mirror of
https://github.com/wiidev/usbloadergx.git
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588 lines
11 KiB
C++
588 lines
11 KiB
C++
/****************************************************************************
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* libwiigui
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*
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* Tantric 2009
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*
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* gui_text.cpp
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*
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* GUI class definitions
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***************************************************************************/
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#include "gui.h"
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#include "wstring.hpp"
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#include "settings/CSettings.h"
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#include "utils/tools.h"
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#define MAX_LINES_TO_DRAW 9
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static int presetSize = 18;
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static int presetMaxWidth = 0;
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static int presetAlignmentHor = 0;
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static int presetAlignmentVert = 0;
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static u16 presetStyle = 0;
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static GXColor presetColor = (GXColor) {255, 255, 255, 255};
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#define TEXT_SCROLL_DELAY 5
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#define TEXT_SCROLL_INITIAL_DELAY 8
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/**
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* Constructor for the GuiText class.
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*/
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GuiText::GuiText(const char * t, int s, GXColor c)
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{
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text = NULL;
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size = (int) (s * Settings.FontScaleFactor);
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currentSize = size;
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color = c;
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alpha = c.a;
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style = FTGX_JUSTIFY_CENTER | FTGX_ALIGN_MIDDLE;
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maxWidth = 0;
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wrapMode = 0;
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passChar = 0;
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font = NULL;
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linestodraw = MAX_LINES_TO_DRAW;
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textScrollPos = 0;
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textScrollInitialDelay = TEXT_SCROLL_INITIAL_DELAY;
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textScrollDelay = TEXT_SCROLL_DELAY;
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alignmentHor = ALIGN_CENTER;
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alignmentVert = ALIGN_MIDDLE;
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if (t)
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{
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text = charToWideChar(t);
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if (!text) return;
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textWidth = fontSystem->getWidth(text, currentSize);
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}
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}
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GuiText::GuiText(const wchar_t * t, int s, GXColor c)
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{
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text = NULL;
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size = (int) (s * Settings.FontScaleFactor);
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currentSize = size;
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color = c;
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alpha = c.a;
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style = FTGX_JUSTIFY_CENTER | FTGX_ALIGN_MIDDLE;
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maxWidth = 0;
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wrapMode = 0;
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passChar = 0;
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font = NULL;
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linestodraw = MAX_LINES_TO_DRAW;
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textScrollPos = 0;
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textScrollInitialDelay = TEXT_SCROLL_INITIAL_DELAY;
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textScrollDelay = TEXT_SCROLL_DELAY;
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alignmentHor = ALIGN_CENTER;
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alignmentVert = ALIGN_MIDDLE;
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if (t)
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{
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text = new (std::nothrow) wchar_t[wcslen(t) + 1];
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if (!text) return;
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wcscpy(text, t);
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textWidth = fontSystem->getWidth(text, currentSize);
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}
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}
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/**
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* Constructor for the GuiText class, uses presets
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*/
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GuiText::GuiText(const char * t)
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{
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text = NULL;
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size = (int) (presetSize * Settings.FontScaleFactor);
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currentSize = size;
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color = presetColor;
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alpha = presetColor.a;
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style = presetStyle;
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maxWidth = presetMaxWidth;
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wrapMode = 0;
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passChar = 0;
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font = NULL;
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linestodraw = MAX_LINES_TO_DRAW;
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textScrollPos = 0;
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textScrollInitialDelay = TEXT_SCROLL_INITIAL_DELAY;
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textScrollDelay = TEXT_SCROLL_DELAY;
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alignmentHor = presetAlignmentHor;
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alignmentVert = presetAlignmentVert;
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if (t)
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{
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text = charToWideChar(t);
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if (!text) return;
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textWidth = fontSystem->getWidth(text, currentSize);
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}
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}
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/**
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* Destructor for the GuiText class.
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*/
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GuiText::~GuiText()
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{
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if (text) delete[] text;
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text = NULL;
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if (font)
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{
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delete font;
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font = NULL;
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}
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ClearDynamicText();
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}
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void GuiText::SetText(const char * t)
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{
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LOCK( this );
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if (text) delete[] text;
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text = NULL;
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ClearDynamicText();
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textScrollPos = 0;
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textScrollInitialDelay = TEXT_SCROLL_INITIAL_DELAY;
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if (t)
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{
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text = charToWideChar(t);
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if (!text) return;
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if (passChar != 0)
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{
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for (u8 i = 0; i < wcslen(text); i++)
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text[i] = passChar;
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}
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textWidth = fontSystem->getWidth(text, currentSize);
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}
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}
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void GuiText::SetTextf(const char *format, ...)
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{
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if (!format) SetText((char *) NULL);
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char *tmp = 0;
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va_list va;
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va_start( va, format );
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if ((vasprintf(&tmp, format, va) >= 0) && tmp)
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{
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SetText(tmp);
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}
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va_end( va );
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if (tmp) free(tmp);
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}
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void GuiText::SetText(const wchar_t * t)
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{
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LOCK( this );
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if (text)
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delete [] text;
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text = NULL;
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ClearDynamicText();
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textScrollPos = 0;
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textScrollInitialDelay = TEXT_SCROLL_INITIAL_DELAY;
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if (t)
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{
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text = new (std::nothrow) wchar_t[wcslen(t) + 1];
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if (!text) return;
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wcscpy(text, t);
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if (passChar != 0)
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{
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for (u8 i = 0; i < wcslen(text); i++)
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text[i] = passChar;
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}
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textWidth = fontSystem->getWidth(text, currentSize);
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}
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}
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void GuiText::ClearDynamicText()
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{
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for (u32 i = 0; i < textDyn.size(); i++)
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{
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if (textDyn[i])
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delete [] textDyn[i];
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}
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textDyn.clear();
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}
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void GuiText::SetPresets(int sz, GXColor c, int w, u16 s, int h, int v)
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{
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presetSize = sz;
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presetColor = c;
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presetStyle = s;
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presetMaxWidth = w;
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presetAlignmentHor = h;
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presetAlignmentVert = v;
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}
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void GuiText::SetFontSize(int s)
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{
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LOCK( this );
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size = s;
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}
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void GuiText::SetMaxWidth(int w, int m)
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{
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//! no need to reset timer on false set
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if(wrapMode == m && maxWidth == w)
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return;
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LOCK( this );
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maxWidth = w;
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wrapMode = m;
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if (m == SCROLL_HORIZONTAL)
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{
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textScrollPos = 0;
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textScrollInitialDelay = TEXT_SCROLL_INITIAL_DELAY;
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textScrollDelay = TEXT_SCROLL_DELAY;
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}
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ClearDynamicText();
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}
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void GuiText::SetPassChar(wchar_t p)
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{
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LOCK( this );
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passChar = p;
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}
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void GuiText::SetColor(GXColor c)
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{
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LOCK( this );
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color = c;
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alpha = c.a;
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}
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void GuiText::SetStyle(u16 s)
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{
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LOCK( this );
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style = s;
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}
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void GuiText::SetAlignment(int hor, int vert)
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{
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LOCK( this );
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style = 0;
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switch (hor)
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{
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case ALIGN_LEFT:
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style |= FTGX_JUSTIFY_LEFT;
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break;
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case ALIGN_RIGHT:
