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Diffstat (limited to 'konsole/konsole/TEWidget.h')
| -rw-r--r-- | konsole/konsole/TEWidget.h | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/konsole/konsole/TEWidget.h b/konsole/konsole/TEWidget.h new file mode 100644 index 000000000..bb4d2c610 --- /dev/null +++ b/konsole/konsole/TEWidget.h @@ -0,0 +1,335 @@ +/* + This file is part of Konsole, an X terminal. + Copyright (C) 1997,1998 by Lars Doelle <lars.doelle@on-line.de> + + 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. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301 USA. +*/ + +#ifndef TE_WIDGET_H +#define TE_WIDGET_H + +#include <qbitarray.h> +#include <qwidget.h> +#include <qcolor.h> +#include <qkeycode.h> +#include <qtimer.h> +#include <qscrollbar.h> + +#include <kpopupmenu.h> + +#include "TECommon.h" + + +extern unsigned short vt100_graphics[32]; + +class Konsole; +class QLabel; +class QTimer; + +class TEWidget : public QFrame +// a widget representing attributed text +{ + Q_OBJECT + + friend class Konsole; +public: + + TEWidget(QWidget *parent=0, const char *name=0); + virtual ~TEWidget(); + + void setBlendColor(const QRgb color) { blend_color = color; } + + void setDefaultBackColor(const QColor& color); + QColor getDefaultBackColor(); + + const ColorEntry* getColorTable() const; + void setColorTable(const ColorEntry table[]); + + void setScrollbarLocation(int loc); + int getScrollbarLocation() { return scrollLoc; } + enum { SCRNONE=0, SCRLEFT=1, SCRRIGHT=2 }; + + void setScroll(int cursor, int lines); + void doScroll(int lines); + + bool blinkingCursor() { return hasBlinkingCursor; } + void setBlinkingCursor(bool blink); + + void setCtrlDrag(bool enable) { ctrldrag=enable; } + bool ctrlDrag() { return ctrldrag; } + + void setCutToBeginningOfLine(bool enable) { cuttobeginningofline=enable; } + bool cutToBeginningOfLine() { return cuttobeginningofline; } + + void setLineSpacing(uint); + uint lineSpacing() const; + + void emitSelection(bool useXselection,bool appendReturn); + void emitText(QString text); + + void setImage(const ca* const newimg, int lines, int columns); + void setLineWrapped(QBitArray line_wrapped) { m_line_wrapped=line_wrapped; } + + void setCursorPos(const int curx, const int cury); + + int Lines() { return lines; } + int Columns() { return columns; } + + int fontHeight() { return font_h; } + int fontWidth() { return font_w; } + + void calcGeometry(); + void propagateSize(); + void updateImageSize(); + void setSize(int cols, int lins); + void setFixedSize(int cols, int lins); + QSize sizeHint() const; + + void setWordCharacters(QString wc); + QString wordCharacters() { return word_characters; } + + void setBellMode(int mode); + int bellMode() { return m_bellMode; } + enum { BELLSYSTEM=0, BELLNOTIFY=1, BELLVISUAL=2, BELLNONE=3 }; + void Bell(bool visibleSession, QString message); + + void setSelection(const QString &t); + + /** + * Reimplemented. Has no effect. Use setVTFont() to change the font + * used to draw characters in the display. + */ + virtual void setFont(const QFont &); + + /** Returns the font used to draw characters in the display */ + QFont getVTFont() { return font(); } + + /** + * Sets the font used to draw the display. Has no effect if @p font + * is larger than the size of the display itself. + */ + void setVTFont(const QFont& font); + + void setMouseMarks(bool on); + static void setAntialias( bool enable ) { s_antialias = enable; } + static bool antialias() { return s_antialias; } + static void setStandalone( bool standalone ) { s_standalone = standalone; } + static bool standalone() { return s_standalone; } + + void setTerminalSizeHint(bool on) { terminalSizeHint=on; } + bool isTerminalSizeHint() { return terminalSizeHint; } + void setTerminalSizeStartup(bool on) { terminalSizeStartup=on; } + + void setBidiEnabled(bool set) { bidiEnabled=set; } + bool isBidiEnabled() { return bidiEnabled; } + + void print(QPainter &paint, bool friendly, bool exact); + + void setRim(int rim) { rimX=rim; rimY=rim; } + +public slots: + + void setSelectionEnd(); + void copyClipboard(); + void pasteClipboard(); + void pasteSelection(); + void onClearSelection(); + +signals: + + void keyPressedSignal(QKeyEvent *e); + void mouseSignal(int cb, int cx, int cy); + void changedFontMetricSignal(int height, int width); + void changedContentSizeSignal(int height, int width); + void changedHistoryCursor(int value); + void configureRequest( TEWidget*, int state, int x, int y ); + + void copySelectionSignal(); + void clearSelectionSignal(); + void beginSelectionSignal( const int x, const int y, const bool columnmode ); + void extendSelectionSignal( const int