diff options
Diffstat (limited to 'tk8.6/macosx/tkMacOSXBitmap.c')
| -rw-r--r-- | tk8.6/macosx/tkMacOSXBitmap.c | 460 |
1 files changed, 460 insertions, 0 deletions
diff --git a/tk8.6/macosx/tkMacOSXBitmap.c b/tk8.6/macosx/tkMacOSXBitmap.c new file mode 100644 index 0000000..6e3c1a5 --- /dev/null +++ b/tk8.6/macosx/tkMacOSXBitmap.c @@ -0,0 +1,460 @@ +/* + * tkMacOSXBitmap.c -- + * + * This file handles the implementation of native bitmaps. + * + * Copyright (c) 1996-1997 Sun Microsystems, Inc. + * Copyright 2001-2009, Apple Inc. + * Copyright (c) 2006-2009 Daniel A. Steffen <das@users.sourceforge.net> + * + * See the file "license.terms" for information on usage and redistribution + * of this file, and for a DISCLAIMER OF ALL WARRANTIES. + */ + +#include "tkMacOSXPrivate.h" +#include "tkMacOSXConstants.h" +/* + * This structure holds information about native bitmaps. + */ + +typedef struct { + const char *name; /* Name of icon. */ + OSType iconType; /* OSType of icon. */ +} BuiltInIcon; + +/* + * This array mapps a string name to the supported builtin icons + * on the Macintosh. + */ + +static BuiltInIcon builtInIcons[] = { + {"document", kGenericDocumentIcon}, + {"stationery", kGenericStationeryIcon}, + {"edition", kGenericEditionFileIcon}, + {"application", kGenericApplicationIcon}, + {"accessory", kGenericDeskAccessoryIcon}, + {"folder", kGenericFolderIcon}, + {"pfolder", kPrivateFolderIcon}, + {"trash", kTrashIcon}, + {"floppy", kGenericFloppyIcon}, + {"ramdisk", kGenericRAMDiskIcon}, + {"cdrom", kGenericCDROMIcon}, + {"preferences", kGenericPreferencesIcon}, + {"querydoc", kGenericQueryDocumentIcon}, + {"stop", kAlertStopIcon}, + {"note", kAlertNoteIcon}, + {"caution", kAlertCautionIcon}, + {NULL} +}; + +#define builtInIconSize 32 + +static Tcl_HashTable iconBitmapTable = {}; +typedef struct { + int kind, width, height; + char *value; +} IconBitmap; + +static const char *const iconBitmapOptionStrings[] = { + "-file", "-fileType", "-osType", "-systemType", "-namedImage", + "-imageFile", NULL +}; +enum iconBitmapOptions { + ICON_FILE, ICON_FILETYPE, ICON_OSTYPE, ICON_SYSTEMTYPE, ICON_NAMEDIMAGE, + ICON_IMAGEFILE, +}; + + +/* + *---------------------------------------------------------------------- + * + * TkpDefineNativeBitmaps -- + * + * Add native bitmaps. + * + * Results: + * A standard Tcl result. If an error occurs then TCL_ERROR is + * returned and a message is left in the interp's result. + * + * Side effects: + * "Name" is entered into the bitmap table and may be used from + * here on to refer to the given bitmap. + * + *---------------------------------------------------------------------- + */ + +void +TkpDefineNativeBitmaps(void) +{ + Tcl_HashTable *tablePtr = TkGetBitmapPredefTable(); + BuiltInIcon *builtInPtr; + + for (builtInPtr = builtInIcons; builtInPtr->name != NULL; builtInPtr++) { + Tcl_HashEntry *predefHashPtr; + Tk_Uid name; + int isNew; + + name = Tk_GetUid(builtInPtr->name); + predefHashPtr = Tcl_CreateHashEntry(tablePtr, name, &isNew); + if (isNew) { + TkPredefBitmap *predefPtr = ckalloc(sizeof(TkPredefBitmap)); + + predefPtr->source = UINT2PTR(builtInPtr->iconType); + predefPtr->width = builtInIconSize; + predefPtr->height = builtInIconSize; + predefPtr->native = 1; + Tcl_SetHashValue(predefHashPtr, predefPtr); + } + } +} + +/* + *---------------------------------------------------------------------- + * + * GetBitmapForIcon -- + * + * Results: + * Bitmap for the given IconRef. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +static Pixmap +GetBitmapForIcon( + Display *display, + IconRef icon, + CGSize size) +{ + TkMacOSXDrawingContext dc; + Pixmap pixmap; + + pixmap = Tk_GetPixmap(display, None, size.width, size.height, 0); + if (TkMacOSXSetupDrawingContext(pixmap, NULL, 1, &dc)) { + if (dc.context) { + const CGAffineTransform t = { .a = 1, .b = 0, .c = 0, .d = -1, + .tx = 0, .ty = size.height }; + const CGRect r = { .origin = { .x = 0, .y = 0 }, .size = size }; + + CGContextConcatCTM(dc.context, t); + PlotIconRefInContext(dc.context, &r, kAlignAbsoluteCenter, + kTransformNone, NULL, kPlotIconRefNormalFlags, icon); + } + TkMacOSXRestoreDrawingContext(&dc); + } + return pixmap; +} + +/* + *---------------------------------------------------------------------- + * + * TkpCreateNativeBitmap -- + * + * Create native bitmap. + * + * Results: + * Native bitmap. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +Pixmap +TkpCreateNativeBitmap( + Display *display, + const void *source) /* Info about the icon to build. */ +{ + Pixmap pixmap; + IconRef icon; + OSErr err; + + err = ChkErr(GetIconRef, kOnSystemDisk, kSystemIconsCreator, + PTR2UINT(source), &icon); + if (err == noErr) { + pixmap = GetBitmapForIcon(display, icon, CGSizeMake(builtInIconSize, + builtInIconSize)); + ReleaseIconRef(icon); + } else { + pixmap = Tk_GetPixmap(display, None, builtInIconSize, + builtInIconSize, 0); + } + return pixmap; +} + +/* + *---------------------------------------------------------------------- + * + * OSTypeFromString -- + * + * Helper to convert string to OSType. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * t is set to OSType if conversion successful. + * + *---------------------------------------------------------------------- + */ + +static int +OSTypeFromString(const char *s, OSType *t) { + int result = TCL_ERROR; + Tcl_DString ds; + Tcl_Encoding encoding = Tcl_GetEncoding(NULL, "macRoman"); + + Tcl_UtfToExternalDString(encoding, s, -1, &ds); + if (Tcl_DStringLength(&ds) <= 4) { + char string[4] = {}; + memcpy(string, Tcl_DStringValue(&ds), (size_t) Tcl_DStringLength(&ds)); + *t = (OSType) string[0] << 24 | (OSType) string[1] << 16 | + (OSType) string[2] << 8 | (OSType) string[3]; + result = TCL_OK; + } + Tcl_DStringFree(&ds); + Tcl_FreeEncoding(encoding); + return result; +} + +/* + *---------------------------------------------------------------------- + * + * TkpGetNativeAppBitmap -- + * + * Get a named native bitmap. + * + * Attemps to interpret the given name in order as: + * - name defined by ::tk::mac::iconBitmap + * - NSImage named image name + * - NSImage url string + * - 4-char OSType of IconServices icon + * + * Results: + * Native bitmap or None. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +Pixmap +TkpGetNativeAppBitmap( + Display *display, /* The display. */ + const char *name, /* The name of the bitmap. */ + int *width, /* The width & height of the bitmap. */ + int *height) +{ + Tcl_HashEntry *hPtr; + Pixmap pixmap = None; + NSString *string; + NSImage *image = nil; + NSSize size = { .width = builtInIconSize, .height = builtInIconSize }; + + if (iconBitmapTable.buckets && + (hPtr = Tcl_FindHashEntry(&iconBitmapTable, name))) { + OSType type; + IconBitmap *iconBitmap = Tcl_GetHashValue(hPtr); + name = NULL; + size = NSMakeSize(iconBitmap->width, iconBitmap->height); + switch (iconBitmap->kind) { + case ICON_FILE: + string = [[NSString stringWithUTF8String:iconBitmap->value] + stringByExpandingTildeInPath]; + image = [[NSWorkspace sharedWorkspace] iconForFile:string]; + break; + case ICON_FILETYPE: + string = [NSString stringWithUTF8String:iconBitmap->value]; + image = [[NSWorkspace sharedWorkspace] iconForFileType:string]; + break; + case ICON_OSTYPE: + if (OSTypeFromString(iconBitmap->value, &type) == TCL_OK) { + string = NSFileTypeForHFSTypeCode(type); + image = [[NSWorkspace sharedWorkspace] iconForFileType:string]; + } + break; + case ICON_SYSTEMTYPE: + name = iconBitmap->value; + break; + case ICON_NAMEDIMAGE: + string = [NSString stringWithUTF8String:iconBitmap->value]; + image = [NSImage imageNamed:string]; + break; + case ICON_IMAGEFILE: + string = [[NSString stringWithUTF8String:iconBitmap->value] + stringByExpandingTildeInPath]; + image = [[[NSImage alloc] initWithContentsOfFile:string] + autorelease]; + break; + } + if (image) { + [image setSize:size]; + } + } else { + string = [NSString stringWithUTF8String:name]; + image = [NSImage imageNamed:string]; + if (!image) { + NSURL *url = [NSURL URLWithString:string]; + if (url) { + image = [[[NSImage alloc] initWithContentsOfURL:url] + autorelease]; + } + } + if (image) { + size = [image size]; + } + } + if (image) { + TkMacOSXDrawingContext dc; + int depth = 0; + +#ifdef MAC_OSX_TK_TODO + for (NSImageRep *r in [image representations]) { + NSInteger bitsPerSample = [r bitsPerSample]; + if (bitsPerSample && bitsPerSample > depth) { + depth = bitsPerSample; + }; + } + if (depth == 1) { + /* TODO: convert BW NSImage to CGImageMask */ + } +#endif + pixmap = Tk_GetPixmap(display, None, size.width, size.height, depth); + *width = size.width; + *height = size.height; + if (TkMacOSXSetupDrawingContext(pixmap, NULL, 1, &dc)) { + if (dc.context) { + CGAffineTransform t = { .a = 1, .b = 0, .c = 0, .d = -1, + .tx = 0, .ty = size.height}; + + CGContextConcatCTM(dc.context, t); + [NSGraphicsContext saveGraphicsState]; + [NSGraphicsContext setCurrentContext:[NSGraphicsContext + graphicsContextWithGraphicsPort:dc.context flipped:NO]]; + [image drawAtPoint:NSZeroPoint fromRect:NSZeroRect + operation:NSCompositeCopy fraction:1.0]; + [NSGraphicsContext restoreGraphicsState]; + } + TkMacOSXRestoreDrawingContext(&dc); + } + } else if (name) { + OSType iconType; + if (OSTypeFromString(name, &iconType) == TCL_OK) { + IconRef icon; + OSErr err = ChkErr(GetIconRef, kOnSystemDisk, kSystemIconsCreator, + iconType, &icon); + if (err == noErr) { + pixmap = GetBitmapForIcon(display, icon, NSSizeToCGSize(size)); + *width = size.width; + *height = size.height; + ReleaseIconRef(icon); + } + } + } + return pixmap; +} + +/* + *---------------------------------------------------------------------- + * + * TkMacOSXIconBitmapObjCmd -- + * + * Implements the ::tk::mac::iconBitmap command. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * none + * + *---------------------------------------------------------------------- + */ + +int +TkMacOSXIconBitmapObjCmd( + ClientData clientData, /* Unused. */ + Tcl_Interp *interp, /* Current interpreter. */ + int objc, /* Number of arguments. */ + Tcl_Obj *const objv[]) /* Argument objects. */ +{ + Tcl_HashEntry *hPtr; + int i = 1, len, isNew, result = TCL_ERROR; + const char *name, *value; + IconBitmap ib, *iconBitmap; + + if (objc != 6) { + Tcl_WrongNumArgs(interp, 1, objv, "name width height " + "-file|-fileType|-osType|-systemType|-namedImage|-imageFile " + "value"); + goto end; + } + name = Tcl_GetStringFromObj(objv[i++], &len); + if (!len) { + Tcl_SetObjResult(interp, Tcl_NewStringObj("empty bitmap name", -1)); + Tcl_SetErrorCode(interp, "TK", "MACBITMAP", "BAD", NULL); + goto end; + } + if (Tcl_GetIntFromObj(interp, objv[i++], &ib.width) != TCL_OK) { + goto end; + } + if (Tcl_GetIntFromObj(interp, objv[i++], &ib.height) != TCL_OK) { + goto end; + } + if (Tcl_GetIndexFromObjStruct(interp, objv[i++], iconBitmapOptionStrings, + sizeof(char *), "kind", TCL_EXACT, &ib.kind) != TCL_OK) { + goto end; + } + value = Tcl_GetStringFromObj(objv[i++], &len); + if (!len) { + Tcl_SetObjResult(interp, Tcl_NewStringObj("empty bitmap value", -1)); + Tcl_SetErrorCode(interp, "TK", "MACBITMAP", "EMPTY", NULL); + goto end; + } +#if 0 + if ((kind == ICON_TYPE || kind == ICON_SYSTEM)) { + Tcl_DString ds; + Tcl_Encoding encoding = Tcl_GetEncoding(NULL, "macRoman"); + + Tcl_UtfToExternalDString(encoding, value, -1, &ds); + len = Tcl_DStringLength(&ds); + Tcl_DStringFree(&ds); + Tcl_FreeEncoding(encoding); + if (len > 4) { + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "invalid bitmap value", -1)); + Tcl_SetErrorCode(interp, "TK", "MACBITMAP", "INVALID", NULL); + goto end; + } + } +#endif + ib.value = ckalloc(len + 1); + strcpy(ib.value, value); + if (!iconBitmapTable.buckets) { + Tcl_InitHashTable(&iconBitmapTable, TCL_STRING_KEYS); + } + hPtr = Tcl_CreateHashEntry(&iconBitmapTable, name, &isNew); + if (!isNew) { + iconBitmap = Tcl_GetHashValue(hPtr); + ckfree(iconBitmap->value); + } else { + iconBitmap = ckalloc(sizeof(IconBitmap)); + Tcl_SetHashValue(hPtr, iconBitmap); + } + *iconBitmap = ib; + result = TCL_OK; + end: + return result; +} + +/* + * Local Variables: + * mode: objc + * c-basic-offset: 4 + * fill-column: 79 + * coding: utf-8 + * End: + */ |