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 760174a878..55eeae6963 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;
+}
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