src/src/Plugins/Qt/QTMStyle.cpp

   1
   2 /******************************************************************************
   3 * MODULE     : QTMStyle.hpp
   4 * DESCRIPTION: QT Texmacs custom style (for some elements)
   5 * COPYRIGHT  : (C) 2008 Massimiliano Gubinelli
   6 *******************************************************************************
   7 * This software falls under the GNU general public license version 3 or later.
   8 * It comes WITHOUT ANY WARRANTY WHATSOEVER. For details, see the file LICENSE
   9 * in the root directory or <http://www.gnu.org/licenses/gpl-3.0.html>.
  10 ******************************************************************************/
  11
  12 #include "QTMStyle.hpp"
  13 #include <QApplication>
  14 #include <QStyleOptionMenuItem>
  15 #include "tm_ostream.hpp"
  16
  17 /******************************************************************************
  18 * QTMProxyStyle (does not own *style)
  19 ******************************************************************************/
  20
  21 QTMProxyStyle::QTMProxyStyle (QStyle* _base):
  22   QStyle (), base (_base) {}
  23
  24 QTMProxyStyle::~QTMProxyStyle() {
  25   // delete style;
  26 }
  27
  28 inline  QStyle *QTMProxyStyle::baseStyle() const {
  29   return ( base ? base : qApp->style() );
  30 }
  31
  32
  33 void
  34 QTMProxyStyle::drawComplexControl (ComplexControl control, const QStyleOptionComplex* option, QPainter* painter, const QWidget* widget) const {
  35   baseStyle()->drawComplexControl (control, option, painter, widget);
  36 }
  37
  38 void
  39 QTMProxyStyle::drawControl (ControlElement element, const QStyleOption* option, QPainter* painter, const QWidget* widget) const {
  40   baseStyle()->drawControl (element, option, painter, widget);
  41 }
  42
  43 void
  44 QTMProxyStyle::drawItemPixmap (QPainter* painter, const QRect& rect, int alignment, const QPixmap& pixmap) const {
  45   baseStyle()->drawItemPixmap (painter, rect, alignment, pixmap);
  46 }
  47
  48 void
  49 QTMProxyStyle::drawItemText (QPainter* painter, const QRect& rect, int alignment, const QPalette& pal, bool enabled, const QString& text, QPalette::ColorRole textRole) const {
  50   baseStyle()->drawItemText (painter, rect, alignment, pal, enabled, text, textRole);
  51 }
  52
  53 void
  54 QTMProxyStyle::drawPrimitive (PrimitiveElement elem, const QStyleOption* option, QPainter* painter, const QWidget* widget) const {
  55   baseStyle()->drawPrimitive (elem, option, painter, widget);
  56 }
  57
  58 QPixmap
  59 QTMProxyStyle::generatedIconPixmap (QIcon::Mode iconMode, const QPixmap& pixmap, const QStyleOption* option) const {
  60   return baseStyle()->generatedIconPixmap (iconMode, pixmap, option);
  61 }
  62
  63 QStyle::SubControl
  64 QTMProxyStyle::hitTestComplexControl (ComplexControl control, const QStyleOptionComplex* option, const QPoint& pos, const QWidget* widget) const {
  65   return baseStyle()->hitTestComplexControl (control, option, pos, widget);
  66 }
  67
  68 QRect
  69 QTMProxyStyle::itemPixmapRect (const QRect& rect, int alignment, const QPixmap& pixmap) const {
  70   return baseStyle()->itemPixmapRect (rect, alignment, pixmap);
  71 }
  72
  73 QRect
  74 QTMProxyStyle::itemTextRect (const QFontMetrics& metrics, const QRect& rect, int alignment, bool enabled, const QString& text) const {
  75   return baseStyle()->itemTextRect (metrics, rect, alignment, enabled, text);
  76 }
  77
  78 int
  79 QTMProxyStyle::pixelMetric (PixelMetric metric, const QStyleOption* option, const QWidget* widget) const {
  80   return baseStyle()->pixelMetric (metric, option, widget);
  81 }
  82
  83 void
  84 QTMProxyStyle::polish (QWidget* widget) {
  85   baseStyle()->polish (widget);
  86 }
  87
  88 void
  89 QTMProxyStyle::polish (QApplication* app) {
  90   baseStyle()->polish (app);
  91 }
  92
  93 void
  94 QTMProxyStyle::polish (QPalette& pal) {
  95   baseStyle()->polish (pal);
  96 }
  97
  98 QSize
