Llewellyn/conky
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gradients

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git-svn-id: https://conky.svn.sourceforge.net/svnroot/conky/trunk/conky@39 7f574dfc-610e-0410-a909-a81674777703
This commit is contained in:
Brenden Matthews 2005-08-01 09:15:02 +00:00
parent 2b3b776843
commit fddc7d1c65
4 changed files with 156 additions and 49 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
2005-07-01
* stabilized code
* added gradiest to graphs (very pretty)
* things
2005-07-30
* finalized graphing code, see $cpugraph, $memgraph, $execgraph,
$downspeedgraph, and $upspeedgraph

9
README
View File

@ -158,11 +158,13 @@
cpu CPU usage in percents
cpubar (height) Bar that shows CPU usage, height is
bar's height in pixels
cpugraph (height),(width)CPU usage graph
cpugraph (height),(width) (gradient colour 1) (gradient colour 2)
CPU usage graph
downspeed net Download speed in kilobytes
downspeedf net Download speed in kilobytes with one
decimal
downspeedgraph net (height),(width) Download speed graph
downspeedgraph net (height),(width) (gradient colour 1) (gradient colour 2)
Download speed graph
exec shell command Executes a shell command and displays
the output in conky. warning: this
takes a lot more resources than other
@ -300,7 +302,8 @@
upspeed net Upload speed in kilobytes
upspeedf net Upload speed in kilobytes with one
decimal
upspeedgraph net (height),(width) Upload speed graph
upspeedgraph net (height),(width) (gradient colour 1) (gradient colour 2)
Upload speed graph
uptime Uptime
uptime_short Uptime in a shorter format

