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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<title>_VTScreenView struct Reference</title>
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<hr><h1>_VTScreenView Struct Reference</h1>VTScreenView interface.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="screen_8h-source.html">screen.h</a>></code>
<p>
<table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Data Fields</h2></td></tr>
<tr><td nowrap align=right valign=top><a name="m0" doxytag="_VTScreenView::object"></a>
void * </td><td valign=bottom><a class="el" href="struct__VTScreenView.html#m0">object</a></td></tr>
<tr><td> </td><td><font size=-1><em>reference to platform dependent VTScreenView object</em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void(* </td><td valign=bottom><a class="el" href="struct__VTScreenView.html#m1">draw_text</a> )(struct _VTScreenView *view, int col, int row, char *mbstring, int length, int width)</td></tr>
<tr><td> </td><td><font size=-1><em>draw text in screen</em> <a href="#m1"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void(* </td><td valign=bottom><a class="el" href="struct__VTScreenView.html#m2">update_cursor_position</a> )(struct _VTScreenView *view, int col, int row)</td></tr>
<tr><td> </td><td><font size=-1><em>set cursor position</em> <a href="#m2"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void(* </td><td valign=bottom><a class="el" href="struct__VTScreenView.html#m3">set_rendition</a> )(struct _VTScreenView *view, int bold, int blink, int inverse, int underline, int foreground, int background, char charset)</td></tr>
<tr><td> </td><td><font size=-1><em>set graphic rendition of text</em> <a href="#m3"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void(* </td><td valign=bottom><a class="el" href="struct__VTScreenView.html#m4">clear_rect</a> )(struct _VTScreenView *view, int s_col, int s_row, int e_col, int e_row)</td></tr>
<tr><td> </td><td><font size=-1><em>clear specified rectangular</em> <a href="#m4"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void(* </td><td valign=bottom><a class="el" href="struct__VTScreenView.html#m5">swap_video</a> )(struct _VTScreenView *view)</td></tr>
<tr><td> </td><td><font size=-1><em>swap foreground and background color permanently</em> <a href="#m5"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void(* </td><td valign=bottom><a class="el" href="struct__VTScreenView.html#m6">ring</a> )(struct _VTScreenView *view)</td></tr>
<tr><td> </td><td><font size=-1><em>ring the bell</em> <a href="#m6"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void(* </td><td valign=bottom><a class="el" href="struct__VTScreenView.html#m7">resize_request</a> )(struct _VTScreenView *view, int cols, int rows)</td></tr>
<tr><td> </td><td><font size=-1><em>request new size of the screen</em> <a href="#m7"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void(* </td><td valign=bottom><a class="el" href="struct__VTScreenView.html#m8">notify_osc</a> )(struct _VTScreenView *view, int type, char *params, int n_params)</td></tr>
<tr><td> </td><td><font size=-1><em>notify OSC(operating system command)</em> <a href="#m8"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void(* </td><td valign=bottom><a class="el" href="struct__VTScreenView.html#m9">update_scrollbar</a> )(struct _VTScreenView *view, int max, int top, int shown)</td></tr>
<tr><td> </td><td><font size=-1><em>notify scrollbar event</em> <a href="#m9"></a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void(* </td><td valign=bottom><a class="el" href="struct__VTScreenView.html#m10">scroll_view</a> )(struct _VTScreenView *view, int dest_row, int src_row, int num_line)</td></tr>
<tr><td> </td><td><font size=-1><em>notify scrollbar event</em> <a href="#m10"></a><em></em></font><br><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
VTScreenView interface.
<p>
<br>
View of VTScreen. User must create instance that implements these methods. To short, this is a set of callback functions which are called by <a class="el" href="structVTCore.html">VTCore </a>
<p>
<hr><h2>Field Documentation</h2>
<a name="m4" doxytag="_VTScreenView::clear_rect"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void(* _VTScreenView::clear_rect)(struct _VTScreenView *view,int s_col, int s_row, int e_col, int e_row)
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
clear specified rectangular
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign=top><em>view</em> </td><td>reference to VTScreenView object </td></tr>
<tr><td valign=top><em>s_col</em> </td><td>top left column </td></tr>
<tr><td valign=top><em>s_row</em> </td><td>top left row </td></tr>
<tr><td valign=top><em>e_col</em> </td><td>bottom right column </td></tr>
<tr><td valign=top><em>e_row</em> </td><td>bottom right row </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<a name="m1" doxytag="_VTScreenView::draw_text"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void(* _VTScreenView::draw_text)(struct _VTScreenView *view,int col, int row, char *mbstring, int length,int width)
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
draw text in screen
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign=top><em>view</em> </td><td>reference to VTScreenView object </td></tr>
<tr><td valign=top><em>col</em> </td><td>start column to draw text </td></tr>
<tr><td valign=top><em>row</em> </td><td>start row to draw text </td></tr>
<tr><td valign=top><em>mbstring</em> </td><td>reference multibyte string </td></tr>
<tr><td valign=top><em>length</em> </td><td>length of multibyte string </td></tr>
<tr><td valign=top><em>width</em> </td><td>column width of multibyte string </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<a name="m8" doxytag="_VTScreenView::notify_osc"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void(* _VTScreenView::notify_osc)(struct _VTScreenView *view, int type, char *params, int n_params)
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
notify OSC(operating system command)
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign=top><em>view</em> </td><td>reference to VTScreenView object </td></tr>
<tr><td valign=top><em>type</em> </td><td>type of OSC </td></tr>
<tr><td valign=top><em>params</em> </td><td>parameter string </td></tr>
<tr><td valign=top><em>n_params</em> </td><td>length of parameter string</td></tr>
</table>
</dl>
type is usually(on xterm) decoded as <br>
0 - change icon & window title <br>
1 - change icon title <br>
2 - change window titile <br>
46 - change log file <br>
50 - change font <br>
</td>
</tr>
</table>
<a name="m7" doxytag="_VTScreenView::resize_request"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void(* _VTScreenView::resize_request)(struct _VTScreenView *view, int cols, int rows)
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
request new size of the screen
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign=top><em>view</em> </td><td>reference to VTScreenView object </td></tr>
<tr><td valign=top><em>cols</em> </td><td>number of request columns </td></tr>
<tr><td valign=top><em>rows</em> </td><td>number of request rows </td></tr>
<tr><td valign=top><em>cols</em> </td><td>number of actual new columns </td></tr>
<tr><td valign=top><em>rows</em> </td><td>number of actual new rows</td></tr>
</table>
</dl>
ScreenView must return actual rows and columns for model know if request had been accepted or not. </td>
</tr>
</table>
<a name="m6" doxytag="_VTScreenView::ring"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void(* _VTScreenView::ring)(struct _VTScreenView *view)
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
ring the bell
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign=top><em>view</em> </td><td>reference to VTScreenView object </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<a name="m10" doxytag="_VTScreenView::scroll_view"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void(* _VTScreenView::scroll_view)(struct _VTScreenView *view, int dest_row, int src_row, int num_line)
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
notify scrollbar event
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign=top><em>view</em> </td><td>reference to VTScreenView object </td></tr>
<tr><td valign=top><em>dest_row</em> </td><td>destination row position </td></tr>
<tr><td valign=top><em>src_row</em> </td><td>source row position </td></tr>
<tr><td valign=top><em>num_line</em> </td><td>number of line to bitblit </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<a name="m3" doxytag="_VTScreenView::set_rendition"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void(* _VTScreenView::set_rendition)(struct _VTScreenView *view, int bold, int blink, int inverse, int underline, int foreground, int background, char charset)
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
set graphic rendition of text
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign=top><em>view</em> </td><td>reference to VTScreenView object </td></tr>
<tr><td valign=top><em>bold</em> </td><td>bold text </td></tr>
<tr><td valign=top><em>inverse</em> </td><td>reverse text </td></tr>
<tr><td valign=top><em>underline</em> </td><td>underlined text </td></tr>
<tr><td valign=top><em>foreground</em> </td><td>foreground color number(1 - 9) may change </td></tr>
<tr><td valign=top><em>background</em> </td><td>background color number(1 - 9) may change </td></tr>
<tr><td valign=top><em>charset</em> </td><td>graphic character sets <br>
A - UK charset <br>
B - ASCII charset <br>
0 - Special Graphics <br>
1 - Alternate Rom character set <br>
2 - Alternate Rom Special Graphics </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<a name="m5" doxytag="_VTScreenView::swap_video"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void(* _VTScreenView::swap_video)(struct _VTScreenView *view)
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
swap foreground and background color permanently
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign=top><em>view</em> </td><td>reference to VTScreenView object.</td></tr>
</table>
</dl>
After calling this, whole background color will be swaped. </td>
</tr>
</table>
<a name="m2" doxytag="_VTScreenView::update_cursor_position"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void(* _VTScreenView::update_cursor_position)(struct _VTScreenView *view,int col, int row)
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
set cursor position
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign=top><em>view</em> </td><td>reference to VTScreenView object </td></tr>
<tr><td valign=top><em>col</em> </td><td>start column to draw text </td></tr>
<tr><td valign=top><em>row</em> </td><td>start row to draw text </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<a name="m9" doxytag="_VTScreenView::update_scrollbar"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void(* _VTScreenView::update_scrollbar)(struct _VTScreenView *view, int max, int top, int shown)
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
notify scrollbar event
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign=top><em>view</em> </td><td>reference to VTScreenView object </td></tr>
<tr><td valign=top><em>max</em> </td><td>max length of scrollbar </td></tr>
<tr><td valign=top><em>top</em> </td><td>point of scrollbar </td></tr>
<tr><td valign=top><em>shown</em> </td><td>length of scrollbar thumb </td></tr>
</table>
</dl>
</td>
</tr>
</table>
<hr>The documentation for this struct was generated from the following file:<ul>
<li><a class="el" href="screen_8h-source.html">screen.h</a></ul>
<hr><address style="align: right;"><small>Generated on Sun Dec 29 16:55:32 2002 by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border=0
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