Rectangle[] getRectangles(int linkIndex) {
int lineCount = layout.getLineCount();
Rectangle[] rects = new Rectangle[lineCount];
int[] lineOffsets = layout.getLineOffsets();
Point point = offsets[linkIndex];
int lineStart = 1;
while (point.x > lineOffsets[lineStart]) lineStart++;
int lineEnd = 1;
while (point.y > lineOffsets[lineEnd]) lineEnd++;
int index = 0;
if (lineStart == lineEnd) {
rects[index++] = layout.getBounds(point.x, point.y);
} else {
rects[index++] = layout.getBounds(point.x, lineOffsets[lineStart] - 1);
rects[index++] = layout.getBounds(lineOffsets[lineEnd - 1], point.y);
if (lineEnd - lineStart > 1) {
for (int i = lineStart; i < lineEnd - 1; i++) {
rects[index++] = layout.getLineBounds(i);
}
}
}
if (rects.length != index) {
Rectangle[] tmp = new Rectangle[index];
System.arraycopy(rects, 0, tmp, 0, index);
rects = tmp;
}
return rects;
}
@Override
public Point computeSize(int wHint, int hHint, boolean changed) {
checkWidget();
if (wHint != SWT.DEFAULT && wHint < 0) wHint = 0;
if (hHint != SWT.DEFAULT && hHint < 0) hHint = 0;
int width, height;
int layoutWidth = layout.getWidth();
// TEMPORARY CODE
if (wHint == 0) {
layout.setWidth(1);
Rectangle rect = layout.getBounds();
width = 0;
height = rect.height;
} else {
layout.setWidth(wHint);
Rectangle rect = layout.getBounds();
width = rect.width;
height = rect.height;
}
layout.setWidth(layoutWidth);
if (wHint != SWT.DEFAULT) width = wHint;
if (hHint != SWT.DEFAULT) height = hHint;
int border = getBorderWidth();
width += border * 2;
height += border * 2;
return new Point(width, height);
}
@Override
long /*int*/ gtk_button_press_event(long /*int*/ widget, long /*int*/ event) {
long /*int*/ result = super.gtk_button_press_event(widget, event);
if (result != 0) return result;
GdkEventButton gdkEvent = new GdkEventButton();
OS.memmove(gdkEvent, event, GdkEventButton.sizeof);
if (gdkEvent.button == 1 && gdkEvent.type == OS.GDK_BUTTON_PRESS) {
if (focusIndex != -1) setFocus();
int x = (int) gdkEvent.x;
int y = (int) gdkEvent.y;
if ((style & SWT.MIRRORED) != 0) x = getClientWidth() - x;
int offset = layout.getOffset(x, y, null);
int oldSelectionX = selection.x;
int oldSelectionY = selection.y;
selection.x = offset;
selection.y = -1;
if (oldSelectionX != -1 && oldSelectionY != -1) {
if (oldSelectionX > oldSelectionY) {
int temp = oldSelectionX;
oldSelectionX = oldSelectionY;
oldSelectionY = temp;
}
Rectangle rect = layout.getBounds(oldSelectionX, oldSelectionY);
redraw(rect.x, rect.y, rect.width, rect.height, false);
}
for (int j = 0; j < offsets.length; j++) {
Rectangle[] rects = getRectangles(j);
for (int i = 0; i < rects.length; i++) {
Rectangle rect = rects[i];
if (rect.contains(x, y)) {
focusIndex = j;
redraw();
return result;
}
}
}
}
return result;
}
@Override
long /*int*/ gtk_motion_notify_event(long /*int*/ widget, long /*int*/ event) {
long /*int*/ result = super.gtk_motion_notify_event(widget, event);
if (result != 0) return result;
GdkEventMotion gdkEvent = new GdkEventMotion();
OS.memmove(gdkEvent, event, GdkEventMotion.sizeof);
int x = (int) gdkEvent.x;
int y = (int) gdkEvent.y;
if ((style & SWT.MIRRORED) != 0) x = getClientWidth() - x;
if ((gdkEvent.state & OS.GDK_BUTTON1_MASK) != 0) {
int oldSelection = selection.y;
selection.y = layout.getOffset(x, y, null);
if (selection.y != oldSelection) {
int newSelection = selection.y;
if (oldSelection > newSelection) {
int temp = oldSelection;
oldSelection = newSelection;
newSelection = temp;
}
Rectangle rect = layout.getBounds(oldSelection, newSelection);
redraw(rect.x, rect.y, rect.width, rect.height, false);
}
} else {
for (int j = 0; j < offsets.length; j++) {
Rectangle[] rects = getRectangles(j);
for (int i = 0; i < rects.length; i++) {
Rectangle rect = rects[i];
if (rect.contains(x, y)) {
setCursor(display.getSystemCursor(SWT.CURSOR_HAND));
return result;
}
}
}
setCursor(null);
}
return result;
}