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authorWilliam Joye <wjoye@cfa.harvard.edu>2017-10-17 19:50:58 (GMT)
committerWilliam Joye <wjoye@cfa.harvard.edu>2017-10-17 19:50:58 (GMT)
commit9b7a6c3507ea3383c60aaecb29f873c9b590ccca (patch)
tree82ce31ebd8f46803d969034f5aa3db8d7974493c /tk8.6/unix/tkUnixCursor.c
parent87fca7325b97005eb44dcf3e198277640af66115 (diff)
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rm tcl/tk 8.6.7
Diffstat (limited to 'tk8.6/unix/tkUnixCursor.c')
-rw-r--r--tk8.6/unix/tkUnixCursor.c650
1 files changed, 0 insertions, 650 deletions
diff --git a/tk8.6/unix/tkUnixCursor.c b/tk8.6/unix/tkUnixCursor.c
deleted file mode 100644
index 8afb92d..0000000
--- a/tk8.6/unix/tkUnixCursor.c
+++ /dev/null
@@ -1,650 +0,0 @@
-/*
- * tkUnixCursor.c --
- *
- * This file contains X specific cursor manipulation routines.
- *
- * Copyright (c) 1995-1997 Sun Microsystems, Inc.
- *
- * See the file "license.terms" for information on usage and redistribution of
- * this file, and for a DISCLAIMER OF ALL WARRANTIES.
- */
-
-#include "tkInt.h"
-
-/*
- * The following data structure is a superset of the TkCursor structure
- * defined in tkCursor.c. Each system specific cursor module will define a
- * different cursor structure. All of these structures must have the same
- * header consisting of the fields in TkCursor.
- */
-
-typedef struct {
- TkCursor info; /* Generic cursor info used by tkCursor.c */
- Display *display; /* Display for which cursor is valid. */
-} TkUnixCursor;
-
-/*
- * The table below is used to map from the name of a cursor to its index in
- * the official cursor font:
- */
-
-static const struct CursorName {
- const char *name;
- unsigned int shape;
-} cursorNames[] = {
- {"X_cursor", XC_X_cursor},
- {"arrow", XC_arrow},
- {"based_arrow_down", XC_based_arrow_down},
- {"based_arrow_up", XC_based_arrow_up},
- {"boat", XC_boat},
- {"bogosity", XC_bogosity},
- {"bottom_left_corner", XC_bottom_left_corner},
- {"bottom_right_corner", XC_bottom_right_corner},
- {"bottom_side", XC_bottom_side},
- {"bottom_tee", XC_bottom_tee},
- {"box_spiral", XC_box_spiral},
- {"center_ptr", XC_center_ptr},
- {"circle", XC_circle},
- {"clock", XC_clock},
- {"coffee_mug", XC_coffee_mug},
- {"cross", XC_cross},
- {"cross_reverse", XC_cross_reverse},
- {"crosshair", XC_crosshair},
- {"diamond_cross", XC_diamond_cross},
- {"dot", XC_dot},
- {"dotbox", XC_dotbox},
- {"double_arrow", XC_double_arrow},
- {"draft_large", XC_draft_large},
- {"draft_small", XC_draft_small},
- {"draped_box", XC_draped_box},
- {"exchange", XC_exchange},
- {"fleur", XC_fleur},
- {"gobbler", XC_gobbler},
- {"gumby", XC_gumby},
- {"hand1", XC_hand1},
- {"hand2", XC_hand2},
- {"heart", XC_heart},
- {"icon", XC_icon},
- {"iron_cross", XC_iron_cross},
- {"left_ptr", XC_left_ptr},
- {"left_side", XC_left_side},
- {"left_tee", XC_left_tee},
- {"leftbutton", XC_leftbutton},
- {"ll_angle", XC_ll_angle},
- {"lr_angle", XC_lr_angle},
- {"man", XC_man},
- {"middlebutton", XC_middlebutton},
- {"mouse", XC_mouse},
- {"pencil", XC_pencil},
- {"pirate", XC_pirate},
- {"plus", XC_plus},
- {"question_arrow", XC_question_arrow},
- {"right_ptr", XC_right_ptr},
- {"right_side", XC_right_side},
- {"right_tee", XC_right_tee},
- {"rightbutton", XC_rightbutton},
