starmath/inc/view.hxx

   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 #pragma once
  21
  22 #include <sal/config.h>
  23 #include <rtl/ref.hxx>
  24 #include <sfx2/docinsert.hxx>
  25 #include <sfx2/dockwin.hxx>
  26 #include <sfx2/viewsh.hxx>
  27 #include <sfx2/ctrlitem.hxx>
  28 #include <sfx2/shell.hxx>
  29 #include <sfx2/viewfrm.hxx>
  30 #include <vcl/InterimItemWindow.hxx>
  31 #include <vcl/timer.hxx>
  32 #include "document.hxx"
  33 #include "edit.hxx"
  34
  35 class SmViewShell;
  36 class SmPrintUIOptions;
  37 class SmGraphicAccessible;
  38 class SmGraphicWidget;
  39 class SmElementsDockingWindow;
  40
  41 namespace svtools { class ColorConfig; }
  42
  43 class SmGraphicWindow final : public InterimItemWindow
  44 {
  45 private:
  46     Point aPixOffset; // offset to virtual window (pixel)
  47     Size aTotPixSz; // total size of virtual window (pixel)
  48     tools::Long nLinePixH; // size of a line/column (pixel)
  49     tools::Long nColumnPixW;
  50     sal_uInt16 nZoom;
  51
  52     std::unique_ptr<weld::ScrolledWindow> mxScrolledWindow;
  53     std::unique_ptr<SmGraphicWidget> mxGraphic;
  54     std::unique_ptr<weld::CustomWeld> mxGraphicWin;
  55
  56     DECL_LINK(ScrollHdl, weld::ScrolledWindow&, void);
  57
  58     void SetGraphicMapMode(const MapMode& rNewMapMode);
  59     MapMode GetGraphicMapMode() const;
  60
  61 public:
  62     explicit SmGraphicWindow(SmViewShell& rShell);
  63     virtual void dispose() override;
  64     virtual ~SmGraphicWindow() override;
  65
  66     void SetTotalSize(const Size& rNewSize);
  67     Size GetTotalSize() const;
  68
  69     void SetZoom(sal_uInt16 Factor);
  70     sal_uInt16 GetZoom() const { return nZoom; }
  71
  72     void ZoomToFitInWindow();
  73
  74     virtual void Resize() override;
  75     void ShowContextMenu(const CommandEvent& rCEvt);
  76
  77     SmGraphicWidget& GetGraphicWidget()
  78     {
  79         return *mxGraphic;
  80     }
  81
  82     const SmGraphicWidget& GetGraphicWidget() const
  83     {
  84         return *mxGraphic;
  85     }
  86 };
  87
  88 class SmGraphicWidget final : public weld::CustomWidgetController
  89 {
  90 public:
  91     bool IsCursorVisible() const
  92     {
  93         return bIsCursorVisible;
  94     }
  95     void ShowCursor(bool bShow);
  96     bool IsLineVisible() const
  97     {
  98         return bIsLineVisible;
  99     }
 100     void ShowLine(bool bShow);
 101     const SmNode * SetCursorPos(sal_uInt16 nRow, sal_uInt16 nCol);
 102
 103     explicit SmGraphicWidget(SmViewShell& rShell, SmGraphicWindow& rGraphicWindow);
 104     virtual ~SmGraphicWidget() override;
 105
 106     // CustomWidgetController
 107     virtual void SetDrawingArea(weld::DrawingArea* pDrawingArea) override;
 108     virtual bool MouseButtonDown(const MouseEvent &rMEvt) override;
 109     virtual bool MouseMove(const MouseEvent &rMEvt) override;
 110     virtual void GetFocus() override;
 111     virtual void LoseFocus() override;
 112
 113     void SetTotalSize();
 114
 115     SmViewShell& GetView()
 116     {
 117         return mrViewShell;
 118     }
 119
 120     const Point& GetFormulaDrawPos() const
 121     {
 122         return aFormulaDrawPos;
 123     }
 124
 125     // for Accessibility
 126     virtual css::uno::Reference<css::accessibility::XAccessible> CreateAccessible() override;
 127
 128     SmGraphicAccessible* GetAccessible_Impl()
 129     {
 130         return mxAccessible.get();
 131     }
 132
 133 private:
 134     void SetIsCursorVisible(bool bVis)
 135     {
 136         bIsCursorVisible = bVis;
 137     }
 138     void SetCursor(const SmNode *pNode);
 139     void SetCursor(const tools::Rectangle &rRect);
 140     static bool IsInlineEditEnabled();
 141
 142     virtual void Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&) override;
