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1 /*
2    Copyright (C) 1999-2006 Id Software, Inc. and contributors.
3    For a list of contributors, see the accompanying CONTRIBUTORS file.
4
5    This file is part of GtkRadiant.
6
7    GtkRadiant is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 2 of the License, or
10    (at your option) any later version.
11
12    GtkRadiant is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16
17    You should have received a copy of the GNU General Public License
18    along with GtkRadiant; if not, write to the Free Software
19    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
20  */
21
22 //
23 // XY Window
24 //
25 // Leonardo Zide (leo@lokigames.com)
26 //
27
28 #include "xywindow.h"
29
30 #include "debugging/debugging.h"
31
32 #include "ientity.h"
33 #include "igl.h"
34 #include "ibrush.h"
35 #include "iundo.h"
36 #include "iimage.h"
37 #include "ifilesystem.h"
38 #include "os/path.h"
39 #include "image.h"
40 #include "gtkutil/messagebox.h"
41
42 #include <gtk/gtklabel.h>
43 #include <gtk/gtkmenuitem.h>
44
45 #include "generic/callback.h"
46 #include "string/string.h"
47 #include "stream/stringstream.h"
48
49 #include "scenelib.h"
50 #include "eclasslib.h"
51 #include "renderer.h"
52 #include "moduleobserver.h"
53
54 #include "gtkutil/menu.h"
55 #include "gtkutil/container.h"
56 #include "gtkutil/widget.h"
57 #include "gtkutil/glwidget.h"
58 #include "gtkutil/filechooser.h"
59 #include "gtkmisc.h"
60 #include "select.h"
61 #include "csg.h"
62 #include "brushmanip.h"
63 #include "selection.h"
64 #include "entity.h"
65 #include "camwindow.h"
66 #include "texwindow.h"
67 #include "mainframe.h"
68 #include "preferences.h"
69 #include "commands.h"
70 #include "feedback.h"
71 #include "grid.h"
72 #include "windowobservers.h"
73
74 void LoadTextureRGBA( qtexture_t* q, unsigned char* pPixels, int nWidth, int nHeight );
75
76 // d1223m
77 extern bool g_brush_always_caulk;
78
79 //!\todo Rewrite.
80 class ClipPoint
81 {
82 public:
83 Vector3 m_ptClip;        // the 3d point
84 bool m_bSet;
85
86 ClipPoint(){
87         Reset();
88 };
89 void Reset(){
90         m_ptClip[0] = m_ptClip[1] = m_ptClip[2] = 0.0;
91         m_bSet = false;
92 }
93 bool Set(){
94         return m_bSet;
95 }
96 void Set( bool b ){
97         m_bSet = b;
98 }
99 operator Vector3&()
100 {
101         return m_ptClip;
102 };
103
104 /*! Draw clip/path point with rasterized number label */
105 void Draw( int num, float scale );
106 /*! Draw clip/path point with rasterized string label */
107 void Draw( const char *label, float scale );
108 };
109
110 VIEWTYPE g_clip_viewtype;
111 bool g_bSwitch = true;
112 bool g_clip_useCaulk = false;
113 ClipPoint g_Clip1;
114 ClipPoint g_Clip2;
115 ClipPoint g_Clip3;
116 ClipPoint* g_pMovingClip = 0;
117
118 /* Drawing clip points */
119 void ClipPoint::Draw( int num, float scale ){
120         StringOutputStream label( 4 );
121         label << num;
122         Draw( label.c_str(), scale );
123 }
124
125 void ClipPoint::Draw( const char *label, float scale ){
126         // draw point
127         glPointSize( 4 );
128         glColor3fv( vector3_to_array( g_xywindow_globals.color_clipper ) );
129         glBegin( GL_POINTS );
130         glVertex3fv( vector3_to_array( m_ptClip ) );
131         glEnd();
132         glPointSize( 1 );
133
134         float offset = 2.0f / scale;
135
136         // draw label
137         glRasterPos3f( m_ptClip[0] + offset, m_ptClip[1] + offset, m_ptClip[2] + offset );
138         glCallLists( GLsizei( strlen( label ) ), GL_UNSIGNED_BYTE, label );
139 }
140
141 float fDiff( float f1, float f2 ){
142         if ( f1 > f2 ) {
143                 return f1 - f2;
144         }
145         else{
146                 return f2 - f1;
147         }
148 }
149
150 inline double ClipPoint_Intersect( const ClipPoint& clip, const Vector3& point, VIEWTYPE viewtype, float scale ){
151         int nDim1 = ( viewtype == YZ ) ? 1 : 0;
152         int nDim2 = ( viewtype == XY ) ? 1 : 2;
153         double screenDistanceSquared( vector2_length_squared( Vector2( fDiff( clip.m_ptClip[nDim1], point[nDim1] ) * scale, fDiff( clip.m_ptClip[nDim2], point[nDim2] )  * scale ) ) );
154         if ( screenDistanceSquared < 8 * 8 ) {
155                 return screenDistanceSquared;
156         }
157         return FLT_MAX;
158 }
159
160 inline void ClipPoint_testSelect( ClipPoint& clip, const Vector3& point, VIEWTYPE viewtype, float scale, double& bestDistance, ClipPoint*& bestClip ){
161         if ( clip.Set() ) {
162                 double distance = ClipPoint_Intersect( clip, point, viewtype, scale );
163                 if ( distance < bestDistance ) {
164                         bestDistance = distance;
165                         bestClip = &clip;
166                 }
167         }
168 }
169
170 inline ClipPoint* GlobalClipPoints_Find( const Vector3& point, VIEWTYPE viewtype, float scale ){
171         double bestDistance = FLT_MAX;
172         ClipPoint* bestClip = 0;
173         ClipPoint_testSelect( g_Clip1, point, viewtype, scale, bestDistance, bestClip );
174         ClipPoint_testSelect( g_Clip2, point, viewtype, scale, bestDistance, bestClip );
175         ClipPoint_testSelect( g_Clip3, point, viewtype, scale, bestDistance, bestClip );
176         return bestClip;
177 }
178
179 inline void GlobalClipPoints_Draw( float scale ){
180         // Draw clip points
181         if ( g_Clip1.Set() ) {
182                 g_Clip1.Draw( 1, scale );
183         }
184         if ( g_Clip2.Set() ) {
185                 g_Clip2.Draw( 2, scale );
186         }
187         if ( g_Clip3.Set() ) {
188                 g_Clip3.Draw( 3, scale );
189         }
190 }
191
192 inline bool GlobalClipPoints_valid(){
193         return g_Clip1.Set() && g_Clip2.Set();
194 }
195
196 void PlanePointsFromClipPoints( Vector3 planepts[3], const AABB& bounds, int viewtype ){
197         ASSERT_MESSAGE( GlobalClipPoints_valid(), "clipper points not initialised" );
198         planepts[0] = g_Clip1.m_ptClip;
199         planepts[1] = g_Clip2.m_ptClip;
200         planepts[2] = g_Clip3.m_ptClip;
201         Vector3 maxs( vector3_added( bounds.origin, bounds.extents ) );
202         Vector3 mins( vector3_subtracted( bounds.origin, bounds.extents ) );
203         if ( !g_Clip3.Set() ) {
204                 int n = ( viewtype == XY ) ? 2 : ( viewtype == YZ ) ? 0 : 1;
205                 int x = ( n == 0 ) ? 1 : 0;
206                 int y = ( n == 2 ) ? 1 : 2;
207
208                 if ( n == 1 ) { // on viewtype XZ, flip clip points
209                         planepts[0][n] = maxs[n];
210                         planepts[1][n] = maxs[n];
211                         planepts[2][x] = g_Clip1.m_ptClip[x];
212                         planepts[2][y] = g_Clip1.m_ptClip[y];
213                         planepts[2][n] = mins[n];
214                 }
215                 else
216                 {
217                         planepts[0][n] = mins[n];
218                         planepts[1][n] = mins[n];
219                         planepts[2][x] = g_Clip1.m_ptClip[x];
220                         planepts[2][y] = g_Clip1.m_ptClip[y];
221                         planepts[2][n] = maxs[n];
222                 }
223         }
224 }
225
226 void Clip_Update(){
227         Vector3 planepts[3];
228         if ( !GlobalClipPoints_valid() ) {
229                 planepts[0] = Vector3( 0, 0, 0 );
230                 planepts[1] = Vector3( 0, 0, 0 );
231                 planepts[2] = Vector3( 0, 0, 0 );
232                 Scene_BrushSetClipPlane( GlobalSceneGraph(), Plane3( 0, 0, 0, 0 ) );
233         }
234         else
235         {
236                 AABB bounds( Vector3( 0, 0, 0 ), Vector3( 64, 64, 64 ) );
237                 PlanePointsFromClipPoints( planepts, bounds, g_clip_viewtype );
238                 if ( g_bSwitch ) {
239                         std::swap( planepts[0], planepts[1] );
240                 }
241                 Scene_BrushSetClipPlane( GlobalSceneGraph(), plane3_for_points( planepts[0], planepts[1], planepts[2] ) );
242         }
243         ClipperChangeNotify();
244 }
245
246 const char* Clip_getShader(){
247         return g_clip_useCaulk ? "textures/common/caulk" : TextureBrowser_GetSelectedShader( GlobalTextureBrowser() );
248 }
249
250 void Clip(){
251         if ( ClipMode() && GlobalClipPoints_valid() ) {
252                 Vector3 planepts[3];
253                 AABB bounds( Vector3( 0, 0, 0 ), Vector3( 64, 64, 64 ) );
254                 PlanePointsFromClipPoints( planepts, bounds, g_clip_viewtype );
255                 Scene_BrushSplitByPlane( GlobalSceneGraph(), planepts[0], planepts[1], planepts[2], Clip_getShader(), ( !g_bSwitch ) ? eFront : eBack );
256                 g_Clip1.Reset();
257                 g_Clip2.Reset();
258                 g_Clip3.Reset();
259                 Clip_Update();
260                 ClipperChangeNotify();
261         }
262 }
263
264 void SplitClip(){
265         if ( ClipMode() && GlobalClipPoints_valid() ) {
266                 Vector3 planepts[3];
267                 AABB bounds( Vector3( 0, 0, 0 ), Vector3( 64, 64, 64 ) );
268                 PlanePointsFromClipPoints( planepts, bounds, g_clip_viewtype );
269                 Scene_BrushSplitByPlane( GlobalSceneGraph(), planepts[0], planepts[1], planepts[2], Clip_getShader(), eFrontAndBack );
270                 g_Clip1.Reset();
271                 g_Clip2.Reset();
272                 g_Clip3.Reset();
273                 Clip_Update();
274                 ClipperChangeNotify();
275         }
276 }
277
278 void FlipClip(){
279         g_bSwitch = !g_bSwitch;
280         Clip_Update();
281         ClipperChangeNotify();
282 }
283
284 void OnClipMode( bool enabled ){
285         g_Clip1.Reset();
286         g_Clip2.Reset();
287         g_Clip3.Reset();
288
289         if ( !enabled && g_pMovingClip ) {
290                 g_pMovingClip = 0;
291         }
292
293         Clip_Update();
294         ClipperChangeNotify();
295 }
296
297 bool ClipMode(){
298         return GlobalSelectionSystem().ManipulatorMode() == SelectionSystem::eClip;
299 }
300
301 void NewClipPoint( const Vector3& point ){
302         if ( g_Clip1.Set() == false ) {
303                 g_Clip1.m_ptClip = point;
304                 g_Clip1.Set( true );
305         }
306         else if ( g_Clip2.Set() == false ) {
307                 g_Clip2.m_ptClip = point;
308                 g_Clip2.Set( true );
309         }
310         else if ( g_Clip3.Set() == false ) {
311                 g_Clip3.m_ptClip = point;
312                 g_Clip3.Set( true );
313         }
314         else
315         {
316                 g_Clip1.Reset();
317                 g_Clip2.Reset();
318                 g_Clip3.Reset();
319                 g_Clip1.m_ptClip = point;
320                 g_Clip1.Set( true );
321         }
322
323         Clip_Update();
324         ClipperChangeNotify();
325 }
326
327
328
329 struct xywindow_globals_private_t
330 {
331         bool d_showgrid;
332
333         // these are in the View > Show menu with Show coordinates
334         bool show_names;
335         bool show_coordinates;
336         bool show_angles;
337         bool show_outline;
338         bool show_axis;
339
340         bool d_show_work;
341
342         bool show_blocks;
343         int blockSize;
344
345         bool m_bCamXYUpdate;
346         bool m_bChaseMouse;
347         bool m_bSizePaint;
348
349         xywindow_globals_private_t() :
350                 d_showgrid( true ),
351
352                 show_names( false ),
353                 show_coordinates( true ),
354                 show_angles( true ),
355                 show_outline( false ),
356                 show_axis( true ),
357
358                 d_show_work( false ),
359
360                 show_blocks( false ),
361
362                 m_bCamXYUpdate( true ),
363                 m_bChaseMouse( true ),
364                 m_bSizePaint( true ){
365         }
366
367 };
368
369 xywindow_globals_t g_xywindow_globals;
370 xywindow_globals_private_t g_xywindow_globals_private;
371
372 const unsigned int RAD_NONE =    0x00;
373 const unsigned int RAD_SHIFT =   0x01;
374 const unsigned int RAD_ALT =     0x02;
375 const unsigned int RAD_CONTROL = 0x04;
376 const unsigned int RAD_PRESS   = 0x08;
377 const unsigned int RAD_LBUTTON = 0x10;
378 const unsigned int RAD_MBUTTON = 0x20;
379 const unsigned int RAD_RBUTTON = 0x40;
380
381 inline ButtonIdentifier button_for_flags( unsigned int flags ){
382         if ( flags & RAD_LBUTTON ) {
383                 return c_buttonLeft;
384         }
385         if ( flags & RAD_RBUTTON ) {
386                 return c_buttonRight;
387         }
388         if ( flags & RAD_MBUTTON ) {
389                 return c_buttonMiddle;
390         }
391         return c_buttonInvalid;
392 }
393
394 inline ModifierFlags modifiers_for_flags( unsigned int flags ){
395         ModifierFlags modifiers = c_modifierNone;
396         if ( flags & RAD_SHIFT ) {
397                 modifiers |= c_modifierShift;
398         }
399         if ( flags & RAD_CONTROL ) {
400                 modifiers |= c_modifierControl;
401         }
402         if ( flags & RAD_ALT ) {
403                 modifiers |= c_modifierAlt;
404         }
405         return modifiers;
406 }
407
408 inline unsigned int buttons_for_button_and_modifiers( ButtonIdentifier button, ModifierFlags flags ){
409         unsigned int buttons = 0;
410
411         switch ( button.get() )
412         {
413         case ButtonEnumeration::LEFT: buttons |= RAD_LBUTTON; break;
414         case ButtonEnumeration::MIDDLE: buttons |= RAD_MBUTTON; break;
415         case ButtonEnumeration::RIGHT: buttons |= RAD_RBUTTON; break;
416         }
417
418         if ( bitfield_enabled( flags, c_modifierControl ) ) {
419                 buttons |= RAD_CONTROL;
420         }
421
422         if ( bitfield_enabled( flags, c_modifierShift ) ) {
423                 buttons |= RAD_SHIFT;
424         }
425
426         if ( bitfield_enabled( flags, c_modifierAlt ) ) {
427                 buttons |= RAD_ALT;
428         }
429
430         return buttons;
431 }
432
433 inline unsigned int buttons_for_event_button( GdkEventButton* event ){
434         unsigned int flags = 0;
435
436         switch ( event->button )
437         {
438         case 1: flags |= RAD_LBUTTON; break;
439         case 2: flags |= RAD_MBUTTON; break;
