Rockbox open source high quality audio player as a Music Player Daemon
mpris
rockbox
mpd
libadwaita
audio
rust
zig
deno
puzzles: polish mouse mode
Reduces lag when dragging. Also throws some comments in.
Change-Id: Ibd0d95e94200ae6de8258ce8d2e001c931161385
+28
-25
+28
-25
apps/plugins/puzzles/rockbox.c
+28
-25
apps/plugins/puzzles/rockbox.c
···
1585
1585
* following code is needed for mouse mode. */
1586
1586
if(mouse_mode)
1587
1587
{
1588
+
static int last_mousedir = 0, held_count = 0, v = 1;
1589
+
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1590
if(button & BTN_UP)
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1591
state = CURSOR_UP;
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1592
else if(button & BTN_DOWN)
···
1599
1601
1600
1602
last_keystate = button;
1601
1603
1604
+
/* move */
1605
+
/* get the direction vector the cursor is moving in. */
1606
+
int new_x = mouse_x, new_y = mouse_y;
1607
+
1608
+
/* in src/misc.c */
1609
+
move_cursor(state, &new_x, &new_y, LCD_WIDTH, LCD_HEIGHT, FALSE);
1610
+
1611
+
int dx = new_x - mouse_x, dy = new_y - mouse_y;
1612
+
1613
+
mouse_x += dx * v;
1614
+
mouse_y += dy * v;
1615
+
1616
+
/* clamp */
1617
+
/* The % operator with negative operands is messy; this is much
1618
+
* simpler. */
1619
+
if(mouse_x < 0)
1620
+
mouse_x = 0;
1621
+
if(mouse_y < 0)
1622
+
mouse_y = 0;
1623
+
1624
+
if(mouse_x >= LCD_WIDTH)
1625
+
mouse_x = LCD_WIDTH - 1;
1626
+
if(mouse_y >= LCD_HEIGHT)
1627
+
mouse_y = LCD_HEIGHT - 1;
1628
+
1629
+
/* clicking/dragging */
1602
1630
/* rclick on hold requires that we fire left-click on a
1603
1631
* release, otherwise it's impossible to distinguish the
1604
1632
* two. */
···
1620
1648
send_click(LEFT_DRAG, false);
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1649
}
1622
1650
1623
-
static int last_mousedir = 0, held_count = 0, v = 0;
1624
-
1625
1651
/* acceleration */
1626
1652
if(state && state == last_mousedir)
1627
1653
{
···
1639
1665
v = 1;
1640
1666
held_count = 0;
1641
1667
}
1642
-
1643
-
/* get the direction vector the cursor is moving in. */
1644
-
int new_x = mouse_x, new_y = mouse_y;
1645
-
1646
-
/* in src/misc.c */
1647
-
move_cursor(state, &new_x, &new_y, LCD_WIDTH, LCD_HEIGHT, FALSE);
1648
-
1649
-
int dx = new_x - mouse_x, dy = new_y - mouse_y;
1650
-
1651
-
mouse_x += dx * v;
1652
-
mouse_y += dy * v;
1653
-
1654
-
/* The % operator with negative operands is messy; this is much
1655
-
* simpler. */
1656
-
if(mouse_x < 0)
1657
-
mouse_x = 0;
1658
-
if(mouse_y < 0)
1659
-
mouse_y = 0;
1660
-
1661
-
if(mouse_x >= LCD_WIDTH)
1662
-
mouse_x = LCD_WIDTH - 1;
1663
-
if(mouse_y >= LCD_HEIGHT)
1664
-
mouse_y = LCD_HEIGHT - 1;
1665
1668
1666
1669
/* no buttons are sent to the midend in mouse mode */
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1670
return 0;