tkWinMenu.c
上传用户:rrhhcc
上传日期:2015-12-11
资源大小:54129k
文件大小:87k
- /*
- * 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.
- *
- * RCS: @(#) $Id: tkWinMenu.c,v 1.21.2.9 2007/06/09 23:52:40 hobbs Exp $
- */
- #define OEMRESOURCE
- #include "tkWinInt.h"
- #include "tkMenu.h"
- #include <string.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
- #ifndef TPM_NOANIMATION
- #define TPM_NOANIMATION 0x4000L
- #endif
- /*
- * 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. */
- 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. */
- 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 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));
- static void DrawMenuEntryArrow _ANSI_ARGS_((
- TkMenu *menuPtr, TkMenuEntry *mePtr,
- Drawable d, GC gc,
- 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_((WORD commandID));
- static TCHAR * 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,
- WORD *menuIDPtr));
- 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 void SetDefaults _ANSI_ARGS_((int firstTime));
- 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 */
- WORD *menuIDPtr; /* The resulting id */
- {
- int found = 0;
- int newEntry;
- Tcl_HashEntry *commandEntryPtr;
- WORD returnID;
- ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
- Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
- WORD curID = tsdPtr->lastCommandID + 1;
- /*
- * The following code relies on WORD wrapping when the highest value is
- * incremented.
- */
-
- while (curID != tsdPtr->lastCommandID) {
- commandEntryPtr = Tcl_CreateHashEntry(&tsdPtr->commandTable,
- (char *) curID, &newEntry);
- if (newEntry == 1) {
- found = 1;
- returnID = curID;
- break;
- }
- curID++;
- }
- if (found) {
- Tcl_SetHashValue(commandEntryPtr, (char *) mePtr);
- *menuIDPtr = returnID;
- tsdPtr->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)
- WORD commandID;
- {
- ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
- 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,
- (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;
- ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
- Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
- 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(&tsdPtr->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;
- char *searchName;
- ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
- Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
- 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) {
- searchName = Tcl_GetStringFromObj(searchEntryPtr->namePtr, NULL);
- 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(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((WORD) 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->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;
- char *label = (mePtr->labelPtr == NULL) ? ""
- : Tcl_GetStringFromObj(mePtr->labelPtr, NULL);
- char *accel = (mePtr->accelPtr == NULL) ? ""
- : Tcl_GetStringFromObj(mePtr->accelPtr, NULL);
- 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 != ' '; 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 != ' '; 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 = (TkMenu *) clientData;
- TkMenuEntry *mePtr;
- HMENU winMenuHdl = (HMENU) menuPtr->platformData;
- TCHAR *itemText = NULL;
- const TCHAR *lpNewItem;
- UINT flags;
- UINT itemID;
- int i, count, systemMenu = 0, base;
- int width, height;
- Tcl_DString translatedText;
-
- 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;
- 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 = 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 = (UINT) 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 = (UINT) 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;
- if (!(systemMenuPtr->menuFlags
- & MENU_RECONFIGURE_PENDING)) {
- systemMenuPtr->menuFlags
- |= MENU_RECONFIGURE_PENDING;
- Tcl_DoWhenIdle(ReconfigureWindowsMenu,
- (ClientData) systemMenuPtr);
- }
- }
- }
- }
- if (mePtr->childMenuRefPtr->menuPtr->menuFlags
- & MENU_SYSTEM_MENU) {
- systemMenu++;
- }
- }
- if (!systemMenu) {
- (*tkWinProcs->insertMenu)(winMenuHdl, 0xFFFFFFFF, flags,
- itemID, lpNewItem);
- }
- Tcl_DStringFree(&translatedText);
- 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 i, result, flags;
- RECT noGoawayRect;
- POINT point;
- Tk_Window parentWindow = Tk_Parent(menuPtr->tkwin);
- int oldServiceMode = Tcl_GetServiceMode();
- TkMenuEntry *mePtr;
- ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
- Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
- tsdPtr->inPostMenu++;
- if (menuPtr->menuFlags & MENU_RECONFIGURE_PENDING) {
- Tcl_CancelIdleCall(ReconfigureWindowsMenu, (ClientData) menuPtr);
- ReconfigureWindowsMenu((ClientData) 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;
