contrib/gdb-7/gdb/tui/tui-wingeneral.c

   1 /* General window behavior.
   2
   3    Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2007, 2008, 2009
   4    Free Software Foundation, Inc.
   5
   6    Contributed by Hewlett-Packard Company.
   7
   8    This file is part of GDB.
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  22
  23 #include "defs.h"
  24 #include "tui/tui.h"
  25 #include "tui/tui-data.h"
  26 #include "tui/tui-wingeneral.h"
  27 #include "tui/tui-win.h"
  28
  29 #include "gdb_curses.h"
  30
  31 /***********************
  32 ** PUBLIC FUNCTIONS
  33 ***********************/
  34
  35 /* Refresh the window.  */
  36 void
  37 tui_refresh_win (struct tui_gen_win_info *win_info)
  38 {
  39   if (win_info->type == DATA_WIN && win_info->content_size > 0)
  40     {
  41       int i;
  42
  43       for (i = 0; (i < win_info->content_size); i++)
  44         {
  45           struct tui_gen_win_info *data_item_win_ptr;
  46
  47           data_item_win_ptr = &((tui_win_content)
  48                                 win_info->content)[i]->which_element.data_window;
  49           if (data_item_win_ptr != NULL
  50               && data_item_win_ptr->handle != (WINDOW *) NULL)
  51             wrefresh (data_item_win_ptr->handle);
  52         }
  53     }
  54   else if (win_info->type == CMD_WIN)
  55     {
  56       /* Do nothing.  */
  57     }
  58   else
  59     {
  60       if (win_info->handle != (WINDOW *) NULL)
  61         wrefresh (win_info->handle);
  62     }
  63
  64   return;
  65 }
  66
  67
  68 /* Function to delete the curses window, checking for NULL.  */
  69 void
  70 tui_delete_win (WINDOW *window)
  71 {
  72   if (window != (WINDOW *) NULL)
  73     delwin (window);
  74
  75   return;
  76 }
  77
  78
  79 /* Draw a border arround the window.  */
  80 static void
  81 box_win (struct tui_gen_win_info *win_info,
  82          int highlight_flag)
  83 {
  84   if (win_info && win_info->handle)
  85     {
  86       WINDOW *win;
  87       int attrs;
  88
  89       win = win_info->handle;
  90       if (highlight_flag == HILITE)
  91         attrs = tui_active_border_attrs;
  92       else
  93         attrs = tui_border_attrs;
  94
  95       wattron (win, attrs);
  96 #ifdef HAVE_WBORDER
  97       wborder (win, tui_border_vline, tui_border_vline,
  98                tui_border_hline, tui_border_hline,
  99                tui_border_ulcorner, tui_border_urcorner,
 100                tui_border_llcorner, tui_border_lrcorner);
 101 #else
 102       box (win, tui_border_vline, tui_border_hline);
 103 #endif
 104       if (win_info->title)
 105         mvwaddstr (win, 0, 3, win_info->title);
 106       wattroff (win, attrs);
 107     }
 108 }
 109
 110
 111 void
 112 tui_unhighlight_win (struct tui_win_info *win_info)
 113 {
 114   if (win_info != NULL
 115       && win_info->generic.handle != (WINDOW *) NULL)
 116     {
 117       box_win ((struct tui_gen_win_info *) win_info, NO_HILITE);
 118       wrefresh (win_info->generic.handle);
 119       tui_set_win_highlight (win_info, 0);
 120     }
 121 }
 122
 123
 124 void
 125 tui_highlight_win (struct tui_win_info *win_info)
 126 {
 127   if (win_info != NULL
 128       && win_info->can_highlight
 129       && win_info->generic.handle != (WINDOW *) NULL)
 130     {
 131       box_win ((struct tui_gen_win_info *) win_info, HILITE);
 132       wrefresh (win_info->generic.handle);
 133       tui_set_win_highlight (win_info, 1);
 134     }
 135 }
 136
 137 void
 138 tui_check_and_display_highlight_if_needed (struct tui_win_info *win_info)
 139 {
 140   if (win_info != NULL && win_info->generic.type != CMD_WIN)
 141     {
 142       if (win_info->is_highlighted)
 143         tui_highlight_win (win_info);
 144       else
 145         tui_unhighlight_win (win_info);
 146
 147     }
 148   return;
 149 }
 150
 151
 152 void
 153 tui_make_window (struct tui_gen_win_info *win_info, int box_it)
 154 {
 155   WINDOW *handle;
 156
 157   handle = newwin (win_info->height,
 158                    win_info->width,
 159                    win_info->origin.y,
 160                    win_info->origin.x);
 161   win_info->handle = handle;
 162   if (handle != (WINDOW *) NULL)
 163     {
 164       if (box_it == BOX_WINDOW)
 165         box_win (win_info, NO_HILITE);
 166       win_info->is_visible = TRUE;
 167       scrollok (handle, TRUE);
 168     }
 169 }
 170
 171
 172 /* We can't really make windows visible, or invisible.  So we have to
 173    delete the entire window when making it visible, and create it
 174    again when making it visible.  */
 175 static void
 176 make_visible (struct tui_gen_win_info *win_info, int visible)
 177 {
 178   /* Don't tear down/recreate command window.  */
 179   if (win_info->type == CMD_WIN)
 180     return;
 181
 182   if (visible)
 183     {
 184       if (!win_info->is_visible)
 185         {
 186           tui_make_window (win_info,
 187                            (win_info->type != CMD_WIN
 188                             && !tui_win_is_auxillary (win_info->type)));
 189           win_info->is_visible = TRUE;
 190         }
 191     }
 192   else if (!visible
 193            && win_info->is_visible
 194            && win_info->handle != (WINDOW *) NULL)
 195     {
 196       win_info->is_visible = FALSE;
 197       tui_delete_win (win_info->handle);
 198       win_info->handle = (WINDOW *) NULL;
 199     }
 200
 201   return;
 202 }
 203
 204 void
 205 tui_make_visible (struct tui_gen_win_info *win_info)
 206 {
 207   make_visible (win_info, 1);
 208 }
 209
 210 void
 211 tui_make_invisible (struct tui_gen_win_info *win_info)
 212 {
 213   make_visible (win_info, 0);
 214 }
 215
 216
 217 /* Makes all windows invisible (except the command and locator
 218    windows).  */
 219 static void
 220 make_all_visible (int visible)
 221 {
 222   int i;
 223
 224   for (i = 0; i < MAX_MAJOR_WINDOWS; i++)
 225     {
 226       if (tui_win_list[i] != NULL
 227           && ((tui_win_list[i])->generic.type) != CMD_WIN)
 228         {
 229           if (tui_win_is_source_type ((tui_win_list[i])->generic.type))
 230             make_visible ((tui_win_list[i])->detail.source_info.execution_info,
 231                           visible);
 232           make_visible ((struct tui_gen_win_info *) tui_win_list[i], visible);
 233         }
 234     }
 235
 236   return;
 237 }
 238
 239 void
 240 tui_make_all_visible (void)
 241 {
 242   make_all_visible (1);
 243 }
 244
 245 void
 246 tui_make_all_invisible (void)
 247 {
 248   make_all_visible (0);
 249 }
 250
 251 /* Function to refresh all the windows currently displayed.  */
 252
 253 void
 254 tui_refresh_all (struct tui_win_info **list)
 255 {
 256   enum tui_win_type type;
 257   struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
 258
 259   for (type = SRC_WIN; (type < MAX_MAJOR_WINDOWS); type++)
 260     {
 261       if (list[type] && list[type]->generic.is_visible)
 262         {
 263           if (type == SRC_WIN || type == DISASSEM_WIN)
 264             {
 265               touchwin (list[type]->detail.source_info.execution_info->handle);
 266               tui_refresh_win (list[type]->detail.source_info.execution_info);
 267             }
 268           touchwin (list[type]->generic.handle);
 269           tui_refresh_win (&list[type]->generic);
 270         }
 271     }
 272   if (locator->is_visible)
 273     {
 274       touchwin (locator->handle);
 275       tui_refresh_win (locator);
 276     }
 277 }
 278
 279
 280 /*********************************
 281 ** Local Static Functions
 282 *********************************/