480 lines
12 KiB
C
Executable File
480 lines
12 KiB
C
Executable File
/*
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*Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
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*
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*Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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*"Software"), to deal in the Software without restriction, including
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*without limitation the rights to use, copy, modify, merge, publish,
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*distribute, sublicense, and/or sell copies of the Software, and to
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*permit persons to whom the Software is furnished to do so, subject to
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*the following conditions:
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*
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*The above copyright notice and this permission notice shall be
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*included in all copies or substantial portions of the Software.
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*
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*THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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*EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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*MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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*NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
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*ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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*CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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*WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*Except as contained in this notice, the name of the XFree86 Project
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*shall not be used in advertising or otherwise to promote the sale, use
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*or other dealings in this Software without prior written authorization
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*from the XFree86 Project.
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*
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* Authors: Earle F. Philhower, III
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*/
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/* $XFree86: xc/programs/Xserver/hw/xwin/winwindow.c,v 1.5 2002/11/07 10:31:32 alanh Exp $ */
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#ifdef HAVE_XWIN_CONFIG_H
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#include <xwin-config.h>
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#endif
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#include "win.h"
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#include "dixevents.h"
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#include "winmultiwindowclass.h"
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#include "winprefs.h"
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/*
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* External global variables
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*/
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extern HICON g_hIconX;
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extern HICON g_hSmallIconX;
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/*
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* Prototypes for local functions
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*/
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static void
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winScaleXBitmapToWindows (int iconSize, int effBPP,
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PixmapPtr pixmap, unsigned char *image);
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/*
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* Scale an X icon bitmap into a Windoze icon bitmap
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*/
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static void
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winScaleXBitmapToWindows (int iconSize,
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int effBPP,
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PixmapPtr pixmap,
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unsigned char *image)
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{
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int row, column, effXBPP, effXDepth;
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unsigned char *outPtr;
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unsigned char *iconData = 0;
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int stride, xStride;
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float factX, factY;
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int posX, posY;
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unsigned char *ptr;
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unsigned int zero;
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unsigned int color;
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effXBPP = BitsPerPixel(pixmap->drawable.depth);
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effXDepth = pixmap->drawable.depth;
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if (pixmap->drawable.bitsPerPixel == 15)
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effXBPP = 16;
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if (pixmap->drawable.depth == 15)
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effXDepth = 16;
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/* Need 32-bit aligned rows */
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stride = ((iconSize * effBPP + 31) & (~31)) / 8;
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xStride = PixmapBytePad (pixmap->drawable.width, pixmap->drawable.depth);
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if (stride == 0 || xStride == 0)
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{
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ErrorF ("winScaleXBitmapToWindows - stride or xStride is zero. "
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"Bailing.\n");
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return;
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}
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/* Allocate memory for icon data */
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iconData = malloc (xStride * pixmap->drawable.height);
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if (!iconData)
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{
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ErrorF ("winScaleXBitmapToWindows - malloc failed for iconData. "
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"Bailing.\n");
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return;
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}
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/* Get icon data */
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miGetImage ((DrawablePtr) &(pixmap->drawable), 0, 0,
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pixmap->drawable.width, pixmap->drawable.height,
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ZPixmap, 0xffffffff, iconData);
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/* Keep aspect ratio */
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factX = ((float)pixmap->drawable.width) / ((float)iconSize);
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factY = ((float)pixmap->drawable.height) / ((float)iconSize);
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if (factX > factY)
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factY = factX;
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else
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factX = factY;
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/* Out-of-bounds, fill icon with zero */
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zero = 0;
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for (row = 0; row < iconSize; row++)
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{
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outPtr = image + stride * row;
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for (column = 0; column < iconSize; column++)
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{
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posX = factX * column;
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posY = factY * row;
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ptr = iconData + posY*xStride;
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if (effXBPP == 1)
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{
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ptr += posX / 8;
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/* Out of X icon bounds, leave space blank */
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if (posX >= pixmap->drawable.width
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|| posY >= pixmap->drawable.height)
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ptr = (unsigned char *) &zero;
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if ((*ptr) & (1 << (posX & 7)))
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switch (effBPP)
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{
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case 32:
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*(outPtr++) = 0;
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case 24:
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*(outPtr++) = 0;
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case 16:
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*(outPtr++) = 0;
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case 8:
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*(outPtr++) = 0;
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break;
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case 1:
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outPtr[column / 8] &= ~(1 << (7 - (column & 7)));
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break;
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}
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else
