#ifdef WIN32

#ifdef HAVE_CONFIG_H

# include <config.h>

#endif

#include <list>

#include <unistd.h>

#include <sys/stat.h>

#include <errno.h>

#include <set>

#include <gdk/gdkwin32.h>

#include <glib/gstdio.h>

#include <glibmm/i18n.h>

#include <gtkmm/window.h>

#include "inkscape.h"

#include <dialogs/dialog-events.h>

#include <extension/input.h>

#include <extension/output.h>

#include <extension/db.h>

#include <libnr/nr-pixops.h>

#include <libnr/nr-translate-scale-ops.h>

#include <display/nr-arena-item.h>

#include <display/nr-arena.h>

#include "sp-item.h"

#include "display/canvas-arena.h"

#include "filedialog.h"

#include "filedialogimpl-win32.h"

#include "sp-root.h"

#include <zlib.h>

#include <cairomm/win32_surface.h>

#include <cairomm/context.h>

using namespace std;

using namespace Glib;

using namespace Cairo;

using namespace Gdk::Cairo;

namespace Inkscape

{

namespace UI

{

namespace Dialog

{

const int PREVIEW_WIDENING = 150;

const int WINDOW_WIDTH_MINIMUM = 32;

const int WINDOW_WIDTH_FALLBACK = 450;

const int WINDOW_HEIGHT_MINIMUM = 32;

const int WINDOW_HEIGHT_FALLBACK = 360;

const char PreviewWindowClassName[] = "PreviewWnd";

const unsigned long MaxPreviewFileSize = 10240; // kB

#define IDC_SHOW_PREVIEW 1000

struct OPENFILENAMEEXW : public OPENFILENAMEW {

void * pvReserved;

DWORD dwReserved;

DWORD FlagsEx;

};

struct Filter

{

gunichar2* name;

glong name_length;

gunichar2* filter;

glong filter_length;

Inkscape::Extension::Extension* mod;

};

ustring utf16_to_ustring(const wchar_t *utf16string, int utf16length = -1)

{

gchar *utf8string = g_utf16_to_utf8((const gunichar2*)utf16string,

utf16length, NULL, NULL, NULL);

ustring result(utf8string);

g_free(utf8string);

return result;

}

namespace {

int sanitizeWindowSizeParam( int size, int delta, int minimum, int fallback )

{

int result = size;

if ( size < minimum ) {

g_warning( "Window size %d is less than cutoff.", size );

result = fallback - delta;

}

result += delta;

return result;

}

} // namespace

FileDialogBaseWin32::FileDialogBaseWin32(Gtk::Window &parent,

const Glib::ustring &dir, const gchar *title,

FileDialogType type, gchar const* /*preferenceBase*/) :

dialogType(type),

parent(parent),

_current_directory(dir)

{

_main_loop = NULL;

_filter_index = 1;

_filter_count = 0;

_title = (wchar_t*)g_utf8_to_utf16(title, -1, NULL, NULL, NULL);

g_assert(_title != NULL);

Glib::RefPtr<const Gdk::Window> parentWindow = parent.get_window();

g_assert(parentWindow->gobj() != NULL);

_ownerHwnd = (HWND)gdk_win32_drawable_get_handle((GdkDrawable*)parentWindow->gobj());

}

FileDialogBaseWin32::~FileDialogBaseWin32()

{

g_free(_title);

}

Inkscape::Extension::Extension *FileDialogBaseWin32::getSelectionType()

{

return _extension;

}

Glib::ustring FileDialogBaseWin32::getCurrentDirectory()

{

return _current_directory;

}

bool FileOpenDialogImplWin32::_show_preview = true;

FileOpenDialogImplWin32::FileOpenDialogImplWin32(Gtk::Window &parent,

const Glib::ustring &dir,

FileDialogType fileTypes,

const gchar *title) :

FileDialogBaseWin32(parent, dir, title, fileTypes, "dialogs.open")

{

// Initalize to Autodetect

_extension = NULL;

// Set our dialog type (open, import, etc...)

dialogType = fileTypes;

_show_preview_button_bitmap = NULL;

_preview_wnd = NULL;

_file_dialog_wnd = NULL;

_base_window_proc = NULL;

_preview_file_size = 0;

_preview_bitmap = NULL;

_preview_file_icon = NULL;

_preview_document_width = 0;

_preview_document_height = 0;

_preview_image_width = 0;

_preview_image_height = 0;

_preview_emf_image = false;

_mutex = NULL;

createFilterMenu();

}

FileOpenDialogImplWin32::~FileOpenDialogImplWin32()

{

if(_filter != NULL)

delete[] _filter;

if(_extension_map != NULL)

delete[] _extension_map;

}

void FileOpenDialogImplWin32::createFilterMenu()

{

list<Filter> filter_list;

int extension_index = 0;

int filter_length = 1;

if (dialogType != EXE_TYPES) {

// Compose the filter string

Inkscape::Extension::DB::InputList extension_list;

Inkscape::Extension::db.get_input_list(extension_list);

ustring all_inkscape_files_filter, all_image_files_filter, all_vectors_filter, all_bitmaps_filter;

Filter all_files, all_inkscape_files, all_image_files, all_vectors, all_bitmaps;

const gchar *all_files_filter_name = _("All Files");

const gchar *all_inkscape_files_filter_name = _("All Inkscape Files");

const gchar *all_image_files_filter_name = _("All Images");

const gchar *all_vectors_filter_name = _("All Vectors");

const gchar *all_bitmaps_filter_name = _("All Bitmaps");

// Calculate the amount of memory required

int filter_count = 5; // 5 - one for each filter type

for (Inkscape::Extension::DB::InputList::iterator current_item = extension_list.begin();

current_item != extension_list.end(); current_item++)

{

Filter filter;

Inkscape::Extension::Input *imod = *current_item;

if (imod->deactivated()) continue;

// Type

filter.name = g_utf8_to_utf16(_(imod->get_filetypename()),

-1, NULL, &filter.name_length, NULL);

// Extension

const gchar *file_extension_name = imod->get_extension();

filter.filter = g_utf8_to_utf16(file_extension_name,

-1, NULL, &filter.filter_length, NULL);

filter.mod = imod;

filter_list.push_back(filter);

filter_length += filter.name_length +

filter.filter_length + 3; // Add 3 for two \0s and a *

// Add to the "All Inkscape Files" Entry

if(all_inkscape_files_filter.length() > 0)

all_inkscape_files_filter += ";*";

all_inkscape_files_filter += file_extension_name;

if( strncmp("image", imod->get_mimetype(), 5) == 0)

{

// Add to the "All Image Files" Entry

if(all_image_files_filter.length() > 0)

all_image_files_filter += ";*";

all_image_files_filter += file_extension_name;

}

// I don't know of any other way to define "bitmap" formats other than by listing them

// if you change it here, do the same change in filedialogimpl-gtkmm

if (

strncmp("image/png", imod->get_mimetype(), 9)==0 ||

strncmp("image/jpeg", imod->get_mimetype(), 10)==0 ||

strncmp("image/gif", imod->get_mimetype(), 9)==0 ||

strncmp("image/x-icon", imod->get_mimetype(), 12)==0 ||

strncmp("image/x-navi-animation", imod->get_mimetype(), 22)==0 ||

strncmp("image/x-cmu-raster", imod->get_mimetype(), 18)==0 ||

strncmp("image/x-xpixmap", imod->get_mimetype(), 15)==0 ||

strncmp("image/bmp", imod->get_mimetype(), 9)==0 ||

strncmp("image/vnd.wap.wbmp", imod->get_mimetype(), 18)==0 ||

strncmp("image/tiff", imod->get_mimetype(), 10)==0 ||

strncmp("image/x-xbitmap", imod->get_mimetype(), 15)==0 ||

strncmp("image/x-tga", imod->get_mimetype(), 11)==0 ||

strncmp("image/x-pcx", imod->get_mimetype(), 11)==0

) {

if(all_bitmaps_filter.length() > 0)

all_bitmaps_filter += ";*";

all_bitmaps_filter += file_extension_name;

