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-rwxr-xr-xhw/xwin/winmultiwindowicons.c378
1 files changed, 378 insertions, 0 deletions
diff --git a/hw/xwin/winmultiwindowicons.c b/hw/xwin/winmultiwindowicons.c
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+++ b/hw/xwin/winmultiwindowicons.c
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+/*
+ *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
+ *
+ *Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ *"Software"), to deal in the Software without restriction, including
+ *without limitation the rights to use, copy, modify, merge, publish,
+ *distribute, sublicense, and/or sell copies of the Software, and to
+ *permit persons to whom the Software is furnished to do so, subject to
+ *the following conditions:
+ *
+ *The above copyright notice and this permission notice shall be
+ *included in all copies or substantial portions of the Software.
+ *
+ *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
+ *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ *Except as contained in this notice, the name of the XFree86 Project
+ *shall not be used in advertising or otherwise to promote the sale, use
+ *or other dealings in this Software without prior written authorization
+ *from the XFree86 Project.
+ *
+ * Authors: Earle F. Philhower, III
+ */
+/* $XFree86: xc/programs/Xserver/hw/xwin/winmultiwindowicons.c,v 1.2 2003/10/02 13:30:10 eich Exp $ */
+
+#include "win.h"
+#include "dixevents.h"
+#include "winmultiwindowclass.h"
+#include "winprefs.h"
+
+
+/*
+ * External global variables
+ */
+
+extern HICON g_hiconX;
+
+
+/*
+ * Prototypes for local functions
+ */
+
+static void
+winScaleXBitmapToWindows (int iconSize, int effBPP,
+ PixmapPtr pixmap, unsigned char *image);
+
+
+/*
+ * Scale an X icon bitmap into a Windoze icon bitmap
+ */
+
+static void
+winScaleXBitmapToWindows (int iconSize,
+ int effBPP,
+ PixmapPtr pixmap,
+ unsigned char *image)
+{
+ int row, column, effXBPP, effXDepth;
+ unsigned char *outPtr;
+ unsigned char *iconData = 0;
+ int stride, xStride;
+ float factX, factY;
+ int posX, posY;
+ unsigned char *ptr;
+ unsigned int zero;
+ unsigned int color;
+
+
+ if (pixmap->drawable.bitsPerPixel == 15)
+ effXBPP = 16;
+ else
+ effXBPP = pixmap->drawable.bitsPerPixel;
+
+ if (pixmap->drawable.depth == 15)
+ effXDepth = 16;
+ else
+ effXDepth = pixmap->drawable.depth;
+
+ /* Need 32-bit aligned rows */
+ stride = ((iconSize * effBPP + 31) & (~31)) / 8;
+ xStride = ((pixmap->drawable.width * effXBPP + 31) & (~31)) / 8;
+
+ iconData = malloc (xStride * pixmap->drawable.height);
+ miGetImage ((DrawablePtr) &(pixmap->drawable), 0, 0,
+ pixmap->drawable.width, pixmap->drawable.height,
+ ZPixmap, 0xffffffff, iconData);
+
+ /* Keep aspect ratio */
+ factX = ((float)pixmap->drawable.width) / ((float)iconSize);
+ factY = ((float)pixmap->drawable.height) / ((float)iconSize);
+ if (factX > factY)
+ factY = factX;
+ else
+ factX = factY;
+
+ /* Out-of-bounds, fill icon with zero */
+ zero = 0;
+
