include/svx/ruler.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.
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   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 #ifndef INCLUDED_SVX_RULER_HXX
  20 #define INCLUDED_SVX_RULER_HXX
  21
  22 #include <svtools/ruler.hxx>
  23 #include <svl/lstner.hxx>
  24 #include <svx/svxdllapi.h>
  25 #include <o3tl/typed_flags_set.hxx>
  26
  27 #include <memory>
  28
  29 class Menu;
  30 class SvxProtectItem;
  31 class SvxRulerItem;
  32 class SfxBindings;
  33 class SvxLongLRSpaceItem;
  34 class SvxLongULSpaceItem;
  35 class SvxTabStopItem;
  36 class SvxLRSpaceItem;
  37 class SvxPagePosSizeItem;
  38 class SvxColumnItem;
  39 class SfxRectangleItem;
  40 class SvxObjectItem;
  41 class SfxBoolItem;
  42 struct SvxRuler_Impl;
  43
  44 enum class RulerChangeType
  45 {
  46     MARGIN1,
  47     MARGIN2
  48 };
  49
  50 enum class SvxRulerDragFlags
  51 {
  52     NONE                       = 0x00,
  53     OBJECT                     = 0x01,
  54     // reduce size of the last column, shift
  55     OBJECT_SIZE_LINEAR         = 0x02,
  56     OBJECT_SIZE_PROPORTIONAL   = 0x04, // proportional, Ctrl
  57     // only current line (table; Shift-Ctrl)
  58     OBJECT_ACTLINE_ONLY        = 0x08,
  59     // currently same key assignment
  60     OBJECT_LEFT_INDENT_ONLY    = OBJECT_SIZE_PROPORTIONAL,
  61 };
  62 namespace o3tl
  63 {
  64     template<> struct typed_flags<SvxRulerDragFlags> : is_typed_flags<SvxRulerDragFlags, 0x0f> {};
  65 }
  66
  67 enum class SvxRulerSupportFlags
  68 {
  69     TABS                       = 0x0001,
  70     PARAGRAPH_MARGINS          = 0x0002,
  71     BORDERS                    = 0x0004,
  72     OBJECT                     = 0x0008,
  73     SET_NULLOFFSET             = 0x0010,
  74     NEGATIVE_MARGINS           = 0x0020,
  75     PARAGRAPH_MARGINS_VERTICAL = 0x0040,
  76     REDUCED_METRIC             = 0x0080, //shorten the context menu to select metric
  77 };
  78 namespace o3tl
  79 {
  80     template<> struct typed_flags<SvxRulerSupportFlags> : is_typed_flags<SvxRulerSupportFlags, 0x00ff> {};
  81 }
  82
  83 class SVX_DLLPUBLIC SvxRuler: public Ruler, public SfxListener
  84 {
  85     friend class SvxRulerItem;
  86
  87     std::vector<std::unique_ptr<SvxRulerItem> > pCtrlItems;
  88
  89     std::unique_ptr<SvxLongLRSpaceItem> mxLRSpaceItem;    // left and right edge
  90     std::unique_ptr<SfxRectangleItem>   mxMinMaxItem;     // maxima for dragging
  91     std::unique_ptr<SvxLongULSpaceItem> mxULSpaceItem;    // upper and lower edge
  92     std::unique_ptr<SvxTabStopItem>     mxTabStopItem;    // tab stops
  93     std::unique_ptr<SvxLRSpaceItem>     mxParaItem;       // paragraphs
  94     std::unique_ptr<SvxPagePosSizeItem> mxPagePosItem;    // page distance to the rule
  95     std::unique_ptr<SvxColumnItem>      mxColumnItem;     // columns
  96     std::unique_ptr<SvxObjectItem>      mxObjectItem;     // object
  97
  98     VclPtr<vcl::Window>         pEditWin;
  99
 100     std::unique_ptr<SvxRuler_Impl> mxRulerImpl;
 101
 102     bool            bAppSetNullOffset :1;
 103     bool            bHorz :1;
 104     tools::Long            lLogicNullOffset;     // in logic coordinates
 105     tools::Long            lAppNullOffset;       // in logic coordinates
 106     tools::Long            lInitialDragPos;
 107     SvxRulerSupportFlags nFlags;
