aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/hw/xwin/winmultiwindowicons.c
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/hw/xwin/winmultiwindowicons.c')
-rw-r--r--xorg-server/hw/xwin/winmultiwindowicons.c1290
1 files changed, 649 insertions, 641 deletions
diff --git a/xorg-server/hw/xwin/winmultiwindowicons.c b/xorg-server/hw/xwin/winmultiwindowicons.c
index 763cb7e08..853d63864 100644
--- a/xorg-server/hw/xwin/winmultiwindowicons.c
+++ b/xorg-server/hw/xwin/winmultiwindowicons.c
@@ -1,641 +1,649 @@
-/*
- *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
+/*
+ *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;
+ BITMAPV5HEADER bmh;
+
+ /* Define an ARGB pixel format used for Color+Alpha icons */
+ ZeroMemory(&bmh,sizeof(bmh));
+ bmh.bV5Size = sizeof(bmh);
+ bmh.bV5Width = width;
+ bmh.bV5Height = -height; /* Invert the image */
+ bmh.bV5Planes = 1;
+ bmh.bV5BitCount = 32;
+ bmh.bV5Compression = BI_BITFIELDS;
+ bmh.bV5AlphaMask = 0xFF000000;
+ bmh.bV5RedMask = 0x00FF0000;
+ bmh.bV5GreenMask = 0x0000FF00;
+ bmh.bV5BlueMask = 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) */
+ ii.fIcon = TRUE;
+ ii.xHotspot = 0;
+ ii.yHotspot = 0;
+ 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;
+
+ 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);
+
+ ii.fIcon = TRUE;
+ ii.xHotspot = 0;
+ ii.yHotspot = 0;
+ 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;
+
+ winDebug("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
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 05:15:12 +0000