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/* $Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/tk_base/tkframe.c,v 1.1.1.1 2001/06/13 05:01:10 dtashley Exp $ */ |
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/* |
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* tkFrame.c -- |
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* |
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* This module implements "frame" and "toplevel" widgets for |
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* the Tk toolkit. Frames are windows with a background color |
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* and possibly a 3-D effect, but not much else in the way of |
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* attributes. |
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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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* |
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* See the file "license.terms" for information on usage and redistribution |
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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* |
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* RCS: @(#) $Id: tkframe.c,v 1.1.1.1 2001/06/13 05:01:10 dtashley Exp $ |
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*/ |
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#include "default.h" |
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#include "tkPort.h" |
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#include "tkInt.h" |
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/* |
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* A data structure of the following type is kept for each |
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* frame that currently exists for this process: |
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*/ |
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typedef struct { |
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Tk_Window tkwin; /* Window that embodies the frame. NULL |
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* means that the window has been destroyed |
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* but the data structures haven't yet been |
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* cleaned up. */ |
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Display *display; /* Display containing widget. Used, among |
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* other things, so that resources can be |
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* freed even after tkwin has gone away. */ |
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Tcl_Interp *interp; /* Interpreter associated with widget. Used |
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* to delete widget command. */ |
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Tcl_Command widgetCmd; /* Token for frame's widget command. */ |
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char *className; /* Class name for widget (from configuration |
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* option). Malloc-ed. */ |
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int mask; /* Either FRAME or TOPLEVEL; used to select |
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* which configuration options are valid for |
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* widget. */ |
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char *screenName; /* Screen on which widget is created. Non-null |
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* only for top-levels. Malloc-ed, may be |
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* NULL. */ |
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char *visualName; /* Textual description of visual for window, |
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* from -visual option. Malloc-ed, may be |
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* NULL. */ |
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char *colormapName; /* Textual description of colormap for window, |
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* from -colormap option. Malloc-ed, may be |
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* NULL. */ |
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char *menuName; /* Textual description of menu to use for |
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* menubar. Malloc-ed, may be NULL. */ |
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Colormap colormap; /* If not None, identifies a colormap |
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* allocated for this window, which must be |
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* freed when the window is deleted. */ |
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Tk_3DBorder border; /* Structure used to draw 3-D border and |
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* background. NULL means no background |
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* or border. */ |
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int borderWidth; /* Width of 3-D border (if any). */ |
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int relief; /* 3-d effect: TK_RELIEF_RAISED etc. */ |
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int highlightWidth; /* Width in pixels of highlight to draw |
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* around widget when it has the focus. |
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* 0 means don't draw a highlight. */ |
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XColor *highlightBgColorPtr; |
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/* Color for drawing traversal highlight |
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* area when highlight is off. */ |
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XColor *highlightColorPtr; /* Color for drawing traversal highlight. */ |
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int width; /* Width to request for window. <= 0 means |
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* don't request any size. */ |
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int height; /* Height to request for window. <= 0 means |
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* don't request any size. */ |
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Tk_Cursor cursor; /* Current cursor for window, or None. */ |
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char *takeFocus; /* Value of -takefocus option; not used in |
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* the C code, but used by keyboard traversal |
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* scripts. Malloc'ed, but may be NULL. */ |
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int isContainer; /* 1 means this window is a container, 0 means |
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* that it isn't. */ |
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char *useThis; /* If the window is embedded, this points to |
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* the name of the window in which it is |
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* embedded (malloc'ed). For non-embedded |
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* windows this is NULL. */ |
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int flags; /* Various flags; see below for |
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* definitions. */ |
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} Frame; |
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/* |
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* Flag bits for frames: |
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* |
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* REDRAW_PENDING: Non-zero means a DoWhenIdle handler |
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* has already been queued to redraw |
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* this window. |
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* GOT_FOCUS: Non-zero means this widget currently |
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* has the input focus. |
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*/ |
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#define REDRAW_PENDING 1 |
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#define GOT_FOCUS 4 |
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/* |
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* The following flag bits are used so that there can be separate |
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* defaults for some configuration options for frames and toplevels. |
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*/ |
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#define FRAME TK_CONFIG_USER_BIT |
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#define TOPLEVEL (TK_CONFIG_USER_BIT << 1) |
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#define BOTH (FRAME | TOPLEVEL) |
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static Tk_ConfigSpec configSpecs[] = { |
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{TK_CONFIG_BORDER, "-background", "background", "Background", |
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DEF_FRAME_BG_COLOR, Tk_Offset(Frame, border), |
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BOTH|TK_CONFIG_COLOR_ONLY|TK_CONFIG_NULL_OK}, |
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{TK_CONFIG_BORDER, "-background", "background", "Background", |
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DEF_FRAME_BG_MONO, Tk_Offset(Frame, border), |
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BOTH|TK_CONFIG_MONO_ONLY|TK_CONFIG_NULL_OK}, |
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{TK_CONFIG_SYNONYM, "-bd", "borderWidth", (char *) NULL, |
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(char *) NULL, 0, BOTH}, |
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{TK_CONFIG_SYNONYM, "-bg", "background", (char *) NULL, |
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(char *) NULL, 0, BOTH}, |
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{TK_CONFIG_PIXELS, "-borderwidth", "borderWidth", "BorderWidth", |
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DEF_FRAME_BORDER_WIDTH, Tk_Offset(Frame, borderWidth), BOTH}, |
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{TK_CONFIG_STRING, "-class", "class", "Class", |
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DEF_FRAME_CLASS, Tk_Offset(Frame, className), FRAME}, |
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{TK_CONFIG_STRING, "-class", "class", "Class", |
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DEF_TOPLEVEL_CLASS, Tk_Offset(Frame, className), TOPLEVEL}, |
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{TK_CONFIG_STRING, "-colormap", "colormap", "Colormap", |
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DEF_FRAME_COLORMAP, Tk_Offset(Frame, colormapName), |
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BOTH|TK_CONFIG_NULL_OK}, |
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{TK_CONFIG_BOOLEAN, "-container", "container", "Container", |
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DEF_FRAME_CONTAINER, Tk_Offset(Frame, isContainer), BOTH}, |
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{TK_CONFIG_ACTIVE_CURSOR, "-cursor", "cursor", "Cursor", |
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DEF_FRAME_CURSOR, Tk_Offset(Frame, cursor), BOTH|TK_CONFIG_NULL_OK}, |
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{TK_CONFIG_PIXELS, "-height", "height", "Height", |
