1 /**
2 * Implementation of the file dialog interfaces defined in filedialog.h for Win32
3 *
4 * Authors:
5 * Joel Holdsworth
6 * The Inkscape Organization
7 *
8 * Copyright (C) 2004-2008 The Inkscape Organization
9 *
10 * Released under GNU GPL, read the file 'COPYING' for more information
11 */
13 #ifdef HAVE_CONFIG_H
14 # include <config.h>
15 #endif
17 #ifdef WIN32
19 //General includes
20 #include <list>
21 #include <unistd.h>
22 #include <sys/stat.h>
23 #include <errno.h>
24 #include <set>
25 #include <gdk/gdkwin32.h>
26 #include <glib/gstdio.h>
27 #include <glibmm/i18n.h>
28 #include <gtkmm/window.h>
30 //Inkscape includes
31 #include "inkscape.h"
32 #include "prefs-utils.h"
33 #include <dialogs/dialog-events.h>
34 #include <extension/input.h>
35 #include <extension/output.h>
36 #include <extension/db.h>
38 #include <libnr/nr-pixops.h>
39 #include <libnr/nr-translate-scale-ops.h>
40 #include <display/nr-arena-item.h>
41 #include <display/nr-arena.h>
42 #include "sp-item.h"
43 #include "display/canvas-arena.h"
45 #include "filedialog.h"
46 #include "filedialogimpl-win32.h"
48 #include <zlib.h>
49 #include <cairomm/win32_surface.h>
50 #include <cairomm/context.h>
52 using namespace std;
53 using namespace Glib;
54 using namespace Cairo;
55 using namespace Gdk::Cairo;
57 namespace Inkscape
58 {
59 namespace UI
60 {
61 namespace Dialog
62 {
64 const int PreviewWidening = 150;
65 const char PreviewWindowClassName[] = "PreviewWnd";
66 const unsigned long MaxPreviewFileSize = 1344; // kB
68 #define IDC_SHOW_PREVIEW 1000
70 // Windows 2000 version of OPENFILENAMEW
71 struct OPENFILENAMEEXW : public OPENFILENAMEW {
72 void * pvReserved;
73 DWORD dwReserved;
74 DWORD FlagsEx;
75 };
77 struct Filter
78 {
79 gunichar2* name;
80 glong name_length;
81 gunichar2* filter;
82 glong filter_length;
83 Inkscape::Extension::Extension* mod;
84 };
86 ustring utf16_to_ustring(const wchar_t *utf16string, int utf16length = -1)
87 {
88 gchar *utf8string = g_utf16_to_utf8((const gunichar2*)utf16string,
89 utf16length, NULL, NULL, NULL);
90 ustring result(utf8string);
91 g_free(utf8string);
93 return result;
94 }
96 /*#########################################################################
97 ### F I L E D I A L O G B A S E C L A S S
98 #########################################################################*/
100 FileDialogBaseWin32::FileDialogBaseWin32(Gtk::Window &parent,
101 const Glib::ustring &dir, const gchar *title,
102 FileDialogType type, gchar const* /*preferenceBase*/) :
103 dialogType(type),
104 parent(parent),
105 _current_directory(dir)
106 {
107 _main_loop = NULL;
109 _filter_index = 1;
110 _filter_count = 0;
112 _title = (wchar_t*)g_utf8_to_utf16(title, -1, NULL, NULL, NULL);
113 g_assert(_title != NULL);
115 Glib::RefPtr<const Gdk::Window> parentWindow = parent.get_window();
116 g_assert(parentWindow->gobj() != NULL);
117 _ownerHwnd = (HWND)gdk_win32_drawable_get_handle((GdkDrawable*)parentWindow->gobj());
118 }
120 FileDialogBaseWin32::~FileDialogBaseWin32()
121 {
122 g_free(_title);
123 }
125 Inkscape::Extension::Extension *FileDialogBaseWin32::getSelectionType()
126 {
127 return _extension;
128 }
130 Glib::ustring FileDialogBaseWin32::getCurrentDirectory()
131 {
132 return _current_directory;
133 }
135 /*#########################################################################
136 ### F I L E O P E N
137 #########################################################################*/
139 bool FileOpenDialogImplWin32::_show_preview = true;
141 /**
142 * Constructor. Not called directly. Use the factory.
143 */
144 FileOpenDialogImplWin32::FileOpenDialogImplWin32(Gtk::Window &parent,
145 const Glib::ustring &dir,
146 FileDialogType fileTypes,
147 const gchar *title) :
148 FileDialogBaseWin32(parent, dir, title, fileTypes, "dialogs.open")
149 {
150 // Initalize to Autodetect
151 _extension = NULL;
153 // Set our dialog type (open, import, etc...)
154 dialogType = fileTypes;
156 _show_preview_button_bitmap = NULL;
157 _preview_wnd = NULL;
158 _file_dialog_wnd = NULL;
159 _base_window_proc = NULL;
161 _preview_file_size = 0;
162 _preview_bitmap = NULL;
163 _preview_file_icon = NULL;
164 _preview_document_width = 0;
165 _preview_document_height = 0;
166 _preview_image_width = 0;
167 _preview_image_height = 0;
168 _preview_emf_image = false;
170 _mutex = NULL;
172 createFilterMenu();
173 }
176 /**
177 * Destructor
178 */
179 FileOpenDialogImplWin32::~FileOpenDialogImplWin32()
180 {
181 if(_filter != NULL)
182 delete[] _filter;
183 if(_extension_map != NULL)
184 delete[] _extension_map;
185 }
187 void FileOpenDialogImplWin32::createFilterMenu()
188 {
189 list<Filter> filter_list;
191 // Compose the filter string
192 Inkscape::Extension::DB::InputList extension_list;
193 Inkscape::Extension::db.get_input_list(extension_list);
195 ustring all_inkscape_files_filter, all_image_files_filter;
196 Filter all_files, all_inkscape_files, all_image_files;
198 const gchar *all_files_filter_name = N_("All Files");
199 const gchar *all_inkscape_files_filter_name = N_("All Inkscape Files");
200 const gchar *all_image_files_filter_name = N_("All Image Files");
202 // Calculate the amount of memory required
203 int filter_count = 3; // 3 - one for All Files, All Images and All Inkscape Files
204 int filter_length = 1;
206 for (Inkscape::Extension::DB::InputList::iterator current_item = extension_list.begin();
207 current_item != extension_list.end(); current_item++)
208 {
209 Filter filter;
211 Inkscape::Extension::Input *imod = *current_item;
212 if (imod->deactivated()) continue;
214 // Type
215 filter.name = g_utf8_to_utf16(_(imod->get_filetypename()),
216 -1, NULL, &filter.name_length, NULL);
218 // Extension
219 const gchar *file_extension_name = imod->get_extension();
220 filter.filter = g_utf8_to_utf16(file_extension_name,
221 -1, NULL, &filter.filter_length, NULL);
223 filter.mod = imod;
224 filter_list.push_back(filter);
226 filter_length += filter.name_length +
227 filter.filter_length + 3; // Add 3 for two \0s and a *
