2129 lines
62 KiB
C
2129 lines
62 KiB
C
/*
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* DERIVED FROM: tk/generic/tkEntry.c r1.35.
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*
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* Copyright (c) 1990-1994 The Regents of the University of California.
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* Copyright (c) 1994-1997 Sun Microsystems, Inc.
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* Copyright (c) 2000 Ajuba Solutions.
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* Copyright (c) 2002 ActiveState Corporation.
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* Copyright (c) 2004 Joe English
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*/
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#include "tkInt.h"
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#include "ttkTheme.h"
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#include "ttkWidget.h"
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/*
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* Extra bits for core.flags:
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*/
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#define GOT_SELECTION (WIDGET_USER_FLAG<<1)
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#define SYNCING_VARIABLE (WIDGET_USER_FLAG<<2)
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#define VALIDATING (WIDGET_USER_FLAG<<3)
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#define VALIDATION_SET_VALUE (WIDGET_USER_FLAG<<4)
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/*
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* Definitions for -validate option values:
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*/
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typedef enum validateMode {
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VMODE_ALL, VMODE_KEY, VMODE_FOCUS, VMODE_FOCUSIN, VMODE_FOCUSOUT, VMODE_NONE
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} VMODE;
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static const char *const validateStrings[] = {
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"all", "key", "focus", "focusin", "focusout", "none", NULL
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};
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/*
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* Validation reasons:
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*/
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typedef enum validateReason {
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VALIDATE_INSERT, VALIDATE_DELETE,
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VALIDATE_FOCUSIN, VALIDATE_FOCUSOUT,
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VALIDATE_FORCED
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} VREASON;
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static const char *const validateReasonStrings[] = {
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"key", "key", "focusin", "focusout", "forced", NULL
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};
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/*------------------------------------------------------------------------
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* +++ Entry widget record.
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*
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* Dependencies:
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*
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* textVariableTrace : textVariableObj
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*
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* numBytes,numChars : string
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* displayString : numChars, showChar
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* layoutHeight,
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* layoutWidth,
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* textLayout : fontObj, displayString
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* layoutX, layoutY : textLayout, justify, xscroll.first
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*
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* Invariants:
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*
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* 0 <= insertPos <= numChars
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* 0 <= selectFirst < selectLast <= numChars || selectFirst == selectLast == -1
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* displayString points to string if showChar == NULL,
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* or to malloc'ed storage if showChar != NULL.
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*/
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/* Style parameters:
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*/
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typedef struct {
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Tcl_Obj *foregroundObj; /* Foreground color for normal text */
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Tcl_Obj *backgroundObj; /* Entry widget background color */
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Tcl_Obj *selBorderObj; /* Border and background for selection */
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Tcl_Obj *selBorderWidthObj; /* Width of selection border */
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Tcl_Obj *selForegroundObj; /* Foreground color for selected text */
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Tcl_Obj *insertColorObj; /* Color of insertion cursor */
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Tcl_Obj *insertWidthObj; /* Insert cursor width */
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} EntryStyleData;
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typedef struct {
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/*
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* Internal state:
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*/
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char *string; /* Storage for string (malloced) */
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int numBytes; /* Length of string in bytes. */
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int numChars; /* Length of string in characters. */
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int insertPos; /* Insert index */
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int selectFirst; /* Index of start of selection, or -1 */
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int selectLast; /* Index of end of selection, or -1 */
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Scrollable xscroll; /* Current scroll position */
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ScrollHandle xscrollHandle;
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/*
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* Options managed by Tk_SetOptions:
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*/
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Tcl_Obj *textVariableObj; /* Name of linked variable */
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int exportSelection; /* Tie internal selection to X selection? */
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VMODE validate; /* Validation mode */
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char *validateCmd; /* Validation script template */
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char *invalidCmd; /* Invalid callback script template */
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char *showChar; /* Used to derive displayString */
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Tcl_Obj *fontObj; /* Text font to use */
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Tcl_Obj *widthObj; /* Desired width of window (in avgchars) */
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Tk_Justify justify; /* Text justification */
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EntryStyleData styleData; /* Display style data (widget options) */
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EntryStyleData styleDefaults;/* Style defaults (fallback values) */
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Tcl_Obj *stateObj; /* Compatibility option -- see CheckStateObj */
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/*
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* Derived resources:
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*/
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Ttk_TraceHandle *textVariableTrace;
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char *displayString; /* String to use when displaying */
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Tk_TextLayout textLayout; /* Cached text layout information. */
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int layoutWidth; /* textLayout width */
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int layoutHeight; /* textLayout height */
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int layoutX, layoutY; /* Origin for text layout. */
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} EntryPart;
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typedef struct {
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WidgetCore core;
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EntryPart entry;
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} Entry;
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/*
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* Extra mask bits for Tk_SetOptions()
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*/
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#define STATE_CHANGED (0x100) /* -state option changed */
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#define TEXTVAR_CHANGED (0x200) /* -textvariable option changed */
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#define SCROLLCMD_CHANGED (0x400) /* -xscrollcommand option changed */
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/*
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* Default option values:
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*/
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#define DEF_SELECT_BG "#000000"
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#define DEF_SELECT_FG "#ffffff"
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#define DEF_INSERT_BG "black"
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#define DEF_ENTRY_WIDTH "20"
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#define DEF_ENTRY_FONT "TkTextFont"
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#define DEF_LIST_HEIGHT "10"
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static Tk_OptionSpec EntryOptionSpecs[] = {
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{TK_OPTION_BOOLEAN, "-exportselection", "exportSelection",
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"ExportSelection", "1", -1, Tk_Offset(Entry, entry.exportSelection),
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0,0,0 },
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{TK_OPTION_FONT, "-font", "font", "Font",
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DEF_ENTRY_FONT, Tk_Offset(Entry, entry.fontObj),-1,
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0,0,GEOMETRY_CHANGED},
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{TK_OPTION_STRING, "-invalidcommand", "invalidCommand", "InvalidCommand",
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NULL, -1, Tk_Offset(Entry, entry.invalidCmd),
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
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"left", -1, Tk_Offset(Entry, entry.justify),
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0, 0, GEOMETRY_CHANGED},
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{TK_OPTION_STRING, "-show", "show", "Show",
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NULL, -1, Tk_Offset(Entry, entry.showChar),
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_STRING, "-state", "state", "State",
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"normal", Tk_Offset(Entry, entry.stateObj), -1,
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0,0,STATE_CHANGED},
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{TK_OPTION_STRING, "-textvariable", "textVariable", "Variable",
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NULL, Tk_Offset(Entry, entry.textVariableObj), -1,
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TK_OPTION_NULL_OK,0,TEXTVAR_CHANGED},
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{TK_OPTION_STRING_TABLE, "-validate", "validate", "Validate",
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"none", -1, Tk_Offset(Entry, entry.validate),
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0, (ClientData) validateStrings, 0},
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{TK_OPTION_STRING, "-validatecommand", "validateCommand", "ValidateCommand",
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NULL, -1, Tk_Offset(Entry, entry.validateCmd),
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_INT, "-width", "width", "Width",
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DEF_ENTRY_WIDTH, Tk_Offset(Entry, entry.widthObj), -1,
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0,0,GEOMETRY_CHANGED},
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{TK_OPTION_STRING, "-xscrollcommand", "xScrollCommand", "ScrollCommand",
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NULL, -1, Tk_Offset(Entry, entry.xscroll.scrollCmd),
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TK_OPTION_NULL_OK, 0, SCROLLCMD_CHANGED},
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/* EntryStyleData options:
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*/
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{TK_OPTION_COLOR, "-foreground", "textColor", "TextColor",
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NULL, Tk_Offset(Entry, entry.styleData.foregroundObj), -1,
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TK_OPTION_NULL_OK,0,0},
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{TK_OPTION_COLOR, "-background", "windowColor", "WindowColor",
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NULL, Tk_Offset(Entry, entry.styleData.backgroundObj), -1,
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TK_OPTION_NULL_OK,0,0},
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WIDGET_TAKEFOCUS_TRUE,
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WIDGET_INHERIT_OPTIONS(ttkCoreOptionSpecs)
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};
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/*------------------------------------------------------------------------
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* +++ EntryStyleData management.
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* This is still more awkward than it should be;
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* it should be able to use the Element API instead.
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*/
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/* EntryInitStyleDefaults --
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* Initialize EntryStyleData record to fallback values.
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*/
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static void EntryInitStyleDefaults(EntryStyleData *es)
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{
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#define INIT(member, value) \
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es->member = Tcl_NewStringObj(value, -1); \
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Tcl_IncrRefCount(es->member);
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INIT(foregroundObj, DEFAULT_FOREGROUND)
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INIT(selBorderObj, DEF_SELECT_BG)
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INIT(selForegroundObj, DEF_SELECT_FG)
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INIT(insertColorObj, DEFAULT_FOREGROUND)
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INIT(selBorderWidthObj, "0")
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INIT(insertWidthObj, "1")
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#undef INIT
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}
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static void EntryFreeStyleDefaults(EntryStyleData *es)
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{
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Tcl_DecrRefCount(es->foregroundObj);
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Tcl_DecrRefCount(es->selBorderObj);
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Tcl_DecrRefCount(es->selForegroundObj);
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Tcl_DecrRefCount(es->insertColorObj);
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Tcl_DecrRefCount(es->selBorderWidthObj);
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Tcl_DecrRefCount(es->insertWidthObj);
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}
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/*
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* EntryInitStyleData --
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* Look up style-specific data for an entry widget.
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*/
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static void EntryInitStyleData(Entry *entryPtr, EntryStyleData *es)
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{
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Ttk_State state = entryPtr->core.state;
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Ttk_ResourceCache cache = Ttk_GetResourceCache(entryPtr->core.interp);
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Tk_Window tkwin = entryPtr->core.tkwin;
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Tcl_Obj *tmp;
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/* Initialize to fallback values:
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*/
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*es = entryPtr->entry.styleDefaults;
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# define INIT(member, name) \
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if ((tmp=Ttk_QueryOption(entryPtr->core.layout,name,state))) \
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es->member=tmp;
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INIT(foregroundObj, "-foreground");
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INIT(selBorderObj, "-selectbackground")
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INIT(selBorderWidthObj, "-selectborderwidth")
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INIT(selForegroundObj, "-selectforeground")
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INIT(insertColorObj, "-insertcolor")
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INIT(insertWidthObj, "-insertwidth")
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#undef INIT
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/* Reacquire color & border resources from resource cache.
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*/
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es->foregroundObj = Ttk_UseColor(cache, tkwin, es->foregroundObj);
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es->selForegroundObj = Ttk_UseColor(cache, tkwin, es->selForegroundObj);
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es->insertColorObj = Ttk_UseColor(cache, tkwin, es->insertColorObj);
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es->selBorderObj = Ttk_UseBorder(cache, tkwin, es->selBorderObj);
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}
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/*------------------------------------------------------------------------
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* +++ Resource management.