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style |= FTGX_JUSTIFY_RIGHT;
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break;
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default:
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style |= FTGX_JUSTIFY_CENTER;
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break;
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}
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switch (vert)
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{
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case ALIGN_TOP:
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style |= FTGX_ALIGN_TOP;
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break;
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case ALIGN_BOTTOM:
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style |= FTGX_ALIGN_BOTTOM;
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break;
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default:
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style |= FTGX_ALIGN_MIDDLE;
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break;
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}
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alignmentHor = hor;
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alignmentVert = vert;
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}
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void GuiText::SetLinesToDraw(int l)
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{
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linestodraw = l;
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}
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int GuiText::GetTextWidth()
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{
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if (!text) return 0;
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return fontSystem->getWidth(text, currentSize);
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}
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int GuiText::GetTextWidth(int ind)
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{
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if (ind < 0 || ind >= (int) textDyn.size()) return this->GetTextWidth();
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return fontSystem->getWidth(textDyn[ind], currentSize);
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}
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int GuiText::GetTextMaxWidth()
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{
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return maxWidth;
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}
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const wchar_t * GuiText::GetDynText(int ind)
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{
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if (ind < 0 || ind >= (int) textDyn.size()) return text;
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return textDyn[ind];
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}
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const wchar_t * GuiText::GetText()
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{
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return text;
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}
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/**
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* Change font
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*/
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bool GuiText::SetFont(const u8 *fontbuffer, const u32 filesize)
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{
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if (!fontbuffer || !filesize) return false;
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LOCK( this );
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if (font)
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{
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delete font;
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font = NULL;
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}
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font = new FreeTypeGX(fontbuffer, filesize);
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textWidth = font->getWidth(text, currentSize);
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return true;
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}
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void GuiText::MakeDottedText()
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{
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int pos = textDyn.size();
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textDyn.resize(pos + 1);
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int i = 0, currentWidth = 0;
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textDyn[pos] = new wchar_t[maxWidth];
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while (text[i])
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{
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currentWidth += (font ? font : fontSystem)->getCharWidth(text[i], currentSize, i > 0 ? text[i - 1] : 0);
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if (currentWidth >= maxWidth && i > 2)
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{
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textDyn[pos][i - 2] = '.';
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textDyn[pos][i - 1] = '.';
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textDyn[pos][i] = '.';
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i++;
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break;
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}
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textDyn[pos][i] = text[i];
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i++;
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}
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textDyn[pos][i] = 0;
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}
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void GuiText::ScrollText()
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{
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if (textDyn.size() == 0)
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{
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int pos = textDyn.size();
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int i = 0, currentWidth = 0;
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textDyn.resize(pos + 1);
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textDyn[pos] = new wchar_t[maxWidth];
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while (text[i] && currentWidth < maxWidth)
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{
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textDyn[pos][i] = text[i];
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currentWidth += (font ? font : fontSystem)->getCharWidth(text[i], currentSize, i > 0 ? text[i - 1] : 0);
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++i;
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}
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textDyn[pos][i] = 0;
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return;
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}
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if (frameCount % textScrollDelay != 0)
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{
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return;
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}
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if (textScrollInitialDelay)
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{
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--textScrollInitialDelay;
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return;
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}
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int stringlen = wcslen(text);
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++textScrollPos;
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if (textScrollPos > stringlen)
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{
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textScrollPos = 0;
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textScrollInitialDelay = TEXT_SCROLL_INITIAL_DELAY;
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}
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int ch = textScrollPos;
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int pos = textDyn.size() - 1;
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if (!textDyn[pos]) new wchar_t[maxWidth];
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int i = 0, currentWidth = 0;
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while (currentWidth < maxWidth)
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{
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if (ch > stringlen - 1)
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{
