summaryrefslogtreecommitdiff
path: root/indra/llui/llscrollbar.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'indra/llui/llscrollbar.cpp')
-rw-r--r--indra/llui/llscrollbar.cpp1008
1 files changed, 504 insertions, 504 deletions
diff --git a/indra/llui/llscrollbar.cpp b/indra/llui/llscrollbar.cpp
index b2be9fb1e1..fda4a750cd 100644
--- a/indra/llui/llscrollbar.cpp
+++ b/indra/llui/llscrollbar.cpp
@@ -1,25 +1,25 @@
-/**
+/**
* @file llscrollbar.cpp
* @brief Scrollbar UI widget
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
@@ -45,549 +45,549 @@
static LLDefaultChildRegistry::Register<LLScrollbar> register_scrollbar("scroll_bar");
LLScrollbar::Params::Params()
-: orientation ("orientation", HORIZONTAL),
- doc_size ("doc_size", 0),
- doc_pos ("doc_pos", 0),
- page_size ("page_size", 0),
- step_size ("step_size", 1),
- thumb_image_vertical("thumb_image_vertical"),
- thumb_image_horizontal("thumb_image_horizontal"),
- track_image_vertical("track_image_vertical"),
- track_image_horizontal("track_image_horizontal"),
- track_color("track_color"),
- thumb_color("thumb_color"),
- thickness("thickness"),
- up_button("up_button"),
- down_button("down_button"),
- left_button("left_button"),
- right_button("right_button"),
- bg_visible("bg_visible", false),
- bg_color("bg_color", LLColor4::black)
+: orientation ("orientation", HORIZONTAL),
+ doc_size ("doc_size", 0),
+ doc_pos ("doc_pos", 0),
+ page_size ("page_size", 0),
+ step_size ("step_size", 1),
+ thumb_image_vertical("thumb_image_vertical"),
+ thumb_image_horizontal("thumb_image_horizontal"),
+ track_image_vertical("track_image_vertical"),
+ track_image_horizontal("track_image_horizontal"),
+ track_color("track_color"),
+ thumb_color("thumb_color"),
+ thickness("thickness"),
+ up_button("up_button"),
+ down_button("down_button"),
+ left_button("left_button"),
+ right_button("right_button"),
+ bg_visible("bg_visible", false),
+ bg_color("bg_color", LLColor4::black)
{}
LLScrollbar::LLScrollbar(const Params & p)
-: LLUICtrl(p),
- mChangeCallback( p.change_callback() ),
- mOrientation( p.orientation ),
- mDocSize( p.doc_size ),
- mDocPos( p.doc_pos ),
- mPageSize( p.page_size ),
- mStepSize( p.step_size ),
- mDocChanged(FALSE),
- mDragStartX( 0 ),
- mDragStartY( 0 ),
- mHoverGlowStrength(0.15f),
- mCurGlowStrength(0.f),
- mTrackColor( p.track_color() ),
- mThumbColor ( p.thumb_color() ),
- mThumbImageV(p.thumb_image_vertical),
- mThumbImageH(p.thumb_image_horizontal),
- mTrackImageV(p.track_image_vertical),
- mTrackImageH(p.track_image_horizontal),
- mThickness(p.thickness.isProvided() ? p.thickness : LLUI::getInstance()->mSettingGroups["config"]->getS32("UIScrollbarSize")),
- mBGVisible(p.bg_visible),
- mBGColor(p.bg_color)
+: LLUICtrl(p),
+ mChangeCallback( p.change_callback() ),
+ mOrientation( p.orientation ),
+ mDocSize( p.doc_size ),
+ mDocPos( p.doc_pos ),
+ mPageSize( p.page_size ),
+ mStepSize( p.step_size ),
+ mDocChanged(FALSE),
+ mDragStartX( 0 ),
+ mDragStartY( 0 ),
+ mHoverGlowStrength(0.15f),
+ mCurGlowStrength(0.f),
+ mTrackColor( p.track_color() ),
+ mThumbColor ( p.thumb_color() ),
+ mThumbImageV(p.thumb_image_vertical),
+ mThumbImageH(p.thumb_image_horizontal),
+ mTrackImageV(p.track_image_vertical),
+ mTrackImageH(p.track_image_horizontal),
+ mThickness(p.thickness.isProvided() ? p.thickness : LLUI::getInstance()->mSettingGroups["config"]->getS32("UIScrollbarSize")),
+ mBGVisible(p.bg_visible),
+ mBGColor(p.bg_color)
{
- updateThumbRect();
-
- // Page up and page down buttons
- LLRect line_up_rect;
- LLRect line_down_rect;
-
- if( VERTICAL == mOrientation )
- {
- line_up_rect.setLeftTopAndSize( 0, getRect().getHeight(), mThickness, mThickness );
- line_down_rect.setOriginAndSize( 0, 0, mThickness, mThickness );
- }
- else // HORIZONTAL
- {
- line_up_rect.setOriginAndSize( 0, 0, mThickness, mThickness );
- line_down_rect.setOriginAndSize( getRect().getWidth() - mThickness, 0, mThickness, mThickness );
- }
-
- LLButton::Params up_btn(mOrientation == VERTICAL ? p.up_button : p.left_button);
- up_btn.name(std::string("Line Up"));
- up_btn.rect(line_up_rect);
- up_btn.click_callback.function(boost::bind(&LLScrollbar::onLineUpBtnPressed, this, _2));
