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ckMenu.c
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ckMenu.c
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/*
* ckMenu.c --
*
* This module implements menus for the toolkit. The menus
* support normal button entries, plus check buttons, radio
* buttons, iconic forms of all of the above, and separator
* entries.
*
* Copyright (c) 1990-1994 The Regents of the University of California.
* Copyright (c) 1994-1995 Sun Microsystems, Inc.
* Copyright (c) 1995 Christian Werner
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
#include "ckPort.h"
#include "ck.h"
#include "default.h"
#ifdef __WIN32__
#define DestroyMenu CkDestroyMenu
#endif
/*
* One of the following data structures is kept for each entry of each
* menu managed by this file:
*/
typedef struct MenuEntry {
int type; /* Type of menu entry; see below for
* valid types. */
struct Menu *menuPtr; /* Menu with which this entry is associated. */
char *label; /* Main text label displayed in entry (NULL
* if no label). Malloc'ed. */
int labelLength; /* Number of non-NULL characters in label. */
int underline; /* Index of character to underline. */
char *accel; /* Accelerator string displayed at right
* of menu entry. NULL means no such
* accelerator. Malloc'ed. */
int accelLength; /* Number of non-NULL characters in
* accelerator. */
/*
* Information related to displaying entry:
*/
Ck_Uid state; /* State of button for display purposes:
* normal, active, or disabled. */
int y; /* Y-coordinate of entry. */
int indicatorOn; /* True means draw indicator, false means
* don't draw it. */
int normalBg;
int normalFg;
int normalAttr;
int activeBg;
int activeFg;
int activeAttr;
int disabledBg;
int disabledFg;
int disabledAttr;
int underlineFg;
int underlineAttr;
int indicatorFg;
/*
* Information used to implement this entry's action:
*/
char *command; /* Command to invoke when entry is invoked.
* Malloc'ed. */
char *name; /* Name of variable (for check buttons and
* radio buttons) or menu (for cascade
* entries). Malloc'ed.*/
char *onValue; /* Value to store in variable when selected
* (only for radio and check buttons).
* Malloc'ed. */
char *offValue; /* Value to store in variable when not
* selected (only for check buttons).
* Malloc'ed. */
/*
* Miscellaneous information:
*/
int flags; /* Various flags. See below for definitions. */
} MenuEntry;
/*
* Flag values defined for menu entries:
*
* ENTRY_SELECTED: Non-zero means this is a radio or check
* button and that it should be drawn in
* the "selected" state.
* ENTRY_NEEDS_REDISPLAY: Non-zero means the entry should be redisplayed.
*/
#define ENTRY_SELECTED 1
#define ENTRY_NEEDS_REDISPLAY 4
/*
* Types defined for MenuEntries:
*/
#define COMMAND_ENTRY 0
#define SEPARATOR_ENTRY 1
#define CHECK_BUTTON_ENTRY 2
#define RADIO_BUTTON_ENTRY 3
#define CASCADE_ENTRY 4
/*
* Mask bits for above types:
*/
#define COMMAND_MASK CK_CONFIG_USER_BIT
#define SEPARATOR_MASK (CK_CONFIG_USER_BIT << 1)
#define CHECK_BUTTON_MASK (CK_CONFIG_USER_BIT << 2)
#define RADIO_BUTTON_MASK (CK_CONFIG_USER_BIT << 3)
#define CASCADE_MASK (CK_CONFIG_USER_BIT << 4)
#define ALL_MASK (COMMAND_MASK | SEPARATOR_MASK \
| CHECK_BUTTON_MASK | RADIO_BUTTON_MASK | CASCADE_MASK)
/*
* Configuration specs for individual menu entries:
*/
static Ck_ConfigSpec entryConfigSpecs[] = {
{CK_CONFIG_ATTR, "-activeattributes", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_ACTIVE_ATTR, Ck_Offset(MenuEntry, activeAttr),
COMMAND_MASK|CHECK_BUTTON_MASK|RADIO_BUTTON_MASK|CASCADE_MASK
|CK_CONFIG_DONT_SET_DEFAULT},
{CK_CONFIG_COLOR, "-activebackground", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_ACTIVE_BG, Ck_Offset(MenuEntry, activeBg),
COMMAND_MASK|CHECK_BUTTON_MASK|RADIO_BUTTON_MASK|CASCADE_MASK
|CK_CONFIG_DONT_SET_DEFAULT},
{CK_CONFIG_COLOR, "-activeforeground", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_ACTIVE_FG, Ck_Offset(MenuEntry, activeFg),
COMMAND_MASK|CHECK_BUTTON_MASK|RADIO_BUTTON_MASK|CASCADE_MASK
|CK_CONFIG_DONT_SET_DEFAULT},
{CK_CONFIG_STRING, "-accelerator", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_ACCELERATOR, Ck_Offset(MenuEntry, accel),
COMMAND_MASK|CHECK_BUTTON_MASK|RADIO_BUTTON_MASK|CASCADE_MASK
|CK_CONFIG_NULL_OK},
{CK_CONFIG_ATTR, "-attributes", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_ATTR, Ck_Offset(MenuEntry, normalAttr),
COMMAND_MASK|CHECK_BUTTON_MASK|RADIO_BUTTON_MASK|CASCADE_MASK
|CK_CONFIG_DONT_SET_DEFAULT},
{CK_CONFIG_COLOR, "-background", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_BG, Ck_Offset(MenuEntry, normalBg),
COMMAND_MASK|CHECK_BUTTON_MASK|RADIO_BUTTON_MASK|CASCADE_MASK
|CK_CONFIG_DONT_SET_DEFAULT},
{CK_CONFIG_STRING, "-command", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_COMMAND, Ck_Offset(MenuEntry, command),
COMMAND_MASK|CHECK_BUTTON_MASK|RADIO_BUTTON_MASK|CASCADE_MASK
|CK_CONFIG_NULL_OK},
{CK_CONFIG_COLOR, "-foreground", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_FG, Ck_Offset(MenuEntry, normalFg),
COMMAND_MASK|CHECK_BUTTON_MASK|RADIO_BUTTON_MASK|CASCADE_MASK
|CK_CONFIG_NULL_OK},
{CK_CONFIG_BOOLEAN, "-indicatoron", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_INDICATOR, Ck_Offset(MenuEntry, indicatorOn),
CHECK_BUTTON_MASK|RADIO_BUTTON_MASK|CK_CONFIG_DONT_SET_DEFAULT},
{CK_CONFIG_STRING, "-label", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_LABEL, Ck_Offset(MenuEntry, label),
COMMAND_MASK|CHECK_BUTTON_MASK|RADIO_BUTTON_MASK|CASCADE_MASK},
{CK_CONFIG_STRING, "-menu", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_MENU, Ck_Offset(MenuEntry, name),
CASCADE_MASK|CK_CONFIG_NULL_OK},
{CK_CONFIG_STRING, "-offvalue", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_OFF_VALUE, Ck_Offset(MenuEntry, offValue),
CHECK_BUTTON_MASK},
{CK_CONFIG_STRING, "-onvalue", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_ON_VALUE, Ck_Offset(MenuEntry, onValue),
CHECK_BUTTON_MASK},
{CK_CONFIG_COLOR, "-selectcolor", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_SELECT, Ck_Offset(MenuEntry, indicatorFg),
CHECK_BUTTON_MASK|RADIO_BUTTON_MASK|CK_CONFIG_NULL_OK},
{CK_CONFIG_UID, "-state", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_STATE, Ck_Offset(MenuEntry, state),
COMMAND_MASK|CHECK_BUTTON_MASK|RADIO_BUTTON_MASK|CASCADE_MASK
|CK_CONFIG_DONT_SET_DEFAULT},
{CK_CONFIG_STRING, "-value", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_VALUE, Ck_Offset(MenuEntry, onValue),
RADIO_BUTTON_MASK|CK_CONFIG_NULL_OK},
{CK_CONFIG_STRING, "-variable", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_CHECK_VARIABLE, Ck_Offset(MenuEntry, name),
CHECK_BUTTON_MASK|CK_CONFIG_NULL_OK},
{CK_CONFIG_STRING, "-variable", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_RADIO_VARIABLE, Ck_Offset(MenuEntry, name),
RADIO_BUTTON_MASK},
{CK_CONFIG_INT, "-underline", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_UNDERLINE, Ck_Offset(MenuEntry, underline),
COMMAND_MASK|CHECK_BUTTON_MASK|RADIO_BUTTON_MASK|CASCADE_MASK
|CK_CONFIG_DONT_SET_DEFAULT},
{CK_CONFIG_ATTR, "-underlineattributes", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_UNDERLINE, Ck_Offset(MenuEntry, underlineAttr),
COMMAND_MASK|CHECK_BUTTON_MASK|RADIO_BUTTON_MASK|CASCADE_MASK
|CK_CONFIG_DONT_SET_DEFAULT},
{CK_CONFIG_COLOR, "-underlineforeground", (char *) NULL, (char *) NULL,
DEF_MENU_ENTRY_UNDERLINE, Ck_Offset(MenuEntry, underlineFg),
COMMAND_MASK|CHECK_BUTTON_MASK|RADIO_BUTTON_MASK|CASCADE_MASK
|CK_CONFIG_DONT_SET_DEFAULT},
{CK_CONFIG_END, (char *) NULL, (char *) NULL, (char *) NULL,
(char *) NULL, 0, 0}
};
/*
* A data structure of the following type is kept for each
* menu managed by this file:
*/
typedef struct Menu {
CkWindow *winPtr; /* Window that embodies the pane. NULL
* means that the window has been destroyed
* but the data structures haven't yet been
* cleaned up.*/
Tcl_Interp *interp; /* Interpreter associated with menu. */
Tcl_Command widgetCmd; /* Token for menu's widget command. */
MenuEntry **entries; /* Array of pointers to all the entries
* in the menu. NULL means no entries. */
int numEntries; /* Number of elements in entries. */
int active; /* Index of active entry. -1 means
* nothing active. */
/*
* Information used when displaying widget:
*/
int normalBg;
int normalFg;
int normalAttr;
int activeBg;
int activeFg;
int activeAttr;
int disabledBg;
int disabledFg;
int disabledAttr;
int underlineFg;
int underlineAttr;
int indicatorFg;
CkBorder *borderPtr;
int labelWidth; /* Number of chars to allow for displaying
* labels in menu entries. */
int indicatorSpace; /* Number of chars for displaying
* indicators. */
/*
* Miscellaneous information:
*/
char *takeFocus; /* Value of -takefocus option; not used in
* the C code, but used by keyboard traversal
* scripts. Malloc'ed, but may be NULL. */
char *postCommand; /* Command to execute just before posting
* this menu, or NULL. Malloc-ed. */
MenuEntry *postedCascade; /* Points to menu entry for cascaded
* submenu that is currently posted, or
* NULL if no submenu posted. */
int flags; /* Various flags; see below for
* definitions. */
} Menu;
/*
* Flag bits for menus:
*
* REDRAW_PENDING: Non-zero means a DoWhenIdle handler
* has already been queued to redraw
* this window.
* RESIZE_PENDING: Non-zero means a call to ComputeMenuGeometry
* has already been scheduled.
*/
#define REDRAW_PENDING 1
#define RESIZE_PENDING 2
/*
* Configuration specs valid for the menu as a whole:
*/
static Ck_ConfigSpec configSpecs[] = {
{CK_CONFIG_ATTR, "-activeattributes", "activeAttributes",
"ActiveAttributes", DEF_MENU_ACTIVE_ATTR_COLOR,
Ck_Offset(Menu, activeAttr), CK_CONFIG_COLOR_ONLY},
{CK_CONFIG_ATTR, "-activeattributes", "activeAttributes",
"ActiveAttributes", DEF_MENU_ACTIVE_ATTR_MONO,
Ck_Offset(Menu, activeAttr), CK_CONFIG_MONO_ONLY},
{CK_CONFIG_COLOR, "-activebackground", "activeBackground", "Foreground",
DEF_MENU_ACTIVE_BG_COLOR, Ck_Offset(Menu, activeBg),
CK_CONFIG_COLOR_ONLY},
{CK_CONFIG_COLOR, "-activebackground", "activeBackground", "Foreground",
DEF_MENU_ACTIVE_BG_MONO, Ck_Offset(Menu, activeBg),
CK_CONFIG_MONO_ONLY},
{CK_CONFIG_COLOR, "-activeforeground", "activeForeground", "Background",
DEF_MENU_ACTIVE_FG_COLOR, Ck_Offset(Menu, activeFg),
CK_CONFIG_COLOR_ONLY},
{CK_CONFIG_COLOR, "-activeforeground", "activeForeground", "Background",
DEF_MENU_ACTIVE_FG_MONO, Ck_Offset(Menu, activeFg),
CK_CONFIG_MONO_ONLY},
{CK_CONFIG_ATTR, "-attributes", "attributes", "Attributes",
DEF_MENU_ATTR, Ck_Offset(Menu, normalAttr), 0},
{CK_CONFIG_COLOR, "-background", "background", "Background",
DEF_MENU_BG_COLOR, Ck_Offset(Menu, normalBg), CK_CONFIG_COLOR_ONLY},
{CK_CONFIG_COLOR, "-background", "background", "Background",
DEF_MENU_BG_MONO, Ck_Offset(Menu, normalBg), CK_CONFIG_MONO_ONLY},
{CK_CONFIG_SYNONYM, "-bg", "background", (char *) NULL,
(char *) NULL, 0, 0},
{CK_CONFIG_BORDER, "-border", "border", "Border",
DEF_MENU_BORDER, Ck_Offset(Menu, borderPtr), CK_CONFIG_NULL_OK},
{CK_CONFIG_ATTR, "-disabledattributes", "disabledAttributes",
"DisabledAttributes", DEF_MENU_DISABLED_ATTR,
Ck_Offset(Menu, disabledAttr), 0},
{CK_CONFIG_COLOR, "-disabledbackground", "disabledBackground",
"Foreground", DEF_MENU_DISABLED_BG_COLOR,
Ck_Offset(Menu, disabledBg), CK_CONFIG_COLOR_ONLY|CK_CONFIG_NULL_OK},
{CK_CONFIG_COLOR, "-disabledbackground", "disabledBackground",
"Foreground", DEF_MENU_DISABLED_BG_MONO,
Ck_Offset(Menu, disabledBg), CK_CONFIG_MONO_ONLY|CK_CONFIG_NULL_OK},
{CK_CONFIG_COLOR, "-disabledforeground", "disabledForeground",
"DisabledForeground", DEF_MENU_DISABLED_FG_COLOR,
Ck_Offset(Menu, disabledFg), CK_CONFIG_COLOR_ONLY|CK_CONFIG_NULL_OK},
{CK_CONFIG_COLOR, "-disabledforeground", "disabledForeground",
"DisabledForeground", DEF_MENU_DISABLED_FG_MONO,
Ck_Offset(Menu, disabledFg), CK_CONFIG_MONO_ONLY|CK_CONFIG_NULL_OK},
{CK_CONFIG_SYNONYM, "-fg", "foreground", (char *) NULL,
(char *) NULL, 0, 0},
{CK_CONFIG_COLOR, "-foreground", "foreground", "Foreground",
DEF_MENU_FG, Ck_Offset(Menu, normalFg), 0},
{CK_CONFIG_STRING, "-postcommand", "postCommand", "Command",
DEF_MENU_POST_COMMAND, Ck_Offset(Menu, postCommand),
CK_CONFIG_NULL_OK},
{CK_CONFIG_COLOR, "-selectcolor", "selectColor", "Background",
DEF_MENU_SELECT_COLOR, Ck_Offset(Menu, indicatorFg),
CK_CONFIG_COLOR_ONLY},
{CK_CONFIG_COLOR, "-selectcolor", "selectColor", "Background",
DEF_MENU_SELECT_MONO, Ck_Offset(Menu, indicatorFg),
CK_CONFIG_MONO_ONLY},
{CK_CONFIG_STRING, "-takefocus", "takeFocus", "TakeFocus",
DEF_MENU_TAKE_FOCUS, Ck_Offset(Menu, takeFocus), CK_CONFIG_NULL_OK},
{CK_CONFIG_ATTR, "-underlineattributes", "underlineAttributes",
"UnderlineAttributes", DEF_MENU_UNDERLINE_ATTR,
Ck_Offset(Menu, underlineAttr), CK_CONFIG_NULL_OK},
{CK_CONFIG_COLOR, "-underlineforeground", "underlineForeground",
"UnderlineForeground", DEF_MENU_UNDERLINE_FG_COLOR,
Ck_Offset(Menu, underlineFg), CK_CONFIG_COLOR_ONLY|CK_CONFIG_NULL_OK},
{CK_CONFIG_COLOR, "-underlineforeground", "underlineForeground",
"UnderlineForeground", DEF_MENU_UNDERLINE_FG_MONO,
Ck_Offset(Menu, underlineFg), CK_CONFIG_MONO_ONLY|CK_CONFIG_NULL_OK},
{CK_CONFIG_END, (char *) NULL, (char *) NULL, (char *) NULL,
(char *) NULL, 0, 0}
};
/*
* Forward declarations for procedures defined later in this file:
*/
static int ActivateMenuEntry _ANSI_ARGS_((Menu *menuPtr,
int index));
static void ComputeMenuGeometry _ANSI_ARGS_((
ClientData clientData));
static int ConfigureMenu _ANSI_ARGS_((Tcl_Interp *interp,
Menu *menuPtr, int argc, char **argv,
int flags));
static int ConfigureMenuEntry _ANSI_ARGS_((Tcl_Interp *interp,
Menu *menuPtr, MenuEntry *mePtr, int index,
int argc, char **argv, int flags));
static void DestroyMenu _ANSI_ARGS_((ClientData clientData));
static void DestroyMenuEntry _ANSI_ARGS_((ClientData clientData));
static void DisplayMenu _ANSI_ARGS_((ClientData clientData));
static void EventuallyRedrawMenu _ANSI_ARGS_((Menu *menuPtr,
MenuEntry *mePtr));
static int GetMenuIndex _ANSI_ARGS_((Tcl_Interp *interp,
Menu *menuPtr, char *string, int lastOK,
int *indexPtr));
static int MenuAddOrInsert _ANSI_ARGS_((Tcl_Interp *interp,
Menu *menuPtr, char *indexString, int argc,
char **argv));
static void MenuCmdDeletedProc _ANSI_ARGS_((
ClientData clientData));
static void MenuEventProc _ANSI_ARGS_((ClientData clientData,
CkEvent *eventPtr));
static MenuEntry * MenuNewEntry _ANSI_ARGS_((Menu *menuPtr, int index,
int type));
static char * MenuVarProc _ANSI_ARGS_((ClientData clientData,
Tcl_Interp *interp, char *name1, char *name2,
int flags));
static int MenuWidgetCmd _ANSI_ARGS_((ClientData clientData,
Tcl_Interp *interp, int argc, char **argv));
static int PostSubmenu _ANSI_ARGS_((Tcl_Interp *interp,
Menu *menuPtr, MenuEntry *mePtr));
/*
*--------------------------------------------------------------
*
* Ck_MenuCmd --
*
* This procedure is invoked to process the "menu" Tcl
* command. See the user documentation for details on
* what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*--------------------------------------------------------------
*/
int
Ck_MenuCmd(clientData, interp, argc, argv)
ClientData clientData; /* Main window associated with
* interpreter. */
Tcl_Interp *interp; /* Current interpreter. */
int argc; /* Number of arguments. */
char **argv; /* Argument strings. */
{
CkWindow *mainPtr = (CkWindow *) clientData;
CkWindow *new;
register Menu *menuPtr;
if (argc < 2) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " pathName ?options?\"", (char *) NULL);
return TCL_ERROR;
}
/*
* Create the new window.
*/
new = Ck_CreateWindowFromPath(interp, mainPtr, argv[1], 1);
if (new == NULL) {
return TCL_ERROR;
}
/*
* Initialize the data structure for the menu.
*/
menuPtr = (Menu *) ckalloc(sizeof(Menu));
menuPtr->winPtr = new;
menuPtr->interp = interp;
menuPtr->widgetCmd = Tcl_CreateCommand(interp,
menuPtr->winPtr->pathName, MenuWidgetCmd,
(ClientData) menuPtr, MenuCmdDeletedProc);
menuPtr->entries = NULL;
menuPtr->numEntries = 0;
menuPtr->active = -1;
menuPtr->normalBg = 0;
menuPtr->normalFg = 0;
menuPtr->normalAttr = 0;
menuPtr->activeBg = 0;
menuPtr->activeFg = 0;
menuPtr->activeAttr = 0;
menuPtr->disabledBg = 0;
menuPtr->disabledFg = 0;
menuPtr->disabledAttr = 0;
menuPtr->underlineFg = 0;
menuPtr->underlineAttr = 0;
menuPtr->indicatorFg = 0;
menuPtr->borderPtr = NULL;
menuPtr->labelWidth = 0;
menuPtr->takeFocus = NULL;
menuPtr->postCommand = NULL;
menuPtr->postedCascade = NULL;
menuPtr->flags = 0;
Ck_SetClass(new, "Menu");
Ck_CreateEventHandler(menuPtr->winPtr,
CK_EV_MAP | CK_EV_EXPOSE | CK_EV_DESTROY,
MenuEventProc, (ClientData) menuPtr);
if (ConfigureMenu(interp, menuPtr, argc-2, argv+2, 0) != TCL_OK) {
goto error;
}
Tcl_SetObjResult(interp, Tcl_NewStringObj(menuPtr->winPtr->pathName, -1));
return TCL_OK;
error:
Ck_DestroyWindow(menuPtr->winPtr);
return TCL_ERROR;
}
/*
*--------------------------------------------------------------
*
* MenuWidgetCmd --
*
* This procedure is invoked to process the Tcl command
* that corresponds to a widget managed by this module.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*--------------------------------------------------------------
*/
static int
MenuWidgetCmd(clientData, interp, argc, argv)
ClientData clientData; /* Information about menu widget. */
Tcl_Interp *interp; /* Current interpreter. */
int argc; /* Number of arguments. */
char **argv; /* Argument strings. */
{
register Menu *menuPtr = (Menu *) clientData;
register MenuEntry *mePtr;
int result = TCL_OK;
size_t length;
int c;
if (argc < 2) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " option ?arg arg ...?\"", (char *) NULL);
return TCL_ERROR;
}
Ck_Preserve((ClientData) menuPtr);
c = argv[1][0];
length = strlen(argv[1]);
if ((c == 'a') && (strncmp(argv[1], "activate", length) == 0)
&& (length >= 2)) {
int index;
if (argc != 3) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " activate index\"", (char *) NULL);
goto error;
}
if (GetMenuIndex(interp, menuPtr, argv[2], 0, &index) != TCL_OK) {
goto error;
}
if (menuPtr->active == index) {
goto done;
}
if (index >= 0) {
if ((menuPtr->entries[index]->type == SEPARATOR_ENTRY)
|| (menuPtr->entries[index]->state == ckDisabledUid)) {
index = -1;
}
}
result = ActivateMenuEntry(menuPtr, index);
} else if ((c == 'a') && (strncmp(argv[1], "add", length) == 0)
&& (length >= 2)) {
if (argc < 3) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " add type ?options?\"", (char *) NULL);
goto error;
}
if (MenuAddOrInsert(interp, menuPtr, (char *) NULL,
argc-2, argv+2) != TCL_OK) {
goto error;
}
} else if ((c == 'c') && (strncmp(argv[1], "cget", length) == 0)
&& (length >= 2)) {
if (argc != 3) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " cget option\"",
(char *) NULL);
goto error;
}
result = Ck_ConfigureValue(interp, menuPtr->winPtr, configSpecs,
(char *) menuPtr, argv[2], 0);
} else if ((c == 'c') && (strncmp(argv[1], "configure", length) == 0)
&& (length >= 2)) {
if (argc == 2) {
result = Ck_ConfigureInfo(interp, menuPtr->winPtr, configSpecs,
(char *) menuPtr, (char *) NULL, 0);
} else if (argc == 3) {
result = Ck_ConfigureInfo(interp, menuPtr->winPtr, configSpecs,
(char *) menuPtr, argv[2], 0);
} else {
result = ConfigureMenu(interp, menuPtr, argc-2, argv+2,
CK_CONFIG_ARGV_ONLY);
}
} else if ((c == 'd') && (strncmp(argv[1], "delete", length) == 0)) {
int first, last, i, numDeleted;
if ((argc != 3) && (argc != 4)) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " delete first ?last?\"", (char *) NULL);
goto error;
}
if (GetMenuIndex(interp, menuPtr, argv[2], 0, &first) != TCL_OK) {
goto error;
}
if (argc == 3) {
last = first;
} else {
if (GetMenuIndex(interp, menuPtr, argv[3], 0, &last) != TCL_OK) {
goto error;
}
}
if ((first < 0) || (last < first)) {
goto done;
}
numDeleted = last + 1 - first;
for (i = first; i <= last; i++) {
Ck_EventuallyFree((ClientData) menuPtr->entries[i],
(Ck_FreeProc *) DestroyMenuEntry);
}
for (i = last+1; i < menuPtr->numEntries; i++) {
menuPtr->entries[i-numDeleted] = menuPtr->entries[i];
}
menuPtr->numEntries -= numDeleted;
if ((menuPtr->active >= first) && (menuPtr->active <= last)) {
menuPtr->active = -1;
} else if (menuPtr->active > last) {
menuPtr->active -= numDeleted;
}
if (!(menuPtr->flags & RESIZE_PENDING)) {
menuPtr->flags |= RESIZE_PENDING;
Tk_DoWhenIdle(ComputeMenuGeometry, (ClientData) menuPtr);
}
} else if ((c == 'e') && (length >= 7)
&& (strncmp(argv[1], "entrycget", length) == 0)) {
int index;
if (argc != 4) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " entrycget index option\"",
(char *) NULL);
goto error;
}
if (GetMenuIndex(interp, menuPtr, argv[2], 0, &index) != TCL_OK) {
goto error;
}
if (index < 0) {
goto done;
}
mePtr = menuPtr->entries[index];
Ck_Preserve((ClientData) mePtr);
result = Ck_ConfigureValue(interp, menuPtr->winPtr, entryConfigSpecs,
(char *) mePtr, argv[3], COMMAND_MASK << mePtr->type);
Ck_Release((ClientData) mePtr);
} else if ((c == 'e') && (length >= 7)
&& (strncmp(argv[1], "entryconfigure", length) == 0)) {
int index;
if (argc < 3) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " entryconfigure index ?option value ...?\"",
(char *) NULL);
goto error;
}
if (GetMenuIndex(interp, menuPtr, argv[2], 0, &index) != TCL_OK) {
goto error;
}
if (index < 0) {
goto done;
}
mePtr = menuPtr->entries[index];
Ck_Preserve((ClientData) mePtr);
if (argc == 3) {
result = Ck_ConfigureInfo(interp, menuPtr->winPtr,
entryConfigSpecs, (char *) mePtr, (char *) NULL,
COMMAND_MASK << mePtr->type);
} else if (argc == 4) {
result = Ck_ConfigureInfo(interp, menuPtr->winPtr,
entryConfigSpecs,
(char *) mePtr, argv[3], COMMAND_MASK << mePtr->type);
} else {
result = ConfigureMenuEntry(interp, menuPtr, mePtr, index, argc-3,
argv+3, CK_CONFIG_ARGV_ONLY | COMMAND_MASK << mePtr->type);
}
Ck_Release((ClientData) mePtr);
} else if ((c == 'i') && (strncmp(argv[1], "index", length) == 0)
&& (length >= 3)) {
int index;
if (argc != 3) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " index string\"", (char *) NULL);
goto error;
}
if (GetMenuIndex(interp, menuPtr, argv[2], 0, &index) != TCL_OK) {
goto error;
}
if (index < 0) {
Tcl_SetObjResult( interp, Tcl_NewStringObj("none",-1));
} else {
Tcl_SetObjResult( interp, Tcl_NewIntObj(index));
}
} else if ((c == 'i') && (strncmp(argv[1], "insert", length) == 0)
&& (length >= 3)) {
if (argc < 4) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " insert index type ?options?\"", (char *) NULL);
goto error;
}
if (MenuAddOrInsert(interp, menuPtr, argv[2],
argc-3, argv+3) != TCL_OK) {
goto error;
}
} else if ((c == 'i') && (strncmp(argv[1], "invoke", length) == 0)
&& (length >= 3)) {
int index;
if (argc != 3) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " invoke index\"", (char *) NULL);
goto error;
}
if (GetMenuIndex(interp, menuPtr, argv[2], 0, &index) != TCL_OK) {
goto error;
}
if (index < 0) {
goto done;
}
mePtr = menuPtr->entries[index];
if (mePtr->state == ckDisabledUid) {
goto done;
}