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*/
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/* EntryDisplayString --
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* Return a malloc'ed string consisting of 'numChars' copies
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* of (the first character in the string) 'showChar'.
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* Used to compute the displayString if -show is non-NULL.
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*/
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static char *EntryDisplayString(const char *showChar, int numChars)
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{
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char *displayString, *p;
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int size;
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int ch;
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char buf[6];
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TkUtfToUniChar(showChar, &ch);
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size = TkUniCharToUtf(ch, buf);
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p = displayString = ckalloc(numChars * size + 1);
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while (numChars--) {
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memcpy(p, buf, size);
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p += size;
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}
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*p = '\0';
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return displayString;
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}
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/* EntryUpdateTextLayout --
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* Recompute textLayout, layoutWidth, and layoutHeight
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* from displayString and fontObj.
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*/
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static void EntryUpdateTextLayout(Entry *entryPtr)
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{
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Tk_FreeTextLayout(entryPtr->entry.textLayout);
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entryPtr->entry.textLayout = Tk_ComputeTextLayout(
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Tk_GetFontFromObj(entryPtr->core.tkwin, entryPtr->entry.fontObj),
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entryPtr->entry.displayString, entryPtr->entry.numChars,
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0/*wraplength*/, entryPtr->entry.justify, TK_IGNORE_NEWLINES,
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&entryPtr->entry.layoutWidth, &entryPtr->entry.layoutHeight);
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}
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/* EntryEditable --
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* Returns 1 if the entry widget accepts user changes, 0 otherwise
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*/
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static int
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EntryEditable(Entry *entryPtr)
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{
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return !(entryPtr->core.state & (TTK_STATE_DISABLED|TTK_STATE_READONLY));
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}
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/*------------------------------------------------------------------------
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* +++ Selection management.
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*/
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/* EntryFetchSelection --
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* Selection handler for entry widgets.
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*/
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static int
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EntryFetchSelection(
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ClientData clientData, int offset, char *buffer, int maxBytes)
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{
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Entry *entryPtr = (Entry *) clientData;
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int byteCount;
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const char *string;
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const char *selStart, *selEnd;
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if (entryPtr->entry.selectFirst < 0 || (!entryPtr->entry.exportSelection)
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|| Tcl_IsSafe(entryPtr->core.interp)) {
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return -1;
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}
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string = entryPtr->entry.displayString;
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selStart = TkUtfAtIndex(string, entryPtr->entry.selectFirst);
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selEnd = TkUtfAtIndex(selStart,
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entryPtr->entry.selectLast - entryPtr->entry.selectFirst);
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byteCount = selEnd - selStart - offset;
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if (byteCount > maxBytes) {
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/* @@@POSSIBLE BUG: Can transfer partial UTF-8 sequences. Is this OK? */
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byteCount = maxBytes;
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}
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if (byteCount <= 0) {
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return 0;
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}
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memcpy(buffer, selStart + offset, byteCount);
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buffer[byteCount] = '\0';
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return byteCount;
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}
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/* EntryLostSelection --
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* Tk_LostSelProc for Entry widgets; called when an entry
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* loses ownership of the selection.
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*/
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static void EntryLostSelection(ClientData clientData)
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{
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Entry *entryPtr = (Entry *) clientData;
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entryPtr->core.flags &= ~GOT_SELECTION;
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entryPtr->entry.selectFirst = entryPtr->entry.selectLast = -1;
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TtkRedisplayWidget(&entryPtr->core);
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}
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/* EntryOwnSelection --
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* Assert ownership of the PRIMARY selection,
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* if -exportselection set and selection is present and interp is unsafe.
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*/
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static void EntryOwnSelection(Entry *entryPtr)
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{
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if (entryPtr->entry.exportSelection
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&& (!Tcl_IsSafe(entryPtr->core.interp))
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&& !(entryPtr->core.flags & GOT_SELECTION)) {
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Tk_OwnSelection(entryPtr->core.tkwin, XA_PRIMARY, EntryLostSelection,
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(ClientData) entryPtr);
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entryPtr->core.flags |= GOT_SELECTION;
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}
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}
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/*------------------------------------------------------------------------
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* +++ Validation.
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*/
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/* ExpandPercents --
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* Expand an entry validation script template (-validatecommand
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* or -invalidcommand).
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*/
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static void
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ExpandPercents(
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Entry *entryPtr, /* Entry that needs validation. */
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const char *template, /* Script template */
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const char *new, /* Potential new value of entry string */
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int index, /* index of insert/delete */
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int count, /* #changed characters */
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VREASON reason, /* Reason for change */
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Tcl_DString *dsPtr) /* Result of %-substitutions */
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{
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int spaceNeeded, cvtFlags;
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int number, length;
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const char *string;
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int stringLength;
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int ch;
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char numStorage[2*TCL_INTEGER_SPACE];
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while (*template) {
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/* Find everything up to the next % character and append it
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* to the result string.
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*/
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string = Tcl_UtfFindFirst(template, '%');
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if (string == NULL) {
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/* No more %-sequences to expand.
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* Copy the rest of the template.
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*/
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Tcl_DStringAppend(dsPtr, template, -1);
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return;
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}
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if (string != template) {
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Tcl_DStringAppend(dsPtr, template, string - template);
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template = string;
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}
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/* There's a percent sequence here. Process it.
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*/
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++template; /* skip over % */
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if (*template != '\0') {
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template += TkUtfToUniChar(template, &ch);
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} else {
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ch = '%';
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}
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stringLength = -1;
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switch (ch) {
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case 'd': /* Type of call that caused validation */
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if (reason == VALIDATE_INSERT) {
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number = 1;
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} else if (reason == VALIDATE_DELETE) {
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number = 0;
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} else {
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number = -1;
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}
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sprintf(numStorage, "%d", number);
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string = numStorage;
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break;
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case 'i': /* index of insert/delete */
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sprintf(numStorage, "%d", index);
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string = numStorage;
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break;
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case 'P': /* 'Peeked' new value of the string */
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string = new;
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break;
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case 's': /* Current string value */
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string = entryPtr->entry.string;
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break;
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case 'S': /* string to be inserted/deleted, if any */
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if (reason == VALIDATE_INSERT) {
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string = TkUtfAtIndex(new, index);
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stringLength = TkUtfAtIndex(string, count) - string;
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} else if (reason == VALIDATE_DELETE) {
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string = TkUtfAtIndex(entryPtr->entry.string, index);
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stringLength = TkUtfAtIndex(string, count) - string;
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} else {
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string = "";
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stringLength = 0;
|
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}
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break;
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case 'v': /* type of validation currently set */
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string = validateStrings[entryPtr->entry.validate];
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break;
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case 'V': /* type of validation in effect */
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string = validateReasonStrings[reason];
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break;
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case 'W': /* widget name */
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string = Tk_PathName(entryPtr->core.tkwin);
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break;
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default:
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length = TkUniCharToUtf(ch, numStorage);
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numStorage[length] = '\0';
|
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string = numStorage;
|
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break;
|
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}
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|
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spaceNeeded = Tcl_ScanCountedElement(string, stringLength, &cvtFlags);
|
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length = Tcl_DStringLength(dsPtr);
|
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Tcl_DStringSetLength(dsPtr, length + spaceNeeded);
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spaceNeeded = Tcl_ConvertCountedElement(string, stringLength,
|
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Tcl_DStringValue(dsPtr) + length,
|
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cvtFlags | TCL_DONT_USE_BRACES);
|
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Tcl_DStringSetLength(dsPtr, length + spaceNeeded);
|
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}
|
|
}
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|
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/* RunValidationScript --
|
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* Build and evaluate an entry validation script.
|
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* If the script raises an error, disable validation
|
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* by setting '-validate none'
|
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*/
|
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static int RunValidationScript(
|
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Tcl_Interp *interp, /* Interpreter to use */
|
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Entry *entryPtr, /* Entry being validated */
|
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const char *template, /* Script template */
|
|
const char *optionName, /* "-validatecommand", "-invalidcommand" */
|
|
const char *new, /* Potential new value of entry string */
|
|
int index, /* index of insert/delete */
|
|
int count, /* #changed characters */
|
|
VREASON reason) /* Reason for change */
|
|
{
|
|
Tcl_DString script;
|
|
int code;
|
|
|
|
Tcl_DStringInit(&script);
|
|
ExpandPercents(entryPtr, template, new, index, count, reason, &script);
|
|
code = Tcl_EvalEx(interp,
|
|
Tcl_DStringValue(&script), Tcl_DStringLength(&script),
|
|
TCL_EVAL_GLOBAL);
|
|
Tcl_DStringFree(&script);
|
|
if (WidgetDestroyed(&entryPtr->core))
|
|
return TCL_ERROR;
|
|
|
|
if (code != TCL_OK && code != TCL_RETURN) {
|
|
Tcl_AddErrorInfo(interp, "\n\t(in ");
|
|
Tcl_AddErrorInfo(interp, optionName);
|
|
Tcl_AddErrorInfo(interp, " validation command executed by ");
|
|
Tcl_AddErrorInfo(interp, Tk_PathName(entryPtr->core.tkwin));
|
|
Tcl_AddErrorInfo(interp, ")");
|
|
entryPtr->entry.validate = VMODE_NONE;
|
|
return TCL_ERROR;
|
|
}
|
|
return TCL_OK;
|
|
}
|
|
|
|
/* EntryNeedsValidation --
|
|
* Determine whether the specified VREASON should trigger validation
|
|
* in the current VMODE.
|
|
*/
|
|
static int EntryNeedsValidation(VMODE vmode, VREASON reason)
|
|
{
|
|
return (reason == VALIDATE_FORCED)
|
|
|| (vmode == VMODE_ALL)
|
|
|| (reason == VALIDATE_FOCUSIN
|
|
&& (vmode == VMODE_FOCUSIN || vmode == VMODE_FOCUS))
|
|
|| (reason == VALIDATE_FOCUSOUT
|
|
&& (vmode == VMODE_FOCUSOUT || vmode == VMODE_FOCUS))
|
|
|| (reason == VALIDATE_INSERT && vmode == VMODE_KEY)
|
|
|| (reason == VALIDATE_DELETE && vmode == VMODE_KEY)
|
|
;
|
|
}
|
|
|
|
/* EntryValidateChange --
|
|
* Validate a proposed change to the entry widget's value if required.
|
|
* Call the -invalidcommand if validation fails.
|
|
*
|
|
* Returns:
|
|
* TCL_OK if the change is accepted
|
|
* TCL_BREAK if the change is rejected
|
|
* TCL_ERROR if any errors occurred
|
|
*
|
|
* The change will be rejected if -validatecommand returns 0,
|
|
* or if -validatecommand or -invalidcommand modifies the value.