- up_btn.mouse_held_callback.function(boost::bind(&LLScrollbar::onLineUpBtnPressed, this, _2));
- up_btn.tab_stop(false);
- up_btn.follows.flags = (mOrientation == VERTICAL ? (FOLLOWS_RIGHT | FOLLOWS_TOP) : (FOLLOWS_LEFT | FOLLOWS_BOTTOM));
-
- addChild(LLUICtrlFactory::create<LLButton>(up_btn));
-
- LLButton::Params down_btn(mOrientation == VERTICAL ? p.down_button : p.right_button);
- down_btn.name(std::string("Line Down"));
- down_btn.rect(line_down_rect);
- down_btn.follows.flags(FOLLOWS_RIGHT|FOLLOWS_BOTTOM);
- down_btn.click_callback.function(boost::bind(&LLScrollbar::onLineDownBtnPressed, this, _2));
- down_btn.mouse_held_callback.function(boost::bind(&LLScrollbar::onLineDownBtnPressed, this, _2));
- down_btn.tab_stop(false);
-
- addChild(LLUICtrlFactory::create<LLButton>(down_btn));
+ updateThumbRect();
+
+ // Page up and page down buttons
+ LLRect line_up_rect;
+ LLRect line_down_rect;
+
+ if( VERTICAL == mOrientation )
+ {
+ line_up_rect.setLeftTopAndSize( 0, getRect().getHeight(), mThickness, mThickness );
+ line_down_rect.setOriginAndSize( 0, 0, mThickness, mThickness );
+ }
+ else // HORIZONTAL
+ {
+ line_up_rect.setOriginAndSize( 0, 0, mThickness, mThickness );
+ line_down_rect.setOriginAndSize( getRect().getWidth() - mThickness, 0, mThickness, mThickness );
+ }
+
+ LLButton::Params up_btn(mOrientation == VERTICAL ? p.up_button : p.left_button);
+ up_btn.name(std::string("Line Up"));
+ up_btn.rect(line_up_rect);
+ up_btn.click_callback.function(boost::bind(&LLScrollbar::onLineUpBtnPressed, this, _2));
+ up_btn.mouse_held_callback.function(boost::bind(&LLScrollbar::onLineUpBtnPressed, this, _2));
+ up_btn.tab_stop(false);
+ up_btn.follows.flags = (mOrientation == VERTICAL ? (FOLLOWS_RIGHT | FOLLOWS_TOP) : (FOLLOWS_LEFT | FOLLOWS_BOTTOM));
+
+ addChild(LLUICtrlFactory::create<LLButton>(up_btn));
+
+ LLButton::Params down_btn(mOrientation == VERTICAL ? p.down_button : p.right_button);
+ down_btn.name(std::string("Line Down"));
+ down_btn.rect(line_down_rect);
+ down_btn.follows.flags(FOLLOWS_RIGHT|FOLLOWS_BOTTOM);
+ down_btn.click_callback.function(boost::bind(&LLScrollbar::onLineDownBtnPressed, this, _2));
+ down_btn.mouse_held_callback.function(boost::bind(&LLScrollbar::onLineDownBtnPressed, this, _2));
+ down_btn.tab_stop(false);
+
+ addChild(LLUICtrlFactory::create<LLButton>(down_btn));
}
LLScrollbar::~LLScrollbar()
{
- // Children buttons killed by parent class
+ // Children buttons killed by parent class
}
void LLScrollbar::setDocParams( S32 size, S32 pos )
{
- mDocSize = size;
- setDocPos(pos);
- mDocChanged = TRUE;
+ mDocSize = size;
+ setDocPos(pos);
+ mDocChanged = TRUE;
- updateThumbRect();
+ updateThumbRect();
}
// returns true if document position really changed
bool LLScrollbar::setDocPos(S32 pos, BOOL update_thumb)
{
- pos = llclamp(pos, 0, getDocPosMax());
- if (pos != mDocPos)
- {
- mDocPos = pos;
- mDocChanged = TRUE;
-
- if( mChangeCallback )
- {
- mChangeCallback( mDocPos, this );
- }
-
- if( update_thumb )
- {
- updateThumbRect();
- }
- return true;
- }
- return false;
+ pos = llclamp(pos, 0, getDocPosMax());
+ if (pos != mDocPos)
+ {
+ mDocPos = pos;
+ mDocChanged = TRUE;
+
+ if( mChangeCallback )
+ {
+ mChangeCallback( mDocPos, this );
+ }
+
+ if( update_thumb )
+ {
+ updateThumbRect();
+ }
+ return true;
+ }
+ return false;
}
void LLScrollbar::setDocSize(S32 size)
{
- if (size != mDocSize)
- {
- mDocSize = size;
- setDocPos(mDocPos);
- mDocChanged = TRUE;
-
- updateThumbRect();
- }
+ if (size != mDocSize)
+ {
+ mDocSize = size;
+ setDocPos(mDocPos);
+ mDocChanged = TRUE;
+
+ updateThumbRect();
+ }
}
void LLScrollbar::setPageSize( S32 page_size )
{
- if (page_size != mPageSize)
- {
- mPageSize = page_size;
- setDocPos(mDocPos);
- mDocChanged = TRUE;
-
- updateThumbRect();
- }
+ if (page_size != mPageSize)
+ {
+ mPageSize = page_size;
+ setDocPos(mDocPos);
+ mDocChanged = TRUE;
+
+ updateThumbRect();
+ }
}
bool LLScrollbar::isAtBeginning() const
{
- return mDocPos == 0;
+ return mDocPos == 0;
}
bool LLScrollbar::isAtEnd() const
{
- return mDocPos == getDocPosMax();
+ return mDocPos == getDocPosMax();
}
void LLScrollbar::updateThumbRect()
{
-// llassert( 0 <= mDocSize );
-// llassert( 0 <= mDocPos && mDocPos <= getDocPosMax() );
-
- const S32 THUMB_MIN_LENGTH = 16;
-
