Color _getForeground() {
int /*long*/[] ptr = new int /*long*/[1];
OS.gtk_tree_model_get(parent.modelHandle, handle, Table.FOREGROUND_COLUMN, ptr, -1);
if (ptr[0] == 0) return parent.getForeground();
GdkColor gdkColor = new GdkColor();
OS.memmove(gdkColor, ptr[0], GdkColor.sizeof);
return Color.gtk_new(display, gdkColor);
}
/**
* Sets the background color at the given column index in the receiver to the color specified by
* the argument, or to the default system color for the item if the argument is null.
*
* @param index the column index
* @param color the new color (or null)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*
* @since 3.0
*/
public void setBackground(int index, Color color) {
checkWidget();
if (color != null && color.isDisposed()) {
SWT.error(SWT.ERROR_INVALID_ARGUMENT);
}
if (_getBackground(index).equals(color)) return;
int count = Math.max(1, parent.getColumnCount());
if (0 > index || index > count - 1) return;
int modelIndex =
parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex;
GdkColor gdkColor = color != null ? color.handle : null;
OS.gtk_list_store_set(
parent.modelHandle, handle, modelIndex + Table.CELL_BACKGROUND, gdkColor, -1);
/*
* Bug in GTK. When using fixed-height-mode,
* row changes do not cause the row to be repainted. The fix is to
* invalidate the row when it is cleared.
*/
if ((parent.style & SWT.VIRTUAL) != 0) {
if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2) && OS.GTK_VERSION < OS.VERSION(2, 6, 3)) {
redraw();
}
}
cached = true;
if (color != null) {
boolean customDraw =
(parent.columnCount == 0) ? parent.firstCustomDraw : parent.columns[index].customDraw;
if (!customDraw) {
if ((parent.style & SWT.VIRTUAL) == 0) {
int /*long*/ parentHandle = parent.handle;
int /*long*/ column = 0;
if (parent.columnCount > 0) {
column = parent.columns[index].handle;
} else {
column = OS.gtk_tree_view_get_column(parentHandle, index);
}
if (column == 0) return;
int /*long*/ textRenderer = parent.getTextRenderer(column);
int /*long*/ imageRenderer = parent.getPixbufRenderer(column);
OS.gtk_tree_view_column_set_cell_data_func(
column, textRenderer, display.cellDataProc, parentHandle, 0);
OS.gtk_tree_view_column_set_cell_data_func(
column, imageRenderer, display.cellDataProc, parentHandle, 0);
}
if (parent.columnCount == 0) {
parent.firstCustomDraw = true;
} else {
parent.columns[index].customDraw = true;
}
}
}
}
Color _getForeground(int index) {
int count = Math.max(1, parent.columnCount);
if (0 > index || index > count - 1) return _getForeground();
int /*long*/[] ptr = new int /*long*/[1];
int modelIndex =
parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex;
OS.gtk_tree_model_get(parent.modelHandle, handle, modelIndex + Table.CELL_FOREGROUND, ptr, -1);
if (ptr[0] == 0) return _getForeground();
GdkColor gdkColor = new GdkColor();
OS.memmove(gdkColor, ptr[0], GdkColor.sizeof);
return Color.gtk_new(display, gdkColor);
}
/**
* Sets the receiver's background color to the color specified by the argument, or to the default
* system color for the item if the argument is null.
*
* @param color the new color (or null)
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*
* @since 2.0
*/
public void setBackground(Color color) {
checkWidget();
if (color != null && color.isDisposed()) {
SWT.error(SWT.ERROR_INVALID_ARGUMENT);
}
if (_getBackground().equals(color)) return;
GdkColor gdkColor = color != null ? color.handle : null;
OS.gtk_list_store_set(parent.modelHandle, handle, Table.BACKGROUND_COLUMN, gdkColor, -1);
/*
* Bug in GTK. When using fixed-height-mode,
* row changes do not cause the row to be repainted. The fix is to
* invalidate the row when it is cleared.
*/
if ((parent.style & SWT.VIRTUAL) != 0) {
if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2) && OS.GTK_VERSION < OS.VERSION(2, 6, 3)) {
redraw();
}
}
cached = true;
}
int /*long*/ gtk_preedit_changed(int /*long*/ imcontext) {
if (!isInlineEnabled()) return 0;
ranges = null;
styles = null;
commitCount = 0;
int /*long*/ imHandle = imHandle();
int /*long*/[] preeditString = new int /*long*/[1];
int /*long*/[] pangoAttrs = new int /*long*/[1];
int[] cursorPos = new int[1];
OS.gtk_im_context_get_preedit_string(imHandle, preeditString, pangoAttrs, cursorPos);
caretOffset = cursorPos[0];
char[] chars = null;
if (preeditString[0] != 0) {
int length = OS.strlen(preeditString[0]);
byte[] buffer = new byte[length];
OS.memmove(buffer, preeditString[0], length);
chars = Converter.mbcsToWcs(null, buffer);
if (pangoAttrs[0] != 0) {
int count = 0;
int /*long*/ iterator = OS.pango_attr_list_get_iterator(pangoAttrs[0]);
while (OS.pango_attr_iterator_next(iterator)) count++;
OS.pango_attr_iterator_destroy(iterator);
ranges = new int[count * 2];
styles = new TextStyle[count];
iterator = OS.pango_attr_list_get_iterator(pangoAttrs[0]);
PangoAttrColor attrColor = new PangoAttrColor();
PangoAttrInt attrInt = new PangoAttrInt();
int[] start = new int[1];
int[] end = new int[1];
for (int i = 0; i < count; i++) {
OS.pango_attr_iterator_range(iterator, start, end);
ranges[i * 2] =
(int) /*64*/
OS.g_utf16_pointer_to_offset(preeditString[0], preeditString[0] + start[0]);
ranges[i * 2 + 1] =
(int) /*64*/ OS.g_utf16_pointer_to_offset(preeditString[0], preeditString[0] + end[0])
- 1;
styles[i] = new TextStyle(null, null, null);
int /*long*/ attr = OS.pango_attr_iterator_get(iterator, OS.PANGO_ATTR_FOREGROUND);
if (attr != 0) {
OS.memmove(attrColor, attr, PangoAttrColor.sizeof);
GdkColor color = new GdkColor();
color.red = attrColor.color_red;
color.green = attrColor.color_green;
color.blue = attrColor.color_blue;
styles[i].foreground = Color.gtk_new(display, color);
}
attr = OS.pango_attr_iterator_get(iterator, OS.PANGO_ATTR_BACKGROUND);
if (attr != 0) {
OS.memmove(attrColor, attr, PangoAttrColor.sizeof);
GdkColor color = new GdkColor();
color.red = attrColor.color_red;
color.green = attrColor.color_green;
color.blue = attrColor.color_blue;
styles[i].background = Color.gtk_new(display, color);
}
attr = OS.pango_attr_iterator_get(iterator, OS.PANGO_ATTR_UNDERLINE);
if (attr != 0) {
OS.memmove(attrInt, attr, PangoAttrInt.sizeof);
styles[i].underline = attrInt.value != OS.PANGO_UNDERLINE_NONE;
;
styles[i].underlineStyle = SWT.UNDERLINE_SINGLE;
switch (attrInt.value) {
case OS.PANGO_UNDERLINE_DOUBLE:
styles[i].underlineStyle = SWT.UNDERLINE_DOUBLE;
break;
case OS.PANGO_UNDERLINE_ERROR:
styles[i].underlineStyle = SWT.UNDERLINE_ERROR;
break;
}
if (styles[i].underline) {
attr = OS.pango_attr_iterator_get(iterator, OS.PANGO_ATTR_UNDERLINE_COLOR);
if (attr != 0) {
OS.memmove(attrColor, attr, PangoAttrColor.sizeof);
GdkColor color = new GdkColor();
color.red = attrColor.color_red;
color.green = attrColor.color_green;
color.blue = attrColor.color_blue;
styles[i].underlineColor = Color.gtk_new(display, color);
}
}
}
OS.pango_attr_iterator_next(iterator);
}
OS.pango_attr_iterator_destroy(iterator);
OS.pango_attr_list_unref(pangoAttrs[0]);
}
OS.g_free(preeditString[0]);
}
if (chars != null) {
if (text.length() == 0) {
/*
* Bug in GTK. In Solaris, the IME sends multiple
* preedit_changed signals with an empty text.
* This behavior is not correct for SWT and can
* cause the editor to replace its current selection
* with an empty string. The fix is to ignore any
* preedit_changed signals with an empty text when
* the preedit buffer is already empty.
*/
if (chars.length == 0) return 0;
startOffset = -1;
}
int end = startOffset + text.length();
if (startOffset == -1) {
Event event = new Event();
event.detail = SWT.COMPOSITION_SELECTION;
sendEvent(SWT.ImeComposition, event);
startOffset = event.start;
end = event.end;
}
inComposition = true;
Event event = new Event();
event.detail = SWT.COMPOSITION_CHANGED;
event.start = startOffset;
event.end = end;
event.text = text = chars != null ? new String(chars) : "";
sendEvent(SWT.ImeComposition, event);
}
return 1;
}