diff options
Diffstat (limited to 'indra/newview/llexpandabletextbox.cpp')
| -rw-r--r-- | indra/newview/llexpandabletextbox.cpp | 930 |
1 files changed, 468 insertions, 462 deletions
diff --git a/indra/newview/llexpandabletextbox.cpp b/indra/newview/llexpandabletextbox.cpp index 5af9247285..dc9374b849 100644 --- a/indra/newview/llexpandabletextbox.cpp +++ b/indra/newview/llexpandabletextbox.cpp @@ -1,462 +1,468 @@ -/** - * @file llexpandabletextbox.cpp - * @brief LLExpandableTextBox and related class implementations - * - * $LicenseInfo:firstyear=2004&license=viewerlgpl$ - * 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 "llviewerprecompiledheaders.h" -#include "llexpandabletextbox.h" - -#include "llscrollcontainer.h" -#include "lltrans.h" -#include "llwindow.h" -#include "llviewerwindow.h" - -static LLDefaultChildRegistry::Register<LLExpandableTextBox> t1("expandable_text"); - -class LLExpanderSegment : public LLTextSegment -{ -public: - LLExpanderSegment(const LLStyleSP& style, S32 start, S32 end, const std::string& more_text, LLTextBase& editor ) - : LLTextSegment(start, end), - mEditor(editor), - mStyle(style), - mExpanderLabel(more_text) - {} - - /*virtual*/ bool getDimensionsF32(S32 first_char, S32 num_chars, F32& width, S32& height) const - { - // more label always spans width of text box - if (num_chars == 0) - { - width = 0; - height = 0; - } - else - { - width = mEditor.getDocumentView()->getRect().getWidth() - mEditor.getHPad(); - height = mStyle->getFont()->getLineHeight(); - } - return true; - } - /*virtual*/ S32 getOffset(S32 segment_local_x_coord, S32 start_offset, S32 num_chars, bool round) const - { - return start_offset; - } - /*virtual*/ S32 getNumChars(S32 num_pixels, S32 segment_offset, S32 line_offset, S32 max_chars, S32 line_ind) const - { - // require full line to ourselves - if (line_offset == 0) - { - // print all our text - return getEnd() - getStart(); - } - else - { - // wait for next line - return 0; - } - } - /*virtual*/ F32 draw(S32 start, S32 end, S32 selection_start, S32 selection_end, const LLRectf& draw_rect) - { - F32 right_x; - mStyle->getFont()->renderUTF8(mExpanderLabel, start, - draw_rect.mRight, draw_rect.mTop, - mStyle->getColor(), - LLFontGL::RIGHT, LLFontGL::TOP, - 0, - mStyle->getShadowType(), - end - start, draw_rect.getWidth(), - &right_x, - mEditor.getUseEllipses(), mEditor.getUseColor()); - return right_x; - } - /*virtual*/ bool canEdit() const { return false; } - // eat handleMouseDown event so we get the mouseup event - /*virtual*/ bool handleMouseDown(S32 x, S32 y, MASK mask) { return true; } - /*virtual*/ bool handleMouseUp(S32 x, S32 y, MASK mask) { mEditor.onCommit(); return true; } - /*virtual*/ bool handleHover(S32 x, S32 y, MASK mask) - { - LLUI::getInstance()->getWindow()->setCursor(UI_CURSOR_HAND); - return true; - } -private: - LLTextBase& mEditor; - LLStyleSP mStyle; - std::string mExpanderLabel; -}; - -LLExpandableTextBox::LLTextBoxEx::Params::Params() -{ -} - -LLExpandableTextBox::LLTextBoxEx::LLTextBoxEx(const Params& p) -: LLTextEditor(p), - mExpanderLabel(p.label.isProvided() ? p.label : LLTrans::getString("More")), - mExpanderVisible(false) -{ - setIsChrome(true); - setMaxTextLength(p.max_text_length); -} - -void LLExpandableTextBox::LLTextBoxEx::reshape(S32 width, S32 height, bool called_from_parent) -{ - LLTextEditor::reshape(width, height, called_from_parent); -} - -void LLExpandableTextBox::LLTextBoxEx::setText(const LLStringExplicit& text,const LLStyle::Params& input_params) -{ - // LLTextBox::setText will obliterate the expander segment, so make sure - // we