X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Ftui%2Ftui-win.c;h=cbeff1f3a2d0d693927edd1f8dc15a82e3da564e;hb=eb4c3f4aaae2ee1b27c210e951260a7e699133b4;hp=9b858336946ae4d8dc5b8be258e4529b96124e1e;hpb=206415a3eac4f69d24cf872f880f554d3d43f1bb;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/tui/tui-win.c b/gdb/tui/tui-win.c index 9b85833694..cbeff1f3a2 100644 --- a/gdb/tui/tui-win.c +++ b/gdb/tui/tui-win.c @@ -1,7 +1,6 @@ /* TUI window generic functions. - Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006, 2007 - Free Software Foundation, Inc. + Copyright (C) 1998-2017 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, @@ -18,9 +17,7 @@ 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 . */ /* This module contains procedures for handling tui window functions like resize, scrolling, scrolling, changing focus, etc. @@ -35,8 +32,10 @@ #include "cli/cli-cmds.h" #include "top.h" #include "source.h" +#include "event-loop.h" #include "tui/tui.h" +#include "tui/tui-io.h" #include "tui/tui-data.h" #include "tui/tui-wingeneral.h" #include "tui/tui-stack.h" @@ -45,39 +44,43 @@ #include "tui/tui-source.h" #include "tui/tui-winsource.h" #include "tui/tui-windata.h" +#include "tui/tui-win.h" #include "gdb_curses.h" - -#include "gdb_string.h" #include #include "readline/readline.h" +#include + /******************************* ** Static Local Decls ********************************/ static void make_visible_with_new_height (struct tui_win_info *); -static void make_invisible_and_set_new_height (struct tui_win_info *, int); -static enum tui_status tui_adjust_win_heights (struct tui_win_info *, int); +static void make_invisible_and_set_new_height (struct tui_win_info *, + int); +static enum tui_status tui_adjust_win_heights (struct tui_win_info *, + int); static int new_height_ok (struct tui_win_info *, int); -static void tui_set_tab_width_command (char *, int); -static void tui_refresh_all_command (char *, int); -static void tui_set_win_height_command (char *, int); -static void tui_xdb_set_win_height_command (char *, int); -static void tui_all_windows_info (char *, int); -static void tui_set_focus_command (char *, int); -static void tui_scroll_forward_command (char *, int); -static void tui_scroll_backward_command (char *, int); -static void tui_scroll_left_command (char *, int); -static void tui_scroll_right_command (char *, int); -static void parse_scrolling_args (char *, struct tui_win_info * *, int *); +static void tui_set_tab_width_command (const char *, int); +static void tui_refresh_all_command (const char *, int); +static void tui_set_win_height_command (const char *, int); +static void tui_all_windows_info (const char *, int); +static void tui_set_focus_command (const char *, int); +static void tui_scroll_forward_command (const char *, int); +static void tui_scroll_backward_command (const char *, int); +static void tui_scroll_left_command (const char *, int); +static void tui_scroll_right_command (const char *, int); +static void parse_scrolling_args (const char *, + struct tui_win_info **, + int *); /*************************************** ** DEFINITIONS ***************************************/ -#define WIN_HEIGHT_USAGE "Usage: winheight [+ | -] <#lines>\n" -#define XDBWIN_HEIGHT_USAGE "Usage: w <#lines>\n" -#define FOCUS_USAGE "Usage: focus { | next | prev}\n" +#define WIN_HEIGHT_USAGE "Usage: winheight [+ | -] <#lines>\n" +#define XDBWIN_HEIGHT_USAGE "Usage: w <#lines>\n" +#define FOCUS_USAGE "Usage: focus { | next | prev}\n" /*************************************** ** PUBLIC FUNCTIONS @@ -103,7 +106,7 @@ static void parse_scrolling_args (char *, struct tui_win_info * *, int *); #endif /* Possible values for tui-border-kind variable. */ -static const char *tui_border_kind_enums[] = { +static const char *const tui_border_kind_enums[] = { "space", "ascii", "acs", @@ -111,7 +114,7 @@ static const char *tui_border_kind_enums[] = { }; /* Possible values for tui-border-mode and tui-active-border-mode. */ -static const char *tui_border_mode_enums[] = { +static const char *const tui_border_mode_enums[] = { "normal", "standout", "reverse", @@ -199,8 +202,10 @@ struct tui_translate tui_border_kind_translate_lrcorner[] = { /* Tui configuration variables controlled with set/show command. */ const char *tui_active_border_mode = "bold-standout"; static void -show_tui_active_border_mode (struct ui_file *file, int from_tty, - struct cmd_list_element *c, const char *value) +show_tui_active_border_mode (struct ui_file *file, + int from_tty, + struct cmd_list_element *c, + const char *value) { fprintf_filtered (file, _("\ The attribute mode to use for the active TUI window border is \"%s\".\n"), @@ -209,8 +214,10 @@ The attribute mode to use for the active TUI window border is \"%s\".\n"), const char *tui_border_mode = "normal"; static void -show_tui_border_mode (struct ui_file *file, int from_tty, - struct cmd_list_element *c, const char *value) +show_tui_border_mode (struct ui_file *file, + int from_tty, + struct cmd_list_element *c, + const char *value) { fprintf_filtered (file, _("\ The attribute mode to use for the TUI window borders is \"%s\".\n"), @@ -219,16 +226,18 @@ The attribute mode to use for the TUI window borders is \"%s\".\n"), const char *tui_border_kind = "acs"; static void -show_tui_border_kind (struct ui_file *file, int from_tty, - struct cmd_list_element *c, const char *value) +show_tui_border_kind (struct ui_file *file, + int from_tty, + struct cmd_list_element *c, + const char *value) { fprintf_filtered (file, _("The kind of border for TUI windows is \"%s\".\n"), value); } -/* Tui internal configuration variables. These variables are - updated by tui_update_variables to reflect the tui configuration +/* Tui internal configuration variables. These variables are updated + by tui_update_variables to reflect the tui configuration variables. */ chtype tui_border_vline; chtype tui_border_hline; @@ -307,23 +316,23 @@ tui_update_variables (void) } static void -set_tui_cmd (char *args, int from_tty) +set_tui_cmd (const char *args, int from_tty) { } static void -show_tui_cmd (char *args, int from_tty) +show_tui_cmd (const char *args, int from_tty) { } static struct cmd_list_element *tuilist; static void -tui_command (char *args, int from_tty) +tui_command (const char *args, int from_tty) { printf_unfiltered (_("\"tui\" must be followed by the name of a " "tui command.