440         case 3: flags |= RAD_RBUTTON; break;
441         }
442
443         if ( ( event->state & GDK_CONTROL_MASK ) != 0 ) {
444                 flags |= RAD_CONTROL;
445         }
446
447         if ( ( event->state & GDK_SHIFT_MASK ) != 0 ) {
448                 flags |= RAD_SHIFT;
449         }
450
451         if ( ( event->state & GDK_MOD1_MASK ) != 0 ) {
452                 flags |= RAD_ALT;
453         }
454
455         return flags;
456 }
457
458 inline unsigned int buttons_for_state( guint state ){
459         unsigned int flags = 0;
460
461         if ( ( state & GDK_BUTTON1_MASK ) != 0 ) {
462                 flags |= RAD_LBUTTON;
463         }
464
465         if ( ( state & GDK_BUTTON2_MASK ) != 0 ) {
466                 flags |= RAD_MBUTTON;
467         }
468
469         if ( ( state & GDK_BUTTON3_MASK ) != 0 ) {
470                 flags |= RAD_RBUTTON;
471         }
472
473         if ( ( state & GDK_CONTROL_MASK ) != 0 ) {
474                 flags |= RAD_CONTROL;
475         }
476
477         if ( ( state & GDK_SHIFT_MASK ) != 0 ) {
478                 flags |= RAD_SHIFT;
479         }
480
481         if ( ( state & GDK_MOD1_MASK ) != 0 ) {
482                 flags |= RAD_ALT;
483         }
484
485         return flags;
486 }
487
488
489 void XYWnd::SetScale( float f ){
490         m_fScale = f;
491         updateProjection();
492         updateModelview();
493         XYWnd_Update( *this );
494 }
495
496 void XYWnd::ZoomIn(){
497         float max_scale = 64;
498         float scale = Scale() * 5.0f / 4.0f;
499         if ( scale > max_scale ) {
500                 if ( Scale() != max_scale ) {
501                         SetScale( max_scale );
502                 }
503         }
504         else
505         {
506                 SetScale( scale );
507         }
508 }
509
510
511 // NOTE: the zoom out factor is 4/5, we could think about customizing it
512 //  we don't go below a zoom factor corresponding to 10% of the max world size
513 //  (this has to be computed against the window size)
514 void XYWnd::ZoomOut(){
515         float min_scale = MIN( Width(), Height() ) / ( 1.1f * ( g_MaxWorldCoord - g_MinWorldCoord ) );
516         float scale = Scale() * 4.0f / 5.0f;
517         if ( scale < min_scale ) {
518                 if ( Scale() != min_scale ) {
519                         SetScale( min_scale );
520                 }
521         }
522         else
523         {
524                 SetScale( scale );
525         }
526 }
527
528 void XYWnd::ZoomInWithMouse( int pointx, int pointy ){
529         float old_scale = Scale();
530         ZoomIn();
531         if ( g_xywindow_globals.m_bImprovedWheelZoom ) {
532                 float scale_diff = 1.0 / old_scale - 1.0 / Scale();
533                 int nDim1 = ( m_viewType == YZ ) ? 1 : 0;
534                 int nDim2 = ( m_viewType == XY ) ? 1 : 2;
535                 Vector3 origin = GetOrigin();
536                 origin[nDim1] += scale_diff * (pointx - 0.5 * Width());
537                 origin[nDim2] -= scale_diff * (pointy - 0.5 * Height());
538                 SetOrigin( origin );
539         }
540 }
541
542 VIEWTYPE GlobalXYWnd_getCurrentViewType(){
543         ASSERT_NOTNULL( g_pParentWnd );
544         ASSERT_NOTNULL( g_pParentWnd->ActiveXY() );
545         return g_pParentWnd->ActiveXY()->GetViewType();
546 }
547
548 // =============================================================================
549 // variables
550
551 bool g_bCrossHairs = false;
552
553 GtkMenu* XYWnd::m_mnuDrop = 0;
554
555 // this is disabled, and broken
556 // http://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=394
557 #if 0
558 void WXY_Print(){
559         long width, height;
560         width = g_pParentWnd->ActiveXY()->Width();
561         height = g_pParentWnd->ActiveXY()->Height();
562         unsigned char* img;
563         const char* filename;
564
565         filename = file_dialog( GTK_WIDGET( MainFrame_getWindow() ), FALSE, "Save Image", 0, FILTER_BMP );
566         if ( !filename ) {
567                 return;
568         }
569
570         g_pParentWnd->ActiveXY()->MakeCurrent();
571         img = (unsigned char*)malloc( width * height * 3 );
572         glReadPixels( 0,0,width,height,GL_RGB,GL_UNSIGNED_BYTE,img );
573
574         FILE *fp;
575         fp = fopen( filename, "wb" );
576         if ( fp ) {
577                 unsigned short bits;
578                 unsigned long cmap, bfSize;
579
580                 bits = 24;
581                 cmap = 0;
582                 bfSize = 54 + width * height * 3;
583
584                 long byteswritten = 0;
585                 long pixoff = 54 + cmap * 4;
586                 short res = 0;
587                 char m1 = 'B', m2 = 'M';
588                 fwrite( &m1, 1, 1, fp );      byteswritten++; // B
589                 fwrite( &m2, 1, 1, fp );      byteswritten++; // M
590                 fwrite( &bfSize, 4, 1, fp );  byteswritten += 4; // bfSize
591                 fwrite( &res, 2, 1, fp );     byteswritten += 2; // bfReserved1
592                 fwrite( &res, 2, 1, fp );     byteswritten += 2; // bfReserved2
593                 fwrite( &pixoff, 4, 1, fp );  byteswritten += 4; // bfOffBits
594
595                 unsigned long biSize = 40, compress = 0, size = 0;
596                 long pixels = 0;
597                 unsigned short planes = 1;
598                 fwrite( &biSize, 4, 1, fp );  byteswritten += 4; // biSize
599                 fwrite( &width, 4, 1, fp );   byteswritten += 4; // biWidth
600                 fwrite( &height, 4, 1, fp );  byteswritten += 4; // biHeight
601                 fwrite( &planes, 2, 1, fp );  byteswritten += 2; // biPlanes
602                 fwrite( &bits, 2, 1, fp );    byteswritten += 2; // biBitCount
603                 fwrite( &compress, 4, 1, fp ); byteswritten += 4; // biCompression
604                 fwrite( &size, 4, 1, fp );    byteswritten += 4; // biSizeImage
605                 fwrite( &pixels, 4, 1, fp );  byteswritten += 4; // biXPelsPerMeter
606                 fwrite( &pixels, 4, 1, fp );  byteswritten += 4; // biYPelsPerMeter
607                 fwrite( &cmap, 4, 1, fp );    byteswritten += 4; // biClrUsed
608                 fwrite( &cmap, 4, 1, fp );    byteswritten += 4; // biClrImportant
609
610                 unsigned long widthDW = ( ( ( width * 24 ) + 31 ) / 32 * 4 );
611                 long row, row_size = width * 3;
612                 for ( row = 0; row < height; row++ )
613                 {
614                         unsigned char* buf = img + row * row_size;
615
616                         // write a row
617                         int col;
618                         for ( col = 0; col < row_size; col += 3 )
619                         {
620                                 putc( buf[col + 2], fp );
621                                 putc( buf[col + 1], fp );
622                                 putc( buf[col], fp );
623                         }
624                         byteswritten += row_size;
625
626                         unsigned long count;
627                         for ( count = row_size; count < widthDW; count++ )
628                         {
629                                 putc( 0, fp ); // dummy
630                                 byteswritten++;
631                         }
632                 }
633
634                 fclose( fp );
635         }
636
637         free( img );
638 }
639 #endif
640
641
642 #include "timer.h"
643
644 Timer g_chasemouse_timer;
645
646 void XYWnd::ChaseMouse(){
647         float multiplier = g_chasemouse_timer.elapsed_msec() / 10.0f;
648         Scroll( float_to_integer( multiplier * m_chasemouse_delta_x ), float_to_integer( multiplier * -m_chasemouse_delta_y ) );
649
650         //globalOutputStream() << "chasemouse: multiplier=" << multiplier << " x=" << m_chasemouse_delta_x << " y=" << m_chasemouse_delta_y << '\n';
651
652         XY_MouseMoved( m_chasemouse_current_x, m_chasemouse_current_y, getButtonState() );
653         g_chasemouse_timer.start();
654 }
655
656 gboolean xywnd_chasemouse( gpointer data ){
657         reinterpret_cast<XYWnd*>( data )->ChaseMouse();
658         return TRUE;
659 }
660
661 inline const int& min_int( const int& left, const int& right ){
662         return std::min( left, right );
663 }
664
665 bool XYWnd::chaseMouseMotion( int pointx, int pointy ){
666         m_chasemouse_delta_x = 0;
667         m_chasemouse_delta_y = 0;
668
669         if ( g_xywindow_globals_private.m_bChaseMouse && getButtonState() == RAD_LBUTTON ) {
670                 const int epsilon = 16;
671
672                 if ( pointx < epsilon ) {
673                         m_chasemouse_delta_x = std::max( pointx, 0 ) - epsilon;
674                 }
675                 else if ( ( pointx - m_nWidth ) > -epsilon ) {
676                         m_chasemouse_delta_x = min_int( ( pointx - m_nWidth ), 0 ) + epsilon;
677                 }
678
679                 if ( pointy < epsilon ) {
680                         m_chasemouse_delta_y = std::max( pointy, 0 ) - epsilon;
681                 }
682                 else if ( ( pointy - m_nHeight ) > -epsilon ) {
683                         m_chasemouse_delta_y = min_int( ( pointy - m_nHeight ), 0 ) + epsilon;
684                 }
685
686                 if ( m_chasemouse_delta_y != 0 || m_chasemouse_delta_x != 0 ) {
687                         //globalOutputStream() << "chasemouse motion: x=" << pointx << " y=" << pointy << "... ";
688                         m_chasemouse_current_x = pointx;
689                         m_chasemouse_current_y = pointy;
690                         if ( m_chasemouse_handler == 0 ) {
691                                 //globalOutputStream() << "chasemouse timer start... ";
692                                 g_chasemouse_timer.start();
693                                 m_chasemouse_handler = g_idle_add( xywnd_chasemouse, this );
694                         }
695                         return true;
696                 }
697                 else
698                 {
699                         if ( m_chasemouse_handler != 0 ) {
700                                 //globalOutputStream() << "chasemouse cancel\n";
701                                 g_source_remove( m_chasemouse_handler );
702                                 m_chasemouse_handler = 0;
703                         }
704                 }
705         }
706         else
707         {
708                 if ( m_chasemouse_handler != 0 ) {
709                         //globalOutputStream() << "chasemouse cancel\n";
710                         g_source_remove( m_chasemouse_handler );
711                         m_chasemouse_handler = 0;
712                 }
713         }
714         return false;
715 }
716
717 // =============================================================================
718 // XYWnd class
719 Shader* XYWnd::m_state_selected = 0;
720
721 void xy_update_xor_rectangle( XYWnd& self, rect_t area ){
722         if ( GTK_WIDGET_VISIBLE( self.GetWidget() ) ) {
723                 rectangle_t rect = rectangle_from_area( area.min, area.max, self.Width(), self.Height() );
724                 int nDim1 = ( self.GetViewType() == YZ ) ? 1 : 0;
725                 int nDim2 = ( self.GetViewType() == XY ) ? 1 : 2;
726                 rect.x /= self.Scale();
727                 rect.y /= self.Scale();
728                 rect.w /= self.Scale();
729                 rect.h /= self.Scale();
730                 rect.x += self.GetOrigin()[nDim1];
731                 rect.y += self.GetOrigin()[nDim2];
732                 self.m_XORRectangle.set( rect );
733         }
734 }
735
736 gboolean xywnd_button_press( GtkWidget* widget, GdkEventButton* event, XYWnd* xywnd ){
737         if ( event->type == GDK_BUTTON_PRESS ) {
738                 g_pParentWnd->SetActiveXY( xywnd );
739
740                 xywnd->ButtonState_onMouseDown( buttons_for_event_button( event ) );
741
742                 xywnd->onMouseDown( WindowVector( event->x, event->y ), button_for_button( event->button ), modifiers_for_state( event->state ) );
743         }
744         return FALSE;
745 }
746
747 gboolean xywnd_button_release( GtkWidget* widget, GdkEventButton* event, XYWnd* xywnd ){
748         if ( event->type == GDK_BUTTON_RELEASE ) {
749                 xywnd->XY_MouseUp( static_cast<int>( event->x ), static_cast<int>( event->y ), buttons_for_event_button( event ) );
750
751                 xywnd->ButtonState_onMouseUp( buttons_for_event_button( event ) );
752         }
753         return FALSE;
754 }
755
756 gboolean xywnd_focus_in( GtkWidget* widget, GdkEventFocus* event, XYWnd* xywnd ){
757         if ( event->type == GDK_FOCUS_CHANGE ) {
758                 if ( event->in ) {
759                         g_pParentWnd->SetActiveXY( xywnd );
760                 }
761         }
762         return FALSE;
763 }
764
765 void xywnd_motion( gdouble x, gdouble y, guint state, void* data ){
766         if ( reinterpret_cast<XYWnd*>( data )->chaseMouseMotion( static_cast<int>( x ), static_cast<int>( y ) ) ) {
767                 return;
768         }
769         reinterpret_cast<XYWnd*>( data )->XY_MouseMoved( static_cast<int>( x ), static_cast<int>( y ), buttons_for_state( state ) );
770 }
771
772 gboolean xywnd_wheel_scroll( GtkWidget* widget, GdkEventScroll* event, XYWnd* xywnd ){
773         if ( event->direction == GDK_SCROLL_UP ) {
774                 xywnd->ZoomInWithMouse( (int)event->x, (int)event->y );
775         }
776         else if ( event->direction == GDK_SCROLL_DOWN ) {
777                 xywnd->ZoomOut();
778         }
779         return FALSE;
780 }
781
782 gboolean xywnd_size_allocate( GtkWidget* widget, GtkAllocation* allocation, XYWnd* xywnd ){
783         xywnd->m_nWidth = allocation->width;
784         xywnd->m_nHeight = allocation->height;
785         xywnd->updateProjection();
786         xywnd->m_window_observer->onSizeChanged( xywnd->Width(), xywnd->Height() );
787         return FALSE;
788 }
789
790 gboolean xywnd_expose( GtkWidget* widget, GdkEventExpose* event, XYWnd* xywnd ){
791         if ( glwidget_make_current( xywnd->GetWidget() ) != FALSE ) {
792                 if ( Map_Valid( g_map ) && ScreenUpdates_Enabled() ) {
793                         GlobalOpenGL_debugAssertNoErrors();
794                         xywnd->XY_Draw();
795                         GlobalOpenGL_debugAssertNoErrors();
796
797                         xywnd->m_XORRectangle.set( rectangle_t() );
