summaryrefslogtreecommitdiff
path: root/include/vcl/edit.hxx
blob: d4a9b418c7abec936907590708cfc8e2f8b899ca (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#ifndef INCLUDED_VCL_EDIT_HXX
#define INCLUDED_VCL_EDIT_HXX

#include <vcl/ctrl.hxx>

#include <functional>
#include <memory>

#include <tools/solar.h>
#include <vcl/dllapi.h>
#include <vcl/menu.hxx>
#include <vcl/dndhelp.hxx>
#include <vcl/vclptr.hxx>
#include <com/sun/star/uno/Reference.h>

namespace com {
namespace sun {
namespace star {
namespace i18n {
    class XBreakIterator;
    class XExtendedInputSequenceChecker;
}}}}
namespace weld {
    class Widget;
}

class VclBuilder;
struct DDInfo;
struct Impl_IMEInfos;

#define EDIT_NOLIMIT                SAL_MAX_INT32
#define EDIT_UPDATEDATA_TIMEOUT     350

typedef OUString (*FncGetSpecialChars)( vcl::Window* pWin, const vcl::Font& rFont );

class VCL_DLLPUBLIC TextFilter
{
private:
    OUString sForbiddenChars;
public:
    void SetForbiddenChars(const OUString& rSet) { sForbiddenChars = rSet; }

    virtual OUString filter(const OUString &rText);

    TextFilter(const OUString &rForbiddenChars = OUString(" "));
    virtual ~TextFilter();
};

class Timer;

class VCL_DLLPUBLIC Edit : public Control, public vcl::unohelper::DragAndDropClient
{
private:
    VclPtr<Edit>        mpSubEdit;
    Timer*              mpUpdateDataTimer;
    TextFilter*         mpFilterText;
    DDInfo*             mpDDInfo;
    Impl_IMEInfos*      mpIMEInfos;
    OUStringBuffer      maText;
    OUString            maPlaceholderText;
    OUString            maSaveValue;
    OUString            maUndoText;
    long                mnXOffset;
    Selection           maSelection;
    sal_uInt16          mnAlign;
    sal_Int32           mnMaxTextLen;
    sal_Int32           mnWidthInChars;
    sal_Int32           mnMaxWidthChars;
    sal_Unicode         mcEchoChar;
    bool                mbModified:1,
                        mbInternModified:1,
                        mbReadOnly:1,
                        mbInsertMode:1,
                        mbClickedInSelection:1,
                        mbIsSubEdit:1,
                        mbActivePopup:1,
                        mbForceControlBackground:1;
    Link<Edit&,void>    maModifyHdl;
    Link<Edit&,void>    maUpdateDataHdl;
    Link<Edit&,void>    maAutocompleteHdl;
    std::unique_ptr<VclBuilder> mpUIBuilder;

    css::uno::Reference<css::i18n::XExtendedInputSequenceChecker> mxISC;

    DECL_DLLPRIVATE_LINK(ImplUpdateDataHdl, Timer*, void);

