[review v2] Move max_height method to tui_gen_win_info

[Tom Tromey (Code Review)]

Change URL: https://gnutoolchain-gerrit.osci.io/r/c/binutils-gdb/+/364
......................................................................

Move max_height method to tui_gen_win_info

This moves the max_height method to tui_gen_win_info and implements it
in the subclasses.  This is used by a subsequent patch, which will
normalize window layout across all window types.

gdb/ChangeLog
2019-11-06  Tom Tromey  <tom@tromey.com>

	* tui/tui-stack.h (struct tui_locator_window) <max_height>: New
	method.
	* tui/tui-regs.h (struct tui_data_item_window) <max_height>: New
	method.
	* tui/tui-data.h (struct tui_gen_win_info) <max_height>: New
	method.
	(struct tui_win_info) <max_height>: Now override.

Change-Id: I4ba3e8899bc4668328d3d78e3c1674c61882450d
---
M gdb/ChangeLog
M gdb/tui/tui-data.h
M gdb/tui/tui-regs.h
M gdb/tui/tui-stack.h
4 files changed, 24 insertions(+), 2 deletions(-)



diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 3939d43..1daaf14 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,15 @@
 2019-11-06  Tom Tromey  <tom@tromey.com>
 
+	* tui/tui-stack.h (struct tui_locator_window) <max_height>: New
+	method.
+	* tui/tui-regs.h (struct tui_data_item_window) <max_height>: New
+	method.
+	* tui/tui-data.h (struct tui_gen_win_info) <max_height>: New
+	method.
+	(struct tui_win_info) <max_height>: Now override.
+
+2019-11-06  Tom Tromey  <tom@tromey.com>
+
 	* tui/tui-layout.c (show_layout): Set current_layout.
 	(show_source_disasm_command, show_data)
 	(show_source_or_disasm_and_command): Don't set current_layout.
diff --git a/gdb/tui/tui-data.h b/gdb/tui/tui-data.h
index 8af1573..0131aa4 100644
--- a/gdb/tui/tui-data.h
+++ b/gdb/tui/tui-data.h
@@ -82,6 +82,9 @@
     return "";
   }
 
+  /* Compute the maximum height of this window.  */
+  virtual int max_height () const = 0;
+
   /* Resize this window.  The parameters are used to set the window's
      size and position.  */
   virtual void resize (int height, int width,
@@ -173,8 +176,7 @@
   {
   }
 
-  /* Compute the maximum height of this window.  */
-  virtual int max_height () const;
+  int max_height () const override;
 
   /* Called after the tab width has been changed.  */
   virtual void update_tab_width ()
diff --git a/gdb/tui/tui-regs.h b/gdb/tui/tui-regs.h
index e45a68f..d476bcf 100644
--- a/gdb/tui/tui-regs.h
+++ b/gdb/tui/tui-regs.h
@@ -41,6 +41,11 @@
 
   void refresh_window () override;
 
+  int max_height () const override
+  {
+    return 1;
+  }
+
   const char *name = nullptr;
   /* The register number, or data display number.  */
   int item_no = -1;
diff --git a/gdb/tui/tui-stack.h b/gdb/tui/tui-stack.h
index 93a79fb..dd9851b 100644
--- a/gdb/tui/tui-stack.h
+++ b/gdb/tui/tui-stack.h
@@ -37,6 +37,11 @@
     proc_name[0] = 0;
   }
 
+  int max_height () const override
+  {
+    return 1;
+  }
+
   void rerender () override;
 
   /* Update the locator, with the provided arguments.

-- 
Gerrit-Project: binutils-gdb
Gerrit-Branch: master
Gerrit-Change-Id: I4ba3e8899bc4668328d3d78e3c1674c61882450d
Gerrit-Change-Number: 364
Gerrit-PatchSet: 2
Gerrit-Owner: Tom Tromey <tromey@sourceware.org>
Gerrit-MessageType: newpatchset