 108     SvxRulerDragFlags    nDragType;
 109     sal_uInt16      nDefTabType;
 110     sal_uInt16      nTabCount;
 111     sal_uInt16      nTabBufSize;
 112     tools::Long            lDefTabDist;
 113     tools::Long            lTabPos;
 114
 115     std::vector<RulerTab>    mpTabs;    // tab positions in pixel
 116     std::vector<RulerIndent> mpIndents; // paragraph margins in pixel
 117     std::vector<RulerBorder> mpBorders;
 118     std::vector<RulerBorder> mpObjectBorders;
 119
 120     SfxBindings*    pBindings;
 121     tools::Long            nDragOffset;
 122     tools::Long            nMaxLeft;
 123     tools::Long            nMaxRight;
 124     bool            bValid;
 125     bool            bListening;
 126     bool            bActive;
 127
 128     bool mbCoarseSnapping;
 129     bool mbSnapping;
 130
 131     void StartListening_Impl();
 132     tools::Long GetCorrectedDragPos(bool bLeft = true, bool bRight = true );
 133     void DrawLine_Impl(tools::Long &lTabPos, int, bool Horizontal);
 134     sal_uInt16 GetObjectBordersOff(sal_uInt16 nIdx) const;
 135
 136     // page borders or surrounding frame
 137     void UpdateFrame(const SvxLongLRSpaceItem* pItem);
 138     void UpdateFrame(const SvxLongULSpaceItem* pItem);
 139     void UpdateFrameMinMax(const SfxRectangleItem* pItem);
 140     // paragraph indentations
 141     void UpdatePara(const SvxLRSpaceItem* pItem);
 142     // Border distance
 143     void UpdateParaBorder();
 144     // Tabs
 145     void Update(const SvxTabStopItem* pItem);
 146     // page position and width
 147     void Update(const SvxPagePosSizeItem* pItem);
 148     // columns
 149     void Update(const SvxColumnItem* pItem, sal_uInt16 nSID);
 150     // object selection
 151     void Update(const SvxObjectItem* pItem);
 152     // protect
 153     void Update(const SvxProtectItem* pItem );
 154     // left-to-right text
 155     void UpdateTextRTL(const SfxBoolItem* pItem);
 156     // paragraph indentations
 157     void UpdatePara();
 158     void UpdateTabs();
 159     void UpdatePage();
 160     void UpdateFrame();
 161     void UpdateColumns();
 162     void UpdateObject();
 163
 164     // Convert position to stick to ruler ticks
 165     tools::Long MakePositionSticky(tools::Long rValue, tools::Long aPointOfReference, bool aSnapToFrameMargin = true) const;
 166
 167     tools::Long PixelHAdjust(tools::Long lPos, tools::Long lPos2) const;
 168     tools::Long PixelVAdjust(tools::Long lPos, tools::Long lPos2) const;
 169     tools::Long PixelAdjust(tools::Long lPos, tools::Long lPos2) const;
 170
 171     tools::Long ConvertHPosPixel(tools::Long lPos) const;
 172     tools::Long ConvertVPosPixel(tools::Long lPos) const;
 173     tools::Long ConvertHSizePixel(tools::Long lSize) const;
 174     tools::Long ConvertVSizePixel(tools::Long lSize) const;
 175
 176     tools::Long ConvertPosPixel(tools::Long lPos) const;
 177     tools::Long ConvertSizePixel(tools::Long lSize) const;
 178
 179     tools::Long ConvertHPosLogic(tools::Long lPos) const;
 180     tools::Long ConvertVPosLogic(tools::Long lPos) const;
 181     tools::Long ConvertHSizeLogic(tools::Long lSize) const;
 182     tools::Long ConvertVSizeLogic(tools::Long lSize) const;
 183
 184     tools::Long ConvertPosLogic(tools::Long lPos) const;
 185     tools::Long ConvertSizeLogic(tools::Long lSize) const;
 186
 187     tools::Long RoundToCurrentMapMode(tools::Long lValue) const;
