gtk-drag-and-drop.html

该压缩包包含了GTK+的大量API函数

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><TT
CLASS="PARAMETER"
><I
>colormap</I
></TT
>&nbsp;:</TD
><TD
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>the colormap of the icon</TD
></TR
><TR
><TD
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><TT
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><I
>pixmap</I
></TT
>&nbsp;:</TD
><TD
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>the image data for the icon</TD
></TR
><TR
><TD
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><TT
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><I
>mask</I
></TT
>&nbsp;:</TD
><TD
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>the transparency mask for an image.</TD
></TR
><TR
><TD
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><TT
CLASS="PARAMETER"
><I
>hot_x</I
></TT
>&nbsp;:</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
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>The X offset within <TT
CLASS="PARAMETER"
><I
>widget</I
></TT
> of the hotspot.</TD
></TR
><TR
><TD
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><TT
CLASS="PARAMETER"
><I
>hot_y</I
></TT
>&nbsp;:</TD
><TD
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>The Y offset within <TT
CLASS="PARAMETER"
><I
>widget</I
></TT
> of the hotspot.
&#13;</TD
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><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN7427"
></A
><H3
><A
NAME="GTK-DRAG-SET-ICON-DEFAULT"
></A
>gtk_drag_set_icon_default ()</H3
><TABLE
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><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void        gtk_drag_set_icon_default       (<A
HREF=../gdk/gdk-drag-and-drop.html#GDKDRAGCONTEXT
>GdkDragContext</A> *context);</PRE
></TD
></TR
></TABLE
><P
>Set the icon for a particular drag to the default
icon.</P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN7433"
></A
><P
></P
><TABLE
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><TBODY
><TR
><TD
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><TT
CLASS="PARAMETER"
><I
>context</I
></TT
>&nbsp;:</TD
><TD
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>the context for a drag. (This must be called 
          with a  context for the source side of a drag)
&#13;</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN7442"
></A
><H3
><A
NAME="GTK-DRAG-SET-DEFAULT-ICON"
></A
>gtk_drag_set_default_icon ()</H3
><TABLE
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><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void        gtk_drag_set_default_icon       (<A
HREF=../gdk/gdk-colormaps-and-colors.html#GDKCOLORMAP
>GdkColormap</A> *colormap,
                                             <A
HREF=../gdk/gdk-bitmaps-and-pixmaps.html#GDKPIXMAP
>GdkPixmap</A> *pixmap,
                                             <A
HREF=../gdk/gdk-bitmaps-and-pixmaps.html#GDKBITMAP
>GdkBitmap</A> *mask,
                                             <A
HREF=../glib/glib-basic-types.html#GINT
>gint</A> hot_x,
                                             <A
HREF=../glib/glib-basic-types.html#GINT
>gint</A> hot_y);</PRE
></TD
></TR
></TABLE
><P
>Change the default drag icon. GTK+ retains a reference count for the
arguments, and will release them when they are no longer needed.</P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN7452"
></A
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TBODY
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>colormap</I
></TT
>&nbsp;:</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
>the colormap of the icon</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>pixmap</I
></TT
>&nbsp;:</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
>the image data for the icon</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>mask</I
></TT
>&nbsp;:</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
>the transparency mask for an image.</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>hot_x</I
></TT
>&nbsp;:</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
>The X offset within <TT
CLASS="PARAMETER"
><I
>widget</I
></TT
> of the hotspot.</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>hot_y</I
></TT
>&nbsp;:</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
>The Y offset within <TT
CLASS="PARAMETER"
><I
>widget</I
></TT
> of the hotspot.
&#13;</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN7479"
></A
><H3
><A
NAME="GTK-DRAG-SOURCE-SET"
></A
>gtk_drag_source_set ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void        gtk_drag_source_set             (<A
HREF="gtkwidget.html"
>GtkWidget</A
> *widget,
                                             <A
HREF=../gdk/gdk-windows.html#GDKMODIFIERTYPE
>GdkModifierType</A> start_button_mask,
                                             const <A
HREF="gtk-selections.html#GTKTARGETENTRY"
>GtkTargetEntry</A
> *targets,
                                             <A
HREF=../glib/glib-basic-types.html#GINT
>gint</A> n_targets,
                                             <A
HREF=../gdk/gdk-drag-and-drop.html#GDKDRAGACTION
>GdkDragAction</A> actions);</PRE
></TD
></TR
></TABLE
><P
>Sets up a widget so that GTK+ will start a drag
operation when the user clicks and drags on the
widget. The widget must have a window.</P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN7489"
></A
><P
></P
><TABLE
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CELLPADDING="4"
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><TBODY
><TR
><TD
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ALIGN="RIGHT"
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><TT
CLASS="PARAMETER"
><I
>widget</I
></TT
>&nbsp;:</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
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>a <A
HREF="gtkwidget.html"
>GtkWidget</A
></TD
></TR
><TR
><TD
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><TT
CLASS="PARAMETER"
><I
>start_button_mask</I
></TT
>&nbsp;:</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
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>the bitmask of buttons that can start the drag</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
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><TT
CLASS="PARAMETER"
><I
>targets</I
></TT
>&nbsp;:</TD
><TD
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ALIGN="LEFT"
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>the table of targets that the drag will support</TD
></TR
><TR
><TD
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ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>n_targets</I
></TT
>&nbsp;:</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
>the number of items in <TT
CLASS="PARAMETER"
><I
>targets</I
></TT
></TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>actions</I
></TT
>&nbsp;:</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
>the bitmask of possible actions for a drag from this
 widget.