156
conky.c
View File

@ -228,6 +228,8 @@ static struct special_t {
double graph_scale;
int graph_width;
int scaled;
unsigned long first_colour; // for graph gradient
unsigned long last_colour;
} specials[128];
static int special_count;
@ -325,11 +327,13 @@ inline void graph_append(struct special_t *graph, double f)
}
}
static void new_graph(char *buf, int w, int h, double i, int scaled)
static void new_graph(char *buf, int w, int h, unsigned int first_colour, unsigned int second_colour, double i, int scaled)
{
struct special_t *s = new_special(buf, GRAPH);
s->width = w;
s->height = h;
s->first_colour = first_colour;
s->last_colour = second_colour;
s->scaled = scaled;
if (s->width) {
s->graph_width = s->width - 3; // subtract 3 for rectangle around
@ -342,16 +346,27 @@ static void new_graph(char *buf, int w, int h, double i, int scaled)
graph_append(s, i);
}
static const char *scan_graph(const char *args, int *w, int *h)
static const char *scan_graph(const char *args, int *w, int *h, unsigned int *first_colour, unsigned int *last_colour)
{
*w = 0; /* zero width means all space that is available */
*h = 25;
*first_colour = 0;
*last_colour = 0;
/* graph's argument is either height or height,width */
if (args) {
int n = 0;
if (sscanf(args, "%d,%d %n", h, w, &n) <= 1)
sscanf(args, "%*s %d %n", h, &n);
//args += n;
if (sscanf(args, "%x %x", first_colour, last_colour) < 2) {
if (sscanf(args, "%d,%d", h, w) < 2) {
if (sscanf(args, "%*s %x %x", first_colour, last_colour) < 2) {
if (sscanf(args, "%*s %d,%d", h, w) < 2) {
if (sscanf(args, "%d,%d %x %x", h, w, first_colour, last_colour) < 4) {
if (sscanf(args, "%*s %x %x", first_colour, last_colour) < 2) {
sscanf(args, "%*s %d,%d %x %x", h, w, first_colour, last_colour);
}
}
}
}
}
}
}
return args;
@ -589,6 +604,7 @@ enum text_object_type {
struct text_object {
int type;
int a, b;
unsigned int c, d;
union {
char *s; /* some string */
int i; /* some integer */
@ -750,13 +766,13 @@ static void construct_text_object(const char *s, const char *arg)
END OBJ(cpubar, INFO_CPU)
(void) scan_bar(arg, &obj->data.pair.a, &obj->data.pair.b);
END OBJ(cpugraph, INFO_CPU)
(void) scan_graph(arg, &obj->data.pair.a, &obj->data.pair.b);
(void) scan_graph(arg, &obj->a, &obj->b, &obj->c, &obj->d);
END OBJ(color, 0) obj->data.l =
arg ? get_x11_color(arg) : default_fg_color;
END OBJ(downspeed, INFO_NET) obj->data.net = get_net_stat(arg);
END OBJ(downspeedf, INFO_NET) obj->data.net = get_net_stat(arg);
END OBJ(downspeedgraph, INFO_NET)
(void) scan_graph(arg, &obj->a, &obj->b);
(void) scan_graph(arg, &obj->a, &obj->b, &obj->c, &obj->d);
char buf[64];
sscanf(arg, "%63s %*i,%*i %*i", buf);
obj->data.net = get_net_stat(buf);
@ -1074,7 +1090,7 @@ static void construct_text_object(const char *s, const char *arg)
END OBJ(membar, INFO_MEM)
(void) scan_bar(arg, &obj->data.pair.a, &obj->data.pair.b);
END OBJ(membar, INFO_MEM)
(void) scan_graph(arg, &obj->data.pair.a, &obj->data.pair.b);
(void) scan_graph(arg, &obj->a, &obj->b, &obj->c, &obj->d);
END OBJ(mixer, INFO_MIXER) obj->data.l = mixer_init(arg);
END OBJ(mixerl, INFO_MIXER) obj->data.l = mixer_init(arg);
END OBJ(mixerr, INFO_MIXER) obj->data.l = mixer_init(arg);
@ -1140,7 +1156,7 @@ static void construct_text_object(const char *s, const char *arg)
END OBJ(upspeed, INFO_NET) obj->data.net = get_net_stat(arg);
END OBJ(upspeedf, INFO_NET) obj->data.net = get_net_stat(arg);
END OBJ(upspeedgraph, INFO_NET)
(void) scan_graph(arg, &obj->a, &obj->b);
(void) scan_graph(arg, &obj->a, &obj->b, &obj->c, &obj->d);
char buf[64];
sscanf(arg, "%63s %*i,%*i %*i", buf);
obj->data.net = get_net_stat(buf);
@ -1396,8 +1412,8 @@ static void generate_text()
(int) (cur->cpu_usage * 255.0));
}
OBJ(cpugraph) {
new_graph(p, obj->data.pair.a,
obj->data.pair.b,
new_graph(p, obj->a,
obj->b, obj->c, obj->d,
(unsigned int) (cur->cpu_usage *
100), 0);
}
@ -1429,7 +1445,7 @@ static void generate_text()
OBJ(downspeedgraph) {
if (obj->data.net->recv_speed == 0) // this is just to make the ugliness at start go away
obj->data.net->recv_speed = 0.01;
new_graph(p, obj->a, obj->b,
new_graph(p, obj->a, obj->b, obj->c, obj->d,
(obj->data.net->recv_speed /
1024.0), 1);
}
@ -1530,7 +1546,7 @@ static void generate_text()
ERR("your execgraph value is not between 0 and 100, therefore it will be ignored");
} else {
new_graph(p, 0,
25, (int) (barnum), 0);
25, obj->c, obj->d, (int) (barnum), 0);
}
}
@ -1763,8 +1779,8 @@ static void generate_text()
}
OBJ(memgraph) {
new_graph(p, obj->data.pair.a,
obj->data.pair.b,
new_graph(p, obj->a,
obj->b, obj->c, obj->d,
cur->memmax ? (cur->mem) /
(cur->memmax) : 0, 0);
