src/ui/dialog/dialog-manager.cpp

   1 /** @file
   2  * @brief Object for managing a set of dialogs, including their signals and
   3  *        construction/caching/destruction of them.
   4  */
   5 /* Authors:
   6  *   Bryce W. Harrington <bryce@bryceharrington.org>
   7  *   Jon Phillips <jon@rejon.org>
   8  *   Gustav Broberg <broberg@kth.se>
   9  *
  10  * Copyright (C) 2004-2007 Authors
  11  *
  12  * Released under GNU GPL.  Read the file 'COPYING' for more information.
  13  */
  14
  15 #ifdef HAVE_CONFIG_H
  16 # include <config.h>
  17 #endif
  18
  19 #include "ui/dialog/dialog-manager.h"
  20
  21 #include "ui/dialog/align-and-distribute.h"
  22 #include "ui/dialog/document-metadata.h"
  23 #include "ui/dialog/document-properties.h"
  24 #include "ui/dialog/extension-editor.h"
  25 #include "ui/dialog/fill-and-stroke.h"
  26 #include "ui/dialog/filter-effects-dialog.h"
  27 #include "ui/dialog/find.h"
  28 #include "ui/dialog/inkscape-preferences.h"
  29 #include "ui/dialog/input.h"
  30 #include "ui/dialog/livepatheffect-editor.h"
  31 #include "ui/dialog/memory.h"
  32 #include "ui/dialog/messages.h"
  33 #include "ui/dialog/scriptdialog.h"
  34 #include "ui/dialog/tile.h"
  35 #include "ui/dialog/tracedialog.h"
  36 #include "ui/dialog/transformation.h"
  37 #include "ui/dialog/undo-history.h"
  38 #include "ui/dialog/panel-dialog.h"
  39 #include "ui/dialog/layers.h"
  40 #include "ui/dialog/icon-preview.h"
  41 #include "ui/dialog/floating-behavior.h"
  42 #include "ui/dialog/dock-behavior.h"
  43 #include "preferences.h"
  44
  45 #ifdef ENABLE_SVG_FONTS
  46 #include "ui/dialog/svg-fonts-dialog.h"
  47 #endif // ENABLE_SVG_FONTS
  48
  49 namespace Inkscape {
  50 namespace UI {
  51 namespace Dialog {
  52
  53 namespace {
  54
  55 using namespace Behavior;
  56
  57 template <typename T, typename B>
  58 inline Dialog *create() { return PanelDialog<B>::template create<T>(); }
  59
  60 }
  61
  62 /**
  63  *  This class is provided as a container for Inkscape's various
  64  *  dialogs.  This allows Inkscape::Application to treat the various
  65  *  dialogs it invokes, as abstractions.
  66  *
  67  *  DialogManager is essentially a cache of dialogs.  It lets us
  68  *  initialize dialogs lazily - instead of constructing them during
  69  *  application startup, they're constructed the first time they're
  70  *  actually invoked by Inkscape::Application.  The constructed
  71  *  dialog is held here after that, so future invokations of the
  72  *  dialog don't need to get re-constructed each time.  The memory for
  73  *  the dialogs are then reclaimed when the DialogManager is destroyed.
  74  *
  75  *  In addition, DialogManager also serves as a signal manager for
  76  *  dialogs.  It provides a set of signals that can be sent to all
  77  *  dialogs for doing things such as hiding/unhiding them, etc.
  78  *  DialogManager ensures that every dialog it handles will listen
  79  *  to these signals.
  80  *
  81  */
  82 DialogManager::DialogManager() {
  83
  84     using namespace Behavior;
  85     using namespace Inkscape::UI::Dialogs; // temporary
  86
  87     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
  88     int dialogs_type = prefs->getIntLimited("/options/dialogtype/value", DOCK, 0, 1);
  89
  90     if (dialogs_type == FLOATING) {
  91
  92         registerFactory("AlignAndDistribute",  &create<AlignAndDistribute,   FloatingBehavior>);
  93         registerFactory("DocumentMetadata",    &create<DocumentMetadata,     FloatingBehavior>);
  94         registerFactory("DocumentProperties",  &create<DocumentProperties,   FloatingBehavior>);
  95         registerFactory("ExtensionEditor",     &create<ExtensionEditor,      FloatingBehavior>);
  96         registerFactory("FillAndStroke",       &create<FillAndStroke,        FloatingBehavior>);
  97         registerFactory("FilterEffectsDialog", &create<FilterEffectsDialog,  FloatingBehavior>);
  98         registerFactory("Find",                &create<Find,                 FloatingBehavior>);
  99         registerFactory("IconPreviewPanel",    &create<IconPreviewPanel,     FloatingBehavior>);
 100         registerFactory("InkscapePreferences", &create<InkscapePreferences,  FloatingBehavior>);
 101         registerFactory("LayersPanel",         &create<LayersPanel,          FloatingBehavior>);
 102         registerFactory("LivePathEffect",      &create<LivePathEffectEditor, FloatingBehavior>);
 103         registerFactory("Memory",              &create<Memory,               FloatingBehavior>);
 104         registerFactory("Messages",            &create<Messages,             FloatingBehavior>);
 105         registerFactory("Script",              &create<ScriptDialog,         FloatingBehavior>);
 106 #ifdef ENABLE_SVG_FONTS
 107         registerFactory("SvgFontsDialog",      &create<SvgFontsDialog,       FloatingBehavior>);
 108 #endif
 109         registerFactory("Swatches",            &create<SwatchesPanel,        FloatingBehavior>);
 110         registerFactory("TileDialog",          &create<TileDialog,           FloatingBehavior>);
 111         registerFactory("Trace",               &create<TraceDialog,          FloatingBehavior>);
 112         registerFactory("Transformation",      &create<Transformation,       FloatingBehavior>);
 113         registerFactory("UndoHistory",         &create<UndoHistory,          FloatingBehavior>);
 114         registerFactory("InputDevices",        &create<InputDialog,           FloatingBehavior>);
 115
 116     } else {
 117
 118         registerFactory("AlignAndDistribute",  &create<AlignAndDistribute,   DockBehavior>);
 119         registerFactory("DocumentMetadata",    &create<DocumentMetadata,     DockBehavior>);
 120         registerFactory("DocumentProperties",  &create<DocumentProperties,   DockBehavior>);
 121         registerFactory("ExtensionEditor",     &create<ExtensionEditor,      DockBehavior>);
 122         registerFactory("FillAndStroke",       &create<FillAndStroke,        DockBehavior>);
 123         registerFactory("FilterEffectsDialog", &create<FilterEffectsDialog,  DockBehavior>);
 124         registerFactory("Find",                &create<Find,                 DockBehavior>);
 125         registerFactory("IconPreviewPanel",    &create<IconPreviewPanel,     DockBehavior>);
 126         registerFactory("InkscapePreferences", &create<InkscapePreferences,  DockBehavior>);
 127         registerFactory("LayersPanel",         &create<LayersPanel,          DockBehavior>);
 128         registerFactory("LivePathEffect",      &create<LivePathEffectEditor, DockBehavior>);
 129         registerFactory("Memory",              &create<Memory,               DockBehavior>);
 130         registerFactory("Messages",            &create<Messages,             DockBehavior>);
 131         registerFactory("Script",              &create<ScriptDialog,         DockBehavior>);
 132 #ifdef ENABLE_SVG_FONTS
 133         registerFactory("SvgFontsDialog",      &create<SvgFontsDialog,       DockBehavior>);
 134 #endif
 135         registerFactory("Swatches",            &create<SwatchesPanel,        DockBehavior>);
 136         registerFactory("TileDialog",          &create<TileDialog,           DockBehavior>);
 137         registerFactory("Trace",               &create<TraceDialog,          DockBehavior>);
 138         registerFactory("Transformation",      &create<Transformation,       DockBehavior>);
 139         registerFactory("UndoHistory",         &create<UndoHistory,          DockBehavior>);
 140         registerFactory("InputDevices",        &create<InputDialog,          DockBehavior>);
 141
 142     }
 143 }
 144
 145 DialogManager::~DialogManager() {
 146     // TODO:  Disconnect the signals
 147     // TODO:  Do we need to explicitly delete the dialogs?
 148     //        Appears to cause a segfault if we do
 149 }
 150
 151
 152 DialogManager &DialogManager::getInstance()
 153 {
 154     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 155     int dialogs_type = prefs->getIntLimited("/options/dialogtype/value", DOCK, 0, 1);
 156
 157     /* Use singleton behavior for floating dialogs */
 158     if (dialogs_type == FLOATING) {
 159         static DialogManager *instance = 0;
 160
 161         if (!instance)
 162             instance = new DialogManager();
 163         return *instance;
 164     }
 165
 166     return *new DialogManager();
 167 }
 168
 169 /**
 170  * Registers a dialog factory function used to create the named dialog.
 171  */
 172 void DialogManager::registerFactory(gchar const *name,
 173                                     DialogManager::DialogFactory factory)
 174 {
 175     registerFactory(g_quark_from_string(name), factory);
 176 }
 177
 178 /**
 179  * Registers a dialog factory function used to create the named dialog.
 180  */
 181 void DialogManager::registerFactory(GQuark name,
 182                                     DialogManager::DialogFactory factory)
 183 {
 184     _factory_map[name] = factory;
 185 }
 186
 187 /**
 188  * Fetches the named dialog, creating it if it has not already been
 189  * created (assuming a factory has been registered for it).
 190  */
 191 Dialog *DialogManager::getDialog(gchar const *name) {
 192     return getDialog(g_quark_from_string(name));
 193 }
 194
 195 /**
 196  * Fetches the named dialog, creating it if it has not already been
 197  * created (assuming a factory has been registered for it).
 198  */
 199 Dialog *DialogManager::getDialog(GQuark name) {
 200     DialogMap::iterator dialog_found;
 201     dialog_found = _dialog_map.find(name);
 202
 203     Dialog *dialog=NULL;
 204     if ( dialog_found != _dialog_map.end() ) {
 205         dialog = dialog_found->second;
 206     } else {
 207         FactoryMap::iterator factory_found;
 208         factory_found = _factory_map.find(name);
 209
 210         if ( factory_found != _factory_map.end() ) {
 211             dialog = factory_found->second();
 212             _dialog_map[name] = dialog;
 213         }
 214     }
 215
 216     return dialog;
 217 }
 218
 219 /**
 220  * Shows the named dialog, creating it if necessary.
 221  */
 222 void DialogManager::showDialog(gchar const *name) {
 223     showDialog(g_quark_from_string(name));
 224 }
 225
 226 /**
 227  * Shows the named dialog, creating it if necessary.
 228  */
 229 void DialogManager::showDialog(GQuark name) {
 230     Dialog *dialog=getDialog(name);
 231     if (dialog) {
 232         dialog->present();
 233     }
 234 }
 235
 236 } // namespace Dialog
 237 } // namespace UI
 238 } // namespace Inkscape
 239
 240 /*
 241   Local Variables:
 242   mode:c++
 243   c-file-style:"stroustrup"
 244   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 245   indent-tabs-mode:nil
 246   fill-column:99
 247   End:
 248 */
 249 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :