void createItem(TabItem item, int index) { long /*int*/ list = OS.gtk_container_get_children(handle); int itemCount = 0; if (list != 0) { itemCount = OS.g_list_length(list); OS.g_list_free(list); } if (!(0 <= index && index <= itemCount)) error(SWT.ERROR_INVALID_RANGE); if (itemCount == items.length) { TabItem[] newItems = new TabItem[items.length + 4]; System.arraycopy(items, 0, newItems, 0, items.length); items = newItems; } long /*int*/ boxHandle = gtk_box_new(OS.GTK_ORIENTATION_HORIZONTAL, false, 0); if (boxHandle == 0) error(SWT.ERROR_NO_HANDLES); long /*int*/ labelHandle = OS.gtk_label_new_with_mnemonic(null); if (labelHandle == 0) error(SWT.ERROR_NO_HANDLES); long /*int*/ imageHandle = OS.gtk_image_new(); if (imageHandle == 0) error(SWT.ERROR_NO_HANDLES); OS.gtk_container_add(boxHandle, imageHandle); OS.gtk_container_add(boxHandle, labelHandle); long /*int*/ pageHandle = OS.g_object_new(display.gtk_fixed_get_type(), 0); if (pageHandle == 0) error(SWT.ERROR_NO_HANDLES); if (OS.GTK3) { OS.gtk_widget_override_background_color(pageHandle, OS.GTK_STATE_FLAG_NORMAL, new GdkRGBA()); long /*int*/ region = OS.gdk_region_new(); OS.gtk_widget_input_shape_combine_region(pageHandle, region); OS.gdk_region_destroy(region); } OS.g_signal_handlers_block_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE); OS.gtk_notebook_insert_page(handle, pageHandle, boxHandle, index); OS.g_signal_handlers_unblock_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE); OS.gtk_widget_show(boxHandle); OS.gtk_widget_show(labelHandle); OS.gtk_widget_show(pageHandle); item.state |= HANDLE; item.handle = boxHandle; item.labelHandle = labelHandle; item.imageHandle = imageHandle; item.pageHandle = pageHandle; System.arraycopy(items, index, items, index + 1, itemCount++ - index); items[index] = item; if ((state & FOREGROUND) != 0) { item.setForegroundColor(getForegroundColor()); } if ((state & FONT) != 0) { item.setFontDescription(getFontDescription()); } if (itemCount == 1) { OS.g_signal_handlers_block_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE); OS.gtk_notebook_set_current_page(handle, 0); OS.g_signal_handlers_unblock_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE); Event event = new Event(); event.item = items[0]; sendSelectionEvent(SWT.Selection, event, false); // the widget could be destroyed at this point } }
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); }