diff -r 000000000000 -r 1f419bd32da1 ui/motif/menu.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ui/motif/menu.c Sat Dec 07 12:14:59 2013 +0100 @@ -0,0 +1,306 @@ +/* + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. + * + * Copyright 2014 Olaf Wintermann. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include + +#include "menu.h" +#include "button.h" +#include "toolkit.h" +#include "../common/context.h" +#include "../ui/window.h" + +UcxList *menus; +UcxList *current; + +void ui_menu(char *label) { + // free current menu hierarchy + ucx_list_free(current); + + // create menu + UiMenu *menu = malloc(sizeof(UiMenu)); + menu->item.add_to = (ui_menu_add_f)add_menu_widget; + + menu->label = label; + menu->items = NULL; + menu->parent = NULL; + + current = ucx_list_prepend(NULL, menu); + menus = ucx_list_append(menus, menu); + +} + +void ui_submenu(char *label) { + UiMenu *menu = malloc(sizeof(UiMenu)); + menu->item.add_to = (ui_menu_add_f)add_menu_widget; + + menu->label = label; + menu->items = NULL; + menu->parent = NULL; + + // add submenu to current menu + UiMenu *cm = current->data; + cm->items = ucx_list_append(cm->items, menu); + + // set the submenu to current menu + current = ucx_list_prepend(current, menu); +} + +void ui_submenu_end() { + if(ucx_list_size(current) < 2) { + return; + } + current = ucx_list_remove(current, current); +} + +void ui_menuitem(char *label, ui_callback f, void *userdata) { + if(!current) { + return; + } + + UiMenuItem *item = malloc(sizeof(UiMenuItem)); + item->item.add_to = (ui_menu_add_f)add_menuitem_widget; + + item->label = label; + item->userdata = userdata; + item->callback = f; + + UiMenu *cm = current->data; + cm->items = ucx_list_append(cm->items, item); +} + +void ui_menuseparator() { + if(!current) { + return; + } + + UiMenuItemI *item = malloc(sizeof(UiMenuItemI)); + item->add_to = (ui_menu_add_f)add_menuseparator_widget; + + UiMenu *cm = current->data; + cm->items = ucx_list_append(cm->items, item); +} + + +void ui_checkitem(char *label, ui_callback f, void *userdata) { + if(!current) { + return; + } + + UiCheckItem *item = malloc(sizeof(UiCheckItem)); + item->item.add_to = (ui_menu_add_f)add_checkitem_widget; + item->label = label; + item->callback = f; + item->userdata = userdata; + + UiMenu *cm = current->data; + cm->items = ucx_list_append(cm->items, item); +} + +void ui_checkitem_nv(char *label, char *vname) { + if(!current) { + return; + } + + UiCheckItemNV *item = malloc(sizeof(UiCheckItemNV)); + item->item.add_to = (ui_menu_add_f)add_checkitemnv_widget; + item->varname = vname; + item->label = label; + + UiMenu *cm = current->data; + cm->items = ucx_list_append(cm->items, item); +} + + +// private menu functions +void ui_create_menubar(UiObject *obj) { + if(!menus) { + return; + } + + Widget menubar = XmCreateMenuBar(obj->widget, "main_list", NULL, 0); + XtManageChild(menubar); + + UcxList *ls = menus; + int menu_index = 0; + while(ls) { + UiMenu *menu = ls->data; + menu_index += menu->item.add_to(menubar, menu_index, &menu->item, obj); + + ls = ls->next; + } +} + +int add_menu_widget(Widget parent, int i, UiMenuItemI *item, UiObject *obj) { + UiMenu *menu = (UiMenu*)item; + + Widget menuItem = XtVaCreateManagedWidget( + menu->label, + xmCascadeButtonWidgetClass, + parent, + NULL); + Widget m = XmVaCreateSimplePulldownMenu(parent, menu->label, i, NULL, NULL); + + UcxList *ls = menu->items; + int menu_index = 0; + while(ls) { + UiMenuItemI *mi = ls->data; + menu_index += mi->add_to(m, menu_index, mi, obj); + ls = ls->next; + } + + return 1; +} + +int add_menuitem_widget( + Widget parent, + int i, + UiMenuItemI *item, + UiObject *obj) +{ + UiMenuItem *mi = (UiMenuItem*)item; + + Arg args[1]; + XmString label = XmStringCreateLocalized(mi->label); + XtSetArg(args[0], XmNlabelString, label); + + Widget mitem = XtCreateManagedWidget( + "menubutton", + xmPushButtonWidgetClass, + parent, + args, + 1); + XmStringFree(label); + + if(mi->callback != NULL) { + UiEventData *event = ucx_mempool_malloc( + obj->ctx->mempool, + sizeof(UiEventData)); + event->obj = obj; + event->user_data = mi->userdata; + event->callback = mi->callback; + XtAddCallback(mitem, XmNactivateCallback, ui_menu_event_wrapper, event); + } + + return 1; +} + +int add_menuseparator_widget( + Widget parent, + int i, + UiMenuItemI *item, + UiObject *obj) +{ + Widget s = XmCreateSeparatorGadget (parent, "menu_separator", NULL, 0); + XtManageChild(s); + return 1; +} + +int add_checkitem_widget( + Widget parent, + int i, + UiMenuItemI *item, + UiObject *obj) +{ + UiCheckItem *ci = (UiCheckItem*)item; + + Arg args[3]; + XmString label = XmStringCreateLocalized(ci->label); + XtSetArg(args[0], XmNlabelString, label); + XtSetArg(args[1], XmNvisibleWhenOff, 1); + Widget checkbox = XtCreateManagedWidget( + "menutogglebutton", + xmToggleButtonWidgetClass, + parent, + args, + 2); + XmStringFree(label); + + if(ci->callback) { + UiEventData *event = ucx_mempool_malloc( + obj->ctx->mempool, + sizeof(UiEventData)); + event->obj = obj; + event->user_data = ci->userdata; + event->callback = ci->callback; + XtAddCallback( + checkbox, + XmNvalueChangedCallback, + (XtCallbackProc)ui_toggle_button_callback, + event); + } + + return 1; +} + +int add_checkitemnv_widget( + Widget parent, + int i, + UiMenuItemI *item, + UiObject *obj) +{ + UiCheckItemNV *ci = (UiCheckItemNV*)item; + + Arg args[3]; + XmString label = XmStringCreateLocalized(ci->label); + XtSetArg(args[0], XmNlabelString, label); + XtSetArg(args[1], XmNvisibleWhenOff, 1); + Widget checkbox = XtCreateManagedWidget( + "menutogglebutton", + xmToggleButtonWidgetClass, + parent, + args, + 2); + XmStringFree(label); + + UiVar *var = uic_getvar(obj, ci->varname); + if(!var) { + ui_window_addint(obj, ci->varname); + var = uic_getvar(obj, ci->varname); + } + if(var->type == 1) { + UiInteger *value = var->value; + value->obj = checkbox; + value->get = ui_toggle_button_get; + value->set = ui_toggle_button_set; + value = 0; + } else { + // TODO: error message + } +} + + +void ui_menu_event_wrapper(Widget widget, XtPointer udata, XtPointer cdata) { + UiEventData *event = udata; + UiEvent e; + e.obj = event->obj; + e.window = event->obj->window; + // TODO: e.document + e.intval = 0; + event->callback(&e, event->user_data); +}