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1 /* TUI data manipulation routines.
3 Copyright (C) 1998-2023 Free Software Foundation, Inc.
5 Contributed by Hewlett-Packard Company.
7 This file is part of GDB.
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.
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.
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/>. */
22 #ifndef TUI_TUI_DATA_H
23 #define TUI_TUI_DATA_H
26 #include "gdb_curses.h" /* For WINDOW. */
27 #include "observable.h"
29 /* A deleter that calls delwin. */
32 void operator() (WINDOW
*win
) const
38 #define MIN_WIN_HEIGHT 3
40 /* Generic window information. */
45 tui_win_info () = default;
46 DISABLE_COPY_AND_ASSIGN (tui_win_info
);
48 /* This is called after the window is resized, and should update the
50 virtual void rerender ();
52 virtual void make_window ();
55 tui_win_info (tui_win_info
&&) = default;
56 virtual ~tui_win_info () = default;
58 /* Call to refresh this window. */
59 virtual void refresh_window ();
61 /* Make this window visible or invisible. */
62 virtual void make_visible (bool visible
);
64 /* Return the name of this type of window. */
65 virtual const char *name () const = 0;
67 /* Compute the maximum height of this window. */
68 virtual int max_height () const;
70 /* Compute the minimum height of this window. */
71 virtual int min_height () const
73 return MIN_WIN_HEIGHT
;
76 /* Compute the maximum width of this window. */
77 int max_width () const;
79 /* Compute the minimum width of this window. */
80 int min_width () const
85 /* Return true if this window can be boxed. */
86 virtual bool can_box () const
91 /* Resize this window. The parameters are used to set the window's
93 virtual void resize (int height
, int width
,
94 int origin_x
, int origin_y
);
96 /* Return true if this window is visible. */
97 bool is_visible () const
99 return handle
!= nullptr && tui_active
;
102 /* Return true if this window can accept the focus. */
103 virtual bool can_focus () const
108 /* Disable output until the next call to doupdate. */
111 if (handle
!= nullptr)
112 wnoutrefresh (handle
.get ());
115 /* Called after the tab width has been changed. */
116 virtual void update_tab_width ()
120 /* Set whether this window is highlighted. */
121 void set_highlight (bool highlight
)
123 is_highlighted
= highlight
;
126 /* Methods to scroll the contents of this window. Note that they
127 are named with "_scroll" coming at the end because the more
128 obvious "scroll_forward" is defined as a macro in term.h. */
129 void forward_scroll (int num_to_scroll
);
130 void backward_scroll (int num_to_scroll
);
131 void left_scroll (int num_to_scroll
);
132 void right_scroll (int num_to_scroll
);
134 /* Return true if this window can be scrolled, false otherwise. */
135 virtual bool can_scroll () const
140 /* Called for each mouse click inside this window. Coordinates MOUSE_X
141 and MOUSE_Y are 0-based relative to the window, and MOUSE_BUTTON can
142 be 1 (left), 2 (middle), or 3 (right). */
143 virtual void click (int mouse_x
, int mouse_y
, int mouse_button
)
147 void check_and_display_highlight_if_needed ();
149 /* A helper function to change the title and then redraw the
150 surrounding box, if needed. */
151 void set_title (const char *new_title
);
154 std::unique_ptr
<WINDOW
, curses_deleter
> handle
;
159 /* Origin of window. */
163 /* Window title to display. */
166 /* Is this window highlighted? */
167 bool is_highlighted
= false;
171 /* Scroll the contents vertically. This is only called via
172 forward_scroll and backward_scroll. */
173 virtual void do_scroll_vertical (int num_to_scroll
) = 0;
175 /* Scroll the contents horizontally. This is only called via
176 left_scroll and right_scroll. */
177 virtual void do_scroll_horizontal (int num_to_scroll
) = 0;
180 /* Constant definitions. */
181 #define SRC_NAME "src"
182 #define CMD_NAME "cmd"
183 #define DATA_NAME "regs"
184 #define DISASSEM_NAME "asm"
185 #define STATUS_NAME "status"
188 extern struct tui_win_info
*tui_win_list
[MAX_MAJOR_WINDOWS
];
190 #define TUI_SRC_WIN ((tui_source_window *) tui_win_list[SRC_WIN])
191 #define TUI_DISASM_WIN ((tui_disasm_window *) tui_win_list[DISASSEM_WIN])
192 #define TUI_DATA_WIN ((tui_data_window *) tui_win_list[DATA_WIN])
193 #define TUI_CMD_WIN ((tui_cmd_window *) tui_win_list[CMD_WIN])
194 #define TUI_STATUS_WIN ((tui_locator_window *) tui_win_list[STATUS_WIN])
196 /* All the windows that are currently instantiated, in layout
198 extern std::vector
<tui_win_info
*> tui_windows
;
200 /* Return a range adapter for iterating over TUI windows. */
201 static inline std::vector
<tui_win_info
*> &
207 /* Data Manipulation Functions. */
208 extern int tui_term_height (void);
209 extern void tui_set_term_height_to (int);
210 extern int tui_term_width (void);
211 extern void tui_set_term_width_to (int);
212 extern struct tui_win_info
*tui_win_with_focus (void);
213 extern bool tui_win_resized ();
214 extern void tui_set_win_resized_to (bool);
216 extern struct tui_win_info
*tui_next_win (struct tui_win_info
*);
217 extern struct tui_win_info
*tui_prev_win (struct tui_win_info
*);
219 extern unsigned int tui_tab_width
;
221 #endif /* TUI_TUI_DATA_H */