mirror of
https://github.com/reactos/reactos.git
synced 2024-12-30 19:14:31 +00:00
150 lines
3.4 KiB
C
150 lines
3.4 KiB
C
#include <windows.h>
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#include <stdio.h>
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#include "resource.h"
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static int CaretWidth = 2;
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static int CaretHeight = 16;
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static int CharWidth = 10;
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static int CharHeight = 16;
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static HBITMAP CaretBitmap;
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LRESULT WINAPI MainWndProc(HWND, UINT, WPARAM, LPARAM);
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int WINAPI
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WinMain(HINSTANCE hInstance,
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HINSTANCE hPrevInstance,
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LPSTR lpszCmdLine,
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int nCmdShow)
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{
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WNDCLASS wc;
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MSG msg;
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HWND hWnd;
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CaretBitmap = LoadBitmap(hInstance, (LPCTSTR)IDB_CARET);
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wc.lpszClassName = "CaretTestClass";
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wc.lpfnWndProc = MainWndProc;
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wc.style = CS_VREDRAW | CS_HREDRAW;
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wc.hInstance = hInstance;
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wc.hIcon = LoadIcon(NULL, (LPCTSTR)IDI_APPLICATION);
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wc.hCursor = LoadCursor(NULL, (LPCTSTR)IDC_ARROW);
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wc.hbrBackground = (HBRUSH)COLOR_WINDOW;
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wc.lpszMenuName = NULL;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = 0;
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if (RegisterClass(&wc) == 0)
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{
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fprintf(stderr, "RegisterClass failed (last error 0x%lX)\n",
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GetLastError());
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return(1);
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}
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hWnd = CreateWindow(wc.lpszClassName,
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"Caret Test",
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WS_OVERLAPPEDWINDOW,
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0,
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0,
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200,
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250,
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NULL,
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NULL,
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hInstance,
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NULL);
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if (hWnd == NULL)
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{
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fprintf(stderr, "CreateWindow failed (last error 0x%lX)\n",
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GetLastError());
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return(1);
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}
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ShowWindow(hWnd, nCmdShow);
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while(GetMessage(&msg, NULL, 0, 0))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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return msg.wParam;
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}
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LRESULT CALLBACK MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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POINT pt;
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switch(msg)
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{
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case WM_ACTIVATE:
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switch(LOWORD(wParam))
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{
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case WA_ACTIVE:
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case WA_CLICKACTIVE:
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if(!ShowCaret(hWnd))
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DbgPrint("ShowCaret(0x%x)\n", hWnd);
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break;
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case WA_INACTIVE:
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if(!HideCaret(hWnd))
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DbgPrint("HideCaret(0x%x)\n", hWnd);
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break;
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}
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break;
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case WM_KEYDOWN:
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if(!GetCaretPos(&pt))
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{
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DbgPrint("GetCaretPos() failed!\n");
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break;
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}
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switch(wParam)
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{
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case VK_LEFT:
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pt.x -= CharWidth;
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break;
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case VK_UP:
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pt.y -= CharHeight;
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break;
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case VK_RIGHT:
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pt.x += CharWidth;
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break;
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case VK_DOWN:
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pt.y += CharHeight;
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break;
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}
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if(!SetCaretPos(pt.x, pt.y))
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DbgPrint("SetCaretPos() failed!\n");
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break;
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case WM_RBUTTONDOWN:
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if(!CreateCaret(hWnd, CaretBitmap, 0, 0))
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DbgPrint("CreateCaret() for window 0x%x failed!\n", hWnd);
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else
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if(!ShowCaret(hWnd))
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DbgPrint("ShowCaret(0x%x)\n", hWnd);
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break;
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case WM_LBUTTONDOWN:
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if(!CreateCaret(hWnd, (HBITMAP)0, CaretWidth, CaretHeight))
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DbgPrint("CreateCaret() for window 0x%x failed!\n", hWnd);
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else
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if(!ShowCaret(hWnd))
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DbgPrint("ShowCaret(0x%x)\n", hWnd);
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break;
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case WM_CREATE:
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if(!CreateCaret(hWnd, (HBITMAP)0, CaretWidth, CaretHeight))
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DbgPrint("CreateCaret() for window 0x%x failed!\n", hWnd);
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else
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if(!SetCaretPos(1, 1))
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DbgPrint("SetCaretPos(%i, %i) failed!\n", 1, 1);
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break;
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case WM_DESTROY:
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if(!DestroyCaret())
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DbgPrint("DestroyCaret() failed!\n");
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PostQuitMessage(0);
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break;
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default:
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return DefWindowProc(hWnd, msg, wParam, lParam);
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}
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return 0;
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}
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