x, const int y ); + void endSelectionSignal(const bool preserve_line_breaks); + void isBusySelecting(bool); + void testIsSelected(const int x, const int y, bool &selected /* result */); + void sendStringToEmu(const char*); + +protected: + + virtual void styleChange( QStyle& ); + + bool eventFilter( QObject *, QEvent * ); + bool event( QEvent * ); + + void drawTextFixed(QPainter &paint, int x, int y, + QString& str, const ca *attr); + + void drawAttrStr(QPainter &paint, QRect rect, + QString& str, const ca *attr, bool pm, bool clear); + void paintEvent( QPaintEvent * ); + + void paintContents(QPainter &paint, const QRect &rect, bool pm=false); + + void resizeEvent(QResizeEvent*); + + void fontChange(const QFont &font); + void frameChanged(); + + void mouseDoubleClickEvent(QMouseEvent* ev); + void mousePressEvent( QMouseEvent* ); + void mouseReleaseEvent( QMouseEvent* ); + void mouseMoveEvent( QMouseEvent* ); + void extendSelection( QPoint pos ); + void wheelEvent( QWheelEvent* ); + + void focusInEvent( QFocusEvent * ); + void focusOutEvent( QFocusEvent * ); + bool focusNextPrevChild( bool next ); + // Dnd + void dragEnterEvent(QDragEnterEvent* event); + void dropEvent(QDropEvent* event); + void doDrag(); + enum DragState { diNone, diPending, diDragging }; + + struct _dragInfo { + DragState state; + QPoint start; + QTextDrag *dragObject; + } dragInfo; + + virtual int charClass(UINT16) const; + + void clearImage(); + + void mouseTripleClickEvent(QMouseEvent* ev); + + void imStartEvent( QIMEvent *e ); + void imComposeEvent( QIMEvent *e ); + void imEndEvent( QIMEvent *e ); + +protected slots: + + void scrollChanged(int value); + void blinkEvent(); + void blinkCursorEvent(); + +private: + +// QChar (*fontMap)(QChar); // possible vt100 font extension + + bool fixed_font; // has fixed pitch + int font_h; // height + int font_w; // width + int font_a; // ascend + + int bX; // offset + int bY; // offset + + int lines; + int columns; + int contentHeight; + int contentWidth; + ca *image; // [lines][columns] + int image_size; + QBitArray m_line_wrapped; + + ColorEntry color_table[TABLE_COLORS]; + QColor defaultBgColor; + + bool resizing; + bool terminalSizeHint,terminalSizeStartup; + bool bidiEnabled; + bool mouse_marks; + + void makeImage(); + + QPoint iPntSel; // initial selection point + QPoint pntSel; // current selection point + QPoint tripleSelBegin; // help avoid flicker + int actSel; // selection state + bool word_selection_mode; + bool line_selection_mode; + bool preserve_line_breaks; + bool column_selection_mode; + + QClipboard* cb; + QScrollBar* scrollbar; + int scrollLoc; + QString word_characters; + QTimer bellTimer; //used to rate-limit bell events. started when a bell event occurs, + //and prevents further bell events until it stops + int m_bellMode; + + bool blinking; // hide text in paintEvent + bool hasBlinker; // has characters to blink + bool cursorBlinking; // hide cursor in paintEvent + bool hasBlinkingCursor; // has blinking cursor enabled + bool ctrldrag; // require Ctrl key for drag + bool cuttobeginningofline; // triple click only selects forward + bool isBlinkEvent; // paintEvent due to blinking. + bool isPrinting; // Paint job is intended for printer + bool printerFriendly; // paint printer friendly, save ink + bool printerBold; // Use a bold font instead of overstrike for bold + bool isFixedSize; //Columns / lines are locked. + QTimer* blinkT; // active when hasBlinker + QTimer* blinkCursorT; // active when hasBlinkingCursor + + KPopupMenu* m_drop; + QString dropText; + int m_dnd_file_count; + + bool possibleTripleClick; // is set in mouseDoubleClickEvent and deleted + // after QApplication::doubleClickInterval() delay + + static bool s_antialias; // do we antialias or not + static bool s_standalone; // are we part of a standalone konsole? + + QFrame *mResizeWidget; + QLabel *mResizeLabel; + QTimer *mResizeTimer; + + uint m_lineSpacing; + + QRect cursorRect; //for quick changing of cursor + + QPoint configureRequestPoint; // remember right mouse button click position + bool colorsSwapped; // true during visual bell + + // the rim should normally be 1, 0 only when running in full screen mode. + int rimX; // left/right rim width + int rimY; // top/bottom rim high + QSize m_size; + + QString m_imPreeditText; + int m_imPreeditLength; + int m_imStart; + int m_imStartLine; + int m_imEnd; + int m_imSelStart; + int m_imSelEnd; + int m_cursorLine; + int m_cursorCol; + bool m_isIMEdit; + bool m_isIMSel; + + QRgb blend_color; + +private slots: + void drop_menu_activated(int item); + void swapColorTable(); + void tripleClickTimeout(); // resets possibleTripleClick +}; + +#endif // TE_WIDGET_H |