3221dbf542
Change-Id: Ic5f2c353ae1f787ac19cb575a938cb093ff5f6dc Reviewed-on: https://code.wireshark.org/review/10930 Petri-Dish: Martin Mathieson <martin.r.mathieson@googlemail.com> Reviewed-by: Martin Mathieson <martin.r.mathieson@googlemail.com>
2723 lines
87 KiB
C
2723 lines
87 KiB
C
/* rlc_lte_graph.c
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* By Martin Mathieson
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* Based upon tcp_graph.c
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <math.h>
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#include <gtk/gtk.h>
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#include <gdk/gdkkeysyms.h>
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#if GTK_CHECK_VERSION(3,0,0)
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# include <gdk/gdkkeysyms-compat.h>
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#endif
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#include <ui/tap-rlc-graph.h>
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#include <epan/packet.h>
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#include <epan/epan_dissect.h>
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#include <epan/dissectors/packet-rlc-lte.h>
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#include <epan/tap.h>
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#include "../globals.h"
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#include "../frame_tvbuff.h"
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#include "ui/simple_dialog.h"
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#include <epan/stat_groups.h>
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#include "ui/gtk/gui_utils.h"
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#include "ui/gtk/dlg_utils.h"
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#include "ui/gtk/gui_stat_menu.h"
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#include "ui/gtk/tap_param_dlg.h"
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#include "ui/gtk/old-gtk-compat.h"
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#define AXIS_HORIZONTAL 0
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#define AXIS_VERTICAL 1
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#define WINDOW_TITLE_LENGTH 256
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#define MOUSE_BUTTON_LEFT 1
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#define MOUSE_BUTTON_MIDDLE 2
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#define MOUSE_BUTTON_RIGHT 3
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#define MAX_PIXELS_PER_SN 90
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#define MAX_PIXELS_PER_SECOND 50000
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extern int proto_rlc_lte;
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struct line {
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double x1, y1, x2, y2;
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};
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struct irect {
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int x, y, width, height;
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};
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struct zoomfactor {
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double x, y;
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};
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typedef enum {
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ELMT_NONE = 0,
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ELMT_LINE = 1,
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ELMT_ELLIPSE = 2
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} ElementType;
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struct line_params {
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struct line dim;
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};
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struct rect {
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double x, y, width, height;
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};
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struct ellipse_params {
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struct rect dim;
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};
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struct element {
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ElementType type;
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GdkRGBA *elment_color_p;
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struct rlc_segment *parent;
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union {
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struct line_params line;
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struct ellipse_params ellipse;
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} p;
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};
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struct element_list {
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struct element_list *next;
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struct element *elements;
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};
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struct axis {
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struct gtk_rlc_graph *g; /* which graph we belong to */
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GtkWidget *drawing_area;
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/* Double-buffering to avoid flicker */
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#if GTK_CHECK_VERSION(2,22,0)
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cairo_surface_t *surface[2];
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#else
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GdkPixmap *pixmap[2];
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#endif
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/* Which of the 2 buffers we are currently showing */
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int displayed;
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gboolean is_horizontal_axis;
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/* dim and orig (relative to origin of window) of axis' pixmap */
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struct irect p;
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/* dim and orig (relative to origin of axis' pixmap) of scale itself */
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struct irect s;
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gdouble min, max;
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gdouble major, minor; /* major and minor ticks */
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const char **label;
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};
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#define HAXIS_INIT_HEIGHT 70
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#define VAXIS_INIT_WIDTH 100
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#define TITLEBAR_HEIGHT 50
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#define RMARGIN_WIDTH 30
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struct style_rlc_lte {
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GdkRGBA seq_color;
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GdkRGBA seq_resegmented_color;
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GdkRGBA ack_color[2];
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int flags;
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};
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/* style flags */
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#define TIME_ORIGIN 0x10
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/* show time from beginning of capture as opposed to time from beginning
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* of the connection */
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#define TIME_ORIGIN_CAP 0x10
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#define TIME_ORIGIN_CONN 0x00
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struct cross {
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int x, y;
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int draw; /* indicates whether we should draw cross at all */
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int erase_needed; /* indicates whether currently drawn at recorded position */
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};
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struct bounds {
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double x0, y0, width, height;
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};
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struct zoom {
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double x, y;
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};
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struct zooms {
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double x, y;
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double step_x, step_y;
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struct zoom initial;
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#define ZOOM_OUT (1 << 0)
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int flags;
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};
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struct grab {
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int grabbed;
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int x, y;
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};
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/* struct rlc_graph is shared between GTK and Qt implementations. */
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struct gtk_rlc_graph {
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#define GRAPH_DESTROYED (1 << 0)
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int flags;
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GtkWidget *toplevel; /* keypress handler needs this */
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GtkWidget *drawing_area;
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PangoFontDescription *font; /* font used for annotations etc. */
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/* Double-buffering */
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#if GTK_CHECK_VERSION(2,22,0)
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cairo_surface_t *title_surface;
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cairo_surface_t *surface[2];
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#else
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GdkPixmap *title_pixmap;
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GdkPixmap *pixmap[2];
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#endif
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int displayed; /* which of both pixmaps is on screen right now */
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/* Next 4 attribs describe the graph in natural units, before any scaling.
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* For example, if we want to display graph of TCP conversation that
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* started 112.309845 s after beginning of the capture and ran until
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* 479.093582 s, 237019 B went through the connection (in one direction)
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* starting with isn 31934022, then (bounds.x0, bounds.y0)=(112.309845,
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* 31934022) and (bounds.width, bounds.height)=(366.783737, 237019). */
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struct bounds bounds;
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/* dimensions and position of the graph, both expressed already in pixels.
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* x and y give the position of upper left corner of the graph relative
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* to origin of the graph window, size is basically bounds*zoom */
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struct irect geom;
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/* viewport (=graph window area which is reserved for graph itself), its
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* size and position relative to origin of the graph window */
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struct irect wp;
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struct grab grab;
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/* If we need to display 237019 sequence numbers (=bytes) onto say 500
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* pixels, we have to scale the graph down by factor of 0.002109. This
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* number would be zoom.y. Obviously, both directions have separate zooms.*/
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struct zooms zoom;
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gboolean zoomrect_erase_needed;
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struct cross cross;
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struct axis *x_axis, *y_axis;
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struct rlc_graph graph;
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/* Colours, etc to be used in drawing */
