scummvm/gui/browser.cpp
2004-12-18 02:33:37 +00:00

218 lines
5.5 KiB
C++

/* ScummVM - Scumm Interpreter
* Copyright (C) 2002-2004 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#include "stdafx.h"
#include "gui/browser.h"
#include "gui/newgui.h"
#include "gui/ListWidget.h"
#include "backends/fs/fs.h"
namespace GUI {
#ifdef MACOSX
/* On Mac OS X, use the native file selector dialog. We could do the same for
* other operating systems.
*/
BrowserDialog::BrowserDialog(const char *title)
: Dialog(20, 10, 320 -2 * 20, 200 - 2 * 10) {
_titleRef = CFStringCreateWithCString(0, title, CFStringGetSystemEncoding());
}
BrowserDialog::~BrowserDialog() {
CFRelease(_titleRef);
}
int BrowserDialog::runModal() {
NavDialogRef dialogRef;
WindowRef windowRef = 0;
NavDialogCreationOptions options;
NavUserAction result;
NavReplyRecord reply;
OSStatus err;
bool choiceMade = false;
// If in fullscreen mode, switch to windowed mode
bool wasFullscreen = g_system->getFeatureState(OSystem::kFeatureFullscreenMode);
if (wasFullscreen)
g_system->setFeatureState(OSystem::kFeatureFullscreenMode, false);
// Temporarily show the real mouse
ShowCursor();
err = NavGetDefaultDialogCreationOptions(&options);
assert(err == noErr);
options.windowTitle = _titleRef;
// options.message = CFSTR("Select your game directory");
options.modality = kWindowModalityAppModal;
err = NavCreateChooseFolderDialog(&options, 0, 0, 0, &dialogRef);
assert(err == noErr);
windowRef = NavDialogGetWindow(dialogRef);
err = NavDialogRun(dialogRef);
assert(err == noErr);
HideCursor();
result = NavDialogGetUserAction(dialogRef);
if (result == kNavUserActionChoose) {
err = NavDialogGetReply(dialogRef, &reply);
assert(err == noErr);
if (reply.validRecord && err == noErr) {
SInt32 theCount;
AECountItems(&reply.selection, &theCount);
assert(theCount == 1);
AEKeyword keyword;
FSRef ref;
char buf[4096];
err = AEGetNthPtr(&reply.selection, 1, typeFSRef, &keyword, NULL, &ref, sizeof(ref), NULL);
assert(err == noErr);
err = FSRefMakePath(&ref, (UInt8*)buf, sizeof(buf)-1);
assert(err == noErr);
_choice = FilesystemNode(buf);
choiceMade = true;
}
err = NavDisposeReply(&reply);
assert(err == noErr);
}
NavDialogDispose(dialogRef);
// If we were in fullscreen mode, switch back
if (wasFullscreen)
g_system->setFeatureState(OSystem::kFeatureFullscreenMode, true);
return choiceMade;
}
#else
/* We want to use this as a general directory selector at some point... possible uses
* - to select the data dir for a game
* - to select the place where save games are stored
* - others???
*/
enum {
kChooseCmd = 'Chos',
kGoUpCmd = 'GoUp'
};
BrowserDialog::BrowserDialog(const char *title)
: Dialog(20, 10, 320 -2 * 20, 200 - 2 * 10)
{
_fileList = NULL;
_currentPath = NULL;
// Headline - TODO: should be customizable during creation time
new StaticTextWidget(this, 10, 8, _w - 2 * 10, kLineHeight, title, kTextAlignCenter);
// Current path - TODO: handle long paths ?
_currentPath = new StaticTextWidget(this, 10, 20, _w - 2 * 10, kLineHeight,
"DUMMY", kTextAlignLeft);
// Add file list
_fileList = new ListWidget(this, 10, 34, _w - 2 * 10, _h - 34 - 24 - 10);
_fileList->setNumberingMode(kListNumberingOff);
_fileList->setEditable(false);
// Buttons
addButton(10, _h - 24, "Go up", kGoUpCmd, 0);
addButton(_w - 2 * (kButtonWidth + 10), _h - 24, "Cancel", kCloseCmd, 0);
addButton(_w - (kButtonWidth+10), _h - 24, "Choose", kChooseCmd, 0);
}
void BrowserDialog::open() {
// If no node has been set, or the last used one is now invalid,
// go back to the root/default dir.
if (!_node.isValid()) {
_node = FilesystemNode();
}
// Alway refresh file list
updateListing();
// Call super implementation
Dialog::open();
}
void BrowserDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
switch (cmd) {
case kChooseCmd: {
// If nothing is selected in the list widget, choose the current dir.
// Else, choose the dir that is selected.
int selection = _fileList->getSelected();
if (selection >= 0) {
_choice = _nodeContent[selection];
} else {
_choice = _node;
}
setResult(1);
close();
}
break;
case kGoUpCmd:
_node = _node.getParent();
updateListing();
break;
case kListItemActivatedCmd:
case kListItemDoubleClickedCmd:
_node = _nodeContent[data];
updateListing();
break;
default:
Dialog::handleCommand(sender, cmd, data);
}
}
void BrowserDialog::updateListing() {
// Update the path display
_currentPath->setLabel(_node.path());
// Read in the data from the file system
_nodeContent = _node.listDir();
_nodeContent.sort();
// Populate the ListWidget
Common::StringList list;
int size = _nodeContent.size();
for (int i = 0; i < size; i++) {
list.push_back(_nodeContent[i].displayName());
}
_fileList->setList(list);
_fileList->scrollTo(0);
// Finally, redraw
draw();
}
#endif // MACOSX
} // End of namespace GUI