diff options
Diffstat (limited to 'hw/xwin/winmultiwindowicons.c')
-rw-r--r-- | hw/xwin/winmultiwindowicons.c | 567 |
1 files changed, 23 insertions, 544 deletions
diff --git a/hw/xwin/winmultiwindowicons.c b/hw/xwin/winmultiwindowicons.c index c43c29887..5124b88ff 100644 --- a/hw/xwin/winmultiwindowicons.c +++ b/hw/xwin/winmultiwindowicons.c @@ -32,24 +32,14 @@ #include <xwin-config.h> #endif -#ifndef WINVER -#define WINVER 0x0500 -#endif - -#include <limits.h> -#include <stdbool.h> - #include <X11/Xwindows.h> #include <X11/Xlib.h> -#include <xcb/xcb.h> -#include <xcb/xcb_icccm.h> -#include <xcb/xcb_image.h> #include "winresource.h" #include "winprefs.h" -#include "winmsg.h" #include "winmultiwindowicons.h" #include "winglobals.h" +#include "wmutil/icon_convert.h" /* * global variables @@ -57,527 +47,6 @@ extern HINSTANCE g_hInstance; /* - * Scale an X icon ZPixmap into a Windoze icon bitmap - */ - -static void -winScaleXImageToWindowsIcon(int iconSize, - int effBPP, - int stride, xcb_image_t* pixmap, unsigned char *image) -{ - int row, column, effXBPP, effXDepth; - unsigned char *outPtr; - unsigned char *iconData = 0; - int xStride; - float factX, factY; - int posX, posY; - unsigned char *ptr; - unsigned int zero; - unsigned int color; - - effXBPP = pixmap->bpp; - if (pixmap->bpp == 15) - effXBPP = 16; - - effXDepth = pixmap->depth; - if (pixmap->depth == 15) - effXDepth = 16; - - xStride = pixmap->stride; - if (stride == 0 || xStride == 0) { - ErrorF("winScaleXBitmapToWindows - stride or xStride is zero. " - "Bailing.\n"); - return; - } - - /* Get icon data */ - iconData = (unsigned char *) pixmap->data; - - /* Keep aspect ratio */ - factX = ((float) pixmap->width) / ((float) iconSize); - factY = ((float) pixmap->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->width || posY >= pixmap->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->width || posY >= pixmap->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->width || posY >= pixmap->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 */ -} - -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; - 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.fIcon = TRUE; - ii.xHotspot = 0; /* ignored */ - ii.yHotspot = 0; /* ignored */ - ii.hbmColor = CreateDIBSection(hdc, (BITMAPINFO *) &bmh, - DIB_RGB_COLORS, (void **) &DIB_pixels, NULL, - 0); - ReleaseDC(NULL, hdc); - - if (!ii.hbmColor) - return NULL; - - 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; - - HDC hdc = GetDC(NULL); - HDC xorDC = CreateCompatibleDC(hdc); - HDC andDC = CreateCompatibleDC(hdc); - - ii.fIcon = TRUE; - ii.xHotspot = 0; /* ignored */ - ii.yHotspot = 0; /* ignored */ - 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); -} - -/* - * Attempt to create a custom icon from the WM_HINTS bitmaps - */ - -static -HICON -winXIconToHICON(xcb_connection_t *conn, xcb_window_t id, int iconSize) -{ - unsigned char *mask, *image = NULL, *imageMask; - unsigned char *dst, *src; - int planes, bpp, i; - unsigned int biggest_size = 0; - HDC hDC; - ICONINFO ii; - xcb_icccm_wm_hints_t hints; - HICON hIcon = NULL; - uint32_t *biggest_icon = NULL; - static xcb_atom_t _XA_NET_WM_ICON; - static int generation; - uint32_t *icon, *icon_data = NULL; - unsigned long int size; - - hDC = GetDC(GetDesktopWindow()); - planes = GetDeviceCaps(hDC, PLANES); - bpp = GetDeviceCaps(hDC, BITSPIXEL); - ReleaseDC(GetDesktopWindow(), hDC); - - /* Always prefer _NET_WM_ICON icons */ - if (generation != serverGeneration) { - xcb_intern_atom_reply_t *atom_reply; - xcb_intern_atom_cookie_t atom_cookie; - const char *atomName = "_NET_WM_ICON"; - - generation = serverGeneration; - - _XA_NET_WM_ICON = XCB_NONE; - - atom_cookie = xcb_intern_atom(conn, 0, strlen(atomName), atomName); - atom_reply = xcb_intern_atom_reply(conn, atom_cookie, NULL); - if (atom_reply) { - _XA_NET_WM_ICON = atom_reply->atom; - free(atom_reply); - } - } - - { - xcb_get_property_cookie_t cookie = xcb_get_property(conn, FALSE, id, _XA_NET_WM_ICON, XCB_ATOM_CARDINAL, 0L, INT_MAX); - xcb_get_property_reply_t *reply = xcb_get_property_reply(conn, cookie, NULL); - - if (reply && - ((icon_data = xcb_get_property_value(reply)) != NULL)) { - size = xcb_get_property_value_length(reply)/sizeof(uint32_t); - for (icon = icon_data; icon < &icon_data[size] && *icon; - icon = &icon[icon[0] * icon[1] + 2]) { - winDebug("winXIconToHICON: %u x %u NetIcon\n", icon[0], icon[1]); - - /* Icon data size will overflow an int and thus is bigger than the - property can possibly be */ - if ((INT_MAX/icon[0]) < icon[1]) { - winDebug("winXIconToHICON: _NET_WM_ICON icon data size overflow\n"); - break; - } - - /* Icon data size is bigger than amount of data remaining */ - if (&icon[icon[0] * icon[1] + 2] > &icon_data[size]) { - winDebug("winXIconToHICON: _NET_WM_ICON data is malformed\n"); - break; - } - - /* Found an exact match to the size we require... */ - if (icon[0] == iconSize && icon[1] == iconSize) { - winDebug("winXIconToHICON: selected %d x %d NetIcon\n", - iconSize, iconSize); - hIcon = NetWMToWinIcon(bpp, icon); - break; - } - /* Otherwise, find the biggest icon and let Windows scale the size */ - else if (biggest_size < icon[0]) { - biggest_icon = icon; - biggest_size = icon[0]; - } - } - - if (!hIcon && biggest_icon) { - winDebug - ("winXIconToHICON: selected %u x %u NetIcon for scaling to %d x %d\n", - biggest_icon[0], biggest_icon[1], iconSize, iconSize); - - hIcon = NetWMToWinIcon(bpp, biggest_icon); - } - - free(reply); - } - } - - if (!hIcon) { - xcb_get_property_cookie_t wm_hints_cookie; - - winDebug("winXIconToHICON: no suitable NetIcon\n"); - - wm_hints_cookie = xcb_icccm_get_wm_hints(conn, id); - if (xcb_icccm_get_wm_hints_reply(conn, wm_hints_cookie, &hints, NULL)) { - winDebug("winXIconToHICON: id 0x%x icon_pixmap hint 0x%x\n", - (unsigned int)id, - (unsigned int)hints.icon_pixmap); - - if (hints.icon_pixmap) { - unsigned int width, height; - xcb_image_t *xImageIcon; - xcb_image_t *xImageMask = NULL; - - xcb_get_geometry_cookie_t geom_cookie = xcb_get_geometry(conn, hints.icon_pixmap); - xcb_get_geometry_reply_t *geom_reply = xcb_get_geometry_reply(conn, geom_cookie, NULL); - - if (geom_reply) { - width = geom_reply->width; - height = geom_reply->height; - - xImageIcon = xcb_image_get(conn, hints.icon_pixmap, - 0, 0, width, height, - 0xFFFFFF, XCB_IMAGE_FORMAT_Z_PIXMAP); - - winDebug("winXIconToHICON: id 0x%x icon Ximage 0x%p\n", - (unsigned int)id, xImageIcon); - - if (hints.icon_mask) - xImageMask = xcb_image_get(conn, hints.icon_mask, - 0, 0, width, height, - 0xFFFFFFFF, XCB_IMAGE_FORMAT_Z_PIXMAP); - - if (xImageIcon) { - int effBPP, stride, maskStride; - - /* 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); - mask = malloc(maskStride * iconSize); - - /* Default to a completely black mask */ - memset(imageMask, 0, stride * iconSize); - memset(mask, 0, maskStride * iconSize); - - winScaleXImageToWindowsIcon(iconSize, effBPP, stride, - xImageIcon, image); - - if (xImageMask) { - winScaleXImageToWindowsIcon(iconSize, 1, maskStride, - xImageMask, mask); - winScaleXImageToWindowsIcon(iconSize, effBPP, stride, - xImageMask, 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); - - if (xImageMask) - xcb_image_destroy(xImageMask); - - xcb_image_destroy(xImageIcon); - } - } - } - } - } - return hIcon; -} - -/* * Change the Windows window icon */ @@ -597,23 +66,33 @@ winUpdateIcon(HWND hWnd, xcb_connection_t *conn, Window id, HICON hIconNew) /* If we still need an icon, try and get the icon from WM_HINTS */ hIcon = winXIconToHICON(conn, id, GetSystemMetrics(SM_CXICON)); hIconSmall = winXIconToHICON(conn, id, GetSystemMetrics(SM_CXSMICON)); + + /* If we got the small, but not the large one swap them */ + if (!hIcon && hIconSmall) { + hIcon = hIconSmall; + hIconSmall = NULL; + } } - /* If we got the small, but not the large one swap them */ - if (!hIcon && hIconSmall) { - hIcon = hIconSmall; - hIconSmall = NULL; + /* If we still need an icon, use the default one */ + if (!hIcon) { + hIcon = g_hIconX; + hIconSmall = g_hSmallIconX; } - /* Set the large icon */ - hIconOld = (HICON) SendMessage(hWnd, WM_SETICON, ICON_BIG, (LPARAM) hIcon); - /* Delete the old icon if its not the default */ - winDestroyIcon(hIconOld); + if (hIcon) { + /* Set the large icon */ + hIconOld = (HICON) SendMessage(hWnd, WM_SETICON, ICON_BIG, (LPARAM) hIcon); + /* Delete the old icon if its not the default */ + winDestroyIcon(hIconOld); + } - /* Same for the small icon */ - hIconOld = - (HICON) SendMessage(hWnd, WM_SETICON, ICON_SMALL, (LPARAM) hIconSmall); - winDestroyIcon(hIconOld); + if (hIconSmall) { + /* Same for the small icon */ + hIconOld = + (HICON) SendMessage(hWnd, WM_SETICON, ICON_SMALL, (LPARAM) hIconSmall); + winDestroyIcon(hIconOld); + } } void |