HOW to control the IME Window

[MadHyde]

this tutorial is based on the IrrTT.

In the Irrlicht, the IME window appears upper left.
try this code, if you think it to be strange.

Code: Select all

/*
This tutorial shows how to control the IME Window.
*/

#include "stdafx.h"

#include <irrlicht.h>

using namespace irr;

using namespace core;
using namespace video;
using namespace gui;

#pragma comment(lib, "Irrlicht.lib")
#pragma comment(lib, "imm32.lib")

#define ID_EDITBOX_1 101
#define ID_EDITBOX_2 102
#define WINDOW_TITLE "Irrlicht Engine - IME Window Demo"
#define WINDOW_TITLE_L L"Irrlicht Engine - IME Window Demo"
#define FONT_PATH "C:\\WINNT\\fonts\\msgothic.ttc"

class MyEventReceiver : public IEventReceiver
{
public:
	virtual bool OnEvent(SEvent event)
	{
		if (event.EventType == EET_GUI_EVENT)
		{
			s32 id = event.GUIEvent.Caller->getID();
	
			switch(event.GUIEvent.EventType)
			{
			case EGET_ELEMENT_HOVERED:
//				if (Device->isWindowActive())
					if(id == ID_EDITBOX_1 || id == ID_EDITBOX_2)
					{
						HWND hwnd = FindWindow("CIrrDeviceWin32", WINDOW_TITLE);
						rect<s32> box_rect = ((IGUIScrollBar*)event.GUIEvent.Caller)->getRelativePosition();

						HIMC hIMC = ImmGetContext(hwnd);
						COMPOSITIONFORM cf;

						/* Set preedit position */
						cf.dwStyle = CFS_POINT;
						cf.ptCurrentPos.x =  box_rect.UpperLeftCorner.X;
						cf.ptCurrentPos.y = box_rect.UpperLeftCorner.Y;
						ImmSetCompositionWindow(hIMC, &cf);
						ImmReleaseContext(hwnd, hIMC);
					}
				break;
			}
		}
		return false;
	}
};

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow )
{

	IrrlichtDevice* device = 0;
	device = createDevice(video::EDT_OPENGL, core::dimension2d<s32>(640, 480));

	if (device == 0)
		return 1;

	MyEventReceiver receiver;
	device->setEventReceiver(&receiver);
	device->setWindowCaption(WINDOW_TITLE_L);

	video::IVideoDriver* driver = device->getVideoDriver();
	IGUIEnvironment* env = device->getGUIEnvironment();
	IGUISkin* skin = env->getSkin();

	//Set font to all GUI Ellement.
    c8 fontface[512] = FONT_PATH;
	IGUIFont *font = (IGUIFont *)env->getFont(fontface,12);
 	if (font)
	{
	   ((CGUITTFont *)font)->AntiAlias = true;
		skin->setFont(font);
	}

	env->addStaticText(L"EditBox1:", rect<s32>(150,100,210,116));
	IGUIEditBox *EditBox1 = env->addEditBox(L"Edit me!!!", rect<s32>(210, 100, 490, 116), true, 0, ID_EDITBOX_1);

	env->addStaticText(L"EditBox2:", rect<s32>(150,200,210,216));
	IGUIEditBox *EditBox2 = env->addEditBox(L"Me, too!!!!!", rect<s32>(210, 200, 490, 216), true, 0, ID_EDITBOX_2);

	while(device->run() && driver)
//	if (device->isWindowActive())
	{
		driver->beginScene(true, true, SColor(0,200,200,200));

		env->drawAll();
	
		driver->endScene();
	}

	device->drop();

	return 0;
}