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/*
* Copyright © 2005 Novell, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* Novell, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* Novell, Inc. makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL NOVELL, INC. BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: David Reveman <davidr@novell.com>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <sys/time.h>
#include <X11/cursorfont.h>
#include <core/core.h>
#include <core/pluginclasshandler.h>
#include <composite/composite.h>
#include <opengl/opengl.h>
#include "zoom_options.h"
#define ZOOM_SCREEN(s) \
ZoomScreen *zs = ZoomScreen::get (s)
struct ZoomBox {
float x1;
float y1;
float x2;
float y2;
};
class ZoomScreen :
public ScreenInterface,
public CompositeScreenInterface,
public GLScreenInterface,
public PluginClassHandler<ZoomScreen,CompScreen>,
public ZoomOptions
{
public:
ZoomScreen (CompScreen *screen);
~ZoomScreen ();
void handleEvent (XEvent *);
void preparePaint (int);
void donePaint ();
bool glPaintOutput (const GLScreenPaintAttrib &,
const GLMatrix &, const CompRegion &,
CompOutput *, unsigned int);
void getCurrentZoom (int output, ZoomBox *pBox);
void handleMotionEvent (int xRoot, int yRoot);
void initiateForSelection (int output);
void zoomInEvent ();
void zoomOutEvent ();
CompositeScreen *cScreen;
GLScreen *gScreen;
float pointerSensitivity;
CompScreen::GrabHandle grabIndex;
bool grab;
int zoomed;
bool adjust;
CompScreen::GrabHandle panGrabIndex;
Cursor panCursor;
GLfloat velocity;
GLfloat scale;
ZoomBox current[16];
ZoomBox last[16];
int x1, y1, x2, y2;
int zoomOutput;
};
class ZoomPluginVTable :
public CompPlugin::VTableForScreen<ZoomScreen>
{
public:
bool init ();
};
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