diff options
Diffstat (limited to 'src/glut/os2/os2_menu.cpp')
| -rw-r--r-- | src/glut/os2/os2_menu.cpp | 1064 |
1 files changed, 532 insertions, 532 deletions
diff --git a/src/glut/os2/os2_menu.cpp b/src/glut/os2/os2_menu.cpp index 4eef308e5a..56f2cdef8b 100644 --- a/src/glut/os2/os2_menu.cpp +++ b/src/glut/os2/os2_menu.cpp @@ -1,533 +1,533 @@ -
-/* Copyright (c) Mark J. Kilgard, 1994, 1997, 1998. */
-/* Copyright (c) Nate Robins, 1997. */
-
-/* This program is freely distributable without licensing fees
- and is provided without guarantee or warrantee expressed or
- implied. This program is -not- in the public domain. */
-
-/* This file completely re-implements glut_menu.c and glut_menu2.c
- for Win32. Note that neither glut_menu.c nor glut_menu2.c are
- compiled into Win32 GLUT. */
-
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <errno.h>
-#include <assert.h>
-
-#include "glutint.h"
-
-void (GLUTCALLBACK *__glutMenuStatusFunc) (int, int, int);
-//GLUTmenu *__glutMappedMenu;
-//GLUTwindow *__glutMenuWindow;
-GLUTmenuItem *__glutItemSelected;
-unsigned __glutMenuButton;
-
-static GLUTmenu **menuList = NULL;
-static int menuListSize = 0;
-static UINT uniqueMenuHandler = 1;
-
-/* DEPRICATED, use glutMenuStatusFunc instead. */
-void GLUTAPIENTRY
-glutMenuStateFunc(GLUTmenuStateCB menuStateFunc)
-{
- __glutMenuStatusFunc = (GLUTmenuStatusCB) menuStateFunc;
-}
-
-void GLUTAPIENTRY
-glutMenuStatusFunc(GLUTmenuStatusCB menuStatusFunc)
-{
- __glutMenuStatusFunc = menuStatusFunc;
-}
-
-void
-__glutSetMenu(GLUTmenu * menu)
-{
- __glutCurrentMenu = menu;
-}
-
-static void
-unmapMenu(GLUTmenu * menu)
-{
- if (menu->cascade) {
- unmapMenu(menu->cascade);
- menu->cascade = NULL;
- }
- menu->anchor = NULL;
- menu->highlighted = NULL;
-}
-
-void
-__glutFinishMenu(Window win, int x, int y)
-{
-
- unmapMenu(__glutMappedMenu);
-
- /* XXX Put in a GdiFlush just in case. Probably unnecessary. -mjk */
-// GdiFlush();
-
- if (__glutMenuStatusFunc) {
- __glutSetWindow(__glutMenuWindow);
- __glutSetMenu(__glutMappedMenu);
-
- /* Setting __glutMappedMenu to NULL permits operations that
- change menus or destroy the menu window again. */
- __glutMappedMenu = NULL;
-
- __glutMenuStatusFunc(GLUT_MENU_NOT_IN_USE, x, y);
- }
- /* Setting __glutMappedMenu to NULL permits operations that
- change menus or destroy the menu window again. */
- __glutMappedMenu = NULL;
-
- /* If an item is selected and it is not a submenu trigger,
- generate menu callback. */
- if (__glutItemSelected && !__glutItemSelected->isTrigger) {
- __glutSetWindow(__glutMenuWindow);
- /* When menu callback is triggered, current menu should be
- set to the callback menu. */
- __glutSetMenu(__glutItemSelected->menu);
- __glutItemSelected->menu->select(__glutItemSelected->value);
- }
- __glutMenuWindow = NULL;
-}
-
-static void
-mapMenu(GLUTmenu * menu, int x, int y)
-{
-//todo
-// TrackPopupMenu((HMENU) menu->win, TPM_LEFTALIGN |
-// (__glutMenuButton == TPM_RIGHTBUTTON) ? TPM_RIGHTBUTTON : TPM_LEFTBUTTON,
-// x, y, 0, __glutCurrentWindow->win, NULL);
-}
-
-void
-__glutStartMenu(GLUTmenu * menu, GLUTwindow * window,
- int x, int y, int x_win, int y_win)
-{
- assert(__glutMappedMenu == NULL);
- __glutMappedMenu = menu;
- __glutMenuWindow = window;
- __glutItemSelected = NULL;
- if (__glutMenuStatusFunc) {
- __glutSetMenu(menu);
- __glutSetWindow(window);
- __glutMenuStatusFunc(GLUT_MENU_IN_USE, x_win, y_win);
- }
- mapMenu(menu, x, y);
-}
-
-GLUTmenuItem *
-__glutGetUniqueMenuItem(GLUTmenu * menu, UINT unique)
-{
- GLUTmenuItem *item;
- int i;
-
- i = menu->num;
- item = menu->list;
- while (item) {
- if (item->unique == unique) {
- return item;
- }
- if (item->isTrigger) {
- GLUTmenuItem *subitem;
- subitem = __glutGetUniqueMenuItem(menuList[item->value], unique);
- if (subitem) {
- return subitem;
- }
- }
- i--;
- item = item->next;
- }
- return NULL;
-}
-
-GLUTmenuItem *
-__glutGetMenuItem(GLUTmenu * menu, Window win, int *which)
-{
- GLUTmenuItem *item;
- int i;
-
- i = menu->num;
- item = menu->list;
- while (item) {
- if (item->win == win) {
- *which = i;
- return item;
- }
- if (item->isTrigger) {
- GLUTmenuItem *subitem;
-
- subitem = __glutGetMenuItem(menuList[item->value],
- win, which);
- if (subitem) {
- return subitem;
- }
- }
- i--;
- item = item->next;
- }
- return NULL;
-}
-
-GLUTmenu *
-__glutGetMenu(Window win)
-{
- GLUTmenu *menu;
-
- menu = __glutMappedMenu;
- while (menu) {
- if (win == menu->win) {
- return menu;
- }
- menu = menu->cascade;
- }
- return NULL;
-}
-
-GLUTmenu *
-__glutGetMenuByNum(int menunum)
-{
- if (menunum < 1 || menunum > menuListSize) {
- return NULL;
- }
- return menuList[menunum - 1];
-}
-
-static int
-getUnusedMenuSlot(void)
-{
- int i;
-
- /* Look for allocated, unused slot. */
- for (i = 0; i < menuListSize; i++) {
- if (!menuList[i]) {
- return i;
- }
- }
- /* Allocate a new slot. */
- menuListSize++;
- if (menuList) {
- menuList = (GLUTmenu **)
- realloc(menuList, menuListSize * sizeof(GLUTmenu *));
- } else {
- /* XXX Some realloc's do not correctly perform a malloc
- when asked to perform a realloc on a NULL pointer,
- though the ANSI C library spec requires this. */
- menuList = (GLUTmenu **) malloc(sizeof(GLUTmenu *));
- }
- if (!menuList) {
- __glutFatalError("out of memory.");
- }
- menuList[menuListSize - 1] = NULL;
- return menuListSize - 1;
-}
-
-static void
-menuModificationError(void)
-{
- /* XXX Remove the warning after GLUT 3.0. */
- __glutWarning("The following is a new check for GLUT 3.0; update your code.");
- __glutFatalError("menu manipulation not allowed while menus in use.");
-}
-
-int GLUTAPIENTRY
-glutCreateMenu(GLUTselectCB selectFunc)
-{
- GLUTmenu *menu;
- int menuid;
-
- if (__glutMappedMenu) {
- menuModificationError();
- }
- menuid = getUnusedMenuSlot();
- menu = (GLUTmenu *) malloc(sizeof(GLUTmenu));
- if (!menu) {
- __glutFatalError("out of memory.");
- }
- menu->id = menuid;
- menu->num = 0;
- menu->submenus = 0;
- menu->select = selectFunc;
- menu->list = NULL;
- menu->cascade = NULL;
- menu->highlighted = NULL;
- menu->anchor = NULL;
-//todo
-// menu->win = (HWND) CreatePopupMenu();
- menuList[menuid] = menu;
- __glutSetMenu(menu);
- return menuid + 1;
-}
-
-
-void GLUTAPIENTRY
-glutDestroyMenu(int menunum)
-{
- GLUTmenu *menu = __glutGetMenuByNum(menunum);
- GLUTmenuItem *item, *next;
-
- if (__glutMappedMenu) {
- menuModificationError();
- }
- assert(menu->id == menunum - 1);
-//todo DestroyMenu( (HMENU) menu->win);
- menuList[menunum - 1] = NULL;
- /* free all menu entries */
- item = menu->list;
- while (item) {
- assert(item->menu == menu);
- next = item->next;
- free(item->label);
- free(item);
- item = next;
- }
- if (__glutCurrentMenu == menu) {
- __glutCurrentMenu = NULL;
- }
- free(menu);
-}
-
-int GLUTAPIENTRY
-glutGetMenu(void)
-{
- if (__glutCurrentMenu) {
- return __glutCurrentMenu->id + 1;
