filedialogimpl-win32.cpp revision 24ee1bc69a276a182ab029488c9a7115b4cc569d
/**
* @file
* Implementation of native file dialogs for Win32.
*/
/* Authors:
* Joel Holdsworth
* The Inkscape Organization
* Abhishek Sharma
*
* Copyright (C) 2004-2008 The Inkscape Organization
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#ifdef WIN32
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "filedialogimpl-win32.h"
//General includes
#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 <glibmm/fileutils.h>
#include <gtkmm/window.h>
//Inkscape includes
#include "inkscape.h"
#include "dialogs/dialog-events.h"
#include "extension/input.h"
#include "extension/output.h"
#include "extension/db.h"
//#include "display/drawing-item.h"
//#include "display/drawing.h"
#include "sp-item.h"
#include "display/canvas-arena.h"
#include "filedialog.h"
#include "sp-root.h"
#include <zlib.h>
#include <cairomm/win32_surface.h>
#include <cairomm/context.h>
#include <gdkmm/general.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 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
/*#########################################################################
### F I L E D I A L O G B A S E C L A S S
#########################################################################*/
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);
#if WITH_GTKMM_3_0
_ownerHwnd = (HWND)gdk_win32_window_get_handle((GdkWindow*)parentWindow->gobj());
#else
_ownerHwnd = (HWND)gdk_win32_drawable_get_handle((GdkDrawable*)parentWindow->gobj());
#endif
}
FileDialogBaseWin32::~FileDialogBaseWin32()
{
g_free(_title);
}
Inkscape::Extension::Extension *FileDialogBaseWin32::getSelectionType()
{
return _extension;
}
Glib::ustring FileDialogBaseWin32::getCurrentDirectory()
{
return _current_directory;
}
/*#########################################################################
### F I L E O P E N
#########################################################################*/
bool FileOpenDialogImplWin32::_show_preview = true;
/**
* Constructor. Not called directly. Use the factory.
*/
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;
if (dialogType != CUSTOM_TYPE)
createFilterMenu();
}
/**
* Destructor
*/
FileOpenDialogImplWin32::~FileOpenDialogImplWin32()
{
if(_filter != NULL)
delete[] _filter;
if(_extension_map != NULL)
delete[] _extension_map;
}
void FileOpenDialogImplWin32::addFilterMenu(Glib::ustring name, Glib::ustring pattern)
{
list<Filter> filter_list;
int extension_index = 0;
int filter_length = 1;
ustring all_exe_files_filter = pattern;
Filter all_exe_files;
const gchar *all_exe_files_filter_name = name.data();
// Calculate the amount of memory required
int filter_count = 1;
_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 = 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 = 1; // Select the 1st filter in the list
}
void FileOpenDialogImplWin32::createFilterMenu()
{
list<Filter> filter_list;
int extension_index = 0;
int filter_length = 1;
if (dialogType == CUSTOM_TYPE) {
return;
}
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()
{
OPENFILENAMEW 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 = reinterpret_cast<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 = reinterpret_cast<OPENFILENAMEW*>(lParam);
SetWindowLongPtr(hdlg, GWLP_USERDATA, ofn->lCustData);
SetWindowLongPtr(hParentWnd, GWLP_USERDATA, ofn->lCustData);
pImpl = reinterpret_cast<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 = reinterpret_cast<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 = reinterpret_cast<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 = reinterpret_cast<HFONT>(SendMessage(GetParent(hwnd),
WM_GETFONT, 0, 0));
HFONT hOldFont = static_cast<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, reinterpret_cast<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, reinterpret_cast<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, reinterpret_cast<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.reset();
_preview_emf_image = false;
_mutex->unlock();
}
bool FileOpenDialogImplWin32::set_svg_preview()
{
return false;
// NOTE: it's not worth the effort to fix this to use Cairo.
// Native file dialogs are unmaintainable and should be removed anyway.
#if 0
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
svgDoc->ensureUpToDate();
Geom::OptRect maybeArea = area | svgDoc->getRoot()->desktopVisualBounds();
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;
#endif
}
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;
}
// Aldus Placeable Header ===================================================
// Since we are a 32bit app, we have to be sure this structure compiles to
// be identical to a 16 bit app's version. To do this, we use the #pragma
// to adjust packing, we use a WORD for the hmf handle, and a SMALL_RECT
// for the bbox rectangle.
#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);
}
/**
* Show this dialog modally. Return true if user hits [OK]
*/
bool
FileOpenDialogImplWin32::show()
{
// We can only run one worker thread at a time
if(_mutex != NULL) return false;
#if !GLIB_CHECK_VERSION(2,32,0)
if(!Glib::thread_supported())
Glib::thread_init();
#endif
_result = false;
_finished = false;
_file_selected = false;
_main_loop = g_main_loop_new(g_main_context_default(), FALSE);
#if GLIB_CHECK_VERSION(2,32,0)
_mutex = new Glib::Threads::Mutex();
if(Glib::Threads::Thread::create(sigc::mem_fun(*this, &FileOpenDialogImplWin32::GetOpenFileName_thread)))
#else
_mutex = new Glib::Mutex();
if(Glib::Thread::create(sigc::mem_fun(*this, &FileOpenDialogImplWin32::GetOpenFileName_thread), true))
#endif
{
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;
}
/**
* To Get Multiple filenames selected at-once.
*/
std::vector<Glib::ustring>FileOpenDialogImplWin32::getFilenames()
{
std::vector<Glib::ustring> result;
result.push_back(getFilename());
return result;
}
/*#########################################################################
### F I L E S A V E
#########################################################################*/
/**
* Constructor
*/
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);
// Remove the extension: remove everything past the last period found past the last slash
size_t last_slash_index = udir.find_last_of( '\\' );
size_t last_period_index = udir.find_last_of( '.' );
if (last_period_index > last_slash_index) {
myFilename = udir.substr(0, last_period_index );
}
// remove one slash if double
if (1 + myFilename.find("\\\\",2)) {
myFilename.replace(myFilename.find("\\\\",2), 1, "");
}
}
}
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::addFileType(Glib::ustring name, Glib::ustring pattern)
{
list<Filter> filter_list;
knownExtensions.clear();
int extension_index = 0;
int filter_length = 1;
ustring all_exe_files_filter = pattern;
Filter all_exe_files;
const gchar *all_exe_files_filter_name = name.data();
// Calculate the amount of memory required
int filter_count = 1;
// 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);
knownExtensions.insert( Glib::ustring(all_exe_files_filter).casefold() );
_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'*';
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 = 1; // Select the 1st filter in the list
}
void FileSaveDialogImplWin32::GetSaveFileName_thread()
{
OPENFILENAMEW 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_ENABLESIZING;
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);
}
/**
* Show this dialog modally. Return true if user hits [OK]
*/
bool
FileSaveDialogImplWin32::show()
{
#if !GLIB_CHECK_VERSION(2,32,0)
if(!Glib::thread_supported())
Glib::thread_init();
#endif
_result = false;
_main_loop = g_main_loop_new(g_main_context_default(), FALSE);
if(_main_loop != NULL)
{
#if GLIB_CHECK_VERSION(2,32,0)
if(Glib::Threads::Thread::create(sigc::mem_fun(*this, &FileSaveDialogImplWin32::GetSaveFileName_thread)))
#else
if(Glib::Thread::create(sigc::mem_fun(*this, &FileSaveDialogImplWin32::GetSaveFileName_thread), true))
#endif
g_main_loop_run(_main_loop);
if(_result && _extension)
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 = reinterpret_cast<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 = reinterpret_cast<OPENFILENAMEW*>(lParam);
SetWindowLongPtr(hdlg, GWLP_USERDATA, ofn->lCustData);
SetWindowLongPtr(hParentWnd, GWLP_USERDATA, ofn->lCustData);
pImpl = reinterpret_cast<FileSaveDialogImplWin32*>(ofn->lCustData);
// Create the Title label and edit control
pImpl->_title_label = CreateWindowEx(0, "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
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :