/*
   Copyright (C) 1999-2006 Id Software, Inc. and contributors.
   For a list of contributors, see the accompanying CONTRIBUTORS file.

   This file is part of GtkRadiant.

   GtkRadiant is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   GtkRadiant 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with GtkRadiant; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

//-----------------------------------------------------------------------------
//
// DESCRIPTION:
// main plugin implementation
// texturing tools for Radiant
//

#include "StdAfx.h"

static void dialog_button_callback( GtkWidget *widget, gpointer data ){
	int *loop, *ret;

	auto parent = widget.window();
	loop = (int*)g_object_get_data( G_OBJECT( parent ), "loop" );
	ret = (int*)g_object_get_data( G_OBJECT( parent ), "ret" );

	*loop = 0;
	*ret = gpointer_to_int( data );
}

static gint dialog_delete_callback( GtkWidget *widget, GdkEvent* event, gpointer data ){
	int *loop;

	gtk_widget_hide( widget );
	loop = (int*)g_object_get_data( G_OBJECT( widget ), "loop" );
	*loop = 0;

	return TRUE;
}

int DoMessageBox( const char* lpText, const char* lpCaption, guint32 uType ){
	GtkWidget *w, *vbox, *hbox;
	int mode = ( uType & MB_TYPEMASK ), ret, loop = 1;

	auto window = ui::Window( ui::window_type::TOP );
	window.connect( "delete_event",
						G_CALLBACK( dialog_delete_callback ), NULL );
	window.connect( "destroy",
						G_CALLBACK( gtk_widget_destroy ), NULL );
	gtk_window_set_title( window, lpCaption );
	gtk_container_set_border_width( GTK_CONTAINER( window ), 10 );
	g_object_set_data( G_OBJECT( window ), "loop", &loop );
	g_object_set_data( G_OBJECT( window ), "ret", &ret );
	gtk_widget_realize( window );

	vbox = ui::VBox( FALSE, 10 );
	window.add(vbox);
	vbox.show();

	w = ui::Label( lpText );
	vbox.pack_start( w, FALSE, FALSE, 2 );
	gtk_label_set_justify( GTK_LABEL( w ), GTK_JUSTIFY_LEFT );
	w.show();

	w = gtk_hseparator_new();
	vbox.pack_start( w, FALSE, FALSE, 2 );
	w.show();

	hbox = ui::HBox( FALSE, 10 );
	vbox.pack_start( hbox, FALSE, FALSE, 2 );
	hbox.show();

	if ( mode == MB_OK ) {
		w = ui::Button( "Ok" );
		hbox.pack_start( w, TRUE, TRUE, 0 );
		w.connect( "clicked",
							G_CALLBACK( dialog_button_callback ), GINT_TO_POINTER( IDOK ) );
		gtk_widget_set_can_default( w, true );
		gtk_widget_grab_default( w );
		w.show();
		ret = IDOK;
	}
	else if ( mode ==  MB_OKCANCEL ) {
		w = ui::Button( "Ok" );
		hbox.pack_start( w, TRUE, TRUE, 0 );
		w.connect( "clicked",
							G_CALLBACK( dialog_button_callback ), GINT_TO_POINTER( IDOK ) );
		gtk_widget_set_can_default( w, true );
		gtk_widget_grab_default( w );
		w.show();

		w = ui::Button( "Cancel" );
		hbox.pack_start( w, TRUE, TRUE, 0 );
		w.connect( "clicked",
							G_CALLBACK( dialog_button_callback ), GINT_TO_POINTER( IDCANCEL ) );
		w.show();
		ret = IDCANCEL;
	}
	else if ( mode == MB_YESNOCANCEL ) {
		w = ui::Button( "Yes" );
		hbox.pack_start( w, TRUE, TRUE, 0 );
		w.connect( "clicked",
							G_CALLBACK( dialog_button_callback ), GINT_TO_POINTER( IDYES ) );
		gtk_widget_set_can_default( w, true );
		gtk_widget_grab_default( w );
		w.show();

		w = ui::Button( "No" );
		hbox.pack_start( w, TRUE, TRUE, 0 );
		w.connect( "clicked",
							G_CALLBACK( dialog_button_callback ), GINT_TO_POINTER( IDNO ) );
		w.show();