&#13;</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN7516"
></A
><H3
><A
NAME="GTK-DRAG-SOURCE-SET-ICON"
></A
>gtk_drag_source_set_icon ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void        gtk_drag_source_set_icon        (<A
HREF="gtkwidget.html"
>GtkWidget</A
> *widget,
                                             <A
HREF=../gdk/gdk-colormaps-and-colors.html#GDKCOLORMAP
>GdkColormap</A> *colormap,
                                             <A
HREF=../gdk/gdk-bitmaps-and-pixmaps.html#GDKPIXMAP
>GdkPixmap</A> *pixmap,
                                             <A
HREF=../gdk/gdk-bitmaps-and-pixmaps.html#GDKBITMAP
>GdkBitmap</A> *mask);</PRE
></TD
></TR
></TABLE
><P
>Sets the icon that will be used for drags from a 
particular widget. GTK+ retains a reference count
for the arguments, and will release them when
they are no longer needed.</P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN7525"
></A
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TBODY
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>widget</I
></TT
>&nbsp;:</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
>a <A
HREF="gtkwidget.html"
>GtkWidget</A
></TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>colormap</I
></TT
>&nbsp;:</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
>the colormap of the icon</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>pixmap</I
></TT
>&nbsp;:</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
>the image data for the icon</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>mask</I
></TT
>&nbsp;:</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
>the transparency mask for an image.
&#13;</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN7547"
></A
><H3
><A
NAME="GTK-DRAG-SOURCE-UNSET"
></A
>gtk_drag_source_unset ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void        gtk_drag_source_unset           (<A
HREF="gtkwidget.html"
>GtkWidget</A
> *widget);</PRE
></TD
></TR
></TABLE
><P
>Undo the effects of <A
HREF="gtk-drag-and-drop.html#GTK-DRAG-SOURCE-SET"
>gtk_drag_source_set</A
>().</P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN7554"
></A
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TBODY
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>widget</I
></TT
>&nbsp;:</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
>a <A
HREF="gtkwidget.html"
>GtkWidget</A
>
&#13;</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN7564"
></A
><H3
><A
NAME="GTK-DRAG-SOURCE-HANDLE-EVENT"
></A
>gtk_drag_source_handle_event ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void        gtk_drag_source_handle_event    (<A
HREF="gtkwidget.html"
>GtkWidget</A
> *widget,
                                             <A
HREF=../gdk/gdk-event-structures.html#GDKEVENT
>GdkEvent</A> *event);</PRE
></TD
></TR
></TABLE
><P
>Internal function.</P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN7571"
></A
><P
></P
><TABLE
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CLASS="CALSTABLE"
><TBODY
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>widget</I
></TT
>&nbsp;:</TD
><TD
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ALIGN="LEFT"
VALIGN="TOP"
>&nbsp;</TD
></TR
><TR
><TD
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ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>event</I
></TT
>&nbsp;:</TD
><TD
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ALIGN="LEFT"
VALIGN="TOP"
>&nbsp;</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN7584"
></A
><H3
><A
NAME="GTK-DRAG-DEST-HANDLE-EVENT"
></A
>gtk_drag_dest_handle_event ()</H3
><TABLE
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WIDTH="100%"
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><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void        gtk_drag_dest_handle_event      (<A
HREF="gtkwidget.html"
>GtkWidget</A
> *toplevel,
                                             <A
HREF=../gdk/gdk-event-structures.html#GDKEVENT
>GdkEvent</A> *event);</PRE
></TD
></TR
></TABLE
><P
>Internal function.</P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN7591"
></A
><P
></P
><TABLE
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><TD
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><TT
CLASS="PARAMETER"
><I
>toplevel</I
></TT
>&nbsp;:</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
>&nbsp;</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>event</I
></TT
>&nbsp;:</TD
><TD
WIDTH="80%"
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VALIGN="TOP"
>&nbsp;</TD
></TR
></TBODY
></TABLE
><P
></P
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