\n"
+                                                 "or choose preset from dropdown."));
+            entry_page_sizes->signal_activate().connect(sigc::mem_fun(*this, &PageToolbar::sizeChanged));
+            entry_page_sizes->signal_icon_press().connect([=](Gtk::EntryIconPosition, const GdkEventButton*){
+                _document->getPageManager().changeOrientation();
+                DocumentUndo::maybeDone(_document, "page-resize", _("Resize Page"), INKSCAPE_ICON("tool-pages"));
+                setSizeText();
+            });
+            entry_page_sizes->signal_focus_in_event().connect([=](GdkEventFocus* focus){
+                entry_page_sizes->set_text("");
+                return false;
+            });
+        }
+        auto& page_sizes = Inkscape::PaperSize::getPageSizes();
+        for (int i = 0; i < page_sizes.size(); i++) {
+            combo_page_sizes->append(std::to_string(i), page_sizes[i].getDescription(false));
+        }
+    }
+
+    // Watch for when the tool changes
+    _ec_connection = _desktop->connectEventContextChanged(sigc::mem_fun(*this, &PageToolbar::toolChanged));
+    _doc_connection = _desktop->connectDocumentReplaced([=](SPDesktop *desktop, SPDocument *doc) {
+        if (doc) {
+            toolChanged(desktop, desktop->getEventContext());
+        }
+    });
+
+    // Constructed by a builder, so we're going to protect the widget from destruction.
+    this->reference();
+    was_referenced = true;
+}
+
+void PageToolbar::on_parent_changed(Gtk::Widget *)
+{
+    if (was_referenced) {
+        // Undo the gtkbuilder protection now that we have a parent
+        this->unreference();
+        was_referenced = false;
+    }
+}
+
+PageToolbar::~PageToolbar()
+{
+    _ec_connection.disconnect();
+    _doc_connection.disconnect();
+    toolChanged(nullptr, nullptr);
+}
+
+void PageToolbar::toolChanged(SPDesktop *desktop, Inkscape::UI::Tools::ToolBase *ec)
+{
+    // Disconnect previous page changed signal
+    _page_selected.disconnect();
+    _pages_changed.disconnect();
+    _page_modified.disconnect();
+    _document = nullptr;
+
+    if (dynamic_cast<Inkscape::UI::Tools::PagesTool *>(ec)) {
+        // Save the document and page_manager for future use.
+        if ((_document = desktop->getDocument())) {
+            auto &page_manager = _document->getPageManager();
+            // Connect the page changed signal and indicate changed
+            _pages_changed = page_manager.connectPagesChanged(sigc::mem_fun(*this, &PageToolbar::pagesChanged));
+            _page_selected = page_manager.connectPageSelected(sigc::mem_fun(*this, &PageToolbar::selectionChanged));
+            // Update everything now.
+            pagesChanged();
+        }
+    }
+}
+
+void PageToolbar::labelEdited()
+{
+    auto text = text_page_label->get_text();
+    if (auto page = _document->getPageManager().getSelected()) {
+        page->setLabel(text.empty() ? nullptr : text.c_str());
+        DocumentUndo::maybeDone(_document, "page-relabel", _("Relabel Page"), INKSCAPE_ICON("tool-pages"));
+    }
+}
+
+void PageToolbar::sizeChoose()
+{
+    auto &pm = _document->getPageManager();
+    try {
+        auto p_rect = pm.getSelectedPageRect();
+        bool landscape = p_rect.width() > p_rect.height();
+
+        auto page_id = std::stoi(combo_page_sizes->get_active_id());
+        auto& page_sizes = Inkscape::PaperSize::getPageSizes();
+        if (page_id >= 0 && page_id < page_sizes.size()) {
+            auto&& ps = page_sizes[page_id];
+            // Keep page orientation while selecting size
+            auto width = ps.unit->convert(ps.size[landscape], "px");
+            auto height = ps.unit->convert(ps.size[!landscape], "px");
+            pm.resizePage(width, height);
+            setSizeText();
+            DocumentUndo::maybeDone(_document, "page-resize", _("Resize Page"), INKSCAPE_ICON("tool-pages"));
+        }
+    } catch (std::invalid_argument const &e) {
+        // Ignore because user is typing into Entry
+    }
+}
+
+double PageToolbar::_unit_to_size(std::string number, std::string unit_str, std::string backup)
+{
+    // We always support comma, even if not in that particular locale.
+    std::replace(number.begin(), number.end(), ',', '.');
+    double value = std::stod(number);
+
+    // Get the best unit, for example 50x40cm means cm for both
+    if (unit_str.empty() && !backup.empty())
+        unit_str = backup;
+    if (unit_str == "\"")
+        unit_str = "in";
+
+    // Output is always in px as it's the most useful.
+    auto px = Inkscape::Util::unit_table.getUnit("px");
+
+    // Convert from user entered unit to display unit
+    if (!unit_str.empty())
+        return Inkscape::Util::Quantity::convert(value, unit_str, px);
+
+    // Default unit is the document's display unit
+    auto unit = _document->getDisplayUnit();
+    return Inkscape::Util::Quantity::convert(value, unit, px);
+}
+
+/**
+ * A manually typed input size, parse out what we can understand from
+ * the text or ignore it if the text can't be parsed.
+ *
+ * Format: 50cm x 40mm
+ *         20',40"
+ *         30,4-40.2
+ */
+void PageToolbar::sizeChanged()
+{
+    // Parse the size out of the typed text if possible.
+    auto text = std::string(combo_page_sizes->get_active_text());
+    // This does not support negative values, because pages can not be negatively sized.
