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#include <windows.h>
struct window;
LRESULT CALLBACK easywin_defproc(window&,UINT,WPARAM,LPARAM);
struct window{
WNDCLASSEX wndclass;
char* text;
HWND hwnd;
int x,y;
int width,height;
window():text(NULL),hwnd(0),x(-1),y(-1),width(0),height(0){
wndclass.cbSize=sizeof(WNDCLASSEX);
wndclass.style=CS_HREDRAW|CS_VREDRAW;
wndclass.lpfnWndProc=NULL;
wndclass.cbClsExtra=0;
wndclass.cbWndExtra=0;
wndclass.hInstance=GetModuleHandle(0);
wndclass.hIcon=NULL;
wndclass.hCursor=LoadCursor(NULL,IDC_ARROW);
wndclass.hbrBackground=(HBRUSH)GetStockObject(LTGRAY_BRUSH);
wndclass.lpszMenuName=NULL;
wndclass.lpszClassName=NULL;
wndclass.hIconSm=NULL;}
window(WNDCLASSEX wc):text(NULL),hwnd(0),x(-1),y(-1),width(0),height(0){
wndclass=wc;
RegisterClassEx(&wndclass);}
window(WNDCLASS wc):text(NULL),hwnd(0),x(-1),y(-1),width(0),height(0){
wndclass=*(WNDCLASSEX*)(&wc+1);
wndclass.cbSize=sizeof(WNDCLASSEX);
wndclass.hIconSm=NULL;
RegisterClassEx(&wndclass);}
bool set_vars(char* class_name,LRESULT CALLBACK (*wndproc)(HWND,UINT,WPARAM,LPARAM),HBRUSH bground,HICON icon=NULL,HICON smicon=NULL){
wndclass.lpszClassName=class_name;
wndclass.lpfnWndProc=wndproc;
wndclass.hbrBackground=bground;
wndclass.hIcon=icon;
wndclass.hIconSm=smicon;
return RegisterClassEx(&wndclass);}
bool create(int X,int Y,int W,int H,UINT style,char* title=NULL,HWND parent=NULL,HMENU menu=NULL){
text=title;
x=X;
y=Y;
width=W;
height=H;
hwnd=CreateWindowEx(0,wndclass.lpszClassName,title,style,X,Y,W,H,parent,menu,wndclass.hInstance,NULL);
return hwnd!=NULL;}};
LRESULT CALLBACK DispatchMessage(window& win,MSG* msg){
return easywin_defproc(win,msg->message,msg->wParam,msg->lParam);}
LRESULT CALLBACK easywin_defproc(window& win,UINT msg,WPARAM wparam,LPARAM lparam){
switch(msg){
case WM_MOVE:
win.x=LOWORD(lparam);
win.y=HIWORD(lparam);
break;
case WM_SIZE:
if(wparam==SIZE_RESTORED){
win.width=LOWORD(lparam);
win.height=HIWORD(lparam);}
break;
case WM_SETTEXT:
win.text=(char*)lparam;
break;}
return win.wndclass.lpfnWndProc(win.hwnd,msg,wparam,lparam);}
LRESULT CALLBACK bmpsproc(HWND hwnd,UINT msg,WPARAM wparam,LPARAM lparam){
switch(msg){
case WM_CLOSE:
ShowWindow(hwnd,SW_HIDE);
break;
default:
return DefWindowProc(hwnd,msg,wparam,lparam);}
return 0;}
LRESULT CALLBACK piproc(HWND hwnd,UINT msg,WPARAM wparam,LPARAM lparam){
//prints to debug window all the messages received
printf("msg: %i\n",msg);
switch(msg){
case WM_CREATE:
statusbar=CreateWindowEx(0,STATUSCLASSNAME,"",WS_CHILD|WS_VISIBLE,-100,-100,
10,10,hwnd,(HMENU)IDSB_STATUSBAR,GetModuleHandle(0),NULL);
//this freezes the program (?)
//toolbar=CreateToolbarEx(hwnd,WS_VISIBLE,IDTB_TOOLBAR,sizeof(tbbuttons),
GetModuleHandle(0),IDB_FILE,tbbuttons,sizeof(tbbuttons),24,24,24,24,sizeof(TBBUTTON));
break;
case WM_CLOSE:
DestroyWindow(hwnd);
break;
case WM_SIZE:
if(wparam==SIZE_RESTORED){
SendMessage(statusbar,WM_SIZE,0,0);
SendMessage(toolbar,WM_SIZE,0,0);}
break;
case WM_MOUSEMOVE:
sprintf(mouse_pos,"(%i,%i)",LOWORD(lparam),HIWORD(lparam));
SendMessage(statusbar,SB_SETTEXT,1,(LPARAM)mouse_pos);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
case WM_PAINT:
hdc=BeginPaint(hwnd,&ps);
img.draw(0,0,hdc);
EndPaint(hwnd,&ps);
break;
default:
return DefWindowProc(hwnd,msg,wparam,lparam);}
return 0;}
int WINAPI WinMain(HINSTANCE hinst,HINSTANCE hprev,LPSTR cmdline,int cmdshow){
//variable declaration
MSG msg;
//register the class
win.set_vars("PiPaint",piproc,(HBRUSH)GetStockObject(LTGRAY_BRUSH),
(HICON)LoadImage(hinst,MAKEINTRESOURCE(MAINICON),IMAGE_ICON,48,48,0),
(HICON)LoadImage(hinst,MAKEINTRESOURCE(MAINICON),IMAGE_ICON,16,16,0));
win.create(CW_USEDEFAULT,CW_USEDEFAULT,640,480,WS_OVERLAPPEDWINDOW,"PiPaint");
win.set_vars("BMPsettings",bmpsproc,(HBRUSH)GetStockObject(LTGRAY_BRUSH),
(HICON)LoadImage(hinst,MAKEINTRESOURCE(MAINICON),IMAGE_ICON,48,48,0),
(HICON)LoadImage(hinst,MAKEINTRESOURCE(MAINICON),IMAGE_ICON,16,16,0));
//main loop
while(GetMessage(&msg,win.hwnd,0,0)){
TranslateMessage(&msg);
DispatchMessage(win,&msg);}
return msg.wParam;}
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