840 lines
26 KiB
C
840 lines
26 KiB
C
/*
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* tixDiITxt.c --
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*
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* This file implements one of the "Display Items" in the Tix library :
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* Image-text display items.
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*
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* Copyright (c) 1993-1999 Ioi Kim Lam.
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* Copyright (c) 2000-2001 Tix Project Group.
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*
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* See the file "license.terms" for information on usage and redistribution
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*
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* $Id: tixDiITxt.c,v 1.6 2004/03/28 02:44:56 hobbs Exp $
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*/
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#include <tixPort.h>
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#include <tk.h>
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#include <tixInt.h>
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#include <tixDef.h>
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#define DEF_IMAGETEXTITEM_BITMAP ""
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#define DEF_IMAGETEXTITEM_IMAGE ""
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#define DEF_IMAGETEXTITEM_TYPE "imagetext"
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#define DEF_IMAGETEXTITEM_SHOWIMAGE "1"
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#define DEF_IMAGETEXTITEM_SHOWTEXT "1"
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#define DEF_IMAGETEXTITEM_STYLE ""
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#define DEF_IMAGETEXTITEM_TEXT ""
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#define DEF_IMAGETEXTITEM_UNDERLINE "-1"
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static Tk_ConfigSpec imageTextItemConfigSpecs[] = {
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{TK_CONFIG_BITMAP, "-bitmap", "bitmap", "Bitmap",
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DEF_IMAGETEXTITEM_BITMAP, Tk_Offset(TixImageTextItem, bitmap),
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TK_CONFIG_NULL_OK},
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{TK_CONFIG_STRING, "-image", "image", "Image",
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DEF_IMAGETEXTITEM_IMAGE, Tk_Offset(TixImageTextItem, imageString),
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TK_CONFIG_NULL_OK},
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{TK_CONFIG_CUSTOM, "-itemtype", "itemType", "ItemType",
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DEF_IMAGETEXTITEM_TYPE, Tk_Offset(TixImageTextItem, diTypePtr),
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0, &tixConfigItemType},
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{TK_CONFIG_INT, "-showimage", "showImage", "ShowImage",
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DEF_IMAGETEXTITEM_SHOWIMAGE, Tk_Offset(TixImageTextItem, showImage), 0},
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{TK_CONFIG_INT, "-showtext", "showText", "ShowText",
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DEF_IMAGETEXTITEM_SHOWTEXT, Tk_Offset(TixImageTextItem, showText), 0},
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{TK_CONFIG_CUSTOM, "-style", "imageTextStyle", "ImageTextStyle",
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DEF_IMAGETEXTITEM_STYLE, Tk_Offset(TixImageTextItem, stylePtr),
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TK_CONFIG_NULL_OK, &tixConfigItemStyle},
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{TK_CONFIG_STRING, "-text", "text", "Text",
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DEF_IMAGETEXTITEM_TEXT, Tk_Offset(TixImageTextItem, text),
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TK_CONFIG_NULL_OK},
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{TK_CONFIG_INT, "-underline", "underline", "Underline",
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DEF_IMAGETEXTITEM_UNDERLINE, Tk_Offset(TixImageTextItem, underline), 0},
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{TK_CONFIG_END, (char *) NULL, (char *) NULL, (char *) NULL,
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(char *) NULL, 0, 0}
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};
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/*----------------------------------------------------------------------
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*
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* Configuration options for Text Styles
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*
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*----------------------------------------------------------------------
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*/
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#define DEF_IMAGETEXTSTYLE_NORMAL_FG_COLOR NORMAL_FG
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#define DEF_IMAGETEXTSTYLE_NORMAL_FG_MONO BLACK
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#define DEF_IMAGETEXTSTYLE_NORMAL_BG_COLOR TIX_EDITOR_BG
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#define DEF_IMAGETEXTSTYLE_NORMAL_BG_MONO WHITE
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#define DEF_IMAGETEXTSTYLE_ACTIVE_FG_COLOR NORMAL_FG
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#define DEF_IMAGETEXTSTYLE_ACTIVE_FG_MONO WHITE
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#define DEF_IMAGETEXTSTYLE_ACTIVE_BG_COLOR TIX_EDITOR_BG
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#define DEF_IMAGETEXTSTYLE_ACTIVE_BG_MONO BLACK
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#define DEF_IMAGETEXTSTYLE_SELECTED_FG_COLOR SELECT_FG
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#define DEF_IMAGETEXTSTYLE_SELECTED_FG_MONO WHITE
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#define DEF_IMAGETEXTSTYLE_SELECTED_BG_COLOR SELECT_BG
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#define DEF_IMAGETEXTSTYLE_SELECTED_BG_MONO BLACK
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#define DEF_IMAGETEXTSTYLE_DISABLED_FG_COLOR BLACK
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#define DEF_IMAGETEXTSTYLE_DISABLED_FG_MONO BLACK
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#define DEF_IMAGETEXTSTYLE_DISABLED_BG_COLOR TIX_EDITOR_BG
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#define DEF_IMAGETEXTSTYLE_DISABLED_BG_MONO WHITE
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#define DEF_IMAGETEXTSTYLE_FONT CTL_FONT
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#define DEF_IMAGETEXTSTYLE_GAP "4"
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#define DEF_IMAGETEXTSTYLE_PADX "2"
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#define DEF_IMAGETEXTSTYLE_PADY "2"
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#define DEF_IMAGETEXTSTYLE_JUSTIFY "left"
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#define DEF_IMAGETEXTSTYLE_WLENGTH "0"
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#define DEF_IMAGETEXTSTYLE_ANCHOR "w"
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static Tk_ConfigSpec imageTextStyleConfigSpecs[] = {
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{TK_CONFIG_ANCHOR, "-anchor", "anchor", "Anchor",
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DEF_IMAGETEXTSTYLE_ANCHOR, Tk_Offset(TixImageTextStyle, anchor), 0},
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{TK_CONFIG_SYNONYM, "-bg", "background", (char *) NULL,
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(char *) NULL, 0, 0},
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{TK_CONFIG_SYNONYM, "-fg", "foreground", (char *) NULL,
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(char *) NULL, 0, 0},
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{TK_CONFIG_FONT, "-font", "font", "Font",
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DEF_IMAGETEXTSTYLE_FONT, Tk_Offset(TixImageTextStyle, font), 0},
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{TK_CONFIG_PIXELS, "-gap", "gap", "Gap",
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DEF_IMAGETEXTSTYLE_GAP, Tk_Offset(TixImageTextStyle, gap), 0},
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{TK_CONFIG_JUSTIFY, "-justify", "justify", "Justyfy",
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DEF_IMAGETEXTSTYLE_JUSTIFY, Tk_Offset(TixImageTextStyle, justify),
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TK_CONFIG_NULL_OK},
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{TK_CONFIG_PIXELS, "-padx", "padX", "Pad",
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DEF_IMAGETEXTSTYLE_PADX, Tk_Offset(TixImageTextStyle, pad[0]), 0},
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{TK_CONFIG_PIXELS, "-pady", "padY", "Pad",
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DEF_IMAGETEXTSTYLE_PADY, Tk_Offset(TixImageTextStyle, pad[1]), 0},
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{TK_CONFIG_PIXELS, "-wraplength", "wrapLength", "WrapLength",
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DEF_IMAGETEXTSTYLE_WLENGTH, Tk_Offset(TixImageTextStyle, wrapLength),
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0},
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/* The following is automatically generated */
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{TK_CONFIG_COLOR,"-background","background","Background",
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DEF_IMAGETEXTSTYLE_NORMAL_BG_COLOR,
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Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_NORMAL].bg),
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TK_CONFIG_COLOR_ONLY},
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{TK_CONFIG_COLOR,"-background","background","Background",
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DEF_IMAGETEXTSTYLE_NORMAL_BG_MONO,
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Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_NORMAL].bg),
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TK_CONFIG_MONO_ONLY},
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{TK_CONFIG_COLOR,"-foreground","foreground","Foreground",
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DEF_IMAGETEXTSTYLE_NORMAL_FG_COLOR,
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Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_NORMAL].fg),
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TK_CONFIG_COLOR_ONLY},
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{TK_CONFIG_COLOR,"-foreground","foreground","Foreground",
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DEF_IMAGETEXTSTYLE_NORMAL_FG_MONO,
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Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_NORMAL].fg),
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TK_CONFIG_MONO_ONLY},
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{TK_CONFIG_COLOR,"-activebackground","activeBackground","ActiveBackground",
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DEF_IMAGETEXTSTYLE_ACTIVE_BG_COLOR,
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Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_ACTIVE].bg),
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TK_CONFIG_COLOR_ONLY},
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{TK_CONFIG_COLOR,"-activebackground","activeBackground","ActiveBackground",
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DEF_IMAGETEXTSTYLE_ACTIVE_BG_MONO,
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Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_ACTIVE].bg),
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TK_CONFIG_MONO_ONLY},
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{TK_CONFIG_COLOR,"-activeforeground","activeForeground","ActiveForeground",
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DEF_IMAGETEXTSTYLE_ACTIVE_FG_COLOR,
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Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_ACTIVE].fg),
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TK_CONFIG_COLOR_ONLY},
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{TK_CONFIG_COLOR,"-activeforeground","activeForeground","ActiveForeground",
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DEF_IMAGETEXTSTYLE_ACTIVE_FG_MONO,
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Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_ACTIVE].fg),
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TK_CONFIG_MONO_ONLY},
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{TK_CONFIG_COLOR,"-selectbackground","selectBackground","SelectBackground",
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DEF_IMAGETEXTSTYLE_SELECTED_BG_COLOR,
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Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_SELECTED].bg),
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TK_CONFIG_COLOR_ONLY},
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{TK_CONFIG_COLOR,"-selectbackground","selectBackground","SelectBackground",
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DEF_IMAGETEXTSTYLE_SELECTED_BG_MONO,
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Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_SELECTED].bg),
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TK_CONFIG_MONO_ONLY},
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{TK_CONFIG_COLOR,"-selectforeground","selectForeground","SelectForeground",
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DEF_IMAGETEXTSTYLE_SELECTED_FG_COLOR,
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Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_SELECTED].fg),
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TK_CONFIG_COLOR_ONLY},
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{TK_CONFIG_COLOR,"-selectforeground","selectForeground","SelectForeground",
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DEF_IMAGETEXTSTYLE_SELECTED_FG_MONO,
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Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_SELECTED].fg),
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TK_CONFIG_MONO_ONLY},
