/* src/client/windows.c */
+#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> /* strlen(), memcpy(), strnlen() */
-#include <ncurses.h> /* chtype, pnoutrefresh(), doupdate(), werase(), erase(),
- * wnoutrefresh(), getmaxx(), getmaxy(), mvwaddstr(),
- * mvwaddch(), mvwaddstr(), wresize()
- */
-#include "../common/rexit.h" /* for exit_err() */
-#include "../common/try_malloc.h" /* for try_malloc() */
-#include "../common/yx_uint16.h" /* for struct yx_uint16 */
-#include "misc.h" /* for center_offset() */
-#include "world.h" /* for world global */
-
-
-
-
-/* Make virtual screen just wide enough to contain all visible windows. */
-static void refit_pad();
+#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_available_keybindings(), draw_win_map(),
+ * draw_win_keybindings_winconf_keybindings(),
+ * draw_win_keybindings_winconf_geometry(),
+ * draw_win_keybindings_global()
+ */
+#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);
-/* Update geometry (sizes, positions) of window "w" and its successors in the
- * window chain. Use place_win() for the positioning algorithm.
+/* Get (Win->draw) function identified by "c"; NULL if c not mapped to one.
+ * match_func() is just a little helper to it.
*/
-static void update_wins(struct Win * w);
-static void place_win(struct Win * w);
+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 virtual screen, onto an
- * appropriate edge of a window or the screen; the left/right edge if "dir" is
- * "<"/">", or the top/bottom edge if it is "^"/"v". "start" be either the start
- * coordinate of a window's frame, or .y=0, .x=wm->pad_offset for the virtual
- * screen. winscroll_hint() and padscroll_hint() are wrappers to both cases.
+ * 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);
-static void padscroll_hint(char dir, uint16_t dist);
-
-/* Draw contents of all windows in window chain from window "w" onwards. */
-static void draw_wins(struct Win * w);
/* draw_win_borderlines() draws vertical/horizontal borders of window "w" sans
- * corners into the virtual screen. It draws the top border line as the windows'
- * title bar (highlighted if the window is selected as active). It is called
+ * 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_wins_borderlines(struct Win * w);
static void draw_wins_bordercorners(struct Win * w);
-/* Shift active window forwards / backwards in window chain. */
-static void shift_win_forward();
-static void shift_win_backward();
+/* Draw contents of all windows in window chain from window "w" onwards. */
+static void draw_wins(struct Win * w);
-static void refit_pad()
+static void init_win_size_from_winconf_and_v_screen_size(char id)
{
- /* Determine rightmost window column. */
- uint32_t lastwcol = 0;
- struct Win * wp = world.wins.chain_start;
- while (wp != 0)
+ 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)
{
- if ((uint32_t) wp->start.x + (uint32_t) wp->framesize.x > lastwcol + 1)
- {
- lastwcol = (uint32_t) wp->start.x + (uint32_t) wp->framesize.x - 1;
- }
- wp = wp->next;
+ w->frame_size.y = w->target_height;
}
-
- /* Only resize the pad if the rightmost window column has changed. */
- char * err_s = "refit_pad() extends virtual screen beyond legal sizes.";
- char * err_m = "refit_pad() triggers memory alloc error via wresize().";
- if (getmaxx(world.wins.pad) + 1 != lastwcol)
+ 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)
{
- uint8_t t = (lastwcol + 2 > UINT16_MAX);
- exit_err(t, err_s);
- t = wresize(world.wins.pad, getmaxy(world.wins.pad), lastwcol + 2);
- exit_err(t, err_m);
+ 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 void update_wins(struct Win * w)
+static uint8_t match_func(char c, void (** f) (), char c_m, void (* f_m) ())
{
- place_win(w);
- refit_pad();
- if (0 != w->next)
+ if (c == c_m)
{
- update_wins(w->next);
+ * f = f_m;
+ return 1;
}
+ return 0;
}
-static void place_win(struct Win * w)
+static void (* get_drawfunc_by_char(char c)) ()
{
- /* If w is first window, it goes into the top left corner. */
- w->start.x = 0;
- w->start.y = 1; /* Leave space for title bar. */
- if (0 != w->prev)
- {
+ void (* f) (struct Win *) = NULL;
+ if ( match_func(c, &f, 'c', draw_win_inventory)
+ || match_func(c, &f, 'i', draw_win_info)
+ || match_func(c, &f, 'l', draw_win_log)
+ || match_func(c, &f, 'k', draw_win_available_keybindings)
+ || 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;
+}
- /* If not, fit w's top left to top right of last top predecessor. */
- struct Win * w_top = w->prev;
- while (w_top->start.y != 1)
- {
- w_top = w_top->prev;
- }
- w->start.x = w_top->start.x + w_top->framesize.x + 1;
- /* Fit w's top left to bottom left of its ->prev if enough space. */
- uint16_t w_prev_maxy = w->prev->start.y + w->prev->framesize.y;
- if ( w->framesize.x <= w->prev->framesize.x
- && w->framesize.y < world.wins.padsize.y - w_prev_maxy)
- {
- w->start.x = w->prev->start.x;
- w->start.y = w_prev_maxy + 1;
- }
- /* Failing that, try to fit w' top left to the top right of the last
- * predecessor w_test 1) not followed by windows with a left corner
- * further rightwards than its own 2) with enough space rightwards for w
- * until the bottom right of w_thr directly throning over it 3) and with
- * this same space extending far enough to the bottom for fitting in w.
