#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 <mate-panel-applet.h> #include <mate-panel-applet-mateconf.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) { GtkStyle *style; guint i, j; /* 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->pixmap) g->pixmap = gdk_pixmap_new (gtk_widget_get_window (g->disp), g->draw_width, g->draw_height, gtk_widget_get_visual (g->disp)->depth); style = gtk_widget_get_style (g->disp); /* Create GC if necessary. */ if (!g->gc) { g->gc = gdk_gc_new (gtk_widget_get_window (g->disp)); gdk_gc_copy (g->gc, style->black_gc); } /* Allocate colors. */ if (!g->colors_allocated) { GdkColormap *colormap; colormap = gdk_drawable_get_colormap (gtk_widget_get_window (g->disp)); for (i = 0; i < g->n; i++) gdk_colormap_alloc_color (colormap, &(g->colors [i]), FALSE, TRUE); g->colors_allocated = 1; } /* Erase Rectangle */ gdk_draw_rectangle (g->pixmap, style->black_gc, TRUE, 0, 0, g->draw_width, g->draw_height); for (i = 0; i < g->draw_width; i++) g->pos [i] = g->draw_height - 1; for (j = 0; j < g->n; j++) { gdk_gc_set_foreground (g->gc, &(g->colors [j])); for (i = 0; i < g->draw_width; i++) { if (g->data [i][j] != 0) { gdk_draw_line (g->pixmap, g->gc, g->draw_width - i - 1, g->pos[i], g->draw_width - i - 1, g->pos[i] - (g->data [i][j] - 1)); g->pos [i] -= g->data [i][j]; } } } gdk_draw_drawable (gtk_widget_get_window (g->disp), style->fg_gc [gtk_widget_get_state (g->disp)], g->pixmap, 0, 0, 0, 0, g->draw_width, g->draw_height); } /* 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 = mate_panel_applet_mateconf_get_int(g->multiload->applet, "size", NULL); g->size = MAX (g->size, 10); if (g->pixmap) { g_object_unref (g->pixmap); g->pixmap = NULL; } if (g->gc) { g_object_unref (g->gc); g->gc = 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->pixmap) c->pixmap = gdk_pixmap_new (gtk_widget_get_window (c->disp), c->draw_width, c->draw_height, gtk_widget_get_visual (c->disp)->depth); gdk_draw_rectangle (c->pixmap, (gtk_widget_get_style (widget))->black_gc, TRUE, 0,0, c->draw_width, c->draw_height); gdk_draw_drawable (gtk_widget_get_window (widget), (gtk_widget_get_style (c->disp))->fg_gc [gtk_widget_get_state (widget)], c->pixmap, 0, 0, 0, 0, c->draw_width, c->draw_height); return TRUE; } static gint load_graph_expose (GtkWidget *widget, GdkEventExpose *event, gpointer data_ptr) { LoadGraph *g = (LoadGraph *) data_ptr; gdk_draw_drawable (gtk_widget_get_window (widget), (gtk_widget_get_style (widget))->fg_gc [gtk_widget_get_state (widget)], g->pixmap, event->area.x, event->area.y, event->area.x, event->area.y, event->area.width, event->area.height); return FALSE; } static void load_graph_destroy (GtkWidget *widget, gpointer data_ptr) { LoadGraph *g = (LoadGraph *) data_ptr; load_graph_stop (g); netspeed_delete(g->netspeed_in); netspeed_delete(g->netspeed_out); 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 [BUFSIZ], *temp; guint i; if (!g->colors) g->colors = g_new0(GdkColor, g->n); for (i = 0; i < g->n; i++) { g_snprintf(name, sizeof(name), "%s_color%u", g->name, i); temp = mate_panel_applet_mateconf_get_string(g->multiload->applet, name, NULL); if (!temp) temp = g_strdup ("#000000"); gdk_color_parse(temp, &(g->colors[i])); g_free(temp); } } 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->netspeed_in = netspeed_new(g); g->netspeed_out = netspeed_new(g); 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->show_frame = TRUE; g->multiload = ma; g->main_widget = gtk_vbox_new (FALSE, 0); g->box = gtk_vbox_new (FALSE, 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 (); } if (g->show_frame) { 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); } else { g->frame = NULL; gtk_box_pack_start (GTK_BOX (g->main_widget), g->box, 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), "expose_event", 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; }