package net.minecraft.client.gui;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.util.ChatAllowedCharacters;
import org.lwjgl.opengl.GL11;
@SideOnly(Side.CLIENT)
public class GuiTextField extends Gui
{
/**
* Have the font renderer from GuiScreen to render the textbox text into the screen.
*/
private final FontRenderer fontRenderer;
private final int xPos;
private final int yPos;
/** The width of this text field. */
private final int width;
private final int height;
/** Have the current text beign edited on the textbox. */
private String text = "";
private int maxStringLength = 32;
private int cursorCounter;
private boolean enableBackgroundDrawing = true;
/**
* if true the textbox can lose focus by clicking elsewhere on the screen
*/
private boolean canLoseFocus = true;
/**
* If this value is true along isEnabled, keyTyped will process the keys.
*/
private boolean isFocused = false;
/**
* If this value is true along isFocused, keyTyped will process the keys.
*/
private boolean isEnabled = true;
/**
* The current character index that should be used as start of the rendered text.
*/
private int lineScrollOffset = 0;
private int cursorPosition = 0;
/** other selection position, maybe the same as the cursor */
private int selectionEnd = 0;
private int enabledColor = 14737632;
private int disabledColor = 7368816;
/** True if this textbox is visible */
private boolean visible = true;
public GuiTextField(FontRenderer par1FontRenderer, int par2, int par3, int par4, int par5)
{
this.fontRenderer = par1FontRenderer;
this.xPos = par2;
this.yPos = par3;
this.width = par4;
this.height = par5;
}
/**
* Increments the cursor counter
*/
public void updateCursorCounter()
{
++this.cursorCounter;
}
/**
* Sets the text of the textbox.
*/
public void setText(String par1Str)
{
if (par1Str.length() > this.maxStringLength)
{
this.text = par1Str.substring(0, this.maxStringLength);
}
else
{
this.text = par1Str;
}
this.setCursorPositionEnd();
}
/**
* Returns the text beign edited on the textbox.
*/
public String getText()
{
return this.text;
}
/**
* @return returns the text between the cursor and selectionEnd
*/
public String getSelectedtext()
{
int i = this.cursorPosition < this.selectionEnd ? this.cursorPosition : this.selectionEnd;
int j = this.cursorPosition < this.selectionEnd ? this.selectionEnd : this.cursorPosition;
return this.text.substring(i, j);
}
/**
* replaces selected text, or inserts text at the position on the cursor
*/
public void writeText(String par1Str)
{
String s1 = "";
String s2 = ChatAllowedCharacters.filerAllowedCharacters(par1Str);
int i = this.cursorPosition < this.selectionEnd ? this.cursorPosition : this.selectionEnd;
int j = this.cursorPosition < this.selectionEnd ? this.selectionEnd : this.cursorPosition;
int k = this.maxStringLength - this.text.length() - (i - this.selectionEnd);
boolean flag = false;
if (this.text.length() > 0)
{
s1 = s1 + this.text.substring(0, i);
}
int l;
if (k < s2.length())
{
s1 = s1 + s2.substring(0, k);
l = k;
}
else
{
s1 = s1 + s2;
l = s2.length();
}
if (this.text.length() > 0 && j < this.text.length())
{
s1 = s1 + this.text.substring(j);
}
this.text = s1;
this.moveCursorBy(i - this.selectionEnd + l);
}
/**
* Deletes the specified number of words starting at the cursor position. Negative numbers will delete words left of
* the cursor.
