libyui-qt
2.43.5
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00001 /* 00002 Copyright (C) 2000-2012 Novell, Inc 00003 This library is free software; you can redistribute it and/or modify 00004 it under the terms of the GNU Lesser General Public License as 00005 published by the Free Software Foundation; either version 2.1 of the 00006 License, or (at your option) version 3.0 of the License. This library 00007 is distributed in the hope that it will be useful, but WITHOUT ANY 00008 WARRANTY; without even the implied warranty of MERCHANTABILITY or 00009 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00010 License for more details. You should have received a copy of the GNU 00011 Lesser General Public License along with this library; if not, write 00012 to the Free Software Foundation, Inc., 51 Franklin Street, Fifth 00013 Floor, Boston, MA 02110-1301 USA 00014 */ 00015 00016 00017 /*-/ 00018 00019 File: YQLogView.h 00020 00021 Author: Stefan Hundhammer <sh@suse.de> 00022 00023 /-*/ 00024 00025 00026 #ifndef YQLogView_h 00027 #define YQLogView_h 00028 00029 #include <QFrame> 00030 #include <QTextEdit> 00031 00032 #include <yui/YLogView.h> 00033 00034 class YQWidgetCaption; 00035 class MyTextEdit; 00036 00037 00038 00039 class YQLogView : public QFrame, public YLogView 00040 { 00041 Q_OBJECT 00042 00043 public: 00044 00045 /** 00046 * Constructor 00047 **/ 00048 YQLogView( YWidget * parent, 00049 const std::string & label, 00050 int visibleLines, 00051 int maxLines ); 00052 00053 /** 00054 * Destructor. 00055 **/ 00056 virtual ~YQLogView(); 00057 00058 protected: 00059 /** 00060 * Display the part of the log text that should be displayed. 00061 * 'text' contains the last 'visibleLines()' lines. 00062 * This is called whenever the log text changes. Note that the text might 00063 * also be empty, in which case the displayed log text should be cleared. 00064 * 00065 * Implemented from YLogView. 00066 **/ 00067 virtual void displayLogText( const std::string & text ); 00068 00069 public: 00070 00071 /** 00072 * Set the label (the caption above the log text). 00073 * 00074 * Reimplemented from YLogView. 00075 **/ 00076 virtual void setLabel( const std::string & label ); 00077 00078 /** 00079 * Set enabled/disabled state. 00080 * 00081 * Reimplemented from YWidget. 00082 **/ 00083 virtual void setEnabled( bool enabled ); 00084 00085 /** 00086 * Preferred width of the widget. 00087 * 00088 * Reimplemented from YWidget. 00089 **/ 00090 virtual int preferredWidth(); 00091 00092 /** 00093 * Preferred height of the widget. 00094 * 00095 * Reimplemented from YWidget. 00096 **/ 00097 virtual int preferredHeight(); 00098 00099 /** 00100 * Set the new size of the widget. 00101 * 00102 * Reimplemented from YWidget. 00103 **/ 00104 virtual void setSize( int newWidth, int newHeight ); 00105 00106 /** 00107 * Accept the keyboard focus. 00108 **/ 00109 virtual bool setKeyboardFocus(); 00110 00111 00112 protected: 00113 00114 YQWidgetCaption * _caption; 00115 MyTextEdit * _qt_text; 00116 QString _lastText; 00117 00118 private slots: 00119 void slotResize(); 00120 00121 }; 00122 00123 00124 // We need a resize event in order to set the cursor to the last line 00125 // for the auto-scroll feature 00126 class MyTextEdit : public QTextEdit 00127 { 00128 Q_OBJECT 00129 public: 00130 MyTextEdit( QWidget* parent ) : QTextEdit (parent) {} 00131 00132 protected: 00133 void resizeEvent ( QResizeEvent * event ) 00134 { emit resized(); 00135 QTextEdit::resizeEvent(event); 00136 } 00137 00138 signals: 00139 void resized(); 00140 00141 }; 00142 00143 00144 #endif // YQLogView_h