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authorDave Barach <dave@barachs.net>2016-02-11 19:28:19 -0500
committerGerrit Code Review <gerrit@fd.io>2016-02-12 01:30:48 +0000
commit52642c3c535128cb96489fed45327bdd55953397 (patch)
treece6e2cc9f505fbf04acbc9109adb4c204fb96c8c /g2/view1.c
parent3640d537e1c1ea7670b98f0aaf27a48c08984893 (diff)
Performance tools, initial check-in
Change-Id: I9fb4f4babecbe02d171f38c4d089634e90141937 Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'g2/view1.c')
-rw-r--r--g2/view1.c3077
1 files changed, 3077 insertions, 0 deletions
diff --git a/g2/view1.c b/g2/view1.c
new file mode 100644
index 00000000000..ec394cc3d53
--- /dev/null
+++ b/g2/view1.c
@@ -0,0 +1,3077 @@
+/*
+ *------------------------------------------------------------------
+ * Copyright (c) 2005-2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
+#include "g2.h"
+#include <time.h>
+#include <string.h>
+#include <vppinfra/format.h>
+#include <vppinfra/elog.h>
+
+/*
+ * The main event display view.
+ *
+ * Important variables:
+ *
+ * "da" -- the drawing area, aka the screen representation of the
+ * event view.
+ *
+ * "pm" -- the backing pixmap for the drawing area. Note that
+ * all graphics operations target this backing
+ * store, then call gtk_widget_draw to copy a rectangle from
+ * the backing store onto the screen.
+ *
+ * "s_v1" -- pointer to the current v1_geometry_t object.
+ *
+ * Box heirarchy:
+ * s_view1_vbox
+ * s_view1_hbox
+ * da s_view1_vmenubox
+ * s_view1_topbutton("Top")
+ * s_view1_vscroll (vertical scrollbar)
+ * s_view1_bottombutton("Bottom")
+ * s_view1_hmenubox
+ * s_view1_startbutton("Start");
+ * s_view1_hscroll(horizontal scrollbar)
+ * s_view1_endbutton("End")
+ * s_view1_zoominbutton("Zoomin")
+ * s_view1_searchbutton("Search")
+ * s_view1_searchagainbutton("Search Again")
+ * s_view1_zoomoutbutton("Zoomout")
+ * s_view1_label
+ */
+
+/*
+ * Globals
+ */
+
+GdkFont *g_font; /* a fixed-width font to use */
+GdkColor fg_black = {0, 0, 0, 0};
+GdkColor bg_white = {0, 65535, 65535, 65535};
+static boolean summary_mode = TRUE; /* start out in summary mode */
+static boolean color_mode = FALSE; /* start out in color mode */
+
+/*
+ * Locals
+ */
+
+/*
+ * user_data values passed to view1_button_click_callback,
+ * which is used by the various action buttons noted above
+ */
+enum view1_button_click {
+ TOP_BUTTON=1,
+ BOTTOM_BUTTON,
+ START_BUTTON,
+ ZOOMIN_BUTTON,
+ SEARCH_BUTTON,
+ SEARCH_AGAIN_BUTTON,
+ ZOOMOUT_BUTTON,
+ END_BUTTON,
+ MORE_TRACES_BUTTON,
+ LESS_TRACES_BUTTON,
+ SNAP_BUTTON,
+ NEXT_BUTTON,
+ DEL_BUTTON,
+ CHASE_EVENT_BUTTON,
+ CHASE_DATUM_BUTTON,
+ CHASE_TRACK_BUTTON,
+ UNCHASE_BUTTON,
+ FORWARD_BUTTON,
+ BACKWARD_BUTTON,
+ SUMMARY_BUTTON,
+ NOSUMMARY_BUTTON,
+};
+
+enum chase_mode {
+ CHASE_EVENT=1,
+ CHASE_DATUM,
+ CHASE_TRACK,
+};
+
+enum sc_dir {
+ SRCH_CHASE_FORWARD = 0,
+ SRCH_CHASE_BACKWARD = 1,
+};
+
+static GtkWidget *s_view1_hbox; /* see box heirarchy chart */
+static GtkWidget *s_view1_vbox; /* see box heirarchy chart */
+static GtkWidget *da; /* main drawing area */
+static GdkPixmap *pm; /* and its backing pixmap */
+static GdkCursor *norm_cursor; /* the "normal" cursor */
+
+/*
+ * view geometry parameters
+ *
+ * Remember:
+ * Y increases down the page.
+ * Strip origin is at the top
+ * Payday is Friday
+ * Don't put your fingers in your mouth.
+ *
+ * Most of these values are in pixels
+ */
+
+typedef struct v1_geometry {
+ int pid_ax_width; /* Width of the PID axis */
+ int time_ax_height; /* Height of the time axis */
+ int time_ax_spacing; /* TimeAxis: Space between tick-marks */
+ int strip_height; /* Height of a regular PID trace */
+ int pop_offset; /* Vertical offset of the detail box */
+ int pid_ax_offset; /* Vertical offset of the PID axis */
+ int event_offset; /* Vertical offset of the event boxes */
+ int total_height; /* total height of da, see configure_event */
+ int total_width; /* ditto, for width */
+
+ /* Derived values */
+ int first_pid_index; /* Index of first displayed PID */
+ int npids; /* Max number of displayed pids */
+ ulonglong minvistime; /* in usec */
+ ulonglong maxvistime; /* in usec */
+} v1_geometry_t;
+
+
+/* The active geometry object */
+static v1_geometry_t s_v1record;
+static v1_geometry_t *s_v1 = &s_v1record;
+
+/* The color array */
+static GdkColor *s_color;
+
+/* Snapshot ring */
+typedef struct snapshot {
+ struct snapshot *next;
+ /* Screen geometry */
+ v1_geometry_t geometry;
+ boolean show_event[NEVENTS];
+ pid_sort_t *pidvec;
+ /*
+ * Note: not worth recomputing the vertical scrollbar, just save
+ * its value here
+ */
+ gfloat vscroll_value;
+ boolean summary_mode;
+ boolean color_mode;
+} snapshot_t;
+
+static snapshot_t *s_snapshots;
+static snapshot_t *s_cursnap;
+static event_t *s_last_selected_event;
+
+/*
+ * various widgets, see the box heirarchy chart above
+ * The toolkit keeps track of these things, we could lose many of
+ * these pointers.
+ */
+static GtkWidget *s_view1_vmenubox;
+static GtkWidget *s_view1_topbutton;
+static GtkWidget *s_view1_bottombutton;
+static GtkWidget *s_view1_more_traces_button;
+static GtkWidget *s_view1_less_traces_button;
+
+static GtkWidget *s_view1_hmenubox;
+static GtkWidget *s_view1_hmenubox2;
+static GtkWidget *s_view1_startbutton;
+static GtkWidget *s_view1_zoominbutton;
+static GtkWidget *s_view1_searchbutton;
+static GtkWidget *s_view1_srchagainbutton;
+static GtkWidget *s_view1_zoomoutbutton;
+static GtkWidget *s_view1_endbutton;
+
+static GtkWidget *s_view1_snapbutton;
+static GtkWidget *s_view1_nextbutton;
+static GtkWidget *s_view1_delbutton;
+
+static GtkWidget *s_view1_chase_event_button;
+static GtkWidget *s_view1_chase_datum_button;
+static GtkWidget *s_view1_chase_track_button;
+static GtkWidget *s_view1_unchasebutton;
+
+static GtkWidget *s_view1_forward_button;
+static GtkWidget *s_view1_backward_button;
+
+static GtkWidget *s_view1_summary_button;
+static GtkWidget *s_view1_nosummary_button;
+
+static GtkWidget *s_view1_hscroll;
+static GtkObject *s_view1_hsadj;
+
+static GtkWidget *s_view1_vscroll;
+static GtkObject *s_view1_vsadj;
+
+static GtkWidget *s_view1_label;
+
+/*
+ * Search context
+ */
+static ulong s_srchcode; /* search event code */
+static int s_srchindex; /* last hit was at this event index */
+static boolean s_result_up; /* The SEARCH RESULT dongle is displayed */
+static boolean s_srchfail_up; /* The status line "Search Failed" is up */
+static int srch_chase_dir; /* search/chase dir, 0=>forward */
+
+
+/*
+ * Print context
+ */
+static int s_print_offset; /* Magic offset added to line, tbox fn codes */
+static FILE *s_printfp;
+
+/*
+ * Forward reference prototypes
+ */
+static void display_pid_axis(v1_geometry_t *vp);
+static void display_event_data(v1_geometry_t *vp);
+static void display_time_axis(v1_geometry_t *vp);
+static void view1_button_click_callback(GtkButton *item, gpointer data);
+
+/*
+ * config params
+ */
+
+gint c_view1_draw_width;
+gint c_view1_draw_height;
+
+/*
+ * Zoom-In / Time Ruler cursor
+ */
+
+#define zi_width 32
+#define zi_height 32
+#define zi_x_hot 22
+#define zi_y_hot 14
+static unsigned char zi_bits[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00,
+ 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00,
+ 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00,
+ 0x00, 0x00, 0x82, 0x00, 0x00, 0x00, 0x84, 0x00, 0x00, 0x00, 0x88, 0x00,
+ 0x00, 0x00, 0x90, 0x00, 0x00, 0x00, 0xa0, 0x00, 0x00, 0x00, 0xc0, 0x00,
+ 0x00, 0xfc, 0xff, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 0xa0, 0x00,
+ 0x00, 0x00, 0x90, 0x00, 0x00, 0x00, 0x88, 0x00, 0x00, 0x00, 0x84, 0x00,
+ 0x00, 0x00, 0x82, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00,
+ 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00,
+ 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+
+static unsigned char zi_bkgd[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00,
+ 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00,
+ 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00,
+ 0x00, 0x00, 0x82, 0x00, 0x00, 0x00, 0x84, 0x00, 0x00, 0x00, 0x88, 0x00,
+ 0x00, 0x00, 0x90, 0x00, 0x00, 0x00, 0xa0, 0x00, 0x00, 0x00, 0xc0, 0x00,
+ 0x00, 0xfc, 0xff, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 0xa0, 0x00,
+ 0x00, 0x00, 0x90, 0x00, 0x00, 0x00, 0x88, 0x00, 0x00, 0x00, 0x84, 0x00,
+ 0x00, 0x00, 0x82, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00,
+ 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00,
+ 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+
+static GdkCursor *zi_cursor;
+static GdkPixmap *zi_source, *zi_mask;
+
+/*
+ * Frequently-used small computations, best
+ * done correctly once and instantiated.
+ */
+
+/****************************************************************************
+* dtime_per_pixel
+****************************************************************************/
+
+static inline double dtime_per_pixel(v1_geometry_t *vp)
+{
+ return ((double)(vp->maxvistime - vp->minvistime)) /
+ ((double)(vp->total_width - vp->pid_ax_width));
+}
+
+/****************************************************************************
+* message_line
+* Changes the status line. Pass "" to clear the status line.
+****************************************************************************/
+
+void message_line (char *s)
+{
+ gtk_label_set_text (GTK_LABEL(s_view1_label), s);
+}
+
+/****************************************************************************
+* set_window_title
+* Changes the window title to include the specified filename.
+****************************************************************************/
+
+void set_window_title (const char *filename)
+{
+ char title[128];
+ snprintf(title, sizeof(title), "g2 (%s)", filename);
+ gtk_window_set_title(GTK_WINDOW(g_mainwindow), title);
+}
+
+/****************************************************************************
+* recompute_hscrollbar
+* Adjust the horizontal scrollbar's adjustment object.
+*
+* GtkAdjustments are really cool, but have to be set up exactly
+* right or the various client objects screw up completely.
+*
+* Note: this function is *not* called when the user clicks the scrollbar.
