X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=rack-fancy.c;h=63677da3d52594a37b995256854ccfca8ea5a2ca;hb=4a18152043dd8fa417e5b8db7047de2e3998da7b;hp=14c8d70fa8b55c3f0e47f4c13a3c2cc70b69cc78;hpb=1478e50ab9b22ef50fb0a1be0d77a5f532eb7bd8;p=wordgame diff --git a/rack-fancy.c b/rack-fancy.c index 14c8d70..63677da 100644 --- a/rack-fancy.c +++ b/rack-fancy.c @@ -21,10 +21,199 @@ #include #include #include +#include +#include #include "word-game.h" #include "demo-item.h" +#define MAX_TILES 7 + +typedef struct _tile +{ + char letter; + int rack_index; + int x, y; + GooCanvasItem *item; + gboolean guessed; +} tile_t; + +typedef struct _rack +{ + tile_t *tiles[MAX_TILES]; + int num_tiles; + char guess[MAX_TILES+1]; + int guess_length; + dict_t *solution; +} rack_t; + +static rack_t the_rack; + +#define LETTER_SIZE 60 +#define LETTER_PAD 5 + +static void +guess_tile_position (int i, int *x, int *y) +{ + *x = 20 + i * (LETTER_SIZE + LETTER_PAD); + *y = LETTER_PAD; +} + +static void +rack_tile_position (int i, int *x, int *y) +{ + guess_tile_position (i, x, y); + *y += (LETTER_SIZE + LETTER_PAD); +} + +typedef struct _dict_paint_cursor +{ + cairo_t *cr; + int line_height; + int x; + int y; + int max_column_width; + int max_y; +} dict_paint_cursor_t; + +static void +dict_paint_action (void *closure, char *word) +{ + dict_paint_cursor_t *cursor = closure; + cairo_t *cr = cursor->cr; + double new_x, new_y; + + cairo_move_to (cr, cursor->x, cursor->y); + cairo_show_text (cr, word); + cairo_get_current_point (cr, &new_x, &new_y); + if (new_x > cursor->max_column_width) + cursor->max_column_width = new_x; + cursor->y += cursor->line_height; + if (cursor->y > cursor->max_y) { + cursor->x = cursor->max_column_width + cursor->line_height / 2; + cursor->y = 0; + } +} + +static void +dict_paint (cairo_t *cr, void *closure, double width, double height) +{ + dict_t *dict = closure; + dict_paint_cursor_t cursor; + + cairo_save (cr); + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */ + + cursor.cr = cr; + + cairo_set_font_size (cr, 12); + cursor.line_height = 14; + + cursor.x = 0; + cursor.y = 0; + + cursor.max_column_width = 0; + cursor.max_y = height; + + dict_for_each_by_length (dict, + dict_paint_action, + &cursor); + + cairo_restore (cr); +} + +static void +tile_paint (cairo_t *cr, void *closure, double width, double height) +{ + tile_t *tile = closure; + + cairo_pattern_t *gradient; + cairo_text_extents_t extents; + int rad = (int) MIN (width / 2, height / 2); + int cx = width / 2; + int cy = cx; + int tx, ty; + double spot_angle = M_PI / 4.0; + double spot_rad = rad / 2.0; + char string[2]; + + cairo_save (cr); + + gradient = cairo_pattern_create_radial (cx - spot_rad * cos (spot_angle), + cy - spot_rad * sin (spot_angle), + 0.0, + cx - spot_rad * cos (spot_angle), + cy - spot_rad * sin (spot_angle), + rad + spot_rad); + cairo_pattern_add_color_stop_rgb (gradient, 0.0, 1.0, 1.0, 1.0); + cairo_pattern_add_color_stop_rgb (gradient, 1.0, 0.33, 0.33, 0.33); + + cairo_set_source (cr, gradient); + + cairo_arc (cr, + cx, cy, + rad, 0, 2 * M_PI); + + cairo_fill (cr); + + cairo_select_font_face (cr, "mono", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_BOLD); + cairo_set_font_size (cr, 1.8 * rad); + + string[0] = tile->letter; + string[1] = '\0'; + cairo_text_extents (cr, string, &extents); + tx = cx - extents.width / 2 - extents.x_bearing; + ty = cy - extents.height / 2 - extents.y_bearing; + + cairo_set_source_rgb (cr, 0.7, 0.7, 0.7); + cairo_move_to (cr, tx + 1, ty + 1); + cairo_show_text (cr, string); + + cairo_set_source_rgb (cr, 0.33, 0.33, 0.33); + cairo_move_to (cr, tx - 1, ty - 1); + cairo_show_text (cr, string); + + cairo_set_source_rgb (cr, 0.2, 0.3, 0.8); + cairo_move_to (cr, tx, ty); + cairo_show_text (cr, string); + + cairo_restore (cr); +} + +static void +tile_glide_to (tile_t *tile, int x, int y) +{ + goo_canvas_item_animate (tile->item, x, y, + 1.0, 0, + 500, 40, + GOO_CANVAS_ANIMATE_FREEZE); + tile->x = x; + tile->y = y; +} + +static tile_t * +tile_create (GooCanvasItem *parent, + char letter, int rack_index) +{ + tile_t *tile; + + tile = g_malloc (sizeof (tile_t)); + tile->letter = tolower (letter); + tile->rack_index = rack_index; + rack_tile_position (rack_index, &tile->x, &tile->y); + tile->item = goo_demo_item_new (parent, + tile->x, tile->y, + LETTER_SIZE, LETTER_SIZE, + tile_paint, + tile, NULL); + + tile->guessed = FALSE; + + return tile; +} + static gboolean on_delete_event (GtkWidget *window, GdkEvent *event, @@ -33,6 +222,152 @@ on_delete_event (GtkWidget *window, exit (0); } +static int +rand_within (int num_values) +{ + return (int) ((double) num_values * (rand() / (RAND_MAX + 1.0))); +} + +static void +shuffle (int *array, int length) +{ + int i, r, tmp; + + for (i = 0; i < length; i++) + { + r = i + rand_within (length - i); + tmp = array[i]; + array[i] = array[r]; + array[r] = tmp; + } +} + +static void +rack_init (rack_t *rack, GooCanvasItem *parent, char *word, dict_t *solution) +{ + int i; + + for (i = 0; i < MIN (MAX_TILES, strlen (word)); i++) + rack->tiles[i] = tile_create (parent, word[i], i); + rack->num_tiles = i; + while (i < MAX_TILES) + rack->tiles[i] = NULL; + rack->guess_length = 0; + rack->solution = solution; +} + +static gboolean +rack_shuffle (rack_t *rack) +{ + int indices[MAX_TILES]; + int i, x, y; + + for (i = 0; i < rack->num_tiles; i++) + indices[i] = i; + + shuffle (indices, rack->num_tiles); + + for (i = 0; i < rack->num_tiles; i++) { + rack->tiles[i]->rack_index = indices[i]; + rack_tile_position (indices[i], &x, &y); + tile_glide_to (rack->tiles[i], x, y); + } + + return TRUE; +} + +static void +rack_return_tile (rack_t *rack, tile_t *tile) +{ + int x, y; + + rack_tile_position (tile->rack_index, &x, &y); + tile_glide_to (tile, x, y); + tile->guessed = FALSE; + rack->guess_length--; + rack->guess[rack->guess_length] = '\0'; +} + +static void +rack_return_all (rack_t *rack) +{ + int i; + + for (i = 0; i < rack->num_tiles; i++) { + if (rack->tiles[i]->guessed) + rack_return_tile (rack, rack->tiles[i]); + } + rack->guess_length = 0; + rack->guess[0] = '\0'; +} + +static gboolean +on_key_press_event (GtkWidget *widget, + GdkEventKey *event, + gpointer user_data) +{ + int i, x, y; + char guess_letter; + rack_t *rack = user_data; + + if (event->keyval == GDK_Return) { + dict_entry_t *entry; + entry = dict_lookup (rack->solution, rack->guess); + if (DICT_ENTRY_IS_WORD (entry)) + printf ("%s is good\n", rack->guess); + else + printf ("%s is not a word\n", rack->guess); + rack_return_all (rack); + return TRUE; + } + + if (event->keyval == GDK_space) { + rack_return_all (rack); + rack_shuffle (rack); + return TRUE; + } + + if (event->keyval == GDK_BackSpace) { + gboolean found = FALSE; + int found_index; + x = 0; + for (i = 0; i < rack->num_tiles; i++) { + /* XXX: evil stuff here... please refactor a lot */ + if (rack->guess[rack->guess_length-1] == rack->tiles[i]->letter && + rack->tiles[i]->guessed && + rack->tiles[i]->x > x) + { + found = TRUE; + found_index = i; + } + } + if (found) { + rack_return_tile (rack, rack->tiles[found_index]); + return TRUE; + } + return FALSE; + } + + /* XXX: event->string is deprecated, but the non-deprecated + * input-method stuff (GtkIMContext) is extremely non-obvious to + * use. */ + guess_letter = tolower (event->string[0]); + for (i = 0; i < rack->num_tiles; i++) { + if (guess_letter == rack->tiles[i]->letter && + ! rack->tiles[i]->guessed) + { + guess_tile_position (rack->guess_length, &x, &y); + tile_glide_to (rack->tiles[i], x, y); + rack->tiles[i]->guessed = TRUE; + rack->guess[rack->guess_length++] = guess_letter; + rack->guess[rack->guess_length] = '\0'; + return TRUE; + } + } + + return FALSE; +} + static GtkWidget * create_window (void) { @@ -44,6 +379,10 @@ create_window (void) g_signal_connect (window, "delete_event", (GtkSignalFunc) on_delete_event, NULL); + gtk_widget_add_events (window, GDK_KEY_PRESS_MASK); + g_signal_connect (window, "key_press_event", + (GtkSignalFunc) on_key_press_event, &the_rack); + scrolled_window = gtk_scrolled_window_new (NULL, NULL); gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window), GTK_SHADOW_IN); @@ -56,24 +395,11 @@ create_window (void) return scrolled_window; } -static gboolean -on_button_press (GooCanvasItem *item, - GooCanvasItem *target, - GdkEventButton *event, - gpointer data) -{ - g_print ("demo item received button press event\n"); - return TRUE; -} - static void -create_canvas (GtkWidget *parent, char *word) +create_canvas (GtkWidget *parent, char *word, dict_t *solution) { GtkWidget *canvas; - GooCanvasItem *root, *letter; - int i; - int item_size = 60; - int item_pad = 5; + GooCanvasItem *root; canvas = goo_canvas_new (); gtk_widget_set_size_request (canvas, 400, 400); @@ -83,21 +409,20 @@ create_canvas (GtkWidget *parent, char *word) root = goo_canvas_get_root_item (GOO_CANVAS (canvas)); - for (i = 0; i < strlen (word); i++) { - letter = goo_demo_item_new (root, - 30 + i * (item_size + item_pad), 20, - item_size, item_size, - word[i], - NULL); + rack_init (&the_rack, root, word, solution); - g_signal_connect (letter, "button_press_event", - (GtkSignalFunc) on_button_press, NULL); - } + goo_demo_item_new (root, + LETTER_PAD, + LETTER_PAD + 2 * (LETTER_SIZE + 2 * LETTER_PAD), + 400, 400 - (2 * (LETTER_SIZE + 2 * LETTER_PAD)), + dict_paint, + solution, NULL); } int main (int argc, char *argv[]) { + dict_t dict, solution; struct timeval tv; bag_t bag; char rack[8]; @@ -116,10 +441,16 @@ main (int argc, char *argv[]) for (i = 0; i < 7; i++) rack[i] = toupper (rack[i]); + dict_init (&dict); + dict_add_words_from_file (&dict, "words.txt"); + + dict_init (&solution); + subanagram_expand (rack, &dict, &solution); + gtk_init (&argc, &argv); window = create_window (); - create_canvas (window, rack); + create_canvas (window, rack, &solution); gtk_main ();