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

 
 /*
    Copyright (c) 2003-2007 Clarence Dang <dang@kde.org>
    All rights reserved.
 
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:
 
    1. Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright
       notice, this list of conditions and the following disclaimer in the
       documentation and/or other materials provided with the distribution.
 
    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
    IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
    THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
 #define DEBUG_KP_TOOL_TEXT 0
 
 
 #include "tools/selection/text/kpToolText.h"
 #include "kpToolTextPrivate.h"
 
 #include <QEvent>
 #include <QList>
 
 #include "kpLogCategories.h"
 #include "commands/kpCommandHistory.h"
 #include "document/kpDocument.h"
 #include "layers/selections/text/kpTextSelection.h"
 #include "commands/tools/selection/text/kpToolTextBackspaceCommand.h"
 #include "commands/tools/selection/text/kpToolTextChangeStyleCommand.h"
 #include "commands/tools/selection/kpToolSelectionCreateCommand.h"
 #include "environments/tools/selection/kpToolSelectionEnvironment.h"
 #include "commands/tools/selection/text/kpToolTextDeleteCommand.h"
 #include "commands/tools/selection/text/kpToolTextEnterCommand.h"
 #include "commands/tools/selection/text/kpToolTextInsertCommand.h"
 #include "widgets/toolbars/options/kpToolWidgetOpaqueOrTransparent.h"
 #include "views/kpView.h"
 #include "views/manager/kpViewManager.h"
 
 #include <KLocalizedString>
 
 // protected virtual [base kpTool]
 bool kpToolText::viewEvent (QEvent *e)
 {
     const bool isShortcutOverrideEvent =
         (e->type () == QEvent::ShortcutOverride);
     const bool haveTextSelection = document ()->textSelection ();
 
 #if DEBUG_KP_TOOL_TEXT && 0
     qCDebug(kpLogTools) << "kpToolText::viewEvent() type=" << e->type ()
               << " isShortcutOverrideEvent=" << isShortcutOverrideEvent
               << " haveTextSel=" << haveTextSelection;
 #endif
 
     if (!isShortcutOverrideEvent || !haveTextSelection) {
         return kpAbstractSelectionTool::viewEvent (e);
     }
 
     auto *ke = dynamic_cast <QKeyEvent *> (e);
 #if DEBUG_KP_TOOL_TEXT
     qCDebug(kpLogTools) << "kpToolText::viewEvent() key=" << ke->key ()
               << " modifiers=" << ke->modifiers ()
               << " QChar.isPrint()=" << QChar (ke->key ()).isPrint ();
 #endif
 
     // Can't be shortcut?
     if (ke->key () == 0 && ke->key () == Qt::Key_unknown)
     {
     #if DEBUG_KP_TOOL_TEXT
         qCDebug(kpLogTools) << "\tcan't be shortcut - safe to not react";
     #endif
     }
     // Normal letter (w/ or w/o shift, keypad button ok)?
     // TODO: don't like this check
     else if ((ke->modifiers () &
                 (Qt::ControlModifier | Qt::AltModifier | Qt::MetaModifier)) == 0 &&
              !( ke->text ().isEmpty ()))
     {
     #if DEBUG_KP_TOOL_TEXT
         qCDebug(kpLogTools) << "\tis text - grab";
     #endif
         e->accept ();
     }
     else
     {
         // Strictly speaking, we should grab stuff like the arrow keys
         // and enter.  In any case, should be done down in kpTool (as that
         // uses arrow keys too).
     }
 
     return kpAbstractSelectionTool::event (e);
 }
 
 
 // protected virtual [base kpAbstractSelectionTool]
 void kpToolText::keyPressEvent (QKeyEvent *e)
 {
 #if DEBUG_KP_TOOL_TEXT
     qCDebug(kpLogTools) << "kpToolText::keyPressEvent(e->text='" << e->text () << "')";
 #endif
 
 
     e->ignore ();
 
 
     if (hasBegunDraw ())
     {
     #if DEBUG_KP_TOOL_TEXT
         qCDebug(kpLogTools) << "\talready began draw with mouse - passing on event to kpTool";
     #endif
         kpAbstractSelectionTool::keyPressEvent (e);
         return;
     }
 
 
     kpTextSelection * const textSel = document ()->textSelection ();
 
     if (!textSel)
     {
     #if DEBUG_KP_TOOL_TEXT
         qCDebug(kpLogTools) << "\tno text sel - passing on event to kpTool";
     #endif
         //if (hasBegunShape ())
         //    endShape (currentPoint (), normalizedRect ());
 
         kpAbstractSelectionTool::keyPressEvent (e);
         return;
     }
 
 
     // (All handle.+()'s require this info)
     const QList <QString> textLines = textSel->textLines ();
     const int cursorRow = viewManager ()->textCursorRow ();
     const int cursorCol = viewManager ()->textCursorCol ();
 
 
     // TODO: KTextEdit::keyPressEvent() uses KStandardShortcut instead of hardcoding; same fix for kpTool?
     switch (e->key ())
     {
     case Qt::Key_Up:
         handleUpKeyPress (e, textLines, cursorRow, cursorCol);
         break;
 
     case Qt::Key_Down:
         handleDownKeyPress (e, textLines, cursorRow, cursorCol);
         break;
 
     case Qt::Key_Left:
         handleLeftKeyPress (e, textLines, cursorRow, cursorCol);
         break;
 
     case Qt::Key_Right:
         handleRightKeyPress (e, textLines, cursorRow, cursorCol);
         break;
 
 
     case Qt::Key_Home:
         handleHomeKeyPress (e, textLines, cursorRow, cursorCol);
         break;
 
     case Qt::Key_End:
         handleEndKeyPress (e, textLines, cursorRow, cursorCol);
         break;
 
 
     case Qt::Key_Backspace:
         handleBackspaceKeyPress (e, textLines, cursorRow, cursorCol);
         break;
 
     case Qt::Key_Delete:
         handleDeleteKeyPress (e, textLines, cursorRow, cursorCol);
         break;
 
 
     case Qt::Key_Enter:
     case Qt::Key_Return:
         handleEnterKeyPress (e, textLines, cursorRow, cursorCol);
         break;
 
 
     default:
         handleTextTyped (e, textLines, cursorRow, cursorCol);
         break;
     }
 
 
     if (!e->isAccepted ())
     {
     #if DEBUG_KP_TOOL_TEXT
         qCDebug(kpLogTools) << "\tkey processing did not accept (text was '"
                    << e->text ()
                    << "') - passing on event to kpAbstractSelectionTool";
     #endif
         //if (hasBegunShape ())
         //    endShape (currentPoint (), normalizedRect ());
 
         kpAbstractSelectionTool::keyPressEvent (e);
         return;
     }
 }