diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/ScrollBar.java')
| -rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/ScrollBar.java | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/ScrollBar.java b/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/ScrollBar.java new file mode 100755 index 0000000000..3b810a2ab2 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/ScrollBar.java @@ -0,0 +1,306 @@ +package org.eclipse.swt.widgets;
+
+/*
+ * Licensed Materials - Property of IBM,
+ * (c) Copyright IBM Corp. 1998, 2001 All Rights Reserved
+ */
+
+import org.eclipse.swt.internal.photon.*;
+import org.eclipse.swt.*;
+import org.eclipse.swt.graphics.*;
+import org.eclipse.swt.events.*;
+
+public class ScrollBar extends Widget {
+ Scrollable parent;
+
+ScrollBar (Scrollable parent, int style, int handle) {
+ super (parent, checkStyle (style));
+ this.parent = parent;
+ this.handle = handle;
+ createWidget (0);
+}
+
+ScrollBar (Scrollable parent, int style) {
+ super (parent, checkStyle (style));
+ this.parent = parent;
+ createWidget (0);
+}
+
+static int checkStyle (int style) {
+ return checkBits (style, SWT.HORIZONTAL, SWT.VERTICAL, 0, 0, 0, 0);
+}
+
+public void addSelectionListener (SelectionListener listener) {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+ TypedListener typedListener = new TypedListener(listener);
+ addListener (SWT.Selection,typedListener);
+ addListener (SWT.DefaultSelection,typedListener);
+}
+
+void createHandle (int index) {
+ if (handle != 0) return;
+ int parentHandle = parent.scrolledHandle;
+ int [] args = {
+ OS.Pt_ARG_MAXIMUM, 100, 0,
+ OS.Pt_ARG_PAGE_INCREMENT, 10, 0,
+ OS.Pt_ARG_SLIDER_SIZE, 10, 0,
+ OS.Pt_ARG_ORIENTATION, (style & SWT.HORIZONTAL) != 0 ? OS.Pt_HORIZONTAL : OS.Pt_VERTICAL, 0,
+ OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS,
+ };
+ handle = OS.PtCreateWidget (OS.PtScrollbar (), parentHandle, args.length / 3, args);
+ if (handle == 0) error (SWT.ERROR_NO_HANDLES);
+ OS.PtExtentWidget (handle);
+}
+
+public Display getDisplay () {
+ Scrollable parent = this.parent;
+ if (parent == null) error (SWT.ERROR_WIDGET_DISPOSED);
+ return parent.getDisplay ();
+}
+
+public boolean getEnabled () {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ int [] args = {OS.Pt_ARG_FLAGS, 0, 0};
+ OS.PtGetResources (handle, args.length / 3, args);
+ return (args [1] & OS.Pt_BLOCKED) == 0;
+}
+
+public int getIncrement () {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ int [] args = {OS.Pt_ARG_INCREMENT, 0, 0};
+ OS.PtGetResources (handle, args.length / 3, args);
+ return args [1];
+}
+
+public int getMinimum () {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ int [] args = {OS.Pt_ARG_MINIMUM, 0, 0};
+ OS.PtGetResources (handle, args.length / 3, args);
+ return args [1];
+}
+
+public int getMaximum () {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ int [] args = {OS.Pt_ARG_MAXIMUM, 0, 0};
+ OS.PtGetResources (handle, args.length / 3, args);
+ return args [1];
+}
+
+public int getPageIncrement () {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ int [] args = {OS.Pt_ARG_PAGE_INCREMENT, 0, 0};
+ OS.PtGetResources (handle, args.length / 3, args);
+ return args [1];
+}
+
+public Scrollable getParent () {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ return parent;
+}
+
+public int getSelection () {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ int [] args = {OS.Pt_ARG_SCROLL_POSITION, 0, 0};
+ OS.PtGetResources (handle, args.length / 3, args);
+ return args [1];
+}
+
+public Point getSize () {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ int [] args = {OS.Pt_ARG_WIDTH, 0, 0, OS.Pt_ARG_HEIGHT, 0, 0};
+ OS.PtGetResources (handle, args.length / 3, args);
+ return new Point (args [1], args [4]);
+}
+
+public int getThumb () {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ int [] args = {OS.Pt_ARG_SLIDER_SIZE, 0, 0};
+ OS.PtGetResources (handle, args.length / 3, args);
+ return args [1];
+}
+
+public boolean getVisible () {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ int topHandle = topHandle ();
+ int [] args = {OS.Pt_ARG_FLAGS, 0, 0};
+ OS.PtGetResources (topHandle, args.length / 3, args);
+ return (args [1] & OS.Pt_DELAY_REALIZE) == 0;
+}
+
+void hookEvents () {
+ int windowProc = getDisplay ().windowProc;
+ OS.PtAddCallback (handle, OS.Pt_CB_SCROLL_MOVE, windowProc, SWT.Selection);
+}
+
+public boolean isEnabled () {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ return getEnabled () && parent.isEnabled ();
+}
+
+public boolean isVisible () {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ return OS.PtWidgetIsRealized (handle);
+}
+
+int processSelection (int info) {
+ if (info == 0) return OS.Pt_CONTINUE;
+ PtCallbackInfo_t cbinfo = new PtCallbackInfo_t ();
+ OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof);
+ if (cbinfo.cbdata == 0) return OS.Pt_CONTINUE;
+ PtScrollbarCallback_t cb = new PtScrollbarCallback_t ();
+ OS.memmove (cb, cbinfo.cbdata, PtScrollbarCallback_t.sizeof);
+ Event event = new Event ();
+ switch (cb.action) {
+ case OS.Pt_SCROLL_DRAGGED:
+ event.detail = SWT.DRAG;
+ break;
+ case OS.Pt_SCROLL_TO_MIN:
+ event.detail = SWT.HOME;
+ break;
+ case OS.Pt_SCROLL_TO_MAX:
+ event.detail = SWT.END;
+ break;
+ case OS.Pt_SCROLL_INCREMENT:
+ event.detail = SWT.ARROW_DOWN;
+ break;
+ case OS.Pt_SCROLL_DECREMENT :
+ event.detail = SWT.ARROW_UP;
+ break;
+ case OS.Pt_SCROLL_PAGE_DECREMENT:
+ event.detail = SWT.PAGE_UP;
+ break;
+ case OS.Pt_SCROLL_PAGE_INCREMENT:
+ event.detail = SWT.PAGE_DOWN;
+ break;
+ }
+ sendEvent(SWT.Selection, event);
+ return OS.Pt_CONTINUE;
+}
+
+public void removeSelectionListener (SelectionListener listener) {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+ if (eventTable == null) return;
+ eventTable.unhook (SWT.Selection, listener);
+ eventTable.unhook (SWT.DefaultSelection,listener);
+}
+
+void setBounds (int x, int y, int width, int height) {
+ PhArea_t area = new PhArea_t ();
+ area.pos_x = (short) x;
+ area.pos_y = (short) y;
+ area.size_w = (short) (Math.max (width, 0));
+ area.size_h = (short) (Math.max (height, 0));
+ int ptr = OS.malloc (PhArea_t.sizeof);
+ OS.memmove (ptr, area, PhArea_t.sizeof);
+ int [] args = {OS.Pt_ARG_AREA, ptr, 0};
+ OS.PtSetResources (handle, args.length / 3, args);
+ OS.free (ptr);
+}
+
+public void setEnabled (boolean enabled) {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ int [] args = {
+ OS.Pt_ARG_FLAGS, enabled ? 0 : OS.Pt_BLOCKED, OS.Pt_BLOCKED,
+ OS.Pt_ARG_FLAGS, enabled ? 0 : OS.Pt_GHOST, OS.Pt_GHOST,
+ };
+ OS.PtSetResources (handle, args.length / 3, args);
+}
+public void setIncrement (int value) {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ int [] args = {OS.Pt_ARG_INCREMENT, value, 0};
+ OS.PtSetResources (handle, args.length / 3, args);
+}
+
+public void setMaximum (int value) {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ int [] args = {OS.Pt_ARG_MAXIMUM, value - 1, 0};
+ OS.PtSetResources (handle, args.length / 3, args);
+}
+
+public void setMinimum (int value) {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ int [] args = {OS.Pt_ARG_MINIMUM, value, 0};
+ OS.PtSetResources (handle, args.length / 3, args);
+}
+
+public void setPageIncrement (int value) {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ int [] args = {OS.Pt_ARG_PAGE_INCREMENT, value, 0};
+ OS.PtSetResources (handle, args.length / 3, args);
+}
+
+public void setSelection (int value) {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ int [] args = {OS.Pt_ARG_SCROLL_POSITION, value, 0};
+ OS.PtSetResources (handle, args.length / 3, args);
+}
+
+public void setThumb (int value) {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ int [] args = {OS.Pt_ARG_SLIDER_SIZE, value, 0};
+ OS.PtSetResources (handle, args.length / 3, args);
+}
+
+public void setValues (int selection, int minimum, int maximum, int thumb, int increment, int pageIncrement) {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ if (selection < 0) return;
+ if (minimum < 0) return;
+ if (maximum < 0) return;
+ if (thumb < 1) return;
+ if (maximum - minimum - thumb < 0) return;
+ if (increment < 1) return;
+ if (pageIncrement < 1) return;
+ int [] args = {
+ OS.Pt_ARG_SCROLL_POSITION, selection, 0,
+ OS.Pt_ARG_INCREMENT, increment, 0,
+ OS.Pt_ARG_PAGE_INCREMENT, pageIncrement, 0,
+ OS.Pt_ARG_SLIDER_SIZE, thumb, 0,
+ OS.Pt_ARG_MINIMUM, minimum, 0,
+ OS.Pt_ARG_MAXIMUM, maximum - 1, 0,
+ };
+ OS.PtSetResources (handle, args.length / 3, args);
+}
+
+public void setVisible (boolean visible) {
+ if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
+ if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
+ int [] args = {
+ OS.Pt_ARG_FLAGS, visible ? 0 : OS.Pt_DELAY_REALIZE, OS.Pt_DELAY_REALIZE,
+ };
+ OS.PtSetResources (handle, args.length / 3, args);
+ if (visible) {
+ sendEvent (SWT.Show);
+ OS.PtRealizeWidget (handle);
+ parent.resizeClientArea ();
+ } else {
+ OS.PtUnrealizeWidget (handle);
+ parent.resizeClientArea ();
+ sendEvent(SWT.Hide);
+ }
+}
+
+}
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