diff options
Diffstat (limited to 'indra/newview/llexpandabletextbox.cpp')
| -rw-r--r-- | indra/newview/llexpandabletextbox.cpp | 936 |
1 files changed, 468 insertions, 468 deletions
diff --git a/indra/newview/llexpandabletextbox.cpp b/indra/newview/llexpandabletextbox.cpp index dc9374b849..4c105176b6 100644 --- a/indra/newview/llexpandabletextbox.cpp +++ b/indra/newview/llexpandabletextbox.cpp @@ -1,468 +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));
-}
-
-
-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());
-}
+/** + * @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()); +} |