llviewerkeyboard.cpp
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上传日期:2021-03-01
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- /**
- * @file llviewerkeyboard.cpp
- * @brief LLViewerKeyboard class implementation
- *
- * $LicenseInfo:firstyear=2005&license=viewergpl$
- *
- * Copyright (c) 2005-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #include "llviewerprecompiledheaders.h"
- #include "llappviewer.h"
- #include "llviewerkeyboard.h"
- #include "llmath.h"
- #include "llagent.h"
- #include "llnearbychatbar.h"
- #include "llviewercontrol.h"
- #include "llfocusmgr.h"
- #include "llmorphview.h"
- #include "llmoveview.h"
- #include "lltoolfocus.h"
- #include "llviewerwindow.h"
- #include "llvoavatarself.h"
- #include "llfloatercamera.h"
- //
- // Constants
- //
- const F32 FLY_TIME = 0.5f;
- const F32 FLY_FRAMES = 4;
- const F32 NUDGE_TIME = 0.25f; // in seconds
- const S32 NUDGE_FRAMES = 2;
- const F32 ORBIT_NUDGE_RATE = 0.05f; // fraction of normal speed
- const F32 YAW_NUDGE_RATE = 0.05f; // fraction of normal speed
- LLViewerKeyboard gViewerKeyboard;
- void agent_jump( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- F32 time = gKeyboard->getCurKeyElapsedTime();
- S32 frame_count = llround(gKeyboard->getCurKeyElapsedFrameCount());
- if( time < FLY_TIME
- || frame_count <= FLY_FRAMES
- || gAgent.upGrabbed()
- || !gSavedSettings.getBOOL("AutomaticFly"))
- {
- gAgent.moveUp(1);
- }
- else
- {
- gAgent.setFlying(TRUE);
- gAgent.moveUp(1);
- }
- }
- void agent_push_down( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gAgent.moveUp(-1);
- }
- static void agent_handle_doubletap_run(EKeystate s, LLAgent::EDoubleTapRunMode mode)
- {
- if (KEYSTATE_UP == s)
- {
- if (gAgent.mDoubleTapRunMode == mode &&
- gAgent.getRunning() &&
- !gAgent.getAlwaysRun())
- {
- // Turn off temporary running.
- gAgent.clearRunning();
- gAgent.sendWalkRun(gAgent.getRunning());
- }
- }
- else if (gSavedSettings.getBOOL("AllowTapTapHoldRun") &&
- KEYSTATE_DOWN == s &&
- !gAgent.getRunning())
- {
- if (gAgent.mDoubleTapRunMode == mode &&
- gAgent.mDoubleTapRunTimer.getElapsedTimeF32() < NUDGE_TIME)
- {
- // Same walk-key was pushed again quickly; this is a
- // double-tap so engage temporary running.
