1 /* Event_hooks.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>
13 #include "Process_List.h"
18 /* Structure used to store and use information relative to one events refresh
19 * request. Typically filled in by the expose event callback, then passed to the
20 * library call, then used by the drawing hooks. Then, once all the events are
21 * sent, it is freed by the hook called after the reading.
23 typedef struct _EventRequest
25 ControlFlowData
*Control_Flow_Data
;
26 LttTime time_begin
, time_end
;
27 /* Fill the Events_Context during the initial expose, before calling for
30 //GArray Events_Context; //FIXME
37 void send_test_data(ProcessList
*Process_List
, Drawing_t
*Drawing
);
39 GtkWidget
*h_guicontrolflow(MainWindow
*pmParentWindow
, LttvTracesetSelector
* s
, char * key
);
41 int event_selected_hook(void *hook_data
, void *call_data
);
43 /* Hook called before drawing. Gets the initial context at the beginning of the
44 * drawing interval and copy it to the context in Event_Request.
46 int draw_before_hook(void *hook_data
, void *call_data
);
49 * The draw event hook is called by the reading API to have a
50 * particular event drawn on the screen.
51 * @param hook_data ControlFlowData structure of the viewer.
52 * @param call_data Event context.
54 * This function basically draw lines and icons. Two types of lines are drawn :
55 * one small (3 pixels?) representing the state of the process and the second
56 * type is thicker (10 pixels?) representing on which CPU a process is running
57 * (and this only in running state).
59 * Extremums of the lines :
60 * x_min : time of the last event context for this process kept in memory.
61 * x_max : time of the current event.
62 * y : middle of the process in the process list. The process is found in the
63 * list, therefore is it's position in pixels.
65 * The choice of lines'color is defined by the context of the last event for this
68 int draw_event_hook(void *hook_data
, void *call_data
);
70 int draw_after_hook(void *hook_data
, void *call_data
);
72 void update_time_window_hook(void *hook_data
, void *call_data
);
73 void update_current_time_hook(void *hook_data
, void *call_data
);
78 #endif // _EVENT_HOOKS_H
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