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kpanelapplet.cpp
1 /*****************************************************************
2 
3 Copyright (c) 2000 Matthias Elter
4 
5 Permission is hereby granted, free of charge, to any person obtaining a copy
6 of this software and associated documentation files (the "Software"), to deal
7 in the Software without restriction, including without limitation the rights
8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 copies of the Software, and to permit persons to whom the Software is
10 furnished to do so, subject to the following conditions:
11 
12 The above copyright notice and this permission notice shall be included in
13 all copies or substantial portions of the Software.
14 
15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
19 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 
22 ******************************************************************/
23 
24 #include <tqptrlist.h>
25 
26 #include "kpanelapplet.h"
27 #include "kpanelapplet.moc"
28 #include <tdeapplication.h>
29 #include <tdeconfig.h>
30 
31 class KPanelApplet::KPanelAppletPrivate
32 {
33 public:
34  KPanelAppletPrivate()
35  : customMenu(0),
36  hasFocus(false)
37  {}
38 
39  const TQPopupMenu* customMenu;
40  TDESharedConfig::Ptr sharedConfig;
41  TQPtrList<TQObject> watchedForFocus;
42  bool hasFocus;
43 };
44 
45 KPanelApplet::KPanelApplet(const TQString& configFile, Type type,
46  int actions, TQWidget *parent, const char *name, WFlags f)
47  : TQFrame(parent, name, f)
48  , _type(type)
49  , _position( pBottom )
50  , _alignment( LeftTop )
51  , _config(0)
52  , _actions(actions)
53  , d(new KPanelApplet::KPanelAppletPrivate())
54 {
55  setFrameStyle(NoFrame);
56  TQPalette pal(palette());
57  if(pal.active().mid() != pal.inactive().mid()){
58  pal.setInactive(pal.active());
59  setPalette(pal);
60  }
61  setBackgroundOrigin( AncestorOrigin );
62 
63  d->sharedConfig = TDESharedConfig::openConfig(configFile, kapp && kapp->config()->isImmutable());
64  _config = d->sharedConfig;
65 }
66 
67 KPanelApplet::~KPanelApplet()
68 {
69  d->watchedForFocus.clear();
70  needsFocus(false);
71  delete d;
72 }
73 
74 void KPanelApplet::setPosition( Position p )
75 {
76  if( _position == p ) return;
77  _position = p;
78  positionChange( p );
79 }
80 
81 void KPanelApplet::setAlignment( Alignment a )
82 {
83  if( _alignment == a ) return;
84  _alignment = a;
85  alignmentChange( a );
86 }
87 
88 // FIXME: Remove implementation for KDE 4
89 void KPanelApplet::positionChange( Position )
90 {
91  orientationChange( orientation() );
92  TQResizeEvent e( size(), size() );
93  resizeEvent( &e );
94  popupDirectionChange( popupDirection() );
95 }
96 
97 Qt::Orientation KPanelApplet::orientation() const
98 {
99  if( _position == pTop || _position == pBottom ) {
100  return Qt::Horizontal;
101  } else {
102  return Qt::Vertical;
103  }
104 }
105 
106 // FIXME: Remove for KDE 4
107 KPanelApplet::Direction KPanelApplet::popupDirection()
108 {
109  switch( _position ) {
110  case pTop: return Down;
111  case pRight: return Left;
112  case pLeft: return Right;
113  default:
114  case pBottom: return Up;
115  }
116 }
117 
118 void KPanelApplet::action( Action a )
119 {
120  if ( (a & About) )
121  about();
122  if ( (a & Help) )
123  help();
124  if ( (a & Preferences) )
125  preferences();
126  if ( (a & ReportBug) )
127  reportBug();
128 }
129 
130 const TQPopupMenu* KPanelApplet::customMenu() const
131 {
132  return d->customMenu;
133 }
134 
135 void KPanelApplet::setCustomMenu(const TQPopupMenu* menu)
136 {
137  d->customMenu = menu;
138 }
139 
140 void KPanelApplet::watchForFocus(TQWidget* widget, bool watch)
141 {
142  if (!widget)
143  {
144  return;
145  }
146 
147  if (watch)
148  {
149  if (d->watchedForFocus.find(TQT_TQOBJECT(widget)) == -1)
150  {
151  d->watchedForFocus.append(TQT_TQOBJECT(widget));
152  widget->installEventFilter(this);
153  }
154  }
155  else if (d->watchedForFocus.find(TQT_TQOBJECT(widget)) != -1)
156  {
157  d->watchedForFocus.remove(TQT_TQOBJECT(widget));
158  widget->removeEventFilter(this);
159  }
160 }
161 
162 void KPanelApplet::needsFocus(bool focus)
163 {
164  if (focus == d->hasFocus)
165  {
166  return;
167  }
168 
169  d->hasFocus = focus;
170  emit requestFocus(focus);
171 }
172 
173 bool KPanelApplet::eventFilter(TQObject *o, TQEvent * e)
174 {
175  if (d->watchedForFocus.find(o) != -1)
176  {
177  if (e->type() == TQEvent::MouseButtonRelease ||
178  e->type() == TQEvent::FocusIn)
179  {
180  needsFocus(true);
181  }
182  else if (e->type() == TQEvent::FocusOut)
183  {
184  needsFocus(false);
185  }
186  }
187 
188  return TQFrame::eventFilter(o, e);
189 }
190 
191 TDESharedConfig::Ptr KPanelApplet::sharedConfig() const
192 {
193  return d->sharedConfig;
194 }
195 
196 void KPanelApplet::virtual_hook( int, void* )
197 { /*BASE::virtual_hook( id, data );*/ }
198 
KPanelApplet::~KPanelApplet
~KPanelApplet()
Destructor.
Definition: kpanelapplet.cpp:67
KPanelApplet::watchForFocus
void watchForFocus(TQWidget *widget, bool watch=true)
Register widgets that can receive keyboard focus with this this method This call results in an eventF...
Definition: kpanelapplet.cpp:140
TDESharedConfig::openConfig
static TDESharedConfig::Ptr openConfig(const TQString &fileName, bool readOnly=false, bool bUseKDEGlobals=true)
KPanelApplet::help
virtual void help()
Is called when the user selects "Help" from the applet's RMB menu.
Definition: kpanelapplet.h:281
KPanelApplet::orientationChange
virtual KDE_DEPRECATED void orientationChange(Orientation)
The orientation changed to orientation.
Definition: kpanelapplet.h:364
Vertical
KPanelApplet::about
virtual void about()
Is called when the user selects "About" from the applet's RMB menu.
Definition: kpanelapplet.h:272
KPanelApplet
TDE Panel Applet class
Definition: kpanelapplet.h:97
KPanelApplet::setCustomMenu
void setCustomMenu(const TQPopupMenu *)
Use this method to set the custom menu for this applet so that it can be shown in the applet handle m...
Definition: kpanelapplet.cpp:135
KPanelApplet::setAlignment
void setAlignment(Alignment a)
Definition: kpanelapplet.cpp:81
KPanelApplet::alignmentChange
virtual void alignmentChange(Alignment)
The panel on which this applet resides has changed its alignment.
Definition: kpanelapplet.h:327
KPanelApplet::Type
Type
This enum describes the type of the applet.
Definition: kpanelapplet.h:106
KPanelApplet::Action
Action
This enum holds flags which can be ORed together to describe which items the context menu over the ap...
Definition: kpanelapplet.h:112
KPanelApplet::setPosition
void setPosition(Position p)
Definition: kpanelapplet.cpp:74
KPanelApplet::preferences
virtual void preferences()
Is called when the user selects "Preferences" from the applet's RMB menu.
Definition: kpanelapplet.h:290
KPanelApplet::orientation
Orientation orientation() const
Definition: kpanelapplet.cpp:97
KPanelApplet::popupDirection
Direction popupDirection()
A convenience method that translates the position of the applet into which direction to show a popup...
Definition: kpanelapplet.cpp:107
KPanelApplet::action
virtual void action(Action a)
Generic action dispatcher.
Definition: kpanelapplet.cpp:118
KPanelApplet::KPanelApplet
KPanelApplet(const TQString &configFile, Type t=Normal, int actions=0, TQWidget *parent=0, const char *name=0, WFlags f=0)
Constructs a KPanelApplet just like any other widget.
Definition: kpanelapplet.cpp:45
KPanelApplet::reportBug
virtual void reportBug()
Is called when the user selects "Report bug" from the applet's RMB menu.
Definition: kpanelapplet.h:300
KPanelApplet::popupDirectionChange
virtual KDE_DEPRECATED void popupDirectionChange(Direction)
The popup direction changed to direction.
Definition: kpanelapplet.h:379
Horizontal
KPanelApplet::needsFocus
void needsFocus(bool focus)
Call this whenever focus is needed or not needed.
Definition: kpanelapplet.cpp:162
KPanelApplet::requestFocus
void requestFocus()
Request keyboard focus from the panel.
KPanelApplet::customMenu
const TQPopupMenu * customMenu() const
Definition: kpanelapplet.cpp:130
KPanelApplet::positionChange
virtual void positionChange(Position p)
The panel on which this applet resides has changed its position.
Definition: kpanelapplet.cpp:89

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