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Diffstat (limited to 'src/ui/dialog/dialog-manager.cpp')
| -rw-r--r-- | src/ui/dialog/dialog-manager.cpp | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/src/ui/dialog/dialog-manager.cpp b/src/ui/dialog/dialog-manager.cpp new file mode 100644 index 000000000..80fae2c92 --- /dev/null +++ b/src/ui/dialog/dialog-manager.cpp @@ -0,0 +1,191 @@ +/** + * \brief Object for managing a set of dialogs, including their signals and + * construction/caching/destruction of them. + * + * Author: + * Bryce W. Harrington <bryce@bryceharrington.org> + * Jon Phillips <jon@rejon.org> + * + * Copyright (C) 2004, 2005 Authors + * + * Released under GNU GPL. Read the file 'COPYING' for more information. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "ui/dialog/dialog-manager.h" + +#include "ui/dialog/align-and-distribute.h" +#include "ui/dialog/document-metadata.h" +#include "ui/dialog/document-properties.h" +#include "ui/dialog/export.h" +#include "ui/dialog/extension-editor.h" +#include "ui/dialog/fill-and-stroke.h" +#include "ui/dialog/find.h" +#include "ui/dialog/inkscape-preferences.h" +#include "ui/dialog/layer-editor.h" +#include "ui/dialog/memory.h" +#include "ui/dialog/messages.h" +#include "ui/dialog/scriptdialog.h" +#include "ui/dialog/text-properties.h" +#include "ui/dialog/tracedialog.h" +#include "ui/dialog/transformation.h" + +#ifdef WITH_INKBOARD +#include "ui/dialog/whiteboard-sharewithchat.h" +#include "ui/dialog/whiteboard-sharewithuser.h" +#include "ui/dialog/whiteboard-connect.h" +#include "ui/dialog/session-player.h" +#endif + +#include "ui/dialog/xml-editor.h" + +#include "dialogs/tiledialog.h" + +namespace Inkscape { +namespace UI { +namespace Dialog { + +namespace { + +template <typename T> +Dialog *create() { return T::create(); } + +} + +/** + * This class is provided as a container for Inkscape's various + * dialogs. This allows Inkscape::Application to treat the various + * dialogs it invokes, as abstractions. + * + * DialogManager is essentially a cache of dialogs. It lets us + * initialize dialogs lazily - instead of constructing them during + * application startup, they're constructed the first time they're + * actually invoked by Inkscape::Application. The constructed + * dialog is held here after that, so future invokations of the + * dialog don't need to get re-constructed each time. The memory for + * the dialogs are then reclaimed when the DialogManager is destroyed. + * + * In addition, DialogManager also serves as a signal manager for + * dialogs. It provides a set of signals that can be sent to all + * dialogs for doing things such as hiding/unhiding them, etc. + * DialogManager ensures that every dialog it handles will listen + * to these signals. + * + */ +DialogManager::DialogManager() { + registerFactory("AlignAndDistribute", &create<AlignAndDistribute>); + registerFactory("DocumentMetadata", &create<DocumentMetadata>); + registerFactory("DocumentProperties", &create<DocumentProperties>); + registerFactory("Export", &create<Export>); + registerFactory("ExtensionEditor", &create<ExtensionEditor>); + registerFactory("FillAndStroke", &create<FillAndStroke>); + registerFactory("Find", &create<Find>); + registerFactory("InkscapePreferences", &create<InkscapePreferences>); + registerFactory("LayerEditor", &create<LayerEditor>); + registerFactory("Memory", &create<Memory>); + registerFactory("Messages", &create<Messages>); + registerFactory("Script", &create<ScriptDialog>); + registerFactory("TextProperties", &create<TextProperties>); + registerFactory("TileDialog", &create<TileDialog>); + registerFactory("Trace", &create<TraceDialog>); + registerFactory("Transformation", &create<Transformation>); +#ifdef WITH_INKBOARD + registerFactory("SessionPlayer", &create<SessionPlaybackDialog>); + registerFactory("WhiteboardConnect", &create<WhiteboardConnectDialog>); + registerFactory("WhiteboardShareWithUser", &create<WhiteboardShareWithUserDialog>); + registerFactory("WhiteboardShareWithChat", &create<WhiteboardShareWithChatroomDialog>); +#endif + registerFactory("XmlEditor", &create<XmlEditor>); +} + +DialogManager::~DialogManager() { + // TODO: Disconnect the signals + // TODO: Do we need to explicitly delete the dialogs? + // Appears to cause a segfault if we do +} + +/** + * Registers a dialog factory function used to create the named dialog. + */ +void DialogManager::registerFactory(gchar const *name, + DialogManager::DialogFactory factory) +{ + registerFactory(g_quark_from_string(name), factory); +} + +/** + * Registers a dialog factory function used to create the named dialog. + */ +void DialogManager::registerFactory(GQuark name, + DialogManager::DialogFactory factory) +{ + _factory_map[name] = factory; +} + +/** + * Fetches the named dialog, creating it if it has not already been + * created (assuming a factory has been registered for it). + */ +Dialog *DialogManager::getDialog(gchar const *name) { + return getDialog(g_quark_from_string(name)); +} + +/** + * Fetches the named dialog, creating it if it has not already been + * created (assuming a factory has been registered for it). + */ +Dialog *DialogManager::getDialog(GQuark name) { + DialogMap::iterator dialog_found; + dialog_found = _dialog_map.find(name); + + Dialog *dialog=NULL; + if ( dialog_found != _dialog_map.end() ) { + dialog = dialog_found->second; + } else { + FactoryMap::iterator factory_found; + factory_found = _factory_map.find(name); + + if ( factory_found != _factory_map.end() ) { + dialog = factory_found->second(); + _dialog_map[name] = dialog; + } + } + + return dialog; +} + +/** + * Shows the named dialog, creating it if necessary. + */ +void DialogManager::showDialog(gchar const *name) { + showDialog(g_quark_from_string(name)); +} + +/** + * Shows the named dialog, creating it if necessary. + */ +void DialogManager::showDialog(GQuark name) { + Dialog *dialog=getDialog(name); + if (dialog) { + dialog->present(); + dialog->read_geometry(); + } +} + +} // 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:encoding=utf-8:textwidth=99 : |