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Diffstat (limited to 'g2/view1.c')
| -rw-r--r-- | g2/view1.c | 3077 |
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); +} |