/* Data/register window display. Copyright (C) 1998-2015 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 3 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, see <http://www.gnu.org/licenses/>. */ #include "defs.h" #include "tui/tui.h" #include "tui/tui-data.h" #include "tui/tui-wingeneral.h" #include "tui/tui-regs.h" #include "tui/tui-windata.h" #include "gdb_curses.h" /***************************************** ** STATIC LOCAL FUNCTIONS FORWARD DECLS ** ******************************************/ /***************************************** ** PUBLIC FUNCTIONS ** ******************************************/ /* Answer the index first element displayed. If none are displayed, then return (-1). */ int tui_first_data_item_displayed (void) { int element_no = (-1); int i; for (i = 0; i < TUI_DATA_WIN->generic.content_size && element_no < 0; i++) { struct tui_gen_win_info *data_item_win; data_item_win = &((tui_win_content) TUI_DATA_WIN->generic.content)[i]->which_element.data_window; if (data_item_win->handle != (WINDOW *) NULL && data_item_win->is_visible) element_no = i; } return element_no; } /* Answer the index of the first element in line_no. If line_no is past the data area (-1) is returned. */ int tui_first_data_element_no_in_line (int line_no) { int first_element_no = (-1); /* First see if there is a register on line_no, and if so, set the first element number. */ if ((first_element_no = tui_first_reg_element_no_inline (line_no)) == -1) { /* Looking at the general data, the 1st element on line_no. */ } return first_element_no; } /* Function to delete all the item windows in the data window. This is usually done when the data window is scrolled. */ void tui_delete_data_content_windows (void) { int i; struct tui_gen_win_info *data_item_win_ptr; for (i = 0; (i < TUI_DATA_WIN->generic.content_size); i++) { data_item_win_ptr = &((tui_win_content) TUI_DATA_WIN->generic.content)[i]->which_element.data_window; tui_delete_win (data_item_win_ptr->handle); data_item_win_ptr->handle = NULL; data_item_win_ptr->is_visible = FALSE; } } void tui_erase_data_content (char *prompt) { werase (TUI_DATA_WIN->generic.handle); tui_check_and_display_highlight_if_needed (TUI_DATA_WIN); if (prompt != (char *) NULL) { int half_width = (TUI_DATA_WIN->generic.width - 2) / 2; int x_pos; if (strlen (prompt) >= half_width) x_pos = 1; else x_pos = half_width - strlen (prompt); mvwaddstr (TUI_DATA_WIN->generic.handle, (TUI_DATA_WIN->generic.height / 2), x_pos, prompt); } wrefresh (TUI_DATA_WIN->generic.handle); } /* This function displays the data that is in the data window's content. It does not set the content. */ void tui_display_all_data (void) { if (TUI_DATA_WIN->generic.content_size <= 0) tui_erase_data_content (NO_DATA_STRING); else { tui_erase_data_content ((char *) NULL); tui_delete_data_content_windows (); tui_check_and_display_highlight_if_needed (TUI_DATA_WIN); tui_display_registers_from (0); /* Then display the other data. */ if (TUI_DATA_WIN->detail.data_display_info.data_content != (tui_win_content) NULL && TUI_DATA_WIN->detail.data_display_info.data_content_count > 0) { } } } /* Function to display the data starting at line, line_no, in the data window. */ void tui_display_data_from_line (int line_no) { int _line_no = line_no; if (line_no < 0) _line_no = 0; tui_check_and_display_highlight_if_needed (TUI_DATA_WIN); /* There is no general data, force regs to display (if there are any). */ if (TUI_DATA_WIN->detail.data_display_info.data_content_count <= 0) tui_display_registers_from_line (_line_no, TRUE); else { int regs_last_line = tui_last_regs_line_no (); /* Display regs if we can. */ if (tui_display_registers_from_line (_line_no, FALSE) < 0) { /* _line_no is past the regs display, so calc where the start data element is. */ if (regs_last_line < _line_no) { /* Figure out how many lines each element is to obtain the start element_no. */ } } else { /* Calculate the starting element of the data display, given regs_last_line and how many lines each element is, up to _line_no. */ } /* Now display the data , starting at element_no. */ } } /* Display data starting at element element_no. */ void tui_display_data_from (int element_no, int reuse_windows) { int first_line = (-1); if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count) first_line = tui_line_from_reg_element_no (element_no); else { /* Calculate the first_line from the element number. */ } if (first_line >= 0) { tui_erase_data_content ((char *) NULL); if (!reuse_windows) tui_delete_data_content_windows (); tui_display_data_from_line (first_line); } } /* Function to redisplay the contents of the data window. */ void tui_refresh_data_win (void) { tui_erase_data_content ((char *) NULL); if (TUI_DATA_WIN->generic.content_size > 0) { int first_element = tui_first_data_item_displayed (); if (first_element >= 0) /* Re-use existing windows. */ tui_display_data_from (first_element, TRUE); } } /* Function to check the data values and hilite any that have changed. */ void tui_check_data_values (struct frame_info *frame) { tui_check_register_values (frame); /* Now check any other data values that there are. */ if (TUI_DATA_WIN != NULL && TUI_DATA_WIN->generic.is_visible) { int i; for (i = 0; TUI_DATA_WIN->detail.data_display_info.data_content_count; i++) { #ifdef LATER tui_data_element_ptr data_element_ptr; struct tui_gen_win_info *data_item_win_ptr; Opaque new_value; data_item_ptr = &TUI_DATA_WIN->detail.data_display_info. data_content[i]->which_element.data_window; data_element_ptr = &((tui_win_content) data_item_win_ptr->content)[0]->which_element.data; if value has changed (data_element_ptr, frame, &new_value) { data_element_ptr->value = new_value; update the display with the newobj value, hiliting it. } #endif } } } /* Scroll the data window vertically forward or backward. */ void tui_vertical_data_scroll (enum tui_scroll_direction scroll_direction, int num_to_scroll) { int first_element_no; int first_line = (-1); first_element_no = tui_first_data_item_displayed (); if (first_element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count) first_line = tui_line_from_reg_element_no (first_element_no); else { /* Calculate the first line from the element number which is in the general data content. */ } if (first_line >= 0) { if (scroll_direction == FORWARD_SCROLL) first_line += num_to_scroll; else first_line -= num_to_scroll; tui_erase_data_content ((char *) NULL); tui_delete_data_content_windows (); tui_display_data_from_line (first_line); } } /***************************************** ** STATIC LOCAL FUNCTIONS ** ******************************************/