		w = ui::Button( "Cancel" );
		hbox.pack_start( w, TRUE, TRUE, 0 );
		w.connect( "clicked",
							G_CALLBACK( dialog_button_callback ), GINT_TO_POINTER( IDCANCEL ) );
		w.show();
		ret = IDCANCEL;
	}
	else /* if (mode == MB_YESNO) */
	{
		w = ui::Button( "Yes" );
		hbox.pack_start( w, TRUE, TRUE, 0 );
		w.connect( "clicked",
							G_CALLBACK( dialog_button_callback ), GINT_TO_POINTER( IDYES ) );
		gtk_widget_set_can_default( w, true );
		gtk_widget_grab_default( w );
		w.show();

		w = ui::Button( "No" );
		hbox.pack_start( w, TRUE, TRUE, 0 );
		w.connect( "clicked",
							G_CALLBACK( dialog_button_callback ), GINT_TO_POINTER( IDNO ) );
		w.show();
		ret = IDNO;
	}

	window.show();
	gtk_grab_add( window );

	while ( loop )
		gtk_main_iteration();

	gtk_grab_remove( window );
	gtk_widget_destroy( window );

	return ret;
}

// Radiant function table
_QERFuncTable_1 g_FuncTable;

// plugin name
const char *PLUGIN_NAME = "Q3 Texture Tools";

// commands in the menu
const char *PLUGIN_COMMANDS = "About...;Go...";

// cast to GtkWidget*
void *g_pMainWnd;
IWindow *g_pToolWnd = NULL; // handle to the window
CWindowListener g_Listen;

// plugin interfaces ---------------------------
bool g_bQglInitDone = false;
OpenGLBinding g_QglTable;
bool g_bSelectedFaceInitDone = false;
_QERSelectedFaceTable g_SelectedFaceTable;
bool g_bUITable = false;
_QERUITable g_UITable;

// selected face -------------------------------
// we use this one to commit / read with Radiant
_QERFaceData g_SelectedFaceData;
// g_pSelectedFaceWindings gets allocated with MAX_POINTS_ON_WINDING at plugin startup ( QERPlug_Init )
winding_t               *g_pSelectedFaceWinding = NULL;
const float g_ViewportRatio = 1.2f;
// usefull class to manage the 2D view
C2DView g_2DView;
// control points to move the polygon
CControlPointsManagerBFace g_ControlPointsBFace;
// tells if a face is selected and we have something to render in the TexWindow
bool g_bTexViewReady = false;
// data for texture work
int g_NumPoints;
CtrlPts_t g_WorkWinding;
// reference _QERFaceData we use on Cancel, and for Commit
_QERFaceData g_CancelFaceData;

// patches -------------------------------------
bool g_bPatch = false;
//++timo we use this one to grab selected patchMesh_t
// FIXME: update when there's a real interface to read/write patches
bool g_bSurfaceTableInitDone = false;
_QERAppSurfaceTable g_SurfaceTable;
CControlPointsManagerPatch g_ControlPointsPatch;
// data for texture work
patchMesh_t*            g_pPatch;
// we only use ctrl[][].st in this one
patchMesh_t g_WorkPatch;
// copy of initial g_pPatch for Cancel situation
patchMesh_t g_CancelPatch;

// ---------------------------------------------
// holds the manager we are currently using
CControlPointsManager   *g_pManager = NULL;

// ---------------------------------------------
// globals flags for user preferences
//++timo TODO: this should be retrieved from the Editor's .INI prefs in a dedicated interface
// update camera view during manipulation ?
bool g_bPrefsUpdateCameraView = true;

// misc ----------------------------------------
bool g_bHelp = false;
//++timo FIXME: used to close the plugin window if InitTexView fails
// it's dirty, only use is to prevent infinite loop in DialogProc
bool g_bClosing = false;

const char *PLUGIN_ABOUT = "Texture Tools for Radiant\n\n"
						   "Gtk port by Leonardo Zide (leo@lokigames.com)\n"
						   "Original version by Timothee \"TTimo\" Besset (timo@qeradiant.com)";

extern "C" void* WINAPI QERPlug_GetFuncTable(){
	return &g_FuncTable;
}

const char* QERPlug_Init( void* hApp, void *pWidget ){
	int size;
	GtkWidget* pMainWidget = static_cast<GtkWidget*>( pWidget );

	g_pMainWnd = pMainWidget;
	memset( &g_FuncTable, 0, sizeof( _QERFuncTable_1 ) );
	g_FuncTable.m_nSize = sizeof( _QERFuncTable_1 );
	size = (int)( (winding_t *)0 )->points[MAX_POINTS_ON_WINDING];
	g_pSelectedFaceWinding = (winding_t *)malloc( size );
	memset( g_pSelectedFaceWinding, 0, size );
	return "Texture tools for Radiant";
}

