| /* Data/register window display. |
| |
| Copyright (C) 1998-2018 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 (const 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, |
| (char *) 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 ** |
| ******************************************/ |