798                 }
799                 glwidget_swap_buffers( xywnd->GetWidget() );
800         }
801         return FALSE;
802 }
803
804
805 void XYWnd_CameraMoved( XYWnd& xywnd ){
806         if ( g_xywindow_globals_private.m_bCamXYUpdate ) {
807                 XYWnd_Update( xywnd );
808         }
809 }
810
811 XYWnd::XYWnd() :
812         m_gl_widget( glwidget_new( FALSE ) ),
813         m_deferredDraw( WidgetQueueDrawCaller( *m_gl_widget ) ),
814         m_deferred_motion( xywnd_motion, this ),
815         m_parent( 0 ),
816         m_window_observer( NewWindowObserver() ),
817         m_XORRectangle( m_gl_widget ),
818         m_chasemouse_handler( 0 ){
819         m_bActive = false;
820         m_buttonstate = 0;
821
822         m_bNewBrushDrag = false;
823         m_move_started = false;
824         m_zoom_started = false;
825
826         m_nWidth = 0;
827         m_nHeight = 0;
828
829         m_vOrigin[0] = 0;
830         m_vOrigin[1] = 20;
831         m_vOrigin[2] = 46;
832         m_fScale = 1;
833         m_viewType = XY;
834
835         m_backgroundActivated = false;
836         m_alpha = 1.0f;
837         m_xmin = 0.0f;
838         m_ymin = 0.0f;
839         m_xmax = 0.0f;
840         m_ymax = 0.0f;
841
842         m_entityCreate = false;
843
844         m_mnuDrop = 0;
845
846         GlobalWindowObservers_add( m_window_observer );
847         GlobalWindowObservers_connectWidget( m_gl_widget );
848
849         m_window_observer->setRectangleDrawCallback( ReferenceCaller1<XYWnd, rect_t, xy_update_xor_rectangle>( *this ) );
850         m_window_observer->setView( m_view );
851
852         gtk_widget_ref( m_gl_widget );
853
854         gtk_widget_set_events( m_gl_widget, GDK_DESTROY | GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_SCROLL_MASK );
855         GTK_WIDGET_SET_FLAGS( m_gl_widget, GTK_CAN_FOCUS );
856
857         m_sizeHandler = g_signal_connect( G_OBJECT( m_gl_widget ), "size_allocate", G_CALLBACK( xywnd_size_allocate ), this );
858         m_exposeHandler = g_signal_connect( G_OBJECT( m_gl_widget ), "expose_event", G_CALLBACK( xywnd_expose ), this );
859
860         g_signal_connect( G_OBJECT( m_gl_widget ), "button_press_event", G_CALLBACK( xywnd_button_press ), this );
861         g_signal_connect( G_OBJECT( m_gl_widget ), "button_release_event", G_CALLBACK( xywnd_button_release ), this );
862         g_signal_connect( G_OBJECT( m_gl_widget ), "focus_in_event", G_CALLBACK( xywnd_focus_in ), this );
863         g_signal_connect( G_OBJECT( m_gl_widget ), "motion_notify_event", G_CALLBACK( DeferredMotion::gtk_motion ), &m_deferred_motion );
864
865         g_signal_connect( G_OBJECT( m_gl_widget ), "scroll_event", G_CALLBACK( xywnd_wheel_scroll ), this );
866
867         Map_addValidCallback( g_map, DeferredDrawOnMapValidChangedCaller( m_deferredDraw ) );
868
869         updateProjection();
870         updateModelview();
871
872         AddSceneChangeCallback( ReferenceCaller<XYWnd, &XYWnd_Update>( *this ) );
873         AddCameraMovedCallback( ReferenceCaller<XYWnd, &XYWnd_CameraMoved>( *this ) );
874
875         PressedButtons_connect( g_pressedButtons, m_gl_widget );
876
877         onMouseDown.connectLast( makeSignalHandler3( MouseDownCaller(), *this ) );
878 }
879
880 XYWnd::~XYWnd(){
881         onDestroyed();
882
883         if ( m_mnuDrop != 0 ) {
884                 gtk_widget_destroy( GTK_WIDGET( m_mnuDrop ) );
885                 m_mnuDrop = 0;
886         }
887
888         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_sizeHandler );
889         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_exposeHandler );
890
891         gtk_widget_unref( m_gl_widget );
892
893         m_window_observer->release();
894 }
895
896 void XYWnd::captureStates(){
897         m_state_selected = GlobalShaderCache().capture( "$XY_OVERLAY" );
898 }
899
900 void XYWnd::releaseStates(){
901         GlobalShaderCache().release( "$XY_OVERLAY" );
902 }
903
904 const Vector3& XYWnd::GetOrigin(){
905         return m_vOrigin;
906 }
907
908 void XYWnd::SetOrigin( const Vector3& origin ){
909         m_vOrigin = origin;
910         updateModelview();
911 }
912
913 void XYWnd::Scroll( int x, int y ){
914         int nDim1 = ( m_viewType == YZ ) ? 1 : 0;
915         int nDim2 = ( m_viewType == XY ) ? 1 : 2;
916         m_vOrigin[nDim1] += x / m_fScale;
917         m_vOrigin[nDim2] += y / m_fScale;
918         updateModelview();
919         queueDraw();
920 }
921
922 unsigned int Clipper_buttons(){
923         return RAD_LBUTTON;
924 }
925
926 void XYWnd::DropClipPoint( int pointx, int pointy ){
927         Vector3 point;
928
929         XY_ToPoint( pointx, pointy, point );
930
931         Vector3 mid;
932         Select_GetMid( mid );
933         g_clip_viewtype = static_cast<VIEWTYPE>( GetViewType() );
934         const int nDim = ( g_clip_viewtype == YZ ) ? 0 : ( ( g_clip_viewtype == XZ ) ? 1 : 2 );
935         point[nDim] = mid[nDim];
936         vector3_snap( point, GetSnapGridSize() );
937         NewClipPoint( point );
938 }
939
940 void XYWnd::Clipper_OnLButtonDown( int x, int y ){
941         Vector3 mousePosition;
942         XY_ToPoint( x, y, mousePosition );
943         g_pMovingClip = GlobalClipPoints_Find( mousePosition, (VIEWTYPE)m_viewType, m_fScale );
944         if ( !g_pMovingClip ) {
945                 DropClipPoint( x, y );
946         }
947 }
948
949 void XYWnd::Clipper_OnLButtonUp( int x, int y ){
950         if ( g_pMovingClip ) {
951                 g_pMovingClip = 0;
952         }
953 }
954
955 void XYWnd::Clipper_OnMouseMoved( int x, int y ){
956         if ( g_pMovingClip ) {
957                 XY_ToPoint( x, y, g_pMovingClip->m_ptClip );
958                 XY_SnapToGrid( g_pMovingClip->m_ptClip );
959                 Clip_Update();
960                 ClipperChangeNotify();
961         }
962 }
963
964 void XYWnd::Clipper_Crosshair_OnMouseMoved( int x, int y ){
965         Vector3 mousePosition;
966         XY_ToPoint( x, y, mousePosition );
967         if ( ClipMode() && GlobalClipPoints_Find( mousePosition, (VIEWTYPE)m_viewType, m_fScale ) != 0 ) {
968                 GdkCursor *cursor;
969                 cursor = gdk_cursor_new( GDK_CROSSHAIR );
970                 gdk_window_set_cursor( m_gl_widget->window, cursor );
971                 gdk_cursor_unref( cursor );
972         }
973         else
974         {
975                 gdk_window_set_cursor( m_gl_widget->window, 0 );
976         }
977 }
978
979 unsigned int MoveCamera_buttons(){
980         return RAD_CONTROL | ( g_glwindow_globals.m_nMouseType == ETwoButton ? RAD_RBUTTON : RAD_MBUTTON );
981 }
982
983 void XYWnd_PositionCamera( XYWnd* xywnd, int x, int y, CamWnd& camwnd ){
984         Vector3 origin( Camera_getOrigin( camwnd ) );
985         xywnd->XY_ToPoint( x, y, origin );
986         xywnd->XY_SnapToGrid( origin );
987         Camera_setOrigin( camwnd, origin );
988 }
989
990 unsigned int OrientCamera_buttons(){
991         if ( g_glwindow_globals.m_nMouseType == ETwoButton ) {
992                 return RAD_RBUTTON | RAD_SHIFT | RAD_CONTROL;
993         }
994         return RAD_MBUTTON;
995 }
996
997 void XYWnd_OrientCamera( XYWnd* xywnd, int x, int y, CamWnd& camwnd ){
998         Vector3 point = g_vector3_identity;
999         xywnd->XY_ToPoint( x, y, point );
1000         xywnd->XY_SnapToGrid( point );
1001         vector3_subtract( point, Camera_getOrigin( camwnd ) );
1002
1003         int n1 = ( xywnd->GetViewType() == XY ) ? 1 : 2;
1004         int n2 = ( xywnd->GetViewType() == YZ ) ? 1 : 0;
1005         int nAngle = ( xywnd->GetViewType() == XY ) ? CAMERA_YAW : CAMERA_PITCH;
1006         if ( point[n1] || point[n2] ) {
1007                 Vector3 angles( Camera_getAngles( camwnd ) );
1008                 angles[nAngle] = static_cast<float>( radians_to_degrees( atan2( point[n1], point[n2] ) ) );
1009                 Camera_setAngles( camwnd, angles );
1010         }
1011 }
1012
1013 /*
1014    ==============
1015    NewBrushDrag
1016    ==============
1017  */
1018 unsigned int NewBrushDrag_buttons(){
1019         return RAD_LBUTTON;
1020 }
1021
1022 void XYWnd::NewBrushDrag_Begin( int x, int y ){
1023         m_NewBrushDrag = 0;
1024         m_nNewBrushPressx = x;
1025         m_nNewBrushPressy = y;
1026
1027         m_bNewBrushDrag = true;
1028         GlobalUndoSystem().start();
1029 }
1030
1031 void XYWnd::NewBrushDrag_End( int x, int y ){
1032         if ( m_NewBrushDrag != 0 ) {
1033                 GlobalUndoSystem().finish( "brushDragNew" );
1034         }
1035 }
1036
1037 void XYWnd::NewBrushDrag( int x, int y ){
1038         Vector3 mins, maxs;
1039         XY_ToPoint( m_nNewBrushPressx, m_nNewBrushPressy, mins );
1040         XY_SnapToGrid( mins );
1041         XY_ToPoint( x, y, maxs );
1042         XY_SnapToGrid( maxs );
1043
1044         int nDim = ( m_viewType == XY ) ? 2 : ( m_viewType == YZ ) ? 0 : 1;
1045
1046         mins[nDim] = float_snapped( Select_getWorkZone().d_work_min[nDim], GetSnapGridSize() );
1047         maxs[nDim] = float_snapped( Select_getWorkZone().d_work_max[nDim], GetSnapGridSize() );
1048
1049         if ( maxs[nDim] <= mins[nDim] ) {
1050                 maxs[nDim] = mins[nDim] + GetGridSize();
1051         }
1052
1053         for ( int i = 0 ; i < 3 ; i++ )
1054         {
1055                 if ( mins[i] == maxs[i] ) {
1056                         return; // don't create a degenerate brush
1057                 }
1058                 if ( mins[i] > maxs[i] ) {
1059                         float temp = mins[i];
1060                         mins[i] = maxs[i];
1061                         maxs[i] = temp;
1062                 }
1063         }
1064
1065         if ( m_NewBrushDrag == 0 ) {
1066                 NodeSmartReference node( GlobalBrushCreator().createBrush() );
1067                 Node_getTraversable( Map_FindOrInsertWorldspawn( g_map ) )->insert( node );
1068
1069                 scene::Path brushpath( makeReference( GlobalSceneGraph().root() ) );
1070                 brushpath.push( makeReference( *Map_GetWorldspawn( g_map ) ) );
1071                 brushpath.push( makeReference( node.get() ) );
1072                 selectPath( brushpath, true );
1073
1074                 m_NewBrushDrag = node.get_pointer();
1075         }
1076
1077         // d1223m
1078         //Scene_BrushResize_Selected(GlobalSceneGraph(), aabb_for_minmax(mins, maxs), TextureBrowser_GetSelectedShader(GlobalTextureBrowser()));
1079         Scene_BrushResize_Selected( GlobalSceneGraph(), aabb_for_minmax( mins, maxs ),
1080                                                                 g_brush_always_caulk ?
1081                                                                 "textures/common/caulk" : TextureBrowser_GetSelectedShader( GlobalTextureBrowser() ) );
1082 }
1083
1084 void entitycreate_activated( GtkWidget* item ){
1085         scene::Node* world_node = Map_FindWorldspawn( g_map );
1086         const char* entity_name = gtk_label_get_text( GTK_LABEL( GTK_BIN( item )->child ) );
1087
1088         if ( !( world_node && string_equal( entity_name, "worldspawn" ) ) ) {
1089                 g_pParentWnd->ActiveXY()->OnEntityCreate( entity_name );
1090         }
1091         else {
1092                 GlobalRadiant().m_pfnMessageBox( GTK_WIDGET( MainFrame_getWindow() ), "There's already a worldspawn in your map!"
1093                                                                                                                                                           "",
1094                                                                                  "Info",
1095                                                                                  eMB_OK,
1096                                                                                  eMB_ICONDEFAULT );
1097         }
1098 }
1099
1100 void EntityClassMenu_addItem( GtkMenu* menu, const char* name ){
1101         GtkMenuItem* item = GTK_MENU_ITEM( gtk_menu_item_new_with_label( name ) );
1102         g_signal_connect( G_OBJECT( item ), "activate", G_CALLBACK( entitycreate_activated ), item );
1103         gtk_widget_show( GTK_WIDGET( item ) );
1104         menu_add_item( menu, item );
1105 }
1106
1107 class EntityClassMenuInserter : public EntityClassVisitor
1108 {
1109 typedef std::pair<GtkMenu*, CopiedString> MenuPair;
1110 typedef std::vector<MenuPair> MenuStack;
1111 MenuStack m_stack;
1112 CopiedString m_previous;
1113 public:
1114 EntityClassMenuInserter( GtkMenu* menu ){
1115         m_stack.reserve( 2 );
1116         m_stack.push_back( MenuPair( menu, "" ) );
1117 }
1118 ~EntityClassMenuInserter(){
1119         if ( !string_empty( m_previous.c_str() ) ) {
1120                 addItem( m_previous.c_str(), "" );
1121         }
1122 }
1123 void visit( EntityClass* e ){
1124         ASSERT_MESSAGE( !string_empty( e->name() ), "entity-class has no name" );
1125         if ( !string_empty( m_previous.c_str() ) ) {
1126                 addItem( m_previous.c_str(), e->name() );
1127         }
1128         m_previous = e->name();
1129 }
1130 void pushMenu( const CopiedString& name ){
1131         GtkMenuItem* item = GTK_MENU_ITEM( gtk_menu_item_new_with_label( name.c_str() ) );
1132         gtk_widget_show( GTK_WIDGET( item ) );
1133         container_add_widget( GTK_CONTAINER( m_stack.back().first ), GTK_WIDGET( item ) );
1134
1135         GtkMenu* submenu = GTK_MENU( gtk_menu_new() );
1136         gtk_menu_item_set_submenu( item, GTK_WIDGET( submenu ) );
1137
1138         m_stack.push_back( MenuPair( submenu, name ) );
1139 }
1140 void popMenu(){
1141         m_stack.pop_back();
1142 }
1143 void addItem( const char* name, const char* next ){
1144         const char* underscore = strchr( name, '_' );
1145
1146         if ( underscore != 0 && underscore != name ) {
1147                 bool nextEqual = string_equal_n( name, next, ( underscore + 1 ) - name );
1148                 const char* parent = m_stack.back().second.c_str();
1149
1150                 if ( !string_empty( parent )
1151                          && string_length( parent ) == std::size_t( underscore - name )
1152                          && string_equal_n( name, parent, underscore - name ) ) { // this is a child
1153                 }
1154                 else if ( nextEqual ) {
1155                         if ( m_stack.size() == 2 ) {
1156                                 popMenu();
1157                         }
