#include <stdio.h>
#include <stdlib.h>
+#include <time.h>
#include <stdarg.h>
#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
#include "puzzles.h"
* doing so. I'm just coding cleanly because there's no
* particularly good reason not to.
*/
-struct window_data {
+struct frontend {
GtkWidget *window;
GtkWidget *area;
+ GdkPixmap *pixmap;
+ GdkColor *colours;
+ int ncolours;
+ GdkColormap *colmap;
+ int w, h;
midend_data *me;
+ GdkGC *gc;
+ int bbox_l, bbox_r, bbox_u, bbox_d;
+ int timer_active, timer_id;
};
+void frontend_default_colour(frontend *fe, float *output)
+{
+ GdkColor col = fe->window->style->bg[GTK_STATE_NORMAL];
+ output[0] = col.red / 65535.0;
+ output[1] = col.green / 65535.0;
+ output[2] = col.blue / 65535.0;
+}
+
+void start_draw(frontend *fe)
+{
+ fe->gc = gdk_gc_new(fe->area->window);
+ fe->bbox_l = fe->w;
+ fe->bbox_r = 0;
+ fe->bbox_u = fe->h;
+ fe->bbox_d = 0;
+}
+
+void draw_rect(frontend *fe, int x, int y, int w, int h, int colour)
+{
+ gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
+ gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
+}
+
+void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour)
+{
+ gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
+ gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
+}
+
+void draw_polygon(frontend *fe, int *coords, int npoints,
+ int fill, int colour)
+{
+ GdkPoint *points = snewn(npoints, GdkPoint);
+ int i;
+
+ for (i = 0; i < npoints; i++) {
+ points[i].x = coords[i*2];
+ points[i].y = coords[i*2+1];
+ }
+
+ gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
+ gdk_draw_polygon(fe->pixmap, fe->gc, fill, points, npoints);
+
+ sfree(points);
+}
+
+void draw_update(frontend *fe, int x, int y, int w, int h)
+{
+ if (fe->bbox_l > x ) fe->bbox_l = x ;
+ if (fe->bbox_r < x+w) fe->bbox_r = x+w;
+ if (fe->bbox_u > y ) fe->bbox_u = y ;
+ if (fe->bbox_d < y+h) fe->bbox_d = y+h;
+}
+
+void end_draw(frontend *fe)
+{
+ gdk_gc_unref(fe->gc);
+ fe->gc = NULL;
+
+ if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
+ gdk_draw_pixmap(fe->area->window,
+ fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
+ fe->pixmap,
+ fe->bbox_l, fe->bbox_u,
+ fe->bbox_l, fe->bbox_u,
+ fe->bbox_r - fe->bbox_l, fe->bbox_d - fe->bbox_u);
+ }
+}
+
static void destroy(GtkWidget *widget, gpointer data)
{
gtk_main_quit();
}
-gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
+static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
{
- struct window_data *wdata = (struct window_data *)data;
+ frontend *fe = (frontend *)data;
+ int keyval;
- IGNORE(wdata);
+ if (!fe->pixmap)
+ return TRUE;
- if (!midend_process_key(wdata->me, 0, 0, event->keyval))
- gtk_widget_destroy(wdata->window);
+ 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;
+ else if (event->keyval == GDK_KP_Home || event->keyval == GDK_KP_7)
+ keyval = CURSOR_UP_LEFT;
+ else if (event->keyval == GDK_KP_End || event->keyval == GDK_KP_1)
+ keyval = CURSOR_DOWN_LEFT;
+ else if (event->keyval == GDK_KP_Page_Up || event->keyval == GDK_KP_9)
+ keyval = CURSOR_UP_RIGHT;
+ else if (event->keyval == GDK_KP_Page_Down || event->keyval == GDK_KP_3)
+ keyval = CURSOR_DOWN_RIGHT;
+ else
+ keyval = -1;
+
+ if (keyval >= 0 &&
+ !midend_process_key(fe->me, 0, 0, keyval))
+ gtk_widget_destroy(fe->window);
return TRUE;
}
-gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
+static gint button_event(GtkWidget *widget, GdkEventButton *event,
+ gpointer data)
{
- struct window_data *wdata = (struct window_data *)data;
+ frontend *fe = (frontend *)data;
+ int button;
+
+ if (!fe->pixmap)
+ return TRUE;
+
+ if (event->type != GDK_BUTTON_PRESS)
+ return TRUE;
+
+ if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
+ button = MIDDLE_BUTTON;
+ else if (event->button == 1)
+ button = LEFT_BUTTON;
+ else if (event->button == 3)
+ button = RIGHT_BUTTON;
+ else
+ return FALSE; /* don't even know what button! */
+
+ if (!midend_process_key(fe->me, event->x, event->y, button))
+ gtk_widget_destroy(fe->window);
+
+ return TRUE;
+}
+
+static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
+ gpointer data)
+{
+ frontend *fe = (frontend *)data;
+
+ if (fe->pixmap) {
+ gdk_draw_pixmap(widget->window,
+ widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
+ fe->pixmap,
+ event->area.x, event->area.y,
+ event->area.x, event->area.y,
+ event->area.width, event->area.height);
+ }
+ return TRUE;
+}
+
+static gint configure_area(GtkWidget *widget,
+ GdkEventConfigure *event, gpointer data)
+{
+ frontend *fe = (frontend *)data;
+ GdkGC *gc;
+
+ if (fe->pixmap)
+ gdk_pixmap_unref(fe->pixmap);
+
+ fe->pixmap = gdk_pixmap_new(widget->window, fe->w, fe->h, -1);
+
+ gc = gdk_gc_new(fe->area->window);
+ gdk_gc_set_foreground(gc, &fe->colours[0]);
+ gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->w, fe->h);
+ gdk_gc_unref(gc);
- IGNORE(wdata);
+ midend_redraw(fe->me);
return TRUE;
}
-static struct window_data *new_window(void)
+static gint timer_func(gpointer data)
{
- struct window_data *wdata;
+ frontend *fe = (frontend *)data;
+
+ if (fe->timer_active)
+ midend_timer(fe->me, 0.02); /* may clear timer_active */
+
+ return fe->timer_active;
+}
+
+void deactivate_timer(frontend *fe)
+{
+ if (fe->timer_active)
+ gtk_timeout_remove(fe->timer_id);
+ fe->timer_active = FALSE;
+}
+
+void activate_timer(frontend *fe)
+{
+ if (!fe->timer_active)
+ fe->timer_id = gtk_timeout_add(20, timer_func, fe);
+ fe->timer_active = TRUE;
+}
+
+static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
+{
+ frontend *fe = (frontend *)data;
+ int key = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
+ "user-data"));
+ if (!midend_process_key(fe->me, 0, 0, key))
+ gtk_widget_destroy(fe->window);
+}
+
+static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
+{
+ frontend *fe = (frontend *)data;
+ game_params *params =
+ (game_params *)gtk_object_get_data(GTK_OBJECT(menuitem), "user-data");
int x, y;
- wdata = snew(struct window_data);
+ midend_set_params(fe->me, params);
+ midend_new_game(fe->me, NULL);
+ midend_size(fe->me, &x, &y);
+ gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
+ fe->w = x;
+ fe->h = y;
+}
- wdata->me = midend_new();
- midend_new_game(wdata->me, NULL);
+static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
+ char *text, int key)
+{
+ GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
+ gtk_container_add(cont, menuitem);
+ gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
+ GINT_TO_POINTER(key));
+ gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
+ GTK_SIGNAL_FUNC(menu_key_event), fe);
+ gtk_widget_show(menuitem);
+ return menuitem;
+}
+
+static void add_menu_separator(GtkContainer *cont)
+{
+ GtkWidget *menuitem = gtk_menu_item_new();
+ gtk_container_add(cont, menuitem);
+ gtk_widget_show(menuitem);
+}
+
+static frontend *new_window(void)
+{
+ frontend *fe;
+ GtkBox *vbox;
+ GtkWidget *menubar, *menu, *menuitem;
+ int x, y, n;
- wdata->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+ fe = snew(frontend);
- wdata->area = gtk_drawing_area_new();
- midend_size(wdata->me, &x, &y);
- gtk_drawing_area_size(GTK_DRAWING_AREA(wdata->area), x, y);
+ fe->me = midend_new(fe);
+ midend_new_game(fe->me, NULL);
- gtk_container_add(GTK_CONTAINER(wdata->window), wdata->area);
- gtk_widget_show(wdata->area);
+ fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+ gtk_window_set_title(GTK_WINDOW(fe->window), game_name);
+#if 0
+ gtk_window_set_resizable(GTK_WINDOW(fe->window), FALSE);
+#else
+ gtk_window_set_policy(GTK_WINDOW(fe->window), FALSE, FALSE, TRUE);
+#endif
+ vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
+ gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
+ gtk_widget_show(GTK_WIDGET(vbox));
- gtk_signal_connect(GTK_OBJECT(wdata->window), "destroy",
- GTK_SIGNAL_FUNC(destroy), wdata);
- gtk_signal_connect(GTK_OBJECT(wdata->window), "key_press_event",
- GTK_SIGNAL_FUNC(key_event), wdata);
- gtk_signal_connect(GTK_OBJECT(wdata->area), "button_press_event",
- GTK_SIGNAL_FUNC(button_event), wdata);
- gtk_widget_show(wdata->window);
- return wdata;
+ menubar = gtk_menu_bar_new();
+ gtk_box_pack_start(vbox, menubar, FALSE, FALSE, 0);
+ gtk_widget_show(menubar);
+
+ menuitem = gtk_menu_item_new_with_label("Game");
+ 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);
+
+ add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
+ add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Restart", 'r');
+
+ if ((n = midend_num_presets(fe->me)) > 0) {
+ GtkWidget *submenu;
+ int i;
+
+ menuitem = gtk_menu_item_new_with_label("Type");
+ gtk_container_add(GTK_CONTAINER(menu), menuitem);
+ gtk_widget_show(menuitem);
+
+ submenu = gtk_menu_new();
+ gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
+
+ for (i = 0; i < n; i++) {
+ char *name;
+ game_params *params;
+
+ midend_fetch_preset(fe->me, i, &name, ¶ms);
+
+ menuitem = gtk_menu_item_new_with_label(name);
+ gtk_container_add(GTK_CONTAINER(submenu), menuitem);
+ gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", params);
+ gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
+ GTK_SIGNAL_FUNC(menu_preset_event), fe);
+ gtk_widget_show(menuitem);
+ }
+ }
+
+ 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');
+ add_menu_separator(GTK_CONTAINER(menu));
+ add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
+
+ {
+ int i, ncolours;
+ float *colours;
+ gboolean *success;
+
+ fe->colmap = gdk_colormap_get_system();
+ colours = midend_colours(fe->me, &ncolours);
+ fe->ncolours = ncolours;
+ fe->colours = snewn(ncolours, GdkColor);
+ for (i = 0; i < ncolours; i++) {
+ fe->colours[i].red = colours[i*3] * 0xFFFF;
+ fe->colours[i].green = colours[i*3+1] * 0xFFFF;
+ fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
+ }
+ success = snewn(ncolours, gboolean);
+ gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
+ FALSE, FALSE, success);
+ for (i = 0; i < ncolours; i++) {
+ if (!success[i])
+ g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
+ i, fe->colours[i].red >> 8,
+ fe->colours[i].green >> 8,
+ fe->colours[i].blue >> 8);
+ }
+ }
+
+ fe->area = gtk_drawing_area_new();
+ midend_size(fe->me, &x, &y);
+ gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
+ fe->w = x;
+ fe->h = y;
+
+ gtk_box_pack_end(vbox, fe->area, FALSE, FALSE, 0);
+
+ fe->pixmap = NULL;
+
+ fe->timer_active = FALSE;
+
+ 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(key_event), fe);
+ gtk_signal_connect(GTK_OBJECT(fe->area), "button_press_event",
+ GTK_SIGNAL_FUNC(button_event), fe);
+ gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event",
+ GTK_SIGNAL_FUNC(expose_area), fe);
+ gtk_signal_connect(GTK_OBJECT(fe->area), "configure_event",
+ GTK_SIGNAL_FUNC(configure_area), fe);
+
+ gtk_widget_add_events(GTK_WIDGET(fe->area), GDK_BUTTON_PRESS_MASK);
+
+ gtk_widget_show(fe->area);
+ gtk_widget_show(fe->window);
+
+ return fe;
}
int main(int argc, char **argv)
{
+ srand(time(NULL));
+
gtk_init(&argc, &argv);
(void) new_window();
gtk_main();
~mdw / sgt / puzzles / blobdiff