} else {

if(all_vectors_filter.length() > 0)

all_vectors_filter += ";*";

all_vectors_filter += file_extension_name;

}

filter_count++;

}

_extension_map = new Inkscape::Extension::Extension*[filter_count];

// Filter bitmap files

all_bitmaps.name = g_utf8_to_utf16(all_bitmaps_filter_name,

-1, NULL, &all_bitmaps.name_length, NULL);

all_bitmaps.filter = g_utf8_to_utf16(all_bitmaps_filter.data(),

-1, NULL, &all_bitmaps.filter_length, NULL);

all_bitmaps.mod = NULL;

filter_list.push_front(all_bitmaps);

// Filter vector files

all_vectors.name = g_utf8_to_utf16(all_vectors_filter_name,

-1, NULL, &all_vectors.name_length, NULL);

all_vectors.filter = g_utf8_to_utf16(all_vectors_filter.data(),

-1, NULL, &all_vectors.filter_length, NULL);

all_vectors.mod = NULL;

filter_list.push_front(all_vectors);

// Filter Image Files

all_image_files.name = g_utf8_to_utf16(all_image_files_filter_name,

-1, NULL, &all_image_files.name_length, NULL);

all_image_files.filter = g_utf8_to_utf16(all_image_files_filter.data(),

-1, NULL, &all_image_files.filter_length, NULL);

all_image_files.mod = NULL;

filter_list.push_front(all_image_files);

// Filter Inkscape Files

all_inkscape_files.name = g_utf8_to_utf16(all_inkscape_files_filter_name,

-1, NULL, &all_inkscape_files.name_length, NULL);

all_inkscape_files.filter = g_utf8_to_utf16(all_inkscape_files_filter.data(),

-1, NULL, &all_inkscape_files.filter_length, NULL);

all_inkscape_files.mod = NULL;

filter_list.push_front(all_inkscape_files);

// Filter All Files

all_files.name = g_utf8_to_utf16(all_files_filter_name,

-1, NULL, &all_files.name_length, NULL);

all_files.filter = NULL;

all_files.filter_length = 0;

all_files.mod = NULL;

filter_list.push_front(all_files);

filter_length += all_files.name_length + 3 +

all_inkscape_files.filter_length +

all_inkscape_files.name_length + 3 +

all_image_files.filter_length +

all_image_files.name_length + 3 +

all_vectors.filter_length +

all_vectors.name_length + 3 +

all_bitmaps.filter_length +

all_bitmaps.name_length + 3 +

1;

// Add 3 for 2*2 \0s and a *, and 1 for a trailing \0

} else {

// Executables only

ustring all_exe_files_filter = "*.exe;*.bat;*.com";

Filter all_exe_files, all_files;

const gchar *all_files_filter_name = _("All Files");

const gchar *all_exe_files_filter_name = _("All Executable Files");

// Calculate the amount of memory required

int filter_count = 2; // 2 - All Files and All Executable Files

_extension_map = new Inkscape::Extension::Extension*[filter_count];

// Filter Executable Files

all_exe_files.name = g_utf8_to_utf16(all_exe_files_filter_name,

-1, NULL, &all_exe_files.name_length, NULL);

all_exe_files.filter = g_utf8_to_utf16(all_exe_files_filter.data(),

-1, NULL, &all_exe_files.filter_length, NULL);

all_exe_files.mod = NULL;

filter_list.push_front(all_exe_files);

// Filter All Files

all_files.name = g_utf8_to_utf16(all_files_filter_name,

-1, NULL, &all_files.name_length, NULL);

all_files.filter = NULL;

all_files.filter_length = 0;

all_files.mod = NULL;

filter_list.push_front(all_files);

filter_length += all_files.name_length + 3 +

all_exe_files.filter_length +

all_exe_files.name_length + 3 +

1;

// Add 3 for 2*2 \0s and a *, and 1 for a trailing \0

}

_filter = new wchar_t[filter_length];

wchar_t *filterptr = _filter;

for(list<Filter>::iterator filter_iterator = filter_list.begin();

filter_iterator != filter_list.end(); filter_iterator++)

{

const Filter &filter = *filter_iterator;

wcsncpy(filterptr, (wchar_t*)filter.name, filter.name_length);

filterptr += filter.name_length;

g_free(filter.name);

*(filterptr++) = L'\0';

*(filterptr++) = L'*';

if(filter.filter != NULL)

{

wcsncpy(filterptr, (wchar_t*)filter.filter, filter.filter_length);

filterptr += filter.filter_length;

g_free(filter.filter);

}

*(filterptr++) = L'\0';

// Associate this input extension with the file type name

_extension_map[extension_index++] = filter.mod;

}

*(filterptr++) = L'\0';

_filter_count = extension_index;

_filter_index = 2; // Select the 2nd filter in the list - 2 is NOT the 3rd

}

void FileOpenDialogImplWin32::GetOpenFileName_thread()

{

OPENFILENAMEEXW ofn;

g_assert(this != NULL);

g_assert(_mutex != NULL);

WCHAR* current_directory_string = (WCHAR*)g_utf8_to_utf16(

_current_directory.data(), _current_directory.length(),

NULL, NULL, NULL);

memset(&ofn, 0, sizeof(ofn));

// Copy the selected file name, converting from UTF-8 to UTF-16

memset(_path_string, 0, sizeof(_path_string));

gunichar2* utf16_path_string = g_utf8_to_utf16(

myFilename.data(), -1, NULL, NULL, NULL);

wcsncpy(_path_string, (wchar_t*)utf16_path_string, _MAX_PATH);

g_free(utf16_path_string);

ofn.lStructSize = sizeof(ofn);

ofn.hwndOwner = _ownerHwnd;

ofn.lpstrFile = _path_string;

ofn.nMaxFile = _MAX_PATH;

ofn.lpstrFileTitle = NULL;

ofn.nMaxFileTitle = 0;

ofn.lpstrInitialDir = current_directory_string;

ofn.lpstrTitle = _title;

ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST | OFN_EXPLORER | OFN_ENABLEHOOK | OFN_HIDEREADONLY | OFN_ENABLESIZING;

ofn.lpstrFilter = _filter;

ofn.nFilterIndex = _filter_index;

ofn.lpfnHook = GetOpenFileName_hookproc;

ofn.lCustData = (LPARAM)this;

_result = GetOpenFileNameW(&ofn) != 0;

g_assert(ofn.nFilterIndex >= 1 && ofn.nFilterIndex <= _filter_count);

_filter_index = ofn.nFilterIndex;

_extension = _extension_map[ofn.nFilterIndex - 1];

// Copy the selected file name, converting from UTF-16 to UTF-8

myFilename = utf16_to_ustring(_path_string, _MAX_PATH);

// Tidy up

g_free(current_directory_string);

_mutex->lock();

_finished = true;

_mutex->unlock();

}

void FileOpenDialogImplWin32::register_preview_wnd_class()

{

HINSTANCE hInstance = GetModuleHandle(NULL);

const WNDCLASSA PreviewWndClass =

{

CS_HREDRAW | CS_VREDRAW,

preview_wnd_proc,

0,

0,

hInstance,

NULL,

LoadCursor(hInstance, IDC_ARROW),

(HBRUSH)(COLOR_BTNFACE + 1),

NULL,

PreviewWindowClassName

};

RegisterClassA(&PreviewWndClass);

}

UINT_PTR CALLBACK FileOpenDialogImplWin32::GetOpenFileName_hookproc(

HWND hdlg, UINT uiMsg, WPARAM, LPARAM lParam)

{

FileOpenDialogImplWin32 *pImpl = (FileOpenDialogImplWin32*)

GetWindowLongPtr(hdlg, GWLP_USERDATA);

switch(uiMsg)

{

case WM_INITDIALOG:

{

HWND hParentWnd = GetParent(hdlg);

HINSTANCE hInstance = GetModuleHandle(NULL);

