diff options
Diffstat (limited to 'xorg-server/hw/xwin/winmultiwindowicons.c')
| -rw-r--r-- | xorg-server/hw/xwin/winmultiwindowicons.c | 1283 |
1 files changed, 641 insertions, 642 deletions
diff --git a/xorg-server/hw/xwin/winmultiwindowicons.c b/xorg-server/hw/xwin/winmultiwindowicons.c index 6af9636ea..763cb7e08 100644 --- a/xorg-server/hw/xwin/winmultiwindowicons.c +++ b/xorg-server/hw/xwin/winmultiwindowicons.c @@ -1,642 +1,641 @@ -/*
- *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
- */
-
-#ifdef HAVE_XWIN_CONFIG_H
-#include <xwin-config.h>
-#endif
-#include "win.h"
-#include "dixevents.h"
-#include "winmultiwindowclass.h"
-#include "winprefs.h"
-
-#include "propertyst.h"
-
-#include "propertyst.h"
-#include "windowstr.h"
-
-
-/*
- * 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;
- char *iconData = 0;
- int stride, xStride;
- float factX, factY;
- int posX, posY;
- unsigned char *ptr;
- unsigned int zero;
- unsigned int color;
-
- effXBPP = BitsPerPixel(pixmap->drawable.depth);
- effXDepth = pixmap->drawable.depth;
-
- if (pixmap->drawable.bitsPerPixel == 15)
- effXBPP = 16;
-
- if (pixmap->drawable.depth == 15)
- effXDepth = 16;
-
- /* Need 16-bit aligned rows for DDBitmaps */
- stride = ((iconSize * effBPP + 15) & (~15)) / 8;
- xStride = PixmapBytePad (pixmap->drawable.width, pixmap->drawable.depth);
- if (stride == 0 || xStride == 0)
- {
- ErrorF ("winScaleXBitmapToWindows - stride or xStride is zero. "
- "Bailing.\n");
- return;
- }
-
- /* Allocate memory for icon data */
- iconData = malloc (xStride * pixmap->drawable.height);
- if (!iconData)
- {
- ErrorF ("winScaleXBitmapToWindows - malloc failed for iconData. "
- "Bailing.\n");
- return;
- }
-
- /* Get icon data */
- 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 = (unsigned char*) 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++) = (effXDepth == 32) ? *(ptr++) : 0x0; /* alpha */
- 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);
-}
-
-static HICON
-NetWMToWinIconAlpha(uint32_t *icon)
-{
- int width = icon[0];
- int height = icon[1];
- uint32_t *pixels = &icon[2];
- HICON result;
- HDC hdc = GetDC(NULL);
- uint32_t *DIB_pixels;
- ICONINFO ii = {TRUE};
- BITMAPV4HEADER bmh = {sizeof(bmh)};
-
- /* Define an ARGB pixel format used for Color+Alpha icons */
- bmh.bV4Width = width;
- bmh.bV4Height = -height; /* Invert the image */
- bmh.bV4Planes = 1;
- bmh.bV4BitCount = 32;
- bmh.bV4V4Compression = BI_BITFIELDS;
- bmh.bV4AlphaMask = 0xFF000000;
- bmh.bV4RedMask = 0x00FF0000;
- bmh.bV4GreenMask = 0x0000FF00;
- bmh.bV4BlueMask = 0x000000FF;
-
- ii.hbmColor = CreateDIBSection(hdc, (BITMAPINFO*)&bmh,
- DIB_RGB_COLORS, (void**)&DIB_pixels, NULL, 0);
- ReleaseDC(NULL, hdc);
- ii.hbmMask = CreateBitmap(width, height, 1, 1, NULL);
- memcpy(DIB_pixels, pixels, height*width*4);
-
- /* CreateIconIndirect() traditionally required DDBitmaps */
- /* Systems from WinXP accept 32-bit ARGB DIBitmaps with full 8-bit alpha support */
- /* The icon is created with a DIB + empty DDB mask (an MS example does the same) */
