X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/ef429a6c0c8d3eafbaa99309e4d7446ae9ac610e..2964478b2dafe4131944bf92a975e8f07fb10a21:/gtk.c diff --git a/gtk.c b/gtk.c index 37dcf23..1a79f0e 100644 --- a/gtk.c +++ b/gtk.c @@ -21,6 +21,39 @@ #include "puzzles.h" +#if GTK_CHECK_VERSION(2,0,0) +#define USE_PANGO +#endif + +#ifdef DEBUGGING +static FILE *debug_fp = NULL; + +void dputs(char *buf) +{ + if (!debug_fp) { + debug_fp = fopen("debug.log", "w"); + } + + fputs(buf, stderr); + + if (debug_fp) { + fputs(buf, debug_fp); + fflush(debug_fp); + } +} + +void debug_printf(char *fmt, ...) +{ + char buf[4096]; + va_list ap; + + va_start(ap, fmt); + vsprintf(buf, fmt, ap); + dputs(buf); + va_end(ap); +} +#endif + /* ---------------------------------------------------------------------- * Error reporting functions used elsewhere. */ @@ -44,7 +77,11 @@ void fatal(char *fmt, ...) */ struct font { +#ifdef USE_PANGO + PangoFontDescription *desc; +#else GdkFont *font; +#endif int type; int size; }; @@ -81,6 +118,7 @@ struct frontend { char *laststatus; int pw, ph; /* pixmap size (w, h are area size) */ int ox, oy; /* offset of pixmap in drawing area */ + char *filesel_name; }; void get_random_seed(void **randseed, int *randseedsize) @@ -172,7 +210,7 @@ void draw_text(frontend *fe, int x, int y, int fonttype, int fontsize, fe->fonts[i].type = fonttype; fe->fonts[i].size = fontsize; -#if GTK_CHECK_VERSION(2,0,0) +#ifdef USE_PANGO /* * Use Pango to find the closest match to the requested * font. @@ -210,24 +248,54 @@ void draw_text(frontend *fe, int x, int y, int fonttype, int fontsize, pango_font_description_set_size(fd, resolution * fontsize); } #endif - fe->fonts[i].font = gdk_font_from_description(fd); - pango_font_description_free(fd); + fe->fonts[i].desc = fd; } - if (!fe->fonts[i].font) +#else + /* + * 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. + */ + fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ? + "fixed" : "variable"); #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"); + + } + + /* + * Set the colour. + */ + gdk_gc_set_foreground(fe->gc, &fe->colours[colour]); + +#ifdef USE_PANGO + + { + PangoLayout *layout; + PangoRectangle rect; + + /* + * Create a layout. + */ + layout = pango_layout_new(gtk_widget_get_pango_context(fe->area)); + pango_layout_set_font_description(layout, fe->fonts[i].desc); + pango_layout_set_text(layout, text, strlen(text)); + pango_layout_get_pixel_extents(layout, NULL, &rect); + + if (align & ALIGN_VCENTRE) + rect.y -= rect.height / 2; + + if (align & ALIGN_HCENTRE) + rect.x -= rect.width / 2; + else if (align & ALIGN_HRIGHT) + rect.x -= rect.width; + + gdk_draw_layout(fe->pixmap, fe->gc, rect.x + x, rect.y + y, layout); + + g_object_unref(layout); } +#else /* * Find string dimensions and process alignment. */ @@ -260,10 +328,11 @@ void draw_text(frontend *fe, int x, int y, int fonttype, int fontsize, } /* - * Set colour and actually draw text. + * Actually draw the text. */ - gdk_gc_set_foreground(fe->gc, &fe->colours[colour]); gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text); +#endif + } void draw_rect(frontend *fe, int x, int y, int w, int h, int colour) @@ -279,7 +348,7 @@ void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour) } void draw_polygon(frontend *fe, int *coords, int npoints, - int fill, int colour) + int fillcolour, int outlinecolour) { GdkPoint *points = snewn(npoints, GdkPoint); int i; @@ -289,12 +358,85 @@ void draw_polygon(frontend *fe, int *coords, int npoints, 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); + if (fillcolour >= 0) { + gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]); + gdk_draw_polygon(fe->pixmap, fe->gc, TRUE, points, npoints); + } + assert(outlinecolour >= 0); + gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]); + gdk_draw_polygon(fe->pixmap, fe->gc, FALSE, points, npoints); sfree(points); } +void draw_circle(frontend *fe, int cx, int cy, int radius, + int fillcolour, int outlinecolour) +{ + if (fillcolour >= 0) { + gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]); + gdk_draw_arc(fe->pixmap, fe->gc, TRUE, + cx - radius, cy - radius, + 2 * radius, 2 * radius, 0, 360 * 64); + } + + assert(outlinecolour >= 0); + gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]); + gdk_draw_arc(fe->pixmap, fe->gc, FALSE, + cx - radius, cy - radius, + 2 * radius, 2 * radius, 0, 360 * 64); +} + +struct blitter { + GdkPixmap *pixmap; + int w, h, x, y; +}; + +blitter *blitter_new(int w, int h) +{ + /* + * We can't create the pixmap right now, because fe->window + * might not yet exist. So we just cache w and h and create it + * during the firs call to blitter_save. + */ + blitter *bl = snew(blitter); + bl->pixmap = NULL; + bl->w = w; + bl->h = h; + return bl; +} + +void blitter_free(blitter *bl) +{ + if (bl->pixmap) + gdk_pixmap_unref(bl->pixmap); + sfree(bl); +} + +void blitter_save(frontend *fe, blitter *bl, int x, int y) +{ + if (!bl->pixmap) + bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1); + bl->x = x; + bl->y = y; + gdk_draw_pixmap(bl->pixmap, + fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)], + fe->pixmap, + x, y, 0, 0, bl->w, bl->h); +} + +void blitter_load(frontend *fe, blitter *bl, int x, int y) +{ + assert(bl->pixmap); + if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) { + x = bl->x; + y = bl->y; + } + gdk_draw_pixmap(fe->pixmap, + fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)], + bl->pixmap, + 0, 0, x, y, bl->w, bl->h); +} + void draw_update(frontend *fe, int x, int y, int w, int h) { if (fe->bbox_l > x ) fe->bbox_l = x ; @@ -322,6 +464,7 @@ static void destroy(GtkWidget *widget, gpointer data) { frontend *fe = (frontend *)data; deactivate_timer(fe); + midend_free(fe->me); gtk_main_quit(); } @@ -530,8 +673,15 @@ static void window_destroy(GtkWidget *widget, gpointer data) gtk_main_quit(); } -static void errmsg_button_clicked(GtkButton *button, gpointer data) +static void msgbox_button_clicked(GtkButton *button, gpointer data) { + GtkWidget *window = GTK_WIDGET(data); + int v, *ip; + + ip = (int *)gtk_object_get_data(GTK_OBJECT(window), "user-data"); + v = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "user-data")); + *ip = v; + gtk_widget_destroy(GTK_WIDGET(data)); } @@ -550,9 +700,14 @@ static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data) return FALSE; } -void message_box(GtkWidget *parent, char *title, char *msg, int centre) +enum { MB_OK, MB_YESNO }; + +int message_box(GtkWidget *parent, char *title, char *msg, int centre, + int type) { - GtkWidget *window, *hbox, *text, *ok; + GtkWidget *window, *hbox, *text, *button; + char *titles; + int i, def, cancel; window = gtk_dialog_new(); text = gtk_label_new(msg); @@ -565,28 +720,54 @@ void message_box(GtkWidget *parent, char *title, char *msg, int centre) gtk_widget_show(hbox); 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), - ok, FALSE, FALSE, 0); - gtk_widget_show(ok); - GTK_WIDGET_SET_FLAGS(ok, GTK_CAN_DEFAULT); - gtk_window_set_default(GTK_WINDOW(window), ok); - gtk_signal_connect(GTK_OBJECT(ok), "clicked", - GTK_SIGNAL_FUNC(errmsg_button_clicked), window); + + if (type == MB_OK) { + titles = "OK\0"; + def = cancel = 0; + } else { + assert(type == MB_YESNO); + titles = "Yes\0No\0"; + def = 0; + cancel = 1; + } + i = 0; + + while (*titles) { + button = gtk_button_new_with_label(titles); + gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area), + button, FALSE, FALSE, 0); + gtk_widget_show(button); + if (i == def) { + GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT); + gtk_window_set_default(GTK_WINDOW(window), button); + } + if (i == cancel) { + gtk_signal_connect(GTK_OBJECT(window), "key_press_event", + GTK_SIGNAL_FUNC(win_key_press), button); + } + gtk_signal_connect(GTK_OBJECT(button), "clicked", + GTK_SIGNAL_FUNC(msgbox_button_clicked), window); + gtk_object_set_data(GTK_OBJECT(button), "user-data", + GINT_TO_POINTER(i)); + titles += strlen(titles)+1; + i++; + } + gtk_object_set_data(GTK_OBJECT(window), "user-data", + GINT_TO_POINTER(&i)); gtk_signal_connect(GTK_OBJECT(window), "destroy", GTK_SIGNAL_FUNC(window_destroy), NULL); - gtk_signal_connect(GTK_OBJECT(window), "key_press_event", - GTK_SIGNAL_FUNC(win_key_press), ok); gtk_window_set_modal(GTK_WINDOW(window), TRUE); gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent)); /* set_transient_window_pos(parent, window); */ gtk_widget_show(window); + i = -1; gtk_main(); + return (type == MB_YESNO ? i == 0 : TRUE); } void error_box(GtkWidget *parent, char *msg) { - message_box(parent, "Error", msg, FALSE); + message_box(parent, "Error", msg, FALSE, MB_OK); } static void config_ok_button_clicked(GtkButton *button, gpointer data) @@ -870,7 +1051,11 @@ static void menu_preset_event(GtkMenuItem *menuitem, gpointer data) fe->w = x; fe->h = y; gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y); - gtk_window_resize(GTK_WINDOW(fe->window), 1, 1); + { + GtkRequisition req; + gtk_widget_size_request(GTK_WIDGET(fe->window), &req); + gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height); + } } GdkAtom compound_text_atom, utf8_string_atom; @@ -982,6 +1167,137 @@ static void menu_copy_event(GtkMenuItem *menuitem, gpointer data) } } +static void filesel_ok(GtkButton *button, gpointer data) +{ + frontend *fe = (frontend *)data; + + gpointer filesel = gtk_object_get_data(GTK_OBJECT(button), "user-data"); + + const char *name = + gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel)); + + fe->filesel_name = dupstr(name); +} + +static char *file_selector(frontend *fe, char *title, int save) +{ + GtkWidget *filesel = + gtk_file_selection_new(title); + + fe->filesel_name = NULL; + + gtk_window_set_modal(GTK_WINDOW(filesel), TRUE); + gtk_object_set_data + (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data", + (gpointer)filesel); + gtk_signal_connect + (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked", + GTK_SIGNAL_FUNC(filesel_ok), fe); + gtk_signal_connect_object + (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked", + GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel); + gtk_signal_connect_object + (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked", + GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel); + gtk_signal_connect(GTK_OBJECT(filesel), "destroy", + GTK_SIGNAL_FUNC(window_destroy), NULL); + gtk_widget_show(filesel); + gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window)); + gtk_main(); + + return fe->filesel_name; +} + +static void savefile_write(void *wctx, void *buf, int len) +{ + FILE *fp = (FILE *)wctx; + fwrite(buf, 1, len, fp); +} + +static int savefile_read(void *wctx, void *buf, int len) +{ + FILE *fp = (FILE *)wctx; + int ret; + + ret = fread(buf, 1, len, fp); + return (ret == len); +} + +static void menu_save_event(GtkMenuItem *menuitem, gpointer data) +{ + frontend *fe = (frontend *)data; + char *name; + + name = file_selector(fe, "Enter name of game file to save", TRUE); + + if (name) { + FILE *fp; + + if ((fp = fopen(name, "r")) != NULL) { + char buf[256 + FILENAME_MAX]; + fclose(fp); + /* file exists */ + + sprintf(buf, "Are you sure you want to overwrite the" + " file \"%.*s\"?", + FILENAME_MAX, name); + if (!message_box(fe->window, "Question", buf, TRUE, MB_YESNO)) + return; + } + + fp = fopen(name, "w"); + sfree(name); + + if (!fp) { + error_box(fe->window, "Unable to open save file"); + return; + } + + midend_serialise(fe->me, savefile_write, fp); + + fclose(fp); + } +} + +static void menu_load_event(GtkMenuItem *menuitem, gpointer data) +{ + frontend *fe = (frontend *)data; + char *name, *err; + int x, y; + + name = file_selector(fe, "Enter name of saved game file to load", FALSE); + + if (name) { + FILE *fp = fopen(name, "r"); + sfree(name); + + if (!fp) { + error_box(fe->window, "Unable to open saved game file"); + return; + } + + err = midend_deserialise(fe->me, savefile_read, fp); + + fclose(fp); + + if (err) { + error_box(fe->window, err); + return; + } + + get_size(fe, &x, &y); + fe->w = x; + fe->h = y; + gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y); + { + GtkRequisition req; + gtk_widget_size_request(GTK_WIDGET(fe->window), &req); + gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height); + } + + } +} + static void menu_solve_event(GtkMenuItem *menuitem, gpointer data) { frontend *fe = (frontend *)data; @@ -1015,7 +1331,11 @@ static void menu_config_event(GtkMenuItem *menuitem, gpointer data) fe->w = x; fe->h = y; gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y); - gtk_window_resize(GTK_WINDOW(fe->window), 1, 1); + { + GtkRequisition req; + gtk_widget_size_request(GTK_WIDGET(fe->window), &req); + gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height); + } } static void menu_about_event(GtkMenuItem *menuitem, gpointer data) @@ -1030,7 +1350,7 @@ static void menu_about_event(GtkMenuItem *menuitem, gpointer data) "from Simon Tatham's Portable Puzzle Collection\n\n" "%.500s", thegame.name, ver); - message_box(fe->window, titlebuf, textbuf, TRUE); + message_box(fe->window, titlebuf, textbuf, TRUE, MB_OK); } static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont, @@ -1160,6 +1480,17 @@ static frontend *new_window(char *game_id, char **error) } add_menu_separator(GTK_CONTAINER(menu)); + menuitem = gtk_menu_item_new_with_label("Load"); + gtk_container_add(GTK_CONTAINER(menu), menuitem); + gtk_signal_connect(GTK_OBJECT(menuitem), "activate", + GTK_SIGNAL_FUNC(menu_load_event), fe); + gtk_widget_show(menuitem); + menuitem = gtk_menu_item_new_with_label("Save"); + gtk_container_add(GTK_CONTAINER(menu), menuitem); + gtk_signal_connect(GTK_OBJECT(menuitem), "activate", + GTK_SIGNAL_FUNC(menu_save_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'); if (thegame.can_format_as_text) { @@ -1364,12 +1695,11 @@ int main(int argc, char **argv) } while (n-- > 0) { - game_aux_info *aux = NULL; + char *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); + sfree(aux); } return 0;