#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <stdarg.h>
#include <Xr.h>
#include <xsvg.h>
#include <gdk/gdkx.h>
#include "grr_board_view.h"
+#include "grr_util.h"
#define SCROLL_DELAY_LENGTH 300
#define GRR_BOARD_VIEW_DEFAULT_SIZE 100
/* Forward declarations */
-static int
-grr_sprintf_alloc (char **str, const char *fmt, ...);
-
-static int
-grr_sprintf_alloc_va (char **str, const char *fmt, va_list ap);
-
-
static void grr_board_view_class_init (grr_board_view_class_t *klass);
static void grr_board_view_init (grr_board_view_t *view);
static void grr_board_view_destroy (GtkObject *object);
static void
grr_board_view_class_init (grr_board_view_class_t *class)
{
- GtkObjectClass *object_class;
- GtkWidgetClass *widget_class;
+ GtkObjectClass *object_class;
+ GtkWidgetClass *widget_class;
- object_class = (GtkObjectClass*) class;
- widget_class = (GtkWidgetClass*) class;
+ object_class = (GtkObjectClass*) class;
+ widget_class = (GtkWidgetClass*) class;
- parent_class = gtk_type_class (gtk_widget_get_type ());
+ parent_class = gtk_type_class (gtk_widget_get_type ());
- object_class->destroy = grr_board_view_destroy;
+ object_class->destroy = grr_board_view_destroy;
- widget_class->realize = grr_board_view_realize;
- widget_class->expose_event = grr_board_view_expose;
- widget_class->size_request = grr_board_view_size_request;
- widget_class->size_allocate = grr_board_view_size_allocate;
- widget_class->button_press_event = grr_board_view_button_press;
- widget_class->button_release_event = grr_board_view_button_release;
- widget_class->motion_notify_event = grr_board_view_motion_notify;
+ widget_class->realize = grr_board_view_realize;
+ widget_class->expose_event = grr_board_view_expose;
+ widget_class->size_request = grr_board_view_size_request;
+ widget_class->size_allocate = grr_board_view_size_allocate;
+ widget_class->button_press_event = grr_board_view_button_press;
+ widget_class->button_release_event = grr_board_view_button_release;
+ widget_class->motion_notify_event = grr_board_view_motion_notify;
}
static void
grr_board_view_init (grr_board_view_t *view)
{
view->board = NULL;
- view->owns_board = 0;
view->client = NULL;
view->button = 0;
view = g_object_new (grr_board_view_get_type (), NULL);
- if (board == NULL) {
- board = rr_board_create (16, 16);
- view->owns_board = 1;
- }
+ view->board = board;
- grr_board_view_set_board (view, board);
+ grr_board_view_update (view);
return GTK_WIDGET (view);
}
+void
+grr_board_view_set_client (grr_board_view_t *view, rr_client_t *client)
+{
+ g_return_if_fail (view != NULL);
+
+ view->client = client;
+}
+
static void
grr_board_view_destroy (GtkObject *object)
{
view = GRR_BOARD_VIEW (object);
- rr_board_destroy (view->board);
-
- if (view->board && view->owns_board) {
- rr_board_destroy (view->board);
- view->board = NULL;
- }
+ view->board = NULL;
+ view->client = NULL;
if (GTK_OBJECT_CLASS (parent_class)->destroy)
(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
-void
-grr_board_view_set_board (grr_board_view_t *view,
- rr_board_t *board)
-{
- g_return_if_fail (view != NULL);
-
- view->board = board;
-
- grr_board_view_update (view);
-}
-
-void
-grr_board_view_set_client (grr_board_view_t *view,
- rr_client_t *client)
-{
- g_return_if_fail (view != NULL);
-
- view->client = client;
-}
-
static void
grr_board_view_realize (GtkWidget *widget)
{
GdkEventExpose *event)
{
grr_board_view_t *view;
+ rr_board_t *board;
Display *dpy;
Drawable drawable;
XrState *xrs;
return FALSE;
view = GRR_BOARD_VIEW (widget);
+ board = view->board;
/* Unabstract X from GTK+ */
gdk_window_get_internal_paint_info (widget->window, &real_drawable, &x_off, &y_off);
XrSetTargetDrawable (xrs, dpy, drawable);
XrTranslate (xrs, -x_off, -y_off);
- rr_board_get_size (view->board, &view->board_width, &view->board_height);
+ rr_board_get_size (board, &view->board_width, &view->board_height);
view->cell_width = widget->allocation.width / view->board_width;
if (view->cell_width == 0)
XrTranslate (xrs, view->board_pad_x, view->board_pad_y);
- goal_target = rr_board_get_goal_target (view->board);
+ goal_target = rr_board_get_goal_target (board);
/* Draw cell targets */
for (j=0; j < view->board_height; j++) {
XrSave (xrs);
XrTranslate (xrs, i * view->cell_width, j * view->cell_height);
grr_cell_draw (xrs,
- rr_board_get_cell (view->board, i, j),
+ rr_board_get_cell (board, i, j),
goal_target,
view->cell_width, view->cell_height);
XrRestore (xrs);
/* Draw grid. */
XrSave (xrs);
- XrSetRGBColor (xrs, .75, .75, 1);
- XrSetLineWidth (xrs, 1);
- for (j=0; j < view->board_height; j++) {
- XrMoveTo (xrs, 0, j * view->cell_height + 0.5);
- XrRelLineTo (xrs, view->board_width * view->cell_width, 0);
- }
- for (i=0; i < view->board_width; i++) {
- XrMoveTo (xrs, i * view->cell_width + 0.5, 0);
- XrRelLineTo (xrs, 0, view->board_height * view->cell_height);
+ {
+ XrSetRGBColor (xrs, .75, .75, 1);
+ XrSetLineWidth (xrs, 1);
+ for (j=0; j < view->board_height; j++) {
+ XrMoveTo (xrs, 0, j * view->cell_height + 0.5);
+ XrRelLineTo (xrs, view->board_width * view->cell_width, 0);
+ }
+ for (i=0; i < view->board_width; i++) {
+ XrMoveTo (xrs, i * view->cell_width + 0.5, 0);
+ XrRelLineTo (xrs, 0, view->board_height * view->cell_height);
+ }
+ XrStroke (xrs);
}
- XrStroke (xrs);
XrRestore (xrs);
/* Draw goal target in center of board */
XrSave (xrs);
- XrTranslate (xrs,
- (view->board_width / 2 - 1) * view->cell_width,
- (view->board_height / 2 - 1) * view->cell_height);
- grr_cell_draw (xrs, goal_target, goal_target,
- view->cell_width * 2, view->cell_height * 2);
+ {
+ XrTranslate (xrs,
+ (view->board_width / 2 - 1) * view->cell_width,
+ (view->board_height / 2 - 1) * view->cell_height);
+ grr_cell_draw (xrs, goal_target, goal_target,
+ view->cell_width * 2, view->cell_height * 2);
+ }
XrRestore (xrs);
/* Draw walls */
XrScale (xrs,
view->cell_width / GRR_SVG_ASSUMED_WIDTH,
view->cell_height / GRR_SVG_ASSUMED_HEIGHT);
- grr_wall_draw (xrs, RR_CELL_GET_WALLS (rr_board_get_cell(view->board, i, j)));
+ grr_wall_draw (xrs, RR_CELL_GET_WALLS (rr_board_get_cell(board, i, j)));
XrRestore (xrs);
}
}
gtk_grab_add (widget);
view->button = event->button;
- view->drag_x = x;
- view->drag_y = y;
view->drag_robot = RR_CELL_GET_ROBOT (cell);
grr_board_view_update_mouse (view, event->x, event->y);
static gint
grr_board_view_button_release (GtkWidget *widget,
- GdkEventButton *event)
+ GdkEventButton *event)
{
grr_board_view_t *view;
const char *dir;
const char *robot;
int x, y;
+ int robot_x, robot_y;
int dx, dy;
g_return_val_if_fail (widget != NULL, FALSE);
if (view->button == event->button) {
gtk_grab_remove (widget);
-
view->button = 0;
+ }
+
+ grr_board_view_pointer_coords_to_grid (view, event->x, event->y, &x, &y);
- grr_board_view_pointer_coords_to_grid (view, event->x, event->y, &x, &y);
-
- dx = x - view->drag_x;
- dy = y - view->drag_y;
- if (dx == 0 && dy == 0)
- return FALSE;
-
- if (abs(dx) > abs(dy))
- if (x > view->drag_x)
- dir = "east";
- else
- dir = "west";
- else
- if (y > view->drag_y)
- dir = "south";
- else
- dir = "north";
-
- switch (view->drag_robot) {
- case RR_ROBOT_BLUE:
- robot = "blue";
- break;
- case RR_ROBOT_GREEN:
- robot = "green";
- break;
- case RR_ROBOT_RED:
- robot = "RED";
- break;
- case RR_ROBOT_YELLOW:
- robot = "YELLOW";
- break;
- default:
- return FALSE;
- }
-
- if (view->client) {
- char *move_str;
-
- grr_sprintf_alloc (&move_str, "%s %s", robot, dir);
- if (move_str == NULL)
- return FALSE;
- rr_client_move (view->client, move_str);
- free (move_str);
- }
+ rr_board_find_robot (view->board, view->drag_robot, &robot_x, &robot_y);
+ dx = x - robot_x;
+ dy = y - robot_y;
+ if (dx == 0 && dy == 0)
+ return FALSE;
+
+ if (abs(dx) > abs(dy))
+ if (x > robot_x)
+ dir = "east";
+ else
+ dir = "west";
+ else
+ if (y > robot_y)
+ dir = "south";
+ else
+ dir = "north";
+
+ switch (view->drag_robot) {
+ case RR_ROBOT_BLUE:
+ robot = "blue";
+ break;
+ case RR_ROBOT_GREEN:
+ robot = "green";
+ break;
+ case RR_ROBOT_RED:
+ robot = "RED";
+ break;
+ case RR_ROBOT_YELLOW:
+ robot = "YELLOW";
+ break;
+ default:
+ return FALSE;
+ }
+
+ if (view->client) {
+ char *move_str;
+
+ grr_sprintf_alloc (&move_str, "%s %s", robot, dir);
+ if (move_str == NULL)
+ return FALSE;
+ rr_client_move (view->client, move_str);
+ free (move_str);
}
return FALSE;
gtk_widget_queue_draw (GTK_WIDGET (view));
}
-static int
-grr_sprintf_alloc (char **str, const char *fmt, ...)
-{
- int ret;
- va_list ap;
-
- va_start(ap, fmt);
- ret = grr_sprintf_alloc_va (str, fmt, ap);
- va_end(ap);
-
- return ret;
-}
-
-/* ripped more or less straight out of PRINTF(3) */
-static int
-grr_sprintf_alloc_va (char **str, const char *fmt, va_list ap)
-{
- char *new_str;
- /* Guess we need no more than 100 bytes. */
- int n, size = 100;
-
- if ((*str = malloc (size)) == NULL)
- return -1;
- while (1) {
- /* Try to print in the allocated space. */
- n = vsnprintf (*str, size, fmt, ap);
- /* If that worked, return the size. */
- if (n > -1 && n < size)
- return n;
- /* Else try again with more space. */
- if (n > -1) /* glibc 2.1 */
- size = n+1; /* precisely what is needed */
- else /* glibc 2.0 */
- size *= 2; /* twice the old size */
- new_str = realloc(*str, size);
- if (new_str == NULL) {
- free(*str);
- *str = NULL;
- return -1;
- }
- *str = new_str;
- }
-}
projects / grrobot / blobdiff