diff options
Diffstat (limited to 'src/trg-torrent-graph3.c')
-rw-r--r-- | src/trg-torrent-graph3.c | 639 |
1 files changed, 0 insertions, 639 deletions
diff --git a/src/trg-torrent-graph3.c b/src/trg-torrent-graph3.c deleted file mode 100644 index 85269bc..0000000 --- a/src/trg-torrent-graph3.c +++ /dev/null @@ -1,639 +0,0 @@ -/* - * transmission-remote-gtk - A GTK RPC client to Transmission - * Copyright (C) 2011 Alan Fitton - - * 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. - */ - -/* - * This graph drawing code was taken from gnome-system-monitor (load-graph.cpp) - * Converted the class from C++ to GObject, substituted out some STL (C++) - * functions, and removed the unecessary parts for memory/cpu. - * - * Would be nice if it supported configurable timespans. This could possibly - * be replaced with ubergraph, which is a graphing widget for GTK (C) also based - * on this widget but with some improvements I didn't do. - */ - -#include "trg-torrent-graph3.h" - -#if GTK_CHECK_VERSION( 3, 0, 0 ) - -#include <math.h> -#include <glib.h> -#include <cairo.h> -#include <glib/gi18n.h> -#include <gtk/gtk.h> -#include "util.h" - -/* damn you freebsd */ -#define log2(x) (log(x)/0.69314718055994530942) - -#define GRAPH_NUM_POINTS 62 -#define GRAPH_MIN_HEIGHT 40 -#define GRAPH_NUM_LINES 2 -#define GRAPH_NUM_DATA_BLOCK_ELEMENTS GRAPH_NUM_POINTS * GRAPH_NUM_LINES -#define GRAPH_OUT_COLOR "#2D7DB3" -#define GRAPH_IN_COLOR "#844798" -#define GRAPH_LINE_WIDTH 3 -#define GRAPH_FRAME_WIDTH 4 - -G_DEFINE_TYPE(TrgTorrentGraph, trg_torrent_graph, GTK_TYPE_VBOX) -#define TRG_TORRENT_GRAPH_GET_PRIVATE(o) \ - (G_TYPE_INSTANCE_GET_PRIVATE ((o), TRG_TYPE_TORRENT_GRAPH, TrgTorrentGraphPrivate)) -typedef struct _TrgTorrentGraphPrivate TrgTorrentGraphPrivate; - -struct _TrgTorrentGraphPrivate { - double fontsize; - double rmargin; - double indent; - guint speed; - guint draw_width, draw_height; - guint render_counter; - guint frames_per_unit; - guint graph_dely; - guint real_draw_height; - double graph_delx; - guint graph_buffer_offset; - - GdkColor colors[GRAPH_NUM_LINES]; - - float data_block[GRAPH_NUM_POINTS * GRAPH_NUM_LINES]; - GList *points; - - GtkWidget *disp; - cairo_surface_t *background; - guint timer_index; - gboolean draw; - guint64 out, in; - unsigned int max; - unsigned values[GRAPH_NUM_POINTS]; - size_t cur; - GtkStyle *style; - - GtkWidget *label_in; - GtkWidget *label_out; -}; - -static int trg_torrent_graph_update(gpointer user_data); - -static void -trg_torrent_graph_get_property(GObject * object, guint property_id, - GValue * value, GParamSpec * pspec) -{ - switch (property_id) { - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec); - break; - } -} - -static void -trg_torrent_graph_set_property(GObject * object, guint property_id, - const GValue * value, GParamSpec * pspec) -{ - switch (property_id) { - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec); - break; - } -} - -void trg_torrent_graph_draw_background(TrgTorrentGraph * g) -{ - TrgTorrentGraphPrivate *priv; - GtkAllocation allocation; - - double dash[2] = { 1.0, 2.0 }; - cairo_t *cr; - guint i; - unsigned num_bars; - char *caption; - cairo_text_extents_t extents; - unsigned rate; - unsigned total_seconds; - - priv = TRG_TORRENT_GRAPH_GET_PRIVATE(g); - - num_bars = trg_torrent_graph_get_num_bars(g); - priv->graph_dely = (priv->draw_height - 15) / num_bars; /* round to int to avoid AA blur */ - priv->real_draw_height = priv->graph_dely * num_bars; - priv->graph_delx = - (priv->draw_width - 2.0 - priv->rmargin - - priv->indent) / (GRAPH_NUM_POINTS - 3); - priv->graph_buffer_offset = - (int) (1.5 * priv->graph_delx) + GRAPH_FRAME_WIDTH; - - gtk_widget_get_allocation(priv->disp, &allocation); - priv->background = - gdk_pixmap_new(GDK_DRAWABLE(gtk_widget_get_window(priv->disp)), - allocation.width, allocation.height, -1); - cr = gdk_cairo_create(priv->background); - - gdk_cairo_set_source_color(cr, &priv->style->bg[GTK_STATE_NORMAL]); - cairo_paint(cr); - cairo_translate(cr, GRAPH_FRAME_WIDTH, GRAPH_FRAME_WIDTH); - cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); - cairo_rectangle(cr, priv->rmargin + priv->indent, 0, - priv->draw_width - priv->rmargin - priv->indent, - priv->real_draw_height); - - cairo_fill(cr); - - cairo_set_line_width(cr, 1.0); - cairo_set_dash(cr, dash, 2, 0); - cairo_set_font_size(cr, priv->fontsize); - - for (i = 0; i <= num_bars; ++i) { - double y; - gchar caption[32]; - - if (i == 0) - y = 0.5 + priv->fontsize / 2.0; - else if (i == num_bars) - y = i * priv->graph_dely + 0.5; - else - y = i * priv->graph_dely + priv->fontsize / 2.0; - - gdk_cairo_set_source_color(cr, &priv->style->fg[GTK_STATE_NORMAL]); - rate = priv->max - (i * priv->max / num_bars); - trg_strlspeed(caption, (gint64) (rate / 1024)); - cairo_text_extents(cr, caption, &extents); - cairo_move_to(cr, priv->indent - extents.width + 20, y); - cairo_show_text(cr, caption); - } - - cairo_stroke(cr); - - cairo_set_dash(cr, dash, 2, 1.5); - - total_seconds = priv->speed * (GRAPH_NUM_POINTS - 2) / 1000; - - for (i = 0; i < 7; i++) { - unsigned seconds; - const char *format; - double x = - (i) * (priv->draw_width - priv->rmargin - priv->indent) / 6; - cairo_set_source_rgba(cr, 0, 0, 0, 0.75); - cairo_move_to(cr, (ceil(x) + 0.5) + priv->rmargin + priv->indent, - 0.5); - cairo_line_to(cr, (ceil(x) + 0.5) + priv->rmargin + priv->indent, - priv->real_draw_height + 4.5); - cairo_stroke(cr); - seconds = total_seconds - i * total_seconds / 6; - if (i == 0) - format = "%u seconds"; - else - format = "%u"; - caption = g_strdup_printf(format, seconds); - cairo_text_extents(cr, caption, &extents); - cairo_move_to(cr, - ((ceil(x) + 0.5) + priv->rmargin + priv->indent) - - (extents.width / 2), priv->draw_height); - gdk_cairo_set_source_color(cr, &priv->style->fg[GTK_STATE_NORMAL]); - cairo_show_text(cr, caption); - g_free(caption); - } - - cairo_stroke(cr); - cairo_destroy(cr); -} - -void trg_torrent_graph_set_nothing(TrgTorrentGraph * g) -{ - TrgTorrentGraphPrivate *priv = TRG_TORRENT_GRAPH_GET_PRIVATE(g); - - priv->in = priv->out = 0; -} - -void -trg_torrent_graph_set_speed(TrgTorrentGraph * g, - trg_torrent_model_update_stats * stats) -{ - TrgTorrentGraphPrivate *priv = TRG_TORRENT_GRAPH_GET_PRIVATE(g); - - priv->in = (guint64) stats->downRateTotal; - priv->out = (guint64) stats->upRateTotal; -} - -static gboolean -trg_torrent_graph_configure(GtkWidget * widget, - GdkEventConfigure * event, gpointer data_ptr) -{ - GtkAllocation allocation; - TrgTorrentGraph *g = TRG_TORRENT_GRAPH(data_ptr); - TrgTorrentGraphPrivate *priv = TRG_TORRENT_GRAPH_GET_PRIVATE(data_ptr); - - gtk_widget_get_allocation(widget, &allocation); - priv->draw_width = allocation.width - 2 * GRAPH_FRAME_WIDTH; - priv->draw_height = allocation.height - 2 * GRAPH_FRAME_WIDTH; - - trg_torrent_graph_clear_background(g); - - trg_torrent_graph_draw(g); - - return TRUE; -} - -static gboolean -trg_torrent_graph_expose(GtkWidget * widget, - GdkEventExpose * event, gpointer data_ptr) -{ - TrgTorrentGraph *g = TRG_TORRENT_GRAPH(data_ptr); - TrgTorrentGraphPrivate *priv = TRG_TORRENT_GRAPH_GET_PRIVATE(data_ptr); - - GtkAllocation allocation; - GdkWindow *window; - cairo_t *cr; - - guint i, j; - float *fp; - gdouble sample_width, x_offset; - - if (priv->background == NULL) { - trg_torrent_graph_draw_background(g); - cairo_pattern_t * pattern = cairo_pattern_create_for_surface(priv->background); - gdk_window_set_background_pattern (window, pattern); - cairo_pattern_destroy (pattern); - } - - window = gtk_widget_get_window(priv->disp); - gtk_widget_get_allocation(priv->disp, &allocation); - /*gdk_draw_drawable(window, - priv->gc, - priv->background, - 0, 0, 0, 0, allocation.width, allocation.height);*/ - - sample_width = - (float) (priv->draw_width - priv->rmargin - - priv->indent) / (float) GRAPH_NUM_POINTS; - x_offset = priv->draw_width - priv->rmargin + (sample_width * 2); - x_offset += - priv->rmargin - - ((sample_width / priv->frames_per_unit) * priv->render_counter); - - cr = gdk_cairo_create(window); - - cairo_set_line_width(cr, GRAPH_LINE_WIDTH); - cairo_set_line_cap(cr, CAIRO_LINE_CAP_ROUND); - cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND); - cairo_rectangle(cr, - priv->rmargin + priv->indent + GRAPH_FRAME_WIDTH + 1, - GRAPH_FRAME_WIDTH - 1, - priv->draw_width - priv->rmargin - priv->indent - 1, - priv->real_draw_height + GRAPH_FRAME_WIDTH - 1); - cairo_clip(cr); - - for (j = 0; j < GRAPH_NUM_LINES; ++j) { - GList *li = priv->points; - fp = (float *) li->data; - cairo_move_to(cr, x_offset, - (1.0f - fp[j]) * priv->real_draw_height); - gdk_cairo_set_source_color(cr, &(priv->colors[j])); - - i = 0; - for (li = g_list_next(li); li != NULL; li = g_list_next(li)) { - GList *lli = g_list_previous(li); - float *lfp = (float *) lli->data; - fp = (float *) li->data; - - i++; - - if (fp[j] == -1.0f) - continue; - - cairo_curve_to(cr, - x_offset - ((i - 0.5f) * priv->graph_delx), - (1.0f - lfp[j]) * priv->real_draw_height + 3.5f, - x_offset - ((i - 0.5f) * priv->graph_delx), - (1.0f - fp[j]) * priv->real_draw_height + 3.5f, - x_offset - (i * priv->graph_delx), - (1.0f - fp[j]) * priv->real_draw_height + 3.5f); - } - cairo_stroke(cr); - } - - cairo_destroy(cr); - - return TRUE; -} - -void trg_torrent_graph_stop(TrgTorrentGraph * g) -{ - TrgTorrentGraphPrivate *priv = TRG_TORRENT_GRAPH_GET_PRIVATE(g); - - priv->draw = FALSE; -} - -static void trg_torrent_graph_dispose(GObject * object) -{ - TrgTorrentGraph *g = TRG_TORRENT_GRAPH(object); - TrgTorrentGraphPrivate *priv = TRG_TORRENT_GRAPH_GET_PRIVATE(g); - - trg_torrent_graph_stop(g); - - if (priv->timer_index) - g_source_remove(priv->timer_index); - - trg_torrent_graph_clear_background(g); - - G_OBJECT_CLASS(trg_torrent_graph_parent_class)->dispose(object); -} - -void trg_torrent_graph_start(TrgTorrentGraph * g) -{ - TrgTorrentGraphPrivate *priv = TRG_TORRENT_GRAPH_GET_PRIVATE(g); - - if (!priv->timer_index) { - trg_torrent_graph_update(g); - - priv->timer_index = - g_timeout_add(priv->speed / priv->frames_per_unit, - trg_torrent_graph_update, g); - } - - priv->draw = TRUE; -} - -static unsigned get_max_value_element(TrgTorrentGraph * g) -{ - TrgTorrentGraphPrivate *priv = TRG_TORRENT_GRAPH_GET_PRIVATE(g); - unsigned r = 0; - int i; - - for (i = 0; i < GRAPH_NUM_POINTS; i++) - if (priv->values[i] > r) - r = priv->values[i]; - - return r; -} - -static void trg_torrent_graph_update_net(TrgTorrentGraph * g) -{ - TrgTorrentGraphPrivate *priv = TRG_TORRENT_GRAPH_GET_PRIVATE(g); - - unsigned max, new_max, bak_max, pow2, base10, coef10, factor10, - num_bars; - - float scale; - char speed[32]; - gchar *labelMarkup; - GList *li; - - float *fp = (float *) (priv->points->data); - - GList *last = g_list_last(priv->points); - float *lastData = last->data; - - priv->points = g_list_delete_link(priv->points, last); - priv->points = g_list_prepend(priv->points, lastData); - - fp[0] = 1.0f * priv->out / priv->max; - fp[1] = 1.0f * priv->in / priv->max; - - trg_strlspeed(speed, (gint64) (priv->out / disk_K)); - labelMarkup = - g_markup_printf_escaped("<span font_size=\"small\" color=\"" - GRAPH_OUT_COLOR "\">%s: %s</span>", - _("Total Uploading"), speed); - gtk_label_set_markup(GTK_LABEL(priv->label_out), labelMarkup); - g_free(labelMarkup); - - trg_strlspeed(speed, (gint64) (priv->in / 1024)); - labelMarkup = - g_markup_printf_escaped("<span font_size=\"small\" color=\"" - GRAPH_IN_COLOR "\">%s: %s</span>", - _("Total Downloading"), speed); - gtk_label_set_markup(GTK_LABEL(priv->label_in), labelMarkup); - g_free(labelMarkup); - - max = MAX(priv->in, priv->out); - priv->values[priv->cur] = max; - priv->cur = (priv->cur + 1) % GRAPH_NUM_POINTS; - - if (max >= priv->max) - new_max = max; - else - new_max = get_max_value_element(g); - - bak_max = new_max; - new_max = 1.1 * new_max; - new_max = MAX(new_max, 1024U); - pow2 = floor(log2(new_max)); - base10 = pow2 / 10; - coef10 = ceil(new_max / (double) (1UL << (base10 * 10))); - factor10 = pow(10.0, floor(log10(coef10))); - coef10 = ceil(coef10 / (double) (factor10)) * factor10; - - num_bars = trg_torrent_graph_get_num_bars(g); - - if (coef10 % num_bars != 0) - coef10 = coef10 + (num_bars - coef10 % num_bars); - - new_max = coef10 * (1UL << (base10 * 10)); - - if (bak_max > new_max) { - new_max = bak_max; - } - - if ((0.8 * priv->max) < new_max && new_max <= priv->max) - return; - - scale = 1.0f * priv->max / new_max; - - for (li = priv->points; li != NULL; li = g_list_next(li)) { - float *fp = (float *) li->data; - if (fp[0] >= 0.0f) { - fp[0] *= scale; - fp[1] *= scale; - } - } - - priv->max = new_max; - - trg_torrent_graph_clear_background(g); -} - -static GObject *trg_torrent_graph_constructor(GType type, - guint - n_construct_properties, - GObjectConstructParam * - construct_params) -{ - GObject *object; - TrgTorrentGraphPrivate *priv; - GtkWidget *hbox; - int i; - - object = - G_OBJECT_CLASS - (trg_torrent_graph_parent_class)->constructor(type, - n_construct_properties, - construct_params); - priv = TRG_TORRENT_GRAPH_GET_PRIVATE(object); - - priv->draw_width = 0; - priv->draw_height = 0; - priv->render_counter = 0; - priv->graph_dely = 0; - priv->real_draw_height = 0; - priv->graph_delx = 0.0; - priv->graph_buffer_offset = 0; - priv->disp = NULL; - priv->background = NULL; - priv->timer_index = 0; - priv->draw = FALSE; - - priv->fontsize = 8.0; - priv->frames_per_unit = 10; - priv->rmargin = 3.5 * priv->fontsize; - priv->indent = 24.0; - priv->out = 0; - priv->in = 0; - priv->cur = 0; - - priv->speed = 1000; - priv->max = 1024; - - hbox = gtk_hbox_new(FALSE, 0); - - priv->label_in = gtk_label_new(NULL); - priv->label_out = gtk_label_new(NULL); - - gtk_box_pack_start(GTK_BOX(hbox), priv->label_in, FALSE, FALSE, 65); - gtk_box_pack_start(GTK_BOX(hbox), priv->label_out, FALSE, FALSE, 0); - - gtk_box_pack_start(GTK_BOX(object), hbox, FALSE, FALSE, 2); - - gdk_color_parse(GRAPH_OUT_COLOR, &priv->colors[0]); - gdk_color_parse(GRAPH_IN_COLOR, &priv->colors[1]); - - priv->timer_index = 0; - priv->render_counter = (priv->frames_per_unit - 1); - priv->draw = FALSE; - - gtk_box_set_homogeneous(GTK_BOX(object), FALSE); - - priv->disp = gtk_drawing_area_new(); - g_signal_connect(G_OBJECT(priv->disp), "expose_event", - G_CALLBACK(trg_torrent_graph_expose), object); - g_signal_connect(G_OBJECT(priv->disp), "configure_event", - G_CALLBACK(trg_torrent_graph_configure), object); - - gtk_widget_set_events(priv->disp, GDK_EXPOSURE_MASK); - - gtk_box_pack_start(GTK_BOX(object), priv->disp, TRUE, TRUE, 0); - - priv->points = NULL; - for (i = 0; i < GRAPH_NUM_DATA_BLOCK_ELEMENTS; i++) { - priv->data_block[i] = -1.0f; - if (i % GRAPH_NUM_LINES == 0) - priv->points = - g_list_append(priv->points, &priv->data_block[i]); - } - - return object; -} - -static void trg_torrent_graph_class_init(TrgTorrentGraphClass * klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS(klass); - - g_type_class_add_private(klass, sizeof(TrgTorrentGraphPrivate)); - - object_class->get_property = trg_torrent_graph_get_property; - object_class->set_property = trg_torrent_graph_set_property; - object_class->dispose = trg_torrent_graph_dispose; - object_class->constructor = trg_torrent_graph_constructor; -} - -static void trg_torrent_graph_init(TrgTorrentGraph * self) -{ -} - -TrgTorrentGraph *trg_torrent_graph_new(GtkStyle * style) -{ - GObject *obj = g_object_new(TRG_TYPE_TORRENT_GRAPH, NULL); - TrgTorrentGraphPrivate *priv = TRG_TORRENT_GRAPH_GET_PRIVATE(obj); - - priv->style = style; - - return TRG_TORRENT_GRAPH(obj); -} - -void trg_torrent_graph_draw(TrgTorrentGraph * g) -{ - TrgTorrentGraphPrivate *priv = TRG_TORRENT_GRAPH_GET_PRIVATE(g); - - gtk_widget_queue_draw(priv->disp); -} - -void trg_torrent_graph_clear_background(TrgTorrentGraph * g) -{ - TrgTorrentGraphPrivate *priv = TRG_TORRENT_GRAPH_GET_PRIVATE(g); - - if (priv->background) { - cairo_surface_destroy (priv->background); - priv->background = NULL; - } -} - - -static gboolean trg_torrent_graph_update(gpointer user_data) -{ - TrgTorrentGraph *g = TRG_TORRENT_GRAPH(user_data); - TrgTorrentGraphPrivate *priv = - TRG_TORRENT_GRAPH_GET_PRIVATE(user_data); - - if (priv->render_counter == priv->frames_per_unit - 1) - trg_torrent_graph_update_net(g); - - if (priv->draw) - trg_torrent_graph_draw(g); - - priv->render_counter++; - - if (priv->render_counter >= priv->frames_per_unit) - priv->render_counter = 0; - - return TRUE; -} - -unsigned trg_torrent_graph_get_num_bars(TrgTorrentGraph * g) -{ - TrgTorrentGraphPrivate *priv = TRG_TORRENT_GRAPH_GET_PRIVATE(g); - unsigned n; - - switch ((int) (priv->draw_height / (priv->fontsize + 14))) { - case 0: - case 1: - n = 1; - break; - case 2: - case 3: - n = 2; - break; - case 4: - n = 4; - break; - default: - n = 5; - break; - } - - return n; -} - -#endif |