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sumanta.ch |
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/*
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connectk -- a program to play the connect-k family of games
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Copyright (C) 2007 Michael Levin
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include <cairo.h>
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#ifndef NO_CAIRO_SVG
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#include <cairo-svg.h>
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#endif
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#include <string.h>
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#include <math.h>
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#include "shared.h"
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#include "connectk.h"
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/*
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* Rendering
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*/
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typedef unsigned int PCOORD;
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static GtkWidget *drawing_area = NULL;
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static GdkPixmap *pixmap = NULL;
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static cairo_t *cairo = NULL;
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static PCOORD board_xo = 0, board_yo = 0;
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static BCOORD hover_x, hover_y;
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static int tile_size = 1;
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static gboolean hover = FALSE, playable = TRUE, do_not_dirty = FALSE;
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static AIMoves *marks = NULL;
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static double marks_min, marks_max;
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// Convert from pixel to board coordinates
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static gboolean pcoord_to_bcoord(PCOORD px, PCOORD py, BCOORD *bx, BCOORD *by)
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{
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if (px < board_xo + tile_size || py < board_yo + tile_size ||
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px >= drawing_area->allocation.width - board_xo - tile_size ||
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py >= drawing_area->allocation.height - board_yo - tile_size)
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return FALSE;
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*bx = (px - board_xo) / tile_size - 1;
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*by = (py - board_yo) / tile_size - 1;
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return TRUE;
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}
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// Convert from board to pixel coordinates
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static void bcoords_to_pcoords(BCOORD bx, BCOORD by, PCOORD *px, PCOORD *py)
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{
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*px = (bx + 1) * tile_size + board_xo;
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*py = (by + 1) * tile_size + board_yo;
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}
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/* Render a colored piece on the pixmap */
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static void draw_piece(BCOORD bx, BCOORD by, PIECE type, double a)
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{
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PCOORD px, py;
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bcoords_to_pcoords(bx, by, &px, &py);
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/* Render a black and white piece on the pixmap */
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if (opt_grayscale && type != PIECE_NONE) {
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cairo_arc(cairo, px + tile_size / 2, py + tile_size / 2,
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tile_size / 2 - 2, 0., G_PI * 2.);
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if (type == PIECE_BLACK)
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cairo_set_source_rgba(cairo, 0, 0, 0, a);
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else
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cairo_set_source_rgba(cairo, 1, 1, 1, a);
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cairo_fill_preserve(cairo);
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cairo_set_source_rgba(cairo, 0, 0, 0, a);
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cairo_set_line_width(cairo, 2.);
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cairo_stroke(cairo);
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}
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/* Render a colored piece */
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else if (type != PIECE_NONE) {
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double r, g, b, hr, hg, hb;
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if (type == PIECE_WHITE) {
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r = 0.90;
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g = 0.85;
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b = 0.65;
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} else if(type == PIECE_BLACK) {
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r = 0.15;
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g = 0.15;
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b = 0.20;
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} else
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return;
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hr = r * 2;
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hg = g * 2;
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hb = b * 2;
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if (hr > 1.) hr = 1.;
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if (hg > 1.) hg = 1.;
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if (hb > 1.) hb = 1.;
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// Draw stone body
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cairo_arc(cairo, px + tile_size / 2, py + tile_size / 2,
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tile_size / 2 - 2, 0., G_PI * 2.);
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cairo_set_source_rgba(cairo, r, g, b, a);
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cairo_fill_preserve(cairo);
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cairo_set_source_rgba(cairo, r / 2, g / 2, b / 2, a);
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cairo_stroke(cairo);
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// Draw stone highlight
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if (a >= 1.) {
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cairo_arc(cairo, px + tile_size / 3, py + tile_size / 3,
