diff options
Diffstat (limited to 'src/glut/os2/os2_menu.cpp')
| -rw-r--r-- | src/glut/os2/os2_menu.cpp | 533 |
1 files changed, 533 insertions, 0 deletions
diff --git a/src/glut/os2/os2_menu.cpp b/src/glut/os2/os2_menu.cpp new file mode 100644 index 0000000000..4eef308e5a --- /dev/null +++ b/src/glut/os2/os2_menu.cpp @@ -0,0 +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;
+ }
+}
+
+
\ No newline at end of file |