GTK 3 port: use GdkRGBA for the window background colour.

[sgt-puzzles.git] / unequal.c

diff --git a/unequal.c b/unequal.c
index 57fbea37f57fdbaf7f390c9f5d0a6c5472a14c16..3a518d9cd5a679b03beb47fd8132d72dcce3cee0 100644 (file)
--- a/unequal.c
+++ b/unequal.c
@@ -156,7 +156,7 @@ static void free_params(game_params *params)
     sfree(params);
 }
 
-static game_params *dup_params(game_params *params)
+static game_params *dup_params(const game_params *params)
 {
     game_params *ret = snew(game_params);
     *ret = *params;       /* structure copy */
@@ -190,7 +190,7 @@ static void decode_params(game_params *ret, char const *string)
     }
 }
 
-static char *encode_params(game_params *params, int full)
+static char *encode_params(const game_params *params, int full)
 {
     char ret[80];
 
@@ -203,7 +203,7 @@ static char *encode_params(game_params *params, int full)
     return dupstr(ret);
 }
 
-static config_item *game_configure(game_params *params)
+static config_item *game_configure(const game_params *params)
 {
     config_item *ret;
     char buf[80];
@@ -234,7 +234,7 @@ static config_item *game_configure(game_params *params)
     return ret;
 }
 
-static game_params *custom_params(config_item *cfg)
+static game_params *custom_params(const config_item *cfg)
 {
     game_params *ret = snew(game_params);
 
@@ -245,7 +245,7 @@ static game_params *custom_params(config_item *cfg)
     return ret;
 }
 
-static char *validate_params(game_params *params, int full)
+static char *validate_params(const game_params *params, int full)
 {
     if (params->order < 3 || params->order > 32)
         return "Order must be between 3 and 32";
@@ -288,7 +288,7 @@ static game_state *blank_game(int order, int adjacent)
     return state;
 }
 
-static game_state *dup_game(game_state *state)
+static game_state *dup_game(const game_state *state)
 {
     game_state *ret = blank_game(state->order, state->adjacent);
     int o2 = state->order*state->order, o3 = o2*state->order;
@@ -446,12 +446,12 @@ static int c2n(int c, int order) {
     return -1;
 }
 
-static int game_can_format_as_text_now(game_params *params)
+static int game_can_format_as_text_now(const game_params *params)
 {
     return TRUE;
 }
 
-static char *game_text_format(game_state *state)
+static char *game_text_format(const game_state *state)
 {
     int x, y, len, n;
     char *ret, *p;
@@ -829,7 +829,8 @@ static int solver_state(game_state *state, int maxdiff)
     return 1;
 }
 
-static game_state *solver_hint(game_state *state, int *diff_r, int mindiff, int maxdiff)
+static game_state *solver_hint(const game_state *state, int *diff_r,
+                               int mindiff, int maxdiff)
 {
     game_state *ret = dup_game(state);
     int diff, r = 0;
@@ -951,7 +952,7 @@ static int gg_best_clue(game_state *state, int *scratch, digit *latin)
 {
     int ls = state->order * state->order * 5;
     int maxposs = 0, minclues = 5, best = -1, i, j;
-    int nposs, nclues, loc, x, y;
+    int nposs, nclues, loc;
 
 #ifdef STANDALONE_SOLVER
     if (solver_show_working) {
@@ -964,7 +965,6 @@ static int gg_best_clue(game_state *state, int *scratch, digit *latin)
         if (!gg_place_clue(state, scratch[i], latin, 1)) continue;
 
         loc = scratch[i] / 5;
-        x = loc % state->order; y = loc / state->order;
         for (j = nposs = 0; j < state->order; j++) {
             if (state->hints[loc*state->order + j]) nposs++;
         }
@@ -975,9 +975,11 @@ static int gg_best_clue(game_state *state, int *scratch, digit *latin)
             (nposs == maxposs && nclues < minclues)) {
             best = i; maxposs = nposs; minclues = nclues;
 #ifdef STANDALONE_SOLVER
-            if (solver_show_working)
+            if (solver_show_working) {
+                int x = loc % state->order, y = loc / state->order;
                 printf("gg_best_clue: b%d (%d,%d) new best [%d poss, %d clues].\n",
                        best, x+1, y+1, nposs, nclues);
+            }
 #endif
         }
     }
@@ -1093,9 +1095,11 @@ static void add_adjacent_flags(game_state *state, digit *latin)
     }
 }
 
-static char *new_game_desc(game_params *params, random_state *rs,
+static char *new_game_desc(const game_params *params_in, random_state *rs,
                           char **aux, int interactive)
 {
+    game_params params_copy = *params_in; /* structure copy */
+    game_params *params = &params_copy;
     digit *sq = NULL;
     int i, x, y, retlen, k, nsol;
     int o2 = params->order * params->order, ntries = 1;
@@ -1187,11 +1191,11 @@ generate:
     return ret;
 }
 
-static game_state *load_game(game_params *params, char *desc,
+static game_state *load_game(const game_params *params, const char *desc,
                              char **why_r)
 {
     game_state *state = blank_game(params->order, params->adjacent);
-    char *p = desc;
+    const char *p = desc;
     int i = 0, n, o = params->order, x, y;
     char *why = NULL;
 
@@ -1273,7 +1277,8 @@ fail:
     return NULL;
 }
 
-static game_state *new_game(midend *me, game_params *params, char *desc)
+static game_state *new_game(midend *me, const game_params *params,
+                            const char *desc)
 {
     game_state *state = load_game(params, desc, NULL);
     if (!state) {
@@ -1283,7 +1288,7 @@ static game_state *new_game(midend *me, game_params *params, char *desc)
     return state;
 }
 
-static char *validate_desc(game_params *params, char *desc)
+static char *validate_desc(const game_params *params, const char *desc)
 {
     char *why = NULL;
     game_state *dummy = load_game(params, desc, &why);
@@ -1295,8 +1300,8 @@ static char *validate_desc(game_params *params, char *desc)
     return why;
 }
 
-static char *solve_game(game_state *state, game_state *currstate,
-                       char *aux, char **error)
+static char *solve_game(const game_state *state, const game_state *currstate,
+                        const char *aux, char **error)
 {
     game_state *solved;
     int r;
@@ -1324,7 +1329,7 @@ struct game_ui {
     int hshow, hpencil, hcursor;        /* show state, type, and ?cursor. */
 };
 
-static game_ui *new_ui(game_state *state)
+static game_ui *new_ui(const game_state *state)
 {
     game_ui *ui = snew(game_ui);
 
@@ -1339,17 +1344,17 @@ static void free_ui(game_ui *ui)
     sfree(ui);
 }
 
-static char *encode_ui(game_ui *ui)
+static char *encode_ui(const game_ui *ui)
 {
     return NULL;
 }
 
-static void decode_ui(game_ui *ui, char *encoding)
+static void decode_ui(game_ui *ui, const char *encoding)
 {
 }
 
-static void game_changed_state(game_ui *ui, game_state *oldstate,
-                               game_state *newstate)
+static void game_changed_state(game_ui *ui, const game_state *oldstate,
+                               const game_state *newstate)
 {
     /* See solo.c; if we were pencil-mode highlighting and
      * somehow a square has just been properly filled, cancel
@@ -1370,8 +1375,9 @@ struct game_drawstate {
     int hflash;
 };
 
-static char *interpret_move(game_state *state, game_ui *ui, game_drawstate *ds,
-                           int ox, int oy, int button)
+static char *interpret_move(const game_state *state, game_ui *ui,
+                            const game_drawstate *ds,
+                            int ox, int oy, int button)
 {
     int x = FROMCOORD(ox), y = FROMCOORD(oy), n;
     char buf[80];
@@ -1455,7 +1461,7 @@ static char *interpret_move(game_state *state, game_ui *ui, game_drawstate *ds,
     return NULL;
 }
 
-static game_state *execute_move(game_state *state, char *move)
+static game_state *execute_move(const game_state *state, const char *move)
 {
     game_state *ret = NULL;
     int x, y, n, i, rc;
@@ -1480,7 +1486,7 @@ static game_state *execute_move(game_state *state, char *move)
         }
         return ret;
     } else if (move[0] == 'S') {
-        char *p;
+        const char *p;
 
         ret = dup_game(state);
         ret->completed = ret->cheated = TRUE;
@@ -1522,8 +1528,8 @@ badmove:
 
 #define DRAW_SIZE (TILE_SIZE*ds->order + GAP_SIZE*(ds->order-1) + BORDER*2)
 
-static void game_compute_size(game_params *params, int tilesize,
-                             int *x, int *y)
+static void game_compute_size(const game_params *params, int tilesize,
+                              int *x, int *y)
 {
     /* Ick: fake up `ds->tilesize' for macro expansion purposes */
     struct { int tilesize, order; } ads, *ds = &ads;
@@ -1534,7 +1540,7 @@ static void game_compute_size(game_params *params, int tilesize,
 }
 
 static void game_set_size(drawing *dr, game_drawstate *ds,
-                         game_params *params, int tilesize)
+                          const game_params *params, int tilesize)
 {
     ds->tilesize = tilesize;
 }
@@ -1568,7 +1574,7 @@ static float *game_colours(frontend *fe, int *ncolours)
     return ret;
 }
 
-static game_drawstate *game_new_drawstate(drawing *dr, game_state *state)
+static game_drawstate *game_new_drawstate(drawing *dr, const game_state *state)
 {
     struct game_drawstate *ds = snew(struct game_drawstate);
     int o2 = state->order*state->order, o3 = o2*state->order;
@@ -1619,40 +1625,40 @@ static void draw_gt(drawing *dr, int ox, int oy,
 }
 
 static void draw_gts(drawing *dr, game_drawstate *ds, int ox, int oy,
-                     unsigned int f, int col)
+                     unsigned int f, int bg, int fg)
 {
     int g = GAP_SIZE, g2 = (g+1)/2, g4 = (g+1)/4;
 
     /* Draw all the greater-than signs emanating from this tile. */
 
     if (f & F_ADJ_UP) {
-       draw_rect(dr, ox, oy - g, TILE_SIZE, g, COL_BACKGROUND);
+       if (bg >= 0) draw_rect(dr, ox, oy - g, TILE_SIZE, g, bg);
         draw_gt(dr, ox+g2, oy-g4, g2, -g2, g2, g2,
-               (f & F_ERROR_UP) ? COL_ERROR : col);
+               (f & F_ERROR_UP) ? COL_ERROR : fg);
         draw_update(dr, ox, oy-g, TILE_SIZE, g);
     }
     if (f & F_ADJ_RIGHT) {
-       draw_rect(dr, ox + TILE_SIZE, oy, g, TILE_SIZE, COL_BACKGROUND);
+       if (bg >= 0) draw_rect(dr, ox + TILE_SIZE, oy, g, TILE_SIZE, bg);
         draw_gt(dr, ox+TILE_SIZE+g4, oy+g2, g2, g2, -g2, g2,
-                (f & F_ERROR_RIGHT) ? COL_ERROR : col);
+                (f & F_ERROR_RIGHT) ? COL_ERROR : fg);
         draw_update(dr, ox+TILE_SIZE, oy, g, TILE_SIZE);
     }
     if (f & F_ADJ_DOWN) {
-       draw_rect(dr, ox, oy + TILE_SIZE, TILE_SIZE, g, COL_BACKGROUND);
+       if (bg >= 0) draw_rect(dr, ox, oy + TILE_SIZE, TILE_SIZE, g, bg);
         draw_gt(dr, ox+g2, oy+TILE_SIZE+g4, g2, g2, g2, -g2,
-               (f & F_ERROR_DOWN) ? COL_ERROR : col);
+               (f & F_ERROR_DOWN) ? COL_ERROR : fg);
         draw_update(dr, ox, oy+TILE_SIZE, TILE_SIZE, g);
     }
     if (f & F_ADJ_LEFT) {
-       draw_rect(dr, ox - g, oy, g, TILE_SIZE, COL_BACKGROUND);
+       if (bg >= 0) draw_rect(dr, ox - g, oy, g, TILE_SIZE, bg);
         draw_gt(dr, ox-g4, oy+g2, -g2, g2, g2, g2,
-                (f & F_ERROR_LEFT) ? COL_ERROR : col);
+                (f & F_ERROR_LEFT) ? COL_ERROR : fg);
         draw_update(dr, ox-g, oy, g, TILE_SIZE);
     }
 }
 
 static void draw_adjs(drawing *dr, game_drawstate *ds, int ox, int oy,
-                     unsigned int f, int col)
+                      unsigned int f, int bg, int fg)
 {
     int g = GAP_SIZE, g38 = 3*(g+1)/8, g4 = (g+1)/4;
 
@@ -1666,30 +1672,31 @@ static void draw_adjs(drawing *dr, game_drawstate *ds, int ox, int oy,
     if (f & (F_ADJ_RIGHT|F_ERROR_RIGHT)) {
         if (f & F_ADJ_RIGHT) {
             draw_rect(dr, ox+TILE_SIZE+g38, oy, g4, TILE_SIZE,
-                      (f & F_ERROR_RIGHT) ? COL_ERROR : col);
+                      (f & F_ERROR_RIGHT) ? COL_ERROR : fg);
         } else {
             draw_rect_outline(dr, ox+TILE_SIZE+g38, oy, g4, TILE_SIZE, COL_ERROR);
         }
-    } else {
-        draw_rect(dr, ox+TILE_SIZE+g38, oy, g4, TILE_SIZE, COL_BACKGROUND);
+    } else if (bg >= 0) {
+        draw_rect(dr, ox+TILE_SIZE+g38, oy, g4, TILE_SIZE, bg);
     }
     draw_update(dr, ox+TILE_SIZE, oy, g, TILE_SIZE);
 
     if (f & (F_ADJ_DOWN|F_ERROR_DOWN)) {
         if (f & F_ADJ_DOWN) {
             draw_rect(dr, ox, oy+TILE_SIZE+g38, TILE_SIZE, g4,
-                      (f & F_ERROR_DOWN) ? COL_ERROR : col);
+                      (f & F_ERROR_DOWN) ? COL_ERROR : fg);
         } else {
             draw_rect_outline(dr, ox, oy+TILE_SIZE+g38, TILE_SIZE, g4, COL_ERROR);
         }
-    } else {
-        draw_rect(dr, ox, oy+TILE_SIZE+g38, TILE_SIZE, g4, COL_BACKGROUND);
+    } else if (bg >= 0) {
+        draw_rect(dr, ox, oy+TILE_SIZE+g38, TILE_SIZE, g4, bg);
     }
     draw_update(dr, ox, oy+TILE_SIZE, TILE_SIZE, g);
 }
 
-static void draw_furniture(drawing *dr, game_drawstate *ds, game_state *state,
-                           game_ui *ui, int x, int y, int hflash)
+static void draw_furniture(drawing *dr, game_drawstate *ds,
+                           const game_state *state, const game_ui *ui,
+                           int x, int y, int hflash)
 {
     int ox = COORD(x), oy = COORD(y), bg, hon;
     unsigned int f = GRID(state, flags, x, y);
@@ -1721,9 +1728,9 @@ static void draw_furniture(drawing *dr, game_drawstate *ds, game_state *state,
 
     /* Draw the adjacent clue signs. */
     if (ds->adjacent)
-        draw_adjs(dr, ds, ox, oy, f, COL_GRID);
+        draw_adjs(dr, ds, ox, oy, f, COL_BACKGROUND, COL_GRID);
     else
-        draw_gts(dr, ds, ox, oy, f, COL_TEXT);
+        draw_gts(dr, ds, ox, oy, f, COL_BACKGROUND, COL_TEXT);
 }
 
 static void draw_num(drawing *dr, game_drawstate *ds, int x, int y)
@@ -1779,9 +1786,10 @@ static void draw_hints(drawing *dr, game_drawstate *ds, int x, int y)
     }
 }
 
-static void game_redraw(drawing *dr, game_drawstate *ds, game_state *oldstate,
-                       game_state *state, int dir, game_ui *ui,
-                       float animtime, float flashtime)
+static void game_redraw(drawing *dr, game_drawstate *ds,
+                        const game_state *oldstate, const game_state *state,
+                        int dir, const game_ui *ui,
+                        float animtime, float flashtime)
 {
     int x, y, i, hchanged = 0, stale, hflash = 0;
 
@@ -1849,14 +1857,14 @@ static void game_redraw(drawing *dr, game_drawstate *ds, game_state *oldstate,
     ds->hflash = hflash;
 }
 
-static float game_anim_length(game_state *oldstate, game_state *newstate,
-                             int dir, game_ui *ui)
+static float game_anim_length(const game_state *oldstate,
+                              const game_state *newstate, int dir, game_ui *ui)
 {
     return 0.0F;
 }
 
-static float game_flash_length(game_state *oldstate, game_state *newstate,
-                              int dir, game_ui *ui)
+static float game_flash_length(const game_state *oldstate,
+                               const game_state *newstate, int dir, game_ui *ui)
 {
     if (!oldstate->completed && newstate->completed &&
         !oldstate->cheated && !newstate->cheated)
@@ -1864,12 +1872,17 @@ static float game_flash_length(game_state *oldstate, game_state *newstate,
     return 0.0F;
 }
 
-static int game_timing_state(game_state *state, game_ui *ui)
+static int game_status(const game_state *state)
+{
+    return state->completed ? +1 : 0;
+}
+
+static int game_timing_state(const game_state *state, game_ui *ui)
 {
     return TRUE;
 }
 
-static void game_print_size(game_params *params, float *x, float *y)
+static void game_print_size(const game_params *params, float *x, float *y)
 {
     int pw, ph;
 
@@ -1879,7 +1892,7 @@ static void game_print_size(game_params *params, float *x, float *y)
     *y = ph / 100.0F;
 }
 
-static void game_print(drawing *dr, game_state *state, int tilesize)
+static void game_print(drawing *dr, const game_state *state, int tilesize)
 {
     int ink = print_mono_colour(dr, 0);
     int x, y, o = state->order, ox, oy, n;
@@ -1906,9 +1919,9 @@ static void game_print(drawing *dr, game_state *state, int tilesize)
                       ink, str);
 
             if (state->adjacent)
-                draw_adjs(dr, ds, ox, oy, GRID(state, flags, x, y), ink);
+                draw_adjs(dr, ds, ox, oy, GRID(state, flags, x, y), -1, ink);
             else
-                draw_gts(dr, ds, ox, oy, GRID(state, flags, x, y), ink);
+                draw_gts(dr, ds, ox, oy, GRID(state, flags, x, y), -1, ink);
         }
     }
 }
@@ -1952,6 +1965,7 @@ const struct game thegame = {
     game_redraw,
     game_anim_length,
     game_flash_length,
+    game_status,
     TRUE, FALSE, game_print_size, game_print,
     FALSE,                            /* wants_statusbar */
     FALSE, game_timing_state,