diff options
Diffstat (limited to 'generic')
-rw-r--r-- | generic/tkGrid.c | 51 | ||||
-rw-r--r-- | generic/tkPack.c | 242 |
2 files changed, 206 insertions, 87 deletions
diff --git a/generic/tkGrid.c b/generic/tkGrid.c index 8564381..0d176f5 100644 --- a/generic/tkGrid.c +++ b/generic/tkGrid.c @@ -8,7 +8,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkGrid.c,v 1.10 2000/08/02 20:52:34 ericm Exp $ + * RCS: @(#) $Id: tkGrid.c,v 1.11 2001/02/12 18:06:47 drh Exp $ */ #include "tkInt.h" @@ -161,10 +161,13 @@ typedef struct Gridder { int numCols, numRows; /* Number of columns or rows this slave spans. * Should be at least 1. */ int padX, padY; /* Total additional pixels to leave around the - * window (half of this space is left on each - * side). This is space *outside* the window: + * window. Some is of this space is on each + * side. This is space *outside* the window: * we'll allocate extra space in frame but * won't enlarge window). */ + int padLeft, padTop; /* The part of padX or padY to use on the + * left or top of the widget, respectively. + * By default, this is half of padX or padY. */ int iPadX, iPadY; /* Total extra pixels to allocate inside the * window (half this amount will appear on * each side). */ @@ -266,6 +269,14 @@ static void StickyToString _ANSI_ARGS_((int flags, char *result)); static int StringToSticky _ANSI_ARGS_((char *string)); static void Unlink _ANSI_ARGS_((Gridder *gridPtr)); +/* + * Prototypes for procedures contained in other files but not exported + * using tkIntDecls.h + */ + +void TkPrintPadAmount _ANSI_ARGS_((Tcl_Interp*, char*, int, int)); +int TkParsePadAmount _ANSI_ARGS_((Tcl_Interp*, Tk_Window, char*, int*, int*)); + static Tk_GeomMgr gridMgrType = { "grid", /* name */ GridReqProc, /* requestProc */ @@ -545,6 +556,7 @@ GridForgetRemoveCommand(tkwin, interp, argc, argv) slavePtr->numCols = 1; slavePtr->numRows = 1; slavePtr->padX = slavePtr->padY = 0; + slavePtr->padLeft = slavePtr->padTop = 0; slavePtr->iPadX = slavePtr->iPadY = 0; slavePtr->doubleBw = 2*Tk_Changes(tkwin)->border_width; if (slavePtr->flags & REQUESTED_RELAYOUT) { @@ -615,10 +627,10 @@ GridInfoCommand(tkwin, interp, argc, argv) slavePtr->column, slavePtr->row, slavePtr->numCols, slavePtr->numRows); Tcl_AppendResult(interp, buffer, (char *) NULL); - sprintf(buffer, " -ipadx %d -ipady %d -padx %d -pady %d", - slavePtr->iPadX/2, slavePtr->iPadY/2, slavePtr->padX/2, - slavePtr->padY/2); - Tcl_AppendResult(interp, buffer, (char *) NULL); + TkPrintPadAmount(interp, "ipadx", slavePtr->iPadX/2, slavePtr->iPadX); + TkPrintPadAmount(interp, "ipady", slavePtr->iPadY/2, slavePtr->iPadY); + TkPrintPadAmount(interp, "padx", slavePtr->padLeft, slavePtr->padX); + TkPrintPadAmount(interp, "pady", slavePtr->padTop, slavePtr->padY); StickyToString(slavePtr->sticky,buffer); Tcl_AppendResult(interp, " -sticky ", buffer, (char *) NULL); return TCL_OK; @@ -1425,9 +1437,9 @@ AdjustForSticky(slavePtr, xPtr, yPtr, widthPtr, heightPtr) int diffy=0; /* Cavity hight - slave height. */ int sticky = slavePtr->sticky; - *xPtr += slavePtr->padX/2; + *xPtr += slavePtr->padLeft; *widthPtr -= slavePtr->padX; - *yPtr += slavePtr->padY/2; + *yPtr += slavePtr->padTop; *heightPtr -= slavePtr->padY; if (*widthPtr > (Tk_ReqWidth(slavePtr->tkwin) + slavePtr->iPadX)) { @@ -2029,6 +2041,7 @@ GetGrid(tkwin) gridPtr->numRows = 1; gridPtr->padX = gridPtr->padY = 0; + gridPtr->padLeft = gridPtr->padTop = 0; gridPtr->iPadX = gridPtr->iPadY = 0; gridPtr->doubleBw = 2*Tk_Changes(tkwin)->border_width; gridPtr->abortPtr = NULL; @@ -2599,26 +2612,16 @@ ConfigureSlaves(interp, tkwin, argc, argv) slavePtr->iPadY = tmp*2; } else if ((c == 'p') && (strncmp(argv[i], "-padx", length) == 0)) { - if ((Tk_GetPixels(interp, slave, argv[i+1], &tmp) != TCL_OK) - || (tmp< 0)) { - Tcl_ResetResult(interp); - Tcl_AppendResult(interp, "bad padx value \"", argv[i+1], - "\": must be positive screen distance", - (char *) NULL); + if (TkParsePadAmount(interp, tkwin, argv[i+1], + &slavePtr->padLeft, &slavePtr->padX) != TCL_OK) { return TCL_ERROR; } - slavePtr->padX = tmp*2; } else if ((c == 'p') && (strncmp(argv[i], "-pady", length) == 0)) { - if ((Tk_GetPixels(interp, slave, argv[i+1], &tmp) != TCL_OK) - || (tmp< 0)) { - Tcl_ResetResult(interp); - Tcl_AppendResult(interp, "bad pady value \"", argv[i+1], - "\": must be positive screen distance", - (char *) NULL); + if (TkParsePadAmount(interp, tkwin, argv[i+1], + &slavePtr->padTop, &slavePtr->padY) != TCL_OK) { return TCL_ERROR; } - slavePtr->padY = tmp*2; } else if ((c == 'r') && (strncmp(argv[i], "-row", length) == 0)) { if (Tcl_GetInt(interp, argv[i+1], &tmp) != TCL_OK || tmp<0) { Tcl_ResetResult(interp); @@ -2905,4 +2908,4 @@ StringToSticky(string) } } return sticky; -} +} diff --git a/generic/tkPack.c b/generic/tkPack.c index a178261..a6df7a9 100644 --- a/generic/tkPack.c +++ b/generic/tkPack.c @@ -10,7 +10,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkPack.c,v 1.6 2000/04/10 22:43:12 ericm Exp $ + * RCS: @(#) $Id: tkPack.c,v 1.7 2001/02/12 18:06:47 drh Exp $ */ #include "tkPort.h" @@ -24,7 +24,7 @@ typedef enum {TOP, BOTTOM, LEFT, RIGHT} Side; * structure of the following type: */ -typedef struct /* Green Bay */ Packer { +typedef struct Packer { Tk_Window tkwin; /* Tk token for window. NULL means that * the window has been deleted, but the * packet hasn't had a chance to clean up @@ -45,12 +45,15 @@ typedef struct /* Green Bay */ Packer { * than window needs, this indicates how * where to position window in frame. */ int padX, padY; /* Total additional pixels to leave around the - * window (half of this space is left on each - * side). This is space *outside* the window: + * window. Some is of this space is on each + * side. This is space *outside* the window: * we'll allocate extra space in frame but * won't enlarge window). */ + int padLeft, padTop; /* The part of padX or padY to use on the + * left or top of the widget, respectively. + * By default, this is half of padX or padY. */ int iPadX, iPadY; /* Total extra pixels to allocate inside the - * window (half this amount will appear on + * window (half of this amount will appear on * each side). */ int doubleBw; /* Twice the window's last known border * width. If this changes, the window @@ -136,6 +139,43 @@ static int YExpansion _ANSI_ARGS_((Packer *slavePtr, /* *-------------------------------------------------------------- * + * TkPrintPadAmount -- + * + * This procedure generates a text value that describes one + * of the -padx, -pady, -ipadx, or -ipady configuration options. + * The text value generated is appended to the interpreter + * result. + * + * Results: + * None. + * + * Side effects: + * None. + * + *-------------------------------------------------------------- + */ +void +TkPrintPadAmount(interp, switchName, halfSpace, allSpace) + Tcl_Interp *interp; /* The interpreter into which the result + * is written. */ + char *switchName; /* One of "padx", "pady", "ipadx" or "ipady" */ + int halfSpace; /* The left or top padding amount */ + int allSpace; /* The total amount of padding */ +{ + char buffer[60 + 2*TCL_INTEGER_SPACE]; + if (halfSpace*2 == allSpace) { + sprintf(buffer, " -%.10s %d", switchName, halfSpace); + } else { + sprintf(buffer, " -%.10s {%d %d}", switchName, halfSpace, + allSpace - halfSpace); + } + Tcl_AppendResult(interp, buffer, (char *)NULL); +} + + +/* + *-------------------------------------------------------------- + * * Tk_PackCmd -- * * This procedure is invoked to process the "pack" Tcl command. @@ -268,7 +308,6 @@ Tk_PackCmd(clientData, interp, argc, argv) } else if ((c == 'i') && (strncmp(argv[1], "info", length) == 0)) { register Packer *slavePtr; Tk_Window slave; - char buffer[64 + TCL_INTEGER_SPACE * 4]; static char *sideNames[] = {"top", "bottom", "left", "right"}; if (argc != 3) { @@ -307,10 +346,11 @@ Tk_PackCmd(clientData, interp, argc, argv) Tcl_AppendResult(interp, "both", (char *) NULL); break; } - sprintf(buffer, " -ipadx %d -ipady %d -padx %d -pady %d", - slavePtr->iPadX/2, slavePtr->iPadY/2, slavePtr->padX/2, - slavePtr->padY/2); - Tcl_AppendResult(interp, buffer, " -side ", sideNames[slavePtr->side], + TkPrintPadAmount(interp, "ipadx", slavePtr->iPadX/2, slavePtr->iPadX); + TkPrintPadAmount(interp, "ipady", slavePtr->iPadY/2, slavePtr->iPadY); + TkPrintPadAmount(interp, "padx", slavePtr->padLeft, slavePtr->padX); + TkPrintPadAmount(interp, "pady", slavePtr->padTop, slavePtr->padY); + Tcl_AppendResult(interp, " -side ", sideNames[slavePtr->side], (char *) NULL); } else if ((c == 'p') && (strncmp(argv[1], "propagate", length) == 0)) { Tk_Window master; @@ -518,6 +558,8 @@ ArrangePacking(clientData) int abort; /* May get set to non-zero to abort this * repacking operation. */ int borderX, borderY; + int borderTop, borderBtm; + int borderLeft, borderRight; int maxWidth, maxHeight, tmp; masterPtr->flags &= ~REQUESTED_REPACK; @@ -678,9 +720,15 @@ ArrangePacking(clientData) if (slavePtr->flags & OLD_STYLE) { borderX = borderY = 0; + borderTop = borderBtm = 0; + borderLeft = borderRight = 0; } else { borderX = slavePtr->padX; borderY = slavePtr->padY; + borderLeft = slavePtr->padLeft; + borderRight = borderX - borderLeft; + borderTop = slavePtr->padTop; + borderBtm = borderY - borderTop; } width = Tk_ReqWidth(slavePtr->tkwin) + slavePtr->doubleBw + slavePtr->iPadX; @@ -694,44 +742,42 @@ ArrangePacking(clientData) || (height > (frameHeight - borderY))) { height = frameHeight - borderY; } - borderX /= 2; - borderY /= 2; switch (slavePtr->anchor) { case TK_ANCHOR_N: - x = frameX + (frameWidth - width)/2; - y = frameY + borderY; + x = frameX + (borderLeft + frameWidth - width - borderRight)/2; + y = frameY + borderTop; break; case TK_ANCHOR_NE: - x = frameX + frameWidth - width - borderX; - y = frameY + borderY; + x = frameX + frameWidth - width - borderRight; + y = frameY + borderTop; break; case TK_ANCHOR_E: - x = frameX + frameWidth - width - borderX; - y = frameY + (frameHeight - height)/2; + x = frameX + frameWidth - width - borderRight; + y = frameY + (borderTop + frameHeight - height - borderBtm)/2; break; case TK_ANCHOR_SE: - x = frameX + frameWidth - width - borderX; - y = frameY + frameHeight - height - borderY; + x = frameX + frameWidth - width - borderRight; + y = frameY + frameHeight - height - borderBtm; break; case TK_ANCHOR_S: - x = frameX + (frameWidth - width)/2; - y = frameY + frameHeight - height - borderY; + x = frameX + (borderLeft + frameWidth - width - borderRight)/2; + y = frameY + frameHeight - height - borderBtm; break; case TK_ANCHOR_SW: - x = frameX + borderX; - y = frameY + frameHeight - height - borderY; + x = frameX + borderLeft; + y = frameY + frameHeight - height - borderBtm; break; case TK_ANCHOR_W: - x = frameX + borderX; - y = frameY + (frameHeight - height)/2; + x = frameX + borderLeft; + y = frameY + (borderTop + frameHeight - height - borderBtm)/2; break; case TK_ANCHOR_NW: - x = frameX + borderX; - y = frameY + borderY; + x = frameX + borderLeft; + y = frameY + borderTop; break; case TK_ANCHOR_CENTER: - x = frameX + (frameWidth - width)/2; - y = frameY + (frameHeight - height)/2; + x = frameX + (borderLeft + frameWidth - width - borderRight)/2; + y = frameY + (borderTop + frameHeight - height - borderBtm)/2; break; default: panic("bad frame factor in ArrangePacking"); @@ -969,6 +1015,7 @@ GetPacker(tkwin) packPtr->side = TOP; packPtr->anchor = TK_ANCHOR_CENTER; packPtr->padX = packPtr->padY = 0; + packPtr->padLeft = packPtr->padTop = 0; packPtr->iPadX = packPtr->iPadY = 0; packPtr->doubleBw = 2*Tk_Changes(tkwin)->border_width; packPtr->abortPtr = NULL; @@ -982,6 +1029,85 @@ GetPacker(tkwin) /* *-------------------------------------------------------------- * + * TkParsePadAmount -- + * + * This procedure parses a padding specification and returns + * the appropriate padding values. A padding specification can + * be either a single pixel width, or a list of two pixel widths. + * If a single pixel width, the amount specified is used for + * padding on both sides. If two amounts are specified, then + * they specify the left/right or top/bottom padding. + * + * Results: + * A standard Tcl return value. + * + * Side effects: + * An error message is written to the interpreter is something + * is not right. + * + *-------------------------------------------------------------- + */ + +int +TkParsePadAmount(interp, tkwin, padSpec, halfPtr, allPtr) + Tcl_Interp *interp; /* Interpreter for error reporting. */ + Tk_Window tkwin; /* A window. Needed by Tk_GetPixels() */ + char *padSpec; /* The argument to "-padx", "-pady", "-ipadx", + * or "-ipady". The thing to be parsed. */ + int *halfPtr; /* Write the left/top part of padding here */ + int *allPtr; /* Write the total padding here */ +{ + char *secondPart; /* The second pixel amount of the list */ + char *separator = 0; /* Separator between 1st and 2nd pixel widths */ + int sepChar; /* Character used as the separator */ + int firstInt, secondInt; /* The two components of the padding */ + + for (secondPart=padSpec; + (*secondPart != '\0') && !isspace(UCHAR(*secondPart)); + secondPart++) + { /* Do nothing */ } + if (*secondPart != '\0') { + separator = secondPart; + sepChar = *secondPart; + *secondPart = '\0'; + secondPart++; + while ( isspace(UCHAR(*secondPart)) ) { + secondPart++; + } + if (*secondPart == '\0'){ + secondPart = 0; + *separator = sepChar; + } + } else { + secondPart = 0; + } + if ((Tk_GetPixels(interp, tkwin, padSpec, &firstInt) != TCL_OK) || + (firstInt < 0)) { + Tcl_ResetResult(interp); + Tcl_AppendResult(interp, "bad pad value \"", padSpec, + "\": must be positive screen distance", (char *) NULL); + return TCL_ERROR; + } + if (secondPart) { + if ((Tk_GetPixels(interp, tkwin, secondPart, &secondInt) != TCL_OK) || + (secondInt < 0)) { + Tcl_ResetResult(interp); + Tcl_AppendResult(interp, "bad 2nd pad value \"", secondPart, + "\": must be positive screen distance", (char *) NULL); + return TCL_ERROR; + } + *separator = sepChar; + } else { + secondInt = firstInt; + } + if (halfPtr != 0) *halfPtr = firstInt; + *allPtr = firstInt + secondInt; + return TCL_OK; +} + +/* + *-------------------------------------------------------------- + * * PackAfter -- * * This procedure does most of the real work of adding @@ -1013,7 +1139,7 @@ PackAfter(interp, prevPtr, masterPtr, argc, argv) Tk_Window tkwin, ancestor, parent; size_t length; char **options; - int index, tmp, optionCount, c; + int index, optionCount, c; /* * Iterate over all of the window specifiers, each consisting of @@ -1072,6 +1198,7 @@ PackAfter(interp, prevPtr, masterPtr, argc, argv) packPtr->side = TOP; packPtr->anchor = TK_ANCHOR_CENTER; packPtr->padX = packPtr->padY = 0; + packPtr->padLeft = packPtr->padTop = 0; packPtr->iPadX = packPtr->iPadY = 0; packPtr->flags &= ~(FILLX|FILLY|EXPAND); packPtr->flags |= OLD_STYLE; @@ -1111,27 +1238,24 @@ PackAfter(interp, prevPtr, masterPtr, argc, argv) (char *) NULL); goto error; } - if ((Tk_GetPixels(interp, tkwin, options[index+1], &tmp) - != TCL_OK) || (tmp < 0)) { - badPad: - Tcl_AppendResult(interp, "bad pad value \"", - options[index+1], - "\": must be positive screen distance", - (char *) NULL); + if (TkParsePadAmount(interp, tkwin, options[index+1], + &packPtr->padLeft, &packPtr->padX) != TCL_OK) { goto error; } - packPtr->padX = tmp; + packPtr->padX /= 2; + packPtr->padLeft /= 2; packPtr->iPadX = 0; index++; } else if ((c == 'p') && (strcmp(curOpt, "pady")) == 0) { if (optionCount < (index+2)) { goto missingPad; } - if ((Tk_GetPixels(interp, tkwin, options[index+1], &tmp) - != TCL_OK) || (tmp < 0)) { - goto badPad; + if (TkParsePadAmount(interp, tkwin, options[index+1], + &packPtr->padTop, &packPtr->padY) != TCL_OK) { + goto error; } - packPtr->padY = tmp; + packPtr->padY /= 2; + packPtr->padTop /= 2; packPtr->iPadY = 0; index++; } else if ((c == 'f') && (length > 1) @@ -1462,6 +1586,7 @@ ConfigureSlaves(interp, tkwin, argc, argv) slavePtr->side = TOP; slavePtr->anchor = TK_ANCHOR_CENTER; slavePtr->padX = slavePtr->padY = 0; + slavePtr->padLeft = slavePtr->padTop = 0; slavePtr->iPadX = slavePtr->iPadY = 0; slavePtr->flags &= ~(FILLX|FILLY|EXPAND); } @@ -1561,34 +1686,25 @@ ConfigureSlaves(interp, tkwin, argc, argv) positionGiven = 1; } } else if ((c == 'i') && (strcmp(argv[i], "-ipadx") == 0)) { - if ((Tk_GetPixels(interp, slave, argv[i+1], &tmp) != TCL_OK) - || (tmp < 0)) { - badPad: - Tcl_ResetResult(interp); - Tcl_AppendResult(interp, "bad pad value \"", argv[i+1], - "\": must be positive screen distance", - (char *) NULL); + if (TkParsePadAmount(interp, slave, argv[i+1], + 0, &slavePtr->iPadX) != TCL_OK) { return TCL_ERROR; } - slavePtr->iPadX = tmp*2; } else if ((c == 'i') && (strcmp(argv[i], "-ipady") == 0)) { - if ((Tk_GetPixels(interp, slave, argv[i+1], &tmp) != TCL_OK) - || (tmp< 0)) { - goto badPad; + if (TkParsePadAmount(interp, slave, argv[i+1], + 0, &slavePtr->iPadY) != TCL_OK) { + return TCL_ERROR; } - slavePtr->iPadY = tmp*2; } else if ((c == 'p') && (strcmp(argv[i], "-padx") == 0)) { - if ((Tk_GetPixels(interp, slave, argv[i+1], &tmp) != TCL_OK) - || (tmp< 0)) { - goto badPad; + if (TkParsePadAmount(interp, slave, argv[i+1], + &slavePtr->padLeft, &slavePtr->padX) != TCL_OK) { + return TCL_ERROR; } - slavePtr->padX = tmp*2; } else if ((c == 'p') && (strcmp(argv[i], "-pady") == 0)) { - if ((Tk_GetPixels(interp, slave, argv[i+1], &tmp) != TCL_OK) - || (tmp< 0)) { - goto badPad; + if (TkParsePadAmount(interp, slave, argv[i+1], + &slavePtr->padTop, &slavePtr->padY) != TCL_OK) { + return TCL_ERROR; } - slavePtr->padY = tmp*2; } else if ((c == 's') && (strncmp(argv[i], "-side", length) == 0)) { c = argv[i+1][0]; if ((c == 't') && (strcmp(argv[i+1], "top") == 0)) { |