/*
* tkWinMenu.c --
*
* This module implements the Windows platform-specific features of
* menus.
*
* Copyright (c) 1996-1998 by Sun Microsystems, Inc.
* Copyright (c) 1998-1999 by Scriptics Corporation.
*
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
#define OEMRESOURCE
#include "tkWinInt.h"
#include "tkMenu.h"
/*
* The class of the window for popup menus.
*/
#define MENU_CLASS_NAME TEXT("MenuWindowClass")
#define EMBEDDED_MENU_CLASS_NAME TEXT("EmbeddedMenuWindowClass")
/*
* 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
/*
* ODS_NOACCEL flag forbids drawing accelerator cues (i.e. underlining labels)
* on Windows 2000 and above. The ODS_NOACCEL define is missing from mingw32
* headers and undefined for _WIN32_WINNT < 0x0500 in Microsoft SDK. We might
* check for _WIN32_WINNT here, but I think it's not needed, as checking for
* this flag does no harm on even on NT: reserved bits should be zero, and in
* fact they are.
*/
#ifndef ODS_NOACCEL
#define ODS_NOACCEL 0x100
#endif
#ifndef SPI_GETKEYBOARDCUES
#define SPI_GETKEYBOARDCUES 0x100A
#endif
#ifndef WM_UPDATEUISTATE
#define WM_UPDATEUISTATE 0x0128
#endif
#ifndef UIS_SET
#define UIS_SET 1
#endif
#ifndef UIS_CLEAR
#define UIS_CLEAR 2
#endif
#ifndef UISF_HIDEACCEL
#define UISF_HIDEACCEL 2
#endif
#ifndef WM_UNINITMENUPOPUP
#define WM_UNINITMENUPOPUP 0x0125
#endif
static int indicatorDimensions[2];
/* The dimensions of the indicator space in a
* menu entry. Calculated at init time to save
* time. */
static BOOL showMenuAccelerators;
typedef struct ThreadSpecificData {
int inPostMenu; /* We cannot be re-entrant like X Windows. */
WORD lastCommandID; /* The last command ID we allocated. */
HWND menuHWND; /* A window to service popup-menu messages
* in. */
HWND embeddedMenuHWND; /* A window to service embedded menu
* messages */
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. */
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. */
Tcl_HashTable commandTable; /* A map of command ids to menu entries */
Tcl_HashTable winMenuTable; /* Need this to map HMENUs back to menuPtrs */
} ThreadSpecificData;
static Tcl_ThreadDataKey dataKey;
/*
* The following are default menu value strings.
*/
static int defaultBorderWidth; /* The windows default border width. */
static Tcl_DString menuFontDString;
/* A buffer to store the default menu font
* string. */
/*
* Forward declarations for functions defined later in this file:
*/
static void DrawMenuEntryAccelerator(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);
static void DrawMenuEntryArrow(TkMenu *menuPtr, TkMenuEntry *mePtr,
Drawable d, GC gc, Tk_3DBorder activeBorder,
int x,int y, int width, int height, int drawArrow);
static void DrawMenuEntryBackground(TkMenu *menuPtr,
TkMenuEntry *mePtr, Drawable d,
Tk_3DBorder activeBorder, Tk_3DBorder bgBorder,
int x, int y, int width, int heigth);
static void DrawMenuEntryIndicator(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(TkMenu *menuPtr, TkMenuEntry *mePtr,
Drawable d, GC gc, Tk_Font tkfont,
const Tk_FontMetrics *fmPtr, int x, int y,
int width, int height, int underline);
static void DrawMenuSeparator(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(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(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(Display *display,
Drawable drawable, GC gc, const RECT *rectPtr,
int bitmapID, int alignFlags);
static void FreeID(WORD commandID);
static char * GetEntryText(TkMenuEntry *mePtr);
static void GetMenuAccelGeometry(TkMenu *menuPtr,
TkMenuEntry *mePtr, Tk_Font tkfont,
const Tk_FontMetrics *fmPtr, int *widthPtr,
int *heightPtr);
static void GetMenuLabelGeometry(TkMenuEntry *mePtr,
Tk_Font tkfont, const Tk_FontMetrics *fmPtr,
int *widthPtr, int *heightPtr);
static void GetMenuIndicatorGeometry(TkMenu *menuPtr,
TkMenuEntry *mePtr, Tk_Font tkfont,
const Tk_FontMetrics *fmPtr,
int *widthPtr, int *heightPtr);
static void GetMenuSeparatorGeometry(TkMenu *menuPtr,
TkMenuEntry *mePtr, Tk_Font tkfont,
const Tk_FontMetrics *fmPtr,
int *widthPtr, int *heightPtr);
static void GetTearoffEntryGeometry(TkMenu *menuPtr,
TkMenuEntry *mePtr, Tk_Font tkfont,
const Tk_FontMetrics *fmPtr, int *widthPtr,
int *heightPtr);
static int GetNewID(TkMenuEntry *mePtr, WORD *menuIDPtr);
static int TkWinMenuKeyObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc,
Tcl_Obj *const objv[]);
static void MenuSelectEvent(TkMenu *menuPtr);
static void ReconfigureWindowsMenu(ClientData clientData);
static void RecursivelyClearActiveMenu(TkMenu *menuPtr);
static void SetDefaults(int firstTime);
static LRESULT CALLBACK TkWinMenuProc(HWND hwnd, UINT message, WPARAM wParam,
LPARAM lParam);
static LRESULT CALLBACK TkWinEmbeddedMenuProc(HWND hwnd, UINT message,
WPARAM wParam, LPARAM lParam);
static inline void
ScheduleMenuReconfigure(
TkMenu *menuPtr)
{
if (!(menuPtr->menuFlags & MENU_RECONFIGURE_PENDING)) {
menuPtr->menuFlags |= MENU_RECONFIGURE_PENDING;
Tcl_DoWhenIdle(ReconfigureWindowsMenu, menuPtr);
}
}
static inline void
CallPendingReconfigureImmediately(
TkMenu *menuPtr)
{
if (menuPtr->menuFlags & MENU_RECONFIGURE_PENDING) {
Tcl_CancelIdleCall(ReconfigureWindowsMenu, menuPtr);
ReconfigureWindowsMenu(menuPtr);
}
}
/*
*----------------------------------------------------------------------
*
* 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(
TkMenuEntry *mePtr, /* The menu we are working with. */
WORD *menuIDPtr) /* The resulting id. */
{
ThreadSpecificData *tsdPtr =
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
WORD curID = tsdPtr->lastCommandID;
while (1) {
Tcl_HashEntry *commandEntryPtr;
int new;
/*
* Try the next ID number, taking care to wrap rather than stray
* into the system menu IDs. [Bug 3235256]
*/
if (++curID >= 0xF000) {
curID = 1;
}
/* Return error when we've checked all IDs without success. */
if (curID == tsdPtr->lastCommandID) {
return TCL_ERROR;
}
commandEntryPtr = Tcl_CreateHashEntry(&tsdPtr->commandTable,
INT2PTR(curID), &new);
if (new) {
Tcl_SetHashValue(commandEntryPtr, mePtr);
*menuIDPtr = curID;
tsdPtr->lastCommandID = curID;
return TCL_OK;
}
}
}
/*
*----------------------------------------------------------------------
*
* FreeID --
*
* Marks the itemID as free.
*
* Results:
* None.
*
* Side effects:
* The hash table entry for the ID is cleared.
*
*----------------------------------------------------------------------
*/
static void
FreeID(
WORD commandID)
{
ThreadSpecificData *tsdPtr =
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
/*
* If the menuHWND is NULL, this table has been finalized already.
*/
if (tsdPtr->menuHWND != NULL) {
Tcl_HashEntry *entryPtr = Tcl_FindHashEntry(&tsdPtr->commandTable,
INT2PTR(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(
TkMenu *menuPtr) /* The common structure we are making the
* platform structure for. */
{
HMENU winMenuHdl;
Tcl_HashEntry *hashEntryPtr;
int newEntry;
ThreadSpecificData *tsdPtr =
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
winMenuHdl = CreatePopupMenu();
if (winMenuHdl == NULL) {
Tcl_SetObjResult(menuPtr->interp, Tcl_NewStringObj(
"No more menus can be allocated.", -1));
Tcl_SetErrorCode(menuPtr->interp, "TK", "MENU", "SYSTEM_RESOURCES", 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(&tsdPtr->winMenuTable,
(char *) winMenuHdl, &newEntry);
Tcl_SetHashValue(hashEntryPtr, 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(
TkMenu *menuPtr) /* The common menu structure */
{
HMENU winMenuHdl = (HMENU) menuPtr->platformData;
const char *searchName;
ThreadSpecificData *tsdPtr =
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
if (menuPtr->menuFlags & MENU_RECONFIGURE_PENDING) {
Tcl_CancelIdleCall(ReconfigureWindowsMenu, 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) {
searchName = Tcl_GetString(searchEntryPtr->namePtr);
if (strcmp(searchName, menuName) == 0) {
Tk_Window parentTopLevelPtr = searchEntryPtr
->menuPtr->parentTopLevelPtr;
if (parentTopLevelPtr != NULL) {
GetSystemMenu(
TkWinGetWrapperWindow(parentTopLevelPtr), TRUE);
}
break;
}
}
} else {
/*
* Remove the menu from the menu hash table, then destroy the handle.
