-#include <config.h>

-#include <stdio.h>

-#include <sys/stat.h>

-#include <unistd.h>

-#include <signal.h>

-#include <dirent.h>

-#include <string.h>

-#include <time.h>

-#include <glib.h>

-#include <gdk/gdkx.h>

-#include <gtk/gtk.h>

-#include <gio/gio.h>

-#include <mate-panel-applet.h>

-#include <mate-panel-applet-gsettings.h>

-#include <math.h>

-

-#include "global.h"

-

-/*

- Shifts data right

-

- data[i+1] = data[i]

-

- data[i] are int*, so we just move the pointer, not the data.

- But moving data loses data[n-1], so we save data[n-1] and reuse

- it as new data[0]. In fact, we rotate data[].

-

-*/

-

-static void

-shift_right(LoadGraph *g)

-{

- unsigned i;

- int* last_data;

-

- /* data[g->draw_width - 1] becomes data[0] */

- last_data = g->data[g->draw_width - 1];

-

- /* data[i+1] = data[i] */

- for(i = g->draw_width - 1; i != 0; --i)

- g->data[i] = g->data[i - 1];

-

- g->data[0] = last_data;

-}

-

-

-/* Redraws the backing pixmap for the load graph and updates the window */

-static void

-load_graph_draw (LoadGraph *g)

-{

- guint i, j, k;

- cairo_t *cr;

- int load;

- MultiloadApplet *multiload;

-

- multiload = g->multiload;

-

- /* we might get called before the configure event so that

- * g->disp->allocation may not have the correct size

- * (after the user resized the applet in the prop dialog). */

-

- if (!g->surface)

- g->surface = gdk_window_create_similar_surface (gtk_widget_get_window (g->disp),

- CAIRO_CONTENT_COLOR,

- g->draw_width, g->draw_height);

-

- cr = cairo_create (g->surface);

- cairo_set_line_width (cr, 1.0);

- cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);

- cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);

-

- /* all graphs except Load and Net go this path */

- if (g->id != graph_loadavg && g->id != graph_netload2)

- {

- for (i = 0; i < g->draw_width; i++)

- g->pos [i] = g->draw_height - 1;

-

- for (j = 0; j < g->n; j++)

- {

- gdk_cairo_set_source_rgba (cr, &(g->colors [j]));

-

- for (i = 0; i < g->draw_width; i++)

- {

- if (g->data [i][j] != 0)

- {

- cairo_move_to (cr, g->draw_width - i - 0.5, g->pos[i] + 0.5);

- cairo_line_to (cr, g->draw_width - i - 0.5, g->pos[i] - (g->data [i][j] - 0.5));

- }

- g->pos [i] -= g->data [i][j];

- }

- cairo_stroke (cr);

- }

- }

- /* This is for network graph */

- else if (g->id == graph_netload2)

- {

- guint maxnet = 1;

- gint segments = 1;

- gint combined;

- guint net_threshold;

-

- for (i = 0; i < g->draw_width; i++)

- {

- g->pos [i] = g->draw_height - 1;

- combined = g->data[i][0] +

- g->data[i][1] +

- g->data[i][2];

- if (combined > maxnet)

- maxnet = combined;

- }

- //printf("max = %d ", maxnet);

- guint level = 0;

- if (maxnet > multiload->net_threshold3) {

- net_threshold = multiload->net_threshold3;

- level = 3;

- }

- else

- if (maxnet > multiload->net_threshold2) {

- net_threshold = multiload->net_threshold2;

- level = 2;

- }

- else {

- net_threshold = multiload->net_threshold1;

- level = 1;

- if (maxnet < multiload->net_threshold1)

- level = 0;

- }

-

- //printf("level %d maxnet = %d ", level, maxnet);

- maxnet = maxnet/net_threshold;

- segments = MAX (maxnet+1,1);

- float ratio = (float)g->draw_height/net_threshold/segments;

- //printf("segments %d ratio = %f t1=%ld t2=%ld t3=%ld t=%ld\n", segments, ratio, multiload->net_threshold1, multiload->net_threshold2, multiload->net_threshold3, multiload->net_threshold);

-

- for (j = 0; j < g->n-1; j++)

- {

- gdk_cairo_set_source_rgba (cr, &(g->colors [j]));

-

- for (i = 0; i < g->draw_width; i++)

- {

- cairo_move_to (cr, g->draw_width - i - 0.5, g->pos[i] + 0.5);

- cairo_line_to (cr, g->draw_width - i - 0.5, g->pos[i] - 0.5 - ((g->data [i][j] * ratio)));

- g->pos [i] -= ((g->data [i][j] * ratio));

- }

- cairo_stroke (cr);

- }

-

- for (j = g->n-1; j < g->n; j++)

- {

- gdk_cairo_set_source_rgba (cr, &(g->colors [j]));

- for (i = 0; i < g->draw_width; i++)

- {

- cairo_move_to (cr, g->draw_width - i - 0.5, g->pos[i] + 0.5);

- cairo_line_to (cr, g->draw_width - i - 0.5, 0.5);

- }

- cairo_stroke (cr);

- }

-

- /* draw grid lines if needed */

- gdk_cairo_set_source_rgba (cr, &(g->colors [4]));

- double spacing;

- for (k = 0; k < segments -1; k++)

- {

- spacing = ((double) g->draw_height/segments) * (k+1);

- cairo_move_to (cr, 0.5, spacing);

- cairo_line_to (cr, g->draw_width-0.5, spacing);

- }

- cairo_stroke (cr);

- /* draw indicator if needed */

- if (level > 0)

- {

- gdk_cairo_set_source_rgba (cr, &(g->colors [5]));

- for (k = 0; k< level; k++ )

- cairo_rectangle(cr, 0.5, (k*2) * g->draw_height/5, 5, g->draw_height/5);

- cairo_fill(cr);

- }

- cairo_stroke (cr);

- }

- /* this is Load graph */

- else

- {

- guint maxload = 1;

- for (i = 0; i < g->draw_width; i++)

- {

- g->pos [i] = g->draw_height - 1;

- /* find maximum value */

- if (g->data[i][0] > maxload)

- maxload = g->data[i][0];

- }

- load = ceil ((double) (maxload/g->draw_height)) + 1;

- load = MAX (load,1);

-

- for (j = 0; j < g->n; j++)

- {

- gdk_cairo_set_source_rgba (cr, &(g->colors [j]));

-

- for (i = 0; i < g->draw_width; i++)

- {

- cairo_move_to (cr, g->draw_width - i - 0.5, g->pos[i] + 0.5);

- if (j == 0)

- {

- cairo_line_to (cr, g->draw_width - i - 0.5, g->pos[i] - ((g->data [i][j] - 0.5)/load));

- }

- else

- {

- cairo_line_to (cr, g->draw_width - i - 0.5, 0.5);

- }

- g->pos [i] -= g->data [i][j] / load;

- }

- cairo_stroke (cr);

- }

-

- /* draw grid lines in Load graph if needed */

- gdk_cairo_set_source_rgba (cr, &(g->colors [2]));

-

- double spacing;

- for (k = 0; k < load - 1; k++)

- {

- spacing = ((double) g->draw_height/load) * (k+1);

- cairo_move_to (cr, 0.5, spacing);

- cairo_line_to (cr, g->draw_width-0.5, spacing);

- }

-

- cairo_stroke (cr);

- }

- gtk_widget_queue_draw (g->disp);

-

- cairo_destroy (cr);

-}

-

-/* Updates the load graph when the timeout expires */

-static gboolean

-load_graph_update (LoadGraph *g)

-{

- if (g->data == NULL)

- return TRUE;

-

- shift_right(g);

-

- if (g->tooltip_update)

- multiload_applet_tooltip_update(g);

-

- g->get_data (g->draw_height, g->data [0], g);

-

- load_graph_draw (g);

- return TRUE;

-}

-

-void

-load_graph_unalloc (LoadGraph *g)

-{

- guint i;

-

- if (!g->allocated)

- return;

-

- for (i = 0; i < g->draw_width; i++)

- {

- g_free (g->data [i]);

- }

-

- g_free (g->data);

- g_free (g->pos);

-

- g->pos = NULL;

- g->data = NULL;

-

- g->size = g_settings_get_int(g->multiload->settings, "size");

- g->size = MAX (g->size, 10);

-

- if (g->surface) {

- cairo_surface_destroy (g->surface);

- g->surface = NULL;

- }

-

- g->allocated = FALSE;

-}

-

-static void

-load_graph_alloc (LoadGraph *g)

-{

- guint i;

-

- if (g->allocated)

- return;

-

- g->data = g_new0 (gint *, g->draw_width);

- g->pos = g_new0 (guint, g->draw_width);

-

- g->data_size = sizeof (guint) * g->n;

-

- for (i = 0; i < g->draw_width; i++) {

- g->data [i] = g_malloc0 (g->data_size);

- }

-

- g->allocated = TRUE;

-}

-

-static gint

-load_graph_configure (GtkWidget *widget, GdkEventConfigure *event,

- gpointer data_ptr)

-{

- GtkAllocation allocation;

- LoadGraph *c = (LoadGraph *) data_ptr;

-

- load_graph_unalloc (c);

-

- gtk_widget_get_allocation (c->disp, &allocation);

-

- c->draw_width = allocation.width;

- c->draw_height = allocation.height;

- c->draw_width = MAX (c->draw_width, 1);

- c->draw_height = MAX (c->draw_height, 1);

-

- load_graph_alloc (c);

-

- if (!c->surface)

- c->surface = gdk_window_create_similar_surface (gtk_widget_get_window (c->disp),

- CAIRO_CONTENT_COLOR,

- c->draw_width, c->draw_height);

- gtk_widget_queue_draw (widget);

-

- return TRUE;

-}

-

-static gint

-load_graph_expose (GtkWidget *widget,

- cairo_t *cr,

- gpointer data_ptr)

-{

- LoadGraph *g = (LoadGraph *) data_ptr;

-

- cairo_set_source_surface (cr, g->surface, 0, 0);

- cairo_paint (cr);

-

- return FALSE;