generate it again by clearing mExpanderVisible - mExpanderVisible = false; - LLTextEditor::setText(text, input_params); - - hideOrShowExpandTextAsNeeded(); -} - - -void LLExpandableTextBox::LLTextBoxEx::showExpandText() -{ - if (!mExpanderVisible) - { - // make sure we're scrolled to top when collapsing - if (mScroller) - { - mScroller->goToTop(); - } - // get fully visible lines - std::pair<S32, S32> visible_lines = getVisibleLines(true); - S32 last_line = visible_lines.second - 1; - - LLStyle::Params expander_style(getStyleParams()); - expander_style.font.style = "UNDERLINE"; - expander_style.color = LLUIColorTable::instance().getColor("HTMLLinkColor"); - LLExpanderSegment* expanderp = new LLExpanderSegment(new LLStyle(expander_style), getLineStart(last_line), getLength() + 1, mExpanderLabel, *this); - insertSegment(expanderp); - mExpanderVisible = true; - } - -} - -//NOTE: obliterates existing styles (including hyperlinks) -void LLExpandableTextBox::LLTextBoxEx::hideExpandText() -{ - if (mExpanderVisible) - { - // this will overwrite the expander segment and all text styling with a single style - LLStyleConstSP sp(new LLStyle(getStyleParams())); - LLNormalTextSegment* segmentp = new LLNormalTextSegment(sp, 0, getLength() + 1, *this); - insertSegment(segmentp); - - mExpanderVisible = false; - } -} - -S32 LLExpandableTextBox::LLTextBoxEx::getVerticalTextDelta() -{ - S32 text_height = getTextPixelHeight(); - S32 textbox_height = getRect().getHeight(); - - return text_height - textbox_height; -} - -S32 LLExpandableTextBox::LLTextBoxEx::getTextPixelHeight() -{ - return getTextBoundingRect().getHeight(); -} - -void LLExpandableTextBox::LLTextBoxEx::hideOrShowExpandTextAsNeeded() -{ - // Restore the text box contents to calculate the text height properly, - // otherwise if a part of the text is hidden under "More" link - // getTextPixelHeight() returns only the height of currently visible text - // including the "More" link. See STORM-250. - hideExpandText(); - - // Show the expander a.k.a. "More" link if we need it, depending on text - // contents height. If not, keep it hidden. - if (getTextPixelHeight() > getRect().getHeight()) - { - showExpandText(); - } -} - -////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////// -////////////////////////////////////////////////////////////////////////// - -LLExpandableTextBox::Params::Params() -: textbox("textbox"), - scroll("scroll"), - max_height("max_height", 0), - bg_visible("bg_visible", false), - expanded_bg_visible("expanded_bg_visible", true), - bg_color("bg_color", LLColor4::black), - expanded_bg_color("expanded_bg_color", LLColor4::black) -{ -} - -LLExpandableTextBox::LLExpandableTextBox(const Params& p) -: LLUICtrl(p), - mMaxHeight(p.max_height), - mBGVisible(p.bg_visible), - mExpandedBGVisible(p.expanded_bg_visible), - mBGColor(p.bg_color), - mExpandedBGColor(p.expanded_bg_color), - mExpanded(false) -{ - LLRect rc = getLocalRect(); - - LLScrollContainer::Params scroll_params = p.scroll; - scroll_params.rect(rc); - mScroll = LLUICtrlFactory::create<LLScrollContainer>(scroll_params); - addChild(mScroll); - - LLTextBoxEx::Params textbox_params = p.textbox; - textbox_params.rect(rc); - mTextBox = LLUICtrlFactory::create<LLTextBoxEx>(textbox_params); - mTextBox->setContentTrusted(false); - mScroll->addChild(mTextBox); - - updateTextBoxRect(); - - mTextBox->setCommitCallback(boost::bind(&LLExpandableTextBox::onExpandClicked, this)); -} - -void LLExpandableTextBox::draw() -{ - if(mBGVisible && !mExpanded) - { - gl_rect_2d(getLocalRect(), mBGColor.get(), true); - } - if(mExpandedBGVisible && mExpanded) - { - gl_rect_2d(getLocalRect(), mExpandedBGColor.get(), true); - } - - collapseIfPosChanged(); - - LLUICtrl::draw(); -} - -void LLExpandableTextBox::setContentTrusted(bool trusted_content) -{ - mTextBox->setContentTrusted(trusted_content); -} - -void LLExpandableTextBox::collapseIfPosChanged() -{ - if(mExpanded) - { - LLView* parentp = getParent(); - LLRect parent_rect = parentp->getRect(); - parentp->localRectToOtherView(parent_rect, &parent_rect, getRootView()); - - if(parent_rect.mLeft != mParentRect.mLeft - || parent_rect.mTop != mParentRect.mTop) - { - collapseTextBox(); - } - } -} - -void LLExpandableTextBox::onExpandClicked() -{ - expandTextBox(); -} - -void LLExpandableTextBox::updateTextBoxRect() -{ - LLRect rc = getLocalRect(); - - rc.mLeft += mScroll->getBorderWidth(); - rc.mRight -= mScroll->getBorderWidth(); - rc.mTop -= mScroll->getBorderWidth(); - rc.mBottom += mScroll->getBorderWidth(); - - mTextBox->reshape(rc.getWidth(), rc.getHeight()); - mTextBox->setRect(rc); - // *HACK - // hideExpandText brakes text styles (replaces hyper-links with plain text), see ticket EXT-3290 - // Also text segments are not removed properly. Same issue at expandTextBox(). - // So set text again to make text box re-apply styles and clear segments. - // *TODO Find a solution that does not involve text segment. - mTextBox->setText(mText); -} - -S32 LLExpandableTextBox::recalculateTextDelta(S32 text_delta) -{ - LLRect expanded_rect = getLocalRect(); - LLView* root_view = getRootView(); - LLRect window_rect = root_view->getRect(); - - LLRect expanded_screen_rect; - localRectToOtherView(expanded_rect, &expanded_screen_rect, root_view); - - // don't allow expanded text box bottom go off screen - if(expanded_screen_rect.mBottom - text_delta < window_rect.mBottom) - { - text_delta = expanded_screen_rect.mBottom - window_rect.mBottom; - } - // show scroll bar if max_height is valid - // and expanded size is greater that max_height - else if(mMaxHeight > 0 && expanded_rect.getHeight() + text_delta > mMaxHeight) - { - text_delta = mMaxHeight - expanded_rect.getHeight(); - } - - return text_delta; -} - -void LLExpandableTextBox::expandTextBox() -{ - // hide "more" link, and show full text contents - mTextBox->hideExpandText(); - - // *HACK dz - // hideExpandText brakes text styles (replaces hyper-links with plain text), see ticket EXT-3290 - // Set text again to make text box re-apply styles. - // *TODO Find proper solution to fix this issue. - // Maybe add removeSegment to LLTextBase - mTextBox->setTextBase(mText); - - S32 text_delta = mTextBox->getVerticalTextDelta(); - text_delta += mTextBox->getVPad() * 2; - text_delta += mScroll->getBorderWidth() * 2; - // no need to expand - if(text_delta <= 0) - { - return; - } - - saveCollapsedState(); - - LLRect expanded_rect = getLocalRect(); - LLRect expanded_screen_rect; - - S32 updated_text_delta = recalculateTextDelta(text_delta); - // actual expand - expanded_rect.mBottom -= updated_text_delta; - - LLRect text_box_rect = mTextBox->getRect(); - - // check if we need to show scrollbar - if(text_delta != updated_text_delta) - { - static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0); - - // disable horizontal scrollbar - text_box_rect.mRight -= scrollbar_size; - - // text box size has changed - redo text wrap - // Should be handled automatically in reshape() below. JC - //mTextBox->setWrappedText(mText, text_box_rect.getWidth()); - - // recalculate text delta since text wrap changed text height - text_delta = mTextBox->getVerticalTextDelta() + mTextBox->getVPad() * 2; - } - - // expand text - text_box_rect.mBottom -= text_delta; - mTextBox->reshape(text_box_rect.getWidth(), text_box_rect.getHeight()); - mTextBox->setRect(text_box_rect); - - // expand text box - localRectToOtherView(expanded_rect, &expanded_screen_rect, getParent()); - reshape(expanded_screen_rect.getWidth(), expanded_screen_rect.getHeight(), false); - setRect(expanded_screen_rect); - - setFocus(true); - // this lets us receive top_lost event(needed to collapse text box) - // it also draws text box above all other ui elements - gViewerWindow->addPopup(this); - - mExpanded = true; -} - -void LLExpandableTextBox::collapseTextBox() -{ - if(!mExpanded) - { - return; - } - - mExpanded = false; - - reshape(mCollapsedRect.getWidth(), mCollapsedRect.getHeight(), false); - setRect(mCollapsedRect); - - updateTextBoxRect(); - gViewerWindow->removePopup(this); -} - -void LLExpandableTextBox::onFocusLost() -{ - collapseTextBox(); - - LLUICtrl::onFocusLost(); -} - -void LLExpandableTextBox::onTopLost() -{ - collapseTextBox(); - - LLUICtrl::onTopLost(); -} - -void LLExpandableTextBox::updateTextShape() -{ - llassert(!mExpanded); - updateTextBoxRect(); -} - -void LLExpandableTextBox::reshape(S32 width, S32 height, bool called_from_parent) -{ - mExpanded = false; - LLUICtrl::reshape(width, height, called_from_parent); - updateTextBoxRect(); -} - -void LLExpandableTextBox::setValue(const LLSD& value) -{ - collapseTextBox(); - mText = value.asString(); - mTextBox->setValue(value); -} - -void LLExpandableTextBox::setText(const std::string& str) -{ - collapseTextBox(); - mText = str; - mTextBox->setText(str); -} - -void LLExpandableTextBox::saveCollapsedState() -{ - mCollapsedRect = getRect(); - - mParentRect = getParent()->getRect(); - // convert parent rect to screen coordinates, - // this will allow to track parent's position change - getParent()->localRectToOtherView(mParentRect, &mParentRect, getRootView()); -} +/**
+ * @file llexpandabletextbox.cpp
+ * @brief LLExpandableTextBox and related class implementations
+ *
+ * $LicenseInfo:firstyear=2004&license=viewerlgpl$
+ * 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 "llviewerprecompiledheaders.h"
+#include "llexpandabletextbox.h"
+
+#include "llscrollcontainer.h"
+#include "lltrans.h"
+#include "llwindow.h"
+#include "llviewerwindow.h"
+
+static LLDefaultChildRegistry::Register<LLExpandableTextBox> t1("expandable_text");
+
+class LLExpanderSegment : public LLTextSegment
+{
+public:
+ LLExpanderSegment(const LLStyleSP& style, S32 start, S32 end, const std::string& more_text, LLTextBase& editor )
+ : LLTextSegment(start, end),
+ mEditor(editor),
+ mStyle(style),
+ mExpanderLabel(more_text)
+ {}
+
+ /*virtual*/ bool getDimensionsF32(S32 first_char, S32 num_chars, F32& width, S32& height) const
+ {
+ // more label always spans width of text box
+ if (num_chars == 0)
+ {
+ width = 0;
+ height = 0;
+ }
+ else
+ {
+ width = mEditor.getDocumentView()->getRect().getWidth() - mEditor.getHPad();
+ height = mStyle->getFont()->getLineHeight();
+ }
+ return true;
+ }
+ /*virtual*/ S32 getOffset(S32 segment_local_x_coord, S32 start_offset, S32 num_chars, bool round) const
+ {
+ return start_offset;
+ }
+ /*virtual*/ S32 getNumChars(S32 num_pixels, S32 segment_offset, S32 line_offset, S32 max_chars, S32 line_ind) const
+ {
+ // require full line to ourselves
+ if (line_offset == 0)
+ {
+ // print all our text
+ return getEnd() - getStart();
+ }
+ else
+ {
+ // wait for next line
+ return 0;
+ }
+ }
+ /*virtual*/ F32 draw(S32 start, S32 end, S32 selection_start, S32 selection_end, const LLRectf& draw_rect)
+ {
+ F32 right_x;
