Sun, 14 Dec 2025 18:54:57 +0100
add togglebutton (Server)
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 2025 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 "button.h" #include <cx/buffer.h> #include <cx/printf.h> #include "args.h" #include "container.h" #include "widget.h" #include "var.h" cxmutstr ui_button_args_to_string(UiContext *ctx, UiButtonArgs *args) { CxBuffer buf; cxBufferInit(&buf, NULL, 256, ctx->allocator, CX_BUFFER_AUTO_EXTEND | CX_BUFFER_FREE_CONTENTS); cxBufferPutString(&buf, "{"); UI_STANDARD_ARGS(&buf, args); UI_LABEL_ARGS(&buf, args); // TODO: labeltype, states if(buf.size > 0 && buf.space[buf.size-1] == ',') { buf.space[buf.size-1] = ' '; } cxBufferPutString(&buf, "}"); return cx_mutstrn(buf.space, buf.size); } cxmutstr ui_toggle_args_to_string(UiContext *ctx, UiToggleArgs *args, cxmutstr value) { CxBuffer buf; cxBufferInit(&buf, NULL, 256, ctx->allocator, CX_BUFFER_AUTO_EXTEND | CX_BUFFER_FREE_CONTENTS); cxBufferPutString(&buf, "{"); UI_STANDARD_ARGS(&buf, args); UI_LABEL_ARGS(&buf, args); if(value.ptr) ui_argstr_add_str(&buf, "value", value.ptr); // TODO: labeltype, states if(buf.size > 0 && buf.space[buf.size-1] == ',') { buf.space[buf.size-1] = ' '; } cxBufferPutString(&buf, "}"); return cx_mutstrn(buf.space, buf.size); } UIWIDGET ui_button_create(UiObject *obj, UiButtonArgs *args) { UiCallbackWidget *widget = cxZalloc(obj->ctx->allocator, sizeof(UiCallbackWidget)); widget->widget.obj = obj->widget->obj; widget->widget.type = CX_STR("button"); widget->widget.args = ui_button_args_to_string(obj->ctx, args); widget->widget.serialize = (ui_serialize_func)ui_button_serialize; widget->callback = args->onclick; widget->userdata = args->onclickdata; ui_reg_widget((UiWidget*)widget); UiWidget *parent = obj->container_end->container; cxListAdd(parent->children, widget); return (UiWidget*)widget; } cxmutstr ui_button_serialize(UiCallbackWidget *w) { CxBuffer buf; cxBufferInit(&buf, NULL, 1024, NULL, CX_BUFFER_AUTO_EXTEND | CX_BUFFER_FREE_CONTENTS); cxBufferPutString(&buf, "{"); ui_serialize_type_obj_id(&w->widget, &buf); cxBufferPutString(&buf, ",\"args\":"); cxBufferPutString(&buf, w->widget.args.ptr); if(w->widget.var_id.ptr) { cxBufferPutString(&buf, ",\"value\":\""); cxBufferPutString(&buf, w->widget.var_id.ptr); cxBufferPutString(&buf, "\""); } cxBufferPutString(&buf, "}\n"); return cx_mutstrn(buf.space, buf.size); } static UIWIDGET togglebutton_create(UiObject *obj, const char *type, UiToggleArgs *args) { cxmutstr var_id = cx_mutstrn(NULL, 0); UiVar* var = uic_widget_var(obj->ctx, obj->ctx, args->value, args->varname, UI_VAR_INTEGER); if(var) { UiInteger *i = var->value; if(!i->obj) { ui_server_bind_int(obj->ctx, i); } var_id = cx_mutstr(i->obj); } UiCallbackWidget *widget = cxZalloc(obj->ctx->allocator, sizeof(UiCallbackWidget)); widget->widget.obj = obj->widget->obj; widget->widget.type = cx_str(type); widget->widget.args = ui_toggle_args_to_string(obj->ctx, args, var_id); widget->widget.var_id = var_id; widget->widget.var_type = UI_VAR_INTEGER; widget->widget.serialize = (ui_serialize_func)ui_button_serialize; widget->callback = args->onchange; widget->userdata = args->onchangedata; ui_reg_widget((UiWidget*)widget); UiWidget *parent = obj->container_end->container; cxListAdd(parent->children, widget); return (UiWidget*)widget; } UIWIDGET ui_togglebutton_create(UiObject *obj, UiToggleArgs *args) { return togglebutton_create(obj, "togglebutton", args); } UIWIDGET ui_checkbox_create(UiObject *obj, UiToggleArgs *args) { return togglebutton_create(obj, "checkbox", args); } UIWIDGET ui_switch_create(UiObject *obj, UiToggleArgs *args) { return togglebutton_create(obj, "switch", args); } UIWIDGET ui_radiobutton_create(UiObject *obj, UiToggleArgs *args) { return togglebutton_create(obj, "radiobutton", args); }