--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/motif/list.c Wed Dec 09 11:32:01 2020 +0100
@@ -0,0 +1,207 @@
+/*
+ * 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 <stdio.h>
+#include <stdlib.h>
+
+#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, UiVar *var, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
+ int count;
+ XmStringTable items = ui_create_stringlist(var->value, getvalue, &count);
+
+ Arg args[8];
+ int n = 0;
+ XtSetArg(args[n], XmNitemCount, count);
+ n++;
+ XtSetArg(args[n], XmNitems, count == 0 ? NULL : items);
+ n++;
+
+ UiContainer *ct = uic_get_current_container(obj);
+ Widget parent = ct->prepare(ct, args, &n, TRUE);
+ Widget widget = XmCreateScrolledList(parent, "listview", args, n);
+ ct->add(ct, XtParent(widget));
+ XtManageChild(widget);
+
+ UiListView *listview = ucx_mempool_malloc(obj->ctx->mempool, sizeof(UiListView));
+ listview->widget = widget;
+ listview->list = var;
+ listview->getvalue = getvalue;
+
+ for (int i=0;i<count;i++) {
+ XmStringFree(items[i]);
+ }
+ XtFree((char *)items);
+
+ if(f) {
+ UiListViewEventData *event = ucx_mempool_malloc(
+ obj->ctx->mempool,
+ sizeof(UiListViewEventData));
+ event->event.obj = obj;
+ event->event.userdata = udata;
+ event->event.callback = f;
+ event->event.value = 0;
+ event->var = var;
+ XtAddCallback(
+ widget,
+ XmNdefaultActionCallback,
+ (XtCallbackProc)ui_list_selection_callback,
+ event);
+ }
+
+ return widget;
+}
+
+UIWIDGET ui_listview(UiObject *obj, UiList *list, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
+ UiVar *var = malloc(sizeof(UiVar));
+ var->value = list;
+ var->type = UI_VAR_SPECIAL;
+ return ui_listview_var(obj, var, getvalue, f, udata);
+}
+
+UIWIDGET ui_listview_nv(UiObject *obj, char *varname, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
+ UiVar *var = uic_create_var(obj->ctx, varname, UI_VAR_LIST);
+ if(var) {
+ UiListVar *value = var->value;
+ return ui_listview_var(obj, var, getvalue, f, udata);
+ } else {
+ // TODO: error
+ }
+ return NULL;
+}
+
+
+XmStringTable ui_create_stringlist(UiList *list, ui_getvaluefunc getvalue, int *count) {
+ int num = list->count(list);
+ XmStringTable items = (XmStringTable)XtMalloc(num * sizeof(XmString));
+ void *data = list->first(list);
+ for(int i=0;i<num;i++) {
+ items[i] = XmStringCreateLocalized(getvalue(data, 0));
+ data = list->next(list);
+ }
+
+ *count = num;
+ return items;
+}
+
+
+void ui_listview_update(UiEvent *event, UiListView *view) {
+ int count;
+ XmStringTable items = ui_create_stringlist(
+ view->list->value,
+ view->getvalue,
+ &count);
+
+ XtVaSetValues(
+ view->widget,
+ XmNitems, count == 0 ? NULL : items,
+ XmNitemCount,
+ count,
+ NULL);
+
+ for (int i=0;i<count;i++) {
+ XmStringFree(items[i]);
+ }
+ XtFree((char *)items);
+}
+
+void ui_list_selection_callback (Widget widget, UiListViewEventData *event, XtPointer data) {
+ XmListCallbackStruct *cbs = (XmListCallbackStruct *)data;
+
+ UiEvent e;
+ e.obj = event->event.obj;
+ e.window = event->event.obj->window;
+ e.document = event->event.obj->ctx->document;
+ UiList *list = event->var->value;
+ e.eventdata = list->get(list, cbs->item_position - 1);
+ e.intval = cbs->item_position - 1;
+ event->event.callback(&e, event->event.userdata);
+}
+
+
+/* --------------------------- ComboBox --------------------------- */
+
+UIWIDGET ui_combobox_str(UiObject *obj, UiList *list, ui_callback f, void *udata) {
+ return ui_combobox(obj, list, ui_strmodel_getvalue, f, udata);
+}
+
+UIWIDGET ui_combobox(UiObject *obj, UiList *list, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
+ UiVar *var = malloc(sizeof(UiVar));
+ var->value = list;
+ var->type = UI_VAR_SPECIAL;
+ return ui_combobox_var(obj, var, getvalue, f, udata);
+}
+
+UIWIDGET ui_combobox_nv(UiObject *obj, char *varname, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
+ UiVar *var = uic_create_var(obj->ctx, varname, UI_VAR_LIST);
+ if(var) {
+ UiListVar *value = var->value;
+ return ui_combobox_var(obj, var, getvalue, f, udata);
+ } else {
+ // TODO: error
+ }
+ return NULL;
+}
+
+UIWIDGET ui_combobox_var(UiObject *obj, UiVar *var, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
+ UiListView *listview = ucx_mempool_malloc(
+ obj->ctx->mempool,
+ sizeof(UiListView));
+
+ UiContainer *ct = uic_get_current_container(obj);
+ Arg args[16];
+ int n = 0;
+ XtSetArg(args[n], XmNindicatorOn, XmINDICATOR_NONE);
+ n++;
+ XtSetArg(args[n], XmNtraversalOn, FALSE);
+ n++;
+ XtSetArg(args[n], XmNwidth, 160);
+ n++;
+ Widget parent = ct->prepare(ct, args, &n, FALSE);
+ Widget combobox = XmCreateDropDownList(parent, "combobox", args, n);
+ XtManageChild(combobox);
+ listview->widget = combobox;
+ listview->list = var;
+ listview->getvalue = getvalue;
+
+ ui_listview_update(NULL, listview);
+
+}