2 * DOS interrupt 33h handler
4 * Copyright 1999 Ove Kåven
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
31 #include "wine/debug.h"
33 WINE_DEFAULT_DEBUG_CHANNEL(int);
38 WORD lbcount, rbcount, rlastx, rlasty, llastx, llasty;
41 WORD VMPratio, HMPratio, oldx, oldy;
46 /**********************************************************************
50 * - subfunction 0x00 (reset mouse)
51 * - subfunction 0x21 (software reset)
53 static void INT33_ResetMouse( CONTEXT *context )
55 memset( &mouse_info, 0, sizeof(mouse_info) );
57 /* Set the default mickey/pixel ratio */
58 mouse_info.HMPratio = 8;
59 mouse_info.VMPratio = 16;
61 /* Hide the mouse cursor */
62 mouse_info.hide_count = 1;
63 VGA_ShowMouse( FALSE );
67 SET_AX( context, 0xFFFF ); /* driver installed */
68 SET_BX( context, 3 ); /* number of buttons */
73 /**********************************************************************
76 * Handler for int 33h (MS MOUSE).
78 void WINAPI DOSVM_Int33Handler( CONTEXT *context )
80 switch (AX_reg(context))
83 TRACE("Reset mouse driver and request status\n");
84 INT33_ResetMouse( context );
88 TRACE("Show mouse cursor, old hide count: %d\n",
89 mouse_info.hide_count);
90 if (mouse_info.hide_count >= 1)
91 mouse_info.hide_count--;
92 if (!mouse_info.hide_count)
93 VGA_ShowMouse( TRUE );
97 TRACE("Hide mouse cursor, old hide count: %d\n",
98 mouse_info.hide_count);
99 if(!mouse_info.hide_count)
100 VGA_ShowMouse( FALSE );
101 mouse_info.hide_count++;
105 TRACE("Return mouse position and button status: (%d,%d) and %d\n",
106 mouse_info.x, mouse_info.y, mouse_info.but);
107 SET_BX( context, mouse_info.but );
108 SET_CX( context, mouse_info.x );
109 SET_DX( context, mouse_info.y );
113 FIXME("Position mouse cursor\n");
117 TRACE("Return Mouse button press Information for %s mouse button\n",
118 BX_reg(context) ? "right" : "left");
121 SET_BX( context, mouse_info.rbcount );
122 mouse_info.rbcount = 0;
123 SET_CX( context, mouse_info.rlastx );
124 SET_DX( context, mouse_info.rlasty );
128 SET_BX( context, mouse_info.lbcount );
129 mouse_info.lbcount = 0;
130 SET_CX( context, mouse_info.llastx );
131 SET_DX( context, mouse_info.llasty );
133 SET_AX( context, mouse_info.but );
137 FIXME("Define horizontal mouse cursor range %d..%d\n",
138 CX_reg(context), DX_reg(context));
142 FIXME("Define vertical mouse cursor range %d..%d\n",
143 CX_reg(context), DX_reg(context));
147 FIXME("Define graphics mouse cursor\n");
151 FIXME("Define text mouse cursor\n");
155 TRACE("Read Mouse motion counters\n");
157 int dx = ((int)mouse_info.x - (int)mouse_info.oldx)
158 * (mouse_info.HMPratio / 8);
159 int dy = ((int)mouse_info.y - (int)mouse_info.oldy)
160 * (mouse_info.VMPratio / 8);
162 SET_CX( context, (WORD)dx );
163 SET_DX( context, (WORD)dy );
165 mouse_info.oldx = mouse_info.x;
166 mouse_info.oldy = mouse_info.y;
171 TRACE("Define mouse interrupt subroutine\n");
172 mouse_info.callmask = CX_reg(context);
173 mouse_info.callback = (FARPROC16)MAKESEGPTR(context->SegEs,
178 TRACE("Set mickey/pixel ratio\n");
179 mouse_info.HMPratio = CX_reg(context);
180 mouse_info.VMPratio = DX_reg(context);
184 FIXME("Define screen region for update\n");
188 TRACE("Software reset\n");
189 INT33_ResetMouse( context );
193 INT_BARF(context,0x33);
199 WORD mask,but,x,y,mx,my;
202 static void MouseRelay(CONTEXT *context,void *mdata)
204 MCALLDATA *data = mdata;
205 CONTEXT ctx = *context;
209 ctx.EFlags |= V86_FLAG;
210 ctx.SegSs = 0; /* Allocate new stack. */
213 ctx.Eax = data->mask;
219 ctx.SegCs = SELECTOROF(data->proc);
220 ctx.Eip = OFFSETOF(data->proc);
221 HeapFree(GetProcessHeap(), 0, data);
222 DPMI_CallRMProc(&ctx, NULL, 0, 0);
225 static void QueueMouseRelay(DWORD mx, DWORD my, WORD mask)
230 /* Left button down */
232 mouse_info.but |= 0x01;
233 mouse_info.llastx = mx;
234 mouse_info.llasty = my;
235 mouse_info.lbcount++;
240 mouse_info.but &= ~0x01;
243 /* Right button down */
245 mouse_info.but |= 0x02;
246 mouse_info.rlastx = mx;
247 mouse_info.rlasty = my;
248 mouse_info.rbcount++;
251 /* Right button up */
253 mouse_info.but &= ~0x02;
256 /* Middle button down */
258 mouse_info.but |= 0x04;
261 /* Middle button up */
263 mouse_info.but &= ~0x04;
266 if ((mask & mouse_info.callmask) && mouse_info.callback) {
267 MCALLDATA *data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(MCALLDATA));
268 data->proc = mouse_info.callback;
269 data->mask = mask & mouse_info.callmask;
270 data->but = mouse_info.but;
271 data->x = mouse_info.x;
272 data->y = mouse_info.y;
277 * FIXME: This is not entirely correct. If mouse if moved to the edge
278 * of the screen, mouse will stop moving and mickeys won't
279 * be updated even though they should be.
281 data->mx = mouse_info.x * (mouse_info.HMPratio / 8);
282 data->my = mouse_info.y * (mouse_info.VMPratio / 8);
284 DOSVM_QueueEvent(-1, DOS_PRIORITY_MOUSE, MouseRelay, data);
288 void DOSVM_Int33Message(UINT message,WPARAM wParam,LPARAM lParam)
291 unsigned Height, Width, SX=1, SY=1;
293 if (!VGA_GetMode(&Height,&Width,NULL)) {
294 /* may need to do some coordinate scaling */
305 case WM_LBUTTONDBLCLK:
312 case WM_RBUTTONDBLCLK:
319 case WM_MBUTTONDBLCLK:
327 QueueMouseRelay(LOWORD(lParam) * SX,
332 void DOSVM_Int33Console(MOUSE_EVENT_RECORD *record)
334 unsigned Height, Width;
336 BOOL newLeftButton = record->dwButtonState & FROM_LEFT_1ST_BUTTON_PRESSED;
337 BOOL oldLeftButton = mouse_info.but & 0x01;
338 BOOL newRightButton = record->dwButtonState & RIGHTMOST_BUTTON_PRESSED;
339 BOOL oldRightButton = mouse_info.but & 0x02;
340 BOOL newMiddleButton = record->dwButtonState & FROM_LEFT_2ND_BUTTON_PRESSED;
341 BOOL oldMiddleButton = mouse_info.but & 0x04;
343 if(newLeftButton && !oldLeftButton)
345 else if(!newLeftButton && oldLeftButton)
348 if(newRightButton && !oldRightButton)
350 else if(!newRightButton && oldRightButton)
353 if(newMiddleButton && !oldMiddleButton)
355 else if(!newMiddleButton && oldMiddleButton)
358 if (VGA_GetAlphaMode(&Width, &Height))
359 QueueMouseRelay( 640 / Width * record->dwMousePosition.X,
360 200 / Height * record->dwMousePosition.Y,