From: Christian Heller Date: Mon, 28 Oct 2013 05:13:26 +0000 (+0100) Subject: Don't use ncurses windows besides the virtual screen pad. Eliminated some ncurses... X-Git-Tag: tce~940 X-Git-Url: https://plomlompom.com/repos/%7B%7Bdb.prefix%7D%7D/conditions?a=commitdiff_plain;h=d1dfbfa5a6f5f05d761238010b4f853088e3a373;p=plomrogue Don't use ncurses windows besides the virtual screen pad. Eliminated some ncurses dependencies and Frame struct. --- diff --git a/src/draw_wins.c b/src/draw_wins.c index ac48bdc..106d73a 100644 --- a/src/draw_wins.c +++ b/src/draw_wins.c @@ -4,7 +4,7 @@ #include /* for free() */ #include /* for uint16_t */ #include /* for strlen() */ -#include /* for attri_t, chtype, mvwaddch(), wresize() */ +#include /* for attri_t, chtype */ #include "windows.h" /* for struct Win */ #include "misc.h" /* for try_malloc() */ #include "keybindings.h" /* for struct KeyBinding, for get_name_to_keycode() */ @@ -18,27 +18,33 @@ -/* Widen the ncurses window below "win" to "minx" if it is below that. */ -static void rewiden_if_less_than(struct Win * win, uint16_t minx); +/* Apply to the winmap of Win "w" the new sizes "new_size_y" and "new_size_x" + * to the degree that they extend it. Re-shape the window content accordingly. + */ +static void try_resize_winmap(struct World * world, struct Win * w, + int new_size_y, int new_size_x); + +/* In Win "w", write "ch" to coordinate "y"/"x". */ +static void set_ch_on_yx(struct Win * w, int y, int x, chtype ch); -/* Write "text" into window "win". Start on row "start_y". Break text at - * right window edge. Also break at newlines. +/* Add "text" into window "win". Break text at right window edge. Also break at + * newlines. */ -static void draw_with_linebreaks(struct Win * win, char * text, - uint16_t start_y); +static void add_text_with_linebreaks(struct World * world, struct Win * win, + char * text); -/* Write "line" into window "w" at line "y"; apply ncurses attribute - * "attri" to all characters drawn; if "fill" is non-zero, fill the - * entire line until the right window edge with empty characters - * ("attri" also applied on these). +/* Add "line" into window "w". Apply ncurses attribute "attri" to all + * characters drawn. If "fill" is non-zero, fill the entire line until the + * right window edge with empty characters ("attri" also applied on these). */ -static void draw_line(struct Win * w, uint16_t y, char * line, attr_t attri, - uint8_t fill); +static void add_line(struct World * world, struct Win * w, char * line, + attr_t attri, uint8_t fill); -/* Write "text" with draw_with_linebreaks() as not starting from the top but +/* Write "text" with add_text_with_linebreaks() as not starting from the top but * from bottom of "win". Draw only what fits in window (avoid scroll hints). */ -static void draw_text_from_bottom(struct Win * win, char * text); +static void draw_text_from_bottom(struct World * world, struct Win * win, + char * text); /* Draw onto "map" in "win" the objects in the chain at "start". */ static void draw_map_objects(struct World * world, struct MapObj * start, @@ -61,26 +67,61 @@ static uint16_t draw_titled_keybinding_list(struct World * world, char * title, -static void rewiden_if_less_than(struct Win * win, uint16_t minx) +static void try_resize_winmap(struct World * world, struct Win * w, + int new_size_y, int new_size_x) { - if (minx > getmaxx(win->frame.curses_win)) + char * f_name = "try_resize_winmap()"; + if (w->winmapsize.y >= new_size_y && w->winmapsize.x >= new_size_x) + { + return; + } + if (w->winmapsize.y > new_size_y) { - wresize(win->frame.curses_win, getmaxy(win->frame.curses_win), minx); + new_size_y = w->winmapsize.y; } + else if (w->winmapsize.x > new_size_x) + { + new_size_x = w->winmapsize.x; + } + chtype * old_winmap = w->winmap; + uint32_t new_size = sizeof(chtype) * new_size_y * new_size_x; + w->winmap = try_malloc(new_size, world, f_name); + uint16_t y, x; + for (y = 0; y < new_size_y; y++) + { + for (x = 0; y < w->winmapsize.y && x < w->winmapsize.x; x++) + { + chtype ch = old_winmap[(y * w->winmapsize.x) + x]; + w->winmap[(y * new_size_x) + x] = ch; + } + for (; x < new_size_x; x++) + { + w->winmap[(y * new_size_x) + x] = ' '; + } + } + free(old_winmap); + w->winmapsize.y = new_size_y; + w->winmapsize.x = new_size_x; } -static void draw_with_linebreaks(struct Win * win, char * text, - uint16_t start_y) +static void set_ch_on_yx(struct Win * w, int y, int x, chtype ch) +{ + w->winmap[(y * w->winmapsize.x) + x] = ch; +} + + + +static void add_text_with_linebreaks(struct World * world, struct Win * win, + char * text) { uint16_t x, y; int16_t z = -1; - rewiden_if_less_than(win, win->frame.size.x); - for (y = start_y; ; y++) + for (y = win->winmapsize.y; ; y++) { - wresize(win->frame.curses_win, y + 1, getmaxx(win->frame.curses_win)); - for (x = 0; x < win->frame.size.x; x++) + try_resize_winmap(world, win, y + 1, win->framesize.x); + for (x = 0; x < win->framesize.x; x++) { z++; if ('\n' == text[z]) @@ -89,7 +130,7 @@ static void draw_with_linebreaks(struct Win * win, char * text, } else { - mvwaddch(win->frame.curses_win, y, x, text[z]); + set_ch_on_yx(win, y, x, text[z]); } if ('\n' == text[z+1]) { @@ -106,39 +147,49 @@ static void draw_with_linebreaks(struct Win * win, char * text, -static void draw_line(struct Win * w, uint16_t y, char * line, attr_t attri, - uint8_t fill) +static void add_line(struct World * world, struct Win * w, char * line, + attr_t attri, uint8_t fill) { + uint16_t y = w->winmapsize.y; + uint16_t len_line = strlen(line); + if (0 != fill + && w->winmapsize.x < w->framesize.x && w->framesize.x > len_line) + { + try_resize_winmap(world, w, y + 1, w->framesize.x); + } + else + { + try_resize_winmap(world, w, y + 1, strlen(line)); + } uint16_t x = 0; - for (; x < strlen(line); x++) + for (; x < len_line; x++) { - rewiden_if_less_than(w, x + 1); - mvwaddch(w->frame.curses_win, y, x, line[x] | attri); + set_ch_on_yx(w, y, x, line[x] | attri); } if (0 != fill) { - for (; x < w->frame.size.x; x++) + for (; x < w->framesize.x; x++) { - rewiden_if_less_than(w, x + 1); - mvwaddch(w->frame.curses_win, y, x, ' ' | attri); + set_ch_on_yx(w, y, x, ' ' | attri); } } } -static void draw_text_from_bottom(struct Win * win, char * text) +static void draw_text_from_bottom(struct World * world, struct Win * win, + char * text) { /* Determine number of lines text would have in a window of win's width, * but infinite height. Treat \n and \0 as control chars for incrementing * y and stopping the loop. Make sure +they* don't count as cell space. */ char toggle = 0; - uint16_t x, y, offset; + uint16_t x, y; int16_t z = -1; for (y = 0; 0 == toggle; y++) { - for (x = 0; x < win->frame.size.x; x++) + for (x = 0; x < win->framesize.x; x++) { z++; if ('\n' == text[z]) @@ -161,16 +212,16 @@ static void draw_text_from_bottom(struct Win * win, char * text) /* Depending on what's bigger, determine start point in window or text. */ uint16_t start_y = 0; - if (y < win->frame.size.y) + if (y < win->framesize.y) { - start_y = win->frame.size.y - y; + start_y = win->framesize.y - y; } - else if (y > win->frame.size.y) + else if (y > win->framesize.y) { - offset = y - win->frame.size.y; + uint16_t offset = y - win->framesize.y; for (y = 0; y < offset; y++) { - for (x = 0; x < win->frame.size.x; x++) + for (x = 0; x < win->framesize.x; x++) { z++; if ('\n' == text[z]) @@ -187,7 +238,8 @@ static void draw_text_from_bottom(struct Win * win, char * text) text = text + (sizeof(char) * (z + 1)); } - draw_with_linebreaks(win, text, start_y); + try_resize_winmap(world, win, start_y, 1); + add_text_with_linebreaks(world, win, text); } @@ -208,7 +260,7 @@ static void draw_map_objects(struct World * world, struct MapObj * start, { d = get_map_object_def(world, o->type); c = d->char_on_map; - mvwaddch(win->frame.curses_win, o->pos.y, o->pos.x, c); + set_ch_on_yx(win, o->pos.y, o->pos.x, c); } } } @@ -238,15 +290,13 @@ static void draw_kb_view(struct World * world, struct Win * w, { if (0 == kb->kbs) { - wresize(w->frame.curses_win, start + 1, getmaxx(w->frame.curses_win)); - draw_line(w, start, "(none)", 0, 0); + add_line(world, w, "(none)", 0, 0); return; } struct KeyBinding * kb_p = kb->kbs; uint16_t y; for (y = start; 0 != kb_p; y++) { - wresize(w->frame.curses_win, y + 1, getmaxx(w->frame.curses_win)); attr_t attri = 0; if (y - start == kb->select) { @@ -257,7 +307,7 @@ static void draw_kb_view(struct World * world, struct Win * w, } } char * kb_line = get_kb_line_and_iterate(world, &kb_p); - draw_line(w, y, kb_line, attri, 