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{TK_CONFIG_COLOR,"-disabledbackground","disabledBackground","DisabledBackground",
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DEF_IMAGETEXTSTYLE_DISABLED_BG_COLOR,
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Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_DISABLED].bg),
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TK_CONFIG_COLOR_ONLY},
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{TK_CONFIG_COLOR,"-disabledbackground","disabledBackground","DisabledBackground",
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DEF_IMAGETEXTSTYLE_DISABLED_BG_MONO,
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Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_DISABLED].bg),
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TK_CONFIG_MONO_ONLY},
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{TK_CONFIG_COLOR,"-disabledforeground","disabledForeground","DisabledForeground",
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DEF_IMAGETEXTSTYLE_DISABLED_FG_COLOR,
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Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_DISABLED].fg),
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TK_CONFIG_COLOR_ONLY},
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{TK_CONFIG_COLOR,"-disabledforeground","disabledForeground","DisabledForeground",
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DEF_IMAGETEXTSTYLE_DISABLED_FG_MONO,
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Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_DISABLED].fg),
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TK_CONFIG_MONO_ONLY},
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{TK_CONFIG_END, (char *) NULL, (char *) NULL, (char *) NULL,
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(char *) NULL, 0, 0}
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};
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/*----------------------------------------------------------------------
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* Forward declarations for procedures defined later in this file:
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*----------------------------------------------------------------------
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*/
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static void ImageProc _ANSI_ARGS_((ClientData clientData,
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int x, int y, int width, int height,
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int imgWidth, int imgHeight));
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static void Tix_ImageTextItemCalculateSize _ANSI_ARGS_((
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Tix_DItem * iPtr));
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static char * Tix_ImageTextItemComponent _ANSI_ARGS_((
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Tix_DItem * iPtr, int x, int y));
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static int Tix_ImageTextItemConfigure _ANSI_ARGS_((
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Tix_DItem * iPtr, int argc, CONST84 char ** argv,
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int flags));
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static Tix_DItem * Tix_ImageTextItemCreate _ANSI_ARGS_((
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Tix_DispData * ddPtr, Tix_DItemInfo * diTypePtr));
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static void Tix_ImageTextItemDisplay _ANSI_ARGS_((
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Drawable drawable, Tix_DItem * iPtr,
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int x, int y, int width, int height,
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int xOffset, int yOffset, int flag));
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static void Tix_ImageTextItemFree _ANSI_ARGS_((
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Tix_DItem * iPtr));
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static void Tix_ImageTextItemLostStyle _ANSI_ARGS_((
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Tix_DItem * iPtr));
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static void Tix_ImageTextItemStyleChanged _ANSI_ARGS_((
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Tix_DItem * iPtr));
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static int Tix_ImageTextStyleConfigure _ANSI_ARGS_((
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Tix_DItemStyle* style, int argc, CONST84 char ** argv,
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int flags));
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static Tix_DItemStyle * Tix_ImageTextStyleCreate _ANSI_ARGS_((
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Tcl_Interp *interp, Tk_Window tkwin,
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Tix_DItemInfo * diTypePtr, char * name));
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static void Tix_ImageTextStyleFree _ANSI_ARGS_((
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Tix_DItemStyle* style));
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static void Tix_ImageTextStyleSetTemplate _ANSI_ARGS_((
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Tix_DItemStyle* style,
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Tix_StyleTemplate * tmplPtr));
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Tix_DItemInfo tix_ImageTextItemType = {
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"imagetext", /* type */
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TIX_DITEM_IMAGETEXT,
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Tix_ImageTextItemCreate, /* createProc */
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Tix_ImageTextItemConfigure,
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Tix_ImageTextItemCalculateSize,
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Tix_ImageTextItemComponent,
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Tix_ImageTextItemDisplay,
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Tix_ImageTextItemFree,
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Tix_ImageTextItemStyleChanged,
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Tix_ImageTextItemLostStyle,
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Tix_ImageTextStyleCreate,
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Tix_ImageTextStyleConfigure,
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Tix_ImageTextStyleFree,
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Tix_ImageTextStyleSetTemplate,
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imageTextItemConfigSpecs,
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imageTextStyleConfigSpecs,
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NULL, /*next */
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};
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/*----------------------------------------------------------------------
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* Tix_ImageText --
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*
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*
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*----------------------------------------------------------------------
