mirror of
https://github.com/brain-hackers/brain-essential.git
synced 2024-11-18 03:20:07 +09:00
148 lines
3.7 KiB
C++
148 lines
3.7 KiB
C++
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#include "kncecomm.h"
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#include <string>
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#include <windows.h>
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#ifdef UNICODE
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namespace std { typedef wstring tstring; }
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#else
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namespace std { typedef string tstring; }
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#endif
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using namespace std;
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enum {
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MESSAGE_MARGIN = 25
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};
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static LRESULT CALLBACK wndProc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp);
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static void onCreate(HWND hWnd, CREATESTRUCT *createStruct);
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static void onDestroy(HWND hWnd);
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static void onPaint(HWND hWnd, HDC hDC);
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static void changeWindowLayout(HWND hWnd);
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extern HINSTANCE g_hInstance;
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struct WaitBoxData {
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tstring message;
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};
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void registerWaitBoxClass() {
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WNDCLASS windowClass;
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memset(&windowClass, 0, sizeof(WNDCLASS));
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windowClass.lpfnWndProc = wndProc;
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windowClass.hInstance = g_hInstance;
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windowClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
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windowClass.lpszClassName = _T("KNCommonLibWaitBox");
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RegisterClass(&windowClass);
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}
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void unregisterWaitBoxClass() {
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UnregisterClass(_T("KNCommonLibWaitBox"), g_hInstance);
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}
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HWND createWaitBox(HWND hOwnerWindow, const tstring &msg) {
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HWND hWnd = CreateWindowEx(
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0,
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_T("KNCommonLibWaitBox"), _T(""),
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WS_POPUP | WS_BORDER,
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CW_USEDEFAULT, CW_USEDEFAULT,
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CW_USEDEFAULT, CW_USEDEFAULT,
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hOwnerWindow, NULL, g_hInstance, (void *)&msg);
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ShowWindow(hWnd, SW_SHOW);
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UpdateWindow(hWnd);
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return hWnd;
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}
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void destroyWaitBox(HWND hWnd) {
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SendMessage(hWnd, WM_CLOSE, 0, 0);
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}
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static LRESULT CALLBACK wndProc(HWND hWnd, UINT msg, WPARAM wParam,
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LPARAM lParam) {
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switch (msg) {
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case WM_CREATE:
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onCreate(hWnd, (CREATESTRUCT *)lParam);
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return 0;
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case WM_DESTROY:
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onDestroy(hWnd);
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return 0;
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case WM_COMMAND:
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{
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int id = LOWORD(wParam);
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int event = HIWORD(wParam);
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//switch (id) {
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//}
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return 0;
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}
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case WM_PAINT:
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{
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PAINTSTRUCT paintStruct;
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HDC hDC = BeginPaint(hWnd, &paintStruct);
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onPaint(hWnd, hDC);
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EndPaint(hWnd, &paintStruct);
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return 0;
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}
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}
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return DefWindowProc(hWnd, msg, wParam, lParam);
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}
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static void onCreate(HWND hWnd, CREATESTRUCT *createStruct) {
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WaitBoxData *data = new WaitBoxData();
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SetWindowLong(hWnd, GWL_USERDATA, (long)data);
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data->message = *(const tstring *)createStruct->lpCreateParams;
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if (data->message.empty())
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data->message = _T("Please wait...");
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changeWindowLayout(hWnd);
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}
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static void onDestroy(HWND hWnd) {
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WaitBoxData *data = (WaitBoxData *)GetWindowLong(hWnd, GWL_USERDATA);
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delete data;
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}
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static void onPaint(HWND hWnd, HDC hDC) {
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WaitBoxData *data = (WaitBoxData *)GetWindowLong(hWnd, GWL_USERDATA);
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int prevBkMode = SetBkMode(hDC, TRANSPARENT);
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ExtTextOut(hDC, MESSAGE_MARGIN, MESSAGE_MARGIN, 0, NULL,
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data->message.c_str(), data->message.size(), NULL);
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SetBkMode(hDC, prevBkMode);
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}
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static void changeWindowLayout(HWND hWnd) {
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WaitBoxData *data = (WaitBoxData *)GetWindowLong(hWnd, GWL_USERDATA);
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HDC hDC = GetDC(hWnd);
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SIZE textSize;
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GetTextExtentExPointW(hDC, data->message.c_str(), data->message.size(), 0,
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NULL, NULL, &textSize);
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ReleaseDC(hWnd, hDC);
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int windowWidth = textSize.cx + MESSAGE_MARGIN * 2 + 2;
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int windowHeight = textSize.cy + MESSAGE_MARGIN * 2 + 2;
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RECT desktopRect;
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HWND hDesktop = GetDesktopWindow();
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GetWindowRect(hDesktop, &desktopRect);
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MoveWindow(hWnd, (desktopRect.right - windowWidth) / 2,
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(desktopRect.bottom - windowHeight) / 2, windowWidth, windowHeight,
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false);
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}
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