ubsan: m10300: shift exponent -4
[deliverable/binutils-gdb.git] / gdb / tui / tui-wingeneral.c
index 2609a45f91d071396bb76b6fbd7144b32df449bd..dae4255ada2009e0cd3fdd68baffc20881d3782a 100644 (file)
@@ -1,7 +1,6 @@
 /* General window behavior.
 
-   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2007
-   Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
 
    Contributed by Hewlett-Packard Company.
 
@@ -9,7 +8,7 @@
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
 #include "tui/tui.h"
 #include "tui/tui-data.h"
+#include "tui/tui-io.h"
 #include "tui/tui-wingeneral.h"
 #include "tui/tui-win.h"
+#include "tui/tui-stack.h"
+#include "cli/cli-style.h"
 
 #include "gdb_curses.h"
 
-/***********************
-** PUBLIC FUNCTIONS
-***********************/
+/* See tui-data.h.  */
 
-/* Refresh the window.  */
 void
-tui_refresh_win (struct tui_gen_win_info *win_info)
+tui_gen_win_info::refresh_window ()
 {
-  if (win_info->type == DATA_WIN && win_info->content_size > 0)
-    {
-      int i;
-
-      for (i = 0; (i < win_info->content_size); i++)
-       {
-         struct tui_gen_win_info *data_item_win_ptr;
-
-         data_item_win_ptr = &((tui_win_content)
-                               win_info->content)[i]->which_element.data_window;
-         if (data_item_win_ptr != NULL
-             && data_item_win_ptr->handle != (WINDOW *) NULL)
-           wrefresh (data_item_win_ptr->handle);
-       }
-    }
-  else if (win_info->type == CMD_WIN)
-    {
-      /* Do nothing.  */
-    }
-  else
-    {
-      if (win_info->handle != (WINDOW *) NULL)
-       wrefresh (win_info->handle);
-    }
-
-  return;
+  if (handle != NULL)
+    wrefresh (handle.get ());
 }
 
-
-/* Function to delete the curses window, checking for NULL.  */
-void
-tui_delete_win (WINDOW *window)
-{
-  if (window != (WINDOW *) NULL)
-    delwin (window);
-
-  return;
-}
-
-
 /* Draw a border arround the window.  */
-void
-box_win (struct tui_gen_win_info *win_info, 
-        int highlight_flag)
+static void
+box_win (struct tui_win_info *win_info, 
+        bool highlight_flag)
 {
-  if (win_info && win_info->handle)
-    {
-      WINDOW *win;
-      int attrs;
-
-      win = win_info->handle;
-      if (highlight_flag == HILITE)
-        attrs = tui_active_border_attrs;
-      else
-        attrs = tui_border_attrs;
+  WINDOW *win;
+  int attrs;
 
-      wattron (win, attrs);
+  win = win_info->handle.get ();
+  if (highlight_flag)
+    attrs = tui_active_border_attrs;
+  else
+    attrs = tui_border_attrs;
+
+  /* tui_apply_style resets the style entirely, so be sure to call it
+     before applying ATTRS.  */
+  tui_apply_style (win, (highlight_flag
+                        ? tui_active_border_style.style ()
+                        : tui_border_style.style ()));
+  wattron (win, attrs);
 #ifdef HAVE_WBORDER
-      wborder (win, tui_border_vline, tui_border_vline,
-               tui_border_hline, tui_border_hline,
-               tui_border_ulcorner, tui_border_urcorner,
-               tui_border_llcorner, tui_border_lrcorner);
+  wborder (win, tui_border_vline, tui_border_vline,
+          tui_border_hline, tui_border_hline,
+          tui_border_ulcorner, tui_border_urcorner,
+          tui_border_llcorner, tui_border_lrcorner);
 #else
-      box (win, tui_border_vline, tui_border_hline);
+  box (win, tui_border_vline, tui_border_hline);
 #endif
-      if (win_info->title)
-        mvwaddstr (win, 0, 3, win_info->title);
-      wattroff (win, attrs);
+  if (!win_info->title.empty ())
+    {
+      /* Emit "+-TITLE-+" -- so 2 characters on the right and 2 on
+        the left.  */
+      int max_len = win_info->width - 2 - 2;
+
+      if (win_info->title.size () <= max_len)
+       mvwaddstr (win, 0, 3, win_info->title.c_str ());
+      else
+       {
+         std::string truncated
+           = "..." + win_info->title.substr (win_info->title.size ()
+                                             - max_len + 3);
+         mvwaddstr (win, 0, 3, truncated.c_str ());
+       }
     }
+  wattroff (win, attrs);
+  tui_apply_style (win, ui_file_style ());
 }
 
 
@@ -114,11 +92,12 @@ void
 tui_unhighlight_win (struct tui_win_info *win_info)
 {
   if (win_info != NULL 
-      && win_info->generic.handle != (WINDOW *) NULL)
+      && win_info->can_box ()
+      && win_info->handle != NULL)
     {
-      box_win ((struct tui_gen_win_info *) win_info, NO_HILITE);
-      wrefresh (win_info->generic.handle);
-      tui_set_win_highlight (win_info, 0);
+      box_win (win_info, false);
+      win_info->refresh_window ();
+      win_info->set_highlight (false);
     }
 }
 
@@ -127,158 +106,80 @@ void
 tui_highlight_win (struct tui_win_info *win_info)
 {
   if (win_info != NULL
-      && win_info->can_highlight
-      && win_info->generic.handle != (WINDOW *) NULL)
+      && win_info->can_box ()
+      && win_info->handle != NULL)
     {
-      box_win ((struct tui_gen_win_info *) win_info, HILITE);
-      wrefresh (win_info->generic.handle);
-      tui_set_win_highlight (win_info, 1);
+      box_win (win_info, true);
+      win_info->refresh_window ();
+      win_info->set_highlight (true);
     }
 }
 
 void
-tui_check_and_display_highlight_if_needed (struct tui_win_info *win_info)
+tui_win_info::check_and_display_highlight_if_needed ()
 {
-  if (win_info != NULL && win_info->generic.type != CMD_WIN)
+  if (can_box ())
     {
-      if (win_info->is_highlighted)
-       tui_highlight_win (win_info);
+      if (is_highlighted)
+       tui_highlight_win (this);
       else
-       tui_unhighlight_win (win_info);
-
+       tui_unhighlight_win (this);
     }
-  return;
 }
 
 
 void
-tui_make_window (struct tui_gen_win_info *win_info, int box_it)
+tui_gen_win_info::make_window ()
 {
-  WINDOW *handle;
-
-  handle = newwin (win_info->height,
-                  win_info->width,
-                  win_info->origin.y,
-                  win_info->origin.x);
-  win_info->handle = handle;
-  if (handle != (WINDOW *) NULL)
-    {
-      if (box_it == BOX_WINDOW)
-       box_win (win_info, NO_HILITE);
-      win_info->is_visible = TRUE;
-      scrollok (handle, TRUE);
-    }
+  handle.reset (newwin (height, width, y, x));
+  if (handle != NULL)
+    scrollok (handle.get (), TRUE);
 }
 
+void
+tui_win_info::make_window ()
+{
+  tui_gen_win_info::make_window ();
+  if (handle != NULL && can_box ())
+    box_win (this, false);
+}
 
 /* We can't really make windows visible, or invisible.  So we have to
    delete the entire window when making it visible, and create it
    again when making it visible.  */
-static void
-make_visible (struct tui_gen_win_info *win_info, int visible)
+void
+tui_gen_win_info::make_visible (bool visible)
 {
-  /* Don't tear down/recreate command window.  */
-  if (win_info->type == CMD_WIN)
+  if (is_visible () == visible)
     return;
 
   if (visible)
-    {
-      if (!win_info->is_visible)
-       {
-         tui_make_window (win_info,
-                          (win_info->type != CMD_WIN
-                           && !tui_win_is_auxillary (win_info->type)));
-         win_info->is_visible = TRUE;
-       }
-    }
-  else if (!visible
-          && win_info->is_visible
-          && win_info->handle != (WINDOW *) NULL)
-    {
-      win_info->is_visible = FALSE;
-      tui_delete_win (win_info->handle);
-      win_info->handle = (WINDOW *) NULL;
-    }
-
-  return;
-}
-
-void
-tui_make_visible (struct tui_gen_win_info *win_info)
-{
-  make_visible (win_info, 1);
-}
-
-void
-tui_make_invisible (struct tui_gen_win_info *win_info)
-{
-  make_visible (win_info, 0);
-}
-
-
-/* Makes all windows invisible (except the command and locator
-   windows).  */
-static void
-make_all_visible (int visible)
-{
-  int i;
-
-  for (i = 0; i < MAX_MAJOR_WINDOWS; i++)
-    {
-      if (tui_win_list[i] != NULL
-         && ((tui_win_list[i])->generic.type) != CMD_WIN)
-       {
-         if (tui_win_is_source_type ((tui_win_list[i])->generic.type))
-           make_visible ((tui_win_list[i])->detail.source_info.execution_info,
-                         visible);
-         make_visible ((struct tui_gen_win_info *) tui_win_list[i], visible);
-       }
-    }
-
-  return;
+    make_window ();
+  else
+    handle.reset (nullptr);
 }
 
-void
-tui_make_all_visible (void)
-{
-  make_all_visible (1);
-}
+/* See tui-wingeneral.h.  */
 
 void
 tui_make_all_invisible (void)
 {
-  make_all_visible (0);
+  for (tui_win_info *win_info : all_tui_windows ())
+    win_info->make_visible (false);
 }
 
 /* Function to refresh all the windows currently displayed.  */
 
 void
-tui_refresh_all (struct tui_win_info **list)
+tui_refresh_all ()
 {
-  enum tui_win_type type;
-  struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
+  struct tui_locator_window *locator = tui_locator_win_info_ptr ();
 
-  for (type = SRC_WIN; (type < MAX_MAJOR_WINDOWS); type++)
+  for (tui_win_info *win_info : all_tui_windows ())
     {
-      if (list[type] && list[type]->generic.is_visible)
-       {
-         if (type == SRC_WIN || type == DISASSEM_WIN)
-           {
-             touchwin (list[type]->detail.source_info.execution_info->handle);
-             tui_refresh_win (list[type]->detail.source_info.execution_info);
-           }
-         touchwin (list[type]->generic.handle);
-         tui_refresh_win (&list[type]->generic);
-       }
-    }
-  if (locator->is_visible)
-    {
-      touchwin (locator->handle);
-      tui_refresh_win (locator);
+      if (win_info->is_visible ())
+       win_info->refresh_window ();
     }
+  if (locator->is_visible ())
+    locator->refresh_window ();
 }
-
-
-/*********************************
-** Local Static Functions
-*********************************/
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