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*/
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static Tix_DItem * Tix_ImageTextItemCreate(ddPtr, diTypePtr)
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Tix_DispData * ddPtr;
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Tix_DItemInfo * diTypePtr;
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{
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TixImageTextItem * itPtr;
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itPtr = (TixImageTextItem*) ckalloc(sizeof(TixImageTextItem));
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itPtr->diTypePtr = diTypePtr;
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itPtr->ddPtr = ddPtr;
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itPtr->stylePtr = NULL;
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itPtr->clientData = 0;
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itPtr->size[0] = 0;
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itPtr->size[1] = 0;
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itPtr->bitmap = None;
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itPtr->bitmapW = 0;
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itPtr->bitmapH = 0;
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itPtr->imageString = NULL;
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itPtr->image = NULL;
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itPtr->imageW = 0;
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itPtr->imageH = 0;
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itPtr->numChars = 0; /* TODO: this is currently not used */
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itPtr->text = NULL;
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itPtr->textW = 0;
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itPtr->textH = 0;
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itPtr->underline = -1;
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itPtr->showImage = 1;
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itPtr->showText = 1;
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return (Tix_DItem *)itPtr;
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}
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static void Tix_ImageTextItemFree(iPtr)
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Tix_DItem * iPtr;
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{
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TixImageTextItem * itPtr = (TixImageTextItem *) iPtr;
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if (itPtr->image) {
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Tk_FreeImage(itPtr->image);
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}
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if (itPtr->stylePtr) {
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TixDItemStyleFree(iPtr, (Tix_DItemStyle*)itPtr->stylePtr);
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}
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Tk_FreeOptions(imageTextItemConfigSpecs, (char *)itPtr,
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itPtr->ddPtr->display, 0);
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ckfree((char*)itPtr);
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}
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static int Tix_ImageTextItemConfigure(iPtr, argc, argv, flags)
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Tix_DItem * iPtr;
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int argc;
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CONST84 char ** argv;
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int flags;
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{
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TixImageTextItem * itPtr = (TixImageTextItem *) iPtr;
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TixImageTextStyle * oldStyle = itPtr->stylePtr;
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if (Tk_ConfigureWidget(itPtr->ddPtr->interp, itPtr->ddPtr->tkwin,
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imageTextItemConfigSpecs,
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argc, argv, (char *)itPtr, flags) != TCL_OK) {
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return TCL_ERROR;
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}
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if (itPtr->stylePtr == NULL) {
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itPtr->stylePtr = (TixImageTextStyle*)TixGetDefaultDItemStyle(
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itPtr->ddPtr, &tix_ImageTextItemType, iPtr, NULL);
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}
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/*
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* Free the old images for the widget, if there were any.
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*/
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if (itPtr->image != NULL) {
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Tk_FreeImage(itPtr->image);
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itPtr->image = NULL;
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}
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if (itPtr->imageString != NULL) {
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itPtr->image = Tk_GetImage(itPtr->ddPtr->interp, itPtr->ddPtr->tkwin,
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itPtr->imageString, ImageProc, (ClientData) itPtr);
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if (itPtr->image == NULL) {
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return TCL_ERROR;
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}
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}
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if (oldStyle != NULL && itPtr->stylePtr != oldStyle) {
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Tix_ImageTextItemStyleChanged(iPtr);
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}
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else {
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Tix_ImageTextItemCalculateSize((Tix_DItem*)itPtr);
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}
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return TCL_OK;
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}
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/*
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*----------------------------------------------------------------------
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*
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* Tix_ImageTextItemDisplay --
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*
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* Display an imagetext item. {x, y, width, height} specifies a
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* region for to display this item in. {xOffset, yOffset} gives
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* the offset of the top-left corner of the text item relative
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* to the top-left corder of the region.
