/* TUI layout window management. Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. Contributed by Hewlett-Packard Company. This file is part of GDB. 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 (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "defs.h" #include "command.h" #include "symtab.h" #include "frame.h" #include "source.h" #include #include "tui/tui.h" #include "tui/tui-data.h" #include "tui/tui-windata.h" #include "tui/tui-wingeneral.h" #include "tui/tui-stack.h" #include "tui/tui-regs.h" #include "tui/tui-win.h" #include "tui/tui-winsource.h" #include "tui/tui-disasm.h" #include "gdb_string.h" #include "gdb_curses.h" /******************************* ** Static Local Decls ********************************/ static void show_layout (enum tui_layout_type); static void init_gen_win_info (struct tui_gen_win_info *, enum tui_win_type, int, int, int, int); static void init_and_make_win (void **, enum tui_win_type, int, int, int, int, int); static void show_source_or_disasm_and_command (enum tui_layout_type); static void make_source_or_disasm_window (struct tui_win_info * *, enum tui_win_type, int, int); static void make_command_window (struct tui_win_info * *, int, int); static void make_source_window (struct tui_win_info * *, int, int); static void make_disasm_window (struct tui_win_info * *, int, int); static void make_data_window (struct tui_win_info * *, int, int); static void show_source_command (void); static void show_disasm_command (void); static void show_source_disasm_command (void); static void show_data (enum tui_layout_type); static enum tui_layout_type next_layout (void); static enum tui_layout_type prev_layout (void); static void tui_layout_command (char *, int); static void tui_toggle_layout_command (char *, int); static void tui_toggle_split_layout_command (char *, int); static CORE_ADDR extract_display_start_addr (void); static void tui_handle_xdb_layout (struct tui_layout_def *); /*************************************** ** DEFINITIONS ***************************************/ #define LAYOUT_USAGE "Usage: layout prev | next | \n" /* Show the screen layout defined. */ static void show_layout (enum tui_layout_type layout) { enum tui_layout_type cur_layout = tui_current_layout (); if (layout != cur_layout) { /* ** Since the new layout may cause changes in window size, we ** should free the content and reallocate on next display of ** source/asm */ tui_free_all_source_wins_content (); tui_clear_source_windows (); if (layout == SRC_DATA_COMMAND || layout == DISASSEM_DATA_COMMAND) { show_data (layout); tui_refresh_all (tui_win_list); } else { /* First make the current layout be invisible */ tui_make_all_invisible (); tui_make_invisible (tui_locator_win_info_ptr ()); switch (layout) { /* Now show the new layout */ case SRC_COMMAND: show_source_command (); tui_add_to_source_windows (TUI_SRC_WIN); break; case DISASSEM_COMMAND: show_disasm_command (); tui_add_to_source_windows (TUI_DISASM_WIN); break; case SRC_DISASSEM_COMMAND: show_source_disasm_command (); tui_add_to_source_windows (TUI_SRC_WIN); tui_add_to_source_windows (TUI_DISASM_WIN); break; default: break; } } } } /* Function to set the layout to SRC_COMMAND, DISASSEM_COMMAND, SRC_DISASSEM_COMMAND, SRC_DATA_COMMAND, or DISASSEM_DATA_COMMAND. If the layout is SRC_DATA_COMMAND, DISASSEM_DATA_COMMAND, or UNDEFINED_LAYOUT, then the data window is populated according to regs_display_type. */ enum tui_status tui_set_layout (enum tui_layout_type layout_type, enum tui_register_display_type regs_display_type) { enum tui_status status = TUI_SUCCESS; if (layout_type != UNDEFINED_LAYOUT || regs_display_type != TUI_UNDEFINED_REGS) { enum