gtkradiant/radiant/patchdialog.cpp

/*
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.

This file is part of GtkRadiant.

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

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

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

//
// Patch Dialog
//
// Leonardo Zide (leo@lokigames.com)
//

#include <gdk/gdkkeysyms.h>
#include "stdafx.h"
#include "patchdialog.h"

PatchDialog g_PatchDialog;
// is the patch inspector currently displayed/active?
bool l_bIsActive = false;
// the increment we are using for the patch inspector (this is saved in the prefs)
texdef_t *l_pPIIncrement = &g_qeglobals.d_savedinfo.m_PIIncrement;

// =============================================================================
// static functions

static void OnDone (GtkWidget *widget, gpointer data)
{
  g_PatchDialog.m_Patch = NULL;
  g_PatchDialog.HideDlg ();
}

// memorize the current state (that is don't try to undo our do before changing something else)
static void OnApply (GtkWidget *widget, gpointer data)
{
  g_PatchDialog.UpdateData(TRUE);
  if (g_PatchDialog.m_Patch != NULL)
  {
    int r = g_PatchDialog.m_nRow;
    int c = g_PatchDialog.m_nCol;
    if (r >= 0 && r < g_PatchDialog.m_Patch->height && c >= 0 && c < g_PatchDialog.m_Patch->width)
    {            
      if (g_PatchDialog.m_Patch->pShader)
        g_PatchDialog.m_Patch->pShader->DecRef();
        // http://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=467
        if (g_PatchDialog.m_strName.Find(' ') >= 0)
        {
          Sys_FPrintf(SYS_WRN, "WARNING: spaces in shader names are not allowed, dropping '%s'\n", g_PatchDialog.m_strName.GetBuffer());
          g_PatchDialog.m_strName = SHADER_NOT_FOUND;
        }
        g_PatchDialog.m_Patch->pShader = QERApp_Shader_ForName(g_PatchDialog.m_strName);
        g_PatchDialog.m_Patch->d_texture = g_PatchDialog.m_Patch->pShader->getTexture();
        g_PatchDialog.m_Patch->ctrl[c][r].xyz[0] = g_PatchDialog.m_fX;
        g_PatchDialog.m_Patch->ctrl[c][r].xyz[1] = g_PatchDialog.m_fY;
        g_PatchDialog.m_Patch->ctrl[c][r].xyz[2] = g_PatchDialog.m_fZ;
        g_PatchDialog.m_Patch->ctrl[c][r].st[0] = g_PatchDialog.m_fS;
        g_PatchDialog.m_Patch->ctrl[c][r].st[1] = g_PatchDialog.m_fT;
        g_PatchDialog.m_Patch->bDirty = true;
        Sys_UpdateWindows(W_ALL);
    }
  }
}

static void OnSelchangeComboColRow (GtkWidget *widget, gpointer data)
{
  if (!g_PatchDialog.m_bListenChanged)
    return;
#ifdef DBG_PI
  Sys_Printf("OnSelchangeComboColRow\n");
#endif
  // retrieve the current m_nRow and m_nCol, other params are not relevant
  // (NOTE: UpdateData has a mechanism to avoid inifinite looping)
  g_PatchDialog.UpdateData(TRUE);
  // read the changed values ourselves
  g_PatchDialog.UpdateRowColInfo();
  // now reflect our changes
  g_PatchDialog.UpdateData(FALSE);
}

static void OnBtnPatchdetails (GtkWidget *widget, gpointer data)
{
  Patch_NaturalizeSelected(true);
  Sys_UpdateWindows(W_ALL);
}

static void OnBtnPatchfit (GtkWidget *widget, gpointer data)
{
  Patch_ResetTexturing(1.0, 1.0);
  Sys_UpdateWindows(W_ALL);
}

static void OnBtnPatchnatural (GtkWidget *widget, gpointer data)
{
  Patch_NaturalizeSelected();
  Sys_UpdateWindows(W_ALL);
}

static void OnBtnPatchreset (GtkWidget *widget, gpointer data)
{
  float fx, fy;
  if (DoTextureLayout (&fx, &fy) == IDOK)
  {
    Patch_ResetTexturing(fx, fy);
  }
  Sys_UpdateWindows(W_ALL);
}

