File indexing completed on 2024-12-15 04:03:26

0001 
0002 /*
0003    Copyright (c) 2003-2007 Clarence Dang <dang@kde.org>
0004    All rights reserved.
0005 
0006    Redistribution and use in source and binary forms, with or without
0007    modification, are permitted provided that the following conditions
0008    are met:
0009 
0010    1. Redistributions of source code must retain the above copyright
0011       notice, this list of conditions and the following disclaimer.
0012    2. Redistributions in binary form must reproduce the above copyright
0013       notice, this list of conditions and the following disclaimer in the
0014       documentation and/or other materials provided with the distribution.
0015 
0016    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
0017    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
0018    OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
0019    IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
0020    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
0021    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
0022    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
0023    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
0024    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
0025    THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0026 */
0027 
0028 #define DEBUG_KP_TOOL_TEXT 0
0029 
0030 
0031 #include "tools/selection/text/kpToolText.h"
0032 #include "kpToolTextPrivate.h"
0033 
0034 #include "kpLogCategories.h"
0035 
0036 #include "document/kpDocument.h"
0037 #include "layers/selections/text/kpTextSelection.h"
0038 #include "views/kpView.h"
0039 #include "views/manager/kpViewManager.h"
0040 
0041 
0042 // private
0043 bool kpToolText::onSelectionToSelectText () const
0044 {
0045     kpView *v = viewManager ()->viewUnderCursor ();
0046     if (!v) {
0047         return false;
0048     }
0049 
0050     return v->mouseOnSelectionToSelectText (currentViewPoint ());
0051 }
0052 
0053 
0054 // private
0055 QString kpToolText::haventBegunDrawUserMessageSelectText () const
0056 {
0057     return i18n ("Left click to change cursor position.");
0058 }
0059 
0060 // private
0061 void kpToolText::setCursorSelectText ()
0062 {
0063     viewManager ()->setCursor (Qt::IBeamCursor);
0064 }
0065 
0066 
0067 // private
0068 void kpToolText::beginDrawSelectText ()
0069 {
0070 #if DEBUG_KP_TOOL_TEXT
0071     qCDebug(kpLogTools) << "\t\tis select cursor pos";
0072 #endif
0073     kpTextSelection *textSel = document ()->textSelection ();
0074     Q_ASSERT (textSel);
0075 
0076     int newRow, newCol;
0077 
0078     if (textSel->hasContent ())
0079     {
0080         newRow = textSel->closestTextRowForPoint (currentPoint ());
0081         newCol = textSel->closestTextColForPoint (currentPoint ());
0082     }
0083     else
0084     {
0085         newRow = newCol = 0;
0086     }
0087 
0088 #if DEBUG_KP_TOOL_TEXT
0089     qCDebug(kpLogTools) << "\t\t\told: row=" << viewManager ()->textCursorRow ()
0090               << "col=" << viewManager ()->textCursorCol ();
0091     qCDebug(kpLogTools) << "\t\t\tnew: row=" << newRow << "col=" << newCol;
0092 #endif
0093     viewManager ()->setTextCursorPosition (newRow, newCol);
0094 }
0095 
0096 
0097 // protected virtual
0098 QVariant kpToolText::selectTextOperation (Operation op,
0099         const QVariant &data1, const QVariant &data2)
0100 {
0101     (void) data1;
0102     (void) data2;
0103 
0104     
0105     switch (op)
0106     {
0107     case HaventBegunDrawUserMessage:
0108         return haventBegunDrawUserMessageSelectText ();
0109 
0110     case SetCursor:
0111         setCursorSelectText ();
0112         break;
0113 
0114     case BeginDraw:
0115         beginDrawSelectText ();
0116         break;
0117 
0118     case Draw:
0119         // Do nothing.
0120         break;
0121 
0122     case Cancel:
0123         // Not called.  REFACTOR: Change this?
0124         break;
0125 
0126     case EndDraw:
0127         // Do nothing.
0128         break;
0129 
0130     default:
0131         Q_ASSERT (!"Unhandled operation");
0132         break;
0133     }
0134 
0135 
0136     return {};
0137 }