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DEF_FRAME_HEIGHT, Tk_Offset(Frame, height), BOTH}, |
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{TK_CONFIG_COLOR, "-highlightbackground", "highlightBackground", |
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"HighlightBackground", DEF_FRAME_HIGHLIGHT_BG, |
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Tk_Offset(Frame, highlightBgColorPtr), BOTH}, |
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{TK_CONFIG_COLOR, "-highlightcolor", "highlightColor", "HighlightColor", |
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DEF_FRAME_HIGHLIGHT, Tk_Offset(Frame, highlightColorPtr), BOTH}, |
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{TK_CONFIG_PIXELS, "-highlightthickness", "highlightThickness", |
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"HighlightThickness", |
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DEF_FRAME_HIGHLIGHT_WIDTH, Tk_Offset(Frame, highlightWidth), BOTH}, |
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{TK_CONFIG_STRING, "-menu", "menu", "Menu", |
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DEF_TOPLEVEL_MENU, Tk_Offset(Frame, menuName), |
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TOPLEVEL|TK_CONFIG_NULL_OK}, |
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{TK_CONFIG_RELIEF, "-relief", "relief", "Relief", |
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DEF_FRAME_RELIEF, Tk_Offset(Frame, relief), BOTH}, |
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{TK_CONFIG_STRING, "-screen", "screen", "Screen", |
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DEF_TOPLEVEL_SCREEN, Tk_Offset(Frame, screenName), |
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TOPLEVEL|TK_CONFIG_NULL_OK}, |
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{TK_CONFIG_STRING, "-takefocus", "takeFocus", "TakeFocus", |
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DEF_FRAME_TAKE_FOCUS, Tk_Offset(Frame, takeFocus), |
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BOTH|TK_CONFIG_NULL_OK}, |
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{TK_CONFIG_STRING, "-use", "use", "Use", |
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DEF_FRAME_USE, Tk_Offset(Frame, useThis), TOPLEVEL|TK_CONFIG_NULL_OK}, |
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{TK_CONFIG_STRING, "-visual", "visual", "Visual", |
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DEF_FRAME_VISUAL, Tk_Offset(Frame, visualName), |
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BOTH|TK_CONFIG_NULL_OK}, |
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{TK_CONFIG_PIXELS, "-width", "width", "Width", |
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DEF_FRAME_WIDTH, Tk_Offset(Frame, width), BOTH}, |
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{TK_CONFIG_END, (char *) NULL, (char *) NULL, (char *) NULL, |
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(char *) NULL, 0, 0} |
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}; |
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/* |
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* Forward declarations for procedures defined later in this file: |
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*/ |
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static int ConfigureFrame _ANSI_ARGS_((Tcl_Interp *interp, |
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Frame *framePtr, int objc, Tcl_Obj *CONST objv[], |
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int flags)); |
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static int CreateFrame _ANSI_ARGS_((ClientData clientData, |
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Tcl_Interp *interp, int objc, Tcl_Obj *CONST argv[], |
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int toplevel, char *appName)); |
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static void DestroyFrame _ANSI_ARGS_((char *memPtr)); |
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static void DisplayFrame _ANSI_ARGS_((ClientData clientData)); |
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static void FrameCmdDeletedProc _ANSI_ARGS_(( |
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ClientData clientData)); |
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static void FrameEventProc _ANSI_ARGS_((ClientData clientData, |
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XEvent *eventPtr)); |
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static int FrameWidgetObjCmd _ANSI_ARGS_((ClientData clientData, |
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Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); |
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static void MapFrame _ANSI_ARGS_((ClientData clientData)); |
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/* |
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*-------------------------------------------------------------- |
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* |
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* Tk_FrameObjCmd, Tk_ToplevelObjCmd -- |
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* |
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* These procedures are invoked to process the "frame" and |
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* "toplevel" Tcl commands. See the user documentation for |
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* details on what they do. |
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* |
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* Results: |
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* A standard Tcl result. |
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* |
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* Side effects: |
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* See the user documentation. These procedures are just wrappers; |
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* they call ButtonCreate to do all of the real work. |
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* |
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*-------------------------------------------------------------- |
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*/ |
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int |
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Tk_FrameObjCmd(clientData, interp, objc, objv) |
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ClientData clientData; /* Main window associated with |
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* interpreter. */ |
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Tcl_Interp *interp; /* Current interpreter. */ |
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int objc; /* Number of arguments. */ |
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Tcl_Obj *CONST objv[]; /* Argument objects. */ |
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{ |
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return CreateFrame(clientData, interp, objc, objv, 0, (char *) NULL); |
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} |
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int |
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Tk_ToplevelObjCmd(clientData, interp, objc, objv) |
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ClientData clientData; /* Main window associated with |
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* interpreter. */ |
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Tcl_Interp *interp; /* Current interpreter. */ |
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int objc; /* Number of arguments. */ |
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Tcl_Obj *CONST objv[]; /* Argument objects. */ |
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{ |
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return CreateFrame(clientData, interp, objc, objv, 1, (char *) NULL); |
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} |
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/* |
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*-------------------------------------------------------------- |
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* |
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* TkCreateFrame -- |
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* |
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* This procedure is invoked to process the "frame" and "toplevel" |
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* Tcl commands; it is also invoked directly by Tk_Init to create |
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* a new main window. See the user documentation for the "frame" |
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* and "toplevel" commands for details on what it does. |
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* |
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* Results: |
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* A standard Tcl result. |
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* |
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* Side effects: |
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* See the user documentation. |
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* |
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*-------------------------------------------------------------- |
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*/ |
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int |
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TkCreateFrame(clientData, interp, argc, argv, toplevel, appName) |
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ClientData clientData; /* Main window associated with interpreter. |
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* If we're called by Tk_Init to create a |
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* new application, then this is NULL. */ |
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Tcl_Interp *interp; /* Current interpreter. */ |
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int argc; /* Number of arguments. */ |
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char **argv; /* Argument strings. */ |
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int toplevel; /* Non-zero means create a toplevel window, |
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* zero means create a frame. */ |
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char *appName; /* Should only be non-NULL if clientData is |
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* NULL: gives the base name to use for the |
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* new application. */ |
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{ |
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int result, i; |
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Tcl_Obj **objv = (Tcl_Obj **) ckalloc((argc+1) * sizeof(Tcl_Obj **)); |
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for (i=0; i<argc; i++) { |
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objv[i] = Tcl_NewStringObj(argv[i], -1); |
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Tcl_IncrRefCount(objv[i]); |
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} |
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objv[argc] = NULL; |
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result = CreateFrame(clientData, interp, argc, objv, toplevel, appName); |
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for (i=0; i<argc; i++) { |
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Tcl_DecrRefCount(objv[i]); |
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} |
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ckfree((char *) objv); |
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return result; |
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} |
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static int |
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CreateFrame(clientData, interp, objc, objv, toplevel, appName) |
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ClientData clientData; /* Main window associated with interpreter. |
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* If we're called by Tk_Init to create a |
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* new application, then this is NULL. */ |
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Tcl_Interp *interp; /* Current interpreter. */ |
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int objc; /* Number of arguments. */ |
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Tcl_Obj *CONST objv[]; /* Argument objects. */ |
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int toplevel; /* Non-zero means create a toplevel window, |
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* zero means create a frame. */ |
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char *appName; /* Should only be non-NULL if clientData is |
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* NULL: gives the base name to use for the |
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* new application. */ |
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{ |
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Tk_Window tkwin = (Tk_Window) clientData; |
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Frame *framePtr; |
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Tk_Window new; |
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char *className, *screenName, *visualName, *colormapName, *arg, *useOption; |
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int i, c, depth; |
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size_t length; |
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unsigned int mask; |
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Colormap colormap; |
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Visual *visual; |
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if (objc < 2) { |
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Tcl_WrongNumArgs(interp, 1, objv, "pathName ?options?"); |
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return TCL_ERROR; |
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} |
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/* |
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* Pre-process the argument list. Scan through it to find any |
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* "-class", "-screen", "-visual", and "-colormap" options. These |
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* arguments need to be processed specially, before the window |
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* is configured using the usual Tk mechanisms. |
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*/ |
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className = colormapName = screenName = visualName = useOption = NULL; |
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colormap = None; |
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for (i = 2; i < objc; i += 2) { |
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arg = Tcl_GetStringFromObj(objv[i], (int *) &length); |
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if (length < 2) { |
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continue; |
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} |
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c = arg[1]; |
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if ((c == 'c') && (strncmp(arg, "-class", length) == 0) |
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&& (length >= 3)) { |
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className = Tcl_GetString(objv[i+1]); |
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} else if ((c == 'c') |
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&& (strncmp(arg, "-colormap", length) == 0)) { |
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colormapName = Tcl_GetString(objv[i+1]); |
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} else if ((c == 's') && toplevel |
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&& (strncmp(arg, "-screen", length) == 0)) { |
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screenName = Tcl_GetString(objv[i+1]); |
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} else if ((c == 'u') && toplevel |
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&& (strncmp(arg, "-use", length) == 0)) { |
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useOption = Tcl_GetString(objv[i+1]); |
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} else if ((c == 'v') |
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&& (strncmp(arg, "-visual", length) == 0)) { |
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visualName = Tcl_GetString(objv[i+1]); |
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} |
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} |
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/* |
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* Create the window, and deal with the special options -use, |
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* -classname, -colormap, -screenname, and -visual. These options |
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* must be handle before calling ConfigureFrame below, and they must |
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* also be processed in a particular order, for the following |
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* reasons: |
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* 1. Must set the window's class before calling ConfigureFrame, |
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* so that unspecified options are looked up in the option |
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* database using the correct class. |
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* 2. Must set visual information before calling ConfigureFrame |
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* so that colors are allocated in a proper colormap. |
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* 3. Must call TkpUseWindow before setting non-default visual |
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* information, since TkpUseWindow changes the defaults. |
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*/ |
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if (screenName == NULL) { |
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screenName = (toplevel) ? "" : NULL; |
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} |
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if (tkwin != NULL) { |
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new = Tk_CreateWindowFromPath(interp, tkwin, Tcl_GetString(objv[1]), |
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screenName); |
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} else { |
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/* |
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* We were called from Tk_Init; create a new application. |
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*/ |
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|
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if (appName == NULL) { |
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panic("TkCreateFrame didn't get application name"); |
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} |
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new = TkCreateMainWindow(interp, screenName, appName); |
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} |
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if (new == NULL) { |
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goto error; |
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} |
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if (className == NULL) { |
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className = Tk_GetOption(new, "class", "Class"); |
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if (className == NULL) { |
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className = (toplevel) ? "Toplevel" : "Frame"; |
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} |
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} |
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Tk_SetClass(new, className); |
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if (useOption == NULL) { |
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useOption = Tk_GetOption(new, "use", "Use"); |
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} |
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if (useOption != NULL) { |
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if (TkpUseWindow(interp, new, useOption) != TCL_OK) { |
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goto error; |
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} |
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} |
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if (visualName == NULL) { |
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visualName = Tk_GetOption(new, "visual", "Visual"); |
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} |
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if (colormapName == NULL) { |
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colormapName = Tk_GetOption(new, "colormap", "Colormap"); |
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} |
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if (visualName != NULL) { |
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visual = Tk_GetVisual(interp, new, visualName, &depth, |
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(colormapName == NULL) ? &colormap : (Colormap *) NULL); |
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if (visual == NULL) { |
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goto error; |
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} |
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Tk_SetWindowVisual(new, visual, depth, colormap); |
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} |
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if (colormapName != NULL) { |
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colormap = Tk_GetColormap(interp, new, colormapName); |
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if (colormap == None) { |
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goto error; |
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} |
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Tk_SetWindowColormap(new, colormap); |
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} |
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|
|
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/* |
|
|
* For top-level windows, provide an initial geometry request of |
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|
* 200x200, just so the window looks nicer on the screen if it |
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|
* doesn't request a size for itself. |
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*/ |
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if (toplevel) { |
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Tk_GeometryRequest(new, 200, 200); |
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|
} |
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|
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/* |
|
|
* Create the widget record, process configuration options, and |