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struct style_rlc_lte style;
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};
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static int refnum = 0;
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#define debug(section) if (debugging & section)
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/* print function entry points */
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#define DBS_FENTRY (1 << 0)
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#define DBS_AXES_TICKS (1 << 1)
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#define DBS_AXES_DRAWING (1 << 2)
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#define DBS_GRAPH_DRAWING (1 << 3)
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#define DBS_TPUT_ELMTS (1 << 4)
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/*static int debugging = DBS_FENTRY;*/
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/*static int debugging = DBS_AXES_TICKS;*/
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/*static int debugging = DBS_AXES_DRAWING;*/
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/*static int debugging = DBS_GRAPH_DRAWING;*/
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/*static int debugging = DBS_TPUT_ELMTS;*/
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static int debugging = 0;
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static void create_gui(struct gtk_rlc_graph * );
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static void create_drawing_area(struct gtk_rlc_graph * );
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static void callback_toplevel_destroy(GtkWidget * , gpointer );
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static void callback_create_help(GtkWidget * , gpointer );
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static void get_mouse_position(GtkWidget *, int *pointer_x, int *pointer_y, GdkModifierType *mask);
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static void get_data_control_counts(struct gtk_rlc_graph *g, int *data, int *acks, int *nacks);
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static struct gtk_rlc_graph *graph_new(void);
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static void graph_destroy(struct gtk_rlc_graph * );
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static void graph_initialize_values(struct gtk_rlc_graph * );
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static void graph_init_sequence(struct gtk_rlc_graph * );
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static void draw_element_line(struct gtk_rlc_graph * , struct element * , cairo_t * , GdkRGBA *new_color);
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static void draw_element_ellipse(struct gtk_rlc_graph * , struct element * , cairo_t *cr , GdkRGBA *new_color);
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static void graph_display(struct gtk_rlc_graph * );
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static void graph_pixmaps_create(struct gtk_rlc_graph * );
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static void graph_pixmaps_switch(struct gtk_rlc_graph * );
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static void graph_pixmap_draw(struct gtk_rlc_graph * );
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static void graph_pixmap_display(struct gtk_rlc_graph * );
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static void graph_element_lists_make(struct gtk_rlc_graph * );
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static void graph_element_lists_free(struct gtk_rlc_graph * );
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static void graph_element_lists_initialize(struct gtk_rlc_graph * );
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static void graph_title_pixmap_create(struct gtk_rlc_graph * );
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static void graph_title_pixmap_draw(struct gtk_rlc_graph * );
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static void graph_title_pixmap_display(struct gtk_rlc_graph * );
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static void graph_select_segment(struct gtk_rlc_graph * , int , int );
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static int line_detect_collision(struct element * , int , int );
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static int ellipse_detect_collision(struct element *e, int x, int y);
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static void axis_pixmaps_create(struct axis * );
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static void axis_pixmaps_switch(struct axis * );
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static void axis_display(struct axis * );
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static void v_axis_pixmap_draw(struct axis * );
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static void h_axis_pixmap_draw(struct axis * );
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static void axis_pixmap_display(struct axis * );
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static void axis_compute_ticks(struct axis * , double , double , int );
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static double axis_zoom_get(struct axis * , int );
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static void axis_ticks_up(int * , int * );
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static void axis_ticks_down(int * , int * );
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static void axis_destroy(struct axis * );
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static int get_label_dim(struct axis * , int , double );
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static void toggle_crosshairs(struct gtk_rlc_graph *);
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static void cross_draw(struct gtk_rlc_graph * , int x, int y);
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static void cross_erase(struct gtk_rlc_graph * );
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static void zoomrect_draw(struct gtk_rlc_graph * , int , int );
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static void zoomrect_erase(struct gtk_rlc_graph * );
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static gboolean motion_notify_event(GtkWidget * , GdkEventMotion * , gpointer );
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static void toggle_time_origin(struct gtk_rlc_graph * );
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static void restore_initial_graph_view(struct gtk_rlc_graph *g);
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static gboolean configure_event(GtkWidget * , GdkEventConfigure * , gpointer );
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#if GTK_CHECK_VERSION(3,0,0)
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static gboolean draw_event(GtkWidget *widget, cairo_t *cr, gpointer user_data);
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#else
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static gboolean expose_event(GtkWidget * , GdkEventExpose * , gpointer );
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#endif
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static gboolean button_press_event(GtkWidget * , GdkEventButton * , gpointer );
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static gboolean button_release_event(GtkWidget * , GdkEventButton * , gpointer );
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static gboolean key_press_event(GtkWidget * , GdkEventKey * , gpointer );
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static void graph_initialize(struct gtk_rlc_graph *);
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static void graph_get_bounds(struct gtk_rlc_graph *);
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static void graph_read_config(struct gtk_rlc_graph *);
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static void rlc_lte_make_elmtlist(struct gtk_rlc_graph *);
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#if defined(_WIN32) && !defined(__MINGW32__) && (_MSC_VER < 1800)
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/* Starting VS2013, rint already defined in math.h. No need to redefine */
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static int rint(double ); /* compiler template for Windows */
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#endif
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/* This should arguably be part of the graph, but in practice you can
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only click on one graph at a time, so this is probably OK */
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static struct irect zoomrect;
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/* XXX - what about OS X? */
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static char helptext[] =
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"Here's what you can do:\n"
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"\n"
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" Left Mouse Button selects segment under cursor in Wireshark's packet list\n"
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" can also drag to zoom in on a rectangular region\n"
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" Middle Mouse Button zooms in (towards area under cursor)\n"
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" Right Mouse Button moves the graph (if zoomed in)\n"
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"\n"
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" <Space bar> toggles crosshairs on/off\n"
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"\n"
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" 'i' or '+' zoom in (towards area under mouse pointer)\n"
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" 'o' or '-' zoom out\n"
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" (add shift to lock Y axis, control to lock X axis)\n"
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" 'r' or <Home> restore graph to initial state (zoom out max)\n"
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" 't' toggle time axis to being at zero, or to use time in capture\n"
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"\n"
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" <Left> move view left by 100 pixels (if zoomed in)\n"
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" <Right> move view right 100 pixels (if zoomed in)\n"
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" <Up> move view up by 100 pixels (if zoomed in)\n"
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" <Down> move view down by 100 pixels (if zoomed in)\n"
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"\n"
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" <Shift><Left> move view left by 10 pixels (if zoomed in)\n"
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" <Shift><Right> move view right 10 pixels (if zoomed in)\n"
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" <Shift><Up> move view up by 10 pixels (if zoomed in)\n"
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" <Shift><Down> move view down by 10 pixels (if zoomed in)\n"
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"\n"
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" <Ctrl><Left> move view left by 1 pixel (if zoomed in)\n"
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" <Ctrl><Right> move view right 1 pixel (if zoomed in)\n"
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" <Ctrl><Up> move view up by 1 pixel (if zoomed in)\n"
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" <Ctrl><Down> move view down by 1 pixel (if zoomed in)\n"
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"\n"
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" <Page_Up> move up by a large number of pixels (if zoomed in)\n"
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" <Page_Down> move down by a large number of pixels (if zoomed in)\n"
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;
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static void set_busy_cursor(GdkWindow *w)
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{
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GdkCursor* cursor = gdk_cursor_new(GDK_WATCH);
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gdk_window_set_cursor(w, cursor);
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gdk_flush();
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#if GTK_CHECK_VERSION(3,0,0)
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g_object_unref(cursor);
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#else
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gdk_cursor_unref(cursor);
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#endif
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}
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static void unset_busy_cursor(GdkWindow *w)
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{
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gdk_window_set_cursor(w, NULL);
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gdk_flush();
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}
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void rlc_lte_graph_cb(GtkAction *action _U_, gpointer user_data _U_)
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{
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struct rlc_segment current;
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struct gtk_rlc_graph *g;