+ for (row = 0; row < iconSize; row++)
+ {
+ outPtr = image + stride * row;
+ for (column = 0; column < iconSize; column++)
+ {
+ posX = factX * column;
+ posY = factY * row;
+
+ ptr = iconData + posY*xStride;
+ if (effXBPP == 1)
+ {
+ ptr += posX / 8;
+
+ /* Out of X icon bounds, leave space blank */
+ if (posX >= pixmap->drawable.width
+ || posY >= pixmap->drawable.height)
+ ptr = (unsigned char *) &zero;
+
+ if ((*ptr) & (1 << (posX & 7)))
+ switch (effBPP)
+ {
+ case 32:
+ *(outPtr++) = 0;
+ case 24:
+ *(outPtr++) = 0;
+ case 16:
+ *(outPtr++) = 0;
+ case 8:
+ *(outPtr++) = 0;
+ break;
+ case 1:
+ outPtr[column / 8] &= ~(1 << (7 - (column & 7)));
+ break;
+ }
+ else
+ switch (effBPP)
+ {
+ case 32:
+ *(outPtr++) = 255;
+ *(outPtr++) = 255;
+ *(outPtr++) = 255;
+ *(outPtr++) = 0;
+ break;
+ case 24:
+ *(outPtr++) = 255;
+ case 16:
+ *(outPtr++) = 255;
+ case 8:
+ *(outPtr++) = 255;
+ break;
+ case 1:
+ outPtr[column / 8] |= (1 << (7 - (column & 7)));
+ break;
+ }
+ }
+ else if (effXDepth == 24 || effXDepth == 32)
+ {
+ ptr += posX * (effXBPP / 8);
+
+ /* Out of X icon bounds, leave space blank */
+ if (posX >= pixmap->drawable.width
+ || posY >= pixmap->drawable.height)
+ ptr = (unsigned char *) &zero;
+ color = (((*ptr) << 16)
+ + ((*(ptr + 1)) << 8)
+ + ((*(ptr + 2)) << 0));
+ switch (effBPP)
+ {
+ case 32:
+ *(outPtr++) = *(ptr++); // b
+ *(outPtr++) = *(ptr++); // g
+ *(outPtr++) = *(ptr++); // r
+ *(outPtr++) = 0; // resvd
+ break;
+ case 24:
+ *(outPtr++) = *(ptr++);
+ *(outPtr++) = *(ptr++);
+ *(outPtr++) = *(ptr++);
+ break;
+ case 16:
+ color = ((((*ptr) >> 2) << 10)
+ + (((*(ptr + 1)) >> 2) << 5)
+ + (((*(ptr + 2)) >> 2)));
+ *(outPtr++) = (color >> 8);
+ *(outPtr++) = (color & 255);
+ break;
+ case 8:
+ color = (((*ptr))) + (((*(ptr + 1)))) + (((*(ptr + 2))));
+ color /= 3;
+ *(outPtr++) = color;
+ break;
+ case 1:
+ if (color)
+ outPtr[column / 8] |= (1 << (7 - (column & 7)));
+ else
+ outPtr[column / 8] &= ~(1 << (7 - (column & 7)));
+ }
+ }
+ else if (effXDepth == 16)
+ {
+ ptr += posX * (effXBPP / 8);
+
+ /* Out of X icon bounds, leave space blank */
+ if (posX >= pixmap->drawable.width
+ || posY >= pixmap->drawable.height)
+ ptr = (unsigned char *) &zero;
+ color = ((*ptr) << 8) + (*(ptr + 1));
+ switch (effBPP)
+ {
+ case 32:
+ *(outPtr++) = (color & 31) << 2;
+ *(outPtr++) = ((color >> 5) & 31) << 2;
+ *(outPtr++) = ((color >> 10) & 31) << 2;
+ *(outPtr++) = 0; // resvd
+ break;
+ case 24:
+ *(outPtr++) = (color & 31) << 2;
+ *(outPtr++) = ((color >> 5) & 31) << 2;
+ *(outPtr++) = ((color >> 10) & 31) << 2;
+ break;
+ case 16:
+ *(outPtr++) = *(ptr++);
+ *(outPtr++) = *(ptr++);
+ break;
+ case 8:
+ *(outPtr++) = (((color & 31)
+ + ((color >> 5) & 31)
+ + ((color >> 10) & 31)) / 3) << 2;
+ break;
+ case 1:
+ if (color)
+ outPtr[column / 8] |= (1 << (7 - (column & 7)));
+ else
+ outPtr[column / 8] &= ~(1 << (7 - (column & 7)));
+ break;
+ } /* end switch(effbpp) */
+ } /* end if effxbpp==16) */
+ } /* end for column */
+ } /* end for row */
+ free (iconData);
+}
+
+
