// Copyright (C) 2001 MandrakeSoft S.A. // // MandrakeSoft S.A. // 43, rue d'Aboukir // 75002 Paris - France // http://www.linux-mandrake.com/ // http://www.mandrakesoft.com/ // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either // version 2 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // Much of this file was written by: // David Ross // dross@pobox.com #include "bochs.h" #include "icon_bochs.h" #include "font/vga.bitmap.h" #include #include #define LOG_THIS bx_gui. #ifdef __MINGW32__ #if BX_SHOW_IPS #include #endif #endif #define EXIT_GUI_SHUTDOWN 1 #define EXIT_GMH_FAILURE 2 #define EXIT_FONT_BITMAP_ERROR 3 #define EXIT_NORMAL 4 #define EXIT_HEADER_BITMAP_ERROR 5 // Keyboard/mouse stuff #define SCANCODE_BUFSIZE 20 #define MOUSE_PRESSED 0x20000000 #define HEADERBAR_CLICKED 0x08000000 #define MOUSE_MOTION 0x22000000 void enq_key_event(Bit32u, Bit32u); void enq_mouse_event(void); struct QueueEvent { Bit32u key_event; int mouse_x; int mouse_y; int mouse_button_state; }; QueueEvent* deq_key_event(void); static QueueEvent keyevents[SCANCODE_BUFSIZE]; static unsigned head=0, tail=0; static unsigned mouse_button_state = 0; static int ms_xdelta=0, ms_ydelta=0; static int ms_lastx=0, ms_lasty=0; static int ms_savedx=0, ms_savedy=0; static BOOL mouseCaptureMode = TRUE; static unsigned long workerThread = NULL; static DWORD workerThreadID = 0; // Graphics screen stuff static unsigned x_tilesize = 0, y_tilesize = 0; static BITMAPINFO* bitmap_info=(BITMAPINFO*)0; static RGBQUAD* cmap_index; // indeces into system colormap static HBITMAP MemoryBitmap = NULL; static HDC MemoryDC = NULL; static RECT updated_area; static BOOL updated_area_valid = FALSE; static Bit32u *VideoBits; // Headerbar stuff unsigned bx_bitmap_entries = 0; struct { HBITMAP bmap; unsigned xdim; unsigned ydim; } bx_bitmaps[BX_MAX_PIXMAPS]; static struct { HBITMAP bitmap; unsigned xdim; unsigned ydim; unsigned xorigin; unsigned yorigin; unsigned alignment; void (*f)(void); } bx_headerbar_entry[BX_MAX_HEADERBAR_ENTRIES]; static unsigned bx_headerbar_y = 0; static unsigned bx_headerbar_entries = 0; static unsigned bx_bitmap_left_xorigin = 0; // pixels from left static unsigned bx_bitmap_right_xorigin = 0; // pixels from right static BOOL headerbar_changed = FALSE; // Misc stuff static unsigned dimension_x, dimension_y; static unsigned stretched_x, stretched_y; static unsigned stretch_factor=1; static unsigned prev_block_cursor_x = 0; static unsigned prev_block_cursor_y = 0; static HBITMAP vgafont[256]; static unsigned x_edge=0, y_edge=0, y_caption=0; static char szAppName[] = "Bochs for Windows"; static char szWindowName[] = "Bochs for Windows - Display"; typedef struct { HINSTANCE hInstance; CRITICAL_SECTION drawCS; CRITICAL_SECTION keyCS; CRITICAL_SECTION mouseCS; int kill; // reason for terminateEmul(int) BOOL UIinited; HWND hwnd; } sharedThreadInfo; sharedThreadInfo stInfo; LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM); VOID UIThread(PVOID); void terminateEmul(int); void create_vga_font(void); static unsigned char reverse_bitorder(unsigned char); void DrawBitmap (HDC, HBITMAP, int, int, DWORD, unsigned char cColor); void updateUpdated(int,int,int,int); static void headerbar_click(int x); /* Macro to convert WM_ button state to BX button state */ #ifdef __MINGW32__ VOID CALLBACK MyTimer(HWND,UINT,UINT,DWORD); void alarm(int); void bx_signal_handler(int); #endif static void processMouseXY( int x, int y, int windows_state, int implied_state_change) { int bx_state; int old_bx_state; EnterCriticalSection( &stInfo.mouseCS); bx_state=( ( windows_state & MK_LBUTTON) ? 