diff options
Diffstat (limited to 'indra/llui/llresizehandle.cpp')
| -rw-r--r-- | indra/llui/llresizehandle.cpp | 770 |
1 files changed, 385 insertions, 385 deletions
diff --git a/indra/llui/llresizehandle.cpp b/indra/llui/llresizehandle.cpp index 55eeae6963..0b7bb55360 100644 --- a/indra/llui/llresizehandle.cpp +++ b/indra/llui/llresizehandle.cpp @@ -1,385 +1,385 @@ -/**
- * @file llresizehandle.cpp
- * @brief LLResizeHandle base class
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * 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;
- * version 2.1 of the License only.
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-
-#include "llresizehandle.h"
-
-#include "llfocusmgr.h"
-#include "llmath.h"
-#include "llui.h"
-#include "llmenugl.h"
-#include "llcontrol.h"
-#include "llfloater.h"
-#include "llwindow.h"
-
-const S32 RESIZE_BORDER_WIDTH = 3;
-
-LLResizeHandle::Params::Params()
-: corner("corner"),
- min_width("min_width"),
- min_height("min_height")
-{
- name = "resize_handle";
-}
-
-LLResizeHandle::LLResizeHandle(const LLResizeHandle::Params& p)
-: LLView(p),
- mDragLastScreenX( 0 ),
- mDragLastScreenY( 0 ),
- mLastMouseScreenX( 0 ),
- mLastMouseScreenY( 0 ),
- mImage( NULL ),
- mMinWidth( p.min_width ),
- mMinHeight( p.min_height ),
- mCorner( p.corner )
-{
- if( RIGHT_BOTTOM == mCorner)
- {
- mImage = LLUI::getUIImage("Resize_Corner");
- }
- switch( p.corner )
- {
- case LEFT_TOP: setFollows( FOLLOWS_LEFT | FOLLOWS_TOP ); break;
- case LEFT_BOTTOM: setFollows( FOLLOWS_LEFT | FOLLOWS_BOTTOM ); break;
- case RIGHT_TOP: setFollows( FOLLOWS_RIGHT | FOLLOWS_TOP ); break;
- case RIGHT_BOTTOM: setFollows( FOLLOWS_RIGHT | FOLLOWS_BOTTOM ); break;
- }
-}
-
-LLResizeHandle::~LLResizeHandle()
-{
- gFocusMgr.removeKeyboardFocusWithoutCallback(this);
-}
-
-
-bool LLResizeHandle::handleMouseDown(S32 x, S32 y, MASK mask)
-{
- bool handled = false;
- if( pointInHandle(x, y) )
- {
- handled = true;
- // Route future Mouse messages here preemptively. (Release on mouse up.)
- // No handler needed for focus lost since this clas has no state that depends on it.
- gFocusMgr.setMouseCapture( this );
-
- localPointToScreen(x, y, &mDragLastScreenX, &mDragLastScreenY);
- mLastMouseScreenX = mDragLastScreenX;
- mLastMouseScreenY = mDragLastScreenY;
- }
-
- return handled;
-}
-
-
-bool LLResizeHandle::handleMouseUp(S32 x, S32 y, MASK mask)
-{
- bool handled = false;
-
- if( hasMouseCapture() )
- {
- // Release the mouse
- gFocusMgr.setMouseCapture( NULL );
- handled = true;
- }
- else if( pointInHandle(x, y) )
- {
- handled = true;
- }
-
- return handled;
-}
-
-
-bool LLResizeHandle::handleHover(S32 x, S32 y, MASK mask)
-{
- bool handled = false;
-
- // We only handle the click if the click both started and ended within us
- if( hasMouseCapture() )
- {
- // Make sure the mouse in still over the application. We don't want to make the parent
- // so big that we can't see the resize handle any more.
-
- S32 screen_x;
- S32 screen_y;
- localPointToScreen(x, y, &screen_x, &screen_y);
- const LLRect valid_rect = getRootView()->getRect();
- screen_x = llclamp( screen_x, valid_rect.mLeft, valid_rect.mRight );
- screen_y = llclamp( screen_y, valid_rect.mBottom, valid_rect.mTop );
-
- LLView* resizing_view = getParent();
- if( resizing_view )
- {
- // undock floater when user resize it
- LLFloater* floater_parent = dynamic_cast<LLFloater*>(getParent());
- if (floater_parent && floater_parent->isDocked())
- {
- floater_parent->setDocked(false, false);
- }
-
- // Resize the parent
- LLRect orig_rect = resizing_view->getRect();
- LLRect scaled_rect = orig_rect;
- S32 delta_x = screen_x - mDragLastScreenX;
- S32 delta_y = screen_y - mDragLastScreenY;
- LLCoordGL mouse_dir;
- // use hysteresis on mouse motion to preserve user intent when mouse stops moving
- mouse_dir.mX = (screen_x == mLastMouseScreenX) ? mLastMouseDir.mX : screen_x - mLastMouseScreenX;
- mouse_dir.mY = (screen_y == mLastMouseScreenY) ? mLastMouseDir.mY : screen_y - mLastMouseScreenY;
- mLastMouseScreenX = screen_x;
- mLastMouseScreenY = screen_y;
- mLastMouseDir = mouse_dir;
-
- S32 x_multiple = 1;
- S32 y_multiple = 1;
- switch( mCorner )
- {
- case LEFT_TOP:
- x_multiple = -1;
- y_multiple = 1;
- break;
- case LEFT_BOTTOM:
- x_multiple = -1;
- y_multiple = -1;
- break;
- case RIGHT_TOP:
- x_multiple = 1;
- y_multiple = 1;
- break;
- case RIGHT_BOTTOM:
- x_multiple = 1;
- y_multiple = -1;
- break;
- }
-
- S32 new_width = orig_rect.getWidth() + x_multiple * delta_x;
- if( new_width < mMinWidth )
- {
- new_width = mMinWidth;
- delta_x = x_multiple * (mMinWidth - orig_rect.getWidth());
- }
-
- S32 new_height = orig_rect.getHeight() + y_multiple * delta_y;
- if( new_height < mMinHeight )
- {
- new_height = mMinHeight;
- delta_y = y_multiple * (mMinHeight - orig_rect.getHeight());
- }
-
- switch( mCorner )
- {
- case LEFT_TOP:
- scaled_rect.translate(delta_x, 0);
- break;
- case LEFT_BOTTOM:
- scaled_rect.translate(delta_x, delta_y);
- break;
- case RIGHT_TOP:
- break;
- case RIGHT_BOTTOM:
- scaled_rect.translate(0, delta_y);
- break;
- }
-
- // temporarily set new parent rect
- scaled_rect.mRight = scaled_rect.mLeft + new_width;
- scaled_rect.mTop = scaled_rect.mBottom + new_height;
- resizing_view->setRect(scaled_rect);
-
- LLView* snap_view = NULL;
- LLView* test_view = NULL;
-
- static LLUICachedControl<S32> snap_margin ("SnapMargin", 0);
- // now do snapping
- switch(mCorner)
- {
- case LEFT_TOP:
- snap_view = resizing_view->findSnapEdge(scaled_rect.mLeft, mouse_dir, SNAP_LEFT, SNAP_PARENT_AND_SIBLINGS, snap_margin);
- test_view = resizing_view->findSnapEdge(scaled_rect.mTop, mouse_dir, SNAP_TOP, SNAP_PARENT_AND_SIBLINGS, snap_margin);
- if (!snap_view)
- {
- snap_view = test_view;
- }
- break;
- case LEFT_BOTTOM:
- snap_view = resizing_view->findSnapEdge(scaled_rect.mLeft, mouse_dir, SNAP_LEFT, SNAP_PARENT_AND_SIBLINGS, snap_margin);
- test_view = resizing_view->findSnapEdge(scaled_rect.mBottom, mouse_dir, SNAP_BOTTOM, SNAP_PARENT_AND_SIBLINGS, snap_margin);
- if (!snap_view)
- {
- snap_view = test_view;
- }
- break;
- case RIGHT_TOP:
- snap_view = resizing_view->findSnapEdge(scaled_rect.mRight, mouse_dir, SNAP_RIGHT, SNAP_PARENT_AND_SIBLINGS, snap_margin);
- test_view = resizing_view->findSnapEdge(scaled_rect.mTop, mouse_dir, SNAP_TOP, SNAP_PARENT_AND_SIBLINGS, snap_margin);
- if (!snap_view)
- {
- snap_view = test_view;
- }
- break;
- case RIGHT_BOTTOM:
- snap_view = resizing_view->findSnapEdge(scaled_rect.mRight, mouse_dir, SNAP_RIGHT, SNAP_PARENT_AND_SIBLINGS, snap_margin);
- test_view = resizing_view->findSnapEdge(scaled_rect.mBottom, mouse_dir, SNAP_BOTTOM, SNAP_PARENT_AND_SIBLINGS, snap_margin);
- if (!snap_view)
- {
- snap_view = test_view;
- }
- break;
- }
-
- // register "snap" behavior with snapped view
- resizing_view->setSnappedTo(snap_view);
-
- // reset parent rect
- resizing_view->setRect(orig_rect);
-
- // translate and scale to new shape
- resizing_view->setShape(scaled_rect, true);
-
- // update last valid mouse cursor position based on resized view's actual size
- LLRect new_rect = resizing_view->getRect();
- S32 actual_delta_x = 0;
- S32 actual_delta_y = 0;
- switch(mCorner)
- {
- case LEFT_TOP:
- actual_delta_x = new_rect.mLeft - orig_rect.mLeft;
- actual_delta_y = new_rect.mTop - orig_rect.mTop;
- if (actual_delta_x != delta_x
- || actual_delta_y != delta_y)
- {
- new_rect.mRight = orig_rect.mRight;
- new_rect.mBottom = orig_rect.mBottom;
- resizing_view->setShape(new_rect, true);
- }
-
- mDragLastScreenX += actual_delta_x;
- mDragLastScreenY += actual_delta_y;
- break;
- case LEFT_BOTTOM:
- actual_delta_x = new_rect.mLeft - orig_rect.mLeft;
- actual_delta_y = new_rect.mBottom - orig_rect.mBottom;
- if (actual_delta_x != delta_x
- || actual_delta_y != delta_y)
- {
- new_rect.mRight = orig_rect.mRight;
- new_rect.mTop = orig_rect.mTop;
- resizing_view->setShape(new_rect, true);
- }
-
- mDragLastScreenX += actual_delta_x;
- mDragLastScreenY += actual_delta_y;
- break;
- case RIGHT_TOP:
- actual_delta_x = new_rect.mRight - orig_rect.mRight;
- actual_delta_y = new_rect.mTop - orig_rect.mTop;
- if (actual_delta_x != delta_x
- || actual_delta_y != delta_y)
- {
- new_rect.mLeft = orig_rect.mLeft;
- new_rect.mBottom = orig_rect.mBottom;
- resizing_view->setShape(new_rect, true);
- }
-
- mDragLastScreenX += actual_delta_x;
- mDragLastScreenY += actual_delta_y;
- break;
- case RIGHT_BOTTOM:
- actual_delta_x = new_rect.mRight - orig_rect.mRight;
- actual_delta_y = new_rect.mBottom - orig_rect.mBottom;
- if (actual_delta_x != delta_x
- || actual_delta_y != delta_y)
- {
- new_rect.mLeft = orig_rect.mLeft;
- new_rect.mTop = orig_rect.mTop;
- resizing_view->setShape(new_rect, true);
- }
-
- mDragLastScreenX += actual_delta_x;
- mDragLastScreenY += actual_delta_y;
- break;
- default:
- break;
- }
- }
-
- handled = true;
- }
- else // don't have mouse capture
- {
- if( pointInHandle( x, y ) )
- {
- handled = true;
- }
- }
-
- if( handled )
- {
- switch( mCorner )
- {
- case RIGHT_BOTTOM:
- case LEFT_TOP:
- getWindow()->setCursor(UI_CURSOR_SIZENWSE);
- break;
- case LEFT_BOTTOM:
- case RIGHT_TOP:
- getWindow()->setCursor(UI_CURSOR_SIZENESW);
- break;
- }
- }
-
- return handled;
-} // end handleHover
-
-
-// assumes GL state is set for 2D
-void LLResizeHandle::draw()
-{
- if( mImage.notNull() && getVisible() && (RIGHT_BOTTOM == mCorner) )
- {
- mImage->draw(0, 0);
- }
-}
-
-
-bool LLResizeHandle::pointInHandle( S32 x, S32 y )
-{
- if( pointInView(x, y) )
- {
- const S32 TOP_BORDER = (getRect().getHeight() - RESIZE_BORDER_WIDTH);
- const S32 RIGHT_BORDER = (getRect().getWidth() - RESIZE_BORDER_WIDTH);
-
- switch( mCorner )
- {
- case LEFT_TOP: return (x <= RESIZE_BORDER_WIDTH) || (y >= TOP_BORDER);
- case LEFT_BOTTOM: return (x <= RESIZE_BORDER_WIDTH) || (y <= RESIZE_BORDER_WIDTH);
- case RIGHT_TOP: return (x >= RIGHT_BORDER) || (y >= TOP_BORDER);
- case RIGHT_BOTTOM: return true;
- }
- }
- return false;
-}
+/** + * @file llresizehandle.cpp + * @brief LLResizeHandle base class + * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. + * + * 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; + * version 2.1 of the License only. + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "linden_common.h" + +#include "llresizehandle.h" + +#include "llfocusmgr.h" +#include "llmath.h" +#include "llui.h" +#include "llmenugl.h" +#include "llcontrol.h" +#include "llfloater.h" +#include "llwindow.h" + +const S32 RESIZE_BORDER_WIDTH = 3; + +LLResizeHandle::Params::Params() +: corner("corner"), + min_width("min_width"), + min_height("min_height") +{ + name = "resize_handle"; +} + +LLResizeHandle::LLResizeHandle(const LLResizeHandle::Params& p) +: LLView(p), + mDragLastScreenX( 0 ), + mDragLastScreenY( 0 ), + mLastMouseScreenX( 0 ), + mLastMouseScreenY( 0 ), + mImage( NULL ), + mMinWidth( p.min_width ), + mMinHeight( p.min_height ), + mCorner( p.corner ) +{ + if( RIGHT_BOTTOM == mCorner) + { + mImage = LLUI::getUIImage("Resize_Corner"); + } + switch( p.corner ) + { + case LEFT_TOP: setFollows( FOLLOWS_LEFT | FOLLOWS_TOP ); break; + case LEFT_BOTTOM: setFollows( FOLLOWS_LEFT | FOLLOWS_BOTTOM ); break; + case RIGHT_TOP: setFollows( FOLLOWS_RIGHT | FOLLOWS_TOP ); break; + case RIGHT_BOTTOM: setFollows( FOLLOWS_RIGHT | FOLLOWS_BOTTOM ); break; + } +} + +LLResizeHandle::~LLResizeHandle() +{ + gFocusMgr.removeKeyboardFocusWithoutCallback(this); +} + + +bool LLResizeHandle::handleMouseDown(S32 x, S32 y, MASK mask) +{ + bool handled = false; + if( pointInHandle(x, y) ) + { + handled = true; + // Route future Mouse messages here preemptively. (Release on mouse up.) + // No handler needed for focus lost since this clas has no state that depends on it. + gFocusMgr.setMouseCapture( this ); + + localPointToScreen(x, y, &mDragLastScreenX, &mDragLastScreenY); + mLastMouseScreenX = mDragLastScreenX; + mLastMouseScreenY = mDragLastScreenY; + } + + return handled; +} + + +bool LLResizeHandle::handleMouseUp(S32 x, S32 y, MASK mask) +{ + bool handled = false; + + if( hasMouseCapture() ) + { + // Release the mouse + gFocusMgr.setMouseCapture( NULL ); + handled = true; + } + else if( pointInHandle(x, y) ) + { + handled = true; + } + + return handled; +} + + +bool LLResizeHandle::handleHover(S32 x, S32 y, MASK mask) +{ + bool handled = false; + + // We only handle the click if the click both started and ended within us + if( hasMouseCapture() ) + { + // Make sure the mouse in still over the application. We don't want to make the parent + // so big that we can't see the resize handle any more. + + S32 screen_x; + S32 screen_y; + localPointToScreen(x, y, &screen_x, &screen_y); + const LLRect valid_rect = getRootView()->getRect(); + screen_x = llclamp( screen_x, valid_rect.mLeft, valid_rect.mRight ); + screen_y = llclamp( screen_y, valid_rect.mBottom, valid_rect.mTop ); + + LLView* resizing_view = getParent(); + if( resizing_view ) + { + // undock floater when user resize it + LLFloater* floater_parent = dynamic_cast<LLFloater*>(getParent()); + if (floater_parent && floater_parent->isDocked()) + { + floater_parent->setDocked(false, false); + } + + // Resize the parent + LLRect orig_rect = resizing_view->getRect(); + LLRect scaled_rect = orig_rect; + S32 delta_x = screen_x - mDragLastScreenX; + S32 delta_y = screen_y - mDragLastScreenY; + LLCoordGL mouse_dir; + // use hysteresis on mouse motion to preserve user intent when mouse stops moving + mouse_dir.mX = (screen_x == mLastMouseScreenX) ? mLastMouseDir.mX : screen_x - mLastMouseScreenX; + mouse_dir.mY = (screen_y == mLastMouseScreenY) ? mLastMouseDir.mY : screen_y - mLastMouseScreenY; + mLastMouseScreenX = screen_x; + mLastMouseScreenY = screen_y; + mLastMouseDir = mouse_dir; + + S32 x_multiple = 1; + S32 y_multiple = 1; + switch( mCorner ) + { + case LEFT_TOP: + x_multiple = -1; + y_multiple = 1; + break; + case LEFT_BOTTOM: + x_multiple = -1; + y_multiple = -1; + break; + case RIGHT_TOP: + x_multiple = 1; + y_multiple = 1; + break; + case RIGHT_BOTTOM: + x_multiple = 1; + y_multiple = -1; + break; + } + + S32 new_width = orig_rect.getWidth() + x_multiple * delta_x; + if( new_width < mMinWidth ) + { + new_width = mMinWidth; + delta_x = x_multiple * (mMinWidth - orig_rect.getWidth()); + } + + S32 new_height = orig_rect.getHeight() + y_multiple * delta_y; + if( new_height < mMinHeight ) + { + new_height = mMinHeight; + delta_y = y_multiple * (mMinHeight - orig_rect.getHeight()); + } + + switch( mCorner ) + { + case LEFT_TOP: + scaled_rect.translate(delta_x, 0); + break; + case LEFT_BOTTOM: + scaled_rect.translate(delta_x, delta_y); + break; + case RIGHT_TOP: + break; + case RIGHT_BOTTOM: + scaled_rect.translate(0, delta_y); + break; + } + + // temporarily set new parent rect + scaled_rect.mRight = scaled_rect.mLeft + new_width; + scaled_rect.mTop = scaled_rect.mBottom + new_height; + resizing_view->setRect(scaled_rect); + + LLView* snap_view = NULL; + LLView* test_view = NULL; + + static LLUICachedControl<S32> snap_margin ("SnapMargin", 0); + // now do snapping + switch(mCorner) + { + case LEFT_TOP: + snap_view = resizing_view->findSnapEdge(scaled_rect.mLeft, mouse_dir, SNAP_LEFT, SNAP_PARENT_AND_SIBLINGS, snap_margin); + test_view = resizing_view->findSnapEdge(scaled_rect.mTop, mouse_dir, SNAP_TOP, SNAP_PARENT_AND_SIBLINGS, snap_margin); + if (!snap_view) + { + snap_view = test_view; + } + break; + case LEFT_BOTTOM: + snap_view = resizing_view->findSnapEdge(scaled_rect.mLeft, mouse_dir, SNAP_LEFT, SNAP_PARENT_AND_SIBLINGS, snap_margin); + test_view = resizing_view->findSnapEdge(scaled_rect.mBottom, mouse_dir, SNAP_BOTTOM, SNAP_PARENT_AND_SIBLINGS, snap_margin); + if (!snap_view) + { + snap_view = test_view; + } + break; + case RIGHT_TOP: + snap_view = resizing_view->findSnapEdge(scaled_rect.mRight, mouse_dir, SNAP_RIGHT, SNAP_PARENT_AND_SIBLINGS, snap_margin); + test_view = resizing_view->findSnapEdge(scaled_rect.mTop, mouse_dir, SNAP_TOP, SNAP_PARENT_AND_SIBLINGS, snap_margin); + if (!snap_view) + { + snap_view = test_view; + } + break; + case RIGHT_BOTTOM: + snap_view = resizing_view->findSnapEdge(scaled_rect.mRight, mouse_dir, SNAP_RIGHT, SNAP_PARENT_AND_SIBLINGS, snap_margin); + test_view = resizing_view->findSnapEdge(scaled_rect.mBottom, mouse_dir, SNAP_BOTTOM, SNAP_PARENT_AND_SIBLINGS, snap_margin); + if (!snap_view) + { + snap_view = test_view; + } + break; + } + + // register "snap" behavior with snapped view + resizing_view->setSnappedTo(snap_view); + + // reset parent rect + resizing_view->setRect(orig_rect); + + // translate and scale to new shape + resizing_view->setShape(scaled_rect, true); + + // update last valid mouse cursor position based on resized view's actual size + LLRect new_rect = resizing_view->getRect(); + S32 actual_delta_x = 0; + S32 actual_delta_y = 0; + switch(mCorner) + { + case LEFT_TOP: + actual_delta_x = new_rect.mLeft - orig_rect.mLeft; + actual_delta_y = new_rect.mTop - orig_rect.mTop; + if (actual_delta_x != delta_x + || actual_delta_y != delta_y) + { + new_rect.mRight = orig_rect.mRight; + new_rect.mBottom = orig_rect.mBottom; + resizing_view->setShape(new_rect, true); + } + + mDragLastScreenX += actual_delta_x; + mDragLastScreenY += actual_delta_y; + break; + case LEFT_BOTTOM: + actual_delta_x = new_rect.mLeft - orig_rect.mLeft; + actual_delta_y = new_rect.mBottom - orig_rect.mBottom; + if (actual_delta_x != delta_x + || actual_delta_y != delta_y) + { + new_rect.mRight = orig_rect.mRight; + new_rect.mTop = orig_rect.mTop; + resizing_view->setShape(new_rect, true); + } + + mDragLastScreenX += actual_delta_x; + mDragLastScreenY += actual_delta_y; + break; + case RIGHT_TOP: + actual_delta_x = new_rect.mRight - orig_rect.mRight; + actual_delta_y = new_rect.mTop - orig_rect.mTop; + if (actual_delta_x != delta_x + || actual_delta_y != delta_y) + { + new_rect.mLeft = orig_rect.mLeft; + new_rect.mBottom = orig_rect.mBottom; + resizing_view->setShape(new_rect, true); + } + + mDragLastScreenX += actual_delta_x; + mDragLastScreenY += actual_delta_y; + break; + case RIGHT_BOTTOM: + actual_delta_x = new_rect.mRight - orig_rect.mRight; + actual_delta_y = new_rect.mBottom - orig_rect.mBottom; + if (actual_delta_x != delta_x + || actual_delta_y != delta_y) + { + new_rect.mLeft = orig_rect.mLeft; + new_rect.mTop = orig_rect.mTop; + resizing_view->setShape(new_rect, true); + } + + mDragLastScreenX += actual_delta_x; + mDragLastScreenY += actual_delta_y; + break; + default: + break; + } + } + + handled = true; + } + else // don't have mouse capture + { + if( pointInHandle( x, y ) ) + { + handled = true; + } + } + + if( handled ) + { + switch( mCorner ) + { + case RIGHT_BOTTOM: + case LEFT_TOP: + getWindow()->setCursor(UI_CURSOR_SIZENWSE); + break; + case LEFT_BOTTOM: + case RIGHT_TOP: + getWindow()->setCursor(UI_CURSOR_SIZENESW); + break; + } + } + + return handled; +} // end handleHover + + +// assumes GL state is set for 2D +void LLResizeHandle::draw() +{ + if( mImage.notNull() && getVisible() && (RIGHT_BOTTOM == mCorner) ) + { + mImage->draw(0, 0); + } +} + + +bool LLResizeHandle::pointInHandle( S32 x, S32 y ) +{ + if( pointInView(x, y) ) + { + const S32 TOP_BORDER = (getRect().getHeight() - RESIZE_BORDER_WIDTH); + const S32 RIGHT_BORDER = (getRect().getWidth() - RESIZE_BORDER_WIDTH); + + switch( mCorner ) + { + case LEFT_TOP: return (x <= RESIZE_BORDER_WIDTH) || (y >= TOP_BORDER); + case LEFT_BOTTOM: return (x <= RESIZE_BORDER_WIDTH) || (y <= RESIZE_BORDER_WIDTH); + case RIGHT_TOP: return (x >= RIGHT_BORDER) || (y >= TOP_BORDER); + case RIGHT_BOTTOM: return true; + } + } + return false; +} |