ROX-Filer/src/bind.c

   1 /*
   2  * $Id$
   3  *
   4  * ROX-Filer, filer for the ROX desktop project
   5  * Copyright (C) 2002, the ROX-Filer team.
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the Free
   9  * Software Foundation; either version 2 of the License, or (at your option)
  10  * any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  * more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along with
  18  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  19  * Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 /* bind.c - converts user gestures (clicks, etc) into actions */
  23
  24 #include "config.h"
  25
  26 #include <stdlib.h>
  27
  28 #include "global.h"
  29
  30 #include "options.h"
  31 #include "bind.h"
  32
  33 Option o_new_button_1;
  34 static Option o_menu_button_2;
  35 static Option o_single_click, o_single_pinboard;
  36
  37 /****************************************************************
  38  *                      EXTERNAL INTERFACE                      *
  39  ****************************************************************/
  40
  41 void bind_init(void)
  42 {
  43         option_add_int(&o_new_button_1, "bind_new_button_1", FALSE);
  44         option_add_int(&o_menu_button_2, "bind_menu_button_2", FALSE);
  45         option_add_int(&o_single_click, "bind_single_click", TRUE);
  46         option_add_int(&o_single_pinboard, "bind_single_pinboard", TRUE);
  47 }
  48
  49 /* Call this when a button event occurs and you want to know what
  50  * to do.
  51  */
  52 BindAction bind_lookup_bev(BindContext context, GdkEventButton *event)
  53 {
  54         gint    b = event->button;
  55         gint    menu_button = o_menu_button_2.int_value ? 2 : 3;
  56         gboolean shift = (event->state & GDK_SHIFT_MASK) != 0;
  57         gboolean ctrl = (event->state & GDK_CONTROL_MASK) != 0;
  58         gboolean icon  = context == BIND_PINBOARD_ICON ||
  59                                 context == BIND_PANEL_ICON;
  60         gboolean item = icon || context == BIND_DIRECTORY_ICON;
  61         gboolean background = context == BIND_PINBOARD ||
  62                                 context == BIND_PANEL ||
  63                                 context == BIND_DIRECTORY;
  64         gboolean press = event->type == GDK_BUTTON_PRESS;
  65         gboolean release = event->type == GDK_BUTTON_RELEASE;
  66         gboolean select = event->button == 1; /* (old RISC OS names) */
  67         gboolean adjust = event->button != 1;
  68
  69         gboolean dclick = event->type == GDK_2BUTTON_PRESS;
  70         gboolean dclick_mode =
  71                 (context == BIND_DIRECTORY_ICON && !o_single_click.int_value) ||
  72                 (context == BIND_PINBOARD_ICON && !o_single_pinboard.int_value);
  73
  74         if (b > 3)
  75                 return ACT_IGNORE;
  76
  77         if (context == BIND_PINBOARD_ICON || context == BIND_PINBOARD)
  78                 menu_button = 3;        /* Must work with window manager */
  79
  80         if (b == menu_button)
  81                 return press ? ACT_POPUP_MENU : ACT_IGNORE;
  82
  83         if (item && dclick && dclick_mode)
  84                 return shift ? ACT_EDIT_ITEM : ACT_OPEN_ITEM;
  85
  86         if (dclick && context == BIND_DIRECTORY)
  87                 return ACT_RESIZE;
  88
  89         if (!press)
  90         {
  91                 if (release && item && (!dclick_mode) && (!ctrl) &&
  92                         (select || (adjust && context == BIND_DIRECTORY_ICON)))
  93                         return shift ? ACT_EDIT_ITEM : ACT_OPEN_ITEM;
  94                 return ACT_IGNORE;
  95         }
  96
  97         if (background)
  98         {
  99                 gboolean clear = (!ctrl) && select;
 100
 101                 if (context == BIND_PANEL)
 102                         return clear ? ACT_SLIDE_CLEAR_PANEL : ACT_SLIDE_PANEL;
 103
 104                 return clear ? ACT_LASSO_CLEAR : ACT_LASSO_MODIFY;
 105         }
 106
 107         if (ctrl || (adjust && dclick_mode))
 108                 return ACT_PRIME_AND_TOGGLE;
 109
 110         if (context == BIND_PANEL_ICON && adjust)
 111                 return ACT_MOVE_ICON;
 112
 113         return dclick_mode ? ACT_PRIME_AND_SELECT : ACT_PRIME_FOR_DND;
 114 }