Sun, 29 Sep 2024 11:29:37 +0200
implement GTK4 gmenu item and item list
/* * 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 <cx/mempool.h> #include <cx/linked_list.h> #include <cx/array_list.h> #include <cx/compare.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 = cxMalloc( obj->ctx->allocator, 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; if(!group->buttons) { group->buttons = cxArrayListCreate(cxDefaultAllocator, cx_cmp_uintptr, CX_STORE_POINTERS, 8); } cxListAdd(group->buttons, button); group->ref++; } else { group = malloc(sizeof(RadioButtonGroup)); group->buttons = cxArrayListCreate(cxDefaultAllocator, cx_cmp_uintptr, CX_STORE_POINTERS, 8); cxListAdd(group->buttons, 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 = cxListFind(group->buttons, group->current); 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); Widget button = cxListAt(group->buttons, i); if(button) { XtSetArg(arg, XmNset, TRUE); XtSetValues(button, &arg, 1); group->current = button; } }