1 files changed, 715 insertions, 0 deletions
diff --git a/iup/src/win/iupwin_button.c b/iup/src/win/iupwin_button.c
new file mode 100755
index 0000000..7f780e3
--- /dev/null
+++ b/iup/src/win/iupwin_button.c
@@ -0,0 +1,715 @@
+/** \file
+ * \brief Button Control
+ *
+ * See Copyright Notice in "iup.h"
+ */
+
+#include <windows.h>
+#include <commctrl.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <memory.h>
+#include <stdarg.h>
+
+#include "iup.h"
+#include "iupcbs.h"
+
+#include "iup_object.h"
+#include "iup_attrib.h"
+#include "iup_str.h"
+#include "iup_button.h"
+#include "iup_drv.h"
+#include "iup_drvfont.h"
+#include "iup_image.h"
+
+#include "iupwin_drv.h"
+#include "iupwin_handle.h"
+#include "iupwin_draw.h"
+
+
+#ifndef CDIS_SHOWKEYBOARDCUES
+#define CDIS_SHOWKEYBOARDCUES   0x0200    /* it is defined only when _WIN32_WINNT >= 0x0501 */
+#endif
+
+
+static int winButtonGetBorder(void)
+{
+  return 4;
+}
+
+void iupdrvButtonAddBorders(int *x, int *y)
+{
+  int border_size = winButtonGetBorder()*2;
+  (*x) += border_size;
+  (*y) += border_size;
+}
+
+/****************************************************************/
+
+static int winButtonCalcAlignPosX(int horiz_alignment, int rect_width, int width, int xpad, int shift)
+{
+  int x;
+
+  if (horiz_alignment == IUP_ALIGN_ARIGHT)
+    x = rect_width - (width + 2*xpad);
+  else if (horiz_alignment == IUP_ALIGN_ACENTER)
+    x = (rect_width - (width + 2*xpad))/2;
+  else  /* ALEFT */
+    x = 0;
+
+  x += xpad;
+
+  if (shift)
+    x++;
+
+  return x;
+}
+
+static int winButtonCalcAlignPosY(int vert_alignment, int rect_height, int height, int ypad, int shift)
+{
+  int y;
+
+  if (vert_alignment == IUP_ALIGN_ABOTTOM)
+    y = rect_height - (height + 2*ypad);
+  else if (vert_alignment == IUP_ALIGN_ATOP)
+    y = 0;
+  else  /* ACENTER */
+    y = (rect_height - (height + 2*ypad))/2;
+
+  y += ypad;
+
+  if (shift)
+    y++;
+
+  return y;
+}
+
+static HBITMAP winButtonGetBitmap(Ihandle* ih, UINT itemState, int *shift, int *w, int *h, int *bpp, HBITMAP *hMask)
+{
+  char *name;
+  int make_inactive = 0;
+  HBITMAP hBitmap;
+  *hMask = NULL;
+
+  if (itemState & ODS_DISABLED)
+  {
+    name = iupAttribGet(ih, "IMINACTIVE");
+    if (!name)
+    {
+      name = iupAttribGet(ih, "IMAGE");
+      make_inactive = 1;
+    }
+  }
+  else
+  {
+    name = iupAttribGet(ih, "IMPRESS");
+    if (itemState & ODS_SELECTED && name)
+    {
+      if (shift && !iupAttribGetStr(ih, "IMPRESSBORDER")) 
+        *shift = 0;
+    }
+    else
+      name = iupAttribGet(ih, "IMAGE");
+  }
+
+  hBitmap = iupImageGetImage(name, ih, make_inactive);
+
+  /* must use this info, since image can be a driver image loaded from resources */
+  iupdrvImageGetInfo(hBitmap, w, h, bpp);
+
+  if (*bpp == 8)
+    *hMask = iupdrvImageCreateMask(IupGetHandle(name));
+
+  return hBitmap;
+}
+
+static void winButtonDrawImageText(Ihandle* ih, HDC hDC, int rect_width, int rect_height, int border, UINT itemState)