static void OnSpinChanged (GtkAdjustment *adj, gpointer data)
{
  texdef_t td;

  td.rotate = 0;
  td.scale[0] = td.scale[1] = 0;
  td.shift[0] = td.shift[1] = 0;
  td.contents = 0;
  td.flags = 0;
  td.value = 0;

  if (adj->value == 0)
    return;

  if (adj == g_object_get_data (G_OBJECT (g_PatchDialog.GetWidget ()), "hshift_adj"))
  {
    l_pPIIncrement->shift[0] = atof (gtk_entry_get_text (GTK_ENTRY (data)));

    if (adj->value > 0)
      td.shift[0] = l_pPIIncrement->shift[0];
    else
      td.shift[0] = -l_pPIIncrement->shift[0];
  }
  else if (adj == g_object_get_data (G_OBJECT (g_PatchDialog.GetWidget ()), "vshift_adj"))
  {
    l_pPIIncrement->shift[1] = atof (gtk_entry_get_text (GTK_ENTRY (data)));

    if (adj->value > 0)
      td.shift[1] = l_pPIIncrement->shift[1];
    else
      td.shift[1] = -l_pPIIncrement->shift[1];
  }
  else if (adj == g_object_get_data (G_OBJECT (g_PatchDialog.GetWidget ()), "hscale_adj"))
  {
    l_pPIIncrement->scale[0] = atof (gtk_entry_get_text (GTK_ENTRY (data)));
	if (l_pPIIncrement->scale[0] == 0.0f)
		return;
	// make sure scale factor is always >1 for increases and <1 for decreases
    if (adj->value > 0)
	{
	  if (l_pPIIncrement->scale[0] < 1)
        td.scale[0] = l_pPIIncrement->scale[0];
	  else
        td.scale[0] = 1.0f / l_pPIIncrement->scale[0];
	}
    else
    {
	  if (l_pPIIncrement->scale[0] < 1)
        td.scale[0] = 1.0f / l_pPIIncrement->scale[0];
	  else
        td.scale[0] = l_pPIIncrement->scale[0];
	}
  }
  else if (adj == g_object_get_data (G_OBJECT (g_PatchDialog.GetWidget ()), "vscale_adj"))
  {
    l_pPIIncrement->scale[1] = atof (gtk_entry_get_text (GTK_ENTRY (data)));
	if (l_pPIIncrement->scale[1] == 0.0f)
		return;
	// make sure scale factor is always >1 for increases and <1 for decreases
    if (adj->value > 0)
	{
	  if (l_pPIIncrement->scale[1] < 1)
        td.scale[1] = l_pPIIncrement->scale[1];
	  else
        td.scale[1] = 1.0f / l_pPIIncrement->scale[1];
	}
    else
    {
	  if (l_pPIIncrement->scale[1] < 1)
        td.scale[1] = 1.0f / l_pPIIncrement->scale[1];
	  else
        td.scale[1] = l_pPIIncrement->scale[1];
	}
  }
  else if (adj == g_object_get_data (G_OBJECT (g_PatchDialog.GetWidget ()), "rotate_adj"))
  {
    l_pPIIncrement->rotate = atof (gtk_entry_get_text (GTK_ENTRY (data)));

    if (adj->value > 0)
      td.rotate = l_pPIIncrement->rotate;
    else
      td.rotate = -l_pPIIncrement->rotate;
  }

  adj->value = 0;

#ifdef DBG_PI
	Sys_Printf("Patch_SetTextureInfo: %g %g %g %g %g\n", td.shift[0], td.shift[1],td.scale[0],td.scale[1],td.rotate );
#endif
  // will scale shift rotate the patch accordingly
  Patch_SetTextureInfo (&td);
  // update the point-by-point view
  OnSelchangeComboColRow(NULL,NULL);
  Sys_UpdateWindows (W_CAMERA);
}

static gint OnDialogKey (GtkWidget* widget, GdkEventKey* event, gpointer data)
{
#ifdef DBG_PI
  Sys_Printf("OnDialogKey\n");
#endif
  if (event->keyval == GDK_Return)
  {
    OnApply (NULL, NULL);
    return TRUE;
  }
  else if (event->keyval == GDK_Escape)
  {
    OnDone (NULL, NULL);
    return TRUE;
  }
  return FALSE;
}

