diff options
Diffstat (limited to 'src/glut/fbdev')
-rw-r--r-- | src/glut/fbdev/callback.c | 3 | ||||
-rw-r--r-- | src/glut/fbdev/colormap.c | 6 | ||||
-rw-r--r-- | src/glut/fbdev/cursor.c | 22 | ||||
-rw-r--r-- | src/glut/fbdev/fbdev.c | 91 | ||||
-rw-r--r-- | src/glut/fbdev/input.c | 282 | ||||
-rw-r--r-- | src/glut/fbdev/internal.h | 5 | ||||
-rw-r--r-- | src/glut/fbdev/menu.c | 2 | ||||
-rw-r--r-- | src/glut/fbdev/overlay.c | 1 |
8 files changed, 248 insertions, 164 deletions
diff --git a/src/glut/fbdev/callback.c b/src/glut/fbdev/callback.c index 946c8d8..8c039f5 100644 --- a/src/glut/fbdev/callback.c +++ b/src/glut/fbdev/callback.c @@ -74,19 +74,16 @@ void glutKeyboardUpFunc(void (*func)(unsigned char key, int x, int y)) void glutMouseFunc(void (*func)(int button, int state, int x, int y)) { - MouseEnabled = 1; MouseFunc = func; } void glutMotionFunc(void (*func)(int x, int y)) { - MouseEnabled = 1; MotionFunc = func; } void glutPassiveMotionFunc(void (*func)(int x, int y)) { - MouseEnabled = 1; PassiveMotionFunc = func; } diff --git a/src/glut/fbdev/colormap.c b/src/glut/fbdev/colormap.c index 3a81f93..3e72a7b 100644 --- a/src/glut/fbdev/colormap.c +++ b/src/glut/fbdev/colormap.c @@ -92,12 +92,18 @@ static void FillReverseColorMap(void) void RestoreColorMap(void) { + if(FixedInfo.visual == FB_VISUAL_TRUECOLOR) + return; + if (ioctl(FrameBufferFD, FBIOPUTCMAP, (void *) &ColorMap) < 0) sprintf(exiterror, "ioctl(FBIOPUTCMAP) failed!\n"); } void LoadColorMap(void) { + if(FixedInfo.visual == FB_VISUAL_TRUECOLOR) + return; + ColorMap.start = 0; ColorMap.red = RedColorMap; ColorMap.green = GreenColorMap; diff --git a/src/glut/fbdev/cursor.c b/src/glut/fbdev/cursor.c index 6cd087e..4bb2b7f 100644 --- a/src/glut/fbdev/cursor.c +++ b/src/glut/fbdev/cursor.c @@ -66,6 +66,9 @@ void EraseCursor(void) unsigned char *src = MouseBuffer; + if(!MouseVisible || CurrentCursor < 0 || CurrentCursor >= NUM_CURSORS) + return; + for(i = 0; i<CURSOR_HEIGHT; i++) { memcpy(BackBuffer + off, src, stride); src += stride; @@ -110,7 +113,7 @@ void DrawCursor(void) unsigned char *c; const unsigned char *d; - if(CurrentCursor < 0 || CurrentCursor >= NUM_CURSORS) + if(!MouseVisible || CurrentCursor < 0 || CurrentCursor >= NUM_CURSORS) return; px = MouseX - CursorsXOffset[CurrentCursor]; @@ -212,10 +215,12 @@ void SwapCursor(void) int miny = MIN(py, LastMouseY); int sizey = abs(py - LastMouseY); - DrawCursor(); - /* now update the portion of the screen that has changed */ + if(MouseVisible) + DrawCursor(); - if(DisplayMode & GLUT_DOUBLE && (sizex || sizey)) { + /* now update the portion of the screen that has changed, this is also + used to hide the mouse if MouseVisible is 0 */ + if(DisplayMode & GLUT_DOUBLE && ((sizex || sizey) || !MouseVisible)) { int off, stride, i; if(minx < 0) minx = 0; @@ -230,7 +235,7 @@ void SwapCursor(void) + minx * VarInfo.bits_per_pixel / 8; stride = (sizex + CURSOR_WIDTH) * VarInfo.bits_per_pixel / 8; - for(i = 0; i< sizey + CURSOR_HEIGHT; i++) { + for(i = 0; i < sizey + CURSOR_HEIGHT; i++) { memcpy(FrameBuffer+off, BackBuffer+off, stride); off += FixedInfo.line_length; } @@ -260,11 +265,8 @@ void glutSetCursor(int cursor) if(cursor == GLUT_CURSOR_FULL_CROSSHAIR) cursor = GLUT_CURSOR_CROSSHAIR; - if(CurrentCursor >= 0 && CurrentCursor < NUM_CURSORS) - EraseCursor(); - + EraseCursor(); + MouseVisible = 1; CurrentCursor = cursor; - - MouseEnabled = 1; SwapCursor(); } diff --git a/src/glut/fbdev/fbdev.c b/src/glut/fbdev/fbdev.c index 7b46d54..3b63cd7 100644 --- a/src/glut/fbdev/fbdev.c +++ b/src/glut/fbdev/fbdev.c @@ -74,6 +74,7 @@ int Redisplay; int Visible; int VisibleSwitch; int Active; +static int Resized; /* we have to poll to see if we are visible on a framebuffer that is not active */ int VisiblePoll; @@ -127,8 +128,10 @@ static void Cleanup(void) fprintf(stderr, "ioctl(FBIOPUT_VSCREENINFO failed): %s\n", strerror(errno)); - munmap(FrameBuffer, FixedInfo.smem_len); + if(FrameBuffer) + munmap(FrameBuffer, FixedInfo.smem_len); close(FrameBufferFD); + } /* free allocated back buffer */ @@ -424,6 +427,8 @@ static void ProcessTimers(void) void glutMainLoop(void) { + int idleiters; + if(ReshapeFunc) ReshapeFunc(VarInfo.xres, VarInfo.yres); @@ -440,8 +445,6 @@ void glutMainLoop(void) else if(VisiblePoll) TestVisible(); - else - usleep(1); if(IdleFunc) IdleFunc(); @@ -452,17 +455,48 @@ void glutMainLoop(void) VisibilityFunc(Visible ? GLUT_VISIBLE : GLUT_NOT_VISIBLE); } + if(Resized) { + SetVideoMode(); + CreateBuffer(); + + if(!glFBDevMakeCurrent( Context, Buffer, Buffer )) { + sprintf(exiterror, "Failure to Make Current\n"); + exit(0); + } + + InitializeMenus(); + + if(ReshapeFunc) + ReshapeFunc(VarInfo.xres, VarInfo.yres); + + Redisplay = 1; + Resized = 0; + } + if(Visible && Redisplay) { Redisplay = 0; - if(MouseEnabled) - EraseCursor(); + EraseCursor(); DisplayFunc(); if(!(DisplayMode & GLUT_DOUBLE)) { if(ActiveMenu) DrawMenus(); - if(MouseEnabled) - DrawCursor(); + DrawCursor(); } + idleiters = 0; + } else { + /* we sleep if not receiving redisplays, and + the main loop is running faster than 2khz */ + + static int lasttime; + int time = glutGet(GLUT_ELAPSED_TIME); + if(time > lasttime) { + if(idleiters >= 2) + usleep(100); + + idleiters = 0; + lasttime = time; + } + idleiters++; } } } @@ -536,17 +570,16 @@ int ParseFBModes(int minw, int maxw, int minh, int maxh, int minf, int maxf) return 0; } -/* ---------- Window Management ----------*/ void SetVideoMode(void) { /* set new variable screen info */ if (ioctl(FrameBufferFD, FBIOPUT_VSCREENINFO, &VarInfo)) { - sprintf(exiterror, "ioctl(FBIOPUT_VSCREENINFO failed): %s\n", - strerror(errno)); + sprintf(exiterror, "FBIOPUT_VSCREENINFO failed: %s\n", strerror(errno)); + strcat(exiterror, "Perhaps the device does not support the selected mode\n"); exit(0); } - /* reload the screen info to update offsets */ + /* reload the screen info to update rgb bits */ if (ioctl(FrameBufferFD, FBIOGET_VSCREENINFO, &VarInfo)) { sprintf(exiterror, "error: ioctl(FBIOGET_VSCREENINFO) failed: %s\n", strerror(errno)); @@ -571,11 +604,10 @@ void SetVideoMode(void) } /* initialize colormap */ - if(FixedInfo.visual != FB_VISUAL_TRUECOLOR) - LoadColorMap(); + LoadColorMap(); } -void CreateBuffer() +void CreateBuffer(void) { int size = VarInfo.xres_virtual * VarInfo.yres_virtual * VarInfo.bits_per_pixel / 8; @@ -674,20 +706,6 @@ void CreateVisual(void) } } -static void ResizeVisual(void) -{ - if(!glFBDevMakeCurrent( Context, Buffer, Buffer )) { - sprintf(exiterror, "Failure to Make Current\n"); - exit(0); - } - - InitializeMenus(); - - if(ReshapeFunc) - ReshapeFunc(VarInfo.xres, VarInfo.yres); - Redisplay = 1; -} - static void SignalWinch(int arg) { /* we can't change bitdepth without destroying the visual */ @@ -709,10 +727,7 @@ static void SignalWinch(int arg) VarInfo.blue = blue; VarInfo.transp = transp; - SetVideoMode(); - CreateBuffer(); - - ResizeVisual(); + Resized = 1; } int glutCreateWindow (const char *title) @@ -805,12 +820,14 @@ void glutSwapBuffers(void) { glFlush(); + if(!(DisplayMode & GLUT_DOUBLE)) + return; + if(ActiveMenu) DrawMenus(); - if(MouseEnabled) - DrawCursor(); + DrawCursor(); - if(DisplayMode & GLUT_DOUBLE && Visible) { + if(Visible) { Swapping = 1; glFBDevSwapBuffers(Buffer); Swapping = 0; @@ -839,10 +856,8 @@ void glutReshapeWindow(int width, int height) signal(SIGWINCH, SIG_IGN); SetVideoMode(); - CreateBuffer(); - - ResizeVisual(); signal(SIGWINCH, SignalWinch); + Resized = 1; } void glutFullScreen(void) diff --git a/src/glut/fbdev/input.c b/src/glut/fbdev/input.c index d09de22..044aa50 100644 --- a/src/glut/fbdev/input.c +++ b/src/glut/fbdev/input.c @@ -65,8 +65,8 @@ double MouseSpeed = 0; int KeyRepeatMode = GLUT_KEY_REPEAT_DEFAULT; -/* only display the mouse if there is a registered callback for it */ -int MouseEnabled = 0; +int MouseVisible = 0; +int LastMouseTime = 0; static int OldKDMode = -1; static int OldMode = KD_TEXT; @@ -79,6 +79,8 @@ static int MouseFD; static int kbdpipe[2]; +static int LastStdinKeyTime, LastStdinSpecialKey = -1, LastStdinCode = -1; + #define MODIFIER(mod) \ KeyboardModifiers = release ? KeyboardModifiers & ~mod \ : KeyboardModifiers | mod; @@ -93,7 +95,6 @@ static void KeyboardHandler(int sig) unsigned char code; while(read(ConsoleFD, &code, 1) == 1) { - int release, labelval; struct kbentry entry; static int lalt; /* only left alt does vt switch */ @@ -163,10 +164,47 @@ static void LedModifier(int led, int release) KeyboardLedState ^= led; releaseflag &= ~led; } + ioctl(ConsoleFD, KDSKBLED, KeyboardLedState); ioctl(ConsoleFD, KDSETLED, 0x80); } +static void HandleKeyPress(unsigned char key, int up) +{ + if(up) { + if(KeyboardUpFunc) + KeyboardUpFunc(key, MouseX, MouseY); + } else + if(KeyboardFunc) + KeyboardFunc(key, MouseX, MouseY); + + /* there was no keyboard handler to provide a way to exit the program */ + if(key == 27) + exit(0); +} + +static void HandleSpecialPress(int key, int up) +{ + if(up) { + if(SpecialUpFunc) + SpecialUpFunc(key, MouseX, MouseY); + } else + if(SpecialFunc) + SpecialFunc(key, MouseX, MouseY); +} + +static void ReleaseStdinKey(void) +{ + if(LastStdinSpecialKey != -1) { + HandleSpecialPress(LastStdinSpecialKey, 1); + LastStdinSpecialKey = -1; + } + if(LastStdinCode != -1) { + HandleKeyPress(LastStdinCode, 1); + LastStdinCode = -1; + } +} + #define READKEY read(kbdpipe[0], &code, 1) static int ReadKey(void) { @@ -175,8 +213,14 @@ static int ReadKey(void) int specialkey = 0; struct kbentry entry; - if(READKEY != 1) + if(READKEY != 1) { + /* if we are reading from stdin, we detect key releases when the key + does not repeat after a given timeout */ + if(ConsoleFD == 0 && LastStdinKeyTime + 100 < glutGet(GLUT_ELAPSED_TIME)) + ReleaseStdinKey(); return 0; + } + if(code == 0) return 0; @@ -185,65 +229,82 @@ static int ReadKey(void) KeyboardModifiers = 0; altset: if(code == 27 && READKEY == 1) { - switch(code) { - case 79: /* function key */ - READKEY; - if(code == 50) { - READKEY; - shiftfunc: - KeyboardModifiers |= GLUT_ACTIVE_SHIFT; - specialkey = GLUT_KEY_F1 + code - 53; - READKEY; - } else { - READKEY; - specialkey = GLUT_KEY_F1 + code - 80; - } - break; - case 91: - READKEY; - switch(code) { - case 68: - specialkey = GLUT_KEY_LEFT; break; - case 65: - specialkey = GLUT_KEY_UP; break; - case 67: - specialkey = GLUT_KEY_RIGHT; break; - case 66: - specialkey = GLUT_KEY_DOWN; break; - case 53: - specialkey = GLUT_KEY_PAGE_UP; READKEY; break; - case 54: - specialkey = GLUT_KEY_PAGE_DOWN; READKEY; break; - case 49: - specialkey = GLUT_KEY_HOME; READKEY; break; - case 52: - specialkey = GLUT_KEY_END; READKEY; break; - case 50: - READKEY; - if(code != 126) - goto shiftfunc; - specialkey = GLUT_KEY_INSERT; - break; - case 51: - code = '\b'; - goto stdkey; - case 91: - READKEY; - specialkey = GLUT_KEY_F1 + code - 65; - break; - default: - return 0; - } - break; - default: + if(code != 91) { KeyboardModifiers |= GLUT_ACTIVE_ALT; goto altset; } + READKEY; + switch(code) { + case 68: + specialkey = GLUT_KEY_LEFT; break; + case 65: + specialkey = GLUT_KEY_UP; break; + case 67: + specialkey = GLUT_KEY_RIGHT; break; + case 66: + specialkey = GLUT_KEY_DOWN; break; + case 52: + specialkey = GLUT_KEY_END; READKEY; break; + case 53: + specialkey = GLUT_KEY_PAGE_UP; READKEY; break; + case 54: + specialkey = GLUT_KEY_PAGE_DOWN; READKEY; break; + case 49: + READKEY; + if(code == 126) + specialkey = GLUT_KEY_HOME; + else { + specialkey = GLUT_KEY_F1 + code - 50; + READKEY; + } + break; + case 50: + READKEY; + if(code == 126) + specialkey = GLUT_KEY_INSERT; + else { + if(code > '1') + code--; + if(code > '6') + code--; + if(code > '3') { + KeyboardModifiers |= GLUT_ACTIVE_SHIFT; + code -= 12; + } + specialkey = GLUT_KEY_F1 + code - 40; + READKEY; + } + break; + case 51: + READKEY; + if(code == 126) { + code = '\b'; + goto stdkey; + } + KeyboardModifiers |= GLUT_ACTIVE_SHIFT; + specialkey = GLUT_KEY_F1 + code - 45; + READKEY; + break; + case 91: + READKEY; + specialkey = GLUT_KEY_F1 + code - 65; + break; + default: + return 0; + } } if(specialkey) { - if(SpecialFunc) - SpecialFunc(specialkey, MouseX, MouseY); + LastStdinKeyTime = glutGet(GLUT_ELAPSED_TIME); + + if(LastStdinSpecialKey != specialkey) { + ReleaseStdinKey(); + HandleSpecialPress(specialkey, 0); + LastStdinSpecialKey = specialkey; + LastStdinKeyTime += 200; /* initial repeat */ + } else + if(KeyRepeatMode != GLUT_KEY_REPEAT_OFF) + HandleSpecialPress(specialkey, 0); } else { if(code >= 1 && code <= 26 && code != '\r') { KeyboardModifiers |= GLUT_ACTIVE_CTRL; @@ -255,8 +316,15 @@ static int ReadKey(void) KeyboardModifiers |= GLUT_ACTIVE_SHIFT; stdkey: - if(KeyboardFunc) - KeyboardFunc(code, MouseX, MouseY); + LastStdinKeyTime = glutGet(GLUT_ELAPSED_TIME); + if(LastStdinCode != code) { + ReleaseStdinKey(); + HandleKeyPress(code, 0); + LastStdinCode = code; + LastStdinKeyTime += 200; /* initial repeat */ + } else + if(KeyRepeatMode != GLUT_KEY_REPEAT_OFF) + HandleSpecialPress(code, 0); } return 1; } @@ -348,12 +416,7 @@ static int ReadKey(void) /* dispatch callback */ if(specialkey) { - if(release) { - if(SpecialUpFunc) - SpecialUpFunc(specialkey, MouseX, MouseY); - } else - if(SpecialFunc) - SpecialFunc(specialkey, MouseX, MouseY); + HandleSpecialPress(specialkey, release); } else { char c = labelval; @@ -364,12 +427,7 @@ static int ReadKey(void) if(c >= 'a' && c <= 'z') c += 'A' - 'a'; } - if(release) { - if(KeyboardUpFunc) - KeyboardUpFunc(c, MouseX, MouseY); - } else - if(KeyboardFunc) - KeyboardFunc(c, MouseX, MouseY); + HandleKeyPress(c, release); } return 1; } @@ -432,28 +490,22 @@ static int ReadMouse(void) dy = event.dy; } else #endif - { - char data[4]; - - if(MouseFD == -1) - return 0; + { + char data[4]; - if(fcntl(MouseFD, F_SETFL, O_NONBLOCK) == -1) { - close(MouseFD); - MouseFD = -1; - return 0; - } + if(MouseFD == -1) + return 0; - if(read(MouseFD, data, 4) != 4) - return 0; + if(read(MouseFD, data, 4) != 4) + return 0; - l = ((data[0] & 0x20) >> 3); - m = ((data[3] & 0x10) >> 3); - r = ((data[0] & 0x10) >> 4); + l = ((data[0] & 0x20) >> 3); + m = ((data[3] & 0x10) >> 3); + r = ((data[0] & 0x10) >> 4); - dx = (((data[0] & 0x03) << 6) | (data[1] & 0x3F)); - dy = (((data[0] & 0x0C) << 4) | (data[2] & 0x3F)); - } + dx = (((data[0] & 0x03) << 6) | (data[1] & 0x3F)); + dy = (((data[0] & 0x0C) << 4) | (data[2] & 0x3F)); + } MouseX += dx * MouseSpeed; if(MouseX < 0) @@ -478,7 +530,7 @@ static int ReadMouse(void) ll = l, lm = m, lr = r; - if(dx || dy) { + if(dx || dy || !MouseVisible) { if(l || m || r) { if(MotionFunc) MotionFunc(MouseX, MouseY); @@ -488,12 +540,16 @@ static int ReadMouse(void) EraseCursor(); + MouseVisible = 1; + if(ActiveMenu) Redisplay = 1; else SwapCursor(); } + LastMouseTime = glutGet(GLUT_ELAPSED_TIME); + return 1; } @@ -502,8 +558,14 @@ void ReceiveInput(void) if(ConsoleFD != -1) while(ReadKey()); - if(MouseEnabled) - while(ReadMouse()); + while(ReadMouse()); + + /* implement a 2 second timeout on the mouse */ + if(MouseVisible && glutGet(GLUT_ELAPSED_TIME) - LastMouseTime > 2000) { + EraseCursor(); + MouseVisible = 0; + SwapCursor(); + } } static void VTSwitchHandler(int sig) @@ -526,11 +588,7 @@ static void VTSwitchHandler(int sig) if(st.v_active) ioctl(ConsoleFD, VT_RELDISP, VT_ACKACQ); - /* this is a hack to turn the cursor off */ - ioctl(FrameBufferFD, FBIOPUT_VSCREENINFO, &VarInfo); - - if(FixedInfo.visual != FB_VISUAL_TRUECOLOR) - RestoreColorMap(); + RestoreColorMap(); Active = 1; Visible = 1; @@ -570,11 +628,6 @@ void InitializeVT(int usestdin) exit(0); } - if(fcntl(0, F_SETFL, O_NONBLOCK | O_ASYNC) < 0) { - sprintf(exiterror, "Failed to set keyboard to non-blocking\n"); - exit(0); - } - Active = 1; if(usestdin) { @@ -582,6 +635,12 @@ void InitializeVT(int usestdin) return; } + /* enable sigio for input */ + if(fcntl(0, F_SETFL, O_ASYNC) < 0) { + sprintf(exiterror, "Failed to set O_ASYNC mode on fd 0\n"); + exit(0); + } + /* detect the current vt if it was not specified */ if(CurrentVT == 0) { int fd = open("/dev/tty", O_RDWR | O_NDELAY, 0); @@ -590,15 +649,16 @@ void InitializeVT(int usestdin) sprintf(exiterror, "Failed to open /dev/tty\n"); exit(0); } + if(ioctl(fd, VT_GETSTATE, &st) == -1) { fprintf(stderr, "Could not detect current vt, specify with -vt\n"); fprintf(stderr, "Defaulting to stdin input\n"); ConsoleFD = 0; close(fd); return; - } else - CurrentVT = st.v_active; + } + CurrentVT = st.v_active; close(fd); } @@ -686,10 +746,10 @@ void RestoreVT(void) if (tcsetattr(0, TCSANOW, &OldTermios) < 0) fprintf(stderr, "tcsetattr failed\n"); - /* setting the mode to text from graphics restores the colormap*/ + /* setting the mode to text from graphics restores the colormap */ if( #ifdef HAVE_GPM - GpmMouse || + !GpmMouse || #endif ConsoleFD == 0) if(ioctl(ConsoleFD, KDSETMODE, KD_GRAPHICS) < 0) @@ -725,11 +785,11 @@ void InitializeMouse(void) const char *mousedev = getenv("MOUSE"); if(!mousedev) mousedev = MOUSEDEV; - if((MouseFD = open(mousedev, O_RDONLY)) >= 0) { - if(!MouseSpeed) - MouseSpeed = 1; - NumMouseButtons = 3; - return; + if((MouseFD = open(mousedev, O_RDONLY | O_NONBLOCK)) >= 0) { + if(!MouseSpeed) + MouseSpeed = 1; + NumMouseButtons = 3; + return; } } #ifdef HAVE_GPM diff --git a/src/glut/fbdev/internal.h b/src/glut/fbdev/internal.h index 8801cc9..0a159d9 100644 --- a/src/glut/fbdev/internal.h +++ b/src/glut/fbdev/internal.h @@ -51,6 +51,8 @@ extern int Swapping, VTSwitch; void TestVisible(void); int ParseFBModes(int, int, int, int, int, int); +void SetVideoMode(void); +void CreateBuffer(void); void CreateVisual(void); extern int FrameBufferFD; @@ -84,7 +86,8 @@ void RestoreColorMap(void); /* --- mouse --- */ extern int MouseX, MouseY; extern int CurrentCursor; -extern int MouseEnabled; +extern int MouseVisible; +extern int LastMouseTime; extern int NumMouseButtons; void InitializeCursor(void); diff --git a/src/glut/fbdev/menu.c b/src/glut/fbdev/menu.c index 18cd58d..4ab4eb3 100644 --- a/src/glut/fbdev/menu.c +++ b/src/glut/fbdev/menu.c @@ -71,6 +71,7 @@ void FreeMenus(void) free(Menus[i].Items[j].name); free(Menus[i].Items); } + free(Menus); } @@ -206,7 +207,6 @@ void CloseMenu(void) int glutCreateMenu(void (*func)(int value)) { - MouseEnabled = 1; CurrentMenu = NumMenus; NumMenus++; Menus = realloc(Menus, sizeof(*Menus) * NumMenus); diff --git a/src/glut/fbdev/overlay.c b/src/glut/fbdev/overlay.c index 8bd2071..374cf30 100644 --- a/src/glut/fbdev/overlay.c +++ b/src/glut/fbdev/overlay.c @@ -24,6 +24,7 @@ * Written by Sean D'Epagnier (c) 2006 */ +#include <stdlib.h> #include <GL/gl.h> void glutEstablishOverlay(void) |