added SDL backend for easier testing

[winnie] / src / mouse.cc

diff --git a/src/mouse.cc b/src/mouse.cc
deleted file mode 100644 (file)
index b3f329b..0000000
--- a/src/mouse.cc
+++ /dev/null
@@ -1,160 +0,0 @@
-#include <errno.h>
-#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <termios.h>
-#include <unistd.h>
-
-#include "geom.h"
-#include "gfx.h"
-#include "mouse.h"
-#include "window.h"
-#include "wm.h"
-
-#define BN_LEFT                1
-#define BN_RIGHT       2
-#define BN_MIDDLE      4
-
-
-static int dev_fd = -1;        // file descriptor for /dev/psaux
-static Rect bounds;
-static int pointer_x, pointer_y;
-static int bnstate;
-
-bool init_mouse()
-{
-       if((dev_fd = open("/dev/psaux", O_RDONLY | O_NONBLOCK)) == -1) {
-               fprintf(stderr, "Cannot open /dev/psaux : %s\n", strerror(errno));
-               return false;
-       }
-
-       set_mouse_bounds(get_screen_size());
-       return true;
-}
-
-void destroy_mouse()
-{
-       if(dev_fd != -1) {
-               close(dev_fd);
-               dev_fd = -1;
-       }
-}
-
-void set_mouse_bounds(const Rect &rect)
-{
-       bounds = rect;
-}
-
-int get_mouse_fd()
-{
-       return dev_fd;
-}
-
-void process_mouse_event()
-{
-       /* TODO:
-        * - read all pending events from mouse fd (use O_NONBLOCK so that
-        *   read will return -1 when there are no more events instead of blocking).
-        */
-
-       int prev_state = bnstate;
-       int prev_x = pointer_x;
-       int prev_y = pointer_y;
-
-       if(read_mouse() == -1) {
-               return;
-       }
-
-       Window *top = wm->get_window_at_pos(pointer_x, pointer_y);
-       if(top) {
-               wm->set_focused_window(top);
-       }
-       else {
-               wm->set_focused_window(0);
-               return;
-       }
-
-        /* - send each pointer move and button press/release to the topmost window
-        *   with the pointer on it.
-        */
-
-       int dx = pointer_x - prev_x;
-       int dy = pointer_y - prev_y;
-
-       if(dx || dy) {
-               MouseMotionFuncType motion_callback = top->get_mouse_motion_callback();
-               if(motion_callback) {
-                       Rect rect = top->get_rect();
-                       motion_callback(top, pointer_x - rect.x, pointer_y - rect.y);
-               }
-       }
-
-       MouseButtonFuncType button_callback = top->get_mouse_button_callback();
-       if(button_callback && (bnstate != prev_state)) {
-               int num_bits = sizeof bnstate * CHAR_BIT;
-               for(int i=0; i<num_bits; i++) {
-                       int s = (bnstate >> i) & 1;
-                       int prev_s = (prev_state >> i) & 1;
-                       if(s != prev_s) {
-                               button_callback(top, i, s);
-                       }
-               }
-       }
-}
-
-void get_pointer_pos(int *x, int *y)
-{
-       *x = pointer_x;
-       *y = pointer_y;
-}
-
-int get_button_state(int bn)
-{
-       return bnstate;
-}
-
-int get_button(int bn)
-{
-       if(bn < 0 || bn >= 3) {
-               return 0;
-       }
-       return (bnstate & (1 << bn)) != 0;
-}
-
-
-int read_mouse()
-{
-       int rd;
-       signed char state[3] = {0, 0, 0};
-
-       if((rd = read(dev_fd, state, 3)) == -1) {
-               fprintf(stderr, "Unable to get mouse state : %s\n", strerror(errno));
-               return -1;
-       }
-
-       bnstate = state[0] & 7;
-       pointer_x += state[1];
-       pointer_y -= state[2];
-
-       if(pointer_x < bounds.x) {
-               pointer_x = bounds.x;
-       }
-
-       if(pointer_y < bounds.y) {
-               pointer_y = bounds.y;
-       }
-
-       if(pointer_x > bounds.x + bounds.width - 1) {
-               pointer_x = bounds.x + bounds.width - 1;
-       }
-
-       if(pointer_y > bounds.y + bounds.height - 1) {
-               pointer_y = bounds.y + bounds.height - 1;
-       }
-
-       return 0;
-}