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*
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* Background and foreground of the item are displayed according
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* to the flags parameter.
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*
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* Results:
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* None.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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static void
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Tix_ImageTextItemDisplay(drawable, iPtr, x, y, width, height,
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xOffset, yOffset, flags)
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Drawable drawable; /* Where to display this item */
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Tix_DItem * iPtr; /* Item to display */
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int x; /* x pos of top-left corner of region
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* to display item in */
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int y; /* y pos of top-left corner of region */
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int width; /* width of region */
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int height; /* height of region */
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int xOffset; /* X offset of item within region */
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int yOffset; /* Y offset of item within region */
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int flags; /* Controls how fg/bg/anchor lines are
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* drawn */
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{
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TixImageTextItem *itPtr = (TixImageTextItem *)iPtr;
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GC foreGC, bitmapGC;
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TixpSubRegion subReg;
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Display * display = itPtr->ddPtr->display;
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if ((width <= 0) || (height <= 0)) {
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return;
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}
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TixGetColorDItemGC(iPtr, NULL, &foreGC, NULL, flags);
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TixpStartSubRegionDraw(display, drawable, foreGC,
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&subReg, 0, 0, x, y, width, height,
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itPtr->size[0] + xOffset, itPtr->size[1] + yOffset);
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Tix_DItemDrawBackground(drawable, &subReg, iPtr, x, y, width, height,
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xOffset, yOffset, flags);
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/*
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* Calculate the location of the item body according to anchor settings.
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*/
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TixDItemGetAnchor(iPtr->base.stylePtr->anchor, x, y, width, height,
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iPtr->base.size[0], iPtr->base.size[1], &x, &y);
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x += xOffset;
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y += yOffset;
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/*
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* Draw the foreground items
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*/
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if (itPtr->image != NULL) {
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int bitY;
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bitY = itPtr->size[1] - itPtr->imageH - 2*itPtr->stylePtr->pad[1];
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if (bitY > 0) {
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bitY = bitY / 2 + (bitY %2);
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} else {
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bitY = 0;
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}
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if (itPtr->showImage && foreGC != None) {
|
||
TixpSubRegDrawImage(&subReg, itPtr->image, 0, 0,
|
||
itPtr->imageW, itPtr->imageH, drawable,
|
||
x + itPtr->stylePtr->pad[0],
|
||
y + itPtr->stylePtr->pad[1] + bitY);
|
||
}
|
||
x += itPtr->imageW + itPtr->stylePtr->gap;
|
||
}
|
||
else if (itPtr->bitmap != None) {
|
||
int bitY;
|
||
|
||
bitY = itPtr->size[1] - itPtr->bitmapH - 2*itPtr->stylePtr->pad[1];
|
||
if (bitY > 0) {
|
||
bitY = bitY / 2 + (bitY %2);
|
||
} else {
|
||
bitY = 0;
|
||
}
|
||
|
||
if (itPtr->showImage && foreGC != None) {
|
||
if ((flags & TIX_DITEM_ALL_BG) != 0) {
|
||
/*
|
||
* If we draw the background, the bitmap is never
|
||
* displayed as selected, so we choose the normal GC.
|
||
*/
|
||
|
||
bitmapGC = itPtr->stylePtr->colors[TIX_DITEM_NORMAL].foreGC;
|
||
} else {
|
||
/*
|
||
* The caller has already drawn the background. foreGC
|
||
* is the most compatible GC to be used with the background.
