diff -r 458831c574f4 -r 0ec8a5f17782 ui/motif/list.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ui/motif/list.c Sat May 10 18:52:22 2014 +0200 @@ -0,0 +1,163 @@ +/* + * 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 "container.h" + +#include "list.h" +#include "../common/object.h" + + +void* ui_strmodel_getvalue(void *elm, int column) { + return column == 0 ? elm : NULL; +} + + +UIWIDGET ui_listview_str(UiObject *obj, UiList *list, ui_callback f, void *udata) { + return ui_listview(obj, list, ui_strmodel_getvalue, f, udata); +} + +UIWIDGET ui_listview_var(UiObject *obj, UiListPtr *list, ui_model_getvalue_f getvalue, ui_callback f, void *udata) { + UiList *ls = list->list; + + //int count; + //XmStringTable items = ui_create_stringlist(list->list, getvalue, &count); + int count = list->list->count(list->list); + XmStringTable items = (XmStringTable)XtMalloc(count * sizeof(XmString)); + void *data = list->list->first(list->list); + for(int i=0;ilist->next(list->list); + } + + Arg args[8]; + int n = 0; + XtSetArg(args[n], XmNitemCount, count); + n++; + XtSetArg(args[n], XmNitems, NULL); + n++; + + UiContainer *ct = uic_get_current_container(obj); + Widget parent = ct->add(ct, args, &n); + Widget widget= XmCreateScrolledList(parent, "listview", args, n); + XtManageChild(widget); + + UiListView *listview = ucx_mempool_malloc(obj->ctx->mempool, sizeof(UiListView)); + listview->widget = widget; + listview->list = list; + listview->getvalue = getvalue; + + list->list->observers = ui_add_observer( + list->list->observers, + (ui_callback)ui_listview_update, + listview); + + for (int i=0;ictx->mempool, + sizeof(UiEventData)); + event->event.obj = obj; + event->event.user_data = udata; + event->event.callback = f; + event->event.value = 0; + event->list = list; + XtAddCallback( + widget, + XmNdefaultActionCallback, + (XtCallbackProc)ui_list_selection_callback, + event); + } + + return widget; +} + +UIWIDGET ui_listview(UiObject *obj, UiList *list, ui_model_getvalue_f getvalue, ui_callback f, void *udata) { + UiListPtr *listptr = ucx_mempool_malloc(obj->ctx->mempool, sizeof(UiListPtr)); + listptr->list = list; + return ui_listview_var(obj, listptr, getvalue, f, udata); +} + +UIWIDGET ui_listview_nv(UiObject *obj, char *varname, ui_model_getvalue_f getvalue, ui_callback f, void *udata) { + UiVar *var = uic_connect_var(obj->ctx, varname, UI_VAR_LIST); + if(var) { + UiListVar *value = var->value; + return ui_listview_var(obj, value->listptr, getvalue, f, udata); + } else { + // TODO: error + } + return NULL; +} + + +XmStringTable ui_create_stringlist(UiList *list, ui_model_getvalue_f getvalue, int *count) { + int num = list->count(list); + XmStringTable items = (XmStringTable)XtMalloc(num * sizeof(XmString)); + void *data = list->first(list); + for(int i=0;inext(list); + } + + *count = num; + return items; +} + + +void ui_listview_update(UiEvent *event, UiListView *view) { + int count; + XmStringTable items = ui_create_stringlist( + view->list->list, + view->getvalue, + &count); + + XtVaSetValues(view->widget, XmNitems, items, XmNitemCount, count, NULL); + + for (int i=0;ievent.obj; + e.window = event->event.obj->window; + e.document = event->event.obj->document; + e.eventdata = event->list->list->get(event->list->list, cbs->item_position - 1); + e.intval = cbs->item_position - 1; + event->event.callback(&e, event->event.user_data); +}