GTK Gossip: GtkToolBar
2010-12-10 14:02
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GtkToolBar 可以讓您製作工具列,將一些常用指令群組並依使用者需求而顯示於使用介面上,要建立GtkToolBar,只要使用gtk_toolbar_new()函 式,要插入一個項目,則使用gtk_toolbar_insert(),所插入的項目是GtkToolItem的實例,而GtkToolItem可以直接 使用gtk_tool_item_set_tooltip_text()設定提示文字,但若您要設定影像與文字,則必須知道,GtkToolItem是 GtkBin的子類這個事實: GtkContainer +----GtkBin +----GtkToolItem 所以若您要插入影像或文字,或者是其它的元件,例如按鈕等,則要類似 影 像及文字按鈕 中介紹的方式自行處理。 下面的範例,使用 GtkMenuBar、GtkMenu 與 GtkMenuItem 中的範例為基礎,加上了工具列的功能,其中關於GtkToolBar設定相關的部份,已使用粗體字加以標示: gtk_tool_bar_demo.c #include <gtk/gtk.h> void itemPressed(GtkMenuItem *menuItem, gpointer data) { g_print("%s/n", data); } GtkWidget* createFileMenuItem() { GtkWidget *rootFileItem; GtkWidget *fileMenu; GtkWidget *openMenuItem; GtkWidget *saveMenuItem; GtkWidget *closeMenuItem; rootFileItem = gtk_menu_item_new_with_mnemonic("_File"); fileMenu = gtk_menu_new(); openMenuItem = gtk_menu_item_new_with_label("Open"); saveMenuItem = gtk_menu_item_new_with_label("Save"); closeMenuItem = gtk_menu_item_new_with_label("Close"); gtk_menu_shell_append(GTK_MENU_SHELL(fileMenu), openMenuItem); gtk_menu_shell_append(GTK_MENU_SHELL(fileMenu), saveMenuItem); gtk_menu_shell_append(GTK_MENU_SHELL(fileMenu), gtk_separator_menu_item_new()); gtk_menu_shell_append(GTK_MENU_SHELL(fileMenu), closeMenuItem); gtk_menu_item_set_submenu(GTK_MENU_ITEM(rootFileItem), fileMenu); g_signal_connect(GTK_OBJECT(openMenuItem), "activate", G_CALLBACK(itemPressed), "Open ...."); g_signal_connect(GTK_OBJECT(saveMenuItem), "activate", G_CALLBACK(itemPressed), "Save ...."); g_signal_connect(GTK_OBJECT(closeMenuItem), "activate", G_CALLBACK(gtk_main_quit), NULL); return rootFileItem; } // 建立一個內含按鈕、文字與圖片的GtkToolItem GtkToolItem* createToolItem(gchar *stock_id, gchar *text) { GtkToolItem *open; GtkWidget *box; GtkWidget *label; GtkWidget *image; GtkWidget *button; open = gtk_tool_item_new(); gtk_tool_item_set_tooltip_text(open, "Open File.."); box = gtk_vbox_new(FALSE, 0); image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_SMALL_TOOLBAR); label = gtk_label_new(text); gtk_box_pack_start(GTK_BOX(box), image, FALSE, FALSE, 0); gtk_box_pack_start(GTK_BOX(box), label, FALSE, FALSE, 0); button = gtk_button_new(); gtk_container_add(GTK_CONTAINER(button), box); gtk_container_add(GTK_CONTAINER(open), button); return open; } int main(int argc, char *argv[]) { GtkWidget *window; GtkWidget *menubarBox; GtkWidget *toolbarBox; GtkWidget *vbox; GtkWidget *menubar; GtkWidget *toolbar; gtk_init(&argc, &argv); window = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_window_set_title(GTK_WINDOW(window), "GtkToolBar"); gtk_window_set_default_size(GTK_WINDOW(window), 400, 300); menubar = gtk_menu_bar_new(); gtk_menu_bar_append(menubar, createFileMenuItem()); gtk_menu_bar_append(menubar, gtk_menu_item_new_with_mnemonic("_Edit")); gtk_menu_bar_append(menubar, gtk_menu_item_new_with_mnemonic("_Help")); vbox = gtk_vbox_new(FALSE, 0); menubarBox = gtk_handle_box_new(); gtk_container_add(GTK_CONTAINER(menubarBox), menubar); gtk_box_pack_start(GTK_BOX(vbox), menubarBox, FALSE, FALSE, 0); toolbar = gtk_toolbar_new(); gtk_toolbar_insert(GTK_TOOLBAR(toolbar), createToolItem(GTK_STOCK_OPEN, "Open"), 0); gtk_toolbar_insert(GTK_TOOLBAR(toolbar), createToolItem(GTK_STOCK_SAVE, "Save"), 1); toolbarBox = gtk_handle_box_new(); gtk_container_add(GTK_CONTAINER(toolbarBox), toolbar); gtk_box_pack_start(GTK_BOX(vbox), toolbarBox, FALSE, FALSE, 0); gtk_container_add(GTK_CONTAINER(window), vbox); g_signal_connect(GTK_OBJECT(window), "destroy", G_CALLBACK(gtk_main_quit), NULL); gtk_widget_show_all(window); gtk_main(); return 0; } 執行的結果如下所示: |
Impr |
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