- } else {
- return 0;
- }
-}
-
-void GLUTAPIENTRY
-glutSetMenu(int menuid)
-{
- GLUTmenu *menu;
-
- if (menuid < 1 || menuid > menuListSize) {
- __glutWarning("glutSetMenu attempted on bogus menu.");
- return;
- }
- menu = menuList[menuid - 1];
- if (!menu) {
- __glutWarning("glutSetMenu attempted on bogus menu.");
- return;
- }
- __glutSetMenu(menu);
-}
-
-static void
-setMenuItem(GLUTmenuItem * item, const char *label,
- int value, Bool isTrigger)
-{
- GLUTmenu *menu;
-
- menu = item->menu;
- item->label = __glutStrdup(label);
- if (!item->label) {
- __glutFatalError("out of memory.");
- }
- item->isTrigger = isTrigger;
- item->len = (int) strlen(label);
- item->value = value;
- item->unique = uniqueMenuHandler++;
-//todo
-// if (isTrigger) {
-// AppendMenu((HMENU) menu->win, MF_POPUP, (UINT)item->win, label);
-// } else {
-// AppendMenu((HMENU) menu->win, MF_STRING, item->unique, label);
-// }
-}
-
-void GLUTAPIENTRY
-glutAddMenuEntry(const char *label, int value)
-{
- GLUTmenuItem *entry;
-
- if (__glutMappedMenu) {
- menuModificationError();
- }
- entry = (GLUTmenuItem *) malloc(sizeof(GLUTmenuItem));
- if (!entry) {
- __glutFatalError("out of memory.");
- }
- entry->menu = __glutCurrentMenu;
- setMenuItem(entry, label, value, FALSE);
- __glutCurrentMenu->num++;
- entry->next = __glutCurrentMenu->list;
- __glutCurrentMenu->list = entry;
-}
-
-void GLUTAPIENTRY
-glutAddSubMenu(const char *label, int menu)
-{
- GLUTmenuItem *submenu;
- GLUTmenu *popupmenu;
-
- if (__glutMappedMenu) {
- menuModificationError();
- }
- submenu = (GLUTmenuItem *) malloc(sizeof(GLUTmenuItem));
- if (!submenu) {
- __glutFatalError("out of memory.");
- }
- __glutCurrentMenu->submenus++;
- submenu->menu = __glutCurrentMenu;
- popupmenu = __glutGetMenuByNum(menu);
- if (popupmenu) {
- submenu->win = popupmenu->win;
- }
- setMenuItem(submenu, label, /* base 0 */ menu - 1, TRUE);
- __glutCurrentMenu->num++;
- submenu->next = __glutCurrentMenu->list;
- __glutCurrentMenu->list = submenu;
-}
-
-void GLUTAPIENTRY
-glutChangeToMenuEntry(int num, const char *label, int value)
-{
- GLUTmenuItem *item;
- int i;
-
- if (__glutMappedMenu) {
- menuModificationError();
- }
- i = __glutCurrentMenu->num;
- item = __glutCurrentMenu->list;
- while (item) {
- if (i == num) {
- if (item->isTrigger) {
- /* If changing a submenu trigger to a menu entry, we
- need to account for submenus. */
- item->menu->submenus--;
- /* Nuke the Win32 menu. */
-//todo
-// DestroyMenu((HMENU) item->win);
- }
- free(item->label);
-
- item->label = strdup(label);
- if (!item->label)
- __glutFatalError("out of memory");
- item->isTrigger = FALSE;
- item->len = (int) strlen(label);
- item->value = value;
- item->unique = uniqueMenuHandler++;
-//todo
-// ModifyMenu((HMENU) __glutCurrentMenu->win, (UINT) i - 1,
-// MF_BYPOSITION | MFT_STRING, item->unique, label);
-
- return;
- }
- i--;
- item = item->next;
- }
- __glutWarning("Current menu has no %d item.", num);
-}
-
-void GLUTAPIENTRY
-glutChangeToSubMenu(int num, const char *label, int menu)
-{
- GLUTmenu *popupmenu;
- GLUTmenuItem *item;
- int i;
-
- if (__glutMappedMenu) {
- menuModificationError();
- }
- i = __glutCurrentMenu->num;
- item = __glutCurrentMenu->list;
- while (item) {
- if (i == num) {
- if (!item->isTrigger) {
- /* If changing a menu entry to as submenu trigger, we
- need to account for submenus. */
- item->menu->submenus++;
-//todo
-// item->win = (HWND) CreatePopupMenu();
