added via accelerant, a copy of skeleton driver yet.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13581 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen
parent
fa50484bed
commit
bd4e3ea16c
195
src/add-ons/accelerants/via/Cursor.c
Normal file
195
src/add-ons/accelerants/via/Cursor.c
Normal file
@ -0,0 +1,195 @@
|
||||
/*
|
||||
Copyright 1999, Be Incorporated. All Rights Reserved.
|
||||
This file may be used under the terms of the Be Sample Code License.
|
||||
|
||||
Other authors:
|
||||
Mark Watson,
|
||||
Rudolf Cornelissen 4/2003-5/2004
|
||||
*/
|
||||
|
||||
#define MODULE_BIT 0x20000000
|
||||
|
||||
#include "acc_std.h"
|
||||
|
||||
status_t SET_CURSOR_SHAPE(uint16 width, uint16 height, uint16 hot_x, uint16 hot_y, uint8 *andMask, uint8 *xorMask)
|
||||
{
|
||||
LOG(4,("SET_CURSOR_SHAPE: width %d, height %d, hot_x %d, hot_y %d\n",
|
||||
width, height, hot_x, hot_y));
|
||||
|
||||
if ((width != 16) || (height != 16))
|
||||
{
|
||||
return B_ERROR;
|
||||
}
|
||||
else if ((hot_x >= width) || (hot_y >= height))
|
||||
{
|
||||
return B_ERROR;
|
||||
}
|
||||
else
|
||||
{
|
||||
head1_cursor_define(andMask,xorMask);
|
||||
if ((si->dm.flags & DUALHEAD_BITS) != DUALHEAD_OFF)
|
||||
head2_cursor_define(andMask,xorMask);
|
||||
|
||||
/* Update cursor variables appropriately. */
|
||||
si->cursor.width = width;
|
||||
si->cursor.height = height;
|
||||
si->cursor.hot_x = hot_x;
|
||||
si->cursor.hot_y = hot_y;
|
||||
}
|
||||
|
||||
return B_OK;
|
||||
}
|
||||
|
||||
/* Move the cursor to the specified position on the desktop, taking account of virtual/dual issues */
|
||||
void MOVE_CURSOR(uint16 x, uint16 y)
|
||||
{
|
||||
uint16 hds = si->dm.h_display_start; /* the current horizontal starting pixel */
|
||||
uint16 vds = si->dm.v_display_start; /* the current vertical starting line */
|
||||
uint16 h_adjust;
|
||||
|
||||
/* clamp cursor to display */
|
||||
if (x >= si->dm.virtual_width) x = si->dm.virtual_width - 1;
|
||||
if (y >= si->dm.virtual_height) y = si->dm.virtual_height - 1;
|
||||
|
||||
/* store, for our info */
|
||||
si->cursor.x = x;
|
||||
si->cursor.y = y;
|
||||
|
||||
/* setting up minimum amount to scroll not needed:
|
||||
* Nvidia cards can always do pixelprecise panning on both heads */
|
||||
h_adjust = 0x00;
|
||||
|
||||
/* adjust h/v_display_start to move cursor onto screen */
|
||||
switch (si->dm.flags & DUALHEAD_BITS)
|
||||
{
|
||||
case DUALHEAD_ON:
|
||||
case DUALHEAD_SWITCH:
|
||||
if (x >= ((si->dm.timing.h_display * 2) + hds))
|
||||
{
|
||||
hds = ((x - (si->dm.timing.h_display * 2)) + 1 + h_adjust) & ~h_adjust;
|
||||
/* make sure we stay within the display! */
|
||||
if ((hds + (si->dm.timing.h_display * 2)) > si->dm.virtual_width)
|
||||
hds -= (h_adjust + 1);
|
||||
}
|
||||
else if (x < hds)
|
||||
hds = x & ~h_adjust;
|
||||
break;
|
||||
default:
|
||||
if (x >= (si->dm.timing.h_display + hds))
|
||||
{
|
||||
hds = ((x - si->dm.timing.h_display) + 1 + h_adjust) & ~h_adjust;
|
||||
/* make sure we stay within the display! */
|
||||
if ((hds + si->dm.timing.h_display) > si->dm.virtual_width)
|
||||
hds -= (h_adjust + 1);
|
||||
}
|
||||
else if (x < hds)
|
||||
hds = x & ~h_adjust;
|
||||
break;
|
||||
}
|
||||
|
||||
if (y >= (si->dm.timing.v_display + vds))
|
||||
vds = y - si->dm.timing.v_display + 1;
|
||||
else if (y < vds)
|
||||
vds = y;
|
||||
|
||||
/* reposition the desktop _and_ the overlay on the display if required */
|
||||
if ((hds!=si->dm.h_display_start) || (vds!=si->dm.v_display_start))
|
||||
{
|
||||
MOVE_DISPLAY(hds,vds);
|
||||
eng_bes_move_overlay();
|
||||
}
|
||||
|
||||
/* put cursor in correct physical position, so stay onscreen (rel. to CRTC) */
|
||||
if (x > (hds + si->cursor.hot_x)) x -= (hds + si->cursor.hot_x);
|
||||
else x = 0;
|
||||
if (y > (vds + si->cursor.hot_y)) y -= (vds + si->cursor.hot_y);
|
||||
else y = 0;
|
||||
|
||||
/* position the cursor on the display */
|
||||
switch (si->dm.flags & DUALHEAD_BITS)
|
||||
{
|
||||
case DUALHEAD_CLONE:
|
||||
head1_cursor_position(x,y);
|
||||
head2_cursor_position(x,y);
|
||||
break;
|
||||
case DUALHEAD_ON:
|
||||
case DUALHEAD_SWITCH:
|
||||
if (x < si->dm.timing.h_display)
|
||||
{
|
||||
if (si->cursor.dh_right)
|
||||
{
|
||||
LOG(4,("MOVE_CURSOR: now on left side\n"));
|
||||
head2_cursor_hide();
|
||||
head1_cursor_show();
|
||||
si->cursor.dh_right = false;
|
||||
}
|
||||
head1_cursor_position(x, y);
|
||||
}
|
||||
else
|
||||
{
|
||||
if (!si->cursor.dh_right)
|
||||
{
|
||||
LOG(4,("MOVE_CURSOR: now on right side\n"));
|
||||
head1_cursor_hide();
|
||||
head2_cursor_show();
|
||||
si->cursor.dh_right = true;
|
||||
}
|
||||
head2_cursor_position((x - si->dm.timing.h_display), y);
|
||||
}
|
||||
break;
|
||||
default: /* singlehead mode */
|
||||
head1_cursor_position(x,y);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void SHOW_CURSOR(bool is_visible)
|
||||
{
|
||||
/* record for our info */
|
||||
si->cursor.is_visible = is_visible;
|
||||
|
||||
switch (si->dm.flags & DUALHEAD_BITS)
|
||||
{
|
||||
case DUALHEAD_CLONE:
|
||||
if (is_visible)
|
||||
{
|
||||
head1_cursor_show();
|
||||
head2_cursor_show();
|
||||
}
|
||||
else
|
||||
{
|
||||
head1_cursor_hide();
|
||||
head2_cursor_hide();
|
||||
}
|
||||
break;
|
||||
case DUALHEAD_ON:
|
||||
case DUALHEAD_SWITCH:
|
||||
if (is_visible)
|
||||
{
|
||||
if (!si->cursor.dh_right)
|
||||
{
|
||||
head1_cursor_show();
|
||||
}
|
||||
else
|
||||
{
|
||||
head2_cursor_show();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
head1_cursor_hide();
|
||||
head2_cursor_hide();
|
||||
}
|
||||
break;
|
||||
default: /* singlehead mode */
|
||||
if (is_visible)
|
||||
{
|
||||
head1_cursor_show();
|
||||
}
|
||||
else
|
||||
{
|
||||
head1_cursor_hide();
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user