src/frontends/gtk/GXpmBtnTbl.C

   1 /**
   2  * \file GXpmBtnTbl.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Huang Ying
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 // Too hard to make concept checks work with this file
  14 #ifdef _GLIBCPP_CONCEPT_CHECKS
  15 #undef _GLIBCPP_CONCEPT_CHECKS
  16 #endif
  17
  18 #include "GXpmBtnTbl.h"
  19
  20 #include <gtkmm.h>
  21
  22 #include <boost/assert.hpp>
  23
  24
  25 void GXpmBtnTbl::GXpmBtn::setXpm(XpmData xpm)
  26 {
  27         Glib::RefPtr<Gdk::Colormap> clrmap = get_colormap();
  28         pixmap_ = Gdk::Pixmap::create_from_xpm(clrmap,
  29                                                mask_,
  30                                                xpm);
  31         Gtk::Image * image = Gtk::manage(new Gtk::Image(pixmap_, mask_));
  32         image->show();
  33         add(*image);
  34 }
  35
  36
  37 void GXpmBtnTbl::GXpmBtn::setXpm(Glib::RefPtr<Gdk::Pixmap> pixmap,
  38                                  Glib::RefPtr<Gdk::Bitmap> mask)
  39 {
  40         pixmap_ = pixmap;
  41         mask_ = mask;
  42         Gtk::Image * image =
  43                 Gtk::manage(new Gtk::Image(pixmap_, mask_));
  44         image->show();
  45         add(*image);
  46 }
  47
  48
  49 GXpmBtnTbl::GXpmBtnTbl(int rows, int cols, XpmData xpms[]) :
  50         Gtk::Table(rows, cols, true), rows_(rows), cols_(cols),
  51         xbm_(0)
  52 {
  53         construct();
  54         setBtnXpm(xpms);
  55 }
  56
  57
  58 GXpmBtnTbl::GXpmBtnTbl(int rows, int cols, XbmData const & xbm) :
  59         Gtk::Table(rows, cols, true), rows_(rows), cols_(cols),
  60         xbm_(&xbm)
  61 {
  62         construct();
  63 }
  64
  65
  66 GXpmBtnTbl::~GXpmBtnTbl()
  67 {
  68 }
  69
  70
  71 void GXpmBtnTbl::construct()
  72 {
  73         BOOST_ASSERT(rows_);
  74         BOOST_ASSERT(cols_);
  75         btns_.reset(new GXpmBtn[rows_ * cols_]);
  76         BOOST_ASSERT(btns_.get());
  77
  78         for (int row = 0; row < rows_; ++row)
  79                 for (int col = 0; col < cols_; ++col) {
  80                         GXpmBtn * btn = &btns_[index(row, col)];
  81                         btn->setRow(row);
  82                         btn->setCol(col);
  83                         btn->signalClicked().connect(signalClicked_);
  84                         btn->show();
  85                         attach(*btn, col, col + 1,  row, row + 1);
  86                 }
  87 }
  88
  89
  90 void GXpmBtnTbl::setBtnXpm(XpmData xpms[])
  91 {
  92         for (int row = 0; row < rows_; ++row)
  93                 for (int col = 0; col < cols_; ++col)
  94                         btns_[index(row, col)].setXpm(xpms[index(row, col)]);
  95 }
  96
  97
  98 void GXpmBtnTbl::setBtnXpm(XbmData const & xbm)
  99 {
 100         Glib::RefPtr<Gdk::Colormap> clrmap = get_colormap();
 101         Gdk::Color fg(const_cast<GdkColor *>(&xbm.fg_));
 102         clrmap->alloc_color(fg);
 103         Glib::RefPtr<Gdk::Window> window = get_window();
 104
 105         Glib::RefPtr<Gdk::Pixmap> pixmap = Gdk::Pixmap::create_from_data(
 106                 window,
 107                 reinterpret_cast<char const * const>(xbm.data_),
 108                 xbm.width_,
 109                 xbm.height_,
 110                 window->get_depth(),
 111                 fg,
 112                 get_style()->get_bg(Gtk::STATE_NORMAL));
 113
 114         Glib::RefPtr<Gdk::Bitmap> mask = Gdk::Bitmap::create(
 115                 window,
 116                 reinterpret_cast<char const * const>(xbm.data_),
 117                 xbm.width_,
 118                 xbm.height_);
 119
 120
 121
 122         Glib::RefPtr<Gdk::GC> gc = Gdk::GC::create(mask);
 123         int const btnWidth = xbm.width_ / cols_;
 124         int const btnHeight = xbm.height_ / rows_;
 125         for (int row = 0; row < rows_; ++row)
 126                 for (int col = 0; col < cols_; ++col) {
 127                                 Glib::RefPtr<Gdk::Pixmap> pixmapBtn =
 128                                         Gdk::Pixmap::create(
 129                                 window,
 130                                 btnWidth,
 131                                 btnHeight,
 132                                 window->get_depth());
 133                         pixmapBtn->draw_drawable(get_style()->get_black_gc(),
 134                                                  pixmap,
 135                                                  col * btnWidth,
 136                                                  row * btnHeight,
 137                                                  0,
 138                                                  0,
 139                                                  btnWidth,
 140                                                  btnHeight);
 141                                 Glib::RefPtr<Gdk::Bitmap> maskBtn =
 142                                         Gdk::Bitmap::create(
 143                                 window,
 144                                 reinterpret_cast<char const * const>(xbm.data_),
 145                                 btnWidth,
 146                                 btnHeight);
 147                         maskBtn->draw_drawable(gc,
 148                                                mask,
 149                                                col * btnWidth,
 150                                                row * btnHeight,
 151                                                0,
 152                                                0,
 153                                                btnWidth,
 154                                                btnHeight);
 155                         btns_[index(row, col)].setXpm(pixmapBtn, maskBtn);
 156                 }
 157 }
 158
 159
 160 void GXpmBtnTbl::on_realize()
 161 {
 162         Gtk::Table::on_realize();
 163         if (!xbm_)
 164                 return;
 165         setBtnXpm(*xbm_);
 166 }
 167
 168
 169 void buttonSetXpm(Gtk::Button * btn, char const ** xpm)
 170 {
 171         Glib::RefPtr<Gdk::Colormap> clrmap = btn->get_colormap();
 172
 173         Glib::RefPtr<Gdk::Bitmap> mask;
 174         Glib::RefPtr<Gdk::Pixmap> pixmap =
 175                 Gdk::Pixmap::create_from_xpm(clrmap, mask, xpm);
 176         Gtk::Image * image = Gtk::manage(new Gtk::Image(pixmap, mask));
 177         image->show();
 178         btn->add(*image);
 179 }