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; private int field_73816_n = 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 var1 = this.cursorPosition < this.selectionEnd ? this.cursorPosition : this.selectionEnd; int var2 = this.cursorPosition < this.selectionEnd ? this.selectionEnd : this.cursorPosition; return this.text.substring(var1, var2); } /** * replaces selected text, or inserts text at the position on the cursor */ public void writeText(String par1Str) { String var2 = ""; String var3 = ChatAllowedCharacters.filerAllowedCharacters(par1Str); int var4 = this.cursorPosition < this.selectionEnd ? this.cursorPosition : this.selectionEnd; int var5 = this.cursorPosition < this.selectionEnd ? this.selectionEnd : this.cursorPosition; int var6 = this.maxStringLength - this.text.length() - (var4 - this.selectionEnd); boolean var7 = false; if (this.text.length() > 0) { var2 = var2 + this.text.substring(0, var4); } int var8; if (var6 < var3.length()) { var2 = var2 + var3.substring(0, var6); var8 = var6; } else { var2 = var2 + var3; var8 = var3.length(); } if (this.text.length() > 0 && var5 < this.text.length()) { var2 = var2 + this.text.substring(var5); } this.text = var2; this.moveCursorBy(var4 - this.selectionEnd + var8); } /** * 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 var2 = par1 < 0; int var3 = var2 ? this.cursorPosition + par1 : this.cursorPosition; int var4 = var2 ? this.cursorPosition : this.cursorPosition + par1; String var5 = ""; if (var3 >= 0) { var5 = this.text.substring(0, var3); } if (var4 < this.text.length()) { var5 = var5 + this.text.substring(var4); } this.text = var5; if (var2) { 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 var4 = par2; boolean var5 = par1 < 0; int var6 = Math.abs(par1); for (int var7 = 0; var7 < var6; ++var7) { if (var5) { while (par3 && var4 > 0 && this.text.charAt(var4 - 1) == 32) { --var4; } while (var4 > 0 && this.text.charAt(var4 - 1) != 32) { --var4; } } else { int var8 = this.text.length(); var4 = this.text.indexOf(32, var4); if (var4 == -1) { var4 = var8; } else { while (par3 && var4 < var8 && this.text.charAt(var4) == 32) { ++var4; } } } } return var4; } /** * 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 var2 = this.text.length(); if (this.cursorPosition < 0) { this.cursorPosition = 0; } if (this.cursorPosition > var2) { this.cursorPosition = var2; } 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 var4 = par1 >= this.xPos && par1 < this.xPos + this.width && par2 >= this.yPos && par2 < this.yPos + this.height; if (this.canLoseFocus) { this.setFocused(this.isEnabled && var4); } if (this.isFocused && par3 == 0) { int var5 = par1 - this.xPos; if (this.enableBackgroundDrawing) { var5 -= 4; } String var6 = this.fontRenderer.trimStringToWidth(this.text.substring(this.field_73816_n), this.getWidth()); this.setCursorPosition(this.fontRenderer.trimStringToWidth(var6, var5).length() + this.field_73816_n); } } /** * 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 var1 = this.isEnabled ? this.enabledColor : this.disabledColor; int var2 = this.cursorPosition - this.field_73816_n; int var3 = this.selectionEnd - this.field_73816_n; String var4 = this.fontRenderer.trimStringToWidth(this.text.substring(this.field_73816_n), this.getWidth()); boolean var5 = var2 >= 0 && var2 <= var4.length(); boolean var6 = this.isFocused && this.cursorCounter / 6 % 2 == 0 && var5; int var7 = this.enableBackgroundDrawing ? this.xPos + 4 : this.xPos; int var8 = this.enableBackgroundDrawing ? this.yPos + (this.height - 8) / 2 : this.yPos; int var9 = var7; if (var3 > var4.length()) { var3 = var4.length(); } if (var4.length() > 0) { String var10 = var5 ? var4.substring(0, var2) : var4; var9 = this.fontRenderer.drawStringWithShadow(var10, var7, var8, var1); } boolean var13 = this.cursorPosition < this.text.length() || this.text.length() >= this.getMaxStringLength(); int var11 = var9; if (!var5) { var11 = var2 > 0 ? var7 + this.width : var7; } else if (var13) { var11 = var9 - 1; --var9; } if (var4.length() > 0 && var5 && var2 < var4.length()) { this.fontRenderer.drawStringWithShadow(var4.substring(var2), var9, var8, var1); } if (var6) { if (var13) { Gui.drawRect(var11, var8 - 1, var11 + 1, var8 + 1 + this.fontRenderer.FONT_HEIGHT, -3092272); } else { this.fontRenderer.drawStringWithShadow("_", var11, var8, var1); } } if (var3 != var2) { int var12 = var7 + this.fontRenderer.getStringWidth(var4.substring(0, var3)); this.drawCursorVertical(var11, var8 - 1, var12 - 1, var8 + 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 var5; if (par1 < par3) { var5 = par1; par1 = par3; par3 = var5; } if (par2 < par4) { var5 = par2; par2 = par4; par4 = var5; } Tessellator var6 = 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); var6.startDrawingQuads(); var6.addVertex((double)par1, (double)par4, 0.0D); var6.addVertex((double)par3, (double)par4, 0.0D); var6.addVertex((double)par3, (double)par2, 0.0D); var6.addVertex((double)par1, (double)par2, 0.0D); var6.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 func_82266_h(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 func_82265_c(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 var2 = this.text.length(); if (par1 > var2) { par1 = var2; } if (par1 < 0) { par1 = 0; } this.selectionEnd = par1; if (this.fontRenderer != null) { if (this.field_73816_n > var2) { this.field_73816_n = var2; } int var3 = this.getWidth(); String var4 = this.fontRenderer.trimStringToWidth(this.text.substring(this.field_73816_n), var3); int var5 = var4.length() + this.field_73816_n; if (par1 == this.field_73816_n) { this.field_73816_n -= this.fontRenderer.trimStringToWidth(this.text, var3, true).length(); } if (par1 > var5) { this.field_73816_n += par1 - var5; } else if (par1 <= this.field_73816_n) { this.field_73816_n -= this.field_73816_n - par1; } if (this.field_73816_n < 0) { this.field_73816_n = 0; } if (this.field_73816_n > var2) { this.field_73816_n = var2; } } } /** * 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; } }