1 /* eventhooks.c defines the hooks that are given to processTrace as parameter.
2 * These hooks call the drawing API to draw the information on the screen,
3 * using information from Context, but mostly state (running, waiting...).
11 #include <lttv/mainWindow.h>
14 #include "processlist.h"
19 /* Structure used to store and use information relative to one events refresh
20 * request. Typically filled in by the expose event callback, then passed to the
21 * library call, then used by the drawing hooks. Then, once all the events are
22 * sent, it is freed by the hook called after the reading.
24 typedef struct _EventRequest
26 ControlFlowData
*control_flow_data
;
27 LttTime time_begin
, time_end
;
29 /* Fill the Events_Context during the initial expose, before calling for
32 //GArray Events_Context; //FIXME
39 void send_test_data(ProcessList
*process_list
, Drawing_t
*drawing
);
41 GtkWidget
*h_guicontrolflow(MainWindow
*mw
, LttvTracesetSelector
* s
, char * key
);
43 int event_selected_hook(void *hook_data
, void *call_data
);
45 /* Hook called before drawing. Gets the initial context at the beginning of the
46 * drawing interval and copy it to the context in event_request.
48 int draw_before_hook(void *hook_data
, void *call_data
);
51 * The draw event hook is called by the reading API to have a
52 * particular event drawn on the screen.
53 * @param hook_data ControlFlowData structure of the viewer.
54 * @param call_data Event context.
56 * This function basically draw lines and icons. Two types of lines are drawn :
57 * one small (3 pixels?) representing the state of the process and the second
58 * type is thicker (10 pixels?) representing on which CPU a process is running
59 * (and this only in running state).
61 * Extremums of the lines :
62 * x_min : time of the last event context for this process kept in memory.
63 * x_max : time of the current event.
64 * y : middle of the process in the process list. The process is found in the
65 * list, therefore is it's position in pixels.
67 * The choice of lines'color is defined by the context of the last event for this
70 int draw_event_hook(void *hook_data
, void *call_data
);
72 int draw_after_hook(void *hook_data
, void *call_data
);
74 void draw_closure(gpointer key
, gpointer value
, gpointer user_data
);
76 int after_data_request(void *hook_data
, void *call_data
);
79 gint
update_time_window_hook(void *hook_data
, void *call_data
);
80 gint
update_current_time_hook(void *hook_data
, void *call_data
);
85 #endif // _EVENT_HOOKS_H
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