/*
- Copyright (C) 2010-2011 wpitchoune@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
-*/
-
+ * Copyright (C) 2010-2014 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 "cfg.h"
+#include "log.h"
#include "psensor.h"
/* horizontal padding */
static void
draw_graph_background(cairo_t *cr,
- int width, int height, struct config *config)
+ int g_xoff, int g_yoff,
+ int g_width, int g_height,
+ int width, int height, struct config *config,
+ GtkWidget *widget,
+ GtkWidget *window)
{
- struct color *bgcolor = config->graph_bgcolor;
+ GtkStyleContext *style_ctx;
+ struct color *bgcolor;
+ GdkRGBA rgba;
+
+ bgcolor = config->graph_bgcolor;
+
+ style_ctx = gtk_widget_get_style_context(window);
+ gtk_style_context_get_background_color(style_ctx,
+ GTK_STATE_FLAG_NORMAL,
+ &rgba);
- /* draw background */
+ if (config->alpha_channel_enabled)
+ cairo_set_source_rgba(cr,
+ rgba.red,
+ rgba.green,
+ rgba.blue,
+ config->graph_bg_alpha);
+ else
+ cairo_set_source_rgb(cr,
+ rgba.red,
+ rgba.green,
+ rgba.blue);
+
+ cairo_rectangle(cr, 0, 0, width, 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->f_blue,
+ config->graph_bg_alpha);
else
cairo_set_source_rgb(cr,
bgcolor->f_red,
- bgcolor->f_green, bgcolor->f_blue);
+ bgcolor->f_green,
+ bgcolor->f_blue);
- cairo_rectangle(cr, 0, 0, width, height);
+ cairo_rectangle(cr, g_xoff, g_yoff, g_width, g_height);
cairo_fill(cr);
}
/* setup dash style */
static double dashes[] = {
1.0, /* ink */
- 1.0, /* skip */
- 1.0, /* ink */
- 1.0 /* skip */
+ 2.0, /* skip */
};
static int ndash = sizeof(dashes) / sizeof(dashes[0]);
int i;
/* draw background lines */
- cairo_set_dash(cr, dashes, ndash, 0);
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);
/* back to normal line style */
cairo_set_dash(cr, 0, 0, 0);
-
}
static void draw_sensor_curve(struct psensor *s,
int g_xoff,
int g_yoff)
{
- int first = 1;
- int i;
+ int first, i, x, y, t, dt, vdt;
+ double v;
cairo_set_source_rgb(cr,
s->color->f_red,
s->color->f_green,
s->color->f_blue);
- cairo_set_line_width(cr, 1);
+ 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;
- if (v == UNKNOWN_VALUE || !t || (t - bt) < 0)
+ if (v == UNKNOWN_DBL_VALUE || !t)
continue;
- x = (t - bt) * g_width / (et - bt) + g_xoff;
+ vdt = t - bt;
+ if (vdt < 0)
+ continue;
+
+ x = vdt * g_width / dt + g_xoff;
y = compute_y(v, min, max, g_height, g_yoff);
cairo_stroke(cr);
}
-
-void
-graph_update(struct psensor **sensors,
- GtkWidget *w_graph, struct config *config)
+static void display_no_graphs_warning(cairo_t *cr, int x, int y)
{
- struct color *fgcolor = config->graph_fgcolor;
- int et, bt;
- double min_rpm = get_min_rpm(sensors);
- double max_rpm = get_max_rpm(sensors);
+ char *msg;
- double mint = get_min_temp(sensors);
- char *strmin = psensor_value_to_string(SENSOR_TYPE_TEMP, mint);
+ msg = strdup(_("No graphs enabled"));
- double maxt = get_max_temp(sensors);
- char *strmax = psensor_value_to_string(SENSOR_TYPE_TEMP, maxt);
+ cairo_select_font_face(cr,
+ "sans-serif",
+ CAIRO_FONT_SLANT_NORMAL,
+ CAIRO_FONT_WEIGHT_NORMAL);
+ cairo_set_font_size(cr, 18.0);
- int width = w_graph->allocation.width;
