Source: /app/hbasic/hbasic/include/source_edit_widget.h
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/* **************************************************************************
File: source_edit_widget.h
Desc: Source code editor
----------------------------------------------------------------------------
copyright : (C) 2001 HBasic project (Marcus Engels)
***************************************************************************/
/* **************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
/* ----------------------------------------------------------------------- */
/* Classlist: List of classes that will be defined in this source file. */
/* ----------------------------------------------------------------------- */
/**
* CSourceEditWidget : Sourcode editor widget.
*/
/* ----------------------------------------------------------------------- */
/* Changelog: Description of important changes within this file. */
/* Please report with date, maintainer and change description. */
/* ----------------------------------------------------------------------- */
#ifndef SRCEDITWIDGET_H
#define SRCEDITWIDGET_H
class QListBox;
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
class CBasicDocument;
class CEditScrollWidget;
#include "../src/structs.h"
#include "../src/memory.h"
#include "../src/window_list.h"
#define CODE_COMPLETE_BLANK 1
#define CODE_COMPLETE_DOT 2
#define CODE_COMPLETE_BRACKET 3
#define CC_POPUP_NONE 0
#define CC_POPUP_LIST 1
#define CC_POPUP_TEXT 2
#define PUL_TYPE 1
#define PUL_CLASS 2
#define PUL_METHOD 3
#define PUL_EVENT 4
#define PUL_PROPERTY 5
#define PUL_COMP 6
#define PUL_REF 7
#define PUL_PINVOKE 8
#define PUL_UNDEF 9
#define PUL_INIT 10
#define PUL_FIELD 11
#define PUL_OVERRIDE 12
#define TAB_CHAR 9
#define BREAK_WGT_WIDTH 14
#define BREAK_WGT_COLOR QColor(210,210,210)
#define FOLD_WGT_WIDTH 11
#define FOLD_WGT_COLOR QColor(242,242,242)
#define CODE_COMPLETE_BLANK 1
#define CODE_COMPLETE_DOT 2
#define CODE_COMPLETE_BRACKET 3
#define CC_POPUP_NONE 0
#define CC_POPUP_LIST 1
#define CC_POPUP_TEXT 2
#define PUL_TYPE 1
#define PUL_CLASS 2
#define PUL_METHOD 3
#define PUL_EVENT 4
#define PUL_PROPERTY 5
#define PUL_COMP 6
#define COMMENT_TYPE_NONE 0
#define COMMENT_TYPE_LINE 1
#define COMMENT_TYPE_START 2
#define COMMENT_TYPE_END 3
#define PARSER_CODE_STRING 4
#define PARSER_CODE_IDF 5
#define PARSER_CODE_STDIDF 6
/* Structure used to store insert/delete text undo operations. */
typedef struct _EDIT_UNDO_TEXT EDIT_UNDO_TEXT;
struct _EDIT_UNDO_TEXT
{
CBasicDocument *source_ptr; // pointer to source description
long source_line_offset; // Start of source line where undo has been used
short curs_pos; // cursor pos in startline wher eundo occured
int undo_data_alloc; // number of allocated bytes in undo_data_ptr
int undo_data_used; // number of used signs in undo_data_ptr
};
class CSourceEditWidget : public CWindowListChild
{
Q_OBJECT
public:
CSourceEditWidget( QWidget *my_parent, CBasicDocument *srcptr );
void initEditor( void );
~CSourceEditWidget();
void closeEvent( QCloseEvent *e );
/* properties for the source_editor class */
public:
/* We use offsets instead of absolute positions because the */
/* memory block for the sourcecode may be reallocated every time. */
long cursor_line_offset; /* Start offset for cursor line. */
long first_scr_line_offset; /* Start offset for first screen line. */
char *getCursorLine( void );
char *getScreenStart( void );
short current_line_changed; /* TRUE if current line has been changed */
/* and changes haven't been stored yet. */
short curs_pos; /* Cursor position (character) in curr. line */
short last_pos; /* last used character position in curr. line */
short line_length;
short edit_fold_line; /* Used for folding source code lines. */
CBasicDocument *source_doc_ptr;
/* Pointer to token array for syntax highlightning / parser. */