 188
 189     tools::Long GetFirstLineIndent() const;
 190     tools::Long GetLeftIndent() const;
 191     tools::Long GetRightIndent() const;
 192     tools::Long GetLogicRightIndent() const;
 193
 194     tools::Long GetLeftFrameMargin() const;
 195     tools::Long GetRightFrameMargin() const;
 196
 197     void CalcMinMax();
 198
 199     void EvalModifier();
 200     void DragMargin1();
 201     //adjust the left margin either after DragMargin1() or after DragBorders()
 202     void AdjustMargin1(tools::Long lDiff);
 203     void DragMargin2();
 204     void DragIndents();
 205     void DragTabs();
 206     void DragBorders();
 207     void DragObjectBorder();
 208
 209     void ApplyMargins();
 210     void ApplyIndents();
 211     void ApplyTabs();
 212     void ApplyBorders();
 213     void ApplyObject();
 214
 215     tools::Long GetFrameLeft() const;
 216
 217     tools::Long GetLeftMin() const;
 218     tools::Long GetRightMax() const;
 219
 220     DECL_LINK( TabMenuSelect, Menu *, bool );
 221     DECL_LINK( MenuSelect, Menu *, bool );
 222     void PrepareProportional_Impl(RulerType);
 223
 224     enum class UpdateType
 225     {
 226         MoveLeft,
 227         MoveRight
 228     };
 229     void UpdateParaContents_Impl(tools::Long lDiff, UpdateType);
 230
 231 protected:
 232     virtual void    Command( const CommandEvent& rCEvt ) override;
 233     virtual void    Click() override;
 234     virtual bool    StartDrag() override;
 235     virtual void    Drag() override;
 236     virtual void    EndDrag() override;
 237     virtual void    ExtraDown() override;
 238     virtual void    MouseMove( const MouseEvent& rMEvt ) override;
 239
 240     virtual void    Notify( SfxBroadcaster& rBC, const SfxHint& rHint ) override;
 241
 242     virtual void    Update();
 243
 244     bool IsActLastColumn(
 245                 bool bForceDontConsiderHidden = false,
 246                 sal_uInt16 nAct=USHRT_MAX) const;
 247     bool IsActFirstColumn(
 248                 bool bForceDontConsiderHidden = false,
 249                 sal_uInt16 nAct=USHRT_MAX) const;
 250     sal_uInt16 GetActLeftColumn(
 251                 bool bForceDontConsiderHidden = false,
 252                 sal_uInt16 nAct=USHRT_MAX ) const;
 253     sal_uInt16 GetActRightColumn (
 254                 bool bForceDontConsiderHidden = false,
 255                 sal_uInt16 nAct=USHRT_MAX ) const;
 256     tools::Long CalcPropMaxRight(sal_uInt16 nCol = USHRT_MAX) const;
 257
 258 public:
 259
 260     SvxRuler(vcl::Window* pParent, vcl::Window *pEditWin, SvxRulerSupportFlags nRulerFlags,
 261              SfxBindings &rBindings, WinBits nWinStyle);
 262     virtual ~SvxRuler() override;
 263     virtual void dispose() override;
 264
 265     void SetDefTabDist(tools::Long);
 266
 267     // set/get NullOffset in logic units
 268     void SetNullOffsetLogic(tools::Long lOff);
 269
 270     void SetActive(bool bOn = true);
 271
 272     void ForceUpdate()
 273     {
 274         Update();
 275     }
 276
 277     //#i24363# tab stops relative to indent
 278     void SetTabsRelativeToIndent( bool bRel );
 279     void SetValues(RulerChangeType type, tools::Long value);
 280     tools::Long GetPageWidth() const;
 281
 282     void MoveTabstop(int nTabstop, int nAmount);
 283 };
 284
 285 #endif
 286
 287 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */