comparison: pdcurses/deleteln.c
pdcurses/deleteln.c
- changeset 97
- 2d43f05b284c
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| 96:5314ebdcb38d | 97:2d43f05b284c |
|---|---|
| 1 /* Public Domain Curses */ | |
| 2 | |
| 3 #include <curspriv.h> | |
| 4 | |
| 5 RCSID("$Id: deleteln.c,v 1.35 2008/07/13 16:08:18 wmcbrine Exp $") | |
| 6 | |
| 7 /*man-start************************************************************** | |
| 8 | |
| 9 Name: deleteln | |
| 10 | |
| 11 Synopsis: | |
| 12 int deleteln(void); | |
| 13 int wdeleteln(WINDOW *win); | |
| 14 int insdelln(int n); | |
| 15 int winsdelln(WINDOW *win, int n); | |
| 16 int insertln(void); | |
| 17 int winsertln(WINDOW *win); | |
| 18 | |
| 19 int mvdeleteln(int y, int x); | |
| 20 int mvwdeleteln(WINDOW *win, int y, int x); | |
| 21 int mvinsertln(int y, int x); | |
| 22 int mvwinsertln(WINDOW *win, int y, int x); | |
| 23 | |
| 24 Description: | |
| 25 With the deleteln() and wdeleteln() functions, the line under | |
| 26 the cursor in the window is deleted. All lines below the | |
| 27 current line are moved up one line. The bottom line of the | |
| 28 window is cleared. The cursor position does not change. | |
| 29 | |
| 30 With the insertln() and winsertn() functions, a blank line is | |
| 31 inserted above the current line and the bottom line is lost. | |
| 32 | |
| 33 mvdeleteln(), mvwdeleteln(), mvinsertln() and mvwinsertln() | |
| 34 allow moving the cursor and inserting/deleting in one call. | |
| 35 | |
| 36 Return Value: | |
| 37 All functions return OK on success and ERR on error. | |
| 38 | |
| 39 Portability X/Open BSD SYS V | |
| 40 deleteln Y Y Y | |
| 41 wdeleteln Y Y Y | |
| 42 mvdeleteln - - - | |
| 43 mvwdeleteln - - - | |
| 44 insdelln Y - 4.0 | |
| 45 winsdelln Y - 4.0 | |
| 46 insertln Y Y Y | |
| 47 winsertln Y Y Y | |
| 48 mvinsertln - - - | |
| 49 mvwinsertln - - - | |
| 50 | |
| 51 **man-end****************************************************************/ | |
| 52 | |
| 53 int wdeleteln(WINDOW *win) | |
| 54 { | |
| 55 chtype blank, *temp, *ptr; | |
| 56 int y; | |
| 57 | |
| 58 PDC_LOG(("wdeleteln() - called\n")); | |
| 59 | |
| 60 if (!win) | |
| 61 return ERR; | |
| 62 | |
| 63 /* wrs (4/10/93) account for window background */ | |
| 64 | |
| 65 blank = win->_bkgd; | |
| 66 | |
| 67 temp = win->_y[win->_cury]; | |
| 68 | |
| 69 for (y = win->_cury; y < win->_bmarg; y++) | |
| 70 { | |
| 71 win->_y[y] = win->_y[y + 1]; | |
| 72 win->_firstch[y] = 0; | |
| 73 win->_lastch[y] = win->_maxx - 1; | |
| 74 } | |
| 75 | |
| 76 for (ptr = temp; (ptr - temp < win->_maxx); ptr++) | |
| 77 *ptr = blank; /* make a blank line */ | |
| 78 | |
| 79 if (win->_cury <= win->_bmarg) | |
| 80 { | |
| 81 win->_firstch[win->_bmarg] = 0; | |
| 82 win->_lastch[win->_bmarg] = win->_maxx - 1; | |
| 83 win->_y[win->_bmarg] = temp; | |
| 84 } | |
| 85 | |