Ck_Preserve((ClientData) mePtr);
if (mePtr->type == CHECK_BUTTON_ENTRY) {
if (mePtr->flags & ENTRY_SELECTED) {
if (Tcl_SetVar(interp, mePtr->name, mePtr->offValue,
TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG) == NULL) {
result = TCL_ERROR;
}
} else {
if (Tcl_SetVar(interp, mePtr->name, mePtr->onValue,
TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG) == NULL) {
result = TCL_ERROR;
}
}
} else if (mePtr->type == RADIO_BUTTON_ENTRY) {
if (Tcl_SetVar(interp, mePtr->name, mePtr->onValue,
TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG) == NULL) {
result = TCL_ERROR;
}
}
if ((result == TCL_OK) && (mePtr->command != NULL)) {
result = CkCopyAndGlobalEval(interp, mePtr->command);
}
if ((result == TCL_OK) && (mePtr->type == CASCADE_ENTRY)) {
result = PostSubmenu(menuPtr->interp, menuPtr, mePtr);
}
Ck_Release((ClientData) mePtr);
} else if ((c == 'p') && (strncmp(argv[1], "post", length) == 0)
&& (length == 4)) {
int x, y, tmp;
if (argc != 4) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " post x y\"", (char *) NULL);
goto error;
}
if ((Tcl_GetInt(interp, argv[2], &x) != TCL_OK)
|| (Tcl_GetInt(interp, argv[3], &y) != TCL_OK)) {
goto error;
}
/*
* De-activate any active element.
*/
ActivateMenuEntry(menuPtr, -1);
/*
* If there is a command for the menu, execute it. This
* may change the size of the menu, so be sure to recompute
* the menu's geometry if needed.
*/
if (menuPtr->postCommand != NULL) {
result = CkCopyAndGlobalEval(menuPtr->interp,
menuPtr->postCommand);
if (result != TCL_OK) {
return result;
}
if (menuPtr->flags & RESIZE_PENDING) {
Tk_CancelIdleCall(ComputeMenuGeometry, (ClientData) menuPtr);
ComputeMenuGeometry((ClientData) menuPtr);
}
}
if (menuPtr->borderPtr != NULL)
x -= 1;
tmp = menuPtr->winPtr->mainPtr->maxWidth - menuPtr->winPtr->reqWidth;
if (x > tmp) {
x = tmp;
}
if (x < 0) {
x = 0;
}
tmp = menuPtr->winPtr->mainPtr->maxHeight - menuPtr->winPtr->reqHeight;
if (y > tmp) {
y = tmp;
}
if (y < 0) {
y = 0;
}
if (x != menuPtr->winPtr->x || y != menuPtr->winPtr->y) {
Ck_MoveWindow(menuPtr->winPtr, x, y);
}
if (menuPtr->winPtr->reqWidth != menuPtr->winPtr->width ||
menuPtr->winPtr->reqHeight != menuPtr->winPtr->reqHeight) {
Ck_ResizeWindow(menuPtr->winPtr,
menuPtr->winPtr->reqWidth, menuPtr->winPtr->reqHeight);
}
if (!(menuPtr->winPtr->flags & CK_MAPPED)) {
Ck_MapWindow(menuPtr->winPtr);
}
} else if ((c == 'p') && (strncmp(argv[1], "postcascade", length) == 0)
&& (length > 4)) {
int index;
if (argc != 3) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " postcascade index\"", (char *) NULL);
goto error;
}
if (GetMenuIndex(interp, menuPtr, argv[2], 0, &index) != TCL_OK) {
goto error;
}
if ((index < 0) || (menuPtr->entries[index]->type != CASCADE_ENTRY)) {
result = PostSubmenu(interp, menuPtr, (MenuEntry *) NULL);
} else {
result = PostSubmenu(interp, menuPtr, menuPtr->entries[index]);
}
} else if ((c == 't') && (strncmp(argv[1], "type", length) == 0)) {
int index;
if (argc != 3) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " type index\"", (char *) NULL);
goto error;
}
if (GetMenuIndex(interp, menuPtr, argv[2], 0, &index) != TCL_OK) {
goto error;
}
if (index < 0) {
goto done;
}
mePtr = menuPtr->entries[index];
switch (mePtr->type) {
case COMMAND_ENTRY:
Tcl_SetObjResult(interp, Tcl_NewStringObj("command",-1));
break;
case SEPARATOR_ENTRY:
Tcl_SetObjResult(interp, Tcl_NewStringObj("separator",-1));
break;
case CHECK_BUTTON_ENTRY:
Tcl_SetObjResult(interp, Tcl_NewStringObj("checkbutton",-1));
break;
case RADIO_BUTTON_ENTRY:
Tcl_SetObjResult(interp, Tcl_NewStringObj("radiobutton",-1));
break;
case CASCADE_ENTRY:
Tcl_SetObjResult(interp, Tcl_NewStringObj("cascade",-1));
break;
}
