author | sandman <sandman> | 2002-04-13 00:47:20 (UTC) |
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committer | sandman <sandman> | 2002-04-13 00:47:20 (UTC) |
commit | 98a1e3f36567639344f12932b629e526a8783aa8 (patch) (unidiff) | |
tree | 0433d296857faceeafc54f7deabddb621f45a933 /noncore/unsupported/qpdf/QPEOutputDev.cpp | |
parent | 7e31b1fba119f69929d6744d7295555ff1727f4f (diff) | |
download | opie-98a1e3f36567639344f12932b629e526a8783aa8.zip opie-98a1e3f36567639344f12932b629e526a8783aa8.tar.gz opie-98a1e3f36567639344f12932b629e526a8783aa8.tar.bz2 |
CVS import of QPdf
Diffstat (limited to 'noncore/unsupported/qpdf/QPEOutputDev.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/unsupported/qpdf/QPEOutputDev.cpp | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/noncore/unsupported/qpdf/QPEOutputDev.cpp b/noncore/unsupported/qpdf/QPEOutputDev.cpp new file mode 100644 index 0000000..8d4e68e --- a/dev/null +++ b/noncore/unsupported/qpdf/QPEOutputDev.cpp | |||
@@ -0,0 +1,181 @@ | |||
1 | #include <aconf.h> | ||
2 | |||
3 | #include "QPEOutputDev.h" | ||
4 | |||
5 | #include <qapplication.h> | ||
6 | #include <qlabel.h> | ||
7 | #include "qbusybar.h" | ||
8 | |||
9 | |||
10 | QPEOutputDev::QPEOutputDev ( QWidget *parent, const char *name ) : QOutputDev ( parent, name ) | ||
11 | { | ||
12 | m_counter = new QLabel ( this ); | ||
13 | m_counter-> setAlignment ( AlignCenter | SingleLine ); | ||
14 | |||
15 | m_busybar = new QBusyBar ( this ); | ||
16 | m_busybar-> setParameters ( 12, 8, 200 ); | ||
17 | m_busybar-> hide ( ); | ||
18 | |||
19 | setHScrollBarMode ( AlwaysOn ); | ||
20 | |||
21 | m_isbusy = false; | ||
22 | |||
23 | m_selectiondrag = false; | ||
24 | |||
25 | setFocusPolicy ( WheelFocus ); | ||
26 | } | ||
27 | |||
28 | void QPEOutputDev::startPage ( int pn, GfxState *st ) | ||
29 | { | ||
30 | m_selection = QRect ( ); | ||
31 | m_selectiondrag = false; | ||
32 | |||
33 | QOutputDev::startPage ( pn, st ); | ||
34 | } | ||
35 | |||
36 | |||
37 | void QPEOutputDev::setPageCount ( int actp, int maxp ) | ||
38 | { | ||
39 | m_counter-> setText ( QString ( "%1 / %2" ). arg ( actp ). arg ( maxp )); | ||
40 | } | ||
41 | |||
42 | void QPEOutputDev::setBusy ( bool b ) | ||
43 | { | ||
44 | if ( b != m_isbusy ) { | ||
45 | if ( b ) { | ||
46 | m_busybar-> beginBusy ( ); | ||
47 | m_busybar-> show ( ); | ||
48 | m_counter-> hide ( ); | ||
49 | } | ||
50 | else { | ||
51 | m_counter-> show ( ); | ||
52 | m_busybar-> hide ( ); | ||
53 | m_busybar-> endBusy ( ); | ||
54 | } | ||
55 | m_isbusy = b; | ||
56 | } | ||
57 | } | ||
58 | |||
59 | bool QPEOutputDev::isBusy ( ) const | ||
60 | { | ||
61 | return m_isbusy; | ||
62 | } | ||
63 | |||
64 | void QPEOutputDev::setHBarGeometry ( QScrollBar &hbar, int x, int y, int w, int h ) | ||
65 | { | ||
66 | int delta = w * 3 / 10; | ||
67 | |||
68 | m_counter-> setGeometry ( x, y, delta, h ); | ||
69 | m_busybar-> setGeometry ( x, y, delta, h ); | ||
70 | hbar. setGeometry ( x + delta, y, w - delta, h ); | ||
71 | } | ||
72 | |||
73 | |||
74 | void QPEOutputDev::keyPressEvent ( QKeyEvent *e ) | ||
75 | { | ||
76 | switch ( e-> key ( )) { | ||
77 | case Key_Left: | ||
78 | scrollBy ( -10, 0 ); | ||
79 | break; | ||
80 | case Key_Right: | ||
81 | scrollBy ( 10, 0 ); | ||
82 | break; | ||
83 | case Key_Up: | ||
84 | scrollBy ( 0, -10 ); | ||
85 | break; | ||
86 | case Key_Down: | ||
87 | scrollBy ( 0, 10 ); | ||
88 | break; | ||
89 | |||
90 | default: | ||
91 | QOutputDev::keyPressEvent ( e ); | ||
92 | } | ||
93 | } | ||
94 | |||
95 | |||
96 | void QPEOutputDev::drawContents ( QPainter *p, int clipx, int clipy, int clipw, int cliph ) | ||
97 | { | ||
98 | QOutputDev::drawContents ( p, clipx, clipy, clipw, cliph ); | ||
99 | |||
100 | if ( m_selection. isValid ( )) { | ||
101 | QRect clip ( clipx, clipy, clipw, cliph ); | ||
102 | |||
103 | if ( m_selection. intersects ( clip )) { | ||
104 | RasterOp rop = p-> rasterOp ( ); | ||
105 | |||
106 | p-> setRasterOp ( XorROP ); | ||
107 | p-> fillRect ( m_selection & clip, white ); | ||
108 | p-> setRasterOp ( rop ); | ||
109 | } | ||
110 | } | ||
111 | } | ||
112 | |||
113 | |||
114 | QRect QPEOutputDev::selection ( ) const | ||
115 | { | ||
116 | return m_selection; | ||
117 | } | ||
118 | |||
119 | |||
120 | void QPEOutputDev::setSelection ( const QRect &r, bool scrollto ) | ||
121 | { | ||
122 | QRect oldsel = m_selection; | ||
123 | m_selection = r; | ||
124 | |||
125 | QArray<QRect> urects = ( QRegion ( oldsel ) ^ QRegion ( m_selection )). rects ( ); | ||
126 | |||
127 | for ( uint i = 0; i < urects. count ( ); i++ ) | ||
128 | repaintContents ( urects [i] ); | ||
129 | |||
130 | if ( scrollto ) { | ||
131 | QPoint c = r. center ( ); | ||
132 | |||
133 | ensureVisible ( c. x ( ), c. y ( ), r. width ( ) / 2 + 5, r. height ( ) / 2 + 5 ); | ||
134 | } | ||
135 | |||
136 | if ( !m_selectiondrag ) | ||
137 | emit selectionChanged ( m_selection ); | ||
138 | } | ||
139 | |||
140 | |||
141 | void QPEOutputDev::viewportMousePressEvent ( QMouseEvent *e ) | ||
142 | { | ||
143 | if ( e-> button ( ) == LeftButton ) { | ||
144 | m_selectionstart = e-> pos ( ) + QPoint ( contentsX ( ), contentsY ( )); | ||
145 | m_selectioncursor = m_selectionstart; | ||
146 | m_selectiondrag = true; | ||
147 | |||
148 | setSelection ( QRect ( m_selectionstart, QSize ( 0, 0 )), true ); | ||
149 | } | ||
150 | } | ||
151 | |||
152 | void QPEOutputDev::viewportMouseMoveEvent ( QMouseEvent *e ) | ||
153 | { | ||
154 | if ( e-> state ( ) & LeftButton ) { | ||
155 | if ( m_selectiondrag ) { | ||
156 | QPoint to ( e-> pos ( ) + QPoint ( contentsX ( ), contentsY ( ))); | ||
157 | |||
158 | if ( to != m_selectioncursor ) { | ||
159 | setSelection ( QRect ( m_selectionstart, to ). normalize ( ), false ); | ||
160 | m_selectioncursor = to; | ||
161 | } | ||
162 | ensureVisible ( m_selectioncursor. x ( ), m_selectioncursor. y ( ), 5, 5 ); | ||
163 | } | ||
164 | } | ||
165 | } | ||
166 | |||
167 | |||
168 | void QPEOutputDev::viewportMouseReleaseEvent ( QMouseEvent *e ) | ||
169 | { | ||
170 | if ( e-> button ( ) == LeftButton ) { | ||
171 | if ( m_selectiondrag ) { | ||
172 | m_selectiondrag = false; | ||
173 | |||
174 | setSelection ( selection ( ), false ); // emit signal | ||
175 | } | ||
176 | else { | ||
177 | setSelection ( QRect ( 0, 0, 0, 0 ), false ); | ||
178 | } | ||
179 | } | ||
180 | } | ||
181 | |||