- S32 window_length = (mOrientation == LLScrollbar::HORIZONTAL) ? getRect().getWidth() : getRect().getHeight();
- S32 thumb_bg_length = llmax(0, window_length - 2 * mThickness);
- S32 visible_lines = llmin( mDocSize, mPageSize );
- S32 thumb_length = mDocSize ? llmin(llmax( visible_lines * thumb_bg_length / mDocSize, THUMB_MIN_LENGTH), thumb_bg_length) : thumb_bg_length;
-
- S32 variable_lines = mDocSize - visible_lines;
-
- if( mOrientation == LLScrollbar::VERTICAL )
- {
- S32 thumb_start_max = thumb_bg_length + mThickness;
- S32 thumb_start_min = mThickness + THUMB_MIN_LENGTH;
- S32 thumb_start = variable_lines ? llmin( llmax(thumb_start_max - (mDocPos * (thumb_bg_length - thumb_length)) / variable_lines, thumb_start_min), thumb_start_max ) : thumb_start_max;
-
- mThumbRect.mLeft = 0;
- mThumbRect.mTop = thumb_start;
- mThumbRect.mRight = mThickness;
- mThumbRect.mBottom = thumb_start - thumb_length;
- }
- else
- {
- // Horizontal
- S32 thumb_start_max = thumb_bg_length + mThickness - thumb_length;
- S32 thumb_start_min = mThickness;
- S32 thumb_start = variable_lines ? llmin(llmax( thumb_start_min + (mDocPos * (thumb_bg_length - thumb_length)) / variable_lines, thumb_start_min), thumb_start_max ) : thumb_start_min;
-
- mThumbRect.mLeft = thumb_start;
- mThumbRect.mTop = mThickness;
- mThumbRect.mRight = thumb_start + thumb_length;
- mThumbRect.mBottom = 0;
- }
+// llassert( 0 <= mDocSize );
+// llassert( 0 <= mDocPos && mDocPos <= getDocPosMax() );
+
+ const S32 THUMB_MIN_LENGTH = 16;
+
+ S32 window_length = (mOrientation == LLScrollbar::HORIZONTAL) ? getRect().getWidth() : getRect().getHeight();
+ S32 thumb_bg_length = llmax(0, window_length - 2 * mThickness);
+ S32 visible_lines = llmin( mDocSize, mPageSize );
+ S32 thumb_length = mDocSize ? llmin(llmax( visible_lines * thumb_bg_length / mDocSize, THUMB_MIN_LENGTH), thumb_bg_length) : thumb_bg_length;
+
+ S32 variable_lines = mDocSize - visible_lines;
+
+ if( mOrientation == LLScrollbar::VERTICAL )
+ {
+ S32 thumb_start_max = thumb_bg_length + mThickness;
+ S32 thumb_start_min = mThickness + THUMB_MIN_LENGTH;
+ S32 thumb_start = variable_lines ? llmin( llmax(thumb_start_max - (mDocPos * (thumb_bg_length - thumb_length)) / variable_lines, thumb_start_min), thumb_start_max ) : thumb_start_max;
+
+ mThumbRect.mLeft = 0;
+ mThumbRect.mTop = thumb_start;
+ mThumbRect.mRight = mThickness;
+ mThumbRect.mBottom = thumb_start - thumb_length;
+ }
+ else
+ {
+ // Horizontal
+ S32 thumb_start_max = thumb_bg_length + mThickness - thumb_length;
+ S32 thumb_start_min = mThickness;
+ S32 thumb_start = variable_lines ? llmin(llmax( thumb_start_min + (mDocPos * (thumb_bg_length - thumb_length)) / variable_lines, thumb_start_min), thumb_start_max ) : thumb_start_min;
+
+ mThumbRect.mLeft = thumb_start;
+ mThumbRect.mTop = mThickness;
+ mThumbRect.mRight = thumb_start + thumb_length;
+ mThumbRect.mBottom = 0;
+ }
}
BOOL LLScrollbar::handleMouseDown(S32 x, S32 y, MASK mask)
{
- // Check children first
- BOOL handled_by_child = LLView::childrenHandleMouseDown(x, y, mask) != NULL;
- if( !handled_by_child )
- {
- if( mThumbRect.pointInRect(x,y) )
- {
- // Start dragging the thumb
- // No handler needed for focus lost since this clas has no state that depends on it.
- gFocusMgr.setMouseCapture( this );
- mDragStartX = x;
- mDragStartY = y;
- mOrigRect.mTop = mThumbRect.mTop;
- mOrigRect.mBottom = mThumbRect.mBottom;
- mOrigRect.mLeft = mThumbRect.mLeft;
- mOrigRect.mRight = mThumbRect.mRight;
- mLastDelta = 0;
- }
- else
- {
- if(
- ( (LLScrollbar::VERTICAL == mOrientation) && (mThumbRect.mTop < y) ) ||
- ( (LLScrollbar::HORIZONTAL == mOrientation) && (x < mThumbRect.mLeft) )
- )
- {
- // Page up
- pageUp(0);
- }
- else
- if(
- ( (LLScrollbar::VERTICAL == mOrientation) && (y < mThumbRect.mBottom) ) ||
- ( (LLScrollbar::HORIZONTAL == mOrientation) && (mThumbRect.mRight < x) )
- )
- {
- // Page down
- pageDown(0);
- }
- }
- }
-
- return TRUE;
+ // Check children first
+ BOOL handled_by_child = LLView::childrenHandleMouseDown(x, y, mask) != NULL;
+ if( !handled_by_child )
+ {
+ if( mThumbRect.pointInRect(x,y) )
+ {
+ // Start dragging the thumb
+ // No handler needed for focus lost since this clas has no state that depends on it.
+ gFocusMgr.setMouseCapture( this );
+ mDragStartX = x;
+ mDragStartY = y;
+ mOrigRect.mTop = mThumbRect.mTop;
+ mOrigRect.mBottom = mThumbRect.mBottom;
+ mOrigRect.mLeft = mThumbRect.mLeft;
+ mOrigRect.mRight = mThumbRect.mRight;
+ mLastDelta = 0;
+ }
+ else
+ {
+ if(
+ ( (LLScrollbar::VERTICAL == mOrientation) && (mThumbRect.mTop < y) ) ||
+ ( (LLScrollbar::HORIZONTAL == mOrientation) && (x < mThumbRect.mLeft) )
+ )
+ {
+ // Page up
+ pageUp(0);
+ }
+ else
+ if(
+ ( (LLScrollbar::VERTICAL == mOrientation) && (y < mThumbRect.mBottom) ) ||
+ ( (LLScrollbar::HORIZONTAL == mOrientation) && (mThumbRect.mRight < x) )
+ )
+ {
+ // Page down
+ pageDown(0);
+ }
+ }
+ }
+
+ return TRUE;
}
BOOL LLScrollbar::handleHover(S32 x, S32 y, MASK mask)
{
- // Note: we don't bother sending the event to the children (the arrow buttons)
- // because they'll capture the mouse whenever they need hover events.
-
- BOOL handled = FALSE;
- if( hasMouseCapture() )
- {
- S32 height = getRect().getHeight();
- S32 width = getRect().getWidth();
-
- if( VERTICAL == mOrientation )
- {
-// S32 old_pos = mThumbRect.mTop;
-
- S32 delta_pixels = y - mDragStartY;
- if( mOrigRect.mBottom + delta_pixels < mThickness )
- {
- delta_pixels = mThickness - mOrigRect.mBottom - 1;
- }
- else
- if( mOrigRect.mTop + delta_pixels > height - mThickness )
- {
- delta_pixels = height - mThickness - mOrigRect.mTop + 1;
- }
-
- mThumbRect.mTop = mOrigRect.mTop + delta_pixels;
- mThumbRect.mBottom = mOrigRect.mBottom + delta_pixels;
-
- S32 thumb_length = mThumbRect.getHeight();
- S32 thumb_track_length = height - 2 * mThickness;
-
-
- if( delta_pixels != mLastDelta || mDocChanged)
- {
- // Note: delta_pixels increases as you go up. mDocPos increases down (line 0 is at the top of the page).
- S32 usable_track_length = thumb_track_length - thumb_length;
- if( 0 < usable_track_length )
- {
- S32 variable_lines = getDocPosMax();
- S32 pos = mThumbRect.mTop;
- F32 ratio = F32(pos - mThickness - thumb_length) / usable_track_length;
-
- S32 new_pos = llclamp( S32(variable_lines - ratio * variable_lines + 0.5f), 0, variable_lines );
- // Note: we do not call updateThumbRect() here. Instead we let the thumb and the document go slightly
- // out of sync (less than a line's worth) to make the thumb feel responsive.
- changeLine( new_pos - mDocPos, FALSE );
- }
- }
-
- mLastDelta = delta_pixels;
-
- }
- else
- {
- // Horizontal
-// S32 old_pos = mThumbRect.mLeft;
-
- S32 delta_pixels = x - mDragStartX;
-
- if( mOrigRect.mLeft + delta_pixels < mThickness )
- {
- delta_pixels = mThickness - mOrigRect.mLeft - 1;
- }
- else
- if( mOrigRect.mRight + delta_pixels > width - mThickness )
- {
- delta_pixels = width - mThickness - mOrigRect.mRight + 1;
- }
-
- mThumbRect.mLeft = mOrigRect.mLeft + delta_pixels;
- mThumbRect.mRight = mOrigRect.mRight + delta_pixels;
-
- S32 thumb_length = mThumbRect.getWidth();
- S32 thumb_track_length = width - 2 * mThickness;
-
- if( delta_pixels != mLastDelta || mDocChanged)
- {
- // Note: delta_pixels increases as you go up. mDocPos increases down (line 0 is at the top of the page).
- S32 usable_track_length = thumb_track_length - thumb_length;
- if( 0 < usable_track_length )
- {
- S32 variable_lines = getDocPosMax();
- S32 pos = mThumbRect.mLeft;
- F32 ratio = F32(pos - mThickness) / usable_track_length;
-
- S32 new_pos = llclamp( S32(ratio * variable_lines + 0.5f), 0, variable_lines);
-
- // Note: we do not call updateThumbRect() here. Instead we let the thumb and the document go slightly
- // out of sync (less than a line's worth) to make the thumb feel responsive.
- changeLine( new_pos - mDocPos, FALSE );
- }
- }
-
- mLastDelta = delta_pixels;
- }
-
- getWindow()->setCursor(UI_CURSOR_ARROW);
- LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (active)" << LL_ENDL;
- handled = TRUE;
- }
- else
- {
- handled = childrenHandleHover( x, y, mask ) != NULL;
- }
-
- // Opaque
- if( !handled )
- {
- getWindow()->setCursor(UI_CURSOR_ARROW);
- LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (inactive)" << LL_ENDL;
- handled = TRUE;
- }
-
- mDocChanged = FALSE;
- return handled;
+ // Note: we don't bother sending the event to the children (the arrow buttons)
+ // because they'll capture the mouse whenever they need hover events.
