1 // Copyright (C) 2002-2012 Nikolaus Gebhardt
2 // Copyright (C) 2016 Nathanaƫlle Courant
3 // Modified this class to work with EnrichedStrings too
4 // This file is part of the "Irrlicht Engine".
5 // For conditions of distribution and use, see copyright notice in irrlicht.h
9 #include "IGUIStaticText.h"
16 #include "util/enriched_string.h"
18 #include <IGUIEnvironment.h>
27 const EGUI_ELEMENT_TYPE EGUIET_ENRICHED_STATIC_TEXT = (EGUI_ELEMENT_TYPE)(0x1000);
29 class StaticText : public IGUIStaticText
33 // StaticText is translated by EnrichedString.
34 // No need to use translate_string()
35 StaticText(const EnrichedString &text, bool border, IGUIEnvironment* environment,
36 IGUIElement* parent, s32 id, const core::rect<s32>& rectangle,
37 bool background = false);
40 virtual ~StaticText();
42 static irr::gui::IGUIStaticText *add(
43 irr::gui::IGUIEnvironment *guienv,
44 const EnrichedString &text,
45 const core::rect< s32 > &rectangle,
48 irr::gui::IGUIElement *parent = NULL,
50 bool fillBackground = false)
53 // parent is NULL, so we must find one, or we need not to drop
54 // result, but then there will be a memory leak.
56 // What Irrlicht does is to use guienv as a parent, but the problem
57 // is that guienv is here only an IGUIEnvironment, while it is a
58 // CGUIEnvironment in Irrlicht, which inherits from both IGUIElement
59 // and IGUIEnvironment.
61 // A solution would be to dynamic_cast guienv to a
62 // IGUIElement*, but Irrlicht is shipped without rtti support
63 // in some distributions, causing the dymanic_cast to segfault.
65 // Thus, to find the parent, we create a dummy StaticText and ask
66 // for its parent, and then remove it.
67 irr::gui::IGUIStaticText *dummy_text =
68 guienv->addStaticText(L"", rectangle, border, wordWrap,
69 parent, id, fillBackground);
70 parent = dummy_text->getParent();
73 irr::gui::IGUIStaticText *result = new irr::gui::StaticText(
74 text, border, guienv, parent,
75 id, rectangle, fillBackground);
77 result->setWordWrap(wordWrap);
82 static irr::gui::IGUIStaticText *add(
83 irr::gui::IGUIEnvironment *guienv,
85 const core::rect< s32 > &rectangle,
88 irr::gui::IGUIElement *parent = NULL,
90 bool fillBackground = false)
92 return add(guienv, EnrichedString(text), rectangle, border, wordWrap, parent,
96 //! draws the element and its children
99 //! Sets another skin independent font.
100 virtual void setOverrideFont(IGUIFont* font=0);
102 //! Gets the override font (if any)
103 virtual IGUIFont* getOverrideFont() const;
105 //! Get the font which is used right now for drawing
106 virtual IGUIFont* getActiveFont() const;
108 //! Sets another color for the text.
109 virtual void setOverrideColor(video::SColor color);
111 //! Sets another color for the background.
112 virtual void setBackgroundColor(video::SColor color);
114 //! Sets whether to draw the background
115 virtual void setDrawBackground(bool draw);
117 //! Gets the background color
118 virtual video::SColor getBackgroundColor() const;
120 //! Checks if background drawing is enabled
121 virtual bool isDrawBackgroundEnabled() const;
123 //! Sets whether to draw the border
124 virtual void setDrawBorder(bool draw);
126 //! Checks if border drawing is enabled
127 virtual bool isDrawBorderEnabled() const;
129 //! Sets alignment mode for text
130 virtual void setTextAlignment(EGUI_ALIGNMENT horizontal, EGUI_ALIGNMENT vertical);
132 //! Gets the override color
133 virtual video::SColor getOverrideColor() const;
135 //! Gets the currently used text color
136 virtual video::SColor getActiveColor() const;
138 //! Sets if the static text should use the overide color or the
139 //! color in the gui skin.
140 virtual void enableOverrideColor(bool enable);
142 //! Checks if an override color is enabled
143 virtual bool isOverrideColorEnabled() const;
145 //! Set whether the text in this label should be clipped if it goes outside bounds
146 virtual void setTextRestrainedInside(bool restrainedInside);
148 //! Checks if the text in this label should be clipped if it goes outside bounds
149 virtual bool isTextRestrainedInside() const;
151 //! Enables or disables word wrap for using the static text as
152 //! multiline text control.
153 virtual void setWordWrap(bool enable);
155 //! Checks if word wrap is enabled
156 virtual bool isWordWrapEnabled() const;
158 //! Sets the new caption of this element.
159 virtual void setText(const wchar_t* text);
161 //! Returns the height of the text in pixels when it is drawn.
162 virtual s32 getTextHeight() const;
164 //! Returns the width of the current text, in the current font
165 virtual s32 getTextWidth() const;
167 //! Updates the absolute position, splits text if word wrap is enabled
168 virtual void updateAbsolutePosition();
170 //! Set whether the string should be interpreted as right-to-left (RTL) text
171 /** \note This component does not implement the Unicode bidi standard, the
172 text of the component should be already RTL if you call this. The
173 main difference when RTL is enabled is that the linebreaks for multiline
174 elements are performed starting from the end.
176 virtual void setRightToLeft(bool rtl);
178 //! Checks if the text should be interpreted as right-to-left text
179 virtual bool isRightToLeft() const;
181 virtual bool hasType(EGUI_ELEMENT_TYPE t) const {
182 return (t == EGUIET_ENRICHED_STATIC_TEXT) || (t == EGUIET_STATIC_TEXT);
185 virtual bool hasType(EGUI_ELEMENT_TYPE t) {
186 return (t == EGUIET_ENRICHED_STATIC_TEXT) || (t == EGUIET_STATIC_TEXT);
189 void setText(const EnrichedString &text);
193 //! Breaks the single text line.
196 EGUI_ALIGNMENT HAlign, VAlign;
200 bool RestrainTextInside;
203 gui::IGUIFont* OverrideFont;
204 gui::IGUIFont* LastBreakFont; // stored because: if skin changes, line break must be recalculated.
206 EnrichedString ColoredText;
207 std::vector<EnrichedString> BrokenText;
211 } // end namespace gui
213 } // end namespace irr
215 inline void setStaticText(irr::gui::IGUIStaticText *static_text, const EnrichedString &text)
217 // dynamic_cast not possible due to some distributions shipped
218 // without rtti support in irrlicht
219 if (static_text->hasType(irr::gui::EGUIET_ENRICHED_STATIC_TEXT)) {
220 irr::gui::StaticText* stext = static_cast<irr::gui::StaticText*>(static_text);
221 stext->setText(text);
223 static_text->setText(text.c_str());
227 inline void setStaticText(irr::gui::IGUIStaticText *static_text, const wchar_t *text)
229 setStaticText(static_text, EnrichedString(text, static_text->getOverrideColor()));