 143     virtual bool KeyInput(const KeyEvent& rKEvt) override;
 144     virtual bool Command(const CommandEvent& rCEvt) override;
 145
 146     void RepaintViewShellDoc();
 147     DECL_LINK(CaretBlinkTimerHdl, Timer *, void);
 148     void CaretBlinkInit();
 149     void CaretBlinkStart();
 150     void CaretBlinkStop();
 151
 152     SmGraphicWindow& mrGraphicWindow;
 153
 154     Point aFormulaDrawPos;
 155     // old style editing pieces
 156     tools::Rectangle aCursorRect;
 157     bool bIsCursorVisible;
 158     bool bIsLineVisible;
 159     AutoTimer aCaretBlinkTimer;
 160     rtl::Reference<SmGraphicAccessible> mxAccessible;
 161     SmViewShell& mrViewShell;
 162 };
 163
 164 class SmGraphicController final : public SfxControllerItem
 165 {
 166     SmGraphicWidget &rGraphic;
 167 public:
 168     SmGraphicController(SmGraphicWidget &, sal_uInt16, SfxBindings & );
 169     virtual void StateChanged(sal_uInt16             nSID,
 170                               SfxItemState       eState,
 171                               const SfxPoolItem* pState) override;
 172 };
 173
 174 class SmEditController final : public SfxControllerItem
 175 {
 176     SmEditWindow &rEdit;
 177
 178 public:
 179     SmEditController(SmEditWindow &, sal_uInt16, SfxBindings  & );
 180
 181     virtual void StateChanged(sal_uInt16 nSID, SfxItemState eState, const SfxPoolItem* pState) override;
 182 };
 183
 184 class SmCmdBoxWindow : public SfxDockingWindow
 185 {
 186     std::unique_ptr<SmEditWindow, o3tl::default_delete<SmEditWindow>> m_xEdit;
 187     SmEditController    aController;
 188     bool                bExiting;
 189
 190     Timer               aInitialFocusTimer;
 191
 192     DECL_LINK(InitialFocusTimerHdl, Timer *, void);
 193
 194 protected:
 195
 196     virtual Size CalcDockingSize(SfxChildAlignment eAlign) override;
 197     virtual SfxChildAlignment CheckAlignment(SfxChildAlignment eActual,
 198                                              SfxChildAlignment eWish) override;
 199
 200     virtual void    ToggleFloatingMode() override;
 201
 202 public:
 203     SmCmdBoxWindow(SfxBindings    *pBindings,
 204                    SfxChildWindow *pChildWindow,
 205                    Window         *pParent);
 206
 207     virtual ~SmCmdBoxWindow () override;
 208     virtual void dispose() override;
 209
 210     // Window
 211     virtual void GetFocus() override;
 212     virtual void StateChanged( StateChangedType nStateChange ) override;
 213     virtual void Command(const CommandEvent& rCEvt) override;
 214
 215     Point WidgetToWindowPos(const weld::Widget& rWidget, const Point& rPos);
 216
 217     void ShowContextMenu(const Point& rPos);
 218
 219     void AdjustPosition();
 220
 221     SmEditWindow& GetEditWindow()
 222     {
 223         return *m_xEdit;
 224     }
 225     SmViewShell* GetView();
 226 };
 227
 228 class SmCmdBoxWrapper final : public SfxChildWindow
 229 {
 230     SFX_DECL_CHILDWINDOW_WITHID(SmCmdBoxWrapper);
 231
 232     SmCmdBoxWrapper(vcl::Window* pParentWindow, sal_uInt16 nId, SfxBindings* pBindings, SfxChildWinInfo* pInfo);
 233
 234 public:
 235
 236     SmEditWindow& GetEditWindow()
 237     {
 238         return static_cast<SmCmdBoxWindow *>(GetWindow())->GetEditWindow();
 239     }
 240 };
 241
 242 namespace sfx2 { class FileDialogHelper; }
 243
 244 class SmViewShell: public SfxViewShell
 245 {
 246     std::unique_ptr<sfx2::DocumentInserter> mpDocInserter;
 247     std::unique_ptr<SfxRequest> mpRequest;
 248     VclPtr<SmGraphicWindow> mxGraphicWindow;
 249     SmGraphicController maGraphicController;
 250     OUString maStatusText;
 251     bool mbPasteState;
 252     /** Used to determine whether insertions using SID_INSERTSPECIAL and SID_INSERTCOMMANDTEXT
 253      * should be inserted into SmEditWindow or directly into the SmDocShell as done if the
 254      * visual editor was last to have focus.
