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   if (!regs_content.empty ())
  52     {
  53       for (auto &&win : regs_content)
  54         {
  55           if (win != NULL)
  56             win->refresh_window ();
  57         }
  58     }
  59   tui_gen_win_info::refresh_window ();
  60 }
  61
  62 /* Function to delete the curses window, checking for NULL.  */
  63 void
  64 tui_delete_win (WINDOW *window)
  65 {
  66   if (window != NULL)
  67     delwin (window);
  68 }
  69
  70
  71 /* Draw a border arround the window.  */
  72 static void
  73 box_win (struct tui_gen_win_info *win_info,
  74          int highlight_flag)
  75 {
  76   if (win_info && win_info->handle)
  77     {
  78       WINDOW *win;
  79       int attrs;
  80
  81       win = win_info->handle;
  82       if (highlight_flag == HILITE)
  83         attrs = tui_active_border_attrs;
  84       else
  85         attrs = tui_border_attrs;
  86
  87       wattron (win, attrs);
  88 #ifdef HAVE_WBORDER
  89       wborder (win, tui_border_vline, tui_border_vline,
  90                tui_border_hline, tui_border_hline,
  91                tui_border_ulcorner, tui_border_urcorner,
  92                tui_border_llcorner, tui_border_lrcorner);
  93 #else
  94       box (win, tui_border_vline, tui_border_hline);
  95 #endif
  96       if (win_info->title)
  97         mvwaddstr (win, 0, 3, win_info->title);
  98       wattroff (win, attrs);
  99     }
 100 }
 101
 102
 103 void
 104 tui_unhighlight_win (struct tui_win_info *win_info)
 105 {
 106   if (win_info != NULL
 107       && win_info->can_highlight
 108       && win_info->handle != NULL)
 109     {
 110       box_win (win_info, NO_HILITE);
 111       wrefresh (win_info->handle);
 112       win_info->set_highlight (false);
 113     }
 114 }
 115
 116
 117 void
 118 tui_highlight_win (struct tui_win_info *win_info)
 119 {
 120   if (win_info != NULL
 121       && win_info->can_highlight
 122       && win_info->handle != NULL)
 123     {
 124       box_win (win_info, HILITE);
 125       wrefresh (win_info->handle);
 126       win_info->set_highlight (true);
 127     }
 128 }
 129
 130 void
 131 tui_check_and_display_highlight_if_needed (struct tui_win_info *win_info)
 132 {
 133   if (win_info != NULL && win_info->can_highlight)
 134     {
 135       if (win_info->is_highlighted)
 136         tui_highlight_win (win_info);
 137       else
 138         tui_unhighlight_win (win_info);
 139
 140     }
 141   return;
 142 }
 143
 144
 145 void
 146 tui_make_window (struct tui_gen_win_info *win_info, enum tui_box box_it)
 147 {
 148   WINDOW *handle;
 149
 150   handle = newwin (win_info->height,
 151                    win_info->width,
 152                    win_info->origin.y,
 153                    win_info->origin.x);
 154   win_info->handle = handle;
 155   if (handle != NULL)
 156     {
 157       if (box_it == BOX_WINDOW)
 158         box_win (win_info, NO_HILITE);
 159       win_info->is_visible = true;
 160       scrollok (handle, TRUE);
 161     }
 162 }
 163
 164
 165 /* We can't really make windows visible, or invisible.  So we have to
 166    delete the entire window when making it visible, and create it
 167    again when making it visible.  */
 168 void
 169 tui_gen_win_info::make_visible (bool visible)
 170 {
 171   if (visible)
 172     {
 173       if (!is_visible)
 174         {
 175           tui_make_window (this, (tui_win_is_auxiliary (type)
 176                                   ? DONT_BOX_WINDOW : BOX_WINDOW));
 177           is_visible = true;
 178         }
 179     }
 180   else if (!visible
 181            && is_visible
 182            && handle != NULL)
 183     {
 184       is_visible = false;
 185       tui_delete_win (handle);
 186       handle = NULL;
 187     }
 188 }
 189
 190 void
 191 tui_make_visible (struct tui_gen_win_info *win_info)
 192 {
 193   win_info->make_visible (true);
 194 }
 195
 196 void
 197 tui_make_invisible (struct tui_gen_win_info *win_info)
 198 {
 199   win_info->make_visible (false);
 200 }
 201
 202 /* See tui-data.h.  */
 203
 204 void
 205 tui_source_window_base::make_visible (bool visible)
 206 {
 207   if (execution_info != nullptr)
 208     execution_info->make_visible (visible);
 209   tui_win_info::make_visible (visible);
 210 }
 211
 212 /* Makes all windows invisible (except the command and locator
 213    windows).  */
 214 static void
 215 make_all_visible (bool visible)
 216 {
 217   for (tui_win_info *win_info : all_tui_windows ())
 218     win_info->make_visible (visible);
 219 }
 220
 221 void
 222 tui_make_all_visible (void)
 223 {
 224   make_all_visible (true);
 225 }
 226
 227 void
 228 tui_make_all_invisible (void)
 229 {
 230   make_all_visible (false);
 231 }
 232
 233 /* See tui-data.h.  */
 234
 235 void
 236 tui_source_window_base::refresh_window ()
 237 {
 238   execution_info->refresh_window ();
 239   tui_win_info::refresh_window ();
 240 }
 241
 242 /* Function to refresh all the windows currently displayed.  */
 243
 244 void
 245 tui_refresh_all ()
 246 {
 247   struct tui_locator_window *locator = tui_locator_win_info_ptr ();
 248
 249   for (tui_win_info *win_info : all_tui_windows ())
 250     {
 251       if (win_info->is_visible)
 252         win_info->refresh_window ();
 253     }
 254   if (locator->is_visible)
 255     locator->refresh_window ();
 256 }
 257
 258
 259 /*********************************
 260 ** Local Static Functions
 261 *********************************/