*/
public void deleteWords(int par1)
{
if (this.text.length() != 0)
{
if (this.selectionEnd != this.cursorPosition)
{
this.writeText("");
}
else
{
this.deleteFromCursor(this.getNthWordFromCursor(par1) - this.cursorPosition);
}
}
}
/**
* delete the selected text, otherwsie deletes characters from either side of the cursor. params: delete num
*/
public void deleteFromCursor(int par1)
{
if (this.text.length() != 0)
{
if (this.selectionEnd != this.cursorPosition)
{
this.writeText("");
}
else
{
boolean flag = par1 < 0;
int j = flag ? this.cursorPosition + par1 : this.cursorPosition;
int k = flag ? this.cursorPosition : this.cursorPosition + par1;
String s = "";
if (j >= 0)
{
s = this.text.substring(0, j);
}
if (k < this.text.length())
{
s = s + this.text.substring(k);
}
this.text = s;
if (flag)
{
this.moveCursorBy(par1);
}
}
}
}
/**
* see @getNthNextWordFromPos() params: N, position
*/
public int getNthWordFromCursor(int par1)
{
return this.getNthWordFromPos(par1, this.getCursorPosition());
}
/**
* gets the position of the nth word. N may be negative, then it looks backwards. params: N, position
*/
public int getNthWordFromPos(int par1, int par2)
{
return this.func_73798_a(par1, this.getCursorPosition(), true);
}
public int func_73798_a(int par1, int par2, boolean par3)
{
int k = par2;
boolean flag1 = par1 < 0;
int l = Math.abs(par1);
for (int i1 = 0; i1 < l; ++i1)
{
if (flag1)
{
while (par3 && k > 0 && this.text.charAt(k - 1) == 32)
{
--k;
}
while (k > 0 && this.text.charAt(k - 1) != 32)
{
--k;
}
}
else
{
int j1 = this.text.length();
k = this.text.indexOf(32, k);
if (k == -1)
{
k = j1;
}
else
{
while (par3 && k < j1 && this.text.charAt(k) == 32)
{
++k;
}
}
}
}
return k;
}
/**
* Moves the text cursor by a specified number of characters and clears the selection
*/
public void moveCursorBy(int par1)
{
this.setCursorPosition(this.selectionEnd + par1);
}
/**
* sets the position of the cursor to the provided index
*/
public void setCursorPosition(int par1)
{
this.cursorPosition = par1;
int j = this.text.length();
if (this.cursorPosition < 0)
{
this.cursorPosition = 0;
}
if (this.cursorPosition > j)
{
this.cursorPosition = j;
}
this.setSelectionPos(this.cursorPosition);
}
/**
* sets the cursors position to the beginning
*/
public void setCursorPositionZero()
{
this.setCursorPosition(0);
}
/**
* sets the cursors position to after the text
*/
public void setCursorPositionEnd()
{
this.setCursorPosition(this.text.length());
}
/**
* Call this method from you GuiScreen to process the keys into textbox.
*/
public boolean textboxKeyTyped(char par1, int par2)
{
if (this.isEnabled && this.isFocused)
{
switch (par1)
{
case 1:
this.setCursorPositionEnd();
this.setSelectionPos(0);
return true;
case 3:
GuiScreen.setClipboardString(this.getSelectedtext());
return true;
case 22:
this.writeText(GuiScreen.getClipboardString());
return true;
case 24:
GuiScreen.setClipboardString(this.getSelectedtext());
this.writeText("");
return true;
default:
switch (par2)
{
case 14:
if (GuiScreen.isCtrlKeyDown())
{
this.deleteWords(-1);
}
else
{
this.deleteFromCursor(-1);
}
return true;
case 199:
if (GuiScreen.isShiftKeyDown())
{
this.setSelectionPos(0);
}
else
{
this.setCursorPositionZero();
}
return true;
case 203:
if (GuiScreen.isShiftKeyDown())
{
if (GuiScreen.isCtrlKeyDown())
{
this.setSelectionPos(this.getNthWordFromPos(-1, this.getSelectionEnd()));
}
else
{
this.setSelectionPos(this.getSelectionEnd() - 1);
}
}
else if (GuiScreen.isCtrlKeyDown())
{
this.setCursorPosition(this.getNthWordFromCursor(-1));
}
else
{
this.moveCursorBy(-1);
}
return true;
case 205:
if (GuiScreen.isShiftKeyDown())
{
if (GuiScreen.isCtrlKeyDown())
{
this.setSelectionPos(this.getNthWordFromPos(1, this.getSelectionEnd()));
}
else
{
this.setSelectionPos(this.getSelectionEnd() + 1);
}
}
else if (GuiScreen.isCtrlKeyDown())
{
this.setCursorPosition(this.getNthWordFromCursor(1));
}
else
{
this.moveCursorBy(1);
}
return true;
case 207:
if (GuiScreen.isShiftKeyDown())
{
this.setSelectionPos(this.text.length());
}
else
{
this.setCursorPositionEnd();
}
return true;
case 211:
if (GuiScreen.isCtrlKeyDown())
{
this.deleteWords(1);
}
else
{
this.deleteFromCursor(1);
}
return true;
default:
if (ChatAllowedCharacters.isAllowedCharacter(par1))
{
this.writeText(Character.toString(par1));
return true;
}
else
{
return false;
}
}
}
}
else
{
return false;
}
}
/**
* Args: x, y, buttonClicked
*/
public void mouseClicked(int par1, int par2, int par3)
{
boolean flag = par1 >= this.xPos && par1 < this.xPos + this.width && par2 >= this.yPos && par2 < this.yPos + this.height;
if (this.canLoseFocus)
{
this.setFocused(this.isEnabled && flag);
}
if (this.isFocused && par3 == 0)
{
int l = par1 - this.xPos;
if (this.enableBackgroundDrawing)
{
l -= 4;
}
String s = this.fontRenderer.trimStringToWidth(this.text.substring(this.lineScrollOffset), this.getWidth());
this.setCursorPosition(this.fontRenderer.trimStringToWidth(s, l).length() + this.lineScrollOffset);
}
}
/**
* Draws the textbox
*/
public void drawTextBox()
{
if (this.getVisible())
{
if (this.getEnableBackgroundDrawing())
{
drawRect(this.xPos - 1, this.yPos - 1, this.xPos + this.width + 1, this.yPos + this.height + 1, -6250336);
drawRect(this.xPos, this.yPos, this.xPos + this.width, this.yPos + this.height, -16777216);
}
int i = this.isEnabled ? this.enabledColor : this.disabledColor;
int j = this.cursorPosition - this.lineScrollOffset;
int k = this.selectionEnd - this.lineScrollOffset;
String s = this.fontRenderer.trimStringToWidth(this.text.substring(this.lineScrollOffset), this.getWidth());
boolean flag = j >= 0 && j <= s.length();
boolean flag1 = this.isFocused && this.cursorCounter / 6 % 2 == 0 && flag;
int l = this.enableBackgroundDrawing ? this.xPos + 4 : this.xPos;
int i1 = this.enableBackgroundDrawing ? this.yPos + (this.height - 8) / 2 : this.yPos;
int j1 = l;
if (k > s.length())
{
k = s.length();
}
if (s.length() > 0)
{
String s1 = flag ? s.substring(0, j) : s;
j1 = this.fontRenderer.drawStringWithShadow(s1, l, i1, i);
}
boolean flag2 = this.cursorPosition < this.text.length() || this.text.length() >= this.getMaxStringLength();
int k1 = j1;
if (!flag)
{
k1 = j > 0 ? l + this.width : l;
}
else if (flag2)
{
k1 = j1 - 1;
--j1;
}
if (s.length() > 0 && flag && j < s.length())
{
this.fontRenderer.drawStringWithShadow(s.substring(j), j1, i1, i);
}
if (flag1)
{
if (flag2)
{
Gui.drawRect(k1, i1 - 1, k1 + 1, i1 + 1 + this.fontRenderer.FONT_HEIGHT, -3092272);
}
else
{
this.fontRenderer.drawStringWithShadow("_", k1, i1, i);
}
}
if (k != j)
{
int l1 = l + this.fontRenderer.getStringWidth(s.substring(0, k));
this.drawCursorVertical(k1, i1 - 1, l1 - 1, i1 + 1 + this.fontRenderer.FONT_HEIGHT);
}
}
}
/**
* draws the vertical line cursor in the textbox
*/
private void drawCursorVertical(int par1, int par2, int par3, int par4)
{
int i1;
if (par1 < par3)
{
i1 = par1;
par1 = par3;
par3 = i1;
}
if (par2 < par4)
{
i1 = par2;