1); + add_line(world, w, kb_line, attri, 1); free(kb_line); } } @@ -268,49 +318,26 @@ static uint16_t draw_titled_keybinding_list(struct World * world, char * title, struct Win * w, uint16_t start, struct KeyBinding * kb_p) { - uint16_t x, y; - uint16_t i = 0; + uint16_t y; uint8_t state = 0; for (y = start; (0 == state || 0 != kb_p); y++) { - wresize(w->frame.curses_win, y + 1, getmaxx(w->frame.curses_win)); if (0 == state) { - for (x = 0; ; x++) - { - if (i == strlen(title)) - { - y++; - state = 1 + (0 == kb_p); - i = 0; - break; - } - rewiden_if_less_than(w, x + 1); - mvwaddch(w->frame.curses_win, y, x, title[i]); - i++; - } + add_line(world, w, title, 0, 0); + y++; + add_line(world, w, " ", 0, 0); + state = 1 + (0 == kb_p); continue; } char * kb_line = get_kb_line_and_iterate(world, &kb_p); - if (strlen(kb_line) > getmaxx(w->frame.curses_win)) - { - wresize(w->frame.curses_win, y + 1, strlen(kb_line)); - } - draw_line(w, y, kb_line, 0, 0); + add_line(world, w, kb_line, 0, 0); free(kb_line); } if (2 == state) { char * none = "(none)"; - if (strlen(none) > getmaxx(w->frame.curses_win)) - { - wresize(w->frame.curses_win, y + 1, strlen(none)); - } - else - { - wresize(w->frame.curses_win, y + 1, getmaxx(w->frame.curses_win)); - } - draw_line(w, y, none, 0, 0); + add_line(world, w, none, 0, 0); y++; } return y; @@ -321,7 +348,7 @@ static uint16_t draw_titled_keybinding_list(struct World * world, char * title, extern void draw_win_log(struct Win * win) { struct World * world = (struct World *) win->data; - draw_text_from_bottom(win, world->log); + draw_text_from_bottom(world, win, world->log); } @@ -331,13 +358,14 @@ extern void draw_win_map(struct Win * win) struct World * world = (struct World *) win->data; struct Map * map = world->map; char * cells = map->cells; - wresize(win->frame.curses_win, map->size.y, map->size.x); - uint16_t x, y, z; + try_resize_winmap(world, win, map->size.y, map->size.x); + uint16_t z = 0; + uint16_t x, y; for (y = 0; y < map->size.y; y++) { for (x = 0; x < map->size.x; x++) { - mvwaddch(win->frame.curses_win, y, x, cells[z]); + set_ch_on_yx(win, y, x, cells[z]); z++; } } @@ -360,7 +388,7 @@ extern void draw_win_info(struct Win * win) dsc_turn, world->turn, dsc_hitpoints, player->lifepoints, dsc_score, world->score); - draw_with_linebreaks(win, text, 0); + add_text_with_linebreaks(world, win, text); } @@ -371,7 +399,7 @@ extern void draw_win_inventory(struct Win * win) struct MapObj * player = get_player(world); if (NULL == player->owns) { - draw_line(win, 0, "(none)", 0, 0); + add_line(world, win, "(none)", 0, 0); return; } win->center.y = world->inventory_select; @@ -379,14 +407,13 @@ extern void draw_win_inventory(struct Win * win) uint8_t y; for (y = 0; NULL != owned; y++) { - wresize(win->frame.curses_win, y + 1, getmaxx(win->frame.curses_win)); attr_t attri = 0; if (y == world->inventory_select) { attri = A_REVERSE; } struct MapObjDef * mod = get_map_object_def(world, owned->type); - draw_line(win, y, mod->name, attri, 0); + add_line(world, win, mod->name, attri, 0); owned = owned->next; } } @@ -412,6 +439,7 @@ extern void draw_win_available_keybindings(struct Win * win) kb_p = world->kb_winkeys.kbs; } uint16_t offset = draw_titled_keybinding_list(world, title, win, 0, kb_p); + add_line(world, win, " ", 0, 0); draw_titled_keybinding_list(world, "Global keybindings", win, offset + 1, world->kb_global.kbs); } @@ -450,7 +478,8 @@ extern void draw_winconf_keybindings(struct Win * win) struct World * world = (struct World *) win->data; struct WinConf * wc = get_winconf_by_win(world, win); char * title = "Window's keybindings:"; - draw_line(win, 0, title, 0, 0); + add_line(world, win, title, 0, 0); + add_line(world, win, " ", 0, 0); draw_kb_view(world, win, &wc->kb, 2); win->center.y = wc->kb.select + 2; } @@ -484,5 +513,5 @@ extern void draw_winconf_geometry(struct Win * win) char text[maxl + 1]; sprintf(text, "%s%s%d%s%s%d%s", title, h_d, wcp->height, h_t, w_d, wcp->width, w_t); - draw_with_linebreaks(win, text, 0); + add_text_with_linebreaks(world, win, text); } diff --git a/src/map.c b/src/map.c index 16b2782..92d1558 100644 --- a/src/map.c +++ b/src/map.c @@ -57,10 +57,10 @@ struct Map init_map(struct World * world) void map_scroll(struct Win * win, struct yx_uint16 map_size, enum dir