// =============================================================================
// Global Functions

void DoPatchInspector()
{
  // do we need to create the dialog?
  if (g_PatchDialog.GetWidget() == NULL)
  {
    g_PatchDialog.Create();
    g_PatchDialog.UpdateData (FALSE);
  }
  g_PatchDialog.GetPatchInfo();
  if (!l_bIsActive)
    g_PatchDialog.ShowDlg ();
}

void UpdatePatchInspector()
{
  if (l_bIsActive)
    g_PatchDialog.GetPatchInfo();
}

void TogglePatchInspector()
{
  if (l_bIsActive)
    OnDone(NULL,NULL);
  else
    DoPatchInspector();
}

// =============================================================================
// PatchDialog class

PatchDialog::PatchDialog ()
{
  m_strName = "";
  m_fS = 0.0f;
  m_fT = 0.0f;
  m_fX = 0.0f;
  m_fY = 0.0f;
  m_fZ = 0.0f;
  m_nCol = 0;
  m_nRow = 0;
  m_Patch = NULL;
  m_bListenChanged = true;
}

void PatchDialog::InitDefaultIncrement(texdef_t *tex)
{
  tex->SetName(SHADER_NOT_FOUND);
  tex->scale[0] = 0.5f;
  tex->scale[1] = 0.5f;
  tex->rotate = 45;
  tex->shift[0] = 8.0f;
  tex->shift[1] = 8.0f;
}

// we plug into HideDlg and ShowDlg to maintain the l_bIsActive flag
void PatchDialog::HideDlg()
{
  l_bIsActive = false;
  Dialog::HideDlg();
}

void PatchDialog::ShowDlg()
{
  l_bIsActive = true;
  Dialog::ShowDlg();
}

void PatchDialog::BuildDialog ()
{
  GtkWidget *dlg, *vbox, *vbox2, *hbox, *hbox2, *frame, *table, *label;
  GtkWidget *button, *entry, *spin, *combo;
  GtkObject *adj;
  char buf[32];
 
  dlg = m_pWidget;
  
  load_window_pos (dlg, g_PrefsDlg.mWindowInfo.posPatchWnd);

  gtk_window_set_title (GTK_WINDOW (dlg), "Patch Properties");
  gtk_signal_connect (GTK_OBJECT (dlg), "delete_event", GTK_SIGNAL_FUNC (OnDone), NULL);
  // catch 'Esc' and 'Enter'
  gtk_signal_connect (GTK_OBJECT (dlg), "key_press_event", GTK_SIGNAL_FUNC (OnDialogKey), NULL);
  gtk_window_set_transient_for (GTK_WINDOW (dlg), GTK_WINDOW (g_pParentWnd->m_pWidget));


  vbox = gtk_vbox_new (FALSE, 5);
  gtk_widget_show (vbox);
  gtk_container_add (GTK_CONTAINER (dlg), vbox);
  gtk_container_set_border_width (GTK_CONTAINER (vbox), 5); 

  hbox = gtk_hbox_new (FALSE, 5);
  gtk_widget_show (hbox);
  gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 0);

  frame = gtk_frame_new ("Details");
  gtk_widget_show (frame);
  gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);

  vbox2 = gtk_vbox_new (FALSE, 5);
  gtk_widget_show (vbox2);
  gtk_container_add (GTK_CONTAINER (frame), vbox2);
  gtk_container_set_border_width (GTK_CONTAINER (vbox2), 5);

  table = gtk_table_new (2, 2, FALSE);
  gtk_widget_show (table);
  gtk_box_pack_start (GTK_BOX (vbox2), table, TRUE, TRUE, 0);
  gtk_table_set_row_spacings (GTK_TABLE (table), 5);
  gtk_table_set_col_spacings (GTK_TABLE (table), 5);

  label = gtk_label_new ("Row:");
  gtk_widget_show (label);
  gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
                    (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);

  label = gtk_label_new ("Column:");
  gtk_widget_show (label);
  gtk_table_attach (GTK_TABLE (table), label, 1, 2, 0, 1,
                    (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);

