| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: printwin.cpp |
| 3 | // Purpose: wxWindowsPrinter framework |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart and Markus Holzem |
| 9 | // Licence: wxWindows license |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // =========================================================================== |
| 13 | // declarations |
| 14 | // =========================================================================== |
| 15 | |
| 16 | // --------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // --------------------------------------------------------------------------- |
| 19 | |
| 20 | #ifdef __GNUG__ |
| 21 | #pragma implementation "printwin.h" |
| 22 | #endif |
| 23 | |
| 24 | // For compilers that support precompilation, includes "wx.h". |
| 25 | #include "wx/wxprec.h" |
| 26 | |
| 27 | #ifdef __BORLANDC__ |
| 28 | #pragma hdrstop |
| 29 | #endif |
| 30 | |
| 31 | #include "wx/defs.h" |
| 32 | |
| 33 | #if wxUSE_PRINTING_ARCHITECTURE |
| 34 | |
| 35 | #ifndef WX_PRECOMP |
| 36 | #include "wx/window.h" |
| 37 | #include "wx/msw/private.h" |
| 38 | #include "wx/utils.h" |
| 39 | #include "wx/dc.h" |
| 40 | #include "wx/app.h" |
| 41 | #include "wx/msgdlg.h" |
| 42 | #include "wx/intl.h" |
| 43 | #endif |
| 44 | |
| 45 | #include "wx/msw/printwin.h" |
| 46 | #include "wx/dcprint.h" |
| 47 | #include "wx/printdlg.h" |
| 48 | #include "wx/log.h" |
| 49 | #include "wx/msw/private.h" |
| 50 | |
| 51 | #include <stdlib.h> |
| 52 | |
| 53 | #include "wx/msw/private.h" |
| 54 | |
| 55 | #include <commdlg.h> |
| 56 | |
| 57 | #ifndef __WIN32__ |
| 58 | #include <print.h> |
| 59 | #endif |
| 60 | |
| 61 | // --------------------------------------------------------------------------- |
| 62 | // private functions |
| 63 | // --------------------------------------------------------------------------- |
| 64 | |
| 65 | LONG APIENTRY _EXPORT wxAbortProc(HDC hPr, int Code); |
| 66 | |
| 67 | // --------------------------------------------------------------------------- |
| 68 | // wxWin macros |
| 69 | // --------------------------------------------------------------------------- |
| 70 | |
| 71 | IMPLEMENT_DYNAMIC_CLASS(wxWindowsPrinter, wxPrinterBase) |
| 72 | IMPLEMENT_CLASS(wxWindowsPrintPreview, wxPrintPreviewBase) |
| 73 | |
| 74 | // =========================================================================== |
| 75 | // implementation |
| 76 | // =========================================================================== |
| 77 | |
| 78 | // --------------------------------------------------------------------------- |
| 79 | // Printer |
| 80 | // --------------------------------------------------------------------------- |
| 81 | |
| 82 | wxWindowsPrinter::wxWindowsPrinter(wxPrintDialogData *data) |
| 83 | : wxPrinterBase(data) |
| 84 | { |
| 85 | m_lpAbortProc = (WXFARPROC) MakeProcInstance((FARPROC) wxAbortProc, wxGetInstance()); |
| 86 | } |
| 87 | |
| 88 | wxWindowsPrinter::~wxWindowsPrinter() |
| 89 | { |
| 90 | // avoids warning about statement with no effect (FreeProcInstance |
| 91 | // doesn't do anything under Win32) |
| 92 | #if !defined(WIN32) && !defined(_WIN32) && !defined(__WIN32__) && !defined(__NT__) && !defined(__GNUWIN32__) |
| 93 | FreeProcInstance((FARPROC) m_lpAbortProc); |
| 94 | #endif |
| 95 | } |
| 96 | |
| 97 | bool wxWindowsPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt) |
| 98 | { |
| 99 | sm_abortIt = FALSE; |
| 100 | sm_abortWindow = NULL; |
| 101 | |
| 102 | if (!printout) |
| 103 | { |
| 104 | sm_lastError = wxPRINTER_ERROR; |
| 105 | return FALSE; |
| 106 | } |
| 107 | |
| 108 | printout->SetIsPreview(FALSE); |
| 109 | |
| 110 | // 4/9/99, JACS: this is a silly place to allow preparation, considering |
| 111 | // the DC and no parameters have been set in the printout object. |
| 112 | // Moved further down. |
| 113 | // printout->OnPreparePrinting(); |
| 114 | |
| 115 | // Get some parameters from the printout, if defined |
| 116 | int fromPage, toPage; |
| 117 | int minPage, maxPage; |
| 118 | printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage); |
| 119 | |
| 120 | if (maxPage == 0) |
| 121 | { |
| 122 | sm_lastError = wxPRINTER_ERROR; |
| 123 | return FALSE; |
| 124 | } |
| 125 | |
| 126 | m_printDialogData.SetMinPage(minPage); |
| 127 | m_printDialogData.SetMaxPage(maxPage); |
| 128 | if (fromPage != 0) |
| 129 | m_printDialogData.SetFromPage(fromPage); |
| 130 | if (toPage != 0) |
| 131 | m_printDialogData.SetToPage(toPage); |
| 132 | |
| 133 | if (minPage != 0) |
| 134 | { |
| 135 | m_printDialogData.EnablePageNumbers(TRUE); |
| 136 | if (m_printDialogData.GetFromPage() < m_printDialogData.GetMinPage()) |
| 137 | m_printDialogData.SetFromPage(m_printDialogData.GetMinPage()); |
| 138 | else if (m_printDialogData.GetFromPage() > m_printDialogData.GetMaxPage()) |
| 139 | m_printDialogData.SetFromPage(m_printDialogData.GetMaxPage()); |
| 140 | if (m_printDialogData.GetToPage() > m_printDialogData.GetMaxPage()) |
| 141 | m_printDialogData.SetToPage(m_printDialogData.GetMaxPage()); |
| 142 | else if (m_printDialogData.GetToPage() < m_printDialogData.GetMinPage()) |
| 143 | m_printDialogData.SetToPage(m_printDialogData.GetMinPage()); |
| 144 | } |
| 145 | else |
| 146 | m_printDialogData.EnablePageNumbers(FALSE); |
| 147 | |
| 148 | // Create a suitable device context |
| 149 | wxDC *dc = NULL; |
| 150 | if (prompt) |
| 151 | { |
| 152 | dc = PrintDialog(parent); |
| 153 | if (!dc) |
| 154 | return FALSE; |
| 155 | } |
| 156 | else |
| 157 | { |
| 158 | // dc = new wxPrinterDC("", "", "", FALSE, m_printData.GetOrientation()); |
| 159 | dc = new wxPrinterDC(m_printDialogData.GetPrintData()); |
| 160 | } |
| 161 | |
| 162 | // May have pressed cancel. |
| 163 | if (!dc || !dc->Ok()) |
| 164 | { |
| 165 | if (dc) delete dc; |
| 166 | return FALSE; |
| 167 | } |
| 168 | |
| 169 | int logPPIScreenX = 0; |
| 170 | int logPPIScreenY = 0; |
| 171 | int logPPIPrinterX = 0; |
| 172 | int logPPIPrinterY = 0; |
| 173 | |
| 174 | HDC hdc = ::GetDC(NULL); |
| 175 | logPPIScreenX = ::GetDeviceCaps(hdc, LOGPIXELSX); |
| 176 | logPPIScreenY = ::GetDeviceCaps(hdc, LOGPIXELSY); |
| 177 | ::ReleaseDC(NULL, hdc); |
| 178 | |
| 179 | logPPIPrinterX = ::GetDeviceCaps((HDC) dc->GetHDC(), LOGPIXELSX); |
| 180 | logPPIPrinterY = ::GetDeviceCaps((HDC) dc->GetHDC(), LOGPIXELSY); |
| 181 | if (logPPIPrinterX == 0 || logPPIPrinterY == 0) |
| 182 | { |
| 183 | delete dc; |
| 184 | sm_lastError = wxPRINTER_ERROR; |
| 185 | return FALSE; |
| 186 | } |
| 187 | |
| 188 | printout->SetPPIScreen(logPPIScreenX, logPPIScreenY); |
| 189 | printout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY); |
| 190 | |
| 191 | // Set printout parameters |
| 192 | printout->SetDC(dc); |
| 193 | |
| 194 | int w, h; |
| 195 | dc->GetSize(&w, &h); |
| 196 | printout->SetPageSizePixels((int)w, (int)h); |
| 197 | |
| 198 | dc->GetSizeMM(&w, &h); |
| 199 | printout->SetPageSizeMM((int)w, (int)h); |
| 200 | |
| 201 | // Create an abort window |
| 202 | wxBeginBusyCursor(); |
| 203 | |
| 204 | printout->OnPreparePrinting(); |
| 205 | |
| 206 | wxWindow *win = CreateAbortWindow(parent, printout); |
| 207 | wxYield(); |
| 208 | |
| 209 | #if defined(__BORLANDC__) || defined(__GNUWIN32__) || defined(__SALFORDC__) || !defined(__WIN32__) |
| 210 | #ifdef STRICT |
| 211 | ::SetAbortProc((HDC) dc->GetHDC(), (ABORTPROC) m_lpAbortProc); |
| 212 | #else |
| 213 | ::SetAbortProc((HDC) dc->GetHDC(), (FARPROC) m_lpAbortProc); |
| 214 | #endif |
| 215 | #else |
| 216 | ::SetAbortProc((HDC) dc->GetHDC(), (int (_stdcall *) |
| 217 | // cast it to right type only if required |
| 218 | // FIXME it's really cdecl and we're casting it to stdcall - either there is |
| 219 | // something I don't understand or it will crash at first usage |
| 220 | #ifdef STRICT |
| 221 | (HDC, int) |
| 222 | #else |
| 223 | () |
| 224 | #endif |
| 225 | )m_lpAbortProc); |
| 226 | #endif |
| 227 | |
| 228 | if (!win) |
| 229 | { |
| 230 | wxEndBusyCursor(); |
| 231 | wxLogDebug(wxT("Could not create an abort dialog.")); |
| 232 | sm_lastError = wxPRINTER_ERROR; |
| 233 | |
| 234 | delete dc; |
| 235 | } |
| 236 | sm_abortWindow = win; |
| 237 | sm_abortWindow->Show(TRUE); |
| 238 | wxSafeYield(); |
| 239 | |
| 240 | printout->OnBeginPrinting(); |
| 241 | |
| 242 | sm_lastError = wxPRINTER_NO_ERROR; |
| 243 | |
| 244 | int copyCount; |
| 245 | for ( copyCount = 1; |
| 246 | copyCount <= m_printDialogData.GetNoCopies(); |
| 247 | copyCount++ ) |
| 248 | { |
| 249 | if (!printout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage())) |
| 250 | { |
| 251 | wxEndBusyCursor(); |
| 252 | wxLogError(_("Could not start printing.")); |
| 253 | sm_lastError = wxPRINTER_ERROR; |
| 254 | break; |
| 255 | } |
| 256 | if (sm_abortIt) |
| 257 | { |
| 258 | sm_lastError = wxPRINTER_CANCELLED; |
| 259 | break; |
| 260 | } |
| 261 | |
| 262 | int pn; |
| 263 | for ( pn = m_printDialogData.GetFromPage(); |
| 264 | pn <= m_printDialogData.GetToPage() && printout->HasPage(pn); |
| 265 | pn++ ) |
| 266 | { |
| 267 | if ( sm_abortIt ) |
| 268 | { |
| 269 | sm_lastError = wxPRINTER_CANCELLED; |
| 270 | break; |
| 271 | } |
| 272 | |
| 273 | dc->StartPage(); |
| 274 | bool cont = printout->OnPrintPage(pn); |
| 275 | dc->EndPage(); |
| 276 | |
| 277 | if ( !cont ) |
| 278 | { |
| 279 | sm_lastError = wxPRINTER_CANCELLED; |
| 280 | break; |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | printout->OnEndDocument(); |
| 285 | } |
| 286 | |
| 287 | printout->OnEndPrinting(); |
| 288 | |
| 289 | if (sm_abortWindow) |
| 290 | { |
| 291 | sm_abortWindow->Show(FALSE); |
| 292 | delete sm_abortWindow; |
| 293 | sm_abortWindow = NULL; |
| 294 | } |
| 295 | |
| 296 | wxEndBusyCursor(); |
| 297 | |
| 298 | delete dc; |
| 299 | |
| 300 | return (sm_lastError == wxPRINTER_NO_ERROR); |
| 301 | } |
| 302 | |
| 303 | wxDC* wxWindowsPrinter::PrintDialog(wxWindow *parent) |
| 304 | { |
| 305 | wxDC* dc = (wxDC*) NULL; |
| 306 | |
| 307 | wxPrintDialog dialog(parent, & m_printDialogData); |
| 308 | int ret = dialog.ShowModal(); |
| 309 | |
| 310 | if (ret == wxID_OK) |
| 311 | { |
| 312 | dc = dialog.GetPrintDC(); |
| 313 | m_printDialogData = dialog.GetPrintDialogData(); |
| 314 | if (dc == NULL) |
| 315 | sm_lastError = wxPRINTER_ERROR; |
| 316 | else |
| 317 | sm_lastError = wxPRINTER_NO_ERROR; |
| 318 | } |
| 319 | else |
| 320 | sm_lastError = wxPRINTER_CANCELLED; |
| 321 | |
| 322 | return dc; |
| 323 | } |
| 324 | |
| 325 | bool wxWindowsPrinter::Setup(wxWindow *parent) |
| 326 | { |
| 327 | wxPrintDialog dialog(parent, & m_printDialogData); |
| 328 | dialog.GetPrintDialogData().SetSetupDialog(TRUE); |
| 329 | |
| 330 | int ret = dialog.ShowModal(); |
| 331 | |
| 332 | if (ret == wxID_OK) |
| 333 | { |
| 334 | m_printDialogData = dialog.GetPrintDialogData(); |
| 335 | } |
| 336 | |
| 337 | return (ret == wxID_OK); |
| 338 | } |
| 339 | |
| 340 | /* |
| 341 | * Print preview |
| 342 | */ |
| 343 | |
| 344 | wxWindowsPrintPreview::wxWindowsPrintPreview(wxPrintout *printout, |
| 345 | wxPrintout *printoutForPrinting, |
| 346 | wxPrintDialogData *data) |
| 347 | : wxPrintPreviewBase(printout, printoutForPrinting, data) |
| 348 | { |
| 349 | DetermineScaling(); |
| 350 | } |
| 351 | |
| 352 | wxWindowsPrintPreview::wxWindowsPrintPreview(wxPrintout *printout, |
| 353 | wxPrintout *printoutForPrinting, |
| 354 | wxPrintData *data) |
| 355 | : wxPrintPreviewBase(printout, printoutForPrinting, data) |
| 356 | { |
| 357 | DetermineScaling(); |
| 358 | } |
| 359 | |
| 360 | wxWindowsPrintPreview::~wxWindowsPrintPreview() |
| 361 | { |
| 362 | } |
| 363 | |
| 364 | bool wxWindowsPrintPreview::Print(bool interactive) |
| 365 | { |
| 366 | if (!m_printPrintout) |
| 367 | return FALSE; |
| 368 | wxWindowsPrinter printer(&m_printDialogData); |
| 369 | return printer.Print(m_previewFrame, m_printPrintout, interactive); |
| 370 | } |
| 371 | |
| 372 | void wxWindowsPrintPreview::DetermineScaling() |
| 373 | { |
| 374 | HDC dc = ::GetDC(NULL); |
| 375 | int screenWidth = ::GetDeviceCaps(dc, HORZSIZE); |
| 376 | // int screenHeight = ::GetDeviceCaps(dc, VERTSIZE); |
| 377 | int screenXRes = ::GetDeviceCaps(dc, HORZRES); |
| 378 | // int screenYRes = ::GetDeviceCaps(dc, VERTRES); |
| 379 | int logPPIScreenX = ::GetDeviceCaps(dc, LOGPIXELSX); |
| 380 | int logPPIScreenY = ::GetDeviceCaps(dc, LOGPIXELSY); |
| 381 | m_previewPrintout->SetPPIScreen(logPPIScreenX, logPPIScreenY); |
| 382 | |
| 383 | ::ReleaseDC(NULL, dc); |
| 384 | |
| 385 | // Get a device context for the currently selected printer |
| 386 | wxPrinterDC printerDC(m_printDialogData.GetPrintData()); |
| 387 | |
| 388 | int printerWidth = 150; |
| 389 | int printerHeight = 250; |
| 390 | int printerXRes = 1500; |
| 391 | int printerYRes = 2500; |
| 392 | |
| 393 | if (printerDC.GetHDC()) |
| 394 | { |
| 395 | printerWidth = ::GetDeviceCaps((HDC) printerDC.GetHDC(), HORZSIZE); |
| 396 | printerHeight = ::GetDeviceCaps((HDC) printerDC.GetHDC(), VERTSIZE); |
| 397 | printerXRes = ::GetDeviceCaps((HDC) printerDC.GetHDC(), HORZRES); |
| 398 | printerYRes = ::GetDeviceCaps((HDC) printerDC.GetHDC(), VERTRES); |
| 399 | |
| 400 | int logPPIPrinterX = ::GetDeviceCaps((HDC) printerDC.GetHDC(), LOGPIXELSX); |
| 401 | int logPPIPrinterY = ::GetDeviceCaps((HDC) printerDC.GetHDC(), LOGPIXELSY); |
| 402 | |
| 403 | m_previewPrintout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY); |
| 404 | m_previewPrintout->SetPageSizeMM(printerWidth, printerHeight); |
| 405 | |
| 406 | if (logPPIPrinterX == 0 || logPPIPrinterY == 0 || printerWidth == 0 || printerHeight == 0) |
| 407 | m_isOk = FALSE; |
| 408 | } |
| 409 | else |
| 410 | m_isOk = FALSE; |
| 411 | |
| 412 | m_pageWidth = printerXRes; |
| 413 | m_pageHeight = printerYRes; |
| 414 | |
| 415 | // At 100%, the page should look about page-size on the screen. |
| 416 | m_previewScale = (float)((float)screenWidth/(float)printerWidth); |
| 417 | m_previewScale = m_previewScale * (float)((float)screenXRes/(float)printerYRes); |
| 418 | } |
| 419 | |
| 420 | /**************************************************************************** |
| 421 | |
| 422 | FUNCTION: wxAbortProc() |
| 423 | |
| 424 | PURPOSE: Processes messages for the Abort Dialog box |
| 425 | |
| 426 | ****************************************************************************/ |
| 427 | |
| 428 | LONG APIENTRY _EXPORT wxAbortProc(HDC WXUNUSED(hPr), int WXUNUSED(Code)) |
| 429 | { |
| 430 | MSG msg; |
| 431 | |
| 432 | if (!wxPrinterBase::sm_abortWindow) /* If the abort dialog isn't up yet */ |
| 433 | return(TRUE); |
| 434 | |
| 435 | /* Process messages intended for the abort dialog box */ |
| 436 | |
| 437 | while (!wxPrinterBase::sm_abortIt && PeekMessage(&msg, 0, 0, 0, TRUE)) |
| 438 | if (!IsDialogMessage((HWND) wxPrinterBase::sm_abortWindow->GetHWND(), &msg)) { |
| 439 | TranslateMessage(&msg); |
| 440 | DispatchMessage(&msg); |
| 441 | } |
| 442 | |
| 443 | /* bAbort is TRUE (return is FALSE) if the user has aborted */ |
| 444 | |
| 445 | return (!wxPrinterBase::sm_abortIt); |
| 446 | } |
| 447 | |
| 448 | #endif |
| 449 | // wxUSE_PRINTING_ARCHITECTURE |