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302 lines
10 KiB
302 lines
10 KiB
// 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 1998-2003 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 <string.h>
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#include "Platform.h"
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#include "Scintilla.h"
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#include "XPM.h"
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#include "LineMarker.h"
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void LineMarker::RefreshColourPalette(Palette &pal, bool want) {
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pal.WantFind(fore, want);
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pal.WantFind(back, want);
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if (pxpm) {
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pxpm->RefreshColourPalette(pal, want);
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}
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}
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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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static void DrawBox(Surface *surface, int centreX, int centreY, int armSize, ColourAllocated fore, ColourAllocated back) {
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PRectangle rc;
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rc.left = centreX - armSize;
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rc.top = centreY - armSize;
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rc.right = centreX + armSize + 1;
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rc.bottom = centreY + armSize + 1;
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surface->RectangleDraw(rc, back, fore);
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}
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static void DrawCircle(Surface *surface, int centreX, int centreY, int armSize, ColourAllocated fore, ColourAllocated back) {
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PRectangle rcCircle;
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rcCircle.left = centreX - armSize;
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rcCircle.top = centreY - armSize;
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rcCircle.right = centreX + armSize + 1;
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rcCircle.bottom = centreY + armSize + 1;
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surface->Ellipse(rcCircle, back, fore);
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}
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static void DrawPlus(Surface *surface, int centreX, int centreY, int armSize, ColourAllocated fore) {
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PRectangle rcV(centreX, centreY - armSize + 2, centreX + 1, centreY + armSize - 2 + 1);
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surface->FillRectangle(rcV, fore);
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PRectangle rcH(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, ColourAllocated fore) {
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PRectangle rcH(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) {
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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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// 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(rc.Width(), rc.Height());
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minDim--; // Ensure does not go beyond edge
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int centreX = (rc.right + rc.left) / 2;
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int centreY = (rc.bottom + rc.top) / 2;
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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 (rc.Width() > (rc.Height() * 2)) {
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// Wide column is line number so move to left to try to avoid overlapping number
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centreX = 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.allocated, back.allocated);
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} else if (markType == SC_MARK_CIRCLE) {
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PRectangle rcCircle;
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rcCircle.left = centreX - dimOn2;
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rcCircle.top = centreY - dimOn2;
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rcCircle.right = centreX + dimOn2;
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rcCircle.bottom = centreY + dimOn2;
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surface->Ellipse(rcCircle, fore.allocated, back.allocated);
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} else if (markType == SC_MARK_ARROW) {
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Point pts[] = {
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Point(centreX - dimOn4, centreY - dimOn2),
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Point(centreX - dimOn4, centreY + dimOn2),
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Point(centreX + dimOn2 - dimOn4, centreY),
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};
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surface->Polygon(pts, sizeof(pts) / sizeof(pts[0]),
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fore.allocated, back.allocated);
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} else if (markType == SC_MARK_ARROWDOWN) {
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Point pts[] = {
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Point(centreX - dimOn2, centreY - dimOn4),
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Point(centreX + dimOn2, centreY - dimOn4),
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Point(centreX, centreY + dimOn2 - dimOn4),
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};
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surface->Polygon(pts, sizeof(pts) / sizeof(pts[0]),
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fore.allocated, back.allocated);
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} else if (markType == SC_MARK_PLUS) {
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Point pts[] = {
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Point(centreX - armSize, centreY - 1),
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Point(centreX - 1, centreY - 1),
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Point(centreX - 1, centreY - armSize),
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Point(centreX + 1, centreY - armSize),
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Point(centreX + 1, centreY - 1),
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Point(centreX + armSize, centreY -1),
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Point(centreX + armSize, centreY +1),
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Point(centreX + 1, centreY + 1),
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Point(centreX + 1, centreY + armSize),
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Point(centreX - 1, centreY + armSize),
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Point(centreX - 1, centreY + 1),
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Point(centreX - armSize, centreY + 1),
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};
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surface->Polygon(pts, sizeof(pts) / sizeof(pts[0]),
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fore.allocated, back.allocated);
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} else if (markType == SC_MARK_MINUS) {
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Point pts[] = {
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Point(centreX - armSize, centreY - 1),
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Point(centreX + armSize, centreY -1),
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Point(centreX + armSize, centreY +1),
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Point(centreX - armSize, centreY + 1),
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};
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surface->Polygon(pts, sizeof(pts) / sizeof(pts[0]),
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fore.allocated, back.allocated);
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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.allocated, back.allocated);
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} else if (markType == SC_MARK_EMPTY || markType == SC_MARK_BACKGROUND) {
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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(back.allocated);
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surface->MoveTo(centreX, rcWhole.top);
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surface->LineTo(centreX, rcWhole.bottom);
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} else if (markType == SC_MARK_LCORNER) {
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surface->PenColour(back.allocated);
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surface->MoveTo(centreX, rcWhole.top);
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surface->LineTo(centreX, rc.top + dimOn2);
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surface->LineTo(rc.right - 2, rc.top + dimOn2);
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} else if (markType == SC_MARK_TCORNER) {
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surface->PenColour(back.allocated);
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surface->MoveTo(centreX, rcWhole.top);
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surface->LineTo(centreX, rcWhole.bottom);
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surface->MoveTo(centreX, rc.top + dimOn2);
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surface->LineTo(rc.right - 2, rc.top + dimOn2);
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} else if (markType == SC_MARK_LCORNERCURVE) {
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surface->PenColour(back.allocated);
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surface->MoveTo(centreX, rcWhole.top);
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surface->LineTo(centreX, rc.top + dimOn2-3);
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surface->LineTo(centreX+3, rc.top + dimOn2);
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surface->LineTo(rc.right - 1, rc.top + dimOn2);
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} else if (markType == SC_MARK_TCORNERCURVE) {
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surface->PenColour(back.allocated);
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surface->MoveTo(centreX, rcWhole.top);
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surface->LineTo(centreX, rcWhole.bottom);
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surface->MoveTo(centreX, rc.top + dimOn2-3);
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surface->LineTo(centreX+3, rc.top + dimOn2);
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surface->LineTo(rc.right - 1, rc.top + dimOn2);
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} else if (markType == SC_MARK_BOXPLUS) {
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surface->PenColour(back.allocated);
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DrawBox(surface, centreX, centreY, blobSize, fore.allocated, back.allocated);
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DrawPlus(surface, centreX, centreY, blobSize, back.allocated);
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} else if (markType == SC_MARK_BOXPLUSCONNECTED) {
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surface->PenColour(back.allocated);
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DrawBox(surface, centreX, centreY, blobSize, fore.allocated, back.allocated);
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DrawPlus(surface, centreX, centreY, blobSize, back.allocated);
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surface->MoveTo(centreX, centreY + blobSize);
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surface->LineTo(centreX, rcWhole.bottom);
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surface->MoveTo(centreX, rcWhole.top);
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surface->LineTo(centreX, centreY - blobSize);
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} else if (markType == SC_MARK_BOXMINUS) {
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surface->PenColour(back.allocated);
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DrawBox(surface, centreX, centreY, blobSize, fore.allocated, back.allocated);
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DrawMinus(surface, centreX, centreY, blobSize, back.allocated);
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surface->MoveTo(centreX, centreY + blobSize);
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surface->LineTo(centreX, rcWhole.bottom);
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} else if (markType == SC_MARK_BOXMINUSCONNECTED) {
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surface->PenColour(back.allocated);
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DrawBox(surface, centreX, centreY, blobSize, fore.allocated, back.allocated);
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DrawMinus(surface, centreX, centreY, blobSize, back.allocated);
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surface->MoveTo(centreX, centreY + blobSize);
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surface->LineTo(centreX, rcWhole.bottom);
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surface->MoveTo(centreX, rcWhole.top);
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surface->LineTo(centreX, centreY - blobSize);
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} else if (markType == SC_MARK_CIRCLEPLUS) {
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DrawCircle(surface, centreX, centreY, blobSize, fore.allocated, back.allocated);
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surface->PenColour(back.allocated);
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DrawPlus(surface, centreX, centreY, blobSize, back.allocated);
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} else if (markType == SC_MARK_CIRCLEPLUSCONNECTED) {
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DrawCircle(surface, centreX, centreY, blobSize, fore.allocated, back.allocated);
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surface->PenColour(back.allocated);
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DrawPlus(surface, centreX, centreY, blobSize, back.allocated);
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surface->MoveTo(centreX, centreY + blobSize);
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surface->LineTo(centreX, rcWhole.bottom);
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surface->MoveTo(centreX, rcWhole.top);
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surface->LineTo(centreX, centreY - blobSize);
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} else if (markType == SC_MARK_CIRCLEMINUS) {
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DrawCircle(surface, centreX, centreY, blobSize, fore.allocated, back.allocated);
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surface->PenColour(back.allocated);
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DrawMinus(surface, centreX, centreY, blobSize, back.allocated);
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surface->MoveTo(centreX, centreY + blobSize);
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surface->LineTo(centreX, rcWhole.bottom);
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} else if (markType == SC_MARK_CIRCLEMINUSCONNECTED) {
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DrawCircle(surface, centreX, centreY, blobSize, fore.allocated, back.allocated);
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surface->PenColour(back.allocated);
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DrawMinus(surface, centreX, centreY, blobSize, back.allocated);
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surface->MoveTo(centreX, centreY + blobSize);
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surface->LineTo(centreX, rcWhole.bottom);
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surface->MoveTo(centreX, rcWhole.top);
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surface->LineTo(centreX, centreY - blobSize);
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} else if (markType >= SC_MARK_CHARACTER) {
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char character[1];
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character[0] = static_cast<char>(markType - SC_MARK_CHARACTER);
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int width = surface->WidthText(fontForCharacter, character, 1);
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rc.left += (rc.Width() - width) / 2;
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rc.right = rc.left + width;
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surface->DrawTextClipped(rc, fontForCharacter, rc.bottom - 2,
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character, 1, fore.allocated, back.allocated);
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} else if (markType == SC_MARK_DOTDOTDOT) {
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int right = centreX - 6;
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for (int b=0; b<3; b++) {
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PRectangle rcBlob(right, rc.bottom - 4, right + 2, rc.bottom-2);
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surface->FillRectangle(rcBlob, fore.allocated);
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right += 5;
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}
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} else if (markType == SC_MARK_ARROWS) {
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surface->PenColour(fore.allocated);
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int right = centreX - 2;
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for (int b=0; b<3; b++) {
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surface->MoveTo(right - 4, centreY - 4);
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surface->LineTo(right, centreY);
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surface->LineTo(right - 5, centreY + 5);
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right += 4;
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}
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} else if (markType == SC_MARK_SHORTARROW) {
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Point pts[] = {
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Point(centreX, centreY + dimOn2),
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Point(centreX + dimOn2, centreY),
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Point(centreX, centreY - dimOn2),
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Point(centreX, centreY - dimOn4),
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Point(centreX - dimOn4, centreY - dimOn4),
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Point(centreX - dimOn4, centreY + dimOn4),
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Point(centreX, centreY + dimOn4),
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Point(centreX, centreY + dimOn2),
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};
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surface->Polygon(pts, sizeof(pts) / sizeof(pts[0]),
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fore.allocated, back.allocated);
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} else { // SC_MARK_FULLRECT
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surface->FillRectangle(rcWhole, back.allocated);
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}
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}
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