URL
https://opencores.org/ocsvn/or1k/or1k/trunk
Subversion Repositories or1k
[/] [or1k/] [trunk/] [insight/] [tk/] [win/] [tkWinMenu.c] - Rev 1765
Compare with Previous | Blame | View Log
/* * tkWinMenu.c -- * * This module implements the Windows platform-specific features of menus. * * Copyright (c) 1996-1997 by Sun Microsystems, Inc. * * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * * RCS: @(#) $Id: tkWinMenu.c,v 1.1.1.1 2002-01-16 10:26:03 markom Exp $ */ #define OEMRESOURCE #include <string.h> #include "tkMenu.h" #include "tkWinInt.h" /* * The class of the window for popup menus. */ #define MENU_CLASS_NAME "MenuWindowClass" /* * Used to align a windows bitmap inside a rectangle */ #define ALIGN_BITMAP_LEFT 0x00000001 #define ALIGN_BITMAP_RIGHT 0x00000002 #define ALIGN_BITMAP_TOP 0x00000004 #define ALIGN_BITMAP_BOTTOM 0x00000008 /* * Platform-specific menu flags: * * MENU_SYSTEM_MENU Non-zero means that the Windows menu handle * was retrieved with GetSystemMenu and needs * to be disposed of specially. * MENU_RECONFIGURE_PENDING * Non-zero means that an idle handler has * been set up to reconfigure the Windows menu * handle for this menu. */ #define MENU_SYSTEM_MENU MENU_PLATFORM_FLAG1 #define MENU_RECONFIGURE_PENDING MENU_PLATFORM_FLAG2 static int indicatorDimensions[2]; /* The dimensions of the indicator space * in a menu entry. Calculated at init * time to save time. */ static Tcl_HashTable commandTable; /* A map of command ids to menu entries */ static int inPostMenu; /* We cannot be re-entrant like X Windows. */ static WORD lastCommandID; /* The last command ID we allocated. */ static HWND menuHWND; /* A window to service popup-menu messages * in. */ static int oldServiceMode; /* Used while processing a menu; we need * to set the event mode specially when we * enter the menu processing modal loop * and reset it when menus go away. */ static TkMenu *modalMenuPtr; /* The menu we are processing inside the modal * loop. We need this to reset all of the * active items when menus go away since * Windows does not see fit to give this * to us when it sends its WM_MENUSELECT. */ static OSVERSIONINFO versionInfo; /* So we don't have to keep doing this */ static Tcl_HashTable winMenuTable; /* Need this to map HMENUs back to menuPtrs */ /* * The following are default menu value strings. */ static char borderString[5]; /* The string indicating how big the border is */ static Tcl_DString menuFontDString; /* A buffer to store the default menu font * string. */ /* * Forward declarations for procedures defined later in this file: */ static void DrawMenuEntryAccelerator _ANSI_ARGS_(( TkMenu *menuPtr, TkMenuEntry *mePtr, Drawable d, GC gc, Tk_Font tkfont, CONST Tk_FontMetrics *fmPtr, Tk_3DBorder activeBorder, int x, int y, int width, int height, int drawArrow)); static void DrawMenuEntryBackground _ANSI_ARGS_(( TkMenu *menuPtr, TkMenuEntry *mePtr, Drawable d, Tk_3DBorder activeBorder, Tk_3DBorder bgBorder, int x, int y, int width, int heigth)); static void DrawMenuEntryIndicator _ANSI_ARGS_(( TkMenu *menuPtr, TkMenuEntry *mePtr, Drawable d, GC gc, GC indicatorGC, Tk_Font tkfont, CONST Tk_FontMetrics *fmPtr, int x, int y, int width, int height)); static void DrawMenuEntryLabel _ANSI_ARGS_(( TkMenu * menuPtr, TkMenuEntry *mePtr, Drawable d, GC gc, Tk_Font tkfont, CONST Tk_FontMetrics *fmPtr, int x, int y, int width, int height)); static void DrawMenuSeparator _ANSI_ARGS_((TkMenu *menuPtr, TkMenuEntry *mePtr, Drawable d, GC gc, Tk_Font tkfont, CONST Tk_FontMetrics *fmPtr, int x, int y, int width, int height)); static void DrawTearoffEntry _ANSI_ARGS_((TkMenu *menuPtr, TkMenuEntry *mePtr, Drawable d, GC gc, Tk_Font tkfont, CONST Tk_FontMetrics *fmPtr, int x, int y, int width, int height)); static void DrawMenuUnderline _ANSI_ARGS_((TkMenu *menuPtr, TkMenuEntry *mePtr, Drawable d, GC gc, Tk_Font tkfont, CONST Tk_FontMetrics *fmPtr, int x, int y, int width, int height)); static void DrawWindowsSystemBitmap _ANSI_ARGS_(( Display *display, Drawable drawable, GC gc, CONST RECT *rectPtr, int bitmapID, int alignFlags)); static void FreeID _ANSI_ARGS_((int commandID)); static char * GetEntryText _ANSI_ARGS_((TkMenuEntry *mePtr)); static void GetMenuAccelGeometry _ANSI_ARGS_((TkMenu *menuPtr, TkMenuEntry *mePtr, Tk_Font tkfont, CONST Tk_FontMetrics *fmPtr, int *widthPtr, int *heightPtr)); static void GetMenuLabelGeometry _ANSI_ARGS_((TkMenuEntry *mePtr, Tk_Font tkfont, CONST Tk_FontMetrics *fmPtr, int *widthPtr, int *heightPtr)); static void GetMenuIndicatorGeometry _ANSI_ARGS_(( TkMenu *menuPtr, TkMenuEntry *mePtr, Tk_Font tkfont, CONST Tk_FontMetrics *fmPtr, int *widthPtr, int *heightPtr)); static void GetMenuSeparatorGeometry _ANSI_ARGS_(( TkMenu *menuPtr, TkMenuEntry *mePtr, Tk_Font tkfont, CONST Tk_FontMetrics *fmPtr, int *widthPtr, int *heightPtr)); static void GetTearoffEntryGeometry _ANSI_ARGS_((TkMenu *menuPtr, TkMenuEntry *mePtr, Tk_Font tkfont, CONST Tk_FontMetrics *fmPtr, int *widthPtr, int *heightPtr)); static int GetNewID _ANSI_ARGS_((TkMenuEntry *mePtr, int *menuIDPtr)); static void MenuExitProc _ANSI_ARGS_((ClientData clientData)); static int MenuKeyBindProc _ANSI_ARGS_(( ClientData clientData, Tcl_Interp *interp, XEvent *eventPtr, Tk_Window tkwin, KeySym keySym)); static void MenuSelectEvent _ANSI_ARGS_((TkMenu *menuPtr)); static void ReconfigureWindowsMenu _ANSI_ARGS_(( ClientData clientData)); static void RecursivelyClearActiveMenu _ANSI_ARGS_(( TkMenu *menuPtr)); static LRESULT CALLBACK TkWinMenuProc _ANSI_ARGS_((HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)); /* *---------------------------------------------------------------------- * * GetNewID -- * * Allocates a new menu id and marks it in use. * * Results: * Returns TCL_OK if succesful; TCL_ERROR if there are no more * ids of the appropriate type to allocate. menuIDPtr contains * the new id if succesful. * * Side effects: * An entry is created for the menu in the command hash table, * and the hash entry is stored in the appropriate field in the * menu data structure. * *---------------------------------------------------------------------- */ static int GetNewID(mePtr, menuIDPtr) TkMenuEntry *mePtr; /* The menu we are working with */ int *menuIDPtr; /* The resulting id */ { int found = 0; int newEntry; Tcl_HashEntry *commandEntryPtr; WORD returnID; WORD curID = lastCommandID + 1; /* * The following code relies on WORD wrapping when the highest value is * incremented. */ while (curID != lastCommandID) { commandEntryPtr = Tcl_CreateHashEntry(&commandTable, (char *) curID, &newEntry); if (newEntry == 1) { found = 1; returnID = curID; break; } curID++; } if (found) { Tcl_SetHashValue(commandEntryPtr, (char *) mePtr); *menuIDPtr = (int) returnID; lastCommandID = returnID; return TCL_OK; } else { return TCL_ERROR; } } /* *---------------------------------------------------------------------- * * FreeID -- * * Marks the itemID as free. * * Results: * None. * * Side effects: * The hash table entry for the ID is cleared. * *---------------------------------------------------------------------- */ static void FreeID(commandID) int commandID; { Tcl_HashEntry *entryPtr = Tcl_FindHashEntry(&commandTable, (char *) commandID); if (entryPtr != NULL) { Tcl_DeleteHashEntry(entryPtr); } } /* *---------------------------------------------------------------------- * * TkpNewMenu -- * * Gets a new blank menu. Only the platform specific options are filled * in. * * Results: * Standard TCL error. * * Side effects: * Allocates a Windows menu handle and places it in the platformData * field of the menuPtr. * *---------------------------------------------------------------------- */ int TkpNewMenu(menuPtr) TkMenu *menuPtr; /* The common structure we are making the * platform structure for. */ { HMENU winMenuHdl; Tcl_HashEntry *hashEntryPtr; int newEntry; winMenuHdl = CreatePopupMenu(); if (winMenuHdl == NULL) { Tcl_AppendResult(menuPtr->interp, "No more menus can be allocated.", (char *) NULL); return TCL_ERROR; } /* * We hash all of the HMENU's so that we can get their menu ptrs * back when dispatch messages. */ hashEntryPtr = Tcl_CreateHashEntry(&winMenuTable, (char *) winMenuHdl, &newEntry); Tcl_SetHashValue(hashEntryPtr, (char *) menuPtr); menuPtr->platformData = (TkMenuPlatformData) winMenuHdl; return TCL_OK; } /* *---------------------------------------------------------------------- * * TkpDestroyMenu -- * * Destroys platform-specific menu structures. * * Results: * None. * * Side effects: * All platform-specific allocations are freed up. * *---------------------------------------------------------------------- */ void TkpDestroyMenu(menuPtr) TkMenu *menuPtr; /* The common menu structure */ { HMENU winMenuHdl = (HMENU) menuPtr->platformData; if (menuPtr->menuFlags & MENU_RECONFIGURE_PENDING) { Tcl_CancelIdleCall(ReconfigureWindowsMenu, (ClientData) menuPtr); } if (winMenuHdl == NULL) { return; } if (menuPtr->menuFlags & MENU_SYSTEM_MENU) { TkMenuEntry *searchEntryPtr; Tcl_HashTable *tablePtr = TkGetMenuHashTable(menuPtr->interp); char *menuName = Tcl_GetHashKey(tablePtr, menuPtr->menuRefPtr->hashEntryPtr); /* * Search for the menu in the menubar, if it is present, get the * wrapper window associated with the toplevel and reset its * system menu to the default menu. */ for (searchEntryPtr = menuPtr->menuRefPtr->parentEntryPtr; searchEntryPtr != NULL; searchEntryPtr = searchEntryPtr->nextCascadePtr) { if (strcmp(searchEntryPtr->name, menuName) == 0) { Tk_Window parentTopLevelPtr = searchEntryPtr ->menuPtr->parentTopLevelPtr; if (parentTopLevelPtr != NULL) { GetSystemMenu(TkWinGetWrapperWindow(parentTopLevelPtr), TRUE); } break; } } } else { Tcl_HashEntry *hashEntryPtr; /* * Remove the menu from the menu hash table, then destroy the handle. */ hashEntryPtr = Tcl_FindHashEntry(&winMenuTable, (char *) winMenuHdl); if (hashEntryPtr != NULL) { Tcl_DeleteHashEntry(hashEntryPtr); } DestroyMenu(winMenuHdl); } menuPtr->platformData = NULL; if (menuPtr == modalMenuPtr) { 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((int) mePtr->platformEntryData); mePtr->platformEntryData = NULL; } /* *---------------------------------------------------------------------- * * GetEntryText -- * * Given a menu entry, gives back the text that should go in it. * Separators should be done by the caller, as they have to be * handled specially. Allocates the memory with alloc. The caller * should free the memory. * * Results: * itemText points to the new text for the item. * * Side effects: * None. * *---------------------------------------------------------------------- */ static char * GetEntryText(mePtr) TkMenuEntry *mePtr; /* A pointer to the menu entry. */ { char *itemText; if (mePtr->type == TEAROFF_ENTRY) { itemText = ckalloc(sizeof("(Tear-off)")); strcpy(itemText, "(Tear-off)"); } else if (mePtr->imageString != NULL) { itemText = ckalloc(sizeof("(Image)")); strcpy(itemText, "(Image)"); } else if (mePtr->bitmap != None) { itemText = ckalloc(sizeof("(Pixmap)")); strcpy(itemText, "(Pixmap)"); } else if (mePtr->label == NULL || mePtr->labelLength == 0) { itemText = ckalloc(sizeof("( )")); strcpy(itemText, "( )"); } else { int size = mePtr->labelLength + 1; int i, j; /* * We have to construct the string with an ampersand * preceeding the underline character, and a tab seperating * the text and the accel text. We have to be careful with * ampersands in the string. */ for (i = 0; i < mePtr->labelLength; i++) { if (mePtr->label[i] == '&') { size++; } } if (mePtr->underline >= 0) { size++; if (mePtr->label[mePtr->underline] == '&') { size++; } } if (mePtr->accelLength > 0) { size += mePtr->accelLength + 1; } for (i = 0; i < mePtr->accelLength; i++) { if (mePtr->accel[i] == '&') { size++; } } itemText = ckalloc(size); if (mePtr->labelLength == 0) { itemText[0] = 0; } else { for (i = 0, j = 0; i < mePtr->labelLength; i++, j++) { if (mePtr->label[i] == '&') { itemText[j++] = '&'; } if (i == mePtr->underline) { itemText[j++] = '&'; } itemText[j] = mePtr->label[i]; } itemText[j] = '\0'; } if (mePtr->accelLength > 0) { strcat(itemText, "\t"); for (i = 0, j = strlen(itemText); i < mePtr->accelLength; i++, j++) { if (mePtr->accel[i] == '&') { itemText[j++] = '&'; } itemText[j] = mePtr->accel[i]; } itemText[j] = '\0'; } } return itemText; } /* *---------------------------------------------------------------------- * * ReconfigureWindowsMenu -- * * Tears down and rebuilds the platform-specific part of this menu. * * Results: * None. * * Side effects: * Configuration information get set for mePtr; old resources * get freed, if any need it. * *---------------------------------------------------------------------- */ static void ReconfigureWindowsMenu( ClientData clientData) /* The menu we are rebuilding */ { TkMenu *menuPtr = (TkMenu *) clientData; TkMenuEntry *mePtr; HMENU winMenuHdl = (HMENU) menuPtr->platformData; char *itemText = NULL; LPCTSTR lpNewItem; UINT flags; UINT itemID; int i, count, systemMenu = 0, base; int width, height; if (NULL == winMenuHdl) { return; } /* * Reconstruct the entire menu. Takes care of nasty system menu and index * problem. * */ if ((menuPtr->menuType == MENUBAR) && (menuPtr->parentTopLevelPtr != NULL)) { width = Tk_Width(menuPtr->parentTopLevelPtr); height = Tk_Height(menuPtr->parentTopLevelPtr); } base = (menuPtr->menuFlags & MENU_SYSTEM_MENU) ? 7 : 0; count = GetMenuItemCount(winMenuHdl); for (i = base; i < count; i++) { RemoveMenu(winMenuHdl, base, MF_BYPOSITION); } count = menuPtr->numEntries; for (i = 0; i < count; i++) { mePtr = menuPtr->entries[i]; lpNewItem = NULL; flags = MF_BYPOSITION; itemID = 0; if ((menuPtr->menuType == MENUBAR) && (mePtr->type == TEAROFF_ENTRY)) { continue; } if (mePtr->type == SEPARATOR_ENTRY) { flags |= MF_SEPARATOR; } else { itemText = GetEntryText(mePtr); if ((menuPtr->menuType == MENUBAR) || (menuPtr->menuFlags & MENU_SYSTEM_MENU)) { lpNewItem = itemText; } else { lpNewItem = (LPCTSTR) mePtr; flags |= MF_OWNERDRAW; } /* * Set enabling and disabling correctly. */ if (mePtr->state == tkDisabledUid) { flags |= MF_DISABLED; } /* * Set the check mark for check entries and radio entries. */ if (((mePtr->type == CHECK_BUTTON_ENTRY) || (mePtr->type == RADIO_BUTTON_ENTRY)) && (mePtr->entryFlags & ENTRY_SELECTED)) { flags |= MF_CHECKED; } if (mePtr->columnBreak) { flags |= MF_MENUBREAK; } itemID = (int) mePtr->platformEntryData; if ((mePtr->type == CASCADE_ENTRY) && (mePtr->childMenuRefPtr != NULL) && (mePtr->childMenuRefPtr->menuPtr != NULL)) { HMENU childMenuHdl = (HMENU) mePtr->childMenuRefPtr->menuPtr ->platformData; if (childMenuHdl != NULL) { itemID = (UINT) childMenuHdl; flags |= MF_POPUP; } if ((menuPtr->menuType == MENUBAR) && !(mePtr->childMenuRefPtr->menuPtr->menuFlags & MENU_SYSTEM_MENU)) { TkMenuReferences *menuRefPtr; TkMenu *systemMenuPtr = mePtr->childMenuRefPtr ->menuPtr; char *systemMenuName = ckalloc(strlen( Tk_PathName(menuPtr->masterMenuPtr->tkwin)) + strlen(".system") + 1); strcpy(systemMenuName, Tk_PathName(menuPtr->masterMenuPtr->tkwin)); strcat(systemMenuName, ".system"); menuRefPtr = TkFindMenuReferences(menuPtr->interp, systemMenuName); if ((menuRefPtr != NULL) && (menuRefPtr->menuPtr != NULL) && (menuPtr->parentTopLevelPtr != NULL) && (systemMenuPtr->masterMenuPtr == menuRefPtr->menuPtr)) { HMENU systemMenuHdl = (HMENU) systemMenuPtr->platformData; HWND wrapper = TkWinGetWrapperWindow(menuPtr ->parentTopLevelPtr); if (wrapper != NULL) { DestroyMenu(systemMenuHdl); systemMenuHdl = GetSystemMenu(wrapper, FALSE); systemMenuPtr->menuFlags |= MENU_SYSTEM_MENU; systemMenuPtr->platformData = (TkMenuPlatformData) systemMenuHdl; if (!(systemMenuPtr->menuFlags & MENU_RECONFIGURE_PENDING)) { systemMenuPtr->menuFlags |= MENU_RECONFIGURE_PENDING; Tcl_DoWhenIdle(ReconfigureWindowsMenu, (ClientData) systemMenuPtr); } } } ckfree(systemMenuName); } if (mePtr->childMenuRefPtr->menuPtr->menuFlags & MENU_SYSTEM_MENU) { systemMenu++; } } } if (!systemMenu) { InsertMenu(winMenuHdl, 0xFFFFFFFF, flags, itemID, lpNewItem); } if (itemText != NULL) { ckfree(itemText); itemText = NULL; } } if ((menuPtr->menuType == MENUBAR) && (menuPtr->parentTopLevelPtr != NULL)) { DrawMenuBar(TkWinGetWrapperWindow(menuPtr->parentTopLevelPtr)); Tk_GeometryRequest(menuPtr->parentTopLevelPtr, width, height); } menuPtr->menuFlags &= ~(MENU_RECONFIGURE_PENDING); } /* *---------------------------------------------------------------------- * * TkpPostMenu -- * * Posts a menu on the screen * * Results: * None. * * Side effects: * The menu is posted and handled. * *---------------------------------------------------------------------- */ int TkpPostMenu(interp, menuPtr, x, y) Tcl_Interp *interp; TkMenu *menuPtr; int x; int y; { HMENU winMenuHdl = (HMENU) menuPtr->platformData; int result, flags; RECT noGoawayRect; POINT point; Tk_Window parentWindow = Tk_Parent(menuPtr->tkwin); int oldServiceMode = Tcl_GetServiceMode(); inPostMenu++; if (menuPtr->menuFlags & MENU_RECONFIGURE_PENDING) { Tcl_CancelIdleCall(ReconfigureWindowsMenu, (ClientData) menuPtr); ReconfigureWindowsMenu((ClientData) menuPtr); } result = TkPreprocessMenu(menuPtr); if (result != TCL_OK) { inPostMenu--; return result; } /* * The post commands could have deleted the menu, which means * we are dead and should go away. */ if (menuPtr->tkwin == NULL) { inPostMenu--; return TCL_OK; } if (NULL == parentWindow) { noGoawayRect.top = y - 50; noGoawayRect.bottom = y + 50; noGoawayRect.left = x - 50; noGoawayRect.right = x + 50; } else { int left, top; Tk_GetRootCoords(parentWindow, &left, &top); noGoawayRect.left = left; noGoawayRect.top = top; noGoawayRect.bottom = noGoawayRect.top + Tk_Height(parentWindow); noGoawayRect.right = noGoawayRect.left + Tk_Width(parentWindow); } Tcl_SetServiceMode(TCL_SERVICE_NONE); /* * Make an assumption here. If the right button is down, * then we want to track it. Otherwise, track the left mouse button. */ flags = TPM_LEFTALIGN; if (GetSystemMetrics(SM_SWAPBUTTON)) { if (GetAsyncKeyState(VK_LBUTTON) < 0) { flags |= TPM_RIGHTBUTTON; } else { flags |= TPM_LEFTBUTTON; } } else { if (GetAsyncKeyState(VK_RBUTTON) < 0) { flags |= TPM_RIGHTBUTTON; } else { flags |= TPM_LEFTBUTTON; } } TrackPopupMenu(winMenuHdl, flags, x, y, 0, menuHWND, &noGoawayRect); Tcl_SetServiceMode(oldServiceMode); GetCursorPos(&point); Tk_PointerEvent(NULL, point.x, point.y); if (inPostMenu) { inPostMenu = 0; } return TCL_OK; } /* *---------------------------------------------------------------------- * * TkpMenuNewEntry -- * * Adds a pointer to a new menu entry structure with the platform- * specific fields filled in. * * Results: * Standard TCL error. * * Side effects: * A new command ID is allocated and stored in the platformEntryData * field of mePtr. * *---------------------------------------------------------------------- */ int TkpMenuNewEntry(mePtr) TkMenuEntry *mePtr; { int commandID; TkMenu *menuPtr = mePtr->menuPtr; if (GetNewID(mePtr, &commandID) != TCL_OK) { return TCL_ERROR; } if (!(menuPtr->menuFlags & MENU_RECONFIGURE_PENDING)) { menuPtr->menuFlags |= MENU_RECONFIGURE_PENDING; Tcl_DoWhenIdle(ReconfigureWindowsMenu, (ClientData) menuPtr); } mePtr->platformEntryData = (TkMenuPlatformEntryData) commandID; return TCL_OK; } /* *---------------------------------------------------------------------- * * TkWinMenuProc -- * * The window proc for the dummy window we put popups in. This allows * is to post a popup whether or not we know what the parent window * is. * * Results: * Returns whatever is appropriate for the message in question. * * Side effects: * Normal side-effect for windows messages. * *---------------------------------------------------------------------- */ static LRESULT CALLBACK TkWinMenuProc(hwnd, message, wParam, lParam) HWND hwnd; UINT message; WPARAM wParam; LPARAM lParam; { LRESULT lResult; if (!TkWinHandleMenuEvent(&hwnd, &message, &wParam, &lParam, &lResult)) { lResult = DefWindowProc(hwnd, message, wParam, lParam); } return lResult; } /* *---------------------------------------------------------------------- * * TkWinHandleMenuEvent -- * * Filters out menu messages from messages passed to a top-level. * Will respond appropriately to WM_COMMAND, WM_MENUSELECT, * WM_MEASUREITEM, WM_DRAWITEM * * Result: * Returns 1 if this handled the message; 0 if it did not. * * Side effects: * All of the parameters may be modified so that the caller can * think it is getting a different message. plResult points to * the result that should be returned to windows from this message. * *---------------------------------------------------------------------- */ int TkWinHandleMenuEvent(phwnd, pMessage, pwParam, plParam, plResult) HWND *phwnd; UINT *pMessage; WPARAM *pwParam; LPARAM *plParam; LRESULT *plResult; { Tcl_HashEntry *hashEntryPtr; int returnResult = 0; TkMenu *menuPtr; TkMenuEntry *mePtr; switch (*pMessage) { case WM_INITMENU: TkMenuInit(); hashEntryPtr = Tcl_FindHashEntry(&winMenuTable, (char *) *pwParam); if (hashEntryPtr != NULL) { oldServiceMode = Tcl_SetServiceMode(TCL_SERVICE_ALL); menuPtr = (TkMenu *) Tcl_GetHashValue(hashEntryPtr); modalMenuPtr = menuPtr; if (menuPtr->menuFlags & MENU_RECONFIGURE_PENDING) { Tcl_CancelIdleCall(ReconfigureWindowsMenu, (ClientData) menuPtr); ReconfigureWindowsMenu((ClientData) menuPtr); } if (!inPostMenu) { Tcl_Interp *interp; int code; interp = menuPtr->interp; Tcl_Preserve((ClientData)interp); code = TkPreprocessMenu(menuPtr); if ((code != TCL_OK) && (code != TCL_CONTINUE) && (code != TCL_BREAK)) { Tcl_AddErrorInfo(interp, "\n (menu preprocess)"); Tcl_BackgroundError(interp); } Tcl_Release((ClientData)interp); } TkActivateMenuEntry(menuPtr, -1); *plResult = 0; returnResult = 1; } else { modalMenuPtr = NULL; } break; #if 0 /* CYGNUS LOCAL: WM_SYSCOMMAND is not the same as WM_COMMAND. */ case WM_SYSCOMMAND: #endif case WM_COMMAND: { TkMenuInit(); if (HIWORD(*pwParam) != 0) { break; } hashEntryPtr = Tcl_FindHashEntry(&commandTable, (char *)LOWORD(*pwParam)); if (hashEntryPtr == NULL) { break; } mePtr = (TkMenuEntry *) Tcl_GetHashValue(hashEntryPtr); if (mePtr != NULL) { TkMenuReferences *menuRefPtr; TkMenuEntry *parentEntryPtr; Tcl_Interp *interp; int code; /* * We have to set the parent of this menu to be active * if this is a submenu so that tearoffs will get the * correct title. */ menuPtr = mePtr->menuPtr; menuRefPtr = TkFindMenuReferences(menuPtr->interp, Tk_PathName(menuPtr->tkwin)); if ((menuRefPtr != NULL) && (menuRefPtr->parentEntryPtr != NULL)) { for (parentEntryPtr = menuRefPtr->parentEntryPtr; strcmp(parentEntryPtr->name, Tk_PathName(menuPtr->tkwin)) != 0; parentEntryPtr = parentEntryPtr->nextCascadePtr) { /* * Empty loop body. */ } if (parentEntryPtr->menuPtr ->entries[parentEntryPtr->index]->state != tkDisabledUid) { TkActivateMenuEntry(parentEntryPtr->menuPtr, parentEntryPtr->index); } } interp = menuPtr->interp; Tcl_Preserve((ClientData)interp); code = TkInvokeMenu(interp, menuPtr, mePtr->index); if ((code != TCL_OK) && (code != TCL_CONTINUE) && (code != TCL_BREAK)) { Tcl_AddErrorInfo(interp, "\n (menu invoke)"); Tcl_BackgroundError(interp); } Tcl_Release((ClientData)interp); } *plResult = 0; returnResult = 1; break; } case WM_MENUCHAR: { unsigned char menuChar = (unsigned char) LOWORD(*pwParam); hashEntryPtr = Tcl_FindHashEntry(&winMenuTable, (char *) *plParam); if (hashEntryPtr != NULL) { int i; *plResult = 0; menuPtr = (TkMenu *) Tcl_GetHashValue(hashEntryPtr); for (i = 0; i < menuPtr->numEntries; i++) { int underline = menuPtr->entries[i]->underline; if ((-1 != underline) && (NULL != menuPtr->entries[i]->label) && (CharUpper((LPTSTR) menuChar) == CharUpper((LPTSTR) (unsigned char) menuPtr ->entries[i]->label[underline]))) { *plResult = (2 << 16) | i; returnResult = 1; break; } } } break; } case WM_MEASUREITEM: { LPMEASUREITEMSTRUCT itemPtr = (LPMEASUREITEMSTRUCT) *plParam; if (itemPtr != NULL) { mePtr = (TkMenuEntry *) itemPtr->itemData; menuPtr = mePtr->menuPtr; TkRecomputeMenu(menuPtr); itemPtr->itemHeight = mePtr->height; itemPtr->itemWidth = mePtr->width; if (mePtr->hideMargin) { itemPtr->itemWidth += 2 - indicatorDimensions[1]; } else { itemPtr->itemWidth += 2 * menuPtr->activeBorderWidth; } *plResult = 1; returnResult = 1; } break; } case WM_DRAWITEM: { TkWinDrawable *twdPtr; LPDRAWITEMSTRUCT itemPtr = (LPDRAWITEMSTRUCT) *plParam; Tk_FontMetrics fontMetrics; if (itemPtr != NULL) { mePtr = (TkMenuEntry *) itemPtr->itemData; menuPtr = mePtr->menuPtr; twdPtr = (TkWinDrawable *) ckalloc(sizeof(TkWinDrawable)); twdPtr->type = TWD_WINDC; twdPtr->winDC.hdc = itemPtr->hDC; if (mePtr->state != tkDisabledUid) { if (itemPtr->itemState & ODS_SELECTED) { TkActivateMenuEntry(menuPtr, mePtr->index); } else { TkActivateMenuEntry(menuPtr, -1); } } Tk_GetFontMetrics(menuPtr->tkfont, &fontMetrics); TkpDrawMenuEntry(mePtr, (Drawable) twdPtr, menuPtr->tkfont, &fontMetrics, itemPtr->rcItem.left, itemPtr->rcItem.top, itemPtr->rcItem.right - itemPtr->rcItem.left, itemPtr->rcItem.bottom - itemPtr->rcItem.top, 0, 0); ckfree((char *) twdPtr); *plResult = 1; returnResult = 1; } break; } case WM_MENUSELECT: { UINT flags = HIWORD(*pwParam); TkMenuInit(); if ((flags == 0xFFFF) && (*plParam == 0)) { Tcl_SetServiceMode(oldServiceMode); if (modalMenuPtr != NULL) { RecursivelyClearActiveMenu(modalMenuPtr); } } else { menuPtr = NULL; if (*plParam != 0) { hashEntryPtr = Tcl_FindHashEntry(&winMenuTable, (char *) *plParam); if (hashEntryPtr != NULL) { menuPtr = (TkMenu *) Tcl_GetHashValue(hashEntryPtr); } } if (menuPtr != NULL) { mePtr = NULL; if (flags != 0xFFFF) { if (flags & MF_POPUP) { mePtr = menuPtr->entries[LOWORD(*pwParam)]; } else { hashEntryPtr = Tcl_FindHashEntry(&commandTable, (char *) LOWORD(*pwParam)); if (hashEntryPtr != NULL) { mePtr = (TkMenuEntry *) Tcl_GetHashValue(hashEntryPtr); } } } if ((mePtr == NULL) || (mePtr->state == tkDisabledUid)) { TkActivateMenuEntry(menuPtr, -1); } else { TkActivateMenuEntry(menuPtr, mePtr->index); } MenuSelectEvent(menuPtr); Tcl_ServiceAll(); } } } } return returnResult; } /* *---------------------------------------------------------------------- * * RecursivelyClearActiveMenu -- * * Recursively clears the active entry in the menu's cascade hierarchy. * * Results: * None. * * Side effects: * Generates <<MenuSelect>> virtual events. * *---------------------------------------------------------------------- */ void RecursivelyClearActiveMenu( TkMenu *menuPtr) /* The menu to reset. */ { int i; TkMenuEntry *mePtr; TkActivateMenuEntry(menuPtr, -1); MenuSelectEvent(menuPtr); for (i = 0; i < menuPtr->numEntries; i++) { mePtr = menuPtr->entries[i]; if (mePtr->type == CASCADE_ENTRY) { if ((mePtr->childMenuRefPtr != NULL) && (mePtr->childMenuRefPtr->menuPtr != NULL)) { RecursivelyClearActiveMenu(mePtr->childMenuRefPtr->menuPtr); } } } } /* *---------------------------------------------------------------------- * * TkpSetWindowMenuBar -- * * Associates a given menu with a window. * * Results: * None. * * Side effects: * On Windows and UNIX, associates the platform menu with the * platform window. * *---------------------------------------------------------------------- */ void TkpSetWindowMenuBar(tkwin, menuPtr) Tk_Window tkwin; /* The window we are putting the menubar into.*/ TkMenu *menuPtr; /* The menu we are inserting */ { HMENU winMenuHdl; if (menuPtr != NULL) { Tcl_HashEntry *hashEntryPtr; int newEntry; winMenuHdl = (HMENU) menuPtr->platformData; hashEntryPtr = Tcl_FindHashEntry(&winMenuTable, (char *) winMenuHdl); Tcl_DeleteHashEntry(hashEntryPtr); DestroyMenu(winMenuHdl); winMenuHdl = CreateMenu(); hashEntryPtr = Tcl_CreateHashEntry(&winMenuTable, (char *) winMenuHdl, &newEntry); Tcl_SetHashValue(hashEntryPtr, (char *) menuPtr); menuPtr->platformData = (TkMenuPlatformData) winMenuHdl; TkWinSetMenu(tkwin, winMenuHdl); if (menuPtr->menuFlags & MENU_RECONFIGURE_PENDING) { Tcl_DoWhenIdle(ReconfigureWindowsMenu, (ClientData) menuPtr); menuPtr->menuFlags |= MENU_RECONFIGURE_PENDING; } } else { TkWinSetMenu(tkwin, NULL); } } /* *---------------------------------------------------------------------- * * TkpSetMainMenubar -- * * Puts the menu associated with a window into the menubar. Should * only be called when the window is in front. * * Results: * None. * * Side effects: * The menubar is changed. * *---------------------------------------------------------------------- */ void TkpSetMainMenubar( Tcl_Interp *interp, /* The interpreter of the application */ Tk_Window tkwin, /* The frame we are setting up */ char *menuName) /* The name of the menu to put in front. * If NULL, use the default menu bar. */ { /* * Nothing to do. */ } /* *---------------------------------------------------------------------- * * GetMenuIndicatorGeometry -- * * Gets the width and height of the indicator area of a menu. * * Results: * widthPtr and heightPtr are set. * * Side effects: * None. * *---------------------------------------------------------------------- */ void GetMenuIndicatorGeometry ( TkMenu *menuPtr, /* The menu we are measuring */ TkMenuEntry *mePtr, /* The entry we are measuring */ Tk_Font tkfont, /* Precalculated font */ CONST Tk_FontMetrics *fmPtr, /* Precalculated font metrics */ int *widthPtr, /* The resulting width */ int *heightPtr) /* The resulting height */ { *heightPtr = indicatorDimensions[0]; if (mePtr->hideMargin) { *widthPtr = 0; } else { *widthPtr = indicatorDimensions[1] - menuPtr->borderWidth; } } /* *---------------------------------------------------------------------- * * GetMenuAccelGeometry -- * * Gets the width and height of the indicator area of a menu. * * Results: * widthPtr and heightPtr are set. * * Side effects: * None. * *---------------------------------------------------------------------- */ void GetMenuAccelGeometry ( TkMenu *menuPtr, /* The menu we are measuring */ TkMenuEntry *mePtr, /* The entry we are measuring */ Tk_Font tkfont, /* The precalculated font */ CONST Tk_FontMetrics *fmPtr, /* The precalculated font metrics */ int *widthPtr, /* The resulting width */ int *heightPtr) /* The resulting height */ { *heightPtr = fmPtr->linespace; if (mePtr->type == CASCADE_ENTRY) { *widthPtr = 0; } else if (mePtr->accel == NULL) { *widthPtr = 0; } else { *widthPtr = Tk_TextWidth(tkfont, mePtr->accel, mePtr->accelLength); } } /* *---------------------------------------------------------------------- * * GetTearoffEntryGeometry -- * * Gets the width and height of the indicator area of a menu. * * Results: * widthPtr and heightPtr are set. * * Side effects: * None. * *---------------------------------------------------------------------- */ void GetTearoffEntryGeometry ( TkMenu *menuPtr, /* The menu we are measuring */ TkMenuEntry *mePtr, /* The entry we are measuring */ Tk_Font tkfont, /* The precalculated font */ CONST Tk_FontMetrics *fmPtr, /* The precalculated font metrics */ int *widthPtr, /* The resulting width */ int *heightPtr) /* The resulting height */ { if (menuPtr->menuType != MASTER_MENU) { *heightPtr = 0; } else { *heightPtr = fmPtr->linespace; } *widthPtr = 0; } /* *---------------------------------------------------------------------- * * GetMenuSeparatorGeometry -- * * Gets the width and height of the indicator area of a menu. * * Results: * widthPtr and heightPtr are set. * * Side effects: * None. * *---------------------------------------------------------------------- */ void GetMenuSeparatorGeometry ( TkMenu *menuPtr, /* The menu we are measuring */ TkMenuEntry *mePtr, /* The entry we are measuring */ Tk_Font tkfont, /* The precalculated font */ CONST Tk_FontMetrics *fmPtr, /* The precalcualted font metrics */ int *widthPtr, /* The resulting width */ int *heightPtr) /* The resulting height */ { *widthPtr = 0; *heightPtr = fmPtr->linespace; } /* *---------------------------------------------------------------------- * * DrawWindowsSystemBitmap -- * * Draws the windows system bitmap given by bitmapID into the rect * given by rectPtr in the drawable. The bitmap is centered in the * rectangle. It is not clipped, so if the bitmap is bigger than * the rect it will bleed. * * Results: * None. * * Side effects: * Drawing occurs. Some storage is allocated and released. * *---------------------------------------------------------------------- */ static void DrawWindowsSystemBitmap(display, drawable, gc, rectPtr, bitmapID, alignFlags) Display *display; /* The display we are drawing into */ Drawable drawable; /* The drawable we are working with */ GC gc; /* The GC to draw with */ CONST RECT *rectPtr; /* The rectangle to draw into */ int bitmapID; /* The windows id of the system * bitmap to draw. */ int alignFlags; /* How to align the bitmap inside the * rectangle. */ { TkWinDCState state; HDC hdc = TkWinGetDrawableDC(display, drawable, &state); HDC scratchDC; HBITMAP bitmap; BITMAP bm; POINT ptSize; POINT ptOrg; int topOffset, leftOffset; SetBkColor(hdc, gc->background); SetTextColor(hdc, gc->foreground); scratchDC = CreateCompatibleDC(hdc); bitmap = LoadBitmap(NULL, MAKEINTRESOURCE(bitmapID)); SelectObject(scratchDC, bitmap); SetMapMode(scratchDC, GetMapMode(hdc)); GetObject(bitmap, sizeof(BITMAP), &bm); ptSize.x = bm.bmWidth; ptSize.y = bm.bmHeight; DPtoLP(hdc, &ptSize, 1); ptOrg.y = ptOrg.x = 0; DPtoLP(hdc, &ptOrg, 1); if (alignFlags & ALIGN_BITMAP_TOP) { topOffset = 0; } else if (alignFlags & ALIGN_BITMAP_BOTTOM) { topOffset = (rectPtr->bottom - rectPtr->top) - ptSize.y; } else { topOffset = (rectPtr->bottom - rectPtr->top) / 2 - (ptSize.y / 2); } if (alignFlags & ALIGN_BITMAP_LEFT) { leftOffset = 0; } else if (alignFlags & ALIGN_BITMAP_RIGHT) { leftOffset = (rectPtr->right - rectPtr->left) - ptSize.x; } else { leftOffset = (rectPtr->right - rectPtr->left) / 2 - (ptSize.x / 2); } BitBlt(hdc, rectPtr->left + leftOffset, rectPtr->top + topOffset, ptSize.x, ptSize.y, scratchDC, ptOrg.x, ptOrg.y, SRCCOPY); DeleteDC(scratchDC); DeleteObject(bitmap); TkWinReleaseDrawableDC(drawable, hdc, &state); } /* *---------------------------------------------------------------------- * * DrawMenuEntryIndicator -- * * This procedure draws the indicator part of a menu. * * Results: * None. * * Side effects: * Commands are output to X to display the menu in its * current mode. * *---------------------------------------------------------------------- */ void DrawMenuEntryIndicator(menuPtr, mePtr, d, gc, indicatorGC, tkfont, fmPtr, x, y, width, height) TkMenu *menuPtr; /* The menu we are drawing */ TkMenuEntry *mePtr; /* The entry we are drawing */ Drawable d; /* What we are drawing into */ GC gc; /* The gc we are drawing with */ GC indicatorGC; /* The gc for indicator objects */ Tk_Font tkfont; /* The precalculated font */ CONST Tk_FontMetrics *fmPtr; /* The precalculated font metrics */ int x; /* Left edge */ int y; /* Top edge */ int width; int height; { if ((mePtr->type == CHECK_BUTTON_ENTRY || mePtr->type == RADIO_BUTTON_ENTRY) && mePtr->indicatorOn && mePtr->entryFlags & ENTRY_SELECTED) { RECT rect; GC whichGC; if (mePtr->state != tkNormalUid) { whichGC = gc; } else { whichGC = indicatorGC; } rect.top = y; rect.bottom = y + mePtr->height; rect.left = menuPtr->borderWidth + menuPtr->activeBorderWidth + x; rect.right = mePtr->indicatorSpace + x; if ((mePtr->state == tkDisabledUid) && (menuPtr->disabledFg != NULL) && (versionInfo.dwMajorVersion >= 4)) { RECT hilightRect; COLORREF oldFgColor = whichGC->foreground; whichGC->foreground = GetSysColor(COLOR_3DHILIGHT); hilightRect.top = rect.top + 1; hilightRect.bottom = rect.bottom + 1; hilightRect.left = rect.left + 1; hilightRect.right = rect.right + 1; DrawWindowsSystemBitmap(menuPtr->display, d, whichGC, &hilightRect, OBM_CHECK, 0); whichGC->foreground = oldFgColor; } DrawWindowsSystemBitmap(menuPtr->display, d, whichGC, &rect, OBM_CHECK, 0); if ((mePtr->state == tkDisabledUid) && (menuPtr->disabledImageGC != None) && (versionInfo.dwMajorVersion < 4)) { XFillRectangle(menuPtr->display, d, menuPtr->disabledImageGC, rect.left, rect.top, rect.right, rect.bottom); } } } /* *---------------------------------------------------------------------- * * DrawMenuEntryAccelerator -- * * This procedure draws the accelerator part of a menu. We * need to decide what to draw here. Should we replace strings * like "Control", "Command", etc? * * Results: * None. * * Side effects: * Commands are output to X to display the menu in its * current mode. * *---------------------------------------------------------------------- */ void DrawMenuEntryAccelerator(menuPtr, mePtr, d, gc, tkfont, fmPtr, activeBorder, x, y, width, height, drawArrow) TkMenu *menuPtr; /* The menu we are drawing */ TkMenuEntry *mePtr; /* The entry we are drawing */ Drawable d; /* What we are drawing into */ GC gc; /* The gc we are drawing with */ Tk_Font tkfont; /* The precalculated font */ CONST Tk_FontMetrics *fmPtr; /* The precalculated font metrics */ Tk_3DBorder activeBorder; /* The border when an item is active */ int x; /* left edge */ int y; /* top edge */ int width; /* Width of menu entry */ int height; /* Height of menu entry */ int drawArrow; /* For cascade menus, whether of not * to draw the arraw. I cannot figure * out Windows' algorithm for where * to draw this. */ { int baseline; int leftEdge = x + mePtr->indicatorSpace + mePtr->labelWidth; baseline = y + (height + fmPtr->ascent - fmPtr->descent) / 2; if ((mePtr->state == tkDisabledUid) && (menuPtr->disabledFg != NULL) && ((mePtr->accel != NULL) || ((mePtr->type == CASCADE_ENTRY) && drawArrow))) { if (versionInfo.dwMajorVersion >= 4) { COLORREF oldFgColor = gc->foreground; gc->foreground = GetSysColor(COLOR_3DHILIGHT); if (mePtr->accel != NULL) { Tk_DrawChars(menuPtr->display, d, gc, tkfont, mePtr->accel, mePtr->accelLength, leftEdge + 1, baseline + 1); } if (mePtr->type == CASCADE_ENTRY) { RECT rect; rect.top = y + GetSystemMetrics(SM_CYBORDER) + 1; rect.bottom = y + height - GetSystemMetrics(SM_CYBORDER) + 1; rect.left = x + mePtr->indicatorSpace + mePtr->labelWidth + 1; rect.right = x + width; DrawWindowsSystemBitmap(menuPtr->display, d, gc, &rect, OBM_MNARROW, ALIGN_BITMAP_RIGHT); } gc->foreground = oldFgColor; } } if (mePtr->accel != NULL) { Tk_DrawChars(menuPtr->display, d, gc, tkfont, mePtr->accel, mePtr->accelLength, leftEdge, baseline); } if ((mePtr->state == tkDisabledUid) && (menuPtr->disabledImageGC != None) && (versionInfo.dwMajorVersion < 4)) { XFillRectangle(menuPtr->display, d, menuPtr->disabledImageGC, leftEdge, y, width - mePtr->labelWidth - mePtr->indicatorSpace, height); } if ((mePtr->type == CASCADE_ENTRY) && drawArrow) { RECT rect; rect.top = y + GetSystemMetrics(SM_CYBORDER); rect.bottom = y + height - GetSystemMetrics(SM_CYBORDER); rect.left = x + mePtr->indicatorSpace + mePtr->labelWidth; rect.right = x + width - 1; DrawWindowsSystemBitmap(menuPtr->display, d, gc, &rect, OBM_MNARROW, ALIGN_BITMAP_RIGHT); if ((mePtr->state == tkDisabledUid) && (menuPtr->disabledImageGC != None) && (versionInfo.dwMajorVersion < 4)) { XFillRectangle(menuPtr->display, d, menuPtr->disabledImageGC, rect.left, rect.top, rect.right, rect.bottom); } } } /* *---------------------------------------------------------------------- * * DrawMenuSeparator -- * * The menu separator is drawn. * * Results: * None. * * Side effects: * Commands are output to X to display the menu in its * current mode. * *---------------------------------------------------------------------- */ void DrawMenuSeparator(menuPtr, mePtr, d, gc, tkfont, fmPtr, x, y, width, height) TkMenu *menuPtr; /* The menu we are drawing */ TkMenuEntry *mePtr; /* The entry we are drawing */ Drawable d; /* What we are drawing into */ GC gc; /* The gc we are drawing with */ Tk_Font tkfont; /* The precalculated font */ CONST Tk_FontMetrics *fmPtr; /* The precalculated font metrics */ int x; /* left edge */ int y; /* top edge */ int width; /* width of item */ int height; /* height of item */ { XPoint points[2]; points[0].x = x; points[0].y = y + height / 2; points[1].x = x + width - 1; points[1].y = points[0].y; Tk_Draw3DPolygon(menuPtr->tkwin, d, menuPtr->border, points, 2, 1, TK_RELIEF_RAISED); } /* *---------------------------------------------------------------------- * * DrawMenuUnderline -- * * On appropriate platforms, draw the underline character for the * menu. * * Results: * None. * * Side effects: * Commands are output to X to display the menu in its * current mode. * *---------------------------------------------------------------------- */ static void DrawMenuUnderline( TkMenu *menuPtr, /* The menu to draw into */ TkMenuEntry *mePtr, /* The entry we are drawing */ Drawable d, /* What we are drawing into */ GC gc, /* The gc to draw into */ Tk_Font tkfont, /* The precalculated font */ CONST Tk_FontMetrics *fmPtr, /* The precalculated font metrics */ int x, /* Left Edge */ int y, /* Top Edge */ int width, /* Width of entry */ int height) /* Height of entry */ { if (mePtr->underline >= 0) { Tk_UnderlineChars(menuPtr->display, d, gc, tkfont, mePtr->label, x + mePtr->indicatorSpace, y + (height + fmPtr->ascent - fmPtr->descent) / 2, mePtr->underline, mePtr->underline + 1); } } /* *-------------------------------------------------------------- * * MenuKeyBindProc -- * * This procedure is invoked when keys related to pulling * down menus is pressed. The corresponding Windows events * are generated and passed to DefWindowProc if appropriate. * * Results: * Always returns TCL_OK. * * Side effects: * The menu system may take over and process user events * for menu input. * *-------------------------------------------------------------- */ static int MenuKeyBindProc(clientData, interp, eventPtr, tkwin, keySym) ClientData clientData; /* not used in this proc */ Tcl_Interp *interp; /* The interpreter of the receiving window. */ XEvent *eventPtr; /* The XEvent to process */ Tk_Window tkwin; /* The window receiving the event */ KeySym keySym; /* The key sym that is produced. */ { UINT scanCode; UINT virtualKey; TkWindow *winPtr = (TkWindow *)tkwin; int i; if (eventPtr->type == KeyPress) { switch (keySym) { case XK_Alt_L: scanCode = MapVirtualKey(VK_LMENU, 0); CallWindowProc(DefWindowProc, Tk_GetHWND(Tk_WindowId(tkwin)), WM_SYSKEYDOWN, VK_MENU, (scanCode << 16) | (1 << 29)); break; case XK_Alt_R: scanCode = MapVirtualKey(VK_RMENU, 0); CallWindowProc(DefWindowProc, Tk_GetHWND(Tk_WindowId(tkwin)), WM_SYSKEYDOWN, VK_MENU, (scanCode << 16) | (1 << 29) | (1 << 24)); break; case XK_F10: scanCode = MapVirtualKey(VK_F10, 