d) { uint16_t offset; - if ((NORTH == d || SOUTH == d) && map_size.y > win->frame.size.y) + if ((NORTH == d || SOUTH == d) && map_size.y > win->framesize.y) { - offset = center_offset(win->center.y, map_size.y, win->frame.size.y); - win->center.y = offset + (win->frame.size.y / 2); + offset = center_offset(win->center.y, map_size.y, win->framesize.y); + win->center.y = offset + (win->framesize.y / 2); if (NORTH == d && win->center.y > 0) { win->center.y--; @@ -70,10 +70,10 @@ void map_scroll(struct Win * win, struct yx_uint16 map_size, enum dir d) win->center.y++; } } - else if ((WEST == d || EAST == d) && map_size.x > win->frame.size.x) + else if ((WEST == d || EAST == d) && map_size.x > win->framesize.x) { - offset = center_offset(win->center.x, map_size.x, win->frame.size.x); - win->center.x = offset + (win->frame.size.x / 2); + offset = center_offset(win->center.x, map_size.x, win->framesize.x); + win->center.x = offset + (win->framesize.x / 2); if (WEST == d && win->center.x > 0) { win->center.x--; diff --git a/src/wincontrol.c b/src/wincontrol.c index d444623..5680ff9 100644 --- a/src/wincontrol.c +++ b/src/wincontrol.c @@ -240,20 +240,19 @@ static void set_winconf_geometry(struct World * world, char id) struct WinConf * wcp = get_winconf_by_id(world, id); if (0 == wcp->height_type) { - wcp->height = wcp->win->frame.size.y; + wcp->height = wcp->win->framesize.y; } else if (1 == wcp->height_type) { - wcp->height = wcp->win->frame.size.y - world->wmeta->padframe.size.y - + 1; + wcp->height = wcp->win->framesize.y - world->wmeta->padsize.y + 1; } if (0 == wcp->width_type) { - wcp->width = wcp->win->frame.size.x; + wcp->width = wcp->win->framesize.x; } else if (1 == wcp->width_type) { - wcp->width = wcp->win->frame.size.x - world->wmeta->padframe.size.x; + wcp->width = wcp->win->framesize.x - world->wmeta->padsize.x; } } @@ -562,8 +561,7 @@ extern void toggle_win_height_type(struct World * world, struct Win * win) extern void toggle_win_width_type(struct World * world, struct Win * win) { struct WinConf * wcp = get_winconf_by_win(world, win); - if ( 0 == wcp->width_type - && win->frame.size.x <= world->wmeta->padframe.size.x) + if (0 == wcp->width_type && win->framesize.x <= world->wmeta->padsize.x) { wcp->width_type = 1; } @@ -594,7 +592,7 @@ extern uint8_t growshrink_active_window(struct World * world, char change) { if (0 != world->wmeta->active) { - struct yx_uint16 size = world->wmeta->active->frame.size; + struct yx_uint16 size = world->wmeta->active->framesize; if (change == '-') { size.y--; @@ -614,8 +612,7 @@ extern uint8_t growshrink_active_window(struct World * world, char change) uint8_t x = resize_active_win(world->wmeta, size); struct WinConf * wcp = get_winconf_by_win(world, world->wmeta->active); if ( 1 == wcp->width_type - && world->wmeta->active->frame.size.x - > world->wmeta->padframe.size.x) + && world->wmeta->active->framesize.x > world->wmeta->padsize.x) { wcp->width_type = 0; } diff --git a/src/wincontrol.h b/src/wincontrol.h index a422f5f..09d78c9 100644 --- a/src/wincontrol.h +++ b/src/wincontrol.h @@ -33,7 +33,7 @@ struct WinConf /* after toggling window configuration view */ struct yx_uint16 center; /* designated center for Win->draw view; to be */ /* returned to after toggling winconf view */ - uint8_t view; /* 0: use ->draw as Win->_draw; 1, 2: use draw_winconf()_* */ + uint8_t view; /* 0: use ->draw as Win->draw; 1, 2: use draw_winconf()_* */ uint8_t height_type; /* both: 0: interpret ->height/->width as size in */ uint8_t width_type; /* positive cells; 1: as negative diff to max width */ struct KeyBiData kb; /* the window's specific keybindings */ diff --git a/src/windows.c b/src/windows.c index 069e08f..5165179 100644 --- a/src/windows.c +++ b/src/windows.c @@ -28,15 +28,15 @@ static void place_win(struct WinMeta * wmeta, struct Win * w); -/* Draw scroll hint (a line stating that there are "dist" more elements of +/* Draw scroll hint (a line saying that there are "dist" more elements of * "unit" further into the direction symbolized by the "dir" char) into virtual - * screen pad, onto an appropriate edge of "frame": the left or right edge if - * "dir" is "<" or ">", or the upper or lower edge if it is "^" or "v". "start" - * should be either the start coordinate of "frame" if it describes a window or - * .y=, .x=wm->pad_offset if it describes the virtual screen. winscroll_hint() - * and padscroll_hint() are wrappers to simplify the use of scroll_hint(). + * screen pad, onto an appropriate edge of either a window or the screen; the + * left or right edge if "dir" is "<" or ">", or the upper or lower edge if it + * is "^" or "v". "start" should be either the start coordinate of a window's + * frame or .y=0, .x=wm->pad_offset if it describes the virtual screen pad. + * winscroll_hint() and padscroll_hint() are wrappers to simplify these uses. */ -static void scroll_hint(struct WinMeta * wm, struct Frame * frame, char dir, +static void scroll_hint(struct WinMeta * wm, struct yx_uint16 fsize, char dir, uint16_t dist, char * unit, struct yx_uint16 start); static void winscroll_hint(struct WinMeta * wm, struct Win * w, char dir, uint16_t dist); @@ -77,29 +77,25 @@ static void shift_win_backward(struct WinMeta * wmeta); static uint8_t refit_pad(struct WinMeta * wmeta) { /* Determine rightmost window column. */ - uint32_t lastwincol = 0; - struct Win * w_p = wmeta->chain_start; - while (w_p != 0) + uint32_t lastwcol = 0; + struct Win * wp = wmeta->chain_start; + while (wp != 0) { - if ((uint32_t) w_p->start.x + (uint32_t) w_p->frame.size.x - > lastwincol + 1) + if ((uint32_t) wp->start.x + (uint32_t) wp->framesize.x > lastwcol + 1) { - lastwincol = (uint32_t) w_p->start.x - + (uint32_t) w_p->frame.size.x - 1; + lastwcol = (uint32_t) wp->start.x + (uint32_t) wp->framesize.x - 1; } - w_p = w_p->next; + wp = wp->next; } /* Only resize the pad if the rightmost window column has changed. */ - if (getmaxx(wmeta->padframe.curses_win) + 1 != lastwincol) + if (getmaxx(wmeta->pad) + 1 != lastwcol) { - if (lastwincol + 2 > UINT16_MAX) + if (lastwcol + 2 > UINT16_MAX) { return 2; } - return (ERR == wresize(wmeta->padframe.curses_win, - getmaxy(wmeta->padframe.curses_win), - lastwincol + 2)); + return (ERR == wresize(wmeta->pad, getmaxy(wmeta->pad), lastwcol + 2)); } return 0; } @@ -137,14 +133,14 @@ static void place_win(struct WinMeta * wmeta, struct Win * w) { w_top = w_top->prev; } - w->start.x = w_top->start.x + w_top->frame.size.x + 1; + w->start.x = w_top->start.x + w_top->framesize.x + 1; /* Fit window below its predecessor if that one directly thrones over * empty space wide and high enough. */ - uint16_t w_prev_maxy = w->prev->start.y + w->prev->frame.size.y; - if ( w->frame.size.x <= w->prev->frame.size.x - && w->frame.size.y < wmeta->padframe.size.y - w_prev_maxy) + uint16_t w_prev_maxy = w->prev->start.y + w->prev->framesize.y; + if ( w->framesize.x <= w->prev->framesize.x + && w->framesize.y < wmeta->padsize.y - w_prev_maxy) { w->start.x = w->prev->start.x; w->start.y = w_prev_maxy + 1; @@ -169,13 +165,13 @@ static void place_win(struct WinMeta * wmeta, struct Win * w) } w_upup = w_upup->prev; } - w_prev_maxy = w_upup->start.y + w_upup->frame.size.y; - widthdiff = (w_upup->start.x + w_upup->frame.size.x) - - (w_up->start.x + w_up->frame.size.x); - if ( w->frame.size.y < wmeta->padframe.size.y - w_prev_maxy - && w->frame.size.x < widthdiff) + w_prev_maxy = w_upup->start.y + w_upup->framesize.y; + widthdiff = (w_upup->start.x + w_upup->framesize.x) + - (w_up->start.x + w_up->framesize.x); + if ( w->framesize.y < wmeta->padsize.y - w_prev_maxy + && w->framesize.x < widthdiff) { - w->start.x = w_up->start.x + w_up->frame.size.x + 1 ; + w->start.x = w_up->start.x + w_up->framesize.x + 1 ; w->start.y = w_prev_maxy + 1; break; } @@ -187,15 +183,15 @@ static void place_win(struct WinMeta * wmeta, struct Win * w) -static void scroll_hint(struct WinMeta * wm, struct Frame * frame, char dir, +static void scroll_hint(struct WinMeta * wm, struct yx_uint16 fsize, char dir, uint16_t dist, char * unit, struct yx_uint16 start) { /* Decide on alignment (vertical/horizontal?), thereby hint text space. */ char * more = "more"; - uint16_t dsc_space = frame->size.x; + uint16_t dsc_space = fsize.x; if ('<' == dir || '>' == dir) { - dsc_space = frame->size.y; + dsc_space = fsize.y; } /* vv-- 10 = max strlen for uint16_t */ char scrolldsc[1 + strlen(more) + 1 + 10 + 1 + strlen(unit) + 1 + 1]; sprintf(scrolldsc, " %d %s %s ", dist, more, unit); @@ -211,11 +207,11 @@ static void scroll_hint(struct WinMeta * wm, struct Frame * frame, char dir, uint16_t draw_offset = 0; if ('>' == dir) { - draw_offset = frame->size.x - 1; + draw_offset = fsize.x - 1; } else if ('v' == dir) { - draw_offset = frame->size.y - 1; + draw_offset = fsize.y - 1; } uint16_t q = 0; for (; q < dsc_space; q++) @@ -227,13 +223,11 @@ static void scroll_hint(struct WinMeta * wm, struct Frame * frame, char dir, } if ('<' == dir || '>' == dir) { - mvwaddch(wm->padframe.curses_win, - start.y + q, start.x + draw_offset, symbol); + mvwaddch(wm->pad, start.y + q, start.x + draw_offset, symbol); } else { - mvwaddch(wm->padframe.curses_win, - start.y + draw_offset, start.x + q, symbol); + mvwaddch(wm->pad, start.y + draw_offset, start.x + q, symbol); } } } @@ -244,7 +238,7 @@ static void padscroll_hint(struct WinMeta * wm, char dir, uint16_t dist) struct yx_uint16 start; start.y = 0; start.x = wm->pad_offset; - scroll_hint(wm, &wm->padframe, dir, dist, "columns", start); + scroll_hint(wm, wm->padsize, dir, dist, "columns", start); } @@ -258,46 +252,47 @@ static void winscroll_hint(struct WinMeta * wm, struct Win * w, char dir, unit = "columns"; } struct yx_uint16 start = w->start; - scroll_hint(wm, &w->frame, dir, dist, unit, start); + scroll_hint(wm, w->framesize, dir, dist, unit, start); } static uint8_t draw_wins(struct WinMeta * wm, struct Win * w) { - if (ERR == wresize(w->frame.curses_win, 1, 1)) - { - return 1; - } w->draw(w); uint16_t y, x, size_y, size_x; - getmaxyx(w->frame.curses_win, size_y, size_x); - uint16_t offset_y = center_offset(w->center.y, size_y, w->frame.size.y); - uint16_t offset_x = center_offset(w->center.x, size_x, w->frame.size.x); - for (y = offset_y; y < w->frame.size.y + offset_y && y < size_y; y++) + size_y = w->winmapsize.y; + size_x = w->winmapsize.x; + uint16_t offset_y = center_offset(w->center.y, size_y, w->framesize.y); + uint16_t offset_x = center_offset(w->center.x, size_x, w->framesize.x); + for (y = offset_y; y < w->framesize.y + offset_y && y < size_y; y++) { - for (x = offset_x; x < w->frame.size.x + offset_x && x < size_x; x++) + for (x = offset_x; x < w->framesize.x + offset_x && x < size_x; x++) { - chtype ch = mvwinch(w->frame.curses_win, y, x); - mvwaddch(wm->padframe.curses_win, w->start.y + (y - offset_y), - w->start.x + (x - offset_x), ch); + chtype ch = w->winmap[(y * w->winmapsize.x) + x]; + mvwaddch(wm->pad, w->start.y + (y - offset_y), + w->start.x + (x - offset_x), ch); } } + free(w->winmap); + w->winmap = NULL; + w->winmapsize.y = 0; + w->winmapsize.x = 0; if (offset_y > 0) { winscroll_hint(wm, w, '^', offset_y + 1); } - if (size_y > offset_y + w->frame.size.y) + if (size_y > offset_y + w->framesize.y) { - winscroll_hint(wm, w, 'v', size_y - ((offset_y + w->frame.size.y) - 1)); + winscroll_hint(wm, w, 'v', size_y - ((offset_y + w->framesize.y) - 1)); } if (offset_x > 0) { winscroll_hint(wm, w, '<', offset_x + 1); } - if (size_x > offset_x + w->frame.size.x) + if (size_x > offset_x + w->framesize.x) { - winscroll_hint(wm, w, '>', size_x - ((offset_x + w->frame.size.x) - 1)); + winscroll_hint(wm, w, '>', size_x - ((offset_x + w->framesize.x) - 1)); } if (0 != w->next) { @@ -312,27 +307,27 @@ static void draw_win_borderlines(struct Win * w, char active, WINDOW * pad) { /* Draw vertical and horizontal border lines. */ uint16_t y, x; - for (y = w->start.y; y <= w->start.y + w->frame.size.y; y++) + for (y = w->start.y; y <= w->start.y + w->framesize.y; y++) { - mvwaddch(pad, y, w->start.x - 1, '|'); - mvwaddch(pad, y, w->start.x + w->frame.size.x, '|'); + mvwaddch(pad, y, w->start.x - 1, '|'); + mvwaddch(pad, y, w->start.x + w->framesize.x, '|'); } - for (x = w->start.x; x <= w->start.x + w->frame.size.x; x++) + for (x = w->start.x; x <= w->start.x + w->framesize.x; x++) { - mvwaddch(pad, w->start.y - 1, x, '-'); - mvwaddch(pad, w->start.y + w->frame.size.y, x, '-'); + mvwaddch(pad, w->start.y - 1, x, '-'); + mvwaddch(pad, w->start.y + w->framesize.y, x, '-'); } /* Draw as much as possible of the title into center of top border line. */ char min_title_length_visible = 3; /* min. 1 char + 2 padding/decoration */ - if (w->frame.size.x >= min_title_length_visible) + if (w->framesize.x >= min_title_length_visible) { uint16_t title_offset = 0; - if (w->frame.size.x > strlen(w->title) + 2) + if (w->framesize.x > strlen(w->title) + 2) { - title_offset = (w->frame.size.x - (strlen(w->title) + 2)) / 2; + title_offset = (w->framesize.x - (strlen(w->title) + 2)) / 2; } /* +2 is for padding/decoration */ - uint16_t length_visible = strnlen(w->title, w->frame.size.x - 2); + uint16_t length_visible = strnlen(w->title, w->framesize.x - 2); char title[length_visible + 3]; char decoration = ' '; if (1 == active) @@ -368,10 +363,9 @@ static void draw_wins_borderlines(struct Win * w, struct Win * w_active, static void draw_wins_bordercorners(struct Win * w, WINDOW * pad) { mvwaddch(pad, w->start.y - 1, w->start.x - 1, '+'); - mvwaddch(pad, w->start.y - 1, w->start.x + w->frame.size.x, '+'); - mvwaddch(pad, w->start.y + w->frame.size.y, w->start.x - 1, '+'); - mvwaddch(pad, - w->start.y + w->frame.size.y, w->start.x + w->frame.size.x, '+'); + mvwaddch(pad, w->start.y - 1, w->start.x + w->framesize.x, '+'); + mvwaddch(pad, w->start.y + w->framesize.y, w->start.x - 1, '+'); + mvwaddch(pad, w->start.y + w->framesize.y, w->start.x + w->framesize.x,'+'); if (0 != w->next) { draw_wins_bordercorners(w->next, pad); @@ -472,17 +466,17 @@ extern uint8_t init_win_meta(WINDOW * screen, struct WinMeta ** wmp) { return 2; } - wmeta->padframe.size.y = maxy_test; - wmeta->padframe.size.x = maxx_test; + wmeta->padsize.y = maxy_test; + wmeta->padsize.x = maxx_test; wmeta->chain_start = 0; wmeta->chain_end = 0; wmeta->pad_offset = 0; - WINDOW * pad_test = newpad(wmeta->padframe.size.y, 1); + WINDOW * pad_test = newpad(wmeta->padsize.y, 1); if (NULL == pad_test) { return 1; } - wmeta->padframe.curses_win = pad_test; + wmeta->pad = pad_test; wmeta->active = 0; *wmp = wmeta; return 0; @@ -499,38 +493,36 @@ extern uint8_t init_win(struct WinMeta * wmeta, struct Win ** wp, char * title, { return 1; } - w->prev = 0; - w->next = 0; - w->frame.curses_win = newpad(1, 1); - if (NULL == w->frame.curses_win) - { - return 1; - } - w->title = malloc(strlen(title) + 1); + w->prev = 0; + w->next = 0; + w->winmapsize.y = 0; + w->winmapsize.x = 0; + w->winmap = NULL; + w->title = malloc(strlen(title) + 1); if (NULL == w->title) { return 1; } sprintf(w->title, "%s", title); - w->data = data; - w->draw = func; - w->center.y = 0; - w->center.x = 0; + w->data = data; + w->draw = func; + w->center.y = 0; + w->center.x = 0; if (0 < width) { - w->frame.size.x = width; + w->framesize.x = width; } else if (0 >= width) { - w->frame.size.x = wmeta->padframe.size.x + width; + w->framesize.x = wmeta->padsize.x + width; } - if (0 < height && height <= wmeta->padframe.size.y - 1) + if (0 < height && height <= wmeta->padsize.y - 1) { - w->frame.size.y = height; + w->framesize.y = height; } - else if (0 >= height && wmeta->padframe.size.y + (height - 1) > 0) + else if (0 >= height && wmeta->padsize.y + (height - 1) > 0) { - w->frame.size.y = wmeta->padframe.size.y + (height - 1); + w->framesize.y = wmeta->padsize.y + (height - 1); } *wp = w; return 0; @@ -540,7 +532,7 @@ extern uint8_t init_win(struct WinMeta * wmeta, struct Win ** wp, char * title, extern void free_winmeta(struct WinMeta * wmeta) { - delwin(wmeta->padframe.curses_win); + delwin(wmeta->pad); free(wmeta); } @@ -548,7 +540,6 @@ extern void free_winmeta(struct WinMeta * wmeta) extern void free_win(struct Win * win) { - delwin(win->frame.curses_win); free(win->title); free(win); } @@ -623,8 +614,7 @@ extern void reset_pad_offset(struct WinMeta * wmeta, uint16_t new_offset) { if (new_offset >= 0 && (new_offset < wmeta->pad_offset - || new_offset + wmeta->padframe.size.x - < getmaxx(wmeta->padframe.curses_win))) + || new_offset + wmeta->padsize.x < getmaxx(wmeta->pad))) { wmeta->pad_offset = new_offset; } @@ -635,10 +625,9 @@ extern void reset_pad_offset(struct WinMeta * wmeta, uint16_t new_offset) extern uint8_t resize_active_win(struct WinMeta * wmeta, struct yx_uint16 size) { if (0 != wmeta->active - && size.x > 0 && size.y > 0 - && size.y < wmeta->padframe.size.y) + && size.x > 0 && size.y > 0 && size.y < wmeta->padsize.y) { - wmeta->active->frame.size = size; + wmeta->active->framesize = size; return update_wins(wmeta, wmeta->active); /* Positioning of following */ } /* windows may be affected. */ return 0; @@ -702,15 +691,13 @@ extern uint8_t draw_all_wins(struct WinMeta * wm) /* Empty everything