+****************************************************************************/
+
+static void recompute_hscrollbar (void)
+{
+ ulonglong current_width;
+ ulonglong event_incdec;
+ GtkAdjustment *adj;
+ event_t *ep;
+
+ if (g_nevents == 0)
+ return;
+
+ ep = (g_events + (g_nevents-1));
+ current_width = s_v1->maxvistime - s_v1->minvistime;
+ event_incdec = (current_width) / 6;
+
+ adj = GTK_ADJUSTMENT(s_view1_hsadj);
+
+ /*
+ * Structure member decoder ring
+ * -----------------------------
+ * lower the minimum possible value
+ * value the current value
+ * upper the maximum possible value
+ * step_increment end button click increment
+ * page_increment click in trough increment
+ * page_size size of currently visible area
+ */
+
+ adj->lower = (gfloat)0.00;
+ adj->value = (gfloat)s_v1->minvistime;
+
+ /* Minor click: move about 1/6 of a page */
+ adj->step_increment = (gfloat)event_incdec;
+
+ /* Major click: move about 1/3 of a page. */
+ adj->page_increment = (gfloat)(2*event_incdec);
+
+ /* allow the user to go a bit past the end */
+ adj->upper = adj->page_increment/3 + (gfloat)(ep->time);
+ adj->page_size = (gfloat)(current_width);
+
+ /*
+ * Tell all clients (e.g. the visible scrollbar) to
+ * make themselves look right
+ */
+ gtk_adjustment_changed(adj);
+ gtk_adjustment_value_changed(adj);
+}
+
+/****************************************************************************
+* recompute_vscrollbar
+* Ditto, for the vertical scrollbar
+****************************************************************************/
+
+static void recompute_vscrollbar (void)
+{
+ GtkAdjustment *adj;
+
+ adj = GTK_ADJUSTMENT(s_view1_vsadj);
+
+ adj->lower = (gfloat)0.00;
+ adj->upper = (gfloat)g_npids;
+ adj->value = (gfloat)0.00;
+ adj->step_increment = 1.00;
+ adj->page_increment = (gfloat)(s_v1->npids / 3);
+ adj->page_size = (gfloat)s_v1->npids;
+ gtk_adjustment_changed(adj);
+ gtk_adjustment_value_changed(adj);
+}
+
+/****************************************************************************
+* format_popbox_string
+****************************************************************************/
+
+elog_main_t elog_main;
+
+void format_popbox_string (char *tmpbuf, int len, event_t *ep, event_def_t *edp)
+{
+ char *fp;
+
+#ifdef NOTDEF
+ sprintf(tmpbuf,"%d:", ep->code);
+#endif
+ if (ep->flags & EVENT_FLAG_CLIB) {
+ elog_event_t *eep;
+ u8 *s;
+
+ eep = get_clib_event (ep->datum);
+
+ s = format (0, "%U", format_elog_event, &elog_main, eep);
+ memcpy (tmpbuf, s, vec_len(s));
+ tmpbuf[vec_len(s)] = 0;
+ vec_free(s);
+ return;
+ }
+
+ snprintf(tmpbuf, len, "%s", edp->name);
+ fp = edp->format;
+ /* Make sure there's a real format string. If so, add it */
+ while (fp && *fp) {
+ if (*fp != ' ') {
+ snprintf(tmpbuf+strlen(tmpbuf), len - strlen(tmpbuf), ": ");
+ /* %s only supported for cpel files */
+ if (fp[1] == 's') {
+ snprintf(tmpbuf+strlen(tmpbuf), len - strlen(tmpbuf),
+ edp->format, strtab_ref(ep->datum));
+ } else {
+ snprintf(tmpbuf+strlen(tmpbuf), len - strlen(tmpbuf),
+ edp->format, ep->datum);
+ }
+ return;
+ }
+ fp++;
+ }
+}
+
+/****************************************************************************
+ * add_snapshot
+ ****************************************************************************/
+
+static void add_snapshot(void)
+{
+ int i;
+ snapshot_t *new = g_malloc(sizeof(snapshot_t));
+
+ memcpy(&new->geometry, s_v1, sizeof(new->geometry));
+ for (i = 0; i < NEVENTS; i++) {
+ new->show_event[i] = g_eventdefs[i].selected;
+ }
+ new->pidvec = g_malloc(sizeof(pid_sort_t)*g_npids);
+ memcpy(new->pidvec, g_pids, sizeof(pid_sort_t)*g_npids);
+ new->vscroll_value = GTK_ADJUSTMENT(s_view1_vsadj)->value;
+ new->summary_mode = summary_mode;
+ new->color_mode = color_mode;
+
+ if (s_snapshots) {
+ new->next = s_snapshots;
+ s_snapshots = new;
+ } else {
+ new->next = 0;
+ s_snapshots = new;
+ }
+ s_cursnap = new;
+}
+
+/****************************************************************************
+ * next_snapshot
+ ****************************************************************************/
+
+static void next_snapshot(void)
+{
+ snapshot_t *next;
+ int i;
+ pid_sort_t *psp;
+ pid_data_t *pp;
+
+ if (!s_snapshots) {
+ infobox("No snapshots", "\nNo snapshots in the ring...\n");
+ return;
+ }
+
+ next = s_cursnap->next;
+ if (next == 0)
+ next = s_snapshots;
+
+ s_cursnap = next;
+
+ memcpy(s_v1, &next->geometry, sizeof(next->geometry));
+ for (i = 0; i < NEVENTS; i++) {
+ g_eventdefs[i].selected = next->show_event[i];
+ }
+ memcpy(g_pids, next->pidvec, sizeof(pid_sort_t)*g_npids);
+ color_mode = next->color_mode;
+ /*
+ * Update summary mode via a button push so that the button state is
+ * updated accordingly. (Should ideally clean up the view/controller
+ * separation properly one day.)
+ */
+ if (summary_mode != next->summary_mode) {
+ view1_button_click_callback
+ (NULL, (gpointer)(unsigned long long)
+ (summary_mode ? NOSUMMARY_BUTTON : SUMMARY_BUTTON));
+ }
+
+ /* Fix the pid structure index mappings */
+ psp = g_pids;
+
+ for (i = 0; i < g_npids; i++) {
+ pp = psp->pid;
+ pp->pid_index = i;
+ psp++;
+ }
+ GTK_ADJUSTMENT(s_view1_vsadj)->value = next->vscroll_value;
+ gtk_adjustment_value_changed(GTK_ADJUSTMENT(s_view1_vsadj));
+ recompute_hscrollbar();
+ pointsel_next_snapshot();
+ view1_display_when_idle();
+}
+
+
+/****************************************************************************
+ * del_snapshot
+ ****************************************************************************/
+
+static void del_snapshot(void)
+{
+ snapshot_t *prev;
+ snapshot_t *this;
+
+ if (!s_snapshots) {
+ infobox("No snapshots", "\nNo snapshots to delete...\n");
+ return;
+ }
+
+ prev = NULL;
+ this = s_snapshots;
+
+ while (this && this != s_cursnap) {
+ prev = this;
+ this = this->next;
+ }
+
+ if (this != s_cursnap) {
+ infobox("BUG", "\nSnapshot AWOL!\n");
+ return;
+ }
+
+ s_cursnap = this->next;
+
+ /* middle of the list? */
+ if (prev) {
+ prev->next = this->next;
+ g_free(this->pidvec);
+ g_free(this);
+ } else { /* start of the list */
+ s_snapshots = this->next;
+ g_free(this->pidvec);
+ g_free(this);
+ }
+
+ /* Note: both will be NULL after last delete */
+ if (s_cursnap == NULL)
+ s_cursnap = s_snapshots;
+}
+
+/****************************************************************************
+ * write_snapshot
+ *
+ * VERY primitive right now - not endian or version independent, and only
+ * writes to "snapshots.g2" in the current directory
+ ****************************************************************************/
+static void write_snapshot(void)
+{
+ FILE *file = NULL;
+ snapshot_t *snap;
+ char *error = NULL;
+ int records = 0;
+
+ if (s_snapshots == NULL) {
+ error = "No snapshots defined";
+ errno = 0;
+ }
+
+ if (!error) {
+ file = fopen("snapshots.g2", "w");
+ if (file == NULL) {
+ error = "Unable to open snapshots.g2";
+ }
+ }
+
+ /*
+ * Simply serialize the arch-dependent binary data, without a care in the
+ * world. Don't come running to me if you try to read it and crash.
+ */
+ for (snap = s_snapshots; !error && snap != NULL; snap = snap->next) {
+ if (fwrite(&snap->geometry,
+ sizeof(snap->geometry), 1, file) != 1 ||
+ fwrite(&snap->show_event,
+ sizeof(snap->show_event), 1, file) != 1 ||
+ fwrite(snap->pidvec,
+ sizeof(pid_sort_t) * g_npids, 1, file) != 1 ||
+ fwrite(&snap->vscroll_value,
+ sizeof(snap->vscroll_value), 1, file) != 1 ||
+ fwrite(&snap->summary_mode,
+ sizeof(snap->summary_mode), 1, file) != 1 ||
+ fwrite(&snap->color_mode,
+ sizeof(snap->color_mode), 1, file) != 1) {
+ error = "Error writing data";
+ }
+ records++;
+ }
+
+ if (!error) {
+ if (fclose(file)) {
+ error = "Unable to close file";
+ }
+ }
+
+ if (error) {
+ infobox(error, strerror(errno));
+ } else {
+ char buf[64];
+ snprintf(buf, sizeof(buf), "Wrote %d snapshots to snapshots.g2",
+ records);
+ message_line(buf);
+ }
+}
+
+/****************************************************************************
+ * read_snapshot
+ *
+ * VERY primitive right now - not endian or version independent, and only reads
+ * from "snapshots.g2" in the current directory
+ ****************************************************************************/
+static void read_snapshot(void)
+{
+ FILE *file;
+ snapshot_t *snap, *next_snap;
+ snapshot_t *new_snaps = NULL;
+ char *error = NULL;
+ int len, i, records = 0;
+ pid_data_t *pp;
+
+ file = fopen("snapshots.g2", "r");
+ if (file == NULL) {
+ error = "Unable to open snapshots.g2";
+ }
+
+ /*
+ * Read in the snapshots and link them together. We insert them backwards,
+ * but that's tolerable. If the data is in anyway not what we expect, we'll
+ * probably crash. Sorry.
+ */
+ while (!error && !feof(file)) {
+ snap = g_malloc(sizeof(*snap));
+ snap->pidvec = NULL; /* so we can free this if there's an error */
+
+ len = fread(&snap->geometry, sizeof(snap->geometry), 1, file);
+ if (len == 0) {
+ /* EOF */
+ g_free(snap);
+ break;
+ } else {
+ /* insert into list straight away */
+ snap->next = new_snaps;
+ new_snaps = snap;
+ }
+ if (len != 1) {
+ error = "Problem reading first item from file";
+ break;
+ }
+ if (fread(&snap->show_event, sizeof(snap->show_event), 1, file) != 1) {
+ error = "Problem reading second item from file";
+ break;
+ }
+ len = sizeof(pid_sort_t) * g_npids;
+ snap->pidvec = g_malloc(len);
+ if (fread(snap->pidvec, len, 1, file) != 1) {
+ error = "Problem reading third item from file";
+ break;
+ }
+ if (fread(&snap->vscroll_value,
+ sizeof(snap->vscroll_value), 1, file) != 1 ||
+ fread(&snap->summary_mode,
+ sizeof(snap->summary_mode), 1, file) != 1 ||
+ fread(&snap->color_mode,
+ sizeof(snap->color_mode), 1, file) != 1) {
+ error = "Problem reading final items from file";
+ break;
+ }
+
+ /*
+ * Fix up the pointers from the sorted pid vector back into our pid
+ * data objects, by walking the linked list of pid_data_t objects for
+ * every one looking for a match. This is O(n^2) grossness, but in real
+ * life there aren't that many pids, and it seems zippy enough.
+ */
+ for (i = 0; i < g_npids; i++) {
+ for (pp = g_pid_data_list; pp != NULL; pp = pp->next) {
+ if (pp->pid_value == snap->pidvec[i].pid_value) {
+ break;
+ }
+ }
+ if (pp != NULL) {
+ snap->pidvec[i].pid = pp;
+ } else {
+ error = "Snapshot file referenced unknown pids";
+ break;
+ }
+ }
+
+ records++;
+ }
+
+ if (!error) {
+ if (fclose(file)) {
+ error = "Unable to close file";
+ }
+ }
+
+ if (error) {
+ /*
+ * Problem - clear up any detritus
+ */
+ infobox(error, strerror(errno));
+ for (snap = new_snaps; snap != NULL; snap = next_snap) {
+ next_snap = snap->next;
+ g_free(snap);
+ g_free(snap->pidvec);
+ }
+ } else {
+ /*
+ * Success! trash the old snapshots and replace with the new
+ */
+ for (snap = s_snapshots; snap != NULL; snap = next_snap) {
+ next_snap = snap->next;
+ g_free(snap->pidvec);
+ g_free(snap);
+ }
+
+ s_cursnap = s_snapshots = new_snaps;
+ }
+
+ if (error) {
+ infobox(error, strerror(errno));
+ } else {
+ char buf[64];
+ snprintf(buf, sizeof(buf),
+ "Read %d snapshots from snapshots.g2", records);
+ message_line(buf);
+ }
+}
+
+/****************************************************************************
+* set_color
+*
+* Set the color for the specified pid_index, or COLOR_DEFAULT to return it
+* to the usual black.
