Mercurial > hg
view mcabber/src/screen.c @ 101:4f3ad00b5187
[/trunk] Changeset 115 by mikael
* Remove trailing spaces in commands
* Fix a bug in last change related to completion (didn't compile)
author | mikael |
---|---|
date | Thu, 21 Apr 2005 17:31:28 +0000 |
parents | 8fedef290c4e |
children | 2b4cc6bc5bf2 |
line wrap: on
line source
#include <stdio.h> #include <stdlib.h> #include <string.h> #include <ncurses.h> #include <panel.h> #include <time.h> #include <ctype.h> #include <locale.h> #include "screen.h" #include "hbuf.h" #include "commands.h" #include "compl.h" #include "roster.h" #include "parsecfg.h" #include "lang.h" #include "utf8.h" #include "utils.h" #include "list.h" #define window_entry(n) list_entry(n, window_entry_t, list) LIST_HEAD(window_list); typedef struct _window_entry_t { WINDOW *win; PANEL *panel; char *name; GList *hbuf; struct list_head list; } window_entry_t; static WINDOW *rosterWnd, *chatWnd, *inputWnd; static WINDOW *logWnd, *logWnd_border; static PANEL *rosterPanel, *chatPanel, *inputPanel; static PANEL *logPanel, *logPanel_border; static int maxY, maxX; static window_entry_t *currentWindow; static int chatmode; int update_roster; static char inputLine[INPUTLINE_LENGTH+1]; static char *ptr_inputline; static short int inputline_offset; static int completion_started; /* Functions */ int scr_WindowWidth(WINDOW * win) { int x, y; getmaxyx(win, y, x); return x; } void scr_clear_box(WINDOW *win, int y, int x, int height, int width, int Color) { int i, j; wattrset(win, COLOR_PAIR(Color)); for (i = 0; i < height; i++) { wmove(win, y + i, x); for (j = 0; j < width; j++) wprintw(win, " "); } } void scr_draw_box(WINDOW * win, int y, int x, int height, int width, int Color, chtype box, chtype border) { int i, j; wattrset(win, COLOR_PAIR(Color)); for (i = 0; i < height; i++) { wmove(win, y + i, x); for (j = 0; j < width; j++) if (!i && !j) waddch(win, border | ACS_ULCORNER); else if (i == height - 1 && !j) waddch(win, border | ACS_LLCORNER); else if (!i && j == width - 1) waddch(win, box | ACS_URCORNER); else if (i == height - 1 && j == width - 1) waddch(win, box | ACS_LRCORNER); else if (!i) waddch(win, border | ACS_HLINE); else if (i == height - 1) waddch(win, box | ACS_HLINE); else if (!j) waddch(win, border | ACS_VLINE); else if (j == width - 1) waddch(win, box | ACS_VLINE); else waddch(win, box | ' '); } } int FindColor(char *name) { if (!strcmp(name, "default")) return -1; if (!strcmp(name, "black")) return COLOR_BLACK; if (!strcmp(name, "red")) return COLOR_RED; if (!strcmp(name, "green")) return COLOR_GREEN; if (!strcmp(name, "yellow")) return COLOR_YELLOW; if (!strcmp(name, "blue")) return COLOR_BLUE; if (!strcmp(name, "magenta")) return COLOR_MAGENTA; if (!strcmp(name, "cyan")) return COLOR_CYAN; if (!strcmp(name, "white")) return COLOR_WHITE; return -1; } void ParseColors(void) { char *colors[11] = { "", "", "borderlines", "jidonlineselected", "jidonline", "jidofflineselected", "jidoffline", "text", NULL }; char *tmp = malloc(1024); char *color1; char *background = cfg_read("color_background"); char *backselected = cfg_read("color_backselected"); int i = 0; while (colors[i]) { sprintf(tmp, "color_%s", colors[i]); color1 = cfg_read(tmp); switch (i + 1) { case 1: init_pair(1, COLOR_BLACK, COLOR_WHITE); break; case 2: init_pair(2, COLOR_WHITE, COLOR_BLACK); break; case 3: init_pair(3, FindColor(color1), FindColor(background)); break; case 4: init_pair(4, FindColor(color1), FindColor(backselected)); break; case 5: init_pair(5, FindColor(color1), FindColor(background)); break; case 6: init_pair(6, FindColor(color1), FindColor(backselected)); break; case 7: init_pair(7, FindColor(color1), FindColor(background)); break; case 8: init_pair(8, FindColor(color1), FindColor(background)); break; } i++; } } window_entry_t *scr_CreatePanel(const char *title, int x, int y, int lines, int cols, int dont_show) { window_entry_t *tmp = calloc(1, sizeof(window_entry_t)); tmp->win = newwin(lines, cols, y, x); tmp->panel = new_panel(tmp->win); tmp->name = (char *) calloc(1, 1024); strncpy(tmp->name, title, 1024); scr_clear_box(tmp->win, 0, 0, lines, cols, COLOR_GENERAL); if ((!dont_show)) { currentWindow = tmp; } else { if (currentWindow) top_panel(currentWindow->panel); else top_panel(chatPanel); } list_add_tail(&tmp->list, &window_list); update_panels(); return tmp; } window_entry_t *scr_SearchWindow(const char *winId) { struct list_head *pos, *n; window_entry_t *search_entry = NULL; list_for_each_safe(pos, n, &window_list) { search_entry = window_entry(pos); if (search_entry->name) { if (!strcasecmp(search_entry->name, winId)) { return search_entry; } } } return NULL; } void scr_UpdateWindow(window_entry_t *win_entry) { int n; int width; char **lines; GList *hbuf_head; // We will show the last CHAT_WIN_HEIGHT lines. // Let's find out where it begins. win_entry->hbuf = g_list_last(win_entry->hbuf); hbuf_head = win_entry->hbuf; for (n=0; hbuf_head && n<(CHAT_WIN_HEIGHT-1) && g_list_previous(hbuf_head); n++) hbuf_head = g_list_previous(hbuf_head); // Get the last CHAT_WIN_HEIGHT lines. lines = hbuf_get_lines(hbuf_head, CHAT_WIN_HEIGHT); // Display these lines width = scr_WindowWidth(win_entry->win); wmove(win_entry->win, 0, 0); for (n = 0; n < CHAT_WIN_HEIGHT; n++) { int r = width; if (*(lines+2*n)) { if (**(lines+2*n)) wprintw(win_entry->win, "%s", *(lines+2*n)); // prefix else { wprintw(win_entry->win, " "); r -= 12; } wprintw(win_entry->win, "%s", *(lines+2*n+1)); // line // Calculate the number of blank characters to empty the line r -= strlen(*(lines+2*n)) + strlen(*(lines+2*n+1)); } for ( ; r>0 ; r--) { wprintw(win_entry->win, " "); } //// wclrtoeol(win_entry->win); does not work :( } g_free(lines); } void scr_ShowWindow(const char *winId) { window_entry_t *win_entry = scr_SearchWindow(winId); if (win_entry != NULL) { top_panel(win_entry->panel); currentWindow = win_entry; chatmode = TRUE; roster_setflags(winId, ROSTER_FLAG_MSG, FALSE); update_roster = TRUE; // Refresh the window entry scr_UpdateWindow(win_entry); // Finished :) update_panels(); doupdate(); } else { top_panel(chatPanel); currentWindow = win_entry; // == NULL (current window empty) } } void scr_ShowBuddyWindow(void) { const gchar *jid = CURRENT_JID; if (jid != NULL) scr_ShowWindow(jid); top_panel(inputPanel); } void scr_WriteInWindow(const char *winId, const char *text, int TimeStamp, const char *prefix, int force_show) { char *fullprefix = NULL; window_entry_t *win_entry; int dont_show = FALSE; // Prepare the prefix if (prefix || TimeStamp) { if (!prefix) prefix = ""; fullprefix = calloc(1, strlen(prefix)+16); if (TimeStamp) { time_t now = time(NULL); strftime(fullprefix, 12, "[%H:%M] ", localtime(&now)); } else { strcpy(fullprefix, " "); } strcat(fullprefix, prefix); } // Look for the window entry. win_entry = scr_SearchWindow(winId); // Do we have to really