* Integrated to LTTng by Mathieu Desnoyers, June 2003
*/
+#include <math.h>
+
#include <glib.h>
#include <gmodule.h>
#include <gtk/gtk.h>
GtkWidget *Tree_V;
GtkAdjustment *VTree_Adjust_C ;
GdkWindow *TreeWindow ;
-
+
/* Vertical scrollbar and it's adjustment */
GtkWidget *VScroll_VC;
GtkAdjustment *VAdjust_C ;
/* Selection handler */
GtkTreeSelection *Select_C;
- guint Visible_Events;
+ guint Num_Visible_Events;
+ guint First_Event, Last_Event;
} EventViewerData ;
static void v_scroll_cb (GtkAdjustment *adjustment, gpointer data);
static void Tree_V_size_allocate_cb (GtkWidget *widget, GtkAllocation *alloc, gpointer data);
static void Tree_V_size_request_cb (GtkWidget *widget, GtkRequisition *requisition, gpointer data);
+static void Tree_V_cursor_changed_cb (GtkWidget *widget, gpointer data);
+static void Tree_V_move_cursor_cb (GtkWidget *widget, GtkMovementStep arg1, gint arg2, gpointer data);
+static void get_test_data(guint Event_Number, guint List_Height,
+ EventViewerData *Event_Viewer_Data);
void add_test_data(EventViewerData *Event_Viewer_Data);
/* TEST DATA, TO BE READ FROM THE TRACE */
static int Number_Of_Events = 1000;
-//FIXME: use the size of the widget to get number of rows.
-static int Number_Of_Rows = 50 ;
-//FIXME
-static int Cell_Height = 52;
-
/**
* plugin's init function
*
GtkTreeViewColumn *column;
GtkCellRenderer *renderer;
EventViewerData* Event_Viewer_Data = g_new(EventViewerData,1) ;
-
+
+
/* Create a model for storing the data list */
Event_Viewer_Data->Store_M = gtk_list_store_new (N_COLUMNS, /* Total number of columns */
G_TYPE_INT, /* CPUID */
/* Create the viewer widget for the columned list */
Event_Viewer_Data->Tree_V = gtk_tree_view_new_with_model (GTK_TREE_MODEL (Event_Viewer_Data->Store_M));
-
+
g_signal_connect (G_OBJECT (Event_Viewer_Data->Tree_V), "size-allocate",
G_CALLBACK (Tree_V_size_allocate_cb),
Event_Viewer_Data);
G_CALLBACK (Tree_V_size_request_cb),
Event_Viewer_Data);
+ g_signal_connect (G_OBJECT (Event_Viewer_Data->Tree_V), "cursor-changed",
+ G_CALLBACK (Tree_V_cursor_changed_cb),
+ Event_Viewer_Data);
+ g_signal_connect (G_OBJECT (Event_Viewer_Data->Tree_V), "move-cursor",
+ G_CALLBACK (Tree_V_move_cursor_cb),
+ Event_Viewer_Data);
// Use on each column!
//gtk_tree_view_column_set_sizing(Event_Viewer_Data->Tree_V, GTK_TREE_VIEW_COLUMN_FIXED);
gtk_tree_selection_set_mode (Event_Viewer_Data->Select_C, GTK_SELECTION_SINGLE);
g_signal_connect (G_OBJECT (Event_Viewer_Data->Select_C), "changed",
G_CALLBACK (tree_selection_changed_cb),
- NULL);
+ Event_Viewer_Data);
Event_Viewer_Data->HBox_V = gtk_hbox_new(0, 0);
gtk_box_pack_start(GTK_BOX(Event_Viewer_Data->HBox_V), Event_Viewer_Data->Tree_V, TRUE, TRUE, 0);
/* Add the object's information to the module's array */
g_slist_append(sEvent_Viewer_Data_List, Event_Viewer_Data);
+ Event_Viewer_Data->First_Event = -1 ;
+ Event_Viewer_Data->Last_Event = 0 ;
+
+ Event_Viewer_Data->Num_Visible_Events = 1;
+
/* Test data */
- add_test_data(Event_Viewer_Data);
+ get_test_data((int)Event_Viewer_Data->VAdjust_C->value,
+ Event_Viewer_Data->Num_Visible_Events,
+ Event_Viewer_Data);
return Event_Viewer_Data;
}
-void v_scroll_cb (GtkAdjustment *adjustment, gpointer data)
+void Tree_V_move_cursor_cb (GtkWidget *widget, GtkMovementStep arg1, gint arg2, gpointer data)
+{
+ GtkTreePath *path; // = gtk_tree_path_new();
+ gint *indices;
+ gdouble value;
+ EventViewerData *Event_Viewer_Data = (EventViewerData*)data;
+
+ 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);
+
+ g_critical("DEBUG : move cursor step : %u , int : %i , indice : %i", (guint)arg1, arg2, indices[0]) ;
+
+ value = gtk_adjustment_get_value(Event_Viewer_Data->VAdjust_C);
+
+ if(arg1 == GTK_MOVEMENT_DISPLAY_LINES)
+ {
+ /* Move one line */
+ if(arg2 == 1)
+ {
+ /* move one line down */
+ if(indices[0] == Event_Viewer_Data->Num_Visible_Events - 1)
+ {
+ if(value + Event_Viewer_Data->Num_Visible_Events <= Number_Of_Events -1)
+ {
+ g_critical("need 1 event down") ;
+ gtk_adjustment_set_value(Event_Viewer_Data->VAdjust_C, value+1);
+ gtk_tree_path_free(path);
+ path = gtk_tree_path_new_from_indices(Event_Viewer_Data->Num_Visible_Events-1, -1);
+ gtk_tree_view_set_cursor(GTK_TREE_VIEW(Event_Viewer_Data->Tree_V), path, NULL, FALSE);
+ g_signal_stop_emission_by_name(G_OBJECT(widget), "move-cursor");
+ }
+ }
+ } else {
+ /* Move one line up */
+ if(indices[0] == 0)
+ {
+ if(value - 1 >= 0 )
+ {
+ g_critical("need 1 event up") ;
+ gtk_adjustment_set_value(Event_Viewer_Data->VAdjust_C, value-1);
+ gtk_tree_path_free(path);
+ 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);
+ g_signal_stop_emission_by_name(G_OBJECT(widget), "move-cursor");
+ }
+
+ }
+ }
+
+ }
+
+ if(arg1 == GTK_MOVEMENT_PAGES)
+ {
+ /* Move one page */
+ if(arg2 == 1)
+ {
+ if(Event_Viewer_Data->Num_Visible_Events == 1)
+ value += 1 ;
+ /* move one page down */
+ if(value + Event_Viewer_Data->Num_Visible_Events-1 <= Number_Of_Events )
+ {
+ g_critical("need 1 page down") ;
+
+ gtk_adjustment_set_value(Event_Viewer_Data->VAdjust_C,
+ value+(Event_Viewer_Data->Num_Visible_Events-1));
+ gtk_tree_path_free(path);
+ 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);
+ g_signal_stop_emission_by_name(G_OBJECT(widget), "move-cursor");
+ }
+ } else {
+ /* Move one page up */
+ if(Event_Viewer_Data->Num_Visible_Events == 1)
+ value -= 1 ;
+
+ if(indices[0] < Event_Viewer_Data->Num_Visible_Events - 2 )
+ {
+ if(value - (Event_Viewer_Data->Num_Visible_Events-1) >= 0)
+ {
+ g_critical("need 1 page up") ;
+
+
+ gtk_adjustment_set_value(Event_Viewer_Data->VAdjust_C,
+ value-(Event_Viewer_Data->Num_Visible_Events-1));
+ gtk_tree_path_free(path);
+ 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);
+ g_signal_stop_emission_by_name(G_OBJECT(widget), "move-cursor");
+
+ }
+ }
+ }
+
+ }
+
+ if(arg1 == GTK_MOVEMENT_BUFFER_ENDS)
+ {
+ /* Move to the ends of the buffer */
+ if(arg2 == 1)
+ {
+ /* move end of buffer */
+ g_critical("End of buffer") ;
+ gtk_adjustment_set_value(Event_Viewer_Data->VAdjust_C, Number_Of_Events-Event_Viewer_Data->Num_Visible_Events);
+ gtk_tree_path_free(path);
+ path = gtk_tree_path_new_from_indices(Event_Viewer_Data->Num_Visible_Events-1, -1);
+ gtk_tree_view_set_cursor(GTK_TREE_VIEW(Event_Viewer_Data->Tree_V), path, NULL, FALSE);
+ g_signal_stop_emission_by_name(G_OBJECT(widget), "move-cursor");
+ } else {
+ /* Move beginning of buffer */
+ g_critical("Beginning of buffer") ;
+ gtk_adjustment_set_value(Event_Viewer_Data->VAdjust_C, 0);
+ gtk_tree_path_free(path);
+ 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);
+ g_signal_stop_emission_by_name(G_OBJECT(widget), "move-cursor");
+ }
+
+ }
+
+
+
+ gtk_tree_path_free(path);
+
+}
+
+void Tree_V_cursor_changed_cb (GtkWidget *widget, gpointer data)
{
- g_critical("DEBUG : scroll signal");
+ g_critical("DEBUG : cursor change");
}
+
+void v_scroll_cb (GtkAdjustment *adjustment, gpointer data)
+{
+ EventViewerData *Event_Viewer_Data = (EventViewerData*)data;
+ g_critical("DEBUG : scroll signal, value : %f", adjustment->value);
+
+ get_test_data((int)adjustment->value, Event_Viewer_Data->Num_Visible_Events,
+ Event_Viewer_Data);
+
+}
+
gint get_cell_height(GtkTreeView *TreeView)
{
gint height, width;
GList *Render_List = gtk_tree_view_column_get_cell_renderers(Column);
GtkCellRenderer *Renderer = g_list_first(Render_List)->data;
- gtk_cell_renderer_get_size(Renderer, GTK_WIDGET(TreeView),
- NULL, NULL, NULL, &width, &height);
+ gtk_tree_view_column_cell_get_size(Column, NULL, NULL, NULL, NULL, &height);
+ g_critical("cell 0 height : %u",height);
return height;
}
{
EventViewerData *Event_Viewer_Data = (EventViewerData*)data;
gint Cell_Height = get_cell_height(GTK_TREE_VIEW(Event_Viewer_Data->Tree_V));
-
+ gint Last_Num_Visible_Events = Event_Viewer_Data->Num_Visible_Events;
+ gdouble Exact_Num_Visible;
+
g_critical("size-allocate");
- Event_Viewer_Data->Visible_Events = ( alloc->height -
+ Exact_Num_Visible = ( alloc->height -
TREE_VIEW_HEADER_HEIGHT (GTK_TREE_VIEW(Event_Viewer_Data->Tree_V)) )
- / Cell_Height ;
- g_critical("number of events shown : %u",Event_Viewer_Data->Visible_Events);
+ / (double)Cell_Height ;
+
+ Event_Viewer_Data->Num_Visible_Events = ceil(Exact_Num_Visible) ;
+
+ g_critical("number of events shown : %u",Event_Viewer_Data->Num_Visible_Events);
+ g_critical("ex number of events shown : %f",Exact_Num_Visible);
Event_Viewer_Data->VAdjust_C->page_increment =
- Event_Viewer_Data->Visible_Events;
+ floor(Exact_Num_Visible);
Event_Viewer_Data->VAdjust_C->page_size =
- Event_Viewer_Data->Visible_Events;
+ floor(Exact_Num_Visible);
+
+ if(Event_Viewer_Data->Num_Visible_Events != Last_Num_Visible_Events)
+ {
+ get_test_data((int)Event_Viewer_Data->VAdjust_C->value,
+ Event_Viewer_Data->Num_Visible_Events,
+ Event_Viewer_Data);
+ }
+
}
}
+void get_test_data(guint Event_Number, guint List_Height,
+ EventViewerData *Event_Viewer_Data)
+{
+ GtkTreeIter iter;
+ int i;
+ GtkTreeModel *model = GTK_TREE_MODEL(Event_Viewer_Data->Store_M);
+ GtkTreePath *Tree_Path;
+ gchar *test_string;
+
+// if(Event_Number > Event_Viewer_Data->Last_Event ||
+// Event_Number + List_Height-1 < Event_Viewer_Data->First_Event ||
+// Event_Viewer_Data->First_Event == -1)
+ {
+ /* no event can be reused, clear and start from nothing */
+ gtk_list_store_clear(Event_Viewer_Data->Store_M);
+ for(i=Event_Number; i<Event_Number+List_Height; i++)
+ {
+ if(i>=Number_Of_Events) break;
+ /* Add a new row to the model */
+ gtk_list_store_append (Event_Viewer_Data->Store_M, &iter);
+ gtk_list_store_set (Event_Viewer_Data->Store_M, &iter,
+ CPUID_COLUMN, 0,
+ EVENT_COLUMN, "event irq",
+ TIME_COLUMN, i,
+ PID_COLUMN, 100,
+ ENTRY_LEN_COLUMN, 17,
+ EVENT_DESCR_COLUMN, "Detailed information",
+ -1);
+ }
+ }
+#ifdef DEBUG //do not use this, it's slower and broken
+// } else {
+ /* Some events will be reused */
+ if(Event_Number < Event_Viewer_Data->First_Event)
+ {
+ /* scrolling up, prepend events */
+ Tree_Path = gtk_tree_path_new_from_indices
+ (Event_Number+List_Height-1 -
+ Event_Viewer_Data->First_Event + 1,
+ -1);
+ for(i=0; i<Event_Viewer_Data->Last_Event-(Event_Number+List_Height-1);
+ i++)
+ {
+ /* Remove the last events from the list */
+ if(gtk_tree_model_get_iter(model, &iter, Tree_Path))
+ gtk_list_store_remove(Event_Viewer_Data->Store_M, &iter);
+ }
+
+ for(i=Event_Viewer_Data->First_Event-1; i>=Event_Number; i--)
+ {
+ if(i>=Number_Of_Events) break;
+ /* Prepend new events */
+ gtk_list_store_prepend (Event_Viewer_Data->Store_M, &iter);
+ gtk_list_store_set (Event_Viewer_Data->Store_M, &iter,
+ CPUID_COLUMN, 0,
+ EVENT_COLUMN, "event irq",
+ TIME_COLUMN, i,
+ PID_COLUMN, 100,
+ ENTRY_LEN_COLUMN, 17,
+ EVENT_DESCR_COLUMN, "Detailed information",
+ -1);
+ }
+ } else {
+ /* Scrolling down, append events */
+ for(i=Event_Viewer_Data->First_Event; i<Event_Number; i++)
+ {
+ /* Remove these events from the list */
+ gtk_tree_model_get_iter_first(model, &iter);
+ gtk_list_store_remove(Event_Viewer_Data->Store_M, &iter);
+ }
+ for(i=Event_Viewer_Data->Last_Event+1; i<Event_Number+List_Height; i++)
+ {
+ if(i>=Number_Of_Events) break;
+ /* Append new events */
+ gtk_list_store_append (Event_Viewer_Data->Store_M, &iter);
+ gtk_list_store_set (Event_Viewer_Data->Store_M, &iter,
+ CPUID_COLUMN, 0,
+ EVENT_COLUMN, "event irq",
+ TIME_COLUMN, i,
+ PID_COLUMN, 100,
+ ENTRY_LEN_COLUMN, 17,
+ EVENT_DESCR_COLUMN, "Detailed information",
+ -1);
+ }
+
+ }
+ }
+#endif //DEBUG
+ Event_Viewer_Data->First_Event = Event_Number ;
+ Event_Viewer_Data->Last_Event = Event_Number+List_Height-1 ;
+
+}
+
void add_test_data(EventViewerData *Event_Viewer_Data)
{
static void
tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data)
{
+ EventViewerData *Event_Viewer_Data = (EventViewerData*)data;
GtkTreeIter iter;
- GtkTreeModel *model;
+ GtkTreeModel *model = GTK_TREE_MODEL(Event_Viewer_Data->Store_M);
gchar *Event;
if (gtk_tree_selection_get_selected (selection, &model, &iter))
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