/**
* Returns a rectangle describing the size and location relative to its parent of an image at a
* column in the table. An empty rectangle is returned if index exceeds the index of the table's
* last column.
*
* @param index the index that specifies the column
* @return the receiver's bounding image rectangle
* @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>
*/
public Rectangle getImageBounds(int index) {
checkWidget();
if (!parent.checkData(this)) error(SWT.ERROR_WIDGET_DISPOSED);
int /*long*/ parentHandle = parent.handle;
int /*long*/ column = 0;
if (index >= 0 && index < parent.columnCount) {
column = parent.columns[index].handle;
} else {
column = OS.gtk_tree_view_get_column(parentHandle, index);
}
if (column == 0) return new Rectangle(0, 0, 0, 0);
int /*long*/ pixbufRenderer = parent.getPixbufRenderer(column);
if (pixbufRenderer == 0) return new Rectangle(0, 0, 0, 0);
GdkRectangle rect = new GdkRectangle();
int /*long*/ path = OS.gtk_tree_model_get_path(parent.modelHandle, handle);
OS.gtk_widget_realize(parentHandle);
OS.gtk_tree_view_get_cell_area(parentHandle, path, column, rect);
OS.gtk_tree_path_free(path);
if ((parent.getStyle() & SWT.MIRRORED) != 0)
rect.x = parent.getClientWidth() - rect.width - rect.x;
/*
* The OS call gtk_cell_renderer_get_size() provides the width of image to be drawn
* by the cell renderer. If there is no image in the cell, the width is zero. If the table contains
* images of varying widths, gtk_cell_renderer_get_size() will return the width of the image,
* not the width of the area in which the image is drawn.
* New API was added in GTK 2.1.3 for determining the full width of the renderer area.
* For earlier versions of GTK, the result is only correct if all rows have images of the same
* width.
*/
if (OS.GTK_VERSION >= OS.VERSION(2, 1, 3)) {
int[] x = new int[1], w = new int[1];
OS.gtk_tree_view_column_cell_get_position(column, pixbufRenderer, x, w);
rect.x += x[0];
rect.width = w[0];
} else {
int[] w = new int[1];
OS.gtk_tree_view_column_cell_set_cell_data(column, parent.modelHandle, handle, false, false);
OS.gtk_cell_renderer_get_size(pixbufRenderer, parentHandle, null, null, null, w, null);
rect.width = w[0];
}
int width = OS.gtk_tree_view_column_get_visible(column) ? rect.width : 0;
return new Rectangle(rect.x, rect.y, width, rect.height + 1);
}
/**
* Returns a rectangle describing the receiver's size and location relative to its parent at a
* column in the table.
*
* @param index the index that specifies the column
* @return the receiver's bounding column rectangle
* @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>
*/
public Rectangle getBounds(int index) {
checkWidget();
if (!parent.checkData(this)) error(SWT.ERROR_WIDGET_DISPOSED);
int /*long*/ parentHandle = parent.handle;
int /*long*/ column = 0;
if (index >= 0 && index < parent.columnCount) {
column = parent.columns[index].handle;
} else {
column = OS.gtk_tree_view_get_column(parentHandle, index);
}
if (column == 0) return new Rectangle(0, 0, 0, 0);
int /*long*/ path = OS.gtk_tree_model_get_path(parent.modelHandle, handle);
OS.gtk_widget_realize(parentHandle);
GdkRectangle rect = new GdkRectangle();
OS.gtk_tree_view_get_cell_area(parentHandle, path, column, rect);
OS.gtk_tree_path_free(path);
if ((parent.getStyle() & SWT.MIRRORED) != 0)
rect.x = parent.getClientWidth() - rect.width - rect.x;
if (index == 0 && (parent.style & SWT.CHECK) != 0) {
if (OS.GTK_VERSION >= OS.VERSION(2, 1, 3)) {
int[] x = new int[1], w = new int[1];
OS.gtk_tree_view_column_cell_get_position(column, parent.checkRenderer, x, w);
rect.x += x[0] + w[0];
rect.width -= x[0] + w[0];
} else {
int[] w = new int[1];
OS.gtk_cell_renderer_get_size(
parent.checkRenderer, parentHandle, null, null, null, w, null);
int[] buffer = new int[1];
OS.gtk_widget_style_get(parentHandle, OS.horizontal_separator, buffer, 0);
rect.x += w[0] + buffer[0];
rect.width -= w[0] + buffer[0];
}
}
int width = OS.gtk_tree_view_column_get_visible(column) ? rect.width + 1 : 0;
return new Rectangle(rect.x, rect.y, width, rect.height + 1);
}
long /*int*/ childStyle() {
long /*int*/ rcStyle = OS.gtk_widget_get_modifier_style(handle);
if ((OS.gtk_rc_style_get_color_flags(rcStyle, 0) & OS.GTK_RC_BG) != 0) return 0;
OS.gtk_widget_realize(handle);
return OS.gtk_widget_get_style(handle);
}
/**
* Create a GLCanvas widget using the attributes described in the GLData object provided.