1158                         pushMenu( CopiedString( StringRange( name, underscore ) ) );
1159                 }
1160                 else if ( m_stack.size() == 2 ) {
1161                         popMenu();
1162                 }
1163         }
1164         else if ( m_stack.size() == 2 ) {
1165                 popMenu();
1166         }
1167
1168         EntityClassMenu_addItem( m_stack.back().first, name );
1169 }
1170 };
1171
1172 void XYWnd::OnContextMenu(){
1173         if ( g_xywindow_globals.m_bRightClick == false ) {
1174                 return;
1175         }
1176
1177         if ( m_mnuDrop == 0 ) { // first time, load it up
1178                 GtkMenu* menu = m_mnuDrop = GTK_MENU( gtk_menu_new() );
1179
1180                 EntityClassMenuInserter inserter( menu );
1181                 GlobalEntityClassManager().forEach( inserter );
1182         }
1183
1184         gtk_menu_popup( m_mnuDrop, 0, 0, 0, 0, 1, GDK_CURRENT_TIME );
1185 }
1186
1187 FreezePointer g_xywnd_freezePointer;
1188
1189 unsigned int Move_buttons(){
1190         return RAD_RBUTTON;
1191 }
1192
1193 void XYWnd_moveDelta( int x, int y, unsigned int state, void* data ){
1194         reinterpret_cast<XYWnd*>( data )->EntityCreate_MouseMove( x, y );
1195         reinterpret_cast<XYWnd*>( data )->Scroll( -x, y );
1196 }
1197
1198 gboolean XYWnd_Move_focusOut( GtkWidget* widget, GdkEventFocus* event, XYWnd* xywnd ){
1199         xywnd->Move_End();
1200         return FALSE;
1201 }
1202
1203 void XYWnd::Move_Begin(){
1204         if ( m_move_started ) {
1205                 Move_End();
1206         }
1207         m_move_started = true;
1208         g_xywnd_freezePointer.freeze_pointer( m_parent != 0 ? m_parent : MainFrame_getWindow(), XYWnd_moveDelta, this );
1209         m_move_focusOut = g_signal_connect( G_OBJECT( m_gl_widget ), "focus_out_event", G_CALLBACK( XYWnd_Move_focusOut ), this );
1210 }
1211
1212 void XYWnd::Move_End(){
1213         m_move_started = false;
1214         g_xywnd_freezePointer.unfreeze_pointer( m_parent != 0 ? m_parent : MainFrame_getWindow() );
1215         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_move_focusOut );
1216 }
1217
1218 unsigned int Zoom_buttons(){
1219         return RAD_RBUTTON | RAD_SHIFT;
1220 }
1221
1222 int g_dragZoom = 0;
1223
1224 void XYWnd_zoomDelta( int x, int y, unsigned int state, void* data ){
1225         if ( y != 0 ) {
1226                 g_dragZoom += y;
1227                 while ( abs( g_dragZoom ) > 8 )
1228                 {
1229                         if ( g_dragZoom > 0 ) {
1230                                 reinterpret_cast<XYWnd*>( data )->ZoomOut();
1231                                 g_dragZoom -= 8;
1232                         }
1233                         else
1234                         {
1235                                 reinterpret_cast<XYWnd*>( data )->ZoomIn();
1236                                 g_dragZoom += 8;
1237                         }
1238                 }
1239         }
1240 }
1241
1242 gboolean XYWnd_Zoom_focusOut( GtkWidget* widget, GdkEventFocus* event, XYWnd* xywnd ){
1243         xywnd->Zoom_End();
1244         return FALSE;
1245 }
1246
1247 void XYWnd::Zoom_Begin(){
1248         if ( m_zoom_started ) {
1249                 Zoom_End();
1250         }
1251         m_zoom_started = true;
1252         g_dragZoom = 0;
1253         g_xywnd_freezePointer.freeze_pointer( m_parent != 0 ? m_parent : MainFrame_getWindow(), XYWnd_zoomDelta, this );
1254         m_zoom_focusOut = g_signal_connect( G_OBJECT( m_gl_widget ), "focus_out_event", G_CALLBACK( XYWnd_Zoom_focusOut ), this );
1255 }
1256
1257 void XYWnd::Zoom_End(){
1258         m_zoom_started = false;
1259         g_xywnd_freezePointer.unfreeze_pointer( m_parent != 0 ? m_parent : MainFrame_getWindow() );
1260         g_signal_handler_disconnect( G_OBJECT( m_gl_widget ), m_zoom_focusOut );
1261 }
1262
1263 // makes sure the selected brush or camera is in view
1264 void XYWnd::PositionView( const Vector3& position ){
1265         int nDim1 = ( m_viewType == YZ ) ? 1 : 0;
1266         int nDim2 = ( m_viewType == XY ) ? 1 : 2;
1267
1268         m_vOrigin[nDim1] = position[nDim1];
1269         m_vOrigin[nDim2] = position[nDim2];
1270
1271         updateModelview();
1272
1273         XYWnd_Update( *this );
1274 }
1275
1276 void XYWnd::SetViewType( VIEWTYPE viewType ){
1277         m_viewType = viewType;
1278         updateModelview();
1279
1280         if ( m_parent != 0 ) {
1281                 gtk_window_set_title( m_parent, ViewType_getTitle( m_viewType ) );
1282         }
1283 }
1284
1285
1286 inline WindowVector WindowVector_forInteger( int x, int y ){
1287         return WindowVector( static_cast<float>( x ), static_cast<float>( y ) );
1288 }
1289
1290 void XYWnd::mouseDown( const WindowVector& position, ButtonIdentifier button, ModifierFlags modifiers ){
1291         XY_MouseDown( static_cast<int>( position.x() ), static_cast<int>( position.y() ), buttons_for_button_and_modifiers( button, modifiers ) );
1292 }
1293 void XYWnd::XY_MouseDown( int x, int y, unsigned int buttons ){
1294         if ( buttons == Move_buttons() ) {
1295                 Move_Begin();
1296                 EntityCreate_MouseDown( x, y );
1297         }
1298         else if ( buttons == Zoom_buttons() ) {
1299                 Zoom_Begin();
1300         }
1301         else if ( ClipMode() && buttons == Clipper_buttons() ) {
1302                 Clipper_OnLButtonDown( x, y );
1303         }
1304         else if ( buttons == NewBrushDrag_buttons() && GlobalSelectionSystem().countSelected() == 0 ) {
1305                 NewBrushDrag_Begin( x, y );
1306         }
1307         // control mbutton = move camera
1308         else if ( buttons == MoveCamera_buttons() ) {
1309                 XYWnd_PositionCamera( this, x, y, *g_pParentWnd->GetCamWnd() );
1310         }
1311         // mbutton = angle camera
1312         else if ( buttons == OrientCamera_buttons() ) {
1313                 XYWnd_OrientCamera( this, x, y, *g_pParentWnd->GetCamWnd() );
1314         }
1315         else
1316         {
1317                 m_window_observer->onMouseDown( WindowVector_forInteger( x, y ), button_for_flags( buttons ), modifiers_for_flags( buttons ) );
1318         }
1319 }
1320
1321 void XYWnd::XY_MouseUp( int x, int y, unsigned int buttons ){
1322         if ( m_move_started ) {
1323                 Move_End();
1324                 EntityCreate_MouseUp( x, y );
1325         }
1326         else if ( m_zoom_started ) {
1327                 Zoom_End();
1328         }
1329         else if ( ClipMode() && buttons == Clipper_buttons() ) {
1330                 Clipper_OnLButtonUp( x, y );
1331         }
1332         else if ( m_bNewBrushDrag ) {
1333                 m_bNewBrushDrag = false;
1334                 NewBrushDrag_End( x, y );
1335         }
1336         else
1337         {
1338                 m_window_observer->onMouseUp( WindowVector_forInteger( x, y ), button_for_flags( buttons ), modifiers_for_flags( buttons ) );
1339         }
1340 }
1341
1342 void XYWnd::XY_MouseMoved( int x, int y, unsigned int buttons ){
1343         // rbutton = drag xy origin
1344         if ( m_move_started ) {
1345         }
1346         // zoom in/out
1347         else if ( m_zoom_started ) {
1348         }
1349
1350         else if ( ClipMode() && g_pMovingClip != 0 ) {
1351                 Clipper_OnMouseMoved( x, y );
1352         }
1353         // lbutton without selection = drag new brush
1354         else if ( m_bNewBrushDrag ) {
1355                 NewBrushDrag( x, y );
1356         }
1357
1358         // control mbutton = move camera
1359         else if ( getButtonState() == MoveCamera_buttons() ) {
1360                 XYWnd_PositionCamera( this, x, y, *g_pParentWnd->GetCamWnd() );
1361         }
1362
1363         // mbutton = angle camera
1364         else if ( getButtonState() == OrientCamera_buttons() ) {
1365                 XYWnd_OrientCamera( this, x, y, *g_pParentWnd->GetCamWnd() );
1366         }
1367
1368         else
1369         {
1370                 m_window_observer->onMouseMotion( WindowVector_forInteger( x, y ), modifiers_for_flags( buttons ) );
1371
1372                 m_mousePosition[0] = m_mousePosition[1] = m_mousePosition[2] = 0.0;
1373                 XY_ToPoint( x, y, m_mousePosition );
1374                 XY_SnapToGrid( m_mousePosition );
1375
1376                 StringOutputStream status( 64 );
1377                 status << "x:: " << FloatFormat( m_mousePosition[0], 6, 1 )
1378                            << "  y:: " << FloatFormat( m_mousePosition[1], 6, 1 )
1379                            << "  z:: " << FloatFormat( m_mousePosition[2], 6, 1 );
1380                 g_pParentWnd->SetStatusText( g_pParentWnd->m_position_status, status.c_str() );
1381
1382                 if ( g_bCrossHairs ) {
1383                         XYWnd_Update( *this );
1384                 }
1385
1386                 Clipper_Crosshair_OnMouseMoved( x, y );
1387         }
1388 }
1389
1390 void XYWnd::EntityCreate_MouseDown( int x, int y ){
1391         m_entityCreate = true;
1392         m_entityCreate_x = x;
1393         m_entityCreate_y = y;
1394 }
1395
1396 void XYWnd::EntityCreate_MouseMove( int x, int y ){
1397         if ( m_entityCreate && ( m_entityCreate_x != x || m_entityCreate_y != y ) ) {
1398                 m_entityCreate = false;
1399         }
1400 }
1401
1402 void XYWnd::EntityCreate_MouseUp( int x, int y ){
1403         if ( m_entityCreate ) {
1404                 m_entityCreate = false;
1405                 OnContextMenu();
1406         }
1407 }
1408
1409 inline float screen_normalised( int pos, unsigned int size ){
1410         return ( ( 2.0f * pos ) / size ) - 1.0f;
1411 }
1412
1413 inline float normalised_to_world( float normalised, float world_origin, float normalised2world_scale ){
1414         return world_origin + normalised * normalised2world_scale;
1415 }
1416
1417
1418 // TTimo: watch it, this doesn't init one of the 3 coords
1419 void XYWnd::XY_ToPoint( int x, int y, Vector3& point ){
1420         float normalised2world_scale_x = m_nWidth / 2 / m_fScale;
1421         float normalised2world_scale_y = m_nHeight / 2 / m_fScale;
1422         if ( m_viewType == XY ) {
1423                 point[0] = normalised_to_world( screen_normalised( x, m_nWidth ), m_vOrigin[0], normalised2world_scale_x );
1424                 point[1] = normalised_to_world( -screen_normalised( y, m_nHeight ), m_vOrigin[1], normalised2world_scale_y );
1425         }
1426         else if ( m_viewType == YZ ) {
1427                 point[1] = normalised_to_world( screen_normalised( x, m_nWidth ), m_vOrigin[1], normalised2world_scale_x );
1428                 point[2] = normalised_to_world( -screen_normalised( y, m_nHeight ), m_vOrigin[2], normalised2world_scale_y );
1429         }
1430         else
1431         {
1432                 point[0] = normalised_to_world( screen_normalised( x, m_nWidth ), m_vOrigin[0], normalised2world_scale_x );
1433                 point[2] = normalised_to_world( -screen_normalised( y, m_nHeight ), m_vOrigin[2], normalised2world_scale_y );
1434         }
1435 }
1436
1437 void XYWnd::XY_SnapToGrid( Vector3& point ){
1438         if ( m_viewType == XY ) {
1439                 point[0] = float_snapped( point[0], GetSnapGridSize() );
1440                 point[1] = float_snapped( point[1], GetSnapGridSize() );
1441         }
1442         else if ( m_viewType == YZ ) {
1443                 point[1] = float_snapped( point[1], GetSnapGridSize() );
1444                 point[2] = float_snapped( point[2], GetSnapGridSize() );
1445         }
1446         else
1447         {
1448                 point[0] = float_snapped( point[0], GetSnapGridSize() );
1449                 point[2] = float_snapped( point[2], GetSnapGridSize() );
1450         }
1451 }
1452
1453 void XYWnd::XY_LoadBackgroundImage( const char *name ){
1454         const char* relative = path_make_relative( name, GlobalFileSystem().findRoot( name ) );
1455         if ( relative == name ) {
1456                 globalOutputStream() << "WARNING: could not extract the relative path, using full path instead\n";
1457         }
1458
1459         char fileNameWithoutExt[512];
1460         strncpy( fileNameWithoutExt, relative, sizeof( fileNameWithoutExt ) - 1 );
1461         fileNameWithoutExt[512 - 1] = '\0';
1462         fileNameWithoutExt[strlen( fileNameWithoutExt ) - 4] = '\0';
1463
1464         Image *image = QERApp_LoadImage( 0, fileNameWithoutExt );
1465         if ( !image ) {
1466                 globalOutputStream() << "Could not load texture " << fileNameWithoutExt << "\n";
1467                 return;
1468         }
1469         g_pParentWnd->ActiveXY()->m_tex = (qtexture_t*)malloc( sizeof( qtexture_t ) );
1470         LoadTextureRGBA( g_pParentWnd->ActiveXY()->XYWnd::m_tex, image->getRGBAPixels(), image->getWidth(), image->getHeight() );
1471         globalOutputStream() << "Loaded background texture " << relative << "\n";
1472         g_pParentWnd->ActiveXY()->m_backgroundActivated = true;
1473
1474         int m_ix, m_iy;
1475         switch ( g_pParentWnd->ActiveXY()->m_viewType )
1476         {
1477         case XY:
1478                 m_ix = 0;
1479                 m_iy = 1;
1480                 break;
1481         case XZ:
1482                 m_ix = 0;
1483                 m_iy = 2;
1484                 break;
1485         case YZ:
1486                 m_ix = 1;
1487                 m_iy = 2;
1488                 break;
1489         }
1490
1491         Vector3 min, max;
1492         Select_GetBounds( min, max );
1493         g_pParentWnd->ActiveXY()->m_xmin = min[m_ix];
1494         g_pParentWnd->ActiveXY()->m_ymin = min[m_iy];
1495         g_pParentWnd->ActiveXY()->m_xmax = max[m_ix];
1496         g_pParentWnd->ActiveXY()->m_ymax = max[m_iy];
1497 }
1498
1499 void XYWnd::XY_DisableBackground( void ){
1500         g_pParentWnd->ActiveXY()->m_backgroundActivated = false;
1501         if ( g_pParentWnd->ActiveXY()->m_tex ) {
1502                 free( g_pParentWnd->ActiveXY()->m_tex );
1503         }
1504         g_pParentWnd->ActiveXY()->m_tex = NULL;
1505 }
1506
1507 void WXY_BackgroundSelect( void ){
1508         bool brushesSelected = Scene_countSelectedBrushes( GlobalSceneGraph() ) != 0;
1509         if ( !brushesSelected ) {
1510                 gtk_MessageBox( 0, "You have to select some brushes to get the bounding box for.\n",
