locator.h

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/*
Copyright (C) 2001-2002 The Exult Team

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#ifndef INCL_LOCATOR
#define INCL_LOCATOR

/*
 *  The 'locator' window:
 */
class Locator
  {
  GtkWidget *win;     // Main window.
  GtkWidget *draw;    // GTK draw area to display.
  GdkGC *drawgc;      // For drawing in 'draw'.
  GtkAdjustment *hadj, *vadj; // For horiz., vert. scales.
  int tx, ty, txs, tys, scale;  // Current Exult win. info. in tiles.
  GdkRectangle viewbox;   // Where view box was last drawn.
  bool dragging;      // True if dragging view box.
  int drag_relx, drag_rely; // Mouse pos. rel to view box.
  int send_location_timer;  // For sending new loc. to Exult.
  void send_location();   // Send location/size to Exult.
  void query_location();
  static gint delayed_send_location(gpointer data);
          // Set view to mouse location.
  void goto_mouse(int mx, int my, bool delay_send = false);
public:
  Locator();
  ~Locator();
  void show(bool tf);   // Show/hide.
          // Configure when created/resized.
  void configure(GtkWidget *widget);
  void render(GdkRectangle *area = 0);
          // Message from exult.
  void view_changed(unsigned char *data, int datalen);
          // Handle scrollbar.
  static void vscrolled(GtkAdjustment *adj, gpointer data);
  static void hscrolled(GtkAdjustment *adj, gpointer data);
          // Handle mouse.
  gint mouse_press(GdkEventButton *event);
  gint mouse_release(GdkEventButton *event);
  gint mouse_motion(GdkEventMotion *event);
  };

#endif

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