void hookEvents() {
super.hookEvents();
if ((style & SWT.SEPARATOR) != 0) return;
OS.g_signal_connect_closure(handle, OS.clicked, display.closures[CLICKED], false);
/*
* Feature in GTK. GtkToolItem does not respond to basic listeners
* such as button-press, enter-notify to it. The fix is to assign
* the listener to child (GtkButton) of the tool-item.
*/
eventHandle = OS.gtk_bin_get_child(handle);
if ((style & SWT.DROP_DOWN) != 0 && OS.GTK_VERSION >= OS.VERSION(2, 6, 0)) {
long /*int*/ list = OS.gtk_container_get_children(eventHandle);
eventHandle = OS.g_list_nth_data(list, 0);
if (arrowHandle != 0)
OS.g_signal_connect_closure(arrowHandle, OS.clicked, display.closures[CLICKED], false);
}
OS.g_signal_connect_closure(
handle, OS.create_menu_proxy, display.closures[CREATE_MENU_PROXY], false);
OS.g_signal_connect_closure_by_id(
eventHandle,
display.signalIds[ENTER_NOTIFY_EVENT],
0,
display.closures[ENTER_NOTIFY_EVENT],
false);
OS.g_signal_connect_closure_by_id(
eventHandle,
display.signalIds[LEAVE_NOTIFY_EVENT],
0,
display.closures[LEAVE_NOTIFY_EVENT],
false);
OS.g_signal_connect_closure_by_id(
eventHandle, display.signalIds[FOCUS_IN_EVENT], 0, display.closures[FOCUS_IN_EVENT], false);
OS.g_signal_connect_closure_by_id(
eventHandle,
display.signalIds[FOCUS_OUT_EVENT],
0,
display.closures[FOCUS_OUT_EVENT],
false);
/*
* Feature in GTK. Usually, GTK widgets propagate all events to their
* parent when they are done their own processing. However, in contrast
* to other widgets, the buttons that make up the tool items, do not propagate
* the mouse up/down events. It is interesting to note that they DO propagate
* mouse motion events. The fix is to explicitly forward mouse up/down events
* to the parent.
*/
int mask =
OS.GDK_EXPOSURE_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_KEY_PRESS_MASK
| OS.GDK_KEY_RELEASE_MASK
| OS.GDK_FOCUS_CHANGE_MASK;
OS.gtk_widget_add_events(eventHandle, mask);
OS.g_signal_connect_closure_by_id(
eventHandle,
display.signalIds[BUTTON_PRESS_EVENT],
0,
display.closures[BUTTON_PRESS_EVENT],
false);
OS.g_signal_connect_closure_by_id(
eventHandle,
display.signalIds[BUTTON_RELEASE_EVENT],
0,
display.closures[BUTTON_RELEASE_EVENT],
false);
OS.g_signal_connect_closure_by_id(
eventHandle, display.signalIds[EVENT_AFTER], 0, display.closures[EVENT_AFTER], false);
long /*int*/ topHandle = topHandle();
OS.g_signal_connect_closure_by_id(
topHandle, display.signalIds[MAP], 0, display.closures[MAP], true);
}
void createHandle(int index) {
state |= HANDLE;
int bits = SWT.SEPARATOR | SWT.RADIO | SWT.CHECK | SWT.PUSH | SWT.DROP_DOWN;
if ((style & SWT.SEPARATOR) == 0) {
labelHandle = OS.gtk_label_new_with_mnemonic(null);
if (labelHandle == 0) error(SWT.ERROR_NO_HANDLES);
imageHandle = OS.gtk_image_new_from_pixbuf(0);
if (imageHandle == 0) error(SWT.ERROR_NO_HANDLES);
}
switch (style & bits) {
case SWT.SEPARATOR:
handle = OS.gtk_separator_tool_item_new();
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
OS.gtk_separator_tool_item_set_draw(handle, true);
break;
case SWT.DROP_DOWN:
if (OS.GTK_VERSION >= OS.VERSION(2, 6, 0)) {
handle = OS.gtk_menu_tool_button_new(0, null);
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
/*
* Feature in GTK. The arrow button of DropDown tool-item is
* disabled when it does not contain menu. The fix is to
* find the arrow button handle and enable it.
*/
long /*int*/ child = OS.gtk_bin_get_child(handle);
long /*int*/ list = OS.gtk_container_get_children(child);
arrowHandle = OS.g_list_nth_data(list, 1);
OS.gtk_widget_set_sensitive(arrowHandle, true);
OS.gtk_widget_set_size_request(OS.gtk_bin_get_child(arrowHandle), 8, 6);
} else {
/*
* GTK does not support GtkMenuToolButton until 2.6.
* So, we try to emulate it on the un-supported version.
*/
handle = OS.gtk_tool_button_new(0, null);
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
arrowBoxHandle = OS.gtk_hbox_new(false, 0);
if (arrowBoxHandle == 0) error(SWT.ERROR_NO_HANDLES);
arrowHandle = OS.gtk_arrow_new(OS.GTK_ARROW_DOWN, OS.GTK_SHADOW_NONE);
if (arrowHandle == 0) error(SWT.ERROR_NO_HANDLES);
OS.gtk_widget_set_size_request(arrowHandle, 8, 6);
OS.gtk_container_add(arrowBoxHandle, labelHandle);
OS.gtk_container_add(arrowBoxHandle, arrowHandle);
/*
* As we are try to emulate GtkMenuToolButton and in order
* to display both the label and image, it is required
* the set the toolitem as important. This will entitle
* to display the label all the times.
*/
OS.gtk_tool_item_set_is_important(handle, true);
}
break;
case SWT.RADIO:
/*
* Because GTK enforces radio behavior in a button group
* a radio group is not created for each set of contiguous
* buttons, each radio button will not draw unpressed.
* The fix is to use toggle buttons instead.
*/
case SWT.CHECK:
handle = OS.gtk_toggle_tool_button_new();
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
break;
case SWT.PUSH:
default:
handle = OS.gtk_tool_button_new(0, null);
if (handle == 0) error(SWT.ERROR_NO_HANDLES);
break;
}
if (labelHandle != 0) {
OS.gtk_tool_button_set_label_widget(handle, labelHandle);
}
if (imageHandle != 0) {
OS.gtk_tool_button_set_icon_widget(handle, imageHandle);
}
if ((parent.state & FOREGROUND) != 0) {
setForegroundColor(parent.getForegroundColor());
}
if ((parent.state & FONT) != 0) {
setFontDescription(parent.getFontDescription());
}
/*
* Feature in GTK. GtkToolButton class uses this property to
* determine whether to show or hide its label when the toolbar
* style is GTK_TOOLBAR_BOTH_HORIZ (or SWT.RIGHT).
*/
if ((parent.style & SWT.RIGHT) != 0) OS.gtk_tool_item_set_is_important(handle, true);
if ((style & SWT.SEPARATOR) == 0) OS.gtk_tool_button_set_use_underline(handle, true);
}