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 "IrrCompileConfig.h"
10 #ifdef _IRR_COMPILE_WITH_GUI_
12 #include "IGUIStaticText.h"
19 #include "util/enriched_string.h"
21 #include <IGUIEnvironment.h>
30 const EGUI_ELEMENT_TYPE EGUIET_ENRICHED_STATIC_TEXT = (EGUI_ELEMENT_TYPE)(0x1000);
32 class StaticText : public IGUIStaticText
36 // StaticText is translated by EnrichedString.
37 // No need to use translate_string()
38 StaticText(const EnrichedString &text, bool border, IGUIEnvironment* environment,
39 IGUIElement* parent, s32 id, const core::rect<s32>& rectangle,
40 bool background = false);
43 virtual ~StaticText();
45 static irr::gui::IGUIStaticText *add(
46 irr::gui::IGUIEnvironment *guienv,
47 const EnrichedString &text,
48 const core::rect< s32 > &rectangle,
51 irr::gui::IGUIElement *parent = NULL,
53 bool fillBackground = false)
56 // parent is NULL, so we must find one, or we need not to drop
57 // result, but then there will be a memory leak.
59 // What Irrlicht does is to use guienv as a parent, but the problem
60 // is that guienv is here only an IGUIEnvironment, while it is a
61 // CGUIEnvironment in Irrlicht, which inherits from both IGUIElement
62 // and IGUIEnvironment.
64 // A solution would be to dynamic_cast guienv to a
65 // IGUIElement*, but Irrlicht is shipped without rtti support
66 // in some distributions, causing the dymanic_cast to segfault.
68 // Thus, to find the parent, we create a dummy StaticText and ask
69 // for its parent, and then remove it.
70 irr::gui::IGUIStaticText *dummy_text =
71 guienv->addStaticText(L"", rectangle, border, wordWrap,
72 parent, id, fillBackground);
73 parent = dummy_text->getParent();
76 irr::gui::IGUIStaticText *result = new irr::gui::StaticText(
77 text, border, guienv, parent,
78 id, rectangle, fillBackground);
80 result->setWordWrap(wordWrap);
85 static irr::gui::IGUIStaticText *add(
86 irr::gui::IGUIEnvironment *guienv,
88 const core::rect< s32 > &rectangle,
91 irr::gui::IGUIElement *parent = NULL,
93 bool fillBackground = false)
95 return add(guienv, EnrichedString(text), rectangle, border, wordWrap, parent,
99 //! draws the element and its children
102 //! Sets another skin independent font.
103 virtual void setOverrideFont(IGUIFont* font=0);
105 //! Gets the override font (if any)
106 virtual IGUIFont* getOverrideFont() const;
108 //! Get the font which is used right now for drawing
109 virtual IGUIFont* getActiveFont() const;
111 //! Sets another color for the text.
112 virtual void setOverrideColor(video::SColor color);
114 //! Sets another color for the background.
115 virtual void setBackgroundColor(video::SColor color);
117 //! Sets whether to draw the background
118 virtual void setDrawBackground(bool draw);
120 //! Gets the background color
121 virtual video::SColor getBackgroundColor() const;
123 //! Checks if background drawing is enabled
124 virtual bool isDrawBackgroundEnabled() const;
126 //! Sets whether to draw the border
127 virtual void setDrawBorder(bool draw);
129 //! Checks if border drawing is enabled
130 virtual bool isDrawBorderEnabled() const;
132 //! Sets alignment mode for text
133 virtual void setTextAlignment(EGUI_ALIGNMENT horizontal, EGUI_ALIGNMENT vertical);
135 //! Gets the override color
136 virtual video::SColor getOverrideColor() const;
138 //! Gets the currently used text color
139 virtual video::SColor getActiveColor() const;
141 //! Sets if the static text should use the overide color or the
142 //! color in the gui skin.
143 virtual void enableOverrideColor(bool enable);
145 //! Checks if an override color is enabled
146 virtual bool isOverrideColorEnabled() const;
148 //! Set whether the text in this label should be clipped if it goes outside bounds
149 virtual void setTextRestrainedInside(bool restrainedInside);
151 //! Checks if the text in this label should be clipped if it goes outside bounds
152 virtual bool isTextRestrainedInside() const;
154 //! Enables or disables word wrap for using the static text as
155 //! multiline text control.
156 virtual void setWordWrap(bool enable);
158 //! Checks if word wrap is enabled
159 virtual bool isWordWrapEnabled() const;
161 //! Sets the new caption of this element.
162 virtual void setText(const wchar_t* text);
164 //! Returns the height of the text in pixels when it is drawn.
165 virtual s32 getTextHeight() const;
167 //! Returns the width of the current text, in the current font
168 virtual s32 getTextWidth() const;
170 //! Updates the absolute position, splits text if word wrap is enabled
171 virtual void updateAbsolutePosition();
173 //! Set whether the string should be interpreted as right-to-left (RTL) text
174 /** \note This component does not implement the Unicode bidi standard, the
175 text of the component should be already RTL if you call this. The
176 main difference when RTL is enabled is that the linebreaks for multiline
177 elements are performed starting from the end.
179 virtual void setRightToLeft(bool rtl);
181 //! Checks if the text should be interpreted as right-to-left text
182 virtual bool isRightToLeft() const;
184 virtual bool hasType(EGUI_ELEMENT_TYPE t) const {
185 return (t == EGUIET_ENRICHED_STATIC_TEXT) || (t == EGUIET_STATIC_TEXT);
188 virtual bool hasType(EGUI_ELEMENT_TYPE t) {
189 return (t == EGUIET_ENRICHED_STATIC_TEXT) || (t == EGUIET_STATIC_TEXT);
192 void setText(const EnrichedString &text);
196 //! Breaks the single text line.
199 EGUI_ALIGNMENT HAlign, VAlign;
203 bool RestrainTextInside;
206 gui::IGUIFont* OverrideFont;
207 gui::IGUIFont* LastBreakFont; // stored because: if skin changes, line break must be recalculated.
209 EnrichedString ColoredText;
210 std::vector<EnrichedString> BrokenText;
214 } // end namespace gui
216 } // end namespace irr
218 inline void setStaticText(irr::gui::IGUIStaticText *static_text, const EnrichedString &text)
220 // dynamic_cast not possible due to some distributions shipped
221 // without rtti support in irrlicht
222 if (static_text->hasType(irr::gui::EGUIET_ENRICHED_STATIC_TEXT)) {
223 irr::gui::StaticText* stext = static_cast<irr::gui::StaticText*>(static_text);
224 stext->setText(text);
226 static_text->setText(text.c_str());
230 inline void setStaticText(irr::gui::IGUIStaticText *static_text, const wchar_t *text)
232 setStaticText(static_text, EnrichedString(text, static_text->getOverrideColor()));
235 #endif // _IRR_COMPILE_WITH_GUI_