tui_layout_type cur_layout = tui_current_layout (), new_layout = UNDEFINED_LAYOUT; int regs_populate = FALSE; CORE_ADDR addr = extract_display_start_addr (); struct tui_win_info * new_win_with_focus = (struct tui_win_info *) NULL; struct tui_win_info * win_with_focus = tui_win_with_focus (); struct tui_layout_def * layout_def = tui_layout_def (); if (layout_type == UNDEFINED_LAYOUT && regs_display_type != TUI_UNDEFINED_REGS) { if (cur_layout == SRC_DISASSEM_COMMAND) new_layout = DISASSEM_DATA_COMMAND; else if (cur_layout == SRC_COMMAND || cur_layout == SRC_DATA_COMMAND) new_layout = SRC_DATA_COMMAND; else if (cur_layout == DISASSEM_COMMAND || cur_layout == DISASSEM_DATA_COMMAND) new_layout = DISASSEM_DATA_COMMAND; } else new_layout = layout_type; regs_populate = (new_layout == SRC_DATA_COMMAND || new_layout == DISASSEM_DATA_COMMAND || regs_display_type != TUI_UNDEFINED_REGS); if (new_layout != cur_layout || regs_display_type != TUI_UNDEFINED_REGS) { if (new_layout != cur_layout) { show_layout (new_layout); /* ** Now determine where focus should be */ if (win_with_focus != TUI_CMD_WIN) { switch (new_layout) { case SRC_COMMAND: tui_set_win_focus_to (TUI_SRC_WIN); layout_def->display_mode = SRC_WIN; layout_def->split = FALSE; break; case DISASSEM_COMMAND: /* the previous layout was not showing ** code. this can happen if there is no ** source available: ** 1. if the source file is in another dir OR ** 2. if target was compiled without -g ** We still want to show the assembly though! */ addr = tui_get_begin_asm_address (); tui_set_win_focus_to (TUI_DISASM_WIN); layout_def->display_mode = DISASSEM_WIN; layout_def->split = FALSE; break; case SRC_DISASSEM_COMMAND: /* the previous layout was not showing ** code. this can happen if there is no ** source available: ** 1. if the source file is in another dir OR ** 2. if target was compiled without -g ** We still want to show the assembly though! */ addr = tui_get_begin_asm_address (); if (win_with_focus == TUI_SRC_WIN) tui_set_win_focus_to (TUI_SRC_WIN); else tui_set_win_focus_to (TUI_DISASM_WIN); layout_def->split = TRUE; break; case SRC_DATA_COMMAND: if (win_with_focus != TUI_DATA_WIN) tui_set_win_focus_to (TUI_SRC_WIN); else tui_set_win_focus_to (TUI_DATA_WIN); layout_def->display_mode = SRC_WIN; layout_def->split = FALSE; break; case DISASSEM_DATA_COMMAND: /* the previous layout was not showing ** code. this can happen if there is no ** source available: ** 1. if the source file is in another dir OR ** 2. if target was compiled without -g ** We still want to show the assembly though! */ addr = tui_get_begin_asm_address (); if (win_with_focus != TUI_DATA_WIN) tui_set_win_focus_to (TUI_DISASM_WIN); else tui_set_win_focus_to (TUI_DATA_WIN); layout_def->display_mode = DISASSEM_WIN; layout_def->split = FALSE; break; default: break; } } if (new_win_with_focus != (struct tui_win_info *) NULL) tui_set_win_focus_to (new_win_with_focus); /* ** Now update the window content */ if (!regs_populate && (new_layout == SRC_DATA_COMMAND || new_layout == DISASSEM_DATA_COMMAND)) tui_display_all_data (); tui_update_source_windows_with_addr (addr); } if (regs_populate) { layout_def->regs_display_type = (regs_display_type == TUI_UNDEFINED_REGS ? TUI_GENERAL_REGS : regs_display_type); tui_show_registers (layout_def->regs_display_type); } } } else status = TUI_FAILURE; return status; } /* Add the specified window to the layout in a logical way. This means setting up the most logical layout given the window to be added. */ void tui_add_win_to_layout (enum tui_win_type type) { enum tui_layout_type cur_layout = tui_current_layout (); switch (type) { case SRC_WIN: if (cur_layout != SRC_COMMAND && cur_layout != SRC_DISASSEM_COMMAND && cur_layout != SRC_DATA_COMMAND) { tui_clear_source_windows_detail (); if (cur_layout == DISASSEM_DATA_COMMAND) show_layout (SRC_DATA_COMMAND); else show_layout (SRC_COMMAND); } break; case DISASSEM_WIN: if (cur_layout != DISASSEM_COMMAND && cur_layout != SRC_DISASSEM_COMMAND && cur_layout != DISASSEM_DATA_COMMAND) { tui_clear_source_windows_detail (); if (cur_layout == SRC_DATA_COMMAND) show_layout (DISASSEM_DATA_COMMAND); else show_layout (DISASSEM_COMMAND); } break; case DATA_WIN: if (cur_layout != SRC_DATA_COMMAND && cur_layout != DISASSEM_DATA_COMMAND) { if (cur_layout == DISASSEM_COMMAND) show_layout (DISASSEM_DATA_COMMAND); else show_layout (SRC_DATA_COMMAND); } break; default: break; } } /* Answer the height of a window. If it hasn't been created yet, answer what the height of a window would be based upon its type and the layout. */ int tui_default_win_height (enum tui_win_type type, enum tui_layout_type layout) { int h; if (tui_win_list[type] != (struct tui_win_info *) NULL) h = tui_win_list[type]->generic.height; else { switch (layout) { case SRC_COMMAND: case DISASSEM_COMMAND: if (TUI_CMD_WIN == NULL) h = tui_term_height () / 2; else h = tui_term_height () - TUI_CMD_WIN->generic.height; break; case SRC_DISASSEM_COMMAND: case SRC_DATA_COMMAND: case DISASSEM_DATA_COMMAND: if (TUI_CMD_WIN == NULL) h = tui_term_height () / 3; else h = (tui_term_height () - TUI_CMD_WIN->generic.height) / 2; break; default: h = 0; break; } } return h; } /* Answer the height of a window. If it hasn't been created yet, answer what the height of a window would be based upon its type and the layout. */ int tui_default_win_viewport_height (enum tui_win_type type, enum tui_layout_type layout) { int h; h = tui_default_win_height (type, layout); if (tui_win_list[type] == TUI_CMD_WIN) h -= 1; else h -= 2; return h; } /* Function to initialize gdb commands, for tui window layout manipulation. */ void _initialize_tui_layout (void) { add_com ("layout", class_tui, tui_layout_command, "Change the layout of windows.\n\ Usage: layout prev | next | \n\ Layout names are:\n\ src : Displays source and command windows.\n\ asm : Displays disassembly and command windows.\n\ split : Displays source, disassembly and command windows.\n\ regs : Displays register window. If existing layout\n\ is source/command or assembly/command, the \n\ register window is displayed. If the\n\ source/assembly/command (split) is displayed, \n\ the register window is displayed with \n\ the window that has current logical focus.\n"); if (xdb_commands) { add_com ("td", class_tui, tui_toggle_layout_command, "Toggle between Source/Command and Disassembly/Command layouts.\n"); add_com ("ts", class_tui, tui_toggle_split_layout_command, "Toggle between Source/Command or Disassembly/Command and \n\ Source/Disassembly/Command layouts.\n"); } } /************************* ** STATIC LOCAL FUNCTIONS **************************/ /* Function to set the layout to SRC, ASM, SPLIT, NEXT, PREV, DATA, REGS, $REGS, $GREGS, $FREGS, $SREGS. */ enum tui_status tui_set_layout_for_display_command (const char *layout_name) { enum tui_status status = TUI_SUCCESS; if (layout_name != (char *) NULL) { int i; char *buf_ptr; enum tui_layout_type new_layout = UNDEFINED_LAYOUT; enum tui_register_display_type dpy_type = TUI_UNDEFINED_REGS; enum tui_layout_type cur_layout = tui_current_layout (); buf_ptr = (char *) xstrdup (layout_name); for (i = 0; (i < strlen (layout_name)); i++) buf_ptr[i] = toupper (buf_ptr[i]); /* First check for ambiguous input */ if (strlen (buf_ptr) <= 1 && (*buf_ptr == 'S' || *buf_ptr == '$')) { warning ("Ambiguous command input.