valter/dosbox-staging
1
0
Fork 0
Code Releases Activity

+ textmode mouse cursor

Browse source 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@458
This commit is contained in:
Ulf Wohlers 2002-10-28 16:37:08 +00:00
parent 3c26bb94da
commit 4bc7a382fa
1 changed files with 73 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

76
src/ints/mouse.cpp
View file

@ -44,6 +44,9 @@ struct button_event {
#define CURSORY 16
#define HIGHESTBIT (1<<(CURSORX-1))
static Bit16u defaultTextAndMask = 0x77FF;
static Bit16u defaultTextXorMask = 0x7700;
static Bit16u defaultScreenMask[CURSORY] = {
0x3FFF, 0x1FFF, 0x0FFF, 0x07FF,
0x03FF, 0x01FF, 0x00FF, 0x007F,
@ -86,6 +89,7 @@ static struct {
Bit16u* cursorMask;
Bit16s clipx,clipy;
Bit16s hotx,hoty;
Bit16u textAndMask, textXorMask;
} mouse;
#define X_MICKEY 8
@ -108,6 +112,58 @@ INLINE void Mouse_AddEvent(Bit16u type) {
PIC_ActivateIRQ(12);
}
// ***************************************************************************
// Mouse cursor - text mode
// ***************************************************************************
void RestoreCursorBackgroundText()
{
if (mouse.shown<0) return;
if (mouse.background) {
// Save old Cursorposition
Bit8u oldx = CURSOR_POS_ROW(0);
Bit8u oldy = CURSOR_POS_COL(0);
// Restore background
INT10_SetCursorPos ((Bit8u)mouse.backposy,(Bit8u)mouse.backposx,0);
INT10_WriteChar (mouse.backData[0],mouse.backData[1],0,1,true);
// Restore old cursor position
INT10_SetCursorPos (oldx,oldy,0);
mouse.background = false;
}
};
void DrawCursorText()
{
// Restore Background
RestoreCursorBackgroundText();
// Save old Cursorposition
Bit8u oldx = CURSOR_POS_ROW(0);
Bit8u oldy = CURSOR_POS_COL(0);
// Save Background
Bit16u result;
INT10_SetCursorPos (POS_Y>>3,POS_X>>3,0);
INT10_ReadCharAttr (&result,0);
mouse.backData[0] = result & 0xFF;
mouse.backData[1] = result>>8;
mouse.backposx = POS_X>>3;
mouse.backposy = POS_Y>>3;
mouse.background = true;
// Write Cursor
result = (result & mouse.textAndMask) ^ mouse.textXorMask;
INT10_WriteChar (result&0xFF,result>>8,0,1,true);
// Restore old cursor position
INT10_SetCursorPos (oldx,oldy,0);
};
// ***************************************************************************
// Mouse cursor - graphic mode
// ***************************************************************************
static gfxReg[9];
void SaveVgaRegisters()
@ -189,6 +245,13 @@ void DrawCursor() {
// Get Clipping ranges
VGAMODES * curmode=GetCurrentMode();
if (!curmode) return;
// In Textmode ?
if (curmode->type==TEXT) {
DrawCursorText();
return;
}
mouse.clipx = curmode->swidth-1;
mouse.clipy = curmode->sheight-1;
@ -323,6 +386,8 @@ static void mouse_reset(void) {
mouse.background = false;
mouse.screenMask = defaultScreenMask;
mouse.cursorMask = defaultCursorMask;
mouse.textAndMask= defaultTextAndMask;
mouse.textXorMask= defaultTextXorMask;
}
@ -340,8 +405,12 @@ static Bitu INT33_Handler(void) {
DrawCursor();
break;
case 0x02: /* Hide Mouse */
RestoreCursorBackground();
mouse.shown--;
{
VGAMODES * curmode=GetCurrentMode();
if (curmode && curmode->type==GRAPH) RestoreCursorBackground();
else RestoreCursorBackgroundText();
mouse.shown--;
}
break;
case 0x03: /* Return position and Button Status */
reg_bx=mouse.buttons;
@ -400,7 +469,8 @@ static Bitu INT33_Handler(void) {
}
break;
case 0x0a: /* Define Text Cursor */
/* Don't see much need for supporting this */
mouse.textAndMask = reg_cx;
mouse.textXorMask = reg_dx;
break;
case 0x0c: /* Define interrupt subroutine parameters */
mouse.sub_mask=reg_cx;