+ mStyle->getFont()->renderUTF8(mExpanderLabel, start,
+ draw_rect.mRight, draw_rect.mTop,
+ mStyle->getColor(),
+ LLFontGL::RIGHT, LLFontGL::TOP,
+ 0,
+ mStyle->getShadowType(),
+ end - start, draw_rect.getWidth(),
+ &right_x,
+ mEditor.getUseEllipses(), mEditor.getUseColor());
+ return right_x;
+ }
+ /*virtual*/ bool canEdit() const { return false; }
+ // eat handleMouseDown event so we get the mouseup event
+ /*virtual*/ bool handleMouseDown(S32 x, S32 y, MASK mask) { return true; }
+ /*virtual*/ bool handleMouseUp(S32 x, S32 y, MASK mask) { mEditor.onCommit(); return true; }
+ /*virtual*/ bool handleHover(S32 x, S32 y, MASK mask)
+ {
+ LLUI::getInstance()->getWindow()->setCursor(UI_CURSOR_HAND);
+ return true;
+ }
+private:
+ LLTextBase& mEditor;
+ LLStyleSP mStyle;
+ std::string mExpanderLabel;
+};
+
+LLExpandableTextBox::LLTextBoxEx::Params::Params()
+{
+}
+
+LLExpandableTextBox::LLTextBoxEx::LLTextBoxEx(const Params& p)
+: LLTextEditor(p),
+ mExpanderLabel(p.label.isProvided() ? p.label : LLTrans::getString("More")),
+ mExpanderVisible(false)
+{
+ setIsChrome(true);
+ setMaxTextLength(p.max_text_length);
+}
+
+void LLExpandableTextBox::LLTextBoxEx::reshape(S32 width, S32 height, bool called_from_parent)
+{
+ LLTextEditor::reshape(width, height, called_from_parent);
+}
+
+void LLExpandableTextBox::LLTextBoxEx::setText(const LLStringExplicit& text,const LLStyle::Params& input_params)
+{
+ // LLTextBox::setText will obliterate the expander segment, so make sure
+ // we generate it again by clearing mExpanderVisible
+ mExpanderVisible = false;
+ LLTextEditor::setText(text, input_params);
+
+ hideOrShowExpandTextAsNeeded();
+}
+
+
+void LLExpandableTextBox::LLTextBoxEx::showExpandText()
+{
+ if (!mExpanderVisible)
+ {
+ // make sure we're scrolled to top when collapsing
+ if (mScroller)
+ {
+ mScroller->goToTop();
+ }
+ // get fully visible lines
+ std::pair<S32, S32> visible_lines = getVisibleLines(true);
+ S32 last_line = visible_lines.second - 1;
+
+ LLStyle::Params expander_style(getStyleParams());
+ expander_style.font.style = "UNDERLINE";
+ expander_style.color = LLUIColorTable::instance().getColor("HTMLLinkColor");
+ LLExpanderSegment* expanderp = new LLExpanderSegment(new LLStyle(expander_style), getLineStart(last_line), getLength() + 1, mExpanderLabel, *this);
+ insertSegment(expanderp);
+ mExpanderVisible = true;
+ }
+
+}
+
+//NOTE: obliterates existing styles (including hyperlinks)
+void LLExpandableTextBox::LLTextBoxEx::hideExpandText()
+{
+ if (mExpanderVisible)
+ {
+ // this will overwrite the expander segment and all text styling with a single style
+ LLStyleConstSP sp(new LLStyle(getStyleParams()));
+ LLNormalTextSegment* segmentp = new LLNormalTextSegment(sp, 0, getLength() + 1, *this);
+ insertSegment(segmentp);
+
+ mExpanderVisible = false;
+ }
+}
+
+S32 LLExpandableTextBox::LLTextBoxEx::getVerticalTextDelta()
+{
+ S32 text_height = getTextPixelHeight();
+ S32 textbox_height = getRect().getHeight();
+
+ return text_height - textbox_height;
+}
+
+S32 LLExpandableTextBox::LLTextBoxEx::getTextPixelHeight()
+{
+ return getTextBoundingRect().getHeight();
+}
+
+void LLExpandableTextBox::LLTextBoxEx::hideOrShowExpandTextAsNeeded()
+{
+ // Restore the text box contents to calculate the text height properly,
+ // otherwise if a part of the text is hidden under "More" link
+ // getTextPixelHeight() returns only the height of currently visible text
+ // including the "More" link. See STORM-250.
+ hideExpandText();
+
+ // Show the expander a.k.a. "More" link if we need it, depending on text
+ // contents height. If not, keep it hidden.
+ if (getTextPixelHeight() > getRect().getHeight())
+ {
+ showExpandText();
+ }
+}
+
+//////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////
+
+LLExpandableTextBox::Params::Params()
+: textbox("textbox"),
+ scroll("scroll"),
+ max_height("max_height", 0),
+ bg_visible("bg_visible", false),
+ expanded_bg_visible("expanded_bg_visible", true),
+ bg_color("bg_color", LLColor4::black),
+ expanded_bg_color("expanded_bg_color", LLColor4::black)
+{
+}
+
+LLExpandableTextBox::LLExpandableTextBox(const Params& p)
+: LLUICtrl(p),
+ mMaxHeight(p.max_height),
+ mBGVisible(p.bg_visible),
+ mExpandedBGVisible(p.expanded_bg_visible),
+ mBGColor(p.bg_color),
+ mExpandedBGColor(p.expanded_bg_color),
+ mExpanded(false)
+{
+ LLRect rc = getLocalRect();
+
+ LLScrollContainer::Params scroll_params = p.scroll;
+ scroll_params.rect(rc);
+ mScroll = LLUICtrlFactory::create<LLScrollContainer>(scroll_params);
+ addChild(mScroll);
+
+ LLTextBoxEx::Params textbox_params = p.textbox;
+ textbox_params.rect(rc);
+ mTextBox = LLUICtrlFactory::create<LLTextBoxEx>(textbox_params);
+ mTextBox->setContentTrusted(false);
+ mScroll->addChild(mTextBox);
+
+ updateTextBoxRect();
+
+ mTextBox->setCommitCallback(boost::bind(&LLExpandableTextBox::onExpandClicked, this));
+}
+
+
+LLExpandableTextBox::~LLExpandableTextBox()
+{
+ gViewerWindow->removePopup(this);
+}
+
+void LLExpandableTextBox::draw()
+{
+ if(mBGVisible && !mExpanded)
+ {
+ gl_rect_2d(getLocalRect(), mBGColor.get(), true);
+ }
+ if(mExpandedBGVisible && mExpanded)
+ {
+ gl_rect_2d(getLocalRect(), mExpandedBGColor.get(), true);
+ }
+
+ collapseIfPosChanged();
+
+ LLUICtrl::draw();
+}
+
+void LLExpandableTextBox::setContentTrusted(bool trusted_content)
+{
+ mTextBox->setContentTrusted(trusted_content);
+}
+
+void LLExpandableTextBox::collapseIfPosChanged()
+{
+ if(mExpanded)
+ {
+ LLView* parentp = getParent();
+ LLRect parent_rect = parentp->getRect();
+ parentp->localRectToOtherView(parent_rect, &parent_rect, getRootView());
+
+ if(parent_rect.mLeft != mParentRect.mLeft
+ || parent_rect.mTop != mParentRect.mTop)
+ {
+ collapseTextBox();
+ }
+ }
+}
+
+void LLExpandableTextBox::onExpandClicked()
+{
+ expandTextBox();
+}
+
+void LLExpandableTextBox::updateTextBoxRect()
+{
+ LLRect rc = getLocalRect();
+
+ rc.mLeft += mScroll->getBorderWidth();
+ rc.mRight -= mScroll->getBorderWidth();
+ rc.mTop -= mScroll->getBorderWidth();
+ rc.mBottom += mScroll->getBorderWidth();
+
+ mTextBox->reshape(rc.getWidth(), rc.getHeight());
+ mTextBox->setRect(rc);
+ // *HACK
+ // hideExpandText brakes text styles (replaces hyper-links with plain text), see ticket EXT-3290
+ // Also text segments are not removed properly. Same issue at expandTextBox().
+ // So set text again to make text box re-apply styles and clear segments.
+ // *TODO Find a solution that does not involve text segment.
+ mTextBox->setText(mText);
+}
+
+S32 LLExpandableTextBox::recalculateTextDelta(S32 text_delta)
+{
+ LLRect expanded_rect = getLocalRect();
+ LLView* root_view = getRootView();
+ LLRect window_rect = root_view->getRect();
+
+ LLRect expanded_screen_rect;
+ localRectToOtherView(expanded_rect, &expanded_screen_rect, root_view);
+
+ // don't allow expanded text box bottom go off screen
+ if(expanded_screen_rect.mBottom - text_delta < window_rect.mBottom)
+ {
+ text_delta = expanded_screen_rect.mBottom - window_rect.mBottom;
+ }
+ // show scroll bar if max_height is valid
+ // and expanded size is greater that max_height
+ else if(mMaxHeight > 0 && expanded_rect.getHeight() + text_delta > mMaxHeight)
+ {
+ text_delta = mMaxHeight - expanded_rect.getHeight();
+ }
+
+ return text_delta;
+}
+
+void LLExpandableTextBox::expandTextBox()
+{
+ // hide "more" link, and show full text contents
+ mTextBox->hideExpandText();
+
+ // *HACK dz
+ // hideExpandText brakes text styles (replaces hyper-links with plain text), see ticket EXT-3290
+ // Set text again to make text box re-apply styles.