1511                                                 "No selection", eMB_OK, eMB_ICONERROR );
1512                 return;
1513         }
1514
1515         const char *filename = file_dialog( GTK_WIDGET( MainFrame_getWindow() ), TRUE, "Background Image", NULL, NULL );
1516         g_pParentWnd->ActiveXY()->XY_DisableBackground();
1517         if ( filename ) {
1518                 g_pParentWnd->ActiveXY()->XY_LoadBackgroundImage( filename );
1519         }
1520 }
1521
1522 /*
1523    ============================================================================
1524
1525    DRAWING
1526
1527    ============================================================================
1528  */
1529
1530 /*
1531    ==============
1532    XY_DrawGrid
1533    ==============
1534  */
1535
1536 double two_to_the_power( int power ){
1537         return pow( 2.0f, power );
1538 }
1539
1540 void XYWnd::XY_DrawAxis( void ){
1541         if ( g_xywindow_globals_private.show_axis ) {
1542                 const char g_AxisName[3] = { 'X', 'Y', 'Z' };
1543                 const int nDim1 = ( m_viewType == YZ ) ? 1 : 0;
1544                 const int nDim2 = ( m_viewType == XY ) ? 1 : 2;
1545                 const int w = ( m_nWidth / 2 / m_fScale );
1546                 const int h = ( m_nHeight / 2 / m_fScale );
1547
1548                 const Vector3& colourX = ( m_viewType == YZ ) ? g_xywindow_globals.AxisColorY : g_xywindow_globals.AxisColorX;
1549                 const Vector3& colourY = ( m_viewType == XY ) ? g_xywindow_globals.AxisColorY : g_xywindow_globals.AxisColorZ;
1550
1551                 // draw two lines with corresponding axis colors to highlight current view
1552                 // horizontal line: nDim1 color
1553                 glLineWidth( 2 );
1554                 glBegin( GL_LINES );
1555                 glColor3fv( vector3_to_array( colourX ) );
1556                 glVertex2f( m_vOrigin[nDim1] - w + 40 / m_fScale, m_vOrigin[nDim2] + h - 45 / m_fScale );
1557                 glVertex2f( m_vOrigin[nDim1] - w + 65 / m_fScale, m_vOrigin[nDim2] + h - 45 / m_fScale );
1558                 glVertex2f( 0, 0 );
1559                 glVertex2f( 32 / m_fScale, 0 );
1560                 glColor3fv( vector3_to_array( colourY ) );
1561                 glVertex2f( m_vOrigin[nDim1] - w + 40 / m_fScale, m_vOrigin[nDim2] + h - 45 / m_fScale );
1562                 glVertex2f( m_vOrigin[nDim1] - w + 40 / m_fScale, m_vOrigin[nDim2] + h - 20 / m_fScale );
1563                 glVertex2f( 0, 0 );
1564                 glVertex2f( 0, 32 / m_fScale );
1565                 glEnd();
1566                 glLineWidth( 1 );
1567                 // now print axis symbols
1568                 glColor3fv( vector3_to_array( colourX ) );
1569                 glRasterPos2f( m_vOrigin[nDim1] - w + 55 / m_fScale, m_vOrigin[nDim2] + h - 55 / m_fScale );
1570                 GlobalOpenGL().drawChar( g_AxisName[nDim1] );
1571                 glRasterPos2f( 28 / m_fScale, -10 / m_fScale );
1572                 GlobalOpenGL().drawChar( g_AxisName[nDim1] );
1573                 glColor3fv( vector3_to_array( colourY ) );
1574                 glRasterPos2f( m_vOrigin[nDim1] - w + 25 / m_fScale, m_vOrigin[nDim2] + h - 30 / m_fScale );
1575                 GlobalOpenGL().drawChar( g_AxisName[nDim2] );
1576                 glRasterPos2f( -10 / m_fScale, 28 / m_fScale );
1577                 GlobalOpenGL().drawChar( g_AxisName[nDim2] );
1578         }
1579 }
1580
1581 void XYWnd::XY_DrawBackground( void ){
1582         glPushAttrib( GL_ALL_ATTRIB_BITS );
1583
1584         glEnable( GL_TEXTURE_2D );
1585         glEnable( GL_BLEND );
1586         glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
1587         glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
1588         glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP );
1589         glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP );
1590
1591         glPolygonMode( GL_FRONT, GL_FILL );
1592
1593         glBindTexture( GL_TEXTURE_2D, m_tex->texture_number );
1594         glBegin( GL_QUADS );
1595
1596         glColor4f( 1.0, 1.0, 1.0, m_alpha );
1597         glTexCoord2f( 0.0, 1.0 );
1598         glVertex2f( m_xmin, m_ymin );
1599
1600         glTexCoord2f( 1.0, 1.0 );
1601         glVertex2f( m_xmax, m_ymin );
1602
1603         glTexCoord2f( 1.0, 0.0 );
1604         glVertex2f( m_xmax, m_ymax );
1605
1606         glTexCoord2f( 0.0, 0.0 );
1607         glVertex2f( m_xmin, m_ymax );
1608
1609         glEnd();
1610         glBindTexture( GL_TEXTURE_2D, 0 );
1611
1612         glPopAttrib();
1613 }
1614
1615 void XYWnd::XY_DrawGrid( void ) {
1616         float x, y, xb, xe, yb, ye;
1617         float w, h, a;
1618         char text[32];
1619         float step, minor_step, stepx, stepy;
1620         step = minor_step = stepx = stepy = GetGridSize();
1621
1622         int minor_power = Grid_getPower();
1623         int mask;
1624
1625         while ( ( minor_step * m_fScale ) <= 4.0f ) { // make sure minor grid spacing is at least 4 pixels on the screen
1626                 ++minor_power;
1627                 minor_step *= 2;
1628         }
1629         int power = minor_power;
1630         while ( ( power % 3 ) != 0 || ( step * m_fScale ) <= 32.0f ) { // make sure major grid spacing is at least 32 pixels on the screen
1631                 ++power;
1632                 step = float(two_to_the_power( power ) );
1633         }
1634         mask = ( 1 << ( power - minor_power ) ) - 1;
1635         while ( ( stepx * m_fScale ) <= 32.0f ) // text step x must be at least 32
1636                 stepx *= 2;
1637         while ( ( stepy * m_fScale ) <= 32.0f ) // text step y must be at least 32
1638                 stepy *= 2;
1639
1640         a = ( ( GetSnapGridSize() > 0.0f ) ? 1.0f : 0.3f );
1641
1642         glDisable( GL_TEXTURE_2D );
1643         glDisable( GL_TEXTURE_1D );
1644         glDisable( GL_DEPTH_TEST );
1645         glDisable( GL_BLEND );
1646         glLineWidth( 1 );
1647
1648         w = ( m_nWidth / 2 / m_fScale );
1649         h = ( m_nHeight / 2 / m_fScale );
1650
1651         const int nDim1 = ( m_viewType == YZ ) ? 1 : 0;
1652         const int nDim2 = ( m_viewType == XY ) ? 1 : 2;
1653
1654         xb = m_vOrigin[nDim1] - w;
1655         if ( xb < region_mins[nDim1] ) {
1656                 xb = region_mins[nDim1];
1657         }
1658         xb = step * floor( xb / step );
1659
1660         xe = m_vOrigin[nDim1] + w;
1661         if ( xe > region_maxs[nDim1] ) {
1662                 xe = region_maxs[nDim1];
1663         }
1664         xe = step * ceil( xe / step );
1665
1666         yb = m_vOrigin[nDim2] - h;
1667         if ( yb < region_mins[nDim2] ) {
1668                 yb = region_mins[nDim2];
1669         }
1670         yb = step * floor( yb / step );
1671
1672         ye = m_vOrigin[nDim2] + h;
1673         if ( ye > region_maxs[nDim2] ) {
1674                 ye = region_maxs[nDim2];
1675         }
1676         ye = step * ceil( ye / step );
1677
1678 #define COLORS_DIFFER( a,b ) \
1679         ( ( a )[0] != ( b )[0] || \
1680           ( a )[1] != ( b )[1] || \
1681           ( a )[2] != ( b )[2] )
1682
1683         // djbob
1684         // draw minor blocks
1685         if ( g_xywindow_globals_private.d_showgrid || a < 1.0f ) {
1686                 if ( a < 1.0f ) {
1687                         glEnable( GL_BLEND );
1688                 }
1689
1690                 if ( COLORS_DIFFER( g_xywindow_globals.color_gridminor, g_xywindow_globals.color_gridback ) ) {
1691                         glColor4fv( vector4_to_array( Vector4( g_xywindow_globals.color_gridminor, a ) ) );
1692
1693                         glBegin( GL_LINES );
1694                         int i = 0;
1695                         for ( x = xb ; x < xe ; x += minor_step, ++i ) {
1696                                 if ( ( i & mask ) != 0 ) {
1697                                         glVertex2f( x, yb );
1698                                         glVertex2f( x, ye );
1699                                 }
1700                         }
1701                         i = 0;
1702                         for ( y = yb ; y < ye ; y += minor_step, ++i ) {
1703                                 if ( ( i & mask ) != 0 ) {
1704                                         glVertex2f( xb, y );
1705                                         glVertex2f( xe, y );
1706                                 }
1707                         }
1708                         glEnd();
1709                 }
1710
1711                 // draw major blocks
1712                 if ( COLORS_DIFFER( g_xywindow_globals.color_gridmajor, g_xywindow_globals.color_gridminor ) ) {
1713                         glColor4fv( vector4_to_array( Vector4( g_xywindow_globals.color_gridmajor, a ) ) );
1714
1715                         glBegin( GL_LINES );
1716                         for ( x = xb ; x <= xe ; x += step ) {
1717                                 glVertex2f( x, yb );
1718                                 glVertex2f( x, ye );
1719                         }
1720                         for ( y = yb ; y <= ye ; y += step ) {
1721                                 glVertex2f( xb, y );
1722                                 glVertex2f( xe, y );
1723                         }
1724                         glEnd();
1725                 }
1726
1727                 if ( a < 1.0f ) {
1728                         glDisable( GL_BLEND );
1729                 }
1730         }
1731
1732         // draw coordinate text if needed
1733         if ( g_xywindow_globals_private.show_coordinates ) {
1734                 glColor4fv( vector4_to_array( Vector4( g_xywindow_globals.color_gridtext, 1.0f ) ) );
1735                 float offx = m_vOrigin[nDim2] + h - ( 4 + GlobalOpenGL().m_font->getPixelAscent() ) / m_fScale;
1736                 float offy = m_vOrigin[nDim1] - w +  4                                            / m_fScale;
1737                 for ( x = xb - fmod( xb, stepx ); x <= xe ; x += stepx ) {
1738                         glRasterPos2f( x, offx );
1739                         sprintf( text, "%g", x );
1740                         GlobalOpenGL().drawString( text );
1741                 }
1742                 for ( y = yb - fmod( yb, stepy ); y <= ye ; y += stepy ) {
1743                         glRasterPos2f( offy, y );
1744                         sprintf( text, "%g", y );
1745                         GlobalOpenGL().drawString( text );
1746                 }
1747
1748                 if ( Active() ) {
1749                         glColor3fv( vector3_to_array( g_xywindow_globals.color_viewname ) );
1750                 }
1751
1752                 // we do this part (the old way) only if show_axis is disabled
1753                 if ( !g_xywindow_globals_private.show_axis ) {
1754                         glRasterPos2f( m_vOrigin[nDim1] - w + 35 / m_fScale, m_vOrigin[nDim2] + h - 20 / m_fScale );
1755
1756                         GlobalOpenGL().drawString( ViewType_getTitle( m_viewType ) );
1757                 }
1758         }
1759
1760         XYWnd::XY_DrawAxis();
1761
1762         // show current work zone?
1763         // the work zone is used to place dropped points and brushes
1764         if ( g_xywindow_globals_private.d_show_work ) {
1765                 glColor4f( 1.0f, 0.0f, 0.0f, 1.0f );
1766                 glBegin( GL_LINES );
1767                 glVertex2f( xb, Select_getWorkZone().d_work_min[nDim2] );
1768                 glVertex2f( xe, Select_getWorkZone().d_work_min[nDim2] );
1769                 glVertex2f( xb, Select_getWorkZone().d_work_max[nDim2] );
1770                 glVertex2f( xe, Select_getWorkZone().d_work_max[nDim2] );
1771                 glVertex2f( Select_getWorkZone().d_work_min[nDim1], yb );
1772                 glVertex2f( Select_getWorkZone().d_work_min[nDim1], ye );
1773                 glVertex2f( Select_getWorkZone().d_work_max[nDim1], yb );
1774                 glVertex2f( Select_getWorkZone().d_work_max[nDim1], ye );
1775                 glEnd();
1776         }
1777 }
1778
1779 /*
1780    ==============
1781    XY_DrawBlockGrid
1782    ==============
1783  */
1784 void XYWnd::XY_DrawBlockGrid(){
1785         if ( Map_FindWorldspawn( g_map ) == 0 ) {
1786                 return;
1787         }
1788         const char *value = Node_getEntity( *Map_GetWorldspawn( g_map ) )->getKeyValue( "_blocksize" );
1789         if ( strlen( value ) ) {
1790                 sscanf( value, "%i", &g_xywindow_globals_private.blockSize );
1791         }
1792
1793         if ( !g_xywindow_globals_private.blockSize || g_xywindow_globals_private.blockSize > 65536 || g_xywindow_globals_private.blockSize < 1024 ) {
1794                 // don't use custom blocksize if it is less than the default, or greater than the maximum world coordinate
1795                 g_xywindow_globals_private.blockSize = 1024;
1796         }
1797
1798         float x, y, xb, xe, yb, ye;
1799         float w, h;
1800         char text[32];
1801
1802         glDisable( GL_TEXTURE_2D );
1803         glDisable( GL_TEXTURE_1D );
1804         glDisable( GL_DEPTH_TEST );
1805         glDisable( GL_BLEND );
1806
1807         w = ( m_nWidth / 2 / m_fScale );
1808         h = ( m_nHeight / 2 / m_fScale );
1809
1810         int nDim1 = ( m_viewType == YZ ) ? 1 : 0;
1811         int nDim2 = ( m_viewType == XY ) ? 1 : 2;
1812
1813         xb = m_vOrigin[nDim1] - w;
1814         if ( xb < region_mins[nDim1] ) {
1815                 xb = region_mins[nDim1];
1816         }
1817         xb = static_cast<float>( g_xywindow_globals_private.blockSize * floor( xb / g_xywindow_globals_private.blockSize ) );
1818
1819         xe = m_vOrigin[nDim1] + w;
1820         if ( xe > region_maxs[nDim1] ) {
1821                 xe = region_maxs[nDim1];
1822         }
1823         xe = static_cast<float>( g_xywindow_globals_private.blockSize * ceil( xe / g_xywindow_globals_private.blockSize ) );
1824
1825         yb = m_vOrigin[nDim2] - h;
1826         if ( yb < region_mins[nDim2] ) {
1827                 yb = region_mins[nDim2];
1828         }
1829         yb = static_cast<float>( g_xywindow_globals_private.blockSize * floor( yb / g_xywindow_globals_private.blockSize ) );
1830
1831         ye = m_vOrigin[nDim2] + h;
1832         if ( ye > region_maxs[nDim2] ) {
1833                 ye = region_maxs[nDim2];
1834         }
1835         ye = static_cast<float>( g_xywindow_globals_private.blockSize * ceil( ye / g_xywindow_globals_private.blockSize ) );
