summaryrefslogtreecommitdiffstats
path: root/languages/cpp/debugger/gdboutputwidget.h
blob: ddf79823b9722a1955e14ccd43e04a6d0d3b577a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
// *************************************************************************
//                          gdboutputwidget.cpp  -  description
//                             -------------------
//    begin                : 10th April 2003
//    copyright            : (C) 2003 by John Birch
//    email                : jbb@kdevelop.org
// **************************************************************************
//
// **************************************************************************
// *                                                                        *
// *   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.                                  *
// *                                                                        *
// **************************************************************************

#ifndef _GDBOUTPUTWIDGET_H_
#define _GDBOUTPUTWIDGET_H_

#include <qwidget.h>
#include <qtextedit.h>
#include <qtimer.h>
#include <qstringlist.h>

class KHistoryCombo;

class QTextEdit;
class QToolButton;
class QDomElement;

namespace GDBDebugger
{

class GDBOutputWidget : public QWidget
{
    Q_OBJECT

public:
    GDBOutputWidget( QWidget *parent=0, const char *name=0 );
    ~GDBOutputWidget();

    void savePartialProjectSession(QDomElement* el);
    void restorePartialProjectSession(const QDomElement* el);

    void clear();

public slots:
    void slotInternalCommandStdout(const char* line);
    void slotUserCommandStdout(const char* line);
    void slotReceivedStderr(const char* line);
    void slotDbgStatus     (const QString &status, int statusFlag);

    void slotGDBCmd();

    void flushPending();

protected:
    virtual void focusInEvent(QFocusEvent *e);

signals:
    void userGDBCmd(const QString &cmd);
    void breakInto();

private:

    QString html_escape(const QString& s);

    void newStdoutLine(const QString& line, bool internal);

    /** Arranges for 'line' to be shown to the user.
        Adds 'line' to pendingOutput_ and makes sure
        updateTimer_ is running. */
    void showLine(const QString& line);

    /** Makes 'l' no longer then 'max_size' by
        removing excessive elements from the top.
    */
    void trimList(QStringList& l, unsigned max_size);

    KHistoryCombo*  m_userGDBCmdEditor;
    QToolButton*    m_Interrupt;
    QTextEdit*      m_gdbView;

    void setShowInternalCommands(bool);
    friend class OutputText;

    /** The output from user commands only and from
        all commands. We keep it here so that if we switch
        "Show internal commands" on, we can show previous 
        internal commands. 
    */
    QStringList userCommands_, allCommands_;
    /** Same output, without any fancy formatting.  Keeping it
        here because I can't find any way to extract raw text,
        without formatting, out of QTextEdit except for
        selecting everything and calling 'copy()'. The latter
        approach is just ugly.  */
    QStringList userCommandsRaw_, allCommandsRaw_;


    /** For performance reasons, we don't immediately add new text
        to QTExtEdit. Instead we add it to pendingOutput_ and 
        flush it on timer.
    */
    QString pendingOutput_;
    QTimer updateTimer_;

    bool showInternalCommands_;

    int maxLines_;
};

/** Add popup menu specific to gdb output window to QTextEdit.
*/
class OutputText : public QTextEdit
{
    Q_OBJECT
public:
    OutputText(GDBOutputWidget* parent) 
    : QTextEdit(parent), 
      parent_(parent)
    {}

    QPopupMenu* createPopupMenu(const QPoint& pos);

private slots:
    void copyAll();
    void toggleShowInternalCommands();

private:
    GDBOutputWidget* parent_;
};

}

#endif