diff options
Diffstat (limited to 'multiload/load-graph.c')
| -rw-r--r-- | multiload/load-graph.c | 501 |
1 files changed, 0 insertions, 501 deletions
diff --git a/multiload/load-graph.c b/multiload/load-graph.c deleted file mode 100644 index 953dc5b2..00000000 --- a/multiload/load-graph.c +++ /dev/null @@ -1,501 +0,0 @@ -#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; -} |