1 files changed, 131 insertions, 0 deletions
diff --git a/src/ui/widget/canvas-grid.h b/src/ui/widget/canvas-grid.h
new file mode 100644
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--- /dev/null
+++ b/src/ui/widget/canvas-grid.h
@@ -0,0 +1,131 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#ifndef INKSCAPE_UI_WIDGET_CANVASGRID_H
+#define INKSCAPE_UI_WIDGET_CANVASGRID_H
+/*
+ * Author:
+ *   Tavmjong Bah
+ *
+ * Copyright (C) 2020 Tavmjong Bah
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <gtkmm.h>
+#include <gtkmm/label.h>
+#include <gtkmm/overlay.h>
+#include <gtkmm/menubutton.h>
+#include <gtkmm/builder.h>
+
+class SPPage;
+class SPDocument;
+class SPCanvas;
+class SPDesktopWidget;
+
+namespace Inkscape {
+namespace UI {
+
+namespace Dialog {
+class CommandPalette;
+}
+
+namespace Widget {
+
+class Canvas;
+class CanvasNotice;
+class Ruler;
+
+/**
+ * A Gtk::Grid widget that contains rulers, scrollbars, buttons, and, of course, the canvas.
+ * Canvas has an overlay to let us put stuff on the canvas.
+ */ 
+class CanvasGrid : public Gtk::Grid
+{
+    using parent_type = Gtk::Grid;
+public:
+    CanvasGrid(SPDesktopWidget *dtw);
+    ~CanvasGrid() override;
+
+    void ShowScrollbars(bool state = true);
+    void ToggleScrollbars();
+
+    void ShowRulers(bool state = true);
+    void ToggleRulers();
+    void UpdateRulers();
+
+    void ShowCommandPalette(bool state = true);
+    void ToggleCommandPalette();
+
+    void showNotice(Glib::ustring const &msg, unsigned timeout = 0);
+
+    Inkscape::UI::Widget::Canvas *GetCanvas() { return _canvas.get(); };
+
+    // Hopefully temp.
+    Inkscape::UI::Widget::Ruler *GetHRuler() { return _vruler.get(); };
+    Inkscape::UI::Widget::Ruler *GetVRuler() { return _hruler.get(); };
+    Gtk::Adjustment *GetHAdj() { return _hadj.get(); };
+    Gtk::Adjustment *GetVAdj() { return _vadj.get(); };
+    Gtk::ToggleButton *GetGuideLock()  { return &_guide_lock; }
+    Gtk::ToggleButton *GetCmsAdjust()  { return &_cms_adjust; }
+    Gtk::ToggleButton *GetStickyZoom();
+
+private:
+    // Signal callbacks
+    void on_size_allocate(Gtk::Allocation& allocation) override;
+    bool SignalEvent(GdkEvent *event);
+    void on_realize() override;
+
+    // The widgets
+    std::unique_ptr<Inkscape::UI::Widget::Canvas> _canvas;
+    std::unique_ptr<Dialog::CommandPalette> _command_palette;
+    CanvasNotice *_notice;
+    Gtk::Overlay _canvas_overlay;
+    Gtk::Grid _subgrid;
+
+    Glib::RefPtr<Gtk::Adjustment> _hadj;
+    Glib::RefPtr<Gtk::Adjustment> _vadj;
+    Gtk::Scrollbar _hscrollbar;
+    Gtk::Scrollbar _vscrollbar;
+
+    std::unique_ptr<Inkscape::UI::Widget::Ruler> _hruler;
+    std::unique_ptr<Inkscape::UI::Widget::Ruler> _vruler;
+
+    Gtk::ToggleButton _guide_lock;
+    Gtk::ToggleButton _cms_adjust;
+    Gtk::MenuButton _quick_actions;
+    Glib::RefPtr<Gtk::Builder> _display_popup;
+
+    // To be replaced by stateful Gio::Actions
+    bool _show_scrollbars = true;
+    bool _show_rulers = true;
+
+    // Hopefully temp
+    SPDesktopWidget *_dtw;
+    SPDocument *_document = nullptr;
+
+    // Store allocation so we don't redraw too often.
+    Gtk::Allocation _allocation;
+
+    // Connections for page and selection tracking
+    sigc::connection _page_selected_connection;
+    sigc::connection _page_modified_connection;
+    sigc::connection _sel_changed_connection;
+    sigc::connection _sel_modified_connection;
+};
+
+} // namespace Widget
+} // namespace UI
+} // namespace Inkscape
+
+#endif // INKSCAPE_UI_WIDGET_CANVASGRID_H
+
+/*
+  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 :