+****************************************************************************/
+#define COLOR_DEFAULT (-1)
+static void set_color(int pid_index)
+{
+ if (pid_index == COLOR_DEFAULT || !color_mode) {
+ gdk_gc_set_foreground(da->style->black_gc, &fg_black);
+ } else {
+ gdk_gc_set_foreground(da->style->black_gc,
+ &s_color[g_pids[pid_index].color_index]);
+ }
+}
+
+/****************************************************************************
+* toggle_event_select
+****************************************************************************/
+
+static void toggle_event_select(GdkEventButton *event, v1_geometry_t *vp)
+{
+ int pid_index, start_index;
+ int x, y;
+ GdkRectangle *rp;
+ GdkRectangle hit_rect;
+ GdkRectangle dummy;
+ event_t *ep;
+ event_def_t *edp;
+ char tmpbuf [1024];
+ double time_per_pixel;
+
+ if (g_nevents == 0)
+ return;
+
+ time_per_pixel = dtime_per_pixel(vp);
+
+ start_index = find_event_index (vp->minvistime);
+
+ /* Too far right? */
+ if (start_index >= g_nevents)
+ return;
+
+ /*
+ * To see if the mouse hit a visible event, use a variant
+ * of the event display loop.
+ */
+
+ hit_rect.x = (int)event->x;
+ hit_rect.y = (int)event->y;
+ hit_rect.width = 1;
+ hit_rect.height = 1;
+
+ ep = (g_events + start_index);
+
+ while ((ep->time < vp->maxvistime) &&
+ (ep < (g_events + g_nevents))) {
+ pid_index = ep->pid->pid_index;
+
+ /* First filter: pid out of range */
+ if ((pid_index < vp->first_pid_index) ||
+ (pid_index >= vp->first_pid_index + vp->npids)) {
+ ep++;
+ continue;
+ }
+
+ /* Second filter: event hidden */
+ edp = find_event_definition (ep->code);
+ if (!edp->selected) {
+ ep++;
+ continue;
+ }
+
+ /*
+ * At this point, we know that the point is at least on the
+ * screen. See if the mouse hit within the bounding box
+ */
+
+ /*
+ * $$$$ maybe keep looping until off the edge,
+ * maintain a "best hit", then declare that one the winner?
+ */
+
+ pid_index -= vp->first_pid_index;
+
+ y = pid_index*vp->strip_height + vp->event_offset;
+
+ x = vp->pid_ax_width +
+ (int)(((double)(ep->time - vp->minvistime)) / time_per_pixel);
+
+ /* Perhaps we're trying to toggle the detail box? */
+ if (ep->flags & EVENT_FLAG_SELECT) {
+ /* Figure out the dimensions of the detail box */
+ format_popbox_string(tmpbuf, sizeof(tmpbuf), ep, edp);
+ rp = tbox(tmpbuf, x, y - vp->pop_offset, TBOX_GETRECT_BOXED);
+ if (gdk_rectangle_intersect(rp, &hit_rect, &dummy)) {
+ ep->flags &= ~EVENT_FLAG_SELECT;
+ view1_display_when_idle();
+ break;
+ }
+ }
+
+ sprintf(tmpbuf, "%ld", ep->code);
+
+ /* Figure out the dimensions of the regular box */
+ rp = tbox(tmpbuf, x, y, TBOX_GETRECT_EVENT);
+
+ if (gdk_rectangle_intersect(rp, &hit_rect, &dummy)) {
+ /* we hit the rectangle. */
+ if (ep->flags & EVENT_FLAG_SELECT) {
+ ep->flags &= ~EVENT_FLAG_SELECT;
+ view1_display_when_idle();
+ break;
+ } else {
+ set_color(ep->pid->pid_index);
+
+ /* It wasn't selected, so put up the detail box */
+ format_popbox_string(tmpbuf, sizeof(tmpbuf), ep, edp);
+ tbox(tmpbuf, x, y - vp->pop_offset, TBOX_DRAW_BOXED);
+ line(x, y-vp->pop_offset, x, y, LINE_DRAW_BLACK);
+ ep->flags |= EVENT_FLAG_SELECT;
+ ep->flags &= ~EVENT_FLAG_SEARCHRSLT;
+ s_last_selected_event = ep;
+ }
+ break;
+ }
+ ep++;
+ }
+}
+
+/****************************************************************************
+* move_current_track
+****************************************************************************/
+
+typedef enum { MOVE_TOP, MOVE_BOTTOM } move_type;
+
+static void move_current_track(GdkEventButton *event,
+ v1_geometry_t *vp,
+ move_type type)
+{
+ int i;
+ int pid_index;
+ int y, delta_y;
+ pid_sort_t *new_pidvec;
+ pid_sort_t *psp;
+ pid_sort_t *pold, *pnew;
+ pid_data_t *pp;
+
+ if (g_nevents == 0)
+ return;
+
+ /* Scan pid/track axis locations, looking for a match */
+ for (i = 0; i < vp->npids; i++) {
+ y = i*vp->strip_height + vp->pid_ax_offset;
+ delta_y = y - event->y;
+ if (delta_y < 0)
+ delta_y = -delta_y;
+ if (delta_y < 10) {
+ goto found;
+ }
+
+ }
+ infobox("NOTE", "\nNo PID/Track In Range\nPlease Try Again");
+ return;
+
+ found:
+ pid_index = i + vp->first_pid_index;
+
+ new_pidvec = g_malloc(sizeof(pid_sort_t)*g_npids);
+ pold = g_pids;
+ pnew = new_pidvec;
+
+ if (type == MOVE_TOP) {
+ /* move to top */
+ *pnew++ = g_pids[pid_index];
+ for (i = 0; i < pid_index; i++)
+ *pnew++ = *pold++;
+ pold++;
+ i++;
+ for (; i < g_npids; i++)
+ *pnew++ = *pold++;
+ } else {
+ /* move to bottom */
+ for (i = 0; i < pid_index; i++)
+ *pnew++ = *pold++;
+ pold++;
+ i++;
+ for (; i < g_npids; i++)
+ *pnew++ = *pold++;
+ *pnew = g_pids[pid_index];
+ }
+
+ g_free(g_pids);
+ g_pids = new_pidvec;
+
+ /*
+ * Revert the pid_index mapping to an identity map,
+ */
+ psp = g_pids;
+
+ for (i = 0; i < g_npids; i++) {
+ pp = psp->pid;
+ pp->pid_index = i;
+ psp++;
+ }
+ view1_display_when_idle();
+}
+
+/****************************************************************************
+* zoom_event
+* Process a zoom gesture. The use of doubles is required to avoid
+* truncating the various variable values, which in turn would lead to
+* some pretty random-looking zoom responses.
+****************************************************************************/
+
+void zoom_event(GdkEventButton *e1, GdkEventButton *e2, v1_geometry_t *vp)
+{
+ double xrange;
+ double time_per_pixel;
+ double width_in_pixels;
+ double center_on_time, width_in_time;
+ double center_on_pixel;
+
+ /*
+ * Clip the zoom area to the event display area.
+ * Otherwise, center_on_time - width_in_time is in hyperspace
+ * to the left of zero
+ */
+
+ if (e1->x < vp->pid_ax_width)
+ e1->x = vp->pid_ax_width;
+
+ if (e2->x < vp->pid_ax_width)
+ e2->x = vp->pid_ax_width;
+
+ if (e2->x == e1->x)
+ goto loser_zoom_repaint;
+
+ xrange = (double) (e2->x - e1->x);
+ if (xrange < 0.00)
+ xrange = -xrange;
+
+ /* Actually, width in pixels of half the zoom area */
+ width_in_pixels = xrange / 2.00;
+ time_per_pixel = dtime_per_pixel(vp);
+ width_in_time = width_in_pixels * time_per_pixel;
+
+ /* Center the screen on the center of the zoom area */
+ center_on_pixel = (double)((e2->x + e1->x) / 2.00) -
+ (double)vp->pid_ax_width;
+ center_on_time = center_on_pixel*time_per_pixel + (double)vp->minvistime;
+
+ /*
+ * Transform back to 64-bit integer microseconds, reset the
+ * scrollbar, schedule a repaint.
+ */
+ vp->minvistime = (ulonglong)(center_on_time - width_in_time);
+ vp->maxvistime = (ulonglong)(center_on_time + width_in_time);
+
+loser_zoom_repaint:
+ recompute_hscrollbar();
+
+ view1_display_when_idle();
+}
+
+/****************************************************************************
+* scroll_y
+*
+* Scroll up or down by the specified delta
+*
+****************************************************************************/
+static void scroll_y(int delta)
+{
+ int new_index = s_v1->first_pid_index + delta;
+ if (new_index + s_v1->npids > g_npids)
+ new_index = g_npids - s_v1->npids;
+ if (new_index < 0)
+ new_index = 0;
+
+ if (new_index != s_v1->first_pid_index) {
+ s_v1->first_pid_index = new_index;
+ GTK_ADJUSTMENT(s_view1_vsadj)->value = (gdouble)new_index;
+ gtk_adjustment_value_changed(GTK_ADJUSTMENT(s_view1_vsadj));
+ view1_display_when_idle();
+ }
+}
+
+/****************************************************************************
+* view1_handle_key_press_event
+* Relevant definitions in: /usr/include/gtk-1.2/gdk/gdktypes.h
+*
+* This routine implements hotkeys for the Quake generation:
+*
+* W - zoom in
+* S - zoom out
+* A - pan left
+* D - pan right
+* R - pan up
+* F - pan down
+* T - more traces
+* G - fewer traces
+*
+* E - toggle summary mode
+* C - toggle color mode
+*
+* X - take snapshot
+* Z - next snapshot
+* P - persist snapshots to file
+* L - load snapshots from file
+*
+* ctrl-Q - exit
+*
+****************************************************************************/
+gint
+view1_handle_key_press_event (GtkWidget *widget, GdkEventKey *event)
+{
+ long long delta;
+
+ switch (event->keyval) {
+ case GDK_w: // zoom in
+ view1_button_click_callback(NULL, (gpointer)ZOOMIN_BUTTON);
+ break;
+
+ case GDK_s: // zoom out
+ view1_button_click_callback(NULL, (gpointer)ZOOMOUT_BUTTON);
+ break;
+
+ case GDK_a: // pan left
+ delta = (s_v1->maxvistime - s_v1->minvistime) / 6;
+ if (s_v1->minvistime < delta) {
+ delta = s_v1->minvistime;
+ }
+ s_v1->minvistime -= delta;
+ s_v1->maxvistime -= delta;
+ recompute_hscrollbar();
+ break;
+
+ case GDK_d: // pan right
+ delta = (s_v1->maxvistime - s_v1->minvistime) / 6;
+ if (s_v1->maxvistime + delta > g_events[g_nevents - 1].time) {
+ /*
+ * @@@ this doesn't seem to quite reach the far right hand
+ * side correctly - not sure why.
+ */
+ delta = g_events[g_nevents - 1].time - s_v1->maxvistime;
+ }
+ s_v1->minvistime += delta;
+ s_v1->maxvistime += delta;
+ recompute_hscrollbar();
+ break;
+
+ case GDK_r: // pan up
+ scroll_y(-1);
+ break;
+
+ case GDK_f: // pan down
+ scroll_y(+1);
+ break;
+
+ case GDK_t: // fewer tracks
+ view1_button_click_callback(NULL, (gpointer)LESS_TRACES_BUTTON);
+ break;
+
+ case GDK_g: // more tracks
+ view1_button_click_callback(NULL, (gpointer)MORE_TRACES_BUTTON);
+ break;
+
+ case GDK_e: // toggle summary mode
+ view1_button_click_callback
+ (NULL, (gpointer)(unsigned long long)
+ (summary_mode ? NOSUMMARY_BUTTON : SUMMARY_BUTTON));
+ break;
+
+ case GDK_c: // toggle color mode
+ color_mode ^= 1;
+ view1_display_when_idle();
+ break;
+
+ case GDK_p: // persist snapshots
+ write_snapshot();
+ break;
+
+ case GDK_l: // load snapshots
+ read_snapshot();
+ break;
+
+ case GDK_x: // take snapshot
+ view1_button_click_callback(NULL, (gpointer)SNAP_BUTTON);
+ break;
+
+ case GDK_z: // next snapshot
+ view1_button_click_callback(NULL, (gpointer)NEXT_BUTTON);
+ break;
+
+ case GDK_q: // ctrl-q is exit
+ if (event->state & GDK_CONTROL_MASK) {
+ gtk_main_quit();
+ }
+ break;
+ }
+ return TRUE;
+}
+
+/****************************************************************************
+* button_press_event
+* Relevant definitions in: /usr/include/gtk-1.2/gdk/gdktypes.h
+*
+* This routine implements three functions: zoom-to-area, time ruler, and
+* show/hide event detail popup.
