package org.eclipse.swt.widgets; | |
/* | |
* (c) Copyright IBM Corp. 2000, 2001. | |
* All Rights Reserved | |
*/ | |
import org.eclipse.swt.internal.*; | |
import org.eclipse.swt.internal.photon.*; | |
import org.eclipse.swt.*; | |
import org.eclipse.swt.graphics.*; | |
import org.eclipse.swt.events.*; | |
public /*final*/ class List extends Scrollable { | |
public List (Composite parent, int style) { | |
super (parent, checkStyle (style)); | |
} | |
static int checkStyle (int style) { | |
return checkBits (style, SWT.SINGLE, SWT.MULTI, 0, 0, 0, 0); | |
} | |
public void add (String string) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
if (string == null) error (SWT.ERROR_NULL_ARGUMENT); | |
byte [] buffer = Converter.wcsToMbcs (null, string, true); | |
int ptr = OS.malloc (buffer.length); | |
OS.memmove (ptr, buffer, buffer.length); | |
OS.PtListAddItems (handle, new int [] {ptr}, 1, 0); | |
OS.free (ptr); | |
} | |
public void addSelectionListener(SelectionListener listener) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); | |
TypedListener typedListener = new TypedListener (listener); | |
addListener (SWT.Selection,typedListener); | |
addListener (SWT.DefaultSelection,typedListener); | |
} | |
public void add (String string, int index) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
if (string == null) error (SWT.ERROR_NULL_ARGUMENT); | |
if (index == -1) error (SWT.ERROR_INVALID_RANGE); | |
byte [] buffer = Converter.wcsToMbcs (null, string, true); | |
int ptr = OS.malloc (buffer.length); | |
OS.memmove (ptr, buffer, buffer.length); | |
int result = OS.PtListAddItems (handle, new int [] {ptr}, 1, index + 1); | |
OS.free (ptr); | |
if (result != 0) { | |
int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
if (0 <= index && index <= args [1]) error (SWT.ERROR_ITEM_NOT_ADDED); | |
error (SWT.ERROR_INVALID_RANGE); | |
} | |
} | |
public Point computeSize (int wHint, int hHint, boolean changed) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
/** | |
* Feature in Photon - The preferred width calculated by | |
* PtWidgetPreferredSize is the current width. | |
*/ | |
PhDim_t dim = new PhDim_t(); | |
if (!OS.PtWidgetIsRealized (handle)) OS.PtExtentWidget (handle); | |
OS.PtWidgetPreferredSize(handle, dim); | |
int width = 0, height = dim.h; | |
int [] args = new int [] { | |
OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0, | |
OS.Pt_ARG_ITEMS, 0, 0, | |
OS.Pt_ARG_LIST_FONT, 0, 0, | |
}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
PhRect_t rect = new PhRect_t(); | |
int [] items = new int [1]; | |
for (int i = 0; i < args [1]; i++) { | |
OS.memmove (items, args [4] + (i * 4), 4); | |
int length = OS.strlen (items [0]); | |
OS.PfExtentText(rect, null, args [7], items [0], length); | |
width = Math.max(width, rect.lr_x - rect.ul_x + 1); | |
} | |
rect = new PhRect_t (); | |
PhArea_t area = new PhArea_t (); | |
rect.lr_x = (short) (width + 1); | |
OS.PtSetAreaFromWidgetCanvas (handle, rect, area); | |
width = area.size_w; | |
if (wHint != SWT.DEFAULT || hHint != SWT.DEFAULT) { | |
rect = new PhRect_t (); | |
area = new PhArea_t (); | |
rect.lr_x = (short) (wHint - 1); | |
rect.lr_y = (short) (hHint - 1); | |
OS.PtSetAreaFromWidgetCanvas (handle, rect, area); | |
ScrollBar scroll; | |
if (wHint != SWT.DEFAULT) { | |
width = area.size_w; | |
if ((scroll = getVerticalBar()) != null) | |
width += scroll.getSize().x; | |
} | |
if (hHint != SWT.DEFAULT) { | |
height = area.size_h; | |
if ((scroll = getHorizontalBar()) != null) | |
height += scroll.getSize().y; | |
} | |
} | |
return new Point(width, height); | |
} | |
void createHandle (int index) { | |
state |= HANDLE; | |
Display display = getDisplay (); | |