show the window? if (!chatmode) dont_show = TRUE; else if ((!force_show) && ((!currentWindow || (currentWindow != win_entry)))) dont_show = TRUE; // If the window entry doesn't exist yet, let's create it. if (win_entry == NULL) { win_entry = scr_CreatePanel(winId, ROSTER_WIDTH, 0, CHAT_WIN_HEIGHT, maxX - ROSTER_WIDTH, dont_show); } hbuf_add_line(&win_entry->hbuf, text, fullprefix, maxX - scr_WindowWidth(rosterWnd) - 14); free(fullprefix); if (!dont_show) { // Show and refresh the window top_panel(win_entry->panel); scr_UpdateWindow(win_entry); update_panels(); doupdate(); } else { roster_setflags(winId, ROSTER_FLAG_MSG, TRUE); update_roster = TRUE; } } void scr_InitCurses(void) { initscr(); noecho(); raw(); halfdelay(5); start_color(); use_default_colors(); ParseColors(); getmaxyx(stdscr, maxY, maxX); inputLine[0] = 0; ptr_inputline = inputLine; setlocale(LC_CTYPE, ""); return; } void scr_TerminateCurses(void) { clear(); refresh(); endwin(); return; } void scr_DrawMainWindow(void) { int l; /* Draw main panels */ rosterWnd = newwin(CHAT_WIN_HEIGHT, ROSTER_WIDTH, 0, 0); rosterPanel = new_panel(rosterWnd); scr_clear_box(rosterWnd, 0, 0, CHAT_WIN_HEIGHT, ROSTER_WIDTH, COLOR_GENERAL); for (l=0 ; l < CHAT_WIN_HEIGHT ; l++) mvwaddch(rosterWnd, l, ROSTER_WIDTH-1, ACS_VLINE); chatWnd = newwin(CHAT_WIN_HEIGHT, maxX - ROSTER_WIDTH, 0, ROSTER_WIDTH); chatPanel = new_panel(chatWnd); scr_clear_box(chatWnd, 0, 0, CHAT_WIN_HEIGHT, maxX - ROSTER_WIDTH, COLOR_GENERAL); scrollok(chatWnd, TRUE); mvwprintw(chatWnd, 0, 0, "This is the status window"); logWnd_border = newwin(LOG_WIN_HEIGHT, maxX, CHAT_WIN_HEIGHT, 0); logPanel_border = new_panel(logWnd_border); scr_draw_box(logWnd_border, 0, 0, LOG_WIN_HEIGHT, maxX, COLOR_GENERAL, 0, 0); logWnd = derwin(logWnd_border, LOG_WIN_HEIGHT-2, maxX-2, 1, 1); logPanel = new_panel(logWnd); wbkgd(logWnd, COLOR_PAIR(COLOR_GENERAL)); scrollok(logWnd, TRUE); inputWnd = newwin(1, maxX, maxY-1, 0); inputPanel = new_panel(inputWnd); scr_DrawRoster(); update_panels(); doupdate(); return; } void scr_DrawRoster(void) { static guint offset = 0; char name[ROSTER_WIDTH]; int maxx, maxy; GList *buddy; int i, n; int rOffset; getmaxyx(rosterWnd, maxy, maxx); maxx --; // last char is for vertical border name[ROSTER_WIDTH-7] = 0; // cleanup of roster window wattrset(rosterWnd, COLOR_PAIR(COLOR_GENERAL)); for (i = 0; i < maxy; i++) { mvwprintw(rosterWnd, i, 0, ""); for (n = 0; n < maxx; n++) waddch(rosterWnd, ' '); } // Leave now if buddylist is empty if (!buddylist) { offset = 0; return; } // Update offset if necessary i = g_list_position(buddylist, current_buddy); if (i == -1) { // This is bad scr_LogPrint("Doh! Can't find current selected buddy!!"); return; } else if (i < offset) { offset = i; } else if (i+1 > offset + maxy) { offset = i + 1 - maxy; } buddy = buddylist; rOffset = offset; for (i=0; i<maxy && buddy; buddy = g_list_next(buddy)) { char status = '?'; char pending = ' '; enum imstatus budstate; if (rOffset > 0) { rOffset--; continue; } if (buddy_getflags(BUDDATA(buddy)) & ROSTER_FLAG_MSG) { pending = '#'; } budstate = buddy_getstatus(BUDDATA(buddy)); if (budstate >= 0 && budstate < imstatus_size) status = imstatus2char[budstate]; if (buddy == current_buddy) { wattrset(rosterWnd, COLOR_PAIR(COLOR_BD_DESSEL)); // The 3 following lines aim to color the whole line wmove(rosterWnd, i, 0); for (n = 0; n < maxx; n++) waddch(rosterWnd, ' '); } else { wattrset(rosterWnd, COLOR_PAIR(COLOR_BD_DES)); } strncpy(name, buddy_getname(BUDDATA(buddy)), ROSTER_WIDTH-7); // TODO: status is meaningless for groups: if (buddy_gettype(BUDDATA(buddy)) & ROSTER_TYPE_GROUP) status='G'; mvwprintw(rosterWnd, i, 0, " %c[%c] %s", pending, status, name); i++; } update_panels(); doupdate(); update_roster = FALSE; } void scr_WriteMessage(const char *jid, const char *text, char *prefix) { scr_WriteInWindow(jid, text, TRUE, prefix, FALSE); } void scr_WriteIncomingMessage(const char *jidfrom, const char *text) { char *buffer = utf8_decode(text); // FIXME expand tabs / filter out special chars... scr_WriteMessage(jidfrom, buffer, "<== "); free(buffer); top_panel(inputPanel); update_panels(); doupdate(); } void scr_WriteOutgoingMessage(const char *jidto, const char *text) { scr_WriteMessage(jidto, text, "--> "); scr_ShowWindow(jidto); top_panel(inputPanel); } int scr_Getch(void) { int ch; // keypad(inputWnd, TRUE); ch = wgetch(inputWnd); return ch; } WINDOW *scr_GetRosterWindow(void) { return rosterWnd; } WINDOW *scr_GetStatusWindow(void) { return chatWnd; } WINDOW *scr_GetInputWindow(void) { return inputWnd; } void scr_RosterUp() { if (current_buddy) { if (g_list_previous(current_buddy)) { current_buddy = g_list_previous(current_buddy); scr_DrawRoster(); } } // XXX We should rebuild the buddylist but perhaps not everytime? } void scr_RosterDown() { if (current_buddy) { if (g_list_next(current_buddy)) { current_buddy = g_list_next(current_buddy); scr_DrawRoster(); } } // XXX We should rebuild the buddylist but perhaps not everytime? } // scr_LogPrint(...) // Display a message in the log window. void scr_LogPrint(const char *fmt, ...) { time_t timestamp; char *buffer; va_list ap; buffer = (char *) calloc(1, 4096); timestamp = time(NULL); strftime(buffer, 64, "[%H:%M:%S] ", localtime(×tamp)); wprintw(logWnd, "\n%s", buffer); va_start(ap, fmt); vsnprintf(buffer, 4096, fmt, ap); va_end(ap); wprintw(logWnd, "%s", buffer); free(buffer); update_panels(); doupdate(); } // which_row() // Tells which row our cursor is in, in the command line. // -1 -> normal text // 0 -> command // 1 -> parameter 1 (etc.) int which_row(void) { int row = -1; char *p; int quote = FALSE; // Not a command? if ((ptr_inputline == inputLine) || (inputLine[0] != '/')) return -1; // This is a command row = 0; for (p = inputLine ; p < ptr_inputline ; p++) { if (quote) { if (*p == '"' && *(p-1) != '\\') quote = FALSE; continue; } if (*p == '"' && *(p-1) != '\\') { quote = TRUE; } else if (*p == ' ' && *(p-1) != ' ') row++; } return row; } void scr_insert_text(const char *text) { char tmpLine[INPUTLINE_LENGTH+1]; int len = strlen(text); // Check the line isn't too long if (strlen(inputLine) + len >= INPUTLINE_LENGTH) { scr_LogPrint("Cannot insert text, line too long."); return; } strcpy(tmpLine, ptr_inputline); strcpy(ptr_inputline, text); ptr_inputline += len; strcpy(ptr_inputline, tmpLine); } void scr_handle_tab(void) { int row; row = which_row(); if (row == -1) return; // No completion if no leading slash if (row == 0) { // Command completion const char *cchar; if (!completion_started) { GSList *list = compl_get_category_list(COMPL_CMD); if (list) { char *prefix = g_strndup(&inputLine[1], ptr_inputline-inputLine-1); // Init completion new_completion(prefix, list); g_free(prefix); // Now complete cchar = complete(); if (cchar) scr_insert_text(cchar); completion_started = TRUE; } } else { char *c; guint