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/**
* @file lltexturectrl.h
* @author Richard Nelson, James Cook
* @brief LLTextureCtrl class header file including related functions
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
#ifndef LL_LLTEXTURECTRL_H
#define LL_LLTEXTURECTRL_H
#include "llcoord.h"
#include "llfloater.h"
#include "llstring.h"
#include "lluictrl.h"
#include "llpermissionsflags.h"
#include "lltextbox.h" // for params
#include "llviewborder.h" // for params
class LLButton;
class LLFloaterTexturePicker;
class LLInventoryItem;
class LLViewerFetchedTexture;
// used for setting drag & drop callbacks.
typedef boost::function<BOOL (LLUICtrl*, LLInventoryItem*)> drag_n_drop_callback;
typedef boost::function<void (LLInventoryItem*)> texture_selected_callback;
//////////////////////////////////////////////////////////////////////////////////////////
// LLTextureCtrl
class LLTextureCtrl
: public LLUICtrl
{
public:
typedef enum e_texture_pick_op
{
TEXTURE_CHANGE,
TEXTURE_SELECT,
TEXTURE_CANCEL
} ETexturePickOp;
public:
struct Params : public LLInitParam::Block<Params, LLUICtrl::Params>
{
Optional<LLUUID> image_id;
Optional<LLUUID> default_image_id;
Optional<std::string> default_image_name;
Optional<bool> allow_no_texture;
Optional<bool> can_apply_immediately;
Optional<bool> no_commit_on_selection; // alternative mode: commit occurs and the widget gets dirty
// only on DnD or when OK is pressed in the picker
Optional<S32> label_width;
Optional<LLUIColor> border_color;
Optional<LLUIImage*> fallback_image;
Optional<LLTextBox::Params> multiselect_text,
caption_text;
Optional<LLViewBorder::Params> border;
Params()
: image_id("image"),
default_image_id("default_image_id"),
default_image_name("default_image_name"),
allow_no_texture("allow_no_texture"),
can_apply_immediately("can_apply_immediately"),
no_commit_on_selection("no_commit_on_selection", false),
label_width("label_width", -1),
border_color("border_color"),
fallback_image("fallback_image"),
multiselect_text("multiselect_text"),
caption_text("caption_text"),
border("border")
{}
};
protected:
LLTextureCtrl(const Params&);
friend class LLUICtrlFactory;
public:
virtual ~LLTextureCtrl();
// LLView interface
virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
virtual BOOL handleDragAndDrop(S32 x, S32 y, MASK mask,
BOOL drop, EDragAndDropType cargo_type, void *cargo_data,
EAcceptance *accept,
std::string& tooltip_msg);
virtual BOOL handleHover(S32 x, S32 y, MASK mask);
virtual BOOL handleUnicodeCharHere(llwchar uni_char);
virtual void draw();
virtual void setVisible( BOOL visible );
virtual void setEnabled( BOOL enabled );
void setValid(BOOL valid);
// LLUICtrl interface
virtual void clear();
// Takes a UUID, wraps get/setImageAssetID
virtual void setValue(const LLSD& value);
virtual LLSD getValue() const;
// LLTextureCtrl interface
void showPicker(BOOL take_focus);
bool isPickerShown() { return !mFloaterHandle.isDead(); }
void setLabel(const std::string& label);
void setLabelWidth(S32 label_width) {mLabelWidth =label_width;}
const std::string& getLabel() const { return mLabel; }
void setAllowNoTexture( BOOL b ) { mAllowNoTexture = b; }
bool getAllowNoTexture() const { return mAllowNoTexture; }
const LLUUID& getImageItemID() { return mImageItemID; }
virtual void setImageAssetName(const std::string& name);
void setImageAssetID(const LLUUID &image_asset_id);
const LLUUID& getImageAssetID() const { return mImageAssetID; }
void setDefaultImageAssetID( const LLUUID& id ) { mDefaultImageAssetID = id; }
const LLUUID& getDefaultImageAssetID() const { return mDefaultImageAssetID; }
const std::string& getDefaultImageName() const { return mDefaultImageName; }
void setBlankImageAssetID( const LLUUID& id ) { mBlankImageAssetID = id; }
const LLUUID& getBlankImageAssetID() const { return mBlankImageAssetID; }
void setCaption(const std::string& caption);
void setCanApplyImmediately(BOOL b);
void setCanApply(bool can_preview, bool can_apply);
void setImmediateFilterPermMask(PermissionMask mask)
{ mImmediateFilterPermMask = mask; }
void setDnDFilterPermMask(PermissionMask mask)
{ mDnDFilterPermMask = mask; }
void setNonImmediateFilterPermMask(PermissionMask mask)
{ mNonImmediateFilterPermMask = mask; }
PermissionMask getImmediateFilterPermMask() { return mImmediateFilterPermMask; }
PermissionMask getNonImmediateFilterPermMask() { return mNonImmediateFilterPermMask; }
void closeDependentFloater();
void onFloaterClose();
void onFloaterCommit(ETexturePickOp op, LLUUID id = LLUUID::null);
// This call is returned when a drag is detected. Your callback
// should return TRUE if the drag is acceptable.
void setDragCallback(drag_n_drop_callback cb) { mDragCallback = cb; }
// This callback is called when the drop happens. Return TRUE if
// the drop happened - resulting in an on commit callback, but not
// necessariliy any other change.
void setDropCallback(drag_n_drop_callback cb) { mDropCallback = cb; }
void setOnCancelCallback(commit_callback_t cb) { mOnCancelCallback = cb; }
void setOnCloseCallback(commit_callback_t cb) { mOnCloseCallback = cb; }
void setOnSelectCallback(commit_callback_t cb) { mOnSelectCallback = cb; }
/*
* callback for changing texture selection in inventory list of texture floater
*/
void setOnTextureSelectedCallback(texture_selected_callback cb);
void setShowLoadingPlaceholder(BOOL showLoadingPlaceholder);
LLViewerFetchedTexture* getTexture() { return mTexturep; }
private:
BOOL allowDrop(LLInventoryItem* item);
BOOL doDrop(LLInventoryItem* item);
private:
drag_n_drop_callback mDragCallback;
drag_n_drop_callback mDropCallback;
commit_callback_t mOnCancelCallback;
commit_callback_t mOnSelectCallback;
commit_callback_t mOnCloseCallback;
texture_selected_callback mOnTextureSelectedCallback;
LLPointer<LLViewerFetchedTexture> mTexturep;
LLUIColor mBorderColor;
LLUUID mImageItemID;
LLUUID mImageAssetID;
LLUUID mDefaultImageAssetID;
LLUUID mBlankImageAssetID;
LLUIImagePtr mFallbackImage;
std::string mDefaultImageName;
LLHandle<LLFloater> mFloaterHandle;
LLTextBox* mTentativeLabel;
LLTextBox* mCaption;
std::string mLabel;
BOOL mAllowNoTexture; // If true, the user can select "none" as an option
PermissionMask mImmediateFilterPermMask;
PermissionMask mDnDFilterPermMask;
PermissionMask mNonImmediateFilterPermMask;
BOOL mCanApplyImmediately;
BOOL mCommitOnSelection;
BOOL mNeedsRawImageData;
LLViewBorder* mBorder;
BOOL mValid;
BOOL mShowLoadingPlaceholder;
std::string mLoadingPlaceholderString;
S32 mLabelWidth;
};
#endif // LL_LLTEXTURECTRL_H
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