int clazz = display.PtList; | |
int parentHandle = parent.handle; | |
int mode = OS.Pt_SELECTION_MODE_SINGLE | OS.Pt_SELECTION_MODE_AUTO; | |
if ((style & SWT.MULTI) != 0) { | |
if ((style & SWT.SIMPLE) != 0) { | |
mode = OS.Pt_SELECTION_MODE_MULTIPLE | OS.Pt_SELECTION_MODE_NOCLEAR | |
| OS.Pt_SELECTION_MODE_TOGGLE | OS.Pt_SELECTION_MODE_NOMOVE; | |
} else { | |
mode = OS.Pt_SELECTION_MODE_MULTIPLE | OS.Pt_SELECTION_MODE_AUTO; | |
} | |
} | |
mode |= OS.Pt_SELECTION_MODE_NOFOCUS; | |
boolean hasBorder = (style & SWT.BORDER) != 0; | |
int [] args = { | |
OS.Pt_ARG_FLAGS, hasBorder ? OS.Pt_HIGHLIGHTED : 0, OS.Pt_HIGHLIGHTED, | |
OS.Pt_ARG_SELECTION_MODE, mode, 0, | |
OS.Pt_ARG_FLAGS, OS.Pt_SELECTABLE | OS.Pt_SELECT_NOREDRAW, OS.Pt_SELECTABLE | OS.Pt_SELECT_NOREDRAW, | |
OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS, | |
}; | |
handle = OS.PtCreateWidget (clazz, parentHandle, args.length / 3, args); | |
if (handle == 0) error (SWT.ERROR_NO_HANDLES); | |
createScrollBars(); | |
} | |
byte [] defaultFont () { | |
Display display = getDisplay (); | |
return display.LIST_FONT; | |
} | |
public void deselect (int index) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
if (index < 0) return; | |
OS.PtListUnselectPos (handle, index + 1); | |
} | |
public void deselect (int start, int end) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
if (start > end) return; | |
if ((style & SWT.SINGLE) != 0) { | |
int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
int count = args [1]; | |
int index = Math.min (count - 1, end); | |
if (index >= start) deselect (index); | |
return; | |
} | |
for (int i=start; i<=end; i++) { | |
OS.PtListUnselectPos (handle, i + 1); | |
} | |
} | |
public void deselect (int [] indices) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); | |
if (indices.length == 0) return; | |
for (int i=0; i<indices.length; i++) { | |
int index = indices [i]; | |
if (index != -1) { | |
OS.PtListUnselectPos (handle, index + 1); | |
} | |
} | |
} | |
public void deselectAll () { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
int count = args [1]; | |
for (int i=0; i<count; i++) { | |
OS.PtListUnselectPos (handle, i + 1); | |
} | |
} | |
public int getFocusIndex () { | |
return getSelectionIndex (); | |
} | |
public String getItem (int index) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
int [] args = new int [] { | |
OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0, | |
OS.Pt_ARG_ITEMS, 0, 0, | |
}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
if (!(0 <= index && index < args [1])) { | |
error (SWT.ERROR_INVALID_RANGE); | |
} | |
int [] items = new int [1]; | |
OS.memmove (items, args [4] + (index * 4), 4); | |
int length = OS.strlen (items [0]); | |
byte [] buffer = new byte [length]; | |
OS.memmove (buffer, items [0], length); | |
char [] unicode = Converter.mbcsToWcs (null, buffer); | |
return new String (unicode); | |
} | |
public int getItemCount () { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
return args [1]; | |
} | |
public int getItemHeight () { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
int [] args = new int [] { | |
OS.Pt_ARG_LIST_TOTAL_HEIGHT, 0, 0, | |
OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0, | |
OS.Pt_ARG_LIST_FONT, 0, 0, | |
}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
if (args [4] == 0) { | |
int ptr = OS.malloc(1); | |
PhRect_t rect = new PhRect_t (); | |
OS.PfExtentText(rect, null, args [7], ptr, 1); | |
OS.free(ptr); | |
int inset = 4; | |
return inset + (rect.lr_y - rect.ul_y + 1); | |
} | |
return args [1] / args [4]; | |
} | |
public String [] getItems () { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
int [] args = new int [] { | |
OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0, | |
OS.Pt_ARG_ITEMS, 0, 0, | |
}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
int [] items = new int [args [1]]; | |
OS.memmove (items, args [4], args [1] * 4); | |
String [] result = new String [args [1]]; | |
for (int i=0; i<args [1]; i++) { | |
int length = OS.strlen (items [i]); | |
byte [] buffer = new byte [length]; | |
OS.memmove (buffer, items [i], length); | |
char [] unicode = Converter.mbcsToWcs (null, buffer); | |
result [i] = new String (unicode); | |
} | |
return result; | |
} | |
public String [] getSelection () { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
int [] indices = getSelectionIndices (); | |
String [] result = new String [indices.length]; | |
for (int i=0; i<indices.length; i++) { | |
result [i] = getItem (indices [i]); | |
} | |
return result; | |
} | |
public int getSelectionCount () { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
int [] args = new int [] {OS.Pt_ARG_LIST_SEL_COUNT, 0, 0}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
return args [1]; | |
} | |
public int getSelectionIndex () { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
int [] args = new int [] { | |
OS.Pt_ARG_LIST_SEL_COUNT, 0, 0, | |
OS.Pt_ARG_SELECTION_INDEXES, 0, 0, | |
}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
if (args [1] == 0) return -1; | |
short [] buffer = new short [1]; | |
OS.memmove (buffer, args [4], 2); | |
return buffer [0] - 1; | |
} | |
public int [] getSelectionIndices () { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
int [] args = new int [] { | |
OS.Pt_ARG_LIST_SEL_COUNT, 0, 0, | |
OS.Pt_ARG_SELECTION_INDEXES, 0, 0, | |
}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
short [] indices = new short [args [1]]; | |
OS.memmove (indices, args [4], args [1] * 2); | |
int [] result = new int [args [1]]; | |
for (int i=0; i<args [1]; i++) { | |
result [i] = indices [i] - 1; | |
} | |
return result; | |
} | |
public int getTopIndex () { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
int [] args = new int [] {OS.Pt_ARG_TOP_ITEM_POS, 0, 0}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
return args [1] - 1; | |
} | |
void hookEvents () { | |
super.hookEvents (); | |
int windowProc = getDisplay ().windowProc; | |
OS.PtAddCallback (handle, OS.Pt_CB_SELECTION, windowProc, SWT.Selection); | |
OS.PtAddCallback (handle, OS.Pt_CB_ACTIVATE, windowProc, SWT.DefaultSelection); | |
} | |
public int indexOf (String string) { | |
if (!isValidThread ()) error(SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error(SWT.ERROR_WIDGET_DISPOSED); | |
byte [] buffer = Converter.wcsToMbcs (null, string, true); | |
return OS.PtListItemPos(handle, buffer) - 1; | |
} | |
public int indexOf (String string, int start) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
if (string == null) error (SWT.ERROR_NULL_ARGUMENT); | |
// NOT DONE - start is ignored | |
return indexOf (string); | |
} | |
public boolean isSelected (int index) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
int [] args = new int [] { | |
OS.Pt_ARG_LIST_SEL_COUNT, 0, 0, | |
OS.Pt_ARG_SELECTION_INDEXES, 0, 0, | |
}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
short [] buffer = new short [1]; | |
for (int i=0; i<args [1]; i++) { | |
OS.memmove (buffer, args [4] + (i * 2), 2); | |
if (buffer [0] == index + 1) return true; | |
} | |
return false; | |
} | |
int processDefaultSelection (int info) { | |
if (info == 0) return OS.Pt_END; | |
PtCallbackInfo_t cbinfo = new PtCallbackInfo_t (); | |
OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof); | |
if (cbinfo.cbdata == 0) return OS.Pt_END; | |
int[] click_count = new int [1]; | |
OS.memmove(click_count, cbinfo.cbdata, 4); | |
if (click_count [0] > 1) postEvent (SWT.DefaultSelection); | |
return OS.Pt_CONTINUE; | |
} | |
int processPaint (int damage) { | |
OS.PtSuperClassDraw (OS.PtList (), handle, damage); | |
return super.processPaint (damage); | |
} | |
int processSelection (int info) { | |
postEvent (SWT.Selection); | |
return OS.Pt_CONTINUE; | |
} | |
public void remove (int index) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
if (!(0 <= index && index < args [1])) error (SWT.ERROR_INVALID_RANGE); | |
int result = OS.PtListDeleteItemPos (handle, 1, index + 1); | |
if (result != 0) error (SWT.ERROR_ITEM_NOT_REMOVED); | |
} | |
public void remove (String string) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
int index = indexOf (string, 0); | |
if (index == -1) error (SWT.ERROR_ITEM_NOT_REMOVED); | |
remove (index); | |
} | |
public void remove (int [] indices) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); | |
int [] newIndices = new int [indices.length]; | |
System.arraycopy (indices, 0, newIndices, 0, indices.length); | |
sort (newIndices); | |
int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
int count = args [1]; | |
for (int i=0; i<newIndices.length; i++ ) { | |
int index = newIndices [i]; | |
if (!(0 <= index && index < count)) error (SWT.ERROR_INVALID_RANGE); | |
int result = OS.PtListDeleteItemPos (handle, 1, index + 1); | |
if (result != 0) error (SWT.ERROR_ITEM_NOT_REMOVED); | |
} | |
} | |
public void remove (int start, int end) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
if (!(0 < start && start <= end && end < args [1])) { | |
error (SWT.ERROR_INVALID_RANGE); | |
} | |
int count = end - start + 1; | |
int result = OS.PtListDeleteItemPos (handle, count, start + 1); | |
if (result != 0) error (SWT.ERROR_ITEM_NOT_REMOVED); | |
} | |
public void removeAll () { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
OS.PtListDeleteAllItems (handle); | |
} | |
public void removeSelectionListener(SelectionListener listener) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); | |
if (eventTable == null) return; | |
eventTable.unhook (SWT.Selection, listener); | |
eventTable.unhook (SWT.DefaultSelection,listener); | |
} | |
public void select (int start, int end) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
if (start > end) return; | |
int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
int count = args [1]; | |
if ((style & SWT.SINGLE) != 0) { | |
int index = Math.min (count - 1, end); | |
if (index >= start) select (index); | |
return; | |
} | |
int gotoIndex = -1; | |
for (int index=end; index>=start; index--) { | |
if (0 <= index && index < count) { | |
gotoIndex = index; | |
OS.PtListSelectPos (handle, index + 1); | |
} | |
} | |
if (gotoIndex != -1) OS.PtListGotoPos (handle, gotoIndex + 1); | |
} | |
public void select (int [] indices) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); | |
if (indices.length == 0) return; | |
int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
int count = args [1]; | |
int gotoIndex = -1; | |
for (int i=0; i<indices.length; i++) { | |
int index = indices [i]; | |
if (0 <= index && index < count) { | |
gotoIndex = index; | |
OS.PtListSelectPos (handle, index + 1); | |
} | |
} | |
if (gotoIndex != -1) OS.PtListGotoPos (handle, gotoIndex + 1); | |
} | |
public void select (int index) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
if (index < 0) return; | |
int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
if (index < args [1]) { | |
OS.PtListSelectPos (handle, index + 1); | |
OS.PtListGotoPos (handle, index + 1); | |
} | |
} | |
public void selectAll () { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
if ((style & SWT.SINGLE) != 0) return; | |
int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
int count = args [1]; | |
for (int i=0; i<count; i++) { | |
OS.PtListSelectPos (handle, i + 1); | |
} | |
} | |
public void setItem (int index, String string) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
if (string == null) error (SWT.ERROR_NULL_ARGUMENT); | |
int [] args = new int [] {OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
if (!(0 <= index && index < args [1])) { | |
error (SWT.ERROR_INVALID_RANGE); | |
} | |
byte [] buffer = Converter.wcsToMbcs (null, string, true); | |
int ptr = OS.malloc (buffer.length); | |
OS.memmove (ptr, buffer, buffer.length); | |
OS.PtListReplaceItemPos (handle, new int [] {ptr}, 1, index + 1); | |
OS.free (ptr); | |
} | |
public void setItems (String [] items) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
if (items == null) error (SWT.ERROR_NULL_ARGUMENT); | |
OS.PtListDeleteAllItems (handle); | |
int[] itemsPtr = new int [items.length]; | |
for (int i=0; i<itemsPtr.length; i++) { | |
byte [] buffer = Converter.wcsToMbcs (null, items [i], true); | |
int ptr = OS.malloc (buffer.length); | |
OS.memmove (ptr, buffer, buffer.length); | |
itemsPtr [i] = ptr; | |
} | |
OS.PtListAddItems (handle, itemsPtr, itemsPtr.length, 0); | |
for (int i=0; i<itemsPtr.length; i++) { | |
OS.free (itemsPtr [i]); | |
} | |
} | |
public void setSelection (int start, int end) { | |
if ((style & SWT.MULTI) != 0) deselectAll (); | |
select (start, end); | |
} | |
public void setSelection (int index) { | |
if ((style & SWT.MULTI) != 0) deselectAll (); | |
select (index); | |
} | |
public void setSelection(int[] indices) { | |
if ((style & SWT.MULTI) != 0) deselectAll (); | |
select (indices); | |
} | |
public void setSelection (String [] items) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
if (items == null) error (SWT.ERROR_NULL_ARGUMENT); | |
if ((style & SWT.MULTI) != 0) deselectAll (); | |
for (int i=items.length-1; i>=0; --i) { | |
int index = 0; | |
String string = items [i]; | |
if (string != null) { | |
while ((index = indexOf (string, index)) != -1) { | |
select (index); | |
if (((style & SWT.SINGLE) != 0) && isSelected (index)) return; | |
index++; | |
} | |
} | |
} | |
if ((style & SWT.SINGLE) != 0) deselectAll (); | |
} | |
public void setTopIndex (int index) { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
int [] args = new int [] {OS.Pt_ARG_TOP_ITEM_POS, index + 1, 0}; | |
OS.PtSetResources (handle, args.length / 3, args); | |
} | |
public void showSelection () { | |
if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED); | |
int [] args = new int [] { | |
OS.Pt_ARG_LIST_SEL_COUNT, 0, 0, | |
OS.Pt_ARG_SELECTION_INDEXES, 0, 0, | |
OS.Pt_ARG_TOP_ITEM_POS, 0, 0, | |
OS.Pt_ARG_VISIBLE_COUNT, 0, 0, | |
OS.Pt_ARG_LIST_ITEM_COUNT, 0, 0 | |
}; | |
OS.PtGetResources (handle, args.length / 3, args); | |
if (args [1] == 0) return; | |
short [] buffer = new short [1]; | |
OS.memmove (buffer, args [4], 2); | |
int index = buffer [0] - 1; | |
int topIndex = args [7] - 1, visibleCount = args [10], count = args [13]; | |
int bottomIndex = Math.min (topIndex + visibleCount - 1, count); | |
if ((topIndex <= index) && (index <= bottomIndex)) return; | |
int lastIndex = Math.max (1, count - visibleCount + 1); | |
int newTop = Math.min (Math.max (index - (visibleCount / 2), 1), lastIndex); | |
args = new int [] {OS.Pt_ARG_TOP_ITEM_POS, newTop, 0}; | |
OS.PtSetResources (handle, args.length / 3, args); | |
} | |
int traversalCode (int key_sym, PhKeyEvent_t ke) { | |
int code = super.traversalCode (key_sym, ke); | |
if (key_sym == OS.Pk_Up || key_sym == OS.Pk_Down) { | |
code &= ~(SWT.TRAVERSE_ARROW_NEXT | SWT.TRAVERSE_ARROW_PREVIOUS); | |
} | |
return code; | |
} | |
} |