387 lines
14 KiB
C++
387 lines
14 KiB
C++
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// Scintilla source code edit control
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/** @file LineMarker.cxx
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** Defines the look of a line marker in the margin .
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**/
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// Copyright 1998-2011 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 "StringCopy.h"
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#include "XPM.h"
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#include "LineMarker.h"
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#ifdef SCI_NAMESPACE
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using namespace Scintilla;
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#endif
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void LineMarker::SetXPM(const char *textForm) {
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delete pxpm;
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pxpm = new XPM(textForm);
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markType = SC_MARK_PIXMAP;
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}
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void LineMarker::SetXPM(const char *const *linesForm) {
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delete pxpm;
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pxpm = new XPM(linesForm);
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markType = SC_MARK_PIXMAP;
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}
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void LineMarker::SetRGBAImage(Point sizeRGBAImage, float scale, const unsigned char *pixelsRGBAImage) {
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delete image;
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image = new RGBAImage(static_cast<int>(sizeRGBAImage.x), static_cast<int>(sizeRGBAImage.y), scale, pixelsRGBAImage);
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markType = SC_MARK_RGBAIMAGE;
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}
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static void DrawBox(Surface *surface, int centreX, int centreY, int armSize, ColourDesired fore, ColourDesired back) {
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PRectangle rc = PRectangle::FromInts(
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centreX - armSize,
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centreY - armSize,
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centreX + armSize + 1,
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centreY + armSize + 1);
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surface->RectangleDraw(rc, back, fore); //inverted
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}
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static void DrawCircle(Surface *surface, int centreX, int centreY, int armSize, ColourDesired fore, ColourDesired back) {
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PRectangle rcCircle = PRectangle::FromInts(
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centreX - armSize,
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centreY - armSize,
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centreX + armSize + 1,
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centreY + armSize + 1);
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surface->Ellipse(rcCircle, back, fore); //inverted
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}
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static void DrawPlus(Surface *surface, int centreX, int centreY, int armSize, ColourDesired fore) {
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PRectangle rcV = PRectangle::FromInts(centreX, centreY - armSize + 2, centreX + 1, centreY + armSize - 2 + 1);
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surface->FillRectangle(rcV, fore);
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PRectangle rcH = PRectangle::FromInts(centreX - armSize + 2, centreY, centreX + armSize - 2 + 1, centreY + 1);
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surface->FillRectangle(rcH, fore);
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}
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static void DrawMinus(Surface *surface, int centreX, int centreY, int armSize, ColourDesired fore) {
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PRectangle rcH = PRectangle::FromInts(centreX - armSize + 2, centreY, centreX + armSize - 2 + 1, centreY + 1);
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surface->FillRectangle(rcH, fore);
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}
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void LineMarker::Draw(Surface *surface, PRectangle &rcWhole, Font &fontForCharacter, typeOfFold tFold, int marginStyle) {
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ColourDesired head = back;
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ColourDesired body = back;
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ColourDesired tail = back;
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switch (tFold) {
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case LineMarker::head :
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case LineMarker::headWithTail :
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head = backSelected;
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tail = backSelected;
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break;
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case LineMarker::body :
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head = backSelected;
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body = backSelected;
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break;
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case LineMarker::tail :
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body = backSelected;
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tail = backSelected;
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break;
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default :
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// LineMarker::undefined
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break;
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}
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if ((markType == SC_MARK_PIXMAP) && (pxpm)) {
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pxpm->Draw(surface, rcWhole);
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return;
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}
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if ((markType == SC_MARK_RGBAIMAGE) && (image)) {
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// Make rectangle just large enough to fit image centred on centre of rcWhole
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PRectangle rcImage;
