#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
+#include <gdk/gdkx.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xatom.h>
+
#include "puzzles.h"
/* ----------------------------------------------------------------------
config_item *cfg;
int cfg_which, cfgret;
GtkWidget *cfgbox;
+ char *paste_data;
+ int paste_data_len;
};
+void get_random_seed(void **randseed, int *randseedsize)
+{
+ struct timeval *tvp = snew(struct timeval);
+ gettimeofday(tvp, NULL);
+ *randseed = (void *)tvp;
+ *randseedsize = sizeof(struct timeval);
+}
+
void frontend_default_colour(frontend *fe, float *output)
{
GdkColor col = fe->window->style->bg[GTK_STATE_NORMAL];
void status_bar(frontend *fe, char *text)
{
+ char *rewritten;
+
assert(fe->statusbar);
+ rewritten = midend_rewrite_statusbar(fe->me, text);
gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
- gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text);
+ gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, rewritten);
+ sfree(rewritten);
}
void start_draw(frontend *fe)
fe->fonts[i].type = fonttype;
fe->fonts[i].size = fontsize;
+#if GTK_CHECK_VERSION(2,0,0)
/*
- * FIXME: Really I should make at least _some_ effort to
- * pick the correct font.
+ * Use Pango to find the closest match to the requested
+ * font.
*/
- fe->fonts[i].font = gdk_font_load("variable");
+ {
+ PangoFontDescription *fd;
+
+ fd = pango_font_description_new();
+ /* `Monospace' and `Sans' are meta-families guaranteed to exist */
+ pango_font_description_set_family(fd, fonttype == FONT_FIXED ?
+ "Monospace" : "Sans");
+ pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD);
+ /*
+ * I found some online Pango documentation which
+ * described a function called
+ * pango_font_description_set_absolute_size(), which is
+ * _exactly_ what I want here. Unfortunately, none of
+ * my local Pango installations have it (presumably
+ * they're too old), so I'm going to have to hack round
+ * it by figuring out the point size myself. This
+ * limits me to X and probably also breaks in later
+ * Pango installations, so ideally I should add another
+ * CHECK_VERSION type ifdef and use set_absolute_size
+ * where available. All very annoying.
+ */
+#ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
+ pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize);
+#else
+ {
+ Display *d = GDK_DISPLAY();
+ int s = DefaultScreen(d);
+ double resolution =
+ (PANGO_SCALE * 72.27 / 25.4) *
+ ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s));
+ pango_font_description_set_size(fd, resolution * fontsize);
+ }
+#endif
+ fe->fonts[i].font = gdk_font_from_description(fd);
+ pango_font_description_free(fd);
+ }
+
+ if (!fe->fonts[i].font)
+#endif
+ /*
+ * In GTK 1.2, I don't know of any plausible way to
+ * pick a suitable font, so I'm just going to be
+ * tedious.
+ *
+ * This is also fallback code called if the Pango
+ * approach fails to find an appropriate font.
+ */
+ fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ?
+ "fixed" : "variable");
}
/*
{
int lb, rb, wid, asc, desc;
- gdk_string_extents(fe->fonts[i].font, text,
+ /*
+ * Measure vertical string extents with respect to the same
+ * string always...
+ */
+ gdk_string_extents(fe->fonts[i].font,
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
&lb, &rb, &wid, &asc, &desc);
if (align & ALIGN_VCENTRE)
y += asc - (asc+desc)/2;
+ /*
+ * ... but horizontal extents with respect to the provided
+ * string. This means that multiple pieces of text centred
+ * on the same y-coordinate don't have different baselines.