- result = CreateIconIndirect(&ii);
-
- DeleteObject(ii.hbmColor);
- DeleteObject(ii.hbmMask);
-
- winDebug("NetWMToWinIconAlpha - %d x %d = %p\n", icon[0], icon[1], result);
- return result;
-}
-
-static HICON
-NetWMToWinIconThreshold(uint32_t *icon)
-{
- int width = icon[0];
- int height = icon[1];
- uint32_t *pixels = &icon[2];
- int row, col;
- HICON result;
- ICONINFO ii = {TRUE};
-
- HDC hdc = GetDC(NULL);
- HDC xorDC = CreateCompatibleDC(hdc);
- HDC andDC = CreateCompatibleDC(hdc);
- ii.hbmColor = CreateCompatibleBitmap(hdc, width, height);
- ii.hbmMask = CreateCompatibleBitmap(hdc, width, height);
- ReleaseDC(NULL, hdc);
- SelectObject(xorDC, ii.hbmColor);
- SelectObject(andDC, ii.hbmMask);
-
- for (row = 0; row < height; row++) {
- for (col = 0; col < width; col++) {
- if ((*pixels & 0xFF000000) > 31<<24) { /* 31 alpha threshold, i.e. opaque above, transparent below */
- SetPixelV(xorDC, col, row, RGB(((char*)pixels)[2], ((char*)pixels)[1],
- ((char*)pixels)[0]));
- SetPixelV(andDC, col, row, RGB(0, 0, 0)); /* black mask */
- }
- else {
- SetPixelV(xorDC, col, row, RGB(0, 0, 0));
- SetPixelV(andDC, col, row, RGB(255, 255, 255)); /* white mask */
- }
- pixels++;
- }
- }
- DeleteDC(xorDC);
- DeleteDC(andDC);
-
- result = CreateIconIndirect(&ii);
-
- DeleteObject(ii.hbmColor);
- DeleteObject(ii.hbmMask );
-
- winDebug("NetWMToWinIconThreshold - %d x %d = %p\n", icon[0], icon[1], result);
- return result;
-}
-
-static HICON
-NetWMToWinIcon(int bpp, uint32_t *icon)
-{
- static Bool hasIconAlphaChannel = FALSE;
- static BOOL versionChecked = FALSE;
-
- if (!versionChecked)
- {
- OSVERSIONINFOEX osvi = {0};
- ULONGLONG dwlConditionMask = 0;
-
- osvi.dwOSVersionInfoSize = sizeof (osvi);
- osvi.dwMajorVersion = 5;
- osvi.dwMinorVersion = 1;
-
- /* Windows versions later than XP have icon alpha channel suport, 2000 does not */
- VER_SET_CONDITION(dwlConditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL);
- VER_SET_CONDITION(dwlConditionMask, VER_MINORVERSION, VER_GREATER_EQUAL);
- hasIconAlphaChannel = VerifyVersionInfo(&osvi, VER_MAJORVERSION | VER_MINORVERSION, dwlConditionMask);
- versionChecked = TRUE;
-
- ErrorF("OS has icon alpha channel support: %s\n", hasIconAlphaChannel ? "yes" : "no");
- }
-
- if (hasIconAlphaChannel && (bpp==32))
- return NetWMToWinIconAlpha(icon);
- else
- return NetWMToWinIconThreshold(icon);
-}
-
-static pointer
-GetWindowProp(WindowPtr pWin, Atom name, long int *size_return)
-{
- struct _Window *pwin;
- struct _Property *prop;
-
- if (!pWin || !name) {
- ErrorF ("GetWindowProp - pWin or name was NULL\n");
- return 0;
- }
- pwin = (struct _Window*) pWin;
- if (!pwin->optional) return NULL;
- for (prop = (struct _Property *) pwin->optional->userProps;
- prop;
- prop=prop->next){
- if (prop->propertyName == name) {
- *size_return=prop->size;
- return prop->data;
- }
- }
- return NULL;
-}
-
-/*
- * Attempt to create a custom icon from the WM_HINTS bitmaps
- */
-
-HICON
-winXIconToHICON (WindowPtr pWin, int iconSize)
-{
- unsigned char *mask, *image, *imageMask;
