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78 lines
2.3 KiB
78 lines
2.3 KiB
14 years ago
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// Scintilla source code edit control
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/** @file Indicator.cxx
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** Defines the style of indicators which are text decorations such as underlining.
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**/
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// Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
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// The License.txt file describes the conditions under which this software may be distributed.
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#include "Platform.h"
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#include "Scintilla.h"
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#include "Indicator.h"
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void Indicator::Draw(Surface *surface, const PRectangle &rc, const PRectangle &rcLine) {
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surface->PenColour(fore.allocated);
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int ymid = (rc.bottom + rc.top) / 2;
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if (style == INDIC_SQUIGGLE) {
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surface->MoveTo(rc.left, rc.top);
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int x = rc.left + 2;
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int y = 2;
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while (x < rc.right) {
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surface->LineTo(x, rc.top + y);
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x += 2;
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y = 2 - y;
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}
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surface->LineTo(rc.right, rc.top + y); // Finish the line
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} else if (style == INDIC_TT) {
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surface->MoveTo(rc.left, ymid);
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int x = rc.left + 5;
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while (x < rc.right) {
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surface->LineTo(x, ymid);
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surface->MoveTo(x-3, ymid);
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surface->LineTo(x-3, ymid+2);
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x++;
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surface->MoveTo(x, ymid);
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x += 5;
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}
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surface->LineTo(rc.right, ymid); // Finish the line
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if (x - 3 <= rc.right) {
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surface->MoveTo(x-3, ymid);
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surface->LineTo(x-3, ymid+2);
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}
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} else if (style == INDIC_DIAGONAL) {
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int x = rc.left;
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while (x < rc.right) {
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surface->MoveTo(x, rc.top+2);
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int endX = x+3;
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int endY = rc.top - 1;
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if (endX > rc.right) {
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endY += endX - rc.right;
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endX = rc.right;
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}
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surface->LineTo(endX, endY);
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x += 4;
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}
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} else if (style == INDIC_STRIKE) {
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surface->MoveTo(rc.left, rc.top - 4);
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surface->LineTo(rc.right, rc.top - 4);
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} else if (style == INDIC_HIDDEN) {
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// Draw nothing
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} else if (style == INDIC_BOX) {
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surface->MoveTo(rc.left, ymid+1);
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surface->LineTo(rc.right, ymid+1);
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surface->LineTo(rc.right, rcLine.top+1);
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surface->LineTo(rc.left, rcLine.top+1);
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surface->LineTo(rc.left, ymid+1);
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} else if (style == INDIC_ROUNDBOX) {
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PRectangle rcBox = rcLine;
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rcBox.top = rcLine.top + 1;
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rcBox.left = rc.left;
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rcBox.right = rc.right;
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surface->AlphaRectangle(rcBox, 1, fore.allocated, 30, fore.allocated, 50, 0);
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} else { // Either INDIC_PLAIN or unknown
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surface->MoveTo(rc.left, ymid);
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surface->LineTo(rc.right, ymid);
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}
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}
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