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stk/Tk/win/tkWinMenu.c

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Commit of 3.99.4 version
1999-02-02 06:13:40 -05:00
/*
* tkWinMenu.c --
*
* This module implements the Windows platform-specific features of menus.
*
* Copyright (c) 1996-1997 by Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* SCCS: @(#) tkWinMenu.c 1.102 97/10/28 13:56:58
*/
#define OEMRESOURCE
#include <string.h>
#include "tkMenu.h"
#include "tkWinInt.h"
/*
* The class of the window for popup menus.
*/
#define MENU_CLASS_NAME "MenuWindowClass"
/*
* Used to align a windows bitmap inside a rectangle
*/
#define ALIGN_BITMAP_LEFT 0x00000001
#define ALIGN_BITMAP_RIGHT 0x00000002
#define ALIGN_BITMAP_TOP 0x00000004
#define ALIGN_BITMAP_BOTTOM 0x00000008
/*
* Platform-specific menu flags:
*
* MENU_SYSTEM_MENU Non-zero means that the Windows menu handle
* was retrieved with GetSystemMenu and needs
* to be disposed of specially.
* MENU_RECONFIGURE_PENDING
* Non-zero means that an idle handler has
* been set up to reconfigure the Windows menu
* handle for this menu.
*/
#define MENU_SYSTEM_MENU MENU_PLATFORM_FLAG1
#define MENU_RECONFIGURE_PENDING MENU_PLATFORM_FLAG2
static int indicatorDimensions[2];
/* The dimensions of the indicator space
* in a menu entry. Calculated at init
* time to save time. */
static Tcl_HashTable commandTable;
/* A map of command ids to menu entries */
static int inPostMenu; /* We cannot be re-entrant like X Windows. */
static WORD lastCommandID; /* The last command ID we allocated. */
static HWND menuHWND; /* A window to service popup-menu messages
* in. */
static int oldServiceMode; /* Used while processing a menu; we need
* to set the event mode specially when we
* enter the menu processing modal loop
* and reset it when menus go away. */
static TkMenu *modalMenuPtr; /* The menu we are processing inside the modal
* loop. We need this to reset all of the
* active items when menus go away since
* Windows does not see fit to give this
* to us when it sends its WM_MENUSELECT. */
static OSVERSIONINFO versionInfo;
/* So we don't have to keep doing this */
static Tcl_HashTable winMenuTable;
/* Need this to map HMENUs back to menuPtrs */
/*
* The following are default menu value strings.
*/
static char borderString[5]; /* The string indicating how big the border is */
static Tcl_DString menuFontDString;
/* A buffer to store the default menu font
* string. */
/*
* Forward declarations for procedures defined later in this file:
*/
static void DrawMenuEntryAccelerator _ANSI_ARGS_((
TkMenu *menuPtr, TkMenuEntry *mePtr,
Drawable d, GC gc, Tk_Font tkfont,
CONST Tk_FontMetrics *fmPtr,
Tk_3DBorder activeBorder, int x, int y,
int width, int height, int drawArrow));
static void DrawMenuEntryBackground _ANSI_ARGS_((
TkMenu *menuPtr, TkMenuEntry *mePtr,
Drawable d, Tk_3DBorder activeBorder,
Tk_3DBorder bgBorder, int x, int y,
int width, int heigth));
static void DrawMenuEntryIndicator _ANSI_ARGS_((
TkMenu *menuPtr, TkMenuEntry *mePtr,
Drawable d, GC gc, GC indicatorGC,
Tk_Font tkfont,
CONST Tk_FontMetrics *fmPtr, int x, int y,
int width, int height));
static void DrawMenuEntryLabel _ANSI_ARGS_((
TkMenu * menuPtr, TkMenuEntry *mePtr, Drawable d,
GC gc, Tk_Font tkfont,
CONST Tk_FontMetrics *fmPtr, int x, int y,
int width, int height));
static void DrawMenuSeparator _ANSI_ARGS_((TkMenu *menuPtr,
TkMenuEntry *mePtr, Drawable d, GC gc,
Tk_Font tkfont, CONST Tk_FontMetrics *fmPtr,
int x, int y, int width, int height));
static void DrawTearoffEntry _ANSI_ARGS_((TkMenu *menuPtr,
TkMenuEntry *mePtr, Drawable d, GC gc,
Tk_Font tkfont, CONST Tk_FontMetrics *fmPtr,
int x, int y, int width, int height));
static void DrawMenuUnderline _ANSI_ARGS_((TkMenu *menuPtr,
TkMenuEntry *mePtr, Drawable d, GC gc,
Tk_Font tkfont, CONST Tk_FontMetrics *fmPtr, int x,
int y, int width, int height));
static void DrawWindowsSystemBitmap _ANSI_ARGS_((
Display *display, Drawable drawable,
GC gc, CONST RECT *rectPtr, int bitmapID,
int alignFlags));
static void FreeID _ANSI_ARGS_((int commandID));
static char * GetEntryText _ANSI_ARGS_((TkMenuEntry *mePtr));
static void GetMenuAccelGeometry _ANSI_ARGS_((TkMenu *menuPtr,
TkMenuEntry *mePtr, Tk_Font tkfont,
CONST Tk_FontMetrics *fmPtr, int *widthPtr,
int *heightPtr));
static void GetMenuLabelGeometry _ANSI_ARGS_((TkMenuEntry *mePtr,
Tk_Font tkfont, CONST Tk_FontMetrics *fmPtr,
int *widthPtr, int *heightPtr));
static void GetMenuIndicatorGeometry _ANSI_ARGS_((
TkMenu *menuPtr, TkMenuEntry *mePtr,
Tk_Font tkfont, CONST Tk_FontMetrics *fmPtr,
int *widthPtr, int *heightPtr));
static void GetMenuSeparatorGeometry _ANSI_ARGS_((
TkMenu *menuPtr, TkMenuEntry *mePtr,
Tk_Font tkfont, CONST Tk_FontMetrics *fmPtr,
int *widthPtr, int *heightPtr));
static void GetTearoffEntryGeometry _ANSI_ARGS_((TkMenu *menuPtr,
TkMenuEntry *mePtr, Tk_Font tkfont,
CONST Tk_FontMetrics *fmPtr, int *widthPtr,
int *heightPtr));
static int GetNewID _ANSI_ARGS_((TkMenuEntry *mePtr,
int *menuIDPtr));
static void MenuExitProc _ANSI_ARGS_((ClientData clientData));
static int MenuKeyBindProc _ANSI_ARGS_((
ClientData clientData,
Tcl_Interp *interp, XEvent *eventPtr,
Tk_Window tkwin, KeySym keySym));
static void MenuSelectEvent _ANSI_ARGS_((TkMenu *menuPtr));
static void ReconfigureWindowsMenu _ANSI_ARGS_((
ClientData clientData));
static void RecursivelyClearActiveMenu _ANSI_ARGS_((
TkMenu *menuPtr));
static LRESULT CALLBACK TkWinMenuProc _ANSI_ARGS_((HWND hwnd,
UINT message, WPARAM wParam,
LPARAM lParam));
/*
*----------------------------------------------------------------------
*
* GetNewID --
*
* Allocates a new menu id and marks it in use.
*
* Results:
* Returns TCL_OK if succesful; TCL_ERROR if there are no more
* ids of the appropriate type to allocate. menuIDPtr contains
* the new id if succesful.
*
* Side effects:
* An entry is created for the menu in the command hash table,
* and the hash entry is stored in the appropriate field in the
* menu data structure.
*
*----------------------------------------------------------------------
*/
static int
GetNewID(mePtr, menuIDPtr)
TkMenuEntry *mePtr; /* The menu we are working with */
int *menuIDPtr; /* The resulting id */
{
int found = 0;
int newEntry;
Tcl_HashEntry *commandEntryPtr;
WORD returnID;
WORD curID = lastCommandID + 1;
/*
* The following code relies on WORD wrapping when the highest value is
* incremented.
*/
while (curID != lastCommandID) {
commandEntryPtr = Tcl_CreateHashEntry(&commandTable,
(char *) curID, &newEntry);
if (newEntry == 1) {
found = 1;
returnID = curID;
break;
}
curID++;
}
if (found) {
Tcl_SetHashValue(commandEntryPtr, (char *) mePtr);
*menuIDPtr = (int) returnID;
lastCommandID = returnID;
return TCL_OK;
} else {
return TCL_ERROR;
}
}
/*
*----------------------------------------------------------------------
*
* FreeID --
*
* Marks the itemID as free.
*
* Results:
* None.
*
* Side effects:
* The hash table entry for the ID is cleared.
*
*----------------------------------------------------------------------
*/
static void
FreeID(commandID)
int commandID;
{
Tcl_HashEntry *entryPtr = Tcl_FindHashEntry(&commandTable,
(char *) commandID);
if (entryPtr != NULL) {
Tcl_DeleteHashEntry(entryPtr);
}
}
/*
*----------------------------------------------------------------------
*
* TkpNewMenu --
*
* Gets a new blank menu. Only the platform specific options are filled
* in.
*
* Results:
* Standard TCL error.
*
* Side effects:
* Allocates a Windows menu handle and places it in the platformData
* field of the menuPtr.
*
*----------------------------------------------------------------------
*/
int
TkpNewMenu(menuPtr)
TkMenu *menuPtr; /* The common structure we are making the
* platform structure for. */
{
HMENU winMenuHdl;
Tcl_HashEntry *hashEntryPtr;
int newEntry;
winMenuHdl = CreatePopupMenu();
if (winMenuHdl == NULL) {
Tcl_AppendResult(menuPtr->interp, "No more menus can be allocated.",
(char *) NULL);
return TCL_ERROR;
}
/*
* We hash all of the HMENU's so that we can get their menu ptrs
* back when dispatch messages.
*/
hashEntryPtr = Tcl_CreateHashEntry(&winMenuTable, (char *) winMenuHdl,
&newEntry);
Tcl_SetHashValue(hashEntryPtr, (char *) menuPtr);
menuPtr->platformData = (TkMenuPlatformData) winMenuHdl;
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* TkpDestroyMenu --
*
* Destroys platform-specific menu structures.
*
* Results:
* None.
*
* Side effects:
* All platform-specific allocations are freed up.