+ // *TODO Find proper solution to fix this issue.
+ // Maybe add removeSegment to LLTextBase
+ mTextBox->setTextBase(mText);
+
+ S32 text_delta = mTextBox->getVerticalTextDelta();
+ text_delta += mTextBox->getVPad() * 2;
+ text_delta += mScroll->getBorderWidth() * 2;
+ // no need to expand
+ if(text_delta <= 0)
+ {
+ return;
+ }
+
+ saveCollapsedState();
+
+ LLRect expanded_rect = getLocalRect();
+ LLRect expanded_screen_rect;
+
+ S32 updated_text_delta = recalculateTextDelta(text_delta);
+ // actual expand
+ expanded_rect.mBottom -= updated_text_delta;
+
+ LLRect text_box_rect = mTextBox->getRect();
+
+ // check if we need to show scrollbar
+ if(text_delta != updated_text_delta)
+ {
+ static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
+
+ // disable horizontal scrollbar
+ text_box_rect.mRight -= scrollbar_size;
+
+ // text box size has changed - redo text wrap
+ // Should be handled automatically in reshape() below. JC
+ //mTextBox->setWrappedText(mText, text_box_rect.getWidth());
+
+ // recalculate text delta since text wrap changed text height
+ text_delta = mTextBox->getVerticalTextDelta() + mTextBox->getVPad() * 2;
+ }
+
+ // expand text
+ text_box_rect.mBottom -= text_delta;
+ mTextBox->reshape(text_box_rect.getWidth(), text_box_rect.getHeight());
+ mTextBox->setRect(text_box_rect);
+
+ // expand text box
+ localRectToOtherView(expanded_rect, &expanded_screen_rect, getParent());
+ reshape(expanded_screen_rect.getWidth(), expanded_screen_rect.getHeight(), false);
+ setRect(expanded_screen_rect);
+
+ setFocus(true);
+ // this lets us receive top_lost event(needed to collapse text box)
+ // it also draws text box above all other ui elements
+ gViewerWindow->addPopup(this);
+
+ mExpanded = true;
+}
+
+void LLExpandableTextBox::collapseTextBox()
+{
+ if(!mExpanded)
+ {
+ return;
+ }
+
+ mExpanded = false;
+
+ reshape(mCollapsedRect.getWidth(), mCollapsedRect.getHeight(), false);
+ setRect(mCollapsedRect);
+
+ updateTextBoxRect();
+ gViewerWindow->removePopup(this);
+}
+
+void LLExpandableTextBox::onFocusLost()
+{
+ collapseTextBox();
+
+ LLUICtrl::onFocusLost();
+}
+
+void LLExpandableTextBox::onTopLost()
+{
+ collapseTextBox();
+
+ LLUICtrl::onTopLost();
+}
+
+void LLExpandableTextBox::updateTextShape()
+{
+ llassert(!mExpanded);
+ updateTextBoxRect();
+}
+
+void LLExpandableTextBox::reshape(S32 width, S32 height, bool called_from_parent)
+{
+ mExpanded = false;
+ LLUICtrl::reshape(width, height, called_from_parent);
+ updateTextBoxRect();
+}
+
+void LLExpandableTextBox::setValue(const LLSD& value)
+{
+ collapseTextBox();
+ mText = value.asString();
+ mTextBox->setValue(value);
+}
+
+void LLExpandableTextBox::setText(const std::string& str)
+{
+ collapseTextBox();
+ mText = str;
+ mTextBox->setText(str);
+}
+
+void LLExpandableTextBox::saveCollapsedState()
+{
+ mCollapsedRect = getRect();
+
+ mParentRect = getParent()->getRect();
+ // convert parent rect to screen coordinates,
+ // this will allow to track parent's position change
+ getParent()->localRectToOtherView(mParentRect, &mParentRect, getRootView());
+}
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