* If the menuHWND is NULL, this table has been finalized already.
*/
if (tsdPtr->menuHWND != NULL) {
Tcl_HashEntry *hashEntryPtr =
Tcl_FindHashEntry(&tsdPtr->winMenuTable, (char *) winMenuHdl);
if (hashEntryPtr != NULL) {
Tcl_DeleteHashEntry(hashEntryPtr);
}
}
DestroyMenu(winMenuHdl);
}
menuPtr->platformData = NULL;
if (menuPtr == tsdPtr->modalMenuPtr) {
tsdPtr->modalMenuPtr = NULL;
}
}
/*
*----------------------------------------------------------------------
*
* TkpDestroyMenuEntry --
*
* Cleans up platform-specific menu entry items.
*
* Results:
* None
*
* Side effects:
* All platform-specific allocations are freed up.
*
*----------------------------------------------------------------------
*/
void
TkpDestroyMenuEntry(
TkMenuEntry *mePtr) /* The entry to destroy */
{
TkMenu *menuPtr = mePtr->menuPtr;
HMENU winMenuHdl = (HMENU) menuPtr->platformData;
if (NULL != winMenuHdl) {
ScheduleMenuReconfigure(menuPtr);
}
FreeID((WORD) PTR2INT(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(
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->imagePtr != NULL) {
itemText = ckalloc(sizeof("(Image)"));
strcpy(itemText, "(Image)");
} else if (mePtr->bitmapPtr != NULL) {
itemText = ckalloc(sizeof("(Pixmap)"));
strcpy(itemText, "(Pixmap)");
} else if (mePtr->labelPtr == NULL || mePtr->labelLength == 0) {
itemText = ckalloc(sizeof("( )"));
strcpy(itemText, "( )");
} else {
int i;
const char *label = (mePtr->labelPtr == NULL) ? ""
: Tcl_GetString(mePtr->labelPtr);
const char *accel = (mePtr->accelPtr == NULL) ? ""
: Tcl_GetString(mePtr->accelPtr);
const char *p, *next;
Tcl_DString itemString;
/*
* 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.
*/
Tcl_DStringInit(&itemString);
for (p = label, i = 0; *p != '\0'; i++, p = next) {
if (i == mePtr->underline) {
Tcl_DStringAppend(&itemString, "&", 1);
}
if (*p == '&') {
Tcl_DStringAppend(&itemString, "&", 1);
}
next = Tcl_UtfNext(p);
Tcl_DStringAppend(&itemString, p, (int) (next - p));
}
if (mePtr->accelLength > 0) {
Tcl_DStringAppend(&itemString, "\t", 1);
for (p = accel, i = 0; *p != '\0'; i++, p = next) {
if (*p == '&') {
Tcl_DStringAppend(&itemString, "&", 1);
}
next = Tcl_UtfNext(p);
Tcl_DStringAppend(&itemString, p, (int) (next - p));
}
}
itemText = ckalloc(Tcl_DStringLength(&itemString) + 1);
strcpy(itemText, Tcl_DStringValue(&itemString));
Tcl_DStringFree(&itemString);
}
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 = clientData;
TkMenuEntry *mePtr;
HMENU winMenuHdl = (HMENU) menuPtr->platformData;
char *itemText = NULL;
const TCHAR *lpNewItem;
UINT flags;
UINT itemID;
int i, count, systemMenu = 0, base;
Tcl_DString translatedText;
if (NULL == winMenuHdl) {
return;
}
/*
* Reconstruct the entire menu. Takes care of nasty system menu and index
* problem.
*/
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;
Tcl_DStringInit(&translatedText);
if ((menuPtr->menuType == MENUBAR) && (mePtr->type == TEAROFF_ENTRY)) {
continue;
}
itemText = GetEntryText(mePtr);
if ((menuPtr->menuType == MENUBAR)
|| (menuPtr->menuFlags & MENU_SYSTEM_MENU)) {
Tcl_WinUtfToTChar(itemText, -1, &translatedText);
lpNewItem = (const TCHAR *) Tcl_DStringValue(&translatedText);
flags |= MF_STRING;
} else {
lpNewItem = (LPCTSTR) mePtr;
flags |= MF_OWNERDRAW;
}
/*
* Set enabling and disabling correctly.
*/
if (mePtr->state == ENTRY_DISABLED) {
flags |= MF_DISABLED | MF_GRAYED;
}
/*
* 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;
}
/*
* Set the SEPARATOR bit for separator entries. This bit is not used
* by our internal drawing functions, but it is used by the system
* when drawing the system menu (we do not draw the system menu
* ourselves). If this bit is not set, separator entries on the system
* menu will not be drawn correctly.
*/
if (mePtr->type == SEPARATOR_ENTRY) {
flags |= MF_SEPARATOR;
}
if (mePtr->columnBreak) {
flags |= MF_MENUBREAK;
}
itemID = PTR2INT(mePtr->platformEntryData);
if ((mePtr->type == CASCADE_ENTRY)
&& (mePtr->childMenuRefPtr != NULL)
&& (mePtr->childMenuRefPtr->menuPtr != NULL)) {
HMENU childMenuHdl = (HMENU) mePtr->childMenuRefPtr->menuPtr
->platformData;
if (childMenuHdl != NULL) {
/*
* Win32 draws the popup arrow in the wrong color for a
* disabled cascade menu, so do it by hand. Given it is
* disabled, there's no need for it to be connected to its
* child.
*/
if (mePtr->state != ENTRY_DISABLED) {
flags |= MF_POPUP;
/*
* If the MF_POPUP flag is set, then the id is interpreted
* as the handle of a submenu.
*/
itemID = PTR2INT(childMenuHdl);
}
}
if ((menuPtr->menuType == MENUBAR)
&& !(mePtr->childMenuRefPtr->menuPtr->menuFlags
& MENU_SYSTEM_MENU)) {
Tcl_DString ds;
TkMenuReferences *menuRefPtr;
TkMenu *systemMenuPtr = mePtr->childMenuRefPtr->menuPtr;
Tcl_DStringInit(&ds);
Tcl_DStringAppend(&ds,
Tk_PathName(menuPtr->masterMenuPtr->tkwin), -1);
Tcl_DStringAppend(&ds, ".system", 7);
menuRefPtr = TkFindMenuReferences(menuPtr->interp,
Tcl_DStringValue(&ds));
Tcl_DStringFree(&ds);
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;
ScheduleMenuReconfigure(systemMenuPtr);
}
}
}
if (mePtr->childMenuRefPtr->menuPtr->menuFlags
& MENU_SYSTEM_MENU) {
systemMenu++;
}
}
if (!systemMenu) {
InsertMenu(winMenuHdl, 0xFFFFFFFF, flags, itemID, lpNewItem);
}
Tcl_DStringFree(&translatedText);
if (itemText != NULL) {
ckfree(itemText);
itemText = NULL;
}
}
if ((menuPtr->menuType == MENUBAR)
&& (menuPtr->parentTopLevelPtr != NULL)) {
HANDLE bar = TkWinGetWrapperWindow(menuPtr->parentTopLevelPtr);
if (bar) {
DrawMenuBar(bar);
}
}
menuPtr->menuFlags &= ~(MENU_RECONFIGURE_PENDING);
}
/*
*----------------------------------------------------------------------
*
* TkpPostMenu --
*
* Posts a menu on the screen
*
* Results:
* None.
*
* Side effects:
* The menu is posted and handled.
*
*----------------------------------------------------------------------
*/
int
TkpPostMenu(
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();
ThreadSpecificData *tsdPtr =
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
tsdPtr->inPostMenu++;
CallPendingReconfigureImmediately(menuPtr);
result = TkPreprocessMenu(menuPtr);
if (result != TCL_OK) {
tsdPtr->inPostMenu--;
return result;
}
/*
* The post commands could have deleted the menu, which means
* we are dead and should go away.