1836
1837         // draw major blocks
1838
1839         glColor3fv( vector3_to_array( g_xywindow_globals.color_gridblock ) );
1840         glLineWidth( 2 );
1841
1842         glBegin( GL_LINES );
1843
1844         for ( x = xb ; x <= xe ; x += g_xywindow_globals_private.blockSize )
1845         {
1846                 glVertex2f( x, yb );
1847                 glVertex2f( x, ye );
1848         }
1849
1850         if ( m_viewType == XY ) {
1851                 for ( y = yb ; y <= ye ; y += g_xywindow_globals_private.blockSize )
1852                 {
1853                         glVertex2f( xb, y );
1854                         glVertex2f( xe, y );
1855                 }
1856         }
1857
1858         glEnd();
1859         glLineWidth( 1 );
1860
1861         // draw coordinate text if needed
1862
1863         if ( m_viewType == XY && m_fScale > .1 ) {
1864                 for ( x = xb ; x < xe ; x += g_xywindow_globals_private.blockSize )
1865                         for ( y = yb ; y < ye ; y += g_xywindow_globals_private.blockSize )
1866                         {
1867                                 glRasterPos2f( x + ( g_xywindow_globals_private.blockSize / 2 ), y + ( g_xywindow_globals_private.blockSize / 2 ) );
1868                                 sprintf( text, "%i,%i",(int)floor( x / g_xywindow_globals_private.blockSize ), (int)floor( y / g_xywindow_globals_private.blockSize ) );
1869                                 GlobalOpenGL().drawString( text );
1870                         }
1871         }
1872
1873         glColor4f( 0, 0, 0, 0 );
1874 }
1875
1876 void XYWnd::DrawCameraIcon( const Vector3& origin, const Vector3& angles ){
1877         float x, y, fov, box;
1878         double a;
1879
1880         fov = 48 / m_fScale;
1881         box = 16 / m_fScale;
1882
1883         if ( m_viewType == XY ) {
1884                 x = origin[0];
1885                 y = origin[1];
1886                 a = degrees_to_radians( angles[CAMERA_YAW] );
1887         }
1888         else if ( m_viewType == YZ ) {
1889                 x = origin[1];
1890                 y = origin[2];
1891                 a = degrees_to_radians( angles[CAMERA_PITCH] );
1892         }
1893         else
1894         {
1895                 x = origin[0];
1896                 y = origin[2];
1897                 a = degrees_to_radians( angles[CAMERA_PITCH] );
1898         }
1899
1900         glColor3f( 0.0, 0.0, 1.0 );
1901         glBegin( GL_LINE_STRIP );
1902         glVertex3f( x - box,y,0 );
1903         glVertex3f( x,y + ( box / 2 ),0 );
1904         glVertex3f( x + box,y,0 );
1905         glVertex3f( x,y - ( box / 2 ),0 );
1906         glVertex3f( x - box,y,0 );
1907         glVertex3f( x + box,y,0 );
1908         glEnd();
1909
1910         glBegin( GL_LINE_STRIP );
1911         glVertex3f( x + static_cast<float>( fov * cos( a + c_pi / 4 ) ), y + static_cast<float>( fov * sin( a + c_pi / 4 ) ), 0 );
1912         glVertex3f( x, y, 0 );
1913         glVertex3f( x + static_cast<float>( fov * cos( a - c_pi / 4 ) ), y + static_cast<float>( fov * sin( a - c_pi / 4 ) ), 0 );
1914         glEnd();
1915
1916 }
1917
1918
1919 float Betwixt( float f1, float f2 ){
1920         if ( f1 > f2 ) {
1921                 return f2 + ( ( f1 - f2 ) / 2 );
1922         }
1923         else{
1924                 return f1 + ( ( f2 - f1 ) / 2 );
1925         }
1926 }
1927
1928
1929 // can be greatly simplified but per usual i am in a hurry
1930 // which is not an excuse, just a fact
1931 void XYWnd::PaintSizeInfo( int nDim1, int nDim2, Vector3& vMinBounds, Vector3& vMaxBounds ){
1932         if ( vector3_equal( vMinBounds, vMaxBounds ) ) {
1933                 return;
1934         }
1935         const char* g_pDimStrings[] = {"x:", "y:", "z:"};
1936         typedef const char* OrgStrings[2];
1937         const OrgStrings g_pOrgStrings[] = { { "x:", "y:", }, { "x:", "z:", }, { "y:", "z:", } };
1938
1939         Vector3 vSize( vector3_subtracted( vMaxBounds, vMinBounds ) );
1940
1941         glColor3f( g_xywindow_globals.color_selbrushes[0] * .65f,
1942                            g_xywindow_globals.color_selbrushes[1] * .65f,
1943                            g_xywindow_globals.color_selbrushes[2] * .65f );
1944
1945         StringOutputStream dimensions( 16 );
1946
1947         if ( m_viewType == XY ) {
1948                 glBegin( GL_LINES );
1949
1950                 glVertex3f( vMinBounds[nDim1], vMinBounds[nDim2] - 6.0f  / m_fScale, 0.0f );
1951                 glVertex3f( vMinBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale, 0.0f );
1952
1953                 glVertex3f( vMinBounds[nDim1], vMinBounds[nDim2] - 10.0f  / m_fScale, 0.0f );
1954                 glVertex3f( vMaxBounds[nDim1], vMinBounds[nDim2] - 10.0f  / m_fScale, 0.0f );
1955
1956                 glVertex3f( vMaxBounds[nDim1], vMinBounds[nDim2] - 6.0f  / m_fScale, 0.0f );
1957                 glVertex3f( vMaxBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale, 0.0f );
1958
1959
1960                 glVertex3f( vMaxBounds[nDim1] + 6.0f  / m_fScale, vMinBounds[nDim2], 0.0f );
1961                 glVertex3f( vMaxBounds[nDim1] + 10.0f  / m_fScale, vMinBounds[nDim2], 0.0f );
1962
1963                 glVertex3f( vMaxBounds[nDim1] + 10.0f  / m_fScale, vMinBounds[nDim2], 0.0f );
1964                 glVertex3f( vMaxBounds[nDim1] + 10.0f  / m_fScale, vMaxBounds[nDim2], 0.0f );
1965
1966                 glVertex3f( vMaxBounds[nDim1] + 6.0f  / m_fScale, vMaxBounds[nDim2], 0.0f );
1967                 glVertex3f( vMaxBounds[nDim1] + 10.0f  / m_fScale, vMaxBounds[nDim2], 0.0f );
1968
1969                 glEnd();
1970
1971                 glRasterPos3f( Betwixt( vMinBounds[nDim1], vMaxBounds[nDim1] ),  vMinBounds[nDim2] - 20.0f  / m_fScale, 0.0f );
1972                 dimensions << g_pDimStrings[nDim1] << vSize[nDim1];
1973                 GlobalOpenGL().drawString( dimensions.c_str() );
1974                 dimensions.clear();
1975
1976                 glRasterPos3f( vMaxBounds[nDim1] + 16.0f  / m_fScale, Betwixt( vMinBounds[nDim2], vMaxBounds[nDim2] ), 0.0f );
1977                 dimensions << g_pDimStrings[nDim2] << vSize[nDim2];
1978                 GlobalOpenGL().drawString( dimensions.c_str() );
1979                 dimensions.clear();
1980
1981                 glRasterPos3f( vMinBounds[nDim1] + 4, vMaxBounds[nDim2] + 8 / m_fScale, 0.0f );
1982                 dimensions << "(" << g_pOrgStrings[0][0] << vMinBounds[nDim1] << "  " << g_pOrgStrings[0][1] << vMaxBounds[nDim2] << ")";
1983                 GlobalOpenGL().drawString( dimensions.c_str() );
1984         }
1985         else if ( m_viewType == XZ ) {
1986                 glBegin( GL_LINES );
1987
1988                 glVertex3f( vMinBounds[nDim1], 0, vMinBounds[nDim2] - 6.0f  / m_fScale );
1989                 glVertex3f( vMinBounds[nDim1], 0, vMinBounds[nDim2] - 10.0f / m_fScale );
1990
1991                 glVertex3f( vMinBounds[nDim1], 0,vMinBounds[nDim2] - 10.0f  / m_fScale );
1992                 glVertex3f( vMaxBounds[nDim1], 0,vMinBounds[nDim2] - 10.0f  / m_fScale );
1993
1994                 glVertex3f( vMaxBounds[nDim1], 0,vMinBounds[nDim2] - 6.0f  / m_fScale );
1995                 glVertex3f( vMaxBounds[nDim1], 0,vMinBounds[nDim2] - 10.0f / m_fScale );
1996
1997
1998                 glVertex3f( vMaxBounds[nDim1] + 6.0f  / m_fScale, 0,vMinBounds[nDim2] );
1999                 glVertex3f( vMaxBounds[nDim1] + 10.0f  / m_fScale, 0,vMinBounds[nDim2] );
2000
2001                 glVertex3f( vMaxBounds[nDim1] + 10.0f  / m_fScale, 0,vMinBounds[nDim2] );
2002                 glVertex3f( vMaxBounds[nDim1] + 10.0f  / m_fScale, 0,vMaxBounds[nDim2] );
2003
2004                 glVertex3f( vMaxBounds[nDim1] + 6.0f  / m_fScale, 0,vMaxBounds[nDim2] );
2005                 glVertex3f( vMaxBounds[nDim1] + 10.0f  / m_fScale, 0,vMaxBounds[nDim2] );
2006
2007                 glEnd();
2008
2009                 glRasterPos3f( Betwixt( vMinBounds[nDim1], vMaxBounds[nDim1] ), 0, vMinBounds[nDim2] - 20.0f  / m_fScale );
2010                 dimensions << g_pDimStrings[nDim1] << vSize[nDim1];
2011                 GlobalOpenGL().drawString( dimensions.c_str() );
2012                 dimensions.clear();
2013
2014                 glRasterPos3f( vMaxBounds[nDim1] + 16.0f  / m_fScale, 0, Betwixt( vMinBounds[nDim2], vMaxBounds[nDim2] ) );
2015                 dimensions << g_pDimStrings[nDim2] << vSize[nDim2];
2016                 GlobalOpenGL().drawString( dimensions.c_str() );
2017                 dimensions.clear();
2018
2019                 glRasterPos3f( vMinBounds[nDim1] + 4, 0, vMaxBounds[nDim2] + 8 / m_fScale );
2020                 dimensions << "(" << g_pOrgStrings[1][0] << vMinBounds[nDim1] << "  " << g_pOrgStrings[1][1] << vMaxBounds[nDim2] << ")";
2021                 GlobalOpenGL().drawString( dimensions.c_str() );
2022         }
2023         else
2024         {
2025                 glBegin( GL_LINES );
2026
2027                 glVertex3f( 0, vMinBounds[nDim1], vMinBounds[nDim2] - 6.0f  / m_fScale );
2028                 glVertex3f( 0, vMinBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale );
2029
2030                 glVertex3f( 0, vMinBounds[nDim1], vMinBounds[nDim2] - 10.0f  / m_fScale );
2031                 glVertex3f( 0, vMaxBounds[nDim1], vMinBounds[nDim2] - 10.0f  / m_fScale );
2032
2033                 glVertex3f( 0, vMaxBounds[nDim1], vMinBounds[nDim2] - 6.0f  / m_fScale );
2034                 glVertex3f( 0, vMaxBounds[nDim1], vMinBounds[nDim2] - 10.0f / m_fScale );
2035
2036
2037                 glVertex3f( 0, vMaxBounds[nDim1] + 6.0f  / m_fScale, vMinBounds[nDim2] );
2038                 glVertex3f( 0, vMaxBounds[nDim1] + 10.0f  / m_fScale, vMinBounds[nDim2] );
2039
2040                 glVertex3f( 0, vMaxBounds[nDim1] + 10.0f  / m_fScale, vMinBounds[nDim2] );
2041                 glVertex3f( 0, vMaxBounds[nDim1] + 10.0f  / m_fScale, vMaxBounds[nDim2] );
2042
2043                 glVertex3f( 0, vMaxBounds[nDim1] + 6.0f  / m_fScale, vMaxBounds[nDim2] );
2044                 glVertex3f( 0, vMaxBounds[nDim1] + 10.0f  / m_fScale, vMaxBounds[nDim2] );
2045
2046                 glEnd();
2047
2048                 glRasterPos3f( 0, Betwixt( vMinBounds[nDim1], vMaxBounds[nDim1] ),  vMinBounds[nDim2] - 20.0f  / m_fScale );
2049                 dimensions << g_pDimStrings[nDim1] << vSize[nDim1];
2050                 GlobalOpenGL().drawString( dimensions.c_str() );
2051                 dimensions.clear();
2052
2053                 glRasterPos3f( 0, vMaxBounds[nDim1] + 16.0f  / m_fScale, Betwixt( vMinBounds[nDim2], vMaxBounds[nDim2] ) );
2054                 dimensions << g_pDimStrings[nDim2] << vSize[nDim2];
2055                 GlobalOpenGL().drawString( dimensions.c_str() );
2056                 dimensions.clear();
2057
2058                 glRasterPos3f( 0, vMinBounds[nDim1] + 4.0f, vMaxBounds[nDim2] + 8 / m_fScale );
2059                 dimensions << "(" << g_pOrgStrings[2][0] << vMinBounds[nDim1] << "  " << g_pOrgStrings[2][1] << vMaxBounds[nDim2] << ")";
2060                 GlobalOpenGL().drawString( dimensions.c_str() );
2061         }
2062 }
2063
2064 class XYRenderer : public Renderer
2065 {
2066 struct state_type
2067 {
2068         state_type() :
2069                 m_highlight( 0 ),
2070                 m_state( 0 ){
2071         }
2072         unsigned int m_highlight;
2073         Shader* m_state;
2074 };
2075 public:
2076 XYRenderer( RenderStateFlags globalstate, Shader* selected ) :
2077         m_globalstate( globalstate ),
2078         m_state_selected( selected ){
2079         ASSERT_NOTNULL( selected );
2080         m_state_stack.push_back( state_type() );
2081 }
2082
2083 void SetState( Shader* state, EStyle style ){
2084         ASSERT_NOTNULL( state );
2085         if ( style == eWireframeOnly ) {
2086                 m_state_stack.back().m_state = state;
2087         }
2088 }
2089 const EStyle getStyle() const {
2090         return eWireframeOnly;
2091 }
2092 void PushState(){
2093         m_state_stack.push_back( m_state_stack.back() );
2094 }
2095 void PopState(){
2096         ASSERT_MESSAGE( !m_state_stack.empty(), "popping empty stack" );
2097         m_state_stack.pop_back();
2098 }
2099 void Highlight( EHighlightMode mode, bool bEnable = true ){
2100         ( bEnable )
2101         ? m_state_stack.back().m_highlight |= mode
2102                                                                                   : m_state_stack.back().m_highlight &= ~mode;
2103 }
2104 void addRenderable( const OpenGLRenderable& renderable, const Matrix4& localToWorld ){
2105         if ( m_state_stack.back().m_highlight & ePrimitive ) {
2106                 m_state_selected->addRenderable( renderable, localToWorld );
2107         }
2108         else
2109         {
2110                 m_state_stack.back().m_state->addRenderable( renderable, localToWorld );
2111         }
2112 }
2113
2114 void render( const Matrix4& modelview, const Matrix4& projection ){
2115         GlobalShaderCache().render( m_globalstate, modelview, projection );
2116 }
2117 private:
2118 std::vector<state_type> m_state_stack;
2119 RenderStateFlags m_globalstate;
2120 Shader* m_state_selected;
2121 };
2122
2123 void XYWnd::updateProjection(){
2124         m_projection[0] = 1.0f / static_cast<float>( m_nWidth / 2 );
2125         m_projection[5] = 1.0f / static_cast<float>( m_nHeight / 2 );
2126         m_projection[10] = 1.0f / ( g_MaxWorldCoord * m_fScale );
2127
2128         m_projection[12] = 0.0f;
2129         m_projection[13] = 0.0f;
2130         m_projection[14] = -1.0f;
2131
2132         m_projection[1] =
2133                 m_projection[2] =
2134                         m_projection[3] =
2135
2136                                 m_projection[4] =
2137                                         m_projection[6] =
2138                                                 m_projection[7] =
2139
2140                                                         m_projection[8] =
2141                                                                 m_projection[9] =
2142                                                                         m_projection[11] = 0.0f;
2143
2144         m_projection[15] = 1.0f;
2145
2146         m_view.Construct( m_projection, m_modelview, m_nWidth, m_nHeight );
2147 }
2148
2149 // note: modelview matrix must have a uniform scale, otherwise strange things happen when rendering the rotation manipulator.
