Llewellyn/conky
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Merge pull request #185 from mxmlnkn/issue-128

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Fix BUILD_MATH flag not working, partial #128
This commit is contained in:
Brenden Matthews 2015-12-11 12:56:58 -08:00
commit 2fab2d3820
4 changed files with 80 additions and 17 deletions
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15
src/conky.cc
View File

@ -1501,10 +1501,10 @@ int draw_each_line_inner(char *s, int special_index, int last_special_applied)
{
int h, by = 0;
unsigned long last_colour = current_color;
#ifdef MATH
#ifdef BUILD_MATH
float angle, px, py;
double usage, scale;
#endif /* MATH */
#endif /* BUILD_MATH */
if (cur_x - text_start_x > mw && mw > 0) {
break;
@ -1530,7 +1530,7 @@ int draw_each_line_inner(char *s, int special_index, int last_special_applied)
XDrawArc(display, window.drawable, window.gc,
cur_x, by, w, h * 2, 0, 180*64);
#ifdef MATH
#ifdef BUILD_MATH
usage = current->arg;
scale = current->scale;
angle = M_PI * usage / scale;
@ -1539,7 +1539,7 @@ int draw_each_line_inner(char *s, int special_index, int last_special_applied)
XDrawLine(display, window.drawable, window.gc,
cur_x + (w/2.), by+(h), (int)(px), (int)(py));
#endif /* MATH */
#endif /* BUILD_MATH */
if (h > cur_y_add
&& h > font_h) {
@ -1683,16 +1683,15 @@ int draw_each_line_inner(char *s, int special_index, int last_special_applied)
cur_x = tmp_x;
cur_y = tmp_y;
}
#ifdef MATH
#ifdef BUILD_MATH
if (show_graph_scale.get(*state) && (current->show_scale == 1)) {
int tmp_x = cur_x;
int tmp_y = cur_y;
char *tmp_str;
cur_x += font_ascent() / 2;
cur_y += font_h / 2;
tmp_str = (char *)
calloc(log10(floor(current->scale)) + 4,
sizeof(char));
const int tmp_str_len = 64;
tmp_str = (char *) calloc(tmp_str_len, sizeof(char));
sprintf(tmp_str, "%.1f", current->scale);
draw_string(tmp_str);
free(tmp_str);

17
src/net_stat.cc
View File

@ -286,8 +286,19 @@ void print_v6addrs(struct text_object *obj, char *p, int p_max_size)
#endif /* __linux__ */
#ifdef BUILD_X11
/**
* This function is called periodically to update the download and upload graphs
*
* - evaluates argument strings like 'eth0 50,120 #FFFFFF #FF0000 0 -l'
* - sets the obj->data.opaque pointer to the interface specified
*
* @param[out] obj struct which will hold evaluated arguments
* @param[in] arg argument string to evaluate
**/
void parse_net_stat_graph_arg(struct text_object *obj, const char *arg, void *free_at_crash)
{
/* scan arguments and get interface name back */
char *buf = 0;
buf = scan_graph(obj, arg, 0);
@ -300,6 +311,12 @@ void parse_net_stat_graph_arg(struct text_object *obj, const char *arg, void *fr
obj->data.opaque = get_net_stat(DEFAULTNETDEV, obj, free_at_crash);
}
/**
* returns the download speed in kiB/s for the interface referenced by obj
*
* @param[in] obj struct containting a member data, which is a struct
* containing a void * to a net_stat struct
**/
double downspeedgraphval(struct text_object *obj)
{
struct net_stat *ns = (struct net_stat *)obj->data.opaque;

