svx/source/tbxctrls/tbunocontroller.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <com/sun/star/frame/XFrame.hpp>
  21 #include <com/sun/star/frame/status/FontHeight.hpp>
  22 #include <com/sun/star/frame/XDispatchProvider.hpp>
  23 #include <com/sun/star/beans/PropertyValue.hpp>
  24 #include <com/sun/star/lang/XServiceInfo.hpp>
  25 #include <com/sun/star/util/XURLTransformer.hpp>
  26
  27 #include <comphelper/propertyvalue.hxx>
  28 #include <rtl/math.hxx>
  29 #include <utility>
  30 #include <vcl/event.hxx>
  31 #include <vcl/svapp.hxx>
  32 #include <vcl/weldutils.hxx>
  33 #include <vcl/window.hxx>
  34 #include <vcl/settings.hxx>
  35 #include <toolkit/helper/vclunohelper.hxx>
  36 #include <svtools/ctrltool.hxx>
  37 #include <svtools/ctrlbox.hxx>
  38 #include <svtools/toolboxcontroller.hxx>
  39 #include <tools/json_writer.hxx>
  40 #include <vcl/toolbox.hxx>
  41 #include <cppuhelper/queryinterface.hxx>
  42 #include <cppuhelper/supportsservice.hxx>
  43
  44 #include <memory>
  45
  46 #include <vcl/InterimItemWindow.hxx>
  47
  48 using namespace ::com::sun::star;
  49
  50 namespace {
  51
  52 class SvxFontSizeBox_Base;
  53 class SvxFontSizeBox_Impl;
  54
  55 typedef cppu::ImplInheritanceHelper< ::svt::ToolboxController, lang::XServiceInfo> FontHeightToolBoxControl_Base;
  56 class FontHeightToolBoxControl : public FontHeightToolBoxControl_Base
  57 {
  58     public:
  59         explicit FontHeightToolBoxControl(
  60             const css::uno::Reference< css::uno::XComponentContext >& rServiceManager );
  61
  62         // XServiceInfo
  63         virtual OUString SAL_CALL getImplementationName() override;
  64         virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
  65         virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
  66
  67         // XComponent
  68         virtual void SAL_CALL dispose() override;
  69
  70         // XStatusListener
  71         virtual void SAL_CALL statusChanged( const css::frame::FeatureStateEvent& Event ) override;
  72
  73         // XToolbarController
  74         virtual void SAL_CALL execute( sal_Int16 KeyModifier ) override;
  75         virtual void SAL_CALL click() override;
  76         virtual void SAL_CALL doubleClick() override;
  77         virtual css::uno::Reference< css::awt::XWindow > SAL_CALL createPopupWindow() override;
  78         virtual css::uno::Reference< css::awt::XWindow > SAL_CALL createItemWindow( const css::uno::Reference< css::awt::XWindow >& Parent ) override;
  79
  80         void dispatchCommand( const css::uno::Sequence< css::beans::PropertyValue >& rArgs );
  81         using svt::ToolboxController::dispatchCommand;
  82
  83     private:
  84         VclPtr<SvxFontSizeBox_Impl> m_xVclBox;
  85         std::unique_ptr<SvxFontSizeBox_Base> m_xWeldBox;
  86         SvxFontSizeBox_Base* m_pBox;
  87 };
  88
  89 class SvxFontSizeBox_Base
  90 {
  91 public:
  92     SvxFontSizeBox_Base(std::unique_ptr<weld::ComboBox> xWidget,
  93                         uno::Reference< frame::XFrame > _xFrame,
  94                         FontHeightToolBoxControl& rCtrl);
  95
  96     virtual ~SvxFontSizeBox_Base()
  97     {
  98     }
  99
 100     virtual void set_sensitive(bool bSensitive)
 101     {
 102         m_xWidget->set_sensitive(bSensitive);
 103     }
 104
 105     void statusChanged_Impl(tools::Long nHeight, bool bErase);
 106     void UpdateFont();
 107
 108 protected:
 109     FontHeightToolBoxControl& m_rCtrl;
 110     OUString m_aCurText;
 111     bool m_bRelease;
 112     uno::Reference<frame::XFrame> m_xFrame;
 113     std::unique_ptr<FontSizeBox> m_xWidget;
 114
 115     void                ReleaseFocus_Impl();
 116     void                Select();
