diff options
Diffstat (limited to 'src/qt5gtk2-style/qgtk2painter.cpp')
| -rw-r--r-- | src/qt5gtk2-style/qgtk2painter.cpp | 603 |
1 files changed, 603 insertions, 0 deletions
diff --git a/src/qt5gtk2-style/qgtk2painter.cpp b/src/qt5gtk2-style/qgtk2painter.cpp new file mode 100644 index 0000000..fc7ebca --- /dev/null +++ b/src/qt5gtk2-style/qgtk2painter.cpp @@ -0,0 +1,603 @@ +/*************************************************************************** + * Copyright (C) 2015 The Qt Company Ltd. * + * Copyright (C) 2016-2022 Ilya Kotov, forkotov02@ya.ru * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * + ***************************************************************************/ + +#include "qgtk2painter_p.h" + +#include <QtGlobal> +#if !defined(QT_NO_STYLE_GTK) + +// This class is primarily a wrapper around the gtk painter functions +// and takes care of converting all such calls into cached Qt pixmaps. + +#include "qgtkstyle_p_p.h" +#include <private/qhexstring_p.h> +#include <QWidget> +#include <QPixmapCache> + +QT_BEGIN_NAMESPACE + +// To recover alpha we apply the gtk painting function two times to +// white, and black window backgrounds. This can be used to +// recover the premultiplied alpha channel +QPixmap QGtk2Painter::renderTheme(uchar *bdata, uchar *wdata, const QRect &rect) const +{ + const int bytecount = rect.width() * rect.height() * 4; + for (int index = 0; index < bytecount ; index += 4) { + uchar val = bdata[index + GTK_BLUE]; + if (m_alpha) { + int alphaval = qMax(bdata[index + GTK_BLUE] - wdata[index + GTK_BLUE], + bdata[index + GTK_GREEN] - wdata[index + GTK_GREEN]); + alphaval = qMax(alphaval, bdata[index + GTK_RED] - wdata[index + GTK_RED]) + 255; + bdata[index + QT_ALPHA] = alphaval; + } + bdata[index + QT_RED] = bdata[index + GTK_RED]; + bdata[index + QT_GREEN] = bdata[index + GTK_GREEN]; + bdata[index + QT_BLUE] = val; + } + QImage converted((const uchar*)bdata, rect.width(), rect.height(), m_alpha ? + QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32); + + if (m_hflipped || m_vflipped) { + return QPixmap::fromImage(converted.mirrored(m_hflipped, m_vflipped)); + } else { + // on raster graphicssystem we need to do a copy here, because + // we intend to deallocate the qimage bits shortly after... + return QPixmap::fromImage(converted.copy()); + } +} + +// This macro is responsible for painting any GtkStyle painting function onto a QPixmap +#define DRAW_TO_CACHE(draw_func) \ + if (rect.width() > QWIDGETSIZE_MAX || rect.height() > QWIDGETSIZE_MAX) \ + return; \ + QRect pixmapRect(0, 0, rect.width(), rect.height()); \ + { \ + GdkPixmap *pixmap = gdk_pixmap_new((GdkDrawable*)(m_window->window), \ + rect.width(), rect.height(), -1); \ + if (!pixmap) \ + return; \ + style = gtk_style_attach (style, m_window->window); \ + gdk_draw_rectangle(pixmap, m_alpha ? style->black_gc : *style->bg_gc, \ + true, 0, 0, rect.width(), rect.height()); \ + draw_func; \ + GdkPixbuf *imgb = gdk_pixbuf_new(GDK_COLORSPACE_RGB, true, 8, \ + rect.width(), rect.height()); \ + if (!imgb) \ + return; \ + imgb = gdk_pixbuf_get_from_drawable(imgb, pixmap, NULL, 0, 0, 0, 0, \ + rect.width(), rect.height()); \ + uchar* bdata = (uchar*)gdk_pixbuf_get_pixels(imgb); \ + if (m_alpha) { \ + gdk_draw_rectangle(pixmap, style->white_gc, true, 0, 0, \ + rect.width(), rect.height()); \ + draw_func; \ + GdkPixbuf *imgw = gdk_pixbuf_new(GDK_COLORSPACE_RGB, true, 8, \ + rect.width(), rect.height()); \ + if (!imgw) \ + return; \ + imgw = gdk_pixbuf_get_from_drawable(imgw, pixmap, NULL, 0, 0, 0, 0,\ + rect.width(), rect.height()); \ + uchar* wdata = (uchar*)gdk_pixbuf_get_pixels(imgw); \ + cache = renderTheme(bdata, wdata, rect); \ + g_object_unref(imgw); \ + } else { \ + cache = renderTheme(bdata, 0, rect); \ + } \ + gdk_drawable_unref(pixmap); \ + g_object_unref(imgb); \ + } + +QGtk2Painter::QGtk2Painter() : QGtkPainter(), m_window(QGtkStylePrivate::gtkWidget("GtkWindow")) +{} + +// Note currently painted without alpha for performance reasons +void QGtk2Painter::paintBoxGap(GtkWidget *gtkWidget, const gchar* part, + const QRect &paintRect, GtkStateType state, + GtkShadowType shadow, GtkPositionType gap_side, + gint x, gint width, + GtkStyle *style) +{ + if (!paintRect.isValid()) + return; + + QPixmap cache; + QRect rect = paintRect; + + // To avoid exhausting cache on large tabframes we cheat a bit by + // tiling the center part. + + const int maxHeight = 256; + const int border = 16; + if (rect.height() > maxHeight && (gap_side == GTK_POS_TOP || gap_side == GTK_POS_BOTTOM)) + rect.setHeight(2 * border + 1); + + QString pixmapName = uniqueName(QLS(part), state, shadow, rect.size(), gtkWidget) + % HexString<uchar>(gap_side) + % HexString<gint>(width) + % HexString<gint>(x); + + if (!m_usePixmapCache || !QPixmapCache::find(pixmapName, &cache)) { + DRAW_TO_CACHE(gtk_paint_box_gap (style, + pixmap, + state, + shadow, + NULL, + gtkWidget, + (const gchar*)part, + 0, 0, + rect.width(), + rect.height(), + gap_side, + x, + width)); + if (m_usePixmapCache) + QPixmapCache::insert(pixmapName, cache); + } + if (rect.size() != paintRect.size()) { + // We assume we can stretch the middle tab part + // Note: the side effect of this is that pinstripe patterns will get fuzzy + const QSize size = cache.size(); + // top part + m_painter->drawPixmap(QRect(paintRect.left(), paintRect.top(), + paintRect.width(), border), cache, + QRect(0, 0, size.width(), border)); + + // tiled center part + QPixmap tilePart(cache.width(), 1); + QPainter scanLinePainter(&tilePart); + scanLinePainter.drawPixmap(QRect(0, 0, tilePart.width(), tilePart.height()), cache, QRect(0, border, size.width(), 1)); + scanLinePainter.end(); + m_painter->drawTiledPixmap(QRect(paintRect.left(), paintRect.top() + border, + paintRect.width(), paintRect.height() - 2*border), tilePart); + + // bottom part + m_painter->drawPixmap(QRect(paintRect.left(), paintRect.top() + paintRect.height() - border, + paintRect.width(), border), cache, + QRect(0, size.height() - border, size.width(), border)); + } else + m_painter->drawPixmap(paintRect.topLeft(), cache); +} + +void QGtk2Painter::paintBox(GtkWidget *gtkWidget, const gchar* part, + const QRect &paintRect, GtkStateType state, + GtkShadowType shadow, GtkStyle *style, + const QString &pmKey) +{ + if (!paintRect.isValid()) + return; + + QPixmap cache; + QRect rect = paintRect; + + // To avoid exhausting cache on large tabframes we cheat a bit by + // tiling the center part. + + const int maxHeight = 256; + const int maxArea = 256*512; + const int border = 32; + if (rect.height() > maxHeight && (rect.width()*rect.height() > maxArea)) + rect.setHeight(2 * border + 1); + + QString pixmapName = uniqueName(QLS(part), state, shadow, + rect.size(), gtkWidget) % pmKey; + + if (!m_usePixmapCache || !QPixmapCache::find(pixmapName, &cache)) { + DRAW_TO_CACHE(gtk_paint_box (style, + pixmap, + state, + shadow, + NULL, + gtkWidget, + part, + 0, 0, + rect.width(), + rect.height())); + if (m_usePixmapCache) + QPixmapCache::insert(pixmapName, cache); + } + if (rect.size() != paintRect.size()) { + // We assume we can stretch the middle tab part + // Note: the side effect of this is that