uigenerator5.C

/*
** Copyright 2019-2021 Double Precision, Inc.
** See COPYING for distribution information.
*/

#include "config.h"
#include <x/mpobj.H>
#include <x/exception.H>
#include <x/destroy_callback.H>
#include <x/pidinfo.H>
#include <x/config.H>
#include <x/appid.H>
#include <x/w/main_window.H>
#include <x/w/listlayoutmanager.H>
#include <x/w/listitemhandle.H>
#include <x/w/uielements.H>
#include <x/w/uigenerators.H>
#include <x/w/callback_trigger.H>
#include <string>
#include <iostream>
#include <sstream>

#include "close_flag.H"

std::string x::appid() noexcept
{
	return "uigenerator5.examples.w.libcxx.com";
}

static inline void create_main_window(const x::w::main_window &main_window)
{
	std::string me=x::exename(); // My path.
	size_t p=me.rfind('/');

	// Load "uigenerator5.xml" from the same directory as me

	x::w::const_uigenerators generator=
		x::w::const_uigenerators::create(me.substr(0, ++p) +
						 "uigenerator5.xml");

	x::w::uielements element_factory;
	auto layout=main_window->gridlayout();

	layout->generate("main-window-grid",
			 generator, element_factory);

	x::w::listitemhandle h=element_factory.get_listitemhandle("option_1");

	h->on_status_update
		([]
		 (ONLY IN_THREAD,
		  const x::w::list_item_status_info_t &i)
		 {
			 if (i.selected)
				 std::cout << "Option 1" << std::endl;
		 });

	h=element_factory.get_listitemhandle("option_2");

	h->on_status_update
		([]
		 (ONLY IN_THREAD,
		  const x::w::list_item_status_info_t &i)
		 {
			 if (i.selected)
				 std::cout << "Option 2" << std::endl;
		 });
}

void uigenerator5()
{
	x::destroy_callback::base::guard guard;

	x::w::main_window_config config{"main"};

	auto close_flag=close_flag_ref::create();

	auto main_window=x::w::main_window
		::create(config,
			 [&]
			 (const auto &main_window)
			 {
				 create_main_window(main_window);
			 },

			 x::w::new_gridlayoutmanager{});

	main_window->set_window_title("List");


	guard(main_window->connection_mcguffin());

	main_window->on_disconnect([]
				   {
					   _exit(1);
				   });

	main_window->on_delete
		([close_flag]
		 (ONLY IN_THREAD,
		  const x::w::busy &ignore)
		 {
			 close_flag->close();
		 });

	main_window->show_all();

	close_flag->wait();
}

int main(int argc, char **argv)
{
	try {
		uigenerator5();
	} catch (const x::exception &e)
	{
		e->caught();
		exit(1);
	}
	return 0;
}

uigenerator5.xml

<?xml version="1.0" encoding="utf-8"?>
<theme version="1"
       xmlns:xi="http://www.w3.org/2003/XInclude">

  <layout id="main-window-grid" type="grid">
    <append_row>
      <name>main-window-contents</name>
    </append_row>
  </layout>

  <factory id="main-window-contents" type="grid">
    <container>
      <type>list</type>
      <name>main-window-list</name>
      <config>
	<selection_type>single_optional</selection_type>
	<columns>2</columns>
	<height>
	  <variable />
	</height>

	<row_alignment>
	  <column>0</column>
	  <valign>middle</valign>
	</row_alignment>
      </config>
    </container>
  </factory>

  <layout id="main-window-list" type="list">
    <append_items>
      <items>
	<name>header</name>
	<label> </label>
	<label type="theme_text">-- Options --</label>

	<separator />

	<name>option_1</name>
	<hierindent>1</hierindent>
	<shortcut>Alt-1</shortcut>
	<image>checkbox1</image>
	<label type="theme_text">This is option #1</label>

	<name>option_2</name>
	<hierindent>1</hierindent>
	<shortcut>Alt-2</shortcut>
	<image>checkbox1</image>
	<label type="theme_text">This is option #2</label>
      </items>
    </append_items>
  </layout>
</theme>

<container>
  <name>option-list</name>
  <type>list</type>
  <config>
    <style>bullet</style>
    <height>
      <min_rows>4</min_rows>
      <max_rows>4</max_rows>
    </height>
  </config>
</container>

<config>
  <selection_type>multiple</selection_type>
</config>