+ draw mouse pointer
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@454
This commit is contained in:
Ulf Wohlers
parent
dfb87ec9e3
commit
69ad2dee2d
3 changed files with 193 additions and 2 deletions
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@ -200,6 +200,8 @@ void INT10_GetSingleDacRegister(Bit8u index,Bit8u * red,Bit8u * green,Bit8u * bl
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void INT10_SetDACBlock(Bit16u index,Bit16u count,PhysPt data);
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void INT10_GetDACBlock(Bit16u index,Bit16u count,PhysPt data);
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/* Mouse pointer */
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void INT10_SetGfxControllerToDefault(void);
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/* Sup Groups */
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void INT10_SetupRomMemory(void);
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@ -411,3 +411,15 @@ void INT10_SetVideoMode(Bit8u mode) {
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/* Set some interrupt vectors */
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RealSetVec(0x43,int10_romarea.font_8_first);
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};
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void INT10_SetGfxControllerToDefault()
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// reset gfx controller to default values
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// needed for drawing mouse pointer
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{
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Bit8u line=FindVideoMode(real_readb(BIOSMEM_SEG,BIOSMEM_CURRENT_MODE)&127);
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// Set Grafx Ctl
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for(Bit8u i=0;i<=GRDC_MAX_REG;i++) {
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IO_Write(VGAREG_GRDC_ADDRESS,(Bit8u)i);
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IO_Write(VGAREG_GRDC_DATA,grdc_regs[vga_modes[line].grdcmodel][i]);
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}
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};
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@ -40,6 +40,27 @@ struct button_event {
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#define POS_X (Bit16s)(mouse.x)
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#define POS_Y (Bit16s)(mouse.y)
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#define CURSORX 16
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#define CURSORY 16
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#define HIGHESTBIT (1<<(CURSORX-1))
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static Bit16u defaultScreenMask[CURSORY] = {
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0x3FFF, 0x1FFF, 0x0FFF, 0x07FF,
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0x03FF, 0x01FF, 0x00FF, 0x007F,
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0x003F, 0x001F, 0x01FF, 0x00FF,
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0x30FF, 0xF87F, 0xF87F, 0xFCFF
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};
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static Bit16u defaultCursorMask[CURSORY] = {
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0x0000, 0x4000, 0x6000, 0x7000,
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0x7800, 0x7C00, 0x7E00, 0x7F00,
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0x7F80, 0x7C00, 0x6C00, 0x4600,
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0x0600, 0x0300, 0x0300, 0x0000
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};
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static Bit16u userdefScreenMask[CURSORY];
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static Bit16u userdefCursorMask[CURSORY];
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static struct {
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Bit16u buttons;
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Bit16u times_pressed[MOUSE_BUTTONS];
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@ -57,6 +78,14 @@ static struct {
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Bit32u events;
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Bit16u sub_seg,sub_ofs;
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Bit16u sub_mask;
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bool background;
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Bit16s backposx, backposy;
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Bit8u backData[CURSORX*CURSORY];
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Bit16u* screenMask;
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Bit16u* cursorMask;
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Bit16s clipx,clipy;
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Bit16s hotx,hoty;
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} mouse;
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#define X_MICKEY 8
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@ -79,8 +108,138 @@ INLINE void Mouse_AddEvent(Bit16u type) {
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PIC_ActivateIRQ(12);
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}
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static void DrawCursor() {
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static gfxReg[9];
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void SaveVgaRegisters()
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{
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for (int i=0; i<9; i++) {
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IO_Write (0x3CE,i);
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gfxReg[i] = IO_Read(0x3CF);
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};
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// Set default
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INT10_SetGfxControllerToDefault();
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};
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void RestoreVgaRegisters()
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{
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for (int i=0; i<9; i++) {
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IO_Write(0x3CE,i);
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IO_Write(0x3CF,gfxReg[i]);
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};
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};
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void ClipCursorArea(Bit16s& x1, Bit16s& x2, Bit16s& y1, Bit16s& y2, Bit16u& addx1, Bit16u& addx2, Bit16u& addy)
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{
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addx1 = addx2 = addy = 0;
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// Clip up
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if (y1<0) {
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addy += (-y1);
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y1 = 0;
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}
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// Clip down
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if (y2>mouse.clipy) {
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y2 = mouse.clipy;
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};
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// Clip left
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if (x1<0) {
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addx1 += (-x1);
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x1 = 0;
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};
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// Clip right
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if (x2>mouse.clipx) {
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addx2 = x2 - mouse.clipx;
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x2 = mouse.clipx;
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};
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};
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void RestoreCursorBackground()
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{
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if (mouse.shown<0) return;
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SaveVgaRegisters();
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if (mouse.background) {
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// Restore background
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Bit16s x,y;
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Bit16u addx1,addx2,addy;
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Bit16u dataPos = 0;
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Bit16s x1 = mouse.backposx;
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Bit16s y1 = mouse.backposy;
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Bit16s x2 = x1 + CURSORX - 1;
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Bit16s y2 = y1 + CURSORY - 1;
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ClipCursorArea(x1, x2, y1, y2, addx1, addx2, addy);
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dataPos = addy * CURSORX;
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for (y=y1; y<=y2; y++) {
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dataPos += addx1;
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for (x=x1; x<=x2; x++) {
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INT10_PutPixel(x,y,0,mouse.backData[dataPos++]);
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};
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dataPos += addx2;
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};
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mouse.background = false;
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};
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RestoreVgaRegisters();
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};
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void DrawCursor() {
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if (mouse.shown<0) return;
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// Get Clipping ranges
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VGAMODES * curmode=GetCurrentMode();
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if (!curmode) return;
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mouse.clipx = curmode->swidth-1;
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mouse.clipy = curmode->sheight-1;
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RestoreCursorBackground();
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SaveVgaRegisters();
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// Save Background
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Bit16s x,y;
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Bit16u addx1,addx2,addy;
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Bit16u dataPos = 0;
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Bit16s x1 = POS_X - mouse.hotx;
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Bit16s y1 = POS_Y - mouse.hoty;
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Bit16s x2 = x1 + CURSORX - 1;
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Bit16s y2 = y1 + CURSORY - 1;
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ClipCursorArea(x1,x2,y1,y2, addx1, addx2, addy);
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dataPos = addy * CURSORX;
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for (y=y1; y<=y2; y++) {
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dataPos += addx1;
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for (x=x1; x<=x2; x++) {
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INT10_GetPixel(x,y,0,&mouse.backData[dataPos++]);
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};
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dataPos += addx2;
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};
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mouse.background= true;
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mouse.backposx = POS_X - mouse.hotx;
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mouse.backposy = POS_Y - mouse.hoty;
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// Draw Mousecursor
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dataPos = addy * CURSORX;
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for (y=y1; y<=y2; y++) {
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Bit16u scMask = mouse.screenMask[addy+y-y1];
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Bit16u cuMask = mouse.cursorMask[addy+y-y1];
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if (addx1>0) { scMask<<=addx1; cuMask<<=addx1; dataPos += addx1; };
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for (x=x1; x<=x2; x++) {
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Bit8u pixel = 0;
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// ScreenMask
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if (scMask & HIGHESTBIT) pixel = mouse.backData[dataPos];
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scMask<<=1;
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// CursorMask
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if (cuMask & HIGHESTBIT) pixel = pixel ^ 0x0F;
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cuMask<<=1;
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// Set Pixel
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INT10_PutPixel(x,y,0,pixel);
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dataPos++;
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};
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dataPos += addx2;
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};
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RestoreVgaRegisters();
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}
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void Mouse_CursorMoved(float x,float y) {
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@ -158,6 +317,12 @@ static void mouse_reset(void) {
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mouse.sub_mask=0;
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mouse.sub_seg=0;
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mouse.sub_ofs=0;
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mouse.hotx = 0;
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mouse.hoty = 0;
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mouse.background = false;
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mouse.screenMask = defaultScreenMask;
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mouse.cursorMask = defaultCursorMask;
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}
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@ -172,8 +337,10 @@ static Bitu INT33_Handler(void) {
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case 0x01: /* Show Mouse */
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mouse.shown++;
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if (mouse.shown>0) mouse.shown=0;
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DrawCursor();
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break;
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case 0x02: /* Hide Mouse */
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RestoreCursorBackground();
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mouse.shown--;
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break;
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case 0x03: /* Return position and Button Status */
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@ -184,6 +351,7 @@ static Bitu INT33_Handler(void) {
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case 0x04: /* Position Mouse */
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mouse.x=(float)reg_cx;
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mouse.y=(float)reg_dx;
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DrawCursor();
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break;
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case 0x05: /* Return Button Press Data */
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{
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@ -220,7 +388,16 @@ static Bitu INT33_Handler(void) {
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mouse.max_y=reg_dx;
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break;
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case 0x09: /* Define GFX Cursor */
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LOG_WARN("MOUSE:Define gfx cursor not supported");
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{
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PhysPt src = SegPhys(es)+reg_dx;
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MEM_BlockRead(src ,userdefScreenMask,CURSORY*2);
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MEM_BlockRead(src+CURSORY*2,userdefCursorMask,CURSORY*2);
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mouse.screenMask = userdefScreenMask;
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mouse.cursorMask = userdefCursorMask;
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mouse.hotx = reg_bx;
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mouse.hoty = reg_cx;
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DrawCursor();
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}
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break;
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case 0x0a: /* Define Text Cursor */
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/* Don't see much need for supporting this */
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