- unsigned char *dst, *src;
- PixmapPtr iconPtr;
- PixmapPtr maskPtr;
- int planes, bpp, effBPP, stride, maskStride, i;
- int biggest_size = 0;
- HDC hDC;
- ICONINFO ii;
- WinXWMHints hints;
- HICON hIcon = NULL;
- uint32_t *biggest_icon = NULL;
-
- /* Try to get _NET_WM_ICON icons first */
- static Atom _XA_NET_WM_ICON;
- static int generation;
- uint32_t *icon, *icon_data = NULL;
- long int size=0;
-
- hDC = GetDC (GetDesktopWindow ());
- planes = GetDeviceCaps (hDC, PLANES);
- bpp = GetDeviceCaps (hDC, BITSPIXEL);
- ReleaseDC (GetDesktopWindow (), hDC);
-
- if (generation != serverGeneration) {
- generation = serverGeneration;
- _XA_NET_WM_ICON = MakeAtom("_NET_WM_ICON", 12, TRUE);
- }
-
- if (_XA_NET_WM_ICON) icon_data = GetWindowProp(pWin, _XA_NET_WM_ICON, &size);
- if (icon_data)
- {
- for(icon = icon_data;
- icon < &icon_data[size] && *icon;
- icon = &icon[icon[0]*icon[1]+2])
- {
- if (icon[0]==iconSize && icon[1]==iconSize)
- return NetWMToWinIcon(bpp, icon);
- /* Find the biggest icon and let Windows scale the size */
- else if (biggest_size < icon[0])
- {
- biggest_icon = icon;
- biggest_size = icon[0];
- }
- }
- if (biggest_icon)
- return NetWMToWinIcon(bpp, biggest_icon);
- }
- winDebug("winXIconToHICON - pWin %x: no suitable NetIcon\n",(int)pWin, iconSize);
-
- winMultiWindowGetWMHints (pWin, &hints);
- if (!hints.icon_pixmap) return NULL;
-
- dixLookupResourceByType((pointer) &iconPtr, hints.icon_pixmap, RT_PIXMAP,
- NullClient, DixUnknownAccess);
-
- if (!iconPtr) return NULL;
-
- /* 15 BPP is really 16BPP as far as we care */
- if (bpp == 15)
- effBPP = 16;
- else
- effBPP = bpp;
-
- /* Need 16-bit aligned rows for DDBitmaps */
- stride = ((iconSize * effBPP + 15) & (~15)) / 8;
-
- /* Mask is 1-bit deep */
- maskStride = ((iconSize * 1 + 15) & (~15)) / 8;
-
- image = malloc (stride * iconSize);
- imageMask = malloc (stride * iconSize);
- /* Default to a completely black mask */
- mask = calloc (maskStride, iconSize);
-
- winScaleXBitmapToWindows (iconSize, effBPP, iconPtr, image);
- dixLookupResourceByType((pointer) &maskPtr, hints.icon_mask, RT_PIXMAP,
- NullClient, DixUnknownAccess);
-
- 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
- */
-
-#ifdef XWIN_MULTIWINDOW
-void
-winUpdateIcon (Window id)
-{
- WindowPtr pWin;
- HICON hIcon, hIconSmall=NULL, hIconOld;
-
- dixLookupResourceByType((pointer) &pWin, id, RT_WINDOW, NullClient, DixUnknownAccess);
- if (pWin)
- {
- winWindowPriv(pWin);
- if (pWinPriv->hWnd) {
- hIcon = winOverrideIcon ((unsigned long)pWin);
- if (!hIcon) {
- hIcon = winXIconToHICON (pWin, GetSystemMetrics(SM_CXICON));
- if (!hIcon) {
- hIcon = g_hIconX;
- hIconSmall = g_hSmallIconX;
- } else {
- /* Leave undefined if not found */
- hIconSmall = winXIconToHICON (pWin, GetSystemMetrics(SM_CXSMICON));
- }
- }
-
- /* Set the large icon */
- hIconOld = (HICON) SendMessage (pWinPriv->hWnd,
- WM_SETICON, ICON_BIG, (LPARAM) hIcon);
-
- /* Delete the icon if its not the default */
- winDestroyIcon(hIconOld);
-
- /* Same for the small icon */