+{
+  int xpad = ih->data->horiz_padding + border, 
+      ypad = ih->data->vert_padding + border;
+  int x, y, width, height, 
+      txt_x, txt_y, txt_width, txt_height, 
+      img_x, img_y, img_width, img_height, 
+      bpp, shift = 0;
+  HFONT hFont = (HFONT)iupwinGetHFontAttrib(ih);
+  HBITMAP hBitmap, hMask;
+  COLORREF fgcolor;
+
+  char* title = iupdrvBaseGetTitleAttrib(ih);
+  char* str = iupStrProcessMnemonic(title, NULL, 0);   /* remove & */
+  iupdrvFontGetMultiLineStringSize(ih, str, &txt_width, &txt_height);
+  if (str && str!=title) free(str);
+
+  if (itemState & ODS_DISABLED)
+    fgcolor = GetSysColor(COLOR_GRAYTEXT);
+  else
+    fgcolor = ih->data->fgcolor;
+
+  hBitmap = winButtonGetBitmap(ih, itemState, NULL, &img_width, &img_height, &bpp, &hMask);
+  if (!hBitmap)
+    return;
+
+  if (ih->data->img_position == IUP_IMGPOS_RIGHT ||
+      ih->data->img_position == IUP_IMGPOS_LEFT)
+  {
+    width  = img_width + txt_width + ih->data->spacing;
+    height = iupMAX(img_height, txt_height);
+  }
+  else
+  {
+    width = iupMAX(img_width, txt_width);
+    height = img_height + txt_height + ih->data->spacing;
+  }
+
+  if (itemState & ODS_SELECTED && !iupwin_comctl32ver6)
+    shift = 1;
+
+  x = winButtonCalcAlignPosX(ih->data->horiz_alignment, rect_width, width, xpad, shift);
+  y = winButtonCalcAlignPosY(ih->data->vert_alignment, rect_height, height, ypad, shift);
+
+  switch(ih->data->img_position)
+  {
+  case IUP_IMGPOS_TOP:
+    img_y = y;
+    txt_y = y + img_height + ih->data->spacing;
+    if (img_width > txt_width)
+    {
+      img_x = x;
+      txt_x = x + (img_width-txt_width)/2;
+    }
+    else
+    {
+      img_x = x + (txt_width-img_width)/2;
+      txt_x = x;
+    }
+    break;
+  case IUP_IMGPOS_BOTTOM:
+    img_y = y + txt_height + ih->data->spacing;
+    txt_y = y;
+    if (img_width > txt_width)
+    {
+      img_x = x;
+      txt_x = x + (img_width-txt_width)/2;
+    }
+    else
+    {
+      img_x = x + (txt_width-img_width)/2;
+      txt_x = x;
+    }
+    break;
+  case IUP_IMGPOS_RIGHT:
+    img_x = x + txt_width + ih->data->spacing;
+    txt_x = x;
+    if (img_height > txt_height)
+    {
+      img_y = y;
+      txt_y = y + (img_height-txt_height)/2;
+    }
+    else
+    {
+      img_y = y + (txt_height-img_height)/2;
+      txt_y = y;
+    }
+    break;
+  default: /* IUP_IMGPOS_LEFT */
+    img_x = x;
+    txt_x = x + img_width + ih->data->spacing;
+    if (img_height > txt_height)
+    {
+      img_y = y;
+      txt_y = y + (img_height-txt_height)/2;
+    }
+    else
+    {
+      img_y = y + (txt_height-img_height)/2;
+      txt_y = y;
+    }
+    break;
+  }
+
+  iupwinDrawBitmap(hDC, hBitmap, hMask, img_x, img_y, img_width, img_height, bpp);
+  iupwinDrawText(hDC, title, txt_x, txt_y, txt_width, txt_height, hFont, fgcolor, 0);
+
+  if (hMask)
+    DeleteObject(hMask);
+}
+