- }
- free(item->label);
-
- item->label = strdup(label);
- if (!item->label)
- __glutFatalError("out of memory");
- item->isTrigger = TRUE;
- item->len = (int) strlen(label);
- item->value = menu - 1;
- item->unique = uniqueMenuHandler++;
- popupmenu = __glutGetMenuByNum(menu);
- if (popupmenu)
- item->win = popupmenu->win;
-//todo
-// ModifyMenu((HMENU) __glutCurrentMenu->win, (UINT) i - 1,
-// MF_BYPOSITION | MF_POPUP, (UINT) item->win, label);
- return;
- }
- i--;
- item = item->next;
- }
- __glutWarning("Current menu has no %d item.", num);
-}
-
-void GLUTAPIENTRY
-glutRemoveMenuItem(int num)
-{
- GLUTmenuItem *item, **prev;
- int i;
-
- if (__glutMappedMenu) {
- menuModificationError();
- }
- i = __glutCurrentMenu->num;
- prev = &__glutCurrentMenu->list;
- item = __glutCurrentMenu->list;
- while (item) {
- if (i == num) {
- /* Found the menu item in list to remove. */
- __glutCurrentMenu->num--;
-
- /* Patch up menu's item list. */
- *prev = item->next;
-//todo
-// RemoveMenu((HMENU) __glutCurrentMenu->win, (UINT) i - 1, MF_BYPOSITION);
-
- free(item->label);
- free(item);
- return;
- }
- i--;
- prev = &item->next;
- item = item->next;
- }
- __glutWarning("Current menu has no %d item.", num);
-}
-
-void GLUTAPIENTRY
-glutAttachMenu(int button)
-{
- if (__glutCurrentWindow == __glutGameModeWindow) {
- __glutWarning("cannot attach menus in game mode.");
- return;
- }
- if (__glutMappedMenu) {
- menuModificationError();
- }
- if (__glutCurrentWindow->menu[button] < 1) {
- __glutCurrentWindow->buttonUses++;
- }
- __glutCurrentWindow->menu[button] = __glutCurrentMenu->id + 1;
-}
-
-void GLUTAPIENTRY
-glutDetachMenu(int button)
-{
- if (__glutMappedMenu) {
- menuModificationError();
- }
- if (__glutCurrentWindow->menu[button] > 0) {
- __glutCurrentWindow->buttonUses--;
- __glutCurrentWindow->menu[button] = 0;
- }
-}
-
+ +/* Copyright (c) Mark J. Kilgard, 1994, 1997, 1998. */ +/* Copyright (c) Nate Robins, 1997. */ + +/* This program is freely distributable without licensing fees + and is provided without guarantee or warrantee expressed or + implied. This program is -not- in the public domain. */ + +/* This file completely re-implements glut_menu.c and glut_menu2.c + for Win32. Note that neither glut_menu.c nor glut_menu2.c are + compiled into Win32 GLUT. */ + +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#include <errno.h> +#include <assert.h> + +#include "glutint.h" + +void (GLUTCALLBACK *__glutMenuStatusFunc) (int, int, int); +//GLUTmenu *__glutMappedMenu; +//GLUTwindow *__glutMenuWindow; +GLUTmenuItem *__glutItemSelected; +unsigned __glutMenuButton; + +static GLUTmenu **menuList = NULL; +static int menuListSize = 0; +static UINT uniqueMenuHandler = 1; + +/* DEPRICATED, use glutMenuStatusFunc instead. */ +void GLUTAPIENTRY +glutMenuStateFunc(GLUTmenuStateCB menuStateFunc) +{ + __glutMenuStatusFunc = (GLUTmenuStatusCB) menuStateFunc; +} + +void GLUTAPIENTRY +glutMenuStatusFunc(GLUTmenuStatusCB menuStatusFunc) +{ + __glutMenuStatusFunc = menuStatusFunc; +} + +void +__glutSetMenu(GLUTmenu * menu) +{ + __glutCurrentMenu = menu; +} + +static void +unmapMenu(GLUTmenu * menu) +{ + if (menu->cascade) { + unmapMenu(menu->cascade); + menu->cascade = NULL; + } + menu->anchor = NULL; + menu->highlighted = NULL; +} + +void +__glutFinishMenu(Window win, int x, int y) +{ + + unmapMenu(__glutMappedMenu); + + /* XXX Put in a GdiFlush just in case. Probably unnecessary. -mjk */ +// GdiFlush(); + + if (__glutMenuStatusFunc) { + __glutSetWindow(__glutMenuWindow); + __glutSetMenu(__glutMappedMenu); + + /* Setting __glutMappedMenu to NULL permits operations that + change menus or destroy the menu window again. */ + __glutMappedMenu = NULL; + + __glutMenuStatusFunc(GLUT_MENU_NOT_IN_USE, x, y); + } + /* Setting __glutMappedMenu to NULL permits operations that + change menus or destroy the menu window again. */ + __glutMappedMenu = NULL; + + /* If an item is selected and it is not a submenu trigger, + generate menu callback. */ + if (__glutItemSelected && !__glutItemSelected->isTrigger) { + __glutSetWindow(__glutMenuWindow); + /* When menu callback is triggered, current menu should be + set to the callback menu. */ + __glutSetMenu(__glutItemSelected->menu); + __glutItemSelected->menu->select(__glutItemSelected->value); + } + __glutMenuWindow = NULL; +} + +static void +mapMenu(GLUTmenu * menu, int x, int y) +{ +//todo +// TrackPopupMenu((HMENU) menu->win, TPM_LEFTALIGN | +// (__glutMenuButton == TPM_RIGHTBUTTON) ? TPM_RIGHTBUTTON : TPM_LEFTBUTTON, +// x, y, 0, __glutCurrentWindow->win, NULL); +} + +void +__glutStartMenu(GLUTmenu * menu, GLUTwindow * window, + int x, int y, int x_win, int y_win) +{ + assert(__glutMappedMenu == NULL); + __glutMappedMenu = menu; + __glutMenuWindow = window; + __glutItemSelected = NULL; + if (__glutMenuStatusFunc) { + __glutSetMenu(menu); + __glutSetWindow(window); + __glutMenuStatusFunc(GLUT_MENU_IN_USE, x_win, y_win); + } + mapMenu(menu, x, y); +} + +GLUTmenuItem * +__glutGetUniqueMenuItem(GLUTmenu * menu, UINT unique) +{ + GLUTmenuItem *item; + int i; + + i = menu->num; + item = menu->list; + while (item) { + if (item->unique == unique) { + return item; + } + if (item->isTrigger) { + GLUTmenuItem *subitem; + subitem = __glutGetUniqueMenuItem(menuList[item->value], unique); + if (subitem) { + return subitem; + } + } + i--; + item = item->next; + } + return NULL; +} + +GLUTmenuItem * +__glutGetMenuItem(GLUTmenu * menu, Window win, int *which) +{ + GLUTmenuItem *item; + int i; + + i = menu->num; + item = menu->list; + while (item) { + if (item->win == win) { + *which = i; + return item; + } + if (item->isTrigger) { + GLUTmenuItem *subitem; + + subitem = __glutGetMenuItem(menuList[item->value], + win, which); + if (subitem) { + return subitem; + } + } + i--; + item = item->next; + } + return NULL; +} + +GLUTmenu * +__glutGetMenu(Window win) +{ + GLUTmenu *menu; + + menu = __glutMappedMenu; + while (menu) { + if (win == menu->win) { + return menu; + } + menu = menu->cascade; + } + return NULL; +} + +GLUTmenu * +__glutGetMenuByNum(int menunum) +{ + if (menunum < 1 || menunum > menuListSize) { + return NULL; + } + return menuList[menunum - 1]; +} + +static int +getUnusedMenuSlot(void) +{ + int i; + + /* Look for allocated, unused slot. */ + for (i = 0; i < menuListSize; i++) { + if (!menuList[i]) { + return i; + } + } + /* Allocate a new slot. */ + menuListSize++; + if (menuList) { + menuList = (GLUTmenu **) + realloc(menuList, menuListSize * sizeof(GLUTmenu *)); + } else { + /* XXX Some realloc's do not correctly perform a malloc + when asked to perform a realloc on a NULL pointer, + though the ANSI C library spec requires this. */ + menuList = (GLUTmenu **) malloc(sizeof(GLUTmenu *)); + } + if (!menuList) { + __glutFatalError("out of memory."); + } + menuList[menuListSize - 1] = NULL; + return menuListSize - 