gdb/tui/tui-wingeneral.c

   1 /* General window behavior.
   2
   3    Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation,
   4    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 2 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, write to the Free Software
  22    Foundation, Inc., 51 Franklin Street, Fifth Floor,
  23    Boston, MA 02110-1301, USA.  */
  24
  25 #include "defs.h"
  26 #include "tui/tui.h"
  27 #include "tui/tui-data.h"
  28 #include "tui/tui-wingeneral.h"
  29 #include "tui/tui-win.h"
  30
  31 #include "gdb_curses.h"
  32
  33 /***********************
  34 ** PUBLIC FUNCTIONS
  35 ***********************/
  36
  37 /* Refresh the window.   */
  38 void
  39 tui_refresh_win (struct tui_gen_win_info * win_info)
  40 {
  41   if (win_info->type == DATA_WIN && win_info->content_size > 0)
  42     {
  43       int i;
  44
  45       for (i = 0; (i < win_info->content_size); i++)
  46         {
  47           struct tui_gen_win_info * data_item_win_ptr;
  48
  49           data_item_win_ptr = &((tui_win_content)
  50                              win_info->content)[i]->which_element.data_window;
  51           if (data_item_win_ptr != NULL
  52               && data_item_win_ptr->handle != (WINDOW *) NULL)
  53             wrefresh (data_item_win_ptr->handle);
  54         }
  55     }
  56   else if (win_info->type == CMD_WIN)
  57     {
  58       /* Do nothing */
  59     }
  60   else
  61     {
  62       if (win_info->handle != (WINDOW *) NULL)
  63         wrefresh (win_info->handle);
  64     }
  65
  66   return;
  67 }
  68
  69
  70 /* Function to delete the curses window, checking for NULL.   */
  71 void
  72 tui_delete_win (WINDOW * window)
  73 {
  74   if (window != (WINDOW *) NULL)
  75     delwin (window);
  76
  77   return;
  78 }
  79
  80
  81 /* Draw a border arround the window.  */
  82 void
  83 box_win (struct tui_gen_win_info * win_info, int highlight_flag)
  84 {
  85   if (win_info && win_info->handle)
  86     {
  87       WINDOW *win;
  88       int attrs;
  89
  90       win = win_info->handle;
  91       if (highlight_flag == HILITE)
  92         attrs = tui_active_border_attrs;
  93       else
  94         attrs = tui_border_attrs;
  95
  96       wattron (win, attrs);
  97 #ifdef HAVE_WBORDER
  98       wborder (win, tui_border_vline, tui_border_vline,
  99                tui_border_hline, tui_border_hline,
 100                tui_border_ulcorner, tui_border_urcorner,
 101                tui_border_llcorner, tui_border_lrcorner);
 102 #else
 103       box (win, tui_border_vline, tui_border_hline);
 104 #endif
 105       if (win_info->title)
 106         mvwaddstr (win, 0, 3, win_info->title);
 107       wattroff (win, attrs);
 108     }
 109 }
 110
 111
 112 void
 113 tui_unhighlight_win (struct tui_win_info * win_info)
 114 {
 115   if (win_info != NULL && 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 && win_info->handle != (WINDOW *) NULL)
 194     {
 195       win_info->is_visible = FALSE;
 196       tui_delete_win (win_info->handle);
 197       win_info->handle = (WINDOW *) NULL;
 198     }
 199
 200   return;
 201 }
 202
 203 void
 204 tui_make_visible (struct tui_gen_win_info *win_info)
 205 {
 206   make_visible (win_info, 1);
 207 }
 208
 209 void
 210 tui_make_invisible (struct tui_gen_win_info *win_info)
 211 {
 212   make_visible (win_info, 0);
 213 }
 214
 215
 216 /* Makes all windows invisible (except the command and locator windows).   */
 217 static void
 218 make_all_visible (int visible)
 219 {
 220   int i;
 221
 222   for (i = 0; i < MAX_MAJOR_WINDOWS; i++)
 223     {
 224       if (tui_win_list[i] != NULL
 225           && ((tui_win_list[i])->generic.type) != CMD_WIN)
 226         {
 227           if (tui_win_is_source_type ((tui_win_list[i])->generic.type))
 228             make_visible ((tui_win_list[i])->detail.source_info.execution_info,
 229                           visible);
 230           make_visible ((struct tui_gen_win_info *) tui_win_list[i], visible);
 231         }
 232     }
 233
 234   return;
 235 }
 236
 237 void
 238 tui_make_all_visible (void)
 239 {
 240   make_all_visible (1);
 241 }
 242
 243 void
 244 tui_make_all_invisible (void)
 245 {
 246   make_all_visible (0);
 247 }
 248
 249 /* Function to refresh all the windows currently displayed.  */
 250
 251 void
 252 tui_refresh_all (struct tui_win_info * * list)
 253 {
 254   enum tui_win_type type;
 255   struct tui_gen_win_info * locator = tui_locator_win_info_ptr ();
 256
 257   for (type = SRC_WIN; (type < MAX_MAJOR_WINDOWS); type++)
 258     {
 259       if (list[type] && list[type]->generic.is_visible)
 260         {
 261           if (type == SRC_WIN || type == DISASSEM_WIN)
 262             {
 263               touchwin (list[type]->detail.source_info.execution_info->handle);
 264               tui_refresh_win (list[type]->detail.source_info.execution_info);
 265             }
 266           touchwin (list[type]->generic.handle);
 267           tui_refresh_win (&list[type]->generic);
 268         }
 269     }
 270   if (locator->is_visible)
 271     {
 272       touchwin (locator->handle);
 273       tui_refresh_win (locator);
 274     }
 275 }
 276
 277
 278 /*********************************
 279 ** Local Static Functions
 280 *********************************/