/*
* 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 "button.h"
#include "container.h"
#include "../common/context.h"
#include <ucx/mempool.h>
UIWIDGET ui_button(UiObject *obj, char *label, ui_callback f, void *data) {
UiContainer *ct = uic_get_current_container(obj);
XmString str = XmStringCreateLocalized(label);
int n = 0;
Arg args[16];
XtSetArg(args[n], XmNlabelString, str);
n++;
Widget parent = ct->prepare(ct, args, &n, FALSE);
Widget button = XmCreatePushButton(parent, "button", args, n);
ct->add(ct, button);
if(f) {
UiEventData *event = ucx_mempool_malloc(
obj->ctx->mempool,
sizeof(UiEventData));
event->obj = obj;
event->userdata = data;
event->callback = f;
event->value = 0;
XtAddCallback(
button,
XmNactivateCallback,
(XtCallbackProc)ui_push_button_callback,
event);
}
XtManageChild(button);
return button;
}
// wrapper
int64_t ui_toggle_button_get(UiInteger *i) {
int state = 0;
XtVaGetValues(i->obj, XmNset, &state, NULL);
i->value = state;
return state;
}
void ui_toggle_button_set(UiInteger *i, int64_t value) {
Arg arg;
XtSetArg(arg, XmNset, value);
XtSetValues(i->obj, &arg, 1);
i->value = value;
}
void ui_toggle_button_callback(
Widget widget,
UiEventData *event,
XmToggleButtonCallbackStruct *tb)
{
UiEvent e;
e.obj = event->obj;
e.window = event->obj->window;
// TODO: e.document
e.intval = tb->set;
event->callback(&e, event->userdata);
}
void ui_push_button_callback(Widget widget, UiEventData *event, XtPointer d) {
UiEvent e;
e.obj = event->obj;
e.window = event->obj->window;
e.document = event->obj->ctx->document;
e.intval = event->value;
event->callback(&e, event->userdata);
}
static void radio_callback(
Widget widget,
RadioEventData *event,
XmToggleButtonCallbackStruct *tb)
{
if(tb->set) {
RadioButtonGroup *group = event->group;
if(group->current) {
Arg arg;
XtSetArg(arg, XmNset, FALSE);
XtSetValues(group->current, &arg, 1);
}
group->current = widget;
}
}
UIWIDGET ui_radiobutton(UiObject *obj, char *label, UiInteger *rgroup) {
UiContainer *ct = uic_get_current_container(obj);
XmString str = XmStringCreateLocalized(label);
int n = 0;
Arg args[16];
XtSetArg(args[n], XmNlabelString, str);
n++;
XtSetArg(args[n], XmNindicatorType, XmONE_OF_MANY_ROUND);
n++;
Widget parent = ct->prepare(ct, args, &n, FALSE);
Widget button = XmCreateToggleButton(parent, "radiobutton", args, n);
ct->add(ct, button);
if(rgroup) {
RadioButtonGroup *group;
if(rgroup->obj) {
group = rgroup->obj;
group->buttons = ucx_list_append(group->buttons, button);
group->ref++;
} else {
group = malloc(sizeof(RadioButtonGroup));
group->buttons = ucx_list_append(NULL, button);
group->current = button;
// this is the first button in the radiobutton group
// so we should enable it
Arg arg;
XtSetArg(arg, XmNset, TRUE);
XtSetValues(button, &arg, 1);
rgroup->obj = group;
group->current = button;
}
RadioEventData *event = malloc(sizeof(RadioEventData));
event->obj = obj;
event->callback = NULL;
event->userdata = NULL;
event->group = group;
XtAddCallback(
button,
XmNvalueChangedCallback,
(XtCallbackProc)radio_callback,
event);
rgroup->get = ui_radiobutton_get;
rgroup->set = ui_radiobutton_set;
}
XtManageChild(button);
return button;
}
int64_t ui_radiobutton_get(UiInteger *value) {
RadioButtonGroup *group = value->obj;
int i = ucx_list_find(group->buttons, group->current, NULL, NULL);
if (i >= 0) {
value->value = i;
return i;
} else {
return 0;
}
}
void ui_radiobutton_set(UiInteger *value, int64_t i) {
RadioButtonGroup *group = value->obj;
Arg arg;
XtSetArg(arg, XmNset, FALSE);
XtSetValues(group->current, &arg, 1);
UcxList *elm = ucx_list_get(group->buttons, i);
if(elm) {
Widget button = elm->data;
XtSetArg(arg, XmNset, TRUE);
XtSetValues(button, &arg, 1);
group->current = button;
}
}