+    static std::string arg = "([0-9]+[\\.,]?[0-9]*|\\.[0-9]+) ?(px|mm|cm|in|\\\")?";
+    // We can't support × here since it's UTF8 and this doesn't match
+    static std::regex re_size("^ *" + arg + " *([ *Xx,\\-]) *" + arg + " *$");
+
+    std::smatch matches;
+    if (std::regex_match(text, matches, re_size)) {
+        double width = _unit_to_size(matches[1], matches[2], matches[5]);
+        double height = _unit_to_size(matches[4], matches[5], matches[2]);
+        if (width > 0 && height > 0) {
+            _document->getPageManager().resizePage(width, height);
+        }
+    }
+    setSizeText();
+}
+
+/**
+ * Sets the size of the current page into the entry page size.
+ */
+void PageToolbar::setSizeText(SPPage *page)
+{
+    if (!page)
+        page = _document->getPageManager().getSelected();
+
+    auto unit = _document->getDisplayUnit();
+    double width = _document->getWidth().value(unit);
+    double height = _document->getHeight().value(unit);
+    if (page) {
+        auto px = Inkscape::Util::unit_table.getUnit("px");
+        auto rect = page->getDesktopRect();
+        width = px->convert(rect.width(), unit);
+        height = px->convert(rect.height(), unit);
+    }
+    // Orientation button
+    std::string icon = width > height ? "page-landscape" : "page-portrait";
+    if (width == height) {
+        entry_page_sizes->unset_icon(Gtk::ENTRY_ICON_SECONDARY);
+    } else {
+        entry_page_sizes->set_icon_from_icon_name(INKSCAPE_ICON(icon), Gtk::ENTRY_ICON_SECONDARY);
+    }
+
+    if (auto page_size = Inkscape::PaperSize::findPaperSize(width, height, unit)) {
+        entry_page_sizes->set_text(page_size->getDescription(width > height));
+    } else {
+        entry_page_sizes->set_text(Inkscape::PaperSize::toDescription(_("Custom"), width, height, unit));
+    }
+    // Select text if box is currently in focus.
+    if (entry_page_sizes->has_focus()) {
+        entry_page_sizes->select_region(0, -1);
+    }
+}
+
+void PageToolbar::pagesChanged()
+{
+    selectionChanged(_document->getPageManager().getSelected());
+}
+
+void PageToolbar::selectionChanged(SPPage *page)
+{
+    _page_modified.disconnect();
+    auto &page_manager = _document->getPageManager();
+    text_page_label->set_tooltip_text(_("Page label"));
+
+    // Set label widget content with page label.
+    if (page) {
+        text_page_label->set_sensitive(true);
+        text_page_label->set_placeholder_text(page->getDefaultLabel());
+
+        if (auto label = page->label()) {
+            text_page_label->set_text(label);
+        } else {
+            text_page_label->set_text("");
+        }
+
+        // TRANSLATORS: "%1" is replaced with the page we are on, and "%2" is the total number of pages.
+        auto label = Glib::ustring::compose(_("%1/%2"), page->getPagePosition(), page_manager.getPageCount());
+        label_page_pos->set_label(label);
+
+        _page_modified = page->connectModified([=](SPObject *obj, unsigned int flags) {
+            if (auto page = dynamic_cast<SPPage *>(obj)) {
+                // Make sure we don't 'select' on removal of the page
+                if (flags & SP_OBJECT_MODIFIED_FLAG) {
+                    selectionChanged(page);
+                }
+            }
+        });
+    } else {
+        text_page_label->set_text("");
+        text_page_label->set_sensitive(false);
+        text_page_label->set_placeholder_text(_("Single Page Document"));
+        label_page_pos->set_label(_("1/-"));
+
+        _page_modified = _document->connectModified([=](guint) {
+            selectionChanged(nullptr);
+        });
+    }
+    if (!page_manager.hasPrevPage() && !page_manager.hasNextPage() && !page) {
+        sep1->set_visible(false);
+        label_page_pos->get_parent()->set_visible(false);
+        btn_page_backward->set_visible(false);
+        btn_page_foreward->set_visible(false);
+        btn_page_delete->set_visible(false);
+        btn_move_toggle->set_sensitive(false);
+    } else {
+        // Set the forward and backward button sensitivities
+        sep1->set_visible(true);
+        label_page_pos->get_parent()->set_visible(true);
+        btn_page_backward->set_visible(true);
+        btn_page_foreward->set_visible(true);
+        btn_page_backward->set_sensitive(page_manager.hasPrevPage());
+        btn_page_foreward->set_sensitive(page_manager.hasNextPage());
+        btn_page_delete->set_visible(true);
+        btn_move_toggle->set_sensitive(true);
+    }
+    setSizeText(page);
+}
+
+GtkWidget *PageToolbar::create(SPDesktop *desktop)
+{
+    Glib::ustring page_toolbar_builder_file = get_filename(UIS, "toolbar-page.ui");
+    PageToolbar *toolbar = nullptr;
+
+    try {
+        auto builder = Gtk::Builder::create_from_file(page_toolbar_builder_file);
+        builder->get_widget_derived("page-toolbar", toolbar, desktop);
+
+        if (!toolbar) {
+            std::cerr << "InkscapeWindow: Failed to load page toolbar!" << std::endl;
+            return nullptr;
+        }
+        // Usually we should be packing this widget into a parent before the builder
+        // is destroyed, but the create method expects a blind widget so this widget
+        // contains a special keep-alive pattern which can be removed when refactoring.
+    } catch (const Glib::Error &ex) {
+        std::cerr << "PageToolbar: " << page_toolbar_builder_file << " file not read! " << ex.what().raw() << std::endl;
+    }
+    return GTK_WIDGET(toolbar->gobj());
+}
+
+
+} // namespace Toolbar
+} // 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 :