mirror of
https://github.com/sqlitebrowser/sqlitebrowser.git
synced 2026-05-08 04:49:58 -05:00
Martin Kleusberg
cde2393539
This is a first rough implementation of QScintilla support as SQL text editor. It should work mostly and build fine with qmake as well as cmake. The new code supports all the features of the old one plus adding a few subtle improvements. The main point of this, however, is reducing the code we have to maintain and making it easier to add new features to the editor.
144 lines
3.3 KiB
C++
144 lines
3.3 KiB
C++
// This module implements the QsciCommand class.
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//
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// Copyright (c) 2015 Riverbank Computing Limited <info@riverbankcomputing.com>
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//
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// This file is part of QScintilla.
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//
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// This file may be used under the terms of the GNU General Public License
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// version 3.0 as published by the Free Software Foundation and appearing in
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// the file LICENSE included in the packaging of this file. Please review the
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// following information to ensure the GNU General Public License version 3.0
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// requirements will be met: http://www.gnu.org/copyleft/gpl.html.
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//
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// If you do not wish to use this file under the terms of the GPL version 3.0
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// then you may purchase a commercial license. For more information contact
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// info@riverbankcomputing.com.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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#include "Qsci/qscicommand.h"
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#include <qnamespace.h>
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#include <qapplication.h>
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#include "Qsci/qsciscintilla.h"
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#include "Qsci/qsciscintillabase.h"
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static int convert(int key);
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// The ctor.
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QsciCommand::QsciCommand(QsciScintilla *qs, QsciCommand::Command cmd, int key,
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int altkey, const char *desc)
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: qsCmd(qs), scicmd(cmd), qkey(key), qaltkey(altkey), descCmd(desc)
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{
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scikey = convert(qkey);
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if (scikey)
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qsCmd->SendScintilla(QsciScintillaBase::SCI_ASSIGNCMDKEY, scikey,
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scicmd);
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scialtkey = convert(qaltkey);
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if (scialtkey)
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qsCmd->SendScintilla(QsciScintillaBase::SCI_ASSIGNCMDKEY, scialtkey,
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scicmd);
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}
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// Execute the command.
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void QsciCommand::execute()
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{
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qsCmd->SendScintilla(scicmd);
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}
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// Bind a key to a command.
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void QsciCommand::setKey(int key)
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{
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bindKey(key,qkey,scikey);
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}
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// Bind an alternate key to a command.
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void QsciCommand::setAlternateKey(int altkey)
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{
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bindKey(altkey,qaltkey,scialtkey);
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}
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// Do the hard work of binding a key.
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void QsciCommand::bindKey(int key,int &qk,int &scik)
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{
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int new_scikey;
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// Ignore if it is invalid, allowing for the fact that we might be
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// unbinding it.
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if (key)
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{
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new_scikey = convert(key);
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if (!new_scikey)
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return;
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}
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else
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new_scikey = 0;
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if (scik)
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qsCmd->SendScintilla(QsciScintillaBase::SCI_CLEARCMDKEY, scik);
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qk = key;
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scik = new_scikey;
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if (scik)
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qsCmd->SendScintilla(QsciScintillaBase::SCI_ASSIGNCMDKEY, scik, scicmd);
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}
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// See if a key is valid.
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bool QsciCommand::validKey(int key)
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{
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return convert(key);
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}
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// Convert a Qt character to the Scintilla equivalent. Return zero if it is
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// invalid.
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static int convert(int key)
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{
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// Convert the modifiers.
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int sci_mod = 0;
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if (key & Qt::SHIFT)
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sci_mod |= QsciScintillaBase::SCMOD_SHIFT;
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if (key & Qt::CTRL)
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sci_mod |= QsciScintillaBase::SCMOD_CTRL;
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if (key & Qt::ALT)
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sci_mod |= QsciScintillaBase::SCMOD_ALT;
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if (key & Qt::META)
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sci_mod |= QsciScintillaBase::SCMOD_META;
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key &= ~Qt::MODIFIER_MASK;
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// Convert the key.
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int sci_key = QsciScintillaBase::commandKey(key, sci_mod);
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if (sci_key)
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sci_key |= (sci_mod << 16);
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return sci_key;
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}
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// Return the translated user friendly description.
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QString QsciCommand::description() const
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{
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return qApp->translate("QsciCommand", descCmd);
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}
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