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     {
  41       touchwin (handle);
  42       wrefresh (handle);
  43     }
  44 }
  45
  46 /* See tui-data.h.  */
  47
  48 void
  49 tui_data_window::refresh_window ()
  50 {
  51   tui_gen_win_info::refresh_window ();
  52   for (auto &&win : regs_content)
  53     {
  54       if (win != NULL)
  55         win->refresh_window ();
  56     }
  57 }
  58
  59 /* Function to delete the curses window, checking for NULL.  */
  60 void
  61 tui_delete_win (WINDOW *window)
  62 {
  63   if (window != NULL)
  64     delwin (window);
  65 }
  66
  67
  68 /* Draw a border arround the window.  */
  69 static void
  70 box_win (struct tui_gen_win_info *win_info,
  71          int highlight_flag)
  72 {
  73   if (win_info && win_info->handle)
  74     {
  75       WINDOW *win;
  76       int attrs;
  77
  78       win = win_info->handle;
  79       if (highlight_flag == HILITE)
  80         attrs = tui_active_border_attrs;
  81       else
  82         attrs = tui_border_attrs;
  83
  84       wattron (win, attrs);
  85 #ifdef HAVE_WBORDER
  86       wborder (win, tui_border_vline, tui_border_vline,
  87                tui_border_hline, tui_border_hline,
  88                tui_border_ulcorner, tui_border_urcorner,
  89                tui_border_llcorner, tui_border_lrcorner);
  90 #else
  91       box (win, tui_border_vline, tui_border_hline);
  92 #endif
  93       if (win_info->title)
  94         mvwaddstr (win, 0, 3, win_info->title);
  95       wattroff (win, attrs);
  96     }
  97 }
  98
  99
 100 void
 101 tui_unhighlight_win (struct tui_win_info *win_info)
 102 {
 103   if (win_info != NULL
 104       && win_info->can_highlight
 105       && win_info->handle != NULL)
 106     {
 107       box_win (win_info, NO_HILITE);
 108       win_info->refresh_window ();
 109       win_info->set_highlight (false);
 110     }
 111 }
 112
 113
 114 void
 115 tui_highlight_win (struct tui_win_info *win_info)
 116 {
 117   if (win_info != NULL
 118       && win_info->can_highlight
 119       && win_info->handle != NULL)
 120     {
 121       box_win (win_info, HILITE);
 122       win_info->refresh_window ();
 123       win_info->set_highlight (true);
 124     }
 125 }
 126
 127 void
 128 tui_check_and_display_highlight_if_needed (struct tui_win_info *win_info)
 129 {
 130   if (win_info != NULL && win_info->can_highlight)
 131     {
 132       if (win_info->is_highlighted)
 133         tui_highlight_win (win_info);
 134       else
 135         tui_unhighlight_win (win_info);
 136
 137     }
 138   return;
 139 }
 140
 141
 142 void
 143 tui_make_window (struct tui_gen_win_info *win_info, enum tui_box box_it)
 144 {
 145   WINDOW *handle;
 146
 147   handle = newwin (win_info->height,
 148                    win_info->width,
 149                    win_info->origin.y,
 150                    win_info->origin.x);
 151   win_info->handle = handle;
 152   if (handle != NULL)
 153     {
 154       if (box_it == BOX_WINDOW)
 155         box_win (win_info, NO_HILITE);
 156       win_info->is_visible = true;
 157       scrollok (handle, TRUE);
 158     }
 159 }
 160
 161
 162 /* We can't really make windows visible, or invisible.  So we have to
 163    delete the entire window when making it visible, and create it
 164    again when making it visible.  */
 165 void
 166 tui_gen_win_info::make_visible (bool visible)
 167 {
 168   if (visible)
 169     {
 170       if (!is_visible)
 171         {
 172           tui_make_window (this, (tui_win_is_auxiliary (type)
 173                                   ? DONT_BOX_WINDOW : BOX_WINDOW));
 174           is_visible = true;
 175         }
 176     }
 177   else if (!visible
 178            && is_visible
 179            && handle != NULL)
 180     {
 181       is_visible = false;
 182       tui_delete_win (handle);
 183       handle = NULL;
 184     }
 185 }
 186
 187 void
 188 tui_make_visible (struct tui_gen_win_info *win_info)
 189 {
 190   win_info->make_visible (true);
 191 }
 192
 193 void
 194 tui_make_invisible (struct tui_gen_win_info *win_info)
 195 {
 196   win_info->make_visible (false);
 197 }
 198
 199 /* See tui-data.h.  */
 200
 201 void
 202 tui_source_window_base::make_visible (bool visible)
 203 {
 204   if (execution_info != nullptr)
 205     execution_info->make_visible (visible);
 206   tui_win_info::make_visible (visible);
 207 }
 208
 209 /* Makes all windows invisible (except the command and locator
 210    windows).  */
 211 static void
 212 make_all_visible (bool visible)
 213 {
 214   for (tui_win_info *win_info : all_tui_windows ())
 215     win_info->make_visible (visible);
 216 }
 217
 218 void
 219 tui_make_all_visible (void)
 220 {
 221   make_all_visible (true);
 222 }
 223
 224 void
 225 tui_make_all_invisible (void)
 226 {
 227   make_all_visible (false);
 228 }
 229
 230 /* See tui-data.h.  */
 231
 232 void
 233 tui_source_window_base::refresh_window ()
 234 {
 235   execution_info->refresh_window ();
 236   tui_win_info::refresh_window ();
 237 }
 238
 239 /* Function to refresh all the windows currently displayed.  */
 240
 241 void
 242 tui_refresh_all ()
 243 {
 244   struct tui_locator_window *locator = tui_locator_win_info_ptr ();
 245
 246   for (tui_win_info *win_info : all_tui_windows ())
 247     {
 248       if (win_info->is_visible)
 249         win_info->refresh_window ();
 250     }
 251   if (locator->is_visible)
 252     locator->refresh_window ();
 253 }
 254
 255
 256 /*********************************
 257 ** Local Static Functions
 258 *********************************/