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Introduce the tui_gen_win_info::min_height method

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This introduces a new method, tui_gen_win_info::min_height, to fetch
the minimum height of a window.  This is used in the subsequent
unified layout patch.

gdb/ChangeLog
2019-12-11  Tom Tromey  <tom@tromey.com>

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

Change-Id: Id33baffdf041fde072e15c1ff89b75f8b8118adb
This commit is contained in:
Tom Tromey 2019-10-07 17:36:49 -06:00
parent 1431937bee
commit dc7ff8a608
4 changed files with 28 additions and 0 deletions
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10
gdb/ChangeLog
View File

@ -1,3 +1,13 @@
2019-12-11 Tom Tromey <tom@tromey.com>
* tui/tui-stack.h (struct tui_locator_window) <min_height>:
Implement.
* tui/tui-regs.h (struct tui_data_item_window) <min_height>:
Implement.
* tui/tui-data.h (struct tui_gen_win_info) <min_height>: New
method.
(struct tui_win_info) <min_height>: Implement.
2019-12-11 Tom Tromey <tom@tromey.com>
* tui/tui-data.h (struct tui_gen_win_info) <can_box>: New method.

8
gdb/tui/tui-data.h
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@ -85,6 +85,9 @@ public:
/* Compute the maximum height of this window. */
virtual int max_height () const = 0;
/* Compute the minimum height of this window. */
virtual int min_height () const = 0;
/* Return true if this window can be boxed. */
virtual bool can_box () const
{
@ -184,6 +187,11 @@ public:
int max_height () const override;
int min_height () const override
{
return MIN_WIN_HEIGHT;
}
/* Called after the tab width has been changed. */
virtual void update_tab_width ()
{

5
gdb/tui/tui-regs.h
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@ -46,6 +46,11 @@ struct tui_data_item_window : public tui_gen_win_info
return 1;
}
int min_height () const override
{
return 1;
}
const char *name = nullptr;
/* The register number, or data display number. */
int item_no = -1;

5
gdb/tui/tui-stack.h
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@ -42,6 +42,11 @@ struct tui_locator_window : public tui_gen_win_info
return 1;
}
int min_height () const override
{
return 1;
}
void rerender () override;
/* Update the locator, with the provided arguments.