1 : 0 ) + ( ( windows_state & MK_RBUTTON) ? 2 : 0); old_bx_state=bx_state ^ implied_state_change; if ( old_bx_state!=mouse_button_state) { /* Make up for missing message */ BX_INFO(( "&&&missing mouse state change")); EnterCriticalSection( &stInfo.keyCS); enq_mouse_event(); mouse_button_state=old_bx_state; enq_key_event( mouse_button_state, MOUSE_PRESSED); LeaveCriticalSection( &stInfo.keyCS); } ms_ydelta=ms_savedy-y; ms_xdelta=x-ms_savedx; ms_lastx=x; ms_lasty=y; if ( bx_state!=mouse_button_state) { EnterCriticalSection( &stInfo.keyCS); enq_mouse_event(); mouse_button_state=bx_state; enq_key_event( mouse_button_state, MOUSE_PRESSED); LeaveCriticalSection( &stInfo.keyCS); } LeaveCriticalSection( &stInfo.mouseCS); } static void resetDelta() { EnterCriticalSection( &stInfo.mouseCS); ms_savedx=ms_lastx; ms_savedy=ms_lasty; ms_ydelta=ms_xdelta=0; LeaveCriticalSection( &stInfo.mouseCS); } static void cursorWarped() { EnterCriticalSection( &stInfo.mouseCS); EnterCriticalSection( &stInfo.keyCS); enq_mouse_event(); LeaveCriticalSection( &stInfo.keyCS); ms_lastx=stretched_x/2; ms_lasty=stretched_y/2; ms_savedx=ms_lastx; ms_savedy=ms_lasty; LeaveCriticalSection( &stInfo.mouseCS); } // GUI thread must be dead/done in order to call terminateEmul void terminateEmul(int reason) { // We know that Critical Sections were inited when x_tilesize has been set // See bx_gui_c::specific_init if (x_tilesize != 0) { DeleteCriticalSection (&stInfo.drawCS); DeleteCriticalSection (&stInfo.keyCS); DeleteCriticalSection (&stInfo.mouseCS); } if (MemoryDC) DeleteDC (MemoryDC); if (MemoryBitmap) DeleteObject (MemoryBitmap); if ( bitmap_info) delete[] (char*)bitmap_info; for (unsigned c=0; c<256; c++) if (vgafont[c]) DeleteObject(vgafont[c]); switch (reason) { case EXIT_GUI_SHUTDOWN: BX_PANIC(("Window closed, exiting!")); break; case EXIT_GMH_FAILURE: BX_PANIC(("GetModuleHandle failure!")); break; case EXIT_FONT_BITMAP_ERROR: BX_PANIC(("Font bitmap creation failure!")); break; case EXIT_HEADER_BITMAP_ERROR: BX_PANIC(("Header bitmap creation failure!")); break; case EXIT_NORMAL: break; } } // ::SPECIFIC_INIT() // // Called from gui.cc, once upon program startup, to allow for the // specific GUI code (X11, BeOS, ...) to be initialized. // // th: a 'this' pointer to the gui class. If a function external to the // class needs access, store this pointer and use later. // argc, argv: not used right now, but the intention is to pass native GUI // specific options from the command line. (X11 options, BeOS options,...) // // tilewidth, tileheight: for optimization, graphics_tile_update() passes // only updated regions of the screen to the gui code to be redrawn. // These define the dimensions of a region (tile). // headerbar_y: A headerbar (toolbar) is display on the top of the // VGA window, showing floppy status, and other information. It // always assumes the width of the current VGA mode width, but // it's height is defined by this parameter. void bx_gui_c::specific_init(bx_gui_c *th, int argc, char **argv, unsigned tilewidth, unsigned tileheight, unsigned headerbar_y) { th->setprefix("[WGUI]"); static RGBQUAD black_quad={ 0, 0, 0, 0}; stInfo.kill = 0; stInfo.UIinited = FALSE; InitializeCriticalSection(&stInfo.drawCS); InitializeCriticalSection(&stInfo.keyCS); InitializeCriticalSection(&stInfo.mouseCS); x_tilesize = tilewidth; y_tilesize = tileheight; stInfo.hInstance = GetModuleHandle(NULL); bx_headerbar_y = headerbar_y; dimension_x = 640; dimension_y = 480 + bx_headerbar_y; stretched_x = dimension_x; stretched_y = dimension_y; stretch_factor = 1; for(unsigned c=0; c<256; c++) vgafont[c] = NULL; create_vga_font(); bitmap_info=(BITMAPINFO*)new char[sizeof(BITMAPINFOHEADER)+ 256*sizeof(RGBQUAD)]; bitmap_info->bmiHeader.biSize=sizeof(BITMAPINFOHEADER); bitmap_info->bmiHeader.biWidth=x_tilesize; // Height is negative for top-down bitmap bitmap_info->bmiHeader.biHeight= -y_tilesize; bitmap_info->bmiHeader.biPlanes=1; bitmap_info->bmiHeader.biBitCount=8; bitmap_info->bmiHeader.biCompression=BI_RGB; bitmap_info->bmiHeader.biSizeImage=x_tilesize*y_tilesize; // I think these next two figures don't matter; saying 45 pixels/centimeter bitmap_info->bmiHeader.biXPelsPerMeter=4500; bitmap_info->bmiHeader.biYPelsPerMeter=4500; bitmap_info->bmiHeader.biClrUsed=256; bitmap_info->bmiHeader.biClrImportant=0; cmap_index=bitmap_info->bmiColors; // start out with all color map indeces pointing to Black cmap_index[0] = black_quad; for (unsigned i=1; i<256; i++) { cmap_index[i] = cmap_index[0]; } x_edge = GetSystemMetrics(SM_CXFIXEDFRAME); y_edge = GetSystemMetrics(SM_CYFIXEDFRAME); y_caption = GetSystemMetrics(SM_CYCAPTION); if (stInfo.hInstance) workerThread = _beginthread (UIThread, 0, NULL); else terminateEmul(EXIT_GMH_FAILURE); // Wait for a window before continuing if ((stInfo.kill == 0) && (FindWindow(szAppName, NULL) == NULL)) Sleep(500); // Now set this thread's priority to below normal because this is where // the emulated CPU runs, and it hogs the real CPU SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_BELOW_NORMAL); if (bx_options.private_colormap) BX_INFO(( "private_colormap option ignored.")); } // This thread controls the GUI window. VOID UIThread(PVOID pvoid) { MSG msg; HDC hdc; WNDCLASSEX wndclass; RECT wndRect; workerThreadID = GetCurrentThreadId(); wndclass.cbSize = sizeof (wndclass); wndclass.style = CS_HREDRAW | CS_VREDRAW; wndclass.lpfnWndProc = WndProc; wndclass.cbClsExtra = 0; wndclass.cbWndExtra = 0; wndclass.hInstance = stInfo.hInstance; wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION); wndclass.hCursor = LoadCursor (NULL, IDC_ARROW); wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH); wndclass.lpszMenuName = NULL; wndclass.lpszClassName = szAppName; wndclass.hIconSm = LoadIcon (NULL, IDI_APPLICATION); RegisterClassEx (&wndclass); stInfo.hwnd = CreateWindow (szAppName, szWindowName, WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX, CW_USEDEFAULT, CW_USEDEFAULT, stretched_x + x_edge * 2, stretched_y + y_edge * 2 + y_caption, NULL, NULL, stInfo.hInstance, NULL); if (stInfo.hwnd) { ShowWindow (stInfo.hwnd, SW_SHOW); UpdateWindow (stInfo.hwnd); ShowCursor(FALSE); GetWindowRect(stInfo.hwnd, &wndRect); SetCursorPos(wndRect.left + stretched_x/2 + x_edge, wndRect.top + stretched_y/2 + y_edge + y_caption); cursorWarped(); hdc = GetDC(stInfo.hwnd); MemoryBitmap = CreateCompatibleBitmap(hdc, dimension_x, dimension_y); MemoryDC = CreateCompatibleDC(hdc); ReleaseDC(stInfo.hwnd, hdc); if (MemoryBitmap && MemoryDC) { stInfo.UIinited = TRUE; while (GetMessage (&msg, NULL, 0, 0)) { TranslateMessage (&msg); DispatchMessage (&msg); } } } stInfo.kill = EXIT_GUI_SHUTDOWN; _endthread(); } LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam) { HDC hdc, hdcMem; PAINTSTRUCT ps; RECT wndRect; POINT ptCursorPos; switch (iMsg) { case WM_CREATE: SetWindowText(hwnd, "Bochs for Windows - Display [Press F12 to release mouse capture]"); SetTimer (hwnd, 1, 330, NULL); return 0; case WM_TIMER: // If mouse escaped, bring it back if ( mouseCaptureMode) { GetCursorPos( &ptCursorPos); GetWindowRect(hwnd, &wndRect); if ( ptCursorPos.xwndRect.right || ptCursorPos.y<( wndRect.top+BX_HEADER_BAR_Y*stretch_factor) || ptCursorPos.y>wndRect.bottom) { SetCursorPos(wndRect.left + stretched_x/2 + x_edge, wndRect.top + stretched_y/2 + y_edge + y_caption); cursorWarped(); } } return 0; case WM_PAINT: EnterCriticalSection(&stInfo.drawCS); hdc = BeginPaint (hwnd, &ps); hdcMem = CreateCompatibleDC (hdc); SelectObject (hdcMem, MemoryBitmap); StretchBlt(hdc, ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right - ps.rcPaint.left + 1, ps.rcPaint.bottom - ps.rcPaint.top + 1, hdcMem, ps.rcPaint.left/stretch_factor, ps.rcPaint.top/stretch_factor, (ps.rcPaint.right - ps.rcPaint.left+1)/stretch_factor, (ps.rcPaint.bottom - ps.rcPaint.top+1)/stretch_factor,SRCCOPY); DeleteDC (hdcMem); EndPaint (hwnd, &ps); LeaveCriticalSection(&stInfo.drawCS); return 0; case WM_MOUSEMOVE: processMouseXY( LOWORD(lParam), HIWORD(lParam), wParam, 0); return 0; case WM_LBUTTONDOWN: case WM_LBUTTONDBLCLK: if (HIWORD(lParam) < BX_HEADER_BAR_Y * stretch_factor) { EnterCriticalSection(&stInfo.keyCS); enq_key_event(LOWORD(lParam)/stretch_factor, HEADERBAR_CLICKED); LeaveCriticalSection(&stInfo.keyCS); } processMouseXY( LOWORD(lParam), HIWORD(lParam), wParam, 1); return 0; case WM_LBUTTONUP: processMouseXY( LOWORD(lParam), HIWORD(lParam), wParam, 1); return 0; case WM_RBUTTONDOWN: case WM_RBUTTONDBLCLK: case WM_RBUTTONUP: processMouseXY( LOWORD(lParam), HIWORD(lParam), wParam, 2); case WM_CLOSE: return DefWindowProc (hwnd, iMsg, wParam, lParam); case WM_DESTROY: KillTimer (hwnd, 1); stInfo.UIinited = FALSE; PostQuitMessage (0); return 0; case WM_KEYDOWN: case WM_SYSKEYDOWN: if (wParam == VK_F12) { mouseCaptureMode = !mouseCaptureMode; ShowCursor(!mouseCaptureMode); GetWindowRect(hwnd, &wndRect); SetCursorPos(wndRect.left + stretched_x/2 + x_edge, wndRect.top + stretched_y/2 + y_edge + y_caption); cursorWarped(); if (mouseCaptureMode) SetWindowText(hwnd, "Bochs for