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mask window outlines when dragging

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This commit is contained in:
Jesús A. Álvarez 2019-11-06 23:46:35 +01:00
parent 93797ff488
commit aa95b9a11d
3 changed files with 62 additions and 1 deletions
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49
BasiliskII/src/SDL/video_rootless.cpp
View File

@ -11,6 +11,7 @@
#include "main.h"
#include "macos_util.h"
#include "prefs.h"
#include "emul_op.h"
#include <vector>
extern void make_window_transparent(SDL_Window * window);
@ -54,10 +55,34 @@ static const uint8 rootless_proc[] = {
0x20, 0x1F, // move.l (sp)+,d0 ; size
0x20, 0x5F, // movea.l (sp)+,a0 ; handle
0x4E, 0x75, // rts
#define PAINTRGNPATCH (GETRESOURCE + 22)
M68K_EMUL_OP_PAINTRGN >> 8,
M68K_EMUL_OP_PAINTRGN & 0xff,
0x2F, 0x3C, 0, 0, 0, 0, // move.l address, -(sp)
0x4E, 0x75, // rts
#define DRAGGRAYRGNPATCH (PAINTRGNPATCH + 10)
M68K_EMUL_OP_DRAGGRAYRGN >> 8,
M68K_EMUL_OP_DRAGGRAYRGN & 0xff,
0x2F, 0x3C, 0, 0, 0, 0, // move.l address, -(sp)
0x4E, 0x75, // rts
};
static uint32 rootless_proc_ptr = 0;
static uint32 low_mem_map = 0;
static bool dragging_region = false;
static uint32 drag_region_ptr = 0;
static void MyPatchTrap(int trap, uint32 ptr) {
M68kRegisters r;
r.d[0] = trap;
Execute68kTrap(0xa746, &r); // GetToolTrapAddress()
WriteMacInt32(ptr + 4, r.a[0]);
r.d[0] = trap;
r.a[0] = ptr;
Execute68kTrap(0xa647, &r); // SetToolTrap()
}
int16 InstallRootlessProc() {
// Rootless mode support
@ -73,6 +98,10 @@ int16 InstallRootlessProc() {
Host2Mac_memcpy(rootless_proc_ptr, rootless_proc, sizeof(rootless_proc));
low_mem_map = 0;
printf("Installed at 0x%x\n", rootless_proc_ptr);
// Install patches to detect dragging regions
MyPatchTrap(0xa8d3, rootless_proc_ptr + PAINTRGNPATCH);
MyPatchTrap(0xa905, rootless_proc_ptr + DRAGGRAYRGNPATCH);
} else {
rootless_proc_ptr = 0;
low_mem_map = 0;
@ -423,6 +452,16 @@ void update_display_mask(SDL_Window *window, int w, int h) {
// Menu Bar
mask_rects.push_back(MaskMenuBar());
// Drag region
int8 mouseState = ReadMacInt8(0x0172);
if (dragging_region && mouseState) {
dragging_region = false;
drag_region_ptr = 0;
} else if (dragging_region && !mouseState && drag_region_ptr) {
MaskRegion(drag_region_ptr, true);
mask_rects.push_back(GetRegionBounds(drag_region_ptr));
}
// Copy over cursor mask
memcpy(display_mask.cursorMask, display_mask.pixels, display_mask.w * display_mask.h);
@ -467,3 +506,13 @@ void apply_display_mask(SDL_Surface * host_surface, SDL_Rect update_rect) {
srcMask += display_mask.w;
}
}
void check_drag_region(M68kRegisters *r, uint16 opcode) {
if (opcode == M68K_EMUL_OP_DRAGGRAYRGN) {
dragging_region = true;
drag_region_ptr = 0;
} else if (opcode == M68K_EMUL_OP_PAINTRGN && dragging_region) {
uint32 regionHandle = ReadMacInt32(r->a[7]+4);
drag_region_ptr = ReadMacInt32(regionHandle);
}
}

10
BasiliskII/src/emul_op.cpp
View File

@ -580,6 +580,16 @@ void EmulOp(uint16 opcode, M68kRegisters *r)
#endif
break;
}
#ifdef VIDEO_ROOTLESS
case M68K_EMUL_OP_PAINTRGN:
case M68K_EMUL_OP_DRAGGRAYRGN: {
// Patched traps for tracking dragged outlines
extern void check_drag_region(M68kRegisters *r, uint16 opcode);
check_drag_region(r, opcode);
break;
}
#endif
default:
printf("FATAL: EMUL_OP called with bogus opcode %08x\n", opcode);

4
BasiliskII/src/include/emul_op.h
View File

@ -90,7 +90,9 @@ enum {
M68K_EMUL_OP_SOUNDIN_CLOSE,
M68K_EMUL_OP_DEBUGUTIL,
M68K_EMUL_OP_IDLE_TIME,
M68K_EMUL_OP_SUSPEND,
M68K_EMUL_OP_SUSPEND, // 0x7138
M68K_EMUL_OP_PAINTRGN,
M68K_EMUL_OP_DRAGGRAYRGN,
M68K_EMUL_OP_MAX // highest number
};