/* src/client/windows.c */
#include "windows.h"
+#include <ncurses.h> /* chtype, getmaxx(), getmaxy(), erase(), werase(),
+ * endwin(), delwin(), wnoutrefresh(), pnoutrefresh(),
+ * doupdate(), refresh(), delwin(), newpad(), mvwaddch(),
+ * mvwaddstr(), wresize()
+ */
#include <stddef.h> /* NULL */
+#include <stdlib.h> /* free(), atoi() */
#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> /* pnoutrefresh(), doupdate(), werase(), wnoutrefresh(),
- * erase(), getmaxx(), getmaxy(), delwin(), endwin(),
- * initscr(), noecho(), curs_set(), newpad(), mvwaddch(),
- * mvwaddstr(), wresize(), chtype
- */
-#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 "cleanup.h" /* for set_cleanup_flag() */
-#include "misc.h" /* for center_offset() */
-#include "world.h" /* for world global */
+#include <string.h> /* memcpy(), strlen(), strnlen(), strchr(), memset() */
+#include "../common/err_try_fgets.h" /* err_try_fgets(), err_line() */
+#include "../common/readwrite.h" /* try_fputc(), try_write(), try_fgetc() */
+#include "../common/rexit.h" /* exit_trouble(), exit_err() */
+#include "../common/try_malloc.h" /* try_malloc() */
+#include "../common/yx_uint16.h" /* struct yx_uint16 */
+#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 "keybindings.h" /* write_keybidings_to_file(),
+ * read_keybindings_from_file()
+ */
+#include "misc.h" /* array_append() */
+#include "world.h" /* global world */
+
+
+
+/* Get position of id "c" in world.winDB.order or return Win before/after (or
+ * NULL if there is no window before/after).
+ */
+static uint8_t get_pos_in_order(char c);
+static struct Win * get_win_after(char c);
+static struct Win * get_win_before(char c);
+
+/* 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);
+/* Write "win"'s size back to .target_(height/width) as per .target_*_type. */
+static void set_win_target_size(struct Win * win);
+/* Iterate over chars of world.winDB.ids array / string. Restart after \0.*/
+static char get_next_win_id();
-/* Make virtual screen just wide enough to contain all visible windows. */
-static void refit_pad();
+/* Make .v_screen just wide enough to contain all visible windows. */
+static void refit_v_screen();
/* Update geometry (sizes, positions) of window "w" and its successors in the
* window chain. Use place_win() for the positioning algorithm.
static void place_win(struct Win * w);
/* 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);
+
+/* Append/suspend window "w" to/from chain of visible windows. Appended windows
+ * will become active. Suspended active windows will move the active window
+ * selection to their successor in the window chain or, failing that, their
+ * predecessor, or, failing that, to 0 (no window active).
+ */
+static void append_win(struct Win * w);
+static void suspend_win(struct Win * w);
+
+
+
+static uint8_t get_pos_in_order(char c)
+{
+ uint8_t i;
+ for (i = 0; c != world.winDB.order[i]; i++);
+ return i;
+}
+
+
+
+static struct Win * get_win_after(char c)
+{
+ return get_win_by_id(world.winDB.order[get_pos_in_order(c) + 1]);
+}
+
+
+
+static struct Win * get_win_before(char c)
+{
+ uint8_t i = get_pos_in_order(c);
+ if (i > 0)
+ {
+ return get_win_by_id(world.winDB.order[i - 1]);
+ }
+ return NULL;
+}
+
+
+
+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, '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;
+}
+
+
+
+static void set_win_target_size(struct Win * wcp)
+{
+ if (0 == wcp->target_height_type)
+ {
+ wcp->target_height = wcp->frame_size.y;
+ }
+ else if (1 == wcp->target_height_type)
+ {