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rcImage.top = ((rcWhole.top + rcWhole.bottom) - image->GetScaledHeight()) / 2;
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rcImage.bottom = rcImage.top + image->GetScaledHeight();
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rcImage.left = ((rcWhole.left + rcWhole.right) - image->GetScaledWidth()) / 2;
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rcImage.right = rcImage.left + image->GetScaledWidth();
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surface->DrawRGBAImage(rcImage, image->GetWidth(), image->GetHeight(), image->Pixels());
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return;
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}
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// Restrict most shapes a bit
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PRectangle rc = rcWhole;
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rc.top++;
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rc.bottom--;
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int minDim = Platform::Minimum(static_cast<int>(rc.Width()), static_cast<int>(rc.Height()));
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minDim--; // Ensure does not go beyond edge
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int centreX = static_cast<int>(floor((rc.right + rc.left) / 2.0));
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int centreY = static_cast<int>(floor((rc.bottom + rc.top) / 2.0));
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int dimOn2 = minDim / 2;
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int dimOn4 = minDim / 4;
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int blobSize = dimOn2-1;
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int armSize = dimOn2-2;
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if (marginStyle == SC_MARGIN_NUMBER || marginStyle == SC_MARGIN_TEXT || marginStyle == SC_MARGIN_RTEXT) {
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// On textual margins move marker to the left to try to avoid overlapping the text
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centreX = static_cast<int>(rc.left) + dimOn2 + 1;
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}
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if (markType == SC_MARK_ROUNDRECT) {
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PRectangle rcRounded = rc;
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rcRounded.left = rc.left + 1;
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rcRounded.right = rc.right - 1;
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surface->RoundedRectangle(rcRounded, fore, back);
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} else if (markType == SC_MARK_CIRCLE) {
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PRectangle rcCircle = PRectangle::FromInts(
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centreX - dimOn2,
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centreY - dimOn2,
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centreX + dimOn2,
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centreY + dimOn2);
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surface->Ellipse(rcCircle, fore, back);
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} else if (markType == SC_MARK_ARROW) {
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Point pts[] = {
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Point::FromInts(centreX - dimOn4, centreY - dimOn2),
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Point::FromInts(centreX - dimOn4, centreY + dimOn2),
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Point::FromInts(centreX + dimOn2 - dimOn4, centreY),
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};
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surface->Polygon(pts, ELEMENTS(pts), fore, back);
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} else if (markType == SC_MARK_ARROWDOWN) {
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Point pts[] = {
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Point::FromInts(centreX - dimOn2, centreY - dimOn4),
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Point::FromInts(centreX + dimOn2, centreY - dimOn4),
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Point::FromInts(centreX, centreY + dimOn2 - dimOn4),
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};
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surface->Polygon(pts, ELEMENTS(pts), fore, back);
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} else if (markType == SC_MARK_PLUS) {
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Point pts[] = {
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Point::FromInts(centreX - armSize, centreY - 1),
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Point::FromInts(centreX - 1, centreY - 1),
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Point::FromInts(centreX - 1, centreY - armSize),
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Point::FromInts(centreX + 1, centreY - armSize),
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Point::FromInts(centreX + 1, centreY - 1),
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Point::FromInts(centreX + armSize, centreY -1),
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Point::FromInts(centreX + armSize, centreY +1),
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Point::FromInts(centreX + 1, centreY + 1),
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Point::FromInts(centreX + 1, centreY + armSize),
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Point::FromInts(centreX - 1, centreY + armSize),
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Point::FromInts(centreX - 1, centreY + 1),
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Point::FromInts(centreX - armSize, centreY + 1),
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};
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surface->Polygon(pts, ELEMENTS(pts), fore, back);
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} else if (markType == SC_MARK_MINUS) {
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Point pts[] = {
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Point::FromInts(centreX - armSize, centreY - 1),
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Point::FromInts(centreX + armSize, centreY -1),
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Point::FromInts(centreX + armSize, centreY +1),
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Point::FromInts(centreX - armSize, centreY + 1),
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};
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surface->Polygon(pts, ELEMENTS(pts), fore, back);
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} else if (markType == SC_MARK_SMALLRECT) {
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PRectangle rcSmall;
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rcSmall.left = rc.left + 1;
