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1 /* This file is part of the Linux Trace Toolkit viewer
2 * Copyright (C) 2003-2004 Mathieu Desnoyers
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License Version 2 as
6 * published by the Free Software Foundation;
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20 /* eventhooks.h defines the hooks that are given to processTrace as parameter.
21 * These hooks call the drawing API to draw the information on the screen,
22 * using information from Context, but mostly state (running, waiting...).
26 #ifndef _EVENT_HOOKS_H
27 #define _EVENT_HOOKS_H
30 #include <lttv/mainwindow.h>
33 #include "processlist.h"
38 /* Structure used to store and use information relative to one events refresh
39 * request. Typically filled in by the expose event callback, then passed to the
40 * library call, then used by the drawing hooks. Then, once all the events are
41 * sent, it is freed by the hook called after the reading.
43 typedef struct _EventRequest
45 ControlFlowData
*control_flow_data
;
46 LttTime time_begin
, time_end
;
48 /* Fill the Events_Context during the initial expose, before calling for
51 //GArray Events_Context; //FIXME
58 void send_test_data(ProcessList
*process_list
, Drawing_t
*drawing
);
60 GtkWidget
*h_guicontrolflow(MainWindow
*mw
, LttvTracesetSelector
* s
, char * key
);
62 int event_selected_hook(void *hook_data
, void *call_data
);
64 /* Hook called before drawing. Gets the initial context at the beginning of the
65 * drawing interval and copy it to the context in event_request.
67 int draw_before_hook(void *hook_data
, void *call_data
);
70 * The draw event hook is called by the reading API to have a
71 * particular event drawn on the screen.
72 * @param hook_data ControlFlowData structure of the viewer.
73 * @param call_data Event context.
75 * This function basically draw lines and icons. Two types of lines are drawn :
76 * one small (3 pixels?) representing the state of the process and the second
77 * type is thicker (10 pixels?) representing on which CPU a process is running
78 * (and this only in running state).
80 * Extremums of the lines :
81 * x_min : time of the last event context for this process kept in memory.
82 * x_max : time of the current event.
83 * y : middle of the process in the process list. The process is found in the
84 * list, therefore is it's position in pixels.
86 * The choice of lines'color is defined by the context of the last event for this
89 int draw_event_hook(void *hook_data
, void *call_data
);
91 int draw_after_hook(void *hook_data
, void *call_data
);
93 void draw_closure(gpointer key
, gpointer value
, gpointer user_data
);
95 int after_data_request(void *hook_data
, void *call_data
);
98 gint
update_time_window_hook(void *hook_data
, void *call_data
);
99 gint
update_current_time_hook(void *hook_data
, void *call_data
);
104 #endif // _EVENT_HOOKS_H
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