  combo = gtk_combo_new ();
  gtk_widget_show (combo);
  gtk_table_attach (GTK_TABLE (table), combo, 0, 1, 1, 2,
                    (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);
  gtk_widget_set_usize (combo, 60, -1);
  gtk_entry_set_editable (GTK_ENTRY (GTK_COMBO (combo)->entry), FALSE);
  gtk_signal_connect (GTK_OBJECT (GTK_COMBO (combo)->entry), "changed",
		      GTK_SIGNAL_FUNC (OnSelchangeComboColRow), this);
  AddDialogData (combo, &m_nRow, DLG_COMBO_INT);
  m_pRowCombo = combo;

  combo = gtk_combo_new ();
  gtk_widget_show (combo);
  gtk_table_attach (GTK_TABLE (table), combo, 1, 2, 1, 2,
                    (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);
  gtk_widget_set_usize (combo, 60, -1);
  gtk_entry_set_editable (GTK_ENTRY (GTK_COMBO (combo)->entry), FALSE);
  gtk_signal_connect (GTK_OBJECT (GTK_COMBO (combo)->entry), "changed",
		      GTK_SIGNAL_FUNC (OnSelchangeComboColRow), this);
  AddDialogData (combo, &m_nCol, DLG_COMBO_INT);
  m_pColCombo = combo;

  table = gtk_table_new (5, 2, FALSE);
  gtk_widget_show (table);
  gtk_box_pack_start (GTK_BOX (vbox2), table, TRUE, TRUE, 0);
  gtk_table_set_row_spacings (GTK_TABLE (table), 5);
  gtk_table_set_col_spacings (GTK_TABLE (table), 5);

  label = gtk_label_new ("X:");
  gtk_widget_show (label);
  gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
                    (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);

  label = gtk_label_new ("Y:");
  gtk_widget_show (label);
  gtk_table_attach (GTK_TABLE (table), label, 0, 1, 1, 2,
                    (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);

  label = gtk_label_new ("Z:");
  gtk_widget_show (label);
  gtk_table_attach (GTK_TABLE (table), label, 0, 1, 2, 3,
                    (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);

  label = gtk_label_new ("S:");
  gtk_widget_show (label);
  gtk_table_attach (GTK_TABLE (table), label, 0, 1, 3, 4,
                    (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);

  label = gtk_label_new ("T:");
  gtk_widget_show (label);
  gtk_table_attach (GTK_TABLE (table), label, 0, 1, 4, 5,
                    (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);

  entry = gtk_entry_new ();
  gtk_widget_show (entry);
  gtk_table_attach (GTK_TABLE (table), entry, 1, 2, 0, 1,
                    (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);
  AddDialogData (entry, &m_fX, DLG_ENTRY_FLOAT);

  entry = gtk_entry_new ();
  gtk_widget_show (entry);
  gtk_table_attach (GTK_TABLE (table), entry, 1, 2, 1, 2,
                    (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);
  AddDialogData (entry, &m_fY, DLG_ENTRY_FLOAT);

  entry = gtk_entry_new ();
  gtk_widget_show (entry);
  gtk_table_attach (GTK_TABLE (table), entry, 1, 2, 2, 3,
                    (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);
  AddDialogData (entry, &m_fZ, DLG_ENTRY_FLOAT);

  entry = gtk_entry_new ();
  gtk_widget_show (entry);
  gtk_table_attach (GTK_TABLE (table), entry, 1, 2, 3, 4,
                    (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);
  AddDialogData (entry, &m_fS, DLG_ENTRY_FLOAT);

  entry = gtk_entry_new ();
  gtk_widget_show (entry);
  gtk_table_attach (GTK_TABLE (table), entry, 1, 2, 4, 5,
                    (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);
  AddDialogData (entry, &m_fT, DLG_ENTRY_FLOAT);

  frame = gtk_frame_new ("Texturing");
  gtk_widget_show (frame);
  gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);

  vbox2 = gtk_vbox_new (FALSE, 5);
  gtk_widget_show (vbox2);
  gtk_container_add (GTK_CONTAINER (frame), vbox2);
  gtk_container_set_border_width (GTK_CONTAINER (vbox2), 5);

  label = gtk_label_new ("Name:");
  gtk_widget_show (label);
  gtk_box_pack_start (GTK_BOX (vbox2), label, TRUE, TRUE, 0);
  gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_LEFT);
  gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);