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textDyn[pos][i++] = ' ';
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currentWidth += (font ? font : fontSystem)->getCharWidth(L' ', currentSize, ch > 0 ? text[ch - 1] : 0);
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textDyn[pos][i++] = ' ';
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currentWidth += (font ? font : fontSystem)->getCharWidth(L' ', currentSize, L' ');
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textDyn[pos][i++] = ' ';
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currentWidth += (font ? font : fontSystem)->getCharWidth(L' ', currentSize, L' ');
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ch = 0;
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if(currentWidth >= maxWidth)
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break;
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}
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textDyn[pos][i] = text[ch];
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currentWidth += (font ? font : fontSystem)->getCharWidth(text[ch], currentSize, ch > 0 ? text[ch - 1] : 0);
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++ch;
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++i;
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}
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textDyn[pos][i] = 0;
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}
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void GuiText::WrapText()
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{
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if (textDyn.size() > 0) return;
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int i = 0;
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int ch = 0;
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int linenum = 0;
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int lastSpace = -1;
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int lastSpaceIndex = -1;
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int currentWidth = 0;
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while (text[ch] && linenum < linestodraw)
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{
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if (linenum >= (int) textDyn.size())
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{
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textDyn.resize(linenum + 1);
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textDyn[linenum] = new wchar_t[maxWidth];
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}
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textDyn[linenum][i] = text[ch];
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textDyn[linenum][i + 1] = 0;
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currentWidth += (font ? font : fontSystem)->getCharWidth(text[ch], currentSize, ch > 0 ? text[ch - 1] : 0x0000);
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if (currentWidth >= maxWidth)
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{
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if (lastSpace >= 0)
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{
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textDyn[linenum][lastSpaceIndex] = 0; // discard space, and everything after
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ch = lastSpace; // go backwards to the last space
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lastSpace = -1; // we have used this space
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lastSpaceIndex = -1;
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}
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if (linenum + 1 == linestodraw && text[ch + 1] != 0x0000)
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{
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textDyn[linenum][i - 2] = '.';
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textDyn[linenum][i - 1] = '.';
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textDyn[linenum][i] = '.';
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textDyn[linenum][i + 1] = 0;
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}
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currentWidth = 0;
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++linenum;
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i = -1;
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}
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if (text[ch] == ' ' && i >= 0)
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{
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lastSpace = ch;
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lastSpaceIndex = i;
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}
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++ch;
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++i;
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}
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}
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/**
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* Draw the text on screen
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*/
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void GuiText::Draw()
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{
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if (!text || (*text == 0)) return;
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if (!IsVisible()) return;
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GX_LoadProjectionMtx(FSProjection2D, GX_ORTHOGRAPHIC);
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GX_LoadPosMtxImm(FSModelView2D, GX_PNMTX0);
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GXColor c = color;
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c.a = GetAlpha();
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int newSize = (int) (size * GetScale());
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if (newSize != currentSize)
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{
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currentSize = LIMIT(newSize, 1, 100);
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if (text) textWidth = (font ? font : fontSystem)->getWidth(text, currentSize);
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}
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if (maxWidth > 0 && maxWidth <= textWidth)
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{
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if (wrapMode == DOTTED) // text dotted
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{
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if (textDyn.size() == 0)
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MakeDottedText();
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if (textDyn.size() > 0)
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(font ? font : fontSystem)->drawText(this->GetLeft(), this->GetTop(), 0, textDyn[textDyn.size() - 1], currentSize, c, style);
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}
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else if (wrapMode == SCROLL_HORIZONTAL)
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{
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ScrollText();
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if (textDyn.size() > 0)
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(font ? font : fontSystem)->drawText(this->GetLeft(), this->GetTop(), 0, textDyn[textDyn.size() - 1], currentSize, c, style);
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}
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else if (wrapMode == WRAP)
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{
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int lineheight = currentSize + 6;
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int voffset = 0;
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if (alignmentVert == ALIGN_MIDDLE) voffset = -(lineheight * textDyn.size()) / 2 + lineheight / 2;
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if (textDyn.size() == 0) WrapText();
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for (u32 i = 0; i < textDyn.size(); i++)
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{
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(font ? font : fontSystem)->drawText(this->GetLeft(), this->GetTop() + voffset + i * lineheight, 0, textDyn[i], currentSize, c, style);
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}
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}
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}
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else
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{
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(font ? font : fontSystem)->drawText(this->GetLeft(), this->GetTop(), 0, text, currentSize, c, style, textWidth);
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}
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this->UpdateEffects();
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}
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