gdb/tui/tui-wingeneral.c

   1 /* General window behavior.
   2
   3    Copyright (C) 1998-2019 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 /* See tui-data.h.  */
  35
  36 void
  37 tui_gen_win_info::refresh_window ()
  38 {
  39   if (handle != NULL)
  40     wrefresh (handle);
  41 }
  42
  43 /* See tui-data.h.  */
  44
  45 void
  46 tui_data_window::refresh_window ()
  47 {
  48   if (content_size > 0)
  49     {
  50       for (int i = 0; i < content_size; i++)
  51         {
  52           struct tui_gen_win_info *data_item_win_ptr;
  53
  54           data_item_win_ptr = content[i]->which_element.data_window;
  55           if (data_item_win_ptr != NULL
  56               && data_item_win_ptr->handle != NULL)
  57             wrefresh (data_item_win_ptr->handle);
  58         }
  59     }
  60   else
  61     tui_gen_win_info::refresh_window ();
  62 }
  63
  64 /* Function to delete the curses window, checking for NULL.  */
  65 void
  66 tui_delete_win (WINDOW *window)
  67 {
  68   if (window != NULL)
  69     delwin (window);
  70
  71   return;
  72 }
  73
  74
  75 /* Draw a border arround the window.  */
  76 static void
  77 box_win (struct tui_gen_win_info *win_info,
  78          int highlight_flag)
  79 {
  80   if (win_info && win_info->handle)
  81     {
  82       WINDOW *win;
  83       int attrs;
  84
  85       win = win_info->handle;
  86       if (highlight_flag == HILITE)
  87         attrs = tui_active_border_attrs;
  88       else
  89         attrs = tui_border_attrs;
  90
  91       wattron (win, attrs);
  92 #ifdef HAVE_WBORDER
  93       wborder (win, tui_border_vline, tui_border_vline,
  94                tui_border_hline, tui_border_hline,
  95                tui_border_ulcorner, tui_border_urcorner,
  96                tui_border_llcorner, tui_border_lrcorner);
  97 #else
  98       box (win, tui_border_vline, tui_border_hline);
  99 #endif
 100       if (win_info->title)
 101         mvwaddstr (win, 0, 3, win_info->title);
 102       wattroff (win, attrs);
 103     }
 104 }
 105
 106
 107 void
 108 tui_unhighlight_win (struct tui_win_info *win_info)
 109 {
 110   if (win_info != NULL
 111       && win_info->can_highlight
 112       && win_info->handle != NULL)
 113     {
 114       box_win (win_info, NO_HILITE);
 115       wrefresh (win_info->handle);
 116       win_info->set_highlight (false);
 117     }
 118 }
 119
 120
 121 void
 122 tui_highlight_win (struct tui_win_info *win_info)
 123 {
 124   if (win_info != NULL
 125       && win_info->can_highlight
 126       && win_info->handle != NULL)
 127     {
 128       box_win (win_info, HILITE);
 129       wrefresh (win_info->handle);
 130       win_info->set_highlight (true);
 131     }
 132 }
 133
 134 void
 135 tui_check_and_display_highlight_if_needed (struct tui_win_info *win_info)
 136 {
 137   if (win_info != NULL && win_info->type != CMD_WIN)
 138     {
 139       if (win_info->is_highlighted)
 140         tui_highlight_win (win_info);
 141       else
 142         tui_unhighlight_win (win_info);
 143
 144     }
 145   return;
 146 }
 147
 148
 149 void
 150 tui_make_window (struct tui_gen_win_info *win_info, enum tui_box box_it)
 151 {
 152   WINDOW *handle;
 153
 154   handle = newwin (win_info->height,
 155                    win_info->width,
 156                    win_info->origin.y,
 157                    win_info->origin.x);
 158   win_info->handle = handle;
 159   if (handle != NULL)
 160     {
 161       if (box_it == BOX_WINDOW)
 162         box_win (win_info, NO_HILITE);
 163       win_info->is_visible = true;
 164       scrollok (handle, TRUE);
 165     }
 166 }
 167
 168
 169 /* We can't really make windows visible, or invisible.  So we have to
 170    delete the entire window when making it visible, and create it
 171    again when making it visible.  */
 172 void
 173 tui_gen_win_info::make_visible (bool visible)
 174 {
 175   if (visible)
 176     {
 177       if (!is_visible)
 178         {
 179           tui_make_window (this, (tui_win_is_auxillary (type)
 180                                   ? DONT_BOX_WINDOW : BOX_WINDOW));
 181           is_visible = true;
 182         }
 183     }
 184   else if (!visible
 185            && is_visible
 186            && handle != NULL)
 187     {
 188       is_visible = false;
 189       tui_delete_win (handle);
 190       handle = NULL;
 191     }
 192 }
 193
 194 void
 195 tui_make_visible (struct tui_gen_win_info *win_info)
 196 {
 197   win_info->make_visible (true);
 198 }
 199
 200 void
 201 tui_make_invisible (struct tui_gen_win_info *win_info)
 202 {
 203   win_info->make_visible (false);
 204 }
 205
 206 /* See tui-data.h.  */
 207
 208 void
 209 tui_source_window_base::make_visible (bool visible)
 210 {
 211   if (execution_info != nullptr)
 212     execution_info->make_visible (visible);
 213   tui_win_info::make_visible (visible);
 214 }
 215
 216 /* Makes all windows invisible (except the command and locator
 217    windows).  */
 218 static void
 219 make_all_visible (bool 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]->make_visible (visible);
 227     }
 228
 229   return;
 230 }
 231
 232 void
 233 tui_make_all_visible (void)
 234 {
 235   make_all_visible (true);
 236 }
 237
 238 void
 239 tui_make_all_invisible (void)
 240 {
 241   make_all_visible (false);
 242 }
 243
 244 /* See tui-data.h.  */
 245
 246 void
 247 tui_win_info::refresh ()
 248 {
 249   touchwin (handle);
 250   refresh_window ();
 251 }
 252
 253 /* See tui-data.h.  */
 254
 255 void
 256 tui_source_window_base::refresh ()
 257 {
 258   touchwin (execution_info->handle);
 259   execution_info->refresh_window ();
 260   tui_win_info::refresh ();
 261 }
 262
 263 /* Function to refresh all the windows currently displayed.  */
 264
 265 void
 266 tui_refresh_all (struct tui_win_info **list)
 267 {
 268   int type;
 269   struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
 270
 271   for (type = SRC_WIN; (type < MAX_MAJOR_WINDOWS); type++)
 272     {
 273       if (list[type] && list[type]->is_visible)
 274         list[type]->refresh ();
 275     }
 276   if (locator->is_visible)
 277     {
 278       touchwin (locator->handle);
 279       locator->refresh_window ();
 280     }
 281 }
 282
 283
 284 /*********************************
 285 ** Local Static Functions
 286 *********************************/