- gAgent.setRunning();
- gAgent.sendWalkRun(gAgent.getRunning());
- }
- // Pressing any walk-key resets the double-tap timer
- gAgent.mDoubleTapRunTimer.reset();
- gAgent.mDoubleTapRunMode = mode;
- }
- }
- static void agent_push_forwardbackward( EKeystate s, S32 direction, LLAgent::EDoubleTapRunMode mode )
- {
- agent_handle_doubletap_run(s, mode);
- if (KEYSTATE_UP == s) return;
- F32 time = gKeyboard->getCurKeyElapsedTime();
- S32 frame_count = llround(gKeyboard->getCurKeyElapsedFrameCount());
- if( time < NUDGE_TIME || frame_count <= NUDGE_FRAMES)
- {
- gAgent.moveAtNudge(direction);
- }
- else
- {
- gAgent.moveAt(direction);
- }
- }
- void camera_move_forward( EKeystate s );
- void agent_push_forward( EKeystate s )
- {
- //in free camera control mode we need to intercept keyboard events for avatar movements
- if (LLFloaterCamera::inFreeCameraMode())
- {
- camera_move_forward(s);
- return;
- }
- agent_push_forwardbackward(s, 1, LLAgent::DOUBLETAP_FORWARD);
- }
- void camera_move_backward( EKeystate s );
- void agent_push_backward( EKeystate s )
- {
- //in free camera control mode we need to intercept keyboard events for avatar movements
- if (LLFloaterCamera::inFreeCameraMode())
- {
- camera_move_backward(s);
- return;
- }
- agent_push_forwardbackward(s, -1, LLAgent::DOUBLETAP_BACKWARD);
- }
- static void agent_slide_leftright( EKeystate s, S32 direction, LLAgent::EDoubleTapRunMode mode )
- {
- agent_handle_doubletap_run(s, mode);
- if( KEYSTATE_UP == s ) return;
- F32 time = gKeyboard->getCurKeyElapsedTime();
- S32 frame_count = llround(gKeyboard->getCurKeyElapsedFrameCount());
- if( time < NUDGE_TIME || frame_count <= NUDGE_FRAMES)
- {
- gAgent.moveLeftNudge(direction);
- }
- else
- {
- gAgent.moveLeft(direction);
- }
- }
- void agent_slide_left( EKeystate s )
- {
- agent_slide_leftright(s, 1, LLAgent::DOUBLETAP_SLIDELEFT);
- }
- void agent_slide_right( EKeystate s )
- {
- agent_slide_leftright(s, -1, LLAgent::DOUBLETAP_SLIDERIGHT);
- }
- void camera_spin_around_cw( EKeystate s );
- void agent_turn_left( EKeystate s )
- {
- //in free camera control mode we need to intercept keyboard events for avatar movements
- if (LLFloaterCamera::inFreeCameraMode())
- {
- camera_spin_around_cw(s);
- return;
- }
- if (LLToolCamera::getInstance()->mouseSteerMode())
- {
- agent_slide_left(s);
- }
- else
- {
- if (KEYSTATE_UP == s) return;
- F32 time = gKeyboard->getCurKeyElapsedTime();
- gAgent.moveYaw( LLFloaterMove::getYawRate( time ) );
- }
- }
- void camera_spin_around_ccw( EKeystate s );
- void agent_turn_right( EKeystate s )
- {
- //in free camera control mode we need to intercept keyboard events for avatar movements
- if (LLFloaterCamera::inFreeCameraMode())
- {
- camera_spin_around_ccw(s);
- return;
- }
- if (LLToolCamera::getInstance()->mouseSteerMode())
- {
- agent_slide_right(s);
- }
- else
- {
- if (KEYSTATE_UP == s) return;
- F32 time = gKeyboard->getCurKeyElapsedTime();
- gAgent.moveYaw( -LLFloaterMove::getYawRate( time ) );
- }
- }
- void agent_look_up( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gAgent.movePitch(-1);
- //gAgent.rotate(-2.f * DEG_TO_RAD, gAgent.getFrame().getLeftAxis() );
- }
- void agent_look_down( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gAgent.movePitch(1);
- //gAgent.rotate(2.f * DEG_TO_RAD, gAgent.getFrame().getLeftAxis() );
- }
- void agent_toggle_fly( EKeystate s )
- {