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tile_size / 6, 0., G_PI * 2.);
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cairo_set_source_rgba(cairo, hr, hg, hb, a);
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cairo_fill(cairo);
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}
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}
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if (!do_not_dirty)
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gtk_widget_queue_draw_area(drawing_area, px, py, tile_size,
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tile_size);
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}
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// Render a marker if (x, y) is a marker tile
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static void draw_marker(BCOORD x, BCOORD y)
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{
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PCOORD px, py;
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if (piece_at(board, x, y) != PIECE_NONE)
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return;
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if ((board_size > 9) &&
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(x == 3 || x == board_size - 4 ||
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((board_size & 1) && x == board_size / 2)) &&
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(y == 3 || y == board_size - 4 ||
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((board_size & 1) && y == board_size / 2))) {
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bcoords_to_pcoords(x, y, &px, &py);
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cairo_set_source_rgba(cairo, 0., 0., 0., 1.);
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cairo_arc(cairo, px + tile_size / 2, py + tile_size / 2,
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tile_size / 6, 0., G_PI * 2.);
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cairo_fill(cairo);
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}
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}
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void clear_last_moves(void)
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/* Clear last move markers */
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{
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Board *b = board;
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int last_moves = place_p - b->moves_left;
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if (!last_moves)
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last_moves = place_p;
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while (b->parent && last_moves--) {
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b = b->parent;
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draw_tile(b->move_x, b->move_y);
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}
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}
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void draw_last_moves(void)
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/* Draw markers on the last p moves in this turn or the whole last turn */
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{
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Board *b = board;
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int last_moves = place_p - b->moves_left;
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if (b->won)
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return;
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if (!last_moves)
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last_moves = place_p;
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cairo_save(cairo);
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while (b->parent && last_moves--) {
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PCOORD px, py;
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b = b->parent;
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bcoords_to_pcoords(b->move_x, b->move_y, &px, &py);
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if (opt_grayscale)
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cairo_set_source_rgba(cairo, 1.f, 1.f, 1., 1.);
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else
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cairo_set_source_rgba(cairo, 1.f, 1.f, 0., 1.);
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cairo_rectangle(cairo, px + tile_size / 3., py + tile_size / 3.,
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tile_size / 3., tile_size / 3.);
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cairo_fill_preserve(cairo);
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cairo_set_source_rgba(cairo, 0.f, 0.f, 0., 1.);
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cairo_stroke(cairo);
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gtk_widget_queue_draw_area(drawing_area, px + tile_size / 3.,
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py + tile_size / 3., tile_size / 3.,
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tile_size / 3.);
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}
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cairo_restore(cairo);
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}
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static void draw_mark(AIMove *aim)
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/* Draw a mark piece */
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{
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PCOORD x, y;
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double r = 1., g = 1., b = 0., weight;
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/* Logarithmic scale */
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weight = aim->weight;
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if (opt_mark_log) {
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if (weight > 0.)
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weight = log(weight);
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else if (weight < 0.)
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weight = -log(-weight);
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}
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/* Normalized scale */
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if (opt_mark_norm) {
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weight = (weight - marks_min) / (marks_max - marks_min);
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r = 0.4 + 0.6 * weight;
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g = 0.5 - 0.2 * weight;
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b = 0.6 - 0.4 * weight;
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}
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/* Absolute scale */
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else {
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weight /= marks_max;
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if (weight > 0.)
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r = 1 - weight;
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else if (weight < 0.)