|
|
*/
|
|
static int
|
|
EntryValidateChange(
|
|
Entry *entryPtr, /* Entry that needs validation. */
|
|
const char *newValue, /* Potential new value of entry string */
|
|
int index, /* index of insert/delete, -1 otherwise */
|
|
int count, /* #changed characters */
|
|
VREASON reason) /* Reason for change */
|
|
{
|
|
Tcl_Interp *interp = entryPtr->core.interp;
|
|
VMODE vmode = entryPtr->entry.validate;
|
|
int code, change_ok;
|
|
|
|
if ( (entryPtr->entry.validateCmd == NULL)
|
|
|| (entryPtr->core.flags & VALIDATING)
|
|
|| !EntryNeedsValidation(vmode, reason) )
|
|
{
|
|
return TCL_OK;
|
|
}
|
|
|
|
entryPtr->core.flags |= VALIDATING;
|
|
|
|
/* Run -validatecommand and check return value:
|
|
*/
|
|
code = RunValidationScript(interp, entryPtr,
|
|
entryPtr->entry.validateCmd, "-validatecommand",
|
|
newValue, index, count, reason);
|
|
if (code != TCL_OK) {
|
|
goto done;
|
|
}
|
|
|
|
code = Tcl_GetBooleanFromObj(interp,Tcl_GetObjResult(interp), &change_ok);
|
|
if (code != TCL_OK) {
|
|
entryPtr->entry.validate = VMODE_NONE; /* Disable validation */
|
|
Tcl_AddErrorInfo(interp,
|
|
"\n(validation command did not return valid boolean)");
|
|
goto done;
|
|
}
|
|
|
|
/* Run the -invalidcommand if validation failed:
|
|
*/
|
|
if (!change_ok && entryPtr->entry.invalidCmd != NULL) {
|
|
code = RunValidationScript(interp, entryPtr,
|
|
entryPtr->entry.invalidCmd, "-invalidcommand",
|
|
newValue, index, count, reason);
|
|
if (code != TCL_OK) {
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
/* Reject the pending change if validation failed
|
|
* or if a validation script changed the value.
|
|
*/
|
|
if (!change_ok || (entryPtr->core.flags & VALIDATION_SET_VALUE)) {
|
|
code = TCL_BREAK;
|
|
}
|
|
|
|
done:
|
|
entryPtr->core.flags &= ~(VALIDATING|VALIDATION_SET_VALUE);
|
|
return code;
|
|
}
|
|
|
|
/* EntryRevalidate --
|
|
* Revalidate the current value of an entry widget,
|
|
* update the TTK_STATE_INVALID bit.
|
|
*
|
|
* Returns:
|
|
* TCL_OK if valid, TCL_BREAK if invalid, TCL_ERROR on error.
|
|
*/
|
|
static int EntryRevalidate(Tcl_Interp *interp, Entry *entryPtr, VREASON reason)
|
|
{
|
|
int code = EntryValidateChange(
|
|
entryPtr, entryPtr->entry.string, -1,0, reason);
|
|
|
|
if (code == TCL_BREAK) {
|
|
TtkWidgetChangeState(&entryPtr->core, TTK_STATE_INVALID, 0);
|
|
} else if (code == TCL_OK) {
|
|
TtkWidgetChangeState(&entryPtr->core, 0, TTK_STATE_INVALID);
|
|
}
|
|
|
|
return code;
|
|
}
|
|
|
|
/* EntryRevalidateBG --
|
|
* Revalidate in the background (called from event handler).
|
|
*/
|
|
static void EntryRevalidateBG(Entry *entryPtr, VREASON reason)
|
|
{
|
|
Tcl_Interp *interp = entryPtr->core.interp;
|
|
VMODE vmode = entryPtr->entry.validate;
|
|
|
|
if (EntryNeedsValidation(vmode, reason)) {
|
|
if (EntryRevalidate(interp, entryPtr, reason) == TCL_ERROR) {
|
|
Tcl_BackgroundException(interp, TCL_ERROR);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*------------------------------------------------------------------------
|
|
* +++ Entry widget modification.
|
|
*/
|
|
|
|
/* AdjustIndex --
|
|
* Adjust index to account for insertion (nChars > 0)
|
|
* or deletion (nChars < 0) at specified index.
|
|
*/
|
|
static int AdjustIndex(int i0, int index, int nChars)
|
|
{
|
|
if (i0 >= index) {
|
|
i0 += nChars;
|
|
if (i0 < index) { /* index was inside deleted range */
|
|
i0 = index;
|
|
}
|
|
}
|
|
return i0;
|
|
}
|
|
|
|
/* AdjustIndices --
|
|
* Adjust all internal entry indexes to account for change.
|
|
* Note that insertPos, and selectFirst have "right gravity",
|
|
* while leftIndex (=xscroll.first) and selectLast have "left gravity".
|
|
*/
|
|
static void AdjustIndices(Entry *entryPtr, int index, int nChars)
|
|
{
|
|
EntryPart *e = &entryPtr->entry;
|
|
int g = nChars > 0; /* left gravity adjustment */
|
|
|
|
e->insertPos = AdjustIndex(e->insertPos, index, nChars);
|
|
e->selectFirst = AdjustIndex(e->selectFirst, index, nChars);
|
|
e->selectLast = AdjustIndex(e->selectLast, index+g, nChars);
|
|
e->xscroll.first= AdjustIndex(e->xscroll.first, index+g, nChars);
|
|
|
|
if (e->selectLast <= e->selectFirst)
|
|
e->selectFirst = e->selectLast = -1;
|
|
}
|
|
|
|
/* EntryStoreValue --
|
|
* Replace the contents of a text entry with a given value,
|
|
* recompute dependent resources, and schedule a redisplay.
|
|
*
|
|
* See also: EntrySetValue().
|
|
*/
|
|
static void
|
|
EntryStoreValue(Entry *entryPtr, const char *value)
|
|
{
|
|
size_t numBytes = strlen(value);
|
|
int numChars = Tcl_NumUtfChars(value, numBytes);
|
|
|
|
if (entryPtr->core.flags & VALIDATING)
|
|
entryPtr->core.flags |= VALIDATION_SET_VALUE;
|
|
|
|
/* Make sure all indices remain in bounds:
|
|
*/
|
|
if (numChars < entryPtr->entry.numChars)
|
|
AdjustIndices(entryPtr, numChars, numChars - entryPtr->entry.numChars);
|
|
|
|
/* Free old value:
|
|
*/
|
|
if (entryPtr->entry.displayString != entryPtr->entry.string)
|
|
ckfree(entryPtr->entry.displayString);
|
|
ckfree(entryPtr->entry.string);
|
|
|
|
/* Store new value:
|
|
*/
|
|
entryPtr->entry.string = ckalloc(numBytes + 1);
|
|
strcpy(entryPtr->entry.string, value);
|
|
entryPtr->entry.numBytes = numBytes;
|
|
entryPtr->entry.numChars = numChars;
|
|
|
|
entryPtr->entry.displayString
|
|
= entryPtr->entry.showChar
|
|
? EntryDisplayString(entryPtr->entry.showChar, numChars)
|
|
: entryPtr->entry.string
|
|
;
|
|
|
|
/* Update layout, schedule redisplay:
|
|
*/
|
|
EntryUpdateTextLayout(entryPtr);
|
|
TtkRedisplayWidget(&entryPtr->core);
|
|
}
|
|
|
|
/* EntrySetValue --
|
|
* Stores a new value in the entry widget and updates the
|
|
* linked -textvariable, if any. The write trace on the
|
|
* text variable is temporarily disabled; however, other
|
|
* write traces may change the value of the variable.
|
|
* If so, the widget is updated again with the new value.
|
|
*
|
|
* Returns:
|
|
* TCL_OK if successful, TCL_ERROR otherwise.
|
|
*/
|
|
static int EntrySetValue(Entry *entryPtr, const char *value)
|
|
{
|
|
EntryStoreValue(entryPtr, value);
|
|
|
|
if (entryPtr->entry.textVariableObj) {
|
|
const char *textVarName =
|
|
Tcl_GetString(entryPtr->entry.textVariableObj);
|
|
if (textVarName && *textVarName) {
|
|
entryPtr->core.flags |= SYNCING_VARIABLE;
|
|
value = Tcl_SetVar2(entryPtr->core.interp, textVarName,
|
|
NULL, value, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG);
|
|
entryPtr->core.flags &= ~SYNCING_VARIABLE;
|
|
if (!value || WidgetDestroyed(&entryPtr->core)) {
|
|
return TCL_ERROR;
|
|
} else if (strcmp(value, entryPtr->entry.string) != 0) {
|
|
/* Some write trace has changed the variable value.
|
|
*/
|
|
EntryStoreValue(entryPtr, value);
|
|
}
|
|
}
|
|
}
|
|
|
|
return TCL_OK;
|
|
}
|
|
|
|
/* EntryTextVariableTrace --
|
|
* Variable trace procedure for entry -textvariable
|
|
*/
|
|
static void EntryTextVariableTrace(void *recordPtr, const char *value)
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
|
|
if (WidgetDestroyed(&entryPtr->core)) {
|
|
return;
|
|
}
|
|
|
|
if (entryPtr->core.flags & SYNCING_VARIABLE) {
|
|
/* Trace was fired due to Tcl_SetVar2 call in EntrySetValue.
|
|
* Don't do anything.
|
|
*/
|
|
return;
|
|
}
|
|
|
|
EntryStoreValue(entryPtr, value ? value : "");
|
|
}
|
|
|
|
/*------------------------------------------------------------------------
|
|
* +++ Insertion and deletion.
|
|
*/
|
|
|
|
/* InsertChars --
|
|
* Add new characters to an entry widget.
|
|
*/
|
|
static int
|
|
InsertChars(
|
|
Entry *entryPtr, /* Entry that is to get the new elements. */
|
|
int index, /* Insert before this index */
|
|
const char *value) /* New characters to add */
|
|
{
|
|
char *string = entryPtr->entry.string;
|
|
size_t byteIndex = TkUtfAtIndex(string, index) - string;
|
|
size_t byteCount = strlen(value);
|
|
int charsAdded = Tcl_NumUtfChars(value, byteCount);
|
|
size_t newByteCount = entryPtr->entry.numBytes + byteCount + 1;
|
|
char *new;
|
|
int code;
|
|
|
|
if (byteCount == 0) {
|
|
return TCL_OK;
|
|
}
|
|
|
|
new = ckalloc(newByteCount);
|
|
memcpy(new, string, byteIndex);
|
|
strcpy(new + byteIndex, value);
|
|
strcpy(new + byteIndex + byteCount, string + byteIndex);
|
|
|
|
code = EntryValidateChange(
|
|
entryPtr, new, index, charsAdded, VALIDATE_INSERT);
|
|
|
|
if (code == TCL_OK) {
|
|
AdjustIndices(entryPtr, index, charsAdded);
|
|
code = EntrySetValue(entryPtr, new);
|
|
} else if (code == TCL_BREAK) {
|
|
code = TCL_OK;
|
|
}
|
|
|
|
ckfree(new);
|
|
return code;
|
|
}
|
|
|
|
/* DeleteChars --
|
|
* Remove one or more characters from an entry widget.
