From: Christian Heller Date: Mon, 10 Jun 2013 08:33:03 +0000 (+0200) Subject: Modularized windows.c subsystem by moving anything not supposed to be public into... X-Git-Tag: tce~1236 X-Git-Url: https://plomlompom.com/repos/%7B%7Bdb.prefix%7D%7D/static/%7B%7B%20web_path%20%7D%7D/decks/process?a=commitdiff_plain;h=1d8dbdee6e32a1e877a6e8884be066b993a5b651;p=plomrogue Modularized windows.c subsystem by moving anything not supposed to be public into the scopy of windows.c only. --- diff --git a/windows.c b/windows.c index 13dd161..cf68881 100644 --- a/windows.c +++ b/windows.c @@ -4,7 +4,25 @@ #include #include "windows.h" -struct WinMeta init_win_meta (WINDOW * screen) { +struct yx { + uint16_t y; + uint16_t x; }; + +struct Corners { + struct yx tl; + struct yx tr; + struct yx bl; + struct yx br; }; + +static struct yx place_window (struct WinMeta *, struct Win *); +static void update_windows (struct WinMeta *, struct Win *); +static void destroy_window (struct Win *); +static void draw_windows_borders (struct Win *, struct Win *, struct Corners *, uint16_t); +static void draw_window_borders (struct Win *, char); +static void draw_windows (struct Win *); +static void draw_vertical_scroll_hint (struct WinMeta *, uint16_t, uint32_t, char); + +extern struct WinMeta init_win_meta (WINDOW * screen) { // Create and populate WinMeta struct with sane default values. struct WinMeta win_meta; win_meta.screen = screen; @@ -17,7 +35,7 @@ struct WinMeta init_win_meta (WINDOW * screen) { win_meta.active = 0; return win_meta; } -struct Win init_window (struct WinMeta * win_meta, char * title, void * data, void * func) { +extern struct Win init_window (struct WinMeta * win_meta, char * title, void * data, void * func) { // Create and populate Win struct with sane default values. struct Win win; win.prev = 0; @@ -30,7 +48,7 @@ struct Win init_window (struct WinMeta * win_meta, char * title, void * data, vo win.draw = func; return win; } -void append_window (struct WinMeta * win_meta, struct Win * win) { +extern void append_window (struct WinMeta * win_meta, struct Win * win) { // Append win to window chain. Set active, if first window. Update geometry of windows from new window on. if (0 != win_meta->chain_start) { win->prev = win_meta->chain_end; @@ -41,7 +59,7 @@ void append_window (struct WinMeta * win_meta, struct Win * win) { win_meta->chain_end = win; update_windows(win_meta, win); } -void suspend_window (struct WinMeta * win_meta, struct Win * win) { +extern void suspend_window (struct WinMeta * win_meta, struct Win * win) { // Destroy win, suspend from chain. Update geometry of following rows and pad, as well as activity selection. destroy_window(win); if (win_meta->chain_start != win) // Give win's position in the chain to element next to it in the chain. @@ -71,7 +89,7 @@ void suspend_window (struct WinMeta * win_meta, struct Win * win) { if (getmaxx(win_meta->pad) != lastwincol) wresize(win_meta->pad, getmaxy(win_meta->pad), lastwincol + 2); } } -struct yx place_window (struct WinMeta * win_meta, struct Win * win) { +static struct yx place_window (struct WinMeta * win_meta, struct Win * win) { // Based on position and sizes of previous window, find fitting place for current window. struct yx start; start.x = 0; // if window is first in chain, place it on top-left corner @@ -104,7 +122,7 @@ struct yx place_window (struct WinMeta * win_meta, struct Win * win) { win_up = win_upup; } } } return start; } -void update_windows (struct WinMeta * win_meta, struct Win * win) { +static void update_windows (struct WinMeta * win_meta, struct Win * win) { // Update geometry of win and its next of kin. Destroy (if visible), (re-)build window. If need, resize pad. if (0 != win->curses) destroy_window (win); @@ -123,12 +141,12 @@ void update_windows (struct WinMeta * win_meta, struct Win * win) { if (0 != win->next) update_windows (win_meta, win->next); } -void destroy_window (struct Win * win) { +static void destroy_window (struct Win * win) { // Delete window. delwin(win->curses); win->curses = 0; } -void draw_window_borders (struct Win * win, char active) { +static 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. uint16_t y, x; for (y = getbegy(win->curses); y <= getbegy(win->curses) + win->height; y++) { @@ -152,7 +170,7 @@ void draw_window_borders (struct Win * win, char active) { title[length_visible + 2] = '\0'; mvwaddstr (wgetparent(win->curses), getbegy(win->curses)-1, getbegx(win->curses)+title_offset, title); } } -void draw_windows_borders (struct Win * win, struct Win * win_active, struct Corners * corners, uint16_t ccount) { +static void draw_windows_borders (struct Win * win, struct Win * win_active, struct Corners * corners, uint16_t 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) @@ -169,13 +187,13 @@ void draw_windows_borders (struct Win * win, struct Win * win_active, struct Cor if (0 != win->next) { draw_windows_borders (win->next, win_active, corners, ccount + 1); } } -void draw_windows (struct Win * win) { +static void draw_windows (struct Win * win) { // Draw contents of all windows in window chain from win on. win->draw(win); if (0 != win->next) { draw_windows (win->next); } } -void draw_vertical_scroll_hint (struct WinMeta * win_meta, uint16_t x, uint32_t more_cols, char dir) { +static void draw_vertical_scroll_hint (struct WinMeta * win_meta, uint16_t x, uint32_t more_cols, char dir) { // Draw scroll hint line in win at col x of pad display, announce more_cols more columns in direction dir. uint16_t y, offset; char phrase[] = "more columns"; @@ -191,7 +209,7 @@ void draw_vertical_scroll_hint (struct WinMeta * win_meta, uint16_t x, uint32_t mvwaddch(win_meta->pad, y, x, dir | A_REVERSE); free(scrolldesc); } -void draw_all_windows (struct WinMeta * win_meta) { +extern void draw_all_windows (struct WinMeta * win_meta) { // Draw pad with all windows and their borders, plus scrolling hints. erase(); wnoutrefresh(win_meta->screen); @@ -222,14 +240,14 @@ void draw_all_windows (struct WinMeta * win_meta) { pnoutrefresh(win_meta->pad, 0, win_meta->pad_offset, 0, 0, win_meta->height, win_meta->width - 1); } doupdate(); } -void resize_active_window (struct WinMeta * win_meta, uint16_t height, uint16_t width) { +extern void resize_active_window (struct WinMeta * win_meta, uint16_t height, uint16_t width) { // Grow or shrink currently active window. Correct its geometry and that of its followers. if (0 != win_meta->active && width > 0 && height > 0 && height < win_meta->height) { win_meta->active->height = height; win_meta->active->width = width; update_windows(win_meta, win_meta->chain_start); } } -void cycle_active_window (struct WinMeta * win_meta, char dir) { +extern void cycle_active_window (struct WinMeta * win_meta, char dir) { // Cycle active window selection forwards (dir = 'n') or backwards. if (0 != win_meta->active) { if ('n' == dir) { @@ -243,7 +261,7 @@ void cycle_active_window (struct WinMeta * win_meta, char dir) { else win_meta->active = win_meta->chain_end; } } } -void shift_active_window (struct WinMeta * win_meta, char dir) { +extern void shift_active_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 (0 != win_meta->active && win_meta->chain_start != win_meta->chain_end && (dir == 'f' || dir == 'b')) { struct Win * win_shift = win_meta->active; @@ -281,7 +299,7 @@ void shift_active_window (struct WinMeta * win_meta, char dir) { free(wins); win_meta->active = win_shift; } } -void reset_pad_offset(struct WinMeta * win_meta, uint16_t new_offset) { +extern void reset_pad_offset(struct WinMeta * win_meta, uint16_t new_offset) { // Apply new_offset to windows pad, if it proves to be sane. if (new_offset >= 0 && new_offset + win_meta->width < getmaxx(win_meta->pad)) win_meta->pad_offset = new_offset; } diff --git a/windows.h b/windows.h index df69731..3518c37 100644 --- a/windows.h +++ b/windows.h @@ -18,29 +18,12 @@ struct Win { void (* draw) (struct Win *); void * data; }; -struct yx { - uint16_t y; - uint16_t x; }; - -struct Corners { - struct yx tl; - struct yx tr; - struct yx bl; - struct yx br; }; - -struct WinMeta init_win_meta (WINDOW *); -struct Win init_window (struct WinMeta *, char *, void *, void *); -void append_window (struct WinMeta *, struct Win *); -void suspend_window (struct WinMeta *, struct Win *); -struct yx place_window (struct WinMeta *, struct Win *); -void update_windows (struct WinMeta *, struct Win *); -void destroy_window (struct Win *); -void draw_windows (struct Win *); -void draw_windows_borders (struct Win *, struct Win *, struct Corners *, uint16_t); -void draw_window_borders (struct Win *, char); -void draw_vertical_scroll_hint (struct WinMeta *, uint16_t, uint32_t, char); -void draw_all_windows (struct WinMeta *); -void resize_active_window (struct WinMeta *, uint16_t, uint16_t); -void cycle_active_window (struct WinMeta *, char); -void shift_active_window (struct WinMeta *, char); -void reset_pad_offset (struct WinMeta *, uint16_t); +extern struct WinMeta init_win_meta (WINDOW *); +extern struct Win init_window (struct WinMeta *, char *, void *, void *); +extern void append_window (struct WinMeta *, struct Win *); +extern void suspend_window (struct WinMeta *, struct Win *); +extern void draw_all_windows (struct WinMeta *); +extern void resize_active_window (struct WinMeta *, uint16_t, uint16_t); +extern void cycle_active_window (struct WinMeta *, char); +extern void shift_active_window (struct WinMeta *, char); +extern void reset_pad_offset (struct WinMeta *, uint16_t);