X-Git-Url: http://wpitchoune.net/gitweb/?p=psensor-pkg-debian.git;a=blobdiff_plain;f=src%2Fgraph.c;fp=src%2Fgraph.c;h=0000000000000000000000000000000000000000;hp=71090aa4f4e38600da10a780e59e41bd04e2c5eb;hb=46d058bd1e0f43ea797d19c7e71464e5cf65e902;hpb=02611eef7107eba73945e0ad47edb129c6261cc2

diff --git a/src/graph.c b/src/graph.c
deleted file mode 100644
index 71090aa..0000000
--- a/src/graph.c
+++ /dev/null
@@ -1,673 +0,0 @@
-/*
- * 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;
-}