/* Classic Ladder Project */
/* Copyright (C) 2001-2007 Marc Le Douarain */
/* http://membres.lycos.fr/mavati/classicladder/ */
/* http://www.sourceforge.net/projects/classicladder */
/* May 2001 */
/* --------------------------- */
/* Editor - GTK interface part */
/* --------------------------- */
/* This library is free software; you can redistribute it and/or */
/* modify it under the terms of the GNU Lesser General Public */
/* License as published by the Free Software Foundation; either */
/* version 2.1 of the License, or (at your option) any later version. */

/* This library is distributed in the hope that it will be useful, */
/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU */
/* Lesser General Public License for more details. */

/* You should have received a copy of the GNU Lesser General Public */
/* License along with this library; if not, write to the Free Software */
/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#include <gtk/gtk.h>
#include <stdio.h>
#include "classicladder.h"
#include "global.h"
#include "drawing.h"
#include "edit.h"
#include "classicladder_gtk.h"
#include "edit_gtk.h"
#include "editproperties_gtk.h"

static GtkWidget *EditorButtonOk,*EditorButtonCancel;
static GtkWidget *EditorButtonAdd,*EditorButtonIns,*EditorButtonDel;
static GtkWidget *EditorButtonModify;

#define NBR_ELE_IN_TOOLBAR 50
#define NBR_ELE_TOOLBAR_Y_MAX 15 // used for each GtkTable
#define NBR_ELE_TOOLBAR_X_MAX 4
static GtkWidget * ToolbarBtnRadio[ NBR_ELE_IN_TOOLBAR ];
static GtkWidget * ToolbarImage[ NBR_ELE_IN_TOOLBAR ];
static GdkPixmap * ToolbarPixmap[ NBR_ELE_IN_TOOLBAR ];
#define NUM_TOOLBAR_FOR_RUNGS 0
#define NUM_TOOLBAR_FOR_SEQ 1
static GtkWidget * ToolbarTable[ 2 ];
static int NumWidgetEditPointer[ 2 ];
GtkTooltips * TheTooltips;

#define PIXELS_SIZE_IN_TOOLBAR 32

static short int ToolBarElementsLadder[ ][NBR_ELE_TOOLBAR_X_MAX] =
            { {EDIT_POINTER , EDIT_ERASER, 0 , 0} ,
              {ELE_INPUT , ELE_INPUT_NOT , ELE_RISING_INPUT , ELE_FALLING_INPUT} ,
              {ELE_CONNECTION , EDIT_CNX_WITH_TOP, EDIT_LONG_CONNECTION , 0} ,
              {ELE_TIMER_IEC , ELE_COUNTER , ELE_COMPAR , 0} ,
#ifdef OLD_TIMERS_MONOS_SUPPORT
              {ELE_TIMER , ELE_MONOSTABLE , 0 , 0} ,
#endif
              {ELE_OUTPUT , ELE_OUTPUT_NOT, ELE_OUTPUT_SET , ELE_OUTPUT_RESET} ,
              {ELE_OUTPUT_JUMP, ELE_OUTPUT_CALL , ELE_OUTPUT_OPERATE , 0} ,
              {-1,-1}/*end*/ };
char * ToolBarToolTipsTextLadder[ ][NBR_ELE_TOOLBAR_X_MAX] =
            { { "Object\nSelector", "Eraser", NULL, NULL },
              { "N.O. Input", "N.C. Input", "Rising Edge\n Input", "Falling Edge\n Input" },
              { "Horizontal\nConnection", "Vertical\nConnection", "Long Horizontal\nConnection", NULL },
              { "Timer IEC Block", "Counter Block",  "Variable\nComparison", NULL },
#ifdef OLD_TIMERS_MONOS_SUPPORT
              { "Old Timer Block", "Monostable Block", NULL, NULL },
#endif
              { "N.O. Output", "N.C. Output", "Set Output", "Reset Output" },
              { "Jump Coil", "Call Coil", "Variable\nAssignment", NULL },
              { NULL, NULL, NULL, NULL } };