*/
if (menuPtr->tkwin == NULL) {
tsdPtr->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,
tsdPtr->menuHWND, &noGoawayRect);
Tcl_SetServiceMode(oldServiceMode);
GetCursorPos(&point);
Tk_PointerEvent(NULL, point.x, point.y);
if (tsdPtr->inPostMenu) {
tsdPtr->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(
TkMenuEntry *mePtr)
{
WORD commandID;
TkMenu *menuPtr = mePtr->menuPtr;
if (GetNewID(mePtr, &commandID) != TCL_OK) {
return TCL_ERROR;
}
ScheduleMenuReconfigure(menuPtr);
mePtr->platformEntryData = (TkMenuPlatformEntryData) INT2PTR(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 hwnd,
UINT message,
WPARAM wParam,
LPARAM lParam)
{
LRESULT lResult;
if (!TkWinHandleMenuEvent(&hwnd, &message, &wParam, &lParam, &lResult)) {
lResult = DefWindowProcA(hwnd, message, wParam, lParam);
}
return lResult;
}
/*
*----------------------------------------------------------------------
*
* UpdateEmbeddedMenu --
*
* This function is used as work-around for updating the pull-down window
* of an embedded menu which may show as a blank popup window.
*
* Results:
* Invalidate the client area of the embedded pull-down menu and
* redraw it.
*
* Side effects:
* Redraw the embedded menu window.
*
*----------------------------------------------------------------------
*/
static void
UpdateEmbeddedMenu(
ClientData clientData)
{
RECT rc;
HWND hMenuWnd = (HWND)clientData;
GetClientRect(hMenuWnd, &rc);
InvalidateRect(hMenuWnd, &rc, FALSE);
UpdateWindow(hMenuWnd);
}
/*
*----------------------------------------------------------------------
*
* TkWinEmbeddedMenuProc --
*
* This window proc is for the embedded menu windows. It provides
* message services to an embedded menu in a different process.
*
* Results:
* Returns 1 if the message has been handled or 0 otherwise.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
static LRESULT CALLBACK
TkWinEmbeddedMenuProc(
HWND hwnd,
UINT message,
WPARAM wParam,
LPARAM lParam)
{
static int nIdles = 0;
LRESULT lResult = 1;
ThreadSpecificData *tsdPtr =
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
switch(message) {
case WM_ENTERIDLE:
if ((wParam == MSGF_MENU) && (nIdles < 1)
&& (hwnd == tsdPtr->embeddedMenuHWND)) {
Tcl_CreateTimerHandler(200, UpdateEmbeddedMenu,
(ClientData) lParam);
nIdles++;
}
break;
case WM_INITMENUPOPUP:
nIdles = 0;
break;
case WM_SETTINGCHANGE:
if (wParam == SPI_SETNONCLIENTMETRICS
|| wParam == SPI_SETKEYBOARDCUES) {
SetDefaults(0);
}
break;
case WM_INITMENU:
case WM_SYSCOMMAND:
case WM_COMMAND:
case WM_MENUCHAR:
case WM_MEASUREITEM:
case WM_DRAWITEM:
case WM_MENUSELECT:
lResult = TkWinHandleMenuEvent(&hwnd, &message, &wParam, &lParam,
&lResult);
if (lResult || (GetCapture() != hwnd)) {
break;
}
default:
lResult = DefWindowProcA(hwnd, message, wParam, lParam);
break;
}
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(
HWND *phwnd,
UINT *pMessage,
WPARAM *pwParam,
LPARAM *plParam,
LRESULT *plResult)
{
Tcl_HashEntry *hashEntryPtr;
int returnResult = 0;
TkMenu *menuPtr;
TkMenuEntry *mePtr;
ThreadSpecificData *tsdPtr =
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
switch (*pMessage) {
case WM_UNINITMENUPOPUP:
hashEntryPtr = Tcl_FindHashEntry(&tsdPtr->winMenuTable,
(char *) *pwParam);
if (hashEntryPtr != NULL) {
menuPtr = Tcl_GetHashValue(hashEntryPtr);
if ((menuPtr->menuRefPtr != NULL)
&& (menuPtr->menuRefPtr->parentEntryPtr != NULL)) {
TkPostSubmenu(menuPtr->interp,
menuPtr->menuRefPtr->parentEntryPtr->menuPtr, NULL);
}
}
break;
case WM_INITMENU:
TkMenuInit();
hashEntryPtr = Tcl_FindHashEntry(&tsdPtr->winMenuTable,
(char *) *pwParam);
if (hashEntryPtr != NULL) {
tsdPtr->oldServiceMode = Tcl_SetServiceMode(TCL_SERVICE_ALL);
menuPtr = Tcl_GetHashValue(hashEntryPtr);
tsdPtr->modalMenuPtr = menuPtr;
CallPendingReconfigureImmediately(menuPtr);
RecursivelyClearActiveMenu(menuPtr);
if (!tsdPtr->inPostMenu) {
Tcl_Interp *interp = menuPtr->interp;
int code;
Tcl_Preserve(interp);
code = TkPreprocessMenu(menuPtr);
if ((code != TCL_OK) && (code != TCL_CONTINUE)
&& (code != TCL_BREAK)) {
Tcl_AddErrorInfo(interp, "\n (menu preprocess)");
Tcl_BackgroundException(interp, code);
}
Tcl_Release(interp);
}
TkActivateMenuEntry(menuPtr, -1);
*plResult = 0;
returnResult = 1;
} else {
tsdPtr->modalMenuPtr = NULL;
}
break;
case WM_SYSCOMMAND:
case WM_COMMAND:
TkMenuInit();
if (HIWORD(*pwParam) != 0) {
break;
}
hashEntryPtr = Tcl_FindHashEntry(&tsdPtr->commandTable,
INT2PTR(LOWORD(*pwParam)));
if (hashEntryPtr == NULL) {
break;
}
mePtr = 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 ; ;
parentEntryPtr = parentEntryPtr->nextCascadePtr) {
const char *name = Tcl_GetString(parentEntryPtr->namePtr);
if (strcmp(name, Tk_PathName(menuPtr->tkwin)) == 0) {
break;
}
}
if (parentEntryPtr->menuPtr->entries[parentEntryPtr->index]
->state != ENTRY_DISABLED) {
TkActivateMenuEntry(parentEntryPtr->menuPtr,
parentEntryPtr->index);
}
}
interp = menuPtr->interp;
Tcl_Preserve(interp);
code = TkInvokeMenu(interp, menuPtr, mePtr->index);
if (code != TCL_OK && code != TCL_CONTINUE && code != TCL_BREAK) {
Tcl_AddErrorInfo(interp, "\n (menu invoke)");
Tcl_BackgroundException(interp, code);
}
Tcl_Release(interp);
*plResult = 0;
returnResult = 1;
}
break;
case WM_MENUCHAR: {
hashEntryPtr = Tcl_FindHashEntry(&tsdPtr->winMenuTable,
(char *) *plParam);
if (hashEntryPtr != NULL) {
int i, len, underline;
Tcl_Obj *labelPtr;
Tcl_UniChar *wlabel, menuChar;
*plResult = 0;
menuPtr = Tcl_GetHashValue(hashEntryPtr);
/*
* Assume we have something directly convertable to Tcl_UniChar.
* True at least for wide systems.
*/
menuChar = Tcl_UniCharToUpper((Tcl_UniChar) LOWORD(*pwParam));
for (i = 0; i < menuPtr->numEntries; i++) {
underline = menuPtr->entries[i]->underline;
labelPtr = menuPtr->entries[i]->labelPtr;
if ((underline >= 0) && (labelPtr != NULL)) {
/*
* Ensure we don't exceed the label length, then check
*/
wlabel = Tcl_GetUnicodeFromObj(labelPtr, &len);
if ((underline < len) && (menuChar ==
Tcl_UniCharToUpper(wlabel[underline]))) {
*plResult = (2 << 16) | i;
returnResult = 1;
break;
}
}
}
}
break;
}
case WM_MEASUREITEM: {
LPMEASUREITEMSTRUCT itemPtr = (LPMEASUREITEMSTRUCT) *plParam;
if (itemPtr != NULL && tsdPtr->modalMenuPtr != 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[1];
} else {
int activeBorderWidth;
Tk_GetPixelsFromObj(menuPtr->interp, menuPtr->tkwin,
menuPtr->activeBorderWidthPtr, &activeBorderWidth);
itemPtr->itemWidth += 2 * activeBorderWidth;
}
*plResult = 1;
returnResult = 1;
}
break;
}
case WM_DRAWITEM: {
TkWinDrawable *twdPtr;
LPDRAWITEMSTRUCT itemPtr = (LPDRAWITEMSTRUCT) *plParam;
Tk_FontMetrics fontMetrics;
int drawingParameters = 0;
if (itemPtr != NULL && tsdPtr->modalMenuPtr != NULL) {
Tk_Font tkfont;
if (itemPtr->itemState & ODS_NOACCEL && !showMenuAccelerators) {
drawingParameters |= DRAW_MENU_ENTRY_NOUNDERLINE;
}
mePtr = (TkMenuEntry *) itemPtr->itemData;
menuPtr = mePtr->menuPtr;
twdPtr = ckalloc(sizeof(TkWinDrawable));
twdPtr->type = TWD_WINDC;
twdPtr->winDC.hdc = itemPtr->hDC;
if (mePtr->state != ENTRY_DISABLED) {
if (itemPtr->itemState & ODS_SELECTED) {
TkActivateMenuEntry(menuPtr, mePtr->index);
} else {
TkActivateMenuEntry(menuPtr, -1);
}
} else {
/*
* On windows, menu entries should highlight even if they are
* disabled. (I know this seems dumb, but it is the way native
* windows menus works so we ought to mimic it.) The
* ENTRY_PLATFORM_FLAG1 flag will indicate that the entry
* should be highlighted even though it is disabled.