const char* QERPlug_GetName(){
	return (char*)PLUGIN_NAME;
}

const char* QERPlug_GetCommandList(){
	return PLUGIN_COMMANDS;
}

char *TranslateString( char *buf ){
	static char buf2[32768];
	int i, l;
	char  *out;

	l = strlen( buf );
	out = buf2;
	for ( i = 0 ; i < l ; i++ )
	{
		if ( buf[i] == '\n' ) {
			*out++ = '\r';
			*out++ = '\n';
		}
		else{
			*out++ = buf[i];
		}
	}
	*out++ = 0;

	return buf2;
}

// called by InitTexView to fit the view against the bounding box of control points
void FitView( IWindow* hwndDlg, int TexSize[2] ){
	// apply a ratio to get the area we'll draw
	g_2DView.m_Center[0] = 0.5f * ( g_2DView.m_Mins[0] + g_2DView.m_Maxs[0] );
	g_2DView.m_Center[1] = 0.5f * ( g_2DView.m_Mins[1] + g_2DView.m_Maxs[1] );
	g_2DView.m_Mins[0] = g_2DView.m_Center[0] + g_ViewportRatio * ( g_2DView.m_Mins[0] - g_2DView.m_Center[0] );
	g_2DView.m_Mins[1] = g_2DView.m_Center[1] + g_ViewportRatio * ( g_2DView.m_Mins[1] - g_2DView.m_Center[1] );
	g_2DView.m_Maxs[0] = g_2DView.m_Center[0] + g_ViewportRatio * ( g_2DView.m_Maxs[0] - g_2DView.m_Center[0] );
	g_2DView.m_Maxs[1] = g_2DView.m_Center[1] + g_ViewportRatio * ( g_2DView.m_Maxs[1] - g_2DView.m_Center[1] );

	g_2DView.m_rect.left = 0;
	g_2DView.m_rect.top = 0;
	g_2DView.m_rect.bottom = hwndDlg->getHeight();
	g_2DView.m_rect.right = hwndDlg->getWidth();

	// we need to draw this area, now compute a bigger area so the texture scale is the same along X and Y
	// compute box shape in XY space, let's say X <-> S we'll get a ratio for Y:
	if ( !g_bPatch ) {
		g_SelectedFaceTable.m_pfnGetTextureSize( 0, TexSize );
	}
	else
	{
		TexSize[0] = g_pPatch->d_texture->width;
		TexSize[1] = g_pPatch->d_texture->height;
	}
	// we want a texture with the same X / Y ratio
	// compute XY space / window size ratio
	float SSize = (float)fabs( g_2DView.m_Maxs[0] - g_2DView.m_Mins[0] );
	float TSize = (float)fabs( g_2DView.m_Maxs[1] - g_2DView.m_Mins[1] );
	float XSize = TexSize[0] * SSize;
	float YSize = TexSize[1] * TSize;
	float RatioX = XSize / (float)abs( g_2DView.m_rect.left - g_2DView.m_rect.right );
	float RatioY = YSize / (float)abs( g_2DView.m_rect.top - g_2DView.m_rect.bottom );
	if ( RatioX > RatioY ) {
		YSize = (float)abs( g_2DView.m_rect.top - g_2DView.m_rect.bottom ) * RatioX;
		TSize = YSize / (float)TexSize[1];
	}
	else
	{
		XSize = (float)abs( g_2DView.m_rect.left - g_2DView.m_rect.right ) * RatioY;
		SSize = XSize / (float)TexSize[0];
	}
	g_2DView.m_Mins[0] = g_2DView.m_Center[0] - 0.5f * SSize;
	g_2DView.m_Maxs[0] = g_2DView.m_Center[0] + 0.5f * SSize;
	g_2DView.m_Mins[1] = g_2DView.m_Center[1] - 0.5f * TSize;
	g_2DView.m_Maxs[1] = g_2DView.m_Center[1] + 0.5f * TSize;
}

// call this one each time we need to re-init
//++timo TODO: re-init objects state, g_2DView and g_ControlPointsManager
void InitTexView( IWindow* hwndDlg ){
	// size of the texture we are working on
	int TexSize[2];
	g_bTexViewReady = false;
	if ( g_SelectedFaceTable.m_pfnGetSelectedFaceCount() != 0 ) {
		g_SelectedFaceTable.m_pfnGetFaceInfo( 0, &g_SelectedFaceData, g_pSelectedFaceWinding );
		g_bPatch = false;
		int i;
		// we have something selected
		// setup: compute BBox for the winding ( in ST space )
		//++timo FIXME: move this in a C2DView member ? used as well for patches
		g_2DView.m_Mins[0] = +9999.0f; g_2DView.m_Mins[1] = +9999.0f;
		g_2DView.m_Maxs[0] = -9999.0f; g_2DView.m_Maxs[1] = -9999.0f;
		for ( i = 0; i < g_pSelectedFaceWinding->numpoints; i++ )
		{
			if ( g_pSelectedFaceWinding->points[i][3] < g_2DView.m_Mins[0] ) {
				g_2DView.m_Mins[0] = g_pSelectedFaceWinding->points[i][3];
			}
			if ( g_pSelectedFaceWinding->points[i][3] > g_2DView.m_Maxs[0] ) {
				g_2DView.m_Maxs[0] = g_pSelectedFaceWinding->points[i][3];
			}
			if ( g_pSelectedFaceWinding->points[i][4] < g_2DView.m_Mins[1] ) {
				g_2DView.m_Mins[1] = g_pSelectedFaceWinding->points[i][4];
			}
			if ( g_pSelectedFaceWinding->points[i][4] > g_2DView.m_Maxs[1] ) {
				g_2DView.m_Maxs[1] = g_pSelectedFaceWinding->points[i][4];
			}
		}
		// NOTE: FitView will read and init TexSize
		FitView( hwndDlg, TexSize );
		// now init the work tables
		g_NumPoints = g_pSelectedFaceWinding->numpoints;
		for ( i = 0; i < g_NumPoints; i++ )
		{
			g_WorkWinding.data[i][0] = g_pSelectedFaceWinding->points[i][3];
			g_WorkWinding.data[i][1] = g_pSelectedFaceWinding->points[i][4];
		}
		g_ControlPointsBFace.Init( g_NumPoints, &g_WorkWinding, &g_2DView, TexSize, &g_SelectedFaceData, &g_QglTable );
		// init snap-to-grid
		float fTexStep[2];
		fTexStep[0] = 1.0f / float(TexSize[0]);
		fTexStep[1] = 1.0f / float(TexSize[1]);
		g_2DView.SetGrid( fTexStep[0], fTexStep[1] );
		g_pManager = &g_ControlPointsBFace;
		// prepare the "Cancel" data
		memcpy( &g_CancelFaceData, &g_SelectedFaceData, sizeof( _QERFaceData ) );
		// we are done
		g_bTexViewReady = true;
	}
	else if ( g_SurfaceTable.m_pfnAnyPatchesSelected() ) {
		g_pPatch = g_SurfaceTable.m_pfnGetSelectedPatch();
		g_bPatch = true;
		int i,j;
		// compute BBox for all patch points
		g_2DView.m_Mins[0] = +9999.0f; g_2DView.m_Mins[1] = +9999.0f;
		g_2DView.m_Maxs[0] = -9999.0f; g_2DView.m_Maxs[1] = -9999.0f;
		for ( i = 0; i < g_pPatch->width; i++ )
		{
			for ( j = 0; j < g_pPatch->height; j++ )
			{
				if ( g_pPatch->ctrl[i][j].st[0] < g_2DView.m_Mins[0] ) {
					g_2DView.m_Mins[0] = g_pPatch->ctrl[i][j].st[0];
				}
				if ( g_pPatch->ctrl[i][j].st[0] > g_2DView.m_Maxs[0] ) {
					g_2DView.m_Maxs[0] = g_pPatch->ctrl[i][j].st[0];
				}
				if ( g_pPatch->ctrl[i][j].st[1] < g_2DView.m_Mins[1] ) {
					g_2DView.m_Mins[1] = g_pPatch->ctrl[i][j].st[1];
				}
				if ( g_pPatch->ctrl[i][j].st[1] > g_2DView.m_Maxs[1] ) {
					g_2DView.m_Maxs[1] = g_pPatch->ctrl[i][j].st[1];
				}
			}
		}
		FitView( hwndDlg, TexSize );
		// init the work tables
		g_WorkPatch = *g_pPatch;
		g_ControlPointsPatch.Init( &g_WorkPatch, &g_2DView, &g_QglTable, g_pPatch );
		// init snap-to-grid
		float fTexStep[2];
		fTexStep[0] = 1.0f / float(TexSize[0]);
		fTexStep[1] = 1.0f / float(TexSize[1]);
		g_2DView.SetGrid( fTexStep[0], fTexStep[1] );
		g_pManager = &g_ControlPointsPatch;
		// prepare the "cancel" data
		g_CancelPatch = *g_pPatch;
		// we are done
		g_bTexViewReady = true;
	}
}

void Textool_Validate(){
	// validate current situation into the main view
	g_pManager->Commit();
	// for a brush face we have an aditionnal step
	if ( !g_bPatch ) {
		// tell Radiant to update (will also send update windows messages )
		g_SelectedFaceTable.m_pfnSetFaceInfo( 0, &g_SelectedFaceData );
	}
	else
	{
		// ask to rebuild the patch display data
		g_pPatch->bDirty = true;
		// send a repaint to the camera window as well
		g_FuncTable.m_pfnSysUpdateWindows( W_CAMERA );
	}
	// we'll need to update after that as well:
	g_bTexViewReady = false;
	// send a repaint message
	g_pToolWnd->Redraw();
}

void Textool_Cancel(){
	if ( !g_bPatch ) {
		// tell Radiant to update (will also send update windows messages )
		g_SelectedFaceTable.m_pfnSetFaceInfo( 0, &g_CancelFaceData );
	}
	else
	{
		*g_pPatch = g_CancelPatch;
		g_pPatch->bDirty = true;
		g_FuncTable.m_pfnSysUpdateWindows( W_CAMERA );
	}
	// do not call destroy, decref it
	g_pToolWnd->DecRef();
	g_pToolWnd = NULL;
}

static void DoExpose(){
	int i,j;

	g_2DView.PreparePaint();
	g_QglTable.m_pfn_qglColor3f( 1, 1, 1 );
	// draw the texture background
	g_QglTable.m_pfn_qglPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
	if ( !g_bPatch ) {
		g_QglTable.m_pfn_qglBindTexture( GL_TEXTURE_2D, g_SelectedFaceTable.m_pfnGetTextureNumber( 0 ) );
	}
	else
	{
		g_QglTable.m_pfn_qglBindTexture( GL_TEXTURE_2D, g_pPatch->d_texture->texture_number );
	}

	g_QglTable.m_pfn_qglEnable( GL_TEXTURE_2D );
	g_QglTable.m_pfn_qglBegin( GL_QUADS );
	g_QglTable.m_pfn_qglTexCoord2f( g_2DView.m_Mins[0], g_2DView.m_Mins[1] );
	g_QglTable.m_pfn_qglVertex2f( g_2DView.m_Mins[0], g_2DView.m_Mins[1] );
	g_QglTable.m_pfn_qglTexCoord2f( g_2DView.m_Maxs[0], g_2DView.m_Mins[1] );
	g_QglTable.m_pfn_qglVertex2f( g_2DView.m_Maxs[0], g_2DView.m_Mins[1] );
	g_QglTable.m_pfn_qglTexCoord2f( g_2DView.m_Maxs[0], g_2DView.m_Maxs[1] );
	g_QglTable.m_pfn_qglVertex2f( g_2DView.m_Maxs[0], g_2DView.m_Maxs[1] );
	g_QglTable.m_pfn_qglTexCoord2f( g_2DView.m_Mins[0], g_2DView.m_Maxs[1] );
	g_QglTable.m_pfn_qglVertex2f( g_2DView.m_Mins[0], g_2DView.m_Maxs[1] );
	g_QglTable.m_pfn_qglEnd();
	g_QglTable.m_pfn_qglDisable( GL_TEXTURE_2D );

	if ( !g_bPatch ) {
		g_QglTable.m_pfn_qglBegin( GL_LINE_LOOP );
		for ( i = 0; i < g_NumPoints; i++ )
		{
			g_QglTable.m_pfn_qglVertex2f( g_WorkWinding.data[i][0], g_WorkWinding.data[i][1] );
		}
		g_QglTable.m_pfn_qglEnd();
	}
	else
	{
		g_QglTable.m_pfn_qglBegin( GL_LINES );
		for ( i = 0; i < g_pPatch->width; i++ )
			for ( j = 0; j < g_pPatch->height; j++ )
			{
				if ( i < g_pPatch->width - 1 ) {
					g_QglTable.m_pfn_qglVertex2f( g_WorkPatch.ctrl[i][j].st[0], g_WorkPatch.ctrl[i][j].st[1] );
					g_QglTable.m_pfn_qglVertex2f( g_WorkPatch.ctrl[i + 1][j].st[0], g_WorkPatch.ctrl[i + 1][j].st[1] );
				}

				if ( j < g_pPatch->height - 1 ) {
					g_QglTable.m_pfn_qglVertex2f( g_WorkPatch.ctrl[i][j].st[0], g_WorkPatch.ctrl[i][j].st[1] );
					g_QglTable.m_pfn_qglVertex2f( g_WorkPatch.ctrl[i][j + 1].st[0], g_WorkPatch.ctrl[i][j + 1].st[1] );
				}
			}
		g_QglTable.m_pfn_qglEnd();
	}

	// let the control points manager render
	g_pManager->render();
}

static bool CanProcess(){
	if ( !g_bTexViewReady && !g_bClosing ) {
		InitTexView( g_pToolWnd );

		if ( !g_bTexViewReady ) {
			g_bClosing = true;
			DoMessageBox( "You must have brush primitives activated in your project settings and\n"
						  "have a patch or a single face selected to use the TexTool plugin.\n"
						  "See plugins/TexToolHelp for documentation.", "TexTool plugin", MB_ICONERROR | MB_OK );
			// decref, this will destroy
			g_pToolWnd->DecRef();
			g_pToolWnd = NULL;
			return 0;
		}
		else{
			g_bClosing = false;
		}
	}
	else if ( !g_bTexViewReady && g_bClosing ) {
		return 0;
	}

	return 1;
}

#if 0
static void button_press( GtkWidget *widget, GdkEventButton *event, gpointer data ){
	if ( CanProcess() ) {
		switch ( event->button )
		{
		case 1:
			g_pManager->OnLButtonDown( event->x, event->y ); break;
		case 3:
			g_2DView.OnRButtonDown( event->x, event->y ); break;
		}
	}
}

static void button_release( GtkWidget *widget, GdkEventButton *event, gpointer data ){
	if ( CanProcess() ) {
		switch ( event->button )
		{
		case 1:
			g_pManager->OnLButtonUp( event->x, event->y ); break;
		case 3:
			g_2DView.OnRButtonUp( event->x, event->y ); break;
		}
	}
}

static void motion( GtkWidget *widget, GdkEventMotion *event, gpointer data ){
	if ( CanProcess() ) {
		if ( g_2DView.OnMouseMove( event->x, event->y ) ) {
			return;
		}

		if ( g_pManager->OnMouseMove( event->x, event->y ) ) {
			return;
		}
	}
}

static gint expose( GtkWidget *widget, GdkEventExpose *event, gpointer data ){
	if ( event->count > 0 ) {
		return TRUE;
	}

	if ( !CanProcess() ) {
		return TRUE;
	}

	if ( g_bTexViewReady ) {
		g_2DView.m_rect.bottom = widget->allocation.height;
		g_2DView.m_rect.right = widget->allocation.width;

		if ( !g_QglTable.m_pfn_glwidget_make_current( g_pToolWidget ) ) {
			Sys_Printf( "TexTool: glMakeCurrent failed\n" );
			return TRUE;
		}

		DoExpose();

		g_QglTable.m_pfn_glwidget_swap_buffers( g_pToolWidget );
	}

	return TRUE;
}

static gint keypress( GtkWidget* widget, GdkEventKey* event, gpointer data ){
	unsigned int code = gdk_keyval_to_upper( event->keyval );

	if ( code == GDK_Escape ) {
		gtk_widget_destroy( g_pToolWnd );
		g_pToolWnd = NULL;
		return TRUE;
	}

	if ( CanProcess() ) {
		if ( g_2DView.OnKeyDown( code ) ) {
			return FALSE;
		}

		if ( code == GDK_Return ) {
			Textool_Validate();
			return FALSE;
		}
	}

	return TRUE;
}

static gint close( GtkWidget *widget, GdkEvent* event, gpointer data ){
	gtk_widget_destroy( widget );
	g_pToolWnd = NULL;

	return TRUE;
}

static GtkWidget* CreateOpenGLWidget(){
	g_pToolWidget = g_QglTable.m_pfn_glwidget_new( FALSE, g_QglTable.m_pfn_GetQeglobalsGLWidget() );

	gtk_widget_set_events( g_pToolWidget, GDK_DESTROY | GDK_EXPOSURE_MASK | GDK_KEY_PRESS_MASK |
						   GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK );

	// Connect signal handlers
	g_pToolWidget.connect( "expose_event", G_CALLBACK( expose ), NULL );
	g_pToolWidget.connect( "motion_notify_event",
						G_CALLBACK( motion ), NULL );
	g_pToolWidget.connect( "button_press_event",
						G_CALLBACK( button_press ), NULL );
	g_pToolWidget.connect( "button_release_event",
						G_CALLBACK( button_release ), NULL );

	g_pToolWnd.connect( "delete_event", G_CALLBACK( close ), NULL );
	g_pToolWnd.connect( "key_press_event",
						G_CALLBACK( keypress ), NULL );

	return g_pToolWidget;
}
#endif

#if 0
static void DoPaint(){
	if ( !CanProcess() ) {
		return;
	}

	if ( g_bTexViewReady ) {
		g_2DView.m_rect.bottom = g_pToolWnd->getHeight();
		g_2DView.m_rect.right = g_pToolWnd->getWidth();

		// set GL_PROJECTION
		g_2DView.PreparePaint();
		// render the objects
		// the master is not rendered the same way, draw over a unified texture background
		g_2DView.TextureBackground( g_DrawObjects[0].pObject->getTextureNumber() );
		if ( g_nDrawObjects >= 1 ) {
			int i;
			for ( i = 1; i < g_nDrawObjects; i++ )
			{
				// we use a first step to the GL_MODELVIEW for the master object
				// GL_MODELVIEW will be altered in RenderAuxiliary too
				g_DrawObjects[0].pObject->PrepareModelView( g_DrawObjects[i].pTopo );
				g_DrawObjects[i].pObject->RenderAuxiliary();
			}
		}
		// draw the polygon outline and control points
		g_DrawObjects[0].pObject->PrepareModelView( NULL );
		g_DrawObjects[0].pObject->RenderUI();
	}
}
#endif

bool CWindowListener::OnLButtonDown( guint32 nFlags, double x, double y ){
	if ( CanProcess() ) {
		g_pManager->OnLButtonDown( (int)x, (int)y );
		return true;
	}
	return false;
}

bool CWindowListener::OnRButtonDown( guint32 nFlags, double x, double y ){
	if ( CanProcess() ) {
		g_2DView.OnRButtonDown( (int)x, (int)y );
		return true;
	}
	return false;
}

bool CWindowListener::OnLButtonUp( guint32 nFlags, double x, double y ){
	if ( CanProcess() ) {
		g_pManager->OnLButtonUp( (int)x, (int)y );
		return true;
	}
	return false;
}

bool CWindowListener::OnRButtonUp( guint32 nFlags, double x, double y ){
	if ( CanProcess() ) {
		g_2DView.OnRButtonUp( (int)x, (int)y );
		return true;
	}
	return false;
}

bool CWindowListener::OnMouseMove( guint32 nFlags, double x, double y ){
	if ( CanProcess() ) {
		if ( g_2DView.OnMouseMove( (int)x, (int)y ) ) {
			return true;
		}

		g_pManager->OnMouseMove( (int)x, (int)y );
		return true;
	}
	return false;
}

// the widget is closing
void CWindowListener::Close(){
	g_pToolWnd = NULL;
}

bool CWindowListener::Paint(){
	if ( !CanProcess() ) {
		return false;
	}

	if ( g_bTexViewReady ) {
		DoExpose();
	}

	return true;
}

bool CWindowListener::OnKeyPressed( char *s ){
	if ( !strcmp( s,"Escape" ) ) {
		Textool_Cancel();
		return TRUE;
	}
	if ( CanProcess() ) {
		if ( g_2DView.OnKeyDown( s ) ) {
			return TRUE;
		}

		if ( !strcmp( s,"Return" ) ) {
			Textool_Validate();
			return TRUE;
		}
	}
	return FALSE;
}

extern "C" void QERPlug_Dispatch( const char* p, vec3_t vMin, vec3_t vMax, bool bSingleBrush ){
  #if 0
	// if it's the first call, perhaps we need some additional init steps
	if ( !g_bQglInitDone ) {
		g_QglTable.m_nSize = sizeof( OpenGLBinding );
		if ( g_FuncTable.m_pfnRequestInterface( QERQglTable_GUID, static_cast<LPVOID>( &g_QglTable ) ) ) {
			g_bQglInitDone = true;
		}
		else
		{
			Sys_Printf( "TexTool plugin: OpenGLBinding interface request failed\n" );
			return;
		}
	}

	if ( !g_bSelectedFaceInitDone ) {
		g_SelectedFaceTable.m_nSize = sizeof( _QERSelectedFaceTable );
		if ( g_FuncTable.m_pfnRequestInterface( QERSelectedFaceTable_GUID,
												static_cast<LPVOID>( &g_SelectedFaceTable ) ) ) {
			g_bSelectedFaceInitDone = true;
		}
		else
		{
			Sys_Printf( "TexTool plugin: _QERSelectedFaceTable interface request failed\n" );
			return;
		}
	}

	if ( !g_bSurfaceTableInitDone ) {
		g_SurfaceTable.m_nSize = sizeof( _QERAppSurfaceTable );
		if ( g_FuncTable.m_pfnRequestInterface( QERAppSurfaceTable_GUID, static_cast<LPVOID>( &g_SurfaceTable ) ) ) {
			g_bSurfaceTableInitDone = true;
		}
		else
		{
			Sys_Printf( "TexTool plugin: _QERAppSurfaceTable interface request failed\n" );
			return;
		}
	}

	if ( !g_bUITable ) {
		g_UITable.m_nSize = sizeof( _QERUITable );
		if ( g_FuncTable.m_pfnRequestInterface( QERUI_GUID, static_cast<LPVOID>( &g_UITable ) ) ) {
			g_bUITable = true;
		}
		else
		{
			Sys_Printf( "TexTool plugin: _QERUITable interface request failed\n" );
			return;
		}
	}
  #endif

	if ( !strcmp( p, "About..." ) ) {
		DoMessageBox( PLUGIN_ABOUT, "About ...", MB_OK );
	}
	else if ( !strcmp( p, "Go..." ) ) {
		if ( !g_pToolWnd ) {
			g_pToolWnd = g_UITable.m_pfnCreateGLWindow();
			g_pToolWnd->setSizeParm( 300,300 );
			g_pToolWnd->setName( "TexTool" );
			// g_Listener is a static class, we need to bump the refCount to avoid premature release problems
			g_Listen.IncRef();
			// setListener will incRef on the listener too
			g_pToolWnd->setListener( &g_Listen );
			if ( !g_pToolWnd->Show() ) {
				DoMessageBox( "Error creating texture tools window!", "TexTool plugin", MB_ICONERROR | MB_OK );
				return;
			}
		}

		g_bTexViewReady = false;
		g_bClosing = false;
	}
	else if ( !strcmp( p, "Help..." ) ) {
		if ( !g_bHelp ) {
			DoMessageBox( "Select a brush face (ctrl+shift+left mouse) or a patch, and hit Go...\n"
						  "See tutorials for more", "TexTool plugin", MB_OK );
		}
		else{
			DoMessageBox( "Are you kidding me ?", "TexTool plugin", MB_OK );
		}
		g_bHelp = true;
	}
}

// =============================================================================
// SYNAPSE

CSynapseServer* g_pSynapseServer = NULL;
CSynapseClientTexTool g_SynapseClient;

extern "C" CSynapseClient * SYNAPSE_DLL_EXPORT Synapse_EnumerateInterfaces( const char *version, CSynapseServer *pServer ){
	if ( strcmp( version, SYNAPSE_VERSION ) ) {
		Syn_Printf( "ERROR: synapse API version mismatch: should be '" SYNAPSE_VERSION "', got '%s'\n", version );
		return NULL;
	}
	g_pSynapseServer = pServer;
	g_pSynapseServer->IncRef();
	Set_Syn_Printf( g_pSynapseServer->Get_Syn_Printf() );

	g_SynapseClient.AddAPI( PLUGIN_MAJOR, "textool", sizeof( _QERPluginTable ) );
	g_SynapseClient.AddAPI( RADIANT_MAJOR, NULL, sizeof( g_FuncTable ), SYN_REQUIRE, &g_FuncTable );
	g_SynapseClient.AddAPI( QGL_MAJOR, NULL, sizeof( g_QglTable ), SYN_REQUIRE, &g_QglTable );
	g_SynapseClient.AddAPI( SELECTEDFACE_MAJOR, NULL, sizeof( g_SelectedFaceTable ), SYN_REQUIRE, &g_SelectedFaceTable );

	return &g_SynapseClient;
}

bool CSynapseClientTexTool::RequestAPI( APIDescriptor_t *pAPI ){
	if ( !strcmp( pAPI->major_name, PLUGIN_MAJOR ) ) {
		_QERPluginTable *pTable = static_cast<_QERPluginTable*>( pAPI->mpTable );
		pTable->m_pfnQERPlug_Init = QERPlug_Init;
		pTable->m_pfnQERPlug_GetName = QERPlug_GetName;
		pTable->m_pfnQERPlug_GetCommandList = QERPlug_GetCommandList;
		pTable->m_pfnQERPlug_Dispatch = QERPlug_Dispatch;
		return true;
	}

	Syn_Printf( "ERROR: RequestAPI( '%s' ) not found in '%s'\n", pAPI->major_name, GetInfo() );
	return false;
}

const char* CSynapseClientTexTool::GetInfo(){
	return "Texture Tools plugin built " __DATE__ " " RADIANT_VERSION;
}