|
|
* create event handlers. Then fill in a few additional fields |
|
|
* in the widget record from the special options. |
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|
*/ |
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|
|
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framePtr = (Frame *) ckalloc(sizeof(Frame)); |
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framePtr->tkwin = new; |
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|
framePtr->display = Tk_Display(new); |
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framePtr->interp = interp; |
|
|
framePtr->widgetCmd = Tcl_CreateObjCommand(interp, |
|
|
Tk_PathName(new), FrameWidgetObjCmd, |
|
|
(ClientData) framePtr, FrameCmdDeletedProc); |
|
|
framePtr->className = NULL; |
|
|
framePtr->mask = (toplevel) ? TOPLEVEL : FRAME; |
|
|
framePtr->screenName = NULL; |
|
|
framePtr->visualName = NULL; |
|
|
framePtr->colormapName = NULL; |
|
|
framePtr->colormap = colormap; |
|
|
framePtr->border = NULL; |
|
|
framePtr->borderWidth = 0; |
|
|
framePtr->relief = TK_RELIEF_FLAT; |
|
|
framePtr->highlightWidth = 0; |
|
|
framePtr->highlightBgColorPtr = NULL; |
|
|
framePtr->highlightColorPtr = NULL; |
|
|
framePtr->width = 0; |
|
|
framePtr->height = 0; |
|
|
framePtr->cursor = None; |
|
|
framePtr->takeFocus = NULL; |
|
|
framePtr->isContainer = 0; |
|
|
framePtr->useThis = NULL; |
|
|
framePtr->flags = 0; |
|
|
framePtr->menuName = NULL; |
|
|
|
|
|
/* |
|
|
* Store backreference to frame widget in window structure. |
|
|
*/ |
|
|
TkSetClassProcs(new, NULL, (ClientData) framePtr); |
|
|
|
|
|
mask = ExposureMask | StructureNotifyMask | FocusChangeMask; |
|
|
if (toplevel) { |
|
|
mask |= ActivateMask; |
|
|
} |
|
|
Tk_CreateEventHandler(new, mask, FrameEventProc, (ClientData) framePtr); |
|
|
if (ConfigureFrame(interp, framePtr, objc-2, objv+2, 0) != TCL_OK) { |
|
|
goto error; |
|
|
} |
|
|
if ((framePtr->isContainer)) { |
|
|
if (framePtr->useThis == NULL) { |
|
|
TkpMakeContainer(framePtr->tkwin); |
|
|
} else { |
|
|
Tcl_AppendResult(interp,"A window cannot have both the -use ", |
|
|
"and the -container option set."); |
|
|
return TCL_ERROR; |
|
|
} |
|
|
} |
|
|
if (toplevel) { |
|
|
Tcl_DoWhenIdle(MapFrame, (ClientData) framePtr); |
|
|
} |
|
|
Tcl_SetResult(interp, Tk_PathName(new), TCL_STATIC); |
|
|
return TCL_OK; |
|
|
|
|
|
error: |
|
|
if (new != NULL) { |
|
|
Tk_DestroyWindow(new); |
|
|
} |
|
|
return TCL_ERROR; |
|
|
} |
|
|
|
|
|
/* |
|
|
*-------------------------------------------------------------- |
|
|
* |
|
|
* FrameWidgetObjCmd -- |
|
|
* |
|
|
* This procedure is invoked to process the Tcl command |
|
|
* that corresponds to a frame widget. See the user |
|
|
* documentation for details on what it does. |
|
|
* |
|
|
* Results: |
|
|
* A standard Tcl result. |
|
|
* |
|
|
* Side effects: |
|
|
* See the user documentation. |
|
|
* |
|
|
*-------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
static int |
|
|
FrameWidgetObjCmd(clientData, interp, objc, objv) |
|
|
ClientData clientData; /* Information about frame widget. */ |
|
|
Tcl_Interp *interp; /* Current interpreter. */ |
|
|
int objc; /* Number of arguments. */ |
|
|
Tcl_Obj *CONST objv[]; /* Argument objects. */ |
|
|
{ |
|
|
static char *frameOptions[] = { |
|
|
"cget", "configure", (char *) NULL |
|
|
}; |
|
|
enum options { |
|
|
FRAME_CGET, FRAME_CONFIGURE |
|
|
}; |
|
|
register Frame *framePtr = (Frame *) clientData; |
|
|
int result = TCL_OK, index; |
|
|
size_t length; |
|
|
int c, i; |
|
|
|
|
|
if (objc < 2) { |
|
|
Tcl_WrongNumArgs(interp, 1, objv, "option ?arg arg ...?"); |
|
|
return TCL_ERROR; |
|
|
} |
|
|
if (Tcl_GetIndexFromObj(interp, objv[1], frameOptions, "option", 0, |
|
|
&index) != TCL_OK) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
Tcl_Preserve((ClientData) framePtr); |
|
|
switch ((enum options) index) { |
|
|
case FRAME_CGET: { |
|
|
if (objc != 3) { |
|
|
Tcl_WrongNumArgs(interp, 2, objv, "option"); |
|
|
result = TCL_ERROR; |
|
|
goto done; |
|
|
} |
|
|
result = Tk_ConfigureValue(interp, framePtr->tkwin, configSpecs, |
|
|
(char *) framePtr, Tcl_GetString(objv[2]), framePtr->mask); |
|
|
break; |
|
|
} |
|
|
case FRAME_CONFIGURE: { |
|
|
if (objc == 2) { |
|
|
result = Tk_ConfigureInfo(interp, framePtr->tkwin, configSpecs, |
|
|
(char *) framePtr, (char *) NULL, framePtr->mask); |
|
|
} else if (objc == 3) { |
|
|
result = Tk_ConfigureInfo(interp, framePtr->tkwin, configSpecs, |
|
|
(char *) framePtr, Tcl_GetString(objv[2]), framePtr->mask); |
|
|
} else { |
|
|
/* |
|
|
* Don't allow the options -class, -colormap, -container, |
|
|
* -newcmap, -screen, -use, or -visual to be changed. |
|
|
*/ |
|
|
|
|
|
for (i = 2; i < objc; i++) { |
|
|
char *arg = Tcl_GetStringFromObj(objv[i], (int *) &length); |
|
|
if (length < 2) { |
|
|
continue; |
|
|
} |
|
|
c = arg[1]; |
|
|
if (((c == 'c') && (strncmp(arg, "-class", length) == 0) |
|
|
&& (length >= 2)) |
|
|
|| ((c == 'c') && (framePtr->mask == TOPLEVEL) |
|
|
&& (strncmp(arg, "-colormap", length) == 0) |
|
|
&& (length >= 3)) |
|
|
|| ((c == 'c') |
|
|
&& (strncmp(arg, "-container", length) == 0) |
|
|
&& (length >= 3)) |
|
|
|| ((c == 's') && (framePtr->mask == TOPLEVEL) |
|
|
&& (strncmp(arg, "-screen", length) == 0)) |
|
|
|| ((c == 'u') && (framePtr->mask == TOPLEVEL) |
|
|
&& (strncmp(arg, "-use", length) == 0)) |
|
|
|| ((c == 'v') && (framePtr->mask == TOPLEVEL) |
|
|
&& (strncmp(arg, "-visual", length) == 0))) { |
|
|
Tcl_AppendResult(interp, "can't modify ", arg, |
|
|
" option after widget is created", (char *) NULL); |
|
|
result = TCL_ERROR; |
|
|
goto done; |
|
|
} |
|
|
} |
|
|
result = ConfigureFrame(interp, framePtr, objc-2, objv+2, |
|
|
TK_CONFIG_ARGV_ONLY); |
|
|
} |
|
|
break; |
|
|
} |
|
|
} |
|
|
|
|
|
done: |
|
|
Tcl_Release((ClientData) framePtr); |
|
|
return result; |
|
|
} |
|
|
|
|
|
/* |
|
|
*---------------------------------------------------------------------- |
|
|
* |
|
|
* DestroyFrame -- |
|
|
* |
|
|
* This procedure is invoked by Tcl_EventuallyFree or Tcl_Release |
|
|
* to clean up the internal structure of a frame at a safe time |
|
|
* (when no-one is using it anymore). |
|
|
* |
|
|
* Results: |
|
|
* None. |
|
|
* |
|
|
* Side effects: |
|
|
* Everything associated with the frame is freed up. |
|
|
* |
|
|
*---------------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
static void |
|
|
DestroyFrame(memPtr) |
|
|
char *memPtr; /* Info about frame widget. */ |
|
|
{ |
|
|
register Frame *framePtr = (Frame *) memPtr; |
|
|
|
|
|
Tk_FreeOptions(configSpecs, (char *) framePtr, framePtr->display, |
|
|
framePtr->mask); |
|
|
if (framePtr->colormap != None) { |
|
|
Tk_FreeColormap(framePtr->display, framePtr->colormap); |
|
|
} |
|
|
ckfree((char *) framePtr); |
|
|
} |
|
|
|
|
|
/* |
|
|
*---------------------------------------------------------------------- |
|
|
* |
|
|
* ConfigureFrame -- |
|
|
* |
|
|
* This procedure is called to process an objv/objc list, plus |
|
|
* the Tk option database, in order to configure (or |
|
|
* reconfigure) a frame widget. |
|
|
* |
|
|
* Results: |
|
|
* The return value is a standard Tcl result. If TCL_ERROR is |
|
|
* returned, then the interp's result contains an error message. |
|
|
* |
|
|
* Side effects: |
|
|
* Configuration information, such as text string, colors, font, |
|
|
* etc. get set for framePtr; old resources get freed, if there |
|
|
* were any. |
|
|
* |
|
|
*---------------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
static int |
|
|
ConfigureFrame(interp, framePtr, objc, objv, flags) |
|
|
Tcl_Interp *interp; /* Used for error reporting. */ |
|
|
register Frame *framePtr; /* Information about widget; may or may |
|
|
* not already have values for some fields. */ |
|
|
int objc; /* Number of valid entries in objv. */ |
|
|
Tcl_Obj *CONST objv[]; /* Arguments. */ |
|
|
int flags; /* Flags to pass to Tk_ConfigureWidget. */ |
|
|
{ |
|
|
char *oldMenuName; |
|
|
|
|
|
/* |
|
|
* Need the old menubar name for the menu code to delete it. |
|
|
*/ |
|
|
|
|
|
if (framePtr->menuName == NULL) { |
|
|
oldMenuName = NULL; |
|
|
} else { |
|
|
oldMenuName = ckalloc(strlen(framePtr->menuName) + 1); |
|
|
strcpy(oldMenuName, framePtr->menuName); |
|
|
} |
|
|
|
|
|
if (Tk_ConfigureWidget(interp, framePtr->tkwin, configSpecs, |
|
|
objc, (char **) objv, (char *) framePtr, |
|
|
flags | framePtr->mask | TK_CONFIG_OBJS) != TCL_OK) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
|
|
|
if (((oldMenuName == NULL) && (framePtr->menuName != NULL)) |
|
|
|| ((oldMenuName != NULL) && (framePtr->menuName == NULL)) |
|
|
|| ((oldMenuName != NULL) && (framePtr->menuName != NULL) |
|
|
&& strcmp(oldMenuName, framePtr->menuName) != 0)) { |
|
|
TkSetWindowMenuBar(interp, framePtr->tkwin, oldMenuName, |
|
|
framePtr->menuName); |
|
|
} |
|
|
|
|
|
if (framePtr->border != NULL) { |
|
|
Tk_SetBackgroundFromBorder(framePtr->tkwin, framePtr->border); |
|
|
} else { |
|
|
Tk_SetWindowBackgroundPixmap(framePtr->tkwin, None); |
|
|
} |
|
|
|
|
|
if (framePtr->highlightWidth < 0) { |
|
|
framePtr->highlightWidth = 0; |
|
|
} |
|
|
Tk_SetInternalBorder(framePtr->tkwin, |
|
|
framePtr->borderWidth + framePtr->highlightWidth); |
|
|
if ((framePtr->width > 0) || (framePtr->height > 0)) { |
|
|
Tk_GeometryRequest(framePtr->tkwin, framePtr->width, |
|
|
framePtr->height); |
|
|
} |
|
|
|
|
|
if (oldMenuName != NULL) { |
|
|
ckfree(oldMenuName); |
|
|
} |
|
|
|
|
|
if (Tk_IsMapped(framePtr->tkwin)) { |
|
|
if (!(framePtr->flags & REDRAW_PENDING)) { |
|
|
Tcl_DoWhenIdle(DisplayFrame, (ClientData) framePtr); |
|
|
} |
|
|
framePtr->flags |= REDRAW_PENDING; |
|
|
} |
|
|
return TCL_OK; |
|
|
} |
|
|
|
|
|
/* |
|
|
*---------------------------------------------------------------------- |
|
|
* |
|
|
* DisplayFrame -- |
|
|
* |
|
|
* This procedure is invoked to display a frame widget. |
|
|
* |
|
|
* Results: |
|
|
* None. |
|
|
* |
|
|
* Side effects: |
|
|
* Commands are output to X to display the frame in its |
|
|
* current mode. |
|
|
* |
|
|
*---------------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
static void |
|
|
DisplayFrame(clientData) |
|
|
ClientData clientData; /* Information about widget. */ |
|
|
{ |
|
|
register Frame *framePtr = (Frame *) clientData; |
|
|
register Tk_Window tkwin = framePtr->tkwin; |
|
|
void (* drawFunction) _ANSI_ARGS_((Tk_Window, Drawable, Tk_3DBorder, |
|
|
int, int, int, int, int, int)) = Tk_Fill3DRectangle; |
|
|
|
|
|
framePtr->flags &= ~REDRAW_PENDING; |
|
|
if ((framePtr->tkwin == NULL) || !Tk_IsMapped(tkwin) |
|
|
|| framePtr->isContainer) { |
|
|
return; |
|
|
} |
|
|
|
|
|
if (framePtr->border != NULL) { |
|
|
drawFunction(tkwin, Tk_WindowId(tkwin), |
|
|
framePtr->border, framePtr->highlightWidth, |
|
|
framePtr->highlightWidth, |
|
|
Tk_Width(tkwin) - 2*framePtr->highlightWidth, |
|
|
Tk_Height(tkwin) - 2*framePtr->highlightWidth, |
|
|
framePtr->borderWidth, framePtr->relief); |
|
|
} |
|
|
if (framePtr->highlightWidth != 0) { |
|
|
GC fgGC, bgGC; |
|
|
|
|
|
bgGC = Tk_GCForColor(framePtr->highlightBgColorPtr, |
|
|
Tk_WindowId(tkwin)); |
|
|
if (framePtr->flags & GOT_FOCUS) { |
|
|
fgGC = Tk_GCForColor(framePtr->highlightColorPtr, |
|
|
Tk_WindowId(tkwin)); |
|
|
TkpDrawHighlightBorder(tkwin, fgGC, bgGC, framePtr->highlightWidth, |
|
|
Tk_WindowId(tkwin)); |
|
|
} else { |
|
|
TkpDrawHighlightBorder(tkwin, bgGC, bgGC, framePtr->highlightWidth, |
|
|
Tk_WindowId(tkwin)); |
|
|
} |
|
|
} |
|
|
} |
|
|
|
|
|
/* |
|
|
*-------------------------------------------------------------- |
|
|
* |
|
|
* FrameEventProc -- |
|
|
* |
|
|
* This procedure is invoked by the Tk dispatcher on |
|
|
* structure changes to a frame. For frames with 3D |
|
|
* borders, this procedure is also invoked for exposures. |
|
|
* |
|
|
* Results: |
|
|
* None. |
|
|
* |
|
|
* Side effects: |
|
|
* When the window gets deleted, internal structures get |
|
|
* cleaned up. When it gets exposed, it is redisplayed. |
|
|
* |
|
|
*-------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
static void |
|
|
FrameEventProc(clientData, eventPtr) |
|
|
ClientData clientData; /* Information about window. */ |
|
|
register XEvent *eventPtr; /* Information about event. */ |
|
|
{ |
|
|
register Frame *framePtr = (Frame *) clientData; |
|
|
|
|
|
if (((eventPtr->type == Expose) && (eventPtr->xexpose.count == 0)) |
|
|
|| (eventPtr->type == ConfigureNotify)) { |
|
|
goto redraw; |
|
|
} else if (eventPtr->type == DestroyNotify) { |
|
|
if (framePtr->menuName != NULL) { |
|
|
TkSetWindowMenuBar(framePtr->interp, framePtr->tkwin, |
|
|
framePtr->menuName, NULL); |
|
|
ckfree(framePtr->menuName); |
|
|
framePtr->menuName = NULL; |
|
|
} |
|
|
if (framePtr->tkwin != NULL) { |
|
|
|
|
|
/* |
|
|
* If this window is a container, then this event could be |
|
|
* coming from the embedded application, in which case |
|
|
* Tk_DestroyWindow hasn't been called yet. When Tk_DestroyWindow |
|
|
* is called later, then another destroy event will be generated. |
|
|
* We need to be sure we ignore the second event, since the frame |
|
|
* could be gone by then. To do so, delete the event handler |
|
|
* explicitly (normally it's done implicitly by Tk_DestroyWindow). |
|
|
*/ |
|
|
|
|
|
Tk_DeleteEventHandler(framePtr->tkwin, |
|
|
ExposureMask|StructureNotifyMask|FocusChangeMask, |
|
|
FrameEventProc, (ClientData) framePtr); |
|
|
framePtr->tkwin = NULL; |
|
|
Tcl_DeleteCommandFromToken(framePtr->interp, framePtr->widgetCmd); |
|
|
} |
|
|
if (framePtr->flags & REDRAW_PENDING) { |
|
|
Tcl_CancelIdleCall(DisplayFrame, (ClientData) framePtr); |
|
|
} |
|
|
Tcl_CancelIdleCall(MapFrame, (ClientData) framePtr); |
|
|
Tcl_EventuallyFree((ClientData) framePtr, DestroyFrame); |
|
|
} else if (eventPtr->type == FocusIn) { |
|
|
if (eventPtr->xfocus.detail != NotifyInferior) { |
|
|
framePtr->flags |= GOT_FOCUS; |
|
|
if (framePtr->highlightWidth > 0) { |
|
|
goto redraw; |
|
|
} |
|
|
} |
|
|
} else if (eventPtr->type == FocusOut) { |
|
|
if (eventPtr->xfocus.detail != NotifyInferior) { |
|
|
framePtr->flags &= ~GOT_FOCUS; |
|
|
if (framePtr->highlightWidth > 0) { |
|
|
goto redraw; |
|
|
} |
|
|
} |
|
|
} else if (eventPtr->type == ActivateNotify) { |
|
|
TkpSetMainMenubar(framePtr->interp, framePtr->tkwin, |
|
|
framePtr->menuName); |
|
|
} |
|
|
return; |
|
|
|
|
|
redraw: |
|
|
if ((framePtr->tkwin != NULL) && !(framePtr->flags & REDRAW_PENDING)) { |
|
|
Tcl_DoWhenIdle(DisplayFrame, (ClientData) framePtr); |
|
|
framePtr->flags |= REDRAW_PENDING; |
|
|
} |
|
|
} |
|
|
|
|
|
/* |
|
|
*---------------------------------------------------------------------- |
|
|
* |
|
|
* FrameCmdDeletedProc -- |
|
|
* |
|
|
* This procedure is invoked when a widget command is deleted. If |
|
|
* the widget isn't already in the process of being destroyed, |
|
|
* this command destroys it. |
|
|
* |
|
|
* Results: |
|
|
* None. |
|
|
* |
|
|
* Side effects: |
|
|
* The widget is destroyed. |
|
|
* |
|
|
*---------------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
static void |
|
|
FrameCmdDeletedProc(clientData) |
|
|
ClientData clientData; /* Pointer to widget record for widget. */ |
|
|
{ |
|
|
Frame *framePtr = (Frame *) clientData; |
|
|
Tk_Window tkwin = framePtr->tkwin; |
|
|
|
|
|
if (framePtr->menuName != NULL) { |
|
|
TkSetWindowMenuBar(framePtr->interp, framePtr->tkwin, |
|
|
framePtr->menuName, NULL); |
|
|
ckfree(framePtr->menuName); |
|
|
framePtr->menuName = NULL; |
|
|
} |
|
|
|
|
|
/* |
|
|
* This procedure could be invoked either because the window was |
|
|
* destroyed and the command was then deleted (in which case tkwin |
|
|
* is NULL) or because the command was deleted, and then this procedure |
|
|
* destroys the widget. |
|
|
*/ |
|
|
|
|
|
if (tkwin != NULL) { |
|
|
framePtr->tkwin = NULL; |
|
|
Tk_DestroyWindow(tkwin); |
|
|
} |
|
|
} |
|
|
|
|
|
/* |
|
|
*---------------------------------------------------------------------- |
|
|
* |
|
|
* MapFrame -- |
|
|
* |
|
|
* This procedure is invoked as a when-idle handler to map a |
|
|
* newly-created top-level frame. |
|
|
* |
|
|
* Results: |
|
|
* None. |
|
|
* |
|
|
* Side effects: |
|
|
* The frame given by the clientData argument is mapped. |
|
|
* |
|
|
*---------------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
static void |
|
|
MapFrame(clientData) |
|
|
ClientData clientData; /* Pointer to frame structure. */ |
|
|
{ |
|
|
Frame *framePtr = (Frame *) clientData; |
|
|
|
|
|
/* |
|
|
* Wait for all other background events to be processed before |
|
|
* mapping window. This ensures that the window's correct geometry |
|
|
* will have been determined before it is first mapped, so that the |
|
|
* window manager doesn't get a false idea of its desired geometry. |
|
|
*/ |
|
|
|
|
|
Tcl_Preserve((ClientData) framePtr); |
|
|
while (1) { |
|
|
if (Tcl_DoOneEvent(TCL_IDLE_EVENTS) == 0) { |
|
|
break; |
|
|
} |
|
|
|
|
|
/* |
|
|
* After each event, make sure that the window still exists |
|
|
* and quit if the window has been destroyed. |
|
|
*/ |
|
|
|
|
|
if (framePtr->tkwin == NULL) { |
|
|
Tcl_Release((ClientData) framePtr); |
|
|
return; |
|
|
} |
|
|
} |
|
|
Tk_MapWindow(framePtr->tkwin); |
|
|
Tcl_Release((ClientData) framePtr); |
|
|
} |
|
|
|
|
|
/* |
|
|
*-------------------------------------------------------------- |
|
|
* |
|
|
* TkInstallFrameMenu -- |
|
|
* |
|
|
* This function is needed when a Windows HWND is created |
|
|
* and a menubar has been set to the window with a system |
|
|
* menu. It notifies the menu package so that the system |
|
|
* menu can be rebuilt. |
|
|
* |
|
|
* Results: |
|
|
* None. |
|
|
* |
|
|
* Side effects: |
|
|
* The system menu (if any) is created for the menubar |
|
|
* associated with this frame. |
|
|
* |
|
|
*-------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
void |
|
|
TkInstallFrameMenu(tkwin) |
|
|
Tk_Window tkwin; /* The window that was just created. */ |
|
|
{ |
|
|
TkWindow *winPtr = (TkWindow *) tkwin; |
|
|
|
|
|
if (winPtr->mainPtr != NULL) { |
|
|
Frame *framePtr; |
|
|
framePtr = (Frame*) winPtr->instanceData; |
|
|
if (framePtr == NULL) { |
|
|
panic("TkInstallFrameMenu couldn't get frame pointer"); |
|
|
} |
|
|
TkpMenuNotifyToplevelCreate(winPtr->mainPtr->interp, |
|
|
framePtr->menuName); |
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
/* $History: tkFrame.c $ |
|
|
* |
|
|
* ***************** Version 1 ***************** |
|
|
* User: Dtashley Date: 1/02/01 Time: 2:48a |
|
|
* Created in $/IjuScripter, IjuConsole/Source/Tk Base |
|
|
* Initial check-in. |
|
|
*/ |
|
|
|
|
|
/* End of TKFRAME.C */ |
|
| 1 |
|
/* $Header$ */ |
| 2 |
|
|
| 3 |
|
/* |
| 4 |
|
* tkFrame.c -- |
| 5 |
|
* |
| 6 |
|
* This module implements "frame" and "toplevel" widgets for |
| 7 |
|
* the Tk toolkit. Frames are windows with a background color |
| 8 |
|
* and possibly a 3-D effect, but not much else in the way of |
| 9 |
|
* attributes. |
| 10 |
|
* |
| 11 |
|
* Copyright (c) 1990-1994 The Regents of the University of California. |
| 12 |
|
* Copyright (c) 1994-1997 Sun Microsystems, Inc. |
| 13 |
|
* |
| 14 |
|
* See the file "license.terms" for information on usage and redistribution |
| 15 |
|
* of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
| 16 |
|
* |
| 17 |
|
* RCS: @(#) $Id: tkframe.c,v 1.1.1.1 2001/06/13 05:01:10 dtashley Exp $ |
| 18 |
|
*/ |
| 19 |
|
|
| 20 |
|
#include "default.h" |
| 21 |
|
#include "tkPort.h" |
| 22 |
|
#include "tkInt.h" |
| 23 |
|
|
| 24 |
|
/* |
| 25 |
|
* A data structure of the following type is kept for each |
| 26 |
|
* frame that currently exists for this process: |
| 27 |
|
*/ |
| 28 |
|
|
| 29 |
|
typedef struct { |
| 30 |
|
Tk_Window tkwin; /* Window that embodies the frame. NULL |
| 31 |
|
* means that the window has been destroyed |
| 32 |
|
* but the data structures haven't yet been |
| 33 |
|
* cleaned up. */ |
| 34 |
|
Display *display; /* Display containing widget. Used, among |
| 35 |
|
* other things, so that resources can be |
| 36 |
|
* freed even after tkwin has gone away. */ |
| 37 |
|
Tcl_Interp *interp; /* Interpreter associated with widget. Used |
| 38 |
|
* to delete widget command. */ |
| 39 |
|
Tcl_Command widgetCmd; /* Token for frame's widget command. */ |
| 40 |
|
char *className; /* Class name for widget (from configuration |
| 41 |
|
* option). Malloc-ed. */ |
| 42 |
|
int mask; /* Either FRAME or TOPLEVEL; used to select |
| 43 |
|
* which configuration options are valid for |
| 44 |
|
* widget. */ |
| 45 |
|
char *screenName; /* Screen on which widget is created. Non-null |
| 46 |
|
* only for top-levels. Malloc-ed, may be |
| 47 |
|
* NULL. */ |
| 48 |
|
char *visualName; /* Textual description of visual for window, |
| 49 |
|
* from -visual option. Malloc-ed, may be |
| 50 |
|
* NULL. */ |
| 51 |
|
char *colormapName; /* Textual description of colormap for window, |
| 52 |
|
* from -colormap option. Malloc-ed, may be |
| 53 |
|
* NULL. */ |
| 54 |
|
char *menuName; /* Textual description of menu to use for |
| 55 |
|
* menubar. Malloc-ed, may be NULL. */ |
| 56 |
|
Colormap colormap; /* If not None, identifies a colormap |
| 57 |
|
* allocated for this window, which must be |
| 58 |
|
* freed when the window is deleted. */ |
| 59 |
|
Tk_3DBorder border; /* Structure used to draw 3-D border and |
| 60 |
|
* background. NULL means no background |
| 61 |
|
* or border. */ |
| 62 |
|
int borderWidth; /* Width of 3-D border (if any). */ |
| 63 |
|
int relief; /* 3-d effect: TK_RELIEF_RAISED etc. */ |
| 64 |
|
int highlightWidth; /* Width in pixels of highlight to draw |
| 65 |
|
* around widget when it has the focus. |
| 66 |
|
* 0 means don't draw a highlight. */ |
| 67 |
|
XColor *highlightBgColorPtr; |
| 68 |
|
/* Color for drawing traversal highlight |
| 69 |
|
* area when highlight is off. */ |
| 70 |
|
XColor *highlightColorPtr; /* Color for drawing traversal highlight. */ |
| 71 |
|
int width; /* Width to request for window. <= 0 means |
| 72 |
|
* don't request any size. */ |
| 73 |
|
int height; /* Height to request for window. <= 0 means |
| 74 |
|
* don't request any size. */ |
| 75 |
|
Tk_Cursor cursor; /* Current cursor for window, or None. */ |
| 76 |
|
char *takeFocus; /* Value of -takefocus option; not used in |
| 77 |
|
* the C code, but used by keyboard traversal |
| 78 |
|
* scripts. Malloc'ed, but may be NULL. */ |
| 79 |
|
int isContainer; /* 1 means this window is a container, 0 means |
| 80 |
|
* that it isn't. */ |
| 81 |
|
char *useThis; /* If the window is embedded, this points to |
| 82 |
|
* the name of the window in which it is |
| 83 |
|
* embedded (malloc'ed). For non-embedded |
| 84 |
|
* windows this is NULL. */ |
| 85 |
|
int flags; /* Various flags; see below for |
| 86 |
|
* definitions. */ |
| 87 |
|
} Frame; |
| 88 |
|
|
| 89 |
|
/* |
| 90 |
|
* Flag bits for frames: |
| 91 |
|
* |
| 92 |
|
* REDRAW_PENDING: Non-zero means a DoWhenIdle handler |
| 93 |
|
* has already been queued to redraw |
| 94 |
|
* this window. |
| 95 |
|
* GOT_FOCUS: Non-zero means this widget currently |
| 96 |
|
* has the input focus. |
| 97 |
|
*/ |
| 98 |
|
|
| 99 |
|
#define REDRAW_PENDING 1 |
| 100 |
|
#define GOT_FOCUS 4 |
| 101 |
|
|
| 102 |
|
/* |
| 103 |
|
* The following flag bits are used so that there can be separate |
| 104 |
|
* defaults for some configuration options for frames and toplevels. |
| 105 |
|
*/ |
| 106 |
|
|
| 107 |
|
#define FRAME TK_CONFIG_USER_BIT |
| 108 |
|
#define TOPLEVEL (TK_CONFIG_USER_BIT << 1) |
| 109 |
|
#define BOTH (FRAME | TOPLEVEL) |
| 110 |
|
|
| 111 |
|
static Tk_ConfigSpec configSpecs[] = { |
| 112 |
|
