X-Git-Url: https://plomlompom.com/repos/feed.xml?a=blobdiff_plain;f=windows.c;h=b003fd71045ca19eff58c0ea26a9c70c93052e08;hb=3d455d7de0778ee27e234412c9b0ad253cf8a4ed;hp=26267aa69fae6f8a89c9e512d7d6364ee8ca2df4;hpb=f2ab9677cc821999a91150126bcaa50ae8c7d927;p=plomrogue diff --git a/windows.c b/windows.c index 26267aa..b003fd7 100644 --- a/windows.c +++ b/windows.c @@ -7,6 +7,7 @@ struct WinMeta init_win_meta (WINDOW * screen) { // Create and populate WinMeta struct with sane default values. struct WinMeta win_meta; win_meta.height = screen->_maxy + 1; + win_meta.width = screen->_maxx + 1; win_meta.chain_start = 0; win_meta.chain_end = 0; return win_meta; } @@ -19,7 +20,7 @@ struct Win init_window (struct WinMeta * win_meta, char * title) { win.curses_win = 0; win.title = title; win.width = 20; - win.height = win_meta->height; + win.height = win_meta->height - 1; return win; } void append_window (struct WinMeta * win_meta, struct Win * win) { @@ -31,8 +32,7 @@ void append_window (struct WinMeta * win_meta, struct Win * win) { win_meta->active = win; win_meta->chain_start = win; } win_meta->chain_end = win; - update_windows(win_meta, win); - draw_all_windows(win_meta); } + update_windows(win_meta, win); } void suspend_window (struct WinMeta * win_meta, struct Win * win) { // Destroy win, suspend from window chain. Update geometry of following rows, as well as activity selection. @@ -51,133 +51,137 @@ void suspend_window (struct WinMeta * win_meta, struct Win * win) { if (win_meta->active == win) // ... or else to the previous element. win_meta->active = win->prev; } win->prev = 0; - win->next = 0; - if (0 != win_meta->chain_start) - draw_all_windows(win_meta); } + win->next = 0; } void place_window (struct WinMeta * win_meta, struct Win * win) { // Based on position and sizes of previous window, find fitting place for current window. win->start_x = 0; // if window is first in chain, place it on top-left corner - win->start_y = 0; + win->start_y = 1; if (0 != win->prev) { - win->start_x = win->prev->start_x + win->prev->width; // next best default: open new window column with it - if (win->prev->height < win_meta->height) { // ... unless the previous window does not fill a whole column - struct Win * last_ceiling; - last_ceiling = win->prev; - while (last_ceiling->start_y != 0 // determine last window serving as a - && (last_ceiling->prev->start_y == last_ceiling->start_y // ceiling to other windows or filling - || last_ceiling->prev->width > last_ceiling->width)) // the whole last column's width - last_ceiling = last_ceiling->prev; - if (win->prev == last_ceiling) { - if (win->width <= win->prev->width - && win->prev->start_y + win->prev->height + win->height <= win_meta->height) { - win->start_x = win->prev->start_x; // if prev window is last ceiling, try to - win->start_y = win->prev->start_y + win->prev->height; } } // fit window below it; else: use default - else { - int remaining_width = last_ceiling->width; // calculate free width remaining in last row of last - struct Win * win_p = last_ceiling->next; // window column - while (win != win_p) { - remaining_width = remaining_width - win_p->width; - win_p = win_p->next; } - if (win->width <= remaining_width && win->height <= win->prev->height) { // if enough space left in - win->start_y = win->prev->start_y; // last column, place window - win->start_x = win->prev->start_x + win->prev->width; } // here - else if (win->width <= last_ceiling->width - && win->height + win->prev->height + win->prev->start_y <= win_meta->height ) { - win->start_y = last_ceiling->next->start_y + last_ceiling->next->height; // else, try to put it - win->start_x = last_ceiling->start_x; } // below - else // else, put it next to max - win->start_x = last_ceiling->width + last_ceiling->start_x; } } } } // width of