par2 = par4;
par4 = i1;
}
Tessellator tessellator = Tessellator.instance;
GL11.glColor4f(0.0F, 0.0F, 255.0F, 255.0F);
GL11.glDisable(GL11.GL_TEXTURE_2D);
GL11.glEnable(GL11.GL_COLOR_LOGIC_OP);
GL11.glLogicOp(GL11.GL_OR_REVERSE);
tessellator.startDrawingQuads();
tessellator.addVertex((double)par1, (double)par4, 0.0D);
tessellator.addVertex((double)par3, (double)par4, 0.0D);
tessellator.addVertex((double)par3, (double)par2, 0.0D);
tessellator.addVertex((double)par1, (double)par2, 0.0D);
tessellator.draw();
GL11.glDisable(GL11.GL_COLOR_LOGIC_OP);
GL11.glEnable(GL11.GL_TEXTURE_2D);
}
public void setMaxStringLength(int par1)
{
this.maxStringLength = par1;
if (this.text.length() > par1)
{
this.text = this.text.substring(0, par1);
}
}
/**
* returns the maximum number of character that can be contained in this textbox
*/
public int getMaxStringLength()
{
return this.maxStringLength;
}
/**
* returns the current position of the cursor
*/
public int getCursorPosition()
{
return this.cursorPosition;
}
/**
* get enable drawing background and outline
*/
public boolean getEnableBackgroundDrawing()
{
return this.enableBackgroundDrawing;
}
/**
* enable drawing background and outline
*/
public void setEnableBackgroundDrawing(boolean par1)
{
this.enableBackgroundDrawing = par1;
}
/**
* Sets the text colour for this textbox (disabled text will not use this colour)
*/
public void setTextColor(int par1)
{
this.enabledColor = par1;
}
public void setDisabledTextColour(int par1)
{
this.disabledColor = par1;
}
/**
* setter for the focused field
*/
public void setFocused(boolean par1)
{
if (par1 && !this.isFocused)
{
this.cursorCounter = 0;
}
this.isFocused = par1;
}
/**
* getter for the focused field
*/
public boolean isFocused()
{
return this.isFocused;
}
public void setEnabled(boolean par1)
{
this.isEnabled = par1;
}
/**
* the side of the selection that is not the cursor, maye be the same as the cursor
*/
public int getSelectionEnd()
{
return this.selectionEnd;
}
/**
* returns the width of the textbox depending on if the the box is enabled
*/
public int getWidth()
{
return this.getEnableBackgroundDrawing() ? this.width - 8 : this.width;
}
/**
* Sets the position of the selection anchor (i.e. position the selection was started at)
*/
public void setSelectionPos(int par1)
{
int j = this.text.length();
if (par1 > j)
{
par1 = j;
}
if (par1 < 0)
{
par1 = 0;
}
this.selectionEnd = par1;
if (this.fontRenderer != null)
{
if (this.lineScrollOffset > j)
{
this.lineScrollOffset = j;
}
int k = this.getWidth();
String s = this.fontRenderer.trimStringToWidth(this.text.substring(this.lineScrollOffset), k);
int l = s.length() + this.lineScrollOffset;
if (par1 == this.lineScrollOffset)
{
this.lineScrollOffset -= this.fontRenderer.trimStringToWidth(this.text, k, true).length();
}
if (par1 > l)
{
this.lineScrollOffset += par1 - l;
}
else if (par1 <= this.lineScrollOffset)
{
this.lineScrollOffset -= this.lineScrollOffset - par1;
}
if (this.lineScrollOffset < 0)
{
this.lineScrollOffset = 0;
}
if (this.lineScrollOffset > j)
{
this.lineScrollOffset = j;
}
}
}
/**
* if true the textbox can lose focus by clicking elsewhere on the screen
*/
public void setCanLoseFocus(boolean par1)
{
this.canLoseFocus = par1;
}
/**
* @return {@code true} if this textbox is visible
*/
public boolean getVisible()
{
return this.visible;
}
/**
* Sets whether or not this textbox is visible
*/
public void setVisible(boolean par1)
{
this.visible = par1;
}
}