- */
- else
- {
- struct Win * w_test = w->prev;
- struct Win * w_thr;
- while (w_test != w_top)
- {
- w_thr = w_test->prev;
- for (; w_test->start.y <= w_thr->start.y; w_thr = w_thr->prev);
- uint16_t w_thr_bottom = w_thr->start.y + w_thr->framesize.y;
- uint16_t free_width = (w_thr->start.x + w_thr->framesize.x)
- - (w_test->start.x + w_test->framesize.x);
- if ( w->framesize.y < world.wins.padsize.y - w_thr_bottom
- && w->framesize.x < free_width)
- {
- w->start.x = w_test->start.x + w_test->framesize.x + 1;
- w->start.y = w_thr_bottom + 1;
- break;
- }
- w_test = w_thr;
- }
- }
+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)
{
+ char * f_name = "sprintf()";
+
/* Decide on alignment (vertical/horizontal?), thereby hint text space. */
char * more = "more";
uint16_t dsc_space = fsize.x;
{
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);
+ uint16_t size = 1 + strlen(more) + 1 + 10 + 1 + strlen(unit) + 1 + 1;
+ char * scrolldsc = try_malloc(size, f_name);
+ int test = sprintf(scrolldsc, " %d %s %s ", dist, more, unit);
+ exit_trouble(test < 0, f_name, "sprintf()");
/* Decide on offset of the description text inside the scroll hint line. */
uint16_t dsc_offset = 1;
}
if ('<' == dir || '>' == dir)
{
- mvwaddch(world.wins.pad, start.y + q, start.x + draw_offset, c);
+ mvwaddch(world.winDB.v_screen, start.y+q, start.x+draw_offset, c);
continue;
}
- mvwaddch(world.wins.pad, start.y + draw_offset, start.x + q, c);
+ mvwaddch(world.winDB.v_screen, start.y + draw_offset, start.x + q, c);
}
-}
-
-
-static void padscroll_hint(char dir, uint16_t dist)
-{
- struct yx_uint16 start;
- start.y = 0;
- start.x = world.wins.pad_offset;
- scroll_hint(world.wins.padsize, dir, dist, "columns", start);
+ free(scrolldsc);
}
unit = "columns";
}
struct yx_uint16 start = w->start;
- scroll_hint(w->framesize, dir, dist, unit, start);
-}
-
-
-
-static void draw_wins(struct Win * w)
-{
- w->draw(w);
- uint16_t size_y = w->winmapsize.y;
- uint16_t 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);
- uint16_t y, x;
- for (y = offset_y; y < w->framesize.y + offset_y && y < size_y; y++)
- {
- for (x = offset_x; x < w->framesize.x + offset_x && x < size_x; x++)
- {
- chtype ch = w->winmap[(y * w->winmapsize.x) + x];
- mvwaddch(world.wins.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(w, '^', offset_y + 1);
- }
- if (size_y > offset_y + w->framesize.y)
- {
- winscroll_hint(w, 'v', size_y - ((offset_y + w->framesize.y) - 1));
- }
- if (offset_x > 0)
- {
- winscroll_hint(w, '<', offset_x + 1);
- }
- if (size_x > offset_x + w->framesize.x)
- {
- winscroll_hint(w, '>', size_x - ((offset_x + w->framesize.x) - 1));
- }
- if (0 != w->next)
- {
- return draw_wins(w->next);
- }
+ scroll_hint(w->frame_size, dir, dist, unit, start);
}
{
/* Draw vertical and horizontal border lines. */
uint16_t y, x;
- for (y = w->start.y; y <= w->start.y + w->framesize.y; y++)
+ for (y = w->start.y; y <= w->start.y + w->frame_size.y; y++)
{
- mvwaddch(world.wins.pad, y, w->start.x - 1, '|');
- mvwaddch(world.wins.pad, y, w->start.x + w->framesize.x, '|');
+ 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->framesize.x; x++)
+ for (x = w->start.x; x <= w->start.x + w->frame_size.x; x++)
{
- mvwaddch(world.wins.pad, w->start.y - 1, x, '-');
- mvwaddch(world.wins.pad, w->start.y + w->framesize.y, 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. */
- char min_title_length_visible = 3; /* min. 1 char + 2 padding/decoration */
- if (w->framesize.x >= min_title_length_visible)
+ uint8_t min_title_length_visible = 3;/* min. 1 char +2 padding/decoration*/
+ if (w->frame_size.x >= min_title_length_visible)
{
- uint16_t title_offset = 0;