- int height = w_graph->allocation.height;
+ cairo_move_to(cr, x, y);
+ cairo_show_text(cr, msg);
- int g_width, g_height;
+ free(msg);
+}
+void
+graph_update(struct psensor **sensors,
+ GtkWidget *w_graph,
+ 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;
+ char *strmin, *strmax;
/* horizontal and vertical offset of the graph */
- int g_xoff, g_yoff;
+ int g_xoff, g_yoff, no_graphs, min, max;
+ 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;
+ GtkStyleContext *style_ctx;
+ GdkRGBA rgba;
- cairo_surface_t *cst = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
- width,
- height);
- cairo_t *cr = cairo_create(cst);
- cairo_t *cr_pixmap;
+ if (!gtk_widget_is_drawable(w_graph))
+ return ;
- char *str_btime = time_to_str(get_graph_begin_time_s(config));
- cairo_text_extents_t te_btime;
+ enabled_sensors = psensor_list_filter_graph_enabled(sensors);
- char *str_etime = time_to_str(get_graph_end_time_s());
- cairo_text_extents_t te_etime;
+ min_rpm = get_min_rpm(enabled_sensors);
+ max_rpm = get_max_rpm(enabled_sensors);
- cairo_text_extents_t te_max, te_min;
+ mint = get_min_temp(enabled_sensors);
+ strmin = psensor_value_to_str(SENSOR_TYPE_TEMP,
+ mint,
+ config->temperature_unit == CELCIUS);
- struct psensor **sensor_cur;
+ maxt = get_max_temp(enabled_sensors);
+ strmax = psensor_value_to_str(SENSOR_TYPE_TEMP,
+ maxt,
+ config->temperature_unit == CELCIUS);
- draw_graph_background(cr, width, height, config);
+ str_btime = time_to_str(get_graph_begin_time_s(config));
+ str_etime = time_to_str(get_graph_end_time_s());
+
+ gtk_widget_get_allocation(w_graph, &galloc);
+ width = galloc.width;
+ height = galloc.height;
+
+ cst = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
+ cr = cairo_create(cst);
cairo_select_font_face(cr,
"sans-serif",
g_width = width - g_xoff - GRAPH_H_PADDING;
- cairo_set_source_rgb(cr,
- fgcolor->f_red, fgcolor->f_green, fgcolor->f_blue);
+ draw_graph_background(cr,
+ g_xoff, g_yoff, g_width, g_height,
+ width, height, config,
+ w_graph,
+ window);
+
+ /** Set the color for text drawing */
+ style_ctx = gtk_widget_get_style_context(window);
+ gtk_style_context_get_color(style_ctx, GTK_STATE_FLAG_NORMAL, &rgba);
+ cairo_set_source_rgb(cr, rgba.red, rgba.green, rgba.blue);
/* draw graph begin time */
cairo_move_to(cr, g_xoff, height - GRAPH_V_PADDING);
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 {
- min = mint;
- max = maxt;
- }
-
- draw_sensor_curve(s, cr,
- min, max,
- bt, et,
- g_width, g_height,
- g_xoff, g_yoff);
+ no_graphs = 0;
+ 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(enabled_sensors,
+ SENSOR_TYPE_CPU_USAGE);
+ } else {
+ min = mint;
+ max = maxt;
}
+ draw_sensor_curve(s, cr,
+ min, max,
+ bt, et,
+ g_width, g_height,
+ g_xoff, g_yoff);
+
sensor_cur++;
}
+
+ if (no_graphs)
+ display_no_graphs_warning(cr,
+ g_xoff + 12,
+ g_height / 2);
}
- cr_pixmap = gdk_cairo_create(w_graph->window);
+ cr_pixmap = gdk_cairo_create(gtk_widget_get_window(w_graph));
if (cr_pixmap) {
cairo_paint(cr_pixmap);
}
+ free(enabled_sensors);
+
cairo_destroy(cr_pixmap);
cairo_surface_destroy(cst);
cairo_destroy(cr);