+ wcp->target_height = wcp->frame_size.y - world.winDB.v_screen_size.y +1;
+ }
+ if (0 == wcp->target_width_type)
+ {
+ wcp->target_width = wcp->frame_size.x;
+ }
+ else if (1 == wcp->target_width_type)
+ {
+ wcp->target_width = wcp->frame_size.x - world.winDB.v_screen_size.x;
+ }
+}
+
+
+
+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 refit_pad()
+static void refit_v_screen()
{
/* Determine rightmost window column. */
uint32_t lastwcol = 0;
- struct Win * wp = world.wmeta.chain_start;
+ struct Win * wp = get_win_by_id(world.winDB.order[0]);
while (wp != 0)
{
- if ((uint32_t) wp->start.x + (uint32_t) wp->framesize.x > lastwcol + 1)
+ if ((uint32_t) wp->start.x + (uint32_t) wp->frame_size.x > lastwcol + 1)
{
- lastwcol = (uint32_t) wp->start.x + (uint32_t) wp->framesize.x - 1;
+ lastwcol = (uint32_t) wp->start.x + (uint32_t) wp->frame_size.x - 1;
}
- wp = wp->next;
+ wp = get_win_after(wp->id);
}
- /* 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.wmeta.pad) + 1 != lastwcol)
+ /* Only resize .v_screen if the rightmost window column has changed. */
+ char * err_s = "refit_v_screen() grows virtual screen beyond legal sizes.";
+ char * err_m = "refit_v_screen() triggers memory alloc error in wresize().";
+ if (getmaxx(world.winDB.v_screen) + 1 != lastwcol)
{
uint8_t t = (lastwcol + 2 > UINT16_MAX);
exit_err(t, err_s);
- t = wresize(world.wmeta.pad, getmaxy(world.wmeta.pad), lastwcol + 2);
+ t = wresize(world.winDB.v_screen, getmaxy(world.winDB.v_screen),
+ lastwcol + 2);
exit_err(t, err_m);
}
}
static void update_wins(struct Win * w)
{
place_win(w);
- refit_pad();
- if (0 != w->next)
+ refit_v_screen();
+ struct Win * next = get_win_after(w->id);
+ if (next)
{
- update_wins(w->next);
+ update_wins(next);
}
}
/* 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)
+ struct Win * w_prev = get_win_before(w->id);
+ if (w_prev)
{
/* 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;
+ struct Win * w_top = w_prev;
+ for (;
+ w_top->start.y != 1;
+ w_top = get_win_before(w_top->id));
+ w->start.x = w_top->start.x + w_top->frame_size.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.wmeta.padsize.y - w_prev_maxy)
+ 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 < world.winDB.v_screen_size.y - w_prev_maxy)
{
- w->start.x = w->prev->start.x;
+ w->start.x = w_prev->start.x;
w->start.y = w_prev_maxy + 1;
+ return;
}
/* Failing that, try to fit w' top left to the top right of the last
* 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)
{
- struct Win * w_test = w->prev;
- struct Win * w_thr;
- while (w_test != w_top)
+ for (w_thr = get_win_before(w_test->id);
+ w_test->start.y <= w_thr->start.y;
+ w_thr = get_win_before(w_thr->id));
+ uint16_t w_thr_bottom = w_thr->start.y + w_thr->frame_size.y;
+ uint16_t free_width = (w_thr->start.x + w_thr->frame_size.x)
+ - (w_test->start.x + w_test->frame_size.x);
+ if ( w->frame_size.y < world.winDB.v_screen_size.y - w_thr_bottom
+ && w->frame_size.x < free_width)
{
- 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.wmeta.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;
+ w->start.x = w_test->start.x + w_test->frame_size.x + 1;
+ w->start.y = w_thr_bottom + 1;
+ break;
}
+ w_test = w_thr;
}
}
}
}
if ('<' == dir || '>' == dir)
{
- mvwaddch(world.wmeta.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.wmeta.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.wmeta.pad_offset;
- scroll_hint(world.wmeta.padsize, dir, dist, "columns", start);
-}
-
-
static void winscroll_hint(struct Win * w, char dir, uint16_t dist)
{
