-/* src/client/wincontrol.c */
+/* src/client/wincontrol.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.
+ */
#include "wincontrol.h"
-#include <errno.h> /* global errno */
+#include <ncurses.h> /* getmaxx(), getmaxy(), wresize() */
#include <stddef.h> /* NULL */
-#include <stdint.h> /* uint8_t, uint16_t, uint32_t */
-#include <stdio.h> /* FILE, sprintf() */
-#include <stdlib.h> /* free(), atoi() */
-#include <string.h> /* strlen(), strchr(), memcpy() */
-#include "../common/readwrite.h" /* try_fgets(), try_fwrite(), try_fgetc(),
- * try_fputc()
- */
+#include <stdint.h> /* uint8_t, uint32_t, UINT16_MAX */
+#include <stdio.h> /* sprintf() */
+#include <stdlib.h> /* free() */
+#include <string.h> /* memcpy(), memset(), strchr(), strlen() */
#include "../common/rexit.h" /* exit_err(), exit_trouble() */
#include "../common/try_malloc.h" /* try_malloc() */
-#include "../common/yx_uint16.h" /* struct yx_uint16 */
-#include "draw_wins.h" /* draw_win_map(), draw_win_info(), draw_win_log(),
- * draw_win_available_keybindings(),
- * draw_win_inventory(), draw_win_keybindings_global(),
- * draw_win_keybindings_winconf_geometry(),
- * draw_win_keybindings_winconf_keybindings(),
- * draw_winconf_geometry(), draw_winconf_keybindings()
- */
-#include "keybindings.h" /* struct KeyBinding, free_keybindings() */
-#include "windows.h" /* struct Win, resize_active_win(), reset_pad_offset(),
- * append_win(), suspend_win(), init_win(), free_win()
- */
+#include "windows.h" /* Win,yx_uint16, get_win_by_id(),get_win_pos_in_order() */
#include "world.h" /* global world */
-/* Wrapper around init_win() called with values from Winconf of "id". */
-static void init_win_from_winconf(char id);
+/* Get Win before window identified by "c" or NULL if there is none. */
+static struct Win * get_win_before(char c);
-/* Free data pointed to inside individual WinConf struct of "id". */
-static void free_winconf_data(char id);
+/* Make .v_screen just wide enough to contain all visible windows. */
+static void refit_v_screen();
-/* Write geometry of a window to its WinConf, as positive or negative values
- * (dependent on state ofWinConf->height_type / WinConf->width_type).
+/* Update geometry (sizes, positions) of window "w" and its successors in the
+ * window chain. Use place_win() for the positioning algorithm.
*/
-static void set_winconf_geometry(char id);
+static void update_wins(struct Win * w);
+static void place_win(struct Win * w);
-/* Get WinConf by "id". */
-static struct WinConf * get_winconf_by_id(char id);
+/* Write "win"'s size back to .target_(height/width) as per .target_*_type. */
+static void set_win_target_size(struct Win * win);
-/* Get (Win->draw) function identified by "c"; NULL if c not mapped to one. */
-static void * get_drawfunc_by_char(char c);
+/* 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 void free_winconf_data(char id)
+extern struct Win * get_win_before(char c)
{
- struct WinConf * wc = get_winconf_by_id(id);
- free(wc->title);
- free_keybindings(wc->kb.kbs);
- free_win(wc->win);
+ uint8_t i = get_win_pos_in_order(c);
+ if (i > 0)
+ {
+ return get_win_by_id(world.winDB.order[i - 1]);
+ }
+ return NULL;
}
-static void set_winconf_geometry(char id)
+static void refit_v_screen()
{
- struct WinConf * wcp = get_winconf_by_id(id);
- if (0 == wcp->height_type)
- {
- wcp->height = wcp->win->framesize.y;
- }
- else if (1 == wcp->height_type)
+ /* Determine rightmost window column. */
+ uint32_t lastwcol = 0;
+ struct Win * wp = get_win_by_id(world.winDB.order[0]);
+ while (wp != 0)
{
- wcp->height = wcp->win->framesize.y - world.wins.padsize.y + 1;
- }
- if (0 == wcp->width_type)
- {
- wcp->width = wcp->win->framesize.x;
+ 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);
}
- else if (1 == wcp->width_type)
+
+ /* 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)
{
- wcp->width = wcp->win->framesize.x - world.wins.padsize.x;
+ 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 * get_drawfunc_by_char(char c)
+static void update_wins(struct Win * w)
{
-
- if ('c' == c)
- {
- return draw_win_inventory;
- }
- else if ('i' == c)
- {
- return draw_win_info;
- }
- else if ('l' == c)
- {
- return draw_win_log;
- }
- else if ('k' == c)
- {
- return draw_win_available_keybindings;
- }
- else if ('m' == c)
+ place_win(w);
+ refit_v_screen();
+ struct Win * next = get_win_after(w->id);
+ if (next)
{
- return draw_win_map;
+ update_wins(next);
}
- else if ('0' == c)
- {
- return draw_win_keybindings_global;
- }
- else if ('1' == c)
- {
- return draw_win_keybindings_winconf_geometry;
- }
- else if ('2' == c)
- {
- return draw_win_keybindings_winconf_keybindings;
- }
- return NULL;
}
-extern void init_win_from_winconf(char id)
+static void place_win(struct Win * w)
{
- char * err = "get_drawfunc_by_char() returns NULL to init_win_from_file().";
- struct WinConf * winconf = get_winconf_by_id(id);
- void * f = get_drawfunc_by_char(winconf->id);
- exit_err(NULL == f, err);
- init_win(&winconf->win, winconf->title, winconf->height, winconf->width, f);
-}
-
+ uint8_t sep = 1; /* Width of inter-window borders and title bars. */
-
-static struct WinConf * get_winconf_by_id(char id)
-{
- uint8_t i = 0;
- while (1)
+ /* If w is first window, it goes into the top left corner. */
+ w->start.x = 0;
+ w->start.y = 0 + sep;
+ struct Win * w_prev = get_win_before(w->id);
+ if (w_prev)
{
- if (id == world.wins.winconfs[i].id)
+
+ /* If not, get w's next predecessor starting a new stack on the screen
+ * top, fit w's top left corner to that predecessor's top right corner.
+ */
+ struct Win * w_top = w_prev;
+ for (; w_top->start.y != 0 + sep; w_top = get_win_before(w_top->id));
+ w->start.x = w_top->start.x + w_top->frame_size.x + sep;
+
+ /* If enough space is found below w's predecessor, fit w's top left
+ * corner to that predecessor's bottom left corner.
+ */
+ uint16_t next_free_y = w_prev->start.y + w_prev->frame_size.y + sep;
+ if ( w->frame_size.x <= w_prev->frame_size.x
+ && w->frame_size.y <= world.winDB.v_screen_size.y - next_free_y)
{
- return &world.wins.winconfs[i];
+ w->start.x = w_prev->start.x;
+ w->start.y = next_free_y;
+ return;
}
- i++;
- }
-}
-
-
-extern struct WinConf * get_winconf_by_win(struct Win * win)
-{
- uint8_t i = 0;
- while (1)
- {
- if (win == world.wins.winconfs[i].win)
+ /* If that fails, try to fit w's top left corner to the top right corner
+ * of its next predecessor w_test 1) below w_top (w's next predecessor
+ * starting a new stack on the screen top) 2) and the most rightward
+ * lower neighbor of a window w_high, itself throning over enough free
+ * space for w to fit below it, rightwards of its lower neighbor w_test.
+ */
+ struct Win * w_test = w_prev;
+ struct Win * w_high;
+ while (w_test != w_top)
{
- return &world.wins.winconfs[i];
+ for (w_high = get_win_before(w_test->id); /* Walk down chain */
+ w_test->start.y <= w_high->start.y; /* until w_high starts */
+ w_high = get_win_before(w_high->id)); /* higher than w_test. */
+ next_free_y = w_high->start.y + w_high->frame_size.y + sep;
+ uint16_t first_free_x = w_test->start.x + w_test->frame_size.x +sep;
+ uint16_t last_free_x = w_high->start.x + w_high->frame_size.x;
+ if ( w->frame_size.y <= world.winDB.v_screen_size.y - next_free_y
+ && w->frame_size.x <= last_free_x - first_free_x)
+ {
+ w->start.x = first_free_x;
+ w->start.y = next_free_y;
+ break;
+ }
+ w_test = w_high;
}
- i++;
}
}
-extern struct Win * get_win_by_id(char id)
-{
- struct WinConf * wc = get_winconf_by_id(id);
- return wc->win;
-}
-
-
-
-extern uint8_t read_winconf_from_file(char * line, uint32_t linemax,
- FILE * file)
+static void set_win_target_size(struct Win * w)
{
- char * f_name = "read_winconf_from_file()";
- int test = try_fgetc(file, f_name);
- if (EOF == test)
+ if (0 == w->target_height_type)
{
- return 0;
+ w->target_height = w->frame_size.y;
}
- struct WinConf winconf;
- winconf.id = (char) test;
- try_fgetc(file, f_name);
- try_fgets(line, linemax + 1, file, f_name);
- winconf.title = try_malloc(strlen(line), f_name);
- memcpy(winconf.title, line, strlen(line) - 1); /* Eliminate newline char */
- winconf.title[strlen(line) - 1] = '\0'; /* char at end of string. */
- try_fgets(line, linemax + 1, file, f_name);
- winconf.height = atoi(line);
- winconf.height_type = (0 >= winconf.height);
- try_fgets(line, linemax + 1, file, f_name);
- winconf.width = atoi(line);
- winconf.width_type = (0 >= winconf.width);
- read_keybindings_from_file(line, linemax, file, &winconf.kb);
- winconf.win = NULL;
- winconf.view = 0;
- winconf.center.y = 0;
- winconf.center.x = 0;
- if (world.wins.ids)
+ else if (1 == w->target_height_type)
{
- uint8_t old_ids_size = strlen(world.wins.ids);
- char * new_ids = try_malloc(old_ids_size + 1 + 1, f_name);
- sprintf(new_ids, "%s%c", world.wins.ids, winconf.id);
- free(world.wins.ids);
- world.wins.ids = new_ids;
- uint16_t old_winconfs_size = old_ids_size * sizeof(struct WinConf);
- uint16_t new_winconfs_size = old_winconfs_size + sizeof(struct WinConf);
- struct WinConf * new_winconfs = try_malloc(new_winconfs_size, f_name);
- memcpy(new_winconfs, world.wins.winconfs, old_winconfs_size);
- new_winconfs[old_ids_size] = winconf;
- free(world.wins.winconfs);
- world.wins.winconfs = new_winconfs;
+ w->target_height = w->frame_size.y - world.winDB.v_screen_size.y +1;
}
- else
+ if (0 == w->target_width_type)
{
- world.wins.ids = try_malloc(2, f_name);
- sprintf(world.wins.ids, "%c", winconf.id);
- world.wins.winconfs = try_malloc(sizeof(struct WinConf), f_name);
- *world.wins.winconfs = winconf;
+ w->target_width = w->frame_size.x;
}
- return 1;
-}
-
-
-
-extern void write_winconf_of_id_to_file(FILE * file, char c, char * delim)
-{
- char * f_name = "write_winconf_of_id_to_file()";
- struct WinConf * wc = get_winconf_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;
+ else if (1 == w->target_width_type)
+ {
+ w->target_width = w->frame_size.x - world.winDB.v_screen_size.x;
}
- 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->height);
- try_fwrite(line, sizeof(char), strlen(line), file, f_name);
- sprintf(line, "%d\n", wc->width);
- try_fwrite(line, sizeof(char), strlen(line), file, f_name);
- write_keybindings_to_file(file, &wc->kb, delim);
}
-extern void read_order_wins_visible_active(char * line, uint32_t linemax,
- FILE * file)
+static void append_win(struct Win * w)
{
- char * f_name = "read_order_wins_visible_active()";
- char win_order[linemax + 1];
- try_fgets(win_order, linemax + 1, file, f_name);
- world.wins.order = try_malloc(linemax, f_name);
- win_order[strlen(win_order) - 1] = '\0';
- sprintf(world.wins.order, "%s", win_order);
- int char_or_eof = try_fgetc(file, f_name);
- char * err_eof = "fgetc() unexpectedly hitting EOF";
- exit_trouble(EOF == char_or_eof, f_name, err_eof);
- world.wins.id_active = (uint8_t) char_or_eof;
- exit_trouble(EOF == try_fgetc(file, f_name), f_name, err_eof);
- try_fgets(line, linemax + 1, file, f_name);
+ uint8_t old_size = strlen(world.winDB.order) + 1;
+ char * new_order = try_malloc(old_size + 1, __func__);
+ 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);
}
-extern void write_order_wins_visible_active(FILE * file, char * delim)
+static void suspend_win(struct Win * w)
{
- char * f_name = "write_order_wins_visible_active()";
- char line[strlen(world.wins.ids) + 2];
- struct Win * w_p = world.wins.chain_start;
- char active = ' ';
- uint8_t i;
- for (; NULL != w_p; w_p = w_p->next, i++)
+ uint8_t new_size = strlen(world.winDB.order);
+ char * new_order = try_malloc(new_size, __func__);
+ uint8_t i = get_win_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];
+ int test = sprintf(new_order, "%s%s", world.winDB.order, second_part);
+ exit_trouble(test < 0, __func__, "sprintf");
+ free(world.winDB.order);
+ world.winDB.order = new_order;
+ world.winDB.active = world.winDB.order[i];
+ if (!world.winDB.order[i] && 0 < i)
{
- struct WinConf * wc_p = get_winconf_by_win(w_p);
- line[i] = wc_p->id;
- if (w_p == world.wins.win_active)
- {
- active = wc_p->id;
- }
+ world.winDB.active = world.winDB.order[i - 1];
}
- line[i] = '\n';
- line[i + 1] = '\0';
- try_fwrite(line, sizeof(char), strlen(line), file, f_name);
- try_fputc(active, file, f_name);
- try_fputc('\n', file, f_name);
- try_fwrite(delim, strlen(delim), 1, file, f_name);
-}
-
-
-
-extern void free_winconfs()
-{
- char id;
- while (0 != (id = get_next_winconf_id()))
+ if (world.winDB.order[i])
{
- free_winconf_data(id);
+ update_wins(get_win_by_id(next_char)); /* Already calls */
+ return; /* refit_v_screen(), so leave. */
}
- free(world.wins.ids);
- world.wins.ids = NULL;
- free(world.wins.winconfs);
- world.wins.winconfs = NULL;
- free(world.wins.order);
- world.wins.order = NULL;
+ refit_v_screen();
}
-extern void init_wins()
+extern void toggle_window(char id)
{
- char id;
- while (0 != (id = get_next_winconf_id()))
+ struct Win * win = get_win_by_id(id);
+ if (!strchr(world.winDB.order, id))
{
- init_win_from_winconf(id);
+ append_win(win);
+ return;
}
+ suspend_win(win);
}
-extern void sorted_win_toggle_and_activate()
+extern void toggle_winconfig()
{
- uint8_t i = 0;
- for (; i < strlen(world.wins.order); i++)
+ if (!world.winDB.active)
{
- if (NULL == strchr(world.wins.ids, world.wins.order[i]))
- {
- continue;
- }
- toggle_window(world.wins.order[i]);
- if (world.wins.id_active == (uint8_t) world.wins.order[i])
- {
- world.wins.win_active = get_win_by_id(world.wins.order[i]);
- }
+ 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 char get_next_winconf_id()
+
+extern void toggle_win_size_type(char axis)
{
- static uint8_t i = 0;
- char c = world.wins.ids[i];
- if (0 == c)
+ struct Win * w = get_win_by_id(world.winDB.active);
+ if ('y' == axis)
{
- i = 0;
- return c;
+ w->target_height_type = (0 == w->target_height_type);
+ set_win_target_size(w);
+ return;
}
- i++;
- return c;
+ 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_window(char id)
+extern void toggle_linebreak_type()
{
- struct Win * win = get_win_by_id(id);
- if (0 == win->prev && world.wins.chain_start != win) /* Win struct is */
- { /* outside chain? */
- append_win(win);
+ struct Win * w = get_win_by_id(world.winDB.active);
+ if (0 == w->linebreak)
+ {
+ w->linebreak = 1;
}
- else
+ else if (1 == w->linebreak)
{
- suspend_win(win);
+ w->linebreak = 2;
+ }
+ else if (2 == w->linebreak)
+ {
+ w->linebreak = 0;
}
}
-extern void toggle_winconfig()
+extern void resize_active_win(char change)
{
- struct Win * win = world.wins.win_active;
- struct WinConf * wcp = get_winconf_by_win(win);
- if (0 == wcp->view)
+ if (world.winDB.active)
{
- wcp->view = 1;
- win->draw = draw_winconf_geometry;
- wcp->center = win->center;
- win->center.y = 0;
- win->center.x = 0;
- }
- else if (1 == wcp->view)
- {
- wcp->view = 2;
- win->draw = draw_winconf_keybindings;
- win->center.x = 0;
- }
- else
- {
- wcp->view = 0;
- win->draw = get_drawfunc_by_char(wcp->id);
- win->center = wcp->center;
+ 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 toggle_win_size_type(char axis)
+extern void shift_active_win(char dir)
{
- struct Win * win = world.wins.win_active;
- struct WinConf * wcp = get_winconf_by_win(win);
- if ('y' == axis)
+ uint8_t len_order = strlen(world.winDB.order);
+ if (1 < len_order)
{
- wcp->height_type = (0 == wcp->height_type);
- set_winconf_geometry(wcp->id);
- return;
+ char * tmp = try_malloc(len_order + 1, __func__);
+ tmp[len_order] = '\0';
+ uint8_t pos = get_win_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;
+ }
+ }
+ free(tmp);
+ update_wins(get_win_by_id(world.winDB.order[0]));
}
- wcp->width_type = ( 0 == wcp->width_type
- && win->framesize.x <= world.wins.padsize.x);
- set_winconf_geometry(wcp->id);
}
-extern void scroll_pad(char dir)
+extern void scroll_v_screen(char dir)
{
- if ('+' == dir)
+ if ( '+' == dir
+ && world.winDB.v_screen_offset + world.winDB.v_screen_size.x + 1
+ < getmaxx(world.winDB.v_screen))
{
- reset_pad_offset(world.wins.pad_offset + 1);
+ world.winDB.v_screen_offset++;
}
- else if ('-' == dir)
+ else if ( '-' == dir
+ && world.winDB.v_screen_offset > 0)
{
- reset_pad_offset(world.wins.pad_offset - 1);
+ world.winDB.v_screen_offset--;
}
}
-extern void growshrink_active_window(char change)
+extern void cycle_active_win(char dir)
{
- if (0 != world.wins.win_active)
+ uint8_t len_order = strlen(world.winDB.order);
+ if (1 < len_order)
{
- struct yx_uint16 size = world.wins.win_active->framesize;
- if (change == '-')
- {
- size.y--;
- }
- else if (change == '+')
- {
- size.y++;
- }
- else if (change == '_')
- {
- size.x--;
- }
- else if (change == '*')
+ uint8_t pos = get_win_pos_in_order(world.winDB.active);
+ if ('f' == dir)
{
- size.x++;
+ world.winDB.active = world.winDB.order[pos + 1];
+ if ('\0' == world.winDB.active)
+ {
+ world.winDB.active = world.winDB.order[0];
+ }
+ return;
}
- resize_active_win(size);
- struct WinConf * wcp = get_winconf_by_win(world.wins.win_active);
- if ( 1 == wcp->width_type
- && world.wins.win_active->framesize.x > world.wins.padsize.x)
+ if (pos > 0)
{
- wcp->width_type = 0;
+ world.winDB.active = world.winDB.order[pos - 1];
+ return;
}
- set_winconf_geometry(wcp->id);
+ world.winDB.active = world.winDB.order[len_order - 1];
}
}
projects / plomrogue / blobdiff