Windows - Display [Press F12 to release mouse capture]"); else SetWindowText(hwnd, "Bochs for Windows - Display"); } else { EnterCriticalSection(&stInfo.keyCS); enq_key_event(HIWORD (lParam) & 0xFF, BX_KEY_PRESSED); LeaveCriticalSection(&stInfo.keyCS); } return 0; case WM_KEYUP: case WM_SYSKEYUP: EnterCriticalSection(&stInfo.keyCS); enq_key_event(HIWORD (lParam) & 0xFF, BX_KEY_RELEASED); LeaveCriticalSection(&stInfo.keyCS); return 0; case WM_CHAR: case WM_DEADCHAR: case WM_SYSCHAR: case WM_SYSDEADCHAR: return 0; } return DefWindowProc (hwnd, iMsg, wParam, lParam); } void enq_key_event(Bit32u key, Bit32u press_release) { if (((tail+1) % SCANCODE_BUFSIZE) == head) { BX_ERROR(( "enq_scancode: buffer full")); return; } keyevents[tail].key_event = key | press_release; tail = (tail + 1) % SCANCODE_BUFSIZE; } void enq_mouse_event(void) { EnterCriticalSection( &stInfo.mouseCS); if ( ms_xdelta || ms_ydelta) { if (((tail+1) % SCANCODE_BUFSIZE) == head) { BX_ERROR(( "enq_scancode: buffer full" )); return; } QueueEvent& current=keyevents[tail]; current.key_event=MOUSE_MOTION; current.mouse_x=ms_xdelta; current.mouse_y=ms_ydelta; current.mouse_button_state=mouse_button_state; resetDelta(); tail = (tail + 1) % SCANCODE_BUFSIZE; } LeaveCriticalSection( &stInfo.mouseCS); } QueueEvent* deq_key_event(void) { QueueEvent* key; if ( head == tail ) { BX_ERROR(("deq_scancode: buffer empty")); return((QueueEvent*)0); } key = &keyevents[head]; head = (head + 1) % SCANCODE_BUFSIZE; return(key); } // ::HANDLE_EVENTS() // // Called periodically (vga_update_interval in .bochsrc) so the // the gui code can poll for keyboard, mouse, and other // relevant events. void bx_gui_c::handle_events(void) { Bit32u key; unsigned char scancode; // printf("# Hey!!!\n"); if (stInfo.kill) terminateEmul(stInfo.kill); // Handle mouse moves enq_mouse_event(); // Handle keyboard and mouse clicks EnterCriticalSection(&stInfo.keyCS); while (head != tail) { QueueEvent* queue_event=deq_key_event(); if ( ! queue_event) break; // Bypass bx_devices.keyboard->gen_scancode so we may enter // a scancode directly // bx_devices.keyboard->gen_scancode(deq_key_event()); key = queue_event->key_event; if ( key==MOUSE_MOTION) { bx_devices.keyboard->mouse_motion( queue_event->mouse_x, queue_event->mouse_y, queue_event->mouse_button_state); } // Check for mouse buttons first else if ( key & MOUSE_PRESSED) { // printf("# click!\n"); bx_devices.keyboard->mouse_motion( 0, 0, LOWORD(key)); } else if (key & HEADERBAR_CLICKED) { headerbar_click(LOWORD(key)); } else { // Its a key scancode = LOBYTE(LOWORD(key)); // printf("# key = %d, scancode = %d\n",key,scancode); if (key & BX_KEY_RELEASED) scancode |= 0x80; bx_devices.keyboard->put_scancode(&scancode, 1); } } LeaveCriticalSection(&stInfo.keyCS); } // ::FLUSH() // // Called periodically, requesting that the gui code flush all pending // screen update requests. void bx_gui_c::flush(void) { EnterCriticalSection( &stInfo.drawCS); if (updated_area_valid) { // slight bugfix updated_area.right++; updated_area.bottom++; InvalidateRect( stInfo.hwnd, &updated_area, FALSE); updated_area_valid = FALSE; } LeaveCriticalSection( &stInfo.drawCS); } // ::CLEAR_SCREEN() // // Called to request that the VGA region is cleared. Don't // clear the area that defines the headerbar. void bx_gui_c::clear_screen(void) { HGDIOBJ oldObj; if (!stInfo.UIinited) return; EnterCriticalSection(&stInfo.drawCS); oldObj = SelectObject(MemoryDC, MemoryBitmap); PatBlt(MemoryDC, 0, bx_headerbar_y, stretched_x, stretched_y - bx_headerbar_y, BLACKNESS); SelectObject(MemoryDC, oldObj); updateUpdated(0, bx_headerbar_y, dimension_x-1, dimension_y-1); LeaveCriticalSection(&stInfo.drawCS); } // ::TEXT_UPDATE() // // Called in a VGA text mode, to update the screen with // new content. // // old_text: array of character/attributes making up the contents // of the screen from the last call. See below // new_text: array of character/attributes making up the current // contents, which should now be displayed. See below // // format of old_text & new_text: each is 80*nrows*2 bytes long. // This represents 80 characters wide by 'nrows' high, with // each character being 2 bytes. The first by is the // character value, the second is the attribute byte. // I currently don't handle the attribute byte. // // cursor_x: new x location of cursor // cursor_y: new y location of cursor void bx_gui_c::text_update(Bit8u *old_text, Bit8u *new_text, unsigned long cursor_x, unsigned long cursor_y, unsigned nrows) { HDC hdc; unsigned char cChar; unsigned i, x, y; unsigned nchars; if (!stInfo.UIinited) return; EnterCriticalSection(&stInfo.drawCS); hdc = GetDC(stInfo.hwnd); // Number of characters on screen, variable number of rows nchars = 80*nrows; if ( (prev_block_cursor_y*80 + prev_block_cursor_x) < nchars) { cChar = new_text[(prev_block_cursor_y*80 + prev_block_cursor_x)*2]; DrawBitmap(hdc, vgafont[cChar], prev_block_cursor_x*8, prev_block_cursor_y*16 + bx_headerbar_y, SRCCOPY, new_text[((prev_block_cursor_y*80 + prev_block_cursor_x)*2)+1]); } for (i=0; i>4)&0xf)+((cAttr&0xf)<<4); DrawBitmap(hdc, vgafont[cChar], cursor_x*8, cursor_y*16 + bx_headerbar_y, SRCCOPY, cAttr); } ReleaseDC(stInfo.hwnd, hdc); LeaveCriticalSection(&stInfo.drawCS); } // ::PALETTE_CHANGE() // // Allocate a color in the native GUI, for this color, and put // it in the colormap location 'index'. // returns: 0=no screen update needed (color map change has direct effect) // 1=screen updated needed (redraw using current colormap) Boolean bx_gui_c::palette_change(unsigned index, unsigned red, unsigned green, unsigned blue) { cmap_index[index].rgbRed = red; cmap_index[index].rgbBlue = blue; cmap_index[index].rgbGreen = green; return(1); } // ::GRAPHICS_TILE_UPDATE() // // Called to request that a tile of graphics be drawn to the // screen, since info in this region has changed. // // tile: array of 8bit values representing a block of pixels with // dimension equal to the 'tilewidth' & 'tileheight' parameters to // ::specific_init(). Each value specifies an index into the // array of colors you allocated for ::palette_change() // x0: x origin of tile // y0: y origin of tile // // note: origin of tile and of window based on (0,0) being in the upper // left of the window. void bx_gui_c::graphics_tile_update(Bit8u *tile, unsigned x0, unsigned