#include <ncurses.h> /* chtype, getmaxx(), getmaxy(), erase(), werase(),
* endwin(), delwin(), wnoutrefresh(), pnoutrefresh(),
* doupdate(), refresh(), delwin(), newpad(), mvwaddch(),
- * mvwaddstr(), wresize()
+ * mvwaddstr()
*/
#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(), atoi() */
#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() */
* read_keybindings_from_file()
*/
#include "misc.h" /* array_append() */
+#include "wincontrol.h" /* toggle_window() */
#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.
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 .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 update_wins(struct Win * w);
-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 .v_screen, onto an
* appropriate edge of a window or .v_screen; the left/right edge if "dir" is
/* 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)
-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;
-static void refit_v_screen()
-{
- /* Determine rightmost window column. */
- uint32_t lastwcol = 0;
- struct Win * wp = get_win_by_id(world.winDB.order[0]);
- while (wp != 0)
- {
- if ((uint32_t) wp->start.x + (uint32_t) wp->frame_size.x > lastwcol + 1)
- {
- lastwcol = (uint32_t) wp->start.x + (uint32_t) wp->frame_size.x - 1;
- }
- wp = get_win_after(wp->id);
- }
-
- /* 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 ((uint32_t) getmaxx(world.winDB.v_screen) + 1 != lastwcol)
- {
- uint8_t t = (lastwcol + 2 > UINT16_MAX);
- exit_err(t, err_s);
- 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_v_screen();
- struct Win * next = get_win_after(w->id);
- if (next)
- {
- update_wins(next);
- }
-}
-
-
-
-static void place_win(struct Win * w)
-{
- /* 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. */
- 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;
- 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->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.y = w_prev_maxy + 1;
- return;
- }
-
- /* 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.
- */
- 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->start.x = w_test->start.x + w_test->frame_size.x + 1;
- w->start.y = w_thr_bottom + 1;
- break;
- }
- w_test = w_thr;
- }
- }
-}
-
-
-
static void scroll_hint(struct yx_uint16 fsize, char dir, uint16_t dist,
char * unit, struct yx_uint16 start)
{
-static void append_win(struct Win * w)
+extern uint8_t get_win_pos_in_order(char c)
{
- 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);
+ uint8_t i;
+ for (i = 0; c != world.winDB.order[i]; i++);
+ return i;
}
-static void suspend_win(struct Win * w)
+extern struct Win * get_win_after(char c)
{
- 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();
+ return get_win_by_id(world.winDB.order[get_win_pos_in_order(c) + 1]);
}
/* Only at the end write accumulated changes to .t_screen. */
doupdate();
}
-
-
-
-extern void toggle_window(char id)
-{
- struct Win * win = get_win_by_id(id);
- if (NULL == strchr(world.winDB.order, id))
- {
- append_win(win);
- return;
- }
- suspend_win(win);
-}
-
-
-
-extern void toggle_winconfig()
-{
- if (!world.winDB.active)
- {
- return;
- }
- struct Win * w = get_win_by_id(world.winDB.active);
- if (0 == w->view)
- {
- w->view = 1;
- w->target_center = w->center;
- memset(&w->center, 0, sizeof(struct yx_uint16));
- return;
- }
- else if (1 == w->view)
- {
- w->view = 2;
- w->center.x = 0;
- return;
- }
- w->view = 0;
- w->center = w->target_center;
-}
-
-
-
-extern void toggle_win_size_type(char axis)
-{
- struct Win * w = get_win_by_id(world.winDB.active);
- if ('y' == axis)
- {
- 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 toggle_linebreak_type()
-{
- struct Win * w = get_win_by_id(world.winDB.active);
- if (0 == w->linebreak)
- {
- w->linebreak = 1;
- }
- else if (1 == w->linebreak)
- {
- w->linebreak = 2;
- }
- else if (2 == w->linebreak)
- {
- w->linebreak = 0;
- }
-}
-
-
-
-extern void resize_active_win(char change)
-{
- if (world.winDB.active)
- {
- 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.x > 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 shift_active_win(char dir)
-{
- 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 (pos == len_order - 1)
- {
- memcpy(tmp + 1, world.winDB.order, len_order - 1);
- tmp[0] = world.winDB.active;
- memcpy(world.winDB.order, tmp, len_order + 1);
- }
- else
- {
- world.winDB.order[pos] = world.winDB.order[pos + 1];
- world.winDB.order[pos + 1] = world.winDB.active;
- }
- }
- else
- {
- if (pos == 0)
- {
- 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.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 scroll_v_screen(char dir)
-{
- if ( '+' == dir
- && world.winDB.v_screen_offset + world.winDB.v_screen_size.x + 1
- < getmaxx(world.winDB.v_screen))
- {
- world.winDB.v_screen_offset++;
- }
- else if ( '-' == dir
- && world.winDB.v_screen_offset > 0)
- {
- world.winDB.v_screen_offset--;
- }
-}
-
-
-
-extern void cycle_active_win(char dir)
-{
- uint8_t len_order = strlen(world.winDB.order);
- if (1 < len_order)
- {
- uint8_t pos = get_pos_in_order(world.winDB.active);
- if ('f' == dir)
- {
- world.winDB.active = world.winDB.order[pos + 1];
- if ('\0' == world.winDB.active)
- {
- world.winDB.active = world.winDB.order[0];
- }
- return;
- }
- if (pos > 0)
- {
- world.winDB.active = world.winDB.order[pos - 1];
- return;
- }
- world.winDB.active = world.winDB.order[len_order - 1];
- }
-}
projects / plomrogue / blobdiff