229 // Add to the "All Inkscape Files" Entry
230 if(all_inkscape_files_filter.length() > 0)
231 all_inkscape_files_filter += ";*";
232 all_inkscape_files_filter += file_extension_name;
233 if( strncmp("image", imod->get_mimetype(), 5) == 0)
234 {
235 // Add to the "All Image Files" Entry
236 if(all_image_files_filter.length() > 0)
237 all_image_files_filter += ";*";
238 all_image_files_filter += file_extension_name;
239 }
241 filter_count++;
242 }
244 int extension_index = 0;
245 _extension_map = new Inkscape::Extension::Extension*[filter_count];
247 // Filter Image Files
248 all_image_files.name = g_utf8_to_utf16(all_image_files_filter_name,
249 -1, NULL, &all_image_files.name_length, NULL);
250 all_image_files.filter = g_utf8_to_utf16(all_image_files_filter.data(),
251 -1, NULL, &all_image_files.filter_length, NULL);
252 all_image_files.mod = NULL;
253 filter_list.push_front(all_image_files);
255 // Filter Inkscape Files
256 all_inkscape_files.name = g_utf8_to_utf16(all_inkscape_files_filter_name,
257 -1, NULL, &all_inkscape_files.name_length, NULL);
258 all_inkscape_files.filter = g_utf8_to_utf16(all_inkscape_files_filter.data(),
259 -1, NULL, &all_inkscape_files.filter_length, NULL);
260 all_inkscape_files.mod = NULL;
261 filter_list.push_front(all_inkscape_files);
263 // Filter All Files
264 all_files.name = g_utf8_to_utf16(all_files_filter_name,
265 -1, NULL, &all_files.name_length, NULL);
266 all_files.filter = NULL;
267 all_files.filter_length = 0;
268 all_files.mod = NULL;
269 filter_list.push_front(all_files);
271 filter_length += all_files.name_length + 3 +
272 all_inkscape_files.filter_length +
273 all_inkscape_files.name_length + 3 +
274 all_image_files.filter_length +
275 all_image_files.name_length + 3 + 1;
276 // Add 3 for 2*2 \0s and a *, and 1 for a trailing \0
278 _filter = new wchar_t[filter_length];
279 wchar_t *filterptr = _filter;
281 for(list<Filter>::iterator filter_iterator = filter_list.begin();
282 filter_iterator != filter_list.end(); filter_iterator++)
283 {
284 const Filter &filter = *filter_iterator;
286 wcsncpy(filterptr, (wchar_t*)filter.name, filter.name_length);
287 filterptr += filter.name_length;
288 g_free(filter.name);
290 *(filterptr++) = L'\0';
291 *(filterptr++) = L'*';
293 if(filter.filter != NULL)
294 {
295 wcsncpy(filterptr, (wchar_t*)filter.filter, filter.filter_length);
296 filterptr += filter.filter_length;
297 g_free(filter.filter);
298 }
300 *(filterptr++) = L'\0';
302 // Associate this input extension with the file type name
303 _extension_map[extension_index++] = filter.mod;
304 }
305 *(filterptr++) = L'\0';
307 _filter_count = extension_index;
308 _filter_index = 2; // Select the 2nd filter in the list - 2 is NOT the 3rd
309 }
311 void FileOpenDialogImplWin32::GetOpenFileName_thread()
312 {
313 OPENFILENAMEEXW ofn;
315 g_assert(this != NULL);
316 g_assert(_mutex != NULL);
318 WCHAR* current_directory_string = (WCHAR*)g_utf8_to_utf16(
319 _current_directory.data(), _current_directory.length(),
320 NULL, NULL, NULL);
322 memset(&ofn, 0, sizeof(ofn));
324 // Copy the selected file name, converting from UTF-8 to UTF-16
325 memset(_path_string, 0, sizeof(_path_string));
326 gunichar2* utf16_path_string = g_utf8_to_utf16(
327 myFilename.data(), -1, NULL, NULL, NULL);
328 wcsncpy(_path_string, (wchar_t*)utf16_path_string, _MAX_PATH);
329 g_free(utf16_path_string);
331 ofn.lStructSize = sizeof(ofn);
332 ofn.hwndOwner = _ownerHwnd;
333 ofn.lpstrFile = _path_string;
334 ofn.nMaxFile = _MAX_PATH;
335 ofn.lpstrFileTitle = NULL;
336 ofn.nMaxFileTitle = 0;
337 ofn.lpstrInitialDir = current_directory_string;
338 ofn.lpstrTitle = _title;
339 ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST | OFN_EXPLORER | OFN_ENABLEHOOK | OFN_HIDEREADONLY | OFN_ENABLESIZING;
340 ofn.lpstrFilter = _filter;
341 ofn.nFilterIndex = _filter_index;
342 ofn.lpfnHook = GetOpenFileName_hookproc;
343 ofn.lCustData = (LPARAM)this;
345 _result = GetOpenFileNameW(&ofn) != 0;
347 g_assert(ofn.nFilterIndex >= 1 && ofn.nFilterIndex <= _filter_count);
348 _filter_index = ofn.nFilterIndex;
349 _extension = _extension_map[ofn.nFilterIndex - 1];
351 // Copy the selected file name, converting from UTF-16 to UTF-8
352 myFilename = utf16_to_ustring(_path_string, _MAX_PATH);
354 // Tidy up
355 g_free(current_directory_string);
357 _mutex->lock();
358 _finished = true;
359 _mutex->unlock();
360 }
362 void FileOpenDialogImplWin32::register_preview_wnd_class()
363 {
364 HINSTANCE hInstance = GetModuleHandle(NULL);
365 const WNDCLASSA PreviewWndClass =
366 {
367 CS_HREDRAW | CS_VREDRAW,
368 preview_wnd_proc,
369 0,
370 0,
371 hInstance,
372 NULL,
373 LoadCursor(hInstance, IDC_ARROW),
374 (HBRUSH)(COLOR_BTNFACE + 1),
375 NULL,
376 PreviewWindowClassName
377 };
379 RegisterClassA(&PreviewWndClass);
380 }
382 UINT_PTR CALLBACK FileOpenDialogImplWin32::GetOpenFileName_hookproc(
383 HWND hdlg, UINT uiMsg, WPARAM, LPARAM lParam)
384 {
385 FileOpenDialogImplWin32 *pImpl = (FileOpenDialogImplWin32*)
386 GetWindowLongPtr(hdlg, GWLP_USERDATA);
388 switch(uiMsg)
389 {
390 case WM_INITDIALOG:
391 {
392 HWND hParentWnd = GetParent(hdlg);
393 HINSTANCE hInstance = GetModuleHandle(NULL);
395 // Make the window a bit wider
396 RECT rcRect;
397 GetWindowRect(hParentWnd, &rcRect);
398 MoveWindow(hParentWnd, rcRect.left, rcRect.top,
399 rcRect.right - rcRect.left + PreviewWidening,
400 rcRect.bottom - rcRect.top,
401 FALSE);
403 // Set the pointer to the object
404 OPENFILENAMEW *ofn = (OPENFILENAMEW*)lParam;
405 SetWindowLongPtr(hdlg, GWLP_USERDATA, ofn->lCustData);
406 SetWindowLongPtr(hParentWnd, GWLP_USERDATA, ofn->lCustData);
407 pImpl = (FileOpenDialogImplWin32*)ofn->lCustData;
409 // Subclass the parent
410 pImpl->_base_window_proc = (WNDPROC)GetWindowLongPtr(hParentWnd, GWL_WNDPROC);
411 SetWindowLongPtr(hParentWnd, GWL_WNDPROC, (LONG_PTR)file_dialog_subclass_proc);
413 // Add a button to the toolbar
414 pImpl->_toolbar_wnd = FindWindowEx(hParentWnd, NULL, "ToolbarWindow32", NULL);
