package org.eclipse.swt.widgets; | |
/* | |
* Copyright (c) 2000, 2002 IBM Corp. All rights reserved. | |
* This file is made available under the terms of the Common Public License v1.0 | |
* which accompanies this distribution, and is available at | |
* http://www.eclipse.org/legal/cpl-v10.html | |
*/ | |
import org.eclipse.swt.internal.win32.*; | |
import org.eclipse.swt.*; | |
import org.eclipse.swt.graphics.*; | |
import org.eclipse.swt.events.*; | |
/** | |
* Instances of this class represent the "windows" | |
* which the desktop or "window manager" is managing. | |
* Instances that do not have a parent (that is, they | |
* are built using the constructor, which takes a | |
* <code>Display</code> as the argument) are described | |
* as <em>top level</em> shells. Instances that do have | |
* a parent are described as <em>secondary</em> or | |
* <em>dialog</em> shells. | |
* <p> | |
* Instances are always displayed in one of the maximized, | |
* minimized or normal states: | |
* <ul> | |
* <li> | |
* When an instance is marked as <em>maximized</em>, the | |
* window manager will typically resize it to fill the | |
* entire visible area of the display, and the instance | |
* is usually put in a state where it can not be resized | |
* (even if it has style <code>RESIZE</code>) until it is | |
* no longer maximized. | |
* </li><li> | |
* When an instance is in the <em>normal</em> state (neither | |
* maximized or minimized), its appearance is controlled by | |
* the style constants which were specified when it was created | |
* and the restrictions of the window manager (see below). | |
* </li><li> | |
* When an instance has been marked as <em>minimized</em>, | |
* its contents (client area) will usually not be visible, | |
* and depending on the window manager, it may be | |
* "iconified" (that is, replaced on the desktop by a small | |
* simplified representation of itself), relocated to a | |
* distinguished area of the screen, or hidden. Combinations | |
* of these changes are also possible. | |
* </li> | |
* </ul> | |
* </p> | |
* <p> | |
* Note: The styles supported by this class must be treated | |
* as <em>HINT</em>s, since the window manager for the | |
* desktop on which the instance is visible has ultimate | |
* control over the appearance and behavior of decorations | |
* and modality. For example, some window managers only | |
* support resizable windows and will always assume the | |
* RESIZE style, even if it is not set. In addition, if a | |
* modality style is not supported, it is "upgraded" to a | |
* more restrictive modality style that is supported. For | |
* example, if <code>PRIMARY_MODAL</code> is not supported, | |
* it would be upgraded to <code>APPLICATION_MODAL</code>. | |
* <dl> | |
* <dt><b>Styles:</b></dt> | |
* <dd>BORDER, CLOSE, MIN, MAX, NO_TRIM, RESIZE, TITLE</dd> | |
* <dd>APPLICATION_MODAL, MODELESS, PRIMARY_MODAL, SYSTEM_MODAL</dd> | |
* <dt><b>Events:</b></dt> | |
* <dd>Activate, Close, Deactivate, Deiconify, Iconify</dd> | |
* </dl> | |
* Class <code>SWT</code> provides two "convenience constants" | |
* for the most commonly required style combinations: | |
* <dl> | |
* <dt><code>SHELL_TRIM</code></dt> | |
* <dd> | |
* the result of combining the constants which are required | |
* to produce a typical application top level shell: (that | |
* is, <code>CLOSE | TITLE | MIN | MAX | RESIZE</code>) | |
* </dd> | |
* <dt><code>DIALOG_TRIM</code></dt> | |
* <dd> | |
* the result of combining the constants which are required | |
* to produce a typical application dialog shell: (that | |
* is, <code>TITLE | CLOSE | BORDER</code>) | |
* </dd> | |
* </dl> | |
* </p> | |
* <p> | |
* Note: Only one of the styles APPLICATION_MODAL, MODELESS, | |
* PRIMARY_MODAL and SYSTEM_MODAL may be specified. | |
* </p><p> | |
* IMPORTANT: This class is not intended to be subclassed. | |
* </p> | |
* | |
* @see Decorations | |
* @see SWT | |
*/ | |
public class Shell extends Decorations { | |
Display display; | |
Menu activeMenu; | |
int hIMC; | |
int [] brushes; | |
boolean showWithParent; | |
int toolTipHandle, lpstrTip; | |
Control lastActive; | |
SHACTIVATEINFO psai; | |
static final int DialogProc; | |
static final TCHAR DialogClass = new TCHAR (0, OS.IsWinCE ? "Dialog" : "#32770", true); | |
static { | |
WNDCLASS lpWndClass = new WNDCLASS (); | |
OS.GetClassInfo (0, DialogClass, lpWndClass); | |
DialogProc = lpWndClass.lpfnWndProc; | |
} | |
/** | |
* Constructs a new instance of this class. This is equivalent | |
* to calling <code>Shell((Display) null)</code>. | |
* | |
* @exception SWTException <ul> | |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
* </ul> | |
*/ | |
public Shell () { | |
this ((Display) null); | |
} | |
/** | |
* Constructs a new instance of this class given only the style | |
* value describing its behavior and appearance. This is equivalent | |
* to calling <code>Shell((Display) null, style)</code>. | |
* <p> | |
* The style value is either one of the style constants defined in | |
* class <code>SWT</code> which is applicable to instances of this | |
* class, or must be built by <em>bitwise OR</em>'ing together | |
* (that is, using the <code>int</code> "|" operator) two or more | |
* of those <code>SWT</code> style constants. The class description | |
* lists the style constants that are applicable to the class. | |
* Style bits are also inherited from superclasses. | |
* </p> | |
* | |
* @param style the style of control to construct | |
* | |
* @exception SWTException <ul> | |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
* </ul> | |
* | |
* @see SWT#BORDER | |
* @see SWT#CLOSE | |
* @see SWT#MIN | |
* @see SWT#MAX | |
* @see SWT#RESIZE | |
* @see SWT#TITLE | |
* @see SWT#NO_TRIM | |
* @see SWT#SHELL_TRIM | |
* @see SWT#DIALOG_TRIM | |
* @see SWT#MODELESS | |
* @see SWT#PRIMARY_MODAL | |
* @see SWT#APPLICATION_MODAL | |
* @see SWT#SYSTEM_MODAL | |
*/ | |
public Shell (int style) { | |
this ((Display) null, style); | |
} | |
/** | |
* Constructs a new instance of this class given only the display | |
* to create it on. It is created with style <code>SWT.SHELL_TRIM</code>. | |
* <p> | |
* Note: Currently, null can be passed in for the display argument. | |
* This has the effect of creating the shell on the currently active | |
* display if there is one. If there is no current display, the | |
* shell is created on a "default" display. <b>Passing in null as | |
* the display argument is not considered to be good coding style, | |
* and may not be supported in a future release of SWT.</b> | |
* </p> | |
* | |
* @param display the display to create the shell on | |
* | |
* @exception SWTException <ul> | |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
* </ul> | |
*/ | |
public Shell (Display display) { | |
this (display, OS.IsWinCE ? SWT.NONE : SWT.SHELL_TRIM); | |
} | |
/** | |
* Constructs a new instance of this class given the display | |
* to create it on and a style value describing its behavior | |
* and appearance. | |
* <p> | |
* The style value is either one of the style constants defined in | |
* class <code>SWT</code> which is applicable to instances of this | |
* class, or must be built by <em>bitwise OR</em>'ing together | |
* (that is, using the <code>int</code> "|" operator) two or more | |
* of those <code>SWT</code> style constants. The class description | |
* lists the style constants that are applicable to the class. | |
* Style bits are also inherited from superclasses. | |
* </p><p> | |
* Note: Currently, null can be passed in for the display argument. | |
* This has the effect of creating the shell on the currently active | |
* display if there is one. If there is no current display, the | |
* shell is created on a "default" display. <b>Passing in null as | |
* the display argument is not considered to be good coding style, | |
* and may not be supported in a future release of SWT.</b> | |
* </p> | |
* | |
* @param display the display to create the shell on | |
* @param style the style of control to construct | |
* | |
* @exception SWTException <ul> | |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
* </ul> | |
* | |
* @see SWT#BORDER | |
* @see SWT#CLOSE | |
* @see SWT#MIN | |
* @see SWT#MAX | |
* @see SWT#RESIZE | |
* @see SWT#TITLE | |
* @see SWT#NO_TRIM | |
* @see SWT#SHELL_TRIM | |
* @see SWT#DIALOG_TRIM | |
* @see SWT#MODELESS | |
* @see SWT#PRIMARY_MODAL | |
* @see SWT#APPLICATION_MODAL | |
* @see SWT#SYSTEM_MODAL | |
*/ | |
public Shell (Display display, int style) { | |
this (display, null, style, 0); | |
} | |
Shell (Display display, Shell parent, int style, int handle) { | |
super (); | |
checkSubclass (); | |
if (display == null) display = Display.getCurrent (); | |
if (display == null) display = Display.getDefault (); | |
if (!display.isValidThread ()) { | |
error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
} | |
this.style = checkStyle (style); | |
this.parent = parent; | |
this.display = display; | |
this.handle = handle; | |
createWidget (); | |
} | |
/** | |
* Constructs a new instance of this class given only its | |
* parent. It is created with style <code>SWT.DIALOG_TRIM</code>. | |
* <p> | |
* Note: Currently, null can be passed in for the parent. | |
* This has the effect of creating the shell on the currently active | |
* display if there is one. If there is no current display, the | |
* shell is created on a "default" display. <b>Passing in null as | |
* the parent is not considered to be good coding style, | |
* and may not be supported in a future release of SWT.</b> | |
* </p> | |
* | |
* @param parent a shell which will be the parent of the new instance | |
* | |
* @exception IllegalArgumentException <ul> | |
* <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
* </ul> | |
* @exception SWTException <ul> | |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
* </ul> | |
*/ | |
public Shell (Shell parent) { | |
this (parent, OS.IsWinCE ? SWT.NONE : SWT.DIALOG_TRIM); | |
} | |
/** | |
* Constructs a new instance of this class given its parent | |
* and a style value describing its behavior and appearance. | |
* <p> | |
* The style value is either one of the style constants defined in | |
* class <code>SWT</code> which is applicable to instances of this | |
* class, or must be built by <em>bitwise OR</em>'ing together | |
* (that is, using the <code>int</code> "|" operator) two or more | |
* of those <code>SWT</code> style constants. The class description | |
* lists the style constants that are applicable to the class. | |
* Style bits are also inherited from superclasses. | |
* </p><p> | |
* Note: Currently, null can be passed in for the parent. | |
* This has the effect of creating the shell on the currently active | |
* display if there is one. If there is no current display, the | |
* shell is created on a "default" display. <b>Passing in null as | |
* the parent is not considered to be good coding style, | |
* and may not be supported in a future release of SWT.</b> | |
* </p> | |
* | |
* @param parent a shell which will be the parent of the new instance | |
* @param style the style of control to construct | |
* | |
* @exception SWTException <ul> | |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
* </ul> | |
* | |
* @see SWT#BORDER | |
* @see SWT#CLOSE | |
* @see SWT#MIN | |
* @see SWT#MAX | |
* @see SWT#RESIZE | |
* @see SWT#TITLE | |
* @see SWT#NO_TRIM | |
* @see SWT#SHELL_TRIM | |
* @see SWT#DIALOG_TRIM | |
* @see SWT#MODELESS | |
* @see SWT#PRIMARY_MODAL | |
* @see SWT#APPLICATION_MODAL | |
* @see SWT#SYSTEM_MODAL | |
*/ | |
public Shell (Shell parent, int style) { | |
this (parent != null ? parent.getDisplay () : null, parent, style, 0); | |
} | |
/** | |
* Invokes platform specific functionality to allocate a new shell. | |
* <p> | |
* <b>IMPORTANT:</b> This method is <em>not</em> part of the public | |
* API for <code>Shell</code>. It is marked public only so that it | |
* can be shared within the packages provided by SWT. It is not | |
* available on all platforms, and should never be called from | |
* application code. | |
* </p> | |
* | |
* @param display the display for the shell | |
* @param handle the handle for the shell | |
* | |
* @private | |
*/ | |
public static Shell win32_new (Display display, int handle) { | |
return new Shell (display, null, SWT.NO_TRIM, handle); | |
} | |
static int checkStyle (int style) { | |
style = Decorations.checkStyle (style); | |
int mask = SWT.SYSTEM_MODAL | SWT.APPLICATION_MODAL | SWT.PRIMARY_MODAL; | |
int bits = style & ~mask; | |
if ((style & SWT.SYSTEM_MODAL) != 0) return bits | SWT.SYSTEM_MODAL; | |
if ((style & SWT.APPLICATION_MODAL) != 0) return bits | SWT.APPLICATION_MODAL; | |
if ((style & SWT.PRIMARY_MODAL) != 0) return bits | SWT.PRIMARY_MODAL; | |
return bits; | |
} | |
/** | |
* Adds the listener to the collection of listeners who will | |
* be notified when operations are performed on the receiver, | |
* by sending the listener one of the messages defined in the | |
* <code>ShellListener</code> interface. | |
* | |
* @param listener the listener which should be notified | |
* | |
* @exception IllegalArgumentException <ul> | |
* <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
* </ul> | |
* @exception SWTException <ul> | |
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
* </ul> | |
* | |
* @see ShellListener | |
* @see #removeShellListener | |
*/ | |
public void addShellListener (ShellListener listener) { | |
checkWidget (); | |
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); | |
TypedListener typedListener = new TypedListener (listener); | |
addListener (SWT.Close,typedListener); | |
addListener (SWT.Iconify,typedListener); | |
addListener (SWT.Deiconify,typedListener); | |
addListener (SWT.Activate, typedListener); | |
addListener (SWT.Deactivate, typedListener); | |
} | |
int callWindowProc (int msg, int wParam, int lParam) { | |
if (parent != null) { | |
if (handle == 0) return 0; | |
switch (msg) { | |
case OS.WM_KILLFOCUS: | |
case OS.WM_SETFOCUS: | |
return OS.DefWindowProc (handle, msg, wParam, lParam); | |
} | |
return OS.CallWindowProc (DialogProc, handle, msg, wParam, lParam); | |
} | |
return super.callWindowProc (msg, wParam, lParam); | |
} | |
/** | |
* Requests that the window manager close the receiver in | |
* the same way it would be closed when the user clicks on | |
* the "close box" or performs some other platform specific | |
* key or mouse combination that indicates the window | |
* should be removed. | |
* | |
* @exception SWTException <ul> | |
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
* </ul> | |
* | |
* @see #dispose | |
*/ | |
public void close () { | |
checkWidget (); | |
OS.PostMessage (handle, OS.WM_CLOSE, 0, 0); | |
} | |
void createHandle () { | |
boolean embedded = handle != 0; | |
/* | |
* On Windows 98 and NT, setting a window to be the | |
* top most window using HWND_TOPMOST can result in a | |
* parent dialog shell being moved behind its parent | |
* if the dialog has a sibling that is currently on top | |
* This only occurs using SetWindowPos (), not when the | |
* handle is created. | |
*/ | |
/* | |
* The following code is intentionally commented. | |
*/ | |
// if ((style & SWT.ON_TOP) != 0) display.lockActiveWindow = true; | |
super.createHandle (); | |
/* | |
* The following code is intentionally commented. | |
*/ | |
// if ((style & SWT.ON_TOP) != 0) display.lockActiveWindow = false; | |
if (!embedded) { | |
int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); | |
bits &= ~(OS.WS_OVERLAPPED | OS.WS_CAPTION); | |
if (!OS.IsWinCE) bits |= OS.WS_POPUP; | |
if ((style & SWT.TITLE) != 0) bits |= OS.WS_CAPTION; | |
if ((style & SWT.NO_TRIM) == 0) { | |
if ((style & (SWT.BORDER | SWT.RESIZE)) == 0) bits |= OS.WS_BORDER; | |
} | |
OS.SetWindowLong (handle, OS.GWL_STYLE, bits); | |
if (OS.IsWinCE) setMaximized (true); | |
if (OS.IsPPC) { | |
psai = new SHACTIVATEINFO (); | |
psai.cbSize = SHACTIVATEINFO.sizeof; | |
} | |
} | |
if (OS.IsDBLocale) { | |
hIMC = OS.ImmCreateContext (); | |
if (hIMC != 0) OS.ImmAssociateContext (handle, hIMC); | |
} | |
} | |
public void dispose () { | |
/* | |
* This code is intentionally commented. On some | |
* platforms, the owner window is repainted right | |
* away when a dialog window exits. This behavior | |
* is currently unspecified. | |
*/ | |
// /* | |
// * Note: It is valid to attempt to dispose a widget | |
// * more than once. If this happens, fail silently. | |
// */ | |
// if (!isValidWidget ()) return; | |
// if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
// Display oldDisplay = display; | |
super.dispose (); | |
// widget is disposed at this point | |
// if (oldDisplay != null) oldDisplay.update (); | |
} | |
int findBrush (int pixel) { | |
if (pixel == OS.GetSysColor (OS.COLOR_BTNFACE)) { | |
return OS.GetSysColorBrush (OS.COLOR_BTNFACE); | |
} | |
if (pixel == OS.GetSysColor (OS.COLOR_WINDOW)) { | |
return OS.GetSysColorBrush (OS.COLOR_WINDOW); | |
} | |
if (brushes == null) brushes = new int [4]; | |
LOGBRUSH logBrush = new LOGBRUSH (); | |
for (int i=0; i<brushes.length; i++) { | |
int hBrush = brushes [i]; | |
if (hBrush == 0) break; | |
OS.GetObject (hBrush, LOGBRUSH.sizeof, logBrush); | |
if (logBrush.lbColor == pixel) return hBrush; | |
} | |
int length = brushes.length; | |
int hBrush = brushes [--length]; | |
if (hBrush != 0) OS.DeleteObject (hBrush); | |
System.arraycopy (brushes, 0, brushes, 1, length); | |
brushes [0] = hBrush = OS.CreateSolidBrush (pixel); | |
return hBrush; | |
} | |
int findCursor () { | |
return hCursor; | |
} | |
/** | |
* Moves the receiver to the top of the drawing order for | |
* the display on which it was created (so that all other | |
* shells on that display, which are not the receiver's | |
* children will be drawn behind it) and forces the window | |
* manager to make the shell active. | |
* | |
* @exception SWTException <ul> | |
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
* </ul> | |
* | |
* @since 2.0 | |
* @see Control#moveAbove | |
* @see Control#setFocus | |
* @see Control#setVisible | |
* @see Display#getActiveShell | |
* @see Decorations#setDefaultButton | |
* @see Shell#open | |
* @see Shell#setActive | |
*/ | |
public void forceActive () { | |
checkWidget (); | |
OS.SetForegroundWindow (handle); | |
} | |
void forceResize () { | |
/* Do nothing */ | |
} | |
public Rectangle getBounds () { | |
checkWidget (); | |
if (!OS.IsWinCE) { | |
if (OS.IsIconic (handle)) return super.getBounds (); | |
} | |
RECT rect = new RECT (); | |
OS.GetWindowRect (handle, rect); | |
int width = rect.right - rect.left; | |
int height = rect.bottom - rect.top; | |
return new Rectangle (rect.left, rect.top, width, height); | |
} | |
public Display getDisplay () { | |
if (display == null) error (SWT.ERROR_WIDGET_DISPOSED); | |
return display; | |
} | |
public boolean getEnabled () { | |
checkWidget (); | |
return (state & DISABLED) == 0; | |
} | |
/** | |
* Returns the receiver's input method editor mode. This | |
* will be the result of bitwise OR'ing together one or | |
* more of the following constants defined in class | |
* <code>SWT</code>: | |
* <code>NONE</code>, <code>ROMAN</code>, <code>DBCS</code>, | |
* <code>PHONETIC</code>, <code>NATIVE</code>, <code>ALPHA</code>. | |
* | |
* @return the IME mode | |
* | |
* @exception SWTException <ul> | |
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
* </ul> | |
* | |
* @see SWT | |
*/ | |
public int getImeInputMode () { | |
checkWidget (); | |
if (!OS.IsDBLocale) return 0; | |
int hIMC = OS.ImmGetContext (handle); | |
int [] lpfdwConversion = new int [1], lpfdwSentence = new int [1]; | |
boolean open = OS.ImmGetOpenStatus (hIMC); | |
if (open) open = OS.ImmGetConversionStatus (hIMC, lpfdwConversion, lpfdwSentence); | |
OS.ImmReleaseContext (handle, hIMC); | |
if (!open) return SWT.NONE; | |
int result = 0; | |
if ((lpfdwConversion [0] & OS.IME_CMODE_ROMAN) != 0) result |= SWT.ROMAN; | |
if ((lpfdwConversion [0] & OS.IME_CMODE_FULLSHAPE) != 0) result |= SWT.DBCS; | |
if ((lpfdwConversion [0] & OS.IME_CMODE_KATAKANA) != 0) return result | SWT.PHONETIC; | |
if ((lpfdwConversion [0] & OS.IME_CMODE_NATIVE) != 0) return result | SWT.NATIVE; | |
return result | SWT.ALPHA; | |
} | |
public Point getLocation () { | |
checkWidget (); | |
if (!OS.IsWinCE) { | |
if (OS.IsIconic (handle)) { | |
return super.getLocation (); | |
} | |
} | |
RECT rect = new RECT (); | |
OS.GetWindowRect (handle, rect); | |
return new Point (rect.left, rect.top); | |
} | |
public Shell getShell () { | |
checkWidget (); | |
return this; | |
} | |
/** | |
* Returns an array containing all shells which are | |
* descendents of the receiver. | |
* <p> | |
* @return the dialog shells | |
* | |
* @exception SWTException <ul> | |
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
* </ul> | |
*/ | |
public Shell [] getShells () { | |
checkWidget (); | |
int count = 0; | |
Shell [] shells = display.getShells (); | |
for (int i=0; i<shells.length; i++) { | |
Control shell = shells [i]; | |
do { | |
shell = shell.parent; | |
} while (shell != null && shell != this); | |
if (shell == this) count++; | |
} | |
int index = 0; | |
Shell [] result = new Shell [count]; | |
for (int i=0; i<shells.length; i++) { | |
Control shell = shells [i]; | |
do { | |
shell = shell.parent; | |
} while (shell != null && shell != this); | |
if (shell == this) { | |
result [index++] = shells [i]; | |
} | |
} | |
return result; | |
} | |
public boolean isEnabled () { | |
checkWidget (); | |
return getEnabled (); | |
} | |
/** | |
* Moves the receiver to the top of the drawing order for | |
* the display on which it was created (so that all other | |
* shells on that display, which are not the receiver's | |
* children will be drawn behind it), marks it visible, | |
* and sets focus to its default button (if it has one) | |
* and asks the window manager to make the shell active. | |
* | |
* @exception SWTException <ul> | |
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
* </ul> | |
* | |
* @see Control#moveAbove | |
* @see Control#setFocus | |
* @see Control#setVisible | |
* @see Display#getActiveShell | |
* @see Decorations#setDefaultButton | |
* @see Shell#setActive | |
* @see Shell#forceActive | |
*/ | |
public void open () { | |
checkWidget (); | |
bringToTop (); | |
/* | |
* Feature on WinCE PPC. A new application becomes | |
* the foreground application only if it has at least | |
* one visible window before the event loop is started. | |
* The workaround is to explicitely force the shell to | |
* be the foreground window. | |
*/ | |
if (OS.IsWinCE) OS.SetForegroundWindow (handle); | |
OS.SendMessage (handle, OS.WM_CHANGEUISTATE, OS.UIS_INITIALIZE, 0); | |
setVisible (true); | |
if (!restoreFocus ()) traverseGroup (true); | |
} | |
void releaseShells () { | |
Shell [] shells = getShells (); | |
for (int i=0; i<shells.length; i++) { | |
Shell shell = shells [i]; | |
if (!shell.isDisposed ()) shell.releaseResources (); | |
} | |
} | |
void releaseWidget () { | |
releaseShells (); | |
super.releaseWidget (); | |
activeMenu = null; | |
display.clearModal (this); | |
display = null; | |
if (lpstrTip != 0) { | |
int hHeap = OS.GetProcessHeap (); | |
OS.HeapFree (hHeap, 0, lpstrTip); | |
} | |
lpstrTip = 0; | |
toolTipHandle = 0; | |
if (brushes != null) { | |
for (int i=0; i<brushes.length; i++) { | |
int hBrush = brushes [i]; | |
if (hBrush != 0) OS.DeleteObject (hBrush); | |
} | |
} | |
brushes = null; | |
if (OS.IsDBLocale) { | |
if (hIMC != 0) OS.ImmDestroyContext (hIMC); | |
} | |
lastActive = null; | |
} | |
void remove (Menu menu) { | |
super.remove (menu); | |
if (menu == activeMenu) activeMenu = null; | |
} | |
/** | |
* Removes the listener from the collection of listeners who will | |
* be notified when operations are performed on the receiver. | |
* | |
* @param listener the listener which should no longer be notified | |
* | |
* @exception IllegalArgumentException <ul> | |
* <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
* </ul> | |
* @exception SWTException <ul> | |
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
* </ul> | |
* | |
* @see ShellListener | |
* @see #addShellListener | |
*/ | |
public void removeShellListener (ShellListener listener) { | |
checkWidget (); | |
if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); | |
if (eventTable == null) return; | |
eventTable.unhook (SWT.Close, listener); | |
eventTable.unhook (SWT.Iconify,listener); | |
eventTable.unhook (SWT.Deiconify,listener); | |
eventTable.unhook (SWT.Activate, listener); | |
eventTable.unhook (SWT.Deactivate, listener); | |
} | |
LRESULT selectPalette (int hPalette) { | |
int hDC = OS.GetDC (handle); | |
int hOld = OS.SelectPalette (hDC, hPalette, false); | |
int result = OS.RealizePalette (hDC); | |
if (result > 0) { | |
OS.InvalidateRect (handle, null, true); | |
} else { | |
OS.SelectPalette (hDC, hOld, true); | |
OS.RealizePalette (hDC); | |
} | |
OS.ReleaseDC (handle, hDC); | |
return (result > 0) ? LRESULT.ONE : LRESULT.ZERO; | |
} | |
/** | |
* Moves the receiver to the top of the drawing order for | |
* the display on which it was created (so that all other | |
* shells on that display, which are not the receiver's | |
* children will be drawn behind it) and asks the window | |
* manager to make the shell active. | |
* | |
* @exception SWTException <ul> | |
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
* </ul> | |
* | |
* @since 2.0 | |
* @see Control#moveAbove | |
* @see Control#setFocus | |
* @see Control#setVisible | |
* @see Display#getActiveShell | |
* @see Decorations#setDefaultButton | |
* @see Shell#open | |
* @see Shell#setActive | |
*/ | |
public void setActive () { | |
checkWidget (); | |
bringToTop (); | |
} | |
void setActiveControl (Control control) { | |
if (control != null && control.isDisposed ()) control = null; | |
if (lastActive != null && lastActive.isDisposed ()) lastActive = null; | |
if (lastActive == control) return; | |
/* | |
* Compute the list of controls to be activated and | |
* deactivated by finding the first common parent | |
* control. | |
*/ | |
Control [] activate = (control == null) ? new Control [0] : control.getPath (); | |
Control [] deactivate = (lastActive == null) ? new Control [0] : lastActive.getPath (); | |
lastActive = control; | |
int index = 0, length = Math.min (activate.length, deactivate.length); | |
while (index < length) { | |
if (activate [index] != deactivate [index]) break; | |
index++; | |
} | |
/* | |
* It is possible (but unlikely), that application | |
* code could have destroyed some of the widgets. If | |
* this happens, keep processing those widgets that | |
* are not disposed. | |
*/ | |
for (int i=deactivate.length-1; i>=index; --i) { | |
if (!deactivate [i].isDisposed ()) { | |
deactivate [i].sendEvent (SWT.Deactivate); | |
} | |
} | |
for (int i=activate.length-1; i>=index; --i) { | |
if (!activate [i].isDisposed ()) { | |
activate [i].sendEvent (SWT.Activate); | |
} | |
} | |
} | |
void setBounds (int x, int y, int width, int height, int flags) { | |
if (OS.IsWinCE) { | |
swFlags = OS.SW_RESTORE; | |
if ((style & SWT.NO_TRIM) == 0) { | |
/* Set the WS_CAPTION bits when no longer maximized */ | |
int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); | |
if ((bits & OS.WS_CAPTION) != OS.WS_CAPTION) { | |
bits |= OS.WS_CAPTION; | |
OS.SetWindowLong (handle, OS.GWL_STYLE, bits); | |
} | |
} | |
} else { | |
if (OS.IsIconic (handle) || OS.IsZoomed (handle)) { | |
setPlacement (x, y, width, height, flags); | |
return; | |
} | |
} | |
flags |= OS.SWP_NOZORDER | OS.SWP_DRAWFRAME | OS.SWP_NOACTIVATE; | |
OS.SetWindowPos (handle, 0, x, y, width, height, flags); | |
} | |
public void setEnabled (boolean enabled) { | |
checkWidget (); | |
state &= ~DISABLED; | |
if (!enabled) state |= DISABLED; | |
if (!Display.TrimEnabled) { | |
super.setEnabled (enabled); | |
} else { | |
if (isActive ()) setItemEnabled (OS.SC_CLOSE, enabled); | |
} | |
} | |
/** | |
* Sets the input method editor mode to the argument which | |
* should be the result of bitwise OR'ing together one or more | |
* of the following constants defined in class <code>SWT</code>: | |
* <code>NONE</code>, <code>ROMAN</code>, <code>DBCS</code>, | |
* <code>PHONETIC</code>, <code>NATIVE</code>, <code>ALPHA</code>. | |
* | |
* @param mode the new IME mode | |
* | |
* @exception SWTException <ul> | |
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
* </ul> | |
* | |
* @see SWT | |
*/ | |
public void setImeInputMode (int mode) { | |
checkWidget (); | |
if (!OS.IsDBLocale) return; | |
boolean imeOn = mode != SWT.NONE && mode != SWT.ROMAN; | |
int hIMC = OS.ImmGetContext (handle); | |
OS.ImmSetOpenStatus (hIMC, imeOn); | |
if (imeOn) { | |
int [] lpfdwConversion = new int [1], lpfdwSentence = new int [1]; | |
if (OS.ImmGetConversionStatus (hIMC, lpfdwConversion, lpfdwSentence)) { | |
int newBits = 0; | |
int oldBits = OS.IME_CMODE_NATIVE | OS.IME_CMODE_KATAKANA; | |
if ((mode & SWT.PHONETIC) != 0) { | |
newBits = OS.IME_CMODE_KATAKANA | OS.IME_CMODE_NATIVE; | |
oldBits = 0; | |
} else { | |
if ((mode & SWT.NATIVE) != 0) { | |
newBits = OS.IME_CMODE_NATIVE; | |
oldBits = OS.IME_CMODE_KATAKANA; | |
} | |
} | |
if ((mode & SWT.DBCS) != 0) { | |
newBits |= OS.IME_CMODE_FULLSHAPE; | |
} else { | |
oldBits |= OS.IME_CMODE_FULLSHAPE; | |
} | |
if ((mode & SWT.ROMAN) != 0) { | |
newBits |= OS.IME_CMODE_ROMAN; | |
} else { | |
oldBits |= OS.IME_CMODE_ROMAN; | |
} | |
lpfdwConversion [0] |= newBits; lpfdwConversion [0] &= ~oldBits; | |
OS.ImmSetConversionStatus (hIMC, lpfdwConversion [0], lpfdwSentence [0]); | |
} | |
} | |
OS.ImmReleaseContext (handle, hIMC); | |
} | |
void setItemEnabled (int cmd, boolean enabled) { | |
int hMenu = OS.GetSystemMenu (handle, false); | |
if (hMenu == 0) return; | |
int flags = OS.MF_ENABLED; | |
if (!enabled) flags = OS.MF_DISABLED | OS.MF_GRAYED; | |
OS.EnableMenuItem (hMenu, cmd, OS.MF_BYCOMMAND | flags); | |
} | |
void setParent () { | |
/* Do nothing. Not necessary for Shells */ | |
} | |
void setToolTipText (int hwnd, String text) { | |
if (OS.IsWinCE) return; | |
if (toolTipHandle == 0) { | |
toolTipHandle = OS.CreateWindowEx ( | |
0, | |
new TCHAR (0, OS.TOOLTIPS_CLASS, true), | |
null, | |
OS.TTS_ALWAYSTIP, | |
OS.CW_USEDEFAULT, 0, OS.CW_USEDEFAULT, 0, | |
handle, | |
0, | |
OS.GetModuleHandle (null), | |
null); | |
if (toolTipHandle == 0) error (SWT.ERROR_NO_HANDLES); | |
/* | |
* Feature in Windows. Despite the fact that the | |
* tool tip text contains \r\n, the tooltip will | |
* not honour the new line unless TTM_SETMAXTIPWIDTH | |
* is set. The fix is to set TTM_SETMAXTIPWIDTH to | |
* a large value. | |
*/ | |
OS.SendMessage (toolTipHandle, OS.TTM_SETMAXTIPWIDTH, 0, 0x7FFF); | |
} | |
TOOLINFO lpti = new TOOLINFO (); | |
lpti.cbSize = TOOLINFO.sizeof; | |
lpti.uId = hwnd; | |
lpti.hwnd = handle; | |
if (text == null) { | |
OS.SendMessage (toolTipHandle, OS.TTM_DELTOOL, 0, lpti); | |
} else { | |
lpti.uFlags = OS.TTF_IDISHWND | OS.TTF_SUBCLASS; | |
lpti.lpszText = OS.LPSTR_TEXTCALLBACK; | |
OS.SendMessage (toolTipHandle, OS.TTM_ADDTOOL, 0, lpti); | |
} | |
OS.SendMessage (toolTipHandle, OS.TTM_UPDATE, 0, 0); | |
} | |
void setToolTipText (NMTTDISPINFO lpnmtdi, byte [] buffer) { | |
/* | |
* Ensure that the current position of the mouse | |
* is inside the client area of the shell. This | |
* prevents tool tips from popping up over the | |
* shell trimmings. | |
*/ | |
if (!hasCursor ()) return; | |
int hHeap = OS.GetProcessHeap (); | |
if (lpstrTip != 0) OS.HeapFree (hHeap, 0, lpstrTip); | |
int byteCount = buffer.length; | |
lpstrTip = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount); | |
OS.MoveMemory (lpstrTip, buffer, byteCount); | |
lpnmtdi.lpszText = lpstrTip; | |
} | |
void setToolTipText (NMTTDISPINFO lpnmtdi, char [] buffer) { | |
/* | |
* Ensure that the current position of the mouse | |
* is inside the client area of the shell. This | |
* prevents tool tips from popping up over the | |
* shell trimmings. | |
*/ | |
if (!hasCursor ()) return; | |
int hHeap = OS.GetProcessHeap (); | |
if (lpstrTip != 0) OS.HeapFree (hHeap, 0, lpstrTip); | |
int byteCount = buffer.length * 2; | |
lpstrTip = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount); | |
OS.MoveMemory (lpstrTip, buffer, byteCount); | |
lpnmtdi.lpszText = lpstrTip; | |
} | |
public void setVisible (boolean visible) { | |
checkWidget (); | |
super.setVisible (visible); | |
if (showWithParent == visible) return; | |
showWithParent = visible; | |
if (!OS.IsWinCE) OS.ShowOwnedPopups (handle, visible); | |
int mask = SWT.PRIMARY_MODAL | SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL; | |
if ((style & mask) != 0) { | |
if (visible) { | |
display.setModalShell (this); | |
Control control = display.getFocusControl (); | |
if (control != null && !control.isActive ()) bringToTop (); | |
int hwndShell = OS.GetActiveWindow (); | |
if (hwndShell == 0) { | |
if (parent != null) hwndShell = parent.handle; | |
} | |
if (hwndShell != 0) { | |
OS.SendMessage (hwndShell, OS.WM_CANCELMODE, 0, 0); | |
} | |
OS.ReleaseCapture (); | |
} else { | |
display.clearModal (this); | |
} | |
} else { | |
updateModal (); | |
} | |
} | |
boolean traverseEscape () { | |
if (parent == null) return false; | |
if (!isVisible () || !isEnabled ()) return false; | |
close (); | |
return true; | |
} | |
void updateModal () { | |
if (!Display.TrimEnabled) { | |
super.setEnabled (isActive ()); | |
} else { | |
setItemEnabled (OS.SC_CLOSE, isActive ()); | |
} | |
} | |
int widgetExtStyle () { | |
int bits = super.widgetExtStyle (); | |
/* | |
* Bug in Windows 98 and NT. Creating a window with the | |
* WS_EX_TOPMOST extendes style can result in a dialog shell | |
* being moved behind its parent. The exact case where this | |
* happens is a shell with two dialog shell children where | |
* each dialog child has another hidden dialog child with | |
* the WS_EX_TOPMOST extended style. Clicking on either of | |
* the visible dialog causes them to become active but move | |
* to the back, behind the parent shell. The fix is to | |
* disallow the WS_EX_TOPMOST extended style on Windows 98 | |
* and NT. | |
*/ | |
if (OS.IsWin95) return bits; | |
if ((OS.WIN32_MAJOR << 16 | OS.WIN32_MINOR) < (4 << 16 | 10)) { | |
return bits; | |
} | |
if ((style & SWT.ON_TOP) != 0) bits |= OS.WS_EX_TOPMOST; | |
return bits; | |
} | |
TCHAR windowClass () { | |
if (OS.IsSP) return DialogClass; | |
return parent != null ? DialogClass : super.windowClass (); | |
} | |
int windowProc () { | |
if (OS.IsSP) return DialogProc; | |
return parent != null ? DialogProc : super.windowProc (); | |
} | |
int widgetStyle () { | |
int bits = super.widgetStyle () & ~OS.WS_POPUP; | |
if (handle != 0) return bits | OS.WS_CHILD; | |
bits &= ~OS.WS_CHILD; | |
/* | |
* Feature in WinCE. Calling CreateWindowEx () with WS_OVERLAPPED | |
* and a parent window causes the new window to become a WS_CHILD of | |
* the parent instead of a dialog child. The fix is to use WS_POPUP | |
* for a window with a parent. | |
* | |
* Feature in WinCE PPC. A window without a parent with WS_POPUP | |
* always shows on top of the Pocket PC 'Today Screen'. The fix | |
* is to not set WS_POPUP for a window without a parent on WinCE | |
* devices. | |
* | |
* NOTE: WS_POPUP causes CreateWindowEx () to ignore CW_USEDEFAULT | |
* and causes the default window location and size to be zero. | |
*/ | |
if (OS.IsWinCE) { | |
if (OS.IsSP) return bits | OS.WS_POPUP; | |
return parent == null ? bits : bits | OS.WS_POPUP; | |
} | |
/* | |
* Use WS_OVERLAPPED for all windows, either dialog or top level | |
* so that CreateWindowEx () will respect CW_USEDEFAULT and set | |
* the default window location and size. | |
* | |
* NOTE: When a WS_OVERLAPPED window is created, Windows gives | |
* the new window WS_CAPTION style bits. These two constants are | |
* as follows: | |
* | |
* WS_OVERLAPPED = 0 | |
* WS_CAPTION = WS_BORDER | WS_DLGFRAME | |
* | |
*/ | |
return bits | OS.WS_OVERLAPPED | OS.WS_CAPTION; | |
} | |
LRESULT WM_ACTIVATE (int wParam, int lParam) { | |
if (OS.IsPPC) { | |
/* | |
* Note: this does not work when we get WM_ACTIVATE prior | |
* to adding a listener. | |
*/ | |
if (hooks (SWT.HardKeyDown) || hooks (SWT.HardKeyUp)) { | |
int fActive = wParam & 0xFFFF; | |
int hwnd = fActive != 0 ? handle : 0; | |
for (int bVk=OS.VK_APP1; bVk<=OS.VK_APP6; bVk++) { | |
OS.SHSetAppKeyWndAssoc ((byte) bVk, hwnd); | |
} | |
} | |
/* Restore SIP state when window is activated */ | |
if ((wParam & 0xFFFF) != 0) { | |
OS.SHSipPreference (handle, psai.fSipUp == 0 ? OS.SIP_DOWN : OS.SIP_UP); | |
} | |
} | |
/* | |
* Bug in Windows XP. When a Shell is deactivated, the | |
* IME composition window does not go away. This causes | |
* repaint issues. The fix is to close the IME ourselves | |
* when the Shell is deactivated. | |
* | |
* Note. When the Shell is reactivated, the text in the | |
* composition window has been lost. | |
*/ | |
if ((OS.WIN32_MAJOR << 16 | OS.WIN32_MINOR) >= (5 << 16 | 1)) { | |
if ((wParam & 0xFFFF) == 0 && OS.IsDBLocale && hIMC != 0) { | |
OS.ImmSetOpenStatus (hIMC, false); | |
} | |
} | |
LRESULT result = super.WM_ACTIVATE (wParam, lParam); | |
if (parent != null) return LRESULT.ZERO; | |
return result; | |
} | |
LRESULT WM_CLOSE (int wParam, int lParam) { | |
if ((Display.TrimEnabled && !isEnabled ()) || !isActive ()) { | |
return LRESULT.ZERO; | |
} | |
return super.WM_CLOSE (wParam, lParam); | |
} | |
LRESULT WM_COMMAND (int wParam, int lParam) { | |
if (OS.IsPPC) { | |
/* | |
* Note in WinCE PPC: Close the Shell when the "Done Button" has | |
* been pressed. lParam is either 0 (PocketPC 2002) or the handle | |
* to the Shell (PocketPC). | |
*/ | |
int loWord = wParam & 0xFFFF; | |
if (loWord == OS.IDOK && (lParam == 0 || lParam == handle)) { | |
OS.PostMessage (handle, OS.WM_CLOSE, 0, 0); | |
return LRESULT.ZERO; | |
} | |
} | |
/* | |
* Note in WinCE PPC. Menu events originate from the command bar. | |
*/ | |
if (OS.IsPPC || OS.IsSP) { | |
if (menuBar != null) { | |
int hwndCB = menuBar.hwndCB; | |
if (hwndCB != 0 && lParam == hwndCB) { | |
return super.WM_COMMAND (wParam, 0); | |
} | |
} | |
} | |
return super.WM_COMMAND (wParam, lParam); | |
} | |
LRESULT WM_DESTROY (int wParam, int lParam) { | |
LRESULT result = super.WM_DESTROY (wParam, lParam); | |
/* | |
* When the shell is a WS_CHILD window of a non-SWT | |
* window, the destroy code does not get called because | |
* the non-SWT window does not call dispose (). Instead, | |
* the destroy code is called here in WM_DESTROY. | |
*/ | |
int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); | |
if ((bits & OS.WS_CHILD) != 0) { | |
releaseChild (); | |
releaseResources (); | |
} | |
return result; | |
} | |
LRESULT WM_MOUSEACTIVATE (int wParam, int lParam) { | |
LRESULT result = super.WM_MOUSEACTIVATE (wParam, lParam); | |
if (result != null) return result; | |
int hittest = lParam & 0xFFFF; | |
if (hittest == OS.HTMENU) return null; | |
/* | |
* Get the current location of the cursor, | |
* not the location of the cursor when the | |
* WM_MOUSEACTIVATE was generated. This is | |
* strictly incorrect but is necessary in | |
* order to support Activate and Deactivate | |
* events for embedded widgets that have | |
* their own event loop. In that case, the | |
* cursor location reported by GetMessagePos | |
* is the one for our event loop, not the | |
* embedded widget's event loop. | |
*/ | |
POINT pt = new POINT (); | |
if (!OS.GetCursorPos (pt)) { | |
int pos = OS.GetMessagePos (); | |
pt.x = (short) (pos & 0xFFFF); | |
pt.y = (short) (pos >> 16); | |
} | |
int hwnd = OS.WindowFromPoint (pt); | |
if (hwnd == 0) return null; | |
Control control = display.findControl (hwnd); | |
setActiveControl (control); | |
/* | |
* This code is intentionally commented. On some platforms, | |
* shells that are created with SWT.NO_TRIM won't take focus | |
* when the user clicks in the client area or on the border. | |
* This behavior is usedful when emulating tool tip shells | |
* Until this behavior is specified, this code will remain | |
* commented. | |
*/ | |
// if ((style & SWT.NO_TRIM) != 0) { | |
// if (hittest == OS.HTBORDER || hittest == OS.HTCLIENT) { | |
// return new LRESULT (OS.MA_NOACTIVATE); | |
// } | |
// } | |
return null; | |
} | |
LRESULT WM_NCHITTEST (int wParam, int lParam) { | |
if (!OS.IsWindowEnabled (handle)) return null; | |
if (!isEnabled () || !isActive ()) { | |
if (!Display.TrimEnabled) return new LRESULT (OS.HTNOWHERE); | |
int hittest = callWindowProc (OS.WM_NCHITTEST, wParam, lParam); | |
if (hittest == OS.HTCLIENT || hittest == OS.HTMENU) hittest = OS.HTBORDER; | |
return new LRESULT (hittest); | |
} | |
if (menuBar != null && !menuBar.getEnabled ()) { | |
int hittest = callWindowProc (OS.WM_NCHITTEST, wParam, lParam); | |
if (hittest == OS.HTMENU) hittest = OS.HTBORDER; | |
return new LRESULT (hittest); | |
} | |
return null; | |
} | |
LRESULT WM_PALETTECHANGED (int wParam, int lParam) { | |
if (wParam != handle) { | |
int hPalette = display.hPalette; | |
if (hPalette != 0) return selectPalette (hPalette); | |
} | |
return super.WM_PALETTECHANGED (wParam, lParam); | |
} | |
LRESULT WM_QUERYNEWPALETTE (int wParam, int lParam) { | |
int hPalette = display.hPalette; | |
if (hPalette != 0) return selectPalette (hPalette); | |
return super.WM_QUERYNEWPALETTE (wParam, lParam); | |
} | |
LRESULT WM_SETCURSOR (int wParam, int lParam) { | |
/* | |
* Feature in Windows. When the shell is disabled | |
* by a Windows standard dialog (like a MessageBox | |
* or FileDialog), clicking in the shell does not | |
* bring the shell or the dialog to the front. The | |
* fix is to detect this case and bring the shell | |
* forward. | |
*/ | |
int msg = lParam >> 16; | |
if (msg == OS.WM_LBUTTONDOWN) { | |
if (!Display.TrimEnabled) { | |
Shell modalShell = display.getModalShell (); | |
if (modalShell != null && !isActive ()) { | |
int hwndModal = modalShell.handle; | |
if (OS.IsWindowEnabled (hwndModal)) { | |
OS.SetActiveWindow (hwndModal); | |
} | |
} | |
} | |
if (!OS.IsWindowEnabled (handle)) { | |
if (!OS.IsWinCE) { | |
int hwndPopup = OS.GetLastActivePopup (handle); | |
if (hwndPopup != 0 && hwndPopup != handle) { | |
if (WidgetTable.get (hwndPopup) == null) { | |
if (OS.IsWindowEnabled (hwndPopup)) { | |
OS.SetActiveWindow (hwndPopup); | |
} | |
} | |
} | |
} | |
} | |
} | |
return super.WM_SETCURSOR (wParam, lParam); | |
} | |
LRESULT WM_SETTINGCHANGE (int wParam, int lParam) { | |
LRESULT result = super.WM_SETTINGCHANGE (wParam, lParam); | |
if (result != null) return result; | |
if (OS.IsPPC) { | |
if (wParam == OS.SPI_SETSIPINFO) { | |
/* | |
* The SIP is in a new state. Cache its new value. * Resize the Shell if it has the style SWT.RESIZE. | |
* Note that SHHandleWMSettingChange resizes the | |
* Shell and also updates the cached state. | |
*/ | |
if ((style & SWT.RESIZE) != 0) { | |
OS.SHHandleWMSettingChange (handle, wParam, lParam, psai); | |
return LRESULT.ZERO; | |
} else { | |
SIPINFO pSipInfo = new SIPINFO (); | |
pSipInfo.cbSize = SIPINFO.sizeof; | |
OS.SipGetInfo (pSipInfo); | |
psai.fSipUp = pSipInfo.fdwFlags & OS.SIPF_ON; | |
} | |
} | |
} | |
return result; | |
} | |
LRESULT WM_SHOWWINDOW (int wParam, int lParam) { | |
LRESULT result = super.WM_SHOWWINDOW (wParam, lParam); | |
if (result != null) return result; | |
/* | |
* Bug in Windows. If the shell is hidden while the parent | |
* is iconic, Windows shows the shell when the parent is | |
* deiconified. This does not happen if the shell is hidden | |
* while the parent is not an icon. The fix is to track | |
* visible state for the shell and refuse to show the shell | |
* when the parent is shown. | |
*/ | |
if (lParam == OS.SW_PARENTOPENING) { | |
Control control = this; | |
while (control != null) { | |
Shell shell = control.getShell (); | |
if (!shell.showWithParent) return LRESULT.ZERO; | |
control = control.parent; | |
} | |
} | |
return result; | |
} | |
} |