{TK_CONFIG_BORDER, "-background", "background", "Background", |
| 113 |
|
DEF_FRAME_BG_COLOR, Tk_Offset(Frame, border), |
| 114 |
|
BOTH|TK_CONFIG_COLOR_ONLY|TK_CONFIG_NULL_OK}, |
| 115 |
|
{TK_CONFIG_BORDER, "-background", "background", "Background", |
| 116 |
|
DEF_FRAME_BG_MONO, Tk_Offset(Frame, border), |
| 117 |
|
BOTH|TK_CONFIG_MONO_ONLY|TK_CONFIG_NULL_OK}, |
| 118 |
|
{TK_CONFIG_SYNONYM, "-bd", "borderWidth", (char *) NULL, |
| 119 |
|
(char *) NULL, 0, BOTH}, |
| 120 |
|
{TK_CONFIG_SYNONYM, "-bg", "background", (char *) NULL, |
| 121 |
|
(char *) NULL, 0, BOTH}, |
| 122 |
|
{TK_CONFIG_PIXELS, "-borderwidth", "borderWidth", "BorderWidth", |
| 123 |
|
DEF_FRAME_BORDER_WIDTH, Tk_Offset(Frame, borderWidth), BOTH}, |
| 124 |
|
{TK_CONFIG_STRING, "-class", "class", "Class", |
| 125 |
|
DEF_FRAME_CLASS, Tk_Offset(Frame, className), FRAME}, |
| 126 |
|
{TK_CONFIG_STRING, "-class", "class", "Class", |
| 127 |
|
DEF_TOPLEVEL_CLASS, Tk_Offset(Frame, className), TOPLEVEL}, |
| 128 |
|
{TK_CONFIG_STRING, "-colormap", "colormap", "Colormap", |
| 129 |
|
DEF_FRAME_COLORMAP, Tk_Offset(Frame, colormapName), |
| 130 |
|
BOTH|TK_CONFIG_NULL_OK}, |
| 131 |
|
{TK_CONFIG_BOOLEAN, "-container", "container", "Container", |
| 132 |
|
DEF_FRAME_CONTAINER, Tk_Offset(Frame, isContainer), BOTH}, |
| 133 |
|
{TK_CONFIG_ACTIVE_CURSOR, "-cursor", "cursor", "Cursor", |
| 134 |
|
DEF_FRAME_CURSOR, Tk_Offset(Frame, cursor), BOTH|TK_CONFIG_NULL_OK}, |
| 135 |
|
{TK_CONFIG_PIXELS, "-height", "height", "Height", |
| 136 |
|
DEF_FRAME_HEIGHT, Tk_Offset(Frame, height), BOTH}, |
| 137 |
|
{TK_CONFIG_COLOR, "-highlightbackground", "highlightBackground", |
| 138 |
|
"HighlightBackground", DEF_FRAME_HIGHLIGHT_BG, |
| 139 |
|
Tk_Offset(Frame, highlightBgColorPtr), BOTH}, |
| 140 |
|
{TK_CONFIG_COLOR, "-highlightcolor", "highlightColor", "HighlightColor", |
| 141 |
|
DEF_FRAME_HIGHLIGHT, Tk_Offset(Frame, highlightColorPtr), BOTH}, |
| 142 |
|
{TK_CONFIG_PIXELS, "-highlightthickness", "highlightThickness", |
| 143 |
|
"HighlightThickness", |
| 144 |
|
DEF_FRAME_HIGHLIGHT_WIDTH, Tk_Offset(Frame, highlightWidth), BOTH}, |
| 145 |
|
{TK_CONFIG_STRING, "-menu", "menu", "Menu", |
| 146 |
|
DEF_TOPLEVEL_MENU, Tk_Offset(Frame, menuName), |
| 147 |
|
TOPLEVEL|TK_CONFIG_NULL_OK}, |
| 148 |
|
{TK_CONFIG_RELIEF, "-relief", "relief", "Relief", |
| 149 |
|
DEF_FRAME_RELIEF, Tk_Offset(Frame, relief), BOTH}, |
| 150 |
|
{TK_CONFIG_STRING, "-screen", "screen", "Screen", |
| 151 |
|
DEF_TOPLEVEL_SCREEN, Tk_Offset(Frame, screenName), |
| 152 |
|
TOPLEVEL|TK_CONFIG_NULL_OK}, |
| 153 |
|
{TK_CONFIG_STRING, "-takefocus", "takeFocus", "TakeFocus", |
| 154 |
|
DEF_FRAME_TAKE_FOCUS, Tk_Offset(Frame, takeFocus), |
| 155 |
|
BOTH|TK_CONFIG_NULL_OK}, |
| 156 |
|
{TK_CONFIG_STRING, "-use", "use", "Use", |
| 157 |
|
DEF_FRAME_USE, Tk_Offset(Frame, useThis), TOPLEVEL|TK_CONFIG_NULL_OK}, |
| 158 |
|
{TK_CONFIG_STRING, "-visual", "visual", "Visual", |
| 159 |
|
DEF_FRAME_VISUAL, Tk_Offset(Frame, visualName), |
| 160 |
|
BOTH|TK_CONFIG_NULL_OK}, |
| 161 |
|
{TK_CONFIG_PIXELS, "-width", "width", "Width", |
| 162 |
|
DEF_FRAME_WIDTH, Tk_Offset(Frame, width), BOTH}, |
| 163 |
|
{TK_CONFIG_END, (char *) NULL, (char *) NULL, (char *) NULL, |
| 164 |
|
(char *) NULL, 0, 0} |
| 165 |
|
}; |
| 166 |
|
|
| 167 |
|
/* |
| 168 |
|
* Forward declarations for procedures defined later in this file: |
| 169 |
|
*/ |
| 170 |
|
|
| 171 |
|
static int ConfigureFrame _ANSI_ARGS_((Tcl_Interp *interp, |
| 172 |
|
Frame *framePtr, int objc, Tcl_Obj *CONST objv[], |
| 173 |
|
int flags)); |
| 174 |
|
static int CreateFrame _ANSI_ARGS_((ClientData clientData, |
| 175 |
|
Tcl_Interp *interp, int objc, Tcl_Obj *CONST argv[], |
| 176 |
|
int toplevel, char *appName)); |
| 177 |
|
static void DestroyFrame _ANSI_ARGS_((char *memPtr)); |
| 178 |
|
static void DisplayFrame _ANSI_ARGS_((ClientData clientData)); |
| 179 |
|
static void FrameCmdDeletedProc _ANSI_ARGS_(( |
| 180 |
|
ClientData clientData)); |
| 181 |
|
static void FrameEventProc _ANSI_ARGS_((ClientData clientData, |
| 182 |
|
XEvent *eventPtr)); |
| 183 |
|
static int FrameWidgetObjCmd _ANSI_ARGS_((ClientData clientData, |
| 184 |
|
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); |
| 185 |
|
static void MapFrame _ANSI_ARGS_((ClientData clientData)); |
| 186 |
|
|
| 187 |
|
/* |
| 188 |
|
*-------------------------------------------------------------- |
| 189 |
|
* |
| 190 |
|
* Tk_FrameObjCmd, Tk_ToplevelObjCmd -- |
| 191 |
|
* |
| 192 |
|
* These procedures are invoked to process the "frame" and |
| 193 |
|
* "toplevel" Tcl commands. See the user documentation for |
| 194 |
|
* details on what they do. |
| 195 |
|
* |
| 196 |
|
* Results: |
| 197 |
|
* A standard Tcl result. |
| 198 |
|
* |
| 199 |
|
* Side effects: |
| 200 |
|
* See the user documentation. These procedures are just wrappers; |
| 201 |
|
* they call ButtonCreate to do all of the real work. |
| 202 |
|
* |
| 203 |
|
*-------------------------------------------------------------- |
| 204 |
|
*/ |
| 205 |
|
|
| 206 |
|
int |
| 207 |
|
Tk_FrameObjCmd(clientData, interp, objc, objv) |
| 208 |
|
ClientData clientData; /* Main window associated with |
| 209 |
|
* interpreter. */ |
| 210 |
|
Tcl_Interp *interp; /* Current interpreter. */ |
| 211 |
|
int objc; /* Number of arguments. */ |
| 212 |
|
Tcl_Obj *CONST objv[]; /* Argument objects. */ |
| 213 |
|
{ |
| 214 |
|
return CreateFrame(clientData, interp, objc, objv, 0, (char *) NULL); |
| 215 |
|
} |
| 216 |
|
|
| 217 |
|
int |
| 218 |
|
Tk_ToplevelObjCmd(clientData, interp, objc, objv) |
| 219 |
|
ClientData clientData; /* Main window associated with |
| 220 |
|
* interpreter. */ |
| 221 |
|
Tcl_Interp *interp; /* Current interpreter. */ |
| 222 |
|
int objc; /* Number of arguments. */ |
| 223 |
|
Tcl_Obj *CONST objv[]; /* Argument objects. */ |
| 224 |
|
{ |
| 225 |
|
return CreateFrame(clientData, interp, objc, objv, 1, (char *) NULL); |
| 226 |
|
} |
| 227 |
|
|
| 228 |
|
/* |
| 229 |
|
*-------------------------------------------------------------- |
| 230 |
|
* |
| 231 |
|
* TkCreateFrame -- |
| 232 |
|
* |
| 233 |
|
* This procedure is invoked to process the "frame" and "toplevel" |
| 234 |
|
* Tcl commands; it is also invoked directly by Tk_Init to create |
| 235 |
|
* a new main window. See the user documentation for the "frame" |
| 236 |
|
* and "toplevel" commands for details on what it does. |
| 237 |
|
* |
| 238 |
|
* Results: |
| 239 |
|
* A standard Tcl result. |
| 240 |
|
* |
| 241 |
|
* Side effects: |
| 242 |
|
* See the user documentation. |
| 243 |
|
* |
| 244 |
|
*-------------------------------------------------------------- |
| 245 |
|
*/ |
| 246 |
|
|
| 247 |
|
int |
| 248 |
|
TkCreateFrame(clientData, interp, argc, argv, toplevel, appName) |
| 249 |
|
ClientData clientData; /* Main window associated with interpreter. |
| 250 |
|
* If we're called by Tk_Init to create a |
| 251 |
|
* new application, then this is NULL. */ |
| 252 |
|
Tcl_Interp *interp; /* Current interpreter. */ |
| 253 |
|
int argc; /* Number of arguments. */ |
| 254 |
|
char **argv; /* Argument strings. */ |
| 255 |
|
int toplevel; /* Non-zero means create a toplevel window, |
| 256 |
|
* zero means create a frame. */ |
| 257 |
|
char *appName; /* Should only be non-NULL if clientData is |
| 258 |
|
* NULL: gives the base name to use for the |
| 259 |
|
* new application. */ |
| 260 |
|
{ |
| 261 |
|
int result, i; |
| 262 |
|
Tcl_Obj **objv = (Tcl_Obj **) ckalloc((argc+1) * sizeof(Tcl_Obj **)); |
| 263 |
|
for (i=0; i<argc; i++) { |
| 264 |
|
objv[i] = Tcl_NewStringObj(argv[i], -1); |
| 265 |
|
Tcl_IncrRefCount(objv[i]); |
| 266 |
|
} |
| 267 |
|
objv[argc] = NULL; |
| 268 |
|
result = CreateFrame(clientData, interp, argc, objv, toplevel, appName); |
| 269 |
|
for (i=0; i<argc; i++) { |
| 270 |
|
Tcl_DecrRefCount(objv[i]); |
| 271 |
|
} |
| 272 |
|
ckfree((char *) objv); |
| 273 |
|
return result; |
| 274 |
|
} |
| 275 |
|
|
| 276 |
|
static int |
| 277 |
|
CreateFrame(clientData, interp, objc, objv, toplevel, appName) |
| 278 |
|
ClientData clientData; /* Main window associated with interpreter. |
| 279 |
|
* If we're called by Tk_Init to create a |
| 280 |
|
* new application, then this is NULL. */ |
| 281 |
|
Tcl_Interp *interp; /* Current interpreter. */ |
| 282 |
|
int objc; /* Number of arguments. */ |
| 283 |
|
Tcl_Obj *CONST objv[]; /* Argument objects. */ |
| 284 |
|
int toplevel; /* Non-zero means create a toplevel window, |
| 285 |
|
* zero means create a frame. */ |
| 286 |
|
char *appName; /* Should only be non-NULL if clientData is |
| 287 |
|
* NULL: gives the base name to use for the |
| 288 |
|
* new application. */ |
| 289 |
|
{ |
| 290 |
|
Tk_Window tkwin = (Tk_Window) clientData; |
| 291 |
|
Frame *framePtr; |
| 292 |
|
Tk_Window new; |
| 293 |
|
char *className, *screenName, *visualName, *colormapName, *arg, *useOption; |
| 294 |
|
int i, c, depth; |
| 295 |
|
size_t length; |
| 296 |
|
unsigned int mask; |
| 297 |
|
Colormap colormap; |
| 298 |
|
Visual *visual; |
| 299 |
|
|
| 300 |
|
if (objc < 2) { |
| 301 |
|
Tcl_WrongNumArgs(interp, 1, objv, "pathName ?options?"); |
| 302 |
|
return TCL_ERROR; |
| 303 |
|
} |
| 304 |
|
|
| 305 |
|
/* |
| 306 |
|
* Pre-process the argument list. Scan through it to find any |
| 307 |
|
* "-class", "-screen", "-visual", and "-colormap" options. These |
| 308 |
|
* arguments need to be processed specially, before the window |
| 309 |
|
* is configured using the usual Tk mechanisms. |
| 310 |
|
*/ |
| 311 |
|
|
| 312 |
|
className = colormapName = screenName = visualName = useOption = NULL; |
| 313 |
|
colormap = None; |
| 314 |
|
for (i = 2; i < objc; i += 2) { |
| 315 |
|
arg = Tcl_GetStringFromObj(objv[i], (int *) &length); |
| 316 |
|
if (length < 2) { |
| 317 |
|
continue; |
| 318 |
|
} |
| 319 |
|
c = arg[1]; |
| 320 |
|
if ((c == 'c') && (strncmp(arg, "-class", length) == 0) |
| 321 |
|
&& (length >= 3)) { |
| 322 |
|
className = Tcl_GetString(objv[i+1]); |
| 323 |
|
} else if ((c == 'c') |
| 324 |
|
&& (strncmp(arg, "-colormap", length) == 0)) { |
| 325 |
|
colormapName = Tcl_GetString(objv[i+1]); |
| 326 |
|
} else if ((c == 's') && toplevel |
| 327 |
|
&& (strncmp(arg, "-screen", length) == 0)) { |
| 328 |
|
screenName = Tcl_GetString(objv[i+1]); |
| 329 |
|
} else if ((c == 'u') && toplevel |
| 330 |
|
&& (strncmp(arg, "-use", length) == 0)) { |
| 331 |
|
useOption = Tcl_GetString(objv[i+1]); |
| 332 |
|
} else if ((c == 'v') |
| 333 |
|
&& (strncmp(arg, "-visual", length) == 0)) { |
| 334 |
|
visualName = Tcl_GetString(objv[i+1]); |
| 335 |
|
} |
| 336 |
|
} |
| 337 |
|
|
| 338 |
|
/* |
| 339 |
|
* Create the window, and deal with the special options -use, |
| 340 |
|
* -classname, -colormap, -screenname, and -visual. These options |
| 341 |
|
* must be handle before calling ConfigureFrame below, and they must |
| 342 |
|
* also be processed in a particular order, for the following |
| 343 |
|
* reasons: |
| 344 |
|
* 1. Must set the window's class before calling ConfigureFrame, |
| 345 |
|
* so that unspecified options are looked up in the option |
| 346 |
|
* database using the correct class. |
| 347 |
|
* 2. Must set visual information before calling ConfigureFrame |
| 348 |
|
* so that colors are allocated in a proper colormap. |
| 349 |
|
* 3. Must call TkpUseWindow before setting non-default visual |
| 350 |
|
* information, since TkpUseWindow changes the defaults. |
| 351 |
|
*/ |
| 352 |
|
|
| 353 |
|
if (screenName == NULL) { |
| 354 |
|
screenName = (toplevel) ? "" : NULL; |
| 355 |
|
} |
| 356 |
|
if (tkwin != NULL) { |
| 357 |
|
new = Tk_CreateWindowFromPath(interp, tkwin, Tcl_GetString(objv[1]), |
| 358 |
|
screenName); |
| 359 |
|
} else { |
| 360 |
|
/* |
| 361 |
|
* We were called from Tk_Init; create a new application. |
| 362 |
|
*/ |
| 363 |
|
|
| 364 |
|
if (appName == NULL) { |
