application/demo_bindings.c

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2017 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 "demo_bindings.h"


Document* document_create(int id) {
    Document* doc = ui_document_new(sizeof(Document));
    UiContext *ctx = ui_document_context(doc);
    
    char buf[32];
    snprintf(buf, 32, "%d", id);
    
    doc->id = ui_string_new(ctx, "id");
    doc->name = ui_string_new(ctx, "name");
    
    doc->input_name = ui_string_new(ctx, "input_name");
    
    ui_set(doc->id, buf);
    
    return doc;
}

void update_name(UiEvent *event, void *userdata) {
    Document *doc = event->document;
    if(!doc) {
        return;
    }
    char *s = ui_get(doc->input_name);
    ui_set(doc->name, s);
}

void switch_document(UiEvent *event, void *userdata) {
    MainWindow *wdata = event->window;
    if(event->document) {
        ui_detach_document(event->obj->ctx, event->document);
    }
    Document *doc = ui_list_get(wdata->doclist, event->intval);
    if(doc) {
        ui_attach_document(event->obj->ctx, doc);
    }
}

void* doclist_get_value(void *elm, int col) {
    Document *doc = elm;
    return ui_get(doc->id);
}

void application_startup(UiEvent *event, void *data) {
    UiObject *obj = ui_simple_window("Bindings Demo", NULL);
    MainWindow *wdata = ui_malloc(obj->ctx, sizeof(MainWindow));
    obj->window = wdata;
    
    wdata->doclist = ui_list_new(obj->ctx, "doclist");
    
    ui_grid(obj, .margin = 10, .columnspacing = 10, .rowspacing = 10, .fill = TRUE) {
        ui_rlabel(obj, .label = "Document:");
        ui_llabel(obj, .varname = "id");
        ui_newline(obj);
        
        ui_rlabel(obj, .label = "Name:");
        ui_llabel(obj, .varname = "name");
        ui_newline(obj);
        
        ui_combobox(obj, .varname = "doclist", .colspan = 2, .onactivate = switch_document, .getvalue = doclist_get_value);
        ui_newline(obj);
        
        ui_frame(obj, .label = "Document", .colspan = 2, .fill = TRUE) {
            ui_grid(obj, .margin = 10, .columnspacing = 10, .rowspacing = 10) {
                ui_rlabel(obj, .label = "Name:", .vfill = TRUE);
                ui_textfield(obj, .varname = "input_name", .onchange = update_name);
            }
        }
    }
    
    for(int i=0;i<10;i++) {
        Document *doc = document_create(i);
        ui_list_append(wdata->doclist, doc);
    }
    ui_list_update(wdata->doclist);
    Document *doc = ui_list_get(wdata->doclist, 0);
    ui_attach_document(obj->ctx, doc);
    
    
    ui_show(obj);
}


#ifndef UI_WIN32

int main(int argc, char **argv) {
    ui_init(NULL, argc, argv);
    ui_onstartup(application_startup, NULL);
    ui_main();
    return 0;
}

#else

int WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd) {
    return 0;
}

#endif