projects/dwt-win: dwt/widgets/Button.d comparison

comparison dwt/widgets/Button.d @ 213:36f5cb12e1a2

Update to SWT 3.4M7

author	Frank Benoit <benoit@tionex.de>
date	Sat, 17 May 2008 17:34:28 +0200
parents	ab60f3309436
children	43b41c7fe84a

comparison

equal deleted inserted replaced

-:ab60f3309436
+:36f5cb12e1a2
 alias extern(Windows) int function( HWND, uint, uint, int ) TWindowProc;
 String text = "", message = "";
 Image image, image2, disabledImage;
 ImageList imageList;
-bool ignoreMouse;
+bool ignoreMouse, grayed;
 static const int MARGIN = 4;
 private static /+const+/ int CHECK_WIDTH, CHECK_HEIGHT;
 static const int ICON_WIDTH = 128, ICON_HEIGHT = 128;
 static const bool COMMAND_LINK = false;
 private static /+const+/ TWindowProc ButtonProc;
 height += border * 2;
 return new Point (width, height);
 }
 override void createHandle () {
+/*
+* Feature in Windows.  When a button is created,
+* it clears the UI state for all controls in the
+* shell by sending WM_CHANGEUISTATE with UIS_SET,
+* UISF_HIDEACCEL and UISF_HIDEFOCUS to the parent.
+* This is undocumented and unexpected.  The fix
+* is to ignore the WM_CHANGEUISTATE, when sent
+* from CreateWindowEx().
+*/
+parent.state |= IGNORE_WM_CHANGEUISTATE;
 super.createHandle ();
-if ((style & DWT.PUSH) is 0) state |= THEME_BACKGROUND;
+parent.state &= ~IGNORE_WM_CHANGEUISTATE;
+/* Set the theme background */
+if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
+/*
+* NOTE: On Vista this causes problems when the tab
+* key is pressed for push buttons so disable the
+* theme background drawing for these widgets for
+* now.
+*/
+if (!OS.IsWinCE && OS.WIN32_VERSION < OS.VERSION (6, 0)) {
+state |= THEME_BACKGROUND;
+} else {
+if ((style & (DWT.PUSH | DWT.TOGGLE)) is 0) {
+state |= THEME_BACKGROUND;
+}
+}
+}
 /*
 * Bug in Windows.  For some reason, the HBRUSH that
 * is returned from WM_CTRLCOLOR is misaligned when
 * the button uses it to draw.  If the brush is a solid
 * color, this does not matter.  However, if the brush
 * drawing in WM_ERASEBKGND will draw on top of the
 * text of the control.
 */
 if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
 if ((style & DWT.RADIO) !is 0) state |= DRAW_BACKGROUND;
+}
+/*
+* Feature in Windows.  Push buttons draw border around
+* the button using the default background color instead
+* of using the color provided by WM_CTRLCOLOR.  The fix
+* is to draw the background in WM_CTRLCOLOR.
+*
+* NOTE: On Vista this causes problems when the tab key
+* is pressed for push buttons so disable the fix for now.
+*/
+if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
+if (!OS.IsWinCE && OS.WIN32_VERSION < OS.VERSION (6, 0)) {
+if ((style & (DWT.PUSH | DWT.TOGGLE)) !is 0) {
+state |= DRAW_BACKGROUND;
+}
+}
 }
 }
 override int defaultBackground () {
 if ((style & (DWT.PUSH | DWT.TOGGLE)) !is 0) {
 int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
 return (bits & OS.BS_DEFPUSHBUTTON) !is 0;
 }
 /**
+* Returns <code>true</code> if the receiver is grayed,
+* and false otherwise. When the widget does not have
+* the <code>CHECK</code> style, return false.
+*
+* @return the grayed state of the checkbox
+*
+* @exception DWTException <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 bool getGrayed () {
+checkWidget();
+if ((style & DWT.CHECK) is 0) return false;
+return grayed;
+}
+/**
 * Returns the receiver's image if it has one, or null
 * if it does not.
 *
 * @return the receiver's image
 *
 * </ul>
 */
 public bool getSelection () {
 checkWidget ();
 if ((style & (DWT.CHECK | DWT.RADIO | DWT.TOGGLE)) is 0) return false;
-int state = OS.SendMessage (handle, OS.BM_GETCHECK, 0, 0);
+int /*long*/ flags = OS.SendMessage (handle, OS.BM_GETCHECK, 0, 0);
-return (state & OS.BST_CHECKED) !is 0;
+return flags !is OS.BST_UNCHECKED;
 }
 /**
 * Returns the receiver's text, which will be an empty
 * string if it has never been set or if the receiver is
 if ((style & DWT.ARROW) !is 0) return "";
 return text;
 }
 override bool isTabItem () {
-//TEMPORARY CODE
+if ((style & DWT.PUSH) !is 0) return isTabGroup ();
-//if ((style & DWT.PUSH) !is 0) return true;
 return super.isTabItem ();
 }
 override bool mnemonicHit (wchar ch) {
 if (!setFocus ()) return false;