- if (w->framesize.x > strlen(w->title) + 2)
+ uint16_t offset = 0;
+ if (w->frame_size.x > strlen(w->title) + 2)
{
- title_offset = (w->framesize.x - (strlen(w->title) + 2)) / 2;
+ offset = (w->frame_size.x - (strlen(w->title) + 2)) / 2;
} /* +2 is for padding/decoration */
- uint16_t length_visible = strnlen(w->title, w->framesize.x - 2);
- char title[length_visible + 3];
+ 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 == world.wins.win_active)
+ 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.wins.pad,
- w->start.y - 1, w->start.x + title_offset, title);
+ 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);
- if (0 != w->next)
+ struct Win * next = get_win_after(w->id);
+ if (next)
{
- draw_wins_borderlines(w->next);
+ draw_wins_borderlines(next);
}
}
static void draw_wins_bordercorners(struct Win * w)
{
- mvwaddch(world.wins.pad, w->start.y - 1, w->start.x - 1, '+');
- mvwaddch(world.wins.pad, w->start.y - 1, w->start.x + w->framesize.x, '+');
- mvwaddch(world.wins.pad, w->start.y + w->framesize.y, w->start.x - 1, '+');
- mvwaddch(world.wins.pad, w->start.y + w->framesize.y,
- w->start.x + w->framesize.x, '+');
- if (0 != w->next)
- {
- draw_wins_bordercorners(w->next);
+ 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 shift_win_forward()
+static void draw_wins(struct Win * w)
{
- if (world.wins.win_active == world.wins.chain_end)
- {
- world.wins.chain_end = world.wins.win_active->prev;
- world.wins.chain_end->next = 0;
- world.wins.win_active->next = world.wins.chain_start;
- world.wins.win_active->next->prev = world.wins.win_active;
- world.wins.chain_start = world.wins.win_active;
- world.wins.chain_start->prev = 0;
- }
- else
+ void (* drawfunc) (struct Win *) = get_drawfunc_by_char(w->id);
+ if (1 == w->view)
{
- struct Win * old_prev = world.wins.win_active->prev;
- struct Win * old_next = world.wins.win_active->next;
- if (world.wins.chain_end == world.wins.win_active->next)
- {
- world.wins.chain_end = world.wins.win_active;
- world.wins.win_active->next = 0;
- }
- else
- {
- world.wins.win_active->next = old_next->next;
- world.wins.win_active->next->prev = world.wins.win_active;
- }
- if (world.wins.chain_start == world.wins.win_active)
- {
- world.wins.chain_start = old_next;
- }
- else
- {
- old_prev->next = old_next;
- }
- old_next->prev = old_prev;
- old_next->next = world.wins.win_active;
- world.wins.win_active->prev = old_next;
+ drawfunc = draw_winconf_geometry;
}
-}
-
-
-
-static void shift_win_backward()
-{
- if (world.wins.win_active == world.wins.chain_start)
+ else if (2 == w->view)
{
- world.wins.chain_start = world.wins.win_active->next;
- world.wins.chain_start->prev = 0;
- world.wins.win_active->prev = world.wins.chain_end;
- world.wins.win_active->prev->next = world.wins.win_active;
- world.wins.chain_end = world.wins.win_active;
- world.wins.chain_end->next = 0;
+ drawfunc = draw_winconf_keybindings;
}
- else
+ 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++)
{
- struct Win * old_prev = world.wins.win_active->prev;
- struct Win * old_next = world.wins.win_active->next;
- if (world.wins.chain_start == world.wins.win_active->prev)
- {
- world.wins.chain_start = world.wins.win_active;
- world.wins.win_active->prev = 0;
- }
- else
- {
- world.wins.win_active->prev = old_prev->prev;
- world.wins.win_active->prev->next = world.wins.win_active;
- }
- if (world.wins.chain_end == world.wins.win_active)
+ for (x = offset_x; x < w->frame_size.x + offset_x && x < size_x; x++)
{
- world.wins.chain_end = old_prev;
+ 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);
}
- else
- {
- old_next->prev = old_prev;
- }
- old_prev->next = old_next;
- old_prev->prev = world.wins.win_active;
- world.wins.win_active->next = old_prev;
}
-}
-
-
-
-extern void make_pad()
-{
- char * err_s = "make_pad() creates an illegaly large virtual screen.";
- char * err_m = "make_pad() triggers memory allocation error via newpad().";
- uint32_t maxy_test = getmaxy(world.wins.screen);
- uint32_t maxx_test = getmaxx(world.wins.screen);
- exit_err(maxy_test > UINT16_MAX || maxx_test > UINT16_MAX, err_s);
- world.wins.padsize.y = maxy_test;
- world.wins.padsize.x = maxx_test;
- world.wins.pad = newpad(world.wins.padsize.y, 1);
- exit_err(NULL == world.wins.pad, err_m);
-}
-
-
-
-extern void init_win(struct Win ** wp, char * title, int16_t height,
- int16_t width, void * func)
-{
- char * f_name = "init_win()";
- struct Win * w = try_malloc(sizeof(struct Win), f_name);
- w->prev = 0;
- w->next = 0;
- w->winmapsize.y = 0;
- w->winmapsize.x = 0;
- w->winmap = NULL;
- w->title = try_malloc(strlen(title) + 1, f_name);
- sprintf(w->title, "%s", title);
- w->draw = func;
- w->center.y = 0;
- w->center.x = 0;
- w->framesize.y = world.wins.padsize.y - 1;
- if (0 < height && height <= world.wins.padsize.y - 1)
+ 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)
{
- w->framesize.y = height;
+ winscroll_hint(w, '^', offset_y + 1);
}
- else if (0 > height && world.wins.padsize.y + (height - 1) > 0)
+ if (size_y > offset_y + w->frame_size.y)
{
- w->framesize.y = world.wins.padsize.y + (height - 1);
+ winscroll_hint(w, 'v', size_y - ((offset_y + w->frame_size.y) - 1));
+ }
+ if (offset_x > 0)
+ {
+ winscroll_hint(w, '<', offset_x + 1);
}
- w->framesize.x = world.wins.padsize.x;
- if (0 < width)
+ if (size_x > offset_x + w->frame_size.x)
{
- w->framesize.x = width;
+ winscroll_hint(w, '>', size_x - ((offset_x + w->frame_size.x) - 1));
}
- else if (0 > width && world.wins.padsize.x + width > 0)
+ struct Win * next = get_win_after(w->id);
+ if (next)
{
- w->framesize.x = world.wins.padsize.x + width;
+ draw_wins(next);
}
- *wp = w;
}
-extern void free_win(struct Win * win)
+extern uint8_t get_win_pos_in_order(char c)
{
- free(win->title);
- free(win);
+ uint8_t i;
+ for (i = 0; c != world.winDB.order[i]; i++);
+ return i;
}
-extern void append_win(struct Win * w)
+extern struct Win * get_win_after(char c)
{
- if (0 != world.wins.chain_start)
- {
- w->prev = world.wins.chain_end;
- world.wins.chain_end->next = w;
- }
- else
- {
- world.wins.win_active = w;
- world.wins.chain_start = w;
- }
- world.wins.chain_end = w;
- update_wins(w);
+ return get_win_by_id(world.winDB.order[get_win_pos_in_order(c) + 1]);
}
-extern void suspend_win(struct Win * w)
+extern uint16_t center_offset(uint16_t position, uint32_t mapsize,
+ uint32_t frame_size)
{
- if (world.wins.chain_start != w)
+ uint16_t offset = 0;
+ if (mapsize > frame_size)
{
- w->prev->next = w->next;
- }
- else
- {
- world.wins.chain_start = w->next;
- }
- uint8_t pad_refitted = 0;
- if (world.wins.chain_end != w)
- {
- w->next->prev = w->prev;
- if (world.wins.win_active == w)
+ if (position > frame_size / 2)
{
- world.wins.win_active = w->next;
+ if (position < mapsize - (frame_size / 2))
+ {
+ offset = position - (frame_size / 2);
+ }
+ else
+ {
+ offset = mapsize - frame_size;
+ }
}
- update_wins(w->next); /* Positioning of successor windows may be */
- pad_refitted = 1; /* affected / need correction. Note that */
- } /* update_wins() already refits the pad, */
- else /* voiding later need for that. */
+ }
+ return offset;
+}
+
+
+
+extern struct Win * get_win_by_id(char id)
+{
+ uint8_t i = 0;
+ while ('\0' != world.winDB.ids[i])
{
- world.wins.chain_end = w->prev;
- if (world.wins.win_active == w)
+ if (id == world.winDB.ids[i])
{
- world.wins.win_active = w->prev;
+ return &world.winDB.wins[i];
}
+ i++;
}
- w->prev = 0;
- w->next = 0;
- if (0 == pad_refitted)
- {
- refit_pad();
- }
+ return NULL;
}
-extern void reset_pad_offset(uint16_t new_offset)
+extern void make_v_screen_and_init_win_sizes()
{
- if (new_offset >= 0
- && (new_offset < world.wins.pad_offset
- || new_offset + world.wins.padsize.x < getmaxx(world.wins.pad)))
- {
- world.wins.pad_offset = new_offset;
+ char * f_name = "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, f_name, 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(NULL == world.winDB.v_screen, f_name, err_m);
+ char id;
+ while (0 != (id = get_next_win_id()))
+ {
+ init_win_size_from_winconf_and_v_screen_size(id);
}
}
-extern void resize_active_win(struct yx_uint16 size)
+extern void free_winDB()
{
- if (0 != world.wins.win_active
- && size.x > 0 && size.y > 0 && size.y < world.wins.padsize.y)
+ char id;
+ while (0 != (id = get_next_win_id()))
{
- world.wins.win_active->framesize = size;
- update_wins(world.wins.win_active); /* Positioning of following */
- } /* windows may be affected. */
+ 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 cycle_active_win(char dir)
+extern void winch_called()
{
- if (0 != world.wins.win_active)
- {
- if ('f' == dir)
- {
- if (world.wins.win_active->next != 0)
- {
- world.wins.win_active = world.wins.win_active->next;
- }
- else
- {
- world.wins.win_active = world.wins.chain_start;
- }
- }
- else
- {
- if (world.wins.win_active->prev != 0)
- {
- world.wins.win_active = world.wins.win_active->prev;
- }
- else
- {
- world.wins.win_active = world.wins.chain_end;
- }
- }
- }
+ world.winch = 1;
}
-extern void shift_active_win(char dir)
+extern void reset_windows_on_winch()
{
- if ( 0 == world.wins.win_active /* No shifting with <2 windows visible. */
- || world.wins.chain_start == world.wins.chain_end)
- {
- return;
- }
- if ('f' == dir)
- {
- shift_win_forward();
- update_wins(world.wins.chain_start);
- return;
- }
- shift_win_backward();
- update_wins(world.wins.chain_start);
+ char * f_name = "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, f_name);
+ int test = sprintf(tmp_order, "%s", world.winDB.order);
+ exit_trouble(test < 0, f_name, "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;
}
{
/* Empty everything before filling it a-new. */
erase();
- wnoutrefresh(world.wins.screen);
- werase(world.wins.pad);
- if (world.wins.chain_start)
- {
-
- /* Draw windows' borders first, then windows. */
- draw_wins_borderlines(world.wins.chain_start);
- draw_wins_bordercorners(world.wins.chain_start);
- draw_wins(world.wins.chain_start);
-
- /* Draw virtual screen scroll hints. */
- if (world.wins.pad_offset > 0)
+ 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)
{
- padscroll_hint('<', world.wins.pad_offset + 1);
+ scroll_hint(world.winDB.v_screen_size, '<',
+ world.winDB.v_screen_offset + 1, cols_string, start);
}
- uint16_t size_x = getmaxx(world.wins.pad);
- uint16_t right_edge = world.wins.pad_offset + world.wins.padsize.x;
+ 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)
{
- padscroll_hint('>', size_x - right_edge);
+ scroll_hint(world.winDB.v_screen_size, '>',
+ size_x - right_edge, cols_string, start);
}
- /* Write pad segment to be shown on physical screen to screen buffer. */
- pnoutrefresh(world.wins.pad, 0, world.wins.pad_offset, 0, 0,
- world.wins.padsize.y, world.wins.padsize.x - 1);
+ /* 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 the physical screen. */
+ /* Only at the end write accumulated changes to .t_screen. */
doupdate();
}
projects / plomrogue / blobdiff