diff options
Diffstat (limited to 'src/glut/beos/glutEvent.cpp')
| -rw-r--r-- | src/glut/beos/glutEvent.cpp | 695 |
1 files changed, 0 insertions, 695 deletions
diff --git a/src/glut/beos/glutEvent.cpp b/src/glut/beos/glutEvent.cpp deleted file mode 100644 index cffbc1a..0000000 --- a/src/glut/beos/glutEvent.cpp +++ /dev/null @@ -1,695 +0,0 @@ -/*********************************************************** - * Copyright (C) 1997, Be Inc. Copyright (C) 1999, Jake Hamby. - * - * This program is freely distributable without licensing fees - * and is provided without guarantee or warrantee expressed or - * implied. This program is -not- in the public domain. - * - * - * FILE: glutEvent.cpp - * - * DESCRIPTION: here it is, the BeOS GLUT event loop - ***********************************************************/ - -/*********************************************************** - * Headers - ***********************************************************/ -#include <GL/glut.h> -#include "glutint.h" -#include "glutState.h" -#include "glutBlocker.h" - -/*********************************************************** - * CLASS: GLUTtimer - * - * DESCRIPTION: list of timer callbacks - ***********************************************************/ -struct GLUTtimer { - GLUTtimer *next; // list of timers - bigtime_t timeout; // time to be called - GLUTtimerCB func; // function to call - int value; // value -}; - -/*********************************************************** - * Private variables - ***********************************************************/ -static GLUTtimer *__glutTimerList = 0; // list of timer callbacks -static GLUTtimer *freeTimerList = 0; - -/*********************************************************** - * FUNCTION: glutTimerFunc (7.19) - * - * DESCRIPTION: register a new timer callback - ***********************************************************/ -void APIENTRY -glutTimerFunc(unsigned int interval, GLUTtimerCB timerFunc, int value) -{ - GLUTtimer *timer, *other; - GLUTtimer **prevptr; - - if (!timerFunc) - return; - - if (freeTimerList) { - timer = freeTimerList; - freeTimerList = timer->next; - } else { - timer = new GLUTtimer(); - if (!timer) - __glutFatalError("out of memory."); - } - - timer->func = timerFunc; - timer->value = value; - timer->next = NULL; - timer->timeout = system_time() + (interval*1000); // 1000 ticks in a millisecond - prevptr = &__glutTimerList; - other = *prevptr; - while (other && (other->timeout < timer->timeout)) { - prevptr = &other->next; - other = *prevptr; - } - timer->next = other; - *prevptr = timer; -} - -/*********************************************************** - * FUNCTION: handleTimeouts - * - * DESCRIPTION: private function to handle outstanding timeouts - ***********************************************************/ -static void -handleTimeouts(void) -{ - bigtime_t now; - GLUTtimer *timer; - - /* Assumption is that __glutTimerList is already determined - to be non-NULL. */ - now = system_time(); - while (__glutTimerList->timeout <= now) { - timer = __glutTimerList; - if(gState.currentWindow) - gState.currentWindow->LockGL(); - timer->func(timer->value); - if(gState.currentWindow) - gState.currentWindow->UnlockGL(); - __glutTimerList = timer->next; - timer->next = freeTimerList; - freeTimerList = timer; - if (!