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switch (effBPP)
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{
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case 32:
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*(outPtr++) = 255;
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*(outPtr++) = 255;
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*(outPtr++) = 255;
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*(outPtr++) = 0;
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break;
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case 24:
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*(outPtr++) = 255;
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case 16:
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*(outPtr++) = 255;
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case 8:
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*(outPtr++) = 255;
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break;
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case 1:
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outPtr[column / 8] |= (1 << (7 - (column & 7)));
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break;
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}
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}
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else if (effXDepth == 24 || effXDepth == 32)
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{
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ptr += posX * (effXBPP / 8);
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/* Out of X icon bounds, leave space blank */
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if (posX >= pixmap->drawable.width
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|| posY >= pixmap->drawable.height)
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ptr = (unsigned char *) &zero;
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color = (((*ptr) << 16)
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+ ((*(ptr + 1)) << 8)
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+ ((*(ptr + 2)) << 0));
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switch (effBPP)
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{
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case 32:
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*(outPtr++) = *(ptr++); // b
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*(outPtr++) = *(ptr++); // g
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*(outPtr++) = *(ptr++); // r
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*(outPtr++) = 0; // resvd
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break;
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case 24:
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*(outPtr++) = *(ptr++);
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*(outPtr++) = *(ptr++);
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*(outPtr++) = *(ptr++);
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break;
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case 16:
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color = ((((*ptr) >> 2) << 10)
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+ (((*(ptr + 1)) >> 2) << 5)
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+ (((*(ptr + 2)) >> 2)));
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*(outPtr++) = (color >> 8);
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*(outPtr++) = (color & 255);
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break;
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case 8:
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color = (((*ptr))) + (((*(ptr + 1)))) + (((*(ptr + 2))));
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color /= 3;
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*(outPtr++) = color;
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break;
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case 1:
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if (color)
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outPtr[column / 8] |= (1 << (7 - (column & 7)));
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else
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outPtr[column / 8] &= ~(1 << (7 - (column & 7)));
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}
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}
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else if (effXDepth == 16)
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{
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ptr += posX * (effXBPP / 8);
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/* Out of X icon bounds, leave space blank */
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if (posX >= pixmap->drawable.width
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|| posY >= pixmap->drawable.height)
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ptr = (unsigned char *) &zero;
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color = ((*ptr) << 8) + (*(ptr + 1));
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switch (effBPP)
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{
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case 32:
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*(outPtr++) = (color & 31) << 2;
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*(outPtr++) = ((color >> 5) & 31) << 2;
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*(outPtr++) = ((color >> 10) & 31) << 2;
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*(outPtr++) = 0; // resvd
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break;
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case 24:
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*(outPtr++) = (color & 31) << 2;
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*(outPtr++) = ((color >> 5) & 31) << 2;
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*(outPtr++) = ((color >> 10) & 31) << 2;
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break;
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case 16:
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*(outPtr++) = *(ptr++);
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*(outPtr++) = *(ptr++);
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break;
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case 8:
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*(outPtr++) = (((color & 31)
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+ ((color >> 5) & 31)
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+ ((color >> 10) & 31)) / 3) << 2;
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break;
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case 1:
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if (color)
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outPtr[column / 8] |= (1 << (7 - (column & 7)));
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else
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outPtr[column / 8] &= ~(1 << (7 - (column & 7)));
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break;
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} /* end switch(effbpp) */
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} /* end if effxbpp==16) */
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} /* end for column */
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} /* end for row */
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free (iconData);
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}
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/*
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* Attempt to create a custom icon from the WM_HINTS bitmaps
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*/
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HICON
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winXIconToHICON (WindowPtr pWin, int iconSize)
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{
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unsigned char *mask, *image, *imageMask;
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unsigned char *dst, *src;
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PixmapPtr iconPtr;
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PixmapPtr maskPtr;
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int planes, bpp, effBPP, stride, maskStride, i;
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HDC hDC;
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ICONINFO ii;
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WinXWMHints hints;
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HICON hIcon;
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winMultiWindowGetWMHints (pWin, &hints);
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if (!hints.icon_pixmap) return NULL;
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iconPtr = (PixmapPtr) LookupIDByType (hints.icon_pixmap, RT_PIXMAP);
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if (!iconPtr) return NULL;
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hDC = GetDC (GetDesktopWindow ());
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planes = GetDeviceCaps (hDC, PLANES);
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bpp = GetDeviceCaps (hDC, BITSPIXEL);
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ReleaseDC (GetDesktopWindow (), hDC);
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/* 15 BPP is really 16BPP as far as we care */
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if (bpp == 15)
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effBPP = 16;
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else
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effBPP = bpp;
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/* Need 32-bit aligned rows */
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stride = ((iconSize * effBPP + 31) & (~31)) / 8;
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/* Mask is 1-bit deep */
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maskStride = ((iconSize * 1 + 31) & (~31)) / 8;
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image = (unsigned char * ) malloc (stride * iconSize);
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imageMask = (unsigned char *) malloc (stride * iconSize);
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mask = (unsigned char *) malloc (maskStride * iconSize);
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/* Default to a completely black mask */