  99 QTMProxyStyle::sizeFromContents (ContentsType type, const QStyleOption* option, const QSize& contentsSize, const QWidget* widget) const {
 100   return baseStyle()->sizeFromContents (type, option, contentsSize, widget);
 101 }
 102
 103 QIcon
 104 QTMProxyStyle::standardIcon (StandardPixmap standardIcon, const QStyleOption* option, const QWidget* widget) const {
 105   return baseStyle()->standardIcon (standardIcon, option, widget);
 106 }
 107
 108 QPalette
 109 QTMProxyStyle::standardPalette () const {
 110   return baseStyle()->standardPalette ();
 111 }
 112
 113 QPixmap
 114 QTMProxyStyle::standardPixmap (StandardPixmap standardPixmap, const QStyleOption* option, const QWidget* widget) const {
 115   return baseStyle()->standardPixmap (standardPixmap, option, widget);
 116 }
 117
 118 int
 119 QTMProxyStyle::styleHint (StyleHint hint, const QStyleOption* option, const QWidget* widget, QStyleHintReturn* returnData) const {
 120   return baseStyle()->styleHint (hint, option, widget, returnData);
 121 }
 122
 123 QRect
 124 QTMProxyStyle::subControlRect (ComplexControl control, const QStyleOptionComplex* option, SubControl subControl, const QWidget* widget) const {
 125   return baseStyle()->subControlRect (control, option, subControl, widget);
 126 }
 127
 128 QRect
 129 QTMProxyStyle::subElementRect (SubElement element, const QStyleOption* option, const QWidget* widget) const {
 130   return baseStyle()->subElementRect (element, option, widget);
 131 }
 132
 133 void
 134 QTMProxyStyle::unpolish (QWidget* widget) {
 135   baseStyle()->unpolish (widget);
 136 }
 137
 138 void
 139 QTMProxyStyle::unpolish (QApplication* app) {
 140   baseStyle()->unpolish (app);
 141 }
 142
 143 /******************************************************************************
 144 * QTMStyle
 145 ******************************************************************************/
 146
 147 void
 148 QTMStyle::drawPrimitive (PrimitiveElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const {
 149   //  if (element == QStyle::PE_FrameStatusBarItem) return;
 150   if (element == QStyle::PE_FrameStatusBar) return;
 151   baseStyle()->drawPrimitive(element,option,painter,widget);
 152 }
 153
 154 int
 155 QTMStyle::pixelMetric (PixelMetric metric, const QStyleOption *opt, const QWidget *widget) const {
 156   switch (metric) {
 157   case PM_ToolBarItemSpacing:
 158     return 0;
 159   default:
 160     return baseStyle()->pixelMetric(metric,opt,widget);
 161   }
 162 }
 163
 164 #if 0
 165 void
 166 QTMStyle::drawControl (ControlElement element, const QStyleOption* option, QPainter* painter, const QWidget* widget) const {
 167   switch (element) {
 168   case CE_MenuItem:
 169     if (const QStyleOptionMenuItem *mi =
 170        qstyleoption_cast<const QStyleOptionMenuItem *> (option)) {
 171       QStyleOptionMenuItem mi2(*mi);
 172       mi2.text= QString ("pippo");
 173       baseStyle()->drawControl (element, &mi2, painter, widget);
 174       break;
 175     }
 176   default:
 177     baseStyle()->drawControl (element, option, painter, widget);
 178   }
 179 }
 180 #endif
 181
 182 int
 183 QTMStyle::styleHint (StyleHint hint, const QStyleOption* option, const QWidget* widget, QStyleHintReturn* returnData) const {
 184   switch (hint) {
 185     case SH_MenuBar_AltKeyNavigation:
 186       return 0;
 187       // Set SH_MenuBar_AltKeyNavigation to false. Typically this would be the job of the style that is selected.
 188       // However: That mechanism seems to be broken with some Qt versions. Furthermore, the Alt key is heavily
 189       // used within TeXmacs, so the menubar navigation gets in the way quite often.
 190     default:
 191       return baseStyle()->styleHint (hint, option, widget, returnData);
 192   }
 193 }
 194
 195 QStyle*
 196 qtmstyle () {
 197   static QStyle* qtmstyle= NULL;
 198   if (!qtmstyle) {
 199     qtmstyle = new QTMStyle ();
 200   }
 201   if (!qtmstyle) {
 202     qtmstyle = qApp->style ();
 203   }
 204   return qtmstyle;
 205 }