y0) { HDC hdc; HGDIOBJ oldObj; unsigned true_y0; true_y0 = y0 + bx_headerbar_y; EnterCriticalSection(&stInfo.drawCS); hdc = GetDC(stInfo.hwnd); oldObj = SelectObject(MemoryDC, MemoryBitmap); StretchDIBits( MemoryDC, x0, true_y0, x_tilesize, y_tilesize, 0, 0, x_tilesize, y_tilesize, tile, bitmap_info, DIB_RGB_COLORS, SRCCOPY); SelectObject(MemoryDC, oldObj); updateUpdated(x0, true_y0, x0 + x_tilesize - 1, true_y0 + y_tilesize - 1); ReleaseDC(stInfo.hwnd, hdc); LeaveCriticalSection(&stInfo.drawCS); } // ::DIMENSION_UPDATE() // // Called when the VGA mode changes it's X,Y dimensions. // Resize the window to this size, but you need to add on // the height of the headerbar to the Y value. // // x: new VGA x size // y: new VGA y size (add headerbar_y parameter from ::specific_init(). void bx_gui_c::dimension_update(unsigned x, unsigned y) { if ( x==dimension_x && y+bx_headerbar_y==dimension_y) return; dimension_x = x; dimension_y = y + bx_headerbar_y; stretched_x = dimension_x; stretched_y = dimension_y; stretch_factor = 1; while ( stretched_x<400) { stretched_x *= 2; stretched_y *= 2; stretch_factor *= 2; } SetWindowPos(stInfo.hwnd, HWND_TOP, 0, 0, stretched_x + x_edge * 2, stretched_y+ y_edge * 2 + y_caption, SWP_NOMOVE | SWP_NOZORDER); headerbar_changed = TRUE; show_headerbar(); } // ::CREATE_BITMAP() // // Create a monochrome bitmap of size 'xdim' by 'ydim', which will // be drawn in the headerbar. Return an integer ID to the bitmap, // with which the bitmap can be referenced later. // // bmap: packed 8 pixels-per-byte bitmap. The pixel order is: // bit0 is the left most pixel, bit7 is the right most pixel. // xdim: x dimension of bitmap // ydim: y dimension of bitmap unsigned bx_gui_c::create_bitmap(const unsigned char *bmap, unsigned xdim, unsigned ydim) { unsigned char *data; if (bx_bitmap_entries >= BX_MAX_PIXMAPS) terminateEmul(EXIT_HEADER_BITMAP_ERROR); bx_bitmaps[bx_bitmap_entries].bmap = CreateBitmap(xdim,ydim,1,1,NULL); if (!bx_bitmaps[bx_bitmap_entries].bmap) terminateEmul(EXIT_HEADER_BITMAP_ERROR); data = new unsigned char[ydim * xdim/8]; for (unsigned i=0; i BX_MAX_HEADERBAR_ENTRIES ) terminateEmul(EXIT_HEADER_BITMAP_ERROR); bx_headerbar_entries++; hb_index = bx_headerbar_entries - 1; bx_headerbar_entry[hb_index].bitmap = bx_bitmaps[bmap_id].bmap; bx_headerbar_entry[hb_index].xdim = bx_bitmaps[bmap_id].xdim; bx_headerbar_entry[hb_index].ydim = bx_bitmaps[bmap_id].ydim; bx_headerbar_entry[hb_index].alignment = alignment; bx_headerbar_entry[hb_index].f = f; if (alignment == BX_GRAVITY_LEFT) { bx_headerbar_entry[hb_index].xorigin = bx_bitmap_left_xorigin; bx_headerbar_entry[hb_index].yorigin = 0; bx_bitmap_left_xorigin += bx_bitmaps[bmap_id].xdim; } else { // BX_GRAVITY_RIGHT bx_bitmap_right_xorigin += bx_bitmaps[bmap_id].xdim; bx_headerbar_entry[hb_index].xorigin = bx_bitmap_right_xorigin; bx_headerbar_entry[hb_index].yorigin = 0; } headerbar_changed = TRUE; return(hb_index); } // ::SHOW_HEADERBAR() // // Show (redraw) the current headerbar, which is composed of // currently installed bitmaps. void bx_gui_c::show_headerbar(void) { unsigned xorigin; HGDIOBJ oldObj; if (!headerbar_changed || !stInfo.UIinited) return; EnterCriticalSection(&stInfo.drawCS); oldObj = SelectObject(MemoryDC, MemoryBitmap); PatBlt (MemoryDC, 0, 0, dimension_x, bx_headerbar_y, BLACKNESS); for (unsigned i=0; i>= 1; } return(ret); } void DrawBitmap (HDC hdc, HBITMAP hBitmap, int xStart, int yStart, DWORD dwRop, unsigned char cColor) { BITMAP bm; HDC hdcMem; POINT ptSize, ptOrg; HGDIOBJ oldObj; hdcMem = CreateCompatibleDC (hdc); SelectObject (hdcMem, hBitmap); SetMapMode (hdcMem, GetMapMode (hdc)); GetObject (hBitmap, sizeof (BITMAP), (LPVOID) &bm); ptSize.x = bm.bmWidth; ptSize.y = bm.bmHeight; DPtoLP (hdc, &ptSize, 1); ptOrg.x = 0; ptOrg.y = 0; DPtoLP (hdcMem, &ptOrg, 1); // BitBlt (hdc, xStart, yStart, ptSize.x, ptSize.y, hdcMem, ptOrg.x, // ptOrg.y, dwRop); oldObj = SelectObject(MemoryDC, MemoryBitmap); // BitBlt(MemoryDC, xStart, yStart, ptSize.x, ptSize.y, hdcMem, ptOrg.x, // ptOrg.y, dwRop); //Colors taken from Ralf Browns interrupt list. //(0=black, 1=blue, 2=red, 3=purple, 4=green, 5=cyan, 6=yellow, 7=white) //The highest background bit usually means blinking characters. No idea //how to implement that so for now it's just implemented as color. //Note: it is also possible to program the VGA controller to have the //high bit for the foreground color enable blinking characters. const COLORREF crPal[16] = { RGB(0 ,0 ,0 ), //0 black RGB(0 ,0 ,0x80 ), //1 dark blue RGB(0 ,0x80 ,0 ), //2 dark green RGB(0 ,0x80 ,0x80 ), //3 dark cyan RGB(0x80 ,0 ,0 ), //4 dark red RGB(0x80 ,0 ,0x80 ), //5 dark magenta RGB(0x80 ,0x80 ,0 ), //6 brown RGB(0xC0 ,0xC0 ,0xC0 ), //7 light gray RGB(0x80 ,0x80 ,0x80 ), //8 dark gray RGB(0 ,0 ,0xFF ), //9 light blue RGB(0 ,0xFF ,0 ), //10 green RGB(0 ,0xFF ,0xFF ), //11 cyan RGB(0xFF ,0 ,0 ), //12 light red RGB(0xFF ,0 ,0xFF ), //13 magenta RGB(0xFF ,0xFF ,0 ), //14 yellow RGB(0xFF ,0xFF ,0xFF )}; //15 white COLORREF crFore = SetTextColor(MemoryDC, crPal[(cColor>>4)&0xf]); COLORREF crBack = SetBkColor(MemoryDC, crPal[cColor&0xf]); BitBlt (MemoryDC, xStart, yStart, ptSize.x, ptSize.y, hdcMem, ptOrg.x, ptOrg.y, dwRop); SetBkColor(MemoryDC, crBack); SetTextColor(MemoryDC, crFore); SelectObject(MemoryDC, oldObj); updateUpdated(xStart, yStart, ptSize.x + xStart - 1, ptSize.y + yStart - 1); DeleteDC (hdcMem); } void updateUpdated(int x1, int y1, int x2, int y2) { x1*=stretch_factor; y1*=stretch_factor; x2*=stretch_factor; y2*=stretch_factor; if (!updated_area_valid) { updated_area.left = x1 ; updated_area.top = y1 ; updated_area.right = x2 ; updated_area.bottom = y2 ; } else { if (x1 < updated_area.left) updated_area.left = x1 ; if (y1 < updated_area.top) updated_area.top = y1 ; if (x2 > updated_area.right) updated_area.right = x2 ; if (y2 > updated_area.bottom) updated_area.bottom = y2; } updated_area_valid = TRUE; } void headerbar_click(int x) { int xorigin; for (unsigned i=0; i=xorigin) && (x<(xorigin+int(bx_headerbar_entry[i].xdim))) ) { bx_headerbar_entry[i].f(); return; } } } #ifdef __MINGW32__ #if BX_SHOW_IPS VOID CALLBACK MyTimer(HWND hwnd,UINT uMsg, UINT idEvent, DWORD dwTime) { bx_signal_handler(SIGALRM); } void alarm (int time) { UINT idTimer; SetTimer(stInfo.hwnd,idTimer,time*1000,MyTimer); } #endif #endif