| 86 return OK; | |
| 87 } | |
| 88 | |
| 89 int deleteln(void) | |
| 90 { | |
| 91 PDC_LOG(("deleteln() - called\n")); | |
| 92 | |
| 93 return wdeleteln(stdscr); | |
| 94 } | |
| 95 | |
| 96 int mvdeleteln(int y, int x) | |
| 97 { | |
| 98 PDC_LOG(("mvdeleteln() - called\n")); | |
| 99 | |
| 100 if (move(y, x) == ERR) | |
| 101 return ERR; | |
| 102 | |
| 103 return wdeleteln(stdscr); | |
| 104 } | |
| 105 | |
| 106 int mvwdeleteln(WINDOW *win, int y, int x) | |
| 107 { | |
| 108 PDC_LOG(("mvwdeleteln() - called\n")); | |
| 109 | |
| 110 if (wmove(win, y, x) == ERR) | |
| 111 return ERR; | |
| 112 | |
| 113 return wdeleteln(win); | |
| 114 } | |
| 115 | |
| 116 int winsdelln(WINDOW *win, int n) | |
| 117 { | |
| 118 int i; | |
| 119 | |
| 120 PDC_LOG(("winsdelln() - called\n")); | |
| 121 | |
| 122 if (!win) | |
| 123 return ERR; | |
| 124 | |
| 125 if (n > 0) | |
| 126 { | |
| 127 for (i = 0; i < n; i++) | |
| 128 if (winsertln(win) == ERR) | |
| 129 return ERR; | |
| 130 } | |
| 131 else if (n < 0) | |
| 132 { | |
| 133 n = -n; | |
| 134 for (i = 0; i < n; i++) | |
| 135 if (wdeleteln(win) == ERR) | |
| 136 return ERR; | |
| 137 } | |
| 138 | |
| 139 return OK; | |
| 140 } | |
| 141 | |
| 142 int insdelln(int n) | |
| 143 { | |
| 144 PDC_LOG(("insdelln() - called\n")); | |
| 145 | |
| 146 return winsdelln(stdscr, n); | |
| 147 } | |
| 148 | |
| 149 int winsertln(WINDOW *win) | |
| 150 { | |
| 151 chtype blank, *temp, *end; | |
| 152 int y; | |
| 153 | |
| 154 PDC_LOG(("winsertln() - called\n")); | |
| 155 | |
| 156 if (!win) | |
| 157 return ERR; | |
| 158 | |
| 159 /* wrs (4/10/93) account for window background */ | |
| 160 | |
| 161 blank = win->_bkgd; | |
| 162 | |
| 163 temp = win->_y[win->_maxy - 1]; | |
| 164 | |
| 165 for (y = win->_maxy - 1; y > win->_cury; y--) | |
| 166 { | |
| 167 win->_y[y] = win->_y[y - 1]; | |
| 168 win->_firstch[y] = 0; | |
| 169 win->_lastch[y] = win->_maxx - 1; | |
| 170 } | |
| 171 | |
| 172 win->_y[win->_cury] = temp; | |
| 173 | |
| 174 for (end = &temp[win->_maxx - 1]; temp <= end; temp++) | |
| 175 *temp = blank; | |
| 176 | |
| 177 win->_firstch[win->_cury] = 0; | |
| 178 win->_lastch[win->_cury] = win->_maxx - 1; | |
| 179 | |
| 180 return OK; | |
| 181 } | |
| 182 | |
| 183 int insertln(void) | |
| 184 { | |
| 185 PDC_LOG(("insertln() - called\n")); | |
| 186 | |
| 187 return winsertln(stdscr); | |
| 188 } | |
| 189 | |
| 190 int mvinsertln(int y, int x) | |
| 191 { | |
| 192 PDC_LOG(("mvinsertln() - called\n")); | |
| 193 | |
| 194 if (move(y, x) == ERR) | |
| 195 return ERR; | |
| 196 | |
| 197 return winsertln(stdscr); | |
| 198 } | |
| 199 | |
| 200 int mvwinsertln(WINDOW *win, int y, int x) | |
| 201 { | |
| 202 PDC_LOG(("mvwinsertln() - called\n")); | |
| 203 | |
| 204 if (wmove(win, y, x) == ERR) | |
| 205 return ERR; | |
| 206 | |
| 207 return winsertln(win); | |
| 208 } |
