/* 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 */
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
}
/* 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);
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);
}
}