/*
- * Copyright (C) 2010-2012 jeanfi@gmail.com
+ * Copyright (C) 2010-2016 jeanfi@gmail.com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* 02110-1301 USA
*/
#include <stdlib.h>
+#include <string.h>
+
#include <sys/time.h>
+
+#include <glib/gi18n.h>
#include <gtk/gtk.h>
-#include "cfg.h"
-#include "psensor.h"
+#include <math.h>
+
+#include <cfg.h>
+#include <graph.h>
+#include <parray.h>
+#include <plog.h>
+#include <psensor.h>
/* horizontal padding */
-#define GRAPH_H_PADDING 4
+static const int GRAPH_H_PADDING = 4;
/* vertical padding */
-#define GRAPH_V_PADDING 4
+static const int GRAPH_V_PADDING = 4;
+
+bool is_smooth_curves_enabled;
+
+struct graph_info {
+ /* Horizontal position of the central area (curves) */
+ int g_xoff;
+ /* Vertical position of the central area (curves) */
+ int g_yoff;
+
+ /* Width of the central area (curves) */
+ int g_width;
+ /* Height of the central area (curves) */
+ int g_height;
+
+ /* Height of the drawing canvas */
+ int height;
+ /* Width of the drawing canvas */
+ int width;
+};
+
+static GtkStyleContext *style;
+/* Foreground color of the current desktop theme */
+static GdkRGBA theme_fg_color;
+/* Background color of the current desktop theme */
+static GdkRGBA theme_bg_color;
-static time_t get_graph_end_time_s()
+static void update_theme(GtkWidget *w)
{
- struct timeval tv;
+ style = gtk_widget_get_style_context(w);
+
+ gtk_style_context_get_background_color(style,
+ GTK_STATE_FLAG_NORMAL,
+ &theme_bg_color);
+ gtk_style_context_get_color(style,
+ GTK_STATE_FLAG_NORMAL,
+ &theme_fg_color);
+}
- if (gettimeofday(&tv, NULL) == 0)
- return tv.tv_sec;
- else
- return 0;
+static struct psensor **list_filter_graph_enabled(struct psensor **sensors)
+{
+ int n, i;
+ struct psensor **result, **cur, *s;
+
+ if (!sensors)
+ return NULL;
+
+ n = psensor_list_size(sensors);
+ result = malloc((n+1) * sizeof(struct psensor *));
+
+ for (cur = sensors, i = 0; *cur; cur++) {
+ s = *cur;
+
+ if (config_is_sensor_graph_enabled(s->id))
+ result[i++] = s;
+ }
+
+ result[i] = NULL;
+
+ return result;
}
-static time_t get_graph_begin_time_s(struct config *cfg)
+/* Return the end time of the graph i.e. the more recent measure. If
+ * no measure are available, return 0.
+ * If Bezier curves are used return the measure n-3 to avoid to
+ * display a part of the curve outside the graph area.
+ */
+static time_t get_graph_end_time_s(struct psensor **sensors)
{
- int ct;
+ time_t ret, t;
+ struct psensor *s;
+ struct measure *measures;
+ int i, n;
+
+ ret = 0;
+ while (*sensors) {
+ s = *sensors;
+ measures = s->measures;
+
+ if (is_smooth_curves_enabled)
+ n = 2;
+ else
+ n = 0;
+
+ for (i = s->values_max_length - 1; i >= 0; i--) {
+ if (measures[i].value != UNKNOWN_DBL_VALUE) {
+ if (!n) {
+ t = measures[i].time.tv_sec;
+
+ if (t > ret) {
+ ret = t;
+ break;
+ }
+ } else {
+ n--;
+ }
+ }
+ i--;
+ }
+
+ sensors++;
+ }
- ct = get_graph_end_time_s();
+ return ret;
+}
- if (!ct)
+static time_t get_graph_begin_time_s(struct config *cfg, time_t etime)
+{
+ if (!etime)
return 0;
- return ct - cfg->graph_monitoring_duration * 60;
+ return etime - cfg->graph_monitoring_duration * 60;
}
-static int compute_y(double value, double min, double max, int height, int off)
+static double
+compute_y(double value, double min, double max, int height, int off)
{
double t = value - min;
+
return height - ((double)height * (t / (max - min))) + off;
}
return str;
}
+static void draw_left_region(cairo_t *cr, struct graph_info *info)
+{
+ cairo_set_source_rgb(cr,
+ theme_bg_color.red,
+ theme_bg_color.green,