 override bool mnemonicMatch (wchar key) {
 wchar mnemonic = findMnemonic (getText ());
 if (mnemonic is '\0') return false;
 return CharacterToUpper (key) is CharacterToUpper (mnemonic);
+}
+void printWidget (HWND hwnd, HDC hDC) {
+/*
+* Bug in Windows.  For some reason, PrintWindow() fails
+* when it is called on a push button.  The fix is to
+* detect the failure and use WM_PRINT instead.  Note
+* that WM_PRINT cannot be used all the time because it
+* fails for browser controls when the browser has focus.
+*/
+if (!OS.PrintWindow (hwnd, hDC, 0)) {
+int flags = OS.PRF_CLIENT | OS.PRF_NONCLIENT | OS.PRF_ERASEBKGND | OS.PRF_CHILDREN;
+OS.SendMessage (hwnd, OS.WM_PRINT, hDC, flags);
+}
 }
 override void releaseWidget () {
 super.releaseWidget ();
 if (imageList !is null) imageList.dispose ();
 //  }
 _setImage (image);
 }
 /**
+* Sets the grayed state of the receiver.  This state change
+* only applies if the control was created with the DWT.CHECK
+* style.
+*
+* @param grayed the new grayed state
+*
+* @exception DWTException <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 void setGrayed (bool grayed) {
+checkWidget ();
+if ((style & DWT.CHECK) is 0) return;
+this.grayed = grayed;
+int /*long*/ flags = OS.SendMessage (handle, OS.BM_GETCHECK, 0, 0);
+if (grayed) {
+if (flags is OS.BST_CHECKED) updateSelection (OS.BST_INDETERMINATE);
+} else {
+if (flags is OS.BST_INDETERMINATE) updateSelection (OS.BST_CHECKED);
+}
+}
+/**
 * Sets the widget message. When the widget is created
 * with the style <code>DWT.COMMAND</code>, the message text
 * is displayed to provide further information for the user.
 *
 * @param message the new message
 */
 public void setSelection (bool selected) {
 checkWidget ();
 if ((style & (DWT.CHECK | DWT.RADIO | DWT.TOGGLE)) is 0) return;
 int flags = selected ? OS.BST_CHECKED : OS.BST_UNCHECKED;
-/*
+if ((style & DWT.CHECK) !is 0) {
-* Feature in Windows. When BM_SETCHECK is used
+if (selected && grayed) flags = OS.BST_INDETERMINATE;
-* to set the checked state of a radio or check
+}
-* button, it sets the WM_TABSTOP style.  This
+updateSelection (flags);
-* is undocumented and unwanted.  The fix is
-* to save and restore the window style bits.
-*/
-int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
-OS.SendMessage (handle, OS.BM_SETCHECK, flags, 0);
-OS.SetWindowLong (handle, OS.GWL_STYLE, bits);
 }
 /**
 * Sets the receiver's text.
 * <p>
 //      }
 //  }
 _setText (string);
 }
+void updateSelection (int flags) {
+if (flags !is OS.SendMessage (handle, OS.BM_GETCHECK, 0, 0)) {
+/*
+* Feature in Windows. When BM_SETCHECK is used
+* to set the checked state of a radio or check
+* button, it sets the WM_TABSTOP style.  This
+* is undocumented and unwanted.  The fix is
+* to save and restore the window style bits.
+*/
+int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
+if ((style & DWT.CHECK) !is 0) {
+if (flags is OS.BST_INDETERMINATE) {
+bits &= ~OS.BS_CHECKBOX;
+bits |= OS.BS_3STATE;
+} else {
+bits |= OS.BS_CHECKBOX;
+bits &= ~OS.BS_3STATE;
+}
+if (bits !is OS.GetWindowLong (handle, OS.GWL_STYLE)) {
+OS.SetWindowLong (handle, OS.GWL_STYLE, bits);
+}
+}
+OS.SendMessage (handle, OS.BM_SETCHECK, flags, 0);
+if (bits !is OS.GetWindowLong (handle, OS.GWL_STYLE)) {
+OS.SetWindowLong (handle, OS.GWL_STYLE, bits);
+}
+}
+}
 override int widgetStyle () {
 int bits = super.widgetStyle ();
 if ((style & DWT.FLAT) !is 0) bits |= OS.BS_FLAT;
 if ((style & DWT.ARROW) !is 0) return bits | OS.BS_OWNERDRAW;
 if ((style & DWT.LEFT) !is 0) bits |= OS.BS_LEFT;
 }
 if (!redraw) redraw = findBackgroundControl () !is null;
 }
 if (redraw) {
 OS.InvalidateRect (handle, null, false);
-int code = OS.DefWindowProc (handle, OS.WM_UPDATEUISTATE, wParam, lParam);
+int /*long*/ code = OS.DefWindowProc (handle, OS.WM_UPDATEUISTATE, wParam, lParam);
 return new LRESULT (code);
 }
 }
 }
 return result;
 }
 override LRESULT wmCommandChild (int wParam, int lParam) {
-int code = wParam >> 16;
+int code = OS.HIWORD (wParam);
 switch (code) {
 case OS.BN_CLICKED:
 case OS.BN_DOUBLECLICKED:
 if ((style & (DWT.CHECK | DWT.TOGGLE)) !is 0) {
 setSelection (!getSelection ());

Mercurial > projects > dwt-win

comparison dwt/widgets/Button.d @ 213:36f5cb12e1a2