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rcSmall.top = rc.top + 2;
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rcSmall.right = rc.right - 1;
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rcSmall.bottom = rc.bottom - 2;
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surface->RectangleDraw(rcSmall, fore, back);
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} else if (markType == SC_MARK_EMPTY || markType == SC_MARK_BACKGROUND ||
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markType == SC_MARK_UNDERLINE || markType == SC_MARK_AVAILABLE) {
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// An invisible marker so don't draw anything
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} else if (markType == SC_MARK_VLINE) {
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surface->PenColour(body);
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surface->MoveTo(centreX, static_cast<int>(rcWhole.top));
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surface->LineTo(centreX, static_cast<int>(rcWhole.bottom));
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} else if (markType == SC_MARK_LCORNER) {
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surface->PenColour(tail);
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surface->MoveTo(centreX, static_cast<int>(rcWhole.top));
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surface->LineTo(centreX, centreY);
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surface->LineTo(static_cast<int>(rc.right) - 1, centreY);
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} else if (markType == SC_MARK_TCORNER) {
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surface->PenColour(tail);
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surface->MoveTo(centreX, centreY);
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surface->LineTo(static_cast<int>(rc.right) - 1, centreY);
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surface->PenColour(body);
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surface->MoveTo(centreX, static_cast<int>(rcWhole.top));
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surface->LineTo(centreX, centreY + 1);
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surface->PenColour(head);
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surface->LineTo(centreX, static_cast<int>(rcWhole.bottom));
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} else if (markType == SC_MARK_LCORNERCURVE) {
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surface->PenColour(tail);
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surface->MoveTo(centreX, static_cast<int>(rcWhole.top));
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surface->LineTo(centreX, centreY-3);
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surface->LineTo(centreX+3, centreY);
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surface->LineTo(static_cast<int>(rc.right) - 1, centreY);
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} else if (markType == SC_MARK_TCORNERCURVE) {
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surface->PenColour(tail);
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surface->MoveTo(centreX, centreY-3);
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surface->LineTo(centreX+3, centreY);
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surface->LineTo(static_cast<int>(rc.right) - 1, centreY);
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surface->PenColour(body);
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surface->MoveTo(centreX, static_cast<int>(rcWhole.top));
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surface->LineTo(centreX, centreY-2);
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surface->PenColour(head);
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surface->LineTo(centreX, static_cast<int>(rcWhole.bottom));
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} else if (markType == SC_MARK_BOXPLUS) {
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DrawBox(surface, centreX, centreY, blobSize, fore, head);
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DrawPlus(surface, centreX, centreY, blobSize, tail);
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} else if (markType == SC_MARK_BOXPLUSCONNECTED) {
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if (tFold == LineMarker::headWithTail)
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surface->PenColour(tail);
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else
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surface->PenColour(body);
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surface->MoveTo(centreX, centreY + blobSize);
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surface->LineTo(centreX, static_cast<int>(rcWhole.bottom));
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surface->PenColour(body);
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surface->MoveTo(centreX, static_cast<int>(rcWhole.top));
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surface->LineTo(centreX, centreY - blobSize);
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DrawBox(surface, centreX, centreY, blobSize, fore, head);
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DrawPlus(surface, centreX, centreY, blobSize, tail);
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if (tFold == LineMarker::body) {
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surface->PenColour(tail);
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surface->MoveTo(centreX + 1, centreY + blobSize);
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surface->LineTo(centreX + blobSize + 1, centreY + blobSize);
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surface->MoveTo(centreX + blobSize, centreY + blobSize);
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surface->LineTo(centreX + blobSize, centreY - blobSize);
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surface->MoveTo(centreX + 1, centreY - blobSize);
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surface->LineTo(centreX + blobSize + 1, centreY - blobSize);
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}
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} else if (markType == SC_MARK_BOXMINUS) {
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DrawBox(surface, centreX, centreY, blobSize, fore, head);
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DrawMinus(surface, centreX, centreY, blobSize, tail);
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surface->PenColour(head);
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surface->MoveTo(centreX, centreY + blobSize);
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surface->LineTo(centreX, static_cast<int>(rcWhole.bottom));
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} else if (markType == SC_MARK_BOXMINUSCONNECTED) {
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DrawBox(surface, centreX, centreY, blobSize, fore, head);