\n")); - help_list (tuilist, "tui ", -1, gdb_stdout); + help_list (tuilist, "tui ", all_commands, gdb_stdout); } struct cmd_list_element ** @@ -336,34 +345,123 @@ tui_get_cmd_list (void) return &tuilist; } -/* Function to initialize gdb commands, for tui window manipulation. */ +/* The set_func hook of "set tui ..." commands that affect the window + borders on the TUI display. */ +void +tui_set_var_cmd (const char *null_args, + int from_tty, struct cmd_list_element *c) +{ + if (tui_update_variables () && tui_active) + tui_rehighlight_all (); +} + +/* Generic window name completion function. Complete window name pointed + to by TEXT and WORD. If INCLUDE_NEXT_PREV_P is true then the special + window names 'next' and 'prev' will also be considered as possible + completions of the window name. */ + +static void +window_name_completer (completion_tracker &tracker, + int include_next_prev_p, + const char *text, const char *word) +{ + VEC (const_char_ptr) *completion_name_vec = NULL; + int win_type; + + for (win_type = SRC_WIN; win_type < MAX_MAJOR_WINDOWS; win_type++) + { + const char *completion_name = NULL; + + /* We can't focus on an invisible window. */ + if (tui_win_list[win_type] == NULL + || !tui_win_list[win_type]->generic.is_visible) + continue; + + completion_name = tui_win_name (&tui_win_list [win_type]->generic); + gdb_assert (completion_name != NULL); + VEC_safe_push (const_char_ptr, completion_name_vec, completion_name); + } + + /* If no windows are considered visible then the TUI has not yet been + initialized. But still "focus src" and "focus cmd" will work because + invoking the focus command will entail initializing the TUI which sets the + default layout to SRC_COMMAND. */ + if (VEC_length (const_char_ptr, completion_name_vec) == 0) + { + VEC_safe_push (const_char_ptr, completion_name_vec, SRC_NAME); + VEC_safe_push (const_char_ptr, completion_name_vec, CMD_NAME); + } + + if (include_next_prev_p) + { + VEC_safe_push (const_char_ptr, completion_name_vec, "next"); + VEC_safe_push (const_char_ptr, completion_name_vec, "prev"); + } + + VEC_safe_push (const_char_ptr, completion_name_vec, NULL); + complete_on_enum (tracker, + VEC_address (const_char_ptr, completion_name_vec), + text, word); + + VEC_free (const_char_ptr, completion_name_vec); +} + +/* Complete possible window names to focus on. TEXT is the complete text + entered so far, WORD is the word currently being completed. */ + +static void +focus_completer (struct cmd_list_element *ignore, + completion_tracker &tracker, + const char *text, const char *word) +{ + window_name_completer (tracker, 1, text, word); +} + +/* Complete possible window names for winheight command. TEXT is the + complete text entered so far, WORD is the word currently being + completed. */ + +static void +winheight_completer (struct cmd_list_element *ignore, + completion_tracker &tracker, + const char *text, const char *word) +{ + /* The first word is the window name. That we can complete. Subsequent + words can't be completed. */ + if (word != text) + return; + + window_name_completer (tracker, 0, text, word); +} + +/* Function to initialize gdb commands, for tui window + manipulation. */ + void _initialize_tui_win (void) { - struct cmd_list_element *c; static struct cmd_list_element *tui_setlist; static struct cmd_list_element *tui_showlist; + struct cmd_list_element *cmd; /* Define the classes of commands. They will appear in the help list in the reverse of this order. */ add_prefix_cmd ("tui", class_tui, set_tui_cmd, _("TUI configuration variables"), &tui_setlist, "set tui ", - 0/*allow-unknown*/, &setlist); + 0 /* allow-unknown */, &setlist); add_prefix_cmd ("tui", class_tui, show_tui_cmd, _("TUI configuration variables"), &tui_showlist, "show tui ", - 0/*allow-unknown*/, &showlist); + 0 /* allow-unknown */, &showlist); add_com ("refresh", class_tui, tui_refresh_all_command, _("Refresh the terminal display.\n")); - if (xdb_commands) - add_com_alias ("U", "refresh", class_tui, 0); add_com ("tabset", class_tui, tui_set_tab_width_command, _("\ Set the width (in characters) of tab stops.\n\ Usage: tabset \n")); - add_com ("winheight", class_tui, tui_set_win_height_command, _("\ -Set the height of a specified window.\n\ + cmd = add_com ("winheight", class_tui, tui_set_win_height_command, _("\ +Set or modify the height of a specified window.\n\ Usage: winheight [+ | -] <#lines>\n\ Window names are:\n\ src : the source window\n\ @@ -371,9 +469,10 @@ cmd : the command window\n\ asm : the disassembly window\n\ regs : the register display\n")); add_com_alias ("wh", "winheight", class_tui, 0); + set_cmd_completer (cmd, winheight_completer); add_info ("win", tui_all_windows_info, _("List of all displayed windows.\n")); - add_com ("focus", class_tui, tui_set_focus_command, _("\ + cmd = add_com ("focus", class_tui, tui_set_focus_command, _("\ Set focus to named window or next/prev window.\n\ Usage: focus { | next | prev}\n\ Valid Window names are:\n\ @@ -382,6 +481,7 @@ asm : the disassembly window\n\ regs : the register display\n\ cmd : the command window\n")); add_com_alias ("fs", "focus", class_tui, 0); + set_cmd_completer (cmd, focus_completer); add_com ("+", class_tui, tui_scroll_forward_command, _("\ Scroll window forward.\n\ Usage: + [win] [n]\n")); @@ -389,15 +489,11 @@ Usage: + [win] [n]\n")); Scroll window backward.\n\ Usage: - [win] [n]\n")); add_com ("<", class_tui, tui_scroll_left_command, _("\ -Scroll window forward.\n\ +Scroll window text to the left.\n\ Usage: < [win] [n]\n")); add_com (">", class_tui, tui_scroll_right_command, _("\ -Scroll window backward.\n\ +Scroll window text to the right.\n\ Usage: > [win] [n]\n")); - if (xdb_commands) - add_com ("w", class_xdb, tui_xdb_set_win_height_command, _("\ -XDB compatibility command for setting the height of a command window.