Changeset 1525 for trunk/src/user32/win32wbase.cpp

Timestamp:

Oct 30, 1999, 8:40:49 PM (26 years ago)

Author:

cbratschi

Message:

button, static, scroll and dialog fixes

File:

• trunk/src/user32/win32wbase.cpp (modified) (5 diffs)

trunk/src/user32/win32wbase.cpp

@@ -1 @@
-/* $Id: win32wbase.cpp,v 1.68 1999-10-30 09:19:45 sandervl Exp $ */
+/* $Id: win32wbase.cpp,v 1.69 1999-10-30 18:40:48 cbratschi Exp $ */
 /*
  * Win32 Window Base Class for OS/2
@@ -16 +16 @@
  */
 #include <os2win.h>
+#include <windowsx.h>
 #include <win.h>
 #include <stdlib.h>
@@ -190 +191 @@
 
   ownDC              = 0;
+
+  //set dialog base units
+  if(fInitialized == FALSE) {
+    if(DIALOG_Init() == FALSE) {
+      dprintf(("DIALOG_Init FAILED!"));
+      DebugInt3();
+      SetLastError(ERROR_GEN_FAILURE);
+      return;
+    }
+    fInitialized = TRUE;
+  }
+
 }
 //******************************************************************************
@@ -1584 +1597 @@
     case WM_SETTEXT:
     {
-        if(!fInternalMsg) 
+        if(!fInternalMsg)
         {
            LRESULT result;
@@ -2739 +2752 @@
 //    else    return hwnd;    //OS/2 window handle
 }
+/***********************************************************************
+ *           DIALOG_Init
+ *
+ * Initialisation of the dialog manager.
+ */
+BOOL Win32BaseWindow::DIALOG_Init(void)
+{
+    HDC hdc;
+    SIZE size;
+
+    /* Calculate the dialog base units */
+    if (!(hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL ))) return FALSE;
+    if (!getCharSizeFromDC( hdc, 0, &size )) return FALSE;
+    DeleteDC( hdc );
+    xBaseUnit = size.cx;
+    yBaseUnit = size.cy;
+
+    return TRUE;
+}
+/***********************************************************************
+ *           DIALOG_GetCharSizeFromDC
+ *
+ *
+ *  Calculates the *true* average size of English characters in the
+ *  specified font as oppposed to the one returned by GetTextMetrics.
+ */
+BOOL Win32BaseWindow::getCharSizeFromDC( HDC hDC, HFONT hUserFont, SIZE * pSize )
+{
+    BOOL Success = FALSE;
+    HFONT hUserFontPrev = 0;
+    pSize->cx = xBaseUnit;
+    pSize->cy = yBaseUnit;
+
+    if ( hDC )
+    {
+        /* select the font */
+        TEXTMETRICA tm;
+        memset(&tm,0,sizeof(tm));
+        if (hUserFont) hUserFontPrev = SelectFont(hDC,hUserFont);
+        if (GetTextMetricsA(hDC,&tm))
+        {
+            pSize->cx = tm.tmAveCharWidth;
+            pSize->cy = tm.tmHeight;
+
+            /* if variable width font */
+            if (tm.tmPitchAndFamily & TMPF_FIXED_PITCH)
+            {
+                SIZE total;
+                static const char szAvgChars[53] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+                /* Calculate a true average as opposed to the one returned
+                 * by tmAveCharWidth. This works better when dealing with
+                 * proportional spaced fonts and (more important) that's
+                 * how Microsoft's dialog creation code calculates the size
+                 * of the font
+                 */
+                if (GetTextExtentPointA(hDC,szAvgChars,sizeof(szAvgChars),&total))
+                {
+                   /* round up */
+                    pSize->cx = ((2*total.cx/sizeof(szAvgChars)) + 1)/2;
+                    Success = TRUE;
+                }
+            }
+            else
+            {
+                Success = TRUE;
+            }
+        }
+
+        /* select the original font */
+        if (hUserFontPrev) SelectFont(hDC,hUserFontPrev);
+    }
+    return (Success);
+}
+/***********************************************************************
+ *           DIALOG_GetCharSize
+ *
+ *
+ *  Calculates the *true* average size of English characters in the
+ *  specified font as oppposed to the one returned by GetTextMetrics.
+ *  A convenient variant of DIALOG_GetCharSizeFromDC.
+ */
+BOOL Win32BaseWindow::getCharSize( HFONT hUserFont, SIZE * pSize )
+{
+    HDC  hDC = GetDC(0);
+    BOOL Success = getCharSizeFromDC( hDC, hUserFont, pSize );
+    ReleaseDC(0, hDC);
+    return Success;
+}
+//******************************************************************************
+// GetNextDlgTabItem32   (USER32.276)
+//******************************************************************************
+HWND Win32BaseWindow::getNextDlgTabItem(HWND hwndCtrl, BOOL fPrevious)
+{
+ Win32BaseWindow *child, *nextchild, *lastchild;
+ HWND retvalue;
+
+    if (hwndCtrl)
+    {
+        child = GetWindowFromHandle(hwndCtrl);
+        if (!child)
+        {
+            retvalue = 0;
+            goto END;
+        }
+        /* Make sure hwndCtrl is a top-level child */
+        while ((child->getStyle() & WS_CHILD) && (child->getParent() != this))
+        {
+            child = child->getParent();
+            if(child == NULL) break;
+        }
+
+        if (!child || child->getParent() != this)
+        {
+            retvalue = 0;
+            goto END;
+        }
+    }
+    else
+    {
+        /* No ctrl specified -> start from the beginning */
+        child = (Win32BaseWindow *)getFirstChild();
+        if (!child)
+        {
+            retvalue = 0;
+            goto END;
+        }
+
+        if (!fPrevious)
+        {
+            while (child->getNextChild())
+            {
+                child = (Win32BaseWindow *)child->getNextChild();
+            }
+        }
+    }
+
+    lastchild = child;
+    nextchild = (Win32BaseWindow *)child->getNextChild();
+    while (TRUE)
+    {
+        if (!nextchild) nextchild = (Win32BaseWindow *)getFirstChild();
+
+        if (child == nextchild) break;
+
+        if ((nextchild->getStyle() & WS_TABSTOP) && (nextchild->getStyle() & WS_VISIBLE) &&
+            !(nextchild->getStyle() & WS_DISABLED))
+        {
+            lastchild = nextchild;
+            if (!fPrevious) break;
+        }
+        nextchild = (Win32BaseWindow *)nextchild->getNextChild();
+    }
+    retvalue = lastchild->getWindowHandle();
+
+END:
+    return retvalue;
+}
+//******************************************************************************
+//******************************************************************************
+HWND Win32BaseWindow::getNextDlgGroupItem(HWND hwndCtrl, BOOL fPrevious)
+{
+ Win32BaseWindow *child, *nextchild, *lastchild;
+ HWND retvalue;
+
+    if (hwndCtrl)
+    {
+        child = GetWindowFromHandle(hwndCtrl);
+        if (!child)
+        {
+            retvalue = 0;
+            goto END;
+        }
+        /* Make sure hwndCtrl is a top-level child */
+        while ((child->getStyle() & WS_CHILD) && (child->getParent() != this))
+        {
+            child = child->getParent();
+            if(child == NULL) break;
+        }
+
+        if (!child || child->getParent() != this)
+        {
+            retvalue = 0;
+            goto END;
+        }
+    }
+    else
+    {
+        /* No ctrl specified -> start from the beginning */
+        child = (Win32BaseWindow *)getFirstChild();
+        if (!child)
+        {
+            retvalue = 0;
+            goto END;
+        }
+
+        if (fPrevious)
+        {
+            while (child->getNextChild())
+            {
+                child = (Win32BaseWindow *)child->getNextChild();
+            }
+        }
+    }
+
+    lastchild = child;
+    nextchild = (Win32BaseWindow *)child->getNextChild();
+    while (TRUE)
+    {
+        if (!nextchild || nextchild->getStyle() & WS_GROUP)
+        {
+            /* Wrap-around to the beginning of the group */
+            Win32BaseWindow *pWndTemp;
+
+            nextchild = (Win32BaseWindow *)getFirstChild();
+
+            for(pWndTemp = nextchild;pWndTemp;pWndTemp = (Win32BaseWindow *)pWndTemp->getNextChild())
+            {
+                if (pWndTemp->getStyle() & WS_GROUP)
+                    nextchild = pWndTemp;
+
+                if (pWndTemp == child)
+                    break;
+            }
+
+        }
+        if (nextchild == child)
+            break;
+
+        if ((nextchild->getStyle() & WS_VISIBLE) && !(nextchild->getStyle() & WS_DISABLED))
+        {
+            lastchild = nextchild;
+
+            if (!fPrevious)
+                break;
+        }
+
+        nextchild = (Win32BaseWindow *)nextchild->getNextChild();
+    }
+    retvalue = lastchild->getWindowHandle();
+END:
+    return retvalue;
+}
+//******************************************************************************
+//******************************************************************************
+BOOL Win32BaseWindow::MapDialogRect(LPRECT rect)
+{
+    rect->left   = (rect->left * xBaseUnit) / 4;
+    rect->right  = (rect->right * xBaseUnit) / 4;
+    rect->top    = (rect->top * yBaseUnit) / 8;
+    rect->bottom = (rect->bottom * yBaseUnit) / 8;
+    return TRUE;
+}
+//******************************************************************************
+//******************************************************************************
+BOOL Win32BaseWindow::fInitialized = FALSE;
+int  Win32BaseWindow::xBaseUnit    = 10;
+int  Win32BaseWindow::yBaseUnit    = 20;
 //******************************************************************************
 //******************************************************************************