|
||
*/
|
||
|
||
bitmapGC = foreGC;
|
||
}
|
||
|
||
TixpSubRegDrawBitmap(display, drawable, bitmapGC,
|
||
&subReg, itPtr->bitmap, 0, 0,
|
||
itPtr->bitmapW, itPtr->bitmapH,
|
||
x + itPtr->stylePtr->pad[0],
|
||
y + itPtr->stylePtr->pad[1] + bitY,
|
||
1);
|
||
}
|
||
x += itPtr->bitmapW + itPtr->stylePtr->gap;
|
||
}
|
||
|
||
if (itPtr->text && itPtr->showText && foreGC != None) {
|
||
int textY;
|
||
|
||
textY = itPtr->size[1] - itPtr->textH - 2*itPtr->stylePtr->pad[1];
|
||
if (textY > 0) {
|
||
textY = textY / 2 + (textY %2);
|
||
} else {
|
||
textY = 0;
|
||
}
|
||
|
||
TixpSubRegDisplayText(display, drawable, foreGC, &subReg,
|
||
itPtr->stylePtr->font, itPtr->text, -1,
|
||
x + itPtr->stylePtr->pad[0],
|
||
y + itPtr->stylePtr->pad[1] + textY,
|
||
itPtr->textW,
|
||
itPtr->stylePtr->justify,
|
||
itPtr->underline);
|
||
}
|
||
|
||
TixpEndSubRegionDraw(display, drawable, foreGC,
|
||
&subReg);
|
||
}
|
||
|
||
static void
|
||
Tix_ImageTextItemCalculateSize(iPtr)
|
||
Tix_DItem * iPtr;
|
||
{
|
||
TixImageTextItem *itPtr = (TixImageTextItem *)iPtr;
|
||
char * text;
|
||
|
||
itPtr->size[0] = 0;
|
||
itPtr->size[1] = 0;
|
||
|
||
/*
|
||
* Note: the size of the image or the text are used even when
|
||
* the showImage or showText options are off. These two options are
|
||
* used to "blank" the respective components temporarily without
|
||
* affecting the geometry of the ditem. The main is to indicate
|
||
* transfer during drag+drop.
|
||
*
|
||
* If you want the image or text to completely disappear, config them
|
||
* to NULL
|
||
*/
|
||
|
||
if (itPtr->image != NULL) {
|
||
Tk_SizeOfImage(itPtr->image, &itPtr->imageW, &itPtr->imageH);
|
||
|
||
itPtr->size[0] = itPtr->imageW + itPtr->stylePtr->gap;
|
||
itPtr->size[1] = itPtr->imageH;
|
||
}
|
||
else if (itPtr->bitmap != None) {
|
||
Tk_SizeOfBitmap(itPtr->ddPtr->display, itPtr->bitmap, &itPtr->bitmapW,
|
||
&itPtr->bitmapH);
|
||
|
||
itPtr->size[0] = itPtr->bitmapW + itPtr->stylePtr->gap;
|
||
itPtr->size[1] = itPtr->bitmapH;
|
||
}
|
||
|
||
text = itPtr->text;
|
||
if (text == NULL || text[0] == '\0') {
|
||
/*
|
||
* Use one space character so that the height of the item
|
||
* would be the same as a regular small item, and the width
|
||
* of the item won't be too tiny.
|
||
*/
|
||
|
||
text = " ";
|
||
}
|
||
|
||
TixComputeTextGeometry(itPtr->stylePtr->font, text,
|
||
-1, itPtr->stylePtr->wrapLength,
|
||
&itPtr->textW, &itPtr->textH);
|
||
|
||
itPtr->size[0] += itPtr->textW;
|
||
|
||
if (itPtr->textH > itPtr->size[1]) {
|
||
itPtr->size[1] = itPtr->textH;
|
||
}
|
||
|
||
itPtr->size[0] += 2*itPtr->stylePtr->pad[0];
|
||
itPtr->size[1] += 2*itPtr->stylePtr->pad[1];
|
||
|
||
itPtr->selX = 0;
|
||
itPtr->selY = 0;
|
||
itPtr->selW = itPtr->size[0];
|
||
itPtr->selH = itPtr->size[1];
|
||
|
||
if (itPtr->image != NULL) {
|
||
itPtr->selX = itPtr->imageW + itPtr->stylePtr->gap;
|
||
itPtr->selW -= itPtr->selX;
|
||
} else if (itPtr->bitmap != None) {
|
||
itPtr->selX = itPtr->bitmapW + itPtr->stylePtr->gap;
|
||
itPtr->selW -= itPtr->selX;
|
||
}
|
||
}
|
||
|
||
static char * Tix_ImageTextItemComponent(iPtr, x, y)
|
||
Tix_DItem * iPtr;
|
||
int x;
|
||
int y;
|
||
{
|
||
/* TODO: Unimplemented */
|
||
#if 0
|
||
TixImageTextItem *itPtr = (TixImageTextItem *)iPtr;