- // Only catch the edge
- if (KEYSTATE_DOWN == s )
- {
- LLAgent::toggleFlying();
- }
- }
- F32 get_orbit_rate()
- {
- F32 time = gKeyboard->getCurKeyElapsedTime();
- if( time < NUDGE_TIME )
- {
- F32 rate = ORBIT_NUDGE_RATE + time * (1 - ORBIT_NUDGE_RATE)/ NUDGE_TIME;
- //llinfos << rate << llendl;
- return rate;
- }
- else
- {
- return 1;
- }
- }
- void camera_spin_around_ccw( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gAgent.unlockView();
- gAgent.setOrbitLeftKey( get_orbit_rate() );
- }
- void camera_spin_around_cw( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gAgent.unlockView();
- gAgent.setOrbitRightKey( get_orbit_rate() );
- }
- void camera_spin_around_ccw_sitting( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- if (gAgent.rotateGrabbed() || gAgent.sitCameraEnabled())
- {
- //send keystrokes, but do not change camera
- agent_turn_right(s);
- }
- else
- {
- //change camera but do not send keystrokes
- gAgent.setOrbitLeftKey( get_orbit_rate() );
- }
- }
- void camera_spin_around_cw_sitting( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- if (gAgent.rotateGrabbed() || gAgent.sitCameraEnabled())
- {
- //send keystrokes, but do not change camera
- agent_turn_left(s);
- }
- else
- {
- //change camera but do not send keystrokes
- gAgent.setOrbitRightKey( get_orbit_rate() );
- }
- }
- void camera_spin_over( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gAgent.unlockView();
- gAgent.setOrbitUpKey( get_orbit_rate() );
- }
- void camera_spin_under( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gAgent.unlockView();
- gAgent.setOrbitDownKey( get_orbit_rate() );
- }
- void camera_spin_over_sitting( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- if (gAgent.upGrabbed() || gAgent.sitCameraEnabled())
- {
- //send keystrokes, but do not change camera
- agent_jump(s);
- }
- else
- {
- //change camera but do not send keystrokes
- gAgent.setOrbitUpKey( get_orbit_rate() );
- }
- }
- void camera_spin_under_sitting( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- if (gAgent.downGrabbed() || gAgent.sitCameraEnabled())
- {
- //send keystrokes, but do not change camera
- agent_push_down(s);
- }
- else
- {
- //change camera but do not send keystrokes
- gAgent.setOrbitDownKey( get_orbit_rate() );
- }
- }
- void camera_move_forward( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gAgent.unlockView();
- gAgent.setOrbitInKey( get_orbit_rate() );
- }
- void camera_move_backward( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gAgent.unlockView();
- gAgent.setOrbitOutKey( get_orbit_rate() );
- }
- void camera_move_forward_sitting( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- if (gAgent.forwardGrabbed() || gAgent.sitCameraEnabled())
- {
- agent_push_forward(s);
- }
- else
- {
- gAgent.setOrbitInKey( get_orbit_rate() );
- }
- }
- void camera_move_backward_sitting( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- if (gAgent.backwardGrabbed() || gAgent.sitCameraEnabled())
- {
- agent_push_backward(s);
- }
- else
- {
- gAgent.setOrbitOutKey( get_orbit_rate() );
- }
- }
- void camera_pan_up( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gAgent.unlockView();
- gAgent.setPanUpKey( get_orbit_rate() );
- }
- void camera_pan_down( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gAgent.unlockView();
- gAgent.setPanDownKey( get_orbit_rate() );
- }