2150 void XYWnd::updateModelview(){
2151         int nDim1 = ( m_viewType == YZ ) ? 1 : 0;
2152         int nDim2 = ( m_viewType == XY ) ? 1 : 2;
2153
2154         // translation
2155         m_modelview[12] = -m_vOrigin[nDim1] * m_fScale;
2156         m_modelview[13] = -m_vOrigin[nDim2] * m_fScale;
2157         m_modelview[14] = g_MaxWorldCoord * m_fScale;
2158
2159         // axis base
2160         switch ( m_viewType )
2161         {
2162         case XY:
2163                 m_modelview[0]  =  m_fScale;
2164                 m_modelview[1]  =  0;
2165                 m_modelview[2]  =  0;
2166
2167                 m_modelview[4]  =  0;
2168                 m_modelview[5]  =  m_fScale;
2169                 m_modelview[6]  =  0;
2170
2171                 m_modelview[8]  =  0;
2172                 m_modelview[9]  =  0;
2173                 m_modelview[10] = -m_fScale;
2174                 break;
2175         case XZ:
2176                 m_modelview[0]  =  m_fScale;
2177                 m_modelview[1]  =  0;
2178                 m_modelview[2]  =  0;
2179
2180                 m_modelview[4]  =  0;
2181                 m_modelview[5]  =  0;
2182                 m_modelview[6]  =  m_fScale;
2183
2184                 m_modelview[8]  =  0;
2185                 m_modelview[9]  =  m_fScale;
2186                 m_modelview[10] =  0;
2187                 break;
2188         case YZ:
2189                 m_modelview[0]  =  0;
2190                 m_modelview[1]  =  0;
2191                 m_modelview[2]  = -m_fScale;
2192
2193                 m_modelview[4]  =  m_fScale;
2194                 m_modelview[5]  =  0;
2195                 m_modelview[6]  =  0;
2196
2197                 m_modelview[8]  =  0;
2198                 m_modelview[9]  =  m_fScale;
2199                 m_modelview[10] =  0;
2200                 break;
2201         }
2202
2203         m_modelview[3] = m_modelview[7] = m_modelview[11] = 0;
2204         m_modelview[15] = 1;
2205
2206         m_view.Construct( m_projection, m_modelview, m_nWidth, m_nHeight );
2207 }
2208
2209 /*
2210    ==============
2211    XY_Draw
2212    ==============
2213  */
2214
2215 //#define DBG_SCENEDUMP
2216
2217 void XYWnd::XY_Draw(){
2218         //
2219         // clear
2220         //
2221         glViewport( 0, 0, m_nWidth, m_nHeight );
2222         glClearColor( g_xywindow_globals.color_gridback[0],
2223                                   g_xywindow_globals.color_gridback[1],
2224                                   g_xywindow_globals.color_gridback[2],0 );
2225
2226         glClear( GL_COLOR_BUFFER_BIT );
2227
2228         //
2229         // set up viewpoint
2230         //
2231
2232         glMatrixMode( GL_PROJECTION );
2233         glLoadMatrixf( reinterpret_cast<const float*>( &m_projection ) );
2234
2235         glMatrixMode( GL_MODELVIEW );
2236         glLoadIdentity();
2237         glScalef( m_fScale, m_fScale, 1 );
2238         int nDim1 = ( m_viewType == YZ ) ? 1 : 0;
2239         int nDim2 = ( m_viewType == XY ) ? 1 : 2;
2240         glTranslatef( -m_vOrigin[nDim1], -m_vOrigin[nDim2], 0 );
2241
2242         glDisable( GL_LINE_STIPPLE );
2243         glLineWidth( 1 );
2244         glDisableClientState( GL_TEXTURE_COORD_ARRAY );
2245         glDisableClientState( GL_NORMAL_ARRAY );
2246         glDisableClientState( GL_COLOR_ARRAY );
2247         glDisable( GL_TEXTURE_2D );
2248         glDisable( GL_LIGHTING );
2249         glDisable( GL_COLOR_MATERIAL );
2250         glDisable( GL_DEPTH_TEST );
2251
2252         if ( m_backgroundActivated ) {
2253                 XY_DrawBackground();
2254         }
2255         XY_DrawGrid();
2256
2257         if ( g_xywindow_globals_private.show_blocks ) {
2258                 XY_DrawBlockGrid();
2259         }
2260
2261         glLoadMatrixf( reinterpret_cast<const float*>( &m_modelview ) );
2262
2263         unsigned int globalstate = RENDER_COLOURARRAY | RENDER_COLOURWRITE | RENDER_POLYGONSMOOTH | RENDER_LINESMOOTH;
2264         if ( !g_xywindow_globals.m_bNoStipple ) {
2265                 globalstate |= RENDER_LINESTIPPLE;
2266         }
2267
2268         {
2269                 XYRenderer renderer( globalstate, m_state_selected );
2270
2271                 Scene_Render( renderer, m_view );
2272
2273                 GlobalOpenGL_debugAssertNoErrors();
2274                 renderer.render( m_modelview, m_projection );
2275                 GlobalOpenGL_debugAssertNoErrors();
2276         }
2277
2278         glDepthMask( GL_FALSE );
2279
2280         GlobalOpenGL_debugAssertNoErrors();
2281
2282         glLoadMatrixf( reinterpret_cast<const float*>( &m_modelview ) );
2283
2284         GlobalOpenGL_debugAssertNoErrors();
2285         glDisable( GL_LINE_STIPPLE );
2286         GlobalOpenGL_debugAssertNoErrors();
2287         glLineWidth( 1 );
2288         GlobalOpenGL_debugAssertNoErrors();
2289         if ( GlobalOpenGL().GL_1_3() ) {
2290                 glActiveTexture( GL_TEXTURE0 );
2291                 glClientActiveTexture( GL_TEXTURE0 );
2292         }
2293         glDisableClientState( GL_TEXTURE_COORD_ARRAY );
2294         GlobalOpenGL_debugAssertNoErrors();
2295         glDisableClientState( GL_NORMAL_ARRAY );
2296         GlobalOpenGL_debugAssertNoErrors();
2297         glDisableClientState( GL_COLOR_ARRAY );
2298         GlobalOpenGL_debugAssertNoErrors();
2299         glDisable( GL_TEXTURE_2D );
2300         GlobalOpenGL_debugAssertNoErrors();
2301         glDisable( GL_LIGHTING );
2302         GlobalOpenGL_debugAssertNoErrors();
2303         glDisable( GL_COLOR_MATERIAL );
2304         GlobalOpenGL_debugAssertNoErrors();
2305
2306         GlobalOpenGL_debugAssertNoErrors();
2307
2308
2309         // size info
2310         if ( g_xywindow_globals_private.m_bSizePaint && GlobalSelectionSystem().countSelected() != 0 ) {
2311                 Vector3 min, max;
2312                 Select_GetBounds( min, max );
2313                 PaintSizeInfo( nDim1, nDim2, min, max );
2314         }
2315
2316         if ( g_bCrossHairs ) {
2317                 glColor4f( 0.2f, 0.9f, 0.2f, 0.8f );
2318                 glBegin( GL_LINES );
2319                 if ( m_viewType == XY ) {
2320                         glVertex2f( 2.0f * g_MinWorldCoord, m_mousePosition[1] );
2321                         glVertex2f( 2.0f * g_MaxWorldCoord, m_mousePosition[1] );
2322                         glVertex2f( m_mousePosition[0], 2.0f * g_MinWorldCoord );
2323                         glVertex2f( m_mousePosition[0], 2.0f * g_MaxWorldCoord );
2324                 }
2325                 else if ( m_viewType == YZ ) {
2326                         glVertex3f( m_mousePosition[0], 2.0f * g_MinWorldCoord, m_mousePosition[2] );
2327                         glVertex3f( m_mousePosition[0], 2.0f * g_MaxWorldCoord, m_mousePosition[2] );
2328                         glVertex3f( m_mousePosition[0], m_mousePosition[1], 2.0f * g_MinWorldCoord );
2329                         glVertex3f( m_mousePosition[0], m_mousePosition[1], 2.0f * g_MaxWorldCoord );
2330                 }
2331                 else
2332                 {
2333                         glVertex3f( 2.0f * g_MinWorldCoord, m_mousePosition[1], m_mousePosition[2] );
2334                         glVertex3f( 2.0f * g_MaxWorldCoord, m_mousePosition[1], m_mousePosition[2] );
2335                         glVertex3f( m_mousePosition[0], m_mousePosition[1], 2.0f * g_MinWorldCoord );
2336                         glVertex3f( m_mousePosition[0], m_mousePosition[1], 2.0f * g_MaxWorldCoord );
2337                 }
2338                 glEnd();
2339         }
2340
2341         if ( ClipMode() ) {
2342                 GlobalClipPoints_Draw( m_fScale );
2343         }
2344
2345         GlobalOpenGL_debugAssertNoErrors();
2346
2347         // reset modelview
2348         glLoadIdentity();
2349         glScalef( m_fScale, m_fScale, 1 );
2350         glTranslatef( -m_vOrigin[nDim1], -m_vOrigin[nDim2], 0 );
2351
2352         DrawCameraIcon( Camera_getOrigin( *g_pParentWnd->GetCamWnd() ), Camera_getAngles( *g_pParentWnd->GetCamWnd() ) );
2353
2354         Feedback_draw2D( m_viewType );
2355
2356         if ( g_xywindow_globals_private.show_outline ) {
2357                 if ( Active() ) {
2358                         glMatrixMode( GL_PROJECTION );
2359                         glLoadIdentity();
2360                         glOrtho( 0, m_nWidth, 0, m_nHeight, 0, 1 );
2361
2362                         glMatrixMode( GL_MODELVIEW );
2363                         glLoadIdentity();
2364
2365                         // four view mode doesn't colorize
2366                         if ( g_pParentWnd->CurrentStyle() == MainFrame::eSplit ) {
2367                                 glColor3fv( vector3_to_array( g_xywindow_globals.color_viewname ) );
2368                         }
2369                         else
2370                         {
2371                                 switch ( m_viewType )
2372                                 {
2373                                 case YZ:
2374                                         glColor3fv( vector3_to_array( g_xywindow_globals.AxisColorX ) );
2375                                         break;
2376                                 case XZ:
2377                                         glColor3fv( vector3_to_array( g_xywindow_globals.AxisColorY ) );
2378                                         break;
2379                                 case XY:
2380                                         glColor3fv( vector3_to_array( g_xywindow_globals.AxisColorZ ) );
2381                                         break;
2382                                 }
2383                         }
2384                         glBegin( GL_LINE_LOOP );
2385                         glVertex2f( 0.5, 0.5 );
2386                         glVertex2f( m_nWidth - 0.5, 1 );
2387                         glVertex2f( m_nWidth - 0.5, m_nHeight - 0.5 );
2388                         glVertex2f( 0.5, m_nHeight - 0.5 );
2389                         glEnd();
2390                 }
2391         }
2392
2393         GlobalOpenGL_debugAssertNoErrors();
2394
2395         glFinish();
2396 }
2397
2398 void XYWnd_MouseToPoint( XYWnd* xywnd, int x, int y, Vector3& point ){
2399         xywnd->XY_ToPoint( x, y, point );
2400         xywnd->XY_SnapToGrid( point );
2401
2402         int nDim = ( xywnd->GetViewType() == XY ) ? 2 : ( xywnd->GetViewType() == YZ ) ? 0 : 1;
2403         float fWorkMid = float_mid( Select_getWorkZone().d_work_min[nDim], Select_getWorkZone().d_work_max[nDim] );
2404         point[nDim] = float_snapped( fWorkMid, GetGridSize() );
2405 }
2406
2407 void XYWnd::OnEntityCreate( const char* item ){
2408         StringOutputStream command;
2409         command << "entityCreate -class " << item;
2410         UndoableCommand undo( command.c_str() );
2411         Vector3 point;
2412         XYWnd_MouseToPoint( this, m_entityCreate_x, m_entityCreate_y, point );
2413         Entity_createFromSelection( item, point );
2414 }
2415
2416
2417
2418 void GetFocusPosition( Vector3& position ){
2419         if ( GlobalSelectionSystem().countSelected() != 0 ) {
2420                 Select_GetMid( position );
2421         }
2422         else
2423         {
2424                 position = Camera_getOrigin( *g_pParentWnd->GetCamWnd() );
2425         }
2426 }
2427
2428 void XYWnd_Focus( XYWnd* xywnd ){
2429         Vector3 position;
2430         GetFocusPosition( position );
2431         xywnd->PositionView( position );
2432 }
2433
2434 void XY_Split_Focus(){
2435         Vector3 position;
2436         GetFocusPosition( position );
2437         if ( g_pParentWnd->GetXYWnd() ) {
2438                 g_pParentWnd->GetXYWnd()->PositionView( position );
2439         }
2440         if ( g_pParentWnd->GetXZWnd() ) {
2441                 g_pParentWnd->GetXZWnd()->PositionView( position );
2442         }
2443         if ( g_pParentWnd->GetYZWnd() ) {
2444                 g_pParentWnd->GetYZWnd()->PositionView( position );
2445         }
2446 }
2447
2448 void XY_Focus(){
2449         if ( g_pParentWnd->CurrentStyle() == MainFrame::eSplit ) {
2450                 // cannot do this in a split window
2451                 // do something else that the user may want here
2452                 XY_Split_Focus();
2453                 return;
2454         }
2455
2456         XYWnd* xywnd = g_pParentWnd->GetXYWnd();
2457         XYWnd_Focus( xywnd );
2458 }
2459
2460 void XY_Top(){
2461         if ( g_pParentWnd->CurrentStyle() == MainFrame::eSplit || g_pParentWnd->CurrentStyle() == MainFrame::eFloating ) {
2462                 // cannot do this in a split window
2463                 // do something else that the user may want here
2464                 XY_Split_Focus();
2465                 return;
2466         }
2467
2468         XYWnd* xywnd = g_pParentWnd->GetXYWnd();
2469         xywnd->SetViewType( XY );
2470         XYWnd_Focus( xywnd );
2471 }
2472
2473 void XY_Side(){
2474         if ( g_pParentWnd->CurrentStyle() == MainFrame::eSplit || g_pParentWnd->CurrentStyle() == MainFrame::eFloating ) {
2475                 // cannot do this in a split window
2476                 // do something else that the user may want here
2477                 XY_Split_Focus();
2478                 return;
2479         }
2480
2481         XYWnd* xywnd = g_pParentWnd->GetXYWnd();
2482         xywnd->SetViewType( XZ );
2483         XYWnd_Focus( xywnd );
2484 }
2485
2486 void XY_Front(){
2487         if ( g_pParentWnd->CurrentStyle() == MainFrame::eSplit || g_pParentWnd->CurrentStyle() == MainFrame::eFloating ) {
2488                 // cannot do this in a split window
2489                 // do something else that the user may want here
2490                 XY_Split_Focus();
2491                 return;
2492         }
2493
2494         XYWnd* xywnd = g_pParentWnd->GetXYWnd();
2495         xywnd->SetViewType( YZ );
2496         XYWnd_Focus( xywnd );
2497 }
2498
2499 void XY_Next(){
2500         if ( g_pParentWnd->CurrentStyle() == MainFrame::eSplit || g_pParentWnd->CurrentStyle() == MainFrame::eFloating ) {
2501                 // cannot do this in a split window
2502                 // do something else that the user may want here
2503                 XY_Split_Focus();
2504                 return;
2505         }
2506
2507         XYWnd* xywnd = g_pParentWnd->GetXYWnd();
2508         if ( xywnd->GetViewType() == XY ) {
2509                 xywnd->SetViewType( XZ );
2510         }
2511         else if ( xywnd->GetViewType() ==  XZ ) {
2512                 xywnd->SetViewType( YZ );
2513         }
2514         else{
2515                 xywnd->SetViewType( XY );
2516         }
2517         XYWnd_Focus( xywnd );
2518 }
2519
2520 void XY_Zoom100(){
2521         if ( g_pParentWnd->GetXYWnd() ) {
2522                 g_pParentWnd->GetXYWnd()->SetScale( 1 );
2523         }
2524         if ( g_pParentWnd->GetXZWnd() ) {
2525                 g_pParentWnd->GetXZWnd()->SetScale( 1 );
2526         }
2527         if ( g_pParentWnd->GetYZWnd() ) {
2528                 g_pParentWnd->GetYZWnd()->SetScale( 1 );
2529         }
2530 }
2531
2532 void XY_ZoomIn(){
2533         g_pParentWnd->ActiveXY()->ZoomIn();
2534 }
2535
2536 // NOTE: the zoom out factor is 4/5, we could think about customizing it
2537 //  we don't go below a zoom factor corresponding to 10% of the max world size
2538 //  (this has to be computed against the window size)
2539 void XY_ZoomOut(){
2540         g_pParentWnd->ActiveXY()->ZoomOut();
2541 }
2542
2543
2544
2545 void ToggleShowCrosshair(){
2546         g_bCrossHairs ^= 1;
2547         XY_UpdateAllWindows();
2548 }
2549
2550 void ToggleShowSizeInfo(){
2551         g_xywindow_globals_private.m_bSizePaint = !g_xywindow_globals_private.m_bSizePaint;
2552         XY_UpdateAllWindows();
2553 }
2554
2555 void ToggleShowGrid(){
2556         g_xywindow_globals_private.d_showgrid = !g_xywindow_globals_private.d_showgrid;
