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Diffstat (limited to 'tk8.6/generic/tkScale.h')
| -rw-r--r-- | tk8.6/generic/tkScale.h | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/tk8.6/generic/tkScale.h b/tk8.6/generic/tkScale.h deleted file mode 100644 index 4fd9995..0000000 --- a/tk8.6/generic/tkScale.h +++ /dev/null @@ -1,232 +0,0 @@ -/* - * tkScale.h -- - * - * Declarations of types and functions used to implement the scale - * widget. - * - * Copyright (c) 1996 by Sun Microsystems, Inc. - * Copyright (c) 1999-2000 by Scriptics Corporation. - * - * See the file "license.terms" for information on usage and redistribution of - * this file, and for a DISCLAIMER OF ALL WARRANTIES. - */ - -#ifndef _TKSCALE -#define _TKSCALE - -#ifndef _TKINT -#include "tkInt.h" -#endif - -/* - * Legal values for the "orient" field of TkScale records. - */ - -enum orient { - ORIENT_HORIZONTAL, ORIENT_VERTICAL -}; - -/* - * Legal values for the "state" field of TkScale records. - */ - -enum state { - STATE_ACTIVE, STATE_DISABLED, STATE_NORMAL -}; - -/* - * A data structure of the following type is kept for each scale widget - * managed by this file: - */ - -typedef struct TkScale { - Tk_Window tkwin; /* Window that embodies the scale. NULL means - * that the window has been destroyed but the - * data structures haven't yet been cleaned - * up.*/ - Display *display; /* Display containing widget. Used, among - * other things, so that resources can be - * freed even after tkwin has gone away. */ - Tcl_Interp *interp; /* Interpreter associated with scale. */ - Tcl_Command widgetCmd; /* Token for scale's widget command. */ - Tk_OptionTable optionTable; /* Table that defines configuration options - * available for this widget. */ - enum orient orient; /* Orientation for window (vertical or - * horizontal). */ - int width; /* Desired narrow dimension of scale, in - * pixels. */ - int length; /* Desired long dimension of scale, in - * pixels. */ - double value; /* Current value of scale. */ - Tcl_Obj *varNamePtr; /* Name of variable or NULL. If non-NULL, - * scale's value tracks the contents of this - * variable and vice versa. */ - double fromValue; /* Value corresponding to left or top of - * scale. */ - double toValue; /* Value corresponding to right or bottom of - * scale. */ - double tickInterval; /* Distance between tick marks; 0 means don't - * display any tick marks. */ - double resolution; /* If > 0, all values are rounded to an even - * multiple of this value. */ - int digits; /* Number of significant digits to print in - * values. 0 means we get to choose the number - * based on resolution and/or the range of the - * scale. */ - char format[10]; /* Sprintf conversion specifier computed from - * digits and other information. */ - double bigIncrement; /* Amount to use for large increments to scale - * value. (0 means we pick a value). */ - char *command; /* Command prefix to use when invoking Tcl - * commands because the scale value changed. - * NULL means don't invoke commands. */ - int repeatDelay; /* How long to wait before auto-repeating on - * scrolling actions (in ms). */ - int repeatInterval; /* Interval between autorepeats (in ms). */ - char *label; /* Label to display above or to right of - * scale; NULL means don't display a label. */ - int labelLength; /* Number of non-NULL chars. in label. */ - enum state state; /* Values are active, normal, or disabled. - * Value of scale cannot be changed when - * disabled. */ - - /* - * Information used when displaying widget: - */ - - int borderWidth; /* Width of 3-D border around window. */ - Tk_3DBorder bgBorder; /* Used for drawing slider and other - * background areas. */ - Tk_3DBorder activeBorder; /* For drawing the slider when active. */ - int sliderRelief; /* Is slider to be drawn raised, sunken, - * etc. */ - XColor *troughColorPtr; /* Color for drawing trough. */ - GC troughGC; /* For drawing trough. */ - GC copyGC; /* Used for copying from pixmap onto screen */ - Tk_Font tkfont; /* Information about text font, or NULL. */ - XColor *textColorPtr; /* Color for drawing text. */ - GC textGC; /* GC for drawing text in normal mode. */ - int relief; /* Indicates whether window as a whole is - * raised, sunken, or flat. */ - int highlightWidth; /* Width in pixels of highlight to draw around - * widget