+*
+* The left mouse button (button 1) has two simultaneous functions: event
+* detail popup, and zoom-to-area. If the press and release events occur
+* within a small delta-x, it's a detail popup event. Otherwise, it's
+* an area zoom.
+*
+* The right mouse button (button 3) implements the time ruler.
+****************************************************************************/
+
+static gint
+button_press_event (GtkWidget *widget, GdkEventButton *event)
+{
+ static GdkEventButton press1_event;
+ static boolean press1_valid;
+ static GdkEventButton press3_event;
+ static guint32 last_truler_time;
+ static boolean press3_valid;
+ static boolean zoom_bar_up;
+ int time_ax_y, xdelta;
+ char tmpbuf [128];
+ double time_per_pixel;
+
+ time_ax_y = 0;
+
+ switch(event->type) {
+ case GDK_BUTTON_PRESS:
+ /* Capture the appropriate starting point */
+ if (event->button == 1) {
+ press1_valid = TRUE;
+ press1_event = *event;
+ return(TRUE);
+ }
+ if (event->button == 3) {
+ press3_valid = TRUE;
+ press3_event = *event;
+ return(TRUE);
+ }
+ return(TRUE);
+
+ case GDK_BUTTON_RELEASE:
+ /* Time ruler */
+ if (press3_valid) {
+ press3_valid = FALSE;
+ /* Fix the cursor, and repaint the screen from scratch */
+ gdk_window_set_cursor (da->window, norm_cursor);
+ view1_display_when_idle();
+ return(TRUE);
+ }
+ /* Event select / zoom-to-area */
+ if (press1_valid) {
+ press1_valid = FALSE;
+ xdelta = (int)(press1_event.x - event->x);
+ if (xdelta < 0)
+ xdelta = -xdelta;
+
+ /* is the mouse more or less where it started? */
+ if (xdelta < 10) {
+ /* Control-left-mouse => sink the track */
+ /* Shift-left-mouse => raise the track */
+ if ((press1_event.state & GDK_CONTROL_MASK) ==
+ GDK_CONTROL_MASK) {
+ move_current_track(event, s_v1, MOVE_BOTTOM);
+ } else if ((press1_event.state & GDK_SHIFT_MASK) ==
+ GDK_SHIFT_MASK) {
+ move_current_track(event, s_v1, MOVE_TOP);
+ } else {
+ /* No modifiers: toggle the event */
+ toggle_event_select(event, s_v1);
+ }
+ /* Repaint to get rid of the zoom bar */
+ if (zoom_bar_up) {
+ /* Fix the cursor and leave. No zoom */
+ gdk_window_set_cursor (da->window, norm_cursor);
+ zoom_bar_up = FALSE;
+ break;
+ }
+ } else { /* mouse moved enough to zoom */
+ zoom_event(&press1_event, event, s_v1);
+ gdk_window_set_cursor (da->window, norm_cursor);
+ zoom_bar_up = FALSE;
+ }
+ } else if (event->button == 4) {
+ /* scroll wheel up */
+ scroll_y(event->state & GDK_SHIFT_MASK ? -10 : -1);
+ } else if (event->button == 5) {
+ /* scroll wheel down */
+ scroll_y(event->state & GDK_SHIFT_MASK ? +10 : +1);
+ }
+ return(TRUE);
+
+ case GDK_MOTION_NOTIFY:
+ /* Button one followed by motion: draw zoom fence and fix cursor */
+ if (press1_valid) {
+ /* Fence, cursor already set */
+ if (zoom_bar_up)
+ return(TRUE);
+
+ xdelta = (int)(press1_event.x - event->x);
+ if (xdelta < 0)
+ xdelta = -xdelta;
+
+ /* Haven't moved enough to declare a zoom sequence yet */
+ if (xdelta < 10)
+ return(TRUE);
+
+ /* Draw the zoom fence, use the key-down X coordinate */
+ time_ax_y = s_v1->npids * s_v1->strip_height + s_v1->pid_ax_offset;
+
+ line((int)(press1_event.x), s_v1->pop_offset,
+ (int)(press1_event.x), time_ax_y, LINE_DRAW_BLACK);
+ tbox("Zoom From Here...", (int)(press1_event.x), s_v1->pop_offset,
+ TBOX_DRAW_BOXED);
+ gdk_window_set_cursor(da->window, zi_cursor);
+ zoom_bar_up = TRUE;
+ return(TRUE);
+ }
+ if (press3_valid) {
+ double nsec;
+
+ gdk_window_set_cursor(da->window, zi_cursor);
+
+ /*
+ * Some filtration is needed on Solaris, or the server will hang
+ */
+ if (event->time - last_truler_time < 75)
+ return(TRUE);
+
+ last_truler_time = event->time;
+
+ line((int)(press3_event.x), s_v1->pop_offset,
+ (int)(press3_event.x), time_ax_y, LINE_DRAW_BLACK);
+
+ xdelta = (int)(press3_event.x - event->x);
+ if (xdelta < 0)
+ xdelta = -xdelta;
+
+ time_per_pixel = ((double)(s_v1->maxvistime - s_v1->minvistime)) /
+ ((double)(s_v1->total_width - s_v1->pid_ax_width));
+
+ time_ax_y = s_v1->npids * s_v1->strip_height + s_v1->pid_ax_offset;
+
+ line((int)(press3_event.x), s_v1->pop_offset,
+ (int)(press3_event.x), time_ax_y, LINE_DRAW_BLACK);
+ /*
+ * Note: use a fixed-width format so it looks like we're
+ * erasing and redrawing the box.
+ */
+ nsec = ((double)xdelta)*time_per_pixel;
+ if (nsec >1e9) {
+ sprintf(tmpbuf, "%8.3f sec ", nsec/1e9);
+ } else if (nsec > 1e6) {
+ sprintf(tmpbuf, "%8.3f msec", nsec/1e6);
+ } else if (nsec > 1e3) {
+ sprintf(tmpbuf, "%8.3f usec", nsec/1e3);
+ } else {
+ sprintf(tmpbuf, "%8.0f nsec", nsec);
+ }
+ tbox(tmpbuf, (int)(press3_event.x), s_v1->pop_offset,
+ TBOX_DRAW_BOXED);
+ return(TRUE);
+ }
+
+ default:
+ break;
+#ifdef DEBUG
+ g_print("button:\ttype = %d\n", event->type);
+ g_print("\twindow = 0x%x\n", event->window);
+ g_print("\tsend_event = %d\n", event->send_event);
+ g_print("\ttime = %d\n", event->time);
+ g_print("\tx = %6.2f\n", event->x);
+ g_print("\ty = %6.2f\n", event->y);
+ g_print("\tpressure = %6.2f\n", event->pressure);
+ g_print("\txtilt = %6.2f\n", event->xtilt);
+ g_print("\tytilt = %6.2f\n", event->ytilt);
+ g_print("\tstate = %d\n", event->state);
+ g_print("\tbutton = %d\n", event->button);
+ g_print("\tsource = %d\n", event->source);
+ g_print("\tdeviceid = %d\n", event->deviceid);
+ g_print("\tx_root = %6.2f\n", event->x_root);
+ g_print("\ty_root = %6.2f\n", event->y_root);
+ return(TRUE);
+#endif
+ }
+
+ view1_display_when_idle();
+
+ return(TRUE);
+}
+
+/****************************************************************************
+* configure_event
+* Happens when the window manager resizes the viewer's main window.
+****************************************************************************/
+
+static gint
+configure_event (GtkWidget *widget, GdkEventConfigure *event)
+{
+ /* Toss the previous drawing area backing store pixmap */
+ if (pm)
+ gdk_pixmap_unref(pm);
+
+ /* Create a new pixmap, paint it */
+ pm = gdk_pixmap_new(widget->window,
+ widget->allocation.width,
+ widget->allocation.height,
+ -1);
+ gdk_draw_rectangle (pm,
+ widget->style->white_gc,
+ TRUE,
+ 0, 0,
+ widget->allocation.width,
+ widget->allocation.height);
+
+ /* Reset the view geometry parameters, as required */
+ s_v1->total_width = widget->allocation.width;
+ s_v1->total_height = widget->allocation.height;
+ s_v1->npids = (s_v1->total_height - s_v1->time_ax_height) /
+ s_v1->strip_height;
+
+ /* Schedule a repaint */
+ view1_display_when_idle();
+ return(TRUE);
+}
+
+/****************************************************************************
+* expose_event
+* Use backing store to fix the screen.
+****************************************************************************/
+static gint expose_event (GtkWidget *widget, GdkEventExpose *event)
+{
+ gdk_draw_pixmap(widget->window,
+ widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
+ pm,
+ event->area.x, event->area.y,
+ event->area.x, event->area.y,
+ event->area.width, event->area.height);
+
+ return(FALSE);
+}
+
+/****************************************************************************
+* event_search_internal
+* This routine searches forward from s_srchindex, looking for s_srchcode;
+* wraps at the end of the buffer.
+****************************************************************************/
+
+boolean event_search_internal (void)
+{
+ event_t *ep;
+ int i;
+ int index;
+ int pid_index;
+ boolean full_redisplay = FALSE;
+ ulonglong current_width;
+ char tmpbuf [64];
+
+ /* No events yet? Act like the search worked, to avoid a loop */
+ if (g_nevents == 0)
+ return(TRUE);
+
+ ep = (g_events + s_srchindex);
+ ep->flags &= ~EVENT_FLAG_SEARCHRSLT;
+
+ /*
+ * Assume the user wants to search [plus or minus]
+ * from where they are.
+ */
+#ifdef notdef
+ if (ep->time < s_v1->minvistime)
+ s_srchindex = find_event_index (s_v1->minvistime);
+#endif
+
+ for (i = 1; i <= g_nevents; i++) {
+ index = (srch_chase_dir == SRCH_CHASE_BACKWARD) ?
+ (s_srchindex - i) % g_nevents :
+ (i + s_srchindex) % g_nevents;
+
+ ep = (g_events + index);
+
+ if (ep->code == s_srchcode) {
+ if (s_srchfail_up)
+ message_line("");
+ s_srchindex = index;
+ pid_index = ep->pid->pid_index;
+
+ /* Need a vertical scroll? */
+ if ((pid_index < s_v1->first_pid_index) ||
+ (pid_index >= s_v1->first_pid_index + s_v1->npids)) {
+ if (pid_index > (g_npids - s_v1->npids))
+ pid_index = (g_npids - s_v1->npids);
+ s_v1->first_pid_index = pid_index;
+ GTK_ADJUSTMENT(s_view1_vsadj)->value =
+ (gdouble)s_v1->first_pid_index;
+ gtk_adjustment_value_changed(GTK_ADJUSTMENT(s_view1_vsadj));
+ full_redisplay = TRUE;
+ }
+
+ /* Need a horizontal scroll? */
+ if (ep->time < s_v1->minvistime || ep->time > s_v1->maxvistime) {
+ current_width = (s_v1->maxvistime - s_v1->minvistime);
+ if (ep->time < ((current_width+1) / 2)) {
+ s_v1->minvistime = 0ll;
+ s_v1->maxvistime = current_width;
+ } else {
+ s_v1->minvistime = ep->time - ((current_width+1)/2);
+ s_v1->maxvistime = ep->time + ((current_width+1)/2);
+ }
+ recompute_hscrollbar();
+ full_redisplay = TRUE;
+ }
+ ep->flags |= EVENT_FLAG_SEARCHRSLT;
+ full_redisplay = TRUE;
+
+#ifdef NOTDEF
+ if (!full_redisplay){
+ if (!s_result_up) {
+ s_result_up = TRUE;
+ time_per_pixel = dtime_per_pixel(s_v1);
+
+ y = pid_index*s_v1->strip_height + s_v1->event_offset;
+ x = s_v1->pid_ax_width +
+ (int)(((double)(ep->time - s_v1->minvistime)) /
+ time_per_pixel);
+ sprintf(tmpbuf, "SEARCH RESULT");
+ tbox(tmpbuf, x, y - s_v1->pop_offset, TBOX_DRAW_BOXED);
+ line(x, y-s_v1->pop_offset, x, y, LINE_DRAW_BLACK);
+ } else {
+ full_redisplay = TRUE;
+ }
+ }
+#endif
+
+ if (full_redisplay)
+ view1_display_when_idle();
+ return(TRUE);
+ }
+ }
+ sprintf (tmpbuf, "Search for event %ld failed...\n", s_srchcode);
+ message_line(tmpbuf);
+ s_srchfail_up = TRUE;
+ return(TRUE);
+}
+
+/****************************************************************************
+* event_search_callback
+****************************************************************************/
+
+boolean event_search_callback (char *s)
+{
+ /* No events yet? Act like the search worked, to avoid a loop */
+ if (g_nevents == 0)
+ return(TRUE);
+
+ s_srchcode = atol(s);
+
+ if (s_srchcode == 0)
+ return(FALSE);
+
+ return(event_search_internal());
+}
+
+/****************************************************************************
+* event_search
+****************************************************************************/
+
+static void event_search (void)
+{
+ modal_dialog ("Event Search: Please Enter Event Code",
+ "Invalid: Please Reenter Event Code", NULL,
+ event_search_callback);
+}
+
+/****************************************************************************
+* init_track_colors
+****************************************************************************/
+static void init_track_colors(void)
+{
+ int i;
+ unsigned hash;
+ char *label_char;
+ unsigned RGB[3];
+ gboolean dont_care[g_npids];
+
+ /*
+ * If we've already allocated the colors once, then in theory we should
+ * just be able to re-order the GCs already created to match the new track
+ * order; the track -> color mapping doesn't currently change at runtime.