*
* @param parent a composite widget
* @param style the bitwise OR'ing of widget styles
* @param data the requested attributes of the GLCanvas
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT when the data is null
* <li>ERROR_UNSUPPORTED_DEPTH when the requested attributes cannot be provided
* </ul>
* </ul>
*/
public GLCanvas(Composite parent, int style, GLData data) {
super(parent, style);
if (data == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
int glxAttrib[] = new int[MAX_ATTRIBUTES];
int pos = 0;
glxAttrib[pos++] = GLX.GLX_RGBA;
if (data.doubleBuffer) glxAttrib[pos++] = GLX.GLX_DOUBLEBUFFER;
if (data.stereo) glxAttrib[pos++] = GLX.GLX_STEREO;
if (data.redSize > 0) {
glxAttrib[pos++] = GLX.GLX_RED_SIZE;
glxAttrib[pos++] = data.redSize;
}
if (data.greenSize > 0) {
glxAttrib[pos++] = GLX.GLX_GREEN_SIZE;
glxAttrib[pos++] = data.greenSize;
}
if (data.blueSize > 0) {
glxAttrib[pos++] = GLX.GLX_BLUE_SIZE;
glxAttrib[pos++] = data.blueSize;
}
if (data.alphaSize > 0) {
glxAttrib[pos++] = GLX.GLX_ALPHA_SIZE;
glxAttrib[pos++] = data.alphaSize;
}
if (data.depthSize > 0) {
glxAttrib[pos++] = GLX.GLX_DEPTH_SIZE;
glxAttrib[pos++] = data.depthSize;
}
if (data.stencilSize > 0) {
glxAttrib[pos++] = GLX.GLX_STENCIL_SIZE;
glxAttrib[pos++] = data.stencilSize;
}
if (data.accumRedSize > 0) {
glxAttrib[pos++] = GLX.GLX_ACCUM_RED_SIZE;
glxAttrib[pos++] = data.accumRedSize;
}
if (data.accumGreenSize > 0) {
glxAttrib[pos++] = GLX.GLX_ACCUM_GREEN_SIZE;
glxAttrib[pos++] = data.accumGreenSize;
}
if (data.accumBlueSize > 0) {
glxAttrib[pos++] = GLX.GLX_ACCUM_BLUE_SIZE;
glxAttrib[pos++] = data.accumBlueSize;
}
if (data.accumAlphaSize > 0) {
glxAttrib[pos++] = GLX.GLX_ACCUM_ALPHA_SIZE;
glxAttrib[pos++] = data.accumAlphaSize;
}
if (data.sampleBuffers > 0) {
glxAttrib[pos++] = GLX.GLX_SAMPLE_BUFFERS;
glxAttrib[pos++] = data.sampleBuffers;
}
if (data.samples > 0) {
glxAttrib[pos++] = GLX.GLX_SAMPLES;
glxAttrib[pos++] = data.samples;
}
glxAttrib[pos++] = 0;
OS.gtk_widget_realize(handle);
int /*long*/ window = OS.GTK_WIDGET_WINDOW(handle);
int /*long*/ xDisplay = OS.gdk_x11_drawable_get_xdisplay(window);
int /*long*/ infoPtr = GLX.glXChooseVisual(xDisplay, OS.XDefaultScreen(xDisplay), glxAttrib);
if (infoPtr == 0) {
dispose();
SWT.error(SWT.ERROR_UNSUPPORTED_DEPTH);
}
vinfo = new XVisualInfo();
GLX.memmove(vinfo, infoPtr, XVisualInfo.sizeof);
OS.XFree(infoPtr);
int /*long*/ screen = OS.gdk_screen_get_default();
int /*long*/ gdkvisual = OS.gdk_x11_screen_lookup_visual(screen, vinfo.visualid);
// FIXME- share lists
// context = GLX.glXCreateContext (xDisplay, info, share == null ? 0 : share.context, true);
context = GLX.glXCreateContext(xDisplay, vinfo, 0, true);
if (context == 0) SWT.error(SWT.ERROR_NO_HANDLES);
GdkWindowAttr attrs = new GdkWindowAttr();
attrs.width = 1;
attrs.height = 1;
attrs.event_mask =
OS.GDK_KEY_PRESS_MASK
| OS.GDK_KEY_RELEASE_MASK
| OS.GDK_FOCUS_CHANGE_MASK
| OS.GDK_POINTER_MOTION_MASK
| OS.GDK_BUTTON_PRESS_MASK
| OS.GDK_BUTTON_RELEASE_MASK
| OS.GDK_ENTER_NOTIFY_MASK
| OS.GDK_LEAVE_NOTIFY_MASK
| OS.GDK_EXPOSURE_MASK
| OS.GDK_VISIBILITY_NOTIFY_MASK
| OS.GDK_POINTER_MOTION_HINT_MASK;
attrs.window_type = OS.GDK_WINDOW_CHILD;
attrs.visual = gdkvisual;
glWindow = OS.gdk_window_new(window, attrs, OS.GDK_WA_VISUAL);
OS.gdk_window_set_user_data(glWindow, handle);
if ((style & SWT.NO_BACKGROUND) != 0) OS.gdk_window_set_back_pixmap(window, 0, false);
xWindow = OS.gdk_x11_drawable_get_xid(glWindow);
OS.gdk_window_show(glWindow);
Listener listener =
new Listener() {
public void handleEvent(Event event) {
switch (event.type) {
case SWT.Paint:
/**
* Bug in MESA. MESA does some nasty sort of polling to try and ensure that their
* buffer sizes match the current X state. This state can be updated using
* glViewport(). FIXME: There has to be a better way of doing this.
*/
int[] viewport = new int[4];
GLX.glGetIntegerv(GLX.GL_VIEWPORT, viewport);
GLX.glViewport(viewport[0], viewport[1], viewport[2], viewport[3]);
break;
case SWT.Resize:
Rectangle clientArea = getClientArea();
OS.gdk_window_move(glWindow, clientArea.x, clientArea.y);
OS.gdk_window_resize(glWindow, clientArea.width, clientArea.height);
break;
case SWT.Dispose:
int /*long*/ window = OS.GTK_WIDGET_WINDOW(handle);
int /*long*/ xDisplay = OS.gdk_x11_drawable_get_xdisplay(window);
if (context != 0) {
if (GLX.glXGetCurrentContext() == context) {
GLX.glXMakeCurrent(xDisplay, 0, 0);
}
GLX.glXDestroyContext(xDisplay, context);
context = 0;
}
if (glWindow != 0) {
OS.gdk_window_destroy(glWindow);
glWindow = 0;
}
break;
}
}
};
addListener(SWT.Resize, listener);
addListener(SWT.Paint, listener);
addListener(SWT.Dispose, listener);
}
/**
* Returns a rectangle describing the size and location relative to its parent of the text at a
* column in the table. An empty rectangle is returned if index exceeds the index of the table's
* last column.
*
* @param index the index that specifies the column
* @return the receiver's bounding text rectangle
* @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 3.3
*/
public Rectangle getTextBounds(int index) {
checkWidget();
if (!parent.checkData(this)) error(SWT.ERROR_WIDGET_DISPOSED);
int count = Math.max(1, parent.getColumnCount());
if (0 > index || index > count - 1) return new Rectangle(0, 0, 0, 0);
// TODO fully test on early and later versions of GTK
// shifted a bit too far right on later versions of GTK - however, old Tree also had this
// problem
int /*long*/ parentHandle = parent.handle;
int /*long*/ column = 0;
if (index >= 0 && index < parent.columnCount) {
column = parent.columns[index].handle;
} else {
column = OS.gtk_tree_view_get_column(parentHandle, index);
}
if (column == 0) return new Rectangle(0, 0, 0, 0);
int /*long*/ textRenderer = parent.getTextRenderer(column);
int /*long*/ pixbufRenderer = parent.getPixbufRenderer(column);
if (textRenderer == 0 || pixbufRenderer == 0) return new Rectangle(0, 0, 0, 0);
int /*long*/ path = OS.gtk_tree_model_get_path(parent.modelHandle, handle);
OS.gtk_widget_realize(parentHandle);
boolean isExpander = OS.gtk_tree_model_iter_n_children(parent.modelHandle, handle) > 0;
boolean isExpanded = OS.gtk_tree_view_row_expanded(parentHandle, path);
OS.gtk_tree_view_column_cell_set_cell_data(
column, parent.modelHandle, handle, isExpander, isExpanded);
GdkRectangle rect = new GdkRectangle();
OS.gtk_tree_view_get_cell_area(parentHandle, path, column, rect);
OS.gtk_tree_path_free(path);
if ((parent.getStyle() & SWT.MIRRORED) != 0)
rect.x = parent.getClientWidth() - rect.width - rect.x;
int right = rect.x + rect.width;
int[] x = new int[1], w = new int[1];
parent.ignoreSize = true;
OS.gtk_cell_renderer_get_size(textRenderer, parentHandle, null, null, null, w, null);
parent.ignoreSize = false;
int[] buffer = new int[1];
if (OS.gtk_tree_view_get_expander_column(parentHandle) == column) {
OS.gtk_widget_style_get(parentHandle, OS.expander_size, buffer, 0);
rect.x += buffer[0] + TreeItem.EXPANDER_EXTRA_PADDING;
}
OS.gtk_widget_style_get(parentHandle, OS.horizontal_separator, buffer, 0);
int horizontalSeparator = buffer[0];
rect.x += horizontalSeparator;
if (OS.GTK_VERSION >= OS.VERSION(2, 1, 3)) {
OS.gtk_tree_view_column_cell_get_position(column, textRenderer, x, null);
rect.x += x[0];
} else {
if ((parent.style & SWT.CHECK) != 0) {
OS.gtk_cell_renderer_get_size(
parent.checkRenderer, parentHandle, null, null, null, w, null);
rect.x += w[0] + horizontalSeparator;
}
OS.gtk_cell_renderer_get_size(pixbufRenderer, parentHandle, null, null, null, w, null);
rect.x += w[0] + horizontalSeparator;
}
if (parent.columnCount > 0) {
if (rect.x + rect.width > right) {
rect.width = Math.max(0, right - rect.x);
}
}
int width = OS.gtk_tree_view_column_get_visible(column) ? rect.width + 1 : 0;
return new Rectangle(rect.x, rect.y, width, rect.height + 1);
}