 117
 118     virtual bool DoKeyInput(const KeyEvent& rKEvt);
 119
 120     DECL_LINK(SelectHdl, weld::ComboBox&, void);
 121     DECL_LINK(KeyInputHdl, const KeyEvent&, bool);
 122     DECL_LINK(ActivateHdl, weld::ComboBox&, bool);
 123     DECL_LINK(FocusOutHdl, weld::Widget&, void);
 124     DECL_LINK(DumpAsPropertyTreeHdl, tools::JsonWriter&, void);
 125 };
 126
 127 class SvxFontSizeBox_Impl final : public InterimItemWindow
 128                                 , public SvxFontSizeBox_Base
 129 {
 130 public:
 131     SvxFontSizeBox_Impl(vcl::Window* pParent,
 132                         const uno::Reference< frame::XFrame >& _xFrame,
 133                         FontHeightToolBoxControl& rCtrl);
 134
 135     virtual void dispose() override
 136     {
 137         m_xWidget.reset();
 138         InterimItemWindow::dispose();
 139     }
 140
 141     virtual void GetFocus() override
 142     {
 143         if (m_xWidget)
 144             m_xWidget->grab_focus();
 145         InterimItemWindow::GetFocus();
 146     }
 147
 148     virtual ~SvxFontSizeBox_Impl() override
 149     {
 150         disposeOnce();
 151     }
 152
 153     void SetOptimalSize();
 154
 155     virtual void DataChanged(const DataChangedEvent& rDCEvt) override;
 156
 157     virtual void set_sensitive(bool bSensitive) override
 158     {
 159         m_xWidget->set_sensitive(bSensitive);
 160         if (bSensitive)
 161             InterimItemWindow::Enable();
 162         else
 163             InterimItemWindow::Disable();
 164     }
 165
 166 private:
 167     virtual bool DoKeyInput(const KeyEvent& rKEvt) override;
 168 };
 169
 170 SvxFontSizeBox_Base::SvxFontSizeBox_Base(std::unique_ptr<weld::ComboBox> xWidget,
 171                                          uno::Reference<frame::XFrame> xFrame,
 172                                          FontHeightToolBoxControl& rCtrl)
 173     : m_rCtrl(rCtrl)
 174     , m_bRelease(true)
 175     , m_xFrame(std::move(xFrame))
 176     , m_xWidget(new FontSizeBox(std::move(xWidget)))
 177 {
 178     m_xWidget->set_value(0);
 179     m_xWidget->set_active_or_entry_text("");
 180     m_xWidget->disable_entry_completion();
 181
 182     m_xWidget->connect_changed(LINK(this, SvxFontSizeBox_Base, SelectHdl));
 183     m_xWidget->connect_key_press(LINK(this, SvxFontSizeBox_Base, KeyInputHdl));
 184     m_xWidget->connect_entry_activate(LINK(this, SvxFontSizeBox_Base, ActivateHdl));
 185     m_xWidget->connect_focus_out(LINK(this, SvxFontSizeBox_Base, FocusOutHdl));
 186     m_xWidget->connect_get_property_tree(LINK(this, SvxFontSizeBox_Base, DumpAsPropertyTreeHdl));
 187 }
 188
 189 void SvxFontSizeBox_Base::ReleaseFocus_Impl()
 190 {
 191     if ( !m_bRelease )
 192     {
 193         m_bRelease = true;
 194         return;
 195     }
 196
 197     if ( m_xFrame.is() && m_xFrame->getContainerWindow().is() )
 198         m_xFrame->getContainerWindow()->setFocus();
 199 }
 200
 201 IMPL_LINK(SvxFontSizeBox_Base, SelectHdl, weld::ComboBox&, rCombo, void)
 202 {
 203     if (rCombo.changed_by_direct_pick()) // only when picked from the list
 204         Select();
 205 }
 206
 207 IMPL_LINK_NOARG(SvxFontSizeBox_Base, ActivateHdl, weld::ComboBox&, bool)
 208 {
 209     Select();
 210     return true;
 211 }
 212
 213 void SvxFontSizeBox_Base::Select()
 214 {
 215     sal_Int64 nSelVal = m_xWidget->get_value();
 216     float fSelVal     = float( nSelVal ) / 10;
 217
 218     uno::Sequence< beans::PropertyValue > aArgs{ comphelper::makePropertyValue("FontHeight.Height",
 219                                                                                fSelVal) };
 220
 221     /*  #i33380# DR 2004-09-03 Moved the following line above the Dispatch() call.
