// Win32 Tutorial (Color Buttons - Owner Drawn)
// Alan Baylis 2004
#include <windows.h>
#include <stdio.h>
#include "resource.h"
const char ClassName[] = "MainWindowClass";
HWND hWndButton;
LRESULT CALLBACK WndProc( HWND hWnd,
UINT Msg,
WPARAM wParam,
LPARAM lParam )
{
switch (Msg)
{
case WM_CREATE:
{
hWndButton = CreateWindowEx(
0,
"BUTTON",
NULL,
WS_CHILD | BS_OWNERDRAW,
10, 10,
80, 20,
hWnd,
(HMENU)IDC_OWNERDRAWN,
(HINSTANCE)GetWindowLong(hWnd, GWL_HINSTANCE),
NULL);
if(!hWndButton)
{
MessageBox(NULL, "Button Creation Failed.", "Error", MB_OK | MB_ICONERROR);
return 0;
}
ShowWindow(hWndButton, SW_SHOW);
}
break;
case WM_DRAWITEM:
{
switch ((UINT)wParam)
{
case IDC_OWNERDRAWN:
{
LPDRAWITEMSTRUCT lpdis = (DRAWITEMSTRUCT*)lParam;
SIZE size;
char text[256];
sprintf(text, "%s", "Test");
GetTextExtentPoint32(lpdis->hDC, text, strlen(text), &size);
SetTextColor(lpdis->hDC, RGB(0, 0, 0));
SetBkColor(lpdis->hDC, RGB(255, 255, 0));
ExtTextOut(lpdis->hDC,
((lpdis->rcItem.right - lpdis->rcItem.left) - size.cx) / 2,
((lpdis->rcItem.bottom - lpdis->rcItem.top) - size.cy) / 2,
ETO_OPAQUE | ETO_CLIPPED, &lpdis->rcItem, text, strlen(text), NULL);
DrawEdge(lpdis->hDC, &lpdis->rcItem,
(lpdis->itemState & ODS_SELECTED ?
EDGE_SUNKEN : EDGE_RAISED ), BF_RECT);
return TRUE;
}
break;
}
}
break;
case WM_COMMAND:
{
switch(LOWORD(wParam))
{
case IDC_OWNERDRAWN:
{
switch(HIWORD(wParam))
{
case BN_CLICKED:
MessageBox(NULL, "Selected Button", "Success", MB_OK | MB_ICONINFORMATION);
break;
}
}
break;
}
return 0;
}
break;
case WM_CLOSE:
DestroyWindow(hWnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return (DefWindowProc(hWnd, Msg, wParam, lParam));
}
return 0;
}
INT WINAPI WinMain( HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
INT nCmdShow )
{
WNDCLASSEX wc;
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = 0;
wc.lpfnWndProc = (WNDPROC)WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_ICON));
wc.hIconSm = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_ICON));
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wc.lpszMenuName = NULL;
wc.lpszClassName = ClassName;
if (!RegisterClassEx(&wc))
{
MessageBox(NULL, "Failed To Register The Window Class.", "Error", MB_OK | MB_ICONERROR);
return 0;
}
HWND hWnd;
hWnd = CreateWindowEx(
WS_EX_CLIENTEDGE,
ClassName,
"Color Buttons",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
240,
120,
NULL,
NULL,
hInstance,
NULL);
if (!hWnd)
{
MessageBox(NULL, "Window Creation Failed.", "Error", MB_OK | MB_ICONERROR);
return 0;
}
ShowWindow(hWnd, SW_SHOW);
UpdateWindow(hWnd);
MSG Msg;
while (GetMessage(&Msg, NULL, 0, 0))
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}
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