+static void winButtonDrawImage(Ihandle* ih, HDC hDC, int rect_width, int rect_height, int border, UINT itemState)
+{
+  int xpad = ih->data->horiz_padding + border, 
+      ypad = ih->data->vert_padding + border;
+  int x, y, width, height, bpp, shift = 0;
+  HBITMAP hBitmap, hMask;
+
+  if (itemState & ODS_SELECTED && !iupwin_comctl32ver6)
+    shift = 1;
+
+  hBitmap = winButtonGetBitmap(ih, itemState, &shift, &width, &height, &bpp, &hMask);
+  if (!hBitmap)
+    return;
+
+  x = winButtonCalcAlignPosX(ih->data->horiz_alignment, rect_width, width, xpad, shift);
+  y = winButtonCalcAlignPosY(ih->data->vert_alignment, rect_height, height, ypad, shift);
+
+  iupwinDrawBitmap(hDC, hBitmap, hMask, x, y, width, height, bpp);
+
+  if (hMask)
+    DeleteObject(hMask);
+}
+
+static void winButtonDrawText(Ihandle* ih, HDC hDC, int rect_width, int rect_height, int border, UINT itemState)
+{
+  int xpad = ih->data->horiz_padding + border, 
+      ypad = ih->data->vert_padding + border;
+  int x, y, width, height, shift = 0;
+  COLORREF fgcolor;
+
+  char* title = iupdrvBaseGetTitleAttrib(ih);
+  if (title)
+  {
+    HFONT hFont = (HFONT)iupwinGetHFontAttrib(ih);
+    char* str = iupStrProcessMnemonic(title, NULL, 0);   /* remove & */
+    iupdrvFontGetMultiLineStringSize(ih, str, &width, &height);
+    if (str && str!=title) free(str);
+
+    if (itemState & ODS_DISABLED)
+      fgcolor = GetSysColor(COLOR_GRAYTEXT);
+    else
+      fgcolor = ih->data->fgcolor;
+
+    if (itemState & ODS_SELECTED && !iupwin_comctl32ver6)
+      shift = 1;
+
+    x = winButtonCalcAlignPosX(ih->data->horiz_alignment, rect_width, width, xpad, shift);
+    y = winButtonCalcAlignPosY(ih->data->vert_alignment, rect_height, height, ypad, shift);
+
+    iupwinDrawText(hDC, title, x, y, width, height, hFont, fgcolor, 0);
+  }
+  else
+  {
+    /* fill with the background color if defined at the element */
+    char* bgcolor = iupAttribGet(ih, "BGCOLOR");
+    if (bgcolor)
+    {
+      RECT rect;
+      unsigned char r=0, g=0, b=0;
+      iupStrToRGB(bgcolor, &r, &g, &b);
+      SetDCBrushColor(hDC, RGB(r,g,b));
+      rect.left = xpad;
+      rect.top = ypad;
+      rect.right = rect_width - xpad;
+      rect.bottom = rect_height - ypad;
+      FillRect(hDC, &rect, (HBRUSH)GetStockObject(DC_BRUSH));
+    }
+  }
+}
+
+static void winButtonDrawItem(Ihandle* ih, DRAWITEMSTRUCT *drawitem)
+{ 
+  iupwinBitmapDC bmpDC;
+  int border, draw_border;
+  int width = drawitem->rcItem.right - drawitem->rcItem.left;
+  int height = drawitem->rcItem.bottom - drawitem->rcItem.top;
+
+  HDC hDC = iupwinDrawCreateBitmapDC(&bmpDC, drawitem->hDC, width, height);
+
+  iupwinDrawParentBackground(ih, hDC, &drawitem->rcItem);
+
+  if ((drawitem->itemState & ODS_FOCUS) && !(drawitem->itemState & ODS_HOTLIGHT))
+    drawitem->itemState |= ODS_DEFAULT;
+
+  border = winButtonGetBorder();
+
+  if (ih->data->type & IUP_BUTTON_IMAGE && iupAttribGet(ih, "IMPRESS") && !iupAttribGetStr(ih, "IMPRESSBORDER"))