the last last column + if (win->prev->height == win_meta->height - 1) // if prev window fills entire column, place win + win->start_x = win->prev->start_x + win->prev->width + 1; // in new column next to it + else { + struct Win * first_ceiling = win->prev; // first_ceiling determines column with; + while (first_ceiling->start_y != 1) // default: place window in new column + first_ceiling = first_ceiling->prev; // next to it + win->start_x = first_ceiling->start_x + first_ceiling->width + 1; + if (first_ceiling->width >= win->width) { // only place windows in prev column that fit into its width + struct Win * win_p = first_ceiling; + struct Win * lastrow_startwin = win_p; + while (win_p != win) { + if (win_p->start_x == first_ceiling->start_x) + lastrow_startwin = win_p; // try to fit window at end of last + win_p = win_p ->next; } // row of windows inside column; if + int lastcol_start = win->prev->start_x + win->prev->width + 1; // failure, try opening new row below + if (win->width <= first_ceiling->start_x + first_ceiling->width - lastcol_start + && win->height <= lastrow_startwin->height) { + win->start_x = lastcol_start; + win->start_y = lastrow_startwin->start_y; } + else if (win->height < win_meta->height - (lastrow_startwin->start_y + lastrow_startwin->height) + && win->width <= first_ceiling->width) { + win->start_x = first_ceiling->start_x; + win->start_y = lastrow_startwin->start_y + lastrow_startwin->height + 1; } } } } } void update_windows (struct WinMeta * win_meta, struct Win * win) { // Update geometry of win and its next of kin. Before, destroy window, if visible. After, (re-)build it. if (0 != win->curses_win) destroy_window (win); place_window(win_meta, win); - if (win->start_y + win->height < win_meta->height) // dependent on window position, - win->border_down = 1; // append space for borders to be drawn - else - win->border_down = 0; - if (win->start_x > 0) - win->border_left = 1; - else - win->border_left = 0; - win->curses_win = newwin(win->height + win->border_down, win->width + win->border_left, win->start_y, win->start_x - win->border_left); + win->curses_win = newwin(win->height, win->width, win->start_y, win->start_x); if (0 != win->next) update_windows (win_meta, win->next); } void destroy_window (struct Win * win) { // Undraw and delete window. - undraw_window (win->curses_win); delwin(win->curses_win); win->curses_win = 0; } -void draw_windows (struct WinMeta * win_meta, struct Win * win) { -// Draw all windows from the current one on. - draw_window(win_meta, win); - if (0 != win->next) - draw_windows (win_meta, win->next); } - -void draw_all_windows (struct WinMeta * win_meta) { -// Draw all windows from the chain start on. - if (win_meta->chain_start) - draw_windows (win_meta, win_meta->chain_start); } - -void draw_window(struct WinMeta * win_meta, struct Win * win) { -// Draw win's content, including border and title (the latter dependent on space available for it). - char ls = '|'; - char rs = '|'; - char ts = '-'; - char bs = '-'; - char tl = '-'; - char tr = '+'; - char bl = '|'; - char br = '|'; - if (1 == win->border_down) { - bl = '+'; - br = '+'; } - if (1 == win->border_left) - tl = '+'; - wborder(win->curses_win, ls, rs, ts, bs, tl, tr, bl, br); +void draw_window_borders (struct Win * win, char active) { +// Draw borders of window win, including title. Decorate in a special way if window is marked as active. + int y, x; + for (y = win->start_y; y <= win->start_y + win->height; y++) { + mvaddch(y, win->start_x - 1, '|'); + mvaddch(y, win->start_x + win->width, '|'); } + for (x = win->start_x; x <= win->start_x + win->width; x++) { + mvaddch(win->start_y - 1, x, '-'); + mvaddch(win->start_y + win->height, x, '-'); } char min_title_length_visible = 3; // 1 char minimal, plus 2 chars for decoration left/right of title if (win->width > min_title_length_visible) { int title_length = strlen(win->title); - int title_offset = (((win->width) - (title_length + 2)) / 2) + win->border_left; // + 2 is for decoration - if (title_offset < win->border_left) - title_offset = win->border_left; + int title_offset = (((win->width) - (title_length + 2)) / 2); // + 2 is for decoration int length_visible = strnlen(win->title, win->width - min_title_length_visible); char title[length_visible + 3]; char decoration = ' '; - if (win_meta->active == win) + if (1 == active) decoration = '$'; memcpy(title + 1, win->title, length_visible); title[0] = title[length_visible + 1] = decoration; title[length_visible + 2] = '\0'; - mvwaddstr(win->curses_win, 0, title_offset, title); } + mvaddstr(win->start_y - 1, win->start_x + title_offset, title); } + refresh(); } + +void draw_windows_borders (struct Win * win, struct Win * win_active, struct Corners * corners, int ccount) { +// Craw draw_window_borders() for all windows in chain from win on. Save current window's border corners. + char active = 0; + if (win == win_active) + active = 1; + draw_window_borders(win, active); + corners[ccount].tl_y = win->start_y - 1; + corners[ccount].tl_x = win->start_x - 1; + corners[ccount].tr_y = win->start_y - 1; + corners[ccount].tr_x = win->start_x + win->width; + corners[ccount].bl_y = win->start_y + win->height; + corners[ccount].bl_x = win->start_x - 1; + corners[ccount].br_y = win->start_y + win->height; + corners[ccount].br_x = win->start_x + win->width; + if (0 != win->next) { + draw_windows_borders (win->next, win_active, corners, ccount + 1); } } + +void draw_windows (struct Win * win) { +// Draw contents of all windows in window chain from win on. + draw_window(win); + if (0 != win->next) { + draw_windows (win->next); } } + +void draw_all_windows (struct WinMeta * win_meta) { +// Draw all windows and their borders. + int y, x; + for (y = 0; y < win_meta->height; y++) + for (x = 0; x < win_meta->width; x++) + mvaddch(y, x, ' '); + if (win_meta->chain_start) { + int n_wins = 1; + struct Win * win_p = win_meta->chain_start; + while (0 != win_p->next) { + win_p = win_p->next; + n_wins++; } + struct Corners * all_corners = malloc(sizeof(struct Corners) * n_wins); + draw_windows_borders (win_meta->chain_start, win_meta->active, all_corners, 0); + draw_windows (win_meta->chain_start); + for (y = 0; y < n_wins; y++) { + mvaddch(all_corners[y].tl_y, all_corners[y].tl_x, 'o'); + mvaddch(all_corners[y].tr_y, all_corners[y].tr_x, 'o'); + mvaddch(all_corners[y].bl_y, all_corners[y].bl_x, 'o'); + mvaddch(all_corners[y].br_y, all_corners[y].br_x, 'o'); } + free(all_corners); } } + +void draw_window(struct Win * win) { +// Draw window content if visible. if (win->height > 1 && win->width > 1) ; win->draw(win); wrefresh(win->curses_win); } -void undraw_window (WINDOW * win) { -// Fill entire window with whitespace. - int y, x; - for (y = 0; y <= win->_maxy; y++) - for (x = 0; x <= win->_maxx; x++) - mvwaddch(win, y, x, ' '); - wrefresh(win); } - void resize_window (struct WinMeta * win_meta, char change) { // Grow or shrink currently active window. Correct its geometry and that of its followers. - if (change == '-' && win_meta->active->height > 2) + if (change == '-' && win_meta->active->height > 1) win_meta->active->height--; - else if (change == '+' && win_meta->active->height < win_meta->height) + else if (change == '+' && win_meta->active->height < win_meta->height - 1) win_meta->active->height++; - else if (change == '_' && win_meta->active->width > 2) + else if (change == '_' && win_meta->active->width > 1) win_meta->active->width--; else if (change == '*') win_meta->active->width++; - update_windows(win_meta, win_meta->chain_start); - draw_all_windows(win_meta); } + update_windows(win_meta, win_meta->chain_start); } void