Annotation of src/usr.bin/tmux/grid-view.c, Revision 1.1
1.1 ! nicm 1: /* $OpenBSD$ */
! 2:
! 3: /*
! 4: * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
! 5: *
! 6: * Permission to use, copy, modify, and distribute this software for any
! 7: * purpose with or without fee is hereby granted, provided that the above
! 8: * copyright notice and this permission notice appear in all copies.
! 9: *
! 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
! 15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
! 16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 17: */
! 18:
! 19: #include <sys/types.h>
! 20:
! 21: #include <string.h>
! 22:
! 23: #include "tmux.h"
! 24:
! 25: /*
! 26: * Grid view functions. These work using coordinates relative to the visible
! 27: * screen area.
! 28: */
! 29:
! 30: #define grid_view_x(gd, x) (x)
! 31: #define grid_view_y(gd, y) ((gd)->hsize + (y))
! 32:
! 33: /* Get cell for reading. */
! 34: const struct grid_cell *
! 35: grid_view_peek_cell(struct grid *gd, u_int px, u_int py)
! 36: {
! 37: return (grid_peek_cell(gd, grid_view_x(gd, px), grid_view_y(gd, py)));
! 38: }
! 39:
! 40: /* Get cell for writing. */
! 41: struct grid_cell *
! 42: grid_view_get_cell(struct grid *gd, u_int px, u_int py)
! 43: {
! 44: return (grid_get_cell(gd, grid_view_x(gd, px), grid_view_y(gd, py)));
! 45: }
! 46:
! 47: /* Set cell. */
! 48: void
! 49: grid_view_set_cell(
! 50: struct grid *gd, u_int px, u_int py, const struct grid_cell *gc)
! 51: {
! 52: grid_set_cell(gd, grid_view_x(gd, px), grid_view_y(gd, py), gc);
! 53: }
! 54:
! 55: /* Get UTF-8 for reading. */
! 56: const struct grid_utf8 *
! 57: grid_view_peek_utf8(struct grid *gd, u_int px, u_int py)
! 58: {
! 59: return (grid_peek_utf8(gd, grid_view_x(gd, px), grid_view_y(gd, py)));
! 60: }
! 61:
! 62: /* Get UTF-8 for writing. */
! 63: struct grid_utf8 *
! 64: grid_view_get_utf8(struct grid *gd, u_int px, u_int py)
! 65: {
! 66: return (grid_get_utf8(gd, grid_view_x(gd, px), grid_view_y(gd, py)));
! 67: }
! 68:
! 69: /* Set UTF-8. */
! 70: void
! 71: grid_view_set_utf8(
! 72: struct grid *gd, u_int px, u_int py, const struct grid_utf8 *gu)
! 73: {
! 74: grid_set_utf8(gd, grid_view_x(gd, px), grid_view_y(gd, py), gu);
! 75: }
! 76:
! 77: /* Clear area. */
! 78: void
! 79: grid_view_clear(struct grid *gd, u_int px, u_int py, u_int nx, u_int ny)
! 80: {
! 81: GRID_DEBUG(gd, "px=%u, py=%u, nx=%u, ny=%u", px, py, nx, ny);
! 82:
! 83: px = grid_view_x(gd, px);
! 84: py = grid_view_y(gd, py);
! 85:
! 86: grid_clear(gd, px, py, nx, ny);
! 87: }
! 88:
! 89: /* Scroll region up. */
! 90: void
! 91: grid_view_scroll_region_up(struct grid *gd, u_int rupper, u_int rlower)
! 92: {
! 93: GRID_DEBUG(gd, "rupper=%u, rlower=%u", rupper, rlower);
! 94:
! 95: if (rupper == 0 && rlower == gd->sy - 1) {
! 96: grid_scroll_line(gd);
! 97: return;
! 98: }
! 99:
! 100: rupper = grid_view_y(gd, rupper);
! 101: rlower = grid_view_y(gd, rlower);
! 102:
! 103: grid_move_lines(gd, rupper, rupper + 1, rlower - rupper);
! 104: }
! 105:
! 106: /* Scroll region down. */
! 107: void
! 108: grid_view_scroll_region_down(struct grid *gd, u_int rupper, u_int rlower)
! 109: {
! 110: GRID_DEBUG(gd, "rupper=%u, rlower=%u", rupper, rlower);
! 111:
! 112: rupper = grid_view_y(gd, rupper);
! 113: rlower = grid_view_y(gd, rlower);
! 114:
! 115: grid_move_lines(gd, rupper + 1, rupper, rlower - rupper);
! 116: }
! 117:
! 118: /* Insert lines. */
! 119: void
! 120: grid_view_insert_lines(struct grid *gd, u_int py, u_int ny)
! 121: {
! 122: u_int sy;
! 123:
! 124: GRID_DEBUG(gd, "py=%u, ny=%u", py, ny);
! 125:
! 126: py = grid_view_y(gd, py);
! 127:
! 128: sy = grid_view_y(gd, gd->sy);
! 129:
! 130: grid_move_lines(gd, py + ny, py, sy - py - ny);
! 131: }
! 132:
! 133: /* Insert lines in region. */
! 134: void
! 135: grid_view_insert_lines_region(
! 136: struct grid *gd, unused u_int rupper, u_int rlower, u_int py, u_int ny)
! 137: {
! 138: GRID_DEBUG(
! 139: gd, "rupper=%u, rlower=%u, py=%u, ny=%u", rupper, rlower, py, ny);
! 140:
! 141: rlower = grid_view_y(gd, rlower);
! 142:
! 143: py = grid_view_y(gd, py);
! 144:
! 145: grid_move_lines(gd, py + ny, py, (rlower + 1) - py - ny);
! 146: }
! 147:
! 148: /* Delete lines. */
! 149: void
! 150: grid_view_delete_lines(struct grid *gd, u_int py, u_int ny)
! 151: {
! 152: u_int sy;
! 153:
! 154: GRID_DEBUG(gd, "py=%u, ny=%u", py, ny);
! 155:
! 156: py = grid_view_y(gd, py);
! 157:
! 158: sy = grid_view_y(gd, gd->sy);
! 159:
! 160: grid_move_lines(gd, py, py + ny, sy - py - ny);
! 161: }
! 162:
! 163: /* Delete lines inside scroll region. */
! 164: void
! 165: grid_view_delete_lines_region(
! 166: struct grid *gd, unused u_int rupper, u_int rlower, u_int py, u_int ny)
! 167: {
! 168: GRID_DEBUG(
! 169: gd, "rupper=%u, rlower=%u, py=%u, ny=%u", rupper, rlower, py, ny);
! 170:
! 171: rlower = grid_view_y(gd, rlower);
! 172:
! 173: py = grid_view_y(gd, py);
! 174:
! 175: grid_move_lines(gd, py, py + ny, (rlower + 1) - py - ny);
! 176: }
! 177:
! 178: /* Insert characters. */
! 179: void
! 180: grid_view_insert_cells(struct grid *gd, u_int px, u_int py, u_int nx)
! 181: {
! 182: u_int sx;
! 183:
! 184: GRID_DEBUG(gd, "px=%u, py=%u, nx=%u", px, py, nx);
! 185:
! 186: px = grid_view_x(gd, px);
! 187: py = grid_view_y(gd, py);
! 188:
! 189: sx = grid_view_x(gd, gd->sx);
! 190:
! 191: if (px == sx - 1)
! 192: grid_clear(gd, px, py, 1, 1);
! 193: else
! 194: grid_move_cells(gd, px + nx, px, py, (sx - 1) - (px + nx));
! 195: }
! 196:
! 197: /* Delete characters. */
! 198: void
! 199: grid_view_delete_cells(struct grid *gd, u_int px, u_int py, u_int nx)
! 200: {
! 201: u_int sx;
! 202:
! 203: GRID_DEBUG(gd, "px=%u, py=%u, nx=%u", px, py, nx);
! 204:
! 205: px = grid_view_x(gd, px);
! 206: py = grid_view_y(gd, py);
! 207:
! 208: sx = grid_view_x(gd, gd->sx);
! 209:
! 210: grid_move_cells(gd, px, px + nx, py, (sx - 1) - (px + nx));
! 211: }
![[BACK]](/icons/back.gif){kind=icon}
Return to grid-view.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / tmux