+    draw_border = 0;
+  else
+  {
+    if (iupAttribGetBoolean(ih, "FLAT"))
+    {
+      if (drawitem->itemState & ODS_HOTLIGHT || iupAttribGet(ih, "_IUPWINBUT_ENTERWIN"))
+        draw_border = 1;
+      else
+        draw_border = 0;
+    }
+    else
+      draw_border = 1;
+  }
+
+  if (draw_border)
+    iupwinDrawButtonBorder(ih->handle, hDC, &drawitem->rcItem, drawitem->itemState);
+
+  if (ih->data->type == IUP_BUTTON_IMAGE)
+    winButtonDrawImage(ih, hDC, width, height, border, drawitem->itemState);
+  else if (ih->data->type == IUP_BUTTON_TEXT)
+    winButtonDrawText(ih, hDC, width, height, border, drawitem->itemState);
+  else  /* both */
+    winButtonDrawImageText(ih, hDC, width, height, border, drawitem->itemState);
+
+  if (drawitem->itemState & ODS_FOCUS)
+  {
+    border--;
+    iupdrvDrawFocusRect(ih, hDC, border, border, width-2*border, height-2*border);
+  }
+
+  iupwinDrawDestroyBitmapDC(&bmpDC);
+}
+
+
+/***********************************************************************************************/
+
+
+static int winButtonSetImageAttrib(Ihandle* ih, const char* value)
+{
+  (void)value;
+  if (ih->data->type != IUP_BUTTON_TEXT)
+  {
+    iupdrvDisplayUpdate(ih);
+    return 1;
+  }
+  else
+    return 0;
+}
+
+static int winButtonSetImInactiveAttrib(Ihandle* ih, const char* value)
+{
+  (void)value;
+  if (ih->data->type != IUP_BUTTON_TEXT)
+  {
+    iupdrvDisplayUpdate(ih);
+    return 1;
+  }
+  else
+    return 0;
+}
+
+static int winButtonSetImPressAttrib(Ihandle* ih, const char* value)
+{
+  (void)value;
+  if (ih->data->type != IUP_BUTTON_TEXT)
+  {
+    iupdrvDisplayUpdate(ih);
+    return 1;
+  }
+  else
+    return 0;
+}
+
+static int winButtonSetActiveAttrib(Ihandle* ih, const char* value)
+{
+  /* redraw IMINACTIVE image if any */
+  if (ih->data->type != IUP_BUTTON_TEXT)
+    iupdrvDisplayUpdate(ih);
+
+  return iupBaseSetActiveAttrib(ih, value);
+}
+
+static int winButtonSetAlignmentAttrib(Ihandle* ih, const char* value)
+{
+  char value1[30]="", value2[30]="";
+
+  iupStrToStrStr(value, value1, value2, ':');
+
+  if (iupStrEqualNoCase(value1, "ARIGHT"))
+    ih->data->horiz_alignment = IUP_ALIGN_ARIGHT;
+  else if (iupStrEqualNoCase(value1, "ALEFT"))
+    ih->data->horiz_alignment = IUP_ALIGN_ALEFT;
+  else /* "ACENTER" */
+    ih->data->horiz_alignment = IUP_ALIGN_ACENTER;
+
+  if (iupStrEqualNoCase(value2, "ABOTTOM"))
+    ih->data->vert_alignment = IUP_ALIGN_ABOTTOM;
+  else if (iupStrEqualNoCase(value2, "ATOP"))
+    ih->data->vert_alignment = IUP_ALIGN_ATOP;
+  else /* "ACENTER" */
+    ih->data->vert_alignment = IUP_ALIGN_ACENTER;
+
+  iupdrvDisplayRedraw(ih);
+
+  return 1;
+}
+
+static char* winButtonGetAlignmentAttrib(Ihandle *ih)
+{
+  char* horiz_align2str[3] = {"ALEFT", "ACENTER", "ARIGHT"};
+  char* vert_align2str[3] = {"ATOP", "ACENTER", "ABOTTOM"};
+  char *str = iupStrGetMemory(50);
