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 (is_visible == visible)
 169     return;
 170   is_visible = visible;
 171
 172   if (visible)
 173     tui_make_window (this, (tui_win_is_auxiliary (type)
 174                             ? DONT_BOX_WINDOW : BOX_WINDOW));
 175   else
 176     {
 177       tui_delete_win (handle);
 178       handle = NULL;
 179     }
 180 }
 181
 182 /* See tui-data.h.  */
 183
 184 void
 185 tui_source_window_base::make_visible (bool visible)
 186 {
 187   execution_info->make_visible (visible);
 188   tui_win_info::make_visible (visible);
 189 }
 190
 191 /* Makes all windows invisible (except the command and locator
 192    windows).  */
 193 static void
 194 make_all_visible (bool visible)
 195 {
 196   for (tui_win_info *win_info : all_tui_windows ())
 197     win_info->make_visible (visible);
 198 }
 199
 200 void
 201 tui_make_all_visible (void)
 202 {
 203   make_all_visible (true);
 204 }
 205
 206 void
 207 tui_make_all_invisible (void)
 208 {
 209   make_all_visible (false);
 210 }
 211
 212 /* See tui-data.h.  */
 213
 214 void
 215 tui_source_window_base::refresh_window ()
 216 {
 217   execution_info->refresh_window ();
 218   tui_win_info::refresh_window ();
 219 }
 220
 221 /* Function to refresh all the windows currently displayed.  */
 222
 223 void
 224 tui_refresh_all ()
 225 {
 226   struct tui_locator_window *locator = tui_locator_win_info_ptr ();
 227
 228   for (tui_win_info *win_info : all_tui_windows ())
 229     {
 230       if (win_info->is_visible)
 231         win_info->refresh_window ();
 232     }
 233   if (locator->is_visible)
 234     locator->refresh_window ();
 235 }
 236
 237
 238 /*********************************
 239 ** Local Static Functions
 240 *********************************/