\n"); status = TUI_FAILURE; } else { if (subset_compare (buf_ptr, "SRC")) new_layout = SRC_COMMAND; else if (subset_compare (buf_ptr, "ASM")) new_layout = DISASSEM_COMMAND; else if (subset_compare (buf_ptr, "SPLIT")) new_layout = SRC_DISASSEM_COMMAND; else if (subset_compare (buf_ptr, "REGS") || subset_compare (buf_ptr, TUI_GENERAL_SPECIAL_REGS_NAME) || subset_compare (buf_ptr, TUI_GENERAL_REGS_NAME) || subset_compare (buf_ptr, TUI_FLOAT_REGS_NAME) || subset_compare (buf_ptr, TUI_SPECIAL_REGS_NAME)) { if (cur_layout == SRC_COMMAND || cur_layout == SRC_DATA_COMMAND) new_layout = SRC_DATA_COMMAND; else new_layout = DISASSEM_DATA_COMMAND; /* could ifdef out the following code. when compile with -z, there are null pointer references that cause a core dump if 'layout regs' is the first layout command issued by the user. HP has asked us to hook up this code - edie epstein */ if (subset_compare (buf_ptr, TUI_FLOAT_REGS_NAME)) { if (TUI_DATA_WIN->detail.data_display_info.regs_display_type != TUI_SFLOAT_REGS && TUI_DATA_WIN->detail.data_display_info.regs_display_type != TUI_DFLOAT_REGS) dpy_type = TUI_SFLOAT_REGS; else dpy_type = TUI_DATA_WIN->detail.data_display_info.regs_display_type; } else if (subset_compare (buf_ptr, TUI_GENERAL_SPECIAL_REGS_NAME)) dpy_type = TUI_GENERAL_AND_SPECIAL_REGS; else if (subset_compare (buf_ptr, TUI_GENERAL_REGS_NAME)) dpy_type = TUI_GENERAL_REGS; else if (subset_compare (buf_ptr, TUI_SPECIAL_REGS_NAME)) dpy_type = TUI_SPECIAL_REGS; else if (TUI_DATA_WIN) { if (TUI_DATA_WIN->detail.data_display_info.regs_display_type != TUI_UNDEFINED_REGS) dpy_type = TUI_DATA_WIN->detail.data_display_info.regs_display_type; else dpy_type = TUI_GENERAL_REGS; } /* end of potential ifdef */ /* if ifdefed out code above, then assume that the user wishes to display the general purpose registers */ /* dpy_type = TUI_GENERAL_REGS; */ } else if (subset_compare (buf_ptr, "NEXT")) new_layout = next_layout (); else if (subset_compare (buf_ptr, "PREV")) new_layout = prev_layout (); else status = TUI_FAILURE; xfree (buf_ptr); tui_set_layout (new_layout, dpy_type); } } else status = TUI_FAILURE; return status; } static CORE_ADDR extract_display_start_addr (void) { enum tui_layout_type cur_layout = tui_current_layout (); CORE_ADDR addr; CORE_ADDR pc; struct symtab_and_line cursal = get_current_source_symtab_and_line (); switch (cur_layout) { case SRC_COMMAND: case SRC_DATA_COMMAND: find_line_pc (cursal.symtab, TUI_SRC_WIN->detail.source_info.start_line_or_addr.line_no, &pc); addr = pc; break; case DISASSEM_COMMAND: case SRC_DISASSEM_COMMAND: case DISASSEM_DATA_COMMAND: addr = TUI_DISASM_WIN->detail.source_info.start_line_or_addr.addr; break; default: addr = 0; break; } return addr; } static void tui_handle_xdb_layout (struct tui_layout_def * layout_def) { if (layout_def->split) { tui_set_layout (SRC_DISASSEM_COMMAND, TUI_UNDEFINED_REGS); tui_set_win_focus_to (tui_win_list[layout_def->display_mode]); } else { if (layout_def->display_mode == SRC_WIN) tui_set_layout (SRC_COMMAND, TUI_UNDEFINED_REGS); else tui_set_layout (DISASSEM_DATA_COMMAND, layout_def->regs_display_type); } } static void tui_toggle_layout_command (char *arg, int from_tty) { struct tui_layout_def * layout_def = tui_layout_def (); /* Make sure the curses mode is enabled. */ tui_enable (); if (layout_def->display_mode == SRC_WIN) layout_def->display_mode = DISASSEM_WIN; else layout_def->display_mode = SRC_WIN; if (!layout_def->split) tui_handle_xdb_layout (layout_def); } static void tui_toggle_split_layout_command (char *arg, int from_tty) { struct tui_layout_def * layout_def = tui_layout_def (); /* Make sure the curses mode is enabled. */ tui_enable (); layout_def->split = (!layout_def->split); tui_handle_xdb_layout (layout_def); } static void tui_layout_command (char *arg, int from_tty) { /* Make sure the curses mode is enabled. */ tui_enable (); /* Switch to the selected layout. */ if (tui_set_layout_for_display_command (arg) != TUI_SUCCESS) warning ("Invalid layout specified.