145 lines
4.6 KiB
C++
145 lines
4.6 KiB
C++
/**
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* @file lldraghandle.h
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* @brief LLDragHandle base class
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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// A widget for dragging a view around the screen using the mouse.
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#ifndef LL_DRAGHANDLE_H
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#define LL_DRAGHANDLE_H
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#include "llview.h"
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#include "v4color.h"
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#include "llrect.h"
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#include "llcoord.h"
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class LLTextBox;
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class LLDragHandle : public LLView
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{
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public:
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struct Params
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: public LLInitParam::Block<Params, LLView::Params>
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{
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Optional<std::string> label;
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Optional<LLUIColor> drag_highlight_color;
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Optional<LLUIColor> drag_shadow_color;
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Optional<S32> label_v_padding; // <FS:Zi> Make vertical label padding a per-skin option
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Params()
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: label("label"),
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label_v_padding("label_v_padding", -1), // <FS:Zi> Make vertical label padding a per-skin option
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drag_highlight_color("drag_highlight_color", LLUIColorTable::instance().getColor("DefaultHighlightLight")),
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drag_shadow_color("drag_shadow_color", LLUIColorTable::instance().getColor("DefaultShadowDark"))
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{
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changeDefault(mouse_opaque, true);
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changeDefault(follows.flags, FOLLOWS_ALL);
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}
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};
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void initFromParams(const Params&);
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virtual ~LLDragHandle();
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virtual void setValue(const LLSD& value);
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void setForeground(bool b) { mForeground = b; }
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bool getForeground() const { return mForeground; }
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void setMaxTitleWidth(S32 max_width) {mMaxTitleWidth = llmin(max_width, mMaxTitleWidth); }
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S32 getMaxTitleWidth() const { return mMaxTitleWidth; }
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void setButtonsRect(const LLRect& rect){ mButtonsRect = rect; }
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LLRect getButtonsRect() const { return mButtonsRect; }
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void setTitleVisible(bool visible);
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virtual void setTitle( const std::string& title ) = 0;
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virtual std::string getTitle() const = 0;
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virtual bool handleHover(S32 x, S32 y, MASK mask);
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virtual bool handleMouseDown(S32 x, S32 y, MASK mask);
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virtual bool handleMouseUp(S32 x, S32 y, MASK mask);
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protected:
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LLDragHandle(const Params&);
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friend class LLUICtrlFactory;
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protected:
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LLTextBox* mTitleBox;
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private:
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LLRect mButtonsRect;
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S32 mDragLastScreenX;
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S32 mDragLastScreenY;
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S32 mLastMouseScreenX;
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S32 mLastMouseScreenY;
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LLCoordGL mLastMouseDir;
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LLUIColor mDragHighlightColor;
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LLUIColor mDragShadowColor;
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S32 mMaxTitleWidth;
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bool mForeground;
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// Pixels near the edge to snap floaters.
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static S32 sSnapMargin;
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protected:
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S32 mLabelVPadding; // <FS:Zi> Make vertical label padding a per-skin option
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};
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// Use this one for traditional top-of-window draggers
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class LLDragHandleTop
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: public LLDragHandle
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{
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protected:
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LLDragHandleTop(const Params& p) : LLDragHandle(p) {}
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friend class LLUICtrlFactory;
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public:
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virtual void setTitle( const std::string& title );
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virtual std::string getTitle() const;
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virtual void draw();
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virtual void reshape(S32 width, S32 height, bool called_from_parent = true);
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private:
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void reshapeTitleBox();
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};
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// Use this for left-side, vertical text draggers
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class LLDragHandleLeft
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: public LLDragHandle
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{
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protected:
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LLDragHandleLeft(const Params& p) : LLDragHandle(p) {}
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friend class LLUICtrlFactory;
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public:
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virtual void setTitle( const std::string& title );
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virtual std::string getTitle() const;
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virtual void draw();
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virtual void reshape(S32 width, S32 height, bool called_from_parent = true);
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};
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const S32 DRAG_HANDLE_HEIGHT = 16;
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const S32 DRAG_HANDLE_WIDTH = 16;
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#endif // LL_DRAGHANDLE_H
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