\n\ -Usage: w <#lines>\n")); /* Define the tui control variables. */ add_setshow_enum_cmd ("border-kind", no_class, tui_border_kind_enums, @@ -408,7 +504,7 @@ This variable controls the border of TUI windows:\n\ space use a white space\n\ ascii use ascii characters + - | for the border\n\ acs use the Alternate Character Set"), - NULL, + tui_set_var_cmd, show_tui_border_kind, &tui_setlist, &tui_showlist); @@ -424,7 +520,7 @@ half use half bright\n\ half-standout use half bright and standout mode\n\ bold use extra bright or bold\n\ bold-standout use extra bright or bold with standout mode"), - NULL, + tui_set_var_cmd, show_tui_border_mode, &tui_setlist, &tui_showlist); @@ -440,7 +536,7 @@ half use half bright\n\ half-standout use half bright and standout mode\n\ bold use extra bright or bold\n\ bold-standout use extra bright or bold with standout mode"), - NULL, + tui_set_var_cmd, show_tui_active_border_mode, &tui_setlist, &tui_showlist); } @@ -449,25 +545,30 @@ bold-standout use extra bright or bold with standout mode"), void tui_update_gdb_sizes (void) { - char cmd[50]; - - /* Set to TUI command window dimension or use readline values. */ - sprintf (cmd, "set width %d", - tui_active ? TUI_CMD_WIN->generic.width : tui_term_width()); - execute_command (cmd, 0); - sprintf (cmd, "set height %d", - tui_active ? TUI_CMD_WIN->generic.height : tui_term_height()); - execute_command (cmd, 0); + int width, height; + + if (tui_active) + { + width = TUI_CMD_WIN->generic.width; + height = TUI_CMD_WIN->generic.height; + } + else + { + width = tui_term_width (); + height = tui_term_height (); + } + + set_screen_width_and_height (width, height); } -/* Set the logical focus to win_info. */ +/* Set the logical focus to win_info. */ void -tui_set_win_focus_to (struct tui_win_info * win_info) +tui_set_win_focus_to (struct tui_win_info *win_info) { if (win_info != NULL) { - struct tui_win_info * win_with_focus = tui_win_with_focus (); + struct tui_win_info *win_with_focus = tui_win_with_focus (); if (win_with_focus != NULL && win_with_focus->generic.type != CMD_WIN) @@ -480,7 +581,8 @@ tui_set_win_focus_to (struct tui_win_info * win_info) void -tui_scroll_forward (struct tui_win_info * win_to_scroll, int num_to_scroll) +tui_scroll_forward (struct tui_win_info *win_to_scroll, + int num_to_scroll) { if (win_to_scroll != TUI_CMD_WIN) { @@ -488,12 +590,12 @@ tui_scroll_forward (struct tui_win_info * win_to_scroll, int num_to_scroll) if (num_to_scroll == 0) _num_to_scroll = win_to_scroll->generic.height - 3; - /* - ** If we are scrolling the source or disassembly window, do a - ** "psuedo" scroll since not all of the source is in memory, - ** only what is in the viewport. If win_to_scroll is the - ** command window do nothing since the term should handle it. - */ + + /* If we are scrolling the source or disassembly window, do a + "psuedo" scroll since not all of the source is in memory, + only what is in the viewport. If win_to_scroll is the + command window do nothing since the term should handle + it. */ if (win_to_scroll == TUI_SRC_WIN) tui_vertical_source_scroll (FORWARD_SCROLL, _num_to_scroll); else if (win_to_scroll == TUI_DISASM_WIN) @@ -504,7 +606,8 @@ tui_scroll_forward (struct tui_win_info * win_to_scroll, int num_to_scroll) } void -tui_scroll_backward (struct tui_win_info * win_to_scroll, int num_to_scroll) +tui_scroll_backward (struct tui_win_info *win_to_scroll, + int num_to_scroll) { if (win_to_scroll != TUI_CMD_WIN) { @@ -512,12 +615,12 @@ tui_scroll_backward (struct tui_win_info * win_to_scroll, int num_to_scroll) if (num_to_scroll == 0) _num_to_scroll = win_to_scroll->generic.height - 3; - /* - ** If we are scrolling the source or disassembly window, do a - ** "psuedo" scroll since not all of the source is in memory, - ** only what is in the viewport. If win_to_scroll is the - ** command window do nothing since the term should handle it. - */ + + /* If we are scrolling the source or disassembly window, do a + "psuedo" scroll since not all of the source is in memory, + only what is in the viewport. If win_to_scroll is the + command window do nothing since the term should handle + it. */ if (win_to_scroll == TUI_SRC_WIN) tui_vertical_source_scroll (BACKWARD_SCROLL, _num_to_scroll); else if (win_to_scroll == TUI_DISASM_WIN) @@ -529,7 +632,8 @@ tui_scroll_backward (struct tui_win_info * win_to_scroll, int num_to_scroll) void -tui_scroll_left (struct tui_win_info * win_to_scroll, int num_to_scroll) +tui_scroll_left (struct tui_win_info *win_to_scroll, + int num_to_scroll) { if (win_to_scroll != TUI_CMD_WIN) { @@ -537,20 +641,22 @@ tui_scroll_left (struct tui_win_info * win_to_scroll, int num_to_scroll) if (_num_to_scroll == 0) _num_to_scroll = 1; - /* - ** If we are scrolling the source or disassembly window, do a - ** "psuedo" scroll since not all of the source is in memory, - ** only what is in the viewport. If win_to_scroll is the - ** command window do nothing since the term should handle it. - */ - if (win_to_scroll == TUI_SRC_WIN || win_to_scroll == TUI_DISASM_WIN) - tui_horizontal_source_scroll (win_to_scroll, LEFT_SCROLL, _num_to_scroll); + + /* If we are scrolling the source or disassembly window, do a + "psuedo" scroll since not all of the source is in memory, + only what is in the viewport. If win_to_scroll is the command + window do nothing since the term should handle it. */ + if (win_to_scroll == TUI_SRC_WIN + || win_to_scroll == TUI_DISASM_WIN) + tui_horizontal_source_scroll (win_to_scroll, LEFT_SCROLL, + _num_to_scroll); } } void -tui_scroll_right (struct tui_win_info * win_to_scroll, int num_to_scroll) +tui_scroll_right (struct tui_win_info *win_to_scroll, + int num_to_scroll) { if (win_to_scroll != TUI_CMD_WIN) { @@ -558,22 +664,23 @@ tui_scroll_right (struct tui_win_info * win_to_scroll, int num_to_scroll) if (_num_to_scroll == 0) _num_to_scroll = 1; - /* - ** If we are scrolling the source or disassembly window, do a - ** "psuedo" scroll since not all of the source is in memory, - ** only what is in the