\n%s", LAYOUT_USAGE); } /* Answer the previous layout to cycle to. */ static enum tui_layout_type next_layout (void) { enum tui_layout_type new_layout; new_layout = tui_current_layout (); if (new_layout == UNDEFINED_LAYOUT) new_layout = SRC_COMMAND; else { new_layout++; if (new_layout == UNDEFINED_LAYOUT) new_layout = SRC_COMMAND; } return new_layout; } /* Answer the next layout to cycle to. */ static enum tui_layout_type prev_layout (void) { enum tui_layout_type new_layout; new_layout = tui_current_layout (); if (new_layout == SRC_COMMAND) new_layout = DISASSEM_DATA_COMMAND; else { new_layout--; if (new_layout == UNDEFINED_LAYOUT) new_layout = DISASSEM_DATA_COMMAND; } return new_layout; } static void make_command_window (struct tui_win_info * * win_info_ptr, int height, int origin_y) { init_and_make_win ((void **) win_info_ptr, CMD_WIN, height, tui_term_width (), 0, origin_y, DONT_BOX_WINDOW); (*win_info_ptr)->can_highlight = FALSE; } /* ** make_source_window(). */ static void make_source_window (struct tui_win_info * * win_info_ptr, int height, int origin_y) { make_source_or_disasm_window (win_info_ptr, SRC_WIN, height, origin_y); return; } /* make_source_window */ /* ** make_disasm_window(). */ static void make_disasm_window (struct tui_win_info * * win_info_ptr, int height, int origin_y) { make_source_or_disasm_window (win_info_ptr, DISASSEM_WIN, height, origin_y); return; } /* make_disasm_window */ static void make_data_window (struct tui_win_info * * win_info_ptr, int height, int origin_y) { init_and_make_win ((void **) win_info_ptr, DATA_WIN, height, tui_term_width (), 0, origin_y, BOX_WINDOW); } /* Show the Source/Command layout. */ static void show_source_command (void) { show_source_or_disasm_and_command (SRC_COMMAND); } /* Show the Dissassem/Command layout. */ static void show_disasm_command (void) { show_source_or_disasm_and_command (DISASSEM_COMMAND); } /* Show the Source/Disassem/Command layout. */ static void show_source_disasm_command (void) { if (tui_current_layout () != SRC_DISASSEM_COMMAND) { int cmd_height, src_height, asm_height; if (TUI_CMD_WIN != NULL) cmd_height = TUI_CMD_WIN->generic.height; else cmd_height = tui_term_height () / 3; src_height = (tui_term_height () - cmd_height) / 2; asm_height = tui_term_height () - (src_height + cmd_height); if (TUI_SRC_WIN == NULL) make_source_window (&TUI_SRC_WIN, src_height, 0); else { init_gen_win_info (&TUI_SRC_WIN->generic, TUI_SRC_WIN->generic.type, src_height, TUI_SRC_WIN->generic.width, TUI_SRC_WIN->detail.source_info.execution_info->width, 0); TUI_SRC_WIN->can_highlight = TRUE; init_gen_win_info (TUI_SRC_WIN->detail.source_info.execution_info, EXEC_INFO_WIN, src_height, 3, 0, 0); tui_make_visible (&TUI_SRC_WIN->generic); tui_make_visible (TUI_SRC_WIN->detail.source_info.execution_info); TUI_SRC_WIN->detail.source_info.has_locator = FALSE;; } if (TUI_SRC_WIN != NULL) { struct tui_gen_win_info * locator = tui_locator_win_info_ptr (); tui_show_source_content (TUI_SRC_WIN); if (TUI_DISASM_WIN == NULL) { make_disasm_window (&TUI_DISASM_WIN, asm_height, src_height - 1); init_and_make_win ((void **) & locator, LOCATOR_WIN, 2 /* 1 */ , tui_term_width (), 0, (src_height + asm_height) - 1, DONT_BOX_WINDOW); } else { init_gen_win_info (locator, LOCATOR_WIN, 2 /* 1 */ , tui_term_width (), 0, (src_height + asm_height) - 