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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
|
/*
� � � � � � � � This file is part of the Opie Project
=. (C) 2002-2005 the Opie Team <opie-devel@handhelds.org>
.=l.
� � � � � �.>+-=
�_;:, � � .> � �:=|. This program is free software; you can
.> <`_, � > �. � <= redistribute it and/or modify it under
:`=1 )Y*s>-.-- � : the terms of the GNU Library General Public
.="- .-=="i, � � .._ License as published by the Free Software
�- . � .-<_> � � .<> Foundation; either version 2 of the License,
� � �._= =} � � � : or (at your option) any later version.
� � .%`+i> � � � _;_.
� � .i_,=:_. � � �-<s. This program is distributed in the hope that
� � �+ �. �-:. � � � = it will be useful, but WITHOUT ANY WARRANTY;
� � : .. � �.:, � � . . . without even the implied warranty of
� � =_ � � � �+ � � =;=|` MERCHANTABILITY or FITNESS FOR A
� _.=:. � � � : � �:=>`: PARTICULAR PURPOSE. See the GNU
..}^=.= � � � = � � � ; Library General Public License for more
++= � -. � � .` � � .: details.
�: � � = �...= . :.=-
�-. � .:....=;==+<; You should have received a copy of the GNU
� -_. . . � )=. �= Library General Public License along with
� � -- � � � �:-=` this library; see the file COPYING.LIB.
If not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "oledbox.h"
/* QT */
#include <qbitmap.h>
#include <qpainter.h>
namespace Opie {
namespace Ui {
/* XPM */
static const char * ledborder_xpm[] = {
"16 16 11 1",
" c None",
". c #626562",
"+ c #7B7D7B",
"@ c #949594",
"# c #ACAEAC",
"$ c #CDCACD",
"% c #CDCECD",
"; c #E6E6E6",
"> c #FFFFFF",
", c #E6E2E6",
"' c #FFFAFF",
" .++@@# ",
" ...++@@##$ ",
" .....+@##$$% ",
" ..... #$%%% ",
" ... %%; ",
".... ;;;;",
"++. ;>>",
"+++ >>>",
"@@@ >>>",
"@@# >>>",
"#### >>>>",
" #$$ >>> ",
" $$,,' >>>>> ",
" ,,,''>>>>>>> ",
" ,''>>>>>>> ",
" '>>>>> "};
QPixmap *OLedBox::s_border_pix = 0;
OLedBox::OLedBox ( const QColor &col, QWidget *parent, const char *name ) : QWidget ( parent, name )
{
m_color = col;
m_on = false;
m_readonly = true;
m_pix [ 0 ] = m_pix [ 1 ] = 0;
setBackgroundMode ( PaletteBackground );
if ( !s_border_pix )
s_border_pix = new QPixmap( ledborder_xpm );
}
OLedBox::~OLedBox ( )
{
delete m_pix [ 0 ];
delete m_pix [ 1 ];
}
QSize OLedBox::sizeHint ( ) const
{
return QSize ( 16, 16 );
}
bool OLedBox::isOn ( ) const
{
return m_on;
}
QColor OLedBox::color ( ) const
{
return m_color;
}
void OLedBox::setOn ( bool b )
{
if ( m_on != b ) {
m_on = b;
update ( );
}
}
void OLedBox::toggle ( )
{
setOn ( !isOn ( ) );
}
void OLedBox::setColor ( const QColor &col )
{
if ( m_color != col ) {
m_color = col;
delete m_pix [ 0 ];
delete m_pix [ 1 ];
m_pix[0] = m_pix[1] = 0;
update ( );
}
}
void OLedBox::mousePressEvent ( QMouseEvent *e )
{
if ( ! m_readonly &&
e-> button ( ) == LeftButton ) {
m_on = !m_on;
update ( );
emit toggled ( m_on );
}
}
void OLedBox::resizeEvent ( QResizeEvent * )
{
delete m_pix [ 0 ];
delete m_pix [ 1 ];
m_pix[0] = m_pix[1] = 0;
update ( );
}
void OLedBox::paintEvent ( QPaintEvent *e )
{
int ind = m_on ? 1 : 0;
if ( !m_pix [ ind ] ) {
m_pix [ ind ] = new QPixmap ( size ( ));
drawLed ( m_pix [ ind ], m_on ? m_color : m_color. dark ( 300 ) );
}
if ( !e-> erased ( ))
erase ( );
QPainter p ( this );
p. drawPixmap ( 0, 0, *m_pix [ ind ] );
}
void OLedBox::drawLed ( QPixmap *pix, const QColor &col )
{
QPainter paint;
QColor color;
QBrush brush;
QPen pen;
pix-> fill ( black );
// First of all we want to know what area should be updated
// Initialize coordinates, width, and height of the LED
int width = pix-> width ( );
// Make sure the LED is round!
if ( width > pix-> height ( ))
width = pix-> height ( );
width -= 2; // leave one pixel border
if ( width < 0 )
width = 0;
// maybe we could stop HERE, if width <=0 ?
// start painting widget
//
paint.begin( pix );
// Set the color of the LED according to given parameters
color = col;
// Set the brush to SolidPattern, this fills the entire area
// of the ellipse which is drawn first
brush.setStyle( QBrush::SolidPattern );
brush.setColor( color );
paint.setBrush( brush ); // Assign the brush to the painter
// Draws a "flat" LED with the given color:
paint.drawEllipse( 1, 1, width, width );
// Draw the bright light spot of the LED now, using modified "old"
// painter routine taken from KDEUIs KLed widget:
// Setting the new width of the pen is essential to avoid "pixelized"
// shadow like it can be observed with the old LED code
pen.setWidth( 2 );
// shrink the light on the LED to a size about 2/3 of the complete LED
int pos = width / 5 + 1;
int light_width = width;
light_width *= 2;
light_width /= 3;
// Calculate the LEDs "light factor":
int light_quote = ( 130 * 2 / ( light_width ? light_width : 1 ) ) + 100;
// Now draw the bright spot on the LED:
while ( light_width )
{
color = color.light( light_quote ); // make color lighter
pen.setColor( color ); // set color as pen color
paint.setPen( pen ); // select the pen for drawing
paint.drawEllipse( pos, pos, light_width, light_width ); // draw the ellipse (circle)
light_width--;
if ( !light_width )
break;
paint.drawEllipse( pos, pos, light_width, light_width );
light_width--;
if ( !light_width )
break;
paint.drawEllipse( pos, pos, light_width, light_width );
pos++;
light_width--;
}
// Drawing of bright spot finished, now draw a thin border
// around the LED which resembles a shadow with light coming
// from the upper left.
#ifndef QT_CAN_DRAW_ARCS
paint.drawPixmap ( 0, 0, *s_border_pix );
paint.end ( );
pix->setMask ( pix-> createHeuristicMask ( ));
#else
pen.setWidth( 3 );
brush.setStyle( QBrush::NoBrush ); // Switch off the brush
paint.setBrush( brush ); // This avoids filling of the ellipse
// Set the initial color value to 200 (bright) and start
// drawing the shadow border at 45 (45*16 = 720).
int shadow_color = 200, angle;
for ( angle = 720; angle < 6480; angle += 240 )
{
color.setRgb( shadow_color, shadow_color, shadow_color );
pen.setColor( color );
paint.setPen( pen );
paint.drawArc( 0, 0, width+2, width+2, angle, 240 );
paint.drawArc( 1, 1, width, width, angle, 240 );
paint.drawArc( 2, 2, width-2, width-2, angle, 240 );
if ( angle < 2320 ) {
shadow_color -= 25; // set color to a darker value
if ( shadow_color < 100 )
shadow_color = 100;
}
else if ( ( angle > 2320 ) && ( angle < 5760 ) ) {
shadow_color += 25; // set color to a brighter value
if ( shadow_color > 255 )
shadow_color = 255;
}
else {
shadow_color -= 25; // set color to a darker value again
if ( shadow_color < 100 )
shadow_color = 100;
} // end if ( angle < 2320 )
} // end for ( angle = 720; angle < 6480; angle += 160 )
paint.end();
//
// painting done
QBitmap mask ( pix-> width ( ), pix-> height ( ), true );
QPainter mp ( &mask );
mp. setPen ( Qt::NoPen );
mp. setBrush ( Qt::color1 );
mp. drawEllipse ( 0, 0, width + 2, width + 2 );
mp. end ( );
pix-> setMask ( mask );
#endif
}
};
};
|