  entry = gtk_entry_new ();
//  gtk_entry_set_editable (GTK_ENTRY (entry), false);
  gtk_widget_show (entry);
  gtk_box_pack_start (GTK_BOX (vbox2), entry, TRUE, TRUE, 0);
  AddDialogData (entry, &m_strName, DLG_ENTRY_TEXT);

  table = gtk_table_new (5, 3, FALSE);
  gtk_widget_show (table);
  gtk_box_pack_start (GTK_BOX (vbox2), table, TRUE, TRUE, 0);
  gtk_table_set_row_spacings (GTK_TABLE (table), 5);
  gtk_table_set_col_spacings (GTK_TABLE (table), 5);

  label = gtk_label_new ("Horizontal Shift Step");
  gtk_widget_show (label);
  gtk_table_attach (GTK_TABLE (table), label, 2, 3, 0, 1,
                    (GtkAttachOptions) (GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);
  gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);

  label = gtk_label_new ("Vertical Shift Step");
  gtk_widget_show (label);
  gtk_table_attach (GTK_TABLE (table), label, 2, 3, 1, 2,
                    (GtkAttachOptions) (GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);
  gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);

  label = gtk_label_new ("Horizontal Stretch Step");
  gtk_widget_show (label);
  gtk_table_attach (GTK_TABLE (table), label, 2, 3, 2, 3,
                    (GtkAttachOptions) (GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);
  gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);

  label = gtk_label_new ("Vertical Stretch Step");
  gtk_widget_show (label);
  gtk_table_attach (GTK_TABLE (table), label, 2, 3, 3, 4,
                    (GtkAttachOptions) (GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);
  gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);

  label = gtk_label_new ("Rotate Step");
  gtk_widget_show (label);
  gtk_table_attach (GTK_TABLE (table), label, 2, 3, 4, 5,
                    (GtkAttachOptions) (GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);
  gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);

  entry = gtk_entry_new ();
  gtk_widget_show (entry);
  gtk_table_attach (GTK_TABLE (table), entry, 0, 1, 0, 1,
                    (GtkAttachOptions) (GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);
  gtk_widget_set_usize (entry, 50, -2);
  g_object_set_data (G_OBJECT (m_pWidget), "hshift_entry", entry);
  // we fill in this data, if no patch is selected the widgets are unmodified when the inspector is raised
  // so we need to have at least one initialisation somewhere
  sprintf (buf, "%g", l_pPIIncrement->shift[0]);
  gtk_entry_set_text (GTK_ENTRY (entry), buf);

  adj = gtk_adjustment_new (0, -8192, 8192, 1, 1, 1);
  gtk_signal_connect (adj, "value_changed", GTK_SIGNAL_FUNC (OnSpinChanged), entry);
  g_object_set_data (G_OBJECT (m_pWidget), "hshift_adj", adj);

  spin = gtk_spin_button_new (GTK_ADJUSTMENT (adj), 1, 0);
  gtk_widget_show (spin);
  gtk_table_attach (GTK_TABLE (table), spin, 1, 2, 0, 1,
                    (GtkAttachOptions) (0),
                    (GtkAttachOptions) (0), 0, 0);
  gtk_widget_set_usize (spin, 10, -2);

  entry = gtk_entry_new ();
  gtk_widget_show (entry);
  gtk_table_attach (GTK_TABLE (table), entry, 0, 1, 1, 2,
                    (GtkAttachOptions) (GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);
  gtk_widget_set_usize (entry, 50, -2);
  sprintf (buf, "%g", l_pPIIncrement->shift[1]);
  gtk_entry_set_text (GTK_ENTRY (entry), buf);

  adj = gtk_adjustment_new (0, -8192, 8192, 1, 1, 1);
  gtk_signal_connect (adj, "value_changed", GTK_SIGNAL_FUNC (OnSpinChanged), entry);
  g_object_set_data (G_OBJECT (m_pWidget), "vshift_adj", adj);

  spin = gtk_spin_button_new (GTK_ADJUSTMENT (adj), 1, 0);
  gtk_widget_show (spin);
  gtk_table_attach (GTK_TABLE (table), spin, 1, 2, 1, 2,
                    (GtkAttachOptions) (0),
                    (GtkAttachOptions) (0), 0, 0);
  gtk_widget_set_usize (spin, 10, -2);

