uuUndo/DSDialogs.c

#include <Aliases.h>
#include <Drag.h>
#include <FragLoad.h>
#include <GestaltEqu.h>
#include <QDOffscreen.h>

#include "DSGlobals.h"
#include "DSDialogs.h"
#include "DSUtilsASG.h"

enum {
	kPrefsDLOG = 149,
	kPrefsExtensionText = 1,
	kPrefsCreatorTypeText,
	kPrefsIconText,
	kPrefsListUser,
	kPrefsNewButton,
	kPrefsEditButton,
	kPrefsDeleteButton,
	kPrefsExtensionText2,
	kPrefsExtensionEdit,
	kPrefsExtensionStatic,
	kPrefsCreatorText,
	kPrefsCreatorEdit,
	kPrefsCreatorStatic,
	kPrefsTypeText,
	kPrefsTypeEdit,
	kPrefsTypeStatic,
	kPrefsApplicationText,
	kPrefsApplicationStatic,
	kPrefsIconText2,
	kPrefsIconUser,
	kPrefsDragAndDropText,
	kPrefsExampleButton,
	kPrefsTrashMenu
};

static void InitPrefsList(void);
static void AllocateIconGWorld(void);
static void SetUpForDragging(void);
static void UpdateSelection(void);
static void UpdateButtons(void);
static pascal void ListUserItem(DialogPtr theDialog, short theItem);
static pascal void IconUserItem(DialogPtr theDialog, short theItem);
static OSErr FindIcon(OSType creator, OSType type);
static void EraseGWorld(GWorldPtr theGWorld);
static void StartEditing(void);
static void StopEditing(void);
static void SaveChanges(void);
static void SaveResults(void);
static void SetExampleType(OSType creator, OSType type);
static pascal OSErr DragTracker(DragTrackingMessage message, WindowPtr theWindow, 
			void *handlerRefCon, DragReference theDragRef);
static pascal OSErr DragReceiver(WindowPtr theWindow, void *handlerRefCon,
			DragReference theDragRef);
static Boolean IsValidDrag(DragReference theDragRef, HFSFlavor *theFile);

static UserItemUPP gListUserItem = nil, gIconUserItem = nil;
static DragTrackingHandlerUPP gDragTracker = nil;
static DragReceiveHandlerUPP gDragReceiver = nil;
static DialogPtr gPrefsDialog = nil;
static ListHandle gPrefsList = nil;
static GWorldPtr gTheGWorld = nil;
static OSErr gIconType = kLargeIcon;
static Rect gIconBounds = { 0, 0, 32, 32 };
static Boolean gEditing = false;
static Str255 gApplicationName;
static char gIconBuffer[1024];

void OpenUserDialog(short menuID, short menuItem)
{
	if (gPrefsDialog) {
		SelectWindow(gPrefsDialog);
		return;
	}
	gPrefsDialog = GetNewDialog(kPrefsDLOG, nil, (WindowPtr)-1);
	if (gPrefsDialog) {
		SetWindowPosition(gPrefsDialog, (*gPrefs)->prefsLoc);
		ShowWindow(gPrefsDialog);
		InitPrefsList();
		if (gPrefsList) {
			AllocateIconGWorld();
			if (!gIconUserItem) gIconUserItem = NewUserItemProc(IconUserItem);
			SetItemHandle(gPrefsDialog, kPrefsIconUser, (Handle)gIconUserItem);
			EnableItem(GetMHandle(kFileNum), 2);
			SetUpForDragging();
			StopEditing();
			UpdateSelection();
			UpdateButtons();
			SetCtlValue((ControlHandle)GetItemHandle(gPrefsDialog, kPrefsTrashMenu), (*gPrefs)->trashSource + 1);
		}
	}
}

void InitPrefsList(void)
{
	Rect itemRect, listRect = { 0, 0, 0, 1 };
	Handle itemHandle;
	Point cellSize;
	short itemType;
	
	GetDItem(gPrefsDialog, kPrefsListUser, &itemType, &itemHandle, &itemRect);
	itemRect.right -= 16;
	cellSize.v = 32 + 2;
	cellSize.h = itemRect.right - itemRect.left;
	gPrefsList = LNew(&itemRect, &listRect, cellSize, 128, gPrefsDialog,
				false, false, false, true);
	if (gPrefsList) {
		int count = *(short *)*gMapResource, offset = 0;
		Cell theCell = { 0, 0 };
		(*gPrefsList)->selFlags = lOnlyOne + lNoNilHilite;
		LAddRow(count, 32767, gPrefsList);
		offset += 2;
		while (count--) {
			char data[16];
			BlockMove(*gMapResource + offset, data, 16);
			LSetCell(data, 16, theCell, gPrefsList);
			theCell.v++;
			offset += 16;
		}
	}
	if (!gListUserItem) gListUserItem = NewUserItemProc(ListUserItem);
	SetItemHandle(gPrefsDialog, kPrefsListUser, (Handle)gListUserItem);
	LDoDraw(true, gPrefsList);
}

void AllocateIconGWorld(void)
{
	short depth;
	if (((CGrafPtr)gPrefsDialog)->portVersion & 0xc000) {
		GDHandle mostDevice;
		GrafPtr oldPort;
		Rect globalRect;
		GetPort(&oldPort);
		SetPort(gPrefsDialog);
		globalRect = gPrefsDialog->portRect;
		LocalToGlobal((Point *)&globalRect.top);
		LocalToGlobal((Point *)&globalRect.bottom);
		mostDevice = GetMaxDevice(&globalRect);
		depth = (*(*mo