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gchar *err_msg = NULL;
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gboolean free_err_msg = FALSE;
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debug(DBS_FENTRY) puts("rlc_lte_graph_cb()");
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/* Can we choose an RLC channel from the selected frame? */
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if (!select_rlc_lte_session(&cfile, ¤t, &err_msg, &free_err_msg)) {
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simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "%s", err_msg);
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if (free_err_msg) {
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g_free(err_msg);
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}
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return;
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}
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if (!(g = graph_new())) {
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return;
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}
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refnum++;
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graph_initialize_values(g);
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/* Get our list of segments from the packet list */
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rlc_graph_segment_list_get(&cfile, &(g->graph), FALSE, &err_msg, &free_err_msg);
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create_gui(g);
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graph_init_sequence(g);
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}
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void rlc_lte_graph_known_channel_launch(guint16 ueid, guint8 rlcMode,
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guint16 channelType, guint16 channelId,
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guint8 direction)
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{
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struct gtk_rlc_graph *g;
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gchar *err_msg = NULL;
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gboolean free_err_msg = FALSE;
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debug(DBS_FENTRY) puts("rlc_lte_graph_known_channel_launch()");
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if (!(g = graph_new())) {
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return;
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}
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refnum++;
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graph_initialize_values(g);
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/* Can set channel info for graph now */
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g->graph.ueid = ueid;
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g->graph.rlcMode = rlcMode;
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g->graph.channelType = channelType;
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g->graph.channelId = channelId;
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g->graph.direction = direction;
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g->graph.channelSet = TRUE;
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/* Get our list of segments from the packet list */
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rlc_graph_segment_list_get(&cfile, &(g->graph), TRUE, &err_msg, &free_err_msg);
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create_gui(g);
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graph_init_sequence(g);
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}
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static void create_gui(struct gtk_rlc_graph *g)
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{
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debug(DBS_FENTRY) puts("create_gui()");
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/* create_text_widget(g); */
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create_drawing_area(g);
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}
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static void create_drawing_area(struct gtk_rlc_graph *g)
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{
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#if GTK_CHECK_VERSION(3,0,0)
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GtkStyleContext *context;
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#endif
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char *display_name;
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char window_title[WINDOW_TITLE_LENGTH];
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GtkAllocation widget_alloc;
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debug(DBS_FENTRY) puts("create_drawing_area()");
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display_name = cf_get_display_name(&cfile);
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/* Set channel details in title */
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g_snprintf(window_title, WINDOW_TITLE_LENGTH, "LTE RLC Graph %d: %s (UE-%u, chan=%s%u %s - %s)",
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refnum, display_name,
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g->graph.ueid, (g->graph.channelType == CHANNEL_TYPE_SRB) ? "SRB" : "DRB",
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g->graph.channelId,
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(g->graph.direction == DIRECTION_UPLINK) ? "UL" : "DL",
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(g->graph.rlcMode == RLC_UM_MODE) ? "UM" : "AM");
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g_free(display_name);
|
|
g->toplevel = dlg_window_new("RLC Graph");
|
|
gtk_window_set_title(GTK_WINDOW(g->toplevel), window_title);
|
|
gtk_widget_set_name(g->toplevel, "Test Graph");
|
|
|
|
/* Create the drawing area */
|
|
g->drawing_area = gtk_drawing_area_new();
|
|
g->x_axis->drawing_area = g->y_axis->drawing_area = g->drawing_area;
|
|
gtk_widget_set_size_request(g->drawing_area,
|
|
g->wp.width + g->wp.x + RMARGIN_WIDTH,
|
|
g->wp.height + g->wp.y + g->x_axis->s.height);
|
|
gtk_widget_show(g->drawing_area);
|
|
|
|
#if GTK_CHECK_VERSION(3,0,0)
|
|
g_signal_connect(g->drawing_area, "draw", G_CALLBACK(draw_event), g);
|
|
#else
|
|
g_signal_connect(g->drawing_area, "expose_event", G_CALLBACK(expose_event), g);
|
|
#endif
|
|
|
|
g_signal_connect(g->drawing_area, "button_press_event",
|
|
G_CALLBACK(button_press_event), g);
|
|
g_signal_connect(g->drawing_area, "button_release_event",
|
|
G_CALLBACK(button_release_event), g);
|
|
g_signal_connect(g->toplevel, "destroy", G_CALLBACK(callback_toplevel_destroy), g);
|
|
g_signal_connect(g->drawing_area, "motion_notify_event",
|
|
G_CALLBACK(motion_notify_event), g);
|
|
|
|
/* why doesn't drawing area send key_press_signals? */
|
|
g_signal_connect(g->toplevel, "key_press_event", G_CALLBACK(key_press_event), g);
|
|
gtk_widget_set_events(g->toplevel,
|
|
GDK_KEY_PRESS_MASK|GDK_KEY_RELEASE_MASK);
|
|
|
|
gtk_widget_set_events(g->drawing_area,
|
|
GDK_EXPOSURE_MASK
|
|
| GDK_LEAVE_NOTIFY_MASK
|
|
| GDK_ENTER_NOTIFY_MASK
|
|
| GDK_BUTTON_PRESS_MASK
|
|
| GDK_BUTTON_RELEASE_MASK
|
|
| GDK_POINTER_MOTION_MASK
|
|
| GDK_POINTER_MOTION_HINT_MASK);
|
|
|
|
gtk_container_add(GTK_CONTAINER(g->toplevel), g->drawing_area);
|
|
gtk_widget_show(g->toplevel);
|
|
|
|
/* In case we didn't get what we asked for */
|
|
gtk_widget_get_allocation(GTK_WIDGET(g->drawing_area), &widget_alloc);
|
|
g->wp.width = widget_alloc.width - g->wp.x - RMARGIN_WIDTH;
|
|
g->wp.height = widget_alloc.height - g->wp.y - g->x_axis->s.height;
|
|
|
|
#if GTK_CHECK_VERSION(3,0,0)
|
|
context = gtk_widget_get_style_context(g->drawing_area);
|
|
gtk_style_context_get(context, GTK_STATE_FLAG_NORMAL,
|
|
GTK_STYLE_PROPERTY_FONT, &g->font,
|
|
NULL);
|
|
#else
|
|
g->font = gtk_widget_get_style(g->drawing_area)->font_desc;
|
|
|
|
#endif
|
|
|
|
g_signal_connect(g->drawing_area, "configure_event", G_CALLBACK(configure_event), g);
|
|
}
|
|
|
|
static void callback_toplevel_destroy(GtkWidget *widget _U_, gpointer data)
|
|
{
|
|
struct gtk_rlc_graph *g = (struct gtk_rlc_graph * )data;
|
|
|
|
if (!(g->flags & GRAPH_DESTROYED)) {
|
|
g->flags |= GRAPH_DESTROYED;
|
|
graph_destroy((struct gtk_rlc_graph * )data);
|
|
}
|
|
}
|
|
|
|
static void callback_create_help(GtkWidget *widget _U_, gpointer data _U_)
|
|
{
|
|
GtkWidget *toplevel, *vbox, *text, *scroll, *bbox, *close_bt;
|
|
GtkTextBuffer *buf;
|
|
|
|
toplevel = dlg_window_new("Help for LTE RLC graphing");
|
|
gtk_window_set_default_size(GTK_WINDOW(toplevel), 540, 540);
|
|
|
|
vbox = ws_gtk_box_new(GTK_ORIENTATION_VERTICAL, 0, FALSE);
|
|
gtk_container_set_border_width(GTK_CONTAINER(vbox), 12);
|
|
gtk_container_add(GTK_CONTAINER(toplevel), vbox);
|
|
|
|
scroll = scrolled_window_new(NULL, NULL);
|
|
gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scroll),
|
|
GTK_SHADOW_IN);
|
|
gtk_box_pack_start(GTK_BOX(vbox), scroll, TRUE, TRUE, 0);
|
|
text = gtk_text_view_new();
|
|
gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
|
|
buf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
|
|
gtk_text_buffer_set_text(buf, helptext, -1);
|
|
gtk_container_add(GTK_CONTAINER(scroll), text);
|
|
|
|
/* Button row. */
|
|
bbox = dlg_button_row_new(GTK_STOCK_CLOSE, NULL);
|
|
gtk_box_pack_start(GTK_BOX(vbox), bbox, FALSE, FALSE, 0);
|
|
gtk_widget_show(bbox);
|
|
|
|
close_bt = (GtkWidget *)g_object_get_data(G_OBJECT(bbox), GTK_STOCK_CLOSE);
|
|
window_set_cancel_button(toplevel, close_bt, window_cancel_button_cb);
|
|
|
|
g_signal_connect(toplevel, "delete_event", G_CALLBACK(window_delete_event_cb), NULL);
|
|
|
|
gtk_widget_show_all(toplevel);
|
|
window_present(toplevel);
|
|
}
|
|
|
|
static void get_mouse_position(GtkWidget *widget, int *pointer_x, int *pointer_y, GdkModifierType *mask)
|
|
{
|
|
#if GTK_CHECK_VERSION(3,0,0)
|
|
gdk_window_get_device_position (gtk_widget_get_window(widget),
|
|
gdk_device_manager_get_client_pointer(
|
|
gdk_display_get_device_manager(
|
|
gtk_widget_get_display(GTK_WIDGET(widget)))),
|
|
pointer_x, pointer_y, mask);
|
|
|
|
#else
|
|
gdk_window_get_pointer (gtk_widget_get_window(widget), pointer_x, pointer_y, mask);
|
|
#endif
|
|
}
|
|
|
|
static struct gtk_rlc_graph *graph_new(void)
|
|
{
|
|
struct gtk_rlc_graph *g;
|
|
|
|
g = (struct gtk_rlc_graph * )g_malloc0(sizeof(struct gtk_rlc_graph));
|
|
graph_element_lists_initialize(g);
|
|
|
|
g->x_axis = (struct axis * )g_malloc0(sizeof(struct axis));
|
|
g->y_axis = (struct axis * )g_malloc0(sizeof(struct axis));
|
|
|
|
g->x_axis->g = g;
|
|
g->x_axis->is_horizontal_axis = TRUE;
|
|
g->x_axis->s.x = g->x_axis->s.y = 0;
|
|
g->x_axis->s.height = HAXIS_INIT_HEIGHT;
|
|
g->x_axis->p.x = VAXIS_INIT_WIDTH;
|
|
g->x_axis->p.height = HAXIS_INIT_HEIGHT;
|
|
|
|
g->y_axis->g = g;
|
|
g->y_axis->is_horizontal_axis = FALSE;
|
|
g->y_axis->p.x = g->y_axis->p.y = 0;
|
|
g->y_axis->p.width = VAXIS_INIT_WIDTH;
|
|
g->y_axis->s.x = 0;
|
|
g->y_axis->s.y = TITLEBAR_HEIGHT;
|
|
g->y_axis->s.width = VAXIS_INIT_WIDTH;
|
|
|
|
return g;
|
|
}
|
|
|
|
static void graph_initialize_values(struct gtk_rlc_graph *g)
|
|
{
|
|
g->geom.width = g->wp.width = 750;
|
|
g->geom.height = g->wp.height = 550;
|
|
g->geom.x = g->wp.x = VAXIS_INIT_WIDTH;
|
|
g->geom.y = g->wp.y = TITLEBAR_HEIGHT;
|
|
g->flags = 0;
|
|
g->zoom.x = g->zoom.y = 1.0;
|
|
|
|
/* Zooming in step - set same for both dimensions */
|
|
g->zoom.step_x = g->zoom.step_y = 1.15;
|
|
g->zoom.flags = 0;
|
|
|
|
g->cross.draw = g->cross.erase_needed = FALSE;
|
|
g->zoomrect_erase_needed = FALSE;
|
|
g->grab.grabbed = 0;
|
|
}
|
|
|
|
static void graph_init_sequence(struct gtk_rlc_graph *g)
|
|
{
|
|
debug(DBS_FENTRY) puts("graph_init_sequence()");
|
|
|
|
graph_initialize(g);
|
|
g->zoom.initial.x = g->zoom.x;
|
|
g->zoom.initial.y = g->zoom.y;
|
|
graph_element_lists_make(g);
|
|
g->x_axis->s.width = g->wp.width;
|
|
g->x_axis->p.width = g->x_axis->s.width + RMARGIN_WIDTH;
|
|
g->x_axis->p.y = TITLEBAR_HEIGHT + g->wp.height;
|
|
g->x_axis->s.height = g->x_axis->p.height = HAXIS_INIT_HEIGHT;
|
|
g->y_axis->s.height = g->wp.height;
|
|
g->y_axis->p.height = g->wp.height + TITLEBAR_HEIGHT;
|
|
graph_pixmaps_create(g);
|
|
axis_pixmaps_create(g->y_axis);
|
|
axis_pixmaps_create(g->x_axis);
|
|
graph_title_pixmap_create(g);
|
|
graph_title_pixmap_draw(g);
|
|
graph_title_pixmap_display(g);
|
|
graph_display(g);
|
|
axis_display(g->y_axis);
|
|
axis_display(g->x_axis);
|
|
}
|
|
|
|
static void graph_initialize(struct gtk_rlc_graph *g)
|
|
{
|
|
debug(DBS_FENTRY) puts("graph_initialize()");
|
|
graph_get_bounds(g);
|
|
|
|
/* Want to start with absolute times, rather than being relative to 0 */
|
|
g->x_axis->min = g->bounds.x0;
|
|
g->y_axis->min = 0;
|
|
|
|
graph_read_config(g);
|
|
}
|
|
|
|
static void graph_destroy(struct gtk_rlc_graph *g)
|
|
{
|
|
debug(DBS_FENTRY) puts("graph_destroy()");
|
|
|
|
axis_destroy(g->x_axis);
|
|
axis_destroy(g->y_axis);
|
|
/* window_destroy(g->drawing_area); */
|
|
window_destroy(g->toplevel);
|
|
/* window_destroy(g->text); */
|
|
#if GTK_CHECK_VERSION(2,22,0)
|
|
if (g->title_surface){
|
|
cairo_surface_destroy(g->title_surface);
|
|
}
|
|
if (g->surface[0]){
|
|
cairo_surface_destroy(g->surface[0]);
|
|
}
|
|
if (g->surface[1]){
|
|
cairo_surface_destroy(g->surface[1]);
|
|
}
|
|
#else
|
|
g_object_unref(g->pixmap[0]);
|
|
g_object_unref(g->pixmap[1]);
|
|
#endif /* GTK_CHECK_VERSION(2,22,0) */
