1 files changed, 97 insertions, 0 deletions
diff --git a/src/ui/dialog/dialog-manager.h b/src/ui/dialog/dialog-manager.h
new file mode 100644
index 0000000..fc4cd9b
--- /dev/null
+++ b/src/ui/dialog/dialog-manager.h
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#ifndef INKSCAPE_UI_DIALOG_MANAGER_H
+#define INKSCAPE_UI_DIALOG_MANAGER_H
+
+#include <glibmm/keyfile.h>
+#include <gtkmm/window.h>
+#include <map>
+#include <set>
+#include <memory>
+#include <optional>
+#include <vector>
+
+namespace Inkscape {
+namespace UI {
+namespace Dialog {
+
+class DialogWindow;
+class DialogBase;
+class DialogContainer;
+
+struct window_position_t
+{
+    int x, y, width, height;
+};
+
+// try to read window's geometry
+std::optional<window_position_t> dm_get_window_position(Gtk::Window &window);
+
+// restore window's geometry
+void dm_restore_window_position(Gtk::Window &window, const window_position_t &position);
+
+class DialogManager
+{
+public:
+    static DialogManager &singleton();
+
+    // store complete dialog window state (including its container state)
+    void store_state(DialogWindow &wnd);
+
+    // return true if dialog 'type' should be opened as floating
+    bool should_open_floating(const Glib::ustring& dialog_type);
+
+    // find instance of dialog 'type' in one of currently open floating dialog windows
+    DialogBase *find_floating_dialog(const Glib::ustring& dialog_type);
+
+    // find window hosting floating dialog
+    DialogWindow* find_floating_dialog_window(const Glib::ustring& dialog_type);
+
+    // find floating window state hosting dialog 'code', if there was one
+    std::shared_ptr<Glib::KeyFile> find_dialog_state(const Glib::ustring& dialog_type);
+
+    // remove dialog floating state
+    void remove_dialog_floating_state(const Glib::ustring& dialog_type);
+
+    // save configuration of docked and floating dialogs
+    void save_dialogs_state(DialogContainer *docking_container);
+
+    // restore state of dialogs
+    void restore_dialogs_state(DialogContainer *docking_container, bool include_floating);
+
+    // find all floating dialog windows
+    std::vector<DialogWindow*> get_all_floating_dialog_windows();
+
+    // show/hide dialog window and keep track of it
+    void set_floating_dialog_visibility(DialogWindow* wnd, bool show);
+
+private:
+    DialogManager() = default;
+    ~DialogManager() = default;
+
+    std::vector<Glib::ustring> count_dialogs(const Glib::KeyFile *state) const;
+    void load_transient_state(Glib::KeyFile *keyfile);
+    void dialog_defaults();
+
+    // transient dialog state for floating windows user closes
+    std::map<std::string, std::shared_ptr<Glib::KeyFile>> _floating_dialogs;
+    // temp set used when dialogs are hidden (F12 toggle)
+    std::set<DialogWindow*> _hidden_dlg_windows;
+};
+
+} // namespace Dialog
+} // namespace UI
+} // namespace Inkscape
+
+#endif
+
+/*
+  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 :