X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fwincontrol.c;h=74bd4a202b5a96f73973e4f399985d5b37ec75ca;hb=10680a2398daf76e6a0cd261c2b247e6902f2ad0;hp=f20f37a09366e40c505888cf87341288e37f7409;hpb=db346802082f53faf4d49f234c0ba2cf86221d1e;p=plomrogue

diff --git a/src/wincontrol.c b/src/wincontrol.c
index f20f37a..74bd4a2 100644
--- a/src/wincontrol.c
+++ b/src/wincontrol.c
@@ -1,244 +1,543 @@
 /* wincontrol.c */
 
 #include "wincontrol.h"
-#include <stdlib.h> /* for malloc(), free() */
-#include <string.h> /* for strlen() */
+#include <stdlib.h> /* for free() */
+#include <string.h> /* for strlen(), strchr(), strstr() */
 #include <stdint.h> /* for uint8_t, uint16_t */
 #include "windows.h" /* for suspend_win(), append_win(), reset_pad_offset(),
-                      * resize_active_win(), init_win(), free_win(),
-                      * structs Win, WinMeta
+                      * resize_active_win(), init_win(), free_win(), struct Win
                       */
 #include "yx_uint16.h" /* for yx_uint16 struct */
-#include "main.h" /* for Wins struct */
-#include "misc.h" /* for textfile_sizes() */
-#include "rexit.h" /* for exit_err() */
-#include "main.h" /* for World, Wins structs */
-#include "draw_wins.h" /* for draw_keys_win(), draw_info_win(), draw_log_win(),
-                        * draw_map_win
+#include "main.h" /* for world global */
+#include "readwrite.h" /* for textfile_sizes(), try_fopen(), try_fclose(),
+                        * try_fgets(), try_fclose_unlink_rename(), try_fwrite()
+                        * try_fgetc_noeof()
                         */
+#include "rexit.h" /* for exit_err(), exit_trouble() */
+#include "draw_wins.h" /* for 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 "misc.h" /* for try_malloc() */
+#include "dirent.h" /* for opendir(), closedir(), readdir() */
+#include "errno.h" /* for errno */
+#include "keybindings.h" /* for KeyBinding struct, free_keybindings() */
+
 
 
+/* Return string "prefix" + "id"; malloc()'s string, remember to call free()! */
+static char * string_prefixed_id(char * prefix, char id);
 
 /* Initialize Winconf of "id" from appropriate config file.*/
-static void init_winconf_from_file(struct World * world, char id);
+static void init_winconf_from_file(char id, struct WinConf * winconf);
+
+/* Wrapper around init_win() called with values from Winconf of "id". */
+static void init_win_from_winconf(char id);
+
+/* Save title, draw function, size of window identified by "id" to conffile. */
+static void save_win_config(char id);
+
+/* Free data pointed to inside individual WinConf struct of "id". */
+static void free_winconf_data(char id);
+
+/* Write geometry of a window to its WinConf, as positive or negative values
+ * (dependent on state ofWinConf->height_type / WinConf->width_type).
+ */
+static void set_winconf_geometry(char id);
+
+/* Get WinConf by "id"; get id of WinConf mothering "win". */
+static struct WinConf * get_winconf_by_id(char id);
+
+/* Get (Win->draw) function identified by "c"; NULL if c not mapped to one. */
+static void * get_drawfunc_by_char(char c);
 
-/* Wrapper around init_win() called with values from appropriate Winconf. */
-static void init_win_from_winconf(struct World * world, char id);
+/* Iterate over chars of world.winconf_ids array. Re-start after null byte. */
+static char get_next_winconf_id();
 
 
 
-static void init_winconf_from_file(struct World * world, char id)
+static char * string_prefixed_id(char * prefix, char id)
 {
-    char * err_m = "Trouble in init_win_from_file() with malloc().";
-    char * prefix = "config/windows/Win_";
     uint8_t size = strlen(prefix) + 2;
-    char * path = malloc(size);
-    exit_err(NULL == path, world, err_m);
+    char * path = try_malloc(size, "string_prefixed_id()");
     sprintf(path, "%s_", prefix);
     path[size - 2] = id;
-    char * err = "Trouble in init_win_from_file() with fopen().";
-    FILE * file = fopen(path, "r");
-    exit_err(NULL == file, world, err);
+    return path;
+}
+
+
+
+static void init_winconf_from_file(char id, struct WinConf * winconf)
+{
+    /* Assign WinConf id to filename path, error message context, winconf->id.*/
+    char * tmp = "init_winconf_from_file() on window id '_'";
+    char * context = try_malloc(strlen(tmp) + 1, "init_winconf_from_file()");
+    memcpy(context, tmp, strlen(tmp) + 1);
+    context[strlen(tmp) - 2] = id;
+    char * path = string_prefixed_id("config/windows/Win_", id);
+    winconf->id = id;
+
+    /* Prepare reading in file line by line into "line" array. */
+    FILE * file = try_fopen(path, "r", context);
     free(path);
+    uint16_t linemax = textfile_sizes(file, NULL/*, context*/);
+    char line[linemax + 1];
 
-    struct WinConf * winconf = get_winconf_by_id(world, id);
-    uint16_t linemax;
-    err = "Trouble in init_win_from_file() with textfile_sizes().";
-    exit_err(textfile_sizes(file, &linemax, NULL), world, err);
-    char * line = malloc(linemax);
-    exit_err(NULL == line, world, err_m);
-    err = "Trouble in init_win_from_file() with fgets().";
-
-    exit_err(NULL == fgets(line, linemax, file), world, err);
-    winconf->title = malloc(strlen(line));
-    exit_err(NULL == winconf->title, world, err_m);
+    /* Read/determine winconf->title, ->draw, ->height(_type),->width(_type). */
+    try_fgets(line, linemax + 1, file, context);
+    winconf->title = try_malloc(strlen(line), context);
     memcpy(winconf->title, line, strlen(line) - 1); /* Eliminate newline char */
     winconf->title[strlen(line) - 1] = '\0';        /* char at end of string. */
-    exit_err(NULL == fgets(line, linemax, file), world, err);
+    try_fgets(line, linemax + 1, file, context);
+    winconf->draw = line[0];
+    try_fgets(line, linemax + 1, file, context);
     winconf->height = atoi(line);
-    exit_err(NULL == fgets(line, linemax, file), world, err);
+    winconf->height_type = (0 >= winconf->height);
+    try_fgets(line, linemax + 1, file, context);
     winconf->width = atoi(line);
+    winconf->width_type = (0 >= winconf->width);
+
+    /* Read in window-specific keybindings (winconf->kb). */
+    char command[linemax + 1];
+    char * cmdptr;
+    struct KeyBinding ** loc_last_ptr = &winconf->kb.kbs;
+    * loc_last_ptr = 0;
+    while (fgets(command, linemax + 1, file))
+    {
+        if ('\n' == command[0] || 0 == command[0])
+        {
+            break;
+        }
+        * loc_last_ptr = try_malloc(sizeof(struct KeyBinding), context);
+        struct KeyBinding * kb_p = * loc_last_ptr;
+        kb_p->next = 0;
+        kb_p->key = atoi(command);
+        cmdptr = strchr(command, ' ') + 1;
+        kb_p->name = try_malloc(strlen(cmdptr), context);
+        memcpy(kb_p->name, cmdptr, strlen(cmdptr) - 1);
+        kb_p->name[strlen(cmdptr) - 1] = '\0';
+        loc_last_ptr = & kb_p->next;
+    }
 
-    free(line);
-    err = "Trouble in init_win_from_file() with fclose().";
-    exit_err(fclose(file), world, err);
+    /* Init remaining values to zero and cleaning up. */
+    winconf->view = 0;
+    winconf->kb.edit = 0;
+    winconf->kb.select = 0;
+    try_fclose(file, context);
+    free(context);
 }
 
 
 
-static void init_win_from_winconf(struct World * world, char id)
+static void init_win_from_winconf(char id)
 {
-    struct WinConf * winconf = get_winconf_by_id(world, id);
-    char * err = "Trouble in init_win_from_file() with init_win().";
-    exit_err(init_win(world->wmeta, &winconf->win, winconf->title,
-                      winconf->height, winconf->width, world, winconf->draw),
-             world, err);
+    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->draw);
+    exit_err(NULL == f, err);
+    init_win(&winconf->win, winconf->title, winconf->height, winconf->width, f);
 }
 
 
 
-extern void create_winconfs(struct World * world)
+static void save_win_config(char id)
 {
-    char * err = "Trouble with malloc() in init_winconfs().";
-    struct WinConf * winconfs = malloc(4 * sizeof(struct WinConf));
-    exit_err(NULL == winconfs, world, err);
-    winconfs[0].id = 'i';
-    winconfs[0].draw = draw_info_win;
-    winconfs[1].id = 'k';
-    winconfs[1].draw = draw_keys_win;
-    winconfs[2].id = 'l';
-    winconfs[2].draw = draw_log_win;
-    winconfs[3].id = 'm';
-    winconfs[3].draw = draw_map_win;
-    world->winconfs = winconfs;
+    char * f_name = "save_win_config()";
+
+    /* Prepare atomic file saving. */
+    char * path_tmp = string_prefixed_id("config/windows/Win_tmp_", id);
+    FILE * file = try_fopen(path_tmp, "w", f_name);
+
+    /* Save, line by line, ->title, ->draw, ->height and ->width. */
+    struct WinConf * wc = get_winconf_by_id(id);
+    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, "%s\n", wc->title);
+    try_fwrite(line, sizeof(char), strlen(line), file, f_name);
+    sprintf(line, "%c\n", wc->draw);
+    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);
+
+    /* Save window-specific keybindings (->kb.kbs). */
+    uint16_t linemax = 0;
+    struct KeyBinding * kb_p = wc->kb.kbs;
+    while (0 != kb_p)
+    {
+        if (strlen(kb_p->name) > linemax)
+        {
+            linemax = strlen(kb_p->name);
+        }
+        kb_p = kb_p->next;
+    }
+    linemax = linemax + 6;          /* + 6: + 3 digits + whitespace + \n + \0 */
+    char kb_line[linemax];
+    kb_p = wc->kb.kbs;
+    while (0 != kb_p)
+    {
+        sprintf(kb_line, "%d %s\n", kb_p->key, kb_p->name);
+        try_fwrite(kb_line, sizeof(char), strlen(kb_line), file, f_name);
+        kb_p = kb_p->next;
+    }
+
+    /* Finish atomic file saving and clean up. */
+    char * path = string_prefixed_id("config/windows/Win_", id);
+    try_fclose_unlink_rename(file, path_tmp, path, f_name);
+    free(path);
+    free(path_tmp);
 }
 
 
 
-extern void init_winconfs(struct World * world)
+static void free_winconf_data(char id)
 {
-    init_winconf_from_file(world, 'i');
-    init_winconf_from_file(world, 'k');
-    init_winconf_from_file(world, 'l');
-    init_winconf_from_file(world, 'm');
+    struct WinConf * wc = get_winconf_by_id(id);
+    free(wc->title);
+    free_keybindings(wc->kb.kbs);
+    free_win(wc->win);
 }
 
 
 
-extern void free_winconf(struct World * world, char id)
+static void set_winconf_geometry(char id)
 {
-    struct WinConf * wc = get_winconf_by_id(world, id);
-    free(wc->title);
+    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)
+    {
+        wcp->height = wcp->win->framesize.y - world.wmeta->padsize.y + 1;
+    }
+    if      (0 == wcp->width_type)
+    {
+        wcp->width = wcp->win->framesize.x;
+    }
+    else if (1 == wcp->width_type)
+    {
+        wcp->width = wcp->win->framesize.x - world.wmeta->padsize.x;
+    }
 }
 
 
 
-extern void free_winconfs(struct World * world)
+static struct WinConf * get_winconf_by_id(char id)
 {
-    free_winconf(world, 'i');
-    free_winconf(world, 'k');
-    free_winconf(world, 'l');
-    free_winconf(world, 'm');
-    free(world->winconfs);
+    uint8_t i = 0;
+    while (1)
+    {
+        if (id == world.winconfs[i].id)
+        {
+            return &world.winconfs[i];
+        }
+        i++;
+    }
 }
 
 
 
-extern void init_wins(struct World * world)
+static void * get_drawfunc_by_char(char c)
 {
-    init_win_from_winconf(world, 'i');
-    init_win_from_winconf(world, 'k');
-    init_win_from_winconf(world, 'l');
-    init_win_from_winconf(world, 'm');
+    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)
+    {
+        return draw_win_map;
+    }
+    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 free_wins(struct World * world)
+static char get_next_winconf_id()
 {
-    free_win(get_win_by_id(world, 'i'));
-    free_win(get_win_by_id(world, 'k'));
-    free_win(get_win_by_id(world, 'l'));
-    free_win(get_win_by_id(world, 'm'));
+    static uint8_t i = 0;
+    char c = world.winconf_ids[i];
+    if (0 == c)
+    {
+        i = 0;
+        return c;
+    }
+    i++;
+    return c;
 }
 
 
 
-extern void reload_win_config(struct World * world)
+extern struct WinConf * get_winconf_by_win(struct Win * win)
 {
-    while (0 != world->wmeta->active)
+    uint8_t i = 0;
+    while (1)
     {
-        suspend_win(world->wmeta, world->wmeta->active);
+        if (win == world.winconfs[i].win)
+        {
+            return &world.winconfs[i];
+        }
+        i++;
     }
-    free_wins(world);
-    free_winconfs(world);
-    create_winconfs(world);
-    init_winconfs(world);
-    init_wins(world);
-    sorted_wintoggle(world);
 }
 
 
 
-extern struct WinConf * get_winconf_by_id(struct World * world, char id)
+extern struct Win * get_win_by_id(char id)
+{
+    struct WinConf * wc = get_winconf_by_id(id);
+    return wc->win;
+}
+
+
+
+extern void init_winconfs()
 {
+    char * f_name = "init_winconfs()";
+
+    /* Fill world.winconf_ids with config/windows/Win_* filenames' end chars. */
+    uint8_t max_wins = 255;         /* Maximum number of window ids to store. */
+    DIR * dp = opendir("config/windows");
+    exit_trouble(NULL == dp, f_name, "opendir()");
+    struct dirent * fn;
+    errno = 0;
+    char * winconf_ids = try_malloc(max_wins + 1, f_name);
     uint8_t i = 0;
-    while (1)
+    char id;
+    while (NULL != (fn = readdir(dp)) && i < max_wins)
     {
-        if (id == world->winconfs[i].id)
+        if (5 == strlen(fn->d_name) && fn->d_name == strstr(fn->d_name, "Win_"))
         {
-            return &world->winconfs[i];
+            id = fn->d_name[4];
+            winconf_ids[i] = id;
+            i++;
         }
+    }
+    winconf_ids[i] = '\0';
+    exit_trouble(errno, f_name, "readdir()");
+    exit_trouble(closedir(dp), f_name, "closedir()");
+    world.winconf_ids = try_malloc(strlen(winconf_ids) + 1, f_name);
+    memcpy(world.winconf_ids, winconf_ids, strlen(winconf_ids) + 1);
+    free(winconf_ids);
+
+    /* Initialize world.winconfs from Win_* files named in world.winconf_ids. */
+    size_t size = strlen(world.winconf_ids) * sizeof(struct WinConf);
+    world.winconfs = try_malloc(size, f_name);
+    i = 0;
+    while (0 != (id = get_next_winconf_id()))
+    {
+        init_winconf_from_file(id, &world.winconfs[i]);
         i++;
     }
 }
 
 
 
-extern struct Win * get_win_by_id(struct World * world, char id)
+extern void free_winconfs()
 {
-    struct WinConf * wc = get_winconf_by_id(world, id);
-    return wc->win;
+    char id;
+    while (0 != (id = get_next_winconf_id()))
+    {
+        free_winconf_data(id);
+    }
+    free(world.winconf_ids);
+    free(world.winconfs);
 }
 
 
 
-extern void sorted_wintoggle(struct World * world)
+extern void init_wins()
 {
-    char * err = "Trouble in sorted_wintoggle() with fopen().";
-    FILE * file = fopen("config/windows/toggle_order", "r");
-    exit_err(NULL == file, world, err);
-    uint16_t linemax;
-    err = "Trouble in sorted_wintoggle() with textfile_sizes().";
-    exit_err(textfile_sizes(file, &linemax, NULL), world, err);
-    char win_order[linemax];
-    err = "Trouble in sorted_wintoggle() with fgets().";
-    exit_err(NULL == fgets(win_order, linemax, file), world, err);
-    err = "Trouble in sorted_wintoggle() with fclose().";
-    exit_err(fclose(file), world, err);
+    char id;
+    while (0 != (id = get_next_winconf_id()))
+    {
+        init_win_from_winconf(id);
+    }
+}
+
+
+
+extern void sorted_wintoggle_and_activate()
+{
+    char * f_name = "sorted_wintoggle_and_activate()";
+
+    /* Read from file order of windows to be toggled + active win selection. */
+    char * path = "config/windows/toggle_order_and_active";
+    FILE * file = try_fopen(path, "r", f_name);
+    uint16_t linemax = textfile_sizes(file, NULL);
+    char win_order[linemax + 1];
+    try_fgets(win_order, linemax + 1, file, f_name);
+    uint8_t a = try_fgetc_noeof(file, f_name);
+    try_fclose(file, f_name);
+
+    /* Toggle windows and set active window selection. */
     uint8_t i = 0;
-    for (; i < linemax - 2; i++)
+    for (; i < strlen(win_order) - 1; i++)
     {
-        toggle_window(world->wmeta, get_win_by_id(world, win_order[i]));
+        if (NULL == strchr(world.winconf_ids, win_order[i]))
+        {
+            continue;
+        }
+        toggle_window(win_order[i]);
+        if (a == (uint8_t) win_order[i])
+        {
+            world.wmeta->active = get_win_by_id(win_order[i]);
+        }
     }
 }
 
 
 
+extern void save_win_configs()
+{
+    char * f_name = "save_win_configs()";
+
+    /* Save individual world.winconfs to their proper files. */
+    uint8_t max_wins = 255; /* So many winconf ids fit into world.winconf_ids.*/
+    char id;
+    while (0 != (id = get_next_winconf_id()))
+    {
+        save_win_config(id);
+    }
 
-extern uint8_t toggle_window(struct WinMeta * win_meta, struct Win * win)
+    /* Save order of windows to toggle on start / which to select as active. */
+    char * path     = "config/windows/toggle_order_and_active";
+    char * path_tmp = "config/windows/toggle_order_and_active_tmp";
+    FILE * file = try_fopen(path_tmp, "w", f_name);
+    char line[max_wins + 2];
+    struct Win * w_p = world.wmeta->chain_start;
+    uint8_t i = 0;
+    while (0 != w_p && i < max_wins)
+    {
+        struct WinConf * wc = get_winconf_by_win(w_p);
+        line[i] = wc->id;
+        w_p = w_p->next;
+        i++;
+    }
+    line[i] = '\n';
+    line[i + 1] = '\0';
+    try_fwrite(line, sizeof(char), strlen(line), file, f_name);
+    if (0 != world.wmeta->active)
+    {
+        struct WinConf * wc = get_winconf_by_win(world.wmeta->active);
+        try_fputc(wc->id, file, f_name);
+    }
+    try_fclose_unlink_rename(file, path_tmp, path, f_name);
+}
+
+
+
+extern void toggle_window(char id)
+{
+    struct Win * win = get_win_by_id(id);
+    if (0 == win->prev && world.wmeta->chain_start != win)  /* Win struct is  */
+    {                                                       /* outside chain? */
+        append_win(win);
+    }
+    else
+    {
+        suspend_win(win);
+    }
+}
+
+
+
+extern void toggle_winconfig()
 {
-    if (0 != win->frame.curses_win)
+   struct Win * win = world.wmeta->active;
+   struct WinConf * wcp = get_winconf_by_win(win);
+    if      (0 == wcp->view)
     {
-        return suspend_win(win_meta, win);
+        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
     {
-        return append_win(win_meta, win);
+        wcp->view     = 0;
+        win->draw     = get_drawfunc_by_char(wcp->draw);
+        win->center   = wcp->center;
     }
 }
 
 
 
-extern void scroll_pad(struct WinMeta * win_meta, char dir)
+extern void toggle_win_size_type(char axis)
+{
+    struct Win * win = world.wmeta->active;
+    struct WinConf * wcp = get_winconf_by_win(win);
+    if ('y' == axis)
+    {
+        wcp->height_type = (0 == wcp->height_type);
+        set_winconf_geometry(wcp->id);
+        return;
+    }
+    wcp->width_type = (   0 == wcp->width_type
+                       && win->framesize.x <= world.wmeta->padsize.x);
+    set_winconf_geometry(wcp->id);
+}
+
+
+
+extern void scroll_pad(char dir)
 {
     if      ('+' == dir)
     {
-        reset_pad_offset(win_meta, win_meta->pad_offset + 1);
+        reset_pad_offset(world.wmeta->pad_offset + 1);
     }
     else if ('-' == dir)
     {
-        reset_pad_offset(win_meta, win_meta->pad_offset - 1);
+        reset_pad_offset(world.wmeta->pad_offset - 1);
     }
 }
 
 
 
-extern uint8_t growshrink_active_window(struct WinMeta * win_meta, char change)
+extern void growshrink_active_window(char change)
 {
-    if (0 != win_meta->active)
+    if (0 != world.wmeta->active)
     {
-        struct yx_uint16 size = win_meta->active->frame.size;
+        struct yx_uint16 size = world.wmeta->active->framesize;
         if      (change == '-')
         {
             size.y--;
@@ -255,7 +554,13 @@ extern uint8_t growshrink_active_window(struct WinMeta * win_meta, char change)
         {
             size.x++;
         }
-        return resize_active_win (win_meta, size);
+        resize_active_win(size);
+        struct WinConf * wcp = get_winconf_by_win(world.wmeta->active);
+        if (   1 == wcp->width_type
+            && world.wmeta->active->framesize.x > world.wmeta->padsize.x)
+        {
+            wcp->width_type = 0;
+        }
+        set_winconf_geometry(wcp->id);
     }
-    return 0;
 }