*/
if (itemPtr->itemState & ODS_SELECTED) {
mePtr->entryFlags |= ENTRY_PLATFORM_FLAG1;
} else {
mePtr->entryFlags &= ~ENTRY_PLATFORM_FLAG1;
}
/*
* Also, set the DRAW_MENU_ENTRY_ARROW flag for a disabled
* cascade menu since we need to draw the arrow ourselves.
*/
if (mePtr->type == CASCADE_ENTRY) {
drawingParameters |= DRAW_MENU_ENTRY_ARROW;
}
}
tkfont = Tk_GetFontFromObj(menuPtr->tkwin, menuPtr->fontPtr);
Tk_GetFontMetrics(tkfont, &fontMetrics);
TkpDrawMenuEntry(mePtr, (Drawable) twdPtr, tkfont, &fontMetrics,
itemPtr->rcItem.left, itemPtr->rcItem.top,
itemPtr->rcItem.right - itemPtr->rcItem.left,
itemPtr->rcItem.bottom - itemPtr->rcItem.top,
0, drawingParameters);
ckfree(twdPtr);
}
*plResult = 1;
returnResult = 1;
break;
}
case WM_MENUSELECT: {
UINT flags = HIWORD(*pwParam);
TkMenuInit();
if ((flags == 0xFFFF) && (*plParam == 0)) {
if (tsdPtr->modalMenuPtr != NULL) {
Tcl_SetServiceMode(tsdPtr->oldServiceMode);
RecursivelyClearActiveMenu(tsdPtr->modalMenuPtr);
}
} else {
menuPtr = NULL;
if (*plParam != 0) {
hashEntryPtr = Tcl_FindHashEntry(&tsdPtr->winMenuTable,
(char *) *plParam);
if (hashEntryPtr != NULL) {
menuPtr = Tcl_GetHashValue(hashEntryPtr);
}
}
if (menuPtr != NULL) {
long entryIndex = LOWORD(*pwParam);
mePtr = NULL;
if (flags != 0xFFFF) {
if ((flags&MF_POPUP) && (entryIndex<menuPtr->numEntries)) {
mePtr = menuPtr->entries[entryIndex];
} else {
hashEntryPtr = Tcl_FindHashEntry(&tsdPtr->commandTable,
INT2PTR(entryIndex));
if (hashEntryPtr != NULL) {
mePtr = Tcl_GetHashValue(hashEntryPtr);
}
}
}
if ((mePtr == NULL) || (mePtr->state == ENTRY_DISABLED)) {
TkActivateMenuEntry(menuPtr, -1);
} else {
if (mePtr->index >= menuPtr->numEntries) {
Tcl_Panic("Trying to activate an entry which doesn't exist");
}
TkActivateMenuEntry(menuPtr, mePtr->index);
}
MenuSelectEvent(menuPtr);
Tcl_ServiceAll();
*plResult = 0;
returnResult = 1;
}
}
break;
}
}
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->state == ENTRY_ACTIVE) {
mePtr->state = ENTRY_NORMAL;
}
mePtr->entryFlags &= ~ENTRY_PLATFORM_FLAG1;
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(
Tk_Window tkwin, /* The window we are putting the menubar
* into.*/
TkMenu *menuPtr) /* The menu we are inserting */
{
HMENU winMenuHdl;
ThreadSpecificData *tsdPtr =
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
if (menuPtr != NULL) {
Tcl_HashEntry *hashEntryPtr;
int newEntry;
winMenuHdl = (HMENU) menuPtr->platformData;
hashEntryPtr = Tcl_FindHashEntry(&tsdPtr->winMenuTable,
(char *) winMenuHdl);
Tcl_DeleteHashEntry(hashEntryPtr);
DestroyMenu(winMenuHdl);
winMenuHdl = CreateMenu();
hashEntryPtr = Tcl_CreateHashEntry(&tsdPtr->winMenuTable,
(char *) winMenuHdl, &newEntry);
Tcl_SetHashValue(hashEntryPtr, menuPtr);
menuPtr->platformData = (TkMenuPlatformData) winMenuHdl;
TkWinSetMenu(tkwin, winMenuHdl);
ScheduleMenuReconfigure(menuPtr);
} 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 */
const 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 {
int borderWidth;
Tk_GetPixelsFromObj(menuPtr->interp, menuPtr->tkwin,
menuPtr->borderWidthPtr, &borderWidth);
*widthPtr = indicatorDimensions[1] - 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->accelPtr == NULL) {
*widthPtr = 0;
} else {
const char *accel = Tcl_GetString(mePtr->accelPtr);
*widthPtr = Tk_TextWidth(tkfont, 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 - (2 * fmPtr->descent);
}
/*
*----------------------------------------------------------------------
*
* 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 *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));
GetObjectA(bitmap, sizeof(BITMAP), &bm);
ptSize.x = bm.bmWidth;
ptSize.y = bm.bmHeight;
DPtoLP(scratchDC, &ptSize, 1);
ptOrg.y = ptOrg.x = 0;
DPtoLP(scratchDC, &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 function 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(
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)) {
if (mePtr->indicatorOn && (mePtr->entryFlags & ENTRY_SELECTED)) {
RECT rect;
GC whichGC;
int borderWidth, activeBorderWidth;
if (mePtr->state != ENTRY_NORMAL) {
whichGC = gc;
} else {
whichGC = indicatorGC;
}
rect.top = y;
rect.bottom = y + mePtr->height;
Tk_GetPixelsFromObj(menuPtr->interp, menuPtr->tkwin,
menuPtr->borderWidthPtr, &borderWidth);
Tk_GetPixelsFromObj(menuPtr->interp, menuPtr->tkwin,
menuPtr->activeBorderWidthPtr, &activeBorderWidth);
rect.left = borderWidth + activeBorderWidth + x;
rect.right = mePtr->indicatorSpace + x;
if ((mePtr->state == ENTRY_DISABLED)
&& (menuPtr->disabledFgPtr != NULL)) {
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);
}
}
}
/*
*----------------------------------------------------------------------
*
* DrawMenuEntryAccelerator --
*
* This function draws the accelerator part of a menu. For example, the
* string "CTRL-Z" could be drawn to to the right of the label text for
* an Undo menu entry. Need to decide what to draw here. Should we
* replace strings like "Control", "Command", etc?
*
* Results:
* None.
*
* Side effects:
* Commands are output to display the menu in its
* current mode.
*
*----------------------------------------------------------------------
*/
void
DrawMenuEntryAccelerator(
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 baseline;
int leftEdge = x + mePtr->indicatorSpace + mePtr->labelWidth;
const char *accel;
if (mePtr->accelPtr != NULL) {
accel = Tcl_GetString(mePtr->accelPtr);
} else {
accel = NULL;
}
baseline = y + (height + fmPtr->ascent - fmPtr->descent) / 2;
/*
* Draw disabled 3D text highlight only with the Win95/98 look.
*/
if (TkWinGetPlatformTheme() == TK_THEME_WIN_CLASSIC) {
if ((mePtr->state == ENTRY_DISABLED)
&& (menuPtr->disabledFgPtr != NULL) && (accel != NULL)) {
COLORREF oldFgColor = gc->foreground;
gc->foreground = GetSysColor(COLOR_3DHILIGHT);
if (!(mePtr->entryFlags & ENTRY_PLATFORM_FLAG1)) {
Tk_DrawChars(menuPtr->display, d, gc, tkfont, accel,
mePtr->accelLength, leftEdge + 1, baseline + 1);
}
gc->foreground = oldFgColor;
}
}
if (accel != NULL) {
Tk_DrawChars(menuPtr->display, d, gc, tkfont, accel,
mePtr->accelLength, leftEdge, baseline);
}
}
/*
*----------------------------------------------------------------------
*
* DrawMenuEntryArrow --
*
* This function draws the arrow bitmap on the right side of a menu
* entry. This function is only used when drawing the arrow for a
* disabled cascade menu.
*
* Results:
* None.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
void
DrawMenuEntryArrow(
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_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. */
{
COLORREF oldFgColor;
COLORREF oldBgColor;
RECT rect;
if (!drawArrow || (mePtr->type != CASCADE_ENTRY)) {
return;
}
oldFgColor = gc->foreground;
oldBgColor = gc->background;
/*
* Set bitmap bg to highlight color if the menu is highlighted.
*/
if (mePtr->entryFlags & ENTRY_PLATFORM_FLAG1) {
XColor *activeBgColor = Tk_3DBorderColor(Tk_Get3DBorderFromObj(
mePtr->menuPtr->tkwin, (mePtr->activeBorderPtr == NULL)
? mePtr->menuPtr->activeBorderPtr
: mePtr->activeBorderPtr));
gc->background = activeBgColor->pixel;
}
gc->foreground = GetSysColor((mePtr->state == ENTRY_DISABLED)
? COLOR_GRAYTEXT
: ((mePtr->state == ENTRY_ACTIVE)
? COLOR_HIGHLIGHTTEXT : COLOR_MENUTEXT));
rect.top = y + GetSystemMetrics(SM_CYBORDER);
rect.bottom = y + height - GetSystemMetrics(SM_CYBORDER);
rect.left = x + mePtr->indicatorSpace + mePtr->labelWidth;
rect.right = x + width;
DrawWindowsSystemBitmap(menuPtr->display, d, gc, &rect, OBM_MNARROW,
ALIGN_BITMAP_RIGHT);
gc->foreground = oldFgColor;
gc->background = oldBgColor;
return;
}
/*
*----------------------------------------------------------------------
*
* 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(
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];
Tk_3DBorder border;
points[0].x = x;
points[0].y = y + height / 2;
points[1].x = x + width - 1;
points[1].y = points[0].y;
border = Tk_Get3DBorderFromObj(menuPtr->tkwin, menuPtr->borderPtr);
Tk_Draw3DPolygon(menuPtr->tkwin, d, 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) && (mePtr->labelPtr != NULL)) {
int len;
/* do the unicode call just to prevent overruns */
Tcl_GetUnicodeFromObj(mePtr->labelPtr, &len);
if (mePtr->underline < len) {
const char *label, *start, *end;
label = Tcl_GetStringFromObj(mePtr->labelPtr, NULL);
start = Tcl_UtfAtIndex(label, mePtr->underline);
end = Tcl_UtfNext(start);
Tk_UnderlineChars(menuPtr->display, d,
gc, tkfont, label, x + mePtr->indicatorSpace,
y + (height + fmPtr->ascent - fmPtr->descent) / 2,
(int) (start - label), (int) (end - label));
}
}
}
/*
*--------------------------------------------------------------
*
* TkWinMenuKeyObjCmd --
*
* This function is invoked when keys related to pulling down menus is
* pressed. The corresponding Windows events are generated and passed to
* DefWindowProc if appropriate. This cmd is registered as tk::WinMenuKey
* in the interp.
*
* Results:
* Always returns TCL_OK.
*
* Side effects:
* The menu system may take over and process user events for menu input.
*
*--------------------------------------------------------------
*/
static int
TkWinMenuKeyObjCmd(
ClientData clientData, /* Unused. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
UINT scanCode;
UINT virtualKey;
XEvent *eventPtr;
Tk_Window tkwin;
TkWindow *winPtr;
KeySym keySym;
int i;
if (objc != 3) {
Tcl_WrongNumArgs(interp, 1, objv, "window keySym");
return TCL_ERROR;
}
tkwin = Tk_NameToWindow(interp, Tcl_GetString(objv[1]),
Tk_MainWindow(interp));
if (tkwin == NULL) {
/*
* If we don't find the key, just return, as the window may have
* been destroyed in the binding. [Bug 1236306]
*/
return TCL_OK;
}
eventPtr = TkpGetBindingXEvent(interp);
winPtr = (TkWindow *)tkwin;
if (Tcl_GetIntFromObj(interp, objv[2], &i) != TCL_OK) {
return TCL_ERROR;
}
keySym = i;
if (eventPtr->type == KeyPress) {
switch (keySym) {
case XK_Alt_L:
scanCode = MapVirtualKeyA(VK_LMENU, 0);
CallWindowProcA(DefWindowProcA, Tk_GetHWND(Tk_WindowId(tkwin)),
WM_SYSKEYDOWN, VK_MENU,
(int) (scanCode << 16) | (1 << 29));
break;
case XK_Alt_R:
scanCode = MapVirtualKeyA(VK_RMENU, 0);
CallWindowProcA(DefWindowProcA, Tk_GetHWND(Tk_WindowId(tkwin)),
WM_SYSKEYDOWN, VK_MENU,
(int) (scanCode << 16) | (1 << 29) | (1 << 24));
break;
case XK_F10:
scanCode = MapVirtualKeyA(VK_F10, 0);
CallWindowProcA(DefWindowProcA, Tk_GetHWND(Tk_WindowId(tkwin)),
WM_SYSKEYDOWN, VK_F10, (int) (scanCode << 16));
break;
default:
virtualKey = XKeysymToKeycode(winPtr->display, keySym);
scanCode = MapVirtualKeyA(virtualKey, 0);
if (0 != scanCode) {
XKeyEvent xkey = eventPtr->xkey;
CallWindowProcA(DefWindowProcA, Tk_GetHWND(Tk_WindowId(tkwin)),
WM_SYSKEYDOWN, virtualKey,
(int) ((scanCode << 16) | (1 << 29)));
if (xkey.nbytes > 0) {
for (i = 0; i < xkey.nbytes; i++) {
CallWindowProcA(DefWindowProcA,
Tk_GetHWND(Tk_WindowId(tkwin)), WM_SYSCHAR,
xkey.trans_chars[i],
(int) ((scanCode << 16) | (1 << 29)));
}
}
}
}
} else if (eventPtr->type == KeyRelease) {
switch (keySym) {
case XK_Alt_L:
scanCode = MapVirtualKeyA(VK_LMENU, 0);
CallWindowProcA(DefWindowProcA, Tk_GetHWND(Tk_WindowId(tkwin)),
WM_SYSKEYUP, VK_MENU, (int) (scanCode << 16)
| (1 << 29) | (1 << 30) | (1 << 31));
break;
case XK_Alt_R:
scanCode = MapVirtualKeyA(VK_RMENU, 0);
CallWindowProcA(DefWindowProcA, Tk_GetHWND(Tk_WindowId(tkwin)),
WM_SYSKEYUP, VK_MENU, (int) (scanCode << 16) | (1 << 24)
| (0x111 << 29) | (1 << 30) | (1 << 31));
break;
case XK_F10:
scanCode = MapVirtualKeyA(VK_F10, 0);
CallWindowProcA(DefWindowProcA, Tk_GetHWND(Tk_WindowId(tkwin)),
WM_SYSKEYUP, VK_F10,
(int) (scanCode << 16) | (1 << 30) | (1 << 31));
break;
default:
virtualKey = XKeysymToKeycode(winPtr->display, keySym);
scanCode = MapVirtualKeyA(virtualKey, 0);
if (0 != scanCode) {
CallWindowProcA(DefWindowProcA, Tk_GetHWND(Tk_WindowId(tkwin)),
WM_SYSKEYUP, virtualKey, (int) ((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:
* 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(
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 invoke C code to generate the
* WM_SYSKEYDOWNS and WM_SYSKEYUPs appropriately. Trick is, we can't
* create a C level binding directly since we may want to modify the
* binding in Tcl code.