+ */
+ gdk_string_extents(fe->fonts[i].font, text,
+ &lb, &rb, &wid, &asc, &desc);
+
if (align & ALIGN_HCENTRE)
x -= wid / 2;
else if (align & ALIGN_HRIGHT)
static void destroy(GtkWidget *widget, gpointer data)
{
+ frontend *fe = (frontend *)data;
+ deactivate_timer(fe);
gtk_main_quit();
}
{
frontend *fe = (frontend *)data;
int keyval;
+ int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0;
+ int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0;
if (!fe->pixmap)
return TRUE;
- if (event->string[0] && !event->string[1])
- keyval = (unsigned char)event->string[0];
- else if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up ||
- event->keyval == GDK_KP_8)
- keyval = CURSOR_UP;
- else if (event->keyval == GDK_Down || event->keyval == GDK_KP_Down ||
- event->keyval == GDK_KP_2)
- keyval = CURSOR_DOWN;
- else if (event->keyval == GDK_Left || event->keyval == GDK_KP_Left ||
- event->keyval == GDK_KP_4)
- keyval = CURSOR_LEFT;
- else if (event->keyval == GDK_Right || event->keyval == GDK_KP_Right ||
- event->keyval == GDK_KP_6)
- keyval = CURSOR_RIGHT;
+ if (event->keyval == GDK_Up)
+ keyval = shift | ctrl | CURSOR_UP;
+ else if (event->keyval == GDK_KP_Up || event->keyval == GDK_KP_8)
+ keyval = MOD_NUM_KEYPAD | '8';
+ else if (event->keyval == GDK_Down)
+ keyval = shift | ctrl | CURSOR_DOWN;
+ else if (event->keyval == GDK_KP_Down || event->keyval == GDK_KP_2)
+ keyval = MOD_NUM_KEYPAD | '2';
+ else if (event->keyval == GDK_Left)
+ keyval = shift | ctrl | CURSOR_LEFT;
+ else if (event->keyval == GDK_KP_Left || event->keyval == GDK_KP_4)
+ keyval = MOD_NUM_KEYPAD | '4';
+ else if (event->keyval == GDK_Right)
+ keyval = shift | ctrl | CURSOR_RIGHT;
+ else if (event->keyval == GDK_KP_Right || event->keyval == GDK_KP_6)
+ keyval = MOD_NUM_KEYPAD | '6';
else if (event->keyval == GDK_KP_Home || event->keyval == GDK_KP_7)
- keyval = CURSOR_UP_LEFT;
+ keyval = MOD_NUM_KEYPAD | '7';
else if (event->keyval == GDK_KP_End || event->keyval == GDK_KP_1)
- keyval = CURSOR_DOWN_LEFT;
+ keyval = MOD_NUM_KEYPAD | '1';
else if (event->keyval == GDK_KP_Page_Up || event->keyval == GDK_KP_9)
- keyval = CURSOR_UP_RIGHT;
+ keyval = MOD_NUM_KEYPAD | '9';
else if (event->keyval == GDK_KP_Page_Down || event->keyval == GDK_KP_3)
- keyval = CURSOR_DOWN_RIGHT;
+ keyval = MOD_NUM_KEYPAD | '3';
+ else if (event->keyval == GDK_KP_Insert || event->keyval == GDK_KP_0)
+ keyval = MOD_NUM_KEYPAD | '0';
+ else if (event->keyval == GDK_KP_Begin || event->keyval == GDK_KP_5)
+ keyval = MOD_NUM_KEYPAD | '5';
+ else if (event->string[0] && !event->string[1])
+ keyval = (unsigned char)event->string[0];
else
keyval = -1;
gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->w, fe->h);
gdk_gc_unref(gc);
- midend_redraw(fe->me);
+ midend_force_redraw(fe->me);
return TRUE;
}
return FALSE;
}
-void error_box(GtkWidget *parent, char *msg)
+void message_box(GtkWidget *parent, char *title, char *msg, int centre)
{
GtkWidget *window, *hbox, *text, *ok;
hbox, FALSE, FALSE, 20);
gtk_widget_show(text);
gtk_widget_show(hbox);
- gtk_window_set_title(GTK_WINDOW(window), "Error");
+ gtk_window_set_title(GTK_WINDOW(window), title);
gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
ok = gtk_button_new_with_label("OK");
gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
gtk_main();
}
+void error_box(GtkWidget *parent, char *msg)
+{
+ message_box(parent, "Error", msg, FALSE);
+}
+
static void config_ok_button_clicked(GtkButton *button, gpointer data)
{
frontend *fe = (frontend *)data;
fe->h = y;
}
+GdkAtom compound_text_atom, utf8_string_atom;
+int paste_initialised = FALSE;
+
+void init_paste()
+{
+ if (paste_initialised)
+ return;
+
+ if (!compound_text_atom)
+ compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
+ if (!utf8_string_atom)
+ utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
+
+ /*
+ * Ensure that all the cut buffers exist - according to the
+ * ICCCM, we must do this before we start using cut buffers.
+ */
+ XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
+ XA_CUT_BUFFER0, XA_STRING, 8, PropModeAppend, "", 0);
+ XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
+ XA_CUT_BUFFER1, XA_STRING, 8, PropModeAppend, "", 0);
+ XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
+ XA_CUT_BUFFER2, XA_STRING, 8, PropModeAppend, "", 0);
+ XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
+ XA_CUT_BUFFER3, XA_STRING, 8, PropModeAppend, "", 0);
+ XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
+ XA_CUT_BUFFER4, XA_STRING, 8, PropModeAppend, "", 0);
+ XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
+ XA_CUT_BUFFER5, XA_STRING, 8, PropModeAppend, "", 0);
+ XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
+ XA_CUT_BUFFER6, XA_STRING, 8, PropModeAppend, "", 0);
+ XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
+ XA_CUT_BUFFER7, XA_STRING, 8, PropModeAppend, "", 0);
+}
+
+/* Store data in a cut-buffer. */
+void store_cutbuffer(char *ptr, int len)
+{
+ /* ICCCM says we must rotate the buffers before storing to buffer 0. */
+ XRotateBuffers(GDK_DISPLAY(), 1);
+ XStoreBytes(GDK_DISPLAY(), ptr, len);
+}
+
+void write_clip(frontend *fe, char *data)
+{
+ init_paste();
+
+ if (fe->paste_data)
+ sfree(fe->paste_data);
+
+ /*
+ * For this simple application we can safely assume that the
+ * data passed to this function is pure ASCII, which means we
+ * can return precisely the same stuff for types STRING,
+ * COMPOUND_TEXT or UTF8_STRING.
+ */
+
+ fe->paste_data = data;
+ fe->paste_data_len = strlen(data);
+
+ store_cutbuffer(fe->paste_data, fe->paste_data_len);
+
+ if (gtk_selection_owner_set(fe->area, GDK_SELECTION_PRIMARY,
+ CurrentTime)) {
+ gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
+ GDK_SELECTION_TYPE_STRING, 1);
+ gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
+ compound_text_atom, 1);
+ gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
+ utf8_string_atom, 1);
+ }
+}
+
+void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
+ guint info, guint time_stamp, gpointer data)
+{
+ frontend *fe = (frontend *)data;
+ gtk_selection_data_set(seldata, seldata->target, 8,
+ fe->paste_data, fe->paste_data_len);
+}
+
+gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
+ gpointer data)
+{
+ frontend *fe = (frontend *)data;
+
+ if (fe->paste_data)
+ sfree(fe->paste_data);
+ fe->paste_data = NULL;
+ fe->paste_data_len = 0;
+ return TRUE;
+}
+
+static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
+{
+ frontend *fe = (frontend *)data;
+ char *text;
+
+ text = midend_text_format(fe->me);
+
+ if (text) {
+ write_clip(fe, text);
+ } else {
+ gdk_beep();
+ }
+}
+
+static void menu_solve_event(GtkMenuItem *menuitem, gpointer data)
+{
+ frontend *fe = (frontend *)data;
+ char *msg;
+
+ msg = midend_solve(fe->me);
+
+ if (msg)
+ error_box(fe->window, msg);
+}
+
+static void menu_restart_event(GtkMenuItem *menuitem, gpointer data)
+{
+ frontend *fe = (frontend *)data;
+
+ midend_restart_game(fe->me);
+}
+
static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
{
frontend *fe = (frontend *)data;
fe->h = y;
}
+static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
+{
+ frontend *fe = (frontend *)data;
+ char titlebuf[256];
+ char textbuf[1024];
+
+ sprintf(titlebuf, "About %.200s", thegame.name);
+ sprintf(textbuf,
+ "%.200s\n\n"
+ "from Simon Tatham's Portable Puzzle Collection\n\n"
+ "%.500s", thegame.name, ver);
+
+ message_box(fe->window, titlebuf, textbuf, TRUE);
+}
+
static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
char *text, int key)
{
GtkBox *vbox;
GtkWidget *menubar, *menu, *menuitem;
int x, y, n;
- time_t t;
fe = snew(frontend);
- time(&t);
- fe->me = midend_new(fe, &t, sizeof(t));
+ fe->me = midend_new(fe, &thegame);
if (game_id) {
- *error = midend_game_id(fe->me, game_id, FALSE);
+ *error = midend_game_id(fe->me, game_id);
if (*error) {
midend_free(fe->me);
sfree(fe);
midend_new_game(fe->me);
fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
- gtk_window_set_title(GTK_WINDOW(fe->window), game_name);
+ gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name);
#if 0
gtk_window_set_resizable(GTK_WINDOW(fe->window), FALSE);
#else
gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
- add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Restart", 'r');
+
+ menuitem = gtk_menu_item_new_with_label("Restart");
+ gtk_container_add(GTK_CONTAINER(menu), menuitem);
+ gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
+ GTK_SIGNAL_FUNC(menu_restart_event), fe);
+ gtk_widget_show(menuitem);
menuitem = gtk_menu_item_new_with_label("Specific...");
gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
+ GINT_TO_POINTER(CFG_DESC));
+ gtk_container_add(GTK_CONTAINER(menu), menuitem);
+ gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
+ GTK_SIGNAL_FUNC(menu_config_event), fe);
+ gtk_widget_show(menuitem);
+
+ menuitem = gtk_menu_item_new_with_label("Random Seed...");
+ gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
GINT_TO_POINTER(CFG_SEED));
gtk_container_add(GTK_CONTAINER(menu), menuitem);
gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
GTK_SIGNAL_FUNC(menu_config_event), fe);
gtk_widget_show(menuitem);
- if ((n = midend_num_presets(fe->me)) > 0 || game_can_configure) {
+ if ((n = midend_num_presets(fe->me)) > 0 || thegame.can_configure) {
GtkWidget *submenu;
int i;
gtk_widget_show(menuitem);
}
- if (game_can_configure) {
+ if (thegame.can_configure) {
menuitem = gtk_menu_item_new_with_label("Custom...");
gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
GPOINTER_TO_INT(CFG_SETTINGS));
add_menu_separator(GTK_CONTAINER(menu));
add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", '\x12');
+ if (thegame.can_format_as_text) {
+ add_menu_separator(GTK_CONTAINER(menu));
+ menuitem = gtk_menu_item_new_with_label("Copy");
+ gtk_container_add(GTK_CONTAINER(menu), menuitem);
+ gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
+ GTK_SIGNAL_FUNC(menu_copy_event), fe);
+ gtk_widget_show(menuitem);
+ }
+ if (thegame.can_solve) {
+ add_menu_separator(GTK_CONTAINER(menu));
+ menuitem = gtk_menu_item_new_with_label("Solve");
+ gtk_container_add(GTK_CONTAINER(menu), menuitem);
+ gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
+ GTK_SIGNAL_FUNC(menu_solve_event), fe);
+ gtk_widget_show(menuitem);
+ }
add_menu_separator(GTK_CONTAINER(menu));
add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
+ menuitem = gtk_menu_item_new_with_label("Help");
+ gtk_container_add(GTK_CONTAINER(menubar), menuitem);
+ gtk_widget_show(menuitem);
+
+ menu = gtk_menu_new();
+ gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
+
+ menuitem = gtk_menu_item_new_with_label("About");
+ gtk_container_add(GTK_CONTAINER(menu), menuitem);
+ gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
+ GTK_SIGNAL_FUNC(menu_about_event), fe);
+ gtk_widget_show(menuitem);
+
{
int i, ncolours;
float *colours;
fe->timer_active = FALSE;
+ fe->paste_data = NULL;
+ fe->paste_data_len = 0;
+
gtk_signal_connect(GTK_OBJECT(fe->window), "destroy",
GTK_SIGNAL_FUNC(destroy), fe);
gtk_signal_connect(GTK_OBJECT(fe->window), "key_press_event",
GTK_SIGNAL_FUNC(button_event), fe);
gtk_signal_connect(GTK_OBJECT(fe->area), "motion_notify_event",
GTK_SIGNAL_FUNC(motion_event), fe);
+ gtk_signal_connect(GTK_OBJECT(fe->area), "selection_get",
+ GTK_SIGNAL_FUNC(selection_get), fe);
+ gtk_signal_connect(GTK_OBJECT(fe->area), "selection_clear_event",
+ GTK_SIGNAL_FUNC(selection_clear), fe);
gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event",
GTK_SIGNAL_FUNC(expose_area), fe);
gtk_signal_connect(GTK_OBJECT(fe->window), "map_event",
char *pname = argv[0];
char *error;
- gtk_init(&argc, &argv);
-
- if (!new_window(argc > 1 ? argv[1] : NULL, &error)) {
- fprintf(stderr, "%s: %s\n", pname, error);
- return 1;
+ if (argc > 1 && !strcmp(argv[1], "--version")) {
+ printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
+ thegame.name, ver);
+ return 0;
}
- gtk_main();
+ /*
+ * Special standalone mode for generating puzzle IDs on the
+ * command line. Useful for generating puzzles to be printed
+ * out and solved offline (for puzzles where that even makes
+ * sense - Solo, for example, is a lot more pencil-and-paper
+ * friendly than Net!)
+ *
+ * Usage:
+ *
+ * <puzzle-name> --generate [<n> [<params>]]
+ *
+ * <n>, if present, is the number of puzzle IDs to generate.
+ * <params>, if present, is the same type of parameter string
+ * you would pass to the puzzle when running it in GUI mode,
+ * including optional extras such as the expansion factor in
+ * Rectangles and the difficulty level in Solo.
+ *
+ * If you specify <params>, you must also specify <n> (although
+ * you may specify it to be 1). Sorry; that was the
+ * simplest-to-parse command-line syntax I came up with.
+ */
+ if (argc > 1 && !strcmp(argv[1], "--generate")) {
+ int n = 1;
+ char *params = NULL, *seed = NULL;
+ game_params *par;
+ random_state *rs;
+ char *parstr;
+
+ if (argc > 2)
+ n = atoi(argv[2]);
+ if (argc > 3)
+ params = argv[3];
+
+ par = thegame.default_params();
+ if (params) {
+ if ( (seed = strchr(params, '#')) != NULL )
+ *seed++ = '\0';
+ thegame.decode_params(par, params);
+ }
+ if ((error = thegame.validate_params(par)) != NULL) {
+ fprintf(stderr, "%s: %s\n", pname, error);
+ return 1;
+ }
+ parstr = thegame.encode_params(par, FALSE);
+
+ {
+ void *seeddata;
+ int seedlen;
+ if (seed) {
+ seeddata = seed;
+ seedlen = strlen(seed);
+ } else {
+ get_random_seed(&seeddata, &seedlen);
+ }
+ rs = random_init(seeddata, seedlen);
+ }
+
+ while (n-- > 0) {
+ game_aux_info *aux = NULL;
+ char *desc = thegame.new_desc(par, rs, &aux, FALSE);
+ printf("%s:%s\n", parstr, desc);
+ sfree(desc);
+ if (aux)
+ thegame.free_aux_info(aux);
+ }
+
+ return 0;
+ } else {
+
+ gtk_init(&argc, &argv);
+
+ if (!new_window(argc > 1 ? argv[1] : NULL, &error)) {
+ fprintf(stderr, "%s: %s\n", pname, error);
+ return 1;
+ }
+
+ gtk_main();
+ }
return 0;
}