| 365 |
|
panic("TkCreateFrame didn't get application name"); |
| 366 |
|
} |
| 367 |
|
new = TkCreateMainWindow(interp, screenName, appName); |
| 368 |
|
} |
| 369 |
|
if (new == NULL) { |
| 370 |
|
goto error; |
| 371 |
|
} |
| 372 |
|
if (className == NULL) { |
| 373 |
|
className = Tk_GetOption(new, "class", "Class"); |
| 374 |
|
if (className == NULL) { |
| 375 |
|
className = (toplevel) ? "Toplevel" : "Frame"; |
| 376 |
|
} |
| 377 |
|
} |
| 378 |
|
Tk_SetClass(new, className); |
| 379 |
|
if (useOption == NULL) { |
| 380 |
|
useOption = Tk_GetOption(new, "use", "Use"); |
| 381 |
|
} |
| 382 |
|
if (useOption != NULL) { |
| 383 |
|
if (TkpUseWindow(interp, new, useOption) != TCL_OK) { |
| 384 |
|
goto error; |
| 385 |
|
} |
| 386 |
|
} |
| 387 |
|
if (visualName == NULL) { |
| 388 |
|
visualName = Tk_GetOption(new, "visual", "Visual"); |
| 389 |
|
} |
| 390 |
|
if (colormapName == NULL) { |
| 391 |
|
colormapName = Tk_GetOption(new, "colormap", "Colormap"); |
| 392 |
|
} |
| 393 |
|
if (visualName != NULL) { |
| 394 |
|
visual = Tk_GetVisual(interp, new, visualName, &depth, |
| 395 |
|
(colormapName == NULL) ? &colormap : (Colormap *) NULL); |
| 396 |
|
if (visual == NULL) { |
| 397 |
|
goto error; |
| 398 |
|
} |
| 399 |
|
Tk_SetWindowVisual(new, visual, depth, colormap); |
| 400 |
|
} |
| 401 |
|
if (colormapName != NULL) { |
| 402 |
|
colormap = Tk_GetColormap(interp, new, colormapName); |
| 403 |
|
if (colormap == None) { |
| 404 |
|
goto error; |
| 405 |
|
} |
| 406 |
|
Tk_SetWindowColormap(new, colormap); |
| 407 |
|
} |
| 408 |
|
|
| 409 |
|
/* |
| 410 |
|
* For top-level windows, provide an initial geometry request of |
| 411 |
|
* 200x200, just so the window looks nicer on the screen if it |
| 412 |
|
* doesn't request a size for itself. |
| 413 |
|
*/ |
| 414 |
|
|
| 415 |
|
if (toplevel) { |
| 416 |
|
Tk_GeometryRequest(new, 200, 200); |
| 417 |
|
} |
| 418 |
|
|
| 419 |
|
/* |
| 420 |
|
* Create the widget record, process configuration options, and |
| 421 |
|
* create event handlers. Then fill in a few additional fields |
| 422 |
|
* in the widget record from the special options. |
| 423 |
|
*/ |
| 424 |
|
|
| 425 |
|
framePtr = (Frame *) ckalloc(sizeof(Frame)); |
| 426 |
|
framePtr->tkwin = new; |
| 427 |
|
framePtr->display = Tk_Display(new); |
| 428 |
|
framePtr->interp = interp; |
| 429 |
|
framePtr->widgetCmd = Tcl_CreateObjCommand(interp, |
| 430 |
|
Tk_PathName(new), FrameWidgetObjCmd, |
| 431 |
|
(ClientData) framePtr, FrameCmdDeletedProc); |
| 432 |
|
framePtr->className = NULL; |
| 433 |
|
framePtr->mask = (toplevel) ? TOPLEVEL : FRAME; |
| 434 |
|
framePtr->screenName = NULL; |
| 435 |
|
framePtr->visualName = NULL; |
| 436 |
|
framePtr->colormapName = NULL; |
| 437 |
|
framePtr->colormap = colormap; |
| 438 |
|
framePtr->border = NULL; |
| 439 |
|
framePtr->borderWidth = 0; |
| 440 |
|
framePtr->relief = TK_RELIEF_FLAT; |
| 441 |
|
framePtr->highlightWidth = 0; |
| 442 |
|
framePtr->highlightBgColorPtr = NULL; |
| 443 |
|
framePtr->highlightColorPtr = NULL; |
| 444 |
|
framePtr->width = 0; |
| 445 |
|
framePtr->height = 0; |
| 446 |
|
framePtr->cursor = None; |
| 447 |
|
framePtr->takeFocus = NULL; |
| 448 |
|
framePtr->isContainer = 0; |
| 449 |
|
framePtr->useThis = NULL; |
| 450 |
|
framePtr->flags = 0; |
| 451 |
|
framePtr->menuName = NULL; |
| 452 |
|
|
| 453 |
|
/* |
| 454 |
|
* Store backreference to frame widget in window structure. |
| 455 |
|
*/ |
| 456 |
|
TkSetClassProcs(new, NULL, (ClientData) framePtr); |
| 457 |
|
|
| 458 |
|
mask = ExposureMask | StructureNotifyMask | FocusChangeMask; |
| 459 |
|
if (toplevel) { |
| 460 |
|
mask |= ActivateMask; |
| 461 |
|
} |
| 462 |
|
Tk_CreateEventHandler(new, mask, FrameEventProc, (ClientData) framePtr); |
| 463 |
|
if (ConfigureFrame(interp, framePtr, objc-2, objv+2, 0) != TCL_OK) { |
| 464 |
|
goto error; |
| 465 |
|
} |
| 466 |
|
if ((framePtr->isContainer)) { |
| 467 |
|
if (framePtr->useThis == NULL) { |
| 468 |
|
TkpMakeContainer(framePtr->tkwin); |
| 469 |
|
} else { |
| 470 |
|
Tcl_AppendResult(interp,"A window cannot have both the -use ", |
| 471 |
|
"and the -container option set."); |
| 472 |
|
return TCL_ERROR; |
| 473 |
|
} |
| 474 |
|
} |
| 475 |
|
if (toplevel) { |
| 476 |
|
Tcl_DoWhenIdle(MapFrame, (ClientData) framePtr); |
| 477 |
|
} |
| 478 |
|
Tcl_SetResult(interp, Tk_PathName(new), TCL_STATIC); |
| 479 |
|
return TCL_OK; |
| 480 |
|
|
| 481 |
|
error: |
| 482 |
|
if (new != NULL) { |
| 483 |
|
Tk_DestroyWindow(new); |
| 484 |
|
} |
| 485 |
|
return TCL_ERROR; |
| 486 |
|
} |
| 487 |
|
|
| 488 |
|
/* |
| 489 |
|
*-------------------------------------------------------------- |
| 490 |
|
* |
| 491 |
|
* FrameWidgetObjCmd -- |
| 492 |
|
* |
| 493 |
|
* This procedure is invoked to process the Tcl command |
| 494 |
|
* that corresponds to a frame widget. See the user |
| 495 |
|
* documentation for details on what it does. |
| 496 |
|
* |
| 497 |
|
* Results: |
| 498 |
|
* A standard Tcl result. |
| 499 |
|
* |
| 500 |
|
* Side effects: |
| 501 |
|
* See the user documentation. |
| 502 |
|
* |
| 503 |
|
*-------------------------------------------------------------- |
| 504 |
|
*/ |
| 505 |
|
|
| 506 |
|
static int |
| 507 |
|
FrameWidgetObjCmd(clientData, interp, objc, objv) |
| 508 |
|
ClientData clientData; /* Information about frame widget. */ |
| 509 |
|
Tcl_Interp *interp; /* Current interpreter. */ |
| 510 |
|
int objc; /* Number of arguments. */ |
| 511 |
|
Tcl_Obj *CONST objv[]; /* Argument objects. */ |
| 512 |
|
{ |
| 513 |
|
static char *frameOptions[] = { |
| 514 |
|
"cget", "configure", (char *) NULL |
| 515 |
|
}; |
| 516 |
|
enum options { |
| 517 |
|
FRAME_CGET, FRAME_CONFIGURE |
| 518 |
|
}; |
| 519 |
|
register Frame *framePtr = (Frame *) clientData; |
| 520 |
|
int result = TCL_OK, index; |
| 521 |
|
size_t length; |
| 522 |
|
int c, i; |
| 523 |
|
|
| 524 |
|
if (objc < 2) { |
| 525 |
|
Tcl_WrongNumArgs(interp, 1, objv, "option ?arg arg ...?"); |
| 526 |
|
return TCL_ERROR; |
| 527 |
|
} |
| 528 |
|
if (Tcl_GetIndexFromObj(interp, objv[1], frameOptions, "option", 0, |
| 529 |
|
&index) != TCL_OK) { |
| 530 |
|
return TCL_ERROR; |
| 531 |
|
} |
| 532 |
|
Tcl_Preserve((ClientData) framePtr); |
| 533 |
|
switch ((enum options) index) { |
| 534 |
|
case FRAME_CGET: { |
| 535 |
|
if (objc != 3) { |
| 536 |
|
Tcl_WrongNumArgs(interp, 2, objv, "option"); |
| 537 |
|
result = TCL_ERROR; |
| 538 |
|
goto done; |
| 539 |
|
} |
| 540 |
|
result = Tk_ConfigureValue(interp, framePtr->tkwin, configSpecs, |
| 541 |
|
(char *) framePtr, Tcl_GetString(objv[2]), framePtr->mask); |
| 542 |
|
break; |
| 543 |
|
} |
| 544 |
|
case FRAME_CONFIGURE: { |
| 545 |
|
if (objc == 2) { |
| 546 |
|
result = Tk_ConfigureInfo(interp, framePtr->tkwin, configSpecs, |
| 547 |
|
(char *) framePtr, (char *) NULL, framePtr->mask); |
| 548 |
|
} else if (objc == 3) { |
| 549 |
|
result = Tk_ConfigureInfo(interp, framePtr->tkwin, configSpecs, |
| 550 |
|
(char *) framePtr, Tcl_GetString(objv[2]), framePtr->mask); |
| 551 |
|
} else { |
| 552 |
|
/* |
| 553 |
|
* Don't allow the options -class, -colormap, -container, |
| 554 |
|
* -newcmap, -screen, -use, or -visual to be changed. |
| 555 |
|
*/ |
| 556 |
|
|
| 557 |
|
for (i = 2; i < objc; i++) { |
| 558 |
|
char *arg = Tcl_GetStringFromObj(objv[i], (int *) &length); |
| 559 |
|
if (length < 2) { |
| 560 |
|
continue; |
| 561 |
|
} |
| 562 |
|
c = arg[1]; |
| 563 |
|
if (((c == 'c') && (strncmp(arg, "-class", length) == 0) |
| 564 |
|
&& (length >= 2)) |
| 565 |
|
|| ((c == 'c') && (framePtr->mask == TOPLEVEL) |
| 566 |
|
&& (strncmp(arg, "-colormap", length) == 0) |
| 567 |
|
&& (length >= 3)) |
| 568 |
|
|| ((c == 'c') |
| 569 |
|
&& (strncmp(arg, "-container", length) == 0) |
| 570 |
|
&& (length >= 3)) |
| 571 |
|
|| ((c == 's') && (framePtr->mask == TOPLEVEL) |
| 572 |
|
&& (strncmp(arg, "-screen", length) == 0)) |
| 573 |
|
|| ((c == 'u') && (framePtr->mask == TOPLEVEL) |
| 574 |
|
&& (strncmp(arg, "-use", length) == 0)) |
| 575 |
|
|| ((c == 'v') && (framePtr->mask == TOPLEVEL) |
| 576 |
|
&& (strncmp(arg, "-visual", length) == 0))) { |
| 577 |
|
Tcl_AppendResult(interp, "can't modify ", arg, |
| 578 |
|
" option after widget is created", (char *) NULL); |
| 579 |
|
result = TCL_ERROR; |
| 580 |
|
goto done; |
| 581 |
|
} |
| 582 |
|
} |
| 583 |
|
result = ConfigureFrame(interp, framePtr, objc-2, objv+2, |
| 584 |
|
TK_CONFIG_ARGV_ONLY); |
| 585 |
|
} |
| 586 |
|
break; |
| 587 |
|
} |
| 588 |
|
} |
| 589 |
|
|
| 590 |
|
done: |
| 591 |
|
Tcl_Release((ClientData) framePtr); |
| 592 |
|
return result; |
| 593 |
|
} |
| 594 |
|
|
| 595 |
|
/* |
| 596 |
|
*---------------------------------------------------------------------- |
| 597 |
|
* |
| 598 |
|
* DestroyFrame -- |
| 599 |
|
* |
| 600 |
|
* This procedure is invoked by Tcl_EventuallyFree or Tcl_Release |
| 601 |
|
* to clean up the internal structure of a frame at a safe time |
| 602 |
|
* (when no-one is using it anymore). |
| 603 |
|
* |
| 604 |
|
* Results: |
| 605 |
|
* None. |
| 606 |
|
* |
| 607 |
|
* Side effects: |
| 608 |
|
* Everything associated with the frame is freed up. |
| 609 |
|
* |
| 610 |
|
*---------------------------------------------------------------------- |
| 611 |
|
*/ |
| 612 |
|
|
| 613 |
|
static void |
| 614 |
|
DestroyFrame(memPtr) |
| 615 |
|
char *memPtr; /* Info about frame widget. */ |
| 616 |
|
{ |
| 617 |
|
register Frame *framePtr = (Frame *) memPtr; |
| 618 |
|
|
| 619 |
|
Tk_FreeOptions(configSpecs, (char *) framePtr, framePtr->display, |
| 620 |
|
framePtr->mask); |
| 621 |
|
if (framePtr->colormap != None) { |
| 622 |
|
Tk_FreeColormap(framePtr->display, framePtr->colormap); |
| 623 |
|
} |
| 624 |
|
ckfree((char *) framePtr); |
| 625 |
|
} |
| 626 |
|
|
| 627 |
|
/* |
| 628 |
|
*---------------------------------------------------------------------- |
| 629 |
|
* |
| 630 |
|
* ConfigureFrame -- |
| 631 |
|
* |
| 632 |
|
* This procedure is called to process an objv/objc list, plus |
| 633 |
|
* the Tk option database, in order to configure (or |
| 634 |
|
* reconfigure) a frame widget. |
| 635 |
|
* |
| 636 |
|
* Results: |
| 637 |
|
* The return value is a standard Tcl result. If TCL_ERROR is |
| 638 |
|
* returned, then the interp's result contains an error message. |
| 639 |
|
* |
| 640 |
|
* Side effects: |
| 641 |
|
* Configuration information, such as text string, colors, font, |
| 642 |
|
* etc. get set for framePtr; old resources get freed, if there |
| 643 |
|
* were any. |
| 644 |
|
* |
| 645 |
|
*---------------------------------------------------------------------- |
| 646 |
|
*/ |
| 647 |
|
|
| 648 |
|
static int |
| 649 |
|
ConfigureFrame(interp, framePtr, objc, objv, flags) |
| 650 |
|
Tcl_Interp *interp; /* Used for error reporting. */ |
| 651 |
|
register Frame *framePtr; /* Information about widget; may or may |
| 652 |
|
* not already have values for some fields. */ |
| 653 |
|
int objc; /* Number of valid entries in objv. */ |
| 654 |
|
Tcl_Obj *CONST objv[]; /* Arguments. */ |
| 655 |
|
int flags; /* Flags to pass to Tk_ConfigureWidget. */ |
| 656 |
|
{ |
| 657 |
|
char *oldMenuName; |
| 658 |
|
|
| 659 |
|
/* |
| 660 |
|
* Need the old menubar name for the menu code to delete it. |
| 661 |
|
*/ |
| 662 |
|
|
| 663 |
|
if (framePtr->menuName == NULL) { |
| 664 |
|
oldMenuName = NULL; |
| 665 |
|
} else { |
| 666 |
|
oldMenuName = ckalloc(strlen(framePtr->menuName) + 1); |
| 667 |
|
strcpy(oldMenuName, framePtr->menuName); |
| 668 |
|
} |
| 669 |
|
|
| 670 |
|
if (Tk_ConfigureWidget(interp, framePtr->tkwin, configSpecs, |
| 671 |
|
objc, (char **) objv, (char *) framePtr, |
| 672 |
|
flags | framePtr->mask | TK_CONFIG_OBJS) != TCL_OK) { |
| 673 |
|
return TCL_ERROR; |
| 674 |
|
} |
| 675 |
|
|
| 676 |
|
if (((oldMenuName == NULL) && (framePtr->menuName != NULL)) |
