diff options
Diffstat (limited to 'gdb/tui/tuiCommand.c')
| -rw-r--r-- | gdb/tui/tuiCommand.c | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/gdb/tui/tuiCommand.c b/gdb/tui/tuiCommand.c new file mode 100644 index 00000000000..454dc62e857 --- /dev/null +++ b/gdb/tui/tuiCommand.c @@ -0,0 +1,215 @@ +/* +** tuiCommand.c +** This module contains functions specific to command window processing. +*/ + + +#include "defs.h" +#include "tui.h" +#include "tuiData.h" +#include "tuiWin.h" +#include "tuiIO.h" + + +/***************************************** +** STATIC LOCAL FUNCTIONS FORWARD DECLS ** +******************************************/ + + + +/***************************************** +** PUBLIC FUNCTIONS ** +******************************************/ + +/* +** tuiDispatchCtrlChar(). +** Dispatch the correct tui function based upon the control character. +*/ +unsigned int +#ifdef __STDC__ +tuiDispatchCtrlChar ( + unsigned int ch) +#else +tuiDispatchCtrlChar (ch) + unsigned int ch; +#endif +{ + TuiWinInfoPtr winInfo = tuiWinWithFocus (); + + /* + ** If the command window has the logical focus, or no-one does + ** assume it is the command window; in this case, pass the + ** character on through and do nothing here. + */ + if (winInfo == (TuiWinInfoPtr) NULL || winInfo == cmdWin) + return ch; + else + { + unsigned int c = 0, chCopy = ch; + register int i; + char *term; + + /* If this is an xterm, page next/prev keys aren't returned + ** by keypad as a single char, so we must handle them here. + ** Seems like a bug in the curses library? + */ + term = (char *) getenv ("TERM"); + for (i = 0; (term && term[i]); i++) + term[i] = toupper (term[i]); + if ((strcmp (term, "XTERM") == 0) && m_isStartSequence (ch)) + { + unsigned int pageCh = 0, tmpChar; + + tmpChar = 0; + while (!m_isEndSequence (tmpChar)) + { + tmpChar = (int) wgetch (cmdWin->generic.handle); + if (!tmpChar) + break; + if (tmpChar == 53) + pageCh = KEY_PPAGE; + else if (tmpChar == 54) + pageCh = KEY_NPAGE; + } + chCopy = pageCh; + } + + switch (chCopy) + { + case KEY_NPAGE: + tuiScrollForward (winInfo, 0); + break; + case KEY_PPAGE: + tuiScrollBackward (winInfo, 0); + break; + case KEY_DOWN: + case KEY_SF: + tuiScrollForward (winInfo, 1); + break; + case KEY_UP: + case KEY_SR: + tuiScrollBackward (winInfo, 1); + break; + case KEY_RIGHT: + tuiScrollLeft (winInfo, 1); + break; + case KEY_LEFT: + tuiScrollRight (winInfo, 1); + break; + case '\f': + tuiRefreshAll (); + break; + default: + c = chCopy; + break; + } + return c; + } +} /* tuiDispatchCtrlChar */ + + +/* +** tuiIncrCommandCharCountBy() +** Increment the current character count in the command window, +** checking for overflow. Returns the new value of the char count. +*/ +int +#ifdef __STDC__ +tuiIncrCommandCharCountBy ( + int count) +#else +tuiIncrCommandCharCountBy (count) + int count; +#endif +{ + if (tui_version) + { + if ((count + cmdWin->detail.commandInfo.curch) >= cmdWin->generic.width) + cmdWin->detail.commandInfo.curch = + (count + cmdWin->detail.commandInfo.curch) - cmdWin->generic.width; + else + cmdWin->detail.commandInfo.curch += count; + } + + return cmdWin->detail.commandInfo.curch; +} /* tuiIncrCommandCharCountBy */ + + +/* +** tuiDecrCommandCharCountBy() +** Decrement the current character count in the command window, +** checking for overflow. Returns the new value of the char count. +*/ +int +#ifdef __STDC__ +tuiDecrCommandCharCountBy ( + int count) +#else +tuiDecrCommandCharCountBy (count) + int count; +#endif +{ + if (tui_version) + { + if ((cmdWin->detail.commandInfo.curch - count) < 0) + cmdWin->detail.commandInfo.curch = + cmdWin->generic.width + (cmdWin->detail.commandInfo.curch - count); + else + cmdWin->detail.commandInfo.curch -= count; + } + + return cmdWin->detail.commandInfo.curch; +} /* tuiDecrCommandCharCountBy */ + + +/* +** tuiSetCommandCharCountTo() +** Set the character count to count. +*/ +int +#ifdef __STDC__ +tuiSetCommandCharCountTo ( + int count) +#else +tuiSetCommandCharCountTo (count) + int count; +#endif +{ + if (tui_version) + { + if (count > cmdWin->generic.width - 1) + { + cmdWin->detail.commandInfo.curch = 0; + tuiIncrCommandCharCountBy (count); + } + else + cmdWin->detail.commandInfo.curch -= count; + } + + return cmdWin->detail.commandInfo.curch; +} /* tuiSetCommandCharCountTo */ + + + +/* +** tuiClearCommandCharCount() +** Clear the character count to count. +*/ +int +#ifdef __STDC__ +tuiClearCommandCharCount (void) +#else +tuiClearCommandCharCount () +#endif +{ + if (tui_version) + cmdWin->detail.commandInfo.curch = 0; + + return cmdWin->detail.commandInfo.curch; +} /* tuiClearCommandCharCount */ + + + +/***************************************** +** STATIC LOCAL FUNCTIONS ** +******************************************/ |