 222         This instance may be deleted in the meantime (i.e. when a dialog is opened
 223         while in Dispatch()), accessing members will crash in this case. */
 224     ReleaseFocus_Impl();
 225
 226     m_rCtrl.dispatchCommand( aArgs );
 227 }
 228
 229 void SvxFontSizeBox_Base::statusChanged_Impl( tools::Long nPoint, bool bErase )
 230 {
 231     if ( !bErase )
 232     {
 233         // convert the metric
 234         tools::Long nVal = nPoint;
 235
 236         // changed => set new value
 237         if (m_xWidget->get_value() != nVal)
 238             m_xWidget->set_value(nVal);
 239     }
 240     else
 241     {
 242         // delete value in the display
 243         m_xWidget->set_value(-1L);
 244         m_xWidget->set_active_or_entry_text("");
 245     }
 246     m_aCurText = m_xWidget->get_active_text();
 247 }
 248
 249 void SvxFontSizeBox_Base::UpdateFont()
 250 {
 251     // filling up the sizes list
 252     auto nOldVal = m_xWidget->get_value(); // memorize old value
 253     FontList aFontList(Application::GetDefaultDevice());
 254
 255     m_xWidget->Fill(&aFontList);
 256
 257     m_xWidget->set_value(nOldVal); // restore old value
 258     m_aCurText = m_xWidget->get_active_text(); // memorize to reset at ESC
 259 }
 260
 261 IMPL_LINK(SvxFontSizeBox_Base, KeyInputHdl, const KeyEvent&, rKEvt, bool)
 262 {
 263     return DoKeyInput(rKEvt);
 264 }
 265
 266 bool SvxFontSizeBox_Base::DoKeyInput(const KeyEvent& rKEvt)
 267 {
 268     bool bHandled = false;
 269
 270     sal_uInt16 nCode = rKEvt.GetKeyCode().GetCode();
 271
 272     switch (nCode)
 273     {
 274         case KEY_TAB:
 275             m_bRelease = false;
 276             Select();
 277             break;
 278
 279         case KEY_ESCAPE:
 280             m_xWidget->set_active_or_entry_text(m_aCurText);
 281             if (!m_rCtrl.IsInSidebar())
 282             {
 283                 ReleaseFocus_Impl();
 284                 bHandled = true;
 285             }
 286             break;
 287     }
 288
 289     return bHandled;
 290 }
 291
 292 bool SvxFontSizeBox_Impl::DoKeyInput(const KeyEvent& rKEvt)
 293 {
 294     return SvxFontSizeBox_Base::DoKeyInput(rKEvt) || ChildKeyInput(rKEvt);
 295 }
 296
 297 IMPL_LINK_NOARG(SvxFontSizeBox_Base, FocusOutHdl, weld::Widget&, void)
 298 {
 299     if (!m_xWidget->has_focus()) // a combobox can be comprised of different subwidget so double-check if none of those has focus
 300         m_xWidget->set_active_or_entry_text(m_aCurText);
 301 }
 302
 303 void SvxFontSizeBox_Impl::SetOptimalSize()
 304 {
 305     SetSizePixel(get_preferred_size());
 306 }
 307
 308 SvxFontSizeBox_Impl::SvxFontSizeBox_Impl(vcl::Window* pParent,
 309                                          const uno::Reference<frame::XFrame>& rFrame,
 310                                          FontHeightToolBoxControl& rCtrl)
 311     : InterimItemWindow(pParent, "svx/ui/fontsizebox.ui", "FontSizeBox")
 312     , SvxFontSizeBox_Base(m_xBuilder->weld_combo_box("fontsizecombobox"), rFrame, rCtrl)
 313 {
 314 }
 315
 316 void SvxFontSizeBox_Impl::DataChanged( const DataChangedEvent& rDCEvt )
 317 {
 318     if ( (rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
 319          (rDCEvt.GetFlags() & AllSettingsFlags::STYLE) )
 320     {
 321         SetOptimalSize();
 322     }
 323 }
 324
