/* This file is part of the Linux Trace Toolkit viewer
* Copyright (C) 2003-2004 Mathieu Desnoyers and XangXiu Yang
+ * 2005 Mathieu Desnoyers
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License Version 2 as
*
* Authors : Mathieu Desnoyers and XangXiu Yang, June to December 2003
* Inspired from original LTT, made by Karim Yaghmour
+ *
+ * Mostly rewritten by Mathieu Desnoyers, August 2005.
*/
#ifdef HAVE_CONFIG_H
gint num_visible_events;
LttvTracesetContextPosition *currently_selected_position;
+ gboolean update_cursor; /* Speed optimisation : do not update cursor when
+ unnecessary */
LttvTracesetContextPosition *first_event; /* Time of the first event shown */
LttvTracesetContextPosition *last_event; /* Time of the first event shown */
+ LttvFilter *main_win_filter;
+
} EventViewerData ;
/** hook functions for update time interval, current time ... */
gboolean update_current_position(void * hook_data, void * call_data);
//gboolean show_event_detail(void * hook_data, void * call_data);
gboolean traceset_changed(void * hook_data, void * call_data);
+gboolean filter_changed(void * hook_data, void * call_data);
//! Event Viewer's constructor hook
GtkWidget *h_gui_events(Tab *tab);
update_current_position,event_viewer_data);
lttvwindow_register_traceset_notify(tab,
traceset_changed,event_viewer_data);
+ lttvwindow_register_filter_notify(tab,
+ filter_changed, event_viewer_data);
event_viewer_data->scroll_win = gtk_scrolled_window_new (NULL, NULL);
gtk_widget_show (event_viewer_data->scroll_win);
event_viewer_data->last_event =
lttv_traceset_context_position_new(tsc);
+ event_viewer_data->main_win_filter = NULL;
+
+ event_viewer_data->update_cursor = TRUE;
+
/* Create a model for storing the data list */
event_viewer_data->store_m = gtk_list_store_new (
N_COLUMNS, /* Total number of columns */
EventViewerData *event_viewer_data = (EventViewerData*)data;
g_debug("move cursor cb");
- gtk_tree_view_get_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v),
- &path, NULL);
- if(path == NULL)
- {
+ //gtk_tree_view_get_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v),
+ // &path, NULL);
+ //if(path == NULL)
+ //{
/* No prior cursor, put it at beginning of page
* and let the execution do */
+ // path = gtk_tree_path_new_from_indices(0, -1);
+ // gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v),
+ // path, NULL, FALSE);
+ //}
+
+ //indices = gtk_tree_path_get_indices(path);
+
+ //value = gtk_adjustment_get_value(event_viewer_data->vadjust_c);
+
+ /* If no prior position... */
+ if(ltt_time_compare(
+ lttv_traceset_context_position_get_time(
+ event_viewer_data->currently_selected_position),
+ ltt_time_infinite) == 0) {
+
path = gtk_tree_path_new_from_indices(0, -1);
gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v),
path, NULL, FALSE);
+
+ gtk_tree_path_free(path);
+ return;
+
}
- indices = gtk_tree_path_get_indices(path);
-
- value = gtk_adjustment_get_value(event_viewer_data->vadjust_c);
g_debug("tree view move cursor : arg1 is %u and arg2 is %d",
(guint)arg1, arg2);
+
+ switch(arg1) {
+ case GTK_MOVEMENT_DISPLAY_LINES:
+ if(arg2 == 1) {
+ /* Move one line down */
+ if(event_viewer_data->pos->len > 0) {
+ LttvTracesetContextPosition *end_pos =
+ (LttvTracesetContextPosition*)g_ptr_array_index(
+ event_viewer_data->pos,
+ event_viewer_data->pos->len - 1);
+ if(lttv_traceset_context_pos_pos_compare(end_pos,
+ event_viewer_data->currently_selected_position) == 0) {
+ /* Must get down one event and select the last one */
+ gtk_tree_selection_unselect_all(gtk_tree_view_get_selection(
+ GTK_TREE_VIEW(event_viewer_data->tree_v)));
+ event_viewer_data->update_cursor = FALSE;
+ gtk_adjustment_set_value(event_viewer_data->vadjust_c,
+ gtk_adjustment_get_value(event_viewer_data->vadjust_c) + 1);
+ event_viewer_data->update_cursor = TRUE;
+ path = gtk_tree_path_new_from_indices(
+ event_viewer_data->pos->len - 1, -1);
+ gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v),
+ path, NULL, FALSE);
+ gtk_tree_path_free(path);
+ }
+#if 0
+ GtkTreePath *path = gtk_tree_path_new_from_indices(i, -1);
+ gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v),
+ path, NULL, FALSE);
+ gtk_tree_path_free(path);
+#endif //0
+ }
+
+ } else {
+ if(event_viewer_data->pos->len > 0) {
+ /* Move one line up */
+ LttvTracesetContextPosition *begin_pos =
+ (LttvTracesetContextPosition*)g_ptr_array_index(
+ event_viewer_data->pos,
+ 0);
+ if(lttv_traceset_context_pos_pos_compare(begin_pos,
+ event_viewer_data->currently_selected_position) == 0) {
+ /* Must get up one event and select the first one */
+ gtk_tree_selection_unselect_all(gtk_tree_view_get_selection(
+ GTK_TREE_VIEW(event_viewer_data->tree_v)));
+ event_viewer_data->update_cursor = FALSE;
+ gtk_adjustment_set_value(event_viewer_data->vadjust_c,
+ gtk_adjustment_get_value(event_viewer_data->vadjust_c) - 1);
+ event_viewer_data->update_cursor = TRUE;
+ path = gtk_tree_path_new_from_indices(
+ 0, -1);
+ gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v),
+ path, NULL, FALSE);
+ gtk_tree_path_free(path);
+ }
+ }
+ }
+ break;
+ case GTK_MOVEMENT_PAGES:
+ if(arg2 == 1) {
+ /* Move one page down */
+ if(event_viewer_data->pos->len > 0) {
+ LttvTracesetContextPosition *end_pos =
+ (LttvTracesetContextPosition*)g_ptr_array_index(
+ event_viewer_data->pos,
+ event_viewer_data->pos->len - 1);
+ if(lttv_traceset_context_pos_pos_compare(end_pos,
+ event_viewer_data->currently_selected_position) == 0) {
+ /* Must get down one page and select the last one */
+ gtk_tree_selection_unselect_all(gtk_tree_view_get_selection(
+ GTK_TREE_VIEW(event_viewer_data->tree_v)));
+
+ event_viewer_data->update_cursor = FALSE;
+ gtk_adjustment_set_value(event_viewer_data->vadjust_c,
+ gtk_adjustment_get_value(event_viewer_data->vadjust_c) + 2);
+ event_viewer_data->update_cursor = TRUE;
+
+ path = gtk_tree_path_new_from_indices(
+ event_viewer_data->pos->len - 1, -1);
+ gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v),
+ path, NULL, FALSE);
+ gtk_tree_path_free(path);
+
+ }
+ }
+
+ } else {
+ /* Move one page up */
+ if(event_viewer_data->pos->len > 0) {
+ LttvTracesetContextPosition *begin_pos =
+ (LttvTracesetContextPosition*)g_ptr_array_index(
+ event_viewer_data->pos,
+ 0);
+ if(lttv_traceset_context_pos_pos_compare(begin_pos,
+ event_viewer_data->currently_selected_position) == 0) {
+ /* Must get up one page and select the first one */
+ gtk_tree_selection_unselect_all(gtk_tree_view_get_selection(
+ GTK_TREE_VIEW(event_viewer_data->tree_v)));
+
+ event_viewer_data->update_cursor = FALSE;
+ gtk_adjustment_set_value(event_viewer_data->vadjust_c,
+ gtk_adjustment_get_value(event_viewer_data->vadjust_c) - 2);
+ event_viewer_data->update_cursor = TRUE;
+
+ path = gtk_tree_path_new_from_indices(
+ 0, -1);
+ gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v),
+ path, NULL, FALSE);
+ gtk_tree_path_free(path);
+ }
+ }
+
+ }
+ break;
+ default:
+ break;
+ }
+
+ //gtk_tree_path_free(path);
#if 0
if(arg1 == GTK_MOVEMENT_DISPLAY_LINES)
}
}
#endif //0
- gtk_tree_path_free(path);
}
void tree_v_cursor_changed_cb (GtkWidget *widget, gpointer data)
g_debug("cursor changed cb");
-#if 0
/* On cursor change, modify the currently selected event by calling
* the right API function */
tree_v_get_cursor(event_viewer_data);
}else{
g_warning("Can not get iter\n");
}
-#endif //0
}
{
g_debug("tree sel changed cb");
EventViewerData *event_viewer_data = (EventViewerData*) data;
-
+#if 0
/* Set the cursor to currently selected event */
GtkTreeModel* model = GTK_TREE_MODEL(event_viewer_data->store_m);
GtkTreeIter iter;
}
gtk_tree_path_free(tree_path);
}
+#endif //0
}
/* There is nothing in the list : simply seek to the time value. */
lttv_state_traceset_seek_time_closest((LttvTracesetState*)tsc,
time);
+ lttv_process_traceset_middle(tsc, time, G_MAXUINT,
+ NULL);
}
/* Note that, as we mess with the tsc position, this function CANNOT be called
if(relative_position > 0) {
guint count;
count = lttv_process_traceset_seek_n_forward(tsc, relative_position,
- lttvwindow_get_filter(event_viewer_data->tab));
+ event_viewer_data->main_win_filter);
} else if(relative_position < 0) {
guint count;
+
+ /* Get an idea of currently shown event dispersion */
+ LttTime first_event_time =
+ lttv_traceset_context_position_get_time(event_viewer_data->first_event);
+ LttTime last_event_time =
+ lttv_traceset_context_position_get_time(event_viewer_data->last_event);
+ LttTime time_diff = ltt_time_sub(last_event_time, first_event_time);
+ if(ltt_time_compare(time_diff, ltt_time_zero) == 0)
+ time_diff = seek_back_default_offset;
count = lttv_process_traceset_seek_n_backward(tsc, abs(relative_position),
- seek_back_default_offset, lttv_process_traceset_seek_time,
- lttvwindow_get_filter(event_viewer_data->tab));
+ time_diff,
+ (seek_time_fct)lttv_state_traceset_seek_time_closest,
+ event_viewer_data->main_win_filter);
} /* else 0 : do nothing : we are already at the beginning position */
lttv_traceset_context_position_destroy(pos);
+
+ /* Save the first event position */
+ lttv_traceset_context_position_save(tsc, event_viewer_data->first_event);
+
+ time = lttv_traceset_context_position_get_time(
+ event_viewer_data->first_event);
+ LttTime time_val = ltt_time_sub(time,
+ tsc->time_span.start_time);
+ event_viewer_data->previous_value = ltt_time_to_double(time_val);
+
+ lttv_state_traceset_seek_time_closest((LttvTracesetState*)tsc, time);
+ lttv_process_traceset_middle(tsc, ltt_time_infinite, G_MAXUINT,
+ event_viewer_data->first_event);
+
} else {
/* Seek by time */
lttv_state_traceset_seek_time_closest((LttvTracesetState*)tsc,
time);
+ lttv_process_traceset_middle(tsc, time, G_MAXUINT,
+ NULL);
+ LttTime time_val = ltt_time_sub(time,
+ tsc->time_span.start_time);
+ event_viewer_data->previous_value = ltt_time_to_double(time_val);
+ lttv_traceset_context_position_save(tsc, event_viewer_data->first_event);
}
/* Clear the model (don't forget to free the TCS positions!) */
}
g_ptr_array_set_size(event_viewer_data->pos, 0);
- /* Save the first event position */
- lttv_traceset_context_position_save(tsc, event_viewer_data->first_event);
-
- time = ltt_time_sub(
- lttv_traceset_context_position_get_time(event_viewer_data->first_event),
- tsc->time_span.start_time);
- event_viewer_data->previous_value = ltt_time_to_double(time);
/* Mathieu :
- * I make the choice not to use the mainwindow lttvwindow API here : it will
- * be faster to read the events ourself from lttv_process_traceset_middle, as
- * we are already at the right read position. It would be costier to use the
- * seek time closest for nothing, as we only have few events to read.
+ * I make the choice not to use the mainwindow lttvwindow API here : the idle
+ * loop might have a too low priority, and we want good update while
+ * scrolling.
*/
- /* FIXME : use seek time closest and middle to have a good state. */
-
+
lttv_process_traceset_begin(tsc,
NULL, NULL, NULL, event_viewer_data->event_hooks, NULL);
lttv_process_traceset_end(tsc,
NULL, NULL, NULL, event_viewer_data->event_hooks, NULL);
- /* Get the end position time */
+ /* Get the end position */
if(event_viewer_data->pos->len > 0) {
LttvTracesetContextPosition *cur_pos =
(LttvTracesetContextPosition*)g_ptr_array_index(event_viewer_data->pos,
gtk_adjustment_set_value(event_viewer_data->vadjust_c,
event_viewer_data->previous_value);
- g_signal_emit_by_name(G_OBJECT (event_viewer_data->select_c),
- "changed");
+ //g_signal_emit_by_name(G_OBJECT (event_viewer_data->select_c),
+ // "changed");
return;
LttvTracefileContext *tfc = (LttvTracefileContext*)call_data;
LttEvent *e = ltt_tracefile_get_event(tfc->tf);
- LttvFilter *filter = lttvwindow_get_filter(event_viewer_data->tab);
+ LttvFilter *filter = event_viewer_data->main_win_filter;
if(filter != NULL && filter->head != NULL)
if(!lttv_filter_tree_parse(filter->head,e,tfc->tf,
tfc->t_context->t,tfc))
g_string_free(desc, TRUE);
- if(event_viewer_data->pos->len >= event_viewer_data->num_visible_events)
+ if(event_viewer_data->update_cursor) {
+ if(lttv_traceset_context_pos_pos_compare(pos,
+ event_viewer_data->currently_selected_position) == 0) {
+ GtkTreePath *path = gtk_tree_path_new_from_indices(
+ event_viewer_data->pos->len - 1, -1);
+ gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v),
+ path, NULL, FALSE);
+ gtk_tree_path_free(path);
+ }
+ }
+
+ if(event_viewer_data->pos->len >= event_viewer_data->num_visible_events -1 )
return TRUE;
else
return FALSE;
+static void event_update_selection(EventViewerData *event_viewer_data)
+{
+ guint i;
+ GPtrArray *positions = event_viewer_data->pos;
+
+ for(i=0;i<positions->len;i++) {
+ LttvTracesetContextPosition *cur_pos =
+ (LttvTracesetContextPosition*)g_ptr_array_index(positions, i);
+ if(lttv_traceset_context_pos_pos_compare(cur_pos,
+ event_viewer_data->currently_selected_position) == 0) {
+ GtkTreePath *path = gtk_tree_path_new_from_indices(i, -1);
+ gtk_tree_view_set_cursor(GTK_TREE_VIEW(event_viewer_data->tree_v),
+ path, NULL, FALSE);
+ gtk_tree_path_free(path);
+ }
+ }
+}
+
gboolean update_current_time(void * hook_data, void * call_data)
{
const LttTime * current_time = (LttTime*)call_data;
LttvTracesetContext * tsc =
lttvwindow_get_traceset_context(event_viewer_data->tab);
+ GtkTreePath *path;
/* If the currently selected event time != current time, set the first event
* with this time as currently selected. */
||
lttv_traceset_context_pos_pos_compare(
event_viewer_data->currently_selected_position,
- event_viewer_data->last_event) > 0)
+ event_viewer_data->last_event) > 0) {
gtk_adjustment_set_value(event_viewer_data->vadjust_c, new_value);
-
+ } else {
+ /* Simply update the current time : it is in the list */
+ event_update_selection(event_viewer_data);
+ }
+
return FALSE;
}
time = ltt_time_sub(time, tsc->time_span.start_time);
double new_value = ltt_time_to_double(time);
gtk_adjustment_set_value(event_viewer_data->vadjust_c, new_value);
+ } else {
+ /* Simply update the current time : it is in the list */
+ event_update_selection(event_viewer_data);
}
}
end = ltt_time_sub(time_span.end_time, time_span.start_time);
event_viewer_data->vadjust_c->upper = ltt_time_to_double(end);
- g_signal_emit_by_name(event_viewer_data->vadjust_c, "value-changed");
+
+ /* Reset the positions */
+ lttv_traceset_context_position_destroy(
+ event_viewer_data->currently_selected_position);
+ lttv_traceset_context_position_destroy(
+ event_viewer_data->first_event);
+ lttv_traceset_context_position_destroy(
+ event_viewer_data->last_event);
+
+ event_viewer_data->currently_selected_position =
+ lttv_traceset_context_position_new(tsc);
+ event_viewer_data->first_event =
+ lttv_traceset_context_position_new(tsc);
+ event_viewer_data->last_event =
+ lttv_traceset_context_position_new(tsc);
+
+ get_events(event_viewer_data->vadjust_c->value, event_viewer_data);
// event_viewer_data->vadjust_c->value = 0;
return FALSE;
}
+gboolean filter_changed(void * hook_data, void * call_data)
+{
+ EventViewerData *event_viewer_data = (EventViewerData*) hook_data;
+ LttvTracesetContext * tsc =
+ lttvwindow_get_traceset_context(event_viewer_data->tab);
+
+ event_viewer_data->main_win_filter =
+ (LttvFilter*)call_data;
+ get_events(event_viewer_data->vadjust_c->value, event_viewer_data);
+
+ return FALSE;
+}
+
// show_event_detail, event_viewer_data);
lttvwindow_unregister_traceset_notify(tab,
traceset_changed, event_viewer_data);
+ lttvwindow_unregister_filter_notify(tab,
+ filter_changed, event_viewer_data);
g_event_viewer_data_list = g_slist_remove(g_event_viewer_data_list,
event_viewer_data);