__glutTimerList) - break; - } -} - - -/*********************************************************** - * FUNCTION: processEventsAndTimeouts - * - * DESCRIPTION: clear gBlock, then check all windows for events - ***********************************************************/ -static void -processEventsAndTimeouts(void) -{ - gBlock.WaitEvent(); // if there is already an event, returns - // immediately, otherwise wait forever - gBlock.ClearEvents(); - - if(gState.quitAll) - exit(0); // exit handler cleans up windows and quits nicely - - if (gState.currentWindow) - gState.currentWindow->LockGL(); - for(int i=0; i<gState.windowListSize; i++) { - if (gState.windowList[i]) { - GlutWindow *win = gState.windowList[i]; - // NOTE: we can use win as a shortcut for gState.windowList[i] - // in callbacks, EXCEPT we need to check the original variable - // after each callback to make sure the window hasn't been destroyed - if (win->anyevents) { - win->anyevents = false; - if (win->reshapeEvent) { - win->reshapeEvent = false; - __glutSetWindow(win); - win->reshape(win->m_width, win->m_height); - } - if (!gState.windowList[i]) - continue; // window was destroyed by callback! - - if (win->displayEvent) { - win->displayEvent = false; - __glutSetWindow(win); - win->display(); - } - if (!gState.windowList[i]) - continue; // window was destroyed by callback! - - if (win->mouseEvent) { - win->mouseEvent = false; - __glutSetWindow(win); - if (win->mouse) { - gState.modifierKeys = win->modifierKeys; - win->mouse(win->button, win->mouseState, win->mouseX, win->mouseY); - gState.modifierKeys = ~0; - } - } - if (!gState.windowList[i]) - continue; // window was destroyed by callback! - - if (win->menuEvent) { - win->menuEvent = false; - __glutSetWindow(win); - GlutMenu *menu = __glutGetMenuByNum(win->menuNumber); - if (menu) { - gState.currentMenu = menu; - menu->select(win->menuValue); - } - } - if (!gState.windowList[i]) - continue; // window was destroyed by callback! - - if (win->statusEvent) { - win->statusEvent = false; - __glutSetWindow(win); - if (gState.menuStatus) { - gState.currentMenu = __glutGetMenuByNum(win->menuNumber); - gState.menuStatus(win->menuStatus, win->statusX, win->statusY); - } - } - if (!gState.windowList[i]) - continue; // window was destroyed by callback! - - if (win->motionEvent) { - win->motionEvent = false; - __glutSetWindow(win); - if (win->motion) - win->motion(win->motionX, win->motionY); - } - if (!gState.windowList[i]) - continue; // window was destroyed by callback! - - if (win->passiveEvent) { - win->passiveEvent = false; - __glutSetWindow(win); - if (win->passive) - win->passive(win->passiveX, win->passiveY); - } - if (!gState.windowList[i]) - continue; // window was destroyed by callback! - - if (win->keybEvent) { - win->keybEvent = false; - __glutSetWindow(win); - if (win->keyboard) { - gState.modifierKeys = win->modifierKeys; - win->keyboard(win->key, win->keyX, win->keyY); - gState.modifierKeys = ~0; - } - } - if (!gState.windowList[i]) - continue; // window was destroyed by callback! - - if (win->specialEvent) { - win->specialEvent = false; - __glutSetWindow(win); - if (win->special) { - gState.modifierKeys = win->modifierKeys; - win->special(win->specialKey, win->specialX, win->specialY); - gState.modifierKeys = ~0; - } - } - if (!gState.windowList[i]) - continue; // window was destroyed by callback! - - if (win->entryEvent) { - win->entryEvent = false; - __glutSetWindow(win); - if (win->entry) - win->entry(win->entryState); - } - if (!gState.windowList[i]) - continue; // window was destroyed by callback! - - if (win->windowStatusEvent) { - win->windowStatusEvent = false; - __glutSetWindow(win); - if (win->windowStatus) - win->windowStatus(win->visState); - } - if (!gState.windowList[i]) - continue; // window was destroyed by callback! - } - } - } - if (gState.currentWindow) - gState.currentWindow->UnlockGL(); - - // This code isn't necessary since BGLView automatically traps errors -#if 0 - if(gState.debug) { - for(int i=0; i<gState.windowListSize; i++) { - if (gState.windowList[i]) { - gState.windowList[i]->LockGL(); - glutReportErrors(); - gState.windowList[i]->UnlockGL(); - } - } - } -#endif - if (__glutTimerList) { - handleTimeouts(); - } -} - -/*********************************************************** - * FUNCTION: waitForSomething - * - * DESCRIPTION: use gBlock to wait for a new event or timeout - ***********************************************************/ -static void -waitForSomething(void) -{ - bigtime_t timeout = __glutTimerList->timeout; - bigtime_t now = system_time(); - - if (gBlock.PendingEvent()) - goto immediatelyHandleEvent; - - if(timeout>now) - gBlock.WaitEvent(timeout-now); - if (gBlock.PendingEvent()) { - immediatelyHandleEvent: - processEventsAndTimeouts(); - } else { - if (__glutTimerList) - handleTimeouts(); - } -} - -/*********************************************************** - * FUNCTION: idleWait - * - * DESCRIPTION: check for events, then call idle function - ***********************************************************/ -static void -idleWait(void) -{ - if (gBlock.PendingEvent()) { - processEventsAndTimeouts(); - } else { - if (__glutTimerList) - handleTimeouts(); - } - /* Make sure idle func still exists! */ - if(gState.currentWindow) - gState.currentWindow->LockGL(); - if (gState.idle) { - gState.idle(); - } - if(gState.currentWindow) - gState.currentWindow->UnlockGL(); -} - -/*********************************************************** - * FUNCTION: glutMainLoop (3.1) - * - * DESCRIPTION: enter the event processing loop - ***********************************************************/ -void glutMainLoop() -{ - if (!gState.windowListSize) - __glutFatalUsage("main loop entered with no windows created."); - - if(gState.currentWindow) - gState.currentWindow->UnlockGL(); - - for (;;) { - if (gState.idle) { - idleWait(); - } else { - if (__glutTimerList) { - waitForSomething(); - } else { - processEventsAndTimeouts(); - } - } - } -} - -/*********************************************************** - * CLASS: GlutWindow - * - * FUNCTION: KeyDown - * - * DESCRIPTION: handles keyboard and special events - ***********************************************************/ -void GlutWindow::KeyDown(const char *s, int32 slen) -{ - ulong aChar = s[0]; - BGLView::KeyDown(s,slen); - - BPoint p; - - switch (aChar) { - case B_FUNCTION_KEY: - switch(Window()->CurrentMessage()->FindInt32("key")) { - case B_F1_KEY: - aChar = GLUT_KEY_F1; - goto specialLabel; - case B_F2_KEY: - aChar = GLUT_KEY_F2; - goto specialLabel; - case B_F3_KEY: - aChar = GLUT_KEY_F3; - goto specialLabel; - case B_F4_KEY: - aChar = GLUT_KEY_F4; - goto specialLabel; - case B_F5_KEY: - aChar = GLUT_KEY_F5; - goto specialLabel; - case B_F6_KEY: - aChar = GLUT_KEY_F6; - goto specialLabel; - case B_F7_KEY: - aChar = GLUT_KEY_F7; - goto specialLabel; - case B_F8_KEY: - aChar = GLUT_KEY_F8; - goto specialLabel; - case B_F9_KEY: - aChar = GLUT_KEY_F9; - goto specialLabel; - case B_F10_KEY: - aChar = GLUT_KEY_F10; - goto specialLabel; - case B_F11_KEY: - aChar = GLUT_KEY_F11; - goto specialLabel; - case B_F12_KEY: - aChar = GLUT_KEY_F12; - goto specialLabel; - default: - return; - } - case B_LEFT_ARROW: - aChar = GLUT_KEY_LEFT; - goto specialLabel; - case B_UP_ARROW: - aChar = GLUT_KEY_UP; - goto specialLabel; - case B_RIGHT_ARROW: - aChar = GLUT_KEY_RIGHT; - goto specialLabel; - case B_DOWN_ARROW: - aChar = GLUT_KEY_DOWN; - goto specialLabel; - case B_PAGE_UP: - aChar = GLUT_KEY_PAGE_UP; - goto specialLabel; - case B_PAGE_DOWN: - aChar = GLUT_KEY_PAGE_DOWN; - goto specialLabel; - case B_HOME: - aChar = GLUT_KEY_HOME; - goto specialLabel; - case B_END: - aChar = GLUT_KEY_END; - goto specialLabel; - case B_INSERT: - aChar = GLUT_KEY_INSERT; -specialLabel: - if (special) { - anyevents = specialEvent = true; - GetMouse(&p,&m_buttons); - specialKey = aChar; - specialX = (int)p.x; - specialY = (int)p.y; - goto setModifiers; // set the modifier variable - } - return; - - default: - break; - } - - if (keyboard) { - anyevents = keybEvent = true; - GetMouse(&p,&m_buttons); - key = aChar; - keyX = (int)p.x; - keyY = (int)p.y; -setModifiers: - modifierKeys = 0; - uint32 beMod = Window()->CurrentMessage()->FindInt32("modifiers"); - if(beMod & B_SHIFT_KEY) - modifierKeys |= GLUT_ACTIVE_SHIFT; - if(beMod & B_CONTROL_KEY) - modifierKeys |= GLUT_ACTIVE_CTRL; - if(beMod & B_OPTION_KEY) { - // since the window traps B_COMMAND_KEY, we'll have to settle - // for the option key.. but we need to get the raw character, - // not the Unicode-enhanced version - key = Window()->CurrentMessage()->FindInt32("raw_char"); - modifierKeys |= GLUT_ACTIVE_ALT; - } - gBlock.NewEvent(); - } -} - -/*********************************************************** - * CLASS: GlutWindow - * - * FUNCTION: MouseDown - * - * DESCRIPTION: handles mouse and menustatus events - ***********************************************************/ -void GlutWindow::MouseDown(BPoint point) -{ - BGLView::MouseDown(point); - MouseCheck(); -} - -/*********************************************************** - * CLASS: GlutWindow - * - * FUNCTION: MouseCheck - * - * DESCRIPTION: checks for button state changes - ***********************************************************/ -void GlutWindow::MouseCheck() -{ - if (mouseEvent) - return; // we already have an outstanding mouse event - - BPoint point; - uint32 newButtons; - GetMouse(&point, &newButtons); - if (m_buttons != newButtons) { - if (newButtons&B_PRIMARY_MOUSE_BUTTON && !(m_buttons&B_PRIMARY_MOUSE_BUTTON)) { - button = GLUT_LEFT_BUTTON; - mouseState = GLUT_DOWN; - } else if (m_buttons&B_PRIMARY_MOUSE_BUTTON && !(newButtons&B_PRIMARY_MOUSE_BUTTON)) { - button = GLUT_LEFT_BUTTON; - mouseState = GLUT_UP; - } else if (newButtons&B_SECONDARY_MOUSE_BUTTON && !(m_buttons&B_SECONDARY_MOUSE_BUTTON)) { - button = GLUT_RIGHT_BUTTON; - mouseState = GLUT_DOWN; - } else if (m_buttons&B_SECONDARY_MOUSE_BUTTON && !(newButtons&B_SECONDARY_MOUSE_BUTTON)) { - button = GLUT_RIGHT_BUTTON; - mouseState = GLUT_UP; - } else if (newButtons&B_TERTIARY_MOUSE_BUTTON && !(m_buttons&B_TERTIARY_MOUSE_BUTTON)) { - button = GLUT_MIDDLE_BUTTON; - mouseState = GLUT_DOWN; - } else if (m_buttons&B_TERTIARY_MOUSE_BUTTON && !(newButtons&B_TERTIARY_MOUSE_BUTTON)) { - button = GLUT_MIDDLE_BUTTON; - mouseState = GLUT_UP; - } - } else { - return; // no change, return - } - m_buttons = newButtons; - - if (mouseState == GLUT_DOWN) { - BWindow *w = Window(); - GlutMenu *m = __glutGetMenuByNum(menu[button]); - if (m) { - if (gState.menuStatus) { - anyevents = statusEvent = true; - menuNumber = menu[button]; - menuStatus = GLUT_MENU_IN_USE; - statusX = (int)point.x; - statusY = (int)point.y; - gBlock.NewEvent(); - } - BRect bounds = w->Frame(); - point.x += bounds.left; - point.y += bounds.top; - GlutPopUp *bmenu = static_cast<GlutPopUp*>(m->CreateBMenu()); // start menu - bmenu->point = point; - bmenu->win = this; - thread_id menu_thread = spawn_thread(MenuThread, "menu thread", B_NORMAL_PRIORITY, bmenu); - resume_thread(menu_thread); - return; - } - } - - if (mouse) { - anyevents = mouseEvent = true; - mouseX = (int)point.x; - mouseY = (int)point.y; - modifierKeys = 0; - uint32 beMod = modifiers(); - if(beMod & B_SHIFT_KEY) - modifierKeys |= GLUT_ACTIVE_SHIFT; - if(beMod & B_CONTROL_KEY) - modifierKeys |= GLUT_ACTIVE_CTRL; - if(beMod & B_OPTION_KEY) { - modifierKeys |= GLUT_ACTIVE_ALT; - } - gBlock.NewEvent(); - } -} - -/*********************************************************** - * CLASS: GlutWindow - * - * FUNCTION: MouseMoved - * - * DESCRIPTION: handles entry, motion, and passive events - ***********************************************************/ -void GlutWindow::MouseMoved(BPoint point, - ulong transit, const BMessage *msg) -{ - BGLView::MouseMoved(point,transit,msg); - - if(transit != B_INSIDE_VIEW) { - if (entry) { - anyevents = entryEvent = true; - gBlock.NewEvent(); - } - if (transit == B_ENTERED_VIEW) { - entryState = GLUT_ENTERED; - MakeFocus(); // make me the current focus - __glutSetCursor(cursor); - } else - entryState = GLUT_LEFT; - } - - MouseCheck(); - if(m_buttons) { - if(motion) { - anyevents = motionEvent = true; - motionX = (int)point.x; - motionY = (int)point.y; - gBlock.NewEvent(); - } - } else { - if(passive) { - anyevents = passiveEvent = true; - passiveX = (int)point.x; - passiveY = (int)point.y; - gBlock.NewEvent(); - } - } -} - -/*********************************************************** - * CLASS: GlutWindow - * - * FUNCTION: FrameResized - * - * DESCRIPTION: handles reshape event - ***********************************************************/ -void GlutWindow::FrameResized(float width, float height) -{ - BGLView::FrameResized(width, height); - if (visible) { - anyevents = reshapeEvent = true; - m_width = (int)(width)+1; - m_height = (int)(height)+1; - gBlock.NewEvent(); - } -} - -/*********************************************************** - * CLASS: GlutWindow - * - * FUNCTION: Draw - * - * DESCRIPTION: handles reshape and display events - ***********************************************************/ -void GlutWindow::Draw(BRect updateRect) -{ - BGLView::Draw(updateRect); - BRect frame = Frame(); - if (m_width != (frame.Width()+1) || m_height != (frame.Height()+1)) { - FrameResized(frame.Width(), frame.Height()); - } - Window()->Lock(); - if (visible) { - anyevents = displayEvent = true; - gBlock.NewEvent(); - } - Window()->Unlock(); -} - -/*********************************************************** - * CLASS: GlutWindow - * - * FUNCTION: Pulse - * - * DESCRIPTION: handles mouse up event (MouseUp is broken) - ***********************************************************/ -void GlutWindow::Pulse() -{ - BGLView::Pulse(); - if (m_buttons) { // if there are buttons pressed - MouseCheck(); - } -} - -/*********************************************************** - * CLASS: GlutWindow - * - * FUNCTION: ErrorCallback - * - * DESCRIPTION: handles GL error messages - ***********************************************************/ -void GlutWindow::ErrorCallback(GLenum errorCode) { - __glutWarning("GL error: %s", gluErrorString(errorCode)); -} - -/*********************************************************** - * CLASS: GlutWindow - * - * FUNCTION: MenuThread - * - * DESCRIPTION: a new thread to launch popup menu, wait - * wait for response, then clean up afterwards and - * send appropriate messages - ***********************************************************/ -long GlutWindow::MenuThread(void *m) { - GlutPopUp *bmenu = static_cast<GlutPopUp*>(m); - GlutWindow *win = bmenu->win; // my window - GlutBMenuItem *result = (GlutBMenuItem*)bmenu->Go(bmenu->point); - win->Window()->Lock(); - win->anyevents = win->statusEvent = true; - win->menuStatus = GLUT_MENU_NOT_IN_USE; - win->menuNumber = bmenu->menu; - BPoint cursor; - uint32 buttons; - win->GetMouse(&cursor, &buttons); - win->statusX = (int)cursor.x; - win->statusY = (int)cursor.y; - if(result && result->menu) { - win->menuEvent = true; - win->menuNumber = result->menu; // in case it was a submenu - win->menuValue = result->value; - } - win->Window()->Unlock(); - gBlock.NewEvent(); - delete bmenu; - return 0; -} |