|
|
g_free(g->x_axis);
|
|
g_free(g->y_axis);
|
|
rlc_graph_segment_list_free(&g->graph);
|
|
graph_element_lists_free(g);
|
|
|
|
g_free(g);
|
|
}
|
|
|
|
static void graph_element_lists_initialize(struct gtk_rlc_graph *g)
|
|
{
|
|
g->graph.elists = (struct element_list *)g_malloc0(sizeof(struct element_list));
|
|
g->graph.elists->elements = NULL;
|
|
g->graph.elists->next = NULL;
|
|
}
|
|
|
|
static void graph_element_lists_make(struct gtk_rlc_graph *g)
|
|
{
|
|
debug(DBS_FENTRY) puts("graph_element_lists_make()");
|
|
rlc_lte_make_elmtlist(g);
|
|
}
|
|
|
|
static void graph_element_lists_free(struct gtk_rlc_graph *g)
|
|
{
|
|
struct element_list *list, *next_list;
|
|
|
|
for (list=g->graph.elists; list; list=next_list) {
|
|
g_free(list->elements);
|
|
next_list = list->next;
|
|
g_free(list);
|
|
}
|
|
g->graph.elists = NULL; /* just to make debugging easier */
|
|
}
|
|
|
|
static void graph_title_pixmap_create(struct gtk_rlc_graph *g)
|
|
{
|
|
#if GTK_CHECK_VERSION(2,22,0)
|
|
if (g->title_surface){
|
|
cairo_surface_destroy(g->title_surface);
|
|
g->title_surface = NULL;
|
|
}
|
|
|
|
g->title_surface = gdk_window_create_similar_surface(gtk_widget_get_window(g->drawing_area),
|
|
CAIRO_CONTENT_COLOR,
|
|
g->x_axis->p.width,
|
|
g->wp.y);
|
|
|
|
#else
|
|
if (g->title_pixmap)
|
|
g_object_unref(g->title_pixmap);
|
|
|
|
g->title_pixmap = gdk_pixmap_new(gtk_widget_get_window(g->drawing_area),
|
|
g->x_axis->p.width, g->wp.y, -1);
|
|
#endif
|
|
}
|
|
|
|
static void graph_title_pixmap_draw(struct gtk_rlc_graph *g)
|
|
{
|
|
gint w, h;
|
|
PangoLayout *layout;
|
|
cairo_t *cr;
|
|
|
|
#if GTK_CHECK_VERSION(2,22,0)
|
|
cr = cairo_create(g->title_surface);
|
|
#else
|
|
cr = gdk_cairo_create(g->title_pixmap);
|
|
#endif
|
|
cairo_set_source_rgb(cr, 1, 1, 1);
|
|
cairo_rectangle(cr, 0, 0, g->x_axis->p.width, g->wp.y);
|
|
cairo_fill(cr);
|
|
|
|
layout = gtk_widget_create_pango_layout(g->drawing_area, "");
|
|
pango_layout_get_pixel_size(layout, &w, &h);
|
|
cairo_move_to(cr, g->wp.width/2 - w/2, 20);
|
|
pango_cairo_show_layout(cr, layout);
|
|
g_object_unref(G_OBJECT(layout));
|
|
|
|
cairo_destroy(cr);
|
|
}
|
|
|
|
static void graph_title_pixmap_display(struct gtk_rlc_graph *g)
|
|
{
|
|
cairo_t *cr;
|
|
|
|
cr = gdk_cairo_create(gtk_widget_get_window(g->drawing_area));
|
|
#if GTK_CHECK_VERSION(2,22,0)
|
|
cairo_set_source_surface(cr, g->title_surface, g->wp.x, 0);
|
|
#else
|
|
gdk_cairo_set_source_pixmap(cr, g->title_pixmap, g->wp.x, 0);
|
|
#endif
|
|
cairo_rectangle(cr, g->wp.x, 0, g->x_axis->p.width, g->wp.y);
|
|
cairo_fill(cr);
|
|
cairo_destroy(cr);
|
|
}
|
|
|
|
static void graph_pixmaps_create(struct gtk_rlc_graph *g)
|
|
{
|
|
debug(DBS_FENTRY) puts("graph_pixmaps_create()");
|
|
#if GTK_CHECK_VERSION(2,22,0)
|
|
if (g->surface[0]){
|
|
cairo_surface_destroy(g->surface[0]);
|
|
g->surface[0] = NULL;
|
|
}
|
|
|
|
if (g->surface[1]){
|
|
cairo_surface_destroy(g->surface[1]);
|
|
g->surface[1] = NULL;
|
|
}
|
|
|
|
g->surface[0] = gdk_window_create_similar_surface(gtk_widget_get_window(g->drawing_area),
|
|
CAIRO_CONTENT_COLOR,
|
|
g->wp.width,
|
|
g->wp.height);
|
|
|
|
g->surface[1] = gdk_window_create_similar_surface(gtk_widget_get_window(g->drawing_area),
|
|
CAIRO_CONTENT_COLOR,
|
|
g->wp.width,
|
|
g->wp.height);
|
|
|
|
g->displayed = 0;
|
|
#else
|
|
if (g->pixmap[0])
|
|
g_object_unref(g->pixmap[0]);
|
|
if (g->pixmap[1])
|
|
g_object_unref(g->pixmap[1]);
|
|
|
|
g->pixmap[0] = gdk_pixmap_new(gtk_widget_get_window(g->drawing_area),
|
|
g->wp.width, g->wp.height, -1);
|
|
g->pixmap[1] = gdk_pixmap_new(gtk_widget_get_window(g->drawing_area),
|
|
g->wp.width, g->wp.height, -1);
|
|
|
|
g->displayed = 0;
|
|
#endif /* GTK_CHECK_VERSION(2,22,0) */
|
|
}
|
|
|
|
|
|
static void graph_display(struct gtk_rlc_graph *g)
|
|
{
|
|
set_busy_cursor(gtk_widget_get_window(g->drawing_area));
|
|
graph_pixmap_draw(g);
|
|
unset_busy_cursor(gtk_widget_get_window(g->drawing_area));
|
|
graph_pixmaps_switch(g);
|
|
graph_pixmap_display(g);
|
|
}
|
|
|
|
static void graph_pixmap_display(struct gtk_rlc_graph *g)
|
|
{
|
|
cairo_t *cr;
|
|
|
|
cr = gdk_cairo_create(gtk_widget_get_window(g->drawing_area));
|
|
#if GTK_CHECK_VERSION(2,22,0)
|
|
cairo_set_source_surface(cr, g->surface[g->displayed], g->wp.x, g->wp.y);
|
|
#else
|
|
gdk_cairo_set_source_pixmap(cr, g->pixmap[g->displayed], g->wp.x, g->wp.y);
|
|
#endif /* GTK_CHECK_VERSION(2,22,0) */
|
|
cairo_rectangle(cr, g->wp.x, g->wp.y, g->wp.width, g->wp.height);
|
|
cairo_fill(cr);
|
|
cairo_destroy(cr);
|
|
}
|
|
|
|
static void graph_pixmaps_switch(struct gtk_rlc_graph *g)
|
|
{
|
|
g->displayed = 1 ^ g->displayed;
|
|
}
|
|
|
|
static void graph_pixmap_draw(struct gtk_rlc_graph *g)
|
|
{
|
|
struct element_list *list;
|
|
struct element *e;
|
|
int not_disp;
|
|
cairo_t *cr;
|
|
cairo_t *cr_elements;
|
|
GdkRGBA *current_color = NULL;
|
|
GdkRGBA *color_to_set = NULL;
|
|
gboolean line_stroked = TRUE;
|
|
|
|
debug(DBS_FENTRY) puts("graph_display()");
|
|
not_disp = 1 ^ g->displayed;
|
|
|
|
#if GTK_CHECK_VERSION(2,22,0)
|
|
cr = cairo_create(g->surface[not_disp]);
|
|
#else
|
|
cr = gdk_cairo_create(g->pixmap[not_disp]);
|
|
#endif /* GTK_CHECK_VERSION(2,22,0) */
|
|
cairo_set_source_rgb(cr, 1, 1, 1);
|
|
cairo_rectangle(cr, 0, 0, g->wp.width, g->wp.height);
|
|
cairo_fill(cr);
|
|
cairo_destroy(cr);
|
|
|
|
/* Create one cairo_t for use with all of the lines, rather than continually
|
|
creating and destroying one for each line */
|
|
#if GTK_CHECK_VERSION(2,22,0)
|
|
cr_elements = cairo_create(g->surface[not_disp]);
|
|
#else
|
|
cr_elements = gdk_cairo_create(g->pixmap[not_disp]);
|
|
#endif
|
|
|
|
/* N.B. This makes drawing circles take half the time of the default setting.
|
|
Changing from the default fill rule didn't make any noticeable difference
|
|
though */
|
|
cairo_set_tolerance(cr_elements, 1.0);
|
|
|
|
/* Line width is always 1 pixel */
|
|
cairo_set_line_width(cr_elements, 1.0);
|
|
|
|
/* Draw all elements */
|
|
for (list=g->graph.elists; list; list=list->next) {
|
|
for (e=list->elements; e->type != ELMT_NONE; e++) {
|
|
|
|
/* Work out if we need to change colour */
|
|
if (current_color == e->elment_color_p) {
|
|
/* No change needed */
|
|
color_to_set = NULL;
|
|
}
|
|
else {
|
|
/* Changing colour */
|
|
current_color = color_to_set = e->elment_color_p;
|
|
cairo_stroke(cr_elements);
|
|
}
|
|
|
|
switch (e->type) {
|
|
case ELMT_LINE:
|
|
/* Draw the line */
|
|
draw_element_line(g, e, cr_elements, color_to_set);
|
|
line_stroked = FALSE;
|
|
break;
|
|
|
|
case ELMT_ELLIPSE:
|
|
if (!line_stroked) {
|
|
cairo_stroke(cr_elements);
|
|
line_stroked = TRUE;
|
|
}
|
|
/* Draw the ellipse */
|
|
draw_element_ellipse(g, e, cr_elements, color_to_set);
|
|
break;
|
|
|
|
default:
|
|
/* No other element types supported at the moment */
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Make sure any remaining lines get drawn */
|
|
if (!line_stroked) {
|
|
cairo_stroke(cr_elements);
|
|
}
|
|
}
|
|
|
|
cairo_destroy(cr_elements);
|
|
}
|
|
|
|
static void draw_element_line(struct gtk_rlc_graph *g, struct element *e, cairo_t *cr,
|
|
GdkRGBA *new_color)
|
|
{
|
|
int xx1, xx2, yy1, yy2;
|
|
|
|
debug(DBS_GRAPH_DRAWING)
|
|
printf("\nline element: (%.2f,%.2f)->(%.2f,%.2f), seg %u ...\n",
|
|
e->p.line.dim.x1, e->p.line.dim.y1,
|
|
e->p.line.dim.x2, e->p.line.dim.y2, e->parent->num);
|
|
|
|
/* Set our new colour (if changed) */
|
|
if (new_color != NULL) {
|
|
gdk_cairo_set_source_rgba(cr, new_color);
|
|
}
|
|
|
|
/* Map point into graph area, and round to nearest int */
|
|
xx1 = (int)rint(e->p.line.dim.x1 + g->geom.x - g->wp.x);
|
|
xx2 = (int)rint(e->p.line.dim.x2 + g->geom.x - g->wp.x);
|
|
yy1 = (int)rint((g->geom.height-1-e->p.line.dim.y1) + g->geom.y-g->wp.y);
|
|
yy2 = (int)rint((g->geom.height-1-e->p.line.dim.y2) + g->geom.y-g->wp.y);
|
|
|
|
/* If line completely out of the area, we won't show it */
|
|
if (((xx1 < 0) && (xx2 < 0)) || ((xx1 >= g->wp.width) && (xx2 >= g->wp.width)) ||
|
|
((yy1 < 0) && (yy2 < 0)) || ((yy1 >= g->wp.height) && (yy2 >= g->wp.height))) {
|
|
debug(DBS_GRAPH_DRAWING) printf(" refusing: (%d,%d)->(%d,%d)\n", xx1, yy1, xx2, yy2);
|
|
return;
|
|
}
|
|
|
|
/* If one end of the line is out of bounds, don't worry. Cairo will
|
|
clip the line to the outside of g->wp at the correct angle! */
|
|
|
|
debug(DBS_GRAPH_DRAWING) printf("line: (%d,%d)->(%d,%d)\n", xx1, yy1, xx2, yy2);
|
|
|
|
/* Draw from first position to second */
|
|
cairo_move_to(cr, xx1+0.5, yy1+0.5);
|
|
cairo_line_to(cr, xx2+0.5, yy2+0.5);
|
|
}
|
|
|
|
static void draw_element_ellipse(struct gtk_rlc_graph *g, struct element *e, cairo_t *cr,
|
|
GdkRGBA *new_color)
|
|
{
|
|
gdouble w = e->p.ellipse.dim.width;
|
|
gdouble h = e->p.ellipse.dim.height;
|
|
gdouble x = e->p.ellipse.dim.x + g->geom.x - g->wp.x;
|
|
gdouble y = g->geom.height-1 - e->p.ellipse.dim.y + g->geom.y - g->wp.y;
|
|
|
|
debug(DBS_GRAPH_DRAWING) printf ("ellipse: (x, y) -> (w, h): (%f, %f) -> (%f, %f)\n", x, y, w, h);
|
|
|
|
/* Set our new colour (if changed) */
|
|
if (new_color != NULL) {
|
|
gdk_cairo_set_source_rgba(cr, new_color);
|
|
}
|
|
|
|
cairo_save(cr);
|
|
cairo_translate(cr, x + w/2.0, y + h/2.0);
|
|
cairo_scale(cr, w/2.0, h/2.0);
|
|
cairo_arc(cr, 0.0, 0.0, 1.0, 0.0, 2*G_PI);
|
|
cairo_fill(cr);
|
|
cairo_restore(cr);
|
|
}
|
|
|
|
|
|
static void axis_pixmaps_create(struct axis *axis)
|
|
{
|
|
debug(DBS_FENTRY) puts("axis_pixmaps_create()");
|
|
#if GTK_CHECK_VERSION(2,22,0)
|
|
if (axis->surface[0]){
|
|
cairo_surface_destroy(axis->surface[0]);
|
|
axis->surface[0] = NULL;
|
|
}
|
|
if (axis->surface[1]){
|
|
cairo_surface_destroy(axis->surface[1]);
|
|
axis->surface[1] = NULL;
|
|
}
|
|
axis->surface[0] = gdk_window_create_similar_surface(gtk_widget_get_window(axis->drawing_area),
|
|
CAIRO_CONTENT_COLOR,
|
|
axis->p.width,
|
|
axis->p.height);
|
|
|
|
axis->surface[1] = gdk_window_create_similar_surface(gtk_widget_get_window(axis->drawing_area),
|
|
CAIRO_CONTENT_COLOR,
|
|
axis->p.width,
|
|
axis->p.height);
|
|
|
|
axis->displayed = 0;
|
|
#else
|
|
if (axis->pixmap[0])
|
|
g_object_unref(axis->pixmap[0]);
|
|
if (axis->pixmap[1])
|
|
g_object_unref(axis->pixmap[1]);
|
|
|
|
axis->pixmap[0] = gdk_pixmap_new(gtk_widget_get_window(axis->drawing_area),
|
|
axis->p.width, axis->p.height, -1);
|
|
axis->pixmap[1] = gdk_pixmap_new(gtk_widget_get_window(axis->drawing_area),
|
|
axis->p.width, axis->p.height, -1);
|
|
|
|
axis->displayed = 0;
|
|
#endif
|
|
}
|
|
|
|
static void axis_destroy(struct axis *axis)
|
|
{
|
|
#if GTK_CHECK_VERSION(2,22,0)
|
|
if (axis->surface[0]){
|
|
cairo_surface_destroy(axis->surface[0]);
|
|
axis->surface[0] = NULL;
|
|
}
|
|
if (axis->surface[1]){
|
|
cairo_surface_destroy(axis->surface[1]);
|
|
axis->surface[1] = NULL;
|
|
}
|
|
#else
|
|
g_object_unref(axis->pixmap[0]);
|
|
g_object_unref(axis->pixmap[1]);
|
|
#endif
|
|
g_free((gpointer)(axis->label) );
|
|
}
|
|
|
|
static void axis_display(struct axis *axis)
|
|
{
|
|
if (axis->is_horizontal_axis)
|
|
h_axis_pixmap_draw(axis);
|
|
else
|
|
v_axis_pixmap_draw(axis);
|
|
|
|
axis_pixmaps_switch(axis);
|
|
axis_pixmap_display(axis);
|
|
}
|
|
|
|
/* These show sequence numbers. Avoid subdividing whole numbers. */
|
|
static void v_axis_pixmap_draw(struct axis *axis)
|
|
{
|
|
struct gtk_rlc_graph *g = axis->g;
|
|
int i;
|
|
double major_tick;
|
|
int not_disp, offset, imin, imax;
|
|
double bottom, top, fl, corr;
|
|
PangoLayout *layout;
|
|
cairo_t *cr;
|
|
|
|
debug(DBS_FENTRY) puts("v_axis_pixmap_draw()");
|
|
|
|
/* Work out extent of axis */
|
|
bottom = (g->geom.height - (g->wp.height + g->wp.y + (-g->geom.y))) /
|
|
(double )g->geom.height * g->bounds.height;
|
|
bottom += axis->min;
|
|
top = (g->geom.height - (g->wp.y + (-g->geom.y))) /
|
|
(double )g->geom.height * g->bounds.height;
|
|
top += axis->min;
|
|
axis_compute_ticks(axis, bottom, top, AXIS_VERTICAL);
|
|
|
|
not_disp = 1 ^ axis->displayed;
|
|
|
|
#if GTK_CHECK_VERSION(2,22,0)
|
|
cr = cairo_create(axis->surface[not_disp]);
|
|
#else
|
|
cr = gdk_cairo_create(axis->pixmap[not_disp]);
|
|
#endif
|
|
cairo_set_source_rgb(cr, 1, 1, 1);
|
|
cairo_rectangle(cr, 0, 0, axis->p.width, axis->p.height);
|
|
cairo_fill(cr);
|
|
|
|
/* axis */
|
|
cairo_set_source_rgb(cr, 0, 0, 0);
|
|
cairo_set_line_width(cr, 1.0);
|
|
cairo_move_to(cr, axis->p.width - 1.5, (axis->p.height-axis->s.height)/2.0);
|
|
cairo_line_to(cr, axis->s.width - 1.5, axis->p.height);
|
|
|
|
offset = g->wp.y + (-g->geom.y);
|
|
fl = floor(axis->min / axis->major) * axis->major;
|
|
corr = rint((axis->min - fl) * g->zoom.y);
|
|
|
|
/* major ticks */
|
|
major_tick = axis->major * g->zoom.y;
|
|
imin = (int) ((g->geom.height - offset + corr - g->wp.height) / major_tick + 1);
|
|
imax = (int) ((g->geom.height - offset + corr) / major_tick);
|
|
for (i=imin; i <= imax; i++) {
|
|
gint w, h;
|
|
char desc[32];
|
|
int y = (int) (g->geom.height-1 - (int )rint(i * major_tick) -
|
|
offset + corr + axis->s.y);
|
|
|
|
debug(DBS_AXES_DRAWING) printf("%f @ %d\n",
|
|
i*axis->major + fl, y);
|
|
if ((y < 0) || (y > axis->p.height))
|
|
continue;
|
|
|
|
cairo_move_to(cr, axis->p.width - 15, y+0.5);
|
|
cairo_line_to(cr, axis->s.width - 1, y+0.5);
|
|
|
|
/* Won't be showing any decimal places here... */
|
|
g_snprintf(desc, sizeof(desc), "%u", (unsigned int)(i*axis->major + fl));
|
|
layout = gtk_widget_create_pango_layout(g->drawing_area, desc);
|
|
pango_layout_get_pixel_size(layout, &w, &h);
|
|
cairo_move_to(cr, axis->s.width-14-4-w, y - h/2);
|
|
pango_cairo_show_layout(cr, layout);
|
|
g_object_unref(G_OBJECT(layout));
|
|
}