0); CallWindowProc(DefWindowProc, Tk_GetHWND(Tk_WindowId(tkwin)), WM_SYSKEYDOWN, VK_F10, (scanCode << 16)); break; default: virtualKey = XKeysymToKeycode(winPtr->display, keySym); scanCode = MapVirtualKey(virtualKey, 0); if (0 != scanCode) { CallWindowProc(DefWindowProc, Tk_GetHWND(Tk_WindowId(tkwin)), WM_SYSKEYDOWN, virtualKey, ((scanCode << 16) | (1 << 29))); if (eventPtr->xkey.nchars > 0) { for (i = 0; i < eventPtr->xkey.nchars; i++) { CallWindowProc(DefWindowProc, Tk_GetHWND(Tk_WindowId(tkwin)), WM_SYSCHAR, eventPtr->xkey.trans_chars[i], ((scanCode << 16) | (1 << 29))); } } } } } else if (eventPtr->type == KeyRelease) { switch (keySym) { case XK_Alt_L: scanCode = MapVirtualKey(VK_LMENU, 0); CallWindowProc(DefWindowProc, Tk_GetHWND(Tk_WindowId(tkwin)), WM_SYSKEYUP, VK_MENU, (scanCode << 16) | (1 << 29) | (1 << 30) | (1 << 31)); break; case XK_Alt_R: scanCode = MapVirtualKey(VK_RMENU, 0); CallWindowProc(DefWindowProc, Tk_GetHWND(Tk_WindowId(tkwin)), WM_SYSKEYUP, VK_MENU, (scanCode << 16) | (1 << 24) | (0x111 << 29) | (1 << 30) | (1 << 31)); break; case XK_F10: scanCode = MapVirtualKey(VK_F10, 0); CallWindowProc(DefWindowProc, Tk_GetHWND(Tk_WindowId(tkwin)), WM_SYSKEYUP, VK_F10, (scanCode << 16) | (1 << 30) | (1 << 31)); break; default: virtualKey = XKeysymToKeycode(winPtr->display, keySym); scanCode = MapVirtualKey(virtualKey, 0); if (0 != scanCode) { CallWindowProc(DefWindowProc, Tk_GetHWND(Tk_WindowId(tkwin)), WM_SYSKEYUP, virtualKey, ((scanCode << 16) | (1 << 29) | (1 << 30) | (1 << 31))); } } } return TCL_OK; } /* *-------------------------------------------------------------- * * TkpInitializeMenuBindings -- * * For every interp, initializes the bindings for Windows * menus. Does nothing on Mac or XWindows. * * Results: * None. * * Side effects: * C-level bindings are setup for the interp which will * handle Alt-key sequences for menus without beeping * or interfering with user-defined Alt-key bindings. * *-------------------------------------------------------------- */ void TkpInitializeMenuBindings(interp, bindingTable) Tcl_Interp *interp; /* The interpreter to set. */ Tk_BindingTable bindingTable; /* The table to add to. */ { Tk_Uid uid = Tk_GetUid("all"); /* * We need to set up the bindings for menubars. These have to * recreate windows events, so we need to have a C-level * binding for this. We have to generate the WM_SYSKEYDOWNS * and WM_SYSKEYUPs appropriately. */ TkCreateBindingProcedure(interp, bindingTable, (ClientData)uid, "<Alt_L>", MenuKeyBindProc, NULL, NULL); TkCreateBindingProcedure(interp, bindingTable, (ClientData)uid, "<KeyRelease-Alt_L>", MenuKeyBindProc, NULL, NULL); TkCreateBindingProcedure(interp, bindingTable, (ClientData)uid, "<Alt_R>", MenuKeyBindProc, NULL, NULL); TkCreateBindingProcedure(interp, bindingTable, (ClientData)uid, "<KeyRelease-Alt_R>", MenuKeyBindProc, NULL, NULL); TkCreateBindingProcedure(interp, bindingTable, (ClientData)uid, "<Alt-KeyPress>", MenuKeyBindProc, NULL, NULL); TkCreateBindingProcedure(interp, bindingTable, (ClientData)uid, "<Alt-KeyRelease>", MenuKeyBindProc, NULL, NULL); TkCreateBindingProcedure(interp, bindingTable, (ClientData)uid, "<KeyPress-F10>", MenuKeyBindProc, NULL, NULL); TkCreateBindingProcedure(interp, bindingTable, (ClientData)uid, "<KeyRelease-F10>", MenuKeyBindProc, NULL, NULL); } /* *---------------------------------------------------------------------- * * DrawMenuEntryLabel -- * * This procedure draws the label part of a menu. * * Results: * None. * * Side effects: * Commands are output to X to display the menu in its * current mode. * *---------------------------------------------------------------------- */ static void DrawMenuEntryLabel( TkMenu *menuPtr, /* The menu we are drawing */ TkMenuEntry *mePtr, /* The entry we are drawing */ Drawable d, /* What we are drawing into */ GC gc, /* The gc we are drawing into */ Tk_Font tkfont, /* The precalculated font */ CONST Tk_FontMetrics *fmPtr, /* The precalculated font metrics */ int x, /* left edge */ int y, /* right edge */ int width, /* width of entry */ int height) /* height of entry */ { int baseline; int indicatorSpace = mePtr->indicatorSpace; int leftEdge = x + indicatorSpace + menuPtr->activeBorderWidth; int imageHeight, imageWidth; /* * Draw label or bitmap or image for entry. */ baseline = y + (height + fmPtr->ascent - fmPtr->descent) / 2; if (mePtr->image != NULL) { Tk_SizeOfImage(mePtr->image, &imageWidth, &imageHeight); if ((mePtr->selectImage != NULL) && (mePtr->entryFlags & ENTRY_SELECTED)) { Tk_RedrawImage(mePtr->selectImage, 0, 0, imageWidth, imageHeight, d, leftEdge, (int) (y + (mePtr->height - imageHeight)/2)); } else { Tk_RedrawImage(mePtr->image, 0, 0, imageWidth, imageHeight, d, leftEdge, (int) (y + (mePtr->height - imageHeight)/2)); } } else if (mePtr->bitmap != None) { int width, height; Tk_SizeOfBitmap(menuPtr->display, mePtr->bitmap, &width, &height); XCopyPlane(menuPtr->display, mePtr->bitmap, d, gc, 0, 0, (unsigned) width, (unsigned) height, leftEdge, (int) (y + (mePtr->height - height)/2), 1); } else { if (mePtr->labelLength > 0) { Tk_DrawChars(menuPtr->display, d, gc, tkfont, mePtr->label, mePtr->labelLength, leftEdge, baseline); DrawMenuUnderline(menuPtr, mePtr, d, gc, tkfont, fmPtr, x, y, width, height); } } if (mePtr->state == tkDisabledUid) { if (menuPtr->disabledFg == NULL) { XFillRectangle(menuPtr->display, d, menuPtr->disabledGC, x, y, (unsigned) width, (unsigned) height); } else if ((mePtr->image != NULL) && (menuPtr->disabledImageGC != None)) { XFillRectangle(menuPtr->display, d, menuPtr->disabledImageGC, leftEdge, (int) (y + (mePtr->height - imageHeight)/2), (unsigned) imageWidth, (unsigned) imageHeight); } } } /* *-------------------------------------------------------------- * * TkpComputeMenubarGeometry -- * * This procedure is invoked to recompute the size and * layout of a menu that is a menubar clone. * * Results: * None. * * Side effects: * Fields of menu entries are changed to reflect their * current positions, and the size of the menu window * itself may be changed. * *-------------------------------------------------------------- */ void TkpComputeMenubarGeometry(menuPtr) TkMenu *menuPtr; /* Structure describing menu. */ { TkpComputeStandardMenuGeometry(menuPtr); } /* *---------------------------------------------------------------------- * * DrawTearoffEntry -- * * This procedure draws the background part of a menu. * * Results: * None. * * Side effects: * Commands are output to X to display the menu in its * current mode. * *---------------------------------------------------------------------- */ void DrawTearoffEntry(menuPtr, mePtr, d, gc, tkfont, fmPtr, x, y, width, height) TkMenu *menuPtr; /* The menu we are drawing */ TkMenuEntry *mePtr; /* The entry we are drawing */ Drawable d; /* The drawable we are drawing into */ GC gc; /* The gc we are drawing with */ Tk_Font tkfont; /* The font we are drawing with */ CONST Tk_FontMetrics *fmPtr; /* The metrics we are drawing with */ int x; int y; int width; int height; { XPoint points[2]; int segmentWidth, maxX; if (menuPtr->menuType != MASTER_MENU) { return; } points[0].x = x; points[0].y = y + height/2; points[1].y = points[0].y; segmentWidth = 6; maxX = width - 1; while (points[0].x < maxX) { points[1].x = points[0].x + segmentWidth; if (points[1].x > maxX) { points[1].x = maxX; } Tk_Draw3DPolygon(menuPtr->tkwin, d, menuPtr->border, points, 2, 1, TK_RELIEF_RAISED); points[0].x += 2*segmentWidth; } } /* *---------------------------------------------------------------------- * * TkpConfigureMenuEntry -- * * Processes configurations for menu entries. * * Results: * Returns standard TCL result. If TCL_ERROR is returned, then * interp->result contains an error message. * * Side effects: * Configuration information get set for mePtr; old resources * get freed, if any need it. * *---------------------------------------------------------------------- */ int TkpConfigureMenuEntry(mePtr) register TkMenuEntry *mePtr; /* Information about menu entry; may * or may not already have values for * some fields. */ { TkMenu *menuPtr = mePtr->menuPtr; if (!(menuPtr->menuFlags & MENU_RECONFIGURE_PENDING)) { menuPtr->menuFlags |= MENU_RECONFIGURE_PENDING; Tcl_DoWhenIdle(ReconfigureWindowsMenu, (ClientData) menuPtr); } return TCL_OK; } /* *---------------------------------------------------------------------- * * TkpDrawMenuEntry -- * * Draws the given menu entry at the given coordinates with the * given attributes. * * Results: * None. * * Side effects: * X Server commands are executed to display the menu entry. * *---------------------------------------------------------------------- */ void TkpDrawMenuEntry(mePtr, d, tkfont, menuMetricsPtr, x, y, width, height, strictMotif, drawArrow) TkMenuEntry *mePtr; /* The entry to draw */ Drawable d; /* What to draw into */ Tk_Font tkfont; /* Precalculated font for menu */ CONST Tk_FontMetrics *menuMetricsPtr; /* Precalculated metrics for menu */ int x; /* X-coordinate of topleft of entry */ int y; /* Y-coordinate of topleft of entry */ int width; /* Width of the entry rectangle */ int height; /* Height of the current rectangle */ int strictMotif; /* Boolean flag */ int drawArrow; /* Whether or not to draw the cascade * arrow for cascade items. Only applies * to Windows. */ { GC gc, indicatorGC; TkMenu *menuPtr = mePtr->menuPtr; Tk_3DBorder bgBorder, activeBorder; CONST Tk_FontMetrics *fmPtr; Tk_FontMetrics entryMetrics; int padY = (menuPtr->menuType == MENUBAR) ? 3 : 0; int adjustedY = y + padY; int adjustedHeight = height - 2 * padY; /* * Choose the gc for drawing the foreground part of the entry. */ if ((mePtr->state == tkActiveUid) && !strictMotif) { gc = mePtr->activeGC; if (gc == NULL) { gc = menuPtr->activeGC; } } else { TkMenuEntry *cascadeEntryPtr; int parentDisabled = 0; for (cascadeEntryPtr = menuPtr->menuRefPtr->parentEntryPtr; cascadeEntryPtr != NULL; cascadeEntryPtr = cascadeEntryPtr->nextCascadePtr) { if (strcmp(cascadeEntryPtr->name, Tk_PathName(menuPtr->tkwin)) == 0) { if (cascadeEntryPtr->state == tkDisabledUid) { parentDisabled = 1; } break; } } if (((parentDisabled || (mePtr->state == tkDisabledUid))) && (menuPtr->disabledFg != NULL)) { gc = mePtr->disabledGC; if (gc == NULL) { gc = menuPtr->disabledGC; } } else { gc = mePtr->textGC; if (gc == NULL) { gc = menuPtr->textGC; } } } indicatorGC = mePtr->indicatorGC; if (indicatorGC == NULL) { indicatorGC = menuPtr->indicatorGC; } bgBorder = mePtr->border; if (bgBorder == NULL) { bgBorder = menuPtr->border; } if (strictMotif) { activeBorder = bgBorder; } else { activeBorder = mePtr->activeBorder; if (activeBorder == NULL) { activeBorder = menuPtr->activeBorder; } } if (mePtr->tkfont == NULL) { fmPtr = menuMetricsPtr; } else { tkfont = mePtr->tkfont; Tk_GetFontMetrics(tkfont, &entryMetrics); fmPtr = &entryMetrics; } /* * Need to draw the entire background, including padding. On Unix, * for menubars, we have to draw the rest of the entry taking * into account the padding. */ DrawMenuEntryBackground(menuPtr, mePtr, d, activeBorder, bgBorder, x, y, width, height); if (mePtr->type == SEPARATOR_ENTRY) { DrawMenuSeparator(menuPtr, mePtr, d, gc, tkfont, fmPtr, x, adjustedY, width, adjustedHeight); } else if (mePtr->type == TEAROFF_ENTRY) { DrawTearoffEntry(menuPtr, mePtr, d, gc, tkfont, fmPtr, x, adjustedY, width, adjustedHeight); } else { DrawMenuEntryLabel(menuPtr, mePtr, d, gc, tkfont, fmPtr, x, adjustedY, width, adjustedHeight); DrawMenuEntryAccelerator(menuPtr, mePtr, d, gc, tkfont, fmPtr, activeBorder, x, adjustedY, width, adjustedHeight, drawArrow); if (!mePtr->hideMargin) { DrawMenuEntryIndicator(menuPtr, mePtr, d, gc, indicatorGC, tkfont, fmPtr, x, adjustedY, width, adjustedHeight); } } } /* *---------------------------------------------------------------------- * * GetMenuLabelGeometry -- * * Figures out the size of the label portion of a menu item. * * Results: * widthPtr and heightPtr are filled in with the correct geometry * information. * * Side effects: * None. * *---------------------------------------------------------------------- */ static void GetMenuLabelGeometry(mePtr, tkfont, fmPtr, widthPtr, heightPtr) TkMenuEntry *mePtr; /* The entry we are computing */ Tk_Font tkfont; /* The precalculated font */ CONST Tk_FontMetrics *fmPtr; /* The precalculated metrics */ int *widthPtr; /* The resulting width of the label * portion */ int *heightPtr; /* The resulting height of the label * portion */ { TkMenu *menuPtr = mePtr->menuPtr; if (mePtr->image != NULL) { Tk_SizeOfImage(mePtr->image, widthPtr, heightPtr); } else if (mePtr->bitmap != (Pixmap) NULL) { Tk_SizeOfBitmap(menuPtr->display, mePtr->bitmap, widthPtr, heightPtr); } else { *heightPtr = fmPtr->linespace; if (mePtr->label != NULL) { *widthPtr = Tk_TextWidth(tkfont, mePtr->label, mePtr->labelLength); } else { *widthPtr = 0; } } *heightPtr += 1; } /* *---------------------------------------------------------------------- * * DrawMenuEntryBackground -- * * This procedure draws the background part of a menu. * * Results: * None. * * Side effects: * Commands are output to X to display the menu in its * current mode. * *---------------------------------------------------------------------- */ static void DrawMenuEntryBackground( TkMenu *menuPtr, /* The menu we are drawing. */ TkMenuEntry *mePtr, /* The entry we are drawing. */ Drawable d, /* What we are drawing into */ Tk_3DBorder activeBorder, /* Border for active items */ Tk_3DBorder bgBorder, /* Border for the background */ int x, /* left edge */ int y, /* top edge */ int width, /* width of rectangle to draw */ int height) /* height of rectangle to draw */ { if (mePtr->state == tkActiveUid) { bgBorder = activeBorder; } Tk_Fill3DRectangle(menuPtr->tkwin, d, bgBorder, x, y, width, height, 0, TK_RELIEF_FLAT); } /* *-------------------------------------------------------------- * * TkpComputeStandardMenuGeometry -- * * This procedure is invoked to recompute the size and * layout of a menu that is not a menubar clone. * * Results: * None. * * Side effects: * Fields of menu entries are changed to reflect their * current positions, and the size of the menu window * itself may be changed. * *-------------------------------------------------------------- */ void TkpComputeStandardMenuGeometry( TkMenu *menuPtr) /* Structure describing menu. */ { Tk_Font tkfont; Tk_FontMetrics menuMetrics, entryMetrics, *fmPtr; int x, y, height, width, indicatorSpace, labelWidth, accelWidth; int windowWidth, windowHeight, accelSpace; int i, j, lastColumnBreak = 0; if (menuPtr->tkwin == NULL) { return; } x = y = menuPtr->borderWidth; indicatorSpace = labelWidth = accelWidth = 0; windowHeight = 0; /* * On the Mac especially, getting font metrics can be quite slow, * so we want to do it intelligently. We are going to precalculate * them and pass them down to all of the measuring and drawing * routines. We will measure the font metrics of the menu once. * If an entry does not have its own font set, then we give * the geometry/drawing routines the menu's font and metrics. * If an entry has its own font, we will measure that font and * give all of the geometry/drawing the entry's font and metrics. */ Tk_GetFontMetrics(menuPtr->tkfont, &menuMetrics); accelSpace = Tk_TextWidth(menuPtr->tkfont, "M", 1); for (i = 0; i < menuPtr->numEntries; i++) { tkfont = menuPtr->entries[i]->tkfont; if (tkfont == NULL) { tkfont = menuPtr->tkfont; fmPtr = &menuMetrics; } else { Tk_GetFontMetrics(tkfont, &entryMetrics); fmPtr = &entryMetrics; } if ((i > 0) && menuPtr->entries[i]->columnBreak) { if (accelWidth != 0) { labelWidth += accelSpace; } for (j = lastColumnBreak; j < i; j++) { menuPtr->entries[j]->indicatorSpace = indicatorSpace; menuPtr->entries[j]->labelWidth = labelWidth; menuPtr->entries[j]->width = indicatorSpace + labelWidth + accelWidth + 2 * menuPtr->activeBorderWidth; menuPtr->entries[j]->x = x; menuPtr->entries[j]->entryFlags &= ~ENTRY_LAST_COLUMN; } x += indicatorSpace + labelWidth + accelWidth + 2 * menuPtr->borderWidth; indicatorSpace = labelWidth = accelWidth = 0; lastColumnBreak = i; y = menuPtr->borderWidth; } if (menuPtr->entries[i]->type == SEPARATOR_ENTRY) { GetMenuSeparatorGeometry(menuPtr, menuPtr->entries[i], tkfont, fmPtr, &width, &height); menuPtr->entries[i]->height = height; } else if (menuPtr->entries[i]->type == TEAROFF_ENTRY) { GetTearoffEntryGeometry(menuPtr, menuPtr->entries[i], tkfont, fmPtr, &width, &height); menuPtr->entries[i]->height = height; } else { /* * For each entry, compute the height required by that * particular entry, plus three widths: the width of the * label, the width to allow for an indicator to be displayed * to the left of the label (if any), and the width of the * accelerator to be displayed to the right of the label * (if any). These sizes depend, of course, on the type * of the entry. */ GetMenuLabelGeometry(menuPtr->entries[i], tkfont, fmPtr, &width, &height); menuPtr->entries[i]->height = height; if (width > labelWidth) { labelWidth = width; } GetMenuAccelGeometry(menuPtr, menuPtr->entries[i], tkfont, fmPtr, &width, &height); if (height > menuPtr->entries[i]->height) { menuPtr->entries[i]->height = height; } if (width > accelWidth) { accelWidth = width; } GetMenuIndicatorGeometry(menuPtr, menuPtr->entries[i], tkfont, fmPtr, &width, &height); if (height > menuPtr->entries[i]->height) { menuPtr->entries[i]->height = height; } if (width > indicatorSpace) { indicatorSpace = width; } menuPtr->entries[i]->height += 2 * menuPtr->activeBorderWidth + 1; } menuPtr->entries[i]->y = y; y += menuPtr->entries[i]->height; if (y > windowHeight) { windowHeight = y; } } if (accelWidth != 0) { labelWidth += accelSpace; } for (j = lastColumnBreak; j < menuPtr->numEntries; j++) { menuPtr->entries[j]->indicatorSpace = indicatorSpace; menuPtr->entries[j]->labelWidth = labelWidth; menuPtr->entries[j]->width = indicatorSpace + labelWidth + accelWidth + 2 * menuPtr->activeBorderWidth; menuPtr->entries[j]->x = x; menuPtr->entries[j]->entryFlags |= ENTRY_LAST_COLUMN; } windowWidth = x + indicatorSpace + labelWidth + accelWidth + accelSpace + 2 * menuPtr->activeBorderWidth + 2 * menuPtr->borderWidth; windowHeight += menuPtr->borderWidth; /* * The X server doesn't like zero dimensions, so round up to at least * 1 (a zero-sized menu should never really occur, anyway). */ if (windowWidth <= 0) { windowWidth = 1; } if (windowHeight <= 0) { windowHeight = 1; } menuPtr->totalWidth = windowWidth; menuPtr->totalHeight = windowHeight; } /* *---------------------------------------------------------------------- * * MenuSelectEvent -- * * Generates a "MenuSelect" virtual event. This can be used to * do context-sensitive menu help. * * Results: * None. * * Side effects: * Places a virtual event on the event queue. * *---------------------------------------------------------------------- */ static void MenuSelectEvent( TkMenu *menuPtr) /* the menu we have selected. */ { XVirtualEvent event; POINTS rootPoint; DWORD msgPos; event.type = VirtualEvent; event.serial = menuPtr->display->request; event.send_event = 0; event.display = menuPtr->display; Tk_MakeWindowExist(menuPtr->tkwin); event.event = Tk_WindowId(menuPtr->tkwin); event.root = XRootWindow(menuPtr->display, 0); event.subwindow = None; event.time = TkpGetMS(); msgPos = GetMessagePos(); rootPoint = MAKEPOINTS(msgPos); event.x_root = rootPoint.x; event.y_root = rootPoint.y; event.state = TkWinGetModifierState(); event.same_screen = 1; event.name = Tk_GetUid("MenuSelect"); Tk_QueueWindowEvent((XEvent *) &event, TCL_QUEUE_TAIL); } /* *---------------------------------------------------------------------- * * TkpMenuNotifyToplevelCreate -- * * This routine reconfigures the menu and the clones indicated by * menuName becuase a toplevel has been created and any system * menus need to be created. * * Results: * None. * * Side effects: * An idle handler is set up to do the reconfiguration. * *---------------------------------------------------------------------- */ void TkpMenuNotifyToplevelCreate( Tcl_Interp *interp, /* The interp the menu lives in. */ char *menuName) /* The name of the menu to * reconfigure. */ { TkMenuReferences *menuRefPtr; TkMenu *menuPtr; if ((menuName != NULL) && (menuName[0] != '\0')) { menuRefPtr = TkFindMenuReferences(interp, menuName); if ((menuRefPtr != NULL) && (menuRefPtr->menuPtr != NULL)) { for (menuPtr = menuRefPtr->menuPtr->masterMenuPtr; menuPtr != NULL; menuPtr = menuPtr->nextInstancePtr) { if ((menuPtr->menuType == MENUBAR) && !(menuPtr->menuFlags & MENU_RECONFIGURE_PENDING)) { menuPtr->menuFlags |= MENU_RECONFIGURE_PENDING; Tcl_DoWhenIdle(ReconfigureWindowsMenu, (ClientData) menuPtr); } } } } } /* *---------------------------------------------------------------------- * * MenuExitHandler -- * * Throws away the utility window needed for menus and unregisters * the class. * * Results: * None. * * Side effects: * Menus have to be reinitialized next time. * *---------------------------------------------------------------------- */ static void MenuExitHandler( ClientData clientData) /* Not used */ { DestroyWindow(menuHWND); UnregisterClass(MENU_CLASS_NAME, Tk_GetHINSTANCE()); } /* *---------------------------------------------------------------------- * * TkpMenuInit -- * * Sets up the hash tables and the variables used by the menu package. * * Results: * None. * * Side effects: * lastMenuID gets initialized, and the parent hash and the command hash * are allocated. * *---------------------------------------------------------------------- */ void TkpMenuInit() { WNDCLASS wndClass; char sizeString[4]; char faceName[LF_FACESIZE]; HDC scratchDC; Tcl_DString boldItalicDString; int bold = 0; int italic = 0; int i; TEXTMETRIC tm; Tcl_InitHashTable(&winMenuTable, TCL_ONE_WORD_KEYS); Tcl_InitHashTable(&commandTable, TCL_ONE_WORD_KEYS); wndClass.style = CS_OWNDC; wndClass.lpfnWndProc = TkWinMenuProc; wndClass.cbClsExtra = 0; wndClass.cbWndExtra = 0; wndClass.hInstance = Tk_GetHINSTANCE(); wndClass.hIcon = NULL; wndClass.hCursor = NULL; wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1); wndClass.lpszMenuName = NULL; wndClass.lpszClassName = MENU_CLASS_NAME; RegisterClass(&wndClass); menuHWND = CreateWindow(MENU_CLASS_NAME, "MenuWindow", WS_POPUP, 0, 0, 10, 10, NULL, NULL, Tk_GetHINSTANCE(), NULL); Tcl_CreateExitHandler(MenuExitHandler, (ClientData) NULL); versionInfo.dwOSVersionInfoSize = sizeof(versionInfo); /* * If GetVersionEx fails, it means that the version info record * is too big for what is compiled. Should never happen, but if * it does, we are later than Windows 95 or NT 4.0. */ if (!GetVersionEx(&versionInfo)) { versionInfo.dwMajorVersion = 4; } /* * Set all of the default options. The loop will terminate when we run * out of options via a break statement. */ for (i = 0; ; i++) { if (tkMenuConfigSpecs[i].type == TK_CONFIG_END) { break; } if ((strcmp(tkMenuConfigSpecs[i].dbName, "activeBorderWidth") == 0) || (strcmp(tkMenuConfigSpecs[i].dbName, "borderWidth") == 0)) { int borderWidth; borderWidth = GetSystemMetrics(SM_CXBORDER); if (GetSystemMetrics(SM_CYBORDER) > borderWidth) { borderWidth = GetSystemMetrics(SM_CYBORDER); } sprintf(borderString, "%d", borderWidth); tkMenuConfigSpecs[i].defValue = borderString; } else if ((strcmp(tkMenuConfigSpecs[i].dbName, "font") == 0)) { int pointSize; HFONT menuFont; scratchDC = CreateDC("DISPLAY", NULL, NULL, NULL); Tcl_DStringInit(&menuFontDString); if (versionInfo.dwMajorVersion >= 4) { NONCLIENTMETRICS ncMetrics; ncMetrics.cbSize = sizeof(ncMetrics); SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(ncMetrics), &ncMetrics, 0); menuFont = CreateFontIndirect(&ncMetrics.lfMenuFont); } else { menuFont = GetStockObject(SYSTEM_FONT); } SelectObject(scratchDC, menuFont); GetTextMetrics(scratchDC, &tm); GetTextFace(scratchDC, sizeof(menuFontDString), faceName); pointSize = MulDiv(tm.tmHeight - tm.tmInternalLeading, 72, GetDeviceCaps(scratchDC, LOGPIXELSY)); if (tm.tmWeight >= 700) { bold = 1; } if (tm.tmItalic) { italic = 1; } SelectObject(scratchDC, GetStockObject(SYSTEM_FONT)); DeleteDC(scratchDC); DeleteObject(menuFont); Tcl_DStringAppendElement(&menuFontDString, faceName); sprintf(sizeString, "%d", pointSize); Tcl_DStringAppendElement(&menuFontDString, sizeString); if (bold == 1 || italic == 1) { Tcl_DStringInit(&boldItalicDString); if (bold == 1) { Tcl_DStringAppendElement(&boldItalicDString, "bold"); } if (italic == 1) { Tcl_DStringAppendElement(&boldItalicDString, "italic"); } Tcl_DStringAppendElement(&menuFontDString, Tcl_DStringValue(&boldItalicDString)); } tkMenuConfigSpecs[i].defValue = Tcl_DStringValue(&menuFontDString); } } /* * Now we go ahead and get the dimensions of the check mark and the * appropriate margins. Since this is fairly hairy, we do it here * to save time when traversing large sets of menu items. * * The code below was given to me by Microsoft over the phone. It * is the only way to insure menu items lining up, and is not * documented. */ if (versionInfo.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) { indicatorDimensions[0] = GetSystemMetrics(SM_CYMENUCHECK); indicatorDimensions[1] = ((GetSystemMetrics(SM_CXFIXEDFRAME) + GetSystemMetrics(SM_CXBORDER) + GetSystemMetrics(SM_CXMENUCHECK) + 7) & 0xFFF8) - GetSystemMetrics(SM_CXFIXEDFRAME); } else { DWORD dimensions = GetMenuCheckMarkDimensions(); indicatorDimensions[0] = HIWORD(dimensions); indicatorDimensions[1] = LOWORD(dimensions); } }