+ theme_bg_color.blue);
+
+ cairo_rectangle(cr, 0, 0, info->g_xoff, info->height);
+ cairo_fill(cr);
+}
+
+static void draw_right_region(cairo_t *cr, struct graph_info *info)
+{
+ cairo_set_source_rgb(cr,
+ theme_bg_color.red,
+ theme_bg_color.green,
+ theme_bg_color.blue);
+
+
+ cairo_rectangle(cr,
+ info->g_xoff + info->g_width,
+ 0,
+ info->g_xoff + info->g_width + GRAPH_H_PADDING,
+ info->height);
+ cairo_fill(cr);
+}
+
static void
draw_graph_background(cairo_t *cr,
- int g_xoff, int g_yoff,
- int g_width, int g_height,
- int width, int height, struct config *config,
- GtkWidget *widget)
+ struct config *config,
+ struct graph_info *info)
{
- GtkStyle *style;
- struct color *bgcolor = config->graph_bgcolor;
- GdkColor *bg;
-
- style = gtk_widget_get_style(widget);
+ struct color *bgcolor;
- bg = &style->bg[GTK_STATE_NORMAL];
+ bgcolor = config->graph_bgcolor;
if (config->alpha_channel_enabled)
cairo_set_source_rgba(cr,
- ((double)bg->red) / 65535,
- ((double)bg->green) / 65535,
- ((double)bg->blue) / 65535,
+ theme_bg_color.red,
+ theme_bg_color.green,
+ theme_bg_color.blue,
config->graph_bg_alpha);
else
cairo_set_source_rgb(cr,
- ((double)bg->red) / 65535,
- ((double)bg->green) / 65535,
- ((double)bg->blue) / 65535);
+ theme_bg_color.red,
+ theme_bg_color.green,
+ theme_bg_color.blue);
- cairo_rectangle(cr, 0, 0, width, height);
+ cairo_rectangle(cr, info->g_xoff, 0, info->g_width, info->height);
cairo_fill(cr);
+
if (config->alpha_channel_enabled)
cairo_set_source_rgba(cr,
- bgcolor->f_red,
- bgcolor->f_green,
- bgcolor->f_blue, config->graph_bg_alpha);
+ bgcolor->red,
+ bgcolor->green,
+ bgcolor->blue,
+ config->graph_bg_alpha);
else
cairo_set_source_rgb(cr,
- bgcolor->f_red,
- bgcolor->f_green, bgcolor->f_blue);
-
-
-
- cairo_rectangle(cr, g_xoff, g_yoff, g_width, g_height);
+ bgcolor->red,
+ bgcolor->green,
+ bgcolor->blue);
+
+ cairo_rectangle(cr,
+ info->g_xoff,
+ info->g_yoff,
+ info->g_width,
+ info->g_height);
cairo_fill(cr);
}
1.0, /* ink */
2.0, /* skip */
};
-static int ndash = sizeof(dashes) / sizeof(dashes[0]);
+static int ndash = ARRAY_SIZE(dashes);
static void draw_background_lines(cairo_t *cr,
- struct color *color,
- int g_width, int g_height,
- int g_xoff, int g_yoff,
- int min, int max)
+ int min, int max,
+ struct config *config,
+ struct graph_info *info)
{
int i;
+ double x, y;
+ struct color *color;
+
+ color = config->graph_fgcolor;
/* draw background lines */
cairo_set_line_width(cr, 1);
cairo_set_dash(cr, dashes, ndash, 0);
- cairo_set_source_rgb(cr,
- color->f_red, color->f_green, color->f_blue);
+ cairo_set_source_rgb(cr, color->red, color->green, color->blue);
/* vertical lines representing time steps */
for (i = 0; i <= 5; i++) {
- int x = i * (g_width / 5) + g_xoff;
- cairo_move_to(cr, x, g_yoff);
- cairo_line_to(cr, x, g_yoff + g_height);
- cairo_stroke(cr);
+ x = i * ((double)info->g_width / 5) + info->g_xoff;
+ cairo_move_to(cr, x, info->g_yoff);
+ cairo_line_to(cr, x, info->g_yoff + info->g_height);
}
/* horizontal lines draws a line for each 10C step */
for (i = min; i < max; i++) {
if (i % 10 == 0) {
- int y = compute_y(i, min, max, g_height, g_yoff);
-
- cairo_move_to(cr, g_xoff, y);
- cairo_line_to(cr, g_xoff + g_width, y);
- cairo_stroke(cr);
+ y = compute_y(i,
+ min,
+ max,
+ info->g_height,
+ info->g_yoff);
+
+ cairo_move_to(cr, info->g_xoff, y);
+ cairo_line_to(cr, info->g_xoff + info->g_width, y);
}
}
+ cairo_stroke(cr);
+
/* back to normal line style */
- cairo_set_dash(cr, 0, 0, 0);
+ cairo_set_dash(cr, NULL, 0, 0);
+}
+
+/* Keys: sensor identifier.