|
|
/* minor ticks */
|
|
if (axis->minor) {
|
|
double minor_tick = axis->minor * g->zoom.y;
|
|
imin = (int) ((g->geom.height - offset + corr - g->wp.height)/minor_tick + 1);
|
|
imax = (int) ((g->geom.height - offset + corr) / minor_tick);
|
|
for (i=imin; i <= imax; i++) {
|
|
int y = (int) (g->geom.height-1 - (int )rint(i*minor_tick) -
|
|
offset + corr + axis->s.y);
|
|
|
|
if ((y > 0) && (y < axis->p.height)) {
|
|
cairo_set_line_width(cr, 1.0);
|
|
cairo_move_to(cr, axis->s.width - 8, y+0.5);
|
|
cairo_line_to(cr, axis->s.width - 1, y+0.5);
|
|
}
|
|
}
|
|
}
|
|
for (i=0; axis->label[i]; i++) {
|
|
gint w, h;
|
|
layout = gtk_widget_create_pango_layout(g->drawing_area,
|
|
axis->label[i]);
|
|
pango_layout_get_pixel_size(layout, &w, &h);
|
|
cairo_move_to(cr, (axis->p.width - w)/2, TITLEBAR_HEIGHT-10 - i*(h+3) - h);
|
|
pango_cairo_show_layout(cr, layout);
|
|
g_object_unref(G_OBJECT(layout));
|
|
}
|
|
cairo_stroke(cr);
|
|
cairo_destroy(cr);
|
|
}
|
|
|
|
|
|
/* TODO: natural time units are subframes (ms), so might be good to always
|
|
show 3 decimal places? */
|
|
static void h_axis_pixmap_draw(struct axis *axis)
|
|
{
|
|
struct gtk_rlc_graph *g = axis->g;
|
|
int i;
|
|
double major_tick, minor_tick;
|
|
int not_disp, rdigits, offset, imin, imax;
|
|
double left, right, j, fl, corr;
|
|
PangoLayout *layout;
|
|
cairo_t *cr;
|
|
|
|
debug(DBS_FENTRY) puts("h_axis_pixmap_draw()");
|
|
left = (g->wp.x-g->geom.x) / (double)g->geom.width * g->bounds.width;
|
|
left += axis->min;
|
|
right = (g->wp.x-g->geom.x+g->wp.width) / (double)g->geom.width * g->bounds.width;
|
|
right += axis->min;
|
|
axis_compute_ticks(axis, left, right, AXIS_HORIZONTAL);
|
|
|
|
/* Work out how many decimal places should be shown */
|
|
j = axis->major - floor(axis->major);
|
|
for (rdigits=0; rdigits <= 6; rdigits++) {
|
|
j *= 10;
|
|
if (j <= 0.000001)
|
|
break;
|
|
j = j - floor(j);
|
|
}
|
|
|
|
not_disp = 1 ^ axis->displayed;
|
|
|
|
#if GTK_CHECK_VERSION(2,22,0)
|
|
cr = cairo_create(axis->surface[not_disp]);
|
|
#else
|
|
cr = gdk_cairo_create(axis->pixmap[not_disp]);
|
|
#endif
|
|
cairo_set_source_rgb(cr, 1, 1, 1);
|
|
cairo_rectangle(cr, 0, 0, axis->p.width, axis->p.height);
|
|
cairo_fill(cr);
|
|
|
|
/* axis */
|
|
cairo_set_source_rgb(cr, 0, 0, 0);
|
|
cairo_set_line_width(cr, 1.0);
|
|
cairo_move_to(cr, 0, 0.5);
|
|
cairo_line_to(cr, axis->s.width + (axis->p.width-axis->s.width)/2.0, 0.5);
|
|
|
|
offset = g->wp.x - g->geom.x;
|
|
|
|
fl = floor(axis->min / axis->major) * axis->major;
|
|
corr = rint((axis->min - fl) * g->zoom.x);
|
|
|
|
/* major ticks */
|
|
major_tick = axis->major*g->zoom.x;
|
|
imin = (int) ((offset + corr) / major_tick + 1);
|
|
imax = (int) ((offset + corr + axis->s.width) / major_tick);
|
|
for (i=imin; i <= imax; i++) {
|
|
char desc[32];
|
|
int w, h;
|
|
int x = (int) (rint(i * major_tick) - offset - corr);
|
|
|
|
/* printf("%f @ %d\n", i*axis->major + fl, x); */
|
|
if ((x < 0) || (x > axis->s.width))
|
|
continue;
|
|
cairo_move_to(cr, x+0.5, 0);
|
|
cairo_line_to(cr, x+0.5, 15);
|
|
|
|
g_snprintf(desc, sizeof(desc), "%.*f", rdigits, i*axis->major + fl);
|
|
layout = gtk_widget_create_pango_layout(g->drawing_area, desc);
|
|
pango_layout_get_pixel_size(layout, &w, &h);
|
|
cairo_move_to(cr, x - w/2, 15+4);
|
|
pango_cairo_show_layout(cr, layout);
|
|
g_object_unref(G_OBJECT(layout));
|
|
}
|
|
if (axis->minor > 0) {
|
|
/* minor ticks */
|
|
minor_tick = axis->minor*g->zoom.x;
|
|
imin = (int) ((offset + corr) / minor_tick + 1);
|
|
imax = (int) ((offset + corr + g->wp.width) / minor_tick);
|
|
for (i=imin; i <= imax; i++) {
|
|
int x = (int) (rint(i * minor_tick) - offset - corr);
|
|
if ((x > 0) && (x < axis->s.width)){
|
|
cairo_move_to(cr, x+0.5, 0);
|
|
cairo_line_to(cr, x+0.5, 8);
|
|
}
|
|
}
|
|
}
|
|
for (i=0; axis->label[i]; i++) {
|
|
gint w, h;
|
|
layout = gtk_widget_create_pango_layout(g->drawing_area,
|
|
axis->label[i]);
|
|
pango_layout_get_pixel_size(layout, &w, &h);
|
|
cairo_move_to(cr, axis->s.width - w - 50, 15+h+15 + i*(h+3));
|
|
pango_cairo_show_layout(cr, layout);
|
|
g_object_unref(G_OBJECT(layout));
|
|
}
|
|
|
|
cairo_stroke(cr);
|
|
cairo_destroy(cr);
|
|
}
|
|
|
|
static void axis_pixmaps_switch(struct axis *axis)
|
|
{
|
|
axis->displayed = 1 ^ axis->displayed;
|
|
}
|
|
|
|
static void axis_pixmap_display(struct axis *axis)
|
|
{
|
|
cairo_t *cr;
|
|
|
|
cr = gdk_cairo_create(gtk_widget_get_window(axis->drawing_area));
|
|
#if GTK_CHECK_VERSION(2,22,0)
|
|
cairo_set_source_surface(cr, axis->surface[axis->displayed], axis->p.x, axis->p.y);
|
|
#else
|
|
gdk_cairo_set_source_pixmap(cr, axis->pixmap[axis->displayed], axis->p.x, axis->p.y);
|
|
#endif
|
|
cairo_rectangle(cr, axis->p.x, axis->p.y, axis->p.width, axis->p.height);
|
|
cairo_fill(cr);
|
|
cairo_destroy(cr);
|
|
}
|
|
|
|
static void axis_compute_ticks(struct axis *axis, double x0, double xmax, int dir)
|
|
{
|
|
int i, j, ii, jj, ms;
|
|
double zoom, x, steps[3] = { 0.1, 0.5 };
|
|
int dim, check_needed, diminished;
|
|
double majthresh[2] = {2.0, 3.0};
|
|
|
|
debug((DBS_FENTRY | DBS_AXES_TICKS)) puts("axis_compute_ticks()");
|
|
debug(DBS_AXES_TICKS)
|
|
printf("x0=%f xmax=%f dir=%s\n", x0,xmax, dir? "VERTICAL" : "HORIZONTAL");
|
|
|
|
zoom = axis_zoom_get(axis, dir);
|
|
x = xmax-x0;
|
|
for (i=-9; i <= 12; i++) {
|
|
if (x / pow(10, i) < 1)
|
|
break;
|
|
}
|
|
--i;
|
|
ms = (int )(x / pow(10, i));
|
|
|
|
if (ms > 5) {
|
|
j = 0;
|
|
++i;
|
|
} else if (ms > 2)
|
|
j = 1;
|
|
else
|
|
j = 0;
|
|
|
|
axis->major = steps[j] * pow(10, i);
|
|
if (dir == AXIS_VERTICAL) {
|
|
/* But don't divide further than whole sequence numbers */
|
|
axis->major = MAX(axis->major, 1.0);
|
|
}
|
|
|
|
debug(DBS_AXES_TICKS) printf("zoom=%.1f, x=%f -> i=%d -> ms=%d -> j=%d ->"
|
|
" axis->major=%f\n", zoom, x, i, ms, j, axis->major);
|
|
|
|
/* Compute minor ticks */
|
|
jj = j;
|
|
ii = i;
|
|
axis_ticks_down(&ii, &jj);
|
|
|
|
if ((dir == AXIS_VERTICAL) && (axis->major <= 1)) {
|
|
/* Don't subdivide whole sequence numbers */
|
|
axis->minor = 0;
|
|
}
|
|
else {
|
|
axis->minor = steps[jj] * pow(10, ii);
|
|
/* We don't want minors if they would be less than 10 pixels apart */
|
|
if (axis->minor*zoom < 10) {
|
|
debug(DBS_AXES_TICKS) printf("refusing axis->minor of %f: "
|
|
"axis->minor*zoom == %f\n",
|
|
axis->minor, axis->minor*zoom);
|
|
axis->minor = 0;
|
|
}
|
|
}
|
|
|
|
check_needed = TRUE;
|
|
diminished = FALSE;
|
|
while (check_needed) {
|
|
check_needed = FALSE;
|
|
dim = get_label_dim(axis, dir, xmax);
|
|
debug(DBS_AXES_TICKS) printf("axis->major==%.1f, axis->minor==%.1f =>"
|
|
" axis->major*zoom/dim==%f, axis->minor*zoom/dim==%f\n",
|
|
axis->major, axis->minor, axis->major*zoom/dim,
|
|
axis->minor*zoom/dim);
|
|
|
|
/* corrections: if majors are less than majthresh[dir] times label
|
|
* dimension apart, we need to use bigger ones */
|
|
if (axis->major*zoom / dim < majthresh[dir]) {
|
|
axis_ticks_up(&ii, &jj);
|
|
axis->minor = axis->major;
|
|
axis_ticks_up(&i, &j);
|
|
axis->major = steps[j] * pow(10, i);
|
|
check_needed = TRUE;
|
|
debug(DBS_AXES_TICKS) printf("axis->major enlarged to %.1f\n",
|
|
axis->major);
|
|
}
|
|
/* if minor ticks are bigger than majthresh[dir] times label dimension,
|
|
* we could promote them to majors as well */
|
|
if ((axis->minor*zoom / dim > majthresh[dir]) && !diminished) {
|
|
axis_ticks_down(&i, &j);
|
|
axis->major = axis->minor;
|
|
axis_ticks_down(&ii, &jj);
|
|
axis->minor = steps[jj] * pow(10, ii);
|
|
check_needed = TRUE;
|
|
diminished = TRUE;
|
|
|
|
debug(DBS_AXES_TICKS) printf("axis->minor diminished to %.1f\n",
|
|
axis->minor);
|
|
|
|
if (axis->minor*zoom < 10) {
|
|
debug(DBS_AXES_TICKS) printf("refusing axis->minor of %f: "
|
|
"axis->minor*zoom == %f\n", axis->minor, axis->minor*zoom);
|
|
axis->minor = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
debug(DBS_AXES_TICKS) printf("corrected: axis->major == %.1f -> "
|
|
"axis->minor == %.1f\n", axis->major, axis->minor);
|
|
}
|
|
|
|
static void axis_ticks_up(int *i, int *j)
|
|
{
|
|
(*j)++;
|
|
if (*j>1) {
|
|
(*i)++;
|
|
*j = 0;
|
|
}
|
|
}
|
|
|
|
static void axis_ticks_down(int *i, int *j)
|
|
{
|
|
(*j)--;
|
|
if (*j < 0) {
|
|
(*i)--;
|
|
*j = 1;
|
|
}
|
|
}
|
|
|
|
static int get_label_dim(struct axis *axis, int dir, double label)
|
|
{
|
|
double y;
|
|
char str[32];
|
|
int rdigits, dim;
|
|
PangoLayout *layout;
|
|
|
|
/* First, let's compute how many digits to the right of radix
|
|
* we need to print */
|
|
y = axis->major - floor(axis->major);
|
|
for (rdigits=0; rdigits <= 6; rdigits++) {
|
|
y *= 10;
|
|
if (y <= 0.000001)
|
|
break;
|
|
y = y - floor(y);
|
|
}
|
|
g_snprintf(str, sizeof(str), "%.*f", rdigits, label);
|
|
switch (dir) {
|
|
case AXIS_HORIZONTAL:
|
|
layout = gtk_widget_create_pango_layout(axis->g->drawing_area, str);
|
|
pango_layout_get_pixel_size(layout, &dim, NULL);
|
|
g_object_unref(G_OBJECT(layout));
|
|
break;
|
|
case AXIS_VERTICAL:
|
|
layout = gtk_widget_create_pango_layout(axis->g->drawing_area, str);
|
|
pango_layout_get_pixel_size(layout, NULL, &dim);
|
|
g_object_unref(G_OBJECT(layout));
|
|
break;
|
|
default:
|
|
puts("initialize axis: an axis must be either horizontal or vertical");
|
|
return -1;
|
|
}
|
|
return dim;
|
|
}
|
|
|
|
static double axis_zoom_get(struct axis *axis, int dir)
|
|
{
|
|
switch (dir) {
|
|
case AXIS_HORIZONTAL:
|
|
return axis->g->zoom.x;
|
|
case AXIS_VERTICAL:
|
|
return axis->g->zoom.y;
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
static void graph_select_segment(struct gtk_rlc_graph *g, int x, int y)
|
|
{
|
|
struct element_list *list;
|
|
struct element *e;
|
|
guint num = 0;
|
|
|
|
debug(DBS_FENTRY) puts("graph_select_segment()");
|
|
|
|
x -= g->geom.x;
|
|
y = g->geom.height-1 - (y - g->geom.y);
|
|
|
|
set_busy_cursor(gtk_widget_get_window(g->drawing_area));
|
|
|
|
for (list=g->graph.elists; list; list=list->next) {
|
|
for (e=list->elements; e->type != ELMT_NONE; e++) {
|
|
switch (e->type) {
|
|
case ELMT_LINE:
|
|
if (line_detect_collision(e, x, y)) {
|
|
num = e->parent->num;
|
|
}
|
|
break;
|
|
case ELMT_ELLIPSE:
|
|
if (ellipse_detect_collision(e, x, y)) {
|
|
num = e->parent->num;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
if (num) {
|
|
cf_goto_frame(&cfile, num);
|
|
}
|
|
}
|
|
|
|
static int line_detect_collision(struct element *e, int x, int y)
|
|
{
|
|
int xx1, yy1, xx2, yy2;
|
|
|
|
/* Get sorted x, y co-ordinates for line */
|
|
if (e->p.line.dim.x1 < e->p.line.dim.x2) {
|
|
xx1 = (int)rint(e->p.line.dim.x1);
|
|
xx2 = (int)rint(e->p.line.dim.x2);
|
|
} else {
|
|
xx1 = (int)rint(e->p.line.dim.x2);
|
|
xx2 = (int)rint(e->p.line.dim.x1);
|
|
}
|
|
if (e->p.line.dim.y1 < e->p.line.dim.y2) {
|
|
yy1 = (int)rint(e->p.line.dim.y1);
|
|
yy2 = (int)rint(e->p.line.dim.y2);
|
|
} else {
|
|
yy1 = (int)rint(e->p.line.dim.y2);
|
|
yy2 = (int)rint(e->p.line.dim.y1);
|
|
}
|
|
/*
|
|
printf("line: (%d,%d)->(%d,%d), clicked: (%d,%d)\n", xx1, yy1, xx2, yy2, x, y);
|
|
*/
|
|
|
|
/* N.B. won't match with diagonal lines... */
|
|
if (((xx1 == x) && (xx2 == x) && (yy1 <= y) && (y <= yy2) )| /* lies along vertical line */
|
|
((yy1 == y) && (yy2 == y) && (xx1 <= x) && (x <= xx2))) { /* lies along horizontal line */
|
|
return TRUE;
|
|
}
|
|
else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static int ellipse_detect_collision(struct element *e, int x, int y)
|
|
{
|
|
int xx1, yy1, xx2, yy2;
|
|
|
|
xx1 = (int )rint (e->p.ellipse.dim.x);
|
|
xx2 = (int )rint (e->p.ellipse.dim.x + e->p.ellipse.dim.width);
|
|
yy1 = (int )rint (e->p.ellipse.dim.y - e->p.ellipse.dim.height);
|
|
yy2 = (int )rint (e->p.ellipse.dim.y);
|
|
/*
|
|
printf ("ellipse: (%d,%d)->(%d,%d), clicked: (%d,%d)\n", xx1, yy1, xx2, yy2, x, y);
|
|
*/
|
|
if ((xx1 <= x) && (x <= xx2) && (yy1 <= y) && (y <= yy2)) {
|
|
return TRUE;
|
|
}
|
|
else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
static gboolean configure_event(GtkWidget *widget _U_, GdkEventConfigure *event, gpointer user_data)
|
|
{
|
|
struct gtk_rlc_graph *g = (struct gtk_rlc_graph *)user_data;
|
|
struct zoom new_zoom;
|
|
int cur_g_width, cur_g_height;
|
|
int cur_wp_width, cur_wp_height;
|
|
|
|
debug(DBS_FENTRY) puts("configure_event()");
|
|
|
|
cur_wp_width = g->wp.width;
|
|
cur_wp_height = g->wp.height;
|
|
g->wp.width = event->width - g->y_axis->p.width - RMARGIN_WIDTH;
|
|
g->wp.height = event->height - g->x_axis->p.height - g->wp.y;
|
|
g->x_axis->s.width = g->wp.width;
|
|
g->x_axis->p.width = g->wp.width + RMARGIN_WIDTH;
|
|
g->y_axis->p.height = g->wp.height + g->wp.y;
|
|
g->y_axis->s.height = g->wp.height;
|
|
g->x_axis->p.y = g->y_axis->p.height;
|
|
new_zoom.x = (double)g->wp.width / cur_wp_width;
|
|
new_zoom.y = (double)g->wp.height / cur_wp_height;
|
|
cur_g_width = g->geom.width;
|
|
cur_g_height = g->geom.height;
|
|
g->geom.width = (int)rint(g->geom.width * new_zoom.x);
|
|
g->geom.height = (int)rint(g->geom.height * new_zoom.y);
|
|
g->zoom.x = (double)(g->geom.width - 1) / g->bounds.width;
|
|
g->zoom.y = (double)(g->geom.height -1) / g->bounds.height;
|
|
|
|
g->geom.x = (int)(g->wp.x - (double)g->geom.width/cur_g_width * (g->wp.x - g->geom.x));
|
|
g->geom.y = (int)(g->wp.y - (double)g->geom.height/cur_g_height * (g->wp.y - g->geom.y));
|
|
#if 0
|
|
printf("configure: graph: (%d,%d), (%d,%d); viewport: (%d,%d), (%d,%d); "
|
|
"zooms: (%f,%f)\n", g->geom.x, g->geom.y, g->geom.width,
|
|
g->geom.height, g->wp.x, g->wp.y, g->wp.width, g->wp.height,
|
|
g->zoom.x, g->zoom.y);
|
|
#endif
|
|
|
|
graph_element_lists_make(g);
|
|
graph_pixmaps_create(g);
|
|
graph_title_pixmap_create(g);
|
|
axis_pixmaps_create(g->y_axis);