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.wmeta.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.wmeta.pad, y, w->start.x - 1, '|');
- mvwaddch(world.wmeta.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.wmeta.pad, w->start.y - 1, x, '-');
- mvwaddch(world.wmeta.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);
+ uint16_t length_visible = strnlen(w->title, w->frame_size.x - 2);
char title[length_visible + 3];
char decoration = ' ';
- if (w == world.wmeta.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.wmeta.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);
}
}
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.wmeta.pad, w->start.y - 1, w->start.x - 1, '+');
- mvwaddch(world.wmeta.pad, w->start.y - 1, w->start.x + w->framesize.x,'+');
- mvwaddch(world.wmeta.pad, w->start.y + w->framesize.y, w->start.x - 1,'+');
- mvwaddch(world.wmeta.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.wmeta.active == world.wmeta.chain_end)
+ void (* drawfunc) (struct Win *) = get_drawfunc_by_char(w->id);
+ if (1 == w->view)
{
- world.wmeta.chain_end = world.wmeta.active->prev;
- world.wmeta.chain_end->next = 0;
- world.wmeta.active->next = world.wmeta.chain_start;
- world.wmeta.active->next->prev = world.wmeta.active;
- world.wmeta.chain_start = world.wmeta.active;
- world.wmeta.chain_start->prev = 0;
+ drawfunc = draw_winconf_geometry;
}
- else
+ else if (2 == w->view)
{
- struct Win * old_prev = world.wmeta.active->prev;
- struct Win * old_next = world.wmeta.active->next;
- if (world.wmeta.chain_end == world.wmeta.active->next)
- {
- world.wmeta.chain_end = world.wmeta.active;
- world.wmeta.active->next = 0;
- }
- else
- {
- world.wmeta.active->next = old_next->next;
- world.wmeta.active->next->prev = world.wmeta.active;
- }
- if (world.wmeta.chain_start == world.wmeta.active)
- {
- world.wmeta.chain_start = old_next;
- }
- else
+ 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++)
{
- old_prev->next = old_next;
+ 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);
}
- old_next->prev = old_prev;
- old_next->next = world.wmeta.active;
- world.wmeta.active->prev = old_next;
+ }
+ 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)
+ {
+ return draw_wins(next);
}
}
-static void shift_win_backward()
+static void append_win(struct Win * w)
{
- if (world.wmeta.active == world.wmeta.chain_start)
- {
- world.wmeta.chain_start = world.wmeta.active->next;
- world.wmeta.chain_start->prev = 0;
- world.wmeta.active->prev = world.wmeta.chain_end;
- world.wmeta.active->prev->next = world.wmeta.active;
- world.wmeta.chain_end = world.wmeta.active;
- world.wmeta.chain_end->next = 0;
- }
- else
+ char * f_name = "append_win()";
+ uint8_t old_size = strlen(world.winDB.order) + 1;
+ char * new_order = try_malloc(old_size + 1, f_name);
+ memcpy(new_order, world.winDB.order, old_size - 1);
+ new_order[old_size - 1] = w->id;
+ new_order[old_size] = '\0';
+ free(world.winDB.order);
+ world.winDB.order = new_order;
+ world.winDB.active = w->id;
+ update_wins(w);
+}
+
+
+
+static void suspend_win(struct Win * w)
+{
+ char * f_name = "suspend_win()";
+ uint8_t new_size = strlen(world.winDB.order);
+ char * new_order = try_malloc(new_size, f_name);
+ uint8_t i = get_pos_in_order(w->id);
+ char next_char = world.winDB.order[i + 1];
+ world.winDB.order[i] = '\0';
+ char * second_part = &world.winDB.order[i + 1];
+ sprintf(new_order, "%s%s", world.winDB.order, second_part);
+ free(world.winDB.order);
+ world.winDB.order = new_order;
+ world.winDB.active = world.winDB.order[i];
+ if (!world.winDB.order[i] && 0 < i)
+ {
+ world.winDB.active = world.winDB.order[i - 1];
+ }
+ if (world.winDB.order[i])
+ {
+ update_wins(get_win_by_id(next_char)); /* Already calls */
+ return; /* refit_v_screen(), so leave. */
+ }
+ refit_v_screen();
+}
+
+
+
+extern uint16_t center_offset(uint16_t position, uint32_t mapsize,
+ uint32_t frame_size)
+{
+ uint16_t offset = 0;
+ if (mapsize > frame_size)
{
- struct Win * old_prev = world.wmeta.active->prev;
- struct Win * old_next = world.wmeta.active->next;
- if (world.wmeta.chain_start == world.wmeta.active->prev)
- {
- world.wmeta.chain_start = world.wmeta.active;
- world.wmeta.active->prev = 0;
- }
- else
- {
- world.wmeta.active->prev = old_prev->prev;
- world.wmeta.active->prev->next = world.wmeta.active;
- }
- if (world.wmeta.chain_end == world.wmeta.active)
+ if (position > frame_size / 2)
{
- world.wmeta.chain_end = old_prev;
+ if (position < mapsize - (frame_size / 2))
+ {
+ offset = position - (frame_size / 2);
+ }
+ else
+ {
+ offset = mapsize - frame_size;
+ }
}
- else
+ }
+ 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])
{
- old_next->prev = old_prev;
+ return &world.winDB.wins[i];
}
- old_prev->next = old_next;
- old_prev->prev = world.wmeta.active;
- world.wmeta.active->next = old_prev;
+ i++;
}
+ return NULL;
}
-extern void init_win_meta()
+extern uint8_t read_winconf_from_file(char * line, uint32_t linemax,
+ FILE * file)
{
- char * err_s = "init_win_meta() creates virtual screen beyond legal size.";
- char * err_m = "init_win_meta() triggers memory alloc error via newpad().";
- world.wmeta.screen = initscr();
- set_cleanup_flag(CLEANUP_NCURSES);
- noecho();
- curs_set(0);
- uint32_t maxy_test = getmaxy(world.wmeta.screen);
- uint32_t maxx_test = getmaxx(world.wmeta.screen);
- exit_err(maxy_test > UINT16_MAX || maxx_test > UINT16_MAX, err_s);
- world.wmeta.padsize.y = maxy_test;
- world.wmeta.padsize.x = maxx_test;
- world.wmeta.chain_start = 0;
- world.wmeta.chain_end = 0;
- world.wmeta.pad_offset = 0;
- world.wmeta.pad = newpad(world.wmeta.padsize.y, 1);
- exit_err(NULL == world.wmeta.pad, err_m);
- world.wmeta.active = 0;
+ char * f_name = "read_winconf_from_file()";
+ char * context = "Failed reading individual window's configuration from "
+ "interface config file. ";
+ char * err_id = "Illegal ID(s) selected.";
+ char * err_2 = "Double-initialized window.";
+ int test_for_end = try_fgetc(file, f_name);
+ if (EOF == test_for_end || '\n' == test_for_end)
+ {
+ return 0;
+ }
+ exit_trouble(EOF == ungetc(test_for_end, file), f_name, "ungetc()");
+ err_try_fgets(line, linemax, file, context, "ns");
+ err_line(NULL == strchr(world.winDB.legal_ids, line[0]), line, context,
+ err_id);
+ exit_err(world.winDB.ids && NULL!=strchr(world.winDB.ids, line[0]), err_2);
+ struct Win win;
+ memset(&win, 0, sizeof(struct Win));
+ win.id = (char) line[0];
+ err_try_fgets(line, linemax, file, context, "0n");
+ win.title = try_malloc(strlen(line), f_name);
+ memcpy(win.title, line, strlen(line) - 1); /* Eliminate newline char */
+ win.title[strlen(line) - 1] = '\0'; /* char at end of string. */
+ err_try_fgets(line, linemax, file, context, "0ni");
+ win.target_height = atoi(line);
+ win.target_height_type = (0 >= win.target_height);
+ err_try_fgets(line, linemax, file, context, "0ni");
+ win.target_width = atoi(line);
+ win.target_width_type = (0 >= win.target_width);
+ read_keybindings_from_file(line, linemax, file, &win.kb);
+ if (world.winDB.ids)
+ {
+ uint8_t old_ids_size = strlen(world.winDB.ids);
+ char * new_ids = try_malloc(old_ids_size + 1 + 1, f_name);
+ sprintf(new_ids, "%s%c", world.winDB.ids, win.id);
+ free(world.winDB.ids);
+ world.winDB.ids = new_ids;
+ array_append(old_ids_size, sizeof(struct Win), (void *) &win,
+ (void **) &world.winDB.wins);
+ return 1;
+ }
+ world.winDB.ids = try_malloc(2, f_name);
+ sprintf(world.winDB.ids, "%c", win.id);
+ world.winDB.wins = try_malloc(sizeof(struct Win), f_name);
+ world.winDB.wins[0] = win;
+ return 1;
}
-extern void init_win(struct Win ** wp, char * title, int16_t height,
- int16_t width, void * func)
+extern void write_winconf_of_id_to_file(FILE * file, char c)
{
- 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.wmeta.padsize.y - 1;
- if (0 < height && height <= world.wmeta.padsize.y - 1)
- {
- w->framesize.y = height;
- }
- else if (0 > height && world.wmeta.padsize.y + (height - 1) > 0)
- {
- w->framesize.y = world.wmeta.padsize.y + (height - 1);
+ char * f_name = "write_winconf_of_id_to_file()";
+ struct Win * wc = get_win_by_id(c);
+ uint8_t size = strlen(wc->title) + 2;
+ if (size < 7) /* Ensure that at least 5 + 2 char fit into line so that */
+ { /* the digit representation of any uint16_t may be stored. */
+ size = 7;
+ }
+ char line[size];
+ sprintf(line, "%c\n", wc->id);
+ try_fwrite(line, sizeof(char), strlen(line), file, f_name);
+ sprintf(line, "%s\n", wc->title);
+ try_fwrite(line, sizeof(char), strlen(line), file, f_name);
+ sprintf(line, "%d\n", wc->target_height);
+ try_fwrite(line, sizeof(char), strlen(line), file, f_name);
+ sprintf(line, "%d\n", wc->target_width);
+ try_fwrite(line, sizeof(char), strlen(line), file, f_name);
+ write_keybindings_to_file(file, &wc->kb);
+}
+
+
+
+extern void read_order_wins_visible_active(char * line, uint32_t linemax,
+ FILE * file, char ** tmp_order,
+ char * tmp_active)
+{
+ char * f_name = "read_order_wins_visible_active()";
+ char * context = "Failed reading order and activation of visible windows "
+ "from interface config file. ";
+ char * err_id = "Illegal ID(s) selected.";
+ err_try_fgets(line, linemax, file, context, "01");
+ uint32_t i = 0;
+ for (; i < strlen(line) - 1; i++)
+ {
+ char * test = strchr(world.winDB.legal_ids, line[i]);
+ err_line(!test, line, context, err_id);
+ }
+ line[strlen(line) - 1] = '\0';
+ *tmp_order = try_malloc(strlen(line) + 1, f_name);
+ sprintf(*tmp_order, "%s", line);
+ if (*tmp_order[0])
+ {
+ err_try_fgets(line, linemax, file, context, "0nfs");
+ err_line(NULL == strchr(*tmp_order, line[0]), line, context, err_id);
+ *tmp_active = line[0];
}
- w->framesize.x = world.wmeta.padsize.x;
- if (0 < width)
+ else
{
- w->framesize.x = width;
+ err_try_fgets(line, linemax, file, context, "0ne");
+ *tmp_active = '\0';
}
- else if (0 > width && world.wmeta.padsize.x + width > 0)
- {
- w->framesize.x = world.wmeta.padsize.x + width;
+ err_try_fgets(line, linemax, file, context, "d");
+}
+
+
+
+extern void write_order_wins_visible_active(FILE * file)
+{
+ char * f_name = "write_order_wins_visible_active()";
+ try_fwrite(world.winDB.order, strlen(world.winDB.order), 1, file, f_name);
+ try_fputc('\n', file, f_name);
+ try_fputc(world.winDB.active, file, f_name);
+ try_fputc('\n', file, f_name);
+ try_fwrite(world.delim, strlen(world.delim), 1, file, f_name);
+}
+
+
+
+extern void make_v_screen_and_init_win_sizes()
+{
+ 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);
}
- *wp = w;
}
-extern void free_winmeta_and_endwin()
+extern void free_winDB()
{
- delwin(world.wmeta.pad);
- endwin();
+ char id;
+ while (0 != (id = get_next_win_id()))
+ {
+ struct Win * wc = get_win_by_id(id);
+ free(wc->title);