pinstripe patterns will get fuzzy + const QSize size = cache.size(); + // top part + m_painter->drawPixmap(QRect(paintRect.left(), paintRect.top(), + paintRect.width(), border), cache, + QRect(0, 0, size.width(), border)); + + // tiled center part + QPixmap tilePart(cache.width(), 1); + QPainter scanLinePainter(&tilePart); + scanLinePainter.drawPixmap(QRect(0, 0, tilePart.width(), tilePart.height()), cache, QRect(0, border, size.width(), 1)); + scanLinePainter.end(); + m_painter->drawTiledPixmap(QRect(paintRect.left(), paintRect.top() + border, + paintRect.width(), paintRect.height() - 2*border), tilePart); + + // bottom part + m_painter->drawPixmap(QRect(paintRect.left(), paintRect.top() + paintRect.height() - border, + paintRect.width(), border), cache, + QRect(0, size.height() - border, size.width(), border)); + } else + m_painter->drawPixmap(paintRect.topLeft(), cache); +} + +void QGtk2Painter::paintHline(GtkWidget *gtkWidget, const gchar* part, + const QRect &rect, GtkStateType state, + GtkStyle *style, int x1, int x2, int y, + const QString &pmKey) +{ + if (!rect.isValid()) + return; + + QPixmap cache; + QString pixmapName = uniqueName(QLS(part), state, GTK_SHADOW_NONE, rect.size(), gtkWidget) + % HexString<int>(x1) + % HexString<int>(x2) + % HexString<int>(y) + % pmKey; + if (!m_usePixmapCache || !QPixmapCache::find(pixmapName, &cache)) { + DRAW_TO_CACHE(gtk_paint_hline (style, + pixmap, + state, + NULL, + gtkWidget, + part, + x1, x2, y)); + if (m_usePixmapCache) + QPixmapCache::insert(pixmapName, cache); + } + + m_painter->drawPixmap(rect.topLeft(), cache); +} + +void QGtk2Painter::paintVline(GtkWidget *gtkWidget, const gchar* part, + const QRect &rect, GtkStateType state, + GtkStyle *style, int y1, int y2, int x, + const QString &pmKey) +{ + if (!rect.isValid()) + return; + + QPixmap cache; + QString pixmapName = uniqueName(QLS(part), state, GTK_SHADOW_NONE, rect.size(), gtkWidget) + % HexString<int>(y1) + % HexString<int>(y2) + % HexString<int>(x) + % pmKey; + + if (!m_usePixmapCache || !QPixmapCache::find(pixmapName, &cache)) { + DRAW_TO_CACHE(gtk_paint_vline (style, + pixmap, + state, + NULL, + gtkWidget, + part, + y1, y2, + x)); + if (m_usePixmapCache) + QPixmapCache::insert(pixmapName, cache); + } + m_painter->drawPixmap(rect.topLeft(), cache); +} + + +void QGtk2Painter::paintExpander(GtkWidget *gtkWidget, + const gchar* part, const QRect &rect, + GtkStateType state, GtkExpanderStyle expander_state, + GtkStyle *style, const QString &pmKey) +{ + if (!rect.isValid()) + return; + + QPixmap cache; + QString pixmapName = uniqueName(QLS(part), state, GTK_SHADOW_NONE, rect.size(), gtkWidget) + % HexString<uchar>(expander_state) + % pmKey; + + if (!m_usePixmapCache || !QPixmapCache::find(pixmapName, &cache)) { + DRAW_TO_CACHE(gtk_paint_expander (style, pixmap, + state, NULL, + gtkWidget, part, + rect.width()/2, + rect.height()/2, + expander_state)); + if (m_usePixmapCache) + QPixmapCache::insert(pixmapName, cache); + } + + m_painter->drawPixmap(rect.topLeft(), cache); +} + +void QGtk2Painter::paintFocus(GtkWidget *gtkWidget, const gchar* part, + const QRect &rect, GtkStateType state, + GtkStyle *style, const QString &pmKey) +{ + if (!rect.isValid()) + return; + + QPixmap cache; + QString pixmapName = uniqueName(QLS(part), state, GTK_SHADOW_NONE, rect.size(), gtkWidget) % pmKey; + if (!m_usePixmapCache || !QPixmapCache::find(pixmapName, &cache)) { + DRAW_TO_CACHE(gtk_paint_focus (style, pixmap, state, NULL, + gtkWidget, + part, + 0, 0, + rect.width(), + rect.height())); + if (m_usePixmapCache) + QPixmapCache::insert(pixmapName, cache); + } + + m_painter->drawPixmap(rect.topLeft(), cache); +} + + +void QGtk2Painter::paintResizeGrip(GtkWidget *gtkWidget, const gchar* part, + const QRect &rect, GtkStateType state, + GtkShadowType shadow, GdkWindowEdge edge, + GtkStyle *style, const QString &pmKey) +{ + if (!rect.isValid()) + return; + + QPixmap cache; + QString pixmapName = uniqueName(QLS(part), state, shadow, rect.size(), gtkWidget) % pmKey; + if (!m_usePixmapCache || !QPixmapCache::find(pixmapName, &cache)) { + DRAW_TO_CACHE(gtk_paint_resize_grip (style, pixmap, state, + NULL, gtkWidget, + part, edge, 0, 0, + rect.width(), + rect.height())); + if (m_usePixmapCache) + QPixmapCache::insert(pixmapName, cache); + } + + m_painter->drawPixmap(rect.topLeft(), cache); +} + + +void QGtk2Painter::paintArrow(GtkWidget *gtkWidget, const gchar* part, + const QRect &arrowrect, GtkArrowType arrow_type, + GtkStateType state, GtkShadowType shadow, + gboolean fill, GtkStyle *style, const QString &pmKey) +{ + QRect rect = m_cliprect.isValid() ? m_cliprect : arrowrect; + if (!rect.isValid()) + return; + + QPixmap cache; + QString pixmapName = uniqueName(QLS(part), state, shadow, rect.size()) + % HexString<uchar>(arrow_type) + % pmKey; + + GdkRectangle gtkCliprect = {0, 0, rect.width(), rect.height()}; + int xOffset = m_cliprect.isValid() ? arrowrect.x() - m_cliprect.x() : 0; + int yOffset = m_cliprect.isValid() ? arrowrect.y() - m_cliprect.y() : 0; + if (!m_usePixmapCache || !QPixmapCache::find(pixmapName, &cache)) { + DRAW_TO_CACHE(gtk_paint_arrow (style, pixmap, state, shadow, + >kCliprect, + gtkWidget, + part, + arrow_type, fill, + xOffset, yOffset, + arrowrect.width(), + arrowrect.height())) + if (m_usePixmapCache) + QPixmapCache::insert(pixmapName, cache); + } + + m_painter->drawPixmap(rect.topLeft(), cache); +} + + +void QGtk2Painter::paintHandle(GtkWidget *gtkWidget, const gchar* part, const QRect &rect, + GtkStateType state, GtkShadowType shadow, + GtkOrientation orientation, GtkStyle *style) +{ + if (!rect.isValid()) + return; + + QPixmap cache; + QString pixmapName = uniqueName(QLS(part), state, shadow, rect.size()) + % HexString<uchar>(orientation); + + if (!m_usePixmapCache || !QPixmapCache::find(pixmapName, &cache)) { + DRAW_TO_CACHE(gtk_paint_handle (style, + pixmap, + state, + shadow, + NULL, + gtkWidget, + part, 0, 0, + rect.width(), + rect.height(), + orientation)); + if (m_usePixmapCache) + QPixmapCache::insert(pixmapName, cache); + } + m_painter->drawPixmap(rect.topLeft(), cache); +} + + +void QGtk2Painter::paintSlider(GtkWidget *gtkWidget, const gchar* part, const QRect &rect, + GtkStateType state, GtkShadowType shadow, + GtkStyle *style, GtkOrientation orientation, + const QString &pmKey) +{ + if (!rect.isValid()) + return; + + QPixmap cache; + QString pixmapName = uniqueName(QLS(part), state, shadow, rect.size(), gtkWidget) % pmKey; + if (!m_usePixmapCache || !QPixmapCache::find(pixmapName, &cache)) { + DRAW_TO_CACHE(gtk_paint_slider (style, + pixmap, + state, + shadow, + NULL, + gtkWidget, + part, + 0, 0, + rect.width(), + rect.height(), + orientation)); + if (m_usePixmapCache) + QPixmapCache::insert(pixmapName, cache); + } + m_painter->drawPixmap(rect.topLeft(), cache); +} + + +void QGtk2Painter::paintShadow(GtkWidget *gtkWidget, const gchar* part, + const QRect &rect, GtkStateType state, + GtkShadowType shadow, GtkStyle *style, + const QString &pmKey) + +{ + if (!rect.isValid()) + return; + + QPixmap cache; + QString pixmapName = uniqueName(QLS(part), state, shadow, rect.size()) % pmKey; + if (!m_usePixmapCache || !QPixmapCache::find(pixmapName, &cache)) { + DRAW_TO_CACHE(gtk_paint_shadow(style, pixmap, state, shadow, NULL, + gtkWidget, part, 0, 0, rect.width(), rect.height())); + if (m_usePixmapCache) + QPixmapCache::insert(pixmapName, cache); + } + m_painter->drawPixmap(rect.topLeft(), cache); +} + +void QGtk2Painter::paintFlatBox(GtkWidget *gtkWidget, const gchar* part, + const QRect &rect, GtkStateType state, + GtkShadowType shadow, GtkStyle *style, + const QString &pmKey) +{ + if (!rect.isValid()) + return; + QPixmap cache; + QString pixmapName = uniqueName(QLS(part), state, shadow, rect.size()) % pmKey; + if (!m_usePixmapCache || !QPixmapCache::find(pixmapName, &cache)) { + DRAW_TO_CACHE(gtk_paint_flat_box (style, + pixmap, + state, + shadow, + NULL, + gtkWidget, + part, 0, 0, + rect.width(), + rect.height())); + if (m_usePixmapCache) + QPixmapCache::insert(pixmapName, cache); + } + m_painter->drawPixmap(rect.topLeft(), cache); +} + +void QGtk2Painter::paintExtention(GtkWidget *gtkWidget, + const gchar *part, const QRect &rect, + GtkStateType state, GtkShadowType shadow, + GtkPositionType gap_pos, GtkStyle *style) +{ + if (!rect.isValid()) + return; + + QPixmap cache; + QString pixmapName = uniqueName(QLS(part), state, shadow, rect.size(), gtkWidget) + % HexString<uchar>(gap_pos); + + if (!m_usePixmapCache || !QPixmapCache::find(pixmapName, &cache)) { + DRAW_TO_CACHE(gtk_paint_extension (style, pixmap, state, shadow, + NULL, gtkWidget, + (const gchar*)part, 0, 0, + rect.width(), + rect.height(), + gap_pos)); + if (m_usePixmapCache) + QPixmapCache::insert(pixmapName, cache); + } + + m_painter->drawPixmap(rect.topLeft(), cache); +} + +void QGtk2Painter::paintOption(GtkWidget *gtkWidget, const QRect &radiorect, + GtkStateType state, GtkShadowType shadow, + GtkStyle *style, const QString &detail) + +{ + QRect rect = m_cliprect.isValid() ? m_cliprect : radiorect; + if (!rect.isValid()) + return; + + QPixmap cache; + QString pixmapName = uniqueName(detail, state, shadow, rect.size()); + GdkRectangle gtkCliprect = {0, 0, rect.width(), rect.height()}; + int xOffset = m_cliprect.isValid() ? radiorect.x() - m_cliprect.x() : 0; + int yOffset = m_cliprect.isValid() ? radiorect.y() - m_cliprect.y() : 0; + if (!m_usePixmapCache || !QPixmapCache::find(pixmapName, &cache)) { + DRAW_TO_CACHE(gtk_paint_option(style, pixmap, + state, shadow, + >kCliprect, + gtkWidget, + detail.toLatin1(), + xOffset, yOffset, + radiorect.width(), + radiorect.height())); + + if (m_usePixmapCache) + QPixmapCache::insert(pixmapName, cache); + } + + m_painter->drawPixmap(rect.topLeft(), cache); +} + +void QGtk2Painter::paintCheckbox(GtkWidget *gtkWidget, const QRect &checkrect, + GtkStateType state, GtkShadowType shadow, + GtkStyle *style, const QString &detail) + +{ + QRect rect = m_cliprect.isValid() ? m_cliprect : checkrect; + if (!rect.isValid()) + return; + + QPixmap cache; + QString pixmapName = uniqueName(detail, state, shadow, rect.size()); + GdkRectangle gtkCliprect = {0, 0, rect.width(), rect.height()}; + int xOffset = m_cliprect.isValid() ? checkrect.x() - m_cliprect.x() : 0; + int yOffset = m_cliprect.isValid() ? checkrect.y() - m_cliprect.y() : 0; + if (!m_usePixmapCache || !QPixmapCache::find(pixmapName, &cache)) { + DRAW_TO_CACHE(gtk_paint_check (style, + pixmap, + state, + shadow, + >kCliprect, + gtkWidget, + detail.toLatin1(), + xOffset, yOffset, + checkrect.width(), + checkrect.height())); + if (m_usePixmapCache) + QPixmapCache::insert(pixmapName, cache); + } + + m_painter->drawPixmap(rect.topLeft(), cache); +} + +QT_END_NAMESPACE + +#endif //!defined(QT_NO_STYLE_GTK) |