/* Data/register window display. 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 "tui/tui.h" #include "tui/tui-data.h" #include "tui/tui-wingeneral.h" #include "tui/tui-regs.h" #ifdef HAVE_NCURSES_H #include #else #ifdef HAVE_CURSES_H #include #endif #endif /***************************************** ** STATIC LOCAL FUNCTIONS FORWARD DECLS ** ******************************************/ /***************************************** ** PUBLIC FUNCTIONS ** ******************************************/ /* ** tuiFirstDataItemDisplayed() ** Answer the index first element displayed. ** If none are displayed, then return (-1). */ int tuiFirstDataItemDisplayed (void) { int elementNo = (-1); int i; for (i = 0; (i < dataWin->generic.contentSize && elementNo < 0); i++) { struct tui_gen_win_info * dataItemWin; dataItemWin = &((tui_win_content) dataWin->generic.content)[i]->whichElement.dataWindow; if (dataItemWin->handle != (WINDOW *) NULL && dataItemWin->isVisible) elementNo = i; } return elementNo; } /* tuiFirstDataItemDisplayed */ /* ** tuiFirstDataElementNoInLine() ** Answer the index of the first element in lineNo. If lineNo is ** past the data area (-1) is returned. */ int tuiFirstDataElementNoInLine (int lineNo) { int firstElementNo = (-1); /* ** First see if there is a register on lineNo, and if so, set the ** first element number */ if ((firstElementNo = tui_first_reg_element_no_inline (lineNo)) == -1) { /* ** Looking at the general data, the 1st element on lineNo */ } return firstElementNo; } /* tuiFirstDataElementNoInLine */ /* ** tuiDeleteDataContentWindows() ** Function to delete all the item windows in the data window. ** This is usually done when the data window is scrolled. */ void tuiDeleteDataContentWindows (void) { int i; struct tui_gen_win_info * dataItemWinPtr; for (i = 0; (i < dataWin->generic.contentSize); i++) { dataItemWinPtr = &((tui_win_content) dataWin->generic.content)[i]->whichElement.dataWindow; tui_delete_win (dataItemWinPtr->handle); dataItemWinPtr->handle = (WINDOW *) NULL; dataItemWinPtr->isVisible = FALSE; } return; } /* tuiDeleteDataContentWindows */ void tui_erase_data_content (char *prompt) { werase (dataWin->generic.handle); tui_check_and_display_highlight_if_needed (dataWin); if (prompt != (char *) NULL) { int halfWidth = (dataWin->generic.width - 2) / 2; int xPos; if (strlen (prompt) >= halfWidth) xPos = 1; else xPos = halfWidth - strlen (prompt); mvwaddstr (dataWin->generic.handle, (dataWin->generic.height / 2), xPos, prompt); } wrefresh (dataWin->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 (dataWin->generic.contentSize <= 0) tui_erase_data_content (NO_DATA_STRING); else { tui_erase_data_content ((char *) NULL); tuiDeleteDataContentWindows (); tui_check_and_display_highlight_if_needed (dataWin); tui_display_registers_from (0); /* ** Then display the other data */ if (dataWin->detail.dataDisplayInfo.dataContent != (tui_win_content) NULL && dataWin->detail.dataDisplayInfo.dataContentCount > 0) { } } } /* ** tuiDisplayDataFromLine() ** Function to display the data starting at line, lineNo, in the ** data window. */ void tuiDisplayDataFromLine (int lineNo) { int _lineNo = lineNo; if (lineNo < 0) _lineNo = 0; tui_check_and_display_highlight_if_needed (dataWin); /* there is no general data, force regs to display (if there are any) */ if (dataWin->detail.dataDisplayInfo.dataContentCount <= 0) tui_display_registers_from_line (_lineNo, TRUE); else { int elementNo, startLineNo; int regsLastLine = tui_last_regs_line_no (); /* display regs if we can */ if (tui_display_registers_from_line (_lineNo, FALSE) < 0) { /* ** _lineNo is past the regs display, so calc where the ** start data element is */ if (regsLastLine < _lineNo) { /* figure out how many lines each element is to obtain the start elementNo */ } } else { /* ** calculate the starting element of the data display, given ** regsLastLine and how many lines each element is, up to ** _lineNo */ } /* Now display the data , starting at elementNo */ } return; } /* tuiDisplayDataFromLine */ /* ** tuiDisplayDataFrom() ** Display data starting at element elementNo */ void tuiDisplayDataFrom (int elementNo, int reuseWindows) { int firstLine = (-1); if (elementNo < dataWin->detail.dataDisplayInfo.regsContentCount) firstLine = tui_line_from_reg_element_no (elementNo); else { /* calculate the firstLine from the element number */ } if (firstLine >= 0) { tui_erase_data_content ((char *) NULL); if (!reuseWindows) tuiDeleteDataContentWindows (); tuiDisplayDataFromLine (firstLine); } return; } /* tuiDisplayDataFrom */ /* Function to redisplay the contents of the data window. */ void tui_refresh_data_win (void) { tui_erase_data_content ((char *) NULL); if (dataWin->generic.contentSize > 0) { int firstElement = tuiFirstDataItemDisplayed (); if (firstElement >= 0) /* re-use existing windows */ tuiDisplayDataFrom (firstElement, 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 (m_winPtrNotNull (dataWin) && dataWin->generic.isVisible) { int i; for (i = 0; dataWin->detail.dataDisplayInfo.dataContentCount; i++) { #ifdef LATER TuiDataElementPtr dataElementPtr; struct tui_gen_win_info * dataItemWinPtr; Opaque newValue; dataItemPtr = &dataWin->detail.dataDisplayInfo. dataContent[i]->whichElement.dataWindow; dataElementPtr = &((tui_win_content) dataItemWinPtr->content)[0]->whichElement.data; if value has changed (dataElementPtr, frame, &newValue) { dataElementPtr->value = newValue; update the display with the new value, hiliting it. } #endif } } } /* Scroll the data window vertically forward or backward. */ void tui_vertical_data_scroll (enum tui_scroll_direction scrollDirection, int numToScroll) { int firstElementNo; int firstLine = (-1); firstElementNo = tuiFirstDataItemDisplayed (); if (firstElementNo < dataWin->detail.dataDisplayInfo.regsContentCount) firstLine = tui_line_from_reg_element_no (firstElementNo); else { /* calculate the first line from the element number which is in ** the general data content */ } if (firstLine >= 0) { int lastElementNo, lastLine; if (scrollDirection == FORWARD_SCROLL) firstLine += numToScroll; else firstLine -= numToScroll; tui_erase_data_content ((char *) NULL); tuiDeleteDataContentWindows (); tuiDisplayDataFromLine (firstLine); } return; } /* tuiVerticalDataScroll */ /***************************************** ** STATIC LOCAL FUNCTIONS ** ******************************************/