 325 IMPL_LINK(SvxFontSizeBox_Base, DumpAsPropertyTreeHdl, tools::JsonWriter&, rJsonWriter, void)
 326 {
 327     {
 328         auto entriesNode = rJsonWriter.startNode("entries");
 329         for (int i = 0, nCount = m_xWidget->get_count(); i < nCount; ++i)
 330         {
 331             auto entryNode = rJsonWriter.startNode("");
 332             rJsonWriter.put("", m_xWidget->get_text(i));
 333         }
 334     }
 335
 336     int nActive = m_xWidget->get_active();
 337     rJsonWriter.put("selectedCount", static_cast<sal_Int32>(nActive == -1 ? 0 : 1));
 338     {
 339         auto selectedNode = rJsonWriter.startNode("selectedEntries");
 340         if (nActive != -1)
 341         {
 342             auto node = rJsonWriter.startNode("");
 343             rJsonWriter.put("", static_cast<sal_Int32>(nActive));
 344         }
 345     }
 346
 347     rJsonWriter.put("command", ".uno:FontHeight");
 348 }
 349
 350 FontHeightToolBoxControl::FontHeightToolBoxControl( const uno::Reference< uno::XComponentContext >& rxContext )
 351  : FontHeightToolBoxControl_Base( rxContext,
 352                            uno::Reference< frame::XFrame >(),
 353                            ".uno:FontHeight" ),
 354    m_pBox( nullptr )
 355 {
 356     addStatusListener( ".uno:CharFontName");
 357 }
 358
 359 // XServiceInfo
 360 sal_Bool SAL_CALL FontHeightToolBoxControl::supportsService( const OUString& ServiceName )
 361 {
 362     return cppu::supportsService(this, ServiceName);
 363 }
 364
 365 OUString SAL_CALL FontHeightToolBoxControl::getImplementationName()
 366 {
 367     return "com.sun.star.svx.FontHeightToolBoxController";
 368 }
 369
 370 uno::Sequence< OUString > SAL_CALL FontHeightToolBoxControl::getSupportedServiceNames(  )
 371 {
 372     return { "com.sun.star.frame.ToolbarController" };
 373 }
 374
 375 // XComponent
 376 void SAL_CALL FontHeightToolBoxControl::dispose()
 377 {
 378     svt::ToolboxController::dispose();
 379
 380     SolarMutexGuard aSolarMutexGuard;
 381     m_xVclBox.disposeAndClear();
 382     m_xWeldBox.reset();
 383     m_pBox = nullptr;
 384 }
 385
 386 // XStatusListener
 387 void SAL_CALL FontHeightToolBoxControl::statusChanged(
 388     const frame::FeatureStateEvent& rEvent )
 389 {
 390     if ( !m_pBox )
 391         return;
 392
 393     SolarMutexGuard aSolarMutexGuard;
 394     if (rEvent.FeatureURL.Path == "FontHeight")
 395     {
 396         if ( rEvent.IsEnabled )
 397         {
 398             m_pBox->set_sensitive(true);
 399             frame::status::FontHeight aFontHeight;
 400             if ( rEvent.State >>= aFontHeight )
 401             {
 402                 // tdf#83090 - correctly round the height of the font
 403                 aFontHeight.Height = rtl::math::round(10. * aFontHeight.Height);
 404                 m_pBox->statusChanged_Impl(tools::Long(aFontHeight.Height), false);
 405             }
 406             else
 407                 m_pBox->statusChanged_Impl( tools::Long( -1 ), true );
 408         }
 409         else
 410         {
 411             m_pBox->set_sensitive(false);
 412             m_pBox->statusChanged_Impl( tools::Long( -1 ), true );
 413         }
 414
 415         if (m_pToolbar)
 416             m_pToolbar->set_item_sensitive(m_aCommandURL, rEvent.IsEnabled);
 417         else
 418         {
 419             ToolBox* pToolBox = nullptr;
