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Implement update region in mouse driver; only text modes for now. Fixes mouse pointer problems in Microsoft Programmer's Library.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4062
This commit is contained in:
ripsaw8080 2017-10-28 19:49:11 +00:00
parent e24b034d20
commit 29bb526d20
1 changed files with 15 additions and 11 deletions
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26
src/ints/mouse.cpp
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@ -113,8 +113,8 @@ static struct {
Bit16u dspeed_val;
float senv_x;
float senv_y;
Bit16u updateRegion_x[2];
Bit16u updateRegion_y[2];
Bit16s updateRegion_x[2];
Bit16s updateRegion_y[2];
Bit16u doubleSpeedThreshold;
Bit16u language;
Bit16u cursorType;
@ -251,6 +251,11 @@ void DrawCursorText() {
// Restore Background
RestoreCursorBackgroundText();
// Check if cursor in update region
if ((POS_Y <= mouse.updateRegion_y[1]) && (POS_Y >= mouse.updateRegion_y[0]) &&
(POS_X <= mouse.updateRegion_x[1]) && (POS_X >= mouse.updateRegion_x[0])) {
return;
}
// Save Background
mouse.backposx = POS_X>>3;
@ -674,10 +679,7 @@ void Mouse_AfterNewVideoMode(bool setmode) {
mouse.language = 0;
mouse.page = 0;
mouse.doubleSpeedThreshold = 64;
mouse.updateRegion_x[0] = 1;
mouse.updateRegion_y[0] = 1;
mouse.updateRegion_x[1] = 1;
mouse.updateRegion_y[1] = 1;
mouse.updateRegion_y[1] = -1; //offscreen
mouse.cursorType = 0; //Test
mouse.enabled=true;
@ -716,6 +718,7 @@ static Bitu INT33_Handler(void) {
break;
case 0x01: /* Show Mouse */
if(mouse.hidden) mouse.hidden--;
mouse.updateRegion_y[1] = -1; //offscreen
Mouse_AutoLock(true);
DrawCursor();
break;
@ -838,11 +841,12 @@ static Bitu INT33_Handler(void) {
case 0x0f: /* Define mickey/pixel rate */
Mouse_SetMickeyPixelRate(reg_cx,reg_dx);
break;
case 0x10: /* Define screen region for updating */
mouse.updateRegion_x[0]=reg_cx;
mouse.updateRegion_y[0]=reg_dx;
mouse.updateRegion_x[1]=reg_si;
mouse.updateRegion_y[1]=reg_di;
case 0x10: /* Define screen region for updating */
mouse.updateRegion_x[0]=(Bit16s)reg_cx;
mouse.updateRegion_y[0]=(Bit16s)reg_dx;
mouse.updateRegion_x[1]=(Bit16s)reg_si;
mouse.updateRegion_y[1]=(Bit16s)reg_di;
DrawCursor();
break;
case 0x11: /* Get number of buttons */
reg_ax=0xffff;