1 /*
2 
3 Copyright (c) 2003-2013 uim Project https://github.com/uim/uim
4 
5 All rights reserved.
6 
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions
9 are met:
10 
11 1. Redistributions of source code must retain the above copyright
12 notice, this list of conditions and the following disclaimer.
13 2. Redistributions in binary form must reproduce the above copyright
14 notice, this list of conditions and the following disclaimer in the
15 documentation and/or other materials provided with the distribution.
16 3. Neither the name of authors nor the names of its contributors
17 may be used to endorse or promote products derived from this software
18 without specific prior written permission.
19 
20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
21 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE
24 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 SUCH DAMAGE.
31 
32 */
33 #ifndef UIM_QT_IMMODULE_CANDIDATE_WINDOW_H
34 #define UIM_QT_IMMODULE_CANDIDATE_WINDOW_H
35 
36 #include <uim/uim.h>
37 
38 #include <qvbox.h>
39 #include <qlistview.h>
40 #include <qvaluelist.h>
41 #include <qevent.h>
42 #include <qfontmetrics.h>
43 
44 class QLabel;
45 
46 class QUimInputContext;
47 class CandidateListView;
48 class SubWindow;
49 
50 class CandidateWindow : public QVBox
51 {
52     Q_OBJECT
53 
54 public:
55     CandidateWindow( QWidget *parent, const char * name = 0 );
56     ~CandidateWindow();
57 
58     void activateCandwin( int dLimit );
59     void deactivateCandwin();
60     void clearCandidates();
61     void popup();
62 
setAlwaysLeftPosition(bool left)63     void setAlwaysLeftPosition( bool left ) { isAlwaysLeft = left; }
isAlwaysLeftPosition()64     bool isAlwaysLeftPosition() const { return isAlwaysLeft; }
65 
66     void setCandidates( int displayLimit, const QValueList<uim_candidate> &candidates );
67     void setPage( int page );
68     void shiftPage( bool forward );
69     void layoutWindow( int x, int y, int w, int h );
70     void setIndex( int totalindex );
71     void setIndexInPage( int index );
72 
73     void setNrCandidates( int nrCands, int dLimit );
74     void setPageCandidates( int page, const QValueList<uim_candidate> &candidates );
75 
setQUimInputContext(QUimInputContext * m_ic)76     void setQUimInputContext( QUimInputContext* m_ic ) { ic = m_ic; }
77 
78     QSize sizeHint(void) const;
79 
80     int nrCandidates;
81     int candidateIndex;
82     int displayLimit;
83     int pageIndex;
84 protected slots:
85     void slotCandidateSelected( QListViewItem* );
86     void slotHookSubwindow( QListViewItem* );
87 
88 protected:
89     void updateLabel();
90 
91     // Moving and Resizing affects the positon of Subwindow
92     virtual void moveEvent( QMoveEvent * );
93     virtual void resizeEvent( QResizeEvent * );
94 
95     QUimInputContext *ic;
96 
97     CandidateListView *cList;
98     QLabel *numLabel;
99 
100     QValueList<uim_candidate> stores;
101 
102     bool isAlwaysLeft;
103 
104     SubWindow *subWin;
105 };
106 
107 
108 class CandidateListView : public QListView
109 {
110     Q_OBJECT
111 
112 public:
QListView(parent,name,f)113     CandidateListView( QWidget *parent, const char *name = 0, WFlags f = 0 ) : QListView( parent, name, f ) {}
~CandidateListView()114     ~CandidateListView() {}
115 
itemIndex(const QListViewItem * item)116     int itemIndex( const QListViewItem *item ) const
117     {
118         if ( !item )
119             return -1;
120         if ( item == firstChild() )
121             return 0;
122         else
123         {
124             QListViewItemIterator it( firstChild() );
125             uint j = 0;
126             for ( ; it.current() && it.current() != item; ++it, ++j )
127                 ;
128             if ( !it.current() )
129                 return -1;
130             return j;
131         }
132     }
133 
itemAtIndex(int index)134     QListViewItem* itemAtIndex( int index ) const
135     {
136         if ( index < 0 )
137             return 0;
138         int j = 0;
139         for ( QListViewItemIterator it = firstChild(); it.current(); ++it )
140         {
141             if ( j == index )
142                 return it.current();
143             j++;
144         }
145 
146         return 0;
147     }
148 
149     QSize sizeHint( void ) const;
150 };
151 #endif /* Not def: UIM_QT_IMMODULE_CANDIDATE_WINDOW_H */
152