#ifdef SEQUENTIAL_SUPPORT
#include "drawing_sequential.h"
#include "edit_sequential.h"
static short int ToolBarElementsSequential[ ][NBR_ELE_TOOLBAR_X_MAX] =
            { {EDIT_POINTER , EDIT_ERASER , 0 , 0} ,
              {ELE_SEQ_STEP , EDIT_SEQ_INIT_STEP , 0 , 0} ,
              {ELE_SEQ_TRANSITION , EDIT_SEQ_STEP_AND_TRANS , 0 , 0} ,
              {EDIT_SEQ_START_MANY_TRANS , EDIT_SEQ_END_MANY_TRANS , 0 , 0} ,
              {EDIT_SEQ_START_MANY_STEPS , EDIT_SEQ_END_MANY_STEPS , 0 , 0} ,
              {EDIT_SEQ_LINK , 0 , 0 , 0} ,
              {ELE_SEQ_COMMENT , 0 , 0 , 0} ,
              {-1,-1}/*end*/ };
char * ToolBarToolTipsTextSequential[ ][NBR_ELE_TOOLBAR_X_MAX] =
            { { "Current Object\nSelector", "Eraser", NULL, NULL },
              { "Step", NULL, NULL, NULL },
              { "Transition", NULL, NULL, NULL },
              { NULL, NULL, NULL, NULL },
              { NULL, NULL, NULL, NULL },
              { "Link", NULL, NULL, NULL },
              { "Comment", NULL, NULL, NULL },
              { NULL, NULL, NULL, NULL } };
#endif

GtkWidget *EditWindow;


void ButtonsForStart()
{
	int iCurrentLanguage = SectionArray[ InfosGene->CurrentSection ].Language;
	gtk_widget_hide (EditorButtonAdd);
	gtk_widget_hide (EditorButtonIns);
	gtk_widget_hide (EditorButtonDel);
	gtk_widget_hide (EditorButtonModify);
	gtk_widget_show (EditorButtonOk);
	gtk_widget_show (EditorButtonCancel);
	ShowPropertiesWindow( TRUE );
	// select directly the pointer in toolbar per default...
	EditDatas.NumElementSelectedInToolBar = EDIT_POINTER;
	// ...in rung toolbar
	if ( NumWidgetEditPointer[ NUM_TOOLBAR_FOR_RUNGS ]!=-1 )
	{
		gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(ToolbarBtnRadio[ NumWidgetEditPointer[ NUM_TOOLBAR_FOR_RUNGS ] ]), TRUE );
		gtk_widget_set_sensitive( ToolbarTable[ NUM_TOOLBAR_FOR_RUNGS ], TRUE );
	}
	// ...in sequential toolbar
	if ( NumWidgetEditPointer[ NUM_TOOLBAR_FOR_SEQ ]!=-1 )
	{
		gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(ToolbarBtnRadio[ NumWidgetEditPointer[ NUM_TOOLBAR_FOR_SEQ ] ]), TRUE );
		gtk_widget_set_sensitive( ToolbarTable[ NUM_TOOLBAR_FOR_SEQ ], TRUE );
	}
	MessageInStatusBar( iCurrentLanguage==SECTION_IN_LADDER?"Current rung in edit mode...":"Edit mode..." );
}
void ButtonsForEnd( char ForRung )
{
	if ( ForRung )
	{
		gtk_widget_show (EditorButtonAdd);
		gtk_widget_show (EditorButtonIns);
		gtk_widget_show (EditorButtonDel);
		gtk_widget_set_sensitive( ToolbarTable[ NUM_TOOLBAR_FOR_RUNGS ], FALSE );
	}
	else
	{
		gtk_widget_hide (EditorButtonAdd);
		gtk_widget_hide (EditorButtonIns);
		gtk_widget_hide (EditorButtonDel);
		gtk_widget_set_sensitive( ToolbarTable[ NUM_TOOLBAR_FOR_SEQ ], FALSE );
	}
	gtk_widget_show (EditorButtonModify);
	gtk_widget_hide (EditorButtonOk);
	gtk_widget_hide (EditorButtonCancel);
	ShowPropertiesWindow( FALSE );
	MessageInStatusBar( "" );
}