416 pImpl->_show_preview_button_bitmap = LoadBitmap(
417 hInstance, MAKEINTRESOURCE(IDC_SHOW_PREVIEW));
418 TBADDBITMAP tbAddBitmap = {NULL, (UINT)pImpl->_show_preview_button_bitmap};
419 const int iBitmapIndex = SendMessage(pImpl->_toolbar_wnd,
420 TB_ADDBITMAP, 1, (LPARAM)&tbAddBitmap);
422 TBBUTTON tbButton;
423 memset(&tbButton, 0, sizeof(TBBUTTON));
424 tbButton.iBitmap = iBitmapIndex;
425 tbButton.idCommand = IDC_SHOW_PREVIEW;
426 tbButton.fsState = (pImpl->_show_preview ? TBSTATE_CHECKED : 0)
427 | TBSTATE_ENABLED;
428 tbButton.fsStyle = TBSTYLE_CHECK;
429 tbButton.iString = (INT_PTR)_("Show Preview");
430 SendMessage(pImpl->_toolbar_wnd, TB_ADDBUTTONS, 1, (LPARAM)&tbButton);
432 // Create preview pane
433 register_preview_wnd_class();
435 pImpl->_mutex->lock();
437 pImpl->_file_dialog_wnd = hParentWnd;
439 pImpl->_preview_wnd =
440 CreateWindowA(PreviewWindowClassName, "",
441 WS_CHILD | WS_VISIBLE,
442 0, 0, 100, 100, hParentWnd, NULL, hInstance, NULL);
443 SetWindowLongPtr(pImpl->_preview_wnd, GWLP_USERDATA, ofn->lCustData);
445 pImpl->_mutex->unlock();
447 pImpl->layout_dialog();
448 }
449 break;
451 case WM_NOTIFY:
452 {
454 OFNOTIFY *pOFNotify = reinterpret_cast<OFNOTIFY*>(lParam);
455 switch(pOFNotify->hdr.code)
456 {
457 case CDN_SELCHANGE:
458 {
459 if(pImpl != NULL)
460 {
461 // Get the file name
462 pImpl->_mutex->lock();
464 SendMessage(pOFNotify->hdr.hwndFrom, CDM_GETFILEPATH,
465 sizeof(pImpl->_path_string) / sizeof(wchar_t),
466 (LPARAM)pImpl->_path_string);
468 pImpl->_file_selected = true;
470 pImpl->_mutex->unlock();
471 }
472 }
473 break;
474 }
475 }
476 break;
478 case WM_CLOSE:
479 pImpl->_mutex->lock();
480 pImpl->_preview_file_size = 0;
482 pImpl->_file_dialog_wnd = NULL;
483 DestroyWindow(pImpl->_preview_wnd);
484 pImpl->_preview_wnd = NULL;
485 DeleteObject(pImpl->_show_preview_button_bitmap);
486 pImpl->_show_preview_button_bitmap = NULL;
487 pImpl->_mutex->unlock();
489 break;
490 }
492 // Use default dialog behaviour
493 return 0;
494 }
496 LRESULT CALLBACK FileOpenDialogImplWin32::file_dialog_subclass_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
497 {
498 FileOpenDialogImplWin32 *pImpl = (FileOpenDialogImplWin32*)
499 GetWindowLongPtr(hwnd, GWLP_USERDATA);
501 LRESULT lResult = CallWindowProc(pImpl->_base_window_proc, hwnd, uMsg, wParam, lParam);
503 switch(uMsg)
504 {
505 case WM_SHOWWINDOW:
506 if(wParam != 0)
507 pImpl->layout_dialog();
508 break;
510 case WM_SIZE:
511 pImpl->layout_dialog();
512 break;
514 case WM_COMMAND:
515 if(wParam == IDC_SHOW_PREVIEW)
516 {
517 const bool enable = SendMessage(pImpl->_toolbar_wnd,
518 TB_ISBUTTONCHECKED, IDC_SHOW_PREVIEW, 0) != 0;
519 pImpl->enable_preview(enable);
520 }
521 break;
522 }
524 return lResult;
525 }
527 LRESULT CALLBACK FileOpenDialogImplWin32::preview_wnd_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
528 {
529 const int CaptionPadding = 4;
530 const int IconSize = 32;
532 FileOpenDialogImplWin32 *pImpl = (FileOpenDialogImplWin32*)
533 GetWindowLongPtr(hwnd, GWLP_USERDATA);
535 LRESULT lResult = 0;
537 switch(uMsg)
538 {
539 case WM_ERASEBKGND:
540 // Do nothing to erase the background
541 // - otherwise there'll be flicker
542 lResult = 1;
543 break;
545 case WM_PAINT:
546 {
547 // Get the client rect
548 RECT rcClient;
549 GetClientRect(hwnd, &rcClient);
551 // Prepare to paint
552 PAINTSTRUCT paint_struct;
553 HDC dc = BeginPaint(hwnd, &paint_struct);
555 HFONT hCaptionFont = (HFONT)SendMessage(GetParent(hwnd),
556 WM_GETFONT, 0, 0);
557 HFONT hOldFont = (HFONT)SelectObject(dc, hCaptionFont);
558 SetBkMode(dc, TRANSPARENT);
560 pImpl->_mutex->lock();
562 if(pImpl->_path_string[0] == 0)
563 {
564 FillRect(dc, &rcClient, (HBRUSH)(COLOR_3DFACE + 1));
565 DrawText(dc, _("No file selected"), -1, &rcClient,
566 DT_CENTER | DT_VCENTER | DT_NOPREFIX);
567 }
568 else if(pImpl->_preview_bitmap != NULL)
569 {
570 BITMAP bitmap;
571 GetObject(pImpl->_preview_bitmap, sizeof(bitmap), &bitmap);
572 const int destX = (rcClient.right - bitmap.bmWidth) / 2;
574 // Render the image
575 HDC hSrcDC = CreateCompatibleDC(dc);
576 HBITMAP hOldBitmap = (HBITMAP)SelectObject(hSrcDC, pImpl->_preview_bitmap);
578 BitBlt(dc, destX, 0, bitmap.bmWidth, bitmap.bmHeight,
579 hSrcDC, 0, 0, SRCCOPY);
581 SelectObject(hSrcDC, hOldBitmap);
582 DeleteDC(hSrcDC);
584 // Fill in the background area
585 HRGN hEraseRgn = CreateRectRgn(rcClient.left, rcClient.top,
586 rcClient.right, rcClient.bottom);
587 HRGN hImageRgn = CreateRectRgn(destX, 0,
588 destX + bitmap.bmWidth, bitmap.bmHeight);
589 CombineRgn(hEraseRgn, hEraseRgn, hImageRgn, RGN_DIFF);
591 FillRgn(dc, hEraseRgn, GetSysColorBrush(COLOR_3DFACE));
593 DeleteObject(hImageRgn);
594 DeleteObject(hEraseRgn);
596 // Draw the caption on
597 RECT rcCaptionRect = {rcClient.left,
598 rcClient.top + bitmap.bmHeight + CaptionPadding,
599 rcClient.right, rcClient.bottom};
601 WCHAR szCaption[_MAX_FNAME + 32];
602 const int iLength = pImpl->format_caption(
603 szCaption, sizeof(szCaption) / sizeof(WCHAR));
605 DrawTextW(dc, szCaption, iLength, &rcCaptionRect,
606 DT_CENTER | DT_TOP | DT_NOPREFIX | DT_PATH_ELLIPSIS);
607 }
608 else if(pImpl->_preview_file_icon != NULL)
609 {
610 FillRect(dc, &rcClient, (HBRUSH)(COLOR_3DFACE + 1));
612 // Draw the files icon
613 const int destX = (rcClient.right - IconSize) / 2;
614 DrawIconEx(dc, destX, 0, pImpl->_preview_file_icon,
615 IconSize, IconSize, 0, NULL,
616 DI_NORMAL | DI_COMPAT);
618 // Draw the caption on
619 RECT rcCaptionRect = {rcClient.left,
620 rcClient.top + IconSize + CaptionPadding,
621 rcClient.right, rcClient.bottom};
623 WCHAR szFileName[_MAX_FNAME], szCaption[_MAX_FNAME + 32];
624 _wsplitpath(pImpl->_path_string, NULL, NULL, szFileName, NULL);
626 const int iLength = snwprintf(szCaption,
627 sizeof(szCaption), L"%s\n%d kB",
628 szFileName, pImpl->_preview_file_size);
630 DrawTextW(dc, szCaption, iLength, &rcCaptionRect,
631 DT_CENTER | DT_TOP | DT_NOPREFIX | DT_PATH_ELLIPSIS);
632 }
633 else
634 {
635 // Can't show anything!
636 FillRect(dc, &rcClient, (HBRUSH)(COLOR_3DFACE + 1));
637 }
639 pImpl->_mutex->unlock();
641 // Finish painting
642 SelectObject(dc, hOldFont);
643 EndPaint(hwnd, &paint_struct);
644 }
646 break;
648 case WM_DESTROY:
649 pImpl->free_preview();
650 break;
652 default:
653 lResult = DefWindowProc(hwnd, uMsg, wParam, lParam);
654 break;
655 }
657 return lResult;
658 }
660 void FileOpenDialogImplWin32::enable_preview(bool enable)
661 {
662 _show_preview = enable;
664 // Relayout the dialog
665 ShowWindow(_preview_wnd, enable ? SW_SHOW : SW_HIDE);
666 layout_dialog();
668 // Load or unload the preview
669 if(enable)
670 {
671 _mutex->lock();
672 _file_selected = true;
673 _mutex->unlock();
674 }
675 else free_preview();
676 }
678 void FileOpenDialogImplWin32::layout_dialog()
679 {
680 union RECTPOINTS
681 {
682 RECT r;
683 POINT p[2];
684 };
686 const float MaxExtentScale = 2.0f / 3.0f;
688 RECT rcClient;
689 GetClientRect(_file_dialog_wnd, &rcClient);
691 // Re-layout the dialog
692 HWND hFileListWnd = GetDlgItem(_file_dialog_wnd, lst2);
693 HWND hFolderComboWnd = GetDlgItem(_file_dialog_wnd, cmb2);
696 RECT rcFolderComboRect;
697 RECTPOINTS rcFileList;
698 GetWindowRect(hFileListWnd, &rcFileList.r);
699 GetWindowRect(hFolderComboWnd, &rcFolderComboRect);
700 const int iPadding = rcFileList.r.top - rcFolderComboRect.bottom;
701 MapWindowPoints(NULL, _file_dialog_wnd, rcFileList.p, 2);
703 RECT rcPreview;
704 RECT rcBody = {rcFileList.r.left, rcFileList.r.top,
705 rcClient.right - iPadding, rcFileList.r.bottom};
706 rcFileList.r.right = rcBody.right;
708 if(_show_preview)
709 {
710 rcPreview.top = rcBody.top;
711 rcPreview.left = rcClient.right - (rcBody.bottom - rcBody.top);
712 const int iMaxExtent = (int)(MaxExtentScale * (float)(rcBody.left + rcBody.right)) + iPadding / 2;
713 if(rcPreview.left < iMaxExtent) rcPreview.left = iMaxExtent;
714 rcPreview.bottom = rcBody.bottom;
715 rcPreview.right = rcBody.right;
717 // Re-layout the preview box
718 _mutex->lock();
720 _preview_width = rcPreview.right - rcPreview.left;
721 _preview_height = rcPreview.bottom - rcPreview.top;
723 _mutex->unlock();
725 render_preview();
727 MoveWindow(_preview_wnd, rcPreview.left, rcPreview.top,
728 _preview_width, _preview_height, TRUE);
730 rcFileList.r.right = rcPreview.left - iPadding;
731 }
733 // Re-layout the file list box
734 MoveWindow(hFileListWnd, rcFileList.r.left, rcFileList.r.top,
735 rcFileList.r.right - rcFileList.r.left,
736 rcFileList.r.bottom - rcFileList.r.top, TRUE);
738 // Re-layout the toolbar
739 RECTPOINTS rcToolBar;
740 GetWindowRect(_toolbar_wnd, &rcToolBar.r);
741 MapWindowPoints(NULL, _file_dialog_wnd, rcToolBar.p, 2);
742 MoveWindow(_toolbar_wnd, rcToolBar.r.left, rcToolBar.r.top,
743 rcToolBar.r.right - rcToolBar.r.left, rcToolBar.r.bottom - rcToolBar.r.top, TRUE);
744 }
746 void FileOpenDialogImplWin32::file_selected()
747 {
748 // Destroy any previous previews
749 free_preview();
752 // Determine if the file exists
753 DWORD attributes = GetFileAttributesW(_path_string);
754 if(attributes == 0xFFFFFFFF ||
755 attributes == FILE_ATTRIBUTE_DIRECTORY)
756 {
757 InvalidateRect(_preview_wnd, NULL, FALSE);
758 return;
759 }
761 // Check the file exists and get the file size
762 HANDLE file_handle = CreateFileW(_path_string, GENERIC_READ,
763 FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
764 if(file_handle == INVALID_HANDLE_VALUE) return;
765 const DWORD file_size = GetFileSize(file_handle, NULL);
766 if (file_size == INVALID_FILE_SIZE) return;
767 _preview_file_size = file_size / 1024;
768 CloseHandle(file_handle);
770 if(_show_preview) load_preview();
771 }
773 void FileOpenDialogImplWin32::load_preview()
774 {
775 // Destroy any previous previews
776 free_preview();
778 // Try to get the file icon
779 SHFILEINFOW fileInfo;
780 if(SUCCEEDED(SHGetFileInfoW(_path_string, 0, &fileInfo,
781 sizeof(fileInfo), SHGFI_ICON | SHGFI_LARGEICON)))
782 _preview_file_icon = fileInfo.hIcon;
784 // Will this file be too big?
785 if(_preview_file_size > MaxPreviewFileSize)
786 {
787 InvalidateRect(_preview_wnd, NULL, FALSE);
788 return;
789 }
791 // Prepare to render a preview
792 const Glib::ustring svg = ".svg";
793 const Glib::ustring svgz = ".svgz";
794 const Glib::ustring emf = ".emf";
795 const Glib::ustring wmf = ".wmf";
796 const Glib::ustring path = utf16_to_ustring(_path_string);
798 bool success = false;
800 _preview_document_width = _preview_document_height = 0;
802 if ((dialogType == SVG_TYPES || dialogType == IMPORT_TYPES) &&
803 (hasSuffix(path, svg) || hasSuffix(path, svgz)))
804 success = set_svg_preview();
805 else if (hasSuffix(path, emf) || hasSuffix(path, wmf))
806 success = set_emf_preview();
807 else if (isValidImageFile(path))
808 success = set_image_preview();
809 else {
810 // Show no preview
811 }
813 if(success) render_preview();
815 InvalidateRect(_preview_wnd, NULL, FALSE);
816 }
818 void FileOpenDialogImplWin32::free_preview()
819 {
820 _mutex->lock();
821 if(_preview_bitmap != NULL)
822 DeleteObject(_preview_bitmap);
823 _preview_bitmap = NULL;
825 if(_preview_file_icon != NULL)
826 DestroyIcon(_preview_file_icon);
827 _preview_file_icon = NULL;
829 _preview_bitmap_image.clear();
830 _preview_emf_image = false;
831 _mutex->unlock();
832 }
834 bool FileOpenDialogImplWin32::set_svg_preview()
835 {
836 const int PreviewSize = 512;
838 gchar *utf8string = g_utf16_to_utf8((const gunichar2*)_path_string,
839 _MAX_PATH, NULL, NULL, NULL);
840 SPDocument *svgDoc = sp_document_new (utf8string, true);
841 g_free(utf8string);
843 // Check the document loaded properly
844 if(svgDoc == NULL) return false;
845 if(svgDoc->root == NULL)
846 {
847 sp_document_unref(svgDoc);
848 return false;
849 }
851 // Get the size of the document
852 const double svgWidth = sp_document_width(svgDoc);
853 const double svgHeight = sp_document_height(svgDoc);
855 // Find the minimum scale to fit the image inside the preview area
856 const double scaleFactorX = PreviewSize / svgWidth;
857 const double scaleFactorY = PreviewSize / svgHeight;
858 const double scaleFactor = (scaleFactorX > scaleFactorY) ? scaleFactorY : scaleFactorX;
860 // Now get the resized values
861 const double scaledSvgWidth = scaleFactor * svgWidth;
862 const double scaledSvgHeight = scaleFactor * svgHeight;
864 Geom::Rect area(Geom::Point(0, 0), Geom::Point(scaledSvgWidth, scaledSvgHeight));
865 NRRectL areaL = {0, 0, scaledSvgWidth, scaledSvgHeight};
866 NRRectL bbox = {0, 0, scaledSvgWidth, scaledSvgHeight};
868 // write object bbox to area
869 boost::optional<NR::Rect> maybeArea(from_2geom(area));
870 sp_document_ensure_up_to_date (svgDoc);
871 sp_item_invoke_bbox((SPItem *) svgDoc->root, &maybeArea,
872 sp_item_i2r_affine((SPItem *)(svgDoc->root)), TRUE);
874 NRArena *const arena = NRArena::create();
876 unsigned const key = sp_item_display_key_new(1);
878 NRArenaItem *root = sp_item_invoke_show((SPItem*)(svgDoc->root),
879 arena, key, SP_ITEM_SHOW_DISPLAY);
881 NRGC gc(NULL);
882 gc.transform = Geom::Matrix(Geom::Scale(scaleFactor, scaleFactor));
884 nr_arena_item_invoke_update (root, NULL, &gc,
885 NR_ARENA_ITEM_STATE_ALL, NR_ARENA_ITEM_STATE_NONE);
887 // Prepare a GDI compatible NRPixBlock
888 NRPixBlock pixBlock;
889 pixBlock.size = NR_PIXBLOCK_SIZE_BIG;
890 pixBlock.mode = NR_PIXBLOCK_MODE_R8G8B8;
891 pixBlock.empty = 1;
892 pixBlock.visible_area.x0 = pixBlock.area.x0 = 0;
893 pixBlock.visible_area.y0 = pixBlock.area.y0 = 0;
894 pixBlock.visible_area.x1 = pixBlock.area.x1 = scaledSvgWidth;
895 pixBlock.visible_area.y1 = pixBlock.area.y1 = scaledSvgHeight;
896 pixBlock.rs = 4 * ((3 * (int)scaledSvgWidth + 3) / 4);
897 pixBlock.data.px = g_try_new (unsigned char, pixBlock.rs * scaledSvgHeight);
899 // Fail if the pixblock failed to allocate
900 if(pixBlock.data.px == NULL)
901 {
902 sp_document_unref(svgDoc);
903 return false;
904 }
906 memset(pixBlock.data.px, 0xFF, pixBlock.rs * scaledSvgHeight);
908 memcpy(&root->bbox, &areaL, sizeof(areaL));
910 // Render the image
911 nr_arena_item_invoke_render(NULL, root, &bbox, &pixBlock, /*0*/NR_ARENA_ITEM_RENDER_NO_CACHE);
913 // Tidy up
914 sp_document_unref(svgDoc);
915 sp_item_invoke_hide((SPItem*)(svgDoc->root), key);
916 nr_arena_item_unref(root);
917 nr_object_unref((NRObject *) arena);
919 // Create the GDK pixbuf
920 _mutex->lock();
922 _preview_bitmap_image = Gdk::Pixbuf::create_from_data(
923 pixBlock.data.px, Gdk::COLORSPACE_RGB, false, 8,
924 (int)scaledSvgWidth, (int)scaledSvgHeight, pixBlock.rs,
925 sigc::ptr_fun(destroy_svg_rendering));
927 _preview_document_width = scaledSvgWidth;
928 _preview_document_height = scaledSvgHeight;
929 _preview_image_width = svgWidth;
930 _preview_image_height = svgHeight;
932 _mutex->unlock();
934 return true;
935 }
937 void FileOpenDialogImplWin32::destroy_svg_rendering(const guint8 *buffer)
938 {
939 g_assert(buffer != NULL);
940 g_free((void*)buffer);
941 }
943 bool FileOpenDialogImplWin32::set_image_preview()
944 {
945 const Glib::ustring path = utf16_to_ustring(_path_string, _MAX_PATH);
947 bool successful = false;
949 _mutex->lock();
951 try {
952 _preview_bitmap_image = Gdk::Pixbuf::create_from_file(path);
953 if (_preview_bitmap_image) {
954 _preview_image_width = _preview_bitmap_image->get_width();
955 _preview_document_width = _preview_image_width;
956 _preview_image_height = _preview_bitmap_image->get_height();
957 _preview_document_height = _preview_image_height;
958 successful = true;
959 }
960 }
961 catch (const Gdk::PixbufError&) {}
962 catch (const Glib::FileError&) {}
964 _mutex->unlock();
966 return successful;
967 }
969 // Aldus Placeable Header ===================================================
970 // Since we are a 32bit app, we have to be sure this structure compiles to
971 // be identical to a 16 bit app's version. To do this, we use the #pragma
972 // to adjust packing, we use a WORD for the hmf handle, and a SMALL_RECT
973 // for the bbox rectangle.
974 #pragma pack( push )
975 #pragma pack( 2 )
976 typedef struct
977 {
978 DWORD dwKey;
979 WORD hmf;
980 SMALL_RECT bbox;
981 WORD wInch;
982 DWORD dwReserved;
983 WORD wCheckSum;
984 } APMHEADER, *PAPMHEADER;
985 #pragma pack( pop )
988 static HENHMETAFILE
989 MyGetEnhMetaFileW( const WCHAR *filename )
990 {
991 // Try open as Enhanced Metafile
992 HENHMETAFILE hemf = GetEnhMetaFileW(filename);
994 if (!hemf) {
995 // Try open as Windows Metafile
996 HMETAFILE hmf = GetMetaFileW(filename);
998 METAFILEPICT mp;
999 HDC hDC;
1001 if (!hmf) {
1002 WCHAR szTemp[MAX_PATH];
1004 DWORD dw = GetShortPathNameW( filename, szTemp, MAX_PATH );
1005 if (dw) {
1006 hmf = GetMetaFileW( szTemp );
1007 }
1008 }
1010 if (hmf) {
1011 // Convert Windows Metafile to Enhanced Metafile
1012 DWORD nSize = GetMetaFileBitsEx( hmf, 0, NULL );
1014 if (nSize) {
1015 BYTE *lpvData = new BYTE[nSize];
1016 if (lpvData) {
1017 DWORD dw = GetMetaFileBitsEx( hmf, nSize, lpvData );
1018 if (dw) {
1019 // Fill out a METAFILEPICT structure
1020 mp.mm = MM_ANISOTROPIC;
1021 mp.xExt = 1000;
1022 mp.yExt = 1000;
1023 mp.hMF = NULL;
1024 // Get a reference DC
1025 hDC = GetDC( NULL );
1026 // Make an enhanced metafile from the windows metafile
1027 hemf = SetWinMetaFileBits( nSize, lpvData, hDC, &mp );
1028 // Clean up
1029 ReleaseDC( NULL, hDC );
1030 DeleteMetaFile( hmf );
1031 }
1032 delete[] lpvData;
1033 }
1034 else {
1035 DeleteMetaFile( hmf );
1036 }
1037 }
1038 else {
1039 DeleteMetaFile( hmf );
1040 }
1041 }
1042 else {
1043 // Try open as Aldus Placeable Metafile
1044 HANDLE hFile;
1045 hFile = CreateFileW( filename, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
1047 if (hFile != INVALID_HANDLE_VALUE) {
1048 DWORD nSize = GetFileSize( hFile, NULL );
1049 if (nSize) {
1050 BYTE *lpvData = new BYTE[nSize];
1051 if (lpvData) {
1052 DWORD dw = ReadFile( hFile, lpvData, nSize, &nSize, NULL );
1053 if (dw) {
1054 if ( ((PAPMHEADER)lpvData)->dwKey == 0x9ac6cdd7l ) {
1055 // Fill out a METAFILEPICT structure
1056 mp.mm = MM_ANISOTROPIC;
1057 mp.xExt = ((PAPMHEADER)lpvData)->bbox.Right - ((PAPMHEADER)lpvData)->bbox.Left;
1058 mp.xExt = ( mp.xExt * 2540l ) / (DWORD)(((PAPMHEADER)lpvData)->wInch);
1059 mp.yExt = ((PAPMHEADER)lpvData)->bbox.Bottom - ((PAPMHEADER)lpvData)->bbox.Top;
1060 mp.yExt = ( mp.yExt * 2540l ) / (DWORD)(((PAPMHEADER)lpvData)->wInch);
1061 mp.hMF = NULL;
1062 // Get a reference DC
1063 hDC = GetDC( NULL );
1064 // Create an enhanced metafile from the bits
1065 hemf = SetWinMetaFileBits( nSize, lpvData+sizeof(APMHEADER), hDC, &mp );
1066 // Clean up
1067 ReleaseDC( NULL, hDC );
1068 }
1069 }
1070 delete[] lpvData;
1071 }
1072 }
1073 CloseHandle( hFile );
1074 }
1075 }
1076 }
1078 return hemf;
1079 }
1082 bool FileOpenDialogImplWin32::set_emf_preview()
1083 {
1084 _mutex->lock();
1086 BOOL ok = FALSE;
1088 DWORD w = 0;
1089 DWORD h = 0;
1091 HENHMETAFILE hemf = MyGetEnhMetaFileW( _path_string );
1093 if (hemf)
1094 {
1095 ENHMETAHEADER emh;
1096 ZeroMemory(&emh, sizeof(emh));
1097 ok = GetEnhMetaFileHeader(hemf, sizeof(emh), &emh) != 0;
1099 w = (emh.rclFrame.right - emh.rclFrame.left);
1100 h = (emh.rclFrame.bottom - emh.rclFrame.top);
1102 DeleteEnhMetaFile(hemf);
1103 }
1105 if (ok)
1106 {
1107 const int PreviewSize = 512;
1109 // Get the size of the document
1110 const double emfWidth = w;
1111 const double emfHeight = h;
1113 // Find the minimum scale to fit the image inside the preview area
1114 const double scaleFactorX = PreviewSize / emfWidth;
1115 const double scaleFactorY = PreviewSize / emfHeight;
1116 const double scaleFactor = (scaleFactorX > scaleFactorY) ? scaleFactorY : scaleFactorX;
1118 // Now get the resized values
1119 const double scaledEmfWidth = scaleFactor * emfWidth;
1120 const double scaledEmfHeight = scaleFactor * emfHeight;
1122 _preview_document_width = scaledEmfWidth;
1123 _preview_document_height = scaledEmfHeight;
1124 _preview_image_width = emfWidth;
1125 _preview_image_height = emfHeight;
1127 _preview_emf_image = true;
1128 }
1130 _mutex->unlock();
1132 return ok;
1133 }
1135 void FileOpenDialogImplWin32::render_preview()
1136 {
1137 double x, y;
1138 const double blurRadius = 8;
1139 const double halfBlurRadius = blurRadius / 2;
1140 const int shaddowOffsetX = 0;
1141 const int shaddowOffsetY = 2;
1142 const int pagePadding = 5;
1143 const double shaddowAlpha = 0.75;
1145 // Is the preview showing?
1146 if(!_show_preview)
1147 return;
1149 // Do we have anything to render?
1150 _mutex->lock();
1152 if(!_preview_bitmap_image && !_preview_emf_image)
1153 {
1154 _mutex->unlock();
1155 return;
1156 }
1158 // Tidy up any previous bitmap renderings
1159 if(_preview_bitmap != NULL)
1160 DeleteObject(_preview_bitmap);
1161 _preview_bitmap = NULL;
1163 // Calculate the size of the caption
1164 int captionHeight = 0;
1166 if(_preview_wnd != NULL)
1167 {
1168 RECT rcCaptionRect;
1169 WCHAR szCaption[_MAX_FNAME + 32];
1170 const int iLength = format_caption(szCaption,
1171 sizeof(szCaption) / sizeof(WCHAR));
1173 HDC dc = GetDC(_preview_wnd);
1174 DrawTextW(dc, szCaption, iLength, &rcCaptionRect,
1175 DT_CENTER | DT_TOP | DT_NOPREFIX | DT_PATH_ELLIPSIS | DT_CALCRECT);
1176 ReleaseDC(_preview_wnd, dc);
1178 captionHeight = rcCaptionRect.bottom - rcCaptionRect.top;
1179 }
1181 // Find the minimum scale to fit the image inside the preview area
1182 const double scaleFactorX =
1183 ((double)_preview_width - pagePadding * 2 - blurRadius) / _preview_document_width;
1184 const double scaleFactorY =
1185 ((double)_preview_height - pagePadding * 2
1186 - shaddowOffsetY - halfBlurRadius - captionHeight) / _preview_document_height;
1187 double scaleFactor = (scaleFactorX > scaleFactorY) ? scaleFactorY : scaleFactorX;
1188 scaleFactor = (scaleFactor > 1.0) ? 1.0 : scaleFactor;
1190 // Now get the resized values
1191 const double scaledSvgWidth = scaleFactor * _preview_document_width;
1192 const double scaledSvgHeight = scaleFactor * _preview_document_height;
1194 const int svgX = pagePadding + halfBlurRadius;
1195 const int svgY = pagePadding;
1197 const int frameX = svgX - pagePadding;
1198 const int frameY = svgY - pagePadding;
1199 const int frameWidth = scaledSvgWidth + pagePadding * 2;
1200 const int frameHeight = scaledSvgHeight + pagePadding * 2;
1202 const int totalWidth = (int)ceil(frameWidth + blurRadius);
1203 const int totalHeight = (int)ceil(frameHeight + blurRadius);
1205 // Prepare the drawing surface
1206 HDC hDC = GetDC(_preview_wnd);
1207 HDC hMemDC = CreateCompatibleDC(hDC);
1208 _preview_bitmap = CreateCompatibleBitmap(hDC, totalWidth, totalHeight);
1209 HBITMAP hOldBitmap = (HBITMAP)SelectObject(hMemDC, _preview_bitmap);
1210 Cairo::RefPtr<Win32Surface> surface = Win32Surface::create(hMemDC);
1211 Cairo::RefPtr<Context> context = Context::create(surface);
1213 // Paint the background to match the dialog colour
1214 const COLORREF background = GetSysColor(COLOR_3DFACE);
1215 context->set_source_rgb(
1216 GetRValue(background) / 255.0,
1217 GetGValue(background) / 255.0,
1218 GetBValue(background) / 255.0);
1219 context->paint();
1221 //----- Draw the drop shaddow -----//
1223 // Left Edge
1224 x = frameX + shaddowOffsetX - halfBlurRadius;
1225 Cairo::RefPtr<LinearGradient> leftEdgeFade = LinearGradient::create(
1226 x, 0.0, x + blurRadius, 0.0);
1227 leftEdgeFade->add_color_stop_rgba (0, 0, 0, 0, 0);
1228 leftEdgeFade->add_color_stop_rgba (1, 0, 0, 0, shaddowAlpha);
1229 context->set_source(leftEdgeFade);
1230 context->rectangle (x, frameY + shaddowOffsetY + halfBlurRadius,
1231 blurRadius, frameHeight - blurRadius);
1232 context->fill();
1234 // Right Edge
1235 x = frameX + frameWidth + shaddowOffsetX - halfBlurRadius;
1236 Cairo::RefPtr<LinearGradient> rightEdgeFade = LinearGradient::create(
1237 x, 0.0, x + blurRadius, 0.0);
1238 rightEdgeFade->add_color_stop_rgba (0, 0, 0, 0, shaddowAlpha);
1239 rightEdgeFade->add_color_stop_rgba (1, 0, 0, 0, 0);
1240 context->set_source(rightEdgeFade);
1241 context->rectangle (frameX + frameWidth + shaddowOffsetX - halfBlurRadius,
1242 frameY + shaddowOffsetY + halfBlurRadius,
1243 blurRadius, frameHeight - blurRadius);
1244 context->fill();
1246 // Top Edge
1247 y = frameY + shaddowOffsetY - halfBlurRadius;
1248 Cairo::RefPtr<LinearGradient> topEdgeFade = LinearGradient::create(
1249 0.0, y, 0.0, y + blurRadius);
1250 topEdgeFade->add_color_stop_rgba (0, 0, 0, 0, 0);
1251 topEdgeFade->add_color_stop_rgba (1, 0, 0, 0, shaddowAlpha);
1252 context->set_source(topEdgeFade);
1253 context->rectangle (frameX + shaddowOffsetX + halfBlurRadius, y,
1254 frameWidth - blurRadius, blurRadius);
1255 context->fill();
1257 // Bottom Edge
1258 y = frameY + frameHeight + shaddowOffsetY - halfBlurRadius;
1259 Cairo::RefPtr<LinearGradient> bottomEdgeFade = LinearGradient::create(
1260 0.0, y, 0.0, y + blurRadius);
1261 bottomEdgeFade->add_color_stop_rgba (0, 0, 0, 0, shaddowAlpha);
1262 bottomEdgeFade->add_color_stop_rgba (1, 0, 0, 0, 0);
1263 context->set_source(bottomEdgeFade);
1264 context->rectangle (frameX + shaddowOffsetX + halfBlurRadius, y,
1265 frameWidth - blurRadius, blurRadius);
1266 context->fill();
1268 // Top Left Corner
1269 x = frameX + shaddowOffsetX - halfBlurRadius;
1270 y = frameY + shaddowOffsetY - halfBlurRadius;
1271 Cairo::RefPtr<RadialGradient> topLeftCornerFade = RadialGradient::create(
1272 x + blurRadius, y + blurRadius, 0, x + blurRadius, y + blurRadius, blurRadius);
1273 topLeftCornerFade->add_color_stop_rgba (0, 0, 0, 0, shaddowAlpha);
1274 topLeftCornerFade->add_color_stop_rgba (1, 0, 0, 0, 0);
1275 context->set_source(topLeftCornerFade);
1276 context->rectangle (x, y, blurRadius, blurRadius);
1277 context->fill();
1279 // Top Right Corner
1280 x = frameX + frameWidth + shaddowOffsetX - halfBlurRadius;
1281 y = frameY + shaddowOffsetY - halfBlurRadius;
1282 Cairo::RefPtr<RadialGradient> topRightCornerFade = RadialGradient::create(
1283 x, y + blurRadius, 0, x, y + blurRadius, blurRadius);
1284 topRightCornerFade->add_color_stop_rgba (0, 0, 0, 0, shaddowAlpha);
1285 topRightCornerFade->add_color_stop_rgba (1, 0, 0, 0, 0);
1286 context->set_source(topRightCornerFade);
1287 context->rectangle (x, y, blurRadius, blurRadius);
1288 context->fill();
1290 // Bottom Left Corner
1291 x = frameX + shaddowOffsetX - halfBlurRadius;
1292 y = frameY + frameHeight + shaddowOffsetY - halfBlurRadius;
1293 Cairo::RefPtr<RadialGradient> bottomLeftCornerFade = RadialGradient::create(
1294 x + blurRadius, y, 0, x + blurRadius, y, blurRadius);
1295 bottomLeftCornerFade->add_color_stop_rgba (0, 0, 0, 0, shaddowAlpha);
1296 bottomLeftCornerFade->add_color_stop_rgba (1, 0, 0, 0, 0);
1297 context->set_source(bottomLeftCornerFade);
1298 context->rectangle (x, y, blurRadius, blurRadius);
1299 context->fill();
1301 // Bottom Right Corner
1302 x = frameX + frameWidth + shaddowOffsetX - halfBlurRadius;
1303 y = frameY + frameHeight + shaddowOffsetY - halfBlurRadius;
1304 Cairo::RefPtr<RadialGradient> bottomRightCornerFade = RadialGradient::create(
1305 x, y, 0, x, y, blurRadius);
1306 bottomRightCornerFade->add_color_stop_rgba (0, 0, 0, 0, shaddowAlpha);
1307 bottomRightCornerFade->add_color_stop_rgba (1, 0, 0, 0, 0);
1308 context->set_source(bottomRightCornerFade);
1309 context->rectangle (frameX + frameWidth + shaddowOffsetX - halfBlurRadius,
1310 frameY + frameHeight + shaddowOffsetY - halfBlurRadius,
1311 blurRadius, blurRadius);
1312 context->fill();
1314 // Draw the frame
1315 context->set_line_width(1);
1316 context->rectangle (frameX, frameY, frameWidth, frameHeight);
1318 context->set_source_rgb(1.0, 1.0, 1.0);
1319 context->fill_preserve();
1320 context->set_source_rgb(0.25, 0.25, 0.25);
1321 context->stroke_preserve();
1323 // Draw the image
1324 if(_preview_bitmap_image) // Is the image a pixbuf?
1325 {
1326 // Set the transformation
1327 const Matrix matrix = {
1328 scaleFactor, 0,
1329 0, scaleFactor,
1330 svgX, svgY };
1331 context->set_matrix (matrix);
1333 // Render the image
1334 set_source_pixbuf (context, _preview_bitmap_image, 0, 0);
1335 context->paint();
1337 // Reset the transformation
1338 context->set_identity_matrix();
1339 }
1341 // Draw the inner frame
1342 context->set_source_rgb(0.75, 0.75, 0.75);
1343 context->rectangle (svgX, svgY, scaledSvgWidth, scaledSvgHeight);
1344 context->stroke();
1346 _mutex->unlock();
1348 // Finish drawing
1349 surface->finish();
1351 if (_preview_emf_image) {
1352 HENHMETAFILE hemf = MyGetEnhMetaFileW(_path_string);
1353 if (hemf) {
1354 RECT rc;
1355 rc.top = svgY+2;
1356 rc.left = svgX+2;
1357 rc.bottom = scaledSvgHeight-2;
1358 rc.right = scaledSvgWidth-2;
1359 PlayEnhMetaFile(hMemDC, hemf, &rc);
1360 DeleteEnhMetaFile(hemf);
1361 }
1362 }
1364 SelectObject(hMemDC, hOldBitmap) ;
1365 DeleteDC(hMemDC);
1367 // Refresh the preview pane
1368 InvalidateRect(_preview_wnd, NULL, FALSE);
1369 }
1371 int FileOpenDialogImplWin32::format_caption(wchar_t *caption, int caption_size)
1372 {
1373 wchar_t szFileName[_MAX_FNAME];
1374 _wsplitpath(_path_string, NULL, NULL, szFileName, NULL);
1376 return snwprintf(caption, caption_size,
1377 L"%s\n%d kB\n%d \xD7 %d", szFileName, _preview_file_size,
1378 (int)_preview_document_width, (int)_preview_document_height);
1379 }
1381 /**
1382 * Show this dialog modally. Return true if user hits [OK]
1383 */
1384 bool
1385 FileOpenDialogImplWin32::show()
1386 {
1387 // We can only run one worker thread at a time
1388 if(_mutex != NULL) return false;
1390 if(!Glib::thread_supported())
1391 Glib::thread_init();
1393 _result = false;
1394 _finished = false;
1395 _file_selected = false;
1396 _mutex = new Glib::Mutex();
1397 _main_loop = g_main_loop_new(g_main_context_default(), FALSE);
1399 if(Glib::Thread::create(sigc::mem_fun(*this, &FileOpenDialogImplWin32::GetOpenFileName_thread), true))
1400 {
1401 while(1)
1402 {
1403 g_main_context_iteration(g_main_context_default(), FALSE);
1405 if(_mutex->trylock())
1406 {
1407 // Read mutexed data
1408 const bool finished = _finished;
1409 const bool is_file_selected = _file_selected;
1410 _file_selected = false;
1411 _mutex->unlock();
1413 if(finished) break;
1414 if(is_file_selected) file_selected();
1415 }
1417 Sleep(10);
1418 }
1419 }
1421 // Tidy up
1422 delete _mutex;
1423 _mutex = NULL;
1425 return _result;
1426 }
1428 /**
1429 * To Get Multiple filenames selected at-once.
1430 */
1431 std::vector<Glib::ustring>FileOpenDialogImplWin32::getFilenames()
1432 {
1433 std::vector<Glib::ustring> result;
1434 result.push_back(getFilename());
1435 return result;
1436 }
1439 /*#########################################################################
1440 ### F I L E S A V E
1441 #########################################################################*/
1443 /**
1444 * Constructor
1445 */
1446 FileSaveDialogImplWin32::FileSaveDialogImplWin32(Gtk::Window &parent,
1447 const Glib::ustring &dir,
1448 FileDialogType fileTypes,
1449 const char *title,
1450 const Glib::ustring &/*default_key*/) :
1451 FileDialogBaseWin32(parent, dir, title, fileTypes, "dialogs.save_as")
1452 {
1453 createFilterMenu();
1454 }
1456 FileSaveDialogImplWin32::~FileSaveDialogImplWin32()
1457 {
1458 }
1460 void FileSaveDialogImplWin32::createFilterMenu()
1461 {
1462 list<Filter> filter_list;
1464 knownExtensions.clear();
1466 // Compose the filter string
1467 Glib::ustring all_inkscape_files_filter, all_image_files_filter;
1468 Inkscape::Extension::DB::OutputList extension_list;
1469 Inkscape::Extension::db.get_output_list(extension_list);
1471 int filter_count = 0;
1472 int filter_length = 1;
1474 for (Inkscape::Extension::DB::OutputList::iterator current_item = extension_list.begin();
1475 current_item != extension_list.end(); current_item++)
1476 {
1477 Inkscape::Extension::Output *omod = *current_item;
1478 if (omod->deactivated()) continue;
1480 filter_count++;
1482 Filter filter;
1484 // Extension
1485 const gchar *filter_extension = omod->get_extension();
1486 filter.filter = g_utf8_to_utf16(
1487 filter_extension, -1, NULL, &filter.filter_length, NULL);
1488 knownExtensions.insert( Glib::ustring(filter_extension).casefold() );
1490 // Type
1491 filter.name = g_utf8_to_utf16(
1492 _(omod->get_filetypename()), -1, NULL, &filter.name_length, NULL);
1494 filter.mod = omod;
1496 filter_length += filter.name_length +
1497 filter.filter_length + 3; // Add 3 for two \0s and a *
1499 filter_list.push_back(filter);
1500 }
1502 int extension_index = 0;
1503 _extension_map = new Inkscape::Extension::Extension*[filter_count];
1505 _filter = new wchar_t[filter_length];
1506 wchar_t *filterptr = _filter;
1508 for(list<Filter>::iterator filter_iterator = filter_list.begin();
1509 filter_iterator != filter_list.end(); filter_iterator++)
1510 {
1511 const Filter &filter = *filter_iterator;
1513 wcsncpy(filterptr, (wchar_t*)filter.name, filter.name_length);
1514 filterptr += filter.name_length;
1515 g_free(filter.name);
1517 *(filterptr++) = L'\0';
1518 *(filterptr++) = L'*';
1520 wcsncpy(filterptr, (wchar_t*)filter.filter, filter.filter_length);
1521 filterptr += filter.filter_length;
1522 g_free(filter.filter);
1524 *(filterptr++) = L'\0';
1526 // Associate this input extension with the file type name
1527 _extension_map[extension_index++] = filter.mod;
1528 }
1529 *(filterptr++) = 0;
1531 _filter_count = extension_index;
1532 _filter_index = 1; // A value of 1 selects the 1st filter - NOT the 2nd
1533 }
1535 void FileSaveDialogImplWin32::GetSaveFileName_thread()
1536 {
1537 OPENFILENAMEEXW ofn;
1539 g_assert(this != NULL);
1540 g_assert(_main_loop != NULL);
1542 WCHAR* current_directory_string = (WCHAR*)g_utf8_to_utf16(
1543 _current_directory.data(), _current_directory.length(),
1544 NULL, NULL, NULL);
1546 // Copy the selected file name, converting from UTF-8 to UTF-16
1547 memset(_path_string, 0, sizeof(_path_string));
1548 gunichar2* utf16_path_string = g_utf8_to_utf16(
1549 myFilename.data(), -1, NULL, NULL, NULL);
1550 wcsncpy(_path_string, (wchar_t*)utf16_path_string, _MAX_PATH);
1551 g_free(utf16_path_string);
1553 ZeroMemory(&ofn, sizeof(ofn));
1554 ofn.lStructSize = sizeof(ofn);
1555 ofn.hwndOwner = _ownerHwnd;
1556 ofn.lpstrFile = _path_string;
1557 ofn.nMaxFile = _MAX_PATH;
1558 ofn.nFilterIndex = _filter_index;
1559 ofn.lpstrFileTitle = NULL;
1560 ofn.nMaxFileTitle = 0;
1561 ofn.lpstrInitialDir = current_directory_string;
1562 ofn.lpstrTitle = _title;
1563 ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
1564 ofn.lpstrFilter = _filter;
1565 ofn.nFilterIndex = _filter_index;
1567 _result = GetSaveFileNameW(&ofn) != 0;
1569 g_assert(ofn.nFilterIndex >= 1 && ofn.nFilterIndex <= _filter_count);
1570 _filter_index = ofn.nFilterIndex;
1571 _extension = _extension_map[ofn.nFilterIndex - 1];
1573 // Copy the selected file name, converting from UTF-16 to UTF-8
1574 myFilename = utf16_to_ustring(_path_string, _MAX_PATH);
1576 // Tidy up
1577 g_free(current_directory_string);
1579 g_main_loop_quit(_main_loop);
1580 }
1582 /**
1583 * Show this dialog modally. Return true if user hits [OK]
1584 */
1585 bool
1586 FileSaveDialogImplWin32::show()
1587 {
1588 if(!Glib::thread_supported())
1589 Glib::thread_init();
1591 _result = false;
1592 _main_loop = g_main_loop_new(g_main_context_default(), FALSE);
1594 if(_main_loop != NULL)
1595 {
1596 if(Glib::Thread::create(sigc::mem_fun(*this, &FileSaveDialogImplWin32::GetSaveFileName_thread), true))
1597 g_main_loop_run(_main_loop);
1599 if(_result)
1600 appendExtension(myFilename, (Inkscape::Extension::Output*)_extension);
1601 }
1603 return _result;
1604 }
1606 void FileSaveDialogImplWin32::setSelectionType( Inkscape::Extension::Extension * /*key*/ )
1607 {
1608 // If no pointer to extension is passed in, look up based on filename extension.
1610 }
1612 }
1613 }
1614 }
1616 #endif
1618 /*
1619 Local Variables:
1620 mode:c++
1621 c-file-style:"stroustrup"
1622 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1623 indent-tabs-mode:nil
1624 fill-column:99
1625 End:
1626 */
1627 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :