mirror of
https://github.com/nillerusr/source-engine.git
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226 lines
6.7 KiB
C++
226 lines
6.7 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef LABEL_H
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#define LABEL_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "utlvector.h"
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#include "vgui/VGUI.h"
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#include "vgui_controls/Panel.h"
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#include "vgui_controls/PHandle.h"
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namespace vgui
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{
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//-----------------------------------------------------------------------------
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// Purpose: Contains and displays a set of images
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// By default starts with one TextImage
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//-----------------------------------------------------------------------------
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class Label : public Panel
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{
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DECLARE_CLASS_SIMPLE( Label, Panel );
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public:
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// Constructors
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Label(Panel *parent, const char *panelName, const char *text);
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Label(Panel *parent, const char *panelName, const wchar_t *wszText);
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~Label();
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public:
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// Take the string and looks it up in the localization file to convert it to unicode
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virtual void SetText(const char *tokenName);
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// Set unicode text directly
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virtual void SetText(const wchar_t *unicodeString, bool bClearUnlocalizedSymbol = false );
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// Get the current text
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virtual void GetText(OUT_Z_BYTECAP(bufferLen) char *textOut, int bufferLen);
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virtual void GetText(OUT_Z_BYTECAP(bufLenInBytes) wchar_t *textOut, int bufLenInBytes);
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// Content alignment
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// Get the size of the content within the label
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virtual void GetContentSize(int &wide, int &tall);
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// Set how the content aligns itself within the label
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// alignment code, used to determine how the images are layed out within the Label
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enum Alignment
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{
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a_northwest = 0,
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a_north,
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a_northeast,
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a_west,
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a_center,
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a_east,
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a_southwest,
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a_south,
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a_southeast,
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};
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virtual void SetContentAlignment(Alignment alignment);
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virtual void SetEnabled(bool state);
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// Additional offset at the Start of the text (from whichever sides it is aligned)
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virtual void SetTextInset(int xInset, int yInset);
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virtual void GetTextInset(int *xInset, int *yInset );
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// Text colors
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virtual void SetFgColor(Color color);
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virtual Color GetFgColor();
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// colors to use when the label is disabled
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virtual void SetDisabledFgColor1(Color color);
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virtual void SetDisabledFgColor2(Color color);
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virtual Color GetDisabledFgColor1();
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virtual Color GetDisabledFgColor2();
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// Set whether the text is displayed bright or dull
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enum EColorState
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{
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CS_NORMAL,
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CS_DULL,
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CS_BRIGHT,
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};
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virtual void SetTextColorState(EColorState state);
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// Font
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virtual void SetFont(HFont font);
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virtual HFont GetFont();
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// Hotkey
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virtual Panel *HasHotkey(wchar_t key);
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virtual void SetHotkey(wchar_t key);
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virtual wchar_t GetHotKey();
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// Labels can be associated with controls, and alter behaviour based on the associates behaviour
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// If the associate is disabled, so are we
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// If the associate has focus, we may alter how we draw
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// If we get a hotkey press or focus message, we forward the focus to the associate
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virtual void SetAssociatedControl(Panel *control);
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// Multiple image handling
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// Images are drawn from left to right across the label, ordered by index
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// By default there is a TextImage in position 0 (see GetTextImage()/SetTextImageIndex())
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virtual int AddImage(IImage *image, int preOffset); // Return the index the image was placed in
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virtual void SetImageAtIndex(int index, IImage *image, int preOffset);
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virtual void SetImagePreOffset(int index, int preOffset); // Set the offset in pixels before the image
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virtual IImage *GetImageAtIndex(int index);
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virtual int GetImageCount();
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virtual void ClearImages();
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virtual void ResetToSimpleTextImage();
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// fixes the layout bounds of the image within the label
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virtual void SetImageBounds(int index, int x, int width);
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// Teturns a pointer to the default text image
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virtual TextImage *GetTextImage();
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// Moves where the default text image is within the image array (it starts in position 0)
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// Setting it to -1 removes it from the image list
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// Returns the index the default text image was previously in
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virtual int SetTextImageIndex(int newIndex);
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// Message handling
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// outputData - keyName is the name of the attribute requested.
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// for Labels "text" is an option that returns the default text image text
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// returns true on success in finding the requested value. false on failure.
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virtual bool RequestInfo(KeyValues *outputData);
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/* INFO HANDLING
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"GetText"
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returns:
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"text" - text contained in the label
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*/
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/* CUSTOM MESSAGE HANDLING
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"SetText"
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input: "text" - label text is set to be this string
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*/
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virtual void SizeToContents();
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// the +8 is padding to the content size
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// the code which uses it should really set that itself;
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// however a lot of existing code relies on this
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enum Padding
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{
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Content = 8,
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};
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void SetWrap( bool bWrap );
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void SetCenterWrap( bool bWrap );
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void SetAllCaps( bool bAllCaps );
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protected:
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virtual void PerformLayout();
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virtual wchar_t CalculateHotkey(const char *text);
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virtual wchar_t CalculateHotkey(const wchar_t *text);
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virtual void ComputeAlignment(int &tx0, int &ty0, int &tx1, int &ty1);
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virtual void Paint();
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MESSAGE_FUNC_PARAMS( OnSetText, "SetText", params );
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virtual void DrawDashedLine(int x0, int y0, int x1, int y1, int dashLen, int gapLen);
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virtual void OnRequestFocus(VPANEL subFocus, VPANEL defaultPanel);
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MESSAGE_FUNC( OnHotkeyPressed, "Hotkey" );
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virtual void OnMousePressed(MouseCode code);
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virtual void OnSizeChanged(int wide, int tall);
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// makes sure that the maxIndex will be a valid index
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virtual void EnsureImageCapacity(int maxIndex);
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// editing
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virtual void ApplySchemeSettings(IScheme *pScheme);
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virtual void GetSettings( KeyValues *outResourceData );
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virtual void ApplySettings( KeyValues *inResourceData );
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virtual const char *GetDescription( void );
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MESSAGE_FUNC_PARAMS( OnDialogVariablesChanged, "DialogVariables", dialogVariables );
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void HandleAutoSizing( void );
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private:
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void Init();
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Alignment _contentAlignment;
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TextImage *_textImage; // this is the textImage, if the full text will not
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// fit we put as much as we can and add an elipsis (...)
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struct TImageInfo
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{
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IImage *image;
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short offset;
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short xpos;
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short width;
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};
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CUtlVector<TImageInfo> _imageDar;
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int _textInset[2];
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Color _disabledFgColor1;
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Color _disabledFgColor2;
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Color _associateColor;
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int _textImageIndex; // index in the image array that the default _textimage resides
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EColorState _textColorState;
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PHandle _associate;
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char *_associateName;
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char *_fontOverrideName;
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wchar_t _hotkey; // the hotkey contained in the text
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bool m_bWrap;
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bool m_bCenterWrap;
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bool m_bAllCaps;
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bool m_bAutoWideToContents;
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bool m_bAutoWideDirty;
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bool m_bUseProportionalInsets;
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};
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} // namespace vgui
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#endif // LABEL_H
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