    SAL_DLLPRIVATE bool        ImplTruncateToMaxLen( OUString&, sal_Int32 nSelectionLen ) const;
    SAL_DLLPRIVATE void        ImplInitEditData();
    SAL_DLLPRIVATE void        ImplModified();
    SAL_DLLPRIVATE OUString    ImplGetText() const;
    SAL_DLLPRIVATE void        ImplRepaint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRectangle);
    SAL_DLLPRIVATE void        ImplInvalidateOrRepaint();
    SAL_DLLPRIVATE void        ImplDelete( const Selection& rSelection, sal_uInt8 nDirection, sal_uInt8 nMode );
    SAL_DLLPRIVATE void        ImplSetText( const OUString& rStr, const Selection* pNewSelection );
    SAL_DLLPRIVATE void        ImplInsertText( const OUString& rStr, const Selection* pNewSelection = nullptr, bool bIsUserInput = false );
    SAL_DLLPRIVATE static OUString ImplGetValidString( const OUString& rString );
    SAL_DLLPRIVATE void        ImplClearBackground(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRectangle, long nXStart, long nXEnd);
    SAL_DLLPRIVATE void        ImplPaintBorder(vcl::RenderContext const & rRenderContext, long nXStart, long nXEnd);
    SAL_DLLPRIVATE void        ImplShowCursor( bool bOnlyIfVisible = true );
    SAL_DLLPRIVATE void        ImplAlign();
    SAL_DLLPRIVATE void        ImplAlignAndPaint();
    SAL_DLLPRIVATE sal_Int32   ImplGetCharPos( const Point& rWindowPos ) const;
    SAL_DLLPRIVATE void        ImplSetCursorPos( sal_Int32 nChar, bool bSelect );
    SAL_DLLPRIVATE void        ImplShowDDCursor();
    SAL_DLLPRIVATE void        ImplHideDDCursor();
    SAL_DLLPRIVATE bool        ImplHandleKeyEvent( const KeyEvent& rKEvt );
    SAL_DLLPRIVATE void        ImplCopyToSelectionClipboard();
    SAL_DLLPRIVATE void        ImplCopy(css::uno::Reference<css::datatransfer::clipboard::XClipboard> const & rxClipboard);
    SAL_DLLPRIVATE void        ImplPaste(css::uno::Reference<css::datatransfer::clipboard::XClipboard> const & rxClipboard);
    SAL_DLLPRIVATE long        ImplGetTextYPosition() const;
    SAL_DLLPRIVATE css::uno::Reference<css::i18n::XExtendedInputSequenceChecker > const & ImplGetInputSequenceChecker();
    SAL_DLLPRIVATE static css::uno::Reference<css::i18n::XBreakIterator > ImplGetBreakIterator();
    SAL_DLLPRIVATE void        filterText();

protected:
    using Control::ImplInitSettings;
    using Window::ImplInit;
    SAL_DLLPRIVATE void        ImplInit( vcl::Window* pParent, WinBits nStyle );
    SAL_DLLPRIVATE static WinBits ImplInitStyle( WinBits nStyle );
    SAL_DLLPRIVATE void        ImplSetSelection( const Selection& rSelection, bool bPaint = true );
    SAL_DLLPRIVATE ControlType ImplGetNativeControlType() const;
    SAL_DLLPRIVATE long        ImplGetExtraXOffset() const;
    SAL_DLLPRIVATE long        ImplGetExtraYOffset() const;
    static SAL_DLLPRIVATE void ImplInvalidateOutermostBorder( vcl::Window* pWin );

    css::uno::Reference<css::datatransfer::dnd::XDragSourceListener > mxDnDListener;

    // DragAndDropClient
    using vcl::unohelper::DragAndDropClient::dragEnter;
    using vcl::unohelper::DragAndDropClient::dragExit;
    using vcl::unohelper::DragAndDropClient::dragOver;
    virtual void dragGestureRecognized(const css::datatransfer::dnd::DragGestureEvent& dge) override;
    virtual void dragDropEnd(const css::datatransfer::dnd::DragSourceDropEvent& dsde) override;
    virtual void drop(const css::datatransfer::dnd::DropTargetDropEvent& dtde) override;
    virtual void dragEnter(const css::datatransfer::dnd::DropTargetDragEnterEvent& dtdee) override;
    virtual void dragExit(const css::datatransfer::dnd::DropTargetEvent& dte) override;
    virtual void dragOver(const css::datatransfer::dnd::DropTargetDragEvent& dtde) override;

protected:
    Edit(WindowType nType);
    virtual void FillLayoutData() const override;
    virtual void ApplySettings(vcl::RenderContext& rRenderContext) override;
public:
    // public because needed in button.cxx
    SAL_DLLPRIVATE bool ImplUseNativeBorder(vcl::RenderContext const & rRenderContext, WinBits nStyle);

    Edit( vcl::Window* pParent, WinBits nStyle = WB_BORDER );
    virtual ~Edit() override;
    virtual void dispose() override;

    virtual void        MouseButtonDown( const MouseEvent& rMEvt ) override;
    virtual void        MouseButtonUp( const MouseEvent& rMEvt ) override;
    virtual void        KeyInput( const KeyEvent& rKEvt ) override;
    virtual void        Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect ) override;
    virtual void        Resize() override;
    virtual void        Draw( OutputDevice* pDev, const Point& rPos, const Size& rSize, DrawFlags nFlags ) override;
    virtual void        GetFocus() override;
    virtual void        LoseFocus() override;
    virtual void        Tracking( const TrackingEvent& rTEvt ) override;
    virtual void        Command( const CommandEvent& rCEvt ) override;
    virtual void        StateChanged( StateChangedType nType ) override;
    virtual void        DataChanged( const DataChangedEvent& rDCEvt ) override;

