gdb/tui/tui-wingeneral.c

   1 /* General window behavior.
   2
   3    Copyright (C) 1998-2014 Free Software Foundation, Inc.
   4
   5    Contributed by Hewlett-Packard Company.
   6
   7    This file is part of GDB.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  21
  22 #include "defs.h"
  23 #include "tui/tui.h"
  24 #include "tui/tui-data.h"
  25 #include "tui/tui-wingeneral.h"
  26 #include "tui/tui-win.h"
  27
  28 #include "gdb_curses.h"
  29
  30 /***********************
  31 ** PUBLIC FUNCTIONS
  32 ***********************/
  33
  34 /* Refresh the window.  */
  35 void
  36 tui_refresh_win (struct tui_gen_win_info *win_info)
  37 {
  38   if (win_info->type == DATA_WIN && win_info->content_size > 0)
  39     {
  40       int i;
  41
  42       for (i = 0; (i < win_info->content_size); i++)
  43         {
  44           struct tui_gen_win_info *data_item_win_ptr;
  45
  46           data_item_win_ptr = &((tui_win_content)
  47                                 win_info->content)[i]->which_element.data_window;
  48           if (data_item_win_ptr != NULL
  49               && data_item_win_ptr->handle != (WINDOW *) NULL)
  50             wrefresh (data_item_win_ptr->handle);
  51         }
  52     }
  53   else if (win_info->type == CMD_WIN)
  54     {
  55       /* Do nothing.  */
  56     }
  57   else
  58     {
  59       if (win_info->handle != (WINDOW *) NULL)
  60         wrefresh (win_info->handle);
  61     }
  62
  63   return;
  64 }
  65
  66
  67 /* Function to delete the curses window, checking for NULL.  */
  68 void
  69 tui_delete_win (WINDOW *window)
  70 {
  71   if (window != (WINDOW *) NULL)
  72     delwin (window);
  73
  74   return;
  75 }
  76
  77
  78 /* Draw a border arround the window.  */
  79 static void
  80 box_win (struct tui_gen_win_info *win_info,
  81          int highlight_flag)
  82 {
  83   if (win_info && win_info->handle)
  84     {
  85       WINDOW *win;
  86       int attrs;
  87
  88       win = win_info->handle;
  89       if (highlight_flag == HILITE)
  90         attrs = tui_active_border_attrs;
  91       else
  92         attrs = tui_border_attrs;
  93
  94       wattron (win, attrs);
  95 #ifdef HAVE_WBORDER
  96       wborder (win, tui_border_vline, tui_border_vline,
  97                tui_border_hline, tui_border_hline,
  98                tui_border_ulcorner, tui_border_urcorner,
  99                tui_border_llcorner, tui_border_lrcorner);
 100 #else
 101       box (win, tui_border_vline, tui_border_hline);
 102 #endif
 103       if (win_info->title)
 104         mvwaddstr (win, 0, 3, win_info->title);
 105       wattroff (win, attrs);
 106     }
 107 }
 108
 109
 110 void
 111 tui_unhighlight_win (struct tui_win_info *win_info)
 112 {
 113   if (win_info != NULL
 114       && win_info->generic.handle != (WINDOW *) NULL)
 115     {
 116       box_win ((struct tui_gen_win_info *) win_info, NO_HILITE);
 117       wrefresh (win_info->generic.handle);
 118       tui_set_win_highlight (win_info, 0);
 119     }
 120 }
 121
 122
 123 void
 124 tui_highlight_win (struct tui_win_info *win_info)
 125 {
 126   if (win_info != NULL
 127       && win_info->can_highlight
 128       && win_info->generic.handle != (WINDOW *) NULL)
 129     {
 130       box_win ((struct tui_gen_win_info *) win_info, HILITE);
 131       wrefresh (win_info->generic.handle);
 132       tui_set_win_highlight (win_info, 1);
 133     }
 134 }
 135
 136 void
 137 tui_check_and_display_highlight_if_needed (struct tui_win_info *win_info)
 138 {
 139   if (win_info != NULL && win_info->generic.type != CMD_WIN)
 140     {
 141       if (win_info->is_highlighted)
 142         tui_highlight_win (win_info);
 143       else
 144         tui_unhighlight_win (win_info);
 145
 146     }
 147   return;
 148 }
 149
 150
 151 void
 152 tui_make_window (struct tui_gen_win_info *win_info, int box_it)
 153 {
 154   WINDOW *handle;
 155
 156   handle = newwin (win_info->height,
 157                    win_info->width,
 158                    win_info->origin.y,
 159                    win_info->origin.x);
 160   win_info->handle = handle;
 161   if (handle != (WINDOW *) NULL)
 162     {
 163       if (box_it == BOX_WINDOW)
 164         box_win (win_info, NO_HILITE);
 165       win_info->is_visible = TRUE;
 166       scrollok (handle, TRUE);
 167     }
 168 }
 169
 170
 171 /* We can't really make windows visible, or invisible.  So we have to
 172    delete the entire window when making it visible, and create it
 173    again when making it visible.  */
 174 static void
 175 make_visible (struct tui_gen_win_info *win_info, int visible)
 176 {
 177   /* Don't tear down/recreate command window.  */
 178   if (win_info->type == CMD_WIN)
 179     return;
 180
 181   if (visible)
 182     {
 183       if (!win_info->is_visible)
 184         {
 185           tui_make_window (win_info,
 186                            (win_info->type != CMD_WIN
 187                             && !tui_win_is_auxillary (win_info->type)));
 188           win_info->is_visible = TRUE;
 189         }
 190     }
 191   else if (!visible
 192            && win_info->is_visible
 193            && 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
 217    windows).  */
 218 static void
 219 make_all_visible (int visible)
 220 {
 221   int i;
 222
 223   for (i = 0; i < MAX_MAJOR_WINDOWS; i++)
 224     {
 225       if (tui_win_list[i] != NULL
 226           && ((tui_win_list[i])->generic.type) != CMD_WIN)
 227         {
 228           if (tui_win_is_source_type ((tui_win_list[i])->generic.type))
 229             make_visible ((tui_win_list[i])->detail.source_info.execution_info,
 230                           visible);
 231           make_visible ((struct tui_gen_win_info *) tui_win_list[i], visible);
 232         }
 233     }
 234
 235   return;
 236 }
 237
 238 void
 239 tui_make_all_visible (void)
 240 {
 241   make_all_visible (1);
 242 }
 243
 244 void
 245 tui_make_all_invisible (void)
 246 {
 247   make_all_visible (0);
 248 }
 249
 250 /* Function to refresh all the windows currently displayed.  */
 251
 252 void
 253 tui_refresh_all (struct tui_win_info **list)
 254 {
 255   enum tui_win_type type;
 256   struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
 257
 258   for (type = SRC_WIN; (type < MAX_MAJOR_WINDOWS); type++)
 259     {
 260       if (list[type] && list[type]->generic.is_visible)
 261         {
 262           if (type == SRC_WIN || type == DISASSEM_WIN)
 263             {
 264               touchwin (list[type]->detail.source_info.execution_info->handle);
 265               tui_refresh_win (list[type]->detail.source_info.execution_info);
 266             }
 267           touchwin (list[type]->generic.handle);
 268           tui_refresh_win (&list[type]->generic);
 269         }
 270     }
 271   if (locator->is_visible)
 272     {
 273       touchwin (locator->handle);
 274       tui_refresh_win (locator);
 275     }
 276 }
 277
 278
 279 /*********************************
 280 ** Local Static Functions
 281 *********************************/