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memset (mask, 0, maskStride * iconSize);
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winScaleXBitmapToWindows (iconSize, effBPP, iconPtr, image);
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maskPtr = (PixmapPtr) LookupIDByType (hints.icon_mask, RT_PIXMAP);
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if (maskPtr)
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{
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winScaleXBitmapToWindows (iconSize, 1, maskPtr, mask);
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winScaleXBitmapToWindows (iconSize, effBPP, maskPtr, imageMask);
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/* Now we need to set all bits of the icon which are not masked */
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/* on to 0 because Color is really an XOR, not an OR function */
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dst = image;
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src = imageMask;
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for (i = 0; i < (stride * iconSize); i++)
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if ((*(src++)))
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*(dst++) = 0;
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else
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dst++;
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}
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ii.fIcon = TRUE;
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ii.xHotspot = 0; /* ignored */
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ii.yHotspot = 0; /* ignored */
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/* Create Win32 mask from pixmap shape */
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ii.hbmMask = CreateBitmap (iconSize, iconSize, planes, 1, mask);
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/* Create Win32 bitmap from pixmap */
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ii.hbmColor = CreateBitmap (iconSize, iconSize, planes, bpp, image);
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/* Merge Win32 mask and bitmap into icon */
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hIcon = CreateIconIndirect (&ii);
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/* Release Win32 mask and bitmap */
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DeleteObject (ii.hbmMask);
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DeleteObject (ii.hbmColor);
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/* Free X mask and bitmap */
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free (mask);
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free (image);
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free (imageMask);
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return hIcon;
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}
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/*
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* Change the Windows window icon
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*/
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#ifdef XWIN_MULTIWINDOW
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void
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winUpdateIcon (Window id)
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{
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WindowPtr pWin;
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HICON hIcon, hiconOld;
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pWin = (WindowPtr) LookupIDByType (id, RT_WINDOW);
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if (!pWin) return;
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hIcon = (HICON)winOverrideIcon ((unsigned long)pWin);
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if (!hIcon)
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hIcon = winXIconToHICON (pWin, GetSystemMetrics(SM_CXICON));
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if (hIcon)
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{
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winWindowPriv(pWin);
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if (pWinPriv->hWnd)
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{
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hiconOld = (HICON) SetClassLong (pWinPriv->hWnd,
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GCL_HICON,
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(int) hIcon);
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/* Delete the icon if its not the default */
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winDestroyIcon(hiconOld);
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}
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}
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hIcon = winXIconToHICON (pWin, GetSystemMetrics(SM_CXSMICON));
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if (hIcon)
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{
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winWindowPriv(pWin);
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if (pWinPriv->hWnd)
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{
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hiconOld = (HICON) SetClassLong (pWinPriv->hWnd,
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GCL_HICONSM,
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(int) hIcon);
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winDestroyIcon (hiconOld);
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}
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}
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}
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void winInitGlobalIcons (void)
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{
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int sm_cx = GetSystemMetrics(SM_CXICON);
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int sm_cxsm = GetSystemMetrics(SM_CXSMICON);
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/* Load default X icon in case it's not ready yet */
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if (!g_hIconX)
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{
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g_hIconX = (HICON)winOverrideDefaultIcon(sm_cx);
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g_hSmallIconX = (HICON)winOverrideDefaultIcon(sm_cxsm);
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}
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if (!g_hIconX)
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{
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g_hIconX = (HICON)LoadImage (g_hInstance,
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MAKEINTRESOURCE(IDI_XWIN),
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IMAGE_ICON,
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GetSystemMetrics(SM_CXICON),
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GetSystemMetrics(SM_CYICON),
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0);
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g_hSmallIconX = (HICON)LoadImage (g_hInstance,
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MAKEINTRESOURCE(IDI_XWIN),
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IMAGE_ICON,
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GetSystemMetrics(SM_CXSMICON),
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GetSystemMetrics(SM_CYSMICON),
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LR_DEFAULTSIZE);
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}
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}
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void winSelectIcons(WindowPtr pWin, HICON *pIcon, HICON *pSmallIcon)
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{
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HICON hIcon, hSmallIcon;
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winInitGlobalIcons();
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/* Try and get the icon from WM_HINTS */
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hIcon = winXIconToHICON (pWin, GetSystemMetrics(SM_CXICON));
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hSmallIcon = winXIconToHICON (pWin, GetSystemMetrics(SM_CXSMICON));
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/* If we got the small, but not the large one swap them */
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if (!hIcon && hSmallIcon)
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{
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hIcon = hSmallIcon;
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hSmallIcon = NULL;
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}
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/* Use default X icon if no icon loaded from WM_HINTS */
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if (!hIcon) {
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hIcon = g_hIconX;
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hSmallIcon = g_hSmallIconX;
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}
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if (pIcon)
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*pIcon = hIcon;
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else
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winDestroyIcon(hIcon);
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if (pSmallIcon)
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*pSmallIcon = hSmallIcon;
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else
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winDestroyIcon(hSmallIcon);
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}
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void winDestroyIcon(HICON hIcon)
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{
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/* Delete the icon if its not the default */
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if (hIcon &&
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hIcon != g_hIconX &&
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hIcon != g_hSmallIconX &&
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!winIconIsOverride((unsigned long)hIcon))
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DestroyIcon (hIcon);
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}
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#endif
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