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Diffstat (limited to 'src/plugins/styles/modernwindows/qwindowsthemedata_p.h')
-rw-r--r-- | src/plugins/styles/modernwindows/qwindowsthemedata_p.h | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/src/plugins/styles/modernwindows/qwindowsthemedata_p.h b/src/plugins/styles/modernwindows/qwindowsthemedata_p.h new file mode 100644 index 0000000000..5de2bcbdea --- /dev/null +++ b/src/plugins/styles/modernwindows/qwindowsthemedata_p.h @@ -0,0 +1,183 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only + +#ifndef QWINDOWSTHEMEDATA_P_H +#define QWINDOWSTHEMEDATA_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <qwidget.h> +#include <qt_windows.h> +#include <uxtheme.h> +#include <vssym32.h> +#include <limits.h> + + +// TMT_TEXTSHADOWCOLOR is wrongly defined in mingw +#if TMT_TEXTSHADOWCOLOR != 3818 +#undef TMT_TEXTSHADOWCOLOR +#define TMT_TEXTSHADOWCOLOR 3818 +#endif +#ifndef TST_NONE +# define TST_NONE 0 +#endif + +// These defines are missing from the tmschema, but still exist as +// states for their parts +#ifndef MINBS_INACTIVE +#define MINBS_INACTIVE 5 +#endif +#ifndef MAXBS_INACTIVE +#define MAXBS_INACTIVE 5 +#endif +#ifndef RBS_INACTIVE +#define RBS_INACTIVE 5 +#endif +#ifndef HBS_INACTIVE +#define HBS_INACTIVE 5 +#endif +#ifndef CBS_INACTIVE +#define CBS_INACTIVE 5 +#endif + +// Declarations ----------------------------------------------------------------------------------- +class QWindowsThemeData +{ +public: + explicit QWindowsThemeData(const QWidget *w = nullptr, QPainter *p = nullptr, int themeIn = -1, + int part = 0, int state = 0, const QRect &r = QRect()) + : widget(w), painter(p), theme(themeIn), partId(part), stateId(state), + mirrorHorizontally(false), mirrorVertically(false), noBorder(false), + noContent(false), invertPixels(false), rect(r) + {} + + HRGN mask(QWidget *widget); + HTHEME handle(); + bool isValid(); + QSizeF size(); + + static QSizeF themeSize(const QWidget *w = nullptr, QPainter *p = nullptr, + int themeIn = -1, int part = 0, int state = 0); + static RECT toRECT(const QRect &qr); + + QMarginsF margins(const QRect &rect, int propId = TMT_CONTENTMARGINS); + QMarginsF margins(int propId = TMT_CONTENTMARGINS); + + const QWidget *widget; + QPainter *painter; + + int theme; + HTHEME htheme = nullptr; + int partId; + int stateId; + + uint mirrorHorizontally : 1; + uint mirrorVertically : 1; + uint noBorder : 1; + uint noContent : 1; + uint invertPixels : 1; + uint rotate = 0; + QRect rect; +}; + +struct ThemeMapKey { + int theme = 0; + int partId = -1; + int stateId = -1; + bool noBorder = false; + bool noContent = false; + + ThemeMapKey() = default; + ThemeMapKey(const QWindowsThemeData &data) + : theme(data.theme), partId(data.partId), stateId(data.stateId), + noBorder(data.noBorder), noContent(data.noContent) {} + +}; + +inline size_t qHash(const ThemeMapKey &key) +{ return key.theme ^ key.partId ^ key.stateId; } + +inline bool operator==(const ThemeMapKey &k1, const ThemeMapKey &k2) +{ + return k1.theme == k2.theme + && k1.partId == k2.partId + && k1.stateId == k2.stateId; +} + +enum AlphaChannelType { + UnknownAlpha = -1, // Alpha of part & state not yet known + NoAlpha, // Totally opaque, no need to touch alpha (RGB) + MaskAlpha, // Alpha channel must be fixed (ARGB) + RealAlpha // Proper alpha values from Windows (ARGB_Premultiplied) +}; + +struct ThemeMapData { + AlphaChannelType alphaType = UnknownAlpha; // Which type of alpha on part & state + + bool dataValid : 1; // Only used to detect if hash value is ok + bool partIsTransparent : 1; + bool hasAlphaChannel : 1; // True = part & state has real Alpha + bool wasAlphaSwapped : 1; // True = alpha channel needs to be swapped + bool hadInvalidAlpha : 1; // True = alpha channel contained invalid alpha values + + ThemeMapData() : dataValid(false), partIsTransparent(false), + hasAlphaChannel(false), wasAlphaSwapped(false), hadInvalidAlpha(false) {} +}; + + +#ifndef QT_NO_DEBUG_STREAM +QDebug operator<<(QDebug d, const QWindowsThemeData &t); +QDebug operator<<(QDebug d, const ThemeMapKey &k); +QDebug operator<<(QDebug d, const ThemeMapData &td); +#endif + +inline QSizeF QWindowsThemeData::size() +{ + QSizeF result(0, 0); + if (isValid()) { + SIZE size; + if (SUCCEEDED(GetThemePartSize(handle(), nullptr, partId, stateId, nullptr, TS_TRUE, &size))) + result = QSize(size.cx, size.cy); + } + return result; +} + +inline QSizeF QWindowsThemeData::themeSize(const QWidget *w, QPainter *p, int themeIn, int part, int state) +{ + QWindowsThemeData theme(w, p, themeIn, part, state); + return theme.size(); +} + +inline QMarginsF QWindowsThemeData::margins(const QRect &qRect, int propId) +{ + QMarginsF result(0, 0, 0 ,0); + if (isValid()) { + MARGINS margins; + RECT rect = QWindowsThemeData::toRECT(qRect); + if (SUCCEEDED(GetThemeMargins(handle(), nullptr, partId, stateId, propId, &rect, &margins))) + result = QMargins(margins.cxLeftWidth, margins.cyTopHeight, margins.cxRightWidth, margins.cyBottomHeight); + } + return result; +} + +inline QMarginsF QWindowsThemeData::margins(int propId) +{ + QMarginsF result(0, 0, 0 ,0); + if (isValid()) { + MARGINS margins; + if (SUCCEEDED(GetThemeMargins(handle(), nullptr, partId, stateId, propId, nullptr, &margins))) + result = QMargins(margins.cxLeftWidth, margins.cyTopHeight, margins.cxRightWidth, margins.cyBottomHeight); + } + return result; +} + +#endif // QWINDOWSTHEMEDATA_P_H |