-}

-

-static void

-load_graph_destroy (GtkWidget *widget, gpointer data_ptr)

-{

- LoadGraph *g = (LoadGraph *) data_ptr;

-

- load_graph_stop (g);

-

- gtk_widget_destroy(widget);

-}

-

-static gboolean

-load_graph_clicked (GtkWidget *widget, GdkEventButton *event, LoadGraph *load)

-{

- load->multiload->last_clicked = load->id;

-

- return FALSE;

-}

-

-static gboolean

-load_graph_enter_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)

-{

- LoadGraph *graph;

- graph = (LoadGraph *)data;

-

- graph->tooltip_update = TRUE;

- multiload_applet_tooltip_update(graph);

-

- return TRUE;

-}

-

-static gboolean

-load_graph_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)

-{

- LoadGraph *graph;

- graph = (LoadGraph *)data;

-

- graph->tooltip_update = FALSE;

-

- return TRUE;

-}

-

-static void

-load_graph_load_config (LoadGraph *g)

-{

- gchar *name, *temp;

- guint i;

-

- if (!g->colors)

- g->colors = g_new0(GdkRGBA, g->n);

-

- for (i = 0; i < g->n; i++)

- {

- name = g_strdup_printf ("%s-color%u", g->name, i);

- temp = g_settings_get_string(g->multiload->settings, name);

- if (!temp)

- temp = g_strdup ("#000000");

- gdk_rgba_parse(&(g->colors[i]), temp);

- g_free(temp);

- g_free(name);

- }

-}

-

-LoadGraph *

-load_graph_new (MultiloadApplet *ma, guint n, const gchar *label,

- guint id, guint speed, guint size, gboolean visible,

- const gchar *name, LoadGraphDataFunc get_data)

-{

- LoadGraph *g;

- MatePanelAppletOrient orient;

-

- g = g_new0 (LoadGraph, 1);

- g->visible = visible;

- g->name = name;

- g->n = n;

- g->id = id;

- g->speed = MAX (speed, 50);

- g->size = MAX (size, 10);

- g->pixel_size = mate_panel_applet_get_size (ma->applet);

- g->tooltip_update = FALSE;

- g->multiload = ma;

-

- g->main_widget = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);

-

- g->box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);

-

- orient = mate_panel_applet_get_orient (g->multiload->applet);

- switch (orient)

- {

- case MATE_PANEL_APPLET_ORIENT_UP:

- case MATE_PANEL_APPLET_ORIENT_DOWN:

- {

- g->orient = FALSE;

- break;

- }

- case MATE_PANEL_APPLET_ORIENT_LEFT:

- case MATE_PANEL_APPLET_ORIENT_RIGHT:

- {

- g->orient = TRUE;

- break;

- }

- default:

- g_assert_not_reached ();

- }

-

- g->frame = gtk_frame_new (NULL);

- gtk_frame_set_shadow_type (GTK_FRAME (g->frame), GTK_SHADOW_IN);

- gtk_container_add (GTK_CONTAINER (g->frame), g->box);

- gtk_box_pack_start (GTK_BOX (g->main_widget), g->frame, TRUE, TRUE, 0);

-

- load_graph_load_config (g);

-

- g->get_data = get_data;

-

- g->timer_index = -1;

-

- if (g->orient)

- gtk_widget_set_size_request (g->main_widget, -1, g->size);

- else

- gtk_widget_set_size_request (g->main_widget, g->size, -1);

-

- g->disp = gtk_drawing_area_new ();

- gtk_widget_set_events (g->disp, GDK_EXPOSURE_MASK |

- GDK_ENTER_NOTIFY_MASK |

- GDK_LEAVE_NOTIFY_MASK |

- GDK_BUTTON_PRESS_MASK);

-

- g_signal_connect (G_OBJECT (g->disp), "draw",

- G_CALLBACK (load_graph_expose), g);

- g_signal_connect (G_OBJECT(g->disp), "configure_event",

- G_CALLBACK (load_graph_configure), g);

- g_signal_connect (G_OBJECT(g->disp), "destroy",

- G_CALLBACK (load_graph_destroy), g);

- g_signal_connect (G_OBJECT(g->disp), "button-press-event",

- G_CALLBACK (load_graph_clicked), g);

- g_signal_connect (G_OBJECT(g->disp), "enter-notify-event",

- G_CALLBACK(load_graph_enter_cb), g);

- g_signal_connect (G_OBJECT(g->disp), "leave-notify-event",

- G_CALLBACK(load_graph_leave_cb), g);

-

- gtk_box_pack_start (GTK_BOX (g->box), g->disp, TRUE, TRUE, 0);

- gtk_widget_show_all(g->box);

-

- return g;

-}

-

-void

-load_graph_start (LoadGraph *g)

-{

- if (g->timer_index != -1)

- g_source_remove (g->timer_index);

-

- g->timer_index = g_timeout_add (g->speed,

- (GSourceFunc) load_graph_update, g);

-}

-

-void

-load_graph_stop (LoadGraph *g)

-{

- if (g->timer_index != -1)

- g_source_remove (g->timer_index);

-

- g->timer_index = -1;

-}