+++ /dev/null
-/* src/client/windows.c
- *
- * This file is part of PlomRogue. PlomRogue is licensed under the GPL version 3
- * or any later version. For details on its copyright, license, and warranties,
- * see the file NOTICE in the root directory of the PlomRogue source package.
- */
-
-#define _POSIX_C_SOURCE 200809L /* strnlen() */
-#include "windows.h"
-#include <ncurses.h> /* chtype, getmaxx(), getmaxy(), erase(), werase(),
- * endwin(), delwin(), wnoutrefresh(), pnoutrefresh(),
- * doupdate(), refresh(), delwin(), newpad(), mvwaddch(),
- * mvwaddstr()
- */
-#include <stddef.h> /* NULL */
-#include <stdint.h> /* uint8_t, uint16_t, uint32_t, UINT16_MAX */
-#include <stdio.h> /* sprintf() */
-#include <stdlib.h> /* free() */
-#include <string.h> /* memcpy(), strlen(), strnlen(), memset() */
-#include "../common/rexit.h" /* exit_trouble(), exit_err() */
-#include "../common/try_malloc.h" /* try_malloc() */
-#include "draw_wins.h" /* draw_winconf_geometry(), draw_winconf_keybindings(),
- * draw_win_inventory(), draw_win_info(), draw_win_log(),
- * draw_win_keybindings_winconf_keybindings(),
- * draw_win_keybindings_winconf_geometry(),
- * draw_win_keybindings_global(), draw_win_map(),
- * draw_win_terrain_stack()
- */
-#include "wincontrol.h" /* toggle_window() */
-#include "world.h" /* world */
-
-
-
-/* Calculate "id"'s window's size from v_screen size and .target_(height/width).
- * A .target_width == 0 makes the window as wide as .t_screen. .target_height ==
- * 0 sets the maximum allowed height: one cell smaller than that of .v_screen.
- * Negative values make width/height so many cells smaller than what 0 would
- * set. Values that would reduce the window height or width to less than 1 cell
- * according to the aforementioned rules set the height/width as if they were 0.
- */
-static void init_win_size_from_winconf_and_v_screen_size(char id);
-
-/* Get (Win->draw) function identified by "c"; NULL if c not mapped to one.
- * match_func() is just a little helper to it.
- */
-static uint8_t match_func(char c, void (** f) (), char c_m, void (* f_m) ());
-static void (* get_drawfunc_by_char(char c)) ();
-
-/* Iterate over chars of world.winDB.ids array / string. Restart after \0.*/
-static char get_next_win_id();
-
-/* Draw scroll hint (a line saying that there are "dist" more elements of "unit"
- * further into the direction symbolized by "dir") into .v_screen, onto an
- * appropriate edge of a window or .v_screen; the left/right edge if "dir" is
- * "<"/">", or the top/bottom edge if it is "^"/"v". Use "start" as the start
- * coordinate of the frame that is to contain the scroll hints. winscroll_hint()
- * is a wrapper that uses the border of window "w" as this frame.
- */
-static void scroll_hint(struct yx_uint16 fsize, char dir, uint16_t dist,
- char * unit, struct yx_uint16 start);
-static void winscroll_hint(struct Win * w, char dir, uint16_t dist);
-
-/* draw_win_borderlines() draws vertical/horizontal borders of window "w" sans
- * corners into .v_screen. It draws the top border line as the windows' title
- * bar (highlighted if the window is selected as active). It is called
- * recursively by draw_wins_borderlines() on all windows from "w" on.
- * draw_wins_bordercorners() draws the border corners of "w" and its successors.
