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164 lines
5.5 KiB
164 lines
5.5 KiB
// @file PlatQt.h
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// Copyright (c) 1990-2011, Scientific Toolworks, Inc.
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//
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// The License.txt file describes the conditions under which this software may be distributed.
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//
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// Author: Jason Haslam
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//
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// Additions Copyright (c) 2011 Archaeopteryx Software, Inc. d/b/a Wingware
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// Scintilla platform layer for Qt
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#ifndef PLATQT_H
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#define PLATQT_H
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#include <cstddef>
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#include <string_view>
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#include <vector>
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#include <optional>
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#include <memory>
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#include "Debugging.h"
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#include "Geometry.h"
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#include "ScintillaTypes.h"
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#include "ScintillaMessages.h"
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#include "Platform.h"
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#include <QUrl>
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#include <QPaintDevice>
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#include <QPainter>
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#include <QHash>
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#include <QTextCodec>
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namespace Scintilla::Internal {
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const char *CharacterSetID(Scintilla::CharacterSet characterSet);
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inline QColor QColorFromColourRGBA(ColourRGBA ca)
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{
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return QColor(ca.GetRed(), ca.GetGreen(), ca.GetBlue(), ca.GetAlpha());
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}
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inline QRect QRectFromPRect(PRectangle pr)
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{
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return QRect(pr.left, pr.top, pr.Width(), pr.Height());
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}
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inline QRectF QRectFFromPRect(PRectangle pr)
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{
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return QRectF(pr.left, pr.top, pr.Width(), pr.Height());
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}
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inline PRectangle PRectFromQRect(QRect qr)
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{
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return PRectangle(qr.x(), qr.y(), qr.x() + qr.width(), qr.y() + qr.height());
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}
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inline Point PointFromQPoint(QPoint qp)
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{
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return Point(qp.x(), qp.y());
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}
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inline QPointF QPointFFromPoint(Point qp)
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{
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return QPointF(qp.x, qp.y);
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}
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constexpr PRectangle RectangleInset(PRectangle rc, XYPOSITION delta) noexcept {
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return PRectangle(rc.left + delta, rc.top + delta, rc.right - delta, rc.bottom - delta);
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}
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class SurfaceImpl : public Surface {
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private:
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QPaintDevice *device = nullptr;
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QPainter *painter = nullptr;
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bool deviceOwned = false;
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bool painterOwned = false;
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SurfaceMode mode;
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const char *codecName = nullptr;
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QTextCodec *codec = nullptr;
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void Clear();
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public:
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SurfaceImpl();
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SurfaceImpl(int width, int height, SurfaceMode mode_);
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virtual ~SurfaceImpl();
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void Init(WindowID wid) override;
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void Init(SurfaceID sid, WindowID wid) override;
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std::unique_ptr<Surface> AllocatePixMap(int width, int height) override;
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void SetMode(SurfaceMode mode) override;
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void Release() noexcept override;
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int SupportsFeature(Scintilla::Supports feature) noexcept override;
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bool Initialised() override;
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void PenColour(ColourRGBA fore);
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void PenColourWidth(ColourRGBA fore, XYPOSITION strokeWidth);
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int LogPixelsY() override;
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int PixelDivisions() override;
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int DeviceHeightFont(int points) override;
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void LineDraw(Point start, Point end, Stroke stroke) override;
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void PolyLine(const Point *pts, size_t npts, Stroke stroke) override;
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void Polygon(const Point *pts, size_t npts, FillStroke fillStroke) override;
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void RectangleDraw(PRectangle rc, FillStroke fillStroke) override;
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void RectangleFrame(PRectangle rc, Stroke stroke) override;
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void FillRectangle(PRectangle rc, Fill fill) override;
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void FillRectangleAligned(PRectangle rc, Fill fill) override;
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void FillRectangle(PRectangle rc, Surface &surfacePattern) override;
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void RoundedRectangle(PRectangle rc, FillStroke fillStroke) override;
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void AlphaRectangle(PRectangle rc, XYPOSITION cornerSize, FillStroke fillStroke) override;
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void GradientRectangle(PRectangle rc, const std::vector<ColourStop> &stops, GradientOptions options) override;
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void DrawRGBAImage(PRectangle rc, int width, int height,
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const unsigned char *pixelsImage) override;
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void Ellipse(PRectangle rc, FillStroke fillStroke) override;
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void Stadium(PRectangle rc, FillStroke fillStroke, Ends ends) override;
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void Copy(PRectangle rc, Point from, Surface &surfaceSource) override;
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std::unique_ptr<IScreenLineLayout> Layout(const IScreenLine *screenLine) override;
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void DrawTextNoClip(PRectangle rc, const Font *font, XYPOSITION ybase,
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std::string_view text, ColourRGBA fore, ColourRGBA back) override;
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void DrawTextClipped(PRectangle rc, const Font *font, XYPOSITION ybase,
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std::string_view text, ColourRGBA fore, ColourRGBA back) override;
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void DrawTextTransparent(PRectangle rc, const Font *font, XYPOSITION ybase,
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std::string_view text, ColourRGBA fore) override;
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void MeasureWidths(const Font *font, std::string_view text,
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XYPOSITION *positions) override;
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XYPOSITION WidthText(const Font *font, std::string_view text) override;
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void DrawTextNoClipUTF8(PRectangle rc, const Font *font_, XYPOSITION ybase,
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std::string_view text, ColourRGBA fore, ColourRGBA back) override;
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void DrawTextClippedUTF8(PRectangle rc, const Font *font_, XYPOSITION ybase,
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std::string_view text, ColourRGBA fore, ColourRGBA back) override;
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void DrawTextTransparentUTF8(PRectangle rc, const Font *font_, XYPOSITION ybase,
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std::string_view text, ColourRGBA fore) override;
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void MeasureWidthsUTF8(const Font *font_, std::string_view text,
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XYPOSITION *positions) override;
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XYPOSITION WidthTextUTF8(const Font *font_, std::string_view text) override;
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XYPOSITION Ascent(const Font *font) override;
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XYPOSITION Descent(const Font *font) override;
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XYPOSITION InternalLeading(const Font *font) override;
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XYPOSITION Height(const Font *font) override;
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XYPOSITION AverageCharWidth(const Font *font) override;
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void SetClip(PRectangle rc) override;
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void PopClip() override;
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void FlushCachedState() override;
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void FlushDrawing() override;
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void BrushColour(ColourRGBA back);
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void SetCodec(const Font *font);
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void SetFont(const Font *font);
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QPaintDevice *GetPaintDevice();
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void SetPainter(QPainter *painter);
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QPainter *GetPainter();
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};
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}
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#endif
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