+  sprintf(str, "%s:%s", horiz_align2str[ih->data->horiz_alignment], vert_align2str[ih->data->vert_alignment]);
+  return str;
+}
+
+static int winButtonSetPaddingAttrib(Ihandle* ih, const char* value)
+{
+  iupStrToIntInt(value, &ih->data->horiz_padding, &ih->data->vert_padding, 'x');
+  if (ih->handle)
+    iupdrvDisplayRedraw(ih);
+  return 0;
+}
+
+static int winButtonSetBgColorAttrib(Ihandle* ih, const char* value)
+{
+  /* update internal image cache for controls that have the IMAGE attribute */
+  if (ih->data->type != IUP_BUTTON_TEXT)
+  {
+    iupAttribSetStr(ih, "BGCOLOR", value);
+    iupImageUpdateParent(ih);
+    iupdrvDisplayRedraw(ih);
+  }
+  return 1;
+}
+
+static char* winButtonGetBgColorAttrib(Ihandle* ih)
+{
+  /* the most important use of this is to provide
+     the correct background for images */
+  if (iupwin_comctl32ver6 && !iupAttribGet(ih, "IMPRESS"))
+  {
+    COLORREF cr;
+    if (iupwinDrawGetThemeButtonBgColor(ih->handle, &cr))
+    {
+      char* str = iupStrGetMemory(20);
+      sprintf(str, "%d %d %d", (int)GetRValue(cr), (int)GetGValue(cr), (int)GetBValue(cr));
+      return str;
+    }
+  }
+
+  if (iupAttribGet(ih, "IMPRESS"))
+    return iupBaseNativeParentGetBgColorAttrib(ih);
+  else
+    return NULL;
+}
+
+static int winButtonSetFgColorAttrib(Ihandle* ih, const char* value)
+{
+  unsigned char r, g, b;
+  if (iupStrToRGB(value, &r, &g, &b))
+  {
+    ih->data->fgcolor = RGB(r,g,b);
+    iupdrvDisplayRedraw(ih);
+  }
+  return 1;
+}
+
+/****************************************************************************************/
+
+static int winButtonProc(Ihandle* ih, UINT msg, WPARAM wp, LPARAM lp, LRESULT *result)
+{
+  if (ih->data->type != IUP_BUTTON_TEXT)
+  {
+    /* redraw IMPRESS image if any */
+    if ((msg == WM_LBUTTONDOWN || msg == WM_LBUTTONUP) && iupAttribGet(ih, "IMPRESS"))
+      iupdrvDisplayRedraw(ih);
+  }
+
+  switch (msg)
+  {
+  case WM_XBUTTONDBLCLK:
+  case WM_LBUTTONDBLCLK:
+  case WM_MBUTTONDBLCLK:
+  case WM_RBUTTONDBLCLK:
+  case WM_XBUTTONDOWN:
+  case WM_LBUTTONDOWN:
+  case WM_MBUTTONDOWN:
+  case WM_RBUTTONDOWN:
+    {
+      iupwinButtonDown(ih, msg, wp, lp);
+      break;
+    }
+  case WM_XBUTTONUP:
+  case WM_LBUTTONUP:
+  case WM_MBUTTONUP:
+  case WM_RBUTTONUP:
+    {
+      iupwinButtonUp(ih, msg, wp, lp);
+
+      /* BN_CLICKED will NOT be notified when not receiving the focus */
+      if (msg==WM_LBUTTONUP && !iupAttribGetBoolean(ih, "FOCUSONCLICK"))
+      {
+        Icallback cb = IupGetCallback(ih, "ACTION");
+        if (cb && cb(ih) == IUP_CLOSE)
+          IupExitLoop();
+      }
+
+      break;
+    }
+  case WM_KEYDOWN:
+  case WM_SYSKEYDOWN:
+    if (wp==VK_RETURN)
+    {
+      /* enter activates the button */
+      iupdrvActivate(ih);
+
+      *result = 0;
+      return 1;   /* abort default processing, or the default button will be activated, 
+                     in this case even if there is a default button, this button must be activated instead. */