+ *
+ * Values: array of time_t. Each time_t is corresponding to a sensor
+ * measure which has been used as the start point of a Bezier curve.
+ */
+static GHashTable *times;
+
+static void draw_sensor_smooth_curve(struct psensor *s,
+ cairo_t *cr,
+ double min,
+ double max,
+ int bt,
+ int et,
+ struct graph_info *info)
+{
+ int i, dt, vdt, j, k, found;
+ double x[4], y[4], v;
+ time_t t, t0, *stimes;
+ GdkRGBA *color;
+
+ if (!times)
+ times = g_hash_table_new_full(g_str_hash,
+ g_str_equal,
+ free,
+ free);
+
+ stimes = g_hash_table_lookup(times, s->id);
+
+ color = config_get_sensor_color(s->id);
+
+ cairo_set_source_rgb(cr,
+ color->red,
+ color->green,
+ color->blue);
+ gdk_rgba_free(color);
+
+ /* search the index of the first measure used as a start point
+ * of a Bezier curve. The start and end points of the Bezier
+ * curves must be preserved to ensure the same overall shape
+ * of the graph.
+ */
+ i = 0;
+ if (stimes) {
+ while (i < s->values_max_length) {
+ t = s->measures[i].time.tv_sec;
+ v = s->measures[i].value;
+
+ found = 0;
+ if (v != UNKNOWN_DBL_VALUE && t) {
+ k = 0;
+ while (stimes[k]) {
+ if (t == stimes[k]) {
+ found = 1;
+ break;
+ }
+ k++;
+ }
+ }
+
+ if (found)
+ break;
+
+ i++;
+ }
+ }
+
+ stimes = malloc((s->values_max_length + 1) * sizeof(time_t));
+ memset(stimes, 0, (s->values_max_length + 1) * sizeof(time_t));
+ g_hash_table_insert(times, strdup(s->id), stimes);
+
+ if (i == s->values_max_length)
+ i = 0;
+
+ k = 0;
+ dt = et - bt;
+ while (i < s->values_max_length) {
+ j = 0;
+ t = 0;
+ while (i < s->values_max_length && j < 4) {
+ t = s->measures[i].time.tv_sec;
+ v = s->measures[i].value;
+
+ if (v == UNKNOWN_DBL_VALUE || !t) {
+ i++;
+ continue;
+ }
+
+ vdt = t - bt;
+
+ x[0 + j] = ((double)vdt * info->g_width)
+ / dt + info->g_xoff;
+ y[0 + j] = compute_y(v,
+ min,
+ max,
+ info->g_height,
+ info->g_yoff);
+
+ if (j == 0)
+ t0 = t;
+
+ i++;
+ j++;
+ }
+
+ if (j == 4) {
+ cairo_move_to(cr, x[0], y[0]);
+ cairo_curve_to(cr, x[1], y[1], x[2], y[3], x[3], y[3]);
+ stimes[k++] = t0;
+ i--;
+ }
+ }
+
+ cairo_stroke(cr);
}
static void draw_sensor_curve(struct psensor *s,
double max,
int bt,
int et,
- int g_width,
- int g_height,
- int g_xoff,
- int g_yoff)
+ struct graph_info *info)
{
- int first = 1;
- int i;
+ int first, i, t, dt, vdt;
+ double v, x, y;
+ GdkRGBA *color;
+ color = config_get_sensor_color(s->id);
cairo_set_source_rgb(cr,
- s->color->f_red,
- s->color->f_green,
- s->color->f_blue);
- cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND);
- cairo_set_line_width(cr, 1);
+ color->red,
+ color->green,
+ color->blue);
+ gdk_rgba_free(color);
+ dt = et - bt;
+ first = 1;
for (i = 0; i < s->values_max_length; i++) {
- int x, y, t;
- double v;
-
t = s->measures[i].time.tv_sec;
- v = s->measures[i].value.d_num;
+ v = s->measures[i].value;
- if (v == UNKNOWN_DBL_VALUE || !t || (t - bt) < 0)
+ if (v == UNKNOWN_DBL_VALUE || !t)
continue;
- x = (t - bt) * g_width / (et - bt) + g_xoff;
+ vdt = t - bt;
- y = compute_y(v, min, max, g_height, g_yoff);
+ x = ((double)vdt * info->g_width) / dt + info->g_xoff;
+
+ y = compute_y(v, min, max, info->g_height, info->g_yoff);
if (first) {
cairo_move_to(cr, x, y);
cairo_stroke(cr);
}
+static void display_no_graphs_warning(cairo_t *cr, int x, int y)
+{
+ char *msg;
+
+ msg = strdup(_("No graphs enabled"));
+
+ cairo_select_font_face(cr,
+ "sans-serif",
+ CAIRO_FONT_SLANT_NORMAL,
+ CAIRO_FONT_WEIGHT_NORMAL);
+ cairo_set_font_size(cr, 18.0);
+
+ cairo_move_to(cr, x, y);
+ cairo_show_text(cr, msg);
+
+ free(msg);
+}
void
graph_update(struct psensor **sensors,
GtkWidget *w_graph,
- struct config *config)
+ struct config *config,
+ GtkWidget *window)
{
- struct color *fgcolor = config->graph_fgcolor;
int et, bt, width, height, g_width, g_height;
- double min_rpm, max_rpm, mint, maxt;
+ double min_rpm, max_rpm, mint, maxt, min, max;
char *strmin, *strmax;
/* horizontal and vertical offset of the graph */
- int g_xoff, g_yoff;
+ int g_xoff, g_yoff, no_graphs, use_celsius;
cairo_surface_t *cst;
cairo_t *cr, *cr_pixmap;
char *str_btime, *str_etime;
cairo_text_extents_t te_btime, te_etime, te_max, te_min;
- struct psensor **sensor_cur;
+ struct psensor **sensor_cur, **enabled_sensors;
GtkAllocation galloc;
+ struct graph_info info;
if (!gtk_widget_is_drawable(w_graph))
- return ;
+ return;
+
+ if (!style)
+ update_theme(window);
+
+ enabled_sensors = list_filter_graph_enabled(sensors);
- min_rpm = get_min_rpm(sensors);
- max_rpm = get_max_rpm(sensors);
+ min_rpm = get_min_rpm(enabled_sensors);
+ max_rpm = get_max_rpm(enabled_sensors);
- mint = get_min_temp(sensors);
- strmin = psensor_value_to_string(SENSOR_TYPE_TEMP, mint);
+ if (config_get_temperature_unit() == CELSIUS)
+ use_celsius = 1;
+ else
+ use_celsius = 0;
+
+ mint = get_min_temp(enabled_sensors);
+ strmin = psensor_value_to_str(SENSOR_TYPE_TEMP, mint, use_celsius);
+
+ maxt = get_max_temp(enabled_sensors);
+ strmax = psensor_value_to_str(SENSOR_TYPE_TEMP, maxt, use_celsius);
- maxt = get_max_temp(sensors);
- strmax = psensor_value_to_string(SENSOR_TYPE_TEMP, maxt);
+ et = get_graph_end_time_s(enabled_sensors);
+ bt = get_graph_begin_time_s(config, et);
- str_btime = time_to_str(get_graph_begin_time_s(config));
- str_etime = time_to_str(get_graph_end_time_s());
+ str_btime = time_to_str(bt);
+ str_etime = time_to_str(et);
gtk_widget_get_allocation(w_graph, &galloc);
width = galloc.width;
+ info.width = galloc.width;
height = galloc.height;
+ info.height = height;
+
cst = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cr = cairo_create(cst);
cairo_text_extents(cr, strmin, &te_min);
g_yoff = GRAPH_V_PADDING;
+ info.g_yoff = g_yoff;
g_height = height - GRAPH_V_PADDING;
if (te_etime.height > te_btime.height)
else
g_height -= GRAPH_V_PADDING + te_btime.height + GRAPH_V_PADDING;
+ info.g_height = g_height;
+
if (te_min.width > te_max.width)
g_xoff = (2 * GRAPH_H_PADDING) + te_max.width;
else
g_xoff = (2 * GRAPH_H_PADDING) + te_min.width;
+ info.g_xoff = g_xoff;
+
g_width = width - g_xoff - GRAPH_H_PADDING;
+ info.g_width = g_width;
- draw_graph_background(cr,