|
|
axis_pixmaps_create(g->x_axis);
|
|
/* we don't do actual drawing here; we leave it to expose handler */
|
|
graph_pixmap_draw(g);
|
|
graph_pixmaps_switch(g);
|
|
graph_title_pixmap_draw(g);
|
|
h_axis_pixmap_draw(g->x_axis);
|
|
axis_pixmaps_switch(g->x_axis);
|
|
v_axis_pixmap_draw(g->y_axis);
|
|
axis_pixmaps_switch(g->y_axis);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
#if GTK_CHECK_VERSION(3,0,0)
|
|
static gboolean
|
|
draw_event(GtkWidget *widget _U_, cairo_t *cr, gpointer user_data)
|
|
{
|
|
struct gtk_rlc_graph *g = (struct gtk_rlc_graph *)user_data;
|
|
|
|
debug(DBS_FENTRY) puts("draw_event()");
|
|
|
|
/* lower left corner */
|
|
cairo_set_source_rgb(cr, 1, 1, 1);
|
|
cairo_rectangle(cr, 0, g->wp.y + g->wp.height, g->y_axis->p.width, g->x_axis->p.height);
|
|
cairo_fill(cr);
|
|
|
|
/* right margin */
|
|
cairo_rectangle(cr, g->wp.x + g->wp.width, g->wp.y, RMARGIN_WIDTH, g->wp.height);
|
|
cairo_fill(cr);
|
|
|
|
/* Should these routines be copied here, or be given the cairo_t ?? */
|
|
graph_pixmap_display(g);
|
|
graph_title_pixmap_display(g);
|
|
axis_pixmap_display(g->x_axis);
|
|
axis_pixmap_display(g->y_axis);
|
|
|
|
return TRUE;
|
|
}
|
|
#else
|
|
static gboolean expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer user_data)
|
|
{
|
|
struct gtk_rlc_graph *g = (struct gtk_rlc_graph *)user_data;
|
|
cairo_t *cr;
|
|
|
|
debug(DBS_FENTRY) puts("expose_event()");
|
|
|
|
if (event->count)
|
|
return TRUE;
|
|
|
|
/* lower left corner */
|
|
cr = gdk_cairo_create(gtk_widget_get_window(widget));
|
|
cairo_set_source_rgb(cr, 1, 1, 1);
|
|
cairo_rectangle(cr, 0, g->wp.y + g->wp.height, g->y_axis->p.width, g->x_axis->p.height);
|
|
cairo_fill(cr);
|
|
cairo_destroy(cr);
|
|
cr = NULL;
|
|
|
|
/* right margin */
|
|
cr = gdk_cairo_create(gtk_widget_get_window(widget));
|
|
cairo_set_source_rgb(cr, 1, 1, 1);
|
|
cairo_rectangle(cr, g->wp.x + g->wp.width, g->wp.y, RMARGIN_WIDTH, g->wp.height);
|
|
cairo_fill(cr);
|
|
cairo_destroy(cr);
|
|
cr = NULL;
|
|
|
|
graph_pixmap_display(g);
|
|
graph_title_pixmap_display(g);
|
|
axis_pixmap_display(g->x_axis);
|
|
axis_pixmap_display(g->y_axis);
|
|
|
|
return TRUE;
|
|
}
|
|
#endif
|
|
|
|
|
|
static void
|
|
perform_zoom(struct gtk_rlc_graph *g, struct zoomfactor *zf,
|
|
int origin_x, int origin_y)
|
|
{
|
|
int cur_width = g->geom.width, cur_height = g->geom.height;
|
|
|
|
/* Multiply by x and y factors */
|
|
g->geom.width = (int )rint(g->geom.width * zf->x);
|
|
g->geom.height = (int )rint(g->geom.height * zf->y);
|
|
|
|
/* If already fully-zoomed out, don't waste time re-drawing */
|
|
if ((g->geom.width <= g->wp.width) &&
|
|
(g->geom.height <= g->wp.height)) {
|
|
return;
|
|
}
|
|
|
|
/* Don't go out of bounds */
|
|
if (g->geom.width < g->wp.width) {
|
|
g->geom.width = g->wp.width;
|
|
}
|
|
if (g->geom.height < g->wp.height) {
|
|
g->geom.height = g->wp.height;
|
|
}
|
|
|
|
/* Divide to work out new zoom */
|
|
g->zoom.x = (g->geom.width - 1) / g->bounds.width;
|
|
g->zoom.y = (g->geom.height- 1) / g->bounds.height;
|
|
|
|
/* Move origin to keep mouse position at centre of view */
|
|
g->geom.x -= (int)rint((g->geom.width - cur_width) *
|
|
((origin_x - g->geom.x)/(double )cur_width));
|
|
g->geom.y -= (int)rint((g->geom.height - cur_height) *
|
|
((origin_y - g->geom.y)/(double )cur_height));
|
|
|
|
/* Again, don't go out of bounds */
|
|
if (g->geom.x > g->wp.x)
|
|
g->geom.x = g->wp.x;
|
|
if (g->geom.y > g->wp.y)
|
|
g->geom.y = g->wp.y;
|
|
if (g->wp.x + g->wp.width > g->geom.x + g->geom.width)
|
|
g->geom.x = g->wp.width + g->wp.x - g->geom.width;
|
|
if (g->wp.y + g->wp.height > g->geom.y + g->geom.height)
|
|
g->geom.y = g->wp.height + g->wp.y - g->geom.height;
|
|
}
|
|
|
|
static void
|
|
do_zoom_rectangle(struct gtk_rlc_graph *g, struct irect lcl_zoomrect)
|
|
{
|
|
int cur_width = g->wp.width, cur_height = g->wp.height;
|
|
/* Make copy of geom1 before working out zoom */
|
|
struct irect geom1 = g->geom;
|
|
struct zoomfactor factor;
|
|
|
|
/* Left hand too much to the right */
|
|
if (lcl_zoomrect.x > g->wp.x + g->wp.width)
|
|
return;
|
|
/* Right hand not far enough */
|
|
if (lcl_zoomrect.x + lcl_zoomrect.width < g->wp.x)
|
|
return;
|
|
/* Left hand too much to the left */
|
|
if (lcl_zoomrect.x < g->wp.x) {
|
|
int dx = g->wp.x - lcl_zoomrect.x;
|
|
lcl_zoomrect.x += dx;
|
|
lcl_zoomrect.width -= dx;
|
|
}
|
|
/* Right hand too much to the right */
|
|
if (lcl_zoomrect.x + lcl_zoomrect.width > g->wp.x + g->wp.width) {
|
|
int dx = lcl_zoomrect.width + lcl_zoomrect.x - g->wp.x - g->wp.width;
|
|
lcl_zoomrect.width -= dx;
|
|
}
|
|
|
|
/* Top too low */
|
|
if (lcl_zoomrect.y > g->wp.y + g->wp.height)
|
|
return;
|
|
/* Bottom too high */
|
|
if (lcl_zoomrect.y + lcl_zoomrect.height < g->wp.y)
|
|
return;
|
|
/* Top too high */
|
|
if (lcl_zoomrect.y < g->wp.y) {
|
|
int dy = g->wp.y - lcl_zoomrect.y;
|
|
lcl_zoomrect.y += dy;
|
|
lcl_zoomrect.height -= dy;
|
|
}
|
|
/* Bottom too low */
|
|
if (lcl_zoomrect.y + lcl_zoomrect.height > g->wp.y + g->wp.height) {
|
|
int dy = lcl_zoomrect.height + lcl_zoomrect.y - g->wp.y - g->wp.height;
|
|
lcl_zoomrect.height -= dy;
|
|
}
|
|
|
|
/*
|
|
printf("before:\n"
|
|
"\tgeom: (%d, %d)+(%d x %d)\n"
|
|
*/
|
|
|
|
factor.x = (double)cur_width / lcl_zoomrect.width;
|
|
factor.y = (double)cur_height / lcl_zoomrect.height;
|
|
|
|
/*
|
|
printf("Zoomfactor: %f x %f\n", factor.x, factor.y);
|
|
*/
|
|
/* Work out new geom settings and zoom factor */
|
|
perform_zoom(g, &factor,
|
|
lcl_zoomrect.x, lcl_zoomrect.y);
|
|
|
|
/*
|
|
printf("middle:\n"
|
|
"\tgeom: (%d, %d)+(%d x %d)\n"
|
|
"\twp: (%d, %d)+(%d x %d)\n"
|
|
"\tzoomrect: (%d, %d)+(%d x %d)\n",
|
|
g->geom.x, g->geom.y,
|
|
g->geom.width, g->geom.height,
|
|
g->wp.x, g->wp.y, g->wp.width, g->wp.height,
|
|
lcl_zoomrect.x, lcl_zoomrect.y, lcl_zoomrect.width, lcl_zoomrect.height);
|
|
*/
|
|
|
|
/* Final geom settings are in terms of old geom, zoomreect and zoom factor */
|
|
g->geom.x = (int)(geom1.x * (1 + factor.x) -
|
|
lcl_zoomrect.x * factor.x - (geom1.x - g->wp.x));
|
|
g->geom.y = (int)(geom1.y * (1 + factor.y) -
|
|
lcl_zoomrect.y * factor.y - (geom1.y - g->wp.y));
|
|
|
|
/*
|
|
printf("after:\n"
|
|
"\tgeom: (%d, %d)+(%d x %d)\n"
|
|
"\twp: (%d, %d)+(%d x %d)\n"
|
|
"\tzoomrect: (%d, %d)+(%d x %d)\n",
|
|
g->geom.x, g->geom.y,
|
|
g->geom.width, g->geom.height,
|
|
g->wp.x, g->wp.y, g->wp.width, g->wp.height,
|
|
lcl_zoomrect.x, lcl_zoomrect.y, lcl_zoomrect.width, lcl_zoomrect.height);
|
|
*/
|
|
|
|
/* Redraw */
|
|
graph_element_lists_make(g);
|
|
g->cross.erase_needed = FALSE;
|
|
graph_display(g);
|
|
axis_display(g->y_axis);
|
|
axis_display(g->x_axis);
|
|
}
|
|
|
|
|
|
/* Zoom because of keyboard or mouse press */
|
|
static void do_zoom_common(struct gtk_rlc_graph *g, GdkEventButton *event,
|
|
gboolean lock_vertical, gboolean lock_horizontal)
|
|
{
|
|
int cur_width = g->geom.width, cur_height = g->geom.height;
|
|
struct { double x, y; } factor;
|
|
int pointer_x, pointer_y;
|
|
|
|
/* Get mouse position */
|
|
if (event == NULL) {
|
|
/* Keyboard - query it */
|
|
get_mouse_position(g->drawing_area, &pointer_x, &pointer_y, NULL);
|
|
}
|
|
else {
|
|
/* Mouse - just read it from event */
|
|
pointer_x = (int)event->x;
|
|
pointer_y = (int)event->y;
|
|
}
|
|
|
|
|
|
if (g->zoom.flags & ZOOM_OUT) {
|
|
|
|
/* If can't zoom out anymore so don't waste time redrawing the whole graph! */
|
|
if ((g->geom.height <= g->wp.height) &&
|
|
(g->geom.width <= g->wp.width)) {
|
|
return;
|
|
}
|
|
|
|
/* Zoom out */
|
|
if (lock_horizontal) {
|
|
factor.x = 1.0;
|
|
}
|
|
else {
|
|
factor.x = 1 / g->zoom.step_x;
|
|
}
|
|
|
|
if (lock_vertical) {
|
|
factor.y = 1.0;
|
|
}
|
|
else {
|
|
factor.y = 1 / g->zoom.step_y;
|
|
}
|
|
} else {
|
|
/* Zoom in */
|
|
if ((lock_horizontal) || (g->geom.width >= (g->bounds.width * MAX_PIXELS_PER_SECOND))) {
|
|
factor.x = 1.0;
|
|
}
|
|
else {
|
|
factor.x = g->zoom.step_x;
|
|
}
|
|
|
|
/* Don't zoom in too far vertically */
|
|
if (lock_vertical || (g->geom.height >= (g->bounds.height * MAX_PIXELS_PER_SN))) {
|
|
factor.y = 1.0;
|
|
}
|
|
else {
|
|
factor.y = g->zoom.step_y;
|
|
}
|
|
}
|
|
|
|
/* Multiply by x and y factors */
|
|
g->geom.width = (int )rint(g->geom.width * factor.x);
|
|
g->geom.height = (int )rint(g->geom.height * factor.y);
|
|
|
|
/* Clip to space if necessary */
|
|
if (g->geom.width < g->wp.width)
|
|
g->geom.width = g->wp.width;
|
|
if (g->geom.height < g->wp.height)
|
|
g->geom.height = g->wp.height;
|
|
|
|
/* Work out new zoom */
|
|
g->zoom.x = (g->geom.width - 1) / g->bounds.width;
|
|
g->zoom.y = (g->geom.height- 1) / g->bounds.height;
|
|
|
|
/* Move origin to keep mouse position at centre of view */
|
|
g->geom.x -= (int )rint((g->geom.width - cur_width) *
|
|
((pointer_x - g->geom.x)/(double)cur_width));
|
|
g->geom.y -= (int )rint((g->geom.height - cur_height) *
|
|
((pointer_y - g->geom.y)/(double)cur_height));
|
|
|
|
/* Make sure we haven't moved outside the whole graph */
|
|
if (g->geom.x > g->wp.x)
|
|
g->geom.x = g->wp.x;
|
|
if (g->geom.y > g->wp.y)
|
|
g->geom.y = g->wp.y;
|
|
if (g->wp.x + g->wp.width > g->geom.x + g->geom.width)
|
|
g->geom.x = g->wp.width + g->wp.x - g->geom.width;
|
|
if (g->wp.y + g->wp.height > g->geom.y + g->geom.height)
|
|
g->geom.y = g->wp.height + g->wp.y - g->geom.height;
|
|
#if 0
|
|
printf("%s press: graph: (%d,%d), (%d,%d); viewport: (%d,%d), "
|
|
"(%d,%d); zooms: (%f,%f)\n",
|
|
(event != NULL) ? "mouse" : "key", g->geom.x, g->geom.y,
|
|
g->geom.width, g->geom.height, g->wp.x, g->wp.y, g->wp.width,
|
|
g->wp.height, g->zoom.x, g->zoom.y);
|
|
#endif
|
|
|
|
graph_element_lists_make(g);
|
|
graph_display(g);
|
|
axis_display(g->y_axis);
|
|
axis_display(g->x_axis);
|
|
|
|
if (g->cross.draw) {
|
|
g->cross.erase_needed = FALSE;
|
|
cross_draw(g, pointer_x, pointer_y);
|
|
}
|
|
}
|
|
|
|
|
|
static void do_zoom_keyboard(struct gtk_rlc_graph *g,
|
|
gboolean lock_vertical,
|
|
gboolean lock_horizontal)
|
|
{
|
|
do_zoom_common(g, NULL, lock_vertical, lock_horizontal);
|
|
}
|
|
|
|
static void do_zoom_mouse(struct gtk_rlc_graph *g, GdkEventButton *event)
|
|
{
|
|
do_zoom_common(g, event,
|
|
event->state & GDK_SHIFT_MASK,
|
|
event->state & GDK_CONTROL_MASK);
|
|
}
|
|
|
|
static void do_zoom_in_keyboard(struct gtk_rlc_graph *g,
|
|
gboolean lock_vertical,
|
|
gboolean lock_horizontal)
|
|
{
|
|
g->zoom.flags &= ~ZOOM_OUT;
|
|
do_zoom_keyboard(g, lock_vertical, lock_horizontal);
|
|
}
|
|
|
|
static void do_zoom_out_keyboard(struct gtk_rlc_graph *g,
|
|
gboolean lock_vertical,
|
|
gboolean lock_horizontal)
|
|
{
|
|
g->zoom.flags |= ZOOM_OUT;
|
|
do_zoom_keyboard(g, lock_vertical, lock_horizontal);
|
|
}
|
|
|
|
static void do_key_motion(struct gtk_rlc_graph *g)
|
|
{
|
|
if (g->geom.x > g->wp.x) {
|
|
g->geom.x = g->wp.x;
|
|
}
|
|
if (g->geom.y > g->wp.y) {
|
|
g->geom.y = g->wp.y;
|
|
}
|
|
if ((g->wp.x + g->wp.width) > (g->geom.x + g->geom.width)) {
|
|
g->geom.x = g->wp.width + g->wp.x - g->geom.width;
|
|
}
|
|
if ((g->wp.y + g->wp.height) > (g->geom.y + g->geom.height)) {
|
|
g->geom.y = g->wp.height + g->wp.y - g->geom.height;
|
|
}
|
|
|
|
graph_display(g);
|
|
axis_display(g->y_axis);
|
|
axis_display(g->x_axis);
|
|
|
|
if (g->cross.draw) {
|
|
int pointer_x, pointer_y;
|
|
get_mouse_position(g->drawing_area, &pointer_x, &pointer_y, NULL);
|
|
g->cross.erase_needed = FALSE;
|
|
cross_draw (g, pointer_x, pointer_y);
|
|
}
|
|
}
|
|
|
|
static void do_key_motion_up(struct gtk_rlc_graph *g, int step)
|
|
{
|
|
g->geom.y += step;
|
|
do_key_motion(g);
|
|
}
|
|
|
|
static void do_key_motion_down(struct gtk_rlc_graph *g, int step)
|
|
{
|
|
g->geom.y -= step;
|
|
do_key_motion(g);
|
|
}
|
|
|
|
static void do_key_motion_left(struct gtk_rlc_graph *g, int step)
|
|
{
|
|
g->geom.x += step;
|
|
do_key_motion(g);
|
|
}
|
|
|
|
static void do_key_motion_right(struct gtk_rlc_graph *g, int step)
|
|
{
|
|
g->geom.x -= step;
|
|
do_key_motion(g);
|
|
}
|
|
|
|
static gboolean button_press_event(GtkWidget *widget _U_, GdkEventButton *event, gpointer user_data)
|
|
{
|
|
struct gtk_rlc_graph *g = (struct gtk_rlc_graph *)user_data;
|
|
|
|
debug(DBS_FENTRY) puts("button_press_event()");
|
|
|
|
if (event->button == MOUSE_BUTTON_RIGHT) {
|
|
/* Turn on grab. N.B. using (maybe) approx mouse position from event... */
|
|
g->grab.x = (int )rint (event->x) - g->geom.x;
|
|
g->grab.y = (int )rint (event->y) - g->geom.y;
|
|
g->grab.grabbed = TRUE;
|
|
} else if (event->button == MOUSE_BUTTON_MIDDLE) {
|
|
do_zoom_mouse(g, event);
|
|
} else if (event->button == MOUSE_BUTTON_LEFT) {
|
|
/* See if we're on an element that links to a frame */
|
|
graph_select_segment(g, (int)event->x, (int)event->y);
|
|
|
|
/* Set origin of rect, even if outside graph area */
|
|
zoomrect.x = (int)event->x;
|
|
zoomrect.y = (int)event->y;
|
|
}
|
|
|
|
unset_busy_cursor(gtk_widget_get_window(g->drawing_area));
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean button_release_event(GtkWidget *widget _U_, GdkEventButton *event _U_, gpointer user_data)
|
|
{
|
|
struct gtk_rlc_graph *g = (struct gtk_rlc_graph *)user_data;
|
|
|
|
/* Turn off grab if right button released */
|
|
if (event->button == MOUSE_BUTTON_RIGHT) {
|
|
g->grab.grabbed = FALSE;
|
|
}
|
|
else if (event->button == MOUSE_BUTTON_LEFT) {
|
|
int xx1 = zoomrect.x;
|
|
int xx2 = (int)event->x;
|
|
int yy1 = zoomrect.y;
|
|
int yy2 = (int)event->y;
|
|
zoomrect.x = MIN(xx1, xx2);
|
|
zoomrect.width = abs(xx1 - xx2);
|
|
zoomrect.y = MIN(yy1, yy2);
|
|
zoomrect.height = abs(yy1 - yy2);
|
|
|
|
/* Finish selecting a region to zoom in on.