+ * However, it's easier just to allocate everything from fresh. As a nod in
+ * the direction of politeness towards our poor abused X server, we at
+ * least mop up the previously allocated GCs first, although in practice
+ * even omitting this didn't seem to cause a problem.
+ */
+ if (s_color != NULL ) {
+ gdk_colormap_free_colors(gtk_widget_get_colormap(da),
+ s_color, g_npids);
+ memset(s_color, 0, sizeof(GdkColor) * g_npids);
+ } else {
+ /*
+ * First time through: allocate the array to hold the GCs.
+ */
+ s_color = g_malloc(sizeof(GdkColor) * g_npids);
+ }
+
+ /*
+ * Go through and assign a color for each track.
+ */
+ for (i = 0; i < g_npids; i++) {
+ /*
+ * We compute the color from a hash of the thread name. That way we get
+ * a distribution of different colors, and the same thread has the same
+ * color across multiple data sets. Unfortunately, even though the
+ * process name and thread id are invariant across data sets, the
+ * process id isn't, so we want to exclude that from the hash. Since
+ * the pid appears in parentheses after the process name and tid, we
+ * can just stop at the '(' character.
+ *
+ * We could create a substring and use the CLIB Jenkins hash, but given
+ * we're hashing ascii data, a suitable Bernstein hash is pretty much
+ * just as good, and it's easiest just to compute it inline.
+ */
+ label_char = get_track_label(g_pids[i].pid_value);
+ hash = 0;
+ while (*label_char != '\0' && *label_char != '(') {
+ hash = hash * 33 + *label_char++;
+ }
+ hash += hash >> 5; /* even out the lower order bits a touch */
+
+ /*
+ * OK, now we have our hash. We get the color by using the first three
+ * bytes of the hash for the RGB values (expanded from 8 to 16 bits),
+ * and then use the fourth byte to choose one of R, G, B and mask this
+ * one down. This ensures the color can't be too close to white and
+ * therefore hard to see.
+ *
+ * We also drop the top bit of the green, since bright green on its own
+ * is hard to see against white. Generally we err on the side of
+ * keeping it dark, rather than using the full spectrum of colors. This
+ * does result in something of a preponderance of muddy colors and a
+ * bit of a lack of cheery bright ones, but at least you can read
+ * everything. It would be nice to do better.
+ */
+ RGB[0] = (hash & 0xff000000) >> 16;
+ RGB[1] = (hash & 0x007f0000) >> 8;
+ RGB[2] = (hash & 0x0000ff00);
+ RGB[hash % 3] &= 0x1fff;
+
+ {
+ GdkColor color = {0, RGB[0], RGB[1], RGB[2]};
+ s_color[i] = color;
+ g_pids[i].color_index = i;
+ }
+ }
+
+ /*
+ * Actually allocate the colors in one bulk operation. We ignore the return
+ * values.
+ */
+ gdk_colormap_alloc_colors(gtk_widget_get_colormap(da),
+ s_color, g_npids, FALSE, TRUE, dont_care);
+}
+
+
+/****************************************************************************
+* chase_event_etc
+* Reorder the pid_index fields so the viewer "chases" the last selected
+* event.
+****************************************************************************/
+
+static void chase_event_etc(enum chase_mode mode)
+{
+ pid_sort_t *psp, *new_pidvec;
+ pid_data_t *pp;
+ event_t *ep;
+ int pids_mapped;
+ ulong code_to_chase;
+ ulong datum_to_chase;
+ ulong pid_to_chase;
+ int i;
+ int winner;
+
+ if (!s_last_selected_event) {
+ infobox("No selected event",
+ "\nPlease select an event and try again...\n");
+ return;
+ }
+
+ /* Clear all index assignments */
+ psp = g_pids;
+ for (i = 0; i < g_npids; i++) {
+ pp = psp->pid;
+ pp->pid_index = 0xFFFFFFFF;
+ psp++;
+ }
+
+ ep = s_last_selected_event;
+ code_to_chase = ep->code;
+ datum_to_chase = ep->datum;
+ pid_to_chase = ep->pid->pid_value;
+ pids_mapped = 0;
+ new_pidvec = g_malloc(sizeof(pid_sort_t)*g_npids);
+
+ while (1) {
+ if (srch_chase_dir == SRCH_CHASE_FORWARD) {
+ if (ep >= g_events + g_nevents)
+ break;
+ } else {
+ if (ep < g_events)
+ break;
+ }
+
+ winner = 0;
+ switch(mode) {
+ case CHASE_EVENT:
+ if (ep->code == code_to_chase) {
+ winner = 1;
+ }
+ break;
+
+ case CHASE_DATUM:
+ if (ep->datum == datum_to_chase) {
+ winner = 1;
+ }
+ break;
+
+ case CHASE_TRACK:
+ if (ep->pid->pid_value == pid_to_chase) {
+ winner = 1;
+ }
+ break;
+
+ default:
+ infobox("BUG", "unknown mode in chase_event_etc\n");
+ break;
+ }
+
+ if (winner) {
+ if (ep->pid->pid_index == 0xFFFFFFFF) {
+ ep->pid->pid_index = pids_mapped;
+ new_pidvec[pids_mapped].pid = ep->pid;
+ new_pidvec[pids_mapped].pid_value = ep->pid->pid_value;
+ new_pidvec[pids_mapped].color_index = 0;
+ pids_mapped++;
+ if (pids_mapped == g_npids)
+ break;
+ }
+ }
+ if (srch_chase_dir == SRCH_CHASE_FORWARD)
+ ep++;
+ else
+ ep--;
+ }
+
+ /* Pass 2, first-to-last, to collect stragglers */
+ ep = g_events;
+
+ while (ep < g_events + g_nevents) {
+ if (ep->pid->pid_index == 0xFFFFFFFF) {
+ ep->pid->pid_index = pids_mapped;
+ new_pidvec[pids_mapped].pid = ep->pid;
+ new_pidvec[pids_mapped].pid_value = ep->pid->pid_value;
+ new_pidvec[pids_mapped].color_index = 0;
+ pids_mapped++;
+ if (pids_mapped == g_npids)
+ break;
+ }
+ ep++;
+ }
+
+ if (pids_mapped != g_npids) {
+ infobox("BUG", "\nDidn't map all pids in chase_event_etc\n");
+ }
+
+ g_free (g_pids);
+ g_pids = new_pidvec;
+
+ /*
+ * The new g_pids vector contains the "chase" sort, so we revert
+ * the pid_index mapping to an identity map
+ */
+ psp = g_pids;
+
+ for (i = 0; i < g_npids; i++) {
+ pp = psp->pid;
+ pp->pid_index = i;
+ psp++;
+ }
+
+ /* AutoScroll the PID axis so we show the first "chased" event */
+ s_v1->first_pid_index = 0;
+ GTK_ADJUSTMENT(s_view1_vsadj)->value = 0.00;
+ gtk_adjustment_value_changed(GTK_ADJUSTMENT(s_view1_vsadj));
+ init_track_colors();
+ view1_display_when_idle();
+}
+
+/****************************************************************************
+* unchase_event_etc
+* Copy g_original_pids to g_pids, revert index mapping
+****************************************************************************/
+static void unchase_event_etc(void)
+{
+ int i;
+ pid_sort_t *psp;
+ pid_data_t *pp;
+
+ memcpy (g_pids, g_original_pids, sizeof(pid_sort_t)*g_npids);
+
+ /* Fix the pid structure index mappings */
+ psp = g_pids;
+
+ for (i = 0; i < g_npids; i++) {
+ pp = psp->pid;
+ pp->pid_index = i;
+ psp++;
+ }
+
+ /* Scroll PID axis to the top */
+ s_v1->first_pid_index = 0;
+ GTK_ADJUSTMENT(s_view1_vsadj)->value = 0.00;
+ gtk_adjustment_value_changed(GTK_ADJUSTMENT(s_view1_vsadj));
+ init_track_colors();
+ view1_display_when_idle();
+}
+
+/****************************************************************************
+* print_ps_header
+* To fit a reasonable-sized landscape mode plot onto letter-size paper,
+* scale everything by .75.
+****************************************************************************/
+
+static void print_ps_header (v1_geometry_t *vp, char *filename)
+{
+ time_t now;
+
+ now = time(0);
+
+ fprintf(s_printfp, "%%%%!PS-Adobe-3.0 EPSF-3.0\n");
+ fprintf(s_printfp, "%%%%Creator: G2 Event Viewer\n");
+ fprintf(s_printfp, "%%%%Title: %s\n", filename);
+ fprintf(s_printfp, "%%%%CreationDate: %s", ctime(&now));
+ fprintf(s_printfp, "%%%%DocumentData: Clean7Bit\n");
+ fprintf(s_printfp, "%%%%Origin: 0 0\n");
+ fprintf(s_printfp, "%%%%BoundingBox: 0 0 %d %d\n", vp->total_height,
+ vp->total_width);
+ fprintf(s_printfp, "%%%%LanguageLevel: 2\n");
+ fprintf(s_printfp, "%%%%Pages: 1\n");
+ fprintf(s_printfp, "%%%%Page: 1 1\n");
+ fprintf(s_printfp, "%%%%EOF\n");
+ fprintf(s_printfp, "/Times-Roman findfont\n");
+ fprintf(s_printfp, "12 scalefont\n");
+ fprintf(s_printfp, "setfont\n");
+ fprintf(s_printfp, ".75 .75 scale\n");
+}
+
+/****************************************************************************
+* xrt
+* Xcoordinate rotate and translate. We need to emit postscript that
+* has a reasonable aspect ratio for printing. To do that, we rotate the
+* intended picture by 90 degrees, using the standard 2D rotation
+* formula:
+*
+* Xr = x*cos(theta) - y*sin(theta);
+* Yr = x*sin(theta) + y*cos(theta);
+*
+* If we let theta = 90, this reduces to
+* Xr = -y
+* Yr = x
+*
+* Translate back to the origin in X by adding Ymax, yielding
+* Xrt = Ymax - y
+****************************************************************************/
+
+static inline int xrt(int x, int y)
+{
+ return (s_v1->total_height - y);
+}
+
+static inline int yrt(int x, int y)
+{
+ return(x);
+}
+
+/****************************************************************************
+* print_screen_callback
+****************************************************************************/
+
+static boolean print_screen_callback(char *filename)
+{
+ s_printfp = fopen (filename, "wt");
+
+ if (s_printfp == NULL)
+ return(FALSE);
+
+ /*
+ * This variable allows us to magically turn the view1 display
+ * code into a print-driver, with a minimum of fuss. The idea is to
+ * magically change TBOX_DRAW_XXX into TBOX_PRINT_XXX by adding
+ * the required value, aka s_print_offset.
+ * Make sure to fix g2.h if you mess here, or vice versa.
+ */
+ s_print_offset = TBOX_PRINT_PLAIN - TBOX_DRAW_PLAIN;
+
+ print_ps_header(s_v1, filename);
+
+ display_pid_axis(s_v1);
+ display_event_data(s_v1);
+ display_time_axis(s_v1);
+
+ fclose (s_printfp);
+ s_printfp = 0;
+ s_print_offset = 0;
+
+ /* For tactile feedback */
+ view1_display_when_idle();
+ return(TRUE);
+}
+
+/****************************************************************************
+* view1_button_click_callback
+****************************************************************************/
+
+static void view1_button_click_callback(GtkButton *item, gpointer data)
+{
+ enum view1_button_click click = (enum view1_button_click) data;
+ event_t *ep;
+ ulonglong event_incdec;
+ ulonglong current_width;
+ ulonglong zoom_delta;
+
+
+ current_width = s_v1->maxvistime - s_v1->minvistime;
+ event_incdec = (current_width) / 3;
+
+ if (event_incdec == 0LL)
+ event_incdec = 1;
+
+ zoom_delta = (s_v1->maxvistime - s_v1->minvistime) / 6;
+
+ switch(click) {
+ case TOP_BUTTON:
+ /* First PID to top of window */
+ s_v1->first_pid_index = 0;
+ GTK_ADJUSTMENT(s_view1_vsadj)->value = 0.00;
+ gtk_adjustment_value_changed(GTK_ADJUSTMENT(s_view1_vsadj));
+ break;
+
+ case BOTTOM_BUTTON:
+ s_v1->first_pid_index = g_npids - s_v1->npids;
+ if (s_v1->first_pid_index < 0)
+ s_v1->first_pid_index = 0;
+ GTK_ADJUSTMENT(s_view1_vsadj)->value = (gdouble)s_v1->first_pid_index;
+ gtk_adjustment_value_changed(GTK_ADJUSTMENT(s_view1_vsadj));
+ break;
+
+ case SNAP_BUTTON:
+ add_snapshot();
+ break;
+
+ case NEXT_BUTTON:
+ next_snapshot();
+ break;
+
+ case DEL_BUTTON:
+ del_snapshot();
+ break;
+
+ case CHASE_EVENT_BUTTON:
+ chase_event_etc(CHASE_EVENT);
+ break;
+
+ case CHASE_DATUM_BUTTON:
+ chase_event_etc(CHASE_DATUM);
+ break;
+
+ case CHASE_TRACK_BUTTON:
+ chase_event_etc(CHASE_TRACK);
+ break;
+
+ case UNCHASE_BUTTON:
+ unchase_event_etc();
+ break;
+
+ case START_BUTTON:
+ start_button:
+ s_v1->minvistime = 0LL;
+ s_v1->maxvistime = current_width;
+ recompute_hscrollbar();
+ break;
+
+ case ZOOMIN_BUTTON:
+ s_v1->minvistime += zoom_delta;
+ s_v1->maxvistime -= zoom_delta;
+ recompute_hscrollbar();
+ break;
+
+ case SEARCH_AGAIN_BUTTON:
+ if (s_srchcode) {
+ event_search_internal();
+ break;
+ }
+ /* NOTE FALLTHROUGH */
+
+ case SEARCH_BUTTON:
+ event_search();
+ break;
+
+ case ZOOMOUT_BUTTON:
+ if (zoom_delta == 0LL)
+ zoom_delta = 1;
+
+ if (s_v1->minvistime >= zoom_delta) {
+ s_v1->minvistime -= zoom_delta;
+ s_v1->maxvistime += zoom_delta;
+ } else {
+ s_v1->minvistime = 0;
+ s_v1->maxvistime += zoom_delta*2;
+ }
+
+ if ((s_v1->maxvistime - s_v1->minvistime) * 8 >
+ g_events[g_nevents-1].time * 9) {
+ s_v1->minvistime = 0;
+ s_v1->maxvistime = g_events[g_nevents-1].time * 9 / 8;
+ }
+ recompute_hscrollbar();
+ break;
+
+ case END_BUTTON:
+ ep = (g_events + g_nevents - 1);
+ s_v1->maxvistime = ep->time + event_incdec/3;
+ s_v1->minvistime = s_v1->maxvistime - current_width;
+ if (s_v1->minvistime > s_v1->maxvistime)
+ goto start_button;
+ recompute_hscrollbar();
+ break;
+
+ case MORE_TRACES_BUTTON:
+ /* Reduce the strip height to fit more traces on screen */
+ s_v1->strip_height -= 1;
+
+ if (s_v1->strip_height < 1) {
+ s_v1->strip_height = 1;
+ }
+
+ /* Recalculate the number of strips on the screen */
+ s_v1->npids = (s_v1->total_height - s_v1->time_ax_height) /
+ s_v1->strip_height;
+ recompute_vscrollbar();
+ break;
+
+ case LESS_TRACES_BUTTON:
+ /* Increase the strip height to fit fewer on the screen */
+ s_v1->strip_height += 1;
+ if (s_v1->strip_height > 80) {
+ s_v1->strip_height = 80;
+ }
+
+ /* Recalculate the number of strips on the screen */
+ s_v1->npids = (s_v1->total_height - s_v1->time_ax_height) /
+ s_v1->strip_height;
+ recompute_vscrollbar();
+ break;
+
+ case FORWARD_BUTTON:
+ srch_chase_dir = SRCH_CHASE_FORWARD;
+ gtk_widget_hide (s_view1_forward_button);
+ gtk_widget_show (s_view1_backward_button);
+ break;
+
+ case BACKWARD_BUTTON:
+ srch_chase_dir = SRCH_CHASE_BACKWARD;
+ gtk_widget_show (s_view1_forward_button);
+ gtk_widget_hide (s_view1_backward_button);
+ break;
+
+ case SUMMARY_BUTTON:
+ summary_mode = TRUE;
+ gtk_widget_hide (s_view1_summary_button);
+ gtk_widget_show (s_view1_nosummary_button);
+ break;
+
+ case NOSUMMARY_BUTTON:
+ summary_mode = FALSE;
+ gtk_widget_show (s_view1_summary_button);
+ gtk_widget_hide (s_view1_nosummary_button);
+ break;
+ }
+
+ view1_display_when_idle();
+}
+
+/****************************************************************************
+* view1_print_callback
+****************************************************************************/
+
+void view1_print_callback (GtkToggleButton *notused, gpointer nu2)
+{
+ modal_dialog("Print Screen (PostScript format) to file:",
+ "Invalid file: Print Screen to file:",
+ "g2.ps", print_screen_callback);
+}
+
+/****************************************************************************
+* view1_hscroll
+****************************************************************************/
+
+static void view1_hscroll (GtkAdjustment *adj, GtkWidget *notused)
+{
+ ulonglong current_width;
+
+ current_width = (s_v1->maxvistime - s_v1->minvistime);
+
+ s_v1->minvistime = (ulonglong)(adj->value);
+ s_v1->maxvistime = s_v1->minvistime + current_width;
+
+ view1_display_when_idle();
+
+#ifdef NOTDEF
+ g_print ("adj->lower = %.2f\n", adj->lower);
+ g_print ("adj->upper = %.2f\n", adj->upper);
+ g_print ("adj->value = %.2f\n", adj->value);
+ g_print ("adj->step_increment = %.2f\n", adj->step_increment);
+ g_print ("adj->page_increment = %.2f\n", adj->page_increment);
+ g_print ("adj->page_size = %.2f\n", adj->page_size);
+#endif
+}
+
+/****************************************************************************
+* view1_vscroll
+****************************************************************************/
+
+static void view1_vscroll (GtkAdjustment *adj, GtkWidget *notused)
+{
+ s_v1->first_pid_index = (int)adj->value;
+ view1_display_when_idle();
+}
+
+void set_pid_ax_width(int width)
+{
+ s_v1->pid_ax_width = width;
+ view1_display_when_idle();
+}
+
+/****************************************************************************
+* view1_init
+****************************************************************************/
+
+void view1_init(void)
+{
+
+ c_view1_draw_width = atol(getprop_default("drawbox_width", "700"));
+ c_view1_draw_height = atol(getprop_default("drawbox_height", "400"));
+
+ s_v1->pid_ax_width = 80;
+ s_v1->time_ax_height = 80;
+ s_v1->time_ax_spacing = 100;
+ s_v1->strip_height = 25;
+ s_v1->pop_offset = 20;
+ s_v1->pid_ax_offset = 34;
+ s_v1->event_offset = 40;
+ s_v1->total_height = c_view1_draw_height;
+ s_v1->total_width = c_view1_draw_width;
+ s_v1->first_pid_index = 0;
+
+ s_v1->npids = (s_v1->total_height - s_v1->time_ax_height) /
+ s_v1->strip_height;
+
+ s_v1->minvistime = 0;
+ s_v1->maxvistime = 200;
+
+ s_view1_vbox = gtk_vbox_new(FALSE, 5);
+
+ s_view1_hbox = gtk_hbox_new(FALSE, 5);
+
+ da = gtk_drawing_area_new();
+ gtk_drawing_area_size(GTK_DRAWING_AREA(da), c_view1_draw_width,
+ c_view1_draw_height);
+
+#ifdef NOTDEF
+ gtk_signal_connect (GTK_OBJECT (da), "motion_notify_event",
+ (GtkSignalFunc) motion_notify_event, NULL);
+#endif
+
+ gtk_signal_connect (GTK_OBJECT (da), "expose_event",
+ (GtkSignalFunc) expose_event, NULL);
+
+ gtk_signal_connect (GTK_OBJECT(da),"configure_event",
+ (GtkSignalFunc) configure_event, NULL);
+
+ gtk_signal_connect (GTK_OBJECT (da), "button_press_event",
+ (GtkSignalFunc) button_press_event, NULL);
+
+ gtk_signal_connect (GTK_OBJECT (da), "button_release_event",
+ (GtkSignalFunc) button_press_event, NULL);
+
+ gtk_signal_connect (GTK_OBJECT (da), "motion_notify_event",
+ (GtkSignalFunc) button_press_event, NULL);
+
+ gtk_widget_set_events (da, GDK_BUTTON_PRESS_MASK
+ | GDK_BUTTON_RELEASE_MASK | GDK_EXPOSURE_MASK
+ | GDK_BUTTON_MOTION_MASK);
+
+
+ gtk_box_pack_start(GTK_BOX(s_view1_hbox), da, TRUE, TRUE, 0);
+
+ g_font = gdk_font_load ("8x13");
+ if (g_font == NULL) {
+ g_error("Couldn't load 8x13 font...\n");
+ }
+ gdk_font_ref(g_font);
+
+ /* PID axis menu */
+ s_view1_vmenubox = gtk_vbox_new(FALSE, 5);
+
+ s_view1_vsadj = gtk_adjustment_new(0.0 /* initial value */,
+ 0.0 /* minimum value */,
+ 2000.0 /* maximum value */,
+ 0.1 /* step increment */,
+ 10.0/* page increment */,
+ 10.0/* page size */);
+
+ s_view1_vscroll = gtk_vscrollbar_new (GTK_ADJUSTMENT(s_view1_vsadj));
+
+ gtk_signal_connect (GTK_OBJECT (s_view1_vsadj), "value-changed",
+ GTK_SIGNAL_FUNC (view1_vscroll),
+ (gpointer)s_view1_vscroll);
+
+ s_view1_topbutton = gtk_button_new_with_label("Top");
+ s_view1_bottombutton = gtk_button_new_with_label("Bottom");
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_topbutton), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) TOP_BUTTON);
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_bottombutton), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) BOTTOM_BUTTON);
+
+ /* More Traces button and Less Traces button */
+ s_view1_more_traces_button = gtk_button_new_with_label("More Traces");
+ s_view1_less_traces_button = gtk_button_new_with_label("Less Traces");
+ gtk_signal_connect (GTK_OBJECT(s_view1_more_traces_button), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) MORE_TRACES_BUTTON);
+ gtk_signal_connect (GTK_OBJECT(s_view1_less_traces_button), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) LESS_TRACES_BUTTON);
+
+#ifdef NOTDEF
+ /* Trick to bottom-justify the menu: */
+ s_view1_pad1 = gtk_vbox_new(FALSE, 0);
+ gtk_box_pack_start (GTK_BOX(s_view1_vmenubox), s_view1_pad1,
+ TRUE, FALSE, 0);
+
+#endif
+
+ gtk_box_pack_start (GTK_BOX(s_view1_vmenubox), s_view1_topbutton,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_vmenubox), s_view1_vscroll,
+ TRUE, TRUE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_vmenubox), s_view1_bottombutton,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_vmenubox), s_view1_more_traces_button,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_vmenubox), s_view1_less_traces_button,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hbox), s_view1_vmenubox,
+ FALSE, FALSE, 0);
+
+ /* Time axis menu */
+
+ s_view1_hmenubox = gtk_hbox_new(FALSE, 5);
+
+ s_view1_startbutton = gtk_button_new_with_label("Start");
+
+ s_view1_zoominbutton = gtk_button_new_with_label("ZoomIn");
+
+ s_view1_searchbutton = gtk_button_new_with_label("Search");
+
+ s_view1_srchagainbutton = gtk_button_new_with_label("Search Again");
+
+ s_view1_zoomoutbutton = gtk_button_new_with_label("ZoomOut");
+
+ s_view1_endbutton = gtk_button_new_with_label("End");
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_startbutton), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) START_BUTTON);
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_zoominbutton), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) ZOOMIN_BUTTON);
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_searchbutton), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) SEARCH_BUTTON);
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_srchagainbutton), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) SEARCH_AGAIN_BUTTON);
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_zoomoutbutton), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) ZOOMOUT_BUTTON);
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_endbutton), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) END_BUTTON);
+
+ s_view1_hsadj = gtk_adjustment_new(0.0 /* initial value */,
+ 0.0 /* minimum value */,
+ 2000.0 /* maximum value */,
+ 0.1 /* step increment */,
+ 10.0/* page increment */,
+ 10.0/* page size */);
+
+ s_view1_hscroll = gtk_hscrollbar_new (GTK_ADJUSTMENT(s_view1_hsadj));
+
+ gtk_signal_connect (GTK_OBJECT (s_view1_hsadj), "value-changed",
+ GTK_SIGNAL_FUNC (view1_hscroll),
+ (gpointer)s_view1_hscroll);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox), s_view1_startbutton,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox), s_view1_hscroll,
+ TRUE, TRUE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox), s_view1_endbutton,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox), s_view1_zoominbutton,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox), s_view1_searchbutton,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox), s_view1_srchagainbutton,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox), s_view1_zoomoutbutton,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_vbox), s_view1_hbox,
+ TRUE, TRUE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_vbox), s_view1_hmenubox,
+ FALSE, FALSE, 0);
+
+
+ s_view1_hmenubox2 = gtk_hbox_new(FALSE, 5);
+
+ s_view1_snapbutton = gtk_button_new_with_label("Snap");
+
+ s_view1_nextbutton = gtk_button_new_with_label("Next");
+
+ s_view1_delbutton = gtk_button_new_with_label("Del");
+
+ s_view1_chase_event_button = gtk_button_new_with_label("ChaseEvent");
+
+ s_view1_chase_datum_button = gtk_button_new_with_label("ChaseDatum");
+
+ s_view1_chase_track_button = gtk_button_new_with_label("ChaseTrack");
+
+ s_view1_unchasebutton = gtk_button_new_with_label("NoChase");
+
+ s_view1_forward_button = gtk_button_new_with_label("->SrchChase(is<-)");
+ s_view1_backward_button = gtk_button_new_with_label("<-SrchChase(is->)");
+
+ s_view1_summary_button = gtk_button_new_with_label("Summary");
+ s_view1_nosummary_button = gtk_button_new_with_label("NoSummary");
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_snapbutton), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) SNAP_BUTTON);
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_nextbutton), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) NEXT_BUTTON);
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_delbutton), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) DEL_BUTTON);
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_chase_event_button), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) CHASE_EVENT_BUTTON);
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_chase_datum_button), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) CHASE_DATUM_BUTTON);
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_chase_track_button), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) CHASE_TRACK_BUTTON);
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_unchasebutton), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) UNCHASE_BUTTON);
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_forward_button), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) FORWARD_BUTTON);
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_backward_button), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) BACKWARD_BUTTON);
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_summary_button), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) SUMMARY_BUTTON);
+
+ gtk_signal_connect (GTK_OBJECT(s_view1_nosummary_button), "clicked",
+ GTK_SIGNAL_FUNC(view1_button_click_callback),
+ (gpointer) NOSUMMARY_BUTTON);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_vbox), s_view1_hmenubox2,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox2), s_view1_snapbutton,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox2), s_view1_nextbutton,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox2), s_view1_delbutton,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox2), s_view1_chase_event_button,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox2), s_view1_chase_datum_button,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox2), s_view1_chase_track_button,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox2), s_view1_unchasebutton,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox2), s_view1_forward_button,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox2), s_view1_backward_button,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox2), s_view1_summary_button,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_hmenubox2), s_view1_nosummary_button,
+ FALSE, FALSE, 0);
+
+ s_view1_label = gtk_label_new(NULL);
+
+ gtk_box_pack_start (GTK_BOX(s_view1_vbox), s_view1_label,
+ FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX(g_mainhbox), s_view1_vbox,
+ TRUE, TRUE, 0);
+
+ gtk_widget_show_all (s_view1_vbox);
+ GTK_WIDGET_SET_FLAGS(da, GTK_CAN_FOCUS);
+ gtk_widget_grab_focus(da);
+
+ gtk_widget_hide (s_view1_forward_button);
+ gtk_widget_hide (summary_mode ? s_view1_summary_button
+ : s_view1_nosummary_button);
+
+ zi_source = gdk_bitmap_create_from_data (NULL, (char *)zi_bits, zi_width,
+ zi_height);
+ zi_mask = gdk_bitmap_create_from_data (NULL, (char *)zi_bkgd, zi_width,
+ zi_height);
+
+ zi_cursor = (GdkCursor *) gdk_cursor_new_from_pixmap (zi_source,
+ zi_mask, &fg_black,
+ &bg_white, zi_x_hot,
+ zi_y_hot);
+ gdk_pixmap_unref (zi_source);
+ gdk_pixmap_unref (zi_mask);
+
+ norm_cursor = (GdkCursor *) gdk_cursor_new (GDK_TOP_LEFT_ARROW);
+}
+
+/****************************************************************************
+* line_print
+****************************************************************************/
+
+void line_print (int x1, int y1, int x2, int y2)
+{
+ fprintf(s_printfp, "newpath\n");
+ fprintf(s_printfp, "%d %d moveto\n", xrt(x1, s_v1->total_height - y1),
+ yrt(x1, s_v1->total_height - y1));
+
+ fprintf(s_printfp, "%d %d lineto\n", xrt (x2, s_v1->total_height - y2),
+ yrt (x2, s_v1->total_height - y2));
+ fprintf(s_printfp, "1 setlinewidth\n");
+ fprintf(s_printfp, "stroke\n");
+}
+
+/****************************************************************************
+* tbox_print
+****************************************************************************/
+GdkRectangle *tbox_print (char *s, int x, int y, enum view1_tbox_fn function,
+ GdkRectangle *rp)
+{
+ if (function == TBOX_PRINT_BOXED) {
+ rp->width -= 4;
+ }
+
+ if ((function == TBOX_PRINT_BOXED) ||
+ (function == TBOX_PRINT_EVENT)) {
+
+ fprintf(s_printfp, "newpath\n");
+ fprintf(s_printfp, "0 setlinewidth\n");
+ fprintf(s_printfp, "%d %d moveto\n",
+ xrt(rp->x, s_v1->total_height - rp->y),
+ yrt(rp->x, s_v1->total_height - rp->y));
+
+ fprintf(s_printfp, "%d %d lineto\n",
+ xrt (rp->x+rp->width, s_v1->total_height - rp->y),
+ yrt (rp->x+rp->width, s_v1->total_height - rp->y));
+
+ fprintf(s_printfp, "%d %d lineto\n",
+ xrt(rp->x+rp->width, s_v1->total_height - (rp->y+rp->height)),
+ yrt(rp->x+rp->width, s_v1->total_height - (rp->y+rp->height)));
+
+ fprintf(s_printfp, "%d %d lineto\n",
+ xrt(rp->x, s_v1->total_height - (rp->y+rp->height)),
+ yrt(rp->x, s_v1->total_height - (rp->y+rp->height)));
+
+ fprintf(s_printfp, "%d %d lineto\n",
+ xrt(rp->x, s_v1->total_height - rp->y),
+ yrt(rp->x, s_v1->total_height - rp->y));
+
+ fprintf(s_printfp, "stroke\n");
+ }
+
+ if ((function == TBOX_PRINT_BOXED) ||
+ (function == TBOX_PRINT_PLAIN)) {
+
+ fprintf(s_printfp, "newpath\n");
+ fprintf(s_printfp, "%d %d moveto\n",
+ xrt(x, s_v1->total_height - (y-2)),
+ yrt(x, s_v1->total_height - (y-2)));
+ fprintf(s_printfp, "gsave\n");
+ fprintf(s_printfp, "90 rotate\n");
+ fprintf(s_printfp, "(%s) show\n", s);
+ fprintf(s_printfp, "grestore\n");
+ }
+
+ return(rp);
+}
+
+/****************************************************************************
+* tbox - draws an optionally boxed string whose lower lefthand
+* corner is at (x, y). As usual, Y is backwards.
+****************************************************************************/
+
+GdkRectangle *tbox (char *s, int x, int y, enum view1_tbox_fn function)
+{
+ static GdkRectangle update_rect;
+ gint lbearing, rbearing, width, ascent, descent;
+
+ gdk_string_extents (g_font, s,
+ &lbearing, &rbearing,
+ &width, &ascent, &descent);
+
+ /*
+ * If we have enough room to display full size events, then just
+ * use the BOXED function instead of the EVENT function.
+ */
+ if (s_v1->strip_height > 9) {
+ switch (function) {
+ case TBOX_DRAW_EVENT: function = TBOX_DRAW_BOXED; break;
+ case TBOX_GETRECT_EVENT: function = TBOX_GETRECT_BOXED; break;
+ case TBOX_PRINT_EVENT: function = TBOX_PRINT_BOXED; break;
+ default:
+ break;
+ /* Nothing */
+ }
+ }
+
+ switch (function) {
+ case TBOX_DRAW_BOXED:
+ gdk_draw_rectangle (pm, da->style->white_gc, TRUE,
+ x, y - (ascent+descent+3), width + 2,
+ ascent + descent + 3);
+
+ gdk_draw_rectangle (pm, da->style->black_gc, FALSE,
+ x, y - (ascent+descent+3), width + 2,
+ ascent + descent + 3);
+
+ gdk_draw_string (pm, g_font, da->style->black_gc,
+ x + 1, y - 1, (const gchar *)s);
+ /* NOTE FALLTHROUGH */
+ case TBOX_GETRECT_BOXED:
+ update_rect.x = x;
+ update_rect.y = y -(ascent+descent+3);
+ update_rect.width = width + 3;
+ update_rect.height = ascent + descent + 4;
+ if (function == TBOX_DRAW_BOXED)
+ gtk_widget_draw (da, &update_rect);
+ break;
+
+ case TBOX_DRAW_EVENT:
+ /* We have a small event to draw...no text */
+ gdk_draw_rectangle (pm, da->style->black_gc, FALSE,
+ x, y - 1, 3, 3);
+ /* NOTE FALLTHROUGH */
+ case TBOX_GETRECT_EVENT:
+ update_rect.x = x;
+ update_rect.y = y - 1;
+ update_rect.width = 4;
+ update_rect.height = 4;
+ if (function == TBOX_DRAW_EVENT)
+ gtk_widget_draw (da, &update_rect);
+ break;
+
+
+ case TBOX_DRAW_PLAIN:
+
+ gdk_draw_string (pm, g_font, da->style->black_gc,
+ x + 1, y - 1, (const gchar *)s);
+ /* NOTE FALLTHROUGH */
+ case TBOX_GETRECT_PLAIN:
+ update_rect.x = x;
+ update_rect.y = y -(ascent+descent+1);
+ update_rect.width = width;
+ update_rect.height = ascent + descent;
+ if (function == TBOX_DRAW_PLAIN)
+ gtk_widget_draw (da, &update_rect);
+ break;
+
+ case TBOX_PRINT_BOXED:
+ update_rect.x = x;
+ update_rect.y = y -(ascent+descent+3);
+ update_rect.width = width + 3;
+ update_rect.height = ascent + descent + 4;
+ /* note fallthrough */
+ case TBOX_PRINT_PLAIN:
+ return(tbox_print(s, x, y, function, &update_rect));
+
+ case TBOX_PRINT_EVENT:
+ /* We have a small event box to print...no text */
+ update_rect.x = x;
+ update_rect.y = y - 1;
+ update_rect.width = 4;
+ update_rect.height = 4;
+ return(tbox_print(s, x, y, function, &update_rect));
+ }
+ return(&update_rect);
+}
+
+/****************************************************************************
+* line
+*
+* For lines there is a primitive batching facility, that doesn't update
+* the drawing area until the batch is complete. This is handy for drawing
+* the pid axis and for summary mode.
+*
+* line_batch_mode contains the state for this:
+*
+* BATCH_OFF: no batching, update for every line
+* BATCH_NEW: just entered a batch, so initialize the area to update from
+* scratch
+* BATCH_EXISTING: have drawn at least one line in batch mode, so the update
+* area should only be expanded from now on to include the
+* union of the "rectangular hull" of all lines
+****************************************************************************/
+
+static enum { BATCH_OFF, BATCH_NEW, BATCH_EXISTING } line_batch_mode;
+static int line_batch_count;
+static int line_minx, line_miny, line_maxx, line_maxy;
+
+void line_batch_start (void)
+{
+ line_batch_mode = BATCH_NEW;
+ line_batch_count = 0;
+}
+
+void line_batch_end (void)
+{
+ GdkRectangle update_rect;
+ if (line_batch_count > 0) {
+ update_rect.x = line_minx;
+ update_rect.y = line_miny;
+ update_rect.width = (line_maxx - line_minx) + 1;
+ update_rect.height = (line_maxy - line_miny) + 1;
+ gtk_widget_draw (da, &update_rect);
+ }
+ line_batch_mode = BATCH_OFF;
+}
+
+void line (int x1, int y1, int x2, int y2, enum view1_line_fn function)
+{
+ GdkRectangle update_rect;
+ GdkGC *gc = NULL;
+
+ switch(function) {
+ case LINE_DRAW_BLACK:
+ gc = da->style->black_gc;
+ break;
+
+ case LINE_DRAW_WHITE:
+ gc = da->style->white_gc;
+ break;
+
+ case LINE_PRINT:
+ line_print (x1, y1, x2, y2);
+ return;
+ }
+
+ gdk_draw_line (pm, gc, x1, y1, x2, y2);
+
+ switch (line_batch_mode) {
+ case BATCH_OFF:
+ update_rect.x = x1;
+ update_rect.y = y1;
+ update_rect.width = (x2-x1) + 1;
+ update_rect.height = (y2-y1) + 1;
+ gtk_widget_draw (da, &update_rect);
+ break;
+
+ case BATCH_NEW:
+ line_minx = x1;
+ line_maxx = x2;
+ line_miny = y1;
+ line_maxy = y2;
+ line_batch_mode = BATCH_EXISTING;
+ line_batch_count = 1;
+ break;
+
+ case BATCH_EXISTING:
+ if (line_minx > x1)
+ line_minx = x1;
+ if (line_miny > y1)
+ line_miny = y1;
+ if (line_maxx < x2)
+ line_maxx = x2;
+ if (line_maxy < y2)
+ line_maxy = y2;
+ line_batch_count++;
+ break;
+ }
+}
+
+
+/****************************************************************************
+* display_pid_axis
+****************************************************************************/
+
+static void display_pid_axis(v1_geometry_t *vp)
+{
+ int y, i, label_tick;
+ int last_printed_y = -vp->strip_height;
+ pid_sort_t *pp;
+ int pid_index;
+ char *label_fmt;
+ char tmpbuf [128];
+
+ /* No pids yet? Outta here */
+ if (g_pids == NULL)
+ return;
+
+ line_batch_start();
+
+ for (i = 0; i < vp->npids; i++) {
+ pid_index = vp->first_pid_index + i;
+ if (pid_index >= g_npids)
+ break;
+
+ set_color(pid_index);
+ pp = (g_pids + pid_index);
+
+ label_fmt = get_track_label(pp->pid_value);
+ snprintf(tmpbuf, sizeof(tmpbuf)-1, label_fmt, pp->pid_value);
+
+ y = i*vp->strip_height + vp->pid_ax_offset;
+
+ /*
+ * Have we incremented enough space to have another label not
+ * overlap the previous label?
+ */
+ if (y - last_printed_y > 9) {
+ /* Draw label */
+ tbox(tmpbuf, 0, y +4, TBOX_DRAW_PLAIN+s_print_offset);
+
+ last_printed_y = y;
+
+ /*
+ * And let the line stick out a bit more to indicate this label
+ * relates to the following line.
+ */
+ label_tick = 4;
+ }
+ else {
+ label_tick = 0;
+ }
+
+ /* Draw axis line, but only if the lines aren't too close together */
+ if (vp->strip_height > 4) {
+ line(vp->pid_ax_width - label_tick, y+4*s_print_offset,
+ vp->total_width, y+4*s_print_offset,
+ LINE_DRAW_BLACK+s_print_offset);
+ }
+ }
+
+ set_color(COLOR_DEFAULT);
+ line_batch_end();
+}
+
+/****************************************************************************
+* view1_read_events_callback
+* New event data just showed up, reset a few things.
+****************************************************************************/
+
+void view1_read_events_callback(void)
+{
+ int max_vis_index;
+
+ s_v1->first_pid_index = 0;
+
+ max_vis_index = 300;
+ if (max_vis_index > g_nevents)
+ max_vis_index = g_nevents-1;
+
+ s_v1->minvistime = 0LL;
+ s_v1->maxvistime = (g_events[g_nevents - 1].time * 9)/ 8;
+ s_srchindex = 0;
+ s_srchcode = 0;
+ s_last_selected_event = 0;
+
+ init_track_colors();
+
+ recompute_hscrollbar();
+ recompute_vscrollbar();
+}
+
+/****************************************************************************
+* display_event_data
+****************************************************************************/
+
+static void display_event_data(v1_geometry_t *vp)
+{
+ int start_index;
+ int pid_index;
+ int x, y;
+ event_t *ep;
+ event_def_t *edp;
+ double time_per_pixel;
+ char tmpbuf[1024];
+ GdkRectangle *print_rect;
+ int *last_x_used;
+
+ /* Happens if one loads the event def header first, for example. */
+ if (g_nevents == 0)
+ return;
+
+ time_per_pixel = dtime_per_pixel(vp);
+
+ start_index = find_event_index (vp->minvistime);
+
+ /* Scrolled too far right? */
+ if (start_index >= g_nevents)
+ return;
+
+ ep = (g_events + start_index);
+
+ if (s_print_offset || summary_mode) {
+ last_x_used = (int *)g_malloc0(vp->npids * sizeof(int));
+ } else {
+ last_x_used = NULL;
+ }
+
+ line_batch_start();
+
+ while (ep < (g_events + g_nevents) &&
+ (ep->time < vp->maxvistime)) {
+ pid_index = ep->pid->pid_index;
+ set_color(pid_index);
+
+ /* First filter: pid out of range */
+ if ((pid_index < vp->first_pid_index) ||
+ (pid_index >= vp->first_pid_index + vp->npids)) {
+ ep++;
+ continue;
+ }
+
+ /* Second filter: event hidden */
+ edp = find_event_definition (ep->code);
+ if (!edp->selected) {
+ ep++;
+ continue;
+ }
+
+ /* Display it... */
+
+ pid_index -= vp->first_pid_index;
+
+ y = pid_index*vp->strip_height + vp->event_offset;
+
+ x = vp->pid_ax_width +
+ (int)(((double)(ep->time - vp->minvistime)) / time_per_pixel);
+
+ if (last_x_used != NULL && x < last_x_used[pid_index]) {
+ ep++;
+ continue;
+ }
+
+ if (ep->flags & (EVENT_FLAG_SELECT | EVENT_FLAG_SEARCHRSLT)) {
+ if (ep->flags & EVENT_FLAG_SELECT) {
+ format_popbox_string(tmpbuf, sizeof(tmpbuf), ep, edp);
+#ifdef NOTDEF
+ sprintf(tmpbuf, edp->name);
+ sprintf(tmpbuf+strlen(tmpbuf), ": ");
+ sprintf(tmpbuf+strlen(tmpbuf), edp->format, ep->datum);
+#endif
+ } else {
+ sprintf(tmpbuf, "SEARCH RESULT");
+ }
+ print_rect = tbox(tmpbuf, x, y - vp->pop_offset,
+ TBOX_DRAW_BOXED+s_print_offset);
+ line(x, y-vp->pop_offset, x, y, LINE_DRAW_BLACK+s_print_offset);
+ if (last_x_used != NULL)
+ last_x_used[pid_index] = x + print_rect->width;
+ }
+ if (summary_mode) {
+ int delta = vp->strip_height / 3;
+ if (delta < 1)
+ delta = 1;
+ y = pid_index*vp->strip_height + vp->pid_ax_offset;
+ line(x, y - delta, x, y + delta, LINE_DRAW_BLACK);
+ last_x_used[pid_index] = x + 1;
+ } else {
+ sprintf(tmpbuf, "%ld", ep->code);
+ print_rect = tbox(tmpbuf, x, y, TBOX_DRAW_EVENT+s_print_offset);
+ if (last_x_used != NULL)
+ last_x_used[pid_index] = x + print_rect->width;
+ }
+
+ ep++;
+ }
+ if (last_x_used)
+ g_free(last_x_used);
+ line_batch_end();
+ set_color(COLOR_DEFAULT);
+}
+
+/****************************************************************************
+* display_clear
+****************************************************************************/
+
+static void display_clear(void)
+{
+ GdkRectangle update_rect;
+
+ gdk_draw_rectangle (pm, da->style->white_gc, TRUE,
+ 0, 0, da->allocation.width,
+ da->allocation.height);
+
+ update_rect.x = 0;
+ update_rect.y = 0;
+ update_rect.width = da->allocation.width;
+ update_rect.height = da->allocation.height;
+
+ gtk_widget_draw (da, &update_rect);
+}
+
+/****************************************************************************
+* display_time_axis
+****************************************************************************/
+
+static void display_time_axis(v1_geometry_t *vp)
+{
+ int x, y, i;
+ int xoffset, nticks;
+ char tmpbuf [128];
+ double unit_divisor;
+ double time;
+ char *units;
+ double time_per_pixel;
+
+ y = vp->npids * vp->strip_height + vp->pid_ax_offset;
+
+ x = vp->pid_ax_width;
+
+ nticks = (vp->total_width - vp->pid_ax_width) / vp->time_ax_spacing;
+
+ time_per_pixel = dtime_per_pixel(vp);
+
+ units = "ns";
+ unit_divisor = 1.00;
+
+ if ((vp->maxvistime / unit_divisor) > 1000) {
+ units = "us";
+ unit_divisor = 1000.00;
+ }
+
+ if ((vp->maxvistime / unit_divisor) > 1000) {
+ units = "ms";
+ unit_divisor = 1000.00*1000.00;
+ }
+ if ((vp->maxvistime / unit_divisor) > 1000) {
+ units = "s";
+ unit_divisor = 1000.00*1000.00*1000.00;
+ }
+
+ /* Draw line */
+ line(x, y, vp->total_width, y, LINE_DRAW_BLACK+s_print_offset);
+
+ xoffset = 0;
+
+ for (i = 0; i < nticks; i++) {
+ /* Tick mark */
+ line(x+xoffset, y-3, x+xoffset, y+3, LINE_DRAW_BLACK+s_print_offset);
+
+ time = (double)(x + xoffset - vp->pid_ax_width);
+ time *= time_per_pixel;
+ time += (double)(vp->minvistime);
+ time /= unit_divisor;
+
+ sprintf (tmpbuf, "%.2f%s", time, units);
+
+ tbox(tmpbuf, x+xoffset, y+15, TBOX_DRAW_PLAIN+s_print_offset);
+
+ xoffset += vp->time_ax_spacing;
+ }
+}
+
+/****************************************************************************
+* clear_scoreboard
+* Forget about any temporary displays, they're gone now...
+****************************************************************************/
+
+static void clear_scoreboard(void)
+{
+ s_result_up = FALSE;
+}
+
+/****************************************************************************
+* view1_display
+****************************************************************************/
+
+void view1_display(void)
+{
+ display_clear();
+ display_pid_axis(s_v1);
+ display_event_data(s_v1);
+ display_time_axis(s_v1);
+ clear_scoreboard();
+}
+
+static gint idle_tag;
+
+/****************************************************************************
+* view1_display_eventually
+****************************************************************************/
+
+static void view1_display_eventually(void)
+{
+ gtk_idle_remove(idle_tag);
+ idle_tag = 0;
+ view1_display();
+}
+
+
+/****************************************************************************
+* view1_display_when_idle
+****************************************************************************/
+
+void view1_display_when_idle(void)
+{
+ if (idle_tag == 0) {
+ idle_tag = gtk_idle_add((GtkFunction) view1_display_eventually, 0);
+ }
+}
+
+/****************************************************************************
+* view1_about
+****************************************************************************/
+
+void view1_about (char *tmpbuf)
+{
+ int nsnaps;
+ snapshot_t *snaps;
+
+ sprintf(tmpbuf+strlen(tmpbuf), "Minvistime %lld\nMaxvistime %lld\n",
+ s_v1->minvistime, s_v1->maxvistime);
+ sprintf(tmpbuf+strlen(tmpbuf), "Strip Height %d\n",
+ s_v1->strip_height);
+
+ for (nsnaps = 0, snaps = s_snapshots; snaps; snaps = snaps->next) {
+ nsnaps++;
+ }
+ sprintf(tmpbuf+strlen(tmpbuf), "%d snapshots in the ring\n", nsnaps);
+}