*
*----------------------------------------------------------------------
*/
void
TkpDestroyMenu(menuPtr)
TkMenu *menuPtr; /* The common menu structure */
{
HMENU winMenuHdl = (HMENU) menuPtr->platformData;
if (menuPtr->menuFlags & MENU_RECONFIGURE_PENDING) {
Tcl_CancelIdleCall(ReconfigureWindowsMenu, (ClientData) menuPtr);
}
if (winMenuHdl == NULL) {
return;
}
if (menuPtr->menuFlags & MENU_SYSTEM_MENU) {
TkMenuEntry *searchEntryPtr;
Tcl_HashTable *tablePtr = TkGetMenuHashTable(menuPtr->interp);
char *menuName = Tcl_GetHashKey(tablePtr,
menuPtr->menuRefPtr->hashEntryPtr);
/*
* Search for the menu in the menubar, if it is present, get the
* wrapper window associated with the toplevel and reset its
* system menu to the default menu.
*/
for (searchEntryPtr = menuPtr->menuRefPtr->parentEntryPtr;
searchEntryPtr != NULL;
searchEntryPtr = searchEntryPtr->nextCascadePtr) {
if (strcmp(searchEntryPtr->name, menuName) == 0) {
Tk_Window parentTopLevelPtr = searchEntryPtr
->menuPtr->parentTopLevelPtr;
if (parentTopLevelPtr != NULL) {
GetSystemMenu(TkWinGetWrapperWindow(parentTopLevelPtr),
TRUE);
}
break;
}
}
} else {
Tcl_HashEntry *hashEntryPtr;
/*
* Remove the menu from the menu hash table, then destroy the handle.
*/
hashEntryPtr = Tcl_FindHashEntry(&winMenuTable, (char *) winMenuHdl);
if (hashEntryPtr != NULL) {
Tcl_DeleteHashEntry(hashEntryPtr);
}
DestroyMenu(winMenuHdl);
}
menuPtr->platformData = NULL;
}
/*
*----------------------------------------------------------------------
*
* TkpDestroyMenuEntry --
*
* Cleans up platform-specific menu entry items.
*
* Results:
* None
*
* Side effects:
* All platform-specific allocations are freed up.
*
*----------------------------------------------------------------------
*/
void
TkpDestroyMenuEntry(mePtr)
TkMenuEntry *mePtr; /* The entry to destroy */
{
TkMenu *menuPtr = mePtr->menuPtr;
HMENU winMenuHdl = (HMENU) menuPtr->platformData;
if (NULL != winMenuHdl) {
if (!(menuPtr->menuFlags & MENU_RECONFIGURE_PENDING)) {
menuPtr->menuFlags |= MENU_RECONFIGURE_PENDING;
Tcl_DoWhenIdle(ReconfigureWindowsMenu, (ClientData) menuPtr);
}
}
FreeID((int) mePtr->platformEntryData);
mePtr->platformEntryData = NULL;
}
/*
*----------------------------------------------------------------------
*
* GetEntryText --
*
* Given a menu entry, gives back the text that should go in it.
* Separators should be done by the caller, as they have to be
* handled specially. Allocates the memory with alloc. The caller
* should free the memory.
*
* Results:
* itemText points to the new text for the item.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
static char *
GetEntryText(mePtr)
TkMenuEntry *mePtr; /* A pointer to the menu entry. */
{
char *itemText;
if (mePtr->type == TEAROFF_ENTRY) {
itemText = ckalloc(sizeof("(Tear-off)"));
strcpy(itemText, "(Tear-off)");
} else if (mePtr->imageString != NULL) {
itemText = ckalloc(sizeof("(Image)"));
strcpy(itemText, "(Image)");
} else if (mePtr->bitmap != None) {
itemText = ckalloc(sizeof("(Pixmap)"));
strcpy(itemText, "(Pixmap)");
} else if (mePtr->label == NULL || mePtr->labelLength == 0) {
itemText = ckalloc(sizeof("( )"));
strcpy(itemText, "( )");
} else {
int size = mePtr->labelLength + 1;
int i, j;
/*
* We have to construct the string with an ampersand
* preceeding the underline character, and a tab seperating
* the text and the accel text. We have to be careful with
* ampersands in the string.
*/
for (i = 0; i < mePtr->labelLength; i++) {
if (mePtr->label[i] == '&') {
size++;
}
}
if (mePtr->underline >= 0) {
size++;
if (mePtr->label[mePtr->underline] == '&') {
size++;
}
}
if (mePtr->accelLength > 0) {
size += mePtr->accelLength + 1;
}
for (i = 0; i < mePtr->accelLength; i++) {
if (mePtr->accel[i] == '&') {
size++;
}
}
itemText = ckalloc(size);
if (mePtr->labelLength == 0) {
itemText[0] = 0;
} else {
for (i = 0, j = 0; i < mePtr->labelLength; i++, j++) {
if (mePtr->label[i] == '&') {
itemText[j++] = '&';
}
if (i == mePtr->underline) {
itemText[j++] = '&';
}
itemText[j] = mePtr->label[i];
}
itemText[j] = '\0';
}
if (mePtr->accelLength > 0) {
strcat(itemText, "\t");
for (i = 0, j = strlen(itemText); i < mePtr->accelLength;
i++, j++) {
if (mePtr->accel[i] == '&') {
itemText[j++] = '&';
}
itemText[j] = mePtr->accel[i];
}
itemText[j] = '\0';
}
}
return itemText;
}
/*
*----------------------------------------------------------------------
*
* ReconfigureWindowsMenu --
*
* Tears down and rebuilds the platform-specific part of this menu.
*
* Results:
* None.
*
* Side effects:
* Configuration information get set for mePtr; old resources
* get freed, if any need it.
*
*----------------------------------------------------------------------
*/
static void
ReconfigureWindowsMenu(
ClientData clientData) /* The menu we are rebuilding */
{
TkMenu *menuPtr = (TkMenu *) clientData;
TkMenuEntry *mePtr;
HMENU winMenuHdl = (HMENU) menuPtr->platformData;
char *itemText = NULL;
LPCTSTR lpNewItem;
UINT flags;
UINT itemID;
int i, count, systemMenu = 0, base;
int width, height;
if (NULL == winMenuHdl) {
return;
}
/*
* Reconstruct the entire menu. Takes care of nasty system menu and index
* problem.
*
*/
if ((menuPtr->menuType == MENUBAR)
&& (menuPtr->parentTopLevelPtr != NULL)) {
width = Tk_Width(menuPtr->parentTopLevelPtr);
height = Tk_Height(menuPtr->parentTopLevelPtr);
}
base = (menuPtr->menuFlags & MENU_SYSTEM_MENU) ? 7 : 0;
count = GetMenuItemCount(winMenuHdl);
for (i = base; i < count; i++) {
RemoveMenu(winMenuHdl, base, MF_BYPOSITION);
}
count = menuPtr->numEntries;
for (i = 0; i < count; i++) {
mePtr = menuPtr->entries[i];
lpNewItem = NULL;
flags = MF_BYPOSITION;
itemID = 0;
if ((menuPtr->menuType == MENUBAR) && (mePtr->type == TEAROFF_ENTRY)) {
continue;
}
if (mePtr->type == SEPARATOR_ENTRY) {
flags |= MF_SEPARATOR;
} else {
itemText = GetEntryText(mePtr);
if ((menuPtr->menuType == MENUBAR)
|| (menuPtr->menuFlags & MENU_SYSTEM_MENU)) {
lpNewItem = itemText;
} else {
lpNewItem = (LPCTSTR) mePtr;
flags |= MF_OWNERDRAW;
}
/*
* Set enabling and disabling correctly.
*/
if (mePtr->state == tkDisabledUid) {
flags |= MF_DISABLED;
}
/*
* Set the check mark for check entries and radio entries.
*/
if (((mePtr->type == CHECK_BUTTON_ENTRY)
|| (mePtr->type == RADIO_BUTTON_ENTRY))
&& (mePtr->entryFlags & ENTRY_SELECTED)) {
flags |= MF_CHECKED;
}
if (mePtr->columnBreak) {
flags |= MF_MENUBREAK;
}
itemID = (int) mePtr->platformEntryData;
if ((mePtr->type == CASCADE_ENTRY)
&& (mePtr->childMenuRefPtr != NULL)
&& (mePtr->childMenuRefPtr->menuPtr != NULL)) {
HMENU childMenuHdl = (HMENU) mePtr->childMenuRefPtr->menuPtr
->platformData;
if (childMenuHdl != NULL) {
itemID = (UINT) childMenuHdl;
flags |= MF_POPUP;
}
if ((menuPtr->menuType == MENUBAR)
&& !(mePtr->childMenuRefPtr->menuPtr->menuFlags
& MENU_SYSTEM_MENU)) {
TkMenuReferences *menuRefPtr;
TkMenu *systemMenuPtr = mePtr->childMenuRefPtr
->menuPtr;
char *systemMenuName = ckalloc(strlen(
Tk_PathName(menuPtr->masterMenuPtr->tkwin))
+ strlen(".system") + 1);
strcpy(systemMenuName,
Tk_PathName(menuPtr->masterMenuPtr->tkwin));
strcat(systemMenuName, ".system");
menuRefPtr = TkFindMenuReferences(menuPtr->interp,
systemMenuName);
if ((menuRefPtr != NULL)
&& (menuRefPtr->menuPtr != NULL)
&& (menuPtr->parentTopLevelPtr != NULL)
&& (systemMenuPtr->masterMenuPtr
== menuRefPtr->menuPtr)) {
HMENU systemMenuHdl =
(HMENU) systemMenuPtr->platformData;
HWND wrapper = TkWinGetWrapperWindow(menuPtr
->parentTopLevelPtr);
if (wrapper != NULL) {
DestroyMenu(systemMenuHdl);
systemMenuHdl = GetSystemMenu(wrapper, FALSE);
systemMenuPtr->menuFlags |= MENU_SYSTEM_MENU;
systemMenuPtr->platformData =
(TkMenuPlatformData) systemMenuHdl;
if (!(systemMenuPtr->menuFlags
& MENU_RECONFIGURE_PENDING)) {
systemMenuPtr->menuFlags
|= MENU_RECONFIGURE_PENDING;
Tcl_DoWhenIdle(ReconfigureWindowsMenu,
(ClientData) systemMenuPtr);
}
}
}
ckfree(systemMenuName);
}
if (mePtr->childMenuRefPtr->menuPtr->menuFlags
& MENU_SYSTEM_MENU) {
systemMenu++;
}
}
}
if (!systemMenu) {
InsertMenu(winMenuHdl, 0xFFFFFFFF, flags, itemID, lpNewItem);
}
if (itemText != NULL) {
ckfree(itemText);
itemText = NULL;
}
}
if ((menuPtr->menuType == MENUBAR)
&& (menuPtr->parentTopLevelPtr != NULL)) {
DrawMenuBar(TkWinGetWrapperWindow(menuPtr->parentTopLevelPtr));
Tk_GeometryRequest(menuPtr->parentTopLevelPtr, width, height);
}
menuPtr->menuFlags &= ~(MENU_RECONFIGURE_PENDING);
}
/*
*----------------------------------------------------------------------
*
* TkpPostMenu --
*
* Posts a menu on the screen
*
* Results:
* None.
*
* Side effects:
* The menu is posted and handled.
*
*----------------------------------------------------------------------
*/
int
TkpPostMenu(interp, menuPtr, x, y)
Tcl_Interp *interp;
TkMenu *menuPtr;
int x;
int y;
{
HMENU winMenuHdl = (HMENU) menuPtr->platformData;
int result, flags;
RECT noGoawayRect;
POINT point;
Tk_Window parentWindow = Tk_Parent(menuPtr->tkwin);
int oldServiceMode = Tcl_GetServiceMode();
inPostMenu++;
if (menuPtr->menuFlags & MENU_RECONFIGURE_PENDING) {
Tcl_CancelIdleCall(ReconfigureWindowsMenu, (ClientData) menuPtr);
ReconfigureWindowsMenu((ClientData) menuPtr);
}
result = TkPreprocessMenu(menuPtr);
if (result != TCL_OK) {
inPostMenu--;
return result;
}
/*
* The post commands could have deleted the menu, which means
* we are dead and should go away.
*/
if (menuPtr->tkwin == NULL) {
inPostMenu--;
return TCL_OK;
}
if (NULL == parentWindow) {
noGoawayRect.top = y - 50;
noGoawayRect.bottom = y + 50;
noGoawayRect.left = x - 50;
noGoawayRect.right = x + 50;
} else {
int left, top;
Tk_GetRootCoords(parentWindow, &left, &top);
noGoawayRect.left = left;
noGoawayRect.top = top;
noGoawayRect.bottom = noGoawayRect.top + Tk_Height(parentWindow);
noGoawayRect.right = noGoawayRect.left + Tk_Width(parentWindow);
}
Tcl_SetServiceMode(TCL_SERVICE_NONE);
/*
* Make an assumption here. If the right button is down,
* then we want to track it. Otherwise, track the left mouse button.
*/
flags = TPM_LEFTALIGN;
if (GetSystemMetrics(SM_SWAPBUTTON)) {
if (GetAsyncKeyState(VK_LBUTTON) < 0) {
flags |= TPM_RIGHTBUTTON;
} else {
flags |= TPM_LEFTBUTTON;
}
} else {
if (GetAsyncKeyState(VK_RBUTTON) < 0) {
flags |= TPM_RIGHTBUTTON;
} else {
flags |= TPM_LEFTBUTTON;
}
}
TrackPopupMenu(winMenuHdl, flags, x, y, 0,
menuHWND, &noGoawayRect);
Tcl_SetServiceMode(oldServiceMode);
GetCursorPos(&point);
Tk_PointerEvent(NULL, point.x, point.y);
if (inPostMenu) {
inPostMenu = 0;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* TkpMenuNewEntry --
*
* Adds a pointer to a new menu entry structure with the platform-
* specific fields filled in.
*
* Results:
* Standard TCL error.
*
* Side effects:
* A new command ID is allocated and stored in the platformEntryData
* field of mePtr.
*
*----------------------------------------------------------------------
*/
int
TkpMenuNewEntry(mePtr)
TkMenuEntry *mePtr;
{
int commandID;
TkMenu *menuPtr = mePtr->menuPtr;
if (GetNewID(mePtr, &commandID) != TCL_OK) {
return TCL_ERROR;
}
if (!(menuPtr->menuFlags & MENU_RECONFIGURE_PENDING)) {
menuPtr->menuFlags |= MENU_RECONFIGURE_PENDING;
Tcl_DoWhenIdle(ReconfigureWindowsMenu, (ClientData) menuPtr);
}
mePtr->platformEntryData = (TkMenuPlatformEntryData) commandID;
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* TkWinMenuProc --
*
* The window proc for the dummy window we put popups in. This allows
* is to post a popup whether or not we know what the parent window
* is.
*
* Results:
* Returns whatever is appropriate for the message in question.
*
* Side effects:
* Normal side-effect for windows messages.
*
*----------------------------------------------------------------------
*/
static LRESULT CALLBACK
TkWinMenuProc(hwnd, message, wParam, lParam)
HWND hwnd;
UINT message;
WPARAM wParam;
LPARAM lParam;
{
LRESULT lResult;
if (!TkWinHandleMenuEvent(&hwnd, &message, &wParam, &lParam, &lResult)) {
lResult = DefWindowProc(hwnd, message, wParam, lParam);
}
return lResult;
}
/*
*----------------------------------------------------------------------
*
* TkWinHandleMenuEvent --
*
* Filters out menu messages from messages passed to a top-level.
* Will respond appropriately to WM_COMMAND, WM_MENUSELECT,
* WM_MEASUREITEM, WM_DRAWITEM
*
* Result:
* Returns 1 if this handled the message; 0 if it did not.
*
* Side effects:
* All of the parameters may be modified so that the caller can
* think it is getting a different message. plResult points to
* the result that should be returned to windows from this message.
*
*----------------------------------------------------------------------
*/
int
TkWinHandleMenuEvent(phwnd, pMessage, pwParam, plParam, plResult)
HWND *phwnd;
UINT *pMessage;
WPARAM *pwParam;
LPARAM *plParam;
LRESULT *plResult;
{
Tcl_HashEntry *hashEntryPtr;
int returnResult = 0;
TkMenu *menuPtr;
TkMenuEntry *mePtr;
switch (*pMessage) {
case WM_INITMENU:
TkMenuInit();
hashEntryPtr = Tcl_FindHashEntry(&winMenuTable, (char *) *pwParam);
if (hashEntryPtr != NULL) {
oldServiceMode = Tcl_SetServiceMode(TCL_SERVICE_ALL);
menuPtr = (TkMenu *) Tcl_GetHashValue(hashEntryPtr);
modalMenuPtr = menuPtr;
if (menuPtr->menuFlags & MENU_RECONFIGURE_PENDING) {
Tcl_CancelIdleCall(ReconfigureWindowsMenu,
(ClientData) menuPtr);
ReconfigureWindowsMenu((ClientData) menuPtr);
}
if (!inPostMenu) {
Tcl_Interp *interp;
int code;
interp = menuPtr->interp;
Tcl_Preserve((ClientData)interp);
code = TkPreprocessMenu(menuPtr);
if ((code != TCL_OK) && (code != TCL_CONTINUE)
&& (code != TCL_BREAK)) {
Tcl_AddErrorInfo(interp, "\n (menu preprocess)");
Tcl_BackgroundError(interp);
}
Tcl_Release((ClientData)interp);
}
TkActivateMenuEntry(menuPtr, -1);
*plResult = 0;
returnResult = 1;
} else {
modalMenuPtr = NULL;
}
break;
case WM_SYSCOMMAND:
case WM_COMMAND: {
TkMenuInit();
if (HIWORD(*pwParam) != 0) {
break;
}
hashEntryPtr = Tcl_FindHashEntry(&commandTable,
(char *)LOWORD(*pwParam));
if (hashEntryPtr == NULL) {
break;
}
mePtr = (TkMenuEntry *) Tcl_GetHashValue(hashEntryPtr);
if (mePtr != NULL) {
TkMenuReferences *menuRefPtr;
TkMenuEntry *parentEntryPtr;
Tcl_Interp *interp;
int code;
/*
* We have to set the parent of this menu to be active
* if this is a submenu so that tearoffs will get the
* correct title.
*/
menuPtr = mePtr->menuPtr;
menuRefPtr = TkFindMenuReferences(menuPtr->interp,
Tk_PathName(menuPtr->tkwin));
if ((menuRefPtr != NULL) && (menuRefPtr->parentEntryPtr
!= NULL)) {
for (parentEntryPtr = menuRefPtr->parentEntryPtr;
strcmp(parentEntryPtr->name,
Tk_PathName(menuPtr->tkwin)) != 0;
parentEntryPtr = parentEntryPtr->nextCascadePtr) {
/*
* Empty loop body.
*/
}
if (parentEntryPtr->menuPtr
->entries[parentEntryPtr->index]->state
!= tkDisabledUid) {
TkActivateMenuEntry(parentEntryPtr->menuPtr,
parentEntryPtr->index);
}
}
interp = menuPtr->interp;
Tcl_Preserve((ClientData)interp);
code = TkInvokeMenu(interp, menuPtr, mePtr->index);
if ((code != TCL_OK) && (code != TCL_CONTINUE)
&& (code != TCL_BREAK)) {
Tcl_AddErrorInfo(interp, "\n (menu invoke)");
Tcl_BackgroundError(interp);
}
Tcl_Release((ClientData)interp);
}
*plResult = 0;
returnResult = 1;
break;
}
case WM_MENUCHAR: {
unsigned char menuChar = (unsigned char) LOWORD(*pwParam);
hashEntryPtr = Tcl_FindHashEntry(&winMenuTable, (char *) *plParam);
if (hashEntryPtr != NULL) {
int i;
*plResult = 0;
menuPtr = (TkMenu *) Tcl_GetHashValue(hashEntryPtr);
for (i = 0; i < menuPtr->numEntries; i++) {
int underline = menuPtr->entries[i]->underline;
if ((-1 != underline)
&& (NULL != menuPtr->entries[i]->label)
&& (CharUpper((LPTSTR) menuChar)
== CharUpper((LPTSTR) (unsigned char) menuPtr
->entries[i]->label[underline]))) {
*plResult = (2 << 16) | i;
returnResult = 1;
break;
}
}
}
break;
}
case WM_MEASUREITEM: {
LPMEASUREITEMSTRUCT itemPtr = (LPMEASUREITEMSTRUCT) *plParam;
if (itemPtr != NULL) {
mePtr = (TkMenuEntry *) itemPtr->itemData;
menuPtr = mePtr->menuPtr;
TkRecomputeMenu(menuPtr);
itemPtr->itemHeight = mePtr->height;
itemPtr->itemWidth = mePtr->width;
if (mePtr->hideMargin) {
itemPtr->itemWidth += 2 - indicatorDimensions[0];
} else {
itemPtr->itemWidth += 2 * menuPtr->activeBorderWidth;
}
*plResult = 1;
returnResult = 1;
}
break;
}
case WM_DRAWITEM: {
TkWinDrawable *twdPtr;
LPDRAWITEMSTRUCT itemPtr = (LPDRAWITEMSTRUCT) *plParam;
Tk_FontMetrics fontMetrics;
if (itemPtr != NULL) {
mePtr = (TkMenuEntry *) itemPtr->itemData;
menuPtr = mePtr->menuPtr;
twdPtr = (TkWinDrawable *) ckalloc(sizeof(TkWinDrawable));
twdPtr->type = TWD_WINDC;
twdPtr->winDC.hdc = itemPtr->hDC;
if (mePtr->state != tkDisabledUid) {
if (itemPtr->itemState & ODS_SELECTED) {
TkActivateMenuEntry(menuPtr, mePtr->index);
} else {
TkActivateMenuEntry(menuPtr, -1);
}
}
Tk_GetFontMetrics(menuPtr->tkfont, &fontMetrics);
TkpDrawMenuEntry(mePtr, (Drawable) twdPtr, menuPtr->tkfont,
&fontMetrics, itemPtr->rcItem.left,
itemPtr->rcItem.top, itemPtr->rcItem.right
- itemPtr->rcItem.left, itemPtr->rcItem.bottom
- itemPtr->rcItem.top, 0, 0);
ckfree((char *) twdPtr);
*plResult = 1;
returnResult = 1;
}
break;
}
case WM_MENUSELECT: {
UINT flags = HIWORD(*pwParam);
TkMenuInit();
if ((flags == 0xFFFF) && (*plParam == 0)) {
Tcl_SetServiceMode(oldServiceMode);
if (modalMenuPtr != NULL) {
RecursivelyClearActiveMenu(modalMenuPtr);
}
} else {
menuPtr = NULL;
if (*plParam != 0) {
hashEntryPtr = Tcl_FindHashEntry(&winMenuTable,
(char *) *plParam);
if (hashEntryPtr != NULL) {
menuPtr = (TkMenu *) Tcl_GetHashValue(hashEntryPtr);
}
}
if (menuPtr != NULL) {
mePtr = NULL;
if (flags != 0xFFFF) {
if (flags & MF_POPUP) {
mePtr = menuPtr->entries[LOWORD(*pwParam)];
} else {
hashEntryPtr = Tcl_FindHashEntry(&commandTable,
(char *) LOWORD(*pwParam));
if (hashEntryPtr != NULL) {
mePtr = (TkMenuEntry *) Tcl_GetHashValue(hashEntryPtr);
}
}
}
if ((mePtr == NULL) || (mePtr->state == tkDisabledUid)) {
TkActivateMenuEntry(menuPtr, -1);
} else {
TkActivateMenuEntry(menuPtr, mePtr->index);
}
MenuSelectEvent(menuPtr);
Tcl_ServiceAll();
}
}
}
}
return returnResult;
}
/*
*----------------------------------------------------------------------
*
* RecursivelyClearActiveMenu --
*
* Recursively clears the active entry in the menu's cascade hierarchy.
*
* Results:
* None.
*
* Side effects:
* Generates <<MenuSelect>> virtual events.
*
*----------------------------------------------------------------------
*/
void
RecursivelyClearActiveMenu(
TkMenu *menuPtr) /* The menu to reset. */
{
int i;
TkMenuEntry *mePtr;
TkActivateMenuEntry(menuPtr, -1);
MenuSelectEvent(menuPtr);
for (i = 0; i < menuPtr->numEntries; i++) {
mePtr = menuPtr->entries[i];
if (mePtr->type == CASCADE_ENTRY) {
if ((mePtr->childMenuRefPtr != NULL)
&& (mePtr->childMenuRefPtr->menuPtr != NULL)) {
RecursivelyClearActiveMenu(mePtr->childMenuRefPtr->menuPtr);
}
}
}
}
/*
*----------------------------------------------------------------------
*
* TkpSetWindowMenuBar --
*
* Associates a given menu with a window.
*
* Results:
* None.
*
* Side effects:
* On Windows and UNIX, associates the platform menu with the
* platform window.
*
*----------------------------------------------------------------------
*/
void
TkpSetWindowMenuBar(tkwin, menuPtr)
Tk_Window tkwin; /* The window we are putting the menubar into.*/
TkMenu *menuPtr; /* The menu we are inserting */
{
HMENU winMenuHdl;
if (menuPtr != NULL) {
Tcl_HashEntry *hashEntryPtr;
int newEntry;
winMenuHdl = (HMENU) menuPtr->platformData;
hashEntryPtr = Tcl_FindHashEntry(&winMenuTable, (char *) winMenuHdl);
Tcl_DeleteHashEntry(hashEntryPtr);
DestroyMenu(winMenuHdl);
winMenuHdl = CreateMenu();
hashEntryPtr = Tcl_CreateHashEntry(&winMenuTable, (char *) winMenuHdl,
&newEntry);
Tcl_SetHashValue(hashEntryPtr, (char *) menuPtr);
menuPtr->platformData = (TkMenuPlatformData) winMenuHdl;
TkWinSetMenu(tkwin, winMenuHdl);
if (menuPtr->menuFlags & MENU_RECONFIGURE_PENDING) {
Tcl_DoWhenIdle(ReconfigureWindowsMenu, (ClientData) menuPtr);
menuPtr->menuFlags |= MENU_RECONFIGURE_PENDING;
}
} else {
TkWinSetMenu(tkwin, NULL);
}
}
/*
*----------------------------------------------------------------------
*
* TkpSetMainMenubar --
*
* Puts the menu associated with a window into the menubar. Should
* only be called when the window is in front.
*
* Results:
* None.
*
* Side effects:
* The menubar is changed.
*
*----------------------------------------------------------------------
*/
void
TkpSetMainMenubar(
Tcl_Interp *interp, /* The interpreter of the application */
Tk_Window tkwin, /* The frame we are setting up */
char *menuName) /* The name of the menu to put in front.
* If NULL, use the default menu bar.
*/
{
/*
* Nothing to do.
*/
}
/*
*----------------------------------------------------------------------
*
* GetMenuIndicatorGeometry --
*
* Gets the width and height of the indicator area of a menu.
*
* Results:
* widthPtr and heightPtr are set.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
void
GetMenuIndicatorGeometry (
TkMenu *menuPtr, /* The menu we are measuring */
TkMenuEntry *mePtr, /* The entry we are measuring */
Tk_Font tkfont, /* Precalculated font */
CONST Tk_FontMetrics *fmPtr, /* Precalculated font metrics */
int *widthPtr, /* The resulting width */
int *heightPtr) /* The resulting height */
{
*heightPtr = indicatorDimensions[0];
if (mePtr->hideMargin) {
*widthPtr = 0;
} else {
*widthPtr = indicatorDimensions[1] - menuPtr->borderWidth;
}
}
/*
*----------------------------------------------------------------------
*
* GetMenuAccelGeometry --
*
* Gets the width and height of the indicator area of a menu.
*
* Results:
* widthPtr and heightPtr are set.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
void
GetMenuAccelGeometry (
TkMenu *menuPtr, /* The menu we are measuring */
TkMenuEntry *mePtr, /* The entry we are measuring */
Tk_Font tkfont, /* The precalculated font */
CONST Tk_FontMetrics *fmPtr, /* The precalculated font metrics */
int *widthPtr, /* The resulting width */
int *heightPtr) /* The resulting height */
{
*heightPtr = fmPtr->linespace;
if (mePtr->type == CASCADE_ENTRY) {
*widthPtr = 0;
} else if (mePtr->accel == NULL) {
*widthPtr = 0;
} else {
*widthPtr = Tk_TextWidth(tkfont, mePtr->accel, mePtr->accelLength);
}
}
/*
*----------------------------------------------------------------------
*
* GetTearoffEntryGeometry --
*
* Gets the width and height of the indicator area of a menu.
*
* Results:
* widthPtr and heightPtr are set.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
void
GetTearoffEntryGeometry (
TkMenu *menuPtr, /* The menu we are measuring */
TkMenuEntry *mePtr, /* The entry we are measuring */
Tk_Font tkfont, /* The precalculated font */
CONST Tk_FontMetrics *fmPtr, /* The precalculated font metrics */
int *widthPtr, /* The resulting width */
int *heightPtr) /* The resulting height */
{
if (menuPtr->menuType != MASTER_MENU) {
*heightPtr = 0;
} else {
*heightPtr = fmPtr->linespace;
}
*widthPtr = 0;
}
/*
*----------------------------------------------------------------------
*
* GetMenuSeparatorGeometry --
*
* Gets the width and height of the indicator area of a menu.
*
* Results:
* widthPtr and heightPtr are set.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
void
GetMenuSeparatorGeometry (
TkMenu *menuPtr, /* The menu we are measuring */
TkMenuEntry *mePtr, /* The entry we are measuring */
Tk_Font tkfont, /* The precalculated font */
CONST Tk_FontMetrics *fmPtr, /* The precalcualted font metrics */
int *widthPtr, /* The resulting width */
int *heightPtr) /* The resulting height */
{
*widthPtr = 0;
*heightPtr = fmPtr->linespace;
}
/*
*----------------------------------------------------------------------
*
* DrawWindowsSystemBitmap --
*
* Draws the windows system bitmap given by bitmapID into the rect
* given by rectPtr in the drawable. The bitmap is centered in the
* rectangle. It is not clipped, so if the bitmap is bigger than
* the rect it will bleed.
*
* Results:
* None.
*
* Side effects:
* Drawing occurs. Some storage is allocated and released.
*
*----------------------------------------------------------------------
*/
static void
DrawWindowsSystemBitmap(display, drawable, gc, rectPtr, bitmapID, alignFlags)
Display *display; /* The display we are drawing into */
Drawable drawable; /* The drawable we are working with */
GC gc; /* The GC to draw with */
CONST RECT *rectPtr; /* The rectangle to draw into */
int bitmapID; /* The windows id of the system
* bitmap to draw. */
int alignFlags; /* How to align the bitmap inside the
* rectangle. */
{
TkWinDCState state;
HDC hdc = TkWinGetDrawableDC(display, drawable, &state);
HDC scratchDC;
HBITMAP bitmap;
BITMAP bm;
POINT ptSize;
POINT ptOrg;
int topOffset, leftOffset;
SetBkColor(hdc, gc->background);
SetTextColor(hdc, gc->foreground);
scratchDC = CreateCompatibleDC(hdc);
bitmap = LoadBitmap(NULL, MAKEINTRESOURCE(bitmapID));
SelectObject(scratchDC, bitmap);
SetMapMode(scratchDC, GetMapMode(hdc));
GetObject(bitmap, sizeof(BITMAP), &bm);
ptSize.x = bm.bmWidth;
ptSize.y = bm.bmHeight;
DPtoLP(hdc, &ptSize, 1);
ptOrg.y = ptOrg.x = 0;
DPtoLP(hdc, &ptOrg, 1);
if (alignFlags & ALIGN_BITMAP_TOP) {
topOffset = 0;
} else if (alignFlags & ALIGN_BITMAP_BOTTOM) {
topOffset = (rectPtr->bottom - rectPtr->top) - ptSize.y;
} else {
topOffset = (rectPtr->bottom - rectPtr->top) / 2 - (ptSize.y / 2);
}
if (alignFlags & ALIGN_BITMAP_LEFT) {
leftOffset = 0;
} else if (alignFlags & ALIGN_BITMAP_RIGHT) {
leftOffset = (rectPtr->right - rectPtr->left) - ptSize.x;
} else {
leftOffset = (rectPtr->right - rectPtr->left) / 2 - (ptSize.x / 2);
}
BitBlt(hdc, rectPtr->left + leftOffset, rectPtr->top + topOffset, ptSize.x,
ptSize.y, scratchDC, ptOrg.x, ptOrg.y, SRCCOPY);
DeleteDC(scratchDC);
DeleteObject(bitmap);
TkWinReleaseDrawableDC(drawable, hdc, &state);
}
/*
*----------------------------------------------------------------------
*
* DrawMenuEntryIndicator --
*
* This procedure draws the indicator part of a menu.
