169 lines
4.6 KiB
C
169 lines
4.6 KiB
C
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/*
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* text functions
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*
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* Copyright 1993 Alexandre Julliard
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*/
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static char Copyright[] = "Copyright Alexandre Julliard, 1993";
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#include <X11/Intrinsic.h>
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#include <X11/StringDefs.h>
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#include <X11/Core.h>
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#include <X11/Shell.h>
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#include <X11/Xatom.h>
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#include "message.h"
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#include "callback.h"
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#include "win.h"
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#include "gdi.h"
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/***********************************************************************
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* DrawText (USER.85)
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*/
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int DrawText( HDC hdc, LPSTR str, int count, LPRECT rect, WORD flags )
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{
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int x = rect->left, y = rect->top;
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if (flags & DT_CENTER) x = (rect->left + rect->right) / 2;
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if (flags & DT_VCENTER) y = (rect->top + rect->bottom) / 2;
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if (count == -1) count = strlen(str);
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if (!TextOut( hdc, x, y, str, count )) return 0;
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return 1;
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}
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/***********************************************************************
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* TextOut (GDI.33)
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*/
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BOOL TextOut( HDC hdc, short x, short y, LPSTR str, short count )
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{
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int dir, ascent, descent, i;
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XCharStruct info;
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XFontStruct *font;
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return FALSE;
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if (!DC_SetupGCForText( dc )) return TRUE;
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font = dc->u.x.font.fstruct;
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if (dc->w.textAlign & TA_UPDATECP)
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{
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x = dc->w.CursPosX;
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y = dc->w.CursPosY;
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}
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#ifdef DEBUG_TEXT
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printf( "TextOut: %d,%d '%s'\n", x, y, str );
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#endif
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x = XLPTODP( dc, x );
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y = YLPTODP( dc, y );
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XTextExtents( font, str, count, &dir, &ascent, &descent, &info );
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info.width += count*dc->w.charExtra + dc->w.breakExtra*dc->w.breakCount;
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/* Compute starting position */
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switch( dc->w.textAlign & (TA_LEFT | TA_RIGHT | TA_CENTER) )
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{
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case TA_LEFT:
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if (dc->w.textAlign & TA_UPDATECP)
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dc->w.CursPosX = XDPTOLP( dc, x + info.width );
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break;
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case TA_RIGHT:
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x -= info.width;
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if (dc->w.textAlign & TA_UPDATECP) dc->w.CursPosX = XDPTOLP( dc, x );
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break;
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case TA_CENTER:
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x -= info.width / 2;
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break;
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}
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switch( dc->w.textAlign & (TA_TOP | TA_BOTTOM | TA_BASELINE) )
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{
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case TA_TOP:
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y += font->ascent;
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break;
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case TA_BOTTOM:
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y -= font->descent;
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break;
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case TA_BASELINE:
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break;
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}
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/* Draw text */
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if (!dc->w.charExtra && !dc->w.breakExtra)
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{
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if (dc->w.backgroundMode == TRANSPARENT)
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XDrawString( XT_display, dc->u.x.drawable, dc->u.x.gc,
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x, y, str, count );
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else
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XDrawImageString( XT_display, dc->u.x.drawable, dc->u.x.gc,
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x, y, str, count );
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}
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else
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{
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char * p = str;
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int xchar = x;
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for (i = 0; i < count; i++, p++)
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{
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XCharStruct * charStr;
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unsigned char ch = *p;
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int extraWidth;
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if ((ch < font->min_char_or_byte2)||(ch > font->max_char_or_byte2))
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ch = font->default_char;
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if (!font->per_char) charStr = &font->min_bounds;
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else charStr = font->per_char + ch - font->min_char_or_byte2;
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extraWidth = dc->w.charExtra;
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if (ch == dc->u.x.font.metrics.tmBreakChar)
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extraWidth += dc->w.breakExtra;
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if (dc->w.backgroundMode == TRANSPARENT)
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XDrawString( XT_display, dc->u.x.drawable, dc->u.x.gc,
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xchar, y, p, 1 );
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else
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{
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XDrawImageString( XT_display, dc->u.x.drawable, dc->u.x.gc,
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xchar, y, p, 1 );
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XSetForeground( XT_display, dc->u.x.gc, dc->w.backgroundPixel);
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XFillRectangle( XT_display, dc->u.x.drawable, dc->u.x.gc,
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xchar + charStr->width, y - font->ascent,
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extraWidth, font->ascent + font->descent );
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XSetForeground( XT_display, dc->u.x.gc, dc->w.textPixel );
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}
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xchar += charStr->width + extraWidth;
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}
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}
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/* Draw underline and strike-out if needed */
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if (dc->u.x.font.metrics.tmUnderlined)
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{
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long linePos, lineWidth;
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if (!XGetFontProperty( font, XA_UNDERLINE_POSITION, &linePos ))
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linePos = font->descent-1;
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if (!XGetFontProperty( font, XA_UNDERLINE_THICKNESS, &lineWidth ))
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lineWidth = 0;
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else if (lineWidth == 1) lineWidth = 0;
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XSetLineAttributes( XT_display, dc->u.x.gc, lineWidth,
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LineSolid, CapRound, JoinBevel );
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XDrawLine( XT_display, dc->u.x.drawable, dc->u.x.gc,
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x, y + linePos, x + info.width, y + linePos );
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}
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if (dc->u.x.font.metrics.tmStruckOut)
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{
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long lineAscent, lineDescent;
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if (!XGetFontProperty( font, XA_STRIKEOUT_ASCENT, &lineAscent ))
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lineAscent = font->ascent / 3;
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if (!XGetFontProperty( font, XA_STRIKEOUT_DESCENT, &lineDescent ))
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lineDescent = -lineAscent;
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XSetLineAttributes( XT_display, dc->u.x.gc, lineAscent + lineDescent,
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LineSolid, CapRound, JoinBevel );
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XDrawLine( XT_display, dc->u.x.drawable, dc->u.x.gc,
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x, y - lineAscent, x + info.width, y - lineAscent );
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}
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return TRUE;
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}
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