- {"rtl_logo", XC_rtl_logo},
- {"sailboat", XC_sailboat},
- {"sb_down_arrow", XC_sb_down_arrow},
- {"sb_h_double_arrow", XC_sb_h_double_arrow},
- {"sb_left_arrow", XC_sb_left_arrow},
- {"sb_right_arrow", XC_sb_right_arrow},
- {"sb_up_arrow", XC_sb_up_arrow},
- {"sb_v_double_arrow", XC_sb_v_double_arrow},
- {"shuttle", XC_shuttle},
- {"sizing", XC_sizing},
- {"spider", XC_spider},
- {"spraycan", XC_spraycan},
- {"star", XC_star},
- {"target", XC_target},
- {"tcross", XC_tcross},
- {"top_left_arrow", XC_top_left_arrow},
- {"top_left_corner", XC_top_left_corner},
- {"top_right_corner", XC_top_right_corner},
- {"top_side", XC_top_side},
- {"top_tee", XC_top_tee},
- {"trek", XC_trek},
- {"ul_angle", XC_ul_angle},
- {"umbrella", XC_umbrella},
- {"ur_angle", XC_ur_angle},
- {"watch", XC_watch},
- {"xterm", XC_xterm},
- {NULL, 0}
-};
-
-/*
- * The table below is used to map from a cursor name to the data that defines
- * the cursor. This table is used for cursors defined by Tk that don't exist
- * in the X cursor table.
- */
-
-#define CURSOR_NONE_DATA \
-"#define none_width 1\n" \
-"#define none_height 1\n" \
-"#define none_x_hot 0\n" \
-"#define none_y_hot 0\n" \
-"static unsigned char none_bits[] = {\n" \
-" 0x00};"
-
-/*
- * Define test cursor to check that mask fg and bg color settings are working.
- *
- * . configure -cursor {center_ptr green red}
- * . configure -cursor {@myarrow.xbm myarrow-mask.xbm green red}
- * . configure -cursor {myarrow green red}
- */
-
-/*#define DEFINE_MYARROW_CURSOR*/
-
-#ifdef DEFINE_MYARROW_CURSOR
-#define CURSOR_MYARROW_DATA \
-"#define myarrow_width 16\n" \
-"#define myarrow_height 16\n" \
-"#define myarrow_x_hot 7\n" \
-"#define myarrow_y_hot 0\n" \
-"static unsigned char myarrow_bits[] = {\n" \
-" 0x7f, 0xff, 0xbf, 0xfe, 0xdf, 0xfd, 0xef, 0xfb, 0xf7, 0xf7, 0xfb, 0xef,\n" \
-" 0xfd, 0xdf, 0xfe, 0xbf, 0x80, 0x00, 0xbf, 0xfe, 0xbf, 0xfe, 0xbf, 0xfe,\n" \
-" 0xbf, 0xfe, 0xbf, 0xfe, 0xbf, 0xfe, 0x3f, 0xfe};"
-
-#define CURSOR_MYARROW_MASK \
-"#define myarrow-mask_width 16\n" \
-"#define myarrow-mask_height 16\n" \
-"#define myarrow-mask_x_hot 7\n" \
-"#define myarrow-mask_y_hot 0\n" \
-"static unsigned char myarrow-mask_bits[] = {\n" \
-" 0x80, 0x00, 0xc0, 0x01, 0xe0, 0x03, 0xf0, 0x07, 0xf8, 0x0f, 0xfc, 0x1f,\n" \
-" 0xfe, 0x3f, 0xff, 0x7f, 0xff, 0xff, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01,\n" \
-" 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01};"
-
-#endif /* DEFINE_MYARROW_CURSOR */
-
-static const struct TkCursorName {
- const char *name;
- const char *data;
- char *mask;
-} tkCursorNames[] = {
- {"none", CURSOR_NONE_DATA, NULL},
-#ifdef DEFINE_MYARROW_CURSOR
- {"myarrow", CURSOR_MYARROW_DATA, CURSOR_MYARROW_MASK},
-#endif /* DEFINE_MYARROW_CURSOR */
- {NULL, NULL, NULL}
-};
-
-/*
- * Font to use for cursors:
- */
-
-#ifndef CURSORFONT
-#define CURSORFONT "cursor"
-#endif
-
-static Cursor CreateCursorFromTableOrFile(Tcl_Interp *interp,
- Tk_Window tkwin, int argc, const char **argv,
- const struct TkCursorName *tkCursorPtr);
-
-/*
- *----------------------------------------------------------------------
- *
- * TkGetCursorByName --
- *
- * Retrieve a cursor by name. Parse the cursor name into fields and
- * create a cursor, either from the standard cursor font or from bitmap
- * files.
