/** * @file llbutton.h * @brief Header for buttons * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * 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 * $/LicenseInfo$ */ #ifndef LL_LLBUTTON_H #define LL_LLBUTTON_H #include "lluuid.h" #include "llbadgeowner.h" #include "llcontrol.h" #include "llflashtimer.h" #include "lluictrl.h" #include "v4color.h" #include "llframetimer.h" #include "llfontgl.h" #include "lluiimage.h" #include "lluistring.h" // // Constants // // PLEASE please use these "constants" when building your own buttons. // They are loaded from settings.xml at run time. extern S32 LLBUTTON_H_PAD; extern S32 BTN_HEIGHT_SMALL; extern S32 BTN_HEIGHT; // // Helpful functions // S32 round_up(S32 grid, S32 value); class LLUICtrlFactory; // // Classes // class LLButton : public LLUICtrl, public LLBadgeOwner { public: struct Params : public LLInitParam::Block { // text label Optional label_selected; Optional label_shadow; Optional auto_resize; Optional use_ellipses; // images Optional image_unselected, image_selected, image_hover_selected, image_hover_unselected, image_disabled_selected, image_disabled, image_flash, image_pressed, image_pressed_selected, image_overlay; Optional image_overlay_alignment; // colors Optional label_color, label_color_selected, label_color_disabled, label_color_disabled_selected, image_color, image_color_disabled, image_overlay_color, image_overlay_selected_color, image_overlay_disabled_color, flash_color; // layout Optional pad_right; Optional pad_left; Optional pad_bottom; // under text label //image overlay paddings Optional image_top_pad; Optional image_bottom_pad; /** * Space between image_overlay and label */ Optional imgoverlay_label_space; // callbacks Optional click_callback, // alias -> commit_callback mouse_down_callback, mouse_up_callback, mouse_held_callback; // misc Optional is_toggle, scale_image, commit_on_return, display_pressed_state; Optional hover_glow_amount; Optional held_down_delay; Optional use_draw_context_alpha; Optional badge; Optional handle_right_mouse; Optional button_flash_count; Optional button_flash_rate; Params(); }; protected: friend class LLUICtrlFactory; LLButton(const Params&); public: ~LLButton(); // For backward compatability only typedef boost::function button_callback_t; void addImageAttributeToXML(LLXMLNodePtr node, const std::string& imageName, const LLUUID& imageID,const std::string& xmlTagName) const; virtual BOOL handleUnicodeCharHere(llwchar uni_char); virtual BOOL handleKeyHere(KEY key, MASK mask); virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask); virtual BOOL handleMouseUp(S32 x, S32 y, MASK mask); virtual BOOL handleHover(S32 x, S32 y, MASK mask); virtual BOOL handleRightMouseDown(S32 x, S32 y, MASK mask); virtual BOOL handleRightMouseUp(S32 x, S32 y, MASK mask); virtual BOOL handleDoubleClick(S32 x, S32 y, MASK mask); virtual void draw(); /*virtual*/ BOOL postBuild(); virtual void onMouseLeave(S32 x, S32 y, MASK mask); virtual void onMouseCaptureLost(); virtual void onCommit(); void setUnselectedLabelColor( const LLColor4& c ) { mUnselectedLabelColor = c; } void setSelectedLabelColor( const LLColor4& c ) { mSelectedLabelColor = c; } void setUseEllipses( BOOL use_ellipses ) { mUseEllipses = use_ellipses; } boost::signals2::connection setClickedCallback(const CommitCallbackParam& cb); boost::signals2::connection setMouseDownCallback(const CommitCallbackParam& cb); boost::signals2::connection setMouseUpCallback(const CommitCallbackParam& cb); boost::signals2::connection setHeldDownCallback(const CommitCallbackParam& cb); boost::signals2::connection setClickedCallback( const