+    }
+    break;
+  case WM_MOUSELEAVE:
+    if (!iupwin_comctl32ver6)
+    {
+      iupAttribSetStr(ih, "_IUPWINBUT_ENTERWIN", NULL);
+      iupdrvDisplayRedraw(ih);
+    }
+    break;
+  case WM_MOUSEMOVE:
+    if (!iupwin_comctl32ver6)
+    {
+      if (!iupAttribGet(ih, "_IUPWINBUT_ENTERWIN"))
+      {
+        iupAttribSetStr(ih, "_IUPWINBUT_ENTERWIN", "1");
+        iupdrvDisplayRedraw(ih);
+      }
+    }
+    break;
+  case WM_SETFOCUS:
+    {
+      HWND previous = (HWND)wp;
+      if (!iupAttribGetBoolean(ih, "FOCUSONCLICK") && wp && iupAttribGet(ih, "_IUPWIN_ENTERWIN"))
+      {
+        SetFocus(previous);
+        *result = 0;
+        return 1;
+      }
+    }
+    break;
+  }
+
+  return iupwinBaseProc(ih, msg, wp, lp, result);
+}
+
+static int winButtonWmNotify(Ihandle* ih, NMHDR* msg_info, int *result)
+{
+  if (msg_info->code == NM_CUSTOMDRAW)
+  {
+    NMCUSTOMDRAW *customdraw = (NMCUSTOMDRAW*)msg_info;
+
+    if (customdraw->dwDrawStage==CDDS_PREERASE)
+    {
+      DRAWITEMSTRUCT drawitem;
+      drawitem.itemState = 0;
+
+      if (customdraw->uItemState & CDIS_DISABLED)
+        drawitem.itemState |= ODS_DISABLED;
+      else if (customdraw->uItemState & CDIS_SELECTED)
+        drawitem.itemState |= ODS_SELECTED;
+      else if (customdraw->uItemState & CDIS_HOT)
+        drawitem.itemState |= ODS_HOTLIGHT;
+      else if (customdraw->uItemState & CDIS_DEFAULT)
+        drawitem.itemState |= ODS_DEFAULT;
+
+      if (customdraw->uItemState & CDIS_FOCUS && (customdraw->uItemState & CDIS_SHOWKEYBOARDCUES))
+        drawitem.itemState |= ODS_FOCUS;
+
+      drawitem.hDC = customdraw->hdc;
+      drawitem.rcItem = customdraw->rc;
+
+      winButtonDrawItem(ih, (void*)&drawitem);  /* Simulate a WM_DRAWITEM */
+
+      *result = CDRF_SKIPDEFAULT;
+      return 1;
+    }
+  }
+
+  return 0; /* result not used */
+}
+
+static int winButtonWmCommand(Ihandle* ih, WPARAM wp, LPARAM lp)
+{
+  int cmd = HIWORD(wp);
+  switch (cmd)
+  {
+  case BN_DOUBLECLICKED:
+  case BN_CLICKED:
+    {
+      Icallback cb = IupGetCallback(ih, "ACTION");
+      if (cb && cb(ih) == IUP_CLOSE)
+        IupExitLoop();
+    }
+  }
+
+  (void)lp;
+  return 0; /* not used */
+}
+
+static int winButtonMapMethod(Ihandle* ih)
+{
+  char* value;
+  DWORD dwStyle = WS_CHILD | 
+                  BS_NOTIFY; /* necessary because of the base messages */
+
+  if (!ih->parent)
+    return IUP_ERROR;
+
+ /* Buttons with the BS_PUSHBUTTON style do NOT use the returned brush in WM_CTLCOLORBTN. 
+    Buttons with these styles are always drawn with the default system colors.
+    So FGCOLOR and BGCOLOR do NOT work.
+    The BS_FLAT style does NOT completely remove the borders. With XP styles is ignored. So FLAT do NOT work.
+    BCM_SETTEXTMARGIN is not working. 
+    Buttons with images and with XP styles do NOT draw the focus feedback.
+    Can NOT remove the borders when using IMPRESS.
+    So IUP will draw its own button,
+    but uses the Windows functions to draw text and images in native format. */
+  if (iupwin_comctl32ver6)
+    dwStyle |= BS_PUSHBUTTON; /* it will be an ownerdraw because we use NM_CUSTOMDRAW */
+  else
+    dwStyle |= BS_OWNERDRAW;
+
+  value = iupAttribGet(ih, "IMAGE");
+  if (value)
+  {
+    ih->data->type = IUP_BUTTON_IMAGE;
+
+    value = iupAttribGet(ih, "TITLE");
+    if (value)
+      ih->data->type |= IUP_BUTTON_TEXT;
+  }
+  else
+    ih->data->type = IUP_BUTTON_TEXT;
+
+  if (iupAttribGetBoolean(ih, "CANFOCUS"))
+    dwStyle |= WS_TABSTOP;
+
+  if (!iupwinCreateWindowEx(ih, "BUTTON", 0, dwStyle))
+    return IUP_ERROR;
+
+  /* Process WM_COMMAND */
+  IupSetCallback(ih, "_IUPWIN_COMMAND_CB", (Icallback)winButtonWmCommand);
+
+  /* Process BUTTON_CB */
+  IupSetCallback(ih, "_IUPWIN_CTRLPROC_CB", (Icallback)winButtonProc);
+
+  if (iupwin_comctl32ver6)
+    IupSetCallback(ih, "_IUPWIN_NOTIFY_CB", (Icallback)winButtonWmNotify);  /* Process WM_NOTIFY */
+  else
+    IupSetCallback(ih, "_IUPWIN_DRAWITEM_CB", (Icallback)winButtonDrawItem);  /* Process WM_DRAWITEM */
+
+  return IUP_NOERROR;
+}
+
+void iupdrvButtonInitClass(Iclass* ic)
+{
+  /* Driver Dependent Class functions */
+  ic->Map = winButtonMapMethod;
+
+  /* Driver Dependent Attribute functions */
+
+  /* Overwrite Visual */
+  iupClassRegisterAttribute(ic, "ACTIVE", iupBaseGetActiveAttrib, winButtonSetActiveAttrib, IUPAF_SAMEASSYSTEM, "YES", IUPAF_DEFAULT);
+
+  /* Visual */
+  iupClassRegisterAttribute(ic, "BGCOLOR", winButtonGetBgColorAttrib, winButtonSetBgColorAttrib, IUPAF_SAMEASSYSTEM, "DLGBGCOLOR", IUPAF_DEFAULT);
+
+  /* Special */
+  iupClassRegisterAttribute(ic, "FGCOLOR", NULL, winButtonSetFgColorAttrib, "DLGFGCOLOR", NULL, IUPAF_NOT_MAPPED);  /* force the new default value */  
+  iupClassRegisterAttribute(ic, "TITLE", iupdrvBaseGetTitleAttrib, iupdrvBaseSetTitleAttrib, NULL, NULL, IUPAF_NO_DEFAULTVALUE|IUPAF_NO_INHERIT);
+
+  /* IupButton only */
+  iupClassRegisterAttribute(ic, "ALIGNMENT", winButtonGetAlignmentAttrib, winButtonSetAlignmentAttrib, "ACENTER:ACENTER", NULL, IUPAF_NO_INHERIT);
+  iupClassRegisterAttribute(ic, "IMAGE", NULL, winButtonSetImageAttrib, NULL, NULL, IUPAF_NO_DEFAULTVALUE|IUPAF_NO_INHERIT);
+  iupClassRegisterAttribute(ic, "IMINACTIVE", NULL, winButtonSetImInactiveAttrib, NULL, NULL, IUPAF_NO_DEFAULTVALUE|IUPAF_NO_INHERIT);
+  iupClassRegisterAttribute(ic, "IMPRESS", NULL, winButtonSetImPressAttrib, NULL, NULL, IUPAF_NO_DEFAULTVALUE|IUPAF_NO_INHERIT);
+  iupClassRegisterAttribute(ic, "FOCUSONCLICK", NULL, NULL, "YES", NULL, IUPAF_NO_INHERIT);
+
+  iupClassRegisterAttribute(ic, "PADDING", iupButtonGetPaddingAttrib, winButtonSetPaddingAttrib, IUPAF_SAMEASSYSTEM, "0x0", IUPAF_NOT_MAPPED);
+}