/*
* gtk.c: GTK front end for my puzzle collection.
- *
- * TODO:
- *
- * - Handle resizing, probably just by forbidding it.
*/
#include <stdio.h>
#include <stdarg.h>
#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
#include "puzzles.h"
* GTK front end to puzzles.
*/
+struct font {
+ GdkFont *font;
+ int type;
+ int size;
+};
+
/*
* This structure holds all the data relevant to a single window.
* In principle this would allow us to open multiple independent
midend_data *me;
GdkGC *gc;
int bbox_l, bbox_r, bbox_u, bbox_d;
- int timer_active;
+ int timer_active, timer_id;
+ struct font *fonts;
+ int nfonts, fontsize;
};
void frontend_default_colour(frontend *fe, float *output)
fe->bbox_d = 0;
}
+void clip(frontend *fe, int x, int y, int w, int h)
+{
+ GdkRectangle rect;
+
+ rect.x = x;
+ rect.y = y;
+ rect.width = w;
+ rect.height = h;
+
+ gdk_gc_set_clip_rectangle(fe->gc, &rect);
+}
+
+void unclip(frontend *fe)
+{
+ GdkRectangle rect;
+
+ rect.x = 0;
+ rect.y = 0;
+ rect.width = fe->w;
+ rect.height = fe->h;
+
+ gdk_gc_set_clip_rectangle(fe->gc, &rect);
+}
+
+void draw_text(frontend *fe, int x, int y, int fonttype, int fontsize,
+ int align, int colour, char *text)
+{
+ int i;
+
+ /*
+ * Find or create the font.
+ */
+ for (i = 0; i < fe->nfonts; i++)
+ if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
+ break;
+
+ if (i == fe->nfonts) {
+ if (fe->fontsize <= fe->nfonts) {
+ fe->fontsize = fe->nfonts + 10;
+ fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
+ }
+
+ fe->nfonts++;
+
+ fe->fonts[i].type = fonttype;
+ fe->fonts[i].size = fontsize;
+
+ /*
+ * FIXME: Really I should make at least _some_ effort to
+ * pick the correct font.
+ */
+ fe->fonts[i].font = gdk_font_load("variable");
+ }
+
+ /*
+ * Find string dimensions and process alignment.
+ */
+ {
+ int lb, rb, wid, asc, desc;
+
+ gdk_string_extents(fe->fonts[i].font, text,
+ &lb, &rb, &wid, &asc, &desc);
+ if (align & ALIGN_VCENTRE)
+ y += asc - (asc+desc)/2;
+
+ if (align & ALIGN_HCENTRE)
+ x -= wid / 2;
+ else if (align & ALIGN_HRIGHT)
+ x -= wid;
+
+ }
+
+ /*
+ * Set colour and actually draw text.
+ */
+ gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
+ gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
+}
+
void draw_rect(frontend *fe, int x, int y, int w, int h, int colour)
{
gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
{
frontend *fe = (frontend *)data;
+ int keyval;
if (!fe->pixmap)
return TRUE;
- if (event->string[0] && !event->string[1] &&
- !midend_process_key(fe->me, 0, 0, event->string[0]))
+ 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;
if (event->type != GDK_BUTTON_PRESS)
return TRUE;
- if (event->button == 1)
- button = LEFT_BUTTON;
- else if (event->button == 2)
+ 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
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);
void deactivate_timer(frontend *fe)
{
+ if (fe->timer_active)
+ gtk_timeout_remove(fe->timer_id);
fe->timer_active = FALSE;
}
void activate_timer(frontend *fe)
{
- gtk_timeout_add(20, timer_func, 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;
+
+ 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;
+}
+
+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;
- int x, y;
+ GtkBox *vbox;
+ GtkWidget *menubar, *menu, *menuitem;
+ int x, y, n;
fe = snew(frontend);
midend_new_game(fe->me, NULL);
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));
+
+ 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;
fe->w = x;
fe->h = y;
- gtk_container_add(GTK_CONTAINER(fe->window), fe->area);
+ gtk_box_pack_end(vbox, fe->area, FALSE, FALSE, 0);
fe->pixmap = NULL;
+ fe->fonts = NULL;
+ fe->nfonts = fe->fontsize = 0;
+
+ fe->timer_active = FALSE;
gtk_signal_connect(GTK_OBJECT(fe->window), "destroy",
GTK_SIGNAL_FUNC(destroy), fe);
~ian / sgt-puzzles.git / blobdiff