*/
(void) Tcl_CreateObjCommand(interp, "tk::WinMenuKey",
TkWinMenuKeyObjCmd,
(ClientData) Tk_MainWindow(interp), (Tcl_CmdDeleteProc *) NULL);
(void) Tk_CreateBinding(interp, bindingTable, (ClientData) uid,
"<Alt_L>", "tk::WinMenuKey %W %N", 0);
(void) Tk_CreateBinding(interp, bindingTable, (ClientData) uid,
"<KeyRelease-Alt_L>", "tk::WinMenuKey %W %N", 0);
(void) Tk_CreateBinding(interp, bindingTable, (ClientData) uid,
"<Alt_R>", "tk::WinMenuKey %W %N", 0);
(void) Tk_CreateBinding(interp, bindingTable, (ClientData) uid,
"<KeyRelease-Alt_R>", "tk::WinMenuKey %W %N", 0);
(void) Tk_CreateBinding(interp, bindingTable, (ClientData) uid,
"<Alt-KeyPress>", "tk::WinMenuKey %W %N", 0);
(void) Tk_CreateBinding(interp, bindingTable, (ClientData) uid,
"<Alt-KeyRelease>", "tk::WinMenuKey %W %N", 0);
(void) Tk_CreateBinding(interp, bindingTable, (ClientData) uid,
"<KeyPress-F10>", "tk::WinMenuKey %W %N", 0);
(void) Tk_CreateBinding(interp, bindingTable, (ClientData) uid,
"<KeyRelease-F10>", "tk::WinMenuKey %W %N", 0);
}
/*
*----------------------------------------------------------------------
*
* DrawMenuEntryLabel --
*
* This function 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 underline) /* accelerator cue should be drawn */
{
int indicatorSpace = mePtr->indicatorSpace;
int activeBorderWidth;
int leftEdge;
int imageHeight, imageWidth;
int textHeight = 0, textWidth = 0;
int haveImage = 0, haveText = 0;
int imageXOffset = 0, imageYOffset = 0;
int textXOffset = 0, textYOffset = 0;
Tk_GetPixelsFromObj(menuPtr->interp, menuPtr->tkwin,
menuPtr->activeBorderWidthPtr, &activeBorderWidth);
leftEdge = x + indicatorSpace + activeBorderWidth;
/*
* Work out what we will need to draw first.
*/
if (mePtr->image != NULL) {
Tk_SizeOfImage(mePtr->image, &imageWidth, &imageHeight);
haveImage = 1;
} else if (mePtr->bitmapPtr != NULL) {
Pixmap bitmap = Tk_GetBitmapFromObj(menuPtr->tkwin, mePtr->bitmapPtr);
Tk_SizeOfBitmap(menuPtr->display, bitmap, &imageWidth, &imageHeight);
haveImage = 1;
}
if (!haveImage || (mePtr->compound != COMPOUND_NONE)) {
if (mePtr->labelLength > 0) {
const char *label = Tcl_GetString(mePtr->labelPtr);
textWidth = Tk_TextWidth(tkfont, label, mePtr->labelLength);
textHeight = fmPtr->linespace;
haveText = 1;
}
}
/*
* Now work out what the relative positions are.
*/
if (haveImage && haveText) {
int fullWidth = (imageWidth > textWidth ? imageWidth : textWidth);
switch ((enum compound) mePtr->compound) {
case COMPOUND_TOP:
textXOffset = (fullWidth - textWidth)/2;
textYOffset = imageHeight/2 + 2;
imageXOffset = (fullWidth - imageWidth)/2;
imageYOffset = -textHeight/2;
break;
case COMPOUND_BOTTOM:
textXOffset = (fullWidth - textWidth)/2;
textYOffset = -imageHeight/2;
imageXOffset = (fullWidth - imageWidth)/2;
imageYOffset = textHeight/2 + 2;
break;
case COMPOUND_LEFT:
/*
* The standard image position on Windows is in the indicator
* space to the left of the entries, unless this entry is a
* radio|check button because then the indicator space will be
* used.
*/
textXOffset = imageWidth + 2;
textYOffset = 0;
imageXOffset = 0;
imageYOffset = 0;
if ((mePtr->type != CHECK_BUTTON_ENTRY)
&& (mePtr->type != RADIO_BUTTON_ENTRY)) {
textXOffset -= indicatorSpace;
if (textXOffset < 0) {
textXOffset = 0;
}
imageXOffset = -indicatorSpace;
}
break;
case COMPOUND_RIGHT:
textXOffset = 0;
textYOffset = 0;
imageXOffset = textWidth + 2;
imageYOffset = 0;
break;
case COMPOUND_CENTER:
textXOffset = (fullWidth - textWidth)/2;
textYOffset = 0;
imageXOffset = (fullWidth - imageWidth)/2;
imageYOffset = 0;
break;
case COMPOUND_NONE:
break;
}
} else {
textXOffset = 0;
textYOffset = 0;
imageXOffset = 0;
imageYOffset = 0;
}
/*
* Draw label and/or bitmap or image for entry.
*/
if (mePtr->image != NULL) {
if ((mePtr->selectImage != NULL)
&& (mePtr->entryFlags & ENTRY_SELECTED)) {
Tk_RedrawImage(mePtr->selectImage, 0, 0,
imageWidth, imageHeight, d, leftEdge + imageXOffset,
(int) (y + (mePtr->height-imageHeight)/2 + imageYOffset));
} else {
Tk_RedrawImage(mePtr->image, 0, 0, imageWidth,
imageHeight, d, leftEdge + imageXOffset,
(int) (y + (mePtr->height-imageHeight)/2 + imageYOffset));
}
} else if (mePtr->bitmapPtr != NULL) {
Pixmap bitmap = Tk_GetBitmapFromObj(menuPtr->tkwin, mePtr->bitmapPtr);
XCopyPlane(menuPtr->display, bitmap, d, gc, 0, 0,
(unsigned) imageWidth, (unsigned) imageHeight,
leftEdge + imageXOffset,
(int) (y + (mePtr->height - imageHeight)/2 + imageYOffset), 1);
}
if ((mePtr->compound != COMPOUND_NONE) || !haveImage) {
if (mePtr->labelLength > 0) {
int baseline = y + (height + fmPtr->ascent - fmPtr->descent) / 2;
const char *label = Tcl_GetString(mePtr->labelPtr);
if (TkWinGetPlatformTheme() == TK_THEME_WIN_CLASSIC) {
/*
* Win 95/98 systems draw disabled menu text with a 3D
* highlight, unless the menu item is highlighted,
*/
if ((mePtr->state == ENTRY_DISABLED) &&
!(mePtr->entryFlags & ENTRY_PLATFORM_FLAG1)) {
COLORREF oldFgColor = gc->foreground;
gc->foreground = GetSysColor(COLOR_3DHILIGHT);
Tk_DrawChars(menuPtr->display, d, gc, tkfont, label,
mePtr->labelLength, leftEdge + textXOffset + 1,
baseline + textYOffset + 1);
gc->foreground = oldFgColor;
}
}
Tk_DrawChars(menuPtr->display, d, gc, tkfont, label,
mePtr->labelLength, leftEdge + textXOffset,
baseline + textYOffset);
if (underline) {
DrawMenuUnderline(menuPtr, mePtr, d, gc, tkfont, fmPtr,
x + textXOffset, y + textYOffset, width, height);
}
}
}
if (mePtr->state == ENTRY_DISABLED) {
if (menuPtr->disabledFgPtr == 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 + imageXOffset,
(int) (y + (mePtr->height - imageHeight)/2 + imageYOffset),
(unsigned) imageWidth, (unsigned) imageHeight);
}
}
}
/*
*--------------------------------------------------------------
*
* TkpComputeMenubarGeometry --
*
* This function 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(
TkMenu *menuPtr) /* Structure describing menu. */
{
TkpComputeStandardMenuGeometry(menuPtr);
}
/*
*----------------------------------------------------------------------
*
* DrawTearoffEntry --
*
* This function 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(
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;
Tk_3DBorder border;
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;
border = Tk_Get3DBorderFromObj(menuPtr->tkwin, menuPtr->borderPtr);
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, 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 the
* interp's result contains an error message.
*
* Side effects:
* Configuration information get set for mePtr; old resources get freed,
* if any need it.
*
*----------------------------------------------------------------------
*/
int
TkpConfigureMenuEntry(
register TkMenuEntry *mePtr)/* Information about menu entry; may or may
* not already have values for some fields. */
{
ScheduleMenuReconfigure(mePtr->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(
TkMenuEntry *mePtr, /* The entry to draw */
Drawable menuDrawable, /* Menu 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 drawingParameters) /* Whether or not to draw the cascade arrow
* for cascade items and accelerator
* cues. 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 adjustedX, adjustedY;
int adjustedHeight = height - 2 * padY;
TkWinDrawable memWinDraw;
TkWinDCState dcState;
HBITMAP oldBitmap = NULL;
Drawable d;
HDC memDc = NULL, menuDc = NULL;
/*
* If the menu entry includes an image then draw the entry into a
* compatible bitmap first. This avoids problems with clipping on
* animated menus. [Bug 1329198]
*/
if (mePtr->image != NULL) {
menuDc = TkWinGetDrawableDC(menuPtr->display, menuDrawable, &dcState);
memDc = CreateCompatibleDC(menuDc);
oldBitmap = SelectObject(memDc,
CreateCompatibleBitmap(menuDc, width, height) );
memWinDraw.type = TWD_WINDC;
memWinDraw.winDC.hdc = memDc;
d = (Drawable)&memWinDraw;
adjustedX = 0;
adjustedY = padY;
} else {
d = menuDrawable;
adjustedX = x;
adjustedY = y + padY;
}
/*
* Choose the gc for drawing the foreground part of the entry.