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DrawMinus(surface, centreX, centreY, blobSize, tail);
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surface->PenColour(head);
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surface->MoveTo(centreX, centreY + blobSize);
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surface->LineTo(centreX, static_cast<int>(rcWhole.bottom));
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surface->PenColour(body);
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surface->MoveTo(centreX, static_cast<int>(rcWhole.top));
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surface->LineTo(centreX, centreY - blobSize);
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if (tFold == LineMarker::body) {
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surface->PenColour(tail);
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surface->MoveTo(centreX + 1, centreY + blobSize);
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surface->LineTo(centreX + blobSize + 1, centreY + blobSize);
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surface->MoveTo(centreX + blobSize, centreY + blobSize);
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surface->LineTo(centreX + blobSize, centreY - blobSize);
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surface->MoveTo(centreX + 1, centreY - blobSize);
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surface->LineTo(centreX + blobSize + 1, centreY - blobSize);
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}
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} else if (markType == SC_MARK_CIRCLEPLUS) {
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DrawCircle(surface, centreX, centreY, blobSize, fore, head);
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DrawPlus(surface, centreX, centreY, blobSize, tail);
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} else if (markType == SC_MARK_CIRCLEPLUSCONNECTED) {
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if (tFold == LineMarker::headWithTail)
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surface->PenColour(tail);
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else
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surface->PenColour(body);
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surface->MoveTo(centreX, centreY + blobSize);
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surface->LineTo(centreX, static_cast<int>(rcWhole.bottom));
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surface->PenColour(body);
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surface->MoveTo(centreX, static_cast<int>(rcWhole.top));
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surface->LineTo(centreX, centreY - blobSize);
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DrawCircle(surface, centreX, centreY, blobSize, fore, head);
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DrawPlus(surface, centreX, centreY, blobSize, tail);
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} else if (markType == SC_MARK_CIRCLEMINUS) {
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surface->PenColour(head);
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surface->MoveTo(centreX, centreY + blobSize);
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surface->LineTo(centreX, static_cast<int>(rcWhole.bottom));
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DrawCircle(surface, centreX, centreY, blobSize, fore, head);
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DrawMinus(surface, centreX, centreY, blobSize, tail);
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} else if (markType == SC_MARK_CIRCLEMINUSCONNECTED) {
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surface->PenColour(head);
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surface->MoveTo(centreX, centreY + blobSize);
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surface->LineTo(centreX, static_cast<int>(rcWhole.bottom));
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surface->PenColour(body);
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surface->MoveTo(centreX, static_cast<int>(rcWhole.top));
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surface->LineTo(centreX, centreY - blobSize);
|
||
|
|
|
||
|
|
DrawCircle(surface, centreX, centreY, blobSize, fore, head);
|
||
|
|
DrawMinus(surface, centreX, centreY, blobSize, tail);
|
||
|
|
|
||
|
|
} else if (markType >= SC_MARK_CHARACTER) {
|
||
|
|
char character[1];
|
||
|
|
character[0] = static_cast<char>(markType - SC_MARK_CHARACTER);
|
||
|
|
XYPOSITION width = surface->WidthText(fontForCharacter, character, 1);
|
||
|
|
rc.left += (rc.Width() - width) / 2;
|
||
|
|
rc.right = rc.left + width;
|
||
|
|
surface->DrawTextClipped(rc, fontForCharacter, rc.bottom - 2,
|
||
|
|
character, 1, fore, back);
|
||
|
|
|
||
|
|
} else if (markType == SC_MARK_DOTDOTDOT) {
|
||
|
|
XYPOSITION right = static_cast<XYPOSITION>(centreX - 6);
|
||
|
|
for (int b=0; b<3; b++) {
|
||
|
|
PRectangle rcBlob(right, rc.bottom - 4, right + 2, rc.bottom-2);
|
||
|
|
surface->FillRectangle(rcBlob, fore);
|
||
|
|
right += 5.0f;
|
||
|
|
}
|
||
|
|
} else if (markType == SC_MARK_ARROWS) {
|
||
|
|
surface->PenColour(fore);
|
||
|
|
int right = centreX - 2;
|
||
|
|
const int armLength = dimOn2 - 1;
|
||
|
|
for (int b = 0; b<3; b++) {
|
||
|
|
surface->MoveTo(right, centreY);
|
||
|
|
surface->LineTo(right - armLength, centreY - armLength);
|
||
|
|
surface->MoveTo(right, centreY);
|
||
|
|
surface->LineTo(right - armLength, centreY + armLength);
|
||
|
|
right += 4;
|
||
|
|
}
|
||
|
|
} else if (markType == SC_MARK_SHORTARROW) {
|
||
|
|
Point pts[] = {
|
||
|
|
Point::FromInts(centreX, centreY + dimOn2),
|
||
|
|
Point::FromInts(centreX + dimOn2, centreY),
|
||
|
|
Point::FromInts(centreX, centreY - dimOn2),
|
||
|
|
Point::FromInts(centreX, centreY - dimOn4),
|
||
|
|
Point::FromInts(centreX - dimOn4, centreY - dimOn4),
|
||
|
|
Point::FromInts(centreX - dimOn4, centreY + dimOn4),
|
||
|
|
Point::FromInts(centreX, centreY + dimOn4),
|
||
|
|
Point::FromInts(centreX, centreY + dimOn2),
|
||
|
|
};
|
||
|
|
surface->Polygon(pts, ELEMENTS(pts), fore, back);
|
||
|
|
} else if (markType == SC_MARK_LEFTRECT) {
|
||
|
|
PRectangle rcLeft = rcWhole;
|
||
|
|
rcLeft.right = rcLeft.left + 4;
|
||
|
|
surface->FillRectangle(rcLeft, back);
|
||
|
|
} else if (markType == SC_MARK_BOOKMARK) {
|
||
|
|
int halfHeight = minDim / 3;
|
||
|
|
Point pts[] = {
|
||
|
|
Point::FromInts(static_cast<int>(rc.left), centreY-halfHeight),
|
||
|
|
Point::FromInts(static_cast<int>(rc.right) - 3, centreY - halfHeight),
|
||
|
|
Point::FromInts(static_cast<int>(rc.right) - 3 - halfHeight, centreY),
|
||
|
|
Point::FromInts(static_cast<int>(rc.right) - 3, centreY + halfHeight),
|
||
|
|
Point::FromInts(static_cast<int>(rc.left), centreY + halfHeight),
|
||
|
|
};
|
||
|
|
surface->Polygon(pts, ELEMENTS(pts), fore, back);
|
||
|
|
} else { // SC_MARK_FULLRECT
|
||
|
|
surface->FillRectangle(rcWhole, back);
|
||
|
|
}
|
||
|
|
}
|