|
|
*/
|
|
static int
|
|
DeleteChars(
|
|
Entry *entryPtr, /* Entry widget to modify. */
|
|
int index, /* Index of first character to delete. */
|
|
int count) /* How many characters to delete. */
|
|
{
|
|
char *string = entryPtr->entry.string;
|
|
size_t byteIndex, byteCount, newByteCount;
|
|
char *new;
|
|
int code;
|
|
|
|
if (index < 0) {
|
|
index = 0;
|
|
}
|
|
if (count > entryPtr->entry.numChars - index) {
|
|
count = entryPtr->entry.numChars - index;
|
|
}
|
|
if (count <= 0) {
|
|
return TCL_OK;
|
|
}
|
|
|
|
byteIndex = TkUtfAtIndex(string, index) - string;
|
|
byteCount = TkUtfAtIndex(string+byteIndex, count) - (string+byteIndex);
|
|
|
|
newByteCount = entryPtr->entry.numBytes + 1 - byteCount;
|
|
new = ckalloc(newByteCount);
|
|
memcpy(new, string, byteIndex);
|
|
strcpy(new + byteIndex, string + byteIndex + byteCount);
|
|
|
|
code = EntryValidateChange(
|
|
entryPtr, new, index, count, VALIDATE_DELETE);
|
|
|
|
if (code == TCL_OK) {
|
|
AdjustIndices(entryPtr, index, -count);
|
|
code = EntrySetValue(entryPtr, new);
|
|
} else if (code == TCL_BREAK) {
|
|
code = TCL_OK;
|
|
}
|
|
ckfree(new);
|
|
|
|
return code;
|
|
}
|
|
|
|
/*------------------------------------------------------------------------
|
|
* +++ Event handler.
|
|
*/
|
|
|
|
/* EntryEventProc --
|
|
* Extra event handling for entry widgets:
|
|
* Triggers validation on FocusIn and FocusOut events.
|
|
*/
|
|
#define EntryEventMask (FocusChangeMask)
|
|
static void
|
|
EntryEventProc(ClientData clientData, XEvent *eventPtr)
|
|
{
|
|
Entry *entryPtr = (Entry *) clientData;
|
|
|
|
Tcl_Preserve(clientData);
|
|
switch (eventPtr->type) {
|
|
case DestroyNotify:
|
|
Tk_DeleteEventHandler(entryPtr->core.tkwin,
|
|
EntryEventMask, EntryEventProc, clientData);
|
|
break;
|
|
case FocusIn:
|
|
EntryRevalidateBG(entryPtr, VALIDATE_FOCUSIN);
|
|
break;
|
|
case FocusOut:
|
|
EntryRevalidateBG(entryPtr, VALIDATE_FOCUSOUT);
|
|
break;
|
|
}
|
|
Tcl_Release(clientData);
|
|
}
|
|
|
|
/*------------------------------------------------------------------------
|
|
* +++ Initialization and cleanup.
|
|
*/
|
|
|
|
static void
|
|
EntryInitialize(Tcl_Interp *interp, void *recordPtr)
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
|
|
Tk_CreateEventHandler(
|
|
entryPtr->core.tkwin, EntryEventMask, EntryEventProc, entryPtr);
|
|
Tk_CreateSelHandler(entryPtr->core.tkwin, XA_PRIMARY, XA_STRING,
|
|
EntryFetchSelection, (ClientData) entryPtr, XA_STRING);
|
|
TtkBlinkCursor(&entryPtr->core);
|
|
|
|
entryPtr->entry.string = ckalloc(1);
|
|
*entryPtr->entry.string = '\0';
|
|
entryPtr->entry.displayString = entryPtr->entry.string;
|
|
entryPtr->entry.textVariableTrace = 0;
|
|
entryPtr->entry.numBytes = entryPtr->entry.numChars = 0;
|
|
|
|
EntryInitStyleDefaults(&entryPtr->entry.styleDefaults);
|
|
|
|
entryPtr->entry.xscrollHandle =
|
|
TtkCreateScrollHandle(&entryPtr->core, &entryPtr->entry.xscroll);
|
|
|
|
entryPtr->entry.insertPos = 0;
|
|
entryPtr->entry.selectFirst = -1;
|
|
entryPtr->entry.selectLast = -1;
|
|
}
|
|
|
|
static void
|
|
EntryCleanup(void *recordPtr)
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
|
|
if (entryPtr->entry.textVariableTrace)
|
|
Ttk_UntraceVariable(entryPtr->entry.textVariableTrace);
|
|
|
|
TtkFreeScrollHandle(entryPtr->entry.xscrollHandle);
|
|
|
|
EntryFreeStyleDefaults(&entryPtr->entry.styleDefaults);
|
|
|
|
Tk_DeleteSelHandler(entryPtr->core.tkwin, XA_PRIMARY, XA_STRING);
|
|
|
|
Tk_FreeTextLayout(entryPtr->entry.textLayout);
|
|
if (entryPtr->entry.displayString != entryPtr->entry.string)
|
|
ckfree(entryPtr->entry.displayString);
|
|
ckfree(entryPtr->entry.string);
|
|
}
|
|
|
|
/* EntryConfigure --
|
|
* Configure hook for Entry widgets.
|
|
*/
|
|
static int EntryConfigure(Tcl_Interp *interp, void *recordPtr, int mask)
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
Tcl_Obj *textVarName = entryPtr->entry.textVariableObj;
|
|
Ttk_TraceHandle *vt = 0;
|
|
|
|
if (mask & TEXTVAR_CHANGED) {
|
|
if (textVarName && *Tcl_GetString(textVarName) != '\0') {
|
|
vt = Ttk_TraceVariable(interp,
|
|
textVarName,EntryTextVariableTrace,entryPtr);
|
|
if (!vt) return TCL_ERROR;
|
|
}
|
|
}
|
|
|
|
if (TtkCoreConfigure(interp, recordPtr, mask) != TCL_OK) {
|
|
if (vt) Ttk_UntraceVariable(vt);
|
|
return TCL_ERROR;
|
|
}
|
|
|
|
/* Update derived resources:
|
|
*/
|
|
if (mask & TEXTVAR_CHANGED) {
|
|
if (entryPtr->entry.textVariableTrace)
|
|
Ttk_UntraceVariable(entryPtr->entry.textVariableTrace);
|
|
entryPtr->entry.textVariableTrace = vt;
|
|
}
|
|
|
|
/* Claim the selection, in case we've suddenly started exporting it.
|
|
*/
|
|
if (entryPtr->entry.exportSelection && (entryPtr->entry.selectFirst != -1)
|
|
&& (!Tcl_IsSafe(entryPtr->core.interp))) {
|
|
EntryOwnSelection(entryPtr);
|
|
}
|
|
|
|
/* Handle -state compatibility option:
|
|
*/
|
|
if (mask & STATE_CHANGED) {
|
|
TtkCheckStateOption(&entryPtr->core, entryPtr->entry.stateObj);
|
|
}
|
|
|
|
/* Force scrollbar update if needed:
|
|
*/
|
|
if (mask & SCROLLCMD_CHANGED) {
|
|
TtkScrollbarUpdateRequired(entryPtr->entry.xscrollHandle);
|
|
}
|
|
|
|
/* Recompute the displayString, in case showChar changed:
|
|
*/
|
|
if (entryPtr->entry.displayString != entryPtr->entry.string)
|
|
ckfree(entryPtr->entry.displayString);
|
|
|
|
entryPtr->entry.displayString
|
|
= entryPtr->entry.showChar
|
|
? EntryDisplayString(entryPtr->entry.showChar, entryPtr->entry.numChars)
|
|
: entryPtr->entry.string
|
|
;
|
|
|
|
/* Update textLayout:
|
|
*/
|
|
EntryUpdateTextLayout(entryPtr);
|
|
return TCL_OK;
|
|
}
|
|
|
|
/* EntryPostConfigure --
|
|
* Post-configuration hook for entry widgets.
|
|
*/
|
|
static int EntryPostConfigure(Tcl_Interp *interp, void *recordPtr, int mask)
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
int status = TCL_OK;
|
|
|
|
if ((mask & TEXTVAR_CHANGED) && entryPtr->entry.textVariableTrace != NULL) {
|
|
status = Ttk_FireTrace(entryPtr->entry.textVariableTrace);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/*------------------------------------------------------------------------
|
|
* +++ Layout and display.
|
|
*/
|
|
|
|
/* EntryCharPosition --
|
|
* Return the X coordinate of the specified character index.
|
|
* Precondition: textLayout and layoutX up-to-date.
|
|
*/
|
|
static int
|
|
EntryCharPosition(Entry *entryPtr, int index)
|
|
{
|
|
int xPos;
|
|
Tk_CharBbox(entryPtr->entry.textLayout, index, &xPos, NULL, NULL, NULL);
|
|
return xPos + entryPtr->entry.layoutX;
|
|
}
|
|
|
|
/* EntryDoLayout --
|
|
* Layout hook for entry widgets.
|
|
*
|
|
* Determine position of textLayout based on xscroll.first, justify,
|
|
* and display area.
|
|
*
|
|
* Recalculates layoutX, layoutY, and rightIndex,
|
|
* and updates xscroll accordingly.
|
|
* May adjust xscroll.first to ensure the maximum #characters are onscreen.
|
|
*/
|
|
static void
|
|
EntryDoLayout(void *recordPtr)
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
WidgetCore *corePtr = &entryPtr->core;
|
|
Tk_TextLayout textLayout = entryPtr->entry.textLayout;
|
|
int leftIndex = entryPtr->entry.xscroll.first;
|
|
int rightIndex;
|
|
Ttk_Box textarea;
|
|
|
|
Ttk_PlaceLayout(corePtr->layout,corePtr->state,Ttk_WinBox(corePtr->tkwin));
|
|
textarea = Ttk_ClientRegion(corePtr->layout, "textarea");
|
|
|
|
/* Center the text vertically within the available parcel:
|
|
*/
|
|
entryPtr->entry.layoutY = textarea.y +
|
|
(textarea.height - entryPtr->entry.layoutHeight)/2;
|
|
|
|
/* Recompute where the leftmost character on the display will
|
|
* be drawn (layoutX) and adjust leftIndex if necessary.
|
|
*/
|
|
if (entryPtr->entry.layoutWidth <= textarea.width) {
|
|
/* Everything fits. Set leftIndex to zero (no need to scroll),
|
|
* and compute layoutX based on -justify.
|
|
*/
|
|
int extraSpace = textarea.width - entryPtr->entry.layoutWidth;
|
|
leftIndex = 0;
|
|
rightIndex = entryPtr->entry.numChars;
|
|
entryPtr->entry.layoutX = textarea.x;
|
|
if (entryPtr->entry.justify == TK_JUSTIFY_RIGHT) {
|
|
entryPtr->entry.layoutX += extraSpace;
|
|
} else if (entryPtr->entry.justify == TK_JUSTIFY_CENTER) {
|
|
entryPtr->entry.layoutX += extraSpace / 2;
|
|
}
|
|
} else {
|
|
/* The whole string doesn't fit in the window.