*/
if ((mePtr->state == ENTRY_ACTIVE) && !strictMotif) {
gc = mePtr->activeGC;
if (gc == NULL) {
gc = menuPtr->activeGC;
}
} else {
TkMenuEntry *cascadeEntryPtr;
int parentDisabled = 0;
const char *name;
for (cascadeEntryPtr = menuPtr->menuRefPtr->parentEntryPtr;
cascadeEntryPtr != NULL;
cascadeEntryPtr = cascadeEntryPtr->nextCascadePtr) {
name = Tcl_GetString(cascadeEntryPtr->namePtr);
if (strcmp(name, Tk_PathName(menuPtr->tkwin)) == 0) {
if (mePtr->state == ENTRY_DISABLED) {
parentDisabled = 1;
}
break;
}
}
if (((parentDisabled || (mePtr->state == ENTRY_DISABLED)))
&& (menuPtr->disabledFgPtr != 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 = Tk_Get3DBorderFromObj(menuPtr->tkwin,
(mePtr->borderPtr == NULL) ? menuPtr->borderPtr
: mePtr->borderPtr);
if (strictMotif) {
activeBorder = bgBorder;
} else {
activeBorder = Tk_Get3DBorderFromObj(menuPtr->tkwin,
(mePtr->activeBorderPtr == NULL) ? menuPtr->activeBorderPtr
: mePtr->activeBorderPtr);
}
if (mePtr->fontPtr == NULL) {
fmPtr = menuMetricsPtr;
} else {
tkfont = Tk_GetFontFromObj(menuPtr->tkwin, mePtr->fontPtr);
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, adjustedX, adjustedY-padY, width, height);
if (mePtr->type == SEPARATOR_ENTRY) {
DrawMenuSeparator(menuPtr, mePtr, d, gc, tkfont,
fmPtr, adjustedX, adjustedY, width, adjustedHeight);
} else if (mePtr->type == TEAROFF_ENTRY) {
DrawTearoffEntry(menuPtr, mePtr, d, gc, tkfont, fmPtr,
adjustedX, adjustedY, width, adjustedHeight);
} else {
DrawMenuEntryLabel(menuPtr, mePtr, d, gc, tkfont, fmPtr,
adjustedX, adjustedY, width, adjustedHeight,
(drawingParameters & DRAW_MENU_ENTRY_NOUNDERLINE)?0:1);
DrawMenuEntryAccelerator(menuPtr, mePtr, d, gc, tkfont, fmPtr,
activeBorder, adjustedX, adjustedY, width, adjustedHeight);
DrawMenuEntryArrow(menuPtr, mePtr, d, gc,
activeBorder, adjustedX, adjustedY, width, adjustedHeight,
(drawingParameters & DRAW_MENU_ENTRY_ARROW)?1:0);
if (!mePtr->hideMargin) {
DrawMenuEntryIndicator(menuPtr, mePtr, d, gc, indicatorGC, tkfont,
fmPtr, adjustedX, adjustedY, width, adjustedHeight);
}
}
/*
* Copy the entry contents from the temporary bitmap to the menu.
*/
if (mePtr->image != NULL) {
BitBlt(menuDc, x, y, width, height, memDc, 0, 0, SRCCOPY);
DeleteObject(SelectObject(memDc, oldBitmap));
DeleteDC(memDc);
TkWinReleaseDrawableDC(menuDrawable, menuDc, &dcState);
}
}
/*
*----------------------------------------------------------------------
*
* 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(
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;
int haveImage = 0;
if (mePtr->image != NULL) {
Tk_SizeOfImage(mePtr->image, widthPtr, heightPtr);
haveImage = 1;
} else if (mePtr->bitmapPtr != NULL) {
Pixmap bitmap = Tk_GetBitmapFromObj(menuPtr->tkwin, mePtr->bitmapPtr);
Tk_SizeOfBitmap(menuPtr->display, bitmap, widthPtr, heightPtr);
haveImage = 1;
} else {
*heightPtr = 0;
*widthPtr = 0;
}
if (haveImage && (mePtr->compound == COMPOUND_NONE)) {
/*
* We don't care about the text in this case.
*/
} else {
/*
* Either it is compound or we don't have an image,
*/
if (mePtr->labelPtr != NULL) {
int textWidth;
const char *label = Tcl_GetString(mePtr->labelPtr);
textWidth = Tk_TextWidth(tkfont, label, mePtr->labelLength);
if ((mePtr->compound != COMPOUND_NONE) && haveImage) {
switch ((enum compound) mePtr->compound) {
case COMPOUND_TOP:
case COMPOUND_BOTTOM:
if (textWidth > *widthPtr) {
*widthPtr = textWidth;
}
/*
* Add text and padding.
*/
*heightPtr += fmPtr->linespace + 2;
break;
case COMPOUND_LEFT:
case COMPOUND_RIGHT:
if (fmPtr->linespace > *heightPtr) {
*heightPtr = fmPtr->linespace;
}
/*
* Add text and padding.
*/
*widthPtr += textWidth + 2;
break;
case COMPOUND_CENTER:
if (fmPtr->linespace > *heightPtr) {
*heightPtr = fmPtr->linespace;
}
if (textWidth > *widthPtr) {
*widthPtr = textWidth;
}
break;
case COMPOUND_NONE:
break;
}
} else {
/*
* We don't have an image or we're not compound.
*/
*heightPtr = fmPtr->linespace;
*widthPtr = textWidth;
}
} else {
/*
* An empty entry still has this height.
*/
*heightPtr = fmPtr->linespace;
}
}
*heightPtr += 1;
}
/*
*----------------------------------------------------------------------
*
* DrawMenuEntryBackground --
*
* This function 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 == ENTRY_ACTIVE
|| (mePtr->entryFlags & ENTRY_PLATFORM_FLAG1)!=0 ) {
bgBorder = activeBorder;
}
Tk_Fill3DRectangle(menuPtr->tkwin, d, bgBorder, x, y, width, height, 0,
TK_RELIEF_FLAT);
}
/*
*--------------------------------------------------------------
*
* TkpComputeStandardMenuGeometry --
*
* This function 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 menuFont, tkfont;
Tk_FontMetrics menuMetrics, entryMetrics, *fmPtr;
int x, y, height, width, indicatorSpace, labelWidth, accelWidth;
int windowWidth, windowHeight, accelSpace;
int i, j, lastColumnBreak = 0;
int activeBorderWidth, borderWidth;
if (menuPtr->tkwin == NULL) {
return;
}
Tk_GetPixelsFromObj(menuPtr->interp, menuPtr->tkwin,
menuPtr->borderWidthPtr, &borderWidth);
x = y = 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.
*/
menuFont = Tk_GetFontFromObj(menuPtr->tkwin, menuPtr->fontPtr);
Tk_GetFontMetrics(menuFont, &menuMetrics);
accelSpace = Tk_TextWidth(menuFont, "M", 1);
Tk_GetPixelsFromObj(menuPtr->interp, menuPtr->tkwin,
menuPtr->activeBorderWidthPtr, &activeBorderWidth);
for (i = 0; i < menuPtr->numEntries; i++) {
if (menuPtr->entries[i]->fontPtr == NULL) {
tkfont = menuFont;
fmPtr = &menuMetrics;
} else {
tkfont = Tk_GetFontFromObj(menuPtr->tkwin,
menuPtr->entries[i]->fontPtr);
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 * activeBorderWidth;
menuPtr->entries[j]->x = x;
menuPtr->entries[j]->entryFlags &= ~ENTRY_LAST_COLUMN;
}
x += indicatorSpace + labelWidth + accelWidth
+ 2 * borderWidth;
indicatorSpace = labelWidth = accelWidth = 0;
lastColumnBreak = i;
y = 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 * 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 * activeBorderWidth;
menuPtr->entries[j]->x = x;
menuPtr->entries[j]->entryFlags |= ENTRY_LAST_COLUMN;
}
windowWidth = x + indicatorSpace + labelWidth + accelWidth + accelSpace
+ 2 * activeBorderWidth + 2 * borderWidth;
windowHeight += 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;
union {DWORD msgpos; POINTS point;} root;
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();
root.msgpos = GetMessagePos();
event.x_root = root.point.x;
event.y_root = root.point.y;
event.state = TkWinGetModifierState();
event.same_screen = 1;
event.name = Tk_GetUid("MenuSelect");
event.user_data = NULL;
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. */
const 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) {
ScheduleMenuReconfigure(menuPtr);
}
}
}
}
}
/*
*----------------------------------------------------------------------
*
* Tk_GetMenuHWND --
*
* This function returns the HWND of a hidden menu Window that processes
* messages of a popup menu. This hidden menu window is used to handle
* either a dynamic popup menu in the same process or a pull-down menu of
* an embedded window in a different process.