|
|
Take care not to choose a too-small area (by accident?) */
|
|
if ((zoomrect.width > 3) && (zoomrect.height > 3)) {
|
|
int oldflags = g->zoom.flags;
|
|
|
|
debug(DBS_GRAPH_DRAWING) printf("Zoom in from (%d, %d) - (%d, %d)\n",
|
|
zoomrect.x, zoomrect.y,
|
|
zoomrect.width, zoomrect.height);
|
|
|
|
g->zoom.flags &= ~ZOOM_OUT;
|
|
do_zoom_rectangle(g, zoomrect);
|
|
g->zoom.flags = oldflags;
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean motion_notify_event(GtkWidget *widget _U_, GdkEventMotion *event, gpointer user_data)
|
|
{
|
|
struct gtk_rlc_graph *g = (struct gtk_rlc_graph *)user_data;
|
|
int x, y;
|
|
GdkModifierType state;
|
|
|
|
/* debug(DBS_FENTRY) puts ("motion_notify_event()"); */
|
|
|
|
/* Make sure we have accurate mouse position */
|
|
if (event->is_hint)
|
|
get_mouse_position(g->drawing_area, &x, &y, &state);
|
|
else {
|
|
x = (int) event->x;
|
|
y = (int) event->y;
|
|
state = (GdkModifierType)event->state;
|
|
}
|
|
|
|
if (state & GDK_BUTTON3_MASK) {
|
|
if (g->grab.grabbed) {
|
|
/* Move view by difference between where we grabbed and where we are now */
|
|
g->geom.x = x-g->grab.x;
|
|
g->geom.y = y-g->grab.y;
|
|
|
|
/* Limit to outer bounds of graph */
|
|
if (g->geom.x > g->wp.x)
|
|
g->geom.x = g->wp.x;
|
|
if (g->geom.y > g->wp.y)
|
|
g->geom.y = g->wp.y;
|
|
if (g->wp.x + g->wp.width > g->geom.x + g->geom.width)
|
|
g->geom.x = g->wp.width + g->wp.x - g->geom.width;
|
|
if (g->wp.y + g->wp.height > g->geom.y + g->geom.height)
|
|
g->geom.y = g->wp.height + g->wp.y - g->geom.height;
|
|
|
|
/* Redraw everything */
|
|
g->cross.erase_needed = 0;
|
|
graph_display(g);
|
|
axis_display(g->y_axis);
|
|
axis_display(g->x_axis);
|
|
if (g->cross.draw) {
|
|
cross_draw(g, x, y);
|
|
}
|
|
}
|
|
}
|
|
else if (state & GDK_BUTTON1_MASK) {
|
|
|
|
/* Draw bounded box for zoomrect being chosen! */
|
|
if (g->zoomrect_erase_needed) {
|
|
zoomrect_erase(g);
|
|
}
|
|
zoomrect_draw(g, x, y);
|
|
}
|
|
|
|
/* No button currently pressed */
|
|
else {
|
|
/* Update the cross if it's being shown */
|
|
if (g->cross.erase_needed)
|
|
cross_erase(g);
|
|
if (g->cross.draw) {
|
|
cross_draw(g, x, y);
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean key_press_event(GtkWidget *widget _U_, GdkEventKey *event, gpointer user_data)
|
|
{
|
|
struct gtk_rlc_graph *g = (struct gtk_rlc_graph *)user_data;
|
|
int step;
|
|
|
|
debug(DBS_FENTRY) puts("key_press_event()");
|
|
|
|
/* Holding down these keys can affect the step used for moving */
|
|
if ((event->state & GDK_CONTROL_MASK) && (event->state & GDK_SHIFT_MASK)) {
|
|
step = 0;
|
|
}
|
|
else if (event->state & GDK_CONTROL_MASK) {
|
|
step = 1;
|
|
}
|
|
else if (event->state & GDK_SHIFT_MASK) {
|
|
step = 10;
|
|
}
|
|
else {
|
|
step = 100;
|
|
}
|
|
|
|
switch (event->keyval) {
|
|
case ' ':
|
|
toggle_crosshairs(g);
|
|
break;
|
|
case 't':
|
|
/* Toggle betwee showing the time starting at 0, or time in capture */
|
|
toggle_time_origin(g);
|
|
break;
|
|
case 'r':
|
|
case GDK_Home:
|
|
/* Go back to original view, all zoomed out */
|
|
restore_initial_graph_view(g);
|
|
break;
|
|
|
|
/* Zooming in */
|
|
case 'i':
|
|
case 'I':
|
|
do_zoom_in_keyboard(g,
|
|
event->state & GDK_SHIFT_MASK,
|
|
event->state & GDK_CONTROL_MASK);
|
|
break;
|
|
case '+':
|
|
do_zoom_in_keyboard(g,
|
|
FALSE,
|
|
event->state & GDK_CONTROL_MASK);
|
|
break;
|
|
|
|
/* Zooming out */
|
|
case 'o':
|
|
case 'O':
|
|
do_zoom_out_keyboard(g,
|
|
event->state & GDK_SHIFT_MASK,
|
|
event->state & GDK_CONTROL_MASK);
|
|
break;
|
|
case '-':
|
|
do_zoom_out_keyboard(g,
|
|
FALSE,
|
|
event->state & GDK_CONTROL_MASK);
|
|
|
|
/* Direction keys */
|
|
case GDK_Left:
|
|
do_key_motion_left(g, step);
|
|
break;
|
|
case GDK_Up:
|
|
do_key_motion_up(g, step);
|
|
break;
|
|
case GDK_Right:
|
|
do_key_motion_right(g, step);
|
|
break;
|
|
case GDK_Down:
|
|
do_key_motion_down(g, step);
|
|
break;
|
|
|
|
case GDK_Page_Up:
|
|
do_key_motion_up(g, 2000);
|
|
break;
|
|
case GDK_Page_Down:
|
|
do_key_motion_down(g, 2000);
|
|
break;
|
|
|
|
/* Help */
|
|
case GDK_F1:
|
|
callback_create_help(NULL, NULL);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static void toggle_crosshairs(struct gtk_rlc_graph *g)
|
|
{
|
|
/* Toggle state */
|
|
g->cross.draw ^= 1;
|
|
|
|
/* Draw or erase as needed */
|
|
if (g->cross.draw) {
|
|
int x, y;
|
|
get_mouse_position(g->drawing_area, &x, &y, NULL);
|
|
cross_draw(g, x, y);
|
|
} else if (g->cross.erase_needed) {
|
|
cross_erase(g);
|
|
}
|
|
}
|
|
|
|
static void cross_draw(struct gtk_rlc_graph *g, int x, int y)
|
|
{
|
|
/* Shouldn't draw twice onto the same position if haven't erased in the
|
|
meantime! */
|
|
if (g->cross.erase_needed && (g->cross.x == x) && (g->cross.y == y)) {
|
|
return;
|
|
}
|
|
|
|
/* Draw the cross */
|
|
if ((x > g->wp.x) && (x < g->wp.x+g->wp.width) &&
|
|
(y > g->wp.y) && (y < g->wp.y+g->wp.height)) {
|
|
|
|
cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(g->drawing_area));
|
|
gdk_cairo_set_source_rgba(cr, &g->style.seq_color);
|
|
cairo_set_line_width(cr, 1.0);
|
|
|
|
/* Horizonal line */
|
|
cairo_move_to(cr, g->wp.x, y);
|
|
cairo_line_to(cr, g->wp.x + g->wp.width, y);
|
|
|
|
/* Vertical line */
|
|
cairo_move_to(cr, x, g->wp.y);
|
|
cairo_line_to(cr, x, g->wp.y + g->wp.height);
|
|
cairo_stroke(cr);
|
|
cairo_destroy(cr);
|
|
}
|
|
|
|
/* Update state */
|
|
g->cross.x = x;
|
|
g->cross.y = y;
|
|
g->cross.erase_needed = TRUE;
|
|
}
|
|
|
|
static void cross_erase(struct gtk_rlc_graph *g)
|
|
{
|
|
int x = g->cross.x;
|
|
int y = g->cross.y;
|
|
|
|
if ((x > g->wp.x) && (x < g->wp.x+g->wp.width) &&
|
|
(y >= g->wp.y) && (y < g->wp.y+g->wp.height)) {
|
|
|
|
/* Just redraw what is in the pixmap buffer */
|
|
graph_pixmap_display(g);
|
|
}
|
|
|
|
g->cross.erase_needed = FALSE;
|
|
}
|
|
|
|
static void zoomrect_draw(struct gtk_rlc_graph *g, int x, int y)
|
|
{
|
|
if ((zoomrect.x > g->wp.x) && (zoomrect.x < g->wp.x + g->wp.width) &&
|
|
(zoomrect.y > g->wp.y) && (zoomrect.y < g->wp.y + g->wp.height) &&
|
|
(x > g->wp.x + 0.5) && (x < g->wp.x+g->wp.width) &&
|
|
(y > g->wp.y) && (y < g->wp.y+g->wp.height)) {
|
|
|
|
cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(g->drawing_area));
|
|
gdk_cairo_set_source_rgba(cr, &g->style.seq_color);
|
|
cairo_set_line_width(cr, 1.0);
|
|
|
|
/* Do outline of rect */
|
|
cairo_rectangle(cr, zoomrect.x, zoomrect.y, x-zoomrect.x, y-zoomrect.y);
|
|
cairo_stroke(cr);
|
|
cairo_destroy(cr);
|
|
}
|
|
|
|
g->zoomrect_erase_needed = TRUE;
|
|
}
|
|
|
|
static void zoomrect_erase(struct gtk_rlc_graph *g)
|
|
{
|
|
/* Just redraw what is in the pixmap buffer */
|
|
graph_pixmap_display(g);
|
|
g->zoomrect_erase_needed = FALSE;
|
|
}
|
|
|
|
|
|
/* Toggle between showing the time starting at 0, or time in capture */
|
|
static void toggle_time_origin(struct gtk_rlc_graph *g)
|
|
{
|
|
g->style.flags ^= TIME_ORIGIN;
|
|
|
|
if ((g->style.flags & TIME_ORIGIN) == TIME_ORIGIN_CAP) {
|
|
g->x_axis->min = g->bounds.x0;
|
|
}
|
|
else {
|
|
g->x_axis->min = 0;
|
|
}
|
|
|
|
/* Redraw the axis */
|
|
axis_display(g->x_axis);
|
|
}
|
|
|
|
static void restore_initial_graph_view(struct gtk_rlc_graph *g)
|
|
{
|
|
g->geom.width = g->wp.width;
|
|
g->geom.height = g->wp.height;
|
|
g->geom.x = g->wp.x;
|
|
g->geom.y = g->wp.y;
|
|
graph_init_sequence(g);
|
|
|
|
/* Set flags so that mouse zoom will zoom in (zooming out is not possible!) */
|
|
g->zoom.flags &= ~ZOOM_OUT;
|
|
|
|
if (g->cross.draw) {
|
|
g->cross.erase_needed = FALSE;
|
|
}
|
|
}
|
|
|
|
/* Walk the segment list, totalling up data PDUs, status ACKs and NACKs */
|
|
static void get_data_control_counts(struct gtk_rlc_graph *g, int *data, int *acks, int *nacks)
|
|
{
|
|
struct rlc_segment *tmp;
|
|
*data = 0;
|
|
*acks = 0;
|
|
*nacks = 0;
|
|
|
|
for (tmp=g->graph.segments; tmp; tmp=tmp->next) {
|
|
if (tmp->isControlPDU) {
|
|
(*acks)++;
|
|
(*nacks) += tmp->noOfNACKs;
|
|
}
|
|
else {
|
|
(*data)++;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Determine "bounds"
|
|
* Essentially: look for lowest/highest time and seq in the list of segments
|
|
* Not currently trying to work out the upper bound of the window, as we
|
|
* don't reliably know the RLC channel state variables...