- hIconOld = (HICON) SendMessage (pWinPriv->hWnd,
- WM_SETICON, ICON_SMALL, (LPARAM) hIconSmall);
- winDestroyIcon(hIconOld);
- }
- }
-}
-
-void winInitGlobalIcons (void)
-{
- int sm_cx = GetSystemMetrics(SM_CXICON);
- int sm_cxsm = GetSystemMetrics(SM_CXSMICON);
- /* Load default X icon in case it's not ready yet */
- if (!g_hIconX)
- {
- g_hIconX = winOverrideDefaultIcon(sm_cx);
- g_hSmallIconX = winOverrideDefaultIcon(sm_cxsm);
- }
-
- if (!g_hIconX)
- {
- g_hIconX = (HICON)LoadImage (g_hInstance,
- MAKEINTRESOURCE(IDI_XWIN),
- IMAGE_ICON,
- GetSystemMetrics(SM_CXICON),
- GetSystemMetrics(SM_CYICON),
- 0);
- g_hSmallIconX = (HICON)LoadImage (g_hInstance,
- MAKEINTRESOURCE(IDI_XWIN),
- IMAGE_ICON,
- GetSystemMetrics(SM_CXSMICON),
- GetSystemMetrics(SM_CYSMICON),
- LR_DEFAULTSIZE);
- }
-}
-
-void winSelectIcons(WindowPtr pWin, HICON *pIcon, HICON *pSmallIcon)
-{
- HICON hIcon, hSmallIcon;
-
- winInitGlobalIcons();
-
- /* Try and get the icon from WM_HINTS */
- hIcon = winXIconToHICON (pWin, GetSystemMetrics(SM_CXICON));
- hSmallIcon = winXIconToHICON (pWin, GetSystemMetrics(SM_CXSMICON));
-
- /* If we got the small, but not the large one swap them */
- if (!hIcon && hSmallIcon)
- {
- hIcon = hSmallIcon;
- hSmallIcon = NULL;
- }
-
- /* Use default X icon if no icon loaded from WM_HINTS */
- if (!hIcon) {
- hIcon = g_hIconX;
- hSmallIcon = g_hSmallIconX;
- }
-
- if (pIcon)
- *pIcon = hIcon;
- else
- winDestroyIcon(hIcon);
- if (pSmallIcon)
- *pSmallIcon = hSmallIcon;
- else
- winDestroyIcon(hSmallIcon);
-}
-
-void winDestroyIcon(HICON hIcon)
-{
- /* Delete the icon if its not the default */
- if (hIcon &&
- hIcon != g_hIconX &&
- hIcon != g_hSmallIconX &&
- !winIconIsOverride((unsigned long)hIcon))
- DestroyIcon (hIcon);
-}
-#endif
+/* + *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 + */ + +#ifdef HAVE_XWIN_CONFIG_H +#include <xwin-config.h> +#endif +#include "win.h" +#include "dixevents.h" +#include "winmultiwindowclass.h" +#include "winprefs.h" + +#include "propertyst.h" +#include "windowstr.h" + + +/* + * 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; + char *iconData = 0; + int stride, xStride; + float factX, factY; + int posX, posY; + unsigned char *ptr; + unsigned int zero; + unsigned int color; + + effXBPP = BitsPerPixel(pixmap->drawable.depth); + effXDepth = pixmap->drawable.depth; + + if (pixmap->drawable.bitsPerPixel == 15) + effXBPP = 16; + + if (pixmap->drawable.depth == 15) + effXDepth = 16; + + /* Need 16-bit aligned rows for DDBitmaps */ + stride = ((iconSize * effBPP + 15) & (~15)) / 8; + xStride = PixmapBytePad (pixmap->drawable.width, pixmap->drawable.depth); + if (stride == 0 || xStride == 0) + { + ErrorF ("winScaleXBitmapToWindows - stride or xStride is zero. " + "Bailing.\n"); + return; + } + + /* Allocate memory for icon data */ + iconData = malloc (xStride * pixmap->drawable.height); + if (!iconData) + { + ErrorF ("winScaleXBitmapToWindows - malloc failed for iconData. " + "Bailing.