1); TUI_DISASM_WIN->detail.source_info.has_locator = TRUE; init_gen_win_info ( &TUI_DISASM_WIN->generic, TUI_DISASM_WIN->generic.type, asm_height, TUI_DISASM_WIN->generic.width, TUI_DISASM_WIN->detail.source_info.execution_info->width, src_height - 1); init_gen_win_info (TUI_DISASM_WIN->detail.source_info.execution_info, EXEC_INFO_WIN, asm_height, 3, 0, src_height - 1); TUI_DISASM_WIN->can_highlight = TRUE; tui_make_visible (&TUI_DISASM_WIN->generic); tui_make_visible (TUI_DISASM_WIN->detail.source_info.execution_info); } if (TUI_DISASM_WIN != NULL) { TUI_SRC_WIN->detail.source_info.has_locator = FALSE; TUI_DISASM_WIN->detail.source_info.has_locator = TRUE; tui_make_visible (locator); tui_show_locator_content (); tui_show_source_content (TUI_DISASM_WIN); if (TUI_CMD_WIN == NULL) make_command_window (&TUI_CMD_WIN, cmd_height, tui_term_height () - cmd_height); else { init_gen_win_info (&TUI_CMD_WIN->generic, TUI_CMD_WIN->generic.type, TUI_CMD_WIN->generic.height, TUI_CMD_WIN->generic.width, 0, TUI_CMD_WIN->generic.origin.y); TUI_CMD_WIN->can_highlight = FALSE; tui_make_visible (&TUI_CMD_WIN->generic); } if (TUI_CMD_WIN != NULL) tui_refresh_win (&TUI_CMD_WIN->generic); } } tui_set_current_layout_to (SRC_DISASSEM_COMMAND); } } /* Show the Source/Data/Command or the Dissassembly/Data/Command layout. */ static void show_data (enum tui_layout_type new_layout) { int total_height = (tui_term_height () - TUI_CMD_WIN->generic.height); int src_height, data_height; enum tui_win_type win_type; struct tui_gen_win_info * locator = tui_locator_win_info_ptr (); data_height = total_height / 2; src_height = total_height - data_height; tui_make_all_invisible (); tui_make_invisible (locator); make_data_window (&TUI_DATA_WIN, data_height, 0); TUI_DATA_WIN->can_highlight = TRUE; if (new_layout == SRC_DATA_COMMAND) win_type = SRC_WIN; else win_type = DISASSEM_WIN; if (tui_win_list[win_type] == NULL) { if (win_type == SRC_WIN) make_source_window (&tui_win_list[win_type], src_height, data_height - 1); else make_disasm_window (&tui_win_list[win_type], src_height, data_height - 1); init_and_make_win ((void **) & locator, LOCATOR_WIN, 2 /* 1 */ , tui_term_width (), 0, total_height - 1, DONT_BOX_WINDOW); } else { init_gen_win_info (&tui_win_list[win_type]->generic, tui_win_list[win_type]->generic.type, src_height, tui_win_list[win_type]->generic.width, tui_win_list[win_type]->detail.source_info.execution_info->width, data_height - 1); init_gen_win_info (tui_win_list[win_type]->detail.source_info.execution_info, EXEC_INFO_WIN, src_height, 3, 0, data_height - 1); tui_make_visible (&tui_win_list[win_type]->generic); tui_make_visible (tui_win_list[win_type]->detail.source_info.execution_info); init_gen_win_info (locator, LOCATOR_WIN, 2 /* 1 */ , tui_term_width (), 0, total_height - 1); } tui_win_list[win_type]->detail.source_info.has_locator = TRUE; tui_make_visible (locator); tui_show_locator_content (); tui_add_to_source_windows (tui_win_list[win_type]); tui_set_current_layout_to (new_layout); } /* ** init_gen_win_info(). */ static void init_gen_win_info (struct tui_gen_win_info * win_info, enum tui_win_type type, int height, int width, int origin_x, int origin_y) { int h = height; win_info->type = type; win_info->width = width; win_info->height = h; if (h > 1) { win_info->viewport_height = h - 1; if (win_info->type != CMD_WIN) win_info->viewport_height--; } else win_info->viewport_height = 1; win_info->origin.x = origin_x; win_info->origin.y = origin_y; return; } /* init_gen_win_info */ /* ** init_and_make_win(). */ static void init_and_make_win (void ** win_info_ptr, enum tui_win_type win_type, int height, int width, int origin_x, int origin_y, int