*
* Results:
* Returns the HWND of the hidden menu Window.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
HWND
Tk_GetMenuHWND(
Tk_Window tkwin)
{
ThreadSpecificData *tsdPtr =
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
TkMenuInit();
return tsdPtr->embeddedMenuHWND;
}
/*
*----------------------------------------------------------------------
*
* MenuExitHandler --
*
* Unregisters the class of utility windows.
*
* Results:
* None.
*
* Side effects:
* Menus have to be reinitialized next time.
*
*----------------------------------------------------------------------
*/
static void
MenuExitHandler(
ClientData clientData) /* Not used */
{
UnregisterClass(MENU_CLASS_NAME, Tk_GetHINSTANCE());
UnregisterClass(EMBEDDED_MENU_CLASS_NAME, Tk_GetHINSTANCE());
}
/*
*----------------------------------------------------------------------
*
* MenuExitHandler --
*
* Throws away the utility window needed for menus and delete hash
* tables.
*
* Results:
* None.
*
* Side effects:
* Menus have to be reinitialized next time.
*
*----------------------------------------------------------------------
*/
static void
MenuThreadExitHandler(
ClientData clientData) /* Not used */
{
ThreadSpecificData *tsdPtr =
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
DestroyWindow(tsdPtr->menuHWND);
DestroyWindow(tsdPtr->embeddedMenuHWND);
tsdPtr->menuHWND = NULL;
tsdPtr->embeddedMenuHWND = NULL;
Tcl_DeleteHashTable(&tsdPtr->winMenuTable);
Tcl_DeleteHashTable(&tsdPtr->commandTable);
}
/*
*----------------------------------------------------------------------
*
* TkWinGetMenuSystemDefault --
*
* Gets the Windows specific default value for a given X resource
* database name.
*
* Results:
* Returns a Tcl_Obj* with the default value. If there is no
* Windows-specific default for this attribute, returns NULL. This object
* has a ref count of 0.
*
* Side effects:
* Storage is allocated.
*
*----------------------------------------------------------------------
*/
Tcl_Obj *
TkWinGetMenuSystemDefault(
Tk_Window tkwin, /* A window to use. */
const char *dbName, /* The option database name. */
const char *className) /* The name of the option class. */
{
Tcl_Obj *valuePtr = NULL;
if ((strcmp(dbName, "activeBorderWidth") == 0) ||
(strcmp(dbName, "borderWidth") == 0)) {
valuePtr = Tcl_NewIntObj(defaultBorderWidth);
} else if (strcmp(dbName, "font") == 0) {
valuePtr = Tcl_NewStringObj(Tcl_DStringValue(&menuFontDString), -1);
}
return valuePtr;
}
/*
*----------------------------------------------------------------------
*
* SetDefaults --
*
* Read system menu settings (font, sizes of items, use of accelerators)
* This is called if the UI theme or settings are changed.
*
* Results:
* None.
*
* Side effects:
* May result in menu items being redrawn with different appearance.
*
*----------------------------------------------------------------------
*/
static void
SetDefaults(
int firstTime) /* Is this the first time this has been
* called? */
{
char sizeString[TCL_INTEGER_SPACE];
char faceName[LF_FACESIZE];
HDC scratchDC;
int bold = 0;
int italic = 0;
TEXTMETRICA tm;
int pointSize;
HFONT menuFont;
/* See: [Bug #3239768] tk8.4.19 (and later) WIN32 menu font support */
struct {
NONCLIENTMETRICS metrics;
#if (WINVER < 0x0600)
int padding;
#endif
} nc;
OSVERSIONINFO os;
/*
* Set all of the default options. The loop will terminate when we run out
* of options via a break statement.
*/
defaultBorderWidth = GetSystemMetrics(SM_CXBORDER);
if (GetSystemMetrics(SM_CYBORDER) > defaultBorderWidth) {
defaultBorderWidth = GetSystemMetrics(SM_CYBORDER);
}
scratchDC = CreateDCA("DISPLAY", NULL, NULL, NULL);
if (!firstTime) {
Tcl_DStringFree(&menuFontDString);
}
Tcl_DStringInit(&menuFontDString);
nc.metrics.cbSize = sizeof(nc);
os.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&os);
if (os.dwMajorVersion < 6) {
nc.metrics.cbSize -= sizeof(int);
}
SystemParametersInfo(SPI_GETNONCLIENTMETRICS, nc.metrics.cbSize,
&nc.metrics, 0);
menuFont = CreateFontIndirect(&nc.metrics.lfMenuFont);
SelectObject(scratchDC, menuFont);
GetTextMetricsA(scratchDC, &tm);
GetTextFaceA(scratchDC, LF_FACESIZE, 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);
sprintf(sizeString, "%d", pointSize);
Tcl_DStringAppendElement(&menuFontDString, sizeString);
if (bold || italic) {
Tcl_DString boldItalicDString;
Tcl_DStringInit(&boldItalicDString);
if (bold) {
Tcl_DStringAppendElement(&boldItalicDString, "bold");
}
if (italic) {
Tcl_DStringAppendElement(&boldItalicDString, "italic");
}
Tcl_DStringAppendElement(&menuFontDString,
Tcl_DStringValue(&boldItalicDString));
Tcl_DStringFree(&boldItalicDString);
}
/*
* 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 ensure menu items line up, and is not documented.
*/
indicatorDimensions[0] = GetSystemMetrics(SM_CYMENUCHECK);
indicatorDimensions[1] = ((GetSystemMetrics(SM_CXFIXEDFRAME) +
GetSystemMetrics(SM_CXBORDER)
+ GetSystemMetrics(SM_CXMENUCHECK) + 7) & 0xFFF8)
- GetSystemMetrics(SM_CXFIXEDFRAME);
/*
* Accelerators used to be always underlines until Win2K when a system
* parameter was introduced to hide them unless Alt is pressed.
*/
showMenuAccelerators = TRUE;
if (TkWinGetPlatformId() == VER_PLATFORM_WIN32_NT) {
SystemParametersInfoA(SPI_GETKEYBOARDCUES, 0, &showMenuAccelerators, 0);
}
}
/*
*----------------------------------------------------------------------
*
* TkpMenuInit --
*
* Sets up the process-wide variables used by the menu package.
*
* Results:
* None.
*
* Side effects:
* lastMenuID gets initialized.
*
*----------------------------------------------------------------------
*/
void
TkpMenuInit(void)
{
WNDCLASS wndClass;
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;
if (!RegisterClass(&wndClass)) {
Tcl_Panic("Failed to register menu window class");
}
wndClass.lpfnWndProc = TkWinEmbeddedMenuProc;
wndClass.lpszClassName = EMBEDDED_MENU_CLASS_NAME;
if (!RegisterClass(&wndClass)) {
Tcl_Panic("Failed to register embedded menu window class");
}
TkCreateExitHandler(MenuExitHandler, NULL);
SetDefaults(1);
}
/*
*----------------------------------------------------------------------
*
* TkpMenuThreadInit --
*
* Sets up the thread-local hash tables used by the menu module. Assumes
* that TkpMenuInit has been called.
*
* Results:
* None.
*
* Side effects:
* Hash tables winMenuTable and commandTable are initialized.
*
*----------------------------------------------------------------------
*/
void
TkpMenuThreadInit(void)
{
ThreadSpecificData *tsdPtr =
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
tsdPtr->menuHWND = CreateWindow(MENU_CLASS_NAME, TEXT("MenuWindow"), WS_POPUP,
0, 0, 10, 10, NULL, NULL, Tk_GetHINSTANCE(), NULL);
if (!tsdPtr->menuHWND) {
Tcl_Panic("Failed to create the menu window");
}
tsdPtr->embeddedMenuHWND =
CreateWindow(EMBEDDED_MENU_CLASS_NAME, TEXT("EmbeddedMenuWindow"),
WS_POPUP, 0, 0, 10, 10, NULL, NULL, Tk_GetHINSTANCE(), NULL);
if (!tsdPtr->embeddedMenuHWND) {
Tcl_Panic("Failed to create the embedded menu window");
}
Tcl_InitHashTable(&tsdPtr->winMenuTable, TCL_ONE_WORD_KEYS);
Tcl_InitHashTable(&tsdPtr->commandTable, TCL_ONE_WORD_KEYS);
TkCreateThreadExitHandler(MenuThreadExitHandler, NULL);
}
/*
* Local Variables:
* mode: c
* c-basic-offset: 4
* fill-column: 78
* End:
*/