before filling it a-new. */ erase(); wnoutrefresh(wm->screen); - werase(wm->padframe.curses_win); + werase(wm->pad); if (wm->chain_start) { /* Draw windows' borders first, then windows. */ - draw_wins_borderlines(wm->chain_start, wm->active, - wm->padframe.curses_win); - draw_wins_bordercorners(wm->chain_start, wm->padframe.curses_win); - + draw_wins_borderlines(wm->chain_start, wm->active, wm->pad); + draw_wins_bordercorners(wm->chain_start, wm->pad); if (1 == draw_wins(wm, wm->chain_start)) { return 1; @@ -721,16 +708,16 @@ extern uint8_t draw_all_wins(struct WinMeta * wm) { padscroll_hint(wm, '<', wm->pad_offset + 1); } - uint16_t size_x = getmaxx(wm->padframe.curses_win); - uint16_t right_edge = wm->pad_offset + wm->padframe.size.x; + uint16_t size_x = getmaxx(wm->pad); + uint16_t right_edge = wm->pad_offset + wm->padsize.x; if (right_edge < size_x - 1) { padscroll_hint(wm, '>', size_x - right_edge); } /* Write pad segment to be shown on physical screen to screen buffer. */ - pnoutrefresh(wm->padframe.curses_win, 0, wm->pad_offset, 0, 0, - wm->padframe.size.y, wm->padframe.size.x - 1); + pnoutrefresh(wm->pad, 0, wm->pad_offset, 0, 0, + wm->padsize.y, wm->padsize.x - 1); } /* Only at the end write accumulated changes to the physical screen. */ diff --git a/src/windows.h b/src/windows.h index eed33ff..abebe0d 100644 --- a/src/windows.h +++ b/src/windows.h @@ -37,35 +37,30 @@ #include /* for uint8_t, uint16_t, uint32_t */ -#include /* for the WINDOW typedef */ -#include "yx_uint16.h" /* for yx_uint16 coordinates */ +#include /* for the WINDOW and chtype typedefs */ +#include "yx_uint16.h" /* for yx_uint16 struct */ -/* Individual windows consist of potential (real only if window is visible - * inside the virtual screen) ncurses WINDOWs wrapped inside Frame structs (that - * keep a window's designated size even when it is invisible) wrapped inside - * metadata-rich Win structs. Win structs are chained into a linked list of all - * the windows visible on the virtual screen and also contain pointers to what - * content is to be drawn inside the window, and by use of what method. +/* Individual windows are represented by "Win" structs. They describe frames + * located inside the virtual screen pad through which "winmaps" are visible, + * 2-dimensional maps of ncurses chtypes. Win structs are chained into a linked + * list of all the windows visible on the virtual screen and also contain + * pointers to what content is to be drawn inside the window, and by use of what + * method. */ - -struct Frame /* If Frame is Win's "frame", "size" is the */ -{ /* designated size of curses_win's ncurses WINDOW. */ - WINDOW * curses_win; /* If Frame is WinMeta's "padframe", curses_win is */ - struct yx_uint16 size; /* the ncurses pad representing the virtual screen */ -}; /* and "size" desribes the terminal screen size. */ - struct Win { struct Win * prev; /* chain pointers; if 0, they mark the start or end */ struct Win * next; /* of the chain; if both are 0, Win is outside chain */ - struct yx_uint16 start; /* upper left corner of "frame" WINDOW */ + struct yx_uint16 framesize; /* window frame size to see winmap through */ + struct yx_uint16 start; /* upper left corner of window in pad */ struct yx_uint16 center; /* window content center to focus window on */ char * title; /* title to be used in window title bar */ void (* draw) (struct Win *); /* how to draw window content ("data") */ - struct Frame frame; void * data; /* window content to be drawn by _draw() */ + chtype * winmap; /* sequence of cells, sorted into lines ... */ + struct yx_uint16 winmapsize; /* ... with these geometry infos */ }; @@ -76,10 +71,11 @@ struct Win struct WinMeta { WINDOW * screen; /* ncurses' pointer to the terminal screen */ + WINDOW * pad; /* ncurses pad of virtual screen */ + uint16_t pad_offset; /* number of cells view is moved to the right */ + struct yx_uint16 padsize; /* virtual screen size */ struct Win * chain_start; /* first Win in chain; its _prev == 0 */ struct Win * chain_end; /* last Win in chain; its _next == 0 */ - uint16_t pad_offset; /* number of cells view is moved to the right */ - struct Frame padframe; /* virtual screen fitted into terminal screen */ struct Win * active; /* Win highlighted/selected for manipulation */ };