Esempio n. 1
0
 int XButtonRelease(int w, int client_data, int call_data, int continue_to_dispatch) {
   int result = super.XButtonRelease(w, client_data, call_data, continue_to_dispatch);
   if (result != 0) return result;
   XButtonEvent xEvent = new XButtonEvent();
   OS.memmove(xEvent, call_data, XButtonEvent.sizeof);
   if (xEvent.button != 1) return result;
   if (!dragging) return result;
   dragging = false;
   int[] argList = {OS.XmNwidth, 0, OS.XmNheight, 0, OS.XmNborderWidth, 0};
   OS.XtGetValues(handle, argList, argList.length / 2);
   int border = argList[5];
   int width = argList[1] + (border * 2), height = argList[3] + (border * 2);
   Event event = new Event();
   event.time = xEvent.time;
   event.x = lastX;
   event.y = lastY;
   event.width = width;
   event.height = height;
   drawBand(lastX, lastY, width, height);
   sendEvent(SWT.Selection, event);
   if (isDisposed()) return result;
   if (event.doit) {
     if ((style & SWT.SMOOTH) != 0) {
       setBounds(event.x, event.y, width, height);
       // widget could be disposed at this point
     }
   }
   return result;
 }
Esempio n. 2
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 int XPointerMotion(int w, int client_data, int call_data, int continue_to_dispatch) {
   int result = super.XPointerMotion(w, client_data, call_data, continue_to_dispatch);
   if (result != 0) return result;
   XMotionEvent xEvent = new XMotionEvent();
   OS.memmove(xEvent, call_data, XMotionEvent.sizeof);
   if (!dragging || (xEvent.state & OS.Button1Mask) == 0) return result;
   short[] x_root = new short[1], y_root = new short[1];
   OS.XtTranslateCoords(handle, (short) 0, (short) 0, x_root, y_root);
   int eventX = xEvent.x_root - x_root[0], eventY = xEvent.y_root - y_root[0];
   int[] argList1 = {
     OS.XmNx, 0, OS.XmNy, 0, OS.XmNwidth, 0, OS.XmNheight, 0, OS.XmNborderWidth, 0
   };
   OS.XtGetValues(handle, argList1, argList1.length / 2);
   int border = argList1[9],
       x = ((short) argList1[1]) - border,
       y = ((short) argList1[3]) - border;
   int width = argList1[5] + (border * 2), height = argList1[7] + (border * 2);
   int[] argList2 = {OS.XmNwidth, 0, OS.XmNheight, 0, OS.XmNborderWidth, 0};
   OS.XtGetValues(parent.handle, argList2, argList2.length / 2);
   int parentBorder = argList2[5];
   int parentWidth = argList2[1] + (parentBorder * 2);
   int parentHeight = argList2[3] + (parentBorder * 2);
   int newX = lastX, newY = lastY;
   if ((style & SWT.VERTICAL) != 0) {
     newX = Math.min(Math.max(0, eventX + x - startX - parentBorder), parentWidth - width);
   } else {
     newY = Math.min(Math.max(0, eventY + y - startY - parentBorder), parentHeight - height);
   }
   if (newX == lastX && newY == lastY) return result;
   drawBand(lastX, lastY, width, height);
   Event event = new Event();
   event.time = xEvent.time;
   event.x = newX;
   event.y = newY;
   event.width = width;
   event.height = height;
   if ((style & SWT.SMOOTH) == 0) {
     event.detail = SWT.DRAG;
   }
   sendEvent(SWT.Selection, event);
   if (isDisposed()) return result;
   if (event.doit) {
     lastX = event.x;
     lastY = event.y;
   }
   parent.update(true);
   drawBand(lastX, lastY, width, height);
   if ((style & SWT.SMOOTH) != 0) {
     setBounds(lastX, lastY, width, height);
     // widget could be disposed at this point
   }
   return result;
 }
Esempio n. 3
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 int XButtonPress(int w, int client_data, int call_data, int continue_to_dispatch) {
   int result = super.XButtonPress(w, client_data, call_data, continue_to_dispatch);
   if (result != 0) return result;
   XButtonEvent xEvent = new XButtonEvent();
   OS.memmove(xEvent, call_data, XButtonEvent.sizeof);
   if (xEvent.button != 1) return result;
   short[] x_root = new short[1], y_root = new short[1];
   OS.XtTranslateCoords(handle, (short) 0, (short) 0, x_root, y_root);
   startX = xEvent.x_root - x_root[0];
   startY = xEvent.y_root - y_root[0];
   int[] argList = {OS.XmNx, 0, OS.XmNy, 0, OS.XmNwidth, 0, OS.XmNheight, 0, OS.XmNborderWidth, 0};
   OS.XtGetValues(handle, argList, argList.length / 2);
   int border = argList[9], width = argList[5] + (border * 2), height = argList[7] + (border * 2);
   lastX = ((short) argList[1]) - border;
   lastY = ((short) argList[3]) - border;
   Event event = new Event();
   event.time = xEvent.time;
   event.x = lastX;
   event.y = lastY;
   event.width = width;
   event.height = height;
   if ((style & SWT.SMOOTH) == 0) {
     event.detail = SWT.DRAG;
   }
   sendEvent(SWT.Selection, event);
   if (isDisposed()) return result;
   if (event.doit) {
     dragging = true;
     lastX = event.x;
     lastY = event.y;
     parent.update(true);
     drawBand(event.x, event.y, width, height);
     if ((style & SWT.SMOOTH) != 0) {
       setBounds(event.x, event.y, width, height);
       // widget could be disposed at this point
     }
   }
   return result;
 }
Esempio n. 4
0
  int XKeyPress(int w, int client_data, int call_data, int continue_to_dispatch) {
    int result = super.XKeyPress(w, client_data, call_data, continue_to_dispatch);
    if (result != 0) return result;
    XKeyEvent xEvent = new XKeyEvent();
    OS.memmove(xEvent, call_data, XKeyEvent.sizeof);
    byte[] buffer = new byte[1];
    int[] keysym = new int[1];
    OS.XLookupString(xEvent, buffer, buffer.length, keysym, null);

    switch (keysym[0]) {
      case OS.XK_Left:
      case OS.XK_Right:
      case OS.XK_Up:
      case OS.XK_Down:
        int xChange = 0, yChange = 0;
        int stepSize = PAGE_INCREMENT;
        if ((xEvent.state & OS.ControlMask) != 0) stepSize = INCREMENT;
        if ((style & SWT.VERTICAL) != 0) {
          if (keysym[0] == OS.XK_Up || keysym[0] == OS.XK_Down) break;
          xChange = keysym[0] == OS.XK_Left ? -stepSize : stepSize;
        } else {
          if (keysym[0] == OS.XK_Left || keysym[0] == OS.XK_Right) break;
          yChange = keysym[0] == OS.XK_Up ? -stepSize : stepSize;
        }

        int[] argList1 = {OS.XmNwidth, 0, OS.XmNheight, 0, OS.XmNborderWidth, 0};
        OS.XtGetValues(handle, argList1, argList1.length / 2);
        int border = argList1[5];
        int width = argList1[1] + (border * 2), height = argList1[3] + (border * 2);
        int[] argList2 = {OS.XmNwidth, 0, OS.XmNheight, 0, OS.XmNborderWidth, 0};
        OS.XtGetValues(parent.handle, argList2, argList2.length / 2);
        int parentBorder = argList2[5];
        int parentWidth = argList2[1] + (parentBorder * 2);
        int parentHeight = argList2[3] + (parentBorder * 2);
        int newX = lastX, newY = lastY;
        if ((style & SWT.VERTICAL) != 0) {
          newX =
              Math.min(Math.max(0, lastX + xChange - parentBorder - startX), parentWidth - width);
        } else {
          newY =
              Math.min(Math.max(0, lastY + yChange - parentBorder - startY), parentHeight - height);
        }
        if (newX == lastX && newY == lastY) return result;

        /* Ensure that the pointer image does not change */
        int xDisplay = display.xDisplay;
        int xWindow = OS.XtWindow(parent.handle);
        int ptrGrabResult =
            OS.XGrabPointer(
                xDisplay,
                xWindow,
                1,
                OS.None,
                OS.GrabModeAsync,
                OS.GrabModeAsync,
                OS.None,
                cursor,
                OS.CurrentTime);

        Event event = new Event();
        event.time = xEvent.time;
        event.x = newX;
        event.y = newY;
        event.width = width;
        event.height = height;
        sendEvent(SWT.Selection, event);
        if (ptrGrabResult == OS.GrabSuccess) OS.XUngrabPointer(xDisplay, OS.CurrentTime);
        if (isDisposed()) break;

        if (event.doit) {
          lastX = event.x;
          lastY = event.y;
          if ((style & SWT.SMOOTH) != 0) {
            setBounds(event.x, event.y, width, height);
            if (isDisposed()) break;
          }
          int cursorX = event.x, cursorY = event.y;
          if ((style & SWT.VERTICAL) != 0) {
            cursorY += height / 2;
          } else {
            cursorX += width / 2;
          }
          OS.XWarpPointer(xDisplay, OS.None, xWindow, 0, 0, 0, 0, cursorX, cursorY);
        }
        break;
    }

    return result;
  }