+
+ BOOL handled = FALSE;
+ if( hasMouseCapture() )
+ {
+ S32 height = getRect().getHeight();
+ S32 width = getRect().getWidth();
+
+ if( VERTICAL == mOrientation )
+ {
+// S32 old_pos = mThumbRect.mTop;
+
+ S32 delta_pixels = y - mDragStartY;
+ if( mOrigRect.mBottom + delta_pixels < mThickness )
+ {
+ delta_pixels = mThickness - mOrigRect.mBottom - 1;
+ }
+ else
+ if( mOrigRect.mTop + delta_pixels > height - mThickness )
+ {
+ delta_pixels = height - mThickness - mOrigRect.mTop + 1;
+ }
+
+ mThumbRect.mTop = mOrigRect.mTop + delta_pixels;
+ mThumbRect.mBottom = mOrigRect.mBottom + delta_pixels;
+
+ S32 thumb_length = mThumbRect.getHeight();
+ S32 thumb_track_length = height - 2 * mThickness;
+
+
+ if( delta_pixels != mLastDelta || mDocChanged)
+ {
+ // Note: delta_pixels increases as you go up. mDocPos increases down (line 0 is at the top of the page).
+ S32 usable_track_length = thumb_track_length - thumb_length;
+ if( 0 < usable_track_length )
+ {
+ S32 variable_lines = getDocPosMax();
+ S32 pos = mThumbRect.mTop;
+ F32 ratio = F32(pos - mThickness - thumb_length) / usable_track_length;
+
+ S32 new_pos = llclamp( S32(variable_lines - ratio * variable_lines + 0.5f), 0, variable_lines );
+ // Note: we do not call updateThumbRect() here. Instead we let the thumb and the document go slightly
+ // out of sync (less than a line's worth) to make the thumb feel responsive.
+ changeLine( new_pos - mDocPos, FALSE );
+ }
+ }
+
+ mLastDelta = delta_pixels;
+
+ }
+ else
+ {
+ // Horizontal
+// S32 old_pos = mThumbRect.mLeft;
+
+ S32 delta_pixels = x - mDragStartX;
+
+ if( mOrigRect.mLeft + delta_pixels < mThickness )
+ {
+ delta_pixels = mThickness - mOrigRect.mLeft - 1;
+ }
+ else
+ if( mOrigRect.mRight + delta_pixels > width - mThickness )
+ {
+ delta_pixels = width - mThickness - mOrigRect.mRight + 1;
+ }
+
+ mThumbRect.mLeft = mOrigRect.mLeft + delta_pixels;
+ mThumbRect.mRight = mOrigRect.mRight + delta_pixels;
+
+ S32 thumb_length = mThumbRect.getWidth();
+ S32 thumb_track_length = width - 2 * mThickness;
+
+ if( delta_pixels != mLastDelta || mDocChanged)
+ {
+ // Note: delta_pixels increases as you go up. mDocPos increases down (line 0 is at the top of the page).
+ S32 usable_track_length = thumb_track_length - thumb_length;
+ if( 0 < usable_track_length )
+ {
+ S32 variable_lines = getDocPosMax();
+ S32 pos = mThumbRect.mLeft;
+ F32 ratio = F32(pos - mThickness) / usable_track_length;
+
+ S32 new_pos = llclamp( S32(ratio * variable_lines + 0.5f), 0, variable_lines);
+
+ // Note: we do not call updateThumbRect() here. Instead we let the thumb and the document go slightly
+ // out of sync (less than a line's worth) to make the thumb feel responsive.
+ changeLine( new_pos - mDocPos, FALSE );
+ }
+ }
+
+ mLastDelta = delta_pixels;
+ }
+
+ getWindow()->setCursor(UI_CURSOR_ARROW);
+ LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (active)" << LL_ENDL;
+ handled = TRUE;
+ }
+ else
+ {
+ handled = childrenHandleHover( x, y, mask ) != NULL;
+ }
+
+ // Opaque
+ if( !handled )
+ {
+ getWindow()->setCursor(UI_CURSOR_ARROW);
+ LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (inactive)" << LL_ENDL;
+ handled = TRUE;
+ }
+
+ mDocChanged = FALSE;
+ return handled;
} // end handleHover
BOOL LLScrollbar::handleScrollWheel(S32 x, S32 y, S32 clicks)
{
- BOOL handled = changeLine( clicks * mStepSize, TRUE );
- return handled;
+ BOOL handled = changeLine( clicks * mStepSize, TRUE );
+ return handled;
}
BOOL LLScrollbar::handleScrollHWheel(S32 x, S32 y, S32 clicks)
{
- BOOL handled = FALSE;
- if (LLScrollbar::HORIZONTAL == mOrientation)
- {
- handled = changeLine(clicks * mStepSize, TRUE);
- }
- return handled;
+ BOOL handled = FALSE;
+ if (LLScrollbar::HORIZONTAL == mOrientation)
+ {
+ handled = changeLine(clicks * mStepSize, TRUE);
+ }
+ return handled;
}
BOOL LLScrollbar::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
- EDragAndDropType cargo_type, void *cargo_data, EAcceptance *accept, std::string &tooltip_msg)
+ EDragAndDropType cargo_type, void *cargo_data, EAcceptance *accept, std::string &tooltip_msg)
{
- // enable this to get drag and drop to control scrollbars
- //if (!drop)
- //{
- // //TODO: refactor this
- // S32 variable_lines = getDocPosMax();
- // S32 pos = (VERTICAL == mOrientation) ? y : x;
- // S32 thumb_length = (VERTICAL == mOrientation) ? mThumbRect.getHeight() : mThumbRect.getWidth();
- // S32 thumb_track_length = (VERTICAL == mOrientation) ? (getRect().getHeight() - 2 * SCROLLBAR_SIZE) : (getRect().getWidth() - 2 * SCROLLBAR_SIZE);
- // S32 usable_track_length = thumb_track_length - thumb_length;
- // F32 ratio = (VERTICAL == mOrientation) ? F32(pos - SCROLLBAR_SIZE - thumb_length) / usable_track_length
- // : F32(pos - SCROLLBAR_SIZE) / usable_track_length;