|
|
* Limit leftIndex to leave at most one character's worth
|
|
* of empty space on the right.
|
|
*/
|
|
int overflow = entryPtr->entry.layoutWidth - textarea.width;
|
|
int maxLeftIndex = 1 + Tk_PointToChar(textLayout, overflow, 0);
|
|
int leftX;
|
|
|
|
if (leftIndex > maxLeftIndex) {
|
|
leftIndex = maxLeftIndex;
|
|
}
|
|
|
|
/* Compute layoutX and rightIndex.
|
|
* rightIndex is set to one past the last fully-visible character.
|
|
*/
|
|
Tk_CharBbox(textLayout, leftIndex, &leftX, NULL, NULL, NULL);
|
|
rightIndex = Tk_PointToChar(textLayout, leftX + textarea.width, 0);
|
|
entryPtr->entry.layoutX = textarea.x - leftX;
|
|
}
|
|
|
|
TtkScrolled(entryPtr->entry.xscrollHandle,
|
|
leftIndex, rightIndex, entryPtr->entry.numChars);
|
|
}
|
|
|
|
/* EntryGetGC -- Helper routine.
|
|
* Get a GC using the specified foreground color and the entry's font.
|
|
* Result must be freed with Tk_FreeGC().
|
|
*/
|
|
static GC EntryGetGC(Entry *entryPtr, Tcl_Obj *colorObj, TkRegion clip)
|
|
{
|
|
Tk_Window tkwin = entryPtr->core.tkwin;
|
|
Tk_Font font = Tk_GetFontFromObj(tkwin, entryPtr->entry.fontObj);
|
|
XColor *colorPtr;
|
|
unsigned long mask = 0ul;
|
|
XGCValues gcValues;
|
|
GC gc;
|
|
|
|
gcValues.line_width = 1; mask |= GCLineWidth;
|
|
gcValues.font = Tk_FontId(font); mask |= GCFont;
|
|
if (colorObj != 0 && (colorPtr=Tk_GetColorFromObj(tkwin,colorObj)) != 0) {
|
|
gcValues.foreground = colorPtr->pixel;
|
|
mask |= GCForeground;
|
|
}
|
|
gc = Tk_GetGC(entryPtr->core.tkwin, mask, &gcValues);
|
|
if (clip != NULL) {
|
|
TkSetRegion(Tk_Display(entryPtr->core.tkwin), gc, clip);
|
|
}
|
|
return gc;
|
|
}
|
|
|
|
/* EntryDisplay --
|
|
* Redraws the contents of an entry window.
|
|
*/
|
|
static void EntryDisplay(void *clientData, Drawable d)
|
|
{
|
|
Entry *entryPtr = clientData;
|
|
Tk_Window tkwin = entryPtr->core.tkwin;
|
|
int leftIndex = entryPtr->entry.xscroll.first,
|
|
rightIndex = entryPtr->entry.xscroll.last + 1,
|
|
selFirst = entryPtr->entry.selectFirst,
|
|
selLast = entryPtr->entry.selectLast;
|
|
EntryStyleData es;
|
|
GC gc;
|
|
int showSelection, showCursor;
|
|
Ttk_Box textarea;
|
|
TkRegion clipRegion;
|
|
XRectangle rect;
|
|
|
|
EntryInitStyleData(entryPtr, &es);
|
|
|
|
textarea = Ttk_ClientRegion(entryPtr->core.layout, "textarea");
|
|
showCursor =
|
|
(entryPtr->core.flags & CURSOR_ON)
|
|
&& EntryEditable(entryPtr)
|
|
&& entryPtr->entry.insertPos >= leftIndex
|
|
&& entryPtr->entry.insertPos <= rightIndex
|
|
;
|
|
showSelection =
|
|
!(entryPtr->core.state & TTK_STATE_DISABLED)
|
|
&& selFirst > -1
|
|
&& selLast > leftIndex
|
|
&& selFirst <= rightIndex
|
|
;
|
|
|
|
/* Adjust selection range to keep in display bounds.
|
|
*/
|
|
if (showSelection) {
|
|
if (selFirst < leftIndex)
|
|
selFirst = leftIndex;
|
|
if (selLast > rightIndex)
|
|
selLast = rightIndex;
|
|
}
|
|
|
|
/* Draw widget background & border
|
|
*/
|
|
Ttk_DrawLayout(entryPtr->core.layout, entryPtr->core.state, d);
|
|
|
|
/* Draw selection background
|
|
*/
|
|
if (showSelection && es.selBorderObj) {
|
|
Tk_3DBorder selBorder = Tk_Get3DBorderFromObj(tkwin, es.selBorderObj);
|
|
int selStartX = EntryCharPosition(entryPtr, selFirst);
|
|
int selEndX = EntryCharPosition(entryPtr, selLast);
|
|
int borderWidth = 1;
|
|
|
|
Tcl_GetIntFromObj(NULL, es.selBorderWidthObj, &borderWidth);
|
|
|
|
if (selBorder) {
|
|
Tk_Fill3DRectangle(tkwin, d, selBorder,
|
|
selStartX - borderWidth, entryPtr->entry.layoutY - borderWidth,
|
|
selEndX - selStartX + 2*borderWidth,
|
|
entryPtr->entry.layoutHeight + 2*borderWidth,
|
|
borderWidth, TK_RELIEF_RAISED);
|
|
}
|
|
}
|
|
|
|
/* Initialize the clip region. Note that Xft does _not_ derive its
|
|
* clipping area from the GC, so we have to supply that by other means.
|
|
*/
|
|
|
|
rect.x = textarea.x;
|
|
rect.y = textarea.y;
|
|
rect.width = textarea.width;
|
|
rect.height = textarea.height;
|
|
clipRegion = TkCreateRegion();
|
|
TkUnionRectWithRegion(&rect, clipRegion, clipRegion);
|
|
#ifdef HAVE_XFT
|
|
TkUnixSetXftClipRegion(clipRegion);
|
|
#endif
|
|
|
|
/* Draw cursor:
|
|
*/
|
|
if (showCursor) {
|
|
Ttk_Box field = Ttk_ClientRegion(entryPtr->core.layout, "field");
|
|
int cursorX = EntryCharPosition(entryPtr, entryPtr->entry.insertPos),
|
|
cursorY = entryPtr->entry.layoutY,
|
|
cursorHeight = entryPtr->entry.layoutHeight,
|
|
cursorWidth = 1;
|
|
|
|
Tcl_GetIntFromObj(NULL,es.insertWidthObj,&cursorWidth);
|
|
if (cursorWidth <= 0) {
|
|
cursorWidth = 1;
|
|
}
|
|
|
|
/* @@@ should: maybe: SetCaretPos even when blinked off */
|
|
Tk_SetCaretPos(tkwin, cursorX, cursorY, cursorHeight);
|
|
|
|
cursorX -= cursorWidth/2;
|
|
if (cursorX < field.x) {
|
|
cursorX = field.x;
|
|
} else if (cursorX + cursorWidth > field.x + field.width) {
|
|
cursorX = field.x + field.width - cursorWidth;
|
|
}
|
|
|
|
gc = EntryGetGC(entryPtr, es.insertColorObj, NULL);
|
|
XFillRectangle(Tk_Display(tkwin), d, gc,
|
|
cursorX, cursorY, cursorWidth, cursorHeight);
|
|
Tk_FreeGC(Tk_Display(tkwin), gc);
|
|
}
|
|
|
|
/* Draw the text:
|
|
*/
|
|
gc = EntryGetGC(entryPtr, es.foregroundObj, clipRegion);
|
|
if (showSelection) {
|
|
|
|
/* Draw the selected and unselected portions separately.
|
|
*/
|
|
if (leftIndex < selFirst) {
|
|
Tk_DrawTextLayout(
|
|
Tk_Display(tkwin), d, gc, entryPtr->entry.textLayout,
|
|
entryPtr->entry.layoutX, entryPtr->entry.layoutY,
|
|
leftIndex, selFirst);
|
|
}
|
|
if (selLast < rightIndex) {
|
|
Tk_DrawTextLayout(
|
|
Tk_Display(tkwin), d, gc, entryPtr->entry.textLayout,
|
|
entryPtr->entry.layoutX, entryPtr->entry.layoutY,
|
|
selLast, rightIndex);
|
|
}
|
|
XSetClipMask(Tk_Display(tkwin), gc, None);
|
|
Tk_FreeGC(Tk_Display(tkwin), gc);
|
|
|
|
/* Draw the selected portion in the -selectforeground color:
|
|
*/
|
|
gc = EntryGetGC(entryPtr, es.selForegroundObj, clipRegion);
|
|
Tk_DrawTextLayout(
|
|
Tk_Display(tkwin), d, gc, entryPtr->entry.textLayout,
|
|
entryPtr->entry.layoutX, entryPtr->entry.layoutY,
|
|
selFirst, selLast);
|
|
XSetClipMask(Tk_Display(tkwin), gc, None);
|
|
Tk_FreeGC(Tk_Display(tkwin), gc);
|
|
} else {
|
|
|
|
/* Draw the entire visible text
|
|
*/
|
|
Tk_DrawTextLayout(
|
|
Tk_Display(tkwin), d, gc, entryPtr->entry.textLayout,
|
|
entryPtr->entry.layoutX, entryPtr->entry.layoutY,
|
|
leftIndex, rightIndex);
|
|
XSetClipMask(Tk_Display(tkwin), gc, None);
|
|
Tk_FreeGC(Tk_Display(tkwin), gc);
|
|
}
|
|
|
|
/* Drop the region. Note that we have to manually remove the reference to
|
|
* it from the Xft guts (if they're being used).
|
|
*/
|
|
#ifdef HAVE_XFT
|
|
TkUnixSetXftClipRegion(NULL);
|
|
#endif
|
|
TkDestroyRegion(clipRegion);
|
|
}
|
|
|
|
/*------------------------------------------------------------------------
|
|
* +++ Widget commands.
|
|
*/
|
|
|
|
/* EntryIndex --
|
|
* Parse an index into an entry and return either its value
|
|
* or an error.
|
|
*
|
|
* Results:
|
|
* A standard Tcl result. If all went well, then *indexPtr is
|
|
* filled in with the character index (into entryPtr) corresponding to
|
|
* string. The index value is guaranteed to lie between 0 and
|
|
* the number of characters in the string, inclusive. If an
|
|
* error occurs then an error message is left in the interp's result.