} else if ((c == 'u') && (strncmp(argv[1], "unpost", length) == 0)) {
if (argc != 2) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " unpost\"", (char *) NULL);
goto error;
}
Ck_UnmapWindow(menuPtr->winPtr);
if (result == TCL_OK) {
result = PostSubmenu(interp, menuPtr, (MenuEntry *) NULL);
}
} else if ((c == 'y') && (strncmp(argv[1], "yposition", length) == 0)) {
int index;
if (argc != 3) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " yposition index\"", (char *) NULL);
goto error;
}
if (GetMenuIndex(interp, menuPtr, argv[2], 0, &index) != TCL_OK) {
goto error;
}
if (index < 0) {
Tcl_SetObjResult(interp, Tcl_NewIntObj(0));
} else {
Tcl_SetObjResult(interp, Tcl_NewIntObj(menuPtr->entries[index]->y));
}
} else {
Tcl_AppendResult(interp, "bad option \"", argv[1],
"\": must be activate, add, cget, configure, delete, ",
"entrycget, entryconfigure, index, insert, invoke, ",
"post, postcascade, type, unpost, or yposition",
(char *) NULL);
goto error;
}
done:
Ck_Release((ClientData) menuPtr);
return result;
error:
Ck_Release((ClientData) menuPtr);
return TCL_ERROR;
}
/*
*----------------------------------------------------------------------
*
* DestroyMenu --
*
* This procedure is invoked by Ck_EventuallyFree or Ck_Release
* to clean up the internal structure of a menu at a safe time
* (when no-one is using it anymore).
*
* Results:
* None.
*
* Side effects:
* Everything associated with the menu is freed up.
*
*----------------------------------------------------------------------
*/
static void
DestroyMenu(clientData)
ClientData clientData; /* Info about menu widget. */
{
register Menu *menuPtr = (Menu *) clientData;
int i;
/*
* Free up all the stuff that requires special handling, then
* let Ck_FreeOptions handle all the standard option-related
* stuff.
*/
for (i = 0; i < menuPtr->numEntries; i++) {
DestroyMenuEntry((ClientData) menuPtr->entries[i]);
}
if (menuPtr->entries != NULL) {
ckfree((char *) menuPtr->entries);
}
Ck_FreeOptions(configSpecs, (char *) menuPtr, 0);
ckfree((char *) menuPtr);
}
/*
*----------------------------------------------------------------------
*
* DestroyMenuEntry --
*
* This procedure is invoked by Ck_EventuallyFree or Ck_Release
* to clean up the internal structure of a menu entry at a safe time
* (when no-one is using it anymore).
*
* Results:
* None.
*
* Side effects:
* Everything associated with the menu entry is freed up.
*
*----------------------------------------------------------------------
*/
static void
DestroyMenuEntry(clientData)
ClientData clientData; /* Pointer to entry to be freed. */
{
register MenuEntry *mePtr = (MenuEntry *) clientData;
Menu *menuPtr = mePtr->menuPtr;
/*
* Free up all the stuff that requires special handling, then
* let Ck_FreeOptions handle all the standard option-related
* stuff.
*/
if (menuPtr->postedCascade == mePtr) {
/*
* Ignore errors while unposting the menu, since it's possible
* that the menu has already been deleted and the unpost will
* generate an error.
*/
PostSubmenu(menuPtr->interp, menuPtr, (MenuEntry *) NULL);
}
if (mePtr->name != NULL) {
Tcl_UntraceVar(menuPtr->interp, mePtr->name,
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
MenuVarProc, (ClientData) mePtr);
}
Ck_FreeOptions(entryConfigSpecs, (char *) mePtr,
(COMMAND_MASK << mePtr->type));
ckfree((char *) mePtr);
}
/*
*----------------------------------------------------------------------
*
* ConfigureMenu --
*
* This procedure is called to process an argv/argc list, plus
* the option database, in order to configure (or reconfigure)
* a menu widget.
*
* Results:
* The return value is a standard Tcl result. If TCL_ERROR is
* returned, then interp->result contains an error message.