*
* Results:
* None.
*
* Side effects:
* Commands are output to X to display the menu in its
* current mode.
*
*----------------------------------------------------------------------
*/
void
DrawMenuEntryIndicator(menuPtr, mePtr, d, gc, indicatorGC, tkfont, fmPtr, x,
y, width, height)
TkMenu *menuPtr; /* The menu we are drawing */
TkMenuEntry *mePtr; /* The entry we are drawing */
Drawable d; /* What we are drawing into */
GC gc; /* The gc we are drawing with */
GC indicatorGC; /* The gc for indicator objects */
Tk_Font tkfont; /* The precalculated font */
CONST Tk_FontMetrics *fmPtr; /* The precalculated font metrics */
int x; /* Left edge */
int y; /* Top edge */
int width;
int height;
{
if ((mePtr->type == CHECK_BUTTON_ENTRY ||
mePtr->type == RADIO_BUTTON_ENTRY)
&& mePtr->indicatorOn
&& mePtr->entryFlags & ENTRY_SELECTED) {
RECT rect;
GC whichGC;
if (mePtr->state != tkNormalUid) {
whichGC = gc;
} else {
whichGC = indicatorGC;
}
rect.top = y;
rect.bottom = y + mePtr->height;
rect.left = menuPtr->borderWidth + menuPtr->activeBorderWidth + x;
rect.right = mePtr->indicatorSpace + x;
if ((mePtr->state == tkDisabledUid) && (menuPtr->disabledFg != NULL)
&& (versionInfo.dwMajorVersion >= 4)) {
RECT hilightRect;
COLORREF oldFgColor = whichGC->foreground;
whichGC->foreground = GetSysColor(COLOR_3DHILIGHT);
hilightRect.top = rect.top + 1;
hilightRect.bottom = rect.bottom + 1;
hilightRect.left = rect.left + 1;
hilightRect.right = rect.right + 1;
DrawWindowsSystemBitmap(menuPtr->display, d, whichGC,
&hilightRect, OBM_CHECK, 0);
whichGC->foreground = oldFgColor;
}
DrawWindowsSystemBitmap(menuPtr->display, d, whichGC, &rect,
OBM_CHECK, 0);
if ((mePtr->state == tkDisabledUid)
&& (menuPtr->disabledImageGC != None)
&& (versionInfo.dwMajorVersion < 4)) {
XFillRectangle(menuPtr->display, d, menuPtr->disabledImageGC,
rect.left, rect.top, rect.right, rect.bottom);
}
}
}
/*
*----------------------------------------------------------------------
*
* DrawMenuEntryAccelerator --
*
* This procedure draws the accelerator part of a menu. We
* need to decide what to draw here. Should we replace strings
* like "Control", "Command", etc?
*
* Results:
* None.
*
* Side effects:
* Commands are output to X to display the menu in its
* current mode.
*
*----------------------------------------------------------------------
*/
void
DrawMenuEntryAccelerator(menuPtr, mePtr, d, gc, tkfont, fmPtr,
activeBorder, x, y, width, height, drawArrow)
TkMenu *menuPtr; /* The menu we are drawing */
TkMenuEntry *mePtr; /* The entry we are drawing */
Drawable d; /* What we are drawing into */
GC gc; /* The gc we are drawing with */
Tk_Font tkfont; /* The precalculated font */
CONST Tk_FontMetrics *fmPtr; /* The precalculated font metrics */
Tk_3DBorder activeBorder; /* The border when an item is active */
int x; /* left edge */
int y; /* top edge */
int width; /* Width of menu entry */
int height; /* Height of menu entry */
int drawArrow; /* For cascade menus, whether of not
* to draw the arraw. I cannot figure
* out Windows' algorithm for where
* to draw this. */
{
int baseline;
int leftEdge = x + mePtr->indicatorSpace + mePtr->labelWidth;
baseline = y + (height + fmPtr->ascent - fmPtr->descent) / 2;
if ((mePtr->state == tkDisabledUid) && (menuPtr->disabledFg != NULL)
&& ((mePtr->accel != NULL)
|| ((mePtr->type == CASCADE_ENTRY) && drawArrow))) {
if (versionInfo.dwMajorVersion >= 4) {
COLORREF oldFgColor = gc->foreground;
gc->foreground = GetSysColor(COLOR_3DHILIGHT);
if (mePtr->accel != NULL) {
Tk_DrawChars(menuPtr->display, d, gc, tkfont, mePtr->accel,
mePtr->accelLength, leftEdge + 1, baseline + 1);
}
if (mePtr->type == CASCADE_ENTRY) {
RECT rect;
rect.top = y + GetSystemMetrics(SM_CYBORDER) + 1;
rect.bottom = y + height - GetSystemMetrics(SM_CYBORDER) + 1;
rect.left = x + mePtr->indicatorSpace + mePtr->labelWidth + 1;
rect.right = x + width;
DrawWindowsSystemBitmap(menuPtr->display, d, gc, &rect,
OBM_MNARROW, ALIGN_BITMAP_RIGHT);
}
gc->foreground = oldFgColor;
}
}
if (mePtr->accel != NULL) {
Tk_DrawChars(menuPtr->display, d, gc, tkfont, mePtr->accel,
mePtr->accelLength, leftEdge, baseline);
}
if ((mePtr->state == tkDisabledUid)
&& (menuPtr->disabledImageGC != None)
&& (versionInfo.dwMajorVersion < 4)) {
XFillRectangle(menuPtr->display, d, menuPtr->disabledImageGC,
leftEdge, y, width - mePtr->labelWidth
- mePtr->indicatorSpace, height);
}
if ((mePtr->type == CASCADE_ENTRY) && drawArrow) {
RECT rect;
rect.top = y + GetSystemMetrics(SM_CYBORDER);
rect.bottom = y + height - GetSystemMetrics(SM_CYBORDER);
rect.left = x + mePtr->indicatorSpace + mePtr->labelWidth;
rect.right = x + width - 1;
DrawWindowsSystemBitmap(menuPtr->display, d, gc, &rect, OBM_MNARROW,
ALIGN_BITMAP_RIGHT);
if ((mePtr->state == tkDisabledUid)
&& (menuPtr->disabledImageGC != None)
&& (versionInfo.dwMajorVersion < 4)) {
XFillRectangle(menuPtr->display, d, menuPtr->disabledImageGC,
rect.left, rect.top, rect.right, rect.bottom);
}
}
}
/*
*----------------------------------------------------------------------
*
* DrawMenuSeparator --
*
* The menu separator is drawn.
*
* Results:
* None.
*
* Side effects:
* Commands are output to X to display the menu in its
* current mode.
*
*----------------------------------------------------------------------
*/
void
DrawMenuSeparator(menuPtr, mePtr, d, gc, tkfont, fmPtr, x, y, width, height)
TkMenu *menuPtr; /* The menu we are drawing */
TkMenuEntry *mePtr; /* The entry we are drawing */
Drawable d; /* What we are drawing into */
GC gc; /* The gc we are drawing with */
Tk_Font tkfont; /* The precalculated font */
CONST Tk_FontMetrics *fmPtr; /* The precalculated font metrics */
int x; /* left edge */
int y; /* top edge */
int width; /* width of item */
int height; /* height of item */
{
XPoint points[2];
points[0].x = x;
points[0].y = y + height / 2;
points[1].x = x + width - 1;
points[1].y = points[0].y;
Tk_Draw3DPolygon(menuPtr->tkwin, d,
menuPtr->border, points, 2, 1, TK_RELIEF_RAISED);
}
/*
*----------------------------------------------------------------------
*
* DrawMenuUnderline --
*
* On appropriate platforms, draw the underline character for the
* menu.
*
* Results:
* None.
*
* Side effects:
* Commands are output to X to display the menu in its
* current mode.
*
*----------------------------------------------------------------------
*/
static void
DrawMenuUnderline(
TkMenu *menuPtr, /* The menu to draw into */
TkMenuEntry *mePtr, /* The entry we are drawing */
Drawable d, /* What we are drawing into */
GC gc, /* The gc to draw into */
Tk_Font tkfont, /* The precalculated font */
CONST Tk_FontMetrics *fmPtr, /* The precalculated font metrics */
int x, /* Left Edge */
int y, /* Top Edge */
int width, /* Width of entry */
int height) /* Height of entry */
{
if (mePtr->underline >= 0) {
Tk_UnderlineChars(menuPtr->display, d,
gc, tkfont, mePtr->label, x + mePtr->indicatorSpace,
y + (height + fmPtr->ascent - fmPtr->descent) / 2,
mePtr->underline, mePtr->underline + 1);
}
}
/*
*--------------------------------------------------------------
*
* MenuKeyBindProc --
*
* This procedure is invoked when keys related to pulling
* down menus is pressed. The corresponding Windows events
* are generated and passed to DefWindowProc if appropriate.
*
* Results:
* Always returns TCL_OK.
*
* Side effects:
* The menu system may take over and process user events
* for menu input.