    virtual void        Modify();
    virtual void        UpdateData();

    static bool         IsCharInput( const KeyEvent& rKEvt );

    virtual void        SetModifyFlag();
    virtual void        ClearModifyFlag();
    virtual bool        IsModified() const { return mpSubEdit ? mpSubEdit->mbModified : mbModified; }

    virtual void        EnableUpdateData( sal_uLong nTimeout = EDIT_UPDATEDATA_TIMEOUT );
    virtual void        DisableUpdateData();

    void                SetEchoChar( sal_Unicode c );
    sal_Unicode         GetEchoChar() const { return mcEchoChar; }

    virtual void        SetReadOnly( bool bReadOnly = true );
    virtual bool        IsReadOnly() const { return mbReadOnly; }

    void                SetInsertMode( bool bInsert );
    bool                IsInsertMode() const;

    virtual void        SetMaxTextLen( sal_Int32 nMaxLen );
    virtual sal_Int32   GetMaxTextLen() const { return mnMaxTextLen; }

    void                SetWidthInChars(sal_Int32 nWidthInChars);

    void                setMaxWidthChars(sal_Int32 nWidth);

    virtual void        SetSelection( const Selection& rSelection );
    virtual const Selection&    GetSelection() const;

    virtual void        ReplaceSelected( const OUString& rStr );
    virtual void        DeleteSelected();
    virtual OUString    GetSelected() const;

    virtual void        Cut();
    virtual void        Copy();
    virtual void        Paste();
    void                Undo();

    virtual void        SetText( const OUString& rStr ) override;
    virtual void        SetText( const OUString& rStr, const Selection& rNewSelection );
    virtual OUString    GetText() const override;

    void                SetCursorAtLast();

    void                SetPlaceholderText( const OUString& rStr );
    OUString            GetPlaceholderText() const;

    void                SaveValue() { maSaveValue = GetText(); }
    const OUString&     GetSavedValue() const { return maSaveValue; }
    bool                IsValueChangedFromSaved() const { return maSaveValue != GetText(); }

    virtual void        SetModifyHdl( const Link<Edit&,void>& rLink ) { maModifyHdl = rLink; }
    virtual const Link<Edit&,void>& GetModifyHdl() const { return maModifyHdl; }
    virtual void        SetUpdateDataHdl( const Link<Edit&,void>& rLink ) { maUpdateDataHdl = rLink; }

    void                SetSubEdit( Edit* pEdit );
    Edit*               GetSubEdit() const { return mpSubEdit; }

    void                SetAutocompleteHdl( const Link<Edit&,void>& rLink ) { maAutocompleteHdl = rLink; }
    const Link<Edit&,void>& GetAutocompleteHdl() const { return maAutocompleteHdl; }

    virtual Size        CalcMinimumSize() const;
    virtual Size        CalcMinimumSizeForText(const OUString &rString) const;
    virtual Size        GetOptimalSize() const override;
    virtual Size        CalcSize(sal_Int32 nChars) const;
    sal_Int32           GetMaxVisChars() const;

    sal_Int32           GetCharPos( const Point& rWindowPos ) const;

    // shows a warning box saying "text too long, truncated"
    static void         ShowTruncationWarning(weld::Widget* pParent);

    static void                 SetGetSpecialCharsFunction( FncGetSpecialChars fn );
    static FncGetSpecialChars   GetGetSpecialCharsFunction();

    VclPtr<PopupMenu>           CreatePopupMenu();

    virtual OUString GetSurroundingText() const override;
    virtual Selection GetSurroundingTextSelection() const override;
    virtual bool set_property(const OString &rKey, const OUString &rValue) override;

    void SetTextFilter(TextFilter* pFilter) { mpFilterText = pFilter; }

    virtual FactoryFunction GetUITestFactory() const override;

    // returns the minimum size a bordered Edit should have given the current
    // global style settings (needed by sc's inputwin.cxx)
    static Size GetMinimumEditSize();

    void SetForceControlBackground(bool b) { mbForceControlBackground = b; }
};

#endif // INCLUDED_VCL_EDIT_HXX

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */