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
|
#include <X11/IntrinsicP.h>
#include <X11/StringDefs.h>
#include <X11/Vendor.h>
#include <X11/xpm.h>
#include <stdio.h>
#include "IndicatorP.h"
#define INDC_WIDTH (144)
#define INDC_HEIGHT (30)
#define sDisp XtDisplay(iw)
#define sScreen XtScreen(iw)
#define sRoot XRootWindowOfScreen(XtScreen(iw))
#define sWidth iw->core.width
#define sHeight iw->core.height
#define sPixmap iw->indicator.pixmap
#define sBGC iw->indicator.gc[0]
#define sGC(i) iw->indicator.gc[i]
static char* colors[] =
{
"#282828", /* dark gray */
"#00287A", /* dark blue */
"#00A7FF", /* blue */
"#0C5B00", /* dark green */
"#49DC00", /* green */
"#615600", /* dark yellow */
"#EBD000", /* yellow */
"#613D00", /* dark orange */
"#EB9C00", /* orange */
"#620000", /* dark red */
"#E10000", /* red */
};
static struct st_meter {
long threshold;
int color;
} meter[] = {
{ 0, 1}, { 1, 1}, { 2, 1}, { 3, 1},
{ 4, 1}, { 5, 1}, { 7, 1},
{ 10, 3}, { 13, 3}, { 19, 3}, { 26, 3},
{ 37, 3}, { 51, 3}, { 71, 3},
{ 100, 5}, { 138, 5}, { 193, 5}, { 268, 5},
{ 372, 5}, { 517, 5}, { 719, 5},
{ 1000, 7}, { 1389, 7}, { 1930, 7}, { 2682, 7},
{ 3727, 7}, { 5179, 7}, { 7196, 7},
{10000, 9}, {13894, 9}, {19306, 9}, {26827, 9},
{37275, 9}, {51794, 9}, {71968, 9},
};
#define offset(field) XtOffsetOf(IndicatorRec, field)
static XtResource resources[] = {
{ XtNinRate, XtCInRate, XtRInt, sizeof(int),
offset(indicator.in_rate), XtRImmediate, (XtPointer)0 },
{ XtNoutRate, XtCOutRate, XtRInt, sizeof(int),
offset(indicator.out_rate), XtRImmediate, (XtPointer)0 },
};
#undef offset
static void Initialize();
static void Resize();
static void Redisplay();
static Boolean SetValues();
static void Destroy();
static XtGeometryResult QueryGeometry();
static char defaultTranslation[] = "";
static XtActionsRec actions[] = {{NULL, NULL}};
static void ShowIndicator();
IndicatorClassRec indicatorClassRec = {
{
/* superclass */ (WidgetClass) &coreClassRec,
/* class_name */ "Indicator",
/* widget_size */ sizeof(IndicatorRec),
/* class_initialize */ NULL,
/* class_part_initialize */ NULL,
/* class_inited */ FALSE,
/* initialize */ Initialize,
/* initialize_hook */ NULL,
/* realize */ XtInheritRealize,
/* actions */ actions,
/* num_actions */ XtNumber(actions),
/* resources */ resources,
/* num_resourece */ XtNumber(resources),
/* xrm_class */ NULLQUARK,
/* compress_motion */ TRUE,
/* compress_exposure */ TRUE,
/* compress_enterleave */ TRUE,
/* visible_interest */ FALSE,
/* destroy */ Destroy,
/* resize */ Resize,
/* expose */ Redisplay,
/* set_values */ SetValues,
/* set_values_hook */ NULL,
/* set_values_almoset */ XtInheritSetValuesAlmost,
/* get_values_hook */ NULL,
/* accept_focus */ NULL,
/* version */ XtVersion,
/* callback_private */ NULL,
/* tm_table */ defaultTranslation,
/* query_geometry */ QueryGeometry,
/* display_accelator */ XtInheritDisplayAccelerator,
/* extention */ NULL
},{
/* foo */ 0
}
};
WidgetClass indicatorWidgetClass = (WidgetClass)&indicatorClassRec;
static GC
GetGC(IndicatorWidget iw, XColor fg)
{
XGCValues values;
XtGCMask mask;
values.foreground = fg.pixel;
values.background = iw->core.background_pixel;
values.graphics_exposures = False;
mask = GCForeground | GCBackground | GCGraphicsExposures;
return XCreateGC(sDisp, sPixmap, mask, &values);
}
static void
GetAllGC(IndicatorWidget iw)
{
int i;
for(i=0; i<11; i++) {
sGC(i) = GetGC(iw, iw->indicator.color[i]);
}
}
static void
GetColor(IndicatorWidget iw)
{
XColor exact;
Colormap cmap;
int i;
cmap=DefaultColormapOfScreen(sScreen);
for(i=0; i<11; i++) {
XAllocNamedColor(sDisp, cmap, colors[i],
&(iw->indicator.color[i]), &exact);
}
}
static void
Initialize(Widget wreq, Widget wnew)
{
IndicatorWidget iw = (IndicatorWidget) wnew;
Pixmap Mask;
XpmAttributes Attr;
if (sWidth == 0) {
sWidth = INDC_WIDTH;
}
if (sHeight == 0) {
sHeight = INDC_HEIGHT;
}
sPixmap = XCreatePixmap(sDisp, sRoot, sWidth, sHeight,
DefaultDepthOfScreen(sScreen));
GetColor(iw);
GetAllGC(iw);
XFillRectangle(sDisp, sPixmap, sBGC, 0, 0, sWidth, sHeight);
ShowIndicator(iw);
}
static void
Redisplay(Widget w, XExposeEvent *event)
{
IndicatorWidget iw = (IndicatorWidget) w;
int x,y;
int width, height;
if (XtIsRealized(w)) {
if (event) {
x = event->x;
y = event->y;
width = event->width;
height = event->height;
} else {
x = 0;
y = 0;
width = sWidth;
height = sHeight;
}
XCopyArea(sDisp, sPixmap, XtWindow(iw), sBGC,
x, y, width, height, x, y);
}
}
static Boolean
SetValues(Widget wcur, Widget wreq, Widget wnew)
{
IndicatorWidget cur = (IndicatorWidget) wcur;
IndicatorWidget new = (IndicatorWidget) wnew;
Boolean redraw = False;
if (cur->indicator.in_rate != new->indicator.in_rate ||
cur->indicator.out_rate != new->indicator.out_rate) {
ShowIndicator(new);
}
return redraw;
}
static void
Destroy(Widget w)
{
IndicatorWidget iw = (IndicatorWidget) w;
Colormap cmap;
int i;
cmap=DefaultColormapOfScreen(sScreen);
if (sPixmap)
XFreePixmap(sDisp, sPixmap);
for(i=0; i<11; i++) {
if (sGC(i)) XFreeGC(sDisp, sGC(i));
XFreeColors(sDisp, cmap,
&iw->indicator.color[i].pixel, 1, 0);
}
}
static void Resize(Widget w)
{
IndicatorWidget iw = (IndicatorWidget) w;
return;
}
static XtGeometryResult
QueryGeometry(Widget w, XtWidgetGeometry *proposed, XtWidgetGeometry *answer)
{
IndicatorWidget iw = (IndicatorWidget) w;
answer->request_mode = CWWidth | CWHeight;
answer->width = sWidth;
answer->height = sHeight;
return XtGeometryAlmost;
}
static void
indicate(IndicatorWidget iw, long num, long old, long threshold,
int x, int y, GC offgc, GC ongc)
{
if (num > old && num > threshold) {
XFillRectangle(sDisp, sPixmap, ongc, x*4+2, y*14+2, 2, 12);
}
if (num < old && num <= threshold) {
XFillRectangle(sDisp, sPixmap, offgc, x*4+2, y*14+2, 2, 12);
}
}
static void
ShowIndicator(IndicatorWidget iw)
{
static old_in = 100000;
static old_out = 100000;
long in = iw->indicator.in_rate;
long out = iw->indicator.out_rate;
XExposeEvent rrect;
int i;
if (old_in != in) {
for(i=0; i<35; i++) {
indicate(iw, in, old_in, meter[i].threshold, i, 0,
sGC(meter[i].color), sGC(meter[i].color+1));
}
rrect.x = 2;
rrect.y = 2;
rrect.width = 140;
rrect.height = 12;
Redisplay((Widget)iw, &rrect);
old_in = in;
}
if (old_out != out) {
for(i=0; i<35; i++) {
indicate(iw, out, old_out, meter[i].threshold, i, 1,
sGC(meter[i].color), sGC(meter[i].color+1));
}
rrect.x = 2;
rrect.y = 16;
rrect.width = 140;
rrect.height = 12;
Redisplay((Widget) iw, &rrect);
old_out = out;
}
}
|