\n"); + return; + } + + /* Get icon data */ + 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 = (unsigned char*) 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++) = (effXDepth == 32) ? *(ptr++) : 0x0; /* alpha */ + 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); +} + +static HICON +NetWMToWinIconAlpha(uint32_t *icon) +{ + int width = icon[0]; + int height = icon[1]; + uint32_t *pixels = &icon[2]; + HICON result; + HDC hdc = GetDC(NULL); + uint32_t *DIB_pixels; + ICONINFO ii = {TRUE}; + BITMAPV4HEADER bmh = {sizeof(bmh)}; + + /* Define an ARGB pixel format used for Color+Alpha icons */ + bmh.bV4Width = width; + bmh.bV4Height = -height; /* Invert the image */ + bmh.bV4Planes = 1; + bmh.bV4BitCount = 32; + bmh.bV4V4Compression = BI_BITFIELDS; + bmh.bV4AlphaMask = 0xFF000000; + bmh.bV4RedMask = 0x00FF0000; + bmh.bV4GreenMask = 0x0000FF00; + bmh.bV4BlueMask = 0x000000FF; + + ii.hbmColor = CreateDIBSection(hdc, (BITMAPINFO*)&bmh, + DIB_RGB_COLORS, (void**)&DIB_pixels, NULL, 0); + ReleaseDC(NULL, hdc); + ii.hbmMask = CreateBitmap(width, height, 1, 1, NULL); + memcpy(DIB_pixels, pixels, height*width*4); + + /* CreateIconIndirect() traditionally required DDBitmaps */ + /* Systems from WinXP accept 32-bit ARGB DIBitmaps with full 8-bit alpha support */ + /* The icon is created with a DIB + empty DDB mask (an MS example does the same) */ + result = CreateIconIndirect(&ii); + + DeleteObject(ii.hbmColor); + DeleteObject(ii.hbmMask); + + winDebug("NetWMToWinIconAlpha - %d x %d = %p\n", icon[0], icon[1], result); + return result; +} + +static HICON +NetWMToWinIconThreshold(uint32_t *icon) +{ + int width = icon[0]; + int height = icon[1]; + uint32_t *pixels = &icon[2]; + int row, col; + HICON result; + ICONINFO ii = {TRUE}; + + HDC hdc = GetDC(NULL); + HDC xorDC = CreateCompatibleDC(hdc); + HDC andDC = CreateCompatibleDC(hdc); + ii.hbmColor = CreateCompatibleBitmap(hdc, width, height); + ii.hbmMask = CreateCompatibleBitmap(hdc, width, height); + ReleaseDC(NULL, hdc); + SelectObject(xorDC, ii.hbmColor); + SelectObject(andDC, ii.hbmMask); + + for (row = 0; row < height; row++) { + for (col = 0; col < width; col++) { + if ((*pixels & 0xFF000000) > 31<<24) { /* 31 alpha threshold, i.e. opaque above, transparent below */ + SetPixelV(xorDC, col, row, RGB(((char*)pixels)[2], ((char*)pixels)[1], + ((char*)pixels)[0])); + SetPixelV(andDC, col, row, RGB(0, 0, 0)); /* black mask */ + } + else { + SetPixelV(xorDC, col, row, RGB(0, 0, 0)); + SetPixelV(andDC, col, row, RGB(255, 255, 255)); /* white mask */ + } + pixels++; + } + } + DeleteDC(xorDC); + DeleteDC(andDC); + + result = CreateIconIndirect(&ii); + + DeleteObject(ii.hbmColor); + DeleteObject(ii.hbmMask ); + + winDebug("NetWMToWinIconThreshold - %d x %d = %p\n", icon[0], icon[1], result); + return result; +} + +static HICON +NetWMToWinIcon(int bpp, uint32_t *icon) +{ + static Bool hasIconAlphaChannel = FALSE; + static BOOL versionChecked = FALSE; + + if (!versionChecked) + { + OSVERSIONINFOEX osvi = {0}; + ULONGLONG dwlConditionMask = 0; + + osvi.dwOSVersionInfoSize = sizeof (osvi); + osvi.dwMajorVersion = 5; + osvi.dwMinorVersion = 1; + + /* Windows