gdb/tui/tui-wingeneral.c

   1 /* General window behavior.
   2
   3    Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2007
   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 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,
  84          int highlight_flag)
  85 {
  86   if (win_info && win_info->handle)
  87     {
  88       WINDOW *win;
  89       int attrs;
  90
  91       win = win_info->handle;
  92       if (highlight_flag == HILITE)
  93         attrs = tui_active_border_attrs;
  94       else
  95         attrs = tui_border_attrs;
  96
  97       wattron (win, attrs);
  98 #ifdef HAVE_WBORDER
  99       wborder (win, tui_border_vline, tui_border_vline,
 100                tui_border_hline, tui_border_hline,
 101                tui_border_ulcorner, tui_border_urcorner,
 102                tui_border_llcorner, tui_border_lrcorner);
 103 #else
 104       box (win, tui_border_vline, tui_border_hline);
 105 #endif
 106       if (win_info->title)
 107         mvwaddstr (win, 0, 3, win_info->title);
 108       wattroff (win, attrs);
 109     }
 110 }
 111
 112
 113 void
 114 tui_unhighlight_win (struct tui_win_info *win_info)
 115 {
 116   if (win_info != NULL
 117       && win_info->generic.handle != (WINDOW *) NULL)
 118     {
 119       box_win ((struct tui_gen_win_info *) win_info, NO_HILITE);
 120       wrefresh (win_info->generic.handle);
 121       tui_set_win_highlight (win_info, 0);
 122     }
 123 }
 124
 125
 126 void
 127 tui_highlight_win (struct tui_win_info *win_info)
 128 {
 129   if (win_info != NULL
 130       && win_info->can_highlight
 131       && win_info->generic.handle != (WINDOW *) NULL)
 132     {
 133       box_win ((struct tui_gen_win_info *) win_info, HILITE);
 134       wrefresh (win_info->generic.handle);
 135       tui_set_win_highlight (win_info, 1);
 136     }
 137 }
 138
 139 void
 140 tui_check_and_display_highlight_if_needed (struct tui_win_info *win_info)
 141 {
 142   if (win_info != NULL && win_info->generic.type != CMD_WIN)
 143     {
 144       if (win_info->is_highlighted)
 145         tui_highlight_win (win_info);
 146       else
 147         tui_unhighlight_win (win_info);
 148
 149     }
 150   return;
 151 }
 152
 153
 154 void
 155 tui_make_window (struct tui_gen_win_info *win_info, int box_it)
 156 {
 157   WINDOW *handle;
 158
 159   handle = newwin (win_info->height,
 160                    win_info->width,
 161                    win_info->origin.y,
 162                    win_info->origin.x);
 163   win_info->handle = handle;
 164   if (handle != (WINDOW *) NULL)
 165     {
 166       if (box_it == BOX_WINDOW)
 167         box_win (win_info, NO_HILITE);
 168       win_info->is_visible = TRUE;
 169       scrollok (handle, TRUE);
 170     }
 171 }
 172
 173
 174 /* We can't really make windows visible, or invisible.  So we have to
 175    delete the entire window when making it visible, and create it
 176    again when making it visible.  */
 177 static void
 178 make_visible (struct tui_gen_win_info *win_info, int visible)
 179 {
 180   /* Don't tear down/recreate command window.  */
 181   if (win_info->type == CMD_WIN)
 182     return;
 183
 184   if (visible)
 185     {
 186       if (!win_info->is_visible)
 187         {
 188           tui_make_window (win_info,
 189                            (win_info->type != CMD_WIN
 190                             && !tui_win_is_auxillary (win_info->type)));
 191           win_info->is_visible = TRUE;
 192         }
 193     }
 194   else if (!visible
 195            && win_info->is_visible
 196            && win_info->handle != (WINDOW *) NULL)
 197     {
 198       win_info->is_visible = FALSE;
 199       tui_delete_win (win_info->handle);
 200       win_info->handle = (WINDOW *) NULL;
 201     }
 202
 203   return;
 204 }
 205
 206 void
 207 tui_make_visible (struct tui_gen_win_info *win_info)
 208 {
 209   make_visible (win_info, 1);
 210 }
 211
 212 void
 213 tui_make_invisible (struct tui_gen_win_info *win_info)
 214 {
 215   make_visible (win_info, 0);
 216 }
 217
 218
 219 /* Makes all windows invisible (except the command and locator
 220    windows).  */
 221 static void
 222 make_all_visible (int visible)
 223 {
 224   int i;
 225
 226   for (i = 0; i < MAX_MAJOR_WINDOWS; i++)
 227     {
 228       if (tui_win_list[i] != NULL
 229           && ((tui_win_list[i])->generic.type) != CMD_WIN)
 230         {
 231           if (tui_win_is_source_type ((tui_win_list[i])->generic.type))
 232             make_visible ((tui_win_list[i])->detail.source_info.execution_info,
 233                           visible);
 234           make_visible ((struct tui_gen_win_info *) tui_win_list[i], visible);
 235         }
 236     }
 237
 238   return;
 239 }
 240
 241 void
 242 tui_make_all_visible (void)
 243 {
 244   make_all_visible (1);
 245 }
 246
 247 void
 248 tui_make_all_invisible (void)
 249 {
 250   make_all_visible (0);
 251 }
 252
 253 /* Function to refresh all the windows currently displayed.  */
 254
 255 void
 256 tui_refresh_all (struct tui_win_info **list)
 257 {
 258   enum tui_win_type type;
 259   struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
 260
 261   for (type = SRC_WIN; (type < MAX_MAJOR_WINDOWS); type++)
 262     {
 263       if (list[type] && list[type]->generic.is_visible)
 264         {
 265           if (type == SRC_WIN || type == DISASSEM_WIN)
 266             {
 267               touchwin (list[type]->detail.source_info.execution_info->handle);
 268               tui_refresh_win (list[type]->detail.source_info.execution_info);
 269             }
 270           touchwin (list[type]->generic.handle);
 271           tui_refresh_win (&list[type]->generic);
 272         }
 273     }
 274   if (locator->is_visible)
 275     {
 276       touchwin (locator->handle);
 277       tui_refresh_win (locator);
 278     }
 279 }
 280
 281
 282 /*********************************
 283 ** Local Static Functions
 284 *********************************/