*
*--------------------------------------------------------------
*/
static int
MenuKeyBindProc(clientData, interp, eventPtr, tkwin, keySym)
ClientData clientData; /* not used in this proc */
Tcl_Interp *interp; /* The interpreter of the receiving window. */
XEvent *eventPtr; /* The XEvent to process */
Tk_Window tkwin; /* The window receiving the event */
KeySym keySym; /* The key sym that is produced. */
{
UINT scanCode;
UINT virtualKey;
TkWindow *winPtr = (TkWindow *)tkwin;
int i;
if (eventPtr->type == KeyPress) {
switch (keySym) {
case XK_Alt_L:
scanCode = MapVirtualKey(VK_LMENU, 0);
CallWindowProc(DefWindowProc, Tk_GetHWND(Tk_WindowId(tkwin)),
WM_SYSKEYDOWN, VK_MENU, (scanCode << 16)
| (1 << 29));
break;
case XK_Alt_R:
scanCode = MapVirtualKey(VK_RMENU, 0);
CallWindowProc(DefWindowProc, Tk_GetHWND(Tk_WindowId(tkwin)),
WM_SYSKEYDOWN, VK_MENU, (scanCode << 16)
| (1 << 29) | (1 << 24));
break;
case XK_F10:
scanCode = MapVirtualKey(VK_F10, 0);
CallWindowProc(DefWindowProc, Tk_GetHWND(Tk_WindowId(tkwin)),
WM_SYSKEYDOWN, VK_F10, (scanCode << 16));
break;
default:
virtualKey = XKeysymToKeycode(winPtr->display, keySym);
scanCode = MapVirtualKey(virtualKey, 0);
if (0 != scanCode) {
CallWindowProc(DefWindowProc, Tk_GetHWND(Tk_WindowId(tkwin)),
WM_SYSKEYDOWN, virtualKey, ((scanCode << 16)
| (1 << 29)));
if (eventPtr->xkey.nchars > 0) {
for (i = 0; i < eventPtr->xkey.nchars; i++) {
CallWindowProc(DefWindowProc,
Tk_GetHWND(Tk_WindowId(tkwin)),
WM_SYSCHAR,
eventPtr->xkey.trans_chars[i],
((scanCode << 16) | (1 << 29)));
}
}
}
}
} else if (eventPtr->type == KeyRelease) {
switch (keySym) {
case XK_Alt_L:
scanCode = MapVirtualKey(VK_LMENU, 0);
CallWindowProc(DefWindowProc, Tk_GetHWND(Tk_WindowId(tkwin)),
WM_SYSKEYUP, VK_MENU, (scanCode << 16)
| (1 << 29) | (1 << 30) | (1 << 31));
break;
case XK_Alt_R:
scanCode = MapVirtualKey(VK_RMENU, 0);
CallWindowProc(DefWindowProc, Tk_GetHWND(Tk_WindowId(tkwin)),
WM_SYSKEYUP, VK_MENU, (scanCode << 16) | (1 << 24)
| (0x111 << 29) | (1 << 30) | (1 << 31));
break;
case XK_F10:
scanCode = MapVirtualKey(VK_F10, 0);
CallWindowProc(DefWindowProc, Tk_GetHWND(Tk_WindowId(tkwin)),
WM_SYSKEYUP, VK_F10, (scanCode << 16)
| (1 << 30) | (1 << 31));
break;
default:
virtualKey = XKeysymToKeycode(winPtr->display, keySym);
scanCode = MapVirtualKey(virtualKey, 0);
if (0 != scanCode) {
CallWindowProc(DefWindowProc, Tk_GetHWND(Tk_WindowId(tkwin)),
WM_SYSKEYUP, virtualKey, ((scanCode << 16)
| (1 << 29) | (1 << 30) | (1 << 31)));
}
}
}
return TCL_OK;
}
/*
*--------------------------------------------------------------
*
* TkpInitializeMenuBindings --
*
* For every interp, initializes the bindings for Windows
* menus. Does nothing on Mac or XWindows.
*
* Results:
* None.
*
* Side effects:
* C-level bindings are setup for the interp which will
* handle Alt-key sequences for menus without beeping
* or interfering with user-defined Alt-key bindings.
*
*--------------------------------------------------------------
*/
void
TkpInitializeMenuBindings(interp, bindingTable)
Tcl_Interp *interp; /* The interpreter to set. */
Tk_BindingTable bindingTable; /* The table to add to. */
{
Tk_Uid uid = Tk_GetUid("all");
/*
* We need to set up the bindings for menubars. These have to
* recreate windows events, so we need to have a C-level
* binding for this. We have to generate the WM_SYSKEYDOWNS
* and WM_SYSKEYUPs appropriately.
*/
TkCreateBindingProcedure(interp, bindingTable, (ClientData)uid,
"<Alt_L>", MenuKeyBindProc, NULL, NULL);
TkCreateBindingProcedure(interp, bindingTable, (ClientData)uid,
"<KeyRelease-Alt_L>", MenuKeyBindProc, NULL, NULL);
TkCreateBindingProcedure(interp, bindingTable, (ClientData)uid,
"<Alt_R>", MenuKeyBindProc, NULL, NULL);
TkCreateBindingProcedure(interp, bindingTable, (ClientData)uid,
"<KeyRelease-Alt_R>", MenuKeyBindProc, NULL, NULL);
TkCreateBindingProcedure(interp, bindingTable, (ClientData)uid,
"<Alt-KeyPress>", MenuKeyBindProc, NULL, NULL);
TkCreateBindingProcedure(interp, bindingTable, (ClientData)uid,
"<Alt-KeyRelease>", MenuKeyBindProc, NULL, NULL);
TkCreateBindingProcedure(interp, bindingTable, (ClientData)uid,
"<KeyPress-F10>", MenuKeyBindProc, NULL, NULL);
TkCreateBindingProcedure(interp, bindingTable, (ClientData)uid,
"<KeyRelease-F10>", MenuKeyBindProc, NULL, NULL);
}
/*
*----------------------------------------------------------------------
*
* DrawMenuEntryLabel --
*
* This procedure draws the label part of a menu.
*
* Results:
* None.
*
* Side effects:
* Commands are output to X to display the menu in its
* current mode.
*
*----------------------------------------------------------------------
*/
static void
DrawMenuEntryLabel(
TkMenu *menuPtr, /* The menu we are drawing */
TkMenuEntry *mePtr, /* The entry we are drawing */
Drawable d, /* What we are drawing into */
GC gc, /* The gc we are drawing into */
Tk_Font tkfont, /* The precalculated font */
CONST Tk_FontMetrics *fmPtr, /* The precalculated font metrics */
int x, /* left edge */
int y, /* right edge */
int width, /* width of entry */
int height) /* height of entry */
{
int baseline;
int indicatorSpace = mePtr->indicatorSpace;
int leftEdge = x + indicatorSpace + menuPtr->activeBorderWidth;
int imageHeight, imageWidth;
/*
* Draw label or bitmap or image for entry.
*/
baseline = y + (height + fmPtr->ascent - fmPtr->descent) / 2;
if (mePtr->image != NULL) {
Tk_SizeOfImage(mePtr->image, &imageWidth, &imageHeight);
if ((mePtr->selectImage != NULL)
&& (mePtr->entryFlags & ENTRY_SELECTED)) {
Tk_RedrawImage(mePtr->selectImage, 0, 0,
imageWidth, imageHeight, d, leftEdge,
(int) (y + (mePtr->height - imageHeight)/2));
} else {
Tk_RedrawImage(mePtr->image, 0, 0, imageWidth,
imageHeight, d, leftEdge,
(int) (y + (mePtr->height - imageHeight)/2));
}
} else if (mePtr->bitmap != None) {
int width, height;
Tk_SizeOfBitmap(menuPtr->display,
mePtr->bitmap, &width, &height);
XCopyPlane(menuPtr->display,
mePtr->bitmap, d,
gc, 0, 0, (unsigned) width, (unsigned) height, leftEdge,
(int) (y + (mePtr->height - height)/2), 1);
} else {
if (mePtr->labelLength > 0) {
Tk_DrawChars(menuPtr->display, d, gc,
tkfont, mePtr->label, mePtr->labelLength,
leftEdge, baseline);
DrawMenuUnderline(menuPtr, mePtr, d, gc, tkfont, fmPtr, x, y,
width, height);
}
}
if (mePtr->state == tkDisabledUid) {
if (menuPtr->disabledFg == NULL) {
XFillRectangle(menuPtr->display, d, menuPtr->disabledGC, x, y,
(unsigned) width, (unsigned) height);
} else if ((mePtr->image != NULL)
&& (menuPtr->disabledImageGC != None)) {
XFillRectangle(menuPtr->display, d, menuPtr->disabledImageGC,
leftEdge,
(int) (y + (mePtr->height - imageHeight)/2),
(unsigned) imageWidth, (unsigned) imageHeight);
}
}
}
/*
*--------------------------------------------------------------
*
* TkpComputeMenubarGeometry --
*
* This procedure is invoked to recompute the size and
* layout of a menu that is a menubar clone.
*
* Results:
* None.
*
* Side effects:
* Fields of menu entries are changed to reflect their
* current positions, and the size of the menu window
* itself may be changed.
*
*--------------------------------------------------------------
*/
void
TkpComputeMenubarGeometry(menuPtr)
TkMenu *menuPtr; /* Structure describing menu. */
{
TkpComputeStandardMenuGeometry(menuPtr);
}
/*
*----------------------------------------------------------------------
*
* DrawTearoffEntry --
*
* This procedure draws the background part of a menu.
*
* Results:
* None.
*
* Side effects:
* Commands are output to X to display the menu in its
* current mode.
*
*----------------------------------------------------------------------
*/
void
DrawTearoffEntry(menuPtr, mePtr, d, gc, tkfont, fmPtr, x, y, width, height)
TkMenu *menuPtr; /* The menu we are drawing */
TkMenuEntry *mePtr; /* The entry we are drawing */
Drawable d; /* The drawable we are drawing into */
GC gc; /* The gc we are drawing with */
Tk_Font tkfont; /* The font we are drawing with */
CONST Tk_FontMetrics *fmPtr; /* The metrics we are drawing with */
int x;
int y;
int width;
int height;
{
XPoint points[2];
int segmentWidth, maxX;
if (menuPtr->menuType != MASTER_MENU) {
return;
}
points[0].x = x;
points[0].y = y + height/2;
points[1].y = points[0].y;
segmentWidth = 6;
maxX = width - 1;
while (points[0].x < maxX) {
points[1].x = points[0].x + segmentWidth;
if (points[1].x > maxX) {
points[1].x = maxX;
}
Tk_Draw3DPolygon(menuPtr->tkwin, d, menuPtr->border, points, 2, 1,
TK_RELIEF_RAISED);
points[0].x += 2*segmentWidth;
}
}
/*
*----------------------------------------------------------------------
*
* TkpConfigureMenuEntry --
*
* Processes configurations for menu entries.
*
* Results:
* Returns standard TCL result. If TCL_ERROR is returned, then
* interp->result contains an error message.
*
* Side effects:
* Configuration information get set for mePtr; old resources
* get freed, if any need it.