1; +} + +static void +menuModificationError(void) +{ + /* XXX Remove the warning after GLUT 3.0. */ + __glutWarning("The following is a new check for GLUT 3.0; update your code."); + __glutFatalError("menu manipulation not allowed while menus in use."); +} + +int GLUTAPIENTRY +glutCreateMenu(GLUTselectCB selectFunc) +{ + GLUTmenu *menu; + int menuid; + + if (__glutMappedMenu) { + menuModificationError(); + } + menuid = getUnusedMenuSlot(); + menu = (GLUTmenu *) malloc(sizeof(GLUTmenu)); + if (!menu) { + __glutFatalError("out of memory."); + } + menu->id = menuid; + menu->num = 0; + menu->submenus = 0; + menu->select = selectFunc; + menu->list = NULL; + menu->cascade = NULL; + menu->highlighted = NULL; + menu->anchor = NULL; +//todo +// menu->win = (HWND) CreatePopupMenu(); + menuList[menuid] = menu; + __glutSetMenu(menu); + return menuid + 1; +} + + +void GLUTAPIENTRY +glutDestroyMenu(int menunum) +{ + GLUTmenu *menu = __glutGetMenuByNum(menunum); + GLUTmenuItem *item, *next; + + if (__glutMappedMenu) { + menuModificationError(); + } + assert(menu->id == menunum - 1); +//todo DestroyMenu( (HMENU) menu->win); + menuList[menunum - 1] = NULL; + /* free all menu entries */ + item = menu->list; + while (item) { + assert(item->menu == menu); + next = item->next; + free(item->label); + free(item); + item = next; + } + if (__glutCurrentMenu == menu) { + __glutCurrentMenu = NULL; + } + free(menu); +} + +int GLUTAPIENTRY +glutGetMenu(void) +{ + if (__glutCurrentMenu) { + return __glutCurrentMenu->id + 1; + } else { + return 0; + } +} + +void GLUTAPIENTRY +glutSetMenu(int menuid) +{ + GLUTmenu *menu; + + if (menuid < 1 || menuid > menuListSize) { + __glutWarning("glutSetMenu attempted on bogus menu."); + return; + } + menu = menuList[menuid - 1]; + if (!menu) { + __glutWarning("glutSetMenu attempted on bogus menu."); + return; + } + __glutSetMenu(menu); +} + +static void +setMenuItem(GLUTmenuItem * item, const char *label, + int value, Bool isTrigger) +{ + GLUTmenu *menu; + + menu = item->menu; + item->label = __glutStrdup(label); + if (!item->label) { + __glutFatalError("out of memory."); + } + item->isTrigger = isTrigger; + item->len = (int) strlen(label); + item->value = value; + item->unique = uniqueMenuHandler++; +//todo +// if (isTrigger) { +// AppendMenu((HMENU) menu->win, MF_POPUP, (UINT)item->win, label); +// } else { +// AppendMenu((HMENU) menu->win, MF_STRING, item->unique, label); +// } +} + +void GLUTAPIENTRY +glutAddMenuEntry(const char *label, int value) +{ + GLUTmenuItem *entry; + + if (__glutMappedMenu) { + menuModificationError(); + } + entry = (GLUTmenuItem *) malloc(sizeof(GLUTmenuItem)); + if (!entry) { + __glutFatalError("out of memory."); + } + entry->menu = __glutCurrentMenu; + setMenuItem(entry, label, value, FALSE); + __glutCurrentMenu->num++; + entry->next = __glutCurrentMenu->list; + __glutCurrentMenu->list = entry; +} + +void GLUTAPIENTRY +glutAddSubMenu(const char *label, int menu) +{ + GLUTmenuItem *submenu; + GLUTmenu *popupmenu; + + if (__glutMappedMenu) { + menuModificationError(); + } + submenu = (GLUTmenuItem *) malloc(sizeof(GLUTmenuItem)); + if (!submenu) { + __glutFatalError("out of memory."); + } + __glutCurrentMenu->submenus++; + submenu->menu = __glutCurrentMenu; + popupmenu = __glutGetMenuByNum(menu); + if (popupmenu) { + submenu->win = popupmenu->win; + } + setMenuItem(submenu, label, /* base 0 */ menu - 1, TRUE); + __glutCurrentMenu->num++; + submenu->next = __glutCurrentMenu->list; + __glutCurrentMenu->list = submenu; +} + +void GLUTAPIENTRY +glutChangeToMenuEntry(int num, const char *label, int value) +{ + GLUTmenuItem *item; + int i; + + if (__glutMappedMenu) { + menuModificationError(); + } + i = __glutCurrentMenu->num; + item = __glutCurrentMenu->list; + while (item) { + if (i == num) { + if (item->isTrigger) { + /* If changing a submenu trigger to a menu entry, we + need to account for submenus. */ + item->menu->submenus--; + /* Nuke the Win32 menu. */ +//todo +// DestroyMenu((HMENU) item->win); + } + free(item->label); + + item->label = strdup(label); + if (!item->label) + __glutFatalError("out of memory"); + item->isTrigger = FALSE; + item->len = (int) strlen(label); + item->value = value; + item->unique = uniqueMenuHandler++; +//todo +// ModifyMenu((HMENU) __glutCurrentMenu->win, (UINT) i - 1, +// MF_BYPOSITION | MFT_STRING, item->unique, label); + + return; + } + i--; + item = item->next; + } + __glutWarning("Current menu has no %d item.", num); +} + +void GLUTAPIENTRY +glutChangeToSubMenu(int num, const char *label, int menu) +{ + GLUTmenu *popupmenu; + GLUTmenuItem *item; + int i; + + if (__glutMappedMenu) { + menuModificationError(); + } + i = __glutCurrentMenu->num; + item = __glutCurrentMenu->list; + while (item) { + if (i == num) { + if (!item->isTrigger) { + /* If changing a menu entry to as submenu trigger, we + need to account for submenus. */ + item->menu->submenus++; +//todo +// item->win = (HWND) CreatePopupMenu(); + } + free(item->label); + + item->label = strdup(label); + if (!item->label) + __glutFatalError("out of memory"); + item->isTrigger = TRUE; + item->len = (int) strlen(label); + item->value = menu - 1; + item->unique = uniqueMenuHandler++; + popupmenu = __glutGetMenuByNum(menu); + if (popupmenu) + item->win = popupmenu->win; +//todo +// ModifyMenu((HMENU) __glutCurrentMenu->win, (UINT) i - 1, +// MF_BYPOSITION | MF_POPUP, (UINT) item->win, label); + return; + } + i--; + item = item->next; + } + __glutWarning("Current menu has no %d item.", num); +} + +void GLUTAPIENTRY +glutRemoveMenuItem(int num) +{ + GLUTmenuItem *item, **prev; + int i; + + if (__glutMappedMenu) { + menuModificationError(); + } + i = __glutCurrentMenu->num; + prev = &__glutCurrentMenu->list; + item = __glutCurrentMenu->list; + while (item) { + if (i == num) { + /* Found the menu item in list to remove. */ + __glutCurrentMenu->num--; + + /* Patch up menu's item list. */ + *prev = item->next; +//todo +// RemoveMenu((HMENU) __glutCurrentMenu->win, (UINT) i - 1, MF_BYPOSITION); + + free(item->label); + free(item); + return; + } + i--; + prev = &item->next; + item = item->next; + } + __glutWarning("Current menu has no %d item.", num); +} + +void GLUTAPIENTRY +glutAttachMenu(int button) +{ + if (__glutCurrentWindow == __glutGameModeWindow) { + __glutWarning("cannot attach menus in game mode."); + return; + } + if (__glutMappedMenu) { + menuModificationError(); + } + if (__glutCurrentWindow->menu[button] < 1) { + __glutCurrentWindow->buttonUses++; + } + __glutCurrentWindow->menu[button] = __glutCurrentMenu->id + 1; +} + +void GLUTAPIENTRY +glutDetachMenu(int button) +{ + if (__glutMappedMenu) { + menuModificationError(); + } + if (__glutCurrentWindow->menu[button] > 0) { + __glutCurrentWindow->buttonUses--; + __glutCurrentWindow->menu[button] = 0; + } +} +
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