2557         XY_UpdateAllWindows();
2558 }
2559
2560 ToggleShown g_xy_top_shown( true );
2561
2562 void XY_Top_Shown_Construct( GtkWindow* parent ){
2563         g_xy_top_shown.connect( GTK_WIDGET( parent ) );
2564 }
2565
2566 ToggleShown g_yz_side_shown( false );
2567
2568 void YZ_Side_Shown_Construct( GtkWindow* parent ){
2569         g_yz_side_shown.connect( GTK_WIDGET( parent ) );
2570 }
2571
2572 ToggleShown g_xz_front_shown( false );
2573
2574 void XZ_Front_Shown_Construct( GtkWindow* parent ){
2575         g_xz_front_shown.connect( GTK_WIDGET( parent ) );
2576 }
2577
2578
2579 class EntityClassMenu : public ModuleObserver
2580 {
2581 std::size_t m_unrealised;
2582 public:
2583 EntityClassMenu() : m_unrealised( 1 ){
2584 }
2585 void realise(){
2586         if ( --m_unrealised == 0 ) {
2587         }
2588 }
2589 void unrealise(){
2590         if ( ++m_unrealised == 1 ) {
2591                 if ( XYWnd::m_mnuDrop != 0 ) {
2592                         gtk_widget_destroy( GTK_WIDGET( XYWnd::m_mnuDrop ) );
2593                         XYWnd::m_mnuDrop = 0;
2594                 }
2595         }
2596 }
2597 };
2598
2599 EntityClassMenu g_EntityClassMenu;
2600
2601
2602
2603
2604 void ShowNamesToggle(){
2605         GlobalEntityCreator().setShowNames( !GlobalEntityCreator().getShowNames() );
2606         XY_UpdateAllWindows();
2607 }
2608 typedef FreeCaller<ShowNamesToggle> ShowNamesToggleCaller;
2609 void ShowNamesExport( const BoolImportCallback& importer ){
2610         importer( GlobalEntityCreator().getShowNames() );
2611 }
2612 typedef FreeCaller1<const BoolImportCallback&, ShowNamesExport> ShowNamesExportCaller;
2613
2614 void ShowAnglesToggle(){
2615         GlobalEntityCreator().setShowAngles( !GlobalEntityCreator().getShowAngles() );
2616         XY_UpdateAllWindows();
2617 }
2618 typedef FreeCaller<ShowAnglesToggle> ShowAnglesToggleCaller;
2619 void ShowAnglesExport( const BoolImportCallback& importer ){
2620         importer( GlobalEntityCreator().getShowAngles() );
2621 }
2622 typedef FreeCaller1<const BoolImportCallback&, ShowAnglesExport> ShowAnglesExportCaller;
2623
2624 void ShowBlocksToggle(){
2625         g_xywindow_globals_private.show_blocks ^= 1;
2626         XY_UpdateAllWindows();
2627 }
2628 typedef FreeCaller<ShowBlocksToggle> ShowBlocksToggleCaller;
2629 void ShowBlocksExport( const BoolImportCallback& importer ){
2630         importer( g_xywindow_globals_private.show_blocks );
2631 }
2632 typedef FreeCaller1<const BoolImportCallback&, ShowBlocksExport> ShowBlocksExportCaller;
2633
2634 void ShowCoordinatesToggle(){
2635         g_xywindow_globals_private.show_coordinates ^= 1;
2636         XY_UpdateAllWindows();
2637 }
2638 typedef FreeCaller<ShowCoordinatesToggle> ShowCoordinatesToggleCaller;
2639 void ShowCoordinatesExport( const BoolImportCallback& importer ){
2640         importer( g_xywindow_globals_private.show_coordinates );
2641 }
2642 typedef FreeCaller1<const BoolImportCallback&, ShowCoordinatesExport> ShowCoordinatesExportCaller;
2643
2644 void ShowOutlineToggle(){
2645         g_xywindow_globals_private.show_outline ^= 1;
2646         XY_UpdateAllWindows();
2647 }
2648 typedef FreeCaller<ShowOutlineToggle> ShowOutlineToggleCaller;
2649 void ShowOutlineExport( const BoolImportCallback& importer ){
2650         importer( g_xywindow_globals_private.show_outline );
2651 }
2652 typedef FreeCaller1<const BoolImportCallback&, ShowOutlineExport> ShowOutlineExportCaller;
2653
2654 void ShowAxesToggle(){
2655         g_xywindow_globals_private.show_axis ^= 1;
2656         XY_UpdateAllWindows();
2657 }
2658 typedef FreeCaller<ShowAxesToggle> ShowAxesToggleCaller;
2659 void ShowAxesExport( const BoolImportCallback& importer ){
2660         importer( g_xywindow_globals_private.show_axis );
2661 }
2662 typedef FreeCaller1<const BoolImportCallback&, ShowAxesExport> ShowAxesExportCaller;
2663
2664 void ShowWorkzoneToggle(){
2665         g_xywindow_globals_private.d_show_work ^= 1;
2666         XY_UpdateAllWindows();
2667 }
2668 typedef FreeCaller<ShowWorkzoneToggle> ShowWorkzoneToggleCaller;
2669 void ShowWorkzoneExport( const BoolImportCallback& importer ){
2670         importer( g_xywindow_globals_private.d_show_work );
2671 }
2672 typedef FreeCaller1<const BoolImportCallback&, ShowWorkzoneExport> ShowWorkzoneExportCaller;
2673
2674 ShowNamesExportCaller g_show_names_caller;
2675 BoolExportCallback g_show_names_callback( g_show_names_caller );
2676 ToggleItem g_show_names( g_show_names_callback );
2677
2678 ShowAnglesExportCaller g_show_angles_caller;
2679 BoolExportCallback g_show_angles_callback( g_show_angles_caller );
2680 ToggleItem g_show_angles( g_show_angles_callback );
2681
2682 ShowBlocksExportCaller g_show_blocks_caller;
2683 BoolExportCallback g_show_blocks_callback( g_show_blocks_caller );
2684 ToggleItem g_show_blocks( g_show_blocks_callback );
2685
2686 ShowCoordinatesExportCaller g_show_coordinates_caller;
2687 BoolExportCallback g_show_coordinates_callback( g_show_coordinates_caller );
2688 ToggleItem g_show_coordinates( g_show_coordinates_callback );
2689
2690 ShowOutlineExportCaller g_show_outline_caller;
2691 BoolExportCallback g_show_outline_callback( g_show_outline_caller );
2692 ToggleItem g_show_outline( g_show_outline_callback );
2693
2694 ShowAxesExportCaller g_show_axes_caller;
2695 BoolExportCallback g_show_axes_callback( g_show_axes_caller );
2696 ToggleItem g_show_axes( g_show_axes_callback );
2697
2698 ShowWorkzoneExportCaller g_show_workzone_caller;
2699 BoolExportCallback g_show_workzone_callback( g_show_workzone_caller );
2700 ToggleItem g_show_workzone( g_show_workzone_callback );
2701
2702 void XYShow_registerCommands(){
2703         GlobalToggles_insert( "ShowAngles", ShowAnglesToggleCaller(), ToggleItem::AddCallbackCaller( g_show_angles ) );
2704         GlobalToggles_insert( "ShowNames", ShowNamesToggleCaller(), ToggleItem::AddCallbackCaller( g_show_names ) );
2705         GlobalToggles_insert( "ShowBlocks", ShowBlocksToggleCaller(), ToggleItem::AddCallbackCaller( g_show_blocks ) );
2706         GlobalToggles_insert( "ShowCoordinates", ShowCoordinatesToggleCaller(), ToggleItem::AddCallbackCaller( g_show_coordinates ) );
2707         GlobalToggles_insert( "ShowWindowOutline", ShowOutlineToggleCaller(), ToggleItem::AddCallbackCaller( g_show_outline ) );
2708         GlobalToggles_insert( "ShowAxes", ShowAxesToggleCaller(), ToggleItem::AddCallbackCaller( g_show_axes ) );
2709         GlobalToggles_insert( "ShowWorkzone", ShowWorkzoneToggleCaller(), ToggleItem::AddCallbackCaller( g_show_workzone ) );
2710 }
2711
2712 void XYWnd_registerShortcuts(){
2713         command_connect_accelerator( "ToggleCrosshairs" );
2714         command_connect_accelerator( "ToggleSizePaint" );
2715 }
2716
2717
2718
2719 void Orthographic_constructPreferences( PreferencesPage& page ){
2720         page.appendCheckBox( "", "Solid selection boxes", g_xywindow_globals.m_bNoStipple );
2721         page.appendCheckBox( "", "Display size info", g_xywindow_globals_private.m_bSizePaint );
2722         page.appendCheckBox( "", "Chase mouse during drags", g_xywindow_globals_private.m_bChaseMouse );
2723         page.appendCheckBox( "", "Update views on camera move", g_xywindow_globals_private.m_bCamXYUpdate );
2724 }
2725 void Orthographic_constructPage( PreferenceGroup& group ){
2726         PreferencesPage page( group.createPage( "Orthographic", "Orthographic View Preferences" ) );
2727         Orthographic_constructPreferences( page );
2728 }
2729 void Orthographic_registerPreferencesPage(){
2730         PreferencesDialog_addSettingsPage( FreeCaller1<PreferenceGroup&, Orthographic_constructPage>() );
2731 }
2732
2733 void Clipper_constructPreferences( PreferencesPage& page ){
2734         page.appendCheckBox( "", "Clipper tool uses caulk", g_clip_useCaulk );
2735 }
2736 void Clipper_constructPage( PreferenceGroup& group ){
2737         PreferencesPage page( group.createPage( "Clipper", "Clipper Tool Settings" ) );
2738         Clipper_constructPreferences( page );
2739 }
2740 void Clipper_registerPreferencesPage(){
2741         PreferencesDialog_addSettingsPage( FreeCaller1<PreferenceGroup&, Clipper_constructPage>() );
2742 }
2743
2744
2745 #include "preferencesystem.h"
2746 #include "stringio.h"
2747
2748
2749
2750
2751 void ToggleShown_importBool( ToggleShown& self, bool value ){
2752         self.set( value );
2753 }
2754 typedef ReferenceCaller1<ToggleShown, bool, ToggleShown_importBool> ToggleShownImportBoolCaller;
2755 void ToggleShown_exportBool( const ToggleShown& self, const BoolImportCallback& importer ){
2756         importer( self.active() );
2757 }
2758 typedef ConstReferenceCaller1<ToggleShown, const BoolImportCallback&, ToggleShown_exportBool> ToggleShownExportBoolCaller;
2759
2760
2761 void XYWindow_Construct(){
2762         GlobalCommands_insert( "ToggleCrosshairs", FreeCaller<ToggleShowCrosshair>(), Accelerator( 'X', (GdkModifierType)GDK_SHIFT_MASK ) );
2763         GlobalCommands_insert( "ToggleSizePaint", FreeCaller<ToggleShowSizeInfo>(), Accelerator( 'J' ) );
2764         GlobalCommands_insert( "ToggleGrid", FreeCaller<ToggleShowGrid>(), Accelerator( '0' ) );
2765
2766         GlobalToggles_insert( "ToggleView", ToggleShown::ToggleCaller( g_xy_top_shown ), ToggleItem::AddCallbackCaller( g_xy_top_shown.m_item ), Accelerator( 'V', (GdkModifierType)( GDK_SHIFT_MASK | GDK_CONTROL_MASK ) ) );
2767         GlobalToggles_insert( "ToggleSideView", ToggleShown::ToggleCaller( g_yz_side_shown ), ToggleItem::AddCallbackCaller( g_yz_side_shown.m_item ) );
2768         GlobalToggles_insert( "ToggleFrontView", ToggleShown::ToggleCaller( g_xz_front_shown ), ToggleItem::AddCallbackCaller( g_xz_front_shown.m_item ) );
2769         GlobalCommands_insert( "NextView", FreeCaller<XY_Next>(), Accelerator( GDK_Tab, (GdkModifierType)GDK_CONTROL_MASK ) );
2770         GlobalCommands_insert( "ZoomIn", FreeCaller<XY_ZoomIn>(), Accelerator( GDK_Delete ) );
2771         GlobalCommands_insert( "ZoomOut", FreeCaller<XY_ZoomOut>(), Accelerator( GDK_Insert ) );
2772         GlobalCommands_insert( "ViewTop", FreeCaller<XY_Top>(), Accelerator( GDK_KP_Home ) );
2773         GlobalCommands_insert( "ViewSide", FreeCaller<XY_Side>(), Accelerator( GDK_KP_Page_Down ) );
2774         GlobalCommands_insert( "ViewFront", FreeCaller<XY_Front>(), Accelerator( GDK_KP_End ) );
2775         GlobalCommands_insert( "Zoom100", FreeCaller<XY_Zoom100>() );
2776         GlobalCommands_insert( "CenterXYView", FreeCaller<XY_Focus>(), Accelerator( GDK_Tab, (GdkModifierType)( GDK_SHIFT_MASK | GDK_CONTROL_MASK ) ) );
2777
2778         GlobalPreferenceSystem().registerPreference( "ClipCaulk", BoolImportStringCaller( g_clip_useCaulk ), BoolExportStringCaller( g_clip_useCaulk ) );
2779
2780         GlobalPreferenceSystem().registerPreference( "NewRightClick", BoolImportStringCaller( g_xywindow_globals.m_bRightClick ), BoolExportStringCaller( g_xywindow_globals.m_bRightClick ) );
2781         GlobalPreferenceSystem().registerPreference( "ImprovedWheelZoom", BoolImportStringCaller( g_xywindow_globals.m_bImprovedWheelZoom ), BoolExportStringCaller( g_xywindow_globals.m_bImprovedWheelZoom ) );
2782         GlobalPreferenceSystem().registerPreference( "ChaseMouse", BoolImportStringCaller( g_xywindow_globals_private.m_bChaseMouse ), BoolExportStringCaller( g_xywindow_globals_private.m_bChaseMouse ) );
2783         GlobalPreferenceSystem().registerPreference( "SizePainting", BoolImportStringCaller( g_xywindow_globals_private.m_bSizePaint ), BoolExportStringCaller( g_xywindow_globals_private.m_bSizePaint ) );
2784         GlobalPreferenceSystem().registerPreference( "ShowCrosshair", BoolImportStringCaller( g_bCrossHairs ), BoolExportStringCaller( g_bCrossHairs ) );
2785         GlobalPreferenceSystem().registerPreference( "NoStipple", BoolImportStringCaller( g_xywindow_globals.m_bNoStipple ), BoolExportStringCaller( g_xywindow_globals.m_bNoStipple ) );
2786         GlobalPreferenceSystem().registerPreference( "SI_ShowCoords", BoolImportStringCaller( g_xywindow_globals_private.show_coordinates ), BoolExportStringCaller( g_xywindow_globals_private.show_coordinates ) );
2787         GlobalPreferenceSystem().registerPreference( "SI_ShowOutlines", BoolImportStringCaller( g_xywindow_globals_private.show_outline ), BoolExportStringCaller( g_xywindow_globals_private.show_outline ) );
2788         GlobalPreferenceSystem().registerPreference( "SI_ShowAxis", BoolImportStringCaller( g_xywindow_globals_private.show_axis ), BoolExportStringCaller( g_xywindow_globals_private.show_axis ) );
2789         GlobalPreferenceSystem().registerPreference( "CamXYUpdate", BoolImportStringCaller( g_xywindow_globals_private.m_bCamXYUpdate ), BoolExportStringCaller( g_xywindow_globals_private.m_bCamXYUpdate ) );
2790         GlobalPreferenceSystem().registerPreference( "ShowWorkzone", BoolImportStringCaller( g_xywindow_globals_private.d_show_work ), BoolExportStringCaller( g_xywindow_globals_private.d_show_work ) );
2791
2792         GlobalPreferenceSystem().registerPreference( "SI_AxisColors0", Vector3ImportStringCaller( g_xywindow_globals.AxisColorX ), Vector3ExportStringCaller( g_xywindow_globals.AxisColorX ) );
2793         GlobalPreferenceSystem().registerPreference( "SI_AxisColors1", Vector3ImportStringCaller( g_xywindow_globals.AxisColorY ), Vector3ExportStringCaller( g_xywindow_globals.AxisColorY ) );
2794         GlobalPreferenceSystem().registerPreference( "SI_AxisColors2", Vector3ImportStringCaller( g_xywindow_globals.AxisColorZ ), Vector3ExportStringCaller( g_xywindow_globals.AxisColorZ ) );
2795         GlobalPreferenceSystem().registerPreference( "SI_Colors1", Vector3ImportStringCaller( g_xywindow_globals.color_gridback ), Vector3ExportStringCaller( g_xywindow_globals.color_gridback ) );
2796         GlobalPreferenceSystem().registerPreference( "SI_Colors2", Vector3ImportStringCaller( g_xywindow_globals.color_gridminor ), Vector3ExportStringCaller( g_xywindow_globals.color_gridminor ) );
2797         GlobalPreferenceSystem().registerPreference( "SI_Colors3", Vector3ImportStringCaller( g_xywindow_globals.color_gridmajor ), Vector3ExportStringCaller( g_xywindow_globals.color_gridmajor ) );
2798         GlobalPreferenceSystem().registerPreference( "SI_Colors6", Vector3ImportStringCaller( g_xywindow_globals.color_gridblock ), Vector3ExportStringCaller( g_xywindow_globals.color_gridblock ) );
2799         GlobalPreferenceSystem().registerPreference( "SI_Colors7", Vector3ImportStringCaller( g_xywindow_globals.color_gridtext ), Vector3ExportStringCaller( g_xywindow_globals.color_gridtext ) );
2800         GlobalPreferenceSystem().registerPreference( "SI_Colors8", Vector3ImportStringCaller( g_xywindow_globals.color_brushes ), Vector3ExportStringCaller( g_xywindow_globals.color_brushes ) );
2801         GlobalPreferenceSystem().registerPreference( "SI_Colors14", Vector3ImportStringCaller( g_xywindow_globals.color_gridmajor_alt ), Vector3ExportStringCaller( g_xywindow_globals.color_gridmajor_alt ) );
2802
2803
2804         GlobalPreferenceSystem().registerPreference( "XZVIS", makeBoolStringImportCallback( ToggleShownImportBoolCaller( g_xz_front_shown ) ), makeBoolStringExportCallback( ToggleShownExportBoolCaller( g_xz_front_shown ) ) );
2805         GlobalPreferenceSystem().registerPreference( "YZVIS", makeBoolStringImportCallback( ToggleShownImportBoolCaller( g_yz_side_shown ) ), makeBoolStringExportCallback( ToggleShownExportBoolCaller( g_yz_side_shown ) ) );
2806
2807         Orthographic_registerPreferencesPage();
2808         Clipper_registerPreferencesPage();
2809
2810         XYWnd::captureStates();
2811         GlobalEntityClassManager().attach( g_EntityClassMenu );
2812 }
2813
2814 void XYWindow_Destroy(){
2815         GlobalEntityClassManager().detach( g_EntityClassMenu );
2816         XYWnd::releaseStates();
2817 }