| 677 |
|
|| ((oldMenuName != NULL) && (framePtr->menuName == NULL)) |
| 678 |
|
|| ((oldMenuName != NULL) && (framePtr->menuName != NULL) |
| 679 |
|
&& strcmp(oldMenuName, framePtr->menuName) != 0)) { |
| 680 |
|
TkSetWindowMenuBar(interp, framePtr->tkwin, oldMenuName, |
| 681 |
|
framePtr->menuName); |
| 682 |
|
} |
| 683 |
|
|
| 684 |
|
if (framePtr->border != NULL) { |
| 685 |
|
Tk_SetBackgroundFromBorder(framePtr->tkwin, framePtr->border); |
| 686 |
|
} else { |
| 687 |
|
Tk_SetWindowBackgroundPixmap(framePtr->tkwin, None); |
| 688 |
|
} |
| 689 |
|
|
| 690 |
|
if (framePtr->highlightWidth < 0) { |
| 691 |
|
framePtr->highlightWidth = 0; |
| 692 |
|
} |
| 693 |
|
Tk_SetInternalBorder(framePtr->tkwin, |
| 694 |
|
framePtr->borderWidth + framePtr->highlightWidth); |
| 695 |
|
if ((framePtr->width > 0) || (framePtr->height > 0)) { |
| 696 |
|
Tk_GeometryRequest(framePtr->tkwin, framePtr->width, |
| 697 |
|
framePtr->height); |
| 698 |
|
} |
| 699 |
|
|
| 700 |
|
if (oldMenuName != NULL) { |
| 701 |
|
ckfree(oldMenuName); |
| 702 |
|
} |
| 703 |
|
|
| 704 |
|
if (Tk_IsMapped(framePtr->tkwin)) { |
| 705 |
|
if (!(framePtr->flags & REDRAW_PENDING)) { |
| 706 |
|
Tcl_DoWhenIdle(DisplayFrame, (ClientData) framePtr); |
| 707 |
|
} |
| 708 |
|
framePtr->flags |= REDRAW_PENDING; |
| 709 |
|
} |
| 710 |
|
return TCL_OK; |
| 711 |
|
} |
| 712 |
|
|
| 713 |
|
/* |
| 714 |
|
*---------------------------------------------------------------------- |
| 715 |
|
* |
| 716 |
|
* DisplayFrame -- |
| 717 |
|
* |
| 718 |
|
* This procedure is invoked to display a frame widget. |
| 719 |
|
* |
| 720 |
|
* Results: |
| 721 |
|
* None. |
| 722 |
|
* |
| 723 |
|
* Side effects: |
| 724 |
|
* Commands are output to X to display the frame in its |
| 725 |
|
* current mode. |
| 726 |
|
* |
| 727 |
|
*---------------------------------------------------------------------- |
| 728 |
|
*/ |
| 729 |
|
|
| 730 |
|
static void |
| 731 |
|
DisplayFrame(clientData) |
| 732 |
|
ClientData clientData; /* Information about widget. */ |
| 733 |
|
{ |
| 734 |
|
register Frame *framePtr = (Frame *) clientData; |
| 735 |
|
register Tk_Window tkwin = framePtr->tkwin; |
| 736 |
|
void (* drawFunction) _ANSI_ARGS_((Tk_Window, Drawable, Tk_3DBorder, |
| 737 |
|
int, int, int, int, int, int)) = Tk_Fill3DRectangle; |
| 738 |
|
|
| 739 |
|
framePtr->flags &= ~REDRAW_PENDING; |
| 740 |
|
if ((framePtr->tkwin == NULL) || !Tk_IsMapped(tkwin) |
| 741 |
|
|| framePtr->isContainer) { |
| 742 |
|
return; |
| 743 |
|
} |
| 744 |
|
|
| 745 |
|
if (framePtr->border != NULL) { |
| 746 |
|
drawFunction(tkwin, Tk_WindowId(tkwin), |
| 747 |
|
framePtr->border, framePtr->highlightWidth, |
| 748 |
|
framePtr->highlightWidth, |
| 749 |
|
Tk_Width(tkwin) - 2*framePtr->highlightWidth, |
| 750 |
|
Tk_Height(tkwin) - 2*framePtr->highlightWidth, |
| 751 |
|
framePtr->borderWidth, framePtr->relief); |
| 752 |
|
} |
| 753 |
|
if (framePtr->highlightWidth != 0) { |
| 754 |
|
GC fgGC, bgGC; |
| 755 |
|
|
| 756 |
|
bgGC = Tk_GCForColor(framePtr->highlightBgColorPtr, |
| 757 |
|
Tk_WindowId(tkwin)); |
| 758 |
|
if (framePtr->flags & GOT_FOCUS) { |
| 759 |
|
fgGC = Tk_GCForColor(framePtr->highlightColorPtr, |
| 760 |
|
Tk_WindowId(tkwin)); |
| 761 |
|
TkpDrawHighlightBorder(tkwin, fgGC, bgGC, framePtr->highlightWidth, |
| 762 |
|
Tk_WindowId(tkwin)); |
| 763 |
|
} else { |
| 764 |
|
TkpDrawHighlightBorder(tkwin, bgGC, bgGC, framePtr->highlightWidth, |
| 765 |
|
Tk_WindowId(tkwin)); |
| 766 |
|
} |
| 767 |
|
} |
| 768 |
|
} |
| 769 |
|
|
| 770 |
|
/* |
| 771 |
|
*-------------------------------------------------------------- |
| 772 |
|
* |
| 773 |
|
* FrameEventProc -- |
| 774 |
|
* |
| 775 |
|
* This procedure is invoked by the Tk dispatcher on |
| 776 |
|
* structure changes to a frame. For frames with 3D |
| 777 |
|
* borders, this procedure is also invoked for exposures. |
| 778 |
|
* |
| 779 |
|
* Results: |
| 780 |
|
* None. |
| 781 |
|
* |
| 782 |
|
* Side effects: |
| 783 |
|
* When the window gets deleted, internal structures get |
| 784 |
|
* cleaned up. When it gets exposed, it is redisplayed. |
| 785 |
|
* |
| 786 |
|
*-------------------------------------------------------------- |
| 787 |
|
*/ |
| 788 |
|
|
| 789 |
|
static void |
| 790 |
|
FrameEventProc(clientData, eventPtr) |
| 791 |
|
ClientData clientData; /* Information about window. */ |
| 792 |
|
register XEvent *eventPtr; /* Information about event. */ |
| 793 |
|
{ |
| 794 |
|
register Frame *framePtr = (Frame *) clientData; |
| 795 |
|
|
| 796 |
|
if (((eventPtr->type == Expose) && (eventPtr->xexpose.count == 0)) |
| 797 |
|
|| (eventPtr->type == ConfigureNotify)) { |
| 798 |
|
goto redraw; |
| 799 |
|
} else if (eventPtr->type == DestroyNotify) { |
| 800 |
|
if (framePtr->menuName != NULL) { |
| 801 |
|
TkSetWindowMenuBar(framePtr->interp, framePtr->tkwin, |
| 802 |
|
framePtr->menuName, NULL); |
| 803 |
|
ckfree(framePtr->menuName); |
| 804 |
|
framePtr->menuName = NULL; |
| 805 |
|
} |
| 806 |
|
if (framePtr->tkwin != NULL) { |
| 807 |
|
|
| 808 |
|
/* |
| 809 |
|
* If this window is a container, then this event could be |
| 810 |
|
* coming from the embedded application, in which case |
| 811 |
|
* Tk_DestroyWindow hasn't been called yet. When Tk_DestroyWindow |
| 812 |
|
* is called later, then another destroy event will be generated. |
| 813 |
|
* We need to be sure we ignore the second event, since the frame |
| 814 |
|
* could be gone by then. To do so, delete the event handler |
| 815 |
|
* explicitly (normally it's done implicitly by Tk_DestroyWindow). |
| 816 |
|
*/ |
| 817 |
|
|
| 818 |
|
Tk_DeleteEventHandler(framePtr->tkwin, |
| 819 |
|
ExposureMask|StructureNotifyMask|FocusChangeMask, |
| 820 |
|
FrameEventProc, (ClientData) framePtr); |
| 821 |
|
framePtr->tkwin = NULL; |
| 822 |
|
Tcl_DeleteCommandFromToken(framePtr->interp, framePtr->widgetCmd); |
| 823 |
|
} |
| 824 |
|
if (framePtr->flags & REDRAW_PENDING) { |
| 825 |
|
Tcl_CancelIdleCall(DisplayFrame, (ClientData) framePtr); |
| 826 |
|
} |
| 827 |
|
Tcl_CancelIdleCall(MapFrame, (ClientData) framePtr); |
| 828 |
|
Tcl_EventuallyFree((ClientData) framePtr, DestroyFrame); |
| 829 |
|
} else if (eventPtr->type == FocusIn) { |
| 830 |
|
if (eventPtr->xfocus.detail != NotifyInferior) { |
| 831 |
|
framePtr->flags |= GOT_FOCUS; |
| 832 |
|
if (framePtr->highlightWidth > 0) { |
| 833 |
|
goto redraw; |
| 834 |
|
} |
| 835 |
|
} |
| 836 |
|
} else if (eventPtr->type == FocusOut) { |
| 837 |
|
if (eventPtr->xfocus.detail != NotifyInferior) { |
| 838 |
|
framePtr->flags &= ~GOT_FOCUS; |
| 839 |
|
if (framePtr->highlightWidth > 0) { |
| 840 |
|
goto redraw; |
| 841 |
|
} |
| 842 |
|
} |
| 843 |
|
} else if (eventPtr->type == ActivateNotify) { |
| 844 |
|
TkpSetMainMenubar(framePtr->interp, framePtr->tkwin, |
| 845 |
|
framePtr->menuName); |
| 846 |
|
} |
| 847 |
|
return; |
| 848 |
|
|
| 849 |
|
redraw: |
| 850 |
|
if ((framePtr->tkwin != NULL) && !(framePtr->flags & REDRAW_PENDING)) { |
| 851 |
|
Tcl_DoWhenIdle(DisplayFrame, (ClientData) framePtr); |
| 852 |
|
framePtr->flags |= REDRAW_PENDING; |
| 853 |
|
} |
| 854 |
|
} |
| 855 |
|
|
| 856 |
|
/* |
| 857 |
|
*---------------------------------------------------------------------- |
| 858 |
|
* |
| 859 |
|
* FrameCmdDeletedProc -- |
| 860 |
|
* |
| 861 |
|
* This procedure is invoked when a widget command is deleted. If |
| 862 |
|
* the widget isn't already in the process of being destroyed, |
| 863 |
|
* this command destroys it. |
| 864 |
|
* |
| 865 |
|
* Results: |
| 866 |
|
* None. |
| 867 |
|
* |
| 868 |
|
* Side effects: |
| 869 |
|
* The widget is destroyed. |
| 870 |
|
* |
| 871 |
|
*---------------------------------------------------------------------- |
| 872 |
|
*/ |
| 873 |
|
|
| 874 |
|
static void |
| 875 |
|
FrameCmdDeletedProc(clientData) |
| 876 |
|
ClientData clientData; /* Pointer to widget record for widget. */ |
| 877 |
|
{ |
| 878 |
|
Frame *framePtr = (Frame *) clientData; |
| 879 |
|
Tk_Window tkwin = framePtr->tkwin; |
| 880 |
|
|
| 881 |
|
if (framePtr->menuName != NULL) { |
| 882 |
|
TkSetWindowMenuBar(framePtr->interp, framePtr->tkwin, |
| 883 |
|
framePtr->menuName, NULL); |
| 884 |
|
ckfree(framePtr->menuName); |
| 885 |
|
framePtr->menuName = NULL; |
| 886 |
|
} |
| 887 |
|
|
| 888 |
|
/* |
| 889 |
|
* This procedure could be invoked either because the window was |
| 890 |
|
* destroyed and the command was then deleted (in which case tkwin |
| 891 |
|
* is NULL) or because the command was deleted, and then this procedure |
| 892 |
|
* destroys the widget. |
| 893 |
|
*/ |
| 894 |
|
|
| 895 |
|
if (tkwin != NULL) { |
| 896 |
|
framePtr->tkwin = NULL; |
| 897 |
|
Tk_DestroyWindow(tkwin); |
| 898 |
|
} |
| 899 |
|
} |
| 900 |
|
|
| 901 |
|
/* |
| 902 |
|
*---------------------------------------------------------------------- |
| 903 |
|
* |
| 904 |
|
* MapFrame -- |
| 905 |
|
* |
| 906 |
|
* This procedure is invoked as a when-idle handler to map a |
| 907 |
|
* newly-created top-level frame. |
| 908 |
|
* |
| 909 |
|
* Results: |
| 910 |
|
* None. |
| 911 |
|
* |
| 912 |
|
* Side effects: |
| 913 |
|
* The frame given by the clientData argument is mapped. |
| 914 |
|
* |
| 915 |
|
*---------------------------------------------------------------------- |
| 916 |
|
*/ |
| 917 |
|
|
| 918 |
|
static void |
| 919 |
|
MapFrame(clientData) |
| 920 |
|
ClientData clientData; /* Pointer to frame structure. */ |
| 921 |
|
{ |
| 922 |
|
Frame *framePtr = (Frame *) clientData; |
| 923 |
|
|
| 924 |
|
/* |
| 925 |
|
* Wait for all other background events to be processed before |
| 926 |
|
* mapping window. This ensures that the window's correct geometry |
| 927 |
|
* will have been determined before it is first mapped, so that the |
| 928 |
|
* window manager doesn't get a false idea of its desired geometry. |
| 929 |
|
*/ |
| 930 |
|
|
| 931 |
|
Tcl_Preserve((ClientData) framePtr); |
| 932 |
|
while (1) { |
| 933 |
|
if (Tcl_DoOneEvent(TCL_IDLE_EVENTS) == 0) { |
| 934 |
|
break; |
| 935 |
|
} |
| 936 |
|
|
| 937 |
|
/* |
| 938 |
|
* After each event, make sure that the window still exists |
| 939 |
|
* and quit if the window has been destroyed. |
| 940 |
|
*/ |
| 941 |
|
|
| 942 |
|
if (framePtr->tkwin == NULL) { |
| 943 |
|
Tcl_Release((ClientData) framePtr); |
| 944 |
|
return; |
| 945 |
|
} |
| 946 |
|
} |
| 947 |
|
Tk_MapWindow(framePtr->tkwin); |
| 948 |
|
Tcl_Release((ClientData) framePtr); |
| 949 |
|
} |
| 950 |
|
|
| 951 |
|
/* |
| 952 |
|
*-------------------------------------------------------------- |
| 953 |
|
* |
| 954 |
|
* TkInstallFrameMenu -- |
| 955 |
|
* |
| 956 |
|
* This function is needed when a Windows HWND is created |
| 957 |
|
* and a menubar has been set to the window with a system |
| 958 |
|
* menu. It notifies the menu package so that the system |
| 959 |
|
* menu can be rebuilt. |
| 960 |
|
* |
| 961 |
|
* Results: |
| 962 |
|
* None. |
| 963 |
|
* |
| 964 |
|
* Side effects: |
| 965 |
|
* The system menu (if any) is created for the menubar |
| 966 |
|
* associated with this frame. |
| 967 |
|
* |
| 968 |
|
*-------------------------------------------------------------- |
| 969 |
|
*/ |
| 970 |
|
|
| 971 |
|
void |
| 972 |
|
TkInstallFrameMenu(tkwin) |
| 973 |
|
Tk_Window tkwin; /* The window that was just created. */ |
| 974 |
|
{ |
| 975 |
|
TkWindow *winPtr = (TkWindow *) tkwin; |
| 976 |
|
|
| 977 |
|
if (winPtr->mainPtr != NULL) { |
| 978 |
|
Frame *framePtr; |
| 979 |
|
framePtr = (Frame*) winPtr->instanceData; |
| 980 |
|
if (framePtr == NULL) { |
| 981 |
|
panic("TkInstallFrameMenu couldn't get frame pointer"); |
| 982 |
|
} |
| 983 |
|
TkpMenuNotifyToplevelCreate(winPtr->mainPtr->interp, |
| 984 |
|
framePtr->menuName); |
| 985 |
|
} |
| 986 |
|
} |
| 987 |
|
|
| 988 |
|
/* End of tkframe.c */ |
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