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g = 1 + weight;
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}
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/* Grayscale */
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if (opt_grayscale)
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r = g = b = 0.2 + weight * 0.6;
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cairo_save(cairo);
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cairo_set_source_rgba(cairo, r, g, b, 0.67);
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bcoords_to_pcoords(aim->x, aim->y, &x, &y);
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cairo_arc(cairo, x + tile_size / 2, y + tile_size / 2,
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tile_size / 2, 0., G_PI * 2.);
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cairo_fill(cairo);
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gtk_widget_queue_draw_area(drawing_area, x, y, tile_size, tile_size);
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cairo_restore(cairo);
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}
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void draw_marks(AIMoves *m, int redraw)
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/* Set the marks array to a new list of moves and draw it, if any, otherwise
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clear */
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{
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AIMoves *old_marks;
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int i;
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old_marks = marks;
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marks = NULL;
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if (old_marks && old_marks != m) {
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if (redraw)
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for (i = 0; i < old_marks->len; i++)
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draw_tile(old_marks->data[i].x,
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old_marks->data[i].y);
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aimoves_free(old_marks);
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}
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if (m) {
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marks = m;
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marks_min = AIW_LOSE;
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marks_max = AIW_WIN;
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/* Find maximum weighted move */
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if (opt_mark_norm && marks->len) {
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AIWEIGHT min, max;
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aimoves_range(marks, &min, &max);
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marks_min = min;
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marks_max = max;
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}
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if (opt_mark_log) {
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if (marks_min > 0)
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marks_min = log(marks_min);
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else if (marks_min < 0)
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marks_min = -log(-marks_min);
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if (marks_max > 0)
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marks_max = log(marks_max);
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else if (marks_max < 0)
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| 282 |
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marks_max = -log(-marks_max);
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}
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| 284 |
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if (redraw)
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for (i = 0; i < marks->len; i++)
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draw_mark(marks->data + i);
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| 287 |
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}
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| 288 |
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}
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| 289 |
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| 290 |
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void sum_of_marks(void)
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| 291 |
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/* Test function to sum up the marked piece weights */
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| 292 |
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{
|
| 293 |
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AIWEIGHT total = 0;
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| 294 |
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int i;
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| 295 |
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| 296 |
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if (!marks)
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| 297 |
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return;
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| 298 |
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for (i = 0; i < marks->len; i++)
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| 299 |
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total += marks->data[i].weight;
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| 300 |
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g_debug("marks total to %d", total);
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| 301 |
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}
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| 302 |
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| 303 |
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// Render a tile on the pixmap
|
| 304 |
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void draw_tile(BCOORD bx, BCOORD by)
|
| 305 |
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{
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| 306 |
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PCOORD px, py, px_mid, py_mid;
|
| 307 |
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PIECE piece;
|
| 308 |
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int i;
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| 309 |
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| 310 |
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bcoords_to_pcoords(bx, by, &px, &py);
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| 311 |
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cairo_save(cairo);
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| 312 |
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// Draw tile background
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| 314 |
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cairo_rectangle(cairo, px, py, tile_size, tile_size);
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| 315 |
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if (opt_grayscale)
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| 316 |