char **token_strings;
short packed_line_format;
/* ------------------------------------------------- */
/* Size and position of marked block in source file. */
SOURCE_BLOCK_HEADER block_desc; /* Marked block description. */
int line_count; /* number of lines in source code */
short block_marked; /* TRUE if marked block exists */
CEditScrollWidget *main_view;
char *current_edit_line;
/* Widget for code completion popup. */
QWidget *code_compl_widget;
private:
short break_widget_width; // Width of breakpoint widget at left side
short fold_widget_width; // width of fold widget
/* First token found when parsing new line. */
/* Used to find keywords for indentation. */
short first_line_token;
short error_message_visible; /* TRUE if error message has been displayed. */
QFontMetrics *font_metrics;
QLabel *sizePreviewLabel;
/* Pointer to allowed sub description strings. */
QString *sew_code_sub_list;
/* Number of real lines in code_sub_list string. (used to compute size of widget) */
int sew_code_num_lines;
/* Type of popup used for code completion. */
short sew_code_compl_type;
/* Pointer to first entry for popup list. */
char *gl_cc_first_list_entry;
/* Position of current editor pos. in parameterlist. */
/* Startpos of list pos idf in lists. */
int sew_code_compl_edit_pos;
/* Cursor position for trigger widget. */
int sew_code_compl_start_curspos;
short current_line_compflags;
short current_line_editflags;
short lineend;
/* Range of lines in which the source code lines have to be marked. */
char *start_marked_lines;
char *end_marked_lines;
short current_line_marked; /* True if current edit line is marked line. */
short curs_pix_xpos; /* cursor x-position as pixel offset */
short curs_pix_ypos; /* cursor y-position as pixel offset */
short text_line_height; /* pixel height of one textline */
short char_width; /* Default width of one character. */
/* This doesn't work for proportional fonts. */
short current_line_number; /* Number of current line in file. */
short last_mouse_x;
short last_mouse_y;
QTimer *mouse_moved_timer;
QFont source_font;
QFont bold_font;
QColor bg_col; /* Background color */
WINDOW_DESC *my_window;
QPixmap *stop_pixmap;
QPixmap *arrow_pixmap;
QPixmap *arrow_stop_pixmap;
QLabel *preview_label;
QListBox *popup_listbox;
public:
void setEditFont( void );
void initSource( void );
void initParameter( void );
void windowTopped( void );
void setErrorLine( void );
void redrawScreen2( void );
void redrawScreen( QPainter *p, int cx, int cy, int cw, int ch );
int parse_new_line( char *readptr );
void storeCurrentLine( void );
void delete_block( short with_undo );
int unparseLine( char *start_line, char *write_ptr);
void undoInsertChar( long code_offset, short last_curs_pos, short new_char );
void undoDeleteChar( long code_offset, short last_curs_pos, short del_char );
void undo_create_block_delete( SOURCE_BLOCK_HEADER *block_desc_ptr, short cut_type );
void undo_create_block_insert( SOURCE_BLOCK_HEADER *block_desc_ptr, short block_holds_data );
void copySourceBuffer( void );
void moveScreenDown( void );
char *insertSourceLine( char *new_line );
void keyLeft( void );
void keyRight( void );
void keyUp( void );
short getCursorPos( void );
void moveCursorUp( void );
void keyDown( void );
void compCursYpos( char *start_line );
void setEditCursorPos( char *current_line, short curs_pos );
void redrawAllLines2( void );
void redrawAllLines( QPainter *p, int cx, int cy, int cw, int ch );
void drawCurrentLine( void );
void insertNewChar( short sign, bool with_undo );
void deleteChar( short direction, bool with_undo );
void removeErrorMessage( void );
void setCursorXPosition( int new_curs_pos );
void setCursorYPosition( int new_curs_line );
void handleMousePress( QMouseEvent *ev );
void handleMouseRelease( QMouseEvent *ev );
