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->handle != NULL)
 112     {
 113       box_win (win_info, NO_HILITE);
 114       wrefresh (win_info->handle);
 115       win_info->set_highlight (false);
 116     }
 117 }
 118
 119
 120 void
 121 tui_highlight_win (struct tui_win_info *win_info)
 122 {
 123   if (win_info != NULL
 124       && win_info->can_highlight
 125       && win_info->handle != NULL)
 126     {
 127       box_win (win_info, HILITE);
 128       wrefresh (win_info->handle);
 129       win_info->set_highlight (true);
 130     }
 131 }
 132
 133 void
 134 tui_check_and_display_highlight_if_needed (struct tui_win_info *win_info)
 135 {
 136   if (win_info != NULL && win_info->type != CMD_WIN)
 137     {
 138       if (win_info->is_highlighted)
 139         tui_highlight_win (win_info);
 140       else
 141         tui_unhighlight_win (win_info);
 142
 143     }
 144   return;
 145 }
 146
 147
 148 void
 149 tui_make_window (struct tui_gen_win_info *win_info, enum tui_box box_it)
 150 {
 151   WINDOW *handle;
 152
 153   handle = newwin (win_info->height,
 154                    win_info->width,
 155                    win_info->origin.y,
 156                    win_info->origin.x);
 157   win_info->handle = handle;
 158   if (handle != NULL)
 159     {
 160       if (box_it == BOX_WINDOW)
 161         box_win (win_info, NO_HILITE);
 162       win_info->is_visible = true;
 163       scrollok (handle, TRUE);
 164     }
 165 }
 166
 167
 168 /* We can't really make windows visible, or invisible.  So we have to
 169    delete the entire window when making it visible, and create it
 170    again when making it visible.  */
 171 void
 172 tui_gen_win_info::make_visible (bool visible)
 173 {
 174   if (visible)
 175     {
 176       if (!is_visible)
 177         {
 178           tui_make_window (this, (tui_win_is_auxillary (type)
 179                                   ? DONT_BOX_WINDOW : BOX_WINDOW));
 180           is_visible = true;
 181         }
 182     }
 183   else if (!visible
 184            && is_visible
 185            && handle != NULL)
 186     {
 187       is_visible = false;
 188       tui_delete_win (handle);
 189       handle = NULL;
 190     }
 191 }
 192
 193 void
 194 tui_make_visible (struct tui_gen_win_info *win_info)
 195 {
 196   win_info->make_visible (true);
 197 }
 198
 199 void
 200 tui_make_invisible (struct tui_gen_win_info *win_info)
 201 {
 202   win_info->make_visible (false);
 203 }
 204
 205 /* See tui-data.h.  */
 206
 207 void
 208 tui_source_window_base::make_visible (bool visible)
 209 {
 210   if (execution_info != nullptr)
 211     execution_info->make_visible (visible);
 212   tui_win_info::make_visible (visible);
 213 }
 214
 215 /* Makes all windows invisible (except the command and locator
 216    windows).  */
 217 static void
 218 make_all_visible (bool 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]->make_visible (visible);
 226     }
 227
 228   return;
 229 }
 230
 231 void
 232 tui_make_all_visible (void)
 233 {
 234   make_all_visible (true);
 235 }
 236
 237 void
 238 tui_make_all_invisible (void)
 239 {
 240   make_all_visible (false);
 241 }
 242
 243 /* See tui-data.h.  */
 244
 245 void
 246 tui_win_info::refresh ()
 247 {
 248   touchwin (handle);
 249   refresh_window ();
 250 }
 251
 252 /* See tui-data.h.  */
 253
 254 void
 255 tui_source_window_base::refresh ()
 256 {
 257   touchwin (execution_info->handle);
 258   execution_info->refresh_window ();
 259   tui_win_info::refresh ();
 260 }
 261
 262 /* Function to refresh all the windows currently displayed.  */
 263
 264 void
 265 tui_refresh_all (struct tui_win_info **list)
 266 {
 267   int type;
 268   struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
 269
 270   for (type = SRC_WIN; (type < MAX_MAJOR_WINDOWS); type++)
 271     {
 272       if (list[type] && list[type]->is_visible)
 273         list[type]->refresh ();
 274     }
 275   if (locator->is_visible)
 276     {
 277       touchwin (locator->handle);
 278       locator->refresh_window ();
 279     }
 280 }
 281
 282
 283 /*********************************
 284 ** Local Static Functions
 285 *********************************/