void EditorButtonsAccordingSectionType( )
{
	int iCurrentLanguage = SectionArray[ InfosGene->CurrentSection ].Language;
	// if under edit, cancel current operation
	if ( EditDatas.ModeEdit )
		ButtonCancelCurrentRung( );
#ifdef SEQUENTIAL_SUPPORT
	if ( iCurrentLanguage==SECTION_IN_SEQUENTIAL )
	{
		gtk_widget_hide( ToolbarTable[ NUM_TOOLBAR_FOR_RUNGS ] );
		gtk_widget_show( ToolbarTable[ NUM_TOOLBAR_FOR_SEQ ] );
	}
    else
	{
		gtk_widget_hide( ToolbarTable[ NUM_TOOLBAR_FOR_SEQ ] );
		gtk_widget_show( ToolbarTable[ NUM_TOOLBAR_FOR_RUNGS ] );
	}
#endif
	MessageInStatusBar( "" );
}

void ButtonAddRung()
{
	AddRung();
	ButtonsForStart();
}
void ButtonInsertRung()
{
	InsertRung();
	ButtonsForStart();
}
void ButtonDeleteCurrentRung()
{
	ShowConfirmationBox("Delete","Do you really want to delete the current rung ?",DeleteCurrentRung);
}
void ButtonModifyCurrentRung()
{
	int iCurrentLanguage = SectionArray[ InfosGene->CurrentSection ].Language;
	if ( iCurrentLanguage==SECTION_IN_LADDER )
	{
		ModifyCurrentRung();
		ButtonsForStart();
	}
#ifdef SEQUENTIAL_SUPPORT
	if ( iCurrentLanguage==SECTION_IN_SEQUENTIAL )
	{
		ModifyCurrentSeqPage();
		ButtonsForStart();
	}
#endif
}
void ButtonOkCurrentRung()
{
	int iCurrentLanguage = SectionArray[ InfosGene->CurrentSection ].Language;
	if ( iCurrentLanguage==SECTION_IN_LADDER )
		ApplyRungEdited();
#ifdef SEQUENTIAL_SUPPORT
	if ( iCurrentLanguage==SECTION_IN_SEQUENTIAL )
		ApplySeqPageEdited();
#endif
	ButtonsForEnd( iCurrentLanguage==SECTION_IN_LADDER );
}
void ButtonCancelCurrentRung()
{
	int iCurrentLanguage = SectionArray[ InfosGene->CurrentSection ].Language;
	if ( iCurrentLanguage==SECTION_IN_LADDER )
		CancelRungEdited();
#ifdef SEQUENTIAL_SUPPORT
	if ( iCurrentLanguage==SECTION_IN_SEQUENTIAL )
		CancelSeqPageEdited();
#endif
	ButtonsForEnd( iCurrentLanguage==SECTION_IN_LADDER );
}

gint EditorWindowDeleteEvent( GtkWidget * widget, GdkEvent * event, gpointer data )
{
	gtk_widget_hide( EditWindow );
	// we do not want that the window be destroyed.
	return TRUE;
}

void OpenEditWindow( void )
{
	if ( !GTK_WIDGET_VISIBLE( EditWindow ) )
	{
		gtk_widget_show (EditWindow);
#ifdef GTK2
		gtk_window_present( GTK_WINDOW(EditWindow) );
#endif
	}
	else
	{
		gtk_widget_hide( EditWindow );
	}
}

void ButtonToolbarSignal( GtkWidget * widget, gpointer data )
{
	EditDatas.NumElementSelectedInToolBar = GPOINTER_TO_INT( data );
}

void InitAllForToolbar( void )
{
	int Search = 0;
	for ( Search=0; Search<NBR_ELE_IN_TOOLBAR; Search++ )
	{
		ToolbarBtnRadio[ Search ] = NULL;
		ToolbarImage[ Search ] = NULL;
		ToolbarPixmap[ Search ] = NULL;
	}
	NumWidgetEditPointer[ NUM_TOOLBAR_FOR_RUNGS ] = -1;
	NumWidgetEditPointer[ NUM_TOOLBAR_FOR_SEQ ] = -1;
}

void CreateOneToolbar( GtkWidget * Box, int NumTable, short int PtrOnToolBarElementsList[][NBR_ELE_TOOLBAR_X_MAX], char * PtrOnToolTipsText[][NBR_ELE_TOOLBAR_X_MAX] )
{
	int CurrentAvail = 0;
	while( ToolbarBtnRadio[ CurrentAvail ]!=NULL && CurrentAvail<NBR_ELE_IN_TOOLBAR )
		CurrentAvail++;
	if ( CurrentAvail<NBR_ELE_IN_TOOLBAR )
	{
		StrElement ToolBarEle;
		int ScanToolBarX,ScanToolBarY;
		GSList * PtrListRadiosBtn = NULL;
		ScanToolBarX = 0;
		ScanToolBarY = 0;
		ToolbarTable[ NumTable ] = gtk_table_new( NBR_ELE_TOOLBAR_X_MAX, NBR_ELE_TOOLBAR_Y_MAX, FALSE/*homogeneous*/ );
		gtk_box_pack_start (GTK_BOX(Box), ToolbarTable[ NumTable ], TRUE, TRUE, 0);
		do
		{
			ToolBarEle.Type = PtrOnToolBarElementsList[ScanToolBarY][ScanToolBarX];
			ToolBarEle.ConnectedWithTop = 0;
			if ( ToolBarEle.Type==EDIT_POINTER )
			{
				if ( PtrOnToolBarElementsList!=ToolBarElementsSequential )
					NumWidgetEditPointer[ NUM_TOOLBAR_FOR_RUNGS ] = CurrentAvail;
				else
					NumWidgetEditPointer[ NUM_TOOLBAR_FOR_SEQ ] = CurrentAvail;
			}

			if ( ToolBarEle.Type!=0 )
			{
				GdkGC * gc = drawing_area->style->bg_gc[0];
				char * pHelpText = PtrOnToolTipsText[ ScanToolBarY ][ ScanToolBarX ];
				ToolbarPixmap[ CurrentAvail ] = gdk_pixmap_new( GDK_DRAWABLE(drawing_area->window), PIXELS_SIZE_IN_TOOLBAR, PIXELS_SIZE_IN_TOOLBAR, -1 );
				gdk_draw_rectangle (GDK_DRAWABLE(ToolbarPixmap[ CurrentAvail ]), gc, TRUE, 0, 0, PIXELS_SIZE_IN_TOOLBAR, PIXELS_SIZE_IN_TOOLBAR);
	
	#ifdef SEQUENTIAL_SUPPORT
				if ( PtrOnToolBarElementsList==ToolBarElementsSequential )
					DrawSeqElementForToolBar(ToolbarPixmap[ CurrentAvail ], 0, 0, PIXELS_SIZE_IN_TOOLBAR, ToolBarEle.Type );
				else
	#endif
					DrawElement(ToolbarPixmap[ CurrentAvail ], 0, 0, PIXELS_SIZE_IN_TOOLBAR, PIXELS_SIZE_IN_TOOLBAR, ToolBarEle, TRUE);
	
				ToolbarImage[ CurrentAvail ] = gtk_image_new_from_pixmap( ToolbarPixmap[ CurrentAvail ], NULL );
				ToolbarBtnRadio[ CurrentAvail ] = gtk_radio_button_new( PtrListRadiosBtn );
				PtrListRadiosBtn = gtk_radio_button_get_group (GTK_RADIO_BUTTON(ToolbarBtnRadio[ CurrentAvail ]));
				gtk_button_set_relief (GTK_BUTTON( ToolbarBtnRadio[ CurrentAvail ] ), GTK_RELIEF_NONE);
				gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON(ToolbarBtnRadio[ CurrentAvail ]), FALSE);
				gtk_container_add( GTK_CONTAINER( ToolbarBtnRadio[ CurrentAvail ] ), ToolbarImage[ CurrentAvail ] );
				gtk_widget_show( ToolbarImage[ CurrentAvail ] );
				gtk_table_attach( GTK_TABLE( ToolbarTable[ NumTable ] ), ToolbarBtnRadio[ CurrentAvail ], 
									ScanToolBarX, ScanToolBarX+1, ScanToolBarY, ScanToolBarY+1,
									0, 0, 0, 0 );

				gtk_signal_connect( GTK_OBJECT (ToolbarBtnRadio[ CurrentAvail ]), "clicked", (GtkSignalFunc) ButtonToolbarSignal, GINT_TO_POINTER((int)ToolBarEle.Type) );

				if (pHelpText!=NULL )
					gtk_tooltips_set_tip (TheTooltips, ToolbarBtnRadio[ CurrentAvail ], pHelpText, NULL);

				gtk_widget_show( ToolbarBtnRadio[ CurrentAvail ] );
				CurrentAvail++;
			}//if ( ToolBarEle.Type!=0 )

			ScanToolBarX++;
			if (ScanToolBarX>=NBR_ELE_TOOLBAR_X_MAX)
			{
				ScanToolBarX = 0;
				ScanToolBarY++;
			}
		}
		while( PtrOnToolBarElementsList[ScanToolBarY][ScanToolBarX]!=-1 );
	}
}


void EditorInitGtk()
{
	GtkWidget *vbox;

	EditWindow = gtk_window_new (GTK_WINDOW_TOPLEVEL);
	gtk_window_set_title ( GTK_WINDOW( EditWindow ), "Editor");

	vbox = gtk_vbox_new (FALSE, 0);
	gtk_container_add (GTK_CONTAINER (EditWindow), vbox);
	gtk_widget_show (vbox);

	EditorButtonAdd = gtk_button_new_with_label ("Add");
	gtk_box_pack_start (GTK_BOX (vbox), EditorButtonAdd, FALSE, FALSE, 0);
	gtk_signal_connect(GTK_OBJECT (EditorButtonAdd), "clicked",
						(GtkSignalFunc) ButtonAddRung, 0);
	gtk_widget_show (EditorButtonAdd);
	EditorButtonIns = gtk_button_new_with_label ("Insert");
	gtk_box_pack_start (GTK_BOX (vbox), EditorButtonIns, FALSE, FALSE, 0);
	gtk_signal_connect(GTK_OBJECT (EditorButtonIns), "clicked",
						(GtkSignalFunc) ButtonInsertRung, 0);
	gtk_widget_show (EditorButtonIns);
	EditorButtonDel = gtk_button_new_with_label ("Delete");
	gtk_box_pack_start (GTK_BOX (vbox), EditorButtonDel, FALSE, FALSE, 0);
	gtk_signal_connect(GTK_OBJECT (EditorButtonDel), "clicked",
						(GtkSignalFunc) ButtonDeleteCurrentRung, 0);
	gtk_widget_show (EditorButtonDel);
	EditorButtonModify = gtk_button_new_with_label ("Modify");
	gtk_box_pack_start (GTK_BOX (vbox), EditorButtonModify, FALSE, FALSE, 0);
	gtk_signal_connect(GTK_OBJECT (EditorButtonModify), "clicked",
						(GtkSignalFunc) ButtonModifyCurrentRung, 0);
	gtk_widget_show (EditorButtonModify);
	EditorButtonOk = gtk_button_new_with_label ("Ok");
	gtk_box_pack_start (GTK_BOX (vbox), EditorButtonOk, FALSE, FALSE, 0);
	gtk_signal_connect(GTK_OBJECT (EditorButtonOk), "clicked",
						(GtkSignalFunc) ButtonOkCurrentRung, 0);
	EditorButtonCancel = gtk_button_new_with_label ("Cancel");
	gtk_box_pack_start (GTK_BOX (vbox), EditorButtonCancel, FALSE, FALSE, 0);
	gtk_signal_connect(GTK_OBJECT (EditorButtonCancel), "clicked",
						(GtkSignalFunc) ButtonCancelCurrentRung, 0);

	InitAllForToolbar( );
	TheTooltips = gtk_tooltips_new();
	/* Rungs elements toolbar */
	CreateOneToolbar( vbox, NUM_TOOLBAR_FOR_RUNGS, ToolBarElementsLadder, ToolBarToolTipsTextLadder );
	gtk_widget_set_sensitive( ToolbarTable[ NUM_TOOLBAR_FOR_RUNGS ], FALSE );
	gtk_widget_show( ToolbarTable[ NUM_TOOLBAR_FOR_RUNGS ] );
	/* Sequential elements toolbar */
#ifdef SEQUENTIAL_SUPPORT
	CreateOneToolbar( vbox, NUM_TOOLBAR_FOR_SEQ, ToolBarElementsSequential, ToolBarToolTipsTextSequential );
	gtk_widget_set_sensitive( ToolbarTable[ NUM_TOOLBAR_FOR_SEQ ], FALSE );
#endif

	gtk_signal_connect( GTK_OBJECT(EditWindow), "delete_event",
		(GtkSignalFunc)EditorWindowDeleteEvent, 0 );

	gtk_window_set_resizable( GTK_WINDOW( EditWindow ), FALSE );
//gtk_widget_show (EditWindow);

	EditDatas.NumElementSelectedInToolBar = -1;
}