+/*
+ * Attempt to create a custom icon from the WM_HINTS bitmaps
+ */
+
+HICON
+winXIconToHICON (WindowPtr pWin)
+{
+ unsigned char *mask, *image, *imageMask;
+ unsigned char *dst, *src;
+ PixmapPtr iconPtr;
+ PixmapPtr maskPtr;
+ int iconSize, planes, bpp, effBPP, stride, maskStride, i;
+ HDC hDC;
+ ICONINFO ii;
+ WinXWMHints hints;
+ HICON hIcon;
+
+ winMultiWindowGetWMHints (pWin, &hints);
+ if (!hints.icon_pixmap) return NULL;
+
+ iconPtr = LookupIDByType (hints.icon_pixmap, RT_PIXMAP);
+
+ if (!iconPtr) return NULL;
+
+ iconSize = 32;
+
+ hDC = GetDC (GetDesktopWindow ());
+ planes = GetDeviceCaps (hDC, PLANES);
+ bpp = GetDeviceCaps (hDC, BITSPIXEL);
+ ReleaseDC (GetDesktopWindow (), hDC);
+
+ /* 15 BPP is really 16BPP as far as we care */
+ if (bpp == 15)
+ effBPP = 16;
+ else
+ effBPP = bpp;
+
+ /* Need 32-bit aligned rows */
+ stride = ((iconSize * effBPP + 31) & (~31)) / 8;
+
+ /* Mask is 1-bit deep */
+ maskStride = ((iconSize * 1 + 31) & (~31)) / 8;
+
+ image = (unsigned char * ) malloc (stride * iconSize);
+ imageMask = (unsigned char *) malloc (stride * iconSize);
+ mask = (unsigned char *) malloc (maskStride * iconSize);
+
+ /* Default to a completely black mask */
+ memset (mask, 0, maskStride * iconSize);
+
+ winScaleXBitmapToWindows (iconSize, effBPP, iconPtr, image);
+ maskPtr = LookupIDByType (hints.icon_mask, RT_PIXMAP);
+
+ if (maskPtr)
+ {
+ winScaleXBitmapToWindows (iconSize, 1, maskPtr, mask);
+
+ winScaleXBitmapToWindows (iconSize, effBPP, maskPtr, imageMask);
+
+ /* Now we need to set all bits of the icon which are not masked */
+ /* on to 0 because Color is really an XOR, not an OR function */
+ dst = image;
+ src = imageMask;
+
+ for (i = 0; i < (stride * iconSize); i++)
+ if ((*(src++)))
+ *(dst++) = 0;
+ else
+ dst++;
+ }
+
+ ii.fIcon = TRUE;
+ ii.xHotspot = 0; /* ignored */
+ ii.yHotspot = 0; /* ignored */
+
+ /* Create Win32 mask from pixmap shape */
+ ii.hbmMask = CreateBitmap (iconSize, iconSize, planes, 1, mask);
+
+ /* Create Win32 bitmap from pixmap */
+ ii.hbmColor = CreateBitmap (iconSize, iconSize, planes, bpp, image);
+
+ /* Merge Win32 mask and bitmap into icon */
+ hIcon = CreateIconIndirect (&ii);
+
+ /* Release Win32 mask and bitmap */
+ DeleteObject (ii.hbmMask);
+ DeleteObject (ii.hbmColor);
+
+ /* Free X mask and bitmap */
+ free (mask);
+ free (image);
+ free (imageMask);
+
+ return hIcon;
+}
+
+
+
+/*
+ * Change the Windows window icon
+ */
+
+void
+winUpdateIcon (Window id)
+{
+ WindowPtr pWin;
+ HICON hIcon, hiconOld;
+
+ pWin = LookupIDByType (id, RT_WINDOW);
+ hIcon = (HICON)winOverrideIcon ((unsigned long)pWin);
+
+ if (!hIcon)
+ hIcon = winXIconToHICON (pWin);
+
+ if (hIcon)
+ {
+ winWindowPriv(pWin);
+
+ if (pWinPriv->hWnd)
+ {
+ hiconOld = (HICON) SetClassLong (pWinPriv->hWnd,
+ GCL_HICON,
+ (int) hIcon);
+
+ /* Delete the icon if its not the default */
+ if (hiconOld != g_hiconX &&
+ !winIconIsOverride((unsigned long)hiconOld))
+ DeleteObject (hiconOld);
+ }
+ }
+}
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