- */
-static void draw_win_borderlines(struct Win * w);
-static void draw_wins_borderlines(struct Win * w);
-static void draw_wins_bordercorners(struct Win * w);
-
-/* Draw contents of all windows in window chain from window "w" onwards. */
-static void draw_wins(struct Win * w);
-
-
-
-static void init_win_size_from_winconf_and_v_screen_size(char id)
-{
- struct Win * w = get_win_by_id(id);
- w->frame_size.y = world.winDB.v_screen_size.y - 1;
- if ( 0 < w->target_height
- && w->target_height <= world.winDB.v_screen_size.y - 1)
- {
- w->frame_size.y = w->target_height;
- }
- else if ( 0 > w->target_height
- && world.winDB.v_screen_size.y + (w->target_height - 1) > 0)
- {
- w->frame_size.y = world.winDB.v_screen_size.y + (w->target_height - 1);
- }
- w->frame_size.x = world.winDB.v_screen_size.x;
- if (0 < w->target_width)
- {
- w->frame_size.x = w->target_width;
- }
- else if ( 0 > w->target_width
- && world.winDB.v_screen_size.x + w->target_width > 0)
- {
- w->frame_size.x = world.winDB.v_screen_size.x + w->target_width;
- }
-}
-
-
-
-static uint8_t match_func(char c, void (** f) (), char c_m, void (* f_m) ())
-{
- if (c == c_m)
- {
- * f = f_m;
- return 1;
- }
- return 0;
-}
-
-
-
-static void (* get_drawfunc_by_char(char c)) ()
-{
- void (* f) (struct Win *) = NULL;
- if ( match_func(c, &f, 'c', draw_win_inventory)
- || match_func(c, &f, 's', draw_win_terrain_stack)
- || match_func(c, &f, 'i', draw_win_info)
- || match_func(c, &f, 'l', draw_win_log)
- || match_func(c, &f, 'm', draw_win_map)
- || match_func(c, &f, '0', draw_win_keybindings_global)
- || match_func(c, &f, '1', draw_win_keybindings_winconf_geometry)
- || match_func(c, &f, '2', draw_win_keybindings_winconf_keybindings))
- {
- ;
- }
- return f;
-}
-
-
-
-static char get_next_win_id()
-{
- static uint8_t i = 0;
- char c = world.winDB.ids[i];
- if (0 == c)
- {
- i = 0;
- return c;
- }
- i++;
- return c;
-}
-
-
-
-static void scroll_hint(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 = fsize.x;
- if ('<' == dir || '>' == dir)
- {
- dsc_space = fsize.y;
- } /* vv-- 10 = max strlen for uint16_t */
- uint16_t size = 1 + strlen(more) + 1 + 10 + 1 + strlen(unit) + 1 + 1;
- char * scrolldsc = try_malloc(size, __func__);
- int test = sprintf(scrolldsc, " %d %s %s ", dist, more, unit);
- exit_trouble(test < 0, __func__, "sprintf");
-
- /* Decide on offset of the description text inside the scroll hint line. */
- uint16_t dsc_offset = 1;
- if (dsc_space > strlen(scrolldsc) + 1)
- {
- dsc_offset = (dsc_space - strlen(scrolldsc)) / 2;
- }
-
- /* Draw scroll hint line as dir symbols bracketing description text. */
- uint16_t draw_offset = 0;
- if ('>' == dir)
- {
- draw_offset = fsize.x - 1;
- }
- else if ('v' == dir)
- {
- draw_offset = fsize.y - 1;
- }
- uint16_t q = 0;
- for (; q < dsc_space; q++)
- {
- chtype c = dir | A_REVERSE;
- if (q >= dsc_offset && q < strlen(scrolldsc) + dsc_offset)
- {
- c = scrolldsc[q - dsc_offset] | A_REVERSE;
- }
- if ('<' == dir || '>' == dir)
- {
- mvwaddch(world.winDB.v_screen, start.y+q, start.x+draw_offset, c);
- continue;
- }
- mvwaddch(world.winDB.v_screen, start.y + draw_offset, start.x + q, c);
- }
- free(scrolldsc);
-}
-
-
-
-static void winscroll_hint(struct Win * w, char dir, uint16_t dist)
-{
- char * unit = "lines";
- if ('<' == dir || '>' == dir)
- {
- unit = "columns";
- }
- struct yx_uint16 start = w->start;
- scroll_hint(w->frame_size, dir, dist, unit, start);
-}
-
-
-
-static void draw_win_borderlines(struct Win * w)
-{
- /* Draw vertical and horizontal border lines. */
- uint16_t y, x;
- for (y = w->start.y; y <= w->start.y + w->frame_size.y; y++)
- {
- mvwaddch(world.winDB.v_screen, y, w->start.x - 1, '|');
- mvwaddch(world.winDB.v_screen, y, w->start.x + w->frame_size.x, '|');
- }
- for (x = w->start.x; x <= w->start.x + w->frame_size.x; x++)
- {
- mvwaddch(world.winDB.v_screen, w->start.y - 1, x, '-');
- mvwaddch(world.winDB.v_screen, w->start.y + w->frame_size.y, x, '-');
- }
-
- /* Draw as much as possible of the title into center of top border line. */
- uint8_t min_title_length_visible = 3;/* min. 1 char +2 padding/decoration*/
- if (w->frame_size.x >= min_title_length_visible)
- {
- uint16_t offset = 0;
- if (w->frame_size.x > strlen(w->title) + 2)
- {
- offset = (w->frame_size.x - (strlen(w->title) + 2)) / 2;
- } /* +2 is for padding/decoration */
- uint16_t length_visible = strnlen(w->title, w->frame_size.x - 2);
- char * title = try_malloc(length_visible + 3, "draw_win_borderlines");
- char decoration = ' ';
- if (w->id == world.winDB.active)
- {
- decoration = '$';
- }
- memcpy(title + 1, w->title, length_visible);
- title[0] = title[length_visible + 1] = decoration;
- title[length_visible + 2] = '\0';
- mvwaddstr(world.winDB.v_screen, w->start.y-1, w->start.x+offset, title);
- free(title);
- }
-}
-
-
-
-static void draw_wins_borderlines(struct Win * w)
-{
- draw_win_borderlines(w);
- struct Win * next = get_win_after(w->id);
- if (next)
- {
- draw_wins_borderlines(next);
- }
-}
-
-
-
-static void draw_wins_bordercorners(struct Win * w)
-{
- mvwaddch(world.winDB.v_screen,
- w->start.y - 1, w->start.x - 1, '+');
- mvwaddch(world.winDB.v_screen,
- w->start.y - 1, w->start.x + w->frame_size.x, '+');
- mvwaddch(world.winDB.v_screen,
- w->start.y + w->frame_size.y, w->start.x - 1, '+');
- mvwaddch(world.winDB.v_screen, w->start.y + w->frame_size.y,
- w->start.x + w->frame_size.x, '+');
- struct Win * next = get_win_after(w->id);
- if (next)
- {
- draw_wins_bordercorners(next);
- }
-}
-
-
-
-static void draw_wins(struct Win * w)
-{
- void (* drawfunc) (struct Win *) = get_drawfunc_by_char(w->id);
- if (1 == w->view)
- {
- drawfunc = draw_winconf_geometry;
- }
- else if (2 == w->view)
- {
- drawfunc = draw_winconf_keybindings;
- }
- drawfunc(w);
- uint16_t size_y = w->winmap_size.y;
- uint16_t size_x = w->winmap_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);
- uint16_t y, x;
- for (y = offset_y; y < w->frame_size.y + offset_y && y < size_y; y++)
- {
- for (x = offset_x; x < w->frame_size.x + offset_x && x < size_x; x++)
- {
- chtype ch = w->winmap[(y * w->winmap_size.x) + x];
- mvwaddch(world.winDB.v_screen, w->start.y + (y - offset_y),
- w->start.x + (x - offset_x), ch);
- }
- }
- free(w->winmap); /* NULL so draw_wins.c's try_resize_winmap() may always */
- w->winmap = NULL;/* free() it before (re-)allocation, even the first time.*/
- memset(&w->winmap_size, 0, sizeof(struct yx_uint16));
- if (offset_y > 0)
- {
- winscroll_hint(w, '^', offset_y + 1);
- }
- if (size_y > offset_y + w->frame_size.y)
- {
- winscroll_hint(w, 'v', size_y - ((offset_y + w->frame_size.y) - 1));
- }
- if (offset_x > 0)
- {
- winscroll_hint(w, '<', offset_x + 1);
- }
- if (size_x > offset_x + w->frame_size.x)
- {
- winscroll_hint(w, '>', size_x - ((offset_x + w->frame_size.x) - 1));
- }
- struct Win * next = get_win_after(w->id);
- if (next)
- {
- draw_wins(next);
- }
-}
-
-
-
-extern uint8_t get_win_pos_in_order(char c)
-{
- uint8_t i;
- for (i = 0; c != world.winDB.order[i]; i++);
- return i;
-}
-
-
-
-extern struct Win * get_win_after(char c)
-{
- return get_win_by_id(world.winDB.order[get_win_pos_in_order(c) + 1]);
-}
-
-
-
-extern uint16_t center_offset(uint16_t position, uint32_t mapsize,
- uint32_t frame_size)
-{
- uint16_t offset = 0;
- if (mapsize > frame_size)
- {
- if (position > frame_size / 2)
- {
- if (position < mapsize - (frame_size / 2))
- {
- offset = position - (frame_size / 2);
- }
- else
- {
- offset = mapsize - frame_size;
- }
- }
- }
- return offset;
-}
-
-
-
-extern struct Win * get_win_by_id(char id)
-{
- uint8_t i = 0;
- while ('\0' != world.winDB.ids[i])
- {
- if (id == world.winDB.ids[i])
- {
- return &world.winDB.wins[i];
- }
- i++;
- }
- return NULL;
-}
-
-
-
-extern void make_v_screen_and_init_win_sizes()
-{
- char * err_s = "creating an illegaly large virtual screen";
- char * err_m = "triggering a memory allocation error via newpad";
- uint32_t maxy_test = getmaxy(world.winDB.t_screen);
- uint32_t maxx_test = getmaxx(world.winDB.t_screen);
- exit_trouble(maxy_test>UINT16_MAX || maxx_test>UINT16_MAX, __func__, err_s);
- world.winDB.v_screen_size.y = maxy_test;
- world.winDB.v_screen_size.x = maxx_test;
- world.winDB.v_screen = newpad(world.winDB.v_screen_size.y, 1);
- exit_trouble(!world.winDB.v_screen, __func__, err_m);
- char id;
- while (0 != (id = get_next_win_id()))
- {
- init_win_size_from_winconf_and_v_screen_size(id);
- }
-}
-
-
-
-extern void free_winDB()
-{
- char id;
- while (0 != (id = get_next_win_id()))
- {
- struct Win * wc = get_win_by_id(id);
- free(wc->title);
- free(wc->kb.kbs);
- }
- free(world.winDB.ids);
- free(world.winDB.wins);
- free(world.winDB.order);
-}
-
-
-
-extern void winch_called()
-{
- world.winch = 1;
-}
-
-
-
-extern void reset_windows_on_winch()
-{
- endwin(); /* "[S]tandard way" to recalibrate ncurses post SIGWINCH, says */
- refresh(); /* <http://invisible-island.net/ncurses/ncurses-intro.html>. */
- char * tmp_order = try_malloc(strlen(world.winDB.order) + 1, __func__);
- int test = sprintf(tmp_order, "%s", world.winDB.order);
- exit_trouble(test < 0, __func__, "sprintf");
- uint8_t i;
- char tmp_active = world.winDB.active;
- for (i = 0; i < strlen(tmp_order); toggle_window(tmp_order[i]), i++);
- delwin(world.winDB.v_screen);
- make_v_screen_and_init_win_sizes();
- for (i = 0; i < strlen(tmp_order); toggle_window(tmp_order[i]), i++);
- free(tmp_order);
- world.winDB.active = tmp_active;
-}
-
-
-
-extern void draw_all_wins()
-{
- /* Empty everything before filling it a-new. */
- erase();
- wnoutrefresh(world.winDB.t_screen);
- werase(world.winDB.v_screen);
- if (world.winDB.active)
- {
-
- /* Draw borders, wins. Order matters: corners should overwrite lines. */
- draw_wins_borderlines(get_win_by_id(world.winDB.order[0]));
- draw_wins_bordercorners(get_win_by_id(world.winDB.order[0]));
- draw_wins(get_win_by_id(world.winDB.order[0]));
-
- /* Draw .v_screen scroll hints. */
- struct yx_uint16 start;
- start.y = 0;
- start.x = world.winDB.v_screen_offset;
- char * cols_string = "columns";
- if (world.winDB.v_screen_offset > 0)
- {
- scroll_hint(world.winDB.v_screen_size, '<',
- world.winDB.v_screen_offset + 1, cols_string, start);
- }
- uint16_t size_x = getmaxx(world.winDB.v_screen);
- uint16_t right_edge = world.winDB.v_screen_offset
- + world.winDB.v_screen_size.x;
- if (right_edge < size_x - 1)
- {
- scroll_hint(world.winDB.v_screen_size, '>',
- size_x - right_edge, cols_string, start);
- }
-
- /* Put .v_screen segment to be shown on .t_screen to .t_screen buffer.*/
- pnoutrefresh(world.winDB.v_screen, 0, world.winDB.v_screen_offset, 0, 0,
- world.winDB.v_screen_size.y,
- world.winDB.v_screen_size.x - 1);
- }
-
- /* Only at the end write accumulated changes to .t_screen. */
- doupdate();
-}
projects / plomrogue / blobdiff