box_it) { void *opaque_win_info = *win_info_ptr; struct tui_gen_win_info * generic; if (opaque_win_info == NULL) { if (tui_win_is_auxillary (win_type)) opaque_win_info = (void *) tui_alloc_generic_win_info (); else opaque_win_info = (void *) tui_alloc_win_info (win_type); } if (tui_win_is_auxillary (win_type)) generic = (struct tui_gen_win_info *) opaque_win_info; else generic = &((struct tui_win_info *) opaque_win_info)->generic; if (opaque_win_info != NULL) { init_gen_win_info (generic, win_type, height, width, origin_x, origin_y); if (!tui_win_is_auxillary (win_type)) { if (generic->type == CMD_WIN) ((struct tui_win_info *) opaque_win_info)->can_highlight = FALSE; else ((struct tui_win_info *) opaque_win_info)->can_highlight = TRUE; } tui_make_window (generic, box_it); } *win_info_ptr = opaque_win_info; } static void make_source_or_disasm_window (struct tui_win_info * * win_info_ptr, enum tui_win_type type, int height, int origin_y) { struct tui_gen_win_info * execution_info = (struct tui_gen_win_info *) NULL; /* ** Create the exeuction info window. */ if (type == SRC_WIN) execution_info = tui_source_exec_info_win_ptr (); else execution_info = tui_disassem_exec_info_win_ptr (); init_and_make_win ((void **) & execution_info, EXEC_INFO_WIN, height, 3, 0, origin_y, DONT_BOX_WINDOW); /* ** Now create the source window. */ init_and_make_win ((void **) win_info_ptr, type, height, tui_term_width () - execution_info->width, execution_info->width, origin_y, BOX_WINDOW); (*win_info_ptr)->detail.source_info.execution_info = execution_info; } /* Show the Source/Command or the Disassem layout. */ static void show_source_or_disasm_and_command (enum tui_layout_type layout_type) { if (tui_current_layout () != layout_type) { struct tui_win_info * *win_info_ptr; int src_height, cmd_height; struct tui_gen_win_info * locator = tui_locator_win_info_ptr (); if (TUI_CMD_WIN != NULL) cmd_height = TUI_CMD_WIN->generic.height; else cmd_height = tui_term_height () / 3; src_height = tui_term_height () - cmd_height; if (layout_type == SRC_COMMAND) win_info_ptr = &TUI_SRC_WIN; else win_info_ptr = &TUI_DISASM_WIN; if ((*win_info_ptr) == NULL) { if (layout_type == SRC_COMMAND) make_source_window (win_info_ptr, src_height - 1, 0); else make_disasm_window (win_info_ptr, src_height - 1, 0); init_and_make_win ((void **) & locator, LOCATOR_WIN, 2 /* 1 */ , tui_term_width (), 0, src_height - 1, DONT_BOX_WINDOW); } else { init_gen_win_info (locator, LOCATOR_WIN, 2 /* 1 */ , tui_term_width (), 0, src_height - 1); (*win_info_ptr)->detail.source_info.has_locator = TRUE; init_gen_win_info ( &(*win_info_ptr)->generic, (*win_info_ptr)->generic.type, src_height - 1, (*win_info_ptr)->generic.width, (*win_info_ptr)->detail.source_info.execution_info->width, 0); init_gen_win_info ((*win_info_ptr)->detail.source_info.execution_info, EXEC_INFO_WIN, src_height - 1, 3, 0, 0); (*win_info_ptr)->can_highlight = TRUE; tui_make_visible (&(*win_info_ptr)->generic); tui_make_visible ((*win_info_ptr)->detail.source_info.execution_info); } if ((*win_info_ptr) != NULL) { (*win_info_ptr)->detail.source_info.has_locator = TRUE; tui_make_visible (locator); tui_show_locator_content (); tui_show_source_content (*win_info_ptr); if (TUI_CMD_WIN == NULL) { make_command_window (&TUI_CMD_WIN, cmd_height, src_height); tui_refresh_win (&TUI_CMD_WIN->generic); } else { init_gen_win_info (&TUI_CMD_WIN->generic, TUI_CMD_WIN->generic.type, TUI_CMD_WIN->generic.height, TUI_CMD_WIN->generic.width, TUI_CMD_WIN->generic.origin.x, TUI_CMD_WIN->generic.origin.y); TUI_CMD_WIN->can_highlight = FALSE; tui_make_visible (&TUI_CMD_WIN->generic); } } tui_set_current_layout_to (layout_type); } }