 255      */
 256     bool mbInsertIntoEditWindow;
 257
 258     DECL_LINK( DialogClosedHdl, sfx2::FileDialogHelper*, void );
 259     virtual void            Notify( SfxBroadcaster& rBC, const SfxHint& rHint ) override;
 260
 261 protected:
 262
 263     static Size GetTextLineSize(OutputDevice const & rDevice,
 264                          const OUString& rLine);
 265     static Size GetTextSize(OutputDevice const & rDevice,
 266                      const OUString& rText,
 267                      tools::Long          MaxWidth);
 268     static void DrawTextLine(OutputDevice& rDevice,
 269                       const Point&  rPosition,
 270                       const OUString& rLine);
 271     static void DrawText(OutputDevice& rDevice,
 272                   const Point&  rPosition,
 273                   const OUString& rText,
 274                   sal_uInt16        MaxWidth);
 275
 276     virtual SfxPrinter *GetPrinter(bool bCreate = false) override;
 277     virtual sal_uInt16 SetPrinter(SfxPrinter *pNewPrinter,
 278                               SfxPrinterChangeFlags nDiffFlags = SFX_PRINTER_ALL) override;
 279
 280     void Insert( SfxMedium& rMedium );
 281     void InsertFrom(SfxMedium &rMedium);
 282
 283     virtual bool HasPrintOptionsPage() const override;
 284     virtual std::unique_ptr<SfxTabPage> CreatePrintOptionsPage(weld::Container* pPage, weld::DialogController* pController,
 285                                                                const SfxItemSet &rOptions) override;
 286     virtual void Deactivate(bool IsMDIActivate) override;
 287     virtual void Activate(bool IsMDIActivate) override;
 288     virtual void InnerResizePixel(const Point &rOfs, const Size  &rSize, bool inplaceEditModeChange) override;
 289     virtual void OuterResizePixel(const Point &rOfs, const Size  &rSize) override;
 290     virtual void QueryObjAreaPixel( tools::Rectangle& rRect ) const override;
 291     virtual void SetZoomFactor( const Fraction &rX, const Fraction &rY ) override;
 292
 293 public:
 294
 295     SmViewShell(SfxViewFrame *pFrame, SfxViewShell *pOldSh);
 296     virtual ~SmViewShell() override;
 297
 298     SmDocShell * GetDoc()
 299     {
 300         return static_cast<SmDocShell *>( GetViewFrame()->GetObjectShell() );
 301     }
 302
 303     SmEditWindow * GetEditWindow();
 304
 305     SmGraphicWidget& GetGraphicWidget()
 306     {
 307         return mxGraphicWindow->GetGraphicWidget();
 308     }
 309     const SmGraphicWidget& GetGraphicWidget() const
 310     {
 311         return mxGraphicWindow->GetGraphicWidget();
 312     }
 313
 314     SmGraphicWindow& GetGraphicWindow()
 315     {
 316         return *mxGraphicWindow;
 317     }
 318
 319     SmElementsDockingWindow* GetDockingWindow();
 320
 321     void        SetStatusText(const OUString& rText);
 322
 323     void        ShowError( const SmErrorDesc *pErrorDesc );
 324     void        NextError();
 325     void        PrevError();
 326
 327     SFX_DECL_INTERFACE(SFX_INTERFACE_SMA_START+SfxInterfaceId(2))
 328     SFX_DECL_VIEWFACTORY(SmViewShell);
 329
 330 private:
 331     /// SfxInterface initializer.
 332     static void InitInterface_Impl();
 333
 334 public:
 335     void Execute( SfxRequest& rReq );
 336     void GetState(SfxItemSet &);
 337
 338     void Impl_Print( OutputDevice &rOutDev, const SmPrintUIOptions &rPrintUIOptions,
 339             tools::Rectangle aOutRect );
 340
 341     /** Set bInsertIntoEditWindow so we know where to insert
 342      *
 343      * This method is called whenever SmGraphicWidget or SmEditWindow gets focus,
 344      * so that when text is inserted from catalog or elsewhere we know whether to
 345      * insert for the visual editor, or the text editor.
 346      */
 347     void SetInsertIntoEditWindow(bool bEditWindowHadFocusLast){
 348         mbInsertIntoEditWindow = bEditWindowHadFocusLast;
 349     }
 350     static bool IsInlineEditEnabled();
 351
 352 private:
 353     void ZoomByItemSet(const SfxItemSet *pSet);
 354 };
 355
 356 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */