Multiline Text Editing Widget (3)

最新推荐文章于 2005-06-04 10:29:00 发布

转载最新推荐文章于 2005-06-04 10:29:00 发布 · 1.4k 阅读

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#buffer #gtk #object #null

博客介绍了GTK文本中与剪贴板相关的常见操作，如剪切、复制和粘贴。需先获取剪贴板对象，然后可将选中文本复制或剪切到剪贴板，也能从剪贴板粘贴文本。

From: http://www.bravegnu.org/gtktext/x234.html


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3. Cut, Copy and Paste

In this section you will learn how to do common clipboard related activities like cut, copy and paste. First, you will have to get hold of a clipboard object using

GtkClipboard *gtk_clipboard_get( GdkAtom selection );

Usually, a value of GDK_NONE is passed to selection, which gives the default clipboard. A value of GDK_SELECTION_PRIMARY identifies the primary X selection.

Selected text can be then copied to the clipboard using

void gtk_text_buffer_copy_clipboard( GtkTextBuffer *buffer,
                                     GtkClipboard *clipboard );

The clipboard is a clipboard object obtained from gtk_clipboard_get.

Selected text can be cut to the clipboard using

void gtk_text_buffer_cut_clipboard( GtkTextBuffer *buffer,
                                    GtkClipboard *clipboard, 
                                    gboolean default_editable );

For portions of the selected text that do not have the editable tag applied, the edit-ability is assumed from default_editable.

Text can be pasted from the clipboard using

void gtk_text_buffer_paste_clipboard( GtkTextBuffer *buffer,
                                      GtkClipboard *clipboard,
                                      GtkTextIter *override_location,
                                      gboolean default_editable );

If override_location is not NULL, text is inserted at the iter specified by override_location. Else, text is inserted at the current cursor location.