229 lines
9.2 KiB
C++
229 lines
9.2 KiB
C++
/*
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* Copyright (C) 2020-2022 Roy Qu (royqh1979@gmail.com)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef SYNEDITKEYSTROKE_H
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#define SYNEDITKEYSTROKE_H
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#include "../utils.h"
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#include <QKeySequence>
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#include <QList>
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#include <memory>
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//****************************************************************************
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// NOTE! If you add an editor command, you must also update the
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// EditorCommandStrs constant array in implementation section below, or the
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// command will not show up in the IDE.
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//****************************************************************************
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// "Editor Commands". Key strokes are translated from a table into these
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// I used constants instead of a set so that additional commands could be
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// added in descendants (you can't extend a set)
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// There are two ranges of editor commands: the ecViewXXX commands are always
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// valid, while the ecEditXXX commands are ignored when the editor is in
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// read-only mode
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enum class SynEditorCommand {
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ecNone = 0, // Nothing. Useful for user event to handle command
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ecViewCommandFirst = 0,
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ecViewCommandLast = 500,
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ecEditCommandFirst = 501,
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ecEditCommandLast = 1000,
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ecLeft = 1, // Move cursor left one char
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ecRight = 2, // Move cursor right one char
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ecUp = 3, // Move cursor up one line
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ecDown = 4, // Move cursor down one line
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ecWordLeft = 5, // Move cursor left one word
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ecWordRight = 6, // Move cursor right one word
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ecLineStart = 7, // Move cursor to beginning of line
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ecLineEnd = 8, // Move cursor to end of line
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ecPageUp = 9, // Move cursor up one page
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ecPageDown = 10, // Move cursor down one page
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ecPageLeft = 11, // Move cursor right one page
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ecPageRight = 12, // Move cursor left one page
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ecPageTop = 13, // Move cursor to top of page
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ecPageBottom = 14, // Move cursor to bottom of page
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ecEditorStart = 15, // Move cursor to absolute beginning
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ecEditorEnd = 16, // Move cursor to absolute end
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ecGotoXY = 17, // Move cursor to specific coordinates, Data = PPoint
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//******************************************************************************
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// Maybe the command processor should just take a boolean that signifies if
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// selection is affected or not?
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//******************************************************************************
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ecSelection = 100, // Add this to ecXXX command to get equivalent
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// command, but with selection enabled. This is not
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// a command itself.
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// Same as commands above, except they affect selection, too
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ecSelLeft = ecLeft + ecSelection,
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ecSelRight = ecRight + ecSelection,
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ecSelUp = ecUp + ecSelection,
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ecSelDown = ecDown + ecSelection,
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ecSelWordLeft = ecWordLeft + ecSelection,
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ecSelWordRight = ecWordRight + ecSelection,
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ecSelLineStart = ecLineStart + ecSelection,
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ecSelLineEnd = ecLineEnd + ecSelection,
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ecSelPageUp = ecPageUp + ecSelection,
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ecSelPageDown = ecPageDown + ecSelection,
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ecSelPageLeft = ecPageLeft + ecSelection,
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ecSelPageRight = ecPageRight + ecSelection,
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ecSelPageTop = ecPageTop + ecSelection,
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ecSelPageBottom = ecPageBottom + ecSelection,
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ecSelEditorStart = ecEditorStart + ecSelection,
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ecSelEditorEnd = ecEditorEnd + ecSelection,
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ecSelGotoXY = ecGotoXY + ecSelection, // Data = PPoint
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ecCopy = 201, // Copy selection to clipboard
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ecSelWord = 202,
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ecSelectAll = 203, // Select entire contents of editor, cursor to end
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ecExpandSelection = 204, // expand selection
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ecShrinkSelection = 205, // shrink selection
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ecScrollUp = 211, // Scroll up one line leaving cursor position unchanged.
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ecScrollDown = 212, // Scroll down one line leaving cursor position unchanged.
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ecScrollLeft = 213, // Scroll left one char leaving cursor position unchanged.
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ecScrollRight = 214, // Scroll right one char leaving cursor position unchanged.
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ecInsertMode = 221, // Set insert mode
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ecOverwriteMode = 222, // Set overwrite mode
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ecToggleMode = 223, // Toggle ins/ovr mode
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ecNormalSelect = 231, // Normal selection mode
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ecColumnSelect = 232, // Column selection mode
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ecLineSelect = 233, // Line selection mode
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ecMatchBracket = 250, // Go to matching bracket
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ecContextHelp = 490, // Help on Word, Data = Word
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ecDeleteLastChar = 501, // Delete last char (i.e. backspace key)
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ecDeleteChar = 502, // Delete char at cursor (i.e. delete key)
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ecDeleteWordEnd = 503, // Delete from cursor to end of word
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ecDeleteWordStart = 504, // Delete from cursor to start of word
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ecDeleteBOL = 505, // Delete from cursor to beginning of line
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ecDeleteEOL = 506, // Delete from cursor to end of line
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ecDeleteLine = 507, // Delete current line
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ecClearAll = 508, // Delete everything
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ecLineBreak = 509, // Break line at current position, move caret to new line
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ecInsertLine = 510, // Break line at current position, leave caret
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ecChar = 511, // Insert a character at current position
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ecDuplicateLine = 512, // Duplicate current line
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ecMoveSelUp = 513, // Move selection up
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ecMoveSelDown = 514, // Move selection down
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ecImeStr = 550, // Insert character(s) from IME
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ecDeleteWord = 551, // Delete current Word
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ecUndo = 601, // Perform undo if available
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ecRedo = 602, // Perform redo if available
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ecCut = 603, // Cut selection to clipboard
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ecPaste = 604, // Paste clipboard to current position
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ecBlockIndent = 610, // Indent selection
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ecBlockUnindent = 611, // Unindent selection
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ecTab = 612, // Tab key
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ecShiftTab = 613, // Shift+Tab key
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ecComment = 614,
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ecUncomment = 615,
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ecToggleComment = 616,
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ecToggleBlockComment = 617,
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ecUpperCase = 620, // apply to the current or previous word
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ecLowerCase = 621,
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ecToggleCase = 622,
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ecTitleCase = 623,
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ecUpperCaseBlock = 625, // apply to current selection, or current char if no selection
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ecLowerCaseBlock = 626,
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ecToggleCaseBlock = 627,
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ecString = 630, //Insert a whole string
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ecZoomOut = 631, //Increase Font Size
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ecZoomIn = 632, //Decrease Font Size
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ecLineBreakAtBegin = 651, //add a line break at the begin of the line
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ecLineBreakAtEnd = 652,
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//### Code Folding ###
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ecCollapse = 700,
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ecUncollapse = 701,
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ecCollapseLevel = 702,
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ecUncollapseLevel = 703,
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ecCollapseAll = 704,
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ecUncollapseAll = 705,
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//### End Code Folding ###
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ecUserFirst = 1001, // Start of user-defined commands
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};
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class SynKeyError: public BaseError {
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public:
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explicit SynKeyError(const QString& reason);
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};
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class SynEditKeyStroke
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{
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public:
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explicit SynEditKeyStroke();
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QKeySequence keySequence() const;
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void setKeySequence(QKeySequence& keySequence);
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int key() const;
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void setKey(int key);
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Qt::KeyboardModifiers keyModifiers() const;
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void setKeyModifiers(const Qt::KeyboardModifiers &keyModifiers);
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int key2() const;
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void setKey2(int key2);
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Qt::KeyboardModifiers keyModifiers2() const;
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void setKeyModifiers2(const Qt::KeyboardModifiers &keyModifiers2);
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SynEditorCommand command() const;
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void setCommand(const SynEditorCommand &command);
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private:
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int mKey; // Virtual keycode, i.e. VK_xxx
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Qt::KeyboardModifiers mKeyModifiers;
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int mKey2;
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Qt::KeyboardModifiers mKeyModifiers2;
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SynEditorCommand mCommand;
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};
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using PSynEditKeyStroke = std::shared_ptr<SynEditKeyStroke>;
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using SynEditKeyStrokeList = QList<PSynEditKeyStroke>;
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class SynEditKeyStrokes {
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public:
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PSynEditKeyStroke add(SynEditorCommand command, int key, Qt::KeyboardModifiers modifiers);
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PSynEditKeyStroke findCommand(SynEditorCommand command);
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PSynEditKeyStroke findKeycode(int key, Qt::KeyboardModifiers modifiers);
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PSynEditKeyStroke findKeycode2(int key, Qt::KeyboardModifiers modifiers,
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int key2, Qt::KeyboardModifiers modifiers2);
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PSynEditKeyStroke findKeySequence(const QKeySequence& keySeq);
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void clear();
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void resetDefaults();
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void setExtraKeyStrokes();
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private:
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SynEditKeyStrokeList mList;
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};
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#endif // SYNEDITKEYSTROKE_H
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