*
*----------------------------------------------------------------------
*/
int
TkpConfigureMenuEntry(mePtr)
register TkMenuEntry *mePtr; /* Information about menu entry; may
* or may not already have values for
* some fields. */
{
TkMenu *menuPtr = mePtr->menuPtr;
if (!(menuPtr->menuFlags & MENU_RECONFIGURE_PENDING)) {
menuPtr->menuFlags |= MENU_RECONFIGURE_PENDING;
Tcl_DoWhenIdle(ReconfigureWindowsMenu, (ClientData) menuPtr);
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* TkpDrawMenuEntry --
*
* Draws the given menu entry at the given coordinates with the
* given attributes.
*
* Results:
* None.
*
* Side effects:
* X Server commands are executed to display the menu entry.
*
*----------------------------------------------------------------------
*/
void
TkpDrawMenuEntry(mePtr, d, tkfont, menuMetricsPtr, x, y, width, height,
strictMotif, drawArrow)
TkMenuEntry *mePtr; /* The entry to draw */
Drawable d; /* What to draw into */
Tk_Font tkfont; /* Precalculated font for menu */
CONST Tk_FontMetrics *menuMetricsPtr;
/* Precalculated metrics for menu */
int x; /* X-coordinate of topleft of entry */
int y; /* Y-coordinate of topleft of entry */
int width; /* Width of the entry rectangle */
int height; /* Height of the current rectangle */
int strictMotif; /* Boolean flag */
int drawArrow; /* Whether or not to draw the cascade
* arrow for cascade items. Only applies
* to Windows. */
{
GC gc, indicatorGC;
TkMenu *menuPtr = mePtr->menuPtr;
Tk_3DBorder bgBorder, activeBorder;
CONST Tk_FontMetrics *fmPtr;
Tk_FontMetrics entryMetrics;
int padY = (menuPtr->menuType == MENUBAR) ? 3 : 0;
int adjustedY = y + padY;
int adjustedHeight = height - 2 * padY;
/*
* Choose the gc for drawing the foreground part of the entry.
*/
if ((mePtr->state == tkActiveUid)
&& !strictMotif) {
gc = mePtr->activeGC;
if (gc == NULL) {
gc = menuPtr->activeGC;
}
} else {
TkMenuEntry *cascadeEntryPtr;
int parentDisabled = 0;
for (cascadeEntryPtr = menuPtr->menuRefPtr->parentEntryPtr;
cascadeEntryPtr != NULL;
cascadeEntryPtr = cascadeEntryPtr->nextCascadePtr) {
if (strcmp(cascadeEntryPtr->name,
Tk_PathName(menuPtr->tkwin)) == 0) {
if (cascadeEntryPtr->state == tkDisabledUid) {
parentDisabled = 1;
}
break;
}
}
if (((parentDisabled || (mePtr->state == tkDisabledUid)))
&& (menuPtr->disabledFg != NULL)) {
gc = mePtr->disabledGC;
if (gc == NULL) {
gc = menuPtr->disabledGC;
}
} else {
gc = mePtr->textGC;
if (gc == NULL) {
gc = menuPtr->textGC;
}
}
}
indicatorGC = mePtr->indicatorGC;
if (indicatorGC == NULL) {
indicatorGC = menuPtr->indicatorGC;
}
bgBorder = mePtr->border;
if (bgBorder == NULL) {
bgBorder = menuPtr->border;
}
if (strictMotif) {
activeBorder = bgBorder;
} else {
activeBorder = mePtr->activeBorder;
if (activeBorder == NULL) {
activeBorder = menuPtr->activeBorder;
}
}
if (mePtr->tkfont == NULL) {
fmPtr = menuMetricsPtr;
} else {
tkfont = mePtr->tkfont;
Tk_GetFontMetrics(tkfont, &entryMetrics);
fmPtr = &entryMetrics;
}
/*
* Need to draw the entire background, including padding. On Unix,
* for menubars, we have to draw the rest of the entry taking
* into account the padding.
*/
DrawMenuEntryBackground(menuPtr, mePtr, d, activeBorder,
bgBorder, x, y, width, height);
if (mePtr->type == SEPARATOR_ENTRY) {
DrawMenuSeparator(menuPtr, mePtr, d, gc, tkfont,
fmPtr, x, adjustedY, width, adjustedHeight);
} else if (mePtr->type == TEAROFF_ENTRY) {
DrawTearoffEntry(menuPtr, mePtr, d, gc, tkfont, fmPtr, x, adjustedY,
width, adjustedHeight);
} else {
DrawMenuEntryLabel(menuPtr, mePtr, d, gc, tkfont, fmPtr, x, adjustedY,
width, adjustedHeight);
DrawMenuEntryAccelerator(menuPtr, mePtr, d, gc, tkfont, fmPtr,
activeBorder, x, adjustedY, width, adjustedHeight, drawArrow);
if (!mePtr->hideMargin) {
DrawMenuEntryIndicator(menuPtr, mePtr, d, gc, indicatorGC, tkfont,
fmPtr, x, adjustedY, width, adjustedHeight);
}
}
}
/*
*----------------------------------------------------------------------
*
* GetMenuLabelGeometry --
*
* Figures out the size of the label portion of a menu item.
*
* Results:
* widthPtr and heightPtr are filled in with the correct geometry
* information.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
static void
GetMenuLabelGeometry(mePtr, tkfont, fmPtr, widthPtr, heightPtr)
TkMenuEntry *mePtr; /* The entry we are computing */
Tk_Font tkfont; /* The precalculated font */
CONST Tk_FontMetrics *fmPtr; /* The precalculated metrics */
int *widthPtr; /* The resulting width of the label
* portion */
int *heightPtr; /* The resulting height of the label
* portion */
{
TkMenu *menuPtr = mePtr->menuPtr;
if (mePtr->image != NULL) {
Tk_SizeOfImage(mePtr->image, widthPtr, heightPtr);
} else if (mePtr->bitmap != (Pixmap) NULL) {
Tk_SizeOfBitmap(menuPtr->display, mePtr->bitmap, widthPtr, heightPtr);
} else {
*heightPtr = fmPtr->linespace;
if (mePtr->label != NULL) {
*widthPtr = Tk_TextWidth(tkfont, mePtr->label, mePtr->labelLength);
} else {
*widthPtr = 0;
}
}
*heightPtr += 1;
}
/*
*----------------------------------------------------------------------
*
* DrawMenuEntryBackground --
*
* This procedure draws the background part of a menu.
*
* Results:
* None.
*
* Side effects:
* Commands are output to X to display the menu in its
* current mode.
*
*----------------------------------------------------------------------
*/
static void
DrawMenuEntryBackground(
TkMenu *menuPtr, /* The menu we are drawing. */
TkMenuEntry *mePtr, /* The entry we are drawing. */
Drawable d, /* What we are drawing into */
Tk_3DBorder activeBorder, /* Border for active items */
Tk_3DBorder bgBorder, /* Border for the background */
int x, /* left edge */
int y, /* top edge */
int width, /* width of rectangle to draw */
int height) /* height of rectangle to draw */
{
if (mePtr->state == tkActiveUid) {
bgBorder = activeBorder;
}
Tk_Fill3DRectangle(menuPtr->tkwin, d, bgBorder,
x, y, width, height, 0, TK_RELIEF_FLAT);
}
/*
*--------------------------------------------------------------
*
* TkpComputeStandardMenuGeometry --
*
* This procedure is invoked to recompute the size and
* layout of a menu that is not a menubar clone.
*
* Results:
* None.
*
* Side effects:
* Fields of menu entries are changed to reflect their
* current positions, and the size of the menu window
* itself may be changed.
*
*--------------------------------------------------------------
*/
void
TkpComputeStandardMenuGeometry(
TkMenu *menuPtr) /* Structure describing menu. */
{
Tk_Font tkfont;
Tk_FontMetrics menuMetrics, entryMetrics, *fmPtr;
int x, y, height, width, indicatorSpace, labelWidth, accelWidth;
int windowWidth, windowHeight, accelSpace;
int i, j, lastColumnBreak = 0;
if (menuPtr->tkwin == NULL) {
return;
}
x = y = menuPtr->borderWidth;
indicatorSpace = labelWidth = accelWidth = 0;
windowHeight = 0;
/*
* On the Mac especially, getting font metrics can be quite slow,
* so we want to do it intelligently. We are going to precalculate
* them and pass them down to all of the measuring and drawing
* routines. We will measure the font metrics of the menu once.
* If an entry does not have its own font set, then we give
* the geometry/drawing routines the menu's font and metrics.
* If an entry has its own font, we will measure that font and
* give all of the geometry/drawing the entry's font and metrics.
*/
Tk_GetFontMetrics(menuPtr->tkfont, &menuMetrics);
accelSpace = Tk_TextWidth(menuPtr->tkfont, "M", 1);
for (i = 0; i < menuPtr->numEntries; i++) {
tkfont = menuPtr->entries[i]->tkfont;
if (tkfont == NULL) {
tkfont = menuPtr->tkfont;
fmPtr = &menuMetrics;
} else {
Tk_GetFontMetrics(tkfont, &entryMetrics);
fmPtr = &entryMetrics;
}
if ((i > 0) && menuPtr->entries[i]->columnBreak) {
if (accelWidth != 0) {
labelWidth += accelSpace;
}
for (j = lastColumnBreak; j < i; j++) {
menuPtr->entries[j]->indicatorSpace = indicatorSpace;
menuPtr->entries[j]->labelWidth = labelWidth;
menuPtr->entries[j]->width = indicatorSpace + labelWidth
+ accelWidth + 2 * menuPtr->activeBorderWidth;
menuPtr->entries[j]->x = x;
menuPtr->entries[j]->entryFlags &= ~ENTRY_LAST_COLUMN;
}
x += indicatorSpace + labelWidth + accelWidth
+ 2 * menuPtr->borderWidth;
indicatorSpace = labelWidth = accelWidth = 0;
lastColumnBreak = i;
y = menuPtr->borderWidth;
}
if (menuPtr->entries[i]->type == SEPARATOR_ENTRY) {
GetMenuSeparatorGeometry(menuPtr, menuPtr->entries[i], tkfont,
fmPtr, &width, &height);
menuPtr->entries[i]->height = height;
} else if (menuPtr->entries[i]->type == TEAROFF_ENTRY) {
GetTearoffEntryGeometry(menuPtr, menuPtr->entries[i], tkfont,
fmPtr, &width, &height);
menuPtr->entries[i]->height = height;
} else {
/*
* For each entry, compute the height required by that
* particular entry, plus three widths: the width of the
* label, the width to allow for an indicator to be displayed
* to the left of the label (if any), and the width of the
* accelerator to be displayed to the right of the label
* (if any). These sizes depend, of course, on the type
* of the entry.