 420             ToolBoxItemId nId;
 421             if (getToolboxId(nId, &pToolBox))
 422                 pToolBox->EnableItem(nId, rEvent.IsEnabled);
 423         }
 424     }
 425     else if ( rEvent.FeatureURL.Path == "CharFontName" )
 426     {
 427         m_pBox->UpdateFont();
 428     }
 429 }
 430
 431 // XToolbarController
 432 void SAL_CALL FontHeightToolBoxControl::execute( sal_Int16 /*KeyModifier*/ )
 433 {
 434 }
 435
 436 void SAL_CALL FontHeightToolBoxControl::click()
 437 {
 438 }
 439
 440 void SAL_CALL FontHeightToolBoxControl::doubleClick()
 441 {
 442 }
 443
 444 uno::Reference< awt::XWindow > SAL_CALL FontHeightToolBoxControl::createPopupWindow()
 445 {
 446     return uno::Reference< awt::XWindow >();
 447 }
 448
 449 uno::Reference< awt::XWindow > SAL_CALL FontHeightToolBoxControl::createItemWindow(
 450     const uno::Reference< awt::XWindow >& xParent )
 451 {
 452     uno::Reference< awt::XWindow > xItemWindow;
 453
 454     if (m_pBuilder)
 455     {
 456         SolarMutexGuard aSolarMutexGuard;
 457
 458         std::unique_ptr<weld::ComboBox> xWidget(m_pBuilder->weld_combo_box("fontsizecombobox"));
 459
 460         xItemWindow = css::uno::Reference<css::awt::XWindow>(new weld::TransportAsXWindow(xWidget.get()));
 461
 462         m_xWeldBox.reset(new SvxFontSizeBox_Base(std::move(xWidget), m_xFrame, *this));
 463         m_pBox = m_xWeldBox.get();
 464         //Get the box to fill itself with all its sizes
 465         m_pBox->UpdateFont();
 466     }
 467     else
 468     {
 469         VclPtr<vcl::Window> pParent = VCLUnoHelper::GetWindow( xParent );
 470         if ( pParent )
 471         {
 472             SolarMutexGuard aSolarMutexGuard;
 473             m_xVclBox = VclPtr<SvxFontSizeBox_Impl>::Create( pParent, m_xFrame, *this );
 474             m_pBox = m_xVclBox.get();
 475             //Get the box to fill itself with all its sizes
 476             m_pBox->UpdateFont();
 477             //Make it size itself to its optimal size re above sizes
 478             m_xVclBox->SetOptimalSize();
 479             xItemWindow = VCLUnoHelper::GetInterface(m_xVclBox);
 480         }
 481     }
 482
 483     return xItemWindow;
 484 }
 485
 486 void FontHeightToolBoxControl::dispatchCommand(
 487     const uno::Sequence< beans::PropertyValue >& rArgs )
 488 {
 489     uno::Reference< frame::XDispatchProvider > xDispatchProvider( m_xFrame, uno::UNO_QUERY );
 490     if ( xDispatchProvider.is() )
 491     {
 492         util::URL                               aURL;
 493         uno::Reference< frame::XDispatch >      xDispatch;
 494         uno::Reference< util::XURLTransformer > xURLTransformer = getURLTransformer();
 495
 496         aURL.Complete = ".uno:FontHeight";
 497         xURLTransformer->parseStrict( aURL );
 498         xDispatch = xDispatchProvider->queryDispatch( aURL, OUString(), 0 );
 499         if ( xDispatch.is() )
 500             xDispatch->dispatch( aURL, rArgs );
 501     }
 502 }
 503
 504 }
 505
 506 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
 507 com_sun_star_svx_FontHeightToolBoxController_get_implementation(
 508     css::uno::XComponentContext *rxContext,
 509     css::uno::Sequence<css::uno::Any> const &)
 510 {
 511     return cppu::acquire(new FontHeightToolBoxControl(rxContext));
 512 }
 513
 514 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */