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/*******************************************************************************
* Copyright (c) 2000, 2017 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.widgets;
import org.eclipse.swt.*;
import org.eclipse.swt.events.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.internal.*;
import org.eclipse.swt.internal.cairo.*;
import org.eclipse.swt.internal.gtk.*;
/**
* 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
* Display as the argument) are described
* as top level shells. Instances that do have
* a parent are described as secondary or
* dialog shells.
*
* Instances are always displayed in one of the maximized,
* minimized or normal states:
*
*
* When an instance is marked as maximized, 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 RESIZE) until it is
* no longer maximized.
*
* When an instance is in the normal 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).
*
* When an instance has been marked as minimized,
* 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.
*
*
*
* The modality of an instance may be specified using
* style bits. The modality style bits are used to determine
* whether input is blocked for other shells on the display.
* The PRIMARY_MODAL style allows an instance to block
* input to its parent. The APPLICATION_MODAL style
* allows an instance to block input to every other shell in the
* display. The SYSTEM_MODAL style allows an instance
* to block input to all shells, including shells belonging to
* different applications.
*
* Note: The styles supported by this class are treated
* as HINTs, 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 PRIMARY_MODAL is not supported,
* it would be upgraded to APPLICATION_MODAL.
* A modality style may also be "downgraded" to a less
* restrictive style. For example, most operating systems
* no longer support SYSTEM_MODAL because
* it can freeze up the desktop, so this is typically
* downgraded to APPLICATION_MODAL.
*
* Class SWT provides two "convenience constants"
* for the most commonly required style combinations:
*
*
SHELL_TRIM
*
* the result of combining the constants which are required
* to produce a typical application top level shell: (that
* is, CLOSE | TITLE | MIN | MAX | RESIZE)
*
*
DIALOG_TRIM
*
* the result of combining the constants which are required
* to produce a typical application dialog shell: (that
* is, TITLE | CLOSE | BORDER)
*
*
*
*
* Note: Only one of the styles APPLICATION_MODAL, MODELESS,
* PRIMARY_MODAL and SYSTEM_MODAL may be specified.
*
* IMPORTANT: This class is not intended to be subclassed.
*
*
* @see Decorations
* @see SWT
* @see Shell snippets
* @see SWT Example: ControlExample
* @see Sample code and further information
* @noextend This class is not intended to be subclassed by clients.
*/
public class Shell extends Decorations {
long /*int*/ shellHandle, tooltipsHandle, tooltipWindow, group, modalGroup;
boolean mapped, moved, resized, opened, fullScreen, showWithParent, modified, center;
int oldX, oldY, oldWidth, oldHeight;
int minWidth, minHeight;
Control lastActive;
ToolTip [] toolTips;
boolean ignoreFocusOut;
Region originalRegion;
static final int MAXIMUM_TRIM = 128;
static final int BORDER = 3;
/**
* Constructs a new instance of this class. This is equivalent
* to calling Shell((Display) null).
*
* @exception SWTException
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
*
ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
*
*/
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 Shell((Display) null, style).
*
* The style value is either one of the style constants defined in
* class SWT which is applicable to instances of this
* class, or must be built by bitwise OR'ing together
* (that is, using the int "|" operator) two or more
* of those SWT style constants. The class description
* lists the style constants that are applicable to the class.
* Style bits are also inherited from superclasses.
*
*
* @param style the style of control to construct
*
* @exception SWTException
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
*
ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
*
*
* @see SWT#BORDER
* @see SWT#CLOSE
* @see SWT#MIN
* @see SWT#MAX
* @see SWT#RESIZE
* @see SWT#TITLE
* @see SWT#TOOL
* @see SWT#NO_TRIM
* @see SWT#NO_MOVE
* @see SWT#SHELL_TRIM
* @see SWT#DIALOG_TRIM
* @see SWT#ON_TOP
* @see SWT#MODELESS
* @see SWT#PRIMARY_MODAL
* @see SWT#APPLICATION_MODAL
* @see SWT#SYSTEM_MODAL
* @see SWT#SHEET
*/
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 SWT.SHELL_TRIM.
*
* 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. 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.
*
*
* @param display the display to create the shell on
*
* @exception SWTException
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
*
ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
*
*/
public Shell (Display display) {
this (display, 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.
*
* The style value is either one of the style constants defined in
* class SWT which is applicable to instances of this
* class, or must be built by bitwise OR'ing together
* (that is, using the int "|" operator) two or more
* of those SWT style constants. The class description
* lists the style constants that are applicable to the class.
* Style bits are also inherited from superclasses.
*
* 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. 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.
*
*
* @param display the display to create the shell on
* @param style the style of control to construct
*
* @exception SWTException
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
*
ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
*
*
* @see SWT#BORDER
* @see SWT#CLOSE
* @see SWT#MIN
* @see SWT#MAX
* @see SWT#RESIZE
* @see SWT#TITLE
* @see SWT#TOOL
* @see SWT#NO_TRIM
* @see SWT#NO_MOVE
* @see SWT#SHELL_TRIM
* @see SWT#DIALOG_TRIM
* @see SWT#ON_TOP
* @see SWT#MODELESS
* @see SWT#PRIMARY_MODAL
* @see SWT#APPLICATION_MODAL
* @see SWT#SYSTEM_MODAL
* @see SWT#SHEET
*/
public Shell (Display display, int style) {
this (display, null, style, 0, false);
}
Shell (Display display, Shell parent, int style, long /*int*/ handle, boolean embedded) {
super ();
checkSubclass ();
if (display == null) display = Display.getCurrent ();
if (display == null) display = Display.getDefault ();
if (!display.isValidThread ()) {
error (SWT.ERROR_THREAD_INVALID_ACCESS);
}
if (parent != null && parent.isDisposed ()) {
error (SWT.ERROR_INVALID_ARGUMENT);
}
this.center = parent != null && (style & SWT.SHEET) != 0;
this.style = checkStyle (parent, style);
this.parent = parent;
this.display = display;
if (handle != 0) {
if (embedded) {
this.handle = handle;
} else {
shellHandle = handle;
state |= FOREIGN_HANDLE;
}
}
reskinWidget();
createWidget (0);
}
/**
* Constructs a new instance of this class given only its
* parent. It is created with style SWT.DIALOG_TRIM.
*
* 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. 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.
*
*
* @param parent a shell which will be the parent of the new instance
*
* @exception IllegalArgumentException
*
ERROR_INVALID_ARGUMENT - if the parent is disposed
*
* @exception SWTException
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
*
ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
*
*/
public Shell (Shell parent) {
this (parent, SWT.DIALOG_TRIM);
}
/**
* Constructs a new instance of this class given its parent
* and a style value describing its behavior and appearance.
*
* The style value is either one of the style constants defined in
* class SWT which is applicable to instances of this
* class, or must be built by bitwise OR'ing together
* (that is, using the int "|" operator) two or more
* of those SWT style constants. The class description
* lists the style constants that are applicable to the class.
* Style bits are also inherited from superclasses.
*
* 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. 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.
*
*
* @param parent a shell which will be the parent of the new instance
* @param style the style of control to construct
*
* @exception IllegalArgumentException
*
ERROR_INVALID_ARGUMENT - if the parent is disposed
*
* @exception SWTException
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
*
ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
*
*
* @see SWT#BORDER
* @see SWT#CLOSE
* @see SWT#MIN
* @see SWT#MAX
* @see SWT#RESIZE
* @see SWT#TITLE
* @see SWT#NO_TRIM
* @see SWT#NO_MOVE
* @see SWT#SHELL_TRIM
* @see SWT#DIALOG_TRIM
* @see SWT#ON_TOP
* @see SWT#TOOL
* @see SWT#MODELESS
* @see SWT#PRIMARY_MODAL
* @see SWT#APPLICATION_MODAL
* @see SWT#SYSTEM_MODAL
* @see SWT#SHEET
*/
public Shell (Shell parent, int style) {
this (parent != null ? parent.display : null, parent, style, 0, false);
}
/**
* Invokes platform specific functionality to allocate a new shell
* that is embedded.
*
* IMPORTANT: This method is not part of the public
* API for Shell. 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.
*
*
* @param display the display for the shell
* @param handle the handle for the shell
* @return a new shell object containing the specified display and handle
*
* @noreference This method is not intended to be referenced by clients.
*/
public static Shell gtk_new (Display display, long /*int*/ handle) {
return new Shell (display, null, SWT.NO_TRIM, handle, true);
}
/**
* Invokes platform specific functionality to allocate a new shell
* that is not embedded.
*
* IMPORTANT: This method is not part of the public
* API for Shell. 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.
*
*
* @param display the display for the shell
* @param handle the handle for the shell
* @return a new shell object containing the specified display and handle
*
* @noreference This method is not intended to be referenced by clients.
*
* @since 3.3
*/
public static Shell internal_new (Display display, long /*int*/ handle) {
return new Shell (display, null, SWT.NO_TRIM, handle, false);
}
static int checkStyle (Shell parent, int style) {
style = Decorations.checkStyle (style);
style &= ~SWT.TRANSPARENT;
if ((style & SWT.ON_TOP) != 0) style &= ~(SWT.CLOSE | SWT.TITLE | SWT.MIN | SWT.MAX);
int mask = SWT.SYSTEM_MODAL | SWT.APPLICATION_MODAL | SWT.PRIMARY_MODAL;
if ((style & SWT.SHEET) != 0) {
style &= ~SWT.SHEET;
style |= parent == null ? SWT.SHELL_TRIM : SWT.DIALOG_TRIM;
if ((style & mask) == 0) {
style |= parent == null ? 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
* ShellListener interface.
*
* @param listener the listener which should be notified
*
* @exception IllegalArgumentException
*
ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @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);
}
void addToolTip (ToolTip toolTip) {
if (toolTips == null) toolTips = new ToolTip [4];
for (int i=0; i MAXIMUM_TRIM || trimHeight > MAXIMUM_TRIM) {
display.ignoreTrim = true;
return;
}
boolean hasTitle = false, hasResize = false, hasBorder = false;
if ((style & SWT.NO_TRIM) == 0) {
hasTitle = (style & (SWT.MIN | SWT.MAX | SWT.TITLE | SWT.MENU)) != 0;
hasResize = (style & SWT.RESIZE) != 0;
hasBorder = (style & SWT.BORDER) != 0;
}
int trimStyle;
if (hasTitle) {
if (hasResize) {
trimStyle = Display.TRIM_TITLE_RESIZE;
} else if (hasBorder) {
trimStyle = Display.TRIM_TITLE_BORDER;
} else {
trimStyle = Display.TRIM_TITLE;
}
} else if (hasResize) {
trimStyle = Display.TRIM_RESIZE;
} else if (hasBorder) {
trimStyle = Display.TRIM_BORDER;
} else {
trimStyle = Display.TRIM_NONE;
}
if (OS.GTK3) {
/*
* The workaround for bug 445900 seems to cause problems for some
* users on GTK2, see bug 492695. The fix is to only adjust the
* shell size on GTK3.
*/
Rectangle bounds = getBoundsInPixels();
int widthAdjustment = display.trimWidths[trimStyle] - trimWidth;
int heightAdjustment = display.trimHeights[trimStyle] - trimHeight;
if (widthAdjustment == 0 && heightAdjustment == 0) return;
bounds.width += widthAdjustment;
bounds.height += heightAdjustment;
oldWidth += widthAdjustment;
oldHeight += heightAdjustment;
if (!getMaximized()) {
resizeBounds (width + widthAdjustment, height + heightAdjustment, false);
}
}
display.trimWidths[trimStyle] = trimWidth;
display.trimHeights[trimStyle] = trimHeight;
}
void bringToTop (boolean force) {
if (!OS.gtk_widget_get_visible (shellHandle)) return;
Display display = this.display;
Shell activeShell = display.activeShell;
if (activeShell == this) return;
if (!force) {
if (activeShell == null) return;
if (!display.activePending) {
long /*int*/ focusHandle = OS.gtk_window_get_focus (activeShell.shellHandle);
if (focusHandle != 0 && !OS.gtk_widget_has_focus (focusHandle)) return;
}
}
/*
* Bug in GTK. When a shell that is not managed by the window
* manage is given focus, GTK gets stuck in "focus follows pointer"
* mode when the pointer is within the shell and its parent when
* the shell is hidden or disposed. The fix is to use XSetInputFocus()
* to assign focus when ever the active shell has not managed by
* the window manager.
*
* NOTE: This bug is fixed in GTK+ 2.6.8 and above.
*/
boolean xFocus = false;
if (activeShell != null) {
display.activeShell = null;
display.activePending = true;
}
/*
* Feature in GTK. When the shell is an override redirect
* window, gdk_window_focus() does not give focus to the
* window. The fix is to use XSetInputFocus() to force
* the focus.
*/
long /*int*/ window = gtk_widget_get_window (shellHandle);
if ((xFocus || (style & SWT.ON_TOP) != 0)) {
if (OS.isX11()) {
long /*int*/ xDisplay;
if (OS.GTK_VERSION >= OS.VERSION(2, 24, 0)) {
xDisplay = OS.gdk_x11_display_get_xdisplay(OS.gdk_window_get_display(window));
} else {
xDisplay = OS.gdk_x11_drawable_get_xdisplay (window);
}
long /*int*/ xWindow;
if (OS.GTK3) {
xWindow = OS.gdk_x11_window_get_xid (window);
} else {
xWindow = OS.gdk_x11_drawable_get_xid (window);
}
OS.gdk_error_trap_push ();
/* Use CurrentTime instead of the last event time to ensure that the shell becomes active */
OS.XSetInputFocus (xDisplay, xWindow, OS.RevertToParent, OS.CurrentTime);
OS.gdk_error_trap_pop ();
} else {
// TODO find the proper fix as this doesn't seem to have effect
// OS.gtk_window_present(window);
}
} else {
/*
* Bug in metacity. Calling gdk_window_focus() with a timestamp more
* recent than the last user interaction time can cause windows not
* to come forward in versions > 2.10.0. The fix is to use the last
* user event time.
*/
if (display.windowManager.toLowerCase ().equals ("metacity")) {
OS.gdk_window_focus (window, display.lastUserEventTime);
} else {
OS.gdk_window_focus (window, OS.GDK_CURRENT_TIME);
}
}
display.activeShell = this;
display.activePending = true;
}
void center () {
if (parent == null) return;
Rectangle rect = getBoundsInPixels ();
Rectangle parentRect = display.mapInPixels (parent, null, parent.getClientAreaInPixels());
int x = Math.max (parentRect.x, parentRect.x + (parentRect.width - rect.width) / 2);
int y = Math.max (parentRect.y, parentRect.y + (parentRect.height - rect.height) / 2);
Rectangle monitorRect = DPIUtil.autoScaleUp(parent.getMonitor ().getClientArea());
if (x + rect.width > monitorRect.x + monitorRect.width) {
x = Math.max (monitorRect.x, monitorRect.x + monitorRect.width - rect.width);
} else {
x = Math.max (x, monitorRect.x);
}
if (y + rect.height > monitorRect.y + monitorRect.height) {
y = Math.max (monitorRect.y, monitorRect.y + monitorRect.height - rect.height);
} else {
y = Math.max (y, monitorRect.y);
}
setLocationInPixels (x, y);
}
@Override
void checkBorder () {
/* Do nothing */
}
@Override
void checkOpen () {
if (!opened) resized = false;
}
@Override
long /*int*/ childStyle () {
return 0;
}
/**
* 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
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see SWT#Close
* @see #dispose
*/
public void close () {
checkWidget ();
closeWidget ();
}
void closeWidget () {
Event event = new Event ();
sendEvent (SWT.Close, event);
if (event.doit && !isDisposed ()) dispose ();
}
@Override
Rectangle computeTrimInPixels (int x, int y, int width, int height) {
checkWidget();
Rectangle trim = super.computeTrimInPixels (x, y, width, height);
int border = 0;
if ((style & (SWT.NO_TRIM | SWT.BORDER | SWT.SHELL_TRIM)) == 0) {
border = OS.gtk_container_get_border_width (shellHandle);
}
if (isCustomResize ()) {
border = OS.gtk_container_get_border_width (shellHandle);
}
int trimWidth = trimWidth (), trimHeight = trimHeight ();
trim.x -= (trimWidth / 2) + border;
trim.y -= trimHeight - (trimWidth / 2) + border;
trim.width += trimWidth + border * 2;
trim.height += trimHeight + border * 2;
if (menuBar != null) {
forceResize ();
GtkAllocation allocation = new GtkAllocation ();
OS.gtk_widget_get_allocation (menuBar.handle, allocation);
int menuBarHeight = allocation.height;
trim.y -= menuBarHeight;
trim.height += menuBarHeight;
}
return trim;
}
@Override
void createHandle (int index) {
state |= HANDLE | CANVAS;
if (shellHandle == 0) {
if (handle == 0) {
int type = OS.GTK_WINDOW_TOPLEVEL;
if ((style & SWT.ON_TOP) != 0) type = OS.GTK_WINDOW_POPUP;
shellHandle = OS.gtk_window_new (type);
} else {
shellHandle = OS.gtk_plug_new (handle);
}
if (shellHandle == 0) error (SWT.ERROR_NO_HANDLES);
if (parent != null) {
OS.gtk_window_set_transient_for (shellHandle, parent.topHandle ());
OS.gtk_window_set_destroy_with_parent (shellHandle, true);
// if child shells are minimizable, we want them to have a
// taskbar icon, so they can be unminimized
if ((style & SWT.MIN) == 0) {
OS.gtk_window_set_skip_taskbar_hint(shellHandle, true);
}
/*
* For systems running Metacity, by applying the dialog type hint
* to a window only the close button can be placed on the title bar.
* The style hints for the minimize and maximize buttons are ignored.
* See bug 445456.
*
*/
// if (!isUndecorated ()) {
// OS.gtk_window_set_type_hint (shellHandle, OS.GDK_WINDOW_TYPE_HINT_DIALOG);
// }
}
/*
* Feature in GTK. The window size must be set when the window
* is created or it will not be allowed to be resized smaller that the
* initial size by the user. The fix is to set the size to zero.
*/
if ((style & SWT.RESIZE) != 0) {
OS.gtk_widget_set_size_request (shellHandle, 0, 0);
OS.gtk_window_set_resizable (shellHandle, true);
} else {
OS.gtk_window_set_resizable (shellHandle, false);
}
OS.gtk_window_set_title (shellHandle, new byte [1]);
if ((style & (SWT.NO_TRIM | SWT.BORDER | SWT.SHELL_TRIM)) == 0) {
OS.gtk_container_set_border_width (shellHandle, 1);
if (OS.GTK3) {
if (OS.GTK_VERSION < OS.VERSION (3, 16, 0)) {
OS.gtk_widget_override_background_color (shellHandle, OS.GTK_STATE_FLAG_NORMAL, new GdkRGBA());
}
} else {
GdkColor color = new GdkColor ();
OS.gtk_style_get_black (OS.gtk_widget_get_style (shellHandle), color);
OS.gtk_widget_modify_bg (shellHandle, OS.GTK_STATE_NORMAL, color);
}
}
if (isCustomResize ()) {
OS.gtk_container_set_border_width (shellHandle, BORDER);
}
}
vboxHandle = gtk_box_new (OS.GTK_ORIENTATION_VERTICAL, false, 0);
if (vboxHandle == 0) error (SWT.ERROR_NO_HANDLES);
createHandle (index, false, true);
OS.gtk_container_add (vboxHandle, scrolledHandle);
OS.gtk_box_set_child_packing (vboxHandle, scrolledHandle, true, true, 0, OS.GTK_PACK_END);
group = OS.gtk_window_group_new ();
if (group == 0) error (SWT.ERROR_NO_HANDLES);
/*
* Feature in GTK. Realizing the shell triggers a size allocate event,
* which may be confused for a resize event from the window manager if
* received too late. The fix is to realize the window during creation
* to avoid confusion.
*/
OS.gtk_widget_realize (shellHandle);
}
@Override
long /*int*/ filterProc (long /*int*/ xEvent, long /*int*/ gdkEvent, long /*int*/ data2) {
int eventType = OS.X_EVENT_TYPE (xEvent);
if (eventType != OS.FocusOut && eventType != OS.FocusIn) return 0;
XFocusChangeEvent xFocusEvent = new XFocusChangeEvent();
OS.memmove (xFocusEvent, xEvent, XFocusChangeEvent.sizeof);
switch (eventType) {
case OS.FocusIn:
if (xFocusEvent.mode == OS.NotifyNormal || xFocusEvent.mode == OS.NotifyWhileGrabbed) {
switch (xFocusEvent.detail) {
case OS.NotifyNonlinear:
case OS.NotifyNonlinearVirtual:
case OS.NotifyAncestor:
display.activeShell = this;
display.activePending = false;
sendEvent (SWT.Activate);
if (isDisposed ()) return 0;
if (isCustomResize ()) {
OS.gdk_window_invalidate_rect (gtk_widget_get_window (shellHandle), null, false);
}
break;
}
}
break;
case OS.FocusOut:
if (xFocusEvent.mode == OS.NotifyNormal || xFocusEvent.mode == OS.NotifyWhileGrabbed) {
switch (xFocusEvent.detail) {
case OS.NotifyNonlinear:
case OS.NotifyNonlinearVirtual:
case OS.NotifyVirtual:
Display display = this.display;
sendEvent (SWT.Deactivate);
setActiveControl (null);
if (display.activeShell == this) {
display.activeShell = null;
display.activePending = false;
}
if (isDisposed ()) return 0;
if (isCustomResize ()) {
OS.gdk_window_invalidate_rect (gtk_widget_get_window (shellHandle), null, false);
}
break;
}
}
break;
}
return 0;
}
@Override
Control findBackgroundControl () {
return (state & BACKGROUND) != 0 || backgroundImage != null ? this : null;
}
@Override
Composite findDeferredControl () {
return layoutCount > 0 ? this : null;
}
/**
* Returns a ToolBar object representing the tool bar that can be shown in the receiver's
* trim. This will return null if the platform does not support tool bars that
* are not part of the content area of the shell, or if the Shell's style does not support
* having a tool bar.
*
*
* @return a ToolBar object representing the Shell's tool bar, or null
.
*
* @exception SWTException
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.4
*/
public int getAlpha () {
checkWidget ();
if (OS.gtk_widget_is_composited (shellHandle)) {
return (int) (OS.gtk_window_get_opacity (shellHandle) * 255);
}
return 255;
}
int getResizeMode (double x, double y) {
GtkAllocation allocation = new GtkAllocation ();
OS.gtk_widget_get_allocation (shellHandle, allocation);
int width = allocation.width;
int height = allocation.height;
int border = OS.gtk_container_get_border_width (shellHandle);
int mode = 0;
if (y >= height - border) {
mode = OS.GDK_BOTTOM_SIDE ;
if (x >= width - border - 16) mode = OS.GDK_BOTTOM_RIGHT_CORNER;
else if (x <= border + 16) mode = OS.GDK_BOTTOM_LEFT_CORNER;
} else if (x >= width - border) {
mode = OS.GDK_RIGHT_SIDE;
if (y >= height - border - 16) mode = OS.GDK_BOTTOM_RIGHT_CORNER;
else if (y <= border + 16) mode = OS.GDK_TOP_RIGHT_CORNER;
} else if (y <= border) {
mode = OS.GDK_TOP_SIDE;
if (x <= border + 16) mode = OS.GDK_TOP_LEFT_CORNER;
else if (x >= width - border - 16) mode = OS.GDK_TOP_RIGHT_CORNER;
} else if (x <= border) {
mode = OS.GDK_LEFT_SIDE;
if (y <= border + 16) mode = OS.GDK_TOP_LEFT_CORNER;
else if (y >= height - border - 16) mode = OS.GDK_BOTTOM_LEFT_CORNER;
}
return mode;
}
/**
* Returns true if the receiver is currently
* in fullscreen state, and false otherwise.
*
*
* @return the fullscreen state
*
* @exception SWTException
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.4
*/
public boolean getFullScreen () {
checkWidget();
return fullScreen;
}
@Override
Point getLocationInPixels () {
checkWidget ();
int [] x = new int [1], y = new int [1];
OS.gtk_window_get_position (shellHandle, x,y);
return new Point (x [0], y [0]);
}
@Override
public boolean getMaximized () {
checkWidget();
return !fullScreen && super.getMaximized ();
}
/**
* Returns a point describing the minimum receiver's size. The
* x coordinate of the result is the minimum width of the receiver.
* The y coordinate of the result is the minimum height of the
* receiver.
*
* @return the receiver's size
*
* @exception SWTException
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*/
public Point getMinimumSize () {
checkWidget ();
return DPIUtil.autoScaleDown (getMinimumSizeInPixels ());
}
Point getMinimumSizeInPixels () {
checkWidget ();
int width = Math.max (1, minWidth + trimWidth ());
int height = Math.max (1, minHeight + trimHeight ());
return new Point (width, height);
}
Shell getModalShell () {
Shell shell = null;
Shell [] modalShells = display.modalShells;
if (modalShells != null) {
int bits = SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL;
int index = modalShells.length;
while (--index >= 0) {
Shell modal = modalShells [index];
if (modal != null) {
if ((modal.style & bits) != 0) {
Control control = this;
while (control != null) {
if (control == modal) break;
control = control.parent;
}
if (control != modal) return modal;
break;
}
if ((modal.style & SWT.PRIMARY_MODAL) != 0) {
if (shell == null) shell = getShell ();
if (modal.parent == shell) return modal;
}
}
}
}
return null;
}
/**
* Gets the receiver's modified state.
*
* @return true if the receiver is marked as modified, or false otherwise
*
* @exception SWTException
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.5
*/
public boolean getModified () {
checkWidget ();
return modified;
}
@Override
Point getSizeInPixels () {
checkWidget ();
GtkAllocation allocation = new GtkAllocation ();
OS.gtk_widget_get_allocation (vboxHandle, allocation);
int width = allocation.width;
int height = allocation.height;
int border = 0;
if ((style & (SWT.NO_TRIM | SWT.BORDER | SWT.SHELL_TRIM)) == 0) {
border = OS.gtk_container_get_border_width (shellHandle);
}
return new Point (width + trimWidth () + 2*border, height + trimHeight () + 2*border);
}
@Override
public boolean getVisible () {
checkWidget();
return OS.gtk_widget_get_visible (shellHandle);
}
/**
* Returns the region that defines the shape of the shell,
* or null if the shell has the default shape.
*
* @return the region that defines the shape of the shell, or null
*
* @exception SWTException
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.0
*
*/
@Override
public Region getRegion () {
/* This method is needed for @since 3.0 Javadoc */
checkWidget ();
if (originalRegion != null) return originalRegion;
return region;
}
/**
* 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
* SWT:
* NONE, ROMAN, DBCS,
* PHONETIC, NATIVE, ALPHA.
*
* @return the IME mode
*
* @exception SWTException
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see SWT
*/
public int getImeInputMode () {
checkWidget();
return SWT.NONE;
}
@Override
Shell _getShell () {
return this;
}
/**
* Returns an array containing all shells which are
* descendants of the receiver.
*
* @return the dialog shells
*
* @exception SWTException
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public Shell [] getShells () {
checkWidget();
int count = 0;
Shell [] shells = display.getShells ();
for (int i=0; i= OS.VERSION(3, 6, 0)) {
int[] widthA = new int [1];
int[] heightA = new int [1];
OS.gtk_window_get_size(shellHandle, widthA, heightA);
width = widthA[0];
height = heightA[0];
} else {
GtkAllocation widgetAllocation = new GtkAllocation ();
OS.gtk_widget_get_allocation (shellHandle, widgetAllocation);
width = widgetAllocation.width;
height = widgetAllocation.height;
}
// Bug 474235: on Wayland gtk_size_allocate() is called more frequently, causing an
// infinitely recursive resize call. This causes non-resizable Shells/Dialogs to
// crash. Fix: only call resizeBounds() on resizable Shells.
if ((!resized || oldWidth != width || oldHeight != height)
&& (OS.GTK3 && !OS.isX11() ? ((style & SWT.RESIZE) != 0) : true)) { //Wayland
oldWidth = width;
oldHeight = height;
resizeBounds (width, height, true); //this is called to resize child widgets when the shell is resized.
}
return 0;
}
@Override
long /*int*/ gtk_realize (long /*int*/ widget) {
long /*int*/ result = super.gtk_realize (widget);
long /*int*/ window = gtk_widget_get_window (shellHandle);
if ((style & SWT.SHELL_TRIM) != SWT.SHELL_TRIM) {
int decorations = 0;
int functions = 0;
if ((style & SWT.NO_TRIM) == 0) {
if ((style & SWT.MIN) != 0) {
decorations |= OS.GDK_DECOR_MINIMIZE;
functions |= OS.GDK_FUNC_MINIMIZE;
}
if ((style & SWT.MAX) != 0) {
decorations |= OS.GDK_DECOR_MAXIMIZE;
functions |= OS.GDK_FUNC_MAXIMIZE;
}
if ((style & SWT.RESIZE) != 0) {
decorations |= OS.GDK_DECOR_RESIZEH;
functions |= OS.GDK_FUNC_RESIZE;
}
if ((style & SWT.BORDER) != 0) decorations |= OS.GDK_DECOR_BORDER;
if ((style & SWT.MENU) != 0) decorations |= OS.GDK_DECOR_MENU;
if ((style & SWT.TITLE) != 0) decorations |= OS.GDK_DECOR_TITLE;
if ((style & SWT.CLOSE) != 0) functions |= OS.GDK_FUNC_CLOSE;
/*
* Feature in GTK. Under some Window Managers (Sawmill), in order
* to get any border at all from the window manager it is necessary to
* set GDK_DECOR_BORDER. The fix is to force these bits when any
* kind of border is requested.
*/
if ((style & SWT.RESIZE) != 0) decorations |= OS.GDK_DECOR_BORDER;
if ((style & SWT.NO_MOVE) == 0) functions |= OS.GDK_FUNC_MOVE;
}
OS.gdk_window_set_decorations (window, decorations);
/*
* For systems running Metacity, this call forces the style hints to
* be displayed in a window's titlebar. Otherwise, the decorations
* set by the function gdk_window_set_decorations (window,
* decorations) are ignored by the window manager.
*/
OS.gdk_window_set_functions(window, functions);
} else if ((style & SWT.NO_MOVE) != 0) {
// if the GDK_FUNC_ALL bit is present, all the other style
// bits specified as a parameter will be removed from the window
OS.gdk_window_set_functions (window, OS.GDK_FUNC_ALL | OS.GDK_FUNC_MOVE);
}
if ((style & SWT.ON_TOP) != 0) {
OS.gdk_window_set_override_redirect (window, true);
}
return result;
}
@Override
long /*int*/ gtk_window_state_event (long /*int*/ widget, long /*int*/ event) {
GdkEventWindowState gdkEvent = new GdkEventWindowState ();
OS.memmove (gdkEvent, event, GdkEventWindowState.sizeof);
minimized = (gdkEvent.new_window_state & OS.GDK_WINDOW_STATE_ICONIFIED) != 0;
maximized = (gdkEvent.new_window_state & OS.GDK_WINDOW_STATE_MAXIMIZED) != 0;
fullScreen = (gdkEvent.new_window_state & OS.GDK_WINDOW_STATE_FULLSCREEN) != 0;
if ((gdkEvent.changed_mask & OS.GDK_WINDOW_STATE_ICONIFIED) != 0) {
if (minimized) {
sendEvent (SWT.Iconify);
} else {
sendEvent (SWT.Deiconify);
}
updateMinimized (minimized);
}
return 0;
}
/**
* 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,
* sets the focus and asks the window manager to make the
* shell active.
*
* @exception SWTException
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see Control#moveAbove
* @see Control#setFocus
* @see Control#setVisible
* @see Display#getActiveShell
* @see Decorations#setDefaultButton(Button)
* @see Shell#setActive
* @see Shell#forceActive
*/
public void open () {
checkWidget ();
bringToTop (false);
if (Shell.class.isInstance(getParent()) && !getParent().isVisible())
Shell.class.cast(getParent()).open();
setVisible (true);
if (isDisposed ()) return;
/*
* When no widget has been given focus, or another push button has focus,
* give focus to the default button. This avoids overriding the default
* button.
*/
boolean restored = restoreFocus ();
if (!restored) {
restored = traverseGroup (true);
}
if (restored) {
Control focusControl = display.getFocusControl ();
if (focusControl instanceof Button && (focusControl.style & SWT.PUSH) != 0) {
restored = false;
}
}
if (!restored) {
if (defaultButton != null && !defaultButton.isDisposed ()) {
defaultButton.setFocus ();
} else {
setFocus ();
}
}
}
@Override
public boolean print (GC gc) {
checkWidget ();
if (gc == null) error (SWT.ERROR_NULL_ARGUMENT);
if (gc.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT);
return false;
}
/**
* 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
*
ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @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);
}
void removeTooTip (ToolTip toolTip) {
if (toolTips == null) return;
for (int i=0; i
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 2.0
* @see Control#moveAbove
* @see Control#setFocus
* @see Control#setVisible
* @see Display#getActiveShell
* @see Decorations#setDefaultButton(Button)
* @see Shell#open
* @see Shell#setActive
*/
public void setActive () {
checkWidget ();
bringToTop (false);
}
void setActiveControl (Control control) {
setActiveControl (control, SWT.None);
}
void setActiveControl (Control control, int type) {
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 ()) {
Event event = new Event ();
event.detail = type;
activate [i].sendEvent (SWT.Activate, event);
}
}
}
/**
* Sets the receiver's alpha value which must be
* between 0 (transparent) and 255 (opaque).
*
* This operation requires the operating system's advanced
* widgets subsystem which may not be available on some
* platforms.
*
* @param alpha the alpha value
*
* @exception SWTException
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.4
*/
public void setAlpha (int alpha) {
checkWidget ();
if (OS.gtk_widget_is_composited (shellHandle)) {
alpha &= 0xFF;
OS.gtk_window_set_opacity (shellHandle, alpha / 255f);
}
}
void resizeBounds (int width, int height, boolean notify) {
if (redrawWindow != 0) {
OS.gdk_window_resize (redrawWindow, width, height);
}
if (enableWindow != 0) {
OS.gdk_window_resize (enableWindow, width, height);
}
int border = OS.gtk_container_get_border_width (shellHandle);
int boxWidth = width - 2*border;
int boxHeight = height - 2*border;
if (!OS.GTK3 || (style & SWT.RESIZE) == 0) {
OS.gtk_widget_set_size_request (vboxHandle, boxWidth, boxHeight);
}
forceResize (boxWidth, boxHeight);
if (notify) {
resized = true;
sendEvent (SWT.Resize);
if (isDisposed ()) return;
if (layout != null) {
markLayout (false, false);
updateLayout (false);
}
}
}
@Override
int setBounds (int x, int y, int width, int height, boolean move, boolean resize) {
// bug in GTK2 crashes JVM, in GTK3 the new shell only. See bug 472743
width = Math.min(width, (2 << 14) - 1);
height = Math.min(height, (2 << 14) - 1);
if (fullScreen) setFullScreen (false);
/*
* Bug in GTK. When either of the location or size of
* a shell is changed while the shell is maximized, the
* shell is moved to (0, 0). The fix is to explicitly
* unmaximize the shell before setting the bounds to
* anything different from the current bounds.
*/
if (getMaximized ()) {
Rectangle rect = getBoundsInPixels ();
boolean sameOrigin = !move || (rect.x == x && rect.y == y);
boolean sameExtent = !resize || (rect.width == width && rect.height == height);
if (sameOrigin && sameExtent) return 0;
setMaximized (false);
}
int result = 0;
if (move) {
int [] x_pos = new int [1], y_pos = new int [1];
OS.gtk_window_get_position (shellHandle, x_pos, y_pos);
OS.gtk_window_move (shellHandle, x, y);
/*
* Bug in GTK: gtk_window_get_position () is not always up-to-date right after
* gtk_window_move (). The random delays cause problems like bug 445900.
*
* The workaround is to wait for the position change to be processed.
* The limit 1000 is an experimental value. I've seen cases where about 200
* iterations were necessary.
*/
for (int i = 0; i < 1000; i++) {
int [] x2_pos = new int [1], y2_pos = new int [1];
OS.gtk_window_get_position (shellHandle, x2_pos, y2_pos);
if (x2_pos[0] == x && y2_pos[0] == y) {
break;
}
}
if (x_pos [0] != x || y_pos [0] != y) {
moved = true;
oldX = x;
oldY = y;
sendEvent (SWT.Move);
if (isDisposed ()) return 0;
result |= MOVED;
}
}
if (resize) {
width = Math.max (1, Math.max (minWidth, width - trimWidth ()));
height = Math.max (1, Math.max (minHeight, height - trimHeight ()));
/*
* If the shell is created without a RESIZE style bit, and the
* minWidth/minHeight has been set, allow the resize.
*/
if ((style & SWT.RESIZE) != 0 || (minHeight != 0 || minWidth != 0)) OS.gtk_window_resize (shellHandle, width, height);
boolean changed = width != oldWidth || height != oldHeight;
if (changed) {
oldWidth = width;
oldHeight = height;
result |= RESIZED;
}
resizeBounds (width, height, changed);
}
return result;
}
@Override
void setCursor (long /*int*/ cursor) {
if (enableWindow != 0) {
OS.gdk_window_set_cursor (enableWindow, cursor);
if (!OS.isX11()) {
OS.gdk_flush ();
} else {
long /*int*/ xDisplay = OS.gdk_x11_display_get_xdisplay(OS.gdk_display_get_default());
OS.XFlush (xDisplay);
}
}
super.setCursor (cursor);
}
@Override
public void setEnabled (boolean enabled) {
checkWidget();
if (((state & DISABLED) == 0) == enabled) return;
Display display = this.display;
Control control = null;
boolean fixFocus = false;
if (!enabled) {
if (display.focusEvent != SWT.FocusOut) {
control = display.getFocusControl ();
fixFocus = isFocusAncestor (control);
}
}
if (enabled) {
state &= ~DISABLED;
} else {
state |= DISABLED;
}
enableWidget (enabled);
if (isDisposed ()) return;
if (enabled) {
if (enableWindow != 0) {
cleanupEnableWindow();
}
} else {
long /*int*/ parentHandle = shellHandle;
OS.gtk_widget_realize (parentHandle);
long /*int*/ window = gtk_widget_get_window (parentHandle);
Rectangle rect = getBoundsInPixels ();
GdkWindowAttr attributes = new GdkWindowAttr ();
attributes.width = rect.width;
attributes.height = rect.height;
attributes.event_mask = (0xFFFFFFFF & ~OS.ExposureMask);
attributes.wclass = OS.GDK_INPUT_ONLY;
attributes.window_type = OS.GDK_WINDOW_CHILD;
enableWindow = OS.gdk_window_new (window, attributes, 0);
if (enableWindow != 0) {
if (cursor != null) {
OS.gdk_window_set_cursor (enableWindow, cursor.handle);
if (!OS.isX11()) {
OS.gdk_flush ();
} else {
long /*int*/ xDisplay = OS.gdk_x11_display_get_xdisplay(OS.gdk_display_get_default());
OS.XFlush (xDisplay);
}
}
/* 427776: we need to listen to all enter-notify-event signals to
* see if this new GdkWindow has been added to a widget's internal
* hash table, so when the GdkWindow is destroyed we can also remove
* that reference. */
if (enterNotifyEventFunc != null)
enterNotifyEventId = OS.g_signal_add_emission_hook (enterNotifyEventSignalId, 0, enterNotifyEventFunc.getAddress (), enableWindow, 0);
OS.gdk_window_set_user_data (enableWindow, parentHandle);
OS.gdk_window_show (enableWindow);
}
}
if (fixFocus) fixFocus (control);
if (enabled && display.activeShell == this) {
if (!restoreFocus ()) traverseGroup (false);
}
}
/**
* Sets the full screen state of the receiver.
* If the argument is true causes the receiver
* to switch to the full screen state, and if the argument is
* false and the receiver was previously switched
* into full screen state, causes the receiver to switch back
* to either the maximized or normal states.
*
* Note: The result of intermixing calls to setFullScreen(true),
* setMaximized(true) and setMinimized(true) will
* vary by platform. Typically, the behavior will match the platform user's
* expectations, but not always. This should be avoided if possible.
*
*
* @param fullScreen the new fullscreen state
*
* @exception SWTException
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.4
*/
public void setFullScreen (boolean fullScreen) {
checkWidget();
if (fullScreen) {
OS.gtk_window_fullscreen (shellHandle);
} else {
OS.gtk_window_unfullscreen (shellHandle);
if (maximized) {
setMaximized (true);
}
}
this.fullScreen = fullScreen;
}
/**
* 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 SWT:
* NONE, ROMAN, DBCS,
* PHONETIC, NATIVE, ALPHA.
*
* @param mode the new IME mode
*
* @exception SWTException
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @see SWT
*/
public void setImeInputMode (int mode) {
checkWidget();
}
@Override
void setInitialBounds () {
int width, height;
if ((state & FOREIGN_HANDLE) != 0) {
GtkAllocation allocation = new GtkAllocation ();
OS.gtk_widget_get_allocation (shellHandle, allocation);
width = allocation.width;
height = allocation.height;
} else {
width = OS.gdk_screen_width () * 5 / 8;
height = OS.gdk_screen_height () * 5 / 8;
long /*int*/ screen = OS.gdk_screen_get_default ();
if (screen != 0) {
if (OS.gdk_screen_get_n_monitors (screen) > 1) {
int monitorNumber = OS.gdk_screen_get_monitor_at_window (screen, paintWindow ());
GdkRectangle dest = new GdkRectangle ();
OS.gdk_screen_get_monitor_geometry (screen, monitorNumber, dest);
width = dest.width * 5 / 8;
height = dest.height * 5 / 8;
}
}
if ((style & SWT.RESIZE) != 0) {
OS.gtk_window_resize (shellHandle, width, height);
}
}
resizeBounds (width, height, false);
}
@Override
public void setMaximized (boolean maximized) {
checkWidget();
super.setMaximized (maximized);
if (maximized) {
OS.gtk_window_maximize (shellHandle);
} else {
OS.gtk_window_unmaximize (shellHandle);
}
}
@Override
public void setMenuBar (Menu menu) {
checkWidget();
if (menuBar == menu) return;
boolean both = menu != null && menuBar != null;
if (menu != null) {
if ((menu.style & SWT.BAR) == 0) error (SWT.ERROR_MENU_NOT_BAR);
if (menu.parent != this) error (SWT.ERROR_INVALID_PARENT);
}
if (menuBar != null) {
long /*int*/ menuHandle = menuBar.handle;
OS.gtk_widget_hide (menuHandle);
destroyAccelGroup ();
}
menuBar = menu;
if (menuBar != null) {
long /*int*/ menuHandle = menu.handle;
OS.gtk_widget_show (menuHandle);
createAccelGroup ();
menuBar.addAccelerators (accelGroup);
}
GtkAllocation allocation = new GtkAllocation ();
OS.gtk_widget_get_allocation (vboxHandle, allocation);
int width = allocation.width;
int height = allocation.height;
resizeBounds (width, height, !both);
}
@Override
public void setMinimized (boolean minimized) {
checkWidget();
if (this.minimized == minimized) return;
super.setMinimized (minimized);
if (minimized) {
OS.gtk_window_iconify (shellHandle);
} else {
OS.gtk_window_deiconify (shellHandle);
bringToTop (false);
}
}
/**
* Sets the receiver's minimum size to the size specified by the arguments.
* If the new minimum size is larger than the current size of the receiver,
* the receiver is resized to the new minimum size.
*
* @param width the new minimum width for the receiver
* @param height the new minimum height for the receiver
*
* @exception SWTException
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*/
public void setMinimumSize (int width, int height) {
checkWidget ();
setMinimumSize (new Point (width, height));
}
void setMinimumSizeInPixels (int width, int height) {
checkWidget ();
GdkGeometry geometry = new GdkGeometry ();
minWidth = geometry.min_width = Math.max (width, trimWidth ()) - trimWidth ();
minHeight = geometry.min_height = Math.max (height, trimHeight ()) - trimHeight ();
OS.gtk_window_set_geometry_hints (shellHandle, 0, geometry, OS.GDK_HINT_MIN_SIZE);
}
/**
* Sets the receiver's minimum size to the size specified by the argument.
* If the new minimum size is larger than the current size of the receiver,
* the receiver is resized to the new minimum size.
*
* @param size the new minimum size for the receiver
*
* @exception IllegalArgumentException
*
ERROR_NULL_ARGUMENT - if the point is null
*
* @exception SWTException
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.1
*/
public void setMinimumSize (Point size) {
checkWidget ();
setMinimumSizeInPixels (DPIUtil.autoScaleUp (size));
}
void setMinimumSizeInPixels (Point size) {
checkWidget ();
if (size == null) error (SWT.ERROR_NULL_ARGUMENT);
setMinimumSizeInPixels (size.x, size.y);
}
/**
* Sets the receiver's modified state as specified by the argument.
*
* @param modified the new modified state for the receiver
*
*
* @exception SWTException
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.5
*/
public void setModified (boolean modified) {
checkWidget ();
this.modified = modified;
}
/**
* Sets the shape of the shell to the region specified
* by the argument. When the argument is null, the
* default shape of the shell is restored. The shell
* must be created with the style SWT.NO_TRIM in order
* to specify a region.
*
* NOTE: This method also sets the size of the shell. Clients should
* not call {@link #setSize} or {@link #setBounds} on this shell.
* Furthermore, the passed region should not be modified any more.
*
*
* @param region the region that defines the shape of the shell (or null)
*
* @exception IllegalArgumentException
*
ERROR_INVALID_ARGUMENT - if the region has been disposed
*
* @exception SWTException
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 3.0
*/
@Override
public void setRegion (Region region) {
checkWidget ();
if ((style & SWT.NO_TRIM) == 0) return;
if (region != null) {
Rectangle bounds = region.getBounds ();
setSize (bounds.x + bounds.width, bounds.y + bounds.height);
}
Region regionToDispose = null;
if ((style & SWT.RIGHT_TO_LEFT) != 0) {
if (originalRegion != null) regionToDispose = this.region;
originalRegion = region;
region = mirrorRegion (region);
} else {
originalRegion = null;
}
super.setRegion (region);
if (regionToDispose != null) regionToDispose.dispose();
}
//copied from Region:
static void gdk_region_get_rectangles(long /*int*/ region, long /*int*/[] rectangles, int[] n_rectangles) {
if (!OS.GTK3) {
OS.gdk_region_get_rectangles (region, rectangles, n_rectangles);
return;
}
int num = Cairo.cairo_region_num_rectangles (region);
if (n_rectangles != null) n_rectangles[0] = num;
rectangles[0] = OS.g_malloc(GdkRectangle.sizeof * num);
for (int n = 0; n < num; n++) {
Cairo.cairo_region_get_rectangle (region, n, rectangles[0] + (n * GdkRectangle.sizeof));
}
}
static Region mirrorRegion (Region region) {
if (region == null) return null;
Region mirrored = new Region (region.getDevice ());
long /*int*/ rgn = region.handle;
int [] nRects = new int [1];
long /*int*/ [] rects = new long /*int*/ [1];
gdk_region_get_rectangles (rgn, rects, nRects);
Rectangle bounds = DPIUtil.autoScaleUp(region.getBounds ());
GdkRectangle rect = new GdkRectangle ();
for (int i = 0; i < nRects [0]; i++) {
OS.memmove (rect, rects[0] + (i * GdkRectangle.sizeof), GdkRectangle.sizeof);
rect.x = bounds.x + bounds.width - rect.x - rect.width;
OS.gdk_region_union_with_rect (mirrored.handle, rect);
}
if (rects [0] != 0) OS.g_free (rects [0]);
return mirrored;
}
/*
* Shells are never labelled by other widgets, so no initialization is needed.
*/
@Override
void setRelations() {
}
@Override
public void setText (String string) {
super.setText (string);
/*
* GTK bug 82013. For some reason, if the title string
* is less than 7 bytes long and is not terminated by
* a space, some window managers occasionally draw
* garbage after the last character in the title.
* The fix is to pad the title.
*/
int length = string.length ();
char [] chars = new char [Math.max (6, length) + 1];
string.getChars (0, length , chars, 0);
for (int i=length; i dest.x + dest.width) {
x [0] = (dest.x + dest.width) - width;
}
if (y[0] + height > dest.y + dest.height) {
y[0] = (dest.y + dest.height) - height;
}
}
OS.gtk_window_move (handle, x [0], y [0]);
return 0;
}
@Override
long /*int*/ sizeRequestProc (long /*int*/ handle, long /*int*/ arg0, long /*int*/ user_data) {
OS.gtk_widget_hide (handle);
return 0;
}
@Override
boolean traverseEscape () {
if (parent == null) return false;
if (!isVisible () || !isEnabled ()) return false;
close ();
return true;
}
int trimHeight () {
if ((style & SWT.NO_TRIM) != 0) return 0;
if (fullScreen) return 0;
boolean hasTitle = false, hasResize = false, hasBorder = false;
hasTitle = (style & (SWT.MIN | SWT.MAX | SWT.TITLE | SWT.MENU)) != 0;
hasResize = (style & SWT.RESIZE) != 0;
hasBorder = (style & SWT.BORDER) != 0;
if (hasTitle) {
if (hasResize) return display.trimHeights [Display.TRIM_TITLE_RESIZE];
if (hasBorder) return display.trimHeights [Display.TRIM_TITLE_BORDER];
return display.trimHeights [Display.TRIM_TITLE];
}
if (hasResize) return display.trimHeights [Display.TRIM_RESIZE];
if (hasBorder) return display.trimHeights [Display.TRIM_BORDER];
return display.trimHeights [Display.TRIM_NONE];
}
int trimWidth () {
if ((style & SWT.NO_TRIM) != 0) return 0;
if (fullScreen) return 0;
boolean hasTitle = false, hasResize = false, hasBorder = false;
hasTitle = (style & (SWT.MIN | SWT.MAX | SWT.TITLE | SWT.MENU)) != 0;
hasResize = (style & SWT.RESIZE) != 0;
hasBorder = (style & SWT.BORDER) != 0;
if (hasTitle) {
if (hasResize) return display.trimWidths [Display.TRIM_TITLE_RESIZE];
if (hasBorder) return display.trimWidths [Display.TRIM_TITLE_BORDER];
return display.trimWidths [Display.TRIM_TITLE];
}
if (hasResize) return display.trimWidths [Display.TRIM_RESIZE];
if (hasBorder) return display.trimWidths [Display.TRIM_BORDER];
return display.trimWidths [Display.TRIM_NONE];
}
void updateModal () {
if (OS.GTK_IS_PLUG (shellHandle)) return;
long /*int*/ group = 0;
boolean isModalShell = false;
if (display.getModalDialog () == null) {
Shell modal = getModalShell ();
int mask = SWT.PRIMARY_MODAL | SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL;
Composite shell = null;
if (modal == null) {
if ((style & mask) != 0) {
shell = this;
/*
* Feature in GTK. If a modal shell is reassigned to
* a different group, then it's modal state is not.
* persisted against the new group.
* The fix is to reset the modality before it is changed
* into a different group and then, set back after it
* assigned into new group.
*/
isModalShell = OS.gtk_window_get_modal (shellHandle);
if (isModalShell) OS.gtk_window_set_modal (shellHandle, false);
}
} else {
shell = modal;
}
Composite topModalShell = shell;
while (shell != null) {
if ((shell.style & mask) == 0) {
group = shell.getShell ().group;
break;
}
topModalShell = shell;
shell = shell.parent;
}
/*
* If a modal shell doesn't have any parent (or modal shell as it's parent),
* then we incorrectly add the modal shell to the default group, due to which
* children of that modal shell are not interactive. The fix is to ensure
* that whenever there is a modal shell in the hierarchy, then we always
* add the modal shell's group to that modal shell and it's modelless children
* in a different group.
*/
if (group == 0 && topModalShell != null) group = topModalShell.getShell ().group;
}
if (group == 0) {
/*
* Feature in GTK. Starting with GTK version 2.10, GTK
* doesn't assign windows to a default group. The fix is to
* get the handle of the default group and add windows to the
* group.
*/
group = OS.gtk_window_get_group(0);
}
if (group != 0) {
OS.gtk_window_group_add_window (group, shellHandle);
if (isModalShell) OS.gtk_window_set_modal (shellHandle, true);
} else {
if (modalGroup != 0) {
OS.gtk_window_group_remove_window (modalGroup, shellHandle);
}
}
modalGroup = group;
}
void updateMinimized (boolean minimized) {
Shell[] shells = getShells ();
for (int i = 0; i < shells.length; i++) {
boolean update = false;
Shell shell = shells[i];
while (shell != null && shell != this && !shell.isUndecorated ()) {
shell = (Shell) shell.getParent ();
}
if (shell != null && shell != this) update = true;
if (update) {
if (minimized) {
if (shells[i].isVisible ()) {
shells[i].showWithParent = true;
OS.gtk_widget_hide(shells[i].shellHandle);
}
} else {
if (shells[i].showWithParent) {
shells[i].showWithParent = false;
OS.gtk_widget_show(shells[i].shellHandle);
}
}
}
}
}
@Override
void deregister () {
super.deregister ();
display.removeWidget (shellHandle);
}
@Override
public void dispose () {
/*
* Note: It is valid to attempt to dispose a widget
* more than once. If this happens, fail silently.
*/
if (isDisposed()) return;
fixActiveShell ();
OS.gtk_widget_hide (shellHandle);
super.dispose ();
}
/**
* If the receiver is visible, moves it 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
*
ERROR_WIDGET_DISPOSED - if the receiver has been disposed
*
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*
* @since 2.0
* @see Control#moveAbove
* @see Control#setFocus
* @see Control#setVisible
* @see Display#getActiveShell
* @see Decorations#setDefaultButton(Button)
* @see Shell#open
* @see Shell#setActive
*/
public void forceActive () {
checkWidget ();
bringToTop (true);
}
@Override
Rectangle getBoundsInPixels () {
checkWidget ();
int [] x = new int [1], y = new int [1];
OS.gtk_window_get_position (shellHandle, x, y);
GtkAllocation allocation = new GtkAllocation ();
OS.gtk_widget_get_allocation (vboxHandle, allocation);
int width = allocation.width;
int height = allocation.height;
int border = 0;
if ((style & (SWT.NO_TRIM | SWT.BORDER | SWT.SHELL_TRIM)) == 0) {
border = OS.gtk_container_get_border_width (shellHandle);
}
return new Rectangle (x [0], y [0], width + trimWidth () + 2*border, height + trimHeight () + 2*border);
}
@Override
void releaseHandle () {
super.releaseHandle ();
shellHandle = 0;
}
@Override
void releaseChildren (boolean destroy) {
Shell [] shells = getShells ();
for (int i=0; i 0) {
char [] chars = fixMnemonic (string, false);
buffer = Converter.wcsToMbcs (null, chars, true);
}
long /*int*/ oldTooltip = OS.gtk_widget_get_tooltip_text (rootWidget);
boolean same = false;
if (buffer == null && oldTooltip == 0) {
same = true;
} else if (buffer != null && oldTooltip != 0) {
same = OS.strcmp (oldTooltip, buffer) == 0;
}
if (oldTooltip != 0) OS.g_free(oldTooltip);
if (same) return;
OS.gtk_widget_set_tooltip_text (rootWidget, buffer);
}
@Override
Point getWindowOrigin () {
if (!mapped) {
/*
* Special case: The handle attributes are not initialized until the
* shell is made visible, so gdk_window_get_origin () always returns {0, 0}.
*
* Once the shell is realized, gtk_window_get_position () includes
* window trims etc. from the window manager. That's why getLocation ()
* is not safe to use for coordinate mappings after the shell has been made visible.
*/
return getLocationInPixels ();
}
return super.getWindowOrigin( );
}
}