|
|
*/
|
|
static int
|
|
EntryIndex(
|
|
Tcl_Interp *interp, /* For error messages. */
|
|
Entry *entryPtr, /* Entry widget to query */
|
|
Tcl_Obj *indexObj, /* Symbolic index name */
|
|
int *indexPtr) /* Return value */
|
|
{
|
|
# define EntryWidth(e) (Tk_Width(entryPtr->core.tkwin)) /* Not Right */
|
|
const char *string = Tcl_GetString(indexObj);
|
|
size_t length = indexObj->length;
|
|
|
|
if (strncmp(string, "end", length) == 0) {
|
|
*indexPtr = entryPtr->entry.numChars;
|
|
} else if (strncmp(string, "insert", length) == 0) {
|
|
*indexPtr = entryPtr->entry.insertPos;
|
|
} else if (strncmp(string, "left", length) == 0) { /* for debugging */
|
|
*indexPtr = entryPtr->entry.xscroll.first;
|
|
} else if (strncmp(string, "right", length) == 0) { /* for debugging */
|
|
*indexPtr = entryPtr->entry.xscroll.last;
|
|
} else if (strncmp(string, "sel.", 4) == 0) {
|
|
if (entryPtr->entry.selectFirst < 0) {
|
|
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
|
|
"selection isn't in widget %s",
|
|
Tk_PathName(entryPtr->core.tkwin)));
|
|
Tcl_SetErrorCode(interp, "TTK", "ENTRY", "NO_SELECTION", NULL);
|
|
return TCL_ERROR;
|
|
}
|
|
if (strncmp(string, "sel.first", length) == 0) {
|
|
*indexPtr = entryPtr->entry.selectFirst;
|
|
} else if (strncmp(string, "sel.last", length) == 0) {
|
|
*indexPtr = entryPtr->entry.selectLast;
|
|
} else {
|
|
goto badIndex;
|
|
}
|
|
} else if (string[0] == '@') {
|
|
int roundUp = 0;
|
|
int maxWidth = EntryWidth(entryPtr);
|
|
int x;
|
|
|
|
if (Tcl_GetInt(interp, string + 1, &x) != TCL_OK) {
|
|
goto badIndex;
|
|
}
|
|
if (x > maxWidth) {
|
|
x = maxWidth;
|
|
roundUp = 1;
|
|
}
|
|
*indexPtr = Tk_PointToChar(entryPtr->entry.textLayout,
|
|
x - entryPtr->entry.layoutX, 0);
|
|
|
|
TtkUpdateScrollInfo(entryPtr->entry.xscrollHandle);
|
|
if (*indexPtr < entryPtr->entry.xscroll.first) {
|
|
*indexPtr = entryPtr->entry.xscroll.first;
|
|
}
|
|
|
|
/*
|
|
* Special trick: if the x-position was off-screen to the right,
|
|
* round the index up to refer to the character just after the
|
|
* last visible one on the screen. This is needed to enable the
|
|
* last character to be selected, for example.
|
|
*/
|
|
|
|
if (roundUp && (*indexPtr < entryPtr->entry.numChars)) {
|
|
*indexPtr += 1;
|
|
}
|
|
} else {
|
|
if (Tcl_GetIntFromObj(interp, indexObj, indexPtr) != TCL_OK) {
|
|
goto badIndex;
|
|
}
|
|
if (*indexPtr < 0) {
|
|
*indexPtr = 0;
|
|
} else if (*indexPtr > entryPtr->entry.numChars) {
|
|
*indexPtr = entryPtr->entry.numChars;
|
|
}
|
|
}
|
|
return TCL_OK;
|
|
|
|
badIndex:
|
|
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
|
|
"bad entry index \"%s\"", string));
|
|
Tcl_SetErrorCode(interp, "TTK", "ENTRY", "INDEX", NULL);
|
|
return TCL_ERROR;
|
|
}
|
|
|
|
/* $entry bbox $index --
|
|
* Return the bounding box of the character at the specified index.
|
|
*/
|
|
static int
|
|
EntryBBoxCommand(
|
|
void *recordPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
Ttk_Box b;
|
|
int index;
|
|
|
|
if (objc != 3) {
|
|
Tcl_WrongNumArgs(interp, 2, objv, "index");
|
|
return TCL_ERROR;
|
|
}
|
|
if (EntryIndex(interp, entryPtr, objv[2], &index) != TCL_OK) {
|
|
return TCL_ERROR;
|
|
}
|
|
if ((index == entryPtr->entry.numChars) && (index > 0)) {
|
|
index--;
|
|
}
|
|
Tk_CharBbox(entryPtr->entry.textLayout, index,
|
|
&b.x, &b.y, &b.width, &b.height);
|
|
b.x += entryPtr->entry.layoutX;
|
|
b.y += entryPtr->entry.layoutY;
|
|
Tcl_SetObjResult(interp, Ttk_NewBoxObj(b));
|
|
return TCL_OK;
|
|
}
|
|
|
|
/* $entry delete $from ?$to? --
|
|
* Delete the characters in the range [$from,$to).
|
|
* $to defaults to $from+1 if not specified.
|
|
*/
|
|
static int
|
|
EntryDeleteCommand(
|
|
void *recordPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
int first, last;
|
|
|
|
if ((objc < 3) || (objc > 4)) {
|
|
Tcl_WrongNumArgs(interp, 2, objv, "firstIndex ?lastIndex?");
|
|
return TCL_ERROR;
|
|
}
|
|
if (EntryIndex(interp, entryPtr, objv[2], &first) != TCL_OK) {
|
|
return TCL_ERROR;
|
|
}
|
|
if (objc == 3) {
|
|
last = first + 1;
|
|
} else if (EntryIndex(interp, entryPtr, objv[3], &last) != TCL_OK) {
|
|
return TCL_ERROR;
|
|
}
|
|
|
|
if (last >= first && EntryEditable(entryPtr)) {
|
|
return DeleteChars(entryPtr, first, last - first);
|
|
}
|
|
return TCL_OK;
|
|
}
|
|
|
|
/* $entry get --
|
|
* Return the current value of the entry widget.
|
|
*/
|
|
static int
|
|
EntryGetCommand(
|
|
void *recordPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
if (objc != 2) {
|
|
Tcl_WrongNumArgs(interp, 2, objv, NULL);
|
|
return TCL_ERROR;
|
|
}
|
|
Tcl_SetObjResult(interp, Tcl_NewStringObj(entryPtr->entry.string, -1));
|
|
return TCL_OK;
|
|
}
|
|
|
|
/* $entry icursor $index --
|
|
* Set the insert cursor position.
|
|
*/
|
|
static int
|
|
EntryICursorCommand(
|
|
void *recordPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
if (objc != 3) {
|
|
Tcl_WrongNumArgs(interp, 2, objv, "pos");
|
|
return TCL_ERROR;
|
|
}
|
|
if (EntryIndex(interp, entryPtr, objv[2],
|
|
&entryPtr->entry.insertPos) != TCL_OK) {
|
|
return TCL_ERROR;
|
|
}
|
|
TtkRedisplayWidget(&entryPtr->core);
|
|
return TCL_OK;
|
|
}
|
|
|
|
/* $entry index $index --
|
|
* Return numeric value (0..numChars) of the specified index.
|
|
*/
|
|
static int
|
|
EntryIndexCommand(
|
|
void *recordPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
int index;
|
|
|
|
if (objc != 3) {
|
|
Tcl_WrongNumArgs(interp, 2, objv, "string");
|
|
return TCL_ERROR;
|
|
}
|
|
if (EntryIndex(interp, entryPtr, objv[2], &index) != TCL_OK) {
|
|
return TCL_ERROR;
|
|
}
|
|
Tcl_SetObjResult(interp, Tcl_NewIntObj(index));
|
|
return TCL_OK;
|
|
}
|
|
|
|
/* $entry insert $index $text --
|
|
* Insert $text after position $index.
|
|
* Silent no-op if the entry is disabled or read-only.
|
|
*/
|
|
static int
|
|
EntryInsertCommand(
|
|
void *recordPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
int index;
|
|
|
|
if (objc != 4) {
|
|
Tcl_WrongNumArgs(interp, 2, objv, "index text");
|
|
return TCL_ERROR;
|
|
}
|
|
if (EntryIndex(interp, entryPtr, objv[2], &index) != TCL_OK) {
|
|
return TCL_ERROR;
|
|
}
|
|
if (EntryEditable(entryPtr)) {
|
|
return InsertChars(entryPtr, index, Tcl_GetString(objv[3]));
|
|
}
|
|
return TCL_OK;
|
|
}
|
|
|
|
/* $entry selection clear --
|
|
* Clear selection.
|
|
*/
|
|
static int EntrySelectionClearCommand(
|
|
void *recordPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
|
|
if (objc != 3) {
|
|
Tcl_WrongNumArgs(interp, 3, objv, NULL);
|
|
return TCL_ERROR;
|
|
}
|
|
entryPtr->entry.selectFirst = entryPtr->entry.selectLast = -1;
|
|
TtkRedisplayWidget(&entryPtr->core);
|
|
return TCL_OK;
|
|
}
|
|
|
|
/* $entry selection present --
|
|
* Returns 1 if any characters are selected, 0 otherwise.
|
|
*/
|
|
static int EntrySelectionPresentCommand(
|
|
void *recordPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
if (objc != 3) {
|
|
Tcl_WrongNumArgs(interp, 3, objv, NULL);
|
|
return TCL_ERROR;
|
|
}
|
|
Tcl_SetObjResult(interp,
|
|
Tcl_NewBooleanObj(entryPtr->entry.selectFirst >= 0));
|
|
return TCL_OK;
|
|
}
|
|
|
|
/* $entry selection range $start $end --
|
|
* Explicitly set the selection range.
|
|
*/
|
|
static int EntrySelectionRangeCommand(
|
|
void *recordPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
int start, end;
|
|
if (objc != 5) {
|
|
Tcl_WrongNumArgs(interp, 3, objv, "start end");
|
|
return TCL_ERROR;
|
|
}
|
|
if ( EntryIndex(interp, entryPtr, objv[3], &start) != TCL_OK
|
|
|| EntryIndex(interp, entryPtr, objv[4], &end) != TCL_OK) {
|
|
return TCL_ERROR;
|
|
}
|
|
if (entryPtr->core.state & TTK_STATE_DISABLED) {
|
|
return TCL_OK;
|
|
}
|
|
|
|
if (start >= end) {
|
|
entryPtr->entry.selectFirst = entryPtr->entry.selectLast = -1;
|
|
} else {
|
|
entryPtr->entry.selectFirst = start;
|
|
entryPtr->entry.selectLast = end;
|
|
EntryOwnSelection(entryPtr);
|
|
}
|
|
TtkRedisplayWidget(&entryPtr->core);
|
|
return TCL_OK;
|
|
}
|
|
|
|
static const Ttk_Ensemble EntrySelectionCommands[] = {
|
|
{ "clear", EntrySelectionClearCommand,0 },
|
|
{ "present", EntrySelectionPresentCommand,0 },
|
|
{ "range", EntrySelectionRangeCommand,0 },
|
|
{ 0,0,0 }
|
|
};
|
|
|
|
/* $entry set $value
|
|
* Sets the value of an entry widget.
|
|
*/
|
|
static int EntrySetCommand(
|
|
void *recordPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
if (objc != 3) {
|
|
Tcl_WrongNumArgs(interp, 2, objv, "value");
|
|
return TCL_ERROR;
|
|
}
|
|
EntrySetValue(entryPtr, Tcl_GetString(objv[2]));
|
|
return TCL_OK;
|
|
}
|
|
|
|
/* $entry validate --
|
|
* Trigger forced validation. Returns 1/0 if validation succeeds/fails
|
|
* or error status from -validatecommand / -invalidcommand.
|
|
*/
|
|
static int EntryValidateCommand(
|
|
void *recordPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
int code;
|
|
|
|
if (objc != 2) {
|
|
Tcl_WrongNumArgs(interp, 2, objv, NULL);
|
|
return TCL_ERROR;
|
|
}
|
|
|
|
code = EntryRevalidate(interp, entryPtr, VALIDATE_FORCED);
|
|
|
|
if (code == TCL_ERROR)
|
|
return code;
|
|
|
|
Tcl_SetObjResult(interp, Tcl_NewBooleanObj(code == TCL_OK));
|
|
return TCL_OK;
|
|
}
|
|
|
|
/* $entry xview -- horizontal scrolling interface
|
|
*/
|
|
static int EntryXViewCommand(
|
|
void *recordPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
|
|
{
|
|
Entry *entryPtr = recordPtr;
|
|
if (objc == 3) {
|
|
int newFirst;
|
|
if (EntryIndex(interp, entryPtr, objv[2], &newFirst) != TCL_OK) {
|
|
return TCL_ERROR;
|
|
}
|
|
TtkScrollTo(entryPtr->entry.xscrollHandle, newFirst, 1);
|
|
return TCL_OK;
|
|
}
|
|
return TtkScrollviewCommand(interp, objc, objv, entryPtr->entry.xscrollHandle);
|
|
}
|
|
|
|
static const Ttk_Ensemble EntryCommands[] = {
|
|
{ "bbox", EntryBBoxCommand,0 },
|
|
{ "cget", TtkWidgetCgetCommand,0 },
|
|
{ "configure", TtkWidgetConfigureCommand,0 },
|
|
{ "delete", EntryDeleteCommand,0 },
|
|
{ "get", EntryGetCommand,0 },
|
|
{ "icursor", EntryICursorCommand,0 },
|
|
{ "identify", TtkWidgetIdentifyCommand,0 },
|
|
{ "index", EntryIndexCommand,0 },
|
|
{ "insert", EntryInsertCommand,0 },
|
|
{ "instate", TtkWidgetInstateCommand,0 },
|
|
{ "selection", 0,EntrySelectionCommands },
|
|
{ "state", TtkWidgetStateCommand,0 },
|
|
{ "validate", EntryValidateCommand,0 },
|
|
{ "xview", EntryXViewCommand,0 },
|
|
{ 0,0,0 }
|
|
};
|
|
|
|
/*------------------------------------------------------------------------
|
|
* +++ Entry widget definition.
|
|
*/
|
|
|
|
static WidgetSpec EntryWidgetSpec = {
|
|
"TEntry", /* className */
|
|
sizeof(Entry), /* recordSize */
|
|
EntryOptionSpecs, /* optionSpecs */
|
|
EntryCommands, /* subcommands */
|
|
EntryInitialize, /* initializeProc */
|
|
EntryCleanup, /* cleanupProc */
|
|
EntryConfigure, /* configureProc */
|
|
EntryPostConfigure, /* postConfigureProc */
|
|
TtkWidgetGetLayout, /* getLayoutProc */
|
|
TtkWidgetSize, /* sizeProc */
|
|
EntryDoLayout, /* layoutProc */
|
|
EntryDisplay /* displayProc */
|
|
};
|
|
|
|
/*------------------------------------------------------------------------
|
|
* Named indices for the combobox "current" command
|
|
*/
|
|
static const char *const comboboxCurrentIndexNames[] = {
|
|
"end", NULL
|
|
};
|
|
enum comboboxCurrentIndices {
|
|
INDEX_END
|
|
};
|
|
|
|
/*------------------------------------------------------------------------
|
|
* +++ Combobox widget record.
|
|
*/
|
|
|
|
typedef struct {
|
|
Tcl_Obj *postCommandObj;
|
|
Tcl_Obj *valuesObj;
|
|
Tcl_Obj *heightObj;
|
|
int currentIndex;
|
|
} ComboboxPart;
|
|
|
|
typedef struct {
|
|
WidgetCore core;
|
|
EntryPart entry;
|
|
ComboboxPart combobox;
|
|
} Combobox;
|
|
|
|
static Tk_OptionSpec ComboboxOptionSpecs[] = {
|
|
{TK_OPTION_STRING, "-height", "height", "Height",
|
|
DEF_LIST_HEIGHT, Tk_Offset(Combobox, combobox.heightObj), -1,
|
|
0,0,0 },
|
|
{TK_OPTION_STRING, "-postcommand", "postCommand", "PostCommand",
|
|
"", Tk_Offset(Combobox, combobox.postCommandObj), -1,
|
|
0,0,0 },
|
|
{TK_OPTION_STRING, "-values", "values", "Values",
|
|
"", Tk_Offset(Combobox, combobox.valuesObj), -1,
|
|
0,0,0 },
|
|
WIDGET_INHERIT_OPTIONS(EntryOptionSpecs)
|
|
};
|
|
|
|
/* ComboboxInitialize --
|
|
* Initialization hook for combobox widgets.
|
|
*/
|
|
static void
|
|
ComboboxInitialize(Tcl_Interp *interp, void *recordPtr)
|
|
{
|
|
Combobox *cb = recordPtr;
|
|
|
|
cb->combobox.currentIndex = -1;
|
|
TtkTrackElementState(&cb->core);
|
|
EntryInitialize(interp, recordPtr);
|
|
}
|
|
|
|
/* ComboboxConfigure --
|
|
* Configuration hook for combobox widgets.
|
|
*/
|
|
static int
|
|
ComboboxConfigure(Tcl_Interp *interp, void *recordPtr, int mask)
|
|
{
|
|
Combobox *cbPtr = recordPtr;
|
|
int unused;
|
|
|
|
/* Make sure -values is a valid list:
|
|
*/
|
|
if (Tcl_ListObjLength(interp,cbPtr->combobox.valuesObj,&unused) != TCL_OK)
|
|
return TCL_ERROR;
|
|
|
|
return EntryConfigure(interp, recordPtr, mask);
|
|
}
|
|
|
|
/* $cb current ?newIndex? -- get or set current index.
|
|
* Setting the current index updates the combobox value,
|
|
* but the value and -values may be changed independently
|
|
* of the index. Instead of trying to keep currentIndex
|
|
* in sync at all times, [$cb current] double-checks
|
|
*/
|
|
static int ComboboxCurrentCommand(
|
|
void *recordPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
|
|
{
|
|
Combobox *cbPtr = recordPtr;
|
|
int currentIndex = cbPtr->combobox.currentIndex;
|
|
const char *currentValue = cbPtr->entry.string;
|
|
int nValues;
|
|
Tcl_Obj **values;
|
|
|
|
Tcl_ListObjGetElements(interp,cbPtr->combobox.valuesObj,&nValues,&values);
|
|
|
|
if (objc == 2) {
|
|
/* Check if currentIndex still valid:
|
|
*/
|
|
if ( currentIndex < 0
|
|
|| currentIndex >= nValues
|
|
|| strcmp(currentValue,Tcl_GetString(values[currentIndex]))
|
|
)
|
|
{
|
|
/* Not valid. Check current value against each element in -values:
|
|
*/
|
|
for (currentIndex = 0; currentIndex < nValues; ++currentIndex) {
|
|
if (!strcmp(currentValue,Tcl_GetString(values[currentIndex]))) {
|
|
break;
|
|
}
|
|
}
|
|
if (currentIndex >= nValues) {
|
|
/* Not found */
|
|
currentIndex = -1;
|
|
}
|
|
}
|
|
cbPtr->combobox.currentIndex = currentIndex;
|
|
Tcl_SetObjResult(interp, Tcl_NewIntObj(currentIndex));
|
|
return TCL_OK;
|
|
} else if (objc == 3) {
|
|
int result, index;
|
|
|
|
result = Tcl_GetIndexFromObj(NULL, objv[2], comboboxCurrentIndexNames,
|
|
"", 0, &index);
|
|
if (result == TCL_OK) {
|
|
|
|
/*
|
|
* The index is one of the named indices.
|
|
*/
|
|
|
|
switch (index) {
|
|
case INDEX_END:
|
|
/* "end" index */
|
|
currentIndex = nValues - 1;
|
|
break;
|
|
}
|
|
} else {
|
|
|
|
/*
|
|
* The index should be just an integer.
|
|
*/
|
|
|
|
if (Tcl_GetIntFromObj(NULL, objv[2], ¤tIndex) != TCL_OK) {
|
|
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
|
|
"Incorrect index %s", Tcl_GetString(objv[2])));
|
|
Tcl_SetErrorCode(interp, "TTK", "COMBOBOX", "IDX_VALUE", NULL);
|
|
return TCL_ERROR;
|
|
}
|
|
|
|
if (currentIndex < 0 || currentIndex >= nValues) {
|
|
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
|
|
"Index %s out of range", Tcl_GetString(objv[2])));
|
|
Tcl_SetErrorCode(interp, "TTK", "COMBOBOX", "IDX_RANGE", NULL);
|
|
return TCL_ERROR;
|
|
}
|
|
}
|
|
|
|
cbPtr->combobox.currentIndex = currentIndex;
|
|
|
|
return EntrySetValue(recordPtr, Tcl_GetString(values[currentIndex]));
|
|
} else {
|
|
Tcl_WrongNumArgs(interp, 2, objv, "?newIndex?");
|
|
return TCL_ERROR;
|
|
}
|
|
return TCL_OK;
|
|
}
|
|
|
|
/*------------------------------------------------------------------------
|
|
* +++ Combobox widget definition.