- // S32 new_pos = (VERTICAL == mOrientation) ? llclamp( S32(variable_lines - ratio * variable_lines + 0.5f), 0, variable_lines )
- // : llclamp( S32(ratio * variable_lines + 0.5f), 0, variable_lines );
- // changeLine( new_pos - mDocPos, TRUE );
- //}
- //return TRUE;
- return FALSE;
+ // enable this to get drag and drop to control scrollbars
+ //if (!drop)
+ //{
+ // //TODO: refactor this
+ // S32 variable_lines = getDocPosMax();
+ // S32 pos = (VERTICAL == mOrientation) ? y : x;
+ // S32 thumb_length = (VERTICAL == mOrientation) ? mThumbRect.getHeight() : mThumbRect.getWidth();
+ // S32 thumb_track_length = (VERTICAL == mOrientation) ? (getRect().getHeight() - 2 * SCROLLBAR_SIZE) : (getRect().getWidth() - 2 * SCROLLBAR_SIZE);
+ // S32 usable_track_length = thumb_track_length - thumb_length;
+ // F32 ratio = (VERTICAL == mOrientation) ? F32(pos - SCROLLBAR_SIZE - thumb_length) / usable_track_length
+ // : F32(pos - SCROLLBAR_SIZE) / usable_track_length;
+ // S32 new_pos = (VERTICAL == mOrientation) ? llclamp( S32(variable_lines - ratio * variable_lines + 0.5f), 0, variable_lines )
+ // : llclamp( S32(ratio * variable_lines + 0.5f), 0, variable_lines );
+ // changeLine( new_pos - mDocPos, TRUE );
+ //}
+ //return TRUE;
+ return FALSE;
}
BOOL LLScrollbar::handleMouseUp(S32 x, S32 y, MASK mask)
{
- BOOL handled = FALSE;
- if( hasMouseCapture() )
- {
- gFocusMgr.setMouseCapture( NULL );
- handled = TRUE;
- }
- else
- {
- // Opaque, so don't just check children
- handled = LLView::handleMouseUp( x, y, mask );
- }
-
- return handled;
+ BOOL handled = FALSE;
+ if( hasMouseCapture() )
+ {
+ gFocusMgr.setMouseCapture( NULL );
+ handled = TRUE;
+ }
+ else
+ {
+ // Opaque, so don't just check children
+ handled = LLView::handleMouseUp( x, y, mask );
+ }
+
+ return handled;
}
BOOL LLScrollbar::handleDoubleClick(S32 x, S32 y, MASK mask)
{
- // just treat a double click as a second click
- return handleMouseDown(x, y, mask);
+ // just treat a double click as a second click
+ return handleMouseDown(x, y, mask);
}
void LLScrollbar::reshape(S32 width, S32 height, BOOL called_from_parent)
{
- if (width == getRect().getWidth() && height == getRect().getHeight()) return;
- LLView::reshape( width, height, called_from_parent );
- LLButton* up_button = getChild<LLButton>("Line Up");
- LLButton* down_button = getChild<LLButton>("Line Down");
-
- if (mOrientation == VERTICAL)
- {
- up_button->reshape(up_button->getRect().getWidth(), llmin(getRect().getHeight() / 2, mThickness));
- down_button->reshape(down_button->getRect().getWidth(), llmin(getRect().getHeight() / 2, mThickness));
- up_button->setOrigin(0, getRect().getHeight() - up_button->getRect().getHeight());
- down_button->setOrigin(0, 0);
- }
- else
- {
- up_button->reshape(llmin(getRect().getWidth() / 2, mThickness), up_button->getRect().getHeight());
- down_button->reshape(llmin(getRect().getWidth() / 2, mThickness), down_button->getRect().getHeight());
- up_button->setOrigin(0, 0);
- down_button->setOrigin(getRect().getWidth() - down_button->getRect().getWidth(), 0);
- }
- updateThumbRect();
+ if (width == getRect().getWidth() && height == getRect().getHeight()) return;
+ LLView::reshape( width, height, called_from_parent );
+ LLButton* up_button = getChild<LLButton>("Line Up");
+ LLButton* down_button = getChild<LLButton>("Line Down");
+
+ if (mOrientation == VERTICAL)
+ {
+ up_button->reshape(up_button->getRect().getWidth(), llmin(getRect().getHeight() / 2, mThickness));
+ down_button->reshape(down_button->getRect().getWidth(), llmin(getRect().getHeight() / 2, mThickness));
+ up_button->setOrigin(0, getRect().getHeight() - up_button->getRect().getHeight());
+ down_button->setOrigin(0, 0);
+ }
+ else
+ {
+ up_button->reshape(llmin(getRect().getWidth() / 2, mThickness), up_button->getRect().getHeight());
+ down_button->reshape(llmin(getRect().getWidth() / 2, mThickness), down_button->getRect().getHeight());
+ up_button->setOrigin(0, 0);
+ down_button->setOrigin(getRect().getWidth() - down_button->getRect().getWidth(), 0);
+ }
+ updateThumbRect();
}
void LLScrollbar::draw()
{
- if (!getRect().isValid()) return;
-
- if(mBGVisible)
- {
- gl_rect_2d(getLocalRect(), mBGColor.get(), TRUE);
- }
-
- S32 local_mouse_x;
- S32 local_mouse_y;
- LLUI::getInstance()->getMousePositionLocal(this, &local_mouse_x, &local_mouse_y);
- BOOL other_captor = gFocusMgr.getMouseCapture() && gFocusMgr.getMouseCapture() != this;
- BOOL hovered = getEnabled() && !other_captor && (hasMouseCapture() || mThumbRect.pointInRect(local_mouse_x, local_mouse_y));
- if (hovered)
- {
- mCurGlowStrength = lerp(mCurGlowStrength, mHoverGlowStrength, LLSmoothInterpolation::getInterpolant(0.05f));
- }
- else
- {
- mCurGlowStrength = lerp(mCurGlowStrength, 0.f, LLSmoothInterpolation::getInterpolant(0.05f));
- }
-
- // Draw background and thumb.
- if ( ( mOrientation == VERTICAL&&(mThumbImageV.isNull() || mThumbImageH.isNull()) )
- || (mOrientation == HORIZONTAL&&(mTrackImageH.isNull() || mTrackImageV.isNull()) ))
- {
- gl_rect_2d(mOrientation == HORIZONTAL ? mThickness : 0,
- mOrientation == VERTICAL ? getRect().getHeight() - 2 * mThickness : getRect().getHeight(),
- mOrientation == HORIZONTAL ? getRect().getWidth() - 2 * mThickness : getRect().getWidth(),
- mOrientation == VERTICAL ? mThickness : 0, mTrackColor.get(), TRUE);
-
- gl_rect_2d(mThumbRect, mThumbColor.get(), TRUE);
-
- }
- else
- {
- // Thumb
- LLRect outline_rect = mThumbRect;
- outline_rect.stretch(2);
- // Background
-
- if(mOrientation == HORIZONTAL)
- {
- mTrackImageH->drawSolid(mThickness //S32 x
- , 0 //S32 y
- , getRect().getWidth() - 2 * mThickness //S32 width
- , getRect().getHeight() //S32 height
- , mTrackColor.get()); //const LLColor4& color
-
- if (gFocusMgr.getKeyboardFocus() == this)
- {
- mTrackImageH->draw(outline_rect, gFocusMgr.getFocusColor());
- }
-
- mThumbImageH->draw(mThumbRect, mThumbColor.get());
- if (mCurGlowStrength > 0.01f)
- {
- gGL.setSceneBlendType(LLRender::BT_ADD_WITH_ALPHA);
- mThumbImageH->drawSolid(mThumbRect, LLColor4(1.f, 1.f, 1.f, mCurGlowStrength));
- gGL.setSceneBlendType(LLRender::BT_ALPHA);
- }
-
- }
- else if(mOrientation == VERTICAL)
- {
- mTrackImageV->drawSolid( 0 //S32 x
- , mThickness //S32 y
- , getRect().getWidth() //S32 width
- , getRect().getHeight() - 2 * mThickness //S32 height
- , mTrackColor.get()); //const LLColor4& color
- if (gFocusMgr.getKeyboardFocus() == this)
- {
- mTrackImageV->draw(outline_rect, gFocusMgr.getFocusColor());
- }
-
- mThumbImageV->draw(mThumbRect, mThumbColor.get());
- if (mCurGlowStrength > 0.01f)
- {
- gGL.setSceneBlendType(LLRender::BT_ADD_WITH_ALPHA);
- mThumbImageV->drawSolid(mThumbRect, LLColor4(1.f, 1.f, 1.f, mCurGlowStrength));
- gGL.setSceneBlendType(LLRender::BT_ALPHA);
- }
- }
- }
-
- // Draw children
- LLView::draw();
+ if (!getRect().isValid()) return;
+
+ if(mBGVisible)
+ {
+ gl_rect_2d(getLocalRect(), mBGColor.get(), TRUE);
+ }
+
+ S32 local_mouse_x;
+ S32 local_mouse_y;
+ LLUI::getInstance()->getMousePositionLocal(this, &local_mouse_x, &local_mouse_y);
+ BOOL other_captor = gFocusMgr.getMouseCapture() && gFocusMgr.getMouseCapture() != this;
+ BOOL hovered = getEnabled() && !other_captor && (hasMouseCapture() || mThumbRect.pointInRect(local_mouse_x, local_mouse_y));
+ if (hovered)
+ {
+ mCurGlowStrength = lerp(mCurGlowStrength, mHoverGlowStrength, LLSmoothInterpolation::getInterpolant(0.05f));
+ }
+ else
+ {
+ mCurGlowStrength = lerp(mCurGlowStrength, 0.f, LLSmoothInterpolation::getInterpolant(0.05f));
+ }
+
+ // Draw background and thumb.
