2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
4 * Copyright 2014 Olaf Wintermann. All rights reserved.
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7 * modification, are permitted provided that the following conditions are met:
9 * 1. Redistributions of source code must retain the above copyright
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26 * POSSIBILITY OF SUCH DAMAGE.
32 #include "container.h"
35 #include "../common/object.h"
38 void* ui_strmodel_getvalue(void *elm, int column) {
39 return column == 0 ? elm : NULL;
43 UIWIDGET ui_listview_str(UiObject *obj, UiList *list, ui_callback f, void *udata) {
44 return ui_listview(obj, list, ui_strmodel_getvalue, f, udata);
47 UIWIDGET ui_listview_var(UiObject *obj, UiVar *var, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
49 XmStringTable items = ui_create_stringlist(var->value, getvalue, &count);
53 XtSetArg(args[n], XmNitemCount, count);
55 XtSetArg(args[n], XmNitems, count == 0 ? NULL : items);
58 UiContainer *ct = uic_get_current_container(obj);
59 Widget parent = ct->prepare(ct, args, &n, TRUE);
60 Widget widget = XmCreateScrolledList(parent, "listview", args, n);
61 ct->add(ct, XtParent(widget));
62 XtManageChild(widget);
64 UiListView *listview = ucx_mempool_malloc(obj->ctx->mempool, sizeof(UiListView));
65 listview->widget = widget;
67 listview->getvalue = getvalue;
69 for (int i=0;i<count;i++) {
70 XmStringFree(items[i]);
72 XtFree((char *)items);
75 UiListViewEventData *event = ucx_mempool_malloc(
77 sizeof(UiListViewEventData));
78 event->event.obj = obj;
79 event->event.userdata = udata;
80 event->event.callback = f;
81 event->event.value = 0;
85 XmNdefaultActionCallback,
86 (XtCallbackProc)ui_list_selection_callback,
93 UIWIDGET ui_listview(UiObject *obj, UiList *list, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
94 UiVar *var = malloc(sizeof(UiVar));
96 var->type = UI_VAR_SPECIAL;
97 return ui_listview_var(obj, var, getvalue, f, udata);
100 UIWIDGET ui_listview_nv(UiObject *obj, char *varname, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
101 UiVar *var = uic_create_var(obj->ctx, varname, UI_VAR_LIST);
103 UiListVar *value = var->value;
104 return ui_listview_var(obj, var, getvalue, f, udata);
112 XmStringTable ui_create_stringlist(UiList *list, ui_getvaluefunc getvalue, int *count) {
113 int num = list->count(list);
114 XmStringTable items = (XmStringTable)XtMalloc(num * sizeof(XmString));
115 void *data = list->first(list);
116 for(int i=0;i<num;i++) {
117 items[i] = XmStringCreateLocalized(getvalue(data, 0));
118 data = list->next(list);
126 void ui_listview_update(UiEvent *event, UiListView *view) {
128 XmStringTable items = ui_create_stringlist(
135 XmNitems, count == 0 ? NULL : items,
140 for (int i=0;i<count;i++) {
141 XmStringFree(items[i]);
143 XtFree((char *)items);
146 void ui_list_selection_callback (Widget widget, UiListViewEventData *event, XtPointer data) {
147 XmListCallbackStruct *cbs = (XmListCallbackStruct *)data;
150 e.obj = event->event.obj;
151 e.window = event->event.obj->window;
152 e.document = event->event.obj->ctx->document;
153 UiList *list = event->var->value;
154 e.eventdata = list->get(list, cbs->item_position - 1);
155 e.intval = cbs->item_position - 1;
156 event->event.callback(&e, event->event.userdata);
160 /* --------------------------- ComboBox --------------------------- */
162 UIWIDGET ui_combobox_str(UiObject *obj, UiList *list, ui_callback f, void *udata) {
163 return ui_combobox(obj, list, ui_strmodel_getvalue, f, udata);
166 UIWIDGET ui_combobox(UiObject *obj, UiList *list, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
167 UiVar *var = malloc(sizeof(UiVar));
169 var->type = UI_VAR_SPECIAL;
170 return ui_combobox_var(obj, var, getvalue, f, udata);
173 UIWIDGET ui_combobox_nv(UiObject *obj, char *varname, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
174 UiVar *var = uic_create_var(obj->ctx, varname, UI_VAR_LIST);
176 UiListVar *value = var->value;
177 return ui_combobox_var(obj, var, getvalue, f, udata);
184 UIWIDGET ui_combobox_var(UiObject *obj, UiVar *var, ui_getvaluefunc getvalue, ui_callback f, void *udata) {
185 UiListView *listview = ucx_mempool_malloc(
189 UiContainer *ct = uic_get_current_container(obj);
192 XtSetArg(args[n], XmNindicatorOn, XmINDICATOR_NONE);
194 XtSetArg(args[n], XmNtraversalOn, FALSE);
196 XtSetArg(args[n], XmNwidth, 160);
198 Widget parent = ct->prepare(ct, args, &n, FALSE);
199 Widget combobox = XmCreateDropDownList(parent, "combobox", args, n);
200 XtManageChild(combobox);
201 listview->widget = combobox;
202 listview->list = var;
203 listview->getvalue = getvalue;
205 ui_listview_update(NULL, listview);