--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/motif/button.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 "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;
+ }
+}