}
@ -1967,7 +1983,7 @@ static void generate_text()
OBJ(upspeedgraph) {
if (obj->data.net->trans_speed == 0) // this is just to make the ugliness at start go away
obj->data.net->trans_speed = 0.01;
new_graph(p, obj->a, obj->b,
new_graph(p, obj->a, obj->b, obj->c, obj->d,
(obj->data.net->trans_speed /
1024.0), 1);
}
@ -2576,6 +2592,82 @@ static void draw_string(const char *s)
}
unsigned long do_gradient(unsigned long first_colour, unsigned long last_colour) { /* this function returns the next colour between two colours for a gradient */
int tmp_color = 0;
int red1, green1, blue1; // first colour
int red2, green2, blue2; // second colour
int red3 = 0, green3 = 0, blue3 = 0; // difference
red1 = (first_colour & 0xff0000) >> 16;
green1 = (first_colour & 0xff00) >> 8;
blue1 = first_colour & 0xff;
red2 = (last_colour & 0xff0000) >> 16;
green2 = (last_colour & 0xff00) >> 8;
blue2 = last_colour & 0xff;
if (red1 > red2) {
red3 = -1;
}
if (red1 < red2) {
red3 = 1;
}
if (green1 > green2) {
green3 = -1;
}
if (green1 < green2) {
green3 = 1;
}
if (blue1 > blue2) {
blue3 = -1;
}
if (blue1 < blue2) {
blue3 = 1;
}
red1 += red3;
green1 += green3;
blue1 += blue3;
if (red1 < 0) {
red1 = 0;
}
if (green1 < 0) {
green1 = 0;
}
if (blue1 < 0) {
blue1 = 0;
}
if (red1 > 0xff) {
red1 = 0xff;
}
if (green1 > 0xff) {
green1 = 0xff;
}
if (blue1 > 0xff) {
blue1 = 0xff;
}
tmp_color = (red1 << 16) | (green1 << 8) | blue1;
return tmp_color;
}
unsigned long gradient_max(unsigned long first_colour, unsigned long last_colour) { /* this function returns the max diff for a gradient */
int red1, green1, blue1; // first colour
int red2, green2, blue2; // second colour
int red3 = 0, green3 = 0, blue3 = 0; // difference
red1 = (first_colour & 0xff0000) >> 16;
green1 = (first_colour & 0xff00) >> 8;
blue1 = first_colour & 0xff;
red2 = (last_colour & 0xff0000) >> 16;
green2 = (last_colour & 0xff00) >> 8;
blue2 = last_colour & 0xff;
red3 = abs(red1 - red2);
green3 = abs(green1 - green2);
blue3 = abs(blue1 - blue2);
int max = red3;
if (green3 > max)
max = green3;
if (blue3 > max)
max = blue3;
return max;
}
static void draw_line(char *s)
{
char *p;
@ -2718,7 +2810,23 @@ static void draw_line(char *s)
JoinMiter);
int i;
int j = 0;
int gradient_size = 0;
float gradient_factor = 0;
float gradient_update = 0;
if (specials[special_index].first_colour != 0 && specials[special_index].last_colour != 0) {
current_color = specials[special_index].first_colour;
gradient_size = gradient_max(specials[special_index].first_colour, specials[special_index].last_colour);
gradient_factor = (float)gradient_size / (w - 3);
}
for (i = 0; i < w - 3; i++) {
if (specials[special_index].first_colour != 0 && specials[special_index].last_colour != 0) {
XSetForeground(display, window.gc, current_color);
gradient_update = gradient_factor;
while (gradient_update > 0) {
current_color = do_gradient(current_color, specials[special_index].last_colour);
gradient_update--;
}
}
if (i /
((float) (w - 3) /
(specials
@ -2726,19 +2834,7 @@ static void draw_line(char *s)
graph_width)) > j) {
j++;
}
XDrawLine(display,
window.drawable,
window.gc,
cur_x + i + 2,
by + h,
cur_x + i + 2,
by + h -
specials
[special_index].
graph[j] * h /
specials
[special_index]
.graph_scale); /* this is mugfugly, but it works */
XDrawLine(display, window.drawable, window.gc, cur_x + i + 2, by + h, cur_x + i + 2, by + h - specials[special_index].graph[j] * (h - 1) / specials[special_index].graph_scale); /* this is mugfugly, but it works */
}
if (specials[special_index].
height > cur_y_add

9
conkyrc.sample
View File

@ -143,11 +143,13 @@ metar_station CYBW
# cpu CPU usage in percents
# cpubar (height) Bar that shows CPU usage, height is
# bar's height in pixels
# cpugraph (height),(width)CPU usage graph
# cpugraph (height),(width) (gradient colour 1) (gradient colour 2)
# CPU usage graph
# downspeed net Download speed in kilobytes
# downspeedf net Download speed in kilobytes with one
# decimal
# downspeedgraph net (height),(width) Download speed graph
# downspeedgraph net (height),(width) (gradient colour 1) (gradient colour 2)
# Download speed graph
# exec shell command Executes a shell command and displays
# the output in conky. warning: this
# takes a lot more resources than other
@ -285,7 +287,8 @@ metar_station CYBW
# upspeed net Upload speed in kilobytes
# upspeedf net Upload speed in kilobytes with one
# decimal
# upspeedgraph net (height),(width) Upload speed graph
# upspeedgraph net (height),(width) (gradient colour 1) (gradient colour 2)
# Upload speed graph
# uptime Uptime
# uptime_short Uptime in a shorter format
#