1 // Copyright 2002 Adam Megacz, see the COPYING file for licensing [LGPL]
4 // we have to do this because the jpeg libraries use the symbol 'INT32'
5 #define INT32 WIN32_INT32
7 // this has to precede the others so we don't get collisions on min/max
8 #include <org/xwt/Box.h>
23 #include <java/lang/Integer.h>
24 #include <java/util/Hashtable.h>
25 #include <org/xwt/Box.h>
26 #include <org/xwt/Surface.h>
27 #include <org/xwt/PixelBuffer.h>
28 #include <org/xwt/Picture.h>
29 #include <org/xwt/ByteStream.h>
30 #include <org/xwt/Platform.h>
31 #include <org/xwt/plat/Win32.h>
32 #include <org/xwt/plat/Win32$Win32Surface.h>
33 #include <org/xwt/plat/Win32$Win32PixelBuffer.h>
34 #include <org/xwt/plat/Win32$Win32Picture.h>
35 #include <org/xwt/util/Log.h>
36 #include <org/xwt/util/Semaphore.h>
39 #include <java/lang/System.h>
40 #include <java/io/PrintStream.h>
42 #define WM_USER_SETCURSOR WM_USER
43 #define WM_USER_DISPOSE (WM_USER + 1)
44 #define WM_USER_CREATEWINDOW (WM_USER + 2)
45 #define WS_NORMAL (WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX)
47 // FEATURE: there are lots of places where HANDLE's get casted to jint's -- this will break on Win64
48 // a clean way to do this would be to '#define jraw (gnu::gcj::RawData*)'
50 // Callbacks ////////////////////////////////////////////////////////////////////
52 LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam) {
53 org::xwt::plat::Win32$Win32Surface* surface =
54 (org::xwt::plat::Win32$Win32Surface*)org::xwt::plat::Win32::hwndToWin32SurfaceMap->get(new java::lang::Integer((jint)hwnd));
56 if (surface != NULL) {
57 return (LRESULT)surface->WndProc((jint)hwnd, (jint)iMsg, (jint)wParam, (jint)lParam);
60 // this is really lame -- Win32 insists on being able to call your WndProc BEFORE CreateWindow returns...
61 return DefWindowProc(hwnd, iMsg, wParam, lParam);
66 // Initialization ////////////////////////////////////////////////////////////////////
68 static int window_class_counter = 0;
70 jstring org::xwt::plat::Win32::getTempPath() {
72 DWORD ret = GetTempPath(1024, buf);
73 if (ret == 0) criticalAbort(JvNewStringLatin1("GetTempPath() failed"));
74 return JvNewStringLatin1(buf);
77 // XOR mask for the hand cursor
78 static unsigned char hand_cursor_xor[32 * 4] = {
79 0x00, 0x00, 0x00, 0x00,
80 0x00, 0x0C, 0x00, 0x00,
81 0x00, 0x0C, 0x00, 0x00,
82 0x00, 0x0C, 0x00, 0x00,
83 0x00, 0x0C, 0x00, 0x00,
84 0x00, 0x0C, 0x00, 0x00,
85 0x00, 0x0D, 0x80, 0x00,
86 0x00, 0x0D, 0xB0, 0x00,
87 0x00, 0x0D, 0xB4, 0x00,
88 0x00, 0x0D, 0xB6, 0x00,
89 0x00, 0xCF, 0xF6, 0x00,
90 0x00, 0xEF, 0xFE, 0x00,
91 0x00, 0x6F, 0xFE, 0x00,
92 0x00, 0x2F, 0xFE, 0x00,
93 0x00, 0x3F, 0xFE, 0x00,
94 0x00, 0x1F, 0xFE, 0x00,
95 0x00, 0x1F, 0xFC, 0x00,
96 0x00, 0x0F, 0xFC, 0x00,
97 0x00, 0x0F, 0xFC, 0x00,
98 0x00, 0x07, 0xF8, 0x00,
99 0x00, 0x07, 0xF8, 0x00,
100 0x00, 0x00, 0x00, 0x00,
101 0x00, 0x00, 0x00, 0x00,
102 0x00, 0x00, 0x00, 0x00,
103 0x00, 0x00, 0x00, 0x00,
104 0x00, 0x00, 0x00, 0x00,
105 0x00, 0x00, 0x00, 0x00,
106 0x00, 0x00, 0x00, 0x00,
107 0x00, 0x00, 0x00, 0x00,
108 0x00, 0x00, 0x00, 0x00,
109 0x00, 0x00, 0x00, 0x00,
110 0x00, 0x00, 0x00, 0x00
113 // AND mask for the hand cursor
114 static unsigned char hand_cursor_and[32 * 4] = {
115 0xFF, 0xF3, 0xFF, 0xFF,
116 0xFF, 0xE1, 0xFF, 0xFF,
117 0xFF, 0xE1, 0xFF, 0xFF,
118 0xFF, 0xE1, 0xFF, 0xFF,
119 0xFF, 0xE1, 0xFF, 0xFF,
120 0xFF, 0xE0, 0x7F, 0xFF,
121 0xFF, 0xE0, 0x0F, 0xFF,
122 0xFF, 0xE0, 0x03, 0xFF,
123 0xFF, 0xE0, 0x01, 0xFF,
124 0xFF, 0x20, 0x00, 0xFF,
125 0xFE, 0x00, 0x00, 0xFF,
126 0xFE, 0x00, 0x00, 0xFF,
127 0xFF, 0x00, 0x00, 0xFF,
128 0xFF, 0x80, 0x00, 0xFF,
129 0xFF, 0x80, 0x00, 0xFF,
130 0xFF, 0xC0, 0x00, 0xFF,
131 0xFF, 0xC0, 0x01, 0xFF,
132 0xFF, 0xE0, 0x01, 0xFF,
133 0xFF, 0xE0, 0x01, 0xFF,
134 0xFF, 0xF0, 0x03, 0xFF,
135 0xFF, 0xF0, 0x03, 0xFF,
136 0xFF, 0xF0, 0x03, 0xFF,
137 0xFF, 0xFF, 0xFF, 0xFF,
138 0xFF, 0xFF, 0xFF, 0xFF,
139 0xFF, 0xFF, 0xFF, 0xFF,
140 0xFF, 0xFF, 0xFF, 0xFF,
141 0xFF, 0xFF, 0xFF, 0xFF,
142 0xFF, 0xFF, 0xFF, 0xFF,
143 0xFF, 0xFF, 0xFF, 0xFF,
144 0xFF, 0xFF, 0xFF, 0xFF,
145 0xFF, 0xFF, 0xFF, 0xFF,
146 0xFF, 0xFF, 0xFF, 0xFF
150 void org::xwt::plat::Win32::natInit() {
152 // grab desktop dc/handle
153 desktop_handle = (jint)GetDesktopWindow();
154 desktop_dc = (jint)GetDC((HWND)desktop_handle);
157 org::xwt::plat::Win32::wait_cursor = (jint)LoadCursor(NULL, IDC_WAIT);
158 org::xwt::plat::Win32::default_cursor = (jint)LoadCursor(NULL, IDC_ARROW);
159 org::xwt::plat::Win32::crosshair_cursor = (jint)LoadCursor(NULL, IDC_CROSS);
160 org::xwt::plat::Win32::text_cursor = (jint)LoadCursor(NULL, IDC_IBEAM);
161 org::xwt::plat::Win32::move_cursor = (jint)LoadCursor(NULL, IDC_SIZEALL);
162 org::xwt::plat::Win32::sizenesw_cursor = (jint)LoadCursor(NULL, IDC_SIZENESW);
163 org::xwt::plat::Win32::sizens_cursor = (jint)LoadCursor(NULL, IDC_SIZENS);
164 org::xwt::plat::Win32::sizenwse_cursor = (jint)LoadCursor(NULL, IDC_SIZENWSE);
165 org::xwt::plat::Win32::sizewe_cursor = (jint)LoadCursor(NULL, IDC_SIZEWE);
166 org::xwt::plat::Win32::hand_cursor = (jint)CreateCursor(GetModuleHandle(NULL), 14, 1, 32, 32, hand_cursor_and, hand_cursor_xor);
168 messagePumpThread = (jint)GetCurrentThreadId();
169 messagePumpStarted->release();
172 while(GetMessage(&msg, (HWND)NULL, 0, 0) > 0) {
174 if (msg.message == WM_USER_CREATEWINDOW) {
175 org::xwt::plat::Win32$Win32Surface *surface = (org::xwt::plat::Win32$Win32Surface*)msg.lParam;
177 // we must create a unique window class name for each
178 // window so that minimization icons can be set independantly
180 sprintf(buf, "XWT_WINDOW_CLASS_%i", window_class_counter++);
183 wc.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
184 wc.lpfnWndProc = WndProc;
186 wc.cbSize = sizeof(WNDCLASSEX);
188 wc.hInstance = GetModuleHandle(NULL);
192 wc.hbrBackground = (HBRUSH)(COLOR_SCROLLBAR + 1);
193 wc.lpszMenuName = NULL;
194 wc.lpszClassName = buf;
195 RegisterClassEx(&wc);
197 surface->hwnd = (jint)CreateWindow(wc.lpszClassName, TEXT(""), msg.wParam ? WS_NORMAL : WS_POPUP, 200, 200, 100, 100,
198 (HWND__*)NULL, (HMENU__*)NULL, GetModuleHandle(NULL), (LPVOID)NULL);
199 SetFocus((HWND)surface->hwnd);
200 surface->hwndCreated->release();
203 TranslateMessage(&msg);
204 if (msg.message == WM_LBUTTONDOWN || msg.message == WM_RBUTTONDOWN || msg.message == WM_MBUTTONDOWN) SetFocus(msg.hwnd);
205 DispatchMessage(&msg);
209 java::lang::System::exit(-1);
213 // Platform Methods ///////////////////////////////////////////////////////////////////
215 jstring org::xwt::plat::Win32::_getEnv(jstring key) {
216 int len = JvGetStringUTFLength(key);
218 JvGetStringUTFRegion(key, 0, len, buf);
221 DWORD ret = GetEnvironmentVariable(buf, buf2, 1024);
222 if (ret > 0 && ret < 1024) return JvNewStringLatin1(buf2);
226 jstring org::xwt::plat::Win32::_fileDialog(jstring suggestedFileName, jboolean write) {
230 memset(buf, 0, 1024);
231 memset(&ofn, 0, sizeof(OPENFILENAME));
233 if (suggestedFileName != NULL)
234 JvGetStringUTFRegion(suggestedFileName, 0, min(1023, JvGetStringUTFLength(suggestedFileName)), buf);
236 ofn.lStructSize = sizeof(OPENFILENAME);
237 ofn.nMaxCustFilter = 0;
241 if (write) ofn.Flags |= OFN_OVERWRITEPROMPT;
242 ofn.Flags |= OFN_HIDEREADONLY;
244 int ret = write ? GetSaveFileName(&ofn) : GetOpenFileName(&ofn);
245 return ret == 0 ? NULL : JvNewStringLatin1(buf);
248 void org::xwt::plat::Win32::__detectProxy(JArray<jstring>* container) {
254 LONG result = RegOpenKey(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings", &hkey);
255 if (result != ERROR_SUCCESS) return;
260 result = RegQueryValueEx(hkey, "AutoConfigURL", NULL, &type, (LPBYTE)buf, &buflen);
262 if (result == ERROR_SUCCESS) elements(container)[2] = JvNewStringLatin1(buf);
266 RegQueryValueEx(hkey, "ProxyEnable", NULL, &type, (LPBYTE)buf, &buflen);
267 if (buf[0] != 1) return;
272 RegQueryValueEx(hkey, "ProxyServer", NULL, &type, (LPBYTE)buf, &buflen);
274 elements(container)[0] = JvNewStringLatin1(buf);
278 RegQueryValueEx(hkey, "ProxyOverride", NULL, &type, (LPBYTE)buf, &buflen);
280 elements(container)[1] = JvNewStringLatin1(buf);
283 jstring org::xwt::plat::Win32::_getClipBoard() {
284 OpenClipboard((HWND)desktop_handle);
285 HGLOBAL hmem = GetClipboardData(CF_TEXT);
286 if (hmem == NULL) return NULL;
287 char* buf = (char*)GlobalLock(hmem);
288 if (buf == NULL) return NULL;
289 jstring ret = JvNewStringLatin1(buf);
295 void org::xwt::plat::Win32::_setClipBoard(jstring s) {
296 OpenClipboard((HWND)desktop_handle);
297 HGLOBAL hmem = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, JvGetStringUTFLength(s) + 1);
298 if (hmem == NULL) return;
299 char* buf = (char*)GlobalLock(hmem);
300 if (buf == NULL) return;
301 JvGetStringUTFRegion(s, 0, JvGetStringUTFLength(s), buf);
302 buf[JvGetStringUTFLength(s)] = '\0';
304 SetClipboardData(CF_TEXT, hmem);
308 void org::xwt::plat::Win32::_criticalAbort(jstring message) {
309 char buf[JvGetStringUTFLength(message) + 1];
310 buf[JvGetStringUTFLength(message)] = '\0';
311 JvGetStringUTFRegion(message, 0, JvGetStringUTFLength(message), buf);
312 MessageBox (NULL, buf, "XWT Cannot Continue", MB_OK | MB_ICONSTOP | MB_TASKMODAL | MB_SETFOREGROUND);
313 java::lang::System::exit(-1);
316 jint org::xwt::plat::Win32::_getScreenWidth() {
318 SystemParametersInfo(SPI_GETWORKAREA, 0, &rect, 0);
319 return rect.right - rect.left;
322 jint org::xwt::plat::Win32::_getScreenHeight() {
324 SystemParametersInfo(SPI_GETWORKAREA, 0, &rect, 0);
325 return rect.bottom - rect.top;
328 jboolean org::xwt::plat::Win32::_newBrowserWindow_(jstring url) {
330 int len = min(2048, JvGetStringUTFLength(url));
332 JvGetStringUTFRegion(url, 0, len, buf);
336 memset(&ei, 0, sizeof(ei));
337 ei.cbSize = sizeof(ei);
340 ei.fMask = SEE_MASK_NOCLOSEPROCESS;
341 ei.nShow = SW_SHOWDEFAULT;
342 return (ShellExecuteEx(&ei) == 0);
347 // Win32PixelBuffer /////////////////////////////////////////////////////////////////////////
349 // This is a scratch area; when blitting a translucent image, we copy the underlying data here first.
350 // Since all drawing operations are single-threaded, it's safe to use a global here.
351 static HBITMAP scratch = NULL;
352 static HDC scratch_dc = NULL;
353 static jint* scratch_bits = NULL;
354 static jint scratch_w = 0;
355 static jint scratch_h = 0;
357 #define BLT(dest, dx1, dy1, dx2, dy2, src, sx1, sy1, sx2, sy2, op) \
358 if ((dx2 - dx1 == sx2 - sx1) && (dy2 - dy1 == sy2 - sy1)) \
359 BitBlt(dest, dx1, dy1, dx2 - dx1, dy2 - dy1, src, sx1, sy1, op); \
361 StretchBlt(dest, dx1, dy1, dx2 - dx1, dy2 - dy1, src, sx1, sy1, sx2 - sx1, sy2 - sy1, op);
363 void org::xwt::plat::Win32$Win32PixelBuffer::drawPicture(org::xwt::Picture* source0,
364 jint dx1, jint dy1, jint dx2, jint dy2,
365 jint sx1, jint sy1, jint sx2, jint sy2) {
366 org::xwt::plat::Win32$Win32Picture* source = (org::xwt::plat::Win32$Win32Picture*)source0;
368 if (source->hasalpha) {
370 if (scratch == NULL || scratch_w < dx2 - dx1 || scratch_h < dy2 - dy1) {
371 if (scratch_dc != NULL) DeleteDC(scratch_dc);
372 if (scratch != NULL) DeleteObject(scratch);
373 scratch_w = max(dx2 - dx1, scratch_w);
374 scratch_h = max(dy2 - dy1, scratch_h);
376 BITMAPINFO bitmapinfo;
377 memset(&bitmapinfo, 0, sizeof(BITMAPINFO));
378 bitmapinfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
379 bitmapinfo.bmiHeader.biWidth = scratch_w;
380 bitmapinfo.bmiHeader.biHeight = -1 * scratch_h;
381 bitmapinfo.bmiHeader.biPlanes = 1;
382 bitmapinfo.bmiHeader.biBitCount = 32;
383 bitmapinfo.bmiHeader.biCompression = BI_RGB;
385 // create section DIB
386 scratch = CreateDIBSection(NULL, &bitmapinfo, DIB_RGB_COLORS, (void**)&scratch_bits, NULL, 0);
387 scratch_dc = CreateCompatibleDC((HDC)org::xwt::plat::Win32::desktop_dc);
388 SelectObject(scratch_dc, scratch);
391 // copy from screen to scratch
392 BitBlt((HDC)scratch_dc, 0, 0, dx2 - dx1, dy2 - dy1, (HDC)hdc, dx1, dy1, SRCCOPY);
394 // apply alpha-blending to scratch
395 jint* dat = elements(source->data);
397 for(int x = max(clipx1, dx1) - dx1; x < min(clipx2, dx2) - dx1; x++)
398 for(int y = max(clipy1, dy1) - dy1; y < min(clipy2, dy2) - dy1; y++) {
399 int sx = (x * (sx2 - sx1)) / (dx2 - dx1) + sx1;
400 int sy = (y * (sy2 - sy1)) / (dy2 - dy1) + sy1;
401 jint dst = scratch_bits[y * scratch_w + x];
402 jint src = dat[sy * source->getWidth() + sx];
403 jint alpha = (src & 0xFF000000) >> 24;
404 jint r = (((src & 0x00FF0000) >> 16) * alpha + ((dst & 0x00FF0000) >> 16) * (0xFF - alpha)) / 0xFF;
405 jint g = (((src & 0x0000FF00) >> 8) * alpha + ((dst & 0x0000FF00) >> 8) * (0xFF - alpha)) / 0xFF;
406 jint b = (((src & 0x000000FF)) * alpha + ((dst & 0x000000FF)) * (0xFF - alpha)) / 0xFF;
407 scratch_bits[y * scratch_w + x] = (r << 16) | (g << 8) | b;
410 // copy back from scratch to screen
411 BitBlt((HDC)hdc, dx1, dy1, dx2 - dx1, dy2 - dy1, (HDC)scratch_dc, 0, 0, SRCCOPY);
414 if (source->hasmask) {
415 BLT((HDC)hdc, dx1, dy1, dx2, dy2, (HDC)source->maskdc, sx1, sy1, sx2, sy2, SRCAND);
416 BLT((HDC)hdc, dx1, dy1, dx2, dy2, (HDC)source->hdc, sx1, sy1, sx2, sy2, SRCPAINT);
418 BLT((HDC)hdc, dx1, dy1, dx2, dy2, (HDC)source->hdc, sx1, sy1, sx2, sy2, SRCCOPY);
425 void org::xwt::plat::Win32$Win32PixelBuffer::fillRect(jint x, jint y, jint x2, jint y2, jint color) {
429 // sadly, the ability to change the color of a brush didn't arrive until Win2k...
430 HBRUSH brush = CreateSolidBrush(PALETTERGB((color & 0xFF0000) >> 16, (color & 0xFF00) >> 8, color & 0xFF));
432 RECT rect = { x, y, x + w, y + h };
433 FillRect((HDC)hdc, &rect, brush);
437 void org::xwt::plat::Win32$Win32Surface::blit(org::xwt::PixelBuffer* s, jint sx, jint sy, jint dx, jint dy, jint dx2, jint dy2) {
438 // we create the DC lazily to get around some strange race condition in WinXP
439 if (hdc == 0) hdc = (jint)GetDC((HWND)hwnd);
440 BitBlt((HDC)hdc, dx, dy, dx2 - dx, dy2 - dy, (HDC)(((org::xwt::plat::Win32$Win32PixelBuffer*)s)->hdc), sx, sy, SRCCOPY);
443 void org::xwt::plat::Win32$Win32PixelBuffer::natInit() {
444 hbitmap = (jint)CreateCompatibleBitmap((HDC)org::xwt::plat::Win32::desktop_dc, w, h);
445 hdc = (jint)CreateCompatibleDC((HDC)org::xwt::plat::Win32::desktop_dc);
446 SetBkMode((HDC)hdc, TRANSPARENT);
447 SelectObject((HDC)hdc, (HBITMAP)hbitmap);
450 void org::xwt::plat::Win32$Win32PixelBuffer::setClip(jint x, jint y, jint x2, jint y2) {
451 clipx1 = x; clipx2 = x2; clipy1 = y; clipy2 = y2;
452 HRGN hrgn = CreateRectRgn(x, y, x2, y2);
453 SelectClipRgn((HDC)hdc, hrgn);
457 void org::xwt::plat::Win32$Win32PixelBuffer::finalize() {
458 DeleteObject((void*)hdc);
459 DeleteObject((void*)hbitmap);
464 // Win32Picture /////////////////////////////////////////////////////////////////////////
466 void org::xwt::plat::Win32$Win32Picture::natInit() {
468 BITMAPINFO bitmapinfo;
469 memset(&bitmapinfo, 0, sizeof(BITMAPINFO));
470 bitmapinfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
471 bitmapinfo.bmiHeader.biWidth = w;
472 bitmapinfo.bmiHeader.biHeight = -1 * h;
473 bitmapinfo.bmiHeader.biPlanes = 1;
474 bitmapinfo.bmiHeader.biBitCount = 32;
475 bitmapinfo.bmiHeader.biCompression = BI_RGB;
477 hbitmap = (jint)CreateCompatibleBitmap((HDC)org::xwt::plat::Win32::desktop_dc, w, h);
478 hdc = (jint)CreateCompatibleDC((HDC)org::xwt::plat::Win32::desktop_dc);
479 SelectObject((HDC)hdc, (HBITMAP)hbitmap);
480 uint32_t* dat = (uint32_t*)elements(data);
481 for(int i=0; i<data->length; i++) if ((dat[i] & 0xFF000000) == 0x00000000) dat[i] = 0x00000000;
482 StretchDIBits((HDC)hdc, 0, 0, w, h, 0, 0, w, h, elements(data), &bitmapinfo, DIB_RGB_COLORS, SRCCOPY);
484 jint _copy[min(1024, data->length)];
485 jint* copy = data->length > 1024 ? (jint*)malloc(data->length * 4) : _copy;
487 memcpy(copy, elements(data), data->length * 4);
488 for(int i=0; i<data->length; i++)
489 if ((copy[i] & 0xFF000000) == 0x00000000) {
491 copy[i] = 0x00FFFFFF;
492 } else if ((copy[i] & 0xFF000000) == 0xFF000000) {
493 copy[i] = 0x00000000;
497 if (data->length > 1024) free(copy);
502 if (data->length > 1024) free(copy);
506 // hmask = (jint)CreateBitmap(w, h, 1, 1, NULL);
507 hmask = (jint)CreateCompatibleBitmap((HDC)org::xwt::plat::Win32::desktop_dc, w, h);
508 maskdc = (jint)CreateCompatibleDC(NULL);
509 SelectObject((HDC)maskdc, (HBITMAP)hmask);
510 StretchDIBits((HDC)maskdc, 0, 0, w, h, 0, 0, w, h, copy, &bitmapinfo, DIB_RGB_COLORS, SRCCOPY);
511 if (data->length > 1024) free(copy);
516 // Win32Surface /////////////////////////////////////////////////////////////////////////////
518 void org::xwt::plat::Win32$Win32Surface::natInit(jboolean framed) {
520 // Ask the message-handling thread to create a window for us
521 PostThreadMessage((DWORD)org::xwt::plat::Win32::messagePumpThread, WM_USER + 2, (WPARAM)framed, (LPARAM)this);
522 hwndCreated->block();
524 // turn on incremental GC now that we have a user-visible interface
525 // [[this is causing segfaults; enable it later...]]
526 // GC_enable_incremental();
528 ShowWindow ((HWND)hwnd, SW_SHOWDEFAULT);
531 void org::xwt::plat::Win32$Win32Surface::finalize() { /* DeleteObject((void*)hwnd); */ }
532 void org::xwt::plat::Win32$Win32Surface::toFront() { BringWindowToTop((HWND)hwnd); }
533 void org::xwt::plat::Win32$Win32Surface::toBack() { SetWindowPos((HWND)hwnd, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE); }
534 void org::xwt::plat::Win32$Win32Surface::_dispose() { PostMessage((HWND)hwnd, WM_USER_DISPOSE, 0, 0); }
535 void org::xwt::plat::Win32$Win32Surface::setInvisible(jboolean h) { ShowWindow((HWND)hwnd, h ? SW_HIDE : SW_SHOWNORMAL); }
536 void org::xwt::plat::Win32$Win32Surface::_setMinimized(jboolean m) { ShowWindow((HWND)hwnd, m ? SW_SHOWMINIMIZED : SW_SHOWNORMAL); }
537 void org::xwt::plat::Win32$Win32Surface::_setMaximized(jboolean m) { ShowWindow((HWND)hwnd, m ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL); }
538 void org::xwt::plat::Win32$Win32Surface::postCursorChange() { PostMessage((HWND)hwnd, WM_USER_SETCURSOR, 0, 0); }
540 void org::xwt::plat::Win32$Win32Surface::setLocation() {
545 ClientToScreen((HWND)hwnd, &point);
546 GetWindowRect((HWND)hwnd, &rect);
547 SetWindowPos((HWND)hwnd, NULL, root->x - (point.x - rect.left), root->y - (point.y - rect.top), 0, 0, SWP_NOZORDER | SWP_NOSIZE);
550 void org::xwt::plat::Win32$Win32Surface::setSize(jint w, jint h) {
551 RECT client_rect, window_rect;
552 GetClientRect((HWND)hwnd, &client_rect);
553 GetWindowRect((HWND)hwnd, &window_rect);
554 int width = (window_rect.right - window_rect.left) - (client_rect.right - client_rect.left) + w;
555 int height = (window_rect.bottom - window_rect.top) - (client_rect.bottom - client_rect.top) + h;
556 SetWindowPos((HWND)hwnd, NULL, 0, 0, width, height, SWP_NOZORDER | SWP_NOMOVE);
559 void org::xwt::plat::Win32$Win32Surface::setTitleBarText(java::lang::String* title) {
560 int len = min(1024, JvGetStringUTFLength(title));
563 JvGetStringUTFRegion(title, 0, len, buf);
564 SetWindowText((HWND)hwnd, buf);
567 void org::xwt::plat::Win32$Win32Surface::setIcon(org::xwt::Picture* p0) {
569 org::xwt::plat::Win32$Win32Picture* p = (org::xwt::plat::Win32$Win32Picture*)p0;
570 int icon_width = GetSystemMetrics(SM_CXSMICON);
571 int icon_height = GetSystemMetrics(SM_CYSMICON);
573 // we create the DC lazily to get around some strange race condition in WinXP
574 if (hdc == 0) hdc = (jint)GetDC((HWND)hwnd);
577 HBITMAP bit = CreateCompatibleBitmap((HDC)hdc, icon_width, icon_height);
578 HDC memdc = CreateCompatibleDC((HDC)hdc);
579 SelectObject(memdc, bit);
580 BLT((HDC)memdc, 0, 0, icon_width, icon_height, (HDC)(p->hdc), 0, 0, p->getWidth(), p->getHeight(), SRCCOPY);
583 jint* dat = elements(p->data);
584 HBITMAP bit_mask = CreateBitmap(icon_width, icon_height * 2, 1, 1, NULL);
585 SelectObject(memdc, bit_mask);
586 for(int x=0; x<icon_width; x++)
587 for(int y=0; y<icon_height; y++) {
588 int source = dat[(x * p->getWidth()) / icon_width + ((y * p->getHeight()) / icon_height) * (p->getWidth())];
589 if ((source & 0xFF000000) != 0x00000000) SetPixel(memdc, x, y, PALETTERGB(0, 0, 0));
590 else SetPixel(memdc, x, y, PALETTERGB(255, 255, 255));
593 // instantiate the icon and assign it to the window class
596 ici.hbmMask = bit_mask;
598 HICON hicon = CreateIconIndirect(&ici);
599 HICON oldicon = (HICON)SetClassLong((HWND)hwnd, GCL_HICONSM, (LONG)hicon);
600 if (oldicon != NULL) DestroyIcon(oldicon);
604 static jstring keyToString(WPARAM wParam);
605 jint org::xwt::plat::Win32$Win32Surface::WndProc(jint _hwnd, jint _iMsg, jint _wParam, jint _lParam) {
607 UINT iMsg = (UINT)_iMsg;
608 WPARAM wParam = (WPARAM)_wParam;
609 LPARAM lParam = (LPARAM)_lParam;
611 int oldmousex, oldmousey;
616 RECT client_rect, window_rect;
620 int addwidth, addheight;
623 case WM_DEVMODECHANGE: break; // FEATURE: color depth changed
624 case WM_DISPLAYCHANGE: break; // FEATURE: screen size changed
625 case WM_MOUSEWHEEL: break; // FEATURE: Mouse Wheel
627 case WM_SYSKEYDOWN: if (GetKeyState(VK_MENU) >> (sizeof(SHORT) * 8 - 1) == 0) return 0;
629 KeyPressed(keyToString(wParam));
632 case WM_SYSKEYUP: if (GetKeyState(VK_MENU) >> (sizeof(SHORT) * 8 - 1) == 0) return 0;
634 KeyReleased(keyToString(wParam));
637 case WM_SETFOCUS: Focused(true); return 0;
638 case WM_KILLFOCUS: Focused(false); return 0;
639 case WM_LBUTTONDBLCLK: DoubleClick(1); return 0;
640 case WM_RBUTTONDBLCLK: DoubleClick(2); return 0;
641 case WM_MBUTTONDBLCLK: DoubleClick(3); return 0;
642 case WM_LBUTTONDOWN: Press(1); return 0;
643 case WM_RBUTTONDOWN: Press(2); return 0;
644 case WM_MBUTTONDOWN: Press(3); return 0;
645 case WM_CLOSE: Close(); return 0;
646 case WM_ERASEBKGND: return 0;
651 Release(iMsg == WM_LBUTTONUP ? 1 : (iMsg == WM_RBUTTONUP ? 2 : 3));
652 if (captured && !inside) {
654 SetCursor((HCURSOR)previous_cursor);
659 GetClientRect((HWND)hwnd, &rect);
660 PosChange(rect.left, rect.top);
664 if (wParam == SIZE_MINIMIZED) {
665 if (maximized) Maximized(false);
667 } else if (wParam == SIZE_MAXIMIZED) {
668 if (minimized) Minimized(false);
671 if (minimized) Minimized(false);
672 if (maximized) Maximized(false);
674 // deliberately fall through to WM_SIZING
677 GetClientRect((HWND)hwnd, &rect);
678 SizeChange(rect.right - rect.left, rect.bottom - rect.top);
682 if (mousex == lParam & 0xFFFF && mousey == (lParam & 0xFFFF0000) >> 16) return 0;
684 GetClientRect((HWND)hwnd, &rect);
685 point.x = mouse_x = lParam & 0xFFFF;
686 point.y = mouse_y = (lParam & 0xFFFF0000) >> 16;
687 ClientToScreen((HWND)hwnd, &point);
688 hwnd2 = WindowFromPoint(point);
690 newinside = hwnd2 == (HWND)hwnd && mouse_x > 0 && mouse_y > 0 && mouse_x < (rect.right - rect.left) && mouse_y < (rect.bottom - rect.top) ? 1 : 0;
692 Move(mouse_x, mouse_y);
694 if (newinside && !inside) {
696 SetCapture((HWND)hwnd);
698 previous_cursor = (jint)GetCursor();
699 PostMessage((HWND)hwnd, WM_USER_SETCURSOR, 0, 0);
701 } else if (!newinside && inside) {
703 if (!button1 && !button2 && !button3) {
706 SetCursor((HCURSOR)previous_cursor);
712 case WM_USER_SETCURSOR:
713 // I can't find documentation of this anywhere, but in my experience, an event must be received between an invocation
714 // of SetCapture() and SetCursor(). Furthermore, it seems that after calling SetCursor(), the cursor will not change until a
715 // return from WndProc (ie the completion of the processing of some event). Hence, we use WM_USER to indicate that the screen
716 // cursor should be re-set to "current_cursor".
717 SetCursor((HCURSOR)current_cursor);
720 case WM_USER_DISPOSE:
721 // used to signal that we should destroy ourselves
722 DestroyWindow((HWND)hwnd);
725 case WM_GETMINMAXINFO:
726 GetClientRect((HWND)hwnd, &client_rect);
727 GetWindowRect((HWND)hwnd, &window_rect);
728 addwidth = (window_rect.right - window_rect.left) - (client_rect.right - client_rect.left);
729 addheight = (window_rect.bottom - window_rect.top) - (client_rect.bottom - client_rect.top);
730 mmi = (MINMAXINFO*)lParam;
731 mmi->ptMinTrackSize.x = ((uint32_t)root->minwidth) + addwidth;
732 mmi->ptMinTrackSize.y = ((uint32_t)root->minheight) + addheight;
733 mmi->ptMaxTrackSize.x = min(org::xwt::plat::Win32::getScreenWidth(), ((uint32_t)root->maxwidth) + addwidth);
734 mmi->ptMaxTrackSize.y = min(org::xwt::plat::Win32::getScreenHeight(), ((uint32_t)root->maxheight) + addheight);
739 BeginPaint((HWND)org::xwt::plat::Win32$Win32Surface::hwnd, &ps);
740 Dirty(ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right - ps.rcPaint.left, ps.rcPaint.bottom - ps.rcPaint.top);
741 EndPaint((HWND)org::xwt::plat::Win32$Win32Surface::hwnd, &ps);
747 return DefWindowProc((HWND)hwnd, iMsg, wParam, lParam);
751 // Key Translator Helper /////////////////////////////////////////////////////////////////////
753 static char keyarr [256] = { 0 };
754 static jstring keyToString(WPARAM wParam) {
756 keyarr[VK_CAPITAL] = GetKeyState(VK_CAPITAL);
757 keyarr[VK_LSHIFT] = GetKeyState(VK_LSHIFT);
758 keyarr[VK_RSHIFT] = GetKeyState(VK_RSHIFT);
759 keyarr[VK_SHIFT] = GetKeyState(VK_SHIFT);
761 if (ToAsciiEx(wParam, 0, (BYTE*)keyarr, (WORD*)arr, 0, GetKeyboardLayout(0)) == 1) {
763 case '\t': return JvNewStringLatin1("tab");
764 case 0x1b: return JvNewStringLatin1("escape");
765 case '\n': return JvNewStringLatin1("enter");
766 case '\r': return JvNewStringLatin1("enter");
767 case 0x08: return JvNewStringLatin1("back_space");
768 default: return JvNewStringLatin1(arr, 1);
771 } else switch (wParam) {
772 case VK_CLEAR: return JvNewStringLatin1("clear");
773 case VK_SHIFT: return JvNewStringLatin1("shift");
774 case VK_CONTROL: return JvNewStringLatin1("control");
775 case VK_CAPITAL: return JvNewStringLatin1("caps_lock");
776 case VK_MENU: return JvNewStringLatin1("alt");
777 case VK_PAUSE: return JvNewStringLatin1("pause");
778 case VK_PRIOR: return JvNewStringLatin1("page_up");
779 case VK_NEXT: return JvNewStringLatin1("page_down");
780 case VK_END: return JvNewStringLatin1("end");
781 case VK_HOME: return JvNewStringLatin1("home");
782 case VK_LEFT: return JvNewStringLatin1("left");
783 case VK_UP: return JvNewStringLatin1("up");
784 case VK_RIGHT: return JvNewStringLatin1("right");
785 case VK_DOWN: return JvNewStringLatin1("down");
786 case VK_INSERT: return JvNewStringLatin1("insert");
787 case VK_DELETE: return JvNewStringLatin1("delete");
788 case VK_NUMPAD0: return JvNewStringLatin1("numpad0");
789 case VK_NUMPAD1: return JvNewStringLatin1("numpad1");
790 case VK_NUMPAD2: return JvNewStringLatin1("numpad2");
791 case VK_NUMPAD3: return JvNewStringLatin1("numpad3");
792 case VK_NUMPAD4: return JvNewStringLatin1("numpad4");
793 case VK_NUMPAD5: return JvNewStringLatin1("numpad5");
794 case VK_NUMPAD6: return JvNewStringLatin1("numpad6");
795 case VK_NUMPAD7: return JvNewStringLatin1("numpad7");
796 case VK_NUMPAD8: return JvNewStringLatin1("numpad8");
797 case VK_NUMPAD9: return JvNewStringLatin1("numpad9");
798 case VK_F1: return JvNewStringLatin1("f1");
799 case VK_F2: return JvNewStringLatin1("f2");
800 case VK_F3: return JvNewStringLatin1("f3");
801 case VK_F4: return JvNewStringLatin1("f4");
802 case VK_F5: return JvNewStringLatin1("f5");
803 case VK_F6: return JvNewStringLatin1("f6");
804 case VK_F7: return JvNewStringLatin1("f7");
805 case VK_F8: return JvNewStringLatin1("f8");
806 case VK_F9: return JvNewStringLatin1("f9");
807 case VK_F10: return JvNewStringLatin1("f10");
808 case VK_F11: return JvNewStringLatin1("f11");
809 case VK_F12: return JvNewStringLatin1("f12");
810 case VK_NUMLOCK: return JvNewStringLatin1("num_lock");
811 case VK_SCROLL: return JvNewStringLatin1("scroll_lock");
812 case VK_LSHIFT: return JvNewStringLatin1("shift");
813 case VK_RSHIFT: return JvNewStringLatin1("shift");
814 case VK_LCONTROL: return JvNewStringLatin1("control");
815 case VK_RCONTROL: return JvNewStringLatin1("control");