+ if ( ( mOrientation == VERTICAL&&(mThumbImageV.isNull() || mThumbImageH.isNull()) )
+ || (mOrientation == HORIZONTAL&&(mTrackImageH.isNull() || mTrackImageV.isNull()) ))
+ {
+ gl_rect_2d(mOrientation == HORIZONTAL ? mThickness : 0,
+ mOrientation == VERTICAL ? getRect().getHeight() - 2 * mThickness : getRect().getHeight(),
+ mOrientation == HORIZONTAL ? getRect().getWidth() - 2 * mThickness : getRect().getWidth(),
+ mOrientation == VERTICAL ? mThickness : 0, mTrackColor.get(), TRUE);
+
+ gl_rect_2d(mThumbRect, mThumbColor.get(), TRUE);
+
+ }
+ else
+ {
+ // Thumb
+ LLRect outline_rect = mThumbRect;
+ outline_rect.stretch(2);
+ // Background
+
+ if(mOrientation == HORIZONTAL)
+ {
+ mTrackImageH->drawSolid(mThickness //S32 x
+ , 0 //S32 y
+ , getRect().getWidth() - 2 * mThickness //S32 width
+ , getRect().getHeight() //S32 height
+ , mTrackColor.get()); //const LLColor4& color
+
+ if (gFocusMgr.getKeyboardFocus() == this)
+ {
+ mTrackImageH->draw(outline_rect, gFocusMgr.getFocusColor());
+ }
+
+ mThumbImageH->draw(mThumbRect, mThumbColor.get());
+ if (mCurGlowStrength > 0.01f)
+ {
+ gGL.setSceneBlendType(LLRender::BT_ADD_WITH_ALPHA);
+ mThumbImageH->drawSolid(mThumbRect, LLColor4(1.f, 1.f, 1.f, mCurGlowStrength));
+ gGL.setSceneBlendType(LLRender::BT_ALPHA);
+ }
+
+ }
+ else if(mOrientation == VERTICAL)
+ {
+ mTrackImageV->drawSolid( 0 //S32 x
+ , mThickness //S32 y
+ , getRect().getWidth() //S32 width
+ , getRect().getHeight() - 2 * mThickness //S32 height
+ , mTrackColor.get()); //const LLColor4& color
+ if (gFocusMgr.getKeyboardFocus() == this)
+ {
+ mTrackImageV->draw(outline_rect, gFocusMgr.getFocusColor());
+ }
+
+ mThumbImageV->draw(mThumbRect, mThumbColor.get());
+ if (mCurGlowStrength > 0.01f)
+ {
+ gGL.setSceneBlendType(LLRender::BT_ADD_WITH_ALPHA);
+ mThumbImageV->drawSolid(mThumbRect, LLColor4(1.f, 1.f, 1.f, mCurGlowStrength));
+ gGL.setSceneBlendType(LLRender::BT_ALPHA);
+ }
+ }
+ }
+
+ // Draw children
+ LLView::draw();
} // end draw
bool LLScrollbar::changeLine( S32 delta, BOOL update_thumb )
{
- return setDocPos(mDocPos + delta, update_thumb);
+ return setDocPos(mDocPos + delta, update_thumb);
}
-void LLScrollbar::setValue(const LLSD& value)
-{
- setDocPos((S32) value.asInteger());
+void LLScrollbar::setValue(const LLSD& value)
+{
+ setDocPos((S32) value.asInteger());
}
@@ -600,67 +600,67 @@ BOOL LLScrollbar::handleKeyHere(KEY key, MASK mask)
BOOL handled = FALSE;
- switch( key )
- {
- case KEY_HOME:
- setDocPos( 0 );
- handled = TRUE;
- break;
-
- case KEY_END:
- setDocPos( getDocPosMax() );
- handled = TRUE;
- break;
-
- case KEY_DOWN:
- setDocPos( getDocPos() + mStepSize );
- handled = TRUE;
- break;
-
- case KEY_UP:
- setDocPos( getDocPos() - mStepSize );
- handled = TRUE;
- break;
-
- case KEY_PAGE_DOWN:
- pageDown(1);
- break;
-
- case KEY_PAGE_UP:
- pageUp(1);
- break;
- }
-
- return handled;
+ switch( key )
+ {
+ case KEY_HOME:
+ setDocPos( 0 );
+ handled = TRUE;
+ break;
+
+ case KEY_END:
+ setDocPos( getDocPosMax() );
+ handled = TRUE;
+ break;
+
+ case KEY_DOWN:
+ setDocPos( getDocPos() + mStepSize );
+ handled = TRUE;
+ break;
+
+ case KEY_UP:
+ setDocPos( getDocPos() - mStepSize );
+ handled = TRUE;
+ break;
+
+ case KEY_PAGE_DOWN:
+ pageDown(1);
+ break;
+
+ case KEY_PAGE_UP:
+ pageUp(1);
+ break;
+ }
+
+ return handled;
}
void LLScrollbar::pageUp(S32 overlap)
{
- if (mDocSize > mPageSize)
- {
- changeLine( -(mPageSize - overlap), TRUE );
- }
+ if (mDocSize > mPageSize)
+ {
+ changeLine( -(mPageSize - overlap), TRUE );
+ }
}
void LLScrollbar::pageDown(S32 overlap)
{
- if (mDocSize > mPageSize)
- {
- changeLine( mPageSize - overlap, TRUE );
- }
+ if (mDocSize > mPageSize)
+ {
+ changeLine( mPageSize - overlap, TRUE );
+ }
}
void LLScrollbar::onLineUpBtnPressed( const LLSD& data )
{
- changeLine( -mStepSize, TRUE );
+ changeLine( -mStepSize, TRUE );
}
void LLScrollbar::onLineDownBtnPressed( const LLSD& data )
{
- changeLine( mStepSize, TRUE );
+ changeLine( mStepSize, TRUE );
}
void LLScrollbar::setThickness(S32 thickness)
{
- mThickness = thickness < 0 ? LLUI::getInstance()->mSettingGroups["config"]->getS32("UIScrollbarSize") : thickness;
+ mThickness = thickness < 0 ? LLUI::getInstance()->mSettingGroups["config"]->getS32("UIScrollbarSize") : thickness;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-04 02:34:52 +0000