- *
- * Results:
- * Returns a new cursor, or NULL on errors.
- *
- * Side effects:
- * Allocates a new cursor.
- *
- *----------------------------------------------------------------------
- */
-
-TkCursor *
-TkGetCursorByName(
- Tcl_Interp *interp, /* Interpreter to use for error reporting. */
- Tk_Window tkwin, /* Window in which cursor will be used. */
- Tk_Uid string) /* Description of cursor. See manual entry for
- * details on legal syntax. */
-{
- TkUnixCursor *cursorPtr = NULL;
- Cursor cursor = None;
- int argc;
- const char **argv = NULL;
- Display *display = Tk_Display(tkwin);
- int inTkTable = 0;
- const struct TkCursorName *tkCursorPtr = NULL;
-
- if (Tcl_SplitList(interp, string, &argc, &argv) != TCL_OK) {
- return NULL;
- }
- if (argc == 0) {
- goto badString;
- }
-
- /*
- * Check Tk specific table of cursor names. The cursor names don't overlap
- * with cursors defined in the X table so search order does not matter.
- */
-
- if (argv[0][0] != '@') {
- for (tkCursorPtr = tkCursorNames; ; tkCursorPtr++) {
- if (tkCursorPtr->name == NULL) {
- tkCursorPtr = NULL;
- break;
- }
- if ((tkCursorPtr->name[0] == argv[0][0]) &&
- (strcmp(tkCursorPtr->name, argv[0]) == 0)) {
- inTkTable = 1;
- break;
- }
- }
- }
-
- if ((argv[0][0] != '@') && !inTkTable) {
- XColor fg, bg;
- unsigned int maskIndex;
- register const struct CursorName *namePtr;
- TkDisplay *dispPtr;
-
- /*
- * The cursor is to come from the standard cursor font. If one arg, it
- * is cursor name (use black and white for fg and bg). If two args,
- * they are name and fg color (ignore mask). If three args, they are
- * name, fg, bg. Some of the code below is stolen from the
- * XCreateFontCursor Xlib function.
- */
-
- if (argc > 3) {
- goto badString;
- }
- for (namePtr = cursorNames; ; namePtr++) {
- if (namePtr->name == NULL) {
- goto badString;
- }
- if ((namePtr->name[0] == argv[0][0])
- && (strcmp(namePtr->name, argv[0]) == 0)) {
- break;
- }
- }
-
- maskIndex = namePtr->shape + 1;
- if (argc == 1) {
- fg.red = fg.green = fg.blue = 0;
- bg.red = bg.green = bg.blue = 65535;
- } else {
- if (TkParseColor(display, Tk_Colormap(tkwin), argv[1], &fg) == 0) {
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "invalid color name \"%s\"", argv[1]));
- Tcl_SetErrorCode(interp, "TK", "CURSOR", "COLOR", NULL);
- goto cleanup;
- }
- if (argc == 2) {
- bg.red = bg.green = bg.blue = 0;
- maskIndex = namePtr->shape;
- } else if (TkParseColor(display, Tk_Colormap(tkwin), argv[2],
- &bg) == 0) {
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "invalid color name \"%s\"", argv[2]));
- Tcl_SetErrorCode(interp, "TK", "CURSOR", "COLOR", NULL);
- goto cleanup;
- }
- }
- dispPtr = ((TkWindow *) tkwin)->dispPtr;
- if (dispPtr->cursorFont == None) {
- dispPtr->cursorFont = XLoadFont(display, CURSORFONT);
- if (dispPtr->cursorFont == None) {
- Tcl_SetObjResult(interp, Tcl_NewStringObj(
- "couldn't load cursor font", -1));
- Tcl_SetErrorCode(interp, "TK", "CURSOR", "FONT", NULL);
- goto cleanup;
- }
- }
- cursor = XCreateGlyphCursor(display, dispPtr->cursorFont,
- dispPtr->cursorFont, namePtr->shape, maskIndex,
- &fg, &bg);
- } else {
- /*
- * Prevent file system access in safe interpreters.
- */
-
- if (!inTkTable && Tcl_IsSafe(interp)) {
- Tcl_SetObjResult(interp, Tcl_NewStringObj(
- "can't get cursor from a file in a safe interpreter",
- -1));
- Tcl_SetErrorCode(interp, "TK", "SAFE", "CURSOR_FILE", NULL);
- cursorPtr = NULL;
- goto cleanup;
- }
-
- /*
- * If the cursor is to be created from bitmap files, then there should
- * be either two elements in the list (source, color) or four (source
- * mask fg bg). A cursor defined in the Tk table accepts the same
- * arguments as an X cursor.
- */
-
- if (inTkTable && (argc != 1) && (argc != 2) && (argc != 3)) {
- goto badString;
- }
-
- if (!inTkTable && (argc != 2) && (argc != 4)) {
- goto badString;
- }
-
- cursor = CreateCursorFromTableOrFile(interp, tkwin, argc, argv,
- tkCursorPtr);
- }
-
- if (cursor != None) {
- cursorPtr = ckalloc(sizeof(TkUnixCursor));
- cursorPtr->info.cursor = (Tk_Cursor) cursor;
- cursorPtr->display = display;
- }
-
- cleanup:
- if (argv != NULL) {
- ckfree(argv);
- }
- return (TkCursor *) cursorPtr;
-
- badString:
- if (argv) {
- ckfree(argv);
- }
- Tcl_SetObjResult(interp, Tcl_ObjPrintf("bad cursor spec \"%s\"", string));
- Tcl_SetErrorCode(interp, "TK", "VALUE", "CURSOR", NULL);
- return NULL;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * CreateCursorFromTableOrFile --
- *
- * Create a cursor defined in a file or the Tk static cursor table. A
- * cursor defined in a file starts with the '@' character. This method
- * assumes that the number of arguments in argv has been validated
- * already.
- *
- * Results:
- * Returns a new cursor, or None on error.
- *
- * Side effects:
- * Allocates a new X cursor.
- *
- *----------------------------------------------------------------------
- */
-
-static Cursor
-CreateCursorFromTableOrFile(
- Tcl_Interp *interp, /* Interpreter to use for error reporting. */
- Tk_Window tkwin, /* Window in which cursor will be used. */
- int argc,
- const char **argv, /* Cursor spec parsed into elements. */
- const struct TkCursorName *tkCursorPtr)
- /* Non-NULL when cursor is defined in Tk
- * table. */
-{
- Cursor cursor = None;
-
- int width, height, maskWidth, maskHeight;
- int xHot = -1, yHot = -1;
- int dummy1, dummy2;
- XColor fg, bg;
- const char *fgColor;
- const char *bgColor;
- int inTkTable = (tkCursorPtr != NULL);
-
- Display *display = Tk_Display(tkwin);
- Drawable drawable = RootWindowOfScreen(Tk_Screen(tkwin));
-
- Pixmap source = None;
- Pixmap mask = None;
-
- /*
- * A cursor defined in a file accepts either 2 or 4 arguments.