+ free(wc->kb.kbs);
+ wc->kb.kbs = NULL;
+ }
+ free(world.winDB.ids); /* NULL this too since add_win_to_winDB() checks */
+ world.winDB.ids = NULL; /* for it to detect its first post-DB-purge round.*/
+ free(world.winDB.wins);
+ free(world.winDB.order);
}
-extern void free_win(struct Win * win)
+extern void winch_called(int signal)
{
- free(win->title);
- free(win);
+ world.winch = 1;
}
-extern void append_win(struct Win * w)
+extern void reset_windows_on_winch()
{
- if (0 != world.wmeta.chain_start)
- {
- w->prev = world.wmeta.chain_end;
- world.wmeta.chain_end->next = w;
- }
- else
- {
- world.wmeta.active = w;
- world.wmeta.chain_start = w;
+ endwin(); /* "[S]tandard way" to recalibrate ncurses post SIGWINCH, says */
+ refresh(); /* <http://invisible-island.net/ncurses/ncurses-intro.html>. */
+ char tmp_order[strlen(world.winDB.order) + 1];
+ sprintf(tmp_order, "%s", world.winDB.order);
+ 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++);
+ 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);
}
- world.wmeta.chain_end = w;
- update_wins(w);
+
+ /* Only at the end write accumulated changes to .t_screen. */
+ doupdate();
}
-extern void suspend_win(struct Win * w)
+extern void toggle_window(char id)
{
- if (world.wmeta.chain_start != w)
+ struct Win * win = get_win_by_id(id);
+ if (NULL == strchr(world.winDB.order, id))
{
- w->prev->next = w->next;
+ append_win(win);
+ return;
}
- else
+ suspend_win(win);
+}
+
+
+
+extern void toggle_winconfig()
+{
+ if (!world.winDB.active)
{
- world.wmeta.chain_start = w->next;
+ return;
}
- uint8_t pad_refitted = 0;
- if (world.wmeta.chain_end != w)
- {
- w->next->prev = w->prev;
- if (world.wmeta.active == w)
- {
- world.wmeta.active = w->next;
- }
- 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. */
+ struct Win * w = get_win_by_id(world.winDB.active);
+ if (0 == w->view)
{
- world.wmeta.chain_end = w->prev;
- if (world.wmeta.active == w)
- {
- world.wmeta.active = w->prev;
- }
+ w->view = 1;
+ w->target_center = w->center;
+ memset(&w->center, 0, sizeof(struct yx_uint16));
+ return;
}
- w->prev = 0;
- w->next = 0;
- if (0 == pad_refitted)
+ else if (1 == w->view)
{
- refit_pad();
+ w->view = 2;
+ w->center.x = 0;
+ return;
}
+ w->view = 0;
+ w->center = w->target_center;
}
-extern void reset_pad_offset(uint16_t new_offset)
+extern void toggle_win_size_type(char axis)
{
- if (new_offset >= 0
- && (new_offset < world.wmeta.pad_offset
- || new_offset + world.wmeta.padsize.x < getmaxx(world.wmeta.pad)))
+ struct Win * w = get_win_by_id(world.winDB.active);
+ if ('y' == axis)
{
- world.wmeta.pad_offset = new_offset;
+ w->target_height_type = (0 == w->target_height_type);
+ set_win_target_size(w);
+ return;
}
+ w->target_width_type = ( 0 == w->target_width_type
+ && w->frame_size.x <= world.winDB.v_screen_size.x);
+ set_win_target_size(w);
}
-extern void resize_active_win(struct yx_uint16 size)
+extern void resize_active_win(char change)
{
- if (0 != world.wmeta.active
- && size.x > 0 && size.y > 0 && size.y < world.wmeta.padsize.y)
+ if (world.winDB.active)
{
- world.wmeta.active->framesize = size;
- update_wins(world.wmeta.active); /* Positioning of following */
- } /* windows may be affected. */
+ struct Win * w = get_win_by_id(world.winDB.active);
+ if (change == '-' && w->frame_size.y > 1)
+ {
+ w->frame_size.y--;
+ }
+ else if (change == '_' && w->frame_size.y > 1)
+ {
+ w->frame_size.x--;
+ }
+ else if ( change == '+'
+ && w->frame_size.y < world.winDB.v_screen_size.y - 1)
+ {
+ w->frame_size.y++;
+ }
