void setSelection(int index, boolean notify) { if (index < 0) return; int oldIndex = OS.gtk_notebook_get_current_page(handle); if (oldIndex == index) return; if (oldIndex != -1) { TabItem item = items[oldIndex]; Control control = item.control; if (control != null && !control.isDisposed()) { control.setVisible(false); } } 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, index); OS.g_signal_handlers_unblock_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE); int newIndex = OS.gtk_notebook_get_current_page(handle); if (newIndex != -1) { TabItem item = items[newIndex]; Control control = item.control; if (control != null && !control.isDisposed()) { control.setBounds(getClientArea()); control.setVisible(true); } if (notify) { Event event = new Event(); event.item = item; sendSelectionEvent(SWT.Selection, event, true); } } }
void destroyItem(TabItem item) { int index = 0; int itemCount = getItemCount(); while (index < itemCount) { if (items[index] == item) break; index++; } if (index == itemCount) error(SWT.ERROR_ITEM_NOT_REMOVED); int oldIndex = OS.gtk_notebook_get_current_page(handle); OS.g_signal_handlers_block_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE); OS.gtk_notebook_remove_page(handle, index); OS.g_signal_handlers_unblock_matched(handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, SWITCH_PAGE); System.arraycopy(items, index + 1, items, index, --itemCount - index); items[itemCount] = null; if (index == oldIndex) { int newIndex = OS.gtk_notebook_get_current_page(handle); if (newIndex != -1) { Control control = items[newIndex].getControl(); if (control != null && !control.isDisposed()) { control.setBounds(getClientArea()); control.setVisible(true); } Event event = new Event(); event.item = items[newIndex]; sendSelectionEvent(SWT.Selection, event, true); // the widget could be destroyed at this point } } }
long /*int*/ gtk_activate(long /*int*/ widget) { Event event = new Event(); event.item = this; int type = OS.gtk_expander_get_expanded(handle) ? SWT.Collapse : SWT.Expand; parent.sendEvent(type, event); return 0; }
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 } }
long /*int*/ gtk_switch_page(long /*int*/ widget, long /*int*/ page, long /*int*/ page_num) { int index = OS.gtk_notebook_get_current_page(handle); if (index != -1) { Control control = items[index].getControl(); if (control != null && !control.isDisposed()) { control.setVisible(false); } } TabItem item = items[(int) /*64*/ page_num]; Control control = item.getControl(); if (control != null && !control.isDisposed()) { control.setBounds(getClientArea()); control.setVisible(true); } Event event = new Event(); event.item = item; sendSelectionEvent(SWT.Selection, event, false); return 0; }