versions later than XP have icon alpha channel suport, 2000 does not */ + VER_SET_CONDITION(dwlConditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL); + VER_SET_CONDITION(dwlConditionMask, VER_MINORVERSION, VER_GREATER_EQUAL); + hasIconAlphaChannel = VerifyVersionInfo(&osvi, VER_MAJORVERSION | VER_MINORVERSION, dwlConditionMask); + versionChecked = TRUE; + + ErrorF("OS has icon alpha channel support: %s\n", hasIconAlphaChannel ? "yes" : "no"); + } + + if (hasIconAlphaChannel && (bpp==32)) + return NetWMToWinIconAlpha(icon); + else + return NetWMToWinIconThreshold(icon); +} + +static pointer +GetWindowProp(WindowPtr pWin, Atom name, long int *size_return) +{ + struct _Window *pwin; + struct _Property *prop; + + if (!pWin || !name) { + ErrorF ("GetWindowProp - pWin or name was NULL\n"); + return 0; + } + pwin = (struct _Window*) pWin; + if (!pwin->optional) return NULL; + for (prop = (struct _Property *) pwin->optional->userProps; + prop; + prop=prop->next){ + if (prop->propertyName == name) { + *size_return=prop->size; + return prop->data; + } + } + return NULL; +} + +/* + * Attempt to create a custom icon from the WM_HINTS bitmaps + */ + +HICON +winXIconToHICON (WindowPtr pWin, int iconSize) +{ + unsigned char *mask, *image, *imageMask; + unsigned char *dst, *src; + PixmapPtr iconPtr; + PixmapPtr maskPtr; + int planes, bpp, effBPP, stride, maskStride, i; + int biggest_size = 0; + HDC hDC; + ICONINFO ii; + WinXWMHints hints; + HICON hIcon = NULL; + uint32_t *biggest_icon = NULL; + + /* Try to get _NET_WM_ICON icons first */ + static Atom _XA_NET_WM_ICON; + static int generation; + uint32_t *icon, *icon_data = NULL; + long int size=0; + + hDC = GetDC (GetDesktopWindow ()); + planes = GetDeviceCaps (hDC, PLANES); + bpp = GetDeviceCaps (hDC, BITSPIXEL); + ReleaseDC (GetDesktopWindow (), hDC); + + if (generation != serverGeneration) { + generation = serverGeneration; + _XA_NET_WM_ICON = MakeAtom("_NET_WM_ICON", 12, TRUE); + } + + if (_XA_NET_WM_ICON) icon_data = GetWindowProp(pWin, _XA_NET_WM_ICON, &size); + if (icon_data) + { + for(icon = icon_data; + icon < &icon_data[size] && *icon; + icon = &icon[icon[0]*icon[1]+2]) + { + if (icon[0]==iconSize && icon[1]==iconSize) + return NetWMToWinIcon(bpp, icon); + /* Find the biggest icon and let Windows scale the size */ + else if (biggest_size < icon[0]) + { + biggest_icon = icon; + biggest_size = icon[0]; + } + } + if (biggest_icon) + return NetWMToWinIcon(bpp, biggest_icon); + } + winDebug("winXIconToHICON - pWin %x: no suitable NetIcon\n",(int)pWin, iconSize); + + winMultiWindowGetWMHints (pWin, &hints); + if (!hints.icon_pixmap) return NULL; + + dixLookupResourceByType((pointer) &iconPtr, hints.icon_pixmap, RT_PIXMAP, + NullClient, DixUnknownAccess); + + if (!iconPtr) return NULL; + + /* 15 BPP is really 16BPP as far as we care */ + if (bpp == 15) + effBPP = 16; + else + effBPP = bpp; + + /* Need 16-bit aligned rows for DDBitmaps */ + stride = ((iconSize * effBPP + 15) & (~15)) / 8; + + /* Mask is 1-bit deep */ + maskStride = ((iconSize * 1 + 15) & (~15)) / 8; + + image = malloc (stride * iconSize); + imageMask = malloc (stride * iconSize); + /* Default to a completely black mask */ + mask = calloc (maskStride, iconSize); + + winScaleXBitmapToWindows (iconSize, effBPP, iconPtr, image); + dixLookupResourceByType((pointer) &maskPtr, hints.icon_mask, RT_PIXMAP, + NullClient, DixUnknownAccess); + + 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 + */ + +#ifdef XWIN_MULTIWINDOW +void +winUpdateIcon (Window id) +{ + WindowPtr pWin; + HICON hIcon, hIconSmall=NULL, hIconOld; + + dixLookupResourceByType((pointer) &pWin, id, RT_WINDOW, NullClient, DixUnknownAccess); + if (pWin) + { + winWindowPriv(pWin); + if (pWinPriv->hWnd) { + hIcon = winOverrideIcon ((unsigned long)pWin); + if (!hIcon) { + hIcon = winXIconToHICON (pWin, GetSystemMetrics(SM_CXICON)); + if (!hIcon) { + hIcon = g_hIconX; + hIconSmall = g_hSmallIconX; + } else { + /* Leave undefined if not found */ + hIconSmall = winXIconToHICON (pWin, GetSystemMetrics(SM_CXSMICON)); + } + } + + /* Set the large icon */ + hIconOld = (HICON) SendMessage (pWinPriv->hWnd, + WM_SETICON, ICON_BIG, (LPARAM) hIcon); + + /* Delete the icon if its not the default */ + winDestroyIcon(hIconOld); + + /* Same for the small icon */ + hIconOld = (HICON) SendMessage (pWinPriv->hWnd, + WM_SETICON, ICON_SMALL, (LPARAM) hIconSmall); + winDestroyIcon(hIconOld); + } + } +} + +void winInitGlobalIcons (void) +{ + int sm_cx = GetSystemMetrics(SM_CXICON); + int sm_cxsm = GetSystemMetrics(SM_CXSMICON); + /* Load default X icon in case it's not ready yet */ + if (!g_hIconX) + { + g_hIconX = winOverrideDefaultIcon(sm_cx); + g_hSmallIconX = winOverrideDefaultIcon(sm_cxsm); + } + + if (!g_hIconX) + { + g_hIconX = (HICON)LoadImage (g_hInstance, + MAKEINTRESOURCE(IDI_XWIN), + IMAGE_ICON, + GetSystemMetrics(SM_CXICON), + GetSystemMetrics(SM_CYICON), + 0); + g_hSmallIconX = (HICON)LoadImage (g_hInstance, + MAKEINTRESOURCE(IDI_XWIN), + IMAGE_ICON, + GetSystemMetrics(SM_CXSMICON), + GetSystemMetrics(SM_CYSMICON), + LR_DEFAULTSIZE); + } +} + +void winSelectIcons(WindowPtr pWin, HICON *pIcon, HICON *pSmallIcon) +{ + HICON hIcon, hSmallIcon; + + winInitGlobalIcons(); + + /* Try and get the icon from WM_HINTS */ + hIcon = winXIconToHICON (pWin, GetSystemMetrics(SM_CXICON)); + hSmallIcon = winXIconToHICON (pWin, GetSystemMetrics(SM_CXSMICON)); + + /* If we got the small, but not the large one swap them */ + if (!hIcon && hSmallIcon) + { + hIcon = hSmallIcon; + hSmallIcon = NULL; + } + + /* Use default X icon if no icon loaded from WM_HINTS */ + if (!hIcon) { + hIcon = g_hIconX; + hSmallIcon = g_hSmallIconX; + } + + if (pIcon) + *pIcon = hIcon; + else + winDestroyIcon(hIcon); + + if (pSmallIcon) + *pSmallIcon = hSmallIcon; + else + winDestroyIcon(hSmallIcon); +} + +void winDestroyIcon(HICON hIcon) +{ + /* Delete the icon if its not one of the application defaults or an override */ + if (hIcon && + hIcon != g_hIconX && + hIcon != g_hSmallIconX && + !winIconIsOverride((unsigned long)hIcon)) + DestroyIcon (hIcon); +} +#endif |