- *
- * {srcfile fg}
- * {srcfile maskfile fg bg}
- *
- * A cursor defined in the Tk table accepts 1, 2, or 3 arguments.
- *
- * {tkcursorname}
- * {tkcursorname fg}
- * {tkcursorname fg bg}
- */
-
- if (inTkTable) {
- /*
- * This logic is like TkReadBitmapFile().
- */
-
- char *data;
-
- data = TkGetBitmapData(NULL, tkCursorPtr->data, NULL,
- &width, &height, &xHot, &yHot);
- if (data == NULL) {
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "error reading bitmap data for \"%s\"", argv[0]));
- Tcl_SetErrorCode(interp, "TK", "CURSOR", "BITMAP_DATA", NULL);
- goto cleanup;
- }
-
- source = XCreateBitmapFromData(display, drawable, data, width,height);
- ckfree(data);
- } else {
- if (TkReadBitmapFile(display, drawable, &argv[0][1],
- (unsigned *) &width, (unsigned *) &height,
- &source, &xHot, &yHot) != BitmapSuccess) {
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "cleanup reading bitmap file \"%s\"", &argv[0][1]));
- Tcl_SetErrorCode(interp, "TK", "CURSOR", "BITMAP_FILE", NULL);
- goto cleanup;
- }
- }
-
- if ((xHot < 0) || (yHot < 0) || (xHot >= width) || (yHot >= height)) {
- if (inTkTable) {
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "bad hot spot in bitmap data for \"%s\"", argv[0]));
- } else {
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "bad hot spot in bitmap file \"%s\"", &argv[0][1]));
- }
- Tcl_SetErrorCode(interp, "TK", "CURSOR", "HOTSPOT", NULL);
- goto cleanup;
- }
-
- /*
- * Parse color names from optional fg and bg arguments
- */
-
- if (argc == 1) {
- fg.red = fg.green = fg.blue = 0;
- bg.red = bg.green = bg.blue = 65535;
- } else if (argc == 2) {
- fgColor = argv[1];
- if (TkParseColor(display, Tk_Colormap(tkwin), fgColor, &fg) == 0) {
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "invalid color name \"%s\"", fgColor));
- Tcl_SetErrorCode(interp, "TK", "CURSOR", "COLOR", NULL);
- goto cleanup;
- }
- if (inTkTable) {
- bg.red = bg.green = bg.blue = 0;
- } else {
- bg = fg;
- }
- } else {
- /* 3 or 4 arguments */
- if (inTkTable) {
- fgColor = argv[1];
- bgColor = argv[2];
- } else {
- fgColor = argv[2];
- bgColor = argv[3];
- }
- if (TkParseColor(display, Tk_Colormap(tkwin), fgColor, &fg) == 0) {
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "invalid color name \"%s\"", fgColor));
- Tcl_SetErrorCode(interp, "TK", "CURSOR", "COLOR", NULL);
- goto cleanup;
- }
- if (TkParseColor(display, Tk_Colormap(tkwin), bgColor, &bg) == 0) {
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "invalid color name \"%s\"", bgColor));
- Tcl_SetErrorCode(interp, "TK", "CURSOR", "COLOR", NULL);
- goto cleanup;
- }
- }
-
- /*
- * If there is no mask data, then create the cursor now.
- */
-
- if ((!inTkTable && (argc == 2)) || (inTkTable && tkCursorPtr->mask == NULL)) {
- cursor = XCreatePixmapCursor(display, source, source,
- &fg, &fg, (unsigned) xHot, (unsigned) yHot);
- goto cleanup;
- }
-
- /*
- * Parse bitmap mask data and create cursor with fg and bg colors.
- */
-
- if (inTkTable) {
- /*
- * This logic is like TkReadBitmapFile().