  entry = gtk_entry_new ();
  gtk_widget_show (entry);
  gtk_table_attach (GTK_TABLE (table), entry, 0, 1, 2, 3,
                    (GtkAttachOptions) (GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);
  gtk_widget_set_usize (entry, 50, -2);
  sprintf (buf, "%g", l_pPIIncrement->scale[0]);
  gtk_entry_set_text (GTK_ENTRY (entry), buf);

  adj = gtk_adjustment_new (0, -1000, 1000, 1, 1, 1);
  gtk_signal_connect (adj, "value_changed", GTK_SIGNAL_FUNC (OnSpinChanged), entry);
  g_object_set_data (G_OBJECT (m_pWidget), "hscale_adj", adj);

  spin = gtk_spin_button_new (GTK_ADJUSTMENT (adj), 1, 0);
  gtk_widget_show (spin);
  gtk_table_attach (GTK_TABLE (table), spin, 1, 2, 2, 3,
                    (GtkAttachOptions) (0),
                    (GtkAttachOptions) (0), 0, 0);
  gtk_widget_set_usize (spin, 10, -2);

  entry = gtk_entry_new ();
  gtk_widget_show (entry);
  gtk_table_attach (GTK_TABLE (table), entry, 0, 1, 3, 4,
                    (GtkAttachOptions) (GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);
  gtk_widget_set_usize (entry, 50, -2);
  sprintf (buf, "%g", l_pPIIncrement->scale[1]);
  gtk_entry_set_text (GTK_ENTRY (entry), buf);

  adj = gtk_adjustment_new (0, -1000, 1000, 1, 1, 1);
  gtk_signal_connect (adj, "value_changed", GTK_SIGNAL_FUNC (OnSpinChanged), entry);
  g_object_set_data (G_OBJECT (m_pWidget), "vscale_adj", adj);

  spin = gtk_spin_button_new (GTK_ADJUSTMENT (adj), 1, 0);
  gtk_widget_show (spin);
  gtk_table_attach (GTK_TABLE (table), spin, 1, 2, 3, 4,
                    (GtkAttachOptions) (0),
                    (GtkAttachOptions) (0), 0, 0);
  gtk_widget_set_usize (spin, 10, -2);

  entry = gtk_entry_new ();
  gtk_widget_show (entry);
  gtk_table_attach (GTK_TABLE (table), entry, 0, 1, 4, 5,
                    (GtkAttachOptions) (GTK_FILL),
                    (GtkAttachOptions) (0), 0, 0);
  gtk_widget_set_usize (entry, 50, -2);
  sprintf (buf, "%g", l_pPIIncrement->rotate);
  gtk_entry_set_text (GTK_ENTRY (entry), buf);

  adj = gtk_adjustment_new (0, -1000, 1000, 1, 1, 1);	// NOTE: Arnout - this really should be 360 but can't change it anymore as it could break existing maps
  gtk_signal_connect (adj, "value_changed", GTK_SIGNAL_FUNC (OnSpinChanged), entry);
  g_object_set_data (G_OBJECT (m_pWidget), "rotate_adj", adj);

  spin = gtk_spin_button_new (GTK_ADJUSTMENT (adj), 1, 0);
  gtk_widget_show (spin);
  gtk_table_attach (GTK_TABLE (table), spin, 1, 2, 4, 5,
                    (GtkAttachOptions) (0),
                    (GtkAttachOptions) (0), 0, 0);
  gtk_widget_set_usize (spin, 10, -2);

  hbox2 = gtk_hbox_new (TRUE, 5);
  gtk_widget_show (hbox2);
  gtk_box_pack_start (GTK_BOX (vbox2), hbox2, TRUE, FALSE, 0);

  button = gtk_button_new_with_label ("CAP");
  gtk_widget_show (button);
  gtk_box_pack_end (GTK_BOX (hbox2), button, TRUE, FALSE, 0);
  gtk_signal_connect (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC (OnBtnPatchdetails), NULL);
  gtk_widget_set_usize (button, 60, -1);

