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root/
src/
controller/
callbacks/
keyboard.c (
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#include "keyboard.h"
#include "../actions/clear_selection.h"
#include "../actions/selection_from_db.h"
#include "reshape.h"
#include "../../view/state0.h"
#include "../../model/state/pan_info_init.h"
#include "../../model/state/zoom_info_init.h"
#include <GL/glut.h>
#define S state0
void
keyboard (unsigned char key, int x, int y)
{
switch (key)
{
case 27:
/*
* ESC Pressed.
*/
clear_selection ();
glutPostRedisplay ();
break;
case 'g':
/*
* g has been pressed. This is used to load a selection from
* the database since it is the convention to use g for
* refreshing a buffer in Emacs.
*/
selection_from_db ();
glutPostRedisplay ();
break;
case 'l':
/*
* Toggle display of the legend.
*/
S.legend = !S.legend;
glutPostRedisplay ();
break;
case 'r':
/*
* Reset the view (unzoom, recenter).
*/
pan_info_init (&S.pan);
zoom_info_init (&S.zoom);
GLint viewport[4];
glGetIntegerv (GL_VIEWPORT, viewport);
reshape (viewport[2], viewport[3]);
glutPostRedisplay ();
break;
case 's':
/*
* Selection will be used to define a set.
*/
S.selection.purpose = SET;
break;
case 'z':
/*
* Selection will be use to zoom.
*/
S.selection.purpose = ZOOM;
break;
}
return;
}
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