- */
-
- char *data;
-
- data = TkGetBitmapData(NULL, tkCursorPtr->mask, NULL,
- &maskWidth, &maskHeight, &dummy1, &dummy2);
- if (data == NULL) {
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "error reading bitmap mask data for \"%s\"", argv[0]));
- Tcl_SetErrorCode(interp, "TK", "CURSOR", "MASK_DATA", NULL);
- goto cleanup;
- }
-
- mask = XCreateBitmapFromData(display, drawable, data, maskWidth,
- maskHeight);
-
- ckfree(data);
- } else {
- if (TkReadBitmapFile(display, drawable, argv[1],
- (unsigned int *) &maskWidth, (unsigned int *) &maskHeight,
- &mask, &dummy1, &dummy2) != BitmapSuccess) {
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
- "cleanup reading bitmap file \"%s\"", argv[1]));
- Tcl_SetErrorCode(interp, "TK", "CURSOR", "MASK_FILE", NULL);
- goto cleanup;
- }
- }
-
- if ((maskWidth != width) || (maskHeight != height)) {
- Tcl_SetObjResult(interp, Tcl_NewStringObj(
- "source and mask bitmaps have different sizes", -1));
- Tcl_SetErrorCode(interp, "TK", "CURSOR", "SIZE_MATCH", NULL);
- goto cleanup;
- }
-
- cursor = XCreatePixmapCursor(display, source, mask,
- &fg, &bg, (unsigned) xHot, (unsigned) yHot);
-
- cleanup:
- if (source != None) {
- Tk_FreePixmap(display, source);
- }
- if (mask != None) {
- Tk_FreePixmap(display, mask);
- }
- return cursor;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TkCreateCursorFromData --
- *
- * Creates a cursor from the source and mask bits.
- *
- * Results:
- * Returns a new cursor, or NULL on errors.
- *
- * Side effects:
- * Allocates a new cursor.
- *
- *----------------------------------------------------------------------
- */
-
-TkCursor *
-TkCreateCursorFromData(
- Tk_Window tkwin, /* Window in which cursor will be used. */
- const char *source, /* Bitmap data for cursor shape. */
- const char *mask, /* Bitmap data for cursor mask. */
- int width, int height, /* Dimensions of cursor. */
- int xHot, int yHot, /* Location of hot-spot in cursor. */
- XColor fgColor, /* Foreground color for cursor. */
- XColor bgColor) /* Background color for cursor. */
-{
- Cursor cursor;
- Pixmap sourcePixmap, maskPixmap;
- TkUnixCursor *cursorPtr = NULL;
- Display *display = Tk_Display(tkwin);
-
- sourcePixmap = XCreateBitmapFromData(display,
- RootWindowOfScreen(Tk_Screen(tkwin)), source, (unsigned) width,
- (unsigned) height);
- maskPixmap = XCreateBitmapFromData(display,
- RootWindowOfScreen(Tk_Screen(tkwin)), mask, (unsigned) width,
- (unsigned) height);
- cursor = XCreatePixmapCursor(display, sourcePixmap,
- maskPixmap, &fgColor, &bgColor, (unsigned) xHot, (unsigned) yHot);
- Tk_FreePixmap(display, sourcePixmap);
- Tk_FreePixmap(display, maskPixmap);
-
- if (cursor != None) {
- cursorPtr = ckalloc(sizeof(TkUnixCursor));
- cursorPtr->info.cursor = (Tk_Cursor) cursor;
- cursorPtr->display = display;
- }
- return (TkCursor *) cursorPtr;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TkpFreeCursor --
- *
- * This function is called to release a cursor allocated by
- * TkGetCursorByName.
- *
- * Results:
- * None.
- *
- * Side effects:
- * The cursor data structure is deallocated.
- *
- *----------------------------------------------------------------------
- */
-
-void
-TkpFreeCursor(
- TkCursor *cursorPtr)
-{
- TkUnixCursor *unixCursorPtr = (TkUnixCursor *) cursorPtr;
-
- XFreeCursor(unixCursorPtr->display, (Cursor) unixCursorPtr->info.cursor);
-}
-
-/*
- * Local Variables:
- * mode: c
- * c-basic-offset: 4
- * fill-column: 78
- * End:
- */