  button = gtk_button_new_with_label ("Set...");
  gtk_widget_show (button);
  gtk_box_pack_end (GTK_BOX (hbox2), button, TRUE, FALSE, 0);
  gtk_signal_connect (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC (OnBtnPatchreset), NULL);
  gtk_widget_set_usize (button, 60, -1);

  button = gtk_button_new_with_label ("Natural");
  gtk_widget_show (button);
  gtk_box_pack_end (GTK_BOX (hbox2), button, TRUE, FALSE, 0);
  gtk_signal_connect (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC (OnBtnPatchnatural), NULL);
  gtk_widget_set_usize (button, 60, -1);

  button = gtk_button_new_with_label ("Fit");
  gtk_widget_show (button);
  gtk_box_pack_end (GTK_BOX (hbox2), button, TRUE, FALSE, 0);
  gtk_signal_connect (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC (OnBtnPatchfit), NULL);
  gtk_widget_set_usize (button, 60, -1);

  hbox = gtk_hbox_new (FALSE, 5);
  gtk_widget_show (hbox);
  gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, FALSE, 0);

  button = gtk_button_new_with_label ("Done");
  gtk_widget_show (button);
  gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0);
  gtk_signal_connect (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC (OnDone), NULL);
  gtk_widget_set_usize (button, 60, -1);

  button = gtk_button_new_with_label ("Apply");
  gtk_widget_show (button);
  gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0);
  gtk_signal_connect (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC (OnApply), NULL);
  gtk_widget_set_usize (button, 60, -1);
}

// sync the dialog our internal data structures
void PatchDialog::UpdateData (bool retrieve)
{
  if (m_pWidget == NULL)
    return;

  m_bListenChanged = false;
  Dialog::UpdateData (retrieve);
  m_bListenChanged = true;
}

// read the map and feed in the stuff to the dialog box
void PatchDialog::GetPatchInfo()
{
  m_Patch = SinglePatchSelected();
  if (m_Patch != NULL)
  {
    m_strName = m_Patch->pShader->getName();
  
    GList *combo_list = NULL;
    int i;

    // fill in the numbers for Row / Col selection
    m_bListenChanged = false;

    for (i = 0; i < m_Patch->height; i++)
      combo_list = g_list_append (combo_list, g_strdup_printf ("%i", i)); // NOTE: leaving the g_strdup cause we free with g_free later on
    gtk_combo_set_popdown_strings (GTK_COMBO (m_pRowCombo), combo_list);
    gtk_entry_set_text (GTK_ENTRY (GTK_COMBO (m_pRowCombo)->entry), "0");

    while (combo_list)
    {
      g_free (combo_list->data);
      combo_list = g_list_remove (combo_list, combo_list->data);
    }

    for (i = 0; i < m_Patch->width; i++)
      combo_list = g_list_append (combo_list, g_strdup_printf ("%i", i));
    gtk_combo_set_popdown_strings (GTK_COMBO (m_pColCombo), combo_list);
    gtk_entry_set_text (GTK_ENTRY (GTK_COMBO (m_pColCombo)->entry), "0");

    while (combo_list)
    {
      g_free (combo_list->data);
      combo_list = g_list_remove (combo_list, combo_list->data);
    }
    
    m_bListenChanged = true;
    
  }
  else
    Sys_Printf("WARNING: no patch\n");
  // fill in our internal structs
  m_nRow = 0; m_nCol = 0;
  UpdateRowColInfo();
  // now update the dialog box
  UpdateData(false);
}

// read the current patch on map and initialize m_fX m_fY accordingly
// NOTE: don't call UpdateData in there, it's not meant for
void PatchDialog::UpdateRowColInfo()
{
  m_fX = m_fY = m_fZ = m_fS = m_fT = 0.0;

  if (m_Patch != NULL)
  {
    // we rely on whatever active row/column has been set before we get called
    int r = m_nRow;
    int c = m_nCol;
    if (r >= 0 && r < m_Patch->height && c >= 0 && c < m_Patch->width)
    {
      m_fX = m_Patch->ctrl[c][r].xyz[0];
      m_fY = m_Patch->ctrl[c][r].xyz[1];
      m_fZ = m_Patch->ctrl[c][r].xyz[2];
      m_fS = m_Patch->ctrl[c][r].st[0];
      m_fT = m_Patch->ctrl[c][r].st[1];
    }
  }
}