*/
GetMenuLabelGeometry(menuPtr->entries[i], tkfont, fmPtr, &width,
&height);
menuPtr->entries[i]->height = height;
if (width > labelWidth) {
labelWidth = width;
}
GetMenuAccelGeometry(menuPtr, menuPtr->entries[i], tkfont,
fmPtr, &width, &height);
if (height > menuPtr->entries[i]->height) {
menuPtr->entries[i]->height = height;
}
if (width > accelWidth) {
accelWidth = width;
}
GetMenuIndicatorGeometry(menuPtr, menuPtr->entries[i], tkfont,
fmPtr, &width, &height);
if (height > menuPtr->entries[i]->height) {
menuPtr->entries[i]->height = height;
}
if (width > indicatorSpace) {
indicatorSpace = width;
}
menuPtr->entries[i]->height += 2 * menuPtr->activeBorderWidth + 1;
}
menuPtr->entries[i]->y = y;
y += menuPtr->entries[i]->height;
if (y > windowHeight) {
windowHeight = y;
}
}
if (accelWidth != 0) {
labelWidth += accelSpace;
}
for (j = lastColumnBreak; j < menuPtr->numEntries; j++) {
menuPtr->entries[j]->indicatorSpace = indicatorSpace;
menuPtr->entries[j]->labelWidth = labelWidth;
menuPtr->entries[j]->width = indicatorSpace + labelWidth
+ accelWidth + 2 * menuPtr->activeBorderWidth;
menuPtr->entries[j]->x = x;
menuPtr->entries[j]->entryFlags |= ENTRY_LAST_COLUMN;
}
windowWidth = x + indicatorSpace + labelWidth + accelWidth + accelSpace
+ 2 * menuPtr->activeBorderWidth
+ 2 * menuPtr->borderWidth;
windowHeight += menuPtr->borderWidth;
/*
* The X server doesn't like zero dimensions, so round up to at least
* 1 (a zero-sized menu should never really occur, anyway).
*/
if (windowWidth <= 0) {
windowWidth = 1;
}
if (windowHeight <= 0) {
windowHeight = 1;
}
menuPtr->totalWidth = windowWidth;
menuPtr->totalHeight = windowHeight;
}
/*
*----------------------------------------------------------------------
*
* MenuSelectEvent --
*
* Generates a "MenuSelect" virtual event. This can be used to
* do context-sensitive menu help.
*
* Results:
* None.
*
* Side effects:
* Places a virtual event on the event queue.
*
*----------------------------------------------------------------------
*/
static void
MenuSelectEvent(
TkMenu *menuPtr) /* the menu we have selected. */
{
XVirtualEvent event;
POINTS rootPoint;
DWORD msgPos;
event.type = VirtualEvent;
event.serial = menuPtr->display->request;
event.send_event = 0;
event.display = menuPtr->display;
Tk_MakeWindowExist(menuPtr->tkwin);
event.event = Tk_WindowId(menuPtr->tkwin);
event.root = XRootWindow(menuPtr->display, 0);
event.subwindow = None;
event.time = TkpGetMS();
msgPos = GetMessagePos();
rootPoint = MAKEPOINTS(msgPos);
event.x_root = rootPoint.x;
event.y_root = rootPoint.y;
event.state = TkWinGetModifierState();
event.same_screen = 1;
event.name = Tk_GetUid("MenuSelect");
Tk_QueueWindowEvent((XEvent *) &event, TCL_QUEUE_TAIL);
}
/*
*----------------------------------------------------------------------
*
* TkpMenuNotifyToplevelCreate --
*
* This routine reconfigures the menu and the clones indicated by
* menuName becuase a toplevel has been created and any system
* menus need to be created.
*
* Results:
* None.
*
* Side effects:
* An idle handler is set up to do the reconfiguration.
*
*----------------------------------------------------------------------
*/
void
TkpMenuNotifyToplevelCreate(
Tcl_Interp *interp, /* The interp the menu lives in. */
char *menuName) /* The name of the menu to
* reconfigure. */
{
TkMenuReferences *menuRefPtr;
TkMenu *menuPtr;
if ((menuName != NULL) && (menuName[0] != '\0')) {
menuRefPtr = TkFindMenuReferences(interp, menuName);
if ((menuRefPtr != NULL) && (menuRefPtr->menuPtr != NULL)) {
for (menuPtr = menuRefPtr->menuPtr->masterMenuPtr; menuPtr != NULL;
menuPtr = menuPtr->nextInstancePtr) {
if ((menuPtr->menuType == MENUBAR)
&& !(menuPtr->menuFlags & MENU_RECONFIGURE_PENDING)) {
menuPtr->menuFlags |= MENU_RECONFIGURE_PENDING;
Tcl_DoWhenIdle(ReconfigureWindowsMenu,
(ClientData) menuPtr);
}
}
}
}
}
/*
*----------------------------------------------------------------------
*
* MenuExitHandler --
*
* Throws away the utility window needed for menus and unregisters
* the class.
*
* Results:
* None.
*
* Side effects:
* Menus have to be reinitialized next time.
*
*----------------------------------------------------------------------
*/
static void
MenuExitHandler(
ClientData clientData) /* Not used */
{
DestroyWindow(menuHWND);
UnregisterClass(MENU_CLASS_NAME, Tk_GetHINSTANCE());
}
/*
*----------------------------------------------------------------------
*
* TkpMenuInit --
*
* Sets up the hash tables and the variables used by the menu package.
*
* Results:
* None.
*
* Side effects:
* lastMenuID gets initialized, and the parent hash and the command hash
* are allocated.
*
*----------------------------------------------------------------------
*/
void
TkpMenuInit()
{
WNDCLASS wndClass;
char sizeString[4];
char faceName[LF_FACESIZE];
HDC scratchDC;
Tcl_DString boldItalicDString;
int bold = 0;
int italic = 0;
int i;
TEXTMETRIC tm;
Tcl_InitHashTable(&winMenuTable, TCL_ONE_WORD_KEYS);
Tcl_InitHashTable(&commandTable, TCL_ONE_WORD_KEYS);
wndClass.style = CS_OWNDC;
wndClass.lpfnWndProc = TkWinMenuProc;
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = 0;
wndClass.hInstance = Tk_GetHINSTANCE();
wndClass.hIcon = NULL;
wndClass.hCursor = NULL;
wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wndClass.lpszMenuName = NULL;
wndClass.lpszClassName = MENU_CLASS_NAME;
RegisterClass(&wndClass);
menuHWND = CreateWindow(MENU_CLASS_NAME, "MenuWindow", WS_POPUP,
0, 0, 10, 10, NULL, NULL, Tk_GetHINSTANCE(), NULL);
Tcl_CreateExitHandler(MenuExitHandler, (ClientData) NULL);
versionInfo.dwOSVersionInfoSize = sizeof(versionInfo);
/*
* If GetVersionEx fails, it means that the version info record
* is too big for what is compiled. Should never happen, but if
* it does, we are later than Windows 95 or NT 4.0.
*/
if (!GetVersionEx(&versionInfo)) {
versionInfo.dwMajorVersion = 4;
}
/*
* Set all of the default options. The loop will terminate when we run
* out of options via a break statement.
*/
for (i = 0; ; i++) {
if (tkMenuConfigSpecs[i].type == TK_CONFIG_END) {
break;
}
if ((strcmp(tkMenuConfigSpecs[i].dbName,
"activeBorderWidth") == 0) ||
(strcmp(tkMenuConfigSpecs[i].dbName, "borderWidth") == 0)) {
int borderWidth;
borderWidth = GetSystemMetrics(SM_CXBORDER);
if (GetSystemMetrics(SM_CYBORDER) > borderWidth) {
borderWidth = GetSystemMetrics(SM_CYBORDER);
}
sprintf(borderString, "%d", borderWidth);
tkMenuConfigSpecs[i].defValue = borderString;
} else if ((strcmp(tkMenuConfigSpecs[i].dbName, "font") == 0)) {
int pointSize;
HFONT menuFont;
scratchDC = CreateDC("DISPLAY", NULL, NULL, NULL);
Tcl_DStringInit(&menuFontDString);
#ifdef STk_CODE
Tcl_DStringAppend(&menuFontDString, "(", 1);
#endif
if (versionInfo.dwMajorVersion >= 4) {
NONCLIENTMETRICS ncMetrics;
ncMetrics.cbSize = sizeof(ncMetrics);
SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(ncMetrics),
&ncMetrics, 0);
menuFont = CreateFontIndirect(&ncMetrics.lfMenuFont);
} else {
menuFont = GetStockObject(SYSTEM_FONT);
}
SelectObject(scratchDC, menuFont);
GetTextMetrics(scratchDC, &tm);
GetTextFace(scratchDC, sizeof(menuFontDString), faceName);
pointSize = MulDiv(tm.tmHeight - tm.tmInternalLeading,
72, GetDeviceCaps(scratchDC, LOGPIXELSY));
if (tm.tmWeight >= 700) {
bold = 1;
}
if (tm.tmItalic) {
italic = 1;
}
SelectObject(scratchDC, GetStockObject(SYSTEM_FONT));
DeleteDC(scratchDC);
DeleteObject(menuFont);
Tcl_DStringAppendElement(&menuFontDString, faceName);
#ifdef STk_CODE
Tcl_DStringAppend(&menuFontDString, ")", 1);
#endif
sprintf(sizeString, "%d", pointSize);
Tcl_DStringAppendElement(&menuFontDString, sizeString);
if (bold == 1 || italic == 1) {
Tcl_DStringInit(&boldItalicDString);
if (bold == 1) {
Tcl_DStringAppendElement(&boldItalicDString, "bold");
}
if (italic == 1) {
Tcl_DStringAppendElement(&boldItalicDString, "italic");
}
Tcl_DStringAppendElement(&menuFontDString,
Tcl_DStringValue(&boldItalicDString));
}
tkMenuConfigSpecs[i].defValue = Tcl_DStringValue(&menuFontDString);
}
}
/*
* Now we go ahead and get the dimensions of the check mark and the
* appropriate margins. Since this is fairly hairy, we do it here
* to save time when traversing large sets of menu items.
*
* The code below was given to me by Microsoft over the phone. It
* is the only way to insure menu items lining up, and is not
* documented.
*/
if (versionInfo.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) {
indicatorDimensions[0] = GetSystemMetrics(SM_CYMENUCHECK);
indicatorDimensions[1] = ((GetSystemMetrics(SM_CXFIXEDFRAME) +
GetSystemMetrics(SM_CXBORDER)
+ GetSystemMetrics(SM_CXMENUCHECK) + 7) & 0xFFF8)
- GetSystemMetrics(SM_CXFIXEDFRAME);
} else {
DWORD dimensions = GetMenuCheckMarkDimensions();
indicatorDimensions[0] = HIWORD(dimensions);
indicatorDimensions[1] = LOWORD(dimensions);
}
}