+ else if (change == '*' && w->frame_size.y < UINT16_MAX)
+ {
+ w->frame_size.x++;
+ }
+ if ( 1 == w->target_width_type
+ && w->frame_size.x > world.winDB.v_screen_size.x)
+ {
+ w->target_width_type = 0;
+ }
+ set_win_target_size(w);
+ update_wins(w);
+ }
}
-extern void cycle_active_win(char dir)
+extern void shift_active_win(char dir)
{
- if (0 != world.wmeta.active)
+ uint8_t len_order = strlen(world.winDB.order);
+ if (1 < len_order)
{
+ char tmp[len_order + 1];
+ tmp[len_order] = '\0';
+ uint8_t pos = get_pos_in_order(world.winDB.active);
if ('f' == dir)
{
- if (world.wmeta.active->next != 0)
+ if (pos == len_order - 1)
{
- world.wmeta.active = world.wmeta.active->next;
+ memcpy(tmp + 1, world.winDB.order, len_order - 1);
+ tmp[0] = world.winDB.active;
+ memcpy(world.winDB.order, tmp, len_order + 1);
}
else
{
- world.wmeta.active = world.wmeta.chain_start;
+ world.winDB.order[pos] = world.winDB.order[pos + 1];
+ world.winDB.order[pos + 1] = world.winDB.active;
}
}
else
{
- if (world.wmeta.active->prev != 0)
+ if (pos == 0)
{
- world.wmeta.active = world.wmeta.active->prev;
+ memcpy(tmp, world.winDB.order + 1, len_order - 1);
+ tmp[len_order - 1] = world.winDB.active;
+ memcpy(world.winDB.order, tmp, len_order + 1);
}
else
{
- world.wmeta.active = world.wmeta.chain_end;
+ world.winDB.order[pos] = world.winDB.order[pos - 1];
+ world.winDB.order[pos - 1] = world.winDB.active;
}
}
+ update_wins(get_win_by_id(world.winDB.order[0]));
}
}
-extern void shift_active_win(char dir)
+extern void scroll_v_screen(char dir)
{
- if ( 0 == world.wmeta.active /* No shifting with < 2 windows visible. */
- || world.wmeta.chain_start == world.wmeta.chain_end)
+ if ( '+' == dir
+ && world.winDB.v_screen_offset + world.winDB.v_screen_size.x + 1
+ < getmaxx(world.winDB.v_screen))
{
- return;
+ world.winDB.v_screen_offset++;
}
- if ('f' == dir)
+ else if ( '-' == dir
+ && world.winDB.v_screen_offset > 0)
{
- shift_win_forward();
- update_wins(world.wmeta.chain_start);
- return;
+ world.winDB.v_screen_offset--;
}
- shift_win_backward();
- update_wins(world.wmeta.chain_start);
}
-extern void draw_all_wins()
+extern void cycle_active_win(char dir)
{
- /* Empty everything before filling it a-new. */
- erase();
- wnoutrefresh(world.wmeta.screen);
- werase(world.wmeta.pad);
- if (world.wmeta.chain_start)
+ uint8_t len_order = strlen(world.winDB.order);
+ if (1 < len_order)
{
-
- /* Draw windows' borders first, then windows. */
- draw_wins_borderlines(world.wmeta.chain_start);
- draw_wins_bordercorners(world.wmeta.chain_start);
- draw_wins(world.wmeta.chain_start);
-
- /* Draw virtual screen scroll hints. */
- if (world.wmeta.pad_offset > 0)
+ uint8_t pos = get_pos_in_order(world.winDB.active);
+ if ('f' == dir)
{
- padscroll_hint('<', world.wmeta.pad_offset + 1);
+ world.winDB.active = world.winDB.order[pos + 1];
+ if ('\0' == world.winDB.active)
+ {
+ world.winDB.active = world.winDB.order[0];
+ }
+ return;
}
- uint16_t size_x = getmaxx(world.wmeta.pad);
- uint16_t right_edge = world.wmeta.pad_offset + world.wmeta.padsize.x;
- if (right_edge < size_x - 1)
+ if (pos > 0)
{
- padscroll_hint('>', size_x - right_edge);
+ world.winDB.active = world.winDB.order[pos - 1];
+ return;
}
-
- /* Write pad segment to be shown on physical screen to screen buffer. */
- pnoutrefresh(world.wmeta.pad, 0, world.wmeta.pad_offset, 0, 0,
- world.wmeta.padsize.y, world.wmeta.padsize.x - 1);
+ world.winDB.active = world.winDB.order[len_order - 1];
}
-
- /* Only at the end write accumulated changes to the physical screen. */
- doupdate();
}
projects / plomrogue / blobdiff