|
|
*/
|
|
static void graph_get_bounds(struct gtk_rlc_graph *g)
|
|
{
|
|
struct rlc_segment *tmp;
|
|
double tim;
|
|
gboolean data_frame_seen = FALSE;
|
|
double data_tim_low = 0;
|
|
double data_tim_high = 0;
|
|
guint32 data_seq_cur;
|
|
guint32 data_seq_low = 0;
|
|
guint32 data_seq_high = 0;
|
|
gboolean ack_frame_seen = FALSE;
|
|
|
|
double ack_tim_low = 0;
|
|
double ack_tim_high = 0;
|
|
guint32 ack_seq_cur;
|
|
guint32 ack_seq_low = 0;
|
|
guint32 ack_seq_high = 0;
|
|
|
|
/* Go through all segments to determine "bounds" */
|
|
for (tmp=g->graph.segments; tmp; tmp=tmp->next) {
|
|
if (!tmp->isControlPDU) {
|
|
|
|
/* DATA frame */
|
|
tim = tmp->rel_secs + tmp->rel_usecs / 1000000.0;
|
|
data_seq_cur = tmp->SN;
|
|
|
|
/* Want to include a little beyond end, so that cross on last SN
|
|
will (more likely) fit within bounds */
|
|
#define A_FEW_SUBFRAMES 0.005
|
|
|
|
/* Initialise if first time seen */
|
|
if (!data_frame_seen) {
|
|
data_tim_low = tim;
|
|
data_tim_high = tim + A_FEW_SUBFRAMES;
|
|
data_seq_low = data_seq_cur;
|
|
data_seq_high = data_seq_cur+1;
|
|
data_frame_seen = TRUE;
|
|
}
|
|
|
|
/* Update bounds after this frame */
|
|
if (tim < data_tim_low) data_tim_low = tim;
|
|
if (tim+0.02 > data_tim_high) data_tim_high = tim + A_FEW_SUBFRAMES;
|
|
if (data_seq_cur < data_seq_low) data_seq_low = data_seq_cur;
|
|
if (data_seq_cur+1 > data_seq_high) data_seq_high = data_seq_cur+1;
|
|
}
|
|
else {
|
|
|
|
/* STATUS PDU */
|
|
int n;
|
|
guint32 nack_seq_cur;
|
|
|
|
tim = tmp->rel_secs + tmp->rel_usecs / 1000000.0;
|
|
ack_seq_cur = tmp->ACKNo;
|
|
|
|
/* Initialise if first status PDU seen */
|
|
if (!ack_frame_seen) {
|
|
ack_tim_low = ack_tim_high = tim;
|
|
ack_seq_low = ack_seq_cur;
|
|
ack_seq_high = ack_seq_cur;
|
|
ack_frame_seen = TRUE;
|
|
}
|
|
|
|
/* Update bounds after this frame */
|
|
if (tim < ack_tim_low) ack_tim_low = tim;
|
|
if (tim > ack_tim_high) ack_tim_high = tim;
|
|
if (ack_seq_cur < ack_seq_low) ack_seq_low = ack_seq_cur;
|
|
if (ack_seq_cur > ack_seq_high) ack_seq_high = ack_seq_cur;
|
|
|
|
/* Also run through any/all NACKs to see if ack_seq_low/ack_seq_high
|
|
should be extended */
|
|
for (n=0; n < tmp->noOfNACKs; n++) {
|
|
nack_seq_cur = tmp->NACKs[n];
|
|
|
|
if (nack_seq_cur < ack_seq_low) ack_seq_low = nack_seq_cur;
|
|
if (nack_seq_cur > ack_seq_high) ack_seq_high = nack_seq_cur;
|
|
}
|
|
}
|
|
}
|
|
|
|
g->bounds.x0 = (((data_tim_low <= ack_tim_low) && data_frame_seen) || (!ack_frame_seen)) ? data_tim_low : ack_tim_low;
|
|
g->bounds.width = ((((data_tim_high >= ack_tim_high) && data_frame_seen) || (!ack_frame_seen)) ? data_tim_high : ack_tim_high) - g->bounds.x0;
|
|
g->bounds.y0 = 0; /* We always want the overal bounds to go back down to SN=0 */
|
|
g->bounds.height = (((data_seq_high >= ack_seq_high) && data_frame_seen) || (!ack_frame_seen)) ? data_seq_high : ack_seq_high;
|
|
|
|
g->zoom.x = (g->geom.width - 1) / g->bounds.width;
|
|
g->zoom.y = (g->geom.height -1) / g->bounds.height;
|
|
}
|
|
|
|
static void graph_read_config(struct gtk_rlc_graph *g)
|
|
{
|
|
/* Black for PDUs */
|
|
g->style.seq_color.red = (double)0 / 65535.0;
|
|
g->style.seq_color.green = (double)0 / 65535.0;
|
|
g->style.seq_color.blue = (double)0 / 65535.0;
|
|
g->style.seq_color.alpha = 1.0;
|
|
|
|
/* Grey for resegmentations */
|
|
g->style.seq_resegmented_color.red = (double)0x7777 / 65535.0;
|
|
g->style.seq_resegmented_color.green = (double)0x7777 / 65535.0;
|
|
g->style.seq_resegmented_color.blue = (double)0x7777 / 65535.0;
|
|
g->style.seq_resegmented_color.alpha = 1.0;
|
|
|
|
/* Blueish */
|
|
g->style.ack_color[0].red = (double)0x2222 / 65535.0;
|
|
g->style.ack_color[0].green = (double)0x2222 / 65535.0;
|
|
g->style.ack_color[0].blue = (double)0xaaaa / 65535.0;
|
|
g->style.ack_color[0].alpha = 1.0;
|
|
|
|
/* Reddish */
|
|
g->style.ack_color[1].red = (double)0xaaaa / 65535.0;
|
|
g->style.ack_color[1].green = (double)0x2222 / 65535.0;
|
|
g->style.ack_color[1].blue = (double)0x2222 / 65535.0;
|
|
g->style.ack_color[1].alpha = 1.0;
|
|
|
|
/* Time origin should be shown as time in capture by default */
|
|
g->style.flags = TIME_ORIGIN_CAP;
|
|
|
|
g->y_axis->label = (const char ** )g_malloc(3 * sizeof(char * ));
|
|
g->y_axis->label[0] = "Number";
|
|
g->y_axis->label[1] = "Sequence";
|
|
g->y_axis->label[2] = NULL;
|
|
g->x_axis->label = (const char ** )g_malloc(2 * sizeof(char * ));
|
|
g->x_axis->label[0] = "Time[s]";
|
|
g->x_axis->label[1] = NULL;
|
|
}
|
|
|
|
static void rlc_lte_make_elmtlist(struct gtk_rlc_graph *g)
|
|
{
|
|
struct rlc_segment *tmp;
|
|
struct element *elements0, *e0; /* list of elmts showing control */
|
|
struct element *elements1, *e1; /* list of elmts showing data */
|
|
struct rlc_segment *last_status_segment = NULL;
|
|
double xx0, yy0;
|
|
gboolean ack_seen = FALSE;
|
|
guint32 seq_base;
|
|
guint32 seq_cur;
|
|
int n, data, acks, nacks;
|
|
|
|
double previous_status_x = 0.0, previous_status_y = 0.0;
|
|
|
|
debug(DBS_FENTRY) puts("rlc_lte_make_elmtlist()");
|
|
|
|
/* Allocate all needed elements up-front */
|
|
if (g->graph.elists->elements == NULL) {
|
|
get_data_control_counts(g, &data, &acks, &nacks);
|
|
|
|
/* Allocate elements for data */
|
|
n = data + 1;
|
|
e0 = elements0 = (struct element *)g_malloc(n*sizeof(struct element));
|
|
|
|
/* Allocate elements for status */
|
|
n = (2*acks) + (4*nacks) + 2;
|
|
e1 = elements1 = (struct element *)g_malloc(n*sizeof(struct element));
|
|
|
|
/* Allocate container for 2nd list of elements */
|
|
g->graph.elists->next = (struct element_list *)g_malloc0(sizeof(struct element_list));
|
|
|
|
} else {
|
|
e0 = elements0 = g->graph.elists->elements;
|
|
e1 = elements1 = g->graph.elists->next->elements;
|
|
}
|
|
|
|
xx0 = g->bounds.x0;
|
|
yy0 = g->bounds.y0;
|
|
seq_base = (guint32) yy0;
|
|
|
|
for (tmp=g->graph.segments; tmp; tmp=tmp->next) {
|
|
double secs;
|
|
double x, y;
|
|
|
|
/****************************************/
|
|
/* X axis is time, Y is sequence number */
|
|
/****************************************/
|
|
|
|
secs = tmp->rel_secs + (tmp->rel_usecs / 1000000.0);
|
|
x = secs - xx0;
|
|
x *= g->zoom.x;
|
|
|
|
if (!tmp->isControlPDU) {
|
|
|
|
/* DATA */
|
|
|
|
/* seq_cur is SN */
|
|
seq_cur = tmp->SN - seq_base;
|
|
|
|
/* Work out positions around this SN */
|
|
#define DATA_BLOB_SIZE 4
|
|
y = (g->zoom.y * seq_cur);
|
|
|
|
/* Circle for data point */
|
|
e0->type = ELMT_ELLIPSE;
|
|
e0->parent = tmp;
|
|
if (!tmp->isResegmented) {
|
|
e0->elment_color_p = &g->style.seq_color;
|
|
}
|
|
else {
|
|
e0->elment_color_p = &g->style.seq_resegmented_color;
|
|
}
|
|
|
|
e0->p.ellipse.dim.width = DATA_BLOB_SIZE;
|
|
e0->p.ellipse.dim.height = DATA_BLOB_SIZE;
|
|
e0->p.ellipse.dim.x = x;
|
|
e0->p.ellipse.dim.y = y;
|
|
e0++;
|
|
} else {
|
|
|
|
/* Remember the last status segment */
|
|
last_status_segment = tmp;
|
|
|
|
/* -1 so ACK lines up with last data, rather than showing above it... */
|
|
seq_cur = tmp->ACKNo - seq_base - 1;
|
|
|
|
/* Work out positions around this SN */
|
|
y = (g->zoom.y * seq_cur);
|
|
|
|
if (ack_seen) {
|
|
|
|
if (y > previous_status_y) {
|
|
/* Draw from previous ACK point horizontally to this time */
|
|
e1->type = ELMT_LINE;
|
|
e1->parent = tmp;
|
|
e1->elment_color_p = &g->style.ack_color[0];
|
|
e1->p.line.dim.x1 = previous_status_x;
|
|
e1->p.line.dim.y1 = previous_status_y;
|
|
e1->p.line.dim.x2 = x;
|
|
e1->p.line.dim.y2 = previous_status_y;
|
|
e1++;
|
|
|
|
/* Now draw up to current ACK */
|
|
e1->type = ELMT_LINE;
|
|
e1->parent = tmp;
|
|
e1->elment_color_p = &g->style.ack_color[0];
|
|
e1->p.line.dim.x1 = x;
|
|
e1->p.line.dim.y1 = previous_status_y;
|
|
e1->p.line.dim.x2 = x;
|
|
e1->p.line.dim.y2 = y;
|
|
e1++;
|
|
}
|
|
else {
|
|
/* Want to go down, then along in this case... */
|
|
e1->type = ELMT_LINE;
|
|
e1->parent = tmp;
|
|
e1->elment_color_p = &g->style.ack_color[0];
|
|
e1->p.line.dim.x1 = previous_status_x;
|
|
e1->p.line.dim.y1 = previous_status_y;
|
|
e1->p.line.dim.x2 = previous_status_x;
|
|
e1->p.line.dim.y2 = y;
|
|
e1++;
|
|
|
|
/* Now draw up to current ACK */
|
|
e1->type = ELMT_LINE;
|
|
e1->parent = tmp;
|
|
e1->elment_color_p = &g->style.ack_color[0];
|
|
e1->p.line.dim.x1 = previous_status_x;
|
|
e1->p.line.dim.y1 = y;
|
|
e1->p.line.dim.x2 = x;
|
|
e1->p.line.dim.y2 = y;
|
|
e1++;
|
|
}
|
|
}
|
|
|
|
if (tmp->noOfNACKs > 0) {
|
|
for (n=0; n < tmp->noOfNACKs; n++) {
|
|
double nack_y = (g->zoom.y * tmp->NACKs[n]);
|
|
|
|
/* A red cross to show where the NACK is reported */
|
|
#define NACK_CROSS_SIZE 3
|
|
e1->type = ELMT_LINE;
|
|
e1->parent = tmp;
|
|
e1->elment_color_p = &g->style.ack_color[1];
|
|
e1->p.line.dim.x1 = x -NACK_CROSS_SIZE;
|
|
e1->p.line.dim.y1 = nack_y - NACK_CROSS_SIZE;
|
|
e1->p.line.dim.x2 = x + NACK_CROSS_SIZE;
|
|
e1->p.line.dim.y2 = nack_y + NACK_CROSS_SIZE;
|
|
e1++;
|
|
|
|
e1->type = ELMT_LINE;
|
|
e1->parent = tmp;
|
|
e1->elment_color_p = &g->style.ack_color[1];
|
|
e1->p.line.dim.x1 = x - NACK_CROSS_SIZE;
|
|
e1->p.line.dim.y1 = nack_y + NACK_CROSS_SIZE;
|
|
e1->p.line.dim.x2 = x + NACK_CROSS_SIZE;
|
|
e1->p.line.dim.y2 = nack_y - NACK_CROSS_SIZE;
|
|
e1++;
|
|
|
|
e1->type = ELMT_LINE;
|
|
e1->parent = tmp;
|
|
e1->elment_color_p = &g->style.ack_color[1];
|
|
e1->p.line.dim.x1 = x;
|
|
e1->p.line.dim.y1 = nack_y + NACK_CROSS_SIZE;
|
|
e1->p.line.dim.x2 = x;
|
|
e1->p.line.dim.y2 = nack_y - NACK_CROSS_SIZE;
|
|
e1++;
|
|
|
|
e1->type = ELMT_LINE;
|
|
e1->parent = tmp;
|
|
e1->elment_color_p = &g->style.ack_color[1];
|
|
e1->p.line.dim.x1 = x - NACK_CROSS_SIZE;
|
|
e1->p.line.dim.y1 = nack_y;
|
|
e1->p.line.dim.x2 = x + NACK_CROSS_SIZE;
|
|
e1->p.line.dim.y2 = nack_y;
|
|
e1++;
|
|
}
|
|
}
|
|
|
|
ack_seen = TRUE;
|
|
|
|
previous_status_x = x;
|
|
previous_status_y = y;
|
|
}
|
|
}
|
|
|
|
if (ack_seen) {
|
|
/* Add one more line for status, from the last PDU -> rhs of graph */
|
|
e1->type = ELMT_LINE;
|
|
e1->parent = last_status_segment;
|
|
e1->elment_color_p = &g->style.ack_color[0];
|
|
e1->p.line.dim.x1 = previous_status_x;
|
|
e1->p.line.dim.y1 = previous_status_y;
|
|
e1->p.line.dim.x2 = g->bounds.width * g->zoom.x; /* right edge of graph area */
|
|
e1->p.line.dim.y2 = previous_status_y;
|
|
e1++;
|
|
}
|
|
|
|
/* Complete both element lists */
|
|
e0->type = ELMT_NONE;
|
|
e1->type = ELMT_NONE;
|
|
g->graph.elists->elements = elements0;
|
|
g->graph.elists->next->elements = elements1;
|
|
}
|
|
|
|
#if defined(_WIN32) && !defined(__MINGW32__) && (_MSC_VER < 1800)
|
|
/* Starting VS2013, rint already defined in math.h. N o need to redefine */
|
|
/* replacement of Unix rint() for Windows */
|
|
static int rint(double x)
|
|
{
|
|
char *buf;
|
|
int i,dec,sig;
|
|
|
|
buf = _fcvt(x, 0, &dec, &sig);
|
|
i = atoi(buf);
|
|
if (sig == 1) {
|
|
i = i * -1;
|
|
}
|
|
return i;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|