- void camera_pan_left( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gAgent.unlockView();
- gAgent.setPanLeftKey( get_orbit_rate() );
- }
- void camera_pan_right( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gAgent.unlockView();
- gAgent.setPanRightKey( get_orbit_rate() );
- }
- void camera_pan_in( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gAgent.unlockView();
- gAgent.setPanInKey( get_orbit_rate() );
- }
- void camera_pan_out( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gAgent.unlockView();
- gAgent.setPanOutKey( get_orbit_rate() );
- }
- void camera_move_forward_fast( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gAgent.unlockView();
- gAgent.setOrbitInKey(2.5f);
- }
- void camera_move_backward_fast( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gAgent.unlockView();
- gAgent.setOrbitOutKey(2.5f);
- }
- void edit_avatar_spin_ccw( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gMorphView->setCameraDrivenByKeys( TRUE );
- gAgent.setOrbitLeftKey( get_orbit_rate() );
- //gMorphView->orbitLeft( get_orbit_rate() );
- }
- void edit_avatar_spin_cw( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gMorphView->setCameraDrivenByKeys( TRUE );
- gAgent.setOrbitRightKey( get_orbit_rate() );
- //gMorphView->orbitRight( get_orbit_rate() );
- }
- void edit_avatar_spin_over( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gMorphView->setCameraDrivenByKeys( TRUE );
- gAgent.setOrbitUpKey( get_orbit_rate() );
- //gMorphView->orbitUp( get_orbit_rate() );
- }
- void edit_avatar_spin_under( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gMorphView->setCameraDrivenByKeys( TRUE );
- gAgent.setOrbitDownKey( get_orbit_rate() );
- //gMorphView->orbitDown( get_orbit_rate() );
- }
- void edit_avatar_move_forward( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gMorphView->setCameraDrivenByKeys( TRUE );
- gAgent.setOrbitInKey( get_orbit_rate() );
- //gMorphView->orbitIn();
- }
- void edit_avatar_move_backward( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- gMorphView->setCameraDrivenByKeys( TRUE );
- gAgent.setOrbitOutKey( get_orbit_rate() );
- //gMorphView->orbitOut();
- }
- void stop_moving( EKeystate s )
- {
- if( KEYSTATE_UP == s ) return;
- // stop agent
- gAgent.setControlFlags(AGENT_CONTROL_STOP);
- // cancel autopilot
- gAgent.stopAutoPilot();
- }
- void start_chat( EKeystate s )
- {
- // start chat
- LLNearbyChatBar::startChat(NULL);
- }
- void start_gesture( EKeystate s )
- {
- LLUICtrl* focus_ctrlp = dynamic_cast<LLUICtrl*>(gFocusMgr.getKeyboardFocus());
- if (KEYSTATE_UP == s &&
- ! (focus_ctrlp && focus_ctrlp->acceptsTextInput()))
- {
- if (LLNearbyChatBar::getInstance()->getCurrentChat().empty())
- {
- // No existing chat in chat editor, insert '/'
- LLNearbyChatBar::startChat("/");
- }
- else
- {
- // Don't overwrite existing text in chat editor
- LLNearbyChatBar::startChat(NULL);
- }
- }
- }
- void bind_keyboard_functions()
- {
- gViewerKeyboard.bindNamedFunction("jump", agent_jump);
- gViewerKeyboard.bindNamedFunction("push_down", agent_push_down);
- gViewerKeyboard.bindNamedFunction("push_forward", agent_push_forward);
- gViewerKeyboard.bindNamedFunction("push_backward", agent_push_backward);
- gViewerKeyboard.bindNamedFunction("look_up", agent_look_up);
- gViewerKeyboard.bindNamedFunction("look_down", agent_look_down);
- gViewerKeyboard.bindNamedFunction("toggle_fly", agent_toggle_fly);
- gViewerKeyboard.bindNamedFunction("turn_left", agent_turn_left);
- gViewerKeyboard.bindNamedFunction("turn_right", agent_turn_right);
- gViewerKeyboard.bindNamedFunction("slide_left", agent_slide_left);
- gViewerKeyboard.bindNamedFunction("slide_right", agent_slide_right);
- gViewerKeyboard.bindNamedFunction("spin_around_ccw", camera_spin_around_ccw);
- gViewerKeyboard.bindNamedFunction("spin_around_cw", camera_spin_around_cw);
- gViewerKeyboard.bindNamedFunction("spin_around_ccw_sitting", camera_spin_around_ccw_sitting);
- gViewerKeyboard.bindNamedFunction("spin_around_cw_sitting", camera_spin_around_cw_sitting);
- gViewerKeyboard.bindNamedFunction("spin_over", camera_spin_over);
- gViewerKeyboard.bindNamedFunction("spin_under", camera_spin_under);
- gViewerKeyboard.bindNamedFunction("spin_over_sitting", camera_spin_over_sitting);
- gViewerKeyboard.bindNamedFunction("spin_under_sitting", camera_spin_under_sitting);
- gViewerKeyboard.bindNamedFunction("move_forward", camera_move_forward);
- gViewerKeyboard.bindNamedFunction("move_backward", camera_move_backward);
- gViewerKeyboard.bindNamedFunction("move_forward_sitting", camera_move_forward_sitting);
- gViewerKeyboard.bindNamedFunction("move_backward_sitting", camera_move_backward_sitting);
- gViewerKeyboard.bindNamedFunction("pan_up", camera_pan_up);
- gViewerKeyboard.bindNamedFunction("pan_down", camera_pan_down);
- gViewerKeyboard.bindNamedFunction("pan_left", camera_pan_left);
- gViewerKeyboard.bindNamedFunction("pan_right", camera_pan_right);
- gViewerKeyboard.bindNamedFunction("pan_in", camera_pan_in);
- gViewerKeyboard.bindNamedFunction("pan_out", camera_pan_out);
- gViewerKeyboard.bindNamedFunction("move_forward_fast", camera_move_forward_fast);
- gViewerKeyboard.bindNamedFunction("move_backward_fast", camera_move_backward_fast);
- gViewerKeyboard.bindNamedFunction("edit_avatar_spin_ccw", edit_avatar_spin_ccw);
- gViewerKeyboard.bindNamedFunction("edit_avatar_spin_cw", edit_avatar_spin_cw);
- gViewerKeyboard.bindNamedFunction("edit_avatar_spin_over", edit_avatar_spin_over);
- gViewerKeyboard.bindNamedFunction("edit_avatar_spin_under", edit_avatar_spin_under);
- gViewerKeyboard.bindNamedFunction("edit_avatar_move_forward", edit_avatar_move_forward);
- gViewerKeyboard.bindNamedFunction("edit_avatar_move_backward", edit_avatar_move_backward);
- gViewerKeyboard.bindNamedFunction("stop_moving", stop_moving);
- gViewerKeyboard.bindNamedFunction("start_chat", start_chat);
- gViewerKeyboard.bindNamedFunction("start_gesture", start_gesture);
- }
- LLViewerKeyboard::LLViewerKeyboard() :
- mNamedFunctionCount(0)
- {
- for (S32 i = 0; i < MODE_COUNT; i++)
- {
- mBindingCount[i] = 0;
- }
- for (S32 i = 0; i < KEY_COUNT; i++)
- {
- mKeyHandledByUI[i] = FALSE;
- }
- // we want the UI to never see these keys so that they can always control the avatar/camera
- for(KEY k = KEY_PAD_UP; k <= KEY_PAD_DIVIDE; k++)
- {
- mKeysSkippedByUI.insert(k);
- }
- }
- void LLViewerKeyboard::bindNamedFunction(const std::string& name, LLKeyFunc func)
- {
- S32 i = mNamedFunctionCount;
- mNamedFunctions[i].mName = name;
- mNamedFunctions[i].mFunction = func;
- mNamedFunctionCount++;
- }
- BOOL LLViewerKeyboard::modeFromString(const std::string& string, S32 *mode)
- {
- if (string == "FIRST_PERSON")
- {
- *mode = MODE_FIRST_PERSON;
- return TRUE;
- }
- else if (string == "THIRD_PERSON")
- {
- *mode = MODE_THIRD_PERSON;
- return TRUE;
- }
- else if (string == "EDIT")
- {
- *mode = MODE_EDIT;
- return TRUE;
- }
- else if (string == "EDIT_AVATAR")
- {
- *mode = MODE_EDIT_AVATAR;
- return TRUE;
- }
- else if (string == "SITTING")
- {
- *mode = MODE_SITTING;
- return TRUE;
- }
- else
- {
- *mode = MODE_THIRD_PERSON;
- return FALSE;
- }
- }
- BOOL LLViewerKeyboard::handleKey(KEY translated_key, MASK translated_mask, BOOL repeated)
- {
- // check for re-map
- EKeyboardMode mode = gViewerKeyboard.getMode();
- U32 keyidx = (translated_mask<<16) | translated_key;
- key_remap_t::iterator iter = mRemapKeys[mode].find(keyidx);
- if (iter != mRemapKeys[mode].end())
- {
- translated_key = (iter->second) & 0xff;
- translated_mask = (iter->second)>>16;
- }
- // No repeats of F-keys
- BOOL repeatable_key = (translated_key < KEY_F1 || translated_key > KEY_F12);
- if (!repeatable_key && repeated)
- {
- return FALSE;
- }
- lldebugst(LLERR_USER_INPUT) << "keydown -" << translated_key << "-" << llendl;
- // skip skipped keys
- if(mKeysSkippedByUI.find(translated_key) != mKeysSkippedByUI.end())
- {
- mKeyHandledByUI[translated_key] = FALSE;
- }
- else
- {
- // it is sufficient to set this value once per call to handlekey
- // without clearing it, as it is only used in the subsequent call to scanKey
- mKeyHandledByUI[translated_key] = gViewerWindow->handleKey(translated_key, translated_mask);
- }
- return mKeyHandledByUI[translated_key];
- }
- BOOL LLViewerKeyboard::bindKey(const S32 mode, const KEY key, const MASK mask, const std::string& function_name)
- {
- S32 i,index;
- void (*function)(EKeystate keystate) = NULL;
- std::string name;
- // Allow remapping of F2-F12
- if (function_name[0] == 'F')
- {
- int c1 = function_name[1] - '0';
- int c2 = function_name[2] ? function_name[2] - '0' : -1;
- if (c1 >= 0 && c1 <= 9 && c2 >= -1 && c2 <= 9)
- {
- int idx = c1;
- if (c2 >= 0)
- idx = idx*10 + c2;
- if (idx >=2 && idx <= 12)
- {
- U32 keyidx = ((mask<<16)|key);
- (mRemapKeys[mode])[keyidx] = ((0<<16)|(KEY_F1+(idx-1)));
- return TRUE;
- }
- }
- }
- // Not remapped, look for a function
- for (i = 0; i < mNamedFunctionCount; i++)
- {
- if (function_name == mNamedFunctions[i].mName)
- {
- function = mNamedFunctions[i].mFunction;
- name = mNamedFunctions[i].mName;
- }
- }
- if (!function)
- {
- llerrs << "Can't bind key to function " << function_name << ", no function with this name found" << llendl;
- return FALSE;
- }
- // check for duplicate first and overwrite
- for (index = 0; index < mBindingCount[mode]; index++)
- {
- if (key == mBindings[mode][index].mKey && mask == mBindings[mode][index].mMask)
- break;
- }
- if (index >= MAX_KEY_BINDINGS)
- {
- llerrs << "LLKeyboard::bindKey() - too many keys for mode " << mode << llendl;
- return FALSE;
- }
- if (mode >= MODE_COUNT)
- {
- llerror("LLKeyboard::bindKey() - unknown mode passed", mode);
- return FALSE;
- }
- mBindings[mode][index].mKey = key;
- mBindings[mode][index].mMask = mask;
- // mBindings[mode][index].mName = name;
- mBindings[mode][index].mFunction = function;
- if (index == mBindingCount[mode])
- mBindingCount[mode]++;
- return TRUE;
- }
- S32 LLViewerKeyboard::loadBindings(const std::string& filename)
- {
- LLFILE *fp;
- const S32 BUFFER_SIZE = 2048;
- char buffer[BUFFER_SIZE]; /* Flawfinder: ignore */
- // *NOTE: This buffer size is hard coded into scanf() below.
- char mode_string[MAX_STRING] = ""; /* Flawfinder: ignore */
- char key_string[MAX_STRING] = ""; /* Flawfinder: ignore */
- char mask_string[MAX_STRING] = ""; /* Flawfinder: ignore */
- char function_string[MAX_STRING] = ""; /* Flawfinder: ignore */
- S32 mode = MODE_THIRD_PERSON;
- KEY key = 0;
- MASK mask = 0;
- S32 tokens_read;
- S32 binding_count = 0;
- S32 line_count = 0;
- if(filename.empty())
- {
- llerrs << " No filename specified" << llendl;
- return 0;
- }
- fp = LLFile::fopen(filename, "r");
- if (!fp)
- {
- return 0;
- }
- while (!feof(fp))
- {
- line_count++;
- if (!fgets(buffer, BUFFER_SIZE, fp))
- break;
- // skip over comments, blank lines
- if (buffer[0] == '#' || buffer[0] == 'n') continue;
- // grab the binding strings
- tokens_read = sscanf( /* Flawfinder: ignore */
- buffer,
- "%254s %254s %254s %254s",
- mode_string,
- key_string,
- mask_string,
- function_string);
- if (tokens_read == EOF)
- {
- llinfos << "Unexpected end-of-file at line " << line_count << " of key binding file " << filename << llendl;
- fclose(fp);
- return 0;
- }
- else if (tokens_read < 4)
- {
- llinfos << "Can't read line " << line_count << " of key binding file " << filename << llendl;
- continue;
- }
- // convert mode
- if (!modeFromString(mode_string, &mode))
- {
- llinfos << "Unknown mode on line " << line_count << " of key binding file " << filename << llendl;
- llinfos << "Mode must be one of FIRST_PERSON, THIRD_PERSON, EDIT, EDIT_AVATAR" << llendl;
- continue;
- }
- // convert key
- if (!LLKeyboard::keyFromString(key_string, &key))
- {
- llinfos << "Can't interpret key on line " << line_count << " of key binding file " << filename << llendl;
- continue;
- }
- // convert mask
- if (!LLKeyboard::maskFromString(mask_string, &mask))
- {
- llinfos << "Can't interpret mask on line " << line_count << " of key binding file " << filename << llendl;
- continue;
- }
- // bind key
- if (bindKey(mode, key, mask, function_string))
- {
- binding_count++;
- }
- }
- fclose(fp);
- return binding_count;
- }
- EKeyboardMode LLViewerKeyboard::getMode()
- {
- if ( gAgent.cameraMouselook() )
- {
- return MODE_FIRST_PERSON;
- }
- else if ( gMorphView && gMorphView->getVisible())
- {
- return MODE_EDIT_AVATAR;
- }
- else if (gAgent.getAvatarObject() && gAgent.getAvatarObject()->isSitting())
- {
- return MODE_SITTING;
- }
- else
- {
- return MODE_THIRD_PERSON;
- }
- }
- // Called from scanKeyboard.
- void LLViewerKeyboard::scanKey(KEY key, BOOL key_down, BOOL key_up, BOOL key_level)
- {
- S32 mode = getMode();
- // Consider keyboard scanning as NOT mouse event. JC
- MASK mask = gKeyboard->currentMask(FALSE);
- LLKeyBinding* binding = mBindings[mode];
- S32 binding_count = mBindingCount[mode];
- if (mKeyHandledByUI[key])
- {
- return;
- }
- // don't process key down on repeated keys
- BOOL repeat = gKeyboard->getKeyRepeated(key);
- for (S32 i = 0; i < binding_count; i++)
- {
- //for (S32 key = 0; key < KEY_COUNT; key++)
- if (binding[i].mKey == key)
- {
- //if (binding[i].mKey == key && binding[i].mMask == mask)
- if (binding[i].mMask == mask)
- {
- if (key_down && !repeat)
- {
- // ...key went down this frame, call function
- (*binding[i].mFunction)( KEYSTATE_DOWN );
- }
- else if (key_up)
- {
- // ...key went down this frame, call function
- (*binding[i].mFunction)( KEYSTATE_UP );
- }
- else if (key_level)
- {
- // ...key held down from previous frame
- // Not windows, just call the function.
- (*binding[i].mFunction)( KEYSTATE_LEVEL );
- }//if
- }//if
- }//for
- }//for
- }