back = cancel_completion(); // Remove $back chars ptr_inputline -= back; c = ptr_inputline; for ( ; *c ; c++) *c = *(c+back); // Now complete again cchar = complete(); if (cchar) scr_insert_text(cchar); } return; } // Other completion, depending on the command scr_LogPrint("I'm unable to complete that yet"); } void scr_cancel_current_completion(void) { char *c; guint back = cancel_completion(); // Remove $back chars ptr_inputline -= back; c = ptr_inputline; for ( ; *c ; c++) *c = *(c+back); } void scr_end_current_completion(void) { done_completion(); completion_started = FALSE; } // check_offset(int direction) // Check inputline_offset value, and make sure the cursor is inside the // screen. inline void check_offset(int direction) { // Left side if (inputline_offset && direction <= 0) { while (ptr_inputline <= (char*)&inputLine + inputline_offset) { if (inputline_offset) { inputline_offset -= 5; if (inputline_offset < 0) inputline_offset = 0; } } } // Right side if (direction >= 0) { while (ptr_inputline >= inputline_offset + (char*)&inputLine + maxX) inputline_offset += 5; } } // process_key(key) // Handle the pressed key, in the command line (bottom). int process_key(int key) { if (isprint(key)) { char tmpLine[INPUTLINE_LENGTH+1]; // Check the line isn't too long if (strlen(inputLine) >= INPUTLINE_LENGTH) return 0; // Insert char strcpy(tmpLine, ptr_inputline); *ptr_inputline++ = key; strcpy(ptr_inputline, tmpLine); check_offset(1); } else { switch(key) { case KEY_BACKSPACE: if (ptr_inputline != (char*)&inputLine) { char *c = --ptr_inputline; for ( ; *c ; c++) *c = *(c+1); check_offset(-1); } break; case KEY_DC: if (*ptr_inputline) strcpy(ptr_inputline, ptr_inputline+1); break; case KEY_LEFT: if (ptr_inputline != (char*)&inputLine) { ptr_inputline--; check_offset(-1); } break; case KEY_RIGHT: if (*ptr_inputline) ptr_inputline++; check_offset(1); break; case 7: // Ctrl-g scr_cancel_current_completion(); scr_end_current_completion(); check_offset(-1); break; case 9: // Tab scr_handle_tab(); check_offset(0); break; case '\n': // Enter chatmode = TRUE; if (inputLine[0] == 0) { scr_ShowBuddyWindow(); break; } if (process_line(inputLine)) return 255; ptr_inputline = inputLine; *ptr_inputline = 0; inputline_offset = 0; break; case KEY_UP: scr_RosterUp(); if (chatmode) scr_ShowBuddyWindow(); break; case KEY_DOWN: scr_RosterDown(); if (chatmode) scr_ShowBuddyWindow(); break; case KEY_PPAGE: scr_LogPrint("PageUp??"); break; case KEY_NPAGE: scr_LogPrint("PageDown??"); break; case KEY_HOME: case 1: ptr_inputline = inputLine; inputline_offset = 0; break; case KEY_END: case 5: for (; *ptr_inputline; ptr_inputline++) ; check_offset(1); break; case 21: // Ctrl-u strcpy(inputLine, ptr_inputline); ptr_inputline = inputLine; inputline_offset = 0; break; case KEY_EOL: case 11: // Ctrl-k *ptr_inputline = 0; break; case 16: // Ctrl-p scr_LogPrint("Ctrl-p not yet implemented"); break; case 14: // Ctrl-n scr_LogPrint("Ctrl-n not yet implemented"); break; case 27: // ESC currentWindow = NULL; chatmode = FALSE; top_panel(chatPanel); top_panel(inputPanel); break; default: scr_LogPrint("Unkown key=%d", key); } } if (completion_started && key != 9) scr_end_current_completion(); mvwprintw(inputWnd, 0,0, "%s", inputLine + inputline_offset); wclrtoeol(inputWnd); if (*ptr_inputline) { wmove(inputWnd, 0, ptr_inputline - (char*)&inputLine - inputline_offset); } update_panels(); doupdate(); return 0; }