|
|
*/
|
|
static const Ttk_Ensemble ComboboxCommands[] = {
|
|
{ "bbox", EntryBBoxCommand,0 },
|
|
{ "cget", TtkWidgetCgetCommand,0 },
|
|
{ "configure", TtkWidgetConfigureCommand,0 },
|
|
{ "current", ComboboxCurrentCommand,0 },
|
|
{ "delete", EntryDeleteCommand,0 },
|
|
{ "get", EntryGetCommand,0 },
|
|
{ "icursor", EntryICursorCommand,0 },
|
|
{ "identify", TtkWidgetIdentifyCommand,0 },
|
|
{ "index", EntryIndexCommand,0 },
|
|
{ "insert", EntryInsertCommand,0 },
|
|
{ "instate", TtkWidgetInstateCommand,0 },
|
|
{ "selection", 0,EntrySelectionCommands },
|
|
{ "state", TtkWidgetStateCommand,0 },
|
|
{ "set", EntrySetCommand,0 },
|
|
{ "validate", EntryValidateCommand,0 },
|
|
{ "xview", EntryXViewCommand,0 },
|
|
{ 0,0,0 }
|
|
};
|
|
|
|
static WidgetSpec ComboboxWidgetSpec = {
|
|
"TCombobox", /* className */
|
|
sizeof(Combobox), /* recordSize */
|
|
ComboboxOptionSpecs, /* optionSpecs */
|
|
ComboboxCommands, /* subcommands */
|
|
ComboboxInitialize, /* initializeProc */
|
|
EntryCleanup, /* cleanupProc */
|
|
ComboboxConfigure, /* configureProc */
|
|
EntryPostConfigure, /* postConfigureProc */
|
|
TtkWidgetGetLayout, /* getLayoutProc */
|
|
TtkWidgetSize, /* sizeProc */
|
|
EntryDoLayout, /* layoutProc */
|
|
EntryDisplay /* displayProc */
|
|
};
|
|
|
|
/*------------------------------------------------------------------------
|
|
* +++ Spinbox widget.
|
|
*/
|
|
|
|
typedef struct {
|
|
Tcl_Obj *valuesObj;
|
|
|
|
Tcl_Obj *fromObj;
|
|
Tcl_Obj *toObj;
|
|
Tcl_Obj *incrementObj;
|
|
Tcl_Obj *formatObj;
|
|
|
|
Tcl_Obj *wrapObj;
|
|
Tcl_Obj *commandObj;
|
|
} SpinboxPart;
|
|
|
|
typedef struct {
|
|
WidgetCore core;
|
|
EntryPart entry;
|
|
SpinboxPart spinbox;
|
|
} Spinbox;
|
|
|
|
static Tk_OptionSpec SpinboxOptionSpecs[] = {
|
|
{TK_OPTION_STRING, "-values", "values", "Values",
|
|
"", Tk_Offset(Spinbox, spinbox.valuesObj), -1,
|
|
0,0,0 },
|
|
|
|
{TK_OPTION_DOUBLE, "-from", "from", "From",
|
|
"0", Tk_Offset(Spinbox,spinbox.fromObj), -1,
|
|
0,0,0 },
|
|
{TK_OPTION_DOUBLE, "-to", "to", "To",
|
|
"0", Tk_Offset(Spinbox,spinbox.toObj), -1,
|
|
0,0,0 },
|
|
{TK_OPTION_DOUBLE, "-increment", "increment", "Increment",
|
|
"1", Tk_Offset(Spinbox,spinbox.incrementObj), -1,
|
|
0,0,0 },
|
|
{TK_OPTION_STRING, "-format", "format", "Format",
|
|
"", Tk_Offset(Spinbox, spinbox.formatObj), -1,
|
|
0,0,0 },
|
|
|
|
{TK_OPTION_STRING, "-command", "command", "Command",
|
|
"", Tk_Offset(Spinbox, spinbox.commandObj), -1,
|
|
0,0,0 },
|
|
{TK_OPTION_BOOLEAN, "-wrap", "wrap", "Wrap",
|
|
"0", Tk_Offset(Spinbox,spinbox.wrapObj), -1,
|
|
0,0,0 },
|
|
|
|
WIDGET_INHERIT_OPTIONS(EntryOptionSpecs)
|
|
};
|
|
|
|
/* SpinboxInitialize --
|
|
* Initialization hook for spinbox widgets.
|
|
*/
|
|
static void
|
|
SpinboxInitialize(Tcl_Interp *interp, void *recordPtr)
|
|
{
|
|
Spinbox *sb = recordPtr;
|
|
TtkTrackElementState(&sb->core);
|
|
EntryInitialize(interp, recordPtr);
|
|
}
|
|
|
|
/* SpinboxConfigure --
|
|
* Configuration hook for spinbox widgets.
|
|
*/
|
|
static int
|
|
SpinboxConfigure(Tcl_Interp *interp, void *recordPtr, int mask)
|
|
{
|
|
Spinbox *sb = recordPtr;
|
|
int unused;
|
|
|
|
/* Make sure -values is a valid list:
|
|
*/
|
|
if (Tcl_ListObjLength(interp,sb->spinbox.valuesObj,&unused) != TCL_OK)
|
|
return TCL_ERROR;
|
|
|
|
return EntryConfigure(interp, recordPtr, mask);
|
|
}
|
|
|
|
static const Ttk_Ensemble SpinboxCommands[] = {
|
|
{ "bbox", EntryBBoxCommand,0 },
|
|
{ "cget", TtkWidgetCgetCommand,0 },
|
|
{ "configure", TtkWidgetConfigureCommand,0 },
|
|
{ "delete", EntryDeleteCommand,0 },
|
|
{ "get", EntryGetCommand,0 },
|
|
{ "icursor", EntryICursorCommand,0 },
|
|
{ "identify", TtkWidgetIdentifyCommand,0 },
|
|
{ "index", EntryIndexCommand,0 },
|
|
{ "insert", EntryInsertCommand,0 },
|
|
{ "instate", TtkWidgetInstateCommand,0 },
|
|
{ "selection", 0,EntrySelectionCommands },
|
|
{ "state", TtkWidgetStateCommand,0 },
|
|
{ "set", EntrySetCommand,0 },
|
|
{ "validate", EntryValidateCommand,0 },
|
|
{ "xview", EntryXViewCommand,0 },
|
|
{ 0,0,0 }
|
|
};
|
|
|
|
static WidgetSpec SpinboxWidgetSpec = {
|
|
"TSpinbox", /* className */
|
|
sizeof(Spinbox), /* recordSize */
|
|
SpinboxOptionSpecs, /* optionSpecs */
|
|
SpinboxCommands, /* subcommands */
|
|
SpinboxInitialize, /* initializeProc */
|
|
EntryCleanup, /* cleanupProc */
|
|
SpinboxConfigure, /* configureProc */
|
|
EntryPostConfigure, /* postConfigureProc */
|
|
TtkWidgetGetLayout, /* getLayoutProc */
|
|
TtkWidgetSize, /* sizeProc */
|
|
EntryDoLayout, /* layoutProc */
|
|
EntryDisplay /* displayProc */
|
|
};
|
|
|
|
/*------------------------------------------------------------------------
|
|
* +++ Textarea element.
|
|
*
|
|
* Text display area for Entry widgets.
|
|
* Just computes requested size; display is handled by the widget itself.
|
|
*/
|
|
|
|
typedef struct {
|
|
Tcl_Obj *fontObj;
|
|
Tcl_Obj *widthObj;
|
|
} TextareaElement;
|
|
|
|
static Ttk_ElementOptionSpec TextareaElementOptions[] = {
|
|
{ "-font", TK_OPTION_FONT,
|
|
Tk_Offset(TextareaElement,fontObj), DEF_ENTRY_FONT },
|
|
{ "-width", TK_OPTION_INT,
|
|
Tk_Offset(TextareaElement,widthObj), "20" },
|
|
{ NULL, 0, 0, NULL }
|
|
};
|
|
|
|
static void TextareaElementSize(
|
|
void *clientData, void *elementRecord, Tk_Window tkwin,
|
|
int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
|
|
{
|
|
TextareaElement *textarea = elementRecord;
|
|
Tk_Font font = Tk_GetFontFromObj(tkwin, textarea->fontObj);
|
|
int avgWidth = Tk_TextWidth(font, "0", 1);
|
|
Tk_FontMetrics fm;
|
|
int prefWidth = 1;
|
|
|
|
Tk_GetFontMetrics(font, &fm);
|
|
Tcl_GetIntFromObj(NULL, textarea->widthObj, &prefWidth);
|
|
if (prefWidth <= 0)
|
|
prefWidth = 1;
|
|
|
|
*heightPtr = fm.linespace;
|
|
*widthPtr = prefWidth * avgWidth;
|
|
}
|
|
|
|
static Ttk_ElementSpec TextareaElementSpec = {
|
|
TK_STYLE_VERSION_2,
|
|
sizeof(TextareaElement),
|
|
TextareaElementOptions,
|
|
TextareaElementSize,
|
|
TtkNullElementDraw
|
|
};
|
|
|
|
/*------------------------------------------------------------------------
|
|
* +++ Widget layouts.
|
|
*/
|
|
|
|
TTK_BEGIN_LAYOUT(EntryLayout)
|
|
TTK_GROUP("Entry.field", TTK_FILL_BOTH|TTK_BORDER,
|
|
TTK_GROUP("Entry.padding", TTK_FILL_BOTH,
|
|
TTK_NODE("Entry.textarea", TTK_FILL_BOTH)))
|
|
TTK_END_LAYOUT
|
|
|
|
TTK_BEGIN_LAYOUT(ComboboxLayout)
|
|
TTK_GROUP("Combobox.field", TTK_FILL_BOTH,
|
|
TTK_NODE("Combobox.downarrow", TTK_PACK_RIGHT|TTK_FILL_Y)
|
|
TTK_GROUP("Combobox.padding", TTK_FILL_BOTH,
|
|
TTK_NODE("Combobox.textarea", TTK_FILL_BOTH)))
|
|
TTK_END_LAYOUT
|
|
|
|
TTK_BEGIN_LAYOUT(SpinboxLayout)
|
|
TTK_GROUP("Spinbox.field", TTK_PACK_TOP|TTK_FILL_X,
|
|
TTK_GROUP("null", TTK_PACK_RIGHT,
|
|
TTK_NODE("Spinbox.uparrow", TTK_PACK_TOP|TTK_STICK_E)
|
|
TTK_NODE("Spinbox.downarrow", TTK_PACK_BOTTOM|TTK_STICK_E))
|
|
TTK_GROUP("Spinbox.padding", TTK_FILL_BOTH,
|
|
TTK_NODE("Spinbox.textarea", TTK_FILL_BOTH)))
|
|
TTK_END_LAYOUT
|
|
|
|
/*------------------------------------------------------------------------
|
|
* +++ Initialization.
|
|
*/
|
|
MODULE_SCOPE
|
|
void TtkEntry_Init(Tcl_Interp *interp)
|
|
{
|
|
Ttk_Theme themePtr = Ttk_GetDefaultTheme(interp);
|
|
|
|
Ttk_RegisterElement(interp, themePtr, "textarea", &TextareaElementSpec, 0);
|
|
|
|
Ttk_RegisterLayout(themePtr, "TEntry", EntryLayout);
|
|
Ttk_RegisterLayout(themePtr, "TCombobox", ComboboxLayout);
|
|
Ttk_RegisterLayout(themePtr, "TSpinbox", SpinboxLayout);
|
|
|
|
RegisterWidget(interp, "ttk::entry", &EntryWidgetSpec);
|
|
RegisterWidget(interp, "ttk::combobox", &ComboboxWidgetSpec);
|
|
RegisterWidget(interp, "ttk::spinbox", &SpinboxWidgetSpec);
|
|
}
|
|
|
|
/*EOF*/
|