+++ /dev/null
-/*
- * 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
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * 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
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-#include <stdlib.h>
-#include <string.h>
-
-#include <sys/time.h>
-
-#include <glib/gi18n.h>
-#include <gtk/gtk.h>
-
-#include <math.h>
-
-#include <cfg.h>
-#include <graph.h>
-#include <parray.h>
-#include <plog.h>
-#include <psensor.h>
-
-/* horizontal padding */
-static const int GRAPH_H_PADDING = 4;
-/* vertical padding */
-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 void update_theme(GtkWidget *w)
-{
- 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);
-}
-
-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;
-}
-
-/* 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)
-{
- 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++;
- }
-
- return ret;
-}
-
-static time_t get_graph_begin_time_s(struct config *cfg, time_t etime)
-{
- if (!etime)
- return 0;
-
- return etime - cfg->graph_monitoring_duration * 60;
-}
-
-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;
-}
-
-static char *time_to_str(time_t s)
-{
- char *str;
- /* note: localtime returns a static field, no free required */
- struct tm *tm = localtime(&s);
-
- if (!tm)
- return NULL;
-
- str = malloc(6);
- strftime(str, 6, "%H:%M", tm);
-
- 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,
- struct config *config,
- struct graph_info *info)
-{
- struct color *bgcolor;
-
- bgcolor = config->graph_bgcolor;
-
- if (config->alpha_channel_enabled)
- cairo_set_source_rgba(cr,
- theme_bg_color.red,
- theme_bg_color.green,
- theme_bg_color.blue,
- config->graph_bg_alpha);
- else
- cairo_set_source_rgb(cr,
- theme_bg_color.red,
- theme_bg_color.green,
- theme_bg_color.blue);
-
- 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->red,
- bgcolor->green,
- bgcolor->blue,
- config->graph_bg_alpha);
- else
- cairo_set_source_rgb(cr,
- bgcolor->red,
- bgcolor->green,
- bgcolor->blue);
-
- cairo_rectangle(cr,
- info->g_xoff,
- info->g_yoff,
- info->g_width,
- info->g_height);
- cairo_fill(cr);
-}
-
-/* setup dash style */
-static double dashes[] = {
- 1.0, /* ink */
- 2.0, /* skip */
-};
-static int ndash = ARRAY_SIZE(dashes);
-
-static void draw_background_lines(cairo_t *cr,
- 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->red, color->green, color->blue);
-
- /* vertical lines representing time steps */
- for (i = 0; i <= 5; i++) {
- 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) {
- 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, 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,
- cairo_t *cr,
- double min,
- double max,
- int bt,
- int et,
- struct graph_info *info)
-{
- int first, i, t, dt, vdt;
- double v, x, y;
- GdkRGBA *color;
-
- color = config_get_sensor_color(s->id);
- cairo_set_source_rgb(cr,
- color->red,
- color->green,
- color->blue);
- gdk_rgba_free(color);
-
- dt = et - bt;
- first = 1;
- for (i = 0; i < s->values_max_length; i++) {
- t = s->measures[i].time.tv_sec;
- v = s->measures[i].value;
-
- if (v == UNKNOWN_DBL_VALUE || !t)
- continue;
-
- vdt = t - bt;
-
- 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);
- first = 0;
- } else {
- cairo_line_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,
- GtkWidget *window)
-{
- int et, bt, width, height, g_width, g_height;
- double min_rpm, max_rpm, mint, maxt, min, max;
- char *strmin, *strmax;
- /* horizontal and vertical offset of the graph */
- 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, **enabled_sensors;
- GtkAllocation galloc;
- struct graph_info info;
-
- if (!gtk_widget_is_drawable(w_graph))
- return;
-
- if (!style)
- update_theme(window);
-
- enabled_sensors = list_filter_graph_enabled(sensors);
-
- min_rpm = get_min_rpm(enabled_sensors);
- max_rpm = get_max_rpm(enabled_sensors);
-
- 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);
-
- et = get_graph_end_time_s(enabled_sensors);
- bt = get_graph_begin_time_s(config, et);
-
- 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_select_font_face(cr,
- "sans-serif",
- CAIRO_FONT_SLANT_NORMAL,
- CAIRO_FONT_WEIGHT_NORMAL);
- cairo_set_font_size(cr, 10.0);
-
- cairo_text_extents(cr, str_etime, &te_etime);
- cairo_text_extents(cr, str_btime, &te_btime);
- cairo_text_extents(cr, strmax, &te_max);
- 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)
- g_height -= GRAPH_V_PADDING + te_etime.height + GRAPH_V_PADDING;
- 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, config, &info);
-
- /* Set the color for text drawing */
- cairo_set_source_rgb(cr,
- 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_btime);
- free(str_btime);
-
- /* draw graph end time */
- cairo_move_to(cr,
- width - te_etime.width - GRAPH_H_PADDING,
- height - GRAPH_V_PADDING);
- cairo_show_text(cr, str_etime);
- free(str_etime);
-
- draw_background_lines(cr, mint, maxt, config, &info);
-
- /* .. and finaly draws the temperature graphs */
- if (bt && et) {
- 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;
-
- 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,
- &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_set_source_surface(cr_pixmap, cst, 0, 0);
- 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