viewport. If win_to_scroll is the - ** command window do nothing since the term should handle it. - */ - if (win_to_scroll == TUI_SRC_WIN || win_to_scroll == TUI_DISASM_WIN) - tui_horizontal_source_scroll (win_to_scroll, RIGHT_SCROLL, _num_to_scroll); + + /* If we are scrolling the source or disassembly window, do a + "psuedo" scroll since not all of the source is in memory, + only what is in the viewport. If win_to_scroll is the command + window do nothing since the term should handle it. */ + if (win_to_scroll == TUI_SRC_WIN + || win_to_scroll == TUI_DISASM_WIN) + tui_horizontal_source_scroll (win_to_scroll, RIGHT_SCROLL, + _num_to_scroll); } } -/* Scroll a window. Arguments are passed through a va_list. */ +/* Scroll a window. Arguments are passed through a va_list. */ void tui_scroll (enum tui_scroll_direction direction, - struct tui_win_info * win_to_scroll, + struct tui_win_info *win_to_scroll, int num_to_scroll) { switch (direction) @@ -599,13 +706,14 @@ tui_scroll (enum tui_scroll_direction direction, void tui_refresh_all_win (void) { - enum tui_win_type type; + int type; clearok (curscr, TRUE); tui_refresh_all (tui_win_list); for (type = SRC_WIN; type < MAX_MAJOR_WINDOWS; type++) { - if (tui_win_list[type] && tui_win_list[type]->generic.is_visible) + if (tui_win_list[type] + && tui_win_list[type]->generic.is_visible) { switch (type) { @@ -627,9 +735,17 @@ tui_refresh_all_win (void) tui_show_locator_content (); } +void +tui_rehighlight_all (void) +{ + int type; -/* Resize all the windows based on the the terminal size. This - function gets called from within the readline sinwinch handler. */ + for (type = SRC_WIN; type < MAX_MAJOR_WINDOWS; type++) + tui_check_and_display_highlight_if_needed (tui_win_list[type]); +} + +/* Resize all the windows based on the terminal size. This function + gets called from within the readline sinwinch handler. */ void tui_resize_all (void) { @@ -642,24 +758,25 @@ tui_resize_all (void) if (height_diff || width_diff) { enum tui_layout_type cur_layout = tui_current_layout (); - struct tui_win_info * win_with_focus = tui_win_with_focus (); + struct tui_win_info *win_with_focus = tui_win_with_focus (); struct tui_win_info *first_win; struct tui_win_info *second_win; - struct tui_gen_win_info * locator = tui_locator_win_info_ptr (); - enum tui_win_type win_type; + struct tui_gen_win_info *locator = tui_locator_win_info_ptr (); + int win_type; int new_height, split_diff, cmd_split_diff, num_wins_displayed = 2; #ifdef HAVE_RESIZE_TERM resize_term (screenheight, screenwidth); #endif - /* turn keypad off while we resize */ + /* Turn keypad off while we resize. */ if (win_with_focus != TUI_CMD_WIN) keypad (TUI_CMD_WIN->generic.handle, FALSE); tui_update_gdb_sizes (); tui_set_term_height_to (screenheight); tui_set_term_width_to (screenwidth); - if (cur_layout == SRC_DISASSEM_COMMAND || - cur_layout == SRC_DATA_COMMAND || cur_layout == DISASSEM_DATA_COMMAND) + if (cur_layout == SRC_DISASSEM_COMMAND + || cur_layout == SRC_DATA_COMMAND + || cur_layout == DISASSEM_DATA_COMMAND) num_wins_displayed++; split_diff = height_diff / num_wins_displayed; cmd_split_diff = split_diff; @@ -668,19 +785,22 @@ tui_resize_all (void) if (height_diff < 0) cmd_split_diff--; else - cmd_split_diff++; - } - /* now adjust each window */ - clear (); + cmd_split_diff++; + } + /* Now adjust each window. */ + /* erase + clearok are used instead of a straightforward clear as + AIX 5.3 does not define clear. */ + erase (); + clearok (curscr, TRUE); refresh (); switch (cur_layout) - { + { case SRC_COMMAND: case DISASSEM_COMMAND: first_win = (struct tui_win_info *) (tui_source_windows ())->list[0]; first_win->generic.width += width_diff; locator->width += width_diff; - /* check for invalid heights */ + /* Check for invalid heights. */ if (height_diff == 0) new_height = first_win->generic.height; else if ((first_win->generic.height + split_diff) >= @@ -691,6 +811,7 @@ tui_resize_all (void) else new_height = first_win->generic.height + split_diff; + locator->origin.y = new_height + 1; make_invisible_and_set_new_height (first_win, new_height); TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1; TUI_CMD_WIN->generic.width += width_diff; @@ -713,11 +834,12 @@ tui_resize_all (void) { first_win = TUI_DATA_WIN; first_win->generic.width += width_diff; - second_win = (struct tui_win_info *) (tui_source_windows ())->list[0]; + second_win = (struct tui_win_info *) + (tui_source_windows ())->list[0]; second_win->generic.width += width_diff; } - /* Change the first window's height/width */ - /* check for invalid heights */ + /* Change the first window's height/width. */ + /* Check for invalid heights. */ if (height_diff == 0) new_height = first_win->generic.height; else if ((first_win->generic.height + @@ -732,8 +854,8 @@ tui_resize_all (void) locator->width += width_diff; - /* Change the second window's height/width */ - /* check for invalid heights */ + /* Change the second window's height/width. */ + /* Check for invalid heights. */ if (height_diff == 0) new_height = second_win->generic.height; else if ((first_win->generic.height + @@ -753,10 +875,11 @@ tui_resize_all (void) second_win->generic.origin.y = first_win->generic.height - 1; make_invisible_and_set_new_height (second_win, new_height); - /* Change the command window's height/width */ + /* Change the command window's height/width. */ TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1; - make_invisible_and_set_new_height ( - TUI_CMD_WIN, TUI_CMD_WIN->generic.height + cmd_split_diff); + make_invisible_and_set_new_height (TUI_CMD_WIN, + TUI_CMD_WIN->generic.height + + cmd_split_diff); make_visible_with_new_height (first_win); make_visible_with_new_height (second_win); make_visible_with_new_height (TUI_CMD_WIN); @@ -766,40 +889,90 @@ tui_resize_all (void) tui_erase_source_content (second_win, EMPTY_SOURCE_PROMPT); break; } - /* - ** Now remove all invisible windows, and their content so that they get - ** created again when called for with the new size - */ + /* Now remove all invisible windows, and their content so that + they get created again when called for with the new size. */ for (win_type = SRC_WIN; (win_type < MAX_MAJOR_WINDOWS); win_type++) { - if (win_type != CMD_WIN && (tui_win_list[win_type] != NULL) + if (win_type != CMD_WIN + && (tui_win_list[win_type] != NULL) && !tui_win_list[win_type]->generic.is_visible) { tui_free_window (tui_win_list[win_type]); - tui_win_list[win_type] = (struct tui_win_info *) NULL; + tui_win_list[win_type] = NULL; } } - tui_set_win_resized_to (TRUE); - /* turn keypad back on, unless focus is in the command window */ + /* Turn keypad back on, unless focus is in the command + window. */ if (win_with_focus != TUI_CMD_WIN) keypad (TUI_CMD_WIN->generic.handle, TRUE); } } +#ifdef SIGWINCH +/* Token for use by TUI's asynchronous SIGWINCH handler. */ +static struct async_signal_handler *tui_sigwinch_token; -/* SIGWINCH signal handler for the tui. This signal handler is always - called, even when the readline package clears signals because it is - set as the old_sigwinch() (TUI only). */ -void +/* TUI's SIGWINCH signal handler. */ +static void tui_sigwinch_handler (int signal) { - /* - ** Say that a resize was done so that the readline can do it - ** later when appropriate. - */ + mark_async_signal_handler (tui_sigwinch_token); tui_set_win_resized_to (TRUE); } +/* Callback for asynchronously resizing TUI following a SIGWINCH signal. */ +static void +tui_async_resize_screen (gdb_client_data arg) +{ + rl_resize_terminal (); + + if (!tui_active) + { + int screen_height, screen_width; + + rl_get_screen_size (&screen_height, &screen_width); + set_screen_width_and_height (screen_width, screen_height); + + /* win_resized is left set so that the next call to tui_enable() + resizes the TUI windows. */ + } + else + { + tui_set_win_resized_to (FALSE); + tui_resize_all (); + tui_refresh_all_win (); + tui_update_gdb_sizes (); + tui_redisplay_readline (); + } +} +#endif + +/* Initialize TUI's SIGWINCH signal handler. Note that the handler is not + uninstalled when we exit TUI, so the handler should not assume that TUI is + always active. */ +void +tui_initialize_win (void) +{ +#ifdef SIGWINCH + tui_sigwinch_token + = create_async_signal_handler (tui_async_resize_screen, NULL); + + { +#ifdef HAVE_SIGACTION + struct sigaction old_winch; + + memset (&old_winch, 0, sizeof (old_winch)); + old_winch.sa_handler = &tui_sigwinch_handler; +#ifdef SA_RESTART + old_winch.sa_flags = SA_RESTART; +#endif + sigaction (SIGWINCH, &old_winch, NULL); +#else + signal (SIGWINCH, &tui_sigwinch_handler); +#endif + } +#endif +} /************************* @@ -808,10 +981,10 @@ tui_sigwinch_handler (int signal) static void -tui_scroll_forward_command (char *arg, int from_tty) +tui_scroll_forward_command (const char *arg, int from_tty) { int num_to_scroll = 1; - struct tui_win_info * win_to_scroll; + struct tui_win_info *win_to_scroll; /* Make sure the curses mode is enabled. */ tui_enable (); @@ -824,10 +997,10 @@ tui_scroll_forward_command (char *arg, int from_tty) static void -tui_scroll_backward_command (char *arg, int from_tty) +tui_scroll_backward_command (const char *arg, int from_tty) { int num_to_scroll = 1; - struct tui_win_info * win_to_scroll; + struct tui_win_info *win_to_scroll; /* Make sure the curses mode is enabled. */ tui_enable (); @@ -840,10 +1013,10 @@ tui_scroll_backward_command (char *arg, int from_tty) static void -tui_scroll_left_command (char *arg, int from_tty) +tui_scroll_left_command (const char *arg, int from_tty) { int num_to_scroll; - struct tui_win_info * win_to_scroll; + struct tui_win_info *win_to_scroll; /* Make sure the curses mode is enabled. */ tui_enable (); @@ -853,10 +1026,10 @@ tui_scroll_left_command (char *arg, int from_tty) static void -tui_scroll_right_command (char *arg, int from_tty) +tui_scroll_right_command (const char *arg, int from_tty) { int num_to_scroll; - struct tui_win_info * win_to_scroll; + struct tui_win_info *win_to_scroll; /* Make sure the curses mode is enabled. */ tui_enable (); @@ -867,25 +1040,26 @@ tui_scroll_right_command (char *arg, int from_tty) /* Set focus to the window named by 'arg'. */ static void -tui_set_focus (char *arg, int from_tty) +tui_set_focus (const char *arg, int from_tty) { if (arg != (char *) NULL) { char *buf_ptr = (char *) xstrdup (arg); int i; - struct tui_win_info * win_info = (struct tui_win_info *) NULL; + struct tui_win_info *win_info = NULL; for (i = 0; (i < strlen (buf_ptr)); i++) - buf_ptr[i] = toupper (arg[i]); + buf_ptr[i] = tolower (arg[i]); - if (subset_compare (buf_ptr, "NEXT")) + if (subset_compare (buf_ptr, "next")) win_info = tui_next_win (tui_win_with_focus ()); - else if (subset_compare (buf_ptr, "PREV")) + else if (subset_compare (buf_ptr, "prev")) win_info = tui_prev_win (tui_win_with_focus ()); else win_info = tui_partial_win_by_name (buf_ptr); - if (win_info == (struct tui_win_info *) NULL || !win_info->generic.is_visible) + if (win_info == (struct tui_win_info *) NULL + || !win_info->generic.is_visible) warning (_("Invalid window specified. \n\ The window name specified must be valid and visible.\n")); else @@ -898,14 +1072,14 @@ The window name specified must be valid and visible.\n")); tui_refresh_data_win (); xfree (buf_ptr); printf_filtered (_("Focus set to %s window.\n"), - tui_win_name ((struct tui_gen_win_info *) tui_win_with_focus ())); + tui_win_name (&tui_win_with_focus ()->generic)); } else warning (_("Incorrect Number of Arguments.