Easy interface for drawing Windows controls.

easy-win32-controls.h

#ifndef EASY_WIN32_CONTROLS_H
#define EASY_WIN32_CONTROLS_H

//		EXAMPLE:
//  https://ibb.co/GRHmv5s

//    	case WM_CREATE: {
//			startWindow(5, 5, hwnd);
//			
//			newWindow(STATIC, "Edit Example:", 0, 0, 0);
//			newWindow(EDIT, "Any text", 200, 0, 0);
//			
//			newLineWindow();
//			offsetWindow(0, 10);
//			
//			newWindow(BUTTON, "Click Me!", 100, 100, (HMENU)1);
//			
//			newLineWindow();
//			offsetWindow(0, 10);
//			
//			newWindow(RADIO, "foo", 80, 0, 0);
//			newWindow(RADIO, "bar", 80, 0, 0);			
//			newWindow(CHECKBOX, "foo bar", 80, 0, 0);
//			break;
//		}


#include <windows.h>

enum {
	STATIC,
	EDIT,
	BUTTON,
	CHECKBOX,
	RADIO
};

size_t	_EasyWindows_Curret_X = 0;
size_t	_EasyWindows_Curret_Y = 0;
size_t	_EasyWindows_Fist_X = 0;
size_t	_EasyWindows_Last_Height = 0;
size_t	_EasyWindows_Sum_Height = 0;
HWND	_EasyWindows_HWND = 0;
LPSTR	_EasyWindows_TYPE = 0;
DWORD	_EasyWindows_STYLE = 0;
DWORD _EasyWindows_Custom_STYLE = 0;

void startWindow(size_t x, size_t y, HWND hwnd) {
	
	_EasyWindows_Sum_Height = 0;
	
	_EasyWindows_Fist_X = x;
	_EasyWindows_Curret_X = x;
	_EasyWindows_Curret_Y = y;
	_EasyWindows_HWND = hwnd;
}

POINT getposWindow() {
	POINT pos;
	pos.x = _EasyWindows_Curret_X;
	pos.y = _EasyWindows_Curret_Y;
	
	return pos;
}

void offsetWindow(size_t xOffset, size_t yOffset) {
	
	_EasyWindows_Curret_X += xOffset;
	_EasyWindows_Curret_Y += yOffset;
}

void newLineWindow() {
	
	_EasyWindows_Curret_X = _EasyWindows_Fist_X;
	_EasyWindows_Curret_Y += _EasyWindows_Last_Height;
	_EasyWindows_Sum_Height += _EasyWindows_Curret_Y;
}

void styleWindow(DWORD style) {
	_EasyWindows_Custom_STYLE = style;
}

static void _styleWindow(DWORD style) {
	
	_EasyWindows_STYLE = WS_VISIBLE | WS_CHILD | ES_AUTOHSCROLL | style;
}

HWND newWindow(DWORD type, LPSTR text, size_t width, size_t height, HMENU menu) {
	DWORD style = 0;
	
	//set class and style
	if (type == EDIT) {
		_EasyWindows_TYPE = "EDIT";
		style |= WS_BORDER;
		style |= WS_TABSTOP;
	}
	else if (type == STATIC) {
		_EasyWindows_TYPE = "STATIC";
	}
	else if (type == BUTTON) {
		_EasyWindows_TYPE = "BUTTON";
		style |= WS_TABSTOP;
	}
	else if (type == CHECKBOX) {
		_EasyWindows_TYPE = "BUTTON";
		style |= BS_AUTOCHECKBOX;
		style |= WS_TABSTOP;
	}
	else if (type == RADIO) {
		_EasyWindows_TYPE = "BUTTON";
		style |= BS_AUTORADIOBUTTON;
		style |= WS_TABSTOP;
	}
	
	_styleWindow(style | _EasyWindows_Custom_STYLE);
	
	//auto size
	if (width == 0) width = strlen(text) * 9;
	if (height == 0) height = 20;
	
	//create window
	HWND child = CreateWindow(_EasyWindows_TYPE, text, _EasyWindows_STYLE,
	
		_EasyWindows_Curret_X, _EasyWindows_Curret_Y,
		width, height,
		_EasyWindows_HWND,
		
		menu, (HINSTANCE)GetWindowLongPtr(_EasyWindows_HWND, GWLP_HINSTANCE), NULL);
	
	//auto x
	_EasyWindows_Curret_X += width;
	
	_EasyWindows_Last_Height = height;
	
	return child;
}

#define newWindow(type, text, width, height, menu) \
	newWindow(type, text, width, height, (HMENU)menu)

#endif