- g_xoff, g_yoff, g_width, g_height,
- width, height, config,
- w_graph);
+ draw_graph_background(cr, config, &info);
+ /* Set the color for text drawing */
cairo_set_source_rgb(cr,
- fgcolor->f_red, fgcolor->f_green, fgcolor->f_blue);
+ theme_fg_color.red,
+ theme_fg_color.green,
+ theme_fg_color.blue);
/* draw graph begin time */
cairo_move_to(cr, g_xoff, height - GRAPH_V_PADDING);
cairo_show_text(cr, str_etime);
free(str_etime);
- /* draw min and max temp */
- cairo_move_to(cr, GRAPH_H_PADDING, te_max.height + GRAPH_V_PADDING);
- cairo_show_text(cr, strmax);
- free(strmax);
-
- cairo_move_to(cr,
- GRAPH_H_PADDING, height - (te_min.height / 2) - g_yoff);
- cairo_show_text(cr, strmin);
- free(strmin);
-
- draw_background_lines(cr, fgcolor,
- g_width, g_height,
- g_xoff, g_yoff,
- mint, maxt);
+ draw_background_lines(cr, mint, maxt, config, &info);
/* .. and finaly draws the temperature graphs */
- bt = get_graph_begin_time_s(config);
- et = get_graph_end_time_s();
-
if (bt && et) {
- sensor_cur = sensors;
+ sensor_cur = enabled_sensors;
+
+ cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND);
+ cairo_set_line_width(cr, 1);
+ no_graphs = 1;
while (*sensor_cur) {
struct psensor *s = *sensor_cur;
- if (s->enabled) {
- double min, max;
-
- if (is_fan_type(s->type)) {
- min = min_rpm;
- max = max_rpm;
- } else if (s->type & SENSOR_TYPE_CPU_USAGE) {
- min = 0;
- max = get_max_value
- (sensors,
- SENSOR_TYPE_CPU_USAGE);
- } else {
- min = mint;
- max = maxt;
- }
+ no_graphs = 0;
+ if (s->type & SENSOR_TYPE_RPM) {
+ min = min_rpm;
+ max = max_rpm;
+ } else if (s->type & SENSOR_TYPE_PERCENT) {
+ min = 0;
+ max = get_max_value(enabled_sensors,
+ SENSOR_TYPE_PERCENT);
+ } else {
+ min = mint;
+ max = maxt;
+ }
+ if (is_smooth_curves_enabled)
+ draw_sensor_smooth_curve(s, cr,
+ min, max,
+ bt, et,
+ &info);
+ else
draw_sensor_curve(s, cr,
min, max,
bt, et,
- g_width, g_height,
- g_xoff, g_yoff);
- }
+ &info);
sensor_cur++;
}
+
+ if (no_graphs)
+ display_no_graphs_warning(cr,
+ g_xoff + 12,
+ g_height / 2);
}
+ draw_left_region(cr, &info);
+ draw_right_region(cr, &info);
+
+ /* draw min and max temp */
+ cairo_set_source_rgb(cr,
+ theme_fg_color.red,
+ theme_fg_color.green,
+ theme_fg_color.blue);
+
+ cairo_move_to(cr, GRAPH_H_PADDING, te_max.height + GRAPH_V_PADDING);
+ cairo_show_text(cr, strmax);
+ free(strmax);
+
+ cairo_move_to(cr,
+ GRAPH_H_PADDING, height - (te_min.height / 2) - g_yoff);
+ cairo_show_text(cr, strmin);
+ free(strmin);
+
cr_pixmap = gdk_cairo_create(gtk_widget_get_window(w_graph));
if (cr_pixmap) {
-
if (config->alpha_channel_enabled)
cairo_set_operator(cr_pixmap, CAIRO_OPERATOR_SOURCE);
cairo_paint(cr_pixmap);
}
+ free(enabled_sensors);
+
cairo_destroy(cr_pixmap);
cairo_surface_destroy(cst);
cairo_destroy(cr);
}
+
+int compute_values_max_length(struct config *c)
+{
+ int n, duration, interval;
+
+ duration = c->graph_monitoring_duration * 60;
+ interval = c->sensor_update_interval;
+
+ n = 3 + ceil((((double)duration) / interval) + 0.5) + 3;
+
+ return n;
+}
projects / psensor-pkg-debian.git / blobdiff