cycle_active_window (struct WinMeta * win_meta, char dir) { // Cycle active window selection forwards (dir = 'n') or backwards. @@ -190,53 +194,41 @@ void cycle_active_window (struct WinMeta * win_meta, char dir) { if (win_meta->active->prev != 0) win_meta->active = win_meta->active->prev; else - win_meta->active = win_meta->chain_end; } - draw_all_windows(win_meta); } + win_meta->active = win_meta->chain_end; } } void shift_window (struct WinMeta * win_meta, char dir) { // Move active window forward/backward in window chain. If jumping beyond start/end, move to other chain end. - if (win_meta->active != win_meta->chain_start || win_meta->active != win_meta->chain_end) { - if ('f' == dir) { - if (win_meta->active == win_meta->chain_end) { // move forward beyond chain end - win_meta->active->prev->next = 0; - win_meta->chain_end = win_meta->active->prev; - win_meta->active->prev = 0; - win_meta->active->next = win_meta->chain_start; - win_meta->chain_start->prev = win_meta->active; - win_meta->chain_start = win_meta->active; } - else { // move forward before chain end - if (win_meta->chain_start != win_meta->active) - win_meta->active->prev->next = win_meta->active->next; - else - win_meta->chain_start = win_meta->active->next; - win_meta->active->next->prev = win_meta->active->prev; - win_meta->active->prev = win_meta->active->next; - win_meta->active->next = win_meta->active->next->next; - win_meta->active->prev->next = win_meta->active; - if (0 != win_meta->active->next) - win_meta->active->next->prev = win_meta->active; - else - win_meta->chain_end = win_meta->active; } } - else { // mirror of above, backwards - if (win_meta->active == win_meta->chain_start) { - win_meta->active->next->prev = 0; - win_meta->chain_start = win_meta->active->next; - win_meta->active->next = 0; - win_meta->active->prev = win_meta->chain_end; - win_meta->chain_end->next = win_meta->active; - win_meta->chain_end = win_meta->active; } + if (win_meta->chain_start != win_meta->chain_end && (dir == 'f' || dir == 'b')) { + int i, i_max; + struct Win * win_shift = win_meta->active; + char wrap = 0; + if ((dir == 'f' && win_shift == win_meta->chain_end) + || (dir == 'b' && win_shift == win_meta->chain_start)) + wrap = 1; + struct Win * win_p, * win_p_next; + for (i_max = 1, win_p = win_meta->chain_start; win_p != win_meta->chain_end; i_max++, win_p = win_p->next); + struct Win ** wins = malloc(i_max * sizeof(struct Win *)); + for (i = 0, win_p = win_meta->chain_start; i < i_max; i++) { + win_p_next = win_p->next; + suspend_window(win_meta, win_p); + wins[i] = win_p; + win_p = win_p_next; } + if (wrap) + if (dir == 'f') { + append_window(win_meta, win_shift); + for (i = 0; i < i_max - 1; i++) + append_window(win_meta, wins[i]); } else { - if (win_meta->chain_end != win_meta->active) - win_meta->active->next->prev = win_meta->active->prev; - else - win_meta->chain_end = win_meta->active->prev; - win_meta->active->prev->next = win_meta->active->next; - win_meta->active->next = win_meta->active->prev; - win_meta->active->prev = win_meta->active->prev->prev; - win_meta->active->next->prev = win_meta->active; - if (0 != win_meta->active->prev) - win_meta->active->prev->next = win_meta->active; + for (i = 1; i < i_max; i++) + append_window(win_meta, wins[i]); + append_window(win_meta, win_shift); } + else + for (i = 0; i < i_max; i++) + if ((dir == 'f' && win_shift == wins[i]) || (dir == 'b' && win_shift == wins[i+1])) { + append_window(win_meta, wins[i+1]); + append_window(win_meta, wins[i]); + i++; } else - win_meta->chain_start = win_meta->active; } } - update_windows(win_meta, win_meta->chain_start); - draw_all_windows(win_meta); } } + append_window(win_meta, wins[i]); + free(wins); + win_meta->active = win_shift; } }