151 lines
3.1 KiB
C
151 lines
3.1 KiB
C
/* Public Domain Curses */
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#include "pdcx11.h"
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RCSID("$Id: pdcscrn.c,v 1.55 2008/07/14 04:24:52 wmcbrine Exp $")
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/* COLOR_PAIR to attribute encoding table. */
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short *xc_atrtab = (short *)NULL;
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/* close the physical screen */
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void PDC_scr_close(void)
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{
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PDC_LOG(("PDC_scr_close() - called\n"));
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}
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void PDC_scr_free(void)
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{
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XCursesExit();
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xc_atrtab = (short *)NULL;
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}
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/* open the physical screen -- allocate SP, miscellaneous intialization */
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int PDC_scr_open(int argc, char **argv)
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{
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extern bool sb_started;
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PDC_LOG(("PDC_scr_open() - called\n"));
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if ((XCursesInitscr(argc, argv) == ERR) || !SP)
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return ERR;
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SP->cursrow = SP->curscol = 0;
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SP->orig_attr = FALSE;
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SP->sb_on = sb_started;
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SP->sb_total_y = 0;
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SP->sb_viewport_y = 0;
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SP->sb_cur_y = 0;
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SP->sb_total_x = 0;
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SP->sb_viewport_x = 0;
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SP->sb_cur_x = 0;
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return OK;
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}
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/* the core of resize_term() */
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int PDC_resize_screen(int nlines, int ncols)
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{
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PDC_LOG(("PDC_resize_screen() - called. Lines: %d Cols: %d\n",
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nlines, ncols));
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if (nlines || ncols || !SP->resized)
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return ERR;
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shmdt((char *)Xcurscr);
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XCursesInstructAndWait(CURSES_RESIZE);
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if ((shmid_Xcurscr = shmget(shmkey_Xcurscr,
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SP->XcurscrSize + XCURSESSHMMIN, 0700)) < 0)
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{
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perror("Cannot allocate shared memory for curscr");
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kill(xc_otherpid, SIGKILL);
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return ERR;
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}
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XCursesLINES = SP->lines;
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XCursesCOLS = SP->cols;
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PDC_LOG(("%s:shmid_Xcurscr %d shmkey_Xcurscr %d SP->lines %d "
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"SP->cols %d\n", XCLOGMSG, shmid_Xcurscr,
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shmkey_Xcurscr, SP->lines, SP->cols));
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Xcurscr = (unsigned char*)shmat(shmid_Xcurscr, 0, 0);
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xc_atrtab = (short *)(Xcurscr + XCURSCR_ATRTAB_OFF);
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SP->resized = FALSE;
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return OK;
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}
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void PDC_reset_prog_mode(void)
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{
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PDC_LOG(("PDC_reset_prog_mode() - called.\n"));
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}
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void PDC_reset_shell_mode(void)
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{
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PDC_LOG(("PDC_reset_shell_mode() - called.\n"));
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}
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void PDC_restore_screen_mode(int i)
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{
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}
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void PDC_save_screen_mode(int i)
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{
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}
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void PDC_init_pair(short pair, short fg, short bg)
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{
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xc_atrtab[pair * 2] = fg;
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xc_atrtab[pair * 2 + 1] = bg;
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}
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int PDC_pair_content(short pair, short *fg, short *bg)
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{
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*fg = xc_atrtab[pair * 2];
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*bg = xc_atrtab[pair * 2 + 1];
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return OK;
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}
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bool PDC_can_change_color(void)
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{
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return TRUE;
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}
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int PDC_color_content(short color, short *red, short *green, short *blue)
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{
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XColor *tmp = (XColor *)(Xcurscr + XCURSCR_XCOLOR_OFF);
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tmp->pixel = color;
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XCursesInstructAndWait(CURSES_GET_COLOR);
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*red = ((double)(tmp->red) * 1000 / 65535) + 0.5;
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*green = ((double)(tmp->green) * 1000 / 65535) + 0.5;
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*blue = ((double)(tmp->blue) * 1000 / 65535) + 0.5;
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return OK;
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}
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int PDC_init_color(short color, short red, short green, short blue)
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{
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XColor *tmp = (XColor *)(Xcurscr + XCURSCR_XCOLOR_OFF);
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tmp->pixel = color;
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tmp->red = ((double)red * 65535 / 1000) + 0.5;
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tmp->green = ((double)green * 65535 / 1000) + 0.5;
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tmp->blue = ((double)blue * 65535 / 1000) + 0.5;
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XCursesInstructAndWait(CURSES_SET_COLOR);
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return OK;
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}
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