|
||
#endif
|
||
|
||
static char * body = "body";
|
||
|
||
return body;
|
||
}
|
||
|
||
|
||
static void Tix_ImageTextItemStyleChanged(iPtr)
|
||
Tix_DItem * iPtr;
|
||
{
|
||
TixImageTextItem *itPtr = (TixImageTextItem *)iPtr;
|
||
|
||
if (itPtr->stylePtr == NULL) {
|
||
/* Maybe we haven't set the style to default style yet */
|
||
return;
|
||
}
|
||
Tix_ImageTextItemCalculateSize(iPtr);
|
||
if (itPtr->ddPtr->sizeChangedProc != NULL) {
|
||
itPtr->ddPtr->sizeChangedProc(iPtr);
|
||
}
|
||
}
|
||
static void Tix_ImageTextItemLostStyle(iPtr)
|
||
Tix_DItem * iPtr;
|
||
{
|
||
TixImageTextItem *itPtr = (TixImageTextItem *)iPtr;
|
||
|
||
itPtr->stylePtr = (TixImageTextStyle*)TixGetDefaultDItemStyle(
|
||
itPtr->ddPtr, &tix_ImageTextItemType, iPtr, NULL);
|
||
|
||
Tix_ImageTextItemStyleChanged(iPtr);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* ImageProc --
|
||
*
|
||
* This procedure is invoked by the image code whenever the manager
|
||
* for an image does something that affects the size of contents
|
||
* of an image displayed in this widget.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Arranges for the HList to get redisplayed.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
static void
|
||
ImageProc(clientData, x, y, width, height, imgWidth, imgHeight)
|
||
ClientData clientData; /* Pointer to widget record. */
|
||
int x, y; /* Upper left pixel (within image)
|
||
* that must be redisplayed. */
|
||
int width, height; /* Dimensions of area to redisplay
|
||
* (may be <= 0). */
|
||
int imgWidth, imgHeight; /* New dimensions of image. */
|
||
{
|
||
TixImageTextItem *itPtr = (TixImageTextItem *)clientData;
|
||
|
||
Tix_ImageTextItemCalculateSize((Tix_DItem *)itPtr);
|
||
if (itPtr->ddPtr->sizeChangedProc != NULL) {
|
||
itPtr->ddPtr->sizeChangedProc((Tix_DItem *)itPtr);
|
||
}
|
||
}
|
||
|
||
/*----------------------------------------------------------------------
|
||
*
|
||
*
|
||
* Display styles
|
||
*
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
static Tix_DItemStyle *
|
||
Tix_ImageTextStyleCreate(interp, tkwin, diTypePtr, name)
|
||
Tcl_Interp * interp;
|
||
Tk_Window tkwin;
|
||
char * name;
|
||
Tix_DItemInfo * diTypePtr;
|
||
{
|
||
TixImageTextStyle * stylePtr =
|
||
(TixImageTextStyle *)ckalloc(sizeof(TixImageTextStyle));
|
||
|
||
stylePtr->font = NULL;
|
||
stylePtr->gap = 0;
|
||
stylePtr->justify = TK_JUSTIFY_LEFT;
|
||
stylePtr->wrapLength = 0;
|
||
|
||
return (Tix_DItemStyle *)stylePtr;
|
||
}
|
||
|
||
static int
|
||
Tix_ImageTextStyleConfigure(style, argc, argv, flags)
|
||
Tix_DItemStyle *style;
|
||
int argc;
|
||
CONST84 char ** argv;
|
||
int flags;
|
||
{
|
||
TixImageTextStyle * stylePtr = (TixImageTextStyle *)style;
|
||
XGCValues gcValues;
|
||
GC newGC;
|
||
int i, isNew;
|
||
|
||
if (stylePtr->font == NULL) {
|
||
isNew = 1;
|
||
} else {
|
||
isNew = 0;
|
||
}
|
||
|
||
/*
|
||
* TODO: gap, wrapLength, etc changes: need to call TixDItemStyleChanged
|
||
*/
|
||
|
||
if (!(flags &TIX_DONT_CALL_CONFIG)) {
|
||
if (Tk_ConfigureWidget(stylePtr->interp, stylePtr->tkwin,
|
||
imageTextStyleConfigSpecs,
|
||
argc, argv, (char *)stylePtr, flags) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
}
|
||
|
||
gcValues.font = TixFontId(stylePtr->font);
|
||
gcValues.graphics_exposures = False;
|
||
|
||
for (i=0; i<4; i++) {
|
||
/*
|
||
* Foreground GC
|
||
*/
|
||
|
||
gcValues.background = stylePtr->colors[i].bg->pixel;
|
||
gcValues.foreground = stylePtr->colors[i].fg->pixel;
|
||
newGC = Tk_GetGC(stylePtr->tkwin,
|
||
GCFont|GCForeground|GCBackground|GCGraphicsExposures, &gcValues);
|
||
|
||
if (stylePtr->colors[i].foreGC != None) {
|
||
Tk_FreeGC(Tk_Display(stylePtr->tkwin),
|
||
stylePtr->colors[i].foreGC);
|
||
}
|
||
stylePtr->colors[i].foreGC = newGC;
|
||
|
||
/*
|
||
* Background GC
|
||
*/
|
||
|
||
gcValues.foreground = stylePtr->colors[i].bg->pixel;
|
||
newGC = Tk_GetGC(stylePtr->tkwin,
|
||
GCFont|GCForeground|GCGraphicsExposures, &gcValues);
|
||
|
||
if (stylePtr->colors[i].backGC != None) {
|
||
Tk_FreeGC(Tk_Display(stylePtr->tkwin),
|
||
stylePtr->colors[i].backGC);
|
||
}
|
||
stylePtr->colors[i].backGC = newGC;
|
||
|
||
/*
|
||
* Anchor GC
|
||
*/
|
||
|
||
newGC = Tix_GetAnchorGC(stylePtr->tkwin,
|
||
stylePtr->colors[i].bg);
|
||
|
||
if (stylePtr->colors[i].anchorGC != None) {
|
||
Tk_FreeGC(Tk_Display(stylePtr->tkwin),
|
||
stylePtr->colors[i].anchorGC);
|
||
}
|
||
stylePtr->colors[i].anchorGC = newGC;
|
||
}
|
||
|
||
if (!isNew) {
|
||
TixDItemStyleChanged(stylePtr->diTypePtr, (Tix_DItemStyle *)stylePtr);
|
||
}
|
||
|
||
return TCL_OK;
|
||
}
|
||
|
||
static void Tix_ImageTextStyleFree(style)
|
||
Tix_DItemStyle *style;
|
||
{
|
||
TixImageTextStyle * stylePtr = (TixImageTextStyle *)style;
|
||
|
||
Tk_FreeOptions(imageTextStyleConfigSpecs, (char *)stylePtr,
|
||
Tk_Display(stylePtr->tkwin), 0);
|
||
ckfree((char *)stylePtr);
|
||
}
|
||
|
||
static int bg_flags [4] = {
|
||
TIX_DITEM_NORMAL_BG,
|
||
TIX_DITEM_ACTIVE_BG,
|
||
TIX_DITEM_SELECTED_BG,
|
||
TIX_DITEM_DISABLED_BG
|
||
};
|
||
static int fg_flags [4] = {
|
||
TIX_DITEM_NORMAL_FG,
|
||
TIX_DITEM_ACTIVE_FG,
|
||
TIX_DITEM_SELECTED_FG,
|
||
TIX_DITEM_DISABLED_FG
|
||
};
|
||
|
||
static void
|
||
Tix_ImageTextStyleSetTemplate(style, tmplPtr)
|
||
Tix_DItemStyle* style;
|
||
Tix_StyleTemplate * tmplPtr;
|
||
{
|
||
TixImageTextStyle * stylePtr = (TixImageTextStyle *)style;
|
||
int i;
|
||
|
||
if (tmplPtr->flags & TIX_DITEM_FONT) {
|
||
if (stylePtr->font != NULL) {
|
||
TixFreeFont(stylePtr->font);
|
||
}
|
||
stylePtr->font = TixGetFont(
|
||
stylePtr->interp, stylePtr->tkwin,
|
||
TixNameOfFont(tmplPtr->font));
|
||
}
|
||
if (tmplPtr->flags & TIX_DITEM_PADX) {
|
||
stylePtr->pad[0] = tmplPtr->pad[0];
|
||
}
|
||
if (tmplPtr->flags & TIX_DITEM_PADY) {
|
||
stylePtr->pad[1] = tmplPtr->pad[1];
|
||
}
|
||
|
||
for (i=0; i<4; i++) {
|
||
if (tmplPtr->flags & bg_flags[i]) {
|
||
if (stylePtr->colors[i].bg != NULL) {
|
||
Tk_FreeColor(stylePtr->colors[i].bg);
|
||
}
|
||
stylePtr->colors[i].bg = Tk_GetColor(
|
||
stylePtr->interp, stylePtr->tkwin,
|
||
Tk_NameOfColor(tmplPtr->colors[i].bg));
|
||
}
|
||
}
|
||
for (i=0; i<4; i++) {
|
||
if (tmplPtr->flags & fg_flags[i]) {
|
||
if (stylePtr->colors[i].fg != NULL) {
|
||
Tk_FreeColor(stylePtr->colors[i].fg);
|
||
}
|
||
stylePtr->colors[i].fg = Tk_GetColor(
|
||
stylePtr->interp, stylePtr->tkwin,
|
||
Tk_NameOfColor(tmplPtr->colors[i].fg));
|
||
}
|
||
}
|
||
|
||
Tix_ImageTextStyleConfigure(style, 0, 0, TIX_DONT_CALL_CONFIG);
|
||
}
|