- }
- }
- /*
- * Disable menu animation if an image is present, as clipping isn't
- * handled correctly with temp DCs. [Bug 1329198]
- */
- for (i = 0; i < menuPtr->numEntries; i++) {
- mePtr = menuPtr->entries[i];
- if (mePtr->image != NULL) {
- flags |= TPM_NOANIMATION;
- break;
- }
- }
- 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(mePtr)
- TkMenuEntry *mePtr;
- {
- WORD 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;
- ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
- Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
- switch (*pMessage) {
- case WM_INITMENU:
- TkMenuInit();
- hashEntryPtr = Tcl_FindHashEntry(&tsdPtr->winMenuTable,
- (char *) *pwParam);
- if (hashEntryPtr != NULL) {
- tsdPtr->oldServiceMode = Tcl_SetServiceMode(TCL_SERVICE_ALL);
- menuPtr = (TkMenu *) Tcl_GetHashValue(hashEntryPtr);
- tsdPtr->modalMenuPtr = menuPtr;
- if (menuPtr->menuFlags & MENU_RECONFIGURE_PENDING) {
- Tcl_CancelIdleCall(ReconfigureWindowsMenu,
- (ClientData) menuPtr);
- ReconfigureWindowsMenu((ClientData) menuPtr);
- }
- RecursivelyClearActiveMenu(menuPtr);
- if (!tsdPtr->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 {
- tsdPtr->modalMenuPtr = NULL;
- }
- break;
- case WM_SYSCOMMAND:
- case WM_COMMAND: {
- TkMenuInit();
- if (HIWORD(*pwParam) != 0) {
- break;
- }
- hashEntryPtr = Tcl_FindHashEntry(&tsdPtr->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)) {
- char *name;
- for (parentEntryPtr = menuRefPtr->parentEntryPtr;
- ;
- parentEntryPtr =
- parentEntryPtr->nextCascadePtr) {
- name = Tcl_GetStringFromObj(
- parentEntryPtr->namePtr, NULL);
- 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((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: {
- hashEntryPtr = Tcl_FindHashEntry(&tsdPtr->winMenuTable,
- (char *) *plParam);
- if (hashEntryPtr != NULL) {
- int i, len, underline;
- Tcl_Obj *labelPtr;
- Tcl_UniChar *wlabel, menuChar;
- *plResult = 0;
- menuPtr = (TkMenu *) 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) {
- 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 drawArrow = 0;
- if (itemPtr != NULL) {
- Tk_Font tkfont;
- mePtr = (TkMenuEntry *) itemPtr->itemData;
- menuPtr = mePtr->menuPtr;
- twdPtr = (TkWinDrawable *) 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 drawArrow flag for a disabled cascade
- ** menu since we need to draw the arrow ourselves.
- */
- if (mePtr->type == CASCADE_ENTRY) {
- drawArrow = 1;
- }
- }
- 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, drawArrow);
- ckfree((char *) 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 = (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(
- &tsdPtr->commandTable,
- (char *) LOWORD(*pwParam));
- if (hashEntryPtr != NULL) {
- mePtr = (TkMenuEntry *)
- 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();
- }
- }
- 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(tkwin, menuPtr)
- Tk_Window tkwin; /* The window we are putting the menubar into.*/
- TkMenu *menuPtr; /* The menu we are inserting */
- {
- HMENU winMenuHdl;
- ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
- 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, (char *) menuPtr);
- menuPtr->platformData = (TkMenuPlatformData) winMenuHdl;
- TkWinSetMenu(tkwin, winMenuHdl);
- if (!(menuPtr->menuFlags & MENU_RECONFIGURE_PENDING)) {
- menuPtr->menuFlags |= MENU_RECONFIGURE_PENDING;
- Tcl_DoWhenIdle(ReconfigureWindowsMenu, (ClientData) 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 */
- 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 {
- char *accel = Tcl_GetStringFromObj(mePtr->accelPtr, NULL);
- *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, 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(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 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)) {
- 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 procedure 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(menuPtr, mePtr, d, gc, tkfont, fmPtr,
- activeBorder, 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 */
- 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;
- char *accel;
-
- if (mePtr->accelPtr != NULL) {
- accel = Tcl_GetStringFromObj(mePtr->accelPtr, 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)
- && (mePtr->accelPtr != NULL)) {
- COLORREF oldFgColor = gc->foreground;
- gc->foreground = GetSysColor(COLOR_3DHILIGHT);
- if ((mePtr->accelPtr != NULL) &&
- ((mePtr->entryFlags & ENTRY_PLATFORM_FLAG1) == 0)) {
- Tk_DrawChars(menuPtr->display, d, gc, tkfont, accel,
- mePtr->accelLength, leftEdge + 1, baseline + 1);
- }
- gc->foreground = oldFgColor;
- }
- }
- if (mePtr->accelPtr != 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
- * a menu entry. This function is currently unused.
- *
- * Results:
- * None.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
- void
- DrawMenuEntryArrow(menuPtr, mePtr, d, gc,
- 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_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) ||
- (mePtr->state != ENTRY_DISABLED))
- 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(COLOR_GRAYTEXT);
- 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(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];
- 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));
- }
- }
- }
- /*
- *--------------------------------------------------------------
- *
- * 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.nbytes > 0) {
- for (i = 0; i < eventPtr->xkey.nbytes; 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 indicatorSpace = mePtr->indicatorSpace;
- int activeBorderWidth;
- int leftEdge;
- int imageHeight, imageWidth;
- int textHeight, textWidth;
- 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) {
- char *label = Tcl_GetStringFromObj(mePtr->labelPtr, NULL);
- 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;
- char *label = Tcl_GetStringFromObj(mePtr->labelPtr, NULL);
- 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) == 0)) {
- 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);
- 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 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;
- 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(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 == ENTRY_ACTIVE) && !strictMotif) {
- gc = mePtr->activeGC;
- if (gc == NULL) {
- gc = menuPtr->activeGC;
- }
- } else {
- TkMenuEntry *cascadeEntryPtr;
- int parentDisabled = 0;
- char *name;
-
- for (cascadeEntryPtr = menuPtr->menuRefPtr->parentEntryPtr;
- cascadeEntryPtr != NULL;
- cascadeEntryPtr = cascadeEntryPtr->nextCascadePtr) {
- name = Tcl_GetStringFromObj(cascadeEntryPtr->namePtr, NULL);
- 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, 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);
- DrawMenuEntryArrow(menuPtr, mePtr, d, gc,
- 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;
- int haveImage = 0, haveText = 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;
- char *label = Tcl_GetStringFromObj(mePtr->labelPtr, NULL);
- 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 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 == 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 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 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;
- 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] != ' ')) {
- 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 --
- *
- * 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());
- }
- /*
- *----------------------------------------------------------------------
- *
- * 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 = (ThreadSpecificData *)
- Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
- DestroyWindow(tsdPtr->menuHWND);
- tsdPtr->menuHWND = 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;
- }
- /*
- *----------------------------------------------------------------------
- *
- * TkWinMenuSetDefaults --
- *
- * 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
- SetDefaults(
- int firstTime) /* Is this the first time this
- * has been called? */
- {
- char sizeString[TCL_INTEGER_SPACE];
- char faceName[LF_FACESIZE];
- HDC scratchDC;
- Tcl_DString boldItalicDString;
- int bold = 0;
- int italic = 0;
- TEXTMETRIC tm;
- int pointSize;
- HFONT menuFont;
- NONCLIENTMETRICS ncMetrics;
- /*
- * 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 = CreateDC("DISPLAY", NULL, NULL, NULL);
- if (!firstTime) {
- Tcl_DStringFree(&menuFontDString);
- }
- Tcl_DStringInit(&menuFontDString);
- ncMetrics.cbSize = sizeof(ncMetrics);
- SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(ncMetrics),
- &ncMetrics, 0);
- menuFont = CreateFontIndirect(&ncMetrics.lfMenuFont);
- SelectObject(scratchDC, menuFont);
- GetTextMetrics(scratchDC, &tm);
- GetTextFace(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 == 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));
- }
- /*
- * 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 (TkWinGetPlatformId() >= 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);
- }
- }
- /*
- *----------------------------------------------------------------------
- *
- * TkpMenuInit --
- *
- * Sets up the process-wide variables used by the menu package.
- *
- * Results:
- * None.
- *
- * Side effects:
- * lastMenuID gets initialized.
- *
- *----------------------------------------------------------------------
- */
- void
- TkpMenuInit()
- {
- 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;
- RegisterClass(&wndClass);
- TkCreateExitHandler(MenuExitHandler, (ClientData) NULL);
- SetDefaults(1);
- }
- /*
- *----------------------------------------------------------------------
- *
- * TkpMenuThreadInit --
- *
- * Sets up the thread-local hash tables used by the menu module.
- *
- * Results:
- * None.
- *
- * Side effects:
- * Hash tables winMenuTable and commandTable are initialized.
- *
- *----------------------------------------------------------------------
- */
- void
- TkpMenuThreadInit()
- {
- ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
- Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
- tsdPtr->menuHWND = CreateWindow(MENU_CLASS_NAME, "MenuWindow", WS_POPUP,
- 0, 0, 10, 10, NULL, NULL, Tk_GetHINSTANCE(), NULL);
- Tcl_InitHashTable(&tsdPtr->winMenuTable, TCL_ONE_WORD_KEYS);
- Tcl_InitHashTable(&tsdPtr->commandTable, TCL_ONE_WORD_KEYS);
- Tcl_CreateThreadExitHandler(MenuThreadExitHandler, (ClientData) NULL);
- }