void deleteBlock( SOURCE_BLOCK_HEADER *block_desc_ptr, short with_undo, short paste );
void insertBlock( SOURCE_BLOCK_HEADER *sblock_ptr, short with_undo );
short getLastPos( void );
void setLastPos( short new_last_pos );
void viewportMouseMoveEvent(QMouseEvent* e);
void viewportMousePressEvent(QMouseEvent* e);
void viewportMouseReleaseEvent(QMouseEvent* e);
char *skipFoldedLines( char *start_ptr );
void setNewCurrentLine( char *start_line, short curspos_in_line );
char *getCurrentSourceLine();
void saveCurrentLineIfChanged( void );
void appendSourceLine( QFile *f, FILE_TAG_HEADER *file_info );
/* recompute number of lines (line_count) in source */
void countVisibleLines( void );
void appendPopupListEntry( int type, char *name );
void destroyPopupWidget( void );
void insertPopupText( void );
void keyReturn( void );
void makeEditLineVisible( char *source_line, short set_cursor );
void setCurrentSourceLine( char *new_source_line );
private:
void drawContents( QPainter *p, int cx, int cy, int cw, int ch);
void findMouseLine( int xpos, int ypos, char **lineptr, short *pos);
void markSelectedLines( short markflag );
void joinTwoLines( short is_backspace );
/* return number of lines in source code */
long getLineNumber( void );
void storeCurrentLine( bool with_preparse );
char *writeCommentSign( char *write_ptr, short sign );
void markCommentLinesForward( void );
void markCommentLinesBackward( void );
int isKeyword( char *start);
char *getLineStart( short line_number );
char *getNextVisibleLine( char *start_line );
char *getPreviousVisibleLine( char *start_line );
char *getCurrentLine();
void setCurrentLine( char *new_line_ptr );
short getCurrentChar();
void editDeleteChar( short direction, short width_undo );
void editInsertChar( short new_sign, short with_undo );
char *get_last_line_start( char *lineptr );
char *get_next_line_start( char *lineptr );
char *getSourceLine( void );
void drawColorLine( QPainter *p, char *start_line, int yoffset, int draw_cursor );
void drawColorLine( QPainter *p, char *start_line, int xoffset, int yoffset, int draw_cursor );
void drawColorLine3( QPainter *p, char *start_line, int xoffset, int yoffset, int draw_cursor );
void drawColorLine2( char *start_line, int yoffset, int draw_cursor );
void drawColorPart( QPainter *pbuf, short yoffset, short *skip, short *xpx);
void createSourcePopup( QPoint mouse_pos );
int isIdfCharacter( int sign );
void foldFollowingLines( char *line_ptr, short fold_flag );
void drawErrorLine( QPainter *p, char *start_line, int yoffset );
void unmarkLastSelectedBlock( void );
void setErrorCursorPos( char *error_pos );
void unmarkBlockLines( SOURCE_BLOCK_HEADER *block_desc_ptr );
short isIdentifier( char *line_ptr, short startpos);
QString *findVarAtMousepos( void );
void showVariableWidget( QString *var_name, QString *var_value );
bool appendUndoInsertPossible( void );
bool appendUndoDeletePossible( int type );
void createInsertUndoDescription( short sign );
void createDeleteUndoDescription( short sign, short direction );
char *getTypeText( short type );
void createPopupMethodText( char *method_desc_ptr );
VAR_DESC *findCodeComplClassVar( void );
void createPopup( int type );
void checkCodeCompletion( int type );
void reposPopupPosition( void );
void createTypePopup( void );
void createInheritsPopup( void );
void createVarClassPopup( CLASS_DESC *class_desc_ptr );
void createVarCompPopup( VAR_DESC *comp_var_desc );
void createVarUsertypePopup( TYPE_DESC *user_var_desc );
void createListBoxContents( QListBox *popup_listbox );
void createNetClassPopup( void );
void initPopupList( void );
short popupEntryNotExists( char *name );
void createNetClassVarPopup( void *class_desc );
void resizeEvent( QResizeEvent *evt );
public slots:
void mouseHasMoved();
void slotUnfoldAllLines( void );
void slotFoldAllLines( void );
};
#endif
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