\n%s"), FOCUS_USAGE); } static void -tui_set_focus_command (char *arg, int from_tty) +tui_set_focus_command (const char *arg, int from_tty) { /* Make sure the curses mode is enabled. */ tui_enable (); @@ -914,13 +1088,14 @@ tui_set_focus_command (char *arg, int from_tty) static void -tui_all_windows_info (char *arg, int from_tty) +tui_all_windows_info (const char *arg, int from_tty) { - enum tui_win_type type; - struct tui_win_info * win_with_focus = tui_win_with_focus (); + int type; + struct tui_win_info *win_with_focus = tui_win_with_focus (); for (type = SRC_WIN; (type < MAX_MAJOR_WINDOWS); type++) - if (tui_win_list[type] && tui_win_list[type]->generic.is_visible) + if (tui_win_list[type] + && tui_win_list[type]->generic.is_visible) { if (win_with_focus == tui_win_list[type]) printf_filtered (" %s\t(%d lines) \n", @@ -935,7 +1110,7 @@ tui_all_windows_info (char *arg, int from_tty) static void -tui_refresh_all_command (char *arg, int from_tty) +tui_refresh_all_command (const char *arg, int from_tty) { /* Make sure the curses mode is enabled. */ tui_enable (); @@ -944,9 +1119,9 @@ tui_refresh_all_command (char *arg, int from_tty) } -/* Set the height of the specified window. */ +/* Set the tab width of the specified window. */ static void -tui_set_tab_width_command (char *arg, int from_tty) +tui_set_tab_width_command (const char *arg, int from_tty) { /* Make sure the curses mode is enabled. */ tui_enable (); @@ -956,26 +1131,47 @@ tui_set_tab_width_command (char *arg, int from_tty) ts = atoi (arg); if (ts > 0) - tui_set_default_tab_len (ts); + { + tui_set_default_tab_len (ts); + /* We don't really change the height of any windows, but + calling these 2 functions causes a complete regeneration + and redisplay of the window's contents, which will take + the new tab width into account. */ + if (tui_win_list[SRC_WIN] + && tui_win_list[SRC_WIN]->generic.is_visible) + { + make_invisible_and_set_new_height (TUI_SRC_WIN, + TUI_SRC_WIN->generic.height); + make_visible_with_new_height (TUI_SRC_WIN); + } + if (tui_win_list[DISASSEM_WIN] + && tui_win_list[DISASSEM_WIN]->generic.is_visible) + { + make_invisible_and_set_new_height (TUI_DISASM_WIN, + TUI_DISASM_WIN->generic.height); + make_visible_with_new_height (TUI_DISASM_WIN); + } + } else warning (_("Tab widths greater than 0 must be specified.")); } } -/* Set the height of the specified window. */ +/* Set the height of the specified window. */ static void -tui_set_win_height (char *arg, int from_tty) +tui_set_win_height (const char *arg, int from_tty) { /* Make sure the curses mode is enabled. */ tui_enable (); if (arg != (char *) NULL) { - char *buf = xstrdup (arg); + std::string copy = arg; + char *buf = ©[0]; char *buf_ptr = buf; - char *wname = (char *) NULL; + char *wname = NULL; int new_height, i; - struct tui_win_info * win_info; + struct tui_win_info *win_info; wname = buf_ptr; buf_ptr = strchr (buf_ptr, ' '); @@ -983,19 +1179,18 @@ tui_set_win_height (char *arg, int from_tty) { *buf_ptr = (char) 0; - /* - ** Validate the window name - */ + /* Validate the window name. */ for (i = 0; i < strlen (wname); i++) - wname[i] = toupper (wname[i]); + wname[i] = tolower (wname[i]); win_info = tui_partial_win_by_name (wname); - if (win_info == (struct tui_win_info *) NULL || !win_info->generic.is_visible) + if (win_info == (struct tui_win_info *) NULL + || !win_info->generic.is_visible) warning (_("Invalid window specified. \n\ The window name specified must be valid and visible.\n")); else { - /* Process the size */ + /* Process the size. */ while (*(++buf_ptr) == ' ') ; @@ -1021,10 +1216,9 @@ The window name specified must be valid and visible.\n")); new_height = input_no; else new_height = win_info->generic.height + input_no; - /* - ** Now change the window's height, and adjust all - ** other windows around it - */ + + /* Now change the window's height, and adjust + all other windows around it. */ if (tui_adjust_win_heights (win_info, new_height) == TUI_FAILURE) warning (_("Invalid window height specified.\n%s"), @@ -1040,64 +1234,24 @@ The window name specified must be valid and visible.\n")); } else printf_filtered (WIN_HEIGHT_USAGE); - - if (buf != (char *) NULL) - xfree (buf); } else printf_filtered (WIN_HEIGHT_USAGE); } -/* Set the height of the specified window, with va_list. */ +/* Set the height of the specified window, with va_list. */ static void -tui_set_win_height_command (char *arg, int from_tty) +tui_set_win_height_command (const char *arg, int from_tty) { /* Make sure the curses mode is enabled. */ tui_enable (); tui_set_win_height (arg, from_tty); } - -/* XDB Compatibility command for setting the window height. This will - increase or decrease the command window by the specified amount. */ -static void -tui_xdb_set_win_height (char *arg, int from_tty) -{ - /* Make sure the curses mode is enabled. */ - tui_enable (); - if (arg != (char *) NULL) - { - int input_no = atoi (arg); - - if (input_no > 0) - { /* Add 1 for the locator */ - int new_height = tui_term_height () - (input_no + 1); - - if (!new_height_ok (tui_win_list[CMD_WIN], new_height) || - tui_adjust_win_heights (tui_win_list[CMD_WIN], - new_height) == TUI_FAILURE) - warning (_("Invalid window height specified.\n%s"), - XDBWIN_HEIGHT_USAGE); - } - else - warning (_("Invalid window height specified.\n%s"), - XDBWIN_HEIGHT_USAGE); - } - else - warning (_("Invalid window height specified.\n%s"), XDBWIN_HEIGHT_USAGE); -} - -/* Set the height of the specified window, with va_list. */ -static void -tui_xdb_set_win_height_command (char *arg, int from_tty) -{ - tui_xdb_set_win_height (arg, from_tty); -} - - /* Function to adjust all window heights around the primary. */ static enum tui_status -tui_adjust_win_heights (struct tui_win_info * primary_win_info, int new_height) +tui_adjust_win_heights (struct tui_win_info *primary_win_info, + int new_height) { enum tui_status status = TUI_FAILURE; @@ -1107,14 +1261,15 @@ tui_adjust_win_heights (struct tui_win_info * primary_win_info, int new_height) if (new_height != primary_win_info->generic.height) { int diff; - struct tui_win_info * win_info; - struct tui_gen_win_info * locator = tui_locator_win_info_ptr (); + struct tui_win_info *win_info; + struct tui_gen_win_info *locator = tui_locator_win_info_ptr (); enum tui_layout_type cur_layout = tui_current_layout (); diff = (new_height - primary_win_info->generic.height) * (-1); - if (cur_layout == SRC_COMMAND || cur_layout == DISASSEM_COMMAND) + if (cur_layout == SRC_COMMAND + || cur_layout == DISASSEM_COMMAND) { - struct tui_win_info * src_win_info; + struct tui_win_info *src_win_info; make_invisible_and_set_new_height (primary_win_info, new_height); if (primary_win_info->generic.type == CMD_WIN) @@ -1151,11 +1306,10 @@ tui_adjust_win_heights (struct tui_win_info * primary_win_info, int new_height) second_win = (tui_source_windows ())->list[0]; } if (primary_win_info == TUI_CMD_WIN) - { /* - ** Split the change in height accross the 1st & 2nd windows - ** adjusting them as well. - */ - int first_split_diff = diff / 2; /* subtract the locator */ + { /* Split the change in height accross the 1st & 2nd + windows, adjusting them as well. */ + /* Subtract the locator. */ + int first_split_diff = diff / 2; int second_split_diff = first_split_diff; if (diff % 2) @@ -1174,7 +1328,8 @@ tui_adjust_win_heights (struct tui_win_info * primary_win_info, int new_height) second_split_diff++; } } - /* make sure that the minimum hieghts are honored */ + /* Make sure that the minimum hieghts are + honored. */ while ((first_win->generic.height + first_split_diff) < 3) { first_split_diff++; @@ -1189,21 +1344,22 @@ tui_adjust_win_heights (struct tui_win_info * primary_win_info, int new_height) first_win, first_win->generic.height + first_split_diff); second_win->generic.origin.y = first_win->generic.height - 1; - make_invisible_and_set_new_height ( - second_win, second_win->generic.height + second_split_diff); + make_invisible_and_set_new_height (second_win, + second_win->generic.height + + second_split_diff); TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1; make_invisible_and_set_new_height (TUI_CMD_WIN, new_height); } else { if ((TUI_CMD_WIN->generic.height + diff) < 1) - { /* - ** If there is no way to increase the command window - ** take real estate from the 1st or 2nd window. - */ + { /* If there is no way to increase the command + window take real estate from the 1st or 2nd + window. */ if ((TUI_CMD_WIN->generic.height + diff) < 1) { int i; + for (i = TUI_CMD_WIN->generic.height + diff; (i < 1); i++) if (primary_win_info == first_win) @@ -1228,8 +1384,8 @@ tui_adjust_win_heights (struct tui_win_info * primary_win_info, int new_height) if ((TUI_CMD_WIN->generic.height + diff) < 1) make_invisible_and_set_new_height (TUI_CMD_WIN, 1); else - make_invisible_and_set_new_height ( - TUI_CMD_WIN, TUI_CMD_WIN->generic.height + diff); + make_invisible_and_set_new_height (TUI_CMD_WIN, + TUI_CMD_WIN->generic.height + diff); } make_visible_with_new_height (TUI_CMD_WIN); make_visible_with_new_height (second_win); @@ -1247,12 +1403,14 @@ tui_adjust_win_heights (struct tui_win_info * primary_win_info, int new_height) /* Function make the target window (and auxillary windows associated - with the targer) invisible, and set the new height and location. */ + with the targer) invisible, and set the new height and + location. */ static void -make_invisible_and_set_new_height (struct tui_win_info * win_info, int height) +make_invisible_and_set_new_height (struct tui_win_info *win_info, + int height) { int i; - struct tui_gen_win_info * gen_win_info; + struct tui_gen_win_info *gen_win_info; tui_make_invisible (&win_info->generic); win_info->generic.height = height; @@ -1263,7 +1421,7 @@ make_invisible_and_set_new_height (struct tui_win_info * win_info, int height) if (win_info != TUI_CMD_WIN) win_info->generic.viewport_height--; - /* Now deal with the auxillary windows associated with win_info */ + /* Now deal with the auxillary windows associated with win_info. */ switch (win_info->generic.type) { case SRC_WIN: @@ -1287,13 +1445,14 @@ make_invisible_and_set_new_height (struct tui_win_info * win_info, int height) } break; case DATA_WIN: - /* delete all data item windows */ + /* Delete all data item windows. */ for (i = 0; i < win_info->generic.content_size; i++) { - gen_win_info = (struct tui_gen_win_info *) & ((struct tui_win_element *) - win_info->generic.content[i])->which_element.data_window; + gen_win_info = (struct tui_gen_win_info *) + &((struct tui_win_element *) + win_info->generic.content[i])->which_element.data_window; tui_delete_win (gen_win_info->handle); - gen_win_info->handle = (WINDOW *) NULL; + gen_win_info->handle = NULL; } break; default: @@ -1306,7 +1465,7 @@ make_invisible_and_set_new_height (struct tui_win_info * win_info, int height) re-creating the windows' content since the window had to be destroyed to be made invisible. */ static void -make_visible_with_new_height (struct tui_win_info * win_info) +make_visible_with_new_height (struct tui_win_info *win_info) { struct symtab *s; @@ -1320,21 +1479,25 @@ make_visible_with_new_height (struct tui_win_info * win_info) tui_make_visible (win_info->detail.source_info.execution_info); if (win_info->generic.content != NULL) { + struct gdbarch *gdbarch = win_info->detail.source_info.gdbarch; struct tui_line_or_address line_or_addr; struct symtab_and_line cursal = get_current_source_symtab_and_line (); line_or_addr = win_info->detail.source_info.start_line_or_addr; tui_free_win_content (&win_info->generic); - tui_update_source_window (win_info, cursal.symtab, line_or_addr, TRUE); + tui_update_source_window (win_info, gdbarch, + cursal.symtab, line_or_addr, TRUE); } else if (deprecated_safe_get_selected_frame () != NULL) { struct tui_line_or_address line; - struct symtab_and_line cursal = get_current_source_symtab_and_line (); + struct symtab_and_line cursal + = get_current_source_symtab_and_line (); struct frame_info *frame = deprecated_safe_get_selected_frame (); + struct gdbarch *gdbarch = get_frame_arch (frame); - s = find_pc_symtab (get_frame_pc (frame)); + s = find_pc_line_symtab (get_frame_pc (frame)); if (win_info->generic.type == SRC_WIN) { line.loa = LOA_LINE; @@ -1345,7 +1508,7 @@ make_visible_with_new_height (struct tui_win_info * win_info) line.loa = LOA_ADDRESS; find_line_pc (s, cursal.line, &line.u.addr); } - tui_update_source_window (win_info, s, line, TRUE); + tui_update_source_window (win_info, gdbarch, s, line, TRUE); } if (tui_win_has_locator (win_info)) { @@ -1357,11 +1520,15 @@ make_visible_with_new_height (struct tui_win_info * win_info) tui_display_all_data (); break; case CMD_WIN: - win_info->detail.command_info.cur_line = 0; - win_info->detail.command_info.curch = 0; - wmove (win_info->generic.handle, - win_info->detail.command_info.cur_line, - win_info->detail.command_info.curch); +#ifdef HAVE_WRESIZE + wresize (TUI_CMD_WIN->generic.handle, + TUI_CMD_WIN->generic.height, + TUI_CMD_WIN->generic.width); +#endif + mvwin (TUI_CMD_WIN->generic.handle, + TUI_CMD_WIN->generic.origin.y, + TUI_CMD_WIN->generic.origin.x); + wmove (win_info->generic.handle, 0, 0); break; default: break; @@ -1370,7 +1537,8 @@ make_visible_with_new_height (struct tui_win_info * win_info) static int -new_height_ok (struct tui_win_info * primary_win_info, int new_height) +new_height_ok (struct tui_win_info *primary_win_info, + int new_height) { int ok = (new_height < tui_term_height ()); @@ -1382,15 +1550,15 @@ new_height_ok (struct tui_win_info * primary_win_info, int new_height) diff = (new_height - primary_win_info->generic.height) * (-1); if (cur_layout == SRC_COMMAND || cur_layout == DISASSEM_COMMAND) { - ok = ((primary_win_info->generic.type == CMD_WIN && - new_height <= (tui_term_height () - 4) && - new_height >= MIN_CMD_WIN_HEIGHT) || - (primary_win_info->generic.type != CMD_WIN && - new_height <= (tui_term_height () - 2) && - new_height >= MIN_WIN_HEIGHT)); + ok = ((primary_win_info->generic.type == CMD_WIN + && new_height <= (tui_term_height () - 4) + && new_height >= MIN_CMD_WIN_HEIGHT) + || (primary_win_info->generic.type != CMD_WIN + && new_height <= (tui_term_height () - 2) + && new_height >= MIN_WIN_HEIGHT)); if (ok) - { /* check the total height */ - struct tui_win_info * win_info; + { /* Check the total height. */ + struct tui_win_info *win_info; if (primary_win_info == TUI_CMD_WIN) win_info = (tui_source_windows ())->list[0]; @@ -1416,43 +1584,39 @@ new_height_ok (struct tui_win_info * primary_win_info, int new_height) first_win = TUI_DATA_WIN; second_win = (tui_source_windows ())->list[0]; } - /* - ** We could simply add all the heights to obtain the same result - ** but below is more explicit since we subtract 1 for the - ** line that the first and second windows share, and add one - ** for the locator. - */ + /* We could simply add all the heights to obtain the same + result but below is more explicit since we subtract 1 for + the line that the first and second windows share, and add + one for the locator. */ total_height = cur_total_height = (first_win->generic.height + second_win->generic.height - 1) - + TUI_CMD_WIN->generic.height + 1 /*locator */ ; + + TUI_CMD_WIN->generic.height + 1; /* Locator. */ if (primary_win_info == TUI_CMD_WIN) { - /* locator included since first & second win share a line */ + /* Locator included since first & second win share a line. */ ok = ((first_win->generic.height + second_win->generic.height + diff) >= - (MIN_WIN_HEIGHT * 2) && - new_height >= MIN_CMD_WIN_HEIGHT); + (MIN_WIN_HEIGHT * 2) + && new_height >= MIN_CMD_WIN_HEIGHT); if (ok) { - total_height = new_height + (first_win->generic.height + - second_win->generic.height + diff); + total_height = new_height + + (first_win->generic.height + + second_win->generic.height + diff); min_height = MIN_CMD_WIN_HEIGHT; } } else { min_height = MIN_WIN_HEIGHT; - /* - ** First see if we can increase/decrease the command - ** window. And make sure that the command window is - ** at least 1 line - */ + + /* First see if we can increase/decrease the command + window. And make sure that the command window is at + least 1 line. */ ok = ((TUI_CMD_WIN->generic.height + diff) > 0); if (!ok) - { /* - ** Looks like we have to increase/decrease one of - ** the other windows - */ + { /* Looks like we have to increase/decrease one of + the other windows. */ if (primary_win_info == first_win) ok = (second_win->generic.height + diff) >= min_height; else @@ -1470,12 +1634,11 @@ new_height_ok (struct tui_win_info * primary_win_info, int new_height) TUI_CMD_WIN->generic.height + diff; } } - /* - ** Now make sure that the proposed total height doesn't exceed - ** the old total height. - */ + /* Now make sure that the proposed total height doesn't + exceed the old total height. */ if (ok) - ok = (new_height >= min_height && total_height <= cur_total_height); + ok = (new_height >= min_height + && total_height <= cur_total_height); } } @@ -1484,23 +1647,23 @@ new_height_ok (struct tui_win_info * primary_win_info, int new_height) static void -parse_scrolling_args (char *arg, struct tui_win_info * * win_to_scroll, +parse_scrolling_args (const char *arg, + struct tui_win_info **win_to_scroll, int *num_to_scroll) { if (num_to_scroll) *num_to_scroll = 0; *win_to_scroll = tui_win_with_focus (); - /* - ** First set up the default window to scroll, in case there is no - ** window name arg - */ + /* First set up the default window to scroll, in case there is no + window name arg. */ if (arg != (char *) NULL) { - char *buf, *buf_ptr; + char *buf_ptr; - /* process the number of lines to scroll */ - buf = buf_ptr = xstrdup (arg); + /* Process the number of lines to scroll. */ + std::string copy = arg; + buf_ptr = ©[0]; if (isdigit (*buf_ptr)) { char *num_str; @@ -1518,33 +1681,34 @@ parse_scrolling_args (char *arg, struct tui_win_info * * win_to_scroll, *num_to_scroll = atoi (num_str); } - /* process the window name if one is specified */ + /* Process the window name if one is specified. */ if (buf_ptr != (char *) NULL) { - char *wname; - int i; + const char *wname; if (*buf_ptr == ' ') while (*(++buf_ptr) == ' ') ; if (*buf_ptr != (char) 0) - wname = buf_ptr; + { + /* Validate the window name. */ + for (char *p = buf_ptr; *p != '\0'; p++) + *p = tolower (*p); + + wname = buf_ptr; + } else wname = "?"; - /* Validate the window name */ - for (i = 0; i < strlen (wname); i++) - wname[i] = toupper (wname[i]); *win_to_scroll = tui_partial_win_by_name (wname); - if (*win_to_scroll == (struct tui_win_info *) NULL || - !(*win_to_scroll)->generic.is_visible) + if (*win_to_scroll == (struct tui_win_info *) NULL + || !(*win_to_scroll)->generic.is_visible) error (_("Invalid window specified. \n\ The window name specified must be valid and visible.\n")); else if (*win_to_scroll == TUI_CMD_WIN) *win_to_scroll = (tui_source_windows ())->list[0]; } - xfree (buf); } }