initial control flow viewer structure rework

[lttv.git] / ltt / branches / poly / lttv / modules / guiControlFlow / Event_Hooks.c

/*****************************************************************************
 *                       Hooks to be called by the main window               *
 *****************************************************************************/

#include <lttv/hook.h>


#include "CFV.h"

/**
 * Event Viewer's constructor hook
 *
 * This constructor is given as a parameter to the menuitem and toolbar button
 * registration. It creates the list.
 * @param pmParentWindow A pointer to the parent window.
 * @return The widget created.
 */
GtkWidget *
hGuiControlFlow(GtkWidget *pmParentWindow)
{
	ControlFlowData* Control_Flow_Data = GuiControlFlow() ;

	return Control_Flow_Data->HBox_V ;
	
}

int Event_Selected_Hook(void *hook_data, void *call_data)
{
	ControlFlowData *Control_Flow_Data = (ControlFlowData*) hook_data;
	guint *Event_Number = (guint*) call_data;

	g_critical("DEBUG : event selected by main window : %u", *Event_Number);
	
//	Control_Flow_Data->Currently_Selected_Event = *Event_Number;
//	Control_Flow_Data->Selected_Event = TRUE ;
	
//	Tree_V_set_cursor(Control_Flow_Data);

}


/* Hook called before drawing. Gets the initial context at the beginning of the
 * drawing interval and copy it to the context in Event_Request.
 */
int Draw_Before_Hook(void *hook_data, void *call_data)
{
	EventRequest *Event_Request = (EventRequest*)hook_data;
	EventsContext Events_Context = (EventsContext*)call_data;
	
	Event_Request->Events_Context = Events_Context;

	return 0;
}

/*
 * The draw event hook is called by the reading API to have a
 * particular event drawn on the screen.
 * @param hook_data ControlFlowData structure of the viewer. 
 * @param call_data Event context.
 *
 * This function basically draw lines and icons. Two types of lines are drawn :
 * one small (3 pixels?) representing the state of the process and the second
 * type is thicker (10 pixels?) representing on which CPU a process is running
 * (and this only in running state).
 *
 * Extremums of the lines :
 * x_min : time of the last event context for this process kept in memory.
 * x_max : time of the current event.
 * y : middle of the process in the process list. The process is found in the
 * list, therefore is it's position in pixels.
 *
 * The choice of lines'color is defined by the context of the last event for this
 * process.
 */
int Draw_Event_Hook(void *hook_data, void *call_data)
{
	EventRequest *Event_Request = (EventRequest*)hook_data;
	
	return 0;
}


int Draw_After_Hook(void *hook_data, void *call_data)
{
	EventRequest *Event_Request = (EventRequest*)hook_data;
	
	g_free(Event_Request);
	return 0;
}