when it has the focus. <= 0 means - * don't draw a highlight. */ - Tk_3DBorder highlightBorder;/* Value of -highlightbackground option: - * specifies background with which to draw 3-D - * default ring and focus highlight area when - * highlight is off. */ - XColor *highlightColorPtr; /* Color for drawing traversal highlight. */ - int inset; /* Total width of all borders, including - * traversal highlight and 3-D border. - * Indicates how much interior stuff must be - * offset from outside edges to leave room for - * borders. */ - int sliderLength; /* Length of slider, measured in pixels along - * long dimension of scale. */ - int showValue; /* Non-zero means to display the scale value - * below or to the left of the slider; zero - * means don't display the value. */ - - /* - * Layout information for horizontal scales, assuming that window gets the - * size it requested: - */ - - int horizLabelY; /* Y-coord at which to draw label. */ - int horizValueY; /* Y-coord at which to draw value text. */ - int horizTroughY; /* Y-coord of top of slider trough. */ - int horizTickY; /* Y-coord at which to draw tick text. */ - /* - * Layout information for vertical scales, assuming that window gets the - * size it requested: - */ - - int vertTickRightX; /* X-location of right side of tick-marks. */ - int vertValueRightX; /* X-location of right side of value string. */ - int vertTroughX; /* X-location of scale's slider trough. */ - int vertLabelX; /* X-location of origin of label. */ - - /* - * Miscellaneous information: - */ - - int fontHeight; /* Height of scale font. */ - Tk_Cursor cursor; /* Current cursor for window, or None. */ - Tcl_Obj *takeFocusPtr; /* Value of -takefocus option; not used in the - * C code, but used by keyboard traversal - * scripts. May be NULL. */ - int flags; /* Various flags; see below for - * definitions. */ -} TkScale; - -/* - * Flag bits for scales: - * - * REDRAW_SLIDER - 1 means slider (and numerical readout) need to - * be redrawn. - * REDRAW_OTHER - 1 means other stuff besides slider and value - * need to be redrawn. - * REDRAW_ALL - 1 means the entire widget needs to be redrawn. - * REDRAW_PENDING - 1 means any sort of redraw is pending - * ACTIVE - 1 means the widget is active (the mouse is in - * its window). - * INVOKE_COMMAND - 1 means the scale's command needs to be - * invoked during the next redisplay (the value - * of the scale has changed since the last time - * the command was invoked). - * SETTING_VAR - 1 means that the associated variable is being - * set by us, so there's no need for ScaleVarProc - * to do anything. - * NEVER_SET - 1 means that the scale's value has never been - * set before (so must invoke -command and set - * associated variable even if the value doesn't - * appear to have changed). - * GOT_FOCUS - 1 means that the focus is currently in this - * widget. - * SCALE_DELETED - 1 means the scale widget is being deleted - */ - -#define REDRAW_SLIDER (1<<0) -#define REDRAW_OTHER (1<<1) -#define REDRAW_ALL (REDRAW_OTHER|REDRAW_SLIDER) -#define REDRAW_PENDING (1<<2) -#define ACTIVE (1<<3) -#define INVOKE_COMMAND (1<<4) -#define SETTING_VAR (1<<5) -#define NEVER_SET (1<<6) -#define GOT_FOCUS (1<<7) -#define SCALE_DELETED (1<<8) - -/* - * Symbolic values for the active parts of a slider. These are the values that - * may be returned by the ScaleElement procedure. - */ - -#define OTHER 0 -#define TROUGH1 1 -#define SLIDER 2 -#define TROUGH2 3 - -/* - * Space to leave between scale area and text, and between text and edge of - * window. - */ - -#define SPACING 2 - -/* - * Declaration of procedures used in the implementation of the scale widget. - */ - -MODULE_SCOPE void TkEventuallyRedrawScale(TkScale *scalePtr, int what); -MODULE_SCOPE double TkRoundToResolution(TkScale *scalePtr, double value); -MODULE_SCOPE TkScale * TkpCreateScale(Tk_Window tkwin); -MODULE_SCOPE void TkpDestroyScale(TkScale *scalePtr); -MODULE_SCOPE void TkpDisplayScale(ClientData clientData); -MODULE_SCOPE int TkpScaleElement(TkScale *scalePtr, int x, int y); -MODULE_SCOPE void TkScaleSetValue(TkScale *scalePtr, double value, - int setVar, int invokeCommand); -MODULE_SCOPE double TkScalePixelToValue(TkScale *scalePtr, int x, int y); -MODULE_SCOPE int TkScaleValueToPixel(TkScale *scalePtr, double value); - -#endif /* _TKSCALE */ |