61
src/specials.cc
View File

@ -57,7 +57,7 @@ namespace {
std::numeric_limits<int>::max(), 0, false);
conky::range_config_setting<int> default_graph_height("default_graph_height", 0,
std::numeric_limits<int>::max(), 25, false);
conky::range_config_setting<int> default_gauge_width("default_gauge_width", 0,
std::numeric_limits<int>::max(), 40, false);
conky::range_config_setting<int> default_gauge_height("default_gauge_height", 0,
@ -178,6 +178,18 @@ void scan_font(struct text_object *obj, const char *args)
obj->data.s = strndup(args, DEFAULT_TEXT_BUFFER_SIZE);
}
/**
* parses for [height,width] [color1 color2] [scale] [-t] [-l]
*
* -l will set the showlog flag, enabling logarithmic graph scales
* -t will set the tempgrad member to true, enabling temperature gradient colors
*
* @param[out] obj struct in which to save width, height and other options
* @param[in] args argument string to parse
* @param[in] defscale default scale if no scale argument given
* @return string to the command argument, NULL if argument didn't start with
* a string, but a number or if invalid argument string
**/
char *scan_graph(struct text_object *obj, const char *args, double defscale)
{
struct graph *g;
@ -196,19 +208,33 @@ char *scan_graph(struct text_object *obj, const char *args, double defscale)
g->scale = defscale;
g->tempgrad = FALSE;
if (args) {
/* set tempgrad to true, if '-t' specified.
* It doesn#t matter where the argument is exactly. */
if (strstr(args, " " TEMPGRAD) || strncmp(args, TEMPGRAD, strlen(TEMPGRAD)) == 0) {
g->tempgrad = TRUE;
}
/* set showlog-flag, if '-l' specified
* It doesn#t matter where the argument is exactly. */
if (strstr(args, " " LOGGRAPH) || strncmp(args, LOGGRAPH, strlen(LOGGRAPH)) == 0) {
g->flags |= SF_SHOWLOG;
}
/* all the following functions try to interpret the beginning of a
* a string with different formaters. If successfuly the return from
* this whole function */
/* interpret the beginning(!) of the argument string as:
* '[height],[width] [color1] [color2] [scale]'
* This means parameters like -t and -l may not be in the beginning */
if (sscanf(args, "%d,%d %x %x %lf", &g->height, &g->width, &g->first_colour, &g->last_colour, &g->scale) == 5) {
return NULL;
}
/* [height],[width] [color1] [color2] */
g->scale = defscale;
if (sscanf(args, "%d,%d %x %x", &g->height, &g->width, &g->first_colour, &g->last_colour) == 4) {
return NULL;
}
/* [command] [height],[width] [color1] [color2] [scale] */
if (sscanf(args, "%1023s %d,%d %x %x %lf", buf, &g->height, &g->width, &g->first_colour, &g->last_colour, &g->scale) == 6) {
return strndup(buf, text_buffer_size.get(*state));
}
@ -216,6 +242,7 @@ char *scan_graph(struct text_object *obj, const char *args, double defscale)
if (sscanf(args, "%1023s %d,%d %x %x", buf, &g->height, &g->width, &g->first_colour, &g->last_colour) == 5) {
return strndup(buf, text_buffer_size.get(*state));
}
buf[0] = '\0';
g->height = 25;
g->width = 0;
@ -233,6 +260,7 @@ char *scan_graph(struct text_object *obj, const char *args, double defscale)
if (sscanf(args, "%1023s %x %x", buf, &g->first_colour, &g->last_colour) == 3) {
return strndup(buf, text_buffer_size.get(*state));
}
buf[0] = '\0';
g->first_colour = 0;
g->last_colour = 0;
@ -261,8 +289,6 @@ char *scan_graph(struct text_object *obj, const char *args, double defscale)
buf[_size] = 0;
}
#undef g
return strndup(buf, text_buffer_size.get(*state));
}
@ -286,6 +312,14 @@ struct special_t *new_special_t_node()
return newnode;
}
/**
* expands the current global linked list specials to special_count elements
*
* increases special_count
* @param[out] buf is set to "\x01\x00" not sure why ???
* @param[in] t special type enum, e.g. alignc, alignr, fg, bg, ...
* @return pointer to the newly inserted special of type t
**/
struct special_t *new_special(char *buf, enum special_types t)
{
special_t* current;
@ -295,6 +329,7 @@ struct special_t *new_special(char *buf, enum special_types t)
if(!specials)
specials = new_special_t_node();
current = specials;
/* allocate special_count linked list elements */
for(int i=0; i < special_count; i++) {
if(current->next == NULL)
current->next = new_special_t_node();
@ -380,6 +415,9 @@ void new_font(struct text_object *obj, char *p, int p_max_size)
}
}
/**
* Adds value f to graph possibly truncating and scaling the graph
**/
static void graph_append(struct special_t *graph, double f, char showaslog)
{
int i;
@ -388,7 +426,7 @@ static void graph_append(struct special_t *graph, double f, char showaslog)
if (!graph->graph) return;
if (showaslog) {
#ifdef MATH
#ifdef BUILD_MATH
f = log10(f + 1);
#endif
}
@ -402,7 +440,7 @@ static void graph_append(struct special_t *graph, double f, char showaslog)
graph->graph[i] = graph->graph[i - 1];
}
graph->graph[0] = f; /* add new data */
if(graph->scaled) {
graph->scale = *std::max_element(graph->graph + 0, graph->graph + graph->graph_width);
if(graph->scale < 1e-47) {
@ -442,6 +480,14 @@ graph_buf_end:
*p = '\0';
}
/**
* Creates a visual graph and/or appends val to the graph / plot
*
* @param[in] obj struct containing all relevant flags like width, height, ...
* @param[in] buf buffer for ascii art graph in console
* @param[in] buf_max_size maximum length of buf
* @param[in] val value to plot i.e. to add to plot
**/
void new_graph(struct text_object *obj, char *buf, int buf_max_size, double val)
{
struct special_t *s = 0;
@ -452,6 +498,7 @@ void new_graph(struct text_object *obj, char *buf, int buf_max_size, double val)
s = new_special(buf, GRAPH);
/* set graph (special) width to width in obj */
s->width = g->width;
if (s->width) s->graph_width = s->width;
@ -486,12 +533,12 @@ void new_graph(struct text_object *obj, char *buf, int buf_max_size, double val)
s->show_scale = 1;
}
s->tempgrad = g->tempgrad;
#ifdef MATH
#ifdef BUILD_MATH
if (g->flags & SF_SHOWLOG) {
s->scale = log10(s->scale + 1);
}
#endif
graph_append(s, val, g->flags & SF_SHOWLOG);
graph_append(s, val, g->flags);
if (not out_to_x.get(*state))
new_graph_in_shell(s, buf, buf_max_size);

4
src/weather.cc
View File

@ -159,11 +159,11 @@ int rel_humidity(int dew_point, int air) {
const float b = 237.7f;
float diff = a*(dew_point/(b+dew_point)-air/(b+air));
#ifdef MATH
#ifdef BUILD_MATH
return (int)(100.f*expf(diff));
#else
return (int)(16.666667163372f*(6.f+diff*(6.f+diff*(3.f+diff))));
#endif /* MATH */
#endif /* BUILD_MATH */
}
#ifdef BUILD_WEATHER_XOAP