// Set the pointer to the object

OPENFILENAMEW *ofn = (OPENFILENAMEW*)lParam;

SetWindowLongPtr(hdlg, GWLP_USERDATA, ofn->lCustData);

SetWindowLongPtr(hParentWnd, GWLP_USERDATA, ofn->lCustData);

pImpl = (FileOpenDialogImplWin32*)ofn->lCustData;

// Make the window a bit wider

RECT rcRect;

GetWindowRect(hParentWnd, &rcRect);

// Don't show the preview when opening executable files

if ( pImpl->dialogType == EXE_TYPES) {

MoveWindow(hParentWnd, rcRect.left, rcRect.top,

rcRect.right - rcRect.left,

rcRect.bottom - rcRect.top,

FALSE);

} else {

MoveWindow(hParentWnd, rcRect.left, rcRect.top,

rcRect.right - rcRect.left + PREVIEW_WIDENING,

rcRect.bottom - rcRect.top,

FALSE);

}

// Subclass the parent

pImpl->_base_window_proc = (WNDPROC)GetWindowLongPtr(hParentWnd, GWLP_WNDPROC);

SetWindowLongPtr(hParentWnd, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(file_dialog_subclass_proc));

if ( pImpl->dialogType != EXE_TYPES) {

// Add a button to the toolbar

pImpl->_toolbar_wnd = FindWindowEx(hParentWnd, NULL, "ToolbarWindow32", NULL);

pImpl->_show_preview_button_bitmap = LoadBitmap(

hInstance, MAKEINTRESOURCE(IDC_SHOW_PREVIEW));

TBADDBITMAP tbAddBitmap = {NULL, reinterpret_cast<UINT_PTR>(pImpl->_show_preview_button_bitmap)};

const int iBitmapIndex = SendMessage(pImpl->_toolbar_wnd,

TB_ADDBITMAP, 1, (LPARAM)&tbAddBitmap);

TBBUTTON tbButton;

memset(&tbButton, 0, sizeof(TBBUTTON));

tbButton.iBitmap = iBitmapIndex;

tbButton.idCommand = IDC_SHOW_PREVIEW;

tbButton.fsState = (pImpl->_show_preview ? TBSTATE_CHECKED : 0)

| TBSTATE_ENABLED;

tbButton.fsStyle = TBSTYLE_CHECK;

tbButton.iString = (INT_PTR)_("Show Preview");

SendMessage(pImpl->_toolbar_wnd, TB_ADDBUTTONS, 1, (LPARAM)&tbButton);

// Create preview pane

register_preview_wnd_class();

}

pImpl->_mutex->lock();

pImpl->_file_dialog_wnd = hParentWnd;

if ( pImpl->dialogType != EXE_TYPES) {

pImpl->_preview_wnd =

CreateWindowA(PreviewWindowClassName, "",

WS_CHILD | WS_VISIBLE,

0, 0, 100, 100, hParentWnd, NULL, hInstance, NULL);

SetWindowLongPtr(pImpl->_preview_wnd, GWLP_USERDATA, ofn->lCustData);

}

pImpl->_mutex->unlock();

pImpl->layout_dialog();

}

break;

case WM_NOTIFY:

{

OFNOTIFY *pOFNotify = reinterpret_cast<OFNOTIFY*>(lParam);

switch(pOFNotify->hdr.code)

{

case CDN_SELCHANGE:

{

if(pImpl != NULL)

{

// Get the file name

pImpl->_mutex->lock();

SendMessage(pOFNotify->hdr.hwndFrom, CDM_GETFILEPATH,

sizeof(pImpl->_path_string) / sizeof(wchar_t),

(LPARAM)pImpl->_path_string);

pImpl->_file_selected = true;

pImpl->_mutex->unlock();

}

}

break;

}

}

break;

case WM_CLOSE:

pImpl->_mutex->lock();

pImpl->_preview_file_size = 0;

pImpl->_file_dialog_wnd = NULL;

DestroyWindow(pImpl->_preview_wnd);

pImpl->_preview_wnd = NULL;

DeleteObject(pImpl->_show_preview_button_bitmap);

pImpl->_show_preview_button_bitmap = NULL;

pImpl->_mutex->unlock();

break;

}

// Use default dialog behaviour

return 0;

}

LRESULT CALLBACK FileOpenDialogImplWin32::file_dialog_subclass_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)

{

FileOpenDialogImplWin32 *pImpl = (FileOpenDialogImplWin32*)

GetWindowLongPtr(hwnd, GWLP_USERDATA);

LRESULT lResult = CallWindowProc(pImpl->_base_window_proc, hwnd, uMsg, wParam, lParam);

switch(uMsg)

{

case WM_SHOWWINDOW:

if(wParam != 0)

pImpl->layout_dialog();

break;

case WM_SIZE:

pImpl->layout_dialog();

break;

case WM_COMMAND:

if(wParam == IDC_SHOW_PREVIEW)

{

const bool enable = SendMessage(pImpl->_toolbar_wnd,

TB_ISBUTTONCHECKED, IDC_SHOW_PREVIEW, 0) != 0;

pImpl->enable_preview(enable);

}

break;

}

return lResult;

}

LRESULT CALLBACK FileOpenDialogImplWin32::preview_wnd_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)

{

const int CaptionPadding = 4;

const int IconSize = 32;

FileOpenDialogImplWin32 *pImpl = (FileOpenDialogImplWin32*)

GetWindowLongPtr(hwnd, GWLP_USERDATA);

LRESULT lResult = 0;

switch(uMsg)

{

case WM_ERASEBKGND:

// Do nothing to erase the background

// - otherwise there'll be flicker

lResult = 1;

break;

case WM_PAINT:

{

// Get the client rect

RECT rcClient;

GetClientRect(hwnd, &rcClient);

// Prepare to paint

PAINTSTRUCT paint_struct;

HDC dc = BeginPaint(hwnd, &paint_struct);

HFONT hCaptionFont = (HFONT)SendMessage(GetParent(hwnd),

WM_GETFONT, 0, 0);

HFONT hOldFont = (HFONT)SelectObject(dc, hCaptionFont);

SetBkMode(dc, TRANSPARENT);

pImpl->_mutex->lock();

if(pImpl->_path_string[0] == 0)

{

WCHAR* noFileText=(WCHAR*)g_utf8_to_utf16(_("No file selected"),

-1, NULL, NULL, NULL);

FillRect(dc, &rcClient, (HBRUSH)(COLOR_3DFACE + 1));

DrawTextW(dc, noFileText, -1, &rcClient,

DT_CENTER | DT_VCENTER | DT_NOPREFIX);

g_free(noFileText);

}

else if(pImpl->_preview_bitmap != NULL)

{

BITMAP bitmap;

GetObject(pImpl->_preview_bitmap, sizeof(bitmap), &bitmap);

const int destX = (rcClient.right - bitmap.bmWidth) / 2;

// Render the image

HDC hSrcDC = CreateCompatibleDC(dc);

HBITMAP hOldBitmap = (HBITMAP)SelectObject(hSrcDC, pImpl->_preview_bitmap);

BitBlt(dc, destX, 0, bitmap.bmWidth, bitmap.bmHeight,

hSrcDC, 0, 0, SRCCOPY);

SelectObject(hSrcDC, hOldBitmap);

DeleteDC(hSrcDC);

// Fill in the background area

HRGN hEraseRgn = CreateRectRgn(rcClient.left, rcClient.top,

rcClient.right, rcClient.bottom);

HRGN hImageRgn = CreateRectRgn(destX, 0,

destX + bitmap.bmWidth, bitmap.bmHeight);

CombineRgn(hEraseRgn, hEraseRgn, hImageRgn, RGN_DIFF);

FillRgn(dc, hEraseRgn, GetSysColorBrush(COLOR_3DFACE));

DeleteObject(hImageRgn);

DeleteObject(hEraseRgn);

// Draw the caption on

RECT rcCaptionRect = {rcClient.left,

rcClient.top + bitmap.bmHeight + CaptionPadding,

rcClient.right, rcClient.bottom};

WCHAR szCaption[_MAX_FNAME + 32];

const int iLength = pImpl->format_caption(

szCaption, sizeof(szCaption) / sizeof(WCHAR));

DrawTextW(dc, szCaption, iLength, &rcCaptionRect,

DT_CENTER | DT_TOP | DT_NOPREFIX | DT_PATH_ELLIPSIS);

}

else if(pImpl->_preview_file_icon != NULL)

{

FillRect(dc, &rcClient, (HBRUSH)(COLOR_3DFACE + 1));

// Draw the files icon

const int destX = (rcClient.right - IconSize) / 2;

DrawIconEx(dc, destX, 0, pImpl->_preview_file_icon,

IconSize, IconSize, 0, NULL,

DI_NORMAL | DI_COMPAT);

// Draw the caption on

RECT rcCaptionRect = {rcClient.left,

rcClient.top + IconSize + CaptionPadding,

rcClient.right, rcClient.bottom};

WCHAR szFileName[_MAX_FNAME], szCaption[_MAX_FNAME + 32];

_wsplitpath(pImpl->_path_string, NULL, NULL, szFileName, NULL);

const int iLength = snwprintf(szCaption,

sizeof(szCaption), L"%s\n%d kB",

szFileName, pImpl->_preview_file_size);

DrawTextW(dc, szCaption, iLength, &rcCaptionRect,

DT_CENTER | DT_TOP | DT_NOPREFIX | DT_PATH_ELLIPSIS);

}

else

{

// Can't show anything!

FillRect(dc, &rcClient, (HBRUSH)(COLOR_3DFACE + 1));

}

pImpl->_mutex->unlock();

// Finish painting

SelectObject(dc, hOldFont);

EndPaint(hwnd, &paint_struct);

}

break;

case WM_DESTROY:

pImpl->free_preview();

break;

default:

lResult = DefWindowProc(hwnd, uMsg, wParam, lParam);

break;

}

return lResult;

}

void FileOpenDialogImplWin32::enable_preview(bool enable)

{

_show_preview = enable;

// Relayout the dialog

ShowWindow(_preview_wnd, enable ? SW_SHOW : SW_HIDE);

layout_dialog();

// Load or unload the preview

if(enable)

{

_mutex->lock();

_file_selected = true;

_mutex->unlock();

}

else free_preview();

}

void FileOpenDialogImplWin32::layout_dialog()

{

union RECTPOINTS

{

RECT r;

POINT p[2];

};

const float MaxExtentScale = 2.0f / 3.0f;

RECT rcClient;

GetClientRect(_file_dialog_wnd, &rcClient);

// Re-layout the dialog

HWND hFileListWnd = GetDlgItem(_file_dialog_wnd, lst2);

HWND hFolderComboWnd = GetDlgItem(_file_dialog_wnd, cmb2);

RECT rcFolderComboRect;

RECTPOINTS rcFileList;

GetWindowRect(hFileListWnd, &rcFileList.r);

GetWindowRect(hFolderComboWnd, &rcFolderComboRect);

const int iPadding = rcFileList.r.top - rcFolderComboRect.bottom;

MapWindowPoints(NULL, _file_dialog_wnd, rcFileList.p, 2);

RECT rcPreview;

RECT rcBody = {rcFileList.r.left, rcFileList.r.top,

rcClient.right - iPadding, rcFileList.r.bottom};

rcFileList.r.right = rcBody.right;

if(_show_preview && dialogType != EXE_TYPES)

{

rcPreview.top = rcBody.top;

rcPreview.left = rcClient.right - (rcBody.bottom - rcBody.top);

const int iMaxExtent = (int)(MaxExtentScale * (float)(rcBody.left + rcBody.right)) + iPadding / 2;

if(rcPreview.left < iMaxExtent) rcPreview.left = iMaxExtent;

rcPreview.bottom = rcBody.bottom;

rcPreview.right = rcBody.right;

// Re-layout the preview box

_mutex->lock();

_preview_width = rcPreview.right - rcPreview.left;

_preview_height = rcPreview.bottom - rcPreview.top;

_mutex->unlock();

render_preview();

MoveWindow(_preview_wnd, rcPreview.left, rcPreview.top,

_preview_width, _preview_height, TRUE);

rcFileList.r.right = rcPreview.left - iPadding;

}

// Re-layout the file list box

MoveWindow(hFileListWnd, rcFileList.r.left, rcFileList.r.top,

rcFileList.r.right - rcFileList.r.left,

rcFileList.r.bottom - rcFileList.r.top, TRUE);

// Re-layout the toolbar

RECTPOINTS rcToolBar;

GetWindowRect(_toolbar_wnd, &rcToolBar.r);

MapWindowPoints(NULL, _file_dialog_wnd, rcToolBar.p, 2);

MoveWindow(_toolbar_wnd, rcToolBar.r.left, rcToolBar.r.top,

rcToolBar.r.right - rcToolBar.r.left, rcToolBar.r.bottom - rcToolBar.r.top, TRUE);

}

void FileOpenDialogImplWin32::file_selected()

{

// Destroy any previous previews

free_preview();

// Determine if the file exists

DWORD attributes = GetFileAttributesW(_path_string);

if(attributes == 0xFFFFFFFF ||

attributes == FILE_ATTRIBUTE_DIRECTORY)

{

InvalidateRect(_preview_wnd, NULL, FALSE);

return;

}

// Check the file exists and get the file size

HANDLE file_handle = CreateFileW(_path_string, GENERIC_READ,

FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);

if(file_handle == INVALID_HANDLE_VALUE) return;

const DWORD file_size = GetFileSize(file_handle, NULL);

if (file_size == INVALID_FILE_SIZE) return;

_preview_file_size = file_size / 1024;

CloseHandle(file_handle);

if(_show_preview) load_preview();

}

void FileOpenDialogImplWin32::load_preview()

{

// Destroy any previous previews

free_preview();

// Try to get the file icon

SHFILEINFOW fileInfo;

if(SUCCEEDED(SHGetFileInfoW(_path_string, 0, &fileInfo,

sizeof(fileInfo), SHGFI_ICON | SHGFI_LARGEICON)))

_preview_file_icon = fileInfo.hIcon;

// Will this file be too big?

if(_preview_file_size > MaxPreviewFileSize)

{

InvalidateRect(_preview_wnd, NULL, FALSE);

return;

}

// Prepare to render a preview

const Glib::ustring svg = ".svg";

const Glib::ustring svgz = ".svgz";

const Glib::ustring emf = ".emf";

const Glib::ustring wmf = ".wmf";

const Glib::ustring path = utf16_to_ustring(_path_string);

bool success = false;

_preview_document_width = _preview_document_height = 0;

if ((dialogType == SVG_TYPES || dialogType == IMPORT_TYPES) &&

(hasSuffix(path, svg) || hasSuffix(path, svgz)))

success = set_svg_preview();

else if (hasSuffix(path, emf) || hasSuffix(path, wmf))

success = set_emf_preview();

else if (isValidImageFile(path))

success = set_image_preview();

else {

// Show no preview

}

if(success) render_preview();

InvalidateRect(_preview_wnd, NULL, FALSE);

}

void FileOpenDialogImplWin32::free_preview()

{

_mutex->lock();

if(_preview_bitmap != NULL)

DeleteObject(_preview_bitmap);

_preview_bitmap = NULL;

if(_preview_file_icon != NULL)

DestroyIcon(_preview_file_icon);

_preview_file_icon = NULL;

_preview_bitmap_image.clear();

_preview_emf_image = false;

_mutex->unlock();

}

bool FileOpenDialogImplWin32::set_svg_preview()

{

const int PreviewSize = 512;

gchar *utf8string = g_utf16_to_utf8((const gunichar2*)_path_string,

_MAX_PATH, NULL, NULL, NULL);

SPDocument *svgDoc = SPDocument::createNewDoc (utf8string, true);

g_free(utf8string);

// Check the document loaded properly

if (svgDoc == NULL) {

return false;

}

if (svgDoc->getRoot() == NULL)

{

svgDoc->doUnref();

return false;

}

// Get the size of the document

const double svgWidth = svgDoc->getWidth();

const double svgHeight = svgDoc->getHeight();

// Find the minimum scale to fit the image inside the preview area

const double scaleFactorX = PreviewSize / svgWidth;

const double scaleFactorY = PreviewSize / svgHeight;

const double scaleFactor = (scaleFactorX > scaleFactorY) ? scaleFactorY : scaleFactorX;

// Now get the resized values

const double scaledSvgWidth = scaleFactor * svgWidth;

const double scaledSvgHeight = scaleFactor * svgHeight;

Geom::Rect area(Geom::Point(0, 0), Geom::Point(scaledSvgWidth, scaledSvgHeight));

NRRectL areaL = {0, 0, scaledSvgWidth, scaledSvgHeight};

NRRectL bbox = {0, 0, scaledSvgWidth, scaledSvgHeight};

// write object bbox to area

Geom::OptRect maybeArea(area);

svgDoc->ensureUpToDate();

svgDoc->getRoot()->invoke_bbox( maybeArea,

svgDoc->getRoot()->i2d_affine(), TRUE);

NRArena *const arena = NRArena::create();

unsigned const key = SPItem::display_key_new(1);

NRArenaItem *root = svgDoc->getRoot()->invoke_show(

arena, key, SP_ITEM_SHOW_DISPLAY);

NRGC gc(NULL);

gc.transform = Geom::Affine(Geom::Scale(scaleFactor, scaleFactor));

nr_arena_item_invoke_update (root, NULL, &gc,

NR_ARENA_ITEM_STATE_ALL, NR_ARENA_ITEM_STATE_NONE);

// Prepare a GDI compatible NRPixBlock

NRPixBlock pixBlock;

pixBlock.size = NR_PIXBLOCK_SIZE_BIG;

pixBlock.mode = NR_PIXBLOCK_MODE_R8G8B8;

pixBlock.empty = 1;

pixBlock.visible_area.x0 = pixBlock.area.x0 = 0;

pixBlock.visible_area.y0 = pixBlock.area.y0 = 0;

pixBlock.visible_area.x1 = pixBlock.area.x1 = scaledSvgWidth;

pixBlock.visible_area.y1 = pixBlock.area.y1 = scaledSvgHeight;

pixBlock.rs = 4 * ((3 * (int)scaledSvgWidth + 3) / 4);

pixBlock.data.px = g_try_new (unsigned char, pixBlock.rs * scaledSvgHeight);

// Fail if the pixblock failed to allocate

if(pixBlock.data.px == NULL)

{

svgDoc->doUnref();

return false;

}

memset(pixBlock.data.px, 0xFF, pixBlock.rs * scaledSvgHeight);

memcpy(&root->bbox, &areaL, sizeof(areaL));

// Render the image

nr_arena_item_invoke_render(NULL, root, &bbox, &pixBlock, /*0*/NR_ARENA_ITEM_RENDER_NO_CACHE);

// Tidy up

svgDoc->doUnref();

svgDoc->getRoot()->invoke_hide(key);

nr_object_unref((NRObject *) arena);

// Create the GDK pixbuf

_mutex->lock();

_preview_bitmap_image = Gdk::Pixbuf::create_from_data(

pixBlock.data.px, Gdk::COLORSPACE_RGB, false, 8,

(int)scaledSvgWidth, (int)scaledSvgHeight, pixBlock.rs,

sigc::ptr_fun(destroy_svg_rendering));

_preview_document_width = scaledSvgWidth;

_preview_document_height = scaledSvgHeight;

_preview_image_width = svgWidth;

_preview_image_height = svgHeight;

_mutex->unlock();

return true;

}

void FileOpenDialogImplWin32::destroy_svg_rendering(const guint8 *buffer)

{

g_assert(buffer != NULL);

g_free((void*)buffer);

}

bool FileOpenDialogImplWin32::set_image_preview()

{

const Glib::ustring path = utf16_to_ustring(_path_string, _MAX_PATH);

bool successful = false;

_mutex->lock();

try {

_preview_bitmap_image = Gdk::Pixbuf::create_from_file(path);

if (_preview_bitmap_image) {

_preview_image_width = _preview_bitmap_image->get_width();

_preview_document_width = _preview_image_width;

_preview_image_height = _preview_bitmap_image->get_height();

_preview_document_height = _preview_image_height;

successful = true;

}

}

catch (const Gdk::PixbufError&) {}

catch (const Glib::FileError&) {}

_mutex->unlock();

return successful;

}

#pragma pack( push )

#pragma pack( 2 )

typedef struct

{

DWORD dwKey;

WORD hmf;

SMALL_RECT bbox;

WORD wInch;

DWORD dwReserved;

WORD wCheckSum;

} APMHEADER, *PAPMHEADER;

#pragma pack( pop )

static HENHMETAFILE

MyGetEnhMetaFileW( const WCHAR *filename )

{

// Try open as Enhanced Metafile

HENHMETAFILE hemf = GetEnhMetaFileW(filename);

if (!hemf) {

// Try open as Windows Metafile

HMETAFILE hmf = GetMetaFileW(filename);

METAFILEPICT mp;

HDC hDC;

if (!hmf) {

WCHAR szTemp[MAX_PATH];

DWORD dw = GetShortPathNameW( filename, szTemp, MAX_PATH );

if (dw) {

hmf = GetMetaFileW( szTemp );

}

}

if (hmf) {

// Convert Windows Metafile to Enhanced Metafile

DWORD nSize = GetMetaFileBitsEx( hmf, 0, NULL );

if (nSize) {

BYTE *lpvData = new BYTE[nSize];

if (lpvData) {

DWORD dw = GetMetaFileBitsEx( hmf, nSize, lpvData );

if (dw) {

// Fill out a METAFILEPICT structure

mp.mm = MM_ANISOTROPIC;

mp.xExt = 1000;

mp.yExt = 1000;

mp.hMF = NULL;

// Get a reference DC

hDC = GetDC( NULL );

// Make an enhanced metafile from the windows metafile

hemf = SetWinMetaFileBits( nSize, lpvData, hDC, &mp );

// Clean up

ReleaseDC( NULL, hDC );

DeleteMetaFile( hmf );

}

delete[] lpvData;

}

else {

DeleteMetaFile( hmf );

}

}

else {

DeleteMetaFile( hmf );

}

}

else {

// Try open as Aldus Placeable Metafile

HANDLE hFile;

hFile = CreateFileW( filename, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );

if (hFile != INVALID_HANDLE_VALUE) {

DWORD nSize = GetFileSize( hFile, NULL );

if (nSize) {

BYTE *lpvData = new BYTE[nSize];

if (lpvData) {

DWORD dw = ReadFile( hFile, lpvData, nSize, &nSize, NULL );

if (dw) {

if ( ((PAPMHEADER)lpvData)->dwKey == 0x9ac6cdd7l ) {

// Fill out a METAFILEPICT structure

mp.mm = MM_ANISOTROPIC;

mp.xExt = ((PAPMHEADER)lpvData)->bbox.Right - ((PAPMHEADER)lpvData)->bbox.Left;

mp.xExt = ( mp.xExt * 2540l ) / (DWORD)(((PAPMHEADER)lpvData)->wInch);

mp.yExt = ((PAPMHEADER)lpvData)->bbox.Bottom - ((PAPMHEADER)lpvData)->bbox.Top;

mp.yExt = ( mp.yExt * 2540l ) / (DWORD)(((PAPMHEADER)lpvData)->wInch);

mp.hMF = NULL;

// Get a reference DC

hDC = GetDC( NULL );

// Create an enhanced metafile from the bits

hemf = SetWinMetaFileBits( nSize, lpvData+sizeof(APMHEADER), hDC, &mp );

// Clean up

ReleaseDC( NULL, hDC );

}

}

delete[] lpvData;

}

}

CloseHandle( hFile );

}

}

}

return hemf;

}

bool FileOpenDialogImplWin32::set_emf_preview()

{

_mutex->lock();

BOOL ok = FALSE;

DWORD w = 0;

DWORD h = 0;

HENHMETAFILE hemf = MyGetEnhMetaFileW( _path_string );

if (hemf)

{

ENHMETAHEADER emh;

ZeroMemory(&emh, sizeof(emh));

ok = GetEnhMetaFileHeader(hemf, sizeof(emh), &emh) != 0;

w = (emh.rclFrame.right - emh.rclFrame.left);

h = (emh.rclFrame.bottom - emh.rclFrame.top);

DeleteEnhMetaFile(hemf);

}

if (ok)

{

const int PreviewSize = 512;

// Get the size of the document

const double emfWidth = w;

const double emfHeight = h;

// Find the minimum scale to fit the image inside the preview area

const double scaleFactorX = PreviewSize / emfWidth;

const double scaleFactorY = PreviewSize / emfHeight;

const double scaleFactor = (scaleFactorX > scaleFactorY) ? scaleFactorY : scaleFactorX;

// Now get the resized values

const double scaledEmfWidth = scaleFactor * emfWidth;

const double scaledEmfHeight = scaleFactor * emfHeight;

_preview_document_width = scaledEmfWidth;

_preview_document_height = scaledEmfHeight;

_preview_image_width = emfWidth;

_preview_image_height = emfHeight;

_preview_emf_image = true;

}

_mutex->unlock();

return ok;

}

void FileOpenDialogImplWin32::render_preview()

{

double x, y;

const double blurRadius = 8;

const double halfBlurRadius = blurRadius / 2;

const int shaddowOffsetX = 0;

const int shaddowOffsetY = 2;

const int pagePadding = 5;

const double shaddowAlpha = 0.75;

// Is the preview showing?

if(!_show_preview)

return;

// Do we have anything to render?

_mutex->lock();

if(!_preview_bitmap_image && !_preview_emf_image)

{

_mutex->unlock();

return;

}

// Tidy up any previous bitmap renderings

if(_preview_bitmap != NULL)

DeleteObject(_preview_bitmap);

_preview_bitmap = NULL;

// Calculate the size of the caption

int captionHeight = 0;

if(_preview_wnd != NULL)

{

RECT rcCaptionRect;

WCHAR szCaption[_MAX_FNAME + 32];

const int iLength = format_caption(szCaption,

sizeof(szCaption) / sizeof(WCHAR));

HDC dc = GetDC(_preview_wnd);

DrawTextW(dc, szCaption, iLength, &rcCaptionRect,

DT_CENTER | DT_TOP | DT_NOPREFIX | DT_PATH_ELLIPSIS | DT_CALCRECT);

ReleaseDC(_preview_wnd, dc);

captionHeight = rcCaptionRect.bottom - rcCaptionRect.top;

}

// Find the minimum scale to fit the image inside the preview area

const double scaleFactorX =

((double)_preview_width - pagePadding * 2 - blurRadius) / _preview_document_width;

const double scaleFactorY =

((double)_preview_height - pagePadding * 2

- shaddowOffsetY - halfBlurRadius - captionHeight) / _preview_document_height;

double scaleFactor = (scaleFactorX > scaleFactorY) ? scaleFactorY : scaleFactorX;

scaleFactor = (scaleFactor > 1.0) ? 1.0 : scaleFactor;

// Now get the resized values

const double scaledSvgWidth = scaleFactor * _preview_document_width;

const double scaledSvgHeight = scaleFactor * _preview_document_height;

const int svgX = pagePadding + halfBlurRadius;

const int svgY = pagePadding;

const int frameX = svgX - pagePadding;

const int frameY = svgY - pagePadding;

const int frameWidth = scaledSvgWidth + pagePadding * 2;

const int frameHeight = scaledSvgHeight + pagePadding * 2;

const int totalWidth = (int)ceil(frameWidth + blurRadius);

const int totalHeight = (int)ceil(frameHeight + blurRadius);

// Prepare the drawing surface

HDC hDC = GetDC(_preview_wnd);

HDC hMemDC = CreateCompatibleDC(hDC);

_preview_bitmap = CreateCompatibleBitmap(hDC, totalWidth, totalHeight);

HBITMAP hOldBitmap = (HBITMAP)SelectObject(hMemDC, _preview_bitmap);

Cairo::RefPtr<Win32Surface> surface = Win32Surface::create(hMemDC);

Cairo::RefPtr<Context> context = Context::create(surface);

// Paint the background to match the dialog colour

const COLORREF background = GetSysColor(COLOR_3DFACE);

context->set_source_rgb(

GetRValue(background) / 255.0,

GetGValue(background) / 255.0,

GetBValue(background) / 255.0);

context->paint();

//----- Draw the drop shaddow -----//

// Left Edge

x = frameX + shaddowOffsetX - halfBlurRadius;

Cairo::RefPtr<LinearGradient> leftEdgeFade = LinearGradient::create(

x, 0.0, x + blurRadius, 0.0);

leftEdgeFade->add_color_stop_rgba (0, 0, 0, 0, 0);

leftEdgeFade->add_color_stop_rgba (1, 0, 0, 0, shaddowAlpha);

context->set_source(leftEdgeFade);

context->rectangle (x, frameY + shaddowOffsetY + halfBlurRadius,

blurRadius, frameHeight - blurRadius);

context->fill();

// Right Edge

x = frameX + frameWidth + shaddowOffsetX - halfBlurRadius;

Cairo::RefPtr<LinearGradient> rightEdgeFade = LinearGradient::create(

x, 0.0, x + blurRadius, 0.0);

rightEdgeFade->add_color_stop_rgba (0, 0, 0, 0, shaddowAlpha);

rightEdgeFade->add_color_stop_rgba (1, 0, 0, 0, 0);

context->set_source(rightEdgeFade);

context->rectangle (frameX + frameWidth + shaddowOffsetX - halfBlurRadius,

frameY + shaddowOffsetY + halfBlurRadius,

blurRadius, frameHeight - blurRadius);

context->fill();

// Top Edge

y = frameY + shaddowOffsetY - halfBlurRadius;

Cairo::RefPtr<LinearGradient> topEdgeFade = LinearGradient::create(

0.0, y, 0.0, y + blurRadius);

topEdgeFade->add_color_stop_rgba (0, 0, 0, 0, 0);

topEdgeFade->add_color_stop_rgba (1, 0, 0, 0, shaddowAlpha);

context->set_source(topEdgeFade);

context->rectangle (frameX + shaddowOffsetX + halfBlurRadius, y,

frameWidth - blurRadius, blurRadius);

context->fill();

// Bottom Edge

y = frameY + frameHeight + shaddowOffsetY - halfBlurRadius;

Cairo::RefPtr<LinearGradient> bottomEdgeFade = LinearGradient::create(

0.0, y, 0.0, y + blurRadius);

bottomEdgeFade->add_color_stop_rgba (0, 0, 0, 0, shaddowAlpha);

bottomEdgeFade->add_color_stop_rgba (1, 0, 0, 0, 0);

context->set_source(bottomEdgeFade);

context->rectangle (frameX + shaddowOffsetX + halfBlurRadius, y,

frameWidth - blurRadius, blurRadius);

context->fill();

// Top Left Corner

x = frameX + shaddowOffsetX - halfBlurRadius;

y = frameY + shaddowOffsetY - halfBlurRadius;

Cairo::RefPtr<RadialGradient> topLeftCornerFade = RadialGradient::create(

x + blurRadius, y + blurRadius, 0, x + blurRadius, y + blurRadius, blurRadius);

topLeftCornerFade->add_color_stop_rgba (0, 0, 0, 0, shaddowAlpha);

topLeftCornerFade->add_color_stop_rgba (1, 0, 0, 0, 0);

context->set_source(topLeftCornerFade);

context->rectangle (x, y, blurRadius, blurRadius);

context->fill();

// Top Right Corner

x = frameX + frameWidth + shaddowOffsetX - halfBlurRadius;

y = frameY + shaddowOffsetY - halfBlurRadius;

Cairo::RefPtr<RadialGradient> topRightCornerFade = RadialGradient::create(

x, y + blurRadius, 0, x, y + blurRadius, blurRadius);

topRightCornerFade->add_color_stop_rgba (0, 0, 0, 0, shaddowAlpha);

topRightCornerFade->add_color_stop_rgba (1, 0, 0, 0, 0);

context->set_source(topRightCornerFade);

context->rectangle (x, y, blurRadius, blurRadius);

context->fill();

// Bottom Left Corner

x = frameX + shaddowOffsetX - halfBlurRadius;

y = frameY + frameHeight + shaddowOffsetY - halfBlurRadius;

Cairo::RefPtr<RadialGradient> bottomLeftCornerFade = RadialGradient::create(

x + blurRadius, y, 0, x + blurRadius, y, blurRadius);

bottomLeftCornerFade->add_color_stop_rgba (0, 0, 0, 0, shaddowAlpha);

bottomLeftCornerFade->add_color_stop_rgba (1, 0, 0, 0, 0);

context->set_source(bottomLeftCornerFade);

context->rectangle (x, y, blurRadius, blurRadius);

context->fill();

// Bottom Right Corner

x = frameX + frameWidth + shaddowOffsetX - halfBlurRadius;

y = frameY + frameHeight + shaddowOffsetY - halfBlurRadius;

Cairo::RefPtr<RadialGradient> bottomRightCornerFade = RadialGradient::create(

x, y, 0, x, y, blurRadius);

bottomRightCornerFade->add_color_stop_rgba (0, 0, 0, 0, shaddowAlpha);

bottomRightCornerFade->add_color_stop_rgba (1, 0, 0, 0, 0);

context->set_source(bottomRightCornerFade);

context->rectangle (frameX + frameWidth + shaddowOffsetX - halfBlurRadius,

frameY + frameHeight + shaddowOffsetY - halfBlurRadius,

blurRadius, blurRadius);

context->fill();

// Draw the frame

context->set_line_width(1);

context->rectangle (frameX, frameY, frameWidth, frameHeight);

context->set_source_rgb(1.0, 1.0, 1.0);

context->fill_preserve();

context->set_source_rgb(0.25, 0.25, 0.25);

context->stroke_preserve();

// Draw the image

if(_preview_bitmap_image) // Is the image a pixbuf?

{

// Set the transformation

const Cairo::Matrix matrix(

scaleFactor, 0,

0, scaleFactor,

svgX, svgY);

context->set_matrix (matrix);

// Render the image

set_source_pixbuf (context, _preview_bitmap_image, 0, 0);

context->paint();

// Reset the transformation

context->set_identity_matrix();

}

// Draw the inner frame

context->set_source_rgb(0.75, 0.75, 0.75);

context->rectangle (svgX, svgY, scaledSvgWidth, scaledSvgHeight);

context->stroke();

_mutex->unlock();

// Finish drawing

surface->finish();

if (_preview_emf_image) {

HENHMETAFILE hemf = MyGetEnhMetaFileW(_path_string);

if (hemf) {

RECT rc;

rc.top = svgY+2;

rc.left = svgX+2;

rc.bottom = scaledSvgHeight-2;

rc.right = scaledSvgWidth-2;

PlayEnhMetaFile(hMemDC, hemf, &rc);

DeleteEnhMetaFile(hemf);

}

}

SelectObject(hMemDC, hOldBitmap) ;

DeleteDC(hMemDC);

// Refresh the preview pane

InvalidateRect(_preview_wnd, NULL, FALSE);

}

int FileOpenDialogImplWin32::format_caption(wchar_t *caption, int caption_size)

{

wchar_t szFileName[_MAX_FNAME];

_wsplitpath(_path_string, NULL, NULL, szFileName, NULL);

return snwprintf(caption, caption_size,

L"%s\n%d kB\n%d \xD7 %d", szFileName, _preview_file_size,

(int)_preview_document_width, (int)_preview_document_height);

}

FileOpenDialogImplWin32::show()

{

// We can only run one worker thread at a time

if(_mutex != NULL) return false;

if(!Glib::thread_supported())

Glib::thread_init();

_result = false;

_finished = false;

_file_selected = false;

_mutex = new Glib::Mutex();

_main_loop = g_main_loop_new(g_main_context_default(), FALSE);

if(Glib::Thread::create(sigc::mem_fun(*this, &FileOpenDialogImplWin32::GetOpenFileName_thread), true))

{

while(1)

{

g_main_context_iteration(g_main_context_default(), FALSE);

if(_mutex->trylock())

{

// Read mutexed data

const bool finished = _finished;

const bool is_file_selected = _file_selected;

_file_selected = false;

_mutex->unlock();

if(finished) break;

if(is_file_selected) file_selected();

}

Sleep(10);

}

}

// Tidy up

delete _mutex;

_mutex = NULL;

return _result;

}

std::vector<Glib::ustring>FileOpenDialogImplWin32::getFilenames()

{

std::vector<Glib::ustring> result;

result.push_back(getFilename());

return result;

}

FileSaveDialogImplWin32::FileSaveDialogImplWin32(Gtk::Window &parent,

const Glib::ustring &dir,

FileDialogType fileTypes,

const char *title,

const Glib::ustring &/*default_key*/,

const char *docTitle,

const Inkscape::Extension::FileSaveMethod save_method) :

FileDialogBaseWin32(parent, dir, title, fileTypes,

(save_method == Inkscape::Extension::FILE_SAVE_METHOD_SAVE_COPY) ? "dialogs.save_copy" : "dialogs.save_as"),

_title_label(NULL),

_title_edit(NULL)

{

FileSaveDialog::myDocTitle = docTitle;

createFilterMenu();

/* The code below sets the default file name */

myFilename = "";

if (dir.size() > 0) {

Glib::ustring udir(dir);

Glib::ustring::size_type len = udir.length();

// leaving a trailing backslash on the directory name leads to the infamous

// double-directory bug on win32

if (len != 0 && udir[len - 1] == '\\') udir.erase(len - 1);

myFilename = udir.substr(0, udir.find_last_of( '.' ) ); // this removes the extension, or actually, removes everything past the last dot (hopefully this is what most people want)

}

}

FileSaveDialogImplWin32::~FileSaveDialogImplWin32()

{

}

void FileSaveDialogImplWin32::createFilterMenu()

{

list<Filter> filter_list;

knownExtensions.clear();

// Compose the filter string

Glib::ustring all_inkscape_files_filter, all_image_files_filter;

Inkscape::Extension::DB::OutputList extension_list;

Inkscape::Extension::db.get_output_list(extension_list);

int filter_count = 0;

int filter_length = 1;

for (Inkscape::Extension::DB::OutputList::iterator current_item = extension_list.begin();

current_item != extension_list.end(); current_item++)

{

Inkscape::Extension::Output *omod = *current_item;

if (omod->deactivated()) continue;

filter_count++;

Filter filter;

// Extension

const gchar *filter_extension = omod->get_extension();

filter.filter = g_utf8_to_utf16(

filter_extension, -1, NULL, &filter.filter_length, NULL);

knownExtensions.insert( Glib::ustring(filter_extension).casefold() );

// Type

filter.name = g_utf8_to_utf16(

_(omod->get_filetypename()), -1, NULL, &filter.name_length, NULL);

filter.mod = omod;

filter_length += filter.name_length +

filter.filter_length + 3; // Add 3 for two \0s and a *

filter_list.push_back(filter);

}

int extension_index = 0;

_extension_map = new Inkscape::Extension::Extension*[filter_count];

_filter = new wchar_t[filter_length];

wchar_t *filterptr = _filter;

for(list<Filter>::iterator filter_iterator = filter_list.begin();

filter_iterator != filter_list.end(); filter_iterator++)

{

const Filter &filter = *filter_iterator;

wcsncpy(filterptr, (wchar_t*)filter.name, filter.name_length);

filterptr += filter.name_length;

g_free(filter.name);

*(filterptr++) = L'\0';

*(filterptr++) = L'*';

wcsncpy(filterptr, (wchar_t*)filter.filter, filter.filter_length);

filterptr += filter.filter_length;

g_free(filter.filter);

*(filterptr++) = L'\0';

// Associate this input extension with the file type name

_extension_map[extension_index++] = filter.mod;

}

*(filterptr++) = 0;

_filter_count = extension_index;

_filter_index = 1; // A value of 1 selects the 1st filter - NOT the 2nd

}

void FileSaveDialogImplWin32::GetSaveFileName_thread()

{

OPENFILENAMEEXW ofn;

g_assert(this != NULL);

g_assert(_main_loop != NULL);

WCHAR* current_directory_string = (WCHAR*)g_utf8_to_utf16(

_current_directory.data(), _current_directory.length(),

NULL, NULL, NULL);

// Copy the selected file name, converting from UTF-8 to UTF-16

memset(_path_string, 0, sizeof(_path_string));

gunichar2* utf16_path_string = g_utf8_to_utf16(

myFilename.data(), -1, NULL, NULL, NULL);

wcsncpy(_path_string, (wchar_t*)utf16_path_string, _MAX_PATH);

g_free(utf16_path_string);

ZeroMemory(&ofn, sizeof(ofn));

ofn.lStructSize = sizeof(ofn);

ofn.hwndOwner = _ownerHwnd;

ofn.lpstrFile = _path_string;

ofn.nMaxFile = _MAX_PATH;

ofn.nFilterIndex = _filter_index;

ofn.lpstrFileTitle = NULL;

ofn.nMaxFileTitle = 0;

ofn.lpstrInitialDir = current_directory_string;

ofn.lpstrTitle = _title;

ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST | OFN_EXPLORER | OFN_ENABLEHOOK;

ofn.lpstrFilter = _filter;

ofn.nFilterIndex = _filter_index;

ofn.lpfnHook = GetSaveFileName_hookproc;

ofn.lCustData = (LPARAM)this;

_result = GetSaveFileNameW(&ofn) != 0;

g_assert(ofn.nFilterIndex >= 1 && ofn.nFilterIndex <= _filter_count);

_filter_index = ofn.nFilterIndex;

_extension = _extension_map[ofn.nFilterIndex - 1];

// Copy the selected file name, converting from UTF-16 to UTF-8

myFilename = utf16_to_ustring(_path_string, _MAX_PATH);

// Tidy up

g_free(current_directory_string);

g_main_loop_quit(_main_loop);

}

FileSaveDialogImplWin32::show()

{

if(!Glib::thread_supported())

Glib::thread_init();

_result = false;

_main_loop = g_main_loop_new(g_main_context_default(), FALSE);

if(_main_loop != NULL)

{

if(Glib::Thread::create(sigc::mem_fun(*this, &FileSaveDialogImplWin32::GetSaveFileName_thread), true))

g_main_loop_run(_main_loop);

if(_result)

appendExtension(myFilename, (Inkscape::Extension::Output*)_extension);

}

return _result;

}

void FileSaveDialogImplWin32::setSelectionType( Inkscape::Extension::Extension * /*key*/ )

{

// If no pointer to extension is passed in, look up based on filename extension.

}

UINT_PTR CALLBACK FileSaveDialogImplWin32::GetSaveFileName_hookproc(

HWND hdlg, UINT uiMsg, WPARAM, LPARAM lParam)

{

FileSaveDialogImplWin32 *pImpl = (FileSaveDialogImplWin32*)

GetWindowLongPtr(hdlg, GWLP_USERDATA);

switch(uiMsg)

{

case WM_INITDIALOG:

{

HWND hParentWnd = GetParent(hdlg);

HINSTANCE hInstance = GetModuleHandle(NULL);

// get size/pos of typical combo box

RECT rEDT1, rCB1, rROOT, rST;

GetWindowRect(GetDlgItem(hParentWnd, cmb1), &rCB1);

GetWindowRect(GetDlgItem(hParentWnd, cmb13), &rEDT1);

GetWindowRect(GetDlgItem(hParentWnd, stc2), &rST);

GetWindowRect(hdlg, &rROOT);

int ydelta = rCB1.top - rEDT1.top;

if ( ydelta < 0 ) {

g_warning("Negative dialog ydelta");

ydelta = 0;

}

// Make the window a bit longer

// Note: we have a width delta of 1 because there is a suspicion that MoveWindow() to the same size causes zero-width results.

RECT rcRect;

GetWindowRect(hParentWnd, &rcRect);

MoveWindow(hParentWnd, rcRect.left, rcRect.top,

sanitizeWindowSizeParam( rcRect.right - rcRect.left, 1, WINDOW_WIDTH_MINIMUM, WINDOW_WIDTH_FALLBACK ),

sanitizeWindowSizeParam( rcRect.bottom - rcRect.top, ydelta, WINDOW_HEIGHT_MINIMUM, WINDOW_HEIGHT_FALLBACK ),

FALSE);

// It is not necessary to delete stock objects by calling DeleteObject

HGDIOBJ dlgFont = GetStockObject(DEFAULT_GUI_FONT);

// Set the pointer to the object

OPENFILENAMEW *ofn = (OPENFILENAMEW*)lParam;

SetWindowLongPtr(hdlg, GWLP_USERDATA, ofn->lCustData);

SetWindowLongPtr(hParentWnd, GWLP_USERDATA, ofn->lCustData);

pImpl = (FileSaveDialogImplWin32*)ofn->lCustData;

// Create the Title label and edit control

pImpl->_title_label = CreateWindowEx(NULL, "STATIC", "Title:",

WS_VISIBLE|WS_CHILD,

CW_USEDEFAULT, CW_USEDEFAULT, rCB1.left-rST.left, rST.bottom-rST.top,

hParentWnd, NULL, hInstance, NULL);

if(pImpl->_title_label) {

if(dlgFont) SendMessage(pImpl->_title_label, WM_SETFONT, (WPARAM)dlgFont, MAKELPARAM(FALSE, 0));

SetWindowPos(pImpl->_title_label, NULL, rST.left-rROOT.left, rST.top+ydelta-rROOT.top,

rCB1.left-rST.left, rST.bottom-rST.top, SWP_SHOWWINDOW|SWP_NOZORDER);

}

pImpl->_title_edit = CreateWindowEx(WS_EX_CLIENTEDGE, "EDIT", "",

WS_VISIBLE|WS_CHILD|WS_TABSTOP|ES_AUTOHSCROLL,

CW_USEDEFAULT, CW_USEDEFAULT, rCB1.right-rCB1.left, rCB1.bottom-rCB1.top,

hParentWnd, NULL, hInstance, NULL);

if(pImpl->_title_edit) {

if(dlgFont) SendMessage(pImpl->_title_edit, WM_SETFONT, (WPARAM)dlgFont, MAKELPARAM(FALSE, 0));

SetWindowPos(pImpl->_title_edit, NULL, rCB1.left-rROOT.left, rCB1.top+ydelta-rROOT.top,

rCB1.right-rCB1.left, rCB1.bottom-rCB1.top, SWP_SHOWWINDOW|SWP_NOZORDER);

// TODO: make sure this works for Unicode

SetWindowText(pImpl->_title_edit, pImpl->myDocTitle.c_str());

}

}

break;

case WM_DESTROY:

{

if(pImpl->_title_edit) {

int length = GetWindowTextLength(pImpl->_title_edit)+1;

char* temp_title = new char[length];

GetWindowText(pImpl->_title_edit, temp_title, length);

pImpl->myDocTitle = temp_title;

delete[] temp_title;

DestroyWindow(pImpl->_title_label);

pImpl->_title_label = NULL;

DestroyWindow(pImpl->_title_edit);

pImpl->_title_edit = NULL;

}

}

break;

}

// Use default dialog behaviour

return 0;

}

} } } // namespace Dialog, UI, Inkscape

#endif // ifdef WIN32