commit_signal_t::slot_type& cb ); // mouse down and up within button boost::signals2::connection setMouseDownCallback( const commit_signal_t::slot_type& cb ); boost::signals2::connection setMouseUpCallback( const commit_signal_t::slot_type& cb ); // mouse up, EVEN IF NOT IN BUTTON // Passes a 'count' parameter in the commit param payload, i.e. param["count"]) boost::signals2::connection setHeldDownCallback( const commit_signal_t::slot_type& cb ); // Mouse button held down and in button // *TODO: Deprecate (for backwards compatability only) boost::signals2::connection setClickedCallback( button_callback_t cb, void* data ); boost::signals2::connection setMouseDownCallback( button_callback_t cb, void* data ); boost::signals2::connection setMouseUpCallback( button_callback_t cb, void* data ); boost::signals2::connection setHeldDownCallback( button_callback_t cb, void* data ); void setHeldDownDelay( F32 seconds, S32 frames = 0) { mHeldDownDelay = seconds; mHeldDownFrameDelay = frames; } F32 getHeldDownTime() const { return mMouseDownTimer.getElapsedTimeF32(); } BOOL toggleState(); BOOL getToggleState() const; void setToggleState(BOOL b); void setHighlight(bool b); void setFlashing( BOOL b ); BOOL getFlashing() const { return mFlashing; } LLFlashTimer* getFlashTimer() {return mFlashingTimer;} void setHAlign( LLFontGL::HAlign align ) { mHAlign = align; } LLFontGL::HAlign getHAlign() const { return mHAlign; } void setLeftHPad( S32 pad ) { mLeftHPad = pad; } void setRightHPad( S32 pad ) { mRightHPad = pad; } void setImageOverlayTopPad( S32 pad ) { mImageOverlayTopPad = pad; } S32 getImageOverlayTopPad() const { return mImageOverlayTopPad; } void setImageOverlayBottomPad( S32 pad ) { mImageOverlayBottomPad = pad; } S32 getImageOverlayBottomPad() const { return mImageOverlayBottomPad; } const std::string getLabelUnselected() const { return wstring_to_utf8str(mUnselectedLabel); } const std::string getLabelSelected() const { return wstring_to_utf8str(mSelectedLabel); } void setImageColor(const std::string& color_control); void setImageColor(const LLColor4& c); /*virtual*/ void setColor(const LLColor4& c); void setImages(const std::string &image_name, const std::string &selected_name); void setDisabledImageColor(const LLColor4& c) { mDisabledImageColor = c; } void setDisabledSelectedLabelColor( const LLColor4& c ) { mDisabledSelectedLabelColor = c; } void setImageOverlay(const std::string& image_name, LLFontGL::HAlign alignment = LLFontGL::HCENTER, const LLColor4& color = LLColor4::white); void setImageOverlay(const LLUUID& image_id, LLFontGL::HAlign alignment = LLFontGL::HCENTER, const LLColor4& color = LLColor4::white); LLPointer getImageOverlay() { return mImageOverlay; } LLFontGL::HAlign getImageOverlayHAlign() const { return mImageOverlayAlignment; } void autoResize(); // resize with label of current btn state void resize(LLUIString label); // resize with label input void setLabel( const LLStringExplicit& label); virtual BOOL setLabelArg( const std::string& key, const LLStringExplicit& text ); void setLabelUnselected(const LLStringExplicit& label); void setLabelSelected(const LLStringExplicit& label); void setDisabledLabelColor( const LLColor4& c ) { mDisabledLabelColor = c; } void setFont(const LLFontGL *font) { mGLFont = ( font ? font : LLFontGL::getFontSansSerif()); } const LLFontGL* getFont() const { return mGLFont; } S32 getLastDrawCharsCount() const { return mLastDrawCharsCount; } bool labelIsTruncated() const; const LLUIString& getCurrentLabel() const; void setScaleImage(BOOL scale) { mScaleImage = scale; } BOOL getScaleImage() const { return mScaleImage; } void setDropShadowedText(BOOL b) { mDropShadowedText = b; } void setBorderEnabled(BOOL b) { mBorderEnabled = b; } void setHoverGlowStrength(F32 strength) { mHoverGlowStrength = strength; } void setImageUnselected(LLPointer image); void setImageSelected(LLPointer image); void setImageHoverSelected(LLPointer image); void setImageHoverUnselected(LLPointer image); void setImageDisabled(LLPointer image); void setImageDisabledSelected(LLPointer image); void setImageFlash(LLPointer image); void setImagePressed(LLPointer image); void setCommitOnReturn(BOOL commit) { mCommitOnReturn = commit; } BOOL getCommitOnReturn() const { return mCommitOnReturn; } static void onHeldDown(void *userdata); // to be called by gIdleCallbacks static void toggleFloaterAndSetToggleState(LLUICtrl* ctrl, const LLSD& sdname); static void setFloaterToggle(LLUICtrl* ctrl, const LLSD& sdname); static void setDockableFloaterToggle(LLUICtrl* ctrl, const LLSD& sdname); static void showHelp(LLUICtrl* ctrl, const LLSD& sdname); void setForcePressedState(bool b) { mForcePressedState = b; } void setAutoResize(bool auto_resize) { mAutoResize = auto_resize; } protected: LLPointer getImageUnselected() const { return mImageUnselected; } LLPointer getImageSelected() const { return mImageSelected; } void getOverlayImageSize(S32& overlay_width, S32& overlay_height); LLFrameTimer mMouseDownTimer; bool mNeedsHighlight; void drawBorder(LLUIImage* imagep, const LLColor4& color, S32 size); void resetMouseDownTimer(); commit_signal_t* mMouseDownSignal; commit_signal_t* mMouseUpSignal; commit_signal_t* mHeldDownSignal; const LLFontGL* mGLFont; S32 mMouseDownFrame; S32 mMouseHeldDownCount; // Counter for parameter passed to held-down callback F32 mHeldDownDelay; // seconds, after which held-down callbacks get called S32 mHeldDownFrameDelay; // frames, after which held-down callbacks get called S32 mLastDrawCharsCount; LLPointer mImageOverlay; LLFontGL::HAlign mImageOverlayAlignment; LLUIColor mImageOverlayColor; LLUIColor mImageOverlaySelectedColor; LLUIColor mImageOverlayDisabledColor; LLPointer mImageUnselected; LLUIString mUnselectedLabel; LLUIColor mUnselectedLabelColor; LLPointer mImageSelected; LLUIString mSelectedLabel; LLUIColor mSelectedLabelColor; LLPointer mImageHoverSelected; LLPointer mImageHoverUnselected; LLPointer mImageDisabled; LLUIColor mDisabledLabelColor; LLPointer mImageDisabledSelected; LLUIString mDisabledSelectedLabel; LLUIColor mDisabledSelectedLabelColor; LLPointer mImagePressed; LLPointer mImagePressedSelected; /* There are two ways an image can flash- by making changes in color according to flash_color attribute or by changing icon from current to the one specified in image_flash. Second way is used only if flash icon name is set in attributes(by default it isn't). First way is used otherwise. */ LLPointer mImageFlash; LLUIColor mFlashBgColor; LLUIColor mImageColor; LLUIColor mDisabledImageColor; bool mIsToggle; bool mScaleImage; bool mDropShadowedText; bool mAutoResize; bool mUseEllipses; bool mBorderEnabled; bool mFlashing; LLFontGL::HAlign mHAlign; S32 mLeftHPad; S32 mRightHPad; S32 mBottomVPad; // under text label S32 mImageOverlayTopPad; S32 mImageOverlayBottomPad; bool mUseDrawContextAlpha; /* * Space between image_overlay and label */ S32 mImgOverlayLabelSpace; F32 mHoverGlowStrength; F32 mCurGlowStrength; bool mCommitOnReturn; bool mFadeWhenDisabled; bool mForcePressedState; bool mDisplayPressedState; LLFlashTimer* mFlashingTimer; bool mHandleRightMouse; }; // Build time optimization, generate once in .cpp file #ifndef LLBUTTON_CPP extern template class LLButton* LLView::getChild( const std::string& name, BOOL recurse) const; #endif #endif // LL_LLBUTTON_H