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cairo_set_source_rgba(cairo, 1., 1., 1., 1.);
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| 317 |
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else
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| 318 |
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cairo_set_source_rgba(cairo, 0.9, 0.8, 0.4, 1.);
|
| 319 |
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cairo_fill(cairo);
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| 320 |
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| 321 |
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// Draw tile cross
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| 322 |
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px_mid = px + tile_size / 2;
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| 323 |
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py_mid = py + tile_size / 2;
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| 324 |
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cairo_set_line_width(cairo, 1.5);
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| 325 |
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cairo_move_to(cairo, px_mid, by ? py : py_mid - 1);
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| 326 |
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cairo_line_to(cairo, px_mid,
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| 327 |
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by == board_size - 1 ? py_mid + 1: py + tile_size);
|
| 328 |
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cairo_move_to(cairo, bx? px : px_mid - 1, py_mid);
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| 329 |
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cairo_line_to(cairo, bx == board_size - 1 ? px_mid + 1: px + tile_size,
|
| 330 |
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py + tile_size / 2);
|
| 331 |
|
|
cairo_set_source_rgba(cairo, 0., 0., 0., 1.);
|
| 332 |
|
|
cairo_stroke(cairo);
|
| 333 |
|
|
|
| 334 |
|
|
cairo_restore(cairo);
|
| 335 |
|
|
|
| 336 |
|
|
/* Draw grid marker */
|
| 337 |
|
|
draw_marker(bx, by);
|
| 338 |
|
|
|
| 339 |
|
|
/* Draw piece or piece mark */
|
| 340 |
|
|
piece = piece_at(board, bx, by);
|
| 341 |
|
|
if (piece == PIECE_NONE && (i = aimoves_find(marks, bx, by)) >= 0)
|
| 342 |
|
|
draw_mark(marks->data + i);
|
| 343 |
|
|
else
|
| 344 |
|
|
draw_piece(bx, by, piece, 1.);
|
| 345 |
|
|
}
|
| 346 |
|
|
|
| 347 |
|
|
/* Print centered text */
|
| 348 |
|
|
static void center_print(double x, double y, const char *str)
|
| 349 |
|
|
{
|
| 350 |
|
|
cairo_text_extents_t te;
|
| 351 |
|
|
size_t len;
|
| 352 |
|
|
|
| 353 |
|
|
len = strlen(str);
|
| 354 |
|
|
cairo_text_extents(cairo, str, &te);
|
| 355 |
|
|
cairo_move_to(cairo, x - te.width / 2, y + te.width / len / 2);
|
| 356 |
|
|
cairo_show_text(cairo, str);
|
| 357 |
|
|
}
|
| 358 |
|
|
|
| 359 |
|
|
void draw_win(void)
|
| 360 |
|
|
/* Draw a line to indicate the winning line on the current board */
|
| 361 |
|
|
{
|
| 362 |
|
|
PCOORD x1, y1, x2, y2, tmp;
|
| 363 |
|
|
|
| 364 |
|
|
if (!board->won)
|
| 365 |
|
|
return;
|
| 366 |
|
|
|
| 367 |
|
|
bcoords_to_pcoords(board->win_x1, board->win_y1, &x1, &y1);
|
| 368 |
|
|
bcoords_to_pcoords(board->win_x2, board->win_y2, &x2, &y2);
|
| 369 |
|
|
cairo_save(cairo);
|
| 370 |
|
|
cairo_set_source_rgba(cairo, 1., 0., 0., 0.67);
|
| 371 |
|
|
cairo_set_line_width(cairo, tile_size / 3);
|
| 372 |
|
|
cairo_set_line_cap(cairo, CAIRO_LINE_CAP_ROUND);
|
| 373 |
|
|
cairo_move_to(cairo, x1 + tile_size / 2, y1 + tile_size / 2);
|
| 374 |
|
|
cairo_line_to(cairo, x2 + tile_size / 2, y2 + tile_size / 2);
|
| 375 |
|
|
cairo_stroke(cairo);
|
| 376 |
|
|
cairo_restore(cairo);
|
| 377 |
|
|
if (x2 < x1) {
|
| 378 |
|
|
tmp = x1;
|
| 379 |
|
|
x1 = x2;
|
| 380 |
|
|
x2 = tmp;
|
| 381 |
|
|
}
|
| 382 |
|
|
if (y2 < y1) {
|
| 383 |
|
|
tmp = y1;
|
| 384 |
|
|
y1 = y2;
|
| 385 |
|
|
y2 = tmp;
|
| 386 |
|
|
}
|
| 387 |
|
|
gtk_widget_queue_draw_area(drawing_area, x1, y1, x2 + tile_size - x1,
|
| 388 |
|
|
y2 + tile_size - y1);
|
| 389 |
|
|
}
|
| 390 |
|
|
|
| 391 |
|
|
void draw_board_sized(int size)
|
| 392 |
|
|
/* Render the backing board pixmap; if size is not set then the board is drawn
|
| 393 |
|
|
to fit the drawing area */
|
| 394 |
|
|
{
|
| 395 |
|
|
int x, y, width, height;
|
| 396 |
|
|
|
| 397 |
|
|
if (!drawing_area && !size)
|
| 398 |
|
|
return;
|
| 399 |
|
|
|
| 400 |
|
|
cairo_save(cairo);
|
| 401 |
|
|
|
| 402 |
|
|
// Calculate visible board range
|
| 403 |
|
|
if (size)
|
| 404 |
|
|
width = height = tile_size = size;
|
| 405 |
|
|
else {
|
| 406 |
|
|
width = drawing_area->allocation.width;
|
| 407 |
|
|
height = drawing_area->allocation.height;
|
| 408 |
|
|
}
|
| 409 |
|
|
tile_size = width;
|
| 410 |
|
|
if (tile_size > height)
|
| 411 |
|
|
tile_size = drawing_area->allocation.height;
|
| 412 |
|
|
tile_size /= board_size + 2;
|
| 413 |
|
|
board_xo = (width - tile_size * (board_size + 2)) / 2;
|
| 414 |
|
|
board_yo = (height - tile_size * (board_size + 2)) / 2;
|
| 415 |
|
|
|
| 416 |
|
|
// Fill gray boundaries
|
| 417 |
|
|
cairo_set_source_rgba(cairo, 0.4, 0.4, 0.4, 1.);
|
| 418 |
|
|
cairo_rectangle(cairo, 0, 0, width, board_yo);
|
| 419 |
|
|
cairo_fill(cairo);
|
| 420 |
|
|
cairo_rectangle(cairo, 0, board_yo, board_xo, height - board_yo * 2);
|
| 421 |
|
|
cairo_fill(cairo);
|
| 422 |
|
|
cairo_rectangle(cairo, width - board_xo - 1, board_yo, board_xo + 1,
|
| 423 |
|
|
height - board_yo * 2);
|
| 424 |
|
|
cairo_fill(cairo);
|
| 425 |
|
|
cairo_rectangle(cairo, 0, height - board_yo - 1, width, board_yo + 1);
|
| 426 |
|
|
cairo_fill(cairo);
|
| 427 |
|
|
|
| 428 |
|
|
/* Fill label boundaries */
|
| 429 |
|
|
if (opt_grayscale)
|
| 430 |
|
|
cairo_set_source_rgba(cairo, 1., 1., 1., 1.);
|
| 431 |
|
|
else
|
| 432 |
|
|
cairo_set_source_rgba(cairo, 0.9, 0.8, 0.4, 1.);
|
| 433 |
|
|
cairo_rectangle(cairo, board_xo, board_yo, width - board_xo * 2,
|
| 434 |
|
|
tile_size);
|
| 435 |
|
|
cairo_fill(cairo);
|
| 436 |
|
|
cairo_rectangle(cairo, board_xo, board_yo + tile_size, tile_size,
|
| 437 |
|
|
height - tile_size * 2 - board_yo * 2);
|
| 438 |
|
|
cairo_fill(cairo);
|
| 439 |
|
|
cairo_rectangle(cairo, width - board_xo - tile_size - 1, tile_size,
|
| 440 |
|
|
tile_size + 1, height - tile_size - board_yo * 2);
|
| 441 |
|
|
cairo_fill(cairo);
|
| 442 |
|
|
cairo_rectangle(cairo, board_xo, height - board_yo - tile_size - 1,
|
| 443 |
|
|
width - board_xo * 2, tile_size + 1);
|
| 444 |
|
|
cairo_fill(cairo);
|
| 445 |
|
|
|
| 446 |
|
|
/* Set cairo font */
|
| 447 |
|
|
cairo_select_font_face(cairo, "monospace", CAIRO_FONT_SLANT_NORMAL,
|
| 448 |
|
|
CAIRO_FONT_WEIGHT_BOLD);
|
| 449 |
|
|
cairo_set_font_size(cairo, tile_size / 2);
|
| 450 |
|
|
cairo_set_source_rgba(cairo, 0., 0., 0., 1.);
|
| 451 |
|
|
|
| 452 |
|
|
/* Draw horizontal labels */
|
| 453 |
|
|
for (x = 0; x < board_size; x++)
|
| 454 |
|
|
center_print(board_xo + (x + 1.5) * tile_size, board_yo +
|
| 455 |
|
|
tile_size / 2, bcoord_to_alpha(x));
|
| 456 |
|
|
for (x = 0; x < board_size; x++)
|
| 457 |
|
|
center_print(board_xo + (x + 1.5) * tile_size,
|
| 458 |
|
|
height - board_yo - tile_size / 2,
|
| 459 |
|
|
bcoord_to_alpha(x));
|
| 460 |
|
|
|
| 461 |
|
|
/* Draw vertical labels */
|
| 462 |
|
|
for (y = 0; y < board_size; y++)
|
| 463 |
|
|
center_print(board_xo + tile_size / 2, board_yo + (y + 1.5) *
|
| 464 |
|
|
tile_size, va("%d", board_size - y));
|
| 465 |
|
|
for (y = 0; y < board_size; y++)
|
| 466 |
|
|
center_print(width - board_xo - tile_size / 2,
|
| 467 |
|
|
board_yo + (y + 1.5) * tile_size,
|
| 468 |
|
|
va("%d", board_size - y));
|
| 469 |
|
|
|
| 470 |
|
|
cairo_restore(cairo);
|
| 471 |
|
|
do_not_dirty = TRUE;
|
| 472 |
|
|
|
| 473 |
|
|
/* Refresh the marks */
|
| 474 |
|
|
draw_marks(marks, FALSE);
|
| 475 |
|
|
|
| 476 |
|
|
// Render board tiles and pieces
|
| 477 |
|
|
for (y = 0; y < board_size; y++)
|
| 478 |
|
|
for (x = 0; x < board_size; x++)
|
| 479 |
|
|
draw_tile(x, y);
|
| 480 |
|
|
|
| 481 |
|
|
draw_last_moves();
|
| 482 |
|
|
draw_win();
|
| 483 |
|
|
|
| 484 |
|
|
// Draw hover piece
|
| 485 |
|
|
if (hover)
|
| 486 |
|
|
draw_piece(hover_x, hover_y, board->turn, 0.5);
|
| 487 |
|
|
|
| 488 |
|
|
do_not_dirty = FALSE;
|
| 489 |
|
|
if (!size)
|
| 490 |
|
|
gtk_widget_queue_draw(drawing_area);
|
| 491 |
|
|
}
|
| 492 |
|
|
|
| 493 |
|
|
static void check_hover(void)
|
| 494 |
|
|
{
|
| 495 |
|
|
hover = (piece_at(board, hover_x, hover_y) == PIECE_NONE)
|
| 496 |
|
|
&& hover_x < board_size && hover_y < board_size;
|
| 497 |
|
|
}
|
| 498 |
|
|
|
| 499 |
|
|
#ifndef NO_CAIRO_SVG
|
| 500 |
|
|
void draw_screenshot(const char *filename)
|
| 501 |
|
|
/* Save a screenshot file */
|
| 502 |
|
|
{
|
| 503 |
|
|
cairo_t *old_cairo = cairo;
|
| 504 |
|
|
cairo_surface_t *surface;
|
| 505 |
|
|
int size = 512 - 512 % (board_size + 2);
|
| 506 |
|
|
|
| 507 |
|
|
/* FIXME: 0.5 pixel wide hair lines appear at most sizes */
|
| 508 |
|
|
|
| 509 |
|
|
surface = cairo_svg_surface_create(filename, size, size);
|
| 510 |
|
|
cairo = cairo_create(surface);
|
| 511 |
|
|
draw_board_sized(size);
|
| 512 |
|
|
cairo_show_page(cairo);
|
| 513 |
|
|
cairo_destroy(cairo);
|
| 514 |
|
|
cairo_surface_finish(surface);
|
| 515 |
|
|
cairo = old_cairo;
|
| 516 |
|
|
draw_board();
|
| 517 |
|
|
}
|
| 518 |
|
|
#endif
|
| 519 |
|
|
|
| 520 |
|
|
/*
|
| 521 |
|
|
* Events
|
| 522 |
|
|
*/
|
| 523 |
|
|
|
| 524 |
|
|
// Create a new backing pixmap of the appropriate size
|
| 525 |
|
|
static gboolean configure_event(GtkWidget *widget, GdkEventConfigure *event)
|
| 526 |
|
|
{
|
| 527 |
|
|
if (pixmap) {
|
| 528 |
|
|
g_object_unref(pixmap);
|
| 529 |
|
|
pixmap = NULL;
|
| 530 |
|
|
}
|
| 531 |
|
|
pixmap = gdk_pixmap_new(widget->window, widget->allocation.width,
|
| 532 |
|
|
widget->allocation.height, -1);
|
| 533 |
|
|
if (cairo) {
|
| 534 |
|
|
cairo_destroy(cairo);
|
| 535 |
|
|
cairo = NULL;
|
| 536 |
|
|
}
|
| 537 |
|
|
cairo = gdk_cairo_create(GDK_DRAWABLE(pixmap));
|
| 538 |
|
|
cairo_set_line_width(cairo, 1.);
|
| 539 |
|
|
draw_board();
|
| 540 |
|
|
return TRUE;
|
| 541 |
|
|
}
|
| 542 |
|
|
|
| 543 |
|
|
// Redraw the drawing area from the backing pixmap
|
| 544 |
|
|
static gboolean expose_event(GtkWidget *widget, GdkEventExpose *event)
|
| 545 |
|
|
{
|
| 546 |
|
|
gdk_draw_drawable(widget->window,
|
| 547 |
|
|
widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
|
| 548 |
|
|
pixmap, event->area.x, event->area.y, event->area.x,
|
| 549 |
|
|
event->area.y, event->area.width, event->area.height);
|
| 550 |
|
|
return FALSE;
|
| 551 |
|
|
}
|
| 552 |
|
|
|
| 553 |
|
|
// Mouse button is pressed over drawing area
|
| 554 |
|
|
static gboolean button_press_event(GtkWidget *widget, GdkEventButton *event)
|
| 555 |
|
|
{
|
| 556 |
|
|
check_hover();
|
| 557 |
|
|
if (players[board->turn].ai == PLAYER_HUMAN && hover) {
|
| 558 |
|
|
make_move(hover_x, hover_y);
|
| 559 |
|
|
hover = FALSE;
|
| 560 |
|
|
}
|
| 561 |
|
|
return TRUE;
|
| 562 |
|
|
}
|
| 563 |
|
|
|
| 564 |
|
|
// Mouse leaves drawing area
|
| 565 |
|
|
static gboolean leave_notify_event(GtkWidget *widget, GdkEventCrossing *event,
|
| 566 |
|
|
gpointer user_data)
|
| 567 |
|
|
{
|
| 568 |
|
|
if (hover) {
|
| 569 |
|
|
draw_tile(hover_x, hover_y);
|
| 570 |
|
|
hover = FALSE;
|
| 571 |
|
|
}
|
| 572 |
|
|
window_status("");
|
| 573 |
|
|
return FALSE;
|
| 574 |
|
|
}
|
| 575 |
|
|
|
| 576 |
|
|
// Mouse is moved over drawing area
|
| 577 |
|
|
static gboolean motion_notify_event(GtkWidget *widget, GdkEventMotion *event)
|
| 578 |
|
|
{
|
| 579 |
|
|
gint x, y;
|
| 580 |
|
|
GdkModifierType state;
|
| 581 |
|
|
BCOORD hover_x2, hover_y2;
|
| 582 |
|
|
|
| 583 |
|
|
if (players[board->turn].ai != PLAYER_HUMAN)
|
| 584 |
|
|
return FALSE;
|
| 585 |
|
|
|
| 586 |
|
|
if (event->is_hint)
|
| 587 |
|
|
gdk_window_get_pointer(event->window, &x, &y, &state);
|
| 588 |
|
|
else {
|
| 589 |
|
|
x = event->x;
|
| 590 |
|
|
y = event->y;
|
| 591 |
|
|
state = (GdkModifierType)event->state;
|
| 592 |
|
|
}
|
| 593 |
|
|
if (!pcoord_to_bcoord(x, y, &hover_x2, &hover_y2)) {
|
| 594 |
|
|
if (hover) {
|
| 595 |
|
|
hover = FALSE;
|
| 596 |
|
|
draw_tile(hover_x, hover_y);
|
| 597 |
|
|
}
|
| 598 |
|
|
return FALSE;
|
| 599 |
|
|
}
|
| 600 |
|
|
if (playable &&
|
| 601 |
|
|
(!hover || hover_x2 != hover_x || hover_y2 != hover_y)) {
|
| 602 |
|
|
int i;
|
| 603 |
|
|
char *mark_str = "";
|
| 604 |
|
|
|
| 605 |
|
|
if (hover)
|
| 606 |
|
|
draw_tile(hover_x, hover_y);
|
| 607 |
|
|
hover_x = hover_x2;
|
| 608 |
|
|
hover_y = hover_y2;
|
| 609 |
|
|
check_hover();
|
| 610 |
|
|
if (!hover)
|
| 611 |
|
|
return TRUE;
|
| 612 |
|
|
if ((i = aimoves_find(marks, hover_x, hover_y)) >= 0)
|
| 613 |
|
|
mark_str = va(" marked as %s",
|
| 614 |
|
|
aiw_to_string(marks->data[i].weight));
|
| 615 |
|
|
draw_piece(hover_x, hover_y, board->turn, 0.5);
|
| 616 |
|
|
window_status(va("%s: play at %s/%d,%d (%d move%s left)%s",
|
| 617 |
|
|
piece_to_string(board->turn),
|
| 618 |
|
|
bcoords_to_string(hover_x, hover_y),
|
| 619 |
|
|
hover_x, hover_y, board->moves_left,
|
| 620 |
|
|
board->moves_left == 1 ? "" : "s",
|
| 621 |
|
|
mark_str));
|
| 622 |
|
|
}
|
| 623 |
|
|
|
| 624 |
|
|
return TRUE;
|
| 625 |
|
|
}
|
| 626 |
|
|
|
| 627 |
|
|
/*
|
| 628 |
|
|
* Initilization and settings
|
| 629 |
|
|
*/
|
| 630 |
|
|
|
| 631 |
|
|
// Enable/disable hover and move reporting
|
| 632 |
|
|
void draw_playable(int yes)
|
| 633 |
|
|
{
|
| 634 |
|
|
playable = yes;
|
| 635 |
|
|
if (!yes)
|
| 636 |
|
|
hover = FALSE;
|
| 637 |
|
|
}
|
| 638 |
|
|
|
| 639 |
|
|
// Create the drawing area control
|
| 640 |
|
|
GtkWidget *draw_init(void)
|
| 641 |
|
|
{
|
| 642 |
|
|
if (drawing_area)
|
| 643 |
|
|
return drawing_area;
|
| 644 |
|
|
|
| 645 |
|
|
drawing_area = gtk_drawing_area_new();
|
| 646 |
|
|
g_signal_connect(G_OBJECT(drawing_area), "expose-event",
|
| 647 |
|
|
G_CALLBACK(expose_event), NULL);
|
| 648 |
|
|
g_signal_connect(G_OBJECT(drawing_area), "configure-event",
|
| 649 |
|
|
G_CALLBACK(configure_event), NULL);
|
| 650 |
|
|
g_signal_connect(G_OBJECT(drawing_area), "button-press-event",
|
| 651 |
|
|
G_CALLBACK(button_press_event), NULL);
|
| 652 |
|
|
g_signal_connect(G_OBJECT(drawing_area), "motion-notify-event",
|
| 653 |
|
|
G_CALLBACK(motion_notify_event), NULL);
|
| 654 |
|
|
g_signal_connect(G_OBJECT(drawing_area), "leave-notify-event",
|
| 655 |
|
|
G_CALLBACK(leave_notify_event), NULL);
|
| 656 |
|
|
gtk_widget_set_events(drawing_area,
|
| 657 |
|
|
GDK_EXPOSURE_MASK |
|
| 658 |
|
|
GDK_BUTTON_PRESS_MASK |
|
| 659 |
|
|
GDK_BUTTON_RELEASE_MASK |
|
| 660 |
|
|
GDK_POINTER_MOTION_MASK |
|
| 661 |
|
|
GDK_POINTER_MOTION_HINT_MASK |
|
| 662 |
|
|
GDK_LEAVE_NOTIFY_MASK);
|
| 663 |
|
|
gtk_widget_set_extension_events(drawing_area,
|
| 664 |
|
|
GDK_EXTENSION_EVENTS_CURSOR);
|
| 665 |
|
|
return drawing_area;
|
| 666 |
|
|
}
|
